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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.141 by jsr166, Tue Mar 29 04:42:54 2016 UTC vs.
Revision 1.172 by jsr166, Thu Sep 15 00:32:45 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;
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 361 | Line 361 | public class CompletableFutureTest exten
361		checkCompletedNormally(f, "test");
362		}
363
364	<	abstract class CheckedAction {
364	>	abstract static class CheckedAction {
365		int invocationCount = 0;
366		final ExecutionMode m;
367		CheckedAction(ExecutionMode m) { this.m = m; }
#	Line 373 | Line 373 | public class CompletableFutureTest exten
373		void assertInvoked() { assertEquals(1, invocationCount); }
374		}
375
376	<	abstract class CheckedIntegerAction extends CheckedAction {
376	>	abstract static class CheckedIntegerAction extends CheckedAction {
377		Integer value;
378		CheckedIntegerAction(ExecutionMode m) { super(m); }
379		void assertValue(Integer expected) {
#	Line 382 | Line 382 | public class CompletableFutureTest exten
382		}
383		}
384
385	<	class IntegerSupplier extends CheckedAction
385	>	static class IntegerSupplier extends CheckedAction
386		implements Supplier<Integer>
387		{
388		final Integer value;
#	Line 401 | Line 401 | public class CompletableFutureTest exten
401		return (x == null) ? null : x + 1;
402		}
403
404	<	class NoopConsumer extends CheckedIntegerAction
404	>	static class NoopConsumer extends CheckedIntegerAction
405		implements Consumer<Integer>
406		{
407		NoopConsumer(ExecutionMode m) { super(m); }
#	Line 411 | Line 411 | public class CompletableFutureTest exten
411		}
412		}
413
414	<	class IncFunction extends CheckedIntegerAction
414	>	static class IncFunction extends CheckedIntegerAction
415		implements Function<Integer,Integer>
416		{
417		IncFunction(ExecutionMode m) { super(m); }
#	Line 429 | Line 429 | public class CompletableFutureTest exten
429		- ((y == null) ? 99 : y.intValue());
430		}
431
432	<	class SubtractAction extends CheckedIntegerAction
432	>	static class SubtractAction extends CheckedIntegerAction
433		implements BiConsumer<Integer, Integer>
434		{
435		SubtractAction(ExecutionMode m) { super(m); }
#	Line 439 | Line 439 | public class CompletableFutureTest exten
439		}
440		}
441
442	<	class SubtractFunction extends CheckedIntegerAction
442	>	static class SubtractFunction extends CheckedIntegerAction
443		implements BiFunction<Integer, Integer, Integer>
444		{
445		SubtractFunction(ExecutionMode m) { super(m); }
#	Line 449 | Line 449 | public class CompletableFutureTest exten
449		}
450		}
451
452	<	class Noop extends CheckedAction implements Runnable {
452	>	static class Noop extends CheckedAction implements Runnable {
453		Noop(ExecutionMode m) { super(m); }
454		public void run() {
455		invoked();
456		}
457		}
458
459	<	class FailingSupplier extends CheckedAction
459	>	static class FailingSupplier extends CheckedAction
460		implements Supplier<Integer>
461		{
462	<	FailingSupplier(ExecutionMode m) { super(m); }
462	>	final CFException ex;
463	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
464		public Integer get() {
465		invoked();
466	<	throw new CFException();
466	>	throw ex;
467		}
468		}
469
470	<	class FailingConsumer extends CheckedIntegerAction
470	>	static class FailingConsumer extends CheckedIntegerAction
471		implements Consumer<Integer>
472		{
473	<	FailingConsumer(ExecutionMode m) { super(m); }
473	>	final CFException ex;
474	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
475		public void accept(Integer x) {
476		invoked();
477		value = x;
478	<	throw new CFException();
478	>	throw ex;
479		}
480		}
481
482	<	class FailingBiConsumer extends CheckedIntegerAction
482	>	static class FailingBiConsumer extends CheckedIntegerAction
483		implements BiConsumer<Integer, Integer>
484		{
485	<	FailingBiConsumer(ExecutionMode m) { super(m); }
485	>	final CFException ex;
486	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
487		public void accept(Integer x, Integer y) {
488		invoked();
489		value = subtract(x, y);
490	<	throw new CFException();
490	>	throw ex;
491		}
492		}
493
494	<	class FailingFunction extends CheckedIntegerAction
494	>	static class FailingFunction extends CheckedIntegerAction
495		implements Function<Integer, Integer>
496		{
497	<	FailingFunction(ExecutionMode m) { super(m); }
497	>	final CFException ex;
498	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
