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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.179 by jsr166, Thu Sep 22 22:05:49 2016 UTC vs.
Revision 1.219 by jsr166, Sat Nov 24 18:33:26 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) {
152		checkCompletedExceptionally(f, true,
153	<	(t) -> assertTrue(t instanceof CFException));
153	>	t -> assertTrue(t instanceof CFException));
154		}
155
156		void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
157		checkCompletedExceptionally(f, true,
158	<	(t) -> assertTrue(t instanceof CancellationException));
158	>	t -> assertTrue(t instanceof CancellationException));
159		}
160
161		void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
162		checkCompletedExceptionally(f, false,
163	<	(t) -> assertTrue(t instanceof TimeoutException));
163	>	t -> assertTrue(t instanceof TimeoutException));
164		}
165
166		void checkCompletedWithWrappedException(CompletableFuture<?> f,
167		Throwable ex) {
168	<	checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex));
168	>	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
169		}
170
171		void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
172	<	checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex));
172	>	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
173		}
174
175		void checkCancelled(CompletableFuture<?> f) {
#	Line 197 | Line 200 | public class CompletableFutureTest exten
200		assertTrue(f.isDone());
201		assertTrue(f.isCompletedExceptionally());
202		assertTrue(f.isCancelled());
203	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
203	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
204		}
205
206		/**
#	Line 296 | Line 299 | public class CompletableFutureTest exten
299		}
300
301		f = new CompletableFuture<>();
302	<	f.completeExceptionally(ex = new CFException());
302	>	f.completeExceptionally(new CFException());
303		f.obtrudeValue(v1);
304		checkCompletedNormally(f, v1);
305		f.obtrudeException(ex = new CFException());
#	Line 333 | Line 336 | public class CompletableFutureTest exten
336		/**
337		* toString indicates current completion state
338		*/
339	<	public void testToString() {
340	<	CompletableFuture<String> f;
341	<
342	<	f = new CompletableFuture<String>();
343	<	assertTrue(f.toString().contains("[Not completed]"));
339	>	public void testToString_incomplete() {
340	>	CompletableFuture<String> f = new CompletableFuture<>();
341	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
342	>	if (testImplementationDetails)
343	>	assertEquals(identityString(f) + "[Not completed]",
344	>	f.toString());
345	>	}
346
347	+	public void testToString_normal() {
348	+	CompletableFuture<String> f = new CompletableFuture<>();
349		assertTrue(f.complete("foo"));
350	<	assertTrue(f.toString().contains("[Completed normally]"));
350	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
351	>	if (testImplementationDetails)
352	>	assertEquals(identityString(f) + "[Completed normally]",
353	>	f.toString());
354	>	}
355
356	<	f = new CompletableFuture<String>();
356	>	public void testToString_exception() {
357	>	CompletableFuture<String> f = new CompletableFuture<>();
358		assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
359	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
359	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
360	>	if (testImplementationDetails)
361	>	assertTrue(f.toString().startsWith(
362	>	identityString(f) + "[Completed exceptionally: "));
363	>	}
364
365	+	public void testToString_cancelled() {
366		for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
367	<	f = new CompletableFuture<String>();
367	>	CompletableFuture<String> f = new CompletableFuture<>();
368		assertTrue(f.cancel(mayInterruptIfRunning));
369	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
369	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
370	>	if (testImplementationDetails)
371	>	assertTrue(f.toString().startsWith(
372	>	identityString(f) + "[Completed exceptionally: "));
373		}
374		}
375
#	Line 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		{
929	<	final AtomicInteger a = new AtomicInteger(0);
929	>	final AtomicInteger ran = new AtomicInteger(0);
930		final CompletableFuture<Integer> f = new CompletableFuture<>();
931		if (!createIncomplete) assertTrue(f.complete(v1));
932	<	final CompletableFuture<Integer> g = f.exceptionally
933	<	((Throwable t) -> {
934	<	a.getAndIncrement();
935	<	threadFail("should not be called");
861	<	return null;            // unreached
932	>	final CompletableFuture<Integer> g = m.exceptionally
933	>	(f, (Throwable t) -> {
934	>	ran.getAndIncrement();
935	>	throw new AssertionError("should not be called");
936		});
937		if (createIncomplete) assertTrue(f.complete(v1));
938
939		checkCompletedNormally(g, v1);
940		checkCompletedNormally(f, v1);
941	<	assertEquals(0, a.get());
941	>	assertEquals(0, ran.get());
942		}}
943
944		/**
#	Line 872 | Line 946 | public class CompletableFutureTest exten
946		* exception
947		*/
948		public void testExceptionally_exceptionalCompletion() {
949	+	for (ExecutionMode m : ExecutionMode.values())
950		for (boolean createIncomplete : new boolean[] { true, false })
951		for (Integer v1 : new Integer[] { 1, null })
952		{
953	<	final AtomicInteger a = new AtomicInteger(0);
953	>	final AtomicInteger ran = new AtomicInteger(0);
954		final CFException ex = new CFException();
955		final CompletableFuture<Integer> f = new CompletableFuture<>();
956		if (!createIncomplete) f.completeExceptionally(ex);
957	<	final CompletableFuture<Integer> g = f.exceptionally
958	<	((Throwable t) -> {
959	<	ExecutionMode.SYNC.checkExecutionMode();
960	<	threadAssertSame(t, ex);
961	<	a.getAndIncrement();
957	>	final CompletableFuture<Integer> g = m.exceptionally
958	>	(f, (Throwable t) -> {
959	>	m.checkExecutionMode();
960	>	assertSame(t, ex);
961	>	ran.getAndIncrement();
962		return v1;
963		});
964		if (createIncomplete) f.completeExceptionally(ex);
965
966		checkCompletedNormally(g, v1);
967	<	assertEquals(1, a.get());
967	>	assertEquals(1, ran.get());
968		}}
969
970		/**
#	Line 897 | Line 972 | public class CompletableFutureTest exten
972		* exceptionally with that exception
973		*/
974		public void testExceptionally_exceptionalCompletionActionFailed() {
975	+	for (ExecutionMode m : ExecutionMode.values())
976		for (boolean createIncomplete : new boolean[] { true, false })
977		{
978	<	final AtomicInteger a = new AtomicInteger(0);
978	>	final AtomicInteger ran = new AtomicInteger(0);
979		final CFException ex1 = new CFException();
980		final CFException ex2 = new CFException();
981		final CompletableFuture<Integer> f = new CompletableFuture<>();
982		if (!createIncomplete) f.completeExceptionally(ex1);
983	<	final CompletableFuture<Integer> g = f.exceptionally
984	<	((Throwable t) -> {
985	<	ExecutionMode.SYNC.checkExecutionMode();
986	<	threadAssertSame(t, ex1);
987	<	a.getAndIncrement();
983	>	final CompletableFuture<Integer> g = m.exceptionally
984	>	(f, (Throwable t) -> {
985	>	m.checkExecutionMode();
986	>	assertSame(t, ex1);
987	>	ran.getAndIncrement();
988		throw ex2;
989		});
990		if (createIncomplete) f.completeExceptionally(ex1);
991
992		checkCompletedWithWrappedException(g, ex2);
993		checkCompletedExceptionally(f, ex1);
994	<	assertEquals(1, a.get());
994	>	assertEquals(1, ran.get());
995		}}
996
997		/**
#	Line 927 | Line 1003 | public class CompletableFutureTest exten
1003		for (boolean createIncomplete : new boolean[] { true, false })
1004		for (Integer v1 : new Integer[] { 1, null })
1005		{
1006	<	final AtomicInteger a = new AtomicInteger(0);
1006	>	final AtomicInteger ran = new AtomicInteger(0);
1007		final CompletableFuture<Integer> f = new CompletableFuture<>();
1008		if (!createIncomplete) assertTrue(f.complete(v1));
1009		final CompletableFuture<Integer> g = m.whenComplete
1010		(f,
1011		(Integer result, Throwable t) -> {
1012		m.checkExecutionMode();
1013	<	threadAssertSame(result, v1);
1014	<	threadAssertNull(t);
1015	<	a.getAndIncrement();
1013	>	assertSame(result, v1);
