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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.62 by jsr166, Fri Jun 6 01:19:22 2014 UTC vs.
Revision 1.135 by jsr166, Sun Nov 15 20:03:08 2015 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31		import java.util.concurrent.ForkJoinPool;
32		import java.util.concurrent.ForkJoinTask;
33		import java.util.concurrent.TimeoutException;
34	+	import java.util.concurrent.TimeUnit;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
25	<	import static java.util.concurrent.TimeUnit.SECONDS;
26	<	import java.util.*;
27	<	import java.util.function.Supplier;
28	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
30	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.AssertionFailedError;
45	+	import junit.framework.Test;
46	+	import junit.framework.TestSuite;
47
48		public class CompletableFutureTest extends JSR166TestCase {
49
50		public static void main(String[] args) {
51	<	junit.textui.TestRunner.run(suite());
51	>	main(suite(), args);
52		}
53		public static Test suite() {
54		return new TestSuite(CompletableFutureTest.class);
#	Line 44 | Line 59 | public class CompletableFutureTest exten
59		void checkIncomplete(CompletableFuture<?> f) {
60		assertFalse(f.isDone());
61		assertFalse(f.isCancelled());
62	<	assertTrue(f.toString().contains("[Not completed]"));
62	>	assertTrue(f.toString().contains("Not completed"));
63		try {
64		assertNull(f.getNow(null));
65		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 57 | Line 72 | public class CompletableFutureTest exten
72		}
73
74		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
75	<	try {
76	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
62	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 75 | Line 89 | public class CompletableFutureTest exten
89		assertTrue(f.toString().contains("[Completed normally]"));
90		}
91
92	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
93	<	try {
94	<	f.get(LONG_DELAY_MS, MILLISECONDS);
95	<	shouldThrow();
96	<	} catch (ExecutionException success) {
97	<	assertTrue(success.getCause() instanceof CFException);
98	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
99	<	try {
100	<	f.join();
101	<	shouldThrow();
102	<	} catch (CompletionException success) {
103	<	assertTrue(success.getCause() instanceof CFException);
104	<	}
105	<	try {
106	<	f.getNow(null);
107	<	shouldThrow();
108	<	} catch (CompletionException success) {
95	<	assertTrue(success.getCause() instanceof CFException);
92	>	/**
93	>	* Returns the "raw" internal exceptional completion of f,
94	>	* without any additional wrapping with CompletionException.
95	>	*/
96	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
97	>	// handle (and whenComplete) can distinguish between "direct"
98	>	// and "wrapped" exceptional completion
99	>	return f.handle((U u, Throwable t) -> t).join();
100	>	}
101	>
102	>	void checkCompletedExceptionally(CompletableFuture<?> f,
103	>	boolean wrapped,
104	>	Consumer<Throwable> checker) {
105	>	Throwable cause = exceptionalCompletion(f);
106	>	if (wrapped) {
107	>	assertTrue(cause instanceof CompletionException);
108	>	cause = cause.getCause();
109		}
110	<	try {
98	<	f.get();
99	<	shouldThrow();
100	<	} catch (ExecutionException success) {
101	<	assertTrue(success.getCause() instanceof CFException);
102	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
103	<	assertTrue(f.isDone());
104	<	assertFalse(f.isCancelled());
105	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
106	<	}
110	>	checker.accept(cause);
111
112	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
109	<	CFException 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	<	assertTrue(f.isDone());
141	>
142		assertFalse(f.isCancelled());
143	+	assertTrue(f.isDone());
144	+	assertTrue(f.isCompletedExceptionally());
145		assertTrue(f.toString().contains("[Completed exceptionally]"));
146		}
147
148	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
149	+	checkCompletedExceptionally(f, true,
150	+	(t) -> assertTrue(t instanceof CFException));
151	+	}
152	+
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 155 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} catch (Throwable fail) { threadUnexpectedException(fail); }
158	–	assertTrue(f.isDone());
159	–	assertTrue(f.isCompletedExceptionally());
160	–	assertTrue(f.isCancelled());
161	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
162	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	try {
166	<	f.get(LONG_DELAY_MS, MILLISECONDS);
167	<	shouldThrow();
168	<	} catch (ExecutionException success) {
169	<	assertTrue(success.getCause() instanceof CancellationException);
170	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
171	<	try {
172	<	f.join();
173	<	shouldThrow();
174	<	} catch (CompletionException success) {
175	<	assertTrue(success.getCause() instanceof CancellationException);
176	<	}
177	<	try {
178	<	f.getNow(null);
179	<	shouldThrow();
180	<	} catch (CompletionException success) {
181	<	assertTrue(success.getCause() instanceof CancellationException);
182	<	}
183	<	try {
184	<	f.get();
185	<	shouldThrow();
186	<	} catch (ExecutionException success) {
187	<	assertTrue(success.getCause() instanceof CancellationException);
188	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
190	–	assertFalse(f.isCancelled());
198		assertTrue(f.isCompletedExceptionally());
199	+	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 206 | 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 218 | Line 229 | public class CompletableFutureTest exten
229		*/
230		public void testCompleteExceptionally() {
231		CompletableFuture<Integer> f = new CompletableFuture<>();
232	+	CFException ex = new CFException();
233		checkIncomplete(f);
234	<	f.completeExceptionally(new CFException());
235	<	checkCompletedWithWrappedCFException(f);
234	>	f.completeExceptionally(ex);
235	>	checkCompletedExceptionally(f, ex);
236		}
237
238		/**
#	Line 228 | 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 240 | 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 261 | Line 277 | public class CompletableFutureTest exten
277		* obtrudeException forces completion with given exception
278		*/
279		public void testObtrudeException() {
280	<	CompletableFuture<Integer> f = new CompletableFuture<>();
281	<	checkIncomplete(f);
282	<	f.complete(one);
283	<	checkCompletedNormally(f, one);
284	<	f.obtrudeException(new CFException());
269	<	checkCompletedWithWrappedCFException(f);
280	>	for (Integer v1 : new Integer[] { 1, null })
281	>	{
282	>	CFException ex;
283	>	CompletableFuture<Integer> f;
284	>
285		f = new CompletableFuture<>();
286	<	f.obtrudeException(new CFException());
287	<	checkCompletedWithWrappedCFException(f);
286	>	assertTrue(f.complete(v1));
287	>	for (int i = 0; i < 2; i++) {
288	>	f.obtrudeException(ex = new CFException());
289	>	checkCompletedExceptionally(f, ex);
290	>	}
291	>
292	>	f = new CompletableFuture<>();
293	>	for (int i = 0; i < 2; i++) {
294	>	f.obtrudeException(ex = new CFException());
295	>	checkCompletedExceptionally(f, ex);
296	>	}
297	>
298		f = new CompletableFuture<>();
299	+	f.completeExceptionally(ex = new CFException());
300	+	f.obtrudeValue(v1);
301	+	checkCompletedNormally(f, v1);
302	+	f.obtrudeException(ex = new CFException());
303	+	checkCompletedExceptionally(f, ex);
304		f.completeExceptionally(new CFException());
305	<	f.obtrudeValue(four);
306	<	checkCompletedNormally(f, four);
307	<	f.obtrudeException(new CFException());
308	<	checkCompletedWithWrappedCFException(f);
279	<	}
305	>	checkCompletedExceptionally(f, ex);
306	>	assertFalse(f.complete(v1));
307	>	checkCompletedExceptionally(f, ex);
308	>	}}
309
310		/**
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 304 | 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());
346	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
347		assertTrue(f.toString().contains("[Completed exceptionally]"));
348	+
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 360 | Line 401 | public class CompletableFutureTest exten
401		return (x == null) ? null : x + 1;
402		}
403
404	<	class IncAction extends CheckedIntegerAction
404	>	class NoopConsumer extends CheckedIntegerAction
405		implements Consumer<Integer>
406		{
407	<	IncAction(ExecutionMode m) { super(m); }
407	>	NoopConsumer(ExecutionMode m) { super(m); }
408		public void accept(Integer x) {
409		invoked();
410	<	value = inc(x);
410	>	value = x;
411		}
412		}
413
#	Line 415 | Line 456 | public class CompletableFutureTest exten
456		}
457		}
458
459	<	class FailingSupplier extends CheckedAction implements Supplier<Integer>
459	>	class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461		{
462		FailingSupplier(ExecutionMode m) { super(m); }
463		public Integer get() {
#	Line 424 | Line 466 | public class CompletableFutureTest exten
466		}
467		}
468
469	<	class FailingConsumer extends CheckedAction implements Consumer<Integer> {
469	>	class FailingConsumer extends CheckedIntegerAction
470	>	implements Consumer<Integer>
471	>	{
472		FailingConsumer(ExecutionMode m) { super(m); }
473		public void accept(Integer x) {
474		invoked();
475	+	value = x;
476		throw new CFException();
477		}
478		}
479
480	<	class FailingBiConsumer extends CheckedAction
480	>	class FailingBiConsumer extends CheckedIntegerAction
481		implements BiConsumer<Integer, Integer>
482		{
483		FailingBiConsumer(ExecutionMode m) { super(m); }
484		public void accept(Integer x, Integer y) {
485		invoked();
486	+	value = subtract(x, y);
487		throw new CFException();
488		}
489		}
490
491	<	class FailingFunction extends CheckedAction
491	>	class FailingFunction extends CheckedIntegerAction
492		implements Function<Integer, Integer>
493		{
494		FailingFunction(ExecutionMode m) { super(m); }
495		public Integer apply(Integer x) {
496		invoked();
497	+	value = x;
498		throw new CFException();
499		}
500		}
501
502	<	class FailingBiFunction extends CheckedAction
502	>	class FailingBiFunction extends CheckedIntegerAction
503		implements BiFunction<Integer, Integer, Integer>
504		{
505		FailingBiFunction(ExecutionMode m) { super(m); }
506		public Integer apply(Integer x, Integer y) {
507		invoked();
508	+	value = subtract(x, y);
509		throw new CFException();
510		}
511		}
#	Line 470 | Line 518 | public class CompletableFutureTest exten
518		}
519		}
520
521	<
474	<	class CompletableFutureInc extends CheckedAction
521	>	class CompletableFutureInc extends CheckedIntegerAction
522		implements Function<Integer, CompletableFuture<Integer>>
523		{
524		CompletableFutureInc(ExecutionMode m) { super(m); }
525		public CompletableFuture<Integer> apply(Integer x) {
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		}
533
534	<	class FailingCompletableFutureFunction extends CheckedAction
534	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
535		implements Function<Integer, CompletableFuture<Integer>>
536		{
537		FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
538		public CompletableFuture<Integer> apply(Integer x) {
539		invoked();
540	+	value = x;
541		throw new CFException();
542		}
543		}
#	Line 507 | 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 588 | 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 785 | 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) -> {
791	–	// 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);
851		assertEquals(0, a.get());
852		}}
853
802	–
854		/**
855		* exceptionally action completes with function value on source
856		* exception
#	Line 814 | 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 827 | Line 878 | public class CompletableFutureTest exten
878
879		public void testExceptionally_exceptionalCompletionActionFailed() {
880		for (boolean createIncomplete : new boolean[] { true, false })
830	–	for (Integer v1 : new Integer[] { 1, null })
881		{
882		final AtomicInteger a = new AtomicInteger(0);
883		final CFException ex1 = new CFException();
#	Line 836 | 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;
893		});
894		if (createIncomplete) f.completeExceptionally(ex1);
895
896	<	checkCompletedWithWrappedCFException(g, ex2);
896	>	checkCompletedWithWrappedException(g, ex2);
897	>	assertEquals(1, a.get());
898	>	}}
899	>
900	>	/**
901	>	* whenComplete action executes on normal completion, propagating
902	>	* source result.
903	>	*/
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) assertTrue(f.complete(v1));
912	>	final CompletableFuture<Integer> g = m.whenComplete
913	>	(f,
914	>	(Integer result, Throwable t) -> {
915	>	m.checkExecutionMode();
916	>	threadAssertSame(result, v1);
917	>	threadAssertNull(t);
918	>	a.getAndIncrement();
919	>	});
920	>	if (createIncomplete) assertTrue(f.complete(v1));
921	>
922	>	checkCompletedNormally(g, v1);
923	>	checkCompletedNormally(f, v1);
924	>	assertEquals(1, a.get());
925	>	}}
926	>
927	>	/**
928	>	* whenComplete action executes on exceptional completion, propagating
929	>	* source result.
930	>	*/
931	>	public void testWhenComplete_exceptionalCompletion() {
932	>	for (ExecutionMode m : ExecutionMode.values())
933	>	for (boolean createIncomplete : new boolean[] { true, false })
934	>	{
935	>	final AtomicInteger a = new AtomicInteger(0);
936	>	final CFException ex = new CFException();
937	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
938	>	if (!createIncomplete) f.completeExceptionally(ex);
939	>	final CompletableFuture<Integer> g = m.whenComplete
940	>	(f,
941	>	(Integer result, Throwable t) -> {
942	>	m.checkExecutionMode();
943	>	threadAssertNull(result);
944	>	threadAssertSame(t, ex);
945	>	a.getAndIncrement();
946	>	});
947	>	if (createIncomplete) f.completeExceptionally(ex);
948	>
949	>	checkCompletedWithWrappedException(g, ex);
950	>	checkCompletedExceptionally(f, ex);
951	>	assertEquals(1, a.get());
952	>	}}
953	>
954	>	/**
955	>	* whenComplete action executes on cancelled source, propagating
956	>	* CancellationException.
