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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.35 by jsr166, Sun Jun 1 22:22:49 2014 UTC vs.
Revision 1.197 by jsr166, Sun Jul 22 22:08:49 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;
23	<	import static java.util.concurrent.TimeUnit.SECONDS;
24	<	import java.util.*;
25	<	import java.util.function.Supplier;
26	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
28	–	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 42 | 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); }
64	<	try {
65	<	assertEquals(value, f.getNow(null));
66	<	} 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 {
84	<	f.join();
85	<	shouldThrow();
86	<	} catch (CompletionException success) {
87	<	assertTrue(success.getCause() instanceof CFException);
88	<	}
89	<	try {
90	<	f.getNow(null);
91	<	shouldThrow();
92	<	} catch (CompletionException success) {
93	<	assertTrue(success.getCause() instanceof CFException);
94	<	}
95	<	try {
96	<	f.get();
97	<	shouldThrow();
98	<	} catch (ExecutionException success) {
99	<	assertTrue(success.getCause() instanceof CFException);
100	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
101	<	assertTrue(f.isDone());
102	<	assertFalse(f.isCancelled());
103	<	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 153 | Line 194 | public class CompletableFutureTest exten
194		shouldThrow();
195		} catch (CancellationException success) {
196		} catch (Throwable fail) { threadUnexpectedException(fail); }
156	–	assertTrue(f.isDone());
157	–	assertTrue(f.isCompletedExceptionally());
158	–	assertTrue(f.isCancelled());
159	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
160	–	}
197
198	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
199	<	try {
164	<	f.get(LONG_DELAY_MS, MILLISECONDS);
165	<	shouldThrow();
166	<	} catch (ExecutionException success) {
167	<	assertTrue(success.getCause() instanceof CancellationException);
168	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
169	<	try {
170	<	f.join();
171	<	shouldThrow();
172	<	} catch (CompletionException success) {
173	<	assertTrue(success.getCause() instanceof CancellationException);
174	<	}
175	<	try {
176	<	f.getNow(null);
177	<	shouldThrow();
178	<	} catch (CompletionException success) {
179	<	assertTrue(success.getCause() instanceof CancellationException);
180	<	}
181	<	try {
182	<	f.get();
183	<	shouldThrow();
184	<	} catch (ExecutionException success) {
185	<	assertTrue(success.getCause() instanceof CancellationException);
186	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
198	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
199	>
200		assertTrue(f.isDone());
188	–	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 204 | 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 216 | 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 226 | 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 238 | 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 247 | 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 257 | 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());
265	<	checkCompletedWithWrappedCFException(f);
283	>	for (Integer v1 : new Integer[] { 1, null })
284	>	{
285	>	CFException ex;
286	>	CompletableFuture<Integer> f;
287	>
288		f = new CompletableFuture<>();
289	<	f.obtrudeException(new CFException());
290	<	checkCompletedWithWrappedCFException(f);
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	>	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 316 | 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	>	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
405	<	static final Supplier<Integer> supplyOne =
406	<	() -> Integer.valueOf(1);
407	<	static final Function<Integer, Integer> inc =
408	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
409	<	static final BiFunction<Integer, Integer, Integer> subtract =
410	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
411	<	static final class IncAction implements Consumer<Integer> {
328	<	int value;
329	<	public void accept(Integer x) { value = x.intValue() + 1; }
330	<	}
331	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
332	<	// Handle null values as well
333	<	public int subtract(Integer x, Integer y) {
334	<	return ((x == null) ? 42 : x.intValue())
335	<	- ((y == null) ? 99 : y.intValue());
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	<	int value;
414	<	public boolean ran() { return value != 0; }
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	+	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;
560	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
561	>	implements Function<Integer, CompletableFuture<Integer>>
562	>	{
563	>	final CFException ex;
564	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
565		public CompletableFuture<Integer> apply(Integer x) {
566	<	ran = true; throw new CFException();
566	>	invoked();
567	>	value = x;
568	>	throw ex;
569		}
570		}
571
572	<	// Used for explicit executor tests
573	<	static final class ThreadExecutor implements Executor {
574	<	AtomicInteger count = new AtomicInteger(0);
395	<
572	>	static class CountingRejectingExecutor implements Executor {
573	>	final RejectedExecutionException ex = new RejectedExecutionException();
574	>	final AtomicInteger count = new AtomicInteger(0);
575		public void execute(Runnable r) {
576		count.getAndIncrement();
577	<	new Thread(r).start();
577	>	throw ex;
578		}
579		}
580
581	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
582	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
583	<	}
581	>	// Used for explicit executor tests
582	>	static final class ThreadExecutor implements Executor {
583	>	final AtomicInteger count = new AtomicInteger(0);
584	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
585	>	static boolean startedCurrentThread() {
586	>	return Thread.currentThread().getThreadGroup() == tg;
587	>	}
588
589	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
590	<	boolean ran;
591	<	public Integer apply(Integer x, Throwable t) {
409	<	ran = true;
410	<	return (t == null) ? two : three;
589	>	public void execute(Runnable r) {
590	>	count.getAndIncrement();
591	>	new Thread(tg, r).start();
592		}
593		}
594
595	+	static final boolean defaultExecutorIsCommonPool
596	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
597	+
598		/**
599		* Permits the testing of parallel code for the 3 different
600	<	* execution modes without repeating all the testing code.
600	>	* execution modes without copy/pasting all the test methods.
601		*/
602		enum ExecutionMode {
603	<	DEFAULT {
603	>	SYNC {
604	>	public void checkExecutionMode() {
605	>	assertFalse(ThreadExecutor.startedCurrentThread());
606	>	assertNull(ForkJoinTask.getPool());
607	>	}
608	>	public CompletableFuture<Void> runAsync(Runnable a) {
609	>	throw new UnsupportedOperationException();
610	>	}
611	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
612	>	throw new UnsupportedOperationException();
613	>	}
614	>	public <T> CompletableFuture<Void> thenRun
615	>	(CompletableFuture<T> f, Runnable a) {
616	>	return f.thenRun(a);
617	>	}
618	>	public <T> CompletableFuture<Void> thenAccept
619	>	(CompletableFuture<T> f, Consumer<? super T> a) {
620	>	return f.thenAccept(a);
621	>	}
622	>	public <T,U> CompletableFuture<U> thenApply
623	>	(CompletableFuture<T> f, Function<? super T,U> a) {
624	>	return f.thenApply(a);
625	>	}
626	>	public <T,U> CompletableFuture<U> thenCompose
627	>	(CompletableFuture<T> f,
628	>	Function<? super T,? extends CompletionStage<U>> a) {
629	>	return f.thenCompose(a);
630	>	}
631	>	public <T,U> CompletableFuture<U> handle
632	>	(CompletableFuture<T> f,
633	>	BiFunction<? super T,Throwable,? extends U> a) {
634	>	return f.handle(a);
635	>	}
636	>	public <T> CompletableFuture<T> whenComplete
637	>	(CompletableFuture<T> f,
638	>	BiConsumer<? super T,? super Throwable> a) {
639	>	return f.whenComplete(a);
640	>	}
641		public <T,U> CompletableFuture<Void> runAfterBoth
642		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
643		return f.runAfterBoth(g, a);
#	Line 427 | Line 648 | public class CompletableFutureTest exten
648		BiConsumer<? super T,? super U> a) {
649		return f.thenAcceptBoth(g, a);
650		}
651	+	public <T,U,V> CompletableFuture<V> thenCombine
652	+	(CompletableFuture<T> f,
653	+	CompletionStage<? extends U> g,
654	+	BiFunction<? super T,? super U,? extends V> a) {
655	+	return f.thenCombine(g, a);
656	+	}
657	+	public <T> CompletableFuture<Void> runAfterEither
658	+	(CompletableFuture<T> f,
659	+	CompletionStage<?> g,
660	+	java.lang.Runnable a) {
661	+	return f.runAfterEither(g, a);
662	+	}
663	+	public <T> CompletableFuture<Void> acceptEither
664	+	(CompletableFuture<T> f,
665	+	CompletionStage<? extends T> g,
666	+	Consumer<? super T> a) {
667	+	return f.acceptEither(g, a);
668	+	}
669	+	public <T,U> CompletableFuture<U> applyToEither
670	+	(CompletableFuture<T> f,
671	+	CompletionStage<? extends T> g,
672	+	Function<? super T,U> a) {
673	+	return f.applyToEither(g, a);
674	+	}
675		},
676
677	<	//             /** Experimental way to do more testing */
678	<	//         REVERSE_DEFAULT {
679	<	//             public <T,U> CompletableFuture<Void> runAfterBoth
680	<	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
681	<	//                 return g.runAfterBoth(f, a);
682	<	//             }
683	<	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
684	<	//                 (CompletableFuture<T> f,
685	<	//                  CompletionStage<? extends U> g,
686	<	//                  BiConsumer<? super T,? super U> a) {
687	<	//                 return DEFAULT.thenAcceptBoth(f, g, a);
688	<	//             }
689	<	//         },
690	<
691	<	DEFAULT_ASYNC {
677	>	ASYNC {
678	>	public void checkExecutionMode() {
679	>	assertEquals(defaultExecutorIsCommonPool,
680	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
681	>	}
682	>	public CompletableFuture<Void> runAsync(Runnable a) {
683	>	return CompletableFuture.runAsync(a);
684	>	}
685	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
686	>	return CompletableFuture.supplyAsync(a);
687	>	}
688	>	public <T> CompletableFuture<Void> thenRun
689	>	(CompletableFuture<T> f, Runnable a) {
690	>	return f.thenRunAsync(a);
691	>	}
692	>	public <T> CompletableFuture<Void> thenAccept
693	>	(CompletableFuture<T> f, Consumer<? super T> a) {
694	>	return f.thenAcceptAsync(a);
695	>	}
696	>	public <T,U> CompletableFuture<U> thenApply
697	>	(CompletableFuture<T> f, Function<? super T,U> a) {
698	>	return f.thenApplyAsync(a);
699	>	}
700	>	public <T,U> CompletableFuture<U> thenCompose
701	>	(CompletableFuture<T> f,
702	>	Function<? super T,? extends CompletionStage<U>> a) {
703	>	return f.thenComposeAsync(a);
704	>	}
705	>	public <T,U> CompletableFuture<U> handle
706	>	(CompletableFuture<T> f,
707	>	BiFunction<? super T,Throwable,? extends U> a) {
708	>	return f.handleAsync(a);
709	>	}
710	>	public <T> CompletableFuture<T> whenComplete
711	>	(CompletableFuture<T> f,
712	>	BiConsumer<? super T,? super Throwable> a) {
713	>	return f.whenCompleteAsync(a);
714	>	}
715		public <T,U> CompletableFuture<Void> runAfterBoth
716		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
717		return f.runAfterBothAsync(g, a);
#	Line 454 | Line 722 | public class CompletableFutureTest exten
722		BiConsumer<? super T,? super U> a) {
723		return f.thenAcceptBothAsync(g, a);
724		}
725	+	public <T,U,V> CompletableFuture<V> thenCombine
726	+	(CompletableFuture<T> f,
727	+	CompletionStage<? extends U> g,
728	+	BiFunction<? super T,? super U,? extends V> a) {
729	+	return f.thenCombineAsync(g, a);
730	+	}
731	+	public <T> CompletableFuture<Void> runAfterEither
732	+	(CompletableFuture<T> f,
733	+	CompletionStage<?> g,
734	+	java.lang.Runnable a) {
735	+	return f.runAfterEitherAsync(g, a);
736	+	}
737	+	public <T> CompletableFuture<Void> acceptEither
738	+	(CompletableFuture<T> f,
739	+	CompletionStage<? extends T> g,
740	+	Consumer<? super T> a) {
741	+	return f.acceptEitherAsync(g, a);
742	+	}
743	+	public <T,U> CompletableFuture<U> applyToEither
744	+	(CompletableFuture<T> f,
745	+	CompletionStage<? extends T> g,
746	+	Function<? super T,U> a) {
747	+	return f.applyToEitherAsync(g, a);
748	+	}
749		},
750
459	–	//         REVERSE_DEFAULT_ASYNC {
460	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
461	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
462	–	//                 return f.runAfterBothAsync(g, a);
463	–	//             }
464	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
465	–	//                 (CompletableFuture<T> f,
466	–	//                  CompletionStage<? extends U> g,
467	–	//                  BiConsumer<? super T,? super U> a) {
468	–	//                 return DEFAULT_ASYNC.thenAcceptBoth(f, g, a);
469	–	//             }
470	–	//         },
471	–
751		EXECUTOR {
752	+	public void checkExecutionMode() {
753	+	assertTrue(ThreadExecutor.startedCurrentThread());
754	+	}
755	+	public CompletableFuture<Void> runAsync(Runnable a) {
756	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
757	+	}
758	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
759	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
760	+	}
761	+	public <T> CompletableFuture<Void> thenRun
762	+	(CompletableFuture<T> f, Runnable a) {
763	+	return f.thenRunAsync(a, new ThreadExecutor());
764	+	}
765	+	public <T> CompletableFuture<Void> thenAccept
766	+	(CompletableFuture<T> f, Consumer<? super T> a) {
767	+	return f.thenAcceptAsync(a, new ThreadExecutor());
768	+	}
769	+	public <T,U> CompletableFuture<U> thenApply
770	+	(CompletableFuture<T> f, Function<? super T,U> a) {
771	+	return f.thenApplyAsync(a, new ThreadExecutor());
772	+	}
773	+	public <T,U> CompletableFuture<U> thenCompose
774	+	(CompletableFuture<T> f,
775	+	Function<? super T,? extends CompletionStage<U>> a) {
776	+	return f.thenComposeAsync(a, new ThreadExecutor());
777	+	}
778	+	public <T,U> CompletableFuture<U> handle
779	+	(CompletableFuture<T> f,
780	+	BiFunction<? super T,Throwable,? extends U> a) {
781	+	return f.handleAsync(a, new ThreadExecutor());
782	+	}
783	+	public <T> CompletableFuture<T> whenComplete
784	+	(CompletableFuture<T> f,
785	+	BiConsumer<? super T,? super Throwable> a) {
786	+	return f.whenCompleteAsync(a, new ThreadExecutor());
787	+	}
788		public <T,U> CompletableFuture<Void> runAfterBoth
789		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
790		return f.runAfterBothAsync(g, a, new ThreadExecutor());
#	Line 480 | Line 795 | public class CompletableFutureTest exten
795		BiConsumer<? super T,? super U> a) {
796		return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
797		}
798	+	public <T,U,V> CompletableFuture<V> thenCombine
799	+	(CompletableFuture<T> f,
800	+	CompletionStage<? extends U> g,
801	+	BiFunction<? super T,? super U,? extends V> a) {
802	+	return f.thenCombineAsync(g, a, new ThreadExecutor());
803	+	}
804	+	public <T> CompletableFuture<Void> runAfterEither
805	+	(CompletableFuture<T> f,
806	+	CompletionStage<?> g,
807	+	java.lang.Runnable a) {
808	+	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
809	+	}
810	+	public <T> CompletableFuture<Void> acceptEither
811	+	(CompletableFuture<T> f,
812	+	CompletionStage<? extends T> g,
813	+	Consumer<? super T> a) {
814	+	return f.acceptEitherAsync(g, a, new ThreadExecutor());
815	+	}
816	+	public <T,U> CompletableFuture<U> applyToEither
817	+	(CompletableFuture<T> f,
818	+	CompletionStage<? extends T> g,
819	+	Function<? super T,U> a) {
820	+	return f.applyToEitherAsync(g, a, new ThreadExecutor());
821	+	}
822		};
823
824	+	public abstract void checkExecutionMode();
825	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
826	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
827	+	public abstract <T> CompletableFuture<Void> thenRun
828	+	(CompletableFuture<T> f, Runnable a);
829	+	public abstract <T> CompletableFuture<Void> thenAccept
830	+	(CompletableFuture<T> f, Consumer<? super T> a);
831	+	public abstract <T,U> CompletableFuture<U> thenApply
832	+	(CompletableFuture<T> f, Function<? super T,U> a);
833	+	public abstract <T,U> CompletableFuture<U> thenCompose
834	+	(CompletableFuture<T> f,
835	+	Function<? super T,? extends CompletionStage<U>> a);
836	+	public abstract <T,U> CompletableFuture<U> handle
837	+	(CompletableFuture<T> f,
838	+	BiFunction<? super T,Throwable,? extends U> a);
839	+	public abstract <T> CompletableFuture<T> whenComplete
840	+	(CompletableFuture<T> f,
841	+	BiConsumer<? super T,? super Throwable> a);
842		public abstract <T,U> CompletableFuture<Void> runAfterBoth
843		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
844		public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
845		(CompletableFuture<T> f,
846		CompletionStage<? extends U> g,
847		BiConsumer<? super T,? super U> a);
848	+	public abstract <T,U,V> CompletableFuture<V> thenCombine
849	+	(CompletableFuture<T> f,
850	+	CompletionStage<? extends U> g,
851	+	BiFunction<? super T,? super U,? extends V> a);
852	+	public abstract <T> CompletableFuture<Void> runAfterEither
853	+	(CompletableFuture<T> f,
854	+	CompletionStage<?> g,
855	+	java.lang.Runnable a);
856	+	public abstract <T> CompletableFuture<Void> acceptEither
857	+	(CompletableFuture<T> f,
858	+	CompletionStage<? extends T> g,
859	+	Consumer<? super T> a);
860	+	public abstract <T,U> CompletableFuture<U> applyToEither
861	+	(CompletableFuture<T> f,
862	+	CompletionStage<? extends T> g,
863	+	Function<? super T,U> a);
864		}
865
866		/**
867	<	* exceptionally action completes with function value on source
868	<	* exception; otherwise with source value
867	>	* exceptionally action is not invoked when source completes
868	>	* normally, and source result is propagated
869		*/
870	<	public void testExceptionally() {
871	<	CompletableFuture<Integer> f = new CompletableFuture<>();
872	<	ExceptionToInteger r = new ExceptionToInteger();
873	<	CompletableFuture<Integer> g = f.exceptionally(r);
874	<	f.completeExceptionally(new CFException());
875	<	checkCompletedNormally(g, three);
870	>	public void testExceptionally_normalCompletion() {
871	>	for (boolean createIncomplete : new boolean[] { true, false })
872	>	for (Integer v1 : new Integer[] { 1, null })
873	>	{
874	>	final AtomicInteger a = new AtomicInteger(0);
875	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
876	>	if (!createIncomplete) assertTrue(f.complete(v1));
877	>	final CompletableFuture<Integer> g = f.exceptionally
878	>	((Throwable t) -> {
879	>	a.getAndIncrement();
880	>	threadFail("should not be called");
881	>	return null;            // unreached
882	>	});
883	>	if (createIncomplete) assertTrue(f.complete(v1));
884
885	<	f = new CompletableFuture<>();
886	<	r = new ExceptionToInteger();
887	<	g = f.exceptionally(r);
888	<	f.complete(one);
508	<	checkCompletedNormally(g, one);
509	<	}
885	>	checkCompletedNormally(g, v1);
886	>	checkCompletedNormally(f, v1);
887	>	assertEquals(0, a.get());
888	>	}}
889
890		/**
891	<	* handle action completes normally with function value on either
892	<	* normal or exceptional completion of source
891	>	* exceptionally action completes with function value on source
892	>	* exception
893		*/
894	<	public void testHandle() {
895	<	CompletableFuture<Integer> f, g;
896	<	IntegerHandler r;
897	<
898	<	f = new CompletableFuture<>();
899	<	f.completeExceptionally(new CFException());
900	<	g = f.handle(r = new IntegerHandler());
901	<	assertTrue(r.ran);
902	<	checkCompletedNormally(g, three);
903	<
904	<	f = new CompletableFuture<>();
905	<	g = f.handle(r = new IntegerHandler());
906	<	assertFalse(r.ran);
907	<	f.completeExceptionally(new CFException());
908	<	checkCompletedNormally(g, three);
909	<	assertTrue(r.ran);
531	<
532	<	f = new CompletableFuture<>();
533	<	f.complete(one);
534	<	g = f.handle(r = new IntegerHandler());
535	<	assertTrue(r.ran);
536	<	checkCompletedNormally(g, two);
894	>	public void testExceptionally_exceptionalCompletion() {
895	>	for (boolean createIncomplete : new boolean[] { true, false })
896	>	for (Integer v1 : new Integer[] { 1, null })
897	>	{
898	>	final AtomicInteger a = new AtomicInteger(0);
899	>	final CFException ex = new CFException();
900	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
901	>	if (!createIncomplete) f.completeExceptionally(ex);
902	>	final CompletableFuture<Integer> g = f.exceptionally
903	>	((Throwable t) -> {
904	>	ExecutionMode.SYNC.checkExecutionMode();
905	>	threadAssertSame(t, ex);
906	>	a.getAndIncrement();
907	>	return v1;
908	>	});
909	>	if (createIncomplete) f.completeExceptionally(ex);
910
911	<	f = new CompletableFuture<>();
912	<	g = f.handle(r = new IntegerHandler());
913	<	assertFalse(r.ran);
541	<	f.complete(one);
542	<	assertTrue(r.ran);
543	<	checkCompletedNormally(g, two);
544	<	}
911	>	checkCompletedNormally(g, v1);
912	>	assertEquals(1, a.get());
913	>	}}
914
915		/**
916	<	* runAsync completes after running Runnable
916	>	* If an "exceptionally action" throws an exception, it completes
917	>	* exceptionally with that exception
918		*/
919	<	public void testRunAsync() {
920	<	Noop r = new Noop();
921	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
922	<	assertNull(f.join());
923	<	assertTrue(r.ran);
924	<	checkCompletedNormally(f, null);
925	<	}
919	>	public void testExceptionally_exceptionalCompletionActionFailed() {
920	>	for (boolean createIncomplete : new boolean[] { true, false })
921	>	{
922	>	final AtomicInteger a = new AtomicInteger(0);
923	>	final CFException ex1 = new CFException();
924	>	final CFException ex2 = new CFException();
925	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
926	>	if (!createIncomplete) f.completeExceptionally(ex1);
927	>	final CompletableFuture<Integer> g = f.exceptionally
928	>	((Throwable t) -> {
929	>	ExecutionMode.SYNC.checkExecutionMode();
930	>	threadAssertSame(t, ex1);
931	>	a.getAndIncrement();
932	>	throw ex2;
933	>	});
934	>	if (createIncomplete) f.completeExceptionally(ex1);
935	>
936	>	checkCompletedWithWrappedException(g, ex2);
937	>	checkCompletedExceptionally(f, ex1);
938	>	assertEquals(1, a.get());
939	>	}}
940
941		/**
942	<	* runAsync with executor completes after running Runnable
942	>	* whenComplete action executes on normal completion, propagating
943	>	* source result.
944		*/
945	<	public void testRunAsync2() {
946	<	Noop r = new Noop();
947	<	ThreadExecutor exec = new ThreadExecutor();
948	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
949	<	assertNull(f.join());
950	<	assertTrue(r.ran);
951	<	checkCompletedNormally(f, null);
952	<	assertEquals(1, exec.count.get());
953	<	}
945	>	public void testWhenComplete_normalCompletion() {
946	>	for (ExecutionMode m : ExecutionMode.values())
947	>	for (boolean createIncomplete : new boolean[] { true, false })
948	>	for (Integer v1 : new Integer[] { 1, null })
949	>	{
950	>	final AtomicInteger a = new AtomicInteger(0);
951	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
952	>	if (!createIncomplete) assertTrue(f.complete(v1));
953	>	final CompletableFuture<Integer> g = m.whenComplete
954	>	(f,
955	>	(Integer result, Throwable t) -> {
956	>	m.checkExecutionMode();
957	>	threadAssertSame(result, v1);
958	>	threadAssertNull(t);
959	>	a.getAndIncrement();
960	>	});
961	>	if (createIncomplete) assertTrue(f.complete(v1));
962
963	<	/**
964	<	* failing runAsync completes exceptionally after running Runnable
965	<	*/
966	<	public void testRunAsync3() {
574	<	FailingNoop r = new FailingNoop();
575	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
576	<	checkCompletedWithWrappedCFException(f);
577	<	assertTrue(r.ran);
578	<	}
963	>	checkCompletedNormally(g, v1);
964	>	checkCompletedNormally(f, v1);
965	>	assertEquals(1, a.get());
966	>	}}
967
968		/**
969	<	* supplyAsync completes with result of supplier
969	>	* whenComplete action executes on exceptional completion, propagating
970	>	* source result.
971		*/
972	<	public void testSupplyAsync() {
973	<	CompletableFuture<Integer> f;
974	<	f = CompletableFuture.supplyAsync(supplyOne);
975	<	assertEquals(f.join(), one);
976	<	checkCompletedNormally(f, one);
977	<	}
972	>	public void testWhenComplete_exceptionalCompletion() {
973	>	for (ExecutionMode m : ExecutionMode.values())
974	>	for (boolean createIncomplete : new boolean[] { true, false })
975	>	{
976	>	final AtomicInteger a = new AtomicInteger(0);
977	>	final CFException ex = new CFException();
978	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
979	>	if (!createIncomplete) f.completeExceptionally(ex);
980	>	final CompletableFuture<Integer> g = m.whenComplete
981	>	(f,
982	>	(Integer result, Throwable t) -> {
983	>	m.checkExecutionMode();
984	>	threadAssertNull(result);
985	>	threadAssertSame(t, ex);
986	>	a.getAndIncrement();
987	>	});
988	>	if (createIncomplete) f.completeExceptionally(ex);
989	>
990	>	checkCompletedWithWrappedException(g, ex);
991	>	checkCompletedExceptionally(f, ex);
992	>	assertEquals(1, a.get());
993	>	}}
994
995		/**
996	<	* supplyAsync with executor completes with result of supplier
996	>	* whenComplete action executes on cancelled source, propagating
997	>	* CancellationException.
