ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

root/jsr166/jsr166/src/test/tck/CompletableFutureTest.java

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.34 by jsr166, Sun Jun 1 21:17:05 2014 UTC vs.
Revision 1.202 by jsr166, Sat Sep 22 22:23:08 2018 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28	+	import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33	+	import java.util.concurrent.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
22	<	import static java.util.concurrent.TimeUnit.SECONDS;
23	<	import java.util.*;
24	<	import java.util.function.Supplier;
25	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
27	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.Test;
45	+	import junit.framework.TestSuite;
46
47		public class CompletableFutureTest extends JSR166TestCase {
48
49		public static void main(String[] args) {
50	<	junit.textui.TestRunner.run(suite());
50	>	main(suite(), args);
51		}
52		public static Test suite() {
53		return new TestSuite(CompletableFutureTest.class);
#	Line 41 | Line 58 | public class CompletableFutureTest exten
58		void checkIncomplete(CompletableFuture<?> f) {
59		assertFalse(f.isDone());
60		assertFalse(f.isCancelled());
61	<	assertTrue(f.toString().contains("[Not completed]"));
61	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
62	>
63	>	Object result = null;
64		try {
65	<	assertNull(f.getNow(null));
65	>	result = f.getNow(null);
66		} catch (Throwable fail) { threadUnexpectedException(fail); }
67	+	assertNull(result);
68	+
69		try {
70	<	f.get(0L, SECONDS);
70	>	f.get(randomExpiredTimeout(), randomTimeUnit());
71		shouldThrow();
72		}
73		catch (TimeoutException success) {}
74		catch (Throwable fail) { threadUnexpectedException(fail); }
75		}
76
77	<	<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
78	<	try {
79	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
80	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
81	<	try {
82	<	assertEquals(value, f.join());
83	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
63	<	try {
64	<	assertEquals(value, f.getNow(null));
65	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
77	>	<T> void checkCompletedNormally(CompletableFuture<T> f, T expectedValue) {
78	>	checkTimedGet(f, expectedValue);
79	>
80	>	assertEquals(expectedValue, f.join());
81	>	assertEquals(expectedValue, f.getNow(null));
82	>
83	>	T result = null;
84		try {
85	<	assertEquals(value, f.get());
85	>	result = f.get();
86		} catch (Throwable fail) { threadUnexpectedException(fail); }
87	+	assertEquals(expectedValue, result);
88	+
89		assertTrue(f.isDone());
90		assertFalse(f.isCancelled());
91		assertFalse(f.isCompletedExceptionally());
92	<	assertTrue(f.toString().contains("[Completed normally]"));
92	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
93		}
94
95	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
96	<	try {
97	<	f.get(LONG_DELAY_MS, MILLISECONDS);
98	<	shouldThrow();
99	<	} catch (ExecutionException success) {
100	<	assertTrue(success.getCause() instanceof CFException);
101	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
102	<	try {
83	<	f.join();
84	<	shouldThrow();
85	<	} catch (CompletionException success) {
86	<	assertTrue(success.getCause() instanceof CFException);
87	<	}
88	<	try {
89	<	f.getNow(null);
90	<	shouldThrow();
91	<	} catch (CompletionException success) {
92	<	assertTrue(success.getCause() instanceof CFException);
93	<	}
94	<	try {
95	<	f.get();
96	<	shouldThrow();
97	<	} catch (ExecutionException success) {
98	<	assertTrue(success.getCause() instanceof CFException);
99	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
100	<	assertTrue(f.isDone());
101	<	assertFalse(f.isCancelled());
102	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
95	>	/**
96	>	* Returns the "raw" internal exceptional completion of f,
97	>	* without any additional wrapping with CompletionException.
98	>	*/
99	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
100	>	// handle (and whenComplete and exceptionally) can distinguish
101	>	// between "direct" and "wrapped" exceptional completion
102	>	return f.handle((u, t) -> t).join();
103		}
104
105	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
106	<	CFException ex) {
105	>	void checkCompletedExceptionally(CompletableFuture<?> f,
106	>	boolean wrapped,
107	>	Consumer<Throwable> checker) {
108	>	Throwable cause = exceptionalCompletion(f);
109	>	if (wrapped) {
110	>	assertTrue(cause instanceof CompletionException);
111	>	cause = cause.getCause();
112	>	}
113	>	checker.accept(cause);
114	>
115	>	long startTime = System.nanoTime();
116		try {
117		f.get(LONG_DELAY_MS, MILLISECONDS);
118		shouldThrow();
119		} catch (ExecutionException success) {
120	<	assertSame(ex, success.getCause());
120	>	assertSame(cause, success.getCause());
121		} catch (Throwable fail) { threadUnexpectedException(fail); }
122	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
123	+
124		try {
125		f.join();
126		shouldThrow();
127		} catch (CompletionException success) {
128	<	assertSame(ex, success.getCause());
129	<	}
128	>	assertSame(cause, success.getCause());
129	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
130	>
131		try {
132		f.getNow(null);
133		shouldThrow();
134		} catch (CompletionException success) {
135	<	assertSame(ex, success.getCause());
136	<	}
135	>	assertSame(cause, success.getCause());
136	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
137	>
138		try {
139		f.get();
140		shouldThrow();
141		} catch (ExecutionException success) {
142	<	assertSame(ex, success.getCause());
142	>	assertSame(cause, success.getCause());
143		} catch (Throwable fail) { threadUnexpectedException(fail); }
144	<	assertTrue(f.isDone());
144	>
145		assertFalse(f.isCancelled());
146	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
146	>	assertTrue(f.isDone());
147	>	assertTrue(f.isCompletedExceptionally());
148	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
149	>	}
150	>
151	>	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
152	>	checkCompletedExceptionally(f, true,
153	>	t -> assertTrue(t instanceof CFException));
154	>	}
155	>
156	>	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
157	>	checkCompletedExceptionally(f, true,
158	>	t -> assertTrue(t instanceof CancellationException));
159	>	}
160	>
161	>	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
162	>	checkCompletedExceptionally(f, false,
163	>	t -> assertTrue(t instanceof TimeoutException));
164	>	}
165	>
166	>	void checkCompletedWithWrappedException(CompletableFuture<?> f,
167	>	Throwable ex) {
168	>	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
169	>	}
170	>
171	>	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
172	>	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
173		}
174
175		void checkCancelled(CompletableFuture<?> f) {
176	+	long startTime = System.nanoTime();
177		try {
178		f.get(LONG_DELAY_MS, MILLISECONDS);
179		shouldThrow();
180		} catch (CancellationException success) {
181		} catch (Throwable fail) { threadUnexpectedException(fail); }
182	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
183	+
184		try {
185		f.join();
186		shouldThrow();
#	Line 152 | Line 194 | public class CompletableFutureTest exten
194		shouldThrow();
195		} catch (CancellationException success) {
196		} catch (Throwable fail) { threadUnexpectedException(fail); }
155	–	assertTrue(f.isDone());
156	–	assertTrue(f.isCompletedExceptionally());
157	–	assertTrue(f.isCancelled());
158	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
159	–	}
197
198	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
199	<	try {
163	<	f.get(LONG_DELAY_MS, MILLISECONDS);
164	<	shouldThrow();
165	<	} catch (ExecutionException success) {
166	<	assertTrue(success.getCause() instanceof CancellationException);
167	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
168	<	try {
169	<	f.join();
170	<	shouldThrow();
171	<	} catch (CompletionException success) {
172	<	assertTrue(success.getCause() instanceof CancellationException);
173	<	}
174	<	try {
175	<	f.getNow(null);
176	<	shouldThrow();
177	<	} catch (CompletionException success) {
178	<	assertTrue(success.getCause() instanceof CancellationException);
179	<	}
180	<	try {
181	<	f.get();
182	<	shouldThrow();
183	<	} catch (ExecutionException success) {
184	<	assertTrue(success.getCause() instanceof CancellationException);
185	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
198	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
199	>
200		assertTrue(f.isDone());
187	–	assertFalse(f.isCancelled());
201		assertTrue(f.isCompletedExceptionally());
202	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
202	>	assertTrue(f.isCancelled());
203	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
204		}
205
206		/**
#	Line 203 | Line 217 | public class CompletableFutureTest exten
217		* isCancelled, join, get, and getNow
218		*/
219		public void testComplete() {
220	+	for (Integer v1 : new Integer[] { 1, null })
221	+	{
222		CompletableFuture<Integer> f = new CompletableFuture<>();
223		checkIncomplete(f);
224	<	f.complete(one);
225	<	checkCompletedNormally(f, one);
226	<	}
224	>	assertTrue(f.complete(v1));
225	>	assertFalse(f.complete(v1));
226	>	checkCompletedNormally(f, v1);
227	>	}}
228
229		/**
230		* completeExceptionally completes exceptionally, as indicated by
#	Line 215 | Line 232 | public class CompletableFutureTest exten
232		*/
233		public void testCompleteExceptionally() {
234		CompletableFuture<Integer> f = new CompletableFuture<>();
235	+	CFException ex = new CFException();
236		checkIncomplete(f);
237	<	f.completeExceptionally(new CFException());
238	<	checkCompletedWithWrappedCFException(f);
237	>	f.completeExceptionally(ex);
238	>	checkCompletedExceptionally(f, ex);
239		}
240
241		/**
#	Line 225 | Line 243 | public class CompletableFutureTest exten
243		* methods isDone, isCancelled, join, get, and getNow
244		*/
245		public void testCancel() {
246	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
247	+	{
248		CompletableFuture<Integer> f = new CompletableFuture<>();
249		checkIncomplete(f);
250	<	assertTrue(f.cancel(true));
250	>	assertTrue(f.cancel(mayInterruptIfRunning));
251	>	assertTrue(f.cancel(mayInterruptIfRunning));
252	>	assertTrue(f.cancel(!mayInterruptIfRunning));
253		checkCancelled(f);
254	<	}
254	>	}}
255
256		/**
257		* obtrudeValue forces completion with given value
#	Line 237 | Line 259 | public class CompletableFutureTest exten
259		public void testObtrudeValue() {
260		CompletableFuture<Integer> f = new CompletableFuture<>();
261		checkIncomplete(f);
262	<	f.complete(one);
262	>	assertTrue(f.complete(one));
263		checkCompletedNormally(f, one);
264		f.obtrudeValue(three);
265		checkCompletedNormally(f, three);
#	Line 246 | Line 268 | public class CompletableFutureTest exten
268		f = new CompletableFuture<>();
269		f.obtrudeValue(three);
270		checkCompletedNormally(f, three);
271	+	f.obtrudeValue(null);
272	+	checkCompletedNormally(f, null);
273		f = new CompletableFuture<>();
274		f.completeExceptionally(new CFException());
275		f.obtrudeValue(four);
#	Line 256 | Line 280 | public class CompletableFutureTest exten
280		* obtrudeException forces completion with given exception
281		*/
282		public void testObtrudeException() {
283	<	CompletableFuture<Integer> f = new CompletableFuture<>();
284	<	checkIncomplete(f);
285	<	f.complete(one);
286	<	checkCompletedNormally(f, one);
287	<	f.obtrudeException(new CFException());
288	<	checkCompletedWithWrappedCFException(f);
283	>	for (Integer v1 : new Integer[] { 1, null })
284	>	{
285	>	CFException ex;
286	>	CompletableFuture<Integer> f;
287	>
288	>	f = new CompletableFuture<>();
289	>	assertTrue(f.complete(v1));
290	>	for (int i = 0; i < 2; i++) {
291	>	f.obtrudeException(ex = new CFException());
292	>	checkCompletedExceptionally(f, ex);
293	>	}
294	>
295		f = new CompletableFuture<>();
296	<	f.obtrudeException(new CFException());
297	<	checkCompletedWithWrappedCFException(f);
296	>	for (int i = 0; i < 2; i++) {
297	>	f.obtrudeException(ex = new CFException());
298	>	checkCompletedExceptionally(f, ex);
299	>	}
300	>
301		f = new CompletableFuture<>();
302		f.completeExceptionally(new CFException());
303	<	f.obtrudeValue(four);
304	<	checkCompletedNormally(f, four);
305	<	f.obtrudeException(new CFException());
306	<	checkCompletedWithWrappedCFException(f);
307	<	}
303	>	f.obtrudeValue(v1);
304	>	checkCompletedNormally(f, v1);
305	>	f.obtrudeException(ex = new CFException());
306	>	checkCompletedExceptionally(f, ex);
307	>	f.completeExceptionally(new CFException());
308	>	checkCompletedExceptionally(f, ex);
309	>	assertFalse(f.complete(v1));
310	>	checkCompletedExceptionally(f, ex);
311	>	}}
312
313		/**
314		* getNumberOfDependents returns number of dependent tasks
315		*/
316		public void testGetNumberOfDependents() {
317	+	for (ExecutionMode m : ExecutionMode.values())
318	+	for (Integer v1 : new Integer[] { 1, null })
319	+	{
320		CompletableFuture<Integer> f = new CompletableFuture<>();
321	<	assertEquals(f.getNumberOfDependents(), 0);
322	<	CompletableFuture g = f.thenRun(new Noop());
323	<	assertEquals(f.getNumberOfDependents(), 1);
324	<	assertEquals(g.getNumberOfDependents(), 0);
325	<	CompletableFuture h = f.thenRun(new Noop());
326	<	assertEquals(f.getNumberOfDependents(), 2);
327	<	f.complete(1);
321	>	assertEquals(0, f.getNumberOfDependents());
322	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
323	>	assertEquals(1, f.getNumberOfDependents());
324	>	assertEquals(0, g.getNumberOfDependents());
325	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
326	>	assertEquals(2, f.getNumberOfDependents());
327	>	assertEquals(0, h.getNumberOfDependents());
328	>	assertTrue(f.complete(v1));
329		checkCompletedNormally(g, null);
330	<	assertEquals(f.getNumberOfDependents(), 0);
331	<	assertEquals(g.getNumberOfDependents(), 0);
332	<	}
330	>	checkCompletedNormally(h, null);
331	>	assertEquals(0, f.getNumberOfDependents());
332	>	assertEquals(0, g.getNumberOfDependents());
333	>	assertEquals(0, h.getNumberOfDependents());
334	>	}}
335
336		/**
337		* toString indicates current completion state
338		*/
339	<	public void testToString() {
340	<	CompletableFuture<String> f;
341	<
342	<	f = new CompletableFuture<String>();
343	<	assertTrue(f.toString().contains("[Not completed]"));
344	<
345	<	f.complete("foo");
346	<	assertTrue(f.toString().contains("[Completed normally]"));
347	<
348	<	f = new CompletableFuture<String>();
349	<	f.completeExceptionally(new IndexOutOfBoundsException());
350	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
339	>	public void testToString_incomplete() {
340	>	CompletableFuture<String> f = new CompletableFuture<>();
341	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
342	>	if (testImplementationDetails)
343	>	assertEquals(identityString(f) + "[Not completed]",
344	>	f.toString());
345	>	}
346	>
347	>	public void testToString_normal() {
348	>	CompletableFuture<String> f = new CompletableFuture<>();
349	>	assertTrue(f.complete("foo"));
350	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
351	>	if (testImplementationDetails)
352	>	assertEquals(identityString(f) + "[Completed normally]",
353	>	f.toString());
354	>	}
355	>
356	>	public void testToString_exception() {
357	>	CompletableFuture<String> f = new CompletableFuture<>();
358	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
359	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
360	>	if (testImplementationDetails)
361	>	assertTrue(f.toString().startsWith(
362	>	identityString(f) + "[Completed exceptionally: "));
363	>	}
364	>
365	>	public void testToString_cancelled() {
366	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
367	>	CompletableFuture<String> f = new CompletableFuture<>();
368	>	assertTrue(f.cancel(mayInterruptIfRunning));
369	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
370	>	if (testImplementationDetails)
371	>	assertTrue(f.toString().startsWith(
372	>	identityString(f) + "[Completed exceptionally: "));
373	>	}
374		}
375
376		/**
#	Line 315 | Line 381 | public class CompletableFutureTest exten
381		checkCompletedNormally(f, "test");
382		}
383
384	<	// Choose non-commutative actions for better coverage
384	>	abstract static class CheckedAction {
385	>	int invocationCount = 0;
386	>	final ExecutionMode m;
387	>	CheckedAction(ExecutionMode m) { this.m = m; }
388	>	void invoked() {
389	>	m.checkExecutionMode();
390	>	assertEquals(0, invocationCount++);
391	>	}
392	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
393	>	void assertInvoked() { assertEquals(1, invocationCount); }
394	>	}
395
396	<	static final Supplier<Integer> supplyOne =
397	<	() -> Integer.valueOf(1);
398	<	static final Function<Integer, Integer> inc =
399	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
400	<	static final BiFunction<Integer, Integer, Integer> subtract =
401	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
402	<	static final class IncAction implements Consumer<Integer> {
327	<	int value;
328	<	public void accept(Integer x) { value = x.intValue() + 1; }
396	>	abstract static class CheckedIntegerAction extends CheckedAction {
397	>	Integer value;
398	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
399	>	void assertValue(Integer expected) {
400	>	assertInvoked();
401	>	assertEquals(expected, value);
402	>	}
403		}
404	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
405	<	int value;
404	>
405	>	static class IntegerSupplier extends CheckedAction
406	>	implements Supplier<Integer>
407	>	{
408	>	final Integer value;
409	>	IntegerSupplier(ExecutionMode m, Integer value) {
410	>	super(m);
411	>	this.value = value;
412	>	}
413	>	public Integer get() {
414	>	invoked();
415	>	return value;
416	>	}
417	>	}
418	>
419	>	// A function that handles and produces null values as well.
420	>	static Integer inc(Integer x) {
421	>	return (x == null) ? null : x + 1;
422	>	}
423	>
424	>	static class NoopConsumer extends CheckedIntegerAction
425	>	implements Consumer<Integer>
426	>	{
427	>	NoopConsumer(ExecutionMode m) { super(m); }
428	>	public void accept(Integer x) {
429	>	invoked();
430	>	value = x;
431	>	}
432	>	}
433	>
434	>	static class IncFunction extends CheckedIntegerAction
435	>	implements Function<Integer,Integer>
436	>	{
437	>	IncFunction(ExecutionMode m) { super(m); }
438	>	public Integer apply(Integer x) {
439	>	invoked();
440	>	return value = inc(x);
441	>	}
442	>	}
443	>
444	>	// Choose non-commutative actions for better coverage
445	>	// A non-commutative function that handles and produces null values as well.
446	>	static Integer subtract(Integer x, Integer y) {
447	>	return (x == null && y == null) ? null :
448	>	((x == null) ? 42 : x.intValue())
449	>	- ((y == null) ? 99 : y.intValue());
450	>	}
451	>
452	>	static class SubtractAction extends CheckedIntegerAction
453	>	implements BiConsumer<Integer, Integer>
454	>	{
455	>	SubtractAction(ExecutionMode m) { super(m); }
456		public void accept(Integer x, Integer y) {
457	<	value = x.intValue() - y.intValue();
457	>	invoked();
458	>	value = subtract(x, y);
459		}
460		}
461	<	static final class Noop implements Runnable {
462	<	boolean ran;
463	<	public void run() { ran = true; }
461	>
462	>	static class SubtractFunction extends CheckedIntegerAction
463	>	implements BiFunction<Integer, Integer, Integer>
464	>	{
465	>	SubtractFunction(ExecutionMode m) { super(m); }
466	>	public Integer apply(Integer x, Integer y) {
467	>	invoked();
468	>	return value = subtract(x, y);
469	>	}
470	>	}
471	>
472	>	static class Noop extends CheckedAction implements Runnable {
473	>	Noop(ExecutionMode m) { super(m); }
474	>	public void run() {
475	>	invoked();
476	>	}
477		}
478
479	<	static final class FailingSupplier implements Supplier<Integer> {
480	<	boolean ran;
481	<	public Integer get() { ran = true; throw new CFException(); }
479	>	static class FailingSupplier extends CheckedAction
480	>	implements Supplier<Integer>
481	>	{
482	>	final CFException ex;
483	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
484	>	public Integer get() {
485	>	invoked();
486	>	throw ex;
487	>	}
488		}
489	<	static final class FailingConsumer implements Consumer<Integer> {
490	<	boolean ran;
491	<	public void accept(Integer x) { ran = true; throw new CFException(); }
489	>
490	>	static class FailingConsumer extends CheckedIntegerAction
491	>	implements Consumer<Integer>
492	>	{
493	>	final CFException ex;
494	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
495	>	public void accept(Integer x) {
496	>	invoked();
497	>	value = x;
498	>	throw ex;
499	>	}
500		}
501	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
502	<	boolean ran;
503	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
501	>
502	>	static class FailingBiConsumer extends CheckedIntegerAction
503	>	implements BiConsumer<Integer, Integer>
504	>	{
505	>	final CFException ex;
506	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
507	>	public void accept(Integer x, Integer y) {
508	>	invoked();
509	>	value = subtract(x, y);
510	>	throw ex;
511	>	}
512		}
513	<	static final class FailingFunction implements Function<Integer, Integer> {
514	<	boolean ran;
515	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
513	>
514	>	static class FailingFunction extends CheckedIntegerAction
515	>	implements Function<Integer, Integer>
516	>	{
517	>	final CFException ex;
518	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
519	>	public Integer apply(Integer x) {
520	>	invoked();
521	>	value = x;
522	>	throw ex;
523	>	}
524		}
525	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
526	<	boolean ran;
527	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
525	>
526	>	static class FailingBiFunction extends CheckedIntegerAction
527	>	implements BiFunction<Integer, Integer, Integer>
528	>	{
529	>	final CFException ex;
530	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
531	>	public Integer apply(Integer x, Integer y) {
532	>	invoked();
533	>	value = subtract(x, y);
534	>	throw ex;
535	>	}
536		}
537	<	static final class FailingNoop implements Runnable {
538	<	boolean ran;
539	<	public void run() { ran = true; throw new CFException(); }
537	>
538	>	static class FailingRunnable extends CheckedAction implements Runnable {
539	>	final CFException ex;
540	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
541	>	public void run() {
542	>	invoked();
543	>	throw ex;
544	>	}
545		}
546
547	<	static final class CompletableFutureInc
548	<	implements Function<Integer, CompletableFuture<Integer>> {
549	<	boolean ran;
547	>	static class CompletableFutureInc extends CheckedIntegerAction
548	>	implements Function<Integer, CompletableFuture<Integer>>
549	>	{
550	>	CompletableFutureInc(ExecutionMode m) { super(m); }
551		public CompletableFuture<Integer> apply(Integer x) {
552	<	ran = true;
552	>	invoked();
553	>	value = x;
554		CompletableFuture<Integer> f = new CompletableFuture<>();
555	<	f.complete(Integer.valueOf(x.intValue() + 1));
555	>	assertTrue(f.complete(inc(x)));
556		return f;
557		}
558		}
559
560	<	static final class FailingCompletableFutureFunction
561	<	implements Function<Integer, CompletableFuture<Integer>> {
562	<	boolean ran;
563	<	public CompletableFuture<Integer> apply(Integer x) {
564	<	ran = true; throw new CFException();
560	>	static class FailingExceptionalCompletableFutureFunction extends CheckedAction
561	>	implements Function<Throwable, CompletableFuture<Integer>>
562	>	{
563	>	final CFException ex;
564	>	FailingExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
565	>	public CompletableFuture<Integer> apply(Throwable x) {
566	>	invoked();
567	>	throw ex;
568		}
569		}
570
571	<	// Used for explicit executor tests
572	<	static final class ThreadExecutor implements Executor {
573	<	AtomicInteger count = new AtomicInteger(0);
574	<
575	<	public void execute(Runnable r) {
576	<	count.getAndIncrement();
577	<	new Thread(r).start();
571	>	static class ExceptionalCompletableFutureFunction extends CheckedAction
572	>	implements Function<Throwable, CompletionStage<Integer>> {
573	>	final Integer value = 3;
574	>	ExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); }
575	>	public CompletionStage<Integer> apply(Throwable x) {
576	>	invoked();
577	>	return CompletableFuture.completedFuture(value);
578		}
579		}
580
581	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
582	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
581	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
582	>	implements Function<Integer, CompletableFuture<Integer>>
583	>	{
584	>	final CFException ex;
585	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
586	>	public CompletableFuture<Integer> apply(Integer x) {
587	>	invoked();
588	>	value = x;
589	>	throw ex;
590	>	}
591		}
592
593	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
594	<	boolean ran;
595	<	public Integer apply(Integer x, Throwable t) {
596	<	ran = true;
597	<	return (t == null) ? two : three;
593	>	static class CountingRejectingExecutor implements Executor {
594	>	final RejectedExecutionException ex = new RejectedExecutionException();
595	>	final AtomicInteger count = new AtomicInteger(0);
596	>	public void execute(Runnable r) {
597	>	count.getAndIncrement();
598	>	throw ex;
599		}
600		}
601
602	<	/**
603	<	* exceptionally action completes with function value on source
604	<	* exception; otherwise with source value
605	<	*/
606	<	public void testExceptionally() {
607	<	CompletableFuture<Integer> f = new CompletableFuture<>();
608	<	ExceptionToInteger r = new ExceptionToInteger();
414	<	CompletableFuture<Integer> g = f.exceptionally(r);
415	<	f.completeExceptionally(new CFException());
416	<	checkCompletedNormally(g, three);
602	>	// Used for explicit executor tests
603	>	static final class ThreadExecutor implements Executor {
604	>	final AtomicInteger count = new AtomicInteger(0);
605	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
606	>	static boolean startedCurrentThread() {
607	>	return Thread.currentThread().getThreadGroup() == tg;
608	>	}
609
610	<	f = new CompletableFuture<>();
611	<	r = new ExceptionToInteger();
612	<	g = f.exceptionally(r);
613	<	f.complete(one);
422	<	checkCompletedNormally(g, one);
610	>	public void execute(Runnable r) {
611	>	count.getAndIncrement();
612	>	new Thread(tg, r).start();
613	>	}
614		}
615
616	+	static final boolean defaultExecutorIsCommonPool
617	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
618	+
619		/**
620	<	* handle action completes normally with function value on either
621	<	* normal or exceptional completion of source
620	>	* Permits the testing of parallel code for the 3 different
621	>	* execution modes without copy/pasting all the test methods.
622		*/
623	<	public void testHandle() {
624	<	CompletableFuture<Integer> f, g;
625	<	IntegerHandler r;
623	>	enum ExecutionMode {
624	>	SYNC {
625	>	public void checkExecutionMode() {
626	>	assertFalse(ThreadExecutor.startedCurrentThread());
627	>	assertNull(ForkJoinTask.getPool());
628	>	}
629	>	public CompletableFuture<Void> runAsync(Runnable a) {
630	>	throw new UnsupportedOperationException();
631	>	}
632	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
633	>	throw new UnsupportedOperationException();
634	>	}
635	>	public <T> CompletableFuture<Void> thenRun
636	>	(CompletableFuture<T> f, Runnable a) {
637	>	return f.thenRun(a);
638	>	}
639	>	public <T> CompletableFuture<Void> thenAccept
640	>	(CompletableFuture<T> f, Consumer<? super T> a) {
641	>	return f.thenAccept(a);
642	>	}
643	>	public <T,U> CompletableFuture<U> thenApply
644	>	(CompletableFuture<T> f, Function<? super T,U> a) {
645	>	return f.thenApply(a);
646	>	}
647	>	public <T,U> CompletableFuture<U> thenCompose
648	>	(CompletableFuture<T> f,
649	>	Function<? super T,? extends CompletionStage<U>> a) {
650	>	return f.thenCompose(a);
651	>	}
652	>	public <T,U> CompletableFuture<U> handle
653	>	(CompletableFuture<T> f,
654	>	BiFunction<? super T,Throwable,? extends U> a) {
655	>	return f.handle(a);
656	>	}
657	>	public <T> CompletableFuture<T> whenComplete
658	>	(CompletableFuture<T> f,
659	>	BiConsumer<? super T,? super Throwable> a) {
660	>	return f.whenComplete(a);
661	>	}
662	>	public <T,U> CompletableFuture<Void> runAfterBoth
663	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
664	>	return f.runAfterBoth(g, a);
665	>	}
666	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
667	>	(CompletableFuture<T> f,
668	>	CompletionStage<? extends U> g,
669	>	BiConsumer<? super T,? super U> a) {
670	>	return f.thenAcceptBoth(g, a);
671	>	}
672	>	public <T,U,V> CompletableFuture<V> thenCombine
673	>	(CompletableFuture<T> f,
674	>	CompletionStage<? extends U> g,
675	>	BiFunction<? super T,? super U,? extends V> a) {
676	>	return f.thenCombine(g, a);
677	>	}
678	>	public <T> CompletableFuture<Void> runAfterEither
679	>	(CompletableFuture<T> f,
680	>	CompletionStage<?> g,
681	>	java.lang.Runnable a) {
682	>	return f.runAfterEither(g, a);
683	>	}
684	>	public <T> CompletableFuture<Void> acceptEither
685	>	(CompletableFuture<T> f,
686	>	CompletionStage<? extends T> g,
687	>	Consumer<? super T> a) {
688	>	return f.acceptEither(g, a);
689	>	}
690	>	public <T,U> CompletableFuture<U> applyToEither
691	>	(CompletableFuture<T> f,
692	>	CompletionStage<? extends T> g,
693	>	Function<? super T,U> a) {
694	>	return f.applyToEither(g, a);
695	>	}
696	>	public <T> CompletableFuture<T> exceptionally
697	>	(CompletableFuture<T> f,
698	>	Function<Throwable, ? extends T> fn) {
699	>	return f.exceptionally(fn);
700	>	}
701	>	public <T> CompletableFuture<T> exceptionallyCompose
702	>	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
703	>	return f.exceptionallyCompose(fn);
704	>	}
705	>	},
706	>	ASYNC {
707	>	public void checkExecutionMode() {
708	>	assertEquals(defaultExecutorIsCommonPool,
709	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
710	>	}
711	>	public CompletableFuture<Void> runAsync(Runnable a) {
712	>	return CompletableFuture.runAsync(a);
713	>	}
714	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
715	>	return CompletableFuture.supplyAsync(a);
716	>	}
717	>	public <T> CompletableFuture<Void> thenRun
718	>	(CompletableFuture<T> f, Runnable a) {
719	>	return f.thenRunAsync(a);
720	>	}
721	>	public <T> CompletableFuture<Void> thenAccept
722	>	(CompletableFuture<T> f, Consumer<? super T> a) {
723	>	return f.thenAcceptAsync(a);
724	>	}
725	>	public <T,U> CompletableFuture<U> thenApply
726	>	(CompletableFuture<T> f, Function<? super T,U> a) {
727	>	return f.thenApplyAsync(a);
728	>	}
729	>	public <T,U> CompletableFuture<U> thenCompose
730	>	(CompletableFuture<T> f,
731	>	Function<? super T,? extends CompletionStage<U>> a) {
732	>	return f.thenComposeAsync(a);
733	>	}
734	>	public <T,U> CompletableFuture<U> handle
735	>	(CompletableFuture<T> f,
736	>	BiFunction<? super T,Throwable,? extends U> a) {
737	>	return f.handleAsync(a);
738	>	}
739	>	public <T> CompletableFuture<T> whenComplete
740	>	(CompletableFuture<T> f,
741	>	BiConsumer<? super T,? super Throwable> a) {
742	>	return f.whenCompleteAsync(a);
743	>	}
744	>	public <T,U> CompletableFuture<Void> runAfterBoth
745	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
746	>	return f.runAfterBothAsync(g, a);
747	>	}
748	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
749	>	(CompletableFuture<T> f,
750	>	CompletionStage<? extends U> g,
751	>	BiConsumer<? super T,? super U> a) {
752	>	return f.thenAcceptBothAsync(g, a);
753	>	}
754	>	public <T,U,V> CompletableFuture<V> thenCombine
755	>	(CompletableFuture<T> f,
756	>	CompletionStage<? extends U> g,
757	>	BiFunction<? super T,? super U,? extends V> a) {
758	>	return f.thenCombineAsync(g, a);
759	>	}
760	>	public <T> CompletableFuture<Void> runAfterEither
761	>	(CompletableFuture<T> f,
762	>	CompletionStage<?> g,
763	>	java.lang.Runnable a) {
764	>	return f.runAfterEitherAsync(g, a);
765	>	}
766	>	public <T> CompletableFuture<Void> acceptEither
767	>	(CompletableFuture<T> f,
768	>	CompletionStage<? extends T> g,
769	>	Consumer<? super T> a) {
770	>	return f.acceptEitherAsync(g, a);
771	>	}
772	>	public <T,U> CompletableFuture<U> applyToEither
773	>	(CompletableFuture<T> f,
774	>	CompletionStage<? extends T> g,
775	>	Function<? super T,U> a) {
776	>	return f.applyToEitherAsync(g, a);
777	>	}
778	>	public <T> CompletableFuture<T> exceptionally
779	>	(CompletableFuture<T> f,
780	>	Function<Throwable, ? extends T> fn) {
781	>	return f.exceptionallyAsync(fn);
782	>	}
783
784	<	f = new CompletableFuture<>();
785	<	f.completeExceptionally(new CFException());
786	<	g = f.handle(r = new IntegerHandler());
787	<	assertTrue(r.ran);
437	<	checkCompletedNormally(g, three);
784	>	public <T> CompletableFuture<T> exceptionallyCompose
785	>	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
786	>	return f.exceptionallyComposeAsync(fn);
787	>	}
788
789	<	f = new CompletableFuture<>();
440	<	g = f.handle(r = new IntegerHandler());
441	<	assertFalse(r.ran);
442	<	f.completeExceptionally(new CFException());
443	<	checkCompletedNormally(g, three);
444	<	assertTrue(r.ran);
789	>	},
790
791	<	f = new CompletableFuture<>();
792	<	f.complete(one);
793	<	g = f.handle(r = new IntegerHandler());
794	<	assertTrue(r.ran);
795	<	checkCompletedNormally(g, two);
791	>	EXECUTOR {
792	>	public void checkExecutionMode() {
793	>	assertTrue(ThreadExecutor.startedCurrentThread());
794	>	}
795	>	public CompletableFuture<Void> runAsync(Runnable a) {
796	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
797	>	}
798	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
799	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
800	>	}
801	>	public <T> CompletableFuture<Void> thenRun
802	>	(CompletableFuture<T> f, Runnable a) {
803	>	return f.thenRunAsync(a, new ThreadExecutor());
804	>	}
805	>	public <T> CompletableFuture<Void> thenAccept
806	>	(CompletableFuture<T> f, Consumer<? super T> a) {
807	>	return f.thenAcceptAsync(a, new ThreadExecutor());
808	>	}
809	>	public <T,U> CompletableFuture<U> thenApply
810	>	(CompletableFuture<T> f, Function<? super T,U> a) {
811	>	return f.thenApplyAsync(a, new ThreadExecutor());
812	>	}
813	>	public <T,U> CompletableFuture<U> thenCompose
814	>	(CompletableFuture<T> f,
815	>	Function<? super T,? extends CompletionStage<U>> a) {
816	>	return f.thenComposeAsync(a, new ThreadExecutor());
817	>	}
818	>	public <T,U> CompletableFuture<U> handle
819	>	(CompletableFuture<T> f,
820	>	BiFunction<? super T,Throwable,? extends U> a) {
821	>	return f.handleAsync(a, new ThreadExecutor());
822	>	}
823	>	public <T> CompletableFuture<T> whenComplete
824	>	(CompletableFuture<T> f,
825	>	BiConsumer<? super T,? super Throwable> a) {
826	>	return f.whenCompleteAsync(a, new ThreadExecutor());
827	>	}
828	>	public <T,U> CompletableFuture<Void> runAfterBoth
829	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
830	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
831	>	}
832	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
833	>	(CompletableFuture<T> f,
834	>	CompletionStage<? extends U> g,
835	>	BiConsumer<? super T,? super U> a) {
836	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
837	>	}
838	>	public <T,U,V> CompletableFuture<V> thenCombine
839	>	(CompletableFuture<T> f,
840	>	CompletionStage<? extends U> g,
841	>	BiFunction<? super T,? super U,? extends V> a) {
842	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
843	>	}
844	>	public <T> CompletableFuture<Void> runAfterEither
845	>	(CompletableFuture<T> f,
846	>	CompletionStage<?> g,
847	>	java.lang.Runnable a) {
848	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
849	>	}
850	>	public <T> CompletableFuture<Void> acceptEither
851	>	(CompletableFuture<T> f,
852	>	CompletionStage<? extends T> g,
853	>	Consumer<? super T> a) {
854	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
855	>	}
856	>	public <T,U> CompletableFuture<U> applyToEither
857	>	(CompletableFuture<T> f,
858	>	CompletionStage<? extends T> g,
859	>	Function<? super T,U> a) {
860	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
861	>	}
862	>	public <T> CompletableFuture<T> exceptionally
863	>	(CompletableFuture<T> f,
864	>	Function<Throwable, ? extends T> fn) {
865	>	return f.exceptionallyAsync(fn, new ThreadExecutor());
866	>	}
867	>	public <T> CompletableFuture<T> exceptionallyCompose
868	>	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
869	>	return f.exceptionallyComposeAsync(fn, new ThreadExecutor());
870	>	}
871
872	<	f = new CompletableFuture<>();
873	<	g = f.handle(r = new IntegerHandler());
874	<	assertFalse(r.ran);
875	<	f.complete(one);
876	<	assertTrue(r.ran);
877	<	checkCompletedNormally(g, two);
872	>	};
873	>
874	>	public abstract void checkExecutionMode();
875	>	public abstract CompletableFuture<Void> runAsync(Runnable a);
876	>	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
877	>	public abstract <T> CompletableFuture<Void> thenRun
878	>	(CompletableFuture<T> f, Runnable a);
879	>	public abstract <T> CompletableFuture<Void> thenAccept
880	>	(CompletableFuture<T> f, Consumer<? super T> a);
881	>	public abstract <T,U> CompletableFuture<U> thenApply
882	>	(CompletableFuture<T> f, Function<? super T,U> a);
883	>	public abstract <T,U> CompletableFuture<U> thenCompose
884	>	(CompletableFuture<T> f,
885	>	Function<? super T,? extends CompletionStage<U>> a);
886	>	public abstract <T,U> CompletableFuture<U> handle
887	>	(CompletableFuture<T> f,
888	>	BiFunction<? super T,Throwable,? extends U> a);
889	>	public abstract <T> CompletableFuture<T> whenComplete
890	>	(CompletableFuture<T> f,
891	>	BiConsumer<? super T,? super Throwable> a);
892	>	public abstract <T,U> CompletableFuture<Void> runAfterBoth
893	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
894	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
895	>	(CompletableFuture<T> f,
896	>	CompletionStage<? extends U> g,
897	>	BiConsumer<? super T,? super U> a);
898	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
899	>	(CompletableFuture<T> f,
900	>	CompletionStage<? extends U> g,
901	>	BiFunction<? super T,? super U,? extends V> a);
902	>	public abstract <T> CompletableFuture<Void> runAfterEither
903	>	(CompletableFuture<T> f,
904	>	CompletionStage<?> g,
905	>	java.lang.Runnable a);
906	>	public abstract <T> CompletableFuture<Void> acceptEither
907	>	(CompletableFuture<T> f,
908	>	CompletionStage<? extends T> g,
909	>	Consumer<? super T> a);
910	>	public abstract <T,U> CompletableFuture<U> applyToEither
911	>	(CompletableFuture<T> f,
912	>	CompletionStage<? extends T> g,
913	>	Function<? super T,U> a);
914	>	public abstract <T> CompletableFuture<T> exceptionally
915	>	(CompletableFuture<T> f,
916	>	Function<Throwable, ? extends T> fn);
917	>	public abstract <T> CompletableFuture<T> exceptionallyCompose
918	>	(CompletableFuture<T> f,
919	>	Function<Throwable, ? extends CompletionStage<T>> fn);
920		}
921
922		/**
923	<	* runAsync completes after running Runnable
923	>	* exceptionally action is not invoked when source completes
924	>	* normally, and source result is propagated
925		*/
926	<	public void testRunAsync() {
927	<	Noop r = new Noop();
928	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
929	<	assertNull(f.join());
930	<	assertTrue(r.ran);
931	<	checkCompletedNormally(f, null);
932	<	}
926	>	public void testExceptionally_normalCompletion() {
927	>	for (ExecutionMode m : ExecutionMode.values())
928	>	for (boolean createIncomplete : new boolean[] { true, false })
929	>	for (Integer v1 : new Integer[] { 1, null })
930	>	{
931	>	final AtomicInteger a = new AtomicInteger(0);
932	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
933	>	if (!createIncomplete) assertTrue(f.complete(v1));
934	>	final CompletableFuture<Integer> g = m.exceptionally
935	>	(f, (Throwable t) -> {
936	>	a.getAndIncrement();
937	>	threadFail("should not be called");
938	>	return null;            // unreached
939	>	});
940	>	if (createIncomplete) assertTrue(f.complete(v1));
941	>
942	>	checkCompletedNormally(g, v1);
943	>	checkCompletedNormally(f, v1);
944	>	assertEquals(0, a.get());
945	>	}}
946
947		/**
948	<	* runAsync with executor completes after running Runnable
948	>	* exceptionally action completes with function value on source
949	>	* exception
950		*/
951	<	public void testRunAsync2() {
952	<	Noop r = new Noop();
953	<	ThreadExecutor exec = new ThreadExecutor();
954	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
955	<	assertNull(f.join());
956	<	assertTrue(r.ran);
957	<	checkCompletedNormally(f, null);
958	<	assertEquals(1, exec.count.get());
959	<	}
951	>	public void testExceptionally_exceptionalCompletion() {
952	>	for (ExecutionMode m : ExecutionMode.values())
953	>	for (boolean createIncomplete : new boolean[] { true, false })
954	>	for (Integer v1 : new Integer[] { 1, null })
955	>	{
956	>	final AtomicInteger a = new AtomicInteger(0);
957	>	final CFException ex = new CFException();
958	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
959	>	if (!createIncomplete) f.completeExceptionally(ex);
960	>	final CompletableFuture<Integer> g = m.exceptionally
961	>	(f, (Throwable t) -> {
962	>	m.checkExecutionMode();
963	>	threadAssertSame(t, ex);
964	>	a.getAndIncrement();
965	>	return v1;
966	>	});
967	>	if (createIncomplete) f.completeExceptionally(ex);
968	>
969	>	checkCompletedNormally(g, v1);
970	>	assertEquals(1, a.get());
971	>	}}
972
973		/**
974	<	* failing runAsync completes exceptionally after running Runnable
974	>	* If an "exceptionally action" throws an exception, it completes
975	>	* exceptionally with that exception
976		*/
977	<	public void testRunAsync3() {
978	<	FailingNoop r = new FailingNoop();
979	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
980	<	checkCompletedWithWrappedCFException(f);
981	<	assertTrue(r.ran);
982	<	}
977	>	public void testExceptionally_exceptionalCompletionActionFailed() {
978	>	for (ExecutionMode m : ExecutionMode.values())
979	>	for (boolean createIncomplete : new boolean[] { true, false })
980	>	{
981	>	final AtomicInteger a = new AtomicInteger(0);
982	>	final CFException ex1 = new CFException();
983	>	final CFException ex2 = new CFException();
984	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
985	>	if (!createIncomplete) f.completeExceptionally(ex1);
986	>	final CompletableFuture<Integer> g = m.exceptionally
987	>	(f, (Throwable t) -> {
988	>	m.checkExecutionMode();
989	>	threadAssertSame(t, ex1);
990	>	a.getAndIncrement();
991	>	throw ex2;
992	>	});
993	>	if (createIncomplete) f.completeExceptionally(ex1);
994	>
995	>	checkCompletedWithWrappedException(g, ex2);
996	>	checkCompletedExceptionally(f, ex1);
997	>	assertEquals(1, a.get());
998	>	}}
999
1000		/**
1001	<	* supplyAsync completes with result of supplier
1001	>	* whenComplete action executes on normal completion, propagating
1002	>	* source result.
