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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.134 by jsr166, Sun Nov 15 19:55:38 2015 UTC vs.
Revision 1.154 by jsr166, Sun Jun 26 19:27:42 2016 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;
35		import java.util.concurrent.TimeUnit;
36		import java.util.concurrent.atomic.AtomicInteger;
#	Line 459 | Line 460 | public class CompletableFutureTest exten
460		class FailingSupplier extends CheckedAction
461		implements Supplier<Integer>
462		{
463	<	FailingSupplier(ExecutionMode m) { super(m); }
463	>	final CFException ex;
464	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
465		public Integer get() {
466		invoked();
467	<	throw new CFException();
467	>	throw ex;
468		}
469		}
470
471		class FailingConsumer extends CheckedIntegerAction
472		implements Consumer<Integer>
473		{
474	<	FailingConsumer(ExecutionMode m) { super(m); }
474	>	final CFException ex;
475	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
476		public void accept(Integer x) {
477		invoked();
478		value = x;
479	<	throw new CFException();
479	>	throw ex;
480		}
481		}
482
483		class FailingBiConsumer extends CheckedIntegerAction
484		implements BiConsumer<Integer, Integer>
485		{
486	<	FailingBiConsumer(ExecutionMode m) { super(m); }
486	>	final CFException ex;
487	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
488		public void accept(Integer x, Integer y) {
489		invoked();
490		value = subtract(x, y);
491	<	throw new CFException();
491	>	throw ex;
492		}
493		}
494
495		class FailingFunction extends CheckedIntegerAction
496		implements Function<Integer, Integer>
497		{
498	<	FailingFunction(ExecutionMode m) { super(m); }
498	>	final CFException ex;
499	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
500		public Integer apply(Integer x) {
501		invoked();
502		value = x;
503	<	throw new CFException();
503	>	throw ex;
504		}
505		}
506
507		class FailingBiFunction extends CheckedIntegerAction
508		implements BiFunction<Integer, Integer, Integer>
509		{
510	<	FailingBiFunction(ExecutionMode m) { super(m); }
510	>	final CFException ex;
511	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
512		public Integer apply(Integer x, Integer y) {
513		invoked();
514		value = subtract(x, y);
515	<	throw new CFException();
515	>	throw ex;
516		}
517		}
518
519		class FailingRunnable extends CheckedAction implements Runnable {
520	<	FailingRunnable(ExecutionMode m) { super(m); }
520	>	final CFException ex;
521	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
522		public void run() {
523		invoked();
524	<	throw new CFException();
524	>	throw ex;
525		}
526		}
527
#	Line 534 | Line 541 | public class CompletableFutureTest exten
541		class FailingCompletableFutureFunction extends CheckedIntegerAction
542		implements Function<Integer, CompletableFuture<Integer>>
543		{
544	<	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
544	>	final CFException ex;
545	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
546		public CompletableFuture<Integer> apply(Integer x) {
547		invoked();
548		value = x;
549	<	throw new CFException();
549	>	throw ex;
550		}
551		}
552
#	Line 876 | Line 884 | public class CompletableFutureTest exten
884		assertEquals(1, a.get());
885		}}
886
887	+	/**
888	+	* If an "exceptionally action" throws an exception, it completes
889	+	* exceptionally with that exception
890	+	*/
891		public void testExceptionally_exceptionalCompletionActionFailed() {
892		for (boolean createIncomplete : new boolean[] { true, false })
893		{
#	Line 894 | Line 906 | public class CompletableFutureTest exten
906		if (createIncomplete) f.completeExceptionally(ex1);
907
908		checkCompletedWithWrappedException(g, ex2);
909	+	checkCompletedExceptionally(f, ex1);
910		assertEquals(1, a.get());
911		}}
912
#	Line 911 | Line 924 | public class CompletableFutureTest exten
924		if (!createIncomplete) assertTrue(f.complete(v1));
925		final CompletableFuture<Integer> g = m.whenComplete
926		(f,
927	<	(Integer x, Throwable t) -> {
927	>	(Integer result, Throwable t) -> {
928		m.checkExecutionMode();
929	<	threadAssertSame(x, v1);
929	>	threadAssertSame(result, v1);
930		threadAssertNull(t);
931		a.getAndIncrement();
932		});
#	Line 938 | Line 951 | public class CompletableFutureTest exten
951		if (!createIncomplete) f.completeExceptionally(ex);
