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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.79 by jsr166, Mon Jun 16 17:08:15 2014 UTC vs.
Revision 1.201 by jsr166, Sat Sep 22 21:04:48 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;
25	<	import static java.util.concurrent.TimeUnit.SECONDS;
26	<	import java.util.*;
27	<	import java.util.function.Supplier;
28	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
30	–	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 44 | 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); }
66	<	try {
67	<	assertEquals(value, f.getNow(null));
68	<	} 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 {
86	<	f.join();
87	<	shouldThrow();
88	<	} catch (CompletionException success) {
89	<	assertTrue(success.getCause() instanceof CFException);
90	<	}
91	<	try {
92	<	f.getNow(null);
93	<	shouldThrow();
94	<	} catch (CompletionException success) {
95	<	assertTrue(success.getCause() instanceof CFException);
96	<	}
97	<	try {
98	<	f.get();
99	<	shouldThrow();
100	<	} catch (ExecutionException success) {
101	<	assertTrue(success.getCause() instanceof CFException);
102	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
103	<	assertTrue(f.isDone());
104	<	assertFalse(f.isCancelled());
105	<	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	<	<U> void checkCompletedExceptionallyWithRootCause(CompletableFuture<U> f,
106	<	Throwable 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
135	–	assertTrue(f.isDone());
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	<	<U> void checkCompletedWithWrappedException(CompletableFuture<U> f,
152	<	Throwable ex) {
153	<	checkCompletedExceptionallyWithRootCause(f, ex);
143	<	try {
144	<	CompletableFuture<Throwable> spy = f.handle
145	<	((U u, Throwable t) -> t);
146	<	assertTrue(spy.join() instanceof CompletionException);
147	<	assertSame(ex, spy.join().getCause());
148	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
151	>	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
152	>	checkCompletedExceptionally(f, true,
153	>	t -> assertTrue(t instanceof CFException));
154		}
155
156	<	<U> void checkCompletedExceptionally(CompletableFuture<U> f, Throwable ex) {
157	<	checkCompletedExceptionallyWithRootCause(f, ex);
158	<	try {
159	<	CompletableFuture<Throwable> spy = f.handle
160	<	((U u, Throwable t) -> t);
161	<	assertSame(ex, spy.join());
162	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
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 176 | Line 194 | public class CompletableFutureTest exten
194		shouldThrow();
195		} catch (CancellationException success) {
196		} catch (Throwable fail) { threadUnexpectedException(fail); }
179	–	assertTrue(f.isDone());
180	–	assertTrue(f.isCompletedExceptionally());
181	–	assertTrue(f.isCancelled());
182	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
183	–	}
197
198	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
199	<	try {
187	<	f.get(LONG_DELAY_MS, MILLISECONDS);
188	<	shouldThrow();
189	<	} catch (ExecutionException success) {
190	<	assertTrue(success.getCause() instanceof CancellationException);
191	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
192	<	try {
193	<	f.join();
194	<	shouldThrow();
195	<	} catch (CompletionException success) {
196	<	assertTrue(success.getCause() instanceof CancellationException);
197	<	}
198	<	try {
199	<	f.getNow(null);
200	<	shouldThrow();
201	<	} catch (CompletionException success) {
202	<	assertTrue(success.getCause() instanceof CancellationException);
203	<	}
204	<	try {
205	<	f.get();
206	<	shouldThrow();
207	<	} catch (ExecutionException success) {
208	<	assertTrue(success.getCause() instanceof CancellationException);
209	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
198	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
199	>
200		assertTrue(f.isDone());
211	–	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 257 | Line 247 | public class CompletableFutureTest exten
247		{
248		CompletableFuture<Integer> f = new CompletableFuture<>();
249		checkIncomplete(f);
250	<	assertTrue(f.cancel(true));
251	<	assertTrue(f.cancel(true));
250	>	assertTrue(f.cancel(mayInterruptIfRunning));
251	>	assertTrue(f.cancel(mayInterruptIfRunning));
252	>	assertTrue(f.cancel(!mayInterruptIfRunning));
253		checkCancelled(f);
254		}}
255
#	Line 308 | Line 299 | public class CompletableFutureTest exten
299		}
300
301		f = new CompletableFuture<>();
302	<	f.completeExceptionally(ex = new CFException());
302	>	f.completeExceptionally(new CFException());
303		f.obtrudeValue(v1);
304		checkCompletedNormally(f, v1);
305		f.obtrudeException(ex = new CFException());
#	Line 345 | Line 336 | public class CompletableFutureTest exten
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]"));
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().contains("[Completed normally]"));
350	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
351	>	if (testImplementationDetails)
352	>	assertEquals(identityString(f) + "[Completed normally]",
353	>	f.toString());
354	>	}
355
356	<	f = new CompletableFuture<String>();
356	>	public void testToString_exception() {
357	>	CompletableFuture<String> f = new CompletableFuture<>();
358		assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
359	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
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	<	f = new CompletableFuture<String>();
367	>	CompletableFuture<String> f = new CompletableFuture<>();
368		assertTrue(f.cancel(mayInterruptIfRunning));
369	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
369	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
370	>	if (testImplementationDetails)
371	>	assertTrue(f.toString().startsWith(
372	>	identityString(f) + "[Completed exceptionally: "));
373		}
374		}
375
#	Line 373 | Line 381 | public class CompletableFutureTest exten
381		checkCompletedNormally(f, "test");
382		}
383
384	<	abstract class CheckedAction {
384	>	abstract static class CheckedAction {
385		int invocationCount = 0;
386		final ExecutionMode m;
387		CheckedAction(ExecutionMode m) { this.m = m; }
#	Line 385 | Line 393 | public class CompletableFutureTest exten
393		void assertInvoked() { assertEquals(1, invocationCount); }
394		}
395
396	<	abstract class CheckedIntegerAction extends CheckedAction {
396	>	abstract static class CheckedIntegerAction extends CheckedAction {
397		Integer value;
398		CheckedIntegerAction(ExecutionMode m) { super(m); }
399		void assertValue(Integer expected) {
#	Line 394 | Line 402 | public class CompletableFutureTest exten
402		}
403		}
404
405	<	class IntegerSupplier extends CheckedAction
405	>	static class IntegerSupplier extends CheckedAction
406		implements Supplier<Integer>
407		{
408		final Integer value;
#	Line 413 | Line 421 | public class CompletableFutureTest exten
421		return (x == null) ? null : x + 1;
422		}
423
424	<	class NoopConsumer extends CheckedIntegerAction
424	>	static class NoopConsumer extends CheckedIntegerAction
425		implements Consumer<Integer>
426		{
427		NoopConsumer(ExecutionMode m) { super(m); }
#	Line 423 | Line 431 | public class CompletableFutureTest exten
431		}
432		}
433
434	<	class IncFunction extends CheckedIntegerAction
434	>	static class IncFunction extends CheckedIntegerAction
435		implements Function<Integer,Integer>
436		{
437		IncFunction(ExecutionMode m) { super(m); }
#	Line 441 | Line 449 | public class CompletableFutureTest exten
449		- ((y == null) ? 99 : y.intValue());
450		}
451
452	<	class SubtractAction extends CheckedIntegerAction
452	>	static class SubtractAction extends CheckedIntegerAction
453		implements BiConsumer<Integer, Integer>
454		{
455		SubtractAction(ExecutionMode m) { super(m); }
#	Line 451 | Line 459 | public class CompletableFutureTest exten
459		}
460		}
461
462	<	class SubtractFunction extends CheckedIntegerAction
462	>	static class SubtractFunction extends CheckedIntegerAction
463		implements BiFunction<Integer, Integer, Integer>
464		{
465		SubtractFunction(ExecutionMode m) { super(m); }
#	Line 461 | Line 469 | public class CompletableFutureTest exten
469		}
470		}
471
472	<	class Noop extends CheckedAction implements Runnable {
472	>	static class Noop extends CheckedAction implements Runnable {
473		Noop(ExecutionMode m) { super(m); }
474		public void run() {
475		invoked();
476		}
477		}
478
479	<	class FailingSupplier extends CheckedAction
479	>	static class FailingSupplier extends CheckedAction
480		implements Supplier<Integer>
481		{
482	<	FailingSupplier(ExecutionMode m) { super(m); }
482	>	final CFException ex;
483	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
484		public Integer get() {
485		invoked();
486	<	throw new CFException();
486	>	throw ex;
487		}
488		}
489
490	<	class FailingConsumer extends CheckedIntegerAction
490	>	static class FailingConsumer extends CheckedIntegerAction
491		implements Consumer<Integer>
492		{
493	<	FailingConsumer(ExecutionMode m) { super(m); }
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 new CFException();
498	>	throw ex;
499		}
500		}
501
502	<	class FailingBiConsumer extends CheckedIntegerAction
502	>	static class FailingBiConsumer extends CheckedIntegerAction
503		implements BiConsumer<Integer, Integer>
504		{
505	<	FailingBiConsumer(ExecutionMode m) { super(m); }
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 new CFException();
510	>	throw ex;
511		}
512		}
513
514	<	class FailingFunction extends CheckedIntegerAction
514	>	static class FailingFunction extends CheckedIntegerAction
515		implements Function<Integer, Integer>
516		{
517	<	FailingFunction(ExecutionMode m) { super(m); }
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 new CFException();
522	>	throw ex;
523		}
524		}
525
526	<	class FailingBiFunction extends CheckedIntegerAction
526	>	static class FailingBiFunction extends CheckedIntegerAction
527		implements BiFunction<Integer, Integer, Integer>
528		{
529	<	FailingBiFunction(ExecutionMode m) { super(m); }
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 new CFException();
534	>	throw ex;
535		}
536		}
537
538	<	class FailingRunnable extends CheckedAction implements Runnable {
539	<	FailingRunnable(ExecutionMode m) { super(m); }
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 new CFException();
543	>	throw ex;
544		}
545		}
546
547	<
534	<	class CompletableFutureInc extends CheckedIntegerAction
547	>	static class CompletableFutureInc extends CheckedIntegerAction
548		implements Function<Integer, CompletableFuture<Integer>>
549		{
550		CompletableFutureInc(ExecutionMode m) { super(m); }
#	Line 544 | Line 557 | public class CompletableFutureTest exten
557		}
558		}
559
560	<	class FailingCompletableFutureFunction extends CheckedIntegerAction
560	>	static class FailingExceptionalCompletableFutureFunction extends CheckedAction
561	>	implements Function<Throwable, CompletableFuture<Integer>>
562	>	{
563	>	final CFException ex;
564	>	FailingExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
565	>	public CompletableFuture<Integer> apply(Throwable x) {
566	>	invoked();
567	>	throw ex;
568	>	}
569	>	}
570	>
571	>	static class ExceptionalCompletableFutureFunction extends CheckedAction
572	>	implements Function<Throwable, CompletionStage<Integer>> {
573	>	final Integer value = 3;
574	>	ExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); }
575	>	public CompletionStage<Integer> apply(Throwable x) {
576	>	invoked();
577	>	CompletableFuture<Integer> d = new CompletableFuture<Integer>();
578	>	d.complete(value);
579	>	return d;
580	>	}
581	>	}
582	>
583	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
584		implements Function<Integer, CompletableFuture<Integer>>
585		{
586	<	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
586	>	final CFException ex;
587	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
588		public CompletableFuture<Integer> apply(Integer x) {
589		invoked();
590		value = x;
591	<	throw new CFException();
591	>	throw ex;
592	>	}
593	>	}
594	>
595	>	static class CountingRejectingExecutor implements Executor {
596	>	final RejectedExecutionException ex = new RejectedExecutionException();
597	>	final AtomicInteger count = new AtomicInteger(0);
598	>	public void execute(Runnable r) {
599	>	count.getAndIncrement();
600	>	throw ex;
601		}
602		}
603
#	Line 569 | Line 615 | public class CompletableFutureTest exten
615		}
616		}
617
618	+	static final boolean defaultExecutorIsCommonPool
619	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
620	+
621		/**
622		* Permits the testing of parallel code for the 3 different
623		* execution modes without copy/pasting all the test methods.
624		*/
625		enum ExecutionMode {
626	<	DEFAULT {
626	>	SYNC {
627		public void checkExecutionMode() {
628		assertFalse(ThreadExecutor.startedCurrentThread());
629		assertNull(ForkJoinTask.getPool());
#	Line 646 | Line 695 | public class CompletableFutureTest exten
695		Function<? super T,U> a) {
696		return f.applyToEither(g, a);
697		}
698	+	public <T> CompletableFuture<T> exceptionally
699	+	(CompletableFuture<T> f,
700	+	Function<Throwable, ? extends T> fn) {
701	+	return f.exceptionally(fn);
702	+	}
703	+	public <T> CompletableFuture<T> exceptionallyCompose
704	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
705	+	return f.exceptionallyCompose(fn);
706	+	}
707		},
650	–
708		ASYNC {
709		public void checkExecutionMode() {
710	<	assertSame(ForkJoinPool.commonPool(),
711	<	ForkJoinTask.getPool());
710	>	assertEquals(defaultExecutorIsCommonPool,
711	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
712		}
713		public CompletableFuture<Void> runAsync(Runnable a) {
714		return CompletableFuture.runAsync(a);
#	Line 720 | Line 777 | public class CompletableFutureTest exten
777		Function<? super T,U> a) {
778		return f.applyToEitherAsync(g, a);
779		}
780	+	public <T> CompletableFuture<T> exceptionally
781	+	(CompletableFuture<T> f,
782	+	Function<Throwable, ? extends T> fn) {
783	+	return f.exceptionallyAsync(fn);
784	+	}
785	+
786	+	public <T> CompletableFuture<T> exceptionallyCompose
787	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
788	+	return f.exceptionallyComposeAsync(fn);
789	+	}
790	+
791		},
792
793		EXECUTOR {
#	Line 793 | Line 861 | public class CompletableFutureTest exten
861		Function<? super T,U> a) {
862		return f.applyToEitherAsync(g, a, new ThreadExecutor());
863		}
864	+	public <T> CompletableFuture<T> exceptionally
865	+	(CompletableFuture<T> f,
866	+	Function<Throwable, ? extends T> fn) {
867	+	return f.exceptionallyAsync(fn, new ThreadExecutor());
868	+	}
869	+	public <T> CompletableFuture<T> exceptionallyCompose
870	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
871	+	return f.exceptionallyComposeAsync(fn, new ThreadExecutor());
872	+	}
873	+
874		};
875
876		public abstract void checkExecutionMode();
#	Line 835 | Line 913 | public class CompletableFutureTest exten
913		(CompletableFuture<T> f,
914		CompletionStage<? extends T> g,
915		Function<? super T,U> a);
916	+	public abstract <T> CompletableFuture<T> exceptionally
917	+	(CompletableFuture<T> f,
918	+	Function<Throwable, ? extends T> fn);
919	+	public abstract <T> CompletableFuture<T> exceptionallyCompose
920	+	(CompletableFuture<T> f,
921	+	Function<Throwable, ? extends CompletionStage<T>> fn);
922		}
923
924		/**
#	Line 842 | Line 926 | public class CompletableFutureTest exten
926		* normally, and source result is propagated
927		*/
928		public void testExceptionally_normalCompletion() {
929	+	for (ExecutionMode m : ExecutionMode.values())
930		for (boolean createIncomplete : new boolean[] { true, false })
931		for (Integer v1 : new Integer[] { 1, null })
932		{
933		final AtomicInteger a = new AtomicInteger(0);
934		final CompletableFuture<Integer> f = new CompletableFuture<>();
935		if (!createIncomplete) assertTrue(f.complete(v1));
936	<	final CompletableFuture<Integer> g = f.exceptionally
937	<	((Throwable t) -> {
853	<	// Should not be called
936	>	final CompletableFuture<Integer> g = m.exceptionally
937	>	(f, (Throwable t) -> {
938		a.getAndIncrement();
939	<	throw new AssertionError();
939	>	threadFail("should not be called");
940	>	return null;            // unreached
941		});
942		if (createIncomplete) assertTrue(f.complete(v1));
943
#	Line 866 | Line 951 | public class CompletableFutureTest exten
951		* exception
952		*/
953		public void testExceptionally_exceptionalCompletion() {
954	+	for (ExecutionMode m : ExecutionMode.values())
955		for (boolean createIncomplete : new boolean[] { true, false })
956		for (Integer v1 : new Integer[] { 1, null })
957		{
#	Line 873 | Line 959 | public class CompletableFutureTest exten
959		final CFException ex = new CFException();
960		final CompletableFuture<Integer> f = new CompletableFuture<>();
961		if (!createIncomplete) f.completeExceptionally(ex);
962	<	final CompletableFuture<Integer> g = f.exceptionally
963	<	((Throwable t) -> {
964	<	ExecutionMode.DEFAULT.checkExecutionMode();
962	>	final CompletableFuture<Integer> g = m.exceptionally
963	>	(f, (Throwable t) -> {
964	>	m.checkExecutionMode();
965		threadAssertSame(t, ex);
966		a.getAndIncrement();
967		return v1;
#	Line 886 | Line 972 | public class CompletableFutureTest exten
972		assertEquals(1, a.get());
973		}}
974
975	+	/**
976	+	* If an "exceptionally action" throws an exception, it completes
977	+	* exceptionally with that exception
978	+	*/
979		public void testExceptionally_exceptionalCompletionActionFailed() {
980	+	for (ExecutionMode m : ExecutionMode.values())
981		for (boolean createIncomplete : new boolean[] { true, false })
891	–	for (Integer v1 : new Integer[] { 1, null })
982		{
983		final AtomicInteger a = new AtomicInteger(0);
984		final CFException ex1 = new CFException();
985		final CFException ex2 = new CFException();
986		final CompletableFuture<Integer> f = new CompletableFuture<>();
987		if (!createIncomplete) f.completeExceptionally(ex1);
988	<	final CompletableFuture<Integer> g = f.exceptionally
989	<	((Throwable t) -> {
990	<	ExecutionMode.DEFAULT.checkExecutionMode();
988	>	final CompletableFuture<Integer> g = m.exceptionally
989	>	(f, (Throwable t) -> {
990	>	m.checkExecutionMode();
991		threadAssertSame(t, ex1);
992		a.getAndIncrement();
993		throw ex2;
#	Line 905 | Line 995 | public class CompletableFutureTest exten
995		if (createIncomplete) f.completeExceptionally(ex1);
996
997		checkCompletedWithWrappedException(g, ex2);
998	+	checkCompletedExceptionally(f, ex1);
999		assertEquals(1, a.get());
1000		}}
1001
#	Line 912 | Line 1003 | public class CompletableFutureTest exten
1003		* whenComplete action executes on normal completion, propagating
1004		* source result.