998		*/
999	<	public void testSupplyAsync2() {
1000	<	CompletableFuture<Integer> f;
1001	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1002	<	assertEquals(f.join(), one);
1003	<	checkCompletedNormally(f, one);
1004	<	}
999	>	public void testWhenComplete_sourceCancelled() {
1000	>	for (ExecutionMode m : ExecutionMode.values())
1001	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1002	>	for (boolean createIncomplete : new boolean[] { true, false })
1003	>	{
1004	>	final AtomicInteger a = new AtomicInteger(0);
1005	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1006	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1007	>	final CompletableFuture<Integer> g = m.whenComplete
1008	>	(f,
1009	>	(Integer result, Throwable t) -> {
1010	>	m.checkExecutionMode();
1011	>	threadAssertNull(result);
1012	>	threadAssertTrue(t instanceof CancellationException);
1013	>	a.getAndIncrement();
1014	>	});
1015	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1016	>
1017	>	checkCompletedWithWrappedCancellationException(g);
1018	>	checkCancelled(f);
1019	>	assertEquals(1, a.get());
1020	>	}}
1021
1022		/**
1023	<	* Failing supplyAsync completes exceptionally
1023	>	* If a whenComplete action throws an exception when triggered by
1024	>	* a normal completion, it completes exceptionally
1025		*/
1026	<	public void testSupplyAsync3() {
1027	<	FailingSupplier r = new FailingSupplier();
1028	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1029	<	checkCompletedWithWrappedCFException(f);
1030	<	assertTrue(r.ran);
1031	<	}
1026	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1027	>	for (boolean createIncomplete : new boolean[] { true, false })
1028	>	for (ExecutionMode m : ExecutionMode.values())
1029	>	for (Integer v1 : new Integer[] { 1, null })
1030	>	{
1031	>	final AtomicInteger a = new AtomicInteger(0);
1032	>	final CFException ex = new CFException();
1033	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1034	>	if (!createIncomplete) assertTrue(f.complete(v1));
1035	>	final CompletableFuture<Integer> g = m.whenComplete
1036	>	(f,
1037	>	(Integer result, Throwable t) -> {
1038	>	m.checkExecutionMode();
1039	>	threadAssertSame(result, v1);
1040	>	threadAssertNull(t);
1041	>	a.getAndIncrement();
1042	>	throw ex;
1043	>	});
1044	>	if (createIncomplete) assertTrue(f.complete(v1));
1045
1046	<	// seq completion methods
1046	>	checkCompletedWithWrappedException(g, ex);
1047	>	checkCompletedNormally(f, v1);
1048	>	assertEquals(1, a.get());
1049	>	}}
1050
1051		/**
1052	<	* thenRun result completes normally after normal completion of source
1052	>	* If a whenComplete action throws an exception when triggered by
1053	>	* a source completion that also throws an exception, the source
1054	>	* exception takes precedence (unlike handle)
1055		*/
1056	<	public void testThenRun() {
1057	<	CompletableFuture<Integer> f;
1058	<	CompletableFuture<Void> g;
1059	<	Noop r;
1060	<
1061	<	f = new CompletableFuture<>();
1062	<	g = f.thenRun(r = new Noop());
1063	<	f.complete(null);
623	<	checkCompletedNormally(g, null);
624	<	assertTrue(r.ran);
1056	>	public void testWhenComplete_sourceFailedActionFailed() {
1057	>	for (boolean createIncomplete : new boolean[] { true, false })
1058	>	for (ExecutionMode m : ExecutionMode.values())
1059	>	{
1060	>	final AtomicInteger a = new AtomicInteger(0);
1061	>	final CFException ex1 = new CFException();
1062	>	final CFException ex2 = new CFException();
1063	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1064
1065	<	f = new CompletableFuture<>();
1066	<	f.complete(null);
1067	<	g = f.thenRun(r = new Noop());
1068	<	checkCompletedNormally(g, null);
1069	<	assertTrue(r.ran);
1070	<	}
1065	>	if (!createIncomplete) f.completeExceptionally(ex1);
1066	>	final CompletableFuture<Integer> g = m.whenComplete
1067	>	(f,
1068	>	(Integer result, Throwable t) -> {
1069	>	m.checkExecutionMode();
1070	>	threadAssertSame(t, ex1);
1071	>	threadAssertNull(result);
1072	>	a.getAndIncrement();
1073	>	throw ex2;
1074	>	});
1075	>	if (createIncomplete) f.completeExceptionally(ex1);
1076	>
1077	>	checkCompletedWithWrappedException(g, ex1);
1078	>	checkCompletedExceptionally(f, ex1);
1079	>	if (testImplementationDetails) {
1080	>	assertEquals(1, ex1.getSuppressed().length);
1081	>	assertSame(ex2, ex1.getSuppressed()[0]);
1082	>	}
1083	>	assertEquals(1, a.get());
1084	>	}}
1085
1086		/**
1087	<	* thenRun result completes exceptionally after exceptional
1087	>	* handle action completes normally with function value on normal
1088		* completion of source
1089		*/
1090	<	public void testThenRun2() {
1091	<	CompletableFuture<Integer> f;
1092	<	CompletableFuture<Void> g;
1093	<	Noop r;
1094	<
1095	<	f = new CompletableFuture<>();
1096	<	g = f.thenRun(r = new Noop());
1097	<	f.completeExceptionally(new CFException());
1098	<	checkCompletedWithWrappedCFException(g);
1099	<	assertFalse(r.ran);
1090	>	public void testHandle_normalCompletion() {
1091	>	for (ExecutionMode m : ExecutionMode.values())
1092	>	for (boolean createIncomplete : new boolean[] { true, false })
1093	>	for (Integer v1 : new Integer[] { 1, null })
1094	>	{
1095	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1096	>	final AtomicInteger a = new AtomicInteger(0);
1097	>	if (!createIncomplete) assertTrue(f.complete(v1));
1098	>	final CompletableFuture<Integer> g = m.handle
1099	>	(f,
1100	>	(Integer result, Throwable t) -> {
1101	>	m.checkExecutionMode();
1102	>	threadAssertSame(result, v1);
1103	>	threadAssertNull(t);
1104	>	a.getAndIncrement();
1105	>	return inc(v1);
1106	>	});
1107	>	if (createIncomplete) assertTrue(f.complete(v1));
1108
1109	<	f = new CompletableFuture<>();
1110	<	f.completeExceptionally(new CFException());
1111	<	g = f.thenRun(r = new Noop());
1112	<	checkCompletedWithWrappedCFException(g);
652	<	assertFalse(r.ran);
653	<	}
1109	>	checkCompletedNormally(g, inc(v1));
1110	>	checkCompletedNormally(f, v1);
1111	>	assertEquals(1, a.get());
1112	>	}}
1113
1114		/**
1115	<	* thenRun result completes exceptionally if action does
1115	>	* handle action completes normally with function value on
1116	>	* exceptional completion of source
1117		*/
1118	<	public void testThenRun3() {
1119	<	CompletableFuture<Integer> f;
1120	<	CompletableFuture<Void> g;
1121	<	FailingNoop r;
1118	>	public void testHandle_exceptionalCompletion() {
1119	>	for (ExecutionMode m : ExecutionMode.values())
1120	>	for (boolean createIncomplete : new boolean[] { true, false })
1121	>	for (Integer v1 : new Integer[] { 1, null })
1122	>	{
1123	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1124	>	final AtomicInteger a = new AtomicInteger(0);
1125	>	final CFException ex = new CFException();
1126	>	if (!createIncomplete) f.completeExceptionally(ex);
1127	>	final CompletableFuture<Integer> g = m.handle
1128	>	(f,
1129	>	(Integer result, Throwable t) -> {
1130	>	m.checkExecutionMode();
1131	>	threadAssertNull(result);
1132	>	threadAssertSame(t, ex);
1133	>	a.getAndIncrement();
1134	>	return v1;
1135	>	});
1136	>	if (createIncomplete) f.completeExceptionally(ex);
1137
1138	<	f = new CompletableFuture<>();
1139	<	g = f.thenRun(r = new FailingNoop());
1140	<	f.complete(null);
1141	<	checkCompletedWithWrappedCFException(g);
1138	>	checkCompletedNormally(g, v1);
1139	>	checkCompletedExceptionally(f, ex);
1140	>	assertEquals(1, a.get());
1141	>	}}
1142
1143	<	f = new CompletableFuture<>();
1144	<	f.complete(null);
1145	<	g = f.thenRun(r = new FailingNoop());
1146	<	checkCompletedWithWrappedCFException(g);
1147	<	}
1143	>	/**
1144	>	* handle action completes normally with function value on
1145	>	* cancelled source
1146	>	*/
1147	>	public void testHandle_sourceCancelled() {
1148	>	for (ExecutionMode m : ExecutionMode.values())
1149	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1150	>	for (boolean createIncomplete : new boolean[] { true, false })
1151	>	for (Integer v1 : new Integer[] { 1, null })
1152	>	{
1153	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1154	>	final AtomicInteger a = new AtomicInteger(0);
1155	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1156	>	final CompletableFuture<Integer> g = m.handle
1157	>	(f,
1158	>	(Integer result, Throwable t) -> {
1159	>	m.checkExecutionMode();
1160	>	threadAssertNull(result);
1161	>	threadAssertTrue(t instanceof CancellationException);
1162	>	a.getAndIncrement();
1163	>	return v1;
1164	>	});
1165	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1166	>
1167	>	checkCompletedNormally(g, v1);
1168	>	checkCancelled(f);
1169	>	assertEquals(1, a.get());
1170	>	}}
1171
1172		/**
1173	<	* thenRun result completes exceptionally if source cancelled
1173	>	* If a "handle action" throws an exception when triggered by
1174	>	* a normal completion, it completes exceptionally
1175		*/
1176	<	public void testThenRun4() {
1177	<	CompletableFuture<Integer> f;
1178	<	CompletableFuture<Void> g;
1179	<	Noop r;
1176	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1177	>	for (ExecutionMode m : ExecutionMode.values())
1178	>	for (boolean createIncomplete : new boolean[] { true, false })
1179	>	for (Integer v1 : new Integer[] { 1, null })
1180	>	{
1181	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1182	>	final AtomicInteger a = new AtomicInteger(0);
1183	>	final CFException ex = new CFException();
1184	>	if (!createIncomplete) assertTrue(f.complete(v1));
1185	>	final CompletableFuture<Integer> g = m.handle
1186	>	(f,
1187	>	(Integer result, Throwable t) -> {
1188	>	m.checkExecutionMode();
1189	>	threadAssertSame(result, v1);
1190	>	threadAssertNull(t);
1191	>	a.getAndIncrement();
1192	>	throw ex;
1193	>	});
1194	>	if (createIncomplete) assertTrue(f.complete(v1));
1195
1196	<	f = new CompletableFuture<>();
1197	<	g = f.thenRun(r = new Noop());
1198	<	assertTrue(f.cancel(true));
1199	<	checkCompletedWithWrappedCancellationException(g);
1196	>	checkCompletedWithWrappedException(g, ex);
1197	>	checkCompletedNormally(f, v1);
1198	>	assertEquals(1, a.get());
1199	>	}}
1200
1201	<	f = new CompletableFuture<>();
1202	<	assertTrue(f.cancel(true));
1203	<	g = f.thenRun(r = new Noop());
1204	<	checkCompletedWithWrappedCancellationException(g);
1205	<	}
1201	>	/**
1202	>	* If a "handle action" throws an exception when triggered by
1203	>	* a source completion that also throws an exception, the action
1204	>	* exception takes precedence (unlike whenComplete)
1205	>	*/
1206	>	public void testHandle_sourceFailedActionFailed() {
1207	>	for (boolean createIncomplete : new boolean[] { true, false })
1208	>	for (ExecutionMode m : ExecutionMode.values())
1209	>	{
1210	>	final AtomicInteger a = new AtomicInteger(0);
1211	>	final CFException ex1 = new CFException();
1212	>	final CFException ex2 = new CFException();
1213	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1214	>
1215	>	if (!createIncomplete) f.completeExceptionally(ex1);
1216	>	final CompletableFuture<Integer> g = m.handle
1217	>	(f,
1218	>	(Integer result, Throwable t) -> {
1219	>	m.checkExecutionMode();
1220	>	threadAssertNull(result);
1221	>	threadAssertSame(ex1, t);
1222	>	a.getAndIncrement();
1223	>	throw ex2;
1224	>	});
1225	>	if (createIncomplete) f.completeExceptionally(ex1);
1226	>
1227	>	checkCompletedWithWrappedException(g, ex2);
1228	>	checkCompletedExceptionally(f, ex1);
1229	>	assertEquals(1, a.get());
1230	>	}}
1231
1232		/**
1233	<	* thenApply result completes normally after normal completion of source
1233	>	* runAsync completes after running Runnable
1234		*/
1235	<	public void testThenApply() {
1236	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1237	<	CompletableFuture<Integer> g = f.thenApply(inc);
1238	<	f.complete(one);
1239	<	checkCompletedNormally(g, two);
1240	<	}
1235	>	public void testRunAsync_normalCompletion() {
1236	>	ExecutionMode[] executionModes = {
1237	>	ExecutionMode.ASYNC,
1238	>	ExecutionMode.EXECUTOR,
1239	>	};
1240	>	for (ExecutionMode m : executionModes)
1241	>	{
1242	>	final Noop r = new Noop(m);
1243	>	final CompletableFuture<Void> f = m.runAsync(r);
1244	>	assertNull(f.join());
1245	>	checkCompletedNormally(f, null);
1246	>	r.assertInvoked();
1247	>	}}
1248
1249		/**
1250	<	* thenApply result completes exceptionally after exceptional
705	<	* completion of source
1250	>	* failing runAsync completes exceptionally after running Runnable
1251		*/
1252	<	public void testThenApply2() {
1253	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1254	<	CompletableFuture<Integer> g = f.thenApply(inc);
1255	<	f.completeExceptionally(new CFException());
1256	<	checkCompletedWithWrappedCFException(g);
1252	>	public void testRunAsync_exceptionalCompletion() {
1253	>	ExecutionMode[] executionModes = {
1254	>	ExecutionMode.ASYNC,
1255	>	ExecutionMode.EXECUTOR,
1256	>	};
1257	>	for (ExecutionMode m : executionModes)
1258	>	{
1259	>	final FailingRunnable r = new FailingRunnable(m);
1260	>	final CompletableFuture<Void> f = m.runAsync(r);
1261	>	checkCompletedWithWrappedException(f, r.ex);
1262	>	r.assertInvoked();
1263	>	}}
1264	>
1265	>	@SuppressWarnings("FutureReturnValueIgnored")
1266	>	public void testRunAsync_rejectingExecutor() {
1267	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1268	>	try {
1269	>	CompletableFuture.runAsync(() -> {}, e);
1270	>	shouldThrow();
1271	>	} catch (Throwable t) {
1272	>	assertSame(e.ex, t);
1273	>	}
1274	>
1275	>	assertEquals(1, e.count.get());
1276		}
1277
1278		/**
1279	<	* thenApply result completes exceptionally if action does
1279	>	* supplyAsync completes with result of supplier
1280		*/
1281	<	public void testThenApply3() {
1282	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1283	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1284	<	f.complete(one);
1285	<	checkCompletedWithWrappedCFException(g);
1286	<	}
1281	>	public void testSupplyAsync_normalCompletion() {
1282	>	ExecutionMode[] executionModes = {
1283	>	ExecutionMode.ASYNC,
1284	>	ExecutionMode.EXECUTOR,
1285	>	};
1286	>	for (ExecutionMode m : executionModes)
1287	>	for (Integer v1 : new Integer[] { 1, null })
1288	>	{
1289	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1290	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1291	>	assertSame(v1, f.join());
1292	>	checkCompletedNormally(f, v1);
1293	>	r.assertInvoked();
1294	>	}}
1295
1296		/**
1297	<	* thenApply result completes exceptionally if source cancelled
1297	>	* Failing supplyAsync completes exceptionally
1298		*/
1299	<	public void testThenApply4() {
1300	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1301	<	CompletableFuture<Integer> g = f.thenApply(inc);
1302	<	assertTrue(f.cancel(true));
1303	<	checkCompletedWithWrappedCancellationException(g);
1299	>	public void testSupplyAsync_exceptionalCompletion() {
1300	>	ExecutionMode[] executionModes = {
1301	>	ExecutionMode.ASYNC,
1302	>	ExecutionMode.EXECUTOR,
1303	>	};
1304	>	for (ExecutionMode m : executionModes)
1305	>	{
1306	>	FailingSupplier r = new FailingSupplier(m);
1307	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1308	>	checkCompletedWithWrappedException(f, r.ex);
1309	>	r.assertInvoked();
1310	>	}}
1311	>
1312	>	@SuppressWarnings("FutureReturnValueIgnored")
1313	>	public void testSupplyAsync_rejectingExecutor() {
1314	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1315	>	try {
1316	>	CompletableFuture.supplyAsync(() -> null, e);
1317	>	shouldThrow();
1318	>	} catch (Throwable t) {
1319	>	assertSame(e.ex, t);
1320	>	}
1321	>
1322	>	assertEquals(1, e.count.get());
1323		}
1324
1325	+	// seq completion methods
1326	+
1327		/**
1328	<	* thenAccept result completes normally after normal completion of source
1328	>	* thenRun result completes normally after normal completion of source
1329		*/
1330	<	public void testThenAccept() {
1331	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1332	<	IncAction r = new IncAction();
1333	<	CompletableFuture<Void> g = f.thenAccept(r);
1334	<	f.complete(one);
1335	<	checkCompletedNormally(g, null);
1336	<	assertEquals(r.value, 2);
1337	<	}
1330	>	public void testThenRun_normalCompletion() {
1331	>	for (ExecutionMode m : ExecutionMode.values())
1332	>	for (Integer v1 : new Integer[] { 1, null })
1333	>	{
1334	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1335	>	final Noop[] rs = new Noop[6];
1336	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1337	>
1338	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1339	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1340	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1341	>	checkIncomplete(h0);
1342	>	checkIncomplete(h1);
1343	>	checkIncomplete(h2);
1344	>	assertTrue(f.complete(v1));
1345	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1346	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1347	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1348	>
1349	>	checkCompletedNormally(h0, null);
1350	>	checkCompletedNormally(h1, null);
1351	>	checkCompletedNormally(h2, null);
1352	>	checkCompletedNormally(h3, null);
1353	>	checkCompletedNormally(h4, null);
1354	>	checkCompletedNormally(h5, null);
1355	>	checkCompletedNormally(f, v1);
1356	>	for (Noop r : rs) r.assertInvoked();
1357	>	}}
1358
1359		/**
1360	<	* thenAccept result completes exceptionally after exceptional
1360	>	* thenRun result completes exceptionally after exceptional
1361		* completion of source
1362		*/
1363	<	public void testThenAccept2() {
1364	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1365	<	IncAction r = new IncAction();
1366	<	CompletableFuture<Void> g = f.thenAccept(r);
1367	<	f.completeExceptionally(new CFException());
1368	<	checkCompletedWithWrappedCFException(g);
1369	<	}
1363	>	public void testThenRun_exceptionalCompletion() {
1364	>	for (ExecutionMode m : ExecutionMode.values())
1365	>	{
1366	>	final CFException ex = new CFException();
1367	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1368	>	final Noop[] rs = new Noop[6];
1369	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1370	>
1371	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1372	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1373	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1374	>	checkIncomplete(h0);
1375	>	checkIncomplete(h1);
1376	>	checkIncomplete(h2);
1377	>	assertTrue(f.completeExceptionally(ex));
1378	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1379	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1380	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1381	>
1382	>	checkCompletedWithWrappedException(h0, ex);
1383	>	checkCompletedWithWrappedException(h1, ex);
1384	>	checkCompletedWithWrappedException(h2, ex);
1385	>	checkCompletedWithWrappedException(h3, ex);
1386	>	checkCompletedWithWrappedException(h4, ex);
1387	>	checkCompletedWithWrappedException(h5, ex);
1388	>	checkCompletedExceptionally(f, ex);
1389	>	for (Noop r : rs) r.assertNotInvoked();
1390	>	}}
1391
1392		/**
1393	<	* thenAccept result completes exceptionally if action does
1393	>	* thenRun result completes exceptionally if source cancelled
1394		*/
1395	<	public void testThenAccept3() {
1396	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1397	<	FailingConsumer r = new FailingConsumer();
1398	<	CompletableFuture<Void> g = f.thenAccept(r);
1399	<	f.complete(one);
1400	<	checkCompletedWithWrappedCFException(g);
1401	<	assertTrue(r.ran);
1402	<	}
1395	>	public void testThenRun_sourceCancelled() {
1396	>	for (ExecutionMode m : ExecutionMode.values())
1397	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1398	>	{
1399	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1400	>	final Noop[] rs = new Noop[6];
1401	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1402	>
1403	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1404	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1405	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1406	>	checkIncomplete(h0);
1407	>	checkIncomplete(h1);
1408	>	checkIncomplete(h2);
1409	>	assertTrue(f.cancel(mayInterruptIfRunning));
1410	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1411	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1412	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1413	>
1414	>	checkCompletedWithWrappedCancellationException(h0);
1415	>	checkCompletedWithWrappedCancellationException(h1);
1416	>	checkCompletedWithWrappedCancellationException(h2);
1417	>	checkCompletedWithWrappedCancellationException(h3);
1418	>	checkCompletedWithWrappedCancellationException(h4);
1419	>	checkCompletedWithWrappedCancellationException(h5);
1420	>	checkCancelled(f);
1421	>	for (Noop r : rs) r.assertNotInvoked();
1422	>	}}
1423
1424		/**
1425	<	* thenAccept result completes exceptionally if source cancelled
1425	>	* thenRun result completes exceptionally if action does
1426		*/
1427	<	public void testThenAccept4() {
1428	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1429	<	IncAction r = new IncAction();
1430	<	CompletableFuture<Void> g = f.thenAccept(r);
1431	<	assertTrue(f.cancel(true));
1432	<	checkCompletedWithWrappedCancellationException(g);
1433	<	}
1427	>	public void testThenRun_actionFailed() {
1428	>	for (ExecutionMode m : ExecutionMode.values())
1429	>	for (Integer v1 : new Integer[] { 1, null })
1430	>	{
1431	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1432	>	final FailingRunnable[] rs = new FailingRunnable[6];
1433	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1434	>
1435	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1436	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1437	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1438	>	assertTrue(f.complete(v1));
1439	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1440	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1441	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1442	>
1443	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1444	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1445	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1446	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1447	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1448	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1449	>	checkCompletedNormally(f, v1);
1450	>	}}
1451
1452		/**
1453	<	* thenCombine result completes normally after normal completion
783	<	* of sources
1453	>	* thenApply result completes normally after normal completion of source
1454		*/
1455	<	public void testThenCombine() {
1456	<	CompletableFuture<Integer> f, g, h;
1455	>	public void testThenApply_normalCompletion() {
1456	>	for (ExecutionMode m : ExecutionMode.values())
1457	>	for (Integer v1 : new Integer[] { 1, null })
1458	>	{
1459	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1460	>	final IncFunction[] rs = new IncFunction[4];
1461	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1462
1463	<	f = new CompletableFuture<>();
1464	<	g = new CompletableFuture<>();
1465	<	h = f.thenCombine(g, subtract);
1466	<	f.complete(3);
1467	<	checkIncomplete(h);
1468	<	g.complete(1);
1469	<	checkCompletedNormally(h, 2);
1463	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1464	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1465	>	checkIncomplete(h0);
1466	>	checkIncomplete(h1);
1467	>	assertTrue(f.complete(v1));
1468	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1469	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1470	>
1471	>	checkCompletedNormally(h0, inc(v1));
1472	>	checkCompletedNormally(h1, inc(v1));
1473	>	checkCompletedNormally(h2, inc(v1));
1474	>	checkCompletedNormally(h3, inc(v1));
1475	>	checkCompletedNormally(f, v1);
1476	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1477	>	}}
1478
1479	<	f = new CompletableFuture<>();
1480	<	g = new CompletableFuture<>();
1481	<	h = f.thenCombine(g, subtract);
1482	<	g.complete(1);
1483	<	checkIncomplete(h);
1484	<	f.complete(3);
1485	<	checkCompletedNormally(h, 2);
1479	>	/**
1480	>	* thenApply result completes exceptionally after exceptional
1481	>	* completion of source
1482	>	*/
1483	>	public void testThenApply_exceptionalCompletion() {
1484	>	for (ExecutionMode m : ExecutionMode.values())
1485	>	{
1486	>	final CFException ex = new CFException();
1487	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1488	>	final IncFunction[] rs = new IncFunction[4];
1489	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1490
1491	<	f = new CompletableFuture<>();
1492	<	g = new CompletableFuture<>();
1493	<	g.complete(1);
1494	<	f.complete(3);
1495	<	h = f.thenCombine(g, subtract);
1496	<	checkCompletedNormally(h, 2);
1497	<	}
1491	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1492	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1493	>	assertTrue(f.completeExceptionally(ex));
1494	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1495	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1496	>
1497	>	checkCompletedWithWrappedException(h0, ex);
1498	>	checkCompletedWithWrappedException(h1, ex);
1499	>	checkCompletedWithWrappedException(h2, ex);
1500	>	checkCompletedWithWrappedException(h3, ex);
1501	>	checkCompletedExceptionally(f, ex);
1502	>	for (IncFunction r : rs) r.assertNotInvoked();
1503	>	}}
1504
1505		/**
1506	<	* thenCombine result completes exceptionally after exceptional
814	<	* completion of either source
1506	>	* thenApply result completes exceptionally if source cancelled
1507		*/
1508	<	public void testThenCombine2() {
1509	<	CompletableFuture<Integer> f, g, h;
1508	>	public void testThenApply_sourceCancelled() {
1509	>	for (ExecutionMode m : ExecutionMode.values())
1510	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1511	>	{
1512	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1513	>	final IncFunction[] rs = new IncFunction[4];
1514	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1515
1516	<	f = new CompletableFuture<>();
1517	<	g = new CompletableFuture<>();
1518	<	h = f.thenCombine(g, subtract);
1519	<	f.completeExceptionally(new CFException());
1520	<	checkIncomplete(h);
824	<	g.complete(1);
825	<	checkCompletedWithWrappedCFException(h);
1516	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1517	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1518	>	assertTrue(f.cancel(mayInterruptIfRunning));
1519	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1520	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1521
1522	<	f = new CompletableFuture<>();
1523	<	g = new CompletableFuture<>();
1524	<	h = f.thenCombine(g, subtract);
1525	<	g.completeExceptionally(new CFException());
1526	<	checkIncomplete(h);
1527	<	f.complete(3);
1528	<	checkCompletedWithWrappedCFException(h);
1522	>	checkCompletedWithWrappedCancellationException(h0);
1523	>	checkCompletedWithWrappedCancellationException(h1);
1524	>	checkCompletedWithWrappedCancellationException(h2);
1525	>	checkCompletedWithWrappedCancellationException(h3);
1526	>	checkCancelled(f);
1527	>	for (IncFunction r : rs) r.assertNotInvoked();
1528	>	}}
1529
1530	<	f = new CompletableFuture<>();
1531	<	g = new CompletableFuture<>();
1532	<	f.complete(3);
1533	<	g.completeExceptionally(new CFException());
1534	<	h = f.thenCombine(g, subtract);
1535	<	checkCompletedWithWrappedCFException(h);
1530	>	/**
1531	>	* thenApply result completes exceptionally if action does
1532	>	*/
1533	>	public void testThenApply_actionFailed() {
1534	>	for (ExecutionMode m : ExecutionMode.values())
1535	>	for (Integer v1 : new Integer[] { 1, null })
1536	>	{
1537	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1538	>	final FailingFunction[] rs = new FailingFunction[4];
1539	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1540
1541	<	f = new CompletableFuture<>();
1542	<	g = new CompletableFuture<>();
1543	<	f.completeExceptionally(new CFException());
1544	<	g.complete(3);
1545	<	h = f.thenCombine(g, subtract);
1546	<	checkCompletedWithWrappedCFException(h);
1547	<	}
1541	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1542	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1543	>	assertTrue(f.complete(v1));
1544	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1545	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1546	>
1547	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1548	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1549	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1550	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1551	>	checkCompletedNormally(f, v1);
1552	>	}}
1553
1554		/**
1555	<	* thenCombine result completes exceptionally if action does
1555	>	* thenAccept result completes normally after normal completion of source
1556		*/
1557	<	public void testThenCombine3() {
1558	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1559	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1560	<	FailingBiFunction r = new FailingBiFunction();
1561	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
1562	<	f.complete(one);
1563	<	checkIncomplete(g);
1564	<	assertFalse(r.ran);
1565	<	f2.complete(two);
1566	<	checkCompletedWithWrappedCFException(g);
1567	<	assertTrue(r.ran);
1568	<	}
1557	>	public void testThenAccept_normalCompletion() {
1558	>	for (ExecutionMode m : ExecutionMode.values())
1559	>	for (Integer v1 : new Integer[] { 1, null })
1560	>	{
1561	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1562	>	final NoopConsumer[] rs = new NoopConsumer[4];
1563	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1564	>
1565	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1566	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1567	>	checkIncomplete(h0);
1568	>	checkIncomplete(h1);
1569	>	assertTrue(f.complete(v1));
1570	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1571	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1572	>
1573	>	checkCompletedNormally(h0, null);
1574	>	checkCompletedNormally(h1, null);
1575	>	checkCompletedNormally(h2, null);
1576	>	checkCompletedNormally(h3, null);
1577	>	checkCompletedNormally(f, v1);
1578	>	for (NoopConsumer r : rs) r.assertValue(v1);
1579	>	}}
1580
1581		/**
1582	<	* thenCombine result completes exceptionally if either source cancelled
1582	>	* thenAccept result completes exceptionally after exceptional
1583	>	* completion of source
1584		*/
1585	<	public void testThenCombine4() {
1586	<	CompletableFuture<Integer> f, g, h;
1585	>	public void testThenAccept_exceptionalCompletion() {
1586	>	for (ExecutionMode m : ExecutionMode.values())
1587	>	{
1588	>	final CFException ex = new CFException();
1589	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1590	>	final NoopConsumer[] rs = new NoopConsumer[4];
1591	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1592
1593	<	f = new CompletableFuture<>();
1594	<	g = new CompletableFuture<>();
1595	<	h = f.thenCombine(g, subtract);
1596	<	assertTrue(f.cancel(true));
1597	<	checkIncomplete(h);
1598	<	g.complete(1);
1599	<	checkCompletedWithWrappedCancellationException(h);
1593	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1594	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1595	>	assertTrue(f.completeExceptionally(ex));
1596	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1597	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1598	>
1599	>	checkCompletedWithWrappedException(h0, ex);
1600	>	checkCompletedWithWrappedException(h1, ex);
1601	>	checkCompletedWithWrappedException(h2, ex);
1602	>	checkCompletedWithWrappedException(h3, ex);
1603	>	checkCompletedExceptionally(f, ex);
1604	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1605	>	}}
1606
1607	<	f = new CompletableFuture<>();
1608	<	g = new CompletableFuture<>();
1609	<	h = f.thenCombine(g, subtract);
1610	<	assertTrue(g.cancel(true));
1611	<	checkIncomplete(h);
1612	<	f.complete(3);
1613	<	checkCompletedWithWrappedCancellationException(h);
1607	>	/**
1608	>	* thenAccept result completes exceptionally if source cancelled
1609	>	*/
1610	>	public void testThenAccept_sourceCancelled() {
1611	>	for (ExecutionMode m : ExecutionMode.values())
1612	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1613	>	{
1614	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1615	>	final NoopConsumer[] rs = new NoopConsumer[4];
1616	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1617
1618	<	f = new CompletableFuture<>();
1619	<	g = new CompletableFuture<>();
1620	<	assertTrue(f.cancel(true));
1621	<	assertTrue(g.cancel(true));
1622	<	h = f.thenCombine(g, subtract);
1623	<	checkCompletedWithWrappedCancellationException(h);
1624	<	}
1618	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1619	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1620	>	assertTrue(f.cancel(mayInterruptIfRunning));
1621	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1622	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1623	>
1624	>	checkCompletedWithWrappedCancellationException(h0);
1625	>	checkCompletedWithWrappedCancellationException(h1);
1626	>	checkCompletedWithWrappedCancellationException(h2);
1627	>	checkCompletedWithWrappedCancellationException(h3);
1628	>	checkCancelled(f);
1629	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1630	>	}}
1631
1632		/**
1633	<	* thenAcceptBoth result completes normally after normal
898	<	* completion of sources
1633	>	* thenAccept result completes exceptionally if action does
1634		*/
1635	<	public void testThenAcceptBoth_normalCompletion1() {
1635	>	public void testThenAccept_actionFailed() {
1636		for (ExecutionMode m : ExecutionMode.values())
1637		for (Integer v1 : new Integer[] { 1, null })
1638	<	for (Integer v2 : new Integer[] { 2, null }) {
904	<
1638	>	{
1639		final CompletableFuture<Integer> f = new CompletableFuture<>();
1640	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1641	<	final SubtractAction r = new SubtractAction();
908	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
909	<
910	<	f.complete(v1);
911	<	checkIncomplete(h);
912	<	assertEquals(r.value, 0);
913	<	g.complete(v2);
1640	>	final FailingConsumer[] rs = new FailingConsumer[4];
1641	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1642
1643	<	checkCompletedNormally(h, null);
1644	<	assertEquals(r.value, r.subtract(v1, v2));
1643	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1644	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1645	>	assertTrue(f.complete(v1));
1646	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1647	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1648	>
1649	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1650	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1651	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1652	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1653		checkCompletedNormally(f, v1);
1654	<	checkCompletedNormally(g, v2);
919	<	}
920	<	}
1654	>	}}
1655
1656	<	public void testThenAcceptBoth_normalCompletion2() {
1656	>	/**
1657	>	* thenCombine result completes normally after normal completion
1658	>	* of sources
1659	>	*/
1660	>	public void testThenCombine_normalCompletion() {
1661		for (ExecutionMode m : ExecutionMode.values())
1662	+	for (boolean fFirst : new boolean[] { true, false })
1663		for (Integer v1 : new Integer[] { 1, null })
1664	<	for (Integer v2 : new Integer[] { 2, null }) {
1665	<
1664	>	for (Integer v2 : new Integer[] { 2, null })
1665	>	{
1666		final CompletableFuture<Integer> f = new CompletableFuture<>();
1667		final CompletableFuture<Integer> g = new CompletableFuture<>();
1668	<	final SubtractAction r = new SubtractAction();
1669	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1668	>	final SubtractFunction[] rs = new SubtractFunction[6];
1669	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1670
1671	<	g.complete(v2);
1672	<	checkIncomplete(h);
1673	<	assertEquals(r.value, 0);
1674	<	f.complete(v1);
1671	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1672	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1673	>	final Integer w1 =  fFirst ? v1 : v2;
1674	>	final Integer w2 = !fFirst ? v1 : v2;
1675	>
1676	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1677	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1678	>	assertTrue(fst.complete(w1));
1679	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1680	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1681	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1682	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1683	>	checkCompletedNormally(h1, subtract(w1, w1));
1684	>	checkCompletedNormally(h3, subtract(w1, w1));
1685	>	rs[1].assertValue(subtract(w1, w1));
1686	>	rs[3].assertValue(subtract(w1, w1));
1687	>	assertTrue(snd.complete(w2));
1688	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1689	>
1690	>	checkCompletedNormally(h0, subtract(v1, v2));
1691	>	checkCompletedNormally(h2, subtract(v1, v2));
1692	>	checkCompletedNormally(h4, subtract(v1, v2));
1693	>	rs[0].assertValue(subtract(v1, v2));
1694	>	rs[2].assertValue(subtract(v1, v2));
1695	>	rs[4].assertValue(subtract(v1, v2));
1696
937	–	checkCompletedNormally(h, null);
938	–	assertEquals(r.value, r.subtract(v1, v2));
1697		checkCompletedNormally(f, v1);
1698		checkCompletedNormally(g, v2);
1699	<	}
942	<	}
1699	>	}}
1700
1701	<	public void testThenAcceptBoth_normalCompletion3() {
1701	>	/**
1702	>	* thenCombine result completes exceptionally after exceptional
1703	>	* completion of either source
1704	>	*/
1705	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1706		for (ExecutionMode m : ExecutionMode.values())
1707	+	for (boolean fFirst : new boolean[] { true, false })
1708	+	for (boolean failFirst : new boolean[] { true, false })
1709		for (Integer v1 : new Integer[] { 1, null })
1710	<	for (Integer v2 : new Integer[] { 2, null }) {
948	<
1710	>	{
1711		final CompletableFuture<Integer> f = new CompletableFuture<>();
1712		final CompletableFuture<Integer> g = new CompletableFuture<>();
1713	<	final SubtractAction r = new SubtractAction();
1713	>	final CFException ex = new CFException();
1714	>	final SubtractFunction r1 = new SubtractFunction(m);
1715	>	final SubtractFunction r2 = new SubtractFunction(m);
1716	>	final SubtractFunction r3 = new SubtractFunction(m);
1717	>
1718	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1719	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1720	>	final Callable<Boolean> complete1 = failFirst ?
