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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.136 by jsr166, Sun Nov 15 20:17:11 2015 UTC vs.
Revision 1.209 by jsr166, Sun Sep 23 17:02:24 2018 UTC

#	Line 30 | Line 30 | import java.util.concurrent.ExecutionExc
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;
34	–	import java.util.concurrent.TimeUnit;
35		import java.util.concurrent.atomic.AtomicInteger;
36		import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
#	Line 41 | Line 41 | import java.util.function.Function;
41		import java.util.function.Predicate;
42		import java.util.function.Supplier;
43
44	–	import junit.framework.AssertionFailedError;
44		import junit.framework.Test;
45		import junit.framework.TestSuite;
46
#	Line 59 | 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	<	checkTimedGet(f, value);
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.join());
79	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
80	<	try {
81	<	assertEquals(value, f.getNow(null));
82	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
83	<	try {
84	<	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		/**
96		* Returns the "raw" internal exceptional completion of f,
97		* without any additional wrapping with CompletionException.
98		*/
99	<	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
100	<	// handle (and whenComplete) can distinguish between "direct"
101	<	// and "wrapped" exceptional completion
102	<	return f.handle((U u, Throwable t) -> t).join();
99	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
100	>	// handle (and whenComplete and exceptionally) can distinguish
101	>	// between "direct" and "wrapped" exceptional completion
102	>	return f.handle((u, t) -> t).join();
103		}
104
105		void checkCompletedExceptionally(CompletableFuture<?> f,
#	Line 142 | Line 145 | public class CompletableFutureTest exten
145		assertFalse(f.isCancelled());
146		assertTrue(f.isDone());
147		assertTrue(f.isCompletedExceptionally());
148	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
148	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
149		}
150
151		void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
152		checkCompletedExceptionally(f, true,
153	<	(t) -> assertTrue(t instanceof CFException));
153	>	t -> assertTrue(t instanceof CFException));
154		}
155
156		void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
157		checkCompletedExceptionally(f, true,
158	<	(t) -> assertTrue(t instanceof CancellationException));
158	>	t -> assertTrue(t instanceof CancellationException));
159		}
160
161		void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
162		checkCompletedExceptionally(f, false,
163	<	(t) -> assertTrue(t instanceof TimeoutException));
163	>	t -> assertTrue(t instanceof TimeoutException));
164		}
165
166		void checkCompletedWithWrappedException(CompletableFuture<?> f,
167		Throwable ex) {
168	<	checkCompletedExceptionally(f, true, (t) -> assertSame(t, 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));
172	>	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
173		}
174
175		void checkCancelled(CompletableFuture<?> f) {
#	Line 197 | Line 200 | public class CompletableFutureTest exten
200		assertTrue(f.isDone());
201		assertTrue(f.isCompletedExceptionally());
202		assertTrue(f.isCancelled());
203	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
203	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
204		}
205
206		/**
#	Line 296 | 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 333 | 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 361 | 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 373 | 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 382 | 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 401 | 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 411 | 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 429 | 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 439 | 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 449 | 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	<	class CompletableFutureInc extends CheckedIntegerAction
547	>	static class CompletableFutureInc extends CheckedIntegerAction
548		implements Function<Integer, CompletableFuture<Integer>>
549		{
550		CompletableFutureInc(ExecutionMode m) { super(m); }
551		public CompletableFuture<Integer> apply(Integer x) {
552		invoked();
553		value = x;
554	<	CompletableFuture<Integer> f = new CompletableFuture<>();
529	<	assertTrue(f.complete(inc(x)));
530	<	return f;
554	>	return CompletableFuture.completedFuture(inc(x));
555		}
556		}
557
558	<	class FailingCompletableFutureFunction extends CheckedIntegerAction
558	>	static class FailingExceptionalCompletableFutureFunction extends CheckedAction
559	>	implements Function<Throwable, CompletableFuture<Integer>>
560	>	{
561	>	final CFException ex;
562	>	FailingExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
563	>	public CompletableFuture<Integer> apply(Throwable x) {
564	>	invoked();
565	>	throw ex;
566	>	}
567	>	}
568	>
569	>	static class ExceptionalCompletableFutureFunction extends CheckedAction
570	>	implements Function<Throwable, CompletionStage<Integer>> {
571	>	final Integer value = 3;
572	>	ExceptionalCompletableFutureFunction(ExecutionMode m) { super(m); }
573	>	public CompletionStage<Integer> apply(Throwable x) {
574	>	invoked();
575	>	return CompletableFuture.completedFuture(value);
576	>	}
577	>	}
578	>
579	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
580		implements Function<Integer, CompletableFuture<Integer>>
581		{
582	<	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
582	>	final CFException ex;
583	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
584		public CompletableFuture<Integer> apply(Integer x) {
585		invoked();
586		value = x;
587	<	throw new CFException();
587	>	throw ex;
588	>	}
589	>	}
590	>
591	>	static class CountingRejectingExecutor implements Executor {
592	>	final RejectedExecutionException ex = new RejectedExecutionException();
593	>	final AtomicInteger count = new AtomicInteger(0);
594	>	public void execute(Runnable r) {
595	>	count.getAndIncrement();
596	>	throw ex;
597		}
598		}
599
#	Line 636 | Line 691 | public class CompletableFutureTest exten
691		Function<? super T,U> a) {
692		return f.applyToEither(g, a);
693		}
694	+	public <T> CompletableFuture<T> exceptionally
695	+	(CompletableFuture<T> f,
696	+	Function<Throwable, ? extends T> fn) {
697	+	return f.exceptionally(fn);
698	+	}
699	+	public <T> CompletableFuture<T> exceptionallyCompose
700	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
701	+	return f.exceptionallyCompose(fn);
702	+	}
703		},
640	–
704		ASYNC {
705		public void checkExecutionMode() {
706		assertEquals(defaultExecutorIsCommonPool,
#	Line 710 | Line 773 | public class CompletableFutureTest exten
773		Function<? super T,U> a) {
774		return f.applyToEitherAsync(g, a);
775		}
776	+	public <T> CompletableFuture<T> exceptionally
777	+	(CompletableFuture<T> f,
778	+	Function<Throwable, ? extends T> fn) {
779	+	return f.exceptionallyAsync(fn);
780	+	}
781	+
782	+	public <T> CompletableFuture<T> exceptionallyCompose
783	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
784	+	return f.exceptionallyComposeAsync(fn);
785	+	}
786	+
787		},
788
789		EXECUTOR {
#	Line 783 | Line 857 | public class CompletableFutureTest exten
857		Function<? super T,U> a) {
858		return f.applyToEitherAsync(g, a, new ThreadExecutor());
859		}
860	+	public <T> CompletableFuture<T> exceptionally
861	+	(CompletableFuture<T> f,
862	+	Function<Throwable, ? extends T> fn) {
863	+	return f.exceptionallyAsync(fn, new ThreadExecutor());
864	+	}
865	+	public <T> CompletableFuture<T> exceptionallyCompose
866	+	(CompletableFuture<T> f, Function<Throwable, ? extends CompletionStage<T>> fn) {
867	+	return f.exceptionallyComposeAsync(fn, new ThreadExecutor());
868	+	}
869	+
870		};
871
872		public abstract void checkExecutionMode();
#	Line 825 | Line 909 | public class CompletableFutureTest exten
909		(CompletableFuture<T> f,
910		CompletionStage<? extends T> g,
911		Function<? super T,U> a);
912	+	public abstract <T> CompletableFuture<T> exceptionally
913	+	(CompletableFuture<T> f,
914	+	Function<Throwable, ? extends T> fn);
915	+	public abstract <T> CompletableFuture<T> exceptionallyCompose
916	+	(CompletableFuture<T> f,
917	+	Function<Throwable, ? extends CompletionStage<T>> fn);
918		}
919
920		/**
#	Line 832 | Line 922 | public class CompletableFutureTest exten
922		* normally, and source result is propagated
923		*/
924		public void testExceptionally_normalCompletion() {
925	+	for (ExecutionMode m : ExecutionMode.values())
926		for (boolean createIncomplete : new boolean[] { true, false })
927		for (Integer v1 : new Integer[] { 1, null })
928		{
838	–	final AtomicInteger a = new AtomicInteger(0);
929		final CompletableFuture<Integer> f = new CompletableFuture<>();
930		if (!createIncomplete) assertTrue(f.complete(v1));
931	<	final CompletableFuture<Integer> g = f.exceptionally
932	<	((Throwable t) -> {
843	<	a.getAndIncrement();
931	>	final CompletableFuture<Integer> g = m.exceptionally
932	>	(f, (Throwable t) -> {
933		threadFail("should not be called");
934		return null;            // unreached
935		});
#	Line 848 | Line 937 | public class CompletableFutureTest exten
937
938		checkCompletedNormally(g, v1);
939		checkCompletedNormally(f, v1);
851	–	assertEquals(0, a.get());
940		}}
941
942		/**
#	Line 856 | Line 944 | public class CompletableFutureTest exten
944		* exception
945		*/
946		public void testExceptionally_exceptionalCompletion() {
947	+	for (ExecutionMode m : ExecutionMode.values())
948		for (boolean createIncomplete : new boolean[] { true, false })
949		for (Integer v1 : new Integer[] { 1, null })
950		{
#	Line 863 | Line 952 | public class CompletableFutureTest exten
952		final CFException ex = new CFException();
953		final CompletableFuture<Integer> f = new CompletableFuture<>();
954		if (!createIncomplete) f.completeExceptionally(ex);
955	<	final CompletableFuture<Integer> g = f.exceptionally
956	<	((Throwable t) -> {
957	<	ExecutionMode.SYNC.checkExecutionMode();
955	>	final CompletableFuture<Integer> g = m.exceptionally
956	>	(f, (Throwable t) -> {
957	>	m.checkExecutionMode();
958		threadAssertSame(t, ex);
959		a.getAndIncrement();
960		return v1;
#	Line 881 | Line 970 | public class CompletableFutureTest exten
970		* exceptionally with that exception
971		*/
972		public void testExceptionally_exceptionalCompletionActionFailed() {
973	+	for (ExecutionMode m : ExecutionMode.values())
974		for (boolean createIncomplete : new boolean[] { true, false })
975		{
976		final AtomicInteger a = new AtomicInteger(0);
#	Line 888 | Line 978 | public class CompletableFutureTest exten
978		final CFException ex2 = new CFException();