1003		*/
1004	<	public void testSupplyAsync() {
1005	<	CompletableFuture<Integer> f;
1006	<	f = CompletableFuture.supplyAsync(supplyOne);
1007	<	assertEquals(f.join(), one);
1008	<	checkCompletedNormally(f, one);
1009	<	}
1004	>	public void testWhenComplete_normalCompletion() {
1005	>	for (ExecutionMode m : ExecutionMode.values())
1006	>	for (boolean createIncomplete : new boolean[] { true, false })
1007	>	for (Integer v1 : new Integer[] { 1, null })
1008	>	{
1009	>	final AtomicInteger a = new AtomicInteger(0);
1010	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1011	>	if (!createIncomplete) assertTrue(f.complete(v1));
1012	>	final CompletableFuture<Integer> g = m.whenComplete
1013	>	(f,
1014	>	(Integer result, Throwable t) -> {
1015	>	m.checkExecutionMode();
1016	>	threadAssertSame(result, v1);
1017	>	threadAssertNull(t);
1018	>	a.getAndIncrement();
1019	>	});
1020	>	if (createIncomplete) assertTrue(f.complete(v1));
1021	>
1022	>	checkCompletedNormally(g, v1);
1023	>	checkCompletedNormally(f, v1);
1024	>	assertEquals(1, a.get());
1025	>	}}
1026
1027		/**
1028	<	* supplyAsync with executor completes with result of supplier
1028	>	* whenComplete action executes on exceptional completion, propagating
1029	>	* source result.
1030		*/
1031	<	public void testSupplyAsync2() {
1032	<	CompletableFuture<Integer> f;
1033	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1034	<	assertEquals(f.join(), one);
1035	<	checkCompletedNormally(f, one);
1036	<	}
1031	>	public void testWhenComplete_exceptionalCompletion() {
1032	>	for (ExecutionMode m : ExecutionMode.values())
1033	>	for (boolean createIncomplete : new boolean[] { true, false })
1034	>	{
1035	>	final AtomicInteger a = new AtomicInteger(0);
1036	>	final CFException ex = new CFException();
1037	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1038	>	if (!createIncomplete) f.completeExceptionally(ex);
1039	>	final CompletableFuture<Integer> g = m.whenComplete
1040	>	(f,
1041	>	(Integer result, Throwable t) -> {
1042	>	m.checkExecutionMode();
1043	>	threadAssertNull(result);
1044	>	threadAssertSame(t, ex);
1045	>	a.getAndIncrement();
1046	>	});
1047	>	if (createIncomplete) f.completeExceptionally(ex);
1048	>
1049	>	checkCompletedWithWrappedException(g, ex);
1050	>	checkCompletedExceptionally(f, ex);
1051	>	assertEquals(1, a.get());
1052	>	}}
1053
1054		/**
1055	<	* Failing supplyAsync completes exceptionally
1055	>	* whenComplete action executes on cancelled source, propagating
1056	>	* CancellationException.
1057		*/
1058	<	public void testSupplyAsync3() {
1059	<	FailingSupplier r = new FailingSupplier();
1060	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1061	<	checkCompletedWithWrappedCFException(f);
1062	<	assertTrue(r.ran);
1063	<	}
1058	>	public void testWhenComplete_sourceCancelled() {
1059	>	for (ExecutionMode m : ExecutionMode.values())
1060	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1061	>	for (boolean createIncomplete : new boolean[] { true, false })
1062	>	{
1063	>	final AtomicInteger a = new AtomicInteger(0);
1064	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1065	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1066	>	final CompletableFuture<Integer> g = m.whenComplete
1067	>	(f,
1068	>	(Integer result, Throwable t) -> {
1069	>	m.checkExecutionMode();
1070	>	threadAssertNull(result);
1071	>	threadAssertTrue(t instanceof CancellationException);
1072	>	a.getAndIncrement();
1073	>	});
1074	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1075
1076	<	// seq completion methods
1076	>	checkCompletedWithWrappedCancellationException(g);
1077	>	checkCancelled(f);
1078	>	assertEquals(1, a.get());
1079	>	}}
1080
1081		/**
1082	<	* thenRun result completes normally after normal completion of source
1082	>	* If a whenComplete action throws an exception when triggered by
1083	>	* a normal completion, it completes exceptionally
1084		*/
1085	<	public void testThenRun() {
1086	<	CompletableFuture<Integer> f;
1087	<	CompletableFuture<Void> g;
1088	<	Noop r;
1089	<
1090	<	f = new CompletableFuture<>();
1091	<	g = f.thenRun(r = new Noop());
1092	<	f.complete(null);
1093	<	checkCompletedNormally(g, null);
1094	<	assertTrue(r.ran);
1085	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1086	>	for (boolean createIncomplete : new boolean[] { true, false })
1087	>	for (ExecutionMode m : ExecutionMode.values())
1088	>	for (Integer v1 : new Integer[] { 1, null })
1089	>	{
1090	>	final AtomicInteger a = new AtomicInteger(0);
1091	>	final CFException ex = new CFException();
1092	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1093	>	if (!createIncomplete) assertTrue(f.complete(v1));
1094	>	final CompletableFuture<Integer> g = m.whenComplete
1095	>	(f,
1096	>	(Integer result, Throwable t) -> {
1097	>	m.checkExecutionMode();
1098	>	threadAssertSame(result, v1);
1099	>	threadAssertNull(t);
1100	>	a.getAndIncrement();
1101	>	throw ex;
1102	>	});
1103	>	if (createIncomplete) assertTrue(f.complete(v1));
1104
1105	<	f = new CompletableFuture<>();
1106	<	f.complete(null);
1107	<	g = f.thenRun(r = new Noop());
1108	<	checkCompletedNormally(g, null);
544	<	assertTrue(r.ran);
545	<	}
1105	>	checkCompletedWithWrappedException(g, ex);
1106	>	checkCompletedNormally(f, v1);
1107	>	assertEquals(1, a.get());
1108	>	}}
1109
1110		/**
1111	<	* thenRun result completes exceptionally after exceptional
1112	<	* completion of source
1111	>	* If a whenComplete action throws an exception when triggered by
1112	>	* a source completion that also throws an exception, the source
1113	>	* exception takes precedence (unlike handle)
1114		*/
1115	<	public void testThenRun2() {
1116	<	CompletableFuture<Integer> f;
1117	<	CompletableFuture<Void> g;
1118	<	Noop r;
1119	<
1120	<	f = new CompletableFuture<>();
1121	<	g = f.thenRun(r = new Noop());
1122	<	f.completeExceptionally(new CFException());
559	<	checkCompletedWithWrappedCFException(g);
560	<	assertFalse(r.ran);
1115	>	public void testWhenComplete_sourceFailedActionFailed() {
1116	>	for (boolean createIncomplete : new boolean[] { true, false })
1117	>	for (ExecutionMode m : ExecutionMode.values())
1118	>	{
1119	>	final AtomicInteger a = new AtomicInteger(0);
1120	>	final CFException ex1 = new CFException();
1121	>	final CFException ex2 = new CFException();
1122	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1123
1124	<	f = new CompletableFuture<>();
1125	<	f.completeExceptionally(new CFException());
1126	<	g = f.thenRun(r = new Noop());
1127	<	checkCompletedWithWrappedCFException(g);
1128	<	assertFalse(r.ran);
1129	<	}
1124	>	if (!createIncomplete) f.completeExceptionally(ex1);
1125	>	final CompletableFuture<Integer> g = m.whenComplete
1126	>	(f,
1127	>	(Integer result, Throwable t) -> {
1128	>	m.checkExecutionMode();
1129	>	threadAssertSame(t, ex1);
1130	>	threadAssertNull(result);
1131	>	a.getAndIncrement();
1132	>	throw ex2;
1133	>	});
1134	>	if (createIncomplete) f.completeExceptionally(ex1);
1135	>
1136	>	checkCompletedWithWrappedException(g, ex1);
1137	>	checkCompletedExceptionally(f, ex1);
1138	>	if (testImplementationDetails) {
1139	>	assertEquals(1, ex1.getSuppressed().length);
1140	>	assertSame(ex2, ex1.getSuppressed()[0]);
1141	>	}
1142	>	assertEquals(1, a.get());
1143	>	}}
1144
1145		/**
1146	<	* thenRun result completes exceptionally if action does
1146	>	* handle action completes normally with function value on normal
1147	>	* completion of source
1148		*/
1149	<	public void testThenRun3() {
1150	<	CompletableFuture<Integer> f;
1151	<	CompletableFuture<Void> g;
1152	<	FailingNoop r;
1153	<
1154	<	f = new CompletableFuture<>();
1155	<	g = f.thenRun(r = new FailingNoop());
1156	<	f.complete(null);
1157	<	checkCompletedWithWrappedCFException(g);
1149	>	public void testHandle_normalCompletion() {
1150	>	for (ExecutionMode m : ExecutionMode.values())
1151	>	for (boolean createIncomplete : new boolean[] { true, false })
1152	>	for (Integer v1 : new Integer[] { 1, null })
1153	>	{
1154	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1155	>	final AtomicInteger a = new AtomicInteger(0);
1156	>	if (!createIncomplete) assertTrue(f.complete(v1));
1157	>	final CompletableFuture<Integer> g = m.handle
1158	>	(f,
1159	>	(Integer result, Throwable t) -> {
1160	>	m.checkExecutionMode();
1161	>	threadAssertSame(result, v1);
1162	>	threadAssertNull(t);
1163	>	a.getAndIncrement();
1164	>	return inc(v1);
1165	>	});
1166	>	if (createIncomplete) assertTrue(f.complete(v1));
1167
1168	<	f = new CompletableFuture<>();
1169	<	f.complete(null);
1170	<	g = f.thenRun(r = new FailingNoop());
1171	<	checkCompletedWithWrappedCFException(g);
586	<	}
1168	>	checkCompletedNormally(g, inc(v1));
1169	>	checkCompletedNormally(f, v1);
1170	>	assertEquals(1, a.get());
1171	>	}}
1172
1173		/**
1174	<	* thenRun result completes exceptionally if source cancelled
1174	>	* handle action completes normally with function value on
1175	>	* exceptional completion of source
1176		*/
1177	<	public void testThenRun4() {
1178	<	CompletableFuture<Integer> f;
1179	<	CompletableFuture<Void> g;
1180	<	Noop r;
1181	<
1182	<	f = new CompletableFuture<>();
1183	<	g = f.thenRun(r = new Noop());
1184	<	assertTrue(f.cancel(true));
1185	<	checkCompletedWithWrappedCancellationException(g);
1177	>	public void testHandle_exceptionalCompletion() {
1178	>	for (ExecutionMode m : ExecutionMode.values())
1179	>	for (boolean createIncomplete : new boolean[] { true, false })
1180	>	for (Integer v1 : new Integer[] { 1, null })
1181	>	{
1182	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1183	>	final AtomicInteger a = new AtomicInteger(0);
1184	>	final CFException ex = new CFException();
1185	>	if (!createIncomplete) f.completeExceptionally(ex);
1186	>	final CompletableFuture<Integer> g = m.handle
1187	>	(f,
1188	>	(Integer result, Throwable t) -> {
1189	>	m.checkExecutionMode();
1190	>	threadAssertNull(result);
1191	>	threadAssertSame(t, ex);
1192	>	a.getAndIncrement();
1193	>	return v1;
1194	>	});
1195	>	if (createIncomplete) f.completeExceptionally(ex);
1196
1197	<	f = new CompletableFuture<>();
1198	<	assertTrue(f.cancel(true));
1199	<	g = f.thenRun(r = new Noop());
1200	<	checkCompletedWithWrappedCancellationException(g);
605	<	}
1197	>	checkCompletedNormally(g, v1);
1198	>	checkCompletedExceptionally(f, ex);
1199	>	assertEquals(1, a.get());
1200	>	}}
1201
1202		/**
1203	<	* thenApply result completes normally after normal completion of source
1203	>	* handle action completes normally with function value on
1204	>	* cancelled source
1205		*/
1206	<	public void testThenApply() {
1207	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1208	<	CompletableFuture<Integer> g = f.thenApply(inc);
1209	<	f.complete(one);
1210	<	checkCompletedNormally(g, two);
1211	<	}
1206	>	public void testHandle_sourceCancelled() {
1207	>	for (ExecutionMode m : ExecutionMode.values())
1208	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1209	>	for (boolean createIncomplete : new boolean[] { true, false })
1210	>	for (Integer v1 : new Integer[] { 1, null })
1211	>	{
1212	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1213	>	final AtomicInteger a = new AtomicInteger(0);
1214	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1215	>	final CompletableFuture<Integer> g = m.handle
1216	>	(f,
1217	>	(Integer result, Throwable t) -> {
1218	>	m.checkExecutionMode();
1219	>	threadAssertNull(result);
1220	>	threadAssertTrue(t instanceof CancellationException);
1221	>	a.getAndIncrement();
1222	>	return v1;
1223	>	});
1224	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1225	>
1226	>	checkCompletedNormally(g, v1);
1227	>	checkCancelled(f);
1228	>	assertEquals(1, a.get());
1229	>	}}
1230
1231		/**
1232	<	* thenApply result completes exceptionally after exceptional
1233	<	* completion of source
1232	>	* If a "handle action" throws an exception when triggered by
1233	>	* a normal completion, it completes exceptionally
1234		*/
1235	<	public void testThenApply2() {
1236	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1237	<	CompletableFuture<Integer> g = f.thenApply(inc);
1238	<	f.completeExceptionally(new CFException());
1239	<	checkCompletedWithWrappedCFException(g);
1240	<	}
1235	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1236	>	for (ExecutionMode m : ExecutionMode.values())
1237	>	for (boolean createIncomplete : new boolean[] { true, false })
1238	>	for (Integer v1 : new Integer[] { 1, null })
1239	>	{
1240	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1241	>	final AtomicInteger a = new AtomicInteger(0);
1242	>	final CFException ex = new CFException();
1243	>	if (!createIncomplete) assertTrue(f.complete(v1));
1244	>	final CompletableFuture<Integer> g = m.handle
1245	>	(f,
1246	>	(Integer result, Throwable t) -> {
1247	>	m.checkExecutionMode();
1248	>	threadAssertSame(result, v1);
1249	>	threadAssertNull(t);
1250	>	a.getAndIncrement();
1251	>	throw ex;
1252	>	});
1253	>	if (createIncomplete) assertTrue(f.complete(v1));
1254	>
1255	>	checkCompletedWithWrappedException(g, ex);
1256	>	checkCompletedNormally(f, v1);
1257	>	assertEquals(1, a.get());
1258	>	}}
1259
1260		/**
1261	<	* thenApply result completes exceptionally if action does
1261	>	* If a "handle action" throws an exception when triggered by
1262	>	* a source completion that also throws an exception, the action
1263	>	* exception takes precedence (unlike whenComplete)
1264		*/
1265	<	public void testThenApply3() {
1266	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1267	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1268	<	f.complete(one);
1269	<	checkCompletedWithWrappedCFException(g);
1270	<	}
1265	>	public void testHandle_sourceFailedActionFailed() {
1266	>	for (boolean createIncomplete : new boolean[] { true, false })
1267	>	for (ExecutionMode m : ExecutionMode.values())
1268	>	{
1269	>	final AtomicInteger a = new AtomicInteger(0);
1270	>	final CFException ex1 = new CFException();
1271	>	final CFException ex2 = new CFException();
1272	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1273	>
1274	>	if (!createIncomplete) f.completeExceptionally(ex1);
1275	>	final CompletableFuture<Integer> g = m.handle
1276	>	(f,
1277	>	(Integer result, Throwable t) -> {
1278	>	m.checkExecutionMode();
1279	>	threadAssertNull(result);
1280	>	threadAssertSame(ex1, t);
1281	>	a.getAndIncrement();
1282	>	throw ex2;
1283	>	});
1284	>	if (createIncomplete) f.completeExceptionally(ex1);
1285	>
1286	>	checkCompletedWithWrappedException(g, ex2);
1287	>	checkCompletedExceptionally(f, ex1);
1288	>	assertEquals(1, a.get());
1289	>	}}
1290
1291		/**
1292	<	* thenApply result completes exceptionally if source cancelled
1292	>	* runAsync completes after running Runnable
1293		*/
1294	<	public void testThenApply4() {
1295	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1296	<	CompletableFuture<Integer> g = f.thenApply(inc);
1297	<	assertTrue(f.cancel(true));
1298	<	checkCompletedWithWrappedCancellationException(g);
1299	<	}
1294	>	public void testRunAsync_normalCompletion() {
1295	>	ExecutionMode[] executionModes = {
1296	>	ExecutionMode.ASYNC,
1297	>	ExecutionMode.EXECUTOR,
1298	>	};
1299	>	for (ExecutionMode m : executionModes)
1300	>	{
1301	>	final Noop r = new Noop(m);
1302	>	final CompletableFuture<Void> f = m.runAsync(r);
1303	>	assertNull(f.join());
1304	>	checkCompletedNormally(f, null);
1305	>	r.assertInvoked();
1306	>	}}
1307
1308		/**
1309	<	* thenAccept result completes normally after normal completion of source
1309	>	* failing runAsync completes exceptionally after running Runnable
1310		*/
1311	<	public void testThenAccept() {
1312	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1313	<	IncAction r = new IncAction();
1314	<	CompletableFuture<Void> g = f.thenAccept(r);
1315	<	f.complete(one);
1316	<	checkCompletedNormally(g, null);
1317	<	assertEquals(r.value, 2);
1311	>	public void testRunAsync_exceptionalCompletion() {
1312	>	ExecutionMode[] executionModes = {
1313	>	ExecutionMode.ASYNC,
1314	>	ExecutionMode.EXECUTOR,
1315	>	};
1316	>	for (ExecutionMode m : executionModes)
1317	>	{
1318	>	final FailingRunnable r = new FailingRunnable(m);
1319	>	final CompletableFuture<Void> f = m.runAsync(r);
1320	>	checkCompletedWithWrappedException(f, r.ex);
1321	>	r.assertInvoked();
1322	>	}}
1323	>
1324	>	@SuppressWarnings("FutureReturnValueIgnored")
1325	>	public void testRunAsync_rejectingExecutor() {
1326	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1327	>	try {
1328	>	CompletableFuture.runAsync(() -> {}, e);
1329	>	shouldThrow();
1330	>	} catch (Throwable t) {
1331	>	assertSame(e.ex, t);
1332	>	}
1333	>
1334	>	assertEquals(1, e.count.get());
1335		}
1336
1337		/**
1338	<	* thenAccept result completes exceptionally after exceptional
662	<	* completion of source
1338	>	* supplyAsync completes with result of supplier
1339		*/
1340	<	public void testThenAccept2() {
1341	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1342	<	IncAction r = new IncAction();
1343	<	CompletableFuture<Void> g = f.thenAccept(r);
1344	<	f.completeExceptionally(new CFException());
1345	<	checkCompletedWithWrappedCFException(g);
1346	<	}
1340	>	public void testSupplyAsync_normalCompletion() {
1341	>	ExecutionMode[] executionModes = {
1342	>	ExecutionMode.ASYNC,
1343	>	ExecutionMode.EXECUTOR,
1344	>	};
1345	>	for (ExecutionMode m : executionModes)
1346	>	for (Integer v1 : new Integer[] { 1, null })
1347	>	{
1348	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1349	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1350	>	assertSame(v1, f.join());
1351	>	checkCompletedNormally(f, v1);
1352	>	r.assertInvoked();
1353	>	}}
1354
1355		/**
1356	<	* thenAccept result completes exceptionally if action does
1356	>	* Failing supplyAsync completes exceptionally
1357		*/
1358	<	public void testThenAccept3() {
1359	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1360	<	FailingConsumer r = new FailingConsumer();
1361	<	CompletableFuture<Void> g = f.thenAccept(r);
1362	<	f.complete(one);
1363	<	checkCompletedWithWrappedCFException(g);
1364	<	assertTrue(r.ran);
1358	>	public void testSupplyAsync_exceptionalCompletion() {
1359	>	ExecutionMode[] executionModes = {
1360	>	ExecutionMode.ASYNC,
1361	>	ExecutionMode.EXECUTOR,
1362	>	};
1363	>	for (ExecutionMode m : executionModes)
1364	>	{
1365	>	FailingSupplier r = new FailingSupplier(m);
1366	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1367	>	checkCompletedWithWrappedException(f, r.ex);
1368	>	r.assertInvoked();
1369	>	}}
1370	>
1371	>	@SuppressWarnings("FutureReturnValueIgnored")
1372	>	public void testSupplyAsync_rejectingExecutor() {
1373	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1374	>	try {
1375	>	CompletableFuture.supplyAsync(() -> null, e);
1376	>	shouldThrow();
1377	>	} catch (Throwable t) {
1378	>	assertSame(e.ex, t);
1379	>	}
1380	>
1381	>	assertEquals(1, e.count.get());
1382		}
1383
1384	+	// seq completion methods
1385	+
1386		/**
1387	<	* thenAccept result completes exceptionally if source cancelled
1387	>	* thenRun result completes normally after normal completion of source
1388		*/
1389	<	public void testThenAccept4() {
1390	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1391	<	IncAction r = new IncAction();
1392	<	CompletableFuture<Void> g = f.thenAccept(r);
1393	<	assertTrue(f.cancel(true));
1394	<	checkCompletedWithWrappedCancellationException(g);
1395	<	}
1389	>	public void testThenRun_normalCompletion() {
1390	>	for (ExecutionMode m : ExecutionMode.values())
1391	>	for (Integer v1 : new Integer[] { 1, null })
1392	>	{
1393	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1394	>	final Noop[] rs = new Noop[6];
1395	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1396	>
1397	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1398	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1399	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1400	>	checkIncomplete(h0);
1401	>	checkIncomplete(h1);
1402	>	checkIncomplete(h2);
1403	>	assertTrue(f.complete(v1));
1404	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1405	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1406	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1407	>
1408	>	checkCompletedNormally(h0, null);
1409	>	checkCompletedNormally(h1, null);
1410	>	checkCompletedNormally(h2, null);
1411	>	checkCompletedNormally(h3, null);
1412	>	checkCompletedNormally(h4, null);
1413	>	checkCompletedNormally(h5, null);
1414	>	checkCompletedNormally(f, v1);
1415	>	for (Noop r : rs) r.assertInvoked();
1416	>	}}
1417
1418		/**
1419	<	* thenCombine result completes normally after normal completion
1420	<	* of sources
1419	>	* thenRun result completes exceptionally after exceptional
1420	>	* completion of source
1421		*/
1422	<	public void testThenCombine() {
1423	<	CompletableFuture<Integer> f, g, h;
1422	>	public void testThenRun_exceptionalCompletion() {
1423	>	for (ExecutionMode m : ExecutionMode.values())
1424	>	{
1425	>	final CFException ex = new CFException();
1426	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1427	>	final Noop[] rs = new Noop[6];
1428	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1429
1430	<	f = new CompletableFuture<>();
1431	<	g = new CompletableFuture<>();
1432	<	h = f.thenCombine(g, subtract);
1433	<	f.complete(3);
1434	<	checkIncomplete(h);
1435	<	g.complete(1);
1436	<	checkCompletedNormally(h, 2);
1430	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1431	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1432	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1433	>	checkIncomplete(h0);
1434	>	checkIncomplete(h1);
1435	>	checkIncomplete(h2);
1436	>	assertTrue(f.completeExceptionally(ex));
1437	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1438	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1439	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1440	>
1441	>	checkCompletedWithWrappedException(h0, ex);
1442	>	checkCompletedWithWrappedException(h1, ex);
1443	>	checkCompletedWithWrappedException(h2, ex);
1444	>	checkCompletedWithWrappedException(h3, ex);
1445	>	checkCompletedWithWrappedException(h4, ex);
1446	>	checkCompletedWithWrappedException(h5, ex);
1447	>	checkCompletedExceptionally(f, ex);
1448	>	for (Noop r : rs) r.assertNotInvoked();
1449	>	}}
1450
1451	<	f = new CompletableFuture<>();
1452	<	g = new CompletableFuture<>();
1453	<	h = f.thenCombine(g, subtract);
1454	<	g.complete(1);
1455	<	checkIncomplete(h);
1456	<	f.complete(3);
1457	<	checkCompletedNormally(h, 2);
1451	>	/**
1452	>	* thenRun result completes exceptionally if source cancelled
1453	>	*/
1454	>	public void testThenRun_sourceCancelled() {
1455	>	for (ExecutionMode m : ExecutionMode.values())
1456	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1457	>	{
1458	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1459	>	final Noop[] rs = new Noop[6];
1460	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1461
1462	<	f = new CompletableFuture<>();
1463	<	g = new CompletableFuture<>();
1464	<	g.complete(1);
1465	<	f.complete(3);
1466	<	h = f.thenCombine(g, subtract);
1467	<	checkCompletedNormally(h, 2);
1468	<	}
1462	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1463	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1464	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1465	>	checkIncomplete(h0);
1466	>	checkIncomplete(h1);
1467	>	checkIncomplete(h2);
1468	>	assertTrue(f.cancel(mayInterruptIfRunning));
1469	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1470	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1471	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1472	>
1473	>	checkCompletedWithWrappedCancellationException(h0);
1474	>	checkCompletedWithWrappedCancellationException(h1);
1475	>	checkCompletedWithWrappedCancellationException(h2);
1476	>	checkCompletedWithWrappedCancellationException(h3);
1477	>	checkCompletedWithWrappedCancellationException(h4);
1478	>	checkCompletedWithWrappedCancellationException(h5);
1479	>	checkCancelled(f);
1480	>	for (Noop r : rs) r.assertNotInvoked();
1481	>	}}
1482
1483		/**
1484	<	* thenCombine result completes exceptionally after exceptional
728	<	* completion of either source
1484	>	* thenRun result completes exceptionally if action does
1485		*/
1486	<	public void testThenCombine2() {
1487	<	CompletableFuture<Integer> f, g, h;
1488	<
1489	<	f = new CompletableFuture<>();
1490	<	g = new CompletableFuture<>();
1491	<	h = f.thenCombine(g, subtract);
1492	<	f.completeExceptionally(new CFException());
737	<	checkIncomplete(h);
738	<	g.complete(1);
739	<	checkCompletedWithWrappedCFException(h);
1486	>	public void testThenRun_actionFailed() {
1487	>	for (ExecutionMode m : ExecutionMode.values())
1488	>	for (Integer v1 : new Integer[] { 1, null })
1489	>	{
1490	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1491	>	final FailingRunnable[] rs = new FailingRunnable[6];
1492	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1493
1494	<	f = new CompletableFuture<>();
1495	<	g = new CompletableFuture<>();
1496	<	h = f.thenCombine(g, subtract);
1497	<	g.completeExceptionally(new CFException());
1498	<	checkIncomplete(h);
1499	<	f.complete(3);
1500	<	checkCompletedWithWrappedCFException(h);
1494	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1495	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1496	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1497	>	assertTrue(f.complete(v1));
1498	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1499	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1500	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1501	>
1502	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1503	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1504	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1505	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1506	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1507	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1508	>	checkCompletedNormally(f, v1);
1509	>	}}
1510
1511	<	f = new CompletableFuture<>();
1512	<	g = new CompletableFuture<>();
1513	<	f.complete(3);
1514	<	g.completeExceptionally(new CFException());
1515	<	h = f.thenCombine(g, subtract);
1516	<	checkCompletedWithWrappedCFException(h);
1511	>	/**
1512	>	* thenApply result completes normally after normal completion of source
1513	>	*/
1514	>	public void testThenApply_normalCompletion() {
1515	>	for (ExecutionMode m : ExecutionMode.values())
1516	>	for (Integer v1 : new Integer[] { 1, null })
1517	>	{
1518	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1519	>	final IncFunction[] rs = new IncFunction[4];
1520	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1521
1522	<	f = new CompletableFuture<>();
1523	<	g = new CompletableFuture<>();
1524	<	f.completeExceptionally(new CFException());
1525	<	g.complete(3);
1526	<	h = f.thenCombine(g, subtract);
1527	<	checkCompletedWithWrappedCFException(h);
1528	<	}
1522	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1523	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1524	>	checkIncomplete(h0);
1525	>	checkIncomplete(h1);
1526	>	assertTrue(f.complete(v1));
1527	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1528	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1529	>
1530	>	checkCompletedNormally(h0, inc(v1));
1531	>	checkCompletedNormally(h1, inc(v1));
1532	>	checkCompletedNormally(h2, inc(v1));
1533	>	checkCompletedNormally(h3, inc(v1));
1534	>	checkCompletedNormally(f, v1);
1535	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1536	>	}}
1537
1538		/**
1539	<	* thenCombine result completes exceptionally if action does
1539	>	* thenApply result completes exceptionally after exceptional
1540	>	* completion of source
1541		*/
1542	<	public void testThenCombine3() {
1543	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1544	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1545	<	FailingBiFunction r = new FailingBiFunction();
1546	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
1547	<	f.complete(one);
1548	<	checkIncomplete(g);
1549	<	assertFalse(r.ran);
1550	<	f2.complete(two);
1551	<	checkCompletedWithWrappedCFException(g);
1552	<	assertTrue(r.ran);
1553	<	}
1542	>	public void testThenApply_exceptionalCompletion() {
1543	>	for (ExecutionMode m : ExecutionMode.values())
1544	>	{
1545	>	final CFException ex = new CFException();
1546	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1547	>	final IncFunction[] rs = new IncFunction[4];
1548	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1549	>
1550	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1551	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1552	>	assertTrue(f.completeExceptionally(ex));
1553	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1554	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1555	>
1556	>	checkCompletedWithWrappedException(h0, ex);
1557	>	checkCompletedWithWrappedException(h1, ex);
1558	>	checkCompletedWithWrappedException(h2, ex);
1559	>	checkCompletedWithWrappedException(h3, ex);
1560	>	checkCompletedExceptionally(f, ex);
1561	>	for (IncFunction r : rs) r.assertNotInvoked();
1562	>	}}
1563
1564		/**
1565	<	* thenCombine result completes exceptionally if either source cancelled
1565	>	* thenApply result completes exceptionally if source cancelled
1566		*/
1567	<	public void testThenCombine4() {
1568	<	CompletableFuture<Integer> f, g, h;
1569	<
1570	<	f = new CompletableFuture<>();
1571	<	g = new CompletableFuture<>();
1572	<	h = f.thenCombine(g, subtract);
1573	<	assertTrue(f.cancel(true));
790	<	checkIncomplete(h);
791	<	g.complete(1);
792	<	checkCompletedWithWrappedCancellationException(h);
1567	>	public void testThenApply_sourceCancelled() {
1568	>	for (ExecutionMode m : ExecutionMode.values())
1569	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1570	>	{
1571	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1572	>	final IncFunction[] rs = new IncFunction[4];
1573	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1574
1575	<	f = new CompletableFuture<>();
1576	<	g = new CompletableFuture<>();
1577	<	h = f.thenCombine(g, subtract);
1578	<	assertTrue(g.cancel(true));
1579	<	checkIncomplete(h);
799	<	f.complete(3);
800	<	checkCompletedWithWrappedCancellationException(h);
1575	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1576	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1577	>	assertTrue(f.cancel(mayInterruptIfRunning));