1014	>	assertNull(t);
1015	>	ran.getAndIncrement();
1016		});
1017		if (createIncomplete) assertTrue(f.complete(v1));
1018
1019		checkCompletedNormally(g, v1);
1020		checkCompletedNormally(f, v1);
1021	<	assertEquals(1, a.get());
1021	>	assertEquals(1, ran.get());
1022		}}
1023
1024		/**
#	Line 953 | Line 1029 | public class CompletableFutureTest exten
1029		for (ExecutionMode m : ExecutionMode.values())
1030		for (boolean createIncomplete : new boolean[] { true, false })
1031		{
1032	<	final AtomicInteger a = new AtomicInteger(0);
1032	>	final AtomicInteger ran = new AtomicInteger(0);
1033		final CFException ex = new CFException();
1034		final CompletableFuture<Integer> f = new CompletableFuture<>();
1035		if (!createIncomplete) f.completeExceptionally(ex);
#	Line 961 | Line 1037 | public class CompletableFutureTest exten
1037		(f,
1038		(Integer result, Throwable t) -> {
1039		m.checkExecutionMode();
1040	<	threadAssertNull(result);
1041	<	threadAssertSame(t, ex);
1042	<	a.getAndIncrement();
1040	>	assertNull(result);
1041	>	assertSame(t, ex);
1042	>	ran.getAndIncrement();
1043		});
1044		if (createIncomplete) f.completeExceptionally(ex);
1045
1046		checkCompletedWithWrappedException(g, ex);
1047		checkCompletedExceptionally(f, ex);
1048	<	assertEquals(1, a.get());
1048	>	assertEquals(1, ran.get());
1049		}}
1050
1051		/**
#	Line 981 | Line 1057 | public class CompletableFutureTest exten
1057		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1058		for (boolean createIncomplete : new boolean[] { true, false })
1059		{
1060	<	final AtomicInteger a = new AtomicInteger(0);
1060	>	final AtomicInteger ran = new AtomicInteger(0);
1061		final CompletableFuture<Integer> f = new CompletableFuture<>();
1062		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1063		final CompletableFuture<Integer> g = m.whenComplete
1064		(f,
1065		(Integer result, Throwable t) -> {
1066		m.checkExecutionMode();
1067	<	threadAssertNull(result);
1068	<	threadAssertTrue(t instanceof CancellationException);
1069	<	a.getAndIncrement();
1067	>	assertNull(result);
1068	>	assertTrue(t instanceof CancellationException);
1069	>	ran.getAndIncrement();
1070		});
1071		if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1072
1073		checkCompletedWithWrappedCancellationException(g);
1074		checkCancelled(f);
1075	<	assertEquals(1, a.get());
1075	>	assertEquals(1, ran.get());
1076		}}
1077
1078		/**
#	Line 1008 | Line 1084 | public class CompletableFutureTest exten
1084		for (ExecutionMode m : ExecutionMode.values())
1085		for (Integer v1 : new Integer[] { 1, null })
1086		{
1087	<	final AtomicInteger a = new AtomicInteger(0);
1087	>	final AtomicInteger ran = new AtomicInteger(0);
1088		final CFException ex = new CFException();
1089		final CompletableFuture<Integer> f = new CompletableFuture<>();
1090		if (!createIncomplete) assertTrue(f.complete(v1));
#	Line 1016 | Line 1092 | public class CompletableFutureTest exten
1092		(f,
1093		(Integer result, Throwable t) -> {
1094		m.checkExecutionMode();
1095	<	threadAssertSame(result, v1);
1096	<	threadAssertNull(t);
1097	<	a.getAndIncrement();
1095	>	assertSame(result, v1);
1096	>	assertNull(t);
1097	>	ran.getAndIncrement();
1098		throw ex;
1099		});
1100		if (createIncomplete) assertTrue(f.complete(v1));
1101
1102		checkCompletedWithWrappedException(g, ex);
1103		checkCompletedNormally(f, v1);
1104	<	assertEquals(1, a.get());
1104	>	assertEquals(1, ran.get());
1105		}}
1106
1107		/**
#	Line 1037 | Line 1113 | public class CompletableFutureTest exten
1113		for (boolean createIncomplete : new boolean[] { true, false })
1114		for (ExecutionMode m : ExecutionMode.values())
1115		{
1116	<	final AtomicInteger a = new AtomicInteger(0);
1116	>	final AtomicInteger ran = new AtomicInteger(0);
1117		final CFException ex1 = new CFException();
1118		final CFException ex2 = new CFException();
1119		final CompletableFuture<Integer> f = new CompletableFuture<>();
#	Line 1047 | Line 1123 | public class CompletableFutureTest exten
1123		(f,
1124		(Integer result, Throwable t) -> {
1125		m.checkExecutionMode();
1126	<	threadAssertSame(t, ex1);
1127	<	threadAssertNull(result);
1128	<	a.getAndIncrement();
1126	>	assertSame(t, ex1);
1127	>	assertNull(result);
1128	>	ran.getAndIncrement();
1129		throw ex2;
1130		});
1131		if (createIncomplete) f.completeExceptionally(ex1);
#	Line 1060 | Line 1136 | public class CompletableFutureTest exten
1136		assertEquals(1, ex1.getSuppressed().length);
1137		assertSame(ex2, ex1.getSuppressed()[0]);
1138		}
1139	<	assertEquals(1, a.get());
1139	>	assertEquals(1, ran.get());
1140		}}
1141
1142		/**
#	Line 1073 | Line 1149 | public class CompletableFutureTest exten
1149		for (Integer v1 : new Integer[] { 1, null })
1150		{
1151		final CompletableFuture<Integer> f = new CompletableFuture<>();
1152	<	final AtomicInteger a = new AtomicInteger(0);
1152	>	final AtomicInteger ran = new AtomicInteger(0);
1153		if (!createIncomplete) assertTrue(f.complete(v1));
1154		final CompletableFuture<Integer> g = m.handle
1155		(f,
1156		(Integer result, Throwable t) -> {
1157		m.checkExecutionMode();
1158	<	threadAssertSame(result, v1);
1159	<	threadAssertNull(t);
1160	<	a.getAndIncrement();
1158	>	assertSame(result, v1);
1159	>	assertNull(t);
1160	>	ran.getAndIncrement();
1161		return inc(v1);
1162		});
1163		if (createIncomplete) assertTrue(f.complete(v1));
1164
1165		checkCompletedNormally(g, inc(v1));
1166		checkCompletedNormally(f, v1);
1167	<	assertEquals(1, a.get());
1167	>	assertEquals(1, ran.get());
1168		}}
1169
1170		/**
#	Line 1101 | Line 1177 | public class CompletableFutureTest exten
1177		for (Integer v1 : new Integer[] { 1, null })
1178		{
1179		final CompletableFuture<Integer> f = new CompletableFuture<>();
1180	<	final AtomicInteger a = new AtomicInteger(0);
1180	>	final AtomicInteger ran = new AtomicInteger(0);
1181		final CFException ex = new CFException();
1182		if (!createIncomplete) f.completeExceptionally(ex);
1183		final CompletableFuture<Integer> g = m.handle
1184		(f,
1185		(Integer result, Throwable t) -> {
1186		m.checkExecutionMode();
1187	<	threadAssertNull(result);
1188	<	threadAssertSame(t, ex);
1189	<	a.getAndIncrement();
1187	>	assertNull(result);
1188	>	assertSame(t, ex);
1189	>	ran.getAndIncrement();
1190		return v1;
1191		});
1192		if (createIncomplete) f.completeExceptionally(ex);
1193
1194		checkCompletedNormally(g, v1);
1195		checkCompletedExceptionally(f, ex);
1196	<	assertEquals(1, a.get());
1196	>	assertEquals(1, ran.get());
1197		}}
1198
1199		/**
#	Line 1131 | Line 1207 | public class CompletableFutureTest exten
1207		for (Integer v1 : new Integer[] { 1, null })
1208		{
1209		final CompletableFuture<Integer> f = new CompletableFuture<>();
1210	<	final AtomicInteger a = new AtomicInteger(0);
1210	>	final AtomicInteger ran = new AtomicInteger(0);
1211		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1212		final CompletableFuture<Integer> g = m.handle
1213		(f,
1214		(Integer result, Throwable t) -> {
1215		m.checkExecutionMode();
1216	<	threadAssertNull(result);
1217	<	threadAssertTrue(t instanceof CancellationException);
1218	<	a.getAndIncrement();
1216	>	assertNull(result);
1217	>	assertTrue(t instanceof CancellationException);
1218	>	ran.getAndIncrement();
1219		return v1;
1220		});
1221		if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1222
1223		checkCompletedNormally(g, v1);
1224		checkCancelled(f);
1225	<	assertEquals(1, a.get());
1225	>	assertEquals(1, ran.get());
1226		}}
1227
1228		/**
#	Line 1159 | Line 1235 | public class CompletableFutureTest exten
1235		for (Integer v1 : new Integer[] { 1, null })
1236		{
1237		final CompletableFuture<Integer> f = new CompletableFuture<>();
1238	<	final AtomicInteger a = new AtomicInteger(0);
1238	>	final AtomicInteger ran = new AtomicInteger(0);
1239		final CFException ex = new CFException();
1240		if (!createIncomplete) assertTrue(f.complete(v1));
1241		final CompletableFuture<Integer> g = m.handle
1242		(f,
1243		(Integer result, Throwable t) -> {
1244		m.checkExecutionMode();