979		final CompletableFuture<Integer> f = new CompletableFuture<>();
980		if (!createIncomplete) f.completeExceptionally(ex1);
981	<	final CompletableFuture<Integer> g = f.exceptionally
982	<	((Throwable t) -> {
983	<	ExecutionMode.SYNC.checkExecutionMode();
981	>	final CompletableFuture<Integer> g = m.exceptionally
982	>	(f, (Throwable t) -> {
983	>	m.checkExecutionMode();
984		threadAssertSame(t, ex1);
985		a.getAndIncrement();
986		throw ex2;
#	Line 1040 | Line 1130 | public class CompletableFutureTest exten
1130
1131		checkCompletedWithWrappedException(g, ex1);
1132		checkCompletedExceptionally(f, ex1);
1133	+	if (testImplementationDetails) {
1134	+	assertEquals(1, ex1.getSuppressed().length);
1135	+	assertSame(ex2, ex1.getSuppressed()[0]);
1136	+	}
1137		assertEquals(1, a.get());
1138		}}
1139
#	Line 1218 | Line 1312 | public class CompletableFutureTest exten
1312		{
1313		final FailingRunnable r = new FailingRunnable(m);
1314		final CompletableFuture<Void> f = m.runAsync(r);
1315	<	checkCompletedWithWrappedCFException(f);
1315	>	checkCompletedWithWrappedException(f, r.ex);
1316		r.assertInvoked();
1317		}}
1318
1319	+	@SuppressWarnings("FutureReturnValueIgnored")
1320	+	public void testRunAsync_rejectingExecutor() {
1321	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1322	+	try {
1323	+	CompletableFuture.runAsync(() -> {}, e);
1324	+	shouldThrow();
1325	+	} catch (Throwable t) {
1326	+	assertSame(e.ex, t);
1327	+	}
1328	+
1329	+	assertEquals(1, e.count.get());
1330	+	}
1331	+
1332		/**
1333		* supplyAsync completes with result of supplier
1334		*/
#	Line 1252 | Line 1359 | public class CompletableFutureTest exten
1359		{
1360		FailingSupplier r = new FailingSupplier(m);
1361		CompletableFuture<Integer> f = m.supplyAsync(r);
1362	<	checkCompletedWithWrappedCFException(f);
1362	>	checkCompletedWithWrappedException(f, r.ex);
1363		r.assertInvoked();
1364		}}
1365
1366	+	@SuppressWarnings("FutureReturnValueIgnored")
1367	+	public void testSupplyAsync_rejectingExecutor() {
1368	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1369	+	try {
1370	+	CompletableFuture.supplyAsync(() -> null, e);
1371	+	shouldThrow();
1372	+	} catch (Throwable t) {
1373	+	assertSame(e.ex, t);
1374	+	}
1375	+
1376	+	assertEquals(1, e.count.get());
1377	+	}
1378	+
1379		// seq completion methods
1380
1381		/**
#	Line 1374 | Line 1494 | public class CompletableFutureTest exten
1494		final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1495		final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1496
1497	<	checkCompletedWithWrappedCFException(h0);
1498	<	checkCompletedWithWrappedCFException(h1);
1499	<	checkCompletedWithWrappedCFException(h2);
1500	<	checkCompletedWithWrappedCFException(h3);
1501	<	checkCompletedWithWrappedCFException(h4);
1502	<	checkCompletedWithWrappedCFException(h5);
1497	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1498	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1499	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1500	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1501	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1502	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1503		checkCompletedNormally(f, v1);
1504		}}
1505
#	Line 1478 | Line 1598 | public class CompletableFutureTest exten
1598		final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1599		final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1600
1601	<	checkCompletedWithWrappedCFException(h0);
1602	<	checkCompletedWithWrappedCFException(h1);
1603	<	checkCompletedWithWrappedCFException(h2);
1604	<	checkCompletedWithWrappedCFException(h3);
1601	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1602	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1603	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1604	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1605		checkCompletedNormally(f, v1);
1606		}}
1607
#	Line 1580 | Line 1700 | public class CompletableFutureTest exten
1700		final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1701		final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1702
1703	<	checkCompletedWithWrappedCFException(h0);
1704	<	checkCompletedWithWrappedCFException(h1);
1705	<	checkCompletedWithWrappedCFException(h2);
1706	<	checkCompletedWithWrappedCFException(h3);
1703	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1704	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1705	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1706	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1707		checkCompletedNormally(f, v1);
1708		}}
1709
#	Line 1745 | Line 1865 | public class CompletableFutureTest exten
1865		assertTrue(snd.complete(w2));
1866		final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1867
1868	<	checkCompletedWithWrappedCFException(h1);
1869	<	checkCompletedWithWrappedCFException(h2);
1870	<	checkCompletedWithWrappedCFException(h3);
1868	>	checkCompletedWithWrappedException(h1, r1.ex);
1869	>	checkCompletedWithWrappedException(h2, r2.ex);
1870	>	checkCompletedWithWrappedException(h3, r3.ex);
1871		r1.assertInvoked();
1872		r2.assertInvoked();
1873		r3.assertInvoked();
#	Line 1909 | Line 2029 | public class CompletableFutureTest exten
2029		assertTrue(snd.complete(w2));
2030		final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2031
2032	<	checkCompletedWithWrappedCFException(h1);
2033	<	checkCompletedWithWrappedCFException(h2);
2034	<	checkCompletedWithWrappedCFException(h3);
2032	>	checkCompletedWithWrappedException(h1, r1.ex);
2033	>	checkCompletedWithWrappedException(h2, r2.ex);
2034	>	checkCompletedWithWrappedException(h3, r3.ex);
2035		r1.assertInvoked();
2036		r2.assertInvoked();
2037		r3.assertInvoked();
#	Line 2073 | Line 2193 | public class CompletableFutureTest exten
2193		assertTrue(snd.complete(w2));
2194		final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2195
2196	<	checkCompletedWithWrappedCFException(h1);
2197	<	checkCompletedWithWrappedCFException(h2);
2198	<	checkCompletedWithWrappedCFException(h3);
2196	>	checkCompletedWithWrappedException(h1, r1.ex);
2197	>	checkCompletedWithWrappedException(h2, r2.ex);
2198	>	checkCompletedWithWrappedException(h3, r3.ex);
2199		r1.assertInvoked();
2200		r2.assertInvoked();
2201		r3.assertInvoked();
#	Line 2365 | Line 2485 | public class CompletableFutureTest exten
2485		f.complete(v1);
2486		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2487		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2488	<	checkCompletedWithWrappedCFException(h0);
2489	<	checkCompletedWithWrappedCFException(h1);
2490	<	checkCompletedWithWrappedCFException(h2);
2491	<	checkCompletedWithWrappedCFException(h3);
2488	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2489	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2490	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2491	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2492		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2493
2494		g.complete(v2);
#	Line 2377 | Line 2497 | public class CompletableFutureTest exten
2497		final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2498		final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2499
2500	<	checkCompletedWithWrappedCFException(h4);
2500	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2501		assertTrue(Objects.equals(v1, rs[4].value) ||
2502		Objects.equals(v2, rs[4].value));
2503	<	checkCompletedWithWrappedCFException(h5);
2503	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2504		assertTrue(Objects.equals(v1, rs[5].value) ||
2505		Objects.equals(v2, rs[5].value));
2506
#	Line 2518 | Line 2638 | public class CompletableFutureTest exten
2638
2639		// unspecified behavior - both source completions available
2640		try {
2641	<	assertEquals(null, h0.join());
2641	>	assertNull(h0.join());
2642		rs[0].assertValue(v1);
2643		} catch (CompletionException ok) {
2644		checkCompletedWithWrappedException(h0, ex);
2645		rs[0].assertNotInvoked();
2646		}
2647		try {
2648	<	assertEquals(null, h1.join());
2648	>	assertNull(h1.join());
2649		rs[1].assertValue(v1);
2650		} catch (CompletionException ok) {
2651		checkCompletedWithWrappedException(h1, ex);
2652		rs[1].assertNotInvoked();
2653		}
2654		try {
2655	<	assertEquals(null, h2.join());
2655	>	assertNull(h2.join());
2656		rs[2].assertValue(v1);
2657		} catch (CompletionException ok) {
2658		checkCompletedWithWrappedException(h2, ex);
2659		rs[2].assertNotInvoked();
2660		}
2661		try {
2662	<	assertEquals(null, h3.join());
2662	>	assertNull(h3.join());
2663		rs[3].assertValue(v1);
2664		} catch (CompletionException ok) {
2665		checkCompletedWithWrappedException(h3, ex);
#	Line 2624 | Line 2744 | public class CompletableFutureTest exten
2744		f.complete(v1);
2745		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2746		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2747	<	checkCompletedWithWrappedCFException(h0);
2748	<	checkCompletedWithWrappedCFException(h1);
2749	<	checkCompletedWithWrappedCFException(h2);
2750	<	checkCompletedWithWrappedCFException(h3);
2747	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2748	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2749	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2750	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2751		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2752
2753		g.complete(v2);
#	Line 2636 | Line 2756 | public class CompletableFutureTest exten
2756		final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2757		final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2758
2759	<	checkCompletedWithWrappedCFException(h4);
2759	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2760		assertTrue(Objects.equals(v1, rs[4].value) ||
2761		Objects.equals(v2, rs[4].value));
2762	<	checkCompletedWithWrappedCFException(h5);
2762	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2763		assertTrue(Objects.equals(v1, rs[5].value) ||
2764		Objects.equals(v2, rs[5].value));
2765
#	Line 2655 | Line 2775 | public class CompletableFutureTest exten
2775		for (ExecutionMode m : ExecutionMode.values())
2776		for (Integer v1 : new Integer[] { 1, null })
2777		for (Integer v2 : new Integer[] { 2, null })
2778	+	for (boolean pushNop : new boolean[] { true, false })
2779		{
2780		final CompletableFuture<Integer> f = new CompletableFuture<>();
2781		final CompletableFuture<Integer> g = new CompletableFuture<>();
#	Line 2667 | Line 2788 | public class CompletableFutureTest exten
2788		checkIncomplete(h1);
2789		rs[0].assertNotInvoked();
2790		rs[1].assertNotInvoked();
2791	+	if (pushNop) {          // ad hoc test of intra-completion interference
2792	+	m.thenRun(f, () -> {});
2793	+	m.thenRun(g, () -> {});
2794	+	}