1721	>	() -> fst.completeExceptionally(ex) :
1722	>	() -> fst.complete(v1);
1723	>	final Callable<Boolean> complete2 = failFirst ?
1724	>	() -> snd.complete(v1) :
1725	>	() -> snd.completeExceptionally(ex);
1726	>
1727	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1728	>	assertTrue(complete1.call());
1729	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1730	>	checkIncomplete(h1);
1731	>	checkIncomplete(h2);
1732	>	assertTrue(complete2.call());
1733	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1734	>
1735	>	checkCompletedWithWrappedException(h1, ex);
1736	>	checkCompletedWithWrappedException(h2, ex);
1737	>	checkCompletedWithWrappedException(h3, ex);
1738	>	r1.assertNotInvoked();
1739	>	r2.assertNotInvoked();
1740	>	r3.assertNotInvoked();
1741	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1742	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1743	>	}}
1744
1745	<	g.complete(v2);
1746	<	f.complete(v1);
1747	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1745	>	/**
1746	>	* thenCombine result completes exceptionally if either source cancelled
1747	>	*/
1748	>	public void testThenCombine_sourceCancelled() throws Throwable {
1749	>	for (ExecutionMode m : ExecutionMode.values())
1750	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1751	>	for (boolean fFirst : new boolean[] { true, false })
1752	>	for (boolean failFirst : new boolean[] { true, false })
1753	>	for (Integer v1 : new Integer[] { 1, null })
1754	>	{
1755	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1756	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1757	>	final SubtractFunction r1 = new SubtractFunction(m);
1758	>	final SubtractFunction r2 = new SubtractFunction(m);
1759	>	final SubtractFunction r3 = new SubtractFunction(m);
1760	>
1761	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1762	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1763	>	final Callable<Boolean> complete1 = failFirst ?
1764	>	() -> fst.cancel(mayInterruptIfRunning) :
1765	>	() -> fst.complete(v1);
1766	>	final Callable<Boolean> complete2 = failFirst ?
1767	>	() -> snd.complete(v1) :
1768	>	() -> snd.cancel(mayInterruptIfRunning);
1769	>
1770	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1771	>	assertTrue(complete1.call());
1772	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1773	>	checkIncomplete(h1);
1774	>	checkIncomplete(h2);
1775	>	assertTrue(complete2.call());
1776	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1777	>
1778	>	checkCompletedWithWrappedCancellationException(h1);
1779	>	checkCompletedWithWrappedCancellationException(h2);
1780	>	checkCompletedWithWrappedCancellationException(h3);
1781	>	r1.assertNotInvoked();
1782	>	r2.assertNotInvoked();
1783	>	r3.assertNotInvoked();
1784	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1785	>	checkCancelled(failFirst ? fst : snd);
1786	>	}}
1787
1788	<	checkCompletedNormally(h, null);
1789	<	assertEquals(r.value, r.subtract(v1, v2));
1788	>	/**
1789	>	* thenCombine result completes exceptionally if action does
1790	>	*/
1791	>	public void testThenCombine_actionFailed() {
1792	>	for (ExecutionMode m : ExecutionMode.values())
1793	>	for (boolean fFirst : new boolean[] { true, false })
1794	>	for (Integer v1 : new Integer[] { 1, null })
1795	>	for (Integer v2 : new Integer[] { 2, null })
1796	>	{
1797	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1798	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1799	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1800	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1801	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1802	>
1803	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1804	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1805	>	final Integer w1 =  fFirst ? v1 : v2;
1806	>	final Integer w2 = !fFirst ? v1 : v2;
1807	>
1808	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1809	>	assertTrue(fst.complete(w1));
1810	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1811	>	assertTrue(snd.complete(w2));
1812	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1813	>
1814	>	checkCompletedWithWrappedException(h1, r1.ex);
1815	>	checkCompletedWithWrappedException(h2, r2.ex);
1816	>	checkCompletedWithWrappedException(h3, r3.ex);
1817	>	r1.assertInvoked();
1818	>	r2.assertInvoked();
1819	>	r3.assertInvoked();
1820		checkCompletedNormally(f, v1);
1821		checkCompletedNormally(g, v2);
1822	<	}
962	<	}
1822	>	}}
1823
1824	<	public void testThenAcceptBoth_normalCompletion4() {
1824	>	/**
1825	>	* thenAcceptBoth result completes normally after normal
1826	>	* completion of sources
1827	>	*/
1828	>	public void testThenAcceptBoth_normalCompletion() {
1829		for (ExecutionMode m : ExecutionMode.values())
1830	+	for (boolean fFirst : new boolean[] { true, false })
1831		for (Integer v1 : new Integer[] { 1, null })
1832	<	for (Integer v2 : new Integer[] { 2, null }) {
1833	<
1832	>	for (Integer v2 : new Integer[] { 2, null })
1833	>	{
1834		final CompletableFuture<Integer> f = new CompletableFuture<>();
1835		final CompletableFuture<Integer> g = new CompletableFuture<>();
1836	<	final SubtractAction r = new SubtractAction();
1837	<
1838	<	f.complete(v1);
1839	<	g.complete(v2);
1840	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1841	<
1842	<	checkCompletedNormally(h, null);
1843	<	assertEquals(r.value, r.subtract(v1, v2));
1836	>	final SubtractAction r1 = new SubtractAction(m);
1837	>	final SubtractAction r2 = new SubtractAction(m);
1838	>	final SubtractAction r3 = new SubtractAction(m);
1839	>
1840	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1841	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1842	>	final Integer w1 =  fFirst ? v1 : v2;
1843	>	final Integer w2 = !fFirst ? v1 : v2;
1844	>
1845	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1846	>	assertTrue(fst.complete(w1));
1847	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1848	>	checkIncomplete(h1);
1849	>	checkIncomplete(h2);
1850	>	r1.assertNotInvoked();
1851	>	r2.assertNotInvoked();
1852	>	assertTrue(snd.complete(w2));
1853	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1854	>
1855	>	checkCompletedNormally(h1, null);
1856	>	checkCompletedNormally(h2, null);
1857	>	checkCompletedNormally(h3, null);
1858	>	r1.assertValue(subtract(v1, v2));
1859	>	r2.assertValue(subtract(v1, v2));
1860	>	r3.assertValue(subtract(v1, v2));
1861		checkCompletedNormally(f, v1);
1862		checkCompletedNormally(g, v2);
1863	<	}
982	<	}
1863	>	}}
1864
1865		/**
1866		* thenAcceptBoth result completes exceptionally after exceptional
1867		* completion of either source
1868		*/
1869	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1869	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1870		for (ExecutionMode m : ExecutionMode.values())
1871	<	for (Integer v1 : new Integer[] { 1, null }) {
1872	<
1871	>	for (boolean fFirst : new boolean[] { true, false })
1872	>	for (boolean failFirst : new boolean[] { true, false })
1873	>	for (Integer v1 : new Integer[] { 1, null })
1874	>	{
1875		final CompletableFuture<Integer> f = new CompletableFuture<>();
1876		final CompletableFuture<Integer> g = new CompletableFuture<>();
994	–	final SubtractAction r = new SubtractAction();
995	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1877		final CFException ex = new CFException();
1878	+	final SubtractAction r1 = new SubtractAction(m);
1879	+	final SubtractAction r2 = new SubtractAction(m);
1880	+	final SubtractAction r3 = new SubtractAction(m);
1881	+
1882	+	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1883	+	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1884	+	final Callable<Boolean> complete1 = failFirst ?
1885	+	() -> fst.completeExceptionally(ex) :
1886	+	() -> fst.complete(v1);
1887	+	final Callable<Boolean> complete2 = failFirst ?
1888	+	() -> snd.complete(v1) :
1889	+	() -> snd.completeExceptionally(ex);
1890	+
1891	+	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1892	+	assertTrue(complete1.call());
1893	+	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1894	+	checkIncomplete(h1);
1895	+	checkIncomplete(h2);
1896	+	assertTrue(complete2.call());
1897	+	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1898	+
1899	+	checkCompletedWithWrappedException(h1, ex);
1900	+	checkCompletedWithWrappedException(h2, ex);
1901	+	checkCompletedWithWrappedException(h3, ex);
1902	+	r1.assertNotInvoked();
1903	+	r2.assertNotInvoked();
1904	+	r3.assertNotInvoked();
1905	+	checkCompletedNormally(failFirst ? snd : fst, v1);
1906	+	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1907	+	}}
1908
1909	<	f.completeExceptionally(ex);
1910	<	checkIncomplete(h);
1911	<	g.complete(v1);
1912	<
1002	<	checkCompletedWithWrappedCFException(h, ex);
1003	<	checkCompletedWithWrappedCFException(f, ex);
1004	<	assertFalse(r.ran());
1005	<	checkCompletedNormally(g, v1);
1006	<	}
1007	<	}
1008	<
1009	<	public void testThenAcceptBoth_exceptionalCompletion2() {
1909	>	/**
1910	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1911	>	*/
1912	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1913		for (ExecutionMode m : ExecutionMode.values())
1914	<	for (Integer v1 : new Integer[] { 1, null }) {
1915	<
1914	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1915	>	for (boolean fFirst : new boolean[] { true, false })
1916	>	for (boolean failFirst : new boolean[] { true, false })
1917	>	for (Integer v1 : new Integer[] { 1, null })
1918	>	{
1919		final CompletableFuture<Integer> f = new CompletableFuture<>();
1920		final CompletableFuture<Integer> g = new CompletableFuture<>();
1921	<	final SubtractAction r = new SubtractAction();
1922	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1923	<	final CFException ex = new CFException();
1921	>	final SubtractAction r1 = new SubtractAction(m);
1922	>	final SubtractAction r2 = new SubtractAction(m);
1923	>	final SubtractAction r3 = new SubtractAction(m);
1924	>
1925	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1926	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1927	>	final Callable<Boolean> complete1 = failFirst ?
1928	>	() -> fst.cancel(mayInterruptIfRunning) :
1929	>	() -> fst.complete(v1);
1930	>	final Callable<Boolean> complete2 = failFirst ?
1931	>	() -> snd.complete(v1) :
1932	>	() -> snd.cancel(mayInterruptIfRunning);
1933	>
1934	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1935	>	assertTrue(complete1.call());
1936	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1937	>	checkIncomplete(h1);
1938	>	checkIncomplete(h2);
1939	>	assertTrue(complete2.call());
1940	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1941	>
1942	>	checkCompletedWithWrappedCancellationException(h1);
1943	>	checkCompletedWithWrappedCancellationException(h2);
1944	>	checkCompletedWithWrappedCancellationException(h3);
1945	>	r1.assertNotInvoked();
1946	>	r2.assertNotInvoked();
1947	>	r3.assertNotInvoked();
1948	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1949	>	checkCancelled(failFirst ? fst : snd);
1950	>	}}
1951
1952	<	g.completeExceptionally(ex);
1953	<	checkIncomplete(h);
1954	<	f.complete(v1);
1955	<
1956	<	checkCompletedWithWrappedCFException(h, ex);
1957	<	checkCompletedWithWrappedCFException(g, ex);
1958	<	assertFalse(r.ran());
1952	>	/**
1953	>	* thenAcceptBoth result completes exceptionally if action does
1954	>	*/
1955	>	public void testThenAcceptBoth_actionFailed() {
1956	>	for (ExecutionMode m : ExecutionMode.values())
1957	>	for (boolean fFirst : new boolean[] { true, false })
1958	>	for (Integer v1 : new Integer[] { 1, null })
1959	>	for (Integer v2 : new Integer[] { 2, null })
1960	>	{
1961	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1962	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1963	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1964	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1965	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1966	>
1967	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1968	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1969	>	final Integer w1 =  fFirst ? v1 : v2;
1970	>	final Integer w2 = !fFirst ? v1 : v2;
1971	>
1972	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1973	>	assertTrue(fst.complete(w1));
1974	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1975	>	assertTrue(snd.complete(w2));
1976	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1977	>
1978	>	checkCompletedWithWrappedException(h1, r1.ex);
1979	>	checkCompletedWithWrappedException(h2, r2.ex);
1980	>	checkCompletedWithWrappedException(h3, r3.ex);
1981	>	r1.assertInvoked();
1982	>	r2.assertInvoked();
1983	>	r3.assertInvoked();
1984		checkCompletedNormally(f, v1);
1985	<	}
1986	<	}
1985	>	checkCompletedNormally(g, v2);
1986	>	}}
1987
1988	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1988	>	/**
1989	>	* runAfterBoth result completes normally after normal
1990	>	* completion of sources
1991	>	*/
1992	>	public void testRunAfterBoth_normalCompletion() {
1993		for (ExecutionMode m : ExecutionMode.values())
1994	<	for (Integer v1 : new Integer[] { 1, null }) {
1995	<
1994	>	for (boolean fFirst : new boolean[] { true, false })
1995	>	for (Integer v1 : new Integer[] { 1, null })
1996	>	for (Integer v2 : new Integer[] { 2, null })
1997	>	{
1998		final CompletableFuture<Integer> f = new CompletableFuture<>();
1999		final CompletableFuture<Integer> g = new CompletableFuture<>();
2000	<	final SubtractAction r = new SubtractAction();
2001	<	final CFException ex = new CFException();
2002	<
2003	<	g.completeExceptionally(ex);
2004	<	f.complete(v1);
2005	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2006	<
2007	<	checkCompletedWithWrappedCFException(h, ex);
2008	<	checkCompletedWithWrappedCFException(g, ex);
2009	<	assertFalse(r.ran());
2000	>	final Noop r1 = new Noop(m);
2001	>	final Noop r2 = new Noop(m);
2002	>	final Noop r3 = new Noop(m);
2003	>
2004	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2005	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2006	>	final Integer w1 =  fFirst ? v1 : v2;
2007	>	final Integer w2 = !fFirst ? v1 : v2;
2008	>
2009	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2010	>	assertTrue(fst.complete(w1));
2011	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2012	>	checkIncomplete(h1);
2013	>	checkIncomplete(h2);
2014	>	r1.assertNotInvoked();
2015	>	r2.assertNotInvoked();
2016	>	assertTrue(snd.complete(w2));
2017	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2018	>
2019	>	checkCompletedNormally(h1, null);
2020	>	checkCompletedNormally(h2, null);
2021	>	checkCompletedNormally(h3, null);
2022	>	r1.assertInvoked();
2023	>	r2.assertInvoked();
2024	>	r3.assertInvoked();
2025		checkCompletedNormally(f, v1);
2026	<	}
2027	<	}
2026	>	checkCompletedNormally(g, v2);
2027	>	}}
2028
2029	<	public void testThenAcceptBoth_exceptionalCompletion4() {
2029	>	/**
2030	>	* runAfterBoth result completes exceptionally after exceptional
2031	>	* completion of either source
2032	>	*/
2033	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2034		for (ExecutionMode m : ExecutionMode.values())
2035	<	for (Integer v1 : new Integer[] { 1, null }) {
2036	<
2035	>	for (boolean fFirst : new boolean[] { true, false })
2036	>	for (boolean failFirst : new boolean[] { true, false })
2037	>	for (Integer v1 : new Integer[] { 1, null })
2038	>	{
2039		final CompletableFuture<Integer> f = new CompletableFuture<>();
2040		final CompletableFuture<Integer> g = new CompletableFuture<>();
1056	–	final SubtractAction r = new SubtractAction();
2041		final CFException ex = new CFException();
2042	<
2043	<	f.completeExceptionally(ex);
2044	<	g.complete(v1);
2045	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2046	<
2047	<	checkCompletedWithWrappedCFException(h, ex);
2048	<	checkCompletedWithWrappedCFException(f, ex);
2049	<	assertFalse(r.ran());
2050	<	checkCompletedNormally(g, v1);
2051	<	}
2052	<	}
2042	>	final Noop r1 = new Noop(m);
2043	>	final Noop r2 = new Noop(m);
2044	>	final Noop r3 = new Noop(m);
2045	>
2046	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2047	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2048	>	final Callable<Boolean> complete1 = failFirst ?
2049	>	() -> fst.completeExceptionally(ex) :
2050	>	() -> fst.complete(v1);
2051	>	final Callable<Boolean> complete2 = failFirst ?
2052	>	() -> snd.complete(v1) :
2053	>	() -> snd.completeExceptionally(ex);
2054	>
2055	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2056	>	assertTrue(complete1.call());
2057	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2058	>	checkIncomplete(h1);
2059	>	checkIncomplete(h2);
2060	>	assertTrue(complete2.call());
2061	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2062	>
2063	>	checkCompletedWithWrappedException(h1, ex);
2064	>	checkCompletedWithWrappedException(h2, ex);
2065	>	checkCompletedWithWrappedException(h3, ex);
2066	>	r1.assertNotInvoked();
2067	>	r2.assertNotInvoked();
2068	>	r3.assertNotInvoked();
2069	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2070	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2071	>	}}
2072
2073		/**
2074	<	* thenAcceptBoth result completes exceptionally if action does
2074	>	* runAfterBoth result completes exceptionally if either source cancelled
2075		*/
2076	<	public void testThenAcceptBoth_actionFailed1() {
2076	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2077		for (ExecutionMode m : ExecutionMode.values())
2078	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2079	+	for (boolean fFirst : new boolean[] { true, false })
2080	+	for (boolean failFirst : new boolean[] { true, false })
2081		for (Integer v1 : new Integer[] { 1, null })
2082	<	for (Integer v2 : new Integer[] { 2, null }) {
1077	<
2082	>	{
2083		final CompletableFuture<Integer> f = new CompletableFuture<>();
2084		final CompletableFuture<Integer> g = new CompletableFuture<>();
2085	<	final FailingBiConsumer r = new FailingBiConsumer();
2086	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2085	>	final Noop r1 = new Noop(m);
2086	>	final Noop r2 = new Noop(m);
2087	>	final Noop r3 = new Noop(m);
2088	>
2089	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2090	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2091	>	final Callable<Boolean> complete1 = failFirst ?
2092	>	() -> fst.cancel(mayInterruptIfRunning) :
2093	>	() -> fst.complete(v1);
2094	>	final Callable<Boolean> complete2 = failFirst ?