1245	<	threadAssertSame(result, v1);
1246	<	threadAssertNull(t);
1247	<	a.getAndIncrement();
1245	>	assertSame(result, v1);
1246	>	assertNull(t);
1247	>	ran.getAndIncrement();
1248		throw ex;
1249		});
1250		if (createIncomplete) assertTrue(f.complete(v1));
1251
1252		checkCompletedWithWrappedException(g, ex);
1253		checkCompletedNormally(f, v1);
1254	<	assertEquals(1, a.get());
1254	>	assertEquals(1, ran.get());
1255		}}
1256
1257		/**
#	Line 1187 | Line 1263 | public class CompletableFutureTest exten
1263		for (boolean createIncomplete : new boolean[] { true, false })
1264		for (ExecutionMode m : ExecutionMode.values())
1265		{
1266	<	final AtomicInteger a = new AtomicInteger(0);
1266	>	final AtomicInteger ran = new AtomicInteger(0);
1267		final CFException ex1 = new CFException();
1268		final CFException ex2 = new CFException();
1269		final CompletableFuture<Integer> f = new CompletableFuture<>();
#	Line 1197 | Line 1273 | public class CompletableFutureTest exten
1273		(f,
1274		(Integer result, Throwable t) -> {
1275		m.checkExecutionMode();
1276	<	threadAssertNull(result);
1277	<	threadAssertSame(ex1, t);
1278	<	a.getAndIncrement();
1276	>	assertNull(result);
1277	>	assertSame(ex1, t);
1278	>	ran.getAndIncrement();
1279		throw ex2;
1280		});
1281		if (createIncomplete) f.completeExceptionally(ex1);
1282
1283		checkCompletedWithWrappedException(g, ex2);
1284		checkCompletedExceptionally(f, ex1);
1285	<	assertEquals(1, a.get());
1285	>	assertEquals(1, ran.get());
1286		}}
1287
1288		/**
#	Line 1242 | Line 1318 | public class CompletableFutureTest exten
1318		r.assertInvoked();
1319		}}
1320
1321	+	@SuppressWarnings("FutureReturnValueIgnored")
1322		public void testRunAsync_rejectingExecutor() {
1323		CountingRejectingExecutor e = new CountingRejectingExecutor();
1324		try {
#	Line 1288 | Line 1365 | public class CompletableFutureTest exten
1365		r.assertInvoked();
1366		}}
1367
1368	+	@SuppressWarnings("FutureReturnValueIgnored")
1369		public void testSupplyAsync_rejectingExecutor() {
1370		CountingRejectingExecutor e = new CountingRejectingExecutor();
1371		try {
#	Line 2562 | Line 2640 | public class CompletableFutureTest exten
2640
2641		// unspecified behavior - both source completions available
2642		try {
2643	<	assertEquals(null, h0.join());
2643	>	assertNull(h0.join());
2644		rs[0].assertValue(v1);
2645		} catch (CompletionException ok) {
2646		checkCompletedWithWrappedException(h0, ex);
2647		rs[0].assertNotInvoked();
2648		}
2649		try {
2650	<	assertEquals(null, h1.join());
2650	>	assertNull(h1.join());
2651		rs[1].assertValue(v1);
2652		} catch (CompletionException ok) {
2653		checkCompletedWithWrappedException(h1, ex);
2654		rs[1].assertNotInvoked();
2655		}
2656		try {
2657	<	assertEquals(null, h2.join());
2657	>	assertNull(h2.join());
2658		rs[2].assertValue(v1);
2659		} catch (CompletionException ok) {
2660		checkCompletedWithWrappedException(h2, ex);
2661		rs[2].assertNotInvoked();
2662		}
2663		try {
2664	<	assertEquals(null, h3.join());
2664	>	assertNull(h3.join());
2665		rs[3].assertValue(v1);
2666		} catch (CompletionException ok) {
2667		checkCompletedWithWrappedException(h3, ex);
#	Line 2822 | Line 2900 | public class CompletableFutureTest exten
2900
2901		// unspecified behavior - both source completions available
2902		try {
2903	<	assertEquals(null, h0.join());
2903	>	assertNull(h0.join());
2904		rs[0].assertInvoked();
2905		} catch (CompletionException ok) {
2906		checkCompletedWithWrappedException(h0, ex);
2907		rs[0].assertNotInvoked();
2908		}
2909		try {
2910	<	assertEquals(null, h1.join());
2910	>	assertNull(h1.join());
2911		rs[1].assertInvoked();
2912		} catch (CompletionException ok) {
2913		checkCompletedWithWrappedException(h1, ex);
2914		rs[1].assertNotInvoked();
2915		}
2916		try {
2917	<	assertEquals(null, h2.join());
2917	>	assertNull(h2.join());
2918		rs[2].assertInvoked();
2919		} catch (CompletionException ok) {
2920		checkCompletedWithWrappedException(h2, ex);
2921		rs[2].assertNotInvoked();
2922		}
2923		try {
2924	<	assertEquals(null, h3.join());
2924	>	assertNull(h3.join());
2925		rs[3].assertInvoked();
2926		} catch (CompletionException ok) {
2927		checkCompletedWithWrappedException(h3, ex);
#	Line 3040 | Line 3118 | public class CompletableFutureTest exten
3118		case 0:
3119		assertTrue(f.complete(v1));
3120		assertTrue(g.completeExceptionally(ex));
3121	<	h = m.thenCompose(f, (x -> g));
3121	>	h = m.thenCompose(f, x -> g);
3122		break;
3123		case 1:
3124		assertTrue(f.complete(v1));
3125	<	h = m.thenCompose(f, (x -> g));
3125	>	h = m.thenCompose(f, x -> g);
3126		assertTrue(g.completeExceptionally(ex));
3127		break;
3128		case 2:
3129		assertTrue(g.completeExceptionally(ex));
3130		assertTrue(f.complete(v1));
3131	<	h = m.thenCompose(f, (x -> g));
3131	>	h = m.thenCompose(f, x -> g);
3132		break;
3133		case 3:
3134		assertTrue(g.completeExceptionally(ex));
3135	<	h = m.thenCompose(f, (x -> g));
3135	>	h = m.thenCompose(f, x -> g);
3136		assertTrue(f.complete(v1));
3137		break;
3138		case 4:
3139	<	h = m.thenCompose(f, (x -> g));
3139	>	h = m.thenCompose(f, x -> g);
3140		assertTrue(f.complete(v1));
3141		assertTrue(g.completeExceptionally(ex));
3142		break;
3143		case 5:
3144	<	h = m.thenCompose(f, (x -> g));
3144	>	h = m.thenCompose(f, x -> g);
3145		assertTrue(f.complete(v1));
3146		assertTrue(g.completeExceptionally(ex));
3147		break;
#	Line 3075 | Line 3153 | public class CompletableFutureTest exten
3153		checkCompletedNormally(f, v1);
3154		}}
3155
3156	+	/**
3157	+	* exceptionallyCompose result completes normally after normal
3158	+	* completion of source
3159	+	*/
3160	+	public void testExceptionallyCompose_normalCompletion() {
3161	+	for (ExecutionMode m : ExecutionMode.values())
3162	+	for (boolean createIncomplete : new boolean[] { true, false })
3163	+	for (Integer v1 : new Integer[] { 1, null })
3164	+	{
3165	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3166	+	final ExceptionalCompletableFutureFunction r =
3167	+	new ExceptionalCompletableFutureFunction(m);
3168	+	if (!createIncomplete) assertTrue(f.complete(v1));
3169	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3170	+	if (createIncomplete) assertTrue(f.complete(v1));
3171	+
3172	+	checkCompletedNormally(f, v1);
3173	+	checkCompletedNormally(g, v1);
3174	+	r.assertNotInvoked();
3175	+	}}
3176	+
3177	+	/**
3178	+	* exceptionallyCompose result completes normally after exceptional
3179	+	* completion of source
3180	+	*/
3181	+	public void testExceptionallyCompose_exceptionalCompletion() {
3182	+	for (ExecutionMode m : ExecutionMode.values())
3183	+	for (boolean createIncomplete : new boolean[] { true, false })
3184	+	{
3185	+	final CFException ex = new CFException();
3186	+	final ExceptionalCompletableFutureFunction r =
3187	+	new ExceptionalCompletableFutureFunction(m);
3188	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3189	+	if (!createIncomplete) f.completeExceptionally(ex);
3190	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3191	+	if (createIncomplete) f.completeExceptionally(ex);
3192	+
3193	+	checkCompletedExceptionally(f, ex);
3194	+	checkCompletedNormally(g, r.value);
3195	+	r.assertInvoked();
3196	+	}}
3197	+
3198	+	/**
3199	+	* exceptionallyCompose completes exceptionally on exception if action does
3200	+	*/
3201	+	public void testExceptionallyCompose_actionFailed() {
3202	+	for (ExecutionMode m : ExecutionMode.values())
3203	+	for (boolean createIncomplete : new boolean[] { true, false })
3204	+	{
3205	+	final CFException ex = new CFException();
3206	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3207	+	final FailingExceptionalCompletableFutureFunction r
3208	+	= new FailingExceptionalCompletableFutureFunction(m);
3209	+	if (!createIncomplete) f.completeExceptionally(ex);
3210	+	final CompletableFuture<Integer> g = m.exceptionallyCompose(f, r);
3211	+	if (createIncomplete) f.completeExceptionally(ex);
3212	+
3213	+	checkCompletedExceptionally(f, ex);
3214	+	checkCompletedWithWrappedException(g, r.ex);
3215	+	r.assertInvoked();
