ViewVC Help

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

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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.39 by jsr166, Mon Jun 2 00:46:52 2014 UTC vs.
Revision 1.216 by jsr166, Wed Nov 21 23:25:17 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	<	// A non-commutative function that handles and produces null values as well.
397	<	static Integer subtract(Integer x, Integer y) {
398	<	return (x == null && y == null) ? null :
399	<	((x == null) ? 42 : x.intValue())
400	<	- ((y == null) ? 99 : y.intValue());
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 class IntegerSupplier extends CheckedAction
406	>	implements Supplier<Integer>
407	>	{
408	>	final Integer value;
409	>	IntegerSupplier(ExecutionMode m, Integer value) {
410	>	super(m);
411	>	this.value = value;
412	>	}
413	>	public Integer get() {
414	>	invoked();
415	>	return value;
416	>	}
417		}
418
419		// A function that handles and produces null values as well.
#	Line 330 | Line 421 | public class CompletableFutureTest exten
421		return (x == null) ? null : x + 1;
422		}
423
424	<	static final Supplier<Integer> supplyOne =
425	<	() -> Integer.valueOf(1);
426	<	static final Function<Integer, Integer> inc =
427	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
337	<	static final BiFunction<Integer, Integer, Integer> subtract =
338	<	(Integer x, Integer y) -> subtract(x, y);
339	<	static final class IncAction implements Consumer<Integer> {
340	<	int invocationCount = 0;
341	<	Integer value;
342	<	public boolean ran() { return invocationCount == 1; }
424	>	static class NoopConsumer extends CheckedIntegerAction
425	>	implements Consumer<Integer>
426	>	{
427	>	NoopConsumer(ExecutionMode m) { super(m); }
428		public void accept(Integer x) {
429	<	invocationCount++;
430	<	value = inc(x);
429	>	invoked();
430	>	value = x;
431		}
432		}
433	<	static final class IncFunction implements Function<Integer,Integer> {
434	<	int invocationCount = 0;
435	<	Integer value;
436	<	public boolean ran() { return invocationCount == 1; }
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	<	invocationCount++;
439	>	invoked();
440		return value = inc(x);
441		}
442		}
443	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
444	<	int invocationCount = 0;
445	<	Integer value;
446	<	// Check this action was invoked exactly once when result is computed.
447	<	public boolean ran() { return invocationCount == 1; }
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	<	invocationCount++;
457	>	invoked();
458		value = subtract(x, y);
459		}
460		}
461	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
462	<	int invocationCount = 0;
463	<	Integer value;
464	<	// Check this action was invoked exactly once when result is computed.
465	<	public boolean ran() { return invocationCount == 1; }
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	<	invocationCount++;
467	>	invoked();
468		return value = subtract(x, y);
469		}
470		}
471	<	static final class Noop implements Runnable {
472	<	boolean ran;
473	<	public void run() { ran = true; }
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;
553	<	CompletableFuture<Integer> f = new CompletableFuture<>();
554	<	f.complete(Integer.valueOf(x.intValue() + 1));
414	<	return f;
552	>	invoked();
553	>	value = x;
554	>	return CompletableFuture.completedFuture(inc(x));
555		}
556		}
557
558	<	static final class FailingCompletableFutureFunction
559	<	implements Function<Integer, CompletableFuture<Integer>> {
560	<	boolean ran;
561	<	public CompletableFuture<Integer> apply(Integer x) {
562	<	ran = true; throw new CFException();
558	>	static class FailingExceptionalCompletableFutureFunction extends CheckedAction
559	>	implements Function<Throwable, CompletableFuture<Integer>>
560	>	{
561	>	final CFException ex;
562	>	FailingExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
563	>	public CompletableFuture<Integer> apply(Throwable x) {
564	>	invoked();
565	>	throw ex;
566		}
567		}
568
569	<	// Used for explicit executor tests
570	<	static final class ThreadExecutor implements Executor {
571	<	AtomicInteger count = new AtomicInteger(0);
569	>	static class ExceptionalCompletableFutureFunction extends CheckedAction
570	>	implements Function<Throwable, CompletionStage<Integer>> {
571	>	final Integer value = 3;
572	>	ExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); }
573	>	public CompletionStage<Integer> apply(Throwable x) {
574	>	invoked();
575	>	return CompletableFuture.completedFuture(value);
576	>	}
577	>	}
578	>
579	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
580	>	implements Function<Integer, CompletableFuture<Integer>>
581	>	{
582	>	final CFException ex;
583	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
584	>	public CompletableFuture<Integer> apply(Integer x) {
585	>	invoked();
586	>	value = x;
587	>	throw ex;
588	>	}
589	>	}
590
591	+	static class CountingRejectingExecutor implements Executor {
592	+	final RejectedExecutionException ex = new RejectedExecutionException();
593	+	final AtomicInteger count = new AtomicInteger(0);
594		public void execute(Runnable r) {
595		count.getAndIncrement();
596	<	new Thread(r).start();
596	>	throw ex;
597		}
598		}
599
600	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
601	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
602	<	}
600	>	// Used for explicit executor tests
601	>	static final class ThreadExecutor implements Executor {
602	>	final AtomicInteger count = new AtomicInteger(0);
603	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
604	>	static boolean startedCurrentThread() {
605	>	return Thread.currentThread().getThreadGroup() == tg;
606	>	}
607
608	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
609	<	boolean ran;
610	<	public Integer apply(Integer x, Throwable t) {
443	<	ran = true;
444	<	return (t == null) ? two : three;
608	>	public void execute(Runnable r) {
609	>	count.getAndIncrement();
610	>	new Thread(tg, r).start();
611		}
612		}
613
614	+	static final boolean defaultExecutorIsCommonPool
615	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
616	+
617		/**
618		* Permits the testing of parallel code for the 3 different
619	<	* execution modes without repeating all the testing code.
619	>	* execution modes without copy/pasting all the test methods.
620		*/
621		enum ExecutionMode {
622	<	DEFAULT {
622	>	SYNC {
623	>	public void checkExecutionMode() {
624	>	assertFalse(ThreadExecutor.startedCurrentThread());
625	>	assertNull(ForkJoinTask.getPool());
626	>	}
627	>	public CompletableFuture<Void> runAsync(Runnable a) {
628	>	throw new UnsupportedOperationException();
629	>	}
630	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
631	>	throw new UnsupportedOperationException();
632	>	}
633	>	public <T> CompletableFuture<Void> thenRun
634	>	(CompletableFuture<T> f, Runnable a) {
635	>	return f.thenRun(a);
636	>	}
637	>	public <T> CompletableFuture<Void> thenAccept
638	>	(CompletableFuture<T> f, Consumer<? super T> a) {
639	>	return f.thenAccept(a);
640	>	}
641	>	public <T,U> CompletableFuture<U> thenApply
642	>	(CompletableFuture<T> f, Function<? super T,U> a) {
643	>	return f.thenApply(a);
644	>	}
645	>	public <T,U> CompletableFuture<U> thenCompose
646	>	(CompletableFuture<T> f,
647	>	Function<? super T,? extends CompletionStage<U>> a) {
648	>	return f.thenCompose(a);
649	>	}
650	>	public <T,U> CompletableFuture<U> handle
651	>	(CompletableFuture<T> f,
652	>	BiFunction<? super T,Throwable,? extends U> a) {
653	>	return f.handle(a);
654	>	}
655	>	public <T> CompletableFuture<T> whenComplete
656	>	(CompletableFuture<T> f,
657	>	BiConsumer<? super T,? super Throwable> a) {
658	>	return f.whenComplete(a);
659	>	}
660		public <T,U> CompletableFuture<Void> runAfterBoth
661		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
662		return f.runAfterBoth(g, a);
#	Line 467 | Line 673 | public class CompletableFutureTest exten
673		BiFunction<? super T,? super U,? extends V> a) {
674		return f.thenCombine(g, a);
675		}
676	<	public <T,U> CompletableFuture<U> applyToEither
676	>	public <T> CompletableFuture<Void> runAfterEither
677		(CompletableFuture<T> f,
678	<	CompletionStage<? extends T> g,
679	<	Function<? super T,U> a) {
680	<	return f.applyToEither(g, a);
678	>	CompletionStage<?> g,
679	>	java.lang.Runnable a) {
680	>	return f.runAfterEither(g, a);
681		}
682		public <T> CompletableFuture<Void> acceptEither
683		(CompletableFuture<T> f,
#	Line 479 | Line 685 | public class CompletableFutureTest exten
685		Consumer<? super T> a) {
686		return f.acceptEither(g, a);
687		}
688	<	public <T> CompletableFuture<Void> runAfterEither
688	>	public <T,U> CompletableFuture<U> applyToEither
689		(CompletableFuture<T> f,
690	<	CompletionStage<?> g,
691	<	java.lang.Runnable a) {
692	<	return f.runAfterEither(g, a);
690	>	CompletionStage<? extends T> g,
691	>	Function<? super T,U> a) {
692	>	return f.applyToEither(g, a);
693	>	}
694	>	public <T> CompletableFuture<T> exceptionally
695	>	(CompletableFuture<T> f,
696	>	Function<Throwable, ? extends T> fn) {
697	>	return f.exceptionally(fn);
698	>	}
699	>	public <T> CompletableFuture<T> exceptionallyCompose
700	>	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
701	>	return f.exceptionallyCompose(fn);
702	>	}
703	>	},
704	>	ASYNC {
705	>	public void checkExecutionMode() {
706	>	assertEquals(defaultExecutorIsCommonPool,
707	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
708	>	}
709	>	public CompletableFuture<Void> runAsync(Runnable a) {
710	>	return CompletableFuture.runAsync(a);
711	>	}
712	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
713	>	return CompletableFuture.supplyAsync(a);
714	>	}
715	>	public <T> CompletableFuture<Void> thenRun
716	>	(CompletableFuture<T> f, Runnable a) {
717	>	return f.thenRunAsync(a);
718	>	}
719	>	public <T> CompletableFuture<Void> thenAccept
720	>	(CompletableFuture<T> f, Consumer<? super T> a) {
721	>	return f.thenAcceptAsync(a);
722	>	}
723	>	public <T,U> CompletableFuture<U> thenApply
724	>	(CompletableFuture<T> f, Function<? super T,U> a) {
725	>	return f.thenApplyAsync(a);
726		}
727		public <T,U> CompletableFuture<U> thenCompose
728		(CompletableFuture<T> f,
729		Function<? super T,? extends CompletionStage<U>> a) {
730	<	return f.thenCompose(a);
730	>	return f.thenComposeAsync(a);
731	>	}
732	>	public <T,U> CompletableFuture<U> handle
733	>	(CompletableFuture<T> f,
734	>	BiFunction<? super T,Throwable,? extends U> a) {
735	>	return f.handleAsync(a);
736		}
737		public <T> CompletableFuture<T> whenComplete
738		(CompletableFuture<T> f,
739		BiConsumer<? super T,? super Throwable> a) {
740	<	return f.whenComplete(a);
740	>	return f.whenCompleteAsync(a);
741		}
498	–	},
499	–
500	–	//             /** Experimental way to do more testing */
501	–	//         REVERSE_DEFAULT {
502	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
503	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
504	–	//                 return g.runAfterBoth(f, a);
505	–	//             }
506	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
507	–	//                 (CompletableFuture<T> f,
508	–	//                  CompletionStage<? extends U> g,
509	–	//                  BiConsumer<? super T,? super U> a) {
510	–	//                 return DEFAULT.thenAcceptBoth(f, g, a);
511	–	//             }
512	–	//         },
513	–
514	–	DEFAULT_ASYNC {
742		public <T,U> CompletableFuture<Void> runAfterBoth
743		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
744		return f.runAfterBothAsync(g, a);
#	Line 528 | Line 755 | public class CompletableFutureTest exten
755		BiFunction<? super T,? super U,? extends V> a) {
756		return f.thenCombineAsync(g, a);
757		}
758	<	public <T,U> CompletableFuture<U> applyToEither
758	>	public <T> CompletableFuture<Void> runAfterEither
759		(CompletableFuture<T> f,
760	<	CompletionStage<? extends T> g,
761	<	Function<? super T,U> a) {
762	<	return f.applyToEitherAsync(g, a);
760	>	CompletionStage<?> g,
761	>	java.lang.Runnable a) {
762	>	return f.runAfterEitherAsync(g, a);
763		}
764		public <T> CompletableFuture<Void> acceptEither
765		(CompletableFuture<T> f,
#	Line 540 | Line 767 | public class CompletableFutureTest exten
767		Consumer<? super T> a) {
768		return f.acceptEitherAsync(g, a);
769		}
770	<	public <T> CompletableFuture<Void> runAfterEither
770	>	public <T,U> CompletableFuture<U> applyToEither
771		(CompletableFuture<T> f,
772	<	CompletionStage<?> g,
773	<	java.lang.Runnable a) {
774	<	return f.runAfterEitherAsync(g, a);
772	>	CompletionStage<? extends T> g,
773	>	Function<? super T,U> a) {
774	>	return f.applyToEitherAsync(g, a);
775	>	}
776	>	public <T> CompletableFuture<T> exceptionally
777	>	(CompletableFuture<T> f,
778	>	Function<Throwable, ? extends T> fn) {
779	>	return f.exceptionallyAsync(fn);
780	>	}
781	>
782	>	public <T> CompletableFuture<T> exceptionallyCompose
783	>	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
784	>	return f.exceptionallyComposeAsync(fn);
785	>	}
786	>
787	>	},
788	>
789	>	EXECUTOR {
790	>	public void checkExecutionMode() {
791	>	assertTrue(ThreadExecutor.startedCurrentThread());
792	>	}
793	>	public CompletableFuture<Void> runAsync(Runnable a) {
794	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
795	>	}
796	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
797	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
798	>	}
799	>	public <T> CompletableFuture<Void> thenRun
800	>	(CompletableFuture<T> f, Runnable a) {
801	>	return f.thenRunAsync(a, new ThreadExecutor());
802	>	}
803	>	public <T> CompletableFuture<Void> thenAccept
804	>	(CompletableFuture<T> f, Consumer<? super T> a) {
805	>	return f.thenAcceptAsync(a, new ThreadExecutor());
806	>	}
807	>	public <T,U> CompletableFuture<U> thenApply
808	>	(CompletableFuture<T> f, Function<? super T,U> a) {
809	>	return f.thenApplyAsync(a, new ThreadExecutor());
810		}
811		public <T,U> CompletableFuture<U> thenCompose
812		(CompletableFuture<T> f,
813		Function<? super T,? extends CompletionStage<U>> a) {
814	<	return f.thenComposeAsync(a);
814	>	return f.thenComposeAsync(a, new ThreadExecutor());
815	>	}
816	>	public <T,U> CompletableFuture<U> handle
817	>	(CompletableFuture<T> f,
818	>	BiFunction<? super T,Throwable,? extends U> a) {
819	>	return f.handleAsync(a, new ThreadExecutor());
820		}
821		public <T> CompletableFuture<T> whenComplete
822		(CompletableFuture<T> f,
823		BiConsumer<? super T,? super Throwable> a) {
824	<	return f.whenCompleteAsync(a);
824	>	return f.whenCompleteAsync(a, new ThreadExecutor());
825		}
559	–	},
560	–
561	–	//         REVERSE_DEFAULT_ASYNC {
562	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
563	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
564	–	//                 return f.runAfterBothAsync(g, a);
565	–	//             }
566	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
567	–	//                 (CompletableFuture<T> f,
568	–	//                  CompletionStage<? extends U> g,
569	–	//                  BiConsumer<? super T,? super U> a) {
570	–	//                 return DEFAULT_ASYNC.thenAcceptBoth(f, g, a);
571	–	//             }
572	–	//         },
573	–
574	–	EXECUTOR {
826		public <T,U> CompletableFuture<Void> runAfterBoth
827		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
828		return f.runAfterBothAsync(g, a, new ThreadExecutor());
#	Line 588 | Line 839 | public class CompletableFutureTest exten
839		BiFunction<? super T,? super U,? extends V> a) {
840		return f.thenCombineAsync(g, a, new ThreadExecutor());
841		}
842	<	public <T,U> CompletableFuture<U> applyToEither
842	>	public <T> CompletableFuture<Void> runAfterEither
843		(CompletableFuture<T> f,
844	<	CompletionStage<? extends T> g,
845	<	Function<? super T,U> a) {
846	<	return f.applyToEitherAsync(g, a, new ThreadExecutor());
844	>	CompletionStage<?> g,
845	>	java.lang.Runnable a) {
846	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
847		}
848		public <T> CompletableFuture<Void> acceptEither
849		(CompletableFuture<T> f,
#	Line 600 | Line 851 | public class CompletableFutureTest exten
851		Consumer<? super T> a) {
852		return f.acceptEitherAsync(g, a, new ThreadExecutor());
853		}
854	<	public <T> CompletableFuture<Void> runAfterEither
854	>	public <T,U> CompletableFuture<U> applyToEither
855		(CompletableFuture<T> f,
856	<	CompletionStage<?> g,
857	<	java.lang.Runnable a) {
858	<	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
856	>	CompletionStage<? extends T> g,
857	>	Function<? super T,U> a) {
858	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
859		}
860	<	public <T,U> CompletableFuture<U> thenCompose
860	>	public <T> CompletableFuture<T> exceptionally
861		(CompletableFuture<T> f,
862	<	Function<? super T,? extends CompletionStage<U>> a) {
863	<	return f.thenComposeAsync(a, new ThreadExecutor());
862	>	Function<Throwable, ? extends T> fn) {
863	>	return f.exceptionallyAsync(fn, new ThreadExecutor());
864		}
865	<	public <T> CompletableFuture<T> whenComplete
866	<	(CompletableFuture<T> f,
867	<	BiConsumer<? super T,? super Throwable> a) {
617	<	return f.whenCompleteAsync(a, new ThreadExecutor());
865	>	public <T> CompletableFuture<T> exceptionallyCompose
866	>	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
867	>	return f.exceptionallyComposeAsync(fn, new ThreadExecutor());
868		}
869	+
870		};
871
872	+	public abstract void checkExecutionMode();
873	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
874	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
875	+	public abstract <T> CompletableFuture<Void> thenRun
876	+	(CompletableFuture<T> f, Runnable a);
877	+	public abstract <T> CompletableFuture<Void> thenAccept
878	+	(CompletableFuture<T> f, Consumer<? super T> a);
879	+	public abstract <T,U> CompletableFuture<U> thenApply
880	+	(CompletableFuture<T> f, Function<? super T,U> a);
881	+	public abstract <T,U> CompletableFuture<U> thenCompose
882	+	(CompletableFuture<T> f,
883	+	Function<? super T,? extends CompletionStage<U>> a);
884	+	public abstract <T,U> CompletableFuture<U> handle
885	+	(CompletableFuture<T> f,
886	+	BiFunction<? super T,Throwable,? extends U> a);
887	+	public abstract <T> CompletableFuture<T> whenComplete
888	+	(CompletableFuture<T> f,
889	+	BiConsumer<? super T,? super Throwable> a);
890		public abstract <T,U> CompletableFuture<Void> runAfterBoth
891		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
892		public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
#	Line 628 | Line 897 | public class CompletableFutureTest exten
897		(CompletableFuture<T> f,
898		CompletionStage<? extends U> g,
899		BiFunction<? super T,? super U,? extends V> a);
900	<	public abstract <T,U> CompletableFuture<U> applyToEither
900	>	public abstract <T> CompletableFuture<Void> runAfterEither
901		(CompletableFuture<T> f,
902	<	CompletionStage<? extends T> g,
903	<	Function<? super T,U> a);
902	>	CompletionStage<?> g,
903	>	java.lang.Runnable a);
904		public abstract <T> CompletableFuture<Void> acceptEither
905		(CompletableFuture<T> f,
906		CompletionStage<? extends T> g,
907		Consumer<? super T> a);
908	<	public abstract <T> CompletableFuture<Void> runAfterEither
908	>	public abstract <T,U> CompletableFuture<U> applyToEither
909		(CompletableFuture<T> f,
910	<	CompletionStage<?> g,
911	<	java.lang.Runnable a);
912	<	public abstract <T,U> CompletableFuture<U> thenCompose
910	>	CompletionStage<? extends T> g,
911	>	Function<? super T,U> a);
912	>	public abstract <T> CompletableFuture<T> exceptionally
913		(CompletableFuture<T> f,
914	<	Function<? super T,? extends CompletionStage<U>> a);
915	<	public abstract <T> CompletableFuture<T> whenComplete
914	>	Function<Throwable, ? extends T> fn);
915	>	public abstract <T> CompletableFuture<T> exceptionallyCompose
916		(CompletableFuture<T> f,
917	<	BiConsumer<? super T,? super Throwable> a);
649	<
650	<
917	>	Function<Throwable, ? extends CompletionStage<T>> fn);
918		}
919
920		/**
921	<	* exceptionally action completes with function value on source
922	<	* exception; otherwise with source value
921	>	* exceptionally action is not invoked when source completes
922	>	* normally, and source result is propagated
923		*/
924	<	public void testExceptionally() {
925	<	CompletableFuture<Integer> f = new CompletableFuture<>();
926	<	ExceptionToInteger r = new ExceptionToInteger();
927	<	CompletableFuture<Integer> g = f.exceptionally(r);
928	<	f.completeExceptionally(new CFException());
929	<	checkCompletedNormally(g, three);
924	>	public void testExceptionally_normalCompletion() {
925	>	for (ExecutionMode m : ExecutionMode.values())
926	>	for (boolean createIncomplete : new boolean[] { true, false })
927	>	for (Integer v1 : new Integer[] { 1, null })
928	>	{
929	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
930	>	if (!createIncomplete) assertTrue(f.complete(v1));
931	>	final CompletableFuture<Integer> g = m.exceptionally
932	>	(f, (Throwable t) -> {
933	>	threadFail("should not be called");
934	>	return null;            // unreached
935	>	});
936	>	if (createIncomplete) assertTrue(f.complete(v1));
937
938	<	f = new CompletableFuture<>();
939	<	r = new ExceptionToInteger();
940	<	g = f.exceptionally(r);
667	<	f.complete(one);
668	<	checkCompletedNormally(g, one);
669	<	}
938	>	checkCompletedNormally(g, v1);
939	>	checkCompletedNormally(f, v1);
940	>	}}
941
942		/**
943	<	* handle action completes normally with function value on either
944	<	* normal or exceptional completion of source
943	>	* exceptionally action completes with function value on source
944	>	* exception
945		*/
946	<	public void testHandle() {
947	<	CompletableFuture<Integer> f, g;
948	<	IntegerHandler r;
949	<
950	<	f = new CompletableFuture<>();
951	<	f.completeExceptionally(new CFException());
952	<	g = f.handle(r = new IntegerHandler());
953	<	assertTrue(r.ran);
954	<	checkCompletedNormally(g, three);
955	<
956	<	f = new CompletableFuture<>();
957	<	g = f.handle(r = new IntegerHandler());
958	<	assertFalse(r.ran);
959	<	f.completeExceptionally(new CFException());
960	<	checkCompletedNormally(g, three);
961	<	assertTrue(r.ran);
962	<
692	<	f = new CompletableFuture<>();
693	<	f.complete(one);
694	<	g = f.handle(r = new IntegerHandler());
695	<	assertTrue(r.ran);
696	<	checkCompletedNormally(g, two);
946	>	public void testExceptionally_exceptionalCompletion() {
947	>	for (ExecutionMode m : ExecutionMode.values())
948	>	for (boolean createIncomplete : new boolean[] { true, false })
949	>	for (Integer v1 : new Integer[] { 1, null })
950	>	{
951	>	final AtomicInteger a = new AtomicInteger(0);
952	>	final CFException ex = new CFException();
953	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
954	>	if (!createIncomplete) f.completeExceptionally(ex);
955	>	final CompletableFuture<Integer> g = m.exceptionally
956	>	(f, (Throwable t) -> {
957	>	m.checkExecutionMode();
958	>	threadAssertSame(t, ex);
959	>	a.getAndIncrement();
960	>	return v1;
961	>	});
962	>	if (createIncomplete) f.completeExceptionally(ex);
963
964	<	f = new CompletableFuture<>();
965	<	g = f.handle(r = new IntegerHandler());
966	<	assertFalse(r.ran);
701	<	f.complete(one);
702	<	assertTrue(r.ran);
703	<	checkCompletedNormally(g, two);
704	<	}
964	>	checkCompletedNormally(g, v1);
965	>	assertEquals(1, a.get());
966	>	}}
967
968		/**
969	<	* runAsync completes after running Runnable
969	>	* If an "exceptionally action" throws an exception, it completes
970	>	* exceptionally with that exception
971		*/
972	<	public void testRunAsync() {
973	<	Noop r = new Noop();
974	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
975	<	assertNull(f.join());
976	<	assertTrue(r.ran);
977	<	checkCompletedNormally(f, null);
978	<	}
972	>	public void testExceptionally_exceptionalCompletionActionFailed() {
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 ex1 = new CFException();
978	>	final CFException ex2 = new CFException();
979	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
980	>	if (!createIncomplete) f.completeExceptionally(ex1);
981	>	final CompletableFuture<Integer> g = m.exceptionally
982	>	(f, (Throwable t) -> {
983	>	m.checkExecutionMode();
984	>	threadAssertSame(t, ex1);
985	>	a.getAndIncrement();
986	>	throw ex2;
987	>	});
988	>	if (createIncomplete) f.completeExceptionally(ex1);
989	>
990	>	checkCompletedWithWrappedException(g, ex2);
991	>	checkCompletedExceptionally(f, ex1);
992	>	assertEquals(1, a.get());
993	>	}}
994
995		/**
996	<	* runAsync with executor completes after running Runnable
996	>	* whenComplete action executes on normal completion, propagating
997	>	* source result.
998		*/
999	<	public void testRunAsync2() {
1000	<	Noop r = new Noop();
1001	<	ThreadExecutor exec = new ThreadExecutor();
1002	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
1003	<	assertNull(f.join());
1004	<	assertTrue(r.ran);
1005	<	checkCompletedNormally(f, null);
1006	<	assertEquals(1, exec.count.get());
1007	<	}
999	>	public void testWhenComplete_normalCompletion() {
1000	>	for (ExecutionMode m : ExecutionMode.values())
1001	>	for (boolean createIncomplete : new boolean[] { true, false })
1002	>	for (Integer v1 : new Integer[] { 1, null })
1003	>	{
1004	>	final AtomicInteger a = new AtomicInteger(0);
1005	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1006	>	if (!createIncomplete) assertTrue(f.complete(v1));
1007	>	final CompletableFuture<Integer> g = m.whenComplete
1008	>	(f,
1009	>	(Integer result, Throwable t) -> {
1010	>	m.checkExecutionMode();
1011	>	threadAssertSame(result, v1);
1012	>	threadAssertNull(t);
1013	>	a.getAndIncrement();
1014	>	});
1015	>	if (createIncomplete) assertTrue(f.complete(v1));
1016
1017	<	/**
1018	<	* failing runAsync completes exceptionally after running Runnable
1019	<	*/
1020	<	public void testRunAsync3() {
734	<	FailingNoop r = new FailingNoop();
735	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
736	<	checkCompletedWithWrappedCFException(f);
737	<	assertTrue(r.ran);
738	<	}
1017	>	checkCompletedNormally(g, v1);
1018	>	checkCompletedNormally(f, v1);
1019	>	assertEquals(1, a.get());
1020	>	}}
1021
1022		/**
1023	<	* supplyAsync completes with result of supplier
1023	>	* whenComplete action executes on exceptional completion, propagating
1024	>	* source result.
1025		*/
1026	<	public void testSupplyAsync() {
1027	<	CompletableFuture<Integer> f;
1028	<	f = CompletableFuture.supplyAsync(supplyOne);
1029	<	assertEquals(f.join(), one);
1030	<	checkCompletedNormally(f, one);
1031	<	}
1026	>	public void testWhenComplete_exceptionalCompletion() {
1027	>	for (ExecutionMode m : ExecutionMode.values())
1028	>	for (boolean createIncomplete : new boolean[] { true, false })
1029	>	{
1030	>	final AtomicInteger a = new AtomicInteger(0);
1031	>	final CFException ex = new CFException();
1032	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1033	>	if (!createIncomplete) f.completeExceptionally(ex);
1034	>	final CompletableFuture<Integer> g = m.whenComplete
1035	>	(f,
1036	>	(Integer result, Throwable t) -> {
1037	>	m.checkExecutionMode();
1038	>	threadAssertNull(result);
1039	>	threadAssertSame(t, ex);
1040	>	a.getAndIncrement();
1041	>	});
1042	>	if (createIncomplete) f.completeExceptionally(ex);
1043	>
1044	>	checkCompletedWithWrappedException(g, ex);
1045	>	checkCompletedExceptionally(f, ex);
1046	>	assertEquals(1, a.get());
1047	>	}}
1048
1049		/**
1050	<	* supplyAsync with executor completes with result of supplier
1050	>	* whenComplete action executes on cancelled source, propagating
1051	>	* CancellationException.