957	>	*/
958	>	public void testWhenComplete_sourceCancelled() {
959	>	for (ExecutionMode m : ExecutionMode.values())
960	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
961	>	for (boolean createIncomplete : new boolean[] { true, false })
962	>	{
963	>	final AtomicInteger a = new AtomicInteger(0);
964	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
965	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
966	>	final CompletableFuture<Integer> g = m.whenComplete
967	>	(f,
968	>	(Integer result, Throwable t) -> {
969	>	m.checkExecutionMode();
970	>	threadAssertNull(result);
971	>	threadAssertTrue(t instanceof CancellationException);
972	>	a.getAndIncrement();
973	>	});
974	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
975	>
976	>	checkCompletedWithWrappedCancellationException(g);
977	>	checkCancelled(f);
978	>	assertEquals(1, a.get());
979	>	}}
980	>
981	>	/**
982	>	* If a whenComplete action throws an exception when triggered by
983	>	* a normal completion, it completes exceptionally
984	>	*/
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 })
989	>	{
990	>	final AtomicInteger a = new AtomicInteger(0);
991	>	final CFException ex = new CFException();
992	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
993	>	if (!createIncomplete) assertTrue(f.complete(v1));
994	>	final CompletableFuture<Integer> g = m.whenComplete
995	>	(f,
996	>	(Integer result, Throwable t) -> {
997	>	m.checkExecutionMode();
998	>	threadAssertSame(result, v1);
999	>	threadAssertNull(t);
1000	>	a.getAndIncrement();
1001	>	throw ex;
1002	>	});
1003	>	if (createIncomplete) assertTrue(f.complete(v1));
1004	>
1005	>	checkCompletedWithWrappedException(g, ex);
1006	>	checkCompletedNormally(f, v1);
1007	>	assertEquals(1, a.get());
1008	>	}}
1009	>
1010	>	/**
1011	>	* If a whenComplete action throws an exception when triggered by
1012	>	* a source completion that also throws an exception, the source
1013	>	* exception takes precedence (unlike handle)
1014	>	*/
1015	>	public void testWhenComplete_sourceFailedActionFailed() {
1016	>	for (boolean createIncomplete : new boolean[] { true, false })
1017	>	for (ExecutionMode m : ExecutionMode.values())
1018	>	{
1019	>	final AtomicInteger a = new AtomicInteger(0);
1020	>	final CFException ex1 = new CFException();
1021	>	final CFException ex2 = new CFException();
1022	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1023	>
1024	>	if (!createIncomplete) f.completeExceptionally(ex1);
1025	>	final CompletableFuture<Integer> g = m.whenComplete
1026	>	(f,
1027	>	(Integer result, Throwable t) -> {
1028	>	m.checkExecutionMode();
1029	>	threadAssertSame(t, ex1);
1030	>	threadAssertNull(result);
1031	>	a.getAndIncrement();
1032	>	throw ex2;
1033	>	});
1034	>	if (createIncomplete) f.completeExceptionally(ex1);
1035	>
1036	>	checkCompletedWithWrappedException(g, ex1);
1037	>	checkCompletedExceptionally(f, ex1);
1038		assertEquals(1, a.get());
1039		}}
1040
#	Line 858 | 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) -> {
1055	>	(Integer result, Throwable t) -> {
1056		m.checkExecutionMode();
1057	<	threadAssertSame(x, v1);
1057	>	threadAssertSame(result, v1);
1058		threadAssertNull(t);
1059		a.getAndIncrement();
1060		return inc(v1);
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 890 | Line 1081 | public class CompletableFutureTest exten
1081		if (!createIncomplete) f.completeExceptionally(ex);
1082		final CompletableFuture<Integer> g = m.handle
1083		(f,
1084	<	(Integer x, Throwable t) -> {
1084	>	(Integer result, Throwable t) -> {
1085		m.checkExecutionMode();
1086	<	threadAssertNull(x);
1086	>	threadAssertNull(result);
1087		threadAssertSame(t, ex);
1088		a.getAndIncrement();
1089		return v1;
#	Line 900 | Line 1091 | public class CompletableFutureTest exten
1091		if (createIncomplete) f.completeExceptionally(ex);
1092
1093		checkCompletedNormally(g, v1);
1094	<	checkCompletedWithWrappedCFException(f, ex);
1094	>	checkCompletedExceptionally(f, ex);
1095		assertEquals(1, a.get());
1096		}}
1097
#	Line 919 | Line 1110 | public class CompletableFutureTest exten
1110		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1111		final CompletableFuture<Integer> g = m.handle
1112		(f,
1113	<	(Integer x, Throwable t) -> {
1113	>	(Integer result, Throwable t) -> {
1114		m.checkExecutionMode();
1115	<	threadAssertNull(x);
1115	>	threadAssertNull(result);
1116		threadAssertTrue(t instanceof CancellationException);
1117		a.getAndIncrement();
1118		return v1;
#	Line 934 | Line 1125 | public class CompletableFutureTest exten
1125		}}
1126
1127		/**
1128	<	* handle result completes exceptionally if action does
1128	>	* If a "handle action" throws an exception when triggered by
1129	>	* a normal completion, it completes exceptionally
1130		*/
1131	<	public void testHandle_sourceFailedActionFailed() {
1131	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1132		for (ExecutionMode m : ExecutionMode.values())
1133		for (boolean createIncomplete : new boolean[] { true, false })
1134	+	for (Integer v1 : new Integer[] { 1, null })
1135		{
1136		final CompletableFuture<Integer> f = new CompletableFuture<>();
1137		final AtomicInteger a = new AtomicInteger(0);
1138	<	final CFException ex1 = new CFException();
1139	<	final CFException ex2 = new CFException();
947	<	if (!createIncomplete) f.completeExceptionally(ex1);
1138	>	final CFException ex = new CFException();
1139	>	if (!createIncomplete) assertTrue(f.complete(v1));
1140		final CompletableFuture<Integer> g = m.handle
1141		(f,
1142	<	(Integer x, Throwable t) -> {
1142	>	(Integer result, Throwable t) -> {
1143		m.checkExecutionMode();
1144	<	threadAssertNull(x);
1145	<	threadAssertSame(ex1, t);
1144	>	threadAssertSame(result, v1);
1145	>	threadAssertNull(t);
1146		a.getAndIncrement();
1147	<	throw ex2;
1147	>	throw ex;
1148		});
1149	<	if (createIncomplete) f.completeExceptionally(ex1);
1149	>	if (createIncomplete) assertTrue(f.complete(v1));
1150
1151	<	checkCompletedWithWrappedCFException(g, ex2);
1152	<	checkCompletedWithWrappedCFException(f, ex1);
1151	>	checkCompletedWithWrappedException(g, ex);
1152	>	checkCompletedNormally(f, v1);
1153		assertEquals(1, a.get());
1154		}}
1155
1156	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1157	<	for (ExecutionMode m : ExecutionMode.values())
1156	>	/**
1157	>	* If a "handle action" throws an exception when triggered by
1158	>	* a source completion that also throws an exception, the action
1159	>	* exception takes precedence (unlike whenComplete)
1160	>	*/
1161	>	public void testHandle_sourceFailedActionFailed() {
1162		for (boolean createIncomplete : new boolean[] { true, false })
1163	<	for (Integer v1 : new Integer[] { 1, null })
1163	>	for (ExecutionMode m : ExecutionMode.values())
1164		{
969	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1165		final AtomicInteger a = new AtomicInteger(0);
1166	<	final CFException ex = new CFException();
1167	<	if (!createIncomplete) f.complete(v1);
1166	>	final CFException ex1 = new CFException();
1167	>	final CFException ex2 = new CFException();
1168	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1169	>
1170	>	if (!createIncomplete) f.completeExceptionally(ex1);
1171		final CompletableFuture<Integer> g = m.handle
1172		(f,
1173	<	(Integer x, Throwable t) -> {
1173	>	(Integer result, Throwable t) -> {
1174		m.checkExecutionMode();
1175	<	threadAssertSame(x, v1);
1176	<	threadAssertNull(t);
1175	>	threadAssertNull(result);
1176	>	threadAssertSame(ex1, t);
1177		a.getAndIncrement();
1178	<	throw ex;
1178	>	throw ex2;
1179		});
1180	<	if (createIncomplete) f.complete(v1);
1180	>	if (createIncomplete) f.completeExceptionally(ex1);
1181
1182	<	checkCompletedWithWrappedCFException(g, ex);
1183	<	checkCompletedNormally(f, v1);
1182	>	checkCompletedWithWrappedException(g, ex2);
1183	>	checkCompletedExceptionally(f, ex1);
1184		assertEquals(1, a.get());
1185		}}
1186
#	Line 1060 | Line 1258 | public class CompletableFutureTest exten
1258		*/
1259		public void testThenRun_normalCompletion() {
1260		for (ExecutionMode m : ExecutionMode.values())
1063	–	for (boolean createIncomplete : new boolean[] { true, false })
1261		for (Integer v1 : new Integer[] { 1, null })
1262		{
1263		final CompletableFuture<Integer> f = new CompletableFuture<>();
1264	<	final Noop r = new Noop(m);
1265	<	if (!createIncomplete) f.complete(v1);
1069	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1070	<	if (createIncomplete) {
1071	<	checkIncomplete(g);
1072	<	f.complete(v1);
1073	<	}
1264	>	final Noop[] rs = new Noop[6];
1265	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1266
1267	<	checkCompletedNormally(g, null);
1267	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1268	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1269	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1270	>	checkIncomplete(h0);
1271	>	checkIncomplete(h1);
1272	>	checkIncomplete(h2);
1273	>	assertTrue(f.complete(v1));
1274	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1275	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1276	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1277	>
1278	>	checkCompletedNormally(h0, null);
1279	>	checkCompletedNormally(h1, null);
1280	>	checkCompletedNormally(h2, null);
1281	>	checkCompletedNormally(h3, null);
1282	>	checkCompletedNormally(h4, null);
1283	>	checkCompletedNormally(h5, null);
1284		checkCompletedNormally(f, v1);
1285	<	r.assertInvoked();
1285	>	for (Noop r : rs) r.assertInvoked();
1286		}}
1287
1288		/**
#	Line 1083 | Line 1291 | public class CompletableFutureTest exten
1291		*/
1292		public void testThenRun_exceptionalCompletion() {
1293		for (ExecutionMode m : ExecutionMode.values())
1086	–	for (boolean createIncomplete : new boolean[] { true, false })
1294		{
1295		final CFException ex = new CFException();
1296		final CompletableFuture<Integer> f = new CompletableFuture<>();
1297	<	final Noop r = new Noop(m);
1298	<	if (!createIncomplete) f.completeExceptionally(ex);
1092	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1093	<	if (createIncomplete) {
1094	<	checkIncomplete(g);
1095	<	f.completeExceptionally(ex);
1096	<	}
1297	>	final Noop[] rs = new Noop[6];
1298	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1299
1300	<	checkCompletedWithWrappedCFException(g, ex);
1301	<	checkCompletedWithWrappedCFException(f, ex);
1302	<	r.assertNotInvoked();
1300	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1301	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1302	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1303	>	checkIncomplete(h0);
1304	>	checkIncomplete(h1);
1305	>	checkIncomplete(h2);
1306	>	assertTrue(f.completeExceptionally(ex));
1307	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1308	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1309	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1310	>
1311	>	checkCompletedWithWrappedException(h0, ex);
1312	>	checkCompletedWithWrappedException(h1, ex);
1313	>	checkCompletedWithWrappedException(h2, ex);
1314	>	checkCompletedWithWrappedException(h3, ex);
1315	>	checkCompletedWithWrappedException(h4, ex);
1316	>	checkCompletedWithWrappedException(h5, ex);
1317	>	checkCompletedExceptionally(f, ex);
1318	>	for (Noop r : rs) r.assertNotInvoked();
1319		}}
1320
1321		/**
#	Line 1105 | Line 1323 | public class CompletableFutureTest exten
1323		*/
1324		public void testThenRun_sourceCancelled() {
1325		for (ExecutionMode m : ExecutionMode.values())
1108	–	for (boolean createIncomplete : new boolean[] { true, false })
1326		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1327		{
1328		final CompletableFuture<Integer> f = new CompletableFuture<>();
1329	<	final Noop r = new Noop(m);
1330	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1114	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1115	<	if (createIncomplete) {
1116	<	checkIncomplete(g);
1117	<	assertTrue(f.cancel(mayInterruptIfRunning));
1118	<	}
1329	>	final Noop[] rs = new Noop[6];
1330	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1331
1332	<	checkCompletedWithWrappedCancellationException(g);
1332	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1333	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1334	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1335	>	checkIncomplete(h0);
1336	>	checkIncomplete(h1);
1337	>	checkIncomplete(h2);
1338	>	assertTrue(f.cancel(mayInterruptIfRunning));
1339	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1340	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1341	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1342	>
1343	>	checkCompletedWithWrappedCancellationException(h0);
1344	>	checkCompletedWithWrappedCancellationException(h1);
1345	>	checkCompletedWithWrappedCancellationException(h2);
1346	>	checkCompletedWithWrappedCancellationException(h3);
1347	>	checkCompletedWithWrappedCancellationException(h4);
1348	>	checkCompletedWithWrappedCancellationException(h5);
1349		checkCancelled(f);
1350	<	r.assertNotInvoked();
1350	>	for (Noop r : rs) r.assertNotInvoked();
1351		}}
1352
1353		/**
#	Line 1127 | Line 1355 | public class CompletableFutureTest exten
1355		*/
1356		public void testThenRun_actionFailed() {
1357		for (ExecutionMode m : ExecutionMode.values())
1130	–	for (boolean createIncomplete : new boolean[] { true, false })
1358		for (Integer v1 : new Integer[] { 1, null })
1359		{
1360		final CompletableFuture<Integer> f = new CompletableFuture<>();
1361	<	final FailingRunnable r = new FailingRunnable(m);
1362	<	if (!createIncomplete) f.complete(v1);
1136	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1137	<	if (createIncomplete) {
1138	<	checkIncomplete(g);
1139	<	f.complete(v1);
1140	<	}
1361	>	final FailingRunnable[] rs = new FailingRunnable[6];
1362	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1363
1364	<	checkCompletedWithWrappedCFException(g);
1364	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1365	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1366	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1367	>	assertTrue(f.complete(v1));
1368	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1369	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1370	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1371	>
1372	>	checkCompletedWithWrappedCFException(h0);
1373	>	checkCompletedWithWrappedCFException(h1);
1374	>	checkCompletedWithWrappedCFException(h2);
1375	>	checkCompletedWithWrappedCFException(h3);
1376	>	checkCompletedWithWrappedCFException(h4);
1377	>	checkCompletedWithWrappedCFException(h5);
1378		checkCompletedNormally(f, v1);
1379		}}
1380
#	Line 1148 | Line 1383 | public class CompletableFutureTest exten
1383		*/
1384		public void testThenApply_normalCompletion() {
1385		for (ExecutionMode m : ExecutionMode.values())
1151	–	for (boolean createIncomplete : new boolean[] { true, false })
1386		for (Integer v1 : new Integer[] { 1, null })
1387		{
1388		final CompletableFuture<Integer> f = new CompletableFuture<>();
1389	<	final IncFunction r = new IncFunction(m);
1390	<	if (!createIncomplete) f.complete(v1);
1157	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1158	<	if (createIncomplete) {
1159	<	checkIncomplete(g);
1160	<	f.complete(v1);
1161	<	}
1389	>	final IncFunction[] rs = new IncFunction[4];
1390	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1391
1392	<	checkCompletedNormally(g, inc(v1));
1392	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1393	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1394	>	checkIncomplete(h0);
1395	>	checkIncomplete(h1);
1396	>	assertTrue(f.complete(v1));
1397	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1398	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1399	>
1400	>	checkCompletedNormally(h0, inc(v1));
1401	>	checkCompletedNormally(h1, inc(v1));
1402	>	checkCompletedNormally(h2, inc(v1));
1403	>	checkCompletedNormally(h3, inc(v1));
1404		checkCompletedNormally(f, v1);
1405	<	r.assertInvoked();
1405	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1406		}}
1407
1408		/**
#	Line 1171 | Line 1411 | public class CompletableFutureTest exten
1411		*/
1412		public void testThenApply_exceptionalCompletion() {
1413		for (ExecutionMode m : ExecutionMode.values())
1174	–	for (boolean createIncomplete : new boolean[] { true, false })
1414		{
1415		final CFException ex = new CFException();
1416		final CompletableFuture<Integer> f = new CompletableFuture<>();
1417	<	final IncFunction r = new IncFunction(m);
1418	<	if (!createIncomplete) f.completeExceptionally(ex);
1180	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1181	<	if (createIncomplete) {
1182	<	checkIncomplete(g);
1183	<	f.completeExceptionally(ex);
1184	<	}
1417	>	final IncFunction[] rs = new IncFunction[4];
1418	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1419
1420	<	checkCompletedWithWrappedCFException(g, ex);
1421	<	checkCompletedWithWrappedCFException(f, ex);
1422	<	r.assertNotInvoked();
1420	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1421	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1422	>	assertTrue(f.completeExceptionally(ex));
1423	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1424	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1425	>
1426	>	checkCompletedWithWrappedException(h0, ex);
1427	>	checkCompletedWithWrappedException(h1, ex);
1428	>	checkCompletedWithWrappedException(h2, ex);
1429	>	checkCompletedWithWrappedException(h3, ex);
1430	>	checkCompletedExceptionally(f, ex);
1431	>	for (IncFunction r : rs) r.assertNotInvoked();
1432		}}
1433
1434		/**
#	Line 1193 | Line 1436 | public class CompletableFutureTest exten
1436		*/
1437		public void testThenApply_sourceCancelled() {
1438		for (ExecutionMode m : ExecutionMode.values())
1196	–	for (boolean createIncomplete : new boolean[] { true, false })
1439		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1440		{
1441		final CompletableFuture<Integer> f = new CompletableFuture<>();
1442	<	final IncFunction r = new IncFunction(m);
1443	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1202	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1203	<	if (createIncomplete) {
1204	<	checkIncomplete(g);
1205	<	assertTrue(f.cancel(mayInterruptIfRunning));
1206	<	}
1442	>	final IncFunction[] rs = new IncFunction[4];
1443	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1444
1445	<	checkCompletedWithWrappedCancellationException(g);
1445	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1446	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1447	>	assertTrue(f.cancel(mayInterruptIfRunning));
1448	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1449	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1450	>
1451	>	checkCompletedWithWrappedCancellationException(h0);
1452	>	checkCompletedWithWrappedCancellationException(h1);
1453	>	checkCompletedWithWrappedCancellationException(h2);
1454	>	checkCompletedWithWrappedCancellationException(h3);
1455		checkCancelled(f);
1456	<	r.assertNotInvoked();
1456	>	for (IncFunction r : rs) r.assertNotInvoked();
1457		}}
1458
1459		/**
#	Line 1215 | Line 1461 | public class CompletableFutureTest exten
1461		*/
1462		public void testThenApply_actionFailed() {
1463		for (ExecutionMode m : ExecutionMode.values())
1218	–	for (boolean createIncomplete : new boolean[] { true, false })
1464		for (Integer v1 : new Integer[] { 1, null })
1465		{
1466		final CompletableFuture<Integer> f = new CompletableFuture<>();
1467	<	final FailingFunction r = new FailingFunction(m);
1468	<	if (!createIncomplete) f.complete(v1);
1224	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1225	<	if (createIncomplete) {
1226	<	checkIncomplete(g);
1227	<	f.complete(v1);
1228	<	}
1467	>	final FailingFunction[] rs = new FailingFunction[4];
1468	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1469
1470	<	checkCompletedWithWrappedCFException(g);
1470	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1471	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1472	>	assertTrue(f.complete(v1));
1473	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1474	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1475	>
1476	>	checkCompletedWithWrappedCFException(h0);
1477	>	checkCompletedWithWrappedCFException(h1);
1478	>	checkCompletedWithWrappedCFException(h2);
1479	>	checkCompletedWithWrappedCFException(h3);
1480		checkCompletedNormally(f, v1);
1481		}}
1482
#	Line 1236 | Line 1485 | public class CompletableFutureTest exten
1485		*/
1486		public void testThenAccept_normalCompletion() {
1487		for (ExecutionMode m : ExecutionMode.values())
1239	–	for (boolean createIncomplete : new boolean[] { true, false })
1488		for (Integer v1 : new Integer[] { 1, null })
1489		{
1490		final CompletableFuture<Integer> f = new CompletableFuture<>();
