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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.191 by jsr166, Sun Jan 7 22:59:17 2018 UTC vs.
Revision 1.217 by jsr166, Sat Nov 24 18:13:28 2018 UTC

#	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 60 | Line 59 | public class CompletableFutureTest exten
59		assertFalse(f.isDone());
60		assertFalse(f.isCancelled());
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(randomExpiredTimeout(), randomTimeUnit());
71		shouldThrow();
#	Line 71 | Line 74 | public class CompletableFutureTest exten
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	<	assertEquals(value, f.getNow(null));
80	<	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());
#	Line 292 | 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 544 | Line 551 | public class CompletableFutureTest exten
551		public CompletableFuture<Integer> apply(Integer x) {
552		invoked();
553		value = x;
554	<	CompletableFuture<Integer> f = new CompletableFuture<>();
555	<	assertTrue(f.complete(inc(x)));
556	<	return f;
554	>	return CompletableFuture.completedFuture(inc(x));
555	>	}
556	>	}
557	>
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
#	Line 665 | 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		},
669	–
704		ASYNC {
705		public void checkExecutionMode() {
706		assertEquals(defaultExecutorIsCommonPool,
#	Line 739 | 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 812 | 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 854 | 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 861 | 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		{
867	–	final AtomicInteger a = new AtomicInteger(0);
929		final CompletableFuture<Integer> f = new CompletableFuture<>();
930		if (!createIncomplete) assertTrue(f.complete(v1));
931	<	final CompletableFuture<Integer> g = f.exceptionally
932	<	((Throwable t) -> {
872	<	a.getAndIncrement();
931	>	final CompletableFuture<Integer> g = m.exceptionally
932	>	(f, (Throwable t) -> {
933		threadFail("should not be called");
934		return null;            // unreached
935		});
#	Line 877 | Line 937 | public class CompletableFutureTest exten
937
938		checkCompletedNormally(g, v1);
939		checkCompletedNormally(f, v1);
880	–	assertEquals(0, a.get());
940		}}
941
942		/**
#	Line 885 | Line 944 | public class CompletableFutureTest exten
944		* exception
945		*/
946		public void testExceptionally_exceptionalCompletion() {
947	+	for (ExecutionMode m : ExecutionMode.values())
948		for (boolean createIncomplete : new boolean[] { true, false })
949		for (Integer v1 : new Integer[] { 1, null })
950		{
#	Line 892 | Line 952 | public class CompletableFutureTest exten
952		final CFException ex = new CFException();
953		final CompletableFuture<Integer> f = new CompletableFuture<>();
954		if (!createIncomplete) f.completeExceptionally(ex);
955	<	final CompletableFuture<Integer> g = f.exceptionally
956	<	((Throwable t) -> {
957	<	ExecutionMode.SYNC.checkExecutionMode();
958	<	threadAssertSame(t, ex);
955	>	final CompletableFuture<Integer> g = m.exceptionally
956	>	(f, (Throwable t) -> {
957	>	m.checkExecutionMode();
958	>	assertSame(t, ex);
959		a.getAndIncrement();
960		return v1;
961		});
#	Line 910 | Line 970 | public class CompletableFutureTest exten
970		* exceptionally with that exception
971		*/
972		public void testExceptionally_exceptionalCompletionActionFailed() {
973	+	for (ExecutionMode m : ExecutionMode.values())
974		for (boolean createIncomplete : new boolean[] { true, false })
975		{
976		final AtomicInteger a = new AtomicInteger(0);
#	Line 917 | Line 978 | public class CompletableFutureTest exten
978		final CFException ex2 = new CFException();
979		final CompletableFuture<Integer> f = new CompletableFuture<>();