1052		*/
1053	<	public void testSupplyAsync2() {
1054	<	CompletableFuture<Integer> f;
1055	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1056	<	assertEquals(f.join(), one);
1057	<	checkCompletedNormally(f, one);
1058	<	}
1053	>	public void testWhenComplete_sourceCancelled() {
1054	>	for (ExecutionMode m : ExecutionMode.values())
1055	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1056	>	for (boolean createIncomplete : new boolean[] { true, false })
1057	>	{
1058	>	final AtomicInteger a = new AtomicInteger(0);
1059	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1060	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1061	>	final CompletableFuture<Integer> g = m.whenComplete
1062	>	(f,
1063	>	(Integer result, Throwable t) -> {
1064	>	m.checkExecutionMode();
1065	>	threadAssertNull(result);
1066	>	threadAssertTrue(t instanceof CancellationException);
1067	>	a.getAndIncrement();
1068	>	});
1069	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1070	>
1071	>	checkCompletedWithWrappedCancellationException(g);
1072	>	checkCancelled(f);
1073	>	assertEquals(1, a.get());
1074	>	}}
1075
1076		/**
1077	<	* Failing supplyAsync completes exceptionally
1077	>	* If a whenComplete action throws an exception when triggered by
1078	>	* a normal completion, it completes exceptionally
1079		*/
1080	<	public void testSupplyAsync3() {
1081	<	FailingSupplier r = new FailingSupplier();
1082	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1083	<	checkCompletedWithWrappedCFException(f);
1084	<	assertTrue(r.ran);
1085	<	}
1080	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1081	>	for (boolean createIncomplete : new boolean[] { true, false })
1082	>	for (ExecutionMode m : ExecutionMode.values())
1083	>	for (Integer v1 : new Integer[] { 1, null })
1084	>	{
1085	>	final AtomicInteger a = new AtomicInteger(0);
1086	>	final CFException ex = new CFException();
1087	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1088	>	if (!createIncomplete) assertTrue(f.complete(v1));
1089	>	final CompletableFuture<Integer> g = m.whenComplete
1090	>	(f,
1091	>	(Integer result, Throwable t) -> {
1092	>	m.checkExecutionMode();
1093	>	threadAssertSame(result, v1);
1094	>	threadAssertNull(t);
1095	>	a.getAndIncrement();
1096	>	throw ex;
1097	>	});
1098	>	if (createIncomplete) assertTrue(f.complete(v1));
1099
1100	<	// seq completion methods
1100	>	checkCompletedWithWrappedException(g, ex);
1101	>	checkCompletedNormally(f, v1);
1102	>	assertEquals(1, a.get());
1103	>	}}
1104
1105		/**
1106	<	* thenRun result completes normally after normal completion of source
1106	>	* If a whenComplete action throws an exception when triggered by
1107	>	* a source completion that also throws an exception, the source
1108	>	* exception takes precedence (unlike handle)
1109		*/
1110	<	public void testThenRun() {
1111	<	CompletableFuture<Integer> f;
1112	<	CompletableFuture<Void> g;
1113	<	Noop r;
1114	<
1115	<	f = new CompletableFuture<>();
1116	<	g = f.thenRun(r = new Noop());
1117	<	f.complete(null);
1118	<	checkCompletedNormally(g, null);
1119	<	assertTrue(r.ran);
1120	<
1121	<	f = new CompletableFuture<>();
1122	<	f.complete(null);
1123	<	g = f.thenRun(r = new Noop());
1124	<	checkCompletedNormally(g, null);
1125	<	assertTrue(r.ran);
1126	<	}
1110	>	public void testWhenComplete_sourceFailedActionFailed() {
1111	>	for (boolean createIncomplete : new boolean[] { true, false })
1112	>	for (ExecutionMode m : ExecutionMode.values())
1113	>	{
1114	>	final AtomicInteger a = new AtomicInteger(0);
1115	>	final CFException ex1 = new CFException();
1116	>	final CFException ex2 = new CFException();
1117	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	>
1119	>	if (!createIncomplete) f.completeExceptionally(ex1);
1120	>	final CompletableFuture<Integer> g = m.whenComplete
1121	>	(f,
1122	>	(Integer result, Throwable t) -> {
1123	>	m.checkExecutionMode();
1124	>	threadAssertSame(t, ex1);
1125	>	threadAssertNull(result);
1126	>	a.getAndIncrement();
1127	>	throw ex2;
1128	>	});
1129	>	if (createIncomplete) f.completeExceptionally(ex1);
1130	>
1131	>	checkCompletedWithWrappedException(g, ex1);
1132	>	checkCompletedExceptionally(f, ex1);
1133	>	if (testImplementationDetails) {
1134	>	assertEquals(1, ex1.getSuppressed().length);
1135	>	assertSame(ex2, ex1.getSuppressed()[0]);
1136	>	}
1137	>	assertEquals(1, a.get());
1138	>	}}
1139
1140		/**
1141	<	* thenRun result completes exceptionally after exceptional
1141	>	* handle action completes normally with function value on normal
1142		* completion of source
1143		*/
1144	<	public void testThenRun2() {
1145	<	CompletableFuture<Integer> f;
1146	<	CompletableFuture<Void> g;
1147	<	Noop r;
1148	<
1149	<	f = new CompletableFuture<>();
1150	<	g = f.thenRun(r = new Noop());
1151	<	f.completeExceptionally(new CFException());
1152	<	checkCompletedWithWrappedCFException(g);
1153	<	assertFalse(r.ran);
1144	>	public void testHandle_normalCompletion() {
1145	>	for (ExecutionMode m : ExecutionMode.values())
1146	>	for (boolean createIncomplete : new boolean[] { true, false })
1147	>	for (Integer v1 : new Integer[] { 1, null })
1148	>	{
1149	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1150	>	final AtomicInteger a = new AtomicInteger(0);
1151	>	if (!createIncomplete) assertTrue(f.complete(v1));
1152	>	final CompletableFuture<Integer> g = m.handle
1153	>	(f,
1154	>	(Integer result, Throwable t) -> {
1155	>	m.checkExecutionMode();
1156	>	threadAssertSame(result, v1);
1157	>	threadAssertNull(t);
1158	>	a.getAndIncrement();
1159	>	return inc(v1);
1160	>	});
1161	>	if (createIncomplete) assertTrue(f.complete(v1));
1162
1163	<	f = new CompletableFuture<>();
1164	<	f.completeExceptionally(new CFException());
1165	<	g = f.thenRun(r = new Noop());
1166	<	checkCompletedWithWrappedCFException(g);
812	<	assertFalse(r.ran);
813	<	}
1163	>	checkCompletedNormally(g, inc(v1));
1164	>	checkCompletedNormally(f, v1);
1165	>	assertEquals(1, a.get());
1166	>	}}
1167
1168		/**
1169	<	* thenRun result completes exceptionally if action does
1169	>	* handle action completes normally with function value on
1170	>	* exceptional completion of source
1171		*/
1172	<	public void testThenRun3() {
1173	<	CompletableFuture<Integer> f;
1174	<	CompletableFuture<Void> g;
1175	<	FailingNoop r;
1176	<
1177	<	f = new CompletableFuture<>();
1178	<	g = f.thenRun(r = new FailingNoop());
1179	<	f.complete(null);
1180	<	checkCompletedWithWrappedCFException(g);
1172	>	public void testHandle_exceptionalCompletion() {
1173	>	for (ExecutionMode m : ExecutionMode.values())
1174	>	for (boolean createIncomplete : new boolean[] { true, false })
1175	>	for (Integer v1 : new Integer[] { 1, null })
1176	>	{
1177	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1178	>	final AtomicInteger a = new AtomicInteger(0);
1179	>	final CFException ex = new CFException();
1180	>	if (!createIncomplete) f.completeExceptionally(ex);
1181	>	final CompletableFuture<Integer> g = m.handle
1182	>	(f,
1183	>	(Integer result, Throwable t) -> {
1184	>	m.checkExecutionMode();
1185	>	threadAssertNull(result);
1186	>	threadAssertSame(t, ex);
1187	>	a.getAndIncrement();
1188	>	return v1;
1189	>	});
1190	>	if (createIncomplete) f.completeExceptionally(ex);
1191
1192	<	f = new CompletableFuture<>();
1193	<	f.complete(null);
1194	<	g = f.thenRun(r = new FailingNoop());
1195	<	checkCompletedWithWrappedCFException(g);
832	<	}
1192	>	checkCompletedNormally(g, v1);
1193	>	checkCompletedExceptionally(f, ex);
1194	>	assertEquals(1, a.get());
1195	>	}}
1196
1197		/**
1198	<	* thenRun result completes exceptionally if source cancelled
1198	>	* handle action completes normally with function value on
1199	>	* cancelled source
1200		*/
1201	<	public void testThenRun4() {
1202	<	CompletableFuture<Integer> f;
1203	<	CompletableFuture<Void> g;
1204	<	Noop r;
1205	<
1206	<	f = new CompletableFuture<>();
1207	<	g = f.thenRun(r = new Noop());
1208	<	assertTrue(f.cancel(true));
1209	<	checkCompletedWithWrappedCancellationException(g);
1201	>	public void testHandle_sourceCancelled() {
1202	>	for (ExecutionMode m : ExecutionMode.values())
1203	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1204	>	for (boolean createIncomplete : new boolean[] { true, false })
1205	>	for (Integer v1 : new Integer[] { 1, null })
1206	>	{
1207	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1208	>	final AtomicInteger a = new AtomicInteger(0);
1209	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1210	>	final CompletableFuture<Integer> g = m.handle
1211	>	(f,
1212	>	(Integer result, Throwable t) -> {
1213	>	m.checkExecutionMode();
1214	>	threadAssertNull(result);
1215	>	threadAssertTrue(t instanceof CancellationException);
1216	>	a.getAndIncrement();
1217	>	return v1;
1218	>	});
1219	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1220
1221	<	f = new CompletableFuture<>();
1222	<	assertTrue(f.cancel(true));
1223	<	g = f.thenRun(r = new Noop());
1224	<	checkCompletedWithWrappedCancellationException(g);
851	<	}
1221	>	checkCompletedNormally(g, v1);
1222	>	checkCancelled(f);
1223	>	assertEquals(1, a.get());
1224	>	}}
1225
1226		/**
1227	<	* thenApply result completes normally after normal completion of source
1227	>	* If a "handle action" throws an exception when triggered by
1228	>	* a normal completion, it completes exceptionally
1229		*/
1230	<	public void testThenApply() {
1231	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1232	<	CompletableFuture<Integer> g = f.thenApply(inc);
1233	<	f.complete(one);
1234	<	checkCompletedNormally(g, two);
1235	<	}
1230	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1231	>	for (ExecutionMode m : ExecutionMode.values())
1232	>	for (boolean createIncomplete : new boolean[] { true, false })
1233	>	for (Integer v1 : new Integer[] { 1, null })
1234	>	{
1235	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1236	>	final AtomicInteger a = new AtomicInteger(0);
1237	>	final CFException ex = new CFException();
1238	>	if (!createIncomplete) assertTrue(f.complete(v1));
1239	>	final CompletableFuture<Integer> g = m.handle
1240	>	(f,
1241	>	(Integer result, Throwable t) -> {
1242	>	m.checkExecutionMode();
1243	>	threadAssertSame(result, v1);
1244	>	threadAssertNull(t);
1245	>	a.getAndIncrement();
1246	>	throw ex;
1247	>	});
1248	>	if (createIncomplete) assertTrue(f.complete(v1));
1249
1250	<	/**
1251	<	* thenApply result completes exceptionally after exceptional
1252	<	* completion of source
1253	<	*/
867	<	public void testThenApply2() {
868	<	CompletableFuture<Integer> f = new CompletableFuture<>();
869	<	CompletableFuture<Integer> g = f.thenApply(inc);
870	<	f.completeExceptionally(new CFException());
871	<	checkCompletedWithWrappedCFException(g);
872	<	}
1250	>	checkCompletedWithWrappedException(g, ex);
1251	>	checkCompletedNormally(f, v1);
1252	>	assertEquals(1, a.get());
1253	>	}}
1254
1255		/**
1256	<	* thenApply result completes exceptionally if action does
1257	<	*/
1258	<	public void testThenApply3() {
1259	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1260	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1261	<	f.complete(one);
1262	<	checkCompletedWithWrappedCFException(g);
1263	<	}
1256	>	* If a "handle action" throws an exception when triggered by
1257	>	* a source completion that also throws an exception, the action
1258	>	* exception takes precedence (unlike whenComplete)
1259	>	*/
1260	>	public void testHandle_sourceFailedActionFailed() {
1261	>	for (boolean createIncomplete : new boolean[] { true, false })
1262	>	for (ExecutionMode m : ExecutionMode.values())
1263	>	{
1264	>	final AtomicInteger a = new AtomicInteger(0);
1265	>	final CFException ex1 = new CFException();
1266	>	final CFException ex2 = new CFException();
1267	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1268	>
1269	>	if (!createIncomplete) f.completeExceptionally(ex1);
1270	>	final CompletableFuture<Integer> g = m.handle
1271	>	(f,
1272	>	(Integer result, Throwable t) -> {
1273	>	m.checkExecutionMode();
1274	>	threadAssertNull(result);
1275	>	threadAssertSame(ex1, t);
1276	>	a.getAndIncrement();
1277	>	throw ex2;
1278	>	});
1279	>	if (createIncomplete) f.completeExceptionally(ex1);
1280	>
1281	>	checkCompletedWithWrappedException(g, ex2);
1282	>	checkCompletedExceptionally(f, ex1);
1283	>	assertEquals(1, a.get());
1284	>	}}
1285
1286		/**
1287	<	* thenApply result completes exceptionally if source cancelled
1287	>	* runAsync completes after running Runnable
1288		*/
1289	<	public void testThenApply4() {
1290	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1291	<	CompletableFuture<Integer> g = f.thenApply(inc);
1292	<	assertTrue(f.cancel(true));
1293	<	checkCompletedWithWrappedCancellationException(g);
1294	<	}
1289	>	public void testRunAsync_normalCompletion() {
1290	>	ExecutionMode[] executionModes = {
1291	>	ExecutionMode.ASYNC,
1292	>	ExecutionMode.EXECUTOR,
1293	>	};
1294	>	for (ExecutionMode m : executionModes)
1295	>	{
1296	>	final Noop r = new Noop(m);
1297	>	final CompletableFuture<Void> f = m.runAsync(r);
1298	>	assertNull(f.join());
1299	>	checkCompletedNormally(f, null);
1300	>	r.assertInvoked();
1301	>	}}
1302
1303		/**
1304	<	* thenAccept result completes normally after normal completion of source
1304	>	* failing runAsync completes exceptionally after running Runnable
1305		*/
1306	<	public void testThenAccept() {
1307	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1308	<	IncAction r = new IncAction();
1309	<	CompletableFuture<Void> g = f.thenAccept(r);
1310	<	f.complete(one);
1311	<	checkCompletedNormally(g, null);
1312	<	assertEquals(r.value, (Integer) 2);
1313	<	}
1306	>	public void testRunAsync_exceptionalCompletion() {
1307	>	ExecutionMode[] executionModes = {
1308	>	ExecutionMode.ASYNC,
1309	>	ExecutionMode.EXECUTOR,
1310	>	};
1311	>	for (ExecutionMode m : executionModes)
1312	>	{
1313	>	final FailingRunnable r = new FailingRunnable(m);
1314	>	final CompletableFuture<Void> f = m.runAsync(r);
1315	>	checkCompletedWithWrappedException(f, r.ex);
1316	>	r.assertInvoked();
1317	>	}}
1318	>
1319	>	@SuppressWarnings("FutureReturnValueIgnored")
1320	>	public void testRunAsync_rejectingExecutor() {
1321	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1322	>	try {
1323	>	CompletableFuture.runAsync(() -> {}, e);
1324	>	shouldThrow();
1325	>	} catch (Throwable t) {
1326	>	assertSame(e.ex, t);
1327	>	}
1328
1329	<	/**
907	<	* thenAccept result completes exceptionally after exceptional
908	<	* completion of source
909	<	*/
910	<	public void testThenAccept2() {
911	<	CompletableFuture<Integer> f = new CompletableFuture<>();
912	<	IncAction r = new IncAction();
913	<	CompletableFuture<Void> g = f.thenAccept(r);
914	<	f.completeExceptionally(new CFException());
915	<	checkCompletedWithWrappedCFException(g);
1329	>	assertEquals(1, e.count.get());
1330		}
1331
1332		/**
1333	<	* thenAccept result completes exceptionally if action does
1333	>	* supplyAsync completes with result of supplier
1334		*/
1335	<	public void testThenAccept3() {
1336	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1337	<	FailingConsumer r = new FailingConsumer();
1338	<	CompletableFuture<Void> g = f.thenAccept(r);
1339	<	f.complete(one);
1340	<	checkCompletedWithWrappedCFException(g);
1341	<	assertTrue(r.ran);
1342	<	}
1335	>	public void testSupplyAsync_normalCompletion() {
1336	>	ExecutionMode[] executionModes = {
1337	>	ExecutionMode.ASYNC,
1338	>	ExecutionMode.EXECUTOR,
1339	>	};
1340	>	for (ExecutionMode m : executionModes)
1341	>	for (Integer v1 : new Integer[] { 1, null })
1342	>	{
1343	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1344	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1345	>	assertSame(v1, f.join());
1346	>	checkCompletedNormally(f, v1);
1347	>	r.assertInvoked();
1348	>	}}
1349
1350		/**
1351	<	* thenAccept result completes exceptionally if source cancelled
1351	>	* Failing supplyAsync completes exceptionally
1352		*/
1353	<	public void testThenAccept4() {
1354	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1355	<	IncAction r = new IncAction();
1356	<	CompletableFuture<Void> g = f.thenAccept(r);
1357	<	assertTrue(f.cancel(true));
1358	<	checkCompletedWithWrappedCancellationException(g);
1353	>	public void testSupplyAsync_exceptionalCompletion() {
1354	>	ExecutionMode[] executionModes = {
1355	>	ExecutionMode.ASYNC,
1356	>	ExecutionMode.EXECUTOR,
1357	>	};
1358	>	for (ExecutionMode m : executionModes)
1359	>	{
1360	>	FailingSupplier r = new FailingSupplier(m);
1361	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1362	>	checkCompletedWithWrappedException(f, r.ex);
1363	>	r.assertInvoked();
1364	>	}}
1365	>
1366	>	@SuppressWarnings("FutureReturnValueIgnored")
1367	>	public void testSupplyAsync_rejectingExecutor() {
1368	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1369	>	try {
1370	>	CompletableFuture.supplyAsync(() -> null, e);
1371	>	shouldThrow();
1372	>	} catch (Throwable t) {
1373	>	assertSame(e.ex, t);
1374	>	}
1375	>
1376	>	assertEquals(1, e.count.get());
1377		}
1378
1379	+	// seq completion methods
1380	+
1381		/**
1382	<	* thenCombine result completes normally after normal completion
943	<	* of sources
1382	>	* thenRun result completes normally after normal completion of source
1383		*/
1384	<	public void testThenCombine_normalCompletion1() {
1384	>	public void testThenRun_normalCompletion() {
1385		for (ExecutionMode m : ExecutionMode.values())
1386		for (Integer v1 : new Integer[] { 1, null })
1387	<	for (Integer v2 : new Integer[] { 2, null }) {
949	<
1387	>	{
1388		final CompletableFuture<Integer> f = new CompletableFuture<>();
1389	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1390	<	final SubtractFunction r = new SubtractFunction();
953	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
954	<
955	<	f.complete(v1);
956	<	checkIncomplete(h);
957	<	assertFalse(r.ran());
958	<	g.complete(v2);
1389	>	final Noop[] rs = new Noop[6];
1390	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1391
1392	<	checkCompletedNormally(h, subtract(v1, v2));
1392	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1393	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1394	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1395	>	checkIncomplete(h0);
1396	>	checkIncomplete(h1);
1397	>	checkIncomplete(h2);
1398	>	assertTrue(f.complete(v1));
1399	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1400	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1401	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1402	>
1403	>	checkCompletedNormally(h0, null);
1404	>	checkCompletedNormally(h1, null);
1405	>	checkCompletedNormally(h2, null);
1406	>	checkCompletedNormally(h3, null);
1407	>	checkCompletedNormally(h4, null);
1408	>	checkCompletedNormally(h5, null);
1409		checkCompletedNormally(f, v1);
1410	<	checkCompletedNormally(g, v2);
1411	<	}
964	<	}
1410	>	for (Noop r : rs) r.assertInvoked();
1411	>	}}
1412
1413	<	public void testThenCombine_normalCompletion2() {
1413	>	/**
1414	>	* thenRun result completes exceptionally after exceptional
1415	>	* completion of source
1416	>	*/
1417	>	public void testThenRun_exceptionalCompletion() {
1418		for (ExecutionMode m : ExecutionMode.values())
1419	<	for (Integer v1 : new Integer[] { 1, null })
1420	<	for (Integer v2 : new Integer[] { 2, null }) {
970	<
1419	>	{
1420	>	final CFException ex = new CFException();
1421		final CompletableFuture<Integer> f = new CompletableFuture<>();
1422	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1423	<	final SubtractFunction r = new SubtractFunction();
974	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1422	>	final Noop[] rs = new Noop[6];
1423	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1424
1425	<	g.complete(v2);
1426	<	checkIncomplete(h);
1427	<	assertFalse(r.ran());
1428	<	f.complete(v1);
1429	<
1430	<	checkCompletedNormally(h, subtract(v1, v2));
1431	<	checkCompletedNormally(f, v1);
1432	<	checkCompletedNormally(g, v2);
1433	<	}
1434	<	}
1425	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1426	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1427	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1428	>	checkIncomplete(h0);
1429	>	checkIncomplete(h1);
1430	>	checkIncomplete(h2);
1431	>	assertTrue(f.completeExceptionally(ex));
1432	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1433	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1434	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1435	>
1436	>	checkCompletedWithWrappedException(h0, ex);
1437	>	checkCompletedWithWrappedException(h1, ex);
1438	>	checkCompletedWithWrappedException(h2, ex);
1439	>	checkCompletedWithWrappedException(h3, ex);
1440	>	checkCompletedWithWrappedException(h4, ex);
1441	>	checkCompletedWithWrappedException(h5, ex);
1442	>	checkCompletedExceptionally(f, ex);
1443	>	for (Noop r : rs) r.assertNotInvoked();
1444	>	}}
1445
1446	<	public void testThenCombine_normalCompletion3() {
1446	>	/**
1447	>	* thenRun result completes exceptionally if source cancelled
1448	>	*/
1449	>	public void testThenRun_sourceCancelled() {
1450		for (ExecutionMode m : ExecutionMode.values())
1451	<	for (Integer v1 : new Integer[] { 1, null })
1452	<	for (Integer v2 : new Integer[] { 2, null }) {
991	<
1451	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1452	>	{
1453		final CompletableFuture<Integer> f = new CompletableFuture<>();
1454	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1455	<	final SubtractFunction r = new SubtractFunction();
995	<
996	<	g.complete(v2);
997	<	f.complete(v1);
998	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1454	>	final Noop[] rs = new Noop[6];
1455	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1456
1457	<	checkCompletedNormally(h, subtract(v1, v2));
1458	<	checkCompletedNormally(f, v1);
1459	<	checkCompletedNormally(g, v2);
1460	<	}
1461	<	}
1457	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1458	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1459	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1460	>	checkIncomplete(h0);
1461	>	checkIncomplete(h1);
1462	>	checkIncomplete(h2);
1463	>	assertTrue(f.cancel(mayInterruptIfRunning));
1464	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1465	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1466	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1467	>
1468	>	checkCompletedWithWrappedCancellationException(h0);
1469	>	checkCompletedWithWrappedCancellationException(h1);
1470	>	checkCompletedWithWrappedCancellationException(h2);
1471	>	checkCompletedWithWrappedCancellationException(h3);
1472	>	checkCompletedWithWrappedCancellationException(h4);
1473	>	checkCompletedWithWrappedCancellationException(h5);
1474	>	checkCancelled(f);
1475	>	for (Noop r : rs) r.assertNotInvoked();
1476	>	}}
1477
1478	<	public void testThenCombine_normalCompletion4() {
1478	>	/**
1479	>	* thenRun result completes exceptionally if action does
1480	>	*/
1481	>	public void testThenRun_actionFailed() {
1482		for (ExecutionMode m : ExecutionMode.values())
1483		for (Integer v1 : new Integer[] { 1, null })
1484	<	for (Integer v2 : new Integer[] { 2, null }) {
1010	<
1484	>	{
1485		final CompletableFuture<Integer> f = new CompletableFuture<>();
1486	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1487	<	final SubtractFunction r = new SubtractFunction();
1486	>	final FailingRunnable[] rs = new FailingRunnable[6];
1487	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1488
1489	<	f.complete(v1);
1490	<	g.complete(v2);
1491	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1492	<
1493	<	checkCompletedNormally(h, subtract(v1, v2));
1489	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1490	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1491	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1492	>	assertTrue(f.complete(v1));
1493	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1494	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1495	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1496	>
1497	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1498	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1499	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1500	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1501	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1502	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1503		checkCompletedNormally(f, v1);
1504	<	checkCompletedNormally(g, v2);
1022	<	}
1023	<	}
1504	>	}}
1505
1506		/**
1507	<	* thenCombine result completes exceptionally after exceptional
1027	<	* completion of either source
1507	>	* thenApply result completes normally after normal completion of source
1508		*/
1509	<	public void testThenCombine_exceptionalCompletion1() {
1030	<	for (ExecutionMode m : ExecutionMode.values())
1031	<	for (Integer v1 : new Integer[] { 1, null }) {
1032	<
1033	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1034	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1035	<	final SubtractFunction r = new SubtractFunction();
1036	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1037	<	final CFException ex = new CFException();
1038	<
1039	<	f.completeExceptionally(ex);
1040	<	checkIncomplete(h);
1041	<	g.complete(v1);
1042	<
1043	<	checkCompletedWithWrappedCFException(h, ex);
1044	<	checkCompletedWithWrappedCFException(f, ex);
1045	<	assertFalse(r.ran());
1046	<	checkCompletedNormally(g, v1);
1047	<	}
1048	<	}
1049	<
1050	<	public void testThenCombine_exceptionalCompletion2() {
1509	>	public void testThenApply_normalCompletion() {
1510		for (ExecutionMode m : ExecutionMode.values())
1511	<	for (Integer v1 : new Integer[] { 1, null }) {
1512	<
1511	>	for (Integer v1 : new Integer[] { 1, null })
1512	>	{
1513		final CompletableFuture<Integer> f = new CompletableFuture<>();
1514	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1515	<	final SubtractFunction r = new SubtractFunction();
1057	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1058	<	final CFException ex = new CFException();
1059	<
1060	<	g.completeExceptionally(ex);
1061	<	checkIncomplete(h);
1062	<	f.complete(v1);
1514	>	final IncFunction[] rs = new IncFunction[4];
1515	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1516
1517	<	checkCompletedWithWrappedCFException(h, ex);
1518	<	checkCompletedWithWrappedCFException(g, ex);
1519	<	assertFalse(r.ran());
1517	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1518	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1519	>	checkIncomplete(h0);
1520	>	checkIncomplete(h1);
1521	>	assertTrue(f.complete(v1));
1522	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1523	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1524	>
1525	>	checkCompletedNormally(h0, inc(v1));
1526	>	checkCompletedNormally(h1, inc(v1));
1527	>	checkCompletedNormally(h2, inc(v1));
1528	>	checkCompletedNormally(h3, inc(v1));
1529		checkCompletedNormally(f, v1);
1530	<	}
1531	<	}
1530	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1531	>	}}
1532
1533	<	public void testThenCombine_exceptionalCompletion3() {
1533	>	/**
1534	>	* thenApply result completes exceptionally after exceptional
1535	>	* completion of source
1536	>	*/
1537	>	public void testThenApply_exceptionalCompletion() {
1538		for (ExecutionMode m : ExecutionMode.values())
1539	<	for (Integer v1 : new Integer[] { 1, null }) {
1074	<
1075	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1076	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1077	<	final SubtractFunction r = new SubtractFunction();
1539	>	{
1540		final CFException ex = new CFException();
1541	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1542	+	final IncFunction[] rs = new IncFunction[4];
1543	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1544
1545	<	g.completeExceptionally(ex);
1546	<	f.complete(v1);
1547	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1548	<
1549	<	checkCompletedWithWrappedCFException(h, ex);
1550	<	checkCompletedWithWrappedCFException(g, ex);
1551	<	assertFalse(r.ran());
1552	<	checkCompletedNormally(f, v1);
1553	<	}
1554	<	}
1545	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1546	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1547	>	assertTrue(f.completeExceptionally(ex));
1548	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1549	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1550	>
1551	>	checkCompletedWithWrappedException(h0, ex);
1552	>	checkCompletedWithWrappedException(h1, ex);
1553	>	checkCompletedWithWrappedException(h2, ex);
1554	>	checkCompletedWithWrappedException(h3, ex);
1555	>	checkCompletedExceptionally(f, ex);
1556	>	for (IncFunction r : rs) r.assertNotInvoked();
1557	>	}}
1558
1559	<	public void testThenCombine_exceptionalCompletion4() {
1559	>	/**
1560	>	* thenApply result completes exceptionally if source cancelled
1561	>	*/
1562	>	public void testThenApply_sourceCancelled() {
1563		for (ExecutionMode m : ExecutionMode.values())
1564	<	for (Integer v1 : new Integer[] { 1, null }) {
1565	<
1564	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1565	>	{
1566		final CompletableFuture<Integer> f = new CompletableFuture<>();
1567	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1568	<	final SubtractFunction r = new SubtractFunction();
1098	<	final CFException ex = new CFException();
1567	>	final IncFunction[] rs = new IncFunction[4];
1568	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1569
1570	<	f.completeExceptionally(ex);
1571	<	g.complete(v1);
1572	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1570	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1571	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1572	>	assertTrue(f.cancel(mayInterruptIfRunning));
1573	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1574	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1575
1576	<	checkCompletedWithWrappedCFException(h, ex);
1577	<	checkCompletedWithWrappedCFException(f, ex);
1578	<	assertFalse(r.ran());
1579	<	checkCompletedNormally(g, v1);
1580	<	}
1581	<	}
1576	>	checkCompletedWithWrappedCancellationException(h0);
1577	>	checkCompletedWithWrappedCancellationException(h1);
1578	>	checkCompletedWithWrappedCancellationException(h2);
1579	>	checkCompletedWithWrappedCancellationException(h3);
1580	>	checkCancelled(f);
1581	>	for (IncFunction r : rs) r.assertNotInvoked();
1582	>	}}
1583
1584		/**
1585	<	* thenCombine result completes exceptionally if action does
1585	>	* thenApply result completes exceptionally if action does
1586		*/
1587	<	public void testThenCombine_actionFailed1() {
1587	>	public void testThenApply_actionFailed() {
1588		for (ExecutionMode m : ExecutionMode.values())
1589		for (Integer v1 : new Integer[] { 1, null })
1590	<	for (Integer v2 : new Integer[] { 2, null }) {
1118	<
1590	>	{
1591		final CompletableFuture<Integer> f = new CompletableFuture<>();
1592	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1593	<	final FailingBiFunction r = new FailingBiFunction();
1122	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1123	<
1124	<	f.complete(v1);
1125	<	checkIncomplete(h);
1126	<	g.complete(v2);
1592	>	final FailingFunction[] rs = new FailingFunction[4];
1593	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1594
1595	<	checkCompletedWithWrappedCFException(h);
1595	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1596	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1597	>	assertTrue(f.complete(v1));
1598	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1599	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1600	>
1601	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1602	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1603	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1604	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1605		checkCompletedNormally(f, v1);
1606	<	checkCompletedNormally(g, v2);
1131	<	}
1132	<	}
1606	>	}}
1607
1608	<	public void testThenCombine_actionFailed2() {
1608	>	/**
1609	>	* thenAccept result completes normally after normal completion of source
1610	>	*/
1611	>	public void testThenAccept_normalCompletion() {
1612		for (ExecutionMode m : ExecutionMode.values())
1613		for (Integer v1 : new Integer[] { 1, null })
1614	<	for (Integer v2 : new Integer[] { 2, null }) {
1138	<
1614	>	{
1615		final CompletableFuture<Integer> f = new CompletableFuture<>();
1616	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1617	<	final FailingBiFunction r = new FailingBiFunction();
1142	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1616	>	final NoopConsumer[] rs = new NoopConsumer[4];
1617	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1618
1619	<	g.complete(v2);
1620	<	checkIncomplete(h);
1621	<	f.complete(v1);
1622	<
1623	<	checkCompletedWithWrappedCFException(h);
1619	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1620	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1621	>	checkIncomplete(h0);
1622	>	checkIncomplete(h1);
1623	>	assertTrue(f.complete(v1));
1624	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1625	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1626	>
1627	>	checkCompletedNormally(h0, null);
1628	>	checkCompletedNormally(h1, null);
1629	>	checkCompletedNormally(h2, null);
1630	>	checkCompletedNormally(h3, null);
1631		checkCompletedNormally(f, v1);
1632	<	checkCompletedNormally(g, v2);
1633	<	}
1152	<	}
1632	>	for (NoopConsumer r : rs) r.assertValue(v1);
1633	>	}}
1634
1635		/**
1636	<	* thenCombine result completes exceptionally if either source cancelled
1636	>	* thenAccept result completes exceptionally after exceptional
1637	>	* completion of source
1638		*/
1639	<	public void testThenCombine_sourceCancelled1() {
1639	>	public void testThenAccept_exceptionalCompletion() {
1640		for (ExecutionMode m : ExecutionMode.values())
1641	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1642	<	for (Integer v1 : new Integer[] { 1, null }) {
1161	<
1641	>	{
1642	>	final CFException ex = new CFException();
1643		final CompletableFuture<Integer> f = new CompletableFuture<>();
1644	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1645	<	final SubtractFunction r = new SubtractFunction();
1165	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1166	<
1167	<	assertTrue(f.cancel(mayInterruptIfRunning));
1168	<	checkIncomplete(h);
1169	<	g.complete(v1);
1644	>	final NoopConsumer[] rs = new NoopConsumer[4];
1645	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1646
1647	<	checkCompletedWithWrappedCancellationException(h);
1648	<	checkCancelled(f);
1649	<	assertFalse(r.ran());
1650	<	checkCompletedNormally(g, v1);
1651	<	}
1652	<	}
1647	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1648	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1649	>	assertTrue(f.completeExceptionally(ex));
1650	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1651	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1652	>
1653	>	checkCompletedWithWrappedException(h0, ex);
1654	>	checkCompletedWithWrappedException(h1, ex);
1655	>	checkCompletedWithWrappedException(h2, ex);
1656	>	checkCompletedWithWrappedException(h3, ex);
1657	>	checkCompletedExceptionally(f, ex);
1658	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1659	>	}}
1660
1661	<	public void testThenCombine_sourceCancelled2() {
1661	>	/**
1662	>	* thenAccept result completes exceptionally if source cancelled
1663	>	*/
1664	>	public void testThenAccept_sourceCancelled() {
1665		for (ExecutionMode m : ExecutionMode.values())
1666		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1667	<	for (Integer v1 : new Integer[] { 1, null }) {
1182	<
1667	>	{
1668		final CompletableFuture<Integer> f = new CompletableFuture<>();
1669	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1670	<	final SubtractFunction r = new SubtractFunction();
1186	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1669	>	final NoopConsumer[] rs = new NoopConsumer[4];
1670	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1671
1672	<	assertTrue(g.cancel(mayInterruptIfRunning));
1673	<	checkIncomplete(h);
1674	<	f.complete(v1);
1672	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1673	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1674	>	assertTrue(f.cancel(mayInterruptIfRunning));
1675	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1676	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1677
1678	<	checkCompletedWithWrappedCancellationException(h);
1679	<	checkCancelled(g);
1680	<	assertFalse(r.ran());
1681	<	checkCompletedNormally(f, v1);
1682	<	}
1683	<	}
1678	>	checkCompletedWithWrappedCancellationException(h0);
1679	>	checkCompletedWithWrappedCancellationException(h1);
1680	>	checkCompletedWithWrappedCancellationException(h2);
1681	>	checkCompletedWithWrappedCancellationException(h3);
1682	>	checkCancelled(f);
1683	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1684	>	}}
1685
1686	<	public void testThenCombine_sourceCancelled3() {
1686	>	/**
1687	>	* thenAccept result completes exceptionally if action does
1688	>	*/
1689	>	public void testThenAccept_actionFailed() {
1690		for (ExecutionMode m : ExecutionMode.values())
1691	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1692	<	for (Integer v1 : new Integer[] { 1, null }) {
1203	<
1691	>	for (Integer v1 : new Integer[] { 1, null })
1692	>	{
1693		final CompletableFuture<Integer> f = new CompletableFuture<>();
1694	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1695	<	final SubtractFunction r = new SubtractFunction();
1207	<
1208	<	assertTrue(g.cancel(mayInterruptIfRunning));
1209	<	f.complete(v1);
1210	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1694	>	final FailingConsumer[] rs = new FailingConsumer[4];
1695	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1696
1697	<	checkCompletedWithWrappedCancellationException(h);
1698	<	checkCancelled(g);
1699	<	assertFalse(r.ran());
1697	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1698	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1699	>	assertTrue(f.complete(v1));
1700	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1701	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1702	>
1703	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1704	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1705	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1706	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1707		checkCompletedNormally(f, v1);
1708	<	}
1217	<	}
1708	>	}}
1709
1710	<	public void testThenCombine_sourceCancelled4() {
1710	>	/**
1711	>	* thenCombine result completes normally after normal completion
1712	>	* of sources
1713	>	*/
1714	>	public void testThenCombine_normalCompletion() {
1715		for (ExecutionMode m : ExecutionMode.values())
1716	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1717	<	for (Integer v1 : new Integer[] { 1, null }) {
1718	<
1716	>	for (boolean fFirst : new boolean[] { true, false })
1717	>	for (Integer v1 : new Integer[] { 1, null })
1718	>	for (Integer v2 : new Integer[] { 2, null })
1719	>	{
1720		final CompletableFuture<Integer> f = new CompletableFuture<>();
1721		final CompletableFuture<Integer> g = new CompletableFuture<>();
1722	<	final SubtractFunction r = new SubtractFunction();
1722	>	final SubtractFunction[] rs = new SubtractFunction[6];
1723	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1724
1725	<	assertTrue(f.cancel(mayInterruptIfRunning));
1726	<	g.complete(v1);
1727	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1725	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1726	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1727	>	final Integer w1 =  fFirst ? v1 : v2;
1728	>	final Integer w2 = !fFirst ? v1 : v2;
1729	>
1730	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1731	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1732	>	assertTrue(fst.complete(w1));
1733	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1734	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1735	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1736	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1737	>	checkCompletedNormally(h1, subtract(w1, w1));
1738	>	checkCompletedNormally(h3, subtract(w1, w1));
1739	>	rs[1].assertValue(subtract(w1, w1));
1740	>	rs[3].assertValue(subtract(w1, w1));
1741	>	assertTrue(snd.complete(w2));
1742	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1743	>
1744	>	checkCompletedNormally(h0, subtract(v1, v2));
1745	>	checkCompletedNormally(h2, subtract(v1, v2));
1746	>	checkCompletedNormally(h4, subtract(v1, v2));
1747	>	rs[0].assertValue(subtract(v1, v2));
1748	>	rs[2].assertValue(subtract(v1, v2));
1749	>	rs[4].assertValue(subtract(v1, v2));
1750
1751	<	checkCompletedWithWrappedCancellationException(h);
1752	<	checkCancelled(f);
1753	<	assertFalse(r.ran());
1235	<	checkCompletedNormally(g, v1);
1236	<	}
1237	<	}
1751	>	checkCompletedNormally(f, v1);
1752	>	checkCompletedNormally(g, v2);
1753	>	}}
1754
1755		/**
1756	<	* thenAcceptBoth result completes normally after normal
1757	<	* completion of sources
1756	>	* thenCombine result completes exceptionally after exceptional
1757	>	* completion of either source
1758		*/
1759	<	public void testThenAcceptBoth_normalCompletion1() {
1759	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1760		for (ExecutionMode m : ExecutionMode.values())
1761	+	for (boolean fFirst : new boolean[] { true, false })
1762	+	for (boolean failFirst : new boolean[] { true, false })
1763		for (Integer v1 : new Integer[] { 1, null })
1764	<	for (Integer v2 : new Integer[] { 2, null }) {
1247	<
1764	>	{
1765		final CompletableFuture<Integer> f = new CompletableFuture<>();
1766		final CompletableFuture<Integer> g = new CompletableFuture<>();
1767	<	final SubtractAction r = new SubtractAction();
1768	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1769	<
1770	<	f.complete(v1);
1771	<	checkIncomplete(h);
1772	<	assertFalse(r.ran());
1773	<	g.complete(v2);
1774	<
1775	<	checkCompletedNormally(h, null);
1776	<	assertEquals(r.value, subtract(v1, v2));
1777	<	checkCompletedNormally(f, v1);
1778	<	checkCompletedNormally(g, v2);
1779	<	}
1780	<	}
1767	>	final CFException ex = new CFException();
1768	>	final SubtractFunction r1 = new SubtractFunction(m);
1769	>	final SubtractFunction r2 = new SubtractFunction(m);
1770	>	final SubtractFunction r3 = new SubtractFunction(m);
1771	>
1772	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1773	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1774	>	final Callable<Boolean> complete1 = failFirst ?