1491	<	final IncAction r = new IncAction(m);
1492	<	if (!createIncomplete) f.complete(v1);
1245	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1246	<	if (createIncomplete) {
1247	<	checkIncomplete(g);
1248	<	f.complete(v1);
1249	<	}
1491	>	final NoopConsumer[] rs = new NoopConsumer[4];
1492	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1493
1494	<	checkCompletedNormally(g, null);
1494	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1495	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1496	>	checkIncomplete(h0);
1497	>	checkIncomplete(h1);
1498	>	assertTrue(f.complete(v1));
1499	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1500	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1501	>
1502	>	checkCompletedNormally(h0, null);
1503	>	checkCompletedNormally(h1, null);
1504	>	checkCompletedNormally(h2, null);
1505	>	checkCompletedNormally(h3, null);
1506		checkCompletedNormally(f, v1);
1507	<	r.assertInvoked();
1254	<	r.assertValue(inc(v1));
1507	>	for (NoopConsumer r : rs) r.assertValue(v1);
1508		}}
1509
1510		/**
#	Line 1260 | Line 1513 | public class CompletableFutureTest exten
1513		*/
1514		public void testThenAccept_exceptionalCompletion() {
1515		for (ExecutionMode m : ExecutionMode.values())
1263	–	for (boolean createIncomplete : new boolean[] { true, false })
1516		{
1517		final CFException ex = new CFException();
1518		final CompletableFuture<Integer> f = new CompletableFuture<>();
1519	<	final IncAction r = new IncAction(m);
1520	<	if (!createIncomplete) f.completeExceptionally(ex);
1269	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1270	<	if (createIncomplete) {
1271	<	checkIncomplete(g);
1272	<	f.completeExceptionally(ex);
1273	<	}
1519	>	final NoopConsumer[] rs = new NoopConsumer[4];
1520	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1521
1522	<	checkCompletedWithWrappedCFException(g, ex);
1523	<	checkCompletedWithWrappedCFException(f, ex);
1524	<	r.assertNotInvoked();
1522	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1523	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1524	>	assertTrue(f.completeExceptionally(ex));
1525	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1526	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1527	>
1528	>	checkCompletedWithWrappedException(h0, ex);
1529	>	checkCompletedWithWrappedException(h1, ex);
1530	>	checkCompletedWithWrappedException(h2, ex);
1531	>	checkCompletedWithWrappedException(h3, ex);
1532	>	checkCompletedExceptionally(f, ex);
1533	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1534		}}
1535
1536		/**
#	Line 1282 | Line 1538 | public class CompletableFutureTest exten
1538		*/
1539		public void testThenAccept_sourceCancelled() {
1540		for (ExecutionMode m : ExecutionMode.values())
1285	–	for (boolean createIncomplete : new boolean[] { true, false })
1541		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1542		{
1543		final CompletableFuture<Integer> f = new CompletableFuture<>();
1544	<	final IncAction r = new IncAction(m);
1545	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1291	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1292	<	if (createIncomplete) {
1293	<	checkIncomplete(g);
1294	<	assertTrue(f.cancel(mayInterruptIfRunning));
1295	<	}
1544	>	final NoopConsumer[] rs = new NoopConsumer[4];
1545	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1546
1547	<	checkCompletedWithWrappedCancellationException(g);
1547	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1548	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1549	>	assertTrue(f.cancel(mayInterruptIfRunning));
1550	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1551	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1552	>
1553	>	checkCompletedWithWrappedCancellationException(h0);
1554	>	checkCompletedWithWrappedCancellationException(h1);
1555	>	checkCompletedWithWrappedCancellationException(h2);
1556	>	checkCompletedWithWrappedCancellationException(h3);
1557		checkCancelled(f);
1558	<	r.assertNotInvoked();
1558	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1559		}}
1560
1561		/**
#	Line 1304 | Line 1563 | public class CompletableFutureTest exten
1563		*/
1564		public void testThenAccept_actionFailed() {
1565		for (ExecutionMode m : ExecutionMode.values())
1307	–	for (boolean createIncomplete : new boolean[] { true, false })
1566		for (Integer v1 : new Integer[] { 1, null })
1567		{
1568		final CompletableFuture<Integer> f = new CompletableFuture<>();
1569	<	final FailingConsumer r = new FailingConsumer(m);
1570	<	if (!createIncomplete) f.complete(v1);
1313	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1314	<	if (createIncomplete) {
1315	<	checkIncomplete(g);
1316	<	f.complete(v1);
1317	<	}
1569	>	final FailingConsumer[] rs = new FailingConsumer[4];
1570	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1571
1572	<	checkCompletedWithWrappedCFException(g);
1572	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1573	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1574	>	assertTrue(f.complete(v1));
1575	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1576	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1577	>
1578	>	checkCompletedWithWrappedCFException(h0);
1579	>	checkCompletedWithWrappedCFException(h1);
1580	>	checkCompletedWithWrappedCFException(h2);
1581	>	checkCompletedWithWrappedCFException(h3);
1582		checkCompletedNormally(f, v1);
1583		}}
1584
#	Line 1326 | Line 1588 | public class CompletableFutureTest exten
1588		*/
1589		public void testThenCombine_normalCompletion() {
1590		for (ExecutionMode m : ExecutionMode.values())
1329	–	for (boolean createIncomplete : new boolean[] { true, false })
1591		for (boolean fFirst : new boolean[] { true, false })
1592		for (Integer v1 : new Integer[] { 1, null })
1593		for (Integer v2 : new Integer[] { 2, null })
1594		{
1595		final CompletableFuture<Integer> f = new CompletableFuture<>();
1596		final CompletableFuture<Integer> g = new CompletableFuture<>();
1597	<	final SubtractFunction r = new SubtractFunction(m);
1597	>	final SubtractFunction[] rs = new SubtractFunction[6];
1598	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1599
1600	<	if (fFirst) f.complete(v1); else g.complete(v2);
1601	<	if (!createIncomplete)
1602	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1603	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1604	<	if (createIncomplete) {
1605	<	checkIncomplete(h);
1606	<	r.assertNotInvoked();
1607	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1608	<	}
1600	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1601	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1602	>	final Integer w1 =  fFirst ? v1 : v2;
1603	>	final Integer w2 = !fFirst ? v1 : v2;
1604	>
1605	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1606	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1607	>	assertTrue(fst.complete(w1));
1608	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1609	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1610	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1611	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1612	>	checkCompletedNormally(h1, subtract(w1, w1));
1613	>	checkCompletedNormally(h3, subtract(w1, w1));
1614	>	rs[1].assertValue(subtract(w1, w1));
1615	>	rs[3].assertValue(subtract(w1, w1));
1616	>	assertTrue(snd.complete(w2));
1617	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1618	>
1619	>	checkCompletedNormally(h0, subtract(v1, v2));
1620	>	checkCompletedNormally(h2, subtract(v1, v2));
1621	>	checkCompletedNormally(h4, subtract(v1, v2));
1622	>	rs[0].assertValue(subtract(v1, v2));
1623	>	rs[2].assertValue(subtract(v1, v2));
1624	>	rs[4].assertValue(subtract(v1, v2));
1625
1348	–	checkCompletedNormally(h, subtract(v1, v2));
1626		checkCompletedNormally(f, v1);
1627		checkCompletedNormally(g, v2);
1351	–	r.assertInvoked();
1628		}}
1629
1630		/**
1631		* thenCombine result completes exceptionally after exceptional
1632		* completion of either source
1633		*/
1634	<	public void testThenCombine_exceptionalCompletion() {
1634	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1635		for (ExecutionMode m : ExecutionMode.values())
1360	–	for (boolean createIncomplete : new boolean[] { true, false })
1636		for (boolean fFirst : new boolean[] { true, false })
1637	+	for (boolean failFirst : new boolean[] { true, false })
1638		for (Integer v1 : new Integer[] { 1, null })
1639		{
1640		final CompletableFuture<Integer> f = new CompletableFuture<>();
1641		final CompletableFuture<Integer> g = new CompletableFuture<>();
1642		final CFException ex = new CFException();
1643	<	final SubtractFunction r = new SubtractFunction(m);
1643	>	final SubtractFunction r1 = new SubtractFunction(m);
1644	>	final SubtractFunction r2 = new SubtractFunction(m);
1645	>	final SubtractFunction r3 = new SubtractFunction(m);
1646
1647	<	(fFirst ? f : g).complete(v1);
1648	<	if (!createIncomplete)
1649	<	(!fFirst ? f : g).completeExceptionally(ex);
1650	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1651	<	if (createIncomplete) {
1652	<	checkIncomplete(h);
1653	<	(!fFirst ? f : g).completeExceptionally(ex);
1654	<	}
1647	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1648	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1649	>	final Callable<Boolean> complete1 = failFirst ?
1650	>	() -> fst.completeExceptionally(ex) :
1651	>	() -> fst.complete(v1);
1652	>	final Callable<Boolean> complete2 = failFirst ?
1653	>	() -> snd.complete(v1) :
1654	>	() -> snd.completeExceptionally(ex);
1655
1656	<	checkCompletedWithWrappedCFException(h, ex);
1657	<	r.assertNotInvoked();
1658	<	checkCompletedNormally(fFirst ? f : g, v1);
1659	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1656	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1657	>	assertTrue(complete1.call());
1658	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1659	>	checkIncomplete(h1);
1660	>	checkIncomplete(h2);
1661	>	assertTrue(complete2.call());
1662	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1663	>
1664	>	checkCompletedWithWrappedException(h1, ex);
1665	>	checkCompletedWithWrappedException(h2, ex);
1666	>	checkCompletedWithWrappedException(h3, ex);
1667	>	r1.assertNotInvoked();
1668	>	r2.assertNotInvoked();
1669	>	r3.assertNotInvoked();
1670	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1671	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1672		}}
1673
1674		/**
1675		* thenCombine result completes exceptionally if either source cancelled
1676		*/
1677	<	public void testThenCombine_sourceCancelled() {
1677	>	public void testThenCombine_sourceCancelled() throws Throwable {
1678		for (ExecutionMode m : ExecutionMode.values())
1679		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1390	–	for (boolean createIncomplete : new boolean[] { true, false })
1680		for (boolean fFirst : new boolean[] { true, false })
1681	+	for (boolean failFirst : new boolean[] { true, false })
1682		for (Integer v1 : new Integer[] { 1, null })
1683		{
1684		final CompletableFuture<Integer> f = new CompletableFuture<>();
1685		final CompletableFuture<Integer> g = new CompletableFuture<>();
1686	<	final SubtractFunction r = new SubtractFunction(m);
1686	>	final SubtractFunction r1 = new SubtractFunction(m);
1687	>	final SubtractFunction r2 = new SubtractFunction(m);
1688	>	final SubtractFunction r3 = new SubtractFunction(m);
1689
1690	<	(fFirst ? f : g).complete(v1);
1691	<	if (!createIncomplete)
1692	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1693	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1694	<	if (createIncomplete) {
1695	<	checkIncomplete(h);
1696	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1697	<	}
1690	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1691	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1692	>	final Callable<Boolean> complete1 = failFirst ?
1693	>	() -> fst.cancel(mayInterruptIfRunning) :
1694	>	() -> fst.complete(v1);
1695	>	final Callable<Boolean> complete2 = failFirst ?
1696	>	() -> snd.complete(v1) :
1697	>	() -> snd.cancel(mayInterruptIfRunning);
1698
1699	<	checkCompletedWithWrappedCancellationException(h);
1700	<	checkCancelled(!fFirst ? f : g);
1701	<	r.assertNotInvoked();
1702	<	checkCompletedNormally(fFirst ? f : g, v1);
1699	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1700	>	assertTrue(complete1.call());
1701	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1702	>	checkIncomplete(h1);
1703	>	checkIncomplete(h2);
1704	>	assertTrue(complete2.call());
1705	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1706	>
1707	>	checkCompletedWithWrappedCancellationException(h1);
1708	>	checkCompletedWithWrappedCancellationException(h2);
1709	>	checkCompletedWithWrappedCancellationException(h3);
1710	>	r1.assertNotInvoked();
1711	>	r2.assertNotInvoked();
1712	>	r3.assertNotInvoked();
1713	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1714	>	checkCancelled(failFirst ? fst : snd);
1715		}}
1716
1717		/**
#	Line 1421 | Line 1725 | public class CompletableFutureTest exten
1725		{
1726		final CompletableFuture<Integer> f = new CompletableFuture<>();
1727		final CompletableFuture<Integer> g = new CompletableFuture<>();
1728	<	final FailingBiFunction r = new FailingBiFunction(m);
1729	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1728	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1729	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1730	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1731	>
1732	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1733	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1734	>	final Integer w1 =  fFirst ? v1 : v2;
1735	>	final Integer w2 = !fFirst ? v1 : v2;
1736	>
1737	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1738	>	assertTrue(fst.complete(w1));
1739	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1740	>	assertTrue(snd.complete(w2));
1741	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1742
1743	<	if (fFirst) {
1744	<	f.complete(v1);
1745	<	g.complete(v2);
1746	<	} else {
1747	<	g.complete(v2);
1748	<	f.complete(v1);
1433	<	}
1434	<
1435	<	checkCompletedWithWrappedCFException(h);
1743	>	checkCompletedWithWrappedCFException(h1);
1744	>	checkCompletedWithWrappedCFException(h2);
1745	>	checkCompletedWithWrappedCFException(h3);
1746	>	r1.assertInvoked();
1747	>	r2.assertInvoked();
1748	>	r3.assertInvoked();
1749		checkCompletedNormally(f, v1);
1750		checkCompletedNormally(g, v2);
1751		}}
#	Line 1443 | Line 1756 | public class CompletableFutureTest exten
1756		*/
1757		public void testThenAcceptBoth_normalCompletion() {
1758		for (ExecutionMode m : ExecutionMode.values())
1446	–	for (boolean createIncomplete : new boolean[] { true, false })
1759		for (boolean fFirst : new boolean[] { true, false })
1760		for (Integer v1 : new Integer[] { 1, null })
1761		for (Integer v2 : new Integer[] { 2, null })
1762		{
1763		final CompletableFuture<Integer> f = new CompletableFuture<>();
1764		final CompletableFuture<Integer> g = new CompletableFuture<>();
1765	<	final SubtractAction r = new SubtractAction(m);
1766	<
1767	<	if (fFirst) f.complete(v1); else g.complete(v2);
1768	<	if (!createIncomplete)
1769	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1770	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1771	<	if (createIncomplete) {
1772	<	checkIncomplete(h);
1773	<	r.assertNotInvoked();
1774	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1775	<	}
1776	<
1777	<	checkCompletedNormally(h, null);
1778	<	r.assertValue(subtract(v1, v2));
1765	>	final SubtractAction r1 = new SubtractAction(m);
1766	>	final SubtractAction r2 = new SubtractAction(m);
1767	>	final SubtractAction r3 = new SubtractAction(m);
1768	>
1769	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1770	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1771	>	final Integer w1 =  fFirst ? v1 : v2;
1772	>	final Integer w2 = !fFirst ? v1 : v2;
1773	>
1774	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1775	>	assertTrue(fst.complete(w1));
1776	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1777	>	checkIncomplete(h1);
1778	>	checkIncomplete(h2);
1779	>	r1.assertNotInvoked();
1780	>	r2.assertNotInvoked();
1781	>	assertTrue(snd.complete(w2));
1782	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1783	>
1784	>	checkCompletedNormally(h1, null);
1785	>	checkCompletedNormally(h2, null);
1786	>	checkCompletedNormally(h3, null);
1787	>	r1.assertValue(subtract(v1, v2));
1788	>	r2.assertValue(subtract(v1, v2));
1789	>	r3.assertValue(subtract(v1, v2));
1790		checkCompletedNormally(f, v1);
1791		checkCompletedNormally(g, v2);
1792		}}
#	Line 1472 | Line 1795 | public class CompletableFutureTest exten
1795		* thenAcceptBoth result completes exceptionally after exceptional
1796		* completion of either source
1797		*/
1798	<	public void testThenAcceptBoth_exceptionalCompletion() {
1798	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1799		for (ExecutionMode m : ExecutionMode.values())
1477	–	for (boolean createIncomplete : new boolean[] { true, false })
1800		for (boolean fFirst : new boolean[] { true, false })
1801	+	for (boolean failFirst : new boolean[] { true, false })
1802		for (Integer v1 : new Integer[] { 1, null })
1803		{
1804		final CompletableFuture<Integer> f = new CompletableFuture<>();
1805		final CompletableFuture<Integer> g = new CompletableFuture<>();
1806		final CFException ex = new CFException();
1807	<	final SubtractAction r = new SubtractAction(m);
1807	>	final SubtractAction r1 = new SubtractAction(m);
1808	>	final SubtractAction r2 = new SubtractAction(m);
1809	>	final SubtractAction r3 = new SubtractAction(m);
1810
1811	<	(fFirst ? f : g).complete(v1);
1812	<	if (!createIncomplete)
1813	<	(!fFirst ? f : g).completeExceptionally(ex);
1814	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1815	<	if (createIncomplete) {
1816	<	checkIncomplete(h);
1817	<	(!fFirst ? f : g).completeExceptionally(ex);
1818	<	}
1811	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1812	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1813	>	final Callable<Boolean> complete1 = failFirst ?
1814	>	() -> fst.completeExceptionally(ex) :
1815	>	() -> fst.complete(v1);
1816	>	final Callable<Boolean> complete2 = failFirst ?
1817	>	() -> snd.complete(v1) :
1818	>	() -> snd.completeExceptionally(ex);
1819
1820	<	checkCompletedWithWrappedCFException(h, ex);
1821	<	r.assertNotInvoked();
1822	<	checkCompletedNormally(fFirst ? f : g, v1);
1823	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1820	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1821	>	assertTrue(complete1.call());
1822	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1823	>	checkIncomplete(h1);
1824	>	checkIncomplete(h2);
1825	>	assertTrue(complete2.call());
1826	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1827	>
1828	>	checkCompletedWithWrappedException(h1, ex);
1829	>	checkCompletedWithWrappedException(h2, ex);
1830	>	checkCompletedWithWrappedException(h3, ex);
1831	>	r1.assertNotInvoked();
1832	>	r2.assertNotInvoked();
1833	>	r3.assertNotInvoked();
1834	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1835	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1836		}}
1837
1838		/**
1839		* thenAcceptBoth result completes exceptionally if either source cancelled
1840		*/
1841	<	public void testThenAcceptBoth_sourceCancelled() {
1841	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1842		for (ExecutionMode m : ExecutionMode.values())
1843		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1507	–	for (boolean createIncomplete : new boolean[] { true, false })
1844		for (boolean fFirst : new boolean[] { true, false })
1845	+	for (boolean failFirst : new boolean[] { true, false })
1846		for (Integer v1 : new Integer[] { 1, null })
1847		{
1848		final CompletableFuture<Integer> f = new CompletableFuture<>();
1849		final CompletableFuture<Integer> g = new CompletableFuture<>();
1850	<	final SubtractAction r = new SubtractAction(m);
1850	>	final SubtractAction r1 = new SubtractAction(m);
1851	>	final SubtractAction r2 = new SubtractAction(m);
1852	>	final SubtractAction r3 = new SubtractAction(m);
1853
1854	<	(fFirst ? f : g).complete(v1);
1855	<	if (!createIncomplete)
1856	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1857	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1858	<	if (createIncomplete) {
1859	<	checkIncomplete(h);
1860	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1861	<	}
1854	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1855	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1856	>	final Callable<Boolean> complete1 = failFirst ?
1857	>	() -> fst.cancel(mayInterruptIfRunning) :
1858	>	() -> fst.complete(v1);
1859	>	final Callable<Boolean> complete2 = failFirst ?