952		final CompletableFuture<Integer> g = m.whenComplete
953		(f,
954	<	(Integer x, Throwable t) -> {
954	>	(Integer result, Throwable t) -> {
955		m.checkExecutionMode();
956	<	threadAssertNull(x);
956	>	threadAssertNull(result);
957		threadAssertSame(t, ex);
958		a.getAndIncrement();
959		});
#	Line 965 | Line 978 | public class CompletableFutureTest exten
978		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
979		final CompletableFuture<Integer> g = m.whenComplete
980		(f,
981	<	(Integer x, Throwable t) -> {
981	>	(Integer result, Throwable t) -> {
982		m.checkExecutionMode();
983	<	threadAssertNull(x);
983	>	threadAssertNull(result);
984		threadAssertTrue(t instanceof CancellationException);
985		a.getAndIncrement();
986		});
#	Line 993 | Line 1006 | public class CompletableFutureTest exten
1006		if (!createIncomplete) assertTrue(f.complete(v1));
1007		final CompletableFuture<Integer> g = m.whenComplete
1008		(f,
1009	<	(Integer x, Throwable t) -> {
1009	>	(Integer result, Throwable t) -> {
1010		m.checkExecutionMode();
1011	<	threadAssertSame(x, v1);
1011	>	threadAssertSame(result, v1);
1012		threadAssertNull(t);
1013		a.getAndIncrement();
1014		throw ex;
#	Line 1024 | Line 1037 | public class CompletableFutureTest exten
1037		if (!createIncomplete) f.completeExceptionally(ex1);
1038		final CompletableFuture<Integer> g = m.whenComplete
1039		(f,
1040	<	(Integer x, Throwable t) -> {
1040	>	(Integer result, Throwable t) -> {
1041		m.checkExecutionMode();
1042		threadAssertSame(t, ex1);
1043	<	threadAssertNull(x);
1043	>	threadAssertNull(result);
1044		a.getAndIncrement();
1045		throw ex2;
1046		});
#	Line 1035 | Line 1048 | public class CompletableFutureTest exten
1048
1049		checkCompletedWithWrappedException(g, ex1);
1050		checkCompletedExceptionally(f, ex1);
1051	+	if (testImplementationDetails) {
1052	+	assertEquals(1, ex1.getSuppressed().length);
1053	+	assertSame(ex2, ex1.getSuppressed()[0]);
1054	+	}
1055		assertEquals(1, a.get());
1056		}}
1057
#	Line 1052 | Line 1069 | public class CompletableFutureTest exten
1069		if (!createIncomplete) assertTrue(f.complete(v1));
1070		final CompletableFuture<Integer> g = m.handle
1071		(f,
1072	<	(Integer x, Throwable t) -> {
1072	>	(Integer result, Throwable t) -> {
1073		m.checkExecutionMode();
1074	<	threadAssertSame(x, v1);
1074	>	threadAssertSame(result, v1);
1075		threadAssertNull(t);
1076		a.getAndIncrement();
1077		return inc(v1);
#	Line 1081 | Line 1098 | public class CompletableFutureTest exten
1098		if (!createIncomplete) f.completeExceptionally(ex);
1099		final CompletableFuture<Integer> g = m.handle
1100		(f,
1101	<	(Integer x, Throwable t) -> {
1101	>	(Integer result, Throwable t) -> {
1102		m.checkExecutionMode();
1103	<	threadAssertNull(x);
1103	>	threadAssertNull(result);
1104		threadAssertSame(t, ex);
1105		a.getAndIncrement();
1106		return v1;
#	Line 1110 | Line 1127 | public class CompletableFutureTest exten
1127		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1128		final CompletableFuture<Integer> g = m.handle
1129		(f,
1130	<	(Integer x, Throwable t) -> {
1130	>	(Integer result, Throwable t) -> {
1131		m.checkExecutionMode();
1132	<	threadAssertNull(x);
1132	>	threadAssertNull(result);
1133		threadAssertTrue(t instanceof CancellationException);
1134		a.getAndIncrement();
1135		return v1;
#	Line 1139 | Line 1156 | public class CompletableFutureTest exten
1156		if (!createIncomplete) assertTrue(f.complete(v1));
1157		final CompletableFuture<Integer> g = m.handle
1158		(f,
1159	<	(Integer x, Throwable t) -> {
1159	>	(Integer result, Throwable t) -> {
1160		m.checkExecutionMode();
1161	<	threadAssertSame(x, v1);
1161	>	threadAssertSame(result, v1);
1162		threadAssertNull(t);
1163		a.getAndIncrement();
1164		throw ex;
#	Line 1170 | Line 1187 | public class CompletableFutureTest exten
1187		if (!createIncomplete) f.completeExceptionally(ex1);
1188		final CompletableFuture<Integer> g = m.handle
1189		(f,
1190	<	(Integer x, Throwable t) -> {
1190	>	(Integer result, Throwable t) -> {
1191		m.checkExecutionMode();
1192	<	threadAssertNull(x);
1192	>	threadAssertNull(result);
1193		threadAssertSame(ex1, t);
1194		a.getAndIncrement();
1195		throw ex2;
#	Line 1213 | Line 1230 | public class CompletableFutureTest exten
1230		{
1231		final FailingRunnable r = new FailingRunnable(m);