1775	>	() -> fst.completeExceptionally(ex) :
1776	>	() -> fst.complete(v1);
1777	>	final Callable<Boolean> complete2 = failFirst ?
1778	>	() -> snd.complete(v1) :
1779	>	() -> snd.completeExceptionally(ex);
1780	>
1781	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1782	>	assertTrue(complete1.call());
1783	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1784	>	checkIncomplete(h1);
1785	>	checkIncomplete(h2);
1786	>	assertTrue(complete2.call());
1787	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1788	>
1789	>	checkCompletedWithWrappedException(h1, ex);
1790	>	checkCompletedWithWrappedException(h2, ex);
1791	>	checkCompletedWithWrappedException(h3, ex);
1792	>	r1.assertNotInvoked();
1793	>	r2.assertNotInvoked();
1794	>	r3.assertNotInvoked();
1795	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1796	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1797	>	}}
1798
1799	<	public void testThenAcceptBoth_normalCompletion2() {
1799	>	/**
1800	>	* thenCombine result completes exceptionally if either source cancelled
1801	>	*/
1802	>	public void testThenCombine_sourceCancelled() throws Throwable {
1803		for (ExecutionMode m : ExecutionMode.values())
1804	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1805	+	for (boolean fFirst : new boolean[] { true, false })
1806	+	for (boolean failFirst : new boolean[] { true, false })
1807		for (Integer v1 : new Integer[] { 1, null })
1808	<	for (Integer v2 : new Integer[] { 2, null }) {
1269	<
1808	>	{
1809		final CompletableFuture<Integer> f = new CompletableFuture<>();
1810		final CompletableFuture<Integer> g = new CompletableFuture<>();
1811	<	final SubtractAction r = new SubtractAction();
1812	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1813	<
1814	<	g.complete(v2);
1815	<	checkIncomplete(h);
1816	<	assertFalse(r.ran());
1817	<	f.complete(v1);
1818	<
1819	<	checkCompletedNormally(h, null);
1820	<	assertEquals(r.value, subtract(v1, v2));
1821	<	checkCompletedNormally(f, v1);
1822	<	checkCompletedNormally(g, v2);
1823	<	}
1824	<	}
1811	>	final SubtractFunction r1 = new SubtractFunction(m);
1812	>	final SubtractFunction r2 = new SubtractFunction(m);
1813	>	final SubtractFunction r3 = new SubtractFunction(m);
1814	>
1815	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1816	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1817	>	final Callable<Boolean> complete1 = failFirst ?
1818	>	() -> fst.cancel(mayInterruptIfRunning) :
1819	>	() -> fst.complete(v1);
1820	>	final Callable<Boolean> complete2 = failFirst ?
1821	>	() -> snd.complete(v1) :
1822	>	() -> snd.cancel(mayInterruptIfRunning);
1823	>
1824	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1825	>	assertTrue(complete1.call());
1826	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1827	>	checkIncomplete(h1);
1828	>	checkIncomplete(h2);
1829	>	assertTrue(complete2.call());
1830	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1831	>
1832	>	checkCompletedWithWrappedCancellationException(h1);
1833	>	checkCompletedWithWrappedCancellationException(h2);
1834	>	checkCompletedWithWrappedCancellationException(h3);
1835	>	r1.assertNotInvoked();
1836	>	r2.assertNotInvoked();
1837	>	r3.assertNotInvoked();
1838	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1839	>	checkCancelled(failFirst ? fst : snd);
1840	>	}}
1841
1842	<	public void testThenAcceptBoth_normalCompletion3() {
1842	>	/**
1843	>	* thenCombine result completes exceptionally if action does
1844	>	*/
1845	>	public void testThenCombine_actionFailed() {
1846		for (ExecutionMode m : ExecutionMode.values())
1847	+	for (boolean fFirst : new boolean[] { true, false })
1848		for (Integer v1 : new Integer[] { 1, null })
1849	<	for (Integer v2 : new Integer[] { 2, null }) {
1850	<
1849	>	for (Integer v2 : new Integer[] { 2, null })
1850	>	{
1851		final CompletableFuture<Integer> f = new CompletableFuture<>();
1852		final CompletableFuture<Integer> g = new CompletableFuture<>();
1853	<	final SubtractAction r = new SubtractAction();
1854	<
1855	<	g.complete(v2);
1856	<	f.complete(v1);
1857	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1858	<
1859	<	checkCompletedNormally(h, null);
1860	<	assertEquals(r.value, subtract(v1, v2));
1853	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1854	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1855	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1856	>
1857	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1858	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1859	>	final Integer w1 =  fFirst ? v1 : v2;
1860	>	final Integer w2 = !fFirst ? v1 : v2;
1861	>
1862	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1863	>	assertTrue(fst.complete(w1));
1864	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1865	>	assertTrue(snd.complete(w2));
1866	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1867	>
1868	>	checkCompletedWithWrappedException(h1, r1.ex);
1869	>	checkCompletedWithWrappedException(h2, r2.ex);
1870	>	checkCompletedWithWrappedException(h3, r3.ex);
1871	>	r1.assertInvoked();
1872	>	r2.assertInvoked();
1873	>	r3.assertInvoked();
1874		checkCompletedNormally(f, v1);
1875		checkCompletedNormally(g, v2);
1876	<	}
1305	<	}
1876	>	}}
1877
1878	<	public void testThenAcceptBoth_normalCompletion4() {
1878	>	/**
1879	>	* thenAcceptBoth result completes normally after normal
1880	>	* completion of sources
1881	>	*/
1882	>	public void testThenAcceptBoth_normalCompletion() {
1883		for (ExecutionMode m : ExecutionMode.values())
1884	+	for (boolean fFirst : new boolean[] { true, false })
1885		for (Integer v1 : new Integer[] { 1, null })
1886	<	for (Integer v2 : new Integer[] { 2, null }) {
1887	<
1886	>	for (Integer v2 : new Integer[] { 2, null })
1887	>	{
1888		final CompletableFuture<Integer> f = new CompletableFuture<>();
1889		final CompletableFuture<Integer> g = new CompletableFuture<>();
1890	<	final SubtractAction r = new SubtractAction();
1891	<
1892	<	f.complete(v1);
1893	<	g.complete(v2);
1894	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1895	<
1896	<	checkCompletedNormally(h, null);
1897	<	assertEquals(r.value, subtract(v1, v2));
1890	>	final SubtractAction r1 = new SubtractAction(m);
1891	>	final SubtractAction r2 = new SubtractAction(m);
1892	>	final SubtractAction r3 = new SubtractAction(m);
1893	>
1894	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1895	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1896	>	final Integer w1 =  fFirst ? v1 : v2;
1897	>	final Integer w2 = !fFirst ? v1 : v2;
1898	>
1899	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1900	>	assertTrue(fst.complete(w1));
1901	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1902	>	checkIncomplete(h1);
1903	>	checkIncomplete(h2);
1904	>	r1.assertNotInvoked();
1905	>	r2.assertNotInvoked();
1906	>	assertTrue(snd.complete(w2));
1907	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1908	>
1909	>	checkCompletedNormally(h1, null);
1910	>	checkCompletedNormally(h2, null);
1911	>	checkCompletedNormally(h3, null);
1912	>	r1.assertValue(subtract(v1, v2));
1913	>	r2.assertValue(subtract(v1, v2));
1914	>	r3.assertValue(subtract(v1, v2));
1915		checkCompletedNormally(f, v1);
1916		checkCompletedNormally(g, v2);
1917	<	}
1325	<	}
1917	>	}}
1918
1919		/**
1920		* thenAcceptBoth result completes exceptionally after exceptional
1921		* completion of either source
1922		*/
1923	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1332	<	for (ExecutionMode m : ExecutionMode.values())
1333	<	for (Integer v1 : new Integer[] { 1, null }) {
1334	<
1335	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1336	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1337	<	final SubtractAction r = new SubtractAction();
1338	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1339	<	final CFException ex = new CFException();
1340	<
1341	<	f.completeExceptionally(ex);
1342	<	checkIncomplete(h);
1343	<	g.complete(v1);
1344	<
1345	<	checkCompletedWithWrappedCFException(h, ex);
1346	<	checkCompletedWithWrappedCFException(f, ex);
1347	<	assertFalse(r.ran());
1348	<	checkCompletedNormally(g, v1);
1349	<	}
1350	<	}
1351	<
1352	<	public void testThenAcceptBoth_exceptionalCompletion2() {
1353	<	for (ExecutionMode m : ExecutionMode.values())
1354	<	for (Integer v1 : new Integer[] { 1, null }) {
1355	<
1356	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1357	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1358	<	final SubtractAction r = new SubtractAction();
1359	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1360	<	final CFException ex = new CFException();
1361	<
1362	<	g.completeExceptionally(ex);
1363	<	checkIncomplete(h);
1364	<	f.complete(v1);
1365	<
1366	<	checkCompletedWithWrappedCFException(h, ex);
1367	<	checkCompletedWithWrappedCFException(g, ex);
1368	<	assertFalse(r.ran());
1369	<	checkCompletedNormally(f, v1);
1370	<	}
1371	<	}
1372	<
1373	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1923	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1924		for (ExecutionMode m : ExecutionMode.values())
1925	<	for (Integer v1 : new Integer[] { 1, null }) {
1926	<
1925	>	for (boolean fFirst : new boolean[] { true, false })
1926	>	for (boolean failFirst : new boolean[] { true, false })
1927	>	for (Integer v1 : new Integer[] { 1, null })
1928	>	{
1929		final CompletableFuture<Integer> f = new CompletableFuture<>();
1930		final CompletableFuture<Integer> g = new CompletableFuture<>();
1379	–	final SubtractAction r = new SubtractAction();
1931		final CFException ex = new CFException();
1932	+	final SubtractAction r1 = new SubtractAction(m);
1933	+	final SubtractAction r2 = new SubtractAction(m);
1934	+	final SubtractAction r3 = new SubtractAction(m);
1935	+
1936	+	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1937	+	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1938	+	final Callable<Boolean> complete1 = failFirst ?
1939	+	() -> fst.completeExceptionally(ex) :
1940	+	() -> fst.complete(v1);
1941	+	final Callable<Boolean> complete2 = failFirst ?
1942	+	() -> snd.complete(v1) :
1943	+	() -> snd.completeExceptionally(ex);
1944	+
1945	+	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1946	+	assertTrue(complete1.call());
1947	+	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1948	+	checkIncomplete(h1);
1949	+	checkIncomplete(h2);
1950	+	assertTrue(complete2.call());
1951	+	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1952	+
1953	+	checkCompletedWithWrappedException(h1, ex);
1954	+	checkCompletedWithWrappedException(h2, ex);
1955	+	checkCompletedWithWrappedException(h3, ex);
1956	+	r1.assertNotInvoked();
1957	+	r2.assertNotInvoked();
1958	+	r3.assertNotInvoked();
1959	+	checkCompletedNormally(failFirst ? snd : fst, v1);
1960	+	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1961	+	}}
1962
1963	<	g.completeExceptionally(ex);
1964	<	f.complete(v1);
1965	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1966	<
1386	<	checkCompletedWithWrappedCFException(h, ex);
1387	<	checkCompletedWithWrappedCFException(g, ex);
1388	<	assertFalse(r.ran());
1389	<	checkCompletedNormally(f, v1);
1390	<	}
1391	<	}
1392	<
1393	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1963	>	/**
1964	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1965	>	*/
1966	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1967		for (ExecutionMode m : ExecutionMode.values())
1968	<	for (Integer v1 : new Integer[] { 1, null }) {
1969	<
1968	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1969	>	for (boolean fFirst : new boolean[] { true, false })
1970	>	for (boolean failFirst : new boolean[] { true, false })
1971	>	for (Integer v1 : new Integer[] { 1, null })
1972	>	{
1973		final CompletableFuture<Integer> f = new CompletableFuture<>();
1974		final CompletableFuture<Integer> g = new CompletableFuture<>();
1975	<	final SubtractAction r = new SubtractAction();
1976	<	final CFException ex = new CFException();
1977	<
1978	<	f.completeExceptionally(ex);
1979	<	g.complete(v1);
1980	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1981	<
1982	<	checkCompletedWithWrappedCFException(h, ex);
1983	<	checkCompletedWithWrappedCFException(f, ex);
1984	<	assertFalse(r.ran());
1985	<	checkCompletedNormally(g, v1);
1986	<	}
1987	<	}
1975	>	final SubtractAction r1 = new SubtractAction(m);
1976	>	final SubtractAction r2 = new SubtractAction(m);
1977	>	final SubtractAction r3 = new SubtractAction(m);
1978	>
1979	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1980	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1981	>	final Callable<Boolean> complete1 = failFirst ?
1982	>	() -> fst.cancel(mayInterruptIfRunning) :
1983	>	() -> fst.complete(v1);
1984	>	final Callable<Boolean> complete2 = failFirst ?
1985	>	() -> snd.complete(v1) :
1986	>	() -> snd.cancel(mayInterruptIfRunning);
1987	>
1988	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1989	>	assertTrue(complete1.call());
1990	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1991	>	checkIncomplete(h1);
1992	>	checkIncomplete(h2);
1993	>	assertTrue(complete2.call());
1994	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1995	>
1996	>	checkCompletedWithWrappedCancellationException(h1);
1997	>	checkCompletedWithWrappedCancellationException(h2);
1998	>	checkCompletedWithWrappedCancellationException(h3);
1999	>	r1.assertNotInvoked();
2000	>	r2.assertNotInvoked();
2001	>	r3.assertNotInvoked();
2002	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2003	>	checkCancelled(failFirst ? fst : snd);
2004	>	}}
2005
2006		/**
2007		* thenAcceptBoth result completes exceptionally if action does
2008		*/
2009	<	public void testThenAcceptBoth_actionFailed1() {
2009	>	public void testThenAcceptBoth_actionFailed() {
2010		for (ExecutionMode m : ExecutionMode.values())
2011	+	for (boolean fFirst : new boolean[] { true, false })
2012		for (Integer v1 : new Integer[] { 1, null })
2013	<	for (Integer v2 : new Integer[] { 2, null }) {
2014	<
2013	>	for (Integer v2 : new Integer[] { 2, null })
2014	>	{
2015		final CompletableFuture<Integer> f = new CompletableFuture<>();
2016		final CompletableFuture<Integer> g = new CompletableFuture<>();
2017	<	final FailingBiConsumer r = new FailingBiConsumer();
2018	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2019	<
2020	<	f.complete(v1);
2021	<	checkIncomplete(h);
2022	<	g.complete(v2);
2023	<
2024	<	checkCompletedWithWrappedCFException(h);
2017	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
2018	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
2019	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
2020	>
2021	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2022	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2023	>	final Integer w1 =  fFirst ? v1 : v2;
2024	>	final Integer w2 = !fFirst ? v1 : v2;
2025	>
2026	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
2027	>	assertTrue(fst.complete(w1));
2028	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
2029	>	assertTrue(snd.complete(w2));
2030	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2031	>
2032	>	checkCompletedWithWrappedException(h1, r1.ex);
2033	>	checkCompletedWithWrappedException(h2, r2.ex);
2034	>	checkCompletedWithWrappedException(h3, r3.ex);
2035	>	r1.assertInvoked();
2036	>	r2.assertInvoked();
2037	>	r3.assertInvoked();
2038		checkCompletedNormally(f, v1);
2039		checkCompletedNormally(g, v2);
2040	<	}
1434	<	}
2040	>	}}
2041
2042	<	public void testThenAcceptBoth_actionFailed2() {
2042	>	/**
2043	>	* runAfterBoth result completes normally after normal
2044	>	* completion of sources
2045	>	*/
2046	>	public void testRunAfterBoth_normalCompletion() {
2047		for (ExecutionMode m : ExecutionMode.values())
2048	+	for (boolean fFirst : new boolean[] { true, false })
2049		for (Integer v1 : new Integer[] { 1, null })
2050	<	for (Integer v2 : new Integer[] { 2, null }) {
2051	<
2050	>	for (Integer v2 : new Integer[] { 2, null })
2051	>	{
2052		final CompletableFuture<Integer> f = new CompletableFuture<>();
2053		final CompletableFuture<Integer> g = new CompletableFuture<>();
2054	<	final FailingBiConsumer r = new FailingBiConsumer();
2055	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2056	<
2057	<	g.complete(v2);
2058	<	checkIncomplete(h);
2059	<	f.complete(v1);
2060	<
2061	<	checkCompletedWithWrappedCFException(h);
2054	>	final Noop r1 = new Noop(m);
2055	>	final Noop r2 = new Noop(m);
2056	>	final Noop r3 = new Noop(m);
2057	>
2058	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2059	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2060	>	final Integer w1 =  fFirst ? v1 : v2;
2061	>	final Integer w2 = !fFirst ? v1 : v2;
2062	>
2063	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2064	>	assertTrue(fst.complete(w1));
2065	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2066	>	checkIncomplete(h1);
2067	>	checkIncomplete(h2);
2068	>	r1.assertNotInvoked();
2069	>	r2.assertNotInvoked();
2070	>	assertTrue(snd.complete(w2));
2071	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2072	>
2073	>	checkCompletedNormally(h1, null);
2074	>	checkCompletedNormally(h2, null);
2075	>	checkCompletedNormally(h3, null);
2076	>	r1.assertInvoked();
2077	>	r2.assertInvoked();
2078	>	r3.assertInvoked();
2079		checkCompletedNormally(f, v1);
2080		checkCompletedNormally(g, v2);
2081	<	}
1454	<	}
2081	>	}}
2082
2083		/**
2084	<	* thenAcceptBoth result completes exceptionally if either source cancelled
2084	>	* runAfterBoth result completes exceptionally after exceptional
2085	>	* completion of either source
2086		*/
2087	<	public void testThenAcceptBoth_sourceCancelled1() {
1460	<	for (ExecutionMode m : ExecutionMode.values())
1461	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1462	<	for (Integer v1 : new Integer[] { 1, null }) {
1463	<
1464	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1465	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1466	<	final SubtractAction r = new SubtractAction();
1467	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1468	<
1469	<	assertTrue(f.cancel(mayInterruptIfRunning));
1470	<	checkIncomplete(h);
1471	<	g.complete(v1);
1472	<
1473	<	checkCompletedWithWrappedCancellationException(h);
1474	<	checkCancelled(f);
1475	<	assertFalse(r.ran());
1476	<	checkCompletedNormally(g, v1);
1477	<	}
1478	<	}
1479	<
1480	<	public void testThenAcceptBoth_sourceCancelled2() {
2087	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2088		for (ExecutionMode m : ExecutionMode.values())
2089	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2090	<	for (Integer v1 : new Integer[] { 1, null }) {
2091	<
2092	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1486	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1487	<	final SubtractAction r = new SubtractAction();
1488	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1489	<
1490	<	assertTrue(g.cancel(mayInterruptIfRunning));
1491	<	checkIncomplete(h);
1492	<	f.complete(v1);
1493	<
1494	<	checkCompletedWithWrappedCancellationException(h);
1495	<	checkCancelled(g);
1496	<	assertFalse(r.ran());
1497	<	checkCompletedNormally(f, v1);
1498	<	}
1499	<	}
1500	<
1501	<	public void testThenAcceptBoth_sourceCancelled3() {
1502	<	for (ExecutionMode m : ExecutionMode.values())
1503	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1504	<	for (Integer v1 : new Integer[] { 1, null }) {
1505	<
2089	>	for (boolean fFirst : new boolean[] { true, false })
2090	>	for (boolean failFirst : new boolean[] { true, false })
2091	>	for (Integer v1 : new Integer[] { 1, null })
2092	>	{
2093		final CompletableFuture<Integer> f = new CompletableFuture<>();
2094		final CompletableFuture<Integer> g = new CompletableFuture<>();
2095	<	final SubtractAction r = new SubtractAction();
2096	<
2097	<	assertTrue(g.cancel(mayInterruptIfRunning));
2098	<	f.complete(v1);
2099	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2100	<
2101	<	checkCompletedWithWrappedCancellationException(h);
2102	<	checkCancelled(g);
2103	<	assertFalse(r.ran());
2104	<	checkCompletedNormally(f, v1);
2105	<	}
2106	<	}
2095	>	final CFException ex = new CFException();
2096	>	final Noop r1 = new Noop(m);
2097	>	final Noop r2 = new Noop(m);
2098	>	final Noop r3 = new Noop(m);
2099	>
2100	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2101	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2102	>	final Callable<Boolean> complete1 = failFirst ?
2103	>	() -> fst.completeExceptionally(ex) :
2104	>	() -> fst.complete(v1);
2105	>	final Callable<Boolean> complete2 = failFirst ?
2106	>	() -> snd.complete(v1) :
2107	>	() -> snd.completeExceptionally(ex);
2108	>
2109	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2110	>	assertTrue(complete1.call());
2111	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2112	>	checkIncomplete(h1);
2113	>	checkIncomplete(h2);
2114	>	assertTrue(complete2.call());
2115	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2116	>
2117	>	checkCompletedWithWrappedException(h1, ex);
2118	>	checkCompletedWithWrappedException(h2, ex);
2119	>	checkCompletedWithWrappedException(h3, ex);
2120	>	r1.assertNotInvoked();
2121	>	r2.assertNotInvoked();
2122	>	r3.assertNotInvoked();
2123	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2124	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2125	>	}}
2126
2127	<	public void testThenAcceptBoth_sourceCancelled4() {
2127	>	/**
2128	>	* runAfterBoth result completes exceptionally if either source cancelled
2129	>	*/
2130	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2131		for (ExecutionMode m : ExecutionMode.values())
2132		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2133	<	for (Integer v1 : new Integer[] { 1, null }) {
2134	<
2133	>	for (boolean fFirst : new boolean[] { true, false })
2134	>	for (boolean failFirst : new boolean[] { true, false })
2135	>	for (Integer v1 : new Integer[] { 1, null })
2136	>	{
2137		final CompletableFuture<Integer> f = new CompletableFuture<>();
2138		final CompletableFuture<Integer> g = new CompletableFuture<>();
2139	<	final SubtractAction r = new SubtractAction();
2140	<
2141	<	assertTrue(f.cancel(mayInterruptIfRunning));
2142	<	g.complete(v1);
2143	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2144	<
2145	<	checkCompletedWithWrappedCancellationException(h);
2146	<	checkCancelled(f);
2147	<	assertFalse(r.ran());
2148	<	checkCompletedNormally(g, v1);
2149	<	}
2150	<	}
2139	>	final Noop r1 = new Noop(m);
2140	>	final Noop r2 = new Noop(m);
2141	>	final Noop r3 = new Noop(m);
2142	>
2143	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2144	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2145	>	final Callable<Boolean> complete1 = failFirst ?
2146	>	() -> fst.cancel(mayInterruptIfRunning) :
2147	>	() -> fst.complete(v1);
2148	>	final Callable<Boolean> complete2 = failFirst ?