1578	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1579	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1580
1581	<	f = new CompletableFuture<>();
1582	<	g = new CompletableFuture<>();
1583	<	assertTrue(f.cancel(true));
1584	<	assertTrue(g.cancel(true));
1585	<	h = f.thenCombine(g, subtract);
1586	<	checkCompletedWithWrappedCancellationException(h);
1587	<	}
1581	>	checkCompletedWithWrappedCancellationException(h0);
1582	>	checkCompletedWithWrappedCancellationException(h1);
1583	>	checkCompletedWithWrappedCancellationException(h2);
1584	>	checkCompletedWithWrappedCancellationException(h3);
1585	>	checkCancelled(f);
1586	>	for (IncFunction r : rs) r.assertNotInvoked();
1587	>	}}
1588
1589		/**
1590	<	* thenAcceptBoth result completes normally after normal
812	<	* completion of sources
1590	>	* thenApply result completes exceptionally if action does
1591		*/
1592	<	public void testThenAcceptBoth() {
1593	<	CompletableFuture<Integer> f, g;
1594	<	CompletableFuture<Void> h;
1595	<	SubtractAction r;
1596	<
1597	<	f = new CompletableFuture<>();
1598	<	g = new CompletableFuture<>();
821	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
822	<	f.complete(3);
823	<	checkIncomplete(h);
824	<	g.complete(1);
825	<	checkCompletedNormally(h, null);
826	<	assertEquals(r.value, 2);
827	<
828	<	f = new CompletableFuture<>();
829	<	g = new CompletableFuture<>();
830	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
831	<	g.complete(1);
832	<	checkIncomplete(h);
833	<	f.complete(3);
834	<	checkCompletedNormally(h, null);
835	<	assertEquals(r.value, 2);
1592	>	public void testThenApply_actionFailed() {
1593	>	for (ExecutionMode m : ExecutionMode.values())
1594	>	for (Integer v1 : new Integer[] { 1, null })
1595	>	{
1596	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1597	>	final FailingFunction[] rs = new FailingFunction[4];
1598	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1599
1600	<	f = new CompletableFuture<>();
1601	<	g = new CompletableFuture<>();
1602	<	g.complete(1);
1603	<	f.complete(3);
1604	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1605	<	checkCompletedNormally(h, null);
1606	<	assertEquals(r.value, 2);
1607	<	}
1600	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1601	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1602	>	assertTrue(f.complete(v1));
1603	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1604	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1605	>
1606	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1607	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1608	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1609	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1610	>	checkCompletedNormally(f, v1);
1611	>	}}
1612
1613		/**
1614	<	* thenAcceptBoth result completes exceptionally after exceptional
848	<	* completion of either source
1614	>	* thenAccept result completes normally after normal completion of source
1615		*/
1616	<	public void testThenAcceptBoth2() {
1617	<	CompletableFuture<Integer> f, g;
1618	<	CompletableFuture<Void> h;
1619	<	SubtractAction r;
1620	<
1621	<	f = new CompletableFuture<>();
1622	<	g = new CompletableFuture<>();
857	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
858	<	f.completeExceptionally(new CFException());
859	<	checkIncomplete(h);
860	<	g.complete(1);
861	<	checkCompletedWithWrappedCFException(h);
1616	>	public void testThenAccept_normalCompletion() {
1617	>	for (ExecutionMode m : ExecutionMode.values())
1618	>	for (Integer v1 : new Integer[] { 1, null })
1619	>	{
1620	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1621	>	final NoopConsumer[] rs = new NoopConsumer[4];
1622	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1623
1624	<	f = new CompletableFuture<>();
1625	<	g = new CompletableFuture<>();
1626	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1627	<	g.completeExceptionally(new CFException());
1628	<	checkIncomplete(h);
1629	<	f.complete(3);
1630	<	checkCompletedWithWrappedCFException(h);
1624	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1625	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1626	>	checkIncomplete(h0);
1627	>	checkIncomplete(h1);
1628	>	assertTrue(f.complete(v1));
1629	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1630	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1631	>
1632	>	checkCompletedNormally(h0, null);
1633	>	checkCompletedNormally(h1, null);
1634	>	checkCompletedNormally(h2, null);
1635	>	checkCompletedNormally(h3, null);
1636	>	checkCompletedNormally(f, v1);
1637	>	for (NoopConsumer r : rs) r.assertValue(v1);
1638	>	}}
1639
1640	<	f = new CompletableFuture<>();
1641	<	g = new CompletableFuture<>();
1642	<	f.complete(3);
1643	<	g.completeExceptionally(new CFException());
1644	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1645	<	checkCompletedWithWrappedCFException(h);
1640	>	/**
1641	>	* thenAccept result completes exceptionally after exceptional
1642	>	* completion of source
1643	>	*/
1644	>	public void testThenAccept_exceptionalCompletion() {
1645	>	for (ExecutionMode m : ExecutionMode.values())
1646	>	{
1647	>	final CFException ex = new CFException();
1648	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1649	>	final NoopConsumer[] rs = new NoopConsumer[4];
1650	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1651
1652	<	f = new CompletableFuture<>();
1653	<	g = new CompletableFuture<>();
1654	<	f.completeExceptionally(new CFException());
1655	<	g.complete(3);
1656	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1657	<	checkCompletedWithWrappedCFException(h);
1658	<	}
1652	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1653	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1654	>	assertTrue(f.completeExceptionally(ex));
1655	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1656	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1657	>
1658	>	checkCompletedWithWrappedException(h0, ex);
1659	>	checkCompletedWithWrappedException(h1, ex);
1660	>	checkCompletedWithWrappedException(h2, ex);
1661	>	checkCompletedWithWrappedException(h3, ex);
1662	>	checkCompletedExceptionally(f, ex);
1663	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1664	>	}}
1665
1666		/**
1667	<	* thenAcceptBoth result completes exceptionally if action does
1667	>	* thenAccept result completes exceptionally if source cancelled
1668		*/
1669	<	public void testThenAcceptBoth3() {
1670	<	CompletableFuture<Integer> f, g;
1671	<	CompletableFuture<Void> h;
1672	<	FailingBiConsumer r;
1669	>	public void testThenAccept_sourceCancelled() {
1670	>	for (ExecutionMode m : ExecutionMode.values())
1671	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1672	>	{
1673	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1674	>	final NoopConsumer[] rs = new NoopConsumer[4];
1675	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1676
1677	<	f = new CompletableFuture<>();
1678	<	g = new CompletableFuture<>();
1679	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1680	<	f.complete(3);
1681	<	checkIncomplete(h);
899	<	g.complete(1);
900	<	checkCompletedWithWrappedCFException(h);
1677	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1678	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1679	>	assertTrue(f.cancel(mayInterruptIfRunning));
1680	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1681	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1682
1683	<	f = new CompletableFuture<>();
1684	<	g = new CompletableFuture<>();
1685	<	f.complete(3);
1686	<	g.complete(1);
1687	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1688	<	checkCompletedWithWrappedCFException(h);
1689	<	}
1683	>	checkCompletedWithWrappedCancellationException(h0);
1684	>	checkCompletedWithWrappedCancellationException(h1);
1685	>	checkCompletedWithWrappedCancellationException(h2);
1686	>	checkCompletedWithWrappedCancellationException(h3);
1687	>	checkCancelled(f);
1688	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1689	>	}}
1690
1691		/**
1692	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1692	>	* thenAccept result completes exceptionally if action does
1693		*/
1694	<	public void testThenAcceptBoth4() {
1695	<	CompletableFuture<Integer> f, g;
1696	<	CompletableFuture<Void> h;
1697	<	SubtractAction r;
1694	>	public void testThenAccept_actionFailed() {
1695	>	for (ExecutionMode m : ExecutionMode.values())
1696	>	for (Integer v1 : new Integer[] { 1, null })
1697	>	{
1698	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1699	>	final FailingConsumer[] rs = new FailingConsumer[4];
1700	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1701
1702	<	f = new CompletableFuture<>();
1703	<	g = new CompletableFuture<>();
1704	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1705	<	assertTrue(f.cancel(true));
1706	<	checkIncomplete(h);
1707	<	g.complete(1);
1708	<	checkCompletedWithWrappedCancellationException(h);
1702	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1703	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1704	>	assertTrue(f.complete(v1));
1705	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1706	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1707	>
1708	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1709	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1710	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1711	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1712	>	checkCompletedNormally(f, v1);
1713	>	}}
1714
1715	<	f = new CompletableFuture<>();
1716	<	g = new CompletableFuture<>();
1717	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1718	<	assertTrue(g.cancel(true));
1719	<	checkIncomplete(h);
1720	<	f.complete(3);
1721	<	checkCompletedWithWrappedCancellationException(h);
1715	>	/**
1716	>	* thenCombine result completes normally after normal completion
1717	>	* of sources
1718	>	*/
1719	>	public void testThenCombine_normalCompletion() {
1720	>	for (ExecutionMode m : ExecutionMode.values())
1721	>	for (boolean fFirst : new boolean[] { true, false })
1722	>	for (Integer v1 : new Integer[] { 1, null })
1723	>	for (Integer v2 : new Integer[] { 2, null })
1724	>	{
1725	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1726	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1727	>	final SubtractFunction[] rs = new SubtractFunction[6];
1728	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1729
1730	<	f = new CompletableFuture<>();
1731	<	g = new CompletableFuture<>();
1732	<	f.complete(3);
1733	<	assertTrue(g.cancel(true));
1734	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1735	<	checkCompletedWithWrappedCancellationException(h);
1730	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1731	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1732	>	final Integer w1 =  fFirst ? v1 : v2;
1733	>	final Integer w2 = !fFirst ? v1 : v2;
1734	>
1735	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1736	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1737	>	assertTrue(fst.complete(w1));
1738	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1739	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1740	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1741	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1742	>	checkCompletedNormally(h1, subtract(w1, w1));
1743	>	checkCompletedNormally(h3, subtract(w1, w1));
1744	>	rs[1].assertValue(subtract(w1, w1));
1745	>	rs[3].assertValue(subtract(w1, w1));
1746	>	assertTrue(snd.complete(w2));
1747	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1748	>
1749	>	checkCompletedNormally(h0, subtract(v1, v2));
1750	>	checkCompletedNormally(h2, subtract(v1, v2));
1751	>	checkCompletedNormally(h4, subtract(v1, v2));
1752	>	rs[0].assertValue(subtract(v1, v2));
1753	>	rs[2].assertValue(subtract(v1, v2));
1754	>	rs[4].assertValue(subtract(v1, v2));
1755
1756	<	f = new CompletableFuture<>();
1757	<	g = new CompletableFuture<>();
1758	<	assertTrue(f.cancel(true));
944	<	g.complete(3);
945	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
946	<	checkCompletedWithWrappedCancellationException(h);
947	<	}
1756	>	checkCompletedNormally(f, v1);
1757	>	checkCompletedNormally(g, v2);
1758	>	}}
1759
1760		/**
1761	<	* Permits the testing of parallel code for the 3 different
1762	<	* execution modes without repeating all the testing code.
1761	>	* thenCombine result completes exceptionally after exceptional
1762	>	* completion of either source
1763		*/
1764	<	enum ExecutionMode {
1765	<	DEFAULT {
1766	<	public <T,U> CompletableFuture<Void> runAfterBoth
1767	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
1768	<	return f.runAfterBoth(g, r);
1769	<	}
1770	<	},
1771	<
1772	<	DEFAULT_ASYNC {
1773	<	public <T,U> CompletableFuture<Void> runAfterBoth
1774	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
1775	<	return f.runAfterBothAsync(g, r);
1776	<	}
1777	<	},
1764	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1765	>	for (ExecutionMode m : ExecutionMode.values())
1766	>	for (boolean fFirst : new boolean[] { true, false })
1767	>	for (boolean failFirst : new boolean[] { true, false })
1768	>	for (Integer v1 : new Integer[] { 1, null })
1769	>	{
1770	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1771	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1772	>	final CFException ex = new CFException();
1773	>	final SubtractFunction r1 = new SubtractFunction(m);
1774	>	final SubtractFunction r2 = new SubtractFunction(m);
1775	>	final SubtractFunction r3 = new SubtractFunction(m);
1776	>
1777	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1778	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1779	>	final Callable<Boolean> complete1 = failFirst ?
1780	>	() -> fst.completeExceptionally(ex) :
1781	>	() -> fst.complete(v1);
1782	>	final Callable<Boolean> complete2 = failFirst ?
1783	>	() -> snd.complete(v1) :
1784	>	() -> snd.completeExceptionally(ex);
1785	>
1786	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1787	>	assertTrue(complete1.call());
1788	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1789	>	checkIncomplete(h1);
1790	>	checkIncomplete(h2);
1791	>	assertTrue(complete2.call());
1792	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1793	>
1794	>	checkCompletedWithWrappedException(h1, ex);
1795	>	checkCompletedWithWrappedException(h2, ex);
1796	>	checkCompletedWithWrappedException(h3, ex);
1797	>	r1.assertNotInvoked();
1798	>	r2.assertNotInvoked();
1799	>	r3.assertNotInvoked();
1800	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1801	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1802	>	}}
1803
1804	<	EXECUTOR {
1805	<	public <T,U> CompletableFuture<Void> runAfterBoth
1806	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
1807	<	return f.runAfterBothAsync(g, r, new ThreadExecutor());
1808	<	}
1809	<	};
1804	>	/**
1805	>	* thenCombine result completes exceptionally if either source cancelled
1806	>	*/
1807	>	public void testThenCombine_sourceCancelled() throws Throwable {
1808	>	for (ExecutionMode m : ExecutionMode.values())
1809	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1810	>	for (boolean fFirst : new boolean[] { true, false })
1811	>	for (boolean failFirst : new boolean[] { true, false })
1812	>	for (Integer v1 : new Integer[] { 1, null })
1813	>	{
1814	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1815	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1816	>	final SubtractFunction r1 = new SubtractFunction(m);
1817	>	final SubtractFunction r2 = new SubtractFunction(m);
1818	>	final SubtractFunction r3 = new SubtractFunction(m);
1819	>
1820	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1821	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1822	>	final Callable<Boolean> complete1 = failFirst ?
1823	>	() -> fst.cancel(mayInterruptIfRunning) :
1824	>	() -> fst.complete(v1);
1825	>	final Callable<Boolean> complete2 = failFirst ?
1826	>	() -> snd.complete(v1) :
1827	>	() -> snd.cancel(mayInterruptIfRunning);
1828	>
1829	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1830	>	assertTrue(complete1.call());
1831	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1832	>	checkIncomplete(h1);
1833	>	checkIncomplete(h2);
1834	>	assertTrue(complete2.call());
1835	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1836	>
1837	>	checkCompletedWithWrappedCancellationException(h1);
1838	>	checkCompletedWithWrappedCancellationException(h2);
1839	>	checkCompletedWithWrappedCancellationException(h3);
1840	>	r1.assertNotInvoked();
1841	>	r2.assertNotInvoked();
1842	>	r3.assertNotInvoked();
1843	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1844	>	checkCancelled(failFirst ? fst : snd);
1845	>	}}
1846
1847	<	public abstract <T,U> CompletableFuture<Void> runAfterBoth
1848	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r);
1849	<	}
1847	>	/**
1848	>	* thenCombine result completes exceptionally if action does
1849	>	*/
1850	>	public void testThenCombine_actionFailed() {
1851	>	for (ExecutionMode m : ExecutionMode.values())
1852	>	for (boolean fFirst : new boolean[] { true, false })
1853	>	for (Integer v1 : new Integer[] { 1, null })
1854	>	for (Integer v2 : new Integer[] { 2, null })
1855	>	{
1856	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1857	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1858	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1859	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1860	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1861	>
1862	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1863	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1864	>	final Integer w1 =  fFirst ? v1 : v2;
1865	>	final Integer w2 = !fFirst ? v1 : v2;
1866	>
1867	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1868	>	assertTrue(fst.complete(w1));
1869	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1870	>	assertTrue(snd.complete(w2));
1871	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1872	>
1873	>	checkCompletedWithWrappedException(h1, r1.ex);
1874	>	checkCompletedWithWrappedException(h2, r2.ex);
1875	>	checkCompletedWithWrappedException(h3, r3.ex);
1876	>	r1.assertInvoked();
1877	>	r2.assertInvoked();
1878	>	r3.assertInvoked();
1879	>	checkCompletedNormally(f, v1);
1880	>	checkCompletedNormally(g, v2);
1881	>	}}
1882
1883		/**
1884	<	* runAfterBoth result completes normally after normal
1884	>	* thenAcceptBoth result completes normally after normal
1885		* completion of sources
1886		*/
1887	<	public void testRunAfterBoth_normalCompletion1() {
1887	>	public void testThenAcceptBoth_normalCompletion() {
1888		for (ExecutionMode m : ExecutionMode.values())
1889	+	for (boolean fFirst : new boolean[] { true, false })
1890		for (Integer v1 : new Integer[] { 1, null })
1891	<	for (Integer v2 : new Integer[] { 2, null }) {
1892	<
1891	>	for (Integer v2 : new Integer[] { 2, null })
1892	>	{
1893		final CompletableFuture<Integer> f = new CompletableFuture<>();
1894		final CompletableFuture<Integer> g = new CompletableFuture<>();
1895	<	final Noop r = new Noop();
1896	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1897	<
1898	<	f.complete(v1);
1899	<	checkIncomplete(h);
1900	<	assertFalse(r.ran);
1901	<	g.complete(v2);
1902	<
1903	<	checkCompletedNormally(h, null);
1904	<	assertTrue(r.ran);
1895	>	final SubtractAction r1 = new SubtractAction(m);
1896	>	final SubtractAction r2 = new SubtractAction(m);
1897	>	final SubtractAction r3 = new SubtractAction(m);
1898	>
1899	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1900	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1901	>	final Integer w1 =  fFirst ? v1 : v2;
1902	>	final Integer w2 = !fFirst ? v1 : v2;
1903	>
1904	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1905	>	assertTrue(fst.complete(w1));
1906	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1907	>	checkIncomplete(h1);
1908	>	checkIncomplete(h2);
1909	>	r1.assertNotInvoked();
1910	>	r2.assertNotInvoked();
1911	>	assertTrue(snd.complete(w2));
1912	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1913	>
1914	>	checkCompletedNormally(h1, null);
1915	>	checkCompletedNormally(h2, null);
1916	>	checkCompletedNormally(h3, null);
1917	>	r1.assertValue(subtract(v1, v2));
1918	>	r2.assertValue(subtract(v1, v2));
1919	>	r3.assertValue(subtract(v1, v2));
1920		checkCompletedNormally(f, v1);
1921		checkCompletedNormally(g, v2);
1922	<	}
1003	<	}
1922	>	}}
1923
1924	<	public void testRunAfterBoth_normalCompletion2() {
1924	>	/**
1925	>	* thenAcceptBoth result completes exceptionally after exceptional
1926	>	* completion of either source
1927	>	*/
1928	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1929		for (ExecutionMode m : ExecutionMode.values())
1930	+	for (boolean fFirst : new boolean[] { true, false })
1931	+	for (boolean failFirst : new boolean[] { true, false })
1932		for (Integer v1 : new Integer[] { 1, null })
1933	<	for (Integer v2 : new Integer[] { 2, null }) {
1009	<
1933	>	{
1934		final CompletableFuture<Integer> f = new CompletableFuture<>();
1935		final CompletableFuture<Integer> g = new CompletableFuture<>();
1936	<	final Noop r = new Noop();
1937	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1936	>	final CFException ex = new CFException();
1937	>	final SubtractAction r1 = new SubtractAction(m);
1938	>	final SubtractAction r2 = new SubtractAction(m);
1939	>	final SubtractAction r3 = new SubtractAction(m);
1940	>
1941	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1942	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1943	>	final Callable<Boolean> complete1 = failFirst ?
1944	>	() -> fst.completeExceptionally(ex) :
1945	>	() -> fst.complete(v1);
1946	>	final Callable<Boolean> complete2 = failFirst ?
1947	>	() -> snd.complete(v1) :
1948	>	() -> snd.completeExceptionally(ex);
1949	>
1950	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1951	>	assertTrue(complete1.call());
1952	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1953	>	checkIncomplete(h1);
1954	>	checkIncomplete(h2);
1955	>	assertTrue(complete2.call());
1956	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1957	>
1958	>	checkCompletedWithWrappedException(h1, ex);
1959	>	checkCompletedWithWrappedException(h2, ex);
1960	>	checkCompletedWithWrappedException(h3, ex);
1961	>	r1.assertNotInvoked();
1962	>	r2.assertNotInvoked();
1963	>	r3.assertNotInvoked();
1964	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1965	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1966	>	}}
1967
1968	<	g.complete(v2);
1969	<	checkIncomplete(h);
1970	<	assertFalse(r.ran);
1971	<	f.complete(v1);
1968	>	/**
1969	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1970	>	*/
1971	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1972	>	for (ExecutionMode m : ExecutionMode.values())
1973	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1974	>	for (boolean fFirst : new boolean[] { true, false })
1975	>	for (boolean failFirst : new boolean[] { true, false })
1976	>	for (Integer v1 : new Integer[] { 1, null })
1977	>	{
1978	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1979	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1980	>	final SubtractAction r1 = new SubtractAction(m);
1981	>	final SubtractAction r2 = new SubtractAction(m);
1982	>	final SubtractAction r3 = new SubtractAction(m);
1983	>
1984	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1985	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1986	>	final Callable<Boolean> complete1 = failFirst ?
1987	>	() -> fst.cancel(mayInterruptIfRunning) :
1988	>	() -> fst.complete(v1);
1989	>	final Callable<Boolean> complete2 = failFirst ?
1990	>	() -> snd.complete(v1) :
1991	>	() -> snd.cancel(mayInterruptIfRunning);
1992	>
1993	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1994	>	assertTrue(complete1.call());
1995	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1996	>	checkIncomplete(h1);
1997	>	checkIncomplete(h2);
1998	>	assertTrue(complete2.call());
1999	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2000	>
2001	>	checkCompletedWithWrappedCancellationException(h1);
2002	>	checkCompletedWithWrappedCancellationException(h2);
2003	>	checkCompletedWithWrappedCancellationException(h3);
2004	>	r1.assertNotInvoked();
2005	>	r2.assertNotInvoked();
2006	>	r3.assertNotInvoked();
2007	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2008	>	checkCancelled(failFirst ? fst : snd);
2009	>	}}
2010
2011	<	checkCompletedNormally(h, null);
2012	<	assertTrue(r.ran);
2011	>	/**
2012	>	* thenAcceptBoth result completes exceptionally if action does
2013	>	*/
2014	>	public void testThenAcceptBoth_actionFailed() {
2015	>	for (ExecutionMode m : ExecutionMode.values())
2016	>	for (boolean fFirst : new boolean[] { true, false })
2017	>	for (Integer v1 : new Integer[] { 1, null })
2018	>	for (Integer v2 : new Integer[] { 2, null })
2019	>	{
2020	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2021	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2022	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
2023	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
2024	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
2025	>
2026	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2027	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2028	>	final Integer w1 =  fFirst ? v1 : v2;
2029	>	final Integer w2 = !fFirst ? v1 : v2;
2030	>
2031	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
2032	>	assertTrue(fst.complete(w1));
2033	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
2034	>	assertTrue(snd.complete(w2));
2035	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2036	>
2037	>	checkCompletedWithWrappedException(h1, r1.ex);
2038	>	checkCompletedWithWrappedException(h2, r2.ex);
2039	>	checkCompletedWithWrappedException(h3, r3.ex);
2040	>	r1.assertInvoked();
2041	>	r2.assertInvoked();
2042	>	r3.assertInvoked();
2043		checkCompletedNormally(f, v1);
2044		checkCompletedNormally(g, v2);
2045	<	}
1025	<	}
2045	>	}}
2046
2047	<	public void testRunAfterBoth_normalCompletion3() {
2047	>	/**
2048	>	* runAfterBoth result completes normally after normal
2049	>	* completion of sources
2050	>	*/
2051	>	public void testRunAfterBoth_normalCompletion() {
2052		for (ExecutionMode m : ExecutionMode.values())
2053	+	for (boolean fFirst : new boolean[] { true, false })
2054		for (Integer v1 : new Integer[] { 1, null })
2055	<	for (Integer v2 : new Integer[] { 2, null }) {
2055	>	for (Integer v2 : new Integer[] { 2, null })
2056	>	{
2057	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2058	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2059	>	final Noop r1 = new Noop(m);
2060	>	final Noop r2 = new Noop(m);
2061	>	final Noop r3 = new Noop(m);
2062	>
2063	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2064	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2065	>	final Integer w1 =  fFirst ? v1 : v2;
2066	>	final Integer w2 = !fFirst ? v1 : v2;
2067	>
2068	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2069	>	assertTrue(fst.complete(w1));
2070	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2071	>	checkIncomplete(h1);
2072	>	checkIncomplete(h2);
2073	>	r1.assertNotInvoked();
2074	>	r2.assertNotInvoked();
2075	>	assertTrue(snd.complete(w2));
2076	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2077	>
2078	>	checkCompletedNormally(h1, null);
2079	>	checkCompletedNormally(h2, null);
2080	>	checkCompletedNormally(h3, null);
2081	>	r1.assertInvoked();
2082	>	r2.assertInvoked();
2083	>	r3.assertInvoked();
2084	>	checkCompletedNormally(f, v1);
2085	>	checkCompletedNormally(g, v2);
2086	>	}}
2087
2088	+	/**
2089	+	* runAfterBoth result completes exceptionally after exceptional
2090	+	* completion of either source
2091	+	*/
2092	+	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2093	+	for (ExecutionMode m : ExecutionMode.values())
2094	+	for (boolean fFirst : new boolean[] { true, false })
2095	+	for (boolean failFirst : new boolean[] { true, false })
2096	+	for (Integer v1 : new Integer[] { 1, null })
2097	+	{
2098		final CompletableFuture<Integer> f = new CompletableFuture<>();
2099		final CompletableFuture<Integer> g = new CompletableFuture<>();
2100	<	final Noop r = new Noop();
2100	>	final CFException ex = new CFException();
2101	>	final Noop r1 = new Noop(m);
2102	>	final Noop r2 = new Noop(m);
2103	>	final Noop r3 = new Noop(m);
2104	>
2105	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2106	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2107	>	final Callable<Boolean> complete1 = failFirst ?
2108	>	() -> fst.completeExceptionally(ex) :
2109	>	() -> fst.complete(v1);
2110	>	final Callable<Boolean> complete2 = failFirst ?
2111	>	() -> snd.complete(v1) :
2112	>	() -> snd.completeExceptionally(ex);
2113	>
2114	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2115	>	assertTrue(complete1.call());
2116	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2117	>	checkIncomplete(h1);
2118	>	checkIncomplete(h2);
2119	>	assertTrue(complete2.call());
2120	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2121	>
2122	>	checkCompletedWithWrappedException(h1, ex);
2123	>	checkCompletedWithWrappedException(h2, ex);
2124	>	checkCompletedWithWrappedException(h3, ex);
2125	>	r1.assertNotInvoked();
2126	>	r2.assertNotInvoked();
2127	>	r3.assertNotInvoked();
2128	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2129	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2130	>	}}
2131
2132	<	g.complete(v2);
2133	<	f.complete(v1);
2134	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2132	>	/**
2133	>	* runAfterBoth result completes exceptionally if either source cancelled
2134	>	*/
2135	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2136	>	for (ExecutionMode m : ExecutionMode.values())
2137	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2138	>	for (boolean fFirst : new boolean[] { true, false })
2139	>	for (boolean failFirst : new boolean[] { true, false })
2140	>	for (Integer v1 : new Integer[] { 1, null })
2141	>	{
2142	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2143	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2144	>	final Noop r1 = new Noop(m);
2145	>	final Noop r2 = new Noop(m);
2146	>	final Noop r3 = new Noop(m);
2147	>
2148	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2149	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2150	>	final Callable<Boolean> complete1 = failFirst ?
2151	>	() -> fst.cancel(mayInterruptIfRunning) :
2152	>	() -> fst.complete(v1);
2153	>	final Callable<Boolean> complete2 = failFirst ?