1232		final CompletableFuture<Void> f = m.runAsync(r);
1233	<	checkCompletedWithWrappedCFException(f);
1233	>	checkCompletedWithWrappedException(f, r.ex);
1234		r.assertInvoked();
1235		}}
1236
#	Line 1247 | Line 1264 | public class CompletableFutureTest exten
1264		{
1265		FailingSupplier r = new FailingSupplier(m);
1266		CompletableFuture<Integer> f = m.supplyAsync(r);
1267	<	checkCompletedWithWrappedCFException(f);
1267	>	checkCompletedWithWrappedException(f, r.ex);
1268		r.assertInvoked();
1269		}}
1270
#	Line 1369 | Line 1386 | public class CompletableFutureTest exten
1386		final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1387		final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1388
1389	<	checkCompletedWithWrappedCFException(h0);
1390	<	checkCompletedWithWrappedCFException(h1);
1391	<	checkCompletedWithWrappedCFException(h2);
1392	<	checkCompletedWithWrappedCFException(h3);
1393	<	checkCompletedWithWrappedCFException(h4);
1394	<	checkCompletedWithWrappedCFException(h5);
1389	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1390	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1391	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1392	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1393	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1394	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1395		checkCompletedNormally(f, v1);
1396		}}
1397
#	Line 1473 | Line 1490 | public class CompletableFutureTest exten
1490		final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1491		final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1492
1493	<	checkCompletedWithWrappedCFException(h0);
1494	<	checkCompletedWithWrappedCFException(h1);
1495	<	checkCompletedWithWrappedCFException(h2);
1496	<	checkCompletedWithWrappedCFException(h3);
1493	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1494	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1495	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1496	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1497		checkCompletedNormally(f, v1);
1498		}}
1499
#	Line 1575 | Line 1592 | public class CompletableFutureTest exten
1592		final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1593		final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1594
1595	<	checkCompletedWithWrappedCFException(h0);
1596	<	checkCompletedWithWrappedCFException(h1);
1597	<	checkCompletedWithWrappedCFException(h2);
1598	<	checkCompletedWithWrappedCFException(h3);
1595	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1596	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1597	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1598	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1599		checkCompletedNormally(f, v1);
1600		}}
1601
#	Line 1740 | Line 1757 | public class CompletableFutureTest exten
1757		assertTrue(snd.complete(w2));
1758		final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1759
1760	<	checkCompletedWithWrappedCFException(h1);
1761	<	checkCompletedWithWrappedCFException(h2);
1762	<	checkCompletedWithWrappedCFException(h3);
1760	>	checkCompletedWithWrappedException(h1, r1.ex);
1761	>	checkCompletedWithWrappedException(h2, r2.ex);
1762	>	checkCompletedWithWrappedException(h3, r3.ex);
1763		r1.assertInvoked();
1764		r2.assertInvoked();
1765		r3.assertInvoked();
#	Line 1904 | Line 1921 | public class CompletableFutureTest exten
1921		assertTrue(snd.complete(w2));
1922		final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1923
1924	<	checkCompletedWithWrappedCFException(h1);
1925	<	checkCompletedWithWrappedCFException(h2);
1926	<	checkCompletedWithWrappedCFException(h3);
1924	>	checkCompletedWithWrappedException(h1, r1.ex);
1925	>	checkCompletedWithWrappedException(h2, r2.ex);
1926	>	checkCompletedWithWrappedException(h3, r3.ex);
1927		r1.assertInvoked();
1928		r2.assertInvoked();
1929		r3.assertInvoked();
#	Line 2068 | Line 2085 | public class CompletableFutureTest exten
2085		assertTrue(snd.complete(w2));
2086		final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2087
2088	<	checkCompletedWithWrappedCFException(h1);
2089	<	checkCompletedWithWrappedCFException(h2);
2090	<	checkCompletedWithWrappedCFException(h3);
2088	>	checkCompletedWithWrappedException(h1, r1.ex);
2089	>	checkCompletedWithWrappedException(h2, r2.ex);