499		public Integer apply(Integer x) {
500		invoked();
501		value = x;
502	<	throw new CFException();
502	>	throw ex;
503		}
504		}
505
506	<	class FailingBiFunction extends CheckedIntegerAction
506	>	static class FailingBiFunction extends CheckedIntegerAction
507		implements BiFunction<Integer, Integer, Integer>
508		{
509	<	FailingBiFunction(ExecutionMode m) { super(m); }
509	>	final CFException ex;
510	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
511		public Integer apply(Integer x, Integer y) {
512		invoked();
513		value = subtract(x, y);
514	<	throw new CFException();
514	>	throw ex;
515		}
516		}
517
518	<	class FailingRunnable extends CheckedAction implements Runnable {
519	<	FailingRunnable(ExecutionMode m) { super(m); }
518	>	static class FailingRunnable extends CheckedAction implements Runnable {
519	>	final CFException ex;
520	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
521		public void run() {
522		invoked();
523	<	throw new CFException();
523	>	throw ex;
524		}
525		}
526
527	<	class CompletableFutureInc extends CheckedIntegerAction
527	>	static class CompletableFutureInc extends CheckedIntegerAction
528		implements Function<Integer, CompletableFuture<Integer>>
529		{
530		CompletableFutureInc(ExecutionMode m) { super(m); }
#	Line 531 | Line 537 | public class CompletableFutureTest exten
537		}
538		}
539
540	<	class FailingCompletableFutureFunction extends CheckedIntegerAction
540	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
541		implements Function<Integer, CompletableFuture<Integer>>
542		{
543	<	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
543	>	final CFException ex;
544	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
545		public CompletableFuture<Integer> apply(Integer x) {
546		invoked();
547		value = x;
548	<	throw new CFException();
548	>	throw ex;
549	>	}
550	>	}
551	>
552	>	static class CountingRejectingExecutor implements Executor {
553	>	final RejectedExecutionException ex = new RejectedExecutionException();
554	>	final AtomicInteger count = new AtomicInteger(0);
555	>	public void execute(Runnable r) {
556	>	count.getAndIncrement();
557	>	throw ex;
558		}
559		}
560
#	Line 1222 | Line 1238 | public class CompletableFutureTest exten
1238		{
1239		final FailingRunnable r = new FailingRunnable(m);
1240		final CompletableFuture<Void> f = m.runAsync(r);
1241	<	checkCompletedWithWrappedCFException(f);
1241	>	checkCompletedWithWrappedException(f, r.ex);
1242		r.assertInvoked();
1243		}}
1244
1245	+	public void testRunAsync_rejectingExecutor() {
1246	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1247	+	try {
1248	+	CompletableFuture.runAsync(() -> {}, e);
1249	+	shouldThrow();
1250	+	} catch (Throwable t) {
1251	+	assertSame(e.ex, t);
1252	+	}
1253	+
1254	+	assertEquals(1, e.count.get());
1255	+	}
1256	+
1257		/**
1258		* supplyAsync completes with result of supplier
1259		*/
#	Line 1256 | Line 1284 | public class CompletableFutureTest exten
1284		{
1285		FailingSupplier r = new FailingSupplier(m);
1286		CompletableFuture<Integer> f = m.supplyAsync(r);
1287	<	checkCompletedWithWrappedCFException(f);
1287	>	checkCompletedWithWrappedException(f, r.ex);
1288		r.assertInvoked();
1289		}}
1290
1291	+	public void testSupplyAsync_rejectingExecutor() {
1292	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1293	+	try {
1294	+	CompletableFuture.supplyAsync(() -> null, e);
1295	+	shouldThrow();
1296	+	} catch (Throwable t) {
1297	+	assertSame(e.ex, t);
1298	+	}
1299	+
1300	+	assertEquals(1, e.count.get());
1301	+	}
1302	+
1303		// seq completion methods
1304
1305		/**
#	Line 1378 | Line 1418 | public class CompletableFutureTest exten
1418		final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1419		final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1420
1421	<	checkCompletedWithWrappedCFException(h0);
1422	<	checkCompletedWithWrappedCFException(h1);
1423	<	checkCompletedWithWrappedCFException(h2);
1424	<	checkCompletedWithWrappedCFException(h3);
1425	<	checkCompletedWithWrappedCFException(h4);
1426	<	checkCompletedWithWrappedCFException(h5);
1421	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1422	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1423	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1424	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1425	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1426	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1427		checkCompletedNormally(f, v1);