980		if (!createIncomplete) f.completeExceptionally(ex1);
981	<	final CompletableFuture<Integer> g = f.exceptionally
982	<	((Throwable t) -> {
983	<	ExecutionMode.SYNC.checkExecutionMode();
984	<	threadAssertSame(t, ex1);
981	>	final CompletableFuture<Integer> g = m.exceptionally
982	>	(f, (Throwable t) -> {
983	>	m.checkExecutionMode();
984	>	assertSame(t, ex1);
985		a.getAndIncrement();
986		throw ex2;
987		});
#	Line 947 | Line 1008 | public class CompletableFutureTest exten
1008		(f,
1009		(Integer result, Throwable t) -> {
1010		m.checkExecutionMode();
1011	<	threadAssertSame(result, v1);
1012	<	threadAssertNull(t);
1011	>	assertSame(result, v1);
1012	>	assertNull(t);
1013		a.getAndIncrement();
1014		});
1015		if (createIncomplete) assertTrue(f.complete(v1));
#	Line 974 | Line 1035 | public class CompletableFutureTest exten
1035		(f,
1036		(Integer result, Throwable t) -> {
1037		m.checkExecutionMode();
1038	<	threadAssertNull(result);
1039	<	threadAssertSame(t, ex);
1038	>	assertNull(result);
1039	>	assertSame(t, ex);
1040		a.getAndIncrement();
1041		});
1042		if (createIncomplete) f.completeExceptionally(ex);
#	Line 1001 | Line 1062 | public class CompletableFutureTest exten
1062		(f,
1063		(Integer result, Throwable t) -> {
1064		m.checkExecutionMode();
1065	<	threadAssertNull(result);
1066	<	threadAssertTrue(t instanceof CancellationException);
1065	>	assertNull(result);
1066	>	assertTrue(t instanceof CancellationException);
1067		a.getAndIncrement();
1068		});
1069		if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
#	Line 1029 | Line 1090 | public class CompletableFutureTest exten
1090		(f,
1091		(Integer result, Throwable t) -> {
1092		m.checkExecutionMode();
1093	<	threadAssertSame(result, v1);
1094	<	threadAssertNull(t);
1093	>	assertSame(result, v1);
1094	>	assertNull(t);
1095		a.getAndIncrement();
1096		throw ex;
1097		});
#	Line 1060 | Line 1121 | public class CompletableFutureTest exten
1121		(f,
1122		(Integer result, Throwable t) -> {
1123		m.checkExecutionMode();
1124	<	threadAssertSame(t, ex1);
1125	<	threadAssertNull(result);
1124	>	assertSame(t, ex1);
1125	>	assertNull(result);
1126		a.getAndIncrement();
1127		throw ex2;
1128		});
#	Line 1092 | Line 1153 | public class CompletableFutureTest exten
1153		(f,
1154		(Integer result, Throwable t) -> {
1155		m.checkExecutionMode();
1156	<	threadAssertSame(result, v1);
1157	<	threadAssertNull(t);
1156	>	assertSame(result, v1);
1157	>	assertNull(t);
1158		a.getAndIncrement();
1159		return inc(v1);
1160		});
#	Line 1121 | Line 1182 | public class CompletableFutureTest exten
1182		(f,
1183		(Integer result, Throwable t) -> {
1184		m.checkExecutionMode();
1185	<	threadAssertNull(result);
1186	<	threadAssertSame(t, ex);
1185	>	assertNull(result);
1186	>	assertSame(t, ex);
1187		a.getAndIncrement();
1188		return v1;
1189		});
#	Line 1150 | Line 1211 | public class CompletableFutureTest exten
1211		(f,
1212		(Integer result, Throwable t) -> {
1213		m.checkExecutionMode();
1214	<	threadAssertNull(result);
1215	<	threadAssertTrue(t instanceof CancellationException);
1214	>	assertNull(result);
1215	>	assertTrue(t instanceof CancellationException);
1216		a.getAndIncrement();
1217		return v1;
1218		});
#	Line 1179 | Line 1240 | public class CompletableFutureTest exten
1240		(f,
1241		(Integer result, Throwable t) -> {
1242		m.checkExecutionMode();
1243	<	threadAssertSame(result, v1);
1244	<	threadAssertNull(t);
1243	>	assertSame(result, v1);
1244	>	assertNull(t);
1245		a.getAndIncrement();
1246		throw ex;
1247		});
#	Line 1210 | Line 1271 | public class CompletableFutureTest exten
1271		(f,
1272		(Integer result, Throwable t) -> {
1273		m.checkExecutionMode();
1274	<	threadAssertNull(result);
1275	<	threadAssertSame(ex1, t);
1274	>	assertNull(result);
1275	>	assertSame(ex1, t);