2149	>	() -> snd.complete(v1) :
2150	>	() -> snd.cancel(mayInterruptIfRunning);
2151	>
2152	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2153	>	assertTrue(complete1.call());
2154	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2155	>	checkIncomplete(h1);
2156	>	checkIncomplete(h2);
2157	>	assertTrue(complete2.call());
2158	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2159	>
2160	>	checkCompletedWithWrappedCancellationException(h1);
2161	>	checkCompletedWithWrappedCancellationException(h2);
2162	>	checkCompletedWithWrappedCancellationException(h3);
2163	>	r1.assertNotInvoked();
2164	>	r2.assertNotInvoked();
2165	>	r3.assertNotInvoked();
2166	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2167	>	checkCancelled(failFirst ? fst : snd);
2168	>	}}
2169
2170		/**
2171	<	* runAfterBoth result completes normally after normal
1543	<	* completion of sources
2171	>	* runAfterBoth result completes exceptionally if action does
2172		*/
2173	<	public void testRunAfterBoth_normalCompletion1() {
2173	>	public void testRunAfterBoth_actionFailed() {
2174		for (ExecutionMode m : ExecutionMode.values())
2175	+	for (boolean fFirst : new boolean[] { true, false })
2176		for (Integer v1 : new Integer[] { 1, null })
2177	<	for (Integer v2 : new Integer[] { 2, null }) {
2178	<
2177	>	for (Integer v2 : new Integer[] { 2, null })
2178	>	{
2179		final CompletableFuture<Integer> f = new CompletableFuture<>();
2180		final CompletableFuture<Integer> g = new CompletableFuture<>();
2181	<	final Noop r = new Noop();
2182	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2183	<
2184	<	f.complete(v1);
2185	<	checkIncomplete(h);
2186	<	assertFalse(r.ran);
2187	<	g.complete(v2);
2188	<
2189	<	checkCompletedNormally(h, null);
2190	<	assertTrue(r.ran);
2181	>	final FailingRunnable r1 = new FailingRunnable(m);
2182	>	final FailingRunnable r2 = new FailingRunnable(m);
2183	>	final FailingRunnable r3 = new FailingRunnable(m);
2184	>
2185	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2186	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2187	>	final Integer w1 =  fFirst ? v1 : v2;
2188	>	final Integer w2 = !fFirst ? v1 : v2;
2189	>
2190	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2191	>	assertTrue(fst.complete(w1));
2192	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2193	>	assertTrue(snd.complete(w2));
2194	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2195	>
2196	>	checkCompletedWithWrappedException(h1, r1.ex);
2197	>	checkCompletedWithWrappedException(h2, r2.ex);
2198	>	checkCompletedWithWrappedException(h3, r3.ex);
2199	>	r1.assertInvoked();
2200	>	r2.assertInvoked();
2201	>	r3.assertInvoked();
2202		checkCompletedNormally(f, v1);
2203		checkCompletedNormally(g, v2);
2204	<	}
1565	<	}
2204	>	}}
2205
2206	<	public void testRunAfterBoth_normalCompletion2() {
2206	>	/**
2207	>	* applyToEither result completes normally after normal completion
2208	>	* of either source
2209	>	*/
2210	>	public void testApplyToEither_normalCompletion() {
2211		for (ExecutionMode m : ExecutionMode.values())
2212		for (Integer v1 : new Integer[] { 1, null })
2213	<	for (Integer v2 : new Integer[] { 2, null }) {
2214	<
2213	>	for (Integer v2 : new Integer[] { 2, null })
2214	>	{
2215		final CompletableFuture<Integer> f = new CompletableFuture<>();
2216		final CompletableFuture<Integer> g = new CompletableFuture<>();
2217	<	final Noop r = new Noop();
2218	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2217	>	final IncFunction[] rs = new IncFunction[6];
2218	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2219
2220	<	g.complete(v2);
2221	<	checkIncomplete(h);
2222	<	assertFalse(r.ran);
2220	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2221	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2222	>	checkIncomplete(h0);
2223	>	checkIncomplete(h1);
2224	>	rs[0].assertNotInvoked();
2225	>	rs[1].assertNotInvoked();
2226		f.complete(v1);
2227	<
2228	<	checkCompletedNormally(h, null);
2229	<	assertTrue(r.ran);
2230	<	checkCompletedNormally(f, v1);
2231	<	checkCompletedNormally(g, v2);
2232	<	}
1587	<	}
1588	<
1589	<	public void testRunAfterBoth_normalCompletion3() {
1590	<	for (ExecutionMode m : ExecutionMode.values())
1591	<	for (Integer v1 : new Integer[] { 1, null })
1592	<	for (Integer v2 : new Integer[] { 2, null }) {
1593	<
1594	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1595	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1596	<	final Noop r = new Noop();
1597	<
2227	>	checkCompletedNormally(h0, inc(v1));
2228	>	checkCompletedNormally(h1, inc(v1));
2229	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2230	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2231	>	checkCompletedNormally(h2, inc(v1));
2232	>	checkCompletedNormally(h3, inc(v1));
2233		g.complete(v2);
1599	–	f.complete(v1);
1600	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1601	–
1602	–	checkCompletedNormally(h, null);
1603	–	assertTrue(r.ran);
1604	–	checkCompletedNormally(f, v1);
1605	–	checkCompletedNormally(g, v2);
1606	–	}
1607	–	}
1608	–
1609	–	public void testRunAfterBoth_normalCompletion4() {
1610	–	for (ExecutionMode m : ExecutionMode.values())
1611	–	for (Integer v1 : new Integer[] { 1, null })
1612	–	for (Integer v2 : new Integer[] { 2, null }) {
2234
2235	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2236	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2237	<	final Noop r = new Noop();
2238	<
2239	<	f.complete(v1);
2240	<	g.complete(v2);
2241	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2235	>	// unspecified behavior - both source completions available
2236	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2237	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2238	>	rs[4].assertValue(h4.join());
2239	>	rs[5].assertValue(h5.join());
2240	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2241	>	Objects.equals(inc(v2), h4.join()));
2242	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2243	>	Objects.equals(inc(v2), h5.join()));
2244
1622	–	checkCompletedNormally(h, null);
1623	–	assertTrue(r.ran);
2245		checkCompletedNormally(f, v1);
2246		checkCompletedNormally(g, v2);
2247	<	}
2248	<	}
2247	>	checkCompletedNormally(h0, inc(v1));
2248	>	checkCompletedNormally(h1, inc(v1));
2249	>	checkCompletedNormally(h2, inc(v1));
2250	>	checkCompletedNormally(h3, inc(v1));
2251	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2252	>	}}
2253
2254		/**
2255	<	* runAfterBoth result completes exceptionally after exceptional
2255	>	* applyToEither result completes exceptionally after exceptional
2256		* completion of either source
2257		*/
2258	<	public void testRunAfterBoth_exceptionalCompletion1() {
2258	>	public void testApplyToEither_exceptionalCompletion() {
2259		for (ExecutionMode m : ExecutionMode.values())
2260	<	for (Integer v1 : new Integer[] { 1, null }) {
2261	<
2260	>	for (Integer v1 : new Integer[] { 1, null })
2261	>	{
2262		final CompletableFuture<Integer> f = new CompletableFuture<>();
2263		final CompletableFuture<Integer> g = new CompletableFuture<>();
1639	–	final Noop r = new Noop();
1640	–	final CompletableFuture<Void> h = m.runAfterBoth(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	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2269	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2270	+	checkIncomplete(h0);
2271	+	checkIncomplete(h1);
2272	+	rs[0].assertNotInvoked();
2273	+	rs[1].assertNotInvoked();
2274		f.completeExceptionally(ex);
2275	<	checkIncomplete(h);
2275	>	checkCompletedWithWrappedException(h0, ex);
2276	>	checkCompletedWithWrappedException(h1, ex);
2277	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2278	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2279	>	checkCompletedWithWrappedException(h2, ex);
2280	>	checkCompletedWithWrappedException(h3, ex);
2281		g.complete(v1);
2282
2283	<	checkCompletedWithWrappedCFException(h, ex);
2284	<	checkCompletedWithWrappedCFException(f, ex);
2285	<	assertFalse(r.ran);
2286	<	checkCompletedNormally(g, v1);
2283	>	// unspecified behavior - both source completions available
2284	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2285	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2286	>	try {
2287	>	assertEquals(inc(v1), h4.join());
2288	>	rs[4].assertValue(inc(v1));
2289	>	} catch (CompletionException ok) {
2290	>	checkCompletedWithWrappedException(h4, ex);
2291	>	rs[4].assertNotInvoked();
2292	>	}
2293	>	try {
2294	>	assertEquals(inc(v1), h5.join());
2295	>	rs[5].assertValue(inc(v1));
2296	>	} catch (CompletionException ok) {
2297	>	checkCompletedWithWrappedException(h5, ex);
2298	>	rs[5].assertNotInvoked();
2299		}
1652	–	}
2300
2301	<	public void testRunAfterBoth_exceptionalCompletion2() {
2302	<	for (ExecutionMode m : ExecutionMode.values())
2303	<	for (Integer v1 : new Integer[] { 1, null }) {
2301	>	checkCompletedExceptionally(f, ex);
2302	>	checkCompletedNormally(g, v1);
2303	>	checkCompletedWithWrappedException(h0, ex);
2304	>	checkCompletedWithWrappedException(h1, ex);
2305	>	checkCompletedWithWrappedException(h2, ex);
2306	>	checkCompletedWithWrappedException(h3, ex);
2307	>	checkCompletedWithWrappedException(h4, ex);
2308	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2309	>	}}
2310
2311	+	public void testApplyToEither_exceptionalCompletion2() {
2312	+	for (ExecutionMode m : ExecutionMode.values())
2313	+	for (boolean fFirst : new boolean[] { true, false })
2314	+	for (Integer v1 : new Integer[] { 1, null })
2315	+	{
2316		final CompletableFuture<Integer> f = new CompletableFuture<>();
2317		final CompletableFuture<Integer> g = new CompletableFuture<>();
1660	–	final Noop r = new Noop();
1661	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2318		final CFException ex = new CFException();
2319	+	final IncFunction[] rs = new IncFunction[6];
2320	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2321
2322	<	g.completeExceptionally(ex);
2323	<	checkIncomplete(h);
2324	<	f.complete(v1);
2322	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2323	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2324	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2325	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2326	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2327	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2328
2329	<	checkCompletedWithWrappedCFException(h, ex);
2330	<	checkCompletedWithWrappedCFException(g, ex);
2331	<	assertFalse(r.ran);
2332	<	checkCompletedNormally(f, v1);
2329	>	// unspecified behavior - both source completions available
2330	>	try {
2331	>	assertEquals(inc(v1), h0.join());
2332	>	rs[0].assertValue(inc(v1));
2333	>	} catch (CompletionException ok) {
2334	>	checkCompletedWithWrappedException(h0, ex);
2335	>	rs[0].assertNotInvoked();
2336	>	}
2337	>	try {
2338	>	assertEquals(inc(v1), h1.join());
2339	>	rs[1].assertValue(inc(v1));
2340	>	} catch (CompletionException ok) {
2341	>	checkCompletedWithWrappedException(h1, ex);
2342	>	rs[1].assertNotInvoked();
2343	>	}
2344	>	try {
2345	>	assertEquals(inc(v1), h2.join());
2346	>	rs[2].assertValue(inc(v1));
2347	>	} catch (CompletionException ok) {
2348	>	checkCompletedWithWrappedException(h2, ex);
2349	>	rs[2].assertNotInvoked();
2350	>	}
2351	>	try {
2352	>	assertEquals(inc(v1), h3.join());
2353	>	rs[3].assertValue(inc(v1));
2354	>	} catch (CompletionException ok) {
2355	>	checkCompletedWithWrappedException(h3, ex);
2356	>	rs[3].assertNotInvoked();
2357		}
1673	–	}
2358
2359	<	public void testRunAfterBoth_exceptionalCompletion3() {
2360	<	for (ExecutionMode m : ExecutionMode.values())
2361	<	for (Integer v1 : new Integer[] { 1, null }) {
2359	>	checkCompletedNormally(f, v1);
2360	>	checkCompletedExceptionally(g, ex);
2361	>	}}
2362
2363	+	/**
2364	+	* applyToEither result completes exceptionally if either source cancelled
2365	+	*/
2366	+	public void testApplyToEither_sourceCancelled() {
2367	+	for (ExecutionMode m : ExecutionMode.values())
2368	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2369	+	for (Integer v1 : new Integer[] { 1, null })
2370	+	{
2371		final CompletableFuture<Integer> f = new CompletableFuture<>();
2372		final CompletableFuture<Integer> g = new CompletableFuture<>();
2373	<	final Noop r = new Noop();
2374	<	final CFException ex = new CFException();
2373	>	final IncFunction[] rs = new IncFunction[6];
2374	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2375
2376	<	g.completeExceptionally(ex);
2377	<	f.complete(v1);
2378	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2376	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2377	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2378	>	checkIncomplete(h0);
2379	>	checkIncomplete(h1);
2380	>	rs[0].assertNotInvoked();
2381	>	rs[1].assertNotInvoked();
2382	>	f.cancel(mayInterruptIfRunning);
2383	>	checkCompletedWithWrappedCancellationException(h0);
2384	>	checkCompletedWithWrappedCancellationException(h1);
2385	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2386	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2387	>	checkCompletedWithWrappedCancellationException(h2);
2388	>	checkCompletedWithWrappedCancellationException(h3);
2389	>	g.complete(v1);
2390
2391	<	checkCompletedWithWrappedCFException(h, ex);
2392	<	checkCompletedWithWrappedCFException(g, ex);
2393	<	assertFalse(r.ran);
2394	<	checkCompletedNormally(f, v1);
2391	>	// unspecified behavior - both source completions available
2392	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2393	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2394	>	try {
2395	>	assertEquals(inc(v1), h4.join());
2396	>	rs[4].assertValue(inc(v1));
2397	>	} catch (CompletionException ok) {
2398	>	checkCompletedWithWrappedCancellationException(h4);
2399	>	rs[4].assertNotInvoked();
2400	>	}
2401	>	try {
2402	>	assertEquals(inc(v1), h5.join());
2403	>	rs[5].assertValue(inc(v1));
2404	>	} catch (CompletionException ok) {
2405	>	checkCompletedWithWrappedCancellationException(h5);
2406	>	rs[5].assertNotInvoked();
2407		}
1693	–	}
2408
2409	<	public void testRunAfterBoth_exceptionalCompletion4() {
2410	<	for (ExecutionMode m : ExecutionMode.values())
2411	<	for (Integer v1 : new Integer[] { 1, null }) {
2409	>	checkCancelled(f);
2410	>	checkCompletedNormally(g, v1);
2411	>	checkCompletedWithWrappedCancellationException(h0);
2412	>	checkCompletedWithWrappedCancellationException(h1);
2413	>	checkCompletedWithWrappedCancellationException(h2);
2414	>	checkCompletedWithWrappedCancellationException(h3);
2415	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2416	>	}}
2417
2418	+	public void testApplyToEither_sourceCancelled2() {
2419	+	for (ExecutionMode m : ExecutionMode.values())
2420	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2421	+	for (boolean fFirst : new boolean[] { true, false })
2422	+	for (Integer v1 : new Integer[] { 1, null })
2423	+	{
2424		final CompletableFuture<Integer> f = new CompletableFuture<>();
2425		final CompletableFuture<Integer> g = new CompletableFuture<>();
2426	<	final Noop r = new Noop();
2427	<	final CFException ex = new CFException();
2426	>	final IncFunction[] rs = new IncFunction[6];
2427	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2428
2429	<	f.completeExceptionally(ex);
2430	<	g.complete(v1);
2431	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2429	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2430	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2431	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2432	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2433	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2434	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2435
2436	<	checkCompletedWithWrappedCFException(h, ex);
2437	<	checkCompletedWithWrappedCFException(f, ex);
2438	<	assertFalse(r.ran);
2439	<	checkCompletedNormally(g, v1);
2436	>	// unspecified behavior - both source completions available
2437	>	try {
2438	>	assertEquals(inc(v1), h0.join());
2439	>	rs[0].assertValue(inc(v1));
2440	>	} catch (CompletionException ok) {
2441	>	checkCompletedWithWrappedCancellationException(h0);
2442	>	rs[0].assertNotInvoked();
2443		}
2444	<	}
2444	>	try {
2445	>	assertEquals(inc(v1), h1.join());
2446	>	rs[1].assertValue(inc(v1));
2447	>	} catch (CompletionException ok) {
2448	>	checkCompletedWithWrappedCancellationException(h1);
2449	>	rs[1].assertNotInvoked();
2450	>	}
2451	>	try {
2452	>	assertEquals(inc(v1), h2.join());
2453	>	rs[2].assertValue(inc(v1));
2454	>	} catch (CompletionException ok) {
2455	>	checkCompletedWithWrappedCancellationException(h2);
2456	>	rs[2].assertNotInvoked();
2457	>	}
2458	>	try {
2459	>	assertEquals(inc(v1), h3.join());
2460	>	rs[3].assertValue(inc(v1));
2461	>	} catch (CompletionException ok) {
2462	>	checkCompletedWithWrappedCancellationException(h3);
2463	>	rs[3].assertNotInvoked();
2464	>	}
2465	>
2466	>	checkCompletedNormally(f, v1);
2467	>	checkCancelled(g);
2468	>	}}
2469
2470		/**
2471	<	* runAfterBoth result completes exceptionally if action does
2471	>	* applyToEither result completes exceptionally if action does
2472		*/
2473	<	public void testRunAfterBoth_actionFailed1() {
2473	>	public void testApplyToEither_actionFailed() {
2474		for (ExecutionMode m : ExecutionMode.values())
2475		for (Integer v1 : new Integer[] { 1, null })
2476	<	for (Integer v2 : new Integer[] { 2, null }) {
2477	<
2476	>	for (Integer v2 : new Integer[] { 2, null })
2477	>	{
2478		final CompletableFuture<Integer> f = new CompletableFuture<>();
2479		final CompletableFuture<Integer> g = new CompletableFuture<>();
2480	<	final FailingNoop r = new FailingNoop();
2481	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2480	>	final FailingFunction[] rs = new FailingFunction[6];
2481	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2482
2483	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2484	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2485		f.complete(v1);
2486	<	checkIncomplete(h);
2486	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2487	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2488	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2489	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2490	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2491	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2492	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2493	>
2494		g.complete(v2);
2495
2496	<	checkCompletedWithWrappedCFException(h);
2496	>	// unspecified behavior - both source completions available
2497	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2498	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2499	>
2500	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2501	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2502	>	Objects.equals(v2, rs[4].value));
2503	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2504	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2505	>	Objects.equals(v2, rs[5].value));
2506	>
2507		checkCompletedNormally(f, v1);
2508		checkCompletedNormally(g, v2);
2509	<	}
1736	<	}
2509	>	}}
2510
2511	<	public void testRunAfterBoth_actionFailed2() {
2511	>	/**
2512	>	* acceptEither result completes normally after normal completion
2513	>	* of either source
2514	>	*/
2515	>	public void testAcceptEither_normalCompletion() {
2516		for (ExecutionMode m : ExecutionMode.values())
2517		for (Integer v1 : new Integer[] { 1, null })
2518	<	for (Integer v2 : new Integer[] { 2, null }) {
2519	<
2518	>	for (Integer v2 : new Integer[] { 2, null })
2519	>	{
2520		final CompletableFuture<Integer> f = new CompletableFuture<>();
2521		final CompletableFuture<Integer> g = new CompletableFuture<>();
2522	<	final FailingNoop r = new FailingNoop();
2523	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2522	>	final NoopConsumer[] rs = new NoopConsumer[6];
2523	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2524
2525	<	g.complete(v2);
2526	<	checkIncomplete(h);
2525	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2526	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2527	>	checkIncomplete(h0);
2528	>	checkIncomplete(h1);
2529	>	rs[0].assertNotInvoked();
2530	>	rs[1].assertNotInvoked();
2531		f.complete(v1);
2532	+	checkCompletedNormally(h0, null);
2533	+	checkCompletedNormally(h1, null);
2534	+	rs[0].assertValue(v1);
2535	+	rs[1].assertValue(v1);
2536	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2537	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2538	+	checkCompletedNormally(h2, null);
2539	+	checkCompletedNormally(h3, null);
2540	+	rs[2].assertValue(v1);
2541	+	rs[3].assertValue(v1);
2542	+	g.complete(v2);
2543	+
2544	+	// unspecified behavior - both source completions available
2545	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2546	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2547	+	checkCompletedNormally(h4, null);
2548	+	checkCompletedNormally(h5, null);
2549	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2550	+	Objects.equals(v2, rs[4].value));
2551	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2552	+	Objects.equals(v2, rs[5].value));
2553
1752	–	checkCompletedWithWrappedCFException(h);
2554		checkCompletedNormally(f, v1);
2555		checkCompletedNormally(g, v2);
2556	<	}
2557	<	}
2556	>	checkCompletedNormally(h0, null);
2557	>	checkCompletedNormally(h1, null);
2558	>	checkCompletedNormally(h2, null);
2559	>	checkCompletedNormally(h3, null);
2560	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2561	>	}}
2562
2563		/**
2564	<	* runAfterBoth result completes exceptionally if either source cancelled
2564	>	* acceptEither result completes exceptionally after exceptional
2565	>	* completion of either source
2566		*/
2567	<	public void testRunAfterBoth_sourceCancelled1() {
2567	>	public void testAcceptEither_exceptionalCompletion() {
2568		for (ExecutionMode m : ExecutionMode.values())
2569	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2570	<	for (Integer v1 : new Integer[] { 1, null }) {
1765	<
2569	>	for (Integer v1 : new Integer[] { 1, null })
2570	>	{
2571		final CompletableFuture<Integer> f = new CompletableFuture<>();
2572		final CompletableFuture<Integer> g = new CompletableFuture<>();
2573	<	final Noop r = new Noop();
2574	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2573	>	final CFException ex = new CFException();
2574	>	final NoopConsumer[] rs = new NoopConsumer[6];
2575	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2576	>
2577	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2578	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2579	>	checkIncomplete(h0);
2580	>	checkIncomplete(h1);
2581	>	rs[0].assertNotInvoked();
2582	>	rs[1].assertNotInvoked();
2583	>	f.completeExceptionally(ex);
2584	>	checkCompletedWithWrappedException(h0, ex);
2585	>	checkCompletedWithWrappedException(h1, ex);
2586	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2587	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2588	>	checkCompletedWithWrappedException(h2, ex);
2589	>	checkCompletedWithWrappedException(h3, ex);
2590
1771	–	assertTrue(f.cancel(mayInterruptIfRunning));
1772	–	checkIncomplete(h);
2591		g.complete(v1);
2592
2593	<	checkCompletedWithWrappedCancellationException(h);
2594	<	checkCancelled(f);
2595	<	assertFalse(r.ran);
2596	<	checkCompletedNormally(g, v1);
2593	>	// unspecified behavior - both source completions available
2594	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2595	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2596	>	try {
2597	>	assertNull(h4.join());
2598	>	rs[4].assertValue(v1);
2599	>	} catch (CompletionException ok) {
2600	>	checkCompletedWithWrappedException(h4, ex);
2601	>	rs[4].assertNotInvoked();
2602	>	}
2603	>	try {
2604	>	assertNull(h5.join());
2605	>	rs[5].assertValue(v1);
2606	>	} catch (CompletionException ok) {
2607	>	checkCompletedWithWrappedException(h5, ex);
2608	>	rs[5].assertNotInvoked();
2609		}
1780	–	}
2610
2611	<	public void testRunAfterBoth_sourceCancelled2() {
2612	<	for (ExecutionMode m : ExecutionMode.values())
2613	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2614	<	for (Integer v1 : new Integer[] { 1, null }) {
2611	>	checkCompletedExceptionally(f, ex);
2612	>	checkCompletedNormally(g, v1);
2613	>	checkCompletedWithWrappedException(h0, ex);
2614	>	checkCompletedWithWrappedException(h1, ex);
2615	>	checkCompletedWithWrappedException(h2, ex);
2616	>	checkCompletedWithWrappedException(h3, ex);
2617	>	checkCompletedWithWrappedException(h4, ex);
2618	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2619	>	}}
2620
2621	+	public void testAcceptEither_exceptionalCompletion2() {
2622	+	for (ExecutionMode m : ExecutionMode.values())
2623	+	for (boolean fFirst : new boolean[] { true, false })
2624	+	for (Integer v1 : new Integer[] { 1, null })
2625	+	{
2626		final CompletableFuture<Integer> f = new CompletableFuture<>();
2627		final CompletableFuture<Integer> g = new CompletableFuture<>();
2628	<	final Noop r = new Noop();
2629	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2628	>	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	<	assertTrue(g.cancel(mayInterruptIfRunning));
2633	<	checkIncomplete(h);
2634	<	f.complete(v1);
2632	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2633	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2634	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2635	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2636	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2637	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2638
2639	<	checkCompletedWithWrappedCancellationException(h);
2640	<	checkCancelled(g);
2641	<	assertFalse(r.ran);
2642	<	checkCompletedNormally(f, v1);
2639	>	// unspecified behavior - both source completions available
2640	>	try {
2641	>	assertNull(h0.join());
2642	>	rs[0].assertValue(v1);
2643	>	} catch (CompletionException ok) {
2644	>	checkCompletedWithWrappedException(h0, ex);
2645	>	rs[0].assertNotInvoked();
2646	>	}
2647	>	try {
2648	>	assertNull(h1.join());
2649	>	rs[1].assertValue(v1);
2650	>	} catch (CompletionException ok) {
2651	>	checkCompletedWithWrappedException(h1, ex);
2652	>	rs[1].assertNotInvoked();
2653	>	}
2654	>	try {
2655	>	assertNull(h2.join());
2656	>	rs[2].assertValue(v1);
2657	>	} catch (CompletionException ok) {
2658	>	checkCompletedWithWrappedException(h2, ex);
2659	>	rs[2].assertNotInvoked();
2660	>	}
2661	>	try {
2662	>	assertNull(h3.join());
2663	>	rs[3].assertValue(v1);
2664	>	} catch (CompletionException ok) {
2665	>	checkCompletedWithWrappedException(h3, ex);
2666	>	rs[3].assertNotInvoked();
2667		}
1801	–	}
1802	–
1803	–	public void testRunAfterBoth_sourceCancelled3() {
1804	–	for (ExecutionMode m : ExecutionMode.values())
1805	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1806	–	for (Integer v1 : new Integer[] { 1, null }) {
1807	–
1808	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1809	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1810	–	final Noop r = new Noop();
1811	–
1812	–	assertTrue(g.cancel(mayInterruptIfRunning));
1813	–	f.complete(v1);
1814	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2668
1816	–	checkCompletedWithWrappedCancellationException(h);
1817	–	checkCancelled(g);
1818	–	assertFalse(r.ran);
2669		checkCompletedNormally(f, v1);
2670	<	}
2671	<	}
2670	>	checkCompletedExceptionally(g, ex);
2671	>	}}
2672
2673	<	public void testRunAfterBoth_sourceCancelled4() {
2673	>	/**
2674	>	* acceptEither result completes exceptionally if either source cancelled
2675	>	*/
2676	>	public void testAcceptEither_sourceCancelled() {
2677		for (ExecutionMode m : ExecutionMode.values())
2678		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2679	<	for (Integer v1 : new Integer[] { 1, null }) {
2680	<
2679	>	for (Integer v1 : new Integer[] { 1, null })
2680	>	{
2681		final CompletableFuture<Integer> f = new CompletableFuture<>();
2682		final CompletableFuture<Integer> g = new CompletableFuture<>();
2683	<	final Noop r = new Noop();
2683	>	final NoopConsumer[] rs = new NoopConsumer[6];
2684	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2685	>
2686	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2687	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2688	>	checkIncomplete(h0);
2689	>	checkIncomplete(h1);
2690	>	rs[0].assertNotInvoked();
2691	>	rs[1].assertNotInvoked();
2692	>	f.cancel(mayInterruptIfRunning);
2693	>	checkCompletedWithWrappedCancellationException(h0);
2694	>	checkCompletedWithWrappedCancellationException(h1);
2695	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2696	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2697	>	checkCompletedWithWrappedCancellationException(h2);
2698	>	checkCompletedWithWrappedCancellationException(h3);
2699
1832	–	assertTrue(f.cancel(mayInterruptIfRunning));
2700		g.complete(v1);
1834	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2701
2702	<	checkCompletedWithWrappedCancellationException(h);
2702	>	// unspecified behavior - both source completions available
2703	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2704	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2705	>	try {
2706	>	assertNull(h4.join());
2707	>	rs[4].assertValue(v1);
2708	>	} catch (CompletionException ok) {
2709	>	checkCompletedWithWrappedCancellationException(h4);
2710	>	rs[4].assertNotInvoked();
2711	>	}
2712	>	try {
2713	>	assertNull(h5.join());
2714	>	rs[5].assertValue(v1);
2715	>	} catch (CompletionException ok) {
2716	>	checkCompletedWithWrappedCancellationException(h5);
2717	>	rs[5].assertNotInvoked();
2718	>	}
2719	>
2720		checkCancelled(f);
1838	–	assertFalse(r.ran);
2721		checkCompletedNormally(g, v1);
2722	<	}
2723	<	}
2722	>	checkCompletedWithWrappedCancellationException(h0);
2723	>	checkCompletedWithWrappedCancellationException(h1);
2724	>	checkCompletedWithWrappedCancellationException(h2);
2725	>	checkCompletedWithWrappedCancellationException(h3);
2726	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2727	>	}}
2728
2729		/**
2730	<	* applyToEither result completes normally after normal completion
1845	<	* of either source
2730	>	* acceptEither result completes exceptionally if action does
2731		*/
2732	<	public void testApplyToEither_normalCompletion1() {
2732	>	public void testAcceptEither_actionFailed() {
2733		for (ExecutionMode m : ExecutionMode.values())
2734		for (Integer v1 : new Integer[] { 1, null })
2735	<	for (Integer v2 : new Integer[] { 2, null }) {
2736	<
2735	>	for (Integer v2 : new Integer[] { 2, null })
2736	>	{
2737		final CompletableFuture<Integer> f = new CompletableFuture<>();
2738		final CompletableFuture<Integer> g = new CompletableFuture<>();
2739	<	final IncFunction r = new IncFunction();
2740	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2739	>	final FailingConsumer[] rs = new FailingConsumer[6];
2740	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2741
2742	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2743	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2744		f.complete(v1);
2745	<	checkCompletedNormally(h, inc(v1));
2745	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2746	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2747	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2748	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2749	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2750	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2751	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2752	>
2753		g.complete(v2);
2754
2755	+	// unspecified behavior - both source completions available
2756	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2757	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2758	+
2759	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2760	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2761	+	Objects.equals(v2, rs[4].value));
2762	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2763	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2764	+	Objects.equals(v2, rs[5].value));
2765	+
2766		checkCompletedNormally(f, v1);
2767		checkCompletedNormally(g, v2);
2768	<	checkCompletedNormally(h, inc(v1));
1864	<	}
1865	<	}
2768	>	}}
2769
2770	<	public void testApplyToEither_normalCompletion2() {
2770	>	/**
2771	>	* runAfterEither result completes normally after normal completion
2772	>	* of either source
2773	>	*/
2774	>	public void testRunAfterEither_normalCompletion() {
2775		for (ExecutionMode m : ExecutionMode.values())
2776		for (Integer v1 : new Integer[] { 1, null })
2777	<	for (Integer v2 : new Integer[] { 2, null }) {
2778	<
2779	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2780	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2781	<	final IncFunction r = new IncFunction();
2782	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2783	<
2784	<	g.complete(v2);
2785	<	checkCompletedNormally(h, inc(v2));
2786	<	f.complete(v1);
2787	<
2788	<	checkCompletedNormally(f, v1);
2789	<	checkCompletedNormally(g, v2);
2790	<	checkCompletedNormally(h, inc(v2));
2777	>	for (Integer v2 : new Integer[] { 2, null })
2778	>	for (boolean pushNop : new boolean[] { true, false })
2779	>	{
2780	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2781	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2782	>	final Noop[] rs = new Noop[6];
2783	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2784	>
2785	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2786	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2787	>	checkIncomplete(h0);
2788	>	checkIncomplete(h1);
2789	>	rs[0].assertNotInvoked();
2790	>	rs[1].assertNotInvoked();
2791	>	if (pushNop) {          // ad hoc test of intra-completion interference
2792	>	m.thenRun(f, () -> {});
2793	>	m.thenRun(g, () -> {});
2794		}
1885	–	}
1886	–	public void testApplyToEither_normalCompletion3() {
1887	–	for (ExecutionMode m : ExecutionMode.values())
1888	–	for (Integer v1 : new Integer[] { 1, null })
1889	–	for (Integer v2 : new Integer[] { 2, null }) {
1890	–
