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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.82 by jsr166, Mon Jun 16 18:04:07 2014 UTC vs.
Revision 1.135 by jsr166, Sun Nov 15 20:03:08 2015 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31		import java.util.concurrent.ForkJoinPool;
32		import java.util.concurrent.ForkJoinTask;
33		import java.util.concurrent.TimeoutException;
34	+	import java.util.concurrent.TimeUnit;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
25	<	import static java.util.concurrent.TimeUnit.SECONDS;
26	<	import java.util.*;
27	<	import java.util.function.Supplier;
28	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
30	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.AssertionFailedError;
45	+	import junit.framework.Test;
46	+	import junit.framework.TestSuite;
47
48		public class CompletableFutureTest extends JSR166TestCase {
49
50		public static void main(String[] args) {
51	<	junit.textui.TestRunner.run(suite());
51	>	main(suite(), args);
52		}
53		public static Test suite() {
54		return new TestSuite(CompletableFutureTest.class);
#	Line 44 | Line 59 | public class CompletableFutureTest exten
59		void checkIncomplete(CompletableFuture<?> f) {
60		assertFalse(f.isDone());
61		assertFalse(f.isCancelled());
62	<	assertTrue(f.toString().contains("[Not completed]"));
62	>	assertTrue(f.toString().contains("Not completed"));
63		try {
64		assertNull(f.getNow(null));
65		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 57 | Line 72 | public class CompletableFutureTest exten
72		}
73
74		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
75	<	try {
76	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
62	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 75 | Line 89 | public class CompletableFutureTest exten
89		assertTrue(f.toString().contains("[Completed normally]"));
90		}
91
92	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
93	<	try {
94	<	f.get(LONG_DELAY_MS, MILLISECONDS);
95	<	shouldThrow();
96	<	} catch (ExecutionException success) {
97	<	assertTrue(success.getCause() instanceof CFException);
98	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
99	<	try {
100	<	f.join();
101	<	shouldThrow();
102	<	} catch (CompletionException success) {
103	<	assertTrue(success.getCause() instanceof CFException);
104	<	}
105	<	try {
106	<	f.getNow(null);
107	<	shouldThrow();
108	<	} catch (CompletionException success) {
95	<	assertTrue(success.getCause() instanceof CFException);
92	>	/**
93	>	* Returns the "raw" internal exceptional completion of f,
94	>	* without any additional wrapping with CompletionException.
95	>	*/
96	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
97	>	// handle (and whenComplete) can distinguish between "direct"
98	>	// and "wrapped" exceptional completion
99	>	return f.handle((U u, Throwable t) -> t).join();
100	>	}
101	>
102	>	void checkCompletedExceptionally(CompletableFuture<?> f,
103	>	boolean wrapped,
104	>	Consumer<Throwable> checker) {
105	>	Throwable cause = exceptionalCompletion(f);
106	>	if (wrapped) {
107	>	assertTrue(cause instanceof CompletionException);
108	>	cause = cause.getCause();
109		}
110	<	try {
98	<	f.get();
99	<	shouldThrow();
100	<	} catch (ExecutionException success) {
101	<	assertTrue(success.getCause() instanceof CFException);
102	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
103	<	assertTrue(f.isDone());
104	<	assertFalse(f.isCancelled());
105	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
106	<	}
110	>	checker.accept(cause);
111
112	<	<U> void checkCompletedExceptionallyWithRootCause(CompletableFuture<U> f,
109	<	Throwable ex) {
112	>	long startTime = System.nanoTime();
113		try {
114		f.get(LONG_DELAY_MS, MILLISECONDS);
115		shouldThrow();
116		} catch (ExecutionException success) {
117	<	assertSame(ex, success.getCause());
117	>	assertSame(cause, success.getCause());
118		} catch (Throwable fail) { threadUnexpectedException(fail); }
119	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
120	+
121		try {
122		f.join();
123		shouldThrow();
124		} catch (CompletionException success) {
125	<	assertSame(ex, success.getCause());
126	<	}
125	>	assertSame(cause, success.getCause());
126	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
127	>
128		try {
129		f.getNow(null);
130		shouldThrow();
131		} catch (CompletionException success) {
132	<	assertSame(ex, success.getCause());
133	<	}
132	>	assertSame(cause, success.getCause());
133	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
134	>
135		try {
136		f.get();
137		shouldThrow();
138		} catch (ExecutionException success) {
139	<	assertSame(ex, success.getCause());
139	>	assertSame(cause, success.getCause());
140		} catch (Throwable fail) { threadUnexpectedException(fail); }
141
135	–	assertTrue(f.isDone());
142		assertFalse(f.isCancelled());
143	+	assertTrue(f.isDone());
144	+	assertTrue(f.isCompletedExceptionally());
145		assertTrue(f.toString().contains("[Completed exceptionally]"));
146		}
147
148	<	<U> void checkCompletedWithWrappedException(CompletableFuture<U> f,
149	<	Throwable ex) {
150	<	checkCompletedExceptionallyWithRootCause(f, ex);
143	<	try {
144	<	CompletableFuture<Throwable> spy = f.handle
145	<	((U u, Throwable t) -> t);
146	<	assertTrue(spy.join() instanceof CompletionException);
147	<	assertSame(ex, spy.join().getCause());
148	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
148	>	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
149	>	checkCompletedExceptionally(f, true,
150	>	(t) -> assertTrue(t instanceof CFException));
151		}
152
153	<	<U> void checkCompletedExceptionally(CompletableFuture<U> f, Throwable ex) {
154	<	checkCompletedExceptionallyWithRootCause(f, ex);
155	<	try {
156	<	CompletableFuture<Throwable> spy = f.handle
157	<	((U u, Throwable t) -> t);
158	<	assertSame(ex, spy.join());
159	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
153	>	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
154	>	checkCompletedExceptionally(f, true,
155	>	(t) -> assertTrue(t instanceof CancellationException));
156	>	}
157	>
158	>	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
159	>	checkCompletedExceptionally(f, false,
160	>	(t) -> assertTrue(t instanceof TimeoutException));
161	>	}
162	>
163	>	void checkCompletedWithWrappedException(CompletableFuture<?> f,
164	>	Throwable ex) {
165	>	checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex));
166	>	}
167	>
168	>	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
169	>	checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex));
170		}
171
172		void checkCancelled(CompletableFuture<?> f) {
173	+	long startTime = System.nanoTime();
174		try {
175		f.get(LONG_DELAY_MS, MILLISECONDS);
176		shouldThrow();
177		} catch (CancellationException success) {
178		} catch (Throwable fail) { threadUnexpectedException(fail); }
179	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
180	+
181		try {
182		f.join();
183		shouldThrow();
#	Line 176 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} catch (Throwable fail) { threadUnexpectedException(fail); }
179	–	assertTrue(f.isDone());
180	–	assertTrue(f.isCompletedExceptionally());
181	–	assertTrue(f.isCancelled());
182	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
183	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	try {
187	<	f.get(LONG_DELAY_MS, MILLISECONDS);
188	<	shouldThrow();
189	<	} catch (ExecutionException success) {
190	<	assertTrue(success.getCause() instanceof CancellationException);
191	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
192	<	try {
193	<	f.join();
194	<	shouldThrow();
195	<	} catch (CompletionException success) {
196	<	assertTrue(success.getCause() instanceof CancellationException);
197	<	}
198	<	try {
199	<	f.getNow(null);
200	<	shouldThrow();
201	<	} catch (CompletionException success) {
202	<	assertTrue(success.getCause() instanceof CancellationException);
203	<	}
204	<	try {
205	<	f.get();
206	<	shouldThrow();
207	<	} catch (ExecutionException success) {
208	<	assertTrue(success.getCause() instanceof CancellationException);
209	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
211	–	assertFalse(f.isCancelled());
198		assertTrue(f.isCompletedExceptionally());
199	+	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 257 | Line 244 | public class CompletableFutureTest exten
244		{
245		CompletableFuture<Integer> f = new CompletableFuture<>();
246		checkIncomplete(f);
247	<	assertTrue(f.cancel(true));
248	<	assertTrue(f.cancel(true));
247	>	assertTrue(f.cancel(mayInterruptIfRunning));
248	>	assertTrue(f.cancel(mayInterruptIfRunning));
249	>	assertTrue(f.cancel(!mayInterruptIfRunning));
250		checkCancelled(f);
251		}}
252
#	Line 530 | Line 518 | public class CompletableFutureTest exten
518		}
519		}
520
533	–
521		class CompletableFutureInc extends CheckedIntegerAction
522		implements Function<Integer, CompletableFuture<Integer>>
523		{
#	Line 569 | Line 556 | public class CompletableFutureTest exten
556		}
557		}
558
559	+	static final boolean defaultExecutorIsCommonPool
560	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
561	+
562		/**
563		* Permits the testing of parallel code for the 3 different
564		* execution modes without copy/pasting all the test methods.
