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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.147 by jsr166, Sat Jun 4 23:49:29 2016 UTC vs.
Revision 1.203 by jsr166, Sat Sep 22 22:25:12 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		{
929		final AtomicInteger a = new AtomicInteger(0);
930		final CompletableFuture<Integer> f = new CompletableFuture<>();
931		if (!createIncomplete) assertTrue(f.complete(v1));
932	<	final CompletableFuture<Integer> g = f.exceptionally
933	<	((Throwable t) -> {
932	>	final CompletableFuture<Integer> g = m.exceptionally
933	>	(f, (Throwable t) -> {
934		a.getAndIncrement();
935		threadFail("should not be called");
936		return null;            // unreached
#	Line 856 | Line 947 | public class CompletableFutureTest exten
947		* exception
948		*/
949		public void testExceptionally_exceptionalCompletion() {
950	+	for (ExecutionMode m : ExecutionMode.values())
951		for (boolean createIncomplete : new boolean[] { true, false })
952		for (Integer v1 : new Integer[] { 1, null })
953		{
#	Line 863 | Line 955 | public class CompletableFutureTest exten
955		final CFException ex = new CFException();
956		final CompletableFuture<Integer> f = new CompletableFuture<>();
957		if (!createIncomplete) f.completeExceptionally(ex);
958	<	final CompletableFuture<Integer> g = f.exceptionally
959	<	((Throwable t) -> {
960	<	ExecutionMode.SYNC.checkExecutionMode();
958	>	final CompletableFuture<Integer> g = m.exceptionally
959	>	(f, (Throwable t) -> {
960	>	m.checkExecutionMode();
961		threadAssertSame(t, ex);
962		a.getAndIncrement();
963		return v1;
#	Line 881 | Line 973 | public class CompletableFutureTest exten
973		* exceptionally with that exception
974		*/
975		public void testExceptionally_exceptionalCompletionActionFailed() {
976	+	for (ExecutionMode m : ExecutionMode.values())
977		for (boolean createIncomplete : new boolean[] { true, false })
978		{
979		final AtomicInteger a = new AtomicInteger(0);
#	Line 888 | Line 981 | public class CompletableFutureTest exten
981		final CFException ex2 = new CFException();
982		final CompletableFuture<Integer> f = new CompletableFuture<>();
983		if (!createIncomplete) f.completeExceptionally(ex1);
984	<	final CompletableFuture<Integer> g = f.exceptionally
985	<	((Throwable t) -> {
986	<	ExecutionMode.SYNC.checkExecutionMode();
984	>	final CompletableFuture<Integer> g = m.exceptionally
985	>	(f, (Throwable t) -> {
986	>	m.checkExecutionMode();
987		threadAssertSame(t, ex1);
988		a.getAndIncrement();
989		throw ex2;
#	Line 1222 | Line 1315 | public class CompletableFutureTest exten
1315		{
1316		final FailingRunnable r = new FailingRunnable(m);
1317		final CompletableFuture<Void> f = m.runAsync(r);
1318	<	checkCompletedWithWrappedCFException(f);
1318	>	checkCompletedWithWrappedException(f, r.ex);
1319		r.assertInvoked();
1320		}}
1321
1322	+	@SuppressWarnings("FutureReturnValueIgnored")
1323	+	public void testRunAsync_rejectingExecutor() {
1324	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1325	+	try {
1326	+	CompletableFuture.runAsync(() -> {}, e);
1327	+	shouldThrow();
1328	+	} catch (Throwable t) {
1329	+	assertSame(e.ex, t);
1330	+	}
1331	+
1332	+	assertEquals(1, e.count.get());
1333	+	}
1334	+
1335		/**
1336		* supplyAsync completes with result of supplier
1337		*/
#	Line 1256 | Line 1362 | public class CompletableFutureTest exten
1362		{
1363		FailingSupplier r = new FailingSupplier(m);
1364		CompletableFuture<Integer> f = m.supplyAsync(r);
1365	<	checkCompletedWithWrappedCFException(f);
1365	>	checkCompletedWithWrappedException(f, r.ex);
1366		r.assertInvoked();
1367		}}
1368
1369	+	@SuppressWarnings("FutureReturnValueIgnored")
1370	+	public void testSupplyAsync_rejectingExecutor() {
1371	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1372	+	try {
1373	+	CompletableFuture.supplyAsync(() -> null, e);
1374	+	shouldThrow();
1375	+	} catch (Throwable t) {
1376	+	assertSame(e.ex, t);
1377	+	}
1378	+
1379	+	assertEquals(1, e.count.get());
1380	+	}
1381	+
1382		// seq completion methods
1383
1384		/**
#	Line 1378 | Line 1497 | public class CompletableFutureTest exten
1497		final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1498		final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1499
1500	<	checkCompletedWithWrappedCFException(h0);
1501	<	checkCompletedWithWrappedCFException(h1);
1502	<	checkCompletedWithWrappedCFException(h2);
1503	<	checkCompletedWithWrappedCFException(h3);
1504	<	checkCompletedWithWrappedCFException(h4);
1505	<	checkCompletedWithWrappedCFException(h5);
1500	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1501	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1502	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1503	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1504	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1505	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1506		checkCompletedNormally(f, v1);
1507		}}
1508
#	Line 1482 | Line 1601 | public class CompletableFutureTest exten
1601		final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1602		final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1603
1604	<	checkCompletedWithWrappedCFException(h0);
1605	<	checkCompletedWithWrappedCFException(h1);
1606	<	checkCompletedWithWrappedCFException(h2);
1607	<	checkCompletedWithWrappedCFException(h3);
1604	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1605	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1606	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1607	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1608		checkCompletedNormally(f, v1);
1609		}}
1610
#	Line 1584 | Line 1703 | public class CompletableFutureTest exten
1703		final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1704		final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1705
1706	<	checkCompletedWithWrappedCFException(h0);
1707	<	checkCompletedWithWrappedCFException(h1);
1708	<	checkCompletedWithWrappedCFException(h2);
1709	<	checkCompletedWithWrappedCFException(h3);
1706	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1707	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1708	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1709	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1710		checkCompletedNormally(f, v1);
1711		}}
1712
#	Line 1749 | Line 1868 | public class CompletableFutureTest exten
1868		assertTrue(snd.complete(w2));
1869		final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1870
1871	<	checkCompletedWithWrappedCFException(h1);
1872	<	checkCompletedWithWrappedCFException(h2);
1873	<	checkCompletedWithWrappedCFException(h3);
1871	>	checkCompletedWithWrappedException(h1, r1.ex);
1872	>	checkCompletedWithWrappedException(h2, r2.ex);
1873	>	checkCompletedWithWrappedException(h3, r3.ex);
1874		r1.assertInvoked();
1875		r2.assertInvoked();
1876		r3.assertInvoked();
#	Line 1913 | Line 2032 | public class CompletableFutureTest exten
2032		assertTrue(snd.complete(w2));
2033		final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
2034
2035	<	checkCompletedWithWrappedCFException(h1);
2036	<	checkCompletedWithWrappedCFException(h2);
2037	<	checkCompletedWithWrappedCFException(h3);
2035	>	checkCompletedWithWrappedException(h1, r1.ex);
2036	>	checkCompletedWithWrappedException(h2, r2.ex);
2037	>	checkCompletedWithWrappedException(h3, r3.ex);
2038		r1.assertInvoked();
2039		r2.assertInvoked();
2040		r3.assertInvoked();
#	Line 2077 | Line 2196 | public class CompletableFutureTest exten
2196		assertTrue(snd.complete(w2));
2197		final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2198
2199	<	checkCompletedWithWrappedCFException(h1);
2200	<	checkCompletedWithWrappedCFException(h2);
2201	<	checkCompletedWithWrappedCFException(h3);
2199	>	checkCompletedWithWrappedException(h1, r1.ex);
2200	>	checkCompletedWithWrappedException(h2, r2.ex);
2201	>	checkCompletedWithWrappedException(h3, r3.ex);
2202		r1.assertInvoked();
2203		r2.assertInvoked();
2204		r3.assertInvoked();
#	Line 2369 | Line 2488 | public class CompletableFutureTest exten
2488		f.complete(v1);
2489		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2490		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2491	<	checkCompletedWithWrappedCFException(h0);
2492	<	checkCompletedWithWrappedCFException(h1);
2493	<	checkCompletedWithWrappedCFException(h2);
2494	<	checkCompletedWithWrappedCFException(h3);