1428		}}
1429
#	Line 1482 | Line 1522 | public class CompletableFutureTest exten
1522		final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1523		final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1524
1525	<	checkCompletedWithWrappedCFException(h0);
1526	<	checkCompletedWithWrappedCFException(h1);
1527	<	checkCompletedWithWrappedCFException(h2);
1528	<	checkCompletedWithWrappedCFException(h3);
1525	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1526	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1527	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1528	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1529		checkCompletedNormally(f, v1);
1530		}}
1531
#	Line 1584 | Line 1624 | public class CompletableFutureTest exten
1624		final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1625		final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1626
1627	<	checkCompletedWithWrappedCFException(h0);
1628	<	checkCompletedWithWrappedCFException(h1);
1629	<	checkCompletedWithWrappedCFException(h2);
1630	<	checkCompletedWithWrappedCFException(h3);
1627	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1628	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1629	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1630	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1631		checkCompletedNormally(f, v1);
1632		}}
1633
#	Line 1749 | Line 1789 | public class CompletableFutureTest exten
1789		assertTrue(snd.complete(w2));
1790		final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1791
1792	<	checkCompletedWithWrappedCFException(h1);
1793	<	checkCompletedWithWrappedCFException(h2);
1794	<	checkCompletedWithWrappedCFException(h3);
1792	>	checkCompletedWithWrappedException(h1, r1.ex);
1793	>	checkCompletedWithWrappedException(h2, r2.ex);
1794	>	checkCompletedWithWrappedException(h3, r3.ex);
1795		r1.assertInvoked();
1796		r2.assertInvoked();
1797		r3.assertInvoked();
#	Line 1913 | Line 1953 | public class CompletableFutureTest exten
1953		assertTrue(snd.complete(w2));
1954		final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1955
1956	<	checkCompletedWithWrappedCFException(h1);
1957	<	checkCompletedWithWrappedCFException(h2);
1958	<	checkCompletedWithWrappedCFException(h3);
1956	>	checkCompletedWithWrappedException(h1, r1.ex);
1957	>	checkCompletedWithWrappedException(h2, r2.ex);
1958	>	checkCompletedWithWrappedException(h3, r3.ex);
1959		r1.assertInvoked();
1960		r2.assertInvoked();
1961		r3.assertInvoked();
#	Line 2077 | Line 2117 | public class CompletableFutureTest exten
2117		assertTrue(snd.complete(w2));
2118		final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2119
2120	<	checkCompletedWithWrappedCFException(h1);
2121	<	checkCompletedWithWrappedCFException(h2);
2122	<	checkCompletedWithWrappedCFException(h3);
2120	>	checkCompletedWithWrappedException(h1, r1.ex);
2121	>	checkCompletedWithWrappedException(h2, r2.ex);
2122	>	checkCompletedWithWrappedException(h3, r3.ex);
2123		r1.assertInvoked();
2124		r2.assertInvoked();
2125		r3.assertInvoked();
#	Line 2369 | Line 2409 | public class CompletableFutureTest exten
2409		f.complete(v1);
2410		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2411		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2412	<	checkCompletedWithWrappedCFException(h0);
2413	<	checkCompletedWithWrappedCFException(h1);
2414	<	checkCompletedWithWrappedCFException(h2);
2415	<	checkCompletedWithWrappedCFException(h3);
2412	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2413	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2414	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2415	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2416		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2417
2418		g.complete(v2);
#	Line 2381 | Line 2421 | public class CompletableFutureTest exten
2421		final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2422		final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2423
2424	<	checkCompletedWithWrappedCFException(h4);
2424	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2425		assertTrue(Objects.equals(v1, rs[4].value) ||
2426		Objects.equals(v2, rs[4].value));
2427	<	checkCompletedWithWrappedCFException(h5);
2427	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2428		assertTrue(Objects.equals(v1, rs[5].value) ||
2429		Objects.equals(v2, rs[5].value));
2430
#	Line 2628 | Line 2668 | public class CompletableFutureTest exten
2668		f.complete(v1);