3216	+	}}
3217	+
3218	+	/**
3219	+	* exceptionallyCompose result completes exceptionally if the
3220	+	* result of the action does
3221	+	*/
3222	+	public void testExceptionallyCompose_actionReturnsFailingFuture() {
3223	+	for (ExecutionMode m : ExecutionMode.values())
3224	+	for (int order = 0; order < 6; order++)
3225	+	{
3226	+	final CFException ex0 = new CFException();
3227	+	final CFException ex = new CFException();
3228	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3229	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
3230	+	final CompletableFuture<Integer> h;
3231	+	// Test all permutations of orders
3232	+	switch (order) {
3233	+	case 0:
3234	+	assertTrue(f.completeExceptionally(ex0));
3235	+	assertTrue(g.completeExceptionally(ex));
3236	+	h = m.exceptionallyCompose(f, x -> g);
3237	+	break;
3238	+	case 1:
3239	+	assertTrue(f.completeExceptionally(ex0));
3240	+	h = m.exceptionallyCompose(f, x -> g);
3241	+	assertTrue(g.completeExceptionally(ex));
3242	+	break;
3243	+	case 2:
3244	+	assertTrue(g.completeExceptionally(ex));
3245	+	assertTrue(f.completeExceptionally(ex0));
3246	+	h = m.exceptionallyCompose(f, x -> g);
3247	+	break;
3248	+	case 3:
3249	+	assertTrue(g.completeExceptionally(ex));
3250	+	h = m.exceptionallyCompose(f, x -> g);
3251	+	assertTrue(f.completeExceptionally(ex0));
3252	+	break;
3253	+	case 4:
3254	+	h = m.exceptionallyCompose(f, x -> g);
3255	+	assertTrue(f.completeExceptionally(ex0));
3256	+	assertTrue(g.completeExceptionally(ex));
3257	+	break;
3258	+	case 5:
3259	+	h = m.exceptionallyCompose(f, x -> g);
3260	+	assertTrue(f.completeExceptionally(ex0));
3261	+	assertTrue(g.completeExceptionally(ex));
3262	+	break;
3263	+	default: throw new AssertionError();
3264	+	}
3265	+
3266	+	checkCompletedExceptionally(g, ex);
3267	+	checkCompletedWithWrappedException(h, ex);
3268	+	checkCompletedExceptionally(f, ex0);
3269	+	}}
3270	+
3271		// other static methods
3272
3273		/**
#	Line 3238 | Line 3431 | public class CompletableFutureTest exten
3431		/**
3432		* Completion methods throw NullPointerException with null arguments
3433		*/
3434	+	@SuppressWarnings("FutureReturnValueIgnored")
3435		public void testNPE() {
3436		CompletableFuture<Integer> f = new CompletableFuture<>();
3437		CompletableFuture<Integer> g = new CompletableFuture<>();
#	Line 3257 | Line 3451 | public class CompletableFutureTest exten
3451
3452		() -> f.thenApply(null),
3453		() -> f.thenApplyAsync(null),
3454	<	() -> f.thenApplyAsync((x) -> x, null),
3454	>	() -> f.thenApplyAsync(x -> x, null),
3455		() -> f.thenApplyAsync(null, exec),
3456
3457		() -> f.thenAccept(null),
3458		() -> f.thenAcceptAsync(null),
3459	<	() -> f.thenAcceptAsync((x) -> {} , null),
3459	>	() -> f.thenAcceptAsync(x -> {} , null),
3460		() -> f.thenAcceptAsync(null, exec),
3461
3462		() -> f.thenRun(null),
#	Line 3297 | Line 3491 | public class CompletableFutureTest exten
3491		() -> f.applyToEither(g, null),
3492		() -> f.applyToEitherAsync(g, null),
3493		() -> f.applyToEitherAsync(g, null, exec),
3494	<	() -> f.applyToEither(nullFuture, (x) -> x),
3495	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3496	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3497	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3494	>	() -> f.applyToEither(nullFuture, x -> x),
3495	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3496	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3497	>	() -> f.applyToEitherAsync(g, x -> x, null),
3498
3499		() -> f.acceptEither(g, null),
3500		() -> f.acceptEitherAsync(g, null),
3501		() -> f.acceptEitherAsync(g, null, exec),
3502	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3503	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3504	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3505	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3502	>	() -> f.acceptEither(nullFuture, x -> {}),
3503	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3504	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3505	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3506
3507		() -> f.runAfterEither(g, null),
3508		() -> f.runAfterEitherAsync(g, null),
#	Line 3374 | Line 3568 | public class CompletableFutureTest exten
3568		for (CompletableFuture<Integer> src : srcs) {
3569		List<CompletableFuture<?>> fs = new ArrayList<>();
3570		fs.add(src.thenRunAsync(() -> {}, e));
3571	<	fs.add(src.thenAcceptAsync((z) -> {}, e));
3572	<	fs.add(src.thenApplyAsync((z) -> z, e));
3571	>	fs.add(src.thenAcceptAsync(z -> {}, e));
3572	>	fs.add(src.thenApplyAsync(z -> z, e));
3573
3574		fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3575		fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3576		fs.add(src.runAfterBothAsync(src, () -> {}, e));
3577
3578	<	fs.add(src.applyToEitherAsync(src, (z) -> z, e));
3579	<	fs.add(src.acceptEitherAsync(src, (z) -> {}, e));
3578	>	fs.add(src.applyToEitherAsync(src, z -> z, e));
3579	>	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3580		fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3581
3582	<	fs.add(src.thenComposeAsync((z) -> null, e));
3582	>	fs.add(src.thenComposeAsync(z -> null, e));
3583		fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3584		fs.add(src.handleAsync((z, t) -> null, e));
3585
#	Line 3418 | Line 3612 | public class CompletableFutureTest exten
3612		{
3613		List<CompletableFuture<?>> fs = new ArrayList<>();
3614
3615	<	fs.add(complete.applyToEitherAsync(incomplete, (z) -> z, e));
3616	<	fs.add(incomplete.applyToEitherAsync(complete, (z) -> z, e));
3615	>	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3616	>	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3617
3618	<	fs.add(complete.acceptEitherAsync(incomplete, (z) -> {}, e));
3619	<	fs.add(incomplete.acceptEitherAsync(complete, (z) -> {}, e));
3618	>	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3619	>	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3620
3621		fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3622		fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
#	Line 3453 | Line 3647 | public class CompletableFutureTest exten
3647		final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3648		final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3649
3456	–	List<CompletableFuture<?>> futures = new ArrayList<>();
3457	–
3458	–	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3459	–	srcs.add(complete);
3460	–	srcs.add(incomplete);
3461	–
3650		List<CompletableFuture<?>> fs = new ArrayList<>();
3651		fs.add(incomplete.thenRunAsync(() -> {}, e));
3652	<	fs.add(incomplete.thenAcceptAsync((z) -> {}, e));
3653	<	fs.add(incomplete.thenApplyAsync((z) -> z, e));
3652	>	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3653	>	fs.add(incomplete.thenApplyAsync(z -> z, e));
3654
3655		fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3656		fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3657		fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3658
3659	<	fs.add(incomplete.applyToEitherAsync(incomplete, (z) -> z, e));
3660	<	fs.add(incomplete.acceptEitherAsync(incomplete, (z) -> {}, e));
3659	>	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3660	>	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3661		fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3662
3663	<	fs.add(incomplete.thenComposeAsync((z) -> null, e));
3663	>	fs.add(incomplete.thenComposeAsync(z -> null, e));
3664		fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3665		fs.add(incomplete.handleAsync((z, t) -> null, e));
3666
#	Line 3532 | Line 3720 | public class CompletableFutureTest exten
3720		*/
3721		public void testCompletedStage() {
3722		AtomicInteger x = new AtomicInteger(0);
3723	<	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3723	>	AtomicReference<Throwable> r = new AtomicReference<>();
3724		CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3725		f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3726		assertEquals(x.get(), 1);
#	Line 3634 | Line 3822 | public class CompletableFutureTest exten
3822		CompletableFuture<Integer> f = new CompletableFuture<>();