1005		*/
1006	<	public void testWhenComplete_normalCompletion1() {
1006	>	public void testWhenComplete_normalCompletion() {
1007		for (ExecutionMode m : ExecutionMode.values())
1008		for (boolean createIncomplete : new boolean[] { true, false })
1009		for (Integer v1 : new Integer[] { 1, null })
#	Line 922 | Line 1013 | public class CompletableFutureTest exten
1013		if (!createIncomplete) assertTrue(f.complete(v1));
1014		final CompletableFuture<Integer> g = m.whenComplete
1015		(f,
1016	<	(Integer x, Throwable t) -> {
1016	>	(Integer result, Throwable t) -> {
1017		m.checkExecutionMode();
1018	<	threadAssertSame(x, v1);
1018	>	threadAssertSame(result, v1);
1019		threadAssertNull(t);
1020		a.getAndIncrement();
1021		});
#	Line 942 | Line 1033 | public class CompletableFutureTest exten
1033		public void testWhenComplete_exceptionalCompletion() {
1034		for (ExecutionMode m : ExecutionMode.values())
1035		for (boolean createIncomplete : new boolean[] { true, false })
945	–	for (Integer v1 : new Integer[] { 1, null })
1036		{
1037		final AtomicInteger a = new AtomicInteger(0);
1038		final CFException ex = new CFException();
#	Line 950 | Line 1040 | public class CompletableFutureTest exten
1040		if (!createIncomplete) f.completeExceptionally(ex);
1041		final CompletableFuture<Integer> g = m.whenComplete
1042		(f,
1043	<	(Integer x, Throwable t) -> {
1043	>	(Integer result, Throwable t) -> {
1044		m.checkExecutionMode();
1045	<	threadAssertNull(x);
1045	>	threadAssertNull(result);
1046		threadAssertSame(t, ex);
1047		a.getAndIncrement();
1048		});
#	Line 977 | Line 1067 | public class CompletableFutureTest exten
1067		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1068		final CompletableFuture<Integer> g = m.whenComplete
1069		(f,
1070	<	(Integer x, Throwable t) -> {
1070	>	(Integer result, Throwable t) -> {
1071		m.checkExecutionMode();
1072	<	threadAssertNull(x);
1072	>	threadAssertNull(result);
1073		threadAssertTrue(t instanceof CancellationException);
1074		a.getAndIncrement();
1075		});
#	Line 994 | Line 1084 | public class CompletableFutureTest exten
1084		* If a whenComplete action throws an exception when triggered by
1085		* a normal completion, it completes exceptionally
1086		*/
1087	<	public void testWhenComplete_actionFailed() {
1087	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1088		for (boolean createIncomplete : new boolean[] { true, false })
1089		for (ExecutionMode m : ExecutionMode.values())
1090		for (Integer v1 : new Integer[] { 1, null })
#	Line 1005 | Line 1095 | public class CompletableFutureTest exten
1095		if (!createIncomplete) assertTrue(f.complete(v1));
1096		final CompletableFuture<Integer> g = m.whenComplete
1097		(f,
1098	<	(Integer x, Throwable t) -> {
1098	>	(Integer result, Throwable t) -> {
1099		m.checkExecutionMode();
1100	<	threadAssertSame(x, v1);
1100	>	threadAssertSame(result, v1);
1101		threadAssertNull(t);
1102		a.getAndIncrement();
1103		throw ex;
#	Line 1022 | Line 1112 | public class CompletableFutureTest exten
1112		/**
1113		* If a whenComplete action throws an exception when triggered by
1114		* a source completion that also throws an exception, the source
1115	<	* exception takes precedence.
1115	>	* exception takes precedence (unlike handle)
1116		*/
1117	<	public void testWhenComplete_actionFailedSourceFailed() {
1117	>	public void testWhenComplete_sourceFailedActionFailed() {
1118		for (boolean createIncomplete : new boolean[] { true, false })
1119		for (ExecutionMode m : ExecutionMode.values())
1030	–	for (Integer v1 : new Integer[] { 1, null })
1120		{
1121		final AtomicInteger a = new AtomicInteger(0);
1122		final CFException ex1 = new CFException();
#	Line 1037 | Line 1126 | public class CompletableFutureTest exten
1126		if (!createIncomplete) f.completeExceptionally(ex1);
1127		final CompletableFuture<Integer> g = m.whenComplete
1128		(f,
1129	<	(Integer x, Throwable t) -> {
1129	>	(Integer result, Throwable t) -> {
1130		m.checkExecutionMode();
1131		threadAssertSame(t, ex1);
1132	<	threadAssertNull(x);
1132	>	threadAssertNull(result);
1133		a.getAndIncrement();
1134		throw ex2;
1135		});
#	Line 1048 | Line 1137 | public class CompletableFutureTest exten
1137
1138		checkCompletedWithWrappedException(g, ex1);
1139		checkCompletedExceptionally(f, ex1);
1140	+	if (testImplementationDetails) {
1141	+	assertEquals(1, ex1.getSuppressed().length);
1142	+	assertSame(ex2, ex1.getSuppressed()[0]);
1143	+	}
1144		assertEquals(1, a.get());
1145		}}
1146
#	Line 1065 | Line 1158 | public class CompletableFutureTest exten
1158		if (!createIncomplete) assertTrue(f.complete(v1));
1159		final CompletableFuture<Integer> g = m.handle
1160		(f,
1161	<	(Integer x, Throwable t) -> {
1161	>	(Integer result, Throwable t) -> {
1162		m.checkExecutionMode();
1163	<	threadAssertSame(x, v1);
1163	>	threadAssertSame(result, v1);
1164		threadAssertNull(t);
1165		a.getAndIncrement();
1166		return inc(v1);
#	Line 1094 | Line 1187 | public class CompletableFutureTest exten
1187		if (!createIncomplete) f.completeExceptionally(ex);
1188		final CompletableFuture<Integer> g = m.handle
1189		(f,
1190	<	(Integer x, Throwable t) -> {
1190	>	(Integer result, Throwable t) -> {
1191		m.checkExecutionMode();
1192	<	threadAssertNull(x);
1192	>	threadAssertNull(result);
1193		threadAssertSame(t, ex);
1194		a.getAndIncrement();
1195		return v1;
#	Line 1123 | Line 1216 | public class CompletableFutureTest exten
1216		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1217		final CompletableFuture<Integer> g = m.handle
1218		(f,
1219	<	(Integer x, Throwable t) -> {
1219	>	(Integer result, Throwable t) -> {
1220		m.checkExecutionMode();
1221	<	threadAssertNull(x);
1221	>	threadAssertNull(result);
1222		threadAssertTrue(t instanceof CancellationException);
1223		a.getAndIncrement();
1224		return v1;
#	Line 1138 | Line 1231 | public class CompletableFutureTest exten
1231		}}
1232
1233		/**
1234	<	* handle result completes exceptionally if action does
1234	>	* If a "handle action" throws an exception when triggered by
1235	>	* a normal completion, it completes exceptionally
1236		*/
1237	<	public void testHandle_sourceFailedActionFailed() {
1237	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1238		for (ExecutionMode m : ExecutionMode.values())
1239		for (boolean createIncomplete : new boolean[] { true, false })
1240	+	for (Integer v1 : new Integer[] { 1, null })
1241		{
1242		final CompletableFuture<Integer> f = new CompletableFuture<>();
1243		final AtomicInteger a = new AtomicInteger(0);
1244	<	final CFException ex1 = new CFException();
1245	<	final CFException ex2 = new CFException();
1151	<	if (!createIncomplete) f.completeExceptionally(ex1);
1244	>	final CFException ex = new CFException();
1245	>	if (!createIncomplete) assertTrue(f.complete(v1));
1246		final CompletableFuture<Integer> g = m.handle
1247		(f,
1248	<	(Integer x, Throwable t) -> {
1248	>	(Integer result, Throwable t) -> {
1249		m.checkExecutionMode();
1250	<	threadAssertNull(x);
1251	<	threadAssertSame(ex1, t);
1250	>	threadAssertSame(result, v1);
1251	>	threadAssertNull(t);
1252		a.getAndIncrement();
1253	<	throw ex2;
1253	>	throw ex;
1254		});
1255	<	if (createIncomplete) f.completeExceptionally(ex1);
1255	>	if (createIncomplete) assertTrue(f.complete(v1));
1256
1257	<	checkCompletedWithWrappedException(g, ex2);
1258	<	checkCompletedExceptionally(f, ex1);
1257	>	checkCompletedWithWrappedException(g, ex);
1258	>	checkCompletedNormally(f, v1);
1259		assertEquals(1, a.get());
1260		}}
1261
1262	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1263	<	for (ExecutionMode m : ExecutionMode.values())
1262	>	/**
1263	>	* If a "handle action" throws an exception when triggered by
1264	>	* a source completion that also throws an exception, the action
1265	>	* exception takes precedence (unlike whenComplete)
1266	>	*/
1267	>	public void testHandle_sourceFailedActionFailed() {
1268		for (boolean createIncomplete : new boolean[] { true, false })
1269	<	for (Integer v1 : new Integer[] { 1, null })
1269	>	for (ExecutionMode m : ExecutionMode.values())
1270		{
1173	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1271		final AtomicInteger a = new AtomicInteger(0);
1272	<	final CFException ex = new CFException();
1273	<	if (!createIncomplete) assertTrue(f.complete(v1));
1272	>	final CFException ex1 = new CFException();
1273	>	final CFException ex2 = new CFException();
1274	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1275	>
1276	>	if (!createIncomplete) f.completeExceptionally(ex1);
1277		final CompletableFuture<Integer> g = m.handle
1278		(f,
1279	<	(Integer x, Throwable t) -> {
1279	>	(Integer result, Throwable t) -> {
1280		m.checkExecutionMode();
1281	<	threadAssertSame(x, v1);
1282	<	threadAssertNull(t);
1281	>	threadAssertNull(result);
1282	>	threadAssertSame(ex1, t);
1283		a.getAndIncrement();
1284	<	throw ex;
1284	>	throw ex2;
1285		});
1286	<	if (createIncomplete) assertTrue(f.complete(v1));
1286	>	if (createIncomplete) f.completeExceptionally(ex1);
1287
1288	<	checkCompletedWithWrappedException(g, ex);
1289	<	checkCompletedNormally(f, v1);
1288	>	checkCompletedWithWrappedException(g, ex2);
1289	>	checkCompletedExceptionally(f, ex1);
1290		assertEquals(1, a.get());
1291		}}
1292
#	Line 1219 | Line 1319 | public class CompletableFutureTest exten
1319		{
1320		final FailingRunnable r = new FailingRunnable(m);
1321		final CompletableFuture<Void> f = m.runAsync(r);
1322	<	checkCompletedWithWrappedCFException(f);
1322	>	checkCompletedWithWrappedException(f, r.ex);
1323		r.assertInvoked();
1324		}}
1325
1326	+	@SuppressWarnings("FutureReturnValueIgnored")
1327	+	public void testRunAsync_rejectingExecutor() {
1328	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1329	+	try {
1330	+	CompletableFuture.runAsync(() -> {}, e);
1331	+	shouldThrow();
1332	+	} catch (Throwable t) {
1333	+	assertSame(e.ex, t);
1334	+	}
1335	+
1336	+	assertEquals(1, e.count.get());
1337	+	}
1338	+
1339		/**
1340		* supplyAsync completes with result of supplier
1341		*/
#	Line 1253 | Line 1366 | public class CompletableFutureTest exten
1366		{
1367		FailingSupplier r = new FailingSupplier(m);
1368		CompletableFuture<Integer> f = m.supplyAsync(r);
1369	<	checkCompletedWithWrappedCFException(f);
1369	>	checkCompletedWithWrappedException(f, r.ex);
1370		r.assertInvoked();
1371		}}
1372
1373	+	@SuppressWarnings("FutureReturnValueIgnored")
1374	+	public void testSupplyAsync_rejectingExecutor() {
1375	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1376	+	try {
1377	+	CompletableFuture.supplyAsync(() -> null, e);
1378	+	shouldThrow();
1379	+	} catch (Throwable t) {
1380	+	assertSame(e.ex, t);
1381	+	}
1382	+
1383	+	assertEquals(1, e.count.get());
1384	+	}
1385	+
1386		// seq completion methods
1387
1388		/**
#	Line 1264 | Line 1390 | public class CompletableFutureTest exten
1390		*/
1391		public void testThenRun_normalCompletion() {
1392		for (ExecutionMode m : ExecutionMode.values())
1267	–	for (boolean createIncomplete : new boolean[] { true, false })
1393		for (Integer v1 : new Integer[] { 1, null })
1394		{
1395		final CompletableFuture<Integer> f = new CompletableFuture<>();
1396	<	final Noop r = new Noop(m);
1397	<	if (!createIncomplete) assertTrue(f.complete(v1));
1273	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1274	<	if (createIncomplete) {
1275	<	checkIncomplete(g);
1276	<	assertTrue(f.complete(v1));
1277	<	}
1396	>	final Noop[] rs = new Noop[6];
1397	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1398
1399	<	checkCompletedNormally(g, null);
1399	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1400	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1401	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1402	>	checkIncomplete(h0);
1403	>	checkIncomplete(h1);
1404	>	checkIncomplete(h2);
1405	>	assertTrue(f.complete(v1));
1406	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1407	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1408	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1409	>
1410	>	checkCompletedNormally(h0, null);
1411	>	checkCompletedNormally(h1, null);
1412	>	checkCompletedNormally(h2, null);
1413	>	checkCompletedNormally(h3, null);
1414	>	checkCompletedNormally(h4, null);
1415	>	checkCompletedNormally(h5, null);
1416		checkCompletedNormally(f, v1);
1417	<	r.assertInvoked();
1417	>	for (Noop r : rs) r.assertInvoked();
1418		}}
1419
1420		/**
#	Line 1287 | Line 1423 | public class CompletableFutureTest exten
1423		*/
1424		public void testThenRun_exceptionalCompletion() {
1425		for (ExecutionMode m : ExecutionMode.values())
1290	–	for (boolean createIncomplete : new boolean[] { true, false })
1426		{
1427		final CFException ex = new CFException();
1428		final CompletableFuture<Integer> f = new CompletableFuture<>();
1429	<	final Noop r = new Noop(m);
1430	<	if (!createIncomplete) f.completeExceptionally(ex);
1296	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1297	<	if (createIncomplete) {
1298	<	checkIncomplete(g);
1299	<	f.completeExceptionally(ex);
1300	<	}
1429	>	final Noop[] rs = new Noop[6];
1430	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1431
1432	<	checkCompletedWithWrappedException(g, ex);
1432	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1433	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1434	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1435	>	checkIncomplete(h0);
1436	>	checkIncomplete(h1);
1437	>	checkIncomplete(h2);
1438	>	assertTrue(f.completeExceptionally(ex));
1439	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1440	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1441	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1442	>
1443	>	checkCompletedWithWrappedException(h0, ex);
1444	>	checkCompletedWithWrappedException(h1, ex);
1445	>	checkCompletedWithWrappedException(h2, ex);
1446	>	checkCompletedWithWrappedException(h3, ex);
1447	>	checkCompletedWithWrappedException(h4, ex);
1448	>	checkCompletedWithWrappedException(h5, ex);
1449		checkCompletedExceptionally(f, ex);
1450	<	r.assertNotInvoked();
1450	>	for (Noop r : rs) r.assertNotInvoked();
1451		}}
1452
1453		/**
#	Line 1309 | Line 1455 | public class CompletableFutureTest exten
1455		*/
1456		public void testThenRun_sourceCancelled() {
1457		for (ExecutionMode m : ExecutionMode.values())
1312	–	for (boolean createIncomplete : new boolean[] { true, false })
1458		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1459		{
1460		final CompletableFuture<Integer> f = new CompletableFuture<>();
1461	<	final Noop r = new Noop(m);
1462	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1318	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1319	<	if (createIncomplete) {
1320	<	checkIncomplete(g);
1321	<	assertTrue(f.cancel(mayInterruptIfRunning));
1322	<	}
1461	>	final Noop[] rs = new Noop[6];
1462	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1463
1464	<	checkCompletedWithWrappedCancellationException(g);
1464	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1465	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1466	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1467	>	checkIncomplete(h0);
1468	>	checkIncomplete(h1);
1469	>	checkIncomplete(h2);
1470	>	assertTrue(f.cancel(mayInterruptIfRunning));
1471	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1472	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1473	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1474	>
1475	>	checkCompletedWithWrappedCancellationException(h0);
1476	>	checkCompletedWithWrappedCancellationException(h1);
1477	>	checkCompletedWithWrappedCancellationException(h2);
1478	>	checkCompletedWithWrappedCancellationException(h3);
1479	>	checkCompletedWithWrappedCancellationException(h4);
1480	>	checkCompletedWithWrappedCancellationException(h5);
1481		checkCancelled(f);
1482	<	r.assertNotInvoked();
1482	>	for (Noop r : rs) r.assertNotInvoked();
1483		}}
1484
1485		/**
#	Line 1331 | Line 1487 | public class CompletableFutureTest exten
1487		*/
1488		public void testThenRun_actionFailed() {
1489		for (ExecutionMode m : ExecutionMode.values())
1334	–	for (boolean createIncomplete : new boolean[] { true, false })
1490		for (Integer v1 : new Integer[] { 1, null })
1491		{
1492		final CompletableFuture<Integer> f = new CompletableFuture<>();
1493	<	final FailingRunnable r = new FailingRunnable(m);
1494	<	if (!createIncomplete) assertTrue(f.complete(v1));
1340	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1341	<	if (createIncomplete) {
1342	<	checkIncomplete(g);
1343	<	assertTrue(f.complete(v1));
1344	<	}
1493	>	final FailingRunnable[] rs = new FailingRunnable[6];
1494	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1495
1496	<	checkCompletedWithWrappedCFException(g);
1496	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1497	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1498	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1499	>	assertTrue(f.complete(v1));
1500	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1501	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1502	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1503	>
1504	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1505	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1506	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1507	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1508	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1509	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1510		checkCompletedNormally(f, v1);
1511		}}
1512
#	Line 1352 | Line 1515 | public class CompletableFutureTest exten
1515		*/
1516		public void testThenApply_normalCompletion() {
1517		for (ExecutionMode m : ExecutionMode.values())
1355	–	for (boolean createIncomplete : new boolean[] { true, false })
1518		for (Integer v1 : new Integer[] { 1, null })
1519		{
1520		final CompletableFuture<Integer> f = new CompletableFuture<>();
1521	<	final IncFunction r = new IncFunction(m);