1891	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1892	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1893	–	final IncFunction r = new IncFunction();
1894	–
2795		f.complete(v1);
2796	+	checkCompletedNormally(h0, null);
2797	+	checkCompletedNormally(h1, null);
2798	+	rs[0].assertInvoked();
2799	+	rs[1].assertInvoked();
2800	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2801	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2802	+	checkCompletedNormally(h2, null);
2803	+	checkCompletedNormally(h3, null);
2804	+	rs[2].assertInvoked();
2805	+	rs[3].assertInvoked();
2806	+
2807		g.complete(v2);
2808	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2808	>
2809	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2810	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2811
2812		checkCompletedNormally(f, v1);
2813		checkCompletedNormally(g, v2);
2814	<
2815	<	// unspecified behavior
2816	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2817	<	Objects.equals(h.join(), inc(v2)));
2818	<	}
2819	<	}
2814	>	checkCompletedNormally(h0, null);
2815	>	checkCompletedNormally(h1, null);
2816	>	checkCompletedNormally(h2, null);
2817	>	checkCompletedNormally(h3, null);
2818	>	checkCompletedNormally(h4, null);
2819	>	checkCompletedNormally(h5, null);
2820	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2821	>	}}
2822
2823		/**
2824	<	* applyToEither result completes exceptionally after exceptional
2824	>	* runAfterEither result completes exceptionally after exceptional
2825		* completion of either source
2826		*/
2827	<	public void testApplyToEither_exceptionalCompletion1() {
2827	>	public void testRunAfterEither_exceptionalCompletion() {
2828		for (ExecutionMode m : ExecutionMode.values())
2829	<	for (Integer v1 : new Integer[] { 1, null }) {
2830	<
2829	>	for (Integer v1 : new Integer[] { 1, null })
2830	>	{
2831		final CompletableFuture<Integer> f = new CompletableFuture<>();
2832		final CompletableFuture<Integer> g = new CompletableFuture<>();
1918	–	final IncFunction r = new IncFunction();
1919	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2833		final CFException ex = new CFException();
2834	+	final Noop[] rs = new Noop[6];
2835	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2836
2837	<	f.completeExceptionally(ex);
2838	<	checkCompletedWithWrappedCFException(h, ex);
2839	<	g.complete(v1);
2837	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2838	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2839	>	checkIncomplete(h0);
2840	>	checkIncomplete(h1);
2841	>	rs[0].assertNotInvoked();
2842	>	rs[1].assertNotInvoked();
2843	>	assertTrue(f.completeExceptionally(ex));
2844	>	checkCompletedWithWrappedException(h0, ex);
2845	>	checkCompletedWithWrappedException(h1, ex);
2846	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2847	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2848	>	checkCompletedWithWrappedException(h2, ex);
2849	>	checkCompletedWithWrappedException(h3, ex);
2850	>
2851	>	assertTrue(g.complete(v1));
2852	>
2853	>	// unspecified behavior - both source completions available
2854	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2855	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2856	>	try {
2857	>	assertNull(h4.join());
2858	>	rs[4].assertInvoked();
2859	>	} catch (CompletionException ok) {
2860	>	checkCompletedWithWrappedException(h4, ex);
2861	>	rs[4].assertNotInvoked();
2862	>	}
2863	>	try {
2864	>	assertNull(h5.join());
2865	>	rs[5].assertInvoked();
2866	>	} catch (CompletionException ok) {
2867	>	checkCompletedWithWrappedException(h5, ex);
2868	>	rs[5].assertNotInvoked();
2869	>	}
2870
2871	<	assertFalse(r.ran());
2871	>	checkCompletedExceptionally(f, ex);
2872		checkCompletedNormally(g, v1);
2873	<	checkCompletedWithWrappedCFException(f, ex);
2874	<	checkCompletedWithWrappedCFException(h, ex);
2875	<	}
2876	<	}
2873	>	checkCompletedWithWrappedException(h0, ex);
2874	>	checkCompletedWithWrappedException(h1, ex);
2875	>	checkCompletedWithWrappedException(h2, ex);
2876	>	checkCompletedWithWrappedException(h3, ex);
2877	>	checkCompletedWithWrappedException(h4, ex);
2878	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2879	>	}}
2880
2881	<	public void testApplyToEither_exceptionalCompletion2() {
2881	>	public void testRunAfterEither_exceptionalCompletion2() {
2882		for (ExecutionMode m : ExecutionMode.values())
2883	<	for (Integer v1 : new Integer[] { 1, null }) {
2884	<
2883	>	for (boolean fFirst : new boolean[] { true, false })
2884	>	for (Integer v1 : new Integer[] { 1, null })
2885	>	{
2886		final CompletableFuture<Integer> f = new CompletableFuture<>();
2887		final CompletableFuture<Integer> g = new CompletableFuture<>();
1939	–	final IncFunction r = new IncFunction();
1940	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2888		final CFException ex = new CFException();
2889	+	final Noop[] rs = new Noop[6];
2890	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2891
2892	<	g.completeExceptionally(ex);
2893	<	checkCompletedWithWrappedCFException(h, ex);
2894	<	f.complete(v1);
2892	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2893	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2894	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2895	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2896	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2897	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2898
2899	<	assertFalse(r.ran());
2900	<	checkCompletedNormally(f, v1);
2901	<	checkCompletedWithWrappedCFException(g, ex);
2902	<	checkCompletedWithWrappedCFException(h, ex);
2899	>	// unspecified behavior - both source completions available
2900	>	try {
2901	>	assertNull(h0.join());
2902	>	rs[0].assertInvoked();
2903	>	} catch (CompletionException ok) {
2904	>	checkCompletedWithWrappedException(h0, ex);
2905	>	rs[0].assertNotInvoked();
2906	>	}
2907	>	try {
2908	>	assertNull(h1.join());
2909	>	rs[1].assertInvoked();
2910	>	} catch (CompletionException ok) {
2911	>	checkCompletedWithWrappedException(h1, ex);
2912	>	rs[1].assertNotInvoked();
2913	>	}
2914	>	try {
2915	>	assertNull(h2.join());
2916	>	rs[2].assertInvoked();
2917	>	} catch (CompletionException ok) {
2918	>	checkCompletedWithWrappedException(h2, ex);
2919	>	rs[2].assertNotInvoked();
2920		}
1952	–	}
1953	–
1954	–	public void testApplyToEither_exceptionalCompletion3() {
1955	–	for (ExecutionMode m : ExecutionMode.values())
1956	–	for (Integer v1 : new Integer[] { 1, null }) {
1957	–
1958	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1959	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1960	–	final IncFunction r = new IncFunction();
1961	–	final CFException ex = new CFException();
1962	–
1963	–	g.completeExceptionally(ex);
1964	–	f.complete(v1);
1965	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1966	–
1967	–	// unspecified behavior
1968	–	Integer v;
2921		try {
2922	<	assertEquals(h.join(), inc(v1));
2923	<	assertTrue(r.ran());
2922	>	assertNull(h3.join());
2923	>	rs[3].assertInvoked();
2924		} catch (CompletionException ok) {
2925	<	checkCompletedWithWrappedCFException(h, ex);
2926	<	assertFalse(r.ran());
2925	>	checkCompletedWithWrappedException(h3, ex);
2926	>	rs[3].assertNotInvoked();
2927		}
2928
1977	–	checkCompletedWithWrappedCFException(g, ex);
2929		checkCompletedNormally(f, v1);
2930	<	}
2931	<	}
2930	>	checkCompletedExceptionally(g, ex);
2931	>	}}
2932
2933	<	public void testApplyToEither_exceptionalCompletion4() {
2933	>	/**
2934	>	* runAfterEither result completes exceptionally if either source cancelled
2935	>	*/
2936	>	public void testRunAfterEither_sourceCancelled() {
2937		for (ExecutionMode m : ExecutionMode.values())
2938	<	for (Integer v1 : new Integer[] { 1, null }) {
2939	<
2938	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2939	>	for (Integer v1 : new Integer[] { 1, null })
2940	>	{
2941		final CompletableFuture<Integer> f = new CompletableFuture<>();
2942		final CompletableFuture<Integer> g = new CompletableFuture<>();
2943	<	final IncFunction r = new IncFunction();
2944	<	final CFException ex = new CFException();
1990	<
1991	<	f.completeExceptionally(ex);
1992	<	g.complete(v1);
1993	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2943	>	final Noop[] rs = new Noop[6];
2944	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2945
2946	<	// unspecified behavior
2947	<	Integer v;
2946	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2947	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2948	>	checkIncomplete(h0);
2949	>	checkIncomplete(h1);
2950	>	rs[0].assertNotInvoked();
2951	>	rs[1].assertNotInvoked();
2952	>	f.cancel(mayInterruptIfRunning);
2953	>	checkCompletedWithWrappedCancellationException(h0);
2954	>	checkCompletedWithWrappedCancellationException(h1);
2955	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2956	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2957	>	checkCompletedWithWrappedCancellationException(h2);
2958	>	checkCompletedWithWrappedCancellationException(h3);
2959	>
2960	>	assertTrue(g.complete(v1));
2961	>
2962	>	// unspecified behavior - both source completions available
2963	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2964	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2965		try {
2966	<	assertEquals(h.join(), inc(v1));
2967	<	assertTrue(r.ran());
2966	>	assertNull(h4.join());
2967	>	rs[4].assertInvoked();
2968		} catch (CompletionException ok) {
2969	<	checkCompletedWithWrappedCFException(h, ex);
2970	<	assertFalse(r.ran());
2969	>	checkCompletedWithWrappedCancellationException(h4);
2970	>	rs[4].assertNotInvoked();
2971	>	}
2972	>	try {
2973	>	assertNull(h5.join());
2974	>	rs[5].assertInvoked();
2975	>	} catch (CompletionException ok) {
2976	>	checkCompletedWithWrappedCancellationException(h5);
2977	>	rs[5].assertNotInvoked();
2978		}
2979
2980	<	checkCompletedWithWrappedCFException(f, ex);
2006	<	assertFalse(r.ran());
2980	>	checkCancelled(f);
2981		checkCompletedNormally(g, v1);
2982	<	}
2983	<	}
2982	>	checkCompletedWithWrappedCancellationException(h0);
2983	>	checkCompletedWithWrappedCancellationException(h1);
2984	>	checkCompletedWithWrappedCancellationException(h2);
2985	>	checkCompletedWithWrappedCancellationException(h3);
2986	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2987	>	}}
2988
2989		/**
2990	<	* applyToEither result completes exceptionally if action does
2990	>	* runAfterEither result completes exceptionally if action does
2991		*/
2992	<	public void testApplyToEither_actionFailed1() {
2992	>	public void testRunAfterEither_actionFailed() {
2993		for (ExecutionMode m : ExecutionMode.values())
2994		for (Integer v1 : new Integer[] { 1, null })
2995	<	for (Integer v2 : new Integer[] { 2, null }) {
2996	<
2995	>	for (Integer v2 : new Integer[] { 2, null })
2996	>	{
2997		final CompletableFuture<Integer> f = new CompletableFuture<>();
2998		final CompletableFuture<Integer> g = new CompletableFuture<>();
2999	<	final FailingFunction r = new FailingFunction();
3000	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2999	>	final FailingRunnable[] rs = new FailingRunnable[6];
3000	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
3001	>
3002	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
3003	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
3004	>	assertTrue(f.complete(v1));
3005	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
3006	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
3007	>	checkCompletedWithWrappedException(h0, rs[0].ex);
3008	>	checkCompletedWithWrappedException(h1, rs[1].ex);
3009	>	checkCompletedWithWrappedException(h2, rs[2].ex);
3010	>	checkCompletedWithWrappedException(h3, rs[3].ex);
3011	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
3012	>	assertTrue(g.complete(v2));
3013	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
3014	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
3015	>	checkCompletedWithWrappedException(h4, rs[4].ex);
3016	>	checkCompletedWithWrappedException(h5, rs[5].ex);
3017
2024	–	f.complete(v1);
2025	–	checkCompletedWithWrappedCFException(h);
2026	–	g.complete(v2);
3018		checkCompletedNormally(f, v1);
3019		checkCompletedNormally(g, v2);
3020	<	}
3021	<	}
3020	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
3021	>	}}
3022
3023	<	public void testApplyToEither_actionFailed2() {
3023	>	/**
3024	>	* thenCompose result completes normally after normal completion of source
3025	>	*/
3026	>	public void testThenCompose_normalCompletion() {
3027		for (ExecutionMode m : ExecutionMode.values())
3028	+	for (boolean createIncomplete : new boolean[] { true, false })
3029		for (Integer v1 : new Integer[] { 1, null })
3030	<	for (Integer v2 : new Integer[] { 2, null }) {
2036	<
3030	>	{
3031		final CompletableFuture<Integer> f = new CompletableFuture<>();
3032	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3033	<	final FailingFunction r = new FailingFunction();
3034	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
3032	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3033	>	if (!createIncomplete) assertTrue(f.complete(v1));
3034	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3035	>	if (createIncomplete) assertTrue(f.complete(v1));
3036
3037	<	g.complete(v2);
2043	<	checkCompletedWithWrappedCFException(h);
2044	<	f.complete(v1);
3037	>	checkCompletedNormally(g, inc(v1));
3038		checkCompletedNormally(f, v1);
3039	<	checkCompletedNormally(g, v2);
3040	<	}
2048	<	}
3039	>	r.assertValue(v1);
3040	>	}}
3041
3042		/**
3043	<	* applyToEither result completes exceptionally if either source cancelled
3043	>	* thenCompose result completes exceptionally after exceptional
3044	>	* completion of source
3045		*/
3046	<	public void testApplyToEither_sourceCancelled1() {
3046	>	public void testThenCompose_exceptionalCompletion() {
3047		for (ExecutionMode m : ExecutionMode.values())
3048	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3049	<	for (Integer v1 : new Integer[] { 1, null }) {
3050	<
3048	>	for (boolean createIncomplete : new boolean[] { true, false })
3049	>	{
3050	>	final CFException ex = new CFException();
3051	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3052		final CompletableFuture<Integer> f = new CompletableFuture<>();
3053	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3054	<	final IncFunction r = new IncFunction();
3055	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
3056	<
3057	<	assertTrue(f.cancel(mayInterruptIfRunning));
3058	<	checkCompletedWithWrappedCancellationException(h);
3059	<	g.complete(v1);
3053	>	if (!createIncomplete) f.completeExceptionally(ex);
3054	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3055	>	if (createIncomplete) f.completeExceptionally(ex);
3056	>
3057	>	checkCompletedWithWrappedException(g, ex);
3058	>	checkCompletedExceptionally(f, ex);
3059	>	r.assertNotInvoked();
3060	>	}}
3061
3062	<	checkCancelled(f);
3063	<	assertFalse(r.ran());
3064	<	checkCompletedNormally(g, v1);
3065	<	checkCompletedWithWrappedCancellationException(h);
2071	<	}
2072	<	}
2073	<
2074	<	public void testApplyToEither_sourceCancelled2() {
3062	>	/**
3063	>	* thenCompose result completes exceptionally if action does
3064	>	*/
3065	>	public void testThenCompose_actionFailed() {
3066		for (ExecutionMode m : ExecutionMode.values())
3067	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3068	<	for (Integer v1 : new Integer[] { 1, null }) {
3069	<
3067	>	for (boolean createIncomplete : new boolean[] { true, false })
3068	>	for (Integer v1 : new Integer[] { 1, null })
3069	>	{
3070		final CompletableFuture<Integer> f = new CompletableFuture<>();
3071	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3072	<	final IncFunction r = new IncFunction();
3073	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
3074	<
3075	<	assertTrue(g.cancel(mayInterruptIfRunning));
2085	<	checkCompletedWithWrappedCancellationException(h);
2086	<	f.complete(v1);
3071	>	final FailingCompletableFutureFunction r
3072	>	= new FailingCompletableFutureFunction(m);
3073	>	if (!createIncomplete) assertTrue(f.complete(v1));
3074	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3075	>	if (createIncomplete) assertTrue(f.complete(v1));
3076
3077	<	checkCancelled(g);
2089	<	assertFalse(r.ran());
3077	>	checkCompletedWithWrappedException(g, r.ex);
3078		checkCompletedNormally(f, v1);
3079	<	checkCompletedWithWrappedCancellationException(h);
2092	<	}
2093	<	}
3079	>	}}
3080
3081	<	public void testApplyToEither_sourceCancelled3() {
3081	>	/**
3082	>	* thenCompose result completes exceptionally if source cancelled
3083	>	*/
3084	>	public void testThenCompose_sourceCancelled() {
3085		for (ExecutionMode m : ExecutionMode.values())
3086	+	for (boolean createIncomplete : new boolean[] { true, false })
3087		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3088	<	for (Integer v1 : new Integer[] { 1, null }) {
2099	<
3088	>	{
3089		final CompletableFuture<Integer> f = new CompletableFuture<>();
3090	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
3091	<	final IncFunction r = new IncFunction();
3092	<
3093	<	assertTrue(g.cancel(mayInterruptIfRunning));
3094	<	f.complete(v1);
3095	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2107	<
2108	<	// unspecified behavior
2109	<	Integer v;
2110	<	try {
2111	<	assertEquals(h.join(), inc(v1));
2112	<	assertTrue(r.ran());
2113	<	} catch (CompletionException ok) {
2114	<	checkCompletedWithWrappedCancellationException(h);
2115	<	assertFalse(r.ran());
3090	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3091	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3092	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3093	>	if (createIncomplete) {
3094	>	checkIncomplete(g);
3095	>	assertTrue(f.cancel(mayInterruptIfRunning));
3096		}
3097
3098	<	checkCancelled(g);
3099	<	checkCompletedNormally(f, v1);
3100	<	}
2121	<	}
3098	>	checkCompletedWithWrappedCancellationException(g);
3099	>	checkCancelled(f);
3100	>	}}
3101
3102	<	public void testApplyToEither_sourceCancelled4() {
3102	>	/**
3103	>	* thenCompose result completes exceptionally if the result of the action does
3104	>	*/
3105	>	public void testThenCompose_actionReturnsFailingFuture() {
3106		for (ExecutionMode m : ExecutionMode.values())
3107	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3108	<	for (Integer v1 : new Integer[] { 1, null }) {
3109	<
3107	>	for (int order = 0; order < 6; order++)
3108	>	for (Integer v1 : new Integer[] { 1, null })
3109	>	{
3110	>	final CFException ex = new CFException();
3111		final CompletableFuture<Integer> f = new CompletableFuture<>();
3112		final CompletableFuture<Integer> g = new CompletableFuture<>();
3113	<	final IncFunction r = new IncFunction();
3113	>	final CompletableFuture<Integer> h;
3114	>	// Test all permutations of orders
3115	>	switch (order) {
3116	>	case 0:
3117	>	assertTrue(f.complete(v1));
3118	>	assertTrue(g.completeExceptionally(ex));
3119	>	h = m.thenCompose(f, x -> g);
3120	>	break;
3121	>	case 1:
3122	>	assertTrue(f.complete(v1));
3123	>	h = m.thenCompose(f, x -> g);
3124	>	assertTrue(g.completeExceptionally(ex));
3125	>	break;
3126	>	case 2:
3127	>	assertTrue(g.completeExceptionally(ex));
3128	>	assertTrue(f.complete(v1));
3129	>	h = m.thenCompose(f, x -> g);
3130	>	break;
3131	>	case 3:
3132	>	assertTrue(g.completeExceptionally(ex));
3133	>	h = m.thenCompose(f, x -> g);
3134	>	assertTrue(f.complete(v1));
3135	>	break;
3136	>	case 4:
3137	>	h = m.thenCompose(f, x -> g);
3138	>	assertTrue(f.complete(v1));
3139	>	assertTrue(g.completeExceptionally(ex));
3140	>	break;
3141	>	case 5:
3142	>	h = m.thenCompose(f, x -> g);
3143	>	assertTrue(f.complete(v1));
3144	>	assertTrue(g.completeExceptionally(ex));
3145	>	break;
3146	>	default: throw new AssertionError();
3147	>	}
3148
3149	<	assertTrue(f.cancel(mayInterruptIfRunning));
3150	<	g.complete(v1);
3151	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
3149	>	checkCompletedExceptionally(g, ex);
3150	>	checkCompletedWithWrappedException(h, ex);
3151	>	checkCompletedNormally(f, v1);
3152	>	}}
3153
3154	<	// unspecified behavior
3155	<	Integer v;
3156	<	try {
3157	<	assertEquals(h.join(), inc(v1));
3158	<	assertTrue(r.ran());
3159	<	} catch (CompletionException ok) {
3160	<	checkCompletedWithWrappedCancellationException(h);
3161	<	assertFalse(r.ran());
3162	<	}
3154	>	/**
3155	>	* exceptionallyCompose result completes normally after normal
3156	>	* completion of source
3157	>	*/
3158	>	public void testExceptionallyCompose_normalCompletion() {
3159	>	for (ExecutionMode m : ExecutionMode.values())
3160	>	for (boolean createIncomplete : new boolean[] { true, false })
3161	>	for (Integer v1 : new Integer[] { 1, null })
3162	>	{
3163	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3164	>	final ExceptionalCompletableFutureFunction r =
3165	>	new ExceptionalCompletableFutureFunction(m);
3166	>	if (!createIncomplete) assertTrue(f.complete(v1));
3167	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3168	>	if (createIncomplete) assertTrue(f.complete(v1));
3169
3170	<	checkCancelled(f);
3170	>	checkCompletedNormally(f, v1);
3171		checkCompletedNormally(g, v1);
3172	<	}
3173	<	}
3172	>	r.assertNotInvoked();
3173	>	}}
3174
3175		/**
3176	<	* acceptEither result completes normally after normal completion
3177	<	* of either source
3176	>	* exceptionallyCompose result completes normally after exceptional
3177	>	* completion of source
3178		*/
3179	<	public void testAcceptEither() {
3180	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3181	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3182	<	IncAction r = new IncAction();
3183	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
3184	<	f.complete(one);
3185	<	checkCompletedNormally(g, null);
3186	<	f2.complete(one);
3187	<	checkCompletedNormally(g, null);
3188	<	assertEquals(r.value, (Integer) 2);
3179	>	public void testExceptionallyCompose_exceptionalCompletion() {
3180	>	for (ExecutionMode m : ExecutionMode.values())
3181	>	for (boolean createIncomplete : new boolean[] { true, false })
3182	>	{
3183	>	final CFException ex = new CFException();
3184	>	final ExceptionalCompletableFutureFunction r =
3185	>	new ExceptionalCompletableFutureFunction(m);
3186	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3187	>	if (!createIncomplete) f.completeExceptionally(ex);
3188	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3189	>	if (createIncomplete) f.completeExceptionally(ex);
3190
3191	<	r = new IncAction();
3192	<	f = new CompletableFuture<>();
3193	<	f.complete(one);
3194	<	f2 = new CompletableFuture<>();
2170	<	g = f.acceptEither(f2, r);
2171	<	checkCompletedNormally(g, null);
2172	<	assertEquals(r.value, (Integer) 2);
2173	<	}
3191	>	checkCompletedExceptionally(f, ex);
3192	>	checkCompletedNormally(g, r.value);
3193	>	r.assertInvoked();
3194	>	}}
3195
3196		/**
3197	<	* acceptEither result completes exceptionally after exceptional
2177	<	* completion of either source
3197	>	* exceptionallyCompose completes exceptionally on exception if action does
3198		*/
3199	<	public void testAcceptEither2() {
3200	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3201	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3202	<	IncAction r = new IncAction();
3203	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
3204	<	f.completeExceptionally(new CFException());
3205	<	f2.complete(one);
3206	<	checkCompletedWithWrappedCFException(g);
3199	>	public void testExceptionallyCompose_actionFailed() {
3200	>	for (ExecutionMode m : ExecutionMode.values())
3201	>	for (boolean createIncomplete : new boolean[] { true, false })
3202	>	{
3203	>	final CFException ex = new CFException();
3204	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3205	>	final FailingExceptionalCompletableFutureFunction r
3206	>	= new FailingExceptionalCompletableFutureFunction(m);
3207	>	if (!createIncomplete) f.completeExceptionally(ex);
3208	>	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3209	>	if (createIncomplete) f.completeExceptionally(ex);
3210	>
3211	>	checkCompletedExceptionally(f, ex);
3212	>	checkCompletedWithWrappedException(g, r.ex);
3213	>	r.assertInvoked();
3214	>	}}
3215	>
3216	>	/**
3217	>	* exceptionallyCompose result completes exceptionally if the
3218	>	* result of the action does
3219	>	*/
3220	>	public void testExceptionallyCompose_actionReturnsFailingFuture() {
3221	>	for (ExecutionMode m : ExecutionMode.values())
3222	>	for (int order = 0; order < 6; order++)
3223	>	{
3224	>	final CFException ex0 = new CFException();
3225	>	final CFException ex = new CFException();
3226	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3227	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3228	>	final CompletableFuture<Integer> h;
3229	>	// Test all permutations of orders
3230	>	switch (order) {
3231	>	case 0:
3232	>	assertTrue(f.completeExceptionally(ex0));
3233	>	assertTrue(g.completeExceptionally(ex));
3234	>	h = m.exceptionallyCompose(f, x -> g);
3235	>	break;
3236	>	case 1:
3237	>	assertTrue(f.completeExceptionally(ex0));
3238	>	h = m.exceptionallyCompose(f, x -> g);
3239	>	assertTrue(g.completeExceptionally(ex));
3240	>	break;
3241	>	case 2:
3242	>	assertTrue(g.completeExceptionally(ex));
3243	>	assertTrue(f.completeExceptionally(ex0));
3244	>	h = m.exceptionallyCompose(f, x -> g);
3245	>	break;
3246	>	case 3:
3247	>	assertTrue(g.completeExceptionally(ex));
3248	>	h = m.exceptionallyCompose(f, x -> g);
3249	>	assertTrue(f.completeExceptionally(ex0));
3250	>	break;
3251	>	case 4:
3252	>	h = m.exceptionallyCompose(f, x -> g);
3253	>	assertTrue(f.completeExceptionally(ex0));
3254	>	assertTrue(g.completeExceptionally(ex));
3255	>	break;
3256	>	case 5:
3257	>	h = m.exceptionallyCompose(f, x -> g);
3258	>	assertTrue(f.completeExceptionally(ex0));
3259	>	assertTrue(g.completeExceptionally(ex));
3260	>	break;
3261	>	default: throw new AssertionError();
3262	>	}
3263	>
3264	>	checkCompletedExceptionally(g, ex);
3265	>	checkCompletedWithWrappedException(h, ex);
3266	>	checkCompletedExceptionally(f, ex0);
3267	>	}}
3268
3269	<	r = new IncAction();
2189	<	f = new CompletableFuture<>();
2190	<	f2 = new CompletableFuture<>();
2191	<	f2.completeExceptionally(new CFException());
2192	<	g = f.acceptEither(f2, r);
2193	<	checkCompletedWithWrappedCFException(g);
2194	<	}
3269	>	// other static methods
3270
3271		/**
3272	<	* acceptEither result completes exceptionally if action does
3272	>	* allOf(no component futures) returns a future completed normally
3273	>	* with the value null
3274		*/
3275	<	public void testAcceptEither3() {
3276	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3277	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2202	<	FailingConsumer r = new FailingConsumer();
2203	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2204	<	f2.complete(two);
2205	<	checkCompletedWithWrappedCFException(g);
3275	>	public void testAllOf_empty() throws Exception {
3276	>	CompletableFuture<Void> f = CompletableFuture.allOf();
3277	>	checkCompletedNormally(f, null);
3278		}
3279
3280		/**
3281	<	* acceptEither result completes exceptionally if either source cancelled
3281	>	* allOf returns a future completed normally with the value null
3282	>	* when all components complete normally
3283		*/
3284	<	public void testAcceptEither4() {
3285	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3286	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3287	<	IncAction r = new IncAction();
3288	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
3289	<	assertTrue(f.cancel(true));
3290	<	checkCompletedWithWrappedCancellationException(g);
3291	<	f = new CompletableFuture<>();
3292	<	f2 = new CompletableFuture<>();
3293	<	assertTrue(f2.cancel(true));
3294	<	checkCompletedWithWrappedCancellationException(g);
3284	>	public void testAllOf_normal() throws Exception {
3285	>	for (int k = 1; k < 10; k++) {
3286	>	CompletableFuture<Integer>[] fs
3287	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3288	>	for (int i = 0; i < k; i++)
3289	>	fs[i] = new CompletableFuture<>();
3290	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3291	>	for (int i = 0; i < k; i++) {
3292	>	checkIncomplete(f);
3293	>	checkIncomplete(CompletableFuture.allOf(fs));
3294	>	fs[i].complete(one);
3295	>	}
3296	>	checkCompletedNormally(f, null);
3297	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3298	>	}
3299		}
3300
3301	<	/**
3302	<	* runAfterEither result completes normally after normal completion
3303	<	* of either source
3304	<	*/
3305	<	public void testRunAfterEither() {
3306	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3307	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3308	<	Noop r = new Noop();
3309	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
3310	<	f.complete(one);
3311	<	checkCompletedNormally(g, null);
3312	<	f2.complete(one);
3313	<	checkCompletedNormally(g, null);
3314	<	assertTrue(r.ran);
3301	>	public void testAllOf_normal_backwards() throws Exception {
3302	>	for (int k = 1; k < 10; k++) {
3303	>	CompletableFuture<Integer>[] fs
3304	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3305	>	for (int i = 0; i < k; i++)
3306	>	fs[i] = new CompletableFuture<>();
3307	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3308	>	for (int i = k - 1; i >= 0; i--) {
3309	>	checkIncomplete(f);
3310	>	checkIncomplete(CompletableFuture.allOf(fs));
3311	>	fs[i].complete(one);
3312	>	}
3313	>	checkCompletedNormally(f, null);
3314	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3315	>	}
3316	>	}
3317
3318	<	r = new Noop();
3319	<	f = new CompletableFuture<>();
3320	<	f.complete(one);
3321	<	f2 = new CompletableFuture<>();
3322	<	g = f.runAfterEither(f2, r);
3323	<	checkCompletedNormally(g, null);
3324	<	assertTrue(r.ran);
3318	>	public void testAllOf_exceptional() throws Exception {
3319	>	for (int k = 1; k < 10; k++) {
3320	>	CompletableFuture<Integer>[] fs
3321	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3322	>	CFException ex = new CFException();
3323	>	for (int i = 0; i < k; i++)
3324	>	fs[i] = new CompletableFuture<>();
3325	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3326	>	for (int i = 0; i < k; i++) {
3327	>	checkIncomplete(f);
3328	>	checkIncomplete(CompletableFuture.allOf(fs));
3329	>	if (i != k / 2) {
3330	>	fs[i].complete(i);
3331	>	checkCompletedNormally(fs[i], i);
3332	>	} else {
3333	>	fs[i].completeExceptionally(ex);
3334	>	checkCompletedExceptionally(fs[i], ex);
3335	>	}
3336	>	}
3337	>	checkCompletedWithWrappedException(f, ex);
3338	>	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3339	>	}
3340		}
3341
3342		/**
3343	<	* runAfterEither result completes exceptionally after exceptional
2250	<	* completion of either source
3343	>	* anyOf(no component futures) returns an incomplete future
3344		*/
3345	<	public void testRunAfterEither2() {
3346	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3347	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3348	<	Noop r = new Noop();
3349	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2257	<	f.completeExceptionally(new CFException());
2258	<	f2.complete(one);
2259	<	checkCompletedWithWrappedCFException(g);
3345	>	public void testAnyOf_empty() throws Exception {
3346	>	for (Integer v1 : new Integer[] { 1, null })
3347	>	{
3348	>	CompletableFuture<Object> f = CompletableFuture.anyOf();
3349	>	checkIncomplete(f);
3350
3351	<	r = new Noop();
3352	<	f = new CompletableFuture<>();
3353	<	f2 = new CompletableFuture<>();
2264	<	f2.completeExceptionally(new CFException());
2265	<	g = f.runAfterEither(f2, r);
2266	<	checkCompletedWithWrappedCFException(g);
2267	<	}
3351	>	f.complete(v1);
3352	>	checkCompletedNormally(f, v1);
3353	>	}}
3354
3355		/**
3356	<	* runAfterEither result completes exceptionally if action does
3356	>	* anyOf returns a future completed normally with a value when
3357	>	* a component future does
3358		*/
3359	<	public void testRunAfterEither3() {
3360	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3361	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3362	<	FailingNoop r = new FailingNoop();
3363	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
3364	<	f2.complete(two);
3365	<	checkCompletedWithWrappedCFException(g);
3359	>	public void testAnyOf_normal() throws Exception {
3360	>	for (int k = 0; k < 10; k++) {
3361	>	CompletableFuture[] fs = new CompletableFuture[k];
3362	>	for (int i = 0; i < k; i++)
3363	>	fs[i] = new CompletableFuture<>();
3364	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3365	>	checkIncomplete(f);
3366	>	for (int i = 0; i < k; i++) {
3367	>	fs[i].complete(i);
3368	>	checkCompletedNormally(f, 0);
3369	>	int x = (int) CompletableFuture.anyOf(fs).join();
3370	>	assertTrue(0 <= x && x <= i);
3371	>	}
3372	>	}
3373		}
3374	<
3375	<	/**
3376	<	* runAfterEither result completes exceptionally if either source cancelled
3377	<	*/
3378	<	public void testRunAfterEither4() {
3379	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3380	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3381	<	Noop r = new Noop();
3382	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
3383	<	assertTrue(f.cancel(true));
3384	<	checkCompletedWithWrappedCancellationException(g);
3385	<	f = new CompletableFuture<>();
3386	<	f2 = new CompletableFuture<>();
3387	<	assertTrue(f2.cancel(true));
2294	<	checkCompletedWithWrappedCancellationException(g);
3374	>	public void testAnyOf_normal_backwards() throws Exception {
3375	>	for (int k = 0; k < 10; k++) {
3376	>	CompletableFuture[] fs = new CompletableFuture[k];
3377	>	for (int i = 0; i < k; i++)
3378	>	fs[i] = new CompletableFuture<>();
3379	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3380	>	checkIncomplete(f);
3381	>	for (int i = k - 1; i >= 0; i--) {
3382	>	fs[i].complete(i);
3383	>	checkCompletedNormally(f, k - 1);
3384	>	int x = (int) CompletableFuture.anyOf(fs).join();
3385	>	assertTrue(i <= x && x <= k - 1);
3386	>	}
3387	>	}
3388		}
3389
3390		/**
3391	<	* thenCompose result completes normally after normal completion of source
3391	>	* anyOf result completes exceptionally when any component does.