2154	>	() -> snd.complete(v1) :
2155	>	() -> snd.cancel(mayInterruptIfRunning);
2156	>
2157	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2158	>	assertTrue(complete1.call());
2159	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2160	>	checkIncomplete(h1);
2161	>	checkIncomplete(h2);
2162	>	assertTrue(complete2.call());
2163	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2164	>
2165	>	checkCompletedWithWrappedCancellationException(h1);
2166	>	checkCompletedWithWrappedCancellationException(h2);
2167	>	checkCompletedWithWrappedCancellationException(h3);
2168	>	r1.assertNotInvoked();
2169	>	r2.assertNotInvoked();
2170	>	r3.assertNotInvoked();
2171	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2172	>	checkCancelled(failFirst ? fst : snd);
2173	>	}}
2174
2175	<	checkCompletedNormally(h, null);
2176	<	assertTrue(r.ran);
2175	>	/**
2176	>	* runAfterBoth result completes exceptionally if action does
2177	>	*/
2178	>	public void testRunAfterBoth_actionFailed() {
2179	>	for (ExecutionMode m : ExecutionMode.values())
2180	>	for (boolean fFirst : new boolean[] { true, false })
2181	>	for (Integer v1 : new Integer[] { 1, null })
2182	>	for (Integer v2 : new Integer[] { 2, null })
2183	>	{
2184	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2185	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2186	>	final FailingRunnable r1 = new FailingRunnable(m);
2187	>	final FailingRunnable r2 = new FailingRunnable(m);
2188	>	final FailingRunnable r3 = new FailingRunnable(m);
2189	>
2190	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2191	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2192	>	final Integer w1 =  fFirst ? v1 : v2;
2193	>	final Integer w2 = !fFirst ? v1 : v2;
2194	>
2195	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2196	>	assertTrue(fst.complete(w1));
2197	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2198	>	assertTrue(snd.complete(w2));
2199	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2200	>
2201	>	checkCompletedWithWrappedException(h1, r1.ex);
2202	>	checkCompletedWithWrappedException(h2, r2.ex);
2203	>	checkCompletedWithWrappedException(h3, r3.ex);
2204	>	r1.assertInvoked();
2205	>	r2.assertInvoked();
2206	>	r3.assertInvoked();
2207		checkCompletedNormally(f, v1);
2208		checkCompletedNormally(g, v2);
2209	<	}
1045	<	}
2209	>	}}
2210
2211	<	public void testRunAfterBoth_normalCompletion4() {
2211	>	/**
2212	>	* applyToEither result completes normally after normal completion
2213	>	* of either source
2214	>	*/
2215	>	public void testApplyToEither_normalCompletion() {
2216		for (ExecutionMode m : ExecutionMode.values())
2217		for (Integer v1 : new Integer[] { 1, null })
2218	<	for (Integer v2 : new Integer[] { 2, null }) {
2219	<
2218	>	for (Integer v2 : new Integer[] { 2, null })
2219	>	{
2220		final CompletableFuture<Integer> f = new CompletableFuture<>();
2221		final CompletableFuture<Integer> g = new CompletableFuture<>();
2222	<	final Noop r = new Noop();
2222	>	final IncFunction[] rs = new IncFunction[6];
2223	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2224
2225	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2226	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2227	+	checkIncomplete(h0);
2228	+	checkIncomplete(h1);
2229	+	rs[0].assertNotInvoked();
2230	+	rs[1].assertNotInvoked();
2231		f.complete(v1);
2232	+	checkCompletedNormally(h0, inc(v1));
2233	+	checkCompletedNormally(h1, inc(v1));
2234	+	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2235	+	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2236	+	checkCompletedNormally(h2, inc(v1));
2237	+	checkCompletedNormally(h3, inc(v1));
2238		g.complete(v2);
1058	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2239
2240	<	checkCompletedNormally(h, null);
2241	<	assertTrue(r.ran);
2240	>	// unspecified behavior - both source completions available
2241	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2242	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2243	>	rs[4].assertValue(h4.join());
2244	>	rs[5].assertValue(h5.join());
2245	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2246	>	Objects.equals(inc(v2), h4.join()));
2247	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2248	>	Objects.equals(inc(v2), h5.join()));
2249	>
2250		checkCompletedNormally(f, v1);
2251		checkCompletedNormally(g, v2);
2252	<	}
2253	<	}
2252	>	checkCompletedNormally(h0, inc(v1));
2253	>	checkCompletedNormally(h1, inc(v1));
2254	>	checkCompletedNormally(h2, inc(v1));
2255	>	checkCompletedNormally(h3, inc(v1));
2256	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2257	>	}}
2258
2259		/**
2260	<	* runAfterBoth result completes exceptionally after exceptional
2260	>	* applyToEither result completes exceptionally after exceptional
2261		* completion of either source
2262		*/
2263	<	public void testRunAfterBoth_exceptionalCompletion1() {
2263	>	public void testApplyToEither_exceptionalCompletion() {
2264		for (ExecutionMode m : ExecutionMode.values())
2265	<	for (Integer v1 : new Integer[] { 1, null }) {
2266	<
2265	>	for (Integer v1 : new Integer[] { 1, null })
2266	>	{
2267		final CompletableFuture<Integer> f = new CompletableFuture<>();
2268		final CompletableFuture<Integer> g = new CompletableFuture<>();
1077	–	final Noop r = new Noop();
1078	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2269		final CFException ex = new CFException();
2270	+	final IncFunction[] rs = new IncFunction[6];
2271	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2272
2273	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2274	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2275	+	checkIncomplete(h0);
2276	+	checkIncomplete(h1);
2277	+	rs[0].assertNotInvoked();
2278	+	rs[1].assertNotInvoked();
2279		f.completeExceptionally(ex);
2280	<	checkIncomplete(h);
2280	>	checkCompletedWithWrappedException(h0, ex);
2281	>	checkCompletedWithWrappedException(h1, ex);
2282	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2283	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2284	>	checkCompletedWithWrappedException(h2, ex);
2285	>	checkCompletedWithWrappedException(h3, ex);
2286		g.complete(v1);
2287
2288	<	checkCompletedWithWrappedCFException(h, ex);
2289	<	checkCompletedWithWrappedCFException(f, ex);
2290	<	assertFalse(r.ran);
2291	<	checkCompletedNormally(g, v1);
2288	>	// unspecified behavior - both source completions available
2289	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2290	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2291	>	try {
2292	>	assertEquals(inc(v1), h4.join());
2293	>	rs[4].assertValue(inc(v1));
2294	>	} catch (CompletionException ok) {
2295	>	checkCompletedWithWrappedException(h4, ex);
2296	>	rs[4].assertNotInvoked();
2297	>	}
2298	>	try {
2299	>	assertEquals(inc(v1), h5.join());
2300	>	rs[5].assertValue(inc(v1));
2301	>	} catch (CompletionException ok) {
2302	>	checkCompletedWithWrappedException(h5, ex);
2303	>	rs[5].assertNotInvoked();
2304		}
1090	–	}
2305
2306	<	public void testRunAfterBoth_exceptionalCompletion2() {
2307	<	for (ExecutionMode m : ExecutionMode.values())
2308	<	for (Integer v1 : new Integer[] { 1, null }) {
2306	>	checkCompletedExceptionally(f, ex);
2307	>	checkCompletedNormally(g, v1);
2308	>	checkCompletedWithWrappedException(h0, ex);
2309	>	checkCompletedWithWrappedException(h1, ex);
2310	>	checkCompletedWithWrappedException(h2, ex);
2311	>	checkCompletedWithWrappedException(h3, ex);
2312	>	checkCompletedWithWrappedException(h4, ex);
2313	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2314	>	}}
2315
2316	+	public void testApplyToEither_exceptionalCompletion2() {
2317	+	for (ExecutionMode m : ExecutionMode.values())
2318	+	for (boolean fFirst : new boolean[] { true, false })
2319	+	for (Integer v1 : new Integer[] { 1, null })
2320	+	{
2321		final CompletableFuture<Integer> f = new CompletableFuture<>();
2322		final CompletableFuture<Integer> g = new CompletableFuture<>();
1098	–	final Noop r = new Noop();
1099	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2323		final CFException ex = new CFException();
2324	+	final IncFunction[] rs = new IncFunction[6];
2325	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2326
2327	<	g.completeExceptionally(ex);
2328	<	checkIncomplete(h);
2329	<	f.complete(v1);
2327	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2328	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2329	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2330	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2331	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2332	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2333
2334	<	checkCompletedWithWrappedCFException(h, ex);
2335	<	checkCompletedWithWrappedCFException(g, ex);
2336	<	assertFalse(r.ran);
2337	<	checkCompletedNormally(f, v1);
2334	>	// unspecified behavior - both source completions available
2335	>	try {
2336	>	assertEquals(inc(v1), h0.join());
2337	>	rs[0].assertValue(inc(v1));
2338	>	} catch (CompletionException ok) {
2339	>	checkCompletedWithWrappedException(h0, ex);
2340	>	rs[0].assertNotInvoked();
2341	>	}
2342	>	try {
2343	>	assertEquals(inc(v1), h1.join());
2344	>	rs[1].assertValue(inc(v1));
2345	>	} catch (CompletionException ok) {
2346	>	checkCompletedWithWrappedException(h1, ex);
2347	>	rs[1].assertNotInvoked();
2348	>	}
2349	>	try {
2350	>	assertEquals(inc(v1), h2.join());
2351	>	rs[2].assertValue(inc(v1));
2352	>	} catch (CompletionException ok) {
2353	>	checkCompletedWithWrappedException(h2, ex);
2354	>	rs[2].assertNotInvoked();
2355	>	}
2356	>	try {
2357	>	assertEquals(inc(v1), h3.join());
2358	>	rs[3].assertValue(inc(v1));
2359	>	} catch (CompletionException ok) {
2360	>	checkCompletedWithWrappedException(h3, ex);
2361	>	rs[3].assertNotInvoked();
2362		}
1111	–	}
2363
2364	<	public void testRunAfterBoth_exceptionalCompletion3() {
2365	<	for (ExecutionMode m : ExecutionMode.values())
2366	<	for (Integer v1 : new Integer[] { 1, null }) {
2364	>	checkCompletedNormally(f, v1);
2365	>	checkCompletedExceptionally(g, ex);
2366	>	}}
2367
2368	+	/**
2369	+	* applyToEither result completes exceptionally if either source cancelled
2370	+	*/
2371	+	public void testApplyToEither_sourceCancelled() {
2372	+	for (ExecutionMode m : ExecutionMode.values())
2373	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2374	+	for (Integer v1 : new Integer[] { 1, null })
2375	+	{
2376		final CompletableFuture<Integer> f = new CompletableFuture<>();
2377		final CompletableFuture<Integer> g = new CompletableFuture<>();
2378	<	final Noop r = new Noop();
2379	<	final CFException ex = new CFException();
2378	>	final IncFunction[] rs = new IncFunction[6];
2379	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2380
2381	<	g.completeExceptionally(ex);
2382	<	f.complete(v1);
2383	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2381	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2382	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2383	>	checkIncomplete(h0);
2384	>	checkIncomplete(h1);
2385	>	rs[0].assertNotInvoked();
2386	>	rs[1].assertNotInvoked();
2387	>	f.cancel(mayInterruptIfRunning);
2388	>	checkCompletedWithWrappedCancellationException(h0);
2389	>	checkCompletedWithWrappedCancellationException(h1);
2390	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2391	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2392	>	checkCompletedWithWrappedCancellationException(h2);
2393	>	checkCompletedWithWrappedCancellationException(h3);
2394	>	g.complete(v1);
2395
2396	<	checkCompletedWithWrappedCFException(h, ex);
2397	<	checkCompletedWithWrappedCFException(g, ex);
2398	<	assertFalse(r.ran);
2399	<	checkCompletedNormally(f, v1);
2396	>	// unspecified behavior - both source completions available
2397	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2398	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2399	>	try {
2400	>	assertEquals(inc(v1), h4.join());
2401	>	rs[4].assertValue(inc(v1));
2402	>	} catch (CompletionException ok) {
2403	>	checkCompletedWithWrappedCancellationException(h4);
2404	>	rs[4].assertNotInvoked();
2405	>	}
2406	>	try {
2407	>	assertEquals(inc(v1), h5.join());
2408	>	rs[5].assertValue(inc(v1));
2409	>	} catch (CompletionException ok) {
2410	>	checkCompletedWithWrappedCancellationException(h5);
2411	>	rs[5].assertNotInvoked();
2412		}
1131	–	}
2413
2414	<	public void testRunAfterBoth_exceptionalCompletion4() {
2415	<	for (ExecutionMode m : ExecutionMode.values())
2416	<	for (Integer v1 : new Integer[] { 1, null }) {
2414	>	checkCancelled(f);
2415	>	checkCompletedNormally(g, v1);
2416	>	checkCompletedWithWrappedCancellationException(h0);
2417	>	checkCompletedWithWrappedCancellationException(h1);
2418	>	checkCompletedWithWrappedCancellationException(h2);
2419	>	checkCompletedWithWrappedCancellationException(h3);
2420	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2421	>	}}
2422
2423	+	public void testApplyToEither_sourceCancelled2() {
2424	+	for (ExecutionMode m : ExecutionMode.values())
2425	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2426	+	for (boolean fFirst : new boolean[] { true, false })
2427	+	for (Integer v1 : new Integer[] { 1, null })
2428	+	{
2429		final CompletableFuture<Integer> f = new CompletableFuture<>();
2430		final CompletableFuture<Integer> g = new CompletableFuture<>();
2431	<	final Noop r = new Noop();
2432	<	final CFException ex = new CFException();
2431	>	final IncFunction[] rs = new IncFunction[6];
2432	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2433
2434	<	f.completeExceptionally(ex);
2435	<	g.complete(v1);
2436	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2434	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2435	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2436	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2437	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2438	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2439	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2440
2441	<	checkCompletedWithWrappedCFException(h, ex);
2442	<	checkCompletedWithWrappedCFException(f, ex);
2443	<	assertFalse(r.ran);
2444	<	checkCompletedNormally(g, v1);
2441	>	// unspecified behavior - both source completions available
2442	>	try {
2443	>	assertEquals(inc(v1), h0.join());
2444	>	rs[0].assertValue(inc(v1));
2445	>	} catch (CompletionException ok) {
2446	>	checkCompletedWithWrappedCancellationException(h0);
2447	>	rs[0].assertNotInvoked();
2448		}
2449	<	}
2449	>	try {
2450	>	assertEquals(inc(v1), h1.join());
2451	>	rs[1].assertValue(inc(v1));
2452	>	} catch (CompletionException ok) {
2453	>	checkCompletedWithWrappedCancellationException(h1);
2454	>	rs[1].assertNotInvoked();
2455	>	}
2456	>	try {
2457	>	assertEquals(inc(v1), h2.join());
2458	>	rs[2].assertValue(inc(v1));
2459	>	} catch (CompletionException ok) {
2460	>	checkCompletedWithWrappedCancellationException(h2);
2461	>	rs[2].assertNotInvoked();
2462	>	}
2463	>	try {
2464	>	assertEquals(inc(v1), h3.join());
2465	>	rs[3].assertValue(inc(v1));
2466	>	} catch (CompletionException ok) {
2467	>	checkCompletedWithWrappedCancellationException(h3);
2468	>	rs[3].assertNotInvoked();
2469	>	}
2470	>
2471	>	checkCompletedNormally(f, v1);
2472	>	checkCancelled(g);
2473	>	}}
2474
2475		/**
2476	<	* runAfterBoth result completes exceptionally if action does
2476	>	* applyToEither result completes exceptionally if action does
2477		*/
2478	<	public void testRunAfterBoth_actionFailed1() {
2478	>	public void testApplyToEither_actionFailed() {
2479		for (ExecutionMode m : ExecutionMode.values())
2480		for (Integer v1 : new Integer[] { 1, null })
2481	<	for (Integer v2 : new Integer[] { 2, null }) {
2482	<
2481	>	for (Integer v2 : new Integer[] { 2, null })
2482	>	{
2483		final CompletableFuture<Integer> f = new CompletableFuture<>();
2484		final CompletableFuture<Integer> g = new CompletableFuture<>();
2485	<	final FailingNoop r = new FailingNoop();
2486	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2485	>	final FailingFunction[] rs = new FailingFunction[6];
2486	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2487
2488	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2489	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2490		f.complete(v1);
2491	<	checkIncomplete(h);
2491	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2492	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2493	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2494	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2495	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2496	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2497	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2498	>
2499		g.complete(v2);
2500
2501	<	checkCompletedWithWrappedCFException(h);
2501	>	// unspecified behavior - both source completions available
2502	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2503	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2504	>
2505	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2506	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2507	>	Objects.equals(v2, rs[4].value));
2508	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2509	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2510	>	Objects.equals(v2, rs[5].value));
2511	>
2512		checkCompletedNormally(f, v1);
2513		checkCompletedNormally(g, v2);
2514	<	}
1174	<	}
2514	>	}}
2515
2516	<	public void testRunAfterBoth_actionFailed2() {
2516	>	/**
2517	>	* acceptEither result completes normally after normal completion
2518	>	* of either source
2519	>	*/
2520	>	public void testAcceptEither_normalCompletion() {
2521		for (ExecutionMode m : ExecutionMode.values())
2522		for (Integer v1 : new Integer[] { 1, null })
2523	<	for (Integer v2 : new Integer[] { 2, null }) {
2524	<
2523	>	for (Integer v2 : new Integer[] { 2, null })
2524	>	{
2525		final CompletableFuture<Integer> f = new CompletableFuture<>();
2526		final CompletableFuture<Integer> g = new CompletableFuture<>();
2527	<	final FailingNoop r = new FailingNoop();
2528	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2527	>	final NoopConsumer[] rs = new NoopConsumer[6];
2528	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2529
2530	<	g.complete(v2);
2531	<	checkIncomplete(h);
2530	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2531	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2532	>	checkIncomplete(h0);
2533	>	checkIncomplete(h1);
2534	>	rs[0].assertNotInvoked();
2535	>	rs[1].assertNotInvoked();
2536		f.complete(v1);
2537	+	checkCompletedNormally(h0, null);
2538	+	checkCompletedNormally(h1, null);
2539	+	rs[0].assertValue(v1);
2540	+	rs[1].assertValue(v1);
2541	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2542	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2543	+	checkCompletedNormally(h2, null);
2544	+	checkCompletedNormally(h3, null);
2545	+	rs[2].assertValue(v1);
2546	+	rs[3].assertValue(v1);
2547	+	g.complete(v2);
2548	+
2549	+	// unspecified behavior - both source completions available
2550	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2551	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2552	+	checkCompletedNormally(h4, null);
2553	+	checkCompletedNormally(h5, null);
2554	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2555	+	Objects.equals(v2, rs[4].value));
2556	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2557	+	Objects.equals(v2, rs[5].value));
2558
1190	–	checkCompletedWithWrappedCFException(h);
2559		checkCompletedNormally(f, v1);
2560		checkCompletedNormally(g, v2);
2561	<	}
2562	<	}
2561	>	checkCompletedNormally(h0, null);
2562	>	checkCompletedNormally(h1, null);
2563	>	checkCompletedNormally(h2, null);
2564	>	checkCompletedNormally(h3, null);
2565	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2566	>	}}
2567
2568		/**
2569	<	* runAfterBoth result completes exceptionally if either source cancelled
2569	>	* acceptEither result completes exceptionally after exceptional
2570	>	* completion of either source
2571		*/
2572	<	public void testRunAfterBoth_sourceCancelled1() {
2572	>	public void testAcceptEither_exceptionalCompletion() {
2573		for (ExecutionMode m : ExecutionMode.values())
2574	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2575	<	for (Integer v1 : new Integer[] { 1, null }) {
1203	<
2574	>	for (Integer v1 : new Integer[] { 1, null })
2575	>	{
2576		final CompletableFuture<Integer> f = new CompletableFuture<>();
2577		final CompletableFuture<Integer> g = new CompletableFuture<>();
2578	<	final Noop r = new Noop();
2579	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2578	>	final CFException ex = new CFException();
2579	>	final NoopConsumer[] rs = new NoopConsumer[6];
2580	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2581	>
2582	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2583	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2584	>	checkIncomplete(h0);
2585	>	checkIncomplete(h1);
2586	>	rs[0].assertNotInvoked();
2587	>	rs[1].assertNotInvoked();
2588	>	f.completeExceptionally(ex);
2589	>	checkCompletedWithWrappedException(h0, ex);
2590	>	checkCompletedWithWrappedException(h1, ex);
2591	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2592	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2593	>	checkCompletedWithWrappedException(h2, ex);
2594	>	checkCompletedWithWrappedException(h3, ex);
2595
1209	–	assertTrue(f.cancel(mayInterruptIfRunning));
1210	–	checkIncomplete(h);
2596		g.complete(v1);
2597
2598	<	checkCompletedWithWrappedCancellationException(h);
2599	<	checkCancelled(f);
2600	<	assertFalse(r.ran);
2601	<	checkCompletedNormally(g, v1);
2598	>	// unspecified behavior - both source completions available
2599	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2600	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2601	>	try {
2602	>	assertNull(h4.join());
2603	>	rs[4].assertValue(v1);
2604	>	} catch (CompletionException ok) {
2605	>	checkCompletedWithWrappedException(h4, ex);
2606	>	rs[4].assertNotInvoked();
2607	>	}
2608	>	try {
2609	>	assertNull(h5.join());
2610	>	rs[5].assertValue(v1);
2611	>	} catch (CompletionException ok) {
2612	>	checkCompletedWithWrappedException(h5, ex);
2613	>	rs[5].assertNotInvoked();
2614		}
1218	–	}
2615
2616	<	public void testRunAfterBoth_sourceCancelled2() {
2617	<	for (ExecutionMode m : ExecutionMode.values())
2618	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2619	<	for (Integer v1 : new Integer[] { 1, null }) {
2616	>	checkCompletedExceptionally(f, ex);
2617	>	checkCompletedNormally(g, v1);
2618	>	checkCompletedWithWrappedException(h0, ex);
2619	>	checkCompletedWithWrappedException(h1, ex);
2620	>	checkCompletedWithWrappedException(h2, ex);
2621	>	checkCompletedWithWrappedException(h3, ex);
2622	>	checkCompletedWithWrappedException(h4, ex);
2623	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2624	>	}}
2625
2626	+	public void testAcceptEither_exceptionalCompletion2() {
2627	+	for (ExecutionMode m : ExecutionMode.values())
2628	+	for (boolean fFirst : new boolean[] { true, false })
2629	+	for (Integer v1 : new Integer[] { 1, null })
2630	+	{
2631		final CompletableFuture<Integer> f = new CompletableFuture<>();
2632		final CompletableFuture<Integer> g = new CompletableFuture<>();
2633	<	final Noop r = new Noop();
2634	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2633	>	final CFException ex = new CFException();
2634	>	final NoopConsumer[] rs = new NoopConsumer[6];
2635	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2636
2637	<	assertTrue(g.cancel(mayInterruptIfRunning));
2638	<	checkIncomplete(h);
2639	<	f.complete(v1);
2637	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2638	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2639	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2640	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2641	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2642	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2643
2644	<	checkCompletedWithWrappedCancellationException(h);
2645	<	checkCancelled(g);
2646	<	assertFalse(r.ran);
2647	<	checkCompletedNormally(f, v1);
2644	>	// unspecified behavior - both source completions available
2645	>	try {
2646	>	assertNull(h0.join());
2647	>	rs[0].assertValue(v1);
2648	>	} catch (CompletionException ok) {
2649	>	checkCompletedWithWrappedException(h0, ex);
2650	>	rs[0].assertNotInvoked();
2651	>	}
2652	>	try {
2653	>	assertNull(h1.join());
2654	>	rs[1].assertValue(v1);
2655	>	} catch (CompletionException ok) {
2656	>	checkCompletedWithWrappedException(h1, ex);
2657	>	rs[1].assertNotInvoked();
2658	>	}
2659	>	try {
2660	>	assertNull(h2.join());
2661	>	rs[2].assertValue(v1);
2662	>	} catch (CompletionException ok) {
2663	>	checkCompletedWithWrappedException(h2, ex);
2664	>	rs[2].assertNotInvoked();
2665	>	}
2666	>	try {
2667	>	assertNull(h3.join());
2668	>	rs[3].assertValue(v1);
2669	>	} catch (CompletionException ok) {
2670	>	checkCompletedWithWrappedException(h3, ex);
2671	>	rs[3].assertNotInvoked();
2672		}
1239	–	}
1240	–
1241	–	public void testRunAfterBoth_sourceCancelled3() {
1242	–	for (ExecutionMode m : ExecutionMode.values())
1243	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1244	–	for (Integer v1 : new Integer[] { 1, null }) {
1245	–
1246	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1247	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1248	–	final Noop r = new Noop();
1249	–
1250	–	assertTrue(g.cancel(mayInterruptIfRunning));
1251	–	f.complete(v1);
1252	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2673
1254	–	checkCompletedWithWrappedCancellationException(h);
1255	–	checkCancelled(g);
1256	–	assertFalse(r.ran);
2674		checkCompletedNormally(f, v1);
2675	<	}
2676	<	}
2675	>	checkCompletedExceptionally(g, ex);
2676	>	}}
2677
2678	<	public void testRunAfterBoth_sourceCancelled4() {
2678	>	/**
2679	>	* acceptEither result completes exceptionally if either source cancelled
2680	>	*/
2681	>	public void testAcceptEither_sourceCancelled() {
2682		for (ExecutionMode m : ExecutionMode.values())
2683		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2684	<	for (Integer v1 : new Integer[] { 1, null }) {
2685	<
2684	>	for (Integer v1 : new Integer[] { 1, null })
2685	>	{
2686		final CompletableFuture<Integer> f = new CompletableFuture<>();
2687		final CompletableFuture<Integer> g = new CompletableFuture<>();
2688	<	final Noop r = new Noop();
2688	>	final NoopConsumer[] rs = new NoopConsumer[6];
2689	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2690	>
2691	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2692	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2693	>	checkIncomplete(h0);
2694	>	checkIncomplete(h1);
2695	>	rs[0].assertNotInvoked();
2696	>	rs[1].assertNotInvoked();
2697	>	f.cancel(mayInterruptIfRunning);
2698	>	checkCompletedWithWrappedCancellationException(h0);
2699	>	checkCompletedWithWrappedCancellationException(h1);
2700	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2701	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2702	>	checkCompletedWithWrappedCancellationException(h2);
2703	>	checkCompletedWithWrappedCancellationException(h3);
2704
1270	–	assertTrue(f.cancel(mayInterruptIfRunning));
2705		g.complete(v1);
1272	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2706
2707	<	checkCompletedWithWrappedCancellationException(h);
2707	>	// unspecified behavior - both source completions available
2708	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2709	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2710	>	try {
2711	>	assertNull(h4.join());
2712	>	rs[4].assertValue(v1);
2713	>	} catch (CompletionException ok) {
2714	>	checkCompletedWithWrappedCancellationException(h4);
2715	>	rs[4].assertNotInvoked();
2716	>	}
2717	>	try {
2718	>	assertNull(h5.join());
2719	>	rs[5].assertValue(v1);
2720	>	} catch (CompletionException ok) {
2721	>	checkCompletedWithWrappedCancellationException(h5);
2722	>	rs[5].assertNotInvoked();
2723	>	}
2724	>
2725		checkCancelled(f);
1276	–	assertFalse(r.ran);
2726		checkCompletedNormally(g, v1);
2727	<	}
2728	<	}
2727	>	checkCompletedWithWrappedCancellationException(h0);
2728	>	checkCompletedWithWrappedCancellationException(h1);
2729	>	checkCompletedWithWrappedCancellationException(h2);
2730	>	checkCompletedWithWrappedCancellationException(h3);
2731	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2732	>	}}
2733
2734		/**
2735	<	* applyToEither result completes normally after normal completion
1283	<	* of either source
2735	>	* acceptEither result completes exceptionally if action does
2736		*/
2737	<	public void testApplyToEither() {
2738	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2739	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2740	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2741	<	f.complete(one);
2742	<	checkCompletedNormally(g, two);
2743	<	f2.complete(one);
2744	<	checkCompletedNormally(g, two);
2745	<
1294	<	f = new CompletableFuture<>();
1295	<	f.complete(one);
1296	<	f2 = new CompletableFuture<>();
1297	<	g = f.applyToEither(f2, inc);
1298	<	checkCompletedNormally(g, two);
1299	<	}
2737	>	public void testAcceptEither_actionFailed() {
2738	>	for (ExecutionMode m : ExecutionMode.values())
2739	>	for (Integer v1 : new Integer[] { 1, null })
2740	>	for (Integer v2 : new Integer[] { 2, null })
2741	>	{
2742	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2743	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2744	>	final FailingConsumer[] rs = new FailingConsumer[6];
2745	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2746
2747	<	/**
2748	<	* applyToEither result completes exceptionally after exceptional
2749	<	* completion of either source
2750	<	*/
2751	<	public void testApplyToEither2() {
2752	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2753	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2754	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2755	<	f.completeExceptionally(new CFException());
2756	<	f2.complete(one);
1311	<	checkCompletedWithWrappedCFException(g);
2747	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2748	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2749	>	f.complete(v1);
2750	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2751	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2752	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2753	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2754	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2755	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2756	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2757
2758	<	f = new CompletableFuture<>();
1314	<	f2 = new CompletableFuture<>();
1315	<	f2.completeExceptionally(new CFException());
1316	<	g = f.applyToEither(f2, inc);
1317	<	checkCompletedWithWrappedCFException(g);
1318	<	}
2758	>	g.complete(v2);
2759
2760	<	/**
2761	<	* applyToEither result completes exceptionally if action does
2762	<	*/
2763	<	public void testApplyToEither3() {
2764	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2765	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2766	<	FailingFunction r = new FailingFunction();
2767	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
2768	<	f2.complete(two);
2769	<	checkCompletedWithWrappedCFException(g);
1330	<	}
2760	>	// unspecified behavior - both source completions available
2761	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2762	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2763	>
2764	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2765	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2766	>	Objects.equals(v2, rs[4].value));
2767	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2768	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2769	>	Objects.equals(v2, rs[5].value));
2770
2771	<	/**
2772	<	* applyToEither result completes exceptionally if either source cancelled
2773	<	*/
1335	<	public void testApplyToEither4() {
1336	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1337	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1338	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1339	<	assertTrue(f.cancel(true));
1340	<	checkCompletedWithWrappedCancellationException(g);
1341	<	f = new CompletableFuture<>();
1342	<	f2 = new CompletableFuture<>();
1343	<	assertTrue(f2.cancel(true));
1344	<	checkCompletedWithWrappedCancellationException(g);
1345	<	}
2771	>	checkCompletedNormally(f, v1);
2772	>	checkCompletedNormally(g, v2);
2773	>	}}
2774
2775		/**
2776	<	* acceptEither result completes normally after normal completion
2776	>	* runAfterEither result completes normally after normal completion
2777		* of either source
2778		*/
2779	<	public void testAcceptEither() {
2780	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2781	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2782	<	IncAction r = new IncAction();
2783	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2784	<	f.complete(one);
2785	<	checkCompletedNormally(g, null);
2786	<	f2.complete(one);
2787	<	checkCompletedNormally(g, null);
2788	<	assertEquals(r.value, 2);
2779	>	public void testRunAfterEither_normalCompletion() {
2780	>	for (ExecutionMode m : ExecutionMode.values())
2781	>	for (Integer v1 : new Integer[] { 1, null })
2782	>	for (Integer v2 : new Integer[] { 2, null })
2783	>	for (boolean pushNop : new boolean[] { true, false })
2784	>	{
2785	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2786	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2787	>	final Noop[] rs = new Noop[6];
2788	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2789
2790	<	r = new IncAction();
2791	<	f = new CompletableFuture<>();
2792	<	f.complete(one);
2793	<	f2 = new CompletableFuture<>();
2794	<	g = f.acceptEither(f2, r);
2795	<	checkCompletedNormally(g, null);
2796	<	assertEquals(r.value, 2);
2797	<	}
2790	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2791	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2792	>	checkIncomplete(h0);
2793	>	checkIncomplete(h1);
2794	>	rs[0].assertNotInvoked();
2795	>	rs[1].assertNotInvoked();
2796	>	if (pushNop) {          // ad hoc test of intra-completion interference
2797	>	m.thenRun(f, () -> {});
2798	>	m.thenRun(g, () -> {});
2799	>	}
2800	>	f.complete(v1);
2801	>	checkCompletedNormally(h0, null);
2802	>	checkCompletedNormally(h1, null);
2803	>	rs[0].assertInvoked();
2804	>	rs[1].assertInvoked();
2805	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2806	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2807	>	checkCompletedNormally(h2, null);
2808	>	checkCompletedNormally(h3, null);
2809	>	rs[2].assertInvoked();
2810	>	rs[3].assertInvoked();
2811	>
2812	>	g.complete(v2);
2813	>
2814	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2815	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2816	>
2817	>	checkCompletedNormally(f, v1);
2818	>	checkCompletedNormally(g, v2);
2819	>	checkCompletedNormally(h0, null);
2820	>	checkCompletedNormally(h1, null);
2821	>	checkCompletedNormally(h2, null);
2822	>	checkCompletedNormally(h3, null);
2823	>	checkCompletedNormally(h4, null);
2824	>	checkCompletedNormally(h5, null);
2825	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2826	>	}}
2827
2828		/**
2829	<	* acceptEither result completes exceptionally after exceptional
2829	>	* runAfterEither result completes exceptionally after exceptional
2830		* completion of either source
2831		*/
2832	<	public void testAcceptEither2() {
2833	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2834	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2835	<	IncAction r = new IncAction();
2836	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2837	<	f.completeExceptionally(new CFException());
2838	<	f2.complete(one);
2839	<	checkCompletedWithWrappedCFException(g);
2832	>	public void testRunAfterEither_exceptionalCompletion() {
2833	>	for (ExecutionMode m : ExecutionMode.values())
2834	>	for (Integer v1 : new Integer[] { 1, null })
2835	>	{
2836	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2837	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2838	>	final CFException ex = new CFException();
2839	>	final Noop[] rs = new Noop[6];
2840	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2841
2842	<	r = new IncAction();
2843	<	f = new CompletableFuture<>();
2844	<	f2 = new CompletableFuture<>();
2845	<	f2.completeExceptionally(new CFException());
2846	<	g = f.acceptEither(f2, r);
2847	<	checkCompletedWithWrappedCFException(g);
2848	<	}
2842	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2843	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2844	>	checkIncomplete(h0);
2845	>	checkIncomplete(h1);
2846	>	rs[0].assertNotInvoked();
2847	>	rs[1].assertNotInvoked();
2848	>	assertTrue(f.completeExceptionally(ex));
2849	>	checkCompletedWithWrappedException(h0, ex);
2850	>	checkCompletedWithWrappedException(h1, ex);
2851	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2852	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2853	>	checkCompletedWithWrappedException(h2, ex);
2854	>	checkCompletedWithWrappedException(h3, ex);
2855	>
2856	>	assertTrue(g.complete(v1));
2857	>
2858	>	// unspecified behavior - both source completions available
2859	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2860	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2861	>	try {
2862	>	assertNull(h4.join());
2863	>	rs[4].assertInvoked();
2864	>	} catch (CompletionException ok) {
2865	>	checkCompletedWithWrappedException(h4, ex);
2866	>	rs[4].assertNotInvoked();
2867	>	}
2868	>	try {
2869	>	assertNull(h5.join());
2870	>	rs[5].assertInvoked();
2871	>	} catch (CompletionException ok) {
2872	>	checkCompletedWithWrappedException(h5, ex);
2873	>	rs[5].assertNotInvoked();
2874	>	}
2875
2876	<	/**
2877	<	* acceptEither result completes exceptionally if action does
2878	<	*/
2879	<	public void testAcceptEither3() {
2880	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2881	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2882	<	FailingConsumer r = new FailingConsumer();
2883	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2884	<	f2.complete(two);
1401	<	checkCompletedWithWrappedCFException(g);
1402	<	}
2876	>	checkCompletedExceptionally(f, ex);
2877	>	checkCompletedNormally(g, v1);
2878	>	checkCompletedWithWrappedException(h0, ex);
2879	>	checkCompletedWithWrappedException(h1, ex);
2880	>	checkCompletedWithWrappedException(h2, ex);
2881	>	checkCompletedWithWrappedException(h3, ex);
2882	>	checkCompletedWithWrappedException(h4, ex);
2883	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2884	>	}}
2885
2886	<	/**
2887	<	* acceptEither result completes exceptionally if either source cancelled
2888	<	*/
2889	<	public void testAcceptEither4() {
2890	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2891	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2892	<	IncAction r = new IncAction();