2491	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2492	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2493	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2494	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2495		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2496
2497		g.complete(v2);
#	Line 2381 | Line 2500 | public class CompletableFutureTest exten
2500		final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2501		final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2502
2503	<	checkCompletedWithWrappedCFException(h4);
2503	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2504		assertTrue(Objects.equals(v1, rs[4].value) ||
2505		Objects.equals(v2, rs[4].value));
2506	<	checkCompletedWithWrappedCFException(h5);
2506	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2507		assertTrue(Objects.equals(v1, rs[5].value) ||
2508		Objects.equals(v2, rs[5].value));
2509
#	Line 2522 | Line 2641 | public class CompletableFutureTest exten
2641
2642		// unspecified behavior - both source completions available
2643		try {
2644	<	assertEquals(null, h0.join());
2644	>	assertNull(h0.join());
2645		rs[0].assertValue(v1);
2646		} catch (CompletionException ok) {
2647		checkCompletedWithWrappedException(h0, ex);
2648		rs[0].assertNotInvoked();
2649		}
2650		try {
2651	<	assertEquals(null, h1.join());
2651	>	assertNull(h1.join());
2652		rs[1].assertValue(v1);
2653		} catch (CompletionException ok) {
2654		checkCompletedWithWrappedException(h1, ex);
2655		rs[1].assertNotInvoked();
2656		}
2657		try {
2658	<	assertEquals(null, h2.join());
2658	>	assertNull(h2.join());
2659		rs[2].assertValue(v1);
2660		} catch (CompletionException ok) {
2661		checkCompletedWithWrappedException(h2, ex);
2662		rs[2].assertNotInvoked();
2663		}
2664		try {
2665	<	assertEquals(null, h3.join());
2665	>	assertNull(h3.join());
2666		rs[3].assertValue(v1);
2667		} catch (CompletionException ok) {
2668		checkCompletedWithWrappedException(h3, ex);
#	Line 2628 | Line 2747 | public class CompletableFutureTest exten
2747		f.complete(v1);
2748		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2749		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2750	<	checkCompletedWithWrappedCFException(h0);
2751	<	checkCompletedWithWrappedCFException(h1);
2752	<	checkCompletedWithWrappedCFException(h2);
2753	<	checkCompletedWithWrappedCFException(h3);
2750	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2751	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2752	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2753	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2754		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2755
2756		g.complete(v2);
#	Line 2640 | Line 2759 | public class CompletableFutureTest exten
2759		final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2760		final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2761
2762	<	checkCompletedWithWrappedCFException(h4);
2762	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2763		assertTrue(Objects.equals(v1, rs[4].value) ||
2764		Objects.equals(v2, rs[4].value));
2765	<	checkCompletedWithWrappedCFException(h5);
2765	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2766		assertTrue(Objects.equals(v1, rs[5].value) ||
2767		Objects.equals(v2, rs[5].value));
2768
#	Line 2659 | Line 2778 | public class CompletableFutureTest exten
2778		for (ExecutionMode m : ExecutionMode.values())
2779		for (Integer v1 : new Integer[] { 1, null })
2780		for (Integer v2 : new Integer[] { 2, null })
2781	+	for (boolean pushNop : new boolean[] { true, false })
2782		{
2783		final CompletableFuture<Integer> f = new CompletableFuture<>();
2784		final CompletableFuture<Integer> g = new CompletableFuture<>();
#	Line 2671 | Line 2791 | public class CompletableFutureTest exten
2791		checkIncomplete(h1);
2792		rs[0].assertNotInvoked();
2793		rs[1].assertNotInvoked();
2794	+	if (pushNop) {          // ad hoc test of intra-completion interference
2795	+	m.thenRun(f, () -> {});
2796	+	m.thenRun(g, () -> {});
2797	+	}
2798		f.complete(v1);
2799		checkCompletedNormally(h0, null);
2800		checkCompletedNormally(h1, null);
#	Line 2777 | Line 2901 | public class CompletableFutureTest exten
2901
2902		// unspecified behavior - both source completions available
2903		try {
2904	<	assertEquals(null, h0.join());
2904	>	assertNull(h0.join());
2905		rs[0].assertInvoked();
2906		} catch (CompletionException ok) {
2907		checkCompletedWithWrappedException(h0, ex);
2908		rs[0].assertNotInvoked();
2909		}
2910		try {
2911	<	assertEquals(null, h1.join());
2911	>	assertNull(h1.join());
2912		rs[1].assertInvoked();
2913		} catch (CompletionException ok) {
2914		checkCompletedWithWrappedException(h1, ex);
2915		rs[1].assertNotInvoked();
2916		}
2917		try {
2918	<	assertEquals(null, h2.join());
2918	>	assertNull(h2.join());
2919		rs[2].assertInvoked();
2920		} catch (CompletionException ok) {
2921		checkCompletedWithWrappedException(h2, ex);
2922		rs[2].assertNotInvoked();
2923		}
2924		try {
2925	<	assertEquals(null, h3.join());
2925	>	assertNull(h3.join());
2926		rs[3].assertInvoked();
2927		} catch (CompletionException ok) {
2928		checkCompletedWithWrappedException(h3, ex);
#	Line 2883 | Line 3007 | public class CompletableFutureTest exten
3007		assertTrue(f.complete(v1));
3008		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
3009		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
3010	<	checkCompletedWithWrappedCFException(h0);
3011	<	checkCompletedWithWrappedCFException(h1);
3012	<	checkCompletedWithWrappedCFException(h2);
3013	<	checkCompletedWithWrappedCFException(h3);
3010	>	checkCompletedWithWrappedException(h0, rs[0].ex);
3011	>	checkCompletedWithWrappedException(h1, rs[1].ex);
3012	>	checkCompletedWithWrappedException(h2, rs[2].ex);
3013	>	checkCompletedWithWrappedException(h3, rs[3].ex);
3014		for (int i = 0; i < 4; i++) rs[i].assertInvoked();
3015		assertTrue(g.complete(v2));
3016		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
3017		final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
3018	<	checkCompletedWithWrappedCFException(h4);
3019	<	checkCompletedWithWrappedCFException(h5);
3018	>	checkCompletedWithWrappedException(h4, rs[4].ex);
3019	>	checkCompletedWithWrappedException(h5, rs[5].ex);
3020
3021		checkCompletedNormally(f, v1);
3022		checkCompletedNormally(g, v2);
#	Line 2953 | Line 3077 | public class CompletableFutureTest exten
3077		final CompletableFuture<Integer> g = m.thenCompose(f, r);
3078		if (createIncomplete) assertTrue(f.complete(v1));
3079
3080	<	checkCompletedWithWrappedCFException(g);
3080	>	checkCompletedWithWrappedException(g, r.ex);
3081		checkCompletedNormally(f, v1);
3082		}}
3083
#	Line 3030 | Line 3154 | public class CompletableFutureTest exten
3154		checkCompletedNormally(f, v1);
3155		}}
3156
3157	+	/**
3158	+	* exceptionallyCompose result completes normally after normal
3159	+	* completion of source
3160	+	*/
3161	+	public void testExceptionallyCompose_normalCompletion() {
3162	+	for (ExecutionMode m : ExecutionMode.values())
3163	+	for (boolean createIncomplete : new boolean[] { true, false })
3164	+	for (Integer v1 : new Integer[] { 1, null })
3165	+	{
3166	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3167	+	final ExceptionalCompletableFutureFunction r =
3168	+	new ExceptionalCompletableFutureFunction(m);
3169	+	if (!createIncomplete) assertTrue(f.complete(v1));
3170	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3171	+	if (createIncomplete) assertTrue(f.complete(v1));
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		// other static methods
3222
3223		/**
#	Line 3062 | Line 3250 | public class CompletableFutureTest exten
3250		}
3251		}
3252
3253	<	public void testAllOf_backwards() throws Exception {
3253	>	public void testAllOf_normal_backwards() throws Exception {
3254		for (int k = 1; k < 10; k++) {
3255		CompletableFuture<Integer>[] fs
3256		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
#	Line 3193 | Line 3381 | public class CompletableFutureTest exten
3381		/**
3382		* Completion methods throw NullPointerException with null arguments
3383		*/
3384	+	@SuppressWarnings("FutureReturnValueIgnored")
3385		public void testNPE() {
3386		CompletableFuture<Integer> f = new CompletableFuture<>();
3387		CompletableFuture<Integer> g = new CompletableFuture<>();
#	Line 3212 | Line 3401 | public class CompletableFutureTest exten
3401
3402		() -> f.thenApply(null),
3403		() -> f.thenApplyAsync(null),
3404	<	() -> f.thenApplyAsync((x) -> x, null),
3404	>	() -> f.thenApplyAsync(x -> x, null),