3823		CompletionStage<Integer> g = f.minimalCompletionStage();
3824		AtomicInteger x = new AtomicInteger(0);
3825	<	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3825	>	AtomicReference<Throwable> r = new AtomicReference<>();
3826		checkIncomplete(f);
3827		g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3828		f.complete(1);
#	Line 3651 | Line 3839 | public class CompletableFutureTest exten
3839		CompletableFuture<Integer> f = new CompletableFuture<>();
3840		CompletionStage<Integer> g = f.minimalCompletionStage();
3841		AtomicInteger x = new AtomicInteger(0);
3842	<	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3842	>	AtomicReference<Throwable> r = new AtomicReference<>();
3843		g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3844		checkIncomplete(f);
3845		CFException ex = new CFException();
#	Line 3669 | Line 3857 | public class CompletableFutureTest exten
3857		CFException ex = new CFException();
3858		CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3859		AtomicInteger x = new AtomicInteger(0);
3860	<	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3860	>	AtomicReference<Throwable> r = new AtomicReference<>();
3861		f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3862		assertEquals(x.get(), 0);
3863		assertEquals(r.get(), ex);
#	Line 3693 | Line 3881 | public class CompletableFutureTest exten
3881		public void testCompleteAsync2() {
3882		CompletableFuture<Integer> f = new CompletableFuture<>();
3883		CFException ex = new CFException();
3884	<	f.completeAsync(() -> {if (true) throw ex; return 1;});
3884	>	f.completeAsync(() -> { throw ex; });
3885		try {
3886		f.join();
3887		shouldThrow();
#	Line 3723 | Line 3911 | public class CompletableFutureTest exten
3911		CompletableFuture<Integer> f = new CompletableFuture<>();
3912		CFException ex = new CFException();
3913		ThreadExecutor executor = new ThreadExecutor();
3914	<	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3914	>	f.completeAsync(() -> { throw ex; }, executor);
3915		try {
3916		f.join();
3917		shouldThrow();
#	Line 3882 | Line 4070 | public class CompletableFutureTest exten
4070		List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
4071		= new ArrayList<>();
4072
4073	<	funs.add((y) -> m.thenRun(y, noopRunnable));
4074	<	funs.add((y) -> m.thenAccept(y, noopConsumer));
4075	<	funs.add((y) -> m.thenApply(y, incFunction));
4076	<
4077	<	funs.add((y) -> m.runAfterEither(y, incomplete, noopRunnable));
4078	<	funs.add((y) -> m.acceptEither(y, incomplete, noopConsumer));
4079	<	funs.add((y) -> m.applyToEither(y, incomplete, incFunction));
4080	<
4081	<	funs.add((y) -> m.runAfterBoth(y, v42, noopRunnable));
4082	<	funs.add((y) -> m.runAfterBoth(v42, y, noopRunnable));
4083	<	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4084	<	funs.add((y) -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4085	<	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
4086	<	funs.add((y) -> m.thenCombine(v42, y, new SubtractFunction(m)));
4087	<
4088	<	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4089	<
4090	<	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
4091	<
4092	<	funs.add((y) -> CompletableFuture.allOf(y));
4093	<	funs.add((y) -> CompletableFuture.allOf(y, v42));
4094	<	funs.add((y) -> CompletableFuture.allOf(v42, y));
4095	<	funs.add((y) -> CompletableFuture.anyOf(y));
4096	<	funs.add((y) -> CompletableFuture.anyOf(y, incomplete));
4097	<	funs.add((y) -> CompletableFuture.anyOf(incomplete, y));
4073	>	funs.add(y -> m.thenRun(y, noopRunnable));
4074	>	funs.add(y -> m.thenAccept(y, noopConsumer));
4075	>	funs.add(y -> m.thenApply(y, incFunction));
4076	>
4077	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
4078	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
4079	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
4080	>
4081	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
4082	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
4083	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
4084	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
4085	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
4086	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
4087	>
4088	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
4089	>
4090	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
4091	>
4092	>	funs.add(y -> CompletableFuture.allOf(y));
4093	>	funs.add(y -> CompletableFuture.allOf(y, v42));
4094	>	funs.add(y -> CompletableFuture.allOf(v42, y));
4095	>	funs.add(y -> CompletableFuture.anyOf(y));
4096	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
4097	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
4098
4099		for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
4100		fun : funs) {
#	Line 3963 | Line 4151 | public class CompletableFutureTest exten
4151		public void testMinimalCompletionStage_minimality() {
4152		if (!testImplementationDetails) return;
4153		Function<Method, String> toSignature =
4154	<	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
4154	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
4155		Predicate<Method> isNotStatic =
4156	<	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
4156	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
4157		List<Method> minimalMethods =
4158		Stream.of(Object.class, CompletionStage.class)
4159	<	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
4159	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
4160		.filter(isNotStatic)
4161		.collect(Collectors.toList());
4162		// Methods from CompletableFuture permitted NOT to throw UOE
#	Line 3984 | Line 4172 | public class CompletableFutureTest exten
4172		.collect(Collectors.toSet());
4173		List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4174		.filter(isNotStatic)
4175	<	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4175	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4176		.collect(Collectors.toList());
4177
4178		List<CompletionStage<Integer>> stages = new ArrayList<>();
#	Line 4144 | Line 4332 | public class CompletableFutureTest exten
4332		CompletionStage<Integer> minimal = f.minimalCompletionStage();
4333		CompletableFuture<Integer> g = new CompletableFuture<>();
4334		if (!createIncomplete) assertTrue(f.complete(v1));
4335	<	minimal.thenAccept((x) -> g.complete(x));
4335	>	minimal.thenAccept(x -> g.complete(x));
4336		if (createIncomplete) assertTrue(f.complete(v1));
4337		g.join();
4338		checkCompletedNormally(g, v1);
#	Line 4168 | Line 4356 | public class CompletableFutureTest exten
4356		static <T,U,V> Function<T, CompletableFuture<V>> compose
4357		(Function<T, CompletableFuture<U>> f,
4358		Function<U, CompletableFuture<V>> g) {
4359	<	return (x) -> f.apply(x).thenCompose(g);
4359	>	return x -> f.apply(x).thenCompose(g);
4360		}
4361
4362		static void assertZero(CompletableFuture<?> f) {
4363		try {
4364		f.getNow(null);
4365	<	throw new AssertionFailedError("should throw");
4365	>	throw new AssertionError("should throw");
4366		} catch (CompletionException success) {
4367		assertTrue(success.getCause() instanceof ZeroException);
4368		}
#	Line 4248 | Line 4436 | public class CompletableFutureTest exten
4436
4437		// Some mutually non-commutative functions
4438		Function<Long, CompletableFuture<Long>> triple
4439	<	= (x) -> Monad.unit(3 * x);
4439	>	= x -> Monad.unit(3 * x);
4440		Function<Long, CompletableFuture<Long>> inc
4441	<	= (x) -> Monad.unit(x + 1);
4441	>	= x -> Monad.unit(x + 1);
4442
4443		// unit is a right identity: m >>= unit === m
4444		Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
#	Line 4262 | Line 4450 | public class CompletableFutureTest exten
4450		// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4451		Monad.assertFutureEquals(
4452		unit.apply(5L).thenCompose(inc).thenCompose(triple),
4453	<	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
4453	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4454
4455		// The case for CompletableFuture as an additive monad is weaker...