2893	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2894	<	assertTrue(f.cancel(true));
2895	<	checkCompletedWithWrappedCancellationException(g);
1414	<	f = new CompletableFuture<>();
1415	<	f2 = new CompletableFuture<>();
1416	<	assertTrue(f2.cancel(true));
1417	<	checkCompletedWithWrappedCancellationException(g);
1418	<	}
2886	>	public void testRunAfterEither_exceptionalCompletion2() {
2887	>	for (ExecutionMode m : ExecutionMode.values())
2888	>	for (boolean fFirst : new boolean[] { true, false })
2889	>	for (Integer v1 : new Integer[] { 1, null })
2890	>	{
2891	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2892	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2893	>	final CFException ex = new CFException();
2894	>	final Noop[] rs = new Noop[6];
2895	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2896
2897	<	/**
2898	<	* runAfterEither result completes normally after normal completion
2899	<	* of either source
2900	<	*/
2901	<	public void testRunAfterEither() {
2902	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1426	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1427	<	Noop r = new Noop();
1428	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1429	<	f.complete(one);
1430	<	checkCompletedNormally(g, null);
1431	<	f2.complete(one);
1432	<	checkCompletedNormally(g, null);
1433	<	assertTrue(r.ran);
2897	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2898	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2899	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2900	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2901	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2902	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2903
2904	<	r = new Noop();
2905	<	f = new CompletableFuture<>();
2906	<	f.complete(one);
2907	<	f2 = new CompletableFuture<>();
2908	<	g = f.runAfterEither(f2, r);
2909	<	checkCompletedNormally(g, null);
2910	<	assertTrue(r.ran);
2911	<	}
2904	>	// unspecified behavior - both source completions available
2905	>	try {
2906	>	assertNull(h0.join());
2907	>	rs[0].assertInvoked();
2908	>	} catch (CompletionException ok) {
2909	>	checkCompletedWithWrappedException(h0, ex);
2910	>	rs[0].assertNotInvoked();
2911	>	}
2912	>	try {
2913	>	assertNull(h1.join());
2914	>	rs[1].assertInvoked();
2915	>	} catch (CompletionException ok) {
2916	>	checkCompletedWithWrappedException(h1, ex);
2917	>	rs[1].assertNotInvoked();
2918	>	}
2919	>	try {
2920	>	assertNull(h2.join());
2921	>	rs[2].assertInvoked();
2922	>	} catch (CompletionException ok) {
2923	>	checkCompletedWithWrappedException(h2, ex);
2924	>	rs[2].assertNotInvoked();
2925	>	}
2926	>	try {
2927	>	assertNull(h3.join());
2928	>	rs[3].assertInvoked();
2929	>	} catch (CompletionException ok) {
2930	>	checkCompletedWithWrappedException(h3, ex);
2931	>	rs[3].assertNotInvoked();
2932	>	}
2933	>
2934	>	checkCompletedNormally(f, v1);
2935	>	checkCompletedExceptionally(g, ex);
2936	>	}}
2937
2938		/**
2939	<	* runAfterEither result completes exceptionally after exceptional
1446	<	* completion of either source
2939	>	* runAfterEither result completes exceptionally if either source cancelled
2940		*/
2941	<	public void testRunAfterEither2() {
2942	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2943	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2944	<	Noop r = new Noop();
2945	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2946	<	f.completeExceptionally(new CFException());
2947	<	f2.complete(one);
2948	<	checkCompletedWithWrappedCFException(g);
2941	>	public void testRunAfterEither_sourceCancelled() {
2942	>	for (ExecutionMode m : ExecutionMode.values())
2943	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2944	>	for (Integer v1 : new Integer[] { 1, null })
2945	>	{
2946	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2947	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2948	>	final Noop[] rs = new Noop[6];
2949	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2950
2951	<	r = new Noop();
2952	<	f = new CompletableFuture<>();
2953	<	f2 = new CompletableFuture<>();
2954	<	f2.completeExceptionally(new CFException());
2955	<	g = f.runAfterEither(f2, r);
2956	<	checkCompletedWithWrappedCFException(g);
2957	<	}
2951	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2952	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2953	>	checkIncomplete(h0);
2954	>	checkIncomplete(h1);
2955	>	rs[0].assertNotInvoked();
2956	>	rs[1].assertNotInvoked();
2957	>	f.cancel(mayInterruptIfRunning);
2958	>	checkCompletedWithWrappedCancellationException(h0);
2959	>	checkCompletedWithWrappedCancellationException(h1);
2960	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2961	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2962	>	checkCompletedWithWrappedCancellationException(h2);
2963	>	checkCompletedWithWrappedCancellationException(h3);
2964	>
2965	>	assertTrue(g.complete(v1));
2966	>
2967	>	// unspecified behavior - both source completions available
2968	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2969	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2970	>	try {
2971	>	assertNull(h4.join());
2972	>	rs[4].assertInvoked();
2973	>	} catch (CompletionException ok) {
2974	>	checkCompletedWithWrappedCancellationException(h4);
2975	>	rs[4].assertNotInvoked();
2976	>	}
2977	>	try {
2978	>	assertNull(h5.join());
2979	>	rs[5].assertInvoked();
2980	>	} catch (CompletionException ok) {
2981	>	checkCompletedWithWrappedCancellationException(h5);
2982	>	rs[5].assertNotInvoked();
2983	>	}
2984	>
2985	>	checkCancelled(f);
2986	>	checkCompletedNormally(g, v1);
2987	>	checkCompletedWithWrappedCancellationException(h0);
2988	>	checkCompletedWithWrappedCancellationException(h1);
2989	>	checkCompletedWithWrappedCancellationException(h2);
2990	>	checkCompletedWithWrappedCancellationException(h3);
2991	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2992	>	}}
2993
2994		/**
2995		* runAfterEither result completes exceptionally if action does
2996		*/
2997	<	public void testRunAfterEither3() {
2998	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2999	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3000	<	FailingNoop r = new FailingNoop();
3001	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
3002	<	f2.complete(two);
3003	<	checkCompletedWithWrappedCFException(g);
3004	<	}
2997	>	public void testRunAfterEither_actionFailed() {
2998	>	for (ExecutionMode m : ExecutionMode.values())
2999	>	for (Integer v1 : new Integer[] { 1, null })
3000	>	for (Integer v2 : new Integer[] { 2, null })
3001	>	{
3002	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3003	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3004	>	final FailingRunnable[] rs = new FailingRunnable[6];
3005	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
3006
3007	<	/**
3008	<	* runAfterEither result completes exceptionally if either source cancelled
3009	<	*/
3010	<	public void testRunAfterEither4() {
3011	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3012	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3013	<	Noop r = new Noop();
3014	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
3015	<	assertTrue(f.cancel(true));
3016	<	checkCompletedWithWrappedCancellationException(g);
3017	<	f = new CompletableFuture<>();
3018	<	f2 = new CompletableFuture<>();
3019	<	assertTrue(f2.cancel(true));
3020	<	checkCompletedWithWrappedCancellationException(g);
3021	<	}
3007	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
3008	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
3009	>	assertTrue(f.complete(v1));
3010	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
3011	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
3012	>	checkCompletedWithWrappedException(h0, rs[0].ex);
3013	>	checkCompletedWithWrappedException(h1, rs[1].ex);
3014	>	checkCompletedWithWrappedException(h2, rs[2].ex);
3015	>	checkCompletedWithWrappedException(h3, rs[3].ex);
3016	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
3017	>	assertTrue(g.complete(v2));
3018	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
3019	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
3020	>	checkCompletedWithWrappedException(h4, rs[4].ex);
3021	>	checkCompletedWithWrappedException(h5, rs[5].ex);
3022	>
3023	>	checkCompletedNormally(f, v1);
3024	>	checkCompletedNormally(g, v2);
3025	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
3026	>	}}
3027
3028		/**
3029		* thenCompose result completes normally after normal completion of source
3030		*/
3031	<	public void testThenCompose() {
3032	<	CompletableFuture<Integer> f, g;
3033	<	CompletableFutureInc r;
3034	<
3035	<	f = new CompletableFuture<>();
3036	<	g = f.thenCompose(r = new CompletableFutureInc());
3037	<	f.complete(one);
3038	<	checkCompletedNormally(g, two);
3039	<	assertTrue(r.ran);
3031	>	public void testThenCompose_normalCompletion() {
3032	>	for (ExecutionMode m : ExecutionMode.values())
3033	>	for (boolean createIncomplete : new boolean[] { true, false })
3034	>	for (Integer v1 : new Integer[] { 1, null })
3035	>	{
3036	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3037	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3038	>	if (!createIncomplete) assertTrue(f.complete(v1));
3039	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3040	>	if (createIncomplete) assertTrue(f.complete(v1));
3041
3042	<	f = new CompletableFuture<>();
3043	<	f.complete(one);
3044	<	g = f.thenCompose(r = new CompletableFutureInc());
3045	<	checkCompletedNormally(g, two);
1510	<	assertTrue(r.ran);
1511	<	}
3042	>	checkCompletedNormally(g, inc(v1));
3043	>	checkCompletedNormally(f, v1);
3044	>	r.assertValue(v1);
3045	>	}}
3046
3047		/**
3048		* thenCompose result completes exceptionally after exceptional
3049		* completion of source
3050		*/
3051	<	public void testThenCompose2() {
3052	<	CompletableFuture<Integer> f, g;
3053	<	CompletableFutureInc r;
3054	<
3055	<	f = new CompletableFuture<>();
3056	<	g = f.thenCompose(r = new CompletableFutureInc());
3057	<	f.completeExceptionally(new CFException());
3058	<	checkCompletedWithWrappedCFException(g);
3059	<
3060	<	f = new CompletableFuture<>();
3061	<	f.completeExceptionally(new CFException());
3062	<	g = f.thenCompose(r = new CompletableFutureInc());
3063	<	checkCompletedWithWrappedCFException(g);
3064	<	}
3051	>	public void testThenCompose_exceptionalCompletion() {
3052	>	for (ExecutionMode m : ExecutionMode.values())
3053	>	for (boolean createIncomplete : new boolean[] { true, false })
3054	>	{
3055	>	final CFException ex = new CFException();
3056	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3057	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3058	>	if (!createIncomplete) f.completeExceptionally(ex);
3059	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3060	>	if (createIncomplete) f.completeExceptionally(ex);
3061	>
3062	>	checkCompletedWithWrappedException(g, ex);
3063	>	checkCompletedExceptionally(f, ex);
3064	>	r.assertNotInvoked();
3065	>	}}
3066
3067		/**
3068		* thenCompose result completes exceptionally if action does
3069		*/
3070	<	public void testThenCompose3() {
3071	<	CompletableFuture<Integer> f, g;
3072	<	FailingCompletableFutureFunction r;
3073	<
3074	<	f = new CompletableFuture<>();
3075	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
3076	<	f.complete(one);
3077	<	checkCompletedWithWrappedCFException(g);
3070	>	public void testThenCompose_actionFailed() {
3071	>	for (ExecutionMode m : ExecutionMode.values())
3072	>	for (boolean createIncomplete : new boolean[] { true, false })
3073	>	for (Integer v1 : new Integer[] { 1, null })
3074	>	{
3075	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3076	>	final FailingCompletableFutureFunction r
3077	>	= new FailingCompletableFutureFunction(m);
3078	>	if (!createIncomplete) assertTrue(f.complete(v1));
3079	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3080	>	if (createIncomplete) assertTrue(f.complete(v1));
3081
3082	<	f = new CompletableFuture<>();
3083	<	f.complete(one);
3084	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1547	<	checkCompletedWithWrappedCFException(g);
1548	<	}
3082	>	checkCompletedWithWrappedException(g, r.ex);
3083	>	checkCompletedNormally(f, v1);
3084	>	}}
3085
3086		/**
3087		* thenCompose result completes exceptionally if source cancelled
3088		*/
3089	<	public void testThenCompose4() {
3090	<	CompletableFuture<Integer> f, g;
3091	<	CompletableFutureInc r;
3092	<
3093	<	f = new CompletableFuture<>();
3094	<	g = f.thenCompose(r = new CompletableFutureInc());
3095	<	assertTrue(f.cancel(true));
3096	<	checkCompletedWithWrappedCancellationException(g);
3089	>	public void testThenCompose_sourceCancelled() {
3090	>	for (ExecutionMode m : ExecutionMode.values())
3091	>	for (boolean createIncomplete : new boolean[] { true, false })
3092	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3093	>	{
3094	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3095	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3096	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3097	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3098	>	if (createIncomplete) {
3099	>	checkIncomplete(g);
3100	>	assertTrue(f.cancel(mayInterruptIfRunning));
3101	>	}
3102
1562	–	f = new CompletableFuture<>();
1563	–	assertTrue(f.cancel(true));
1564	–	g = f.thenCompose(r = new CompletableFutureInc());
3103		checkCompletedWithWrappedCancellationException(g);
3104	<	}
3105	<
1568	<	// asyncs
3104	>	checkCancelled(f);
3105	>	}}
3106
3107		/**
3108	<	* thenRunAsync result completes normally after normal completion of source
3108	>	* thenCompose result completes exceptionally if the result of the action does
3109		*/
3110	<	public void testThenRunAsync() {
3111	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3112	<	Noop r = new Noop();
3113	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3114	<	f.complete(null);
3115	<	checkCompletedNormally(g, null);
3110	>	public void testThenCompose_actionReturnsFailingFuture() {
3111	>	for (ExecutionMode m : ExecutionMode.values())
3112	>	for (int order = 0; order < 6; order++)
3113	>	for (Integer v1 : new Integer[] { 1, null })
3114	>	{
3115	>	final CFException ex = new CFException();
3116	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3117	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3118	>	final CompletableFuture<Integer> h;
3119	>	// Test all permutations of orders
3120	>	switch (order) {
3121	>	case 0:
3122	>	assertTrue(f.complete(v1));
3123	>	assertTrue(g.completeExceptionally(ex));
3124	>	h = m.thenCompose(f, (x -> g));
3125	>	break;
3126	>	case 1:
3127	>	assertTrue(f.complete(v1));
3128	>	h = m.thenCompose(f, (x -> g));
3129	>	assertTrue(g.completeExceptionally(ex));
3130	>	break;
3131	>	case 2:
3132	>	assertTrue(g.completeExceptionally(ex));
3133	>	assertTrue(f.complete(v1));
3134	>	h = m.thenCompose(f, (x -> g));
3135	>	break;
3136	>	case 3:
3137	>	assertTrue(g.completeExceptionally(ex));
3138	>	h = m.thenCompose(f, (x -> g));
3139	>	assertTrue(f.complete(v1));
3140	>	break;
3141	>	case 4:
3142	>	h = m.thenCompose(f, (x -> g));
3143	>	assertTrue(f.complete(v1));
3144	>	assertTrue(g.completeExceptionally(ex));
3145	>	break;
3146	>	case 5:
3147	>	h = m.thenCompose(f, (x -> g));
3148	>	assertTrue(f.complete(v1));
3149	>	assertTrue(g.completeExceptionally(ex));
3150	>	break;
3151	>	default: throw new AssertionError();
3152	>	}
3153
3154	<	// reordered version
3155	<	f = new CompletableFuture<>();
3156	<	f.complete(null);
3157	<	r = new Noop();
1584	<	g = f.thenRunAsync(r);
1585	<	checkCompletedNormally(g, null);
1586	<	}
3154	>	checkCompletedExceptionally(g, ex);
3155	>	checkCompletedWithWrappedException(h, ex);
3156	>	checkCompletedNormally(f, v1);
3157	>	}}
3158
3159		/**
3160	<	* thenRunAsync result completes exceptionally after exceptional
3160	>	* exceptionallyCompose result completes normally after normal
3161		* completion of source
3162		*/
3163	<	public void testThenRunAsync2() {
3164	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3165	<	Noop r = new Noop();
3166	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3167	<	f.completeExceptionally(new CFException());
3168	<	try {
3169	<	g.join();
3170	<	shouldThrow();
3171	<	} catch (CompletionException success) {}
3172	<	checkCompletedWithWrappedCFException(g);
3173	<	}
3163	>	public void testExceptionallyCompose_normalCompletion() {
3164	>	for (ExecutionMode m : ExecutionMode.values())
3165	>	for (boolean createIncomplete : new boolean[] { true, false })
3166	>	for (Integer v1 : new Integer[] { 1, null })
3167	>	{
3168	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3169	>	final ExceptionalCompletableFutureFunction r =
3170	>	new ExceptionalCompletableFutureFunction(m);
3171	>	if (!createIncomplete) assertTrue(f.complete(v1));
3172	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3173	>	if (createIncomplete) assertTrue(f.complete(v1));
3174	>
3175	>	checkCompletedNormally(f, v1);
3176	>	checkCompletedNormally(g, v1);
3177	>	r.assertNotInvoked();
3178	>	}}
3179
3180		/**
3181	<	* thenRunAsync result completes exceptionally if action does
3181	>	* exceptionallyCompose result completes normally after exceptional
3182	>	* completion of source
3183		*/
3184	<	public void testThenRunAsync3() {
3185	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3186	<	FailingNoop r = new FailingNoop();
3187	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3188	<	f.complete(null);
3189	<	checkCompletedWithWrappedCFException(g);
3190	<	}
3184	>	public void testExceptionallyCompose_exceptionalCompletion() {
3185	>	for (ExecutionMode m : ExecutionMode.values())
3186	>	for (boolean createIncomplete : new boolean[] { true, false })
3187	>	{
3188	>	final CFException ex = new CFException();
3189	>	final ExceptionalCompletableFutureFunction r =
3190	>	new ExceptionalCompletableFutureFunction(m);
3191	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3192	>	if (!createIncomplete) f.completeExceptionally(ex);
3193	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3194	>	if (createIncomplete) f.completeExceptionally(ex);
3195	>
3196	>	checkCompletedExceptionally(f, ex);
3197	>	checkCompletedNormally(g, r.value);
3198	>	r.assertInvoked();
3199	>	}}
3200
3201		/**
3202	<	* thenRunAsync result completes exceptionally if source cancelled
3202	>	* exceptionallyCompose completes exceptionally on exception if action does
3203		*/
3204	<	public void testThenRunAsync4() {
3205	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3206	<	Noop r = new Noop();
3207	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3208	<	assertTrue(f.cancel(true));
3209	<	checkCompletedWithWrappedCancellationException(g);
3210	<	}
3204	>	public void testExceptionallyCompose_actionFailed() {
3205	>	for (ExecutionMode m : ExecutionMode.values())
3206	>	for (boolean createIncomplete : new boolean[] { true, false })
3207	>	for (Integer v1 : new Integer[] { 1, null })
3208	>	{
3209	>	final CFException ex = new CFException();
3210	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3211	>	final FailingExceptionalCompletableFutureFunction r
3212	>	= new FailingExceptionalCompletableFutureFunction(m);
3213	>	if (!createIncomplete) f.completeExceptionally(ex);
3214	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3215	>	if (createIncomplete) f.completeExceptionally(ex);
3216	>
3217	>	checkCompletedExceptionally(f, ex);
3218	>	checkCompletedWithWrappedException(g, r.ex);
3219	>	r.assertInvoked();
3220	>	}}
3221	>
3222	>
3223	>	// other static methods
3224
3225		/**
3226	<	* thenApplyAsync result completes normally after normal completion of source
3226	>	* allOf(no component futures) returns a future completed normally
3227	>	* with the value null
3228		*/
3229	<	public void testThenApplyAsync() {
3230	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3231	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1632	<	f.complete(one);
1633	<	checkCompletedNormally(g, two);
3229	>	public void testAllOf_empty() throws Exception {
3230	>	CompletableFuture<Void> f = CompletableFuture.allOf();
3231	>	checkCompletedNormally(f, null);
3232		}
3233
3234		/**
3235	<	* thenApplyAsync result completes exceptionally after exceptional
3236	<	* completion of source
3235	>	* allOf returns a future completed normally with the value null
3236	>	* when all components complete normally
3237		*/
3238	<	public void testThenApplyAsync2() {
3239	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3240	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3241	<	f.completeExceptionally(new CFException());
3242	<	checkCompletedWithWrappedCFException(g);
3238	>	public void testAllOf_normal() throws Exception {
3239	>	for (int k = 1; k < 10; k++) {
3240	>	CompletableFuture<Integer>[] fs
3241	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3242	>	for (int i = 0; i < k; i++)
3243	>	fs[i] = new CompletableFuture<>();
3244	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3245	>	for (int i = 0; i < k; i++) {
3246	>	checkIncomplete(f);
3247	>	checkIncomplete(CompletableFuture.allOf(fs));
3248	>	fs[i].complete(one);
3249	>	}
3250	>	checkCompletedNormally(f, null);
3251	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3252	>	}
3253		}
3254
3255	<	/**
3256	<	* thenApplyAsync result completes exceptionally if action does
3257	<	*/
3258	<	public void testThenApplyAsync3() {
3259	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3260	<	FailingFunction r = new FailingFunction();
3261	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
3262	<	f.complete(null);
3263	<	checkCompletedWithWrappedCFException(g);
3255	>	public void testAllOf_normal_backwards() throws Exception {
3256	>	for (int k = 1; k < 10; k++) {
3257	>	CompletableFuture<Integer>[] fs
3258	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3259	>	for (int i = 0; i < k; i++)
3260	>	fs[i] = new CompletableFuture<>();
3261	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3262	>	for (int i = k - 1; i >= 0; i--) {
3263	>	checkIncomplete(f);
3264	>	checkIncomplete(CompletableFuture.allOf(fs));
3265	>	fs[i].complete(one);
3266	>	}
3267	>	checkCompletedNormally(f, null);
3268	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3269	>	}
3270		}
3271
3272	<	/**
3273	<	* thenApplyAsync result completes exceptionally if source cancelled
3274	<	*/
3275	<	public void testThenApplyAsync4() {
3276	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3277	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3278	<	assertTrue(f.cancel(true));
3279	<	checkCompletedWithWrappedCancellationException(g);
3272	>	public void testAllOf_exceptional() throws Exception {
3273	>	for (int k = 1; k < 10; k++) {
3274	>	CompletableFuture<Integer>[] fs
3275	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3276	>	CFException ex = new CFException();
3277	>	for (int i = 0; i < k; i++)
3278	>	fs[i] = new CompletableFuture<>();
3279	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3280	>	for (int i = 0; i < k; i++) {
3281	>	checkIncomplete(f);
3282	>	checkIncomplete(CompletableFuture.allOf(fs));
3283	>	if (i != k / 2) {
3284	>	fs[i].complete(i);
3285	>	checkCompletedNormally(fs[i], i);
3286	>	} else {
3287	>	fs[i].completeExceptionally(ex);
3288	>	checkCompletedExceptionally(fs[i], ex);
3289	>	}
3290	>	}
3291	>	checkCompletedWithWrappedException(f, ex);
3292	>	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3293	>	}
3294		}
3295
3296		/**
3297	<	* thenAcceptAsync result completes normally after normal
1670	<	* completion of source
3297	>	* anyOf(no component futures) returns an incomplete future
3298		*/
3299	<	public void testThenAcceptAsync() {
3300	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3301	<	IncAction r = new IncAction();
3302	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3303	<	f.complete(one);
3304	<	checkCompletedNormally(g, null);
3305	<	assertEquals(r.value, 2);
3306	<	}
3299	>	public void testAnyOf_empty() throws Exception {
3300	>	for (Integer v1 : new Integer[] { 1, null })
3301	>	{
3302	>	CompletableFuture<Object> f = CompletableFuture.anyOf();
3303	>	checkIncomplete(f);
3304	>
3305	>	f.complete(v1);
3306	>	checkCompletedNormally(f, v1);
3307	>	}}
3308
3309		/**
3310	<	* thenAcceptAsync result completes exceptionally after exceptional
3311	<	* completion of source
3310	>	* anyOf returns a future completed normally with a value when
3311	>	* a component future does
3312		*/
3313	<	public void testThenAcceptAsync2() {
3314	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3315	<	IncAction r = new IncAction();
3316	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3317	<	f.completeExceptionally(new CFException());
3318	<	checkCompletedWithWrappedCFException(g);
3313	>	public void testAnyOf_normal() throws Exception {
3314	>	for (int k = 0; k < 10; k++) {
3315	>	CompletableFuture[] fs = new CompletableFuture[k];
3316	>	for (int i = 0; i < k; i++)
3317	>	fs[i] = new CompletableFuture<>();
3318	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3319	>	checkIncomplete(f);
3320	>	for (int i = 0; i < k; i++) {
3321	>	fs[i].complete(i);
3322	>	checkCompletedNormally(f, 0);
3323	>	int x = (int) CompletableFuture.anyOf(fs).join();
3324	>	assertTrue(0 <= x && x <= i);
3325	>	}
3326	>	}
3327	>	}
3328	>	public void testAnyOf_normal_backwards() throws Exception {
3329	>	for (int k = 0; k < 10; k++) {
3330	>	CompletableFuture[] fs = new CompletableFuture[k];
3331	>	for (int i = 0; i < k; i++)
3332	>	fs[i] = new CompletableFuture<>();
3333	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3334	>	checkIncomplete(f);
3335	>	for (int i = k - 1; i >= 0; i--) {
3336	>	fs[i].complete(i);
3337	>	checkCompletedNormally(f, k - 1);
3338	>	int x = (int) CompletableFuture.anyOf(fs).join();
3339	>	assertTrue(i <= x && x <= k - 1);
3340	>	}
3341	>	}
3342		}
3343
3344		/**
3345	<	* thenAcceptAsync result completes exceptionally if action does
3345	>	* anyOf result completes exceptionally when any component does.
3346		*/
3347	<	public void testThenAcceptAsync3() {
3348	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3349	<	FailingConsumer r = new FailingConsumer();
3350	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3351	<	f.complete(null);
3352	<	checkCompletedWithWrappedCFException(g);
3347	>	public void testAnyOf_exceptional() throws Exception {
3348	>	for (int k = 0; k < 10; k++) {
3349	>	CompletableFuture[] fs = new CompletableFuture[k];
3350	>	CFException[] exs = new CFException[k];
3351	>	for (int i = 0; i < k; i++) {
3352	>	fs[i] = new CompletableFuture<>();
3353	>	exs[i] = new CFException();
3354	>	}
3355	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3356	>	checkIncomplete(f);
3357	>	for (int i = 0; i < k; i++) {
3358	>	fs[i].completeExceptionally(exs[i]);
3359	>	checkCompletedWithWrappedException(f, exs[0]);
3360	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3361	>	}
3362	>	}
3363		}
3364
3365	<	/**
3366	<	* thenAcceptAsync result completes exceptionally if source cancelled
3367	<	*/
3368	<	public void testThenAcceptAsync4() {
3369	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3370	<	IncAction r = new IncAction();
3371	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3372	<	assertTrue(f.cancel(true));
3373	<	checkCompletedWithWrappedCancellationException(g);
3365	>	public void testAnyOf_exceptional_backwards() throws Exception {
3366	>	for (int k = 0; k < 10; k++) {
3367	>	CompletableFuture[] fs = new CompletableFuture[k];
3368	>	CFException[] exs = new CFException[k];
3369	>	for (int i = 0; i < k; i++) {
3370	>	fs[i] = new CompletableFuture<>();
3371	>	exs[i] = new CFException();
3372	>	}
3373	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3374	>	checkIncomplete(f);
3375	>	for (int i = k - 1; i >= 0; i--) {
3376	>	fs[i].completeExceptionally(exs[i]);
3377	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3378	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3379	>	}
3380	>	}
3381		}
3382
3383		/**
3384	<	* thenCombineAsync result completes normally after normal
1717	<	* completion of sources
3384	>	* Completion methods throw NullPointerException with null arguments
3385		*/
3386	<	public void testThenCombineAsync() {
3387	<	CompletableFuture<Integer> f, g, h;
3386	>	@SuppressWarnings("FutureReturnValueIgnored")
3387	>	public void testNPE() {
3388	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3389	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3390	>	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3391	>	ThreadExecutor exec = new ThreadExecutor();
3392
3393	<	f = new CompletableFuture<>();
3394	<	g = new CompletableFuture<>();
3395	<	h = f.thenCombineAsync(g, subtract);
3396	<	f.complete(3);
1726	<	checkIncomplete(h);
1727	<	g.complete(1);
1728	<	checkCompletedNormally(h, 2);
3393	>	Runnable[] throwingActions = {
3394	>	() -> CompletableFuture.supplyAsync(null),
3395	>	() -> CompletableFuture.supplyAsync(null, exec),
3396	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3397
3398	<	f = new CompletableFuture<>();
3399	<	g = new CompletableFuture<>();
3400	<	h = f.thenCombineAsync(g, subtract);
1733	<	g.complete(1);
1734	<	checkIncomplete(h);
1735	<	f.complete(3);
1736	<	checkCompletedNormally(h, 2);
3398	>	() -> CompletableFuture.runAsync(null),
3399	>	() -> CompletableFuture.runAsync(null, exec),
3400	>	() -> CompletableFuture.runAsync(() -> {}, null),
3401
3402	<	f = new CompletableFuture<>();
1739	<	g = new CompletableFuture<>();
1740	<	g.complete(1);
1741	<	f.complete(3);
1742	<	h = f.thenCombineAsync(g, subtract);
1743	<	checkCompletedNormally(h, 2);
1744	<	}
3402	>	() -> f.completeExceptionally(null),
3403
3404	<	/**
3405	<	* thenCombineAsync result completes exceptionally after exceptional
3406	<	* completion of either source
3407	<	*/
1750	<	public void testThenCombineAsync2() {
1751	<	CompletableFuture<Integer> f, g, h;
3404	>	() -> f.thenApply(null),
3405	>	() -> f.thenApplyAsync(null),
3406	>	() -> f.thenApplyAsync(x -> x, null),
3407	>	() -> f.thenApplyAsync(null, exec),
3408
3409	<	f = new CompletableFuture<>();
3410	<	g = new CompletableFuture<>();
3411	<	h = f.thenCombineAsync(g, subtract);
3412	<	f.completeExceptionally(new CFException());
1757	<	checkIncomplete(h);
1758	<	g.complete(1);
1759	<	checkCompletedWithWrappedCFException(h);
3409	>	() -> f.thenAccept(null),
3410	>	() -> f.thenAcceptAsync(null),
3411	>	() -> f.thenAcceptAsync(x -> {} , null),
3412	>	() -> f.thenAcceptAsync(null, exec),
3413
3414	<	f = new CompletableFuture<>();
3415	<	g = new CompletableFuture<>();
3416	<	h = f.thenCombineAsync(g, subtract);
3417	<	g.completeExceptionally(new CFException());
1765	<	checkIncomplete(h);
1766	<	f.complete(3);
1767	<	checkCompletedWithWrappedCFException(h);
3414	>	() -> f.thenRun(null),
3415	>	() -> f.thenRunAsync(null),
3416	>	() -> f.thenRunAsync(() -> {} , null),
3417	>	() -> f.thenRunAsync(null, exec),
3418
3419	<	f = new CompletableFuture<>();
3420	<	g = new CompletableFuture<>();
3421	<	g.completeExceptionally(new CFException());
3422	<	f.complete(3);
3423	<	h = f.thenCombineAsync(g, subtract);
3424	<	checkCompletedWithWrappedCFException(h);
3425	<	}
3419	>	() -> f.thenCombine(g, null),
3420	>	() -> f.thenCombineAsync(g, null),
3421	>	() -> f.thenCombineAsync(g, null, exec),
3422	>	() -> f.thenCombine(nullFuture, (x, y) -> x),
3423	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3424	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3425	>	() -> f.thenCombineAsync(g, (x, y) -> x, null),
3426
3427	<	/**
3428	<	* thenCombineAsync result completes exceptionally if action does
3429	<	*/
3430	<	public void testThenCombineAsync3() {
3431	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3432	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3433	<	FailingBiFunction r = new FailingBiFunction();
1784	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1785	<	f.complete(one);
1786	<	checkIncomplete(g);
1787	<	assertFalse(r.ran);
1788	<	f2.complete(two);
1789	<	checkCompletedWithWrappedCFException(g);
1790	<	assertTrue(r.ran);
1791	<	}
3427	>	() -> f.thenAcceptBoth(g, null),
3428	>	() -> f.thenAcceptBothAsync(g, null),
3429	>	() -> f.thenAcceptBothAsync(g, null, exec),
3430	>	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3431	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3432	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3433	>	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3434
3435	<	/**
3436	<	* thenCombineAsync result completes exceptionally if either source cancelled
3437	<	*/
3438	<	public void testThenCombineAsync4() {
3439	<	CompletableFuture<Integer> f, g, h;
3435	>	() -> f.runAfterBoth(g, null),
3436	>	() -> f.runAfterBothAsync(g, null),
3437	>	() -> f.runAfterBothAsync(g, null, exec),
3438	>	() -> f.runAfterBoth(nullFuture, () -> {}),
3439	>	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3440	>	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3441	>	() -> f.runAfterBothAsync(g, () -> {}, null),
3442
3443	<	f = new CompletableFuture<>();
3444	<	g = new CompletableFuture<>();
3445	<	h = f.thenCombineAsync(g, subtract);
3446	<	assertTrue(f.cancel(true));
3447	<	checkIncomplete(h);
3448	<	g.complete(1);
3449	<	checkCompletedWithWrappedCancellationException(h);
3443	>	() -> f.applyToEither(g, null),
3444	>	() -> f.applyToEitherAsync(g, null),
3445	>	() -> f.applyToEitherAsync(g, null, exec),
3446	>	() -> f.applyToEither(nullFuture, x -> x),
3447	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3448	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3449	>	() -> f.applyToEitherAsync(g, x -> x, null),
3450
3451	<	f = new CompletableFuture<>();
3452	<	g = new CompletableFuture<>();
3453	<	h = f.thenCombineAsync(g, subtract);
3454	<	assertTrue(g.cancel(true));
3455	<	checkIncomplete(h);
3456	<	f.complete(3);
3457	<	checkCompletedWithWrappedCancellationException(h);
3451	>	() -> f.acceptEither(g, null),
3452	>	() -> f.acceptEitherAsync(g, null),
3453	>	() -> f.acceptEitherAsync(g, null, exec),
3454	>	() -> f.acceptEither(nullFuture, x -> {}),
3455	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3456	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3457	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3458
3459	<	f = new CompletableFuture<>();
3460	<	g = new CompletableFuture<>();
3461	<	g.complete(3);
3462	<	assertTrue(f.cancel(true));
3463	<	h = f.thenCombineAsync(g, subtract);
3464	<	checkCompletedWithWrappedCancellationException(h);
3459	>	() -> f.runAfterEither(g, null),
3460	>	() -> f.runAfterEitherAsync(g, null),
3461	>	() -> f.runAfterEitherAsync(g, null, exec),
3462	>	() -> f.runAfterEither(nullFuture, () -> {}),
3463	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3464	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3465	>	() -> f.runAfterEitherAsync(g, () -> {}, null),
3466
3467	<	f = new CompletableFuture<>();
3468	<	g = new CompletableFuture<>();
3469	<	f.complete(3);
3470	<	assertTrue(g.cancel(true));
1826	<	h = f.thenCombineAsync(g, subtract);
1827	<	checkCompletedWithWrappedCancellationException(h);
1828	<	}
3467	>	() -> f.thenCompose(null),
3468	>	() -> f.thenComposeAsync(null),
3469	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3470	>	() -> f.thenComposeAsync(null, exec),
3471
3472	<	/**
1831	<	* thenAcceptBothAsync result completes normally after normal
1832	<	* completion of sources
1833	<	*/
1834	<	public void testThenAcceptBothAsync() {
1835	<	CompletableFuture<Integer> f, g;
1836	<	CompletableFuture<Void> h;
1837	<	SubtractAction r;
3472	>	() -> f.exceptionally(null),
3473
3474	<	f = new CompletableFuture<>();
1840	<	g = new CompletableFuture<>();
1841	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1842	<	f.complete(3);
1843	<	checkIncomplete(h);
1844	<	g.complete(1);
1845	<	checkCompletedNormally(h, null);
1846	<	assertEquals(r.value, 2);
3474	>	() -> f.handle(null),
3475
3476	<	f = new CompletableFuture<>();
3477	<	g = new CompletableFuture<>();
3478	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3479	<	g.complete(1);
1852	<	checkIncomplete(h);
1853	<	f.complete(3);
1854	<	checkCompletedNormally(h, null);
1855	<	assertEquals(r.value, 2);
3476	>	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3477	>	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3478	>	() -> CompletableFuture.allOf(f, null),
3479	>	() -> CompletableFuture.allOf(null, f),
3480
3481	<	f = new CompletableFuture<>();
3482	<	g = new CompletableFuture<>();
3483	<	g.complete(1);
3484	<	f.complete(3);
1861	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1862	<	checkCompletedNormally(h, null);
1863	<	assertEquals(r.value, 2);
1864	<	}
3481	>	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3482	>	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3483	>	() -> CompletableFuture.anyOf(f, null),
3484	>	() -> CompletableFuture.anyOf(null, f),
3485
3486	<	/**
1867	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1868	<	* completion of source
1869	<	*/
1870	<	public void testThenAcceptBothAsync2() {
1871	<	CompletableFuture<Integer> f, g;
1872	<	CompletableFuture<Void> h;
1873	<	SubtractAction r;
3486	>	() -> f.obtrudeException(null),
3487
3488	<	f = new CompletableFuture<>();
3489	<	g = new CompletableFuture<>();
3490	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1878	<	f.completeExceptionally(new CFException());
1879	<	checkIncomplete(h);
1880	<	g.complete(1);
1881	<	checkCompletedWithWrappedCFException(h);
3488	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3489	>	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3490	>	() -> CompletableFuture.delayedExecutor(1L, null),
3491
3492	<	f = new CompletableFuture<>();
3493	<	g = new CompletableFuture<>();
1885	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1886	<	g.completeExceptionally(new CFException());
1887	<	checkIncomplete(h);
1888	<	f.complete(3);
1889	<	checkCompletedWithWrappedCFException(h);
3492	>	() -> f.orTimeout(1L, null),
3493	>	() -> f.completeOnTimeout(42, 1L, null),
3494
3495	<	f = new CompletableFuture<>();
3496	<	g = new CompletableFuture<>();
3497	<	f.complete(3);
1894	<	g.completeExceptionally(new CFException());
1895	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1896	<	checkCompletedWithWrappedCFException(h);
3495	>	() -> CompletableFuture.failedFuture(null),
3496	>	() -> CompletableFuture.failedStage(null),
3497	>	};
3498
3499	<	f = new CompletableFuture<>();
3500	<	g = new CompletableFuture<>();
1900	<	f.completeExceptionally(new CFException());
1901	<	g.complete(3);
1902	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1903	<	checkCompletedWithWrappedCFException(h);
3499	>	assertThrows(NullPointerException.class, throwingActions);
3500	>	assertEquals(0, exec.count.get());
3501		}
3502
3503		/**
3504	<	* thenAcceptBothAsync result completes exceptionally if action does
3504	>	* Test submissions to an executor that rejects all tasks.