3405		() -> f.thenApplyAsync(null, exec),
3406
3407		() -> f.thenAccept(null),
3408		() -> f.thenAcceptAsync(null),
3409	<	() -> f.thenAcceptAsync((x) -> {} , null),
3409	>	() -> f.thenAcceptAsync(x -> {} , null),
3410		() -> f.thenAcceptAsync(null, exec),
3411
3412		() -> f.thenRun(null),
#	Line 3252 | Line 3441 | public class CompletableFutureTest exten
3441		() -> f.applyToEither(g, null),
3442		() -> f.applyToEitherAsync(g, null),
3443		() -> f.applyToEitherAsync(g, null, exec),
3444	<	() -> f.applyToEither(nullFuture, (x) -> x),
3445	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3446	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3447	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3444	>	() -> f.applyToEither(nullFuture, x -> x),
3445	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3446	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3447	>	() -> f.applyToEitherAsync(g, x -> x, null),
3448
3449		() -> f.acceptEither(g, null),
3450		() -> f.acceptEitherAsync(g, null),
3451		() -> f.acceptEitherAsync(g, null, exec),
3452	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3453	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3454	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3455	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3452	>	() -> f.acceptEither(nullFuture, x -> {}),
3453	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3454	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3455	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3456
3457		() -> f.runAfterEither(g, null),
3458		() -> f.runAfterEitherAsync(g, null),
#	Line 3310 | Line 3499 | public class CompletableFutureTest exten
3499		}
3500
3501		/**
3502	+	* Test submissions to an executor that rejects all tasks.
3503	+	*/
3504	+	public void testRejectingExecutor() {
3505	+	for (Integer v : new Integer[] { 1, null })
3506	+	{
3507	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3508	+
3509	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3510	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3511	+
3512	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3513	+
3514	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3515	+	srcs.add(complete);
3516	+	srcs.add(incomplete);
3517	+
3518	+	for (CompletableFuture<Integer> src : srcs) {
3519	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3520	+	fs.add(src.thenRunAsync(() -> {}, e));
3521	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3522	+	fs.add(src.thenApplyAsync(z -> z, e));
3523	+
3524	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3525	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3526	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3527	+
3528	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3529	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3530	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3531	+
3532	+	fs.add(src.thenComposeAsync(z -> null, e));
3533	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3534	+	fs.add(src.handleAsync((z, t) -> null, e));
3535	+
3536	+	for (CompletableFuture<?> future : fs) {
3537	+	if (src.isDone())
3538	+	checkCompletedWithWrappedException(future, e.ex);
3539	+	else
3540	+	checkIncomplete(future);
3541	+	}
3542	+	futures.addAll(fs);
3543	+	}
3544	+
3545	+	{
3546	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3547	+
3548	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3549	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3550	+
3551	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3552	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3553	+
3554	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3555	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3556	+
3557	+	for (CompletableFuture<?> future : fs)
3558	+	checkIncomplete(future);
3559	+	futures.addAll(fs);
3560	+	}
3561	+
3562	+	{
3563	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3564	+
3565	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3566	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3567	+
3568	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3569	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3570	+
3571	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3572	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3573	+
3574	+	for (CompletableFuture<?> future : fs)
3575	+	checkCompletedWithWrappedException(future, e.ex);
3576	+	futures.addAll(fs);
3577	+	}
3578	+
3579	+	incomplete.complete(v);
3580	+
3581	+	for (CompletableFuture<?> future : futures)
3582	+	checkCompletedWithWrappedException(future, e.ex);
3583	+
3584	+	assertEquals(futures.size(), e.count.get());
3585	+	}}
3586	+
3587	+	/**
3588	+	* Test submissions to an executor that rejects all tasks, but
3589	+	* should never be invoked because the dependent future is
3590	+	* explicitly completed.
3591	+	*/
3592	+	public void testRejectingExecutorNeverInvoked() {
3593	+	for (Integer v : new Integer[] { 1, null })
3594	+	{
3595	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3596	+
3597	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3598	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3599	+
3600	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3601	+
3602	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3603	+	srcs.add(complete);
3604	+	srcs.add(incomplete);
3605	+
3606	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3607	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3608	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3609	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3610	+
3611	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3612	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3613	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3614	+
3615	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3616	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3617	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3618	+
3619	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3620	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3621	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3622	+
3623	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3624	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3625	+
3626	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3627	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3628	+
3629	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3630	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3631	+
3632	+	for (CompletableFuture<?> future : fs)
3633	+	checkIncomplete(future);
3634	+
3635	+	for (CompletableFuture<?> future : fs)
3636	+	future.complete(null);
3637	+
3638	+	incomplete.complete(v);
3639	+
3640	+	for (CompletableFuture<?> future : fs)
3641	+	checkCompletedNormally(future, null);
3642	+
3643	+	assertEquals(0, e.count.get());
3644	+	}}
3645	+
3646	+	/**
3647		* toCompletableFuture returns this CompletableFuture.
3648		*/
3649		public void testToCompletableFuture() {
#	Line 3342 | Line 3676 | public class CompletableFutureTest exten
3676		*/
3677		public void testCompletedStage() {
3678		AtomicInteger x = new AtomicInteger(0);
3679	<	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3679	>	AtomicReference<Throwable> r = new AtomicReference<>();
3680		CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3681		f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3682		assertEquals(x.get(), 1);
#	Line 3387 | Line 3721 | public class CompletableFutureTest exten
3721		* copy returns a CompletableFuture that is completed normally,
3722		* with the same value, when source is.
3723		*/
3724	<	public void testCopy() {
3724	>	public void testCopy_normalCompletion() {
3725	>	for (boolean createIncomplete : new boolean[] { true, false })
3726	>	for (Integer v1 : new Integer[] { 1, null })
3727	>	{
3728		CompletableFuture<Integer> f = new CompletableFuture<>();
3729	+	if (!createIncomplete) assertTrue(f.complete(v1));
3730		CompletableFuture<Integer> g = f.copy();
3731	<	checkIncomplete(f);
3732	<	checkIncomplete(g);
3733	<	f.complete(1);
3734	<	checkCompletedNormally(f, 1);
3735	<	checkCompletedNormally(g, 1);
3736	<	}
3731	>	if (createIncomplete) {
3732	>	checkIncomplete(f);
3733	>	checkIncomplete(g);
3734	>	assertTrue(f.complete(v1));
3735	>	}
3736	>	checkCompletedNormally(f, v1);
3737	>	checkCompletedNormally(g, v1);
3738	>	}}
3739
3740		/**
3741		* copy returns a CompletableFuture that is completed exceptionally
3742		* when source is.
