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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.75 by jsr166, Sat Jun 7 21:14:42 2014 UTC vs.
Revision 1.132 by jsr166, Sun Nov 15 19:37:48 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 227 | Line 214 | public class CompletableFutureTest exten
214		* isCancelled, join, get, and getNow
215		*/
216		public void testComplete() {
217	+	for (Integer v1 : new Integer[] { 1, null })
218	+	{
219		CompletableFuture<Integer> f = new CompletableFuture<>();
220		checkIncomplete(f);
221	<	f.complete(one);
222	<	checkCompletedNormally(f, one);
223	<	}
221	>	assertTrue(f.complete(v1));
222	>	assertFalse(f.complete(v1));
223	>	checkCompletedNormally(f, v1);
224	>	}}
225
226		/**
227		* completeExceptionally completes exceptionally, as indicated by
#	Line 250 | Line 240 | public class CompletableFutureTest exten
240		* methods isDone, isCancelled, join, get, and getNow
241		*/
242		public void testCancel() {
243	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
244	+	{
245		CompletableFuture<Integer> f = new CompletableFuture<>();
246		checkIncomplete(f);
247	<	assertTrue(f.cancel(true));
247	>	assertTrue(f.cancel(mayInterruptIfRunning));
248	>	assertTrue(f.cancel(mayInterruptIfRunning));
249	>	assertTrue(f.cancel(!mayInterruptIfRunning));
250		checkCancelled(f);
251	<	}
251	>	}}
252
253		/**
254		* obtrudeValue forces completion with given value
#	Line 262 | Line 256 | public class CompletableFutureTest exten
256		public void testObtrudeValue() {
257		CompletableFuture<Integer> f = new CompletableFuture<>();
258		checkIncomplete(f);
259	<	f.complete(one);
259	>	assertTrue(f.complete(one));
260		checkCompletedNormally(f, one);
261		f.obtrudeValue(three);
262		checkCompletedNormally(f, three);
#	Line 289 | Line 283 | public class CompletableFutureTest exten
283		CompletableFuture<Integer> f;
284
285		f = new CompletableFuture<>();
286	<	f.complete(v1);
286	>	assertTrue(f.complete(v1));
287		for (int i = 0; i < 2; i++) {
288		f.obtrudeException(ex = new CFException());
289		checkCompletedExceptionally(f, ex);
#	Line 309 | Line 303 | public class CompletableFutureTest exten
303		checkCompletedExceptionally(f, ex);
304		f.completeExceptionally(new CFException());
305		checkCompletedExceptionally(f, ex);
306	<	f.complete(v1);
306	>	assertFalse(f.complete(v1));
307		checkCompletedExceptionally(f, ex);
308		}}
309
#	Line 317 | Line 311 | public class CompletableFutureTest exten
311		* getNumberOfDependents returns number of dependent tasks
312		*/
313		public void testGetNumberOfDependents() {
314	+	for (ExecutionMode m : ExecutionMode.values())
315	+	for (Integer v1 : new Integer[] { 1, null })
316	+	{
317		CompletableFuture<Integer> f = new CompletableFuture<>();
318		assertEquals(0, f.getNumberOfDependents());
319	<	CompletableFuture g = f.thenRun(new Noop(ExecutionMode.DEFAULT));
319	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
320		assertEquals(1, f.getNumberOfDependents());
321		assertEquals(0, g.getNumberOfDependents());
322	<	CompletableFuture h = f.thenRun(new Noop(ExecutionMode.DEFAULT));
322	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
323		assertEquals(2, f.getNumberOfDependents());
324	<	f.complete(1);
324	>	assertEquals(0, h.getNumberOfDependents());
325	>	assertTrue(f.complete(v1));
326		checkCompletedNormally(g, null);
327	+	checkCompletedNormally(h, null);
328		assertEquals(0, f.getNumberOfDependents());
329		assertEquals(0, g.getNumberOfDependents());
330	<	}
330	>	assertEquals(0, h.getNumberOfDependents());
331	>	}}
332
333		/**
334		* toString indicates current completion state
#	Line 339 | Line 339 | public class CompletableFutureTest exten
339		f = new CompletableFuture<String>();
340		assertTrue(f.toString().contains("[Not completed]"));
341
342	<	f.complete("foo");
342	>	assertTrue(f.complete("foo"));
343		assertTrue(f.toString().contains("[Completed normally]"));
344
345		f = new CompletableFuture<String>();
346	<	f.completeExceptionally(new IndexOutOfBoundsException());
347	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
348	<
349	<	f = new CompletableFuture<String>();
350	<	f.cancel(true);
346	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
347		assertTrue(f.toString().contains("[Completed exceptionally]"));
348
349	<	f = new CompletableFuture<String>();
350	<	f.cancel(false);
351	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
349	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
350	>	f = new CompletableFuture<String>();
351	>	assertTrue(f.cancel(mayInterruptIfRunning));
352	>	assertTrue(f.toString().contains("[Completed exceptionally]"));
353	>	}
354		}
355
356		/**
#	Line 520 | Line 518 | public class CompletableFutureTest exten
518		}
519		}
520
523	–
521		class CompletableFutureInc extends CheckedIntegerAction
522		implements Function<Integer, CompletableFuture<Integer>>
523		{
#	Line 529 | Line 526 | public class CompletableFutureTest exten
526		invoked();
527		value = x;
528		CompletableFuture<Integer> f = new CompletableFuture<>();
529	<	f.complete(inc(x));
529	>	assertTrue(f.complete(inc(x)));
530		return f;
531		}
532		}
#	Line 559 | 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 640 | 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 837 | Line 837 | public class CompletableFutureTest exten
837		{
838		final AtomicInteger a = new AtomicInteger(0);
839		final CompletableFuture<Integer> f = new CompletableFuture<>();
840	<	if (!createIncomplete) f.complete(v1);
840	>	if (!createIncomplete) assertTrue(f.complete(v1));
841		final CompletableFuture<Integer> g = f.exceptionally
842		((Throwable t) -> {
843	–	// 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) f.complete(v1);
847	>	if (createIncomplete) assertTrue(f.complete(v1));
848
849		checkCompletedNormally(g, v1);
850		checkCompletedNormally(f, v1);
#	Line 865 | 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 878 | Line 878 | public class CompletableFutureTest exten
878
879		public void testExceptionally_exceptionalCompletionActionFailed() {
880		for (boolean createIncomplete : new boolean[] { true, false })
881	–	for (Integer v1 : new Integer[] { 1, null })
881		{
882		final AtomicInteger a = new AtomicInteger(0);
883		final CFException ex1 = new CFException();
#	Line 887 | 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 902 | 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 })
908		{
909		final AtomicInteger a = new AtomicInteger(0);
910		final CompletableFuture<Integer> f = new CompletableFuture<>();
911	<	if (!createIncomplete) f.complete(v1);
911	>	if (!createIncomplete) assertTrue(f.complete(v1));
912		final CompletableFuture<Integer> g = m.whenComplete
913		(f,
914		(Integer x, Throwable t) -> {
#	Line 918 | Line 917 | public class CompletableFutureTest exten
917		threadAssertNull(t);
918		a.getAndIncrement();
919		});
920	<	if (createIncomplete) f.complete(v1);
920	>	if (createIncomplete) assertTrue(f.complete(v1));
921
922		checkCompletedNormally(g, v1);
923		checkCompletedNormally(f, v1);
#	Line 932 | 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 })
935	–	for (Integer v1 : new Integer[] { 1, null })
934		{
935		final AtomicInteger a = new AtomicInteger(0);
936		final CFException ex = new CFException();
#	Line 984 | 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 992 | Line 990 | public class CompletableFutureTest exten
990		final AtomicInteger a = new AtomicInteger(0);
991		final CFException ex = new CFException();
992		final CompletableFuture<Integer> f = new CompletableFuture<>();
993	<	if (!createIncomplete) f.complete(v1);
993	>	if (!createIncomplete) assertTrue(f.complete(v1));
994		final CompletableFuture<Integer> g = m.whenComplete
995		(f,
996		(Integer x, Throwable t) -> {
#	Line 1002 | Line 1000 | public class CompletableFutureTest exten
1000		a.getAndIncrement();
1001		throw ex;
1002		});
1003	<	if (createIncomplete) f.complete(v1);
1003	>	if (createIncomplete) assertTrue(f.complete(v1));
1004
1005		checkCompletedWithWrappedException(g, ex);
1006		checkCompletedNormally(f, v1);
#	Line 1017 | Line 1015 | public class CompletableFutureTest exten
1015		public void testWhenComplete_actionFailedSourceFailed() {
1016		for (boolean createIncomplete : new boolean[] { true, false })
1017		for (ExecutionMode m : ExecutionMode.values())
1020	–	for (Integer v1 : new Integer[] { 1, null })
1018		{
1019		final AtomicInteger a = new AtomicInteger(0);
1020		final CFException ex1 = new CFException();
#	Line 1052 | Line 1049 | public class CompletableFutureTest exten
1049		{
1050		final CompletableFuture<Integer> f = new CompletableFuture<>();
1051		final AtomicInteger a = new AtomicInteger(0);
1052	<	if (!createIncomplete) f.complete(v1);
1052	>	if (!createIncomplete) assertTrue(f.complete(v1));
1053		final CompletableFuture<Integer> g = m.handle
1054		(f,
1055		(Integer x, Throwable t) -> {
#	Line 1062 | Line 1059 | public class CompletableFutureTest exten
1059		a.getAndIncrement();
1060		return inc(v1);
1061		});
1062	<	if (createIncomplete) f.complete(v1);
1062	>	if (createIncomplete) assertTrue(f.complete(v1));
1063
1064		checkCompletedNormally(g, inc(v1));
1065		checkCompletedNormally(f, v1);
#	Line 1163 | Line 1160 | public class CompletableFutureTest exten
1160		final CompletableFuture<Integer> f = new CompletableFuture<>();
1161		final AtomicInteger a = new AtomicInteger(0);
1162		final CFException ex = new CFException();
1163	<	if (!createIncomplete) f.complete(v1);
1163	>	if (!createIncomplete) assertTrue(f.complete(v1));
1164		final CompletableFuture<Integer> g = m.handle
1165		(f,
1166		(Integer x, Throwable t) -> {
#	Line 1173 | Line 1170 | public class CompletableFutureTest exten
1170		a.getAndIncrement();
1171		throw ex;
1172		});
1173	<	if (createIncomplete) f.complete(v1);
1173	>	if (createIncomplete) assertTrue(f.complete(v1));
1174
1175		checkCompletedWithWrappedException(g, ex);
1176		checkCompletedNormally(f, v1);
#	Line 1254 | Line 1251 | public class CompletableFutureTest exten
1251		*/
1252		public void testThenRun_normalCompletion() {
1253		for (ExecutionMode m : ExecutionMode.values())
1257	–	for (boolean createIncomplete : new boolean[] { true, false })
1254		for (Integer v1 : new Integer[] { 1, null })
1255		{
1256		final CompletableFuture<Integer> f = new CompletableFuture<>();
1257	<	final Noop r = new Noop(m);
1258	<	if (!createIncomplete) f.complete(v1);
1263	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1264	<	if (createIncomplete) {
1265	<	checkIncomplete(g);
1266	<	f.complete(v1);
1267	<	}
1257	>	final Noop[] rs = new Noop[6];
1258	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1259
1260	<	checkCompletedNormally(g, null);
1260	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1261	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1262	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1263	>	checkIncomplete(h0);
1264	>	checkIncomplete(h1);
1265	>	checkIncomplete(h2);
1266	>	assertTrue(f.complete(v1));
1267	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1268	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1269	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1270	>
1271	>	checkCompletedNormally(h0, null);
1272	>	checkCompletedNormally(h1, null);
1273	>	checkCompletedNormally(h2, null);
1274	>	checkCompletedNormally(h3, null);
1275	>	checkCompletedNormally(h4, null);
1276	>	checkCompletedNormally(h5, null);
1277		checkCompletedNormally(f, v1);
1278	<	r.assertInvoked();