2090	>	checkCompletedWithWrappedException(h3, r3.ex);
2091		r1.assertInvoked();
2092		r2.assertInvoked();
2093		r3.assertInvoked();
#	Line 2360 | Line 2377 | public class CompletableFutureTest exten
2377		f.complete(v1);
2378		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2379		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2380	<	checkCompletedWithWrappedCFException(h0);
2381	<	checkCompletedWithWrappedCFException(h1);
2382	<	checkCompletedWithWrappedCFException(h2);
2383	<	checkCompletedWithWrappedCFException(h3);
2380	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2381	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2382	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2383	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2384		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2385
2386		g.complete(v2);
#	Line 2372 | Line 2389 | public class CompletableFutureTest exten
2389		final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2390		final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2391
2392	<	checkCompletedWithWrappedCFException(h4);
2392	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2393		assertTrue(Objects.equals(v1, rs[4].value) ||
2394		Objects.equals(v2, rs[4].value));
2395	<	checkCompletedWithWrappedCFException(h5);
2395	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2396		assertTrue(Objects.equals(v1, rs[5].value) ||
2397		Objects.equals(v2, rs[5].value));
2398
#	Line 2619 | Line 2636 | public class CompletableFutureTest exten
2636		f.complete(v1);
2637		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2638		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2639	<	checkCompletedWithWrappedCFException(h0);
2640	<	checkCompletedWithWrappedCFException(h1);
2641	<	checkCompletedWithWrappedCFException(h2);
2642	<	checkCompletedWithWrappedCFException(h3);
2639	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2640	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2641	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2642	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2643		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2644
2645		g.complete(v2);
#	Line 2631 | Line 2648 | public class CompletableFutureTest exten
2648		final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2649		final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2650
2651	<	checkCompletedWithWrappedCFException(h4);
2651	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2652		assertTrue(Objects.equals(v1, rs[4].value) ||
2653		Objects.equals(v2, rs[4].value));
2654	<	checkCompletedWithWrappedCFException(h5);
2654	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2655		assertTrue(Objects.equals(v1, rs[5].value) ||
2656		Objects.equals(v2, rs[5].value));
2657
#	Line 2874 | Line 2891 | public class CompletableFutureTest exten
2891		assertTrue(f.complete(v1));
2892		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2893		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2894	<	checkCompletedWithWrappedCFException(h0);
2895	<	checkCompletedWithWrappedCFException(h1);
2896	<	checkCompletedWithWrappedCFException(h2);
2897	<	checkCompletedWithWrappedCFException(h3);
2894	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2895	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2896	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2897	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2898		for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2899		assertTrue(g.complete(v2));
2900		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2901		final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2902	<	checkCompletedWithWrappedCFException(h4);
2903	<	checkCompletedWithWrappedCFException(h5);
2902	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2903	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2904
2905		checkCompletedNormally(f, v1);
2906		checkCompletedNormally(g, v2);
#	Line 2944 | Line 2961 | public class CompletableFutureTest exten
2961		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2962		if (createIncomplete) assertTrue(f.complete(v1));
2963
2964	<	checkCompletedWithWrappedCFException(g);
2964	>	checkCompletedWithWrappedException(g, r.ex);
2965		checkCompletedNormally(f, v1);
2966		}}
2967
#	Line 3053 | Line 3070 | public class CompletableFutureTest exten
3070		}