3743		*/
3744	<	public void testCopy2() {
3744	>	public void testCopy_exceptionalCompletion() {
3745	>	for (boolean createIncomplete : new boolean[] { true, false })
3746	>	{
3747	>	CFException ex = new CFException();
3748		CompletableFuture<Integer> f = new CompletableFuture<>();
3749	+	if (!createIncomplete) f.completeExceptionally(ex);
3750		CompletableFuture<Integer> g = f.copy();
3751	<	checkIncomplete(f);
3752	<	checkIncomplete(g);
3753	<	CFException ex = new CFException();
3754	<	f.completeExceptionally(ex);
3751	>	if (createIncomplete) {
3752	>	checkIncomplete(f);
3753	>	checkIncomplete(g);
3754	>	f.completeExceptionally(ex);
3755	>	}
3756		checkCompletedExceptionally(f, ex);
3757		checkCompletedWithWrappedException(g, ex);
3758	+	}}
3759	+
3760	+	/**
3761	+	* Completion of a copy does not complete its source.
3762	+	*/
3763	+	public void testCopy_oneWayPropagation() {
3764	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3765	+	assertTrue(f.copy().complete(1));
3766	+	assertTrue(f.copy().complete(null));
3767	+	assertTrue(f.copy().cancel(true));
3768	+	assertTrue(f.copy().cancel(false));
3769	+	assertTrue(f.copy().completeExceptionally(new CFException()));
3770	+	checkIncomplete(f);
3771		}
3772
3773		/**
#	Line 3420 | Line 3778 | public class CompletableFutureTest exten
3778		CompletableFuture<Integer> f = new CompletableFuture<>();
3779		CompletionStage<Integer> g = f.minimalCompletionStage();
3780		AtomicInteger x = new AtomicInteger(0);
3781	<	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3781	>	AtomicReference<Throwable> r = new AtomicReference<>();
3782		checkIncomplete(f);
3783		g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3784		f.complete(1);
#	Line 3437 | Line 3795 | public class CompletableFutureTest exten
3795		CompletableFuture<Integer> f = new CompletableFuture<>();
3796		CompletionStage<Integer> g = f.minimalCompletionStage();
3797		AtomicInteger x = new AtomicInteger(0);
3798	<	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3798	>	AtomicReference<Throwable> r = new AtomicReference<>();
3799		g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3800		checkIncomplete(f);
3801		CFException ex = new CFException();
#	Line 3455 | Line 3813 | public class CompletableFutureTest exten
3813		CFException ex = new CFException();
3814		CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3815		AtomicInteger x = new AtomicInteger(0);
3816	<	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3816	>	AtomicReference<Throwable> r = new AtomicReference<>();
3817		f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3818		assertEquals(x.get(), 0);
3819		assertEquals(r.get(), ex);
#	Line 3479 | Line 3837 | public class CompletableFutureTest exten
3837		public void testCompleteAsync2() {
3838		CompletableFuture<Integer> f = new CompletableFuture<>();
3839		CFException ex = new CFException();
3840	<	f.completeAsync(() -> {if (true) throw ex; return 1;});
3840	>	f.completeAsync(() -> { throw ex; });
3841		try {
3842		f.join();
3843		shouldThrow();
#	Line 3509 | Line 3867 | public class CompletableFutureTest exten
3867		CompletableFuture<Integer> f = new CompletableFuture<>();
3868		CFException ex = new CFException();
3869		ThreadExecutor executor = new ThreadExecutor();
3870	<	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3870	>	f.completeAsync(() -> { throw ex; }, executor);
3871		try {
3872		f.join();
3873		shouldThrow();
#	Line 3661 | Line 4019 | public class CompletableFutureTest exten
4019		final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
4020		final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4021
4022	+	final Runnable noopRunnable = new Noop(m);
4023	+	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
4024	+	final Function<Integer, Integer> incFunction = new IncFunction(m);
4025	+
4026		List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4027		= new ArrayList<>();
4028
4029	<	funs.add((y) -> m.thenRun(y, new Noop(m)));
4030	<	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
4031	<	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
4032	<
4033	<	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
4034	<	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
4035	<	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
4036	<
4037	<	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
4038	<	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4039	<	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
4040	<
4041	<	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4042	<
4043	<	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
4044	<
4045	<	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
4046	<	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
4029	>	funs.add(y -> m.thenRun(y, noopRunnable));
4030	>	funs.add(y -> m.thenAccept(y, noopConsumer));
4031	>	funs.add(y -> m.thenApply(y, incFunction));
4032	>
4033	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4034	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4035	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4036	>
4037	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4038	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4039	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4040	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4041	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4042	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4043	>
4044	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4045	>
4046	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4047	>
4048	>	funs.add(y -> CompletableFuture.allOf(y));
4049	>	funs.add(y -> CompletableFuture.allOf(y, v42));
4050	>	funs.add(y -> CompletableFuture.allOf(v42, y));
4051	>	funs.add(y -> CompletableFuture.anyOf(y));
4052	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4053	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4054
4055		for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4056		fun : funs) {
4057		CompletableFuture<Integer> f = new CompletableFuture<>();
4058		f.completeExceptionally(ex);
4059	<	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
4059	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4060		checkCompletedWithWrappedException(src, ex);
4061		CompletableFuture<?> dep = fun.apply(src);
4062		checkCompletedWithWrappedException(dep, ex);
#	Line 3697 | Line 4066 | public class CompletableFutureTest exten
4066		for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4067		fun : funs) {
4068		CompletableFuture<Integer> f = new CompletableFuture<>();
4069	<	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
4069	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4070		CompletableFuture<?> dep = fun.apply(src);
4071		f.completeExceptionally(ex);
4072		checkCompletedWithWrappedException(src, ex);
#	Line 3711 | Line 4080 | public class CompletableFutureTest exten
4080		CompletableFuture<Integer> f = new CompletableFuture<>();
4081		f.cancel(mayInterruptIfRunning);
4082		checkCancelled(f);
4083	<	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
4083	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4084		checkCompletedWithWrappedCancellationException(src);
4085		CompletableFuture<?> dep = fun.apply(src);
4086		checkCompletedWithWrappedCancellationException(dep);
#	Line 3722 | Line 4091 | public class CompletableFutureTest exten
4091		for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4092		fun : funs) {
4093		CompletableFuture<Integer> f = new CompletableFuture<>();
4094	<	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
4094	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
4095		CompletableFuture<?> dep = fun.apply(src);
4096		f.cancel(mayInterruptIfRunning);
4097		checkCancelled(f);
#	Line 3733 | Line 4102 | public class CompletableFutureTest exten
4102		}}
4103
4104		/**
4105	<	* Minimal completion stages throw UOE for all non-CompletionStage methods
4105	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
4106		*/
4107		public void testMinimalCompletionStage_minimality() {
4108		if (!testImplementationDetails) return;
4109		Function<Method, String> toSignature =
4110	<	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
4110	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4111		Predicate<Method> isNotStatic =
4112	<	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
4112	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4113		List<Method> minimalMethods =
4114		Stream.of(Object.class, CompletionStage.class)
4115	<	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
4115	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4116		.filter(isNotStatic)
4117		.collect(Collectors.toList());
4118		// Methods from CompletableFuture permitted NOT to throw UOE
#	Line 3759 | Line 4128 | public class CompletableFutureTest exten
4128		.collect(Collectors.toSet());
4129		List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4130		.filter(isNotStatic)
4131	<	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4131	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4132		.collect(Collectors.toList());
4133
4134	<	CompletionStage<Integer> minimalStage =
4134	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4135	>	CompletionStage<Integer> min =
4136		new CompletableFuture<Integer>().minimalCompletionStage();
4137	+	stages.add(min);
4138	+	stages.add(min.thenApply(x -> x));
4139	+	stages.add(CompletableFuture.completedStage(1));
4140	+	stages.add(CompletableFuture.failedStage(new CFException()));
4141
4142		List<Method> bugs = new ArrayList<>();
4143		for (Method method : allMethods) {
#	Line 3779 | Line 4153 | public class CompletableFutureTest exten
4153		else if (parameterTypes[i] == long.class)
4154		args[i] = 0L;
4155		}
4156	<	try {
4157	<	method.invoke(minimalStage, args);
4158	<	bugs.add(method);
3785	<	}
3786	<	catch (java.lang.reflect.InvocationTargetException expected) {
3787	<	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4156	>	for (CompletionStage<Integer> stage : stages) {
4157	>	try {
4158	>	method.invoke(stage, args);
4159		bugs.add(method);
3789	–	// expected.getCause().printStackTrace();
4160		}
4161	+	catch (java.lang.reflect.InvocationTargetException expected) {
4162	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4163	+	bugs.add(method);
4164	+	// expected.getCause().printStackTrace();
4165	+	}
4166	+	}
4167	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4168		}
3792	–	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4169		}
4170		if (!bugs.isEmpty())
4171	<	throw new Error("Methods did not throw UOE: " + bugs.toString());
4171	>	throw new Error("Methods did not throw UOE: " + bugs);
4172		}
4173
4174	+	/**
4175	+	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4176	+	* is completed normally, with the same value, when source is.