1276		a.getAndIncrement();
1277		throw ex2;
1278		});
#	Line 3055 | Line 3116 | public class CompletableFutureTest exten
3116		case 0:
3117		assertTrue(f.complete(v1));
3118		assertTrue(g.completeExceptionally(ex));
3119	<	h = m.thenCompose(f, (x -> g));
3119	>	h = m.thenCompose(f, x -> g);
3120		break;
3121		case 1:
3122		assertTrue(f.complete(v1));
3123	<	h = m.thenCompose(f, (x -> g));
3123	>	h = m.thenCompose(f, x -> g);
3124		assertTrue(g.completeExceptionally(ex));
3125		break;
3126		case 2:
3127		assertTrue(g.completeExceptionally(ex));
3128		assertTrue(f.complete(v1));
3129	<	h = m.thenCompose(f, (x -> g));
3129	>	h = m.thenCompose(f, x -> g);
3130		break;
3131		case 3:
3132		assertTrue(g.completeExceptionally(ex));
3133	<	h = m.thenCompose(f, (x -> g));
3133	>	h = m.thenCompose(f, x -> g);
3134		assertTrue(f.complete(v1));
3135		break;
3136		case 4:
3137	<	h = m.thenCompose(f, (x -> g));
3137	>	h = m.thenCompose(f, x -> g);
3138		assertTrue(f.complete(v1));
3139		assertTrue(g.completeExceptionally(ex));
3140		break;
3141		case 5:
3142	<	h = m.thenCompose(f, (x -> g));
3142	>	h = m.thenCompose(f, x -> g);
3143		assertTrue(f.complete(v1));
3144		assertTrue(g.completeExceptionally(ex));
3145		break;
#	Line 3090 | Line 3151 | public class CompletableFutureTest exten
3151		checkCompletedNormally(f, v1);
3152		}}
3153
3154	+	/**
3155	+	* exceptionallyCompose result completes normally after normal
3156	+	* completion of source
3157	+	*/
3158	+	public void testExceptionallyCompose_normalCompletion() {
3159	+	for (ExecutionMode m : ExecutionMode.values())
3160	+	for (boolean createIncomplete : new boolean[] { true, false })
3161	+	for (Integer v1 : new Integer[] { 1, null })
3162	+	{
3163	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3164	+	final ExceptionalCompletableFutureFunction r =
3165	+	new ExceptionalCompletableFutureFunction(m);
3166	+	if (!createIncomplete) assertTrue(f.complete(v1));
3167	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3168	+	if (createIncomplete) assertTrue(f.complete(v1));
3169	+
3170	+	checkCompletedNormally(f, v1);
3171	+	checkCompletedNormally(g, v1);
3172	+	r.assertNotInvoked();
3173	+	}}
3174	+
3175	+	/**
3176	+	* exceptionallyCompose result completes normally after exceptional
3177	+	* completion of source
3178	+	*/
3179	+	public void testExceptionallyCompose_exceptionalCompletion() {
3180	+	for (ExecutionMode m : ExecutionMode.values())
3181	+	for (boolean createIncomplete : new boolean[] { true, false })
3182	+	{
3183	+	final CFException ex = new CFException();
3184	+	final ExceptionalCompletableFutureFunction r =
3185	+	new ExceptionalCompletableFutureFunction(m);
3186	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3187	+	if (!createIncomplete) f.completeExceptionally(ex);
3188	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3189	+	if (createIncomplete) f.completeExceptionally(ex);
3190	+
3191	+	checkCompletedExceptionally(f, ex);
3192	+	checkCompletedNormally(g, r.value);
3193	+	r.assertInvoked();
3194	+	}}
3195	+
3196	+	/**
3197	+	* exceptionallyCompose completes exceptionally on exception if action does
3198	+	*/
3199	+	public void testExceptionallyCompose_actionFailed() {
3200	+	for (ExecutionMode m : ExecutionMode.values())
3201	+	for (boolean createIncomplete : new boolean[] { true, false })
3202	+	{
3203	+	final CFException ex = new CFException();
3204	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3205	+	final FailingExceptionalCompletableFutureFunction r
3206	+	= new FailingExceptionalCompletableFutureFunction(m);
3207	+	if (!createIncomplete) f.completeExceptionally(ex);
3208	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3209	+	if (createIncomplete) f.completeExceptionally(ex);
3210	+
3211	+	checkCompletedExceptionally(f, ex);