3071		}
3072
3073	<	public void testAllOf_backwards() throws Exception {
3073	>	public void testAllOf_normal_backwards() throws Exception {
3074		for (int k = 1; k < 10; k++) {
3075		CompletableFuture<Integer>[] fs
3076		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
#	Line 3286 | Line 3303 | public class CompletableFutureTest exten
3303		() -> f.obtrudeException(null),
3304
3305		() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3306	<	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3306	>	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3307		() -> CompletableFuture.delayedExecutor(1L, null),
3308
3309		() -> f.orTimeout(1L, null),
#	Line 3300 | Line 3317 | public class CompletableFutureTest exten
3317		assertEquals(0, exec.count.get());
3318		}
3319
3320	+	static class CountingRejectingExecutor implements Executor {
3321	+	final RejectedExecutionException ex = new RejectedExecutionException();
3322	+	final AtomicInteger count = new AtomicInteger(0);
3323	+	public void execute(Runnable r) {
3324	+	count.getAndIncrement();
3325	+	throw ex;
3326	+	}
3327	+	}
3328	+
3329	+	/**
3330	+	* Test submissions to an executor that rejects all tasks.
3331	+	*/
3332	+	public void testRejectingExecutor() {
3333	+	for (Integer v : new Integer[] { 1, null }) {
3334	+
3335	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3336	+
3337	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3338	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3339	+
3340	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3341	+
3342	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3343	+	srcs.add(complete);
3344	+	srcs.add(incomplete);
3345	+
3346	+	for (CompletableFuture<Integer> src : srcs) {
3347	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3348	+	fs.add(src.thenRunAsync(() -> {}, e));
3349	+	fs.add(src.thenAcceptAsync((z) -> {}, e));
3350	+	fs.add(src.thenApplyAsync((z) -> z, e));
3351	+
3352	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3353	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3354	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3355	+
3356	+	fs.add(src.applyToEitherAsync(src, (z) -> z, e));
3357	+	fs.add(src.acceptEitherAsync(src, (z) -> {}, e));
3358	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3359	+
3360	+	fs.add(src.thenComposeAsync((z) -> null, e));
3361	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3362	+	fs.add(src.handleAsync((z, t) -> null, e));
3363	+
3364	+	for (CompletableFuture<?> future : fs) {
3365	+	if (src.isDone())
3366	+	checkCompletedWithWrappedException(future, e.ex);
3367	+	else
3368	+	checkIncomplete(future);
3369	+	}
3370	+	futures.addAll(fs);
3371	+	}
3372	+
3373	+	{
3374	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3375	+
3376	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3377	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3378	+
3379	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3380	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3381	+
3382	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3383	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3384	+
3385	+	for (CompletableFuture<?> future : fs)
3386	+	checkIncomplete(future);
3387	+	futures.addAll(fs);
3388	+	}
3389	+
3390	+	{
3391	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3392	+
3393	+	fs.add(complete.applyToEitherAsync(incomplete, (z) -> z, e));
3394	+	fs.add(incomplete.applyToEitherAsync(complete, (z) -> z, e));
3395	+
3396	+	fs.add(complete.acceptEitherAsync(incomplete, (z) -> {}, e));
3397	+	fs.add(incomplete.acceptEitherAsync(complete, (z) -> {}, e));
3398	+
3399	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3400	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3401	+
3402	+	for (CompletableFuture<?> future : fs)
3403	+	checkCompletedWithWrappedException(future, e.ex);
3404	+	futures.addAll(fs);
3405	+	}
3406	+
3407	+	incomplete.complete(v);
3408	+
3409	+	for (CompletableFuture<?> future : futures)
3410	+	checkCompletedWithWrappedException(future, e.ex);
3411	+
3412	+	assertEquals(futures.size(), e.count.get());
3413	+
3414	+	}
3415	+	}
3416	+
3417	+	/**
3418	+	* Test submissions to an executor that rejects all tasks, but
3419	+	* should never be invoked because the dependent future is
3420	+	* explicitly completed.