4177	+	*/
4178	+	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4179	+	for (boolean createIncomplete : new boolean[] { true, false })
4180	+	for (Integer v1 : new Integer[] { 1, null })
4181	+	{
4182	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4183	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4184	+	if (!createIncomplete) assertTrue(f.complete(v1));
4185	+	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4186	+	if (createIncomplete) {
4187	+	checkIncomplete(f);
4188	+	checkIncomplete(g);
4189	+	assertTrue(f.complete(v1));
4190	+	}
4191	+	checkCompletedNormally(f, v1);
4192	+	checkCompletedNormally(g, v1);
4193	+	}}
4194	+
4195	+	/**
4196	+	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4197	+	* is completed exceptionally when source is.
4198	+	*/
4199	+	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4200	+	for (boolean createIncomplete : new boolean[] { true, false })
4201	+	{
4202	+	CFException ex = new CFException();
4203	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4204	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4205	+	if (!createIncomplete) f.completeExceptionally(ex);
4206	+	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4207	+	if (createIncomplete) {
4208	+	checkIncomplete(f);
4209	+	checkIncomplete(g);
4210	+	f.completeExceptionally(ex);
4211	+	}
4212	+	checkCompletedExceptionally(f, ex);
4213	+	checkCompletedWithWrappedException(g, ex);
4214	+	}}
4215	+
4216	+	/**
4217	+	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4218	+	*/
4219	+	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4220	+	for (Integer v1 : new Integer[] { 1, null })
4221	+	{
4222	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4223	+	CompletionStage minimal = f.minimalCompletionStage();
4224	+	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4225	+	assertTrue(g.complete(v1));
4226	+	checkCompletedNormally(g, v1);
4227	+	checkIncomplete(f);
4228	+	checkIncomplete(minimal.toCompletableFuture());
4229	+	}}
4230	+
4231	+	/**
4232	+	* minimalStage.toCompletableFuture().join() awaits completion
4233	+	*/
4234	+	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4235	+	for (boolean createIncomplete : new boolean[] { true, false })
4236	+	for (Integer v1 : new Integer[] { 1, null })
4237	+	{
4238	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4239	+	if (!createIncomplete) assertTrue(f.complete(v1));
4240	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4241	+	if (createIncomplete) assertTrue(f.complete(v1));
4242	+	assertEquals(v1, minimal.toCompletableFuture().join());
4243	+	assertEquals(v1, minimal.toCompletableFuture().get());
4244	+	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4245	+	}}
4246	+
4247	+	/**
4248	+	* Completion of a toCompletableFuture copy of a minimal stage
4249	+	* does not complete its source.
4250	+	*/
4251	+	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4252	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4253	+	CompletionStage<Integer> g = f.minimalCompletionStage();
4254	+	assertTrue(g.toCompletableFuture().complete(1));
4255	+	assertTrue(g.toCompletableFuture().complete(null));
4256	+	assertTrue(g.toCompletableFuture().cancel(true));
4257	+	assertTrue(g.toCompletableFuture().cancel(false));
4258	+	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4259	+	checkIncomplete(g.toCompletableFuture());
4260	+	f.complete(1);
4261	+	checkCompletedNormally(g.toCompletableFuture(), 1);
4262	+	}
4263	+
4264	+	/** Demo utility method for external reliable toCompletableFuture */
4265	+	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4266	+	CompletableFuture<T> f = new CompletableFuture<>();
4267	+	stage.handle((T t, Throwable ex) -> {
4268	+	if (ex != null) f.completeExceptionally(ex);
4269	+	else f.complete(t);
4270	+	return null;
4271	+	});
4272	+	return f;
4273	+	}
4274	+
4275	+	/** Demo utility method to join a CompletionStage */
4276	+	static <T> T join(CompletionStage<T> stage) {
4277	+	return toCompletableFuture(stage).join();
4278	+	}
4279	+
4280	+	/**
4281	+	* Joining a minimal stage "by hand" works
4282	+	*/
4283	+	public void testMinimalCompletionStage_join_by_hand() {
4284	+	for (boolean createIncomplete : new boolean[] { true, false })
4285	+	for (Integer v1 : new Integer[] { 1, null })
4286	+	{
4287	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4288	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4289	+	CompletableFuture<Integer> g = new CompletableFuture<>();
4290	+	if (!createIncomplete) assertTrue(f.complete(v1));
4291	+	minimal.thenAccept(x -> g.complete(x));
4292	+	if (createIncomplete) assertTrue(f.complete(v1));
4293	+	g.join();
4294	+	checkCompletedNormally(g, v1);
4295	+	checkCompletedNormally(f, v1);
4296	+	assertEquals(v1, join(minimal));
4297	+	}}
4298	+
4299		static class Monad {
4300		static class ZeroException extends RuntimeException {
4301		public ZeroException() { super("monadic zero"); }
#	Line 3811 | Line 4312 | public class CompletableFutureTest exten
4312		static <T,U,V> Function<T, CompletableFuture<V>> compose
4313		(Function<T, CompletableFuture<U>> f,
4314		Function<U, CompletableFuture<V>> g) {
4315	<	return (x) -> f.apply(x).thenCompose(g);
4315	>	return x -> f.apply(x).thenCompose(g);
4316		}
4317
4318		static void assertZero(CompletableFuture<?> f) {
4319		try {
4320		f.getNow(null);
4321	<	throw new AssertionFailedError("should throw");
4321	>	throw new AssertionError("should throw");
4322		} catch (CompletionException success) {
4323		assertTrue(success.getCause() instanceof ZeroException);
4324		}
#	Line 3891 | Line 4392 | public class CompletableFutureTest exten
4392
4393		// Some mutually non-commutative functions
4394		Function<Long, CompletableFuture<Long>> triple
4395	<	= (x) -> Monad.unit(3 * x);
4395	>	= x -> Monad.unit(3 * x);
4396		Function<Long, CompletableFuture<Long>> inc
4397	<	= (x) -> Monad.unit(x + 1);
4397	>	= x -> Monad.unit(x + 1);
4398
4399		// unit is a right identity: m >>= unit === m
4400		Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
#	Line 3905 | Line 4406 | public class CompletableFutureTest exten
4406		// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4407		Monad.assertFutureEquals(
4408		unit.apply(5L).thenCompose(inc).thenCompose(triple),
4409	<	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
4409	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4410
4411		// The case for CompletableFuture as an additive monad is weaker...