3212	+	checkCompletedWithWrappedException(g, r.ex);
3213	+	r.assertInvoked();
3214	+	}}
3215	+
3216	+	/**
3217	+	* exceptionallyCompose result completes exceptionally if the
3218	+	* result of the action does
3219	+	*/
3220	+	public void testExceptionallyCompose_actionReturnsFailingFuture() {
3221	+	for (ExecutionMode m : ExecutionMode.values())
3222	+	for (int order = 0; order < 6; order++)
3223	+	{
3224	+	final CFException ex0 = new CFException();
3225	+	final CFException ex = new CFException();
3226	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3227	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
3228	+	final CompletableFuture<Integer> h;
3229	+	// Test all permutations of orders
3230	+	switch (order) {
3231	+	case 0:
3232	+	assertTrue(f.completeExceptionally(ex0));
3233	+	assertTrue(g.completeExceptionally(ex));
3234	+	h = m.exceptionallyCompose(f, x -> g);
3235	+	break;
3236	+	case 1:
3237	+	assertTrue(f.completeExceptionally(ex0));
3238	+	h = m.exceptionallyCompose(f, x -> g);
3239	+	assertTrue(g.completeExceptionally(ex));
3240	+	break;
3241	+	case 2:
3242	+	assertTrue(g.completeExceptionally(ex));
3243	+	assertTrue(f.completeExceptionally(ex0));
3244	+	h = m.exceptionallyCompose(f, x -> g);
3245	+	break;
3246	+	case 3:
3247	+	assertTrue(g.completeExceptionally(ex));
3248	+	h = m.exceptionallyCompose(f, x -> g);
3249	+	assertTrue(f.completeExceptionally(ex0));
3250	+	break;
3251	+	case 4:
3252	+	h = m.exceptionallyCompose(f, x -> g);
3253	+	assertTrue(f.completeExceptionally(ex0));
3254	+	assertTrue(g.completeExceptionally(ex));
3255	+	break;
3256	+	case 5:
3257	+	h = m.exceptionallyCompose(f, x -> g);
3258	+	assertTrue(f.completeExceptionally(ex0));
3259	+	assertTrue(g.completeExceptionally(ex));
3260	+	break;
3261	+	default: throw new AssertionError();
3262	+	}
3263	+
3264	+	checkCompletedExceptionally(g, ex);
3265	+	checkCompletedWithWrappedException(h, ex);
3266	+	checkCompletedExceptionally(f, ex0);
3267	+	}}
3268	+
3269		// other static methods
3270
3271		/**
#	Line 3469 | Line 3645 | public class CompletableFutureTest exten
3645		final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3646		final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3647
3472	–	List<CompletableFuture<?>> futures = new ArrayList<>();
3473	–
3474	–	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3475	–	srcs.add(complete);
3476	–	srcs.add(incomplete);
3477	–
3648		List<CompletableFuture<?>> fs = new ArrayList<>();
3649		fs.add(incomplete.thenRunAsync(() -> {}, e));
3650		fs.add(incomplete.thenAcceptAsync(z -> {}, e));
#	Line 4190 | Line 4360 | public class CompletableFutureTest exten
4360		static void assertZero(CompletableFuture<?> f) {
4361		try {
4362		f.getNow(null);
4363	<	throw new AssertionFailedError("should throw");
4363	>	throw new AssertionError("should throw");
4364		} catch (CompletionException success) {
4365		assertTrue(success.getCause() instanceof ZeroException);
4366		}
#	Line 4389 | Line 4559 | public class CompletableFutureTest exten
4559		f.complete(null);
4560
4561		f = new CompletableFuture<>();
4562	<	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4562	>	CompletableFuture.anyOf(f, incomplete);
4563		f.complete(null);
4564		}
4565
#	Line 4407 | Line 4577 | public class CompletableFutureTest exten
4577		f.complete(null);
4578
4579		f = new CompletableFuture<>();
4580	<	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4580	>	CompletableFuture.anyOf(incomplete, f);
4581		f.complete(null);
4582		}
4583		}
#	Line 4501 | Line 4671 | public class CompletableFutureTest exten
4671		//         return stage.toCompletableFuture().copy().isDone();
4672		//     }
4673
4674	+	// For testing default implementations
4675	+	// Only non-default interface methods defined.