3505		*/
3506	<	public void testThenAcceptBothAsync3() {
3507	<	CompletableFuture<Integer> f, g;
3508	<	CompletableFuture<Void> h;
3509	<	FailingBiConsumer r;
3506	>	public void testRejectingExecutor() {
3507	>	for (Integer v : new Integer[] { 1, null })
3508	>	{
3509	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3510	>
3511	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3512	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3513	>
3514	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3515	>
3516	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3517	>	srcs.add(complete);
3518	>	srcs.add(incomplete);
3519	>
3520	>	for (CompletableFuture<Integer> src : srcs) {
3521	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3522	>	fs.add(src.thenRunAsync(() -> {}, e));
3523	>	fs.add(src.thenAcceptAsync(z -> {}, e));
3524	>	fs.add(src.thenApplyAsync(z -> z, e));
3525	>
3526	>	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3527	>	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3528	>	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3529	>
3530	>	fs.add(src.applyToEitherAsync(src, z -> z, e));
3531	>	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3532	>	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3533	>
3534	>	fs.add(src.thenComposeAsync(z -> null, e));
3535	>	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3536	>	fs.add(src.handleAsync((z, t) -> null, e));
3537	>
3538	>	for (CompletableFuture<?> future : fs) {
3539	>	if (src.isDone())
3540	>	checkCompletedWithWrappedException(future, e.ex);
3541	>	else
3542	>	checkIncomplete(future);
3543	>	}
3544	>	futures.addAll(fs);
3545	>	}
3546
3547	<	f = new CompletableFuture<>();
3548	<	g = new CompletableFuture<>();
1916	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1917	<	f.complete(3);
1918	<	checkIncomplete(h);
1919	<	g.complete(1);
1920	<	checkCompletedWithWrappedCFException(h);
3547	>	{
3548	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3549
3550	<	f = new CompletableFuture<>();
3551	<	g = new CompletableFuture<>();
1924	<	f.complete(3);
1925	<	g.complete(1);
1926	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1927	<	checkCompletedWithWrappedCFException(h);
1928	<	}
3550	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3551	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3552
3553	<	/**
3554	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1932	<	*/
1933	<	public void testThenAcceptBothAsync4() {
1934	<	CompletableFuture<Integer> f, g;
1935	<	CompletableFuture<Void> h;
1936	<	SubtractAction r;
3553	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3554	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3555
3556	<	f = new CompletableFuture<>();
3557	<	g = new CompletableFuture<>();
1940	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1941	<	assertTrue(f.cancel(true));
1942	<	checkIncomplete(h);
1943	<	g.complete(1);
1944	<	checkCompletedWithWrappedCancellationException(h);
3556	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3557	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3558
3559	<	f = new CompletableFuture<>();
3560	<	g = new CompletableFuture<>();
3561	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3562	<	assertTrue(g.cancel(true));
1950	<	checkIncomplete(h);
1951	<	f.complete(3);
1952	<	checkCompletedWithWrappedCancellationException(h);
3559	>	for (CompletableFuture<?> future : fs)
3560	>	checkIncomplete(future);
3561	>	futures.addAll(fs);
3562	>	}
3563
3564	<	f = new CompletableFuture<>();
3565	<	g = new CompletableFuture<>();
1956	<	f.complete(3);
1957	<	assertTrue(g.cancel(true));
1958	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1959	<	checkCompletedWithWrappedCancellationException(h);
3564	>	{
3565	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3566
3567	<	f = new CompletableFuture<>();
3568	<	g = new CompletableFuture<>();
1963	<	assertTrue(f.cancel(true));
1964	<	g.complete(3);
1965	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1966	<	checkCompletedWithWrappedCancellationException(h);
1967	<	}
3567	>	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3568	>	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3569
3570	<	/**
3571	<	* applyToEitherAsync result completes normally after normal
1971	<	* completion of sources
1972	<	*/
1973	<	public void testApplyToEitherAsync() {
1974	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1975	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1976	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1977	<	f.complete(one);
1978	<	checkCompletedNormally(g, two);
3570	>	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3571	>	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3572
3573	<	f = new CompletableFuture<>();
3574	<	f.complete(one);
1982	<	f2 = new CompletableFuture<>();
1983	<	g = f.applyToEitherAsync(f2, inc);
1984	<	checkCompletedNormally(g, two);
1985	<	}
3573	>	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3574	>	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3575
3576	<	/**
3577	<	* applyToEitherAsync result completes exceptionally after exceptional
3578	<	* completion of source
3579	<	*/
1991	<	public void testApplyToEitherAsync2() {
1992	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1993	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1994	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1995	<	f.completeExceptionally(new CFException());
1996	<	checkCompletedWithWrappedCFException(g);
3576	>	for (CompletableFuture<?> future : fs)
3577	>	checkCompletedWithWrappedException(future, e.ex);
3578	>	futures.addAll(fs);
3579	>	}
3580
3581	<	f = new CompletableFuture<>();
1999	<	f2 = new CompletableFuture<>();
2000	<	f2.completeExceptionally(new CFException());
2001	<	g = f.applyToEitherAsync(f2, inc);
2002	<	f.complete(one);
2003	<	checkCompletedWithWrappedCFException(g);
2004	<	}
3581	>	incomplete.complete(v);
3582
3583	<	/**
3584	<	* applyToEitherAsync result completes exceptionally if action does
3585	<	*/
3586	<	public void testApplyToEitherAsync3() {
3587	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2011	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2012	<	FailingFunction r = new FailingFunction();
2013	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
2014	<	f.complete(one);
2015	<	checkCompletedWithWrappedCFException(g);
2016	<	}
3583	>	for (CompletableFuture<?> future : futures)
3584	>	checkCompletedWithWrappedException(future, e.ex);
3585	>
3586	>	assertEquals(futures.size(), e.count.get());
3587	>	}}
3588
3589		/**
3590	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3590	>	* Test submissions to an executor that rejects all tasks, but
3591	>	* should never be invoked because the dependent future is
3592	>	* explicitly completed.
3593		*/
3594	<	public void testApplyToEitherAsync4() {
3595	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3596	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3597	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2025	<	assertTrue(f.cancel(true));
2026	<	checkCompletedWithWrappedCancellationException(g);
3594	>	public void testRejectingExecutorNeverInvoked() {
3595	>	for (Integer v : new Integer[] { 1, null })
3596	>	{
3597	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3598
3599	<	f = new CompletableFuture<>();
3600	<	f2 = new CompletableFuture<>();
2030	<	assertTrue(f2.cancel(true));
2031	<	g = f.applyToEitherAsync(f2, inc);
2032	<	checkCompletedWithWrappedCancellationException(g);
2033	<	}
3599	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3600	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3601
3602	<	/**
2036	<	* acceptEitherAsync result completes normally after normal
2037	<	* completion of sources
2038	<	*/
2039	<	public void testAcceptEitherAsync() {
2040	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2041	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2042	<	IncAction r = new IncAction();
2043	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2044	<	f.complete(one);
2045	<	checkCompletedNormally(g, null);
2046	<	assertEquals(r.value, 2);
3602	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3603
3604	<	r = new IncAction();
3605	<	f = new CompletableFuture<>();
3606	<	f.complete(one);
2051	<	f2 = new CompletableFuture<>();
2052	<	g = f.acceptEitherAsync(f2, r);
2053	<	checkCompletedNormally(g, null);
2054	<	assertEquals(r.value, 2);
2055	<	}
3604	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3605	>	srcs.add(complete);
3606	>	srcs.add(incomplete);
3607
3608	<	/**
3609	<	* acceptEitherAsync result completes exceptionally after exceptional
3610	<	* completion of source
3611	<	*/
2061	<	public void testAcceptEitherAsync2() {
2062	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2063	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2064	<	IncAction r = new IncAction();
2065	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2066	<	f.completeExceptionally(new CFException());
2067	<	checkCompletedWithWrappedCFException(g);
3608	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3609	>	fs.add(incomplete.thenRunAsync(() -> {}, e));
3610	>	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3611	>	fs.add(incomplete.thenApplyAsync(z -> z, e));
3612
3613	<	r = new IncAction();
3614	<	f = new CompletableFuture<>();
3615	<	f2 = new CompletableFuture<>();
2072	<	f2.completeExceptionally(new CFException());
2073	<	g = f.acceptEitherAsync(f2, r);
2074	<	f.complete(one);
2075	<	checkCompletedWithWrappedCFException(g);
2076	<	}
3613	>	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3614	>	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3615	>	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3616
3617	<	/**
3618	<	* acceptEitherAsync result completes exceptionally if action does
3619	<	*/
2081	<	public void testAcceptEitherAsync3() {
2082	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2083	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2084	<	FailingConsumer r = new FailingConsumer();
2085	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2086	<	f.complete(one);
2087	<	checkCompletedWithWrappedCFException(g);
2088	<	}
3617	>	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3618	>	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3619	>	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3620
3621	<	/**
3622	<	* acceptEitherAsync result completes exceptionally if either
3623	<	* source cancelled
2093	<	*/
2094	<	public void testAcceptEitherAsync4() {
2095	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2096	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2097	<	IncAction r = new IncAction();
2098	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2099	<	assertTrue(f.cancel(true));
2100	<	checkCompletedWithWrappedCancellationException(g);
3621	>	fs.add(incomplete.thenComposeAsync(z -> null, e));
3622	>	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3623	>	fs.add(incomplete.handleAsync((z, t) -> null, e));
3624
3625	<	r = new IncAction();
3626	<	f = new CompletableFuture<>();
2104	<	f2 = new CompletableFuture<>();
2105	<	assertTrue(f2.cancel(true));
2106	<	g = f.acceptEitherAsync(f2, r);
2107	<	checkCompletedWithWrappedCancellationException(g);
2108	<	}
3625	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3626	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3627
3628	<	/**
3629	<	* runAfterEitherAsync result completes normally after normal
2112	<	* completion of sources
2113	<	*/
2114	<	public void testRunAfterEitherAsync() {
2115	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2116	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2117	<	Noop r = new Noop();
2118	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2119	<	f.complete(one);
2120	<	checkCompletedNormally(g, null);
2121	<	assertTrue(r.ran);
3628	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3629	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3630
3631	<	r = new Noop();
3632	<	f = new CompletableFuture<>();
2125	<	f.complete(one);
2126	<	f2 = new CompletableFuture<>();
2127	<	g = f.runAfterEitherAsync(f2, r);
2128	<	checkCompletedNormally(g, null);
2129	<	assertTrue(r.ran);
2130	<	}
3631	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3632	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3633
3634	<	/**
3635	<	* runAfterEitherAsync result completes exceptionally after exceptional
2134	<	* completion of source
2135	<	*/
2136	<	public void testRunAfterEitherAsync2() {
2137	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2138	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2139	<	Noop r = new Noop();
2140	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2141	<	f.completeExceptionally(new CFException());
2142	<	checkCompletedWithWrappedCFException(g);
3634	>	for (CompletableFuture<?> future : fs)
3635	>	checkIncomplete(future);
3636
3637	<	r = new Noop();
3638	<	f = new CompletableFuture<>();
3639	<	f2 = new CompletableFuture<>();
3640	<	f2.completeExceptionally(new CFException());
3641	<	g = f.runAfterEitherAsync(f2, r);
3642	<	f.complete(one);
3643	<	checkCompletedWithWrappedCFException(g);
3644	<	}
3637	>	for (CompletableFuture<?> future : fs)
3638	>	future.complete(null);
3639	>
3640	>	incomplete.complete(v);
3641	>
3642	>	for (CompletableFuture<?> future : fs)
3643	>	checkCompletedNormally(future, null);
3644	>
3645	>	assertEquals(0, e.count.get());
3646	>	}}
3647
3648		/**
3649	<	* runAfterEitherAsync result completes exceptionally if action does
3649	>	* toCompletableFuture returns this CompletableFuture.
3650		*/
3651	<	public void testRunAfterEitherAsync3() {
3651	>	public void testToCompletableFuture() {
3652		CompletableFuture<Integer> f = new CompletableFuture<>();
3653	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2159	<	FailingNoop r = new FailingNoop();
2160	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2161	<	f.complete(one);
2162	<	checkCompletedWithWrappedCFException(g);
3653	>	assertSame(f, f.toCompletableFuture());
3654		}
3655
3656	+	// jdk9
3657	+
3658		/**
3659	<	* runAfterEitherAsync result completes exceptionally if either
2167	<	* source cancelled
3659	>	* newIncompleteFuture returns an incomplete CompletableFuture
3660		*/
3661	<	public void testRunAfterEitherAsync4() {
3661	>	public void testNewIncompleteFuture() {
3662	>	for (Integer v1 : new Integer[] { 1, null })
3663	>	{
3664		CompletableFuture<Integer> f = new CompletableFuture<>();
3665	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3666	<	Noop r = new Noop();
3667	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3668	<	assertTrue(f.cancel(true));
3669	<	checkCompletedWithWrappedCancellationException(g);
3670	<
3671	<	r = new Noop();
3672	<	f = new CompletableFuture<>();
3673	<	f2 = new CompletableFuture<>();
3674	<	assertTrue(f2.cancel(true));
2181	<	g = f.runAfterEitherAsync(f2, r);
2182	<	checkCompletedWithWrappedCancellationException(g);
2183	<	}
3665	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3666	>	checkIncomplete(f);
3667	>	checkIncomplete(g);
3668	>	f.complete(v1);
3669	>	checkCompletedNormally(f, v1);
3670	>	checkIncomplete(g);
3671	>	g.complete(v1);
3672	>	checkCompletedNormally(g, v1);
3673	>	assertSame(g.getClass(), CompletableFuture.class);
3674	>	}}
3675
3676		/**
3677	<	* thenComposeAsync result completes normally after normal
2187	<	* completion of source
3677	>	* completedStage returns a completed CompletionStage
3678		*/
3679	<	public void testThenComposeAsync() {
3680	<	CompletableFuture<Integer> f, g;
3681	<	CompletableFutureInc r;
3682	<
3683	<	f = new CompletableFuture<>();
3684	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3685	<	f.complete(one);
2196	<	checkCompletedNormally(g, two);
2197	<
2198	<	f = new CompletableFuture<>();
2199	<	f.complete(one);
2200	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2201	<	checkCompletedNormally(g, two);
3679	>	public void testCompletedStage() {
3680	>	AtomicInteger x = new AtomicInteger(0);
3681	>	AtomicReference<Throwable> r = new AtomicReference<>();
3682	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3683	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3684	>	assertEquals(x.get(), 1);
3685	>	assertNull(r.get());
3686		}
3687
3688		/**
3689	<	* thenComposeAsync result completes exceptionally after
3690	<	* exceptional completion of source
3689	>	* defaultExecutor by default returns the commonPool if
3690	>	* it supports more than one thread.
3691		*/
3692	<	public void testThenComposeAsync2() {
3693	<	CompletableFuture<Integer> f, g;
3694	<	CompletableFutureInc r;
3695	<
3696	<	f = new CompletableFuture<>();
3697	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3698	<	f.completeExceptionally(new CFException());
3699	<	checkCompletedWithWrappedCFException(g);
2216	<	assertFalse(r.ran);
2217	<
2218	<	f = new CompletableFuture<>();
2219	<	f.completeExceptionally(new CFException());
2220	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2221	<	checkCompletedWithWrappedCFException(g);
2222	<	assertFalse(r.ran);
3692	>	public void testDefaultExecutor() {
3693	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3694	>	Executor e = f.defaultExecutor();
3695	>	Executor c = ForkJoinPool.commonPool();
3696	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3697	>	assertSame(e, c);
3698	>	else
3699	>	assertNotSame(e, c);
3700		}
3701
3702		/**
3703	<	* thenComposeAsync result completes exceptionally if action does
3703	>	* failedFuture returns a CompletableFuture completed
3704	>	* exceptionally with the given Exception
3705		*/
3706	<	public void testThenComposeAsync3() {
3707	<	CompletableFuture<Integer> f, g;
3708	<	FailingCompletableFutureFunction r;
3709	<
2232	<	f = new CompletableFuture<>();
2233	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2234	<	f.complete(one);
2235	<	checkCompletedWithWrappedCFException(g);
2236	<
2237	<	f = new CompletableFuture<>();
2238	<	f.complete(one);
2239	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2240	<	checkCompletedWithWrappedCFException(g);
3706	>	public void testFailedFuture() {
3707	>	CFException ex = new CFException();
3708	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3709	>	checkCompletedExceptionally(f, ex);
3710		}
3711
3712		/**
3713	<	* thenComposeAsync result completes exceptionally if source cancelled
3713	>	* failedFuture(null) throws NPE
3714		*/
3715	<	public void testThenComposeAsync4() {
3716	<	CompletableFuture<Integer> f, g;
3717	<	CompletableFutureInc r;
3718	<
3719	<	f = new CompletableFuture<>();
2251	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2252	<	assertTrue(f.cancel(true));
2253	<	checkCompletedWithWrappedCancellationException(g);
2254	<
2255	<	f = new CompletableFuture<>();
2256	<	assertTrue(f.cancel(true));
2257	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2258	<	checkCompletedWithWrappedCancellationException(g);
3715	>	public void testFailedFuture_null() {
3716	>	try {
3717	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3718	>	shouldThrow();
3719	>	} catch (NullPointerException success) {}
3720		}
3721
2261	–	// async with explicit executors
2262	–
3722		/**
3723	<	* thenRunAsync result completes normally after normal completion of source
3723	>	* copy returns a CompletableFuture that is completed normally,
3724	>	* with the same value, when source is.
3725		*/
3726	<	public void testThenRunAsyncE() {
3726	>	public void testCopy_normalCompletion() {
3727	>	for (boolean createIncomplete : new boolean[] { true, false })
3728	>	for (Integer v1 : new Integer[] { 1, null })
3729	>	{
3730		CompletableFuture<Integer> f = new CompletableFuture<>();
3731	<	Noop r = new Noop();
3732	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3733	<	f.complete(null);
3734	<	checkCompletedNormally(g, null);
3735	<
3736	<	// reordered version
3737	<	f = new CompletableFuture<>();
3738	<	f.complete(null);
3739	<	r = new Noop();
3740	<	g = f.thenRunAsync(r, new ThreadExecutor());
2278	<	checkCompletedNormally(g, null);
2279	<	}
3731	>	if (!createIncomplete) assertTrue(f.complete(v1));
3732	>	CompletableFuture<Integer> g = f.copy();
3733	>	if (createIncomplete) {
3734	>	checkIncomplete(f);
3735	>	checkIncomplete(g);
3736	>	assertTrue(f.complete(v1));
3737	>	}
3738	>	checkCompletedNormally(f, v1);
3739	>	checkCompletedNormally(g, v1);
3740	>	}}
3741
3742		/**
3743	<	* thenRunAsync result completes exceptionally after exceptional
3744	<	* completion of source
3743	>	* copy returns a CompletableFuture that is completed exceptionally
3744	>	* when source is.
3745		*/
3746	<	public void testThenRunAsync2E() {
3746	>	public void testCopy_exceptionalCompletion() {
3747	>	for (boolean createIncomplete : new boolean[] { true, false })
3748	>	{
3749	>	CFException ex = new CFException();
3750		CompletableFuture<Integer> f = new CompletableFuture<>();
3751	<	Noop r = new Noop();
3752	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3753	<	f.completeExceptionally(new CFException());
3754	<	try {
3755	<	g.join();
3756	<	shouldThrow();
3757	<	} catch (CompletionException success) {}
3758	<	checkCompletedWithWrappedCFException(g);
3759	<	}
3751	>	if (!createIncomplete) f.completeExceptionally(ex);
3752	>	CompletableFuture<Integer> g = f.copy();
3753	>	if (createIncomplete) {
3754	>	checkIncomplete(f);
3755	>	checkIncomplete(g);
3756	>	f.completeExceptionally(ex);
3757	>	}
3758	>	checkCompletedExceptionally(f, ex);
3759	>	checkCompletedWithWrappedException(g, ex);
3760	>	}}
3761
3762		/**
3763	<	* thenRunAsync result completes exceptionally if action does
3763	>	* Completion of a copy does not complete its source.
3764		*/
3765	<	public void testThenRunAsync3E() {
3765	>	public void testCopy_oneWayPropagation() {
3766		CompletableFuture<Integer> f = new CompletableFuture<>();
3767	<	FailingNoop r = new FailingNoop();
3768	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3769	<	f.complete(null);
3770	<	checkCompletedWithWrappedCFException(g);
3767	>	assertTrue(f.copy().complete(1));
3768	>	assertTrue(f.copy().complete(null));
3769	>	assertTrue(f.copy().cancel(true));
3770	>	assertTrue(f.copy().cancel(false));
3771	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3772	>	checkIncomplete(f);
3773		}
3774
3775		/**
3776	<	* thenRunAsync result completes exceptionally if source cancelled
3776	>	* minimalCompletionStage returns a CompletableFuture that is
3777	>	* completed normally, with the same value, when source is.
3778		*/
3779	<	public void testThenRunAsync4E() {
3779	>	public void testMinimalCompletionStage() {
3780		CompletableFuture<Integer> f = new CompletableFuture<>();
3781	<	Noop r = new Noop();
3782	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3783	<	assertTrue(f.cancel(true));
3784	<	checkCompletedWithWrappedCancellationException(g);
3781	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3782	>	AtomicInteger x = new AtomicInteger(0);
3783	>	AtomicReference<Throwable> r = new AtomicReference<>();
3784	>	checkIncomplete(f);
3785	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3786	>	f.complete(1);
3787	>	checkCompletedNormally(f, 1);
3788	>	assertEquals(x.get(), 1);
3789	>	assertNull(r.get());
3790		}
3791
3792		/**
3793	<	* thenApplyAsync result completes normally after normal completion of source
3793	>	* minimalCompletionStage returns a CompletableFuture that is
3794	>	* completed exceptionally when source is.
3795		*/
3796	<	public void testThenApplyAsyncE() {
3796	>	public void testMinimalCompletionStage2() {
3797		CompletableFuture<Integer> f = new CompletableFuture<>();
3798	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3799	<	f.complete(one);
3800	<	checkCompletedNormally(g, two);
3798	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3799	>	AtomicInteger x = new AtomicInteger(0);
3800	>	AtomicReference<Throwable> r = new AtomicReference<>();
3801	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3802	>	checkIncomplete(f);
3803	>	CFException ex = new CFException();
3804	>	f.completeExceptionally(ex);
3805	>	checkCompletedExceptionally(f, ex);
3806	>	assertEquals(x.get(), 0);
3807	>	assertEquals(r.get().getCause(), ex);
3808		}
3809
3810		/**
3811	<	* thenApplyAsync result completes exceptionally after exceptional
3812	<	* completion of source
3811	>	* failedStage returns a CompletionStage completed
3812	>	* exceptionally with the given Exception
3813		*/
3814	<	public void testThenApplyAsync2E() {
3815	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3816	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3817	<	f.completeExceptionally(new CFException());
3818	<	checkCompletedWithWrappedCFException(g);
3814	>	public void testFailedStage() {
3815	>	CFException ex = new CFException();
3816	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3817	>	AtomicInteger x = new AtomicInteger(0);
3818	>	AtomicReference<Throwable> r = new AtomicReference<>();
3819	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3820	>	assertEquals(x.get(), 0);
3821	>	assertEquals(r.get(), ex);
3822		}
3823
3824		/**
3825	<	* thenApplyAsync result completes exceptionally if action does
3825	>	* completeAsync completes with value of given supplier
3826		*/
3827	<	public void testThenApplyAsync3E() {
3827	>	public void testCompleteAsync() {
3828	>	for (Integer v1 : new Integer[] { 1, null })
3829	>	{
3830		CompletableFuture<Integer> f = new CompletableFuture<>();
3831	<	FailingFunction r = new FailingFunction();
3832	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3833	<	f.complete(null);
3834	<	checkCompletedWithWrappedCFException(g);
2349	<	}
3831	>	f.completeAsync(() -> v1);
3832	>	f.join();
3833	>	checkCompletedNormally(f, v1);
3834	>	}}
3835
3836		/**
3837	<	* thenApplyAsync result completes exceptionally if source cancelled
3837	>	* completeAsync completes exceptionally if given supplier throws
3838		*/
3839	<	public void testThenApplyAsync4E() {
3839	>	public void testCompleteAsync2() {
3840		CompletableFuture<Integer> f = new CompletableFuture<>();
3841	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3842	<	assertTrue(f.cancel(true));
3843	<	checkCompletedWithWrappedCancellationException(g);
3841	>	CFException ex = new CFException();
3842	>	f.completeAsync(() -> { throw ex; });
3843	>	try {
3844	>	f.join();
3845	>	shouldThrow();
3846	>	} catch (CompletionException success) {}
3847	>	checkCompletedWithWrappedException(f, ex);
3848		}
3849
3850		/**
3851	<	* thenAcceptAsync result completes normally after normal
2363	<	* completion of source
3851	>	* completeAsync with given executor completes with value of given supplier
3852		*/
3853	<	public void testThenAcceptAsyncE() {
3853	>	public void testCompleteAsync3() {
3854	>	for (Integer v1 : new Integer[] { 1, null })
3855	>	{
3856		CompletableFuture<Integer> f = new CompletableFuture<>();
3857	<	IncAction r = new IncAction();
3858	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3859	<	f.complete(one);
3860	<	checkCompletedNormally(g, null);
3861	<	assertEquals(r.value, 2);
3862	<	}
3857	>	ThreadExecutor executor = new ThreadExecutor();
3858	>	f.completeAsync(() -> v1, executor);
3859	>	assertSame(v1, f.join());
3860	>	checkCompletedNormally(f, v1);
3861	>	assertEquals(1, executor.count.get());
3862	>	}}
3863
3864		/**
3865	<	* thenAcceptAsync result completes exceptionally after exceptional
3866	<	* completion of source
3865	>	* completeAsync with given executor completes exceptionally if
3866	>	* given supplier throws
3867		*/
3868	<	public void testThenAcceptAsync2E() {
3868	>	public void testCompleteAsync4() {
3869		CompletableFuture<Integer> f = new CompletableFuture<>();
3870	<	IncAction r = new IncAction();
3871	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3872	<	f.completeExceptionally(new CFException());
3873	<	checkCompletedWithWrappedCFException(g);
3870	>	CFException ex = new CFException();
3871	>	ThreadExecutor executor = new ThreadExecutor();
3872	>	f.completeAsync(() -> { throw ex; }, executor);
3873	>	try {
3874	>	f.join();
3875	>	shouldThrow();
3876	>	} catch (CompletionException success) {}
3877	>	checkCompletedWithWrappedException(f, ex);
3878	>	assertEquals(1, executor.count.get());
3879		}
3880
3881		/**
3882	<	* thenAcceptAsync result completes exceptionally if action does
3882	>	* orTimeout completes with TimeoutException if not complete
3883		*/
3884	<	public void testThenAcceptAsync3E() {
3884	>	public void testOrTimeout_timesOut() {
3885	>	long timeoutMillis = timeoutMillis();
3886		CompletableFuture<Integer> f = new CompletableFuture<>();
3887	<	FailingConsumer r = new FailingConsumer();
3888	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3889	<	f.complete(null);
3890	<	checkCompletedWithWrappedCFException(g);
3887	>	long startTime = System.nanoTime();
3888	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3889	>	checkCompletedWithTimeoutException(f);
3890	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3891		}
3892
3893		/**
3894	<	* thenAcceptAsync result completes exceptionally if source cancelled
3894	>	* orTimeout completes normally if completed before timeout
3895		*/
3896	<	public void testThenAcceptAsync4E() {
3896	>	public void testOrTimeout_completed() {
3897	>	for (Integer v1 : new Integer[] { 1, null })
3898	>	{
3899		CompletableFuture<Integer> f = new CompletableFuture<>();
3900	<	IncAction r = new IncAction();
3901	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3902	<	assertTrue(f.cancel(true));
3903	<	checkCompletedWithWrappedCancellationException(g);
3904	<	}
3900	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3901	>	long startTime = System.nanoTime();
3902	>	f.complete(v1);
3903	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3904	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3905	>	g.complete(v1);
3906	>	checkCompletedNormally(f, v1);
3907	>	checkCompletedNormally(g, v1);
3908	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3909	>	}}
3910
3911		/**
3912	<	* thenCombineAsync result completes normally after normal
2410	<	* completion of sources
3912	>	* completeOnTimeout completes with given value if not complete
3913		*/
3914	<	public void testThenCombineAsyncE() {
3915	<	CompletableFuture<Integer> f, g, h;
3916	<	ThreadExecutor e = new ThreadExecutor();
2415	<	int count = 0;
2416	<
2417	<	f = new CompletableFuture<>();
2418	<	g = new CompletableFuture<>();
2419	<	h = f.thenCombineAsync(g, subtract, e);
2420	<	f.complete(3);
2421	<	checkIncomplete(h);
2422	<	g.complete(1);
2423	<	checkCompletedNormally(h, 2);
2424	<	assertEquals(++count, e.count.get());
2425	<
2426	<	f = new CompletableFuture<>();
2427	<	g = new CompletableFuture<>();
2428	<	h = f.thenCombineAsync(g, subtract, e);
2429	<	g.complete(1);
2430	<	checkIncomplete(h);
2431	<	f.complete(3);
2432	<	checkCompletedNormally(h, 2);
2433	<	assertEquals(++count, e.count.get());
2434	<
2435	<	f = new CompletableFuture<>();
2436	<	g = new CompletableFuture<>();
2437	<	g.complete(1);
2438	<	f.complete(3);
2439	<	h = f.thenCombineAsync(g, subtract, e);
2440	<	checkCompletedNormally(h, 2);
2441	<	assertEquals(++count, e.count.get());
3914	>	public void testCompleteOnTimeout_timesOut() {
3915	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3916	>	() -> testCompleteOnTimeout_timesOut(null));
3917		}
3918
3919		/**
3920	<	* thenCombineAsync result completes exceptionally after exceptional
2446	<	* completion of either source
3920	>	* completeOnTimeout completes with given value if not complete
3921		*/
3922	<	public void testThenCombineAsync2E() {
3923	<	CompletableFuture<Integer> f, g, h;
3924	<	ThreadExecutor e = new ThreadExecutor();
3925	<	int count = 0;
3926	<
3927	<	f = new CompletableFuture<>();
3928	<	g = new CompletableFuture<>();
3929	<	h = f.thenCombineAsync(g, subtract, e);
3930	<	f.completeExceptionally(new CFException());
2457	<	checkIncomplete(h);
2458	<	g.complete(1);
2459	<	checkCompletedWithWrappedCFException(h);
2460	<
2461	<	f = new CompletableFuture<>();
2462	<	g = new CompletableFuture<>();
2463	<	h = f.thenCombineAsync(g, subtract, e);
2464	<	g.completeExceptionally(new CFException());
2465	<	checkIncomplete(h);
2466	<	f.complete(3);
2467	<	checkCompletedWithWrappedCFException(h);
2468	<
2469	<	f = new CompletableFuture<>();
2470	<	g = new CompletableFuture<>();
2471	<	g.completeExceptionally(new CFException());
2472	<	h = f.thenCombineAsync(g, subtract, e);
2473	<	checkIncomplete(h);
2474	<	f.complete(3);
2475	<	checkCompletedWithWrappedCFException(h);
2476	<
2477	<	assertEquals(0, e.count.get());
3922	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3923	>	long timeoutMillis = timeoutMillis();
3924	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3925	>	long startTime = System.nanoTime();
3926	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3927	>	assertSame(v, f.join());
3928	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3929	>	f.complete(99);         // should have no effect
3930	>	checkCompletedNormally(f, v);
3931		}
3932
3933		/**
3934	<	* thenCombineAsync result completes exceptionally if action does
3934	>	* completeOnTimeout has no effect if completed within timeout
3935		*/
3936	<	public void testThenCombineAsync3E() {
3936	>	public void testCompleteOnTimeout_completed() {
3937	>	for (Integer v1 : new Integer[] { 1, null })
3938	>	{
3939		CompletableFuture<Integer> f = new CompletableFuture<>();
3940	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3941	<	FailingBiFunction r = new FailingBiFunction();
3942	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
3943	<	f.complete(one);
3944	<	checkIncomplete(g);
3945	<	assertFalse(r.ran);
3946	<	f2.complete(two);
3947	<	checkCompletedWithWrappedCFException(g);
3948	<	assertTrue(r.ran);
3949	<	}
3940	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3941	>	long startTime = System.nanoTime();
3942	>	f.complete(v1);
3943	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3944	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3945	>	g.complete(v1);
3946	>	checkCompletedNormally(f, v1);
3947	>	checkCompletedNormally(g, v1);
3948	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3949	>	}}
3950
3951		/**
3952	<	* thenCombineAsync result completes exceptionally if either source cancelled
3952	>	* delayedExecutor returns an executor that delays submission
3953		*/
3954	<	public void testThenCombineAsync4E() {
3955	<	CompletableFuture<Integer> f, g, h;
3956	<	ThreadExecutor e = new ThreadExecutor();
3954	>	public void testDelayedExecutor() {
3955	>	testInParallel(() -> testDelayedExecutor(null, null),
3956	>	() -> testDelayedExecutor(null, 1),
3957	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3958	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3959	>	}
3960	>
3961	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3962	>	long timeoutMillis = timeoutMillis();
3963	>	// Use an "unreasonably long" long timeout to catch lingering threads
3964	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3965	>	final Executor delayer, longDelayer;
3966	>	if (executor == null) {
3967	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3968	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3969	>	} else {
3970	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3971	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3972	>	}
3973	>	long startTime = System.nanoTime();
3974	>	CompletableFuture<Integer> f =
3975	>	CompletableFuture.supplyAsync(() -> v, delayer);
3976	>	CompletableFuture<Integer> g =
3977	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3978
3979	<	f = new CompletableFuture<>();
2504	<	g = new CompletableFuture<>();
2505	<	h = f.thenCombineAsync(g, subtract, e);
2506	<	assertTrue(f.cancel(true));
2507	<	checkIncomplete(h);
2508	<	g.complete(1);
2509	<	checkCompletedWithWrappedCancellationException(h);
3979	>	assertNull(g.getNow(null));
3980
3981	<	f = new CompletableFuture<>();
3982	<	g = new CompletableFuture<>();
3983	<	h = f.thenCombineAsync(g, subtract, e);
3984	<	assertTrue(g.cancel(true));
2515	<	checkIncomplete(h);
2516	<	f.complete(3);
2517	<	checkCompletedWithWrappedCancellationException(h);
3981	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3982	>	long millisElapsed = millisElapsedSince(startTime);
3983	>	assertTrue(millisElapsed >= timeoutMillis);
3984	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3985
3986	<	f = new CompletableFuture<>();
2520	<	g = new CompletableFuture<>();
2521	<	assertTrue(g.cancel(true));
2522	<	h = f.thenCombineAsync(g, subtract, e);
2523	<	checkIncomplete(h);
2524	<	f.complete(3);
2525	<	checkCompletedWithWrappedCancellationException(h);
3986	>	checkCompletedNormally(f, v);
3987
3988	<	f = new CompletableFuture<>();