4412
#	Line 3915 | Line 4416 | public class CompletableFutureTest exten
4416		// left zero: zero >>= f === zero
4417		Monad.assertZero(zero.thenCompose(inc));
4418		// right zero: f >>= (\x -> zero) === zero
4419	<	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
4419	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4420
4421		// f plus zero === f
4422		Monad.assertFutureEquals(Monad.unit(5L),
#	Line 3941 | Line 4442 | public class CompletableFutureTest exten
4442		Monad.plus(godot, Monad.unit(5L)));
4443		}
4444
4445	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4446	+	@SuppressWarnings("FutureReturnValueIgnored")
4447	+	public void testRecursiveChains() throws Throwable {
4448	+	for (ExecutionMode m : ExecutionMode.values())
4449	+	for (boolean addDeadEnds : new boolean[] { true, false })
4450	+	{
4451	+	final int val = 42;
4452	+	final int n = expensiveTests ? 1_000 : 2;
4453	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4454	+	CompletableFuture<Integer> tail = head;
4455	+	for (int i = 0; i < n; i++) {
4456	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4457	+	tail = m.thenApply(tail, v -> v + 1);
4458	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4459	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4460	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4461	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4462	+	}
4463	+	head.complete(val);
4464	+	assertEquals(val + 3 * n, (int) tail.join());
4465	+	}}
4466	+
4467		/**
4468		* A single CompletableFuture with many dependents.
4469		* A demo of scalability - runtime is O(n).
4470		*/
4471	+	@SuppressWarnings("FutureReturnValueIgnored")
4472		public void testManyDependents() throws Throwable {
4473	<	final int n = 1_000;
4473	>	final int n = expensiveTests ? 1_000_000 : 10;
4474		final CompletableFuture<Void> head = new CompletableFuture<>();
4475		final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4476		final AtomicInteger count = new AtomicInteger(0);
4477		for (int i = 0; i < n; i++) {
4478		head.thenRun(() -> count.getAndIncrement());
4479	<	head.thenAccept((x) -> count.getAndIncrement());
4480	<	head.thenApply((x) -> count.getAndIncrement());
4479	>	head.thenAccept(x -> count.getAndIncrement());
4480	>	head.thenApply(x -> count.getAndIncrement());
4481
4482		head.runAfterBoth(complete, () -> count.getAndIncrement());
4483		head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
#	Line 3963 | Line 4487 | public class CompletableFutureTest exten
4487		complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4488
4489		head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4490	<	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
4491	<	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
4490	>	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4491	>	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4492		new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4493	<	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
4494	<	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
4493	>	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4494	>	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4495		}
4496		head.complete(null);
4497		assertEquals(5 * 3 * n, count.get());
4498		}
4499
4500	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4501	+	@SuppressWarnings("FutureReturnValueIgnored")
4502	+	public void testCoCompletionGarbageRetention() throws Throwable {
4503	+	final int n = expensiveTests ? 1_000_000 : 10;
4504	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4505	+	CompletableFuture<Integer> f;
4506	+	for (int i = 0; i < n; i++) {
4507	+	f = new CompletableFuture<>();
4508	+	f.runAfterEither(incomplete, () -> {});
4509	+	f.complete(null);
4510	+
4511	+	f = new CompletableFuture<>();
4512	+	f.acceptEither(incomplete, x -> {});
4513	+	f.complete(null);
4514	+
4515	+	f = new CompletableFuture<>();
4516	+	f.applyToEither(incomplete, x -> x);
4517	+	f.complete(null);
4518	+
4519	+	f = new CompletableFuture<>();
4520	+	CompletableFuture.anyOf(f, incomplete);
4521	+	f.complete(null);
4522	+	}
4523	+
4524	+	for (int i = 0; i < n; i++) {
4525	+	f = new CompletableFuture<>();
4526	+	incomplete.runAfterEither(f, () -> {});
4527	+	f.complete(null);
4528	+
4529	+	f = new CompletableFuture<>();
4530	+	incomplete.acceptEither(f, x -> {});
4531	+	f.complete(null);
4532	+
4533	+	f = new CompletableFuture<>();
4534	+	incomplete.applyToEither(f, x -> x);
4535	+	f.complete(null);
4536	+
4537	+	f = new CompletableFuture<>();
4538	+	CompletableFuture.anyOf(incomplete, f);
4539	+	f.complete(null);
4540	+	}
4541	+	}
4542	+
4543	+	/**
4544	+	* Reproduction recipe for:
4545	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4546	+	* 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
4547	+	*/
4548	+	public void testAnyOfGarbageRetention() throws Throwable {
4549	+	for (Integer v : new Integer[] { 1, null })
4550	+	{
4551	+	final int n = expensiveTests ? 100_000 : 10;
4552	+	CompletableFuture<Integer>[] fs
4553	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4554	+	for (int i = 0; i < fs.length; i++)
4555	+	fs[i] = new CompletableFuture<>();
4556	+	fs[fs.length - 1].complete(v);
4557	+	for (int i = 0; i < n; i++)
4558	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4559	+	}}
4560	+
4561	+	/**
4562	+	* Checks for garbage retention with allOf.
4563	+	*
4564	+	* As of 2016-07, fails with OOME:
4565	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4566	+	*/
4567	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4568	+	final int n = expensiveTests ? 100_000 : 10;
4569	+	CompletableFuture<Integer>[] fs
4570	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4571	+	for (int i = 0; i < fs.length; i++)
4572	+	fs[i] = new CompletableFuture<>();
4573	+	for (int i = 0; i < n; i++)
4574	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4575	+	}
4576	+
4577	+	/**
4578	+	* Checks for garbage retention when a dependent future is
4579	+	* cancelled and garbage-collected.
4580	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4581	+	*
4582	+	* As of 2016-07, fails with OOME:
4583	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4584	+	*/
4585	+	public void testCancelledGarbageRetention() throws Throwable {
4586	+	final int n = expensiveTests ? 100_000 : 10;
4587	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4588	+	for (int i = 0; i < n; i++)
4589	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4590	+	}
4591	+
4592	+	/**
4593	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4594	+	* is invoked many times.
4595	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4596	+	*
4597	+	* As of 2016-07, fails with OOME:
4598	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4599	+	*/
4600	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4601	+	final int n = expensiveTests ? 900_000 : 10;
4602	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4603	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4604	+	for (int i = 0; i < n; i++)
4605	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4606	+	}
4607	+
4608		//     static <U> U join(CompletionStage<U> stage) {
4609		//         CompletableFuture<U> f = new CompletableFuture<>();
4610		//         stage.whenComplete((v, ex) -> {
#	Line 3997 | Line 4629 | public class CompletableFutureTest exten
4629		//         return stage.toCompletableFuture().copy().isDone();
4630		//     }
4631
4632	+	// For testing default implementations
4633	+	// Only non-default interface methods defined.
