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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.181 by jsr166, Sat Nov 26 20:32:24 2016 UTC vs.
Revision 1.215 by jsr166, Wed Nov 21 23:19:03 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 59 | Line 58 | public class CompletableFutureTest exten
58		void checkIncomplete(CompletableFuture<?> f) {
59		assertFalse(f.isDone());
60		assertFalse(f.isCancelled());
61	<	assertTrue(f.toString().contains("Not completed"));
61	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
62	>
63	>	Object result = null;
64		try {
65	<	assertNull(f.getNow(null));
65	>	result = f.getNow(null);
66		} catch (Throwable fail) { threadUnexpectedException(fail); }
67	+	assertNull(result);
68	+
69		try {
70	<	f.get(0L, SECONDS);
70	>	f.get(randomExpiredTimeout(), randomTimeUnit());
71		shouldThrow();
72		}
73		catch (TimeoutException success) {}
74		catch (Throwable fail) { threadUnexpectedException(fail); }
75		}
76
77	<	<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
78	<	checkTimedGet(f, value);
77	>	<T> void checkCompletedNormally(CompletableFuture<T> f, T expectedValue) {
78	>	checkTimedGet(f, expectedValue);
79
80	+	assertEquals(expectedValue, f.join());
81	+	assertEquals(expectedValue, f.getNow(null));
82	+
83	+	T result = null;
84		try {
85	<	assertEquals(value, f.join());
79	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
80	<	try {
81	<	assertEquals(value, f.getNow(null));
82	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
83	<	try {
84	<	assertEquals(value, f.get());
85	>	result = f.get();
86		} catch (Throwable fail) { threadUnexpectedException(fail); }
87	+	assertEquals(expectedValue, result);
88	+
89		assertTrue(f.isDone());
90		assertFalse(f.isCancelled());
91		assertFalse(f.isCompletedExceptionally());
92	<	assertTrue(f.toString().contains("[Completed normally]"));
92	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
93		}
94
95		/**
96		* Returns the "raw" internal exceptional completion of f,
97		* without any additional wrapping with CompletionException.
98		*/
99	<	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
100	<	// handle (and whenComplete) can distinguish between "direct"
101	<	// and "wrapped" exceptional completion
102	<	return f.handle((U u, Throwable t) -> t).join();
99	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
100	>	// handle (and whenComplete and exceptionally) can distinguish
101	>	// between "direct" and "wrapped" exceptional completion
102	>	return f.handle((u, t) -> t).join();
103		}
104
105		void checkCompletedExceptionally(CompletableFuture<?> f,
#	Line 142 | Line 145 | public class CompletableFutureTest exten
145		assertFalse(f.isCancelled());
146		assertTrue(f.isDone());
147		assertTrue(f.isCompletedExceptionally());
148	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
148	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
149		}
150
151		void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
#	Line 197 | Line 200 | public class CompletableFutureTest exten
200		assertTrue(f.isDone());
201		assertTrue(f.isCompletedExceptionally());
202		assertTrue(f.isCancelled());
203	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
203	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
204		}
205
206		/**
#	Line 296 | Line 299 | public class CompletableFutureTest exten
299		}
300
301		f = new CompletableFuture<>();
302	<	f.completeExceptionally(ex = new CFException());
302	>	f.completeExceptionally(new CFException());
303		f.obtrudeValue(v1);
304		checkCompletedNormally(f, v1);
305		f.obtrudeException(ex = new CFException());
#	Line 333 | Line 336 | public class CompletableFutureTest exten
336		/**
337		* toString indicates current completion state
338		*/
339	<	public void testToString() {
340	<	CompletableFuture<String> f;
341	<
342	<	f = new CompletableFuture<String>();
343	<	assertTrue(f.toString().contains("[Not completed]"));
339	>	public void testToString_incomplete() {
340	>	CompletableFuture<String> f = new CompletableFuture<>();
341	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
342	>	if (testImplementationDetails)
343	>	assertEquals(identityString(f) + "[Not completed]",
344	>	f.toString());
345	>	}
346
347	+	public void testToString_normal() {
348	+	CompletableFuture<String> f = new CompletableFuture<>();
349		assertTrue(f.complete("foo"));
350	<	assertTrue(f.toString().contains("[Completed normally]"));
350	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
351	>	if (testImplementationDetails)