1278	>	for (Noop r : rs) r.assertInvoked();
1279		}}
1280
1281		/**
#	Line 1277 | Line 1284 | public class CompletableFutureTest exten
1284		*/
1285		public void testThenRun_exceptionalCompletion() {
1286		for (ExecutionMode m : ExecutionMode.values())
1280	–	for (boolean createIncomplete : new boolean[] { true, false })
1287		{
1288		final CFException ex = new CFException();
1289		final CompletableFuture<Integer> f = new CompletableFuture<>();
1290	<	final Noop r = new Noop(m);
1291	<	if (!createIncomplete) f.completeExceptionally(ex);
1286	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1287	<	if (createIncomplete) {
1288	<	checkIncomplete(g);
1289	<	f.completeExceptionally(ex);
1290	<	}
1290	>	final Noop[] rs = new Noop[6];
1291	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1292
1293	<	checkCompletedWithWrappedException(g, ex);
1293	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1294	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1295	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1296	>	checkIncomplete(h0);
1297	>	checkIncomplete(h1);
1298	>	checkIncomplete(h2);
1299	>	assertTrue(f.completeExceptionally(ex));
1300	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1301	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1302	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1303	>
1304	>	checkCompletedWithWrappedException(h0, ex);
1305	>	checkCompletedWithWrappedException(h1, ex);
1306	>	checkCompletedWithWrappedException(h2, ex);
1307	>	checkCompletedWithWrappedException(h3, ex);
1308	>	checkCompletedWithWrappedException(h4, ex);
1309	>	checkCompletedWithWrappedException(h5, ex);
1310		checkCompletedExceptionally(f, ex);
1311	<	r.assertNotInvoked();
1311	>	for (Noop r : rs) r.assertNotInvoked();
1312		}}
1313
1314		/**
#	Line 1299 | Line 1316 | public class CompletableFutureTest exten
1316		*/
1317		public void testThenRun_sourceCancelled() {
1318		for (ExecutionMode m : ExecutionMode.values())
1302	–	for (boolean createIncomplete : new boolean[] { true, false })
1319		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1320		{
1321		final CompletableFuture<Integer> f = new CompletableFuture<>();
1322	<	final Noop r = new Noop(m);
1323	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1308	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1309	<	if (createIncomplete) {
1310	<	checkIncomplete(g);
1311	<	assertTrue(f.cancel(mayInterruptIfRunning));
1312	<	}
1322	>	final Noop[] rs = new Noop[6];
1323	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1324
1325	<	checkCompletedWithWrappedCancellationException(g);
1325	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1326	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1327	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1328	>	checkIncomplete(h0);
1329	>	checkIncomplete(h1);
1330	>	checkIncomplete(h2);
1331	>	assertTrue(f.cancel(mayInterruptIfRunning));
1332	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1333	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1334	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1335	>
1336	>	checkCompletedWithWrappedCancellationException(h0);
1337	>	checkCompletedWithWrappedCancellationException(h1);
1338	>	checkCompletedWithWrappedCancellationException(h2);
1339	>	checkCompletedWithWrappedCancellationException(h3);
1340	>	checkCompletedWithWrappedCancellationException(h4);
1341	>	checkCompletedWithWrappedCancellationException(h5);
1342		checkCancelled(f);
1343	<	r.assertNotInvoked();
1343	>	for (Noop r : rs) r.assertNotInvoked();
1344		}}
1345
1346		/**
#	Line 1321 | Line 1348 | public class CompletableFutureTest exten
1348		*/
1349		public void testThenRun_actionFailed() {
1350		for (ExecutionMode m : ExecutionMode.values())
1324	–	for (boolean createIncomplete : new boolean[] { true, false })
1351		for (Integer v1 : new Integer[] { 1, null })
1352		{
1353		final CompletableFuture<Integer> f = new CompletableFuture<>();
1354	<	final FailingRunnable r = new FailingRunnable(m);
1355	<	if (!createIncomplete) f.complete(v1);
1330	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1331	<	if (createIncomplete) {
1332	<	checkIncomplete(g);
1333	<	f.complete(v1);
1334	<	}
1354	>	final FailingRunnable[] rs = new FailingRunnable[6];
1355	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1356
1357	<	checkCompletedWithWrappedCFException(g);
1357	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1358	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1359	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1360	>	assertTrue(f.complete(v1));
1361	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1362	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1363	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1364	>
1365	>	checkCompletedWithWrappedCFException(h0);
1366	>	checkCompletedWithWrappedCFException(h1);
1367	>	checkCompletedWithWrappedCFException(h2);
1368	>	checkCompletedWithWrappedCFException(h3);
1369	>	checkCompletedWithWrappedCFException(h4);
1370	>	checkCompletedWithWrappedCFException(h5);
1371		checkCompletedNormally(f, v1);
1372		}}
1373
#	Line 1342 | Line 1376 | public class CompletableFutureTest exten
1376		*/
1377		public void testThenApply_normalCompletion() {
1378		for (ExecutionMode m : ExecutionMode.values())
1345	–	for (boolean createIncomplete : new boolean[] { true, false })
1379		for (Integer v1 : new Integer[] { 1, null })
1380		{
1381		final CompletableFuture<Integer> f = new CompletableFuture<>();
1382	<	final IncFunction r = new IncFunction(m);
1383	<	if (!createIncomplete) f.complete(v1);
1351	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1352	<	if (createIncomplete) {
1353	<	checkIncomplete(g);
1354	<	f.complete(v1);
1355	<	}
1382	>	final IncFunction[] rs = new IncFunction[4];
1383	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1384
1385	<	checkCompletedNormally(g, inc(v1));
1385	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1386	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1387	>	checkIncomplete(h0);
1388	>	checkIncomplete(h1);
1389	>	assertTrue(f.complete(v1));
1390	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1391	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1392	>
1393	>	checkCompletedNormally(h0, inc(v1));
1394	>	checkCompletedNormally(h1, inc(v1));
1395	>	checkCompletedNormally(h2, inc(v1));
1396	>	checkCompletedNormally(h3, inc(v1));
1397		checkCompletedNormally(f, v1);
1398	<	r.assertValue(inc(v1));
1398	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1399		}}
1400
1401		/**
#	Line 1365 | Line 1404 | public class CompletableFutureTest exten
1404		*/
1405		public void testThenApply_exceptionalCompletion() {
1406		for (ExecutionMode m : ExecutionMode.values())
1368	–	for (boolean createIncomplete : new boolean[] { true, false })
1407		{
1408		final CFException ex = new CFException();
1409		final CompletableFuture<Integer> f = new CompletableFuture<>();
1410	<	final IncFunction r = new IncFunction(m);
1411	<	if (!createIncomplete) f.completeExceptionally(ex);
1374	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1375	<	if (createIncomplete) {
1376	<	checkIncomplete(g);
1377	<	f.completeExceptionally(ex);
1378	<	}
1410	>	final IncFunction[] rs = new IncFunction[4];
1411	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1412
1413	<	checkCompletedWithWrappedException(g, ex);
1413	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1414	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1415	>	assertTrue(f.completeExceptionally(ex));
1416	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1417	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1418	>
1419	>	checkCompletedWithWrappedException(h0, ex);
1420	>	checkCompletedWithWrappedException(h1, ex);
1421	>	checkCompletedWithWrappedException(h2, ex);
1422	>	checkCompletedWithWrappedException(h3, ex);
1423		checkCompletedExceptionally(f, ex);
1424	<	r.assertNotInvoked();
1424	>	for (IncFunction r : rs) r.assertNotInvoked();
1425		}}
1426
1427		/**
#	Line 1387 | Line 1429 | public class CompletableFutureTest exten
1429		*/
1430		public void testThenApply_sourceCancelled() {
1431		for (ExecutionMode m : ExecutionMode.values())
1390	–	for (boolean createIncomplete : new boolean[] { true, false })
1432		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1433		{
1434		final CompletableFuture<Integer> f = new CompletableFuture<>();
1435	<	final IncFunction r = new IncFunction(m);
1436	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1396	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1397	<	if (createIncomplete) {
1398	<	checkIncomplete(g);
1399	<	assertTrue(f.cancel(mayInterruptIfRunning));
1400	<	}
1435	>	final IncFunction[] rs = new IncFunction[4];
1436	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1437
1438	<	checkCompletedWithWrappedCancellationException(g);
1438	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1439	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1440	>	assertTrue(f.cancel(mayInterruptIfRunning));
1441	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1442	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1443	>
1444	>	checkCompletedWithWrappedCancellationException(h0);
1445	>	checkCompletedWithWrappedCancellationException(h1);
1446	>	checkCompletedWithWrappedCancellationException(h2);
1447	>	checkCompletedWithWrappedCancellationException(h3);
1448		checkCancelled(f);
1449	<	r.assertNotInvoked();
1449	>	for (IncFunction r : rs) r.assertNotInvoked();
1450		}}
1451
1452		/**
#	Line 1409 | Line 1454 | public class CompletableFutureTest exten
1454		*/
1455		public void testThenApply_actionFailed() {
1456		for (ExecutionMode m : ExecutionMode.values())
1412	–	for (boolean createIncomplete : new boolean[] { true, false })
1457		for (Integer v1 : new Integer[] { 1, null })
1458		{
1459		final CompletableFuture<Integer> f = new CompletableFuture<>();
1460	<	final FailingFunction r = new FailingFunction(m);
1461	<	if (!createIncomplete) f.complete(v1);
1418	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1419	<	if (createIncomplete) {
1420	<	checkIncomplete(g);
1421	<	f.complete(v1);
1422	<	}
1460	>	final FailingFunction[] rs = new FailingFunction[4];
1461	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1462
1463	<	checkCompletedWithWrappedCFException(g);
1463	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1464	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1465	>	assertTrue(f.complete(v1));
1466	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1467	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1468	>
1469	>	checkCompletedWithWrappedCFException(h0);
1470	>	checkCompletedWithWrappedCFException(h1);
1471	>	checkCompletedWithWrappedCFException(h2);
1472	>	checkCompletedWithWrappedCFException(h3);
1473		checkCompletedNormally(f, v1);
1474		}}
1475
#	Line 1430 | Line 1478 | public class CompletableFutureTest exten
1478		*/
1479		public void testThenAccept_normalCompletion() {
1480		for (ExecutionMode m : ExecutionMode.values())
1433	–	for (boolean createIncomplete : new boolean[] { true, false })
1481		for (Integer v1 : new Integer[] { 1, null })
1482		{
1483		final CompletableFuture<Integer> f = new CompletableFuture<>();
1484	<	final NoopConsumer r = new NoopConsumer(m);
1485	<	if (!createIncomplete) f.complete(v1);
1439	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1440	<	if (createIncomplete) {
1441	<	checkIncomplete(g);
1442	<	f.complete(v1);
1443	<	}
1484	>	final NoopConsumer[] rs = new NoopConsumer[4];