565		*/
566		enum ExecutionMode {
567	<	DEFAULT {
567	>	SYNC {
568		public void checkExecutionMode() {
569		assertFalse(ThreadExecutor.startedCurrentThread());
570		assertNull(ForkJoinTask.getPool());
#	Line 650 | Line 640 | public class CompletableFutureTest exten
640
641		ASYNC {
642		public void checkExecutionMode() {
643	<	assertSame(ForkJoinPool.commonPool(),
644	<	ForkJoinTask.getPool());
643	>	assertEquals(defaultExecutorIsCommonPool,
644	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
645		}
646		public CompletableFuture<Void> runAsync(Runnable a) {
647		return CompletableFuture.runAsync(a);
#	Line 850 | Line 840 | public class CompletableFutureTest exten
840		if (!createIncomplete) assertTrue(f.complete(v1));
841		final CompletableFuture<Integer> g = f.exceptionally
842		((Throwable t) -> {
853	–	// Should not be called
843		a.getAndIncrement();
844	<	throw new AssertionError();
844	>	threadFail("should not be called");
845	>	return null;            // unreached
846		});
847		if (createIncomplete) assertTrue(f.complete(v1));
848
#	Line 875 | Line 865 | public class CompletableFutureTest exten
865		if (!createIncomplete) f.completeExceptionally(ex);
866		final CompletableFuture<Integer> g = f.exceptionally
867		((Throwable t) -> {
868	<	ExecutionMode.DEFAULT.checkExecutionMode();
868	>	ExecutionMode.SYNC.checkExecutionMode();
869		threadAssertSame(t, ex);
870		a.getAndIncrement();
871		return v1;
#	Line 888 | Line 878 | public class CompletableFutureTest exten
878
879		public void testExceptionally_exceptionalCompletionActionFailed() {
880		for (boolean createIncomplete : new boolean[] { true, false })
891	–	for (Integer v1 : new Integer[] { 1, null })
881		{
882		final AtomicInteger a = new AtomicInteger(0);
883		final CFException ex1 = new CFException();
#	Line 897 | Line 886 | public class CompletableFutureTest exten
886		if (!createIncomplete) f.completeExceptionally(ex1);
887		final CompletableFuture<Integer> g = f.exceptionally
888		((Throwable t) -> {
889	<	ExecutionMode.DEFAULT.checkExecutionMode();
889	>	ExecutionMode.SYNC.checkExecutionMode();
890		threadAssertSame(t, ex1);
891		a.getAndIncrement();
892		throw ex2;
#	Line 912 | Line 901 | public class CompletableFutureTest exten
901		* whenComplete action executes on normal completion, propagating
902		* source result.
903		*/
904	<	public void testWhenComplete_normalCompletion1() {
904	>	public void testWhenComplete_normalCompletion() {
905		for (ExecutionMode m : ExecutionMode.values())
906		for (boolean createIncomplete : new boolean[] { true, false })
907		for (Integer v1 : new Integer[] { 1, null })
#	Line 922 | Line 911 | public class CompletableFutureTest exten
911		if (!createIncomplete) assertTrue(f.complete(v1));
912		final CompletableFuture<Integer> g = m.whenComplete
913		(f,
914	<	(Integer x, Throwable t) -> {
914	>	(Integer result, Throwable t) -> {
915		m.checkExecutionMode();
916	<	threadAssertSame(x, v1);
916	>	threadAssertSame(result, v1);
917		threadAssertNull(t);
918		a.getAndIncrement();
919		});
#	Line 942 | Line 931 | public class CompletableFutureTest exten
931		public void testWhenComplete_exceptionalCompletion() {
932		for (ExecutionMode m : ExecutionMode.values())
933		for (boolean createIncomplete : new boolean[] { true, false })
945	–	for (Integer v1 : new Integer[] { 1, null })
934		{
935		final AtomicInteger a = new AtomicInteger(0);
936		final CFException ex = new CFException();
#	Line 950 | Line 938 | public class CompletableFutureTest exten
938		if (!createIncomplete) f.completeExceptionally(ex);
939		final CompletableFuture<Integer> g = m.whenComplete
940		(f,
941	<	(Integer x, Throwable t) -> {
941	>	(Integer result, Throwable t) -> {
942		m.checkExecutionMode();
943	<	threadAssertNull(x);
943	>	threadAssertNull(result);
944		threadAssertSame(t, ex);
945		a.getAndIncrement();
946		});
#	Line 977 | Line 965 | public class CompletableFutureTest exten
965		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
966		final CompletableFuture<Integer> g = m.whenComplete
967		(f,
968	<	(Integer x, Throwable t) -> {
968	>	(Integer result, Throwable t) -> {
969		m.checkExecutionMode();
970	<	threadAssertNull(x);
970	>	threadAssertNull(result);
971		threadAssertTrue(t instanceof CancellationException);
972		a.getAndIncrement();
973		});
#	Line 994 | Line 982 | public class CompletableFutureTest exten
982		* If a whenComplete action throws an exception when triggered by
983		* a normal completion, it completes exceptionally
984		*/
985	<	public void testWhenComplete_actionFailed() {
985	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
986		for (boolean createIncomplete : new boolean[] { true, false })
987		for (ExecutionMode m : ExecutionMode.values())
988		for (Integer v1 : new Integer[] { 1, null })
#	Line 1005 | Line 993 | public class CompletableFutureTest exten
993		if (!createIncomplete) assertTrue(f.complete(v1));
994		final CompletableFuture<Integer> g = m.whenComplete
995		(f,
996	<	(Integer x, Throwable t) -> {
996	>	(Integer result, Throwable t) -> {
997		m.checkExecutionMode();
998	<	threadAssertSame(x, v1);
998	>	threadAssertSame(result, v1);
999		threadAssertNull(t);
1000		a.getAndIncrement();
1001		throw ex;
#	Line 1022 | Line 1010 | public class CompletableFutureTest exten
1010		/**
1011		* If a whenComplete action throws an exception when triggered by
1012		* a source completion that also throws an exception, the source
1013	<	* exception takes precedence.
1013	>	* exception takes precedence (unlike handle)
1014		*/
1015	<	public void testWhenComplete_actionFailedSourceFailed() {
1015	>	public void testWhenComplete_sourceFailedActionFailed() {
1016		for (boolean createIncomplete : new boolean[] { true, false })
1017		for (ExecutionMode m : ExecutionMode.values())
1030	–	for (Integer v1 : new Integer[] { 1, null })
1018		{
1019		final AtomicInteger a = new AtomicInteger(0);
1020		final CFException ex1 = new CFException();
#	Line 1037 | Line 1024 | public class CompletableFutureTest exten
1024		if (!createIncomplete) f.completeExceptionally(ex1);
1025		final CompletableFuture<Integer> g = m.whenComplete
1026		(f,
1027	<	(Integer x, Throwable t) -> {
1027	>	(Integer result, Throwable t) -> {
1028		m.checkExecutionMode();
1029		threadAssertSame(t, ex1);
1030	<	threadAssertNull(x);
1030	>	threadAssertNull(result);
1031		a.getAndIncrement();
1032		throw ex2;
1033		});
#	Line 1065 | Line 1052 | public class CompletableFutureTest exten
1052		if (!createIncomplete) assertTrue(f.complete(v1));
1053		final CompletableFuture<Integer> g = m.handle
1054		(f,
1055	<	(Integer x, Throwable t) -> {
1055	>	(Integer result, Throwable t) -> {
1056		m.checkExecutionMode();
1057	<	threadAssertSame(x, v1);
1057	>	threadAssertSame(result, v1);
1058		threadAssertNull(t);
1059		a.getAndIncrement();
1060		return inc(v1);
#	Line 1094 | Line 1081 | public class CompletableFutureTest exten
1081		if (!createIncomplete) f.completeExceptionally(ex);
1082		final CompletableFuture<Integer> g = m.handle
1083		(f,
1084	<	(Integer x, Throwable t) -> {
1084	>	(Integer result, Throwable t) -> {
1085		m.checkExecutionMode();
1086	<	threadAssertNull(x);
1086	>	threadAssertNull(result);
1087		threadAssertSame(t, ex);
1088		a.getAndIncrement();
1089		return v1;
#	Line 1123 | Line 1110 | public class CompletableFutureTest exten
1110		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1111		final CompletableFuture<Integer> g = m.handle
1112		(f,
1113	<	(Integer x, Throwable t) -> {
1113	>	(Integer result, Throwable t) -> {
1114		m.checkExecutionMode();
1115	<	threadAssertNull(x);
1115	>	threadAssertNull(result);
1116		threadAssertTrue(t instanceof CancellationException);
1117		a.getAndIncrement();
1118		return v1;
#	Line 1138 | Line 1125 | public class CompletableFutureTest exten
1125		}}
1126
1127		/**
1128	<	* handle result completes exceptionally if action does
1128	>	* If a "handle action" throws an exception when triggered by
1129	>	* a normal completion, it completes exceptionally
1130		*/
1131	<	public void testHandle_sourceFailedActionFailed() {
1131	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1132		for (ExecutionMode m : ExecutionMode.values())
1133		for (boolean createIncomplete : new boolean[] { true, false })
1134	+	for (Integer v1 : new Integer[] { 1, null })
1135		{
1136		final CompletableFuture<Integer> f = new CompletableFuture<>();
1137		final AtomicInteger a = new AtomicInteger(0);
1138	<	final CFException ex1 = new CFException();
1139	<	final CFException ex2 = new CFException();
1151	<	if (!createIncomplete) f.completeExceptionally(ex1);
1138	>	final CFException ex = new CFException();
1139	>	if (!createIncomplete) assertTrue(f.complete(v1));
1140		final CompletableFuture<Integer> g = m.handle
1141		(f,
1142	<	(Integer x, Throwable t) -> {
1142	>	(Integer result, Throwable t) -> {
1143		m.checkExecutionMode();
1144	<	threadAssertNull(x);
1145	<	threadAssertSame(ex1, t);
1144	>	threadAssertSame(result, v1);
1145	>	threadAssertNull(t);
1146		a.getAndIncrement();
1147	<	throw ex2;
1147	>	throw ex;
1148		});
1149	<	if (createIncomplete) f.completeExceptionally(ex1);
1149	>	if (createIncomplete) assertTrue(f.complete(v1));
1150
1151	<	checkCompletedWithWrappedException(g, ex2);
1152	<	checkCompletedExceptionally(f, ex1);
1151	>	checkCompletedWithWrappedException(g, ex);
1152	>	checkCompletedNormally(f, v1);
1153		assertEquals(1, a.get());