352	>	assertEquals(identityString(f) + "[Completed normally]",
353	>	f.toString());
354	>	}
355
356	<	f = new CompletableFuture<String>();
356	>	public void testToString_exception() {
357	>	CompletableFuture<String> f = new CompletableFuture<>();
358		assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
359	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
359	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
360	>	if (testImplementationDetails)
361	>	assertTrue(f.toString().startsWith(
362	>	identityString(f) + "[Completed exceptionally: "));
363	>	}
364
365	+	public void testToString_cancelled() {
366		for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
367	<	f = new CompletableFuture<String>();
367	>	CompletableFuture<String> f = new CompletableFuture<>();
368		assertTrue(f.cancel(mayInterruptIfRunning));
369	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
369	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
370	>	if (testImplementationDetails)
371	>	assertTrue(f.toString().startsWith(
372	>	identityString(f) + "[Completed exceptionally: "));
373		}
374		}
375
#	Line 531 | 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 652 | 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		},
656	–
704		ASYNC {
705		public void checkExecutionMode() {
706		assertEquals(defaultExecutorIsCommonPool,
#	Line 726 | 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 799 | 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 841 | 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 848 | 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		{
854	–	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) -> {
859	<	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 864 | Line 937 | public class CompletableFutureTest exten
937
938		checkCompletedNormally(g, v1);
939		checkCompletedNormally(f, v1);
867	–	assertEquals(0, a.get());
940		}}
941
942		/**
#	Line 872 | 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 879 | Line 952 | public class CompletableFutureTest exten
952		final CFException ex = new CFException();
953		final CompletableFuture<Integer> f = new CompletableFuture<>();
954		if (!createIncomplete) f.completeExceptionally(ex);
955	<	final CompletableFuture<Integer> g = f.exceptionally
956	<	((Throwable t) -> {
957	<	ExecutionMode.SYNC.checkExecutionMode();
955	>	final CompletableFuture<Integer> g = m.exceptionally
956	>	(f, (Throwable t) -> {
957	>	m.checkExecutionMode();
958		threadAssertSame(t, ex);
959		a.getAndIncrement();
960		return v1;
#	Line 897 | 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 904 | Line 978 | public class CompletableFutureTest exten
978		final CFException ex2 = new CFException();
979		final CompletableFuture<Integer> f = new CompletableFuture<>();
980		if (!createIncomplete) f.completeExceptionally(ex1);
981	<	final CompletableFuture<Integer> g = f.exceptionally
982	<	((Throwable t) -> {
983	<	ExecutionMode.SYNC.checkExecutionMode();
981	>	final CompletableFuture<Integer> g = m.exceptionally
982	>	(f, (Throwable t) -> {
983	>	m.checkExecutionMode();
984		threadAssertSame(t, ex1);
985		a.getAndIncrement();
986		throw ex2;
#	Line 1242 | Line 1316 | public class CompletableFutureTest exten
1316		r.assertInvoked();
1317		}}
1318
1319	+	@SuppressWarnings("FutureReturnValueIgnored")
1320		public void testRunAsync_rejectingExecutor() {
1321		CountingRejectingExecutor e = new CountingRejectingExecutor();
1322		try {
#	Line 1288 | Line 1363 | public class CompletableFutureTest exten
1363		r.assertInvoked();
1364		}}
1365
1366	+	@SuppressWarnings("FutureReturnValueIgnored")
1367		public void testSupplyAsync_rejectingExecutor() {
1368		CountingRejectingExecutor e = new CountingRejectingExecutor();
1369		try {
#	Line 2562 | Line 2638 | public class CompletableFutureTest exten
2638
2639		// unspecified behavior - both source completions available
2640		try {
2641	<	assertEquals(null, h0.join());
2641	>	assertNull(h0.join());
2642		rs[0].assertValue(v1);
2643		} catch (CompletionException ok) {
2644		checkCompletedWithWrappedException(h0, ex);
2645		rs[0].assertNotInvoked();
2646		}
2647		try {
2648	<	assertEquals(null, h1.join());
2648	>	assertNull(h1.join());
2649		rs[1].assertValue(v1);
2650		} catch (CompletionException ok) {
2651		checkCompletedWithWrappedException(h1, ex);
2652		rs[1].assertNotInvoked();
2653		}
2654		try {
2655	<	assertEquals(null, h2.join());
2655	>	assertNull(h2.join());
2656		rs[2].assertValue(v1);
2657		} catch (CompletionException ok) {
2658		checkCompletedWithWrappedException(h2, ex);