2095	>	() -> snd.complete(v1) :
2096	>	() -> snd.cancel(mayInterruptIfRunning);
2097	>
2098	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2099	>	assertTrue(complete1.call());
2100	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2101	>	checkIncomplete(h1);
2102	>	checkIncomplete(h2);
2103	>	assertTrue(complete2.call());
2104	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2105	>
2106	>	checkCompletedWithWrappedCancellationException(h1);
2107	>	checkCompletedWithWrappedCancellationException(h2);
2108	>	checkCompletedWithWrappedCancellationException(h3);
2109	>	r1.assertNotInvoked();
2110	>	r2.assertNotInvoked();
2111	>	r3.assertNotInvoked();
2112	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2113	>	checkCancelled(failFirst ? fst : snd);
2114	>	}}
2115
2116	<	f.complete(v1);
2117	<	checkIncomplete(h);
2118	<	g.complete(v2);
2119	<
2120	<	checkCompletedWithWrappedCFException(h);
2116	>	/**
2117	>	* runAfterBoth result completes exceptionally if action does
2118	>	*/
2119	>	public void testRunAfterBoth_actionFailed() {
2120	>	for (ExecutionMode m : ExecutionMode.values())
2121	>	for (boolean fFirst : new boolean[] { true, false })
2122	>	for (Integer v1 : new Integer[] { 1, null })
2123	>	for (Integer v2 : new Integer[] { 2, null })
2124	>	{
2125	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2126	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2127	>	final FailingRunnable r1 = new FailingRunnable(m);
2128	>	final FailingRunnable r2 = new FailingRunnable(m);
2129	>	final FailingRunnable r3 = new FailingRunnable(m);
2130	>
2131	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2132	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2133	>	final Integer w1 =  fFirst ? v1 : v2;
2134	>	final Integer w2 = !fFirst ? v1 : v2;
2135	>
2136	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2137	>	assertTrue(fst.complete(w1));
2138	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2139	>	assertTrue(snd.complete(w2));
2140	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2141	>
2142	>	checkCompletedWithWrappedException(h1, r1.ex);
2143	>	checkCompletedWithWrappedException(h2, r2.ex);
2144	>	checkCompletedWithWrappedException(h3, r3.ex);
2145	>	r1.assertInvoked();
2146	>	r2.assertInvoked();
2147	>	r3.assertInvoked();
2148		checkCompletedNormally(f, v1);
2149		checkCompletedNormally(g, v2);
2150	<	}
1091	<	}
2150	>	}}
2151
2152	<	public void testThenAcceptBoth_actionFailed2() {
2152	>	/**
2153	>	* applyToEither result completes normally after normal completion
2154	>	* of either source
2155	>	*/
2156	>	public void testApplyToEither_normalCompletion() {
2157		for (ExecutionMode m : ExecutionMode.values())
2158		for (Integer v1 : new Integer[] { 1, null })
2159	<	for (Integer v2 : new Integer[] { 2, null }) {
2160	<
2159	>	for (Integer v2 : new Integer[] { 2, null })
2160	>	{
2161		final CompletableFuture<Integer> f = new CompletableFuture<>();
2162		final CompletableFuture<Integer> g = new CompletableFuture<>();
2163	<	final FailingBiConsumer r = new FailingBiConsumer();
2164	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2163	>	final IncFunction[] rs = new IncFunction[6];
2164	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2165
2166	<	g.complete(v2);
2167	<	checkIncomplete(h);
2166	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2167	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2168	>	checkIncomplete(h0);
2169	>	checkIncomplete(h1);
2170	>	rs[0].assertNotInvoked();
2171	>	rs[1].assertNotInvoked();
2172		f.complete(v1);
2173	+	checkCompletedNormally(h0, inc(v1));
2174	+	checkCompletedNormally(h1, inc(v1));
2175	+	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2176	+	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2177	+	checkCompletedNormally(h2, inc(v1));
2178	+	checkCompletedNormally(h3, inc(v1));
2179	+	g.complete(v2);
2180	+
2181	+	// unspecified behavior - both source completions available
2182	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2183	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2184	+	rs[4].assertValue(h4.join());
2185	+	rs[5].assertValue(h5.join());
2186	+	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2187	+	Objects.equals(inc(v2), h4.join()));
2188	+	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2189	+	Objects.equals(inc(v2), h5.join()));
2190
1107	–	checkCompletedWithWrappedCFException(h);
2191		checkCompletedNormally(f, v1);
2192		checkCompletedNormally(g, v2);
2193	<	}
2194	<	}
2193	>	checkCompletedNormally(h0, inc(v1));
2194	>	checkCompletedNormally(h1, inc(v1));
2195	>	checkCompletedNormally(h2, inc(v1));
2196	>	checkCompletedNormally(h3, inc(v1));
2197	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2198	>	}}
2199
2200		/**
2201	<	* thenAcceptBoth result completes exceptionally if either source cancelled
2201	>	* applyToEither result completes exceptionally after exceptional
2202	>	* completion of either source
2203		*/
2204	<	public void testThenAcceptBoth_sourceCancelled1() {
2204	>	public void testApplyToEither_exceptionalCompletion() {
2205		for (ExecutionMode m : ExecutionMode.values())
2206	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2207	<	for (Integer v1 : new Integer[] { 1, null }) {
1120	<
2206	>	for (Integer v1 : new Integer[] { 1, null })
2207	>	{
2208		final CompletableFuture<Integer> f = new CompletableFuture<>();
2209		final CompletableFuture<Integer> g = new CompletableFuture<>();
2210	<	final SubtractAction r = new SubtractAction();
2211	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2210	>	final CFException ex = new CFException();
2211	>	final IncFunction[] rs = new IncFunction[6];
2212	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2213
2214	<	assertTrue(f.cancel(mayInterruptIfRunning));
2215	<	checkIncomplete(h);
2214	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2215	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2216	>	checkIncomplete(h0);
2217	>	checkIncomplete(h1);
2218	>	rs[0].assertNotInvoked();
2219	>	rs[1].assertNotInvoked();
2220	>	f.completeExceptionally(ex);
2221	>	checkCompletedWithWrappedException(h0, ex);
2222	>	checkCompletedWithWrappedException(h1, ex);
2223	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2224	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2225	>	checkCompletedWithWrappedException(h2, ex);
2226	>	checkCompletedWithWrappedException(h3, ex);
2227		g.complete(v1);
2228
2229	<	checkCompletedWithWrappedCancellationException(h);
2230	<	checkCancelled(f);
2231	<	assertFalse(r.ran());
2232	<	checkCompletedNormally(g, v1);
2229	>	// unspecified behavior - both source completions available
2230	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2231	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2232	>	try {
2233	>	assertEquals(inc(v1), h4.join());
2234	>	rs[4].assertValue(inc(v1));
2235	>	} catch (CompletionException ok) {
2236	>	checkCompletedWithWrappedException(h4, ex);
2237	>	rs[4].assertNotInvoked();
2238	>	}
2239	>	try {
2240	>	assertEquals(inc(v1), h5.join());
2241	>	rs[5].assertValue(inc(v1));
2242	>	} catch (CompletionException ok) {
2243	>	checkCompletedWithWrappedException(h5, ex);
2244	>	rs[5].assertNotInvoked();
2245		}
1135	–	}
2246
2247	<	public void testThenAcceptBoth_sourceCancelled2() {
2248	<	for (ExecutionMode m : ExecutionMode.values())
2249	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2250	<	for (Integer v1 : new Integer[] { 1, null }) {
2247	>	checkCompletedExceptionally(f, ex);
2248	>	checkCompletedNormally(g, v1);
2249	>	checkCompletedWithWrappedException(h0, ex);
2250	>	checkCompletedWithWrappedException(h1, ex);
2251	>	checkCompletedWithWrappedException(h2, ex);
2252	>	checkCompletedWithWrappedException(h3, ex);
2253	>	checkCompletedWithWrappedException(h4, ex);
2254	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2255	>	}}
2256
2257	+	public void testApplyToEither_exceptionalCompletion2() {
2258	+	for (ExecutionMode m : ExecutionMode.values())
2259	+	for (boolean fFirst : new boolean[] { true, false })
2260	+	for (Integer v1 : new Integer[] { 1, null })
2261	+	{
2262		final CompletableFuture<Integer> f = new CompletableFuture<>();
2263		final CompletableFuture<Integer> g = new CompletableFuture<>();
2264	<	final SubtractAction r = new SubtractAction();
2265	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2264	>	final CFException ex = new CFException();
2265	>	final IncFunction[] rs = new IncFunction[6];
2266	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2267
2268	<	assertTrue(g.cancel(mayInterruptIfRunning));
2269	<	checkIncomplete(h);
2270	<	f.complete(v1);
2268	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2269	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2270	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2271	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2272	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2273	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2274
2275	<	checkCompletedWithWrappedCancellationException(h);
2276	<	checkCancelled(g);
2277	<	assertFalse(r.ran());
2278	<	checkCompletedNormally(f, v1);
2275	>	// unspecified behavior - both source completions available
2276	>	try {
2277	>	assertEquals(inc(v1), h0.join());
2278	>	rs[0].assertValue(inc(v1));
2279	>	} catch (CompletionException ok) {
2280	>	checkCompletedWithWrappedException(h0, ex);
2281	>	rs[0].assertNotInvoked();
2282	>	}
2283	>	try {
2284	>	assertEquals(inc(v1), h1.join());
2285	>	rs[1].assertValue(inc(v1));
2286	>	} catch (CompletionException ok) {
2287	>	checkCompletedWithWrappedException(h1, ex);
2288	>	rs[1].assertNotInvoked();
2289	>	}
2290	>	try {
2291	>	assertEquals(inc(v1), h2.join());
2292	>	rs[2].assertValue(inc(v1));
2293	>	} catch (CompletionException ok) {
2294	>	checkCompletedWithWrappedException(h2, ex);
2295	>	rs[2].assertNotInvoked();
2296	>	}
2297	>	try {
2298	>	assertEquals(inc(v1), h3.join());
2299	>	rs[3].assertValue(inc(v1));
2300	>	} catch (CompletionException ok) {
2301	>	checkCompletedWithWrappedException(h3, ex);
2302	>	rs[3].assertNotInvoked();
2303		}
1156	–	}
1157	–
1158	–	public void testThenAcceptBoth_sourceCancelled3() {
1159	–	for (ExecutionMode m : ExecutionMode.values())
1160	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1161	–	for (Integer v1 : new Integer[] { 1, null }) {
1162	–
1163	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1164	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1165	–	final SubtractAction r = new SubtractAction();
1166	–
1167	–	assertTrue(g.cancel(mayInterruptIfRunning));
1168	–	f.complete(v1);
1169	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2304
1171	–	checkCompletedWithWrappedCancellationException(h);
1172	–	checkCancelled(g);
1173	–	assertFalse(r.ran());
2305		checkCompletedNormally(f, v1);
2306	<	}
2307	<	}
2306	>	checkCompletedExceptionally(g, ex);
2307	>	}}
2308
2309	<	public void testThenAcceptBoth_sourceCancelled4() {
2309	>	/**
2310	>	* applyToEither result completes exceptionally if either source cancelled
2311	>	*/
2312	>	public void testApplyToEither_sourceCancelled() {
2313		for (ExecutionMode m : ExecutionMode.values())
2314		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2315	<	for (Integer v1 : new Integer[] { 1, null }) {
2316	<
2315	>	for (Integer v1 : new Integer[] { 1, null })
2316	>	{
2317		final CompletableFuture<Integer> f = new CompletableFuture<>();
2318		final CompletableFuture<Integer> g = new CompletableFuture<>();
2319	<	final SubtractAction r = new SubtractAction();
2319	>	final IncFunction[] rs = new IncFunction[6];
2320	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2321
2322	<	assertTrue(f.cancel(mayInterruptIfRunning));
2322	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2323	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2324	>	checkIncomplete(h0);
2325	>	checkIncomplete(h1);
2326	>	rs[0].assertNotInvoked();
2327	>	rs[1].assertNotInvoked();
2328	>	f.cancel(mayInterruptIfRunning);
2329	>	checkCompletedWithWrappedCancellationException(h0);
2330	>	checkCompletedWithWrappedCancellationException(h1);
2331	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2332	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2333	>	checkCompletedWithWrappedCancellationException(h2);
2334	>	checkCompletedWithWrappedCancellationException(h3);
2335		g.complete(v1);
1189	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2336
2337	<	checkCompletedWithWrappedCancellationException(h);
2337	>	// unspecified behavior - both source completions available
2338	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2339	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2340	>	try {
2341	>	assertEquals(inc(v1), h4.join());
2342	>	rs[4].assertValue(inc(v1));
2343	>	} catch (CompletionException ok) {
2344	>	checkCompletedWithWrappedCancellationException(h4);
2345	>	rs[4].assertNotInvoked();
2346	>	}
2347	>	try {
2348	>	assertEquals(inc(v1), h5.join());
2349	>	rs[5].assertValue(inc(v1));
2350	>	} catch (CompletionException ok) {
2351	>	checkCompletedWithWrappedCancellationException(h5);
2352	>	rs[5].assertNotInvoked();
2353	>	}
2354	>
2355		checkCancelled(f);
1193	–	assertFalse(r.ran());
2356		checkCompletedNormally(g, v1);
2357	<	}
2358	<	}
2357	>	checkCompletedWithWrappedCancellationException(h0);
2358	>	checkCompletedWithWrappedCancellationException(h1);
2359	>	checkCompletedWithWrappedCancellationException(h2);
2360	>	checkCompletedWithWrappedCancellationException(h3);
2361	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2362	>	}}
2363
2364	<	/**
1199	<	* runAfterBoth result completes normally after normal
1200	<	* completion of sources
1201	<	*/
1202	<	public void testRunAfterBoth_normalCompletion1() {
2364	>	public void testApplyToEither_sourceCancelled2() {
2365		for (ExecutionMode m : ExecutionMode.values())
2366	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2367	+	for (boolean fFirst : new boolean[] { true, false })
2368		for (Integer v1 : new Integer[] { 1, null })
2369	<	for (Integer v2 : new Integer[] { 2, null }) {
1206	<
2369	>	{
2370		final CompletableFuture<Integer> f = new CompletableFuture<>();
2371		final CompletableFuture<Integer> g = new CompletableFuture<>();
2372	<	final Noop r = new Noop();
2373	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2372	>	final IncFunction[] rs = new IncFunction[6];
2373	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2374
2375	<	f.complete(v1);
2376	<	checkIncomplete(h);
2377	<	assertFalse(r.ran);
2378	<	g.complete(v2);
2375	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2376	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2377	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2378	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2379	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2380	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2381
2382	<	checkCompletedNormally(h, null);
2383	<	assertTrue(r.ran);
2384	<	checkCompletedNormally(f, v1);
2385	<	checkCompletedNormally(g, v2);
2382	>	// unspecified behavior - both source completions available
2383	>	try {
2384	>	assertEquals(inc(v1), h0.join());
2385	>	rs[0].assertValue(inc(v1));
2386	>	} catch (CompletionException ok) {
2387	>	checkCompletedWithWrappedCancellationException(h0);
2388	>	rs[0].assertNotInvoked();
2389	>	}
2390	>	try {
2391	>	assertEquals(inc(v1), h1.join());
2392	>	rs[1].assertValue(inc(v1));
2393	>	} catch (CompletionException ok) {
2394	>	checkCompletedWithWrappedCancellationException(h1);
2395	>	rs[1].assertNotInvoked();
2396	>	}
2397	>	try {
2398	>	assertEquals(inc(v1), h2.join());
2399	>	rs[2].assertValue(inc(v1));
2400	>	} catch (CompletionException ok) {
2401	>	checkCompletedWithWrappedCancellationException(h2);
2402	>	rs[2].assertNotInvoked();
2403	>	}
2404	>	try {
2405	>	assertEquals(inc(v1), h3.join());
2406	>	rs[3].assertValue(inc(v1));
2407	>	} catch (CompletionException ok) {
2408	>	checkCompletedWithWrappedCancellationException(h3);
2409	>	rs[3].assertNotInvoked();
2410		}
1222	–	}
1223	–
1224	–	public void testRunAfterBoth_normalCompletion2() {
1225	–	for (ExecutionMode m : ExecutionMode.values())
1226	–	for (Integer v1 : new Integer[] { 1, null })
1227	–	for (Integer v2 : new Integer[] { 2, null }) {
1228	–
1229	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1230	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1231	–	final Noop r = new Noop();
1232	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1233	–
1234	–	g.complete(v2);
1235	–	checkIncomplete(h);
1236	–	assertFalse(r.ran);
1237	–	f.complete(v1);
2411
1239	–	checkCompletedNormally(h, null);
1240	–	assertTrue(r.ran);
2412		checkCompletedNormally(f, v1);
2413	<	checkCompletedNormally(g, v2);
2414	<	}
1244	<	}
2413	>	checkCancelled(g);
2414	>	}}
2415
2416	<	public void testRunAfterBoth_normalCompletion3() {
2416	>	/**
2417	>	* applyToEither result completes exceptionally if action does
2418	>	*/
2419	>	public void testApplyToEither_actionFailed() {
2420		for (ExecutionMode m : ExecutionMode.values())
2421		for (Integer v1 : new Integer[] { 1, null })
2422	<	for (Integer v2 : new Integer[] { 2, null }) {
2423	<
2422	>	for (Integer v2 : new Integer[] { 2, null })
2423	>	{
2424		final CompletableFuture<Integer> f = new CompletableFuture<>();
2425		final CompletableFuture<Integer> g = new CompletableFuture<>();
2426	<	final Noop r = new Noop();
2426	>	final FailingFunction[] rs = new FailingFunction[6];
2427	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2428
2429	<	g.complete(v2);
2429	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2430	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2431		f.complete(v1);
2432	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2432	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2433	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2434	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2435	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2436	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2437	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2438	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2439	>
2440	>	g.complete(v2);
2441	>
2442	>	// unspecified behavior - both source completions available
2443	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2444	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2445	>
2446	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2447	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2448	>	Objects.equals(v2, rs[4].value));
2449	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2450	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2451	>	Objects.equals(v2, rs[5].value));
2452
1259	–	checkCompletedNormally(h, null);
1260	–	assertTrue(r.ran);
2453		checkCompletedNormally(f, v1);
2454		checkCompletedNormally(g, v2);
2455	<	}
1264	<	}
2455	>	}}
2456
2457	<	public void testRunAfterBoth_normalCompletion4() {
2457	>	/**
2458	>	* acceptEither result completes normally after normal completion
2459	>	* of either source
2460	>	*/
2461	>	public void testAcceptEither_normalCompletion() {
2462		for (ExecutionMode m : ExecutionMode.values())
2463		for (Integer v1 : new Integer[] { 1, null })
2464	<	for (Integer v2 : new Integer[] { 2, null }) {
2465	<
2464	>	for (Integer v2 : new Integer[] { 2, null })
2465	>	{
2466		final CompletableFuture<Integer> f = new CompletableFuture<>();
2467		final CompletableFuture<Integer> g = new CompletableFuture<>();
2468	<	final Noop r = new Noop();
2468	>	final NoopConsumer[] rs = new NoopConsumer[6];
2469	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2470
2471	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2472	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2473	+	checkIncomplete(h0);
2474	+	checkIncomplete(h1);
2475	+	rs[0].assertNotInvoked();
2476	+	rs[1].assertNotInvoked();
2477		f.complete(v1);
2478	+	checkCompletedNormally(h0, null);
2479	+	checkCompletedNormally(h1, null);
2480	+	rs[0].assertValue(v1);
2481	+	rs[1].assertValue(v1);
2482	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2483	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2484	+	checkCompletedNormally(h2, null);
2485	+	checkCompletedNormally(h3, null);
2486	+	rs[2].assertValue(v1);
2487	+	rs[3].assertValue(v1);
2488		g.complete(v2);
1277	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2489
2490	<	checkCompletedNormally(h, null);
2491	<	assertTrue(r.ran);
2490	>	// unspecified behavior - both source completions available
2491	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2492	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2493	>	checkCompletedNormally(h4, null);
2494	>	checkCompletedNormally(h5, null);
2495	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2496	>	Objects.equals(v2, rs[4].value));
2497	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2498	>	Objects.equals(v2, rs[5].value));
2499	>
2500		checkCompletedNormally(f, v1);
2501		checkCompletedNormally(g, v2);
2502	<	}
2503	<	}
2502	>	checkCompletedNormally(h0, null);
2503	>	checkCompletedNormally(h1, null);
2504	>	checkCompletedNormally(h2, null);
2505	>	checkCompletedNormally(h3, null);
2506	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2507	>	}}
2508
2509		/**
2510	<	* runAfterBoth result completes exceptionally after exceptional
2510	>	* acceptEither result completes exceptionally after exceptional
2511		* completion of either source
2512		*/
2513	<	public void testRunAfterBoth_exceptionalCompletion1() {
2513	>	public void testAcceptEither_exceptionalCompletion() {
2514		for (ExecutionMode m : ExecutionMode.values())
2515	<	for (Integer v1 : new Integer[] { 1, null }) {
2516	<
2515	>	for (Integer v1 : new Integer[] { 1, null })
2516	>	{
2517		final CompletableFuture<Integer> f = new CompletableFuture<>();
2518		final CompletableFuture<Integer> g = new CompletableFuture<>();
1296	–	final Noop r = new Noop();
1297	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2519		final CFException ex = new CFException();
2520	+	final NoopConsumer[] rs = new NoopConsumer[6];
2521	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2522
2523	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2524	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2525	+	checkIncomplete(h0);
2526	+	checkIncomplete(h1);
2527	+	rs[0].assertNotInvoked();
2528	+	rs[1].assertNotInvoked();
2529		f.completeExceptionally(ex);
2530	<	checkIncomplete(h);
2530	>	checkCompletedWithWrappedException(h0, ex);
2531	>	checkCompletedWithWrappedException(h1, ex);
2532	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2533	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2534	>	checkCompletedWithWrappedException(h2, ex);
2535	>	checkCompletedWithWrappedException(h3, ex);
2536	>
2537		g.complete(v1);
2538
2539	<	checkCompletedWithWrappedCFException(h, ex);
2540	<	checkCompletedWithWrappedCFException(f, ex);
2541	<	assertFalse(r.ran);
2542	<	checkCompletedNormally(g, v1);
2539	>	// unspecified behavior - both source completions available
2540	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2541	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2542	>	try {
2543	>	assertNull(h4.join());
2544	>	rs[4].assertValue(v1);
2545	>	} catch (CompletionException ok) {
2546	>	checkCompletedWithWrappedException(h4, ex);
2547	>	rs[4].assertNotInvoked();
2548	>	}
2549	>	try {
2550	>	assertNull(h5.join());
2551	>	rs[5].assertValue(v1);
2552	>	} catch (CompletionException ok) {
2553	>	checkCompletedWithWrappedException(h5, ex);
2554	>	rs[5].assertNotInvoked();
2555		}
1309	–	}
2556
2557	<	public void testRunAfterBoth_exceptionalCompletion2() {
2558	<	for (ExecutionMode m : ExecutionMode.values())
2559	<	for (Integer v1 : new Integer[] { 1, null }) {
2557	>	checkCompletedExceptionally(f, ex);
2558	>	checkCompletedNormally(g, v1);
2559	>	checkCompletedWithWrappedException(h0, ex);
2560	>	checkCompletedWithWrappedException(h1, ex);
2561	>	checkCompletedWithWrappedException(h2, ex);
2562	>	checkCompletedWithWrappedException(h3, ex);
2563	>	checkCompletedWithWrappedException(h4, ex);
2564	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2565	>	}}
2566
2567	+	public void testAcceptEither_exceptionalCompletion2() {
2568	+	for (ExecutionMode m : ExecutionMode.values())
2569	+	for (boolean fFirst : new boolean[] { true, false })
2570	+	for (Integer v1 : new Integer[] { 1, null })
2571	+	{
2572		final CompletableFuture<Integer> f = new CompletableFuture<>();
2573		final CompletableFuture<Integer> g = new CompletableFuture<>();
1317	–	final Noop r = new Noop();
1318	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2574		final CFException ex = new CFException();
2575	+	final NoopConsumer[] rs = new NoopConsumer[6];
2576	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2577
2578	<	g.completeExceptionally(ex);
2579	<	checkIncomplete(h);
2580	<	f.complete(v1);
2578	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2579	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2580	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2581	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2582	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2583	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2584
2585	<	checkCompletedWithWrappedCFException(h, ex);
2586	<	checkCompletedWithWrappedCFException(g, ex);
2587	<	assertFalse(r.ran);
2588	<	checkCompletedNormally(f, v1);
2585	>	// unspecified behavior - both source completions available
2586	>	try {
2587	>	assertNull(h0.join());
2588	>	rs[0].assertValue(v1);
2589	>	} catch (CompletionException ok) {
2590	>	checkCompletedWithWrappedException(h0, ex);
2591	>	rs[0].assertNotInvoked();
2592	>	}
2593	>	try {
2594	>	assertNull(h1.join());
2595	>	rs[1].assertValue(v1);
2596	>	} catch (CompletionException ok) {
2597	>	checkCompletedWithWrappedException(h1, ex);
2598	>	rs[1].assertNotInvoked();
2599	>	}
2600	>	try {
2601	>	assertNull(h2.join());
2602	>	rs[2].assertValue(v1);
2603	>	} catch (CompletionException ok) {
2604	>	checkCompletedWithWrappedException(h2, ex);
2605	>	rs[2].assertNotInvoked();
2606	>	}
2607	>	try {
2608	>	assertNull(h3.join());
2609	>	rs[3].assertValue(v1);
2610	>	} catch (CompletionException ok) {
2611	>	checkCompletedWithWrappedException(h3, ex);
2612	>	rs[3].assertNotInvoked();
2613		}
1330	–	}
1331	–
1332	–	public void testRunAfterBoth_exceptionalCompletion3() {
1333	–	for (ExecutionMode m : ExecutionMode.values())
1334	–	for (Integer v1 : new Integer[] { 1, null }) {
1335	–
1336	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1337	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1338	–	final Noop r = new Noop();
1339	–	final CFException ex = new CFException();
1340	–
1341	–	g.completeExceptionally(ex);
1342	–	f.complete(v1);
1343	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2614
1345	–	checkCompletedWithWrappedCFException(h, ex);
1346	–	checkCompletedWithWrappedCFException(g, ex);
1347	–	assertFalse(r.ran);
2615		checkCompletedNormally(f, v1);
2616	<	}
2617	<	}
2616	>	checkCompletedExceptionally(g, ex);
2617	>	}}
2618
2619	<	public void testRunAfterBoth_exceptionalCompletion4() {
2619	>	/**
2620	>	* acceptEither result completes exceptionally if either source cancelled
2621	>	*/
2622	>	public void testAcceptEither_sourceCancelled() {
2623		for (ExecutionMode m : ExecutionMode.values())
2624	<	for (Integer v1 : new Integer[] { 1, null }) {
2625	<
2624	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2625	>	for (Integer v1 : new Integer[] { 1, null })
2626	>	{
2627		final CompletableFuture<Integer> f = new CompletableFuture<>();
2628		final CompletableFuture<Integer> g = new CompletableFuture<>();
2629	<	final Noop r = new Noop();
2630	<	final CFException ex = new CFException();
2629	>	final NoopConsumer[] rs = new NoopConsumer[6];
2630	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2631	>
2632	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2633	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2634	>	checkIncomplete(h0);
2635	>	checkIncomplete(h1);
2636	>	rs[0].assertNotInvoked();
2637	>	rs[1].assertNotInvoked();
2638	>	f.cancel(mayInterruptIfRunning);
2639	>	checkCompletedWithWrappedCancellationException(h0);
2640	>	checkCompletedWithWrappedCancellationException(h1);
2641	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2642	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2643	>	checkCompletedWithWrappedCancellationException(h2);
2644	>	checkCompletedWithWrappedCancellationException(h3);
2645
1361	–	f.completeExceptionally(ex);
2646		g.complete(v1);
1363	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2647
2648	<	checkCompletedWithWrappedCFException(h, ex);
2649	<	checkCompletedWithWrappedCFException(f, ex);
2650	<	assertFalse(r.ran);
2651	<	checkCompletedNormally(g, v1);
2648	>	// unspecified behavior - both source completions available
2649	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2650	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2651	>	try {
2652	>	assertNull(h4.join());
2653	>	rs[4].assertValue(v1);
2654	>	} catch (CompletionException ok) {
2655	>	checkCompletedWithWrappedCancellationException(h4);
2656	>	rs[4].assertNotInvoked();
2657	>	}
2658	>	try {
2659	>	assertNull(h5.join());
2660	>	rs[5].assertValue(v1);
2661	>	} catch (CompletionException ok) {
2662	>	checkCompletedWithWrappedCancellationException(h5);
2663	>	rs[5].assertNotInvoked();
2664		}
2665	<	}
2665	>
2666	>	checkCancelled(f);
2667	>	checkCompletedNormally(g, v1);
2668	>	checkCompletedWithWrappedCancellationException(h0);
2669	>	checkCompletedWithWrappedCancellationException(h1);
2670	>	checkCompletedWithWrappedCancellationException(h2);
2671	>	checkCompletedWithWrappedCancellationException(h3);
2672	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2673	>	}}
2674
2675		/**
2676	<	* runAfterBoth result completes exceptionally if action does
2676	>	* acceptEither result completes exceptionally if action does
2677		*/
2678	<	public void testRunAfterBoth_actionFailed1() {
2678	>	public void testAcceptEither_actionFailed() {
2679		for (ExecutionMode m : ExecutionMode.values())
2680		for (Integer v1 : new Integer[] { 1, null })
2681	<	for (Integer v2 : new Integer[] { 2, null }) {
2682	<
2681	>	for (Integer v2 : new Integer[] { 2, null })
2682	>	{
2683		final CompletableFuture<Integer> f = new CompletableFuture<>();
2684		final CompletableFuture<Integer> g = new CompletableFuture<>();
2685	<	final FailingNoop r = new FailingNoop();
2686	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2685	>	final FailingConsumer[] rs = new FailingConsumer[6];
2686	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2687
2688	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2689	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2690		f.complete(v1);
2691	<	checkIncomplete(h);
2691	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2692	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2693	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2694	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2695	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2696	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2697	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2698	>
2699		g.complete(v2);
2700
2701	<	checkCompletedWithWrappedCFException(h);
2701	>	// unspecified behavior - both source completions available
2702	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2703	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2704	>
2705	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2706	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2707	>	Objects.equals(v2, rs[4].value));
2708	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2709	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2710	>	Objects.equals(v2, rs[5].value));
2711	>
2712		checkCompletedNormally(f, v1);
2713		checkCompletedNormally(g, v2);
2714	<	}
1393	<	}
2714	>	}}
2715
2716	<	public void testRunAfterBoth_actionFailed2() {
2716	>	/**
2717	>	* runAfterEither result completes normally after normal completion
2718	>	* of either source
2719	>	*/
2720	>	public void testRunAfterEither_normalCompletion() {
2721		for (ExecutionMode m : ExecutionMode.values())
2722		for (Integer v1 : new Integer[] { 1, null })
2723	<	for (Integer v2 : new Integer[] { 2, null }) {
2724	<
2723	>	for (Integer v2 : new Integer[] { 2, null })
2724	>	for (boolean pushNop : new boolean[] { true, false })
2725	>	{
2726		final CompletableFuture<Integer> f = new CompletableFuture<>();
2727		final CompletableFuture<Integer> g = new CompletableFuture<>();
2728	<	final FailingNoop r = new FailingNoop();
2729	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2728	>	final Noop[] rs = new Noop[6];
2729	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2730
2731	<	g.complete(v2);
2732	<	checkIncomplete(h);
2731	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2732	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2733	>	checkIncomplete(h0);
2734	>	checkIncomplete(h1);
2735	>	rs[0].assertNotInvoked();
2736	>	rs[1].assertNotInvoked();
2737	>	if (pushNop) {          // ad hoc test of intra-completion interference
2738	>	m.thenRun(f, () -> {});
2739	>	m.thenRun(g, () -> {});
2740	>	}
2741		f.complete(v1);
2742	+	checkCompletedNormally(h0, null);
2743	+	checkCompletedNormally(h1, null);
2744	+	rs[0].assertInvoked();
2745	+	rs[1].assertInvoked();
2746	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2747	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2748	+	checkCompletedNormally(h2, null);