4456
#	Line 4272 | Line 4460 | public class CompletableFutureTest exten
4460		// left zero: zero >>= f === zero
4461		Monad.assertZero(zero.thenCompose(inc));
4462		// right zero: f >>= (\x -> zero) === zero
4463	<	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
4463	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4464
4465		// f plus zero === f
4466		Monad.assertFutureEquals(Monad.unit(5L),
#	Line 4299 | Line 4487 | public class CompletableFutureTest exten
4487		}
4488
4489		/** Test long recursive chains of CompletableFutures with cascading completions */
4490	+	@SuppressWarnings("FutureReturnValueIgnored")
4491		public void testRecursiveChains() throws Throwable {
4492		for (ExecutionMode m : ExecutionMode.values())
4493		for (boolean addDeadEnds : new boolean[] { true, false })
#	Line 4323 | Line 4512 | public class CompletableFutureTest exten
4512		* A single CompletableFuture with many dependents.
4513		* A demo of scalability - runtime is O(n).
4514		*/
4515	+	@SuppressWarnings("FutureReturnValueIgnored")
4516		public void testManyDependents() throws Throwable {
4517		final int n = expensiveTests ? 1_000_000 : 10;
4518		final CompletableFuture<Void> head = new CompletableFuture<>();
#	Line 4330 | Line 4520 | public class CompletableFutureTest exten
4520		final AtomicInteger count = new AtomicInteger(0);
4521		for (int i = 0; i < n; i++) {
4522		head.thenRun(() -> count.getAndIncrement());
4523	<	head.thenAccept((x) -> count.getAndIncrement());
4524	<	head.thenApply((x) -> count.getAndIncrement());
4523	>	head.thenAccept(x -> count.getAndIncrement());
4524	>	head.thenApply(x -> count.getAndIncrement());
4525
4526		head.runAfterBoth(complete, () -> count.getAndIncrement());
4527		head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
#	Line 4341 | Line 4531 | public class CompletableFutureTest exten
4531		complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4532
4533		head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4534	<	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
4535	<	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
4534	>	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4535	>	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4536		new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4537	<	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
4538	<	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
4537	>	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4538	>	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4539		}
4540		head.complete(null);
4541		assertEquals(5 * 3 * n, count.get());
4542		}
4543
4544		/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4545	+	@SuppressWarnings("FutureReturnValueIgnored")
4546		public void testCoCompletionGarbageRetention() throws Throwable {
4547		final int n = expensiveTests ? 1_000_000 : 10;
4548		final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
#	Line 4362 | Line 4553 | public class CompletableFutureTest exten
4553		f.complete(null);
4554
4555		f = new CompletableFuture<>();
4556	<	f.acceptEither(incomplete, (x) -> {});
4556	>	f.acceptEither(incomplete, x -> {});
4557		f.complete(null);
4558
4559		f = new CompletableFuture<>();
4560	<	f.applyToEither(incomplete, (x) -> x);
4560	>	f.applyToEither(incomplete, x -> x);
4561		f.complete(null);
4562
4563		f = new CompletableFuture<>();
4564	<	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4564	>	CompletableFuture.anyOf(f, incomplete);
4565		f.complete(null);
4566		}
4567
#	Line 4380 | Line 4571 | public class CompletableFutureTest exten
4571		f.complete(null);
4572
4573		f = new CompletableFuture<>();
4574	<	incomplete.acceptEither(f, (x) -> {});
4574	>	incomplete.acceptEither(f, x -> {});
4575		f.complete(null);
4576
4577		f = new CompletableFuture<>();
4578	<	incomplete.applyToEither(f, (x) -> x);
4578	>	incomplete.applyToEither(f, x -> x);
4579		f.complete(null);
4580
4581		f = new CompletableFuture<>();
4582	<	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4582	>	CompletableFuture.anyOf(incomplete, f);
4583		f.complete(null);
4584		}
4585		}
#	Line 4482 | Line 4673 | public class CompletableFutureTest exten
4673		//         return stage.toCompletableFuture().copy().isDone();
4674		//     }
4675
4676	+	// For testing default implementations
4677	+	// Only non-default interface methods defined.
4678	+	static final class DelegatedCompletionStage<T> implements CompletionStage<T> {
4679	+	final CompletableFuture<T> cf;
4680	+	DelegatedCompletionStage(CompletableFuture<T> cf) { this.cf = cf; }
4681	+	public CompletableFuture<T> toCompletableFuture() {
4682	+	return cf; }
4683	+	public CompletionStage<Void> thenRun
4684	+	(Runnable action) {
4685	+	return cf.thenRun(action); }
4686	+	public CompletionStage<Void> thenRunAsync
4687	+	(Runnable action) {
4688	+	return cf.thenRunAsync(action); }
4689	+	public CompletionStage<Void> thenRunAsync
4690	+	(Runnable action,
4691	+	Executor executor) {
4692	+	return cf.thenRunAsync(action, executor); }
4693	+	public CompletionStage<Void> thenAccept
4694	+	(Consumer<? super T> action) {
4695	+	return cf.thenAccept(action); }
4696	+	public CompletionStage<Void> thenAcceptAsync
4697	+	(Consumer<? super T> action) {
4698	+	return cf.thenAcceptAsync(action); }
4699	+	public CompletionStage<Void> thenAcceptAsync
4700	+	(Consumer<? super T> action,
4701	+	Executor executor) {
4702	+	return cf.thenAcceptAsync(action, executor); }
4703	+	public <U> CompletionStage<U> thenApply
4704	+	(Function<? super T,? extends U> a) {
4705	+	return cf.thenApply(a); }
4706	+	public <U> CompletionStage<U> thenApplyAsync
4707	+	(Function<? super T,? extends U> fn) {
4708	+	return cf.thenApplyAsync(fn); }
4709	+	public <U> CompletionStage<U> thenApplyAsync
4710	+	(Function<? super T,? extends U> fn,
4711	+	Executor executor) {
4712	+	return cf.thenApplyAsync(fn, executor); }
4713	+	public <U,V> CompletionStage<V> thenCombine
4714	+	(CompletionStage<? extends U> other,
4715	+	BiFunction<? super T,? super U,? extends V> fn) {
4716	+	return cf.thenCombine(other, fn); }
4717	+	public <U,V> CompletionStage<V> thenCombineAsync
4718	+	(CompletionStage<? extends U> other,
4719	+	BiFunction<? super T,? super U,? extends V> fn) {
4720	+	return cf.thenCombineAsync(other, fn); }
4721	+	public <U,V> CompletionStage<V> thenCombineAsync
4722	+	(CompletionStage<? extends U> other,
4723	+	BiFunction<? super T,? super U,? extends V> fn,
4724	+	Executor executor) {
4725	+	return cf.thenCombineAsync(other, fn, executor); }
4726	+	public <U> CompletionStage<Void> thenAcceptBoth
4727	+	(CompletionStage<? extends U> other,
4728	+	BiConsumer<? super T, ? super U> action) {
4729	+	return cf.thenAcceptBoth(other, action); }
4730	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4731	+	(CompletionStage<? extends U> other,
4732	+	BiConsumer<? super T, ? super U> action) {
4733	+	return cf.thenAcceptBothAsync(other, action); }
4734	+	public <U> CompletionStage<Void> thenAcceptBothAsync
4735	+	(CompletionStage<? extends U> other,
4736	+	BiConsumer<? super T, ? super U> action,
4737	+	Executor executor) {
4738	+	return cf.thenAcceptBothAsync(other, action, executor); }
4739	+	public CompletionStage<Void> runAfterBoth
4740	+	(CompletionStage<?> other,
4741	+	Runnable action) {
4742	+	return cf.runAfterBoth(other, action); }
4743	+	public CompletionStage<Void> runAfterBothAsync
4744	+	(CompletionStage<?> other,
4745	+	Runnable action) {
4746	+	return cf.runAfterBothAsync(other, action); }
4747	+	public CompletionStage<Void> runAfterBothAsync
4748	+	(CompletionStage<?> other,
4749	+	Runnable action,
4750	+	Executor executor) {