2659		rs[2].assertNotInvoked();
2660		}
2661		try {
2662	<	assertEquals(null, h3.join());
2662	>	assertNull(h3.join());
2663		rs[3].assertValue(v1);
2664		} catch (CompletionException ok) {
2665		checkCompletedWithWrappedException(h3, ex);
#	Line 2822 | Line 2898 | public class CompletableFutureTest exten
2898
2899		// unspecified behavior - both source completions available
2900		try {
2901	<	assertEquals(null, h0.join());
2901	>	assertNull(h0.join());
2902		rs[0].assertInvoked();
2903		} catch (CompletionException ok) {
2904		checkCompletedWithWrappedException(h0, ex);
2905		rs[0].assertNotInvoked();
2906		}
2907		try {
2908	<	assertEquals(null, h1.join());
2908	>	assertNull(h1.join());
2909		rs[1].assertInvoked();
2910		} catch (CompletionException ok) {
2911		checkCompletedWithWrappedException(h1, ex);
2912		rs[1].assertNotInvoked();
2913		}
2914		try {
2915	<	assertEquals(null, h2.join());
2915	>	assertNull(h2.join());
2916		rs[2].assertInvoked();
2917		} catch (CompletionException ok) {
2918		checkCompletedWithWrappedException(h2, ex);
2919		rs[2].assertNotInvoked();
2920		}
2921		try {
2922	<	assertEquals(null, h3.join());
2922	>	assertNull(h3.join());
2923		rs[3].assertInvoked();
2924		} catch (CompletionException ok) {
2925		checkCompletedWithWrappedException(h3, ex);
#	Line 3040 | 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 3075 | 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 3238 | Line 3429 | public class CompletableFutureTest exten
3429		/**
3430		* Completion methods throw NullPointerException with null arguments
3431		*/
3432	+	@SuppressWarnings("FutureReturnValueIgnored")
3433		public void testNPE() {
3434		CompletableFuture<Integer> f = new CompletableFuture<>();
3435		CompletableFuture<Integer> g = new CompletableFuture<>();
#	Line 3532 | Line 3724 | public class CompletableFutureTest exten
3724		*/
3725		public void testCompletedStage() {
3726		AtomicInteger x = new AtomicInteger(0);
3727	<	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3727	>	AtomicReference<Throwable> r = new AtomicReference<>();
3728		CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3729		f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3730		assertEquals(x.get(), 1);
#	Line 3634 | Line 3826 | public class CompletableFutureTest exten
3826		CompletableFuture<Integer> f = new CompletableFuture<>();
3827		CompletionStage<Integer> g = f.minimalCompletionStage();
3828		AtomicInteger x = new AtomicInteger(0);
3829	<	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3829	>	AtomicReference<Throwable> r = new AtomicReference<>();
3830		checkIncomplete(f);
3831		g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3832		f.complete(1);
#	Line 3651 | Line 3843 | public class CompletableFutureTest exten
3843		CompletableFuture<Integer> f = new CompletableFuture<>();
3844		CompletionStage<Integer> g = f.minimalCompletionStage();
3845		AtomicInteger x = new AtomicInteger(0);
3846	<	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3846	>	AtomicReference<Throwable> r = new AtomicReference<>();
3847		g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3848		checkIncomplete(f);
3849		CFException ex = new CFException();
#	Line 3669 | Line 3861 | public class CompletableFutureTest exten
3861		CFException ex = new CFException();
3862		CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3863		AtomicInteger x = new AtomicInteger(0);
3864	<	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3864	>	AtomicReference<Throwable> r = new AtomicReference<>();
3865		f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3866		assertEquals(x.get(), 0);
3867		assertEquals(r.get(), ex);
#	Line 4174 | Line 4366 | public class CompletableFutureTest exten
4366		static void assertZero(CompletableFuture<?> f) {
4367		try {
4368		f.getNow(null);
4369	<	throw new AssertionFailedError("should throw");
4369	>	throw new AssertionError("should throw");
4370		} catch (CompletionException success) {
4371		assertTrue(success.getCause() instanceof ZeroException);
4372		}
#	Line 4299 | Line 4491 | public class CompletableFutureTest exten
4491		}
4492
4493		/** Test long recursive chains of CompletableFutures with cascading completions */
4494	+	@SuppressWarnings("FutureReturnValueIgnored")
4495		public void testRecursiveChains() throws Throwable {
4496		for (ExecutionMode m : ExecutionMode.values())
4497		for (boolean addDeadEnds : new boolean[] { true, false })
#	Line 4323 | Line 4516 | public class CompletableFutureTest exten
4516		* A single CompletableFuture with many dependents.