2528	<	g = new CompletableFuture<>();
2529	<	assertTrue(f.cancel(true));
3988	>	checkIncomplete(g);
3989		assertTrue(g.cancel(true));
2531	–	h = f.thenCombineAsync(g, subtract, e);
2532	–	checkCompletedWithWrappedCancellationException(h);
2533	–
2534	–	assertEquals(0, e.count.get());
2535	–	}
2536	–
2537	–	/**
2538	–	* thenAcceptBothAsync result completes normally after normal
2539	–	* completion of sources
2540	–	*/
2541	–	public void testThenAcceptBothAsyncE() {
2542	–	CompletableFuture<Integer> f, g;
2543	–	CompletableFuture<Void> h;
2544	–	SubtractAction r;
2545	–	ThreadExecutor e = new ThreadExecutor();
2546	–
2547	–	f = new CompletableFuture<>();
2548	–	g = new CompletableFuture<>();
2549	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2550	–	f.complete(3);
2551	–	checkIncomplete(h);
2552	–	g.complete(1);
2553	–	checkCompletedNormally(h, null);
2554	–	assertEquals(r.value, 2);
2555	–
2556	–	f = new CompletableFuture<>();
2557	–	g = new CompletableFuture<>();
2558	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2559	–	g.complete(1);
2560	–	checkIncomplete(h);
2561	–	f.complete(3);
2562	–	checkCompletedNormally(h, null);
2563	–	assertEquals(r.value, 2);
2564	–
2565	–	f = new CompletableFuture<>();
2566	–	g = new CompletableFuture<>();
2567	–	g.complete(1);
2568	–	f.complete(3);
2569	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2570	–	checkCompletedNormally(h, null);
2571	–	assertEquals(r.value, 2);
2572	–
2573	–	assertEquals(3, e.count.get());
2574	–	}
2575	–
2576	–	/**
2577	–	* thenAcceptBothAsync result completes exceptionally after exceptional
2578	–	* completion of source
2579	–	*/
2580	–	public void testThenAcceptBothAsync2E() {
2581	–	CompletableFuture<Integer> f, g;
2582	–	CompletableFuture<Void> h;
2583	–	SubtractAction r;
2584	–	ThreadExecutor e = new ThreadExecutor();
2585	–
2586	–	f = new CompletableFuture<>();
2587	–	g = new CompletableFuture<>();
2588	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2589	–	f.completeExceptionally(new CFException());
2590	–	checkIncomplete(h);
2591	–	g.complete(1);
2592	–	checkCompletedWithWrappedCFException(h);
2593	–
2594	–	f = new CompletableFuture<>();
2595	–	g = new CompletableFuture<>();
2596	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2597	–	g.completeExceptionally(new CFException());
2598	–	checkIncomplete(h);
2599	–	f.complete(3);
2600	–	checkCompletedWithWrappedCFException(h);
2601	–
2602	–	f = new CompletableFuture<>();
2603	–	g = new CompletableFuture<>();
2604	–	f.complete(3);
2605	–	g.completeExceptionally(new CFException());
2606	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2607	–	checkCompletedWithWrappedCFException(h);
2608	–
2609	–	f = new CompletableFuture<>();
2610	–	g = new CompletableFuture<>();
2611	–	f.completeExceptionally(new CFException());
2612	–	g.complete(3);
2613	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2614	–	checkCompletedWithWrappedCFException(h);
2615	–
2616	–	assertEquals(0, e.count.get());
3990		}
3991
3992	<	/**
2620	<	* thenAcceptBothAsync result completes exceptionally if action does
2621	<	*/
2622	<	public void testThenAcceptBothAsync3E() {
2623	<	CompletableFuture<Integer> f, g;
2624	<	CompletableFuture<Void> h;
2625	<	FailingBiConsumer r;
2626	<	ThreadExecutor e = new ThreadExecutor();
3992	>	//--- tests of implementation details; not part of official tck ---
3993
3994	<	f = new CompletableFuture<>();
3995	<	g = new CompletableFuture<>();
3996	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
3997	<	f.complete(3);
3998	<	checkIncomplete(h);
3999	<	g.complete(1);
4000	<	checkCompletedWithWrappedCFException(h);
4001	<
4002	<	f = new CompletableFuture<>();
2637	<	g = new CompletableFuture<>();
2638	<	f.complete(3);
2639	<	g.complete(1);
2640	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2641	<	checkCompletedWithWrappedCFException(h);
3994	>	Object resultOf(CompletableFuture<?> f) {
3995	>	SecurityManager sm = System.getSecurityManager();
3996	>	if (sm != null) {
3997	>	try {
3998	>	System.setSecurityManager(null);
3999	>	} catch (SecurityException giveUp) {
4000	>	return "Reflection not available";
4001	>	}
4002	>	}
4003
4004	<	assertEquals(2, e.count.get());
4004	>	try {
4005	>	java.lang.reflect.Field resultField
4006	>	= CompletableFuture.class.getDeclaredField("result");
4007	>	resultField.setAccessible(true);
4008	>	return resultField.get(f);
4009	>	} catch (Throwable t) {
4010	>	throw new AssertionError(t);
4011	>	} finally {
4012	>	if (sm != null) System.setSecurityManager(sm);
4013	>	}
4014		}
4015
4016	<	/**
4017	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
4018	<	*/
4019	<	public void testThenAcceptBothAsync4E() {
4020	<	CompletableFuture<Integer> f, g;
4021	<	CompletableFuture<Void> h;
4022	<	SubtractAction r;
2653	<	ThreadExecutor e = new ThreadExecutor();
2654	<
2655	<	f = new CompletableFuture<>();
2656	<	g = new CompletableFuture<>();
2657	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2658	<	assertTrue(f.cancel(true));
2659	<	checkIncomplete(h);
2660	<	g.complete(1);
2661	<	checkCompletedWithWrappedCancellationException(h);
2662	<
2663	<	f = new CompletableFuture<>();
2664	<	g = new CompletableFuture<>();
2665	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2666	<	assertTrue(g.cancel(true));
2667	<	checkIncomplete(h);
2668	<	f.complete(3);
2669	<	checkCompletedWithWrappedCancellationException(h);
2670	<
2671	<	f = new CompletableFuture<>();
2672	<	g = new CompletableFuture<>();
2673	<	f.complete(3);
2674	<	assertTrue(g.cancel(true));
2675	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2676	<	checkCompletedWithWrappedCancellationException(h);
2677	<
2678	<	f = new CompletableFuture<>();
2679	<	g = new CompletableFuture<>();
2680	<	assertTrue(f.cancel(true));
2681	<	g.complete(3);
2682	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2683	<	checkCompletedWithWrappedCancellationException(h);
4016	>	public void testExceptionPropagationReusesResultObject() {
4017	>	if (!testImplementationDetails) return;
4018	>	for (ExecutionMode m : ExecutionMode.values())
4019	>	{
4020	>	final CFException ex = new CFException();
4021	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4022	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4023
4024	<	assertEquals(0, e.count.get());
4025	<	}
4024	>	final Runnable noopRunnable = new Noop(m);
4025	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4026	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
4027	>
4028	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4029	>	= new ArrayList<>();
4030	>
4031	>	funs.add(y -> m.thenRun(y, noopRunnable));
4032	>	funs.add(y -> m.thenAccept(y, noopConsumer));
4033	>	funs.add(y -> m.thenApply(y, incFunction));
4034	>
4035	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4036	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4037	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4038	>
4039	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4040	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4041	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4042	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4043	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4044	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4045	>
4046	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4047	>
4048	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4049	>
4050	>	funs.add(y -> CompletableFuture.allOf(y));
4051	>	funs.add(y -> CompletableFuture.allOf(y, v42));
4052	>	funs.add(y -> CompletableFuture.allOf(v42, y));
4053	>	funs.add(y -> CompletableFuture.anyOf(y));
4054	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4055	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4056
4057	<	/**
4058	<	* applyToEitherAsync result completes normally after normal
4059	<	* completion of sources
4060	<	*/
4061	<	public void testApplyToEitherAsyncE() {
4062	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4063	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
4064	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
4065	<	f.complete(one);
4066	<	checkCompletedNormally(g, two);
2698	<
2699	<	f = new CompletableFuture<>();
2700	<	f.complete(one);
2701	<	f2 = new CompletableFuture<>();
2702	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2703	<	checkCompletedNormally(g, two);
2704	<	}
4057	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4058	>	fun : funs) {
4059	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4060	>	f.completeExceptionally(ex);
4061	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4062	>	checkCompletedWithWrappedException(src, ex);
4063	>	CompletableFuture<?> dep = fun.apply(src);
4064	>	checkCompletedWithWrappedException(dep, ex);
4065	>	assertSame(resultOf(src), resultOf(dep));
4066	>	}
4067
4068	<	/**
4069	<	* applyToEitherAsync result completes exceptionally after exceptional
4070	<	* completion of source
4071	<	*/
4072	<	public void testApplyToEitherAsync2E() {
4073	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4074	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
4075	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
4076	<	f.completeExceptionally(new CFException());
4077	<	checkCompletedWithWrappedCFException(g);
4068	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4069	>	fun : funs) {
4070	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4071	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4072	>	CompletableFuture<?> dep = fun.apply(src);
4073	>	f.completeExceptionally(ex);
4074	>	checkCompletedWithWrappedException(src, ex);
4075	>	checkCompletedWithWrappedException(dep, ex);
4076	>	assertSame(resultOf(src), resultOf(dep));
4077	>	}
4078
4079	<	f = new CompletableFuture<>();
4080	<	f2 = new CompletableFuture<>();
4081	<	f2.completeExceptionally(new CFException());
4082	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
4083	<	f.complete(one);
4084	<	checkCompletedWithWrappedCFException(g);
4085	<	}
4079	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4080	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4081	>	fun : funs) {
4082	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4083	>	f.cancel(mayInterruptIfRunning);
4084	>	checkCancelled(f);
4085	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4086	>	checkCompletedWithWrappedCancellationException(src);
4087	>	CompletableFuture<?> dep = fun.apply(src);
4088	>	checkCompletedWithWrappedCancellationException(dep);
4089	>	assertSame(resultOf(src), resultOf(dep));
4090	>	}
4091
4092	<	/**
4093	<	* applyToEitherAsync result completes exceptionally if action does
4094	<	*/
4095	<	public void testApplyToEitherAsync3E() {
4096	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4097	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
4098	<	FailingFunction r = new FailingFunction();
4099	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
4100	<	f.complete(one);
4101	<	checkCompletedWithWrappedCFException(g);
4102	<	}
4092	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4093	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4094	>	fun : funs) {
4095	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4096	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4097	>	CompletableFuture<?> dep = fun.apply(src);
4098	>	f.cancel(mayInterruptIfRunning);
4099	>	checkCancelled(f);
4100	>	checkCompletedWithWrappedCancellationException(src);
4101	>	checkCompletedWithWrappedCancellationException(dep);
4102	>	assertSame(resultOf(src), resultOf(dep));
4103	>	}
4104	>	}}
4105
4106		/**
4107	<	* applyToEitherAsync result completes exceptionally if either source cancelled
4107	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
4108		*/
4109	<	public void testApplyToEitherAsync4E() {
4110	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4111	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
4112	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
4113	<	assertTrue(f.cancel(true));
4114	<	checkCompletedWithWrappedCancellationException(g);
4115	<
4116	<	f = new CompletableFuture<>();
4117	<	f2 = new CompletableFuture<>();
4118	<	assertTrue(f2.cancel(true));
4119	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
4120	<	checkCompletedWithWrappedCancellationException(g);
4109	>	public void testMinimalCompletionStage_minimality() {
4110	>	if (!testImplementationDetails) return;
4111	>	Function<Method, String> toSignature =
4112	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4113	>	Predicate<Method> isNotStatic =
4114	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4115	>	List<Method> minimalMethods =
4116	>	Stream.of(Object.class, CompletionStage.class)
4117	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4118	>	.filter(isNotStatic)
4119	>	.collect(Collectors.toList());
4120	>	// Methods from CompletableFuture permitted NOT to throw UOE
4121	>	String[] signatureWhitelist = {
4122	>	"newIncompleteFuture[]",
4123	>	"defaultExecutor[]",
4124	>	"minimalCompletionStage[]",
4125	>	"copy[]",
4126	>	};
4127	>	Set<String> permittedMethodSignatures =
4128	>	Stream.concat(minimalMethods.stream().map(toSignature),
4129	>	Stream.of(signatureWhitelist))
4130	>	.collect(Collectors.toSet());
4131	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4132	>	.filter(isNotStatic)
4133	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4134	>	.collect(Collectors.toList());
4135	>
4136	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4137	>	CompletionStage<Integer> min =
4138	>	new CompletableFuture<Integer>().minimalCompletionStage();
4139	>	stages.add(min);
4140	>	stages.add(min.thenApply(x -> x));
4141	>	stages.add(CompletableFuture.completedStage(1));
4142	>	stages.add(CompletableFuture.failedStage(new CFException()));
4143	>
4144	>	List<Method> bugs = new ArrayList<>();
4145	>	for (Method method : allMethods) {
4146	>	Class<?>[] parameterTypes = method.getParameterTypes();
4147	>	Object[] args = new Object[parameterTypes.length];
4148	>	// Manufacture boxed primitives for primitive params
4149	>	for (int i = 0; i < args.length; i++) {
4150	>	Class<?> type = parameterTypes[i];
4151	>	if (parameterTypes[i] == boolean.class)
4152	>	args[i] = false;
4153	>	else if (parameterTypes[i] == int.class)
4154	>	args[i] = 0;
4155	>	else if (parameterTypes[i] == long.class)
4156	>	args[i] = 0L;
4157	>	}
4158	>	for (CompletionStage<Integer> stage : stages) {
4159	>	try {
4160	>	method.invoke(stage, args);
4161	>	bugs.add(method);
4162	>	}
4163	>	catch (java.lang.reflect.InvocationTargetException expected) {
4164	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4165	>	bugs.add(method);
4166	>	// expected.getCause().printStackTrace();
4167	>	}
4168	>	}
4169	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4170	>	}
4171	>	}
4172	>	if (!bugs.isEmpty())
4173	>	throw new Error("Methods did not throw UOE: " + bugs);
4174		}
4175
4176		/**
4177	<	* acceptEitherAsync result completes normally after normal
4178	<	* completion of sources
4177	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4178	>	* is completed normally, with the same value, when source is.
4179		*/
4180	<	public void testAcceptEitherAsyncE() {
4180	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4181	>	for (boolean createIncomplete : new boolean[] { true, false })
4182	>	for (Integer v1 : new Integer[] { 1, null })
4183	>	{
4184		CompletableFuture<Integer> f = new CompletableFuture<>();
4185	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
4186	<	IncAction r = new IncAction();
4187	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
4188	<	f.complete(one);
4189	<	checkCompletedNormally(g, null);
4190	<	assertEquals(r.value, 2);
4191	<
4192	<	r = new IncAction();
4193	<	f = new CompletableFuture<>();
4194	<	f.complete(one);
4195	<	f2 = new CompletableFuture<>();
2771	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2772	<	checkCompletedNormally(g, null);
2773	<	assertEquals(r.value, 2);
2774	<	}
4185	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4186	>	if (!createIncomplete) assertTrue(f.complete(v1));
4187	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4188	>	if (createIncomplete) {
4189	>	checkIncomplete(f);
4190	>	checkIncomplete(g);
4191	>	assertTrue(f.complete(v1));
4192	>	}
4193	>	checkCompletedNormally(f, v1);
4194	>	checkCompletedNormally(g, v1);
4195	>	}}
4196
4197		/**
4198	<	* acceptEitherAsync result completes exceptionally after exceptional
4199	<	* completion of source
4198	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4199	>	* is completed exceptionally when source is.
4200		*/
4201	<	public void testAcceptEitherAsync2E() {
4201	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4202	>	for (boolean createIncomplete : new boolean[] { true, false })
4203	>	{
4204	>	CFException ex = new CFException();
4205		CompletableFuture<Integer> f = new CompletableFuture<>();
4206	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
4207	<	IncAction r = new IncAction();
4208	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
4209	<	f.completeExceptionally(new CFException());
4210	<	checkCompletedWithWrappedCFException(g);
4211	<
4212	<	r = new IncAction();
4213	<	f = new CompletableFuture<>();
4214	<	f2 = new CompletableFuture<>();
4215	<	f2.completeExceptionally(new CFException());
4216	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2793	<	f.complete(one);
2794	<	checkCompletedWithWrappedCFException(g);
2795	<	}
4206	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4207	>	if (!createIncomplete) f.completeExceptionally(ex);
4208	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4209	>	if (createIncomplete) {
4210	>	checkIncomplete(f);
4211	>	checkIncomplete(g);
4212	>	f.completeExceptionally(ex);
4213	>	}
4214	>	checkCompletedExceptionally(f, ex);
4215	>	checkCompletedWithWrappedException(g, ex);
4216	>	}}
4217
4218		/**
4219	<	* acceptEitherAsync result completes exceptionally if action does
4219	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4220		*/
4221	<	public void testAcceptEitherAsync3E() {
4221	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4222	>	for (Integer v1 : new Integer[] { 1, null })
4223	>	{
4224		CompletableFuture<Integer> f = new CompletableFuture<>();
4225	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
4226	<	FailingConsumer r = new FailingConsumer();
4227	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
4228	<	f.complete(one);
4229	<	checkCompletedWithWrappedCFException(g);
4230	<	}
4225	>	CompletionStage minimal = f.minimalCompletionStage();
4226	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4227	>	assertTrue(g.complete(v1));
4228	>	checkCompletedNormally(g, v1);
4229	>	checkIncomplete(f);
4230	>	checkIncomplete(minimal.toCompletableFuture());
4231	>	}}
4232
4233		/**
4234	<	* acceptEitherAsync result completes exceptionally if either
2811	<	* source cancelled
4234	>	* minimalStage.toCompletableFuture().join() awaits completion
4235		*/
4236	<	public void testAcceptEitherAsync4E() {
4236	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4237	>	for (boolean createIncomplete : new boolean[] { true, false })
4238	>	for (Integer v1 : new Integer[] { 1, null })
4239	>	{
4240		CompletableFuture<Integer> f = new CompletableFuture<>();
4241	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
4242	<	IncAction r = new IncAction();
4243	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
4244	<	assertTrue(f.cancel(true));
4245	<	checkCompletedWithWrappedCancellationException(g);
4246	<
4247	<	r = new IncAction();
4248	<	f = new CompletableFuture<>();
4249	<	f2 = new CompletableFuture<>();
4250	<	assertTrue(f2.cancel(true));
4251	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
4252	<	checkCompletedWithWrappedCancellationException(g);
4241	>	if (!createIncomplete) assertTrue(f.complete(v1));
4242	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4243	>	if (createIncomplete) assertTrue(f.complete(v1));
4244	>	assertEquals(v1, minimal.toCompletableFuture().join());
4245	>	assertEquals(v1, minimal.toCompletableFuture().get());
4246	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4247	>	}}
4248	>
4249	>	/**
4250	>	* Completion of a toCompletableFuture copy of a minimal stage
4251	>	* does not complete its source.
4252	>	*/
4253	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4254	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4255	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4256	>	assertTrue(g.toCompletableFuture().complete(1));
4257	>	assertTrue(g.toCompletableFuture().complete(null));
4258	>	assertTrue(g.toCompletableFuture().cancel(true));
4259	>	assertTrue(g.toCompletableFuture().cancel(false));
4260	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4261	>	checkIncomplete(g.toCompletableFuture());
4262	>	f.complete(1);
4263	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4264		}
4265
4266	<	/**
4267	<	* runAfterEitherAsync result completes normally after normal
4268	<	* completion of sources
4269	<	*/
4270	<	public void testRunAfterEitherAsyncE() {
4271	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4272	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
4273	<	Noop r = new Noop();
4274	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2838	<	f.complete(one);
2839	<	checkCompletedNormally(g, null);
2840	<	assertTrue(r.ran);
2841	<
2842	<	r = new Noop();
2843	<	f = new CompletableFuture<>();
2844	<	f.complete(one);
2845	<	f2 = new CompletableFuture<>();
2846	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2847	<	checkCompletedNormally(g, null);
2848	<	assertTrue(r.ran);
4266	>	/** Demo utility method for external reliable toCompletableFuture */
4267	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4268	>	CompletableFuture<T> f = new CompletableFuture<>();
4269	>	stage.handle((T t, Throwable ex) -> {
4270	>	if (ex != null) f.completeExceptionally(ex);
4271	>	else f.complete(t);
4272	>	return null;
4273	>	});
4274	>	return f;
4275		}
4276
4277	<	/**
4278	<	* runAfterEitherAsync result completes exceptionally after exceptional
4279	<	* completion of source
2854	<	*/
2855	<	public void testRunAfterEitherAsync2E() {
2856	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2857	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2858	<	Noop r = new Noop();
2859	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2860	<	f.completeExceptionally(new CFException());
2861	<	checkCompletedWithWrappedCFException(g);
2862	<
2863	<	r = new Noop();
2864	<	f = new CompletableFuture<>();
2865	<	f2 = new CompletableFuture<>();
2866	<	f2.completeExceptionally(new CFException());
2867	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2868	<	f.complete(one);
2869	<	checkCompletedWithWrappedCFException(g);
4277	>	/** Demo utility method to join a CompletionStage */
4278	>	static <T> T join(CompletionStage<T> stage) {
4279	>	return toCompletableFuture(stage).join();
4280		}
4281
4282		/**
4283	<	* runAfterEitherAsync result completes exceptionally if action does
4283	>	* Joining a minimal stage "by hand" works
4284		*/
4285	<	public void testRunAfterEitherAsync3E() {
4285	>	public void testMinimalCompletionStage_join_by_hand() {
4286	>	for (boolean createIncomplete : new boolean[] { true, false })
4287	>	for (Integer v1 : new Integer[] { 1, null })
4288	>	{
4289		CompletableFuture<Integer> f = new CompletableFuture<>();
4290	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
4291	<	FailingNoop r = new FailingNoop();
4292	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4293	<	f.complete(one);
4294	<	checkCompletedWithWrappedCFException(g);
4295	<	}
4290	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4291	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4292	>	if (!createIncomplete) assertTrue(f.complete(v1));
4293	>	minimal.thenAccept(x -> g.complete(x));
4294	>	if (createIncomplete) assertTrue(f.complete(v1));
4295	>	g.join();
4296	>	checkCompletedNormally(g, v1);
4297	>	checkCompletedNormally(f, v1);
4298	>	assertEquals(v1, join(minimal));
4299	>	}}
4300
4301	<	/**
4302	<	* runAfterEitherAsync result completes exceptionally if either
4303	<	* source cancelled
4304	<	*/
4305	<	public void testRunAfterEitherAsync4E() {
4306	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4307	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
4308	<	Noop r = new Noop();
4309	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4310	<	assertTrue(f.cancel(true));
4311	<	checkCompletedWithWrappedCancellationException(g);
4301	>	static class Monad {
4302	>	static class ZeroException extends RuntimeException {
4303	>	public ZeroException() { super("monadic zero"); }
4304	>	}
4305	>	// "return", "unit"
4306	>	static <T> CompletableFuture<T> unit(T value) {
4307	>	return completedFuture(value);
4308	>	}
4309	>	// monadic zero ?
4310	>	static <T> CompletableFuture<T> zero() {
4311	>	return failedFuture(new ZeroException());
4312	>	}
4313	>	// >=>
4314	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4315	>	(Function<T, CompletableFuture<U>> f,
4316	>	Function<U, CompletableFuture<V>> g) {
4317	>	return x -> f.apply(x).thenCompose(g);
4318	>	}
4319
4320	<	r = new Noop();
4321	<	f = new CompletableFuture<>();
4322	<	f2 = new CompletableFuture<>();
4323	<	assertTrue(f2.cancel(true));
4324	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4325	<	checkCompletedWithWrappedCancellationException(g);
4326	<	}
4320	>	static void assertZero(CompletableFuture<?> f) {
4321	>	try {
4322	>	f.getNow(null);
4323	>	throw new AssertionError("should throw");
4324	>	} catch (CompletionException success) {
4325	>	assertTrue(success.getCause() instanceof ZeroException);
4326	>	}
4327	>	}
4328
4329	<	/**
4330	<	* thenComposeAsync result completes normally after normal
4331	<	* completion of source
4332	<	*/
4333	<	public void testThenComposeAsyncE() {
4334	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4335	<	CompletableFutureInc r = new CompletableFutureInc();
4336	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
4337	<	f.complete(one);
4338	<	checkCompletedNormally(g, two);
4339	<	}
4329	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4330	>	CompletableFuture<T> g) {
4331	>	T fval = null, gval = null;
4332	>	Throwable fex = null, gex = null;
4333	>
4334	>	try { fval = f.get(); }
4335	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4336	>	catch (Throwable ex) { fex = ex; }
4337	>
4338	>	try { gval = g.get(); }
4339	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4340	>	catch (Throwable ex) { gex = ex; }
4341	>
4342	>	if (fex != null || gex != null)
4343	>	assertSame(fex.getClass(), gex.getClass());
4344	>	else
4345	>	assertEquals(fval, gval);
4346	>	}
4347
4348	<	/**
4349	<	* thenComposeAsync result completes exceptionally after
4350	<	* exceptional completion of source
2919	<	*/
2920	<	public void testThenComposeAsync2E() {
2921	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2922	<	CompletableFutureInc r = new CompletableFutureInc();
2923	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2924	<	f.completeExceptionally(new CFException());
2925	<	checkCompletedWithWrappedCFException(g);
2926	<	}
4348	>	static class PlusFuture<T> extends CompletableFuture<T> {
4349	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4350	>	}
4351
4352	<	/**
4353	<	* thenComposeAsync result completes exceptionally if action does
4354	<	*/
4355	<	public void testThenComposeAsync3E() {
4356	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4357	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
4358	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
4359	<	f.complete(one);
4360	<	checkCompletedWithWrappedCFException(g);
4352	>	/** Implements "monadic plus". */
4353	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4354	>	CompletableFuture<? extends T> g) {
4355	>	PlusFuture<T> plus = new PlusFuture<T>();
4356	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4357	>	try {
4358	>	if (ex == null) {
4359	>	if (plus.complete(result))
4360	>	if (plus.firstFailure.get() != null)
4361	>	plus.firstFailure.set(null);
4362	>	}
4363	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4364	>	if (plus.isDone())
4365	>	plus.firstFailure.set(null);
4366	>	}
4367	>	else {
4368	>	// first failure has precedence
4369	>	Throwable first = plus.firstFailure.getAndSet(null);
4370	>
4371	>	// may fail with "Self-suppression not permitted"
4372	>	try { first.addSuppressed(ex); }
4373	>	catch (Exception ignored) {}
4374	>
4375	>	plus.completeExceptionally(first);
4376	>	}
4377	>	} catch (Throwable unexpected) {
4378	>	plus.completeExceptionally(unexpected);
4379	>	}
4380	>	};
4381	>	f.whenComplete(action);
4382	>	g.whenComplete(action);
4383	>	return plus;
4384	>	}
4385		}
4386
4387		/**
4388	<	* thenComposeAsync result completes exceptionally if source cancelled
4388	>	* CompletableFuture is an additive monad - sort of.
4389	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4390		*/
4391	<	public void testThenComposeAsync4E() {
4392	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4393	<	CompletableFutureInc r = new CompletableFutureInc();
4394	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
4395	<	assertTrue(f.cancel(true));
4396	<	checkCompletedWithWrappedCancellationException(g);
4397	<	}
4398	<
4399	<	// other static methods
4391	>	public void testAdditiveMonad() throws Throwable {
4392	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4393	>	CompletableFuture<Long> zero = Monad.zero();
4394	>
4395	>	// Some mutually non-commutative functions
4396	>	Function<Long, CompletableFuture<Long>> triple
4397	>	= x -> Monad.unit(3 * x);
4398	>	Function<Long, CompletableFuture<Long>> inc
4399	>	= x -> Monad.unit(x + 1);
4400	>
4401	>	// unit is a right identity: m >>= unit === m
4402	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4403	>	inc.apply(5L));
4404	>	// unit is a left identity: (unit x) >>= f === f x
4405	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4406	>	inc.apply(5L));
4407	>
4408	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4409	>	Monad.assertFutureEquals(
4410	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4411	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4412	>
4413	>	// The case for CompletableFuture as an additive monad is weaker...
4414	>
4415	>	// zero is a monadic zero
4416	>	Monad.assertZero(zero);
4417	>
4418	>	// left zero: zero >>= f === zero
4419	>	Monad.assertZero(zero.thenCompose(inc));
4420	>	// right zero: f >>= (\x -> zero) === zero
4421	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4422	>
4423	>	// f plus zero === f
4424	>	Monad.assertFutureEquals(Monad.unit(5L),
4425	>	Monad.plus(Monad.unit(5L), zero));
4426	>	// zero plus f === f
4427	>	Monad.assertFutureEquals(Monad.unit(5L),
4428	>	Monad.plus(zero, Monad.unit(5L)));
4429	>	// zero plus zero === zero
4430	>	Monad.assertZero(Monad.plus(zero, zero));
4431	>	{
4432	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4433	>	Monad.unit(8L));
4434	>	// non-determinism
4435	>	assertTrue(f.get() == 5L || f.get() == 8L);
4436	>	}
4437
4438	<	/**
4439	<	* allOf(no component futures) returns a future completed normally
4440	<	* with the value null
4441	<	*/
4442	<	public void testAllOf_empty() throws Exception {
4443	<	CompletableFuture<Void> f = CompletableFuture.allOf();
4444	<	checkCompletedNormally(f, null);
4438	>	CompletableFuture<Long> godot = new CompletableFuture<>();
4439	>	// f plus godot === f (doesn't wait for godot)
4440	>	Monad.assertFutureEquals(Monad.unit(5L),
4441	>	Monad.plus(Monad.unit(5L), godot));
4442	>	// godot plus f === f (doesn't wait for godot)
4443	>	Monad.assertFutureEquals(Monad.unit(5L),
4444	>	Monad.plus(godot, Monad.unit(5L)));
4445		}
4446
4447	<	/**
4448	<	* allOf returns a future completed normally with the value null
4449	<	* when all components complete normally
4450	<	*/
4451	<	public void testAllOf_normal() throws Exception {
4452	<	for (int k = 1; k < 20; ++k) {
4453	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
4454	<	for (int i = 0; i < k; ++i)
4455	<	fs[i] = new CompletableFuture<>();
4456	<	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
4457	<	for (int i = 0; i < k; ++i) {
4458	<	checkIncomplete(f);
4459	<	checkIncomplete(CompletableFuture.allOf(fs));
4460	<	fs[i].complete(one);
4461	<	}
4462	<	checkCompletedNormally(f, null);
4463	<	checkCompletedNormally(CompletableFuture.allOf(fs), null);
4447	>	/** Test long recursive chains of CompletableFutures with cascading completions */
4448	>	@SuppressWarnings("FutureReturnValueIgnored")
4449	>	public void testRecursiveChains() throws Throwable {
4450	>	for (ExecutionMode m : ExecutionMode.values())
4451	>	for (boolean addDeadEnds : new boolean[] { true, false })
4452	>	{
4453	>	final int val = 42;
4454	>	final int n = expensiveTests ? 1_000 : 2;
4455	>	CompletableFuture<Integer> head = new CompletableFuture<>();
4456	>	CompletableFuture<Integer> tail = head;
4457	>	for (int i = 0; i < n; i++) {
4458	>	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4459	>	tail = m.thenApply(tail, v -> v + 1);
4460	>	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4461	>	tail = m.applyToEither(tail, tail, v -> v + 1);
4462	>	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4463	>	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4464		}
4465	+	head.complete(val);
4466	+	assertEquals(val + 3 * n, (int) tail.join());
4467	+	}}
4468	+
4469	+	/**
4470	+	* A single CompletableFuture with many dependents.
4471	+	* A demo of scalability - runtime is O(n).
4472	+	*/
4473	+	@SuppressWarnings("FutureReturnValueIgnored")
4474	+	public void testManyDependents() throws Throwable {
4475	+	final int n = expensiveTests ? 1_000_000 : 10;
4476	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4477	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4478	+	final AtomicInteger count = new AtomicInteger(0);
4479	+	for (int i = 0; i < n; i++) {
4480	+	head.thenRun(() -> count.getAndIncrement());
4481	+	head.thenAccept(x -> count.getAndIncrement());
4482	+	head.thenApply(x -> count.getAndIncrement());
4483	+
4484	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4485	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4486	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4487	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4488	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4489	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4490	+
4491	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4492	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4493	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4494	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4495	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4496	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4497	+	}
4498	+	head.complete(null);
4499	+	assertEquals(5 * 3 * n, count.get());
4500		}
4501
4502	<	/**
4503	<	* anyOf(no component futures) returns an incomplete future
4504	<	*/
4505	<	public void testAnyOf_empty() throws Exception {
4506	<	CompletableFuture<Object> f = CompletableFuture.anyOf();
4507	<	checkIncomplete(f);
4508	<	}
4509	<
4510	<	/**
4511	<	* anyOf returns a future completed normally with a value when
4512	<	* a component future does
4513	<	*/
4514	<	public void testAnyOf_normal() throws Exception {
4515	<	for (int k = 0; k < 10; ++k) {
4516	<	CompletableFuture[] fs = new CompletableFuture[k];
4517	<	for (int i = 0; i < k; ++i)
4518	<	fs[i] = new CompletableFuture<>();
4519	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
4520	<	checkIncomplete(f);
4521	<	for (int i = 0; i < k; ++i) {
4522	<	fs[i].complete(one);
4523	<	checkCompletedNormally(f, one);
3003	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3004	<	}
4502	>	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4503	>	@SuppressWarnings("FutureReturnValueIgnored")
4504	>	public void testCoCompletionGarbageRetention() throws Throwable {
4505	>	final int n = expensiveTests ? 1_000_000 : 10;
4506	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4507	>	CompletableFuture<Integer> f;
4508	>	for (int i = 0; i < n; i++) {
4509	>	f = new CompletableFuture<>();
4510	>	f.runAfterEither(incomplete, () -> {});
4511	>	f.complete(null);
4512	>
4513	>	f = new CompletableFuture<>();
4514	>	f.acceptEither(incomplete, x -> {});
4515	>	f.complete(null);
4516	>
4517	>	f = new CompletableFuture<>();
4518	>	f.applyToEither(incomplete, x -> x);
4519	>	f.complete(null);
4520	>
4521	>	f = new CompletableFuture<>();
4522	>	CompletableFuture.anyOf(f, incomplete);
4523	>	f.complete(null);
4524		}
3006	–	}
4525
4526	<	/**
4527	<	* anyOf result completes exceptionally when any component does.