2795		f.complete(v1);
2796		checkCompletedNormally(h0, null);
2797		checkCompletedNormally(h1, null);
#	Line 2773 | Line 2898 | public class CompletableFutureTest exten
2898
2899		// unspecified behavior - both source completions available
2900		try {
2901	<	assertEquals(null, h0.join());
2901	>	assertNull(h0.join());
2902		rs[0].assertInvoked();
2903		} catch (CompletionException ok) {
2904		checkCompletedWithWrappedException(h0, ex);
2905		rs[0].assertNotInvoked();
2906		}
2907		try {
2908	<	assertEquals(null, h1.join());
2908	>	assertNull(h1.join());
2909		rs[1].assertInvoked();
2910		} catch (CompletionException ok) {
2911		checkCompletedWithWrappedException(h1, ex);
2912		rs[1].assertNotInvoked();
2913		}
2914		try {
2915	<	assertEquals(null, h2.join());
2915	>	assertNull(h2.join());
2916		rs[2].assertInvoked();
2917		} catch (CompletionException ok) {
2918		checkCompletedWithWrappedException(h2, ex);
2919		rs[2].assertNotInvoked();
2920		}
2921		try {
2922	<	assertEquals(null, h3.join());
2922	>	assertNull(h3.join());
2923		rs[3].assertInvoked();
2924		} catch (CompletionException ok) {
2925		checkCompletedWithWrappedException(h3, ex);
#	Line 2879 | Line 3004 | public class CompletableFutureTest exten
3004		assertTrue(f.complete(v1));
3005		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
3006		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
3007	<	checkCompletedWithWrappedCFException(h0);
3008	<	checkCompletedWithWrappedCFException(h1);
3009	<	checkCompletedWithWrappedCFException(h2);
3010	<	checkCompletedWithWrappedCFException(h3);
3007	>	checkCompletedWithWrappedException(h0, rs[0].ex);
3008	>	checkCompletedWithWrappedException(h1, rs[1].ex);
3009	>	checkCompletedWithWrappedException(h2, rs[2].ex);
3010	>	checkCompletedWithWrappedException(h3, rs[3].ex);
3011		for (int i = 0; i < 4; i++) rs[i].assertInvoked();
3012		assertTrue(g.complete(v2));
3013		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
3014		final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
3015	<	checkCompletedWithWrappedCFException(h4);
3016	<	checkCompletedWithWrappedCFException(h5);
3015	>	checkCompletedWithWrappedException(h4, rs[4].ex);
3016	>	checkCompletedWithWrappedException(h5, rs[5].ex);
3017
3018		checkCompletedNormally(f, v1);
3019		checkCompletedNormally(g, v2);
#	Line 2949 | Line 3074 | public class CompletableFutureTest exten
3074		final CompletableFuture<Integer> g = m.thenCompose(f, r);
3075		if (createIncomplete) assertTrue(f.complete(v1));
3076
3077	<	checkCompletedWithWrappedCFException(g);
3077	>	checkCompletedWithWrappedException(g, r.ex);
3078		checkCompletedNormally(f, v1);
3079		}}
3080
#	Line 3026 | Line 3151 | public class CompletableFutureTest exten
3151		checkCompletedNormally(f, v1);
3152		}}
3153
3154	+	/**
3155	+	* exceptionallyCompose result completes normally after normal
3156	+	* completion of source
3157	+	*/
3158	+	public void testExceptionallyCompose_normalCompletion() {
3159	+	for (ExecutionMode m : ExecutionMode.values())
3160	+	for (boolean createIncomplete : new boolean[] { true, false })
3161	+	for (Integer v1 : new Integer[] { 1, null })
3162	+	{
3163	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3164	+	final ExceptionalCompletableFutureFunction r =
3165	+	new ExceptionalCompletableFutureFunction(m);
3166	+	if (!createIncomplete) assertTrue(f.complete(v1));
3167	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3168	+	if (createIncomplete) assertTrue(f.complete(v1));
3169	+
3170	+	if (!createIncomplete && testImplementationDetails)
3171	+	assertSame(f, g);   // an optimization
3172	+
3173	+	checkCompletedNormally(f, v1);
3174	+	checkCompletedNormally(g, v1);
3175	+	r.assertNotInvoked();
3176	+	}}
3177	+
3178	+	/**
3179	+	* exceptionallyCompose result completes normally after exceptional
3180	+	* completion of source
3181	+	*/
3182	+	public void testExceptionallyCompose_exceptionalCompletion() {
3183	+	for (ExecutionMode m : ExecutionMode.values())
3184	+	for (boolean createIncomplete : new boolean[] { true, false })
3185	+	{
3186	+	final CFException ex = new CFException();
3187	+	final ExceptionalCompletableFutureFunction r =
3188	+	new ExceptionalCompletableFutureFunction(m);
3189	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3190	+	if (!createIncomplete) f.completeExceptionally(ex);
3191	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3192	+	if (createIncomplete) f.completeExceptionally(ex);
3193	+
3194	+	checkCompletedExceptionally(f, ex);
3195	+	checkCompletedNormally(g, r.value);
3196	+	r.assertInvoked();
3197	+	}}
3198	+
3199	+	/**
3200	+	* exceptionallyCompose completes exceptionally on exception if action does
3201	+	*/
3202	+	public void testExceptionallyCompose_actionFailed() {
3203	+	for (ExecutionMode m : ExecutionMode.values())
3204	+	for (boolean createIncomplete : new boolean[] { true, false })
3205	+	for (Integer v1 : new Integer[] { 1, null })
3206	+	{
3207	+	final CFException ex = new CFException();
3208	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3209	+	final FailingExceptionalCompletableFutureFunction r
3210	+	= new FailingExceptionalCompletableFutureFunction(m);
3211	+	if (!createIncomplete) f.completeExceptionally(ex);
3212	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3213	+	if (createIncomplete) f.completeExceptionally(ex);
3214	+
3215	+	checkCompletedExceptionally(f, ex);
3216	+	checkCompletedWithWrappedException(g, r.ex);
3217	+	r.assertInvoked();
3218	+	}}
3219	+
3220	+	/**
3221	+	* thenComposeExceptionally result completes exceptionally if the
3222	+	* result of the action does
3223	+	*/
3224	+	public void testExceptionallyCompose_actionReturnsFailingFuture() {
3225	+	for (ExecutionMode m : ExecutionMode.values())
3226	+	for (int order = 0; order < 6; order++)
3227	+	for (Integer v1 : new Integer[] { 1, null })
3228	+	{
3229	+	final CFException ex0 = new CFException();
3230	+	final CFException ex = new CFException();
3231	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3232	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
3233	+	final CompletableFuture<Integer> h;
3234	+	// Test all permutations of orders
3235	+	switch (order) {
3236	+	case 0:
3237	+	assertTrue(f.completeExceptionally(ex0));
3238	+	assertTrue(g.completeExceptionally(ex));
3239	+	h = m.exceptionallyCompose(f, (x -> g));
3240	+	break;
3241	+	case 1:
3242	+	assertTrue(f.completeExceptionally(ex0));
3243	+	h = m.exceptionallyCompose(f, (x -> g));
3244	+	assertTrue(g.completeExceptionally(ex));
3245	+	break;
3246	+	case 2:
3247	+	assertTrue(g.completeExceptionally(ex));
3248	+	assertTrue(f.completeExceptionally(ex0));
3249	+	h = m.exceptionallyCompose(f, (x -> g));
3250	+	break;
3251	+	case 3:
3252	+	assertTrue(g.completeExceptionally(ex));
3253	+	h = m.exceptionallyCompose(f, (x -> g));
3254	+	assertTrue(f.completeExceptionally(ex0));
3255	+	break;
3256	+	case 4:
3257	+	h = m.exceptionallyCompose(f, (x -> g));
3258	+	assertTrue(f.completeExceptionally(ex0));
3259	+	assertTrue(g.completeExceptionally(ex));
3260	+	break;
3261	+	case 5:
3262	+	h = m.exceptionallyCompose(f, (x -> g));
3263	+	assertTrue(f.completeExceptionally(ex0));
3264	+	assertTrue(g.completeExceptionally(ex));
3265	+	break;
3266	+	default: throw new AssertionError();
3267	+	}
3268	+
3269	+	checkCompletedExceptionally(g, ex);
3270	+
3271	+	// TODO: should this be: checkCompletedWithWrappedException(h, ex);
3272	+	try {
3273	+	h.join();
3274	+	shouldThrow();
3275	+	} catch (Throwable t) {
3276	+	assertSame(ex, (t instanceof CompletionException) ? t.getCause() : t);
3277	+	}
3278	+
3279	+	checkCompletedExceptionally(f, ex0);
3280	+	}}
3281	+
3282		// other static methods
3283
3284		/**
#	Line 3058 | Line 3311 | public class CompletableFutureTest exten
3311		}
3312		}
3313
3314	<	public void testAllOf_backwards() throws Exception {
3314	>	public void testAllOf_normal_backwards() throws Exception {
3315		for (int k = 1; k < 10; k++) {
3316		CompletableFuture<Integer>[] fs
3317		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
#	Line 3189 | Line 3442 | public class CompletableFutureTest exten
3442		/**
3443		* Completion methods throw NullPointerException with null arguments
3444		*/
3445	+	@SuppressWarnings("FutureReturnValueIgnored")
3446		public void testNPE() {
3447		CompletableFuture<Integer> f = new CompletableFuture<>();
3448		CompletableFuture<Integer> g = new CompletableFuture<>();
#	Line 3208 | Line 3462 | public class CompletableFutureTest exten
3462
3463		() -> f.thenApply(null),
3464		() -> f.thenApplyAsync(null),
3465	<	() -> f.thenApplyAsync((x) -> x, null),
3465	>	() -> f.thenApplyAsync(x -> x, null),
3466		() -> f.thenApplyAsync(null, exec),
3467
3468		() -> f.thenAccept(null),
3469		() -> f.thenAcceptAsync(null),
3470	<	() -> f.thenAcceptAsync((x) -> {} , null),
3470	>	() -> f.thenAcceptAsync(x -> {} , null),
3471		() -> f.thenAcceptAsync(null, exec),
3472
3473		() -> f.thenRun(null),
#	Line 3248 | Line 3502 | public class CompletableFutureTest exten
3502		() -> f.applyToEither(g, null),
3503		() -> f.applyToEitherAsync(g, null),
3504		() -> f.applyToEitherAsync(g, null, exec),
3505	<	() -> f.applyToEither(nullFuture, (x) -> x),
3506	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3507	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3508	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3505	>	() -> f.applyToEither(nullFuture, x -> x),
3506	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3507	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3508	>	() -> f.applyToEitherAsync(g, x -> x, null),
3509
3510		() -> f.acceptEither(g, null),
3511		() -> f.acceptEitherAsync(g, null),
3512		() -> f.acceptEitherAsync(g, null, exec),
3513	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3514	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3515	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3516	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3513	>	() -> f.acceptEither(nullFuture, x -> {}),
3514	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3515	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3516	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3517
3518		() -> f.runAfterEither(g, null),
3519		() -> f.runAfterEitherAsync(g, null),
#	Line 3291 | Line 3545 | public class CompletableFutureTest exten
3545		() -> f.obtrudeException(null),
3546
3547		() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3548	<	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3548	>	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3549		() -> CompletableFuture.delayedExecutor(1L, null),
3550
3551		() -> f.orTimeout(1L, null),
#	Line 3306 | Line 3560 | public class CompletableFutureTest exten
3560		}
3561
3562		/**
3563	+	* Test submissions to an executor that rejects all tasks.