1860	>	() -> snd.complete(v1) :
1861	>	() -> snd.cancel(mayInterruptIfRunning);
1862
1863	<	checkCompletedWithWrappedCancellationException(h);
1864	<	checkCancelled(!fFirst ? f : g);
1865	<	r.assertNotInvoked();
1866	<	checkCompletedNormally(fFirst ? f : g, v1);
1863	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1864	>	assertTrue(complete1.call());
1865	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1866	>	checkIncomplete(h1);
1867	>	checkIncomplete(h2);
1868	>	assertTrue(complete2.call());
1869	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1870	>
1871	>	checkCompletedWithWrappedCancellationException(h1);
1872	>	checkCompletedWithWrappedCancellationException(h2);
1873	>	checkCompletedWithWrappedCancellationException(h3);
1874	>	r1.assertNotInvoked();
1875	>	r2.assertNotInvoked();
1876	>	r3.assertNotInvoked();
1877	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1878	>	checkCancelled(failFirst ? fst : snd);
1879		}}
1880
1881		/**
#	Line 1538 | Line 1889 | public class CompletableFutureTest exten
1889		{
1890		final CompletableFuture<Integer> f = new CompletableFuture<>();
1891		final CompletableFuture<Integer> g = new CompletableFuture<>();
1892	<	final FailingBiConsumer r = new FailingBiConsumer(m);
1893	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1894	<
1895	<	if (fFirst) {
1896	<	f.complete(v1);
1897	<	g.complete(v2);
1898	<	} else {
1899	<	g.complete(v2);
1900	<	f.complete(v1);
1901	<	}
1892	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1893	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1894	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1895	>
1896	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1897	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1898	>	final Integer w1 =  fFirst ? v1 : v2;
1899	>	final Integer w2 = !fFirst ? v1 : v2;
1900	>
1901	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1902	>	assertTrue(fst.complete(w1));
1903	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1904	>	assertTrue(snd.complete(w2));
1905	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1906
1907	<	checkCompletedWithWrappedCFException(h);
1907	>	checkCompletedWithWrappedCFException(h1);
1908	>	checkCompletedWithWrappedCFException(h2);
1909	>	checkCompletedWithWrappedCFException(h3);
1910	>	r1.assertInvoked();
1911	>	r2.assertInvoked();
1912	>	r3.assertInvoked();
1913		checkCompletedNormally(f, v1);
1914		checkCompletedNormally(g, v2);
1915		}}
#	Line 1560 | Line 1920 | public class CompletableFutureTest exten
1920		*/
1921		public void testRunAfterBoth_normalCompletion() {
1922		for (ExecutionMode m : ExecutionMode.values())
1563	–	for (boolean createIncomplete : new boolean[] { true, false })
1923		for (boolean fFirst : new boolean[] { true, false })
1924		for (Integer v1 : new Integer[] { 1, null })
1925		for (Integer v2 : new Integer[] { 2, null })
1926		{
1927		final CompletableFuture<Integer> f = new CompletableFuture<>();
1928		final CompletableFuture<Integer> g = new CompletableFuture<>();
1929	<	final Noop r = new Noop(m);
1930	<
1931	<	if (fFirst) f.complete(v1); else g.complete(v2);
1932	<	if (!createIncomplete)
1933	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1934	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1935	<	if (createIncomplete) {
1936	<	checkIncomplete(h);
1937	<	r.assertNotInvoked();
1938	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1939	<	}
1940	<
1941	<	checkCompletedNormally(h, null);
1942	<	r.assertInvoked();
1929	>	final Noop r1 = new Noop(m);
1930	>	final Noop r2 = new Noop(m);
1931	>	final Noop r3 = new Noop(m);
1932	>
1933	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1934	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1935	>	final Integer w1 =  fFirst ? v1 : v2;
1936	>	final Integer w2 = !fFirst ? v1 : v2;
1937	>
1938	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1939	>	assertTrue(fst.complete(w1));
1940	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1941	>	checkIncomplete(h1);
1942	>	checkIncomplete(h2);
1943	>	r1.assertNotInvoked();
1944	>	r2.assertNotInvoked();
1945	>	assertTrue(snd.complete(w2));
1946	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1947	>
1948	>	checkCompletedNormally(h1, null);
1949	>	checkCompletedNormally(h2, null);
1950	>	checkCompletedNormally(h3, null);
1951	>	r1.assertInvoked();
1952	>	r2.assertInvoked();
1953	>	r3.assertInvoked();
1954		checkCompletedNormally(f, v1);
1955		checkCompletedNormally(g, v2);
1956		}}
#	Line 1589 | Line 1959 | public class CompletableFutureTest exten
1959		* runAfterBoth result completes exceptionally after exceptional
1960		* completion of either source
1961		*/
1962	<	public void testRunAfterBoth_exceptionalCompletion() {
1962	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1963		for (ExecutionMode m : ExecutionMode.values())
1594	–	for (boolean createIncomplete : new boolean[] { true, false })
1964		for (boolean fFirst : new boolean[] { true, false })
1965	+	for (boolean failFirst : new boolean[] { true, false })
1966		for (Integer v1 : new Integer[] { 1, null })
1967		{
1968		final CompletableFuture<Integer> f = new CompletableFuture<>();
1969		final CompletableFuture<Integer> g = new CompletableFuture<>();
1970		final CFException ex = new CFException();
1971	<	final Noop r = new Noop(m);
1971	>	final Noop r1 = new Noop(m);
1972	>	final Noop r2 = new Noop(m);
1973	>	final Noop r3 = new Noop(m);
1974
1975	<	(fFirst ? f : g).complete(v1);
1976	<	if (!createIncomplete)
1977	<	(!fFirst ? f : g).completeExceptionally(ex);
1978	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1979	<	if (createIncomplete) {
1980	<	checkIncomplete(h);
1981	<	(!fFirst ? f : g).completeExceptionally(ex);
1982	<	}
1975	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1976	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1977	>	final Callable<Boolean> complete1 = failFirst ?
1978	>	() -> fst.completeExceptionally(ex) :
1979	>	() -> fst.complete(v1);
1980	>	final Callable<Boolean> complete2 = failFirst ?
1981	>	() -> snd.complete(v1) :
1982	>	() -> snd.completeExceptionally(ex);
1983
1984	<	checkCompletedWithWrappedCFException(h, ex);
1985	<	r.assertNotInvoked();
1986	<	checkCompletedNormally(fFirst ? f : g, v1);
1987	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1984	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1985	>	assertTrue(complete1.call());
1986	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1987	>	checkIncomplete(h1);
1988	>	checkIncomplete(h2);
1989	>	assertTrue(complete2.call());
1990	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1991	>
1992	>	checkCompletedWithWrappedException(h1, ex);
1993	>	checkCompletedWithWrappedException(h2, ex);
1994	>	checkCompletedWithWrappedException(h3, ex);
1995	>	r1.assertNotInvoked();
1996	>	r2.assertNotInvoked();
1997	>	r3.assertNotInvoked();
1998	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1999	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2000		}}
2001
2002		/**
2003		* runAfterBoth result completes exceptionally if either source cancelled
2004		*/
2005	<	public void testRunAfterBoth_sourceCancelled() {
2005	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2006		for (ExecutionMode m : ExecutionMode.values())
2007		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1624	–	for (boolean createIncomplete : new boolean[] { true, false })
2008		for (boolean fFirst : new boolean[] { true, false })
2009	+	for (boolean failFirst : new boolean[] { true, false })
2010		for (Integer v1 : new Integer[] { 1, null })
2011		{
2012		final CompletableFuture<Integer> f = new CompletableFuture<>();
2013		final CompletableFuture<Integer> g = new CompletableFuture<>();
2014	<	final Noop r = new Noop(m);
2014	>	final Noop r1 = new Noop(m);
2015	>	final Noop r2 = new Noop(m);
2016	>	final Noop r3 = new Noop(m);
2017
2018	+	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2019	+	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2020	+	final Callable<Boolean> complete1 = failFirst ?
2021	+	() -> fst.cancel(mayInterruptIfRunning) :
2022	+	() -> fst.complete(v1);
2023	+	final Callable<Boolean> complete2 = failFirst ?
2024	+	() -> snd.complete(v1) :
2025	+	() -> snd.cancel(mayInterruptIfRunning);
2026
2027	<	(fFirst ? f : g).complete(v1);
2028	<	if (!createIncomplete)
2029	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2030	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2031	<	if (createIncomplete) {
2032	<	checkIncomplete(h);
2033	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1640	<	}
2027	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2028	>	assertTrue(complete1.call());
2029	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2030	>	checkIncomplete(h1);
2031	>	checkIncomplete(h2);
2032	>	assertTrue(complete2.call());
2033	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2034
2035	<	checkCompletedWithWrappedCancellationException(h);
2036	<	checkCancelled(!fFirst ? f : g);
2037	<	r.assertNotInvoked();
2038	<	checkCompletedNormally(fFirst ? f : g, v1);
2035	>	checkCompletedWithWrappedCancellationException(h1);
2036	>	checkCompletedWithWrappedCancellationException(h2);
2037	>	checkCompletedWithWrappedCancellationException(h3);
2038	>	r1.assertNotInvoked();
2039	>	r2.assertNotInvoked();
2040	>	r3.assertNotInvoked();
2041	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2042	>	checkCancelled(failFirst ? fst : snd);
2043		}}
2044
2045		/**
#	Line 1658 | Line 2055 | public class CompletableFutureTest exten
2055		final CompletableFuture<Integer> g = new CompletableFuture<>();
2056		final FailingRunnable r1 = new FailingRunnable(m);
2057		final FailingRunnable r2 = new FailingRunnable(m);
2058	+	final FailingRunnable r3 = new FailingRunnable(m);
2059
2060	<	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2061	<	if (fFirst) {
2062	<	f.complete(v1);
2063	<	g.complete(v2);
2064	<	} else {
2065	<	g.complete(v2);
2066	<	f.complete(v1);
2067	<	}
2068	<	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2060	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2061	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2062	>	final Integer w1 =  fFirst ? v1 : v2;
2063	>	final Integer w2 = !fFirst ? v1 : v2;
2064	>
2065	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2066	>	assertTrue(fst.complete(w1));
2067	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2068	>	assertTrue(snd.complete(w2));
2069	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2070
2071		checkCompletedWithWrappedCFException(h1);
2072		checkCompletedWithWrappedCFException(h2);
2073	+	checkCompletedWithWrappedCFException(h3);
2074	+	r1.assertInvoked();
2075	+	r2.assertInvoked();
2076	+	r3.assertInvoked();
2077		checkCompletedNormally(f, v1);
2078		checkCompletedNormally(g, v2);
2079		}}
#	Line 1744 | Line 2147 | public class CompletableFutureTest exten
2147		rs[0].assertNotInvoked();
2148		rs[1].assertNotInvoked();
2149		f.completeExceptionally(ex);
2150	<	checkCompletedWithWrappedCFException(h0, ex);
2151	<	checkCompletedWithWrappedCFException(h1, ex);
2150	>	checkCompletedWithWrappedException(h0, ex);
2151	>	checkCompletedWithWrappedException(h1, ex);
2152		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2153		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2154	<	checkCompletedWithWrappedCFException(h2, ex);
2155	<	checkCompletedWithWrappedCFException(h3, ex);
2154	>	checkCompletedWithWrappedException(h2, ex);
2155	>	checkCompletedWithWrappedException(h3, ex);
2156		g.complete(v1);
2157
2158		// unspecified behavior - both source completions available
#	Line 1757 | Line 2160 | public class CompletableFutureTest exten
2160		final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2161		try {
2162		assertEquals(inc(v1), h4.join());
2163	<	rs[4].assertInvoked();
2163	>	rs[4].assertValue(inc(v1));
2164		} catch (CompletionException ok) {
2165	<	checkCompletedWithWrappedCFException(h4, ex);
2165	>	checkCompletedWithWrappedException(h4, ex);
2166		rs[4].assertNotInvoked();
2167		}
2168		try {
2169		assertEquals(inc(v1), h5.join());
2170	<	rs[5].assertInvoked();
2170	>	rs[5].assertValue(inc(v1));
2171		} catch (CompletionException ok) {
2172	<	checkCompletedWithWrappedCFException(h5, ex);
2172	>	checkCompletedWithWrappedException(h5, ex);
2173		rs[5].assertNotInvoked();
2174		}
2175
2176	<	checkCompletedWithWrappedCFException(f, ex);
2176	>	checkCompletedExceptionally(f, ex);
2177		checkCompletedNormally(g, v1);
2178	<	checkCompletedWithWrappedCFException(h0, ex);
2179	<	checkCompletedWithWrappedCFException(h1, ex);
2180	<	checkCompletedWithWrappedCFException(h2, ex);
2181	<	checkCompletedWithWrappedCFException(h3, ex);
2182	<	checkCompletedWithWrappedCFException(h4, ex);
2178	>	checkCompletedWithWrappedException(h0, ex);
2179	>	checkCompletedWithWrappedException(h1, ex);
2180	>	checkCompletedWithWrappedException(h2, ex);
2181	>	checkCompletedWithWrappedException(h3, ex);
2182	>	checkCompletedWithWrappedException(h4, ex);
2183		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2184		}}
2185
2186	+	public void testApplyToEither_exceptionalCompletion2() {
2187	+	for (ExecutionMode m : ExecutionMode.values())
2188	+	for (boolean fFirst : new boolean[] { true, false })
2189	+	for (Integer v1 : new Integer[] { 1, null })
2190	+	{
2191	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
2192	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
2193	+	final CFException ex = new CFException();
2194	+	final IncFunction[] rs = new IncFunction[6];
2195	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2196	+
2197	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2198	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2199	+	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2200	+	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2201	+	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2202	+	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2203	+
2204	+	// unspecified behavior - both source completions available
2205	+	try {
2206	+	assertEquals(inc(v1), h0.join());
2207	+	rs[0].assertValue(inc(v1));
2208	+	} catch (CompletionException ok) {
2209	+	checkCompletedWithWrappedException(h0, ex);
2210	+	rs[0].assertNotInvoked();
2211	+	}
2212	+	try {
2213	+	assertEquals(inc(v1), h1.join());
2214	+	rs[1].assertValue(inc(v1));
2215	+	} catch (CompletionException ok) {
2216	+	checkCompletedWithWrappedException(h1, ex);
2217	+	rs[1].assertNotInvoked();
2218	+	}
2219	+	try {
2220	+	assertEquals(inc(v1), h2.join());
2221	+	rs[2].assertValue(inc(v1));
2222	+	} catch (CompletionException ok) {
2223	+	checkCompletedWithWrappedException(h2, ex);
2224	+	rs[2].assertNotInvoked();
2225	+	}
2226	+	try {
2227	+	assertEquals(inc(v1), h3.join());
2228	+	rs[3].assertValue(inc(v1));
2229	+	} catch (CompletionException ok) {
2230	+	checkCompletedWithWrappedException(h3, ex);
2231	+	rs[3].assertNotInvoked();
2232	+	}
2233	+
2234	+	checkCompletedNormally(f, v1);
2235	+	checkCompletedExceptionally(g, ex);
2236	+	}}
2237	+
2238		/**
2239		* applyToEither result completes exceptionally if either source cancelled
2240		*/
#	Line 1813 | Line 2268 | public class CompletableFutureTest exten
2268		final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2269		try {
2270		assertEquals(inc(v1), h4.join());
2271	<	rs[4].assertInvoked();
2271	>	rs[4].assertValue(inc(v1));
2272		} catch (CompletionException ok) {
2273		checkCompletedWithWrappedCancellationException(h4);
2274		rs[4].assertNotInvoked();
2275		}
2276		try {
2277		assertEquals(inc(v1), h5.join());
2278	<	rs[5].assertInvoked();
2278	>	rs[5].assertValue(inc(v1));
2279		} catch (CompletionException ok) {
2280		checkCompletedWithWrappedCancellationException(h5);
2281		rs[5].assertNotInvoked();
#	Line 1835 | Line 2290 | public class CompletableFutureTest exten
2290		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2291		}}
2292
2293	<	/**
1839	<	* applyToEither result completes exceptionally if action does
1840	<	*/
1841	<	public void testApplyToEither_actionFailed() {
2293	>	public void testApplyToEither_sourceCancelled2() {
2294		for (ExecutionMode m : ExecutionMode.values())
2295	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2296	+	for (boolean fFirst : new boolean[] { true, false })
2297		for (Integer v1 : new Integer[] { 1, null })
1844	–	for (Integer v2 : new Integer[] { 2, null })
2298		{
2299		final CompletableFuture<Integer> f = new CompletableFuture<>();
2300		final CompletableFuture<Integer> g = new CompletableFuture<>();
2301	<	final FailingFunction[] rs = new FailingFunction[6];
2302	<	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2301	>	final IncFunction[] rs = new IncFunction[6];
2302	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2303
2304		final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2305		final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2306	<	f.complete(v1);
2306	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2307	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2308		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2309		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2310	<	g.complete(v2);
2311	<	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2312	<	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2313	<
2310	>
2311	>	// unspecified behavior - both source completions available
2312	>	try {
2313	>	assertEquals(inc(v1), h0.join());
2314	>	rs[0].assertValue(inc(v1));
2315	>	} catch (CompletionException ok) {
2316	>	checkCompletedWithWrappedCancellationException(h0);
2317	>	rs[0].assertNotInvoked();
2318	>	}
2319	>	try {
2320	>	assertEquals(inc(v1), h1.join());
2321	>	rs[1].assertValue(inc(v1));
2322	>	} catch (CompletionException ok) {
2323	>	checkCompletedWithWrappedCancellationException(h1);
2324	>	rs[1].assertNotInvoked();
2325	>	}
2326	>	try {
2327	>	assertEquals(inc(v1), h2.join());
2328	>	rs[2].assertValue(inc(v1));
2329	>	} catch (CompletionException ok) {
2330	>	checkCompletedWithWrappedCancellationException(h2);
2331	>	rs[2].assertNotInvoked();
2332	>	}
2333	>	try {
2334	>	assertEquals(inc(v1), h3.join());
2335	>	rs[3].assertValue(inc(v1));
2336	>	} catch (CompletionException ok) {
2337	>	checkCompletedWithWrappedCancellationException(h3);
2338	>	rs[3].assertNotInvoked();
2339	>	}
2340	>
2341		checkCompletedNormally(f, v1);
2342	<	checkCompletedNormally(g, v2);
1862	<	checkCompletedWithWrappedCFException(h0);
1863	<	checkCompletedWithWrappedCFException(h1);