4676	+	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4677	+	final CompletableFuture<T> cf;
4678	+	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4679	+	public CompletableFuture<T> toCompletableFuture() {
4680	+	return cf; }
4681	+	public CompletionStage<Void> thenRun
4682	+	(Runnable action) {
4683	+	return cf.thenRun(action); }
4684	+	public CompletionStage<Void> thenRunAsync
4685	+	(Runnable action) {
4686	+	return cf.thenRunAsync(action); }
4687	+	public CompletionStage<Void> thenRunAsync
4688	+	(Runnable action,
4689	+	Executor executor) {
4690	+	return cf.thenRunAsync(action, executor); }
4691	+	public CompletionStage<Void> thenAccept
4692	+	(Consumer<? super T> action) {
4693	+	return cf.thenAccept(action); }
4694	+	public CompletionStage<Void> thenAcceptAsync
4695	+	(Consumer<? super T> action) {
4696	+	return cf.thenAcceptAsync(action); }
4697	+	public CompletionStage<Void> thenAcceptAsync
4698	+	(Consumer<? super T> action,
4699	+	Executor executor) {
4700	+	return cf.thenAcceptAsync(action, executor); }
4701	+	public <U> CompletionStage<U> thenApply
4702	+	(Function<? super T,? extends U> a) {
4703	+	return cf.thenApply(a); }
4704	+	public <U> CompletionStage<U> thenApplyAsync
4705	+	(Function<? super T,? extends U> fn) {
4706	+	return cf.thenApplyAsync(fn); }
4707	+	public <U> CompletionStage<U> thenApplyAsync
4708	+	(Function<? super T,? extends U> fn,
4709	+	Executor executor) {
4710	+	return cf.thenApplyAsync(fn, executor); }
4711	+	public <U,V> CompletionStage<V> thenCombine
4712	+	(CompletionStage<? extends U> other,
4713	+	BiFunction<? super T,? super U,? extends V> fn) {
4714	+	return cf.thenCombine(other, fn); }
4715	+	public <U,V> CompletionStage<V> thenCombineAsync
4716	+	(CompletionStage<? extends U> other,
4717	+	BiFunction<? super T,? super U,? extends V> fn) {
4718	+	return cf.thenCombineAsync(other, fn); }
4719	+	public <U,V> CompletionStage<V> thenCombineAsync
4720	+	(CompletionStage<? extends U> other,
4721	+	BiFunction<? super T,? super U,? extends V> fn,
4722	+	Executor executor) {
4723	+	return cf.thenCombineAsync(other, fn, executor); }
4724	+	public <U> CompletionStage<Void> thenAcceptBoth
4725	+	(CompletionStage<? extends U> other,
4726	+	BiConsumer<? super T, ? super U> action) {
4727	+	return cf.thenAcceptBoth(other, action); }
4728	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4729	+	(CompletionStage<? extends U> other,
4730	+	BiConsumer<? super T, ? super U> action) {
4731	+	return cf.thenAcceptBothAsync(other, action); }
4732	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4733	+	(CompletionStage<? extends U> other,
4734	+	BiConsumer<? super T, ? super U> action,
4735	+	Executor executor) {
4736	+	return cf.thenAcceptBothAsync(other, action, executor); }
4737	+	public CompletionStage<Void> runAfterBoth
4738	+	(CompletionStage<?> other,
4739	+	Runnable action) {
4740	+	return cf.runAfterBoth(other, action); }
4741	+	public CompletionStage<Void> runAfterBothAsync
4742	+	(CompletionStage<?> other,
4743	+	Runnable action) {
4744	+	return cf.runAfterBothAsync(other, action); }
4745	+	public CompletionStage<Void> runAfterBothAsync
4746	+	(CompletionStage<?> other,
4747	+	Runnable action,
4748	+	Executor executor) {
4749	+	return cf.runAfterBothAsync(other, action, executor); }
4750	+	public <U> CompletionStage<U> applyToEither
4751	+	(CompletionStage<? extends T> other,
4752	+	Function<? super T, U> fn) {
4753	+	return cf.applyToEither(other, fn); }
4754	+	public <U> CompletionStage<U> applyToEitherAsync
4755	+	(CompletionStage<? extends T> other,
4756	+	Function<? super T, U> fn) {
4757	+	return cf.applyToEitherAsync(other, fn); }
4758	+	public <U> CompletionStage<U> applyToEitherAsync
4759	+	(CompletionStage<? extends T> other,
4760	+	Function<? super T, U> fn,
4761	+	Executor executor) {
4762	+	return cf.applyToEitherAsync(other, fn, executor); }
4763	+	public CompletionStage<Void> acceptEither
4764	+	(CompletionStage<? extends T> other,
4765	+	Consumer<? super T> action) {
4766	+	return cf.acceptEither(other, action); }
4767	+	public CompletionStage<Void> acceptEitherAsync
4768	+	(CompletionStage<? extends T> other,
4769	+	Consumer<? super T> action) {
4770	+	return cf.acceptEitherAsync(other, action); }
4771	+	public CompletionStage<Void> acceptEitherAsync
4772	+	(CompletionStage<? extends T> other,
4773	+	Consumer<? super T> action,
4774	+	Executor executor) {
4775	+	return cf.acceptEitherAsync(other, action, executor); }
4776	+	public CompletionStage<Void> runAfterEither