1154		}}
1155
1156	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1157	<	for (ExecutionMode m : ExecutionMode.values())
1156	>	/**
1157	>	* If a "handle action" throws an exception when triggered by
1158	>	* a source completion that also throws an exception, the action
1159	>	* exception takes precedence (unlike whenComplete)
1160	>	*/
1161	>	public void testHandle_sourceFailedActionFailed() {
1162		for (boolean createIncomplete : new boolean[] { true, false })
1163	<	for (Integer v1 : new Integer[] { 1, null })
1163	>	for (ExecutionMode m : ExecutionMode.values())
1164		{
1173	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1165		final AtomicInteger a = new AtomicInteger(0);
1166	<	final CFException ex = new CFException();
1167	<	if (!createIncomplete) assertTrue(f.complete(v1));
1166	>	final CFException ex1 = new CFException();
1167	>	final CFException ex2 = new CFException();
1168	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1169	>
1170	>	if (!createIncomplete) f.completeExceptionally(ex1);
1171		final CompletableFuture<Integer> g = m.handle
1172		(f,
1173	<	(Integer x, Throwable t) -> {
1173	>	(Integer result, Throwable t) -> {
1174		m.checkExecutionMode();
1175	<	threadAssertSame(x, v1);
1176	<	threadAssertNull(t);
1175	>	threadAssertNull(result);
1176	>	threadAssertSame(ex1, t);
1177		a.getAndIncrement();
1178	<	throw ex;
1178	>	throw ex2;
1179		});
1180	<	if (createIncomplete) assertTrue(f.complete(v1));
1180	>	if (createIncomplete) f.completeExceptionally(ex1);
1181
1182	<	checkCompletedWithWrappedException(g, ex);
1183	<	checkCompletedNormally(f, v1);
1182	>	checkCompletedWithWrappedException(g, ex2);
1183	>	checkCompletedExceptionally(f, ex1);
1184		assertEquals(1, a.get());
1185		}}
1186
#	Line 1264 | Line 1258 | public class CompletableFutureTest exten
1258		*/
1259		public void testThenRun_normalCompletion() {
1260		for (ExecutionMode m : ExecutionMode.values())
1267	–	for (boolean createIncomplete : new boolean[] { true, false })
1261		for (Integer v1 : new Integer[] { 1, null })
1262		{
1263		final CompletableFuture<Integer> f = new CompletableFuture<>();
1264	<	final Noop r = new Noop(m);
1265	<	if (!createIncomplete) assertTrue(f.complete(v1));
1273	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1274	<	if (createIncomplete) {
1275	<	checkIncomplete(g);
1276	<	assertTrue(f.complete(v1));
1277	<	}
1264	>	final Noop[] rs = new Noop[6];
1265	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1266
1267	<	checkCompletedNormally(g, null);
1267	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1268	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1269	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1270	>	checkIncomplete(h0);
1271	>	checkIncomplete(h1);
1272	>	checkIncomplete(h2);
1273	>	assertTrue(f.complete(v1));
1274	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1275	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1276	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1277	>
1278	>	checkCompletedNormally(h0, null);
1279	>	checkCompletedNormally(h1, null);
1280	>	checkCompletedNormally(h2, null);
1281	>	checkCompletedNormally(h3, null);
1282	>	checkCompletedNormally(h4, null);
1283	>	checkCompletedNormally(h5, null);
1284		checkCompletedNormally(f, v1);
1285	<	r.assertInvoked();
1285	>	for (Noop r : rs) r.assertInvoked();
1286		}}
1287
1288		/**
#	Line 1287 | Line 1291 | public class CompletableFutureTest exten
1291		*/
1292		public void testThenRun_exceptionalCompletion() {
1293		for (ExecutionMode m : ExecutionMode.values())
1290	–	for (boolean createIncomplete : new boolean[] { true, false })
1294		{
1295		final CFException ex = new CFException();
1296		final CompletableFuture<Integer> f = new CompletableFuture<>();
1297	<	final Noop r = new Noop(m);
1298	<	if (!createIncomplete) f.completeExceptionally(ex);
1296	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1297	<	if (createIncomplete) {
1298	<	checkIncomplete(g);
1299	<	f.completeExceptionally(ex);
1300	<	}
1297	>	final Noop[] rs = new Noop[6];
1298	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1299
1300	<	checkCompletedWithWrappedException(g, ex);
1300	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1301	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1302	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1303	>	checkIncomplete(h0);
1304	>	checkIncomplete(h1);
1305	>	checkIncomplete(h2);
1306	>	assertTrue(f.completeExceptionally(ex));
1307	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1308	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1309	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1310	>
1311	>	checkCompletedWithWrappedException(h0, ex);
1312	>	checkCompletedWithWrappedException(h1, ex);
1313	>	checkCompletedWithWrappedException(h2, ex);
1314	>	checkCompletedWithWrappedException(h3, ex);
1315	>	checkCompletedWithWrappedException(h4, ex);
1316	>	checkCompletedWithWrappedException(h5, ex);
1317		checkCompletedExceptionally(f, ex);
1318	<	r.assertNotInvoked();
1318	>	for (Noop r : rs) r.assertNotInvoked();
1319		}}
1320
1321		/**
#	Line 1309 | Line 1323 | public class CompletableFutureTest exten
1323		*/
1324		public void testThenRun_sourceCancelled() {
1325		for (ExecutionMode m : ExecutionMode.values())
1312	–	for (boolean createIncomplete : new boolean[] { true, false })
1326		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1327		{
1328		final CompletableFuture<Integer> f = new CompletableFuture<>();
1329	<	final Noop r = new Noop(m);
1330	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1318	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1319	<	if (createIncomplete) {
1320	<	checkIncomplete(g);
1321	<	assertTrue(f.cancel(mayInterruptIfRunning));
1322	<	}
1329	>	final Noop[] rs = new Noop[6];
1330	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1331
1332	<	checkCompletedWithWrappedCancellationException(g);
1332	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1333	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1334	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1335	>	checkIncomplete(h0);
1336	>	checkIncomplete(h1);
1337	>	checkIncomplete(h2);
1338	>	assertTrue(f.cancel(mayInterruptIfRunning));
1339	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1340	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1341	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1342	>
1343	>	checkCompletedWithWrappedCancellationException(h0);
1344	>	checkCompletedWithWrappedCancellationException(h1);
1345	>	checkCompletedWithWrappedCancellationException(h2);
1346	>	checkCompletedWithWrappedCancellationException(h3);
1347	>	checkCompletedWithWrappedCancellationException(h4);
1348	>	checkCompletedWithWrappedCancellationException(h5);
1349		checkCancelled(f);
1350	<	r.assertNotInvoked();
1350	>	for (Noop r : rs) r.assertNotInvoked();
1351		}}
1352
1353		/**
#	Line 1331 | Line 1355 | public class CompletableFutureTest exten
1355		*/
1356		public void testThenRun_actionFailed() {
1357		for (ExecutionMode m : ExecutionMode.values())
1334	–	for (boolean createIncomplete : new boolean[] { true, false })
1358		for (Integer v1 : new Integer[] { 1, null })
1359		{
1360		final CompletableFuture<Integer> f = new CompletableFuture<>();
1361	<	final FailingRunnable r = new FailingRunnable(m);
1362	<	if (!createIncomplete) assertTrue(f.complete(v1));
1340	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1341	<	if (createIncomplete) {
1342	<	checkIncomplete(g);
1343	<	assertTrue(f.complete(v1));
1344	<	}
1361	>	final FailingRunnable[] rs = new FailingRunnable[6];
1362	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1363
1364	<	checkCompletedWithWrappedCFException(g);
1364	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1365	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1366	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1367	>	assertTrue(f.complete(v1));
1368	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1369	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1370	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1371	>
1372	>	checkCompletedWithWrappedCFException(h0);
1373	>	checkCompletedWithWrappedCFException(h1);
1374	>	checkCompletedWithWrappedCFException(h2);
1375	>	checkCompletedWithWrappedCFException(h3);
1376	>	checkCompletedWithWrappedCFException(h4);
1377	>	checkCompletedWithWrappedCFException(h5);
1378		checkCompletedNormally(f, v1);
1379		}}
1380
#	Line 1352 | Line 1383 | public class CompletableFutureTest exten
1383		*/
1384		public void testThenApply_normalCompletion() {
1385		for (ExecutionMode m : ExecutionMode.values())
1355	–	for (boolean createIncomplete : new boolean[] { true, false })
1386		for (Integer v1 : new Integer[] { 1, null })
1387		{
1388		final CompletableFuture<Integer> f = new CompletableFuture<>();
1389	<	final IncFunction r = new IncFunction(m);
1390	<	if (!createIncomplete) assertTrue(f.complete(v1));
1361	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1362	<	if (createIncomplete) {
1363	<	checkIncomplete(g);
1364	<	assertTrue(f.complete(v1));
1365	<	}
1389	>	final IncFunction[] rs = new IncFunction[4];
1390	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1391
1392	<	checkCompletedNormally(g, inc(v1));
1392	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1393	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1394	>	checkIncomplete(h0);
1395	>	checkIncomplete(h1);