4751	+	return cf.runAfterBothAsync(other, action, executor); }
4752	+	public <U> CompletionStage<U> applyToEither
4753	+	(CompletionStage<? extends T> other,
4754	+	Function<? super T, U> fn) {
4755	+	return cf.applyToEither(other, fn); }
4756	+	public <U> CompletionStage<U> applyToEitherAsync
4757	+	(CompletionStage<? extends T> other,
4758	+	Function<? super T, U> fn) {
4759	+	return cf.applyToEitherAsync(other, fn); }
4760	+	public <U> CompletionStage<U> applyToEitherAsync
4761	+	(CompletionStage<? extends T> other,
4762	+	Function<? super T, U> fn,
4763	+	Executor executor) {
4764	+	return cf.applyToEitherAsync(other, fn, executor); }
4765	+	public CompletionStage<Void> acceptEither
4766	+	(CompletionStage<? extends T> other,
4767	+	Consumer<? super T> action) {
4768	+	return cf.acceptEither(other, action); }
4769	+	public CompletionStage<Void> acceptEitherAsync
4770	+	(CompletionStage<? extends T> other,
4771	+	Consumer<? super T> action) {
4772	+	return cf.acceptEitherAsync(other, action); }
4773	+	public CompletionStage<Void> acceptEitherAsync
4774	+	(CompletionStage<? extends T> other,
4775	+	Consumer<? super T> action,
4776	+	Executor executor) {
4777	+	return cf.acceptEitherAsync(other, action, executor); }
4778	+	public CompletionStage<Void> runAfterEither
4779	+	(CompletionStage<?> other,
4780	+	Runnable action) {
4781	+	return cf.runAfterEither(other, action); }
4782	+	public CompletionStage<Void> runAfterEitherAsync
4783	+	(CompletionStage<?> other,
4784	+	Runnable action) {
4785	+	return cf.runAfterEitherAsync(other, action); }
4786	+	public CompletionStage<Void> runAfterEitherAsync
4787	+	(CompletionStage<?> other,
4788	+	Runnable action,
4789	+	Executor executor) {
4790	+	return cf.runAfterEitherAsync(other, action, executor); }
4791	+	public <U> CompletionStage<U> thenCompose
4792	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4793	+	return cf.thenCompose(fn); }
4794	+	public <U> CompletionStage<U> thenComposeAsync
4795	+	(Function<? super T, ? extends CompletionStage<U>> fn) {
4796	+	return cf.thenComposeAsync(fn); }
4797	+	public <U> CompletionStage<U> thenComposeAsync
4798	+	(Function<? super T, ? extends CompletionStage<U>> fn,
4799	+	Executor executor) {
4800	+	return cf.thenComposeAsync(fn, executor); }
4801	+	public <U> CompletionStage<U> handle
4802	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4803	+	return cf.handle(fn); }
4804	+	public <U> CompletionStage<U> handleAsync
4805	+	(BiFunction<? super T, Throwable, ? extends U> fn) {
4806	+	return cf.handleAsync(fn); }
4807	+	public <U> CompletionStage<U> handleAsync
4808	+	(BiFunction<? super T, Throwable, ? extends U> fn,
4809	+	Executor executor) {
4810	+	return cf.handleAsync(fn, executor); }
4811	+	public CompletionStage<T> whenComplete
4812	+	(BiConsumer<? super T, ? super Throwable> action) {
4813	+	return cf.whenComplete(action); }
4814	+	public CompletionStage<T> whenCompleteAsync
4815	+	(BiConsumer<? super T, ? super Throwable> action) {
4816	+	return cf.whenCompleteAsync(action); }
4817	+	public CompletionStage<T> whenCompleteAsync
4818	+	(BiConsumer<? super T, ? super Throwable> action,
4819	+	Executor executor) {
4820	+	return cf.whenCompleteAsync(action, executor); }
4821	+	public CompletionStage<T> exceptionally
4822	+	(Function<Throwable, ? extends T> fn) {
4823	+	return cf.exceptionally(fn); }
4824	+	}
4825	+
4826	+	/**
4827	+	* default-implemented exceptionallyAsync action is not invoked when
4828	+	* source completes normally, and source result is propagated
4829	+	*/
4830	+	public void testDefaultExceptionallyAsync_normalCompletion() {
4831	+	for (boolean createIncomplete : new boolean[] { true, false })
4832	+	for (Integer v1 : new Integer[] { 1, null })
4833	+	{
4834	+	final AtomicInteger ran = new AtomicInteger(0);
4835	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4836	+	final DelegatedCompletionStage<Integer> d =
4837	+	new DelegatedCompletionStage<Integer>(f);
4838	+	if (!createIncomplete) assertTrue(f.complete(v1));
4839	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4840	+	((Throwable t) -> {
4841	+	ran.getAndIncrement();
4842	+	throw new AssertionError("should not be called");
4843	+	});
4844	+	if (createIncomplete) assertTrue(f.complete(v1));
4845	+
4846	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4847	+	checkCompletedNormally(f, v1);
4848	+	assertEquals(0, ran.get());
4849	+	}}
4850	+
4851	+	/**
4852	+	* default-implemented exceptionallyAsync action completes with
4853	+	* function value on source exception
4854	+	*/
4855	+	public void testDefaultExceptionallyAsync_exceptionalCompletion() {
4856	+	for (boolean createIncomplete : new boolean[] { true, false })
4857	+	for (Integer v1 : new Integer[] { 1, null })
4858	+	{
4859	+	final AtomicInteger ran = new AtomicInteger(0);
4860	+	final CFException ex = new CFException();
4861	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4862	+	final DelegatedCompletionStage<Integer> d =
4863	+	new DelegatedCompletionStage<Integer>(f);
4864	+	if (!createIncomplete) f.completeExceptionally(ex);
4865	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4866	+	((Throwable t) -> {
4867	+	assertSame(t, ex);
4868	+	ran.getAndIncrement();
4869	+	return v1;
4870	+	});
4871	+	if (createIncomplete) f.completeExceptionally(ex);
4872	+
4873	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4874	+	assertEquals(1, ran.get());
4875	+	}}
4876	+
4877	+	/**
4878	+	* Under default implementation, if an "exceptionally action"
4879	+	* throws an exception, it completes exceptionally with that
4880	+	* exception
4881	+	*/
4882	+	public void testDefaultExceptionallyAsync_exceptionalCompletionActionFailed() {
4883	+	for (boolean createIncomplete : new boolean[] { true, false })
4884	+	{
4885	+	final AtomicInteger ran = new AtomicInteger(0);
4886	+	final CFException ex1 = new CFException();
4887	+	final CFException ex2 = new CFException();
4888	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4889	+	final DelegatedCompletionStage<Integer> d =
4890	+	new DelegatedCompletionStage<Integer>(f);
4891	+	if (!createIncomplete) f.completeExceptionally(ex1);
4892	+	final CompletionStage<Integer> g = d.exceptionallyAsync
4893	+	((Throwable t) -> {
4894	+	assertSame(t, ex1);
4895	+	ran.getAndIncrement();
4896	+	throw ex2;
4897	+	});
4898	+	if (createIncomplete) f.completeExceptionally(ex1);
4899	+
4900	+	checkCompletedWithWrappedException(g.toCompletableFuture(), ex2);
4901	+	checkCompletedExceptionally(f, ex1);
4902	+	checkCompletedExceptionally(d.toCompletableFuture(), ex1);
4903	+	assertEquals(1, ran.get());
4904	+	}}
4905	+
4906	+	/**
4907	+	* default-implemented exceptionallyCompose result completes
4908	+	* normally after normal completion of source
4909	+	*/
4910	+	public void testDefaultExceptionallyCompose_normalCompletion() {
4911	+	for (boolean createIncomplete : new boolean[] { true, false })
4912	+	for (Integer v1 : new Integer[] { 1, null })
4913	+	{
4914	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4915	+	final ExceptionalCompletableFutureFunction r =
4916	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4917	+	final DelegatedCompletionStage<Integer> d =
4918	+	new DelegatedCompletionStage<Integer>(f);
4919	+	if (!createIncomplete) assertTrue(f.complete(v1));
4920	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4921	+	if (createIncomplete) assertTrue(f.complete(v1));
4922	+
4923	+	checkCompletedNormally(f, v1);
4924	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4925	+	r.assertNotInvoked();
4926	+	}}
4927	+
4928	+	/**
4929	+	* default-implemented exceptionallyCompose result completes
4930	+	* normally after exceptional completion of source