1864	<	checkCompletedWithWrappedCFException(h2);
1865	<	checkCompletedWithWrappedCFException(h3);
1866	<	checkCompletedWithWrappedCFException(h4);
1867	<	checkCompletedWithWrappedCFException(h5);
1868	<	for (int i = 0; i < rs.length; i++) rs[i].assertInvoked();
2342	>	checkCancelled(g);
2343		}}
2344
2345		/**
2346	<	* acceptEither result completes normally after normal completion
1873	<	* of either source
2346	>	* applyToEither result completes exceptionally if action does
2347		*/
2348	<	public void testAcceptEither_normalCompletion1() {
2348	>	public void testApplyToEither_actionFailed() {
2349		for (ExecutionMode m : ExecutionMode.values())
2350		for (Integer v1 : new Integer[] { 1, null })
2351		for (Integer v2 : new Integer[] { 2, null })
2352		{
2353		final CompletableFuture<Integer> f = new CompletableFuture<>();
2354		final CompletableFuture<Integer> g = new CompletableFuture<>();
2355	<	final IncAction r = new IncAction(m);
2356	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2355	>	final FailingFunction[] rs = new FailingFunction[6];
2356	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2357
2358	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2359	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2360		f.complete(v1);
2361	<	checkCompletedNormally(h, null);
2362	<	assertEquals(inc(v1), r.value);
2363	<	g.complete(v2);
2361	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2362	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2363	>	checkCompletedWithWrappedCFException(h0);
2364	>	checkCompletedWithWrappedCFException(h1);
2365	>	checkCompletedWithWrappedCFException(h2);
2366	>	checkCompletedWithWrappedCFException(h3);
2367	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2368
2369	<	checkCompletedNormally(f, v1);
1891	<	checkCompletedNormally(g, v2);
1892	<	checkCompletedNormally(h, null);
1893	<	}}
2369	>	g.complete(v2);
2370
2371	<	public void testAcceptEither_normalCompletion2() {
2372	<	for (ExecutionMode m : ExecutionMode.values())
2373	<	for (Integer v1 : new Integer[] { 1, null })
1898	<	for (Integer v2 : new Integer[] { 2, null })
1899	<	{
1900	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1901	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1902	<	final IncAction r = new IncAction(m);
1903	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2371	>	// unspecified behavior - both source completions available
2372	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2373	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2374
2375	<	g.complete(v2);
2376	<	checkCompletedNormally(h, null);
2377	<	assertEquals(inc(v2), r.value);
2378	<	f.complete(v1);
2375	>	checkCompletedWithWrappedCFException(h4);
2376	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2377	>	Objects.equals(v2, rs[4].value));
2378	>	checkCompletedWithWrappedCFException(h5);
2379	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2380	>	Objects.equals(v2, rs[5].value));
2381
2382		checkCompletedNormally(f, v1);
2383		checkCompletedNormally(g, v2);
1912	–	checkCompletedNormally(h, null);
2384		}}
2385
2386	<	public void testAcceptEither_normalCompletion3() {
2386	>	/**
2387	>	* acceptEither result completes normally after normal completion
2388	>	* of either source
2389	>	*/
2390	>	public void testAcceptEither_normalCompletion() {
2391		for (ExecutionMode m : ExecutionMode.values())
2392		for (Integer v1 : new Integer[] { 1, null })
2393		for (Integer v2 : new Integer[] { 2, null })
2394		{
2395		final CompletableFuture<Integer> f = new CompletableFuture<>();
2396		final CompletableFuture<Integer> g = new CompletableFuture<>();
2397	<	final IncAction r = new IncAction(m);
2397	>	final NoopConsumer[] rs = new NoopConsumer[6];
2398	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2399
2400	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2401	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2402	+	checkIncomplete(h0);
2403	+	checkIncomplete(h1);
2404	+	rs[0].assertNotInvoked();
2405	+	rs[1].assertNotInvoked();
2406		f.complete(v1);
2407	+	checkCompletedNormally(h0, null);
2408	+	checkCompletedNormally(h1, null);
2409	+	rs[0].assertValue(v1);
2410	+	rs[1].assertValue(v1);
2411	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2412	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2413	+	checkCompletedNormally(h2, null);
2414	+	checkCompletedNormally(h3, null);
2415	+	rs[2].assertValue(v1);
2416	+	rs[3].assertValue(v1);
2417		g.complete(v2);
1926	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2418
2419	<	checkCompletedNormally(h, null);
2419	>	// unspecified behavior - both source completions available
2420	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2421	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2422	>	checkCompletedNormally(h4, null);
2423	>	checkCompletedNormally(h5, null);
2424	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2425	>	Objects.equals(v2, rs[4].value));
2426	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2427	>	Objects.equals(v2, rs[5].value));
2428	>
2429		checkCompletedNormally(f, v1);
2430		checkCompletedNormally(g, v2);
2431	<
2432	<	// unspecified behavior
2433	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2434	<	Objects.equals(r.value, inc(v2)));
2431	>	checkCompletedNormally(h0, null);
2432	>	checkCompletedNormally(h1, null);
2433	>	checkCompletedNormally(h2, null);
2434	>	checkCompletedNormally(h3, null);
2435	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2436		}}
2437
2438		/**
2439		* acceptEither result completes exceptionally after exceptional
2440		* completion of either source
2441		*/
2442	<	public void testAcceptEither_exceptionalCompletion1() {
2442	>	public void testAcceptEither_exceptionalCompletion() {
2443		for (ExecutionMode m : ExecutionMode.values())
2444		for (Integer v1 : new Integer[] { 1, null })
2445		{
2446		final CompletableFuture<Integer> f = new CompletableFuture<>();
2447		final CompletableFuture<Integer> g = new CompletableFuture<>();
1947	–	final IncAction r = new IncAction(m);
1948	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2448		final CFException ex = new CFException();
2449	+	final NoopConsumer[] rs = new NoopConsumer[6];
2450	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2451
2452	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2453	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2454	+	checkIncomplete(h0);
2455	+	checkIncomplete(h1);
2456	+	rs[0].assertNotInvoked();
2457	+	rs[1].assertNotInvoked();
2458		f.completeExceptionally(ex);
2459	<	checkCompletedWithWrappedCFException(h, ex);
2459	>	checkCompletedWithWrappedException(h0, ex);
2460	>	checkCompletedWithWrappedException(h1, ex);
2461	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2462	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2463	>	checkCompletedWithWrappedException(h2, ex);
2464	>	checkCompletedWithWrappedException(h3, ex);
2465	>
2466		g.complete(v1);
2467
2468	<	r.assertNotInvoked();
2468	>	// unspecified behavior - both source completions available
2469	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2470	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2471	>	try {
2472	>	assertNull(h4.join());
2473	>	rs[4].assertValue(v1);
2474	>	} catch (CompletionException ok) {
2475	>	checkCompletedWithWrappedException(h4, ex);
2476	>	rs[4].assertNotInvoked();
2477	>	}
2478	>	try {
2479	>	assertNull(h5.join());
2480	>	rs[5].assertValue(v1);
2481	>	} catch (CompletionException ok) {
2482	>	checkCompletedWithWrappedException(h5, ex);
2483	>	rs[5].assertNotInvoked();
2484	>	}
2485	>
2486	>	checkCompletedExceptionally(f, ex);
2487		checkCompletedNormally(g, v1);
2488	<	checkCompletedWithWrappedCFException(f, ex);
2489	<	checkCompletedWithWrappedCFException(h, ex);
2488	>	checkCompletedWithWrappedException(h0, ex);
2489	>	checkCompletedWithWrappedException(h1, ex);
2490	>	checkCompletedWithWrappedException(h2, ex);
2491	>	checkCompletedWithWrappedException(h3, ex);
2492	>	checkCompletedWithWrappedException(h4, ex);
2493	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2494		}}
2495
2496		public void testAcceptEither_exceptionalCompletion2() {
2497		for (ExecutionMode m : ExecutionMode.values())
2498	+	for (boolean fFirst : new boolean[] { true, false })
2499		for (Integer v1 : new Integer[] { 1, null })
2500		{
2501		final CompletableFuture<Integer> f = new CompletableFuture<>();
2502		final CompletableFuture<Integer> g = new CompletableFuture<>();
1967	–	final IncAction r = new IncAction(m);
1968	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
1969	–	final CFException ex = new CFException();
1970	–
1971	–	g.completeExceptionally(ex);
1972	–	checkCompletedWithWrappedCFException(h, ex);
1973	–	f.complete(v1);
1974	–
1975	–	r.assertNotInvoked();
1976	–	checkCompletedNormally(f, v1);
1977	–	checkCompletedWithWrappedCFException(g, ex);
1978	–	checkCompletedWithWrappedCFException(h, ex);
1979	–	}}
1980	–
1981	–	public void testAcceptEither_exceptionalCompletion3() {
1982	–	for (ExecutionMode m : ExecutionMode.values())
1983	–	for (Integer v1 : new Integer[] { 1, null })
1984	–	{
1985	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1986	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1987	–	final IncAction r = new IncAction(m);
2503		final CFException ex = new CFException();
2504	+	final NoopConsumer[] rs = new NoopConsumer[6];
2505	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2506
2507	<	g.completeExceptionally(ex);
2508	<	f.complete(v1);
2509	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2507	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2508	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2509	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2510	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2511	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2512	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2513
2514	<	// unspecified behavior
1995	<	Integer v;
2514	>	// unspecified behavior - both source completions available
2515		try {
2516	<	assertNull(h.join());
2517	<	r.assertInvoked();
1999	<	assertEquals(inc(v1), r.value);
2516	>	assertEquals(null, h0.join());
2517	>	rs[0].assertValue(v1);
2518		} catch (CompletionException ok) {
2519	<	checkCompletedWithWrappedCFException(h, ex);
2520	<	r.assertNotInvoked();
2519	>	checkCompletedWithWrappedException(h0, ex);
2520	>	rs[0].assertNotInvoked();
2521		}
2004	–
2005	–	checkCompletedWithWrappedCFException(g, ex);
2006	–	checkCompletedNormally(f, v1);
2007	–	}}
2008	–
2009	–	public void testAcceptEither_exceptionalCompletion4() {
2010	–	for (ExecutionMode m : ExecutionMode.values())
2011	–	for (Integer v1 : new Integer[] { 1, null })
2012	–	{
2013	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2014	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2015	–	final IncAction r = new IncAction(m);
2016	–	final CFException ex = new CFException();
2017	–
2018	–	f.completeExceptionally(ex);
2019	–	g.complete(v1);
2020	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2021	–
2022	–	// unspecified behavior
2023	–	Integer v;
2522		try {
2523	<	assertNull(h.join());
2524	<	r.assertInvoked();
2027	<	assertEquals(inc(v1), r.value);
2523	>	assertEquals(null, h1.join());
2524	>	rs[1].assertValue(v1);
2525		} catch (CompletionException ok) {
2526	<	checkCompletedWithWrappedCFException(h, ex);
2527	<	r.assertNotInvoked();
2526	>	checkCompletedWithWrappedException(h1, ex);
2527	>	rs[1].assertNotInvoked();
2528	>	}
2529	>	try {
2530	>	assertEquals(null, h2.join());
2531	>	rs[2].assertValue(v1);
2532	>	} catch (CompletionException ok) {
2533	>	checkCompletedWithWrappedException(h2, ex);
2534	>	rs[2].assertNotInvoked();
2535	>	}
2536	>	try {
2537	>	assertEquals(null, h3.join());
2538	>	rs[3].assertValue(v1);
2539	>	} catch (CompletionException ok) {
2540	>	checkCompletedWithWrappedException(h3, ex);
2541	>	rs[3].assertNotInvoked();
2542		}
2543
2033	–	checkCompletedWithWrappedCFException(f, ex);
2034	–	checkCompletedNormally(g, v1);
2035	–	}}
2036	–
2037	–	/**
2038	–	* acceptEither result completes exceptionally if action does
2039	–	*/
2040	–	public void testAcceptEither_actionFailed1() {
2041	–	for (ExecutionMode m : ExecutionMode.values())
2042	–	for (Integer v1 : new Integer[] { 1, null })
2043	–	for (Integer v2 : new Integer[] { 2, null })
2044	–	{
2045	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2046	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2047	–	final FailingConsumer r = new FailingConsumer(m);
2048	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2049	–
2050	–	f.complete(v1);
2051	–	checkCompletedWithWrappedCFException(h);
2052	–	g.complete(v2);
2053	–	checkCompletedNormally(f, v1);
2054	–	checkCompletedNormally(g, v2);
2055	–	}}
2056	–
2057	–	public void testAcceptEither_actionFailed2() {
2058	–	for (ExecutionMode m : ExecutionMode.values())
2059	–	for (Integer v1 : new Integer[] { 1, null })
2060	–	for (Integer v2 : new Integer[] { 2, null })
2061	–	{
2062	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2063	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2064	–	final FailingConsumer r = new FailingConsumer(m);
2065	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2066	–
2067	–	g.complete(v2);
2068	–	checkCompletedWithWrappedCFException(h);
2069	–	f.complete(v1);
2544		checkCompletedNormally(f, v1);
2545	<	checkCompletedNormally(g, v2);
2545	>	checkCompletedExceptionally(g, ex);
2546		}}
2547
2548		/**
2549		* acceptEither result completes exceptionally if either source cancelled
2550		*/
2551	<	public void testAcceptEither_sourceCancelled1() {
2551	>	public void testAcceptEither_sourceCancelled() {
2552		for (ExecutionMode m : ExecutionMode.values())
2553		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2554		for (Integer v1 : new Integer[] { 1, null })
2555		{
2556		final CompletableFuture<Integer> f = new CompletableFuture<>();
2557		final CompletableFuture<Integer> g = new CompletableFuture<>();
2558	<	final IncAction r = new IncAction(m);
2559	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2558	>	final NoopConsumer[] rs = new NoopConsumer[6];
2559	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2560
2561	<	assertTrue(f.cancel(mayInterruptIfRunning));
2562	<	checkCompletedWithWrappedCancellationException(h);
2563	<	g.complete(v1);
2564	<
2565	<	checkCancelled(f);
2566	<	r.assertNotInvoked();
2567	<	checkCompletedNormally(g, v1);
2568	<	checkCompletedWithWrappedCancellationException(h);
2569	<	}}
2570	<
2571	<	public void testAcceptEither_sourceCancelled2() {
2572	<	for (ExecutionMode m : ExecutionMode.values())
2573	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2100	<	for (Integer v1 : new Integer[] { 1, null })
2101	<	{
2102	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2103	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2104	<	final IncAction r = new IncAction(m);
2105	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2106	<
2107	<	assertTrue(g.cancel(mayInterruptIfRunning));
2108	<	checkCompletedWithWrappedCancellationException(h);
2109	<	f.complete(v1);
2110	<
2111	<	checkCancelled(g);
2112	<	r.assertNotInvoked();
2113	<	checkCompletedNormally(f, v1);
2114	<	checkCompletedWithWrappedCancellationException(h);
2115	<	}}
2116	<
2117	<	public void testAcceptEither_sourceCancelled3() {
2118	<	for (ExecutionMode m : ExecutionMode.values())
2119	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2120	<	for (Integer v1 : new Integer[] { 1, null })
2121	<	{
2122	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2123	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2124	<	final IncAction r = new IncAction(m);
2561	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2562	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2563	>	checkIncomplete(h0);
2564	>	checkIncomplete(h1);
2565	>	rs[0].assertNotInvoked();
2566	>	rs[1].assertNotInvoked();
2567	>	f.cancel(mayInterruptIfRunning);
2568	>	checkCompletedWithWrappedCancellationException(h0);
2569	>	checkCompletedWithWrappedCancellationException(h1);
2570	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2571	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2572	>	checkCompletedWithWrappedCancellationException(h2);
2573	>	checkCompletedWithWrappedCancellationException(h3);
2574
2575	<	assertTrue(g.cancel(mayInterruptIfRunning));
2127	<	f.complete(v1);
2128	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2575	>	g.complete(v1);
2576
2577	<	// unspecified behavior
2578	<	Integer v;
2577	>	// unspecified behavior - both source completions available
2578	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2579	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2580		try {
2581	<	assertNull(h.join());
2582	<	r.assertInvoked();
2135	<	assertEquals(inc(v1), r.value);
2581	>	assertNull(h4.join());
2582	>	rs[4].assertValue(v1);
2583		} catch (CompletionException ok) {
2584	<	checkCompletedWithWrappedCancellationException(h);
2585	<	r.assertNotInvoked();
2584	>	checkCompletedWithWrappedCancellationException(h4);
2585	>	rs[4].assertNotInvoked();
2586		}
2140	–
2141	–	checkCancelled(g);
2142	–	checkCompletedNormally(f, v1);
2143	–	}}
2144	–
2145	–	public void testAcceptEither_sourceCancelled4() {
2146	–	for (ExecutionMode m : ExecutionMode.values())
2147	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2148	–	for (Integer v1 : new Integer[] { 1, null })
2149	–	{
2150	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2151	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2152	–	final IncAction r = new IncAction(m);
2153	–
2154	–	assertTrue(f.cancel(mayInterruptIfRunning));
2155	–	g.complete(v1);
2156	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2157	–
2158	–	// unspecified behavior
2159	–	Integer v;
2587		try {
2588	<	assertNull(h.join());
2589	<	r.assertInvoked();
2163	<	assertEquals(inc(v1), r.value);
2588	>	assertNull(h5.join());
2589	>	rs[5].assertValue(v1);
2590		} catch (CompletionException ok) {
2591	<	checkCompletedWithWrappedCancellationException(h);
2592	<	r.assertNotInvoked();
2591	>	checkCompletedWithWrappedCancellationException(h5);
2592	>	rs[5].assertNotInvoked();
2593		}
2594
2595		checkCancelled(f);
2596		checkCompletedNormally(g, v1);
2597	+	checkCompletedWithWrappedCancellationException(h0);
2598	+	checkCompletedWithWrappedCancellationException(h1);
2599	+	checkCompletedWithWrappedCancellationException(h2);
2600	+	checkCompletedWithWrappedCancellationException(h3);