4634	+	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4635	+	final CompletableFuture<T> cf;
4636	+	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4637	+	public CompletableFuture<T> toCompletableFuture() {
4638	+	return cf; }
4639	+	public CompletionStage<Void> thenRun
4640	+	(Runnable action) {
4641	+	return cf.thenRun(action); }
4642	+	public CompletionStage<Void> thenRunAsync
4643	+	(Runnable action) {
4644	+	return cf.thenRunAsync(action); }
4645	+	public CompletionStage<Void> thenRunAsync
4646	+	(Runnable action,
4647	+	Executor executor) {
4648	+	return cf.thenRunAsync(action, executor); }
4649	+	public CompletionStage<Void> thenAccept
4650	+	(Consumer<? super T> action) {
4651	+	return cf.thenAccept(action); }
4652	+	public CompletionStage<Void> thenAcceptAsync
4653	+	(Consumer<? super T> action) {
4654	+	return cf.thenAcceptAsync(action); }
4655	+	public CompletionStage<Void> thenAcceptAsync
4656	+	(Consumer<? super T> action,
4657	+	Executor executor) {
4658	+	return cf.thenAcceptAsync(action, executor); }
4659	+	public <U> CompletionStage<U> thenApply
4660	+	(Function<? super T,? extends U> a) {
4661	+	return cf.thenApply(a); }
4662	+	public <U> CompletionStage<U> thenApplyAsync
4663	+	(Function<? super T,? extends U> fn) {
4664	+	return cf.thenApplyAsync(fn); }
4665	+	public <U> CompletionStage<U> thenApplyAsync
4666	+	(Function<? super T,? extends U> fn,
4667	+	Executor executor) {
4668	+	return cf.thenApplyAsync(fn, executor); }
4669	+	public <U,V> CompletionStage<V> thenCombine
4670	+	(CompletionStage<? extends U> other,
4671	+	BiFunction<? super T,? super U,? extends V> fn) {
4672	+	return cf.thenCombine(other, fn); }
4673	+	public <U,V> CompletionStage<V> thenCombineAsync
4674	+	(CompletionStage<? extends U> other,
4675	+	BiFunction<? super T,? super U,? extends V> fn) {
4676	+	return cf.thenCombineAsync(other, fn); }
4677	+	public <U,V> CompletionStage<V> thenCombineAsync
4678	+	(CompletionStage<? extends U> other,
4679	+	BiFunction<? super T,? super U,? extends V> fn,
4680	+	Executor executor) {
4681	+	return cf.thenCombineAsync(other, fn, executor); }
4682	+	public <U> CompletionStage<Void> thenAcceptBoth
4683	+	(CompletionStage<? extends U> other,
4684	+	BiConsumer<? super T, ? super U> action) {
4685	+	return cf.thenAcceptBoth(other, action); }
4686	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4687	+	(CompletionStage<? extends U> other,
4688	+	BiConsumer<? super T, ? super U> action) {
4689	+	return cf.thenAcceptBothAsync(other, action); }
4690	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4691	+	(CompletionStage<? extends U> other,
4692	+	BiConsumer<? super T, ? super U> action,
4693	+	Executor executor) {
4694	+	return cf.thenAcceptBothAsync(other, action, executor); }
4695	+	public CompletionStage<Void> runAfterBoth
4696	+	(CompletionStage<?> other,
4697	+	Runnable action) {
4698	+	return cf.runAfterBoth(other, action); }
4699	+	public CompletionStage<Void> runAfterBothAsync
4700	+	(CompletionStage<?> other,
4701	+	Runnable action) {
4702	+	return cf.runAfterBothAsync(other, action); }
4703	+	public CompletionStage<Void> runAfterBothAsync
4704	+	(CompletionStage<?> other,
4705	+	Runnable action,
4706	+	Executor executor) {
4707	+	return cf.runAfterBothAsync(other, action, executor); }
4708	+	public <U> CompletionStage<U> applyToEither
4709	+	(CompletionStage<? extends T> other,
4710	+	Function<? super T, U> fn) {
4711	+	return cf.applyToEither(other, fn); }
4712	+	public <U> CompletionStage<U> applyToEitherAsync
4713	+	(CompletionStage<? extends T> other,
4714	+	Function<? super T, U> fn) {
4715	+	return cf.applyToEitherAsync(other, fn); }
4716	+	public <U> CompletionStage<U> applyToEitherAsync
4717	+	(CompletionStage<? extends T> other,
4718	+	Function<? super T, U> fn,
4719	+	Executor executor) {
4720	+	return cf.applyToEitherAsync(other, fn, executor); }
4721	+	public CompletionStage<Void> acceptEither
4722	+	(CompletionStage<? extends T> other,
4723	+	Consumer<? super T> action) {
4724	+	return cf.acceptEither(other, action); }
4725	+	public CompletionStage<Void> acceptEitherAsync
4726	+	(CompletionStage<? extends T> other,
4727	+	Consumer<? super T> action) {
4728	+	return cf.acceptEitherAsync(other, action); }
4729	+	public CompletionStage<Void> acceptEitherAsync
4730	+	(CompletionStage<? extends T> other,
4731	+	Consumer<? super T> action,
4732	+	Executor executor) {
4733	+	return cf.acceptEitherAsync(other, action, executor); }
4734	+	public CompletionStage<Void> runAfterEither
4735	+	(CompletionStage<?> other,
4736	+	Runnable action) {
4737	+	return cf.runAfterEither(other, action); }
4738	+	public CompletionStage<Void> runAfterEitherAsync
4739	+	(CompletionStage<?> other,
4740	+	Runnable action) {
4741	+	return cf.runAfterEitherAsync(other, action); }
4742	+	public CompletionStage<Void> runAfterEitherAsync
4743	+	(CompletionStage<?> other,
4744	+	Runnable action,
4745	+	Executor executor) {
4746	+	return cf.runAfterEitherAsync(other, action, executor); }
4747	+	public <U> CompletionStage<U> thenCompose
4748	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4749	+	return cf.thenCompose(fn); }
4750	+	public <U> CompletionStage<U> thenComposeAsync
4751	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4752	+	return cf.thenComposeAsync(fn); }
4753	+	public <U> CompletionStage<U> thenComposeAsync
4754	+	(Function<? super T, ? extends CompletionStage<U>> fn,
4755	+	Executor executor) {
4756	+	return cf.thenComposeAsync(fn, executor); }
4757	+	public <U> CompletionStage<U> handle
4758	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4759	+	return cf.handle(fn); }
4760	+	public <U> CompletionStage<U> handleAsync
4761	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4762	+	return cf.handleAsync(fn); }
4763	+	public <U> CompletionStage<U> handleAsync
4764	+	(BiFunction<? super T, Throwable, ? extends U> fn,
4765	+	Executor executor) {
4766	+	return cf.handleAsync(fn, executor); }
4767	+	public CompletionStage<T> whenComplete
4768	+	(BiConsumer<? super T, ? super Throwable> action) {
4769	+	return cf.whenComplete(action); }
4770	+	public CompletionStage<T> whenCompleteAsync
4771	+	(BiConsumer<? super T, ? super Throwable> action) {
4772	+	return cf.whenCompleteAsync(action); }
4773	+	public CompletionStage<T> whenCompleteAsync
4774	+	(BiConsumer<? super T, ? super Throwable> action,
4775	+	Executor executor) {
4776	+	return cf.whenCompleteAsync(action, executor); }
4777	+	public CompletionStage<T> exceptionally
4778	+	(Function<Throwable, ? extends T> fn) {
4779	+	return cf.exceptionally(fn); }
4780	+	}
4781	+
4782	+	/**
4783	+	* default-implemented exceptionallyAsync action completes with
4784	+	* function value on source exception
4785	+	*/
4786	+	public void testDefaulExceptionallyAsync_exceptionalCompletion() {
4787	+	for (boolean createIncomplete : new boolean[] { true, false })
4788	+	for (Integer v1 : new Integer[] { 1, null })
4789	+	{
4790	+	final AtomicInteger a = new AtomicInteger(0);
4791	+	final CFException ex = new CFException();
4792	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4793	+	final DelegatedCompletionStage<Integer> d =
4794	+	new DelegatedCompletionStage<Integer>(f);
4795	+	if (!createIncomplete) f.completeExceptionally(ex);
4796	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4797	+	((Throwable t) -> {
4798	+	threadAssertSame(t, ex);
4799	+	a.getAndIncrement();
4800	+	return v1;
4801	+	});
4802	+	if (createIncomplete) f.completeExceptionally(ex);
4803	+
4804	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4805	+	assertEquals(1, a.get());
4806	+	}}
4807	+
4808	+	/**
4809	+	* Under default implementation, if an "exceptionally action"
4810	+	* throws an exception, it completes exceptionally with that
4811	+	* exception
4812	+	*/
4813	+	public void testDefaulExceptionallyAsync_exceptionalCompletionActionFailed() {
4814	+	for (boolean createIncomplete : new boolean[] { true, false })
4815	+	{
4816	+	final AtomicInteger a = new AtomicInteger(0);
4817	+	final CFException ex1 = new CFException();
4818	+	final CFException ex2 = new CFException();
4819	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4820	+	final DelegatedCompletionStage<Integer> d =
4821	+	new DelegatedCompletionStage<Integer>(f);
4822	+	if (!createIncomplete) f.completeExceptionally(ex1);
4823	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4824	+	((Throwable t) -> {
4825	+	threadAssertSame(t, ex1);
4826	+	a.getAndIncrement();
4827	+	throw ex2;
4828	+	});
4829	+	if (createIncomplete) f.completeExceptionally(ex1);
4830	+
4831	+	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4832	+	checkCompletedExceptionally(f, ex1);
4833	+	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4834	+	assertEquals(1, a.get());