2749	+	checkCompletedNormally(h3, null);
2750	+	rs[2].assertInvoked();
2751	+	rs[3].assertInvoked();
2752	+
2753	+	g.complete(v2);
2754	+
2755	+	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2756	+	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2757
1409	–	checkCompletedWithWrappedCFException(h);
2758		checkCompletedNormally(f, v1);
2759		checkCompletedNormally(g, v2);
2760	<	}
2761	<	}
2760	>	checkCompletedNormally(h0, null);
2761	>	checkCompletedNormally(h1, null);
2762	>	checkCompletedNormally(h2, null);
2763	>	checkCompletedNormally(h3, null);
2764	>	checkCompletedNormally(h4, null);
2765	>	checkCompletedNormally(h5, null);
2766	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2767	>	}}
2768
2769		/**
2770	<	* runAfterBoth result completes exceptionally if either source cancelled
2770	>	* runAfterEither result completes exceptionally after exceptional
2771	>	* completion of either source
2772		*/
2773	<	public void testRunAfterBoth_sourceCancelled1() {
2773	>	public void testRunAfterEither_exceptionalCompletion() {
2774		for (ExecutionMode m : ExecutionMode.values())
2775	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2776	<	for (Integer v1 : new Integer[] { 1, null }) {
1422	<
2775	>	for (Integer v1 : new Integer[] { 1, null })
2776	>	{
2777		final CompletableFuture<Integer> f = new CompletableFuture<>();
2778		final CompletableFuture<Integer> g = new CompletableFuture<>();
2779	<	final Noop r = new Noop();
2780	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2779	>	final CFException ex = new CFException();
2780	>	final Noop[] rs = new Noop[6];
2781	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2782
2783	<	assertTrue(f.cancel(mayInterruptIfRunning));
2784	<	checkIncomplete(h);
2785	<	g.complete(v1);
2783	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2784	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2785	>	checkIncomplete(h0);
2786	>	checkIncomplete(h1);
2787	>	rs[0].assertNotInvoked();
2788	>	rs[1].assertNotInvoked();
2789	>	assertTrue(f.completeExceptionally(ex));
2790	>	checkCompletedWithWrappedException(h0, ex);
2791	>	checkCompletedWithWrappedException(h1, ex);
2792	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2793	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2794	>	checkCompletedWithWrappedException(h2, ex);
2795	>	checkCompletedWithWrappedException(h3, ex);
2796	>
2797	>	assertTrue(g.complete(v1));
2798	>
2799	>	// unspecified behavior - both source completions available
2800	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2801	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2802	>	try {
2803	>	assertNull(h4.join());
2804	>	rs[4].assertInvoked();
2805	>	} catch (CompletionException ok) {
2806	>	checkCompletedWithWrappedException(h4, ex);
2807	>	rs[4].assertNotInvoked();
2808	>	}
2809	>	try {
2810	>	assertNull(h5.join());
2811	>	rs[5].assertInvoked();
2812	>	} catch (CompletionException ok) {
2813	>	checkCompletedWithWrappedException(h5, ex);
2814	>	rs[5].assertNotInvoked();
2815	>	}
2816
2817	<	checkCompletedWithWrappedCancellationException(h);
1433	<	checkCancelled(f);
1434	<	assertFalse(r.ran);
2817	>	checkCompletedExceptionally(f, ex);
2818		checkCompletedNormally(g, v1);
2819	<	}
2820	<	}
2819	>	checkCompletedWithWrappedException(h0, ex);
2820	>	checkCompletedWithWrappedException(h1, ex);
2821	>	checkCompletedWithWrappedException(h2, ex);
2822	>	checkCompletedWithWrappedException(h3, ex);
2823	>	checkCompletedWithWrappedException(h4, ex);
2824	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2825	>	}}
2826
2827	<	public void testRunAfterBoth_sourceCancelled2() {
2827	>	public void testRunAfterEither_exceptionalCompletion2() {
2828		for (ExecutionMode m : ExecutionMode.values())
2829	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2830	<	for (Integer v1 : new Integer[] { 1, null }) {
2831	<
2829	>	for (boolean fFirst : new boolean[] { true, false })
2830	>	for (Integer v1 : new Integer[] { 1, null })
2831	>	{
2832		final CompletableFuture<Integer> f = new CompletableFuture<>();
2833		final CompletableFuture<Integer> g = new CompletableFuture<>();
2834	<	final Noop r = new Noop();
2835	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2834	>	final CFException ex = new CFException();
2835	>	final Noop[] rs = new Noop[6];
2836	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2837
2838	<	assertTrue(g.cancel(mayInterruptIfRunning));
2839	<	checkIncomplete(h);
2840	<	f.complete(v1);
2838	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2839	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2840	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2841	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2842	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2843	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2844
2845	<	checkCompletedWithWrappedCancellationException(h);
2846	<	checkCancelled(g);
2847	<	assertFalse(r.ran);
2848	<	checkCompletedNormally(f, v1);
2845	>	// unspecified behavior - both source completions available
2846	>	try {
2847	>	assertNull(h0.join());
2848	>	rs[0].assertInvoked();
2849	>	} catch (CompletionException ok) {
2850	>	checkCompletedWithWrappedException(h0, ex);
2851	>	rs[0].assertNotInvoked();
2852	>	}
2853	>	try {
2854	>	assertNull(h1.join());
2855	>	rs[1].assertInvoked();
2856	>	} catch (CompletionException ok) {
2857	>	checkCompletedWithWrappedException(h1, ex);
2858	>	rs[1].assertNotInvoked();
2859	>	}
2860	>	try {
2861	>	assertNull(h2.join());
2862	>	rs[2].assertInvoked();
2863	>	} catch (CompletionException ok) {
2864	>	checkCompletedWithWrappedException(h2, ex);
2865	>	rs[2].assertNotInvoked();
2866	>	}
2867	>	try {
2868	>	assertNull(h3.join());
2869	>	rs[3].assertInvoked();
2870	>	} catch (CompletionException ok) {
2871	>	checkCompletedWithWrappedException(h3, ex);
2872	>	rs[3].assertNotInvoked();
2873		}
1458	–	}
1459	–
1460	–	public void testRunAfterBoth_sourceCancelled3() {
1461	–	for (ExecutionMode m : ExecutionMode.values())
1462	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1463	–	for (Integer v1 : new Integer[] { 1, null }) {
1464	–
1465	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1466	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1467	–	final Noop r = new Noop();
1468	–
1469	–	assertTrue(g.cancel(mayInterruptIfRunning));
1470	–	f.complete(v1);
1471	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2874
1473	–	checkCompletedWithWrappedCancellationException(h);
1474	–	checkCancelled(g);
1475	–	assertFalse(r.ran);
2875		checkCompletedNormally(f, v1);
2876	<	}
2877	<	}
2876	>	checkCompletedExceptionally(g, ex);
2877	>	}}
2878
2879	<	public void testRunAfterBoth_sourceCancelled4() {
2879	>	/**
2880	>	* runAfterEither result completes exceptionally if either source cancelled
2881	>	*/
2882	>	public void testRunAfterEither_sourceCancelled() {
2883		for (ExecutionMode m : ExecutionMode.values())
2884		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2885	<	for (Integer v1 : new Integer[] { 1, null }) {
2886	<
2885	>	for (Integer v1 : new Integer[] { 1, null })
2886	>	{
2887		final CompletableFuture<Integer> f = new CompletableFuture<>();
2888		final CompletableFuture<Integer> g = new CompletableFuture<>();
2889	<	final Noop r = new Noop();
2889	>	final Noop[] rs = new Noop[6];
2890	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2891
2892	<	assertTrue(f.cancel(mayInterruptIfRunning));
2893	<	g.complete(v1);
2894	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2892	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2893	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2894	>	checkIncomplete(h0);
2895	>	checkIncomplete(h1);
2896	>	rs[0].assertNotInvoked();
2897	>	rs[1].assertNotInvoked();
2898	>	f.cancel(mayInterruptIfRunning);
2899	>	checkCompletedWithWrappedCancellationException(h0);
2900	>	checkCompletedWithWrappedCancellationException(h1);
2901	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2902	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2903	>	checkCompletedWithWrappedCancellationException(h2);
2904	>	checkCompletedWithWrappedCancellationException(h3);
2905	>
2906	>	assertTrue(g.complete(v1));
2907	>
2908	>	// unspecified behavior - both source completions available
2909	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2910	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2911	>	try {
2912	>	assertNull(h4.join());
2913	>	rs[4].assertInvoked();
2914	>	} catch (CompletionException ok) {
2915	>	checkCompletedWithWrappedCancellationException(h4);
2916	>	rs[4].assertNotInvoked();
2917	>	}
2918	>	try {
2919	>	assertNull(h5.join());
2920	>	rs[5].assertInvoked();
2921	>	} catch (CompletionException ok) {
2922	>	checkCompletedWithWrappedCancellationException(h5);
2923	>	rs[5].assertNotInvoked();
2924	>	}
2925
1493	–	checkCompletedWithWrappedCancellationException(h);
2926		checkCancelled(f);
1495	–	assertFalse(r.ran);
2927		checkCompletedNormally(g, v1);
2928	<	}
2929	<	}
2930	<
2931	<	/**
2932	<	* applyToEither result completes normally after normal completion
2933	<	* of either source
1503	<	*/
1504	<	public void testApplyToEither() {
1505	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1506	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1507	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1508	<	f.complete(one);
1509	<	checkCompletedNormally(g, two);
1510	<	f2.complete(one);
1511	<	checkCompletedNormally(g, two);
1512	<
1513	<	f = new CompletableFuture<>();
1514	<	f.complete(one);
1515	<	f2 = new CompletableFuture<>();
1516	<	g = f.applyToEither(f2, inc);
1517	<	checkCompletedNormally(g, two);
1518	<	}
1519	<
1520	<	/**
1521	<	* applyToEither result completes exceptionally after exceptional
1522	<	* completion of either source
1523	<	*/
1524	<	public void testApplyToEither2() {
1525	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1526	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1527	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1528	<	f.completeExceptionally(new CFException());
1529	<	f2.complete(one);
1530	<	checkCompletedWithWrappedCFException(g);
1531	<
1532	<	f = new CompletableFuture<>();
1533	<	f2 = new CompletableFuture<>();
1534	<	f2.completeExceptionally(new CFException());
1535	<	g = f.applyToEither(f2, inc);
1536	<	checkCompletedWithWrappedCFException(g);
1537	<	}
1538	<
1539	<	/**
1540	<	* applyToEither result completes exceptionally if action does
1541	<	*/
1542	<	public void testApplyToEither3() {
1543	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1544	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1545	<	FailingFunction r = new FailingFunction();
1546	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
1547	<	f2.complete(two);
1548	<	checkCompletedWithWrappedCFException(g);
1549	<	}
1550	<
1551	<	/**
1552	<	* applyToEither result completes exceptionally if either source cancelled
1553	<	*/
1554	<	public void testApplyToEither4() {
1555	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1556	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1557	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1558	<	assertTrue(f.cancel(true));
1559	<	checkCompletedWithWrappedCancellationException(g);
1560	<	f = new CompletableFuture<>();
1561	<	f2 = new CompletableFuture<>();
1562	<	assertTrue(f2.cancel(true));
1563	<	checkCompletedWithWrappedCancellationException(g);
1564	<	}
1565	<
1566	<	/**
1567	<	* acceptEither result completes normally after normal completion
1568	<	* of either source
1569	<	*/
1570	<	public void testAcceptEither() {
1571	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1572	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1573	<	IncAction r = new IncAction();
1574	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1575	<	f.complete(one);
1576	<	checkCompletedNormally(g, null);
1577	<	f2.complete(one);
1578	<	checkCompletedNormally(g, null);
1579	<	assertEquals(r.value, 2);
1580	<
1581	<	r = new IncAction();
1582	<	f = new CompletableFuture<>();
1583	<	f.complete(one);
1584	<	f2 = new CompletableFuture<>();
1585	<	g = f.acceptEither(f2, r);
1586	<	checkCompletedNormally(g, null);
1587	<	assertEquals(r.value, 2);
1588	<	}
1589	<
1590	<	/**
1591	<	* acceptEither result completes exceptionally after exceptional
1592	<	* completion of either source
1593	<	*/
1594	<	public void testAcceptEither2() {
1595	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1596	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1597	<	IncAction r = new IncAction();
1598	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1599	<	f.completeExceptionally(new CFException());
1600	<	f2.complete(one);
1601	<	checkCompletedWithWrappedCFException(g);
1602	<
1603	<	r = new IncAction();
1604	<	f = new CompletableFuture<>();
1605	<	f2 = new CompletableFuture<>();
1606	<	f2.completeExceptionally(new CFException());
1607	<	g = f.acceptEither(f2, r);
1608	<	checkCompletedWithWrappedCFException(g);
1609	<	}
1610	<
1611	<	/**
1612	<	* acceptEither result completes exceptionally if action does
1613	<	*/
1614	<	public void testAcceptEither3() {
1615	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1616	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1617	<	FailingConsumer r = new FailingConsumer();
1618	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1619	<	f2.complete(two);
1620	<	checkCompletedWithWrappedCFException(g);
1621	<	}
1622	<
1623	<	/**
1624	<	* acceptEither result completes exceptionally if either source cancelled
1625	<	*/
1626	<	public void testAcceptEither4() {
1627	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1628	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1629	<	IncAction r = new IncAction();
1630	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1631	<	assertTrue(f.cancel(true));
1632	<	checkCompletedWithWrappedCancellationException(g);
1633	<	f = new CompletableFuture<>();
1634	<	f2 = new CompletableFuture<>();
1635	<	assertTrue(f2.cancel(true));
1636	<	checkCompletedWithWrappedCancellationException(g);
1637	<	}
1638	<
1639	<	/**
1640	<	* runAfterEither result completes normally after normal completion
1641	<	* of either source
1642	<	*/
1643	<	public void testRunAfterEither() {
1644	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1645	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1646	<	Noop r = new Noop();
1647	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1648	<	f.complete(one);
1649	<	checkCompletedNormally(g, null);
1650	<	f2.complete(one);
1651	<	checkCompletedNormally(g, null);
1652	<	assertTrue(r.ran);
1653	<
1654	<	r = new Noop();
1655	<	f = new CompletableFuture<>();
1656	<	f.complete(one);
1657	<	f2 = new CompletableFuture<>();
1658	<	g = f.runAfterEither(f2, r);
1659	<	checkCompletedNormally(g, null);
1660	<	assertTrue(r.ran);
1661	<	}
1662	<
1663	<	/**
1664	<	* runAfterEither result completes exceptionally after exceptional
1665	<	* completion of either source
1666	<	*/
1667	<	public void testRunAfterEither2() {
1668	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1669	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1670	<	Noop r = new Noop();
1671	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1672	<	f.completeExceptionally(new CFException());
1673	<	f2.complete(one);
1674	<	checkCompletedWithWrappedCFException(g);
1675	<
1676	<	r = new Noop();
1677	<	f = new CompletableFuture<>();
1678	<	f2 = new CompletableFuture<>();
1679	<	f2.completeExceptionally(new CFException());
1680	<	g = f.runAfterEither(f2, r);
1681	<	checkCompletedWithWrappedCFException(g);
1682	<	}
2928	>	checkCompletedWithWrappedCancellationException(h0);
2929	>	checkCompletedWithWrappedCancellationException(h1);
2930	>	checkCompletedWithWrappedCancellationException(h2);
2931	>	checkCompletedWithWrappedCancellationException(h3);
2932	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2933	>	}}
2934
2935		/**
2936		* runAfterEither result completes exceptionally if action does
2937		*/
2938	<	public void testRunAfterEither3() {
2939	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2940	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2941	<	FailingNoop r = new FailingNoop();
2942	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2943	<	f2.complete(two);
2944	<	checkCompletedWithWrappedCFException(g);
2945	<	}
2938	>	public void testRunAfterEither_actionFailed() {
2939	>	for (ExecutionMode m : ExecutionMode.values())
2940	>	for (Integer v1 : new Integer[] { 1, null })
2941	>	for (Integer v2 : new Integer[] { 2, null })
2942	>	{
2943	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2944	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2945	>	final FailingRunnable[] rs = new FailingRunnable[6];
2946	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2947
2948	<	/**
2949	<	* runAfterEither result completes exceptionally if either source cancelled
2950	<	*/
2951	<	public void testRunAfterEither4() {
2952	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2953	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2954	<	Noop r = new Noop();
2955	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2956	<	assertTrue(f.cancel(true));
2957	<	checkCompletedWithWrappedCancellationException(g);
2958	<	f = new CompletableFuture<>();
2959	<	f2 = new CompletableFuture<>();
2960	<	assertTrue(f2.cancel(true));
2961	<	checkCompletedWithWrappedCancellationException(g);
2962	<	}
2948	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2949	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2950	>	assertTrue(f.complete(v1));
2951	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2952	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2953	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2954	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2955	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2956	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2957	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2958	>	assertTrue(g.complete(v2));
2959	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2960	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2961	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2962	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2963	>
2964	>	checkCompletedNormally(f, v1);
2965	>	checkCompletedNormally(g, v2);
2966	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2967	>	}}
2968
2969		/**
2970		* thenCompose result completes normally after normal completion of source
2971		*/
2972	<	public void testThenCompose() {
2973	<	CompletableFuture<Integer> f, g;
2974	<	CompletableFutureInc r;
2975	<
2976	<	f = new CompletableFuture<>();
2977	<	g = f.thenCompose(r = new CompletableFutureInc());
2978	<	f.complete(one);
2979	<	checkCompletedNormally(g, two);
2980	<	assertTrue(r.ran);
2972	>	public void testThenCompose_normalCompletion() {
2973	>	for (ExecutionMode m : ExecutionMode.values())
2974	>	for (boolean createIncomplete : new boolean[] { true, false })
2975	>	for (Integer v1 : new Integer[] { 1, null })
2976	>	{
2977	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2978	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2979	>	if (!createIncomplete) assertTrue(f.complete(v1));
2980	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2981	>	if (createIncomplete) assertTrue(f.complete(v1));
2982
2983	<	f = new CompletableFuture<>();
2984	<	f.complete(one);
2985	<	g = f.thenCompose(r = new CompletableFutureInc());
2986	<	checkCompletedNormally(g, two);
1729	<	assertTrue(r.ran);
1730	<	}
2983	>	checkCompletedNormally(g, inc(v1));
2984	>	checkCompletedNormally(f, v1);
2985	>	r.assertValue(v1);
2986	>	}}
2987
2988		/**
2989		* thenCompose result completes exceptionally after exceptional
2990		* completion of source
2991		*/
2992	<	public void testThenCompose2() {
2993	<	CompletableFuture<Integer> f, g;
2994	<	CompletableFutureInc r;
2995	<
2996	<	f = new CompletableFuture<>();
2997	<	g = f.thenCompose(r = new CompletableFutureInc());
2998	<	f.completeExceptionally(new CFException());
2999	<	checkCompletedWithWrappedCFException(g);
3000	<
3001	<	f = new CompletableFuture<>();
3002	<	f.completeExceptionally(new CFException());
3003	<	g = f.thenCompose(r = new CompletableFutureInc());
3004	<	checkCompletedWithWrappedCFException(g);
3005	<	}
2992	>	public void testThenCompose_exceptionalCompletion() {
2993	>	for (ExecutionMode m : ExecutionMode.values())
2994	>	for (boolean createIncomplete : new boolean[] { true, false })
2995	>	{
2996	>	final CFException ex = new CFException();
2997	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2998	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2999	>	if (!createIncomplete) f.completeExceptionally(ex);
3000	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3001	>	if (createIncomplete) f.completeExceptionally(ex);
3002	>
3003	>	checkCompletedWithWrappedException(g, ex);
3004	>	checkCompletedExceptionally(f, ex);
3005	>	r.assertNotInvoked();
3006	>	}}
3007
3008		/**
3009		* thenCompose result completes exceptionally if action does
3010		*/
3011	<	public void testThenCompose3() {
3012	<	CompletableFuture<Integer> f, g;
3013	<	FailingCompletableFutureFunction r;
3014	<
3015	<	f = new CompletableFuture<>();
3016	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
3017	<	f.complete(one);
3018	<	checkCompletedWithWrappedCFException(g);
3011	>	public void testThenCompose_actionFailed() {
3012	>	for (ExecutionMode m : ExecutionMode.values())
3013	>	for (boolean createIncomplete : new boolean[] { true, false })
3014	>	for (Integer v1 : new Integer[] { 1, null })
3015	>	{
3016	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3017	>	final FailingCompletableFutureFunction r
3018	>	= new FailingCompletableFutureFunction(m);
3019	>	if (!createIncomplete) assertTrue(f.complete(v1));
3020	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3021	>	if (createIncomplete) assertTrue(f.complete(v1));
3022
3023	<	f = new CompletableFuture<>();
3024	<	f.complete(one);
3025	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1766	<	checkCompletedWithWrappedCFException(g);
1767	<	}
3023	>	checkCompletedWithWrappedException(g, r.ex);
3024	>	checkCompletedNormally(f, v1);
3025	>	}}
3026
3027		/**
3028		* thenCompose result completes exceptionally if source cancelled
3029		*/
3030	<	public void testThenCompose4() {
3031	<	CompletableFuture<Integer> f, g;
3032	<	CompletableFutureInc r;
3033	<
3034	<	f = new CompletableFuture<>();
3035	<	g = f.thenCompose(r = new CompletableFutureInc());
3036	<	assertTrue(f.cancel(true));
3037	<	checkCompletedWithWrappedCancellationException(g);
3030	>	public void testThenCompose_sourceCancelled() {
3031	>	for (ExecutionMode m : ExecutionMode.values())
3032	>	for (boolean createIncomplete : new boolean[] { true, false })
3033	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3034	>	{
3035	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3036	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3037	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3038	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3039	>	if (createIncomplete) {
3040	>	checkIncomplete(g);
3041	>	assertTrue(f.cancel(mayInterruptIfRunning));
3042	>	}
3043
1781	–	f = new CompletableFuture<>();
1782	–	assertTrue(f.cancel(true));
1783	–	g = f.thenCompose(r = new CompletableFutureInc());
3044		checkCompletedWithWrappedCancellationException(g);
3045	<	}
3046	<
1787	<	// asyncs
3045	>	checkCancelled(f);
3046	>	}}
3047
3048		/**
3049	<	* thenRunAsync result completes normally after normal completion of source
3049	>	* thenCompose result completes exceptionally if the result of the action does
3050		*/
3051	<	public void testThenRunAsync() {
3052	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3053	<	Noop r = new Noop();
3054	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3055	<	f.complete(null);
3056	<	checkCompletedNormally(g, null);
3051	>	public void testThenCompose_actionReturnsFailingFuture() {
3052	>	for (ExecutionMode m : ExecutionMode.values())
3053	>	for (int order = 0; order < 6; order++)
3054	>	for (Integer v1 : new Integer[] { 1, null })
3055	>	{
3056	>	final CFException ex = new CFException();
3057	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3058	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3059	>	final CompletableFuture<Integer> h;
3060	>	// Test all permutations of orders
3061	>	switch (order) {
3062	>	case 0:
3063	>	assertTrue(f.complete(v1));
3064	>	assertTrue(g.completeExceptionally(ex));
3065	>	h = m.thenCompose(f, (x -> g));
3066	>	break;
3067	>	case 1:
3068	>	assertTrue(f.complete(v1));
3069	>	h = m.thenCompose(f, (x -> g));
3070	>	assertTrue(g.completeExceptionally(ex));
3071	>	break;
3072	>	case 2:
3073	>	assertTrue(g.completeExceptionally(ex));
3074	>	assertTrue(f.complete(v1));
3075	>	h = m.thenCompose(f, (x -> g));
3076	>	break;
3077	>	case 3:
3078	>	assertTrue(g.completeExceptionally(ex));
3079	>	h = m.thenCompose(f, (x -> g));
3080	>	assertTrue(f.complete(v1));
3081	>	break;
3082	>	case 4:
3083	>	h = m.thenCompose(f, (x -> g));
3084	>	assertTrue(f.complete(v1));
3085	>	assertTrue(g.completeExceptionally(ex));
3086	>	break;
3087	>	case 5:
3088	>	h = m.thenCompose(f, (x -> g));
3089	>	assertTrue(f.complete(v1));
3090	>	assertTrue(g.completeExceptionally(ex));
3091	>	break;
3092	>	default: throw new AssertionError();
3093	>	}
3094
3095	<	// reordered version
3096	<	f = new CompletableFuture<>();
3097	<	f.complete(null);
3098	<	r = new Noop();
1803	<	g = f.thenRunAsync(r);
1804	<	checkCompletedNormally(g, null);
1805	<	}
3095	>	checkCompletedExceptionally(g, ex);
3096	>	checkCompletedWithWrappedException(h, ex);
3097	>	checkCompletedNormally(f, v1);
3098	>	}}
3099
3100	<	/**
1808	<	* thenRunAsync result completes exceptionally after exceptional
1809	<	* completion of source
1810	<	*/
1811	<	public void testThenRunAsync2() {
1812	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1813	<	Noop r = new Noop();
1814	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1815	<	f.completeExceptionally(new CFException());
1816	<	try {
1817	<	g.join();
1818	<	shouldThrow();
1819	<	} catch (CompletionException success) {}
1820	<	checkCompletedWithWrappedCFException(g);
1821	<	}
3100	>	// other static methods
3101
3102		/**
3103	<	* thenRunAsync result completes exceptionally if action does
3103	>	* allOf(no component futures) returns a future completed normally
3104	>	* with the value null
3105		*/
3106	<	public void testThenRunAsync3() {
3107	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3108	<	FailingNoop r = new FailingNoop();
1829	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1830	<	f.complete(null);
1831	<	checkCompletedWithWrappedCFException(g);
3106	>	public void testAllOf_empty() throws Exception {
3107	>	CompletableFuture<Void> f = CompletableFuture.allOf();
3108	>	checkCompletedNormally(f, null);
3109		}
3110
3111		/**
3112	<	* thenRunAsync result completes exceptionally if source cancelled
3112	>	* allOf returns a future completed normally with the value null
3113	>	* when all components complete normally
3114		*/
3115	<	public void testThenRunAsync4() {
3116	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3117	<	Noop r = new Noop();
3118	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3119	<	assertTrue(f.cancel(true));
3120	<	checkCompletedWithWrappedCancellationException(g);
3115	>	public void testAllOf_normal() throws Exception {
3116	>	for (int k = 1; k < 10; k++) {
3117	>	CompletableFuture<Integer>[] fs
3118	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3119	>	for (int i = 0; i < k; i++)
3120	>	fs[i] = new CompletableFuture<>();
3121	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3122	>	for (int i = 0; i < k; i++) {
3123	>	checkIncomplete(f);
3124	>	checkIncomplete(CompletableFuture.allOf(fs));
3125	>	fs[i].complete(one);
3126	>	}
3127	>	checkCompletedNormally(f, null);
3128	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3129	>	}
3130		}
3131
3132	<	/**
3133	<	* thenApplyAsync result completes normally after normal completion of source
3134	<	*/
3135	<	public void testThenApplyAsync() {
3136	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3137	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3138	<	f.complete(one);
3139	<	checkCompletedNormally(g, two);
3132	>	public void testAllOf_normal_backwards() throws Exception {
3133	>	for (int k = 1; k < 10; k++) {
3134	>	CompletableFuture<Integer>[] fs
3135	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3136	>	for (int i = 0; i < k; i++)
3137	>	fs[i] = new CompletableFuture<>();
3138	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3139	>	for (int i = k - 1; i >= 0; i--) {
3140	>	checkIncomplete(f);
3141	>	checkIncomplete(CompletableFuture.allOf(fs));
3142	>	fs[i].complete(one);
3143	>	}
3144	>	checkCompletedNormally(f, null);
3145	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3146	>	}
3147		}
3148
3149	<	/**
3150	<	* thenApplyAsync result completes exceptionally after exceptional
3151	<	* completion of source
3152	<	*/
3153	<	public void testThenApplyAsync2() {
3154	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3155	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3156	<	f.completeExceptionally(new CFException());
3157	<	checkCompletedWithWrappedCFException(g);
3149	>	public void testAllOf_exceptional() throws Exception {
3150	>	for (int k = 1; k < 10; k++) {
3151	>	CompletableFuture<Integer>[] fs
3152	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3153	>	CFException ex = new CFException();
3154	>	for (int i = 0; i < k; i++)
3155	>	fs[i] = new CompletableFuture<>();
3156	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3157	>	for (int i = 0; i < k; i++) {
3158	>	checkIncomplete(f);
3159	>	checkIncomplete(CompletableFuture.allOf(fs));
3160	>	if (i != k / 2) {
3161	>	fs[i].complete(i);
3162	>	checkCompletedNormally(fs[i], i);
3163	>	} else {
3164	>	fs[i].completeExceptionally(ex);
3165	>	checkCompletedExceptionally(fs[i], ex);
3166	>	}
3167	>	}
3168	>	checkCompletedWithWrappedException(f, ex);
3169	>	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3170	>	}
3171		}
3172
3173		/**
3174	<	* thenApplyAsync result completes exceptionally if action does
3174	>	* anyOf(no component futures) returns an incomplete future
3175		*/
3176	<	public void testThenApplyAsync3() {
3177	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3178	<	FailingFunction r = new FailingFunction();
3179	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
3180	<	f.complete(null);
1874	<	checkCompletedWithWrappedCFException(g);
1875	<	}
3176	>	public void testAnyOf_empty() throws Exception {
3177	>	for (Integer v1 : new Integer[] { 1, null })
3178	>	{
3179	>	CompletableFuture<Object> f = CompletableFuture.anyOf();
3180	>	checkIncomplete(f);
3181
3182	<	/**
3183	<	* thenApplyAsync result completes exceptionally if source cancelled
3184	<	*/
1880	<	public void testThenApplyAsync4() {
1881	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1882	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1883	<	assertTrue(f.cancel(true));
1884	<	checkCompletedWithWrappedCancellationException(g);
1885	<	}
3182	>	f.complete(v1);
3183	>	checkCompletedNormally(f, v1);
3184	>	}}
3185
3186		/**
3187	<	* thenAcceptAsync result completes normally after normal
3188	<	* completion of source
3187	>	* anyOf returns a future completed normally with a value when
3188	>	* a component future does
3189		*/
3190	<	public void testThenAcceptAsync() {
3191	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3192	<	IncAction r = new IncAction();
3193	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3194	<	f.complete(one);
3195	<	checkCompletedNormally(g, null);
3196	<	assertEquals(r.value, 2);
3190	>	public void testAnyOf_normal() throws Exception {
3191	>	for (int k = 0; k < 10; k++) {
3192	>	CompletableFuture[] fs = new CompletableFuture[k];
3193	>	for (int i = 0; i < k; i++)
3194	>	fs[i] = new CompletableFuture<>();
3195	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3196	>	checkIncomplete(f);
3197	>	for (int i = 0; i < k; i++) {
3198	>	fs[i].complete(i);
3199	>	checkCompletedNormally(f, 0);
3200	>	int x = (int) CompletableFuture.anyOf(fs).join();
3201	>	assertTrue(0 <= x && x <= i);
3202	>	}
3203	>	}
3204		}
3205	<
3206	<	/**
3207	<	* thenAcceptAsync result completes exceptionally after exceptional
3208	<	* completion of source
3209	<	*/
3210	<	public void testThenAcceptAsync2() {
3211	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3212	<	IncAction r = new IncAction();
3213	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3214	<	f.completeExceptionally(new CFException());
3215	<	checkCompletedWithWrappedCFException(g);
3205	>	public void testAnyOf_normal_backwards() throws Exception {
3206	>	for (int k = 0; k < 10; k++) {
3207	>	CompletableFuture[] fs = new CompletableFuture[k];
3208	>	for (int i = 0; i < k; i++)
3209	>	fs[i] = new CompletableFuture<>();
3210	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3211	>	checkIncomplete(f);
3212	>	for (int i = k - 1; i >= 0; i--) {
3213	>	fs[i].complete(i);
3214	>	checkCompletedNormally(f, k - 1);
3215	>	int x = (int) CompletableFuture.anyOf(fs).join();
3216	>	assertTrue(i <= x && x <= k - 1);
3217	>	}
3218	>	}
3219		}
3220
3221		/**
3222	<	* thenAcceptAsync result completes exceptionally if action does
3222	>	* anyOf result completes exceptionally when any component does.