1396	>	assertTrue(f.complete(v1));
1397	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1398	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1399	>
1400	>	checkCompletedNormally(h0, inc(v1));
1401	>	checkCompletedNormally(h1, inc(v1));
1402	>	checkCompletedNormally(h2, inc(v1));
1403	>	checkCompletedNormally(h3, inc(v1));
1404		checkCompletedNormally(f, v1);
1405	<	r.assertValue(inc(v1));
1405	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1406		}}
1407
1408		/**
#	Line 1375 | Line 1411 | public class CompletableFutureTest exten
1411		*/
1412		public void testThenApply_exceptionalCompletion() {
1413		for (ExecutionMode m : ExecutionMode.values())
1378	–	for (boolean createIncomplete : new boolean[] { true, false })
1414		{
1415		final CFException ex = new CFException();
1416		final CompletableFuture<Integer> f = new CompletableFuture<>();
1417	<	final IncFunction r = new IncFunction(m);
1418	<	if (!createIncomplete) f.completeExceptionally(ex);
1384	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1385	<	if (createIncomplete) {
1386	<	checkIncomplete(g);
1387	<	f.completeExceptionally(ex);
1388	<	}
1417	>	final IncFunction[] rs = new IncFunction[4];
1418	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1419
1420	<	checkCompletedWithWrappedException(g, ex);
1420	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1421	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1422	>	assertTrue(f.completeExceptionally(ex));
1423	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1424	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1425	>
1426	>	checkCompletedWithWrappedException(h0, ex);
1427	>	checkCompletedWithWrappedException(h1, ex);
1428	>	checkCompletedWithWrappedException(h2, ex);
1429	>	checkCompletedWithWrappedException(h3, ex);
1430		checkCompletedExceptionally(f, ex);
1431	<	r.assertNotInvoked();
1431	>	for (IncFunction r : rs) r.assertNotInvoked();
1432		}}
1433
1434		/**
#	Line 1397 | Line 1436 | public class CompletableFutureTest exten
1436		*/
1437		public void testThenApply_sourceCancelled() {
1438		for (ExecutionMode m : ExecutionMode.values())
1400	–	for (boolean createIncomplete : new boolean[] { true, false })
1439		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1440		{
1441		final CompletableFuture<Integer> f = new CompletableFuture<>();
1442	<	final IncFunction r = new IncFunction(m);
1443	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1406	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1407	<	if (createIncomplete) {
1408	<	checkIncomplete(g);
1409	<	assertTrue(f.cancel(mayInterruptIfRunning));
1410	<	}
1442	>	final IncFunction[] rs = new IncFunction[4];
1443	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1444
1445	<	checkCompletedWithWrappedCancellationException(g);
1445	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1446	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1447	>	assertTrue(f.cancel(mayInterruptIfRunning));
1448	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1449	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1450	>
1451	>	checkCompletedWithWrappedCancellationException(h0);
1452	>	checkCompletedWithWrappedCancellationException(h1);
1453	>	checkCompletedWithWrappedCancellationException(h2);
1454	>	checkCompletedWithWrappedCancellationException(h3);
1455		checkCancelled(f);
1456	<	r.assertNotInvoked();
1456	>	for (IncFunction r : rs) r.assertNotInvoked();
1457		}}
1458
1459		/**
#	Line 1419 | Line 1461 | public class CompletableFutureTest exten
1461		*/
1462		public void testThenApply_actionFailed() {
1463		for (ExecutionMode m : ExecutionMode.values())
1422	–	for (boolean createIncomplete : new boolean[] { true, false })
1464		for (Integer v1 : new Integer[] { 1, null })
1465		{
1466		final CompletableFuture<Integer> f = new CompletableFuture<>();
1467	<	final FailingFunction r = new FailingFunction(m);
1468	<	if (!createIncomplete) assertTrue(f.complete(v1));
1428	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1429	<	if (createIncomplete) {
1430	<	checkIncomplete(g);
1431	<	assertTrue(f.complete(v1));
1432	<	}
1467	>	final FailingFunction[] rs = new FailingFunction[4];
1468	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1469
1470	<	checkCompletedWithWrappedCFException(g);
1470	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1471	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1472	>	assertTrue(f.complete(v1));
1473	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1474	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1475	>
1476	>	checkCompletedWithWrappedCFException(h0);
1477	>	checkCompletedWithWrappedCFException(h1);
1478	>	checkCompletedWithWrappedCFException(h2);
1479	>	checkCompletedWithWrappedCFException(h3);
1480		checkCompletedNormally(f, v1);
1481		}}
1482
#	Line 1440 | Line 1485 | public class CompletableFutureTest exten
1485		*/
1486		public void testThenAccept_normalCompletion() {
1487		for (ExecutionMode m : ExecutionMode.values())
1443	–	for (boolean createIncomplete : new boolean[] { true, false })
1488		for (Integer v1 : new Integer[] { 1, null })
1489		{
1490		final CompletableFuture<Integer> f = new CompletableFuture<>();
1491	<	final NoopConsumer r = new NoopConsumer(m);
1492	<	if (!createIncomplete) assertTrue(f.complete(v1));
1449	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1450	<	if (createIncomplete) {
1451	<	checkIncomplete(g);
1452	<	assertTrue(f.complete(v1));
1453	<	}
1491	>	final NoopConsumer[] rs = new NoopConsumer[4];
1492	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1493
1494	<	checkCompletedNormally(g, null);
1495	<	r.assertValue(v1);
1494	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1495	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1496	>	checkIncomplete(h0);
1497	>	checkIncomplete(h1);
1498	>	assertTrue(f.complete(v1));
1499	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1500	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1501	>
1502	>	checkCompletedNormally(h0, null);
1503	>	checkCompletedNormally(h1, null);
1504	>	checkCompletedNormally(h2, null);
1505	>	checkCompletedNormally(h3, null);
1506		checkCompletedNormally(f, v1);
1507	+	for (NoopConsumer r : rs) r.assertValue(v1);
1508		}}
1509
1510		/**
#	Line 1463 | Line 1513 | public class CompletableFutureTest exten
1513		*/
1514		public void testThenAccept_exceptionalCompletion() {
1515		for (ExecutionMode m : ExecutionMode.values())
1466	–	for (boolean createIncomplete : new boolean[] { true, false })
1516		{
1517		final CFException ex = new CFException();
1518		final CompletableFuture<Integer> f = new CompletableFuture<>();
1519	<	final NoopConsumer r = new NoopConsumer(m);
1520	<	if (!createIncomplete) f.completeExceptionally(ex);
1472	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1473	<	if (createIncomplete) {
1474	<	checkIncomplete(g);
1475	<	f.completeExceptionally(ex);
1476	<	}
1519	>	final NoopConsumer[] rs = new NoopConsumer[4];
1520	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1521
1522	<	checkCompletedWithWrappedException(g, ex);
1522	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1523	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1524	>	assertTrue(f.completeExceptionally(ex));
1525	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1526	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1527	>
1528	>	checkCompletedWithWrappedException(h0, ex);
1529	>	checkCompletedWithWrappedException(h1, ex);
1530	>	checkCompletedWithWrappedException(h2, ex);
1531	>	checkCompletedWithWrappedException(h3, ex);
1532		checkCompletedExceptionally(f, ex);
1533	<	r.assertNotInvoked();
1533	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1534		}}
1535
1536		/**
#	Line 1485 | Line 1538 | public class CompletableFutureTest exten
1538		*/
1539		public void testThenAccept_sourceCancelled() {
1540		for (ExecutionMode m : ExecutionMode.values())
1488	–	for (boolean createIncomplete : new boolean[] { true, false })
1541		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1542		{
1543		final CompletableFuture<Integer> f = new CompletableFuture<>();
1544	<	final NoopConsumer r = new NoopConsumer(m);
1545	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1494	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1495	<	if (createIncomplete) {
1496	<	checkIncomplete(g);
1497	<	assertTrue(f.cancel(mayInterruptIfRunning));
1498	<	}
1544	>	final NoopConsumer[] rs = new NoopConsumer[4];
1545	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1546
1547	<	checkCompletedWithWrappedCancellationException(g);
1547	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1548	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1549	>	assertTrue(f.cancel(mayInterruptIfRunning));
1550	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1551	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1552	>
1553	>	checkCompletedWithWrappedCancellationException(h0);
1554	>	checkCompletedWithWrappedCancellationException(h1);
1555	>	checkCompletedWithWrappedCancellationException(h2);
1556	>	checkCompletedWithWrappedCancellationException(h3);
1557		checkCancelled(f);
1558	<	r.assertNotInvoked();
1558	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1559		}}
1560
1561		/**
#	Line 1507 | Line 1563 | public class CompletableFutureTest exten
1563		*/
1564		public void testThenAccept_actionFailed() {
1565		for (ExecutionMode m : ExecutionMode.values())