3564	+	*/
3565	+	public void testRejectingExecutor() {
3566	+	for (Integer v : new Integer[] { 1, null })
3567	+	{
3568	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3569	+
3570	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3571	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3572	+
3573	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3574	+
3575	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3576	+	srcs.add(complete);
3577	+	srcs.add(incomplete);
3578	+
3579	+	for (CompletableFuture<Integer> src : srcs) {
3580	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3581	+	fs.add(src.thenRunAsync(() -> {}, e));
3582	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3583	+	fs.add(src.thenApplyAsync(z -> z, e));
3584	+
3585	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3586	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3587	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3588	+
3589	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3590	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3591	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3592	+
3593	+	fs.add(src.thenComposeAsync(z -> null, e));
3594	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3595	+	fs.add(src.handleAsync((z, t) -> null, e));
3596	+
3597	+	for (CompletableFuture<?> future : fs) {
3598	+	if (src.isDone())
3599	+	checkCompletedWithWrappedException(future, e.ex);
3600	+	else
3601	+	checkIncomplete(future);
3602	+	}
3603	+	futures.addAll(fs);
3604	+	}
3605	+
3606	+	{
3607	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3608	+
3609	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3610	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3611	+
3612	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3613	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3614	+
3615	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3616	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3617	+
3618	+	for (CompletableFuture<?> future : fs)
3619	+	checkIncomplete(future);
3620	+	futures.addAll(fs);
3621	+	}
3622	+
3623	+	{
3624	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3625	+
3626	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3627	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3628	+
3629	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3630	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3631	+
3632	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3633	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3634	+
3635	+	for (CompletableFuture<?> future : fs)
3636	+	checkCompletedWithWrappedException(future, e.ex);
3637	+	futures.addAll(fs);
3638	+	}
3639	+
3640	+	incomplete.complete(v);
3641	+
3642	+	for (CompletableFuture<?> future : futures)
3643	+	checkCompletedWithWrappedException(future, e.ex);
3644	+
3645	+	assertEquals(futures.size(), e.count.get());
3646	+	}}
3647	+
3648	+	/**
3649	+	* Test submissions to an executor that rejects all tasks, but
3650	+	* should never be invoked because the dependent future is
3651	+	* explicitly completed.
3652	+	*/
3653	+	public void testRejectingExecutorNeverInvoked() {
3654	+	for (Integer v : new Integer[] { 1, null })
3655	+	{
3656	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3657	+
3658	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3659	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3660	+
3661	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3662	+
3663	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3664	+	srcs.add(complete);
3665	+	srcs.add(incomplete);
3666	+
3667	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3668	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3669	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3670	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3671	+
3672	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3673	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3674	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3675	+
3676	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3677	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3678	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3679	+
3680	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3681	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3682	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3683	+
3684	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3685	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3686	+
3687	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3688	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3689	+
3690	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3691	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3692	+
3693	+	for (CompletableFuture<?> future : fs)
3694	+	checkIncomplete(future);
3695	+
3696	+	for (CompletableFuture<?> future : fs)
3697	+	future.complete(null);
3698	+
3699	+	incomplete.complete(v);
3700	+
3701	+	for (CompletableFuture<?> future : fs)
3702	+	checkCompletedNormally(future, null);
3703	+
3704	+	assertEquals(0, e.count.get());
3705	+	}}
3706	+
3707	+	/**
3708		* toCompletableFuture returns this CompletableFuture.
3709		*/
3710		public void testToCompletableFuture() {
#	Line 3338 | Line 3737 | public class CompletableFutureTest exten
3737		*/
3738		public void testCompletedStage() {
3739		AtomicInteger x = new AtomicInteger(0);
3740	<	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3740	>	AtomicReference<Throwable> r = new AtomicReference<>();
3741		CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3742		f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3743		assertEquals(x.get(), 1);
#	Line 3383 | Line 3782 | public class CompletableFutureTest exten
3782		* copy returns a CompletableFuture that is completed normally,
3783		* with the same value, when source is.
3784		*/
3785	<	public void testCopy() {
3785	>	public void testCopy_normalCompletion() {
3786	>	for (boolean createIncomplete : new boolean[] { true, false })
3787	>	for (Integer v1 : new Integer[] { 1, null })
3788	>	{
3789		CompletableFuture<Integer> f = new CompletableFuture<>();
3790	+	if (!createIncomplete) assertTrue(f.complete(v1));
3791		CompletableFuture<Integer> g = f.copy();
3792	<	checkIncomplete(f);
3793	<	checkIncomplete(g);
3794	<	f.complete(1);
3795	<	checkCompletedNormally(f, 1);
3796	<	checkCompletedNormally(g, 1);
3797	<	}
3792	>	if (createIncomplete) {
3793	>	checkIncomplete(f);
3794	>	checkIncomplete(g);
3795	>	assertTrue(f.complete(v1));
3796	>	}
3797	>	checkCompletedNormally(f, v1);
3798	>	checkCompletedNormally(g, v1);
3799	>	}}
3800
3801		/**
3802		* copy returns a CompletableFuture that is completed exceptionally
3803		* when source is.
3804		*/
3805	<	public void testCopy2() {
3805	>	public void testCopy_exceptionalCompletion() {
3806	>	for (boolean createIncomplete : new boolean[] { true, false })
3807	>	{
3808	>	CFException ex = new CFException();
3809		CompletableFuture<Integer> f = new CompletableFuture<>();
3810	+	if (!createIncomplete) f.completeExceptionally(ex);
3811		CompletableFuture<Integer> g = f.copy();
3812	<	checkIncomplete(f);
3813	<	checkIncomplete(g);
3814	<	CFException ex = new CFException();
3815	<	f.completeExceptionally(ex);
3812	>	if (createIncomplete) {
3813	>	checkIncomplete(f);
3814	>	checkIncomplete(g);
3815	>	f.completeExceptionally(ex);
3816	>	}
3817		checkCompletedExceptionally(f, ex);
3818		checkCompletedWithWrappedException(g, ex);
3819	+	}}
3820	+
3821	+	/**
3822	+	* Completion of a copy does not complete its source.