4777	+	(CompletionStage<?> other,
4778	+	Runnable action) {
4779	+	return cf.runAfterEither(other, action); }
4780	+	public CompletionStage<Void> runAfterEitherAsync
4781	+	(CompletionStage<?> other,
4782	+	Runnable action) {
4783	+	return cf.runAfterEitherAsync(other, action); }
4784	+	public CompletionStage<Void> runAfterEitherAsync
4785	+	(CompletionStage<?> other,
4786	+	Runnable action,
4787	+	Executor executor) {
4788	+	return cf.runAfterEitherAsync(other, action, executor); }
4789	+	public <U> CompletionStage<U> thenCompose
4790	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4791	+	return cf.thenCompose(fn); }
4792	+	public <U> CompletionStage<U> thenComposeAsync
4793	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4794	+	return cf.thenComposeAsync(fn); }
4795	+	public <U> CompletionStage<U> thenComposeAsync
4796	+	(Function<? super T, ? extends CompletionStage<U>> fn,
4797	+	Executor executor) {
4798	+	return cf.thenComposeAsync(fn, executor); }
4799	+	public <U> CompletionStage<U> handle
4800	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4801	+	return cf.handle(fn); }
4802	+	public <U> CompletionStage<U> handleAsync
4803	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4804	+	return cf.handleAsync(fn); }
4805	+	public <U> CompletionStage<U> handleAsync
4806	+	(BiFunction<? super T, Throwable, ? extends U> fn,
4807	+	Executor executor) {
4808	+	return cf.handleAsync(fn, executor); }
4809	+	public CompletionStage<T> whenComplete
4810	+	(BiConsumer<? super T, ? super Throwable> action) {
4811	+	return cf.whenComplete(action); }
4812	+	public CompletionStage<T> whenCompleteAsync
4813	+	(BiConsumer<? super T, ? super Throwable> action) {
4814	+	return cf.whenCompleteAsync(action); }
4815	+	public CompletionStage<T> whenCompleteAsync
4816	+	(BiConsumer<? super T, ? super Throwable> action,
4817	+	Executor executor) {
4818	+	return cf.whenCompleteAsync(action, executor); }
4819	+	public CompletionStage<T> exceptionally
4820	+	(Function<Throwable, ? extends T> fn) {
4821	+	return cf.exceptionally(fn); }
4822	+	}
4823	+
4824	+	/**
4825	+	* default-implemented exceptionallyAsync action is not invoked when
4826	+	* source completes normally, and source result is propagated
4827	+	*/
4828	+	public void testDefaultExceptionallyAsync_normalCompletion() {
4829	+	for (boolean createIncomplete : new boolean[] { true, false })
4830	+	for (Integer v1 : new Integer[] { 1, null })
4831	+	{
4832	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4833	+	final DelegatedCompletionStage<Integer> d =
4834	+	new DelegatedCompletionStage<Integer>(f);
4835	+	if (!createIncomplete) assertTrue(f.complete(v1));
4836	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4837	+	((Throwable t) -> {
4838	+	threadFail("should not be called");
4839	+	return null;            // unreached
4840	+	});
4841	+	if (createIncomplete) assertTrue(f.complete(v1));
4842	+
4843	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4844	+	}}
4845	+
4846	+	/**
4847	+	* default-implemented exceptionallyAsync action completes with
4848	+	* function value on source exception
4849	+	*/
4850	+	public void testDefaultExceptionallyAsync_exceptionalCompletion() {
4851	+	for (boolean createIncomplete : new boolean[] { true, false })
4852	+	for (Integer v1 : new Integer[] { 1, null })
4853	+	{
4854	+	final AtomicInteger a = new AtomicInteger(0);
4855	+	final CFException ex = new CFException();
4856	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4857	+	final DelegatedCompletionStage<Integer> d =
4858	+	new DelegatedCompletionStage<Integer>(f);
4859	+	if (!createIncomplete) f.completeExceptionally(ex);
4860	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4861	+	((Throwable t) -> {
4862	+	assertSame(t, ex);
4863	+	a.getAndIncrement();
4864	+	return v1;
4865	+	});
4866	+	if (createIncomplete) f.completeExceptionally(ex);
4867	+
4868	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4869	+	assertEquals(1, a.get());
4870	+	}}
4871	+
4872	+	/**
4873	+	* Under default implementation, if an "exceptionally action"
4874	+	* throws an exception, it completes exceptionally with that
4875	+	* exception
4876	+	*/
4877	+	public void testDefaultExceptionallyAsync_exceptionalCompletionActionFailed() {
4878	+	for (boolean createIncomplete : new boolean[] { true, false })
4879	+	{
4880	+	final AtomicInteger a = new AtomicInteger(0);
4881	+	final CFException ex1 = new CFException();
4882	+	final CFException ex2 = new CFException();
4883	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4884	+	final DelegatedCompletionStage<Integer> d =
