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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.70 by jsr166, Fri Jun 6 19:48:38 2014 UTC vs.
Revision 1.185 by jsr166, Mon May 29 19:15:02 2017 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.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
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); }
66		try {
67	<	f.get(0L, SECONDS);
67	>	f.get(randomExpiredTimeout(), randomTimeUnit());
68		shouldThrow();
69		}
70		catch (TimeoutException success) {}
#	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());
65	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
66	–	try {
79		assertEquals(value, f.getNow(null));
68	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
69	–	try {
80		assertEquals(value, f.get());
81		} catch (Throwable fail) { threadUnexpectedException(fail); }
82		assertTrue(f.isDone());
#	Line 75 | Line 85 | public class CompletableFutureTest exten
85		assertTrue(f.toString().contains("[Completed normally]"));
86		}
87
88	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
89	<	try {
90	<	f.get(LONG_DELAY_MS, MILLISECONDS);
91	<	shouldThrow();
92	<	} catch (ExecutionException success) {
93	<	assertTrue(success.getCause() instanceof CFException);
94	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
95	<	try {
96	<	f.join();
97	<	shouldThrow();
98	<	} catch (CompletionException success) {
99	<	assertTrue(success.getCause() instanceof CFException);
100	<	}
101	<	try {
102	<	f.getNow(null);
103	<	shouldThrow();
104	<	} catch (CompletionException success) {
95	<	assertTrue(success.getCause() instanceof CFException);
88	>	/**
89	>	* Returns the "raw" internal exceptional completion of f,
90	>	* without any additional wrapping with CompletionException.
91	>	*/
92	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
93	>	// handle (and whenComplete and exceptionally) can distinguish
94	>	// between "direct" and "wrapped" exceptional completion
95	>	return f.handle((u, t) -> t).join();
96	>	}
97	>
98	>	void checkCompletedExceptionally(CompletableFuture<?> f,
99	>	boolean wrapped,
100	>	Consumer<Throwable> checker) {
101	>	Throwable cause = exceptionalCompletion(f);
102	>	if (wrapped) {
103	>	assertTrue(cause instanceof CompletionException);
104	>	cause = cause.getCause();
105		}
106	<	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	<	}
106	>	checker.accept(cause);
107
108	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
109	<	CFException ex) {
108	>	long startTime = System.nanoTime();
109		try {
110		f.get(LONG_DELAY_MS, MILLISECONDS);
111		shouldThrow();
112		} catch (ExecutionException success) {
113	<	assertSame(ex, success.getCause());
113	>	assertSame(cause, success.getCause());
114		} catch (Throwable fail) { threadUnexpectedException(fail); }
115	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
116	+
117		try {
118		f.join();
119		shouldThrow();
120		} catch (CompletionException success) {
121	<	assertSame(ex, success.getCause());
122	<	}
121	>	assertSame(cause, success.getCause());
122	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
123	>
124		try {
125		f.getNow(null);
126		shouldThrow();
127		} catch (CompletionException success) {
128	<	assertSame(ex, success.getCause());
129	<	}
128	>	assertSame(cause, success.getCause());
129	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
130	>
131		try {
132		f.get();
133		shouldThrow();
134		} catch (ExecutionException success) {
135	<	assertSame(ex, success.getCause());
135	>	assertSame(cause, success.getCause());
136		} catch (Throwable fail) { threadUnexpectedException(fail); }
137	<	assertTrue(f.isDone());
137	>
138		assertFalse(f.isCancelled());
139	+	assertTrue(f.isDone());
140	+	assertTrue(f.isCompletedExceptionally());
141		assertTrue(f.toString().contains("[Completed exceptionally]"));
142		}
143
144	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
145	+	checkCompletedExceptionally(f, true,
146	+	t -> assertTrue(t instanceof CFException));
147	+	}
148	+
149	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
150	+	checkCompletedExceptionally(f, true,
151	+	t -> assertTrue(t instanceof CancellationException));
152	+	}
153	+
154	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
155	+	checkCompletedExceptionally(f, false,
156	+	t -> assertTrue(t instanceof TimeoutException));
157	+	}
158	+
159	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
160	+	Throwable ex) {
161	+	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
162	+	}
163	+
164	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
165	+	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
166	+	}
167	+
168		void checkCancelled(CompletableFuture<?> f) {
169	+	long startTime = System.nanoTime();
170		try {
171		f.get(LONG_DELAY_MS, MILLISECONDS);
172		shouldThrow();
173		} catch (CancellationException success) {
174		} catch (Throwable fail) { threadUnexpectedException(fail); }
175	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
176	+
177		try {
178		f.join();
179		shouldThrow();
#	Line 155 | Line 187 | public class CompletableFutureTest exten
187		shouldThrow();
188		} catch (CancellationException success) {
189		} 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	–	}
190
191	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
192	<	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); }
191	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
192	>
193		assertTrue(f.isDone());
190	–	assertFalse(f.isCancelled());
194		assertTrue(f.isCompletedExceptionally());
195	+	assertTrue(f.isCancelled());
196		assertTrue(f.toString().contains("[Completed exceptionally]"));
197		}
198
#	Line 206 | Line 210 | public class CompletableFutureTest exten
210		* isCancelled, join, get, and getNow
211		*/
212		public void testComplete() {
213	+	for (Integer v1 : new Integer[] { 1, null })
214	+	{
215		CompletableFuture<Integer> f = new CompletableFuture<>();
216		checkIncomplete(f);
217	<	f.complete(one);
218	<	checkCompletedNormally(f, one);
219	<	}
217	>	assertTrue(f.complete(v1));
218	>	assertFalse(f.complete(v1));
219	>	checkCompletedNormally(f, v1);
220	>	}}
221
222		/**
223		* completeExceptionally completes exceptionally, as indicated by
#	Line 218 | Line 225 | public class CompletableFutureTest exten
225		*/
226		public void testCompleteExceptionally() {
227		CompletableFuture<Integer> f = new CompletableFuture<>();
228	+	CFException ex = new CFException();
229		checkIncomplete(f);
230	<	f.completeExceptionally(new CFException());
231	<	checkCompletedWithWrappedCFException(f);
230	>	f.completeExceptionally(ex);
231	>	checkCompletedExceptionally(f, ex);
232		}
233
234		/**
#	Line 228 | Line 236 | public class CompletableFutureTest exten
236		* methods isDone, isCancelled, join, get, and getNow
237		*/
238		public void testCancel() {
239	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
240	+	{
241		CompletableFuture<Integer> f = new CompletableFuture<>();
242		checkIncomplete(f);
243	<	assertTrue(f.cancel(true));
243	>	assertTrue(f.cancel(mayInterruptIfRunning));
244	>	assertTrue(f.cancel(mayInterruptIfRunning));
245	>	assertTrue(f.cancel(!mayInterruptIfRunning));
246		checkCancelled(f);
247	<	}
247	>	}}
248
249		/**
250		* obtrudeValue forces completion with given value
#	Line 240 | Line 252 | public class CompletableFutureTest exten
252		public void testObtrudeValue() {
253		CompletableFuture<Integer> f = new CompletableFuture<>();
254		checkIncomplete(f);
255	<	f.complete(one);
255	>	assertTrue(f.complete(one));
256		checkCompletedNormally(f, one);
257		f.obtrudeValue(three);
258		checkCompletedNormally(f, three);
#	Line 261 | Line 273 | public class CompletableFutureTest exten
273		* obtrudeException forces completion with given exception
274		*/
275		public void testObtrudeException() {
276	<	CompletableFuture<Integer> f = new CompletableFuture<>();
277	<	checkIncomplete(f);
278	<	f.complete(one);
279	<	checkCompletedNormally(f, one);
280	<	f.obtrudeException(new CFException());
281	<	checkCompletedWithWrappedCFException(f);
276	>	for (Integer v1 : new Integer[] { 1, null })
277	>	{
278	>	CFException ex;
279	>	CompletableFuture<Integer> f;
280	>
281	>	f = new CompletableFuture<>();
282	>	assertTrue(f.complete(v1));
283	>	for (int i = 0; i < 2; i++) {
284	>	f.obtrudeException(ex = new CFException());
285	>	checkCompletedExceptionally(f, ex);
286	>	}
287	>
288		f = new CompletableFuture<>();
289	<	f.obtrudeException(new CFException());
290	<	checkCompletedWithWrappedCFException(f);
289	>	for (int i = 0; i < 2; i++) {
290	>	f.obtrudeException(ex = new CFException());
291	>	checkCompletedExceptionally(f, ex);
292	>	}
293	>
294		f = new CompletableFuture<>();
295	+	f.completeExceptionally(ex = new CFException());
296	+	f.obtrudeValue(v1);
297	+	checkCompletedNormally(f, v1);
298	+	f.obtrudeException(ex = new CFException());
299	+	checkCompletedExceptionally(f, ex);
300		f.completeExceptionally(new CFException());
301	<	f.obtrudeValue(four);
302	<	checkCompletedNormally(f, four);
303	<	f.obtrudeException(new CFException());
304	<	checkCompletedWithWrappedCFException(f);
279	<	}
301	>	checkCompletedExceptionally(f, ex);
302	>	assertFalse(f.complete(v1));
303	>	checkCompletedExceptionally(f, ex);
304	>	}}
305
306		/**
307		* getNumberOfDependents returns number of dependent tasks
308		*/
309		public void testGetNumberOfDependents() {
310	+	for (ExecutionMode m : ExecutionMode.values())
311	+	for (Integer v1 : new Integer[] { 1, null })
312	+	{
313		CompletableFuture<Integer> f = new CompletableFuture<>();
314		assertEquals(0, f.getNumberOfDependents());
315	<	CompletableFuture g = f.thenRun(new Noop(ExecutionMode.DEFAULT));
315	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
316		assertEquals(1, f.getNumberOfDependents());
317		assertEquals(0, g.getNumberOfDependents());
318	<	CompletableFuture h = f.thenRun(new Noop(ExecutionMode.DEFAULT));
318	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
319		assertEquals(2, f.getNumberOfDependents());
320	<	f.complete(1);
320	>	assertEquals(0, h.getNumberOfDependents());
321	>	assertTrue(f.complete(v1));
322		checkCompletedNormally(g, null);
323	+	checkCompletedNormally(h, null);
324		assertEquals(0, f.getNumberOfDependents());
325		assertEquals(0, g.getNumberOfDependents());
326	<	}
326	>	assertEquals(0, h.getNumberOfDependents());
327	>	}}
328
329		/**
330		* toString indicates current completion state
#	Line 304 | Line 335 | public class CompletableFutureTest exten
335		f = new CompletableFuture<String>();
336		assertTrue(f.toString().contains("[Not completed]"));
337
338	<	f.complete("foo");
338	>	assertTrue(f.complete("foo"));
339		assertTrue(f.toString().contains("[Completed normally]"));
340
341		f = new CompletableFuture<String>();
342	<	f.completeExceptionally(new IndexOutOfBoundsException());
342	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
343		assertTrue(f.toString().contains("[Completed exceptionally]"));
344	+
345	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
346	+	f = new CompletableFuture<String>();
347	+	assertTrue(f.cancel(mayInterruptIfRunning));
348	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
349	+	}
350		}
351
352		/**
#	Line 320 | Line 357 | public class CompletableFutureTest exten
357		checkCompletedNormally(f, "test");
358		}
359
360	<	abstract class CheckedAction {
360	>	abstract static class CheckedAction {
361		int invocationCount = 0;
362		final ExecutionMode m;
363		CheckedAction(ExecutionMode m) { this.m = m; }
#	Line 332 | Line 369 | public class CompletableFutureTest exten
369		void assertInvoked() { assertEquals(1, invocationCount); }
370		}
371
372	<	abstract class CheckedIntegerAction extends CheckedAction {
372	>	abstract static class CheckedIntegerAction extends CheckedAction {
373		Integer value;
374		CheckedIntegerAction(ExecutionMode m) { super(m); }
375		void assertValue(Integer expected) {
#	Line 341 | Line 378 | public class CompletableFutureTest exten
378		}
379		}
380
381	<	class IntegerSupplier extends CheckedAction
381	>	static class IntegerSupplier extends CheckedAction
382		implements Supplier<Integer>
383		{
384		final Integer value;
#	Line 360 | Line 397 | public class CompletableFutureTest exten
397		return (x == null) ? null : x + 1;
398		}
399
400	<	class NoopConsumer extends CheckedIntegerAction
400	>	static class NoopConsumer extends CheckedIntegerAction
401		implements Consumer<Integer>
402		{
403		NoopConsumer(ExecutionMode m) { super(m); }
#	Line 370 | Line 407 | public class CompletableFutureTest exten
407		}
408		}
409
410	<	class IncFunction extends CheckedIntegerAction
410	>	static class IncFunction extends CheckedIntegerAction
411		implements Function<Integer,Integer>
412		{
413		IncFunction(ExecutionMode m) { super(m); }
#	Line 388 | Line 425 | public class CompletableFutureTest exten
425		- ((y == null) ? 99 : y.intValue());
426		}
427
428	<	class SubtractAction extends CheckedIntegerAction
428	>	static class SubtractAction extends CheckedIntegerAction
429		implements BiConsumer<Integer, Integer>
430		{
431		SubtractAction(ExecutionMode m) { super(m); }
#	Line 398 | Line 435 | public class CompletableFutureTest exten
435		}
436		}
437
438	<	class SubtractFunction extends CheckedIntegerAction
438	>	static class SubtractFunction extends CheckedIntegerAction
439		implements BiFunction<Integer, Integer, Integer>
440		{
441		SubtractFunction(ExecutionMode m) { super(m); }
#	Line 408 | Line 445 | public class CompletableFutureTest exten
445		}
446		}
447
448	<	class Noop extends CheckedAction implements Runnable {
448	>	static class Noop extends CheckedAction implements Runnable {
449		Noop(ExecutionMode m) { super(m); }
450		public void run() {
451		invoked();
452		}
453		}
454
455	<	class FailingSupplier extends CheckedAction
455	>	static class FailingSupplier extends CheckedAction
456		implements Supplier<Integer>
457		{
458	<	FailingSupplier(ExecutionMode m) { super(m); }
458	>	final CFException ex;
459	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
460		public Integer get() {
461		invoked();
462	<	throw new CFException();
462	>	throw ex;
463		}
464		}
465
466	<	class FailingConsumer extends CheckedIntegerAction
466	>	static class FailingConsumer extends CheckedIntegerAction
467		implements Consumer<Integer>
468		{
469	<	FailingConsumer(ExecutionMode m) { super(m); }
469	>	final CFException ex;
470	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
471		public void accept(Integer x) {
472		invoked();
473		value = x;
474	<	throw new CFException();
474	>	throw ex;
475		}
476		}
477
478	<	class FailingBiConsumer extends CheckedIntegerAction
478	>	static class FailingBiConsumer extends CheckedIntegerAction
479		implements BiConsumer<Integer, Integer>
480		{
481	<	FailingBiConsumer(ExecutionMode m) { super(m); }
481	>	final CFException ex;
482	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
483		public void accept(Integer x, Integer y) {
484		invoked();
485		value = subtract(x, y);
486	<	throw new CFException();
486	>	throw ex;
487		}
488		}
489
490	<	class FailingFunction extends CheckedIntegerAction
490	>	static class FailingFunction extends CheckedIntegerAction
491		implements Function<Integer, Integer>
492		{
493	<	FailingFunction(ExecutionMode m) { super(m); }
493	>	final CFException ex;
494	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
495		public Integer apply(Integer x) {
496		invoked();
497		value = x;
498	<	throw new CFException();
498	>	throw ex;
499		}
500		}
501
502	<	class FailingBiFunction extends CheckedIntegerAction
502	>	static class FailingBiFunction extends CheckedIntegerAction
503		implements BiFunction<Integer, Integer, Integer>
504		{
505	<	FailingBiFunction(ExecutionMode m) { super(m); }
505	>	final CFException ex;
506	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
507		public Integer apply(Integer x, Integer y) {
508		invoked();
509		value = subtract(x, y);
510	<	throw new CFException();
510	>	throw ex;
511		}
512		}
513
514	<	class FailingRunnable extends CheckedAction implements Runnable {
515	<	FailingRunnable(ExecutionMode m) { super(m); }
514	>	static class FailingRunnable extends CheckedAction implements Runnable {
515	>	final CFException ex;
516	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
517		public void run() {
518		invoked();
519	<	throw new CFException();
519	>	throw ex;
520		}
521		}
522
523	<
481	<	class CompletableFutureInc extends CheckedIntegerAction
523	>	static class CompletableFutureInc extends CheckedIntegerAction
524		implements Function<Integer, CompletableFuture<Integer>>
525		{
526		CompletableFutureInc(ExecutionMode m) { super(m); }
#	Line 486 | Line 528 | public class CompletableFutureTest exten
528		invoked();
529		value = x;
530		CompletableFuture<Integer> f = new CompletableFuture<>();
531	<	f.complete(inc(x));
531	>	assertTrue(f.complete(inc(x)));
532		return f;
533		}
534		}
535
536	<	class FailingCompletableFutureFunction extends CheckedIntegerAction
536	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
537		implements Function<Integer, CompletableFuture<Integer>>
538		{
539	<	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
539	>	final CFException ex;
540	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
541		public CompletableFuture<Integer> apply(Integer x) {
542		invoked();
543		value = x;
544	<	throw new CFException();
544	>	throw ex;
545	>	}
546	>	}
547	>
548	>	static class CountingRejectingExecutor implements Executor {
549	>	final RejectedExecutionException ex = new RejectedExecutionException();
550	>	final AtomicInteger count = new AtomicInteger(0);
551	>	public void execute(Runnable r) {
552	>	count.getAndIncrement();
553	>	throw ex;
554		}
555		}
556
#	Line 516 | Line 568 | public class CompletableFutureTest exten
568		}
569		}
570
571	+	static final boolean defaultExecutorIsCommonPool
572	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
573	+
574		/**
575		* Permits the testing of parallel code for the 3 different
576		* execution modes without copy/pasting all the test methods.
577		*/
578		enum ExecutionMode {
579	<	DEFAULT {
579	>	SYNC {
580		public void checkExecutionMode() {
581		assertFalse(ThreadExecutor.startedCurrentThread());
582		assertNull(ForkJoinTask.getPool());
#	Line 597 | Line 652 | public class CompletableFutureTest exten
652
653		ASYNC {
654		public void checkExecutionMode() {
655	<	assertSame(ForkJoinPool.commonPool(),
656	<	ForkJoinTask.getPool());
655	>	assertEquals(defaultExecutorIsCommonPool,
656	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
657		}
658		public CompletableFuture<Void> runAsync(Runnable a) {
659		return CompletableFuture.runAsync(a);
#	Line 794 | Line 849 | public class CompletableFutureTest exten
849		{
850		final AtomicInteger a = new AtomicInteger(0);
851		final CompletableFuture<Integer> f = new CompletableFuture<>();
852	<	if (!createIncomplete) f.complete(v1);
852	>	if (!createIncomplete) assertTrue(f.complete(v1));
853		final CompletableFuture<Integer> g = f.exceptionally
854		((Throwable t) -> {
800	–	// Should not be called
855		a.getAndIncrement();
856	<	throw new AssertionError();
856	>	threadFail("should not be called");
857	>	return null;            // unreached
858		});
859	<	if (createIncomplete) f.complete(v1);
859	>	if (createIncomplete) assertTrue(f.complete(v1));
860
861		checkCompletedNormally(g, v1);
862		checkCompletedNormally(f, v1);
863		assertEquals(0, a.get());
864		}}
865
811	–
866		/**
867		* exceptionally action completes with function value on source
868		* exception
#	Line 823 | Line 877 | public class CompletableFutureTest exten
877		if (!createIncomplete) f.completeExceptionally(ex);
878		final CompletableFuture<Integer> g = f.exceptionally
879		((Throwable t) -> {
880	<	ExecutionMode.DEFAULT.checkExecutionMode();
880	>	ExecutionMode.SYNC.checkExecutionMode();
881		threadAssertSame(t, ex);
882		a.getAndIncrement();
883		return v1;
#	Line 834 | Line 888 | public class CompletableFutureTest exten
888		assertEquals(1, a.get());
889		}}
890
891	+	/**
892	+	* If an "exceptionally action" throws an exception, it completes
893	+	* exceptionally with that exception
894	+	*/
895		public void testExceptionally_exceptionalCompletionActionFailed() {
896		for (boolean createIncomplete : new boolean[] { true, false })
839	–	for (Integer v1 : new Integer[] { 1, null })
897		{
898		final AtomicInteger a = new AtomicInteger(0);
899		final CFException ex1 = new CFException();
#	Line 845 | Line 902 | public class CompletableFutureTest exten
902		if (!createIncomplete) f.completeExceptionally(ex1);
903		final CompletableFuture<Integer> g = f.exceptionally
904		((Throwable t) -> {
905	<	ExecutionMode.DEFAULT.checkExecutionMode();
905	>	ExecutionMode.SYNC.checkExecutionMode();
906		threadAssertSame(t, ex1);
907		a.getAndIncrement();
908		throw ex2;
909		});
910		if (createIncomplete) f.completeExceptionally(ex1);
911
912	<	checkCompletedWithWrappedCFException(g, ex2);
912	>	checkCompletedWithWrappedException(g, ex2);
913	>	checkCompletedExceptionally(f, ex1);
914	>	assertEquals(1, a.get());
915	>	}}
916	>
917	>	/**
918	>	* whenComplete action executes on normal completion, propagating
919	>	* source result.
920	>	*/
921	>	public void testWhenComplete_normalCompletion() {
922	>	for (ExecutionMode m : ExecutionMode.values())
923	>	for (boolean createIncomplete : new boolean[] { true, false })
924	>	for (Integer v1 : new Integer[] { 1, null })
925	>	{
926	>	final AtomicInteger a = new AtomicInteger(0);
927	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
928	>	if (!createIncomplete) assertTrue(f.complete(v1));
929	>	final CompletableFuture<Integer> g = m.whenComplete
930	>	(f,
931	>	(Integer result, Throwable t) -> {
932	>	m.checkExecutionMode();
933	>	threadAssertSame(result, v1);
934	>	threadAssertNull(t);
935	>	a.getAndIncrement();
936	>	});
937	>	if (createIncomplete) assertTrue(f.complete(v1));
938	>
939	>	checkCompletedNormally(g, v1);
940	>	checkCompletedNormally(f, v1);
941	>	assertEquals(1, a.get());
942	>	}}
943	>
944	>	/**
945	>	* whenComplete action executes on exceptional completion, propagating
946	>	* source result.
947	>	*/
948	>	public void testWhenComplete_exceptionalCompletion() {
949	>	for (ExecutionMode m : ExecutionMode.values())
950	>	for (boolean createIncomplete : new boolean[] { true, false })
951	>	{
952	>	final AtomicInteger a = new AtomicInteger(0);
953	>	final CFException ex = new CFException();
954	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
955	>	if (!createIncomplete) f.completeExceptionally(ex);
956	>	final CompletableFuture<Integer> g = m.whenComplete
957	>	(f,
958	>	(Integer result, Throwable t) -> {
959	>	m.checkExecutionMode();
960	>	threadAssertNull(result);
961	>	threadAssertSame(t, ex);
962	>	a.getAndIncrement();
963	>	});
964	>	if (createIncomplete) f.completeExceptionally(ex);
965	>
966	>	checkCompletedWithWrappedException(g, ex);
967	>	checkCompletedExceptionally(f, ex);
968	>	assertEquals(1, a.get());
969	>	}}
970	>
971	>	/**
972	>	* whenComplete action executes on cancelled source, propagating
973	>	* CancellationException.
974	>	*/
975	>	public void testWhenComplete_sourceCancelled() {
976	>	for (ExecutionMode m : ExecutionMode.values())
977	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
978	>	for (boolean createIncomplete : new boolean[] { true, false })
979	>	{
980	>	final AtomicInteger a = new AtomicInteger(0);
981	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
982	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
983	>	final CompletableFuture<Integer> g = m.whenComplete
984	>	(f,
985	>	(Integer result, Throwable t) -> {
986	>	m.checkExecutionMode();
987	>	threadAssertNull(result);
988	>	threadAssertTrue(t instanceof CancellationException);
989	>	a.getAndIncrement();
990	>	});
991	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
992	>
993	>	checkCompletedWithWrappedCancellationException(g);
994	>	checkCancelled(f);
995	>	assertEquals(1, a.get());
996	>	}}
997	>
998	>	/**
999	>	* If a whenComplete action throws an exception when triggered by
1000	>	* a normal completion, it completes exceptionally
1001	>	*/
1002	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1003	>	for (boolean createIncomplete : new boolean[] { true, false })
1004	>	for (ExecutionMode m : ExecutionMode.values())
1005	>	for (Integer v1 : new Integer[] { 1, null })
1006	>	{
1007	>	final AtomicInteger a = new AtomicInteger(0);
1008	>	final CFException ex = new CFException();
1009	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1010	>	if (!createIncomplete) assertTrue(f.complete(v1));
1011	>	final CompletableFuture<Integer> g = m.whenComplete
1012	>	(f,
1013	>	(Integer result, Throwable t) -> {
1014	>	m.checkExecutionMode();
1015	>	threadAssertSame(result, v1);
1016	>	threadAssertNull(t);
1017	>	a.getAndIncrement();
1018	>	throw ex;
1019	>	});
1020	>	if (createIncomplete) assertTrue(f.complete(v1));
1021	>
1022	>	checkCompletedWithWrappedException(g, ex);
1023	>	checkCompletedNormally(f, v1);
1024	>	assertEquals(1, a.get());
1025	>	}}
1026	>
1027	>	/**
1028	>	* If a whenComplete action throws an exception when triggered by
1029	>	* a source completion that also throws an exception, the source
1030	>	* exception takes precedence (unlike handle)
1031	>	*/
1032	>	public void testWhenComplete_sourceFailedActionFailed() {
1033	>	for (boolean createIncomplete : new boolean[] { true, false })
1034	>	for (ExecutionMode m : ExecutionMode.values())
1035	>	{
1036	>	final AtomicInteger a = new AtomicInteger(0);
1037	>	final CFException ex1 = new CFException();
1038	>	final CFException ex2 = new CFException();
1039	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1040	>
1041	>	if (!createIncomplete) f.completeExceptionally(ex1);
1042	>	final CompletableFuture<Integer> g = m.whenComplete
1043	>	(f,
1044	>	(Integer result, Throwable t) -> {
1045	>	m.checkExecutionMode();
1046	>	threadAssertSame(t, ex1);
1047	>	threadAssertNull(result);
1048	>	a.getAndIncrement();
1049	>	throw ex2;
1050	>	});
1051	>	if (createIncomplete) f.completeExceptionally(ex1);
1052	>
1053	>	checkCompletedWithWrappedException(g, ex1);
1054	>	checkCompletedExceptionally(f, ex1);
1055	>	if (testImplementationDetails) {
1056	>	assertEquals(1, ex1.getSuppressed().length);
1057	>	assertSame(ex2, ex1.getSuppressed()[0]);
1058	>	}
1059		assertEquals(1, a.get());
1060		}}
1061
#	Line 867 | Line 1070 | public class CompletableFutureTest exten
1070		{
1071		final CompletableFuture<Integer> f = new CompletableFuture<>();
1072		final AtomicInteger a = new AtomicInteger(0);
1073	<	if (!createIncomplete) f.complete(v1);
1073	>	if (!createIncomplete) assertTrue(f.complete(v1));
1074		final CompletableFuture<Integer> g = m.handle
1075		(f,
1076	<	(Integer x, Throwable t) -> {
1076	>	(Integer result, Throwable t) -> {
1077		m.checkExecutionMode();
1078	<	threadAssertSame(x, v1);
1078	>	threadAssertSame(result, v1);
1079		threadAssertNull(t);
1080		a.getAndIncrement();
1081		return inc(v1);
1082		});
1083	<	if (createIncomplete) f.complete(v1);
1083	>	if (createIncomplete) assertTrue(f.complete(v1));
1084
1085		checkCompletedNormally(g, inc(v1));
1086		checkCompletedNormally(f, v1);
#	Line 899 | Line 1102 | public class CompletableFutureTest exten
1102		if (!createIncomplete) f.completeExceptionally(ex);
1103		final CompletableFuture<Integer> g = m.handle
1104		(f,
1105	<	(Integer x, Throwable t) -> {
1105	>	(Integer result, Throwable t) -> {
1106		m.checkExecutionMode();
1107	<	threadAssertNull(x);
1107	>	threadAssertNull(result);
1108		threadAssertSame(t, ex);
1109		a.getAndIncrement();
1110		return v1;
#	Line 909 | Line 1112 | public class CompletableFutureTest exten
1112		if (createIncomplete) f.completeExceptionally(ex);
1113
1114		checkCompletedNormally(g, v1);
1115	<	checkCompletedWithWrappedCFException(f, ex);
1115	>	checkCompletedExceptionally(f, ex);
1116		assertEquals(1, a.get());
1117		}}
1118
#	Line 928 | Line 1131 | public class CompletableFutureTest exten
1131		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1132		final CompletableFuture<Integer> g = m.handle
1133		(f,
1134	<	(Integer x, Throwable t) -> {
1134	>	(Integer result, Throwable t) -> {
1135		m.checkExecutionMode();
1136	<	threadAssertNull(x);
1136	>	threadAssertNull(result);
1137		threadAssertTrue(t instanceof CancellationException);
1138		a.getAndIncrement();
1139		return v1;
#	Line 943 | Line 1146 | public class CompletableFutureTest exten
1146		}}
1147
1148		/**
1149	<	* handle result completes exceptionally if action does
1149	>	* If a "handle action" throws an exception when triggered by
1150	>	* a normal completion, it completes exceptionally
1151		*/
1152	<	public void testHandle_sourceFailedActionFailed() {
1152	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1153		for (ExecutionMode m : ExecutionMode.values())
1154		for (boolean createIncomplete : new boolean[] { true, false })
1155	+	for (Integer v1 : new Integer[] { 1, null })
1156		{
1157		final CompletableFuture<Integer> f = new CompletableFuture<>();
1158		final AtomicInteger a = new AtomicInteger(0);
1159	<	final CFException ex1 = new CFException();
1160	<	final CFException ex2 = new CFException();
956	<	if (!createIncomplete) f.completeExceptionally(ex1);
1159	>	final CFException ex = new CFException();
1160	>	if (!createIncomplete) assertTrue(f.complete(v1));
1161		final CompletableFuture<Integer> g = m.handle
1162		(f,
1163	<	(Integer x, Throwable t) -> {
1163	>	(Integer result, Throwable t) -> {
1164		m.checkExecutionMode();
1165	<	threadAssertNull(x);
1166	<	threadAssertSame(ex1, t);
1165	>	threadAssertSame(result, v1);
1166	>	threadAssertNull(t);
1167		a.getAndIncrement();
1168	<	throw ex2;
1168	>	throw ex;
1169		});
1170	<	if (createIncomplete) f.completeExceptionally(ex1);
1170	>	if (createIncomplete) assertTrue(f.complete(v1));
1171
1172	<	checkCompletedWithWrappedCFException(g, ex2);
1173	<	checkCompletedWithWrappedCFException(f, ex1);
1172	>	checkCompletedWithWrappedException(g, ex);
1173	>	checkCompletedNormally(f, v1);
1174		assertEquals(1, a.get());
1175		}}
1176
1177	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1178	<	for (ExecutionMode m : ExecutionMode.values())
1177	>	/**
1178	>	* If a "handle action" throws an exception when triggered by
1179	>	* a source completion that also throws an exception, the action
1180	>	* exception takes precedence (unlike whenComplete)
1181	>	*/
1182	>	public void testHandle_sourceFailedActionFailed() {
1183		for (boolean createIncomplete : new boolean[] { true, false })
1184	<	for (Integer v1 : new Integer[] { 1, null })
1184	>	for (ExecutionMode m : ExecutionMode.values())
1185		{
978	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1186		final AtomicInteger a = new AtomicInteger(0);
1187	<	final CFException ex = new CFException();
1188	<	if (!createIncomplete) f.complete(v1);
1187	>	final CFException ex1 = new CFException();
1188	>	final CFException ex2 = new CFException();
1189	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1190	>
1191	>	if (!createIncomplete) f.completeExceptionally(ex1);
1192		final CompletableFuture<Integer> g = m.handle
1193		(f,
1194	<	(Integer x, Throwable t) -> {
1194	>	(Integer result, Throwable t) -> {
1195		m.checkExecutionMode();
1196	<	threadAssertSame(x, v1);
1197	<	threadAssertNull(t);
1196	>	threadAssertNull(result);
1197	>	threadAssertSame(ex1, t);
1198		a.getAndIncrement();
1199	<	throw ex;
1199	>	throw ex2;
1200		});
1201	<	if (createIncomplete) f.complete(v1);
1201	>	if (createIncomplete) f.completeExceptionally(ex1);
1202
1203	<	checkCompletedWithWrappedCFException(g, ex);
1204	<	checkCompletedNormally(f, v1);
1203	>	checkCompletedWithWrappedException(g, ex2);
1204	>	checkCompletedExceptionally(f, ex1);
1205		assertEquals(1, a.get());
1206		}}
1207
#	Line 1024 | Line 1234 | public class CompletableFutureTest exten
1234		{
1235		final FailingRunnable r = new FailingRunnable(m);
1236		final CompletableFuture<Void> f = m.runAsync(r);
1237	<	checkCompletedWithWrappedCFException(f);
1237	>	checkCompletedWithWrappedException(f, r.ex);
1238		r.assertInvoked();
1239		}}
1240
1241	+	public void testRunAsync_rejectingExecutor() {
1242	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1243	+	try {
1244	+	CompletableFuture.runAsync(() -> {}, e);
1245	+	shouldThrow();
1246	+	} catch (Throwable t) {
1247	+	assertSame(e.ex, t);
1248	+	}
1249	+
1250	+	assertEquals(1, e.count.get());
1251	+	}
1252	+
1253		/**
1254		* supplyAsync completes with result of supplier
1255		*/
#	Line 1058 | Line 1280 | public class CompletableFutureTest exten
1280		{
1281		FailingSupplier r = new FailingSupplier(m);
1282		CompletableFuture<Integer> f = m.supplyAsync(r);
1283	<	checkCompletedWithWrappedCFException(f);
1283	>	checkCompletedWithWrappedException(f, r.ex);
1284		r.assertInvoked();
1285		}}
1286
1287	+	public void testSupplyAsync_rejectingExecutor() {
1288	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1289	+	try {
1290	+	CompletableFuture.supplyAsync(() -> null, e);
1291	+	shouldThrow();
1292	+	} catch (Throwable t) {
1293	+	assertSame(e.ex, t);
1294	+	}
1295	+
1296	+	assertEquals(1, e.count.get());
1297	+	}
1298	+
1299		// seq completion methods
1300
1301		/**
#	Line 1069 | Line 1303 | public class CompletableFutureTest exten
1303		*/
1304		public void testThenRun_normalCompletion() {
1305		for (ExecutionMode m : ExecutionMode.values())
1072	–	for (boolean createIncomplete : new boolean[] { true, false })
1306		for (Integer v1 : new Integer[] { 1, null })
1307		{
1308		final CompletableFuture<Integer> f = new CompletableFuture<>();
1309	<	final Noop r = new Noop(m);
1310	<	if (!createIncomplete) f.complete(v1);
1078	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1079	<	if (createIncomplete) {
1080	<	checkIncomplete(g);
1081	<	f.complete(v1);
1082	<	}
1309	>	final Noop[] rs = new Noop[6];
1310	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1311
1312	<	checkCompletedNormally(g, null);
1312	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1313	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1314	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1315	>	checkIncomplete(h0);
1316	>	checkIncomplete(h1);
1317	>	checkIncomplete(h2);
1318	>	assertTrue(f.complete(v1));
1319	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1320	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1321	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1322	>
1323	>	checkCompletedNormally(h0, null);
1324	>	checkCompletedNormally(h1, null);
1325	>	checkCompletedNormally(h2, null);
1326	>	checkCompletedNormally(h3, null);
1327	>	checkCompletedNormally(h4, null);
1328	>	checkCompletedNormally(h5, null);
1329		checkCompletedNormally(f, v1);
1330	<	r.assertInvoked();
1330	>	for (Noop r : rs) r.assertInvoked();
1331		}}
1332
1333		/**
#	Line 1092 | Line 1336 | public class CompletableFutureTest exten
1336		*/
1337		public void testThenRun_exceptionalCompletion() {
1338		for (ExecutionMode m : ExecutionMode.values())
1095	–	for (boolean createIncomplete : new boolean[] { true, false })
1339		{
1340		final CFException ex = new CFException();
1341		final CompletableFuture<Integer> f = new CompletableFuture<>();
1342	<	final Noop r = new Noop(m);
1343	<	if (!createIncomplete) f.completeExceptionally(ex);
1101	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1102	<	if (createIncomplete) {
1103	<	checkIncomplete(g);
1104	<	f.completeExceptionally(ex);
1105	<	}
1342	>	final Noop[] rs = new Noop[6];
1343	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1344
1345	<	checkCompletedWithWrappedCFException(g, ex);
1346	<	checkCompletedWithWrappedCFException(f, ex);
1347	<	r.assertNotInvoked();
1345	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1346	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1347	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1348	>	checkIncomplete(h0);
1349	>	checkIncomplete(h1);
1350	>	checkIncomplete(h2);
1351	>	assertTrue(f.completeExceptionally(ex));
1352	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1353	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1354	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1355	>
1356	>	checkCompletedWithWrappedException(h0, ex);
1357	>	checkCompletedWithWrappedException(h1, ex);
1358	>	checkCompletedWithWrappedException(h2, ex);
1359	>	checkCompletedWithWrappedException(h3, ex);
1360	>	checkCompletedWithWrappedException(h4, ex);
1361	>	checkCompletedWithWrappedException(h5, ex);
1362	>	checkCompletedExceptionally(f, ex);
1363	>	for (Noop r : rs) r.assertNotInvoked();
1364		}}
1365
1366		/**
#	Line 1114 | Line 1368 | public class CompletableFutureTest exten
1368		*/
1369		public void testThenRun_sourceCancelled() {
1370		for (ExecutionMode m : ExecutionMode.values())
1117	–	for (boolean createIncomplete : new boolean[] { true, false })
1371		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1372		{
1373		final CompletableFuture<Integer> f = new CompletableFuture<>();
1374	<	final Noop r = new Noop(m);
1375	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1123	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1124	<	if (createIncomplete) {
1125	<	checkIncomplete(g);
1126	<	assertTrue(f.cancel(mayInterruptIfRunning));
1127	<	}
1374	>	final Noop[] rs = new Noop[6];
1375	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1376
1377	<	checkCompletedWithWrappedCancellationException(g);
1377	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1378	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1379	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1380	>	checkIncomplete(h0);
1381	>	checkIncomplete(h1);
1382	>	checkIncomplete(h2);
1383	>	assertTrue(f.cancel(mayInterruptIfRunning));
1384	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1385	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1386	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1387	>
1388	>	checkCompletedWithWrappedCancellationException(h0);
1389	>	checkCompletedWithWrappedCancellationException(h1);
1390	>	checkCompletedWithWrappedCancellationException(h2);
1391	>	checkCompletedWithWrappedCancellationException(h3);
1392	>	checkCompletedWithWrappedCancellationException(h4);
1393	>	checkCompletedWithWrappedCancellationException(h5);
1394		checkCancelled(f);
1395	<	r.assertNotInvoked();
1395	>	for (Noop r : rs) r.assertNotInvoked();
1396		}}
1397
1398		/**
#	Line 1136 | Line 1400 | public class CompletableFutureTest exten
1400		*/
1401		public void testThenRun_actionFailed() {
1402		for (ExecutionMode m : ExecutionMode.values())
1139	–	for (boolean createIncomplete : new boolean[] { true, false })
1403		for (Integer v1 : new Integer[] { 1, null })
1404		{
1405		final CompletableFuture<Integer> f = new CompletableFuture<>();
1406	<	final FailingRunnable r = new FailingRunnable(m);
1407	<	if (!createIncomplete) f.complete(v1);
1145	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1146	<	if (createIncomplete) {
1147	<	checkIncomplete(g);
1148	<	f.complete(v1);
1149	<	}
1406	>	final FailingRunnable[] rs = new FailingRunnable[6];
1407	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1408
1409	<	checkCompletedWithWrappedCFException(g);
1409	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1410	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1411	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1412	>	assertTrue(f.complete(v1));
1413	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1414	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1415	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1416	>
1417	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1418	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1419	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1420	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1421	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1422	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1423		checkCompletedNormally(f, v1);
1424		}}
1425
#	Line 1157 | Line 1428 | public class CompletableFutureTest exten
1428		*/
1429		public void testThenApply_normalCompletion() {
1430		for (ExecutionMode m : ExecutionMode.values())
1160	–	for (boolean createIncomplete : new boolean[] { true, false })
1431		for (Integer v1 : new Integer[] { 1, null })
1432		{
1433		final CompletableFuture<Integer> f = new CompletableFuture<>();
1434	<	final IncFunction r = new IncFunction(m);
1435	<	if (!createIncomplete) f.complete(v1);
1166	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1167	<	if (createIncomplete) {
1168	<	checkIncomplete(g);
1169	<	f.complete(v1);
1170	<	}
1434	>	final IncFunction[] rs = new IncFunction[4];
1435	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1436
1437	<	checkCompletedNormally(g, inc(v1));
1437	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1438	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1439	>	checkIncomplete(h0);
1440	>	checkIncomplete(h1);
1441	>	assertTrue(f.complete(v1));
1442	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1443	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1444	>
1445	>	checkCompletedNormally(h0, inc(v1));
1446	>	checkCompletedNormally(h1, inc(v1));
1447	>	checkCompletedNormally(h2, inc(v1));
1448	>	checkCompletedNormally(h3, inc(v1));
1449		checkCompletedNormally(f, v1);
1450	<	r.assertValue(inc(v1));
1450	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1451		}}
1452
1453		/**
#	Line 1180 | Line 1456 | public class CompletableFutureTest exten
1456		*/
1457		public void testThenApply_exceptionalCompletion() {
1458		for (ExecutionMode m : ExecutionMode.values())
1183	–	for (boolean createIncomplete : new boolean[] { true, false })
1459		{
1460		final CFException ex = new CFException();
1461		final CompletableFuture<Integer> f = new CompletableFuture<>();
1462	<	final IncFunction r = new IncFunction(m);
1463	<	if (!createIncomplete) f.completeExceptionally(ex);
1189	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1190	<	if (createIncomplete) {
1191	<	checkIncomplete(g);
1192	<	f.completeExceptionally(ex);
1193	<	}
1462	>	final IncFunction[] rs = new IncFunction[4];
1463	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1464
1465	<	checkCompletedWithWrappedCFException(g, ex);
1466	<	checkCompletedWithWrappedCFException(f, ex);
1467	<	r.assertNotInvoked();
1465	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1466	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1467	>	assertTrue(f.completeExceptionally(ex));
1468	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1469	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1470	>
1471	>	checkCompletedWithWrappedException(h0, ex);
1472	>	checkCompletedWithWrappedException(h1, ex);
1473	>	checkCompletedWithWrappedException(h2, ex);
1474	>	checkCompletedWithWrappedException(h3, ex);
1475	>	checkCompletedExceptionally(f, ex);
1476	>	for (IncFunction r : rs) r.assertNotInvoked();
1477		}}
1478
1479		/**
#	Line 1202 | Line 1481 | public class CompletableFutureTest exten
1481		*/
1482		public void testThenApply_sourceCancelled() {
1483		for (ExecutionMode m : ExecutionMode.values())
1205	–	for (boolean createIncomplete : new boolean[] { true, false })
1484		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1485		{
1486		final CompletableFuture<Integer> f = new CompletableFuture<>();
1487	<	final IncFunction r = new IncFunction(m);
1488	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1211	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1212	<	if (createIncomplete) {
1213	<	checkIncomplete(g);
1214	<	assertTrue(f.cancel(mayInterruptIfRunning));
1215	<	}
1487	>	final IncFunction[] rs = new IncFunction[4];
1488	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1489
1490	<	checkCompletedWithWrappedCancellationException(g);
1490	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1491	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1492	>	assertTrue(f.cancel(mayInterruptIfRunning));
1493	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1494	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1495	>
1496	>	checkCompletedWithWrappedCancellationException(h0);
1497	>	checkCompletedWithWrappedCancellationException(h1);
1498	>	checkCompletedWithWrappedCancellationException(h2);
1499	>	checkCompletedWithWrappedCancellationException(h3);
1500		checkCancelled(f);
1501	<	r.assertNotInvoked();
1501	>	for (IncFunction r : rs) r.assertNotInvoked();
1502		}}
1503
1504		/**
#	Line 1224 | Line 1506 | public class CompletableFutureTest exten
1506		*/
1507		public void testThenApply_actionFailed() {
1508		for (ExecutionMode m : ExecutionMode.values())
1227	–	for (boolean createIncomplete : new boolean[] { true, false })
1509		for (Integer v1 : new Integer[] { 1, null })
1510		{
1511		final CompletableFuture<Integer> f = new CompletableFuture<>();
1512	<	final FailingFunction r = new FailingFunction(m);
1513	<	if (!createIncomplete) f.complete(v1);
1233	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1234	<	if (createIncomplete) {
1235	<	checkIncomplete(g);
1236	<	f.complete(v1);
1237	<	}
1512	>	final FailingFunction[] rs = new FailingFunction[4];
1513	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1514
1515	<	checkCompletedWithWrappedCFException(g);
1515	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1516	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1517	>	assertTrue(f.complete(v1));
1518	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1519	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1520	>
1521	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1522	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1523	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1524	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1525		checkCompletedNormally(f, v1);
1526		}}
1527
#	Line 1245 | Line 1530 | public class CompletableFutureTest exten
1530		*/
1531		public void testThenAccept_normalCompletion() {
1532		for (ExecutionMode m : ExecutionMode.values())
1248	–	for (boolean createIncomplete : new boolean[] { true, false })
1533		for (Integer v1 : new Integer[] { 1, null })
1534		{
1535		final CompletableFuture<Integer> f = new CompletableFuture<>();
1536	<	final NoopConsumer r = new NoopConsumer(m);
1537	<	if (!createIncomplete) f.complete(v1);
1254	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1255	<	if (createIncomplete) {
1256	<	checkIncomplete(g);
1257	<	f.complete(v1);
1258	<	}
1536	>	final NoopConsumer[] rs = new NoopConsumer[4];
1537	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1538
1539	<	checkCompletedNormally(g, null);
1540	<	r.assertValue(v1);
1539	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1540	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1541	>	checkIncomplete(h0);
1542	>	checkIncomplete(h1);
1543	>	assertTrue(f.complete(v1));
1544	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1545	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1546	>
1547	>	checkCompletedNormally(h0, null);
1548	>	checkCompletedNormally(h1, null);
1549	>	checkCompletedNormally(h2, null);
1550	>	checkCompletedNormally(h3, null);
1551		checkCompletedNormally(f, v1);
1552	+	for (NoopConsumer r : rs) r.assertValue(v1);
1553		}}
1554
1555		/**
#	Line 1268 | Line 1558 | public class CompletableFutureTest exten
1558		*/
1559		public void testThenAccept_exceptionalCompletion() {
1560		for (ExecutionMode m : ExecutionMode.values())
1271	–	for (boolean createIncomplete : new boolean[] { true, false })
1561		{
1562		final CFException ex = new CFException();
1563		final CompletableFuture<Integer> f = new CompletableFuture<>();
1564	<	final NoopConsumer r = new NoopConsumer(m);
1565	<	if (!createIncomplete) f.completeExceptionally(ex);
1277	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1278	<	if (createIncomplete) {
1279	<	checkIncomplete(g);
1280	<	f.completeExceptionally(ex);
1281	<	}
1564	>	final NoopConsumer[] rs = new NoopConsumer[4];
1565	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1566
1567	<	checkCompletedWithWrappedCFException(g, ex);
1568	<	checkCompletedWithWrappedCFException(f, ex);
1569	<	r.assertNotInvoked();
1567	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1568	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1569	>	assertTrue(f.completeExceptionally(ex));
1570	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1571	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1572	>
1573	>	checkCompletedWithWrappedException(h0, ex);
1574	>	checkCompletedWithWrappedException(h1, ex);
1575	>	checkCompletedWithWrappedException(h2, ex);
1576	>	checkCompletedWithWrappedException(h3, ex);
1577	>	checkCompletedExceptionally(f, ex);
1578	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1579		}}
1580
1581		/**
#	Line 1290 | Line 1583 | public class CompletableFutureTest exten
1583		*/
1584		public void testThenAccept_sourceCancelled() {
1585		for (ExecutionMode m : ExecutionMode.values())
1293	–	for (boolean createIncomplete : new boolean[] { true, false })
1586		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1587		{
1588		final CompletableFuture<Integer> f = new CompletableFuture<>();
1589	<	final NoopConsumer r = new NoopConsumer(m);
1590	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1299	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1300	<	if (createIncomplete) {
1301	<	checkIncomplete(g);
1302	<	assertTrue(f.cancel(mayInterruptIfRunning));
1303	<	}
1589	>	final NoopConsumer[] rs = new NoopConsumer[4];
1590	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1591
1592	<	checkCompletedWithWrappedCancellationException(g);
1592	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1593	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1594	>	assertTrue(f.cancel(mayInterruptIfRunning));
1595	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1596	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1597	>
1598	>	checkCompletedWithWrappedCancellationException(h0);
1599	>	checkCompletedWithWrappedCancellationException(h1);
1600	>	checkCompletedWithWrappedCancellationException(h2);
1601	>	checkCompletedWithWrappedCancellationException(h3);
1602		checkCancelled(f);
1603	<	r.assertNotInvoked();
1603	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1604		}}
1605
1606		/**
#	Line 1312 | Line 1608 | public class CompletableFutureTest exten
1608		*/
1609		public void testThenAccept_actionFailed() {
1610		for (ExecutionMode m : ExecutionMode.values())
1315	–	for (boolean createIncomplete : new boolean[] { true, false })
1611		for (Integer v1 : new Integer[] { 1, null })
1612		{
1613		final CompletableFuture<Integer> f = new CompletableFuture<>();
1614	<	final FailingConsumer r = new FailingConsumer(m);
1615	<	if (!createIncomplete) f.complete(v1);
1321	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1322	<	if (createIncomplete) {
1323	<	checkIncomplete(g);
1324	<	f.complete(v1);
1325	<	}
1614	>	final FailingConsumer[] rs = new FailingConsumer[4];
1615	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1616
1617	<	checkCompletedWithWrappedCFException(g);
1617	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1618	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1619	>	assertTrue(f.complete(v1));
1620	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1621	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1622	>
1623	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1624	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1625	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1626	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1627		checkCompletedNormally(f, v1);
1628		}}
1629
#	Line 1334 | Line 1633 | public class CompletableFutureTest exten
1633		*/
1634		public void testThenCombine_normalCompletion() {
1635		for (ExecutionMode m : ExecutionMode.values())
1337	–	for (boolean createIncomplete : new boolean[] { true, false })
1636		for (boolean fFirst : new boolean[] { true, false })
1637		for (Integer v1 : new Integer[] { 1, null })
1638		for (Integer v2 : new Integer[] { 2, null })
1639		{
1640		final CompletableFuture<Integer> f = new CompletableFuture<>();
1641		final CompletableFuture<Integer> g = new CompletableFuture<>();
1642	<	final SubtractFunction r = new SubtractFunction(m);
1642	>	final SubtractFunction[] rs = new SubtractFunction[6];
1643	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1644
1645	<	if (fFirst) f.complete(v1); else g.complete(v2);
1646	<	if (!createIncomplete)
1647	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1648	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1649	<	if (createIncomplete) {
1650	<	checkIncomplete(h);
1651	<	r.assertNotInvoked();
1652	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1653	<	}
1645	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1646	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1647	>	final Integer w1 =  fFirst ? v1 : v2;
1648	>	final Integer w2 = !fFirst ? v1 : v2;
1649	>
1650	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1651	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1652	>	assertTrue(fst.complete(w1));
1653	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1654	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1655	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1656	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1657	>	checkCompletedNormally(h1, subtract(w1, w1));
1658	>	checkCompletedNormally(h3, subtract(w1, w1));
1659	>	rs[1].assertValue(subtract(w1, w1));
1660	>	rs[3].assertValue(subtract(w1, w1));
1661	>	assertTrue(snd.complete(w2));
1662	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1663	>
1664	>	checkCompletedNormally(h0, subtract(v1, v2));
1665	>	checkCompletedNormally(h2, subtract(v1, v2));
1666	>	checkCompletedNormally(h4, subtract(v1, v2));
1667	>	rs[0].assertValue(subtract(v1, v2));
1668	>	rs[2].assertValue(subtract(v1, v2));
1669	>	rs[4].assertValue(subtract(v1, v2));
1670
1356	–	checkCompletedNormally(h, subtract(v1, v2));
1671		checkCompletedNormally(f, v1);
1672		checkCompletedNormally(g, v2);
1359	–	r.assertValue(subtract(v1, v2));
1673		}}
1674
1675		/**
1676		* thenCombine result completes exceptionally after exceptional
1677		* completion of either source
1678		*/
1679	<	public void testThenCombine_exceptionalCompletion() {
1679	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1680		for (ExecutionMode m : ExecutionMode.values())
1368	–	for (boolean createIncomplete : new boolean[] { true, false })
1681		for (boolean fFirst : new boolean[] { true, false })
1682	+	for (boolean failFirst : new boolean[] { true, false })
1683		for (Integer v1 : new Integer[] { 1, null })
1684		{
1685		final CompletableFuture<Integer> f = new CompletableFuture<>();
1686		final CompletableFuture<Integer> g = new CompletableFuture<>();
1687		final CFException ex = new CFException();
1688	<	final SubtractFunction r = new SubtractFunction(m);
1689	<
1690	<	(fFirst ? f : g).complete(v1);
1691	<	if (!createIncomplete)
1692	<	(!fFirst ? f : g).completeExceptionally(ex);
1693	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1694	<	if (createIncomplete) {
1695	<	checkIncomplete(h);
1696	<	(!fFirst ? f : g).completeExceptionally(ex);
1697	<	}
1698	<
1699	<	checkCompletedWithWrappedCFException(h, ex);
1700	<	r.assertNotInvoked();
1701	<	checkCompletedNormally(fFirst ? f : g, v1);
1702	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1688	>	final SubtractFunction r1 = new SubtractFunction(m);
1689	>	final SubtractFunction r2 = new SubtractFunction(m);
1690	>	final SubtractFunction r3 = new SubtractFunction(m);
1691	>
1692	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1693	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1694	>	final Callable<Boolean> complete1 = failFirst ?
1695	>	() -> fst.completeExceptionally(ex) :
1696	>	() -> fst.complete(v1);
1697	>	final Callable<Boolean> complete2 = failFirst ?
1698	>	() -> snd.complete(v1) :
1699	>	() -> snd.completeExceptionally(ex);
1700	>
1701	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1702	>	assertTrue(complete1.call());
1703	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1704	>	checkIncomplete(h1);
1705	>	checkIncomplete(h2);
1706	>	assertTrue(complete2.call());
1707	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1708	>
1709	>	checkCompletedWithWrappedException(h1, ex);
1710	>	checkCompletedWithWrappedException(h2, ex);
1711	>	checkCompletedWithWrappedException(h3, ex);
1712	>	r1.assertNotInvoked();
1713	>	r2.assertNotInvoked();
1714	>	r3.assertNotInvoked();
1715	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1716	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1717		}}
1718
1719		/**
1720		* thenCombine result completes exceptionally if either source cancelled
1721		*/
1722	<	public void testThenCombine_sourceCancelled() {
1722	>	public void testThenCombine_sourceCancelled() throws Throwable {
1723		for (ExecutionMode m : ExecutionMode.values())
1724		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1398	–	for (boolean createIncomplete : new boolean[] { true, false })
1725		for (boolean fFirst : new boolean[] { true, false })
1726	+	for (boolean failFirst : new boolean[] { true, false })
1727		for (Integer v1 : new Integer[] { 1, null })
1728		{
1729		final CompletableFuture<Integer> f = new CompletableFuture<>();
1730		final CompletableFuture<Integer> g = new CompletableFuture<>();
1731	<	final SubtractFunction r = new SubtractFunction(m);
1732	<
1733	<	(fFirst ? f : g).complete(v1);
1734	<	if (!createIncomplete)
1735	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1736	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1737	<	if (createIncomplete) {
1738	<	checkIncomplete(h);
1739	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1740	<	}
1731	>	final SubtractFunction r1 = new SubtractFunction(m);
1732	>	final SubtractFunction r2 = new SubtractFunction(m);
1733	>	final SubtractFunction r3 = new SubtractFunction(m);
1734	>
1735	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1736	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1737	>	final Callable<Boolean> complete1 = failFirst ?
1738	>	() -> fst.cancel(mayInterruptIfRunning) :
1739	>	() -> fst.complete(v1);
1740	>	final Callable<Boolean> complete2 = failFirst ?
1741	>	() -> snd.complete(v1) :
1742	>	() -> snd.cancel(mayInterruptIfRunning);
1743	>
1744	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1745	>	assertTrue(complete1.call());
1746	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1747	>	checkIncomplete(h1);
1748	>	checkIncomplete(h2);
1749	>	assertTrue(complete2.call());
1750	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1751
1752	<	checkCompletedWithWrappedCancellationException(h);
1753	<	checkCancelled(!fFirst ? f : g);
1754	<	r.assertNotInvoked();
1755	<	checkCompletedNormally(fFirst ? f : g, v1);
1752	>	checkCompletedWithWrappedCancellationException(h1);
1753	>	checkCompletedWithWrappedCancellationException(h2);
1754	>	checkCompletedWithWrappedCancellationException(h3);
1755	>	r1.assertNotInvoked();
1756	>	r2.assertNotInvoked();
1757	>	r3.assertNotInvoked();
1758	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1759	>	checkCancelled(failFirst ? fst : snd);
1760		}}
1761
1762		/**
#	Line 1429 | Line 1770 | public class CompletableFutureTest exten
1770		{
1771		final CompletableFuture<Integer> f = new CompletableFuture<>();
1772		final CompletableFuture<Integer> g = new CompletableFuture<>();
1773	<	final FailingBiFunction r = new FailingBiFunction(m);
1774	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1775	<
1776	<	if (fFirst) {
1777	<	f.complete(v1);
1778	<	g.complete(v2);
1779	<	} else {
1780	<	g.complete(v2);
1781	<	f.complete(v1);
1782	<	}
1783	<
1784	<	checkCompletedWithWrappedCFException(h);
1773	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1774	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1775	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1776	>
1777	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1778	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1779	>	final Integer w1 =  fFirst ? v1 : v2;
1780	>	final Integer w2 = !fFirst ? v1 : v2;
1781	>
1782	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1783	>	assertTrue(fst.complete(w1));
1784	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1785	>	assertTrue(snd.complete(w2));
1786	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1787	>
1788	>	checkCompletedWithWrappedException(h1, r1.ex);
1789	>	checkCompletedWithWrappedException(h2, r2.ex);
1790	>	checkCompletedWithWrappedException(h3, r3.ex);
1791	>	r1.assertInvoked();
1792	>	r2.assertInvoked();
1793	>	r3.assertInvoked();
1794		checkCompletedNormally(f, v1);
1795		checkCompletedNormally(g, v2);
1796		}}
#	Line 1451 | Line 1801 | public class CompletableFutureTest exten
1801		*/
1802		public void testThenAcceptBoth_normalCompletion() {
1803		for (ExecutionMode m : ExecutionMode.values())
1454	–	for (boolean createIncomplete : new boolean[] { true, false })
1804		for (boolean fFirst : new boolean[] { true, false })
1805		for (Integer v1 : new Integer[] { 1, null })
1806		for (Integer v2 : new Integer[] { 2, null })
1807		{
1808		final CompletableFuture<Integer> f = new CompletableFuture<>();
1809		final CompletableFuture<Integer> g = new CompletableFuture<>();
1810	<	final SubtractAction r = new SubtractAction(m);
1811	<
1812	<	if (fFirst) f.complete(v1); else g.complete(v2);
1813	<	if (!createIncomplete)
1814	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1815	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1816	<	if (createIncomplete) {
1817	<	checkIncomplete(h);
1818	<	r.assertNotInvoked();
1819	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1820	<	}
1810	>	final SubtractAction r1 = new SubtractAction(m);
1811	>	final SubtractAction r2 = new SubtractAction(m);
1812	>	final SubtractAction r3 = new SubtractAction(m);
1813	>
1814	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1815	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1816	>	final Integer w1 =  fFirst ? v1 : v2;
1817	>	final Integer w2 = !fFirst ? v1 : v2;
1818	>
1819	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1820	>	assertTrue(fst.complete(w1));
1821	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1822	>	checkIncomplete(h1);
1823	>	checkIncomplete(h2);
1824	>	r1.assertNotInvoked();
1825	>	r2.assertNotInvoked();
1826	>	assertTrue(snd.complete(w2));
1827	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1828
1829	<	checkCompletedNormally(h, null);
1830	<	r.assertValue(subtract(v1, v2));
1829	>	checkCompletedNormally(h1, null);
1830	>	checkCompletedNormally(h2, null);
1831	>	checkCompletedNormally(h3, null);
1832	>	r1.assertValue(subtract(v1, v2));
1833	>	r2.assertValue(subtract(v1, v2));
1834	>	r3.assertValue(subtract(v1, v2));
1835		checkCompletedNormally(f, v1);
1836		checkCompletedNormally(g, v2);
1837		}}
#	Line 1480 | Line 1840 | public class CompletableFutureTest exten
1840		* thenAcceptBoth result completes exceptionally after exceptional
1841		* completion of either source
1842		*/
1843	<	public void testThenAcceptBoth_exceptionalCompletion() {
1843	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1844		for (ExecutionMode m : ExecutionMode.values())
1485	–	for (boolean createIncomplete : new boolean[] { true, false })
1845		for (boolean fFirst : new boolean[] { true, false })
1846	+	for (boolean failFirst : new boolean[] { true, false })
1847		for (Integer v1 : new Integer[] { 1, null })
1848		{
1849		final CompletableFuture<Integer> f = new CompletableFuture<>();
1850		final CompletableFuture<Integer> g = new CompletableFuture<>();
1851		final CFException ex = new CFException();
1852	<	final SubtractAction r = new SubtractAction(m);
1853	<
1854	<	(fFirst ? f : g).complete(v1);
1855	<	if (!createIncomplete)
1856	<	(!fFirst ? f : g).completeExceptionally(ex);
1857	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1858	<	if (createIncomplete) {
1859	<	checkIncomplete(h);
1860	<	(!fFirst ? f : g).completeExceptionally(ex);
1861	<	}
1862	<
1863	<	checkCompletedWithWrappedCFException(h, ex);
1864	<	r.assertNotInvoked();
1865	<	checkCompletedNormally(fFirst ? f : g, v1);
1866	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1852	>	final SubtractAction r1 = new SubtractAction(m);
1853	>	final SubtractAction r2 = new SubtractAction(m);
1854	>	final SubtractAction r3 = new SubtractAction(m);
1855	>
1856	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1857	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1858	>	final Callable<Boolean> complete1 = failFirst ?
1859	>	() -> fst.completeExceptionally(ex) :
1860	>	() -> fst.complete(v1);
1861	>	final Callable<Boolean> complete2 = failFirst ?
1862	>	() -> snd.complete(v1) :
1863	>	() -> snd.completeExceptionally(ex);
1864	>
1865	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1866	>	assertTrue(complete1.call());
1867	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1868	>	checkIncomplete(h1);
1869	>	checkIncomplete(h2);
1870	>	assertTrue(complete2.call());
1871	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1872	>
1873	>	checkCompletedWithWrappedException(h1, ex);
1874	>	checkCompletedWithWrappedException(h2, ex);
1875	>	checkCompletedWithWrappedException(h3, ex);
1876	>	r1.assertNotInvoked();
1877	>	r2.assertNotInvoked();
1878	>	r3.assertNotInvoked();
1879	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1880	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1881		}}
1882
1883		/**
1884		* thenAcceptBoth result completes exceptionally if either source cancelled
1885		*/
1886	<	public void testThenAcceptBoth_sourceCancelled() {
1886	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1887		for (ExecutionMode m : ExecutionMode.values())
1888		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1515	–	for (boolean createIncomplete : new boolean[] { true, false })
1889		for (boolean fFirst : new boolean[] { true, false })
1890	+	for (boolean failFirst : new boolean[] { true, false })
1891		for (Integer v1 : new Integer[] { 1, null })
1892		{
1893		final CompletableFuture<Integer> f = new CompletableFuture<>();
1894		final CompletableFuture<Integer> g = new CompletableFuture<>();
1895	<	final SubtractAction r = new SubtractAction(m);
1896	<
1897	<	(fFirst ? f : g).complete(v1);
1898	<	if (!createIncomplete)
1899	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1900	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1901	<	if (createIncomplete) {
1902	<	checkIncomplete(h);
1903	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1904	<	}
1895	>	final SubtractAction r1 = new SubtractAction(m);
1896	>	final SubtractAction r2 = new SubtractAction(m);
1897	>	final SubtractAction r3 = new SubtractAction(m);
1898	>
1899	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1900	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1901	>	final Callable<Boolean> complete1 = failFirst ?
1902	>	() -> fst.cancel(mayInterruptIfRunning) :
1903	>	() -> fst.complete(v1);
1904	>	final Callable<Boolean> complete2 = failFirst ?
1905	>	() -> snd.complete(v1) :
1906	>	() -> snd.cancel(mayInterruptIfRunning);
1907	>
1908	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1909	>	assertTrue(complete1.call());
1910	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1911	>	checkIncomplete(h1);
1912	>	checkIncomplete(h2);
1913	>	assertTrue(complete2.call());
1914	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1915
1916	<	checkCompletedWithWrappedCancellationException(h);
1917	<	checkCancelled(!fFirst ? f : g);
1918	<	r.assertNotInvoked();
1919	<	checkCompletedNormally(fFirst ? f : g, v1);
1916	>	checkCompletedWithWrappedCancellationException(h1);
1917	>	checkCompletedWithWrappedCancellationException(h2);
1918	>	checkCompletedWithWrappedCancellationException(h3);
1919	>	r1.assertNotInvoked();
1920	>	r2.assertNotInvoked();
1921	>	r3.assertNotInvoked();
1922	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1923	>	checkCancelled(failFirst ? fst : snd);
1924		}}
1925
1926		/**
#	Line 1546 | Line 1934 | public class CompletableFutureTest exten
1934		{
1935		final CompletableFuture<Integer> f = new CompletableFuture<>();
1936		final CompletableFuture<Integer> g = new CompletableFuture<>();
1937	<	final FailingBiConsumer r = new FailingBiConsumer(m);
1938	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1939	<
1940	<	if (fFirst) {
1941	<	f.complete(v1);
1942	<	g.complete(v2);
1943	<	} else {
1944	<	g.complete(v2);
1945	<	f.complete(v1);
1946	<	}
1947	<
1948	<	checkCompletedWithWrappedCFException(h);
1937	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1938	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1939	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1940	>
1941	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1942	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1943	>	final Integer w1 =  fFirst ? v1 : v2;
1944	>	final Integer w2 = !fFirst ? v1 : v2;
1945	>
1946	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1947	>	assertTrue(fst.complete(w1));
1948	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1949	>	assertTrue(snd.complete(w2));
1950	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1951	>
1952	>	checkCompletedWithWrappedException(h1, r1.ex);
1953	>	checkCompletedWithWrappedException(h2, r2.ex);
1954	>	checkCompletedWithWrappedException(h3, r3.ex);
1955	>	r1.assertInvoked();
1956	>	r2.assertInvoked();
1957	>	r3.assertInvoked();
1958		checkCompletedNormally(f, v1);
1959		checkCompletedNormally(g, v2);
1960		}}
#	Line 1568 | Line 1965 | public class CompletableFutureTest exten
1965		*/
1966		public void testRunAfterBoth_normalCompletion() {
1967		for (ExecutionMode m : ExecutionMode.values())
1571	–	for (boolean createIncomplete : new boolean[] { true, false })
1968		for (boolean fFirst : new boolean[] { true, false })
1969		for (Integer v1 : new Integer[] { 1, null })
1970		for (Integer v2 : new Integer[] { 2, null })
1971		{
1972		final CompletableFuture<Integer> f = new CompletableFuture<>();
1973		final CompletableFuture<Integer> g = new CompletableFuture<>();
1974	<	final Noop r = new Noop(m);
1975	<
1976	<	if (fFirst) f.complete(v1); else g.complete(v2);
1977	<	if (!createIncomplete)
1978	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1979	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1980	<	if (createIncomplete) {
1981	<	checkIncomplete(h);
1982	<	r.assertNotInvoked();
1983	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1984	<	}
1974	>	final Noop r1 = new Noop(m);
1975	>	final Noop r2 = new Noop(m);
1976	>	final Noop r3 = new Noop(m);
1977	>
1978	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1979	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1980	>	final Integer w1 =  fFirst ? v1 : v2;
1981	>	final Integer w2 = !fFirst ? v1 : v2;
1982	>
1983	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1984	>	assertTrue(fst.complete(w1));
1985	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1986	>	checkIncomplete(h1);
1987	>	checkIncomplete(h2);
1988	>	r1.assertNotInvoked();
1989	>	r2.assertNotInvoked();
1990	>	assertTrue(snd.complete(w2));
1991	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1992
1993	<	checkCompletedNormally(h, null);
1994	<	r.assertInvoked();
1993	>	checkCompletedNormally(h1, null);
1994	>	checkCompletedNormally(h2, null);
1995	>	checkCompletedNormally(h3, null);
1996	>	r1.assertInvoked();
1997	>	r2.assertInvoked();
1998	>	r3.assertInvoked();
1999		checkCompletedNormally(f, v1);
2000		checkCompletedNormally(g, v2);
2001		}}
#	Line 1597 | Line 2004 | public class CompletableFutureTest exten
2004		* runAfterBoth result completes exceptionally after exceptional
2005		* completion of either source
2006		*/
2007	<	public void testRunAfterBoth_exceptionalCompletion() {
2007	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2008		for (ExecutionMode m : ExecutionMode.values())
1602	–	for (boolean createIncomplete : new boolean[] { true, false })
2009		for (boolean fFirst : new boolean[] { true, false })
2010	+	for (boolean failFirst : new boolean[] { true, false })
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 CFException ex = new CFException();
2016	<	final Noop r = new Noop(m);
2017	<
2018	<	(fFirst ? f : g).complete(v1);
2019	<	if (!createIncomplete)
2020	<	(!fFirst ? f : g).completeExceptionally(ex);
2021	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2022	<	if (createIncomplete) {
2023	<	checkIncomplete(h);
2024	<	(!fFirst ? f : g).completeExceptionally(ex);
2025	<	}
2026	<
2027	<	checkCompletedWithWrappedCFException(h, ex);
2028	<	r.assertNotInvoked();
2029	<	checkCompletedNormally(fFirst ? f : g, v1);
2030	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
2016	>	final Noop r1 = new Noop(m);
2017	>	final Noop r2 = new Noop(m);
2018	>	final Noop r3 = new Noop(m);
2019	>
2020	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2021	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2022	>	final Callable<Boolean> complete1 = failFirst ?
2023	>	() -> fst.completeExceptionally(ex) :
2024	>	() -> fst.complete(v1);
2025	>	final Callable<Boolean> complete2 = failFirst ?
2026	>	() -> snd.complete(v1) :
2027	>	() -> snd.completeExceptionally(ex);
2028	>
2029	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2030	>	assertTrue(complete1.call());
2031	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2032	>	checkIncomplete(h1);
2033	>	checkIncomplete(h2);
2034	>	assertTrue(complete2.call());
2035	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2036	>
2037	>	checkCompletedWithWrappedException(h1, ex);
2038	>	checkCompletedWithWrappedException(h2, ex);
2039	>	checkCompletedWithWrappedException(h3, ex);
2040	>	r1.assertNotInvoked();
2041	>	r2.assertNotInvoked();
2042	>	r3.assertNotInvoked();
2043	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2044	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2045		}}
2046
2047		/**
2048		* runAfterBoth result completes exceptionally if either source cancelled
2049		*/
2050	<	public void testRunAfterBoth_sourceCancelled() {
2050	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2051		for (ExecutionMode m : ExecutionMode.values())
2052		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1632	–	for (boolean createIncomplete : new boolean[] { true, false })
2053		for (boolean fFirst : new boolean[] { true, false })
2054	+	for (boolean failFirst : new boolean[] { true, false })
2055		for (Integer v1 : new Integer[] { 1, null })
2056		{
2057		final CompletableFuture<Integer> f = new CompletableFuture<>();
2058		final CompletableFuture<Integer> g = new CompletableFuture<>();
2059	<	final Noop r = new Noop(m);
2060	<
2061	<
2062	<	(fFirst ? f : g).complete(v1);
2063	<	if (!createIncomplete)
2064	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2065	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2066	<	if (createIncomplete) {
2067	<	checkIncomplete(h);
2068	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2069	<	}
2059	>	final Noop r1 = new Noop(m);
2060	>	final Noop r2 = new Noop(m);
2061	>	final Noop r3 = new Noop(m);
2062	>
2063	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2064	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2065	>	final Callable<Boolean> complete1 = failFirst ?
2066	>	() -> fst.cancel(mayInterruptIfRunning) :
2067	>	() -> fst.complete(v1);
2068	>	final Callable<Boolean> complete2 = failFirst ?
2069	>	() -> snd.complete(v1) :
2070	>	() -> snd.cancel(mayInterruptIfRunning);
2071	>
2072	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2073	>	assertTrue(complete1.call());
2074	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2075	>	checkIncomplete(h1);
2076	>	checkIncomplete(h2);
2077	>	assertTrue(complete2.call());
2078	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2079
2080	<	checkCompletedWithWrappedCancellationException(h);
2081	<	checkCancelled(!fFirst ? f : g);
2082	<	r.assertNotInvoked();
2083	<	checkCompletedNormally(fFirst ? f : g, v1);
2080	>	checkCompletedWithWrappedCancellationException(h1);
2081	>	checkCompletedWithWrappedCancellationException(h2);
2082	>	checkCompletedWithWrappedCancellationException(h3);
2083	>	r1.assertNotInvoked();
2084	>	r2.assertNotInvoked();
2085	>	r3.assertNotInvoked();
2086	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2087	>	checkCancelled(failFirst ? fst : snd);
2088		}}
2089
2090		/**
#	Line 1666 | Line 2100 | public class CompletableFutureTest exten
2100		final CompletableFuture<Integer> g = new CompletableFuture<>();
2101		final FailingRunnable r1 = new FailingRunnable(m);
2102		final FailingRunnable r2 = new FailingRunnable(m);
2103	+	final FailingRunnable r3 = new FailingRunnable(m);
2104
2105	<	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2106	<	if (fFirst) {
2107	<	f.complete(v1);
2108	<	g.complete(v2);
2109	<	} else {
2110	<	g.complete(v2);
2111	<	f.complete(v1);
2112	<	}
2113	<	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2114	<
2115	<	checkCompletedWithWrappedCFException(h1);
2116	<	checkCompletedWithWrappedCFException(h2);
2105	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2106	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2107	>	final Integer w1 =  fFirst ? v1 : v2;
2108	>	final Integer w2 = !fFirst ? v1 : v2;
2109	>
2110	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2111	>	assertTrue(fst.complete(w1));
2112	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2113	>	assertTrue(snd.complete(w2));
2114	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2115	>
2116	>	checkCompletedWithWrappedException(h1, r1.ex);
2117	>	checkCompletedWithWrappedException(h2, r2.ex);
2118	>	checkCompletedWithWrappedException(h3, r3.ex);
2119	>	r1.assertInvoked();
2120	>	r2.assertInvoked();
2121	>	r3.assertInvoked();
2122		checkCompletedNormally(f, v1);
2123		checkCompletedNormally(g, v2);
2124		}}
#	Line 1752 | Line 2192 | public class CompletableFutureTest exten
2192		rs[0].assertNotInvoked();
2193		rs[1].assertNotInvoked();
2194		f.completeExceptionally(ex);
2195	<	checkCompletedWithWrappedCFException(h0, ex);
2196	<	checkCompletedWithWrappedCFException(h1, ex);
2195	>	checkCompletedWithWrappedException(h0, ex);
2196	>	checkCompletedWithWrappedException(h1, ex);
2197		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2198		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2199	<	checkCompletedWithWrappedCFException(h2, ex);
2200	<	checkCompletedWithWrappedCFException(h3, ex);
2199	>	checkCompletedWithWrappedException(h2, ex);
2200	>	checkCompletedWithWrappedException(h3, ex);
2201		g.complete(v1);
2202
2203		// unspecified behavior - both source completions available
#	Line 1767 | Line 2207 | public class CompletableFutureTest exten
2207		assertEquals(inc(v1), h4.join());
2208		rs[4].assertValue(inc(v1));
2209		} catch (CompletionException ok) {
2210	<	checkCompletedWithWrappedCFException(h4, ex);
2210	>	checkCompletedWithWrappedException(h4, ex);
2211		rs[4].assertNotInvoked();
2212		}
2213		try {
2214		assertEquals(inc(v1), h5.join());
2215		rs[5].assertValue(inc(v1));
2216		} catch (CompletionException ok) {
2217	<	checkCompletedWithWrappedCFException(h5, ex);
2217	>	checkCompletedWithWrappedException(h5, ex);
2218		rs[5].assertNotInvoked();
2219		}
2220
2221	<	checkCompletedWithWrappedCFException(f, ex);
2221	>	checkCompletedExceptionally(f, ex);
2222		checkCompletedNormally(g, v1);
2223	<	checkCompletedWithWrappedCFException(h0, ex);
2224	<	checkCompletedWithWrappedCFException(h1, ex);
2225	<	checkCompletedWithWrappedCFException(h2, ex);
2226	<	checkCompletedWithWrappedCFException(h3, ex);
2227	<	checkCompletedWithWrappedCFException(h4, ex);
2223	>	checkCompletedWithWrappedException(h0, ex);
2224	>	checkCompletedWithWrappedException(h1, ex);
2225	>	checkCompletedWithWrappedException(h2, ex);
2226	>	checkCompletedWithWrappedException(h3, ex);
2227	>	checkCompletedWithWrappedException(h4, ex);
2228		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2229		}}
2230
#	Line 1801 | Line 2241 | public class CompletableFutureTest exten
2241
2242		final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2243		final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2244	<	if (fFirst) {
2245	<	f.complete(v1);
1806	<	g.completeExceptionally(ex);
1807	<	} else {
1808	<	g.completeExceptionally(ex);
1809	<	f.complete(v1);
1810	<	}
2244	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2245	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2246		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2247		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2248
#	Line 1816 | Line 2251 | public class CompletableFutureTest exten
2251		assertEquals(inc(v1), h0.join());
2252		rs[0].assertValue(inc(v1));
2253		} catch (CompletionException ok) {
2254	<	checkCompletedWithWrappedCFException(h0, ex);
2254	>	checkCompletedWithWrappedException(h0, ex);
2255		rs[0].assertNotInvoked();
2256		}
2257		try {
2258		assertEquals(inc(v1), h1.join());
2259		rs[1].assertValue(inc(v1));
2260		} catch (CompletionException ok) {
2261	<	checkCompletedWithWrappedCFException(h1, ex);
2261	>	checkCompletedWithWrappedException(h1, ex);
2262		rs[1].assertNotInvoked();
2263		}
2264		try {
2265		assertEquals(inc(v1), h2.join());
2266		rs[2].assertValue(inc(v1));
2267		} catch (CompletionException ok) {
2268	<	checkCompletedWithWrappedCFException(h2, ex);
2268	>	checkCompletedWithWrappedException(h2, ex);
2269		rs[2].assertNotInvoked();
2270		}
2271		try {
2272		assertEquals(inc(v1), h3.join());
2273		rs[3].assertValue(inc(v1));
2274		} catch (CompletionException ok) {
2275	<	checkCompletedWithWrappedCFException(h3, ex);
2275	>	checkCompletedWithWrappedException(h3, ex);
2276		rs[3].assertNotInvoked();
2277		}
2278
2279		checkCompletedNormally(f, v1);
2280	<	checkCompletedWithWrappedCFException(g, ex);
2280	>	checkCompletedExceptionally(g, ex);
2281		}}
2282
2283		/**
#	Line 1913 | Line 2348 | public class CompletableFutureTest exten
2348
2349		final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2350		final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2351	<	if (fFirst) {
2352	<	f.complete(v1);
1918	<	g.cancel(mayInterruptIfRunning);
1919	<	} else {
1920	<	g.cancel(mayInterruptIfRunning);
1921	<	f.complete(v1);
1922	<	}
2351	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2352	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2353		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2354		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2355
#	Line 1975 | Line 2405 | public class CompletableFutureTest exten
2405		f.complete(v1);
2406		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2407		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2408	<	checkCompletedWithWrappedCFException(h0);
2409	<	checkCompletedWithWrappedCFException(h1);
2410	<	checkCompletedWithWrappedCFException(h2);
2411	<	checkCompletedWithWrappedCFException(h3);
2408	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2409	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2410	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2411	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2412		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2413
2414		g.complete(v2);
#	Line 1987 | Line 2417 | public class CompletableFutureTest exten
2417		final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2418		final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2419
2420	<	checkCompletedWithWrappedCFException(h4);
2420	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2421		assertTrue(Objects.equals(v1, rs[4].value) ||
2422		Objects.equals(v2, rs[4].value));
2423	<	checkCompletedWithWrappedCFException(h5);
2423	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2424		assertTrue(Objects.equals(v1, rs[5].value) ||
2425		Objects.equals(v2, rs[5].value));
2426
#	Line 2071 | Line 2501 | public class CompletableFutureTest exten
2501		rs[0].assertNotInvoked();
2502		rs[1].assertNotInvoked();
2503		f.completeExceptionally(ex);
2504	<	checkCompletedWithWrappedCFException(h0, ex);
2505	<	checkCompletedWithWrappedCFException(h1, ex);
2504	>	checkCompletedWithWrappedException(h0, ex);
2505	>	checkCompletedWithWrappedException(h1, ex);
2506		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2507		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2508	<	checkCompletedWithWrappedCFException(h2, ex);
2509	<	checkCompletedWithWrappedCFException(h3, ex);
2508	>	checkCompletedWithWrappedException(h2, ex);
2509	>	checkCompletedWithWrappedException(h3, ex);
2510
2511		g.complete(v1);
2512
#	Line 2087 | Line 2517 | public class CompletableFutureTest exten
2517		assertNull(h4.join());
2518		rs[4].assertValue(v1);
2519		} catch (CompletionException ok) {
2520	<	checkCompletedWithWrappedCFException(h4, ex);
2520	>	checkCompletedWithWrappedException(h4, ex);
2521		rs[4].assertNotInvoked();
2522		}
2523		try {
2524		assertNull(h5.join());
2525		rs[5].assertValue(v1);
2526		} catch (CompletionException ok) {
2527	<	checkCompletedWithWrappedCFException(h5, ex);
2527	>	checkCompletedWithWrappedException(h5, ex);
2528		rs[5].assertNotInvoked();
2529		}
2530
2531	<	checkCompletedWithWrappedCFException(f, ex);
2531	>	checkCompletedExceptionally(f, ex);
2532		checkCompletedNormally(g, v1);
2533	<	checkCompletedWithWrappedCFException(h0, ex);
2534	<	checkCompletedWithWrappedCFException(h1, ex);
2535	<	checkCompletedWithWrappedCFException(h2, ex);
2536	<	checkCompletedWithWrappedCFException(h3, ex);
2537	<	checkCompletedWithWrappedCFException(h4, ex);
2533	>	checkCompletedWithWrappedException(h0, ex);
2534	>	checkCompletedWithWrappedException(h1, ex);
2535	>	checkCompletedWithWrappedException(h2, ex);
2536	>	checkCompletedWithWrappedException(h3, ex);
2537	>	checkCompletedWithWrappedException(h4, ex);
2538		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2539		}}
2540
#	Line 2121 | Line 2551 | public class CompletableFutureTest exten
2551
2552		final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2553		final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2554	<	if (fFirst) {
2555	<	f.complete(v1);
2126	<	g.completeExceptionally(ex);
2127	<	} else {
2128	<	g.completeExceptionally(ex);
2129	<	f.complete(v1);
2130	<	}
2554	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2555	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2556		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2557		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2558
2559		// unspecified behavior - both source completions available
2560		try {
2561	<	assertEquals(null, h0.join());
2561	>	assertNull(h0.join());
2562		rs[0].assertValue(v1);
2563		} catch (CompletionException ok) {
2564	<	checkCompletedWithWrappedCFException(h0, ex);
2564	>	checkCompletedWithWrappedException(h0, ex);
2565		rs[0].assertNotInvoked();
2566		}
2567		try {
2568	<	assertEquals(null, h1.join());
2568	>	assertNull(h1.join());
2569		rs[1].assertValue(v1);
2570		} catch (CompletionException ok) {
2571	<	checkCompletedWithWrappedCFException(h1, ex);
2571	>	checkCompletedWithWrappedException(h1, ex);
2572		rs[1].assertNotInvoked();
2573		}
2574		try {
2575	<	assertEquals(null, h2.join());
2575	>	assertNull(h2.join());
2576		rs[2].assertValue(v1);
2577		} catch (CompletionException ok) {
2578	<	checkCompletedWithWrappedCFException(h2, ex);
2578	>	checkCompletedWithWrappedException(h2, ex);
2579		rs[2].assertNotInvoked();
2580		}
2581		try {
2582	<	assertEquals(null, h3.join());
2582	>	assertNull(h3.join());
2583		rs[3].assertValue(v1);
2584		} catch (CompletionException ok) {
2585	<	checkCompletedWithWrappedCFException(h3, ex);
2585	>	checkCompletedWithWrappedException(h3, ex);
2586		rs[3].assertNotInvoked();
2587		}
2588
2589		checkCompletedNormally(f, v1);
2590	<	checkCompletedWithWrappedCFException(g, ex);
2590	>	checkCompletedExceptionally(g, ex);
2591		}}
2592
2593		/**
#	Line 2239 | Line 2664 | public class CompletableFutureTest exten
2664		f.complete(v1);
2665		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2666		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2667	<	checkCompletedWithWrappedCFException(h0);
2668	<	checkCompletedWithWrappedCFException(h1);
2669	<	checkCompletedWithWrappedCFException(h2);
2670	<	checkCompletedWithWrappedCFException(h3);
2667	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2668	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2669	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2670	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2671		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2672
2673		g.complete(v2);
#	Line 2251 | Line 2676 | public class CompletableFutureTest exten
2676		final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2677		final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2678
2679	<	checkCompletedWithWrappedCFException(h4);
2679	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2680		assertTrue(Objects.equals(v1, rs[4].value) ||
2681		Objects.equals(v2, rs[4].value));
2682	<	checkCompletedWithWrappedCFException(h5);
2682	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2683		assertTrue(Objects.equals(v1, rs[5].value) ||
2684		Objects.equals(v2, rs[5].value));
2685
#	Line 2270 | Line 2695 | public class CompletableFutureTest exten
2695		for (ExecutionMode m : ExecutionMode.values())
2696		for (Integer v1 : new Integer[] { 1, null })
2697		for (Integer v2 : new Integer[] { 2, null })
2698	+	for (boolean pushNop : new boolean[] { true, false })
2699		{
2700		final CompletableFuture<Integer> f = new CompletableFuture<>();
2701		final CompletableFuture<Integer> g = new CompletableFuture<>();
#	Line 2282 | Line 2708 | public class CompletableFutureTest exten
2708		checkIncomplete(h1);
2709		rs[0].assertNotInvoked();
2710		rs[1].assertNotInvoked();
2711	+	if (pushNop) {          // ad hoc test of intra-completion interference
2712	+	m.thenRun(f, () -> {});
2713	+	m.thenRun(g, () -> {});
2714	+	}
2715		f.complete(v1);
2716		checkCompletedNormally(h0, null);
2717		checkCompletedNormally(h1, null);
#	Line 2330 | Line 2760 | public class CompletableFutureTest exten
2760		checkIncomplete(h1);
2761		rs[0].assertNotInvoked();
2762		rs[1].assertNotInvoked();
2763	<	f.completeExceptionally(ex);
2764	<	checkCompletedWithWrappedCFException(h0, ex);
2765	<	checkCompletedWithWrappedCFException(h1, ex);
2763	>	assertTrue(f.completeExceptionally(ex));
2764	>	checkCompletedWithWrappedException(h0, ex);
2765	>	checkCompletedWithWrappedException(h1, ex);
2766		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2767		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2768	<	checkCompletedWithWrappedCFException(h2, ex);
2769	<	checkCompletedWithWrappedCFException(h3, ex);
2768	>	checkCompletedWithWrappedException(h2, ex);
2769	>	checkCompletedWithWrappedException(h3, ex);
2770
2771	<	g.complete(v1);
2771	>	assertTrue(g.complete(v1));
2772
2773		// unspecified behavior - both source completions available
2774		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
#	Line 2347 | Line 2777 | public class CompletableFutureTest exten
2777		assertNull(h4.join());
2778		rs[4].assertInvoked();
2779		} catch (CompletionException ok) {
2780	<	checkCompletedWithWrappedCFException(h4, ex);
2780	>	checkCompletedWithWrappedException(h4, ex);
2781		rs[4].assertNotInvoked();
2782		}
2783		try {
2784		assertNull(h5.join());
2785		rs[5].assertInvoked();
2786		} catch (CompletionException ok) {
2787	<	checkCompletedWithWrappedCFException(h5, ex);
2787	>	checkCompletedWithWrappedException(h5, ex);
2788		rs[5].assertNotInvoked();
2789		}
2790
2791	<	checkCompletedWithWrappedCFException(f, ex);
2791	>	checkCompletedExceptionally(f, ex);
2792		checkCompletedNormally(g, v1);
2793	<	checkCompletedWithWrappedCFException(h0, ex);
2794	<	checkCompletedWithWrappedCFException(h1, ex);
2795	<	checkCompletedWithWrappedCFException(h2, ex);
2796	<	checkCompletedWithWrappedCFException(h3, ex);
2797	<	checkCompletedWithWrappedCFException(h4, ex);
2793	>	checkCompletedWithWrappedException(h0, ex);
2794	>	checkCompletedWithWrappedException(h1, ex);
2795	>	checkCompletedWithWrappedException(h2, ex);
2796	>	checkCompletedWithWrappedException(h3, ex);
2797	>	checkCompletedWithWrappedException(h4, ex);
2798		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2799		}}
2800
#	Line 2381 | Line 2811 | public class CompletableFutureTest exten
2811
2812		final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2813		final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2814	<	if (fFirst) {
2815	<	f.complete(v1);
2386	<	g.completeExceptionally(ex);
2387	<	} else {
2388	<	g.completeExceptionally(ex);
2389	<	f.complete(v1);
2390	<	}
2814	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2815	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2816		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2817		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2818
2819		// unspecified behavior - both source completions available
2820		try {
2821	<	assertEquals(null, h0.join());
2821	>	assertNull(h0.join());
2822		rs[0].assertInvoked();
2823		} catch (CompletionException ok) {
2824	<	checkCompletedWithWrappedCFException(h0, ex);
2824	>	checkCompletedWithWrappedException(h0, ex);
2825		rs[0].assertNotInvoked();
2826		}
2827		try {
2828	<	assertEquals(null, h1.join());
2828	>	assertNull(h1.join());
2829		rs[1].assertInvoked();
2830		} catch (CompletionException ok) {
2831	<	checkCompletedWithWrappedCFException(h1, ex);
2831	>	checkCompletedWithWrappedException(h1, ex);
2832		rs[1].assertNotInvoked();
2833		}
2834		try {
2835	<	assertEquals(null, h2.join());
2835	>	assertNull(h2.join());
2836		rs[2].assertInvoked();
2837		} catch (CompletionException ok) {
2838	<	checkCompletedWithWrappedCFException(h2, ex);
2838	>	checkCompletedWithWrappedException(h2, ex);
2839		rs[2].assertNotInvoked();
2840		}
2841		try {
2842	<	assertEquals(null, h3.join());
2842	>	assertNull(h3.join());
2843		rs[3].assertInvoked();
2844		} catch (CompletionException ok) {
2845	<	checkCompletedWithWrappedCFException(h3, ex);
2845	>	checkCompletedWithWrappedException(h3, ex);
2846		rs[3].assertNotInvoked();
2847		}
2848
2849		checkCompletedNormally(f, v1);
2850	<	checkCompletedWithWrappedCFException(g, ex);
2850	>	checkCompletedExceptionally(g, ex);
2851		}}
2852
2853		/**
#	Line 2452 | Line 2877 | public class CompletableFutureTest exten
2877		checkCompletedWithWrappedCancellationException(h2);
2878		checkCompletedWithWrappedCancellationException(h3);
2879
2880	<	g.complete(v1);
2880	>	assertTrue(g.complete(v1));
2881
2882		// unspecified behavior - both source completions available
2883		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
#	Line 2496 | Line 2921 | public class CompletableFutureTest exten
2921
2922		final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2923		final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2924	<	f.complete(v1);
2924	>	assertTrue(f.complete(v1));
2925		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2926		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2927	<	checkCompletedWithWrappedCFException(h0);
2928	<	checkCompletedWithWrappedCFException(h1);
2929	<	checkCompletedWithWrappedCFException(h2);
2930	<	checkCompletedWithWrappedCFException(h3);
2927	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2928	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2929	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2930	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2931		for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2932	<	g.complete(v2);
2932	>	assertTrue(g.complete(v2));
2933		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2934		final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2935	<	checkCompletedWithWrappedCFException(h4);
2936	<	checkCompletedWithWrappedCFException(h5);
2935	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2936	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2937
2938		checkCompletedNormally(f, v1);
2939		checkCompletedNormally(g, v2);
#	Line 2525 | Line 2950 | public class CompletableFutureTest exten
2950		{
2951		final CompletableFuture<Integer> f = new CompletableFuture<>();
2952		final CompletableFutureInc r = new CompletableFutureInc(m);
2953	<	if (!createIncomplete) f.complete(v1);
2953	>	if (!createIncomplete) assertTrue(f.complete(v1));
2954		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2955	<	if (createIncomplete) f.complete(v1);
2955	>	if (createIncomplete) assertTrue(f.complete(v1));
2956
2957		checkCompletedNormally(g, inc(v1));
2958		checkCompletedNormally(f, v1);
#	Line 2549 | Line 2974 | public class CompletableFutureTest exten
2974		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2975		if (createIncomplete) f.completeExceptionally(ex);
2976
2977	<	checkCompletedWithWrappedCFException(g, ex);
2978	<	checkCompletedWithWrappedCFException(f, ex);
2977	>	checkCompletedWithWrappedException(g, ex);
2978	>	checkCompletedExceptionally(f, ex);
2979		r.assertNotInvoked();
2980		}}
2981
#	Line 2565 | Line 2990 | public class CompletableFutureTest exten
2990		final CompletableFuture<Integer> f = new CompletableFuture<>();
2991		final FailingCompletableFutureFunction r
2992		= new FailingCompletableFutureFunction(m);
2993	<	if (!createIncomplete) f.complete(v1);
2993	>	if (!createIncomplete) assertTrue(f.complete(v1));
2994		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2995	<	if (createIncomplete) f.complete(v1);
2995	>	if (createIncomplete) assertTrue(f.complete(v1));
2996
2997	<	checkCompletedWithWrappedCFException(g);
2997	>	checkCompletedWithWrappedException(g, r.ex);
2998		checkCompletedNormally(f, v1);
2999		}}
3000
#	Line 2594 | Line 3019 | public class CompletableFutureTest exten
3019		checkCancelled(f);
3020		}}
3021
3022	+	/**
3023	+	* thenCompose result completes exceptionally if the result of the action does
3024	+	*/
3025	+	public void testThenCompose_actionReturnsFailingFuture() {
3026	+	for (ExecutionMode m : ExecutionMode.values())
3027	+	for (int order = 0; order < 6; order++)
3028	+	for (Integer v1 : new Integer[] { 1, null })
3029	+	{
3030	+	final CFException ex = new CFException();
3031	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3032	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
3033	+	final CompletableFuture<Integer> h;
3034	+	// Test all permutations of orders
3035	+	switch (order) {
3036	+	case 0:
3037	+	assertTrue(f.complete(v1));
3038	+	assertTrue(g.completeExceptionally(ex));
3039	+	h = m.thenCompose(f, (x -> g));
3040	+	break;
3041	+	case 1:
3042	+	assertTrue(f.complete(v1));
3043	+	h = m.thenCompose(f, (x -> g));
3044	+	assertTrue(g.completeExceptionally(ex));
3045	+	break;
3046	+	case 2:
3047	+	assertTrue(g.completeExceptionally(ex));
3048	+	assertTrue(f.complete(v1));
3049	+	h = m.thenCompose(f, (x -> g));
3050	+	break;
3051	+	case 3:
3052	+	assertTrue(g.completeExceptionally(ex));
3053	+	h = m.thenCompose(f, (x -> g));
3054	+	assertTrue(f.complete(v1));
3055	+	break;
3056	+	case 4:
3057	+	h = m.thenCompose(f, (x -> g));
3058	+	assertTrue(f.complete(v1));
3059	+	assertTrue(g.completeExceptionally(ex));
3060	+	break;
3061	+	case 5:
3062	+	h = m.thenCompose(f, (x -> g));
3063	+	assertTrue(f.complete(v1));
3064	+	assertTrue(g.completeExceptionally(ex));
3065	+	break;
3066	+	default: throw new AssertionError();
3067	+	}
3068	+
3069	+	checkCompletedExceptionally(g, ex);
3070	+	checkCompletedWithWrappedException(h, ex);
3071	+	checkCompletedNormally(f, v1);
3072	+	}}
3073	+
3074		// other static methods
3075
3076		/**
#	Line 2610 | Line 3087 | public class CompletableFutureTest exten
3087		* when all components complete normally
3088		*/
3089		public void testAllOf_normal() throws Exception {
3090	<	for (int k = 1; k < 20; ++k) {
3090	>	for (int k = 1; k < 10; k++) {
3091		CompletableFuture<Integer>[] fs
3092		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3093	<	for (int i = 0; i < k; ++i)
3093	>	for (int i = 0; i < k; i++)
3094		fs[i] = new CompletableFuture<>();
3095		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3096	<	for (int i = 0; i < k; ++i) {
3096	>	for (int i = 0; i < k; i++) {
3097		checkIncomplete(f);
3098		checkIncomplete(CompletableFuture.allOf(fs));
3099		fs[i].complete(one);
#	Line 2626 | Line 3103 | public class CompletableFutureTest exten
3103		}
3104		}
3105
3106	<	public void testAllOf_backwards() throws Exception {
3107	<	for (int k = 1; k < 20; ++k) {
3106	>	public void testAllOf_normal_backwards() throws Exception {
3107	>	for (int k = 1; k < 10; k++) {
3108		CompletableFuture<Integer>[] fs
3109		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3110	<	for (int i = 0; i < k; ++i)
3110	>	for (int i = 0; i < k; i++)
3111		fs[i] = new CompletableFuture<>();
3112		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3113		for (int i = k - 1; i >= 0; i--) {
#	Line 2643 | Line 3120 | public class CompletableFutureTest exten
3120		}
3121		}
3122
3123	+	public void testAllOf_exceptional() throws Exception {
3124	+	for (int k = 1; k < 10; k++) {
3125	+	CompletableFuture<Integer>[] fs
3126	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3127	+	CFException ex = new CFException();
3128	+	for (int i = 0; i < k; i++)
3129	+	fs[i] = new CompletableFuture<>();
3130	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3131	+	for (int i = 0; i < k; i++) {
3132	+	checkIncomplete(f);
3133	+	checkIncomplete(CompletableFuture.allOf(fs));
3134	+	if (i != k / 2) {
3135	+	fs[i].complete(i);
3136	+	checkCompletedNormally(fs[i], i);
3137	+	} else {
3138	+	fs[i].completeExceptionally(ex);
3139	+	checkCompletedExceptionally(fs[i], ex);
3140	+	}
3141	+	}
3142	+	checkCompletedWithWrappedException(f, ex);
3143	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3144	+	}
3145	+	}
3146	+
3147		/**
3148		* anyOf(no component futures) returns an incomplete future
3149		*/
3150		public void testAnyOf_empty() throws Exception {
3151	+	for (Integer v1 : new Integer[] { 1, null })
3152	+	{
3153		CompletableFuture<Object> f = CompletableFuture.anyOf();
3154		checkIncomplete(f);
3155	<	}
3155	>
3156	>	f.complete(v1);
3157	>	checkCompletedNormally(f, v1);
3158	>	}}
3159
3160		/**
3161		* anyOf returns a future completed normally with a value when
3162		* a component future does
3163		*/
3164		public void testAnyOf_normal() throws Exception {
3165	<	for (int k = 0; k < 10; ++k) {
3165	>	for (int k = 0; k < 10; k++) {
3166		CompletableFuture[] fs = new CompletableFuture[k];
3167	<	for (int i = 0; i < k; ++i)
3167	>	for (int i = 0; i < k; i++)
3168		fs[i] = new CompletableFuture<>();
3169		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3170		checkIncomplete(f);
3171	<	for (int i = 0; i < k; ++i) {
3172	<	fs[i].complete(one);
3173	<	checkCompletedNormally(f, one);
3174	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3171	>	for (int i = 0; i < k; i++) {
3172	>	fs[i].complete(i);
3173	>	checkCompletedNormally(f, 0);
3174	>	int x = (int) CompletableFuture.anyOf(fs).join();
3175	>	assertTrue(0 <= x && x <= i);
3176	>	}
3177	>	}
3178	>	}
3179	>	public void testAnyOf_normal_backwards() throws Exception {
3180	>	for (int k = 0; k < 10; k++) {
3181	>	CompletableFuture[] fs = new CompletableFuture[k];
3182	>	for (int i = 0; i < k; i++)
3183	>	fs[i] = new CompletableFuture<>();
3184	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3185	>	checkIncomplete(f);
3186	>	for (int i = k - 1; i >= 0; i--) {
3187	>	fs[i].complete(i);
3188	>	checkCompletedNormally(f, k - 1);
3189	>	int x = (int) CompletableFuture.anyOf(fs).join();
3190	>	assertTrue(i <= x && x <= k - 1);
3191		}
3192		}
3193		}
#	Line 2674 | Line 3196 | public class CompletableFutureTest exten
3196		* anyOf result completes exceptionally when any component does.
3197		*/
3198		public void testAnyOf_exceptional() throws Exception {
3199	<	for (int k = 0; k < 10; ++k) {
3199	>	for (int k = 0; k < 10; k++) {
3200	>	CompletableFuture[] fs = new CompletableFuture[k];
3201	>	CFException[] exs = new CFException[k];
3202	>	for (int i = 0; i < k; i++) {
3203	>	fs[i] = new CompletableFuture<>();
3204	>	exs[i] = new CFException();
3205	>	}
3206	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3207	>	checkIncomplete(f);
3208	>	for (int i = 0; i < k; i++) {
3209	>	fs[i].completeExceptionally(exs[i]);
3210	>	checkCompletedWithWrappedException(f, exs[0]);
3211	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3212	>	}
3213	>	}
3214	>	}
3215	>
3216	>	public void testAnyOf_exceptional_backwards() throws Exception {
3217	>	for (int k = 0; k < 10; k++) {
3218		CompletableFuture[] fs = new CompletableFuture[k];
3219	<	for (int i = 0; i < k; ++i)
3219	>	CFException[] exs = new CFException[k];
3220	>	for (int i = 0; i < k; i++) {
3221		fs[i] = new CompletableFuture<>();
3222	+	exs[i] = new CFException();
3223	+	}
3224		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3225		checkIncomplete(f);
3226	<	for (int i = 0; i < k; ++i) {
3227	<	fs[i].completeExceptionally(new CFException());
3228	<	checkCompletedWithWrappedCFException(f);
3226	>	for (int i = k - 1; i >= 0; i--) {
3227	>	fs[i].completeExceptionally(exs[i]);
3228	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3229		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3230		}
3231		}
#	Line 2695 | Line 3238 | public class CompletableFutureTest exten
3238		CompletableFuture<Integer> f = new CompletableFuture<>();
3239		CompletableFuture<Integer> g = new CompletableFuture<>();
3240		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2698	–	CompletableFuture<?> h;
3241		ThreadExecutor exec = new ThreadExecutor();
3242
3243		Runnable[] throwingActions = {
3244		() -> CompletableFuture.supplyAsync(null),
3245		() -> CompletableFuture.supplyAsync(null, exec),
3246	<	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
3246	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3247
3248		() -> CompletableFuture.runAsync(null),
3249		() -> CompletableFuture.runAsync(null, exec),
#	Line 2711 | Line 3253 | public class CompletableFutureTest exten
3253
3254		() -> f.thenApply(null),
3255		() -> f.thenApplyAsync(null),
3256	<	() -> f.thenApplyAsync((x) -> x, null),
3256	>	() -> f.thenApplyAsync(x -> x, null),
3257		() -> f.thenApplyAsync(null, exec),
3258
3259		() -> f.thenAccept(null),
3260		() -> f.thenAcceptAsync(null),
3261	<	() -> f.thenAcceptAsync((x) -> {} , null),
3261	>	() -> f.thenAcceptAsync(x -> {} , null),
3262		() -> f.thenAcceptAsync(null, exec),
3263
3264		() -> f.thenRun(null),
#	Line 2751 | Line 3293 | public class CompletableFutureTest exten
3293		() -> f.applyToEither(g, null),
3294		() -> f.applyToEitherAsync(g, null),
3295		() -> f.applyToEitherAsync(g, null, exec),
3296	<	() -> f.applyToEither(nullFuture, (x) -> x),
3297	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3298	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3299	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3296	>	() -> f.applyToEither(nullFuture, x -> x),
3297	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3298	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3299	>	() -> f.applyToEitherAsync(g, x -> x, null),
3300
3301		() -> f.acceptEither(g, null),
3302		() -> f.acceptEitherAsync(g, null),
3303		() -> f.acceptEitherAsync(g, null, exec),
3304	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3305	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3306	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3307	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3304	>	() -> f.acceptEither(nullFuture, x -> {}),
3305	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3306	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3307	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3308
3309		() -> f.runAfterEither(g, null),
3310		() -> f.runAfterEitherAsync(g, null),
#	Line 2792 | Line 3334 | public class CompletableFutureTest exten
3334		() -> CompletableFuture.anyOf(null, f),
3335
3336		() -> f.obtrudeException(null),
3337	+
3338	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3339	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3340	+	() -> CompletableFuture.delayedExecutor(1L, null),
3341	+
3342	+	() -> f.orTimeout(1L, null),
3343	+	() -> f.completeOnTimeout(42, 1L, null),
3344	+
3345	+	() -> CompletableFuture.failedFuture(null),
3346	+	() -> CompletableFuture.failedStage(null),
3347		};
3348
3349		assertThrows(NullPointerException.class, throwingActions);
#	Line 2799 | Line 3351 | public class CompletableFutureTest exten
3351		}
3352
3353		/**
3354	+	* Test submissions to an executor that rejects all tasks.
3355	+	*/
3356	+	public void testRejectingExecutor() {
3357	+	for (Integer v : new Integer[] { 1, null })
3358	+	{
3359	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3360	+
3361	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3362	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3363	+
3364	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3365	+
3366	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3367	+	srcs.add(complete);
3368	+	srcs.add(incomplete);
3369	+
3370	+	for (CompletableFuture<Integer> src : srcs) {
3371	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3372	+	fs.add(src.thenRunAsync(() -> {}, e));
3373	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3374	+	fs.add(src.thenApplyAsync(z -> z, e));
3375	+
3376	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3377	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3378	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3379	+
3380	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3381	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3382	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3383	+
3384	+	fs.add(src.thenComposeAsync(z -> null, e));
3385	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3386	+	fs.add(src.handleAsync((z, t) -> null, e));
3387	+
3388	+	for (CompletableFuture<?> future : fs) {
3389	+	if (src.isDone())
3390	+	checkCompletedWithWrappedException(future, e.ex);
3391	+	else
3392	+	checkIncomplete(future);
3393	+	}
3394	+	futures.addAll(fs);
3395	+	}
3396	+
3397	+	{
3398	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3399	+
3400	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3401	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3402	+
3403	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3404	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3405	+
3406	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3407	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3408	+
3409	+	for (CompletableFuture<?> future : fs)
3410	+	checkIncomplete(future);
3411	+	futures.addAll(fs);
3412	+	}
3413	+
3414	+	{
3415	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3416	+
3417	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3418	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3419	+
3420	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3421	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3422	+
3423	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3424	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3425	+
3426	+	for (CompletableFuture<?> future : fs)
3427	+	checkCompletedWithWrappedException(future, e.ex);
3428	+	futures.addAll(fs);
3429	+	}
3430	+
3431	+	incomplete.complete(v);
3432	+
3433	+	for (CompletableFuture<?> future : futures)
3434	+	checkCompletedWithWrappedException(future, e.ex);
3435	+
3436	+	assertEquals(futures.size(), e.count.get());
3437	+	}}
3438	+
3439	+	/**
3440	+	* Test submissions to an executor that rejects all tasks, but
3441	+	* should never be invoked because the dependent future is
3442	+	* explicitly completed.
3443	+	*/
3444	+	public void testRejectingExecutorNeverInvoked() {
3445	+	for (Integer v : new Integer[] { 1, null })
3446	+	{
3447	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3448	+
3449	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3450	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3451	+
3452	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3453	+
3454	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3455	+	srcs.add(complete);
3456	+	srcs.add(incomplete);
3457	+
3458	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3459	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3460	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3461	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3462	+
3463	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3464	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3465	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3466	+
3467	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3468	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3469	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3470	+
3471	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3472	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3473	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3474	+
3475	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3476	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3477	+
3478	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3479	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3480	+
3481	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3482	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3483	+
3484	+	for (CompletableFuture<?> future : fs)
3485	+	checkIncomplete(future);
3486	+
3487	+	for (CompletableFuture<?> future : fs)
3488	+	future.complete(null);
3489	+
3490	+	incomplete.complete(v);
3491	+
3492	+	for (CompletableFuture<?> future : fs)
3493	+	checkCompletedNormally(future, null);
3494	+
3495	+	assertEquals(0, e.count.get());
3496	+	}}
3497	+
3498	+	/**
3499		* toCompletableFuture returns this CompletableFuture.
3500		*/
3501		public void testToCompletableFuture() {
#	Line 2806 | Line 3503 | public class CompletableFutureTest exten
3503		assertSame(f, f.toCompletableFuture());
3504		}
3505
3506	+	// jdk9
3507	+
3508		/**
3509	<	* whenComplete action executes on normal completion, propagating
2811	<	* source result.
3509	>	* newIncompleteFuture returns an incomplete CompletableFuture
3510		*/
3511	<	public void testWhenComplete_normalCompletion1() {
2814	<	for (ExecutionMode m : ExecutionMode.values())
2815	<	for (boolean createIncomplete : new boolean[] { true, false })
3511	>	public void testNewIncompleteFuture() {
3512		for (Integer v1 : new Integer[] { 1, null })
3513		{
3514	<	final AtomicInteger a = new AtomicInteger(0);
3515	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3516	<	if (!createIncomplete) f.complete(v1);
3517	<	final CompletableFuture<Integer> g = m.whenComplete
3518	<	(f,
2823	<	(Integer x, Throwable t) -> {
2824	<	threadAssertSame(x, v1);
2825	<	threadAssertNull(t);
2826	<	a.getAndIncrement();
2827	<	});
2828	<	if (createIncomplete) f.complete(v1);
2829	<
2830	<	checkCompletedNormally(g, v1);
3514	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3515	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3516	>	checkIncomplete(f);
3517	>	checkIncomplete(g);
3518	>	f.complete(v1);
3519		checkCompletedNormally(f, v1);
3520	<	assertEquals(1, a.get());
3520	>	checkIncomplete(g);
3521	>	g.complete(v1);
3522	>	checkCompletedNormally(g, v1);
3523	>	assertSame(g.getClass(), CompletableFuture.class);
3524		}}
3525
3526		/**
3527	<	* whenComplete action executes on exceptional completion, propagating
2837	<	* source result.
3527	>	* completedStage returns a completed CompletionStage
3528		*/
3529	<	public void testWhenComplete_exceptionalCompletion() {
3530	<	for (ExecutionMode m : ExecutionMode.values())
3529	>	public void testCompletedStage() {
3530	>	AtomicInteger x = new AtomicInteger(0);
3531	>	AtomicReference<Throwable> r = new AtomicReference<>();
3532	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3533	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3534	>	assertEquals(x.get(), 1);
3535	>	assertNull(r.get());
3536	>	}
3537	>
3538	>	/**
3539	>	* defaultExecutor by default returns the commonPool if
3540	>	* it supports more than one thread.
3541	>	*/
3542	>	public void testDefaultExecutor() {
3543	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3544	>	Executor e = f.defaultExecutor();
3545	>	Executor c = ForkJoinPool.commonPool();
3546	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3547	>	assertSame(e, c);
3548	>	else
3549	>	assertNotSame(e, c);
3550	>	}
3551	>
3552	>	/**
3553	>	* failedFuture returns a CompletableFuture completed
3554	>	* exceptionally with the given Exception
3555	>	*/
3556	>	public void testFailedFuture() {
3557	>	CFException ex = new CFException();
3558	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3559	>	checkCompletedExceptionally(f, ex);
3560	>	}
3561	>
3562	>	/**
3563	>	* failedFuture(null) throws NPE
3564	>	*/
3565	>	public void testFailedFuture_null() {
3566	>	try {
3567	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3568	>	shouldThrow();
3569	>	} catch (NullPointerException success) {}
3570	>	}
3571	>
3572	>	/**
3573	>	* copy returns a CompletableFuture that is completed normally,
3574	>	* with the same value, when source is.
3575	>	*/
3576	>	public void testCopy_normalCompletion() {
3577		for (boolean createIncomplete : new boolean[] { true, false })
3578		for (Integer v1 : new Integer[] { 1, null })
3579		{
3580	<	final AtomicInteger a = new AtomicInteger(0);
3581	<	final CFException ex = new CFException();
3582	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3580	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3581	>	if (!createIncomplete) assertTrue(f.complete(v1));
3582	>	CompletableFuture<Integer> g = f.copy();
3583	>	if (createIncomplete) {
3584	>	checkIncomplete(f);
3585	>	checkIncomplete(g);
3586	>	assertTrue(f.complete(v1));
3587	>	}
3588	>	checkCompletedNormally(f, v1);
3589	>	checkCompletedNormally(g, v1);
3590	>	}}
3591	>
3592	>	/**
3593	>	* copy returns a CompletableFuture that is completed exceptionally
3594	>	* when source is.
3595	>	*/
3596	>	public void testCopy_exceptionalCompletion() {
3597	>	for (boolean createIncomplete : new boolean[] { true, false })
3598	>	{
3599	>	CFException ex = new CFException();
3600	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3601		if (!createIncomplete) f.completeExceptionally(ex);
3602	<	final CompletableFuture<Integer> g = m.whenComplete
3603	<	(f,
3604	<	(Integer x, Throwable t) -> {
3605	<	threadAssertNull(x);
3606	<	threadAssertSame(t, ex);
3607	<	a.getAndIncrement();
3608	<	});
3609	<	if (createIncomplete) f.completeExceptionally(ex);
2856	<	checkCompletedWithWrappedCFException(f, ex);
2857	<	checkCompletedWithWrappedCFException(g, ex);
2858	<	assertEquals(1, a.get());
3602	>	CompletableFuture<Integer> g = f.copy();
3603	>	if (createIncomplete) {
3604	>	checkIncomplete(f);
3605	>	checkIncomplete(g);
3606	>	f.completeExceptionally(ex);
3607	>	}
3608	>	checkCompletedExceptionally(f, ex);
3609	>	checkCompletedWithWrappedException(g, ex);
3610		}}
3611
3612		/**
3613	<	* whenComplete action executes on cancelled source, propagating
2863	<	* CancellationException.
3613	>	* Completion of a copy does not complete its source.
3614		*/
3615	<	public void testWhenComplete_sourceCancelled() {
3615	>	public void testCopy_oneWayPropagation() {
3616	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3617	>	assertTrue(f.copy().complete(1));
3618	>	assertTrue(f.copy().complete(null));
3619	>	assertTrue(f.copy().cancel(true));
3620	>	assertTrue(f.copy().cancel(false));
3621	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3622	>	checkIncomplete(f);
3623	>	}
3624	>
3625	>	/**
3626	>	* minimalCompletionStage returns a CompletableFuture that is
3627	>	* completed normally, with the same value, when source is.
3628	>	*/
3629	>	public void testMinimalCompletionStage() {
3630	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3631	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3632	>	AtomicInteger x = new AtomicInteger(0);
3633	>	AtomicReference<Throwable> r = new AtomicReference<>();
3634	>	checkIncomplete(f);
3635	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3636	>	f.complete(1);
3637	>	checkCompletedNormally(f, 1);
3638	>	assertEquals(x.get(), 1);
3639	>	assertNull(r.get());
3640	>	}
3641	>
3642	>	/**
3643	>	* minimalCompletionStage returns a CompletableFuture that is
3644	>	* completed exceptionally when source is.
3645	>	*/
3646	>	public void testMinimalCompletionStage2() {
3647	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3648	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3649	>	AtomicInteger x = new AtomicInteger(0);
3650	>	AtomicReference<Throwable> r = new AtomicReference<>();
3651	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3652	>	checkIncomplete(f);
3653	>	CFException ex = new CFException();
3654	>	f.completeExceptionally(ex);
3655	>	checkCompletedExceptionally(f, ex);
3656	>	assertEquals(x.get(), 0);
3657	>	assertEquals(r.get().getCause(), ex);
3658	>	}
3659	>
3660	>	/**
3661	>	* failedStage returns a CompletionStage completed
3662	>	* exceptionally with the given Exception
3663	>	*/
3664	>	public void testFailedStage() {
3665	>	CFException ex = new CFException();
3666	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3667	>	AtomicInteger x = new AtomicInteger(0);
3668	>	AtomicReference<Throwable> r = new AtomicReference<>();
3669	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3670	>	assertEquals(x.get(), 0);
3671	>	assertEquals(r.get(), ex);
3672	>	}
3673	>
3674	>	/**
3675	>	* completeAsync completes with value of given supplier
3676	>	*/
3677	>	public void testCompleteAsync() {
3678	>	for (Integer v1 : new Integer[] { 1, null })
3679	>	{
3680	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3681	>	f.completeAsync(() -> v1);
3682	>	f.join();
3683	>	checkCompletedNormally(f, v1);
3684	>	}}
3685	>
3686	>	/**
3687	>	* completeAsync completes exceptionally if given supplier throws
3688	>	*/
3689	>	public void testCompleteAsync2() {
3690	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3691	>	CFException ex = new CFException();
3692	>	f.completeAsync(() -> { throw ex; });
3693	>	try {
3694	>	f.join();
3695	>	shouldThrow();
3696	>	} catch (CompletionException success) {}
3697	>	checkCompletedWithWrappedException(f, ex);
3698	>	}
3699	>
3700	>	/**
3701	>	* completeAsync with given executor completes with value of given supplier
3702	>	*/
3703	>	public void testCompleteAsync3() {
3704	>	for (Integer v1 : new Integer[] { 1, null })
3705	>	{
3706	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3707	>	ThreadExecutor executor = new ThreadExecutor();
3708	>	f.completeAsync(() -> v1, executor);
3709	>	assertSame(v1, f.join());
3710	>	checkCompletedNormally(f, v1);
3711	>	assertEquals(1, executor.count.get());
3712	>	}}
3713	>
3714	>	/**
3715	>	* completeAsync with given executor completes exceptionally if
3716	>	* given supplier throws
3717	>	*/
3718	>	public void testCompleteAsync4() {
3719	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3720	>	CFException ex = new CFException();
3721	>	ThreadExecutor executor = new ThreadExecutor();
3722	>	f.completeAsync(() -> { throw ex; }, executor);
3723	>	try {
3724	>	f.join();
3725	>	shouldThrow();
3726	>	} catch (CompletionException success) {}
3727	>	checkCompletedWithWrappedException(f, ex);
3728	>	assertEquals(1, executor.count.get());
3729	>	}
3730	>
3731	>	/**
3732	>	* orTimeout completes with TimeoutException if not complete
3733	>	*/
3734	>	public void testOrTimeout_timesOut() {
3735	>	long timeoutMillis = timeoutMillis();
3736	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3737	>	long startTime = System.nanoTime();
3738	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3739	>	checkCompletedWithTimeoutException(f);
3740	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3741	>	}
3742	>
3743	>	/**
3744	>	* orTimeout completes normally if completed before timeout
3745	>	*/
3746	>	public void testOrTimeout_completed() {
3747	>	for (Integer v1 : new Integer[] { 1, null })
3748	>	{
3749	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3750	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3751	>	long startTime = System.nanoTime();
3752	>	f.complete(v1);
3753	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3754	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3755	>	g.complete(v1);
3756	>	checkCompletedNormally(f, v1);
3757	>	checkCompletedNormally(g, v1);
3758	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3759	>	}}
3760	>
3761	>	/**
3762	>	* completeOnTimeout completes with given value if not complete
3763	>	*/
3764	>	public void testCompleteOnTimeout_timesOut() {
3765	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3766	>	() -> testCompleteOnTimeout_timesOut(null));
3767	>	}
3768	>
3769	>	/**
3770	>	* completeOnTimeout completes with given value if not complete
3771	>	*/
3772	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3773	>	long timeoutMillis = timeoutMillis();
3774	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3775	>	long startTime = System.nanoTime();
3776	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3777	>	assertSame(v, f.join());
3778	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3779	>	f.complete(99);         // should have no effect
3780	>	checkCompletedNormally(f, v);
3781	>	}
3782	>
3783	>	/**
3784	>	* completeOnTimeout has no effect if completed within timeout
3785	>	*/
3786	>	public void testCompleteOnTimeout_completed() {
3787	>	for (Integer v1 : new Integer[] { 1, null })
3788	>	{
3789	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3790	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3791	>	long startTime = System.nanoTime();
3792	>	f.complete(v1);
3793	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3794	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3795	>	g.complete(v1);
3796	>	checkCompletedNormally(f, v1);
3797	>	checkCompletedNormally(g, v1);
3798	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3799	>	}}
3800	>
3801	>	/**
3802	>	* delayedExecutor returns an executor that delays submission
3803	>	*/
3804	>	public void testDelayedExecutor() {
3805	>	testInParallel(() -> testDelayedExecutor(null, null),
3806	>	() -> testDelayedExecutor(null, 1),
3807	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3808	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3809	>	}
3810	>
3811	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3812	>	long timeoutMillis = timeoutMillis();
3813	>	// Use an "unreasonably long" long timeout to catch lingering threads
3814	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3815	>	final Executor delayer, longDelayer;
3816	>	if (executor == null) {
3817	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3818	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3819	>	} else {
3820	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3821	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3822	>	}
3823	>	long startTime = System.nanoTime();
3824	>	CompletableFuture<Integer> f =
3825	>	CompletableFuture.supplyAsync(() -> v, delayer);
3826	>	CompletableFuture<Integer> g =
3827	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3828	>
3829	>	assertNull(g.getNow(null));
3830	>
3831	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3832	>	long millisElapsed = millisElapsedSince(startTime);
3833	>	assertTrue(millisElapsed >= timeoutMillis);
3834	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3835	>
3836	>	checkCompletedNormally(f, v);
3837	>
3838	>	checkIncomplete(g);
3839	>	assertTrue(g.cancel(true));
3840	>	}
3841	>
3842	>	//--- tests of implementation details; not part of official tck ---
3843	>
3844	>	Object resultOf(CompletableFuture<?> f) {
3845	>	SecurityManager sm = System.getSecurityManager();
3846	>	if (sm != null) {
3847	>	try {
3848	>	System.setSecurityManager(null);
3849	>	} catch (SecurityException giveUp) {
3850	>	return "Reflection not available";
3851	>	}
3852	>	}
3853	>
3854	>	try {
3855	>	java.lang.reflect.Field resultField
3856	>	= CompletableFuture.class.getDeclaredField("result");
3857	>	resultField.setAccessible(true);
3858	>	return resultField.get(f);
3859	>	} catch (Throwable t) {
3860	>	throw new AssertionError(t);
3861	>	} finally {
3862	>	if (sm != null) System.setSecurityManager(sm);
3863	>	}
3864	>	}
3865	>
3866	>	public void testExceptionPropagationReusesResultObject() {
3867	>	if (!testImplementationDetails) return;
3868		for (ExecutionMode m : ExecutionMode.values())
2867	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2868	–	for (boolean createIncomplete : new boolean[] { true, false })
3869		{
3870	<	final AtomicInteger a = new AtomicInteger(0);
3871	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3872	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2873	<	final CompletableFuture<Integer> g = m.whenComplete
2874	<	(f,
2875	<	(Integer x, Throwable t) -> {
2876	<	threadAssertNull(x);
2877	<	threadAssertTrue(t instanceof CancellationException);
2878	<	a.getAndIncrement();
2879	<	});
2880	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3870	>	final CFException ex = new CFException();
3871	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3872	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3873
3874	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3875	<	checkCompletedWithWrappedCancellationException(g);
3876	<	checkCancelled(f);
3877	<	assertEquals(1, a.get());
3874	>	final Runnable noopRunnable = new Noop(m);
3875	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3876	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
3877	>
3878	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3879	>	= new ArrayList<>();
3880	>
3881	>	funs.add(y -> m.thenRun(y, noopRunnable));
3882	>	funs.add(y -> m.thenAccept(y, noopConsumer));
3883	>	funs.add(y -> m.thenApply(y, incFunction));
3884	>
3885	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3886	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3887	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3888	>
3889	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3890	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3891	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3892	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3893	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3894	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3895	>
3896	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3897	>
3898	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3899	>
3900	>	funs.add(y -> CompletableFuture.allOf(y));
3901	>	funs.add(y -> CompletableFuture.allOf(y, v42));
3902	>	funs.add(y -> CompletableFuture.allOf(v42, y));
3903	>	funs.add(y -> CompletableFuture.anyOf(y));
3904	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3905	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3906	>
3907	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3908	>	fun : funs) {
3909	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3910	>	f.completeExceptionally(ex);
3911	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3912	>	checkCompletedWithWrappedException(src, ex);
3913	>	CompletableFuture<?> dep = fun.apply(src);
3914	>	checkCompletedWithWrappedException(dep, ex);
3915	>	assertSame(resultOf(src), resultOf(dep));
3916	>	}
3917	>
3918	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3919	>	fun : funs) {
3920	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3921	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3922	>	CompletableFuture<?> dep = fun.apply(src);
3923	>	f.completeExceptionally(ex);
3924	>	checkCompletedWithWrappedException(src, ex);
3925	>	checkCompletedWithWrappedException(dep, ex);
3926	>	assertSame(resultOf(src), resultOf(dep));
3927	>	}
3928	>
3929	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3930	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3931	>	fun : funs) {
3932	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3933	>	f.cancel(mayInterruptIfRunning);
3934	>	checkCancelled(f);
3935	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3936	>	checkCompletedWithWrappedCancellationException(src);
3937	>	CompletableFuture<?> dep = fun.apply(src);
3938	>	checkCompletedWithWrappedCancellationException(dep);
3939	>	assertSame(resultOf(src), resultOf(dep));
3940	>	}
3941	>
3942	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3943	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3944	>	fun : funs) {
3945	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3946	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3947	>	CompletableFuture<?> dep = fun.apply(src);
3948	>	f.cancel(mayInterruptIfRunning);
3949	>	checkCancelled(f);
3950	>	checkCompletedWithWrappedCancellationException(src);
3951	>	checkCompletedWithWrappedCancellationException(dep);
3952	>	assertSame(resultOf(src), resultOf(dep));
3953	>	}
3954		}}
3955
3956		/**
3957	<	* If a whenComplete action throws an exception when triggered by
3958	<	* a normal completion, it completes exceptionally
3957	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3958	>	*/
3959	>	public void testMinimalCompletionStage_minimality() {
3960	>	if (!testImplementationDetails) return;
3961	>	Function<Method, String> toSignature =
3962	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3963	>	Predicate<Method> isNotStatic =
3964	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3965	>	List<Method> minimalMethods =
3966	>	Stream.of(Object.class, CompletionStage.class)
3967	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3968	>	.filter(isNotStatic)
3969	>	.collect(Collectors.toList());
3970	>	// Methods from CompletableFuture permitted NOT to throw UOE
3971	>	String[] signatureWhitelist = {
3972	>	"newIncompleteFuture[]",
3973	>	"defaultExecutor[]",
3974	>	"minimalCompletionStage[]",
3975	>	"copy[]",
3976	>	};
3977	>	Set<String> permittedMethodSignatures =
3978	>	Stream.concat(minimalMethods.stream().map(toSignature),
3979	>	Stream.of(signatureWhitelist))
3980	>	.collect(Collectors.toSet());
3981	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3982	>	.filter(isNotStatic)
3983	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3984	>	.collect(Collectors.toList());
3985	>
3986	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
3987	>	CompletionStage<Integer> min =
3988	>	new CompletableFuture<Integer>().minimalCompletionStage();
3989	>	stages.add(min);
3990	>	stages.add(min.thenApply(x -> x));
3991	>	stages.add(CompletableFuture.completedStage(1));
3992	>	stages.add(CompletableFuture.failedStage(new CFException()));
3993	>
3994	>	List<Method> bugs = new ArrayList<>();
3995	>	for (Method method : allMethods) {
3996	>	Class<?>[] parameterTypes = method.getParameterTypes();
3997	>	Object[] args = new Object[parameterTypes.length];
3998	>	// Manufacture boxed primitives for primitive params
3999	>	for (int i = 0; i < args.length; i++) {
4000	>	Class<?> type = parameterTypes[i];
4001	>	if (parameterTypes[i] == boolean.class)
4002	>	args[i] = false;
4003	>	else if (parameterTypes[i] == int.class)
4004	>	args[i] = 0;
4005	>	else if (parameterTypes[i] == long.class)
4006	>	args[i] = 0L;
4007	>	}
4008	>	for (CompletionStage<Integer> stage : stages) {
4009	>	try {
4010	>	method.invoke(stage, args);
4011	>	bugs.add(method);
4012	>	}
4013	>	catch (java.lang.reflect.InvocationTargetException expected) {
4014	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4015	>	bugs.add(method);
4016	>	// expected.getCause().printStackTrace();
4017	>	}
4018	>	}
4019	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4020	>	}
4021	>	}
4022	>	if (!bugs.isEmpty())
4023	>	throw new Error("Methods did not throw UOE: " + bugs);
4024	>	}
4025	>
4026	>	/**
4027	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4028	>	* is completed normally, with the same value, when source is.
4029		*/
4030	<	public void testWhenComplete_actionFailed() {
4030	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4031		for (boolean createIncomplete : new boolean[] { true, false })
2894	–	for (ExecutionMode m : ExecutionMode.values())
4032		for (Integer v1 : new Integer[] { 1, null })
4033		{
4034	<	final AtomicInteger a = new AtomicInteger(0);
4035	<	final CFException ex = new CFException();
4036	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4037	<	if (!createIncomplete) f.complete(v1);
4038	<	final CompletableFuture<Integer> g = m.whenComplete
4039	<	(f,
4040	<	(Integer x, Throwable t) -> {
4041	<	threadAssertSame(x, v1);
4042	<	threadAssertNull(t);
2906	<	a.getAndIncrement();
2907	<	throw ex;
2908	<	});
2909	<	if (createIncomplete) f.complete(v1);
4034	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4035	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4036	>	if (!createIncomplete) assertTrue(f.complete(v1));
4037	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4038	>	if (createIncomplete) {
4039	>	checkIncomplete(f);
4040	>	checkIncomplete(g);
4041	>	assertTrue(f.complete(v1));
4042	>	}
4043		checkCompletedNormally(f, v1);
4044	<	checkCompletedWithWrappedCFException(g, ex);
2912	<	assertEquals(1, a.get());
4044	>	checkCompletedNormally(g, v1);
4045		}}
4046
4047		/**
4048	<	* If a whenComplete action throws an exception when triggered by
4049	<	* a source completion that also throws an exception, the source
2918	<	* exception takes precedence.
4048	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4049	>	* is completed exceptionally when source is.
4050		*/
4051	<	public void testWhenComplete_actionFailedSourceFailed() {
4051	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4052		for (boolean createIncomplete : new boolean[] { true, false })
4053	<	for (ExecutionMode m : ExecutionMode.values())
4053	>	{
4054	>	CFException ex = new CFException();
4055	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4056	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4057	>	if (!createIncomplete) f.completeExceptionally(ex);
4058	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4059	>	if (createIncomplete) {
4060	>	checkIncomplete(f);
4061	>	checkIncomplete(g);
4062	>	f.completeExceptionally(ex);
4063	>	}
4064	>	checkCompletedExceptionally(f, ex);
4065	>	checkCompletedWithWrappedException(g, ex);
4066	>	}}
4067	>
4068	>	/**
4069	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4070	>	*/
4071	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4072		for (Integer v1 : new Integer[] { 1, null })
4073		{
4074	<	final AtomicInteger a = new AtomicInteger(0);
4075	<	final CFException ex1 = new CFException();
4076	<	final CFException ex2 = new CFException();
4077	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4074	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4075	>	CompletionStage minimal = f.minimalCompletionStage();
4076	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4077	>	assertTrue(g.complete(v1));
4078	>	checkCompletedNormally(g, v1);
4079	>	checkIncomplete(f);
4080	>	checkIncomplete(minimal.toCompletableFuture());
4081	>	}}
4082
4083	<	if (!createIncomplete) f.completeExceptionally(ex1);
4084	<	final CompletableFuture<Integer> g = m.whenComplete
4085	<	(f,
4086	<	(Integer x, Throwable t) -> {
4087	<	threadAssertSame(t, ex1);
4088	<	threadAssertNull(x);
4089	<	a.getAndIncrement();
4090	<	throw ex2;
4091	<	});
4092	<	if (createIncomplete) f.completeExceptionally(ex1);
4083	>	/**
4084	>	* minimalStage.toCompletableFuture().join() awaits completion
4085	>	*/
4086	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4087	>	for (boolean createIncomplete : new boolean[] { true, false })
4088	>	for (Integer v1 : new Integer[] { 1, null })
4089	>	{
4090	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4091	>	if (!createIncomplete) assertTrue(f.complete(v1));
4092	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4093	>	if (createIncomplete) assertTrue(f.complete(v1));
4094	>	assertEquals(v1, minimal.toCompletableFuture().join());
4095	>	assertEquals(v1, minimal.toCompletableFuture().get());
4096	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4097	>	}}
4098
4099	<	checkCompletedWithWrappedCFException(f, ex1);
4100	<	checkCompletedWithWrappedCFException(g, ex1);
4101	<	assertEquals(1, a.get());
4099	>	/**
4100	>	* Completion of a toCompletableFuture copy of a minimal stage
4101	>	* does not complete its source.
4102	>	*/
4103	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4104	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4105	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4106	>	assertTrue(g.toCompletableFuture().complete(1));
4107	>	assertTrue(g.toCompletableFuture().complete(null));
4108	>	assertTrue(g.toCompletableFuture().cancel(true));
4109	>	assertTrue(g.toCompletableFuture().cancel(false));
4110	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4111	>	checkIncomplete(g.toCompletableFuture());
4112	>	f.complete(1);
4113	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4114	>	}
4115	>
4116	>	/** Demo utility method for external reliable toCompletableFuture */
4117	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4118	>	CompletableFuture<T> f = new CompletableFuture<>();
4119	>	stage.handle((T t, Throwable ex) -> {
4120	>	if (ex != null) f.completeExceptionally(ex);
4121	>	else f.complete(t);
4122	>	return null;
4123	>	});
4124	>	return f;
4125	>	}
4126	>
4127	>	/** Demo utility method to join a CompletionStage */
4128	>	static <T> T join(CompletionStage<T> stage) {
4129	>	return toCompletableFuture(stage).join();
4130	>	}
4131	>
4132	>	/**
4133	>	* Joining a minimal stage "by hand" works
4134	>	*/
4135	>	public void testMinimalCompletionStage_join_by_hand() {
4136	>	for (boolean createIncomplete : new boolean[] { true, false })
4137	>	for (Integer v1 : new Integer[] { 1, null })
4138	>	{
4139	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4140	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4141	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4142	>	if (!createIncomplete) assertTrue(f.complete(v1));
4143	>	minimal.thenAccept(x -> g.complete(x));
4144	>	if (createIncomplete) assertTrue(f.complete(v1));
4145	>	g.join();
4146	>	checkCompletedNormally(g, v1);
4147	>	checkCompletedNormally(f, v1);
4148	>	assertEquals(v1, join(minimal));
4149		}}
4150
4151	+	static class Monad {
4152	+	static class ZeroException extends RuntimeException {
4153	+	public ZeroException() { super("monadic zero"); }
4154	+	}
4155	+	// "return", "unit"
4156	+	static <T> CompletableFuture<T> unit(T value) {
4157	+	return completedFuture(value);
4158	+	}
4159	+	// monadic zero ?
4160	+	static <T> CompletableFuture<T> zero() {
4161	+	return failedFuture(new ZeroException());
4162	+	}
4163	+	// >=>
4164	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
4165	+	(Function<T, CompletableFuture<U>> f,
4166	+	Function<U, CompletableFuture<V>> g) {
4167	+	return x -> f.apply(x).thenCompose(g);
4168	+	}
4169	+
4170	+	static void assertZero(CompletableFuture<?> f) {
4171	+	try {
4172	+	f.getNow(null);
4173	+	throw new AssertionFailedError("should throw");
4174	+	} catch (CompletionException success) {
4175	+	assertTrue(success.getCause() instanceof ZeroException);
4176	+	}
4177	+	}
4178	+
4179	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4180	+	CompletableFuture<T> g) {
4181	+	T fval = null, gval = null;
4182	+	Throwable fex = null, gex = null;
4183	+
4184	+	try { fval = f.get(); }
4185	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4186	+	catch (Throwable ex) { fex = ex; }
4187	+
4188	+	try { gval = g.get(); }
4189	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4190	+	catch (Throwable ex) { gex = ex; }
4191	+
4192	+	if (fex != null || gex != null)
4193	+	assertSame(fex.getClass(), gex.getClass());
4194	+	else
4195	+	assertEquals(fval, gval);
4196	+	}
4197	+
4198	+	static class PlusFuture<T> extends CompletableFuture<T> {
4199	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4200	+	}
4201	+
4202	+	/** Implements "monadic plus". */
4203	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4204	+	CompletableFuture<? extends T> g) {
4205	+	PlusFuture<T> plus = new PlusFuture<T>();
4206	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4207	+	try {
4208	+	if (ex == null) {
4209	+	if (plus.complete(result))
4210	+	if (plus.firstFailure.get() != null)
4211	+	plus.firstFailure.set(null);
4212	+	}
4213	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4214	+	if (plus.isDone())
4215	+	plus.firstFailure.set(null);
4216	+	}
4217	+	else {
4218	+	// first failure has precedence
4219	+	Throwable first = plus.firstFailure.getAndSet(null);
4220	+
4221	+	// may fail with "Self-suppression not permitted"
4222	+	try { first.addSuppressed(ex); }
4223	+	catch (Exception ignored) {}
4224	+
4225	+	plus.completeExceptionally(first);
4226	+	}
4227	+	} catch (Throwable unexpected) {
4228	+	plus.completeExceptionally(unexpected);
4229	+	}
4230	+	};
4231	+	f.whenComplete(action);
4232	+	g.whenComplete(action);
4233	+	return plus;
4234	+	}
4235	+	}
4236	+
4237	+	/**
4238	+	* CompletableFuture is an additive monad - sort of.
4239	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4240	+	*/
4241	+	public void testAdditiveMonad() throws Throwable {
4242	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4243	+	CompletableFuture<Long> zero = Monad.zero();
4244	+
4245	+	// Some mutually non-commutative functions
4246	+	Function<Long, CompletableFuture<Long>> triple
4247	+	= x -> Monad.unit(3 * x);
4248	+	Function<Long, CompletableFuture<Long>> inc
4249	+	= x -> Monad.unit(x + 1);
4250	+
4251	+	// unit is a right identity: m >>= unit === m
4252	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4253	+	inc.apply(5L));
4254	+	// unit is a left identity: (unit x) >>= f === f x
4255	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4256	+	inc.apply(5L));
4257	+
4258	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4259	+	Monad.assertFutureEquals(
4260	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4261	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4262	+
4263	+	// The case for CompletableFuture as an additive monad is weaker...
4264	+
4265	+	// zero is a monadic zero
4266	+	Monad.assertZero(zero);
4267	+
4268	+	// left zero: zero >>= f === zero
4269	+	Monad.assertZero(zero.thenCompose(inc));
4270	+	// right zero: f >>= (\x -> zero) === zero
4271	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4272	+
4273	+	// f plus zero === f
4274	+	Monad.assertFutureEquals(Monad.unit(5L),
4275	+	Monad.plus(Monad.unit(5L), zero));
4276	+	// zero plus f === f
4277	+	Monad.assertFutureEquals(Monad.unit(5L),
4278	+	Monad.plus(zero, Monad.unit(5L)));
4279	+	// zero plus zero === zero
4280	+	Monad.assertZero(Monad.plus(zero, zero));
4281	+	{
4282	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4283	+	Monad.unit(8L));
4284	+	// non-determinism
4285	+	assertTrue(f.get() == 5L || f.get() == 8L);
4286	+	}
4287	+
4288	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4289	+	// f plus godot === f (doesn't wait for godot)
4290	+	Monad.assertFutureEquals(Monad.unit(5L),
4291	+	Monad.plus(Monad.unit(5L), godot));
4292	+	// godot plus f === f (doesn't wait for godot)
4293	+	Monad.assertFutureEquals(Monad.unit(5L),
4294	+	Monad.plus(godot, Monad.unit(5L)));
4295	+	}
4296	+
4297	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4298	+	public void testRecursiveChains() throws Throwable {
4299	+	for (ExecutionMode m : ExecutionMode.values())
4300	+	for (boolean addDeadEnds : new boolean[] { true, false })
4301	+	{
4302	+	final int val = 42;
4303	+	final int n = expensiveTests ? 1_000 : 2;
4304	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4305	+	CompletableFuture<Integer> tail = head;
4306	+	for (int i = 0; i < n; i++) {
4307	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4308	+	tail = m.thenApply(tail, v -> v + 1);
4309	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4310	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4311	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4312	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4313	+	}
4314	+	head.complete(val);
4315	+	assertEquals(val + 3 * n, (int) tail.join());
4316	+	}}
4317	+
4318	+	/**
4319	+	* A single CompletableFuture with many dependents.
4320	+	* A demo of scalability - runtime is O(n).
4321	+	*/
4322	+	public void testManyDependents() throws Throwable {
4323	+	final int n = expensiveTests ? 1_000_000 : 10;
4324	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4325	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4326	+	final AtomicInteger count = new AtomicInteger(0);
4327	+	for (int i = 0; i < n; i++) {
4328	+	head.thenRun(() -> count.getAndIncrement());
4329	+	head.thenAccept(x -> count.getAndIncrement());
4330	+	head.thenApply(x -> count.getAndIncrement());
4331	+
4332	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4333	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4334	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4335	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4336	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4337	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4338	+
4339	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4340	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4341	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4342	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4343	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4344	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4345	+	}
4346	+	head.complete(null);
4347	+	assertEquals(5 * 3 * n, count.get());
4348	+	}
4349	+
4350	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4351	+	public void testCoCompletionGarbageRetention() throws Throwable {
4352	+	final int n = expensiveTests ? 1_000_000 : 10;
4353	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4354	+	CompletableFuture<Integer> f;
4355	+	for (int i = 0; i < n; i++) {
4356	+	f = new CompletableFuture<>();
4357	+	f.runAfterEither(incomplete, () -> {});
4358	+	f.complete(null);
4359	+
4360	+	f = new CompletableFuture<>();
4361	+	f.acceptEither(incomplete, x -> {});
4362	+	f.complete(null);
4363	+
4364	+	f = new CompletableFuture<>();
4365	+	f.applyToEither(incomplete, x -> x);
4366	+	f.complete(null);
4367	+
4368	+	f = new CompletableFuture<>();
4369	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4370	+	f.complete(null);
4371	+	}
4372	+
4373	+	for (int i = 0; i < n; i++) {
4374	+	f = new CompletableFuture<>();
4375	+	incomplete.runAfterEither(f, () -> {});
4376	+	f.complete(null);
4377	+
4378	+	f = new CompletableFuture<>();
4379	+	incomplete.acceptEither(f, x -> {});
4380	+	f.complete(null);
4381	+
4382	+	f = new CompletableFuture<>();
4383	+	incomplete.applyToEither(f, x -> x);
4384	+	f.complete(null);
4385	+
4386	+	f = new CompletableFuture<>();
4387	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4388	+	f.complete(null);
4389	+	}
4390	+	}
4391	+
4392	+	/**
4393	+	* Reproduction recipe for:
4394	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4395	+	* cvs update -D '2016-05-01' ./src/main/java/util/concurrent/CompletableFuture.java && ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testAnyOfGarbageRetention tck; cvs update -A
4396	+	*/
4397	+	public void testAnyOfGarbageRetention() throws Throwable {
4398	+	for (Integer v : new Integer[] { 1, null })
4399	+	{
4400	+	final int n = expensiveTests ? 100_000 : 10;
4401	+	CompletableFuture<Integer>[] fs
4402	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4403	+	for (int i = 0; i < fs.length; i++)
4404	+	fs[i] = new CompletableFuture<>();
4405	+	fs[fs.length - 1].complete(v);
4406	+	for (int i = 0; i < n; i++)
4407	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4408	+	}}
4409	+
4410	+	/**
4411	+	* Checks for garbage retention with allOf.
4412	+	*
4413	+	* As of 2016-07, fails with OOME:
4414	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4415	+	*/
4416	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4417	+	final int n = expensiveTests ? 100_000 : 10;
4418	+	CompletableFuture<Integer>[] fs
4419	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4420	+	for (int i = 0; i < fs.length; i++)
4421	+	fs[i] = new CompletableFuture<>();
4422	+	for (int i = 0; i < n; i++)
4423	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4424	+	}
4425	+
4426	+	/**
4427	+	* Checks for garbage retention when a dependent future is
4428	+	* cancelled and garbage-collected.
4429	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4430	+	*
4431	+	* As of 2016-07, fails with OOME:
4432	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4433	+	*/
4434	+	public void testCancelledGarbageRetention() throws Throwable {
4435	+	final int n = expensiveTests ? 100_000 : 10;
4436	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4437	+	for (int i = 0; i < n; i++)
4438	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4439	+	}
4440	+
4441	+	/**
4442	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4443	+	* is invoked many times.
4444	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4445	+	*
4446	+	* As of 2016-07, fails with OOME:
4447	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4448	+	*/
4449	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4450	+	final int n = expensiveTests ? 900_000 : 10;
4451	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4452	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4453	+	for (int i = 0; i < n; i++)
4454	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4455	+	}
4456	+
4457	+	//     static <U> U join(CompletionStage<U> stage) {
4458	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4459	+	//         stage.whenComplete((v, ex) -> {
4460	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4461	+	//         });
4462	+	//         return f.join();
4463	+	//     }
4464	+
4465	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4466	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4467	+	//         stage.whenComplete((v, ex) -> {
4468	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4469	+	//         });
4470	+	//         return f.isDone();
4471	+	//     }
4472	+
4473	+	//     static <U> U join2(CompletionStage<U> stage) {
4474	+	//         return stage.toCompletableFuture().copy().join();
4475	+	//     }
4476	+
4477	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4478	+	//         return stage.toCompletableFuture().copy().isDone();
4479	+	//     }
4480	+
4481		}

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