1485	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1486
1487	<	checkCompletedNormally(g, null);
1488	<	r.assertValue(v1);
1487	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1488	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1489	>	checkIncomplete(h0);
1490	>	checkIncomplete(h1);
1491	>	assertTrue(f.complete(v1));
1492	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1493	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1494	>
1495	>	checkCompletedNormally(h0, null);
1496	>	checkCompletedNormally(h1, null);
1497	>	checkCompletedNormally(h2, null);
1498	>	checkCompletedNormally(h3, null);
1499		checkCompletedNormally(f, v1);
1500	+	for (NoopConsumer r : rs) r.assertValue(v1);
1501		}}
1502
1503		/**
#	Line 1453 | Line 1506 | public class CompletableFutureTest exten
1506		*/
1507		public void testThenAccept_exceptionalCompletion() {
1508		for (ExecutionMode m : ExecutionMode.values())
1456	–	for (boolean createIncomplete : new boolean[] { true, false })
1509		{
1510		final CFException ex = new CFException();
1511		final CompletableFuture<Integer> f = new CompletableFuture<>();
1512	<	final NoopConsumer r = new NoopConsumer(m);
1513	<	if (!createIncomplete) f.completeExceptionally(ex);
1462	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1463	<	if (createIncomplete) {
1464	<	checkIncomplete(g);
1465	<	f.completeExceptionally(ex);
1466	<	}
1512	>	final NoopConsumer[] rs = new NoopConsumer[4];
1513	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1514
1515	<	checkCompletedWithWrappedException(g, ex);
1515	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1516	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1517	>	assertTrue(f.completeExceptionally(ex));
1518	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1519	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1520	>
1521	>	checkCompletedWithWrappedException(h0, ex);
1522	>	checkCompletedWithWrappedException(h1, ex);
1523	>	checkCompletedWithWrappedException(h2, ex);
1524	>	checkCompletedWithWrappedException(h3, ex);
1525		checkCompletedExceptionally(f, ex);
1526	<	r.assertNotInvoked();
1526	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1527		}}
1528
1529		/**
#	Line 1475 | Line 1531 | public class CompletableFutureTest exten
1531		*/
1532		public void testThenAccept_sourceCancelled() {
1533		for (ExecutionMode m : ExecutionMode.values())
1478	–	for (boolean createIncomplete : new boolean[] { true, false })
1534		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1535		{
1536		final CompletableFuture<Integer> f = new CompletableFuture<>();
1537	<	final NoopConsumer r = new NoopConsumer(m);
1538	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1484	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1485	<	if (createIncomplete) {
1486	<	checkIncomplete(g);
1487	<	assertTrue(f.cancel(mayInterruptIfRunning));
1488	<	}
1537	>	final NoopConsumer[] rs = new NoopConsumer[4];
1538	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1539
1540	<	checkCompletedWithWrappedCancellationException(g);
1540	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1541	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1542	>	assertTrue(f.cancel(mayInterruptIfRunning));
1543	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1544	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1545	>
1546	>	checkCompletedWithWrappedCancellationException(h0);
1547	>	checkCompletedWithWrappedCancellationException(h1);
1548	>	checkCompletedWithWrappedCancellationException(h2);
1549	>	checkCompletedWithWrappedCancellationException(h3);
1550		checkCancelled(f);
1551	<	r.assertNotInvoked();
1551	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1552		}}
1553
1554		/**
#	Line 1497 | Line 1556 | public class CompletableFutureTest exten
1556		*/
1557		public void testThenAccept_actionFailed() {
1558		for (ExecutionMode m : ExecutionMode.values())
1500	–	for (boolean createIncomplete : new boolean[] { true, false })
1559		for (Integer v1 : new Integer[] { 1, null })
1560		{
1561		final CompletableFuture<Integer> f = new CompletableFuture<>();
1562	<	final FailingConsumer r = new FailingConsumer(m);
1563	<	if (!createIncomplete) f.complete(v1);
1506	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1507	<	if (createIncomplete) {
1508	<	checkIncomplete(g);
1509	<	f.complete(v1);
1510	<	}
1562	>	final FailingConsumer[] rs = new FailingConsumer[4];
1563	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1564
1565	<	checkCompletedWithWrappedCFException(g);
1565	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1566	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1567	>	assertTrue(f.complete(v1));
1568	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1569	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1570	>
1571	>	checkCompletedWithWrappedCFException(h0);
1572	>	checkCompletedWithWrappedCFException(h1);
1573	>	checkCompletedWithWrappedCFException(h2);
1574	>	checkCompletedWithWrappedCFException(h3);
1575		checkCompletedNormally(f, v1);
1576		}}
1577
#	Line 1519 | Line 1581 | public class CompletableFutureTest exten
1581		*/
1582		public void testThenCombine_normalCompletion() {
1583		for (ExecutionMode m : ExecutionMode.values())
1522	–	for (boolean createIncomplete : new boolean[] { true, false })
1584		for (boolean fFirst : new boolean[] { true, false })
1585		for (Integer v1 : new Integer[] { 1, null })
1586		for (Integer v2 : new Integer[] { 2, null })
1587		{
1588		final CompletableFuture<Integer> f = new CompletableFuture<>();
1589		final CompletableFuture<Integer> g = new CompletableFuture<>();
1590	<	final SubtractFunction r = new SubtractFunction(m);
1590	>	final SubtractFunction[] rs = new SubtractFunction[6];
1591	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1592
1593	<	if (fFirst) f.complete(v1); else g.complete(v2);
1594	<	if (!createIncomplete)
1595	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1596	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1597	<	if (createIncomplete) {
1598	<	checkIncomplete(h);
1599	<	r.assertNotInvoked();
1600	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1601	<	}
1593	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1594	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1595	>	final Integer w1 =  fFirst ? v1 : v2;
1596	>	final Integer w2 = !fFirst ? v1 : v2;
1597	>
1598	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1599	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1600	>	assertTrue(fst.complete(w1));
1601	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1602	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1603	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1604	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1605	>	checkCompletedNormally(h1, subtract(w1, w1));
1606	>	checkCompletedNormally(h3, subtract(w1, w1));
1607	>	rs[1].assertValue(subtract(w1, w1));
1608	>	rs[3].assertValue(subtract(w1, w1));
1609	>	assertTrue(snd.complete(w2));
1610	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1611	>
1612	>	checkCompletedNormally(h0, subtract(v1, v2));
1613	>	checkCompletedNormally(h2, subtract(v1, v2));
1614	>	checkCompletedNormally(h4, subtract(v1, v2));
1615	>	rs[0].assertValue(subtract(v1, v2));
1616	>	rs[2].assertValue(subtract(v1, v2));
1617	>	rs[4].assertValue(subtract(v1, v2));
1618
1541	–	checkCompletedNormally(h, subtract(v1, v2));
1619		checkCompletedNormally(f, v1);
1620		checkCompletedNormally(g, v2);
1544	–	r.assertValue(subtract(v1, v2));
1621		}}
1622
1623		/**
1624		* thenCombine result completes exceptionally after exceptional
1625		* completion of either source
1626		*/
1627	<	public void testThenCombine_exceptionalCompletion() {
1627	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1628		for (ExecutionMode m : ExecutionMode.values())
1553	–	for (boolean createIncomplete : new boolean[] { true, false })
1629		for (boolean fFirst : new boolean[] { true, false })
1630	+	for (boolean failFirst : new boolean[] { true, false })
1631		for (Integer v1 : new Integer[] { 1, null })
1632		{
1633		final CompletableFuture<Integer> f = new CompletableFuture<>();
1634		final CompletableFuture<Integer> g = new CompletableFuture<>();
1635		final CFException ex = new CFException();
1636	<	final SubtractFunction r = new SubtractFunction(m);
1637	<
1638	<	(fFirst ? f : g).complete(v1);
1639	<	if (!createIncomplete)
1640	<	(!fFirst ? f : g).completeExceptionally(ex);
1641	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1642	<	if (createIncomplete) {
1643	<	checkIncomplete(h);
1644	<	(!fFirst ? f : g).completeExceptionally(ex);
1645	<	}
1636	>	final SubtractFunction r1 = new SubtractFunction(m);
1637	>	final SubtractFunction r2 = new SubtractFunction(m);
1638	>	final SubtractFunction r3 = new SubtractFunction(m);
1639	>
1640	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1641	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1642	>	final Callable<Boolean> complete1 = failFirst ?
1643	>	() -> fst.completeExceptionally(ex) :
1644	>	() -> fst.complete(v1);
1645	>	final Callable<Boolean> complete2 = failFirst ?
1646	>	() -> snd.complete(v1) :
1647	>	() -> snd.completeExceptionally(ex);
1648	>
1649	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1650	>	assertTrue(complete1.call());
1651	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1652	>	checkIncomplete(h1);
1653	>	checkIncomplete(h2);
1654	>	assertTrue(complete2.call());
1655	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1656
1657	<	checkCompletedWithWrappedException(h, ex);
1658	<	r.assertNotInvoked();
1659	<	checkCompletedNormally(fFirst ? f : g, v1);
1660	<	checkCompletedExceptionally(!fFirst ? f : g, ex);
1657	>	checkCompletedWithWrappedException(h1, ex);
1658	>	checkCompletedWithWrappedException(h2, ex);
1659	>	checkCompletedWithWrappedException(h3, ex);
1660	>	r1.assertNotInvoked();
1661	>	r2.assertNotInvoked();
1662	>	r3.assertNotInvoked();
1663	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1664	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1665		}}
1666
1667		/**
1668		* thenCombine result completes exceptionally if either source cancelled
1669		*/
1670	<	public void testThenCombine_sourceCancelled() {
1670	>	public void testThenCombine_sourceCancelled() throws Throwable {
1671		for (ExecutionMode m : ExecutionMode.values())
1672		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1583	–	for (boolean createIncomplete : new boolean[] { true, false })
1673		for (boolean fFirst : new boolean[] { true, false })
1674	+	for (boolean failFirst : new boolean[] { true, false })
1675		for (Integer v1 : new Integer[] { 1, null })
1676		{
1677		final CompletableFuture<Integer> f = new CompletableFuture<>();
1678		final CompletableFuture<Integer> g = new CompletableFuture<>();
1679	<	final SubtractFunction r = new SubtractFunction(m);
1679	>	final SubtractFunction r1 = new SubtractFunction(m);
1680	>	final SubtractFunction r2 = new SubtractFunction(m);
1681	>	final SubtractFunction r3 = new SubtractFunction(m);
1682
1683	<	(fFirst ? f : g).complete(v1);
1684	<	if (!createIncomplete)
1685	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1686	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1687	<	if (createIncomplete) {
1688	<	checkIncomplete(h);
1689	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1690	<	}
1683	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1684	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1685	>	final Callable<Boolean> complete1 = failFirst ?