3223		*/
3224	<	public void testThenAcceptAsync3() {
3225	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3226	<	FailingConsumer r = new FailingConsumer();
3227	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3228	<	f.complete(null);
3229	<	checkCompletedWithWrappedCFException(g);
3224	>	public void testAnyOf_exceptional() throws Exception {
3225	>	for (int k = 0; k < 10; k++) {
3226	>	CompletableFuture[] fs = new CompletableFuture[k];
3227	>	CFException[] exs = new CFException[k];
3228	>	for (int i = 0; i < k; i++) {
3229	>	fs[i] = new CompletableFuture<>();
3230	>	exs[i] = new CFException();
3231	>	}
3232	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3233	>	checkIncomplete(f);
3234	>	for (int i = 0; i < k; i++) {
3235	>	fs[i].completeExceptionally(exs[i]);
3236	>	checkCompletedWithWrappedException(f, exs[0]);
3237	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3238	>	}
3239	>	}
3240		}
3241
3242	<	/**
3243	<	* thenAcceptAsync result completes exceptionally if source cancelled
3244	<	*/
3245	<	public void testThenAcceptAsync4() {
3246	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3247	<	IncAction r = new IncAction();
3248	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3249	<	assertTrue(f.cancel(true));
3250	<	checkCompletedWithWrappedCancellationException(g);
3242	>	public void testAnyOf_exceptional_backwards() throws Exception {
3243	>	for (int k = 0; k < 10; k++) {
3244	>	CompletableFuture[] fs = new CompletableFuture[k];
3245	>	CFException[] exs = new CFException[k];
3246	>	for (int i = 0; i < k; i++) {
3247	>	fs[i] = new CompletableFuture<>();
3248	>	exs[i] = new CFException();
3249	>	}
3250	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3251	>	checkIncomplete(f);
3252	>	for (int i = k - 1; i >= 0; i--) {
3253	>	fs[i].completeExceptionally(exs[i]);
3254	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3255	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3256	>	}
3257	>	}
3258		}
3259
3260		/**
3261	<	* thenCombineAsync result completes normally after normal
1936	<	* completion of sources
3261	>	* Completion methods throw NullPointerException with null arguments
3262		*/
3263	<	public void testThenCombineAsync() {
3264	<	CompletableFuture<Integer> f, g, h;
3263	>	@SuppressWarnings("FutureReturnValueIgnored")
3264	>	public void testNPE() {
3265	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3266	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3267	>	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3268	>	ThreadExecutor exec = new ThreadExecutor();
3269
3270	<	f = new CompletableFuture<>();
3271	<	g = new CompletableFuture<>();
3272	<	h = f.thenCombineAsync(g, subtract);
3273	<	f.complete(3);
1945	<	checkIncomplete(h);
1946	<	g.complete(1);
1947	<	checkCompletedNormally(h, 2);
3270	>	Runnable[] throwingActions = {
3271	>	() -> CompletableFuture.supplyAsync(null),
3272	>	() -> CompletableFuture.supplyAsync(null, exec),
3273	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3274
3275	<	f = new CompletableFuture<>();
3276	<	g = new CompletableFuture<>();
3277	<	h = f.thenCombineAsync(g, subtract);
1952	<	g.complete(1);
1953	<	checkIncomplete(h);
1954	<	f.complete(3);
1955	<	checkCompletedNormally(h, 2);
3275	>	() -> CompletableFuture.runAsync(null),
3276	>	() -> CompletableFuture.runAsync(null, exec),
3277	>	() -> CompletableFuture.runAsync(() -> {}, null),
3278
3279	<	f = new CompletableFuture<>();
1958	<	g = new CompletableFuture<>();
1959	<	g.complete(1);
1960	<	f.complete(3);
1961	<	h = f.thenCombineAsync(g, subtract);
1962	<	checkCompletedNormally(h, 2);
1963	<	}
3279	>	() -> f.completeExceptionally(null),
3280
3281	<	/**
3282	<	* thenCombineAsync result completes exceptionally after exceptional
3283	<	* completion of either source
3284	<	*/
1969	<	public void testThenCombineAsync2() {
1970	<	CompletableFuture<Integer> f, g, h;
3281	>	() -> f.thenApply(null),
3282	>	() -> f.thenApplyAsync(null),
3283	>	() -> f.thenApplyAsync(x -> x, null),
3284	>	() -> f.thenApplyAsync(null, exec),
3285
3286	<	f = new CompletableFuture<>();
3287	<	g = new CompletableFuture<>();
3288	<	h = f.thenCombineAsync(g, subtract);
3289	<	f.completeExceptionally(new CFException());
1976	<	checkIncomplete(h);
1977	<	g.complete(1);
1978	<	checkCompletedWithWrappedCFException(h);
3286	>	() -> f.thenAccept(null),
3287	>	() -> f.thenAcceptAsync(null),
3288	>	() -> f.thenAcceptAsync(x -> {} , null),
3289	>	() -> f.thenAcceptAsync(null, exec),
3290
3291	<	f = new CompletableFuture<>();
3292	<	g = new CompletableFuture<>();
3293	<	h = f.thenCombineAsync(g, subtract);
3294	<	g.completeExceptionally(new CFException());
1984	<	checkIncomplete(h);
1985	<	f.complete(3);
1986	<	checkCompletedWithWrappedCFException(h);
3291	>	() -> f.thenRun(null),
3292	>	() -> f.thenRunAsync(null),
3293	>	() -> f.thenRunAsync(() -> {} , null),
3294	>	() -> f.thenRunAsync(null, exec),
3295
3296	<	f = new CompletableFuture<>();
3297	<	g = new CompletableFuture<>();
3298	<	g.completeExceptionally(new CFException());
3299	<	f.complete(3);
3300	<	h = f.thenCombineAsync(g, subtract);
3301	<	checkCompletedWithWrappedCFException(h);
3302	<	}
3296	>	() -> f.thenCombine(g, null),
3297	>	() -> f.thenCombineAsync(g, null),
3298	>	() -> f.thenCombineAsync(g, null, exec),
3299	>	() -> f.thenCombine(nullFuture, (x, y) -> x),
3300	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3301	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3302	>	() -> f.thenCombineAsync(g, (x, y) -> x, null),
3303
3304	<	/**
3305	<	* thenCombineAsync result completes exceptionally if action does
3306	<	*/
3307	<	public void testThenCombineAsync3() {
3308	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3309	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3310	<	FailingBiFunction r = new FailingBiFunction();
2003	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
2004	<	f.complete(one);
2005	<	checkIncomplete(g);
2006	<	assertFalse(r.ran);
2007	<	f2.complete(two);
2008	<	checkCompletedWithWrappedCFException(g);
2009	<	assertTrue(r.ran);
2010	<	}
3304	>	() -> f.thenAcceptBoth(g, null),
3305	>	() -> f.thenAcceptBothAsync(g, null),
3306	>	() -> f.thenAcceptBothAsync(g, null, exec),
3307	>	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3308	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3309	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3310	>	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3311
3312	<	/**
3313	<	* thenCombineAsync result completes exceptionally if either source cancelled
3314	<	*/
3315	<	public void testThenCombineAsync4() {
3316	<	CompletableFuture<Integer> f, g, h;
3312	>	() -> f.runAfterBoth(g, null),
3313	>	() -> f.runAfterBothAsync(g, null),
3314	>	() -> f.runAfterBothAsync(g, null, exec),
3315	>	() -> f.runAfterBoth(nullFuture, () -> {}),
3316	>	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3317	>	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3318	>	() -> f.runAfterBothAsync(g, () -> {}, null),
3319
3320	<	f = new CompletableFuture<>();
3321	<	g = new CompletableFuture<>();
3322	<	h = f.thenCombineAsync(g, subtract);
3323	<	assertTrue(f.cancel(true));
3324	<	checkIncomplete(h);
3325	<	g.complete(1);
3326	<	checkCompletedWithWrappedCancellationException(h);
3320	>	() -> f.applyToEither(g, null),
3321	>	() -> f.applyToEitherAsync(g, null),
3322	>	() -> f.applyToEitherAsync(g, null, exec),
3323	>	() -> f.applyToEither(nullFuture, x -> x),
3324	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3325	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3326	>	() -> f.applyToEitherAsync(g, x -> x, null),
3327
3328	<	f = new CompletableFuture<>();
3329	<	g = new CompletableFuture<>();
3330	<	h = f.thenCombineAsync(g, subtract);
3331	<	assertTrue(g.cancel(true));
3332	<	checkIncomplete(h);
3333	<	f.complete(3);
3334	<	checkCompletedWithWrappedCancellationException(h);
3328	>	() -> f.acceptEither(g, null),
3329	>	() -> f.acceptEitherAsync(g, null),
3330	>	() -> f.acceptEitherAsync(g, null, exec),
3331	>	() -> f.acceptEither(nullFuture, x -> {}),
3332	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3333	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3334	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3335
3336	<	f = new CompletableFuture<>();
3337	<	g = new CompletableFuture<>();
3338	<	g.complete(3);
3339	<	assertTrue(f.cancel(true));
3340	<	h = f.thenCombineAsync(g, subtract);
3341	<	checkCompletedWithWrappedCancellationException(h);
3336	>	() -> f.runAfterEither(g, null),
3337	>	() -> f.runAfterEitherAsync(g, null),
3338	>	() -> f.runAfterEitherAsync(g, null, exec),
3339	>	() -> f.runAfterEither(nullFuture, () -> {}),
3340	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3341	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3342	>	() -> f.runAfterEitherAsync(g, () -> {}, null),
3343
3344	<	f = new CompletableFuture<>();
3345	<	g = new CompletableFuture<>();
3346	<	f.complete(3);
3347	<	assertTrue(g.cancel(true));
2045	<	h = f.thenCombineAsync(g, subtract);
2046	<	checkCompletedWithWrappedCancellationException(h);
2047	<	}
3344	>	() -> f.thenCompose(null),
3345	>	() -> f.thenComposeAsync(null),
3346	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3347	>	() -> f.thenComposeAsync(null, exec),
3348
3349	<	/**
2050	<	* applyToEitherAsync result completes normally after normal
2051	<	* completion of sources
2052	<	*/
2053	<	public void testApplyToEitherAsync() {
2054	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2055	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2056	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2057	<	f.complete(one);
2058	<	checkCompletedNormally(g, two);
3349	>	() -> f.exceptionally(null),
3350
3351	<	f = new CompletableFuture<>();
2061	<	f.complete(one);
2062	<	f2 = new CompletableFuture<>();
2063	<	g = f.applyToEitherAsync(f2, inc);
2064	<	checkCompletedNormally(g, two);
2065	<	}
3351	>	() -> f.handle(null),
3352
3353	<	/**
3354	<	* applyToEitherAsync result completes exceptionally after exceptional
3355	<	* completion of source
3356	<	*/
2071	<	public void testApplyToEitherAsync2() {
2072	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2073	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2074	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2075	<	f.completeExceptionally(new CFException());
2076	<	checkCompletedWithWrappedCFException(g);
3353	>	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3354	>	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3355	>	() -> CompletableFuture.allOf(f, null),
3356	>	() -> CompletableFuture.allOf(null, f),
3357
3358	<	f = new CompletableFuture<>();
3359	<	f2 = new CompletableFuture<>();
3360	<	f2.completeExceptionally(new CFException());
3361	<	g = f.applyToEitherAsync(f2, inc);
2082	<	f.complete(one);
2083	<	checkCompletedWithWrappedCFException(g);
2084	<	}
3358	>	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3359	>	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3360	>	() -> CompletableFuture.anyOf(f, null),
3361	>	() -> CompletableFuture.anyOf(null, f),
3362
3363	<	/**
2087	<	* applyToEitherAsync result completes exceptionally if action does
2088	<	*/
2089	<	public void testApplyToEitherAsync3() {
2090	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2091	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2092	<	FailingFunction r = new FailingFunction();
2093	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
2094	<	f.complete(one);
2095	<	checkCompletedWithWrappedCFException(g);
2096	<	}
3363	>	() -> f.obtrudeException(null),
3364
3365	<	/**
3366	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3367	<	*/
2101	<	public void testApplyToEitherAsync4() {
2102	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2103	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2104	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2105	<	assertTrue(f.cancel(true));
2106	<	checkCompletedWithWrappedCancellationException(g);
3365	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3366	>	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3367	>	() -> CompletableFuture.delayedExecutor(1L, null),
3368
3369	<	f = new CompletableFuture<>();
3370	<	f2 = new CompletableFuture<>();
2110	<	assertTrue(f2.cancel(true));
2111	<	g = f.applyToEitherAsync(f2, inc);
2112	<	checkCompletedWithWrappedCancellationException(g);
2113	<	}
3369	>	() -> f.orTimeout(1L, null),
3370	>	() -> f.completeOnTimeout(42, 1L, null),
3371
3372	<	/**
3373	<	* acceptEitherAsync result completes normally after normal
3374	<	* completion of sources
2118	<	*/
2119	<	public void testAcceptEitherAsync() {
2120	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2121	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2122	<	IncAction r = new IncAction();
2123	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2124	<	f.complete(one);
2125	<	checkCompletedNormally(g, null);
2126	<	assertEquals(r.value, 2);
3372	>	() -> CompletableFuture.failedFuture(null),
3373	>	() -> CompletableFuture.failedStage(null),
3374	>	};
3375
3376	<	r = new IncAction();
3377	<	f = new CompletableFuture<>();
2130	<	f.complete(one);
2131	<	f2 = new CompletableFuture<>();
2132	<	g = f.acceptEitherAsync(f2, r);
2133	<	checkCompletedNormally(g, null);
2134	<	assertEquals(r.value, 2);
3376	>	assertThrows(NullPointerException.class, throwingActions);
3377	>	assertEquals(0, exec.count.get());
3378		}
3379
3380		/**
3381	<	* acceptEitherAsync result completes exceptionally after exceptional
2139	<	* completion of source
3381	>	* Test submissions to an executor that rejects all tasks.
3382		*/
3383	<	public void testAcceptEitherAsync2() {
3384	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3385	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3386	<	IncAction r = new IncAction();
3387	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
3388	<	f.completeExceptionally(new CFException());
3389	<	checkCompletedWithWrappedCFException(g);
3390	<
3391	<	r = new IncAction();
3392	<	f = new CompletableFuture<>();
3393	<	f2 = new CompletableFuture<>();
3394	<	f2.completeExceptionally(new CFException());
3395	<	g = f.acceptEitherAsync(f2, r);
3396	<	f.complete(one);
3397	<	checkCompletedWithWrappedCFException(g);
3398	<	}
3383	>	public void testRejectingExecutor() {
3384	>	for (Integer v : new Integer[] { 1, null })
3385	>	{
3386	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3387	>
3388	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3389	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3390	>
3391	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3392	>
3393	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3394	>	srcs.add(complete);
3395	>	srcs.add(incomplete);
3396	>
3397	>	for (CompletableFuture<Integer> src : srcs) {
3398	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3399	>	fs.add(src.thenRunAsync(() -> {}, e));
3400	>	fs.add(src.thenAcceptAsync(z -> {}, e));
3401	>	fs.add(src.thenApplyAsync(z -> z, e));
3402	>
3403	>	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3404	>	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3405	>	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3406	>
3407	>	fs.add(src.applyToEitherAsync(src, z -> z, e));
3408	>	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3409	>	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3410	>
3411	>	fs.add(src.thenComposeAsync(z -> null, e));
3412	>	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3413	>	fs.add(src.handleAsync((z, t) -> null, e));
3414	>
3415	>	for (CompletableFuture<?> future : fs) {
3416	>	if (src.isDone())
3417	>	checkCompletedWithWrappedException(future, e.ex);
3418	>	else
3419	>	checkIncomplete(future);
3420	>	}
3421	>	futures.addAll(fs);
3422	>	}
3423
3424	<	/**
3425	<	* acceptEitherAsync result completes exceptionally if action does
2160	<	*/
2161	<	public void testAcceptEitherAsync3() {
2162	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2163	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2164	<	FailingConsumer r = new FailingConsumer();
2165	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2166	<	f.complete(one);
2167	<	checkCompletedWithWrappedCFException(g);
2168	<	}
3424	>	{
3425	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3426
3427	<	/**
3428	<	* acceptEitherAsync result completes exceptionally if either
2172	<	* source cancelled
2173	<	*/
2174	<	public void testAcceptEitherAsync4() {
2175	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2176	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2177	<	IncAction r = new IncAction();
2178	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2179	<	assertTrue(f.cancel(true));
2180	<	checkCompletedWithWrappedCancellationException(g);
3427	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3428	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3429
3430	<	r = new IncAction();
3431	<	f = new CompletableFuture<>();
2184	<	f2 = new CompletableFuture<>();
2185	<	assertTrue(f2.cancel(true));
2186	<	g = f.acceptEitherAsync(f2, r);
2187	<	checkCompletedWithWrappedCancellationException(g);
2188	<	}
3430	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3431	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3432
3433	<	/**
3434	<	* runAfterEitherAsync result completes normally after normal
2192	<	* completion of sources
2193	<	*/
2194	<	public void testRunAfterEitherAsync() {
2195	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2196	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2197	<	Noop r = new Noop();
2198	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2199	<	f.complete(one);
2200	<	checkCompletedNormally(g, null);
2201	<	assertTrue(r.ran);
3433	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3434	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3435
3436	<	r = new Noop();
3437	<	f = new CompletableFuture<>();
3438	<	f.complete(one);
3439	<	f2 = new CompletableFuture<>();
2207	<	g = f.runAfterEitherAsync(f2, r);
2208	<	checkCompletedNormally(g, null);
2209	<	assertTrue(r.ran);
2210	<	}
3436	>	for (CompletableFuture<?> future : fs)
3437	>	checkIncomplete(future);
3438	>	futures.addAll(fs);
3439	>	}
3440
3441	<	/**
3442	<	* runAfterEitherAsync result completes exceptionally after exceptional
2214	<	* completion of source
2215	<	*/
2216	<	public void testRunAfterEitherAsync2() {
2217	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2218	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2219	<	Noop r = new Noop();
2220	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2221	<	f.completeExceptionally(new CFException());
2222	<	checkCompletedWithWrappedCFException(g);
3441	>	{
3442	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3443
3444	<	r = new Noop();
3445	<	f = new CompletableFuture<>();
2226	<	f2 = new CompletableFuture<>();
2227	<	f2.completeExceptionally(new CFException());
2228	<	g = f.runAfterEitherAsync(f2, r);
2229	<	f.complete(one);
2230	<	checkCompletedWithWrappedCFException(g);
2231	<	}
3444	>	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3445	>	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3446
3447	<	/**
3448	<	* runAfterEitherAsync result completes exceptionally if action does
2235	<	*/
2236	<	public void testRunAfterEitherAsync3() {
2237	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2238	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2239	<	FailingNoop r = new FailingNoop();
2240	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2241	<	f.complete(one);
2242	<	checkCompletedWithWrappedCFException(g);
2243	<	}
3447	>	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3448	>	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3449
3450	<	/**
3451	<	* runAfterEitherAsync result completes exceptionally if either
2247	<	* source cancelled
2248	<	*/
2249	<	public void testRunAfterEitherAsync4() {
2250	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2251	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2252	<	Noop r = new Noop();
2253	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2254	<	assertTrue(f.cancel(true));
2255	<	checkCompletedWithWrappedCancellationException(g);
3450	>	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3451	>	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3452
3453	<	r = new Noop();
3454	<	f = new CompletableFuture<>();
3455	<	f2 = new CompletableFuture<>();
3456	<	assertTrue(f2.cancel(true));
2261	<	g = f.runAfterEitherAsync(f2, r);
2262	<	checkCompletedWithWrappedCancellationException(g);
2263	<	}
3453	>	for (CompletableFuture<?> future : fs)
3454	>	checkCompletedWithWrappedException(future, e.ex);
3455	>	futures.addAll(fs);
3456	>	}
3457
3458	<	/**
2266	<	* thenComposeAsync result completes normally after normal
2267	<	* completion of source
2268	<	*/
2269	<	public void testThenComposeAsync() {
2270	<	CompletableFuture<Integer> f, g;
2271	<	CompletableFutureInc r;
3458	>	incomplete.complete(v);
3459
3460	<	f = new CompletableFuture<>();
3461	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2275	<	f.complete(one);
2276	<	checkCompletedNormally(g, two);
3460	>	for (CompletableFuture<?> future : futures)
3461	>	checkCompletedWithWrappedException(future, e.ex);
3462
3463	<	f = new CompletableFuture<>();
3464	<	f.complete(one);
2280	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2281	<	checkCompletedNormally(g, two);
2282	<	}
3463	>	assertEquals(futures.size(), e.count.get());
3464	>	}}
3465
3466		/**
3467	<	* thenComposeAsync result completes exceptionally after
3468	<	* exceptional completion of source
3467	>	* Test submissions to an executor that rejects all tasks, but
3468	>	* should never be invoked because the dependent future is
3469	>	* explicitly completed.
3470		*/
3471	<	public void testThenComposeAsync2() {
3472	<	CompletableFuture<Integer> f, g;
3473	<	CompletableFutureInc r;
3471	>	public void testRejectingExecutorNeverInvoked() {
3472	>	for (Integer v : new Integer[] { 1, null })
3473	>	{
3474	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3475
3476	<	f = new CompletableFuture<>();
3477	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2294	<	f.completeExceptionally(new CFException());
2295	<	checkCompletedWithWrappedCFException(g);
2296	<	assertFalse(r.ran);
2297	<
2298	<	f = new CompletableFuture<>();
2299	<	f.completeExceptionally(new CFException());
2300	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2301	<	checkCompletedWithWrappedCFException(g);
2302	<	assertFalse(r.ran);
2303	<	}
2304	<
2305	<	/**
2306	<	* thenComposeAsync result completes exceptionally if action does
2307	<	*/
2308	<	public void testThenComposeAsync3() {
2309	<	CompletableFuture<Integer> f, g;
2310	<	FailingCompletableFutureFunction r;
3476	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3477	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3478
3479	<	f = new CompletableFuture<>();
2313	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2314	<	f.complete(one);
2315	<	checkCompletedWithWrappedCFException(g);
3479	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3480
3481	<	f = new CompletableFuture<>();
3482	<	f.complete(one);
3483	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2320	<	checkCompletedWithWrappedCFException(g);
2321	<	}
3481	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3482	>	srcs.add(complete);
3483	>	srcs.add(incomplete);
3484
3485	<	/**
3486	<	* thenComposeAsync result completes exceptionally if source cancelled
3487	<	*/
3488	<	public void testThenComposeAsync4() {
2327	<	CompletableFuture<Integer> f, g;
2328	<	CompletableFutureInc r;
3485	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3486	>	fs.add(incomplete.thenRunAsync(() -> {}, e));
3487	>	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3488	>	fs.add(incomplete.thenApplyAsync(z -> z, e));
3489
3490	<	f = new CompletableFuture<>();
3491	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3492	<	assertTrue(f.cancel(true));
2333	<	checkCompletedWithWrappedCancellationException(g);
3490	>	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3491	>	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3492	>	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3493
3494	<	f = new CompletableFuture<>();
3495	<	assertTrue(f.cancel(true));
3496	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2338	<	checkCompletedWithWrappedCancellationException(g);
2339	<	}
3494	>	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3495	>	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3496	>	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3497
3498	<	// async with explicit executors
3498	>	fs.add(incomplete.thenComposeAsync(z -> null, e));
3499	>	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3500	>	fs.add(incomplete.handleAsync((z, t) -> null, e));
3501
3502	<	/**
3503	<	* thenRunAsync result completes normally after normal completion of source
2345	<	*/
2346	<	public void testThenRunAsyncE() {
2347	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2348	<	Noop r = new Noop();
2349	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2350	<	f.complete(null);
2351	<	checkCompletedNormally(g, null);
3502	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3503	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3504
3505	<	// reordered version
3506	<	f = new CompletableFuture<>();
2355	<	f.complete(null);
2356	<	r = new Noop();
2357	<	g = f.thenRunAsync(r, new ThreadExecutor());
2358	<	checkCompletedNormally(g, null);
2359	<	}
3505	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3506	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3507
3508	<	/**
3509	<	* thenRunAsync result completes exceptionally after exceptional
2363	<	* completion of source
2364	<	*/
2365	<	public void testThenRunAsync2E() {
2366	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2367	<	Noop r = new Noop();
2368	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2369	<	f.completeExceptionally(new CFException());
2370	<	try {
2371	<	g.join();
2372	<	shouldThrow();
2373	<	} catch (CompletionException success) {}
2374	<	checkCompletedWithWrappedCFException(g);
2375	<	}
3508	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3509	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3510
3511	<	/**
3512	<	* thenRunAsync result completes exceptionally if action does
2379	<	*/
2380	<	public void testThenRunAsync3E() {
2381	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2382	<	FailingNoop r = new FailingNoop();
2383	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2384	<	f.complete(null);
2385	<	checkCompletedWithWrappedCFException(g);
2386	<	}
3511	>	for (CompletableFuture<?> future : fs)
3512	>	checkIncomplete(future);
3513
3514	<	/**
3515	<	* thenRunAsync result completes exceptionally if source cancelled
2390	<	*/
2391	<	public void testThenRunAsync4E() {
2392	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2393	<	Noop r = new Noop();
2394	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2395	<	assertTrue(f.cancel(true));
2396	<	checkCompletedWithWrappedCancellationException(g);
2397	<	}
3514	>	for (CompletableFuture<?> future : fs)
3515	>	future.complete(null);
3516
3517	<	/**
2400	<	* thenApplyAsync result completes normally after normal completion of source
2401	<	*/
2402	<	public void testThenApplyAsyncE() {
2403	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2404	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2405	<	f.complete(one);
2406	<	checkCompletedNormally(g, two);
2407	<	}
3517	>	incomplete.complete(v);
3518
3519	<	/**
3520	<	* thenApplyAsync result completes exceptionally after exceptional
2411	<	* completion of source
2412	<	*/
2413	<	public void testThenApplyAsync2E() {
2414	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2415	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2416	<	f.completeExceptionally(new CFException());
2417	<	checkCompletedWithWrappedCFException(g);
2418	<	}
3519	>	for (CompletableFuture<?> future : fs)
3520	>	checkCompletedNormally(future, null);
3521
3522	<	/**
3523	<	* thenApplyAsync result completes exceptionally if action does
2422	<	*/
2423	<	public void testThenApplyAsync3E() {
2424	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2425	<	FailingFunction r = new FailingFunction();
2426	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2427	<	f.complete(null);
2428	<	checkCompletedWithWrappedCFException(g);
2429	<	}
3522	>	assertEquals(0, e.count.get());
3523	>	}}
3524
3525		/**
3526	<	* thenApplyAsync result completes exceptionally if source cancelled
3526	>	* toCompletableFuture returns this CompletableFuture.
3527		*/
3528	<	public void testThenApplyAsync4E() {
3528	>	public void testToCompletableFuture() {
3529		CompletableFuture<Integer> f = new CompletableFuture<>();
3530	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2437	<	assertTrue(f.cancel(true));
2438	<	checkCompletedWithWrappedCancellationException(g);
3530	>	assertSame(f, f.toCompletableFuture());
3531		}
3532
3533	<	/**
2442	<	* thenAcceptAsync result completes normally after normal
2443	<	* completion of source
2444	<	*/
2445	<	public void testThenAcceptAsyncE() {
2446	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2447	<	IncAction r = new IncAction();
2448	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2449	<	f.complete(one);
2450	<	checkCompletedNormally(g, null);
2451	<	assertEquals(r.value, 2);
2452	<	}
3533	>	// jdk9
3534
3535		/**
3536	<	* thenAcceptAsync result completes exceptionally after exceptional
2456	<	* completion of source
3536	>	* newIncompleteFuture returns an incomplete CompletableFuture
3537		*/
3538	<	public void testThenAcceptAsync2E() {
3538	>	public void testNewIncompleteFuture() {
3539	>	for (Integer v1 : new Integer[] { 1, null })
3540	>	{
3541		CompletableFuture<Integer> f = new CompletableFuture<>();
3542	<	IncAction r = new IncAction();
3543	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3544	<	f.completeExceptionally(new CFException());
3545	<	checkCompletedWithWrappedCFException(g);
3546	<	}
3542	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3543	>	checkIncomplete(f);
3544	>	checkIncomplete(g);
3545	>	f.complete(v1);
3546	>	checkCompletedNormally(f, v1);
3547	>	checkIncomplete(g);
3548	>	g.complete(v1);
3549	>	checkCompletedNormally(g, v1);
3550	>	assertSame(g.getClass(), CompletableFuture.class);
3551	>	}}
3552
3553		/**
3554	<	* thenAcceptAsync result completes exceptionally if action does
3554	>	* completedStage returns a completed CompletionStage
3555		*/
3556	<	public void testThenAcceptAsync3E() {
3557	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3558	<	FailingConsumer r = new FailingConsumer();
3559	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3560	<	f.complete(null);
3561	<	checkCompletedWithWrappedCFException(g);
3556	>	public void testCompletedStage() {
3557	>	AtomicInteger x = new AtomicInteger(0);
3558	>	AtomicReference<Throwable> r = new AtomicReference<>();
3559	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3560	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3561	>	assertEquals(x.get(), 1);
3562	>	assertNull(r.get());
3563		}
3564
3565		/**
3566	<	* thenAcceptAsync result completes exceptionally if source cancelled
3566	>	* defaultExecutor by default returns the commonPool if
3567	>	* it supports more than one thread.
3568		*/
3569	<	public void testThenAcceptAsync4E() {
3569	>	public void testDefaultExecutor() {
3570		CompletableFuture<Integer> f = new CompletableFuture<>();
3571	<	IncAction r = new IncAction();
3572	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3573	<	assertTrue(f.cancel(true));
3574	<	checkCompletedWithWrappedCancellationException(g);
3571	>	Executor e = f.defaultExecutor();
3572	>	Executor c = ForkJoinPool.commonPool();
3573	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3574	>	assertSame(e, c);
3575	>	else
3576	>	assertNotSame(e, c);
3577		}
3578
3579		/**
3580	<	* thenCombineAsync result completes normally after normal
3581	<	* completion of sources
3580	>	* failedFuture returns a CompletableFuture completed
3581	>	* exceptionally with the given Exception
3582		*/
3583	<	public void testThenCombineAsyncE() {
3584	<	CompletableFuture<Integer> f, g, h;
3585	<	ThreadExecutor e = new ThreadExecutor();
3586	<	int count = 0;
2496	<
2497	<	f = new CompletableFuture<>();
2498	<	g = new CompletableFuture<>();
2499	<	h = f.thenCombineAsync(g, subtract, e);
2500	<	f.complete(3);
2501	<	checkIncomplete(h);
2502	<	g.complete(1);
2503	<	checkCompletedNormally(h, 2);
2504	<	assertEquals(++count, e.count.get());
2505	<
2506	<	f = new CompletableFuture<>();
2507	<	g = new CompletableFuture<>();
2508	<	h = f.thenCombineAsync(g, subtract, e);
2509	<	g.complete(1);
2510	<	checkIncomplete(h);
2511	<	f.complete(3);
2512	<	checkCompletedNormally(h, 2);
2513	<	assertEquals(++count, e.count.get());
2514	<
2515	<	f = new CompletableFuture<>();
2516	<	g = new CompletableFuture<>();
2517	<	g.complete(1);
2518	<	f.complete(3);
2519	<	h = f.thenCombineAsync(g, subtract, e);
2520	<	checkCompletedNormally(h, 2);
2521	<	assertEquals(++count, e.count.get());
3583	>	public void testFailedFuture() {
3584	>	CFException ex = new CFException();
3585	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3586	>	checkCompletedExceptionally(f, ex);
3587		}
3588
3589		/**
3590	<	* thenCombineAsync result completes exceptionally after exceptional
2526	<	* completion of either source
3590	>	* failedFuture(null) throws NPE
3591		*/
3592	<	public void testThenCombineAsync2E() {
3593	<	CompletableFuture<Integer> f, g, h;
3594	<	ThreadExecutor e = new ThreadExecutor();
3595	<	int count = 0;
3596	<
2533	<	f = new CompletableFuture<>();
2534	<	g = new CompletableFuture<>();
2535	<	h = f.thenCombineAsync(g, subtract, e);
2536	<	f.completeExceptionally(new CFException());
2537	<	checkIncomplete(h);
2538	<	g.complete(1);
2539	<	checkCompletedWithWrappedCFException(h);
2540	<
2541	<	f = new CompletableFuture<>();
2542	<	g = new CompletableFuture<>();
2543	<	h = f.thenCombineAsync(g, subtract, e);
2544	<	g.completeExceptionally(new CFException());
2545	<	checkIncomplete(h);
2546	<	f.complete(3);
2547	<	checkCompletedWithWrappedCFException(h);
2548	<
2549	<	f = new CompletableFuture<>();
2550	<	g = new CompletableFuture<>();
2551	<	g.completeExceptionally(new CFException());
2552	<	h = f.thenCombineAsync(g, subtract, e);
2553	<	checkIncomplete(h);
2554	<	f.complete(3);
2555	<	checkCompletedWithWrappedCFException(h);
2556	<
2557	<	assertEquals(0, e.count.get());
3592	>	public void testFailedFuture_null() {
3593	>	try {
3594	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3595	>	shouldThrow();
3596	>	} catch (NullPointerException success) {}
3597		}
3598
3599		/**
3600	<	* thenCombineAsync result completes exceptionally if action does
3600	>	* copy returns a CompletableFuture that is completed normally,
3601	>	* with the same value, when source is.