4517		* A demo of scalability - runtime is O(n).
4518		*/
4519	+	@SuppressWarnings("FutureReturnValueIgnored")
4520		public void testManyDependents() throws Throwable {
4521		final int n = expensiveTests ? 1_000_000 : 10;
4522		final CompletableFuture<Void> head = new CompletableFuture<>();
#	Line 4352 | Line 4546 | public class CompletableFutureTest exten
4546		}
4547
4548		/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4549	+	@SuppressWarnings("FutureReturnValueIgnored")
4550		public void testCoCompletionGarbageRetention() throws Throwable {
4551		final int n = expensiveTests ? 1_000_000 : 10;
4552		final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
#	Line 4370 | Line 4565 | public class CompletableFutureTest exten
4565		f.complete(null);
4566
4567		f = new CompletableFuture<>();
4568	<	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4568	>	CompletableFuture.anyOf(f, incomplete);
4569		f.complete(null);
4570		}
4571
#	Line 4388 | Line 4583 | public class CompletableFutureTest exten
4583		f.complete(null);
4584
4585		f = new CompletableFuture<>();
4586	<	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4586	>	CompletableFuture.anyOf(incomplete, f);
4587		f.complete(null);
4588		}
4589		}
#	Line 4482 | Line 4677 | public class CompletableFutureTest exten
4677		//         return stage.toCompletableFuture().copy().isDone();
4678		//     }
4679
4680	+	// For testing default implementations
4681	+	// Only non-default interface methods defined.
4682	+	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4683	+	final CompletableFuture<T> cf;
4684	+	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4685	+	public CompletableFuture<T> toCompletableFuture() {
4686	+	return cf; }
4687	+	public CompletionStage<Void> thenRun
4688	+	(Runnable action) {
4689	+	return cf.thenRun(action); }
4690	+	public CompletionStage<Void> thenRunAsync
4691	+	(Runnable action) {
4692	+	return cf.thenRunAsync(action); }
4693	+	public CompletionStage<Void> thenRunAsync
4694	+	(Runnable action,
4695	+	Executor executor) {
4696	+	return cf.thenRunAsync(action, executor); }
4697	+	public CompletionStage<Void> thenAccept
4698	+	(Consumer<? super T> action) {
4699	+	return cf.thenAccept(action); }
4700	+	public CompletionStage<Void> thenAcceptAsync
4701	+	(Consumer<? super T> action) {
4702	+	return cf.thenAcceptAsync(action); }
4703	+	public CompletionStage<Void> thenAcceptAsync
4704	+	(Consumer<? super T> action,
4705	+	Executor executor) {
4706	+	return cf.thenAcceptAsync(action, executor); }
4707	+	public <U> CompletionStage<U> thenApply
4708	+	(Function<? super T,? extends U> a) {
4709	+	return cf.thenApply(a); }
4710	+	public <U> CompletionStage<U> thenApplyAsync
4711	+	(Function<? super T,? extends U> fn) {
4712	+	return cf.thenApplyAsync(fn); }
4713	+	public <U> CompletionStage<U> thenApplyAsync
4714	+	(Function<? super T,? extends U> fn,
4715	+	Executor executor) {
4716	+	return cf.thenApplyAsync(fn, executor); }
4717	+	public <U,V> CompletionStage<V> thenCombine
4718	+	(CompletionStage<? extends U> other,
4719	+	BiFunction<? super T,? super U,? extends V> fn) {
4720	+	return cf.thenCombine(other, fn); }
4721	+	public <U,V> CompletionStage<V> thenCombineAsync
4722	+	(CompletionStage<? extends U> other,
4723	+	BiFunction<? super T,? super U,? extends V> fn) {
4724	+	return cf.thenCombineAsync(other, fn); }
4725	+	public <U,V> CompletionStage<V> thenCombineAsync
4726	+	(CompletionStage<? extends U> other,
4727	+	BiFunction<? super T,? super U,? extends V> fn,
4728	+	Executor executor) {
4729	+	return cf.thenCombineAsync(other, fn, executor); }
4730	+	public <U> CompletionStage<Void> thenAcceptBoth
4731	+	(CompletionStage<? extends U> other,
4732	+	BiConsumer<? super T, ? super U> action) {
4733	+	return cf.thenAcceptBoth(other, action); }
4734	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4735	+	(CompletionStage<? extends U> other,