1686	>	() -> fst.cancel(mayInterruptIfRunning) :
1687	>	() -> fst.complete(v1);
1688	>	final Callable<Boolean> complete2 = failFirst ?
1689	>	() -> snd.complete(v1) :
1690	>	() -> snd.cancel(mayInterruptIfRunning);
1691
1692	<	checkCompletedWithWrappedCancellationException(h);
1693	<	checkCancelled(!fFirst ? f : g);
1694	<	r.assertNotInvoked();
1695	<	checkCompletedNormally(fFirst ? f : g, v1);
1692	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1693	>	assertTrue(complete1.call());
1694	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1695	>	checkIncomplete(h1);
1696	>	checkIncomplete(h2);
1697	>	assertTrue(complete2.call());
1698	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1699	>
1700	>	checkCompletedWithWrappedCancellationException(h1);
1701	>	checkCompletedWithWrappedCancellationException(h2);
1702	>	checkCompletedWithWrappedCancellationException(h3);
1703	>	r1.assertNotInvoked();
1704	>	r2.assertNotInvoked();
1705	>	r3.assertNotInvoked();
1706	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1707	>	checkCancelled(failFirst ? fst : snd);
1708		}}
1709
1710		/**
#	Line 1614 | Line 1718 | public class CompletableFutureTest exten
1718		{
1719		final CompletableFuture<Integer> f = new CompletableFuture<>();
1720		final CompletableFuture<Integer> g = new CompletableFuture<>();
1721	<	final FailingBiFunction r = new FailingBiFunction(m);
1722	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1721	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1722	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1723	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1724	>
1725	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1726	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1727	>	final Integer w1 =  fFirst ? v1 : v2;
1728	>	final Integer w2 = !fFirst ? v1 : v2;
1729	>
1730	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1731	>	assertTrue(fst.complete(w1));
1732	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1733	>	assertTrue(snd.complete(w2));
1734	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1735
1736	<	if (fFirst) {
1737	<	f.complete(v1);
1738	<	g.complete(v2);
1739	<	} else {
1740	<	g.complete(v2);
1741	<	f.complete(v1);
1626	<	}
1627	<
1628	<	checkCompletedWithWrappedCFException(h);
1736	>	checkCompletedWithWrappedCFException(h1);
1737	>	checkCompletedWithWrappedCFException(h2);
1738	>	checkCompletedWithWrappedCFException(h3);
1739	>	r1.assertInvoked();
1740	>	r2.assertInvoked();
1741	>	r3.assertInvoked();
1742		checkCompletedNormally(f, v1);
1743		checkCompletedNormally(g, v2);
1744		}}
#	Line 1636 | Line 1749 | public class CompletableFutureTest exten
1749		*/
1750		public void testThenAcceptBoth_normalCompletion() {
1751		for (ExecutionMode m : ExecutionMode.values())
1639	–	for (boolean createIncomplete : new boolean[] { true, false })
1752		for (boolean fFirst : new boolean[] { true, false })
1753		for (Integer v1 : new Integer[] { 1, null })
1754		for (Integer v2 : new Integer[] { 2, null })
1755		{
1756		final CompletableFuture<Integer> f = new CompletableFuture<>();
1757		final CompletableFuture<Integer> g = new CompletableFuture<>();
1758	<	final SubtractAction r = new SubtractAction(m);
1759	<
1760	<	if (fFirst) f.complete(v1); else g.complete(v2);
1761	<	if (!createIncomplete)
1762	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1763	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1764	<	if (createIncomplete) {
1765	<	checkIncomplete(h);
1766	<	r.assertNotInvoked();
1767	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1768	<	}
1758	>	final SubtractAction r1 = new SubtractAction(m);
1759	>	final SubtractAction r2 = new SubtractAction(m);
1760	>	final SubtractAction r3 = new SubtractAction(m);
1761	>
1762	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1763	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1764	>	final Integer w1 =  fFirst ? v1 : v2;
1765	>	final Integer w2 = !fFirst ? v1 : v2;
1766	>
1767	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1768	>	assertTrue(fst.complete(w1));
1769	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1770	>	checkIncomplete(h1);
1771	>	checkIncomplete(h2);
1772	>	r1.assertNotInvoked();
1773	>	r2.assertNotInvoked();
1774	>	assertTrue(snd.complete(w2));
1775	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1776
1777	<	checkCompletedNormally(h, null);
1778	<	r.assertValue(subtract(v1, v2));
1777	>	checkCompletedNormally(h1, null);
1778	>	checkCompletedNormally(h2, null);
1779	>	checkCompletedNormally(h3, null);
1780	>	r1.assertValue(subtract(v1, v2));
1781	>	r2.assertValue(subtract(v1, v2));
1782	>	r3.assertValue(subtract(v1, v2));
1783		checkCompletedNormally(f, v1);
1784		checkCompletedNormally(g, v2);
1785		}}
#	Line 1665 | Line 1788 | public class CompletableFutureTest exten
1788		* thenAcceptBoth result completes exceptionally after exceptional
1789		* completion of either source
1790		*/
1791	<	public void testThenAcceptBoth_exceptionalCompletion() {
1791	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1792		for (ExecutionMode m : ExecutionMode.values())
1670	–	for (boolean createIncomplete : new boolean[] { true, false })
1793		for (boolean fFirst : new boolean[] { true, false })
1794	+	for (boolean failFirst : new boolean[] { true, false })
1795		for (Integer v1 : new Integer[] { 1, null })
1796		{
1797		final CompletableFuture<Integer> f = new CompletableFuture<>();
1798		final CompletableFuture<Integer> g = new CompletableFuture<>();
1799		final CFException ex = new CFException();
1800	<	final SubtractAction r = new SubtractAction(m);
1801	<
1802	<	(fFirst ? f : g).complete(v1);
1803	<	if (!createIncomplete)
1804	<	(!fFirst ? f : g).completeExceptionally(ex);
1805	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1806	<	if (createIncomplete) {
1807	<	checkIncomplete(h);
1808	<	(!fFirst ? f : g).completeExceptionally(ex);
1809	<	}
1800	>	final SubtractAction r1 = new SubtractAction(m);
1801	>	final SubtractAction r2 = new SubtractAction(m);
1802	>	final SubtractAction r3 = new SubtractAction(m);
1803	>
1804	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1805	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1806	>	final Callable<Boolean> complete1 = failFirst ?
1807	>	() -> fst.completeExceptionally(ex) :
1808	>	() -> fst.complete(v1);
1809	>	final Callable<Boolean> complete2 = failFirst ?
1810	>	() -> snd.complete(v1) :
1811	>	() -> snd.completeExceptionally(ex);
1812	>
1813	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1814	>	assertTrue(complete1.call());
1815	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1816	>	checkIncomplete(h1);
1817	>	checkIncomplete(h2);
1818	>	assertTrue(complete2.call());
1819	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1820
1821	<	checkCompletedWithWrappedException(h, ex);
1822	<	r.assertNotInvoked();
1823	<	checkCompletedNormally(fFirst ? f : g, v1);
1824	<	checkCompletedExceptionally(!fFirst ? f : g, ex);
1821	>	checkCompletedWithWrappedException(h1, ex);
1822	>	checkCompletedWithWrappedException(h2, ex);
1823	>	checkCompletedWithWrappedException(h3, ex);
1824	>	r1.assertNotInvoked();
1825	>	r2.assertNotInvoked();
1826	>	r3.assertNotInvoked();
1827	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1828	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1829		}}
1830
1831		/**
1832		* thenAcceptBoth result completes exceptionally if either source cancelled
1833		*/
1834	<	public void testThenAcceptBoth_sourceCancelled() {
1834	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1835		for (ExecutionMode m : ExecutionMode.values())
1836		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1700	–	for (boolean createIncomplete : new boolean[] { true, false })
1837		for (boolean fFirst : new boolean[] { true, false })
1838	+	for (boolean failFirst : new boolean[] { true, false })
1839		for (Integer v1 : new Integer[] { 1, null })
1840		{
1841		final CompletableFuture<Integer> f = new CompletableFuture<>();
1842		final CompletableFuture<Integer> g = new CompletableFuture<>();
1843	<	final SubtractAction r = new SubtractAction(m);
1843	>	final SubtractAction r1 = new SubtractAction(m);
1844	>	final SubtractAction r2 = new SubtractAction(m);
1845	>	final SubtractAction r3 = new SubtractAction(m);
1846
1847	<	(fFirst ? f : g).complete(v1);
1848	<	if (!createIncomplete)
1849	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1850	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1851	<	if (createIncomplete) {
1852	<	checkIncomplete(h);
1853	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1854	<	}
1847	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1848	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1849	>	final Callable<Boolean> complete1 = failFirst ?
1850	>	() -> fst.cancel(mayInterruptIfRunning) :
1851	>	() -> fst.complete(v1);
1852	>	final Callable<Boolean> complete2 = failFirst ?