3823	+	*/
3824	+	public void testCopy_oneWayPropagation() {
3825	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3826	+	assertTrue(f.copy().complete(1));
3827	+	assertTrue(f.copy().complete(null));
3828	+	assertTrue(f.copy().cancel(true));
3829	+	assertTrue(f.copy().cancel(false));
3830	+	assertTrue(f.copy().completeExceptionally(new CFException()));
3831	+	checkIncomplete(f);
3832		}
3833
3834		/**
#	Line 3416 | Line 3839 | public class CompletableFutureTest exten
3839		CompletableFuture<Integer> f = new CompletableFuture<>();
3840		CompletionStage<Integer> g = f.minimalCompletionStage();
3841		AtomicInteger x = new AtomicInteger(0);
3842	<	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3842	>	AtomicReference<Throwable> r = new AtomicReference<>();
3843		checkIncomplete(f);
3844		g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3845		f.complete(1);
#	Line 3433 | Line 3856 | public class CompletableFutureTest exten
3856		CompletableFuture<Integer> f = new CompletableFuture<>();
3857		CompletionStage<Integer> g = f.minimalCompletionStage();
3858		AtomicInteger x = new AtomicInteger(0);
3859	<	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3859	>	AtomicReference<Throwable> r = new AtomicReference<>();
3860		g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3861		checkIncomplete(f);
3862		CFException ex = new CFException();
#	Line 3451 | Line 3874 | public class CompletableFutureTest exten
3874		CFException ex = new CFException();
3875		CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3876		AtomicInteger x = new AtomicInteger(0);
3877	<	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3877	>	AtomicReference<Throwable> r = new AtomicReference<>();
3878		f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3879		assertEquals(x.get(), 0);
3880		assertEquals(r.get(), ex);
#	Line 3475 | Line 3898 | public class CompletableFutureTest exten
3898		public void testCompleteAsync2() {
3899		CompletableFuture<Integer> f = new CompletableFuture<>();
3900		CFException ex = new CFException();
3901	<	f.completeAsync(() -> {if (true) throw ex; return 1;});
3901	>	f.completeAsync(() -> { throw ex; });
3902		try {
3903		f.join();
3904		shouldThrow();
#	Line 3505 | Line 3928 | public class CompletableFutureTest exten
3928		CompletableFuture<Integer> f = new CompletableFuture<>();
3929		CFException ex = new CFException();
3930		ThreadExecutor executor = new ThreadExecutor();
3931	<	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3931	>	f.completeAsync(() -> { throw ex; }, executor);
3932		try {
3933		f.join();
3934		shouldThrow();
#	Line 3521 | Line 3944 | public class CompletableFutureTest exten
3944		long timeoutMillis = timeoutMillis();
3945		CompletableFuture<Integer> f = new CompletableFuture<>();
3946		long startTime = System.nanoTime();
3947	<	f.orTimeout(timeoutMillis, MILLISECONDS);
3947	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3948		checkCompletedWithTimeoutException(f);
3949		assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3950		}
#	Line 3536 | Line 3959 | public class CompletableFutureTest exten
3959		CompletableFuture<Integer> g = new CompletableFuture<>();
3960		long startTime = System.nanoTime();
3961		f.complete(v1);
3962	<	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3963	<	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3962	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3963	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3964		g.complete(v1);
3965		checkCompletedNormally(f, v1);
3966		checkCompletedNormally(g, v1);
#	Line 3552 | Line 3975 | public class CompletableFutureTest exten
3975		() -> testCompleteOnTimeout_timesOut(null));
3976		}
3977
3978	+	/**
3979	+	* completeOnTimeout completes with given value if not complete
3980	+	*/
3981		public void testCompleteOnTimeout_timesOut(Integer v) {
3982		long timeoutMillis = timeoutMillis();
3983		CompletableFuture<Integer> f = new CompletableFuture<>();
3984		long startTime = System.nanoTime();
3985	<	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3985	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3986		assertSame(v, f.join());
3987		assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3988		f.complete(99);         // should have no effect
#	Line 3573 | Line 3999 | public class CompletableFutureTest exten
3999		CompletableFuture<Integer> g = new CompletableFuture<>();
4000		long startTime = System.nanoTime();
4001		f.complete(v1);
4002	<	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
4003	<	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
4002	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
4003	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
4004		g.complete(v1);
4005		checkCompletedNormally(f, v1);
4006		checkCompletedNormally(g, v1);
#	Line 3625 | Line 4051 | public class CompletableFutureTest exten
4051		//--- tests of implementation details; not part of official tck ---
4052
4053		Object resultOf(CompletableFuture<?> f) {
4054	+	SecurityManager sm = System.getSecurityManager();
4055	+	if (sm != null) {
4056	+	try {
4057	+	System.setSecurityManager(null);
4058	+	} catch (SecurityException giveUp) {
4059	+	return "Reflection not available";
4060	+	}
4061	+	}
4062	+
4063		try {
4064		java.lang.reflect.Field resultField
4065		= CompletableFuture.class.getDeclaredField("result");
4066		resultField.setAccessible(true);
4067		return resultField.get(f);
4068	<	} catch (Throwable t) { throw new AssertionError(t); }
4068	>	} catch (Throwable t) {
4069	>	throw new AssertionError(t);
4070	>	} finally {
4071	>	if (sm != null) System.setSecurityManager(sm);
4072	>	}
4073		}
4074
4075		public void testExceptionPropagationReusesResultObject() {
#	Line 3641 | Line 4080 | public class CompletableFutureTest exten
4080		final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4081		final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4082
4083	+	final Runnable noopRunnable = new Noop(m);
4084	+	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4085	+	final Function<Integer, Integer> incFunction = new IncFunction(m);
4086	+
4087		List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4088		= new ArrayList<>();
4089
4090	<	funs.add((y) -> m.thenRun(y, new Noop(m)));
4091	<	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
4092	<	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
4093	<
4094	<	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
4095	<	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
4096	<	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
4097	<
4098	<	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
4099	<	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4100	<	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
4101	<
4102	<	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4103	<
4104	<	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
4105	<
4106	<	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
4107	<	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
4090	>	funs.add(y -> m.thenRun(y, noopRunnable));
4091	>	funs.add(y -> m.thenAccept(y, noopConsumer));
4092	>	funs.add(y -> m.thenApply(y, incFunction));
4093	>
4094	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4095	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4096	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4097	>
4098	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4099	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4100	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4101	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4102	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4103	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4104	>
4105	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4106	>
4107	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4108	>
4109	>	funs.add(y -> CompletableFuture.allOf(y));
4110	>	funs.add(y -> CompletableFuture.allOf(y, v42));
4111	>	funs.add(y -> CompletableFuture.allOf(v42, y));
4112	>	funs.add(y -> CompletableFuture.anyOf(y));
4113	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4114	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4115
4116		for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4117		fun : funs) {
4118		CompletableFuture<Integer> f = new CompletableFuture<>();
4119		f.completeExceptionally(ex);
4120	<	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
4120	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4121		checkCompletedWithWrappedException(src, ex);
4122		CompletableFuture<?> dep = fun.apply(src);
4123		checkCompletedWithWrappedException(dep, ex);
#	Line 3677 | Line 4127 | public class CompletableFutureTest exten
4127		for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4128		fun : funs) {
4129		CompletableFuture<Integer> f = new CompletableFuture<>();
4130	<	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
4130	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4131		CompletableFuture<?> dep = fun.apply(src);
4132		f.completeExceptionally(ex);
4133		checkCompletedWithWrappedException(src, ex);
#	Line 3691 | Line 4141 | public class CompletableFutureTest exten
4141		CompletableFuture<Integer> f = new CompletableFuture<>();
4142		f.cancel(mayInterruptIfRunning);
4143		checkCancelled(f);
4144	<	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
4144	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4145		checkCompletedWithWrappedCancellationException(src);
4146		CompletableFuture<?> dep = fun.apply(src);
4147		checkCompletedWithWrappedCancellationException(dep);
#	Line 3702 | Line 4152 | public class CompletableFutureTest exten
4152		for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4153		fun : funs) {
4154		CompletableFuture<Integer> f = new CompletableFuture<>();
4155	<	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
4155	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4156		CompletableFuture<?> dep = fun.apply(src);
4157		f.cancel(mayInterruptIfRunning);
4158		checkCancelled(f);
#	Line 3713 | Line 4163 | public class CompletableFutureTest exten
4163		}}
4164
4165		/**
4166	<	* Minimal completion stages throw UOE for all non-CompletionStage methods
4166	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
4167		*/
4168		public void testMinimalCompletionStage_minimality() {
4169		if (!testImplementationDetails) return;
4170		Function<Method, String> toSignature =
4171	<	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
4171	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4172		Predicate<Method> isNotStatic =
4173	<	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
4173	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4174		List<Method> minimalMethods =
4175		Stream.of(Object.class, CompletionStage.class)
4176	<	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
4176	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4177		.filter(isNotStatic)
4178		.collect(Collectors.toList());
4179		// Methods from CompletableFuture permitted NOT to throw UOE
#	Line 3739 | Line 4189 | public class CompletableFutureTest exten
4189		.collect(Collectors.toSet());
4190		List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4191		.filter(isNotStatic)
4192	<	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4192	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4193		.collect(Collectors.toList());
4194
4195	<	CompletionStage<Integer> minimalStage =
4195	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4196	>	CompletionStage<Integer> min =
4197		new CompletableFuture<Integer>().minimalCompletionStage();
4198	+	stages.add(min);
4199	+	stages.add(min.thenApply(x -> x));
4200	+	stages.add(CompletableFuture.completedStage(1));
4201	+	stages.add(CompletableFuture.failedStage(new CFException()));
4202
4203		List<Method> bugs = new ArrayList<>();
4204		for (Method method : allMethods) {
#	Line 3759 | Line 4214 | public class CompletableFutureTest exten
4214		else if (parameterTypes[i] == long.class)
4215		args[i] = 0L;
4216		}
4217	<	try {
4218	<	method.invoke(minimalStage, args);
4219	<	bugs.add(method);
3765	<	}
3766	<	catch (java.lang.reflect.InvocationTargetException expected) {
3767	<	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4217	>	for (CompletionStage<Integer> stage : stages) {
4218	>	try {
4219	>	method.invoke(stage, args);
4220		bugs.add(method);
3769	–	// expected.getCause().printStackTrace();
4221		}
4222	+	catch (java.lang.reflect.InvocationTargetException expected) {
4223	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4224	+	bugs.add(method);
4225	+	// expected.getCause().printStackTrace();
4226	+	}
4227	+	}
4228	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4229		}
3772	–	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4230		}
4231		if (!bugs.isEmpty())
4232	<	throw new Error("Methods did not throw UOE: " + bugs.toString());
4232	>	throw new Error("Methods did not throw UOE: " + bugs);
4233	>	}
4234	>
4235	>	/**
4236	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4237	>	* is completed normally, with the same value, when source is.
4238	>	*/
4239	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4240	>	for (boolean createIncomplete : new boolean[] { true, false })
4241	>	for (Integer v1 : new Integer[] { 1, null })
4242	>	{
4243	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4244	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4245	>	if (!createIncomplete) assertTrue(f.complete(v1));
4246	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4247	>	if (createIncomplete) {
4248	>	checkIncomplete(f);
4249	>	checkIncomplete(g);
4250	>	assertTrue(f.complete(v1));
4251	>	}
4252	>	checkCompletedNormally(f, v1);
4253	>	checkCompletedNormally(g, v1);
4254	>	}}
4255	>
4256	>	/**
4257	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4258	>	* is completed exceptionally when source is.
4259	>	*/
4260	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4261	>	for (boolean createIncomplete : new boolean[] { true, false })
4262	>	{
4263	>	CFException ex = new CFException();
4264	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4265	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4266	>	if (!createIncomplete) f.completeExceptionally(ex);
4267	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4268	>	if (createIncomplete) {
4269	>	checkIncomplete(f);
4270	>	checkIncomplete(g);
4271	>	f.completeExceptionally(ex);
4272	>	}
4273	>	checkCompletedExceptionally(f, ex);
4274	>	checkCompletedWithWrappedException(g, ex);
4275	>	}}
4276	>
4277	>	/**
4278	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4279	>	*/
4280	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4281	>	for (Integer v1 : new Integer[] { 1, null })
4282	>	{
4283	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4284	>	CompletionStage minimal = f.minimalCompletionStage();
4285	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4286	>	assertTrue(g.complete(v1));
4287	>	checkCompletedNormally(g, v1);
4288	>	checkIncomplete(f);
4289	>	checkIncomplete(minimal.toCompletableFuture());
4290	>	}}
4291	>
4292	>	/**
4293	>	* minimalStage.toCompletableFuture().join() awaits completion
4294	>	*/
4295	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4296	>	for (boolean createIncomplete : new boolean[] { true, false })
4297	>	for (Integer v1 : new Integer[] { 1, null })
4298	>	{
4299	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4300	>	if (!createIncomplete) assertTrue(f.complete(v1));
4301	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4302	>	if (createIncomplete) assertTrue(f.complete(v1));
4303	>	assertEquals(v1, minimal.toCompletableFuture().join());
4304	>	assertEquals(v1, minimal.toCompletableFuture().get());
4305	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4306	>	}}
4307	>
4308	>	/**
4309	>	* Completion of a toCompletableFuture copy of a minimal stage
4310	>	* does not complete its source.