3602		*/
3603	<	public void testThenCombineAsync3E() {
3603	>	public void testCopy_normalCompletion() {
3604	>	for (boolean createIncomplete : new boolean[] { true, false })
3605	>	for (Integer v1 : new Integer[] { 1, null })
3606	>	{
3607		CompletableFuture<Integer> f = new CompletableFuture<>();
3608	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3609	<	FailingBiFunction r = new FailingBiFunction();
3610	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
3611	<	f.complete(one);
3612	<	checkIncomplete(g);
3613	<	assertFalse(r.ran);
3614	<	f2.complete(two);
3615	<	checkCompletedWithWrappedCFException(g);
3616	<	assertTrue(r.ran);
3617	<	}
2575	<
2576	<	/**
2577	<	* thenCombineAsync result completes exceptionally if either source cancelled
2578	<	*/
2579	<	public void testThenCombineAsync4E() {
2580	<	CompletableFuture<Integer> f, g, h;
2581	<	ThreadExecutor e = new ThreadExecutor();
2582	<
2583	<	f = new CompletableFuture<>();
2584	<	g = new CompletableFuture<>();
2585	<	h = f.thenCombineAsync(g, subtract, e);
2586	<	assertTrue(f.cancel(true));
2587	<	checkIncomplete(h);
2588	<	g.complete(1);
2589	<	checkCompletedWithWrappedCancellationException(h);
2590	<
2591	<	f = new CompletableFuture<>();
2592	<	g = new CompletableFuture<>();
2593	<	h = f.thenCombineAsync(g, subtract, e);
2594	<	assertTrue(g.cancel(true));
2595	<	checkIncomplete(h);
2596	<	f.complete(3);
2597	<	checkCompletedWithWrappedCancellationException(h);
2598	<
2599	<	f = new CompletableFuture<>();
2600	<	g = new CompletableFuture<>();
2601	<	assertTrue(g.cancel(true));
2602	<	h = f.thenCombineAsync(g, subtract, e);
2603	<	checkIncomplete(h);
2604	<	f.complete(3);
2605	<	checkCompletedWithWrappedCancellationException(h);
2606	<
2607	<	f = new CompletableFuture<>();
2608	<	g = new CompletableFuture<>();
2609	<	assertTrue(f.cancel(true));
2610	<	assertTrue(g.cancel(true));
2611	<	h = f.thenCombineAsync(g, subtract, e);
2612	<	checkCompletedWithWrappedCancellationException(h);
2613	<
2614	<	assertEquals(0, e.count.get());
2615	<	}
3608	>	if (!createIncomplete) assertTrue(f.complete(v1));
3609	>	CompletableFuture<Integer> g = f.copy();
3610	>	if (createIncomplete) {
3611	>	checkIncomplete(f);
3612	>	checkIncomplete(g);
3613	>	assertTrue(f.complete(v1));
3614	>	}
3615	>	checkCompletedNormally(f, v1);
3616	>	checkCompletedNormally(g, v1);
3617	>	}}
3618
3619		/**
3620	<	* applyToEitherAsync result completes normally after normal
3621	<	* completion of sources
3620	>	* copy returns a CompletableFuture that is completed exceptionally
3621	>	* when source is.
3622		*/
3623	<	public void testApplyToEitherAsyncE() {
3623	>	public void testCopy_exceptionalCompletion() {
3624	>	for (boolean createIncomplete : new boolean[] { true, false })
3625	>	{
3626	>	CFException ex = new CFException();
3627		CompletableFuture<Integer> f = new CompletableFuture<>();
3628	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3629	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3630	<	f.complete(one);
3631	<	checkCompletedNormally(g, two);
3632	<
3633	<	f = new CompletableFuture<>();
3634	<	f.complete(one);
3635	<	f2 = new CompletableFuture<>();
3636	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3637	<	checkCompletedNormally(g, two);
2633	<	}
3628	>	if (!createIncomplete) f.completeExceptionally(ex);
3629	>	CompletableFuture<Integer> g = f.copy();
3630	>	if (createIncomplete) {
3631	>	checkIncomplete(f);
3632	>	checkIncomplete(g);
3633	>	f.completeExceptionally(ex);
3634	>	}
3635	>	checkCompletedExceptionally(f, ex);
3636	>	checkCompletedWithWrappedException(g, ex);
3637	>	}}
3638
3639		/**
3640	<	* applyToEitherAsync result completes exceptionally after exceptional
2637	<	* completion of source
3640	>	* Completion of a copy does not complete its source.
3641		*/
3642	<	public void testApplyToEitherAsync2E() {
3642	>	public void testCopy_oneWayPropagation() {
3643		CompletableFuture<Integer> f = new CompletableFuture<>();
3644	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3645	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3646	<	f.completeExceptionally(new CFException());
3647	<	checkCompletedWithWrappedCFException(g);
3648	<
3649	<	f = new CompletableFuture<>();
2647	<	f2 = new CompletableFuture<>();
2648	<	f2.completeExceptionally(new CFException());
2649	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2650	<	f.complete(one);
2651	<	checkCompletedWithWrappedCFException(g);
3644	>	assertTrue(f.copy().complete(1));
3645	>	assertTrue(f.copy().complete(null));
3646	>	assertTrue(f.copy().cancel(true));
3647	>	assertTrue(f.copy().cancel(false));
3648	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3649	>	checkIncomplete(f);
3650		}
3651
3652		/**
3653	<	* applyToEitherAsync result completes exceptionally if action does
3653	>	* minimalCompletionStage returns a CompletableFuture that is
3654	>	* completed normally, with the same value, when source is.
3655		*/
3656	<	public void testApplyToEitherAsync3E() {
3656	>	public void testMinimalCompletionStage() {
3657		CompletableFuture<Integer> f = new CompletableFuture<>();
3658	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3659	<	FailingFunction r = new FailingFunction();
3660	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
3661	<	f.complete(one);
3662	<	checkCompletedWithWrappedCFException(g);
3658	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3659	>	AtomicInteger x = new AtomicInteger(0);
3660	>	AtomicReference<Throwable> r = new AtomicReference<>();
3661	>	checkIncomplete(f);
3662	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3663	>	f.complete(1);
3664	>	checkCompletedNormally(f, 1);
3665	>	assertEquals(x.get(), 1);
3666	>	assertNull(r.get());
3667		}
3668
3669		/**
3670	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3670	>	* minimalCompletionStage returns a CompletableFuture that is
3671	>	* completed exceptionally when source is.
3672		*/
3673	<	public void testApplyToEitherAsync4E() {
3673	>	public void testMinimalCompletionStage2() {
3674		CompletableFuture<Integer> f = new CompletableFuture<>();
3675	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3676	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3677	<	assertTrue(f.cancel(true));
3678	<	checkCompletedWithWrappedCancellationException(g);
3679	<
3680	<	f = new CompletableFuture<>();
3681	<	f2 = new CompletableFuture<>();
3682	<	assertTrue(f2.cancel(true));
3683	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3684	<	checkCompletedWithWrappedCancellationException(g);
3675	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3676	>	AtomicInteger x = new AtomicInteger(0);
3677	>	AtomicReference<Throwable> r = new AtomicReference<>();
3678	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3679	>	checkIncomplete(f);
3680	>	CFException ex = new CFException();
3681	>	f.completeExceptionally(ex);
3682	>	checkCompletedExceptionally(f, ex);
3683	>	assertEquals(x.get(), 0);
3684	>	assertEquals(r.get().getCause(), ex);
3685		}
3686
3687		/**
3688	<	* acceptEitherAsync result completes normally after normal
3689	<	* completion of sources
3688	>	* failedStage returns a CompletionStage completed
3689	>	* exceptionally with the given Exception
3690		*/
3691	<	public void testAcceptEitherAsyncE() {
3692	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3693	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3694	<	IncAction r = new IncAction();
3695	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3696	<	f.complete(one);
3697	<	checkCompletedNormally(g, null);
3698	<	assertEquals(r.value, 2);
2695	<
2696	<	r = new IncAction();
2697	<	f = new CompletableFuture<>();
2698	<	f.complete(one);
2699	<	f2 = new CompletableFuture<>();
2700	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2701	<	checkCompletedNormally(g, null);
2702	<	assertEquals(r.value, 2);
3691	>	public void testFailedStage() {
3692	>	CFException ex = new CFException();
3693	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3694	>	AtomicInteger x = new AtomicInteger(0);
3695	>	AtomicReference<Throwable> r = new AtomicReference<>();
3696	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3697	>	assertEquals(x.get(), 0);
3698	>	assertEquals(r.get(), ex);
3699		}
3700
3701		/**
3702	<	* acceptEitherAsync result completes exceptionally after exceptional
2707	<	* completion of source
3702	>	* completeAsync completes with value of given supplier
3703		*/
3704	<	public void testAcceptEitherAsync2E() {
3704	>	public void testCompleteAsync() {
3705	>	for (Integer v1 : new Integer[] { 1, null })
3706	>	{
3707		CompletableFuture<Integer> f = new CompletableFuture<>();
3708	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3709	<	IncAction r = new IncAction();
3710	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3711	<	f.completeExceptionally(new CFException());
2715	<	checkCompletedWithWrappedCFException(g);
2716	<
2717	<	r = new IncAction();
2718	<	f = new CompletableFuture<>();
2719	<	f2 = new CompletableFuture<>();
2720	<	f2.completeExceptionally(new CFException());
2721	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2722	<	f.complete(one);
2723	<	checkCompletedWithWrappedCFException(g);
2724	<	}
3708	>	f.completeAsync(() -> v1);
3709	>	f.join();
3710	>	checkCompletedNormally(f, v1);
3711	>	}}
3712
3713		/**
3714	<	* acceptEitherAsync result completes exceptionally if action does
3714	>	* completeAsync completes exceptionally if given supplier throws
3715		*/
3716	<	public void testAcceptEitherAsync3E() {
3716	>	public void testCompleteAsync2() {
3717		CompletableFuture<Integer> f = new CompletableFuture<>();
3718	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3719	<	FailingConsumer r = new FailingConsumer();
3720	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3721	<	f.complete(one);
3722	<	checkCompletedWithWrappedCFException(g);
3718	>	CFException ex = new CFException();
3719	>	f.completeAsync(() -> { throw ex; });
3720	>	try {
3721	>	f.join();
3722	>	shouldThrow();
3723	>	} catch (CompletionException success) {}
3724	>	checkCompletedWithWrappedException(f, ex);
3725		}
3726
3727		/**
3728	<	* acceptEitherAsync result completes exceptionally if either
2740	<	* source cancelled
3728	>	* completeAsync with given executor completes with value of given supplier
3729		*/
3730	<	public void testAcceptEitherAsync4E() {
3730	>	public void testCompleteAsync3() {
3731	>	for (Integer v1 : new Integer[] { 1, null })
3732	>	{
3733		CompletableFuture<Integer> f = new CompletableFuture<>();
3734	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3735	<	IncAction r = new IncAction();
3736	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3737	<	assertTrue(f.cancel(true));
3738	<	checkCompletedWithWrappedCancellationException(g);
3739	<
2750	<	r = new IncAction();
2751	<	f = new CompletableFuture<>();
2752	<	f2 = new CompletableFuture<>();
2753	<	assertTrue(f2.cancel(true));
2754	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2755	<	checkCompletedWithWrappedCancellationException(g);
2756	<	}
3734	>	ThreadExecutor executor = new ThreadExecutor();
3735	>	f.completeAsync(() -> v1, executor);
3736	>	assertSame(v1, f.join());
3737	>	checkCompletedNormally(f, v1);
3738	>	assertEquals(1, executor.count.get());
3739	>	}}
3740
3741		/**
3742	<	* runAfterEitherAsync result completes normally after normal
3743	<	* completion of sources
3742	>	* completeAsync with given executor completes exceptionally if
3743	>	* given supplier throws
3744		*/
3745	<	public void testRunAfterEitherAsyncE() {
3745	>	public void testCompleteAsync4() {
3746		CompletableFuture<Integer> f = new CompletableFuture<>();
3747	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3748	<	Noop r = new Noop();
3749	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3750	<	f.complete(one);
3751	<	checkCompletedNormally(g, null);
3752	<	assertTrue(r.ran);
3753	<
3754	<	r = new Noop();
3755	<	f = new CompletableFuture<>();
2773	<	f.complete(one);
2774	<	f2 = new CompletableFuture<>();
2775	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2776	<	checkCompletedNormally(g, null);
2777	<	assertTrue(r.ran);
3747	>	CFException ex = new CFException();
3748	>	ThreadExecutor executor = new ThreadExecutor();
3749	>	f.completeAsync(() -> { throw ex; }, executor);
3750	>	try {
3751	>	f.join();
3752	>	shouldThrow();
3753	>	} catch (CompletionException success) {}
3754	>	checkCompletedWithWrappedException(f, ex);
3755	>	assertEquals(1, executor.count.get());
3756		}
3757
3758		/**
3759	<	* runAfterEitherAsync result completes exceptionally after exceptional
2782	<	* completion of source
3759	>	* orTimeout completes with TimeoutException if not complete
3760		*/
3761	<	public void testRunAfterEitherAsync2E() {
3761	>	public void testOrTimeout_timesOut() {
3762	>	long timeoutMillis = timeoutMillis();
3763		CompletableFuture<Integer> f = new CompletableFuture<>();
3764	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3765	<	Noop r = new Noop();
3766	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3767	<	f.completeExceptionally(new CFException());
2790	<	checkCompletedWithWrappedCFException(g);
2791	<
2792	<	r = new Noop();
2793	<	f = new CompletableFuture<>();
2794	<	f2 = new CompletableFuture<>();
2795	<	f2.completeExceptionally(new CFException());
2796	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2797	<	f.complete(one);
2798	<	checkCompletedWithWrappedCFException(g);
3764	>	long startTime = System.nanoTime();
3765	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3766	>	checkCompletedWithTimeoutException(f);
3767	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3768		}
3769
3770		/**
3771	<	* runAfterEitherAsync result completes exceptionally if action does
3771	>	* orTimeout completes normally if completed before timeout
3772		*/
3773	<	public void testRunAfterEitherAsync3E() {
3773	>	public void testOrTimeout_completed() {
3774	>	for (Integer v1 : new Integer[] { 1, null })
3775	>	{
3776		CompletableFuture<Integer> f = new CompletableFuture<>();
3777	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3778	<	FailingNoop r = new FailingNoop();
3779	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3780	<	f.complete(one);
3781	<	checkCompletedWithWrappedCFException(g);
3782	<	}
3777	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3778	>	long startTime = System.nanoTime();
3779	>	f.complete(v1);
3780	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3781	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3782	>	g.complete(v1);
3783	>	checkCompletedNormally(f, v1);
3784	>	checkCompletedNormally(g, v1);
3785	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3786	>	}}
3787
3788		/**
3789	<	* runAfterEitherAsync result completes exceptionally if either
2815	<	* source cancelled
3789	>	* completeOnTimeout completes with given value if not complete
3790		*/
3791	<	public void testRunAfterEitherAsync4E() {
3792	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3793	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2820	<	Noop r = new Noop();
2821	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2822	<	assertTrue(f.cancel(true));
2823	<	checkCompletedWithWrappedCancellationException(g);
2824	<
2825	<	r = new Noop();
2826	<	f = new CompletableFuture<>();
2827	<	f2 = new CompletableFuture<>();
2828	<	assertTrue(f2.cancel(true));
2829	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2830	<	checkCompletedWithWrappedCancellationException(g);
3791	>	public void testCompleteOnTimeout_timesOut() {
3792	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3793	>	() -> testCompleteOnTimeout_timesOut(null));
3794		}
3795
3796		/**
3797	<	* thenComposeAsync result completes normally after normal
2835	<	* completion of source
3797	>	* completeOnTimeout completes with given value if not complete
3798		*/
3799	<	public void testThenComposeAsyncE() {
3799	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3800	>	long timeoutMillis = timeoutMillis();
3801		CompletableFuture<Integer> f = new CompletableFuture<>();
3802	<	CompletableFutureInc r = new CompletableFutureInc();
3803	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3804	<	f.complete(one);
3805	<	checkCompletedNormally(g, two);
3802	>	long startTime = System.nanoTime();
3803	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3804	>	assertSame(v, f.join());
3805	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3806	>	f.complete(99);         // should have no effect
3807	>	checkCompletedNormally(f, v);
3808		}
3809
3810		/**
3811	<	* thenComposeAsync result completes exceptionally after
2847	<	* exceptional completion of source
3811	>	* completeOnTimeout has no effect if completed within timeout
3812		*/
3813	<	public void testThenComposeAsync2E() {
3813	>	public void testCompleteOnTimeout_completed() {
3814	>	for (Integer v1 : new Integer[] { 1, null })
3815	>	{
3816		CompletableFuture<Integer> f = new CompletableFuture<>();
3817	<	CompletableFutureInc r = new CompletableFutureInc();
3818	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3819	<	f.completeExceptionally(new CFException());
3820	<	checkCompletedWithWrappedCFException(g);
3821	<	}
3817	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3818	>	long startTime = System.nanoTime();
3819	>	f.complete(v1);
3820	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3821	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3822	>	g.complete(v1);
3823	>	checkCompletedNormally(f, v1);
3824	>	checkCompletedNormally(g, v1);
3825	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3826	>	}}
3827
3828		/**
3829	<	* thenComposeAsync result completes exceptionally if action does
3829	>	* delayedExecutor returns an executor that delays submission
3830		*/
3831	<	public void testThenComposeAsync3E() {
3832	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3833	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3834	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3835	<	f.complete(one);
3836	<	checkCompletedWithWrappedCFException(g);
3837	<	}
3831	>	public void testDelayedExecutor() {
3832	>	testInParallel(() -> testDelayedExecutor(null, null),
3833	>	() -> testDelayedExecutor(null, 1),
3834	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3835	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3836	>	}
3837	>
3838	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3839	>	long timeoutMillis = timeoutMillis();
3840	>	// Use an "unreasonably long" long timeout to catch lingering threads
3841	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3842	>	final Executor delayer, longDelayer;
3843	>	if (executor == null) {
3844	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3845	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3846	>	} else {
3847	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3848	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3849	>	}
3850	>	long startTime = System.nanoTime();
3851	>	CompletableFuture<Integer> f =
3852	>	CompletableFuture.supplyAsync(() -> v, delayer);
3853	>	CompletableFuture<Integer> g =
3854	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3855
3856	<	/**
2869	<	* thenComposeAsync result completes exceptionally if source cancelled
2870	<	*/
2871	<	public void testThenComposeAsync4E() {
2872	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2873	<	CompletableFutureInc r = new CompletableFutureInc();
2874	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2875	<	assertTrue(f.cancel(true));
2876	<	checkCompletedWithWrappedCancellationException(g);
2877	<	}
3856	>	assertNull(g.getNow(null));
3857
3858	<	// other static methods
3858	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3859	>	long millisElapsed = millisElapsedSince(startTime);
3860	>	assertTrue(millisElapsed >= timeoutMillis);
3861	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3862
3863	<	/**
2882	<	* allOf(no component futures) returns a future completed normally
2883	<	* with the value null
2884	<	*/
2885	<	public void testAllOf_empty() throws Exception {
2886	<	CompletableFuture<Void> f = CompletableFuture.allOf();
2887	<	checkCompletedNormally(f, null);
2888	<	}
3863	>	checkCompletedNormally(f, v);
3864
3865	<	/**
3866	<	* allOf returns a future completed normally with the value null
2892	<	* when all components complete normally
2893	<	*/
2894	<	public void testAllOf_normal() throws Exception {
2895	<	for (int k = 1; k < 20; ++k) {
2896	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
2897	<	for (int i = 0; i < k; ++i)
2898	<	fs[i] = new CompletableFuture<>();
2899	<	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
2900	<	for (int i = 0; i < k; ++i) {
2901	<	checkIncomplete(f);
2902	<	checkIncomplete(CompletableFuture.allOf(fs));
2903	<	fs[i].complete(one);
2904	<	}
2905	<	checkCompletedNormally(f, null);
2906	<	checkCompletedNormally(CompletableFuture.allOf(fs), null);
2907	<	}
3865	>	checkIncomplete(g);
3866	>	assertTrue(g.cancel(true));
3867		}
3868
3869	<	/**
2911	<	* anyOf(no component futures) returns an incomplete future
2912	<	*/
2913	<	public void testAnyOf_empty() throws Exception {
2914	<	CompletableFuture<Object> f = CompletableFuture.anyOf();
2915	<	checkIncomplete(f);
2916	<	}
3869	>	//--- tests of implementation details; not part of official tck ---
3870
3871	<	/**
3872	<	* anyOf returns a future completed normally with a value when
3873	<	* a component future does
3874	<	*/
3875	<	public void testAnyOf_normal() throws Exception {
3876	<	for (int k = 0; k < 10; ++k) {
3877	<	CompletableFuture[] fs = new CompletableFuture[k];
2925	<	for (int i = 0; i < k; ++i)
2926	<	fs[i] = new CompletableFuture<>();
2927	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
2928	<	checkIncomplete(f);
2929	<	for (int i = 0; i < k; ++i) {
2930	<	fs[i].complete(one);
2931	<	checkCompletedNormally(f, one);
2932	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3871	>	Object resultOf(CompletableFuture<?> f) {
3872	>	SecurityManager sm = System.getSecurityManager();
3873	>	if (sm != null) {
3874	>	try {
3875	>	System.setSecurityManager(null);
3876	>	} catch (SecurityException giveUp) {
3877	>	return "Reflection not available";
3878		}
3879		}
2935	–	}
3880
3881	<	/**
3882	<	* anyOf result completes exceptionally when any component does.
3883	<	*/
3884	<	public void testAnyOf_exceptional() throws Exception {
3885	<	for (int k = 0; k < 10; ++k) {
3886	<	CompletableFuture[] fs = new CompletableFuture[k];
3887	<	for (int i = 0; i < k; ++i)
3888	<	fs[i] = new CompletableFuture<>();
3889	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
2946	<	checkIncomplete(f);
2947	<	for (int i = 0; i < k; ++i) {
2948	<	fs[i].completeExceptionally(new CFException());
2949	<	checkCompletedWithWrappedCFException(f);
2950	<	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
2951	<	}
3881	>	try {
3882	>	java.lang.reflect.Field resultField
3883	>	= CompletableFuture.class.getDeclaredField("result");
3884	>	resultField.setAccessible(true);
3885	>	return resultField.get(f);
3886	>	} catch (Throwable t) {
3887	>	throw new AssertionError(t);
3888	>	} finally {
3889	>	if (sm != null) System.setSecurityManager(sm);
3890		}
3891		}
3892
3893	<	/**
3894	<	* Completion methods throw NullPointerException with null arguments
3895	<	*/
3896	<	public void testNPE() {
3897	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3898	<	CompletableFuture<Integer> g = new CompletableFuture<>();
3899	<	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2962	<	CompletableFuture<?> h;
2963	<	ThreadExecutor exec = new ThreadExecutor();
2964	<
2965	<	Runnable[] throwingActions = {
2966	<	() -> CompletableFuture.supplyAsync(null),
2967	<	() -> CompletableFuture.supplyAsync(null, exec),
2968	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
2969	<
2970	<	() -> CompletableFuture.runAsync(null),
2971	<	() -> CompletableFuture.runAsync(null, exec),
2972	<	() -> CompletableFuture.runAsync(() -> {}, null),
2973	<
2974	<	() -> f.completeExceptionally(null),
2975	<
2976	<	() -> f.thenApply(null),
2977	<	() -> f.thenApplyAsync(null),
2978	<	() -> f.thenApplyAsync((x) -> x, null),
2979	<	() -> f.thenApplyAsync(null, exec),
2980	<
2981	<	() -> f.thenAccept(null),
2982	<	() -> f.thenAcceptAsync(null),
2983	<	() -> f.thenAcceptAsync((x) -> {} , null),
2984	<	() -> f.thenAcceptAsync(null, exec),
2985	<
2986	<	() -> f.thenRun(null),
2987	<	() -> f.thenRunAsync(null),
2988	<	() -> f.thenRunAsync(() -> {} , null),
2989	<	() -> f.thenRunAsync(null, exec),
2990	<
2991	<	() -> f.thenCombine(g, null),
2992	<	() -> f.thenCombineAsync(g, null),
2993	<	() -> f.thenCombineAsync(g, null, exec),
2994	<	() -> f.thenCombine(nullFuture, (x, y) -> x),
2995	<	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
2996	<	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
2997	<	() -> f.thenCombineAsync(g, (x, y) -> x, null),
2998	<
2999	<	() -> f.thenAcceptBoth(g, null),
3000	<	() -> f.thenAcceptBothAsync(g, null),
3001	<	() -> f.thenAcceptBothAsync(g, null, exec),
3002	<	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3003	<	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3004	<	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3005	<	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3006	<
3007	<	() -> f.runAfterBoth(g, null),
3008	<	() -> f.runAfterBothAsync(g, null),
3009	<	() -> f.runAfterBothAsync(g, null, exec),
3010	<	() -> f.runAfterBoth(nullFuture, () -> {}),
3011	<	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3012	<	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3013	<	() -> f.runAfterBothAsync(g, () -> {}, null),
3014	<
3015	<	() -> f.applyToEither(g, null),
3016	<	() -> f.applyToEitherAsync(g, null),
3017	<	() -> f.applyToEitherAsync(g, null, exec),
3018	<	() -> f.applyToEither(nullFuture, (x) -> x),
3019	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3020	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3021	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3022	<
3023	<	() -> f.acceptEither(g, null),
3024	<	() -> f.acceptEitherAsync(g, null),
3025	<	() -> f.acceptEitherAsync(g, null, exec),
3026	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3027	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3028	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3029	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3030	<
3031	<	() -> f.runAfterEither(g, null),
3032	<	() -> f.runAfterEitherAsync(g, null),
3033	<	() -> f.runAfterEitherAsync(g, null, exec),
3034	<	() -> f.runAfterEither(nullFuture, () -> {}),
3035	<	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3036	<	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3037	<	() -> f.runAfterEitherAsync(g, () -> {}, null),
3893	>	public void testExceptionPropagationReusesResultObject() {
3894	>	if (!testImplementationDetails) return;
3895	>	for (ExecutionMode m : ExecutionMode.values())
3896	>	{
3897	>	final CFException ex = new CFException();
3898	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3899	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3900
3901	<	() -> f.thenCompose(null),
3902	<	() -> f.thenComposeAsync(null),
3903	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3904	<	() -> f.thenComposeAsync(null, exec),
3901	>	final Runnable noopRunnable = new Noop(m);
3902	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3903	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
3904	>
3905	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3906	>	= new ArrayList<>();
3907	>
3908	>	funs.add(y -> m.thenRun(y, noopRunnable));
3909	>	funs.add(y -> m.thenAccept(y, noopConsumer));
3910	>	funs.add(y -> m.thenApply(y, incFunction));
3911	>
3912	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3913	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3914	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3915	>
3916	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3917	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3918	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3919	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3920	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3921	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3922	>
3923	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3924	>
3925	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3926	>
3927	>	funs.add(y -> CompletableFuture.allOf(y));
3928	>	funs.add(y -> CompletableFuture.allOf(y, v42));
3929	>	funs.add(y -> CompletableFuture.allOf(v42, y));
3930	>	funs.add(y -> CompletableFuture.anyOf(y));
3931	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3932	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3933
3934	<	() -> f.exceptionally(null),
3935	<
3936	<	() -> f.handle(null),
3934	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3935	>	fun : funs) {
3936	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3937	>	f.completeExceptionally(ex);
3938	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3939	>	checkCompletedWithWrappedException(src, ex);
3940	>	CompletableFuture<?> dep = fun.apply(src);
3941	>	checkCompletedWithWrappedException(dep, ex);
3942	>	assertSame(resultOf(src), resultOf(dep));
3943	>	}
3944
3945	<	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3946	<	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3947	<	() -> CompletableFuture.allOf(f, null),
3948	<	() -> CompletableFuture.allOf(null, f),
3945	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3946	>	fun : funs) {
3947	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3948	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3949	>	CompletableFuture<?> dep = fun.apply(src);
3950	>	f.completeExceptionally(ex);
3951	>	checkCompletedWithWrappedException(src, ex);
3952	>	checkCompletedWithWrappedException(dep, ex);
3953	>	assertSame(resultOf(src), resultOf(dep));
3954	>	}
3955
3956	<	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3957	<	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3958	<	() -> CompletableFuture.anyOf(f, null),
3959	<	() -> CompletableFuture.anyOf(null, f),
3956	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3957	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3958	>	fun : funs) {
3959	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3960	>	f.cancel(mayInterruptIfRunning);
3961	>	checkCancelled(f);
3962	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3963	>	checkCompletedWithWrappedCancellationException(src);
3964	>	CompletableFuture<?> dep = fun.apply(src);
3965	>	checkCompletedWithWrappedCancellationException(dep);
3966	>	assertSame(resultOf(src), resultOf(dep));
3967	>	}
3968
3969	<	() -> f.obtrudeException(null),
3969	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3970	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3971	>	fun : funs) {
3972	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3973	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3974	>	CompletableFuture<?> dep = fun.apply(src);
3975	>	f.cancel(mayInterruptIfRunning);
3976	>	checkCancelled(f);
3977	>	checkCompletedWithWrappedCancellationException(src);
3978	>	checkCompletedWithWrappedCancellationException(dep);
3979	>	assertSame(resultOf(src), resultOf(dep));
3980	>	}
3981	>	}}
3982	>
3983	>	/**
3984	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3985	>	*/
3986	>	public void testMinimalCompletionStage_minimality() {
3987	>	if (!testImplementationDetails) return;
3988	>	Function<Method, String> toSignature =
3989	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3990	>	Predicate<Method> isNotStatic =
3991	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3992	>	List<Method> minimalMethods =
3993	>	Stream.of(Object.class, CompletionStage.class)
3994	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3995	>	.filter(isNotStatic)
3996	>	.collect(Collectors.toList());
3997	>	// Methods from CompletableFuture permitted NOT to throw UOE
3998	>	String[] signatureWhitelist = {
3999	>	"newIncompleteFuture[]",
4000	>	"defaultExecutor[]",
4001	>	"minimalCompletionStage[]",
4002	>	"copy[]",
4003		};
4004	<
4005	<	assertThrows(NullPointerException.class, throwingActions);
4006	<	assertEquals(0, exec.count.get());
4007	<	}
4008	<
4009	<	/**
4010	<	* toCompletableFuture returns this CompletableFuture.