1853	>	() -> snd.complete(v1) :
1854	>	() -> snd.cancel(mayInterruptIfRunning);
1855
1856	<	checkCompletedWithWrappedCancellationException(h);
1857	<	checkCancelled(!fFirst ? f : g);
1858	<	r.assertNotInvoked();
1859	<	checkCompletedNormally(fFirst ? f : g, v1);
1856	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1857	>	assertTrue(complete1.call());
1858	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1859	>	checkIncomplete(h1);
1860	>	checkIncomplete(h2);
1861	>	assertTrue(complete2.call());
1862	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1863	>
1864	>	checkCompletedWithWrappedCancellationException(h1);
1865	>	checkCompletedWithWrappedCancellationException(h2);
1866	>	checkCompletedWithWrappedCancellationException(h3);
1867	>	r1.assertNotInvoked();
1868	>	r2.assertNotInvoked();
1869	>	r3.assertNotInvoked();
1870	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1871	>	checkCancelled(failFirst ? fst : snd);
1872		}}
1873
1874		/**
#	Line 1731 | Line 1882 | public class CompletableFutureTest exten
1882		{
1883		final CompletableFuture<Integer> f = new CompletableFuture<>();
1884		final CompletableFuture<Integer> g = new CompletableFuture<>();
1885	<	final FailingBiConsumer r = new FailingBiConsumer(m);
1886	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1885	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1886	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1887	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1888	>
1889	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1890	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1891	>	final Integer w1 =  fFirst ? v1 : v2;
1892	>	final Integer w2 = !fFirst ? v1 : v2;
1893	>
1894	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1895	>	assertTrue(fst.complete(w1));
1896	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1897	>	assertTrue(snd.complete(w2));
1898	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1899
1900	<	if (fFirst) {
1901	<	f.complete(v1);
1902	<	g.complete(v2);
1903	<	} else {
1904	<	g.complete(v2);
1905	<	f.complete(v1);
1743	<	}
1744	<
1745	<	checkCompletedWithWrappedCFException(h);
1900	>	checkCompletedWithWrappedCFException(h1);
1901	>	checkCompletedWithWrappedCFException(h2);
1902	>	checkCompletedWithWrappedCFException(h3);
1903	>	r1.assertInvoked();
1904	>	r2.assertInvoked();
1905	>	r3.assertInvoked();
1906		checkCompletedNormally(f, v1);
1907		checkCompletedNormally(g, v2);
1908		}}
#	Line 1753 | Line 1913 | public class CompletableFutureTest exten
1913		*/
1914		public void testRunAfterBoth_normalCompletion() {
1915		for (ExecutionMode m : ExecutionMode.values())
1756	–	for (boolean createIncomplete : new boolean[] { true, false })
1916		for (boolean fFirst : new boolean[] { true, false })
1917		for (Integer v1 : new Integer[] { 1, null })
1918		for (Integer v2 : new Integer[] { 2, null })
1919		{
1920		final CompletableFuture<Integer> f = new CompletableFuture<>();
1921		final CompletableFuture<Integer> g = new CompletableFuture<>();
1922	<	final Noop r = new Noop(m);
1923	<
1924	<	if (fFirst) f.complete(v1); else g.complete(v2);
1925	<	if (!createIncomplete)
1926	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1927	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1928	<	if (createIncomplete) {
1929	<	checkIncomplete(h);
1930	<	r.assertNotInvoked();
1931	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1932	<	}
1922	>	final Noop r1 = new Noop(m);
1923	>	final Noop r2 = new Noop(m);
1924	>	final Noop r3 = new Noop(m);
1925	>
1926	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1927	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1928	>	final Integer w1 =  fFirst ? v1 : v2;
1929	>	final Integer w2 = !fFirst ? v1 : v2;
1930	>
1931	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1932	>	assertTrue(fst.complete(w1));
1933	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1934	>	checkIncomplete(h1);
1935	>	checkIncomplete(h2);
1936	>	r1.assertNotInvoked();
1937	>	r2.assertNotInvoked();
1938	>	assertTrue(snd.complete(w2));
1939	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1940
1941	<	checkCompletedNormally(h, null);
1942	<	r.assertInvoked();
1941	>	checkCompletedNormally(h1, null);
1942	>	checkCompletedNormally(h2, null);
1943	>	checkCompletedNormally(h3, null);
1944	>	r1.assertInvoked();
1945	>	r2.assertInvoked();
1946	>	r3.assertInvoked();
1947		checkCompletedNormally(f, v1);
1948		checkCompletedNormally(g, v2);
1949		}}
#	Line 1782 | Line 1952 | public class CompletableFutureTest exten
1952		* runAfterBoth result completes exceptionally after exceptional
1953		* completion of either source
1954		*/
1955	<	public void testRunAfterBoth_exceptionalCompletion() {
1955	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1956		for (ExecutionMode m : ExecutionMode.values())
1787	–	for (boolean createIncomplete : new boolean[] { true, false })
1957		for (boolean fFirst : new boolean[] { true, false })
1958	+	for (boolean failFirst : new boolean[] { true, false })
1959		for (Integer v1 : new Integer[] { 1, null })
1960		{
1961		final CompletableFuture<Integer> f = new CompletableFuture<>();
1962		final CompletableFuture<Integer> g = new CompletableFuture<>();
1963		final CFException ex = new CFException();
1964	<	final Noop r = new Noop(m);
1965	<
1966	<	(fFirst ? f : g).complete(v1);
1967	<	if (!createIncomplete)
1968	<	(!fFirst ? f : g).completeExceptionally(ex);
1969	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1970	<	if (createIncomplete) {
1971	<	checkIncomplete(h);
1972	<	(!fFirst ? f : g).completeExceptionally(ex);
1973	<	}
1964	>	final Noop r1 = new Noop(m);
1965	>	final Noop r2 = new Noop(m);
1966	>	final Noop r3 = new Noop(m);
1967	>
1968	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1969	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1970	>	final Callable<Boolean> complete1 = failFirst ?
1971	>	() -> fst.completeExceptionally(ex) :
1972	>	() -> fst.complete(v1);
1973	>	final Callable<Boolean> complete2 = failFirst ?
1974	>	() -> snd.complete(v1) :
1975	>	() -> snd.completeExceptionally(ex);
1976	>
1977	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1978	>	assertTrue(complete1.call());
1979	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1980	>	checkIncomplete(h1);
1981	>	checkIncomplete(h2);
1982	>	assertTrue(complete2.call());
1983	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1984
1985	<	checkCompletedWithWrappedException(h, ex);
1986	<	r.assertNotInvoked();
1987	<	checkCompletedNormally(fFirst ? f : g, v1);
1988	<	checkCompletedExceptionally(!fFirst ? f : g, ex);
1985	>	checkCompletedWithWrappedException(h1, ex);
1986	>	checkCompletedWithWrappedException(h2, ex);
1987	>	checkCompletedWithWrappedException(h3, ex);
1988	>	r1.assertNotInvoked();
1989	>	r2.assertNotInvoked();
1990	>	r3.assertNotInvoked();
1991	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1992	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1993		}}
1994
1995		/**
1996		* runAfterBoth result completes exceptionally if either source cancelled
1997		*/
1998	<	public void testRunAfterBoth_sourceCancelled() {
1998	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
1999		for (ExecutionMode m : ExecutionMode.values())
2000		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1817	–	for (boolean createIncomplete : new boolean[] { true, false })
2001		for (boolean fFirst : new boolean[] { true, false })
2002	+	for (boolean failFirst : new boolean[] { true, false })
2003		for (Integer v1 : new Integer[] { 1, null })
2004		{
2005		final CompletableFuture<Integer> f = new CompletableFuture<>();
2006		final CompletableFuture<Integer> g = new CompletableFuture<>();
2007	<	final Noop r = new Noop(m);
2007	>	final Noop r1 = new Noop(m);
2008	>	final Noop r2 = new Noop(m);
2009	>	final Noop r3 = new Noop(m);
2010
2011	<	(fFirst ? f : g).complete(v1);
2012	<	if (!createIncomplete)
2013	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2014	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2015	<	if (createIncomplete) {
2016	<	checkIncomplete(h);
2017	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2018	<	}
2011	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2012	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2013	>	final Callable<Boolean> complete1 = failFirst ?
2014	>	() -> fst.cancel(mayInterruptIfRunning) :
2015	>	() -> fst.complete(v1);
2016	>	final Callable<Boolean> complete2 = failFirst ?
2017	>	() -> snd.complete(v1) :
2018	>	() -> snd.cancel(mayInterruptIfRunning);
2019
2020	<	checkCompletedWithWrappedCancellationException(h);
2021	<	checkCancelled(!fFirst ? f : g);
2022	<	r.assertNotInvoked();
2023	<	checkCompletedNormally(fFirst ? f : g, v1);
2020	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2021	>	assertTrue(complete1.call());
2022	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2023	>	checkIncomplete(h1);
2024	>	checkIncomplete(h2);
2025	>	assertTrue(complete2.call());
2026	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2027	>
2028	>	checkCompletedWithWrappedCancellationException(h1);
2029	>	checkCompletedWithWrappedCancellationException(h2);
2030	>	checkCompletedWithWrappedCancellationException(h3);
2031	>	r1.assertNotInvoked();
2032	>	r2.assertNotInvoked();
2033	>	r3.assertNotInvoked();
2034	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2035	>	checkCancelled(failFirst ? fst : snd);
2036		}}
2037
2038		/**
#	Line 1850 | Line 2048 | public class CompletableFutureTest exten
2048		final CompletableFuture<Integer> g = new CompletableFuture<>();
2049		final FailingRunnable r1 = new FailingRunnable(m);
2050		final FailingRunnable r2 = new FailingRunnable(m);
2051	+	final FailingRunnable r3 = new FailingRunnable(m);
2052
2053	<	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2054	<	if (fFirst) {
2055	<	f.complete(v1);
2056	<	g.complete(v2);
2057	<	} else {
2058	<	g.complete(v2);
2059	<	f.complete(v1);
2060	<	}
2061	<	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2053	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2054	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2055	>	final Integer w1 =  fFirst ? v1 : v2;
2056	>	final Integer w2 = !fFirst ? v1 : v2;
2057	>
2058	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2059	>	assertTrue(fst.complete(w1));
2060	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2061	>	assertTrue(snd.complete(w2));
2062	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2063
2064		checkCompletedWithWrappedCFException(h1);
2065		checkCompletedWithWrappedCFException(h2);
2066	+	checkCompletedWithWrappedCFException(h3);
2067	+	r1.assertInvoked();
2068	+	r2.assertInvoked();
2069	+	r3.assertInvoked();
2070		checkCompletedNormally(f, v1);
2071		checkCompletedNormally(g, v2);
2072		}}
#	Line 1985 | Line 2189 | public class CompletableFutureTest exten
2189
2190		final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2191		final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2192	<	if (fFirst) {
2193	<	f.complete(v1);
1990	<	g.completeExceptionally(ex);
1991	<	} else {
1992	<	g.completeExceptionally(ex);
1993	<	f.complete(v1);
1994	<	}
2192	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2193	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2194		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2195		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2196
#	Line 2097 | Line 2296 | public class CompletableFutureTest exten
2296
2297		final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2298		final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2299	<	if (fFirst) {
2300	<	f.complete(v1);
2102	<	g.cancel(mayInterruptIfRunning);
2103	<	} else {
2104	<	g.cancel(mayInterruptIfRunning);
2105	<	f.complete(v1);
2106	<	}
2299	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2300	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2301		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2302		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2303
#	Line 2305 | Line 2499 | public class CompletableFutureTest exten
2499
2500		final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2501		final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2502	<	if (fFirst) {
2503	<	f.complete(v1);
2310	<	g.completeExceptionally(ex);
2311	<	} else {
2312	<	g.completeExceptionally(ex);
2313	<	f.complete(v1);
2314	<	}
2502	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2503	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2504		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2505		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2506
#	Line 2514 | Line 2703 | public class CompletableFutureTest exten
2703		checkIncomplete(h1);
2704		rs[0].assertNotInvoked();
2705		rs[1].assertNotInvoked();
2706	<	f.completeExceptionally(ex);
2706	>	assertTrue(f.completeExceptionally(ex));
2707		checkCompletedWithWrappedException(h0, ex);
2708		checkCompletedWithWrappedException(h1, ex);
2709		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
#	Line 2522 | Line 2711 | public class CompletableFutureTest exten
2711		checkCompletedWithWrappedException(h2, ex);
2712		checkCompletedWithWrappedException(h3, ex);
2713
2714	<	g.complete(v1);
2714	>	assertTrue(g.complete(v1));
2715