1522	<	if (!createIncomplete) assertTrue(f.complete(v1));
1361	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1362	<	if (createIncomplete) {
1363	<	checkIncomplete(g);
1364	<	assertTrue(f.complete(v1));
1365	<	}
1521	>	final IncFunction[] rs = new IncFunction[4];
1522	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1523
1524	<	checkCompletedNormally(g, inc(v1));
1524	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1525	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1526	>	checkIncomplete(h0);
1527	>	checkIncomplete(h1);
1528	>	assertTrue(f.complete(v1));
1529	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1530	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1531	>
1532	>	checkCompletedNormally(h0, inc(v1));
1533	>	checkCompletedNormally(h1, inc(v1));
1534	>	checkCompletedNormally(h2, inc(v1));
1535	>	checkCompletedNormally(h3, inc(v1));
1536		checkCompletedNormally(f, v1);
1537	<	r.assertValue(inc(v1));
1537	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1538		}}
1539
1540		/**
#	Line 1375 | Line 1543 | public class CompletableFutureTest exten
1543		*/
1544		public void testThenApply_exceptionalCompletion() {
1545		for (ExecutionMode m : ExecutionMode.values())
1378	–	for (boolean createIncomplete : new boolean[] { true, false })
1546		{
1547		final CFException ex = new CFException();
1548		final CompletableFuture<Integer> f = new CompletableFuture<>();
1549	<	final IncFunction r = new IncFunction(m);
1550	<	if (!createIncomplete) f.completeExceptionally(ex);
1384	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1385	<	if (createIncomplete) {
1386	<	checkIncomplete(g);
1387	<	f.completeExceptionally(ex);
1388	<	}
1549	>	final IncFunction[] rs = new IncFunction[4];
1550	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1551
1552	<	checkCompletedWithWrappedException(g, ex);
1552	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1553	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1554	>	assertTrue(f.completeExceptionally(ex));
1555	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1556	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1557	>
1558	>	checkCompletedWithWrappedException(h0, ex);
1559	>	checkCompletedWithWrappedException(h1, ex);
1560	>	checkCompletedWithWrappedException(h2, ex);
1561	>	checkCompletedWithWrappedException(h3, ex);
1562		checkCompletedExceptionally(f, ex);
1563	<	r.assertNotInvoked();
1563	>	for (IncFunction r : rs) r.assertNotInvoked();
1564		}}
1565
1566		/**
#	Line 1397 | Line 1568 | public class CompletableFutureTest exten
1568		*/
1569		public void testThenApply_sourceCancelled() {
1570		for (ExecutionMode m : ExecutionMode.values())
1400	–	for (boolean createIncomplete : new boolean[] { true, false })
1571		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1572		{
1573		final CompletableFuture<Integer> f = new CompletableFuture<>();
1574	<	final IncFunction r = new IncFunction(m);
1575	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1406	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1407	<	if (createIncomplete) {
1408	<	checkIncomplete(g);
1409	<	assertTrue(f.cancel(mayInterruptIfRunning));
1410	<	}
1574	>	final IncFunction[] rs = new IncFunction[4];
1575	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1576
1577	<	checkCompletedWithWrappedCancellationException(g);
1577	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1578	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1579	>	assertTrue(f.cancel(mayInterruptIfRunning));
1580	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1581	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1582	>
1583	>	checkCompletedWithWrappedCancellationException(h0);
1584	>	checkCompletedWithWrappedCancellationException(h1);
1585	>	checkCompletedWithWrappedCancellationException(h2);
1586	>	checkCompletedWithWrappedCancellationException(h3);
1587		checkCancelled(f);
1588	<	r.assertNotInvoked();
1588	>	for (IncFunction r : rs) r.assertNotInvoked();
1589		}}
1590
1591		/**
#	Line 1419 | Line 1593 | public class CompletableFutureTest exten
1593		*/
1594		public void testThenApply_actionFailed() {
1595		for (ExecutionMode m : ExecutionMode.values())
1422	–	for (boolean createIncomplete : new boolean[] { true, false })
1596		for (Integer v1 : new Integer[] { 1, null })
1597		{
1598		final CompletableFuture<Integer> f = new CompletableFuture<>();
1599	<	final FailingFunction r = new FailingFunction(m);
1600	<	if (!createIncomplete) assertTrue(f.complete(v1));
1601	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1602	<	if (createIncomplete) {
1603	<	checkIncomplete(g);
1604	<	assertTrue(f.complete(v1));
1605	<	}
1599	>	final FailingFunction[] rs = new FailingFunction[4];
1600	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1601	>
1602	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1603	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1604	>	assertTrue(f.complete(v1));
1605	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1606	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1607
1608	<	checkCompletedWithWrappedCFException(g);
1608	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1609	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1610	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1611	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1612		checkCompletedNormally(f, v1);
1613		}}
1614
#	Line 1440 | Line 1617 | public class CompletableFutureTest exten
1617		*/
1618		public void testThenAccept_normalCompletion() {
1619		for (ExecutionMode m : ExecutionMode.values())
1443	–	for (boolean createIncomplete : new boolean[] { true, false })
1620		for (Integer v1 : new Integer[] { 1, null })
1621		{
1622		final CompletableFuture<Integer> f = new CompletableFuture<>();
1623	<	final NoopConsumer r = new NoopConsumer(m);
1624	<	if (!createIncomplete) assertTrue(f.complete(v1));
1449	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1450	<	if (createIncomplete) {
1451	<	checkIncomplete(g);
1452	<	assertTrue(f.complete(v1));
1453	<	}
1623	>	final NoopConsumer[] rs = new NoopConsumer[4];
1624	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1625
1626	<	checkCompletedNormally(g, null);
1627	<	r.assertValue(v1);
1626	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1627	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1628	>	checkIncomplete(h0);
1629	>	checkIncomplete(h1);
1630	>	assertTrue(f.complete(v1));
1631	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1632	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1633	>
1634	>	checkCompletedNormally(h0, null);
1635	>	checkCompletedNormally(h1, null);
1636	>	checkCompletedNormally(h2, null);
1637	>	checkCompletedNormally(h3, null);
1638		checkCompletedNormally(f, v1);
1639	+	for (NoopConsumer r : rs) r.assertValue(v1);
1640		}}
1641
1642		/**
#	Line 1463 | Line 1645 | public class CompletableFutureTest exten
1645		*/
1646		public void testThenAccept_exceptionalCompletion() {
1647		for (ExecutionMode m : ExecutionMode.values())
1466	–	for (boolean createIncomplete : new boolean[] { true, false })
1648		{
1649		final CFException ex = new CFException();
1650		final CompletableFuture<Integer> f = new CompletableFuture<>();
1651	<	final NoopConsumer r = new NoopConsumer(m);
1652	<	if (!createIncomplete) f.completeExceptionally(ex);
1472	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1473	<	if (createIncomplete) {
1474	<	checkIncomplete(g);
1475	<	f.completeExceptionally(ex);
1476	<	}
1651	>	final NoopConsumer[] rs = new NoopConsumer[4];
1652	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1653
1654	<	checkCompletedWithWrappedException(g, ex);
1654	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1655	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1656	>	assertTrue(f.completeExceptionally(ex));
1657	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1658	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1659	>
1660	>	checkCompletedWithWrappedException(h0, ex);
1661	>	checkCompletedWithWrappedException(h1, ex);
1662	>	checkCompletedWithWrappedException(h2, ex);
1663	>	checkCompletedWithWrappedException(h3, ex);
1664		checkCompletedExceptionally(f, ex);
1665	<	r.assertNotInvoked();
1665	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1666		}}
1667
1668		/**
#	Line 1485 | Line 1670 | public class CompletableFutureTest exten
1670		*/
1671		public void testThenAccept_sourceCancelled() {
1672		for (ExecutionMode m : ExecutionMode.values())
1488	–	for (boolean createIncomplete : new boolean[] { true, false })
1673		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1674		{
1675		final CompletableFuture<Integer> f = new CompletableFuture<>();
1676	<	final NoopConsumer r = new NoopConsumer(m);
1677	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1494	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1495	<	if (createIncomplete) {
1496	<	checkIncomplete(g);
1497	<	assertTrue(f.cancel(mayInterruptIfRunning));
1498	<	}
1676	>	final NoopConsumer[] rs = new NoopConsumer[4];
1677	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1678
1679	<	checkCompletedWithWrappedCancellationException(g);
1679	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1680	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1681	>	assertTrue(f.cancel(mayInterruptIfRunning));
1682	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1683	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1684	>
1685	>	checkCompletedWithWrappedCancellationException(h0);
1686	>	checkCompletedWithWrappedCancellationException(h1);
1687	>	checkCompletedWithWrappedCancellationException(h2);
1688	>	checkCompletedWithWrappedCancellationException(h3);
1689		checkCancelled(f);
1690	<	r.assertNotInvoked();
1690	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1691		}}
1692
1693		/**
#	Line 1507 | Line 1695 | public class CompletableFutureTest exten
1695		*/
1696		public void testThenAccept_actionFailed() {
1697		for (ExecutionMode m : ExecutionMode.values())
1510	–	for (boolean createIncomplete : new boolean[] { true, false })
1698		for (Integer v1 : new Integer[] { 1, null })
1699		{
1700		final CompletableFuture<Integer> f = new CompletableFuture<>();
1701	<	final FailingConsumer r = new FailingConsumer(m);
1702	<	if (!createIncomplete) f.complete(v1);
1703	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1704	<	if (createIncomplete) {
1705	<	checkIncomplete(g);
1706	<	f.complete(v1);
1707	<	}
1701	>	final FailingConsumer[] rs = new FailingConsumer[4];
1702	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1703	>
1704	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1705	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1706	>	assertTrue(f.complete(v1));
1707	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1708	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1709
1710	<	checkCompletedWithWrappedCFException(g);
1710	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1711	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1712	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1713	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1714		checkCompletedNormally(f, v1);
1715		}}
1716
#	Line 1535 | Line 1726 | public class CompletableFutureTest exten
1726		{
1727		final CompletableFuture<Integer> f = new CompletableFuture<>();
1728		final CompletableFuture<Integer> g = new CompletableFuture<>();
1729	<	final SubtractFunction r1 = new SubtractFunction(m);
1730	<	final SubtractFunction r2 = new SubtractFunction(m);
1540	<	final SubtractFunction r3 = new SubtractFunction(m);
1729	>	final SubtractFunction[] rs = new SubtractFunction[6];
1730	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1731
1732		final CompletableFuture<Integer> fst =  fFirst ? f : g;
1733		final CompletableFuture<Integer> snd = !fFirst ? f : g;
1734		final Integer w1 =  fFirst ? v1 : v2;
1735		final Integer w2 = !fFirst ? v1 : v2;
1736
1737	<	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1737	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1738	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1739		assertTrue(fst.complete(w1));
1740	<	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1741	<	checkIncomplete(h1);
1742	<	checkIncomplete(h2);
1743	<	r1.assertNotInvoked();
1744	<	r2.assertNotInvoked();
1740	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1741	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1742	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1743	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1744	>	checkCompletedNormally(h1, subtract(w1, w1));
1745	>	checkCompletedNormally(h3, subtract(w1, w1));
1746	>	rs[1].assertValue(subtract(w1, w1));
1747	>	rs[3].assertValue(subtract(w1, w1));
1748		assertTrue(snd.complete(w2));
1749	<	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1749	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1750
1751	<	checkCompletedNormally(h1, subtract(v1, v2));
1751	>	checkCompletedNormally(h0, subtract(v1, v2));
1752		checkCompletedNormally(h2, subtract(v1, v2));
1753	<	checkCompletedNormally(h3, subtract(v1, v2));
1754	<	r1.assertValue(subtract(v1, v2));
1755	<	r2.assertValue(subtract(v1, v2));
1756	<	r3.assertValue(subtract(v1, v2));
1753	>	checkCompletedNormally(h4, subtract(v1, v2));
1754	>	rs[0].assertValue(subtract(v1, v2));
1755	>	rs[2].assertValue(subtract(v1, v2));
1756	>	rs[4].assertValue(subtract(v1, v2));
1757	>
1758		checkCompletedNormally(f, v1);
1759		checkCompletedNormally(g, v2);
1760		}}
#	Line 1677 | Line 1872 | public class CompletableFutureTest exten
1872		assertTrue(snd.complete(w2));
1873		final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1874
1875	<	checkCompletedWithWrappedCFException(h1);
1876	<	checkCompletedWithWrappedCFException(h2);
1877	<	checkCompletedWithWrappedCFException(h3);
1875	>	checkCompletedWithWrappedException(h1, r1.ex);
1876	>	checkCompletedWithWrappedException(h2, r2.ex);
1877	>	checkCompletedWithWrappedException(h3, r3.ex);
1878	>	r1.assertInvoked();
1879	>	r2.assertInvoked();
1880	>	r3.assertInvoked();
1881		checkCompletedNormally(f, v1);
1882		checkCompletedNormally(g, v2);
1883		}}
#	Line 1690 | Line 1888 | public class CompletableFutureTest exten
1888		*/
1889		public void testThenAcceptBoth_normalCompletion() {
1890		for (ExecutionMode m : ExecutionMode.values())
1693	–	for (boolean createIncomplete : new boolean[] { true, false })
1891		for (boolean fFirst : new boolean[] { true, false })
1892		for (Integer v1 : new Integer[] { 1, null })
1893		for (Integer v2 : new Integer[] { 2, null })
1894		{
1895		final CompletableFuture<Integer> f = new CompletableFuture<>();
1896		final CompletableFuture<Integer> g = new CompletableFuture<>();
1897	<	final SubtractAction r = new SubtractAction(m);
1897	>	final SubtractAction r1 = new SubtractAction(m);
1898	>	final SubtractAction r2 = new SubtractAction(m);
1899	>	final SubtractAction r3 = new SubtractAction(m);
1900
1901	<	assertTrue(fFirst ? f.complete(v1) : g.complete(v2));
1902	<	if (!createIncomplete)
1903	<	assertTrue(!fFirst ? f.complete(v1) : g.complete(v2));
1904	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1706	<	if (createIncomplete) {
1707	<	checkIncomplete(h);
1708	<	r.assertNotInvoked();
1709	<	assertTrue(!fFirst ? f.complete(v1) : g.complete(v2));
1710	<	}
1901	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1902	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1903	>	final Integer w1 =  fFirst ? v1 : v2;
1904	>	final Integer w2 = !fFirst ? v1 : v2;
1905
1906	<	checkCompletedNormally(h, null);
1907	<	r.assertValue(subtract(v1, v2));
1906	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1907	>	assertTrue(fst.complete(w1));
1908	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1909	>	checkIncomplete(h1);
1910	>	checkIncomplete(h2);
1911	>	r1.assertNotInvoked();
1912	>	r2.assertNotInvoked();
1913	>	assertTrue(snd.complete(w2));
1914	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1915	>
1916	>	checkCompletedNormally(h1, null);
1917	>	checkCompletedNormally(h2, null);
1918	>	checkCompletedNormally(h3, null);
1919	>	r1.assertValue(subtract(v1, v2));
1920	>	r2.assertValue(subtract(v1, v2));
1921	>	r3.assertValue(subtract(v1, v2));
1922		checkCompletedNormally(f, v1);
1923		checkCompletedNormally(g, v2);
1924		}}
#	Line 1719 | Line 1927 | public class CompletableFutureTest exten
1927		* thenAcceptBoth result completes exceptionally after exceptional
1928		* completion of either source
1929		*/
1930	<	public void testThenAcceptBoth_exceptionalCompletion() {
1930	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1931		for (ExecutionMode m : ExecutionMode.values())
1724	–	for (boolean createIncomplete : new boolean[] { true, false })
1932		for (boolean fFirst : new boolean[] { true, false })
1933	+	for (boolean failFirst : new boolean[] { true, false })
1934		for (Integer v1 : new Integer[] { 1, null })
1935		{
1936		final CompletableFuture<Integer> f = new CompletableFuture<>();
1937		final CompletableFuture<Integer> g = new CompletableFuture<>();
1938		final CFException ex = new CFException();
1939	<	final SubtractAction r = new SubtractAction(m);
1939	>	final SubtractAction r1 = new SubtractAction(m);
1940	>	final SubtractAction r2 = new SubtractAction(m);
1941	>	final SubtractAction r3 = new SubtractAction(m);
1942
1943	<	assertTrue((fFirst ? f : g).complete(v1));
1944	<	if (!createIncomplete)
1945	<	assertTrue((!fFirst ? f : g).completeExceptionally(ex));
1946	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1947	<	if (createIncomplete) {
1948	<	checkIncomplete(h);
1949	<	assertTrue((!fFirst ? f : g).completeExceptionally(ex));
1950	<	}
1943	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1944	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1945	>	final Callable<Boolean> complete1 = failFirst ?
1946	>	() -> fst.completeExceptionally(ex) :
1947	>	() -> fst.complete(v1);
1948	>	final Callable<Boolean> complete2 = failFirst ?