4835	+	}}
4836	+
4837	+	/**
4838	+	* default exceptionallyCompose result completes normally after normal
4839	+	* completion of source
4840	+	*/
4841	+	public void testDefaultExceptionallyCompose_normalCompletion() {
4842	+	for (boolean createIncomplete : new boolean[] { true, false })
4843	+	for (Integer v1 : new Integer[] { 1, null })
4844	+	{
4845	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4846	+	final ExceptionalCompletableFutureFunction r =
4847	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4848	+	final DelegatedCompletionStage<Integer> d =
4849	+	new DelegatedCompletionStage<Integer>(f);
4850	+	if (!createIncomplete) assertTrue(f.complete(v1));
4851	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4852	+	if (createIncomplete) assertTrue(f.complete(v1));
4853	+
4854	+	checkCompletedNormally(f, v1);
4855	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4856	+	r.assertNotInvoked();
4857	+	}}
4858	+
4859	+	/**
4860	+	* default-implemented exceptionallyCompose result completes
4861	+	* normally after exceptional completion of source
4862	+	*/
4863	+	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4864	+	for (boolean createIncomplete : new boolean[] { true, false })
4865	+	{
4866	+	final CFException ex = new CFException();
4867	+	final ExceptionalCompletableFutureFunction r =
4868	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4869	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4870	+	final DelegatedCompletionStage<Integer> d =
4871	+	new DelegatedCompletionStage<Integer>(f);
4872	+	if (!createIncomplete) f.completeExceptionally(ex);
4873	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4874	+	if (createIncomplete) f.completeExceptionally(ex);
4875	+
4876	+	checkCompletedExceptionally(f, ex);
4877	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
4878	+	r.assertInvoked();
4879	+	}}
4880	+
4881	+	/**
4882	+	* default-implemented exceptionallyCompose completes
4883	+	* exceptionally on exception if action does
4884	+	*/
4885	+	public void testDefaultExceptionallyCompose_actionFailed() {
4886	+	for (boolean createIncomplete : new boolean[] { true, false })
4887	+	for (Integer v1 : new Integer[] { 1, null })
4888	+	{
4889	+	final CFException ex = new CFException();
4890	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4891	+	final FailingExceptionalCompletableFutureFunction r
4892	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4893	+	final DelegatedCompletionStage<Integer> d =
4894	+	new DelegatedCompletionStage<Integer>(f);
4895	+	if (!createIncomplete) f.completeExceptionally(ex);
4896	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4897	+	if (createIncomplete) f.completeExceptionally(ex);
4898	+
4899	+	checkCompletedExceptionally(f, ex);
4900	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4901	+	r.assertInvoked();
4902	+	}}
4903	+
4904	+	/**
4905	+	* default exceptionallyComposeAsync result completes normally after normal
4906	+	* completion of source
4907	+	*/
4908	+	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4909	+	for (boolean createIncomplete : new boolean[] { true, false })
4910	+	for (Integer v1 : new Integer[] { 1, null })
4911	+	{
4912	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4913	+	final ExceptionalCompletableFutureFunction r =
4914	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4915	+	final DelegatedCompletionStage<Integer> d =
4916	+	new DelegatedCompletionStage<Integer>(f);
4917	+	if (!createIncomplete) assertTrue(f.complete(v1));
4918	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4919	+	if (createIncomplete) assertTrue(f.complete(v1));
4920	+
4921	+	checkCompletedNormally(f, v1);
4922	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4923	+	r.assertNotInvoked();
4924	+	}}
4925	+
4926	+	/**
4927	+	* default-implemented exceptionallyComposeAsync result completes
4928	+	* normally after exceptional completion of source
4929	+	*/
4930	+	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
4931	+	for (boolean createIncomplete : new boolean[] { true, false })
4932	+	{
4933	+	final CFException ex = new CFException();
4934	+	final ExceptionalCompletableFutureFunction r =
4935	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4936	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4937	+	final DelegatedCompletionStage<Integer> d =
4938	+	new DelegatedCompletionStage<Integer>(f);
4939	+	if (!createIncomplete) f.completeExceptionally(ex);
4940	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4941	+	if (createIncomplete) f.completeExceptionally(ex);
4942	+
4943	+	checkCompletedExceptionally(f, ex);
4944	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
4945	+	r.assertInvoked();
4946	+	}}
4947	+
4948	+	/**
4949	+	* default-implemented exceptionallyComposeAsync completes
4950	+	* exceptionally on exception if action does
4951	+	*/
4952	+	public void testDefaultExceptionallyComposeAsync_actionFailed() {
4953	+	for (boolean createIncomplete : new boolean[] { true, false })
4954	+	for (Integer v1 : new Integer[] { 1, null })
4955	+	{
4956	+	final CFException ex = new CFException();
4957	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4958	+	final FailingExceptionalCompletableFutureFunction r
4959	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4960	+	final DelegatedCompletionStage<Integer> d =
4961	+	new DelegatedCompletionStage<Integer>(f);
4962	+	if (!createIncomplete) f.completeExceptionally(ex);
4963	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4964	+	if (createIncomplete) f.completeExceptionally(ex);
4965	+
4966	+	checkCompletedExceptionally(f, ex);
4967	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4968	+	r.assertInvoked();
4969	+	}}
4970	+
4971	+
4972	+	/**
4973	+	* default exceptionallyComposeAsync result completes normally after normal
4974	+	* completion of source
4975	+	*/
4976	+	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
4977	+	for (boolean createIncomplete : new boolean[] { true, false })
4978	+	for (Integer v1 : new Integer[] { 1, null })
4979	+	{
4980	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4981	+	final ExceptionalCompletableFutureFunction r =
4982	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
4983	+	final DelegatedCompletionStage<Integer> d =
4984	+	new DelegatedCompletionStage<Integer>(f);
4985	+	if (!createIncomplete) assertTrue(f.complete(v1));
4986	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r,  new ThreadExecutor());
4987	+	if (createIncomplete) assertTrue(f.complete(v1));
4988	+
4989	+	checkCompletedNormally(f, v1);
4990	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4991	+	r.assertNotInvoked();
4992	+	}}
4993	+
4994	+	/**
4995	+	* default-implemented exceptionallyComposeAsync result completes
4996	+	* normally after exceptional completion of source
4997	+	*/
4998	+	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
4999	+	for (boolean createIncomplete : new boolean[] { true, false })
5000	+	{
5001	+	final CFException ex = new CFException();
5002	+	final ExceptionalCompletableFutureFunction r =
5003	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5004	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5005	+	final DelegatedCompletionStage<Integer> d =
5006	+	new DelegatedCompletionStage<Integer>(f);
5007	+	if (!createIncomplete) f.completeExceptionally(ex);
5008	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r,  new ThreadExecutor());
5009	+	if (createIncomplete) f.completeExceptionally(ex);
5010	+
5011	+	checkCompletedExceptionally(f, ex);
5012	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
5013	+	r.assertInvoked();
5014	+	}}
5015	+
5016	+	/**
5017	+	* default-implemented exceptionallyComposeAsync completes
5018	+	* exceptionally on exception if action does
5019	+	*/
5020	+	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5021	+	for (boolean createIncomplete : new boolean[] { true, false })
5022	+	for (Integer v1 : new Integer[] { 1, null })
5023	+	{
5024	+	final CFException ex = new CFException();
5025	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5026	+	final FailingExceptionalCompletableFutureFunction r
5027	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5028	+	final DelegatedCompletionStage<Integer> d =
5029	+	new DelegatedCompletionStage<Integer>(f);
5030	+	if (!createIncomplete) f.completeExceptionally(ex);
5031	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r,  new ThreadExecutor());
5032	+	if (createIncomplete) f.completeExceptionally(ex);
5033	+
5034	+	checkCompletedExceptionally(f, ex);
5035	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5036	+	r.assertInvoked();
5037	+	}}
5038	+
5039		}

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