2716		// unspecified behavior - both source completions available
2717		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
#	Line 2565 | Line 2754 | public class CompletableFutureTest exten
2754
2755		final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2756		final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2757	<	if (fFirst) {
2758	<	f.complete(v1);
2570	<	g.completeExceptionally(ex);
2571	<	} else {
2572	<	g.completeExceptionally(ex);
2573	<	f.complete(v1);
2574	<	}
2757	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2758	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2759		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2760		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2761
#	Line 2636 | Line 2820 | public class CompletableFutureTest exten
2820		checkCompletedWithWrappedCancellationException(h2);
2821		checkCompletedWithWrappedCancellationException(h3);
2822
2823	<	g.complete(v1);
2823	>	assertTrue(g.complete(v1));
2824
2825		// unspecified behavior - both source completions available
2826		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
#	Line 2680 | Line 2864 | public class CompletableFutureTest exten
2864
2865		final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2866		final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2867	<	f.complete(v1);
2867	>	assertTrue(f.complete(v1));
2868		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2869		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2870		checkCompletedWithWrappedCFException(h0);
#	Line 2688 | Line 2872 | public class CompletableFutureTest exten
2872		checkCompletedWithWrappedCFException(h2);
2873		checkCompletedWithWrappedCFException(h3);
2874		for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2875	<	g.complete(v2);
2875	>	assertTrue(g.complete(v2));
2876		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2877		final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2878		checkCompletedWithWrappedCFException(h4);
#	Line 2709 | Line 2893 | public class CompletableFutureTest exten
2893		{
2894		final CompletableFuture<Integer> f = new CompletableFuture<>();
2895		final CompletableFutureInc r = new CompletableFutureInc(m);
2896	<	if (!createIncomplete) f.complete(v1);
2896	>	if (!createIncomplete) assertTrue(f.complete(v1));
2897		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2898	<	if (createIncomplete) f.complete(v1);
2898	>	if (createIncomplete) assertTrue(f.complete(v1));
2899
2900		checkCompletedNormally(g, inc(v1));
2901		checkCompletedNormally(f, v1);
#	Line 2749 | Line 2933 | public class CompletableFutureTest exten
2933		final CompletableFuture<Integer> f = new CompletableFuture<>();
2934		final FailingCompletableFutureFunction r
2935		= new FailingCompletableFutureFunction(m);
2936	<	if (!createIncomplete) f.complete(v1);
2936	>	if (!createIncomplete) assertTrue(f.complete(v1));
2937		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2938	<	if (createIncomplete) f.complete(v1);
2938	>	if (createIncomplete) assertTrue(f.complete(v1));
2939
2940		checkCompletedWithWrappedCFException(g);
2941		checkCompletedNormally(f, v1);
#	Line 2778 | Line 2962 | public class CompletableFutureTest exten
2962		checkCancelled(f);
2963		}}
2964
2965	+	/**
2966	+	* thenCompose result completes exceptionally if the result of the action does
2967	+	*/
2968	+	public void testThenCompose_actionReturnsFailingFuture() {
2969	+	for (ExecutionMode m : ExecutionMode.values())
2970	+	for (int order = 0; order < 6; order++)
2971	+	for (Integer v1 : new Integer[] { 1, null })
2972	+	{
2973	+	final CFException ex = new CFException();
2974	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
2975	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
2976	+	final CompletableFuture<Integer> h;
2977	+	// Test all permutations of orders
2978	+	switch (order) {
2979	+	case 0:
2980	+	assertTrue(f.complete(v1));
2981	+	assertTrue(g.completeExceptionally(ex));
2982	+	h = m.thenCompose(f, (x -> g));
2983	+	break;
2984	+	case 1:
2985	+	assertTrue(f.complete(v1));
2986	+	h = m.thenCompose(f, (x -> g));
2987	+	assertTrue(g.completeExceptionally(ex));
2988	+	break;
2989	+	case 2:
2990	+	assertTrue(g.completeExceptionally(ex));
2991	+	assertTrue(f.complete(v1));
2992	+	h = m.thenCompose(f, (x -> g));
2993	+	break;
2994	+	case 3:
2995	+	assertTrue(g.completeExceptionally(ex));
2996	+	h = m.thenCompose(f, (x -> g));
2997	+	assertTrue(f.complete(v1));
2998	+	break;
2999	+	case 4:
3000	+	h = m.thenCompose(f, (x -> g));
3001	+	assertTrue(f.complete(v1));
3002	+	assertTrue(g.completeExceptionally(ex));
3003	+	break;
3004	+	case 5:
3005	+	h = m.thenCompose(f, (x -> g));
3006	+	assertTrue(f.complete(v1));
3007	+	assertTrue(g.completeExceptionally(ex));
3008	+	break;
3009	+	default: throw new AssertionError();
3010	+	}
3011	+
3012	+	checkCompletedExceptionally(g, ex);
3013	+	checkCompletedWithWrappedException(h, ex);
3014	+	checkCompletedNormally(f, v1);
3015	+	}}
3016	+
3017		// other static methods
3018
3019		/**
#	Line 2794 | Line 3030 | public class CompletableFutureTest exten
3030		* when all components complete normally
3031		*/
3032		public void testAllOf_normal() throws Exception {
3033	<	for (int k = 1; k < 20; ++k) {
3033	>	for (int k = 1; k < 10; k++) {
3034		CompletableFuture<Integer>[] fs
3035		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3036	<	for (int i = 0; i < k; ++i)
3036	>	for (int i = 0; i < k; i++)
3037		fs[i] = new CompletableFuture<>();
3038		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3039	<	for (int i = 0; i < k; ++i) {
3039	>	for (int i = 0; i < k; i++) {
3040		checkIncomplete(f);
3041		checkIncomplete(CompletableFuture.allOf(fs));
3042		fs[i].complete(one);
#	Line 2811 | Line 3047 | public class CompletableFutureTest exten
3047		}
3048
3049		public void testAllOf_backwards() throws Exception {
3050	<	for (int k = 1; k < 20; ++k) {
3050	>	for (int k = 1; k < 10; k++) {
3051		CompletableFuture<Integer>[] fs
3052		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3053	<	for (int i = 0; i < k; ++i)
3053	>	for (int i = 0; i < k; i++)
3054		fs[i] = new CompletableFuture<>();
3055		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3056		for (int i = k - 1; i >= 0; i--) {
#	Line 2827 | Line 3063 | public class CompletableFutureTest exten
3063		}
3064		}
3065
3066	+	public void testAllOf_exceptional() throws Exception {
3067	+	for (int k = 1; k < 10; k++) {
3068	+	CompletableFuture<Integer>[] fs
3069	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3070	+	CFException ex = new CFException();
3071	+	for (int i = 0; i < k; i++)
3072	+	fs[i] = new CompletableFuture<>();
3073	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3074	+	for (int i = 0; i < k; i++) {
3075	+	checkIncomplete(f);
3076	+	checkIncomplete(CompletableFuture.allOf(fs));
3077	+	if (i != k / 2) {
3078	+	fs[i].complete(i);
3079	+	checkCompletedNormally(fs[i], i);
3080	+	} else {
3081	+	fs[i].completeExceptionally(ex);
3082	+	checkCompletedExceptionally(fs[i], ex);
3083	+	}
3084	+	}
3085	+	checkCompletedWithWrappedException(f, ex);
3086	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3087	+	}
3088	+	}
3089	+
3090		/**
3091		* anyOf(no component futures) returns an incomplete future
3092		*/
3093		public void testAnyOf_empty() throws Exception {
3094	+	for (Integer v1 : new Integer[] { 1, null })
3095	+	{
3096		CompletableFuture<Object> f = CompletableFuture.anyOf();
3097		checkIncomplete(f);
3098	<	}
3098	>
3099	>	f.complete(v1);
3100	>	checkCompletedNormally(f, v1);
3101	>	}}
3102
3103		/**
3104		* anyOf returns a future completed normally with a value when
3105		* a component future does
3106		*/
3107		public void testAnyOf_normal() throws Exception {
3108	<	for (int k = 0; k < 10; ++k) {
3108	>	for (int k = 0; k < 10; k++) {
3109		CompletableFuture[] fs = new CompletableFuture[k];
3110	<	for (int i = 0; i < k; ++i)
3110	>	for (int i = 0; i < k; i++)
3111		fs[i] = new CompletableFuture<>();
3112		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3113		checkIncomplete(f);
3114	<	for (int i = 0; i < k; ++i) {
3115	<	fs[i].complete(one);
3116	<	checkCompletedNormally(f, one);
3117	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3114	>	for (int i = 0; i < k; i++) {
3115	>	fs[i].complete(i);
3116	>	checkCompletedNormally(f, 0);
3117	>	int x = (int) CompletableFuture.anyOf(fs).join();
3118	>	assertTrue(0 <= x && x <= i);
3119	>	}
3120	>	}
3121	>	}
3122	>	public void testAnyOf_normal_backwards() throws Exception {
3123	>	for (int k = 0; k < 10; k++) {
3124	>	CompletableFuture[] fs = new CompletableFuture[k];
3125	>	for (int i = 0; i < k; i++)
3126	>	fs[i] = new CompletableFuture<>();
3127	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3128	>	checkIncomplete(f);
3129	>	for (int i = k - 1; i >= 0; i--) {
3130	>	fs[i].complete(i);
3131	>	checkCompletedNormally(f, k - 1);
3132	>	int x = (int) CompletableFuture.anyOf(fs).join();
3133	>	assertTrue(i <= x && x <= k - 1);
3134		}
3135		}
3136		}
#	Line 2858 | Line 3139 | public class CompletableFutureTest exten
3139		* anyOf result completes exceptionally when any component does.
3140		*/
3141		public void testAnyOf_exceptional() throws Exception {
3142	<	for (int k = 0; k < 10; ++k) {
3142	>	for (int k = 0; k < 10; k++) {
3143		CompletableFuture[] fs = new CompletableFuture[k];
3144	<	for (int i = 0; i < k; ++i)
3144	>	CFException[] exs = new CFException[k];
3145	>	for (int i = 0; i < k; i++) {
3146		fs[i] = new CompletableFuture<>();
3147	+	exs[i] = new CFException();
3148	+	}
3149		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3150		checkIncomplete(f);
3151	<	for (int i = 0; i < k; ++i) {
3152	<	fs[i].completeExceptionally(new CFException());
3153	<	checkCompletedWithWrappedCFException(f);
3151	>	for (int i = 0; i < k; i++) {
3152	>	fs[i].completeExceptionally(exs[i]);
3153	>	checkCompletedWithWrappedException(f, exs[0]);
3154	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3155	>	}
3156	>	}
3157	>	}
3158	>
3159	>	public void testAnyOf_exceptional_backwards() throws Exception {
3160	>	for (int k = 0; k < 10; k++) {
3161	>	CompletableFuture[] fs = new CompletableFuture[k];
3162	>	CFException[] exs = new CFException[k];
3163	>	for (int i = 0; i < k; i++) {
3164	>	fs[i] = new CompletableFuture<>();
3165	>	exs[i] = new CFException();
3166	>	}
3167	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3168	>	checkIncomplete(f);
3169	>	for (int i = k - 1; i >= 0; i--) {
3170	>	fs[i].completeExceptionally(exs[i]);
3171	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3172		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3173		}
3174		}
#	Line 2879 | Line 3181 | public class CompletableFutureTest exten
3181		CompletableFuture<Integer> f = new CompletableFuture<>();
3182		CompletableFuture<Integer> g = new CompletableFuture<>();
3183		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2882	–	CompletableFuture<?> h;
3184		ThreadExecutor exec = new ThreadExecutor();
3185
3186		Runnable[] throwingActions = {
3187		() -> CompletableFuture.supplyAsync(null),
3188		() -> CompletableFuture.supplyAsync(null, exec),
3189	<	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
3189	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3190
3191		() -> CompletableFuture.runAsync(null),
3192		() -> CompletableFuture.runAsync(null, exec),
#	Line 2976 | Line 3277 | public class CompletableFutureTest exten
3277		() -> CompletableFuture.anyOf(null, f),
3278
3279		() -> f.obtrudeException(null),
3280	+
3281	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3282	+	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3283	+	() -> CompletableFuture.delayedExecutor(1L, null),
3284	+
3285	+	() -> f.orTimeout(1L, null),
3286	+	() -> f.completeOnTimeout(42, 1L, null),
3287	+
3288	+	() -> CompletableFuture.failedFuture(null),
3289	+	() -> CompletableFuture.failedStage(null),
3290		};
3291
3292		assertThrows(NullPointerException.class, throwingActions);
#	Line 2990 | Line 3301 | public class CompletableFutureTest exten
3301		assertSame(f, f.toCompletableFuture());
3302		}
3303
3304	+	// jdk9
3305	+
3306	+	/**
3307	+	* newIncompleteFuture returns an incomplete CompletableFuture
3308	+	*/
3309	+	public void testNewIncompleteFuture() {
3310	+	for (Integer v1 : new Integer[] { 1, null })
3311	+	{
3312	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3313	+	CompletableFuture<Integer> g = f.newIncompleteFuture();
3314	+	checkIncomplete(f);
3315	+	checkIncomplete(g);
3316	+	f.complete(v1);
3317	+	checkCompletedNormally(f, v1);
3318	+	checkIncomplete(g);
3319	+	g.complete(v1);
3320	+	checkCompletedNormally(g, v1);
3321	+	assertSame(g.getClass(), CompletableFuture.class);
3322	+	}}
3323	+
3324	+	/**
3325	+	* completedStage returns a completed CompletionStage
3326	+	*/
3327	+	public void testCompletedStage() {
3328	+	AtomicInteger x = new AtomicInteger(0);
3329	+	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3330	+	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3331	+	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3332	+	assertEquals(x.get(), 1);
3333	+	assertNull(r.get());
3334	+	}
3335	+
3336	+	/**
3337	+	* defaultExecutor by default returns the commonPool if
3338	+	* it supports more than one thread.