2669		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2670		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2671	<	checkCompletedWithWrappedCFException(h0);
2672	<	checkCompletedWithWrappedCFException(h1);
2673	<	checkCompletedWithWrappedCFException(h2);
2674	<	checkCompletedWithWrappedCFException(h3);
2671	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2672	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2673	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2674	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2675		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2676
2677		g.complete(v2);
#	Line 2640 | Line 2680 | public class CompletableFutureTest exten
2680		final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2681		final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2682
2683	<	checkCompletedWithWrappedCFException(h4);
2683	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2684		assertTrue(Objects.equals(v1, rs[4].value) ||
2685		Objects.equals(v2, rs[4].value));
2686	<	checkCompletedWithWrappedCFException(h5);
2686	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2687		assertTrue(Objects.equals(v1, rs[5].value) ||
2688		Objects.equals(v2, rs[5].value));
2689
#	Line 2659 | Line 2699 | public class CompletableFutureTest exten
2699		for (ExecutionMode m : ExecutionMode.values())
2700		for (Integer v1 : new Integer[] { 1, null })
2701		for (Integer v2 : new Integer[] { 2, null })
2702	+	for (boolean pushNop : new boolean[] { true, false })
2703		{
2704		final CompletableFuture<Integer> f = new CompletableFuture<>();
2705		final CompletableFuture<Integer> g = new CompletableFuture<>();
#	Line 2671 | Line 2712 | public class CompletableFutureTest exten
2712		checkIncomplete(h1);
2713		rs[0].assertNotInvoked();
2714		rs[1].assertNotInvoked();
2715	+	if (pushNop) {          // ad hoc test of intra-completion interference
2716	+	m.thenRun(f, () -> {});
2717	+	m.thenRun(g, () -> {});
2718	+	}
2719		f.complete(v1);
2720		checkCompletedNormally(h0, null);
2721		checkCompletedNormally(h1, null);
#	Line 2883 | Line 2928 | public class CompletableFutureTest exten
2928		assertTrue(f.complete(v1));
2929		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2930		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2931	<	checkCompletedWithWrappedCFException(h0);
2932	<	checkCompletedWithWrappedCFException(h1);
2933	<	checkCompletedWithWrappedCFException(h2);
2934	<	checkCompletedWithWrappedCFException(h3);
2931	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2932	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2933	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2934	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2935		for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2936		assertTrue(g.complete(v2));
2937		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2938		final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2939	<	checkCompletedWithWrappedCFException(h4);
2940	<	checkCompletedWithWrappedCFException(h5);
2939	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2940	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2941
2942		checkCompletedNormally(f, v1);
2943		checkCompletedNormally(g, v2);
#	Line 2953 | Line 2998 | public class CompletableFutureTest exten
2998		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2999		if (createIncomplete) assertTrue(f.complete(v1));
3000
3001	<	checkCompletedWithWrappedCFException(g);
3001	>	checkCompletedWithWrappedException(g, r.ex);
3002		checkCompletedNormally(f, v1);
3003		}}
3004
#	Line 3062 | Line 3107 | public class CompletableFutureTest exten
3107		}
3108		}
3109
3110	<	public void testAllOf_backwards() throws Exception {
3110	>	public void testAllOf_normal_backwards() throws Exception {
3111		for (int k = 1; k < 10; k++) {
3112		CompletableFuture<Integer>[] fs
3113		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
#	Line 3295 | Line 3340 | public class CompletableFutureTest exten
3340		() -> f.obtrudeException(null),
3341
3342		() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3343	<	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3343	>	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3344		() -> CompletableFuture.delayedExecutor(1L, null),
3345
3346		() -> f.orTimeout(1L, null),
#	Line 3310 | Line 3355 | public class CompletableFutureTest exten
3355		}
3356
3357		/**
3358	+	* Test submissions to an executor that rejects all tasks.