4311	>	*/
4312	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4313	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4314	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4315	>	assertTrue(g.toCompletableFuture().complete(1));
4316	>	assertTrue(g.toCompletableFuture().complete(null));
4317	>	assertTrue(g.toCompletableFuture().cancel(true));
4318	>	assertTrue(g.toCompletableFuture().cancel(false));
4319	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4320	>	checkIncomplete(g.toCompletableFuture());
4321	>	f.complete(1);
4322	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4323	>	}
4324	>
4325	>	/** Demo utility method for external reliable toCompletableFuture */
4326	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4327	>	CompletableFuture<T> f = new CompletableFuture<>();
4328	>	stage.handle((T t, Throwable ex) -> {
4329	>	if (ex != null) f.completeExceptionally(ex);
4330	>	else f.complete(t);
4331	>	return null;
4332	>	});
4333	>	return f;
4334		}
4335
4336	+	/** Demo utility method to join a CompletionStage */
4337	+	static <T> T join(CompletionStage<T> stage) {
4338	+	return toCompletableFuture(stage).join();
4339	+	}
4340	+
4341	+	/**
4342	+	* Joining a minimal stage "by hand" works
4343	+	*/
4344	+	public void testMinimalCompletionStage_join_by_hand() {
4345	+	for (boolean createIncomplete : new boolean[] { true, false })
4346	+	for (Integer v1 : new Integer[] { 1, null })
4347	+	{
4348	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4349	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4350	+	CompletableFuture<Integer> g = new CompletableFuture<>();
4351	+	if (!createIncomplete) assertTrue(f.complete(v1));
4352	+	minimal.thenAccept(x -> g.complete(x));
4353	+	if (createIncomplete) assertTrue(f.complete(v1));
4354	+	g.join();
4355	+	checkCompletedNormally(g, v1);
4356	+	checkCompletedNormally(f, v1);
4357	+	assertEquals(v1, join(minimal));
4358	+	}}
4359	+
4360		static class Monad {
4361		static class ZeroException extends RuntimeException {
4362		public ZeroException() { super("monadic zero"); }
#	Line 3791 | Line 4373 | public class CompletableFutureTest exten
4373		static <T,U,V> Function<T, CompletableFuture<V>> compose
4374		(Function<T, CompletableFuture<U>> f,
4375		Function<U, CompletableFuture<V>> g) {
4376	<	return (x) -> f.apply(x).thenCompose(g);
4376	>	return x -> f.apply(x).thenCompose(g);
4377		}
4378
4379		static void assertZero(CompletableFuture<?> f) {
4380		try {
4381		f.getNow(null);
4382	<	throw new AssertionFailedError("should throw");
4382	>	throw new AssertionError("should throw");
4383		} catch (CompletionException success) {
4384		assertTrue(success.getCause() instanceof ZeroException);
4385		}
#	Line 3826 | Line 4408 | public class CompletableFutureTest exten
4408		AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4409		}
4410
4411	<	// Monadic "plus"
4411	>	/** Implements "monadic plus". */
4412		static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4413		CompletableFuture<? extends T> g) {
4414		PlusFuture<T> plus = new PlusFuture<T>();
4415		BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4416	<	if (ex == null) {
4417	<	if (plus.complete(result))
4418	<	if (plus.firstFailure.get() != null)
4416	>	try {
4417	>	if (ex == null) {
4418	>	if (plus.complete(result))
4419	>	if (plus.firstFailure.get() != null)
4420	>	plus.firstFailure.set(null);
4421	>	}
4422	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4423	>	if (plus.isDone())
4424		plus.firstFailure.set(null);
4425	<	}
4426	<	else if (plus.firstFailure.compareAndSet(null, ex)) {
4427	<	if (plus.isDone())
4428	<	plus.firstFailure.set(null);
4429	<	}
4430	<	else {
4431	<	// first failure has precedence
4432	<	Throwable first = plus.firstFailure.getAndSet(null);
4433	<
4434	<	// may fail with "Self-suppression not permitted"
4435	<	try { first.addSuppressed(ex); }
4436	<	catch (Exception ignored) {}
4437	<
3851	<	plus.completeExceptionally(first);
4425	>	}
4426	>	else {
4427	>	// first failure has precedence
4428	>	Throwable first = plus.firstFailure.getAndSet(null);
4429	>
4430	>	// may fail with "Self-suppression not permitted"
4431	>	try { first.addSuppressed(ex); }
4432	>	catch (Exception ignored) {}
4433	>
4434	>	plus.completeExceptionally(first);
4435	>	}
4436	>	} catch (Throwable unexpected) {
4437	>	plus.completeExceptionally(unexpected);
4438		}
4439		};
4440		f.whenComplete(action);
#	Line 3867 | Line 4453 | public class CompletableFutureTest exten
4453
4454		// Some mutually non-commutative functions
4455		Function<Long, CompletableFuture<Long>> triple
4456	<	= (x) -> Monad.unit(3 * x);
4456	>	= x -> Monad.unit(3 * x);
4457		Function<Long, CompletableFuture<Long>> inc
4458	<	= (x) -> Monad.unit(x + 1);
4458	>	= x -> Monad.unit(x + 1);
4459
4460		// unit is a right identity: m >>= unit === m
4461		Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
#	Line 3881 | Line 4467 | public class CompletableFutureTest exten
4467		// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4468		Monad.assertFutureEquals(
4469		unit.apply(5L).thenCompose(inc).thenCompose(triple),
4470	<	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
4470	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4471
4472		// The case for CompletableFuture as an additive monad is weaker...
4473
#	Line 3891 | Line 4477 | public class CompletableFutureTest exten
4477		// left zero: zero >>= f === zero
4478		Monad.assertZero(zero.thenCompose(inc));
4479		// right zero: f >>= (\x -> zero) === zero
4480	<	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
4480	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4481
4482		// f plus zero === f
4483		Monad.assertFutureEquals(Monad.unit(5L),
#	Line 3917 | Line 4503 | public class CompletableFutureTest exten
4503		Monad.plus(godot, Monad.unit(5L)));
4504		}
4505
4506	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4507	+	@SuppressWarnings("FutureReturnValueIgnored")
4508	+	public void testRecursiveChains() throws Throwable {
4509	+	for (ExecutionMode m : ExecutionMode.values())
4510	+	for (boolean addDeadEnds : new boolean[] { true, false })
4511	+	{
4512	+	final int val = 42;
4513	+	final int n = expensiveTests ? 1_000 : 2;
4514	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4515	+	CompletableFuture<Integer> tail = head;
4516	+	for (int i = 0; i < n; i++) {
4517	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4518	+	tail = m.thenApply(tail, v -> v + 1);
4519	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4520	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4521	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4522	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4523	+	}
4524	+	head.complete(val);
4525	+	assertEquals(val + 3 * n, (int) tail.join());
4526	+	}}
4527	+
4528	+	/**
4529	+	* A single CompletableFuture with many dependents.
4530	+	* A demo of scalability - runtime is O(n).
4531	+	*/
4532	+	@SuppressWarnings("FutureReturnValueIgnored")
4533	+	public void testManyDependents() throws Throwable {
4534	+	final int n = expensiveTests ? 1_000_000 : 10;
4535	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4536	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4537	+	final AtomicInteger count = new AtomicInteger(0);
4538	+	for (int i = 0; i < n; i++) {
4539	+	head.thenRun(() -> count.getAndIncrement());
4540	+	head.thenAccept(x -> count.getAndIncrement());
4541	+	head.thenApply(x -> count.getAndIncrement());
4542	+
4543	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4544	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4545	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4546	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4547	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4548	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4549	+
4550	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4551	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4552	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4553	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4554	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4555	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4556	+	}
4557	+	head.complete(null);
4558	+	assertEquals(5 * 3 * n, count.get());
4559	+	}
4560	+
4561	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4562	+	@SuppressWarnings("FutureReturnValueIgnored")
4563	+	public void testCoCompletionGarbageRetention() throws Throwable {
4564	+	final int n = expensiveTests ? 1_000_000 : 10;
4565	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4566	+	CompletableFuture<Integer> f;
4567	+	for (int i = 0; i < n; i++) {
4568	+	f = new CompletableFuture<>();
4569	+	f.runAfterEither(incomplete, () -> {});
4570	+	f.complete(null);
4571	+
4572	+	f = new CompletableFuture<>();
4573	+	f.acceptEither(incomplete, x -> {});
4574	+	f.complete(null);
4575	+
4576	+	f = new CompletableFuture<>();
4577	+	f.applyToEither(incomplete, x -> x);
4578	+	f.complete(null);
4579	+
4580	+	f = new CompletableFuture<>();
4581	+	CompletableFuture.anyOf(f, incomplete);
4582	+	f.complete(null);
4583	+	}
4584	+
4585	+	for (int i = 0; i < n; i++) {
4586	+	f = new CompletableFuture<>();
4587	+	incomplete.runAfterEither(f, () -> {});
4588	+	f.complete(null);
4589	+
4590	+	f = new CompletableFuture<>();
4591	+	incomplete.acceptEither(f, x -> {});
4592	+	f.complete(null);
4593	+
4594	+	f = new CompletableFuture<>();
4595	+	incomplete.applyToEither(f, x -> x);
4596	+	f.complete(null);
4597	+
4598	+	f = new CompletableFuture<>();
4599	+	CompletableFuture.anyOf(incomplete, f);
4600	+	f.complete(null);
4601	+	}
4602	+	}
4603	+
4604	+	/**
4605	+	* Reproduction recipe for:
4606	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4607	+	* 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
4608	+	*/
4609	+	public void testAnyOfGarbageRetention() throws Throwable {
4610	+	for (Integer v : new Integer[] { 1, null })
4611	+	{
4612	+	final int n = expensiveTests ? 100_000 : 10;
4613	+	CompletableFuture<Integer>[] fs
4614	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4615	+	for (int i = 0; i < fs.length; i++)
4616	+	fs[i] = new CompletableFuture<>();
4617	+	fs[fs.length - 1].complete(v);
4618	+	for (int i = 0; i < n; i++)
4619	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4620	+	}}
4621	+
4622	+	/**
4623	+	* Checks for garbage retention with allOf.