3392		*/
3393	<	public void testThenCompose() {
3394	<	CompletableFuture<Integer> f, g;
3395	<	CompletableFutureInc r;
3396	<
3397	<	f = new CompletableFuture<>();
3398	<	g = f.thenCompose(r = new CompletableFutureInc());
3399	<	f.complete(one);
3400	<	checkCompletedNormally(g, two);
3401	<	assertTrue(r.ran);
3393	>	public void testAnyOf_exceptional() throws Exception {
3394	>	for (int k = 0; k < 10; k++) {
3395	>	CompletableFuture[] fs = new CompletableFuture[k];
3396	>	CFException[] exs = new CFException[k];
3397	>	for (int i = 0; i < k; i++) {
3398	>	fs[i] = new CompletableFuture<>();
3399	>	exs[i] = new CFException();
3400	>	}
3401	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3402	>	checkIncomplete(f);
3403	>	for (int i = 0; i < k; i++) {
3404	>	fs[i].completeExceptionally(exs[i]);
3405	>	checkCompletedWithWrappedException(f, exs[0]);
3406	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3407	>	}
3408	>	}
3409	>	}
3410
3411	<	f = new CompletableFuture<>();
3412	<	f.complete(one);
3413	<	g = f.thenCompose(r = new CompletableFutureInc());
3414	<	checkCompletedNormally(g, two);
3415	<	assertTrue(r.ran);
3411	>	public void testAnyOf_exceptional_backwards() throws Exception {
3412	>	for (int k = 0; k < 10; k++) {
3413	>	CompletableFuture[] fs = new CompletableFuture[k];
3414	>	CFException[] exs = new CFException[k];
3415	>	for (int i = 0; i < k; i++) {
3416	>	fs[i] = new CompletableFuture<>();
3417	>	exs[i] = new CFException();
3418	>	}
3419	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3420	>	checkIncomplete(f);
3421	>	for (int i = k - 1; i >= 0; i--) {
3422	>	fs[i].completeExceptionally(exs[i]);
3423	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3424	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3425	>	}
3426	>	}
3427		}
3428
3429		/**
3430	<	* thenCompose result completes exceptionally after exceptional
2319	<	* completion of source
3430	>	* Completion methods throw NullPointerException with null arguments
3431		*/
3432	<	public void testThenCompose2() {
3433	<	CompletableFuture<Integer> f, g;
3434	<	CompletableFutureInc r;
3432	>	@SuppressWarnings("FutureReturnValueIgnored")
3433	>	public void testNPE() {
3434	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3435	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3436	>	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3437	>	ThreadExecutor exec = new ThreadExecutor();
3438
3439	<	f = new CompletableFuture<>();
3440	<	g = f.thenCompose(r = new CompletableFutureInc());
3441	<	f.completeExceptionally(new CFException());
3442	<	checkCompletedWithWrappedCFException(g);
3439	>	Runnable[] throwingActions = {
3440	>	() -> CompletableFuture.supplyAsync(null),
3441	>	() -> CompletableFuture.supplyAsync(null, exec),
3442	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3443
3444	<	f = new CompletableFuture<>();
3445	<	f.completeExceptionally(new CFException());
3446	<	g = f.thenCompose(r = new CompletableFutureInc());
2333	<	checkCompletedWithWrappedCFException(g);
2334	<	}
3444	>	() -> CompletableFuture.runAsync(null),
3445	>	() -> CompletableFuture.runAsync(null, exec),
3446	>	() -> CompletableFuture.runAsync(() -> {}, null),
3447
3448	<	/**
2337	<	* thenCompose result completes exceptionally if action does
2338	<	*/
2339	<	public void testThenCompose3() {
2340	<	CompletableFuture<Integer> f, g;
2341	<	FailingCompletableFutureFunction r;
3448	>	() -> f.completeExceptionally(null),
3449
3450	<	f = new CompletableFuture<>();
3451	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
3452	<	f.complete(one);
3453	<	checkCompletedWithWrappedCFException(g);
3450	>	() -> f.thenApply(null),
3451	>	() -> f.thenApplyAsync(null),
3452	>	() -> f.thenApplyAsync(x -> x, null),
3453	>	() -> f.thenApplyAsync(null, exec),
3454
3455	<	f = new CompletableFuture<>();
3456	<	f.complete(one);
3457	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
3458	<	checkCompletedWithWrappedCFException(g);
2352	<	}
3455	>	() -> f.thenAccept(null),
3456	>	() -> f.thenAcceptAsync(null),
3457	>	() -> f.thenAcceptAsync(x -> {} , null),
3458	>	() -> f.thenAcceptAsync(null, exec),
3459
3460	<	/**
3461	<	* thenCompose result completes exceptionally if source cancelled
3462	<	*/
3463	<	public void testThenCompose4() {
2358	<	CompletableFuture<Integer> f, g;
2359	<	CompletableFutureInc r;
3460	>	() -> f.thenRun(null),
3461	>	() -> f.thenRunAsync(null),
3462	>	() -> f.thenRunAsync(() -> {} , null),
3463	>	() -> f.thenRunAsync(null, exec),
3464
3465	<	f = new CompletableFuture<>();
3466	<	g = f.thenCompose(r = new CompletableFutureInc());
3467	<	assertTrue(f.cancel(true));
3468	<	checkCompletedWithWrappedCancellationException(g);
3465	>	() -> f.thenCombine(g, null),
3466	>	() -> f.thenCombineAsync(g, null),
3467	>	() -> f.thenCombineAsync(g, null, exec),
3468	>	() -> f.thenCombine(nullFuture, (x, y) -> x),
3469	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3470	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3471	>	() -> f.thenCombineAsync(g, (x, y) -> x, null),
3472
3473	<	f = new CompletableFuture<>();
3474	<	assertTrue(f.cancel(true));
3475	<	g = f.thenCompose(r = new CompletableFutureInc());
3476	<	checkCompletedWithWrappedCancellationException(g);
3477	<	}
3473	>	() -> f.thenAcceptBoth(g, null),
3474	>	() -> f.thenAcceptBothAsync(g, null),
3475	>	() -> f.thenAcceptBothAsync(g, null, exec),
3476	>	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3477	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3478	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3479	>	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3480
3481	<	// asyncs
3481	>	() -> f.runAfterBoth(g, null),
3482	>	() -> f.runAfterBothAsync(g, null),
3483	>	() -> f.runAfterBothAsync(g, null, exec),
3484	>	() -> f.runAfterBoth(nullFuture, () -> {}),
3485	>	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3486	>	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3487	>	() -> f.runAfterBothAsync(g, () -> {}, null),
3488
3489	<	/**
3490	<	* thenRunAsync result completes normally after normal completion of source
3491	<	*/
3492	<	public void testThenRunAsync() {
3493	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3494	<	Noop r = new Noop();
3495	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2381	<	f.complete(null);
2382	<	checkCompletedNormally(g, null);
3489	>	() -> f.applyToEither(g, null),
3490	>	() -> f.applyToEitherAsync(g, null),
3491	>	() -> f.applyToEitherAsync(g, null, exec),
3492	>	() -> f.applyToEither(nullFuture, x -> x),
3493	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3494	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3495	>	() -> f.applyToEitherAsync(g, x -> x, null),
3496
3497	<	// reordered version
3498	<	f = new CompletableFuture<>();
3499	<	f.complete(null);
3500	<	r = new Noop();
3501	<	g = f.thenRunAsync(r);
3502	<	checkCompletedNormally(g, null);
3503	<	}
3497	>	() -> f.acceptEither(g, null),
3498	>	() -> f.acceptEitherAsync(g, null),
3499	>	() -> f.acceptEitherAsync(g, null, exec),
3500	>	() -> f.acceptEither(nullFuture, x -> {}),
3501	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3502	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3503	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3504
3505	<	/**
3506	<	* thenRunAsync result completes exceptionally after exceptional
3507	<	* completion of source
3508	<	*/
3509	<	public void testThenRunAsync2() {
3510	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3511	<	Noop r = new Noop();
2399	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2400	<	f.completeExceptionally(new CFException());
2401	<	try {
2402	<	g.join();
2403	<	shouldThrow();
2404	<	} catch (CompletionException success) {}
2405	<	checkCompletedWithWrappedCFException(g);
2406	<	}
3505	>	() -> f.runAfterEither(g, null),
3506	>	() -> f.runAfterEitherAsync(g, null),
3507	>	() -> f.runAfterEitherAsync(g, null, exec),
3508	>	() -> f.runAfterEither(nullFuture, () -> {}),
3509	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3510	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3511	>	() -> f.runAfterEitherAsync(g, () -> {}, null),
3512
3513	<	/**
3514	<	* thenRunAsync result completes exceptionally if action does
3515	<	*/
3516	<	public void testThenRunAsync3() {
2412	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2413	<	FailingNoop r = new FailingNoop();
2414	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2415	<	f.complete(null);
2416	<	checkCompletedWithWrappedCFException(g);
2417	<	}
3513	>	() -> f.thenCompose(null),
3514	>	() -> f.thenComposeAsync(null),
3515	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3516	>	() -> f.thenComposeAsync(null, exec),
3517
3518	<	/**
2420	<	* thenRunAsync result completes exceptionally if source cancelled
2421	<	*/
2422	<	public void testThenRunAsync4() {
2423	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2424	<	Noop r = new Noop();
2425	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2426	<	assertTrue(f.cancel(true));
2427	<	checkCompletedWithWrappedCancellationException(g);
2428	<	}
3518	>	() -> f.exceptionally(null),
3519
3520	<	/**
2431	<	* thenApplyAsync result completes normally after normal completion of source
2432	<	*/
2433	<	public void testThenApplyAsync() {
2434	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2435	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2436	<	f.complete(one);
2437	<	checkCompletedNormally(g, two);
2438	<	}
3520	>	() -> f.handle(null),
3521
3522	<	/**
3523	<	* thenApplyAsync result completes exceptionally after exceptional
3524	<	* completion of source
3525	<	*/
2444	<	public void testThenApplyAsync2() {
2445	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2446	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2447	<	f.completeExceptionally(new CFException());
2448	<	checkCompletedWithWrappedCFException(g);
2449	<	}
3522	>	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3523	>	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3524	>	() -> CompletableFuture.allOf(f, null),
3525	>	() -> CompletableFuture.allOf(null, f),
3526
3527	<	/**
3528	<	* thenApplyAsync result completes exceptionally if action does
3529	<	*/
3530	<	public void testThenApplyAsync3() {
2455	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2456	<	FailingFunction r = new FailingFunction();
2457	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2458	<	f.complete(null);
2459	<	checkCompletedWithWrappedCFException(g);
2460	<	}
3527	>	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3528	>	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3529	>	() -> CompletableFuture.anyOf(f, null),
3530	>	() -> CompletableFuture.anyOf(null, f),
3531
3532	<	/**
2463	<	* thenApplyAsync result completes exceptionally if source cancelled
2464	<	*/
2465	<	public void testThenApplyAsync4() {
2466	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2467	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2468	<	assertTrue(f.cancel(true));
2469	<	checkCompletedWithWrappedCancellationException(g);
2470	<	}
3532	>	() -> f.obtrudeException(null),
3533
3534	<	/**
3535	<	* thenAcceptAsync result completes normally after normal
3536	<	* completion of source
2475	<	*/
2476	<	public void testThenAcceptAsync() {
2477	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2478	<	IncAction r = new IncAction();
2479	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2480	<	f.complete(one);
2481	<	checkCompletedNormally(g, null);
2482	<	assertEquals(r.value, (Integer) 2);
2483	<	}
3534	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3535	>	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3536	>	() -> CompletableFuture.delayedExecutor(1L, null),
3537
3538	<	/**
3539	<	* thenAcceptAsync result completes exceptionally after exceptional
2487	<	* completion of source
2488	<	*/
2489	<	public void testThenAcceptAsync2() {
2490	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2491	<	IncAction r = new IncAction();
2492	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2493	<	f.completeExceptionally(new CFException());
2494	<	checkCompletedWithWrappedCFException(g);
2495	<	}
3538	>	() -> f.orTimeout(1L, null),
3539	>	() -> f.completeOnTimeout(42, 1L, null),
3540
3541	<	/**
3542	<	* thenAcceptAsync result completes exceptionally if action does
3543	<	*/
2500	<	public void testThenAcceptAsync3() {
2501	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2502	<	FailingConsumer r = new FailingConsumer();
2503	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2504	<	f.complete(null);
2505	<	checkCompletedWithWrappedCFException(g);
2506	<	}
3541	>	() -> CompletableFuture.failedFuture(null),
3542	>	() -> CompletableFuture.failedStage(null),
3543	>	};
3544
3545	<	/**
3546	<	* thenAcceptAsync result completes exceptionally if source cancelled
2510	<	*/
2511	<	public void testThenAcceptAsync4() {
2512	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2513	<	IncAction r = new IncAction();
2514	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2515	<	assertTrue(f.cancel(true));
2516	<	checkCompletedWithWrappedCancellationException(g);
3545	>	assertThrows(NullPointerException.class, throwingActions);
3546	>	assertEquals(0, exec.count.get());
3547		}
3548
3549		/**
3550	<	* acceptEitherAsync result completes normally after normal
2521	<	* completion of sources
3550	>	* Test submissions to an executor that rejects all tasks.
3551		*/
3552	<	public void testAcceptEitherAsync() {
3553	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3554	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3555	<	IncAction r = new IncAction();
3556	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
3557	<	f.complete(one);
3558	<	checkCompletedNormally(g, null);
3559	<	assertEquals(r.value, (Integer) 2);
3552	>	public void testRejectingExecutor() {
3553	>	for (Integer v : new Integer[] { 1, null })
3554	>	{
3555	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3556	>
3557	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3558	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3559	>
3560	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3561	>
3562	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3563	>	srcs.add(complete);
3564	>	srcs.add(incomplete);
3565	>
3566	>	for (CompletableFuture<Integer> src : srcs) {
3567	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3568	>	fs.add(src.thenRunAsync(() -> {}, e));
3569	>	fs.add(src.thenAcceptAsync(z -> {}, e));
3570	>	fs.add(src.thenApplyAsync(z -> z, e));
3571	>
3572	>	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3573	>	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3574	>	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3575	>
3576	>	fs.add(src.applyToEitherAsync(src, z -> z, e));
3577	>	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3578	>	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3579	>
3580	>	fs.add(src.thenComposeAsync(z -> null, e));
3581	>	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3582	>	fs.add(src.handleAsync((z, t) -> null, e));
3583	>
3584	>	for (CompletableFuture<?> future : fs) {
3585	>	if (src.isDone())
3586	>	checkCompletedWithWrappedException(future, e.ex);
3587	>	else
3588	>	checkIncomplete(future);
3589	>	}
3590	>	futures.addAll(fs);
3591	>	}
3592
3593	<	r = new IncAction();
3594	<	f = new CompletableFuture<>();
2534	<	f.complete(one);
2535	<	f2 = new CompletableFuture<>();
2536	<	g = f.acceptEitherAsync(f2, r);
2537	<	checkCompletedNormally(g, null);
2538	<	assertEquals(r.value, (Integer) 2);
2539	<	}
3593	>	{
3594	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3595
3596	<	/**
3597	<	* acceptEitherAsync result completes exceptionally after exceptional
2543	<	* completion of source
2544	<	*/
2545	<	public void testAcceptEitherAsync2() {
2546	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2547	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2548	<	IncAction r = new IncAction();
2549	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2550	<	f.completeExceptionally(new CFException());
2551	<	checkCompletedWithWrappedCFException(g);
3596	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3597	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3598
3599	<	r = new IncAction();
3600	<	f = new CompletableFuture<>();
2555	<	f2 = new CompletableFuture<>();
2556	<	f2.completeExceptionally(new CFException());
2557	<	g = f.acceptEitherAsync(f2, r);
2558	<	f.complete(one);
2559	<	checkCompletedWithWrappedCFException(g);
2560	<	}
3599	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3600	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3601
3602	<	/**
3603	<	* acceptEitherAsync result completes exceptionally if action does
2564	<	*/
2565	<	public void testAcceptEitherAsync3() {
2566	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2567	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2568	<	FailingConsumer r = new FailingConsumer();
2569	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2570	<	f.complete(one);
2571	<	checkCompletedWithWrappedCFException(g);
2572	<	}
3602	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3603	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3604
3605	<	/**
3606	<	* acceptEitherAsync result completes exceptionally if either
3607	<	* source cancelled
3608	<	*/
2578	<	public void testAcceptEitherAsync4() {
2579	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2580	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2581	<	IncAction r = new IncAction();
2582	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2583	<	assertTrue(f.cancel(true));
2584	<	checkCompletedWithWrappedCancellationException(g);
3605	>	for (CompletableFuture<?> future : fs)
3606	>	checkIncomplete(future);
3607	>	futures.addAll(fs);
3608	>	}
3609
3610	<	r = new IncAction();
3611	<	f = new CompletableFuture<>();
2588	<	f2 = new CompletableFuture<>();
2589	<	assertTrue(f2.cancel(true));
2590	<	g = f.acceptEitherAsync(f2, r);
2591	<	checkCompletedWithWrappedCancellationException(g);
2592	<	}
3610	>	{
3611	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3612
3613	<	/**
3614	<	* runAfterEitherAsync result completes normally after normal
2596	<	* completion of sources
2597	<	*/
2598	<	public void testRunAfterEitherAsync() {
2599	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2600	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2601	<	Noop r = new Noop();
2602	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2603	<	f.complete(one);
2604	<	checkCompletedNormally(g, null);
2605	<	assertTrue(r.ran);
3613	>	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3614	>	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3615
3616	<	r = new Noop();
3617	<	f = new CompletableFuture<>();
2609	<	f.complete(one);
2610	<	f2 = new CompletableFuture<>();
2611	<	g = f.runAfterEitherAsync(f2, r);
2612	<	checkCompletedNormally(g, null);
2613	<	assertTrue(r.ran);
2614	<	}
3616	>	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3617	>	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3618
3619	<	/**
3620	<	* runAfterEitherAsync result completes exceptionally after exceptional
2618	<	* completion of source
2619	<	*/
2620	<	public void testRunAfterEitherAsync2() {
2621	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2622	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2623	<	Noop r = new Noop();
2624	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2625	<	f.completeExceptionally(new CFException());
2626	<	checkCompletedWithWrappedCFException(g);
3619	>	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3620	>	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3621
3622	<	r = new Noop();
3623	<	f = new CompletableFuture<>();
3624	<	f2 = new CompletableFuture<>();
3625	<	f2.completeExceptionally(new CFException());
2632	<	g = f.runAfterEitherAsync(f2, r);
2633	<	f.complete(one);
2634	<	checkCompletedWithWrappedCFException(g);
2635	<	}
3622	>	for (CompletableFuture<?> future : fs)
3623	>	checkCompletedWithWrappedException(future, e.ex);
3624	>	futures.addAll(fs);
3625	>	}
3626
3627	<	/**
2638	<	* runAfterEitherAsync result completes exceptionally if action does
2639	<	*/
2640	<	public void testRunAfterEitherAsync3() {
2641	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2642	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2643	<	FailingNoop r = new FailingNoop();
2644	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2645	<	f.complete(one);
2646	<	checkCompletedWithWrappedCFException(g);
2647	<	}
3627	>	incomplete.complete(v);
3628
3629	<	/**
3630	<	* runAfterEitherAsync result completes exceptionally if either
2651	<	* source cancelled
2652	<	*/
2653	<	public void testRunAfterEitherAsync4() {
2654	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2655	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2656	<	Noop r = new Noop();
2657	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2658	<	assertTrue(f.cancel(true));
2659	<	checkCompletedWithWrappedCancellationException(g);
3629	>	for (CompletableFuture<?> future : futures)
3630	>	checkCompletedWithWrappedException(future, e.ex);
3631
3632	<	r = new Noop();
3633	<	f = new CompletableFuture<>();
2663	<	f2 = new CompletableFuture<>();
2664	<	assertTrue(f2.cancel(true));
2665	<	g = f.runAfterEitherAsync(f2, r);
2666	<	checkCompletedWithWrappedCancellationException(g);
2667	<	}
3632	>	assertEquals(futures.size(), e.count.get());
3633	>	}}
3634
3635		/**
3636	<	* thenComposeAsync result completes normally after normal
3637	<	* completion of source
3636	>	* Test submissions to an executor that rejects all tasks, but
3637	>	* should never be invoked because the dependent future is
3638	>	* explicitly completed.
3639		*/
3640	<	public void testThenComposeAsync() {
3641	<	CompletableFuture<Integer> f, g;
3642	<	CompletableFutureInc r;
3643	<
2677	<	f = new CompletableFuture<>();
2678	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2679	<	f.complete(one);
2680	<	checkCompletedNormally(g, two);
3640	>	public void testRejectingExecutorNeverInvoked() {
3641	>	for (Integer v : new Integer[] { 1, null })
3642	>	{
3643	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3644
3645	<	f = new CompletableFuture<>();
3646	<	f.complete(one);
2684	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2685	<	checkCompletedNormally(g, two);
2686	<	}
3645	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3646	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3647
3648	<	/**
3649	<	* thenComposeAsync result completes exceptionally after
3650	<	* exceptional completion of source
3651	<	*/
2692	<	public void testThenComposeAsync2() {
2693	<	CompletableFuture<Integer> f, g;
2694	<	CompletableFutureInc r;
3648	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3649	>	fs.add(incomplete.thenRunAsync(() -> {}, e));
3650	>	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3651	>	fs.add(incomplete.thenApplyAsync(z -> z, e));
3652
3653	<	f = new CompletableFuture<>();
3654	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3655	<	f.completeExceptionally(new CFException());
2699	<	checkCompletedWithWrappedCFException(g);
2700	<	assertFalse(r.ran);
3653	>	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3654	>	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3655	>	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3656
3657	<	f = new CompletableFuture<>();
3658	<	f.completeExceptionally(new CFException());
3659	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2705	<	checkCompletedWithWrappedCFException(g);
2706	<	assertFalse(r.ran);
2707	<	}
3657	>	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3658	>	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3659	>	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3660
3661	<	/**
3662	<	* thenComposeAsync result completes exceptionally if action does
3663	<	*/
2712	<	public void testThenComposeAsync3() {
2713	<	CompletableFuture<Integer> f, g;
2714	<	FailingCompletableFutureFunction r;
3661	>	fs.add(incomplete.thenComposeAsync(z -> null, e));
3662	>	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3663	>	fs.add(incomplete.handleAsync((z, t) -> null, e));
3664
3665	<	f = new CompletableFuture<>();
3666	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2718	<	f.complete(one);
2719	<	checkCompletedWithWrappedCFException(g);
3665	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3666	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3667
3668	<	f = new CompletableFuture<>();
3669	<	f.complete(one);
2723	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2724	<	checkCompletedWithWrappedCFException(g);
2725	<	}
3668	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3669	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3670
3671	<	/**
3672	<	* thenComposeAsync result completes exceptionally if source cancelled
2729	<	*/
2730	<	public void testThenComposeAsync4() {
2731	<	CompletableFuture<Integer> f, g;
2732	<	CompletableFutureInc r;
3671	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3672	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3673
3674	<	f = new CompletableFuture<>();
3675	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2736	<	assertTrue(f.cancel(true));
2737	<	checkCompletedWithWrappedCancellationException(g);
3674	>	for (CompletableFuture<?> future : fs)
3675	>	checkIncomplete(future);
3676
3677	<	f = new CompletableFuture<>();
3678	<	assertTrue(f.cancel(true));
2741	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2742	<	checkCompletedWithWrappedCancellationException(g);
2743	<	}
3677	>	for (CompletableFuture<?> future : fs)
3678	>	future.complete(null);
3679
3680	<	// async with explicit executors
3680	>	incomplete.complete(v);
3681
3682	<	/**
3683	<	* thenRunAsync result completes normally after normal completion of source
2749	<	*/
2750	<	public void testThenRunAsyncE() {
2751	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2752	<	Noop r = new Noop();
2753	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2754	<	f.complete(null);
2755	<	checkCompletedNormally(g, null);
3682	>	for (CompletableFuture<?> future : fs)
3683	>	checkCompletedNormally(future, null);
3684
3685	<	// reordered version
3686	<	f = new CompletableFuture<>();
2759	<	f.complete(null);
2760	<	r = new Noop();
2761	<	g = f.thenRunAsync(r, new ThreadExecutor());
2762	<	checkCompletedNormally(g, null);
2763	<	}
3685	>	assertEquals(0, e.count.get());
3686	>	}}
3687
3688		/**
3689	<	* thenRunAsync result completes exceptionally after exceptional
2767	<	* completion of source
3689	>	* toCompletableFuture returns this CompletableFuture.
3690		*/
3691	<	public void testThenRunAsync2E() {
3691	>	public void testToCompletableFuture() {
3692		CompletableFuture<Integer> f = new CompletableFuture<>();
3693	<	Noop r = new Noop();
2772	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2773	<	f.completeExceptionally(new CFException());
2774	<	try {
2775	<	g.join();
2776	<	shouldThrow();
2777	<	} catch (CompletionException success) {}
2778	<	checkCompletedWithWrappedCFException(g);
3693	>	assertSame(f, f.toCompletableFuture());
3694		}
3695
3696	<	/**
2782	<	* thenRunAsync result completes exceptionally if action does
2783	<	*/
2784	<	public void testThenRunAsync3E() {
2785	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2786	<	FailingNoop r = new FailingNoop();
2787	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2788	<	f.complete(null);
2789	<	checkCompletedWithWrappedCFException(g);
2790	<	}
3696	>	// jdk9
3697
3698		/**
3699	<	* thenRunAsync result completes exceptionally if source cancelled
3699	>	* newIncompleteFuture returns an incomplete CompletableFuture
3700		*/
3701	<	public void testThenRunAsync4E() {
3701	>	public void testNewIncompleteFuture() {
3702	>	for (Integer v1 : new Integer[] { 1, null })
3703	>	{
3704		CompletableFuture<Integer> f = new CompletableFuture<>();
3705	<	Noop r = new Noop();
3706	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3707	<	assertTrue(f.cancel(true));
3708	<	checkCompletedWithWrappedCancellationException(g);
3709	<	}
3705	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3706	>	checkIncomplete(f);
3707	>	checkIncomplete(g);
3708	>	f.complete(v1);
3709	>	checkCompletedNormally(f, v1);
3710	>	checkIncomplete(g);
3711	>	g.complete(v1);
3712	>	checkCompletedNormally(g, v1);
3713	>	assertSame(g.getClass(), CompletableFuture.class);
3714	>	}}
3715
3716		/**
3717	<	* thenApplyAsync result completes normally after normal completion of source
3717	>	* completedStage returns a completed CompletionStage
3718		*/
3719	<	public void testThenApplyAsyncE() {
3720	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3721	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3722	<	f.complete(one);
3723	<	checkCompletedNormally(g, two);
3719	>	public void testCompletedStage() {
3720	>	AtomicInteger x = new AtomicInteger(0);
3721	>	AtomicReference<Throwable> r = new AtomicReference<>();
3722	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3723	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3724	>	assertEquals(x.get(), 1);
3725	>	assertNull(r.get());
3726		}
3727
3728		/**
3729	<	* thenApplyAsync result completes exceptionally after exceptional
3730	<	* completion of source
3729	>	* defaultExecutor by default returns the commonPool if
3730	>	* it supports more than one thread.
3731		*/
3732	<	public void testThenApplyAsync2E() {
3732	>	public void testDefaultExecutor() {
3733		CompletableFuture<Integer> f = new CompletableFuture<>();
3734	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3735	<	f.completeExceptionally(new CFException());
3736	<	checkCompletedWithWrappedCFException(g);
3734	>	Executor e = f.defaultExecutor();
3735	>	Executor c = ForkJoinPool.commonPool();
3736	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3737	>	assertSame(e, c);
3738	>	else
3739	>	assertNotSame(e, c);
3740		}
3741
3742		/**
3743	<	* thenApplyAsync result completes exceptionally if action does
3743	>	* failedFuture returns a CompletableFuture completed
3744	>	* exceptionally with the given Exception
3745		*/
3746	<	public void testThenApplyAsync3E() {
3747	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3748	<	FailingFunction r = new FailingFunction();
3749	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2831	<	f.complete(null);
2832	<	checkCompletedWithWrappedCFException(g);
3746	>	public void testFailedFuture() {
3747	>	CFException ex = new CFException();
3748	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3749	>	checkCompletedExceptionally(f, ex);
3750		}
3751
3752		/**
3753	<	* thenApplyAsync result completes exceptionally if source cancelled
3753	>	* failedFuture(null) throws NPE
3754		*/
3755	<	public void testThenApplyAsync4E() {
3756	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3757	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3758	<	assertTrue(f.cancel(true));
3759	<	checkCompletedWithWrappedCancellationException(g);
3755	>	public void testFailedFuture_null() {
3756	>	try {
3757	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3758	>	shouldThrow();
3759	>	} catch (NullPointerException success) {}
3760		}
3761
3762		/**
3763	<	* thenAcceptAsync result completes normally after normal
3764	<	* completion of source
3763	>	* copy returns a CompletableFuture that is completed normally,
3764	>	* with the same value, when source is.
3765		*/
3766	<	public void testThenAcceptAsyncE() {
3766	>	public void testCopy_normalCompletion() {
3767	>	for (boolean createIncomplete : new boolean[] { true, false })
3768	>	for (Integer v1 : new Integer[] { 1, null })
3769	>	{
3770		CompletableFuture<Integer> f = new CompletableFuture<>();
3771	<	IncAction r = new IncAction();
3772	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3773	<	f.complete(one);
3774	<	checkCompletedNormally(g, null);
3775	<	assertEquals(r.value, (Integer) 2);
3776	<	}
3771	>	if (!createIncomplete) assertTrue(f.complete(v1));
3772	>	CompletableFuture<Integer> g = f.copy();
3773	>	if (createIncomplete) {
3774	>	checkIncomplete(f);
3775	>	checkIncomplete(g);
3776	>	assertTrue(f.complete(v1));
3777	>	}
3778	>	checkCompletedNormally(f, v1);
3779	>	checkCompletedNormally(g, v1);
3780	>	}}
3781
3782		/**
3783	<	* thenAcceptAsync result completes exceptionally after exceptional
3784	<	* completion of source
3783	>	* copy returns a CompletableFuture that is completed exceptionally
3784	>	* when source is.
3785		*/
3786	<	public void testThenAcceptAsync2E() {
3786	>	public void testCopy_exceptionalCompletion() {
3787	>	for (boolean createIncomplete : new boolean[] { true, false })
3788	>	{
3789	>	CFException ex = new CFException();
3790		CompletableFuture<Integer> f = new CompletableFuture<>();
3791	<	IncAction r = new IncAction();
3792	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3793	<	f.completeExceptionally(new CFException());
3794	<	checkCompletedWithWrappedCFException(g);
3795	<	}
3791	>	if (!createIncomplete) f.completeExceptionally(ex);
3792	>	CompletableFuture<Integer> g = f.copy();
3793	>	if (createIncomplete) {
3794	>	checkIncomplete(f);
3795	>	checkIncomplete(g);
3796	>	f.completeExceptionally(ex);
3797	>	}
3798	>	checkCompletedExceptionally(f, ex);
3799	>	checkCompletedWithWrappedException(g, ex);
3800	>	}}
3801
3802		/**
3803	<	* thenAcceptAsync result completes exceptionally if action does
3803	>	* Completion of a copy does not complete its source.
3804		*/
3805	<	public void testThenAcceptAsync3E() {
3805	>	public void testCopy_oneWayPropagation() {
3806		CompletableFuture<Integer> f = new CompletableFuture<>();
3807	<	FailingConsumer r = new FailingConsumer();
3808	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3809	<	f.complete(null);
3810	<	checkCompletedWithWrappedCFException(g);
3807	>	assertTrue(f.copy().complete(1));
3808	>	assertTrue(f.copy().complete(null));
3809	>	assertTrue(f.copy().cancel(true));
3810	>	assertTrue(f.copy().cancel(false));
3811	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3812	>	checkIncomplete(f);
3813		}
3814
3815		/**
3816	<	* thenAcceptAsync result completes exceptionally if source cancelled
3816	>	* minimalCompletionStage returns a CompletableFuture that is
3817	>	* completed normally, with the same value, when source is.
3818		*/
3819	<	public void testThenAcceptAsync4E() {
3819	>	public void testMinimalCompletionStage() {
3820		CompletableFuture<Integer> f = new CompletableFuture<>();
3821	<	IncAction r = new IncAction();
3822	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3823	<	assertTrue(f.cancel(true));
3824	<	checkCompletedWithWrappedCancellationException(g);
3821	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3822	>	AtomicInteger x = new AtomicInteger(0);
3823	>	AtomicReference<Throwable> r = new AtomicReference<>();
3824	>	checkIncomplete(f);
3825	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3826	>	f.complete(1);
3827	>	checkCompletedNormally(f, 1);
3828	>	assertEquals(x.get(), 1);
3829	>	assertNull(r.get());
3830		}
3831
3832		/**
3833	<	* acceptEitherAsync result completes normally after normal
3834	<	* completion of sources
3833	>	* minimalCompletionStage returns a CompletableFuture that is
3834	>	* completed exceptionally when source is.