3359	+	*/
3360	+	public void testRejectingExecutor() {
3361	+	for (Integer v : new Integer[] { 1, null })
3362	+	{
3363	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3364	+
3365	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3366	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3367	+
3368	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3369	+
3370	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3371	+	srcs.add(complete);
3372	+	srcs.add(incomplete);
3373	+
3374	+	for (CompletableFuture<Integer> src : srcs) {
3375	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3376	+	fs.add(src.thenRunAsync(() -> {}, e));
3377	+	fs.add(src.thenAcceptAsync((z) -> {}, e));
3378	+	fs.add(src.thenApplyAsync((z) -> z, e));
3379	+
3380	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3381	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3382	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3383	+
3384	+	fs.add(src.applyToEitherAsync(src, (z) -> z, e));
3385	+	fs.add(src.acceptEitherAsync(src, (z) -> {}, e));
3386	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3387	+
3388	+	fs.add(src.thenComposeAsync((z) -> null, e));
3389	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3390	+	fs.add(src.handleAsync((z, t) -> null, e));
3391	+
3392	+	for (CompletableFuture<?> future : fs) {
3393	+	if (src.isDone())
3394	+	checkCompletedWithWrappedException(future, e.ex);
3395	+	else
3396	+	checkIncomplete(future);
3397	+	}
3398	+	futures.addAll(fs);
3399	+	}
3400	+
3401	+	{
3402	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3403	+
3404	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3405	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3406	+
3407	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3408	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3409	+
3410	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3411	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3412	+
3413	+	for (CompletableFuture<?> future : fs)
3414	+	checkIncomplete(future);
3415	+	futures.addAll(fs);
3416	+	}
3417	+
3418	+	{
3419	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3420	+
3421	+	fs.add(complete.applyToEitherAsync(incomplete, (z) -> z, e));
3422	+	fs.add(incomplete.applyToEitherAsync(complete, (z) -> z, e));
3423	+
3424	+	fs.add(complete.acceptEitherAsync(incomplete, (z) -> {}, e));
3425	+	fs.add(incomplete.acceptEitherAsync(complete, (z) -> {}, e));
3426	+
3427	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3428	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3429	+
3430	+	for (CompletableFuture<?> future : fs)
3431	+	checkCompletedWithWrappedException(future, e.ex);
3432	+	futures.addAll(fs);
3433	+	}
3434	+
3435	+	incomplete.complete(v);
3436	+
3437	+	for (CompletableFuture<?> future : futures)
3438	+	checkCompletedWithWrappedException(future, e.ex);
3439	+
3440	+	assertEquals(futures.size(), e.count.get());
3441	+	}}
3442	+
3443	+	/**
3444	+	* Test submissions to an executor that rejects all tasks, but
3445	+	* should never be invoked because the dependent future is
3446	+	* explicitly completed.
3447	+	*/
3448	+	public void testRejectingExecutorNeverInvoked() {
3449	+	for (Integer v : new Integer[] { 1, null })
3450	+	{
3451	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3452	+
3453	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3454	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3455	+
3456	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3457	+
3458	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3459	+	srcs.add(complete);
3460	+	srcs.add(incomplete);
3461	+
3462	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3463	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3464	+	fs.add(incomplete.thenAcceptAsync((z) -> {}, e));
3465	+	fs.add(incomplete.thenApplyAsync((z) -> z, e));
3466	+
3467	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3468	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3469	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3470	+
3471	+	fs.add(incomplete.applyToEitherAsync(incomplete, (z) -> z, e));
3472	+	fs.add(incomplete.acceptEitherAsync(incomplete, (z) -> {}, e));
3473	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3474	+
3475	+	fs.add(incomplete.thenComposeAsync((z) -> null, e));
3476	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3477	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3478	+
3479	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3480	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3481	+
3482	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3483	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3484	+
3485	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3486	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3487	+
3488	+	for (CompletableFuture<?> future : fs)
3489	+	checkIncomplete(future);
3490	+
3491	+	for (CompletableFuture<?> future : fs)
3492	+	future.complete(null);
3493	+
3494	+	incomplete.complete(v);
3495	+
3496	+	for (CompletableFuture<?> future : fs)
3497	+	checkCompletedNormally(future, null);
3498	+
3499	+	assertEquals(0, e.count.get());
3500	+	}}
3501	+
3502	+	/**
3503		* toCompletableFuture returns this CompletableFuture.