4624	+	*
4625	+	* As of 2016-07, fails with OOME:
4626	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4627	+	*/
4628	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4629	+	final int n = expensiveTests ? 100_000 : 10;
4630	+	CompletableFuture<Integer>[] fs
4631	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4632	+	for (int i = 0; i < fs.length; i++)
4633	+	fs[i] = new CompletableFuture<>();
4634	+	for (int i = 0; i < n; i++)
4635	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4636	+	}
4637	+
4638	+	/**
4639	+	* Checks for garbage retention when a dependent future is
4640	+	* cancelled and garbage-collected.
4641	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4642	+	*
4643	+	* As of 2016-07, fails with OOME:
4644	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4645	+	*/
4646	+	public void testCancelledGarbageRetention() throws Throwable {
4647	+	final int n = expensiveTests ? 100_000 : 10;
4648	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4649	+	for (int i = 0; i < n; i++)
4650	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4651	+	}
4652	+
4653	+	/**
4654	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4655	+	* is invoked many times.
4656	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4657	+	*
4658	+	* As of 2016-07, fails with OOME:
4659	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4660	+	*/
4661	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4662	+	final int n = expensiveTests ? 900_000 : 10;
4663	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4664	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4665	+	for (int i = 0; i < n; i++)
4666	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4667	+	}
4668	+
4669		//     static <U> U join(CompletionStage<U> stage) {
4670		//         CompletableFuture<U> f = new CompletableFuture<>();
4671		//         stage.whenComplete((v, ex) -> {
#	Line 3941 | Line 4690 | public class CompletableFutureTest exten
4690		//         return stage.toCompletableFuture().copy().isDone();
4691		//     }
4692
4693	+	// For testing default implementations
4694	+	// Only non-default interface methods defined.
4695	+	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4696	+	final CompletableFuture<T> cf;
4697	+	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4698	+	public CompletableFuture<T> toCompletableFuture() {
4699	+	return cf; }
4700	+	public CompletionStage<Void> thenRun
4701	+	(Runnable action) {
4702	+	return cf.thenRun(action); }
4703	+	public CompletionStage<Void> thenRunAsync
4704	+	(Runnable action) {
4705	+	return cf.thenRunAsync(action); }
4706	+	public CompletionStage<Void> thenRunAsync
4707	+	(Runnable action,
4708	+	Executor executor) {
4709	+	return cf.thenRunAsync(action, executor); }
4710	+	public CompletionStage<Void> thenAccept
4711	+	(Consumer<? super T> action) {
4712	+	return cf.thenAccept(action); }
4713	+	public CompletionStage<Void> thenAcceptAsync
4714	+	(Consumer<? super T> action) {
4715	+	return cf.thenAcceptAsync(action); }
4716	+	public CompletionStage<Void> thenAcceptAsync
4717	+	(Consumer<? super T> action,
4718	+	Executor executor) {
4719	+	return cf.thenAcceptAsync(action, executor); }
4720	+	public <U> CompletionStage<U> thenApply
4721	+	(Function<? super T,? extends U> a) {
4722	+	return cf.thenApply(a); }
4723	+	public <U> CompletionStage<U> thenApplyAsync
4724	+	(Function<? super T,? extends U> fn) {
4725	+	return cf.thenApplyAsync(fn); }
4726	+	public <U> CompletionStage<U> thenApplyAsync
4727	+	(Function<? super T,? extends U> fn,
4728	+	Executor executor) {
4729	+	return cf.thenApplyAsync(fn, executor); }
4730	+	public <U,V> CompletionStage<V> thenCombine
4731	+	(CompletionStage<? extends U> other,
4732	+	BiFunction<? super T,? super U,? extends V> fn) {
4733	+	return cf.thenCombine(other, fn); }
4734	+	public <U,V> CompletionStage<V> thenCombineAsync
4735	+	(CompletionStage<? extends U> other,
4736	+	BiFunction<? super T,? super U,? extends V> fn) {
4737	+	return cf.thenCombineAsync(other, fn); }
4738	+	public <U,V> CompletionStage<V> thenCombineAsync
4739	+	(CompletionStage<? extends U> other,
4740	+	BiFunction<? super T,? super U,? extends V> fn,
4741	+	Executor executor) {
4742	+	return cf.thenCombineAsync(other, fn, executor); }
4743	+	public <U> CompletionStage<Void> thenAcceptBoth
4744	+	(CompletionStage<? extends U> other,
4745	+	BiConsumer<? super T, ? super U> action) {
4746	+	return cf.thenAcceptBoth(other, action); }
4747	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4748	+	(CompletionStage<? extends U> other,
4749	+	BiConsumer<? super T, ? super U> action) {
4750	+	return cf.thenAcceptBothAsync(other, action); }
4751	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4752	+	(CompletionStage<? extends U> other,
4753	+	BiConsumer<? super T, ? super U> action,
4754	+	Executor executor) {
4755	+	return cf.thenAcceptBothAsync(other, action, executor); }
4756	+	public CompletionStage<Void> runAfterBoth
4757	+	(CompletionStage<?> other,
4758	+	Runnable action) {
4759	+	return cf.runAfterBoth(other, action); }
4760	+	public CompletionStage<Void> runAfterBothAsync
4761	+	(CompletionStage<?> other,
4762	+	Runnable action) {
4763	+	return cf.runAfterBothAsync(other, action); }
4764	+	public CompletionStage<Void> runAfterBothAsync
4765	+	(CompletionStage<?> other,
4766	+	Runnable action,
4767	+	Executor executor) {
4768	+	return cf.runAfterBothAsync(other, action, executor); }
4769	+	public <U> CompletionStage<U> applyToEither
4770	+	(CompletionStage<? extends T> other,
4771	+	Function<? super T, U> fn) {
4772	+	return cf.applyToEither(other, fn); }
4773	+	public <U> CompletionStage<U> applyToEitherAsync
4774	+	(CompletionStage<? extends T> other,
4775	+	Function<? super T, U> fn) {
4776	+	return cf.applyToEitherAsync(other, fn); }
4777	+	public <U> CompletionStage<U> applyToEitherAsync
4778	+	(CompletionStage<? extends T> other,
4779	+	Function<? super T, U> fn,
4780	+	Executor executor) {
4781	+	return cf.applyToEitherAsync(other, fn, executor); }
4782	+	public CompletionStage<Void> acceptEither
4783	+	(CompletionStage<? extends T> other,
4784	+	Consumer<? super T> action) {
4785	+	return cf.acceptEither(other, action); }
4786	+	public CompletionStage<Void> acceptEitherAsync
4787	+	(CompletionStage<? extends T> other,
4788	+	Consumer<? super T> action) {
4789	+	return cf.acceptEitherAsync(other, action); }
4790	+	public CompletionStage<Void> acceptEitherAsync
4791	+	(CompletionStage<? extends T> other,
4792	+	Consumer<? super T> action,
4793	+	Executor executor) {
4794	+	return cf.acceptEitherAsync(other, action, executor); }
4795	+	public CompletionStage<Void> runAfterEither
4796	+	(CompletionStage<?> other,
4797	+	Runnable action) {
4798	+	return cf.runAfterEither(other, action); }
4799	+	public CompletionStage<Void> runAfterEitherAsync
4800	+	(CompletionStage<?> other,
4801	+	Runnable action) {
4802	+	return cf.runAfterEitherAsync(other, action); }
4803	+	public CompletionStage<Void> runAfterEitherAsync
4804	+	(CompletionStage<?> other,
4805	+	Runnable action,
4806	+	Executor executor) {
4807	+	return cf.runAfterEitherAsync(other, action, executor); }
4808	+	public <U> CompletionStage<U> thenCompose
4809	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4810	+	return cf.thenCompose(fn); }
4811	+	public <U> CompletionStage<U> thenComposeAsync
4812	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4813	+	return cf.thenComposeAsync(fn); }
4814	+	public <U> CompletionStage<U> thenComposeAsync
4815	+	(Function<? super T, ? extends CompletionStage<U>> fn,
4816	+	Executor executor) {
4817	+	return cf.thenComposeAsync(fn, executor); }
4818	+	public <U> CompletionStage<U> handle
4819	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4820	+	return cf.handle(fn); }
4821	+	public <U> CompletionStage<U> handleAsync
4822	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4823	+	return cf.handleAsync(fn); }
4824	+	public <U> CompletionStage<U> handleAsync
4825	+	(BiFunction<? super T, Throwable, ? extends U> fn,
4826	+	Executor executor) {
4827	+	return cf.handleAsync(fn, executor); }
4828	+	public CompletionStage<T> whenComplete
4829	+	(BiConsumer<? super T, ? super Throwable> action) {
4830	+	return cf.whenComplete(action); }
4831	+	public CompletionStage<T> whenCompleteAsync
4832	+	(BiConsumer<? super T, ? super Throwable> action) {
4833	+	return cf.whenCompleteAsync(action); }
4834	+	public CompletionStage<T> whenCompleteAsync
4835	+	(BiConsumer<? super T, ? super Throwable> action,
4836	+	Executor executor) {
4837	+	return cf.whenCompleteAsync(action, executor); }
4838	+	public CompletionStage<T> exceptionally
4839	+	(Function<Throwable, ? extends T> fn) {
4840	+	return cf.exceptionally(fn); }
4841	+	}
4842	+
4843	+	/**
4844	+	* default-implemented exceptionallyAsync action is not invoked when
4845	+	* source completes normally, and source result is propagated
4846	+	*/
4847	+	public void testDefaultExceptionallyAsync_normalCompletion() {
4848	+	for (boolean createIncomplete : new boolean[] { true, false })
4849	+	for (Integer v1 : new Integer[] { 1, null })
4850	+	{
4851	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4852	+	final DelegatedCompletionStage<Integer> d =
4853	+	new DelegatedCompletionStage<Integer>(f);
4854	+	if (!createIncomplete) assertTrue(f.complete(v1));
4855	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4856	+	((Throwable t) -> {
4857	+	threadFail("should not be called");
4858	+	return null;            // unreached
4859	+	});
4860	+	if (createIncomplete) assertTrue(f.complete(v1));
4861	+
4862	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4863	+	}}
4864	+
4865	+	/**
4866	+	* default-implemented exceptionallyAsync action completes with
4867	+	* function value on source exception
4868	+	*/
4869	+	public void testDefaultExceptionallyAsync_exceptionalCompletion() {
4870	+	for (boolean createIncomplete : new boolean[] { true, false })
4871	+	for (Integer v1 : new Integer[] { 1, null })
4872	+	{
4873	+	final AtomicInteger a = new AtomicInteger(0);
4874	+	final CFException ex = new CFException();
4875	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4876	+	final DelegatedCompletionStage<Integer> d =