3835		*/
3836	<	public void testAcceptEitherAsyncE() {
3836	>	public void testMinimalCompletionStage2() {
3837		CompletableFuture<Integer> f = new CompletableFuture<>();
3838	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3839	<	IncAction r = new IncAction();
3840	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3841	<	f.complete(one);
3842	<	checkCompletedNormally(g, null);
3843	<	assertEquals(r.value, (Integer) 2);
3844	<
3845	<	r = new IncAction();
3846	<	f = new CompletableFuture<>();
3847	<	f.complete(one);
2908	<	f2 = new CompletableFuture<>();
2909	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2910	<	checkCompletedNormally(g, null);
2911	<	assertEquals(r.value, (Integer) 2);
3838	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3839	>	AtomicInteger x = new AtomicInteger(0);
3840	>	AtomicReference<Throwable> r = new AtomicReference<>();
3841	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3842	>	checkIncomplete(f);
3843	>	CFException ex = new CFException();
3844	>	f.completeExceptionally(ex);
3845	>	checkCompletedExceptionally(f, ex);
3846	>	assertEquals(x.get(), 0);
3847	>	assertEquals(r.get().getCause(), ex);
3848		}
3849
3850		/**
3851	<	* acceptEitherAsync result completes exceptionally after exceptional
3852	<	* completion of source
3851	>	* failedStage returns a CompletionStage completed
3852	>	* exceptionally with the given Exception
3853		*/
3854	<	public void testAcceptEitherAsync2E() {
3855	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3856	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3857	<	IncAction r = new IncAction();
3858	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3859	<	f.completeExceptionally(new CFException());
3860	<	checkCompletedWithWrappedCFException(g);
3861	<
2926	<	r = new IncAction();
2927	<	f = new CompletableFuture<>();
2928	<	f2 = new CompletableFuture<>();
2929	<	f2.completeExceptionally(new CFException());
2930	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2931	<	f.complete(one);
2932	<	checkCompletedWithWrappedCFException(g);
3854	>	public void testFailedStage() {
3855	>	CFException ex = new CFException();
3856	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3857	>	AtomicInteger x = new AtomicInteger(0);
3858	>	AtomicReference<Throwable> r = new AtomicReference<>();
3859	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3860	>	assertEquals(x.get(), 0);
3861	>	assertEquals(r.get(), ex);
3862		}
3863
3864		/**
3865	<	* acceptEitherAsync result completes exceptionally if action does
3865	>	* completeAsync completes with value of given supplier
3866		*/
3867	<	public void testAcceptEitherAsync3E() {
3867	>	public void testCompleteAsync() {
3868	>	for (Integer v1 : new Integer[] { 1, null })
3869	>	{
3870		CompletableFuture<Integer> f = new CompletableFuture<>();
3871	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3872	<	FailingConsumer r = new FailingConsumer();
3873	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3874	<	f.complete(one);
2944	<	checkCompletedWithWrappedCFException(g);
2945	<	}
3871	>	f.completeAsync(() -> v1);
3872	>	f.join();
3873	>	checkCompletedNormally(f, v1);
3874	>	}}
3875
3876		/**
3877	<	* acceptEitherAsync result completes exceptionally if either
2949	<	* source cancelled
3877	>	* completeAsync completes exceptionally if given supplier throws
3878		*/
3879	<	public void testAcceptEitherAsync4E() {
3879	>	public void testCompleteAsync2() {
3880		CompletableFuture<Integer> f = new CompletableFuture<>();
3881	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3882	<	IncAction r = new IncAction();
3883	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3884	<	assertTrue(f.cancel(true));
3885	<	checkCompletedWithWrappedCancellationException(g);
3886	<
3887	<	r = new IncAction();
2960	<	f = new CompletableFuture<>();
2961	<	f2 = new CompletableFuture<>();
2962	<	assertTrue(f2.cancel(true));
2963	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2964	<	checkCompletedWithWrappedCancellationException(g);
3881	>	CFException ex = new CFException();
3882	>	f.completeAsync(() -> { throw ex; });
3883	>	try {
3884	>	f.join();
3885	>	shouldThrow();
3886	>	} catch (CompletionException success) {}
3887	>	checkCompletedWithWrappedException(f, ex);
3888		}
3889
3890		/**
3891	<	* runAfterEitherAsync result completes normally after normal
2969	<	* completion of sources
3891	>	* completeAsync with given executor completes with value of given supplier
3892		*/
3893	<	public void testRunAfterEitherAsyncE() {
3893	>	public void testCompleteAsync3() {
3894	>	for (Integer v1 : new Integer[] { 1, null })
3895	>	{
3896		CompletableFuture<Integer> f = new CompletableFuture<>();
3897	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3898	<	Noop r = new Noop();
3899	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3900	<	f.complete(one);
3901	<	checkCompletedNormally(g, null);
3902	<	assertTrue(r.ran);
2979	<
2980	<	r = new Noop();
2981	<	f = new CompletableFuture<>();
2982	<	f.complete(one);
2983	<	f2 = new CompletableFuture<>();
2984	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2985	<	checkCompletedNormally(g, null);
2986	<	assertTrue(r.ran);
2987	<	}
3897	>	ThreadExecutor executor = new ThreadExecutor();
3898	>	f.completeAsync(() -> v1, executor);
3899	>	assertSame(v1, f.join());
3900	>	checkCompletedNormally(f, v1);
3901	>	assertEquals(1, executor.count.get());
3902	>	}}
3903
3904		/**
3905	<	* runAfterEitherAsync result completes exceptionally after exceptional
3906	<	* completion of source
3905	>	* completeAsync with given executor completes exceptionally if
3906	>	* given supplier throws
3907		*/
3908	<	public void testRunAfterEitherAsync2E() {
3908	>	public void testCompleteAsync4() {
3909		CompletableFuture<Integer> f = new CompletableFuture<>();
3910	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3911	<	Noop r = new Noop();
3912	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3913	<	f.completeExceptionally(new CFException());
3914	<	checkCompletedWithWrappedCFException(g);
3915	<
3916	<	r = new Noop();
3917	<	f = new CompletableFuture<>();
3918	<	f2 = new CompletableFuture<>();
3004	<	f2.completeExceptionally(new CFException());
3005	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3006	<	f.complete(one);
3007	<	checkCompletedWithWrappedCFException(g);
3910	>	CFException ex = new CFException();
3911	>	ThreadExecutor executor = new ThreadExecutor();
3912	>	f.completeAsync(() -> { throw ex; }, executor);
3913	>	try {
3914	>	f.join();
3915	>	shouldThrow();
3916	>	} catch (CompletionException success) {}
3917	>	checkCompletedWithWrappedException(f, ex);
3918	>	assertEquals(1, executor.count.get());
3919		}
3920
3921		/**
3922	<	* runAfterEitherAsync result completes exceptionally if action does
3922	>	* orTimeout completes with TimeoutException if not complete
3923		*/
3924	<	public void testRunAfterEitherAsync3E() {
3924	>	public void testOrTimeout_timesOut() {
3925	>	long timeoutMillis = timeoutMillis();
3926		CompletableFuture<Integer> f = new CompletableFuture<>();
3927	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3928	<	FailingNoop r = new FailingNoop();
3929	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3930	<	f.complete(one);
3019	<	checkCompletedWithWrappedCFException(g);
3927	>	long startTime = System.nanoTime();
3928	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3929	>	checkCompletedWithTimeoutException(f);
3930	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3931		}
3932
3933		/**
3934	<	* runAfterEitherAsync result completes exceptionally if either
3024	<	* source cancelled
3934	>	* orTimeout completes normally if completed before timeout
3935		*/
3936	<	public void testRunAfterEitherAsync4E() {
3936	>	public void testOrTimeout_completed() {
3937	>	for (Integer v1 : new Integer[] { 1, null })
3938	>	{
3939		CompletableFuture<Integer> f = new CompletableFuture<>();
3940	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3941	<	Noop r = new Noop();
3942	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3943	<	assertTrue(f.cancel(true));
3944	<	checkCompletedWithWrappedCancellationException(g);
3945	<
3946	<	r = new Noop();
3947	<	f = new CompletableFuture<>();
3948	<	f2 = new CompletableFuture<>();
3949	<	assertTrue(f2.cancel(true));
3038	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3039	<	checkCompletedWithWrappedCancellationException(g);
3040	<	}
3940	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3941	>	long startTime = System.nanoTime();
3942	>	f.complete(v1);
3943	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3944	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3945	>	g.complete(v1);
3946	>	checkCompletedNormally(f, v1);
3947	>	checkCompletedNormally(g, v1);
3948	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3949	>	}}
3950
3951		/**
3952	<	* thenComposeAsync result completes normally after normal
3044	<	* completion of source
3952	>	* completeOnTimeout completes with given value if not complete
3953		*/
3954	<	public void testThenComposeAsyncE() {
3955	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3956	<	CompletableFutureInc r = new CompletableFutureInc();
3049	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3050	<	f.complete(one);
3051	<	checkCompletedNormally(g, two);
3954	>	public void testCompleteOnTimeout_timesOut() {
3955	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3956	>	() -> testCompleteOnTimeout_timesOut(null));
3957		}
3958
3959		/**
3960	<	* thenComposeAsync result completes exceptionally after
3056	<	* exceptional completion of source
3960	>	* completeOnTimeout completes with given value if not complete
3961		*/
3962	<	public void testThenComposeAsync2E() {
3962	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3963	>	long timeoutMillis = timeoutMillis();
3964		CompletableFuture<Integer> f = new CompletableFuture<>();
3965	<	CompletableFutureInc r = new CompletableFutureInc();
3966	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3967	<	f.completeExceptionally(new CFException());
3968	<	checkCompletedWithWrappedCFException(g);
3965	>	long startTime = System.nanoTime();
3966	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3967	>	assertSame(v, f.join());
3968	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3969	>	f.complete(99);         // should have no effect
3970	>	checkCompletedNormally(f, v);
3971		}
3972
3973		/**
3974	<	* thenComposeAsync result completes exceptionally if action does
3974	>	* completeOnTimeout has no effect if completed within timeout
3975		*/
3976	<	public void testThenComposeAsync3E() {
3976	>	public void testCompleteOnTimeout_completed() {
3977	>	for (Integer v1 : new Integer[] { 1, null })
3978	>	{
3979		CompletableFuture<Integer> f = new CompletableFuture<>();
3980	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3981	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3982	<	f.complete(one);
3983	<	checkCompletedWithWrappedCFException(g);
3984	<	}
3980	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3981	>	long startTime = System.nanoTime();
3982	>	f.complete(v1);
3983	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3984	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3985	>	g.complete(v1);
3986	>	checkCompletedNormally(f, v1);
3987	>	checkCompletedNormally(g, v1);
3988	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3989	>	}}
3990
3991		/**
3992	<	* thenComposeAsync result completes exceptionally if source cancelled
3992	>	* delayedExecutor returns an executor that delays submission
3993		*/
3994	<	public void testThenComposeAsync4E() {
3995	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3996	<	CompletableFutureInc r = new CompletableFutureInc();
3997	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3998	<	assertTrue(f.cancel(true));
3999	<	checkCompletedWithWrappedCancellationException(g);
4000	<	}
3994	>	public void testDelayedExecutor() {
3995	>	testInParallel(() -> testDelayedExecutor(null, null),
3996	>	() -> testDelayedExecutor(null, 1),
3997	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3998	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3999	>	}
4000	>
4001	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
4002	>	long timeoutMillis = timeoutMillis();
4003	>	// Use an "unreasonably long" long timeout to catch lingering threads
4004	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
4005	>	final Executor delayer, longDelayer;
4006	>	if (executor == null) {
4007	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
4008	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
4009	>	} else {
4010	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
4011	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
4012	>	}
4013	>	long startTime = System.nanoTime();
4014	>	CompletableFuture<Integer> f =
4015	>	CompletableFuture.supplyAsync(() -> v, delayer);
4016	>	CompletableFuture<Integer> g =
4017	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
4018
4019	<	// other static methods
4019	>	assertNull(g.getNow(null));
4020
4021	<	/**
4022	<	* allOf(no component futures) returns a future completed normally
4023	<	* with the value null
4024	<	*/
3094	<	public void testAllOf_empty() throws Exception {
3095	<	CompletableFuture<Void> f = CompletableFuture.allOf();
3096	<	checkCompletedNormally(f, null);
3097	<	}
4021	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
4022	>	long millisElapsed = millisElapsedSince(startTime);
4023	>	assertTrue(millisElapsed >= timeoutMillis);
4024	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
4025
4026	<	/**
3100	<	* allOf returns a future completed normally with the value null
3101	<	* when all components complete normally
3102	<	*/
3103	<	public void testAllOf_normal() throws Exception {
3104	<	for (int k = 1; k < 20; ++k) {
3105	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3106	<	for (int i = 0; i < k; ++i)
3107	<	fs[i] = new CompletableFuture<>();
3108	<	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3109	<	for (int i = 0; i < k; ++i) {
3110	<	checkIncomplete(f);
3111	<	checkIncomplete(CompletableFuture.allOf(fs));
3112	<	fs[i].complete(one);
3113	<	}
3114	<	checkCompletedNormally(f, null);
3115	<	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3116	<	}
3117	<	}
4026	>	checkCompletedNormally(f, v);
4027
4028	<	/**
4029	<	* anyOf(no component futures) returns an incomplete future
3121	<	*/
3122	<	public void testAnyOf_empty() throws Exception {
3123	<	CompletableFuture<Object> f = CompletableFuture.anyOf();
3124	<	checkIncomplete(f);
4028	>	checkIncomplete(g);
4029	>	assertTrue(g.cancel(true));
4030		}
4031
4032	<	/**
4033	<	* anyOf returns a future completed normally with a value when
4034	<	* a component future does
4035	<	*/
4036	<	public void testAnyOf_normal() throws Exception {
4037	<	for (int k = 0; k < 10; ++k) {
4038	<	CompletableFuture[] fs = new CompletableFuture[k];
4039	<	for (int i = 0; i < k; ++i)
4040	<	fs[i] = new CompletableFuture<>();
3136	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3137	<	checkIncomplete(f);
3138	<	for (int i = 0; i < k; ++i) {
3139	<	fs[i].complete(one);
3140	<	checkCompletedNormally(f, one);
3141	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
4032	>	//--- tests of implementation details; not part of official tck ---
4033	>
4034	>	Object resultOf(CompletableFuture<?> f) {
4035	>	SecurityManager sm = System.getSecurityManager();
4036	>	if (sm != null) {
4037	>	try {
4038	>	System.setSecurityManager(null);
4039	>	} catch (SecurityException giveUp) {
4040	>	return "Reflection not available";
4041		}
4042		}
3144	–	}
4043
4044	<	/**
4045	<	* anyOf result completes exceptionally when any component does.
4046	<	*/
4047	<	public void testAnyOf_exceptional() throws Exception {
4048	<	for (int k = 0; k < 10; ++k) {
4049	<	CompletableFuture[] fs = new CompletableFuture[k];
4050	<	for (int i = 0; i < k; ++i)
4051	<	fs[i] = new CompletableFuture<>();
4052	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3155	<	checkIncomplete(f);
3156	<	for (int i = 0; i < k; ++i) {
3157	<	fs[i].completeExceptionally(new CFException());
3158	<	checkCompletedWithWrappedCFException(f);
3159	<	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3160	<	}
4044	>	try {
4045	>	java.lang.reflect.Field resultField
4046	>	= CompletableFuture.class.getDeclaredField("result");
4047	>	resultField.setAccessible(true);
4048	>	return resultField.get(f);
4049	>	} catch (Throwable t) {
4050	>	throw new AssertionError(t);
4051	>	} finally {
4052	>	if (sm != null) System.setSecurityManager(sm);
4053		}
4054		}
4055
4056	<	/**
4057	<	* Completion methods throw NullPointerException with null arguments
4058	<	*/
4059	<	public void testNPE() {
4060	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4061	<	CompletableFuture<Integer> g = new CompletableFuture<>();
4062	<	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3171	<	CompletableFuture<?> h;
3172	<	ThreadExecutor exec = new ThreadExecutor();
3173	<
3174	<	Runnable[] throwingActions = {
3175	<	() -> CompletableFuture.supplyAsync(null),
3176	<	() -> CompletableFuture.supplyAsync(null, exec),
3177	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3178	<
3179	<	() -> CompletableFuture.runAsync(null),
3180	<	() -> CompletableFuture.runAsync(null, exec),
3181	<	() -> CompletableFuture.runAsync(() -> {}, null),
3182	<
3183	<	() -> f.completeExceptionally(null),
3184	<
3185	<	() -> f.thenApply(null),
3186	<	() -> f.thenApplyAsync(null),
3187	<	() -> f.thenApplyAsync((x) -> x, null),
3188	<	() -> f.thenApplyAsync(null, exec),
3189	<
3190	<	() -> f.thenAccept(null),
3191	<	() -> f.thenAcceptAsync(null),
3192	<	() -> f.thenAcceptAsync((x) -> {} , null),
3193	<	() -> f.thenAcceptAsync(null, exec),
3194	<
3195	<	() -> f.thenRun(null),
3196	<	() -> f.thenRunAsync(null),
3197	<	() -> f.thenRunAsync(() -> {} , null),
3198	<	() -> f.thenRunAsync(null, exec),
3199	<
3200	<	() -> f.thenCombine(g, null),
3201	<	() -> f.thenCombineAsync(g, null),
3202	<	() -> f.thenCombineAsync(g, null, exec),
3203	<	() -> f.thenCombine(nullFuture, (x, y) -> x),
3204	<	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3205	<	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3206	<	() -> f.thenCombineAsync(g, (x, y) -> x, null),
3207	<
3208	<	() -> f.thenAcceptBoth(g, null),
3209	<	() -> f.thenAcceptBothAsync(g, null),
3210	<	() -> f.thenAcceptBothAsync(g, null, exec),
3211	<	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3212	<	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3213	<	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3214	<	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3215	<
3216	<	() -> f.runAfterBoth(g, null),
3217	<	() -> f.runAfterBothAsync(g, null),
3218	<	() -> f.runAfterBothAsync(g, null, exec),
3219	<	() -> f.runAfterBoth(nullFuture, () -> {}),
3220	<	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3221	<	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3222	<	() -> f.runAfterBothAsync(g, () -> {}, null),
3223	<
3224	<	() -> f.applyToEither(g, null),
3225	<	() -> f.applyToEitherAsync(g, null),
3226	<	() -> f.applyToEitherAsync(g, null, exec),
3227	<	() -> f.applyToEither(nullFuture, (x) -> x),
3228	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3229	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3230	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3231	<
3232	<	() -> f.acceptEither(g, null),
3233	<	() -> f.acceptEitherAsync(g, null),
3234	<	() -> f.acceptEitherAsync(g, null, exec),
3235	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3236	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3237	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3238	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3239	<
3240	<	() -> f.runAfterEither(g, null),
3241	<	() -> f.runAfterEitherAsync(g, null),
3242	<	() -> f.runAfterEitherAsync(g, null, exec),
3243	<	() -> f.runAfterEither(nullFuture, () -> {}),
3244	<	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3245	<	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3246	<	() -> f.runAfterEitherAsync(g, () -> {}, null),
3247	<
3248	<	() -> f.thenCompose(null),
3249	<	() -> f.thenComposeAsync(null),
3250	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3251	<	() -> f.thenComposeAsync(null, exec),
4056	>	public void testExceptionPropagationReusesResultObject() {
4057	>	if (!testImplementationDetails) return;
4058	>	for (ExecutionMode m : ExecutionMode.values())
4059	>	{
4060	>	final CFException ex = new CFException();
4061	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4062	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4063
4064	<	() -> f.exceptionally(null),
4064	>	final Runnable noopRunnable = new Noop(m);
4065	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4066	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
4067	>
4068	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4069	>	= new ArrayList<>();
4070	>
4071	>	funs.add(y -> m.thenRun(y, noopRunnable));
4072	>	funs.add(y -> m.thenAccept(y, noopConsumer));
4073	>	funs.add(y -> m.thenApply(y, incFunction));
4074	>
4075	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4076	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4077	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4078	>
4079	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4080	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4081	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4082	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4083	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4084	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4085	>
4086	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4087	>
4088	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4089	>
4090	>	funs.add(y -> CompletableFuture.allOf(y));
4091	>	funs.add(y -> CompletableFuture.allOf(y, v42));
4092	>	funs.add(y -> CompletableFuture.allOf(v42, y));
4093	>	funs.add(y -> CompletableFuture.anyOf(y));
4094	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4095	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4096
4097	<	() -> f.handle(null),
4097	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4098	>	fun : funs) {
4099	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4100	>	f.completeExceptionally(ex);
4101	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4102	>	checkCompletedWithWrappedException(src, ex);
4103	>	CompletableFuture<?> dep = fun.apply(src);
4104	>	checkCompletedWithWrappedException(dep, ex);
4105	>	assertSame(resultOf(src), resultOf(dep));
4106	>	}
4107
4108	<	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
4109	<	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
4110	<	() -> CompletableFuture.allOf(f, null),
4111	<	() -> CompletableFuture.allOf(null, f),
4108	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4109	>	fun : funs) {
4110	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4111	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4112	>	CompletableFuture<?> dep = fun.apply(src);
4113	>	f.completeExceptionally(ex);
4114	>	checkCompletedWithWrappedException(src, ex);
4115	>	checkCompletedWithWrappedException(dep, ex);
4116	>	assertSame(resultOf(src), resultOf(dep));
4117	>	}
4118
4119	<	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
4120	<	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
4121	<	() -> CompletableFuture.anyOf(f, null),
4122	<	() -> CompletableFuture.anyOf(null, f),
4119	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4120	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4121	>	fun : funs) {
4122	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4123	>	f.cancel(mayInterruptIfRunning);
4124	>	checkCancelled(f);
4125	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4126	>	checkCompletedWithWrappedCancellationException(src);
4127	>	CompletableFuture<?> dep = fun.apply(src);
4128	>	checkCompletedWithWrappedCancellationException(dep);
4129	>	assertSame(resultOf(src), resultOf(dep));
4130	>	}
4131
4132	<	() -> f.obtrudeException(null),
4132	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4133	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4134	>	fun : funs) {
4135	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4136	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4137	>	CompletableFuture<?> dep = fun.apply(src);
4138	>	f.cancel(mayInterruptIfRunning);
4139	>	checkCancelled(f);
4140	>	checkCompletedWithWrappedCancellationException(src);
4141	>	checkCompletedWithWrappedCancellationException(dep);
4142	>	assertSame(resultOf(src), resultOf(dep));
4143	>	}
4144	>	}}
4145	>
4146	>	/**
4147	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
4148	>	*/
4149	>	public void testMinimalCompletionStage_minimality() {
4150	>	if (!testImplementationDetails) return;
4151	>	Function<Method, String> toSignature =
4152	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4153	>	Predicate<Method> isNotStatic =
4154	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4155	>	List<Method> minimalMethods =
4156	>	Stream.of(Object.class, CompletionStage.class)
4157	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4158	>	.filter(isNotStatic)
4159	>	.collect(Collectors.toList());
4160	>	// Methods from CompletableFuture permitted NOT to throw UOE
4161	>	String[] signatureWhitelist = {
4162	>	"newIncompleteFuture[]",
4163	>	"defaultExecutor[]",
4164	>	"minimalCompletionStage[]",
4165	>	"copy[]",
4166		};
4167	<
4168	<	assertThrows(NullPointerException.class, throwingActions);
4169	<	assertEquals(0, exec.count.get());
4167	>	Set<String> permittedMethodSignatures =
4168	>	Stream.concat(minimalMethods.stream().map(toSignature),
4169	>	Stream.of(signatureWhitelist))
4170	>	.collect(Collectors.toSet());
4171	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4172	>	.filter(isNotStatic)
4173	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4174	>	.collect(Collectors.toList());
4175	>
4176	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4177	>	CompletionStage<Integer> min =
4178	>	new CompletableFuture<Integer>().minimalCompletionStage();
4179	>	stages.add(min);
4180	>	stages.add(min.thenApply(x -> x));
4181	>	stages.add(CompletableFuture.completedStage(1));
4182	>	stages.add(CompletableFuture.failedStage(new CFException()));
4183	>
4184	>	List<Method> bugs = new ArrayList<>();
4185	>	for (Method method : allMethods) {
4186	>	Class<?>[] parameterTypes = method.getParameterTypes();
4187	>	Object[] args = new Object[parameterTypes.length];
4188	>	// Manufacture boxed primitives for primitive params
4189	>	for (int i = 0; i < args.length; i++) {
4190	>	Class<?> type = parameterTypes[i];
4191	>	if (parameterTypes[i] == boolean.class)
4192	>	args[i] = false;
4193	>	else if (parameterTypes[i] == int.class)
4194	>	args[i] = 0;
4195	>	else if (parameterTypes[i] == long.class)
4196	>	args[i] = 0L;
4197	>	}
4198	>	for (CompletionStage<Integer> stage : stages) {
4199	>	try {
4200	>	method.invoke(stage, args);
4201	>	bugs.add(method);
4202	>	}
4203	>	catch (java.lang.reflect.InvocationTargetException expected) {
4204	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4205	>	bugs.add(method);
4206	>	// expected.getCause().printStackTrace();
4207	>	}
4208	>	}
4209	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4210	>	}
4211	>	}
4212	>	if (!bugs.isEmpty())
4213	>	throw new Error("Methods did not throw UOE: " + bugs);
4214		}
4215
4216		/**
4217	<	* toCompletableFuture returns this CompletableFuture.
4217	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4218	>	* is completed normally, with the same value, when source is.
4219		*/
4220	<	public void testToCompletableFuture() {
4220	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4221	>	for (boolean createIncomplete : new boolean[] { true, false })
4222	>	for (Integer v1 : new Integer[] { 1, null })
4223	>	{
4224		CompletableFuture<Integer> f = new CompletableFuture<>();
4225	<	assertSame(f, f.toCompletableFuture());
4226	<	}
4225	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4226	>	if (!createIncomplete) assertTrue(f.complete(v1));
4227	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4228	>	if (createIncomplete) {
4229	>	checkIncomplete(f);
4230	>	checkIncomplete(g);
4231	>	assertTrue(f.complete(v1));
4232	>	}
4233	>	checkCompletedNormally(f, v1);
4234	>	checkCompletedNormally(g, v1);
4235	>	}}
4236
4237		/**
4238	<	* whenComplete action executes on normal completion, propagating
4239	<	* source result.
4238	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4239	>	* is completed exceptionally when source is.
4240		*/
4241	<	public void testWhenComplete1() {
4242	<	final AtomicInteger a = new AtomicInteger();
4241	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4242	>	for (boolean createIncomplete : new boolean[] { true, false })
4243	>	{
4244	>	CFException ex = new CFException();
4245		CompletableFuture<Integer> f = new CompletableFuture<>();
4246	<	CompletableFuture<Integer> g =
4247	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
4248	<	f.complete(three);
4249	<	checkCompletedNormally(f, three);
4250	<	checkCompletedNormally(g, three);
4251	<	assertEquals(a.get(), 1);
4252	<	}
4246	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4247	>	if (!createIncomplete) f.completeExceptionally(ex);
4248	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4249	>	if (createIncomplete) {
4250	>	checkIncomplete(f);
4251	>	checkIncomplete(g);
4252	>	f.completeExceptionally(ex);
4253	>	}
4254	>	checkCompletedExceptionally(f, ex);
4255	>	checkCompletedWithWrappedException(g, ex);
4256	>	}}
4257
4258		/**
4259	<	* whenComplete action executes on exceptional completion, propagating
3299	<	* source result.
4259	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4260		*/
4261	<	public void testWhenComplete2() {
4262	<	final AtomicInteger a = new AtomicInteger();
4261	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4262	>	for (Integer v1 : new Integer[] { 1, null })
4263	>	{
4264		CompletableFuture<Integer> f = new CompletableFuture<>();
4265	<	CompletableFuture<Integer> g =
4266	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
4267	<	f.completeExceptionally(new CFException());
4268	<	assertTrue(f.isCompletedExceptionally());
4269	<	assertTrue(g.isCompletedExceptionally());
4270	<	assertEquals(a.get(), 1);
4271	<	}
4265	>	CompletionStage minimal = f.minimalCompletionStage();
4266	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4267	>	assertTrue(g.complete(v1));
4268	>	checkCompletedNormally(g, v1);
4269	>	checkIncomplete(f);
4270	>	checkIncomplete(minimal.toCompletableFuture());
4271	>	}}
4272
4273		/**
4274	<	* If a whenComplete action throws an exception when triggered by
3314	<	* a normal completion, it completes exceptionally
4274	>	* minimalStage.toCompletableFuture().join() awaits completion
4275		*/
4276	<	public void testWhenComplete3() {
4276	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4277	>	for (boolean createIncomplete : new boolean[] { true, false })
4278	>	for (Integer v1 : new Integer[] { 1, null })
4279	>	{
4280		CompletableFuture<Integer> f = new CompletableFuture<>();
4281	<	CompletableFuture<Integer> g =
4282	<	f.whenComplete((Integer x, Throwable t) ->
4283	<	{ throw new CFException(); } );
4284	<	f.complete(three);
4285	<	checkCompletedNormally(f, three);
4286	<	assertTrue(g.isCompletedExceptionally());
4287	<	checkCompletedWithWrappedCFException(g);
4281	>	if (!createIncomplete) assertTrue(f.complete(v1));
4282	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4283	>	if (createIncomplete) assertTrue(f.complete(v1));
4284	>	assertEquals(v1, minimal.toCompletableFuture().join());
4285	>	assertEquals(v1, minimal.toCompletableFuture().get());
4286	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4287	>	}}
4288	>
4289	>	/**
4290	>	* Completion of a toCompletableFuture copy of a minimal stage
4291	>	* does not complete its source.
4292	>	*/
4293	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4294	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4295	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4296	>	assertTrue(g.toCompletableFuture().complete(1));
4297	>	assertTrue(g.toCompletableFuture().complete(null));
4298	>	assertTrue(g.toCompletableFuture().cancel(true));
4299	>	assertTrue(g.toCompletableFuture().cancel(false));
4300	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4301	>	checkIncomplete(g.toCompletableFuture());
4302	>	f.complete(1);
4303	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4304		}
4305
4306	<	/**
4307	<	* whenCompleteAsync action executes on normal completion, propagating
4308	<	* source result.
4309	<	*/
4310	<	public void testWhenCompleteAsync1() {
4311	<	final AtomicInteger a = new AtomicInteger();
4312	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4313	<	CompletableFuture<Integer> g =
4314	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3336	<	f.complete(three);
3337	<	checkCompletedNormally(f, three);
3338	<	checkCompletedNormally(g, three);
3339	<	assertEquals(a.get(), 1);
4306	>	/** Demo utility method for external reliable toCompletableFuture */
4307	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4308	>	CompletableFuture<T> f = new CompletableFuture<>();
4309	>	stage.handle((T t, Throwable ex) -> {
4310	>	if (ex != null) f.completeExceptionally(ex);
4311	>	else f.complete(t);
4312	>	return null;
4313	>	});
4314	>	return f;
4315		}
4316
4317	<	/**
4318	<	* whenCompleteAsync action executes on exceptional completion, propagating
4319	<	* source result.
3345	<	*/
3346	<	public void testWhenCompleteAsync2() {
3347	<	final AtomicInteger a = new AtomicInteger();
3348	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3349	<	CompletableFuture<Integer> g =
3350	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3351	<	f.completeExceptionally(new CFException());
3352	<	checkCompletedWithWrappedCFException(f);
3353	<	checkCompletedWithWrappedCFException(g);
4317	>	/** Demo utility method to join a CompletionStage */
4318	>	static <T> T join(CompletionStage<T> stage) {
4319	>	return toCompletableFuture(stage).join();
4320		}
4321
4322		/**
4323	<	* If a whenCompleteAsync action throws an exception when
3358	<	* triggered by a normal completion, it completes exceptionally
4323	>	* Joining a minimal stage "by hand" works
4324		*/
4325	<	public void testWhenCompleteAsync3() {
4325	>	public void testMinimalCompletionStage_join_by_hand() {
4326	>	for (boolean createIncomplete : new boolean[] { true, false })
4327	>	for (Integer v1 : new Integer[] { 1, null })
4328	>	{
4329		CompletableFuture<Integer> f = new CompletableFuture<>();
4330	<	CompletableFuture<Integer> g =
4331	<	f.whenCompleteAsync((Integer x, Throwable t) ->
4332	<	{ throw new CFException(); } );
4333	<	f.complete(three);
4334	<	checkCompletedNormally(f, three);
4335	<	checkCompletedWithWrappedCFException(g);
4336	<	}
4330	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4331	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4332	>	if (!createIncomplete) assertTrue(f.complete(v1));
4333	>	minimal.thenAccept(x -> g.complete(x));
4334	>	if (createIncomplete) assertTrue(f.complete(v1));
4335	>	g.join();
4336	>	checkCompletedNormally(g, v1);
4337	>	checkCompletedNormally(f, v1);
4338	>	assertEquals(v1, join(minimal));
4339	>	}}
4340
4341	<	/**
4342	<	* whenCompleteAsync action executes on normal completion, propagating
4343	<	* source result.
4344	<	*/
4345	<	public void testWhenCompleteAsync1e() {
4346	<	final AtomicInteger a = new AtomicInteger();
4347	<	ThreadExecutor exec = new ThreadExecutor();
4348	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4349	<	CompletableFuture<Integer> g =
4350	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
4351	<	exec);
4352	<	f.complete(three);
4353	<	checkCompletedNormally(f, three);
4354	<	checkCompletedNormally(g, three);
4355	<	assertEquals(a.get(), 1);
4341	>	static class Monad {
4342	>	static class ZeroException extends RuntimeException {
4343	>	public ZeroException() { super("monadic zero"); }
4344	>	}
4345	>	// "return", "unit"
4346	>	static <T> CompletableFuture<T> unit(T value) {
4347	>	return completedFuture(value);
4348	>	}
4349	>	// monadic zero ?
4350	>	static <T> CompletableFuture<T> zero() {
4351	>	return failedFuture(new ZeroException());
4352	>	}
4353	>	// >=>
4354	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4355	>	(Function<T, CompletableFuture<U>> f,
4356	>	Function<U, CompletableFuture<V>> g) {
4357	>	return x -> f.apply(x).thenCompose(g);
4358	>	}
4359	>
4360	>	static void assertZero(CompletableFuture<?> f) {
4361	>	try {
4362	>	f.getNow(null);
4363	>	throw new AssertionError("should throw");
4364	>	} catch (CompletionException success) {
4365	>	assertTrue(success.getCause() instanceof ZeroException);
4366	>	}
4367	>	}
4368	>
4369	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4370	>	CompletableFuture<T> g) {
4371	>	T fval = null, gval = null;
4372	>	Throwable fex = null, gex = null;
4373	>
4374	>	try { fval = f.get(); }
4375	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4376	>	catch (Throwable ex) { fex = ex; }
4377	>
4378	>	try { gval = g.get(); }
4379	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4380	>	catch (Throwable ex) { gex = ex; }
4381	>
4382	>	if (fex != null || gex != null)
4383	>	assertSame(fex.getClass(), gex.getClass());
4384	>	else
4385	>	assertEquals(fval, gval);
4386	>	}
4387	>
4388	>	static class PlusFuture<T> extends CompletableFuture<T> {
4389	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4390	>	}
4391	>
4392	>	/** Implements "monadic plus". */
4393	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4394	>	CompletableFuture<? extends T> g) {
4395	>	PlusFuture<T> plus = new PlusFuture<T>();
4396	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4397	>	try {
4398	>	if (ex == null) {
4399	>	if (plus.complete(result))
4400	>	if (plus.firstFailure.get() != null)
4401	>	plus.firstFailure.set(null);
4402	>	}
4403	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4404	>	if (plus.isDone())
4405	>	plus.firstFailure.set(null);
4406	>	}
4407	>	else {
4408	>	// first failure has precedence
4409	>	Throwable first = plus.firstFailure.getAndSet(null);
4410	>
4411	>	// may fail with "Self-suppression not permitted"
4412	>	try { first.addSuppressed(ex); }
4413	>	catch (Exception ignored) {}
4414	>
4415	>	plus.completeExceptionally(first);
4416	>	}
4417	>	} catch (Throwable unexpected) {
4418	>	plus.completeExceptionally(unexpected);
4419	>	}
4420	>	};
4421	>	f.whenComplete(action);
4422	>	g.whenComplete(action);
4423	>	return plus;
4424	>	}
4425	>	}
4426	>
4427	>	/**
4428	>	* CompletableFuture is an additive monad - sort of.