3504		*/
3505		public void testToCompletableFuture() {
#	Line 3525 | Line 3715 | public class CompletableFutureTest exten
3715		long timeoutMillis = timeoutMillis();
3716		CompletableFuture<Integer> f = new CompletableFuture<>();
3717		long startTime = System.nanoTime();
3718	<	f.orTimeout(timeoutMillis, MILLISECONDS);
3718	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3719		checkCompletedWithTimeoutException(f);
3720		assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3721		}
#	Line 3540 | Line 3730 | public class CompletableFutureTest exten
3730		CompletableFuture<Integer> g = new CompletableFuture<>();
3731		long startTime = System.nanoTime();
3732		f.complete(v1);
3733	<	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3734	<	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3733	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3734	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3735		g.complete(v1);
3736		checkCompletedNormally(f, v1);
3737		checkCompletedNormally(g, v1);
#	Line 3556 | Line 3746 | public class CompletableFutureTest exten
3746		() -> testCompleteOnTimeout_timesOut(null));
3747		}
3748
3749	+	/**
3750	+	* completeOnTimeout completes with given value if not complete
3751	+	*/
3752		public void testCompleteOnTimeout_timesOut(Integer v) {
3753		long timeoutMillis = timeoutMillis();
3754		CompletableFuture<Integer> f = new CompletableFuture<>();
3755		long startTime = System.nanoTime();
3756	<	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3756	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3757		assertSame(v, f.join());
3758		assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3759		f.complete(99);         // should have no effect
#	Line 3577 | Line 3770 | public class CompletableFutureTest exten
3770		CompletableFuture<Integer> g = new CompletableFuture<>();
3771		long startTime = System.nanoTime();
3772		f.complete(v1);
3773	<	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3774	<	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3773	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3774	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3775		g.complete(v1);
3776		checkCompletedNormally(f, v1);
3777		checkCompletedNormally(g, v1);
#	Line 3629 | Line 3822 | public class CompletableFutureTest exten
3822		//--- tests of implementation details; not part of official tck ---
3823
3824		Object resultOf(CompletableFuture<?> f) {
3825	+	SecurityManager sm = System.getSecurityManager();
3826	+	if (sm != null) {
3827	+	try {
3828	+	System.setSecurityManager(null);
3829	+	} catch (SecurityException giveUp) {
3830	+	return "Reflection not available";
3831	+	}
3832	+	}
3833	+
3834		try {
3835		java.lang.reflect.Field resultField
3836		= CompletableFuture.class.getDeclaredField("result");
3837		resultField.setAccessible(true);
3838		return resultField.get(f);
3839	<	} catch (Throwable t) { throw new AssertionError(t); }
3839	>	} catch (Throwable t) {
3840	>	throw new AssertionError(t);
3841	>	} finally {
3842	>	if (sm != null) System.setSecurityManager(sm);
3843	>	}
3844		}
3845
3846		public void testExceptionPropagationReusesResultObject() {
#	Line 3645 | Line 3851 | public class CompletableFutureTest exten
3851		final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3852		final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3853
3854	+	final Runnable noopRunnable = new Noop(m);
3855	+	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3856	+	final Function<Integer, Integer> incFunction = new IncFunction(m);
3857	+
3858		List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3859		= new ArrayList<>();
3860
3861	<	funs.add((y) -> m.thenRun(y, new Noop(m)));
3862	<	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3863	<	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3864	<
3865	<	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3866	<	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3867	<	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3861	>	funs.add((y) -> m.thenRun(y, noopRunnable));
3862	>	funs.add((y) -> m.thenAccept(y, noopConsumer));
3863	>	funs.add((y) -> m.thenApply(y, incFunction));
3864	>
3865	>	funs.add((y) -> m.runAfterEither(y, incomplete, noopRunnable));
3866	>	funs.add((y) -> m.acceptEither(y, incomplete, noopConsumer));
3867	>	funs.add((y) -> m.applyToEither(y, incomplete, incFunction));
3868
3869	<	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3869	>	funs.add((y) -> m.runAfterBoth(y, v42, noopRunnable));
3870	>	funs.add((y) -> m.runAfterBoth(v42, y, noopRunnable));
3871		funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3872	+	funs.add((y) -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3873		funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3874	+	funs.add((y) -> m.thenCombine(v42, y, new SubtractFunction(m)));
3875
3876		funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3877
3878		funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3879
3880	<	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3881	<	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3880	>	funs.add((y) -> CompletableFuture.allOf(y));
3881	>	funs.add((y) -> CompletableFuture.allOf(y, v42));