3421	+	*/
3422	+	public void testRejectingExecutorNeverInvoked() {
3423	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3424	+
3425	+	for (Integer v : new Integer[] { 1, null }) {
3426	+
3427	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3428	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3429	+
3430	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3431	+
3432	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3433	+	srcs.add(complete);
3434	+	srcs.add(incomplete);
3435	+
3436	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3437	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3438	+	fs.add(incomplete.thenAcceptAsync((z) -> {}, e));
3439	+	fs.add(incomplete.thenApplyAsync((z) -> z, e));
3440	+
3441	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3442	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3443	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3444	+
3445	+	fs.add(incomplete.applyToEitherAsync(incomplete, (z) -> z, e));
3446	+	fs.add(incomplete.acceptEitherAsync(incomplete, (z) -> {}, e));
3447	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3448	+
3449	+	fs.add(incomplete.thenComposeAsync((z) -> null, e));
3450	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3451	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3452	+
3453	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3454	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3455	+
3456	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3457	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3458	+
3459	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3460	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3461	+
3462	+	for (CompletableFuture<?> future : fs)
3463	+	checkIncomplete(future);
3464	+
3465	+	for (CompletableFuture<?> future : fs)
3466	+	future.complete(null);
3467	+
3468	+	incomplete.complete(v);
3469	+
3470	+	for (CompletableFuture<?> future : fs)
3471	+	checkCompletedNormally(future, null);
3472	+
3473	+	assertEquals(0, e.count.get());
3474	+
3475	+	}
3476	+	}
3477	+
3478		/**
3479		* toCompletableFuture returns this CompletableFuture.
3480		*/
#	Line 3516 | Line 3691 | public class CompletableFutureTest exten
3691		long timeoutMillis = timeoutMillis();
3692		CompletableFuture<Integer> f = new CompletableFuture<>();
3693		long startTime = System.nanoTime();
3694	<	f.orTimeout(timeoutMillis, MILLISECONDS);
3694	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3695		checkCompletedWithTimeoutException(f);
3696		assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3697		}
#	Line 3531 | Line 3706 | public class CompletableFutureTest exten
3706		CompletableFuture<Integer> g = new CompletableFuture<>();
3707		long startTime = System.nanoTime();
3708		f.complete(v1);
3709	<	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3710	<	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3709	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3710	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3711		g.complete(v1);
3712		checkCompletedNormally(f, v1);
3713		checkCompletedNormally(g, v1);
#	Line 3547 | Line 3722 | public class CompletableFutureTest exten
3722		() -> testCompleteOnTimeout_timesOut(null));
3723		}
3724
3725	+	/**
3726	+	* completeOnTimeout completes with given value if not complete
3727	+	*/
3728		public void testCompleteOnTimeout_timesOut(Integer v) {
3729		long timeoutMillis = timeoutMillis();
3730		CompletableFuture<Integer> f = new CompletableFuture<>();
3731		long startTime = System.nanoTime();
3732	<	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3732	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3733		assertSame(v, f.join());
3734		assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3735		f.complete(99);         // should have no effect
#	Line 3568 | Line 3746 | public class CompletableFutureTest exten
3746		CompletableFuture<Integer> g = new CompletableFuture<>();
3747		long startTime = System.nanoTime();
3748		f.complete(v1);
3749	<	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3750	<	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3749	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3750	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3751		g.complete(v1);
3752		checkCompletedNormally(f, v1);
3753		checkCompletedNormally(g, v1);
#	Line 3620 | Line 3798 | public class CompletableFutureTest exten
3798		//--- tests of implementation details; not part of official tck ---
3799
3800		Object resultOf(CompletableFuture<?> f) {
3801	+	SecurityManager sm = System.getSecurityManager();
3802	+	if (sm != null) {
3803	+	try {
3804	+	System.setSecurityManager(null);
3805	+	} catch (SecurityException giveUp) {
3806	+	return "Reflection not available";
3807	+	}
3808	+	}
3809	+
3810		try {
3811		java.lang.reflect.Field resultField
3812		= CompletableFuture.class.getDeclaredField("result");
3813		resultField.setAccessible(true);
3814		return resultField.get(f);