4429	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4430	>	*/
4431	>	public void testAdditiveMonad() throws Throwable {
4432	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4433	>	CompletableFuture<Long> zero = Monad.zero();
4434	>
4435	>	// Some mutually non-commutative functions
4436	>	Function<Long, CompletableFuture<Long>> triple
4437	>	= x -> Monad.unit(3 * x);
4438	>	Function<Long, CompletableFuture<Long>> inc
4439	>	= x -> Monad.unit(x + 1);
4440	>
4441	>	// unit is a right identity: m >>= unit === m
4442	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4443	>	inc.apply(5L));
4444	>	// unit is a left identity: (unit x) >>= f === f x
4445	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4446	>	inc.apply(5L));
4447	>
4448	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4449	>	Monad.assertFutureEquals(
4450	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4451	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4452	>
4453	>	// The case for CompletableFuture as an additive monad is weaker...
4454	>
4455	>	// zero is a monadic zero
4456	>	Monad.assertZero(zero);
4457	>
4458	>	// left zero: zero >>= f === zero
4459	>	Monad.assertZero(zero.thenCompose(inc));
4460	>	// right zero: f >>= (\x -> zero) === zero
4461	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4462	>
4463	>	// f plus zero === f
4464	>	Monad.assertFutureEquals(Monad.unit(5L),
4465	>	Monad.plus(Monad.unit(5L), zero));
4466	>	// zero plus f === f
4467	>	Monad.assertFutureEquals(Monad.unit(5L),
4468	>	Monad.plus(zero, Monad.unit(5L)));
4469	>	// zero plus zero === zero
4470	>	Monad.assertZero(Monad.plus(zero, zero));
4471	>	{
4472	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4473	>	Monad.unit(8L));
4474	>	// non-determinism
4475	>	assertTrue(f.get() == 5L || f.get() == 8L);
4476	>	}
4477	>
4478	>	CompletableFuture<Long> godot = new CompletableFuture<>();
4479	>	// f plus godot === f (doesn't wait for godot)
4480	>	Monad.assertFutureEquals(Monad.unit(5L),
4481	>	Monad.plus(Monad.unit(5L), godot));
4482	>	// godot plus f === f (doesn't wait for godot)
4483	>	Monad.assertFutureEquals(Monad.unit(5L),
4484	>	Monad.plus(godot, Monad.unit(5L)));
4485	>	}
4486	>
4487	>	/** Test long recursive chains of CompletableFutures with cascading completions */
4488	>	@SuppressWarnings("FutureReturnValueIgnored")
4489	>	public void testRecursiveChains() throws Throwable {
4490	>	for (ExecutionMode m : ExecutionMode.values())
4491	>	for (boolean addDeadEnds : new boolean[] { true, false })
4492	>	{
4493	>	final int val = 42;
4494	>	final int n = expensiveTests ? 1_000 : 2;
4495	>	CompletableFuture<Integer> head = new CompletableFuture<>();
4496	>	CompletableFuture<Integer> tail = head;
4497	>	for (int i = 0; i < n; i++) {
4498	>	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4499	>	tail = m.thenApply(tail, v -> v + 1);
4500	>	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4501	>	tail = m.applyToEither(tail, tail, v -> v + 1);
4502	>	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4503	>	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4504	>	}
4505	>	head.complete(val);
4506	>	assertEquals(val + 3 * n, (int) tail.join());
4507	>	}}
4508	>
4509	>	/**
4510	>	* A single CompletableFuture with many dependents.
4511	>	* A demo of scalability - runtime is O(n).
4512	>	*/
4513	>	@SuppressWarnings("FutureReturnValueIgnored")
4514	>	public void testManyDependents() throws Throwable {
4515	>	final int n = expensiveTests ? 1_000_000 : 10;
4516	>	final CompletableFuture<Void> head = new CompletableFuture<>();
4517	>	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4518	>	final AtomicInteger count = new AtomicInteger(0);
4519	>	for (int i = 0; i < n; i++) {
4520	>	head.thenRun(() -> count.getAndIncrement());
4521	>	head.thenAccept(x -> count.getAndIncrement());
4522	>	head.thenApply(x -> count.getAndIncrement());
4523	>
4524	>	head.runAfterBoth(complete, () -> count.getAndIncrement());
4525	>	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4526	>	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4527	>	complete.runAfterBoth(head, () -> count.getAndIncrement());
4528	>	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4529	>	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4530	>
4531	>	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4532	>	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4533	>	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4534	>	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4535	>	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4536	>	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4537	>	}
4538	>	head.complete(null);
4539	>	assertEquals(5 * 3 * n, count.get());
4540	>	}
4541	>
4542	>	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4543	>	@SuppressWarnings("FutureReturnValueIgnored")
4544	>	public void testCoCompletionGarbageRetention() throws Throwable {
4545	>	final int n = expensiveTests ? 1_000_000 : 10;
4546	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4547	>	CompletableFuture<Integer> f;
4548	>	for (int i = 0; i < n; i++) {
4549	>	f = new CompletableFuture<>();
4550	>	f.runAfterEither(incomplete, () -> {});
4551	>	f.complete(null);
4552	>
4553	>	f = new CompletableFuture<>();
4554	>	f.acceptEither(incomplete, x -> {});
4555	>	f.complete(null);
4556	>
4557	>	f = new CompletableFuture<>();
4558	>	f.applyToEither(incomplete, x -> x);
4559	>	f.complete(null);
4560	>
4561	>	f = new CompletableFuture<>();
4562	>	CompletableFuture.anyOf(f, incomplete);
4563	>	f.complete(null);
4564	>	}
4565	>
4566	>	for (int i = 0; i < n; i++) {
4567	>	f = new CompletableFuture<>();
4568	>	incomplete.runAfterEither(f, () -> {});
4569	>	f.complete(null);
4570	>
4571	>	f = new CompletableFuture<>();
4572	>	incomplete.acceptEither(f, x -> {});
4573	>	f.complete(null);
4574	>
4575	>	f = new CompletableFuture<>();
4576	>	incomplete.applyToEither(f, x -> x);
4577	>	f.complete(null);
4578	>
4579	>	f = new CompletableFuture<>();
4580	>	CompletableFuture.anyOf(incomplete, f);
4581	>	f.complete(null);
4582	>	}
4583	>	}
4584	>
4585	>	/**
4586	>	* Reproduction recipe for:
4587	>	* 8160402: Garbage retention with CompletableFuture.anyOf
4588	>	* 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
4589	>	*/
4590	>	public void testAnyOfGarbageRetention() throws Throwable {
4591	>	for (Integer v : new Integer[] { 1, null })
4592	>	{
4593	>	final int n = expensiveTests ? 100_000 : 10;
4594	>	CompletableFuture<Integer>[] fs
4595	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4596	>	for (int i = 0; i < fs.length; i++)
4597	>	fs[i] = new CompletableFuture<>();
4598	>	fs[fs.length - 1].complete(v);
4599	>	for (int i = 0; i < n; i++)
4600	>	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4601	>	}}
4602	>
4603	>	/**
4604	>	* Checks for garbage retention with allOf.
4605	>	*
4606	>	* As of 2016-07, fails with OOME:
4607	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4608	>	*/
4609	>	public void testCancelledAllOfGarbageRetention() throws Throwable {
4610	>	final int n = expensiveTests ? 100_000 : 10;
4611	>	CompletableFuture<Integer>[] fs
4612	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4613	>	for (int i = 0; i < fs.length; i++)
4614	>	fs[i] = new CompletableFuture<>();
4615	>	for (int i = 0; i < n; i++)
4616	>	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4617	>	}
4618	>
4619	>	/**
4620	>	* Checks for garbage retention when a dependent future is
4621	>	* cancelled and garbage-collected.
4622	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4623	>	*
4624	>	* As of 2016-07, fails with OOME:
4625	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4626	>	*/
4627	>	public void testCancelledGarbageRetention() throws Throwable {
4628	>	final int n = expensiveTests ? 100_000 : 10;
4629	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4630	>	for (int i = 0; i < n; i++)
4631	>	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4632	>	}
4633	>
4634	>	/**
4635	>	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4636	>	* is invoked many times.
4637	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4638	>	*
4639	>	* As of 2016-07, fails with OOME:
4640	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4641	>	*/
4642	>	public void testToCompletableFutureGarbageRetention() throws Throwable {
4643	>	final int n = expensiveTests ? 900_000 : 10;
4644	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4645	>	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4646	>	for (int i = 0; i < n; i++)
4647	>	assertTrue(minimal.toCompletableFuture().cancel(true));
4648	>	}
4649	>
4650	>	//     static <U> U join(CompletionStage<U> stage) {
4651	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4652	>	//         stage.whenComplete((v, ex) -> {
4653	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4654	>	//         });
4655	>	//         return f.join();
4656	>	//     }
4657	>
4658	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
4659	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4660	>	//         stage.whenComplete((v, ex) -> {
4661	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4662	>	//         });
4663	>	//         return f.isDone();
4664	>	//     }
4665	>
4666	>	//     static <U> U join2(CompletionStage<U> stage) {
4667	>	//         return stage.toCompletableFuture().copy().join();
4668	>	//     }
4669	>
4670	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4671	>	//         return stage.toCompletableFuture().copy().isDone();
4672	>	//     }
4673	>
4674	>	// For testing default implementations
4675	>	// Only non-default interface methods defined.
4676	>	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4677	>	final CompletableFuture<T> cf;
4678	>	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4679	>	public CompletableFuture<T> toCompletableFuture() {
4680	>	return cf; }
4681	>	public CompletionStage<Void> thenRun
4682	>	(Runnable action) {
4683	>	return cf.thenRun(action); }
4684	>	public CompletionStage<Void> thenRunAsync
4685	>	(Runnable action) {
4686	>	return cf.thenRunAsync(action); }
4687	>	public CompletionStage<Void> thenRunAsync
4688	>	(Runnable action,
4689	>	Executor executor) {
4690	>	return cf.thenRunAsync(action, executor); }
4691	>	public CompletionStage<Void> thenAccept
4692	>	(Consumer<? super T> action) {
4693	>	return cf.thenAccept(action); }
4694	>	public CompletionStage<Void> thenAcceptAsync
4695	>	(Consumer<? super T> action) {
4696	>	return cf.thenAcceptAsync(action); }
4697	>	public CompletionStage<Void> thenAcceptAsync
4698	>	(Consumer<? super T> action,
4699	>	Executor executor) {
4700	>	return cf.thenAcceptAsync(action, executor); }
4701	>	public <U> CompletionStage<U> thenApply
4702	>	(Function<? super T,? extends U> a) {
4703	>	return cf.thenApply(a); }
4704	>	public <U> CompletionStage<U> thenApplyAsync
4705	>	(Function<? super T,? extends U> fn) {
4706	>	return cf.thenApplyAsync(fn); }
4707	>	public <U> CompletionStage<U> thenApplyAsync
4708	>	(Function<? super T,? extends U> fn,
4709	>	Executor executor) {
4710	>	return cf.thenApplyAsync(fn, executor); }
4711	>	public <U,V> CompletionStage<V> thenCombine
4712	>	(CompletionStage<? extends U> other,
4713	>	BiFunction<? super T,? super U,? extends V> fn) {
4714	>	return cf.thenCombine(other, fn); }
4715	>	public <U,V> CompletionStage<V> thenCombineAsync
4716	>	(CompletionStage<? extends U> other,
4717	>	BiFunction<? super T,? super U,? extends V> fn) {
4718	>	return cf.thenCombineAsync(other, fn); }
4719	>	public <U,V> CompletionStage<V> thenCombineAsync
4720	>	(CompletionStage<? extends U> other,
4721	>	BiFunction<? super T,? super U,? extends V> fn,
4722	>	Executor executor) {
4723	>	return cf.thenCombineAsync(other, fn, executor); }
4724	>	public <U> CompletionStage<Void> thenAcceptBoth
4725	>	(CompletionStage<? extends U> other,
4726	>	BiConsumer<? super T, ? super U> action) {
4727	>	return cf.thenAcceptBoth(other, action); }
4728	>	public <U> CompletionStage<Void> thenAcceptBothAsync
4729	>	(CompletionStage<? extends U> other,
4730	>	BiConsumer<? super T, ? super U> action) {
4731	>	return cf.thenAcceptBothAsync(other, action); }
4732	>	public <U> CompletionStage<Void> thenAcceptBothAsync
4733	>	(CompletionStage<? extends U> other,
4734	>	BiConsumer<? super T, ? super U> action,
4735	>	Executor executor) {
4736	>	return cf.thenAcceptBothAsync(other, action, executor); }
4737	>	public CompletionStage<Void> runAfterBoth
4738	>	(CompletionStage<?> other,
4739	>	Runnable action) {
4740	>	return cf.runAfterBoth(other, action); }
4741	>	public CompletionStage<Void> runAfterBothAsync
4742	>	(CompletionStage<?> other,
4743	>	Runnable action) {
4744	>	return cf.runAfterBothAsync(other, action); }
4745	>	public CompletionStage<Void> runAfterBothAsync
4746	>	(CompletionStage<?> other,
4747	>	Runnable action,
4748	>	Executor executor) {
4749	>	return cf.runAfterBothAsync(other, action, executor); }
4750	>	public <U> CompletionStage<U> applyToEither
4751	>	(CompletionStage<? extends T> other,
4752	>	Function<? super T, U> fn) {
4753	>	return cf.applyToEither(other, fn); }
4754	>	public <U> CompletionStage<U> applyToEitherAsync
4755	>	(CompletionStage<? extends T> other,
4756	>	Function<? super T, U> fn) {
4757	>	return cf.applyToEitherAsync(other, fn); }
4758	>	public <U> CompletionStage<U> applyToEitherAsync
4759	>	(CompletionStage<? extends T> other,
4760	>	Function<? super T, U> fn,
4761	>	Executor executor) {
4762	>	return cf.applyToEitherAsync(other, fn, executor); }
4763	>	public CompletionStage<Void> acceptEither
4764	>	(CompletionStage<? extends T> other,
4765	>	Consumer<? super T> action) {
4766	>	return cf.acceptEither(other, action); }
4767	>	public CompletionStage<Void> acceptEitherAsync
4768	>	(CompletionStage<? extends T> other,
4769	>	Consumer<? super T> action) {
4770	>	return cf.acceptEitherAsync(other, action); }
4771	>	public CompletionStage<Void> acceptEitherAsync
4772	>	(CompletionStage<? extends T> other,
4773	>	Consumer<? super T> action,
4774	>	Executor executor) {
4775	>	return cf.acceptEitherAsync(other, action, executor); }
4776	>	public CompletionStage<Void> runAfterEither
4777	>	(CompletionStage<?> other,
4778	>	Runnable action) {
4779	>	return cf.runAfterEither(other, action); }
4780	>	public CompletionStage<Void> runAfterEitherAsync
4781	>	(CompletionStage<?> other,
4782	>	Runnable action) {
4783	>	return cf.runAfterEitherAsync(other, action); }
4784	>	public CompletionStage<Void> runAfterEitherAsync
4785	>	(CompletionStage<?> other,
4786	>	Runnable action,
4787	>	Executor executor) {
4788	>	return cf.runAfterEitherAsync(other, action, executor); }
4789	>	public <U> CompletionStage<U> thenCompose
4790	>	(Function<? super T, ? extends CompletionStage<U>> fn) {
4791	>	return cf.thenCompose(fn); }
4792	>	public <U> CompletionStage<U> thenComposeAsync
4793	>	(Function<? super T, ? extends CompletionStage<U>> fn) {
4794	>	return cf.thenComposeAsync(fn); }
4795	>	public <U> CompletionStage<U> thenComposeAsync
4796	>	(Function<? super T, ? extends CompletionStage<U>> fn,
4797	>	Executor executor) {
4798	>	return cf.thenComposeAsync(fn, executor); }
4799	>	public <U> CompletionStage<U> handle
4800	>	(BiFunction<? super T, Throwable, ? extends U> fn) {
4801	>	return cf.handle(fn); }
4802	>	public <U> CompletionStage<U> handleAsync
4803	>	(BiFunction<? super T, Throwable, ? extends U> fn) {
4804	>	return cf.handleAsync(fn); }
4805	>	public <U> CompletionStage<U> handleAsync
4806	>	(BiFunction<? super T, Throwable, ? extends U> fn,
4807	>	Executor executor) {
4808	>	return cf.handleAsync(fn, executor); }
4809	>	public CompletionStage<T> whenComplete
4810	>	(BiConsumer<? super T, ? super Throwable> action) {
4811	>	return cf.whenComplete(action); }
4812	>	public CompletionStage<T> whenCompleteAsync
4813	>	(BiConsumer<? super T, ? super Throwable> action) {
4814	>	return cf.whenCompleteAsync(action); }
4815	>	public CompletionStage<T> whenCompleteAsync
4816	>	(BiConsumer<? super T, ? super Throwable> action,
4817	>	Executor executor) {
4818	>	return cf.whenCompleteAsync(action, executor); }
4819	>	public CompletionStage<T> exceptionally
4820	>	(Function<Throwable, ? extends T> fn) {
4821	>	return cf.exceptionally(fn); }
4822		}
4823
4824		/**
4825	<	* whenCompleteAsync action executes on exceptional completion, propagating
4826	<	* source result.
4825	>	* default-implemented exceptionallyAsync action is not invoked when
4826	>	* source completes normally, and source result is propagated
4827		*/
4828	<	public void testWhenCompleteAsync2e() {
4829	<	final AtomicInteger a = new AtomicInteger();
4830	<	ThreadExecutor exec = new ThreadExecutor();
4831	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4832	<	CompletableFuture<Integer> g =
4833	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
4834	<	exec);
4835	<	f.completeExceptionally(new CFException());
4836	<	checkCompletedWithWrappedCFException(f);
4837	<	checkCompletedWithWrappedCFException(g);
4838	<	}
4828	>	public void testDefaultExceptionallyAsync_normalCompletion() {
4829	>	for (boolean createIncomplete : new boolean[] { true, false })
4830	>	for (Integer v1 : new Integer[] { 1, null })
4831	>	{
4832	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4833	>	final DelegatedCompletionStage<Integer> d =
4834	>	new DelegatedCompletionStage<Integer>(f);
4835	>	if (!createIncomplete) assertTrue(f.complete(v1));
4836	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4837	>	((Throwable t) -> {
4838	>	threadFail("should not be called");
4839	>	return null;            // unreached
4840	>	});
4841	>	if (createIncomplete) assertTrue(f.complete(v1));
4842	>
4843	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4844	>	}}
4845
4846		/**
4847	<	* If a whenCompleteAsync action throws an exception when triggered
4848	<	* by a normal completion, it completes exceptionally
4847	>	* default-implemented exceptionallyAsync action completes with
4848	>	* function value on source exception
4849		*/
4850	<	public void testWhenCompleteAsync3e() {
4851	<	ThreadExecutor exec = new ThreadExecutor();
4852	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4853	<	CompletableFuture<Integer> g =
4854	<	f.whenCompleteAsync((Integer x, Throwable t) ->
4855	<	{ throw new CFException(); },
4856	<	exec);
4857	<	f.complete(three);
4858	<	checkCompletedNormally(f, three);
4859	<	checkCompletedWithWrappedCFException(g);
4860	<	}
4850	>	public void testDefaultExceptionallyAsync_exceptionalCompletion() {
4851	>	for (boolean createIncomplete : new boolean[] { true, false })
4852	>	for (Integer v1 : new Integer[] { 1, null })
4853	>	{
4854	>	final AtomicInteger a = new AtomicInteger(0);
4855	>	final CFException ex = new CFException();
4856	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4857	>	final DelegatedCompletionStage<Integer> d =
4858	>	new DelegatedCompletionStage<Integer>(f);
4859	>	if (!createIncomplete) f.completeExceptionally(ex);
4860	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4861	>	((Throwable t) -> {
4862	>	threadAssertSame(t, ex);
4863	>	a.getAndIncrement();
4864	>	return v1;
4865	>	});
4866	>	if (createIncomplete) f.completeExceptionally(ex);
4867	>
4868	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4869	>	assertEquals(1, a.get());
4870	>	}}
4871	>
4872	>	/**
4873	>	* Under default implementation, if an "exceptionally action"
4874	>	* throws an exception, it completes exceptionally with that
4875	>	* exception
4876	>	*/
4877	>	public void testDefaultExceptionallyAsync_exceptionalCompletionActionFailed() {
4878	>	for (boolean createIncomplete : new boolean[] { true, false })
4879	>	{
4880	>	final AtomicInteger a = new AtomicInteger(0);
4881	>	final CFException ex1 = new CFException();
4882	>	final CFException ex2 = new CFException();
4883	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4884	>	final DelegatedCompletionStage<Integer> d =
4885	>	new DelegatedCompletionStage<Integer>(f);
4886	>	if (!createIncomplete) f.completeExceptionally(ex1);
4887	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4888	>	((Throwable t) -> {
4889	>	threadAssertSame(t, ex1);
4890	>	a.getAndIncrement();
4891	>	throw ex2;
4892	>	});
4893	>	if (createIncomplete) f.completeExceptionally(ex1);
4894	>
4895	>	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4896	>	checkCompletedExceptionally(f, ex1);
4897	>	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4898	>	assertEquals(1, a.get());
4899	>	}}
4900
4901		/**
4902	<	* handleAsync action completes normally with function value on
4903	<	* either normal or exceptional completion of source
4902	>	* default-implemented exceptionallyCompose result completes
4903	>	* normally after normal completion of source
4904		*/
4905	<	public void testHandleAsync() {
4906	<	CompletableFuture<Integer> f, g;
4907	<	IntegerHandler r;
4905	>	public void testDefaultExceptionallyCompose_normalCompletion() {
4906	>	for (boolean createIncomplete : new boolean[] { true, false })
4907	>	for (Integer v1 : new Integer[] { 1, null })
4908	>	{
4909	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4910	>	final ExceptionalCompletableFutureFunction r =
4911	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4912	>	final DelegatedCompletionStage<Integer> d =
4913	>	new DelegatedCompletionStage<Integer>(f);
4914	>	if (!createIncomplete) assertTrue(f.complete(v1));
4915	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4916	>	if (createIncomplete) assertTrue(f.complete(v1));
4917
4918	<	f = new CompletableFuture<>();
4919	<	g = f.handleAsync(r = new IntegerHandler());
4920	<	assertFalse(r.ran);
4921	<	f.completeExceptionally(new CFException());
3431	<	checkCompletedWithWrappedCFException(f);
3432	<	checkCompletedNormally(g, three);
3433	<	assertTrue(r.ran);
4918	>	checkCompletedNormally(f, v1);
4919	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4920	>	r.assertNotInvoked();
4921	>	}}
4922
4923	<	f = new CompletableFuture<>();
4924	<	g = f.handleAsync(r = new IntegerHandler());
4925	<	assertFalse(r.ran);
4926	<	f.completeExceptionally(new CFException());
4927	<	checkCompletedWithWrappedCFException(f);
4928	<	checkCompletedNormally(g, three);
4929	<	assertTrue(r.ran);
4923	>	/**
4924	>	* default-implemented exceptionallyCompose result completes
4925	>	* normally after exceptional completion of source
4926	>	*/
4927	>	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4928	>	for (boolean createIncomplete : new boolean[] { true, false })
4929	>	{
4930	>	final CFException ex = new CFException();
4931	>	final ExceptionalCompletableFutureFunction r =
4932	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4933	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4934	>	final DelegatedCompletionStage<Integer> d =
4935	>	new DelegatedCompletionStage<Integer>(f);
4936	>	if (!createIncomplete) f.completeExceptionally(ex);
4937	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4938	>	if (createIncomplete) f.completeExceptionally(ex);
4939	>
4940	>	checkCompletedExceptionally(f, ex);
4941	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
4942	>	r.assertInvoked();
4943	>	}}
4944	>
4945	>	/**
4946	>	* default-implemented exceptionallyCompose completes
4947	>	* exceptionally on exception if action does
4948	>	*/
4949	>	public void testDefaultExceptionallyCompose_actionFailed() {
4950	>	for (boolean createIncomplete : new boolean[] { true, false })
4951	>	{
4952	>	final CFException ex = new CFException();
4953	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4954	>	final FailingExceptionalCompletableFutureFunction r
4955	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4956	>	final DelegatedCompletionStage<Integer> d =
4957	>	new DelegatedCompletionStage<Integer>(f);
4958	>	if (!createIncomplete) f.completeExceptionally(ex);
4959	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4960	>	if (createIncomplete) f.completeExceptionally(ex);
4961	>
4962	>	checkCompletedExceptionally(f, ex);
4963	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4964	>	r.assertInvoked();
4965	>	}}
4966
4967	<	f = new CompletableFuture<>();
4968	<	g = f.handleAsync(r = new IntegerHandler());
4969	<	assertFalse(r.ran);
4970	<	f.complete(one);
4971	<	checkCompletedNormally(f, one);
4972	<	checkCompletedNormally(g, two);
4973	<	assertTrue(r.ran);
4967	>	/**
4968	>	* default-implemented exceptionallyComposeAsync result completes
4969	>	* normally after normal completion of source
4970	>	*/
4971	>	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4972	>	for (boolean createIncomplete : new boolean[] { true, false })
4973	>	for (Integer v1 : new Integer[] { 1, null })
4974	>	{
4975	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4976	>	final ExceptionalCompletableFutureFunction r =
4977	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4978	>	final DelegatedCompletionStage<Integer> d =
4979	>	new DelegatedCompletionStage<Integer>(f);
4980	>	if (!createIncomplete) assertTrue(f.complete(v1));
4981	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4982	>	if (createIncomplete) assertTrue(f.complete(v1));
4983
4984	<	f = new CompletableFuture<>();
4985	<	g = f.handleAsync(r = new IntegerHandler());
4986	<	assertFalse(r.ran);
4987	<	f.complete(one);
3455	<	checkCompletedNormally(f, one);
3456	<	checkCompletedNormally(g, two);
3457	<	assertTrue(r.ran);
3458	<	}
4984	>	checkCompletedNormally(f, v1);
4985	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4986	>	r.assertNotInvoked();
4987	>	}}
4988
4989		/**
4990	<	* handleAsync action with Executor completes normally with
4991	<	* function value on either normal or exceptional completion of
3463	<	* source
4990	>	* default-implemented exceptionallyComposeAsync result completes
4991	>	* normally after exceptional completion of source
4992		*/
4993	<	public void testHandleAsync2() {
4994	<	CompletableFuture<Integer> f, g;
4995	<	ThreadExecutor exec = new ThreadExecutor();
4996	<	IntegerHandler r;
4997	<
4998	<	f = new CompletableFuture<>();
4999	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5000	<	assertFalse(r.ran);
5001	<	f.completeExceptionally(new CFException());
5002	<	checkCompletedWithWrappedCFException(f);
5003	<	checkCompletedNormally(g, three);
5004	<	assertTrue(r.ran);
4993	>	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
4994	>	for (boolean createIncomplete : new boolean[] { true, false })
4995	>	{
4996	>	final CFException ex = new CFException();
4997	>	final ExceptionalCompletableFutureFunction r =
4998	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4999	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5000	>	final DelegatedCompletionStage<Integer> d =
5001	>	new DelegatedCompletionStage<Integer>(f);
5002	>	if (!createIncomplete) f.completeExceptionally(ex);
5003	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5004	>	if (createIncomplete) f.completeExceptionally(ex);
5005	>
5006	>	checkCompletedExceptionally(f, ex);
5007	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5008	>	r.assertInvoked();
5009	>	}}
5010	>
5011	>	/**
5012	>	* default-implemented exceptionallyComposeAsync completes
5013	>	* exceptionally on exception if action does
5014	>	*/
5015	>	public void testDefaultExceptionallyComposeAsync_actionFailed() {
5016	>	for (boolean createIncomplete : new boolean[] { true, false })
5017	>	{
5018	>	final CFException ex = new CFException();
5019	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5020	>	final FailingExceptionalCompletableFutureFunction r
5021	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5022	>	final DelegatedCompletionStage<Integer> d =
5023	>	new DelegatedCompletionStage<Integer>(f);
5024	>	if (!createIncomplete) f.completeExceptionally(ex);
5025	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5026	>	if (createIncomplete) f.completeExceptionally(ex);
5027	>
5028	>	checkCompletedExceptionally(f, ex);
5029	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5030	>	r.assertInvoked();
5031	>	}}
5032
5033	<	f = new CompletableFuture<>();
5034	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5035	<	assertFalse(r.ran);
5036	<	f.completeExceptionally(new CFException());
5037	<	checkCompletedWithWrappedCFException(f);
5038	<	checkCompletedNormally(g, three);
5039	<	assertTrue(r.ran);
5033	>	/**
5034	>	* default-implemented exceptionallyComposeAsync result completes
5035	>	* normally after normal completion of source
5036	>	*/
5037	>	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
5038	>	for (boolean createIncomplete : new boolean[] { true, false })
5039	>	for (Integer v1 : new Integer[] { 1, null })
5040	>	{
5041	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5042	>	final ExceptionalCompletableFutureFunction r =
5043	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5044	>	final DelegatedCompletionStage<Integer> d =
5045	>	new DelegatedCompletionStage<Integer>(f);
5046	>	if (!createIncomplete) assertTrue(f.complete(v1));
5047	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5048	>	if (createIncomplete) assertTrue(f.complete(v1));
5049
5050	<	f = new CompletableFuture<>();
5051	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5052	<	assertFalse(r.ran);
5053	<	f.complete(one);
3490	<	checkCompletedNormally(f, one);
3491	<	checkCompletedNormally(g, two);
3492	<	assertTrue(r.ran);
5050	>	checkCompletedNormally(f, v1);
5051	>	checkCompletedNormally(g.toCompletableFuture(), v1);
5052	>	r.assertNotInvoked();
5053	>	}}
5054
5055	<	f = new CompletableFuture<>();
5056	<	g = f.handleAsync(r = new IntegerHandler(), exec);
5057	<	assertFalse(r.ran);
5058	<	f.complete(one);
5059	<	checkCompletedNormally(f, one);
5060	<	checkCompletedNormally(g, two);
5061	<	assertTrue(r.ran);
5062	<	}
5055	>	/**
5056	>	* default-implemented exceptionallyComposeAsync result completes
5057	>	* normally after exceptional completion of source
5058	>	*/
5059	>	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5060	>	for (boolean createIncomplete : new boolean[] { true, false })
5061	>	{
5062	>	final CFException ex = new CFException();
5063	>	final ExceptionalCompletableFutureFunction r =
5064	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5065	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5066	>	final DelegatedCompletionStage<Integer> d =
5067	>	new DelegatedCompletionStage<Integer>(f);
5068	>	if (!createIncomplete) f.completeExceptionally(ex);
5069	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5070	>	if (createIncomplete) f.completeExceptionally(ex);
5071	>
5072	>	checkCompletedExceptionally(f, ex);
5073	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5074	>	r.assertInvoked();
5075	>	}}
5076	>
5077	>	/**
5078	>	* default-implemented exceptionallyComposeAsync completes
5079	>	* exceptionally on exception if action does
5080	>	*/
5081	>	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5082	>	for (boolean createIncomplete : new boolean[] { true, false })
5083	>	{
5084	>	final CFException ex = new CFException();
5085	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5086	>	final FailingExceptionalCompletableFutureFunction r
5087	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5088	>	final DelegatedCompletionStage<Integer> d =
5089	>	new DelegatedCompletionStage<Integer>(f);
5090	>	if (!createIncomplete) f.completeExceptionally(ex);
5091	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5092	>	if (createIncomplete) f.completeExceptionally(ex);
5093	>
5094	>	checkCompletedExceptionally(f, ex);
5095	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5096	>	r.assertInvoked();
5097	>	}}
5098
5099		}

Diff Legend

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