3882	>	funs.add((y) -> CompletableFuture.allOf(v42, y));
3883	>	funs.add((y) -> CompletableFuture.anyOf(y));
3884	>	funs.add((y) -> CompletableFuture.anyOf(y, incomplete));
3885	>	funs.add((y) -> CompletableFuture.anyOf(incomplete, y));
3886
3887		for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3888		fun : funs) {
3889		CompletableFuture<Integer> f = new CompletableFuture<>();
3890		f.completeExceptionally(ex);
3891	<	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3891	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3892		checkCompletedWithWrappedException(src, ex);
3893		CompletableFuture<?> dep = fun.apply(src);
3894		checkCompletedWithWrappedException(dep, ex);
#	Line 3681 | Line 3898 | public class CompletableFutureTest exten
3898		for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3899		fun : funs) {
3900		CompletableFuture<Integer> f = new CompletableFuture<>();
3901	<	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3901	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3902		CompletableFuture<?> dep = fun.apply(src);
3903		f.completeExceptionally(ex);
3904		checkCompletedWithWrappedException(src, ex);
#	Line 3695 | Line 3912 | public class CompletableFutureTest exten
3912		CompletableFuture<Integer> f = new CompletableFuture<>();
3913		f.cancel(mayInterruptIfRunning);
3914		checkCancelled(f);
3915	<	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3915	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3916		checkCompletedWithWrappedCancellationException(src);
3917		CompletableFuture<?> dep = fun.apply(src);
3918		checkCompletedWithWrappedCancellationException(dep);
#	Line 3706 | Line 3923 | public class CompletableFutureTest exten
3923		for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3924		fun : funs) {
3925		CompletableFuture<Integer> f = new CompletableFuture<>();
3926	<	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3926	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3927		CompletableFuture<?> dep = fun.apply(src);
3928		f.cancel(mayInterruptIfRunning);
3929		checkCancelled(f);
#	Line 3717 | Line 3934 | public class CompletableFutureTest exten
3934		}}
3935
3936		/**
3937	<	* Minimal completion stages throw UOE for all non-CompletionStage methods
3937	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3938		*/
3939		public void testMinimalCompletionStage_minimality() {
3940		if (!testImplementationDetails) return;
#	Line 3746 | Line 3963 | public class CompletableFutureTest exten
3963		.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3964		.collect(Collectors.toList());
3965
3966	<	CompletionStage<Integer> minimalStage =
3967	<	new CompletableFuture<Integer>().minimalCompletionStage();
3966	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
3967	>	stages.add(new CompletableFuture<Integer>().minimalCompletionStage());
3968	>	stages.add(CompletableFuture.completedStage(1));
3969	>	stages.add(CompletableFuture.failedStage(new CFException()));
3970
3971		List<Method> bugs = new ArrayList<>();
3972		for (Method method : allMethods) {
#	Line 3763 | Line 3982 | public class CompletableFutureTest exten
3982		else if (parameterTypes[i] == long.class)
3983		args[i] = 0L;
3984		}
3985	<	try {
3986	<	method.invoke(minimalStage, args);
3987	<	bugs.add(method);
3769	<	}
3770	<	catch (java.lang.reflect.InvocationTargetException expected) {
3771	<	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3985	>	for (CompletionStage<Integer> stage : stages) {
3986	>	try {
3987	>	method.invoke(stage, args);
3988		bugs.add(method);
3773	–	// expected.getCause().printStackTrace();
3989		}
3990	+	catch (java.lang.reflect.InvocationTargetException expected) {
3991	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3992	+	bugs.add(method);
3993	+	// expected.getCause().printStackTrace();
3994	+	}
3995	+	}
3996	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3997		}
3776	–	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3998		}
3999		if (!bugs.isEmpty())
4000	<	throw new Error("Methods did not throw UOE: " + bugs.toString());
4000	>	throw new Error("Methods did not throw UOE: " + bugs);
4001		}
4002
4003		static class Monad {
#	Line 3925 | Line 4146 | public class CompletableFutureTest exten
4146		Monad.plus(godot, Monad.unit(5L)));
4147		}
4148
4149	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4150	+	public void testRecursiveChains() throws Throwable {
4151	+	for (ExecutionMode m : ExecutionMode.values())
4152	+	for (boolean addDeadEnds : new boolean[] { true, false })
4153	+	{
4154	+	final int val = 42;
4155	+	final int n = expensiveTests ? 1_000 : 2;
4156	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4157	+	CompletableFuture<Integer> tail = head;
4158	+	for (int i = 0; i < n; i++) {
4159	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4160	+	tail = m.thenApply(tail, v -> v + 1);
4161	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4162	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4163	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4164	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4165	+	}
4166	+	head.complete(val);
4167	+	assertEquals(val + 3 * n, (int) tail.join());
4168	+	}}
4169	+
4170		/**
4171		* A single CompletableFuture with many dependents.