2601	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2602		}}
2603
2604		/**
2605	<	* runAfterEither result completes normally after normal completion
2175	<	* of either source
2605	>	* acceptEither result completes exceptionally if action does
2606		*/
2607	<	public void testRunAfterEither_normalCompletion1() {
2607	>	public void testAcceptEither_actionFailed() {
2608		for (ExecutionMode m : ExecutionMode.values())
2609		for (Integer v1 : new Integer[] { 1, null })
2610		for (Integer v2 : new Integer[] { 2, null })
2611		{
2612		final CompletableFuture<Integer> f = new CompletableFuture<>();
2613		final CompletableFuture<Integer> g = new CompletableFuture<>();
2614	<	final Noop r = new Noop(m);
2615	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2614	>	final FailingConsumer[] rs = new FailingConsumer[6];
2615	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2616
2617	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2618	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2619		f.complete(v1);
2620	<	checkCompletedNormally(h, null);
2621	<	r.assertInvoked();
2622	<	g.complete(v2);
2620	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2621	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2622	>	checkCompletedWithWrappedCFException(h0);
2623	>	checkCompletedWithWrappedCFException(h1);
2624	>	checkCompletedWithWrappedCFException(h2);
2625	>	checkCompletedWithWrappedCFException(h3);
2626	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2627
2628	<	checkCompletedNormally(f, v1);
2193	<	checkCompletedNormally(g, v2);
2194	<	checkCompletedNormally(h, null);
2195	<	r.assertInvoked();
2196	<	}}
2628	>	g.complete(v2);
2629
2630	<	public void testRunAfterEither_normalCompletion2() {
2631	<	for (ExecutionMode m : ExecutionMode.values())
2632	<	for (Integer v1 : new Integer[] { 1, null })
2201	<	for (Integer v2 : new Integer[] { 2, null })
2202	<	{
2203	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2204	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2205	<	final Noop r = new Noop(m);
2206	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2630	>	// unspecified behavior - both source completions available
2631	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2632	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2633
2634	<	g.complete(v2);
2635	<	checkCompletedNormally(h, null);
2636	<	r.assertInvoked();
2637	<	f.complete(v1);
2634	>	checkCompletedWithWrappedCFException(h4);
2635	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2636	>	Objects.equals(v2, rs[4].value));
2637	>	checkCompletedWithWrappedCFException(h5);
2638	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2639	>	Objects.equals(v2, rs[5].value));
2640
2641		checkCompletedNormally(f, v1);
2642		checkCompletedNormally(g, v2);
2643	<	checkCompletedNormally(h, null);
2216	<	r.assertInvoked();
2217	<	}}
2643	>	}}
2644
2645	<	public void testRunAfterEither_normalCompletion3() {
2645	>	/**
2646	>	* runAfterEither result completes normally after normal completion
2647	>	* of either source
2648	>	*/
2649	>	public void testRunAfterEither_normalCompletion() {
2650		for (ExecutionMode m : ExecutionMode.values())
2651		for (Integer v1 : new Integer[] { 1, null })
2652		for (Integer v2 : new Integer[] { 2, null })
2653		{
2654		final CompletableFuture<Integer> f = new CompletableFuture<>();
2655		final CompletableFuture<Integer> g = new CompletableFuture<>();
2656	<	final Noop r = new Noop(m);
2656	>	final Noop[] rs = new Noop[6];
2657	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2658
2659	+	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2660	+	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2661	+	checkIncomplete(h0);
2662	+	checkIncomplete(h1);
2663	+	rs[0].assertNotInvoked();
2664	+	rs[1].assertNotInvoked();
2665		f.complete(v1);
2666	+	checkCompletedNormally(h0, null);
2667	+	checkCompletedNormally(h1, null);
2668	+	rs[0].assertInvoked();
2669	+	rs[1].assertInvoked();
2670	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2671	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2672	+	checkCompletedNormally(h2, null);
2673	+	checkCompletedNormally(h3, null);
2674	+	rs[2].assertInvoked();
2675	+	rs[3].assertInvoked();
2676	+
2677		g.complete(v2);
2230	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2678
2679	<	checkCompletedNormally(h, null);
2679	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2680	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2681	>
2682		checkCompletedNormally(f, v1);
2683		checkCompletedNormally(g, v2);
2684	<	r.assertInvoked();
2684	>	checkCompletedNormally(h0, null);
2685	>	checkCompletedNormally(h1, null);
2686	>	checkCompletedNormally(h2, null);
2687	>	checkCompletedNormally(h3, null);
2688	>	checkCompletedNormally(h4, null);
2689	>	checkCompletedNormally(h5, null);
2690	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2691		}}
2692
2693		/**
2694		* runAfterEither result completes exceptionally after exceptional
2695		* completion of either source
2696		*/
2697	<	public void testRunAfterEither_exceptionalCompletion1() {
2697	>	public void testRunAfterEither_exceptionalCompletion() {
2698		for (ExecutionMode m : ExecutionMode.values())
2699		for (Integer v1 : new Integer[] { 1, null })
2700		{
2701		final CompletableFuture<Integer> f = new CompletableFuture<>();
2702		final CompletableFuture<Integer> g = new CompletableFuture<>();
2248	–	final Noop r = new Noop(m);
2249	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2703		final CFException ex = new CFException();
2704	+	final Noop[] rs = new Noop[6];
2705	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2706
2707	<	f.completeExceptionally(ex);
2708	<	checkCompletedWithWrappedCFException(h, ex);
2709	<	g.complete(v1);
2710	<
2711	<	r.assertNotInvoked();
2712	<	checkCompletedNormally(g, v1);
2713	<	checkCompletedWithWrappedCFException(f, ex);
2714	<	checkCompletedWithWrappedCFException(h, ex);
2715	<	}}
2716	<
2717	<	public void testRunAfterEither_exceptionalCompletion2() {
2718	<	for (ExecutionMode m : ExecutionMode.values())
2719	<	for (Integer v1 : new Integer[] { 1, null })
2265	<	{
2266	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2267	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2268	<	final Noop r = new Noop(m);
2269	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2270	<	final CFException ex = new CFException();
2271	<
2272	<	g.completeExceptionally(ex);
2273	<	checkCompletedWithWrappedCFException(h, ex);
2274	<	f.complete(v1);
2275	<
2276	<	r.assertNotInvoked();
2277	<	checkCompletedNormally(f, v1);
2278	<	checkCompletedWithWrappedCFException(g, ex);
2279	<	checkCompletedWithWrappedCFException(h, ex);
2280	<	}}
2281	<
2282	<	public void testRunAfterEither_exceptionalCompletion3() {
2283	<	for (ExecutionMode m : ExecutionMode.values())
2284	<	for (Integer v1 : new Integer[] { 1, null })
2285	<	{
2286	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2287	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2288	<	final Noop r = new Noop(m);
2289	<	final CFException ex = new CFException();
2707	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2708	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2709	>	checkIncomplete(h0);
2710	>	checkIncomplete(h1);
2711	>	rs[0].assertNotInvoked();
2712	>	rs[1].assertNotInvoked();
2713	>	assertTrue(f.completeExceptionally(ex));
2714	>	checkCompletedWithWrappedException(h0, ex);
2715	>	checkCompletedWithWrappedException(h1, ex);
2716	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2717	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2718	>	checkCompletedWithWrappedException(h2, ex);
2719	>	checkCompletedWithWrappedException(h3, ex);
2720
2721	<	g.completeExceptionally(ex);
2292	<	f.complete(v1);
2293	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2721	>	assertTrue(g.complete(v1));
2722
2723	<	// unspecified behavior
2724	<	Integer v;
2723	>	// unspecified behavior - both source completions available
2724	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2725	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2726		try {
2727	<	assertNull(h.join());
2728	<	r.assertInvoked();
2727	>	assertNull(h4.join());
2728	>	rs[4].assertInvoked();
2729		} catch (CompletionException ok) {
2730	<	checkCompletedWithWrappedCFException(h, ex);
2731	<	r.assertNotInvoked();
2730	>	checkCompletedWithWrappedException(h4, ex);
2731	>	rs[4].assertNotInvoked();
2732		}
2304	–
2305	–	checkCompletedWithWrappedCFException(g, ex);
2306	–	checkCompletedNormally(f, v1);
2307	–	}}
2308	–
2309	–	public void testRunAfterEither_exceptionalCompletion4() {
2310	–	for (ExecutionMode m : ExecutionMode.values())
2311	–	for (Integer v1 : new Integer[] { 1, null })
2312	–	{
2313	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2314	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2315	–	final Noop r = new Noop(m);
2316	–	final CFException ex = new CFException();
2317	–
2318	–	f.completeExceptionally(ex);
2319	–	g.complete(v1);
2320	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2321	–
2322	–	// unspecified behavior
2323	–	Integer v;
2733		try {
2734	<	assertNull(h.join());
2735	<	r.assertInvoked();
2734	>	assertNull(h5.join());
2735	>	rs[5].assertInvoked();
2736		} catch (CompletionException ok) {
2737	<	checkCompletedWithWrappedCFException(h, ex);
2738	<	r.assertNotInvoked();
2737	>	checkCompletedWithWrappedException(h5, ex);
2738	>	rs[5].assertNotInvoked();
2739		}
2740
2741	<	checkCompletedWithWrappedCFException(f, ex);
2741	>	checkCompletedExceptionally(f, ex);
2742		checkCompletedNormally(g, v1);
2743	+	checkCompletedWithWrappedException(h0, ex);
2744	+	checkCompletedWithWrappedException(h1, ex);
2745	+	checkCompletedWithWrappedException(h2, ex);
2746	+	checkCompletedWithWrappedException(h3, ex);
2747	+	checkCompletedWithWrappedException(h4, ex);
2748	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2749		}}
2750
2751	<	/**
2337	<	* runAfterEither result completes exceptionally if action does
2338	<	*/
2339	<	public void testRunAfterEither_actionFailed1() {
2751	>	public void testRunAfterEither_exceptionalCompletion2() {
2752		for (ExecutionMode m : ExecutionMode.values())
2753	+	for (boolean fFirst : new boolean[] { true, false })
2754		for (Integer v1 : new Integer[] { 1, null })
2342	–	for (Integer v2 : new Integer[] { 2, null })
2755		{
2756		final CompletableFuture<Integer> f = new CompletableFuture<>();
2757		final CompletableFuture<Integer> g = new CompletableFuture<>();
2758	<	final FailingRunnable r = new FailingRunnable(m);
2759	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2758	>	final CFException ex = new CFException();
2759	>	final Noop[] rs = new Noop[6];
2760	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2761
2762	<	f.complete(v1);
2763	<	checkCompletedWithWrappedCFException(h);
2764	<	g.complete(v2);
2765	<	checkCompletedNormally(f, v1);
2766	<	checkCompletedNormally(g, v2);
2767	<	}}
2762	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2763	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2764	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2765	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2766	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2767	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2768
2769	<	public void testRunAfterEither_actionFailed2() {
2770	<	for (ExecutionMode m : ExecutionMode.values())
2771	<	for (Integer v1 : new Integer[] { 1, null })
2772	<	for (Integer v2 : new Integer[] { 2, null })
2773	<	{
2774	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2775	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2776	<	final FailingRunnable r = new FailingRunnable(m);
2777	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2769	>	// unspecified behavior - both source completions available
2770	>	try {
2771	>	assertEquals(null, h0.join());
2772	>	rs[0].assertInvoked();
2773	>	} catch (CompletionException ok) {
2774	>	checkCompletedWithWrappedException(h0, ex);
2775	>	rs[0].assertNotInvoked();
2776	>	}
2777	>	try {
2778	>	assertEquals(null, h1.join());
2779	>	rs[1].assertInvoked();
2780	>	} catch (CompletionException ok) {
2781	>	checkCompletedWithWrappedException(h1, ex);
2782	>	rs[1].assertNotInvoked();
2783	>	}
2784	>	try {
2785	>	assertEquals(null, h2.join());
2786	>	rs[2].assertInvoked();
2787	>	} catch (CompletionException ok) {
2788	>	checkCompletedWithWrappedException(h2, ex);
2789	>	rs[2].assertNotInvoked();
2790	>	}
2791	>	try {
2792	>	assertEquals(null, h3.join());
2793	>	rs[3].assertInvoked();
2794	>	} catch (CompletionException ok) {
2795	>	checkCompletedWithWrappedException(h3, ex);
2796	>	rs[3].assertNotInvoked();
2797	>	}
2798
2366	–	g.complete(v2);
2367	–	checkCompletedWithWrappedCFException(h);
2368	–	f.complete(v1);
2799		checkCompletedNormally(f, v1);
2800	<	checkCompletedNormally(g, v2);
2800	>	checkCompletedExceptionally(g, ex);
2801		}}
2802
2803		/**
2804		* runAfterEither result completes exceptionally if either source cancelled
2805		*/
2806	<	public void testRunAfterEither_sourceCancelled1() {
2806	>	public void testRunAfterEither_sourceCancelled() {
2807		for (ExecutionMode m : ExecutionMode.values())
2808		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2809		for (Integer v1 : new Integer[] { 1, null })
2810		{
2811		final CompletableFuture<Integer> f = new CompletableFuture<>();
2812		final CompletableFuture<Integer> g = new CompletableFuture<>();
2813	<	final Noop r = new Noop(m);
2814	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2385	<
2386	<	assertTrue(f.cancel(mayInterruptIfRunning));
2387	<	checkCompletedWithWrappedCancellationException(h);
2388	<	g.complete(v1);
2389	<
2390	<	checkCancelled(f);
2391	<	r.assertNotInvoked();
2392	<	checkCompletedNormally(g, v1);
2393	<	checkCompletedWithWrappedCancellationException(h);
2394	<	}}
2395	<
2396	<	public void testRunAfterEither_sourceCancelled2() {
2397	<	for (ExecutionMode m : ExecutionMode.values())
2398	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2399	<	for (Integer v1 : new Integer[] { 1, null })
2400	<	{
2401	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2402	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2403	<	final Noop r = new Noop(m);
2404	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2405	<
2406	<	assertTrue(g.cancel(mayInterruptIfRunning));
2407	<	checkCompletedWithWrappedCancellationException(h);
2408	<	f.complete(v1);
2409	<
2410	<	checkCancelled(g);
2411	<	r.assertNotInvoked();
2412	<	checkCompletedNormally(f, v1);
2413	<	checkCompletedWithWrappedCancellationException(h);
2414	<	}}
2813	>	final Noop[] rs = new Noop[6];
2814	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2815
2816	<	public void testRunAfterEither_sourceCancelled3() {
2817	<	for (ExecutionMode m : ExecutionMode.values())
2818	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2819	<	for (Integer v1 : new Integer[] { 1, null })
2820	<	{
2821	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2822	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2823	<	final Noop r = new Noop(m);
2816	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2817	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2818	>	checkIncomplete(h0);
2819	>	checkIncomplete(h1);
2820	>	rs[0].assertNotInvoked();
2821	>	rs[1].assertNotInvoked();
2822	>	f.cancel(mayInterruptIfRunning);
2823	>	checkCompletedWithWrappedCancellationException(h0);
2824	>	checkCompletedWithWrappedCancellationException(h1);
2825	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2826	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2827	>	checkCompletedWithWrappedCancellationException(h2);
2828	>	checkCompletedWithWrappedCancellationException(h3);
2829
2830	<	assertTrue(g.cancel(mayInterruptIfRunning));
2426	<	f.complete(v1);
2427	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2830	>	assertTrue(g.complete(v1));
2831
2832	<	// unspecified behavior
2833	<	Integer v;
2832	>	// unspecified behavior - both source completions available
2833	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2834	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2835		try {
2836	<	assertNull(h.join());
2837	<	r.assertInvoked();
2836	>	assertNull(h4.join());
2837	>	rs[4].assertInvoked();
2838		} catch (CompletionException ok) {
2839	<	checkCompletedWithWrappedCancellationException(h);
2840	<	r.assertNotInvoked();
2839	>	checkCompletedWithWrappedCancellationException(h4);
2840	>	rs[4].assertNotInvoked();
2841	>	}
2842	>	try {
2843	>	assertNull(h5.join());
2844	>	rs[5].assertInvoked();
2845	>	} catch (CompletionException ok) {
2846	>	checkCompletedWithWrappedCancellationException(h5);
2847	>	rs[5].assertNotInvoked();
2848		}
2849
2850	<	checkCancelled(g);
2851	<	checkCompletedNormally(f, v1);
2850	>	checkCancelled(f);
2851	>	checkCompletedNormally(g, v1);
2852	>	checkCompletedWithWrappedCancellationException(h0);
2853	>	checkCompletedWithWrappedCancellationException(h1);
2854	>	checkCompletedWithWrappedCancellationException(h2);
2855	>	checkCompletedWithWrappedCancellationException(h3);
2856	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2857		}}
2858
2859	<	public void testRunAfterEither_sourceCancelled4() {
2859	>	/**
2860	>	* runAfterEither result completes exceptionally if action does
2861	>	*/
2862	>	public void testRunAfterEither_actionFailed() {
2863		for (ExecutionMode m : ExecutionMode.values())
2445	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2864		for (Integer v1 : new Integer[] { 1, null })
2865	+	for (Integer v2 : new Integer[] { 2, null })
2866		{
2867		final CompletableFuture<Integer> f = new CompletableFuture<>();
2868		final CompletableFuture<Integer> g = new CompletableFuture<>();
2869	<	final Noop r = new Noop(m);
2869	>	final FailingRunnable[] rs = new FailingRunnable[6];
2870	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2871
2872	<	assertTrue(f.cancel(mayInterruptIfRunning));
2873	<	g.complete(v1);
2874	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2875	<
2876	<	// unspecified behavior
2877	<	Integer v;
2878	<	try {
2879	<	assertNull(h.join());
2880	<	r.assertInvoked();
2881	<	} catch (CompletionException ok) {
2882	<	checkCompletedWithWrappedCancellationException(h);
2883	<	r.assertNotInvoked();
2884	<	}
2872	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2873	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2874	>	assertTrue(f.complete(v1));
2875	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2876	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2877	>	checkCompletedWithWrappedCFException(h0);
2878	>	checkCompletedWithWrappedCFException(h1);
2879	>	checkCompletedWithWrappedCFException(h2);
2880	>	checkCompletedWithWrappedCFException(h3);
2881	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2882	>	assertTrue(g.complete(v2));
2883	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2884	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2885	>	checkCompletedWithWrappedCFException(h4);
2886	>	checkCompletedWithWrappedCFException(h5);
2887
2888	<	checkCancelled(f);
2889	<	checkCompletedNormally(g, v1);
2888	>	checkCompletedNormally(f, v1);
2889	>	checkCompletedNormally(g, v2);
2890	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2891		}}
2892
2893		/**
#	Line 2477 | Line 2900 | public class CompletableFutureTest exten
2900		{
2901		final CompletableFuture<Integer> f = new CompletableFuture<>();
2902		final CompletableFutureInc r = new CompletableFutureInc(m);
2903	<	if (!createIncomplete) f.complete(v1);
2903	>	if (!createIncomplete) assertTrue(f.complete(v1));
2904		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2905	<	if (createIncomplete) f.complete(v1);
2905	>	if (createIncomplete) assertTrue(f.complete(v1));
2906
2907		checkCompletedNormally(g, inc(v1));
2908		checkCompletedNormally(f, v1);
2909	<	r.assertInvoked();
2909	>	r.assertValue(v1);
2910		}}
2911
2912		/**
#	Line 2501 | Line 2924 | public class CompletableFutureTest exten
2924		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2925		if (createIncomplete) f.completeExceptionally(ex);
2926
2927	<	checkCompletedWithWrappedCFException(g, ex);
2928	<	checkCompletedWithWrappedCFException(f, ex);
2927	>	checkCompletedWithWrappedException(g, ex);
2928	>	checkCompletedExceptionally(f, ex);
2929		r.assertNotInvoked();
2930		}}
2931
#	Line 2517 | Line 2940 | public class CompletableFutureTest exten
2940		final CompletableFuture<Integer> f = new CompletableFuture<>();
2941		final FailingCompletableFutureFunction r
2942		= new FailingCompletableFutureFunction(m);
2943	<	if (!createIncomplete) f.complete(v1);
2943	>	if (!createIncomplete) assertTrue(f.complete(v1));
2944		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2945	<	if (createIncomplete) f.complete(v1);
2945	>	if (createIncomplete) assertTrue(f.complete(v1));
2946
2947		checkCompletedWithWrappedCFException(g);
2948		checkCompletedNormally(f, v1);
#	Line 2546 | Line 2969 | public class CompletableFutureTest exten
2969		checkCancelled(f);
2970		}}
2971
2972	+	/**
2973	+	* thenCompose result completes exceptionally if the result of the action does
2974	+	*/
2975	+	public void testThenCompose_actionReturnsFailingFuture() {
2976	+	for (ExecutionMode m : ExecutionMode.values())
2977	+	for (int order = 0; order < 6; order++)
2978	+	for (Integer v1 : new Integer[] { 1, null })
2979	+	{
2980	+	final CFException ex = new CFException();
2981	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
2982	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
2983	+	final CompletableFuture<Integer> h;
2984	+	// Test all permutations of orders
2985	+	switch (order) {
2986	+	case 0:
2987	+	assertTrue(f.complete(v1));
2988	+	assertTrue(g.completeExceptionally(ex));
2989	+	h = m.thenCompose(f, (x -> g));
2990	+	break;
2991	+	case 1:
2992	+	assertTrue(f.complete(v1));
2993	+	h = m.thenCompose(f, (x -> g));
2994	+	assertTrue(g.completeExceptionally(ex));
2995	+	break;
2996	+	case 2:
2997	+	assertTrue(g.completeExceptionally(ex));
2998	+	assertTrue(f.complete(v1));
2999	+	h = m.thenCompose(f, (x -> g));
3000	+	break;
3001	+	case 3:
3002	+	assertTrue(g.completeExceptionally(ex));
3003	+	h = m.thenCompose(f, (x -> g));
3004	+	assertTrue(f.complete(v1));
3005	+	break;
3006	+	case 4:
3007	+	h = m.thenCompose(f, (x -> g));
3008	+	assertTrue(f.complete(v1));
3009	+	assertTrue(g.completeExceptionally(ex));
3010	+	break;
3011	+	case 5:
3012	+	h = m.thenCompose(f, (x -> g));
3013	+	assertTrue(f.complete(v1));
3014	+	assertTrue(g.completeExceptionally(ex));
3015	+	break;
3016	+	default: throw new AssertionError();
3017	+	}
3018	+
3019	+	checkCompletedExceptionally(g, ex);
3020	+	checkCompletedWithWrappedException(h, ex);
3021	+	checkCompletedNormally(f, v1);
3022	+	}}
3023	+
3024		// other static methods
3025
3026		/**
#	Line 2562 | Line 3037 | public class CompletableFutureTest exten
3037		* when all components complete normally
3038		*/
3039		public void testAllOf_normal() throws Exception {
3040	<	for (int k = 1; k < 20; ++k) {
3040	>	for (int k = 1; k < 10; k++) {
3041		CompletableFuture<Integer>[] fs
3042		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3043	<	for (int i = 0; i < k; ++i)
3043	>	for (int i = 0; i < k; i++)
3044		fs[i] = new CompletableFuture<>();
3045		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3046	<	for (int i = 0; i < k; ++i) {
3046	>	for (int i = 0; i < k; i++) {
3047		checkIncomplete(f);
3048		checkIncomplete(CompletableFuture.allOf(fs));
3049		fs[i].complete(one);
#	Line 2579 | Line 3054 | public class CompletableFutureTest exten
3054		}
3055
3056		public void testAllOf_backwards() throws Exception {
3057	<	for (int k = 1; k < 20; ++k) {
3057	>	for (int k = 1; k < 10; k++) {
3058		CompletableFuture<Integer>[] fs
3059		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3060	<	for (int i = 0; i < k; ++i)
3060	>	for (int i = 0; i < k; i++)
3061		fs[i] = new CompletableFuture<>();
3062		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3063		for (int i = k - 1; i >= 0; i--) {
#	Line 2595 | Line 3070 | public class CompletableFutureTest exten
3070		}
3071		}
3072
3073	+	public void testAllOf_exceptional() throws Exception {
3074	+	for (int k = 1; k < 10; k++) {
3075	+	CompletableFuture<Integer>[] fs
3076	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3077	+	CFException ex = new CFException();
3078	+	for (int i = 0; i < k; i++)
3079	+	fs[i] = new CompletableFuture<>();
3080	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3081	+	for (int i = 0; i < k; i++) {
3082	+	checkIncomplete(f);
3083	+	checkIncomplete(CompletableFuture.allOf(fs));
3084	+	if (i != k / 2) {
3085	+	fs[i].complete(i);
3086	+	checkCompletedNormally(fs[i], i);
3087	+	} else {
3088	+	fs[i].completeExceptionally(ex);
3089	+	checkCompletedExceptionally(fs[i], ex);
3090	+	}
3091	+	}
3092	+	checkCompletedWithWrappedException(f, ex);
3093	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3094	+	}
3095	+	}
3096	+
3097		/**
3098		* anyOf(no component futures) returns an incomplete future
3099		*/
3100		public void testAnyOf_empty() throws Exception {
3101	+	for (Integer v1 : new Integer[] { 1, null })
3102	+	{
3103		CompletableFuture<Object> f = CompletableFuture.anyOf();
3104		checkIncomplete(f);
3105	<	}
3105	>
3106	>	f.complete(v1);
3107	>	checkCompletedNormally(f, v1);
3108	>	}}
3109
3110		/**
3111		* anyOf returns a future completed normally with a value when
3112		* a component future does
3113		*/
3114		public void testAnyOf_normal() throws Exception {
3115	<	for (int k = 0; k < 10; ++k) {
3115	>	for (int k = 0; k < 10; k++) {
3116		CompletableFuture[] fs = new CompletableFuture[k];
3117	<	for (int i = 0; i < k; ++i)
3117	>	for (int i = 0; i < k; i++)
3118		fs[i] = new CompletableFuture<>();
3119		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3120		checkIncomplete(f);
3121	<	for (int i = 0; i < k; ++i) {
3122	<	fs[i].complete(one);
3123	<	checkCompletedNormally(f, one);
3124	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3121	>	for (int i = 0; i < k; i++) {
3122	>	fs[i].complete(i);
3123	>	checkCompletedNormally(f, 0);
3124	>	int x = (int) CompletableFuture.anyOf(fs).join();
3125	>	assertTrue(0 <= x && x <= i);
3126	>	}
3127	>	}
3128	>	}
3129	>	public void testAnyOf_normal_backwards() throws Exception {
3130	>	for (int k = 0; k < 10; k++) {
3131	>	CompletableFuture[] fs = new CompletableFuture[k];
3132	>	for (int i = 0; i < k; i++)
3133	>	fs[i] = new CompletableFuture<>();
3134	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3135	>	checkIncomplete(f);
3136	>	for (int i = k - 1; i >= 0; i--) {
3137	>	fs[i].complete(i);
3138	>	checkCompletedNormally(f, k - 1);
3139	>	int x = (int) CompletableFuture.anyOf(fs).join();
3140	>	assertTrue(i <= x && x <= k - 1);
3141		}
3142		}
3143		}
#	Line 2626 | Line 3146 | public class CompletableFutureTest exten
3146		* anyOf result completes exceptionally when any component does.
3147		*/
3148		public void testAnyOf_exceptional() throws Exception {
3149	<	for (int k = 0; k < 10; ++k) {
3149	>	for (int k = 0; k < 10; k++) {
3150	>	CompletableFuture[] fs = new CompletableFuture[k];
3151	>	CFException[] exs = new CFException[k];
3152	>	for (int i = 0; i < k; i++) {
3153	>	fs[i] = new CompletableFuture<>();
3154	>	exs[i] = new CFException();
3155	>	}
3156	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3157	>	checkIncomplete(f);
3158	>	for (int i = 0; i < k; i++) {
3159	>	fs[i].completeExceptionally(exs[i]);
3160	>	checkCompletedWithWrappedException(f, exs[0]);
3161	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3162	>	}
3163	>	}
3164	>	}
3165	>
3166	>	public void testAnyOf_exceptional_backwards() throws Exception {
3167	>	for (int k = 0; k < 10; k++) {
3168		CompletableFuture[] fs = new CompletableFuture[k];
3169	<	for (int i = 0; i < k; ++i)
3169	>	CFException[] exs = new CFException[k];
3170	>	for (int i = 0; i < k; i++) {
3171		fs[i] = new CompletableFuture<>();
3172	+	exs[i] = new CFException();
3173	+	}
3174		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3175		checkIncomplete(f);
3176	<	for (int i = 0; i < k; ++i) {
3177	<	fs[i].completeExceptionally(new CFException());
3178	<	checkCompletedWithWrappedCFException(f);
3176	>	for (int i = k - 1; i >= 0; i--) {
3177	>	fs[i].completeExceptionally(exs[i]);
3178	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3179		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3180		}
3181		}
#	Line 2647 | Line 3188 | public class CompletableFutureTest exten
3188		CompletableFuture<Integer> f = new CompletableFuture<>();
3189		CompletableFuture<Integer> g = new CompletableFuture<>();
3190		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2650	–	CompletableFuture<?> h;
3191		ThreadExecutor exec = new ThreadExecutor();
3192
3193		Runnable[] throwingActions = {
3194		() -> CompletableFuture.supplyAsync(null),
3195		() -> CompletableFuture.supplyAsync(null, exec),
3196	<	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
3196	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3197
3198		() -> CompletableFuture.runAsync(null),
3199		() -> CompletableFuture.runAsync(null, exec),
#	Line 2744 | Line 3284 | public class CompletableFutureTest exten
3284		() -> CompletableFuture.anyOf(null, f),
3285
3286		() -> f.obtrudeException(null),
3287	+
3288	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3289	+	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3290	+	() -> CompletableFuture.delayedExecutor(1L, null),
3291	+
3292	+	() -> f.orTimeout(1L, null),
3293	+	() -> f.completeOnTimeout(42, 1L, null),
3294	+
3295	+	() -> CompletableFuture.failedFuture(null),
3296	+	() -> CompletableFuture.failedStage(null),
3297		};
3298
3299		assertThrows(NullPointerException.class, throwingActions);
#	Line 2758 | Line 3308 | public class CompletableFutureTest exten
3308		assertSame(f, f.toCompletableFuture());
3309		}
3310
3311	+	// jdk9
3312	+
3313		/**
3314	<	* whenComplete action executes on normal completion, propagating
2763	<	* source result.
3314	>	* newIncompleteFuture returns an incomplete CompletableFuture
3315		*/
3316	<	public void testWhenComplete_normalCompletion1() {
2766	<	for (ExecutionMode m : ExecutionMode.values())
2767	<	for (boolean createIncomplete : new boolean[] { true, false })
3316	>	public void testNewIncompleteFuture() {
3317		for (Integer v1 : new Integer[] { 1, null })
3318		{
3319	<	final AtomicInteger a = new AtomicInteger(0);
3320	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3321	<	if (!createIncomplete) f.complete(v1);
3322	<	final CompletableFuture<Integer> g = m.whenComplete
3323	<	(f,
2775	<	(Integer x, Throwable t) -> {
2776	<	threadAssertSame(x, v1);
2777	<	threadAssertNull(t);
2778	<	a.getAndIncrement();
2779	<	});
2780	<	if (createIncomplete) f.complete(v1);
2781	<
2782	<	checkCompletedNormally(g, v1);
3319	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3320	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3321	>	checkIncomplete(f);
3322	>	checkIncomplete(g);
3323	>	f.complete(v1);
3324		checkCompletedNormally(f, v1);
3325	<	assertEquals(1, a.get());
3325	>	checkIncomplete(g);
3326	>	g.complete(v1);
3327	>	checkCompletedNormally(g, v1);
3328	>	assertSame(g.getClass(), CompletableFuture.class);
3329		}}
3330
3331		/**
3332	<	* whenComplete action executes on exceptional completion, propagating
2789	<	* source result.
3332	>	* completedStage returns a completed CompletionStage
3333		*/
3334	<	public void testWhenComplete_exceptionalCompletion() {
3335	<	for (ExecutionMode m : ExecutionMode.values())
3336	<	for (boolean createIncomplete : new boolean[] { true, false })
3334	>	public void testCompletedStage() {
3335	>	AtomicInteger x = new AtomicInteger(0);
3336	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3337	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3338	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3339	>	assertEquals(x.get(), 1);
3340	>	assertNull(r.get());
3341	>	}
3342	>
3343	>	/**
3344	>	* defaultExecutor by default returns the commonPool if
3345	>	* it supports more than one thread.
3346	>	*/
3347	>	public void testDefaultExecutor() {
3348	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3349	>	Executor e = f.defaultExecutor();
3350	>	Executor c = ForkJoinPool.commonPool();
3351	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3352	>	assertSame(e, c);
3353	>	else
3354	>	assertNotSame(e, c);
3355	>	}
3356	>
3357	>	/**
3358	>	* failedFuture returns a CompletableFuture completed
3359	>	* exceptionally with the given Exception
3360	>	*/
3361	>	public void testFailedFuture() {
3362	>	CFException ex = new CFException();
3363	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3364	>	checkCompletedExceptionally(f, ex);
3365	>	}
3366	>
3367	>	/**
3368	>	* failedFuture(null) throws NPE
3369	>	*/
3370	>	public void testFailedFuture_null() {
3371	>	try {
3372	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3373	>	shouldThrow();
3374	>	} catch (NullPointerException success) {}
3375	>	}
3376	>
3377	>	/**
3378	>	* copy returns a CompletableFuture that is completed normally,
3379	>	* with the same value, when source is.
3380	>	*/
3381	>	public void testCopy() {
3382	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3383	>	CompletableFuture<Integer> g = f.copy();
3384	>	checkIncomplete(f);
3385	>	checkIncomplete(g);
3386	>	f.complete(1);
3387	>	checkCompletedNormally(f, 1);
3388	>	checkCompletedNormally(g, 1);
3389	>	}
3390	>
3391	>	/**
3392	>	* copy returns a CompletableFuture that is completed exceptionally
3393	>	* when source is.
3394	>	*/
3395	>	public void testCopy2() {
3396	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3397	>	CompletableFuture<Integer> g = f.copy();
3398	>	checkIncomplete(f);
3399	>	checkIncomplete(g);
3400	>	CFException ex = new CFException();
3401	>	f.completeExceptionally(ex);
3402	>	checkCompletedExceptionally(f, ex);
3403	>	checkCompletedWithWrappedException(g, ex);
3404	>	}
3405	>
3406	>	/**
3407	>	* minimalCompletionStage returns a CompletableFuture that is
3408	>	* completed normally, with the same value, when source is.
3409	>	*/
3410	>	public void testMinimalCompletionStage() {
3411	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3412	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3413	>	AtomicInteger x = new AtomicInteger(0);
3414	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3415	>	checkIncomplete(f);
3416	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3417	>	f.complete(1);
3418	>	checkCompletedNormally(f, 1);
3419	>	assertEquals(x.get(), 1);
3420	>	assertNull(r.get());
3421	>	}
3422	>
3423	>	/**
3424	>	* minimalCompletionStage returns a CompletableFuture that is
3425	>	* completed exceptionally when source is.
3426	>	*/
3427	>	public void testMinimalCompletionStage2() {
3428	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3429	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3430	>	AtomicInteger x = new AtomicInteger(0);
3431	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3432	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3433	>	checkIncomplete(f);
3434	>	CFException ex = new CFException();
3435	>	f.completeExceptionally(ex);
3436	>	checkCompletedExceptionally(f, ex);
3437	>	assertEquals(x.get(), 0);
3438	>	assertEquals(r.get().getCause(), ex);
3439	>	}
3440	>
3441	>	/**
3442	>	* failedStage returns a CompletionStage completed
3443	>	* exceptionally with the given Exception
3444	>	*/
3445	>	public void testFailedStage() {
3446	>	CFException ex = new CFException();
3447	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3448	>	AtomicInteger x = new AtomicInteger(0);
3449	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3450	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3451	>	assertEquals(x.get(), 0);
3452	>	assertEquals(r.get(), ex);
3453	>	}
3454	>
3455	>	/**
3456	>	* completeAsync completes with value of given supplier
3457	>	*/
3458	>	public void testCompleteAsync() {
3459		for (Integer v1 : new Integer[] { 1, null })
3460		{
3461	<	final AtomicInteger a = new AtomicInteger(0);
3462	<	final CFException ex = new CFException();
3463	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3464	<	if (!createIncomplete) f.completeExceptionally(ex);
2800	<	final CompletableFuture<Integer> g = m.whenComplete
2801	<	(f,
2802	<	(Integer x, Throwable t) -> {
2803	<	threadAssertNull(x);
2804	<	threadAssertSame(t, ex);
2805	<	a.getAndIncrement();
2806	<	});
2807	<	if (createIncomplete) f.completeExceptionally(ex);
2808	<	checkCompletedWithWrappedCFException(f, ex);
2809	<	checkCompletedWithWrappedCFException(g, ex);
2810	<	assertEquals(1, a.get());
3461	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3462	>	f.completeAsync(() -> v1);
3463	>	f.join();
3464	>	checkCompletedNormally(f, v1);
3465		}}
3466
3467		/**
3468	<	* whenComplete action executes on cancelled source, propagating
2815	<	* CancellationException.