4736	+	BiConsumer<? super T, ? super U> action) {
4737	+	return cf.thenAcceptBothAsync(other, action); }
4738	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4739	+	(CompletionStage<? extends U> other,
4740	+	BiConsumer<? super T, ? super U> action,
4741	+	Executor executor) {
4742	+	return cf.thenAcceptBothAsync(other, action, executor); }
4743	+	public CompletionStage<Void> runAfterBoth
4744	+	(CompletionStage<?> other,
4745	+	Runnable action) {
4746	+	return cf.runAfterBoth(other, action); }
4747	+	public CompletionStage<Void> runAfterBothAsync
4748	+	(CompletionStage<?> other,
4749	+	Runnable action) {
4750	+	return cf.runAfterBothAsync(other, action); }
4751	+	public CompletionStage<Void> runAfterBothAsync
4752	+	(CompletionStage<?> other,
4753	+	Runnable action,
4754	+	Executor executor) {
4755	+	return cf.runAfterBothAsync(other, action, executor); }
4756	+	public <U> CompletionStage<U> applyToEither
4757	+	(CompletionStage<? extends T> other,
4758	+	Function<? super T, U> fn) {
4759	+	return cf.applyToEither(other, fn); }
4760	+	public <U> CompletionStage<U> applyToEitherAsync
4761	+	(CompletionStage<? extends T> other,
4762	+	Function<? super T, U> fn) {
4763	+	return cf.applyToEitherAsync(other, fn); }
4764	+	public <U> CompletionStage<U> applyToEitherAsync
4765	+	(CompletionStage<? extends T> other,
4766	+	Function<? super T, U> fn,
4767	+	Executor executor) {
4768	+	return cf.applyToEitherAsync(other, fn, executor); }
4769	+	public CompletionStage<Void> acceptEither
4770	+	(CompletionStage<? extends T> other,
4771	+	Consumer<? super T> action) {
4772	+	return cf.acceptEither(other, action); }
4773	+	public CompletionStage<Void> acceptEitherAsync
4774	+	(CompletionStage<? extends T> other,
4775	+	Consumer<? super T> action) {
4776	+	return cf.acceptEitherAsync(other, action); }
4777	+	public CompletionStage<Void> acceptEitherAsync
4778	+	(CompletionStage<? extends T> other,
4779	+	Consumer<? super T> action,
4780	+	Executor executor) {
4781	+	return cf.acceptEitherAsync(other, action, executor); }
4782	+	public CompletionStage<Void> runAfterEither
4783	+	(CompletionStage<?> other,
4784	+	Runnable action) {
4785	+	return cf.runAfterEither(other, action); }
4786	+	public CompletionStage<Void> runAfterEitherAsync
4787	+	(CompletionStage<?> other,
4788	+	Runnable action) {
4789	+	return cf.runAfterEitherAsync(other, action); }
4790	+	public CompletionStage<Void> runAfterEitherAsync
4791	+	(CompletionStage<?> other,
4792	+	Runnable action,
4793	+	Executor executor) {
4794	+	return cf.runAfterEitherAsync(other, action, executor); }
4795	+	public <U> CompletionStage<U> thenCompose
4796	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4797	+	return cf.thenCompose(fn); }
4798	+	public <U> CompletionStage<U> thenComposeAsync
4799	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4800	+	return cf.thenComposeAsync(fn); }
4801	+	public <U> CompletionStage<U> thenComposeAsync
4802	+	(Function<? super T, ? extends CompletionStage<U>> fn,
4803	+	Executor executor) {
4804	+	return cf.thenComposeAsync(fn, executor); }
4805	+	public <U> CompletionStage<U> handle
4806	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4807	+	return cf.handle(fn); }
4808	+	public <U> CompletionStage<U> handleAsync
4809	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4810	+	return cf.handleAsync(fn); }
4811	+	public <U> CompletionStage<U> handleAsync
4812	+	(BiFunction<? super T, Throwable, ? extends U> fn,
4813	+	Executor executor) {
4814	+	return cf.handleAsync(fn, executor); }
4815	+	public CompletionStage<T> whenComplete
4816	+	(BiConsumer<? super T, ? super Throwable> action) {
4817	+	return cf.whenComplete(action); }
4818	+	public CompletionStage<T> whenCompleteAsync
4819	+	(BiConsumer<? super T, ? super Throwable> action) {
4820	+	return cf.whenCompleteAsync(action); }
4821	+	public CompletionStage<T> whenCompleteAsync
4822	+	(BiConsumer<? super T, ? super Throwable> action,
4823	+	Executor executor) {
4824	+	return cf.whenCompleteAsync(action, executor); }
4825	+	public CompletionStage<T> exceptionally
4826	+	(Function<Throwable, ? extends T> fn) {
4827	+	return cf.exceptionally(fn); }
4828	+	}
4829	+
4830	+	/**
4831	+	* default-implemented exceptionallyAsync action is not invoked when
4832	+	* source completes normally, and source result is propagated
4833	+	*/
4834	+	public void testDefaultExceptionallyAsync_normalCompletion() {
4835	+	for (boolean createIncomplete : new boolean[] { true, false })
4836	+	for (Integer v1 : new Integer[] { 1, null })
4837	+	{
4838	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4839	+	final DelegatedCompletionStage<Integer> d =
4840	+	new DelegatedCompletionStage<Integer>(f);
4841	+	if (!createIncomplete) assertTrue(f.complete(v1));
4842	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4843	+	((Throwable t) -> {
4844	+	threadFail("should not be called");
4845	+	return null;            // unreached
4846	+	});
4847	+	if (createIncomplete) assertTrue(f.complete(v1));
4848	+
4849	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4850	+	}}
4851	+
4852	+	/**
4853	+	* default-implemented exceptionallyAsync action completes with
4854	+	* function value on source exception
4855	+	*/
4856	+	public void testDefaultExceptionallyAsync_exceptionalCompletion() {
4857	+	for (boolean createIncomplete : new boolean[] { true, false })
4858	+	for (Integer v1 : new Integer[] { 1, null })
4859	+	{
4860	+	final AtomicInteger a = new AtomicInteger(0);
4861	+	final CFException ex = new CFException();
4862	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4863	+	final DelegatedCompletionStage<Integer> d =
4864	+	new DelegatedCompletionStage<Integer>(f);
4865	+	if (!createIncomplete) f.completeExceptionally(ex);
4866	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4867	+	((Throwable t) -> {
4868	+	threadAssertSame(t, ex);
4869	+	a.getAndIncrement();
4870	+	return v1;
4871	+	});
4872	+	if (createIncomplete) f.completeExceptionally(ex);
4873	+
4874	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4875	+	assertEquals(1, a.get());
4876	+	}}
4877	+
4878	+	/**
4879	+	* Under default implementation, if an "exceptionally action"
4880	+	* throws an exception, it completes exceptionally with that
4881	+	* exception
4882	+	*/
4883	+	public void testDefaultExceptionallyAsync_exceptionalCompletionActionFailed() {
4884	+	for (boolean createIncomplete : new boolean[] { true, false })
4885	+	{
4886	+	final AtomicInteger a = new AtomicInteger(0);
4887	+	final CFException ex1 = new CFException();
4888	+	final CFException ex2 = new CFException();
4889	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4890	+	final DelegatedCompletionStage<Integer> d =
4891	+	new DelegatedCompletionStage<Integer>(f);
4892	+	if (!createIncomplete) f.completeExceptionally(ex1);
4893	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4894	+	((Throwable t) -> {
4895	+	threadAssertSame(t, ex1);
4896	+	a.getAndIncrement();
4897	+	throw ex2;
4898	+	});
4899	+	if (createIncomplete) f.completeExceptionally(ex1);
4900	+
4901	+	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4902	+	checkCompletedExceptionally(f, ex1);
4903	+	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4904	+	assertEquals(1, a.get());
4905	+	}}
4906	+
4907	+	/**
4908	+	* default-implemented exceptionallyCompose result completes
4909	+	* normally after normal completion of source
4910	+	*/
4911	+	public void testDefaultExceptionallyCompose_normalCompletion() {
4912	+	for (boolean createIncomplete : new boolean[] { true, false })
4913	+	for (Integer v1 : new Integer[] { 1, null })
4914	+	{
4915	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4916	+	final ExceptionalCompletableFutureFunction r =
4917	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4918	+	final DelegatedCompletionStage<Integer> d =
4919	+	new DelegatedCompletionStage<Integer>(f);
4920	+	if (!createIncomplete) assertTrue(f.complete(v1));
4921	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4922	+	if (createIncomplete) assertTrue(f.complete(v1));
4923	+
4924	+	checkCompletedNormally(f, v1);
4925	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4926	+	r.assertNotInvoked();
4927	+	}}
4928	+
4929	+	/**
4930	+	* default-implemented exceptionallyCompose result completes
4931	+	* normally after exceptional completion of source
4932	+	*/
4933	+	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4934	+	for (boolean createIncomplete : new boolean[] { true, false })
4935	+	{
4936	+	final CFException ex = new CFException();
4937	+	final ExceptionalCompletableFutureFunction r =
4938	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4939	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4940	+	final DelegatedCompletionStage<Integer> d =
4941	+	new DelegatedCompletionStage<Integer>(f);
4942	+	if (!createIncomplete) f.completeExceptionally(ex);
4943	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4944	+	if (createIncomplete) f.completeExceptionally(ex);
4945	+
4946	+	checkCompletedExceptionally(f, ex);
4947	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
4948	+	r.assertInvoked();
4949	+	}}
4950	+
4951	+	/**
4952	+	* default-implemented exceptionallyCompose completes
4953	+	* exceptionally on exception if action does
4954	+	*/
4955	+	public void testDefaultExceptionallyCompose_actionFailed() {
4956	+	for (boolean createIncomplete : new boolean[] { true, false })
4957	+	{
4958	+	final CFException ex = new CFException();
4959	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4960	+	final FailingExceptionalCompletableFutureFunction r
4961	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4962	+	final DelegatedCompletionStage<Integer> d =
4963	+	new DelegatedCompletionStage<Integer>(f);
4964	+	if (!createIncomplete) f.completeExceptionally(ex);
4965	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4966	+	if (createIncomplete) f.completeExceptionally(ex);
4967	+
4968	+	checkCompletedExceptionally(f, ex);
4969	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4970	+	r.assertInvoked();
4971	+	}}
4972	+
4973	+	/**
4974	+	* default-implemented exceptionallyComposeAsync result completes
4975	+	* normally after normal completion of source
4976	+	*/
4977	+	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4978	+	for (boolean createIncomplete : new boolean[] { true, false })
4979	+	for (Integer v1 : new Integer[] { 1, null })
4980	+	{
4981	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4982	+	final ExceptionalCompletableFutureFunction r =
4983	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4984	+	final DelegatedCompletionStage<Integer> d =
4985	+	new DelegatedCompletionStage<Integer>(f);
4986	+	if (!createIncomplete) assertTrue(f.complete(v1));
4987	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4988	+	if (createIncomplete) assertTrue(f.complete(v1));
4989	+
4990	+	checkCompletedNormally(f, v1);
4991	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4992	+	r.assertNotInvoked();
4993	+	}}
4994	+
4995	+	/**
4996	+	* default-implemented exceptionallyComposeAsync result completes
4997	+	* normally after exceptional completion of source
4998	+	*/
4999	+	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
5000	+	for (boolean createIncomplete : new boolean[] { true, false })
5001	+	{
5002	+	final CFException ex = new CFException();
5003	+	final ExceptionalCompletableFutureFunction r =
5004	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5005	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5006	+	final DelegatedCompletionStage<Integer> d =
5007	+	new DelegatedCompletionStage<Integer>(f);
5008	+	if (!createIncomplete) f.completeExceptionally(ex);
5009	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5010	+	if (createIncomplete) f.completeExceptionally(ex);
5011	+