3339	+	*/
3340	+	public void testDefaultExecutor() {
3341	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3342	+	Executor e = f.defaultExecutor();
3343	+	Executor c = ForkJoinPool.commonPool();
3344	+	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3345	+	assertSame(e, c);
3346	+	else
3347	+	assertNotSame(e, c);
3348	+	}
3349	+
3350	+	/**
3351	+	* failedFuture returns a CompletableFuture completed
3352	+	* exceptionally with the given Exception
3353	+	*/
3354	+	public void testFailedFuture() {
3355	+	CFException ex = new CFException();
3356	+	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3357	+	checkCompletedExceptionally(f, ex);
3358	+	}
3359	+
3360	+	/**
3361	+	* failedFuture(null) throws NPE
3362	+	*/
3363	+	public void testFailedFuture_null() {
3364	+	try {
3365	+	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3366	+	shouldThrow();
3367	+	} catch (NullPointerException success) {}
3368	+	}
3369	+
3370	+	/**
3371	+	* copy returns a CompletableFuture that is completed normally,
3372	+	* with the same value, when source is.
3373	+	*/
3374	+	public void testCopy() {
3375	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3376	+	CompletableFuture<Integer> g = f.copy();
3377	+	checkIncomplete(f);
3378	+	checkIncomplete(g);
3379	+	f.complete(1);
3380	+	checkCompletedNormally(f, 1);
3381	+	checkCompletedNormally(g, 1);
3382	+	}
3383	+
3384	+	/**
3385	+	* copy returns a CompletableFuture that is completed exceptionally
3386	+	* when source is.
3387	+	*/
3388	+	public void testCopy2() {
3389	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3390	+	CompletableFuture<Integer> g = f.copy();
3391	+	checkIncomplete(f);
3392	+	checkIncomplete(g);
3393	+	CFException ex = new CFException();
3394	+	f.completeExceptionally(ex);
3395	+	checkCompletedExceptionally(f, ex);
3396	+	checkCompletedWithWrappedException(g, ex);
3397	+	}
3398	+
3399	+	/**
3400	+	* minimalCompletionStage returns a CompletableFuture that is
3401	+	* completed normally, with the same value, when source is.
3402	+	*/
3403	+	public void testMinimalCompletionStage() {
3404	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3405	+	CompletionStage<Integer> g = f.minimalCompletionStage();
3406	+	AtomicInteger x = new AtomicInteger(0);
3407	+	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3408	+	checkIncomplete(f);
3409	+	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3410	+	f.complete(1);
3411	+	checkCompletedNormally(f, 1);
3412	+	assertEquals(x.get(), 1);
3413	+	assertNull(r.get());
3414	+	}
3415	+
3416	+	/**
3417	+	* minimalCompletionStage returns a CompletableFuture that is
3418	+	* completed exceptionally when source is.
3419	+	*/
3420	+	public void testMinimalCompletionStage2() {
3421	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3422	+	CompletionStage<Integer> g = f.minimalCompletionStage();
3423	+	AtomicInteger x = new AtomicInteger(0);
3424	+	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3425	+	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3426	+	checkIncomplete(f);
3427	+	CFException ex = new CFException();
3428	+	f.completeExceptionally(ex);
3429	+	checkCompletedExceptionally(f, ex);
3430	+	assertEquals(x.get(), 0);
3431	+	assertEquals(r.get().getCause(), ex);
3432	+	}
3433	+
3434	+	/**
3435	+	* failedStage returns a CompletionStage completed
3436	+	* exceptionally with the given Exception
3437	+	*/
3438	+	public void testFailedStage() {
3439	+	CFException ex = new CFException();
3440	+	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3441	+	AtomicInteger x = new AtomicInteger(0);
3442	+	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3443	+	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3444	+	assertEquals(x.get(), 0);
3445	+	assertEquals(r.get(), ex);
3446	+	}
3447	+
3448	+	/**
3449	+	* completeAsync completes with value of given supplier
3450	+	*/
3451	+	public void testCompleteAsync() {
3452	+	for (Integer v1 : new Integer[] { 1, null })
3453	+	{
3454	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3455	+	f.completeAsync(() -> v1);
3456	+	f.join();
3457	+	checkCompletedNormally(f, v1);
3458	+	}}
3459	+
3460	+	/**
3461	+	* completeAsync completes exceptionally if given supplier throws
3462	+	*/
3463	+	public void testCompleteAsync2() {
3464	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3465	+	CFException ex = new CFException();
3466	+	f.completeAsync(() -> {if (true) throw ex; return 1;});
3467	+	try {
3468	+	f.join();
3469	+	shouldThrow();
3470	+	} catch (CompletionException success) {}
3471	+	checkCompletedWithWrappedException(f, ex);
3472	+	}
3473	+
3474	+	/**
3475	+	* completeAsync with given executor completes with value of given supplier
3476	+	*/
3477	+	public void testCompleteAsync3() {
3478	+	for (Integer v1 : new Integer[] { 1, null })
3479	+	{
3480	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3481	+	ThreadExecutor executor = new ThreadExecutor();
3482	+	f.completeAsync(() -> v1, executor);
3483	+	assertSame(v1, f.join());
3484	+	checkCompletedNormally(f, v1);
3485	+	assertEquals(1, executor.count.get());
3486	+	}}
3487	+
3488	+	/**
3489	+	* completeAsync with given executor completes exceptionally if
3490	+	* given supplier throws
3491	+	*/
3492	+	public void testCompleteAsync4() {
3493	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3494	+	CFException ex = new CFException();
3495	+	ThreadExecutor executor = new ThreadExecutor();
3496	+	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3497	+	try {
3498	+	f.join();
3499	+	shouldThrow();
3500	+	} catch (CompletionException success) {}
3501	+	checkCompletedWithWrappedException(f, ex);
3502	+	assertEquals(1, executor.count.get());
3503	+	}
3504	+
3505	+	/**
3506	+	* orTimeout completes with TimeoutException if not complete
3507	+	*/
3508	+	public void testOrTimeout_timesOut() {
3509	+	long timeoutMillis = timeoutMillis();
3510	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3511	+	long startTime = System.nanoTime();
3512	+	f.orTimeout(timeoutMillis, MILLISECONDS);
3513	+	checkCompletedWithTimeoutException(f);
3514	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3515	+	}
3516	+
3517	+	/**
3518	+	* orTimeout completes normally if completed before timeout
3519	+	*/
3520	+	public void testOrTimeout_completed() {
3521	+	for (Integer v1 : new Integer[] { 1, null })
3522	+	{
3523	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3524	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3525	+	long startTime = System.nanoTime();
3526	+	f.complete(v1);
3527	+	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3528	+	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3529	+	g.complete(v1);
3530	+	checkCompletedNormally(f, v1);
3531	+	checkCompletedNormally(g, v1);
3532	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3533	+	}}
3534	+
3535	+	/**
3536	+	* completeOnTimeout completes with given value if not complete
3537	+	*/
3538	+	public void testCompleteOnTimeout_timesOut() {
3539	+	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3540	+	() -> testCompleteOnTimeout_timesOut(null));
3541	+	}
3542	+
3543	+	public void testCompleteOnTimeout_timesOut(Integer v) {
3544	+	long timeoutMillis = timeoutMillis();
3545	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3546	+	long startTime = System.nanoTime();
3547	+	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3548	+	assertSame(v, f.join());
3549	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3550	+	f.complete(99);         // should have no effect
3551	+	checkCompletedNormally(f, v);
3552	+	}
3553	+
3554	+	/**
3555	+	* completeOnTimeout has no effect if completed within timeout
3556	+	*/
3557	+	public void testCompleteOnTimeout_completed() {
3558	+	for (Integer v1 : new Integer[] { 1, null })
3559	+	{
3560	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3561	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3562	+	long startTime = System.nanoTime();
3563	+	f.complete(v1);
3564	+	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3565	+	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3566	+	g.complete(v1);
3567	+	checkCompletedNormally(f, v1);
3568	+	checkCompletedNormally(g, v1);
3569	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3570	+	}}
3571	+
3572	+	/**
3573	+	* delayedExecutor returns an executor that delays submission
3574	+	*/
3575	+	public void testDelayedExecutor() {
3576	+	testInParallel(() -> testDelayedExecutor(null, null),
3577	+	() -> testDelayedExecutor(null, 1),
3578	+	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3579	+	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3580	+	}
3581	+
3582	+	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3583	+	long timeoutMillis = timeoutMillis();
3584	+	// Use an "unreasonably long" long timeout to catch lingering threads
3585	+	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3586	+	final Executor delayer, longDelayer;
3587	+	if (executor == null) {
3588	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3589	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3590	+	} else {
3591	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3592	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3593	+	}
3594	+	long startTime = System.nanoTime();
3595	+	CompletableFuture<Integer> f =
3596	+	CompletableFuture.supplyAsync(() -> v, delayer);
3597	+	CompletableFuture<Integer> g =
3598	+	CompletableFuture.supplyAsync(() -> v, longDelayer);
3599	+
3600	+	assertNull(g.getNow(null));
3601	+
3602	+	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3603	+	long millisElapsed = millisElapsedSince(startTime);
3604	+	assertTrue(millisElapsed >= timeoutMillis);
3605	+	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3606	+
3607	+	checkCompletedNormally(f, v);
3608	+
3609	+	checkIncomplete(g);
3610	+	assertTrue(g.cancel(true));
3611	+	}
3612	+
3613	+	//--- tests of implementation details; not part of official tck ---
3614	+
3615	+	Object resultOf(CompletableFuture<?> f) {
3616	+	try {
3617	+	java.lang.reflect.Field resultField
3618	+	= CompletableFuture.class.getDeclaredField("result");
3619	+	resultField.setAccessible(true);
3620	+	return resultField.get(f);
3621	+	} catch (Throwable t) { throw new AssertionError(t); }
3622	+	}
3623	+
3624	+	public void testExceptionPropagationReusesResultObject() {
3625	+	if (!testImplementationDetails) return;
3626	+	for (ExecutionMode m : ExecutionMode.values())
3627	+	{
3628	+	final CFException ex = new CFException();
3629	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3630	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3631	+
3632	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3633	+	= new ArrayList<>();
3634	+
3635	+	funs.add((y) -> m.thenRun(y, new Noop(m)));
3636	+	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3637	+	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3638	+