4172		* A demo of scalability - runtime is O(n).
4173		*/
4174		public void testManyDependents() throws Throwable {
4175	<	final int n = 1_000;
4175	>	final int n = expensiveTests ? 1_000_000 : 10;
4176		final CompletableFuture<Void> head = new CompletableFuture<>();
4177		final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4178		final AtomicInteger count = new AtomicInteger(0);
#	Line 3957 | Line 4199 | public class CompletableFutureTest exten
4199		assertEquals(5 * 3 * n, count.get());
4200		}
4201
4202	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4203	+	public void testCoCompletionGarbageRetention() throws Throwable {
4204	+	final int n = expensiveTests ? 1_000_000 : 10;
4205	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4206	+	CompletableFuture<Integer> f;
4207	+	for (int i = 0; i < n; i++) {
4208	+	f = new CompletableFuture<>();
4209	+	f.runAfterEither(incomplete, () -> {});
4210	+	f.complete(null);
4211	+
4212	+	f = new CompletableFuture<>();
4213	+	f.acceptEither(incomplete, (x) -> {});
4214	+	f.complete(null);
4215	+
4216	+	f = new CompletableFuture<>();
4217	+	f.applyToEither(incomplete, (x) -> x);
4218	+	f.complete(null);
4219	+
4220	+	f = new CompletableFuture<>();
4221	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4222	+	f.complete(null);
4223	+	}
4224	+
4225	+	for (int i = 0; i < n; i++) {
4226	+	f = new CompletableFuture<>();
4227	+	incomplete.runAfterEither(f, () -> {});
4228	+	f.complete(null);
4229	+
4230	+	f = new CompletableFuture<>();
4231	+	incomplete.acceptEither(f, (x) -> {});
4232	+	f.complete(null);
4233	+
4234	+	f = new CompletableFuture<>();
4235	+	incomplete.applyToEither(f, (x) -> x);
4236	+	f.complete(null);
4237	+
4238	+	f = new CompletableFuture<>();
4239	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4240	+	f.complete(null);
4241	+	}
4242	+	}
4243	+
4244	+	/**
4245	+	* Reproduction recipe for:
4246	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4247	+	* 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
4248	+	*/
4249	+	public void testAnyOfGarbageRetention() throws Throwable {
4250	+	for (Integer v : new Integer[] { 1, null })
4251	+	{
4252	+	final int n = expensiveTests ? 100_000 : 10;
4253	+	CompletableFuture<Integer>[] fs
4254	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4255	+	for (int i = 0; i < fs.length; i++)
4256	+	fs[i] = new CompletableFuture<>();
4257	+	fs[fs.length - 1].complete(v);
4258	+	for (int i = 0; i < n; i++)
4259	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4260	+	}}
4261	+
4262	+	/**
4263	+	* Checks for garbage retention with allOf.
4264	+	*
4265	+	* As of 2016-07, fails with OOME:
4266	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4267	+	*/
4268	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4269	+	final int n = expensiveTests ? 100_000 : 10;
4270	+	CompletableFuture<Integer>[] fs
4271	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4272	+	for (int i = 0; i < fs.length; i++)
4273	+	fs[i] = new CompletableFuture<>();
4274	+	for (int i = 0; i < n; i++)
4275	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4276	+	}
4277	+
4278	+	/**
4279	+	* Checks for garbage retention when a dependent future is
4280	+	* cancelled and garbage-collected.
4281	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4282	+	*
4283	+	* As of 2016-07, fails with OOME:
4284	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4285	+	*/
4286	+	public void testCancelledGarbageRetention() throws Throwable {
4287	+	final int n = expensiveTests ? 100_000 : 10;
4288	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4289	+	for (int i = 0; i < n; i++)
4290	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4291	+	}
4292	+
4293		//     static <U> U join(CompletionStage<U> stage) {
4294		//         CompletableFuture<U> f = new CompletableFuture<>();
4295		//         stage.whenComplete((v, ex) -> {

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