4877	+	new DelegatedCompletionStage<Integer>(f);
4878	+	if (!createIncomplete) f.completeExceptionally(ex);
4879	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4880	+	((Throwable t) -> {
4881	+	threadAssertSame(t, ex);
4882	+	a.getAndIncrement();
4883	+	return v1;
4884	+	});
4885	+	if (createIncomplete) f.completeExceptionally(ex);
4886	+
4887	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4888	+	assertEquals(1, a.get());
4889	+	}}
4890	+
4891	+	/**
4892	+	* Under default implementation, if an "exceptionally action"
4893	+	* throws an exception, it completes exceptionally with that
4894	+	* exception
4895	+	*/
4896	+	public void testDefaultExceptionallyAsync_exceptionalCompletionActionFailed() {
4897	+	for (boolean createIncomplete : new boolean[] { true, false })
4898	+	{
4899	+	final AtomicInteger a = new AtomicInteger(0);
4900	+	final CFException ex1 = new CFException();
4901	+	final CFException ex2 = new CFException();
4902	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4903	+	final DelegatedCompletionStage<Integer> d =
4904	+	new DelegatedCompletionStage<Integer>(f);
4905	+	if (!createIncomplete) f.completeExceptionally(ex1);
4906	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4907	+	((Throwable t) -> {
4908	+	threadAssertSame(t, ex1);
4909	+	a.getAndIncrement();
4910	+	throw ex2;
4911	+	});
4912	+	if (createIncomplete) f.completeExceptionally(ex1);
4913	+
4914	+	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4915	+	checkCompletedExceptionally(f, ex1);
4916	+	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4917	+	assertEquals(1, a.get());
4918	+	}}
4919	+
4920	+	/**
4921	+	* default exceptionallyCompose result completes normally after normal
4922	+	* completion of source
4923	+	*/
4924	+	public void testDefaultExceptionallyCompose_normalCompletion() {
4925	+	for (boolean createIncomplete : new boolean[] { true, false })
4926	+	for (Integer v1 : new Integer[] { 1, null })
4927	+	{
4928	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4929	+	final ExceptionalCompletableFutureFunction r =
4930	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4931	+	final DelegatedCompletionStage<Integer> d =
4932	+	new DelegatedCompletionStage<Integer>(f);
4933	+	if (!createIncomplete) assertTrue(f.complete(v1));
4934	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4935	+	if (createIncomplete) assertTrue(f.complete(v1));
4936	+
4937	+	checkCompletedNormally(f, v1);
4938	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4939	+	r.assertNotInvoked();
4940	+	}}
4941	+
4942	+	/**
4943	+	* default-implemented exceptionallyCompose result completes
4944	+	* normally after exceptional completion of source
4945	+	*/
4946	+	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4947	+	for (boolean createIncomplete : new boolean[] { true, false })
4948	+	{
4949	+	final CFException ex = new CFException();
4950	+	final ExceptionalCompletableFutureFunction r =
4951	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4952	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4953	+	final DelegatedCompletionStage<Integer> d =
4954	+	new DelegatedCompletionStage<Integer>(f);
4955	+	if (!createIncomplete) f.completeExceptionally(ex);
4956	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4957	+	if (createIncomplete) f.completeExceptionally(ex);
4958	+
4959	+	checkCompletedExceptionally(f, ex);
4960	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
4961	+	r.assertInvoked();
4962	+	}}
4963	+
4964	+	/**
4965	+	* default-implemented exceptionallyCompose completes
4966	+	* exceptionally on exception if action does
4967	+	*/
4968	+	public void testDefaultExceptionallyCompose_actionFailed() {
4969	+	for (boolean createIncomplete : new boolean[] { true, false })
4970	+	for (Integer v1 : new Integer[] { 1, null })
4971	+	{
4972	+	final CFException ex = new CFException();
4973	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4974	+	final FailingExceptionalCompletableFutureFunction r
4975	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4976	+	final DelegatedCompletionStage<Integer> d =
4977	+	new DelegatedCompletionStage<Integer>(f);
4978	+	if (!createIncomplete) f.completeExceptionally(ex);
4979	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4980	+	if (createIncomplete) f.completeExceptionally(ex);
4981	+
4982	+	checkCompletedExceptionally(f, ex);
4983	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4984	+	r.assertInvoked();
4985	+	}}
4986	+
4987	+	/**
4988	+	* default exceptionallyComposeAsync result completes normally after normal
4989	+	* completion of source
4990	+	*/
4991	+	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4992	+	for (boolean createIncomplete : new boolean[] { true, false })
4993	+	for (Integer v1 : new Integer[] { 1, null })
4994	+	{
4995	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4996	+	final ExceptionalCompletableFutureFunction r =
4997	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4998	+	final DelegatedCompletionStage<Integer> d =
4999	+	new DelegatedCompletionStage<Integer>(f);
5000	+	if (!createIncomplete) assertTrue(f.complete(v1));
5001	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5002	+	if (createIncomplete) assertTrue(f.complete(v1));
5003	+
5004	+	checkCompletedNormally(f, v1);
5005	+	checkCompletedNormally(g.toCompletableFuture(), v1);
5006	+	r.assertNotInvoked();
5007	+	}}
5008	+
5009	+	/**
5010	+	* default-implemented exceptionallyComposeAsync result completes
5011	+	* normally after exceptional completion of source
5012	+	*/
5013	+	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
5014	+	for (boolean createIncomplete : new boolean[] { true, false })
5015	+	{
5016	+	final CFException ex = new CFException();
5017	+	final ExceptionalCompletableFutureFunction r =
5018	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5019	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5020	+	final DelegatedCompletionStage<Integer> d =
5021	+	new DelegatedCompletionStage<Integer>(f);
5022	+	if (!createIncomplete) f.completeExceptionally(ex);
5023	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5024	+	if (createIncomplete) f.completeExceptionally(ex);
5025	+
5026	+	checkCompletedExceptionally(f, ex);
5027	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
5028	+	r.assertInvoked();
5029	+	}}
5030	+
5031	+	/**
5032	+	* default-implemented exceptionallyComposeAsync completes
5033	+	* exceptionally on exception if action does
5034	+	*/
5035	+	public void testDefaultExceptionallyComposeAsync_actionFailed() {
5036	+	for (boolean createIncomplete : new boolean[] { true, false })
5037	+	for (Integer v1 : new Integer[] { 1, null })
5038	+	{
5039	+	final CFException ex = new CFException();
5040	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5041	+	final FailingExceptionalCompletableFutureFunction r
5042	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5043	+	final DelegatedCompletionStage<Integer> d =
5044	+	new DelegatedCompletionStage<Integer>(f);
5045	+	if (!createIncomplete) f.completeExceptionally(ex);
5046	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5047	+	if (createIncomplete) f.completeExceptionally(ex);
5048	+
5049	+	checkCompletedExceptionally(f, ex);
5050	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5051	+	r.assertInvoked();
5052	+	}}
5053	+
5054	+
5055	+	/**
5056	+	* default exceptionallyComposeAsync result completes normally after normal
5057	+	* completion of source
5058	+	*/
5059	+	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
5060	+	for (boolean createIncomplete : new boolean[] { true, false })
5061	+	for (Integer v1 : new Integer[] { 1, null })
5062	+	{
5063	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5064	+	final ExceptionalCompletableFutureFunction r =
5065	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5066	+	final DelegatedCompletionStage<Integer> d =
5067	+	new DelegatedCompletionStage<Integer>(f);
5068	+	if (!createIncomplete) assertTrue(f.complete(v1));
5069	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5070	+	if (createIncomplete) assertTrue(f.complete(v1));
5071	+
5072	+	checkCompletedNormally(f, v1);
5073	+	checkCompletedNormally(g.toCompletableFuture(), v1);
5074	+	r.assertNotInvoked();
5075	+	}}
5076	+
5077	+	/**
5078	+	* default-implemented exceptionallyComposeAsync result completes
5079	+	* normally after exceptional completion of source
5080	+	*/
5081	+	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5082	+	for (boolean createIncomplete : new boolean[] { true, false })
5083	+	{
5084	+	final CFException ex = new CFException();
5085	+	final ExceptionalCompletableFutureFunction r =
5086	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5087	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5088	+	final DelegatedCompletionStage<Integer> d =
5089	+	new DelegatedCompletionStage<Integer>(f);
5090	+	if (!createIncomplete) f.completeExceptionally(ex);
5091	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5092	+	if (createIncomplete) f.completeExceptionally(ex);
5093	+
5094	+	checkCompletedExceptionally(f, ex);
5095	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
5096	+	r.assertInvoked();
5097	+	}}
5098	+
5099	+	/**
5100	+	* default-implemented exceptionallyComposeAsync completes
5101	+	* exceptionally on exception if action does
5102	+	*/
5103	+	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5104	+	for (boolean createIncomplete : new boolean[] { true, false })
5105	+	for (Integer v1 : new Integer[] { 1, null })
5106	+	{
5107	+	final CFException ex = new CFException();
5108	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5109	+	final FailingExceptionalCompletableFutureFunction r
5110	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5111	+	final DelegatedCompletionStage<Integer> d =
5112	+	new DelegatedCompletionStage<Integer>(f);
5113	+	if (!createIncomplete) f.completeExceptionally(ex);
5114	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5115	+	if (createIncomplete) f.completeExceptionally(ex);
5116	+
5117	+	checkCompletedExceptionally(f, ex);
5118	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5119	+	r.assertInvoked();
5120	+	}}
5121	+
5122		}

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