3639	+	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3640	+	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3641	+	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3642	+
3643	+	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3644	+	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3645	+	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3646	+
3647	+	funs.add((y) -> m.whenComplete(y, (Integer x, Throwable t) -> {}));
3648	+
3649	+	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3650	+
3651	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3652	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3653	+
3654	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3655	+	fun : funs) {
3656	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3657	+	f.completeExceptionally(ex);
3658	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3659	+	checkCompletedWithWrappedException(src, ex);
3660	+	CompletableFuture<?> dep = fun.apply(src);
3661	+	checkCompletedWithWrappedException(dep, ex);
3662	+	assertSame(resultOf(src), resultOf(dep));
3663	+	}
3664	+
3665	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3666	+	fun : funs) {
3667	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3668	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3669	+	CompletableFuture<?> dep = fun.apply(src);
3670	+	f.completeExceptionally(ex);
3671	+	checkCompletedWithWrappedException(src, ex);
3672	+	checkCompletedWithWrappedException(dep, ex);
3673	+	assertSame(resultOf(src), resultOf(dep));
3674	+	}
3675	+
3676	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3677	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3678	+	fun : funs) {
3679	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3680	+	f.cancel(mayInterruptIfRunning);
3681	+	checkCancelled(f);
3682	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3683	+	checkCompletedWithWrappedCancellationException(src);
3684	+	CompletableFuture<?> dep = fun.apply(src);
3685	+	checkCompletedWithWrappedCancellationException(dep);
3686	+	assertSame(resultOf(src), resultOf(dep));
3687	+	}
3688	+
3689	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3690	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3691	+	fun : funs) {
3692	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3693	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3694	+	CompletableFuture<?> dep = fun.apply(src);
3695	+	f.cancel(mayInterruptIfRunning);
3696	+	checkCancelled(f);
3697	+	checkCompletedWithWrappedCancellationException(src);
3698	+	checkCompletedWithWrappedCancellationException(dep);
3699	+	assertSame(resultOf(src), resultOf(dep));
3700	+	}
3701	+	}}
3702	+
3703	+	/**
3704	+	* Minimal completion stages throw UOE for all non-CompletionStage methods
3705	+	*/
3706	+	public void testMinimalCompletionStage_minimality() {
3707	+	if (!testImplementationDetails) return;
3708	+	Function<Method, String> toSignature =
3709	+	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3710	+	Predicate<Method> isNotStatic =
3711	+	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3712	+	List<Method> minimalMethods =
3713	+	Stream.of(Object.class, CompletionStage.class)
3714	+	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3715	+	.filter(isNotStatic)
3716	+	.collect(Collectors.toList());
3717	+	// Methods from CompletableFuture permitted NOT to throw UOE
3718	+	String[] signatureWhitelist = {
3719	+	"newIncompleteFuture[]",
3720	+	"defaultExecutor[]",
3721	+	"minimalCompletionStage[]",
3722	+	"copy[]",
3723	+	};
3724	+	Set<String> permittedMethodSignatures =
3725	+	Stream.concat(minimalMethods.stream().map(toSignature),
3726	+	Stream.of(signatureWhitelist))
3727	+	.collect(Collectors.toSet());
3728	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3729	+	.filter(isNotStatic)
3730	+	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3731	+	.collect(Collectors.toList());
3732	+
3733	+	CompletionStage<Integer> minimalStage =
3734	+	new CompletableFuture<Integer>().minimalCompletionStage();
3735	+
3736	+	List<Method> bugs = new ArrayList<>();
3737	+	for (Method method : allMethods) {
3738	+	Class<?>[] parameterTypes = method.getParameterTypes();
3739	+	Object[] args = new Object[parameterTypes.length];
3740	+	// Manufacture boxed primitives for primitive params
3741	+	for (int i = 0; i < args.length; i++) {
3742	+	Class<?> type = parameterTypes[i];
3743	+	if (parameterTypes[i] == boolean.class)
3744	+	args[i] = false;
3745	+	else if (parameterTypes[i] == int.class)
3746	+	args[i] = 0;
3747	+	else if (parameterTypes[i] == long.class)
3748	+	args[i] = 0L;
3749	+	}
3750	+	try {
3751	+	method.invoke(minimalStage, args);
3752	+	bugs.add(method);
3753	+	}
3754	+	catch (java.lang.reflect.InvocationTargetException expected) {
3755	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3756	+	bugs.add(method);
3757	+	// expected.getCause().printStackTrace();
3758	+	}
3759	+	}
3760	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3761	+	}
3762	+	if (!bugs.isEmpty())
3763	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3764	+	}
3765	+
3766	+	static class Monad {
3767	+	static class ZeroException extends RuntimeException {
3768	+	public ZeroException() { super("monadic zero"); }
3769	+	}
3770	+	// "return", "unit"
3771	+	static <T> CompletableFuture<T> unit(T value) {
3772	+	return completedFuture(value);
3773	+	}
3774	+	// monadic zero ?
3775	+	static <T> CompletableFuture<T> zero() {
3776	+	return failedFuture(new ZeroException());
3777	+	}
3778	+	// >=>
3779	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3780	+	(Function<T, CompletableFuture<U>> f,
3781	+	Function<U, CompletableFuture<V>> g) {
3782	+	return (x) -> f.apply(x).thenCompose(g);
3783	+	}
3784	+
3785	+	static void assertZero(CompletableFuture<?> f) {
3786	+	try {
3787	+	f.getNow(null);
3788	+	throw new AssertionFailedError("should throw");
3789	+	} catch (CompletionException success) {
3790	+	assertTrue(success.getCause() instanceof ZeroException);
3791	+	}
3792	+	}
3793	+
3794	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3795	+	CompletableFuture<T> g) {
3796	+	T fval = null, gval = null;
3797	+	Throwable fex = null, gex = null;
3798	+
3799	+	try { fval = f.get(); }
3800	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3801	+	catch (Throwable ex) { fex = ex; }
3802	+
3803	+	try { gval = g.get(); }
3804	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3805	+	catch (Throwable ex) { gex = ex; }
3806	+
3807	+	if (fex != null || gex != null)
3808	+	assertSame(fex.getClass(), gex.getClass());
3809	+	else
3810	+	assertEquals(fval, gval);
3811	+	}
3812	+
3813	+	static class PlusFuture<T> extends CompletableFuture<T> {
3814	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3815	+	}
3816	+
3817	+	// Monadic "plus"
3818	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3819	+	CompletableFuture<? extends T> g) {
3820	+	PlusFuture<T> plus = new PlusFuture<T>();
3821	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3822	+	if (ex == null) {
3823	+	if (plus.complete(result))
3824	+	if (plus.firstFailure.get() != null)
3825	+	plus.firstFailure.set(null);
3826	+	}
3827	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
3828	+	if (plus.isDone())
3829	+	plus.firstFailure.set(null);
3830	+	}
3831	+	else {
3832	+	// first failure has precedence
3833	+	Throwable first = plus.firstFailure.getAndSet(null);
3834	+
3835	+	// may fail with "Self-suppression not permitted"
3836	+	try { first.addSuppressed(ex); }
3837	+	catch (Exception ignored) {}
3838	+
3839	+	plus.completeExceptionally(first);
3840	+	}
3841	+	};
3842	+	f.whenComplete(action);
3843	+	g.whenComplete(action);
3844	+	return plus;
3845	+	}
3846	+	}
3847	+
3848	+	/**
3849	+	* CompletableFuture is an additive monad - sort of.
3850	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3851	+	*/
3852	+	public void testAdditiveMonad() throws Throwable {
3853	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3854	+	CompletableFuture<Long> zero = Monad.zero();
3855	+
3856	+	// Some mutually non-commutative functions
3857	+	Function<Long, CompletableFuture<Long>> triple
3858	+	= (x) -> Monad.unit(3 * x);
3859	+	Function<Long, CompletableFuture<Long>> inc
3860	+	= (x) -> Monad.unit(x + 1);
3861	+
3862	+	// unit is a right identity: m >>= unit === m
3863	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3864	+	inc.apply(5L));
3865	+	// unit is a left identity: (unit x) >>= f === f x
3866	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3867	+	inc.apply(5L));
3868	+
3869	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3870	+	Monad.assertFutureEquals(
3871	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3872	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3873	+
3874	+	// The case for CompletableFuture as an additive monad is weaker...
3875	+
3876	+	// zero is a monadic zero
3877	+	Monad.assertZero(zero);
3878	+
3879	+	// left zero: zero >>= f === zero
3880	+	Monad.assertZero(zero.thenCompose(inc));
3881	+	// right zero: f >>= (\x -> zero) === zero
3882	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3883	+
3884	+	// f plus zero === f
3885	+	Monad.assertFutureEquals(Monad.unit(5L),
3886	+	Monad.plus(Monad.unit(5L), zero));
3887	+	// zero plus f === f
3888	+	Monad.assertFutureEquals(Monad.unit(5L),
3889	+	Monad.plus(zero, Monad.unit(5L)));
3890	+	// zero plus zero === zero
3891	+	Monad.assertZero(Monad.plus(zero, zero));
3892	+	{
3893	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3894	+	Monad.unit(8L));
3895	+	// non-determinism
3896	+	assertTrue(f.get() == 5L || f.get() == 8L);
3897	+	}
3898	+
3899	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3900	+	// f plus godot === f (doesn't wait for godot)
3901	+	Monad.assertFutureEquals(Monad.unit(5L),
3902	+	Monad.plus(Monad.unit(5L), godot));
3903	+	// godot plus f === f (doesn't wait for godot)
3904	+	Monad.assertFutureEquals(Monad.unit(5L),
3905	+	Monad.plus(godot, Monad.unit(5L)));
3906	+	}
3907	+
3908	+	//     static <U> U join(CompletionStage<U> stage) {
3909	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3910	+	//         stage.whenComplete((v, ex) -> {
3911	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3912	+	//         });
3913	+	//         return f.join();
3914	+	//     }
3915	+
3916	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3917	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3918	+	//         stage.whenComplete((v, ex) -> {
3919	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3920	+	//         });
3921	+	//         return f.isDone();
3922	+	//     }
3923	+
3924	+	//     static <U> U join2(CompletionStage<U> stage) {
3925	+	//         return stage.toCompletableFuture().copy().join();
3926	+	//     }
3927	+
3928	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3929	+	//         return stage.toCompletableFuture().copy().isDone();
3930	+	//     }
3931	+
3932		}

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