4011	<	*/
4012	<	public void testToCompletableFuture() {
4013	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4014	<	assertSame(f, f.toCompletableFuture());
4015	<	}
4016	<
4017	<	/**
4018	<	* whenComplete action executes on normal completion, propagating
4019	<	* source result.
4020	<	*/
4021	<	public void testWhenComplete1() {
4022	<	final AtomicInteger a = new AtomicInteger();
4023	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4024	<	CompletableFuture<Integer> g =
4025	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
4026	<	f.complete(three);
4027	<	checkCompletedNormally(f, three);
4028	<	checkCompletedNormally(g, three);
4029	<	assertEquals(a.get(), 1);
4030	<	}
4031	<
4032	<	/**
4033	<	* whenComplete action executes on exceptional completion, propagating
4034	<	* source result.
4035	<	*/
4036	<	public void testWhenComplete2() {
4037	<	final AtomicInteger a = new AtomicInteger();
4038	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4039	<	CompletableFuture<Integer> g =
4040	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
4041	<	f.completeExceptionally(new CFException());
4042	<	assertTrue(f.isCompletedExceptionally());
4043	<	assertTrue(g.isCompletedExceptionally());
4044	<	assertEquals(a.get(), 1);
4004	>	Set<String> permittedMethodSignatures =
4005	>	Stream.concat(minimalMethods.stream().map(toSignature),
4006	>	Stream.of(signatureWhitelist))
4007	>	.collect(Collectors.toSet());
4008	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4009	>	.filter(isNotStatic)
4010	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4011	>	.collect(Collectors.toList());
4012	>
4013	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4014	>	CompletionStage<Integer> min =
4015	>	new CompletableFuture<Integer>().minimalCompletionStage();
4016	>	stages.add(min);
4017	>	stages.add(min.thenApply(x -> x));
4018	>	stages.add(CompletableFuture.completedStage(1));
4019	>	stages.add(CompletableFuture.failedStage(new CFException()));
4020	>
4021	>	List<Method> bugs = new ArrayList<>();
4022	>	for (Method method : allMethods) {
4023	>	Class<?>[] parameterTypes = method.getParameterTypes();
4024	>	Object[] args = new Object[parameterTypes.length];
4025	>	// Manufacture boxed primitives for primitive params
4026	>	for (int i = 0; i < args.length; i++) {
4027	>	Class<?> type = parameterTypes[i];
4028	>	if (parameterTypes[i] == boolean.class)
4029	>	args[i] = false;
4030	>	else if (parameterTypes[i] == int.class)
4031	>	args[i] = 0;
4032	>	else if (parameterTypes[i] == long.class)
4033	>	args[i] = 0L;
4034	>	}
4035	>	for (CompletionStage<Integer> stage : stages) {
4036	>	try {
4037	>	method.invoke(stage, args);
4038	>	bugs.add(method);
4039	>	}
4040	>	catch (java.lang.reflect.InvocationTargetException expected) {
4041	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4042	>	bugs.add(method);
4043	>	// expected.getCause().printStackTrace();
4044	>	}
4045	>	}
4046	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4047	>	}
4048	>	}
4049	>	if (!bugs.isEmpty())
4050	>	throw new Error("Methods did not throw UOE: " + bugs);
4051		}
4052
4053		/**
4054	<	* If a whenComplete action throws an exception when triggered by
4055	<	* a normal completion, it completes exceptionally
4054	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4055	>	* is completed normally, with the same value, when source is.
4056		*/
4057	<	public void testWhenComplete3() {
4057	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4058	>	for (boolean createIncomplete : new boolean[] { true, false })
4059	>	for (Integer v1 : new Integer[] { 1, null })
4060	>	{
4061		CompletableFuture<Integer> f = new CompletableFuture<>();
4062	<	CompletableFuture<Integer> g =
4063	<	f.whenComplete((Integer x, Throwable t) ->
4064	<	{ throw new CFException(); } );
4065	<	f.complete(three);
4066	<	checkCompletedNormally(f, three);
4067	<	assertTrue(g.isCompletedExceptionally());
4068	<	checkCompletedWithWrappedCFException(g);
4069	<	}
4062	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4063	>	if (!createIncomplete) assertTrue(f.complete(v1));
4064	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4065	>	if (createIncomplete) {
4066	>	checkIncomplete(f);
4067	>	checkIncomplete(g);
4068	>	assertTrue(f.complete(v1));
4069	>	}
4070	>	checkCompletedNormally(f, v1);
4071	>	checkCompletedNormally(g, v1);
4072	>	}}
4073
4074		/**
4075	<	* whenCompleteAsync action executes on normal completion, propagating
4076	<	* source result.
4075	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4076	>	* is completed exceptionally when source is.
4077		*/
4078	<	public void testWhenCompleteAsync1() {
4079	<	final AtomicInteger a = new AtomicInteger();
4078	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4079	>	for (boolean createIncomplete : new boolean[] { true, false })
4080	>	{
4081	>	CFException ex = new CFException();
4082		CompletableFuture<Integer> f = new CompletableFuture<>();
4083	<	CompletableFuture<Integer> g =
4084	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
4085	<	f.complete(three);
4086	<	checkCompletedNormally(f, three);
4087	<	checkCompletedNormally(g, three);
4088	<	assertEquals(a.get(), 1);
4089	<	}
4083	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4084	>	if (!createIncomplete) f.completeExceptionally(ex);
4085	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4086	>	if (createIncomplete) {
4087	>	checkIncomplete(f);
4088	>	checkIncomplete(g);
4089	>	f.completeExceptionally(ex);
4090	>	}
4091	>	checkCompletedExceptionally(f, ex);
4092	>	checkCompletedWithWrappedException(g, ex);
4093	>	}}
4094
4095		/**
4096	<	* whenCompleteAsync action executes on exceptional completion, propagating
3135	<	* source result.
4096	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4097		*/
4098	<	public void testWhenCompleteAsync2() {
4099	<	final AtomicInteger a = new AtomicInteger();
4098	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4099	>	for (Integer v1 : new Integer[] { 1, null })
4100	>	{
4101		CompletableFuture<Integer> f = new CompletableFuture<>();
4102	<	CompletableFuture<Integer> g =
4103	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
4104	<	f.completeExceptionally(new CFException());
4105	<	checkCompletedWithWrappedCFException(f);
4106	<	checkCompletedWithWrappedCFException(g);
4107	<	}
4102	>	CompletionStage minimal = f.minimalCompletionStage();
4103	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4104	>	assertTrue(g.complete(v1));
4105	>	checkCompletedNormally(g, v1);
4106	>	checkIncomplete(f);
4107	>	checkIncomplete(minimal.toCompletableFuture());
4108	>	}}
4109
4110		/**
4111	<	* If a whenCompleteAsync action throws an exception when
3149	<	* triggered by a normal completion, it completes exceptionally
4111	>	* minimalStage.toCompletableFuture().join() awaits completion
4112		*/
4113	<	public void testWhenCompleteAsync3() {
4113	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4114	>	for (boolean createIncomplete : new boolean[] { true, false })
4115	>	for (Integer v1 : new Integer[] { 1, null })
4116	>	{
4117		CompletableFuture<Integer> f = new CompletableFuture<>();
4118	<	CompletableFuture<Integer> g =
4119	<	f.whenCompleteAsync((Integer x, Throwable t) ->
4120	<	{ throw new CFException(); } );
4121	<	f.complete(three);
4122	<	checkCompletedNormally(f, three);
4123	<	checkCompletedWithWrappedCFException(g);
4118	>	if (!createIncomplete) assertTrue(f.complete(v1));
4119	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4120	>	if (createIncomplete) assertTrue(f.complete(v1));
4121	>	assertEquals(v1, minimal.toCompletableFuture().join());
4122	>	assertEquals(v1, minimal.toCompletableFuture().get());
4123	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4124	>	}}
4125	>
4126	>	/**
4127	>	* Completion of a toCompletableFuture copy of a minimal stage
4128	>	* does not complete its source.
4129	>	*/
4130	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4131	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4132	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4133	>	assertTrue(g.toCompletableFuture().complete(1));
4134	>	assertTrue(g.toCompletableFuture().complete(null));
4135	>	assertTrue(g.toCompletableFuture().cancel(true));
4136	>	assertTrue(g.toCompletableFuture().cancel(false));
4137	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4138	>	checkIncomplete(g.toCompletableFuture());
4139	>	f.complete(1);
4140	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4141		}
4142
4143	<	/**
4144	<	* whenCompleteAsync action executes on normal completion, propagating
4145	<	* source result.
4146	<	*/
4147	<	public void testWhenCompleteAsync1e() {
4148	<	final AtomicInteger a = new AtomicInteger();
4149	<	ThreadExecutor exec = new ThreadExecutor();
4150	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4151	<	CompletableFuture<Integer> g =
3170	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3171	<	exec);
3172	<	f.complete(three);
3173	<	checkCompletedNormally(f, three);
3174	<	checkCompletedNormally(g, three);
3175	<	assertEquals(a.get(), 1);
4143	>	/** Demo utility method for external reliable toCompletableFuture */
4144	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4145	>	CompletableFuture<T> f = new CompletableFuture<>();
4146	>	stage.handle((T t, Throwable ex) -> {
4147	>	if (ex != null) f.completeExceptionally(ex);
4148	>	else f.complete(t);
4149	>	return null;
4150	>	});
4151	>	return f;
4152		}
4153
4154	<	/**
4155	<	* whenCompleteAsync action executes on exceptional completion, propagating
4156	<	* source result.
3181	<	*/
3182	<	public void testWhenCompleteAsync2e() {
3183	<	final AtomicInteger a = new AtomicInteger();
3184	<	ThreadExecutor exec = new ThreadExecutor();
3185	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3186	<	CompletableFuture<Integer> g =
3187	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3188	<	exec);
3189	<	f.completeExceptionally(new CFException());
3190	<	checkCompletedWithWrappedCFException(f);
3191	<	checkCompletedWithWrappedCFException(g);
4154	>	/** Demo utility method to join a CompletionStage */
4155	>	static <T> T join(CompletionStage<T> stage) {
4156	>	return toCompletableFuture(stage).join();
4157		}
4158
4159		/**
4160	<	* If a whenCompleteAsync action throws an exception when triggered
3196	<	* by a normal completion, it completes exceptionally
4160	>	* Joining a minimal stage "by hand" works
4161		*/
4162	<	public void testWhenCompleteAsync3e() {
4163	<	ThreadExecutor exec = new ThreadExecutor();
4162	>	public void testMinimalCompletionStage_join_by_hand() {
4163	>	for (boolean createIncomplete : new boolean[] { true, false })
4164	>	for (Integer v1 : new Integer[] { 1, null })
4165	>	{
4166		CompletableFuture<Integer> f = new CompletableFuture<>();
4167	<	CompletableFuture<Integer> g =
4168	<	f.whenCompleteAsync((Integer x, Throwable t) ->
4169	<	{ throw new CFException(); },
4170	<	exec);
4171	<	f.complete(three);
4172	<	checkCompletedNormally(f, three);
4173	<	checkCompletedWithWrappedCFException(g);
4174	<	}
4175	<
4176	<	/**
3211	<	* handleAsync action completes normally with function value on
3212	<	* either normal or exceptional completion of source
3213	<	*/
3214	<	public void testHandleAsync() {
3215	<	CompletableFuture<Integer> f, g;
3216	<	IntegerHandler r;
3217	<
3218	<	f = new CompletableFuture<>();
3219	<	g = f.handleAsync(r = new IntegerHandler());
3220	<	assertFalse(r.ran);
3221	<	f.completeExceptionally(new CFException());
3222	<	checkCompletedWithWrappedCFException(f);
3223	<	checkCompletedNormally(g, three);
3224	<	assertTrue(r.ran);
3225	<
3226	<	f = new CompletableFuture<>();
3227	<	g = f.handleAsync(r = new IntegerHandler());
3228	<	assertFalse(r.ran);
3229	<	f.completeExceptionally(new CFException());
3230	<	checkCompletedWithWrappedCFException(f);
3231	<	checkCompletedNormally(g, three);
3232	<	assertTrue(r.ran);
3233	<
3234	<	f = new CompletableFuture<>();
3235	<	g = f.handleAsync(r = new IntegerHandler());
3236	<	assertFalse(r.ran);
3237	<	f.complete(one);
3238	<	checkCompletedNormally(f, one);
3239	<	checkCompletedNormally(g, two);
3240	<	assertTrue(r.ran);
3241	<
3242	<	f = new CompletableFuture<>();
3243	<	g = f.handleAsync(r = new IntegerHandler());
3244	<	assertFalse(r.ran);
3245	<	f.complete(one);
3246	<	checkCompletedNormally(f, one);
3247	<	checkCompletedNormally(g, two);
3248	<	assertTrue(r.ran);
3249	<	}
3250	<
3251	<	/**
3252	<	* handleAsync action with Executor completes normally with
3253	<	* function value on either normal or exceptional completion of
3254	<	* source
3255	<	*/
3256	<	public void testHandleAsync2() {
3257	<	CompletableFuture<Integer> f, g;
3258	<	ThreadExecutor exec = new ThreadExecutor();
3259	<	IntegerHandler r;
3260	<
3261	<	f = new CompletableFuture<>();
3262	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3263	<	assertFalse(r.ran);
3264	<	f.completeExceptionally(new CFException());
3265	<	checkCompletedWithWrappedCFException(f);
3266	<	checkCompletedNormally(g, three);
3267	<	assertTrue(r.ran);
3268	<
3269	<	f = new CompletableFuture<>();
3270	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3271	<	assertFalse(r.ran);
3272	<	f.completeExceptionally(new CFException());
3273	<	checkCompletedWithWrappedCFException(f);
3274	<	checkCompletedNormally(g, three);
3275	<	assertTrue(r.ran);
4167	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4168	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4169	>	if (!createIncomplete) assertTrue(f.complete(v1));
4170	>	minimal.thenAccept(x -> g.complete(x));
4171	>	if (createIncomplete) assertTrue(f.complete(v1));
4172	>	g.join();
4173	>	checkCompletedNormally(g, v1);
4174	>	checkCompletedNormally(f, v1);
4175	>	assertEquals(v1, join(minimal));
4176	>	}}
4177
4178	<	f = new CompletableFuture<>();
4179	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4180	<	assertFalse(r.ran);
4181	<	f.complete(one);
4182	<	checkCompletedNormally(f, one);
4183	<	checkCompletedNormally(g, two);
4184	<	assertTrue(r.ran);
4178	>	static class Monad {
4179	>	static class ZeroException extends RuntimeException {
4180	>	public ZeroException() { super("monadic zero"); }
4181	>	}
4182	>	// "return", "unit"
4183	>	static <T> CompletableFuture<T> unit(T value) {
4184	>	return completedFuture(value);
4185	>	}
4186	>	// monadic zero ?
4187	>	static <T> CompletableFuture<T> zero() {
4188	>	return failedFuture(new ZeroException());
4189	>	}
4190	>	// >=>
4191	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4192	>	(Function<T, CompletableFuture<U>> f,
4193	>	Function<U, CompletableFuture<V>> g) {
4194	>	return x -> f.apply(x).thenCompose(g);
4195	>	}
4196	>
4197	>	static void assertZero(CompletableFuture<?> f) {
4198	>	try {
4199	>	f.getNow(null);
4200	>	throw new AssertionError("should throw");
4201	>	} catch (CompletionException success) {
4202	>	assertTrue(success.getCause() instanceof ZeroException);
4203	>	}
4204	>	}
4205
4206	<	f = new CompletableFuture<>();
4207	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4208	<	assertFalse(r.ran);
4209	<	f.complete(one);
4210	<	checkCompletedNormally(f, one);
4211	<	checkCompletedNormally(g, two);
4212	<	assertTrue(r.ran);
4213	<	}
4206	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4207	>	CompletableFuture<T> g) {
4208	>	T fval = null, gval = null;
4209	>	Throwable fex = null, gex = null;
4210	>
4211	>	try { fval = f.get(); }
4212	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4213	>	catch (Throwable ex) { fex = ex; }
4214	>
4215	>	try { gval = g.get(); }
4216	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4217	>	catch (Throwable ex) { gex = ex; }
4218	>
4219	>	if (fex != null || gex != null)
4220	>	assertSame(fex.getClass(), gex.getClass());
4221	>	else
4222	>	assertEquals(fval, gval);
4223	>	}
4224	>
4225	>	static class PlusFuture<T> extends CompletableFuture<T> {
4226	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4227	>	}
4228	>
4229	>	/** Implements "monadic plus". */
4230	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4231	>	CompletableFuture<? extends T> g) {
4232	>	PlusFuture<T> plus = new PlusFuture<T>();
4233	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4234	>	try {
4235	>	if (ex == null) {
4236	>	if (plus.complete(result))
4237	>	if (plus.firstFailure.get() != null)
4238	>	plus.firstFailure.set(null);
4239	>	}
4240	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4241	>	if (plus.isDone())
4242	>	plus.firstFailure.set(null);
4243	>	}
4244	>	else {
4245	>	// first failure has precedence
4246	>	Throwable first = plus.firstFailure.getAndSet(null);
4247	>
4248	>	// may fail with "Self-suppression not permitted"
4249	>	try { first.addSuppressed(ex); }
4250	>	catch (Exception ignored) {}
4251	>
4252	>	plus.completeExceptionally(first);
4253	>	}
4254	>	} catch (Throwable unexpected) {
4255	>	plus.completeExceptionally(unexpected);
4256	>	}
4257	>	};
4258	>	f.whenComplete(action);
4259	>	g.whenComplete(action);
4260	>	return plus;
4261	>	}
4262	>	}
4263	>
4264	>	/**
4265	>	* CompletableFuture is an additive monad - sort of.
4266	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4267	>	*/
4268	>	public void testAdditiveMonad() throws Throwable {
4269	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4270	>	CompletableFuture<Long> zero = Monad.zero();
4271	>
4272	>	// Some mutually non-commutative functions
4273	>	Function<Long, CompletableFuture<Long>> triple
4274	>	= x -> Monad.unit(3 * x);
4275	>	Function<Long, CompletableFuture<Long>> inc
4276	>	= x -> Monad.unit(x + 1);
4277	>
4278	>	// unit is a right identity: m >>= unit === m
4279	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4280	>	inc.apply(5L));
4281	>	// unit is a left identity: (unit x) >>= f === f x
4282	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4283	>	inc.apply(5L));
4284	>
4285	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4286	>	Monad.assertFutureEquals(
4287	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4288	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4289	>
4290	>	// The case for CompletableFuture as an additive monad is weaker...
4291	>
4292	>	// zero is a monadic zero
4293	>	Monad.assertZero(zero);
4294	>
4295	>	// left zero: zero >>= f === zero
4296	>	Monad.assertZero(zero.thenCompose(inc));
4297	>	// right zero: f >>= (\x -> zero) === zero
4298	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4299	>
4300	>	// f plus zero === f
4301	>	Monad.assertFutureEquals(Monad.unit(5L),
4302	>	Monad.plus(Monad.unit(5L), zero));
4303	>	// zero plus f === f
4304	>	Monad.assertFutureEquals(Monad.unit(5L),
4305	>	Monad.plus(zero, Monad.unit(5L)));
4306	>	// zero plus zero === zero
4307	>	Monad.assertZero(Monad.plus(zero, zero));
4308	>	{
4309	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4310	>	Monad.unit(8L));
4311	>	// non-determinism
4312	>	assertTrue(f.get() == 5L || f.get() == 8L);
4313	>	}
4314	>
4315	>	CompletableFuture<Long> godot = new CompletableFuture<>();
4316	>	// f plus godot === f (doesn't wait for godot)
4317	>	Monad.assertFutureEquals(Monad.unit(5L),
4318	>	Monad.plus(Monad.unit(5L), godot));
4319	>	// godot plus f === f (doesn't wait for godot)
4320	>	Monad.assertFutureEquals(Monad.unit(5L),
4321	>	Monad.plus(godot, Monad.unit(5L)));
4322	>	}
4323	>
4324	>	/** Test long recursive chains of CompletableFutures with cascading completions */
4325	>	@SuppressWarnings("FutureReturnValueIgnored")
4326	>	public void testRecursiveChains() throws Throwable {
4327	>	for (ExecutionMode m : ExecutionMode.values())
4328	>	for (boolean addDeadEnds : new boolean[] { true, false })
4329	>	{
4330	>	final int val = 42;
4331	>	final int n = expensiveTests ? 1_000 : 2;
4332	>	CompletableFuture<Integer> head = new CompletableFuture<>();
4333	>	CompletableFuture<Integer> tail = head;
4334	>	for (int i = 0; i < n; i++) {
4335	>	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4336	>	tail = m.thenApply(tail, v -> v + 1);
4337	>	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4338	>	tail = m.applyToEither(tail, tail, v -> v + 1);
4339	>	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4340	>	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4341	>	}
4342	>	head.complete(val);
4343	>	assertEquals(val + 3 * n, (int) tail.join());
4344	>	}}
4345	>
4346	>	/**
4347	>	* A single CompletableFuture with many dependents.
4348	>	* A demo of scalability - runtime is O(n).
4349	>	*/
4350	>	@SuppressWarnings("FutureReturnValueIgnored")
4351	>	public void testManyDependents() throws Throwable {
4352	>	final int n = expensiveTests ? 1_000_000 : 10;
4353	>	final CompletableFuture<Void> head = new CompletableFuture<>();
4354	>	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4355	>	final AtomicInteger count = new AtomicInteger(0);
4356	>	for (int i = 0; i < n; i++) {
4357	>	head.thenRun(() -> count.getAndIncrement());
4358	>	head.thenAccept(x -> count.getAndIncrement());
4359	>	head.thenApply(x -> count.getAndIncrement());
4360	>
4361	>	head.runAfterBoth(complete, () -> count.getAndIncrement());
4362	>	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4363	>	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4364	>	complete.runAfterBoth(head, () -> count.getAndIncrement());
4365	>	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4366	>	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4367	>
4368	>	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4369	>	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4370	>	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4371	>	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4372	>	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4373	>	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4374	>	}
4375	>	head.complete(null);
4376	>	assertEquals(5 * 3 * n, count.get());
4377	>	}
4378	>
4379	>	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4380	>	@SuppressWarnings("FutureReturnValueIgnored")
4381	>	public void testCoCompletionGarbageRetention() throws Throwable {
4382	>	final int n = expensiveTests ? 1_000_000 : 10;
4383	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4384	>	CompletableFuture<Integer> f;
4385	>	for (int i = 0; i < n; i++) {
4386	>	f = new CompletableFuture<>();
4387	>	f.runAfterEither(incomplete, () -> {});
4388	>	f.complete(null);
4389	>
4390	>	f = new CompletableFuture<>();
4391	>	f.acceptEither(incomplete, x -> {});
4392	>	f.complete(null);
4393	>
4394	>	f = new CompletableFuture<>();
4395	>	f.applyToEither(incomplete, x -> x);
4396	>	f.complete(null);
4397	>
4398	>	f = new CompletableFuture<>();
4399	>	CompletableFuture.anyOf(f, incomplete);
4400	>	f.complete(null);
4401	>	}
4402	>
4403	>	for (int i = 0; i < n; i++) {
4404	>	f = new CompletableFuture<>();
4405	>	incomplete.runAfterEither(f, () -> {});
4406	>	f.complete(null);
4407	>
4408	>	f = new CompletableFuture<>();
4409	>	incomplete.acceptEither(f, x -> {});
4410	>	f.complete(null);
4411	>
4412	>	f = new CompletableFuture<>();
4413	>	incomplete.applyToEither(f, x -> x);
4414	>	f.complete(null);
4415	>
4416	>	f = new CompletableFuture<>();
4417	>	CompletableFuture.anyOf(incomplete, f);
4418	>	f.complete(null);
4419	>	}
4420	>	}
4421	>
4422	>	/**
4423	>	* Reproduction recipe for:
4424	>	* 8160402: Garbage retention with CompletableFuture.anyOf
4425	>	* 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
4426	>	*/
4427	>	public void testAnyOfGarbageRetention() throws Throwable {
4428	>	for (Integer v : new Integer[] { 1, null })
4429	>	{
4430	>	final int n = expensiveTests ? 100_000 : 10;
4431	>	CompletableFuture<Integer>[] fs
4432	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4433	>	for (int i = 0; i < fs.length; i++)
4434	>	fs[i] = new CompletableFuture<>();
4435	>	fs[fs.length - 1].complete(v);
4436	>	for (int i = 0; i < n; i++)
4437	>	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4438	>	}}
4439	>
4440	>	/**
4441	>	* Checks for garbage retention with allOf.
4442	>	*
4443	>	* As of 2016-07, fails with OOME:
4444	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4445	>	*/
4446	>	public void testCancelledAllOfGarbageRetention() throws Throwable {
4447	>	final int n = expensiveTests ? 100_000 : 10;
4448	>	CompletableFuture<Integer>[] fs
4449	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4450	>	for (int i = 0; i < fs.length; i++)
4451	>	fs[i] = new CompletableFuture<>();
4452	>	for (int i = 0; i < n; i++)
4453	>	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4454	>	}
4455	>
4456	>	/**
4457	>	* Checks for garbage retention when a dependent future is
4458	>	* cancelled and garbage-collected.
4459	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4460	>	*
4461	>	* As of 2016-07, fails with OOME:
4462	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4463	>	*/
4464	>	public void testCancelledGarbageRetention() throws Throwable {
4465	>	final int n = expensiveTests ? 100_000 : 10;
4466	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4467	>	for (int i = 0; i < n; i++)
4468	>	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4469	>	}
4470	>
4471	>	/**
4472	>	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4473	>	* is invoked many times.
4474	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4475	>	*
4476	>	* As of 2016-07, fails with OOME:
4477	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4478	>	*/
4479	>	public void testToCompletableFutureGarbageRetention() throws Throwable {
4480	>	final int n = expensiveTests ? 900_000 : 10;
4481	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4482	>	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4483	>	for (int i = 0; i < n; i++)
4484	>	assertTrue(minimal.toCompletableFuture().cancel(true));
4485	>	}
4486	>
4487	>	//     static <U> U join(CompletionStage<U> stage) {
4488	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4489	>	//         stage.whenComplete((v, ex) -> {
4490	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4491	>	//         });
4492	>	//         return f.join();
4493	>	//     }
4494	>
4495	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
4496	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4497	>	//         stage.whenComplete((v, ex) -> {
4498	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4499	>	//         });
4500	>	//         return f.isDone();
4501	>	//     }
4502	>
4503	>	//     static <U> U join2(CompletionStage<U> stage) {
4504	>	//         return stage.toCompletableFuture().copy().join();
4505	>	//     }
4506	>
4507	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4508	>	//         return stage.toCompletableFuture().copy().isDone();
4509	>	//     }
4510
4511		}

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