1949	>	() -> snd.complete(v1) :
1950	>	() -> snd.completeExceptionally(ex);
1951
1952	<	checkCompletedWithWrappedException(h, ex);
1953	<	r.assertNotInvoked();
1954	<	checkCompletedNormally(fFirst ? f : g, v1);
1955	<	checkCompletedExceptionally(!fFirst ? f : g, ex);
1952	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1953	>	assertTrue(complete1.call());
1954	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1955	>	checkIncomplete(h1);
1956	>	checkIncomplete(h2);
1957	>	assertTrue(complete2.call());
1958	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1959	>
1960	>	checkCompletedWithWrappedException(h1, ex);
1961	>	checkCompletedWithWrappedException(h2, ex);
1962	>	checkCompletedWithWrappedException(h3, ex);
1963	>	r1.assertNotInvoked();
1964	>	r2.assertNotInvoked();
1965	>	r3.assertNotInvoked();
1966	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1967	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1968		}}
1969
1970		/**
1971		* thenAcceptBoth result completes exceptionally if either source cancelled
1972		*/
1973	<	public void testThenAcceptBoth_sourceCancelled() {
1973	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1974		for (ExecutionMode m : ExecutionMode.values())
1975		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1754	–	for (boolean createIncomplete : new boolean[] { true, false })
1976		for (boolean fFirst : new boolean[] { true, false })
1977	+	for (boolean failFirst : new boolean[] { true, false })
1978		for (Integer v1 : new Integer[] { 1, null })
1979		{
1980		final CompletableFuture<Integer> f = new CompletableFuture<>();
1981		final CompletableFuture<Integer> g = new CompletableFuture<>();
1982	<	final SubtractAction r = new SubtractAction(m);
1982	>	final SubtractAction r1 = new SubtractAction(m);
1983	>	final SubtractAction r2 = new SubtractAction(m);
1984	>	final SubtractAction r3 = new SubtractAction(m);
1985
1986	<	assertTrue((fFirst ? f : g).complete(v1));
1987	<	if (!createIncomplete)
1988	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1989	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1990	<	if (createIncomplete) {
1991	<	checkIncomplete(h);
1992	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1993	<	}
1986	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1987	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1988	>	final Callable<Boolean> complete1 = failFirst ?
1989	>	() -> fst.cancel(mayInterruptIfRunning) :
1990	>	() -> fst.complete(v1);
1991	>	final Callable<Boolean> complete2 = failFirst ?
1992	>	() -> snd.complete(v1) :
1993	>	() -> snd.cancel(mayInterruptIfRunning);
1994
1995	<	checkCompletedWithWrappedCancellationException(h);
1996	<	checkCancelled(!fFirst ? f : g);
1997	<	r.assertNotInvoked();
1998	<	checkCompletedNormally(fFirst ? f : g, v1);
1995	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1996	>	assertTrue(complete1.call());
1997	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1998	>	checkIncomplete(h1);
1999	>	checkIncomplete(h2);
2000	>	assertTrue(complete2.call());
2001	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2002	>
2003	>	checkCompletedWithWrappedCancellationException(h1);
2004	>	checkCompletedWithWrappedCancellationException(h2);
2005	>	checkCompletedWithWrappedCancellationException(h3);
2006	>	r1.assertNotInvoked();
2007	>	r2.assertNotInvoked();
2008	>	r3.assertNotInvoked();
2009	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2010	>	checkCancelled(failFirst ? fst : snd);
2011		}}
2012
2013		/**
#	Line 1785 | Line 2021 | public class CompletableFutureTest exten
2021		{
2022		final CompletableFuture<Integer> f = new CompletableFuture<>();
2023		final CompletableFuture<Integer> g = new CompletableFuture<>();
2024	<	final FailingBiConsumer r = new FailingBiConsumer(m);
2025	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
2024	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
2025	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
2026	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
2027	>
2028	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2029	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2030	>	final Integer w1 =  fFirst ? v1 : v2;
2031	>	final Integer w2 = !fFirst ? v1 : v2;
2032
2033	<	assertTrue(fFirst ? f.complete(v1) : g.complete(v2));
2034	<	assertTrue(!fFirst ? f.complete(v1) : g.complete(v2));
2033	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
2034	>	assertTrue(fst.complete(w1));
2035	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
2036	>	assertTrue(snd.complete(w2));
2037	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2038
2039	<	checkCompletedWithWrappedCFException(h);
2039	>	checkCompletedWithWrappedException(h1, r1.ex);
2040	>	checkCompletedWithWrappedException(h2, r2.ex);
2041	>	checkCompletedWithWrappedException(h3, r3.ex);
2042	>	r1.assertInvoked();
2043	>	r2.assertInvoked();
2044	>	r3.assertInvoked();
2045		checkCompletedNormally(f, v1);
2046		checkCompletedNormally(g, v2);
2047		}}
#	Line 1802 | Line 2052 | public class CompletableFutureTest exten
2052		*/
2053		public void testRunAfterBoth_normalCompletion() {
2054		for (ExecutionMode m : ExecutionMode.values())
1805	–	for (boolean createIncomplete : new boolean[] { true, false })
2055		for (boolean fFirst : new boolean[] { true, false })
2056		for (Integer v1 : new Integer[] { 1, null })
2057		for (Integer v2 : new Integer[] { 2, null })
2058		{
2059		final CompletableFuture<Integer> f = new CompletableFuture<>();
2060		final CompletableFuture<Integer> g = new CompletableFuture<>();
2061	<	final Noop r = new Noop(m);
2061	>	final Noop r1 = new Noop(m);
2062	>	final Noop r2 = new Noop(m);
2063	>	final Noop r3 = new Noop(m);
2064
2065	<	assertTrue(fFirst ? f.complete(v1) : g.complete(v2));
2066	<	if (!createIncomplete)
2067	<	assertTrue(!fFirst ? f.complete(v1) : g.complete(v2));
2068	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1818	<	if (createIncomplete) {
1819	<	checkIncomplete(h);
1820	<	r.assertNotInvoked();
1821	<	assertTrue(!fFirst ? f.complete(v1) : g.complete(v2));
1822	<	}
2065	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2066	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2067	>	final Integer w1 =  fFirst ? v1 : v2;
2068	>	final Integer w2 = !fFirst ? v1 : v2;
2069
2070	<	checkCompletedNormally(h, null);
2071	<	r.assertInvoked();
2070	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2071	>	assertTrue(fst.complete(w1));
2072	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2073	>	checkIncomplete(h1);
2074	>	checkIncomplete(h2);
2075	>	r1.assertNotInvoked();
2076	>	r2.assertNotInvoked();
2077	>	assertTrue(snd.complete(w2));
2078	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2079	>
2080	>	checkCompletedNormally(h1, null);
2081	>	checkCompletedNormally(h2, null);
2082	>	checkCompletedNormally(h3, null);
2083	>	r1.assertInvoked();
2084	>	r2.assertInvoked();
2085	>	r3.assertInvoked();
2086		checkCompletedNormally(f, v1);
2087		checkCompletedNormally(g, v2);
2088		}}
#	Line 1831 | Line 2091 | public class CompletableFutureTest exten
2091		* runAfterBoth result completes exceptionally after exceptional
2092		* completion of either source
2093		*/
2094	<	public void testRunAfterBoth_exceptionalCompletion() {
2094	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2095		for (ExecutionMode m : ExecutionMode.values())
1836	–	for (boolean createIncomplete : new boolean[] { true, false })
2096		for (boolean fFirst : new boolean[] { true, false })
2097	+	for (boolean failFirst : new boolean[] { true, false })
2098		for (Integer v1 : new Integer[] { 1, null })
2099		{
2100		final CompletableFuture<Integer> f = new CompletableFuture<>();
2101		final CompletableFuture<Integer> g = new CompletableFuture<>();
2102		final CFException ex = new CFException();
2103	<	final Noop r = new Noop(m);
2103	>	final Noop r1 = new Noop(m);
2104	>	final Noop r2 = new Noop(m);
2105	>	final Noop r3 = new Noop(m);
2106
2107	<	assertTrue((fFirst ? f : g).complete(v1));
2108	<	if (!createIncomplete)
2109	<	assertTrue((!fFirst ? f : g).completeExceptionally(ex));
2110	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2111	<	if (createIncomplete) {
2112	<	checkIncomplete(h);
2113	<	assertTrue((!fFirst ? f : g).completeExceptionally(ex));
2114	<	}
2107	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2108	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2109	>	final Callable<Boolean> complete1 = failFirst ?
2110	>	() -> fst.completeExceptionally(ex) :
2111	>	() -> fst.complete(v1);
2112	>	final Callable<Boolean> complete2 = failFirst ?
2113	>	() -> snd.complete(v1) :
2114	>	() -> snd.completeExceptionally(ex);
2115
2116	<	checkCompletedWithWrappedException(h, ex);
2117	<	r.assertNotInvoked();
2118	<	checkCompletedNormally(fFirst ? f : g, v1);
2119	<	checkCompletedExceptionally(!fFirst ? f : g, ex);
2116	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2117	>	assertTrue(complete1.call());
2118	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2119	>	checkIncomplete(h1);
2120	>	checkIncomplete(h2);
2121	>	assertTrue(complete2.call());
2122	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2123	>
2124	>	checkCompletedWithWrappedException(h1, ex);
2125	>	checkCompletedWithWrappedException(h2, ex);
2126	>	checkCompletedWithWrappedException(h3, ex);
2127	>	r1.assertNotInvoked();
2128	>	r2.assertNotInvoked();
2129	>	r3.assertNotInvoked();
2130	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2131	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2132		}}
2133
2134		/**
2135		* runAfterBoth result completes exceptionally if either source cancelled
2136		*/
2137	<	public void testRunAfterBoth_sourceCancelled() {
2137	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2138		for (ExecutionMode m : ExecutionMode.values())
2139		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1866	–	for (boolean createIncomplete : new boolean[] { true, false })
2140		for (boolean fFirst : new boolean[] { true, false })
2141	+	for (boolean failFirst : new boolean[] { true, false })
2142		for (Integer v1 : new Integer[] { 1, null })
2143		{
2144		final CompletableFuture<Integer> f = new CompletableFuture<>();
2145		final CompletableFuture<Integer> g = new CompletableFuture<>();
2146	<	final Noop r = new Noop(m);
2146	>	final Noop r1 = new Noop(m);
2147	>	final Noop r2 = new Noop(m);
2148	>	final Noop r3 = new Noop(m);
2149
2150	<	assertTrue((fFirst ? f : g).complete(v1));
2151	<	if (!createIncomplete)
2152	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2153	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2154	<	if (createIncomplete) {
2155	<	checkIncomplete(h);
2156	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2157	<	}
2150	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2151	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2152	>	final Callable<Boolean> complete1 = failFirst ?
2153	>	() -> fst.cancel(mayInterruptIfRunning) :
2154	>	() -> fst.complete(v1);
2155	>	final Callable<Boolean> complete2 = failFirst ?
2156	>	() -> snd.complete(v1) :
2157	>	() -> snd.cancel(mayInterruptIfRunning);
2158
2159	<	checkCompletedWithWrappedCancellationException(h);
2160	<	checkCancelled(!fFirst ? f : g);
2161	<	r.assertNotInvoked();
2162	<	checkCompletedNormally(fFirst ? f : g, v1);
2159	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2160	>	assertTrue(complete1.call());
2161	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2162	>	checkIncomplete(h1);
2163	>	checkIncomplete(h2);
2164	>	assertTrue(complete2.call());
2165	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2166	>
2167	>	checkCompletedWithWrappedCancellationException(h1);
2168	>	checkCompletedWithWrappedCancellationException(h2);
2169	>	checkCompletedWithWrappedCancellationException(h3);
2170	>	r1.assertNotInvoked();
2171	>	r2.assertNotInvoked();
2172	>	r3.assertNotInvoked();
2173	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2174	>	checkCancelled(failFirst ? fst : snd);
2175		}}
2176
2177		/**
#	Line 1899 | Line 2187 | public class CompletableFutureTest exten
2187		final CompletableFuture<Integer> g = new CompletableFuture<>();
2188		final FailingRunnable r1 = new FailingRunnable(m);
2189		final FailingRunnable r2 = new FailingRunnable(m);
2190	+	final FailingRunnable r3 = new FailingRunnable(m);
2191
2192	<	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2193	<	assertTrue(fFirst ? f.complete(v1) : g.complete(v2));
2194	<	assertTrue(!fFirst ? f.complete(v1) : g.complete(v2));
2195	<	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2192	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2193	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2194	>	final Integer w1 =  fFirst ? v1 : v2;
2195	>	final Integer w2 = !fFirst ? v1 : v2;
2196
2197	<	checkCompletedWithWrappedCFException(h1);
2198	<	checkCompletedWithWrappedCFException(h2);
2197	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2198	>	assertTrue(fst.complete(w1));
2199	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2200	>	assertTrue(snd.complete(w2));
2201	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2202	>
2203	>	checkCompletedWithWrappedException(h1, r1.ex);
2204	>	checkCompletedWithWrappedException(h2, r2.ex);
2205	>	checkCompletedWithWrappedException(h3, r3.ex);
2206	>	r1.assertInvoked();
2207	>	r2.assertInvoked();
2208	>	r3.assertInvoked();
2209		checkCompletedNormally(f, v1);
2210		checkCompletedNormally(g, v2);
2211		}}
#	Line 2193 | Line 2492 | public class CompletableFutureTest exten
2492		f.complete(v1);
2493		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2494		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2495	<	checkCompletedWithWrappedCFException(h0);
2496	<	checkCompletedWithWrappedCFException(h1);
2497	<	checkCompletedWithWrappedCFException(h2);
2498	<	checkCompletedWithWrappedCFException(h3);
2495	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2496	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2497	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2498	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2499		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2500
2501		g.complete(v2);
#	Line 2205 | Line 2504 | public class CompletableFutureTest exten
2504		final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2505		final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2506
2507	<	checkCompletedWithWrappedCFException(h4);
2507	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2508		assertTrue(Objects.equals(v1, rs[4].value) ||
2509		Objects.equals(v2, rs[4].value));
2510	<	checkCompletedWithWrappedCFException(h5);
2510	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2511		assertTrue(Objects.equals(v1, rs[5].value) ||
2512		Objects.equals(v2, rs[5].value));
2513
#	Line 2346 | Line 2645 | public class CompletableFutureTest exten
2645
2646		// unspecified behavior - both source completions available
2647		try {
2648	<	assertEquals(null, h0.join());
2648	>	assertNull(h0.join());
2649		rs[0].assertValue(v1);
2650		} catch (CompletionException ok) {
2651		checkCompletedWithWrappedException(h0, ex);
2652		rs[0].assertNotInvoked();
2653		}
2654		try {
2655	<	assertEquals(null, h1.join());
2655	>	assertNull(h1.join());
2656		rs[1].assertValue(v1);
2657		} catch (CompletionException ok) {
2658		checkCompletedWithWrappedException(h1, ex);
2659		rs[1].assertNotInvoked();
2660		}
2661		try {
2662	<	assertEquals(null, h2.join());
2662	>	assertNull(h2.join());
2663		rs[2].assertValue(v1);
2664		} catch (CompletionException ok) {
2665		checkCompletedWithWrappedException(h2, ex);
2666		rs[2].assertNotInvoked();
2667		}
2668		try {
2669	<	assertEquals(null, h3.join());
2669	>	assertNull(h3.join());
2670		rs[3].assertValue(v1);
2671		} catch (CompletionException ok) {
2672		checkCompletedWithWrappedException(h3, ex);
#	Line 2452 | Line 2751 | public class CompletableFutureTest exten
2751		f.complete(v1);
2752		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2753		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2754	<	checkCompletedWithWrappedCFException(h0);
2755	<	checkCompletedWithWrappedCFException(h1);
2756	<	checkCompletedWithWrappedCFException(h2);
2757	<	checkCompletedWithWrappedCFException(h3);
2754	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2755	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2756	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2757	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2758		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2759
2760		g.complete(v2);
#	Line 2464 | Line 2763 | public class CompletableFutureTest exten
2763		final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2764		final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2765
2766	<	checkCompletedWithWrappedCFException(h4);
2766	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2767		assertTrue(Objects.equals(v1, rs[4].value) ||
2768		Objects.equals(v2, rs[4].value));
2769	<	checkCompletedWithWrappedCFException(h5);
2769	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2770		assertTrue(Objects.equals(v1, rs[5].value) ||
2771		Objects.equals(v2, rs[5].value));
2772
#	Line 2483 | Line 2782 | public class CompletableFutureTest exten
2782		for (ExecutionMode m : ExecutionMode.values())
2783		for (Integer v1 : new Integer[] { 1, null })
2784		for (Integer v2 : new Integer[] { 2, null })
2785	+	for (boolean pushNop : new boolean[] { true, false })
2786		{
2787		final CompletableFuture<Integer> f = new CompletableFuture<>();
2788		final CompletableFuture<Integer> g = new CompletableFuture<>();
#	Line 2495 | Line 2795 | public class CompletableFutureTest exten
2795		checkIncomplete(h1);
2796		rs[0].assertNotInvoked();
2797		rs[1].assertNotInvoked();
2798	+	if (pushNop) {          // ad hoc test of intra-completion interference
2799	+	m.thenRun(f, () -> {});
2800	+	m.thenRun(g, () -> {});
2801	+	}
2802		f.complete(v1);
2803		checkCompletedNormally(h0, null);
2804		checkCompletedNormally(h1, null);
#	Line 2601 | Line 2905 | public class CompletableFutureTest exten
2905
2906		// unspecified behavior - both source completions available
2907		try {
2908	<	assertEquals(null, h0.join());
2908	>	assertNull(h0.join());
2909		rs[0].assertInvoked();
2910		} catch (CompletionException ok) {
2911		checkCompletedWithWrappedException(h0, ex);
2912		rs[0].assertNotInvoked();
2913		}
2914		try {
2915	<	assertEquals(null, h1.join());
2915	>	assertNull(h1.join());
2916		rs[1].assertInvoked();
2917		} catch (CompletionException ok) {
2918		checkCompletedWithWrappedException(h1, ex);
2919		rs[1].assertNotInvoked();
2920		}
2921		try {
2922	<	assertEquals(null, h2.join());
2922	>	assertNull(h2.join());
2923		rs[2].assertInvoked();
2924		} catch (CompletionException ok) {
2925		checkCompletedWithWrappedException(h2, ex);
2926		rs[2].assertNotInvoked();
2927		}
2928		try {
2929	<	assertEquals(null, h3.join());
2929	>	assertNull(h3.join());
2930		rs[3].assertInvoked();
2931		} catch (CompletionException ok) {
2932		checkCompletedWithWrappedException(h3, ex);
#	Line 2707 | Line 3011 | public class CompletableFutureTest exten
3011		assertTrue(f.complete(v1));
3012		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
3013		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
3014	<	checkCompletedWithWrappedCFException(h0);
3015	<	checkCompletedWithWrappedCFException(h1);
3016	<	checkCompletedWithWrappedCFException(h2);
3017	<	checkCompletedWithWrappedCFException(h3);
3014	>	checkCompletedWithWrappedException(h0, rs[0].ex);
3015	>	checkCompletedWithWrappedException(h1, rs[1].ex);
3016	>	checkCompletedWithWrappedException(h2, rs[2].ex);
3017	>	checkCompletedWithWrappedException(h3, rs[3].ex);
3018		for (int i = 0; i < 4; i++) rs[i].assertInvoked();
3019		assertTrue(g.complete(v2));
3020		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
3021		final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
3022	<	checkCompletedWithWrappedCFException(h4);
3023	<	checkCompletedWithWrappedCFException(h5);
3022	>	checkCompletedWithWrappedException(h4, rs[4].ex);
3023	>	checkCompletedWithWrappedException(h5, rs[5].ex);
3024
3025		checkCompletedNormally(f, v1);
3026		checkCompletedNormally(g, v2);
#	Line 2777 | Line 3081 | public class CompletableFutureTest exten
3081		final CompletableFuture<Integer> g = m.thenCompose(f, r);
3082		if (createIncomplete) assertTrue(f.complete(v1));
3083
3084	<	checkCompletedWithWrappedCFException(g);
3084	>	checkCompletedWithWrappedException(g, r.ex);
3085		checkCompletedNormally(f, v1);
3086		}}
3087
#	Line 2802 | Line 3106 | public class CompletableFutureTest exten
3106		checkCancelled(f);
3107		}}
3108
3109	+	/**
3110	+	* thenCompose result completes exceptionally if the result of the action does
3111	+	*/
3112	+	public void testThenCompose_actionReturnsFailingFuture() {
3113	+	for (ExecutionMode m : ExecutionMode.values())
3114	+	for (int order = 0; order < 6; order++)
3115	+	for (Integer v1 : new Integer[] { 1, null })
3116	+	{
3117	+	final CFException ex = new CFException();
3118	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3119	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
3120	+	final CompletableFuture<Integer> h;
3121	+	// Test all permutations of orders
3122	+	switch (order) {
3123	+	case 0:
3124	+	assertTrue(f.complete(v1));
3125	+	assertTrue(g.completeExceptionally(ex));
3126	+	h = m.thenCompose(f, (x -> g));
3127	+	break;
3128	+	case 1:
3129	+	assertTrue(f.complete(v1));
3130	+	h = m.thenCompose(f, (x -> g));
3131	+	assertTrue(g.completeExceptionally(ex));
3132	+	break;
3133	+	case 2:
3134	+	assertTrue(g.completeExceptionally(ex));
3135	+	assertTrue(f.complete(v1));
3136	+	h = m.thenCompose(f, (x -> g));
3137	+	break;
3138	+	case 3:
3139	+	assertTrue(g.completeExceptionally(ex));
3140	+	h = m.thenCompose(f, (x -> g));
3141	+	assertTrue(f.complete(v1));
3142	+	break;
3143	+	case 4:
3144	+	h = m.thenCompose(f, (x -> g));
3145	+	assertTrue(f.complete(v1));
3146	+	assertTrue(g.completeExceptionally(ex));
3147	+	break;
3148	+	case 5:
3149	+	h = m.thenCompose(f, (x -> g));
3150	+	assertTrue(f.complete(v1));
3151	+	assertTrue(g.completeExceptionally(ex));
3152	+	break;
3153	+	default: throw new AssertionError();
3154	+	}
3155	+
3156	+	checkCompletedExceptionally(g, ex);
3157	+	checkCompletedWithWrappedException(h, ex);
3158	+	checkCompletedNormally(f, v1);
3159	+	}}
3160	+
3161	+	/**
3162	+	* exceptionallyCompose result completes normally after normal
3163	+	* completion of source
3164	+	*/
3165	+	public void testExceptionallyCompose_normalCompletion() {
3166	+	for (ExecutionMode m : ExecutionMode.values())
3167	+	for (boolean createIncomplete : new boolean[] { true, false })
3168	+	for (Integer v1 : new Integer[] { 1, null })
3169	+	{
3170	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3171	+	final ExceptionalCompletableFutureFunction r =
3172	+	new ExceptionalCompletableFutureFunction(m);
3173	+	if (!createIncomplete) assertTrue(f.complete(v1));
3174	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3175	+	if (createIncomplete) assertTrue(f.complete(v1));
3176	+
3177	+	checkCompletedNormally(f, v1);
3178	+	checkCompletedNormally(g, v1);
3179	+	r.assertNotInvoked();
3180	+	}}
3181	+
3182	+	/**
3183	+	* exceptionallyCompose result completes normally after exceptional
3184	+	* completion of source
3185	+	*/
3186	+	public void testExceptionallyCompose_exceptionalCompletion() {
3187	+	for (ExecutionMode m : ExecutionMode.values())
3188	+	for (boolean createIncomplete : new boolean[] { true, false })
3189	+	{
3190	+	final CFException ex = new CFException();
3191	+	final ExceptionalCompletableFutureFunction r =
3192	+	new ExceptionalCompletableFutureFunction(m);
3193	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3194	+	if (!createIncomplete) f.completeExceptionally(ex);
3195	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3196	+	if (createIncomplete) f.completeExceptionally(ex);
3197	+
3198	+	checkCompletedExceptionally(f, ex);
3199	+	checkCompletedNormally(g, r.value);
3200	+	r.assertInvoked();
3201	+	}}
3202	+
3203	+	/**
3204	+	* exceptionallyCompose completes exceptionally on exception if action does
3205	+	*/
3206	+	public void testExceptionallyCompose_actionFailed() {
3207	+	for (ExecutionMode m : ExecutionMode.values())
3208	+	for (boolean createIncomplete : new boolean[] { true, false })
3209	+	for (Integer v1 : new Integer[] { 1, null })
3210	+	{
3211	+	final CFException ex = new CFException();
3212	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3213	+	final FailingExceptionalCompletableFutureFunction r
3214	+	= new FailingExceptionalCompletableFutureFunction(m);
3215	+	if (!createIncomplete) f.completeExceptionally(ex);
3216	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3217	+	if (createIncomplete) f.completeExceptionally(ex);
3218	+
3219	+	checkCompletedExceptionally(f, ex);
3220	+	checkCompletedWithWrappedException(g, r.ex);
3221	+	r.assertInvoked();
3222	+	}}
3223	+
3224	+
3225		// other static methods
3226
3227		/**
#	Line 2818 | Line 3238 | public class CompletableFutureTest exten
3238		* when all components complete normally
3239		*/
3240		public void testAllOf_normal() throws Exception {
3241	<	for (int k = 1; k < 20; ++k) {
3241	>	for (int k = 1; k < 10; k++) {
3242		CompletableFuture<Integer>[] fs
3243		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3244	<	for (int i = 0; i < k; ++i)
3244	>	for (int i = 0; i < k; i++)
3245		fs[i] = new CompletableFuture<>();
3246		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3247	<	for (int i = 0; i < k; ++i) {
3247	>	for (int i = 0; i < k; i++) {
3248		checkIncomplete(f);
3249		checkIncomplete(CompletableFuture.allOf(fs));
3250		fs[i].complete(one);
#	Line 2834 | Line 3254 | public class CompletableFutureTest exten
3254		}
3255		}
3256
3257	<	public void testAllOf_backwards() throws Exception {
3258	<	for (int k = 1; k < 20; ++k) {
3257	>	public void testAllOf_normal_backwards() throws Exception {
3258	>	for (int k = 1; k < 10; k++) {
3259		CompletableFuture<Integer>[] fs
3260		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3261	<	for (int i = 0; i < k; ++i)
3261	>	for (int i = 0; i < k; i++)
3262		fs[i] = new CompletableFuture<>();
3263		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3264		for (int i = k - 1; i >= 0; i--) {
#	Line 2851 | Line 3271 | public class CompletableFutureTest exten
3271		}
3272		}
3273
3274	+	public void testAllOf_exceptional() throws Exception {
3275	+	for (int k = 1; k < 10; k++) {
3276	+	CompletableFuture<Integer>[] fs
3277	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3278	+	CFException ex = new CFException();
3279	+	for (int i = 0; i < k; i++)
3280	+	fs[i] = new CompletableFuture<>();
3281	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3282	+	for (int i = 0; i < k; i++) {
3283	+	checkIncomplete(f);
3284	+	checkIncomplete(CompletableFuture.allOf(fs));
3285	+	if (i != k / 2) {
3286	+	fs[i].complete(i);
3287	+	checkCompletedNormally(fs[i], i);
3288	+	} else {
3289	+	fs[i].completeExceptionally(ex);
3290	+	checkCompletedExceptionally(fs[i], ex);
3291	+	}
3292	+	}
3293	+	checkCompletedWithWrappedException(f, ex);
3294	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3295	+	}
3296	+	}
3297	+
3298		/**
3299		* anyOf(no component futures) returns an incomplete future
3300		*/
3301		public void testAnyOf_empty() throws Exception {
3302	+	for (Integer v1 : new Integer[] { 1, null })
3303	+	{
3304		CompletableFuture<Object> f = CompletableFuture.anyOf();
3305		checkIncomplete(f);
3306	<	}
3306	>
3307	>	f.complete(v1);
3308	>	checkCompletedNormally(f, v1);
3309	>	}}
3310
3311		/**
3312		* anyOf returns a future completed normally with a value when
3313		* a component future does
3314		*/
3315		public void testAnyOf_normal() throws Exception {
3316	<	for (int k = 0; k < 10; ++k) {
3316	>	for (int k = 0; k < 10; k++) {
3317		CompletableFuture[] fs = new CompletableFuture[k];
3318	<	for (int i = 0; i < k; ++i)
3318	>	for (int i = 0; i < k; i++)
3319		fs[i] = new CompletableFuture<>();
3320		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3321		checkIncomplete(f);
3322	<	for (int i = 0; i < k; ++i) {
3323	<	fs[i].complete(one);
3324	<	checkCompletedNormally(f, one);
3325	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3322	>	for (int i = 0; i < k; i++) {
3323	>	fs[i].complete(i);
3324	>	checkCompletedNormally(f, 0);
3325	>	int x = (int) CompletableFuture.anyOf(fs).join();
3326	>	assertTrue(0 <= x && x <= i);
3327	>	}
3328	>	}
3329	>	}
3330	>	public void testAnyOf_normal_backwards() throws Exception {
3331	>	for (int k = 0; k < 10; k++) {
3332	>	CompletableFuture[] fs = new CompletableFuture[k];
3333	>	for (int i = 0; i < k; i++)
3334	>	fs[i] = new CompletableFuture<>();
3335	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3336	>	checkIncomplete(f);
3337	>	for (int i = k - 1; i >= 0; i--) {
3338	>	fs[i].complete(i);
3339	>	checkCompletedNormally(f, k - 1);
3340	>	int x = (int) CompletableFuture.anyOf(fs).join();
3341	>	assertTrue(i <= x && x <= k - 1);
3342		}
3343		}
3344		}
#	Line 2882 | Line 3347 | public class CompletableFutureTest exten
3347		* anyOf result completes exceptionally when any component does.
3348		*/
3349		public void testAnyOf_exceptional() throws Exception {
3350	<	for (int k = 0; k < 10; ++k) {
3350	>	for (int k = 0; k < 10; k++) {
3351		CompletableFuture[] fs = new CompletableFuture[k];
3352	<	for (int i = 0; i < k; ++i)
3352	>	CFException[] exs = new CFException[k];
3353	>	for (int i = 0; i < k; i++) {
3354		fs[i] = new CompletableFuture<>();
3355	+	exs[i] = new CFException();
3356	+	}
3357		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3358		checkIncomplete(f);
3359	<	for (int i = 0; i < k; ++i) {
3360	<	fs[i].completeExceptionally(new CFException());
3361	<	checkCompletedWithWrappedCFException(f);
3359	>	for (int i = 0; i < k; i++) {
3360	>	fs[i].completeExceptionally(exs[i]);
3361	>	checkCompletedWithWrappedException(f, exs[0]);
3362	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3363	>	}
3364	>	}
3365	>	}
3366	>
3367	>	public void testAnyOf_exceptional_backwards() throws Exception {
3368	>	for (int k = 0; k < 10; k++) {
3369	>	CompletableFuture[] fs = new CompletableFuture[k];
3370	>	CFException[] exs = new CFException[k];
3371	>	for (int i = 0; i < k; i++) {
3372	>	fs[i] = new CompletableFuture<>();
3373	>	exs[i] = new CFException();
3374	>	}
3375	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3376	>	checkIncomplete(f);
3377	>	for (int i = k - 1; i >= 0; i--) {
3378	>	fs[i].completeExceptionally(exs[i]);
3379	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3380		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3381		}
3382		}
#	Line 2899 | Line 3385 | public class CompletableFutureTest exten
3385		/**
3386		* Completion methods throw NullPointerException with null arguments
3387		*/
3388	+	@SuppressWarnings("FutureReturnValueIgnored")
3389		public void testNPE() {
3390		CompletableFuture<Integer> f = new CompletableFuture<>();
3391		CompletableFuture<Integer> g = new CompletableFuture<>();
3392		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2906	–	CompletableFuture<?> h;
3393		ThreadExecutor exec = new ThreadExecutor();
3394
3395		Runnable[] throwingActions = {
3396		() -> CompletableFuture.supplyAsync(null),
3397		() -> CompletableFuture.supplyAsync(null, exec),
3398	<	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
3398	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3399
3400		() -> CompletableFuture.runAsync(null),
3401		() -> CompletableFuture.runAsync(null, exec),
#	Line 2919 | Line 3405 | public class CompletableFutureTest exten
3405
3406		() -> f.thenApply(null),
3407		() -> f.thenApplyAsync(null),
3408	<	() -> f.thenApplyAsync((x) -> x, null),
3408	>	() -> f.thenApplyAsync(x -> x, null),
3409		() -> f.thenApplyAsync(null, exec),
3410
3411		() -> f.thenAccept(null),
3412		() -> f.thenAcceptAsync(null),
3413	<	() -> f.thenAcceptAsync((x) -> {} , null),
3413	>	() -> f.thenAcceptAsync(x -> {} , null),
3414		() -> f.thenAcceptAsync(null, exec),
3415
3416		() -> f.thenRun(null),
#	Line 2959 | Line 3445 | public class CompletableFutureTest exten
3445		() -> f.applyToEither(g, null),
3446		() -> f.applyToEitherAsync(g, null),
3447		() -> f.applyToEitherAsync(g, null, exec),
3448	<	() -> f.applyToEither(nullFuture, (x) -> x),
3449	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3450	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3451	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3448	>	() -> f.applyToEither(nullFuture, x -> x),
3449	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3450	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3451	>	() -> f.applyToEitherAsync(g, x -> x, null),
3452
3453		() -> f.acceptEither(g, null),
3454		() -> f.acceptEitherAsync(g, null),
3455		() -> f.acceptEitherAsync(g, null, exec),
3456	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3457	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3458	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3459	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3456	>	() -> f.acceptEither(nullFuture, x -> {}),
3457	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3458	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3459	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3460
3461		() -> f.runAfterEither(g, null),
3462		() -> f.runAfterEitherAsync(g, null),
#	Line 3000 | Line 3486 | public class CompletableFutureTest exten
3486		() -> CompletableFuture.anyOf(null, f),
3487
3488		() -> f.obtrudeException(null),
3489	+
3490	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3491	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3492	+	() -> CompletableFuture.delayedExecutor(1L, null),
3493	+
3494	+	() -> f.orTimeout(1L, null),
3495	+	() -> f.completeOnTimeout(42, 1L, null),
3496	+
3497	+	() -> CompletableFuture.failedFuture(null),
3498	+	() -> CompletableFuture.failedStage(null),
3499		};
3500
3501		assertThrows(NullPointerException.class, throwingActions);
#	Line 3007 | Line 3503 | public class CompletableFutureTest exten
3503		}
3504
3505		/**
3506	+	* Test submissions to an executor that rejects all tasks.
3507	+	*/
3508	+	public void testRejectingExecutor() {
3509	+	for (Integer v : new Integer[] { 1, null })
3510	+	{
3511	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3512	+
3513	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3514	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3515	+
3516	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3517	+
3518	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3519	+	srcs.add(complete);
3520	+	srcs.add(incomplete);
3521	+
3522	+	for (CompletableFuture<Integer> src : srcs) {
3523	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3524	+	fs.add(src.thenRunAsync(() -> {}, e));
3525	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3526	+	fs.add(src.thenApplyAsync(z -> z, e));
3527	+
3528	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3529	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3530	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3531	+
3532	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3533	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3534	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3535	+
3536	+	fs.add(src.thenComposeAsync(z -> null, e));
3537	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3538	+	fs.add(src.handleAsync((z, t) -> null, e));
3539	+
3540	+	for (CompletableFuture<?> future : fs) {
3541	+	if (src.isDone())
3542	+	checkCompletedWithWrappedException(future, e.ex);
3543	+	else
3544	+	checkIncomplete(future);
3545	+	}
3546	+	futures.addAll(fs);
3547	+	}
3548	+
3549	+	{
3550	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3551	+
3552	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3553	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3554	+
3555	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3556	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3557	+
3558	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3559	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3560	+
3561	+	for (CompletableFuture<?> future : fs)
3562	+	checkIncomplete(future);
3563	+	futures.addAll(fs);
3564	+	}
3565	+
3566	+	{
3567	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3568	+
3569	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3570	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3571	+
3572	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3573	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3574	+
3575	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3576	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3577	+
3578	+	for (CompletableFuture<?> future : fs)
3579	+	checkCompletedWithWrappedException(future, e.ex);
3580	+	futures.addAll(fs);
3581	+	}
3582	+
3583	+	incomplete.complete(v);
3584	+
3585	+	for (CompletableFuture<?> future : futures)
3586	+	checkCompletedWithWrappedException(future, e.ex);
3587	+
3588	+	assertEquals(futures.size(), e.count.get());
3589	+	}}
3590	+
3591	+	/**
3592	+	* Test submissions to an executor that rejects all tasks, but
3593	+	* should never be invoked because the dependent future is
3594	+	* explicitly completed.
3595	+	*/
3596	+	public void testRejectingExecutorNeverInvoked() {
3597	+	for (Integer v : new Integer[] { 1, null })
3598	+	{
3599	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3600	+
3601	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3602	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3603	+
3604	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3605	+
3606	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3607	+	srcs.add(complete);
3608	+	srcs.add(incomplete);
3609	+
3610	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3611	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3612	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3613	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3614	+
3615	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3616	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3617	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3618	+
3619	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3620	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3621	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3622	+
3623	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3624	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3625	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3626	+
3627	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3628	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3629	+
3630	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3631	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3632	+
3633	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3634	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3635	+
3636	+	for (CompletableFuture<?> future : fs)
3637	+	checkIncomplete(future);
3638	+
3639	+	for (CompletableFuture<?> future : fs)
3640	+	future.complete(null);
3641	+
3642	+	incomplete.complete(v);
3643	+
3644	+	for (CompletableFuture<?> future : fs)
3645	+	checkCompletedNormally(future, null);
3646	+
3647	+	assertEquals(0, e.count.get());
3648	+	}}
3649	+
3650	+	/**
3651		* toCompletableFuture returns this CompletableFuture.
3652		*/
3653		public void testToCompletableFuture() {
#	Line 3014 | Line 3655 | public class CompletableFutureTest exten
3655		assertSame(f, f.toCompletableFuture());
3656		}
3657
3658	<	//     public void testRunAfterEither_resultDeterminedAtTimeOfCreation() {
3659	<	//         for (ExecutionMode m : ExecutionMode.values())
3660	<	//         for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3661	<	//         for (Integer v1 : new Integer[] { 1, null })
3662	<	//     {
3663	<	//         final CompletableFuture<Integer> f = new CompletableFuture<>();
3664	<	//         final CompletableFuture<Integer> g = new CompletableFuture<>();
3665	<	//         final Noop[] rs = new Noop[2];
3666	<	//         for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
3667	<	//         f.complete(v1);
3668	<	//         final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
3669	<	//         final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
3670	<	//         assertTrue(g.cancel(mayInterruptIfRunning));
3671	<	//         checkCompletedNormally(h0, null);
3672	<	//         checkCompletedNormally(h1, null);
3673	<	//         for (Noop r : rs) r.assertInvoked();
3674	<	//     }}
3658	>	// jdk9
3659	>
3660	>	/**
3661	>	* newIncompleteFuture returns an incomplete CompletableFuture
3662	>	*/
3663	>	public void testNewIncompleteFuture() {
3664	>	for (Integer v1 : new Integer[] { 1, null })
3665	>	{
3666	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3667	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3668	>	checkIncomplete(f);
3669	>	checkIncomplete(g);
3670	>	f.complete(v1);
3671	>	checkCompletedNormally(f, v1);
3672	>	checkIncomplete(g);
3673	>	g.complete(v1);
3674	>	checkCompletedNormally(g, v1);
3675	>	assertSame(g.getClass(), CompletableFuture.class);
3676	>	}}
3677	>
3678	>	/**
3679	>	* completedStage returns a completed CompletionStage
3680	>	*/
3681	>	public void testCompletedStage() {
3682	>	AtomicInteger x = new AtomicInteger(0);
3683	>	AtomicReference<Throwable> r = new AtomicReference<>();
3684	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3685	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3686	>	assertEquals(x.get(), 1);
3687	>	assertNull(r.get());
3688	>	}
3689	>
3690	>	/**
3691	>	* defaultExecutor by default returns the commonPool if
3692	>	* it supports more than one thread.
3693	>	*/
3694	>	public void testDefaultExecutor() {
3695	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3696	>	Executor e = f.defaultExecutor();
3697	>	Executor c = ForkJoinPool.commonPool();
3698	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3699	>	assertSame(e, c);
3700	>	else
3701	>	assertNotSame(e, c);
3702	>	}
3703	>
3704	>	/**
3705	>	* failedFuture returns a CompletableFuture completed
3706	>	* exceptionally with the given Exception
3707	>	*/
3708	>	public void testFailedFuture() {
3709	>	CFException ex = new CFException();
3710	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3711	>	checkCompletedExceptionally(f, ex);
3712	>	}
3713	>
3714	>	/**
3715	>	* failedFuture(null) throws NPE
3716	>	*/
3717	>	public void testFailedFuture_null() {
3718	>	try {
3719	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3720	>	shouldThrow();
3721	>	} catch (NullPointerException success) {}
3722	>	}
3723	>
3724	>	/**
3725	>	* copy returns a CompletableFuture that is completed normally,
3726	>	* with the same value, when source is.
3727	>	*/
3728	>	public void testCopy_normalCompletion() {
3729	>	for (boolean createIncomplete : new boolean[] { true, false })
3730	>	for (Integer v1 : new Integer[] { 1, null })
3731	>	{
3732	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3733	>	if (!createIncomplete) assertTrue(f.complete(v1));
3734	>	CompletableFuture<Integer> g = f.copy();
3735	>	if (createIncomplete) {
3736	>	checkIncomplete(f);
3737	>	checkIncomplete(g);
3738	>	assertTrue(f.complete(v1));
3739	>	}
3740	>	checkCompletedNormally(f, v1);
3741	>	checkCompletedNormally(g, v1);
3742	>	}}
3743	>
3744	>	/**
3745	>	* copy returns a CompletableFuture that is completed exceptionally
3746	>	* when source is.
3747	>	*/
3748	>	public void testCopy_exceptionalCompletion() {
3749	>	for (boolean createIncomplete : new boolean[] { true, false })
3750	>	{
3751	>	CFException ex = new CFException();
3752	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3753	>	if (!createIncomplete) f.completeExceptionally(ex);
3754	>	CompletableFuture<Integer> g = f.copy();
3755	>	if (createIncomplete) {
3756	>	checkIncomplete(f);
3757	>	checkIncomplete(g);
3758	>	f.completeExceptionally(ex);
3759	>	}
3760	>	checkCompletedExceptionally(f, ex);
3761	>	checkCompletedWithWrappedException(g, ex);
3762	>	}}
3763	>
3764	>	/**
3765	>	* Completion of a copy does not complete its source.
3766	>	*/
3767	>	public void testCopy_oneWayPropagation() {
3768	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3769	>	assertTrue(f.copy().complete(1));
3770	>	assertTrue(f.copy().complete(null));
3771	>	assertTrue(f.copy().cancel(true));
3772	>	assertTrue(f.copy().cancel(false));
3773	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3774	>	checkIncomplete(f);
3775	>	}
3776	>
3777	>	/**
3778	>	* minimalCompletionStage returns a CompletableFuture that is
3779	>	* completed normally, with the same value, when source is.
3780	>	*/
3781	>	public void testMinimalCompletionStage() {
3782	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3783	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3784	>	AtomicInteger x = new AtomicInteger(0);
3785	>	AtomicReference<Throwable> r = new AtomicReference<>();
3786	>	checkIncomplete(f);
3787	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3788	>	f.complete(1);
3789	>	checkCompletedNormally(f, 1);
3790	>	assertEquals(x.get(), 1);
3791	>	assertNull(r.get());
3792	>	}
3793	>
3794	>	/**
3795	>	* minimalCompletionStage returns a CompletableFuture that is
3796	>	* completed exceptionally when source is.
3797	>	*/
3798	>	public void testMinimalCompletionStage2() {
3799	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3800	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3801	>	AtomicInteger x = new AtomicInteger(0);
3802	>	AtomicReference<Throwable> r = new AtomicReference<>();
3803	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3804	>	checkIncomplete(f);
3805	>	CFException ex = new CFException();
3806	>	f.completeExceptionally(ex);
3807	>	checkCompletedExceptionally(f, ex);
3808	>	assertEquals(x.get(), 0);
3809	>	assertEquals(r.get().getCause(), ex);
3810	>	}
3811	>
3812	>	/**
3813	>	* failedStage returns a CompletionStage completed
3814	>	* exceptionally with the given Exception
3815	>	*/
3816	>	public void testFailedStage() {
3817	>	CFException ex = new CFException();
3818	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3819	>	AtomicInteger x = new AtomicInteger(0);
3820	>	AtomicReference<Throwable> r = new AtomicReference<>();
3821	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3822	>	assertEquals(x.get(), 0);
3823	>	assertEquals(r.get(), ex);
3824	>	}
3825	>
3826	>	/**
3827	>	* completeAsync completes with value of given supplier
3828	>	*/
3829	>	public void testCompleteAsync() {
3830	>	for (Integer v1 : new Integer[] { 1, null })
3831	>	{
3832	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3833	>	f.completeAsync(() -> v1);
3834	>	f.join();
3835	>	checkCompletedNormally(f, v1);
3836	>	}}
3837	>
3838	>	/**
3839	>	* completeAsync completes exceptionally if given supplier throws
3840	>	*/
3841	>	public void testCompleteAsync2() {
3842	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3843	>	CFException ex = new CFException();
3844	>	f.completeAsync(() -> { throw ex; });
3845	>	try {
3846	>	f.join();
3847	>	shouldThrow();
3848	>	} catch (CompletionException success) {}
3849	>	checkCompletedWithWrappedException(f, ex);
3850	>	}
3851	>
3852	>	/**
3853	>	* completeAsync with given executor completes with value of given supplier
3854	>	*/
3855	>	public void testCompleteAsync3() {
3856	>	for (Integer v1 : new Integer[] { 1, null })
3857	>	{
3858	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3859	>	ThreadExecutor executor = new ThreadExecutor();
3860	>	f.completeAsync(() -> v1, executor);
3861	>	assertSame(v1, f.join());
3862	>	checkCompletedNormally(f, v1);
3863	>	assertEquals(1, executor.count.get());
3864	>	}}
3865	>
3866	>	/**
3867	>	* completeAsync with given executor completes exceptionally if
3868	>	* given supplier throws
3869	>	*/
3870	>	public void testCompleteAsync4() {
3871	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3872	>	CFException ex = new CFException();
3873	>	ThreadExecutor executor = new ThreadExecutor();
3874	>	f.completeAsync(() -> { throw ex; }, executor);
3875	>	try {
3876	>	f.join();
3877	>	shouldThrow();
3878	>	} catch (CompletionException success) {}
3879	>	checkCompletedWithWrappedException(f, ex);
3880	>	assertEquals(1, executor.count.get());
3881	>	}
3882	>
3883	>	/**
3884	>	* orTimeout completes with TimeoutException if not complete
3885	>	*/
3886	>	public void testOrTimeout_timesOut() {
3887	>	long timeoutMillis = timeoutMillis();
3888	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3889	>	long startTime = System.nanoTime();
3890	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3891	>	checkCompletedWithTimeoutException(f);
3892	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3893	>	}
3894	>
3895	>	/**
3896	>	* orTimeout completes normally if completed before timeout
3897	>	*/
3898	>	public void testOrTimeout_completed() {
3899	>	for (Integer v1 : new Integer[] { 1, null })
3900	>	{
3901	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3902	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3903	>	long startTime = System.nanoTime();
3904	>	f.complete(v1);
3905	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3906	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3907	>	g.complete(v1);
3908	>	checkCompletedNormally(f, v1);
3909	>	checkCompletedNormally(g, v1);
3910	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3911	>	}}
3912	>
3913	>	/**
3914	>	* completeOnTimeout completes with given value if not complete
3915	>	*/
3916	>	public void testCompleteOnTimeout_timesOut() {
3917	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3918	>	() -> testCompleteOnTimeout_timesOut(null));
3919	>	}
3920	>
3921	>	/**
3922	>	* completeOnTimeout completes with given value if not complete
3923	>	*/
3924	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3925	>	long timeoutMillis = timeoutMillis();
3926	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3927	>	long startTime = System.nanoTime();
3928	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3929	>	assertSame(v, f.join());
3930	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3931	>	f.complete(99);         // should have no effect
3932	>	checkCompletedNormally(f, v);
3933	>	}
3934	>
3935	>	/**
3936	>	* completeOnTimeout has no effect if completed within timeout
3937	>	*/
3938	>	public void testCompleteOnTimeout_completed() {
3939	>	for (Integer v1 : new Integer[] { 1, null })
3940	>	{
3941	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3942	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3943	>	long startTime = System.nanoTime();
3944	>	f.complete(v1);
3945	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3946	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3947	>	g.complete(v1);
3948	>	checkCompletedNormally(f, v1);
3949	>	checkCompletedNormally(g, v1);
3950	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3951	>	}}
3952	>
3953	>	/**
3954	>	* delayedExecutor returns an executor that delays submission
3955	>	*/
3956	>	public void testDelayedExecutor() {
3957	>	testInParallel(() -> testDelayedExecutor(null, null),
3958	>	() -> testDelayedExecutor(null, 1),
3959	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3960	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3961	>	}
3962	>
3963	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3964	>	long timeoutMillis = timeoutMillis();
3965	>	// Use an "unreasonably long" long timeout to catch lingering threads
3966	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3967	>	final Executor delayer, longDelayer;
3968	>	if (executor == null) {
3969	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3970	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3971	>	} else {
3972	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3973	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3974	>	}
3975	>	long startTime = System.nanoTime();
3976	>	CompletableFuture<Integer> f =
3977	>	CompletableFuture.supplyAsync(() -> v, delayer);
3978	>	CompletableFuture<Integer> g =
3979	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3980	>
3981	>	assertNull(g.getNow(null));
3982	>
3983	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3984	>	long millisElapsed = millisElapsedSince(startTime);
3985	>	assertTrue(millisElapsed >= timeoutMillis);
3986	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3987	>
3988	>	checkCompletedNormally(f, v);
3989	>
3990	>	checkIncomplete(g);
3991	>	assertTrue(g.cancel(true));
3992	>	}
3993	>
3994	>	//--- tests of implementation details; not part of official tck ---
3995	>
3996	>	Object resultOf(CompletableFuture<?> f) {
3997	>	SecurityManager sm = System.getSecurityManager();
3998	>	if (sm != null) {
3999	>	try {
4000	>	System.setSecurityManager(null);
4001	>	} catch (SecurityException giveUp) {
4002	>	return "Reflection not available";
4003	>	}
4004	>	}
4005	>
4006	>	try {
4007	>	java.lang.reflect.Field resultField
4008	>	= CompletableFuture.class.getDeclaredField("result");
4009	>	resultField.setAccessible(true);
4010	>	return resultField.get(f);
4011	>	} catch (Throwable t) {
4012	>	throw new AssertionError(t);
4013	>	} finally {
4014	>	if (sm != null) System.setSecurityManager(sm);
4015	>	}
4016	>	}
4017	>
4018	>	public void testExceptionPropagationReusesResultObject() {
4019	>	if (!testImplementationDetails) return;
4020	>	for (ExecutionMode m : ExecutionMode.values())
4021	>	{
4022	>	final CFException ex = new CFException();
4023	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4024	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4025	>
4026	>	final Runnable noopRunnable = new Noop(m);
4027	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4028	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
4029	>
4030	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4031	>	= new ArrayList<>();
4032	>
4033	>	funs.add(y -> m.thenRun(y, noopRunnable));
4034	>	funs.add(y -> m.thenAccept(y, noopConsumer));
4035	>	funs.add(y -> m.thenApply(y, incFunction));
4036	>
4037	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4038	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4039	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4040	>
4041	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4042	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4043	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4044	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4045	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4046	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4047	>
4048	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4049	>
4050	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4051	>
4052	>	funs.add(y -> CompletableFuture.allOf(y));
4053	>	funs.add(y -> CompletableFuture.allOf(y, v42));
4054	>	funs.add(y -> CompletableFuture.allOf(v42, y));
4055	>	funs.add(y -> CompletableFuture.anyOf(y));
4056	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4057	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4058	>
4059	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4060	>	fun : funs) {
4061	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4062	>	f.completeExceptionally(ex);
4063	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4064	>	checkCompletedWithWrappedException(src, ex);
4065	>	CompletableFuture<?> dep = fun.apply(src);
4066	>	checkCompletedWithWrappedException(dep, ex);
4067	>	assertSame(resultOf(src), resultOf(dep));
4068	>	}
4069	>
4070	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4071	>	fun : funs) {
4072	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4073	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4074	>	CompletableFuture<?> dep = fun.apply(src);
4075	>	f.completeExceptionally(ex);
4076	>	checkCompletedWithWrappedException(src, ex);
4077	>	checkCompletedWithWrappedException(dep, ex);
4078	>	assertSame(resultOf(src), resultOf(dep));
4079	>	}
4080	>
4081	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4082	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4083	>	fun : funs) {
4084	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4085	>	f.cancel(mayInterruptIfRunning);
4086	>	checkCancelled(f);
4087	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4088	>	checkCompletedWithWrappedCancellationException(src);
4089	>	CompletableFuture<?> dep = fun.apply(src);
4090	>	checkCompletedWithWrappedCancellationException(dep);
4091	>	assertSame(resultOf(src), resultOf(dep));
4092	>	}
4093	>
4094	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4095	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4096	>	fun : funs) {
4097	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4098	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4099	>	CompletableFuture<?> dep = fun.apply(src);
4100	>	f.cancel(mayInterruptIfRunning);
4101	>	checkCancelled(f);
4102	>	checkCompletedWithWrappedCancellationException(src);
4103	>	checkCompletedWithWrappedCancellationException(dep);
4104	>	assertSame(resultOf(src), resultOf(dep));
4105	>	}
4106	>	}}
4107	>
4108	>	/**
4109	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
4110	>	*/
4111	>	public void testMinimalCompletionStage_minimality() {
4112	>	if (!testImplementationDetails) return;
4113	>	Function<Method, String> toSignature =
4114	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4115	>	Predicate<Method> isNotStatic =
4116	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4117	>	List<Method> minimalMethods =
4118	>	Stream.of(Object.class, CompletionStage.class)
4119	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4120	>	.filter(isNotStatic)
4121	>	.collect(Collectors.toList());
4122	>	// Methods from CompletableFuture permitted NOT to throw UOE
4123	>	String[] signatureWhitelist = {
4124	>	"newIncompleteFuture[]",
4125	>	"defaultExecutor[]",
4126	>	"minimalCompletionStage[]",
4127	>	"copy[]",
4128	>	};
4129	>	Set<String> permittedMethodSignatures =
4130	>	Stream.concat(minimalMethods.stream().map(toSignature),
4131	>	Stream.of(signatureWhitelist))
4132	>	.collect(Collectors.toSet());
4133	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4134	>	.filter(isNotStatic)
4135	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4136	>	.collect(Collectors.toList());
4137	>
4138	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4139	>	CompletionStage<Integer> min =
4140	>	new CompletableFuture<Integer>().minimalCompletionStage();
4141	>	stages.add(min);
4142	>	stages.add(min.thenApply(x -> x));
4143	>	stages.add(CompletableFuture.completedStage(1));
4144	>	stages.add(CompletableFuture.failedStage(new CFException()));
4145	>
4146	>	List<Method> bugs = new ArrayList<>();
4147	>	for (Method method : allMethods) {
4148	>	Class<?>[] parameterTypes = method.getParameterTypes();
4149	>	Object[] args = new Object[parameterTypes.length];
4150	>	// Manufacture boxed primitives for primitive params
4151	>	for (int i = 0; i < args.length; i++) {
4152	>	Class<?> type = parameterTypes[i];
4153	>	if (parameterTypes[i] == boolean.class)
4154	>	args[i] = false;
4155	>	else if (parameterTypes[i] == int.class)
4156	>	args[i] = 0;
4157	>	else if (parameterTypes[i] == long.class)
4158	>	args[i] = 0L;
4159	>	}
4160	>	for (CompletionStage<Integer> stage : stages) {
4161	>	try {
4162	>	method.invoke(stage, args);
4163	>	bugs.add(method);
4164	>	}
4165	>	catch (java.lang.reflect.InvocationTargetException expected) {
4166	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4167	>	bugs.add(method);
4168	>	// expected.getCause().printStackTrace();
4169	>	}
4170	>	}
4171	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4172	>	}
4173	>	}
4174	>	if (!bugs.isEmpty())
4175	>	throw new Error("Methods did not throw UOE: " + bugs);
4176	>	}
4177	>
4178	>	/**
4179	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4180	>	* is completed normally, with the same value, when source is.
4181	>	*/
4182	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4183	>	for (boolean createIncomplete : new boolean[] { true, false })
4184	>	for (Integer v1 : new Integer[] { 1, null })
4185	>	{
4186	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4187	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4188	>	if (!createIncomplete) assertTrue(f.complete(v1));
4189	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4190	>	if (createIncomplete) {
4191	>	checkIncomplete(f);
4192	>	checkIncomplete(g);
4193	>	assertTrue(f.complete(v1));
4194	>	}
4195	>	checkCompletedNormally(f, v1);
4196	>	checkCompletedNormally(g, v1);
4197	>	}}
4198	>
4199	>	/**
4200	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4201	>	* is completed exceptionally when source is.
4202	>	*/
4203	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4204	>	for (boolean createIncomplete : new boolean[] { true, false })
4205	>	{
4206	>	CFException ex = new CFException();
4207	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4208	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4209	>	if (!createIncomplete) f.completeExceptionally(ex);
4210	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4211	>	if (createIncomplete) {
4212	>	checkIncomplete(f);
4213	>	checkIncomplete(g);
4214	>	f.completeExceptionally(ex);
4215	>	}
4216	>	checkCompletedExceptionally(f, ex);
4217	>	checkCompletedWithWrappedException(g, ex);
4218	>	}}
4219	>
4220	>	/**
4221	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4222	>	*/
4223	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4224	>	for (Integer v1 : new Integer[] { 1, null })
4225	>	{
4226	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4227	>	CompletionStage minimal = f.minimalCompletionStage();
4228	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4229	>	assertTrue(g.complete(v1));
4230	>	checkCompletedNormally(g, v1);
4231	>	checkIncomplete(f);
4232	>	checkIncomplete(minimal.toCompletableFuture());
4233	>	}}
4234	>
4235	>	/**
4236	>	* minimalStage.toCompletableFuture().join() awaits completion
4237	>	*/
4238	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4239	>	for (boolean createIncomplete : new boolean[] { true, false })
4240	>	for (Integer v1 : new Integer[] { 1, null })
4241	>	{
4242	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4243	>	if (!createIncomplete) assertTrue(f.complete(v1));
4244	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4245	>	if (createIncomplete) assertTrue(f.complete(v1));
4246	>	assertEquals(v1, minimal.toCompletableFuture().join());
4247	>	assertEquals(v1, minimal.toCompletableFuture().get());
4248	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4249	>	}}
4250	>
4251	>	/**
4252	>	* Completion of a toCompletableFuture copy of a minimal stage
4253	>	* does not complete its source.
4254	>	*/
4255	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4256	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4257	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4258	>	assertTrue(g.toCompletableFuture().complete(1));
4259	>	assertTrue(g.toCompletableFuture().complete(null));
4260	>	assertTrue(g.toCompletableFuture().cancel(true));
4261	>	assertTrue(g.toCompletableFuture().cancel(false));
4262	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4263	>	checkIncomplete(g.toCompletableFuture());
4264	>	f.complete(1);
4265	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4266	>	}
4267	>
4268	>	/** Demo utility method for external reliable toCompletableFuture */
4269	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4270	>	CompletableFuture<T> f = new CompletableFuture<>();
4271	>	stage.handle((T t, Throwable ex) -> {
4272	>	if (ex != null) f.completeExceptionally(ex);
4273	>	else f.complete(t);
4274	>	return null;
4275	>	});
4276	>	return f;
4277	>	}
4278	>
4279	>	/** Demo utility method to join a CompletionStage */
4280	>	static <T> T join(CompletionStage<T> stage) {
4281	>	return toCompletableFuture(stage).join();
4282	>	}
4283	>
4284	>	/**
4285	>	* Joining a minimal stage "by hand" works
4286	>	*/
4287	>	public void testMinimalCompletionStage_join_by_hand() {
4288	>	for (boolean createIncomplete : new boolean[] { true, false })
4289	>	for (Integer v1 : new Integer[] { 1, null })
4290	>	{
4291	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4292	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4293	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4294	>	if (!createIncomplete) assertTrue(f.complete(v1));
4295	>	minimal.thenAccept(x -> g.complete(x));
4296	>	if (createIncomplete) assertTrue(f.complete(v1));
4297	>	g.join();
4298	>	checkCompletedNormally(g, v1);
4299	>	checkCompletedNormally(f, v1);
4300	>	assertEquals(v1, join(minimal));
4301	>	}}
4302	>
4303	>	static class Monad {
4304	>	static class ZeroException extends RuntimeException {
4305	>	public ZeroException() { super("monadic zero"); }
4306	>	}
4307	>	// "return", "unit"
4308	>	static <T> CompletableFuture<T> unit(T value) {
4309	>	return completedFuture(value);
4310	>	}
4311	>	// monadic zero ?
4312	>	static <T> CompletableFuture<T> zero() {
4313	>	return failedFuture(new ZeroException());
4314	>	}
4315	>	// >=>
4316	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4317	>	(Function<T, CompletableFuture<U>> f,
4318	>	Function<U, CompletableFuture<V>> g) {
4319	>	return x -> f.apply(x).thenCompose(g);
4320	>	}
4321	>
4322	>	static void assertZero(CompletableFuture<?> f) {
4323	>	try {
4324	>	f.getNow(null);
4325	>	throw new AssertionError("should throw");
4326	>	} catch (CompletionException success) {
4327	>	assertTrue(success.getCause() instanceof ZeroException);
4328	>	}
4329	>	}
4330	>
4331	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4332	>	CompletableFuture<T> g) {
4333	>	T fval = null, gval = null;
4334	>	Throwable fex = null, gex = null;
4335	>
4336	>	try { fval = f.get(); }
4337	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4338	>	catch (Throwable ex) { fex = ex; }
4339	>
4340	>	try { gval = g.get(); }
4341	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4342	>	catch (Throwable ex) { gex = ex; }
4343	>
4344	>	if (fex != null || gex != null)
4345	>	assertSame(fex.getClass(), gex.getClass());
4346	>	else
4347	>	assertEquals(fval, gval);
4348	>	}
4349	>
4350	>	static class PlusFuture<T> extends CompletableFuture<T> {
4351	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4352	>	}
4353	>
4354	>	/** Implements "monadic plus". */
4355	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4356	>	CompletableFuture<? extends T> g) {
4357	>	PlusFuture<T> plus = new PlusFuture<T>();
4358	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4359	>	try {
4360	>	if (ex == null) {
4361	>	if (plus.complete(result))
4362	>	if (plus.firstFailure.get() != null)
4363	>	plus.firstFailure.set(null);
4364	>	}
4365	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4366	>	if (plus.isDone())
4367	>	plus.firstFailure.set(null);
4368	>	}
4369	>	else {
4370	>	// first failure has precedence
4371	>	Throwable first = plus.firstFailure.getAndSet(null);
4372	>
4373	>	// may fail with "Self-suppression not permitted"
4374	>	try { first.addSuppressed(ex); }
4375	>	catch (Exception ignored) {}
4376	>
4377	>	plus.completeExceptionally(first);
4378	>	}
4379	>	} catch (Throwable unexpected) {
4380	>	plus.completeExceptionally(unexpected);
4381	>	}
4382	>	};
4383	>	f.whenComplete(action);
4384	>	g.whenComplete(action);
4385	>	return plus;
4386	>	}
4387	>	}
4388	>
4389	>	/**
4390	>	* CompletableFuture is an additive monad - sort of.
4391	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4392	>	*/
4393	>	public void testAdditiveMonad() throws Throwable {
4394	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4395	>	CompletableFuture<Long> zero = Monad.zero();
4396	>
4397	>	// Some mutually non-commutative functions
4398	>	Function<Long, CompletableFuture<Long>> triple
4399	>	= x -> Monad.unit(3 * x);
4400	>	Function<Long, CompletableFuture<Long>> inc
4401	>	= x -> Monad.unit(x + 1);
4402	>
4403	>	// unit is a right identity: m >>= unit === m
4404	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4405	>	inc.apply(5L));
4406	>	// unit is a left identity: (unit x) >>= f === f x
4407	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4408	>	inc.apply(5L));
4409	>
4410	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4411	>	Monad.assertFutureEquals(
4412	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4413	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4414	>
4415	>	// The case for CompletableFuture as an additive monad is weaker...
4416	>
4417	>	// zero is a monadic zero
4418	>	Monad.assertZero(zero);
4419	>
4420	>	// left zero: zero >>= f === zero
4421	>	Monad.assertZero(zero.thenCompose(inc));
4422	>	// right zero: f >>= (\x -> zero) === zero
4423	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4424	>
4425	>	// f plus zero === f
4426	>	Monad.assertFutureEquals(Monad.unit(5L),
4427	>	Monad.plus(Monad.unit(5L), zero));
4428	>	// zero plus f === f
4429	>	Monad.assertFutureEquals(Monad.unit(5L),
4430	>	Monad.plus(zero, Monad.unit(5L)));
4431	>	// zero plus zero === zero
4432	>	Monad.assertZero(Monad.plus(zero, zero));
4433	>	{
4434	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4435	>	Monad.unit(8L));
4436	>	// non-determinism
4437	>	assertTrue(f.get() == 5L || f.get() == 8L);
4438	>	}
4439	>
4440	>	CompletableFuture<Long> godot = new CompletableFuture<>();
4441	>	// f plus godot === f (doesn't wait for godot)
4442	>	Monad.assertFutureEquals(Monad.unit(5L),
4443	>	Monad.plus(Monad.unit(5L), godot));
4444	>	// godot plus f === f (doesn't wait for godot)
4445	>	Monad.assertFutureEquals(Monad.unit(5L),
4446	>	Monad.plus(godot, Monad.unit(5L)));
4447	>	}
4448	>
4449	>	/** Test long recursive chains of CompletableFutures with cascading completions */
4450	>	@SuppressWarnings("FutureReturnValueIgnored")
4451	>	public void testRecursiveChains() throws Throwable {
4452	>	for (ExecutionMode m : ExecutionMode.values())
4453	>	for (boolean addDeadEnds : new boolean[] { true, false })
4454	>	{
4455	>	final int val = 42;
4456	>	final int n = expensiveTests ? 1_000 : 2;
4457	>	CompletableFuture<Integer> head = new CompletableFuture<>();
4458	>	CompletableFuture<Integer> tail = head;
4459	>	for (int i = 0; i < n; i++) {
4460	>	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4461	>	tail = m.thenApply(tail, v -> v + 1);
4462	>	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4463	>	tail = m.applyToEither(tail, tail, v -> v + 1);
4464	>	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4465	>	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4466	>	}
4467	>	head.complete(val);
4468	>	assertEquals(val + 3 * n, (int) tail.join());
4469	>	}}
4470	>
4471	>	/**
4472	>	* A single CompletableFuture with many dependents.
4473	>	* A demo of scalability - runtime is O(n).
4474	>	*/
4475	>	@SuppressWarnings("FutureReturnValueIgnored")
4476	>	public void testManyDependents() throws Throwable {
4477	>	final int n = expensiveTests ? 1_000_000 : 10;
4478	>	final CompletableFuture<Void> head = new CompletableFuture<>();
4479	>	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4480	>	final AtomicInteger count = new AtomicInteger(0);
4481	>	for (int i = 0; i < n; i++) {
4482	>	head.thenRun(() -> count.getAndIncrement());
4483	>	head.thenAccept(x -> count.getAndIncrement());
4484	>	head.thenApply(x -> count.getAndIncrement());
4485	>
4486	>	head.runAfterBoth(complete, () -> count.getAndIncrement());
4487	>	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4488	>	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4489	>	complete.runAfterBoth(head, () -> count.getAndIncrement());
4490	>	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4491	>	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4492	>
4493	>	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4494	>	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4495	>	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4496	>	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4497	>	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4498	>	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4499	>	}
4500	>	head.complete(null);
4501	>	assertEquals(5 * 3 * n, count.get());
4502	>	}
4503	>
4504	>	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4505	>	@SuppressWarnings("FutureReturnValueIgnored")
4506	>	public void testCoCompletionGarbageRetention() throws Throwable {
4507	>	final int n = expensiveTests ? 1_000_000 : 10;
4508	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4509	>	CompletableFuture<Integer> f;
4510	>	for (int i = 0; i < n; i++) {
4511	>	f = new CompletableFuture<>();
4512	>	f.runAfterEither(incomplete, () -> {});
4513	>	f.complete(null);
4514	>
4515	>	f = new CompletableFuture<>();
4516	>	f.acceptEither(incomplete, x -> {});
4517	>	f.complete(null);
4518	>
4519	>	f = new CompletableFuture<>();
4520	>	f.applyToEither(incomplete, x -> x);
4521	>	f.complete(null);
4522	>
4523	>	f = new CompletableFuture<>();
4524	>	CompletableFuture.anyOf(f, incomplete);
4525	>	f.complete(null);
4526	>	}
4527	>
4528	>	for (int i = 0; i < n; i++) {
4529	>	f = new CompletableFuture<>();
4530	>	incomplete.runAfterEither(f, () -> {});
4531	>	f.complete(null);
4532	>
4533	>	f = new CompletableFuture<>();
4534	>	incomplete.acceptEither(f, x -> {});
4535	>	f.complete(null);
4536	>
4537	>	f = new CompletableFuture<>();
4538	>	incomplete.applyToEither(f, x -> x);
4539	>	f.complete(null);
4540	>
4541	>	f = new CompletableFuture<>();
4542	>	CompletableFuture.anyOf(incomplete, f);
4543	>	f.complete(null);
4544	>	}
4545	>	}
4546	>
4547	>	/**
4548	>	* Reproduction recipe for:
4549	>	* 8160402: Garbage retention with CompletableFuture.anyOf
4550	>	* 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
4551	>	*/
4552	>	public void testAnyOfGarbageRetention() throws Throwable {
4553	>	for (Integer v : new Integer[] { 1, null })
4554	>	{
4555	>	final int n = expensiveTests ? 100_000 : 10;
4556	>	CompletableFuture<Integer>[] fs
4557	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4558	>	for (int i = 0; i < fs.length; i++)
4559	>	fs[i] = new CompletableFuture<>();
4560	>	fs[fs.length - 1].complete(v);
4561	>	for (int i = 0; i < n; i++)
4562	>	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4563	>	}}
4564	>
4565	>	/**
4566	>	* Checks for garbage retention with allOf.
4567	>	*
4568	>	* As of 2016-07, fails with OOME:
4569	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4570	>	*/
4571	>	public void testCancelledAllOfGarbageRetention() throws Throwable {
4572	>	final int n = expensiveTests ? 100_000 : 10;
4573	>	CompletableFuture<Integer>[] fs
4574	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4575	>	for (int i = 0; i < fs.length; i++)
4576	>	fs[i] = new CompletableFuture<>();
4577	>	for (int i = 0; i < n; i++)
4578	>	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4579	>	}
4580	>
4581	>	/**
4582	>	* Checks for garbage retention when a dependent future is
4583	>	* cancelled and garbage-collected.
4584	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4585	>	*
4586	>	* As of 2016-07, fails with OOME:
4587	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4588	>	*/
4589	>	public void testCancelledGarbageRetention() throws Throwable {
4590	>	final int n = expensiveTests ? 100_000 : 10;
4591	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4592	>	for (int i = 0; i < n; i++)
4593	>	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4594	>	}
4595	>
4596	>	/**
4597	>	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4598	>	* is invoked many times.
4599	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4600	>	*
4601	>	* As of 2016-07, fails with OOME:
4602	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4603	>	*/
4604	>	public void testToCompletableFutureGarbageRetention() throws Throwable {
4605	>	final int n = expensiveTests ? 900_000 : 10;
4606	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4607	>	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4608	>	for (int i = 0; i < n; i++)
4609	>	assertTrue(minimal.toCompletableFuture().cancel(true));
4610	>	}
4611	>
4612	>	//     static <U> U join(CompletionStage<U> stage) {
4613	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4614	>	//         stage.whenComplete((v, ex) -> {
4615	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4616	>	//         });
4617	>	//         return f.join();
4618	>	//     }
4619	>
4620	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
4621	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4622	>	//         stage.whenComplete((v, ex) -> {
4623	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4624	>	//         });
4625	>	//         return f.isDone();
4626	>	//     }
4627	>
4628	>	//     static <U> U join2(CompletionStage<U> stage) {
4629	>	//         return stage.toCompletableFuture().copy().join();
4630	>	//     }
4631	>
4632	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4633	>	//         return stage.toCompletableFuture().copy().isDone();
4634	>	//     }
4635	>
4636	>	// For testing default implementations
4637	>	// Only non-default interface methods defined.
4638	>	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4639	>	final CompletableFuture<T> cf;
4640	>	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4641	>	public CompletableFuture<T> toCompletableFuture() {
4642	>	return cf; }
4643	>	public CompletionStage<Void> thenRun
4644	>	(Runnable action) {
4645	>	return cf.thenRun(action); }
4646	>	public CompletionStage<Void> thenRunAsync
4647	>	(Runnable action) {
4648	>	return cf.thenRunAsync(action); }
4649	>	public CompletionStage<Void> thenRunAsync
4650	>	(Runnable action,
4651	>	Executor executor) {
4652	>	return cf.thenRunAsync(action, executor); }
4653	>	public CompletionStage<Void> thenAccept
4654	>	(Consumer<? super T> action) {
4655	>	return cf.thenAccept(action); }
4656	>	public CompletionStage<Void> thenAcceptAsync
4657	>	(Consumer<? super T> action) {
4658	>	return cf.thenAcceptAsync(action); }
4659	>	public CompletionStage<Void> thenAcceptAsync
4660	>	(Consumer<? super T> action,
4661	>	Executor executor) {
4662	>	return cf.thenAcceptAsync(action, executor); }
4663	>	public <U> CompletionStage<U> thenApply
4664	>	(Function<? super T,? extends U> a) {
4665	>	return cf.thenApply(a); }
4666	>	public <U> CompletionStage<U> thenApplyAsync
4667	>	(Function<? super T,? extends U> fn) {
4668	>	return cf.thenApplyAsync(fn); }
4669	>	public <U> CompletionStage<U> thenApplyAsync
4670	>	(Function<? super T,? extends U> fn,
4671	>	Executor executor) {
4672	>	return cf.thenApplyAsync(fn, executor); }
4673	>	public <U,V> CompletionStage<V> thenCombine
4674	>	(CompletionStage<? extends U> other,
4675	>	BiFunction<? super T,? super U,? extends V> fn) {
4676	>	return cf.thenCombine(other, fn); }
4677	>	public <U,V> CompletionStage<V> thenCombineAsync
4678	>	(CompletionStage<? extends U> other,
4679	>	BiFunction<? super T,? super U,? extends V> fn) {
4680	>	return cf.thenCombineAsync(other, fn); }
4681	>	public <U,V> CompletionStage<V> thenCombineAsync
4682	>	(CompletionStage<? extends U> other,
4683	>	BiFunction<? super T,? super U,? extends V> fn,
4684	>	Executor executor) {
4685	>	return cf.thenCombineAsync(other, fn, executor); }
4686	>	public <U> CompletionStage<Void> thenAcceptBoth
4687	>	(CompletionStage<? extends U> other,
4688	>	BiConsumer<? super T, ? super U> action) {
4689	>	return cf.thenAcceptBoth(other, action); }
4690	>	public <U> CompletionStage<Void> thenAcceptBothAsync
4691	>	(CompletionStage<? extends U> other,
4692	>	BiConsumer<? super T, ? super U> action) {
4693	>	return cf.thenAcceptBothAsync(other, action); }
4694	>	public <U> CompletionStage<Void> thenAcceptBothAsync
4695	>	(CompletionStage<? extends U> other,
4696	>	BiConsumer<? super T, ? super U> action,
4697	>	Executor executor) {
4698	>	return cf.thenAcceptBothAsync(other, action, executor); }
4699	>	public CompletionStage<Void> runAfterBoth
4700	>	(CompletionStage<?> other,
4701	>	Runnable action) {
4702	>	return cf.runAfterBoth(other, action); }
4703	>	public CompletionStage<Void> runAfterBothAsync
4704	>	(CompletionStage<?> other,
4705	>	Runnable action) {
4706	>	return cf.runAfterBothAsync(other, action); }
4707	>	public CompletionStage<Void> runAfterBothAsync
4708	>	(CompletionStage<?> other,
4709	>	Runnable action,
4710	>	Executor executor) {
4711	>	return cf.runAfterBothAsync(other, action, executor); }
4712	>	public <U> CompletionStage<U> applyToEither
4713	>	(CompletionStage<? extends T> other,
4714	>	Function<? super T, U> fn) {
4715	>	return cf.applyToEither(other, fn); }
4716	>	public <U> CompletionStage<U> applyToEitherAsync
4717	>	(CompletionStage<? extends T> other,
4718	>	Function<? super T, U> fn) {
4719	>	return cf.applyToEitherAsync(other, fn); }
4720	>	public <U> CompletionStage<U> applyToEitherAsync
4721	>	(CompletionStage<? extends T> other,
4722	>	Function<? super T, U> fn,
4723	>	Executor executor) {
4724	>	return cf.applyToEitherAsync(other, fn, executor); }
4725	>	public CompletionStage<Void> acceptEither
4726	>	(CompletionStage<? extends T> other,
4727	>	Consumer<? super T> action) {
4728	>	return cf.acceptEither(other, action); }
4729	>	public CompletionStage<Void> acceptEitherAsync
4730	>	(CompletionStage<? extends T> other,
4731	>	Consumer<? super T> action) {
4732	>	return cf.acceptEitherAsync(other, action); }
4733	>	public CompletionStage<Void> acceptEitherAsync
4734	>	(CompletionStage<? extends T> other,
4735	>	Consumer<? super T> action,
4736	>	Executor executor) {
4737	>	return cf.acceptEitherAsync(other, action, executor); }
4738	>	public CompletionStage<Void> runAfterEither
4739	>	(CompletionStage<?> other,
4740	>	Runnable action) {
4741	>	return cf.runAfterEither(other, action); }
4742	>	public CompletionStage<Void> runAfterEitherAsync
4743	>	(CompletionStage<?> other,
4744	>	Runnable action) {
4745	>	return cf.runAfterEitherAsync(other, action); }
4746	>	public CompletionStage<Void> runAfterEitherAsync
4747	>	(CompletionStage<?> other,
4748	>	Runnable action,
4749	>	Executor executor) {
4750	>	return cf.runAfterEitherAsync(other, action, executor); }
4751	>	public <U> CompletionStage<U> thenCompose
4752	>	(Function<? super T, ? extends CompletionStage<U>> fn) {
4753	>	return cf.thenCompose(fn); }
4754	>	public <U> CompletionStage<U> thenComposeAsync
4755	>	(Function<? super T, ? extends CompletionStage<U>> fn) {
4756	>	return cf.thenComposeAsync(fn); }
4757	>	public <U> CompletionStage<U> thenComposeAsync
4758	>	(Function<? super T, ? extends CompletionStage<U>> fn,
4759	>	Executor executor) {
4760	>	return cf.thenComposeAsync(fn, executor); }
4761	>	public <U> CompletionStage<U> handle
4762	>	(BiFunction<? super T, Throwable, ? extends U> fn) {
4763	>	return cf.handle(fn); }
4764	>	public <U> CompletionStage<U> handleAsync
4765	>	(BiFunction<? super T, Throwable, ? extends U> fn) {
4766	>	return cf.handleAsync(fn); }
4767	>	public <U> CompletionStage<U> handleAsync
4768	>	(BiFunction<? super T, Throwable, ? extends U> fn,
4769	>	Executor executor) {
4770	>	return cf.handleAsync(fn, executor); }
4771	>	public CompletionStage<T> whenComplete
4772	>	(BiConsumer<? super T, ? super Throwable> action) {
4773	>	return cf.whenComplete(action); }
4774	>	public CompletionStage<T> whenCompleteAsync
4775	>	(BiConsumer<? super T, ? super Throwable> action) {
4776	>	return cf.whenCompleteAsync(action); }
4777	>	public CompletionStage<T> whenCompleteAsync
4778	>	(BiConsumer<? super T, ? super Throwable> action,
4779	>	Executor executor) {
4780	>	return cf.whenCompleteAsync(action, executor); }
4781	>	public CompletionStage<T> exceptionally
4782	>	(Function<Throwable, ? extends T> fn) {
4783	>	return cf.exceptionally(fn); }
4784	>	}
4785	>
4786	>	/**
4787	>	* default-implemented exceptionallyAsync action completes with
4788	>	* function value on source exception
4789	>	*/
4790	>	public void testDefaulExceptionallyAsync_exceptionalCompletion() {
4791	>	for (boolean createIncomplete : new boolean[] { true, false })
4792	>	for (Integer v1 : new Integer[] { 1, null })
4793	>	{
4794	>	final AtomicInteger a = new AtomicInteger(0);
4795	>	final CFException ex = new CFException();
4796	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4797	>	final DelegatedCompletionStage<Integer> d =
4798	>	new DelegatedCompletionStage<Integer>(f);
4799	>	if (!createIncomplete) f.completeExceptionally(ex);
4800	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4801	>	((Throwable t) -> {
4802	>	threadAssertSame(t, ex);
4803	>	a.getAndIncrement();
4804	>	return v1;
4805	>	});
4806	>	if (createIncomplete) f.completeExceptionally(ex);
4807	>
4808	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4809	>	assertEquals(1, a.get());
4810	>	}}
4811	>
4812	>	/**
4813	>	* Under default implementation, if an "exceptionally action"
4814	>	* throws an exception, it completes exceptionally with that
4815	>	* exception
4816	>	*/
4817	>	public void testDefaulExceptionallyAsync_exceptionalCompletionActionFailed() {
4818	>	for (boolean createIncomplete : new boolean[] { true, false })
4819	>	{
4820	>	final AtomicInteger a = new AtomicInteger(0);
4821	>	final CFException ex1 = new CFException();
4822	>	final CFException ex2 = new CFException();
4823	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4824	>	final DelegatedCompletionStage<Integer> d =
4825	>	new DelegatedCompletionStage<Integer>(f);
4826	>	if (!createIncomplete) f.completeExceptionally(ex1);
4827	>	final CompletionStage<Integer> g = d.exceptionallyAsync
4828	>	((Throwable t) -> {
4829	>	threadAssertSame(t, ex1);
4830	>	a.getAndIncrement();
4831	>	throw ex2;
4832	>	});
4833	>	if (createIncomplete) f.completeExceptionally(ex1);
4834	>
4835	>	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4836	>	checkCompletedExceptionally(f, ex1);
4837	>	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4838	>	assertEquals(1, a.get());
4839	>	}}
4840	>
4841	>	/**
4842	>	* default exceptionallyCompose result completes normally after normal
4843	>	* completion of source
4844	>	*/
4845	>	public void testDefaultExceptionallyCompose_normalCompletion() {
4846	>	for (boolean createIncomplete : new boolean[] { true, false })
4847	>	for (Integer v1 : new Integer[] { 1, null })
4848	>	{
4849	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4850	>	final ExceptionalCompletableFutureFunction r =
4851	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4852	>	final DelegatedCompletionStage<Integer> d =
4853	>	new DelegatedCompletionStage<Integer>(f);
4854	>	if (!createIncomplete) assertTrue(f.complete(v1));
4855	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4856	>	if (createIncomplete) assertTrue(f.complete(v1));
4857	>
4858	>	checkCompletedNormally(f, v1);
4859	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4860	>	r.assertNotInvoked();
4861	>	}}
4862	>
4863	>	/**
4864	>	* default-implemented exceptionallyCompose result completes
4865	>	* normally after exceptional completion of source
4866	>	*/
4867	>	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4868	>	for (boolean createIncomplete : new boolean[] { true, false })
4869	>	{
4870	>	final CFException ex = new CFException();
4871	>	final ExceptionalCompletableFutureFunction r =
4872	>	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4873	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4874	>	final DelegatedCompletionStage<Integer> d =
4875	>	new DelegatedCompletionStage<Integer>(f);
4876	>	if (!createIncomplete) f.completeExceptionally(ex);
4877	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4878	>	if (createIncomplete) f.completeExceptionally(ex);
4879	>
4880	>	checkCompletedExceptionally(f, ex);
4881	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
4882	>	r.assertInvoked();
4883	>	}}
4884	>
4885	>	/**
4886	>	* default-implemented exceptionallyCompose completes
4887	>	* exceptionally on exception if action does
4888	>	*/
4889	>	public void testDefaultExceptionallyCompose_actionFailed() {
4890	>	for (boolean createIncomplete : new boolean[] { true, false })
4891	>	for (Integer v1 : new Integer[] { 1, null })
4892	>	{
4893	>	final CFException ex = new CFException();
4894	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4895	>	final FailingExceptionalCompletableFutureFunction r
4896	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4897	>	final DelegatedCompletionStage<Integer> d =
4898	>	new DelegatedCompletionStage<Integer>(f);
4899	>	if (!createIncomplete) f.completeExceptionally(ex);
4900	>	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4901	>	if (createIncomplete) f.completeExceptionally(ex);
4902	>
4903	>	checkCompletedExceptionally(f, ex);
4904	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4905	>	r.assertInvoked();
4906	>	}}
4907	>
4908	>	/**
4909	>	* default exceptionallyComposeAsync result completes normally after normal
4910	>	* completion of source
4911	>	*/
4912	>	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4913	>	for (boolean createIncomplete : new boolean[] { true, false })
4914	>	for (Integer v1 : new Integer[] { 1, null })
4915	>	{
4916	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4917	>	final ExceptionalCompletableFutureFunction r =
4918	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4919	>	final DelegatedCompletionStage<Integer> d =
4920	>	new DelegatedCompletionStage<Integer>(f);
4921	>	if (!createIncomplete) assertTrue(f.complete(v1));
4922	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4923	>	if (createIncomplete) assertTrue(f.complete(v1));
4924	>
4925	>	checkCompletedNormally(f, v1);
4926	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4927	>	r.assertNotInvoked();
4928	>	}}
4929	>
4930	>	/**
4931	>	* default-implemented exceptionallyComposeAsync result completes
4932	>	* normally after exceptional completion of source
4933	>	*/
4934	>	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
4935	>	for (boolean createIncomplete : new boolean[] { true, false })
4936	>	{
4937	>	final CFException ex = new CFException();
4938	>	final ExceptionalCompletableFutureFunction r =
4939	>	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4940	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4941	>	final DelegatedCompletionStage<Integer> d =
4942	>	new DelegatedCompletionStage<Integer>(f);
4943	>	if (!createIncomplete) f.completeExceptionally(ex);
4944	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4945	>	if (createIncomplete) f.completeExceptionally(ex);
4946	>
4947	>	checkCompletedExceptionally(f, ex);
4948	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
4949	>	r.assertInvoked();
4950	>	}}
4951	>
4952	>	/**
4953	>	* default-implemented exceptionallyComposeAsync completes
4954	>	* exceptionally on exception if action does
4955	>	*/
4956	>	public void testDefaultExceptionallyComposeAsync_actionFailed() {
4957	>	for (boolean createIncomplete : new boolean[] { true, false })
4958	>	for (Integer v1 : new Integer[] { 1, null })
4959	>	{
4960	>	final CFException ex = new CFException();
4961	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4962	>	final FailingExceptionalCompletableFutureFunction r
4963	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4964	>	final DelegatedCompletionStage<Integer> d =
4965	>	new DelegatedCompletionStage<Integer>(f);
4966	>	if (!createIncomplete) f.completeExceptionally(ex);
4967	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4968	>	if (createIncomplete) f.completeExceptionally(ex);
4969	>
4970	>	checkCompletedExceptionally(f, ex);
4971	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4972	>	r.assertInvoked();
4973	>	}}
4974	>
4975	>
4976	>	/**
4977	>	* default exceptionallyComposeAsync result completes normally after normal
4978	>	* completion of source
4979	>	*/
4980	>	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
4981	>	for (boolean createIncomplete : new boolean[] { true, false })
4982	>	for (Integer v1 : new Integer[] { 1, null })
4983	>	{
4984	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
4985	>	final ExceptionalCompletableFutureFunction r =
4986	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
4987	>	final DelegatedCompletionStage<Integer> d =
4988	>	new DelegatedCompletionStage<Integer>(f);
4989	>	if (!createIncomplete) assertTrue(f.complete(v1));
4990	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r,  new ThreadExecutor());
4991	>	if (createIncomplete) assertTrue(f.complete(v1));
4992	>
4993	>	checkCompletedNormally(f, v1);
4994	>	checkCompletedNormally(g.toCompletableFuture(), v1);
4995	>	r.assertNotInvoked();
4996	>	}}
4997	>
4998	>	/**
4999	>	* default-implemented exceptionallyComposeAsync result completes
5000	>	* normally after exceptional completion of source
5001	>	*/
5002	>	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5003	>	for (boolean createIncomplete : new boolean[] { true, false })
5004	>	{
5005	>	final CFException ex = new CFException();
5006	>	final ExceptionalCompletableFutureFunction r =
5007	>	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5008	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5009	>	final DelegatedCompletionStage<Integer> d =
5010	>	new DelegatedCompletionStage<Integer>(f);
5011	>	if (!createIncomplete) f.completeExceptionally(ex);
5012	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r,  new ThreadExecutor());
5013	>	if (createIncomplete) f.completeExceptionally(ex);
5014	>
5015	>	checkCompletedExceptionally(f, ex);
5016	>	checkCompletedNormally(g.toCompletableFuture(), r.value);
5017	>	r.assertInvoked();
5018	>	}}
5019	>
5020	>	/**
5021	>	* default-implemented exceptionallyComposeAsync completes
5022	>	* exceptionally on exception if action does
5023	>	*/
5024	>	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5025	>	for (boolean createIncomplete : new boolean[] { true, false })
5026	>	for (Integer v1 : new Integer[] { 1, null })
5027	>	{
5028	>	final CFException ex = new CFException();
5029	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
5030	>	final FailingExceptionalCompletableFutureFunction r
5031	>	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5032	>	final DelegatedCompletionStage<Integer> d =
5033	>	new DelegatedCompletionStage<Integer>(f);
5034	>	if (!createIncomplete) f.completeExceptionally(ex);
5035	>	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r,  new ThreadExecutor());
5036	>	if (createIncomplete) f.completeExceptionally(ex);
5037	>
5038	>	checkCompletedExceptionally(f, ex);
5039	>	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5040	>	r.assertInvoked();
5041	>	}}
5042
5043		}

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