1510	–	for (boolean createIncomplete : new boolean[] { true, false })
1566		for (Integer v1 : new Integer[] { 1, null })
1567		{
1568		final CompletableFuture<Integer> f = new CompletableFuture<>();
1569	<	final FailingConsumer r = new FailingConsumer(m);
1570	<	if (!createIncomplete) f.complete(v1);
1516	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1517	<	if (createIncomplete) {
1518	<	checkIncomplete(g);
1519	<	f.complete(v1);
1520	<	}
1569	>	final FailingConsumer[] rs = new FailingConsumer[4];
1570	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1571
1572	<	checkCompletedWithWrappedCFException(g);
1572	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1573	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1574	>	assertTrue(f.complete(v1));
1575	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1576	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1577	>
1578	>	checkCompletedWithWrappedCFException(h0);
1579	>	checkCompletedWithWrappedCFException(h1);
1580	>	checkCompletedWithWrappedCFException(h2);
1581	>	checkCompletedWithWrappedCFException(h3);
1582		checkCompletedNormally(f, v1);
1583		}}
1584
#	Line 1535 | Line 1594 | public class CompletableFutureTest exten
1594		{
1595		final CompletableFuture<Integer> f = new CompletableFuture<>();
1596		final CompletableFuture<Integer> g = new CompletableFuture<>();
1597	<	final SubtractFunction r1 = new SubtractFunction(m);
1598	<	final SubtractFunction r2 = new SubtractFunction(m);
1540	<	final SubtractFunction r3 = new SubtractFunction(m);
1597	>	final SubtractFunction[] rs = new SubtractFunction[6];
1598	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1599
1600		final CompletableFuture<Integer> fst =  fFirst ? f : g;
1601		final CompletableFuture<Integer> snd = !fFirst ? f : g;
1602		final Integer w1 =  fFirst ? v1 : v2;
1603		final Integer w2 = !fFirst ? v1 : v2;
1604
1605	<	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1605	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1606	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1607		assertTrue(fst.complete(w1));
1608	<	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1609	<	checkIncomplete(h1);
1610	<	checkIncomplete(h2);
1611	<	r1.assertNotInvoked();
1612	<	r2.assertNotInvoked();
1608	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1609	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1610	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1611	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1612	>	checkCompletedNormally(h1, subtract(w1, w1));
1613	>	checkCompletedNormally(h3, subtract(w1, w1));
1614	>	rs[1].assertValue(subtract(w1, w1));
1615	>	rs[3].assertValue(subtract(w1, w1));
1616		assertTrue(snd.complete(w2));
1617	<	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1617	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1618
1619	<	checkCompletedNormally(h1, subtract(v1, v2));
1619	>	checkCompletedNormally(h0, subtract(v1, v2));
1620		checkCompletedNormally(h2, subtract(v1, v2));
1621	<	checkCompletedNormally(h3, subtract(v1, v2));
1622	<	r1.assertValue(subtract(v1, v2));
1623	<	r2.assertValue(subtract(v1, v2));
1624	<	r3.assertValue(subtract(v1, v2));
1621	>	checkCompletedNormally(h4, subtract(v1, v2));
1622	>	rs[0].assertValue(subtract(v1, v2));
1623	>	rs[2].assertValue(subtract(v1, v2));
1624	>	rs[4].assertValue(subtract(v1, v2));
1625	>
1626		checkCompletedNormally(f, v1);
1627		checkCompletedNormally(g, v2);
1628		}}
#	Line 2906 | Line 2969 | public class CompletableFutureTest exten
2969		checkCancelled(f);
2970		}}
2971
2972	+	/**
2973	+	* thenCompose result completes exceptionally if the result of the action does
2974	+	*/
2975	+	public void testThenCompose_actionReturnsFailingFuture() {
2976	+	for (ExecutionMode m : ExecutionMode.values())
2977	+	for (int order = 0; order < 6; order++)
2978	+	for (Integer v1 : new Integer[] { 1, null })
2979	+	{
2980	+	final CFException ex = new CFException();
2981	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
2982	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
2983	+	final CompletableFuture<Integer> h;
2984	+	// Test all permutations of orders
2985	+	switch (order) {
2986	+	case 0:
2987	+	assertTrue(f.complete(v1));
2988	+	assertTrue(g.completeExceptionally(ex));
2989	+	h = m.thenCompose(f, (x -> g));
2990	+	break;
2991	+	case 1:
2992	+	assertTrue(f.complete(v1));
2993	+	h = m.thenCompose(f, (x -> g));
2994	+	assertTrue(g.completeExceptionally(ex));
2995	+	break;
2996	+	case 2:
2997	+	assertTrue(g.completeExceptionally(ex));
2998	+	assertTrue(f.complete(v1));
2999	+	h = m.thenCompose(f, (x -> g));
3000	+	break;
3001	+	case 3:
3002	+	assertTrue(g.completeExceptionally(ex));
3003	+	h = m.thenCompose(f, (x -> g));
3004	+	assertTrue(f.complete(v1));
3005	+	break;
3006	+	case 4:
3007	+	h = m.thenCompose(f, (x -> g));
3008	+	assertTrue(f.complete(v1));
3009	+	assertTrue(g.completeExceptionally(ex));
3010	+	break;
3011	+	case 5:
3012	+	h = m.thenCompose(f, (x -> g));
3013	+	assertTrue(f.complete(v1));
3014	+	assertTrue(g.completeExceptionally(ex));
3015	+	break;
3016	+	default: throw new AssertionError();
3017	+	}
3018	+
3019	+	checkCompletedExceptionally(g, ex);
3020	+	checkCompletedWithWrappedException(h, ex);
3021	+	checkCompletedNormally(f, v1);
3022	+	}}
3023	+
3024		// other static methods
3025
3026		/**
#	Line 2922 | Line 3037 | public class CompletableFutureTest exten
3037		* when all components complete normally
3038		*/
3039		public void testAllOf_normal() throws Exception {
3040	<	for (int k = 1; k < 20; ++k) {
3040	>	for (int k = 1; k < 10; k++) {
3041		CompletableFuture<Integer>[] fs
3042		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3043	<	for (int i = 0; i < k; ++i)
3043	>	for (int i = 0; i < k; i++)
3044		fs[i] = new CompletableFuture<>();
3045		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3046	<	for (int i = 0; i < k; ++i) {
3046	>	for (int i = 0; i < k; i++) {
3047		checkIncomplete(f);
3048		checkIncomplete(CompletableFuture.allOf(fs));
3049		fs[i].complete(one);
#	Line 2939 | Line 3054 | public class CompletableFutureTest exten
3054		}
3055
3056		public void testAllOf_backwards() throws Exception {
3057	<	for (int k = 1; k < 20; ++k) {
3057	>	for (int k = 1; k < 10; k++) {
3058		CompletableFuture<Integer>[] fs
3059		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3060	<	for (int i = 0; i < k; ++i)
3060	>	for (int i = 0; i < k; i++)
3061		fs[i] = new CompletableFuture<>();
3062		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3063		for (int i = k - 1; i >= 0; i--) {
#	Line 2955 | Line 3070 | public class CompletableFutureTest exten
3070		}
3071		}
3072
3073	+	public void testAllOf_exceptional() throws Exception {
3074	+	for (int k = 1; k < 10; k++) {
3075	+	CompletableFuture<Integer>[] fs
3076	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3077	+	CFException ex = new CFException();
3078	+	for (int i = 0; i < k; i++)
3079	+	fs[i] = new CompletableFuture<>();
3080	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3081	+	for (int i = 0; i < k; i++) {
3082	+	checkIncomplete(f);
3083	+	checkIncomplete(CompletableFuture.allOf(fs));
3084	+	if (i != k / 2) {
3085	+	fs[i].complete(i);
3086	+	checkCompletedNormally(fs[i], i);
3087	+	} else {
3088	+	fs[i].completeExceptionally(ex);
3089	+	checkCompletedExceptionally(fs[i], ex);
3090	+	}
3091	+	}
3092	+	checkCompletedWithWrappedException(f, ex);
3093	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3094	+	}
3095	+	}
3096	+
3097		/**
3098		* anyOf(no component futures) returns an incomplete future
3099		*/
3100		public void testAnyOf_empty() throws Exception {
3101	+	for (Integer v1 : new Integer[] { 1, null })
3102	+	{
3103		CompletableFuture<Object> f = CompletableFuture.anyOf();
3104		checkIncomplete(f);
3105	<	}
3105	>
3106	>	f.complete(v1);
3107	>	checkCompletedNormally(f, v1);
3108	>	}}
3109
3110		/**
3111		* anyOf returns a future completed normally with a value when
3112		* a component future does
3113		*/
3114		public void testAnyOf_normal() throws Exception {
3115	<	for (int k = 0; k < 10; ++k) {
3115	>	for (int k = 0; k < 10; k++) {
3116		CompletableFuture[] fs = new CompletableFuture[k];
3117	<	for (int i = 0; i < k; ++i)
3117	>	for (int i = 0; i < k; i++)
3118		fs[i] = new CompletableFuture<>();
3119		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3120		checkIncomplete(f);
3121	<	for (int i = 0; i < k; ++i) {
3122	<	fs[i].complete(one);
3123	<	checkCompletedNormally(f, one);
3124	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3121	>	for (int i = 0; i < k; i++) {
3122	>	fs[i].complete(i);
3123	>	checkCompletedNormally(f, 0);
3124	>	int x = (int) CompletableFuture.anyOf(fs).join();
3125	>	assertTrue(0 <= x && x <= i);
3126	>	}
3127	>	}
3128	>	}
3129	>	public void testAnyOf_normal_backwards() throws Exception {
3130	>	for (int k = 0; k < 10; k++) {
3131	>	CompletableFuture[] fs = new CompletableFuture[k];
3132	>	for (int i = 0; i < k; i++)
3133	>	fs[i] = new CompletableFuture<>();
3134	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3135	>	checkIncomplete(f);
3136	>	for (int i = k - 1; i >= 0; i--) {
3137	>	fs[i].complete(i);
3138	>	checkCompletedNormally(f, k - 1);
3139	>	int x = (int) CompletableFuture.anyOf(fs).join();
3140	>	assertTrue(i <= x && x <= k - 1);
3141		}
3142		}
3143		}
#	Line 2986 | Line 3146 | public class CompletableFutureTest exten
3146		* anyOf result completes exceptionally when any component does.