5012	+	checkCompletedExceptionally(f, ex);
5013	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
5014	+	r.assertInvoked();
5015	+	}}
5016	+
5017	+	/**
5018	+	* default-implemented exceptionallyComposeAsync completes
5019	+	* exceptionally on exception if action does
5020	+	*/
5021	+	public void testDefaultExceptionallyComposeAsync_actionFailed() {
5022	+	for (boolean createIncomplete : new boolean[] { true, false })
5023	+	{
5024	+	final CFException ex = new CFException();
5025	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5026	+	final FailingExceptionalCompletableFutureFunction r
5027	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5028	+	final DelegatedCompletionStage<Integer> d =
5029	+	new DelegatedCompletionStage<Integer>(f);
5030	+	if (!createIncomplete) f.completeExceptionally(ex);
5031	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5032	+	if (createIncomplete) f.completeExceptionally(ex);
5033	+
5034	+	checkCompletedExceptionally(f, ex);
5035	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5036	+	r.assertInvoked();
5037	+	}}
5038	+
5039	+	/**
5040	+	* default-implemented exceptionallyComposeAsync result completes
5041	+	* normally after normal completion of source
5042	+	*/
5043	+	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
5044	+	for (boolean createIncomplete : new boolean[] { true, false })
5045	+	for (Integer v1 : new Integer[] { 1, null })
5046	+	{
5047	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5048	+	final ExceptionalCompletableFutureFunction r =
5049	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5050	+	final DelegatedCompletionStage<Integer> d =
5051	+	new DelegatedCompletionStage<Integer>(f);
5052	+	if (!createIncomplete) assertTrue(f.complete(v1));
5053	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5054	+	if (createIncomplete) assertTrue(f.complete(v1));
5055	+
5056	+	checkCompletedNormally(f, v1);
5057	+	checkCompletedNormally(g.toCompletableFuture(), v1);
5058	+	r.assertNotInvoked();
5059	+	}}
5060	+
5061	+	/**
5062	+	* default-implemented exceptionallyComposeAsync result completes
5063	+	* normally after exceptional completion of source
5064	+	*/
5065	+	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5066	+	for (boolean createIncomplete : new boolean[] { true, false })
5067	+	{
5068	+	final CFException ex = new CFException();
5069	+	final ExceptionalCompletableFutureFunction r =
5070	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5071	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5072	+	final DelegatedCompletionStage<Integer> d =
5073	+	new DelegatedCompletionStage<Integer>(f);
5074	+	if (!createIncomplete) f.completeExceptionally(ex);
5075	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5076	+	if (createIncomplete) f.completeExceptionally(ex);
5077	+
5078	+	checkCompletedExceptionally(f, ex);
5079	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
5080	+	r.assertInvoked();
5081	+	}}
5082	+
5083	+	/**
5084	+	* default-implemented exceptionallyComposeAsync completes
5085	+	* exceptionally on exception if action does
5086	+	*/
5087	+	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5088	+	for (boolean createIncomplete : new boolean[] { true, false })
5089	+	{
5090	+	final CFException ex = new CFException();
5091	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5092	+	final FailingExceptionalCompletableFutureFunction r
5093	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5094	+	final DelegatedCompletionStage<Integer> d =
5095	+	new DelegatedCompletionStage<Integer>(f);
5096	+	if (!createIncomplete) f.completeExceptionally(ex);
5097	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5098	+	if (createIncomplete) f.completeExceptionally(ex);
5099	+
5100	+	checkCompletedExceptionally(f, ex);
5101	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5102	+	r.assertInvoked();
5103	+	}}
5104	+
5105		}

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