3815	<	} catch (Throwable t) { throw new AssertionError(t); }
3815	>	} catch (Throwable t) {
3816	>	throw new AssertionError(t);
3817	>	} finally {
3818	>	if (sm != null) System.setSecurityManager(sm);
3819	>	}
3820		}
3821
3822		public void testExceptionPropagationReusesResultObject() {
#	Line 3648 | Line 3839 | public class CompletableFutureTest exten
3839		funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3840
3841		funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3842	+	funs.add((y) -> m.runAfterBoth(v42, y, new Noop(m)));
3843		funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3844	+	funs.add((y) -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3845		funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3846	+	funs.add((y) -> m.thenCombine(v42, y, new SubtractFunction(m)));
3847
3848	<	funs.add((y) -> m.whenComplete(y, (Integer x, Throwable t) -> {}));
3848	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3849
3850		funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3851
3852	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y}));
3853		funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3854	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {v42, y}));
3855	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y}));
3856		funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3857	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {incomplete, y}));
3858
3859		for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3860		fun : funs) {
#	Line 3821 | Line 4019 | public class CompletableFutureTest exten
4019		AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4020		}
4021
4022	<	// Monadic "plus"
4022	>	/** Implements "monadic plus". */
4023		static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4024		CompletableFuture<? extends T> g) {
4025		PlusFuture<T> plus = new PlusFuture<T>();
4026		BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4027	<	if (ex == null) {
4028	<	if (plus.complete(result))
4029	<	if (plus.firstFailure.get() != null)
4027	>	try {
4028	>	if (ex == null) {
4029	>	if (plus.complete(result))
4030	>	if (plus.firstFailure.get() != null)
4031	>	plus.firstFailure.set(null);
4032	>	}
4033	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4034	>	if (plus.isDone())
4035		plus.firstFailure.set(null);
4036	<	}
4037	<	else if (plus.firstFailure.compareAndSet(null, ex)) {
4038	<	if (plus.isDone())
4039	<	plus.firstFailure.set(null);
4040	<	}
4041	<	else {
4042	<	// first failure has precedence
4043	<	Throwable first = plus.firstFailure.getAndSet(null);
4044	<
4045	<	// may fail with "Self-suppression not permitted"
4046	<	try { first.addSuppressed(ex); }
4047	<	catch (Exception ignored) {}
4048	<
3846	<	plus.completeExceptionally(first);
4036	>	}
4037	>	else {
4038	>	// first failure has precedence
4039	>	Throwable first = plus.firstFailure.getAndSet(null);
4040	>
4041	>	// may fail with "Self-suppression not permitted"
4042	>	try { first.addSuppressed(ex); }
4043	>	catch (Exception ignored) {}
4044	>
4045	>	plus.completeExceptionally(first);
4046	>	}
4047	>	} catch (Throwable unexpected) {
4048	>	plus.completeExceptionally(unexpected);
4049		}
4050		};
4051		f.whenComplete(action);
#	Line 3912 | Line 4114 | public class CompletableFutureTest exten
4114		Monad.plus(godot, Monad.unit(5L)));
4115		}
4116
4117	+	/**
4118	+	* A single CompletableFuture with many dependents.
4119	+	* A demo of scalability - runtime is O(n).
4120	+	*/
4121	+	public void testManyDependents() throws Throwable {
4122	+	final int n = 1_000;
4123	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4124	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4125	+	final AtomicInteger count = new AtomicInteger(0);
4126	+	for (int i = 0; i < n; i++) {
4127	+	head.thenRun(() -> count.getAndIncrement());
4128	+	head.thenAccept((x) -> count.getAndIncrement());
4129	+	head.thenApply((x) -> count.getAndIncrement());
4130	+
4131	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4132	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4133	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4134	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4135	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4136	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4137	+
4138	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4139	+	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
4140	+	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
4141	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4142	+	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
4143	+	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
4144	+	}
4145	+	head.complete(null);
4146	+	assertEquals(5 * 3 * n, count.get());
4147	+	}
4148	+
4149		//     static <U> U join(CompletionStage<U> stage) {
4150		//         CompletableFuture<U> f = new CompletableFuture<>();
4151		//         stage.whenComplete((v, ex) -> {

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