3147		*/
3148		public void testAnyOf_exceptional() throws Exception {
3149	<	for (int k = 0; k < 10; ++k) {
3149	>	for (int k = 0; k < 10; k++) {
3150		CompletableFuture[] fs = new CompletableFuture[k];
3151	<	for (int i = 0; i < k; ++i)
3151	>	CFException[] exs = new CFException[k];
3152	>	for (int i = 0; i < k; i++) {
3153		fs[i] = new CompletableFuture<>();
3154	+	exs[i] = new CFException();
3155	+	}
3156		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3157		checkIncomplete(f);
3158	<	for (int i = 0; i < k; ++i) {
3159	<	fs[i].completeExceptionally(new CFException());
3160	<	checkCompletedWithWrappedCFException(f);
3158	>	for (int i = 0; i < k; i++) {
3159	>	fs[i].completeExceptionally(exs[i]);
3160	>	checkCompletedWithWrappedException(f, exs[0]);
3161	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3162	>	}
3163	>	}
3164	>	}
3165	>
3166	>	public void testAnyOf_exceptional_backwards() throws Exception {
3167	>	for (int k = 0; k < 10; k++) {
3168	>	CompletableFuture[] fs = new CompletableFuture[k];
3169	>	CFException[] exs = new CFException[k];
3170	>	for (int i = 0; i < k; i++) {
3171	>	fs[i] = new CompletableFuture<>();
3172	>	exs[i] = new CFException();
3173	>	}
3174	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3175	>	checkIncomplete(f);
3176	>	for (int i = k - 1; i >= 0; i--) {
3177	>	fs[i].completeExceptionally(exs[i]);
3178	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3179		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3180		}
3181		}
#	Line 3007 | Line 3188 | public class CompletableFutureTest exten
3188		CompletableFuture<Integer> f = new CompletableFuture<>();
3189		CompletableFuture<Integer> g = new CompletableFuture<>();
3190		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3010	–	CompletableFuture<?> h;
3191		ThreadExecutor exec = new ThreadExecutor();
3192
3193		Runnable[] throwingActions = {
3194		() -> CompletableFuture.supplyAsync(null),
3195		() -> CompletableFuture.supplyAsync(null, exec),
3196	<	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
3196	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3197
3198		() -> CompletableFuture.runAsync(null),
3199		() -> CompletableFuture.runAsync(null, exec),
#	Line 3104 | Line 3284 | public class CompletableFutureTest exten
3284		() -> CompletableFuture.anyOf(null, f),
3285
3286		() -> f.obtrudeException(null),
3287	+
3288	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3289	+	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3290	+	() -> CompletableFuture.delayedExecutor(1L, null),
3291	+
3292	+	() -> f.orTimeout(1L, null),
3293	+	() -> f.completeOnTimeout(42, 1L, null),
3294	+
3295	+	() -> CompletableFuture.failedFuture(null),
3296	+	() -> CompletableFuture.failedStage(null),
3297		};
3298
3299		assertThrows(NullPointerException.class, throwingActions);
#	Line 3118 | Line 3308 | public class CompletableFutureTest exten
3308		assertSame(f, f.toCompletableFuture());
3309		}
3310
3311	+	// jdk9
3312	+
3313	+	/**
3314	+	* newIncompleteFuture returns an incomplete CompletableFuture
3315	+	*/
3316	+	public void testNewIncompleteFuture() {
3317	+	for (Integer v1 : new Integer[] { 1, null })
3318	+	{
3319	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3320	+	CompletableFuture<Integer> g = f.newIncompleteFuture();
3321	+	checkIncomplete(f);
3322	+	checkIncomplete(g);
3323	+	f.complete(v1);
3324	+	checkCompletedNormally(f, v1);
3325	+	checkIncomplete(g);
3326	+	g.complete(v1);
3327	+	checkCompletedNormally(g, v1);
3328	+	assertSame(g.getClass(), CompletableFuture.class);
3329	+	}}
3330	+
3331	+	/**
3332	+	* completedStage returns a completed CompletionStage
3333	+	*/
3334	+	public void testCompletedStage() {
3335	+	AtomicInteger x = new AtomicInteger(0);
3336	+	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3337	+	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3338	+	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3339	+	assertEquals(x.get(), 1);
3340	+	assertNull(r.get());
3341	+	}
3342	+
3343	+	/**
3344	+	* defaultExecutor by default returns the commonPool if
3345	+	* it supports more than one thread.
3346	+	*/
3347	+	public void testDefaultExecutor() {
3348	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3349	+	Executor e = f.defaultExecutor();
3350	+	Executor c = ForkJoinPool.commonPool();
3351	+	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3352	+	assertSame(e, c);
3353	+	else
3354	+	assertNotSame(e, c);
3355	+	}
3356	+
3357	+	/**
3358	+	* failedFuture returns a CompletableFuture completed
3359	+	* exceptionally with the given Exception
3360	+	*/
3361	+	public void testFailedFuture() {
3362	+	CFException ex = new CFException();
3363	+	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3364	+	checkCompletedExceptionally(f, ex);
3365	+	}
3366	+
3367	+	/**
3368	+	* failedFuture(null) throws NPE
3369	+	*/
3370	+	public void testFailedFuture_null() {
3371	+	try {
3372	+	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3373	+	shouldThrow();
3374	+	} catch (NullPointerException success) {}
3375	+	}
3376	+
3377	+	/**
3378	+	* copy returns a CompletableFuture that is completed normally,
3379	+	* with the same value, when source is.
3380	+	*/
3381	+	public void testCopy() {
3382	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3383	+	CompletableFuture<Integer> g = f.copy();
3384	+	checkIncomplete(f);
3385	+	checkIncomplete(g);
3386	+	f.complete(1);
3387	+	checkCompletedNormally(f, 1);
3388	+	checkCompletedNormally(g, 1);
3389	+	}
3390	+
3391	+	/**
3392	+	* copy returns a CompletableFuture that is completed exceptionally
3393	+	* when source is.
3394	+	*/
3395	+	public void testCopy2() {
3396	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3397	+	CompletableFuture<Integer> g = f.copy();
3398	+	checkIncomplete(f);
3399	+	checkIncomplete(g);
3400	+	CFException ex = new CFException();
3401	+	f.completeExceptionally(ex);
3402	+	checkCompletedExceptionally(f, ex);
3403	+	checkCompletedWithWrappedException(g, ex);
3404	+	}
3405	+
3406	+	/**
3407	+	* minimalCompletionStage returns a CompletableFuture that is
3408	+	* completed normally, with the same value, when source is.
3409	+	*/
3410	+	public void testMinimalCompletionStage() {
3411	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3412	+	CompletionStage<Integer> g = f.minimalCompletionStage();
3413	+	AtomicInteger x = new AtomicInteger(0);
3414	+	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3415	+	checkIncomplete(f);
3416	+	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3417	+	f.complete(1);
3418	+	checkCompletedNormally(f, 1);
3419	+	assertEquals(x.get(), 1);
3420	+	assertNull(r.get());
3421	+	}
3422	+
3423	+	/**
3424	+	* minimalCompletionStage returns a CompletableFuture that is
3425	+	* completed exceptionally when source is.
3426	+	*/
3427	+	public void testMinimalCompletionStage2() {
3428	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3429	+	CompletionStage<Integer> g = f.minimalCompletionStage();
3430	+	AtomicInteger x = new AtomicInteger(0);
3431	+	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3432	+	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3433	+	checkIncomplete(f);
3434	+	CFException ex = new CFException();
3435	+	f.completeExceptionally(ex);
3436	+	checkCompletedExceptionally(f, ex);
3437	+	assertEquals(x.get(), 0);
3438	+	assertEquals(r.get().getCause(), ex);
3439	+	}
3440	+
3441	+	/**
3442	+	* failedStage returns a CompletionStage completed
3443	+	* exceptionally with the given Exception
3444	+	*/
3445	+	public void testFailedStage() {
3446	+	CFException ex = new CFException();
3447	+	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3448	+	AtomicInteger x = new AtomicInteger(0);
3449	+	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3450	+	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3451	+	assertEquals(x.get(), 0);
3452	+	assertEquals(r.get(), ex);
3453	+	}
3454	+
3455	+	/**
3456	+	* completeAsync completes with value of given supplier
3457	+	*/
3458	+	public void testCompleteAsync() {
3459	+	for (Integer v1 : new Integer[] { 1, null })
3460	+	{
3461	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3462	+	f.completeAsync(() -> v1);
3463	+	f.join();
3464	+	checkCompletedNormally(f, v1);
3465	+	}}
3466	+
3467	+	/**
3468	+	* completeAsync completes exceptionally if given supplier throws
3469	+	*/
3470	+	public void testCompleteAsync2() {
3471	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3472	+	CFException ex = new CFException();
3473	+	f.completeAsync(() -> {if (true) throw ex; return 1;});
3474	+	try {
3475	+	f.join();
3476	+	shouldThrow();
3477	+	} catch (CompletionException success) {}
3478	+	checkCompletedWithWrappedException(f, ex);
3479	+	}
3480	+
3481	+	/**
3482	+	* completeAsync with given executor completes with value of given supplier
3483	+	*/
3484	+	public void testCompleteAsync3() {
3485	+	for (Integer v1 : new Integer[] { 1, null })
3486	+	{
3487	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3488	+	ThreadExecutor executor = new ThreadExecutor();
3489	+	f.completeAsync(() -> v1, executor);
3490	+	assertSame(v1, f.join());
3491	+	checkCompletedNormally(f, v1);
3492	+	assertEquals(1, executor.count.get());
3493	+	}}
3494	+
3495	+	/**
3496	+	* completeAsync with given executor completes exceptionally if
3497	+	* given supplier throws
3498	+	*/
3499	+	public void testCompleteAsync4() {
3500	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3501	+	CFException ex = new CFException();
3502	+	ThreadExecutor executor = new ThreadExecutor();
3503	+	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3504	+	try {
3505	+	f.join();
3506	+	shouldThrow();
3507	+	} catch (CompletionException success) {}
3508	+	checkCompletedWithWrappedException(f, ex);
3509	+	assertEquals(1, executor.count.get());
3510	+	}
3511	+
3512	+	/**
3513	+	* orTimeout completes with TimeoutException if not complete
3514	+	*/
3515	+	public void testOrTimeout_timesOut() {
3516	+	long timeoutMillis = timeoutMillis();
3517	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3518	+	long startTime = System.nanoTime();
3519	+	f.orTimeout(timeoutMillis, MILLISECONDS);
3520	+	checkCompletedWithTimeoutException(f);
3521	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3522	+	}
3523	+
3524	+	/**
3525	+	* orTimeout completes normally if completed before timeout
3526	+	*/
3527	+	public void testOrTimeout_completed() {
3528	+	for (Integer v1 : new Integer[] { 1, null })
3529	+	{
3530	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3531	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3532	+	long startTime = System.nanoTime();
3533	+	f.complete(v1);
3534	+	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3535	+	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3536	+	g.complete(v1);
3537	+	checkCompletedNormally(f, v1);
3538	+	checkCompletedNormally(g, v1);
3539	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3540	+	}}
3541	+
3542	+	/**
3543	+	* completeOnTimeout completes with given value if not complete
3544	+	*/
3545	+	public void testCompleteOnTimeout_timesOut() {
3546	+	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3547	+	() -> testCompleteOnTimeout_timesOut(null));
3548	+	}
3549	+
3550	+	public void testCompleteOnTimeout_timesOut(Integer v) {
3551	+	long timeoutMillis = timeoutMillis();
3552	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3553	+	long startTime = System.nanoTime();
3554	+	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3555	+	assertSame(v, f.join());
3556	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3557	+	f.complete(99);         // should have no effect
3558	+	checkCompletedNormally(f, v);
3559	+	}
3560	+
3561	+	/**
3562	+	* completeOnTimeout has no effect if completed within timeout
3563	+	*/
3564	+	public void testCompleteOnTimeout_completed() {
3565	+	for (Integer v1 : new Integer[] { 1, null })
3566	+	{
3567	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3568	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3569	+	long startTime = System.nanoTime();
3570	+	f.complete(v1);
3571	+	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3572	+	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3573	+	g.complete(v1);
3574	+	checkCompletedNormally(f, v1);
3575	+	checkCompletedNormally(g, v1);
3576	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3577	+	}}
3578	+
3579	+	/**
3580	+	* delayedExecutor returns an executor that delays submission
3581	+	*/
3582	+	public void testDelayedExecutor() {
3583	+	testInParallel(() -> testDelayedExecutor(null, null),
3584	+	() -> testDelayedExecutor(null, 1),
3585	+	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3586	+	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3587	+	}
3588	+
3589	+	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3590	+	long timeoutMillis = timeoutMillis();
3591	+	// Use an "unreasonably long" long timeout to catch lingering threads
3592	+	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3593	+	final Executor delayer, longDelayer;
3594	+	if (executor == null) {
3595	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3596	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3597	+	} else {
3598	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3599	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3600	+	}
3601	+	long startTime = System.nanoTime();
3602	+	CompletableFuture<Integer> f =
3603	+	CompletableFuture.supplyAsync(() -> v, delayer);
3604	+	CompletableFuture<Integer> g =
3605	+	CompletableFuture.supplyAsync(() -> v, longDelayer);
3606	+
3607	+	assertNull(g.getNow(null));
3608	+
3609	+	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3610	+	long millisElapsed = millisElapsedSince(startTime);
3611	+	assertTrue(millisElapsed >= timeoutMillis);
3612	+	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3613	+
3614	+	checkCompletedNormally(f, v);
3615	+
3616	+	checkIncomplete(g);
3617	+	assertTrue(g.cancel(true));
3618	+	}
3619	+
3620		//--- tests of implementation details; not part of official tck ---
3621
3622		Object resultOf(CompletableFuture<?> f) {
#	Line 3133 | Line 3632 | public class CompletableFutureTest exten
3632		if (!testImplementationDetails) return;
3633		for (ExecutionMode m : ExecutionMode.values())
3634		{
3635	<	final CompletableFuture<Void> f = new CompletableFuture<>();
3636	<	CFException ex = new CFException();
3637	<	f.completeExceptionally(ex);
3638	<	final CompletableFuture<Void> g = f.thenRun(new Noop(m));
3639	<	checkCompletedWithWrappedException(g, ex);
3640	<	final CompletableFuture<Void> h = g.thenRun(new Noop(m));
3641	<	checkCompletedWithWrappedException(h, ex);
3642	<	assertSame(resultOf(g), resultOf(h));
3635	>	final CFException ex = new CFException();
3636	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3637	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3638	>
3639	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3640	>	= new ArrayList<>();
3641	>
3642	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3643	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3644	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3645	>
3646	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3647	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3648	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3649	>
3650	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3651	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3652	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3653	>
3654	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3655	>
3656	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3657	>
3658	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3659	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3660	>
3661	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3662	>	fun : funs) {
3663	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3664	>	f.completeExceptionally(ex);
3665	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3666	>	checkCompletedWithWrappedException(src, ex);
3667	>	CompletableFuture<?> dep = fun.apply(src);
3668	>	checkCompletedWithWrappedException(dep, ex);
3669	>	assertSame(resultOf(src), resultOf(dep));
3670	>	}
3671	>
3672	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3673	>	fun : funs) {
3674	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3675	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3676	>	CompletableFuture<?> dep = fun.apply(src);
3677	>	f.completeExceptionally(ex);
3678	>	checkCompletedWithWrappedException(src, ex);
3679	>	checkCompletedWithWrappedException(dep, ex);
3680	>	assertSame(resultOf(src), resultOf(dep));
3681	>	}
3682	>
3683	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3684	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3685	>	fun : funs) {
3686	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3687	>	f.cancel(mayInterruptIfRunning);
3688	>	checkCancelled(f);
3689	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3690	>	checkCompletedWithWrappedCancellationException(src);
3691	>	CompletableFuture<?> dep = fun.apply(src);
3692	>	checkCompletedWithWrappedCancellationException(dep);
3693	>	assertSame(resultOf(src), resultOf(dep));
3694	>	}
3695	>
3696	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3697	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3698	>	fun : funs) {
3699	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3700	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3701	>	CompletableFuture<?> dep = fun.apply(src);
3702	>	f.cancel(mayInterruptIfRunning);
3703	>	checkCancelled(f);
3704	>	checkCompletedWithWrappedCancellationException(src);
3705	>	checkCompletedWithWrappedCancellationException(dep);
3706	>	assertSame(resultOf(src), resultOf(dep));
3707	>	}
3708		}}
3709
3710	<	//     public void testRunAfterEither_resultDeterminedAtTimeOfCreation() {
3711	<	//         for (ExecutionMode m : ExecutionMode.values())
3712	<	//         for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3713	<	//         for (Integer v1 : new Integer[] { 1, null })
3714	<	//     {
3715	<	//         final CompletableFuture<Integer> f = new CompletableFuture<>();
3716	<	//         final CompletableFuture<Integer> g = new CompletableFuture<>();
3717	<	//         final Noop[] rs = new Noop[2];
3718	<	//         for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
3719	<	//         f.complete(v1);
3720	<	//         final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
3721	<	//         final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
3722	<	//         assertTrue(g.cancel(mayInterruptIfRunning));
3723	<	//         checkCompletedNormally(h0, null);
3724	<	//         checkCompletedNormally(h1, null);
3725	<	//         for (Noop r : rs) r.assertInvoked();
3726	<	//     }}
3710	>	/**
3711	>	* Minimal completion stages throw UOE for all non-CompletionStage methods
3712	>	*/
3713	>	public void testMinimalCompletionStage_minimality() {
3714	>	if (!testImplementationDetails) return;
3715	>	Function<Method, String> toSignature =
3716	>	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3717	>	Predicate<Method> isNotStatic =
3718	>	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3719	>	List<Method> minimalMethods =
3720	>	Stream.of(Object.class, CompletionStage.class)
3721	>	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3722	>	.filter(isNotStatic)
3723	>	.collect(Collectors.toList());
3724	>	// Methods from CompletableFuture permitted NOT to throw UOE
3725	>	String[] signatureWhitelist = {
3726	>	"newIncompleteFuture[]",
3727	>	"defaultExecutor[]",
3728	>	"minimalCompletionStage[]",
3729	>	"copy[]",
3730	>	};
3731	>	Set<String> permittedMethodSignatures =
3732	>	Stream.concat(minimalMethods.stream().map(toSignature),
3733	>	Stream.of(signatureWhitelist))
3734	>	.collect(Collectors.toSet());
3735	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3736	>	.filter(isNotStatic)
3737	>	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3738	>	.collect(Collectors.toList());
3739	>
3740	>	CompletionStage<Integer> minimalStage =
3741	>	new CompletableFuture<Integer>().minimalCompletionStage();
3742	>
3743	>	List<Method> bugs = new ArrayList<>();
3744	>	for (Method method : allMethods) {
3745	>	Class<?>[] parameterTypes = method.getParameterTypes();
3746	>	Object[] args = new Object[parameterTypes.length];
3747	>	// Manufacture boxed primitives for primitive params
3748	>	for (int i = 0; i < args.length; i++) {
3749	>	Class<?> type = parameterTypes[i];
3750	>	if (parameterTypes[i] == boolean.class)
3751	>	args[i] = false;
3752	>	else if (parameterTypes[i] == int.class)
3753	>	args[i] = 0;
3754	>	else if (parameterTypes[i] == long.class)
3755	>	args[i] = 0L;
3756	>	}
3757	>	try {
3758	>	method.invoke(minimalStage, args);
3759	>	bugs.add(method);
3760	>	}
3761	>	catch (java.lang.reflect.InvocationTargetException expected) {
3762	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3763	>	bugs.add(method);
3764	>	// expected.getCause().printStackTrace();
3765	>	}
3766	>	}
3767	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3768	>	}
3769	>	if (!bugs.isEmpty())
3770	>	throw new Error("Methods did not throw UOE: " + bugs.toString());
3771	>	}
3772	>
3773	>	static class Monad {
3774	>	static class ZeroException extends RuntimeException {
3775	>	public ZeroException() { super("monadic zero"); }
3776	>	}
3777	>	// "return", "unit"
3778	>	static <T> CompletableFuture<T> unit(T value) {
3779	>	return completedFuture(value);
3780	>	}
3781	>	// monadic zero ?
3782	>	static <T> CompletableFuture<T> zero() {
3783	>	return failedFuture(new ZeroException());
3784	>	}
3785	>	// >=>
3786	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
3787	>	(Function<T, CompletableFuture<U>> f,
3788	>	Function<U, CompletableFuture<V>> g) {
3789	>	return (x) -> f.apply(x).thenCompose(g);
3790	>	}
3791	>
3792	>	static void assertZero(CompletableFuture<?> f) {
3793	>	try {
3794	>	f.getNow(null);
3795	>	throw new AssertionFailedError("should throw");
3796	>	} catch (CompletionException success) {
3797	>	assertTrue(success.getCause() instanceof ZeroException);
3798	>	}
3799	>	}
3800	>
3801	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
3802	>	CompletableFuture<T> g) {
3803	>	T fval = null, gval = null;
3804	>	Throwable fex = null, gex = null;
3805	>
3806	>	try { fval = f.get(); }
3807	>	catch (ExecutionException ex) { fex = ex.getCause(); }
3808	>	catch (Throwable ex) { fex = ex; }
3809	>
3810	>	try { gval = g.get(); }
3811	>	catch (ExecutionException ex) { gex = ex.getCause(); }
3812	>	catch (Throwable ex) { gex = ex; }
3813	>
3814	>	if (fex != null || gex != null)
3815	>	assertSame(fex.getClass(), gex.getClass());
3816	>	else
3817	>	assertEquals(fval, gval);
3818	>	}
3819	>
3820	>	static class PlusFuture<T> extends CompletableFuture<T> {
3821	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3822	>	}
3823	>
3824	>	// Monadic "plus"
3825	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3826	>	CompletableFuture<? extends T> g) {
3827	>	PlusFuture<T> plus = new PlusFuture<T>();
3828	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3829	>	if (ex == null) {
3830	>	if (plus.complete(result))
3831	>	if (plus.firstFailure.get() != null)
3832	>	plus.firstFailure.set(null);
3833	>	}
3834	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
3835	>	if (plus.isDone())
3836	>	plus.firstFailure.set(null);
3837	>	}
3838	>	else {
3839	>	// first failure has precedence
3840	>	Throwable first = plus.firstFailure.getAndSet(null);
3841	>
3842	>	// may fail with "Self-suppression not permitted"
3843	>	try { first.addSuppressed(ex); }
3844	>	catch (Exception ignored) {}
3845	>
3846	>	plus.completeExceptionally(first);
3847	>	}
3848	>	};
3849	>	f.whenComplete(action);
3850	>	g.whenComplete(action);
3851	>	return plus;
3852	>	}
3853	>	}
3854	>
3855	>	/**
3856	>	* CompletableFuture is an additive monad - sort of.
3857	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3858	>	*/
3859	>	public void testAdditiveMonad() throws Throwable {
3860	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3861	>	CompletableFuture<Long> zero = Monad.zero();
3862	>
3863	>	// Some mutually non-commutative functions
3864	>	Function<Long, CompletableFuture<Long>> triple
3865	>	= (x) -> Monad.unit(3 * x);
3866	>	Function<Long, CompletableFuture<Long>> inc
3867	>	= (x) -> Monad.unit(x + 1);
3868	>
3869	>	// unit is a right identity: m >>= unit === m
3870	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3871	>	inc.apply(5L));
3872	>	// unit is a left identity: (unit x) >>= f === f x
3873	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3874	>	inc.apply(5L));
3875	>
3876	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3877	>	Monad.assertFutureEquals(
3878	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3879	>	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3880	>
3881	>	// The case for CompletableFuture as an additive monad is weaker...
3882	>
3883	>	// zero is a monadic zero
3884	>	Monad.assertZero(zero);
3885	>
3886	>	// left zero: zero >>= f === zero
3887	>	Monad.assertZero(zero.thenCompose(inc));
3888	>	// right zero: f >>= (\x -> zero) === zero
3889	>	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3890	>
3891	>	// f plus zero === f
3892	>	Monad.assertFutureEquals(Monad.unit(5L),
3893	>	Monad.plus(Monad.unit(5L), zero));
3894	>	// zero plus f === f
3895	>	Monad.assertFutureEquals(Monad.unit(5L),
3896	>	Monad.plus(zero, Monad.unit(5L)));
3897	>	// zero plus zero === zero
3898	>	Monad.assertZero(Monad.plus(zero, zero));
3899	>	{
3900	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3901	>	Monad.unit(8L));
3902	>	// non-determinism
3903	>	assertTrue(f.get() == 5L || f.get() == 8L);
3904	>	}
3905	>
3906	>	CompletableFuture<Long> godot = new CompletableFuture<>();
3907	>	// f plus godot === f (doesn't wait for godot)
3908	>	Monad.assertFutureEquals(Monad.unit(5L),
3909	>	Monad.plus(Monad.unit(5L), godot));
3910	>	// godot plus f === f (doesn't wait for godot)
3911	>	Monad.assertFutureEquals(Monad.unit(5L),
3912	>	Monad.plus(godot, Monad.unit(5L)));
3913	>	}
3914	>
3915	>	//     static <U> U join(CompletionStage<U> stage) {
3916	>	//         CompletableFuture<U> f = new CompletableFuture<>();
3917	>	//         stage.whenComplete((v, ex) -> {
3918	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3919	>	//         });
3920	>	//         return f.join();
3921	>	//     }
3922	>
3923	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
3924	>	//         CompletableFuture<U> f = new CompletableFuture<>();
3925	>	//         stage.whenComplete((v, ex) -> {
3926	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3927	>	//         });
3928	>	//         return f.isDone();
3929	>	//     }
3930	>
3931	>	//     static <U> U join2(CompletionStage<U> stage) {
3932	>	//         return stage.toCompletableFuture().copy().join();
3933	>	//     }
3934	>
3935	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3936	>	//         return stage.toCompletableFuture().copy().isDone();
3937	>	//     }
3938
3939		}

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