4528	<	*/
4529	<	public void testAnyOf_exceptional() throws Exception {
4530	<	for (int k = 0; k < 10; ++k) {
4531	<	CompletableFuture[] fs = new CompletableFuture[k];
4532	<	for (int i = 0; i < k; ++i)
4533	<	fs[i] = new CompletableFuture<>();
4534	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
4535	<	checkIncomplete(f);
4536	<	for (int i = 0; i < k; ++i) {
4537	<	fs[i].completeExceptionally(new CFException());
4538	<	checkCompletedWithWrappedCFException(f);
4539	<	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
4540	<	}
4526	>	for (int i = 0; i < n; i++) {
4527	>	f = new CompletableFuture<>();
4528	>	incomplete.runAfterEither(f, () -> {});
4529	>	f.complete(null);
4530	>
4531	>	f = new CompletableFuture<>();
4532	>	incomplete.acceptEither(f, x -> {});
4533	>	f.complete(null);
4534	>
4535	>	f = new CompletableFuture<>();
4536	>	incomplete.applyToEither(f, x -> x);
4537	>	f.complete(null);
4538	>
4539	>	f = new CompletableFuture<>();
4540	>	CompletableFuture.anyOf(incomplete, f);
4541	>	f.complete(null);
4542		}
4543		}
4544
4545		/**
4546	<	* Completion methods throw NullPointerException with null arguments
4547	<	*/
4548	<	public void testNPE() {
4549	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4550	<	CompletableFuture<Integer> g = new CompletableFuture<>();
4551	<	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
4552	<	CompletableFuture<?> h;
4553	<	ThreadExecutor exec = new ThreadExecutor();
4554	<
4555	<	Runnable[] throwingActions = {
4556	<	() -> CompletableFuture.supplyAsync(null),
4557	<	() -> CompletableFuture.supplyAsync(null, exec),
4558	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
4559	<
4560	<	() -> CompletableFuture.runAsync(null),
4561	<	() -> CompletableFuture.runAsync(null, exec),
4562	<	() -> CompletableFuture.runAsync(() -> {}, null),
4563	<
4564	<	() -> f.completeExceptionally(null),
4565	<
4566	<	() -> f.thenApply(null),
4567	<	() -> f.thenApplyAsync(null),
4568	<	() -> f.thenApplyAsync((x) -> x, null),
4569	<	() -> f.thenApplyAsync(null, exec),
4570	<
4571	<	() -> f.thenAccept(null),
4572	<	() -> f.thenAcceptAsync(null),
4573	<	() -> f.thenAcceptAsync((x) -> {} , null),
4574	<	() -> f.thenAcceptAsync(null, exec),
4575	<
4576	<	() -> f.thenRun(null),
4577	<	() -> f.thenRunAsync(null),
4578	<	() -> f.thenRunAsync(() -> {} , null),
4579	<	() -> f.thenRunAsync(null, exec),
4580	<
4581	<	() -> f.thenCombine(g, null),
4582	<	() -> f.thenCombineAsync(g, null),
4583	<	() -> f.thenCombineAsync(g, null, exec),
4584	<	() -> f.thenCombine(nullFuture, (x, y) -> x),
4585	<	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
4586	<	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
4587	<	() -> f.thenCombineAsync(g, (x, y) -> x, null),
4588	<
4589	<	() -> f.thenAcceptBoth(g, null),
4590	<	() -> f.thenAcceptBothAsync(g, null),
4591	<	() -> f.thenAcceptBothAsync(g, null, exec),
4592	<	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
4593	<	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
4594	<	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
4595	<	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
4596	<
4597	<	() -> f.runAfterBoth(g, null),
4598	<	() -> f.runAfterBothAsync(g, null),
4599	<	() -> f.runAfterBothAsync(g, null, exec),
4600	<	() -> f.runAfterBoth(nullFuture, () -> {}),
4601	<	() -> f.runAfterBothAsync(nullFuture, () -> {}),
4602	<	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
4603	<	() -> f.runAfterBothAsync(g, () -> {}, null),
4604	<
4605	<	() -> f.applyToEither(g, null),
4606	<	() -> f.applyToEitherAsync(g, null),
4607	<	() -> f.applyToEitherAsync(g, null, exec),
4608	<	() -> f.applyToEither(nullFuture, (x) -> x),
4609	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
4610	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
4611	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
4612	<
4613	<	() -> f.acceptEither(g, null),
4614	<	() -> f.acceptEitherAsync(g, null),
4615	<	() -> f.acceptEitherAsync(g, null, exec),
4616	<	() -> f.acceptEither(nullFuture, (x) -> {}),
4617	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
4618	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
4619	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
4620	<
4621	<	() -> f.runAfterEither(g, null),
4622	<	() -> f.runAfterEitherAsync(g, null),
4623	<	() -> f.runAfterEitherAsync(g, null, exec),
4624	<	() -> f.runAfterEither(nullFuture, () -> {}),
4625	<	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
4626	<	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
4627	<	() -> f.runAfterEitherAsync(g, () -> {}, null),
4628	<
4629	<	() -> f.thenCompose(null),
4630	<	() -> f.thenComposeAsync(null),
4631	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
4632	<	() -> f.thenComposeAsync(null, exec),
4633	<
4634	<	() -> f.exceptionally(null),
4635	<
4636	<	() -> f.handle(null),
4637	<
4638	<	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
4639	<	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
4640	<	() -> CompletableFuture.allOf(f, null),
4641	<	() -> CompletableFuture.allOf(null, f),
4642	<
4643	<	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
4644	<	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
4645	<	() -> CompletableFuture.anyOf(f, null),
4646	<	() -> CompletableFuture.anyOf(null, f),
4647	<
4648	<	() -> f.obtrudeException(null),
4649	<	};
4650	<
4651	<	assertThrows(NullPointerException.class, throwingActions);
4652	<	assertEquals(0, exec.count.get());
4546	>	* Reproduction recipe for:
4547	>	* 8160402: Garbage retention with CompletableFuture.anyOf
4548	>	* cvs update -D '2016-05-01' ./src/main/java/util/concurrent/CompletableFuture.java && ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testAnyOfGarbageRetention tck; cvs update -A
4549	>	*/
4550	>	public void testAnyOfGarbageRetention() throws Throwable {
4551	>	for (Integer v : new Integer[] { 1, null })
4552	>	{
4553	>	final int n = expensiveTests ? 100_000 : 10;
4554	>	CompletableFuture<Integer>[] fs
4555	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4556	>	for (int i = 0; i < fs.length; i++)
4557	>	fs[i] = new CompletableFuture<>();
4558	>	fs[fs.length - 1].complete(v);
4559	>	for (int i = 0; i < n; i++)
4560	>	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4561	>	}}
4562	>
4563	>	/**
4564	>	* Checks for garbage retention with allOf.
4565	>	*
4566	>	* As of 2016-07, fails with OOME:
4567	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4568	>	*/
4569	>	public void testCancelledAllOfGarbageRetention() throws Throwable {
4570	>	final int n = expensiveTests ? 100_000 : 10;
4571	>	CompletableFuture<Integer>[] fs
4572	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4573	>	for (int i = 0; i < fs.length; i++)
4574	>	fs[i] = new CompletableFuture<>();
4575	>	for (int i = 0; i < n; i++)
4576	>	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4577	>	}
4578	>
4579	>	/**
4580	>	* Checks for garbage retention when a dependent future is
4581	>	* cancelled and garbage-collected.
4582	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4583	>	*
4584	>	* As of 2016-07, fails with OOME:
4585	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4586	>	*/
4587	>	public void testCancelledGarbageRetention() throws Throwable {
4588	>	final int n = expensiveTests ? 100_000 : 10;
4589	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4590	>	for (int i = 0; i < n; i++)
4591	>	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4592	>	}
4593	>
4594	>	/**
4595	>	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4596	>	* is invoked many times.
4597	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4598	>	*
4599	>	* As of 2016-07, fails with OOME:
4600	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4601	>	*/
4602	>	public void testToCompletableFutureGarbageRetention() throws Throwable {
4603	>	final int n = expensiveTests ? 900_000 : 10;
4604	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4605	>	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4606	>	for (int i = 0; i < n; i++)
4607	>	assertTrue(minimal.toCompletableFuture().cancel(true));
4608	>	}
4609	>
4610	>	//     static <U> U join(CompletionStage<U> stage) {
4611	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4612	>	//         stage.whenComplete((v, ex) -> {
4613	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4614	>	//         });
4615	>	//         return f.join();
4616	>	//     }
4617	>
4618	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
4619	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4620	>	//         stage.whenComplete((v, ex) -> {
4621	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4622	>	//         });
4623	>	//         return f.isDone();
4624	>	//     }
4625	>
4626	>	//     static <U> U join2(CompletionStage<U> stage) {
4627	>	//         return stage.toCompletableFuture().copy().join();
4628	>	//     }
4629	>
4630	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4631	>	//         return stage.toCompletableFuture().copy().isDone();
4632	>	//     }
4633	>
4634	>	// For testing default implementations
4635	>	// Only non-default interface methods defined.
4636	>	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4637	>	final CompletableFuture<T> cf;
4638	>	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4639	>	public CompletableFuture<T> toCompletableFuture() {
4640	>	return cf; }
4641	>	public CompletionStage<Void> thenRun
4642	>	(Runnable action) {
4643	>	return cf.thenRun(action); }
4644	>	public CompletionStage<Void> thenRunAsync
4645	>	(Runnable action) {
4646	>	return cf.thenRunAsync(action); }
4647	>	public CompletionStage<Void> thenRunAsync
4648	>	(Runnable action,
4649	>	Executor executor) {
4650	>	return cf.thenRunAsync(action, executor); }
4651	>	public CompletionStage<Void> thenAccept
4652	>	(Consumer<? super T> action) {
4653	>	return cf.thenAccept(action); }
4654	>	public CompletionStage<Void> thenAcceptAsync
4655	>	(Consumer<? super T> action) {
4656	>	return cf.thenAcceptAsync(action); }
4657	>	public CompletionStage<Void> thenAcceptAsync
4658	>	(Consumer<? super T> action,
4659	>	Executor executor) {
4660	>	return cf.thenAcceptAsync(action, executor); }
4661	>	public <U> CompletionStage<U> thenApply
4662	>	(Function<? super T,? extends U> a) {
4663	>	return cf.thenApply(a); }
4664	>	public <U> CompletionStage<U> thenApplyAsync
4665	>	(Function<? super T,? extends U> fn) {
4666	>	return cf.thenApplyAsync(fn); }
4667	>	public <U> CompletionStage<U> thenApplyAsync
4668	>	(Function<? super T,? extends U> fn,
4669	>	Executor executor) {
4670	>	return cf.thenApplyAsync(fn, executor); }
4671	>	public <U,V> CompletionStage<V> thenCombine
4672	>	(CompletionStage<? extends U> other,
4673	>	BiFunction<? super T,? super U,? extends V> fn) {
4674	>	return cf.thenCombine(other, fn); }
4675	>	public <U,V> CompletionStage<V> thenCombineAsync
4676	>	(CompletionStage<? extends U> other,
4677	>	BiFunction<? super T,? super U,? extends V> fn) {
4678	>	return cf.thenCombineAsync(other, fn); }
4679	>	public <U,V> CompletionStage<V> thenCombineAsync
4680	>	(CompletionStage<? extends U> other,
4681	>	BiFunction<? super T,? super U,? extends V> fn,
4682	>	Executor executor) {
4683	>	return cf.thenCombineAsync(other, fn, executor); }
4684	>	public <U> CompletionStage<Void> thenAcceptBoth
4685	>	(CompletionStage<? extends U> other,
4686	>	BiConsumer<? super T, ? super U> action) {
4687	>	return cf.thenAcceptBoth(other, action); }
4688	>	public <U> CompletionStage<Void> thenAcceptBothAsync
4689	>	(CompletionStage<? extends U> other,
4690	>	BiConsumer<? super T, ? super U> action) {
4691	>	return cf.thenAcceptBothAsync(other, action); }
4692	>	public <U> CompletionStage<Void> thenAcceptBothAsync
4693	>	(CompletionStage<? extends U> other,
4694	>	BiConsumer<? super T, ? super U> action,
4695	>	Executor executor) {
4696	>	return cf.thenAcceptBothAsync(other, action, executor); }
4697	>	public CompletionStage<Void> runAfterBoth
4698	>	(CompletionStage<?> other,
4699	>	Runnable action) {
4700	>	return cf.runAfterBoth(other, action); }
4701	>	public CompletionStage<Void> runAfterBothAsync
4702	>	(CompletionStage<?> other,
4703	>	Runnable action) {
4704	>	return cf.runAfterBothAsync(other, action); }
4705	>	public CompletionStage<Void> runAfterBothAsync
4706	>	(CompletionStage<?> other,
4707	>	Runnable action,
4708	>	Executor executor) {
4709	>	return cf.runAfterBothAsync(other, action, executor); }
4710	>	public <U> CompletionStage<U> applyToEither
4711	>	(CompletionStage<? extends T> other,
4712	>	Function<? super T, U> fn) {
4713	>	return cf.applyToEither(other, fn); }
4714	>	public <U> CompletionStage<U> applyToEitherAsync
4715	>	(CompletionStage<? extends T> other,
4716	>	Function<? super T, U> fn) {
4717	>	return cf.applyToEitherAsync(other, fn); }
4718	>	public <U> CompletionStage<U> applyToEitherAsync
4719	>	(CompletionStage<? extends T> other,
4720	>	Function<? super T, U> fn,
4721	>	Executor executor) {
4722	>	return cf.applyToEitherAsync(other, fn, executor); }
4723	>	public CompletionStage<Void> acceptEither
4724	>	(CompletionStage<? extends T> other,
4725	>	Consumer<? super T> action) {
4726	>	return cf.acceptEither(other, action); }
4727	>	public CompletionStage<Void> acceptEitherAsync
4728	>	(CompletionStage<? extends T> other,
4729	>	Consumer<? super T> action) {
4730	>	return cf.acceptEitherAsync(other, action); }
4731	>	public CompletionStage<Void> acceptEitherAsync
4732	>	(CompletionStage<? extends T> other,
4733	>	Consumer<? super T> action,
4734	>	Executor executor) {
4735	>	return cf.acceptEitherAsync(other, action, executor); }
4736	>	public CompletionStage<Void> runAfterEither
4737	>	(CompletionStage<?> other,
4738	>	Runnable action) {
4739	>	return cf.runAfterEither(other, action); }
4740	>	public CompletionStage<Void> runAfterEitherAsync
4741	>	(CompletionStage<?> other,
4742	>	Runnable action) {
4743	>	return cf.runAfterEitherAsync(other, action); }
4744	>	public CompletionStage<Void> runAfterEitherAsync
4745	>	(CompletionStage<?> other,
4746	>	Runnable action,
4747	>	Executor executor) {
4748	>	return cf.runAfterEitherAsync(other, action, executor); }
4749	>	public <U> CompletionStage<U> thenCompose
4750	>	(Function<? super T, ? extends CompletionStage<U>> fn) {
4751	>	return cf.thenCompose(fn); }
4752	>	public <U> CompletionStage<U> thenComposeAsync
4753	>	(Function<? super T, ? extends CompletionStage<U>> fn) {
4754	>	return cf.thenComposeAsync(fn); }
4755	>	public <U> CompletionStage<U> thenComposeAsync
4756	>	(Function<? super T, ? extends CompletionStage<U>> fn,
4757	>	Executor executor) {
4758	>	return cf.thenComposeAsync(fn, executor); }
4759	>	public <U> CompletionStage<U> handle
4760	>	(BiFunction<? super T, Throwable, ? extends U> fn) {
4761	>	return cf.handle(fn); }
4762	>	public <U> CompletionStage<U> handleAsync
4763	>	(BiFunction<? super T, Throwable, ? extends U> fn) {
4764	>	return cf.handleAsync(fn); }
4765	>	public <U> CompletionStage<U> handleAsync
4766	>	(BiFunction<? super T, Throwable, ? extends U> fn,
4767	>	Executor executor) {
4768	>	return cf.handleAsync(fn, executor); }
4769	>	public CompletionStage<T> whenComplete
4770	>	(BiConsumer<? super T, ? super Throwable> action) {
4771	>	return cf.whenComplete(action); }
4772	>	public CompletionStage<T> whenCompleteAsync
4773	>	(BiConsumer<? super T, ? super Throwable> action) {
4774	>	return cf.whenCompleteAsync(action); }
4775	>	public CompletionStage<T> whenCompleteAsync
4776	>	(BiConsumer<? super T, ? super Throwable> action,
4777	>	Executor executor) {
4778	>	return cf.whenCompleteAsync(action, executor); }
4779	>	public CompletionStage<T> exceptionally
4780	>	(Function<Throwable, ? extends T> fn) {
4781	>	return cf.exceptionally(fn); }
4782		}
4783
4784		/**
4785	<	* toCompletableFuture returns this CompletableFuture.
4785	>	* default-implemented exceptionallyAsync action completes with
4786	>	* function value on source exception
4787		*/
4788	<	public void testToCompletableFuture() {
4789	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4790	<	assertSame(f, f.toCompletableFuture());
4791	<	}
4788	>	public void testDefaulExceptionallyAsync_exceptionalCompletion() {
4789	>	for (boolean createIncomplete : new boolean[] { true, false })
4790	>	for (Integer v1 : new Integer[] { 1, null })
4791	>	{
4792	>	final AtomicInteger a = new AtomicInteger(0);
4793	>	final CFException ex = new CFException();
4794	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4795	>	final DelegatedCompletionStage<Integer> d =
4796	>	new DelegatedCompletionStage<Integer>(f);
4797	>	if (!createIncomplete) f.completeExceptionally(ex);
4798	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4799	>	((Throwable t) -> {
4800	>	threadAssertSame(t, ex);
4801	>	a.getAndIncrement();
4802	>	return v1;
4803	>	});
4804	>	if (createIncomplete) f.completeExceptionally(ex);
4805	>
4806	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4807	>	assertEquals(1, a.get());
4808	>	}}
4809	>
4810	>	/**
4811	>	* Under default implementation, if an "exceptionally action"
4812	>	* throws an exception, it completes exceptionally with that
4813	>	* exception
4814	>	*/
4815	>	public void testDefaulExceptionallyAsync_exceptionalCompletionActionFailed() {
4816	>	for (boolean createIncomplete : new boolean[] { true, false })
4817	>	{
4818	>	final AtomicInteger a = new AtomicInteger(0);
4819	>	final CFException ex1 = new CFException();
4820	>	final CFException ex2 = new CFException();
4821	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4822	>	final DelegatedCompletionStage<Integer> d =
4823	>	new DelegatedCompletionStage<Integer>(f);
4824	>	if (!createIncomplete) f.completeExceptionally(ex1);
4825	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4826	>	((Throwable t) -> {
4827	>	threadAssertSame(t, ex1);
4828	>	a.getAndIncrement();
4829	>	throw ex2;
4830	>	});
4831	>	if (createIncomplete) f.completeExceptionally(ex1);
4832	>
4833	>	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4834	>	checkCompletedExceptionally(f, ex1);
4835	>	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4836	>	assertEquals(1, a.get());
4837	>	}}
4838
4839		/**
4840	<	* whenComplete action executes on normal completion, propagating
4841	<	* source result.
4840	>	* default exceptionallyCompose result completes normally after normal
4841	>	* completion of source
4842		*/
4843	<	public void testWhenComplete1() {
4844	<	final AtomicInteger a = new AtomicInteger();
4845	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4846	<	CompletableFuture<Integer> g =
4847	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
4848	<	f.complete(three);
4849	<	checkCompletedNormally(f, three);
4850	<	checkCompletedNormally(g, three);
4851	<	assertEquals(a.get(), 1);
4852	<	}
4843	>	public void testDefaultExceptionallyCompose_normalCompletion() {
4844	>	for (boolean createIncomplete : new boolean[] { true, false })
4845	>	for (Integer v1 : new Integer[] { 1, null })
4846	>	{
4847	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4848	>	final ExceptionalCompletableFutureFunction r =
4849	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4850	>	final DelegatedCompletionStage<Integer> d =
4851	>	new DelegatedCompletionStage<Integer>(f);
4852	>	if (!createIncomplete) assertTrue(f.complete(v1));
4853	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4854	>	if (createIncomplete) assertTrue(f.complete(v1));
4855
4856	<	/**
4857	<	* whenComplete action executes on exceptional completion, propagating
4858	<	* source result.
4859	<	*/
3163	<	public void testWhenComplete2() {
3164	<	final AtomicInteger a = new AtomicInteger();
3165	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3166	<	CompletableFuture<Integer> g =
3167	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3168	<	f.completeExceptionally(new CFException());
3169	<	assertTrue(f.isCompletedExceptionally());
3170	<	assertTrue(g.isCompletedExceptionally());
3171	<	assertEquals(a.get(), 1);
3172	<	}
4856	>	checkCompletedNormally(f, v1);
4857	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4858	>	r.assertNotInvoked();
4859	>	}}
4860
4861		/**
4862	<	* If a whenComplete action throws an exception when triggered by
4863	<	* a normal completion, it completes exceptionally
4862	>	* default-implemented exceptionallyCompose result completes
4863	>	* normally after exceptional completion of source
4864		*/
4865	<	public void testWhenComplete3() {
4866	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4867	<	CompletableFuture<Integer> g =
4868	<	f.whenComplete((Integer x, Throwable t) ->
4869	<	{ throw new CFException(); } );
4870	<	f.complete(three);
4871	<	checkCompletedNormally(f, three);
4872	<	assertTrue(g.isCompletedExceptionally());
4873	<	checkCompletedWithWrappedCFException(g);
4874	<	}
4865	>	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4866	>	for (boolean createIncomplete : new boolean[] { true, false })
4867	>	{
4868	>	final CFException ex = new CFException();
4869	>	final ExceptionalCompletableFutureFunction r =
4870	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4871	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4872	>	final DelegatedCompletionStage<Integer> d =
4873	>	new DelegatedCompletionStage<Integer>(f);
4874	>	if (!createIncomplete) f.completeExceptionally(ex);
4875	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4876	>	if (createIncomplete) f.completeExceptionally(ex);
4877	>
4878	>	checkCompletedExceptionally(f, ex);
4879	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
4880	>	r.assertInvoked();
4881	>	}}
4882
4883		/**
4884	<	* whenCompleteAsync action executes on normal completion, propagating
4885	<	* source result.
4884	>	* default-implemented exceptionallyCompose completes
4885	>	* exceptionally on exception if action does
4886		*/
4887	<	public void testWhenCompleteAsync1() {
4888	<	final AtomicInteger a = new AtomicInteger();
4889	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4890	<	CompletableFuture<Integer> g =
4891	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
4892	<	f.complete(three);
4893	<	checkCompletedNormally(f, three);
4894	<	checkCompletedNormally(g, three);
4895	<	assertEquals(a.get(), 1);
4896	<	}
4887	>	public void testDefaultExceptionallyCompose_actionFailed() {
4888	>	for (boolean createIncomplete : new boolean[] { true, false })
4889	>	for (Integer v1 : new Integer[] { 1, null })
4890	>	{
4891	>	final CFException ex = new CFException();
4892	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4893	>	final FailingExceptionalCompletableFutureFunction r
4894	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4895	>	final DelegatedCompletionStage<Integer> d =
4896	>	new DelegatedCompletionStage<Integer>(f);
4897	>	if (!createIncomplete) f.completeExceptionally(ex);
4898	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4899	>	if (createIncomplete) f.completeExceptionally(ex);
4900	>
4901	>	checkCompletedExceptionally(f, ex);
4902	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4903	>	r.assertInvoked();
4904	>	}}
4905
4906		/**
4907	<	* whenCompleteAsync action executes on exceptional completion, propagating
4908	<	* source result.
4907	>	* default exceptionallyComposeAsync result completes normally after normal
4908	>	* completion of source
4909		*/
4910	<	public void testWhenCompleteAsync2() {
4911	<	final AtomicInteger a = new AtomicInteger();
4912	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4913	<	CompletableFuture<Integer> g =
4914	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
4915	<	f.completeExceptionally(new CFException());
4916	<	checkCompletedWithWrappedCFException(f);
4917	<	checkCompletedWithWrappedCFException(g);
4918	<	}
4910	>	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4911	>	for (boolean createIncomplete : new boolean[] { true, false })
4912	>	for (Integer v1 : new Integer[] { 1, null })
4913	>	{
4914	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4915	>	final ExceptionalCompletableFutureFunction r =
4916	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4917	>	final DelegatedCompletionStage<Integer> d =
4918	>	new DelegatedCompletionStage<Integer>(f);
4919	>	if (!createIncomplete) assertTrue(f.complete(v1));
4920	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4921	>	if (createIncomplete) assertTrue(f.complete(v1));
4922
4923	<	/**
4924	<	* If a whenCompleteAsync action throws an exception when
4925	<	* triggered by a normal completion, it completes exceptionally
4926	<	*/
3222	<	public void testWhenCompleteAsync3() {
3223	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3224	<	CompletableFuture<Integer> g =
3225	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3226	<	{ throw new CFException(); } );
3227	<	f.complete(three);
3228	<	checkCompletedNormally(f, three);
3229	<	checkCompletedWithWrappedCFException(g);
3230	<	}
4923	>	checkCompletedNormally(f, v1);
4924	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4925	>	r.assertNotInvoked();
4926	>	}}
4927
4928		/**
4929	<	* whenCompleteAsync action executes on normal completion, propagating
4930	<	* source result.
4929	>	* default-implemented exceptionallyComposeAsync result completes
4930	>	* normally after exceptional completion of source
4931		*/
4932	<	public void testWhenCompleteAsync1e() {
4933	<	final AtomicInteger a = new AtomicInteger();
4934	<	ThreadExecutor exec = new ThreadExecutor();
4935	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4936	<	CompletableFuture<Integer> g =
4937	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
4938	<	exec);
4939	<	f.complete(three);
4940	<	checkCompletedNormally(f, three);
4941	<	checkCompletedNormally(g, three);
4942	<	assertEquals(a.get(), 1);
4943	<	}
4932	>	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
4933	>	for (boolean createIncomplete : new boolean[] { true, false })
4934	>	{
4935	>	final CFException ex = new CFException();
4936	>	final ExceptionalCompletableFutureFunction r =
4937	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4938	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4939	>	final DelegatedCompletionStage<Integer> d =
4940	>	new DelegatedCompletionStage<Integer>(f);
4941	>	if (!createIncomplete) f.completeExceptionally(ex);
4942	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4943	>	if (createIncomplete) f.completeExceptionally(ex);
4944	>
4945	>	checkCompletedExceptionally(f, ex);
4946	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
4947	>	r.assertInvoked();
4948	>	}}
4949
4950		/**
4951	<	* whenCompleteAsync action executes on exceptional completion, propagating
4952	<	* source result.
4951	>	* default-implemented exceptionallyComposeAsync completes
4952	>	* exceptionally on exception if action does
4953		*/
4954	<	public void testWhenCompleteAsync2e() {
4955	<	final AtomicInteger a = new AtomicInteger();
4956	<	ThreadExecutor exec = new ThreadExecutor();
4957	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4958	<	CompletableFuture<Integer> g =
4959	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
4960	<	exec);
4961	<	f.completeExceptionally(new CFException());
4962	<	checkCompletedWithWrappedCFException(f);
4963	<	checkCompletedWithWrappedCFException(g);
4964	<	}
4954	>	public void testDefaultExceptionallyComposeAsync_actionFailed() {
4955	>	for (boolean createIncomplete : new boolean[] { true, false })
4956	>	for (Integer v1 : new Integer[] { 1, null })
4957	>	{
4958	>	final CFException ex = new CFException();
4959	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4960	>	final FailingExceptionalCompletableFutureFunction r
4961	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4962	>	final DelegatedCompletionStage<Integer> d =
4963	>	new DelegatedCompletionStage<Integer>(f);
4964	>	if (!createIncomplete) f.completeExceptionally(ex);
4965	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4966	>	if (createIncomplete) f.completeExceptionally(ex);
4967	>
4968	>	checkCompletedExceptionally(f, ex);
4969	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4970	>	r.assertInvoked();
4971	>	}}
4972
3265	–	/**
3266	–	* If a whenCompleteAsync action throws an exception when triggered
3267	–	* by a normal completion, it completes exceptionally
3268	–	*/
3269	–	public void testWhenCompleteAsync3e() {
3270	–	ThreadExecutor exec = new ThreadExecutor();
3271	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3272	–	CompletableFuture<Integer> g =
3273	–	f.whenCompleteAsync((Integer x, Throwable t) ->
3274	–	{ throw new CFException(); },
3275	–	exec);
3276	–	f.complete(three);
3277	–	checkCompletedNormally(f, three);
3278	–	checkCompletedWithWrappedCFException(g);
3279	–	}
4973
4974		/**
4975	<	* handleAsync action completes normally with function value on
4976	<	* either normal or exceptional completion of source
4975	>	* default exceptionallyComposeAsync result completes normally after normal
4976	>	* completion of source
4977		*/
4978	<	public void testHandleAsync() {
4979	<	CompletableFuture<Integer> f, g;
4980	<	IntegerHandler r;
4981	<
4982	<	f = new CompletableFuture<>();
4983	<	g = f.handleAsync(r = new IntegerHandler());
4984	<	assertFalse(r.ran);
4985	<	f.completeExceptionally(new CFException());
4986	<	checkCompletedWithWrappedCFException(f);
4987	<	checkCompletedNormally(g, three);
4988	<	assertTrue(r.ran);
4989	<
3297	<	f = new CompletableFuture<>();
3298	<	g = f.handleAsync(r = new IntegerHandler());
3299	<	assertFalse(r.ran);
3300	<	f.completeExceptionally(new CFException());
3301	<	checkCompletedWithWrappedCFException(f);
3302	<	checkCompletedNormally(g, three);
3303	<	assertTrue(r.ran);
3304	<
3305	<	f = new CompletableFuture<>();
3306	<	g = f.handleAsync(r = new IntegerHandler());
3307	<	assertFalse(r.ran);
3308	<	f.complete(one);
3309	<	checkCompletedNormally(f, one);
3310	<	checkCompletedNormally(g, two);
3311	<	assertTrue(r.ran);
4978	>	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
4979	>	for (boolean createIncomplete : new boolean[] { true, false })
4980	>	for (Integer v1 : new Integer[] { 1, null })
4981	>	{
4982	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4983	>	final ExceptionalCompletableFutureFunction r =
4984	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
4985	>	final DelegatedCompletionStage<Integer> d =
4986	>	new DelegatedCompletionStage<Integer>(f);
4987	>	if (!createIncomplete) assertTrue(f.complete(v1));
4988	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r,  new ThreadExecutor());
4989	>	if (createIncomplete) assertTrue(f.complete(v1));
4990
4991	<	f = new CompletableFuture<>();
4992	<	g = f.handleAsync(r = new IntegerHandler());
4993	<	assertFalse(r.ran);
4994	<	f.complete(one);
3317	<	checkCompletedNormally(f, one);
3318	<	checkCompletedNormally(g, two);
3319	<	assertTrue(r.ran);
3320	<	}
4991	>	checkCompletedNormally(f, v1);
4992	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4993	>	r.assertNotInvoked();
4994	>	}}
4995
4996		/**
4997	<	* handleAsync action with Executor completes normally with
4998	<	* function value on either normal or exceptional completion of
3325	<	* source
4997	>	* default-implemented exceptionallyComposeAsync result completes
4998	>	* normally after exceptional completion of source
4999		*/
5000	<	public void testHandleAsync2() {
5001	<	CompletableFuture<Integer> f, g;
5002	<	ThreadExecutor exec = new ThreadExecutor();
5003	<	IntegerHandler r;
5004	<
5005	<	f = new CompletableFuture<>();
5006	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5007	<	assertFalse(r.ran);
5008	<	f.completeExceptionally(new CFException());
5009	<	checkCompletedWithWrappedCFException(f);
5010	<	checkCompletedNormally(g, three);
5011	<	assertTrue(r.ran);
5012	<
5013	<	f = new CompletableFuture<>();
5014	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5015	<	assertFalse(r.ran);
5016	<	f.completeExceptionally(new CFException());
3344	<	checkCompletedWithWrappedCFException(f);
3345	<	checkCompletedNormally(g, three);
3346	<	assertTrue(r.ran);
3347	<
3348	<	f = new CompletableFuture<>();
3349	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3350	<	assertFalse(r.ran);
3351	<	f.complete(one);
3352	<	checkCompletedNormally(f, one);
3353	<	checkCompletedNormally(g, two);
3354	<	assertTrue(r.ran);
5000	>	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5001	>	for (boolean createIncomplete : new boolean[] { true, false })
5002	>	{
5003	>	final CFException ex = new CFException();
5004	>	final ExceptionalCompletableFutureFunction r =
5005	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5006	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5007	>	final DelegatedCompletionStage<Integer> d =
5008	>	new DelegatedCompletionStage<Integer>(f);
5009	>	if (!createIncomplete) f.completeExceptionally(ex);
5010	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r,  new ThreadExecutor());
5011	>	if (createIncomplete) f.completeExceptionally(ex);
5012	>
5013	>	checkCompletedExceptionally(f, ex);
5014	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5015	>	r.assertInvoked();
5016	>	}}
5017
5018	<	f = new CompletableFuture<>();
5019	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5020	<	assertFalse(r.ran);
5021	<	f.complete(one);
5022	<	checkCompletedNormally(f, one);
5023	<	checkCompletedNormally(g, two);
5024	<	assertTrue(r.ran);
5025	<	}
5018	>	/**
5019	>	* default-implemented exceptionallyComposeAsync completes
5020	>	* exceptionally on exception if action does
5021	>	*/
5022	>	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5023	>	for (boolean createIncomplete : new boolean[] { true, false })
5024	>	for (Integer v1 : new Integer[] { 1, null })
5025	>	{
5026	>	final CFException ex = new CFException();
5027	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5028	>	final FailingExceptionalCompletableFutureFunction r
5029	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5030	>	final DelegatedCompletionStage<Integer> d =
5031	>	new DelegatedCompletionStage<Integer>(f);
5032	>	if (!createIncomplete) f.completeExceptionally(ex);
5033	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r,  new ThreadExecutor());
5034	>	if (createIncomplete) f.completeExceptionally(ex);
5035	>
5036	>	checkCompletedExceptionally(f, ex);
5037	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5038	>	r.assertInvoked();
5039	>	}}
5040
5041		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines