ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

root/jsr166/jsr166/src/test/tck/CompletableFutureTest.java

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.62 by jsr166, Fri Jun 6 01:19:22 2014 UTC vs.
Revision 1.147 by jsr166, Sat Jun 4 23:49:29 2016 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 825 | Line 876 | public class CompletableFutureTest exten
876		assertEquals(1, a.get());
877		}}
878
879	+	/**
880	+	* If an "exceptionally action" throws an exception, it completes
881	+	* exceptionally with that exception
882	+	*/
883		public void testExceptionally_exceptionalCompletionActionFailed() {
884		for (boolean createIncomplete : new boolean[] { true, false })
830	–	for (Integer v1 : new Integer[] { 1, null })
885		{
886		final AtomicInteger a = new AtomicInteger(0);
887		final CFException ex1 = new CFException();
#	Line 836 | Line 890 | public class CompletableFutureTest exten
890		if (!createIncomplete) f.completeExceptionally(ex1);
891		final CompletableFuture<Integer> g = f.exceptionally
892		((Throwable t) -> {
893	<	ExecutionMode.DEFAULT.checkExecutionMode();
893	>	ExecutionMode.SYNC.checkExecutionMode();
894		threadAssertSame(t, ex1);
895		a.getAndIncrement();
896		throw ex2;
897		});
898		if (createIncomplete) f.completeExceptionally(ex1);
899
900	<	checkCompletedWithWrappedCFException(g, ex2);
900	>	checkCompletedWithWrappedException(g, ex2);
901	>	checkCompletedExceptionally(f, ex1);
902	>	assertEquals(1, a.get());
903	>	}}
904	>
905	>	/**
906	>	* whenComplete action executes on normal completion, propagating
907	>	* source result.
908	>	*/
909	>	public void testWhenComplete_normalCompletion() {
910	>	for (ExecutionMode m : ExecutionMode.values())
911	>	for (boolean createIncomplete : new boolean[] { true, false })
912	>	for (Integer v1 : new Integer[] { 1, null })
913	>	{
914	>	final AtomicInteger a = new AtomicInteger(0);
915	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
916	>	if (!createIncomplete) assertTrue(f.complete(v1));
917	>	final CompletableFuture<Integer> g = m.whenComplete
918	>	(f,
919	>	(Integer result, Throwable t) -> {
920	>	m.checkExecutionMode();
921	>	threadAssertSame(result, v1);
922	>	threadAssertNull(t);
923	>	a.getAndIncrement();
924	>	});
925	>	if (createIncomplete) assertTrue(f.complete(v1));
926	>
927	>	checkCompletedNormally(g, v1);
928	>	checkCompletedNormally(f, v1);
929	>	assertEquals(1, a.get());
930	>	}}
931	>
932	>	/**
933	>	* whenComplete action executes on exceptional completion, propagating
934	>	* source result.
935	>	*/
936	>	public void testWhenComplete_exceptionalCompletion() {
937	>	for (ExecutionMode m : ExecutionMode.values())
938	>	for (boolean createIncomplete : new boolean[] { true, false })
939	>	{
940	>	final AtomicInteger a = new AtomicInteger(0);
941	>	final CFException ex = new CFException();
942	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
943	>	if (!createIncomplete) f.completeExceptionally(ex);
944	>	final CompletableFuture<Integer> g = m.whenComplete
945	>	(f,
946	>	(Integer result, Throwable t) -> {
947	>	m.checkExecutionMode();
948	>	threadAssertNull(result);
949	>	threadAssertSame(t, ex);
950	>	a.getAndIncrement();
951	>	});
952	>	if (createIncomplete) f.completeExceptionally(ex);
953	>
954	>	checkCompletedWithWrappedException(g, ex);
955	>	checkCompletedExceptionally(f, ex);
956	>	assertEquals(1, a.get());
957	>	}}
958	>
959	>	/**
960	>	* whenComplete action executes on cancelled source, propagating
961	>	* CancellationException.
962	>	*/
963	>	public void testWhenComplete_sourceCancelled() {
964	>	for (ExecutionMode m : ExecutionMode.values())
965	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
966	>	for (boolean createIncomplete : new boolean[] { true, false })
967	>	{
968	>	final AtomicInteger a = new AtomicInteger(0);
969	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
970	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
971	>	final CompletableFuture<Integer> g = m.whenComplete
972	>	(f,
973	>	(Integer result, Throwable t) -> {
974	>	m.checkExecutionMode();
975	>	threadAssertNull(result);
976	>	threadAssertTrue(t instanceof CancellationException);
977	>	a.getAndIncrement();
978	>	});
979	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
980	>
981	>	checkCompletedWithWrappedCancellationException(g);
982	>	checkCancelled(f);
983	>	assertEquals(1, a.get());
984	>	}}
985	>
986	>	/**
987	>	* If a whenComplete action throws an exception when triggered by
988	>	* a normal completion, it completes exceptionally
989	>	*/
990	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
991	>	for (boolean createIncomplete : new boolean[] { true, false })
992	>	for (ExecutionMode m : ExecutionMode.values())
993	>	for (Integer v1 : new Integer[] { 1, null })
994	>	{
995	>	final AtomicInteger a = new AtomicInteger(0);
996	>	final CFException ex = new CFException();
997	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
998	>	if (!createIncomplete) assertTrue(f.complete(v1));
999	>	final CompletableFuture<Integer> g = m.whenComplete
1000	>	(f,
1001	>	(Integer result, Throwable t) -> {
1002	>	m.checkExecutionMode();
1003	>	threadAssertSame(result, v1);
1004	>	threadAssertNull(t);
1005	>	a.getAndIncrement();
1006	>	throw ex;
1007	>	});
1008	>	if (createIncomplete) assertTrue(f.complete(v1));
1009	>
1010	>	checkCompletedWithWrappedException(g, ex);
1011	>	checkCompletedNormally(f, v1);
1012	>	assertEquals(1, a.get());
1013	>	}}
1014	>
1015	>	/**
1016	>	* If a whenComplete action throws an exception when triggered by
1017	>	* a source completion that also throws an exception, the source
1018	>	* exception takes precedence (unlike handle)
1019	>	*/
1020	>	public void testWhenComplete_sourceFailedActionFailed() {
1021	>	for (boolean createIncomplete : new boolean[] { true, false })
1022	>	for (ExecutionMode m : ExecutionMode.values())
1023	>	{
1024	>	final AtomicInteger a = new AtomicInteger(0);
1025	>	final CFException ex1 = new CFException();
1026	>	final CFException ex2 = new CFException();
1027	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1028	>
1029	>	if (!createIncomplete) f.completeExceptionally(ex1);
1030	>	final CompletableFuture<Integer> g = m.whenComplete
1031	>	(f,
1032	>	(Integer result, Throwable t) -> {
1033	>	m.checkExecutionMode();
1034	>	threadAssertSame(t, ex1);
1035	>	threadAssertNull(result);
1036	>	a.getAndIncrement();
1037	>	throw ex2;
1038	>	});
1039	>	if (createIncomplete) f.completeExceptionally(ex1);
1040	>
1041	>	checkCompletedWithWrappedException(g, ex1);
1042	>	checkCompletedExceptionally(f, ex1);
1043	>	if (testImplementationDetails) {
1044	>	assertEquals(1, ex1.getSuppressed().length);
1045	>	assertSame(ex2, ex1.getSuppressed()[0]);
1046	>	}
1047		assertEquals(1, a.get());
1048		}}
1049
#	Line 858 | Line 1058 | public class CompletableFutureTest exten
1058		{
1059		final CompletableFuture<Integer> f = new CompletableFuture<>();
1060		final AtomicInteger a = new AtomicInteger(0);
1061	<	if (!createIncomplete) f.complete(v1);
1061	>	if (!createIncomplete) assertTrue(f.complete(v1));
1062		final CompletableFuture<Integer> g = m.handle
1063		(f,
1064	<	(Integer x, Throwable t) -> {
1064	>	(Integer result, Throwable t) -> {
1065		m.checkExecutionMode();
1066	<	threadAssertSame(x, v1);
1066	>	threadAssertSame(result, v1);
1067		threadAssertNull(t);
1068		a.getAndIncrement();
1069		return inc(v1);
1070		});
1071	<	if (createIncomplete) f.complete(v1);
1071	>	if (createIncomplete) assertTrue(f.complete(v1));
1072
1073		checkCompletedNormally(g, inc(v1));
1074		checkCompletedNormally(f, v1);
#	Line 890 | Line 1090 | public class CompletableFutureTest exten
1090		if (!createIncomplete) f.completeExceptionally(ex);
1091		final CompletableFuture<Integer> g = m.handle
1092		(f,
1093	<	(Integer x, Throwable t) -> {
1093	>	(Integer result, Throwable t) -> {
1094		m.checkExecutionMode();
1095	<	threadAssertNull(x);
1095	>	threadAssertNull(result);
1096		threadAssertSame(t, ex);
1097		a.getAndIncrement();
1098		return v1;
#	Line 900 | Line 1100 | public class CompletableFutureTest exten
1100		if (createIncomplete) f.completeExceptionally(ex);
1101
1102		checkCompletedNormally(g, v1);
1103	<	checkCompletedWithWrappedCFException(f, ex);
1103	>	checkCompletedExceptionally(f, ex);
1104		assertEquals(1, a.get());
1105		}}
1106
#	Line 919 | Line 1119 | public class CompletableFutureTest exten
1119		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1120		final CompletableFuture<Integer> g = m.handle
1121		(f,
1122	<	(Integer x, Throwable t) -> {
1122	>	(Integer result, Throwable t) -> {
1123		m.checkExecutionMode();
1124	<	threadAssertNull(x);
1124	>	threadAssertNull(result);
1125		threadAssertTrue(t instanceof CancellationException);
1126		a.getAndIncrement();
1127		return v1;
#	Line 934 | Line 1134 | public class CompletableFutureTest exten
1134		}}
1135
1136		/**
1137	<	* handle result completes exceptionally if action does
1137	>	* If a "handle action" throws an exception when triggered by
1138	>	* a normal completion, it completes exceptionally
1139		*/
1140	<	public void testHandle_sourceFailedActionFailed() {
1140	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1141		for (ExecutionMode m : ExecutionMode.values())
1142		for (boolean createIncomplete : new boolean[] { true, false })
1143	+	for (Integer v1 : new Integer[] { 1, null })
1144		{
1145		final CompletableFuture<Integer> f = new CompletableFuture<>();
1146		final AtomicInteger a = new AtomicInteger(0);
1147	<	final CFException ex1 = new CFException();
1148	<	final CFException ex2 = new CFException();
947	<	if (!createIncomplete) f.completeExceptionally(ex1);
1147	>	final CFException ex = new CFException();
1148	>	if (!createIncomplete) assertTrue(f.complete(v1));
1149		final CompletableFuture<Integer> g = m.handle
1150		(f,
1151	<	(Integer x, Throwable t) -> {
1151	>	(Integer result, Throwable t) -> {
1152		m.checkExecutionMode();
1153	<	threadAssertNull(x);
1154	<	threadAssertSame(ex1, t);
1153	>	threadAssertSame(result, v1);
1154	>	threadAssertNull(t);
1155		a.getAndIncrement();
1156	<	throw ex2;
1156	>	throw ex;
1157		});
1158	<	if (createIncomplete) f.completeExceptionally(ex1);
1158	>	if (createIncomplete) assertTrue(f.complete(v1));
1159
1160	<	checkCompletedWithWrappedCFException(g, ex2);
1161	<	checkCompletedWithWrappedCFException(f, ex1);
1160	>	checkCompletedWithWrappedException(g, ex);
1161	>	checkCompletedNormally(f, v1);
1162		assertEquals(1, a.get());
1163		}}
1164
1165	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1166	<	for (ExecutionMode m : ExecutionMode.values())
1165	>	/**
1166	>	* If a "handle action" throws an exception when triggered by
1167	>	* a source completion that also throws an exception, the action
1168	>	* exception takes precedence (unlike whenComplete)
1169	>	*/
1170	>	public void testHandle_sourceFailedActionFailed() {
1171		for (boolean createIncomplete : new boolean[] { true, false })
1172	<	for (Integer v1 : new Integer[] { 1, null })
1172	>	for (ExecutionMode m : ExecutionMode.values())
1173		{
969	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1174		final AtomicInteger a = new AtomicInteger(0);
1175	<	final CFException ex = new CFException();
1176	<	if (!createIncomplete) f.complete(v1);
1175	>	final CFException ex1 = new CFException();
1176	>	final CFException ex2 = new CFException();
1177	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1178	>
1179	>	if (!createIncomplete) f.completeExceptionally(ex1);
1180		final CompletableFuture<Integer> g = m.handle
1181		(f,
1182	<	(Integer x, Throwable t) -> {
1182	>	(Integer result, Throwable t) -> {
1183		m.checkExecutionMode();
1184	<	threadAssertSame(x, v1);
1185	<	threadAssertNull(t);
1184	>	threadAssertNull(result);
1185	>	threadAssertSame(ex1, t);
1186		a.getAndIncrement();
1187	<	throw ex;
1187	>	throw ex2;
1188		});
1189	<	if (createIncomplete) f.complete(v1);
1189	>	if (createIncomplete) f.completeExceptionally(ex1);
1190
1191	<	checkCompletedWithWrappedCFException(g, ex);
1192	<	checkCompletedNormally(f, v1);
1191	>	checkCompletedWithWrappedException(g, ex2);
1192	>	checkCompletedExceptionally(f, ex1);
1193		assertEquals(1, a.get());
1194		}}
1195
#	Line 1060 | Line 1267 | public class CompletableFutureTest exten
1267		*/
1268		public void testThenRun_normalCompletion() {
1269		for (ExecutionMode m : ExecutionMode.values())
1063	–	for (boolean createIncomplete : new boolean[] { true, false })
1270		for (Integer v1 : new Integer[] { 1, null })
1271		{
1272		final CompletableFuture<Integer> f = new CompletableFuture<>();
1273	<	final Noop r = new Noop(m);
1274	<	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	<	}
1273	>	final Noop[] rs = new Noop[6];
1274	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1275
1276	<	checkCompletedNormally(g, null);
1276	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1277	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1278	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1279	>	checkIncomplete(h0);
1280	>	checkIncomplete(h1);
1281	>	checkIncomplete(h2);
1282	>	assertTrue(f.complete(v1));
1283	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1284	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1285	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1286	>
1287	>	checkCompletedNormally(h0, null);
1288	>	checkCompletedNormally(h1, null);
1289	>	checkCompletedNormally(h2, null);
1290	>	checkCompletedNormally(h3, null);
1291	>	checkCompletedNormally(h4, null);
1292	>	checkCompletedNormally(h5, null);
1293		checkCompletedNormally(f, v1);
1294	<	r.assertInvoked();
1294	>	for (Noop r : rs) r.assertInvoked();
1295		}}
1296
1297		/**
#	Line 1083 | Line 1300 | public class CompletableFutureTest exten
1300		*/
1301		public void testThenRun_exceptionalCompletion() {
1302		for (ExecutionMode m : ExecutionMode.values())
1086	–	for (boolean createIncomplete : new boolean[] { true, false })
1303		{
1304		final CFException ex = new CFException();
1305		final CompletableFuture<Integer> f = new CompletableFuture<>();
1306	<	final Noop r = new Noop(m);
1307	<	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	<	}
1306	>	final Noop[] rs = new Noop[6];
1307	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1308
1309	<	checkCompletedWithWrappedCFException(g, ex);
1310	<	checkCompletedWithWrappedCFException(f, ex);
1311	<	r.assertNotInvoked();
1309	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1310	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1311	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1312	>	checkIncomplete(h0);
1313	>	checkIncomplete(h1);
1314	>	checkIncomplete(h2);
1315	>	assertTrue(f.completeExceptionally(ex));
1316	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1317	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1318	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1319	>
1320	>	checkCompletedWithWrappedException(h0, ex);
1321	>	checkCompletedWithWrappedException(h1, ex);
1322	>	checkCompletedWithWrappedException(h2, ex);
1323	>	checkCompletedWithWrappedException(h3, ex);
1324	>	checkCompletedWithWrappedException(h4, ex);
1325	>	checkCompletedWithWrappedException(h5, ex);
1326	>	checkCompletedExceptionally(f, ex);
1327	>	for (Noop r : rs) r.assertNotInvoked();
1328		}}
1329
1330		/**
#	Line 1105 | Line 1332 | public class CompletableFutureTest exten
1332		*/
1333		public void testThenRun_sourceCancelled() {
1334		for (ExecutionMode m : ExecutionMode.values())
1108	–	for (boolean createIncomplete : new boolean[] { true, false })
1335		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1336		{
1337		final CompletableFuture<Integer> f = new CompletableFuture<>();
1338	<	final Noop r = new Noop(m);
1339	<	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	<	}
1338	>	final Noop[] rs = new Noop[6];
1339	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1340
1341	<	checkCompletedWithWrappedCancellationException(g);
1341	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1342	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1343	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1344	>	checkIncomplete(h0);
1345	>	checkIncomplete(h1);
1346	>	checkIncomplete(h2);
1347	>	assertTrue(f.cancel(mayInterruptIfRunning));
1348	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1349	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1350	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1351	>
1352	>	checkCompletedWithWrappedCancellationException(h0);
1353	>	checkCompletedWithWrappedCancellationException(h1);
1354	>	checkCompletedWithWrappedCancellationException(h2);
1355	>	checkCompletedWithWrappedCancellationException(h3);
1356	>	checkCompletedWithWrappedCancellationException(h4);
1357	>	checkCompletedWithWrappedCancellationException(h5);
1358		checkCancelled(f);
1359	<	r.assertNotInvoked();
1359	>	for (Noop r : rs) r.assertNotInvoked();
1360		}}
1361
1362		/**
#	Line 1127 | Line 1364 | public class CompletableFutureTest exten
1364		*/
1365		public void testThenRun_actionFailed() {
1366		for (ExecutionMode m : ExecutionMode.values())
1130	–	for (boolean createIncomplete : new boolean[] { true, false })
1367		for (Integer v1 : new Integer[] { 1, null })
1368		{
1369		final CompletableFuture<Integer> f = new CompletableFuture<>();
1370	<	final FailingRunnable r = new FailingRunnable(m);
1371	<	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	<	}
1370	>	final FailingRunnable[] rs = new FailingRunnable[6];
1371	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1372
1373	<	checkCompletedWithWrappedCFException(g);
1373	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1374	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1375	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1376	>	assertTrue(f.complete(v1));
1377	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1378	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1379	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1380	>
1381	>	checkCompletedWithWrappedCFException(h0);
1382	>	checkCompletedWithWrappedCFException(h1);
1383	>	checkCompletedWithWrappedCFException(h2);
1384	>	checkCompletedWithWrappedCFException(h3);
1385	>	checkCompletedWithWrappedCFException(h4);
1386	>	checkCompletedWithWrappedCFException(h5);
1387		checkCompletedNormally(f, v1);
1388		}}
1389
#	Line 1148 | Line 1392 | public class CompletableFutureTest exten
1392		*/
1393		public void testThenApply_normalCompletion() {
1394		for (ExecutionMode m : ExecutionMode.values())
1151	–	for (boolean createIncomplete : new boolean[] { true, false })
1395		for (Integer v1 : new Integer[] { 1, null })
1396		{
1397		final CompletableFuture<Integer> f = new CompletableFuture<>();
1398	<	final IncFunction r = new IncFunction(m);
1399	<	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	<	}
1398	>	final IncFunction[] rs = new IncFunction[4];
1399	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1400
1401	<	checkCompletedNormally(g, inc(v1));
1401	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1402	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1403	>	checkIncomplete(h0);
1404	>	checkIncomplete(h1);
1405	>	assertTrue(f.complete(v1));
1406	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1407	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1408	>
1409	>	checkCompletedNormally(h0, inc(v1));
1410	>	checkCompletedNormally(h1, inc(v1));
1411	>	checkCompletedNormally(h2, inc(v1));
1412	>	checkCompletedNormally(h3, inc(v1));
1413		checkCompletedNormally(f, v1);
1414	<	r.assertInvoked();
1414	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1415		}}
1416
1417		/**
#	Line 1171 | Line 1420 | public class CompletableFutureTest exten
1420		*/
1421		public void testThenApply_exceptionalCompletion() {
1422		for (ExecutionMode m : ExecutionMode.values())
1174	–	for (boolean createIncomplete : new boolean[] { true, false })
1423		{
1424		final CFException ex = new CFException();
1425		final CompletableFuture<Integer> f = new CompletableFuture<>();
1426	<	final IncFunction r = new IncFunction(m);
1427	<	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	<	}
1426	>	final IncFunction[] rs = new IncFunction[4];
1427	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1428
1429	<	checkCompletedWithWrappedCFException(g, ex);
1430	<	checkCompletedWithWrappedCFException(f, ex);
1431	<	r.assertNotInvoked();
1429	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1430	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1431	>	assertTrue(f.completeExceptionally(ex));
1432	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1433	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1434	>
1435	>	checkCompletedWithWrappedException(h0, ex);
1436	>	checkCompletedWithWrappedException(h1, ex);
1437	>	checkCompletedWithWrappedException(h2, ex);
1438	>	checkCompletedWithWrappedException(h3, ex);
1439	>	checkCompletedExceptionally(f, ex);
1440	>	for (IncFunction r : rs) r.assertNotInvoked();
1441		}}
1442
1443		/**
#	Line 1193 | Line 1445 | public class CompletableFutureTest exten
1445		*/
1446		public void testThenApply_sourceCancelled() {
1447		for (ExecutionMode m : ExecutionMode.values())
1196	–	for (boolean createIncomplete : new boolean[] { true, false })
1448		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1449		{
1450		final CompletableFuture<Integer> f = new CompletableFuture<>();
1451	<	final IncFunction r = new IncFunction(m);
1452	<	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	<	}
1451	>	final IncFunction[] rs = new IncFunction[4];
1452	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1453
1454	<	checkCompletedWithWrappedCancellationException(g);
1454	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1455	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1456	>	assertTrue(f.cancel(mayInterruptIfRunning));
1457	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1458	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1459	>
1460	>	checkCompletedWithWrappedCancellationException(h0);
1461	>	checkCompletedWithWrappedCancellationException(h1);
1462	>	checkCompletedWithWrappedCancellationException(h2);
1463	>	checkCompletedWithWrappedCancellationException(h3);
1464		checkCancelled(f);
1465	<	r.assertNotInvoked();
1465	>	for (IncFunction r : rs) r.assertNotInvoked();
1466		}}
1467
1468		/**
#	Line 1215 | Line 1470 | public class CompletableFutureTest exten
1470		*/
1471		public void testThenApply_actionFailed() {
1472		for (ExecutionMode m : ExecutionMode.values())
1218	–	for (boolean createIncomplete : new boolean[] { true, false })
1473		for (Integer v1 : new Integer[] { 1, null })
1474		{
1475		final CompletableFuture<Integer> f = new CompletableFuture<>();
1476	<	final FailingFunction r = new FailingFunction(m);
1477	<	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	<	}
1476	>	final FailingFunction[] rs = new FailingFunction[4];
1477	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1478
1479	<	checkCompletedWithWrappedCFException(g);
1479	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1480	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1481	>	assertTrue(f.complete(v1));
1482	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1483	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1484	>
1485	>	checkCompletedWithWrappedCFException(h0);
1486	>	checkCompletedWithWrappedCFException(h1);
1487	>	checkCompletedWithWrappedCFException(h2);
1488	>	checkCompletedWithWrappedCFException(h3);
1489		checkCompletedNormally(f, v1);
1490		}}
1491
#	Line 1236 | Line 1494 | public class CompletableFutureTest exten
1494		*/
1495		public void testThenAccept_normalCompletion() {
1496		for (ExecutionMode m : ExecutionMode.values())
1239	–	for (boolean createIncomplete : new boolean[] { true, false })
1497		for (Integer v1 : new Integer[] { 1, null })
1498		{
1499		final CompletableFuture<Integer> f = new CompletableFuture<>();
1500	<	final IncAction r = new IncAction(m);
1501	<	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	<	}
1500	>	final NoopConsumer[] rs = new NoopConsumer[4];
1501	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1502
1503	<	checkCompletedNormally(g, null);
1503	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1504	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1505	>	checkIncomplete(h0);
1506	>	checkIncomplete(h1);
1507	>	assertTrue(f.complete(v1));
1508	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1509	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1510	>
1511	>	checkCompletedNormally(h0, null);
1512	>	checkCompletedNormally(h1, null);
1513	>	checkCompletedNormally(h2, null);
1514	>	checkCompletedNormally(h3, null);
1515		checkCompletedNormally(f, v1);
1516	<	r.assertInvoked();
1254	<	r.assertValue(inc(v1));
1516	>	for (NoopConsumer r : rs) r.assertValue(v1);
1517		}}
1518
1519		/**
#	Line 1260 | Line 1522 | public class CompletableFutureTest exten
1522		*/
1523		public void testThenAccept_exceptionalCompletion() {
1524		for (ExecutionMode m : ExecutionMode.values())
1263	–	for (boolean createIncomplete : new boolean[] { true, false })
1525		{
1526		final CFException ex = new CFException();
1527		final CompletableFuture<Integer> f = new CompletableFuture<>();
1528	<	final IncAction r = new IncAction(m);
1529	<	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	<	}
1528	>	final NoopConsumer[] rs = new NoopConsumer[4];
1529	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1530
1531	<	checkCompletedWithWrappedCFException(g, ex);
1532	<	checkCompletedWithWrappedCFException(f, ex);
1533	<	r.assertNotInvoked();
1531	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1532	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1533	>	assertTrue(f.completeExceptionally(ex));
1534	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1535	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1536	>
1537	>	checkCompletedWithWrappedException(h0, ex);
1538	>	checkCompletedWithWrappedException(h1, ex);
1539	>	checkCompletedWithWrappedException(h2, ex);
1540	>	checkCompletedWithWrappedException(h3, ex);
1541	>	checkCompletedExceptionally(f, ex);
1542	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1543		}}
1544
1545		/**
#	Line 1282 | Line 1547 | public class CompletableFutureTest exten
1547		*/
1548		public void testThenAccept_sourceCancelled() {
1549		for (ExecutionMode m : ExecutionMode.values())
1285	–	for (boolean createIncomplete : new boolean[] { true, false })
1550		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1551		{
1552		final CompletableFuture<Integer> f = new CompletableFuture<>();
1553	<	final IncAction r = new IncAction(m);
1554	<	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	<	}
1553	>	final NoopConsumer[] rs = new NoopConsumer[4];
1554	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1555
1556	<	checkCompletedWithWrappedCancellationException(g);
1556	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1557	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1558	>	assertTrue(f.cancel(mayInterruptIfRunning));
1559	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1560	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1561	>
1562	>	checkCompletedWithWrappedCancellationException(h0);
1563	>	checkCompletedWithWrappedCancellationException(h1);
1564	>	checkCompletedWithWrappedCancellationException(h2);
1565	>	checkCompletedWithWrappedCancellationException(h3);
1566		checkCancelled(f);
1567	<	r.assertNotInvoked();
1567	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1568		}}
1569
1570		/**
#	Line 1304 | Line 1572 | public class CompletableFutureTest exten
1572		*/
1573		public void testThenAccept_actionFailed() {
1574		for (ExecutionMode m : ExecutionMode.values())
1307	–	for (boolean createIncomplete : new boolean[] { true, false })
1575		for (Integer v1 : new Integer[] { 1, null })
1576		{
1577		final CompletableFuture<Integer> f = new CompletableFuture<>();
1578	<	final FailingConsumer r = new FailingConsumer(m);
1579	<	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	<	}
1578	>	final FailingConsumer[] rs = new FailingConsumer[4];
1579	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1580
1581	<	checkCompletedWithWrappedCFException(g);
1581	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1582	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1583	>	assertTrue(f.complete(v1));
1584	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1585	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1586	>
1587	>	checkCompletedWithWrappedCFException(h0);
1588	>	checkCompletedWithWrappedCFException(h1);
1589	>	checkCompletedWithWrappedCFException(h2);
1590	>	checkCompletedWithWrappedCFException(h3);
1591		checkCompletedNormally(f, v1);
1592		}}
1593
#	Line 1326 | Line 1597 | public class CompletableFutureTest exten
1597		*/
1598		public void testThenCombine_normalCompletion() {
1599		for (ExecutionMode m : ExecutionMode.values())
1329	–	for (boolean createIncomplete : new boolean[] { true, false })
1600		for (boolean fFirst : new boolean[] { true, false })
1601		for (Integer v1 : new Integer[] { 1, null })
1602		for (Integer v2 : new Integer[] { 2, null })
1603		{
1604		final CompletableFuture<Integer> f = new CompletableFuture<>();
1605		final CompletableFuture<Integer> g = new CompletableFuture<>();
1606	<	final SubtractFunction r = new SubtractFunction(m);
1606	>	final SubtractFunction[] rs = new SubtractFunction[6];
1607	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1608
1609	<	if (fFirst) f.complete(v1); else g.complete(v2);
1610	<	if (!createIncomplete)
1611	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1612	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1613	<	if (createIncomplete) {
1614	<	checkIncomplete(h);
1615	<	r.assertNotInvoked();
1616	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1617	<	}
1609	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1610	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1611	>	final Integer w1 =  fFirst ? v1 : v2;
1612	>	final Integer w2 = !fFirst ? v1 : v2;
1613	>
1614	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1615	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1616	>	assertTrue(fst.complete(w1));
1617	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1618	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1619	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1620	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1621	>	checkCompletedNormally(h1, subtract(w1, w1));
1622	>	checkCompletedNormally(h3, subtract(w1, w1));
1623	>	rs[1].assertValue(subtract(w1, w1));
1624	>	rs[3].assertValue(subtract(w1, w1));
1625	>	assertTrue(snd.complete(w2));
1626	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1627	>
1628	>	checkCompletedNormally(h0, subtract(v1, v2));
1629	>	checkCompletedNormally(h2, subtract(v1, v2));
1630	>	checkCompletedNormally(h4, subtract(v1, v2));
1631	>	rs[0].assertValue(subtract(v1, v2));
1632	>	rs[2].assertValue(subtract(v1, v2));
1633	>	rs[4].assertValue(subtract(v1, v2));
1634
1348	–	checkCompletedNormally(h, subtract(v1, v2));
1635		checkCompletedNormally(f, v1);
1636		checkCompletedNormally(g, v2);
1351	–	r.assertInvoked();
1637		}}
1638
1639		/**
1640		* thenCombine result completes exceptionally after exceptional
1641		* completion of either source
1642		*/
1643	<	public void testThenCombine_exceptionalCompletion() {
1643	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1644		for (ExecutionMode m : ExecutionMode.values())
1360	–	for (boolean createIncomplete : new boolean[] { true, false })
1645		for (boolean fFirst : new boolean[] { true, false })
1646	+	for (boolean failFirst : new boolean[] { true, false })
1647		for (Integer v1 : new Integer[] { 1, null })
1648		{
1649		final CompletableFuture<Integer> f = new CompletableFuture<>();
1650		final CompletableFuture<Integer> g = new CompletableFuture<>();
1651		final CFException ex = new CFException();
1652	<	final SubtractFunction r = new SubtractFunction(m);
1652	>	final SubtractFunction r1 = new SubtractFunction(m);
1653	>	final SubtractFunction r2 = new SubtractFunction(m);
1654	>	final SubtractFunction r3 = new SubtractFunction(m);
1655
1656	<	(fFirst ? f : g).complete(v1);
1657	<	if (!createIncomplete)
1658	<	(!fFirst ? f : g).completeExceptionally(ex);
1659	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1660	<	if (createIncomplete) {
1661	<	checkIncomplete(h);
1662	<	(!fFirst ? f : g).completeExceptionally(ex);
1663	<	}
1656	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1657	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1658	>	final Callable<Boolean> complete1 = failFirst ?
1659	>	() -> fst.completeExceptionally(ex) :
1660	>	() -> fst.complete(v1);
1661	>	final Callable<Boolean> complete2 = failFirst ?
1662	>	() -> snd.complete(v1) :
1663	>	() -> snd.completeExceptionally(ex);
1664
1665	<	checkCompletedWithWrappedCFException(h, ex);
1666	<	r.assertNotInvoked();
1667	<	checkCompletedNormally(fFirst ? f : g, v1);
1668	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1665	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1666	>	assertTrue(complete1.call());
1667	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1668	>	checkIncomplete(h1);
1669	>	checkIncomplete(h2);
1670	>	assertTrue(complete2.call());
1671	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1672	>
1673	>	checkCompletedWithWrappedException(h1, ex);
1674	>	checkCompletedWithWrappedException(h2, ex);
1675	>	checkCompletedWithWrappedException(h3, ex);
1676	>	r1.assertNotInvoked();
1677	>	r2.assertNotInvoked();
1678	>	r3.assertNotInvoked();
1679	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1680	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1681		}}
1682
1683		/**
1684		* thenCombine result completes exceptionally if either source cancelled
1685		*/
1686	<	public void testThenCombine_sourceCancelled() {
1686	>	public void testThenCombine_sourceCancelled() throws Throwable {
1687		for (ExecutionMode m : ExecutionMode.values())
1688		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1390	–	for (boolean createIncomplete : new boolean[] { true, false })
1689		for (boolean fFirst : new boolean[] { true, false })
1690	+	for (boolean failFirst : new boolean[] { true, false })
1691		for (Integer v1 : new Integer[] { 1, null })
1692		{
1693		final CompletableFuture<Integer> f = new CompletableFuture<>();
1694		final CompletableFuture<Integer> g = new CompletableFuture<>();
1695	<	final SubtractFunction r = new SubtractFunction(m);
1695	>	final SubtractFunction r1 = new SubtractFunction(m);
1696	>	final SubtractFunction r2 = new SubtractFunction(m);
1697	>	final SubtractFunction r3 = new SubtractFunction(m);
1698
1699	<	(fFirst ? f : g).complete(v1);
1700	<	if (!createIncomplete)
1701	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1702	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1703	<	if (createIncomplete) {
1704	<	checkIncomplete(h);
1705	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1706	<	}
1699	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1700	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1701	>	final Callable<Boolean> complete1 = failFirst ?
1702	>	() -> fst.cancel(mayInterruptIfRunning) :
1703	>	() -> fst.complete(v1);
1704	>	final Callable<Boolean> complete2 = failFirst ?
1705	>	() -> snd.complete(v1) :
1706	>	() -> snd.cancel(mayInterruptIfRunning);
1707
1708	<	checkCompletedWithWrappedCancellationException(h);
1709	<	checkCancelled(!fFirst ? f : g);
1710	<	r.assertNotInvoked();
1711	<	checkCompletedNormally(fFirst ? f : g, v1);
1708	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1709	>	assertTrue(complete1.call());
1710	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1711	>	checkIncomplete(h1);
1712	>	checkIncomplete(h2);
1713	>	assertTrue(complete2.call());
1714	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1715	>
1716	>	checkCompletedWithWrappedCancellationException(h1);
1717	>	checkCompletedWithWrappedCancellationException(h2);
1718	>	checkCompletedWithWrappedCancellationException(h3);
1719	>	r1.assertNotInvoked();
1720	>	r2.assertNotInvoked();
1721	>	r3.assertNotInvoked();
1722	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1723	>	checkCancelled(failFirst ? fst : snd);
1724		}}
1725
1726		/**
#	Line 1421 | Line 1734 | public class CompletableFutureTest exten
1734		{
1735		final CompletableFuture<Integer> f = new CompletableFuture<>();
1736		final CompletableFuture<Integer> g = new CompletableFuture<>();
1737	<	final FailingBiFunction r = new FailingBiFunction(m);
1738	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1737	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1738	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1739	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1740	>
1741	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1742	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1743	>	final Integer w1 =  fFirst ? v1 : v2;
1744	>	final Integer w2 = !fFirst ? v1 : v2;
1745	>
1746	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1747	>	assertTrue(fst.complete(w1));
1748	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1749	>	assertTrue(snd.complete(w2));
1750	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1751
1752	<	if (fFirst) {
1753	<	f.complete(v1);
1754	<	g.complete(v2);
1755	<	} else {
1756	<	g.complete(v2);
1757	<	f.complete(v1);
1433	<	}
1434	<
1435	<	checkCompletedWithWrappedCFException(h);
1752	>	checkCompletedWithWrappedCFException(h1);
1753	>	checkCompletedWithWrappedCFException(h2);
1754	>	checkCompletedWithWrappedCFException(h3);
1755	>	r1.assertInvoked();
1756	>	r2.assertInvoked();
1757	>	r3.assertInvoked();
1758		checkCompletedNormally(f, v1);
1759		checkCompletedNormally(g, v2);
1760		}}
#	Line 1443 | Line 1765 | public class CompletableFutureTest exten
1765		*/
1766		public void testThenAcceptBoth_normalCompletion() {
1767		for (ExecutionMode m : ExecutionMode.values())
1446	–	for (boolean createIncomplete : new boolean[] { true, false })
1768		for (boolean fFirst : new boolean[] { true, false })
1769		for (Integer v1 : new Integer[] { 1, null })
1770		for (Integer v2 : new Integer[] { 2, null })
1771		{
1772		final CompletableFuture<Integer> f = new CompletableFuture<>();
1773		final CompletableFuture<Integer> g = new CompletableFuture<>();
1774	<	final SubtractAction r = new SubtractAction(m);
1775	<
1776	<	if (fFirst) f.complete(v1); else g.complete(v2);
1777	<	if (!createIncomplete)
1778	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1779	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1780	<	if (createIncomplete) {
1781	<	checkIncomplete(h);
1782	<	r.assertNotInvoked();
1783	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1784	<	}
1785	<
1786	<	checkCompletedNormally(h, null);
1787	<	r.assertValue(subtract(v1, v2));
1774	>	final SubtractAction r1 = new SubtractAction(m);
1775	>	final SubtractAction r2 = new SubtractAction(m);
1776	>	final SubtractAction r3 = new SubtractAction(m);
1777	>
1778	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1779	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1780	>	final Integer w1 =  fFirst ? v1 : v2;
1781	>	final Integer w2 = !fFirst ? v1 : v2;
1782	>
1783	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1784	>	assertTrue(fst.complete(w1));
1785	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1786	>	checkIncomplete(h1);
1787	>	checkIncomplete(h2);
1788	>	r1.assertNotInvoked();
1789	>	r2.assertNotInvoked();
1790	>	assertTrue(snd.complete(w2));
1791	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1792	>
1793	>	checkCompletedNormally(h1, null);
1794	>	checkCompletedNormally(h2, null);
1795	>	checkCompletedNormally(h3, null);
1796	>	r1.assertValue(subtract(v1, v2));
1797	>	r2.assertValue(subtract(v1, v2));
1798	>	r3.assertValue(subtract(v1, v2));
1799		checkCompletedNormally(f, v1);
1800		checkCompletedNormally(g, v2);
1801		}}
#	Line 1472 | Line 1804 | public class CompletableFutureTest exten
1804		* thenAcceptBoth result completes exceptionally after exceptional
1805		* completion of either source
1806		*/
1807	<	public void testThenAcceptBoth_exceptionalCompletion() {
1807	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1808		for (ExecutionMode m : ExecutionMode.values())
1477	–	for (boolean createIncomplete : new boolean[] { true, false })
1809		for (boolean fFirst : new boolean[] { true, false })
1810	+	for (boolean failFirst : new boolean[] { true, false })
1811		for (Integer v1 : new Integer[] { 1, null })
1812		{
1813		final CompletableFuture<Integer> f = new CompletableFuture<>();
1814		final CompletableFuture<Integer> g = new CompletableFuture<>();
1815		final CFException ex = new CFException();
1816	<	final SubtractAction r = new SubtractAction(m);
1816	>	final SubtractAction r1 = new SubtractAction(m);
1817	>	final SubtractAction r2 = new SubtractAction(m);
1818	>	final SubtractAction r3 = new SubtractAction(m);
1819
1820	<	(fFirst ? f : g).complete(v1);
1821	<	if (!createIncomplete)
1822	<	(!fFirst ? f : g).completeExceptionally(ex);
1823	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1824	<	if (createIncomplete) {
1825	<	checkIncomplete(h);
1826	<	(!fFirst ? f : g).completeExceptionally(ex);
1827	<	}
1820	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1821	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1822	>	final Callable<Boolean> complete1 = failFirst ?
1823	>	() -> fst.completeExceptionally(ex) :
1824	>	() -> fst.complete(v1);
1825	>	final Callable<Boolean> complete2 = failFirst ?
1826	>	() -> snd.complete(v1) :
1827	>	() -> snd.completeExceptionally(ex);
1828
1829	<	checkCompletedWithWrappedCFException(h, ex);
1830	<	r.assertNotInvoked();
1831	<	checkCompletedNormally(fFirst ? f : g, v1);
1832	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1829	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1830	>	assertTrue(complete1.call());
1831	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1832	>	checkIncomplete(h1);
1833	>	checkIncomplete(h2);
1834	>	assertTrue(complete2.call());
1835	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1836	>
1837	>	checkCompletedWithWrappedException(h1, ex);
1838	>	checkCompletedWithWrappedException(h2, ex);
1839	>	checkCompletedWithWrappedException(h3, ex);
1840	>	r1.assertNotInvoked();
1841	>	r2.assertNotInvoked();
1842	>	r3.assertNotInvoked();
1843	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1844	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1845		}}
1846
1847		/**
1848		* thenAcceptBoth result completes exceptionally if either source cancelled
1849		*/
1850	<	public void testThenAcceptBoth_sourceCancelled() {
1850	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1851		for (ExecutionMode m : ExecutionMode.values())
1852		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1507	–	for (boolean createIncomplete : new boolean[] { true, false })
1853		for (boolean fFirst : new boolean[] { true, false })
1854	+	for (boolean failFirst : new boolean[] { true, false })
1855		for (Integer v1 : new Integer[] { 1, null })
1856		{
1857		final CompletableFuture<Integer> f = new CompletableFuture<>();
1858		final CompletableFuture<Integer> g = new CompletableFuture<>();
1859	<	final SubtractAction r = new SubtractAction(m);
1859	>	final SubtractAction r1 = new SubtractAction(m);
1860	>	final SubtractAction r2 = new SubtractAction(m);
1861	>	final SubtractAction r3 = new SubtractAction(m);
1862
1863	<	(fFirst ? f : g).complete(v1);
1864	<	if (!createIncomplete)
1865	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1866	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1867	<	if (createIncomplete) {
1868	<	checkIncomplete(h);
1869	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1870	<	}
1863	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1864	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1865	>	final Callable<Boolean> complete1 = failFirst ?
1866	>	() -> fst.cancel(mayInterruptIfRunning) :
1867	>	() -> fst.complete(v1);
1868	>	final Callable<Boolean> complete2 = failFirst ?
1869	>	() -> snd.complete(v1) :
1870	>	() -> snd.cancel(mayInterruptIfRunning);
1871
1872	<	checkCompletedWithWrappedCancellationException(h);
1873	<	checkCancelled(!fFirst ? f : g);
1874	<	r.assertNotInvoked();
1875	<	checkCompletedNormally(fFirst ? f : g, v1);
1872	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1873	>	assertTrue(complete1.call());
1874	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1875	>	checkIncomplete(h1);
1876	>	checkIncomplete(h2);
1877	>	assertTrue(complete2.call());
1878	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1879	>
1880	>	checkCompletedWithWrappedCancellationException(h1);
1881	>	checkCompletedWithWrappedCancellationException(h2);
1882	>	checkCompletedWithWrappedCancellationException(h3);
1883	>	r1.assertNotInvoked();
1884	>	r2.assertNotInvoked();
1885	>	r3.assertNotInvoked();
1886	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1887	>	checkCancelled(failFirst ? fst : snd);
1888		}}
1889
1890		/**
#	Line 1538 | Line 1898 | public class CompletableFutureTest exten
1898		{
1899		final CompletableFuture<Integer> f = new CompletableFuture<>();
1900		final CompletableFuture<Integer> g = new CompletableFuture<>();
1901	<	final FailingBiConsumer r = new FailingBiConsumer(m);
1902	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1903	<
1904	<	if (fFirst) {
1905	<	f.complete(v1);
1906	<	g.complete(v2);
1907	<	} else {
1908	<	g.complete(v2);
1909	<	f.complete(v1);
1910	<	}
1901	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1902	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1903	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1904	>
1905	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1906	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1907	>	final Integer w1 =  fFirst ? v1 : v2;
1908	>	final Integer w2 = !fFirst ? v1 : v2;
1909	>
1910	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1911	>	assertTrue(fst.complete(w1));
1912	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1913	>	assertTrue(snd.complete(w2));
1914	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1915
1916	<	checkCompletedWithWrappedCFException(h);
1916	>	checkCompletedWithWrappedCFException(h1);
1917	>	checkCompletedWithWrappedCFException(h2);
1918	>	checkCompletedWithWrappedCFException(h3);
1919	>	r1.assertInvoked();
1920	>	r2.assertInvoked();
1921	>	r3.assertInvoked();
1922		checkCompletedNormally(f, v1);
1923		checkCompletedNormally(g, v2);
1924		}}
#	Line 1560 | Line 1929 | public class CompletableFutureTest exten
1929		*/
1930		public void testRunAfterBoth_normalCompletion() {
1931		for (ExecutionMode m : ExecutionMode.values())
1563	–	for (boolean createIncomplete : new boolean[] { true, false })
1932		for (boolean fFirst : new boolean[] { true, false })
1933		for (Integer v1 : new Integer[] { 1, null })
1934		for (Integer v2 : new Integer[] { 2, null })
1935		{
1936		final CompletableFuture<Integer> f = new CompletableFuture<>();
1937		final CompletableFuture<Integer> g = new CompletableFuture<>();
1938	<	final Noop r = new Noop(m);
1939	<
1940	<	if (fFirst) f.complete(v1); else g.complete(v2);
1941	<	if (!createIncomplete)
1942	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1943	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1944	<	if (createIncomplete) {
1945	<	checkIncomplete(h);
1946	<	r.assertNotInvoked();
1947	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1948	<	}
1949	<
1950	<	checkCompletedNormally(h, null);
1951	<	r.assertInvoked();
1938	>	final Noop r1 = new Noop(m);
1939	>	final Noop r2 = new Noop(m);
1940	>	final Noop r3 = new Noop(m);
1941	>
1942	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1943	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1944	>	final Integer w1 =  fFirst ? v1 : v2;
1945	>	final Integer w2 = !fFirst ? v1 : v2;
1946	>
1947	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1948	>	assertTrue(fst.complete(w1));
1949	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1950	>	checkIncomplete(h1);
1951	>	checkIncomplete(h2);
1952	>	r1.assertNotInvoked();
1953	>	r2.assertNotInvoked();
1954	>	assertTrue(snd.complete(w2));
1955	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1956	>
1957	>	checkCompletedNormally(h1, null);
1958	>	checkCompletedNormally(h2, null);
1959	>	checkCompletedNormally(h3, null);
1960	>	r1.assertInvoked();
1961	>	r2.assertInvoked();
1962	>	r3.assertInvoked();
1963		checkCompletedNormally(f, v1);
1964		checkCompletedNormally(g, v2);
1965		}}
#	Line 1589 | Line 1968 | public class CompletableFutureTest exten
1968		* runAfterBoth result completes exceptionally after exceptional
1969		* completion of either source
1970		*/
1971	<	public void testRunAfterBoth_exceptionalCompletion() {
1971	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1972		for (ExecutionMode m : ExecutionMode.values())
1594	–	for (boolean createIncomplete : new boolean[] { true, false })
1973		for (boolean fFirst : new boolean[] { true, false })
1974	+	for (boolean failFirst : new boolean[] { true, false })
1975		for (Integer v1 : new Integer[] { 1, null })
1976		{
1977		final CompletableFuture<Integer> f = new CompletableFuture<>();
1978		final CompletableFuture<Integer> g = new CompletableFuture<>();
1979		final CFException ex = new CFException();
1980	<	final Noop r = new Noop(m);
1980	>	final Noop r1 = new Noop(m);
1981	>	final Noop r2 = new Noop(m);
1982	>	final Noop r3 = new Noop(m);
1983
1984	<	(fFirst ? f : g).complete(v1);
1985	<	if (!createIncomplete)
1986	<	(!fFirst ? f : g).completeExceptionally(ex);
1987	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1988	<	if (createIncomplete) {
1989	<	checkIncomplete(h);
1990	<	(!fFirst ? f : g).completeExceptionally(ex);
1991	<	}
1984	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1985	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1986	>	final Callable<Boolean> complete1 = failFirst ?
1987	>	() -> fst.completeExceptionally(ex) :
1988	>	() -> fst.complete(v1);
1989	>	final Callable<Boolean> complete2 = failFirst ?
1990	>	() -> snd.complete(v1) :
1991	>	() -> snd.completeExceptionally(ex);
1992
1993	<	checkCompletedWithWrappedCFException(h, ex);
1994	<	r.assertNotInvoked();
1995	<	checkCompletedNormally(fFirst ? f : g, v1);
1996	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1993	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1994	>	assertTrue(complete1.call());
1995	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1996	>	checkIncomplete(h1);
1997	>	checkIncomplete(h2);
1998	>	assertTrue(complete2.call());
1999	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2000	>
2001	>	checkCompletedWithWrappedException(h1, ex);
2002	>	checkCompletedWithWrappedException(h2, ex);
2003	>	checkCompletedWithWrappedException(h3, ex);
2004	>	r1.assertNotInvoked();
2005	>	r2.assertNotInvoked();
2006	>	r3.assertNotInvoked();
2007	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2008	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2009		}}
2010
2011		/**
2012		* runAfterBoth result completes exceptionally if either source cancelled
2013		*/
2014	<	public void testRunAfterBoth_sourceCancelled() {
2014	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2015		for (ExecutionMode m : ExecutionMode.values())
2016		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1624	–	for (boolean createIncomplete : new boolean[] { true, false })
2017		for (boolean fFirst : new boolean[] { true, false })
2018	+	for (boolean failFirst : new boolean[] { true, false })
2019		for (Integer v1 : new Integer[] { 1, null })
2020		{
2021		final CompletableFuture<Integer> f = new CompletableFuture<>();
2022		final CompletableFuture<Integer> g = new CompletableFuture<>();
2023	<	final Noop r = new Noop(m);
2023	>	final Noop r1 = new Noop(m);
2024	>	final Noop r2 = new Noop(m);
2025	>	final Noop r3 = new Noop(m);
2026
2027	+	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2028	+	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2029	+	final Callable<Boolean> complete1 = failFirst ?
2030	+	() -> fst.cancel(mayInterruptIfRunning) :
2031	+	() -> fst.complete(v1);
2032	+	final Callable<Boolean> complete2 = failFirst ?
2033	+	() -> snd.complete(v1) :
2034	+	() -> snd.cancel(mayInterruptIfRunning);
2035
2036	<	(fFirst ? f : g).complete(v1);
2037	<	if (!createIncomplete)
2038	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2039	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2040	<	if (createIncomplete) {
2041	<	checkIncomplete(h);
2042	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1640	<	}
2036	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2037	>	assertTrue(complete1.call());
2038	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2039	>	checkIncomplete(h1);
2040	>	checkIncomplete(h2);
2041	>	assertTrue(complete2.call());
2042	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2043
2044	<	checkCompletedWithWrappedCancellationException(h);
2045	<	checkCancelled(!fFirst ? f : g);
2046	<	r.assertNotInvoked();
2047	<	checkCompletedNormally(fFirst ? f : g, v1);
2044	>	checkCompletedWithWrappedCancellationException(h1);
2045	>	checkCompletedWithWrappedCancellationException(h2);
2046	>	checkCompletedWithWrappedCancellationException(h3);
2047	>	r1.assertNotInvoked();
2048	>	r2.assertNotInvoked();
2049	>	r3.assertNotInvoked();
2050	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2051	>	checkCancelled(failFirst ? fst : snd);
2052		}}
2053
2054		/**
#	Line 1658 | Line 2064 | public class CompletableFutureTest exten
2064		final CompletableFuture<Integer> g = new CompletableFuture<>();
2065		final FailingRunnable r1 = new FailingRunnable(m);
2066		final FailingRunnable r2 = new FailingRunnable(m);
2067	+	final FailingRunnable r3 = new FailingRunnable(m);
2068
2069	<	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2070	<	if (fFirst) {
2071	<	f.complete(v1);
2072	<	g.complete(v2);
2073	<	} else {
2074	<	g.complete(v2);
2075	<	f.complete(v1);
2076	<	}
2077	<	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2069	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2070	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2071	>	final Integer w1 =  fFirst ? v1 : v2;
2072	>	final Integer w2 = !fFirst ? v1 : v2;
2073	>
2074	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2075	>	assertTrue(fst.complete(w1));
2076	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2077	>	assertTrue(snd.complete(w2));
2078	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2079
2080		checkCompletedWithWrappedCFException(h1);
2081		checkCompletedWithWrappedCFException(h2);
2082	+	checkCompletedWithWrappedCFException(h3);
2083	+	r1.assertInvoked();
2084	+	r2.assertInvoked();
2085	+	r3.assertInvoked();
2086		checkCompletedNormally(f, v1);
2087		checkCompletedNormally(g, v2);
2088		}}
#	Line 1744 | Line 2156 | public class CompletableFutureTest exten
2156		rs[0].assertNotInvoked();
2157		rs[1].assertNotInvoked();
2158		f.completeExceptionally(ex);
2159	<	checkCompletedWithWrappedCFException(h0, ex);
2160	<	checkCompletedWithWrappedCFException(h1, ex);
2159	>	checkCompletedWithWrappedException(h0, ex);
2160	>	checkCompletedWithWrappedException(h1, ex);
2161		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2162		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2163	<	checkCompletedWithWrappedCFException(h2, ex);
2164	<	checkCompletedWithWrappedCFException(h3, ex);
2163	>	checkCompletedWithWrappedException(h2, ex);
2164	>	checkCompletedWithWrappedException(h3, ex);
2165		g.complete(v1);
2166
2167		// unspecified behavior - both source completions available
#	Line 1757 | Line 2169 | public class CompletableFutureTest exten
2169		final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2170		try {
2171		assertEquals(inc(v1), h4.join());
2172	<	rs[4].assertInvoked();
2172	>	rs[4].assertValue(inc(v1));
2173		} catch (CompletionException ok) {
2174	<	checkCompletedWithWrappedCFException(h4, ex);
2174	>	checkCompletedWithWrappedException(h4, ex);
2175		rs[4].assertNotInvoked();
2176		}
2177		try {
2178		assertEquals(inc(v1), h5.join());
2179	<	rs[5].assertInvoked();
2179	>	rs[5].assertValue(inc(v1));
2180		} catch (CompletionException ok) {
2181	<	checkCompletedWithWrappedCFException(h5, ex);
2181	>	checkCompletedWithWrappedException(h5, ex);
2182		rs[5].assertNotInvoked();
2183		}
2184
2185	<	checkCompletedWithWrappedCFException(f, ex);
2185	>	checkCompletedExceptionally(f, ex);
2186		checkCompletedNormally(g, v1);
2187	<	checkCompletedWithWrappedCFException(h0, ex);
2188	<	checkCompletedWithWrappedCFException(h1, ex);
2189	<	checkCompletedWithWrappedCFException(h2, ex);
2190	<	checkCompletedWithWrappedCFException(h3, ex);
2191	<	checkCompletedWithWrappedCFException(h4, ex);
2187	>	checkCompletedWithWrappedException(h0, ex);
2188	>	checkCompletedWithWrappedException(h1, ex);
2189	>	checkCompletedWithWrappedException(h2, ex);
2190	>	checkCompletedWithWrappedException(h3, ex);
2191	>	checkCompletedWithWrappedException(h4, ex);
2192		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2193		}}
2194
2195	+	public void testApplyToEither_exceptionalCompletion2() {
2196	+	for (ExecutionMode m : ExecutionMode.values())
2197	+	for (boolean fFirst : new boolean[] { true, false })
2198	+	for (Integer v1 : new Integer[] { 1, null })
2199	+	{
2200	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
2201	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
2202	+	final CFException ex = new CFException();
2203	+	final IncFunction[] rs = new IncFunction[6];
2204	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2205	+
2206	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2207	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2208	+	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2209	+	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2210	+	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2211	+	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2212	+
2213	+	// unspecified behavior - both source completions available
2214	+	try {
2215	+	assertEquals(inc(v1), h0.join());
2216	+	rs[0].assertValue(inc(v1));
2217	+	} catch (CompletionException ok) {
2218	+	checkCompletedWithWrappedException(h0, ex);
2219	+	rs[0].assertNotInvoked();
2220	+	}
2221	+	try {
2222	+	assertEquals(inc(v1), h1.join());
2223	+	rs[1].assertValue(inc(v1));
2224	+	} catch (CompletionException ok) {
2225	+	checkCompletedWithWrappedException(h1, ex);
2226	+	rs[1].assertNotInvoked();
2227	+	}
2228	+	try {
2229	+	assertEquals(inc(v1), h2.join());
2230	+	rs[2].assertValue(inc(v1));
2231	+	} catch (CompletionException ok) {
2232	+	checkCompletedWithWrappedException(h2, ex);
2233	+	rs[2].assertNotInvoked();
2234	+	}
2235	+	try {
2236	+	assertEquals(inc(v1), h3.join());
2237	+	rs[3].assertValue(inc(v1));
2238	+	} catch (CompletionException ok) {
2239	+	checkCompletedWithWrappedException(h3, ex);
2240	+	rs[3].assertNotInvoked();
2241	+	}
2242	+
2243	+	checkCompletedNormally(f, v1);
2244	+	checkCompletedExceptionally(g, ex);
2245	+	}}
2246	+
2247		/**
2248		* applyToEither result completes exceptionally if either source cancelled
2249		*/
#	Line 1813 | Line 2277 | public class CompletableFutureTest exten
2277		final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2278		try {
2279		assertEquals(inc(v1), h4.join());
2280	<	rs[4].assertInvoked();
2280	>	rs[4].assertValue(inc(v1));
2281		} catch (CompletionException ok) {
2282		checkCompletedWithWrappedCancellationException(h4);
2283		rs[4].assertNotInvoked();
2284		}
2285		try {
2286		assertEquals(inc(v1), h5.join());
2287	<	rs[5].assertInvoked();
2287	>	rs[5].assertValue(inc(v1));
2288		} catch (CompletionException ok) {
2289		checkCompletedWithWrappedCancellationException(h5);
2290		rs[5].assertNotInvoked();
#	Line 1835 | Line 2299 | public class CompletableFutureTest exten
2299		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2300		}}
2301
2302	<	/**
1839	<	* applyToEither result completes exceptionally if action does
1840	<	*/
1841	<	public void testApplyToEither_actionFailed() {
2302	>	public void testApplyToEither_sourceCancelled2() {
2303		for (ExecutionMode m : ExecutionMode.values())
2304	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2305	+	for (boolean fFirst : new boolean[] { true, false })
2306		for (Integer v1 : new Integer[] { 1, null })
1844	–	for (Integer v2 : new Integer[] { 2, null })
2307		{
2308		final CompletableFuture<Integer> f = new CompletableFuture<>();
2309		final CompletableFuture<Integer> g = new CompletableFuture<>();
2310	<	final FailingFunction[] rs = new FailingFunction[6];
2311	<	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2310	>	final IncFunction[] rs = new IncFunction[6];
2311	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2312
2313		final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2314		final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2315	<	f.complete(v1);
2315	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2316	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2317		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2318		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2319	<	g.complete(v2);
2320	<	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2321	<	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2322	<
2319	>
2320	>	// unspecified behavior - both source completions available
2321	>	try {
2322	>	assertEquals(inc(v1), h0.join());
2323	>	rs[0].assertValue(inc(v1));
2324	>	} catch (CompletionException ok) {
2325	>	checkCompletedWithWrappedCancellationException(h0);
2326	>	rs[0].assertNotInvoked();
2327	>	}
2328	>	try {
2329	>	assertEquals(inc(v1), h1.join());
2330	>	rs[1].assertValue(inc(v1));
2331	>	} catch (CompletionException ok) {
2332	>	checkCompletedWithWrappedCancellationException(h1);
2333	>	rs[1].assertNotInvoked();
2334	>	}
2335	>	try {
2336	>	assertEquals(inc(v1), h2.join());
2337	>	rs[2].assertValue(inc(v1));
2338	>	} catch (CompletionException ok) {
2339	>	checkCompletedWithWrappedCancellationException(h2);
2340	>	rs[2].assertNotInvoked();
2341	>	}
2342	>	try {
2343	>	assertEquals(inc(v1), h3.join());
2344	>	rs[3].assertValue(inc(v1));
2345	>	} catch (CompletionException ok) {
2346	>	checkCompletedWithWrappedCancellationException(h3);
2347	>	rs[3].assertNotInvoked();
2348	>	}
2349	>
2350		checkCompletedNormally(f, v1);
2351	<	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();
2351	>	checkCancelled(g);
2352		}}
2353
2354		/**
2355	<	* acceptEither result completes normally after normal completion
1873	<	* of either source
2355	>	* applyToEither result completes exceptionally if action does
2356		*/
2357	<	public void testAcceptEither_normalCompletion1() {
2357	>	public void testApplyToEither_actionFailed() {
2358		for (ExecutionMode m : ExecutionMode.values())
2359		for (Integer v1 : new Integer[] { 1, null })
2360		for (Integer v2 : new Integer[] { 2, null })
2361		{
2362		final CompletableFuture<Integer> f = new CompletableFuture<>();
2363		final CompletableFuture<Integer> g = new CompletableFuture<>();
2364	<	final IncAction r = new IncAction(m);
2365	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2364	>	final FailingFunction[] rs = new FailingFunction[6];
2365	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2366
2367	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2368	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2369		f.complete(v1);
2370	<	checkCompletedNormally(h, null);
2371	<	assertEquals(inc(v1), r.value);
2372	<	g.complete(v2);
2370	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2371	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2372	>	checkCompletedWithWrappedCFException(h0);
2373	>	checkCompletedWithWrappedCFException(h1);
2374	>	checkCompletedWithWrappedCFException(h2);
2375	>	checkCompletedWithWrappedCFException(h3);
2376	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2377
2378	<	checkCompletedNormally(f, v1);
1891	<	checkCompletedNormally(g, v2);
1892	<	checkCompletedNormally(h, null);
1893	<	}}
2378	>	g.complete(v2);
2379
2380	<	public void testAcceptEither_normalCompletion2() {
2381	<	for (ExecutionMode m : ExecutionMode.values())
2382	<	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);
2380	>	// unspecified behavior - both source completions available
2381	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2382	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2383
2384	<	g.complete(v2);
2385	<	checkCompletedNormally(h, null);
2386	<	assertEquals(inc(v2), r.value);
2387	<	f.complete(v1);
2384	>	checkCompletedWithWrappedCFException(h4);
2385	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2386	>	Objects.equals(v2, rs[4].value));
2387	>	checkCompletedWithWrappedCFException(h5);
2388	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2389	>	Objects.equals(v2, rs[5].value));
2390
2391		checkCompletedNormally(f, v1);
2392		checkCompletedNormally(g, v2);
1912	–	checkCompletedNormally(h, null);
2393		}}
2394
2395	<	public void testAcceptEither_normalCompletion3() {
2395	>	/**
2396	>	* acceptEither result completes normally after normal completion
2397	>	* of either source
2398	>	*/
2399	>	public void testAcceptEither_normalCompletion() {
2400		for (ExecutionMode m : ExecutionMode.values())
2401		for (Integer v1 : new Integer[] { 1, null })
2402		for (Integer v2 : new Integer[] { 2, null })
2403		{
2404		final CompletableFuture<Integer> f = new CompletableFuture<>();
2405		final CompletableFuture<Integer> g = new CompletableFuture<>();
2406	<	final IncAction r = new IncAction(m);
2406	>	final NoopConsumer[] rs = new NoopConsumer[6];
2407	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2408
2409	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2410	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2411	+	checkIncomplete(h0);
2412	+	checkIncomplete(h1);
2413	+	rs[0].assertNotInvoked();
2414	+	rs[1].assertNotInvoked();
2415		f.complete(v1);
2416	+	checkCompletedNormally(h0, null);
2417	+	checkCompletedNormally(h1, null);
2418	+	rs[0].assertValue(v1);
2419	+	rs[1].assertValue(v1);
2420	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2421	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2422	+	checkCompletedNormally(h2, null);
2423	+	checkCompletedNormally(h3, null);
2424	+	rs[2].assertValue(v1);
2425	+	rs[3].assertValue(v1);
2426		g.complete(v2);
1926	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2427
2428	<	checkCompletedNormally(h, null);
2428	>	// unspecified behavior - both source completions available
2429	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2430	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2431	>	checkCompletedNormally(h4, null);
2432	>	checkCompletedNormally(h5, null);
2433	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2434	>	Objects.equals(v2, rs[4].value));
2435	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2436	>	Objects.equals(v2, rs[5].value));
2437	>
2438		checkCompletedNormally(f, v1);
2439		checkCompletedNormally(g, v2);
2440	<
2441	<	// unspecified behavior
2442	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2443	<	Objects.equals(r.value, inc(v2)));
2440	>	checkCompletedNormally(h0, null);
2441	>	checkCompletedNormally(h1, null);
2442	>	checkCompletedNormally(h2, null);
2443	>	checkCompletedNormally(h3, null);
2444	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2445		}}
2446
2447		/**
2448		* acceptEither result completes exceptionally after exceptional
2449		* completion of either source
2450		*/
2451	<	public void testAcceptEither_exceptionalCompletion1() {
2451	>	public void testAcceptEither_exceptionalCompletion() {
2452		for (ExecutionMode m : ExecutionMode.values())
2453		for (Integer v1 : new Integer[] { 1, null })
2454		{
2455		final CompletableFuture<Integer> f = new CompletableFuture<>();
2456		final CompletableFuture<Integer> g = new CompletableFuture<>();
1947	–	final IncAction r = new IncAction(m);
1948	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2457		final CFException ex = new CFException();
2458	+	final NoopConsumer[] rs = new NoopConsumer[6];
2459	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2460
2461	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2462	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2463	+	checkIncomplete(h0);
2464	+	checkIncomplete(h1);
2465	+	rs[0].assertNotInvoked();
2466	+	rs[1].assertNotInvoked();
2467		f.completeExceptionally(ex);
2468	<	checkCompletedWithWrappedCFException(h, ex);
2468	>	checkCompletedWithWrappedException(h0, ex);
2469	>	checkCompletedWithWrappedException(h1, ex);
2470	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2471	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2472	>	checkCompletedWithWrappedException(h2, ex);
2473	>	checkCompletedWithWrappedException(h3, ex);
2474	>
2475		g.complete(v1);
2476
2477	<	r.assertNotInvoked();
2477	>	// unspecified behavior - both source completions available
2478	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2479	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2480	>	try {
2481	>	assertNull(h4.join());
2482	>	rs[4].assertValue(v1);
2483	>	} catch (CompletionException ok) {
2484	>	checkCompletedWithWrappedException(h4, ex);
2485	>	rs[4].assertNotInvoked();
2486	>	}
2487	>	try {
2488	>	assertNull(h5.join());
2489	>	rs[5].assertValue(v1);
2490	>	} catch (CompletionException ok) {
2491	>	checkCompletedWithWrappedException(h5, ex);
2492	>	rs[5].assertNotInvoked();
2493	>	}
2494	>
2495	>	checkCompletedExceptionally(f, ex);
2496		checkCompletedNormally(g, v1);
2497	<	checkCompletedWithWrappedCFException(f, ex);
2498	<	checkCompletedWithWrappedCFException(h, ex);
2497	>	checkCompletedWithWrappedException(h0, ex);
2498	>	checkCompletedWithWrappedException(h1, ex);
2499	>	checkCompletedWithWrappedException(h2, ex);
2500	>	checkCompletedWithWrappedException(h3, ex);
2501	>	checkCompletedWithWrappedException(h4, ex);
2502	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2503		}}
2504
2505		public void testAcceptEither_exceptionalCompletion2() {
2506		for (ExecutionMode m : ExecutionMode.values())
2507	+	for (boolean fFirst : new boolean[] { true, false })
2508		for (Integer v1 : new Integer[] { 1, null })
2509		{
2510		final CompletableFuture<Integer> f = new CompletableFuture<>();
2511		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);
2512		final CFException ex = new CFException();
2513	+	final NoopConsumer[] rs = new NoopConsumer[6];
2514	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2515
2516	<	g.completeExceptionally(ex);
2517	<	f.complete(v1);
2518	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2516	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2517	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2518	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2519	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2520	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2521	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2522
2523	<	// unspecified behavior
1995	<	Integer v;
2523	>	// unspecified behavior - both source completions available
2524		try {
2525	<	assertNull(h.join());
2526	<	r.assertInvoked();
1999	<	assertEquals(inc(v1), r.value);
2525	>	assertEquals(null, h0.join());
2526	>	rs[0].assertValue(v1);
2527		} catch (CompletionException ok) {
2528	<	checkCompletedWithWrappedCFException(h, ex);
2529	<	r.assertNotInvoked();
2528	>	checkCompletedWithWrappedException(h0, ex);
2529	>	rs[0].assertNotInvoked();
2530		}
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;
2531		try {
2532	<	assertNull(h.join());
2533	<	r.assertInvoked();
2027	<	assertEquals(inc(v1), r.value);
2532	>	assertEquals(null, h1.join());
2533	>	rs[1].assertValue(v1);
2534		} catch (CompletionException ok) {
2535	<	checkCompletedWithWrappedCFException(h, ex);
2536	<	r.assertNotInvoked();
2535	>	checkCompletedWithWrappedException(h1, ex);
2536	>	rs[1].assertNotInvoked();
2537	>	}
2538	>	try {
2539	>	assertEquals(null, h2.join());
2540	>	rs[2].assertValue(v1);
2541	>	} catch (CompletionException ok) {
2542	>	checkCompletedWithWrappedException(h2, ex);
2543	>	rs[2].assertNotInvoked();
2544	>	}
2545	>	try {
2546	>	assertEquals(null, h3.join());
2547	>	rs[3].assertValue(v1);
2548	>	} catch (CompletionException ok) {
2549	>	checkCompletedWithWrappedException(h3, ex);
2550	>	rs[3].assertNotInvoked();
2551		}
2552
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);
2553		checkCompletedNormally(f, v1);
2554	<	checkCompletedNormally(g, v2);
2554	>	checkCompletedExceptionally(g, ex);
2555		}}
2556
2557		/**
2558		* acceptEither result completes exceptionally if either source cancelled
2559		*/
2560	<	public void testAcceptEither_sourceCancelled1() {
2560	>	public void testAcceptEither_sourceCancelled() {
2561		for (ExecutionMode m : ExecutionMode.values())
2562		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2563		for (Integer v1 : new Integer[] { 1, null })
2564		{
2565		final CompletableFuture<Integer> f = new CompletableFuture<>();
2566		final CompletableFuture<Integer> g = new CompletableFuture<>();
2567	<	final IncAction r = new IncAction(m);
2568	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2567	>	final NoopConsumer[] rs = new NoopConsumer[6];
2568	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2569
2570	<	assertTrue(f.cancel(mayInterruptIfRunning));
2571	<	checkCompletedWithWrappedCancellationException(h);
2572	<	g.complete(v1);
2573	<
2574	<	checkCancelled(f);
2575	<	r.assertNotInvoked();
2576	<	checkCompletedNormally(g, v1);
2577	<	checkCompletedWithWrappedCancellationException(h);
2578	<	}}
2579	<
2580	<	public void testAcceptEither_sourceCancelled2() {
2581	<	for (ExecutionMode m : ExecutionMode.values())
2582	<	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);
2570	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2571	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2572	>	checkIncomplete(h0);
2573	>	checkIncomplete(h1);
2574	>	rs[0].assertNotInvoked();
2575	>	rs[1].assertNotInvoked();
2576	>	f.cancel(mayInterruptIfRunning);
2577	>	checkCompletedWithWrappedCancellationException(h0);
2578	>	checkCompletedWithWrappedCancellationException(h1);
2579	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2580	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2581	>	checkCompletedWithWrappedCancellationException(h2);
2582	>	checkCompletedWithWrappedCancellationException(h3);
2583
2584	<	assertTrue(g.cancel(mayInterruptIfRunning));
2127	<	f.complete(v1);
2128	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2584	>	g.complete(v1);
2585
2586	<	// unspecified behavior
2587	<	Integer v;
2586	>	// unspecified behavior - both source completions available
2587	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2588	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2589		try {
2590	<	assertNull(h.join());
2591	<	r.assertInvoked();
2135	<	assertEquals(inc(v1), r.value);
2590	>	assertNull(h4.join());
2591	>	rs[4].assertValue(v1);
2592		} catch (CompletionException ok) {
2593	<	checkCompletedWithWrappedCancellationException(h);
2594	<	r.assertNotInvoked();
2593	>	checkCompletedWithWrappedCancellationException(h4);
2594	>	rs[4].assertNotInvoked();
2595		}
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;
2596		try {
2597	<	assertNull(h.join());
2598	<	r.assertInvoked();
2163	<	assertEquals(inc(v1), r.value);
2597	>	assertNull(h5.join());
2598	>	rs[5].assertValue(v1);
2599		} catch (CompletionException ok) {
2600	<	checkCompletedWithWrappedCancellationException(h);
2601	<	r.assertNotInvoked();
2600	>	checkCompletedWithWrappedCancellationException(h5);
2601	>	rs[5].assertNotInvoked();
2602		}
2603
2604		checkCancelled(f);
2605		checkCompletedNormally(g, v1);
2606	+	checkCompletedWithWrappedCancellationException(h0);
2607	+	checkCompletedWithWrappedCancellationException(h1);
2608	+	checkCompletedWithWrappedCancellationException(h2);
2609	+	checkCompletedWithWrappedCancellationException(h3);
2610	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2611		}}
2612
2613		/**
2614	<	* runAfterEither result completes normally after normal completion
2175	<	* of either source
2614	>	* acceptEither result completes exceptionally if action does
2615		*/
2616	<	public void testRunAfterEither_normalCompletion1() {
2616	>	public void testAcceptEither_actionFailed() {
2617		for (ExecutionMode m : ExecutionMode.values())
2618		for (Integer v1 : new Integer[] { 1, null })
2619		for (Integer v2 : new Integer[] { 2, null })
2620		{
2621		final CompletableFuture<Integer> f = new CompletableFuture<>();
2622		final CompletableFuture<Integer> g = new CompletableFuture<>();
2623	<	final Noop r = new Noop(m);
2624	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2623	>	final FailingConsumer[] rs = new FailingConsumer[6];
2624	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2625
2626	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2627	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2628		f.complete(v1);
2629	<	checkCompletedNormally(h, null);
2630	<	r.assertInvoked();
2631	<	g.complete(v2);
2629	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2630	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2631	>	checkCompletedWithWrappedCFException(h0);
2632	>	checkCompletedWithWrappedCFException(h1);
2633	>	checkCompletedWithWrappedCFException(h2);
2634	>	checkCompletedWithWrappedCFException(h3);
2635	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2636
2637	<	checkCompletedNormally(f, v1);
2193	<	checkCompletedNormally(g, v2);
2194	<	checkCompletedNormally(h, null);
2195	<	r.assertInvoked();
2196	<	}}
2637	>	g.complete(v2);
2638
2639	<	public void testRunAfterEither_normalCompletion2() {
2640	<	for (ExecutionMode m : ExecutionMode.values())
2641	<	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);
2639	>	// unspecified behavior - both source completions available
2640	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2641	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2642
2643	<	g.complete(v2);
2644	<	checkCompletedNormally(h, null);
2645	<	r.assertInvoked();
2646	<	f.complete(v1);
2643	>	checkCompletedWithWrappedCFException(h4);
2644	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2645	>	Objects.equals(v2, rs[4].value));
2646	>	checkCompletedWithWrappedCFException(h5);
2647	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2648	>	Objects.equals(v2, rs[5].value));
2649
2650		checkCompletedNormally(f, v1);
2651		checkCompletedNormally(g, v2);
2652	<	checkCompletedNormally(h, null);
2216	<	r.assertInvoked();
2217	<	}}
2652	>	}}
2653
2654	<	public void testRunAfterEither_normalCompletion3() {
2654	>	/**
2655	>	* runAfterEither result completes normally after normal completion
2656	>	* of either source
2657	>	*/
2658	>	public void testRunAfterEither_normalCompletion() {
2659		for (ExecutionMode m : ExecutionMode.values())
2660		for (Integer v1 : new Integer[] { 1, null })
2661		for (Integer v2 : new Integer[] { 2, null })
2662		{
2663		final CompletableFuture<Integer> f = new CompletableFuture<>();
2664		final CompletableFuture<Integer> g = new CompletableFuture<>();
2665	<	final Noop r = new Noop(m);
2665	>	final Noop[] rs = new Noop[6];
2666	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2667
2668	+	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2669	+	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2670	+	checkIncomplete(h0);
2671	+	checkIncomplete(h1);
2672	+	rs[0].assertNotInvoked();
2673	+	rs[1].assertNotInvoked();
2674		f.complete(v1);
2675	+	checkCompletedNormally(h0, null);
2676	+	checkCompletedNormally(h1, null);
2677	+	rs[0].assertInvoked();
2678	+	rs[1].assertInvoked();
2679	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2680	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2681	+	checkCompletedNormally(h2, null);
2682	+	checkCompletedNormally(h3, null);
2683	+	rs[2].assertInvoked();
2684	+	rs[3].assertInvoked();
2685	+
2686		g.complete(v2);
2230	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2687
2688	<	checkCompletedNormally(h, null);
2688	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2689	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2690	>
2691		checkCompletedNormally(f, v1);
2692		checkCompletedNormally(g, v2);
2693	<	r.assertInvoked();
2693	>	checkCompletedNormally(h0, null);
2694	>	checkCompletedNormally(h1, null);
2695	>	checkCompletedNormally(h2, null);
2696	>	checkCompletedNormally(h3, null);
2697	>	checkCompletedNormally(h4, null);
2698	>	checkCompletedNormally(h5, null);
2699	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2700		}}
2701
2702		/**
2703		* runAfterEither result completes exceptionally after exceptional
2704		* completion of either source
2705		*/
2706	<	public void testRunAfterEither_exceptionalCompletion1() {
2706	>	public void testRunAfterEither_exceptionalCompletion() {
2707		for (ExecutionMode m : ExecutionMode.values())
2708		for (Integer v1 : new Integer[] { 1, null })
2709		{
2710		final CompletableFuture<Integer> f = new CompletableFuture<>();
2711		final CompletableFuture<Integer> g = new CompletableFuture<>();
2248	–	final Noop r = new Noop(m);
2249	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2712		final CFException ex = new CFException();
2713	+	final Noop[] rs = new Noop[6];
2714	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2715
2716	<	f.completeExceptionally(ex);
2717	<	checkCompletedWithWrappedCFException(h, ex);
2718	<	g.complete(v1);
2719	<
2720	<	r.assertNotInvoked();
2721	<	checkCompletedNormally(g, v1);
2722	<	checkCompletedWithWrappedCFException(f, ex);
2723	<	checkCompletedWithWrappedCFException(h, ex);
2724	<	}}
2725	<
2726	<	public void testRunAfterEither_exceptionalCompletion2() {
2727	<	for (ExecutionMode m : ExecutionMode.values())
2728	<	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();
2716	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2717	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2718	>	checkIncomplete(h0);
2719	>	checkIncomplete(h1);
2720	>	rs[0].assertNotInvoked();
2721	>	rs[1].assertNotInvoked();
2722	>	assertTrue(f.completeExceptionally(ex));
2723	>	checkCompletedWithWrappedException(h0, ex);
2724	>	checkCompletedWithWrappedException(h1, ex);
2725	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2726	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2727	>	checkCompletedWithWrappedException(h2, ex);
2728	>	checkCompletedWithWrappedException(h3, ex);
2729
2730	<	g.completeExceptionally(ex);
2292	<	f.complete(v1);
2293	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2730	>	assertTrue(g.complete(v1));
2731
2732	<	// unspecified behavior
2733	<	Integer v;
2732	>	// unspecified behavior - both source completions available
2733	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2734	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2735		try {
2736	<	assertNull(h.join());
2737	<	r.assertInvoked();
2736	>	assertNull(h4.join());
2737	>	rs[4].assertInvoked();
2738		} catch (CompletionException ok) {
2739	<	checkCompletedWithWrappedCFException(h, ex);
2740	<	r.assertNotInvoked();
2739	>	checkCompletedWithWrappedException(h4, ex);
2740	>	rs[4].assertNotInvoked();
2741		}
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;
2742		try {
2743	<	assertNull(h.join());
2744	<	r.assertInvoked();
2743	>	assertNull(h5.join());
2744	>	rs[5].assertInvoked();
2745		} catch (CompletionException ok) {
2746	<	checkCompletedWithWrappedCFException(h, ex);
2747	<	r.assertNotInvoked();
2746	>	checkCompletedWithWrappedException(h5, ex);
2747	>	rs[5].assertNotInvoked();
2748		}
2749
2750	<	checkCompletedWithWrappedCFException(f, ex);
2750	>	checkCompletedExceptionally(f, ex);
2751		checkCompletedNormally(g, v1);
2752	+	checkCompletedWithWrappedException(h0, ex);
2753	+	checkCompletedWithWrappedException(h1, ex);
2754	+	checkCompletedWithWrappedException(h2, ex);
2755	+	checkCompletedWithWrappedException(h3, ex);
2756	+	checkCompletedWithWrappedException(h4, ex);
2757	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2758		}}
2759
2760	<	/**
2337	<	* runAfterEither result completes exceptionally if action does
2338	<	*/
2339	<	public void testRunAfterEither_actionFailed1() {
2760	>	public void testRunAfterEither_exceptionalCompletion2() {
2761		for (ExecutionMode m : ExecutionMode.values())
2762	+	for (boolean fFirst : new boolean[] { true, false })
2763		for (Integer v1 : new Integer[] { 1, null })
2342	–	for (Integer v2 : new Integer[] { 2, null })
2764		{
2765		final CompletableFuture<Integer> f = new CompletableFuture<>();
2766		final CompletableFuture<Integer> g = new CompletableFuture<>();
2767	<	final FailingRunnable r = new FailingRunnable(m);
2768	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2767	>	final CFException ex = new CFException();
2768	>	final Noop[] rs = new Noop[6];
2769	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2770
2771	<	f.complete(v1);
2772	<	checkCompletedWithWrappedCFException(h);
2773	<	g.complete(v2);
2774	<	checkCompletedNormally(f, v1);
2775	<	checkCompletedNormally(g, v2);
2776	<	}}
2771	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2772	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2773	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2774	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2775	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2776	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2777
2778	<	public void testRunAfterEither_actionFailed2() {
2779	<	for (ExecutionMode m : ExecutionMode.values())
2780	<	for (Integer v1 : new Integer[] { 1, null })
2781	<	for (Integer v2 : new Integer[] { 2, null })
2782	<	{
2783	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2784	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2785	<	final FailingRunnable r = new FailingRunnable(m);
2786	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2778	>	// unspecified behavior - both source completions available
2779	>	try {
2780	>	assertEquals(null, h0.join());
2781	>	rs[0].assertInvoked();
2782	>	} catch (CompletionException ok) {
2783	>	checkCompletedWithWrappedException(h0, ex);
2784	>	rs[0].assertNotInvoked();
2785	>	}
2786	>	try {
2787	>	assertEquals(null, h1.join());
2788	>	rs[1].assertInvoked();
2789	>	} catch (CompletionException ok) {
2790	>	checkCompletedWithWrappedException(h1, ex);
2791	>	rs[1].assertNotInvoked();
2792	>	}
2793	>	try {
2794	>	assertEquals(null, h2.join());
2795	>	rs[2].assertInvoked();
2796	>	} catch (CompletionException ok) {
2797	>	checkCompletedWithWrappedException(h2, ex);
2798	>	rs[2].assertNotInvoked();
2799	>	}
2800	>	try {
2801	>	assertEquals(null, h3.join());
2802	>	rs[3].assertInvoked();
2803	>	} catch (CompletionException ok) {
2804	>	checkCompletedWithWrappedException(h3, ex);
2805	>	rs[3].assertNotInvoked();
2806	>	}
2807
2366	–	g.complete(v2);
2367	–	checkCompletedWithWrappedCFException(h);
2368	–	f.complete(v1);
2808		checkCompletedNormally(f, v1);
2809	<	checkCompletedNormally(g, v2);
2809	>	checkCompletedExceptionally(g, ex);
2810		}}
2811
2812		/**
2813		* runAfterEither result completes exceptionally if either source cancelled
2814		*/
2815	<	public void testRunAfterEither_sourceCancelled1() {
2815	>	public void testRunAfterEither_sourceCancelled() {
2816		for (ExecutionMode m : ExecutionMode.values())
2817		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2818		for (Integer v1 : new Integer[] { 1, null })
2819		{
2820		final CompletableFuture<Integer> f = new CompletableFuture<>();
2821		final CompletableFuture<Integer> g = new CompletableFuture<>();
2822	<	final Noop r = new Noop(m);
2823	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2822	>	final Noop[] rs = new Noop[6];
2823	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2824
2825	<	assertTrue(f.cancel(mayInterruptIfRunning));
2826	<	checkCompletedWithWrappedCancellationException(h);
2827	<	g.complete(v1);
2828	<
2829	<	checkCancelled(f);
2830	<	r.assertNotInvoked();
2831	<	checkCompletedNormally(g, v1);
2832	<	checkCompletedWithWrappedCancellationException(h);
2833	<	}}
2834	<
2835	<	public void testRunAfterEither_sourceCancelled2() {
2836	<	for (ExecutionMode m : ExecutionMode.values())
2837	<	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	<	}}
2415	<
2416	<	public void testRunAfterEither_sourceCancelled3() {
2417	<	for (ExecutionMode m : ExecutionMode.values())
2418	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2419	<	for (Integer v1 : new Integer[] { 1, null })
2420	<	{
2421	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2422	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2423	<	final Noop r = new Noop(m);
2825	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2826	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2827	>	checkIncomplete(h0);
2828	>	checkIncomplete(h1);
2829	>	rs[0].assertNotInvoked();
2830	>	rs[1].assertNotInvoked();
2831	>	f.cancel(mayInterruptIfRunning);
2832	>	checkCompletedWithWrappedCancellationException(h0);
2833	>	checkCompletedWithWrappedCancellationException(h1);
2834	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2835	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2836	>	checkCompletedWithWrappedCancellationException(h2);
2837	>	checkCompletedWithWrappedCancellationException(h3);
2838
2839	<	assertTrue(g.cancel(mayInterruptIfRunning));
2426	<	f.complete(v1);
2427	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2839	>	assertTrue(g.complete(v1));
2840
2841	<	// unspecified behavior
2842	<	Integer v;
2841	>	// unspecified behavior - both source completions available
2842	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2843	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2844		try {
2845	<	assertNull(h.join());
2846	<	r.assertInvoked();
2845	>	assertNull(h4.join());
2846	>	rs[4].assertInvoked();
2847		} catch (CompletionException ok) {
2848	<	checkCompletedWithWrappedCancellationException(h);
2849	<	r.assertNotInvoked();
2848	>	checkCompletedWithWrappedCancellationException(h4);
2849	>	rs[4].assertNotInvoked();
2850	>	}
2851	>	try {
2852	>	assertNull(h5.join());
2853	>	rs[5].assertInvoked();
2854	>	} catch (CompletionException ok) {
2855	>	checkCompletedWithWrappedCancellationException(h5);
2856	>	rs[5].assertNotInvoked();
2857		}
2858
2859	<	checkCancelled(g);
2860	<	checkCompletedNormally(f, v1);
2859	>	checkCancelled(f);
2860	>	checkCompletedNormally(g, v1);
2861	>	checkCompletedWithWrappedCancellationException(h0);
2862	>	checkCompletedWithWrappedCancellationException(h1);
2863	>	checkCompletedWithWrappedCancellationException(h2);
2864	>	checkCompletedWithWrappedCancellationException(h3);
2865	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2866		}}
2867
2868	<	public void testRunAfterEither_sourceCancelled4() {
2868	>	/**
2869	>	* runAfterEither result completes exceptionally if action does
2870	>	*/
2871	>	public void testRunAfterEither_actionFailed() {
2872		for (ExecutionMode m : ExecutionMode.values())
2445	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2873		for (Integer v1 : new Integer[] { 1, null })
2874	+	for (Integer v2 : new Integer[] { 2, null })
2875		{
2876		final CompletableFuture<Integer> f = new CompletableFuture<>();
2877		final CompletableFuture<Integer> g = new CompletableFuture<>();
2878	<	final Noop r = new Noop(m);
2878	>	final FailingRunnable[] rs = new FailingRunnable[6];
2879	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2880
2881	<	assertTrue(f.cancel(mayInterruptIfRunning));
2882	<	g.complete(v1);
2883	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2884	<
2885	<	// unspecified behavior
2886	<	Integer v;
2887	<	try {
2888	<	assertNull(h.join());
2889	<	r.assertInvoked();
2890	<	} catch (CompletionException ok) {
2891	<	checkCompletedWithWrappedCancellationException(h);
2892	<	r.assertNotInvoked();
2893	<	}
2881	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2882	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2883	>	assertTrue(f.complete(v1));
2884	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2885	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2886	>	checkCompletedWithWrappedCFException(h0);
2887	>	checkCompletedWithWrappedCFException(h1);
2888	>	checkCompletedWithWrappedCFException(h2);
2889	>	checkCompletedWithWrappedCFException(h3);
2890	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2891	>	assertTrue(g.complete(v2));
2892	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2893	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2894	>	checkCompletedWithWrappedCFException(h4);
2895	>	checkCompletedWithWrappedCFException(h5);
2896
2897	<	checkCancelled(f);
2898	<	checkCompletedNormally(g, v1);
2897	>	checkCompletedNormally(f, v1);
2898	>	checkCompletedNormally(g, v2);
2899	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2900		}}
2901
2902		/**
#	Line 2477 | Line 2909 | public class CompletableFutureTest exten
2909		{
2910		final CompletableFuture<Integer> f = new CompletableFuture<>();
2911		final CompletableFutureInc r = new CompletableFutureInc(m);
2912	<	if (!createIncomplete) f.complete(v1);
2912	>	if (!createIncomplete) assertTrue(f.complete(v1));
2913		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2914	<	if (createIncomplete) f.complete(v1);
2914	>	if (createIncomplete) assertTrue(f.complete(v1));
2915
2916		checkCompletedNormally(g, inc(v1));
2917		checkCompletedNormally(f, v1);
2918	<	r.assertInvoked();
2918	>	r.assertValue(v1);
2919		}}
2920
2921		/**
#	Line 2501 | Line 2933 | public class CompletableFutureTest exten
2933		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2934		if (createIncomplete) f.completeExceptionally(ex);
2935
2936	<	checkCompletedWithWrappedCFException(g, ex);
2937	<	checkCompletedWithWrappedCFException(f, ex);
2936	>	checkCompletedWithWrappedException(g, ex);
2937	>	checkCompletedExceptionally(f, ex);
2938		r.assertNotInvoked();
2939		}}
2940
#	Line 2517 | Line 2949 | public class CompletableFutureTest exten
2949		final CompletableFuture<Integer> f = new CompletableFuture<>();
2950		final FailingCompletableFutureFunction r
2951		= new FailingCompletableFutureFunction(m);
2952	<	if (!createIncomplete) f.complete(v1);
2952	>	if (!createIncomplete) assertTrue(f.complete(v1));
2953		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2954	<	if (createIncomplete) f.complete(v1);
2954	>	if (createIncomplete) assertTrue(f.complete(v1));
2955
2956		checkCompletedWithWrappedCFException(g);
2957		checkCompletedNormally(f, v1);
#	Line 2546 | Line 2978 | public class CompletableFutureTest exten
2978		checkCancelled(f);
2979		}}
2980
2981	+	/**
2982	+	* thenCompose result completes exceptionally if the result of the action does
2983	+	*/
2984	+	public void testThenCompose_actionReturnsFailingFuture() {
2985	+	for (ExecutionMode m : ExecutionMode.values())
2986	+	for (int order = 0; order < 6; order++)
2987	+	for (Integer v1 : new Integer[] { 1, null })
2988	+	{
2989	+	final CFException ex = new CFException();
2990	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
2991	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
2992	+	final CompletableFuture<Integer> h;
2993	+	// Test all permutations of orders
2994	+	switch (order) {
2995	+	case 0:
2996	+	assertTrue(f.complete(v1));
2997	+	assertTrue(g.completeExceptionally(ex));
2998	+	h = m.thenCompose(f, (x -> g));
2999	+	break;
3000	+	case 1:
3001	+	assertTrue(f.complete(v1));
3002	+	h = m.thenCompose(f, (x -> g));
3003	+	assertTrue(g.completeExceptionally(ex));
3004	+	break;
3005	+	case 2:
3006	+	assertTrue(g.completeExceptionally(ex));
3007	+	assertTrue(f.complete(v1));
3008	+	h = m.thenCompose(f, (x -> g));
3009	+	break;
3010	+	case 3:
3011	+	assertTrue(g.completeExceptionally(ex));
3012	+	h = m.thenCompose(f, (x -> g));
3013	+	assertTrue(f.complete(v1));
3014	+	break;
3015	+	case 4:
3016	+	h = m.thenCompose(f, (x -> g));
3017	+	assertTrue(f.complete(v1));
3018	+	assertTrue(g.completeExceptionally(ex));
3019	+	break;
3020	+	case 5:
3021	+	h = m.thenCompose(f, (x -> g));
3022	+	assertTrue(f.complete(v1));
3023	+	assertTrue(g.completeExceptionally(ex));
3024	+	break;
3025	+	default: throw new AssertionError();
3026	+	}
3027	+
3028	+	checkCompletedExceptionally(g, ex);
3029	+	checkCompletedWithWrappedException(h, ex);
3030	+	checkCompletedNormally(f, v1);
3031	+	}}
3032	+
3033		// other static methods
3034
3035		/**
#	Line 2562 | Line 3046 | public class CompletableFutureTest exten
3046		* when all components complete normally
3047		*/
3048		public void testAllOf_normal() throws Exception {
3049	<	for (int k = 1; k < 20; ++k) {
3049	>	for (int k = 1; k < 10; k++) {
3050		CompletableFuture<Integer>[] fs
3051		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3052	<	for (int i = 0; i < k; ++i)
3052	>	for (int i = 0; i < k; i++)
3053		fs[i] = new CompletableFuture<>();
3054		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3055	<	for (int i = 0; i < k; ++i) {
3055	>	for (int i = 0; i < k; i++) {
3056		checkIncomplete(f);
3057		checkIncomplete(CompletableFuture.allOf(fs));
3058		fs[i].complete(one);
#	Line 2579 | Line 3063 | public class CompletableFutureTest exten
3063		}
3064
3065		public void testAllOf_backwards() throws Exception {
3066	<	for (int k = 1; k < 20; ++k) {
3066	>	for (int k = 1; k < 10; k++) {
3067		CompletableFuture<Integer>[] fs
3068		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3069	<	for (int i = 0; i < k; ++i)
3069	>	for (int i = 0; i < k; i++)
3070		fs[i] = new CompletableFuture<>();
3071		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3072		for (int i = k - 1; i >= 0; i--) {
#	Line 2595 | Line 3079 | public class CompletableFutureTest exten
3079		}
3080		}
3081
3082	+	public void testAllOf_exceptional() throws Exception {
3083	+	for (int k = 1; k < 10; k++) {
3084	+	CompletableFuture<Integer>[] fs
3085	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3086	+	CFException ex = new CFException();
3087	+	for (int i = 0; i < k; i++)
3088	+	fs[i] = new CompletableFuture<>();
3089	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3090	+	for (int i = 0; i < k; i++) {
3091	+	checkIncomplete(f);
3092	+	checkIncomplete(CompletableFuture.allOf(fs));
3093	+	if (i != k / 2) {
3094	+	fs[i].complete(i);
3095	+	checkCompletedNormally(fs[i], i);
3096	+	} else {
3097	+	fs[i].completeExceptionally(ex);
3098	+	checkCompletedExceptionally(fs[i], ex);
3099	+	}
3100	+	}
3101	+	checkCompletedWithWrappedException(f, ex);
3102	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3103	+	}
3104	+	}
3105	+
3106		/**
3107		* anyOf(no component futures) returns an incomplete future
3108		*/
3109		public void testAnyOf_empty() throws Exception {
3110	+	for (Integer v1 : new Integer[] { 1, null })
3111	+	{
3112		CompletableFuture<Object> f = CompletableFuture.anyOf();
3113		checkIncomplete(f);
3114	<	}
3114	>
3115	>	f.complete(v1);
3116	>	checkCompletedNormally(f, v1);
3117	>	}}
3118
3119		/**
3120		* anyOf returns a future completed normally with a value when
3121		* a component future does
3122		*/
3123		public void testAnyOf_normal() throws Exception {
3124	<	for (int k = 0; k < 10; ++k) {
3124	>	for (int k = 0; k < 10; k++) {
3125		CompletableFuture[] fs = new CompletableFuture[k];
3126	<	for (int i = 0; i < k; ++i)
3126	>	for (int i = 0; i < k; i++)
3127		fs[i] = new CompletableFuture<>();
3128		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3129		checkIncomplete(f);
3130	<	for (int i = 0; i < k; ++i) {
3131	<	fs[i].complete(one);
3132	<	checkCompletedNormally(f, one);
3133	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3130	>	for (int i = 0; i < k; i++) {
3131	>	fs[i].complete(i);
3132	>	checkCompletedNormally(f, 0);
3133	>	int x = (int) CompletableFuture.anyOf(fs).join();
3134	>	assertTrue(0 <= x && x <= i);
3135	>	}
3136	>	}
3137	>	}
3138	>	public void testAnyOf_normal_backwards() throws Exception {
3139	>	for (int k = 0; k < 10; k++) {
3140	>	CompletableFuture[] fs = new CompletableFuture[k];
3141	>	for (int i = 0; i < k; i++)
3142	>	fs[i] = new CompletableFuture<>();
3143	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3144	>	checkIncomplete(f);
3145	>	for (int i = k - 1; i >= 0; i--) {
3146	>	fs[i].complete(i);
3147	>	checkCompletedNormally(f, k - 1);
3148	>	int x = (int) CompletableFuture.anyOf(fs).join();
3149	>	assertTrue(i <= x && x <= k - 1);
3150		}
3151		}
3152		}
#	Line 2626 | Line 3155 | public class CompletableFutureTest exten
3155		* anyOf result completes exceptionally when any component does.
3156		*/
3157		public void testAnyOf_exceptional() throws Exception {
3158	<	for (int k = 0; k < 10; ++k) {
3158	>	for (int k = 0; k < 10; k++) {
3159	>	CompletableFuture[] fs = new CompletableFuture[k];
3160	>	CFException[] exs = new CFException[k];
3161	>	for (int i = 0; i < k; i++) {
3162	>	fs[i] = new CompletableFuture<>();
3163	>	exs[i] = new CFException();
3164	>	}
3165	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3166	>	checkIncomplete(f);
3167	>	for (int i = 0; i < k; i++) {
3168	>	fs[i].completeExceptionally(exs[i]);
3169	>	checkCompletedWithWrappedException(f, exs[0]);
3170	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3171	>	}
3172	>	}
3173	>	}
3174	>
3175	>	public void testAnyOf_exceptional_backwards() throws Exception {
3176	>	for (int k = 0; k < 10; k++) {
3177		CompletableFuture[] fs = new CompletableFuture[k];
3178	<	for (int i = 0; i < k; ++i)
3178	>	CFException[] exs = new CFException[k];
3179	>	for (int i = 0; i < k; i++) {
3180		fs[i] = new CompletableFuture<>();
3181	+	exs[i] = new CFException();
3182	+	}
3183		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3184		checkIncomplete(f);
3185	<	for (int i = 0; i < k; ++i) {
3186	<	fs[i].completeExceptionally(new CFException());
3187	<	checkCompletedWithWrappedCFException(f);
3185	>	for (int i = k - 1; i >= 0; i--) {
3186	>	fs[i].completeExceptionally(exs[i]);
3187	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3188		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3189		}
3190		}
#	Line 2647 | Line 3197 | public class CompletableFutureTest exten
3197		CompletableFuture<Integer> f = new CompletableFuture<>();
3198		CompletableFuture<Integer> g = new CompletableFuture<>();
3199		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2650	–	CompletableFuture<?> h;
3200		ThreadExecutor exec = new ThreadExecutor();
3201
3202		Runnable[] throwingActions = {
3203		() -> CompletableFuture.supplyAsync(null),
3204		() -> CompletableFuture.supplyAsync(null, exec),
3205	<	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
3205	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3206
3207		() -> CompletableFuture.runAsync(null),
3208		() -> CompletableFuture.runAsync(null, exec),
#	Line 2744 | Line 3293 | public class CompletableFutureTest exten
3293		() -> CompletableFuture.anyOf(null, f),
3294
3295		() -> f.obtrudeException(null),
3296	+
3297	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3298	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3299	+	() -> CompletableFuture.delayedExecutor(1L, null),
3300	+
3301	+	() -> f.orTimeout(1L, null),
3302	+	() -> f.completeOnTimeout(42, 1L, null),
3303	+
3304	+	() -> CompletableFuture.failedFuture(null),
3305	+	() -> CompletableFuture.failedStage(null),
3306		};
3307
3308		assertThrows(NullPointerException.class, throwingActions);
#	Line 2758 | Line 3317 | public class CompletableFutureTest exten
3317		assertSame(f, f.toCompletableFuture());
3318		}
3319
3320	+	// jdk9
3321	+
3322		/**
3323	<	* whenComplete action executes on normal completion, propagating
2763	<	* source result.
3323	>	* newIncompleteFuture returns an incomplete CompletableFuture
3324		*/
3325	<	public void testWhenComplete_normalCompletion1() {
2766	<	for (ExecutionMode m : ExecutionMode.values())
2767	<	for (boolean createIncomplete : new boolean[] { true, false })
3325	>	public void testNewIncompleteFuture() {
3326		for (Integer v1 : new Integer[] { 1, null })
3327		{
3328	<	final AtomicInteger a = new AtomicInteger(0);
3329	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3330	<	if (!createIncomplete) f.complete(v1);
3331	<	final CompletableFuture<Integer> g = m.whenComplete
3332	<	(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);
3328	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3329	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3330	>	checkIncomplete(f);
3331	>	checkIncomplete(g);
3332	>	f.complete(v1);
3333		checkCompletedNormally(f, v1);
3334	<	assertEquals(1, a.get());
3334	>	checkIncomplete(g);
3335	>	g.complete(v1);
3336	>	checkCompletedNormally(g, v1);
3337	>	assertSame(g.getClass(), CompletableFuture.class);
3338		}}
3339
3340		/**
3341	<	* whenComplete action executes on exceptional completion, propagating
2789	<	* source result.
3341	>	* completedStage returns a completed CompletionStage
3342		*/
3343	<	public void testWhenComplete_exceptionalCompletion() {
3344	<	for (ExecutionMode m : ExecutionMode.values())
3345	<	for (boolean createIncomplete : new boolean[] { true, false })
3343	>	public void testCompletedStage() {
3344	>	AtomicInteger x = new AtomicInteger(0);
3345	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3346	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3347	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3348	>	assertEquals(x.get(), 1);
3349	>	assertNull(r.get());
3350	>	}
3351	>
3352	>	/**
3353	>	* defaultExecutor by default returns the commonPool if
3354	>	* it supports more than one thread.
3355	>	*/
3356	>	public void testDefaultExecutor() {
3357	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3358	>	Executor e = f.defaultExecutor();
3359	>	Executor c = ForkJoinPool.commonPool();
3360	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3361	>	assertSame(e, c);
3362	>	else
3363	>	assertNotSame(e, c);
3364	>	}
3365	>
3366	>	/**
3367	>	* failedFuture returns a CompletableFuture completed
3368	>	* exceptionally with the given Exception
3369	>	*/
3370	>	public void testFailedFuture() {
3371	>	CFException ex = new CFException();
3372	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3373	>	checkCompletedExceptionally(f, ex);
3374	>	}
3375	>
3376	>	/**
3377	>	* failedFuture(null) throws NPE
3378	>	*/
3379	>	public void testFailedFuture_null() {
3380	>	try {
3381	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3382	>	shouldThrow();
3383	>	} catch (NullPointerException success) {}
3384	>	}
3385	>
3386	>	/**
3387	>	* copy returns a CompletableFuture that is completed normally,
3388	>	* with the same value, when source is.
3389	>	*/
3390	>	public void testCopy() {
3391	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3392	>	CompletableFuture<Integer> g = f.copy();
3393	>	checkIncomplete(f);
3394	>	checkIncomplete(g);
3395	>	f.complete(1);
3396	>	checkCompletedNormally(f, 1);
3397	>	checkCompletedNormally(g, 1);
3398	>	}
3399	>
3400	>	/**
3401	>	* copy returns a CompletableFuture that is completed exceptionally
3402	>	* when source is.
3403	>	*/
3404	>	public void testCopy2() {
3405	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3406	>	CompletableFuture<Integer> g = f.copy();
3407	>	checkIncomplete(f);
3408	>	checkIncomplete(g);
3409	>	CFException ex = new CFException();
3410	>	f.completeExceptionally(ex);
3411	>	checkCompletedExceptionally(f, ex);
3412	>	checkCompletedWithWrappedException(g, ex);
3413	>	}
3414	>
3415	>	/**
3416	>	* minimalCompletionStage returns a CompletableFuture that is
3417	>	* completed normally, with the same value, when source is.
3418	>	*/
3419	>	public void testMinimalCompletionStage() {
3420	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3421	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3422	>	AtomicInteger x = new AtomicInteger(0);
3423	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3424	>	checkIncomplete(f);
3425	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3426	>	f.complete(1);
3427	>	checkCompletedNormally(f, 1);
3428	>	assertEquals(x.get(), 1);
3429	>	assertNull(r.get());
3430	>	}
3431	>
3432	>	/**
3433	>	* minimalCompletionStage returns a CompletableFuture that is
3434	>	* completed exceptionally when source is.
3435	>	*/
3436	>	public void testMinimalCompletionStage2() {
3437	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3438	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3439	>	AtomicInteger x = new AtomicInteger(0);
3440	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3441	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3442	>	checkIncomplete(f);
3443	>	CFException ex = new CFException();
3444	>	f.completeExceptionally(ex);
3445	>	checkCompletedExceptionally(f, ex);
3446	>	assertEquals(x.get(), 0);
3447	>	assertEquals(r.get().getCause(), ex);
3448	>	}
3449	>
3450	>	/**
3451	>	* failedStage returns a CompletionStage completed
3452	>	* exceptionally with the given Exception
3453	>	*/
3454	>	public void testFailedStage() {
3455	>	CFException ex = new CFException();
3456	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3457	>	AtomicInteger x = new AtomicInteger(0);
3458	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3459	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3460	>	assertEquals(x.get(), 0);
3461	>	assertEquals(r.get(), ex);
3462	>	}
3463	>
3464	>	/**
3465	>	* completeAsync completes with value of given supplier
3466	>	*/
3467	>	public void testCompleteAsync() {
3468		for (Integer v1 : new Integer[] { 1, null })
3469		{
3470	<	final AtomicInteger a = new AtomicInteger(0);
3471	<	final CFException ex = new CFException();
3472	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3473	<	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());
3470	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3471	>	f.completeAsync(() -> v1);
3472	>	f.join();
3473	>	checkCompletedNormally(f, v1);
3474		}}
3475
3476		/**
3477	<	* whenComplete action executes on cancelled source, propagating
2815	<	* CancellationException.
3477	>	* completeAsync completes exceptionally if given supplier throws
3478		*/
3479	<	public void testWhenComplete_sourceCancelled() {
3480	<	for (ExecutionMode m : ExecutionMode.values())
3481	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3482	<	for (boolean createIncomplete : new boolean[] { true, false })
3479	>	public void testCompleteAsync2() {
3480	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3481	>	CFException ex = new CFException();
3482	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3483	>	try {
3484	>	f.join();
3485	>	shouldThrow();
3486	>	} catch (CompletionException success) {}
3487	>	checkCompletedWithWrappedException(f, ex);
3488	>	}
3489	>
3490	>	/**
3491	>	* completeAsync with given executor completes with value of given supplier
3492	>	*/
3493	>	public void testCompleteAsync3() {
3494	>	for (Integer v1 : new Integer[] { 1, null })
3495		{
3496	<	final AtomicInteger a = new AtomicInteger(0);
3497	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3498	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3499	<	final CompletableFuture<Integer> g = m.whenComplete
3500	<	(f,
3501	<	(Integer x, Throwable t) -> {
3502	<	threadAssertNull(x);
2829	<	threadAssertTrue(t instanceof CancellationException);
2830	<	a.getAndIncrement();
2831	<	});
2832	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3496	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3497	>	ThreadExecutor executor = new ThreadExecutor();
3498	>	f.completeAsync(() -> v1, executor);
3499	>	assertSame(v1, f.join());
3500	>	checkCompletedNormally(f, v1);
3501	>	assertEquals(1, executor.count.get());
3502	>	}}
3503
3504	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3505	<	checkCompletedWithWrappedCancellationException(g);
3506	<	checkCancelled(f);
3507	<	assertEquals(1, a.get());
3504	>	/**
3505	>	* completeAsync with given executor completes exceptionally if
3506	>	* given supplier throws
3507	>	*/
3508	>	public void testCompleteAsync4() {
3509	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3510	>	CFException ex = new CFException();
3511	>	ThreadExecutor executor = new ThreadExecutor();
3512	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3513	>	try {
3514	>	f.join();
3515	>	shouldThrow();
3516	>	} catch (CompletionException success) {}
3517	>	checkCompletedWithWrappedException(f, ex);
3518	>	assertEquals(1, executor.count.get());
3519	>	}
3520	>
3521	>	/**
3522	>	* orTimeout completes with TimeoutException if not complete
3523	>	*/
3524	>	public void testOrTimeout_timesOut() {
3525	>	long timeoutMillis = timeoutMillis();
3526	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3527	>	long startTime = System.nanoTime();
3528	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3529	>	checkCompletedWithTimeoutException(f);
3530	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3531	>	}
3532	>
3533	>	/**
3534	>	* orTimeout completes normally if completed before timeout
3535	>	*/
3536	>	public void testOrTimeout_completed() {
3537	>	for (Integer v1 : new Integer[] { 1, null })
3538	>	{
3539	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3540	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3541	>	long startTime = System.nanoTime();
3542	>	f.complete(v1);
3543	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3544	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3545	>	g.complete(v1);
3546	>	checkCompletedNormally(f, v1);
3547	>	checkCompletedNormally(g, v1);
3548	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3549		}}
3550
3551		/**
3552	<	* If a whenComplete action throws an exception when triggered by
2842	<	* a normal completion, it completes exceptionally
3552	>	* completeOnTimeout completes with given value if not complete
3553		*/
3554	<	public void testWhenComplete_actionFailed() {
3555	<	for (boolean createIncomplete : new boolean[] { true, false })
3556	<	for (ExecutionMode m : ExecutionMode.values())
3554	>	public void testCompleteOnTimeout_timesOut() {
3555	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3556	>	() -> testCompleteOnTimeout_timesOut(null));
3557	>	}
3558	>
3559	>	/**
3560	>	* completeOnTimeout completes with given value if not complete
3561	>	*/
3562	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3563	>	long timeoutMillis = timeoutMillis();
3564	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3565	>	long startTime = System.nanoTime();
3566	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3567	>	assertSame(v, f.join());
3568	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3569	>	f.complete(99);         // should have no effect
3570	>	checkCompletedNormally(f, v);
3571	>	}
3572	>
3573	>	/**
3574	>	* completeOnTimeout has no effect if completed within timeout
3575	>	*/
3576	>	public void testCompleteOnTimeout_completed() {
3577		for (Integer v1 : new Integer[] { 1, null })
3578		{
3579	<	final AtomicInteger a = new AtomicInteger(0);
3580	<	final CFException ex = new CFException();
3581	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3582	<	if (!createIncomplete) f.complete(v1);
3583	<	final CompletableFuture<Integer> g = m.whenComplete
3584	<	(f,
3585	<	(Integer x, Throwable t) -> {
2856	<	threadAssertSame(x, v1);
2857	<	threadAssertNull(t);
2858	<	a.getAndIncrement();
2859	<	throw ex;
2860	<	});
2861	<	if (createIncomplete) f.complete(v1);
3579	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3580	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3581	>	long startTime = System.nanoTime();
3582	>	f.complete(v1);
3583	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3584	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3585	>	g.complete(v1);
3586		checkCompletedNormally(f, v1);
3587	<	checkCompletedWithWrappedCFException(g, ex);
3588	<	assertEquals(1, a.get());
3587	>	checkCompletedNormally(g, v1);
3588	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3589		}}
3590
3591		/**
3592	<	* 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.