4885	+	new DelegatedCompletionStage<Integer>(f);
4886	+	if (!createIncomplete) f.completeExceptionally(ex1);
4887	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4888	+	((Throwable t) -> {
4889	+	assertSame(t, ex1);
4890	+	a.getAndIncrement();
4891	+	throw ex2;
4892	+	});
4893	+	if (createIncomplete) f.completeExceptionally(ex1);
4894	+
4895	+	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4896	+	checkCompletedExceptionally(f, ex1);
4897	+	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4898	+	assertEquals(1, a.get());
4899	+	}}
4900	+
4901	+	/**
4902	+	* default-implemented exceptionallyCompose result completes
4903	+	* normally after normal completion of source
4904	+	*/
4905	+	public void testDefaultExceptionallyCompose_normalCompletion() {
4906	+	for (boolean createIncomplete : new boolean[] { true, false })
4907	+	for (Integer v1 : new Integer[] { 1, null })
4908	+	{
4909	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4910	+	final ExceptionalCompletableFutureFunction r =
4911	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4912	+	final DelegatedCompletionStage<Integer> d =
4913	+	new DelegatedCompletionStage<Integer>(f);
4914	+	if (!createIncomplete) assertTrue(f.complete(v1));
4915	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4916	+	if (createIncomplete) assertTrue(f.complete(v1));
4917	+
4918	+	checkCompletedNormally(f, v1);
4919	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4920	+	r.assertNotInvoked();
4921	+	}}
4922	+
4923	+	/**
4924	+	* default-implemented exceptionallyCompose result completes
4925	+	* normally after exceptional completion of source
4926	+	*/
4927	+	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4928	+	for (boolean createIncomplete : new boolean[] { true, false })
4929	+	{
4930	+	final CFException ex = new CFException();
4931	+	final ExceptionalCompletableFutureFunction r =
4932	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4933	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4934	+	final DelegatedCompletionStage<Integer> d =
4935	+	new DelegatedCompletionStage<Integer>(f);
4936	+	if (!createIncomplete) f.completeExceptionally(ex);
4937	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4938	+	if (createIncomplete) f.completeExceptionally(ex);
4939	+
4940	+	checkCompletedExceptionally(f, ex);
4941	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
4942	+	r.assertInvoked();
4943	+	}}
4944	+
4945	+	/**
4946	+	* default-implemented exceptionallyCompose completes
4947	+	* exceptionally on exception if action does
4948	+	*/
4949	+	public void testDefaultExceptionallyCompose_actionFailed() {
4950	+	for (boolean createIncomplete : new boolean[] { true, false })
4951	+	{
4952	+	final CFException ex = new CFException();
4953	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4954	+	final FailingExceptionalCompletableFutureFunction r
4955	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4956	+	final DelegatedCompletionStage<Integer> d =
4957	+	new DelegatedCompletionStage<Integer>(f);
4958	+	if (!createIncomplete) f.completeExceptionally(ex);
4959	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4960	+	if (createIncomplete) f.completeExceptionally(ex);
4961	+
4962	+	checkCompletedExceptionally(f, ex);
4963	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4964	+	r.assertInvoked();
4965	+	}}
4966	+
4967	+	/**
4968	+	* default-implemented exceptionallyComposeAsync result completes
4969	+	* normally after normal completion of source
4970	+	*/
4971	+	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4972	+	for (boolean createIncomplete : new boolean[] { true, false })
4973	+	for (Integer v1 : new Integer[] { 1, null })
4974	+	{
4975	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4976	+	final ExceptionalCompletableFutureFunction r =
4977	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4978	+	final DelegatedCompletionStage<Integer> d =
4979	+	new DelegatedCompletionStage<Integer>(f);
4980	+	if (!createIncomplete) assertTrue(f.complete(v1));
4981	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4982	+	if (createIncomplete) assertTrue(f.complete(v1));
4983	+
4984	+	checkCompletedNormally(f, v1);
4985	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4986	+	r.assertNotInvoked();
4987	+	}}
4988	+
4989	+	/**
4990	+	* default-implemented exceptionallyComposeAsync result completes
4991	+	* normally after exceptional completion of source
4992	+	*/
4993	+	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
4994	+	for (boolean createIncomplete : new boolean[] { true, false })
4995	+	{
4996	+	final CFException ex = new CFException();
4997	+	final ExceptionalCompletableFutureFunction r =
4998	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4999	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5000	+	final DelegatedCompletionStage<Integer> d =
5001	+	new DelegatedCompletionStage<Integer>(f);
5002	+	if (!createIncomplete) f.completeExceptionally(ex);
5003	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5004	+	if (createIncomplete) f.completeExceptionally(ex);
5005	+
5006	+	checkCompletedExceptionally(f, ex);
5007	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
5008	+	r.assertInvoked();
5009	+	}}
5010	+
5011	+	/**
5012	+	* default-implemented exceptionallyComposeAsync completes
5013	+	* exceptionally on exception if action does
5014	+	*/
5015	+	public void testDefaultExceptionallyComposeAsync_actionFailed() {
5016	+	for (boolean createIncomplete : new boolean[] { true, false })
5017	+	{
5018	+	final CFException ex = new CFException();
5019	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5020	+	final FailingExceptionalCompletableFutureFunction r
5021	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5022	+	final DelegatedCompletionStage<Integer> d =
5023	+	new DelegatedCompletionStage<Integer>(f);
5024	+	if (!createIncomplete) f.completeExceptionally(ex);
5025	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5026	+	if (createIncomplete) f.completeExceptionally(ex);
5027	+
5028	+	checkCompletedExceptionally(f, ex);
5029	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5030	+	r.assertInvoked();
5031	+	}}
5032	+
5033	+	/**
5034	+	* default-implemented exceptionallyComposeAsync result completes
5035	+	* normally after normal completion of source
5036	+	*/
5037	+	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
5038	+	for (boolean createIncomplete : new boolean[] { true, false })
5039	+	for (Integer v1 : new Integer[] { 1, null })
5040	+	{
5041	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5042	+	final ExceptionalCompletableFutureFunction r =
5043	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5044	+	final DelegatedCompletionStage<Integer> d =
5045	+	new DelegatedCompletionStage<Integer>(f);
5046	+	if (!createIncomplete) assertTrue(f.complete(v1));
5047	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5048	+	if (createIncomplete) assertTrue(f.complete(v1));
5049	+
5050	+	checkCompletedNormally(f, v1);
5051	+	checkCompletedNormally(g.toCompletableFuture(), v1);
5052	+	r.assertNotInvoked();
5053	+	}}
5054	+
5055	+	/**
5056	+	* default-implemented exceptionallyComposeAsync result completes
5057	+	* normally after exceptional completion of source
5058	+	*/
5059	+	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5060	+	for (boolean createIncomplete : new boolean[] { true, false })
5061	+	{
5062	+	final CFException ex = new CFException();
5063	+	final ExceptionalCompletableFutureFunction r =
5064	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5065	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5066	+	final DelegatedCompletionStage<Integer> d =
5067	+	new DelegatedCompletionStage<Integer>(f);
5068	+	if (!createIncomplete) f.completeExceptionally(ex);
5069	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5070	+	if (createIncomplete) f.completeExceptionally(ex);
5071	+
5072	+	checkCompletedExceptionally(f, ex);
5073	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
5074	+	r.assertInvoked();
5075	+	}}
5076	+
5077	+	/**
5078	+	* default-implemented exceptionallyComposeAsync completes
5079	+	* exceptionally on exception if action does
5080	+	*/
5081	+	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5082	+	for (boolean createIncomplete : new boolean[] { true, false })
5083	+	{
5084	+	final CFException ex = new CFException();
5085	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5086	+	final FailingExceptionalCompletableFutureFunction r
5087	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5088	+	final DelegatedCompletionStage<Integer> d =
5089	+	new DelegatedCompletionStage<Integer>(f);
5090	+	if (!createIncomplete) f.completeExceptionally(ex);
5091	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5092	+	if (createIncomplete) f.completeExceptionally(ex);
5093	+
5094	+	checkCompletedExceptionally(f, ex);
5095	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5096	+	r.assertInvoked();
5097	+	}}
5098	+
5099		}

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