4931	+	*/
4932	+	public void testDefaultExceptionallyCompose_exceptionalCompletion() {
4933	+	for (boolean createIncomplete : new boolean[] { true, false })
4934	+	{
4935	+	final CFException ex = new CFException();
4936	+	final ExceptionalCompletableFutureFunction r =
4937	+	new ExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4938	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4939	+	final DelegatedCompletionStage<Integer> d =
4940	+	new DelegatedCompletionStage<Integer>(f);
4941	+	if (!createIncomplete) f.completeExceptionally(ex);
4942	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4943	+	if (createIncomplete) f.completeExceptionally(ex);
4944	+
4945	+	checkCompletedExceptionally(f, ex);
4946	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
4947	+	r.assertInvoked();
4948	+	}}
4949	+
4950	+	/**
4951	+	* default-implemented exceptionallyCompose completes
4952	+	* exceptionally on exception if action does
4953	+	*/
4954	+	public void testDefaultExceptionallyCompose_actionFailed() {
4955	+	for (boolean createIncomplete : new boolean[] { true, false })
4956	+	{
4957	+	final CFException ex = new CFException();
4958	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4959	+	final FailingExceptionalCompletableFutureFunction r
4960	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.SYNC);
4961	+	final DelegatedCompletionStage<Integer> d =
4962	+	new DelegatedCompletionStage<Integer>(f);
4963	+	if (!createIncomplete) f.completeExceptionally(ex);
4964	+	final CompletionStage<Integer> g = d.exceptionallyCompose(r);
4965	+	if (createIncomplete) f.completeExceptionally(ex);
4966	+
4967	+	checkCompletedExceptionally(f, ex);
4968	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
4969	+	r.assertInvoked();
4970	+	}}
4971	+
4972	+	/**
4973	+	* default-implemented exceptionallyComposeAsync result completes
4974	+	* normally after normal completion of source
4975	+	*/
4976	+	public void testDefaultExceptionallyComposeAsync_normalCompletion() {
4977	+	for (boolean createIncomplete : new boolean[] { true, false })
4978	+	for (Integer v1 : new Integer[] { 1, null })
4979	+	{
4980	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
4981	+	final ExceptionalCompletableFutureFunction r =
4982	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
4983	+	final DelegatedCompletionStage<Integer> d =
4984	+	new DelegatedCompletionStage<Integer>(f);
4985	+	if (!createIncomplete) assertTrue(f.complete(v1));
4986	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
4987	+	if (createIncomplete) assertTrue(f.complete(v1));
4988	+
4989	+	checkCompletedNormally(f, v1);
4990	+	checkCompletedNormally(g.toCompletableFuture(), v1);
4991	+	r.assertNotInvoked();
4992	+	}}
4993	+
4994	+	/**
4995	+	* default-implemented exceptionallyComposeAsync result completes
4996	+	* normally after exceptional completion of source
4997	+	*/
4998	+	public void testDefaultExceptionallyComposeAsync_exceptionalCompletion() {
4999	+	for (boolean createIncomplete : new boolean[] { true, false })
5000	+	{
5001	+	final CFException ex = new CFException();
5002	+	final ExceptionalCompletableFutureFunction r =
5003	+	new ExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5004	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5005	+	final DelegatedCompletionStage<Integer> d =
5006	+	new DelegatedCompletionStage<Integer>(f);
5007	+	if (!createIncomplete) f.completeExceptionally(ex);
5008	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5009	+	if (createIncomplete) f.completeExceptionally(ex);
5010	+
5011	+	checkCompletedExceptionally(f, ex);
5012	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
5013	+	r.assertInvoked();
5014	+	}}
5015	+
5016	+	/**
5017	+	* default-implemented exceptionallyComposeAsync completes
5018	+	* exceptionally on exception if action does
5019	+	*/
5020	+	public void testDefaultExceptionallyComposeAsync_actionFailed() {
5021	+	for (boolean createIncomplete : new boolean[] { true, false })
5022	+	{
5023	+	final CFException ex = new CFException();
5024	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5025	+	final FailingExceptionalCompletableFutureFunction r
5026	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.ASYNC);
5027	+	final DelegatedCompletionStage<Integer> d =
5028	+	new DelegatedCompletionStage<Integer>(f);
5029	+	if (!createIncomplete) f.completeExceptionally(ex);
5030	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r);
5031	+	if (createIncomplete) f.completeExceptionally(ex);
5032	+
5033	+	checkCompletedExceptionally(f, ex);
5034	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5035	+	r.assertInvoked();
5036	+	}}
5037	+
5038	+	/**
5039	+	* default-implemented exceptionallyComposeAsync result completes
5040	+	* normally after normal completion of source
5041	+	*/
5042	+	public void testDefaultExceptionallyComposeAsyncExecutor_normalCompletion() {
5043	+	for (boolean createIncomplete : new boolean[] { true, false })
5044	+	for (Integer v1 : new Integer[] { 1, null })
5045	+	{
5046	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5047	+	final ExceptionalCompletableFutureFunction r =
5048	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5049	+	final DelegatedCompletionStage<Integer> d =
5050	+	new DelegatedCompletionStage<Integer>(f);
5051	+	if (!createIncomplete) assertTrue(f.complete(v1));
5052	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5053	+	if (createIncomplete) assertTrue(f.complete(v1));
5054	+
5055	+	checkCompletedNormally(f, v1);
5056	+	checkCompletedNormally(g.toCompletableFuture(), v1);
5057	+	r.assertNotInvoked();
5058	+	}}
5059	+
5060	+	/**
5061	+	* default-implemented exceptionallyComposeAsync result completes
5062	+	* normally after exceptional completion of source
5063	+	*/
5064	+	public void testDefaultExceptionallyComposeAsyncExecutor_exceptionalCompletion() {
5065	+	for (boolean createIncomplete : new boolean[] { true, false })
5066	+	{
5067	+	final CFException ex = new CFException();
5068	+	final ExceptionalCompletableFutureFunction r =
5069	+	new ExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5070	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5071	+	final DelegatedCompletionStage<Integer> d =
5072	+	new DelegatedCompletionStage<Integer>(f);
5073	+	if (!createIncomplete) f.completeExceptionally(ex);
5074	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5075	+	if (createIncomplete) f.completeExceptionally(ex);
5076	+
5077	+	checkCompletedExceptionally(f, ex);
5078	+	checkCompletedNormally(g.toCompletableFuture(), r.value);
5079	+	r.assertInvoked();
5080	+	}}
5081	+
5082	+	/**
5083	+	* default-implemented exceptionallyComposeAsync completes
5084	+	* exceptionally on exception if action does
5085	+	*/
5086	+	public void testDefaultExceptionallyComposeAsyncExecutor_actionFailed() {
5087	+	for (boolean createIncomplete : new boolean[] { true, false })
5088	+	{
5089	+	final CFException ex = new CFException();
5090	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
5091	+	final FailingExceptionalCompletableFutureFunction r
5092	+	= new FailingExceptionalCompletableFutureFunction(ExecutionMode.EXECUTOR);
5093	+	final DelegatedCompletionStage<Integer> d =
5094	+	new DelegatedCompletionStage<Integer>(f);
5095	+	if (!createIncomplete) f.completeExceptionally(ex);
5096	+	final CompletionStage<Integer> g = d.exceptionallyComposeAsync(r, new ThreadExecutor());
5097	+	if (createIncomplete) f.completeExceptionally(ex);
5098	+
5099	+	checkCompletedExceptionally(f, ex);
5100	+	checkCompletedWithWrappedException(g.toCompletableFuture(), r.ex);
5101	+	r.assertInvoked();
5102	+	}}
5103	+
5104		}

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