3468	>	* completeAsync completes exceptionally if given supplier throws
3469		*/
3470	<	public void testWhenComplete_sourceCancelled() {
3471	<	for (ExecutionMode m : ExecutionMode.values())
3472	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3473	<	for (boolean createIncomplete : new boolean[] { true, false })
3470	>	public void testCompleteAsync2() {
3471	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3472	>	CFException ex = new CFException();
3473	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3474	>	try {
3475	>	f.join();
3476	>	shouldThrow();
3477	>	} catch (CompletionException success) {}
3478	>	checkCompletedWithWrappedException(f, ex);
3479	>	}
3480	>
3481	>	/**
3482	>	* completeAsync with given executor completes with value of given supplier
3483	>	*/
3484	>	public void testCompleteAsync3() {
3485	>	for (Integer v1 : new Integer[] { 1, null })
3486		{
3487	<	final AtomicInteger a = new AtomicInteger(0);
3488	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3489	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3490	<	final CompletableFuture<Integer> g = m.whenComplete
3491	<	(f,
3492	<	(Integer x, Throwable t) -> {
3493	<	threadAssertNull(x);
2829	<	threadAssertTrue(t instanceof CancellationException);
2830	<	a.getAndIncrement();
2831	<	});
2832	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3487	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3488	>	ThreadExecutor executor = new ThreadExecutor();
3489	>	f.completeAsync(() -> v1, executor);
3490	>	assertSame(v1, f.join());
3491	>	checkCompletedNormally(f, v1);
3492	>	assertEquals(1, executor.count.get());
3493	>	}}
3494
3495	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3496	<	checkCompletedWithWrappedCancellationException(g);
3497	<	checkCancelled(f);
3498	<	assertEquals(1, a.get());
3495	>	/**
3496	>	* completeAsync with given executor completes exceptionally if
3497	>	* given supplier throws
3498	>	*/
3499	>	public void testCompleteAsync4() {
3500	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3501	>	CFException ex = new CFException();
3502	>	ThreadExecutor executor = new ThreadExecutor();
3503	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3504	>	try {
3505	>	f.join();
3506	>	shouldThrow();
3507	>	} catch (CompletionException success) {}
3508	>	checkCompletedWithWrappedException(f, ex);
3509	>	assertEquals(1, executor.count.get());
3510	>	}
3511	>
3512	>	/**
3513	>	* orTimeout completes with TimeoutException if not complete
3514	>	*/
3515	>	public void testOrTimeout_timesOut() {
3516	>	long timeoutMillis = timeoutMillis();
3517	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3518	>	long startTime = System.nanoTime();
3519	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3520	>	checkCompletedWithTimeoutException(f);
3521	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3522	>	}
3523	>
3524	>	/**
3525	>	* orTimeout completes normally if completed before timeout
3526	>	*/
3527	>	public void testOrTimeout_completed() {
3528	>	for (Integer v1 : new Integer[] { 1, null })
3529	>	{
3530	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3531	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3532	>	long startTime = System.nanoTime();
3533	>	f.complete(v1);
3534	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3535	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3536	>	g.complete(v1);
3537	>	checkCompletedNormally(f, v1);
3538	>	checkCompletedNormally(g, v1);
3539	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3540		}}
3541
3542		/**
3543	<	* If a whenComplete action throws an exception when triggered by
2842	<	* a normal completion, it completes exceptionally
3543	>	* completeOnTimeout completes with given value if not complete
3544		*/
3545	<	public void testWhenComplete_actionFailed() {
3546	<	for (boolean createIncomplete : new boolean[] { true, false })
3547	<	for (ExecutionMode m : ExecutionMode.values())
3545	>	public void testCompleteOnTimeout_timesOut() {
3546	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3547	>	() -> testCompleteOnTimeout_timesOut(null));
3548	>	}
3549	>
3550	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3551	>	long timeoutMillis = timeoutMillis();
3552	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3553	>	long startTime = System.nanoTime();
3554	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3555	>	assertSame(v, f.join());
3556	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3557	>	f.complete(99);         // should have no effect
3558	>	checkCompletedNormally(f, v);
3559	>	}
3560	>
3561	>	/**
3562	>	* completeOnTimeout has no effect if completed within timeout
3563	>	*/
3564	>	public void testCompleteOnTimeout_completed() {
3565		for (Integer v1 : new Integer[] { 1, null })
3566		{
3567	<	final AtomicInteger a = new AtomicInteger(0);
3568	<	final CFException ex = new CFException();
3569	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3570	<	if (!createIncomplete) f.complete(v1);
3571	<	final CompletableFuture<Integer> g = m.whenComplete
3572	<	(f,
3573	<	(Integer x, Throwable t) -> {
2856	<	threadAssertSame(x, v1);
2857	<	threadAssertNull(t);
2858	<	a.getAndIncrement();
2859	<	throw ex;
2860	<	});
2861	<	if (createIncomplete) f.complete(v1);
3567	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3568	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3569	>	long startTime = System.nanoTime();
3570	>	f.complete(v1);
3571	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3572	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3573	>	g.complete(v1);
3574		checkCompletedNormally(f, v1);
3575	<	checkCompletedWithWrappedCFException(g, ex);
3576	<	assertEquals(1, a.get());
3575	>	checkCompletedNormally(g, v1);
3576	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3577		}}
3578
3579		/**
3580	<	* If a whenComplete action throws an exception when triggered by
2869	<	* a source completion that also throws an exception, the source
2870	<	* exception takes precedence.
3580	>	* delayedExecutor returns an executor that delays submission
3581		*/
3582	<	public void testWhenComplete_actionFailedSourceFailed() {
3583	<	for (boolean createIncomplete : new boolean[] { true, false })
3582	>	public void testDelayedExecutor() {
3583	>	testInParallel(() -> testDelayedExecutor(null, null),
3584	>	() -> testDelayedExecutor(null, 1),
3585	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3586	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3587	>	}
3588	>
3589	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3590	>	long timeoutMillis = timeoutMillis();
3591	>	// Use an "unreasonably long" long timeout to catch lingering threads
3592	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3593	>	final Executor delayer, longDelayer;
3594	>	if (executor == null) {
3595	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3596	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3597	>	} else {
3598	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3599	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3600	>	}
3601	>	long startTime = System.nanoTime();
3602	>	CompletableFuture<Integer> f =
3603	>	CompletableFuture.supplyAsync(() -> v, delayer);
3604	>	CompletableFuture<Integer> g =
3605	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3606	>
3607	>	assertNull(g.getNow(null));
3608	>
3609	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3610	>	long millisElapsed = millisElapsedSince(startTime);
3611	>	assertTrue(millisElapsed >= timeoutMillis);
3612	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3613	>
3614	>	checkCompletedNormally(f, v);
3615	>
3616	>	checkIncomplete(g);
3617	>	assertTrue(g.cancel(true));
3618	>	}
3619	>
3620	>	//--- tests of implementation details; not part of official tck ---
3621	>
3622	>	Object resultOf(CompletableFuture<?> f) {
3623	>	try {
3624	>	java.lang.reflect.Field resultField
3625	>	= CompletableFuture.class.getDeclaredField("result");
3626	>	resultField.setAccessible(true);
3627	>	return resultField.get(f);
3628	>	} catch (Throwable t) { throw new AssertionError(t); }
3629	>	}
3630	>
3631	>	public void testExceptionPropagationReusesResultObject() {
3632	>	if (!testImplementationDetails) return;
3633		for (ExecutionMode m : ExecutionMode.values())
2875	–	for (Integer v1 : new Integer[] { 1, null })
3634		{
3635	<	final AtomicInteger a = new AtomicInteger(0);
3636	<	final CFException ex1 = new CFException();
3637	<	final CFException ex2 = new CFException();
2880	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3635	>	final CFException ex = new CFException();
3636	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3637	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3638
3639	<	if (!createIncomplete) f.completeExceptionally(ex1);
3640	<	final CompletableFuture<Integer> g = m.whenComplete
2884	<	(f,
2885	<	(Integer x, Throwable t) -> {
2886	<	threadAssertSame(t, ex1);
2887	<	threadAssertNull(x);
2888	<	a.getAndIncrement();
2889	<	throw ex2;
2890	<	});
2891	<	if (createIncomplete) f.completeExceptionally(ex1);
3639	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3640	>	= new ArrayList<>();
3641
3642	<	checkCompletedWithWrappedCFException(f, ex1);
3643	<	checkCompletedWithWrappedCFException(g, ex1);
3644	<	assertEquals(1, a.get());
3642	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3643	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3644	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3645	>
3646	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3647	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3648	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3649	>
3650	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3651	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3652	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3653	>
3654	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3655	>
3656	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3657	>
3658	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3659	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3660	>
3661	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3662	>	fun : funs) {
3663	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3664	>	f.completeExceptionally(ex);
3665	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3666	>	checkCompletedWithWrappedException(src, ex);
3667	>	CompletableFuture<?> dep = fun.apply(src);
3668	>	checkCompletedWithWrappedException(dep, ex);
3669	>	assertSame(resultOf(src), resultOf(dep));
3670	>	}
3671	>
3672	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3673	>	fun : funs) {
3674	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3675	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3676	>	CompletableFuture<?> dep = fun.apply(src);
3677	>	f.completeExceptionally(ex);
3678	>	checkCompletedWithWrappedException(src, ex);
3679	>	checkCompletedWithWrappedException(dep, ex);
3680	>	assertSame(resultOf(src), resultOf(dep));
3681	>	}
3682	>
3683	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3684	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3685	>	fun : funs) {
3686	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3687	>	f.cancel(mayInterruptIfRunning);
3688	>	checkCancelled(f);
3689	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3690	>	checkCompletedWithWrappedCancellationException(src);
3691	>	CompletableFuture<?> dep = fun.apply(src);
3692	>	checkCompletedWithWrappedCancellationException(dep);
3693	>	assertSame(resultOf(src), resultOf(dep));
3694	>	}
3695	>
3696	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3697	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3698	>	fun : funs) {
3699	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3700	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3701	>	CompletableFuture<?> dep = fun.apply(src);
3702	>	f.cancel(mayInterruptIfRunning);
3703	>	checkCancelled(f);
3704	>	checkCompletedWithWrappedCancellationException(src);
3705	>	checkCompletedWithWrappedCancellationException(dep);
3706	>	assertSame(resultOf(src), resultOf(dep));
3707	>	}
3708		}}
3709
3710	+	/**
3711	+	* Minimal completion stages throw UOE for all non-CompletionStage methods
3712	+	*/
3713	+	public void testMinimalCompletionStage_minimality() {
3714	+	if (!testImplementationDetails) return;
3715	+	Function<Method, String> toSignature =
3716	+	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3717	+	Predicate<Method> isNotStatic =
3718	+	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3719	+	List<Method> minimalMethods =
3720	+	Stream.of(Object.class, CompletionStage.class)
3721	+	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3722	+	.filter(isNotStatic)
3723	+	.collect(Collectors.toList());
3724	+	// Methods from CompletableFuture permitted NOT to throw UOE
3725	+	String[] signatureWhitelist = {
3726	+	"newIncompleteFuture[]",
3727	+	"defaultExecutor[]",
3728	+	"minimalCompletionStage[]",
3729	+	"copy[]",
3730	+	};
3731	+	Set<String> permittedMethodSignatures =
3732	+	Stream.concat(minimalMethods.stream().map(toSignature),
3733	+	Stream.of(signatureWhitelist))
3734	+	.collect(Collectors.toSet());
3735	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3736	+	.filter(isNotStatic)
3737	+	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3738	+	.collect(Collectors.toList());
3739	+
3740	+	CompletionStage<Integer> minimalStage =
3741	+	new CompletableFuture<Integer>().minimalCompletionStage();
3742	+
3743	+	List<Method> bugs = new ArrayList<>();
3744	+	for (Method method : allMethods) {
3745	+	Class<?>[] parameterTypes = method.getParameterTypes();
3746	+	Object[] args = new Object[parameterTypes.length];
3747	+	// Manufacture boxed primitives for primitive params
3748	+	for (int i = 0; i < args.length; i++) {
3749	+	Class<?> type = parameterTypes[i];
3750	+	if (parameterTypes[i] == boolean.class)
3751	+	args[i] = false;
3752	+	else if (parameterTypes[i] == int.class)
3753	+	args[i] = 0;
3754	+	else if (parameterTypes[i] == long.class)
3755	+	args[i] = 0L;
3756	+	}
3757	+	try {
3758	+	method.invoke(minimalStage, args);
3759	+	bugs.add(method);
3760	+	}
3761	+	catch (java.lang.reflect.InvocationTargetException expected) {
3762	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3763	+	bugs.add(method);
3764	+	// expected.getCause().printStackTrace();
3765	+	}
3766	+	}
3767	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3768	+	}
3769	+	if (!bugs.isEmpty())
3770	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3771	+	}
3772	+
3773	+	static class Monad {
3774	+	static class ZeroException extends RuntimeException {
3775	+	public ZeroException() { super("monadic zero"); }
3776	+	}
3777	+	// "return", "unit"
3778	+	static <T> CompletableFuture<T> unit(T value) {
3779	+	return completedFuture(value);
3780	+	}
3781	+	// monadic zero ?
3782	+	static <T> CompletableFuture<T> zero() {
3783	+	return failedFuture(new ZeroException());
3784	+	}
3785	+	// >=>
3786	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3787	+	(Function<T, CompletableFuture<U>> f,
3788	+	Function<U, CompletableFuture<V>> g) {
3789	+	return (x) -> f.apply(x).thenCompose(g);
3790	+	}
3791	+
3792	+	static void assertZero(CompletableFuture<?> f) {
3793	+	try {
3794	+	f.getNow(null);
3795	+	throw new AssertionFailedError("should throw");
3796	+	} catch (CompletionException success) {
3797	+	assertTrue(success.getCause() instanceof ZeroException);
3798	+	}
3799	+	}
3800	+
3801	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3802	+	CompletableFuture<T> g) {
3803	+	T fval = null, gval = null;
3804	+	Throwable fex = null, gex = null;
3805	+
3806	+	try { fval = f.get(); }
3807	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3808	+	catch (Throwable ex) { fex = ex; }
3809	+
3810	+	try { gval = g.get(); }
3811	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3812	+	catch (Throwable ex) { gex = ex; }
3813	+
3814	+	if (fex != null || gex != null)
3815	+	assertSame(fex.getClass(), gex.getClass());
3816	+	else
3817	+	assertEquals(fval, gval);
3818	+	}
3819	+
3820	+	static class PlusFuture<T> extends CompletableFuture<T> {
3821	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3822	+	}
3823	+
3824	+	// Monadic "plus"
3825	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3826	+	CompletableFuture<? extends T> g) {
3827	+	PlusFuture<T> plus = new PlusFuture<T>();
3828	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3829	+	if (ex == null) {
3830	+	if (plus.complete(result))
3831	+	if (plus.firstFailure.get() != null)
3832	+	plus.firstFailure.set(null);
3833	+	}
3834	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
3835	+	if (plus.isDone())
3836	+	plus.firstFailure.set(null);
3837	+	}
3838	+	else {
3839	+	// first failure has precedence
3840	+	Throwable first = plus.firstFailure.getAndSet(null);
3841	+
3842	+	// may fail with "Self-suppression not permitted"
3843	+	try { first.addSuppressed(ex); }
3844	+	catch (Exception ignored) {}
3845	+
3846	+	plus.completeExceptionally(first);
3847	+	}
3848	+	};
3849	+	f.whenComplete(action);
3850	+	g.whenComplete(action);
3851	+	return plus;
3852	+	}
3853	+	}
3854	+
3855	+	/**
3856	+	* CompletableFuture is an additive monad - sort of.
3857	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3858	+	*/
3859	+	public void testAdditiveMonad() throws Throwable {
3860	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3861	+	CompletableFuture<Long> zero = Monad.zero();
3862	+
3863	+	// Some mutually non-commutative functions
3864	+	Function<Long, CompletableFuture<Long>> triple
3865	+	= (x) -> Monad.unit(3 * x);
3866	+	Function<Long, CompletableFuture<Long>> inc
3867	+	= (x) -> Monad.unit(x + 1);
3868	+
3869	+	// unit is a right identity: m >>= unit === m
3870	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3871	+	inc.apply(5L));
3872	+	// unit is a left identity: (unit x) >>= f === f x
3873	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3874	+	inc.apply(5L));
3875	+
3876	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3877	+	Monad.assertFutureEquals(
3878	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3879	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3880	+
3881	+	// The case for CompletableFuture as an additive monad is weaker...
3882	+
3883	+	// zero is a monadic zero
3884	+	Monad.assertZero(zero);
3885	+
3886	+	// left zero: zero >>= f === zero
3887	+	Monad.assertZero(zero.thenCompose(inc));
3888	+	// right zero: f >>= (\x -> zero) === zero
3889	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3890	+
3891	+	// f plus zero === f
3892	+	Monad.assertFutureEquals(Monad.unit(5L),
3893	+	Monad.plus(Monad.unit(5L), zero));
3894	+	// zero plus f === f
3895	+	Monad.assertFutureEquals(Monad.unit(5L),
3896	+	Monad.plus(zero, Monad.unit(5L)));
3897	+	// zero plus zero === zero
3898	+	Monad.assertZero(Monad.plus(zero, zero));
3899	+	{
3900	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3901	+	Monad.unit(8L));
3902	+	// non-determinism
3903	+	assertTrue(f.get() == 5L || f.get() == 8L);
3904	+	}
3905	+
3906	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3907	+	// f plus godot === f (doesn't wait for godot)
3908	+	Monad.assertFutureEquals(Monad.unit(5L),
3909	+	Monad.plus(Monad.unit(5L), godot));
3910	+	// godot plus f === f (doesn't wait for godot)
3911	+	Monad.assertFutureEquals(Monad.unit(5L),
3912	+	Monad.plus(godot, Monad.unit(5L)));
3913	+	}
3914	+
3915	+	//     static <U> U join(CompletionStage<U> stage) {
3916	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3917	+	//         stage.whenComplete((v, ex) -> {
3918	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3919	+	//         });
3920	+	//         return f.join();
3921	+	//     }
3922	+
3923	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3924	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3925	+	//         stage.whenComplete((v, ex) -> {
3926	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3927	+	//         });
3928	+	//         return f.isDone();
3929	+	//     }
3930	+
3931	+	//     static <U> U join2(CompletionStage<U> stage) {
3932	+	//         return stage.toCompletableFuture().copy().join();
3933	+	//     }
3934	+
3935	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3936	+	//         return stage.toCompletableFuture().copy().isDone();
3937	+	//     }
3938	+
3939		}

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