3592	>	* delayedExecutor returns an executor that delays submission
3593		*/
3594	<	public void testWhenComplete_actionFailedSourceFailed() {
3595	<	for (boolean createIncomplete : new boolean[] { true, false })
3594	>	public void testDelayedExecutor() {
3595	>	testInParallel(() -> testDelayedExecutor(null, null),
3596	>	() -> testDelayedExecutor(null, 1),
3597	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3598	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3599	>	}
3600	>
3601	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3602	>	long timeoutMillis = timeoutMillis();
3603	>	// Use an "unreasonably long" long timeout to catch lingering threads
3604	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3605	>	final Executor delayer, longDelayer;
3606	>	if (executor == null) {
3607	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3608	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3609	>	} else {
3610	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3611	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3612	>	}
3613	>	long startTime = System.nanoTime();
3614	>	CompletableFuture<Integer> f =
3615	>	CompletableFuture.supplyAsync(() -> v, delayer);
3616	>	CompletableFuture<Integer> g =
3617	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3618	>
3619	>	assertNull(g.getNow(null));
3620	>
3621	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3622	>	long millisElapsed = millisElapsedSince(startTime);
3623	>	assertTrue(millisElapsed >= timeoutMillis);
3624	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3625	>
3626	>	checkCompletedNormally(f, v);
3627	>
3628	>	checkIncomplete(g);
3629	>	assertTrue(g.cancel(true));
3630	>	}
3631	>
3632	>	//--- tests of implementation details; not part of official tck ---
3633	>
3634	>	Object resultOf(CompletableFuture<?> f) {
3635	>	SecurityManager sm = System.getSecurityManager();
3636	>	if (sm != null) {
3637	>	try {
3638	>	System.setSecurityManager(null);
3639	>	} catch (SecurityException giveUp) {
3640	>	return "Reflection not available";
3641	>	}
3642	>	}
3643	>
3644	>	try {
3645	>	java.lang.reflect.Field resultField
3646	>	= CompletableFuture.class.getDeclaredField("result");
3647	>	resultField.setAccessible(true);
3648	>	return resultField.get(f);
3649	>	} catch (Throwable t) {
3650	>	throw new AssertionError(t);
3651	>	} finally {
3652	>	if (sm != null) System.setSecurityManager(sm);
3653	>	}
3654	>	}
3655	>
3656	>	public void testExceptionPropagationReusesResultObject() {
3657	>	if (!testImplementationDetails) return;
3658		for (ExecutionMode m : ExecutionMode.values())
2875	–	for (Integer v1 : new Integer[] { 1, null })
3659		{
3660	<	final AtomicInteger a = new AtomicInteger(0);
3661	<	final CFException ex1 = new CFException();
3662	<	final CFException ex2 = new CFException();
2880	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3660	>	final CFException ex = new CFException();
3661	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3662	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3663
3664	<	if (!createIncomplete) f.completeExceptionally(ex1);
3665	<	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);
3664	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3665	>	= new ArrayList<>();
3666
3667	<	checkCompletedWithWrappedCFException(f, ex1);
3668	<	checkCompletedWithWrappedCFException(g, ex1);
3669	<	assertEquals(1, a.get());
3667	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3668	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3669	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3670	>
3671	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3672	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3673	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3674	>
3675	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3676	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3677	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3678	>
3679	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3680	>
3681	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3682	>
3683	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3684	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3685	>
3686	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3687	>	fun : funs) {
3688	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3689	>	f.completeExceptionally(ex);
3690	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3691	>	checkCompletedWithWrappedException(src, ex);
3692	>	CompletableFuture<?> dep = fun.apply(src);
3693	>	checkCompletedWithWrappedException(dep, ex);
3694	>	assertSame(resultOf(src), resultOf(dep));
3695	>	}
3696	>
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.completeExceptionally(ex);
3703	>	checkCompletedWithWrappedException(src, ex);
3704	>	checkCompletedWithWrappedException(dep, ex);
3705	>	assertSame(resultOf(src), resultOf(dep));
3706	>	}
3707	>
3708	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3709	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3710	>	fun : funs) {
3711	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3712	>	f.cancel(mayInterruptIfRunning);
3713	>	checkCancelled(f);
3714	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3715	>	checkCompletedWithWrappedCancellationException(src);
3716	>	CompletableFuture<?> dep = fun.apply(src);
3717	>	checkCompletedWithWrappedCancellationException(dep);
3718	>	assertSame(resultOf(src), resultOf(dep));
3719	>	}
3720	>
3721	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3722	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3723	>	fun : funs) {
3724	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3725	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3726	>	CompletableFuture<?> dep = fun.apply(src);
3727	>	f.cancel(mayInterruptIfRunning);
3728	>	checkCancelled(f);
3729	>	checkCompletedWithWrappedCancellationException(src);
3730	>	checkCompletedWithWrappedCancellationException(dep);
3731	>	assertSame(resultOf(src), resultOf(dep));
3732	>	}
3733		}}
3734
3735	+	/**
3736	+	* Minimal completion stages throw UOE for all non-CompletionStage methods
3737	+	*/
3738	+	public void testMinimalCompletionStage_minimality() {
3739	+	if (!testImplementationDetails) return;
3740	+	Function<Method, String> toSignature =
3741	+	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3742	+	Predicate<Method> isNotStatic =
3743	+	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3744	+	List<Method> minimalMethods =
3745	+	Stream.of(Object.class, CompletionStage.class)
3746	+	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3747	+	.filter(isNotStatic)
3748	+	.collect(Collectors.toList());
3749	+	// Methods from CompletableFuture permitted NOT to throw UOE
3750	+	String[] signatureWhitelist = {
3751	+	"newIncompleteFuture[]",
3752	+	"defaultExecutor[]",
3753	+	"minimalCompletionStage[]",
3754	+	"copy[]",
3755	+	};
3756	+	Set<String> permittedMethodSignatures =
3757	+	Stream.concat(minimalMethods.stream().map(toSignature),
3758	+	Stream.of(signatureWhitelist))
3759	+	.collect(Collectors.toSet());
3760	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3761	+	.filter(isNotStatic)
3762	+	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3763	+	.collect(Collectors.toList());
3764	+
3765	+	CompletionStage<Integer> minimalStage =
3766	+	new CompletableFuture<Integer>().minimalCompletionStage();
3767	+
3768	+	List<Method> bugs = new ArrayList<>();
3769	+	for (Method method : allMethods) {
3770	+	Class<?>[] parameterTypes = method.getParameterTypes();
3771	+	Object[] args = new Object[parameterTypes.length];
3772	+	// Manufacture boxed primitives for primitive params
3773	+	for (int i = 0; i < args.length; i++) {
3774	+	Class<?> type = parameterTypes[i];
3775	+	if (parameterTypes[i] == boolean.class)
3776	+	args[i] = false;
3777	+	else if (parameterTypes[i] == int.class)
3778	+	args[i] = 0;
3779	+	else if (parameterTypes[i] == long.class)
3780	+	args[i] = 0L;
3781	+	}
3782	+	try {
3783	+	method.invoke(minimalStage, args);
3784	+	bugs.add(method);
3785	+	}
3786	+	catch (java.lang.reflect.InvocationTargetException expected) {
3787	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3788	+	bugs.add(method);
3789	+	// expected.getCause().printStackTrace();
3790	+	}
3791	+	}
3792	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3793	+	}
3794	+	if (!bugs.isEmpty())
3795	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3796	+	}
3797	+
3798	+	static class Monad {
3799	+	static class ZeroException extends RuntimeException {
3800	+	public ZeroException() { super("monadic zero"); }
3801	+	}
3802	+	// "return", "unit"
3803	+	static <T> CompletableFuture<T> unit(T value) {
3804	+	return completedFuture(value);
3805	+	}
3806	+	// monadic zero ?
3807	+	static <T> CompletableFuture<T> zero() {
3808	+	return failedFuture(new ZeroException());
3809	+	}
3810	+	// >=>
3811	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3812	+	(Function<T, CompletableFuture<U>> f,
3813	+	Function<U, CompletableFuture<V>> g) {
3814	+	return (x) -> f.apply(x).thenCompose(g);
3815	+	}
3816	+
3817	+	static void assertZero(CompletableFuture<?> f) {
3818	+	try {
3819	+	f.getNow(null);
3820	+	throw new AssertionFailedError("should throw");
3821	+	} catch (CompletionException success) {
3822	+	assertTrue(success.getCause() instanceof ZeroException);
3823	+	}
3824	+	}
3825	+
3826	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3827	+	CompletableFuture<T> g) {
3828	+	T fval = null, gval = null;
3829	+	Throwable fex = null, gex = null;
3830	+
3831	+	try { fval = f.get(); }
3832	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3833	+	catch (Throwable ex) { fex = ex; }
3834	+
3835	+	try { gval = g.get(); }
3836	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3837	+	catch (Throwable ex) { gex = ex; }
3838	+
3839	+	if (fex != null || gex != null)
3840	+	assertSame(fex.getClass(), gex.getClass());
3841	+	else
3842	+	assertEquals(fval, gval);
3843	+	}
3844	+
3845	+	static class PlusFuture<T> extends CompletableFuture<T> {
3846	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3847	+	}
3848	+
3849	+	/** Implements "monadic plus". */
3850	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3851	+	CompletableFuture<? extends T> g) {
3852	+	PlusFuture<T> plus = new PlusFuture<T>();
3853	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3854	+	try {
3855	+	if (ex == null) {
3856	+	if (plus.complete(result))
3857	+	if (plus.firstFailure.get() != null)
3858	+	plus.firstFailure.set(null);
3859	+	}
3860	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
3861	+	if (plus.isDone())
3862	+	plus.firstFailure.set(null);
3863	+	}
3864	+	else {
3865	+	// first failure has precedence
3866	+	Throwable first = plus.firstFailure.getAndSet(null);
3867	+
3868	+	// may fail with "Self-suppression not permitted"
3869	+	try { first.addSuppressed(ex); }
3870	+	catch (Exception ignored) {}
3871	+
3872	+	plus.completeExceptionally(first);
3873	+	}
3874	+	} catch (Throwable unexpected) {
3875	+	plus.completeExceptionally(unexpected);
3876	+	}
3877	+	};
3878	+	f.whenComplete(action);
3879	+	g.whenComplete(action);
3880	+	return plus;
3881	+	}
3882	+	}
3883	+
3884	+	/**
3885	+	* CompletableFuture is an additive monad - sort of.
3886	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3887	+	*/
3888	+	public void testAdditiveMonad() throws Throwable {
3889	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3890	+	CompletableFuture<Long> zero = Monad.zero();
3891	+
3892	+	// Some mutually non-commutative functions
3893	+	Function<Long, CompletableFuture<Long>> triple
3894	+	= (x) -> Monad.unit(3 * x);
3895	+	Function<Long, CompletableFuture<Long>> inc
3896	+	= (x) -> Monad.unit(x + 1);
3897	+
3898	+	// unit is a right identity: m >>= unit === m
3899	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3900	+	inc.apply(5L));
3901	+	// unit is a left identity: (unit x) >>= f === f x
3902	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3903	+	inc.apply(5L));
3904	+
3905	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3906	+	Monad.assertFutureEquals(
3907	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3908	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3909	+
3910	+	// The case for CompletableFuture as an additive monad is weaker...
3911	+
3912	+	// zero is a monadic zero
3913	+	Monad.assertZero(zero);
3914	+
3915	+	// left zero: zero >>= f === zero
3916	+	Monad.assertZero(zero.thenCompose(inc));
3917	+	// right zero: f >>= (\x -> zero) === zero
3918	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3919	+
3920	+	// f plus zero === f
3921	+	Monad.assertFutureEquals(Monad.unit(5L),
3922	+	Monad.plus(Monad.unit(5L), zero));
3923	+	// zero plus f === f
3924	+	Monad.assertFutureEquals(Monad.unit(5L),
3925	+	Monad.plus(zero, Monad.unit(5L)));
3926	+	// zero plus zero === zero
3927	+	Monad.assertZero(Monad.plus(zero, zero));
3928	+	{
3929	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3930	+	Monad.unit(8L));
3931	+	// non-determinism
3932	+	assertTrue(f.get() == 5L || f.get() == 8L);
3933	+	}
3934	+
3935	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3936	+	// f plus godot === f (doesn't wait for godot)
3937	+	Monad.assertFutureEquals(Monad.unit(5L),
3938	+	Monad.plus(Monad.unit(5L), godot));
3939	+	// godot plus f === f (doesn't wait for godot)
3940	+	Monad.assertFutureEquals(Monad.unit(5L),
3941	+	Monad.plus(godot, Monad.unit(5L)));
3942	+	}
3943	+
3944	+	/**
3945	+	* A single CompletableFuture with many dependents.
3946	+	* A demo of scalability - runtime is O(n).
3947	+	*/
3948	+	public void testManyDependents() throws Throwable {
3949	+	final int n = 1_000;
3950	+	final CompletableFuture<Void> head = new CompletableFuture<>();
3951	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
3952	+	final AtomicInteger count = new AtomicInteger(0);
3953	+	for (int i = 0; i < n; i++) {
3954	+	head.thenRun(() -> count.getAndIncrement());
3955	+	head.thenAccept((x) -> count.getAndIncrement());
3956	+	head.thenApply((x) -> count.getAndIncrement());
3957	+
3958	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
3959	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
3960	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
3961	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
3962	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
3963	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
3964	+
3965	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
3966	+	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3967	+	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3968	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
3969	+	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
3970	+	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
3971	+	}
3972	+	head.complete(null);
3973	+	assertEquals(5 * 3 * n, count.get());
3974	+	}
3975	+
3976	+	//     static <U> U join(CompletionStage<U> stage) {
3977	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3978	+	//         stage.whenComplete((v, ex) -> {
3979	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3980	+	//         });
3981	+	//         return f.join();
3982	+	//     }
3983	+
3984	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3985	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3986	+	//         stage.whenComplete((v, ex) -> {
3987	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3988	+	//         });
3989	+	//         return f.isDone();
3990	+	//     }
3991	+
3992	+	//     static <U> U join2(CompletionStage<U> stage) {
3993	+	//         return stage.toCompletableFuture().copy().join();
3994	+	//     }
3995	+
3996	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3997	+	//         return stage.toCompletableFuture().copy().isDone();
3998	+	//     }
3999	+
4000		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines