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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.51 by jsr166, Mon Jun 2 19:49:28 2014 UTC vs.
Revision 1.186 by jsr166, Mon Jul 3 20:55:45 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());
269	<	checkCompletedWithWrappedCFException(f);
276	>	for (Integer v1 : new Integer[] { 1, null })
277	>	{
278	>	CFException ex;
279	>	CompletableFuture<Integer> f;
280	>
281		f = new CompletableFuture<>();
282	<	f.obtrudeException(new CFException());
283	<	checkCompletedWithWrappedCFException(f);
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	+	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());
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());
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	<	// Choose non-commutative actions for better coverage
360	>	abstract static class CheckedAction {
361	>	int invocationCount = 0;
362	>	final ExecutionMode m;
363	>	CheckedAction(ExecutionMode m) { this.m = m; }
364	>	void invoked() {
365	>	m.checkExecutionMode();
366	>	assertEquals(0, invocationCount++);
367	>	}
368	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
369	>	void assertInvoked() { assertEquals(1, invocationCount); }
370	>	}
371
372	<	// A non-commutative function that handles and produces null values as well.
373	<	static Integer subtract(Integer x, Integer y) {
374	<	return (x == null && y == null) ? null :
375	<	((x == null) ? 42 : x.intValue())
376	<	- ((y == null) ? 99 : y.intValue());
372	>	abstract static class CheckedIntegerAction extends CheckedAction {
373	>	Integer value;
374	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
375	>	void assertValue(Integer expected) {
376	>	assertInvoked();
377	>	assertEquals(expected, value);
378	>	}
379	>	}
380	>
381	>	static class IntegerSupplier extends CheckedAction
382	>	implements Supplier<Integer>
383	>	{
384	>	final Integer value;
385	>	IntegerSupplier(ExecutionMode m, Integer value) {
386	>	super(m);
387	>	this.value = value;
388	>	}
389	>	public Integer get() {
390	>	invoked();
391	>	return value;
392	>	}
393		}
394
395		// A function that handles and produces null values as well.
#	Line 334 | Line 397 | public class CompletableFutureTest exten
397		return (x == null) ? null : x + 1;
398		}
399
400	<	static final Supplier<Integer> supplyOne =
401	<	() -> Integer.valueOf(1);
402	<	static final Function<Integer, Integer> inc =
403	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
341	<	static final BiFunction<Integer, Integer, Integer> subtract =
342	<	(Integer x, Integer y) -> subtract(x, y);
343	<	static final class IncAction implements Consumer<Integer> {
344	<	int invocationCount = 0;
345	<	Integer value;
400	>	static class NoopConsumer extends CheckedIntegerAction
401	>	implements Consumer<Integer>
402	>	{
403	>	NoopConsumer(ExecutionMode m) { super(m); }
404		public void accept(Integer x) {
405	<	invocationCount++;
406	<	value = inc(x);
405	>	invoked();
406	>	value = x;
407		}
408		}
409	<	static final class IncFunction implements Function<Integer,Integer> {
410	<	int invocationCount = 0;
411	<	Integer value;
409	>
410	>	static class IncFunction extends CheckedIntegerAction
411	>	implements Function<Integer,Integer>
412	>	{
413	>	IncFunction(ExecutionMode m) { super(m); }
414		public Integer apply(Integer x) {
415	<	invocationCount++;
415	>	invoked();
416		return value = inc(x);
417		}
418		}
419	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
420	<	int invocationCount = 0;
421	<	Integer value;
422	<	// Check this action was invoked exactly once when result is computed.
419	>
420	>	// Choose non-commutative actions for better coverage
421	>	// A non-commutative function that handles and produces null values as well.
422	>	static Integer subtract(Integer x, Integer y) {
423	>	return (x == null && y == null) ? null :
424	>	((x == null) ? 42 : x.intValue())
425	>	- ((y == null) ? 99 : y.intValue());
426	>	}
427	>
428	>	static class SubtractAction extends CheckedIntegerAction
429	>	implements BiConsumer<Integer, Integer>
430	>	{
431	>	SubtractAction(ExecutionMode m) { super(m); }
432		public void accept(Integer x, Integer y) {
433	<	invocationCount++;
433	>	invoked();
434		value = subtract(x, y);
435		}
436		}
437	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
438	<	int invocationCount = 0;
439	<	Integer value;
440	<	// Check this action was invoked exactly once when result is computed.
437	>
438	>	static class SubtractFunction extends CheckedIntegerAction
439	>	implements BiFunction<Integer, Integer, Integer>
440	>	{
441	>	SubtractFunction(ExecutionMode m) { super(m); }
442		public Integer apply(Integer x, Integer y) {
443	<	invocationCount++;
443	>	invoked();
444		return value = subtract(x, y);
445		}
446		}
447	<	static final class Noop implements Runnable {
448	<	int invocationCount = 0;
447	>
448	>	static class Noop extends CheckedAction implements Runnable {
449	>	Noop(ExecutionMode m) { super(m); }
450		public void run() {
451	<	invocationCount++;
451	>	invoked();
452		}
453		}
454
455	<	static final class FailingSupplier implements Supplier<Integer> {
456	<	int invocationCount = 0;
455	>	static class FailingSupplier extends CheckedAction
456	>	implements Supplier<Integer>
457	>	{
458	>	final CFException ex;
459	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
460		public Integer get() {
461	<	invocationCount++;
462	<	throw new CFException();
461	>	invoked();
462	>	throw ex;
463		}
464		}
465	<	static final class FailingConsumer implements Consumer<Integer> {
466	<	int invocationCount = 0;
465	>
466	>	static class FailingConsumer extends CheckedIntegerAction
467	>	implements Consumer<Integer>
468	>	{
469	>	final CFException ex;
470	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
471		public void accept(Integer x) {
472	<	invocationCount++;
473	<	throw new CFException();
472	>	invoked();
473	>	value = x;
474	>	throw ex;
475		}
476		}
477	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
478	<	int invocationCount = 0;
477	>
478	>	static class FailingBiConsumer extends CheckedIntegerAction
479	>	implements BiConsumer<Integer, Integer>
480	>	{
481	>	final CFException ex;
482	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
483		public void accept(Integer x, Integer y) {
484	<	invocationCount++;
485	<	throw new CFException();
484	>	invoked();
485	>	value = subtract(x, y);
486	>	throw ex;
487		}
488		}
489	<	static final class FailingFunction implements Function<Integer, Integer> {
490	<	int invocationCount = 0;
489	>
490	>	static class FailingFunction extends CheckedIntegerAction
491	>	implements Function<Integer, Integer>
492	>	{
493	>	final CFException ex;
494	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
495		public Integer apply(Integer x) {
496	<	invocationCount++;
497	<	throw new CFException();
496	>	invoked();
497	>	value = x;
498	>	throw ex;
499		}
500		}
501	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
502	<	int invocationCount = 0;
501	>
502	>	static class FailingBiFunction extends CheckedIntegerAction
503	>	implements BiFunction<Integer, Integer, Integer>
504	>	{
505	>	final CFException ex;
506	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
507		public Integer apply(Integer x, Integer y) {
508	<	invocationCount++;
509	<	throw new CFException();
508	>	invoked();
509	>	value = subtract(x, y);
510	>	throw ex;
511		}
512		}
513	<	static final class FailingRunnable implements Runnable {
514	<	int invocationCount = 0;
513	>
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	<	invocationCount++;
519	<	throw new CFException();
518	>	invoked();
519	>	throw ex;
520		}
521		}
522
523	<	static final class CompletableFutureInc
524	<	implements Function<Integer, CompletableFuture<Integer>> {
525	<	int invocationCount = 0;
523	>	static class CompletableFutureInc extends CheckedIntegerAction
524	>	implements Function<Integer, CompletableFuture<Integer>>
525	>	{
526	>	CompletableFutureInc(ExecutionMode m) { super(m); }
527		public CompletableFuture<Integer> apply(Integer x) {
528	<	invocationCount++;
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	<	static final class FailingCompletableFutureFunction
537	<	implements Function<Integer, CompletableFuture<Integer>> {
538	<	int invocationCount = 0;
536	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
537	>	implements Function<Integer, CompletableFuture<Integer>>
538	>	{
539	>	final CFException ex;
540	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
541		public CompletableFuture<Integer> apply(Integer x) {
542	<	invocationCount++;
543	<	throw new CFException();
542	>	invoked();
543	>	value = x;
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
557		// Used for explicit executor tests
558		static final class ThreadExecutor implements Executor {
559	<	AtomicInteger count = new AtomicInteger(0);
559	>	final AtomicInteger count = new AtomicInteger(0);
560	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
561	>	static boolean startedCurrentThread() {
562	>	return Thread.currentThread().getThreadGroup() == tg;
563	>	}
564
565		public void execute(Runnable r) {
566		count.getAndIncrement();
567	<	new Thread(r).start();
567	>	new Thread(tg, r).start();
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 repeating all the testing code.
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());
583		}
584	+	public CompletableFuture<Void> runAsync(Runnable a) {
585	+	throw new UnsupportedOperationException();
586	+	}
587	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
588	+	throw new UnsupportedOperationException();
589	+	}
590		public <T> CompletableFuture<Void> thenRun
591		(CompletableFuture<T> f, Runnable a) {
592		return f.thenRun(a);
#	Line 528 | 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);
660	>	}
661	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
662	>	return CompletableFuture.supplyAsync(a);
663		}
664		public <T> CompletableFuture<Void> thenRun
665		(CompletableFuture<T> f, Runnable a) {
#	Line 596 | Line 726 | public class CompletableFutureTest exten
726
727		EXECUTOR {
728		public void checkExecutionMode() {
729	<	//TODO
729	>	assertTrue(ThreadExecutor.startedCurrentThread());
730	>	}
731	>	public CompletableFuture<Void> runAsync(Runnable a) {
732	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
733	>	}
734	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
735	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
736		}
737		public <T> CompletableFuture<Void> thenRun
738		(CompletableFuture<T> f, Runnable a) {
#	Line 662 | Line 798 | public class CompletableFutureTest exten
798		};
799
800		public abstract void checkExecutionMode();
801	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
802	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
803		public abstract <T> CompletableFuture<Void> thenRun
804		(CompletableFuture<T> f, Runnable a);
805		public abstract <T> CompletableFuture<Void> thenAccept
#	Line 711 | 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) -> {
717	–	// 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
728	–
866		/**
867		* exceptionally action completes with function value on source
868		* exception
#	Line 740 | Line 877 | public class CompletableFutureTest exten
877		if (!createIncomplete) f.completeExceptionally(ex);
878		final CompletableFuture<Integer> g = f.exceptionally
879		((Throwable t) -> {
880	+	ExecutionMode.SYNC.checkExecutionMode();
881		threadAssertSame(t, ex);
882		a.getAndIncrement();
883		return v1;
#	Line 750 | 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 })
755	–	for (Integer v1 : new Integer[] { 1, null })
897		{
898		final AtomicInteger a = new AtomicInteger(0);
899		final CFException ex1 = new CFException();
#	Line 761 | Line 902 | public class CompletableFutureTest exten
902		if (!createIncomplete) f.completeExceptionally(ex1);
903		final CompletableFuture<Integer> g = f.exceptionally
904		((Throwable t) -> {
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 782 | 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) -> {
1077	<	threadAssertSame(x, v1);
1076	>	(Integer result, Throwable t) -> {
1077	>	m.checkExecutionMode();
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 813 | 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) -> {
1106	<	threadAssertNull(x);
1105	>	(Integer result, Throwable t) -> {
1106	>	m.checkExecutionMode();
1107	>	threadAssertNull(result);
1108		threadAssertSame(t, ex);
1109		a.getAndIncrement();
1110		return v1;
#	Line 822 | 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 841 | 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) -> {
1135	<	threadAssertNull(x);
1134	>	(Integer result, Throwable t) -> {
1135	>	m.checkExecutionMode();
1136	>	threadAssertNull(result);
1137		threadAssertTrue(t instanceof CancellationException);
1138		a.getAndIncrement();
1139		return v1;
#	Line 855 | 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();
868	<	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) -> {
1164	<	threadAssertNull(x);
1165	<	threadAssertSame(ex1, t);
1163	>	(Integer result, Throwable t) -> {
1164	>	m.checkExecutionMode();
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		{
889	–	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) -> {
1195	<	threadAssertSame(x, v1);
1196	<	threadAssertNull(t);
1194	>	(Integer result, Throwable t) -> {
1195	>	m.checkExecutionMode();
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
1208		/**
1209		* runAsync completes after running Runnable
1210		*/
1211	<	public void testRunAsync() {
1212	<	Noop r = new Noop();
1213	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1214	<	assertNull(f.join());
1215	<	assertEquals(1, r.invocationCount);
1216	<	checkCompletedNormally(f, null);
1217	<	}
1218	<
1219	<	/**
920	<	* runAsync with executor completes after running Runnable
921	<	*/
922	<	public void testRunAsync2() {
923	<	Noop r = new Noop();
924	<	ThreadExecutor exec = new ThreadExecutor();
925	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
1211	>	public void testRunAsync_normalCompletion() {
1212	>	ExecutionMode[] executionModes = {
1213	>	ExecutionMode.ASYNC,
1214	>	ExecutionMode.EXECUTOR,
1215	>	};
1216	>	for (ExecutionMode m : executionModes)
1217	>	{
1218	>	final Noop r = new Noop(m);
1219	>	final CompletableFuture<Void> f = m.runAsync(r);
1220		assertNull(f.join());
927	–	assertEquals(1, r.invocationCount);
1221		checkCompletedNormally(f, null);
1222	<	assertEquals(1, exec.count.get());
1223	<	}
1222	>	r.assertInvoked();
1223	>	}}
1224
1225		/**
1226		* failing runAsync completes exceptionally after running Runnable
1227		*/
1228	<	public void testRunAsync3() {
1229	<	FailingRunnable r = new FailingRunnable();
1230	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1231	<	checkCompletedWithWrappedCFException(f);
1232	<	assertEquals(1, r.invocationCount);
1233	<	}
1228	>	public void testRunAsync_exceptionalCompletion() {
1229	>	ExecutionMode[] executionModes = {
1230	>	ExecutionMode.ASYNC,
1231	>	ExecutionMode.EXECUTOR,
1232	>	};
1233	>	for (ExecutionMode m : executionModes)
1234	>	{
1235	>	final FailingRunnable r = new FailingRunnable(m);
1236	>	final CompletableFuture<Void> f = m.runAsync(r);
1237	>	checkCompletedWithWrappedException(f, r.ex);
1238	>	r.assertInvoked();
1239	>	}}
1240
1241	<	/**
1242	<	* supplyAsync completes with result of supplier
1243	<	*/
1244	<	public void testSupplyAsync() {
1245	<	CompletableFuture<Integer> f;
1246	<	f = CompletableFuture.supplyAsync(supplyOne);
1247	<	assertEquals(f.join(), one);
1248	<	checkCompletedNormally(f, one);
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 with executor completes with result of supplier
1254	>	* supplyAsync completes with result of supplier
1255		*/
1256	<	public void testSupplyAsync2() {
1257	<	CompletableFuture<Integer> f;
1258	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1259	<	assertEquals(f.join(), one);
1260	<	checkCompletedNormally(f, one);
1261	<	}
1256	>	public void testSupplyAsync_normalCompletion() {
1257	>	ExecutionMode[] executionModes = {
1258	>	ExecutionMode.ASYNC,
1259	>	ExecutionMode.EXECUTOR,
1260	>	};
1261	>	for (ExecutionMode m : executionModes)
1262	>	for (Integer v1 : new Integer[] { 1, null })
1263	>	{
1264	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1265	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1266	>	assertSame(v1, f.join());
1267	>	checkCompletedNormally(f, v1);
1268	>	r.assertInvoked();
1269	>	}}
1270
1271		/**
1272		* Failing supplyAsync completes exceptionally
1273		*/
1274	<	public void testSupplyAsync3() {
1275	<	FailingSupplier r = new FailingSupplier();
1276	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1277	<	checkCompletedWithWrappedCFException(f);
1278	<	assertEquals(1, r.invocationCount);
1274	>	public void testSupplyAsync_exceptionalCompletion() {
1275	>	ExecutionMode[] executionModes = {
1276	>	ExecutionMode.ASYNC,
1277	>	ExecutionMode.EXECUTOR,
1278	>	};
1279	>	for (ExecutionMode m : executionModes)
1280	>	{
1281	>	FailingSupplier r = new FailingSupplier(m);
1282	>	CompletableFuture<Integer> f = m.supplyAsync(r);
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
#	Line 976 | Line 1303 | public class CompletableFutureTest exten
1303		*/
1304		public void testThenRun_normalCompletion() {
1305		for (ExecutionMode m : ExecutionMode.values())
979	–	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();
1310	<	if (!createIncomplete) f.complete(v1);
985	<	final CompletableFuture<Void> g = m.thenRun(f, r);
986	<	if (createIncomplete) {
987	<	checkIncomplete(g);
988	<	f.complete(v1);
989	<	}
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	<	assertEquals(1, r.invocationCount);
1330	>	for (Noop r : rs) r.assertInvoked();
1331		}}
1332
1333		/**
#	Line 999 | Line 1336 | public class CompletableFutureTest exten
1336		*/
1337		public void testThenRun_exceptionalCompletion() {
1338		for (ExecutionMode m : ExecutionMode.values())
1002	–	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();
1343	<	if (!createIncomplete) f.completeExceptionally(ex);
1008	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1009	<	if (createIncomplete) {
1010	<	checkIncomplete(g);
1011	<	f.completeExceptionally(ex);
1012	<	}
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	<	assertEquals(0, r.invocationCount);
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 1021 | Line 1368 | public class CompletableFutureTest exten
1368		*/
1369		public void testThenRun_sourceCancelled() {
1370		for (ExecutionMode m : ExecutionMode.values())
1024	–	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();
1375	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1030	<	final CompletableFuture<Void> g = f.thenRun(r);
1031	<	if (createIncomplete) {
1032	<	checkIncomplete(g);
1033	<	assertTrue(f.cancel(mayInterruptIfRunning));
1034	<	}
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	<	assertEquals(0, r.invocationCount);
1395	>	for (Noop r : rs) r.assertNotInvoked();
1396		}}
1397
1398		/**
#	Line 1043 | Line 1400 | public class CompletableFutureTest exten
1400		*/
1401		public void testThenRun_actionFailed() {
1402		for (ExecutionMode m : ExecutionMode.values())
1046	–	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();
1407	<	if (!createIncomplete) f.complete(v1);
1052	<	final CompletableFuture<Void> g = f.thenRun(r);
1053	<	if (createIncomplete) {
1054	<	checkIncomplete(g);
1055	<	f.complete(v1);
1056	<	}
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 1064 | Line 1428 | public class CompletableFutureTest exten
1428		*/
1429		public void testThenApply_normalCompletion() {
1430		for (ExecutionMode m : ExecutionMode.values())
1067	–	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();
1435	<	if (!createIncomplete) f.complete(v1);
1073	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1074	<	if (createIncomplete) {
1075	<	checkIncomplete(g);
1076	<	f.complete(v1);
1077	<	}
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	<	assertEquals(1, r.invocationCount);
1450	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1451		}}
1452
1453		/**
#	Line 1087 | Line 1456 | public class CompletableFutureTest exten
1456		*/
1457		public void testThenApply_exceptionalCompletion() {
1458		for (ExecutionMode m : ExecutionMode.values())
1090	–	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();
1463	<	if (!createIncomplete) f.completeExceptionally(ex);
1096	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1097	<	if (createIncomplete) {
1098	<	checkIncomplete(g);
1099	<	f.completeExceptionally(ex);
1100	<	}
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	<	assertEquals(0, r.invocationCount);
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 1109 | Line 1481 | public class CompletableFutureTest exten
1481		*/
1482		public void testThenApply_sourceCancelled() {
1483		for (ExecutionMode m : ExecutionMode.values())
1112	–	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();
1488	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1118	<	final CompletableFuture<Integer> g = f.thenApply(r);
1119	<	if (createIncomplete) {
1120	<	checkIncomplete(g);
1121	<	assertTrue(f.cancel(mayInterruptIfRunning));
1122	<	}
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	<	assertEquals(0, r.invocationCount);
1501	>	for (IncFunction r : rs) r.assertNotInvoked();
1502		}}
1503
1504		/**
#	Line 1131 | Line 1506 | public class CompletableFutureTest exten
1506		*/
1507		public void testThenApply_actionFailed() {
1508		for (ExecutionMode m : ExecutionMode.values())
1134	–	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();
1513	<	if (!createIncomplete) f.complete(v1);
1140	<	final CompletableFuture<Integer> g = f.thenApply(r);
1141	<	if (createIncomplete) {
1142	<	checkIncomplete(g);
1143	<	f.complete(v1);
1144	<	}
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 1152 | Line 1530 | public class CompletableFutureTest exten
1530		*/
1531		public void testThenAccept_normalCompletion() {
1532		for (ExecutionMode m : ExecutionMode.values())
1155	–	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 IncAction r = new IncAction();
1537	<	if (!createIncomplete) f.complete(v1);
1161	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1162	<	if (createIncomplete) {
1163	<	checkIncomplete(g);
1164	<	f.complete(v1);
1165	<	}
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);
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	<	assertEquals(1, r.invocationCount);
1170	<	assertEquals(inc(v1), r.value);
1552	>	for (NoopConsumer r : rs) r.assertValue(v1);
1553		}}
1554
1555		/**
#	Line 1176 | Line 1558 | public class CompletableFutureTest exten
1558		*/
1559		public void testThenAccept_exceptionalCompletion() {
1560		for (ExecutionMode m : ExecutionMode.values())
1179	–	for (boolean createIncomplete : new boolean[] { true, false })
1561		{
1562		final CFException ex = new CFException();
1563		final CompletableFuture<Integer> f = new CompletableFuture<>();
1564	<	final IncAction r = new IncAction();
1565	<	if (!createIncomplete) f.completeExceptionally(ex);
1185	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1186	<	if (createIncomplete) {
1187	<	checkIncomplete(g);
1188	<	f.completeExceptionally(ex);
1189	<	}
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	<	assertEquals(0, r.invocationCount);
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		/**
1582	<	* thenAccept result completes exceptionally if action does
1582	>	* thenAccept result completes exceptionally if source cancelled
1583		*/
1584	<	public void testThenAccept_actionFailed() {
1584	>	public void testThenAccept_sourceCancelled() {
1585		for (ExecutionMode m : ExecutionMode.values())
1586	<	for (boolean createIncomplete : new boolean[] { true, false })
1202	<	for (Integer v1 : new Integer[] { 1, null })
1586	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1587		{
1588		final CompletableFuture<Integer> f = new CompletableFuture<>();
1589	<	final FailingConsumer r = new FailingConsumer();
1590	<	if (!createIncomplete) f.complete(v1);
1207	<	final CompletableFuture<Void> g = f.thenAccept(r);
1208	<	if (createIncomplete) {
1209	<	checkIncomplete(g);
1210	<	f.complete(v1);
1211	<	}
1589	>	final NoopConsumer[] rs = new NoopConsumer[4];
1590	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1591
1592	<	checkCompletedWithWrappedCFException(g);
1593	<	checkCompletedNormally(f, v1);
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	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1604		}}
1605
1606		/**
1607	<	* thenAccept result completes exceptionally if source cancelled
1607	>	* thenAccept result completes exceptionally if action does
1608		*/
1609	<	public void testThenAccept_sourceCancelled() {
1609	>	public void testThenAccept_actionFailed() {
1610		for (ExecutionMode m : ExecutionMode.values())
1611	<	for (boolean createIncomplete : new boolean[] { true, false })
1223	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1611	>	for (Integer v1 : new Integer[] { 1, null })
1612		{
1613		final CompletableFuture<Integer> f = new CompletableFuture<>();
1614	<	final IncAction r = new IncAction();
1615	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1228	<	final CompletableFuture<Void> g = f.thenAccept(r);
1229	<	if (createIncomplete) {
1230	<	checkIncomplete(g);
1231	<	assertTrue(f.cancel(mayInterruptIfRunning));
1232	<	}
1614	>	final FailingConsumer[] rs = new FailingConsumer[4];
1615	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1616
1617	<	checkCompletedWithWrappedCancellationException(g);
1618	<	checkCancelled(f);
1619	<	assertEquals(0, r.invocationCount);
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
1630		/**
#	Line 1242 | Line 1633 | public class CompletableFutureTest exten
1633		*/
1634		public void testThenCombine_normalCompletion() {
1635		for (ExecutionMode m : ExecutionMode.values())
1245	–	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();
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	<	assertEquals(0, r.invocationCount);
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
1264	–	checkCompletedNormally(h, subtract(v1, v2));
1671		checkCompletedNormally(f, v1);
1672		checkCompletedNormally(g, v2);
1267	–	assertEquals(1, r.invocationCount);
1673		}}
1674
1675		/**
1676		* thenCombine result completes exceptionally after exceptional
1677		* completion of either source
1678		*/
1679	<	public void testThenCombine_exceptionalCompletion1() {
1275	<	for (ExecutionMode m : ExecutionMode.values())
1276	<	for (Integer v1 : new Integer[] { 1, null })
1277	<	{
1278	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1279	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1280	<	final SubtractFunction r = new SubtractFunction();
1281	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1282	<	final CFException ex = new CFException();
1283	<
1284	<	f.completeExceptionally(ex);
1285	<	checkIncomplete(h);
1286	<	g.complete(v1);
1287	<
1288	<	checkCompletedWithWrappedCFException(h, ex);
1289	<	checkCompletedWithWrappedCFException(f, ex);
1290	<	assertEquals(0, r.invocationCount);
1291	<	checkCompletedNormally(g, v1);
1292	<	}}
1293	<
1294	<	public void testThenCombine_exceptionalCompletion2() {
1295	<	for (ExecutionMode m : ExecutionMode.values())
1296	<	for (Integer v1 : new Integer[] { 1, null })
1297	<	{
1298	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1299	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1300	<	final SubtractFunction r = new SubtractFunction();
1301	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1302	<	final CFException ex = new CFException();
1303	<
1304	<	g.completeExceptionally(ex);
1305	<	checkIncomplete(h);
1306	<	f.complete(v1);
1307	<
1308	<	checkCompletedWithWrappedCFException(h, ex);
1309	<	checkCompletedWithWrappedCFException(g, ex);
1310	<	assertEquals(0, r.invocationCount);
1311	<	checkCompletedNormally(f, v1);
1312	<	}}
1313	<
1314	<	public void testThenCombine_exceptionalCompletion3() {
1679	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1680		for (ExecutionMode m : ExecutionMode.values())
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<>();
1320	–	final SubtractFunction r = new SubtractFunction();
1687		final CFException ex = new CFException();
1688	<
1689	<	g.completeExceptionally(ex);
1690	<	f.complete(v1);
1691	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1692	<
1693	<	checkCompletedWithWrappedCFException(h, ex);
1694	<	checkCompletedWithWrappedCFException(g, ex);
1695	<	assertEquals(0, r.invocationCount);
1696	<	checkCompletedNormally(f, v1);
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	<	public void testThenCombine_exceptionalCompletion4() {
1719	>	/**
1720	>	* thenCombine result completes exceptionally if either source cancelled
1721	>	*/
1722	>	public void testThenCombine_sourceCancelled() throws Throwable {
1723		for (ExecutionMode m : ExecutionMode.values())
1724	+	for (boolean mayInterruptIfRunning : 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();
1732	<	final CFException ex = new CFException();
1733	<
1734	<	f.completeExceptionally(ex);
1735	<	g.complete(v1);
1736	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1737	<
1738	<	checkCompletedWithWrappedCFException(h, ex);
1739	<	checkCompletedWithWrappedCFException(f, ex);
1740	<	assertEquals(0, r.invocationCount);
1741	<	checkCompletedNormally(g, v1);
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(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		/**
1763		* thenCombine result completes exceptionally if action does
1764		*/
1765	<	public void testThenCombine_actionFailed1() {
1356	<	for (ExecutionMode m : ExecutionMode.values())
1357	<	for (Integer v1 : new Integer[] { 1, null })
1358	<	for (Integer v2 : new Integer[] { 2, null })
1359	<	{
1360	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1361	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1362	<	final FailingBiFunction r = new FailingBiFunction();
1363	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1364	<
1365	<	f.complete(v1);
1366	<	checkIncomplete(h);
1367	<	g.complete(v2);
1368	<
1369	<	checkCompletedWithWrappedCFException(h);
1370	<	checkCompletedNormally(f, v1);
1371	<	checkCompletedNormally(g, v2);
1372	<	}}
1373	<
1374	<	public void testThenCombine_actionFailed2() {
1765	>	public void testThenCombine_actionFailed() {
1766		for (ExecutionMode m : ExecutionMode.values())
1767	+	for (boolean fFirst : new boolean[] { true, false })
1768		for (Integer v1 : new Integer[] { 1, null })
1769		for (Integer v2 : new Integer[] { 2, null })
1770		{
1771		final CompletableFuture<Integer> f = new CompletableFuture<>();
1772		final CompletableFuture<Integer> g = new CompletableFuture<>();
1773	<	final FailingBiFunction r = new FailingBiFunction();
1774	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1775	<
1776	<	g.complete(v2);
1777	<	checkIncomplete(h);
1778	<	f.complete(v1);
1779	<
1780	<	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		}}
1797
1798		/**
1394	–	* thenCombine result completes exceptionally if either source cancelled
1395	–	*/
1396	–	public void testThenCombine_sourceCancelled1() {
1397	–	for (ExecutionMode m : ExecutionMode.values())
1398	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1399	–	for (Integer v1 : new Integer[] { 1, null })
1400	–	{
1401	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1402	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1403	–	final SubtractFunction r = new SubtractFunction();
1404	–	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1405	–
1406	–	assertTrue(f.cancel(mayInterruptIfRunning));
1407	–	checkIncomplete(h);
1408	–	g.complete(v1);
1409	–
1410	–	checkCompletedWithWrappedCancellationException(h);
1411	–	checkCancelled(f);
1412	–	assertEquals(0, r.invocationCount);
1413	–	checkCompletedNormally(g, v1);
1414	–	}}
1415	–
1416	–	public void testThenCombine_sourceCancelled2() {
1417	–	for (ExecutionMode m : ExecutionMode.values())
1418	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1419	–	for (Integer v1 : new Integer[] { 1, null })
1420	–	{
1421	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1422	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1423	–	final SubtractFunction r = new SubtractFunction();
1424	–	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1425	–
1426	–	assertTrue(g.cancel(mayInterruptIfRunning));
1427	–	checkIncomplete(h);
1428	–	f.complete(v1);
1429	–
1430	–	checkCompletedWithWrappedCancellationException(h);
1431	–	checkCancelled(g);
1432	–	assertEquals(0, r.invocationCount);
1433	–	checkCompletedNormally(f, v1);
1434	–	}}
1435	–
1436	–	public void testThenCombine_sourceCancelled3() {
1437	–	for (ExecutionMode m : ExecutionMode.values())
1438	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1439	–	for (Integer v1 : new Integer[] { 1, null })
1440	–	{
1441	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1442	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1443	–	final SubtractFunction r = new SubtractFunction();
1444	–
1445	–	assertTrue(g.cancel(mayInterruptIfRunning));
1446	–	f.complete(v1);
1447	–	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1448	–
1449	–	checkCompletedWithWrappedCancellationException(h);
1450	–	checkCancelled(g);
1451	–	assertEquals(0, r.invocationCount);
1452	–	checkCompletedNormally(f, v1);
1453	–	}}
1454	–
1455	–	public void testThenCombine_sourceCancelled4() {
1456	–	for (ExecutionMode m : ExecutionMode.values())
1457	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1458	–	for (Integer v1 : new Integer[] { 1, null })
1459	–	{
1460	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1461	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1462	–	final SubtractFunction r = new SubtractFunction();
1463	–
1464	–	assertTrue(f.cancel(mayInterruptIfRunning));
1465	–	g.complete(v1);
1466	–	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1467	–
1468	–	checkCompletedWithWrappedCancellationException(h);
1469	–	checkCancelled(f);
1470	–	assertEquals(0, r.invocationCount);
1471	–	checkCompletedNormally(g, v1);
1472	–	}}
1473	–
1474	–	/**
1799		* thenAcceptBoth result completes normally after normal
1800		* completion of sources
1801		*/
1802	<	public void testThenAcceptBoth_normalCompletion1() {
1479	<	for (ExecutionMode m : ExecutionMode.values())
1480	<	for (Integer v1 : new Integer[] { 1, null })
1481	<	for (Integer v2 : new Integer[] { 2, null })
1482	<	{
1483	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1484	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1485	<	final SubtractAction r = new SubtractAction();
1486	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1487	<
1488	<	f.complete(v1);
1489	<	checkIncomplete(h);
1490	<	assertEquals(0, r.invocationCount);
1491	<	g.complete(v2);
1492	<
1493	<	checkCompletedNormally(h, null);
1494	<	assertEquals(subtract(v1, v2), r.value);
1495	<	checkCompletedNormally(f, v1);
1496	<	checkCompletedNormally(g, v2);
1497	<	}}
1498	<
1499	<	public void testThenAcceptBoth_normalCompletion2() {
1500	<	for (ExecutionMode m : ExecutionMode.values())
1501	<	for (Integer v1 : new Integer[] { 1, null })
1502	<	for (Integer v2 : new Integer[] { 2, null })
1503	<	{
1504	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1505	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1506	<	final SubtractAction r = new SubtractAction();
1507	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1508	<
1509	<	g.complete(v2);
1510	<	checkIncomplete(h);
1511	<	assertEquals(0, r.invocationCount);
1512	<	f.complete(v1);
1513	<
1514	<	checkCompletedNormally(h, null);
1515	<	assertEquals(subtract(v1, v2), r.value);
1516	<	checkCompletedNormally(f, v1);
1517	<	checkCompletedNormally(g, v2);
1518	<	}}
1519	<
1520	<	public void testThenAcceptBoth_normalCompletion3() {
1521	<	for (ExecutionMode m : ExecutionMode.values())
1522	<	for (Integer v1 : new Integer[] { 1, null })
1523	<	for (Integer v2 : new Integer[] { 2, null })
1524	<	{
1525	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1526	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1527	<	final SubtractAction r = new SubtractAction();
1528	<
1529	<	g.complete(v2);
1530	<	f.complete(v1);
1531	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1532	<
1533	<	checkCompletedNormally(h, null);
1534	<	assertEquals(subtract(v1, v2), r.value);
1535	<	checkCompletedNormally(f, v1);
1536	<	checkCompletedNormally(g, v2);
1537	<	}}
1538	<
1539	<	public void testThenAcceptBoth_normalCompletion4() {
1802	>	public void testThenAcceptBoth_normalCompletion() {
1803		for (ExecutionMode m : ExecutionMode.values())
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();
1811	<
1812	<	f.complete(v1);
1813	<	g.complete(v2);
1814	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1815	<
1816	<	checkCompletedNormally(h, null);
1817	<	assertEquals(subtract(v1, v2), r.value);
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(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 1559 | Line 1840 | public class CompletableFutureTest exten
1840		* thenAcceptBoth result completes exceptionally after exceptional
1841		* completion of either source
1842		*/
1843	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1563	<	for (ExecutionMode m : ExecutionMode.values())
1564	<	for (Integer v1 : new Integer[] { 1, null })
1565	<	{
1566	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1567	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1568	<	final SubtractAction r = new SubtractAction();
1569	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1570	<	final CFException ex = new CFException();
1571	<
1572	<	f.completeExceptionally(ex);
1573	<	checkIncomplete(h);
1574	<	g.complete(v1);
1575	<
1576	<	checkCompletedWithWrappedCFException(h, ex);
1577	<	checkCompletedWithWrappedCFException(f, ex);
1578	<	assertEquals(0, r.invocationCount);
1579	<	checkCompletedNormally(g, v1);
1580	<	}}
1581	<
1582	<	public void testThenAcceptBoth_exceptionalCompletion2() {
1583	<	for (ExecutionMode m : ExecutionMode.values())
1584	<	for (Integer v1 : new Integer[] { 1, null })
1585	<	{
1586	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1587	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1588	<	final SubtractAction r = new SubtractAction();
1589	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1590	<	final CFException ex = new CFException();
1591	<
1592	<	g.completeExceptionally(ex);
1593	<	checkIncomplete(h);
1594	<	f.complete(v1);
1595	<
1596	<	checkCompletedWithWrappedCFException(h, ex);
1597	<	checkCompletedWithWrappedCFException(g, ex);
1598	<	assertEquals(0, r.invocationCount);
1599	<	checkCompletedNormally(f, v1);
1600	<	}}
1601	<
1602	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1843	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1844		for (ExecutionMode m : ExecutionMode.values())
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<>();
1608	–	final SubtractAction r = new SubtractAction();
1851		final CFException ex = new CFException();
1852	<
1853	<	g.completeExceptionally(ex);
1854	<	f.complete(v1);
1855	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1856	<
1857	<	checkCompletedWithWrappedCFException(h, ex);
1858	<	checkCompletedWithWrappedCFException(g, ex);
1859	<	assertEquals(0, r.invocationCount);
1860	<	checkCompletedNormally(f, v1);
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	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1883	>	/**
1884	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1885	>	*/
1886	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1887		for (ExecutionMode m : ExecutionMode.values())
1888	+	for (boolean mayInterruptIfRunning : 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();
1896	<	final CFException ex = new CFException();
1897	<
1898	<	f.completeExceptionally(ex);
1899	<	g.complete(v1);
1900	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1901	<
1902	<	checkCompletedWithWrappedCFException(h, ex);
1903	<	checkCompletedWithWrappedCFException(f, ex);
1904	<	assertEquals(0, r.invocationCount);
1905	<	checkCompletedNormally(g, v1);
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(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		/**
1927		* thenAcceptBoth result completes exceptionally if action does
1928		*/
1929	<	public void testThenAcceptBoth_actionFailed1() {
1644	<	for (ExecutionMode m : ExecutionMode.values())
1645	<	for (Integer v1 : new Integer[] { 1, null })
1646	<	for (Integer v2 : new Integer[] { 2, null })
1647	<	{
1648	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1649	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1650	<	final FailingBiConsumer r = new FailingBiConsumer();
1651	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1652	<
1653	<	f.complete(v1);
1654	<	checkIncomplete(h);
1655	<	g.complete(v2);
1656	<
1657	<	checkCompletedWithWrappedCFException(h);
1658	<	checkCompletedNormally(f, v1);
1659	<	checkCompletedNormally(g, v2);
1660	<	}}
1661	<
1662	<	public void testThenAcceptBoth_actionFailed2() {
1929	>	public void testThenAcceptBoth_actionFailed() {
1930		for (ExecutionMode m : ExecutionMode.values())
1931	+	for (boolean fFirst : new boolean[] { true, false })
1932		for (Integer v1 : new Integer[] { 1, null })
1933		for (Integer v2 : new Integer[] { 2, null })
1934		{
1935		final CompletableFuture<Integer> f = new CompletableFuture<>();
1936		final CompletableFuture<Integer> g = new CompletableFuture<>();
1937	<	final FailingBiConsumer r = new FailingBiConsumer();
1938	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1939	<
1940	<	g.complete(v2);
1941	<	checkIncomplete(h);
1942	<	f.complete(v1);
1943	<
1944	<	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		}}
1961
1962		/**
1682	–	* thenAcceptBoth result completes exceptionally if either source cancelled
1683	–	*/
1684	–	public void testThenAcceptBoth_sourceCancelled1() {
1685	–	for (ExecutionMode m : ExecutionMode.values())
1686	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1687	–	for (Integer v1 : new Integer[] { 1, null })
1688	–	{
1689	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1690	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1691	–	final SubtractAction r = new SubtractAction();
1692	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1693	–
1694	–	assertTrue(f.cancel(mayInterruptIfRunning));
1695	–	checkIncomplete(h);
1696	–	g.complete(v1);
1697	–
1698	–	checkCompletedWithWrappedCancellationException(h);
1699	–	checkCancelled(f);
1700	–	assertEquals(0, r.invocationCount);
1701	–	checkCompletedNormally(g, v1);
1702	–	}}
1703	–
1704	–	public void testThenAcceptBoth_sourceCancelled2() {
1705	–	for (ExecutionMode m : ExecutionMode.values())
1706	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1707	–	for (Integer v1 : new Integer[] { 1, null })
1708	–	{
1709	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1710	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1711	–	final SubtractAction r = new SubtractAction();
1712	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1713	–
1714	–	assertTrue(g.cancel(mayInterruptIfRunning));
1715	–	checkIncomplete(h);
1716	–	f.complete(v1);
1717	–
1718	–	checkCompletedWithWrappedCancellationException(h);
1719	–	checkCancelled(g);
1720	–	assertEquals(0, r.invocationCount);
1721	–	checkCompletedNormally(f, v1);
1722	–	}}
1723	–
1724	–	public void testThenAcceptBoth_sourceCancelled3() {
1725	–	for (ExecutionMode m : ExecutionMode.values())
1726	–	for (boolean mayInterruptIfRunning : 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 SubtractAction r = new SubtractAction();
1732	–
1733	–	assertTrue(g.cancel(mayInterruptIfRunning));
1734	–	f.complete(v1);
1735	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1736	–
1737	–	checkCompletedWithWrappedCancellationException(h);
1738	–	checkCancelled(g);
1739	–	assertEquals(0, r.invocationCount);
1740	–	checkCompletedNormally(f, v1);
1741	–	}}
1742	–
1743	–	public void testThenAcceptBoth_sourceCancelled4() {
1744	–	for (ExecutionMode m : ExecutionMode.values())
1745	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1746	–	for (Integer v1 : new Integer[] { 1, null })
1747	–	{
1748	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1749	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1750	–	final SubtractAction r = new SubtractAction();
1751	–
1752	–	assertTrue(f.cancel(mayInterruptIfRunning));
1753	–	g.complete(v1);
1754	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1755	–
1756	–	checkCompletedWithWrappedCancellationException(h);
1757	–	checkCancelled(f);
1758	–	assertEquals(0, r.invocationCount);
1759	–	checkCompletedNormally(g, v1);
1760	–	}}
1761	–
1762	–	/**
1963		* runAfterBoth result completes normally after normal
1964		* completion of sources
1965		*/
1966	<	public void testRunAfterBoth_normalCompletion1() {
1767	<	for (ExecutionMode m : ExecutionMode.values())
1768	<	for (Integer v1 : new Integer[] { 1, null })
1769	<	for (Integer v2 : new Integer[] { 2, null })
1770	<	{
1771	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1772	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1773	<	final Noop r = new Noop();
1774	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1775	<
1776	<	f.complete(v1);
1777	<	checkIncomplete(h);
1778	<	assertEquals(0, r.invocationCount);
1779	<	g.complete(v2);
1780	<
1781	<	checkCompletedNormally(h, null);
1782	<	assertEquals(1, r.invocationCount);
1783	<	checkCompletedNormally(f, v1);
1784	<	checkCompletedNormally(g, v2);
1785	<	}}
1786	<
1787	<	public void testRunAfterBoth_normalCompletion2() {
1788	<	for (ExecutionMode m : ExecutionMode.values())
1789	<	for (Integer v1 : new Integer[] { 1, null })
1790	<	for (Integer v2 : new Integer[] { 2, null })
1791	<	{
1792	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1793	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1794	<	final Noop r = new Noop();
1795	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1796	<
1797	<	g.complete(v2);
1798	<	checkIncomplete(h);
1799	<	assertEquals(0, r.invocationCount);
1800	<	f.complete(v1);
1801	<
1802	<	checkCompletedNormally(h, null);
1803	<	assertEquals(1, r.invocationCount);
1804	<	checkCompletedNormally(f, v1);
1805	<	checkCompletedNormally(g, v2);
1806	<	}}
1807	<
1808	<	public void testRunAfterBoth_normalCompletion3() {
1809	<	for (ExecutionMode m : ExecutionMode.values())
1810	<	for (Integer v1 : new Integer[] { 1, null })
1811	<	for (Integer v2 : new Integer[] { 2, null })
1812	<	{
1813	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1814	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1815	<	final Noop r = new Noop();
1816	<
1817	<	g.complete(v2);
1818	<	f.complete(v1);
1819	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1820	<
1821	<	checkCompletedNormally(h, null);
1822	<	assertEquals(1, r.invocationCount);
1823	<	checkCompletedNormally(f, v1);
1824	<	checkCompletedNormally(g, v2);
1825	<	}}
1826	<
1827	<	public void testRunAfterBoth_normalCompletion4() {
1966	>	public void testRunAfterBoth_normalCompletion() {
1967		for (ExecutionMode m : ExecutionMode.values())
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();
1975	<
1976	<	f.complete(v1);
1977	<	g.complete(v2);
1978	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1979	<
1980	<	checkCompletedNormally(h, null);
1981	<	assertEquals(1, r.invocationCount);
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(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 1847 | Line 2004 | public class CompletableFutureTest exten
2004		* runAfterBoth result completes exceptionally after exceptional
2005		* completion of either source
2006		*/
2007	<	public void testRunAfterBoth_exceptionalCompletion1() {
1851	<	for (ExecutionMode m : ExecutionMode.values())
1852	<	for (Integer v1 : new Integer[] { 1, null })
1853	<	{
1854	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1855	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1856	<	final Noop r = new Noop();
1857	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1858	<	final CFException ex = new CFException();
1859	<
1860	<	f.completeExceptionally(ex);
1861	<	checkIncomplete(h);
1862	<	g.complete(v1);
1863	<
1864	<	checkCompletedWithWrappedCFException(h, ex);
1865	<	checkCompletedWithWrappedCFException(f, ex);
1866	<	assertEquals(0, r.invocationCount);
1867	<	checkCompletedNormally(g, v1);
1868	<	}}
1869	<
1870	<	public void testRunAfterBoth_exceptionalCompletion2() {
1871	<	for (ExecutionMode m : ExecutionMode.values())
1872	<	for (Integer v1 : new Integer[] { 1, null })
1873	<	{
1874	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1875	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1876	<	final Noop r = new Noop();
1877	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1878	<	final CFException ex = new CFException();
1879	<
1880	<	g.completeExceptionally(ex);
1881	<	checkIncomplete(h);
1882	<	f.complete(v1);
1883	<
1884	<	checkCompletedWithWrappedCFException(h, ex);
1885	<	checkCompletedWithWrappedCFException(g, ex);
1886	<	assertEquals(0, r.invocationCount);
1887	<	checkCompletedNormally(f, v1);
1888	<	}}
1889	<
1890	<	public void testRunAfterBoth_exceptionalCompletion3() {
2007	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2008		for (ExecutionMode m : ExecutionMode.values())
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<>();
1896	–	final Noop r = new Noop();
2015		final CFException ex = new CFException();
2016	<
2017	<	g.completeExceptionally(ex);
2018	<	f.complete(v1);
2019	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2020	<
2021	<	checkCompletedWithWrappedCFException(h, ex);
2022	<	checkCompletedWithWrappedCFException(g, ex);
2023	<	assertEquals(0, r.invocationCount);
2024	<	checkCompletedNormally(f, v1);
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	<	public void testRunAfterBoth_exceptionalCompletion4() {
2047	>	/**
2048	>	* runAfterBoth result completes exceptionally if either source cancelled
2049	>	*/
2050	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2051		for (ExecutionMode m : ExecutionMode.values())
2052	+	for (boolean mayInterruptIfRunning : 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();
2060	<	final CFException ex = new CFException();
2061	<
2062	<	f.completeExceptionally(ex);
2063	<	g.complete(v1);
2064	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2065	<
2066	<	checkCompletedWithWrappedCFException(h, ex);
2067	<	checkCompletedWithWrappedCFException(f, ex);
2068	<	assertEquals(0, r.invocationCount);
2069	<	checkCompletedNormally(g, v1);
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(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		/**
2091		* runAfterBoth result completes exceptionally if action does
2092		*/
2093	<	public void testRunAfterBoth_actionFailed1() {
1932	<	for (ExecutionMode m : ExecutionMode.values())
1933	<	for (Integer v1 : new Integer[] { 1, null })
1934	<	for (Integer v2 : new Integer[] { 2, null })
1935	<	{
1936	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1937	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1938	<	final FailingRunnable r = new FailingRunnable();
1939	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1940	<
1941	<	f.complete(v1);
1942	<	checkIncomplete(h);
1943	<	g.complete(v2);
1944	<
1945	<	checkCompletedWithWrappedCFException(h);
1946	<	checkCompletedNormally(f, v1);
1947	<	checkCompletedNormally(g, v2);
1948	<	}}
1949	<
1950	<	public void testRunAfterBoth_actionFailed2() {
2093	>	public void testRunAfterBoth_actionFailed() {
2094		for (ExecutionMode m : ExecutionMode.values())
2095	+	for (boolean fFirst : new boolean[] { true, false })
2096		for (Integer v1 : new Integer[] { 1, null })
2097		for (Integer v2 : new Integer[] { 2, null })
2098		{
2099		final CompletableFuture<Integer> f = new CompletableFuture<>();
2100		final CompletableFuture<Integer> g = new CompletableFuture<>();
2101	<	final FailingRunnable r = new FailingRunnable();
2102	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2103	<
2104	<	g.complete(v2);
2105	<	checkIncomplete(h);
2106	<	f.complete(v1);
2107	<
2108	<	checkCompletedWithWrappedCFException(h);
2101	>	final FailingRunnable r1 = new FailingRunnable(m);
2102	>	final FailingRunnable r2 = new FailingRunnable(m);
2103	>	final FailingRunnable r3 = new FailingRunnable(m);
2104	>
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		}}
2125
2126		/**
1970	–	* runAfterBoth result completes exceptionally if either source cancelled
1971	–	*/
1972	–	public void testRunAfterBoth_sourceCancelled1() {
1973	–	for (ExecutionMode m : ExecutionMode.values())
1974	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1975	–	for (Integer v1 : new Integer[] { 1, null })
1976	–	{
1977	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1978	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1979	–	final Noop r = new Noop();
1980	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1981	–
1982	–	assertTrue(f.cancel(mayInterruptIfRunning));
1983	–	checkIncomplete(h);
1984	–	g.complete(v1);
1985	–
1986	–	checkCompletedWithWrappedCancellationException(h);
1987	–	checkCancelled(f);
1988	–	assertEquals(0, r.invocationCount);
1989	–	checkCompletedNormally(g, v1);
1990	–	}}
1991	–
1992	–	public void testRunAfterBoth_sourceCancelled2() {
1993	–	for (ExecutionMode m : ExecutionMode.values())
1994	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1995	–	for (Integer v1 : new Integer[] { 1, null })
1996	–	{
1997	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1998	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1999	–	final Noop r = new Noop();
2000	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2001	–
2002	–	assertTrue(g.cancel(mayInterruptIfRunning));
2003	–	checkIncomplete(h);
2004	–	f.complete(v1);
2005	–
2006	–	checkCompletedWithWrappedCancellationException(h);
2007	–	checkCancelled(g);
2008	–	assertEquals(0, r.invocationCount);
2009	–	checkCompletedNormally(f, v1);
2010	–	}}
2011	–
2012	–	public void testRunAfterBoth_sourceCancelled3() {
2013	–	for (ExecutionMode m : ExecutionMode.values())
2014	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2015	–	for (Integer v1 : new Integer[] { 1, null })
2016	–	{
2017	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2018	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2019	–	final Noop r = new Noop();
2020	–
2021	–	assertTrue(g.cancel(mayInterruptIfRunning));
2022	–	f.complete(v1);
2023	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2024	–
2025	–	checkCompletedWithWrappedCancellationException(h);
2026	–	checkCancelled(g);
2027	–	assertEquals(0, r.invocationCount);
2028	–	checkCompletedNormally(f, v1);
2029	–	}}
2030	–
2031	–	public void testRunAfterBoth_sourceCancelled4() {
2032	–	for (ExecutionMode m : ExecutionMode.values())
2033	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2034	–	for (Integer v1 : new Integer[] { 1, null })
2035	–	{
2036	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2037	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2038	–	final Noop r = new Noop();
2039	–
2040	–	assertTrue(f.cancel(mayInterruptIfRunning));
2041	–	g.complete(v1);
2042	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2043	–
2044	–	checkCompletedWithWrappedCancellationException(h);
2045	–	checkCancelled(f);
2046	–	assertEquals(0, r.invocationCount);
2047	–	checkCompletedNormally(g, v1);
2048	–	}}
2049	–
2050	–	/**
2127		* applyToEither result completes normally after normal completion
2128		* of either source
2129		*/
2130	<	public void testApplyToEither_normalCompletion1() {
2130	>	public void testApplyToEither_normalCompletion() {
2131		for (ExecutionMode m : ExecutionMode.values())
2132		for (Integer v1 : new Integer[] { 1, null })
2133		for (Integer v2 : new Integer[] { 2, null })
2134		{
2135		final CompletableFuture<Integer> f = new CompletableFuture<>();
2136		final CompletableFuture<Integer> g = new CompletableFuture<>();
2137	<	final IncFunction r = new IncFunction();
2138	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2137	>	final IncFunction[] rs = new IncFunction[6];
2138	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2139
2140	<	f.complete(v1);
2141	<	checkCompletedNormally(h, inc(v1));
2140	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2141	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2142	>	checkIncomplete(h0);
2143	>	checkIncomplete(h1);
2144	>	rs[0].assertNotInvoked();
2145	>	rs[1].assertNotInvoked();
2146	>	f.complete(v1);
2147	>	checkCompletedNormally(h0, inc(v1));
2148	>	checkCompletedNormally(h1, inc(v1));
2149	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2150	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2151	>	checkCompletedNormally(h2, inc(v1));
2152	>	checkCompletedNormally(h3, inc(v1));
2153		g.complete(v2);
2154
2155	<	checkCompletedNormally(f, v1);
2156	<	checkCompletedNormally(g, v2);
2157	<	checkCompletedNormally(h, inc(v1));
2158	<	}}
2159	<
2160	<	public void testApplyToEither_normalCompletion2() {
2161	<	for (ExecutionMode m : ExecutionMode.values())
2162	<	for (Integer v1 : new Integer[] { 1, null })
2163	<	for (Integer v2 : new Integer[] { 2, null })
2077	<	{
2078	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2079	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2080	<	final IncFunction r = new IncFunction();
2081	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2082	<
2083	<	g.complete(v2);
2084	<	checkCompletedNormally(h, inc(v2));
2085	<	f.complete(v1);
2086	<
2087	<	checkCompletedNormally(f, v1);
2088	<	checkCompletedNormally(g, v2);
2089	<	checkCompletedNormally(h, inc(v2));
2090	<	}}
2091	<
2092	<	public void testApplyToEither_normalCompletion3() {
2093	<	for (ExecutionMode m : ExecutionMode.values())
2094	<	for (Integer v1 : new Integer[] { 1, null })
2095	<	for (Integer v2 : new Integer[] { 2, null })
2096	<	{
2097	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2098	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2099	<	final IncFunction r = new IncFunction();
2100	<
2101	<	f.complete(v1);
2102	<	g.complete(v2);
2103	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2155	>	// unspecified behavior - both source completions available
2156	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2157	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2158	>	rs[4].assertValue(h4.join());
2159	>	rs[5].assertValue(h5.join());
2160	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2161	>	Objects.equals(inc(v2), h4.join()));
2162	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2163	>	Objects.equals(inc(v2), h5.join()));
2164
2165		checkCompletedNormally(f, v1);
2166		checkCompletedNormally(g, v2);
2167	<
2168	<	// unspecified behavior
2169	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2170	<	Objects.equals(h.join(), inc(v2)));
2171	<	assertEquals(1, r.invocationCount);
2167	>	checkCompletedNormally(h0, inc(v1));
2168	>	checkCompletedNormally(h1, inc(v1));
2169	>	checkCompletedNormally(h2, inc(v1));
2170	>	checkCompletedNormally(h3, inc(v1));
2171	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2172		}}
2173
2174		/**
2175		* applyToEither result completes exceptionally after exceptional
2176		* completion of either source
2177		*/
2178	<	public void testApplyToEither_exceptionalCompletion1() {
2178	>	public void testApplyToEither_exceptionalCompletion() {
2179		for (ExecutionMode m : ExecutionMode.values())
2180		for (Integer v1 : new Integer[] { 1, null })
2181		{
2182		final CompletableFuture<Integer> f = new CompletableFuture<>();
2183		final CompletableFuture<Integer> g = new CompletableFuture<>();
2124	–	final IncFunction r = new IncFunction();
2125	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2184		final CFException ex = new CFException();
2185	+	final IncFunction[] rs = new IncFunction[6];
2186	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2187
2188	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2189	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2190	+	checkIncomplete(h0);
2191	+	checkIncomplete(h1);
2192	+	rs[0].assertNotInvoked();
2193	+	rs[1].assertNotInvoked();
2194		f.completeExceptionally(ex);
2195	<	checkCompletedWithWrappedCFException(h, 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	>	checkCompletedWithWrappedException(h2, ex);
2200	>	checkCompletedWithWrappedException(h3, ex);
2201		g.complete(v1);
2202
2203	<	assertEquals(0, r.invocationCount);
2203	>	// unspecified behavior - both source completions available
2204	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2205	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2206	>	try {
2207	>	assertEquals(inc(v1), h4.join());
2208	>	rs[4].assertValue(inc(v1));
2209	>	} catch (CompletionException ok) {
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	>	checkCompletedWithWrappedException(h5, ex);
2218	>	rs[5].assertNotInvoked();
2219	>	}
2220	>
2221	>	checkCompletedExceptionally(f, ex);
2222		checkCompletedNormally(g, v1);
2223	<	checkCompletedWithWrappedCFException(f, ex);
2224	<	checkCompletedWithWrappedCFException(h, 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
2231		public void testApplyToEither_exceptionalCompletion2() {
2232		for (ExecutionMode m : ExecutionMode.values())
2233	+	for (boolean fFirst : new boolean[] { true, false })
2234		for (Integer v1 : new Integer[] { 1, null })
2235		{
2236		final CompletableFuture<Integer> f = new CompletableFuture<>();
2237		final CompletableFuture<Integer> g = new CompletableFuture<>();
2144	–	final IncFunction r = new IncFunction();
2145	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2146	–	final CFException ex = new CFException();
2147	–
2148	–	g.completeExceptionally(ex);
2149	–	checkCompletedWithWrappedCFException(h, ex);
2150	–	f.complete(v1);
2151	–
2152	–	assertEquals(0, r.invocationCount);
2153	–	checkCompletedNormally(f, v1);
2154	–	checkCompletedWithWrappedCFException(g, ex);
2155	–	checkCompletedWithWrappedCFException(h, ex);
2156	–	}}
2157	–
2158	–	public void testApplyToEither_exceptionalCompletion3() {
2159	–	for (ExecutionMode m : ExecutionMode.values())
2160	–	for (Integer v1 : new Integer[] { 1, null })
2161	–	{
2162	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2163	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2164	–	final IncFunction r = new IncFunction();
2238		final CFException ex = new CFException();
2239	+	final IncFunction[] rs = new IncFunction[6];
2240	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2241
2242	<	g.completeExceptionally(ex);
2243	<	f.complete(v1);
2244	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2242	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2243	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
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
2249	<	// unspecified behavior
2172	<	Integer v;
2249	>	// unspecified behavior - both source completions available
2250		try {
2251	<	assertEquals(inc(v1), h.join());
2252	<	assertEquals(1, r.invocationCount);
2251	>	assertEquals(inc(v1), h0.join());
2252	>	rs[0].assertValue(inc(v1));
2253		} catch (CompletionException ok) {
2254	<	checkCompletedWithWrappedCFException(h, ex);
2255	<	assertEquals(0, r.invocationCount);
2254	>	checkCompletedWithWrappedException(h0, ex);
2255	>	rs[0].assertNotInvoked();
2256		}
2180	–
2181	–	checkCompletedWithWrappedCFException(g, ex);
2182	–	checkCompletedNormally(f, v1);
2183	–	}}
2184	–
2185	–	public void testApplyToEither_exceptionalCompletion4() {
2186	–	for (ExecutionMode m : ExecutionMode.values())
2187	–	for (Integer v1 : new Integer[] { 1, null })
2188	–	{
2189	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2190	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2191	–	final IncFunction r = new IncFunction();
2192	–	final CFException ex = new CFException();
2193	–
2194	–	f.completeExceptionally(ex);
2195	–	g.complete(v1);
2196	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2197	–
2198	–	// unspecified behavior
2199	–	Integer v;
2257		try {
2258	<	assertEquals(inc(v1), h.join());
2259	<	assertEquals(1, r.invocationCount);
2258	>	assertEquals(inc(v1), h1.join());
2259	>	rs[1].assertValue(inc(v1));
2260		} catch (CompletionException ok) {
2261	<	checkCompletedWithWrappedCFException(h, ex);
2262	<	assertEquals(0, r.invocationCount);
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	>	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	>	checkCompletedWithWrappedException(h3, ex);
2276	>	rs[3].assertNotInvoked();
2277		}
2278
2208	–	checkCompletedWithWrappedCFException(f, ex);
2209	–	checkCompletedNormally(g, v1);
2210	–	}}
2211	–
2212	–	/**
2213	–	* applyToEither result completes exceptionally if action does
2214	–	*/
2215	–	public void testApplyToEither_actionFailed1() {
2216	–	for (ExecutionMode m : ExecutionMode.values())
2217	–	for (Integer v1 : new Integer[] { 1, null })
2218	–	for (Integer v2 : new Integer[] { 2, null })
2219	–	{
2220	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2221	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2222	–	final FailingFunction r = new FailingFunction();
2223	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2224	–
2225	–	f.complete(v1);
2226	–	checkCompletedWithWrappedCFException(h);
2227	–	g.complete(v2);
2228	–	checkCompletedNormally(f, v1);
2229	–	checkCompletedNormally(g, v2);
2230	–	}}
2231	–
2232	–	public void testApplyToEither_actionFailed2() {
2233	–	for (ExecutionMode m : ExecutionMode.values())
2234	–	for (Integer v1 : new Integer[] { 1, null })
2235	–	for (Integer v2 : new Integer[] { 2, null })
2236	–	{
2237	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2238	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2239	–	final FailingFunction r = new FailingFunction();
2240	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2241	–
2242	–	g.complete(v2);
2243	–	checkCompletedWithWrappedCFException(h);
2244	–	f.complete(v1);
2279		checkCompletedNormally(f, v1);
2280	<	checkCompletedNormally(g, v2);
2280	>	checkCompletedExceptionally(g, ex);
2281		}}
2282
2283		/**
2284		* applyToEither result completes exceptionally if either source cancelled
2285		*/
2286	<	public void testApplyToEither_sourceCancelled1() {
2286	>	public void testApplyToEither_sourceCancelled() {
2287		for (ExecutionMode m : ExecutionMode.values())
2288		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2289		for (Integer v1 : new Integer[] { 1, null })
2290		{
2291		final CompletableFuture<Integer> f = new CompletableFuture<>();
2292		final CompletableFuture<Integer> g = new CompletableFuture<>();
2293	<	final IncFunction r = new IncFunction();
2294	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2293	>	final IncFunction[] rs = new IncFunction[6];
2294	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2295
2296	<	assertTrue(f.cancel(mayInterruptIfRunning));
2297	<	checkCompletedWithWrappedCancellationException(h);
2296	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2297	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2298	>	checkIncomplete(h0);
2299	>	checkIncomplete(h1);
2300	>	rs[0].assertNotInvoked();
2301	>	rs[1].assertNotInvoked();
2302	>	f.cancel(mayInterruptIfRunning);
2303	>	checkCompletedWithWrappedCancellationException(h0);
2304	>	checkCompletedWithWrappedCancellationException(h1);
2305	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2306	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2307	>	checkCompletedWithWrappedCancellationException(h2);
2308	>	checkCompletedWithWrappedCancellationException(h3);
2309		g.complete(v1);
2310
2311	+	// unspecified behavior - both source completions available
2312	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2313	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2314	+	try {
2315	+	assertEquals(inc(v1), h4.join());
2316	+	rs[4].assertValue(inc(v1));
2317	+	} catch (CompletionException ok) {
2318	+	checkCompletedWithWrappedCancellationException(h4);
2319	+	rs[4].assertNotInvoked();
2320	+	}
2321	+	try {
2322	+	assertEquals(inc(v1), h5.join());
2323	+	rs[5].assertValue(inc(v1));
2324	+	} catch (CompletionException ok) {
2325	+	checkCompletedWithWrappedCancellationException(h5);
2326	+	rs[5].assertNotInvoked();
2327	+	}
2328	+
2329		checkCancelled(f);
2267	–	assertEquals(0, r.invocationCount);
2330		checkCompletedNormally(g, v1);
2331	<	checkCompletedWithWrappedCancellationException(h);
2331	>	checkCompletedWithWrappedCancellationException(h0);
2332	>	checkCompletedWithWrappedCancellationException(h1);
2333	>	checkCompletedWithWrappedCancellationException(h2);
2334	>	checkCompletedWithWrappedCancellationException(h3);
2335	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2336		}}
2337
2338		public void testApplyToEither_sourceCancelled2() {
2339		for (ExecutionMode m : ExecutionMode.values())
2340		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2341	+	for (boolean fFirst : new boolean[] { true, false })
2342		for (Integer v1 : new Integer[] { 1, null })
2343		{
2344		final CompletableFuture<Integer> f = new CompletableFuture<>();
2345		final CompletableFuture<Integer> g = new CompletableFuture<>();
2346	<	final IncFunction r = new IncFunction();
2347	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2281	<
2282	<	assertTrue(g.cancel(mayInterruptIfRunning));
2283	<	checkCompletedWithWrappedCancellationException(h);
2284	<	f.complete(v1);
2285	<
2286	<	checkCancelled(g);
2287	<	assertEquals(0, r.invocationCount);
2288	<	checkCompletedNormally(f, v1);
2289	<	checkCompletedWithWrappedCancellationException(h);
2290	<	}}
2291	<
2292	<	public void testApplyToEither_sourceCancelled3() {
2293	<	for (ExecutionMode m : ExecutionMode.values())
2294	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2295	<	for (Integer v1 : new Integer[] { 1, null })
2296	<	{
2297	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2298	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2299	<	final IncFunction r = new IncFunction();
2346	>	final IncFunction[] rs = new IncFunction[6];
2347	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2348
2349	<	assertTrue(g.cancel(mayInterruptIfRunning));
2350	<	f.complete(v1);
2351	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2349	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2350	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
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
2356	<	// unspecified behavior
2306	<	Integer v;
2356	>	// unspecified behavior - both source completions available
2357		try {
2358	<	assertEquals(inc(v1), h.join());
2359	<	assertEquals(1, r.invocationCount);
2358	>	assertEquals(inc(v1), h0.join());
2359	>	rs[0].assertValue(inc(v1));
2360		} catch (CompletionException ok) {
2361	<	checkCompletedWithWrappedCancellationException(h);
2362	<	assertEquals(0, r.invocationCount);
2361	>	checkCompletedWithWrappedCancellationException(h0);
2362	>	rs[0].assertNotInvoked();
2363	>	}
2364	>	try {
2365	>	assertEquals(inc(v1), h1.join());
2366	>	rs[1].assertValue(inc(v1));
2367	>	} catch (CompletionException ok) {
2368	>	checkCompletedWithWrappedCancellationException(h1);
2369	>	rs[1].assertNotInvoked();
2370		}
2314	–
2315	–	checkCancelled(g);
2316	–	checkCompletedNormally(f, v1);
2317	–	}}
2318	–
2319	–	public void testApplyToEither_sourceCancelled4() {
2320	–	for (ExecutionMode m : ExecutionMode.values())
2321	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2322	–	for (Integer v1 : new Integer[] { 1, null })
2323	–	{
2324	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2325	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2326	–	final IncFunction r = new IncFunction();
2327	–
2328	–	assertTrue(f.cancel(mayInterruptIfRunning));
2329	–	g.complete(v1);
2330	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2331	–
2332	–	// unspecified behavior
2333	–	Integer v;
2371		try {
2372	<	assertEquals(inc(v1), h.join());
2373	<	assertEquals(1, r.invocationCount);
2372	>	assertEquals(inc(v1), h2.join());
2373	>	rs[2].assertValue(inc(v1));
2374		} catch (CompletionException ok) {
2375	<	checkCompletedWithWrappedCancellationException(h);
2376	<	assertEquals(0, r.invocationCount);
2375	>	checkCompletedWithWrappedCancellationException(h2);
2376	>	rs[2].assertNotInvoked();
2377	>	}
2378	>	try {
2379	>	assertEquals(inc(v1), h3.join());
2380	>	rs[3].assertValue(inc(v1));
2381	>	} catch (CompletionException ok) {
2382	>	checkCompletedWithWrappedCancellationException(h3);
2383	>	rs[3].assertNotInvoked();
2384		}
2385
2386	<	checkCancelled(f);
2387	<	checkCompletedNormally(g, v1);
2386	>	checkCompletedNormally(f, v1);
2387	>	checkCancelled(g);
2388		}}
2389
2390		/**
2391	<	* acceptEither result completes normally after normal completion
2348	<	* of either source
2391	>	* applyToEither result completes exceptionally if action does
2392		*/
2393	<	public void testAcceptEither_normalCompletion1() {
2393	>	public void testApplyToEither_actionFailed() {
2394		for (ExecutionMode m : ExecutionMode.values())
2395		for (Integer v1 : new Integer[] { 1, null })
2396		for (Integer v2 : new Integer[] { 2, null })
2397		{
2398		final CompletableFuture<Integer> f = new CompletableFuture<>();
2399		final CompletableFuture<Integer> g = new CompletableFuture<>();
2400	<	final IncAction r = new IncAction();
2401	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2400	>	final FailingFunction[] rs = new FailingFunction[6];
2401	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2402
2403	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2404	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2405		f.complete(v1);
2406	<	checkCompletedNormally(h, null);
2407	<	assertEquals(inc(v1), r.value);
2408	<	g.complete(v2);
2409	<
2410	<	checkCompletedNormally(f, v1);
2411	<	checkCompletedNormally(g, v2);
2412	<	checkCompletedNormally(h, null);
2368	<	}}
2369	<
2370	<	public void testAcceptEither_normalCompletion2() {
2371	<	for (ExecutionMode m : ExecutionMode.values())
2372	<	for (Integer v1 : new Integer[] { 1, null })
2373	<	for (Integer v2 : new Integer[] { 2, null })
2374	<	{
2375	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2376	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2377	<	final IncAction r = new IncAction();
2378	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2406	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2407	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
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);
2415	<	checkCompletedNormally(h, null);
2416	<	assertEquals(inc(v2), r.value);
2417	<	f.complete(v1);
2415	>
2416	>	// unspecified behavior - both source completions available
2417	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2418	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2419	>
2420	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2421	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2422	>	Objects.equals(v2, rs[4].value));
2423	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2424	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2425	>	Objects.equals(v2, rs[5].value));
2426
2427		checkCompletedNormally(f, v1);
2428		checkCompletedNormally(g, v2);
2387	–	checkCompletedNormally(h, null);
2429		}}
2430
2431	<	public void testAcceptEither_normalCompletion3() {
2431	>	/**
2432	>	* acceptEither result completes normally after normal completion
2433	>	* of either source
2434	>	*/
2435	>	public void testAcceptEither_normalCompletion() {
2436		for (ExecutionMode m : ExecutionMode.values())
2437		for (Integer v1 : new Integer[] { 1, null })
2438		for (Integer v2 : new Integer[] { 2, null })
2439		{
2440		final CompletableFuture<Integer> f = new CompletableFuture<>();
2441		final CompletableFuture<Integer> g = new CompletableFuture<>();
2442	<	final IncAction r = new IncAction();
2442	>	final NoopConsumer[] rs = new NoopConsumer[6];
2443	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2444
2445	<	f.complete(v1);
2445	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2446	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2447	>	checkIncomplete(h0);
2448	>	checkIncomplete(h1);
2449	>	rs[0].assertNotInvoked();
2450	>	rs[1].assertNotInvoked();
2451	>	f.complete(v1);
2452	>	checkCompletedNormally(h0, null);
2453	>	checkCompletedNormally(h1, null);
2454	>	rs[0].assertValue(v1);
2455	>	rs[1].assertValue(v1);
2456	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2457	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2458	>	checkCompletedNormally(h2, null);
2459	>	checkCompletedNormally(h3, null);
2460	>	rs[2].assertValue(v1);
2461	>	rs[3].assertValue(v1);
2462		g.complete(v2);
2401	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2463
2464	<	checkCompletedNormally(h, null);
2464	>	// unspecified behavior - both source completions available
2465	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2466	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2467	>	checkCompletedNormally(h4, null);
2468	>	checkCompletedNormally(h5, null);
2469	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2470	>	Objects.equals(v2, rs[4].value));
2471	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2472	>	Objects.equals(v2, rs[5].value));
2473	>
2474		checkCompletedNormally(f, v1);
2475		checkCompletedNormally(g, v2);
2476	<
2477	<	// unspecified behavior
2478	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2479	<	Objects.equals(r.value, inc(v2)));
2476	>	checkCompletedNormally(h0, null);
2477	>	checkCompletedNormally(h1, null);
2478	>	checkCompletedNormally(h2, null);
2479	>	checkCompletedNormally(h3, null);
2480	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2481		}}
2482
2483		/**
2484		* acceptEither result completes exceptionally after exceptional
2485		* completion of either source
2486		*/
2487	<	public void testAcceptEither_exceptionalCompletion1() {
2487	>	public void testAcceptEither_exceptionalCompletion() {
2488		for (ExecutionMode m : ExecutionMode.values())
2489		for (Integer v1 : new Integer[] { 1, null })
2490		{
2491		final CompletableFuture<Integer> f = new CompletableFuture<>();
2492		final CompletableFuture<Integer> g = new CompletableFuture<>();
2422	–	final IncAction r = new IncAction();
2423	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2493		final CFException ex = new CFException();
2494	+	final NoopConsumer[] rs = new NoopConsumer[6];
2495	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2496
2497	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2498	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2499	+	checkIncomplete(h0);
2500	+	checkIncomplete(h1);
2501	+	rs[0].assertNotInvoked();
2502	+	rs[1].assertNotInvoked();
2503		f.completeExceptionally(ex);
2504	<	checkCompletedWithWrappedCFException(h, 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	>	checkCompletedWithWrappedException(h2, ex);
2509	>	checkCompletedWithWrappedException(h3, ex);
2510	>
2511		g.complete(v1);
2512
2513	<	assertEquals(0, r.invocationCount);
2513	>	// unspecified behavior - both source completions available
2514	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2515	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2516	>	try {
2517	>	assertNull(h4.join());
2518	>	rs[4].assertValue(v1);
2519	>	} catch (CompletionException ok) {
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	>	checkCompletedWithWrappedException(h5, ex);
2528	>	rs[5].assertNotInvoked();
2529	>	}
2530	>
2531	>	checkCompletedExceptionally(f, ex);
2532		checkCompletedNormally(g, v1);
2533	<	checkCompletedWithWrappedCFException(f, ex);
2534	<	checkCompletedWithWrappedCFException(h, 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
2541		public void testAcceptEither_exceptionalCompletion2() {
2542		for (ExecutionMode m : ExecutionMode.values())
2543	+	for (boolean fFirst : new boolean[] { true, false })
2544		for (Integer v1 : new Integer[] { 1, null })
2545		{
2546		final CompletableFuture<Integer> f = new CompletableFuture<>();
2547		final CompletableFuture<Integer> g = new CompletableFuture<>();
2442	–	final IncAction r = new IncAction();
2443	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2444	–	final CFException ex = new CFException();
2445	–
2446	–	g.completeExceptionally(ex);
2447	–	checkCompletedWithWrappedCFException(h, ex);
2448	–	f.complete(v1);
2449	–
2450	–	assertEquals(0, r.invocationCount);
2451	–	checkCompletedNormally(f, v1);
2452	–	checkCompletedWithWrappedCFException(g, ex);
2453	–	checkCompletedWithWrappedCFException(h, ex);
2454	–	}}
2455	–
2456	–	public void testAcceptEither_exceptionalCompletion3() {
2457	–	for (ExecutionMode m : ExecutionMode.values())
2458	–	for (Integer v1 : new Integer[] { 1, null })
2459	–	{
2460	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2461	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2462	–	final IncAction r = new IncAction();
2548		final CFException ex = new CFException();
2549	+	final NoopConsumer[] rs = new NoopConsumer[6];
2550	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2551
2552	<	g.completeExceptionally(ex);
2553	<	f.complete(v1);
2554	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2552	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2553	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
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
2470	<	Integer v;
2559	>	// unspecified behavior - both source completions available
2560		try {
2561	<	assertNull(h.join());
2562	<	assertEquals(1, r.invocationCount);
2474	<	assertEquals(inc(v1), r.value);
2561	>	assertNull(h0.join());
2562	>	rs[0].assertValue(v1);
2563		} catch (CompletionException ok) {
2564	<	checkCompletedWithWrappedCFException(h, ex);
2565	<	assertEquals(0, r.invocationCount);
2564	>	checkCompletedWithWrappedException(h0, ex);
2565	>	rs[0].assertNotInvoked();
2566		}
2479	–
2480	–	checkCompletedWithWrappedCFException(g, ex);
2481	–	checkCompletedNormally(f, v1);
2482	–	}}
2483	–
2484	–	public void testAcceptEither_exceptionalCompletion4() {
2485	–	for (ExecutionMode m : ExecutionMode.values())
2486	–	for (Integer v1 : new Integer[] { 1, null })
2487	–	{
2488	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2489	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2490	–	final IncAction r = new IncAction();
2491	–	final CFException ex = new CFException();
2492	–
2493	–	f.completeExceptionally(ex);
2494	–	g.complete(v1);
2495	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2496	–
2497	–	// unspecified behavior
2498	–	Integer v;
2567		try {
2568	<	assertNull(h.join());
2569	<	assertEquals(1, r.invocationCount);
2502	<	assertEquals(inc(v1), r.value);
2568	>	assertNull(h1.join());
2569	>	rs[1].assertValue(v1);
2570		} catch (CompletionException ok) {
2571	<	checkCompletedWithWrappedCFException(h, ex);
2572	<	assertEquals(0, r.invocationCount);
2571	>	checkCompletedWithWrappedException(h1, ex);
2572	>	rs[1].assertNotInvoked();
2573	>	}
2574	>	try {
2575	>	assertNull(h2.join());
2576	>	rs[2].assertValue(v1);
2577	>	} catch (CompletionException ok) {
2578	>	checkCompletedWithWrappedException(h2, ex);
2579	>	rs[2].assertNotInvoked();
2580	>	}
2581	>	try {
2582	>	assertNull(h3.join());
2583	>	rs[3].assertValue(v1);
2584	>	} catch (CompletionException ok) {
2585	>	checkCompletedWithWrappedException(h3, ex);
2586	>	rs[3].assertNotInvoked();
2587		}
2588
2508	–	checkCompletedWithWrappedCFException(f, ex);
2509	–	checkCompletedNormally(g, v1);
2510	–	}}
2511	–
2512	–	/**
2513	–	* acceptEither result completes exceptionally if action does
2514	–	*/
2515	–	public void testAcceptEither_actionFailed1() {
2516	–	for (ExecutionMode m : ExecutionMode.values())
2517	–	for (Integer v1 : new Integer[] { 1, null })
2518	–	for (Integer v2 : new Integer[] { 2, null })
2519	–	{
2520	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2521	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2522	–	final FailingConsumer r = new FailingConsumer();
2523	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2524	–
2525	–	f.complete(v1);
2526	–	checkCompletedWithWrappedCFException(h);
2527	–	g.complete(v2);
2528	–	checkCompletedNormally(f, v1);
2529	–	checkCompletedNormally(g, v2);
2530	–	}}
2531	–
2532	–	public void testAcceptEither_actionFailed2() {
2533	–	for (ExecutionMode m : ExecutionMode.values())
2534	–	for (Integer v1 : new Integer[] { 1, null })
2535	–	for (Integer v2 : new Integer[] { 2, null })
2536	–	{
2537	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2538	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2539	–	final FailingConsumer r = new FailingConsumer();
2540	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2541	–
2542	–	g.complete(v2);
2543	–	checkCompletedWithWrappedCFException(h);
2544	–	f.complete(v1);
2589		checkCompletedNormally(f, v1);
2590	<	checkCompletedNormally(g, v2);
2590	>	checkCompletedExceptionally(g, ex);
2591		}}
2592
2593		/**
2594		* acceptEither result completes exceptionally if either source cancelled
2595		*/
2596	<	public void testAcceptEither_sourceCancelled1() {
2553	<	for (ExecutionMode m : ExecutionMode.values())
2554	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2555	<	for (Integer v1 : new Integer[] { 1, null })
2556	<	{
2557	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2558	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2559	<	final IncAction r = new IncAction();
2560	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2561	<
2562	<	assertTrue(f.cancel(mayInterruptIfRunning));
2563	<	checkCompletedWithWrappedCancellationException(h);
2564	<	g.complete(v1);
2565	<
2566	<	checkCancelled(f);
2567	<	assertEquals(0, r.invocationCount);
2568	<	checkCompletedNormally(g, v1);
2569	<	checkCompletedWithWrappedCancellationException(h);
2570	<	}}
2571	<
2572	<	public void testAcceptEither_sourceCancelled2() {
2596	>	public void testAcceptEither_sourceCancelled() {
2597		for (ExecutionMode m : ExecutionMode.values())
2598		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2599		for (Integer v1 : new Integer[] { 1, null })
2600		{
2601		final CompletableFuture<Integer> f = new CompletableFuture<>();
2602		final CompletableFuture<Integer> g = new CompletableFuture<>();
2603	<	final IncAction r = new IncAction();
2604	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2581	<
2582	<	assertTrue(g.cancel(mayInterruptIfRunning));
2583	<	checkCompletedWithWrappedCancellationException(h);
2584	<	f.complete(v1);
2585	<
2586	<	checkCancelled(g);
2587	<	assertEquals(0, r.invocationCount);
2588	<	checkCompletedNormally(f, v1);
2589	<	checkCompletedWithWrappedCancellationException(h);
2590	<	}}
2603	>	final NoopConsumer[] rs = new NoopConsumer[6];
2604	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2605
2606	<	public void testAcceptEither_sourceCancelled3() {
2607	<	for (ExecutionMode m : ExecutionMode.values())
2608	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2609	<	for (Integer v1 : new Integer[] { 1, null })
2610	<	{
2611	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2612	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2613	<	final IncAction r = new IncAction();
2606	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2607	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2608	>	checkIncomplete(h0);
2609	>	checkIncomplete(h1);
2610	>	rs[0].assertNotInvoked();
2611	>	rs[1].assertNotInvoked();
2612	>	f.cancel(mayInterruptIfRunning);
2613	>	checkCompletedWithWrappedCancellationException(h0);
2614	>	checkCompletedWithWrappedCancellationException(h1);
2615	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2616	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2617	>	checkCompletedWithWrappedCancellationException(h2);
2618	>	checkCompletedWithWrappedCancellationException(h3);
2619
2620	<	assertTrue(g.cancel(mayInterruptIfRunning));
2602	<	f.complete(v1);
2603	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2620	>	g.complete(v1);
2621
2622	<	// unspecified behavior
2623	<	Integer v;
2622	>	// unspecified behavior - both source completions available
2623	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2624	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2625		try {
2626	<	assertNull(h.join());
2627	<	assertEquals(1, r.invocationCount);
2610	<	assertEquals(inc(v1), r.value);
2626	>	assertNull(h4.join());
2627	>	rs[4].assertValue(v1);
2628		} catch (CompletionException ok) {
2629	<	checkCompletedWithWrappedCancellationException(h);
2630	<	assertEquals(0, r.invocationCount);
2629	>	checkCompletedWithWrappedCancellationException(h4);
2630	>	rs[4].assertNotInvoked();
2631		}
2615	–
2616	–	checkCancelled(g);
2617	–	checkCompletedNormally(f, v1);
2618	–	}}
2619	–
2620	–	public void testAcceptEither_sourceCancelled4() {
2621	–	for (ExecutionMode m : ExecutionMode.values())
2622	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2623	–	for (Integer v1 : new Integer[] { 1, null })
2624	–	{
2625	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2626	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2627	–	final IncAction r = new IncAction();
2628	–
2629	–	assertTrue(f.cancel(mayInterruptIfRunning));
2630	–	g.complete(v1);
2631	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2632	–
2633	–	// unspecified behavior
2634	–	Integer v;
2632		try {
2633	<	assertNull(h.join());
2634	<	assertEquals(1, r.invocationCount);
2638	<	assertEquals(inc(v1), r.value);
2633	>	assertNull(h5.join());
2634	>	rs[5].assertValue(v1);
2635		} catch (CompletionException ok) {
2636	<	checkCompletedWithWrappedCancellationException(h);
2637	<	assertEquals(0, r.invocationCount);
2636	>	checkCompletedWithWrappedCancellationException(h5);
2637	>	rs[5].assertNotInvoked();
2638		}
2639
2640		checkCancelled(f);
2641		checkCompletedNormally(g, v1);
2642	+	checkCompletedWithWrappedCancellationException(h0);
2643	+	checkCompletedWithWrappedCancellationException(h1);
2644	+	checkCompletedWithWrappedCancellationException(h2);
2645	+	checkCompletedWithWrappedCancellationException(h3);
2646	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2647		}}
2648
2649		/**
2650	<	* runAfterEither result completes normally after normal completion
2650	<	* of either source
2650	>	* acceptEither result completes exceptionally if action does
2651		*/
2652	<	public void testRunAfterEither_normalCompletion1() {
2652	>	public void testAcceptEither_actionFailed() {
2653		for (ExecutionMode m : ExecutionMode.values())
2654		for (Integer v1 : new Integer[] { 1, null })
2655		for (Integer v2 : new Integer[] { 2, null })
2656		{
2657		final CompletableFuture<Integer> f = new CompletableFuture<>();
2658		final CompletableFuture<Integer> g = new CompletableFuture<>();
2659	<	final Noop r = new Noop();
2660	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2659	>	final FailingConsumer[] rs = new FailingConsumer[6];
2660	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2661
2662	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2663	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2664		f.complete(v1);
2665	<	checkCompletedNormally(h, null);
2666	<	assertEquals(1, r.invocationCount);
2665	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2666	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
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);
2674
2675	+	// unspecified behavior - both source completions available
2676	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2677	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2678	+
2679	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2680	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2681	+	Objects.equals(v2, rs[4].value));
2682	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2683	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2684	+	Objects.equals(v2, rs[5].value));
2685	+
2686		checkCompletedNormally(f, v1);
2687		checkCompletedNormally(g, v2);
2669	–	checkCompletedNormally(h, null);
2670	–	assertEquals(1, r.invocationCount);
2688		}}
2689
2690	<	public void testRunAfterEither_normalCompletion2() {
2690	>	/**
2691	>	* runAfterEither result completes normally after normal completion
2692	>	* of either source
2693	>	*/
2694	>	public void testRunAfterEither_normalCompletion() {
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<>();
2702	<	final Noop r = new Noop();
2703	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2702	>	final Noop[] rs = new Noop[6];
2703	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2704
2705	<	g.complete(v2);
2706	<	checkCompletedNormally(h, null);
2707	<	assertEquals(1, r.invocationCount);
2708	<	f.complete(v1);
2709	<
2710	<	checkCompletedNormally(f, v1);
2711	<	checkCompletedNormally(g, v2);
2712	<	checkCompletedNormally(h, null);
2713	<	assertEquals(1, r.invocationCount);
2714	<	}}
2715	<
2716	<	public void testRunAfterEither_normalCompletion3() {
2717	<	for (ExecutionMode m : ExecutionMode.values())
2718	<	for (Integer v1 : new Integer[] { 1, null })
2719	<	for (Integer v2 : new Integer[] { 2, null })
2720	<	{
2721	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2722	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2723	<	final Noop r = new Noop();
2705	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2706	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2707	>	checkIncomplete(h0);
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);
2718	>	rs[0].assertInvoked();
2719	>	rs[1].assertInvoked();
2720	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2721	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2722	>	checkCompletedNormally(h2, null);
2723	>	checkCompletedNormally(h3, null);
2724	>	rs[2].assertInvoked();
2725	>	rs[3].assertInvoked();
2726
2703	–	f.complete(v1);
2727		g.complete(v2);
2705	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2728
2729	<	checkCompletedNormally(h, null);
2729	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2730	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2731	>
2732		checkCompletedNormally(f, v1);
2733		checkCompletedNormally(g, v2);
2734	<	assertEquals(1, r.invocationCount);
2734	>	checkCompletedNormally(h0, null);
2735	>	checkCompletedNormally(h1, null);
2736	>	checkCompletedNormally(h2, null);
2737	>	checkCompletedNormally(h3, null);
2738	>	checkCompletedNormally(h4, null);
2739	>	checkCompletedNormally(h5, null);
2740	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2741		}}
2742
2743		/**
2744		* runAfterEither result completes exceptionally after exceptional
2745		* completion of either source
2746		*/
2747	<	public void testRunAfterEither_exceptionalCompletion1() {
2747	>	public void testRunAfterEither_exceptionalCompletion() {
2748		for (ExecutionMode m : ExecutionMode.values())
2749		for (Integer v1 : new Integer[] { 1, null })
2750		{
2751		final CompletableFuture<Integer> f = new CompletableFuture<>();
2752		final CompletableFuture<Integer> g = new CompletableFuture<>();
2723	–	final Noop r = new Noop();
2724	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2753		final CFException ex = new CFException();
2754	+	final Noop[] rs = new Noop[6];
2755	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2756
2757	<	f.completeExceptionally(ex);
2758	<	checkCompletedWithWrappedCFException(h, ex);
2759	<	g.complete(v1);
2757	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2758	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2759	>	checkIncomplete(h0);
2760	>	checkIncomplete(h1);
2761	>	rs[0].assertNotInvoked();
2762	>	rs[1].assertNotInvoked();
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	>	checkCompletedWithWrappedException(h2, ex);
2769	>	checkCompletedWithWrappedException(h3, ex);
2770	>
2771	>	assertTrue(g.complete(v1));
2772	>
2773	>	// unspecified behavior - both source completions available
2774	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2775	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2776	>	try {
2777	>	assertNull(h4.join());
2778	>	rs[4].assertInvoked();
2779	>	} catch (CompletionException ok) {
2780	>	checkCompletedWithWrappedException(h4, ex);
2781	>	rs[4].assertNotInvoked();
2782	>	}
2783	>	try {
2784	>	assertNull(h5.join());
2785	>	rs[5].assertInvoked();
2786	>	} catch (CompletionException ok) {
2787	>	checkCompletedWithWrappedException(h5, ex);
2788	>	rs[5].assertNotInvoked();
2789	>	}
2790
2791	<	assertEquals(0, r.invocationCount);
2791	>	checkCompletedExceptionally(f, ex);
2792		checkCompletedNormally(g, v1);
2793	<	checkCompletedWithWrappedCFException(f, ex);
2794	<	checkCompletedWithWrappedCFException(h, 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
2801		public void testRunAfterEither_exceptionalCompletion2() {
2802		for (ExecutionMode m : ExecutionMode.values())
2803	+	for (boolean fFirst : new boolean[] { true, false })
2804		for (Integer v1 : new Integer[] { 1, null })
2805		{
2806		final CompletableFuture<Integer> f = new CompletableFuture<>();
2807		final CompletableFuture<Integer> g = new CompletableFuture<>();
2743	–	final Noop r = new Noop();
2744	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2745	–	final CFException ex = new CFException();
2746	–
2747	–	g.completeExceptionally(ex);
2748	–	checkCompletedWithWrappedCFException(h, ex);
2749	–	f.complete(v1);
2750	–
2751	–	assertEquals(0, r.invocationCount);
2752	–	checkCompletedNormally(f, v1);
2753	–	checkCompletedWithWrappedCFException(g, ex);
2754	–	checkCompletedWithWrappedCFException(h, ex);
2755	–	}}
2756	–
2757	–	public void testRunAfterEither_exceptionalCompletion3() {
2758	–	for (ExecutionMode m : ExecutionMode.values())
2759	–	for (Integer v1 : new Integer[] { 1, null })
2760	–	{
2761	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2762	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2763	–	final Noop r = new Noop();
2808		final CFException ex = new CFException();
2809	+	final Noop[] rs = new Noop[6];
2810	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2811
2812	<	g.completeExceptionally(ex);
2813	<	f.complete(v1);
2814	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2812	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2813	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
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
2771	<	Integer v;
2819	>	// unspecified behavior - both source completions available
2820		try {
2821	<	assertNull(h.join());
2822	<	assertEquals(1, r.invocationCount);
2821	>	assertNull(h0.join());
2822	>	rs[0].assertInvoked();
2823		} catch (CompletionException ok) {
2824	<	checkCompletedWithWrappedCFException(h, ex);
2825	<	assertEquals(0, r.invocationCount);
2824	>	checkCompletedWithWrappedException(h0, ex);
2825	>	rs[0].assertNotInvoked();
2826		}
2779	–
2780	–	checkCompletedWithWrappedCFException(g, ex);
2781	–	checkCompletedNormally(f, v1);
2782	–	}}
2783	–
2784	–	public void testRunAfterEither_exceptionalCompletion4() {
2785	–	for (ExecutionMode m : ExecutionMode.values())
2786	–	for (Integer v1 : new Integer[] { 1, null })
2787	–	{
2788	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2789	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2790	–	final Noop r = new Noop();
2791	–	final CFException ex = new CFException();
2792	–
2793	–	f.completeExceptionally(ex);
2794	–	g.complete(v1);
2795	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2796	–
2797	–	// unspecified behavior
2798	–	Integer v;
2827		try {
2828	<	assertNull(h.join());
2829	<	assertEquals(1, r.invocationCount);
2828	>	assertNull(h1.join());
2829	>	rs[1].assertInvoked();
2830		} catch (CompletionException ok) {
2831	<	checkCompletedWithWrappedCFException(h, ex);
2832	<	assertEquals(0, r.invocationCount);
2831	>	checkCompletedWithWrappedException(h1, ex);
2832	>	rs[1].assertNotInvoked();
2833	>	}
2834	>	try {
2835	>	assertNull(h2.join());
2836	>	rs[2].assertInvoked();
2837	>	} catch (CompletionException ok) {
2838	>	checkCompletedWithWrappedException(h2, ex);
2839	>	rs[2].assertNotInvoked();
2840	>	}
2841	>	try {
2842	>	assertNull(h3.join());
2843	>	rs[3].assertInvoked();
2844	>	} catch (CompletionException ok) {
2845	>	checkCompletedWithWrappedException(h3, ex);
2846	>	rs[3].assertNotInvoked();
2847		}
2848
2807	–	checkCompletedWithWrappedCFException(f, ex);
2808	–	checkCompletedNormally(g, v1);
2809	–	}}
2810	–
2811	–	/**
2812	–	* runAfterEither result completes exceptionally if action does
2813	–	*/
2814	–	public void testRunAfterEither_actionFailed1() {
2815	–	for (ExecutionMode m : ExecutionMode.values())
2816	–	for (Integer v1 : new Integer[] { 1, null })
2817	–	for (Integer v2 : new Integer[] { 2, null })
2818	–	{
2819	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2820	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2821	–	final FailingRunnable r = new FailingRunnable();
2822	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2823	–
2824	–	f.complete(v1);
2825	–	checkCompletedWithWrappedCFException(h);
2826	–	g.complete(v2);
2827	–	checkCompletedNormally(f, v1);
2828	–	checkCompletedNormally(g, v2);
2829	–	}}
2830	–
2831	–	public void testRunAfterEither_actionFailed2() {
2832	–	for (ExecutionMode m : ExecutionMode.values())
2833	–	for (Integer v1 : new Integer[] { 1, null })
2834	–	for (Integer v2 : new Integer[] { 2, null })
2835	–	{
2836	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2837	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2838	–	final FailingRunnable r = new FailingRunnable();
2839	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2840	–
2841	–	g.complete(v2);
2842	–	checkCompletedWithWrappedCFException(h);
2843	–	f.complete(v1);
2849		checkCompletedNormally(f, v1);
2850	<	checkCompletedNormally(g, v2);
2850	>	checkCompletedExceptionally(g, ex);
2851		}}
2852
2853		/**
2854		* runAfterEither result completes exceptionally if either source cancelled
2855		*/
2856	<	public void testRunAfterEither_sourceCancelled1() {
2852	<	for (ExecutionMode m : ExecutionMode.values())
2853	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2854	<	for (Integer v1 : new Integer[] { 1, null })
2855	<	{
2856	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2857	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2858	<	final Noop r = new Noop();
2859	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2860	<
2861	<	assertTrue(f.cancel(mayInterruptIfRunning));
2862	<	checkCompletedWithWrappedCancellationException(h);
2863	<	g.complete(v1);
2864	<
2865	<	checkCancelled(f);
2866	<	assertEquals(0, r.invocationCount);
2867	<	checkCompletedNormally(g, v1);
2868	<	checkCompletedWithWrappedCancellationException(h);
2869	<	}}
2870	<
2871	<	public void testRunAfterEither_sourceCancelled2() {
2856	>	public void testRunAfterEither_sourceCancelled() {
2857		for (ExecutionMode m : ExecutionMode.values())
2858		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2859		for (Integer v1 : new Integer[] { 1, null })
2860		{
2861		final CompletableFuture<Integer> f = new CompletableFuture<>();
2862		final CompletableFuture<Integer> g = new CompletableFuture<>();
2863	<	final Noop r = new Noop();
2864	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2863	>	final Noop[] rs = new Noop[6];
2864	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2865
2866	<	assertTrue(g.cancel(mayInterruptIfRunning));
2867	<	checkCompletedWithWrappedCancellationException(h);
2868	<	f.complete(v1);
2869	<
2870	<	checkCancelled(g);
2871	<	assertEquals(0, r.invocationCount);
2872	<	checkCompletedNormally(f, v1);
2873	<	checkCompletedWithWrappedCancellationException(h);
2874	<	}}
2875	<
2876	<	public void testRunAfterEither_sourceCancelled3() {
2877	<	for (ExecutionMode m : ExecutionMode.values())
2878	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2879	<	for (Integer v1 : new Integer[] { 1, null })
2880	<	{
2881	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2882	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2883	<	final Noop r = new Noop();
2884	<
2885	<	assertTrue(g.cancel(mayInterruptIfRunning));
2886	<	f.complete(v1);
2887	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2888	<
2889	<	// unspecified behavior
2890	<	Integer v;
2866	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2867	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2868	>	checkIncomplete(h0);
2869	>	checkIncomplete(h1);
2870	>	rs[0].assertNotInvoked();
2871	>	rs[1].assertNotInvoked();
2872	>	f.cancel(mayInterruptIfRunning);
2873	>	checkCompletedWithWrappedCancellationException(h0);
2874	>	checkCompletedWithWrappedCancellationException(h1);
2875	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2876	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2877	>	checkCompletedWithWrappedCancellationException(h2);
2878	>	checkCompletedWithWrappedCancellationException(h3);
2879	>
2880	>	assertTrue(g.complete(v1));
2881	>
2882	>	// unspecified behavior - both source completions available
2883	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2884	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2885	>	try {
2886	>	assertNull(h4.join());
2887	>	rs[4].assertInvoked();
2888	>	} catch (CompletionException ok) {
2889	>	checkCompletedWithWrappedCancellationException(h4);
2890	>	rs[4].assertNotInvoked();
2891	>	}
2892		try {
2893	<	assertNull(h.join());
2894	<	assertEquals(1, r.invocationCount);
2893	>	assertNull(h5.join());
2894	>	rs[5].assertInvoked();
2895		} catch (CompletionException ok) {
2896	<	checkCompletedWithWrappedCancellationException(h);
2897	<	assertEquals(0, r.invocationCount);
2896	>	checkCompletedWithWrappedCancellationException(h5);
2897	>	rs[5].assertNotInvoked();
2898		}
2899
2900	<	checkCancelled(g);
2901	<	checkCompletedNormally(f, v1);
2900	>	checkCancelled(f);
2901	>	checkCompletedNormally(g, v1);
2902	>	checkCompletedWithWrappedCancellationException(h0);
2903	>	checkCompletedWithWrappedCancellationException(h1);
2904	>	checkCompletedWithWrappedCancellationException(h2);
2905	>	checkCompletedWithWrappedCancellationException(h3);
2906	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2907		}}
2908
2909	<	public void testRunAfterEither_sourceCancelled4() {
2909	>	/**
2910	>	* runAfterEither result completes exceptionally if action does
2911	>	*/
2912	>	public void testRunAfterEither_actionFailed() {
2913		for (ExecutionMode m : ExecutionMode.values())
2920	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2914		for (Integer v1 : new Integer[] { 1, null })
2915	+	for (Integer v2 : new Integer[] { 2, null })
2916		{
2917		final CompletableFuture<Integer> f = new CompletableFuture<>();
2918		final CompletableFuture<Integer> g = new CompletableFuture<>();
2919	<	final Noop r = new Noop();
2919	>	final FailingRunnable[] rs = new FailingRunnable[6];
2920	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2921
2922	<	assertTrue(f.cancel(mayInterruptIfRunning));
2923	<	g.complete(v1);
2924	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2925	<
2926	<	// unspecified behavior
2927	<	Integer v;
2928	<	try {
2929	<	assertNull(h.join());
2930	<	assertEquals(1, r.invocationCount);
2931	<	} catch (CompletionException ok) {
2932	<	checkCompletedWithWrappedCancellationException(h);
2933	<	assertEquals(0, r.invocationCount);
2934	<	}
2922	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2923	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
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	>	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	>	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	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2936	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2937
2938	<	checkCancelled(f);
2939	<	checkCompletedNormally(g, v1);
2938	>	checkCompletedNormally(f, v1);
2939	>	checkCompletedNormally(g, v2);
2940	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2941		}}
2942
2943		/**
#	Line 2951 | Line 2949 | public class CompletableFutureTest exten
2949		for (Integer v1 : new Integer[] { 1, null })
2950		{
2951		final CompletableFuture<Integer> f = new CompletableFuture<>();
2952	<	final CompletableFutureInc r = new CompletableFutureInc();
2953	<	if (!createIncomplete) f.complete(v1);
2954	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2955	<	if (createIncomplete) f.complete(v1);
2952	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2953	>	if (!createIncomplete) assertTrue(f.complete(v1));
2954	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2955	>	if (createIncomplete) assertTrue(f.complete(v1));
2956
2957		checkCompletedNormally(g, inc(v1));
2958		checkCompletedNormally(f, v1);
2959	<	assertEquals(1, r.invocationCount);
2959	>	r.assertValue(v1);
2960		}}
2961
2962		/**
#	Line 2970 | Line 2968 | public class CompletableFutureTest exten
2968		for (boolean createIncomplete : new boolean[] { true, false })
2969		{
2970		final CFException ex = new CFException();
2971	<	final CompletableFutureInc r = new CompletableFutureInc();
2971	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2972		final CompletableFuture<Integer> f = new CompletableFuture<>();
2973		if (!createIncomplete) f.completeExceptionally(ex);
2974	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2974	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2975		if (createIncomplete) f.completeExceptionally(ex);
2976
2977	<	checkCompletedWithWrappedCFException(g, ex);
2978	<	checkCompletedWithWrappedCFException(f, ex);
2979	<	assertEquals(0, r.invocationCount);
2977	>	checkCompletedWithWrappedException(g, ex);
2978	>	checkCompletedExceptionally(f, ex);
2979	>	r.assertNotInvoked();
2980		}}
2981
2982		/**
#	Line 2991 | Line 2989 | public class CompletableFutureTest exten
2989		{
2990		final CompletableFuture<Integer> f = new CompletableFuture<>();
2991		final FailingCompletableFutureFunction r
2992	<	= new FailingCompletableFutureFunction();
2993	<	if (!createIncomplete) f.complete(v1);
2994	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2995	<	if (createIncomplete) f.complete(v1);
2992	>	= new FailingCompletableFutureFunction(m);
2993	>	if (!createIncomplete) assertTrue(f.complete(v1));
2994	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2995	>	if (createIncomplete) assertTrue(f.complete(v1));
2996
2997	<	checkCompletedWithWrappedCFException(g);
2997	>	checkCompletedWithWrappedException(g, r.ex);
2998		checkCompletedNormally(f, v1);
2999		}}
3000
#	Line 3009 | Line 3007 | public class CompletableFutureTest exten
3007		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3008		{
3009		final CompletableFuture<Integer> f = new CompletableFuture<>();
3010	<	final CompletableFutureInc r = new CompletableFutureInc();
3010	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3011		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3012	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3012	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3013		if (createIncomplete) {
3014		checkIncomplete(g);
3015		assertTrue(f.cancel(mayInterruptIfRunning));
#	Line 3021 | 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 3037 | 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) {
3091	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3092	<	for (int i = 0; i < k; ++i)
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++)
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 3052 | Line 3103 | public class CompletableFutureTest exten
3103		}
3104		}
3105
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++)
3111	+	fs[i] = new CompletableFuture<>();
3112	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3113	+	for (int i = k - 1; i >= 0; i--) {
3114	+	checkIncomplete(f);
3115	+	checkIncomplete(CompletableFuture.allOf(fs));
3116	+	fs[i].complete(one);
3117	+	}
3118	+	checkCompletedNormally(f, null);
3119	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
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 3083 | 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 3100 | Line 3234 | public class CompletableFutureTest exten
3234		/**
3235		* Completion methods throw NullPointerException with null arguments
3236		*/
3237	+	@SuppressWarnings("FutureReturnValueIgnored")
3238		public void testNPE() {
3239		CompletableFuture<Integer> f = new CompletableFuture<>();
3240		CompletableFuture<Integer> g = new CompletableFuture<>();
3241		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3107	–	CompletableFuture<?> h;
3242		ThreadExecutor exec = new ThreadExecutor();
3243
3244		Runnable[] throwingActions = {
3245		() -> CompletableFuture.supplyAsync(null),
3246		() -> CompletableFuture.supplyAsync(null, exec),
3247	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3247	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3248
3249		() -> CompletableFuture.runAsync(null),
3250		() -> CompletableFuture.runAsync(null, exec),
#	Line 3120 | Line 3254 | public class CompletableFutureTest exten
3254
3255		() -> f.thenApply(null),
3256		() -> f.thenApplyAsync(null),
3257	<	() -> f.thenApplyAsync((x) -> x, null),
3257	>	() -> f.thenApplyAsync(x -> x, null),
3258		() -> f.thenApplyAsync(null, exec),
3259
3260		() -> f.thenAccept(null),
3261		() -> f.thenAcceptAsync(null),
3262	<	() -> f.thenAcceptAsync((x) -> {} , null),
3262	>	() -> f.thenAcceptAsync(x -> {} , null),
3263		() -> f.thenAcceptAsync(null, exec),
3264
3265		() -> f.thenRun(null),
#	Line 3160 | Line 3294 | public class CompletableFutureTest exten
3294		() -> f.applyToEither(g, null),
3295		() -> f.applyToEitherAsync(g, null),
3296		() -> f.applyToEitherAsync(g, null, exec),
3297	<	() -> f.applyToEither(nullFuture, (x) -> x),
3298	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3299	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3300	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3297	>	() -> f.applyToEither(nullFuture, x -> x),
3298	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3299	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3300	>	() -> f.applyToEitherAsync(g, x -> x, null),
3301
3302		() -> f.acceptEither(g, null),
3303		() -> f.acceptEitherAsync(g, null),
3304		() -> f.acceptEitherAsync(g, null, exec),
3305	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3306	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3307	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3308	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3305	>	() -> f.acceptEither(nullFuture, x -> {}),
3306	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3307	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3308	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3309
3310		() -> f.runAfterEither(g, null),
3311		() -> f.runAfterEitherAsync(g, null),
#	Line 3183 | Line 3317 | public class CompletableFutureTest exten
3317
3318		() -> f.thenCompose(null),
3319		() -> f.thenComposeAsync(null),
3320	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3320	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3321		() -> f.thenComposeAsync(null, exec),
3322
3323		() -> f.exceptionally(null),
#	Line 3201 | Line 3335 | public class CompletableFutureTest exten
3335		() -> CompletableFuture.anyOf(null, f),
3336
3337		() -> f.obtrudeException(null),
3338	+
3339	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3340	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3341	+	() -> CompletableFuture.delayedExecutor(1L, null),
3342	+
3343	+	() -> f.orTimeout(1L, null),
3344	+	() -> f.completeOnTimeout(42, 1L, null),
3345	+
3346	+	() -> CompletableFuture.failedFuture(null),
3347	+	() -> CompletableFuture.failedStage(null),
3348		};
3349
3350		assertThrows(NullPointerException.class, throwingActions);
#	Line 3208 | Line 3352 | public class CompletableFutureTest exten
3352		}
3353
3354		/**
3355	+	* Test submissions to an executor that rejects all tasks.
3356	+	*/
3357	+	public void testRejectingExecutor() {
3358	+	for (Integer v : new Integer[] { 1, null })
3359	+	{
3360	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3361	+
3362	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3363	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3364	+
3365	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3366	+
3367	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3368	+	srcs.add(complete);
3369	+	srcs.add(incomplete);
3370	+
3371	+	for (CompletableFuture<Integer> src : srcs) {
3372	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3373	+	fs.add(src.thenRunAsync(() -> {}, e));
3374	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3375	+	fs.add(src.thenApplyAsync(z -> z, e));
3376	+
3377	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3378	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3379	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3380	+
3381	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3382	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3383	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3384	+
3385	+	fs.add(src.thenComposeAsync(z -> null, e));
3386	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3387	+	fs.add(src.handleAsync((z, t) -> null, e));
3388	+
3389	+	for (CompletableFuture<?> future : fs) {
3390	+	if (src.isDone())
3391	+	checkCompletedWithWrappedException(future, e.ex);
3392	+	else
3393	+	checkIncomplete(future);
3394	+	}
3395	+	futures.addAll(fs);
3396	+	}
3397	+
3398	+	{
3399	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3400	+
3401	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3402	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3403	+
3404	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3405	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3406	+
3407	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3408	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3409	+
3410	+	for (CompletableFuture<?> future : fs)
3411	+	checkIncomplete(future);
3412	+	futures.addAll(fs);
3413	+	}
3414	+
3415	+	{
3416	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3417	+
3418	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3419	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3420	+
3421	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3422	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3423	+
3424	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3425	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3426	+
3427	+	for (CompletableFuture<?> future : fs)
3428	+	checkCompletedWithWrappedException(future, e.ex);
3429	+	futures.addAll(fs);
3430	+	}
3431	+
3432	+	incomplete.complete(v);
3433	+
3434	+	for (CompletableFuture<?> future : futures)
3435	+	checkCompletedWithWrappedException(future, e.ex);
3436	+
3437	+	assertEquals(futures.size(), e.count.get());
3438	+	}}
3439	+
3440	+	/**
3441	+	* Test submissions to an executor that rejects all tasks, but
3442	+	* should never be invoked because the dependent future is
3443	+	* explicitly completed.
3444	+	*/
3445	+	public void testRejectingExecutorNeverInvoked() {
3446	+	for (Integer v : new Integer[] { 1, null })
3447	+	{
3448	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3449	+
3450	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3451	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3452	+
3453	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3454	+
3455	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3456	+	srcs.add(complete);
3457	+	srcs.add(incomplete);
3458	+
3459	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3460	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3461	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3462	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3463	+
3464	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3465	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3466	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3467	+
3468	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3469	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3470	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3471	+
3472	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3473	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3474	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3475	+
3476	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3477	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3478	+
3479	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3480	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3481	+
3482	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3483	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3484	+
3485	+	for (CompletableFuture<?> future : fs)
3486	+	checkIncomplete(future);
3487	+
3488	+	for (CompletableFuture<?> future : fs)
3489	+	future.complete(null);
3490	+
3491	+	incomplete.complete(v);
3492	+
3493	+	for (CompletableFuture<?> future : fs)
3494	+	checkCompletedNormally(future, null);
3495	+
3496	+	assertEquals(0, e.count.get());
3497	+	}}
3498	+
3499	+	/**
3500		* toCompletableFuture returns this CompletableFuture.
3501		*/
3502		public void testToCompletableFuture() {
#	Line 3215 | Line 3504 | public class CompletableFutureTest exten
3504		assertSame(f, f.toCompletableFuture());
3505		}
3506
3507	+	// jdk9
3508	+
3509		/**
3510	<	* whenComplete action executes on normal completion, propagating
3220	<	* source result.
3510	>	* newIncompleteFuture returns an incomplete CompletableFuture
3511		*/
3512	<	public void testWhenComplete_normalCompletion1() {
3223	<	for (ExecutionMode m : ExecutionMode.values())
3224	<	for (boolean createIncomplete : new boolean[] { true, false })
3512	>	public void testNewIncompleteFuture() {
3513		for (Integer v1 : new Integer[] { 1, null })
3514		{
3515	<	final AtomicInteger a = new AtomicInteger(0);
3516	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3517	<	if (!createIncomplete) f.complete(v1);
3518	<	final CompletableFuture<Integer> g = m.whenComplete
3519	<	(f,
3232	<	(Integer x, Throwable t) -> {
3233	<	threadAssertSame(x, v1);
3234	<	threadAssertNull(t);
3235	<	a.getAndIncrement();
3236	<	});
3237	<	if (createIncomplete) f.complete(v1);
3238	<
3239	<	checkCompletedNormally(g, v1);
3515	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3516	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3517	>	checkIncomplete(f);
3518	>	checkIncomplete(g);
3519	>	f.complete(v1);
3520		checkCompletedNormally(f, v1);
3521	<	assertEquals(1, a.get());
3521	>	checkIncomplete(g);
3522	>	g.complete(v1);
3523	>	checkCompletedNormally(g, v1);
3524	>	assertSame(g.getClass(), CompletableFuture.class);
3525		}}
3526
3527		/**
3528	<	* whenComplete action executes on exceptional completion, propagating
3246	<	* source result.
3528	>	* completedStage returns a completed CompletionStage
3529		*/
3530	<	public void testWhenComplete_exceptionalCompletion() {
3531	<	for (ExecutionMode m : ExecutionMode.values())
3530	>	public void testCompletedStage() {
3531	>	AtomicInteger x = new AtomicInteger(0);
3532	>	AtomicReference<Throwable> r = new AtomicReference<>();
3533	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3534	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3535	>	assertEquals(x.get(), 1);
3536	>	assertNull(r.get());
3537	>	}
3538	>
3539	>	/**
3540	>	* defaultExecutor by default returns the commonPool if
3541	>	* it supports more than one thread.
3542	>	*/
3543	>	public void testDefaultExecutor() {
3544	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3545	>	Executor e = f.defaultExecutor();
3546	>	Executor c = ForkJoinPool.commonPool();
3547	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3548	>	assertSame(e, c);
3549	>	else
3550	>	assertNotSame(e, c);
3551	>	}
3552	>
3553	>	/**
3554	>	* failedFuture returns a CompletableFuture completed
3555	>	* exceptionally with the given Exception
3556	>	*/
3557	>	public void testFailedFuture() {
3558	>	CFException ex = new CFException();
3559	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3560	>	checkCompletedExceptionally(f, ex);
3561	>	}
3562	>
3563	>	/**
3564	>	* failedFuture(null) throws NPE
3565	>	*/
3566	>	public void testFailedFuture_null() {
3567	>	try {
3568	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3569	>	shouldThrow();
3570	>	} catch (NullPointerException success) {}
3571	>	}
3572	>
3573	>	/**
3574	>	* copy returns a CompletableFuture that is completed normally,
3575	>	* with the same value, when source is.
3576	>	*/
3577	>	public void testCopy_normalCompletion() {
3578		for (boolean createIncomplete : new boolean[] { true, false })
3579		for (Integer v1 : new Integer[] { 1, null })
3580		{
3581	<	final AtomicInteger a = new AtomicInteger(0);
3582	<	final CFException ex = new CFException();
3583	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3581	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3582	>	if (!createIncomplete) assertTrue(f.complete(v1));
3583	>	CompletableFuture<Integer> g = f.copy();
3584	>	if (createIncomplete) {
3585	>	checkIncomplete(f);
3586	>	checkIncomplete(g);
3587	>	assertTrue(f.complete(v1));
3588	>	}
3589	>	checkCompletedNormally(f, v1);
3590	>	checkCompletedNormally(g, v1);
3591	>	}}
3592	>
3593	>	/**
3594	>	* copy returns a CompletableFuture that is completed exceptionally
3595	>	* when source is.
3596	>	*/
3597	>	public void testCopy_exceptionalCompletion() {
3598	>	for (boolean createIncomplete : new boolean[] { true, false })
3599	>	{
3600	>	CFException ex = new CFException();
3601	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3602		if (!createIncomplete) f.completeExceptionally(ex);
3603	<	final CompletableFuture<Integer> g = m.whenComplete
3604	<	(f,
3605	<	(Integer x, Throwable t) -> {
3606	<	threadAssertNull(x);
3607	<	threadAssertSame(t, ex);
3608	<	a.getAndIncrement();
3609	<	});
3610	<	if (createIncomplete) f.completeExceptionally(ex);
3265	<	checkCompletedWithWrappedCFException(f, ex);
3266	<	checkCompletedWithWrappedCFException(g, ex);
3267	<	assertEquals(1, a.get());
3603	>	CompletableFuture<Integer> g = f.copy();
3604	>	if (createIncomplete) {
3605	>	checkIncomplete(f);
3606	>	checkIncomplete(g);
3607	>	f.completeExceptionally(ex);
3608	>	}
3609	>	checkCompletedExceptionally(f, ex);
3610	>	checkCompletedWithWrappedException(g, ex);
3611		}}
3612
3613		/**
3614	<	* whenComplete action executes on cancelled source, propagating
3272	<	* CancellationException.
3614	>	* Completion of a copy does not complete its source.
3615		*/
3616	<	public void testWhenComplete_sourceCancelled() {
3616	>	public void testCopy_oneWayPropagation() {
3617	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3618	>	assertTrue(f.copy().complete(1));
3619	>	assertTrue(f.copy().complete(null));
3620	>	assertTrue(f.copy().cancel(true));
3621	>	assertTrue(f.copy().cancel(false));
3622	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3623	>	checkIncomplete(f);
3624	>	}
3625	>
3626	>	/**
3627	>	* minimalCompletionStage returns a CompletableFuture that is
3628	>	* completed normally, with the same value, when source is.
3629	>	*/
3630	>	public void testMinimalCompletionStage() {
3631	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3632	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3633	>	AtomicInteger x = new AtomicInteger(0);
3634	>	AtomicReference<Throwable> r = new AtomicReference<>();
3635	>	checkIncomplete(f);
3636	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3637	>	f.complete(1);
3638	>	checkCompletedNormally(f, 1);
3639	>	assertEquals(x.get(), 1);
3640	>	assertNull(r.get());
3641	>	}
3642	>
3643	>	/**
3644	>	* minimalCompletionStage returns a CompletableFuture that is
3645	>	* completed exceptionally when source is.
3646	>	*/
3647	>	public void testMinimalCompletionStage2() {
3648	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3649	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3650	>	AtomicInteger x = new AtomicInteger(0);
3651	>	AtomicReference<Throwable> r = new AtomicReference<>();
3652	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3653	>	checkIncomplete(f);
3654	>	CFException ex = new CFException();
3655	>	f.completeExceptionally(ex);
3656	>	checkCompletedExceptionally(f, ex);
3657	>	assertEquals(x.get(), 0);
3658	>	assertEquals(r.get().getCause(), ex);
3659	>	}
3660	>
3661	>	/**
3662	>	* failedStage returns a CompletionStage completed
3663	>	* exceptionally with the given Exception
3664	>	*/
3665	>	public void testFailedStage() {
3666	>	CFException ex = new CFException();
3667	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3668	>	AtomicInteger x = new AtomicInteger(0);
3669	>	AtomicReference<Throwable> r = new AtomicReference<>();
3670	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3671	>	assertEquals(x.get(), 0);
3672	>	assertEquals(r.get(), ex);
3673	>	}
3674	>
3675	>	/**
3676	>	* completeAsync completes with value of given supplier
3677	>	*/
3678	>	public void testCompleteAsync() {
3679	>	for (Integer v1 : new Integer[] { 1, null })
3680	>	{
3681	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3682	>	f.completeAsync(() -> v1);
3683	>	f.join();
3684	>	checkCompletedNormally(f, v1);
3685	>	}}
3686	>
3687	>	/**
3688	>	* completeAsync completes exceptionally if given supplier throws
3689	>	*/
3690	>	public void testCompleteAsync2() {
3691	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3692	>	CFException ex = new CFException();
3693	>	f.completeAsync(() -> { throw ex; });
3694	>	try {
3695	>	f.join();
3696	>	shouldThrow();
3697	>	} catch (CompletionException success) {}
3698	>	checkCompletedWithWrappedException(f, ex);
3699	>	}
3700	>
3701	>	/**
3702	>	* completeAsync with given executor completes with value of given supplier
3703	>	*/
3704	>	public void testCompleteAsync3() {
3705	>	for (Integer v1 : new Integer[] { 1, null })
3706	>	{
3707	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3708	>	ThreadExecutor executor = new ThreadExecutor();
3709	>	f.completeAsync(() -> v1, executor);
3710	>	assertSame(v1, f.join());
3711	>	checkCompletedNormally(f, v1);
3712	>	assertEquals(1, executor.count.get());
3713	>	}}
3714	>
3715	>	/**
3716	>	* completeAsync with given executor completes exceptionally if
3717	>	* given supplier throws
3718	>	*/
3719	>	public void testCompleteAsync4() {
3720	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3721	>	CFException ex = new CFException();
3722	>	ThreadExecutor executor = new ThreadExecutor();
3723	>	f.completeAsync(() -> { throw ex; }, executor);
3724	>	try {
3725	>	f.join();
3726	>	shouldThrow();
3727	>	} catch (CompletionException success) {}
3728	>	checkCompletedWithWrappedException(f, ex);
3729	>	assertEquals(1, executor.count.get());
3730	>	}
3731	>
3732	>	/**
3733	>	* orTimeout completes with TimeoutException if not complete
3734	>	*/
3735	>	public void testOrTimeout_timesOut() {
3736	>	long timeoutMillis = timeoutMillis();
3737	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3738	>	long startTime = System.nanoTime();
3739	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3740	>	checkCompletedWithTimeoutException(f);
3741	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3742	>	}
3743	>
3744	>	/**
3745	>	* orTimeout completes normally if completed before timeout
3746	>	*/
3747	>	public void testOrTimeout_completed() {
3748	>	for (Integer v1 : new Integer[] { 1, null })
3749	>	{
3750	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3751	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3752	>	long startTime = System.nanoTime();
3753	>	f.complete(v1);
3754	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3755	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3756	>	g.complete(v1);
3757	>	checkCompletedNormally(f, v1);
3758	>	checkCompletedNormally(g, v1);
3759	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3760	>	}}
3761	>
3762	>	/**
3763	>	* completeOnTimeout completes with given value if not complete
3764	>	*/
3765	>	public void testCompleteOnTimeout_timesOut() {
3766	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3767	>	() -> testCompleteOnTimeout_timesOut(null));
3768	>	}
3769	>
3770	>	/**
3771	>	* completeOnTimeout completes with given value if not complete
3772	>	*/
3773	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3774	>	long timeoutMillis = timeoutMillis();
3775	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3776	>	long startTime = System.nanoTime();
3777	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3778	>	assertSame(v, f.join());
3779	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3780	>	f.complete(99);         // should have no effect
3781	>	checkCompletedNormally(f, v);
3782	>	}
3783	>
3784	>	/**
3785	>	* completeOnTimeout has no effect if completed within timeout
3786	>	*/
3787	>	public void testCompleteOnTimeout_completed() {
3788	>	for (Integer v1 : new Integer[] { 1, null })
3789	>	{
3790	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3791	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3792	>	long startTime = System.nanoTime();
3793	>	f.complete(v1);
3794	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3795	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3796	>	g.complete(v1);
3797	>	checkCompletedNormally(f, v1);
3798	>	checkCompletedNormally(g, v1);
3799	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3800	>	}}
3801	>
3802	>	/**
3803	>	* delayedExecutor returns an executor that delays submission
3804	>	*/
3805	>	public void testDelayedExecutor() {
3806	>	testInParallel(() -> testDelayedExecutor(null, null),
3807	>	() -> testDelayedExecutor(null, 1),
3808	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3809	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3810	>	}
3811	>
3812	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3813	>	long timeoutMillis = timeoutMillis();
3814	>	// Use an "unreasonably long" long timeout to catch lingering threads
3815	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3816	>	final Executor delayer, longDelayer;
3817	>	if (executor == null) {
3818	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3819	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3820	>	} else {
3821	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3822	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3823	>	}
3824	>	long startTime = System.nanoTime();
3825	>	CompletableFuture<Integer> f =
3826	>	CompletableFuture.supplyAsync(() -> v, delayer);
3827	>	CompletableFuture<Integer> g =
3828	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3829	>
3830	>	assertNull(g.getNow(null));
3831	>
3832	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3833	>	long millisElapsed = millisElapsedSince(startTime);
3834	>	assertTrue(millisElapsed >= timeoutMillis);
3835	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3836	>
3837	>	checkCompletedNormally(f, v);
3838	>
3839	>	checkIncomplete(g);
3840	>	assertTrue(g.cancel(true));
3841	>	}
3842	>
3843	>	//--- tests of implementation details; not part of official tck ---
3844	>
3845	>	Object resultOf(CompletableFuture<?> f) {
3846	>	SecurityManager sm = System.getSecurityManager();
3847	>	if (sm != null) {
3848	>	try {
3849	>	System.setSecurityManager(null);
3850	>	} catch (SecurityException giveUp) {
3851	>	return "Reflection not available";
3852	>	}
3853	>	}
3854	>
3855	>	try {
3856	>	java.lang.reflect.Field resultField
3857	>	= CompletableFuture.class.getDeclaredField("result");
3858	>	resultField.setAccessible(true);
3859	>	return resultField.get(f);
3860	>	} catch (Throwable t) {
3861	>	throw new AssertionError(t);
3862	>	} finally {
3863	>	if (sm != null) System.setSecurityManager(sm);
3864	>	}
3865	>	}
3866	>
3867	>	public void testExceptionPropagationReusesResultObject() {
3868	>	if (!testImplementationDetails) return;
3869		for (ExecutionMode m : ExecutionMode.values())
3276	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3277	–	for (boolean createIncomplete : new boolean[] { true, false })
3870		{
3871	<	final AtomicInteger a = new AtomicInteger(0);
3872	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3873	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3282	<	final CompletableFuture<Integer> g = m.whenComplete
3283	<	(f,
3284	<	(Integer x, Throwable t) -> {
3285	<	threadAssertNull(x);
3286	<	threadAssertTrue(t instanceof CancellationException);
3287	<	a.getAndIncrement();
3288	<	});
3289	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3871	>	final CFException ex = new CFException();
3872	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3873	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3874
3875	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3876	<	checkCompletedWithWrappedCancellationException(g);
3877	<	checkCancelled(f);
3878	<	assertEquals(1, a.get());
3875	>	final Runnable noopRunnable = new Noop(m);
3876	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3877	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
3878	>
3879	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3880	>	= new ArrayList<>();
3881	>
3882	>	funs.add(y -> m.thenRun(y, noopRunnable));
3883	>	funs.add(y -> m.thenAccept(y, noopConsumer));
3884	>	funs.add(y -> m.thenApply(y, incFunction));
3885	>
3886	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3887	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3888	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3889	>
3890	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3891	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3892	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3893	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3894	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3895	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3896	>
3897	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3898	>
3899	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3900	>
3901	>	funs.add(y -> CompletableFuture.allOf(y));
3902	>	funs.add(y -> CompletableFuture.allOf(y, v42));
3903	>	funs.add(y -> CompletableFuture.allOf(v42, y));
3904	>	funs.add(y -> CompletableFuture.anyOf(y));
3905	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3906	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3907	>
3908	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3909	>	fun : funs) {
3910	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3911	>	f.completeExceptionally(ex);
3912	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3913	>	checkCompletedWithWrappedException(src, ex);
3914	>	CompletableFuture<?> dep = fun.apply(src);
3915	>	checkCompletedWithWrappedException(dep, ex);
3916	>	assertSame(resultOf(src), resultOf(dep));
3917	>	}
3918	>
3919	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3920	>	fun : funs) {
3921	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3922	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3923	>	CompletableFuture<?> dep = fun.apply(src);
3924	>	f.completeExceptionally(ex);
3925	>	checkCompletedWithWrappedException(src, ex);
3926	>	checkCompletedWithWrappedException(dep, ex);
3927	>	assertSame(resultOf(src), resultOf(dep));
3928	>	}
3929	>
3930	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3931	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3932	>	fun : funs) {
3933	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3934	>	f.cancel(mayInterruptIfRunning);
3935	>	checkCancelled(f);
3936	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3937	>	checkCompletedWithWrappedCancellationException(src);
3938	>	CompletableFuture<?> dep = fun.apply(src);
3939	>	checkCompletedWithWrappedCancellationException(dep);
3940	>	assertSame(resultOf(src), resultOf(dep));
3941	>	}
3942	>
3943	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3944	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3945	>	fun : funs) {
3946	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3947	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3948	>	CompletableFuture<?> dep = fun.apply(src);
3949	>	f.cancel(mayInterruptIfRunning);
3950	>	checkCancelled(f);
3951	>	checkCompletedWithWrappedCancellationException(src);
3952	>	checkCompletedWithWrappedCancellationException(dep);
3953	>	assertSame(resultOf(src), resultOf(dep));
3954	>	}
3955		}}
3956
3957		/**
3958	<	* If a whenComplete action throws an exception when triggered by
3959	<	* a normal completion, it completes exceptionally
3958	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3959	>	*/
3960	>	public void testMinimalCompletionStage_minimality() {
3961	>	if (!testImplementationDetails) return;
3962	>	Function<Method, String> toSignature =
3963	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3964	>	Predicate<Method> isNotStatic =
3965	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3966	>	List<Method> minimalMethods =
3967	>	Stream.of(Object.class, CompletionStage.class)
3968	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3969	>	.filter(isNotStatic)
3970	>	.collect(Collectors.toList());
3971	>	// Methods from CompletableFuture permitted NOT to throw UOE
3972	>	String[] signatureWhitelist = {
3973	>	"newIncompleteFuture[]",
3974	>	"defaultExecutor[]",
3975	>	"minimalCompletionStage[]",
3976	>	"copy[]",
3977	>	};
3978	>	Set<String> permittedMethodSignatures =
3979	>	Stream.concat(minimalMethods.stream().map(toSignature),
3980	>	Stream.of(signatureWhitelist))
3981	>	.collect(Collectors.toSet());
3982	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3983	>	.filter(isNotStatic)
3984	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3985	>	.collect(Collectors.toList());
3986	>
3987	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
3988	>	CompletionStage<Integer> min =
3989	>	new CompletableFuture<Integer>().minimalCompletionStage();
3990	>	stages.add(min);
3991	>	stages.add(min.thenApply(x -> x));
3992	>	stages.add(CompletableFuture.completedStage(1));
3993	>	stages.add(CompletableFuture.failedStage(new CFException()));
3994	>
3995	>	List<Method> bugs = new ArrayList<>();
3996	>	for (Method method : allMethods) {
3997	>	Class<?>[] parameterTypes = method.getParameterTypes();
3998	>	Object[] args = new Object[parameterTypes.length];
3999	>	// Manufacture boxed primitives for primitive params
4000	>	for (int i = 0; i < args.length; i++) {
4001	>	Class<?> type = parameterTypes[i];
4002	>	if (parameterTypes[i] == boolean.class)
4003	>	args[i] = false;
4004	>	else if (parameterTypes[i] == int.class)
4005	>	args[i] = 0;
4006	>	else if (parameterTypes[i] == long.class)
4007	>	args[i] = 0L;
4008	>	}
4009	>	for (CompletionStage<Integer> stage : stages) {
4010	>	try {
4011	>	method.invoke(stage, args);
4012	>	bugs.add(method);
4013	>	}
4014	>	catch (java.lang.reflect.InvocationTargetException expected) {
4015	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4016	>	bugs.add(method);
4017	>	// expected.getCause().printStackTrace();
4018	>	}
4019	>	}
4020	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4021	>	}
4022	>	}
4023	>	if (!bugs.isEmpty())
4024	>	throw new Error("Methods did not throw UOE: " + bugs);
4025	>	}
4026	>
4027	>	/**
4028	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4029	>	* is completed normally, with the same value, when source is.
4030		*/
4031	<	public void testWhenComplete_actionFailed() {
4031	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4032		for (boolean createIncomplete : new boolean[] { true, false })
3303	–	for (ExecutionMode m : ExecutionMode.values())
4033		for (Integer v1 : new Integer[] { 1, null })
4034		{
4035	<	final AtomicInteger a = new AtomicInteger(0);
4036	<	final CFException ex = new CFException();
4037	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4038	<	if (!createIncomplete) f.complete(v1);
4039	<	final CompletableFuture<Integer> g = m.whenComplete
4040	<	(f,
4041	<	(Integer x, Throwable t) -> {
4042	<	threadAssertSame(x, v1);
4043	<	threadAssertNull(t);
3315	<	a.getAndIncrement();
3316	<	throw ex;
3317	<	});
3318	<	if (createIncomplete) f.complete(v1);
4035	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4036	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4037	>	if (!createIncomplete) assertTrue(f.complete(v1));
4038	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4039	>	if (createIncomplete) {
4040	>	checkIncomplete(f);
4041	>	checkIncomplete(g);
4042	>	assertTrue(f.complete(v1));
4043	>	}
4044		checkCompletedNormally(f, v1);
4045	<	checkCompletedWithWrappedCFException(g, ex);
3321	<	assertEquals(1, a.get());
4045	>	checkCompletedNormally(g, v1);
4046		}}
4047
4048		/**
4049	<	* If a whenComplete action throws an exception when triggered by
4050	<	* a source completion that also throws an exception, the source
3327	<	* exception takes precedence.
4049	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4050	>	* is completed exceptionally when source is.
4051		*/
4052	<	public void testWhenComplete_actionFailedSourceFailed() {
4052	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4053		for (boolean createIncomplete : new boolean[] { true, false })
4054	<	for (ExecutionMode m : ExecutionMode.values())
4054	>	{
4055	>	CFException ex = new CFException();
4056	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4057	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4058	>	if (!createIncomplete) f.completeExceptionally(ex);
4059	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4060	>	if (createIncomplete) {
4061	>	checkIncomplete(f);
4062	>	checkIncomplete(g);
4063	>	f.completeExceptionally(ex);
4064	>	}
4065	>	checkCompletedExceptionally(f, ex);
4066	>	checkCompletedWithWrappedException(g, ex);
4067	>	}}
4068	>
4069	>	/**
4070	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4071	>	*/
4072	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4073		for (Integer v1 : new Integer[] { 1, null })
4074		{
4075	<	final AtomicInteger a = new AtomicInteger(0);
4076	<	final CFException ex1 = new CFException();
4077	<	final CFException ex2 = new CFException();
4078	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4075	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4076	>	CompletionStage minimal = f.minimalCompletionStage();
4077	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4078	>	assertTrue(g.complete(v1));
4079	>	checkCompletedNormally(g, v1);
4080	>	checkIncomplete(f);
4081	>	checkIncomplete(minimal.toCompletableFuture());
4082	>	}}
4083
4084	<	if (!createIncomplete) f.completeExceptionally(ex1);
4085	<	final CompletableFuture<Integer> g = m.whenComplete
4086	<	(f,
4087	<	(Integer x, Throwable t) -> {
4088	<	threadAssertSame(t, ex1);
4089	<	threadAssertNull(x);
4090	<	a.getAndIncrement();
4091	<	throw ex2;
4092	<	});
4093	<	if (createIncomplete) f.completeExceptionally(ex1);
4084	>	/**
4085	>	* minimalStage.toCompletableFuture().join() awaits completion
4086	>	*/
4087	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4088	>	for (boolean createIncomplete : new boolean[] { true, false })
4089	>	for (Integer v1 : new Integer[] { 1, null })
4090	>	{
4091	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4092	>	if (!createIncomplete) assertTrue(f.complete(v1));
4093	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4094	>	if (createIncomplete) assertTrue(f.complete(v1));
4095	>	assertEquals(v1, minimal.toCompletableFuture().join());
4096	>	assertEquals(v1, minimal.toCompletableFuture().get());
4097	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4098	>	}}
4099
4100	<	checkCompletedWithWrappedCFException(f, ex1);
4101	<	checkCompletedWithWrappedCFException(g, ex1);
4102	<	assertEquals(1, a.get());
4100	>	/**
4101	>	* Completion of a toCompletableFuture copy of a minimal stage
4102	>	* does not complete its source.
4103	>	*/
4104	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4105	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4106	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4107	>	assertTrue(g.toCompletableFuture().complete(1));
4108	>	assertTrue(g.toCompletableFuture().complete(null));
4109	>	assertTrue(g.toCompletableFuture().cancel(true));
4110	>	assertTrue(g.toCompletableFuture().cancel(false));
4111	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4112	>	checkIncomplete(g.toCompletableFuture());
4113	>	f.complete(1);
4114	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4115	>	}
4116	>
4117	>	/** Demo utility method for external reliable toCompletableFuture */
4118	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4119	>	CompletableFuture<T> f = new CompletableFuture<>();
4120	>	stage.handle((T t, Throwable ex) -> {
4121	>	if (ex != null) f.completeExceptionally(ex);
4122	>	else f.complete(t);
4123	>	return null;
4124	>	});
4125	>	return f;
4126	>	}
4127	>
4128	>	/** Demo utility method to join a CompletionStage */
4129	>	static <T> T join(CompletionStage<T> stage) {
4130	>	return toCompletableFuture(stage).join();
4131	>	}
4132	>
4133	>	/**
4134	>	* Joining a minimal stage "by hand" works
4135	>	*/
4136	>	public void testMinimalCompletionStage_join_by_hand() {
4137	>	for (boolean createIncomplete : new boolean[] { true, false })
4138	>	for (Integer v1 : new Integer[] { 1, null })
4139	>	{
4140	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4141	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4142	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4143	>	if (!createIncomplete) assertTrue(f.complete(v1));
4144	>	minimal.thenAccept(x -> g.complete(x));
4145	>	if (createIncomplete) assertTrue(f.complete(v1));
4146	>	g.join();
4147	>	checkCompletedNormally(g, v1);
4148	>	checkCompletedNormally(f, v1);
4149	>	assertEquals(v1, join(minimal));
4150		}}
4151
4152	+	static class Monad {
4153	+	static class ZeroException extends RuntimeException {
4154	+	public ZeroException() { super("monadic zero"); }
4155	+	}
4156	+	// "return", "unit"
4157	+	static <T> CompletableFuture<T> unit(T value) {
4158	+	return completedFuture(value);
4159	+	}
4160	+	// monadic zero ?
4161	+	static <T> CompletableFuture<T> zero() {
4162	+	return failedFuture(new ZeroException());
4163	+	}
4164	+	// >=>
4165	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
4166	+	(Function<T, CompletableFuture<U>> f,
4167	+	Function<U, CompletableFuture<V>> g) {
4168	+	return x -> f.apply(x).thenCompose(g);
4169	+	}
4170	+
4171	+	static void assertZero(CompletableFuture<?> f) {
4172	+	try {
4173	+	f.getNow(null);
4174	+	throw new AssertionFailedError("should throw");
4175	+	} catch (CompletionException success) {
4176	+	assertTrue(success.getCause() instanceof ZeroException);
4177	+	}
4178	+	}
4179	+
4180	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4181	+	CompletableFuture<T> g) {
4182	+	T fval = null, gval = null;
4183	+	Throwable fex = null, gex = null;
4184	+
4185	+	try { fval = f.get(); }
4186	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4187	+	catch (Throwable ex) { fex = ex; }
4188	+
4189	+	try { gval = g.get(); }
4190	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4191	+	catch (Throwable ex) { gex = ex; }
4192	+
4193	+	if (fex != null || gex != null)
4194	+	assertSame(fex.getClass(), gex.getClass());
4195	+	else
4196	+	assertEquals(fval, gval);
4197	+	}
4198	+
4199	+	static class PlusFuture<T> extends CompletableFuture<T> {
4200	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4201	+	}
4202	+
4203	+	/** Implements "monadic plus". */
4204	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4205	+	CompletableFuture<? extends T> g) {
4206	+	PlusFuture<T> plus = new PlusFuture<T>();
4207	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4208	+	try {
4209	+	if (ex == null) {
4210	+	if (plus.complete(result))
4211	+	if (plus.firstFailure.get() != null)
4212	+	plus.firstFailure.set(null);
4213	+	}
4214	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4215	+	if (plus.isDone())
4216	+	plus.firstFailure.set(null);
4217	+	}
4218	+	else {
4219	+	// first failure has precedence
4220	+	Throwable first = plus.firstFailure.getAndSet(null);
4221	+
4222	+	// may fail with "Self-suppression not permitted"
4223	+	try { first.addSuppressed(ex); }
4224	+	catch (Exception ignored) {}
4225	+
4226	+	plus.completeExceptionally(first);
4227	+	}
4228	+	} catch (Throwable unexpected) {
4229	+	plus.completeExceptionally(unexpected);
4230	+	}
4231	+	};
4232	+	f.whenComplete(action);
4233	+	g.whenComplete(action);
4234	+	return plus;
4235	+	}
4236	+	}
4237	+
4238	+	/**
4239	+	* CompletableFuture is an additive monad - sort of.
4240	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4241	+	*/
4242	+	public void testAdditiveMonad() throws Throwable {
4243	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4244	+	CompletableFuture<Long> zero = Monad.zero();
4245	+
4246	+	// Some mutually non-commutative functions
4247	+	Function<Long, CompletableFuture<Long>> triple
4248	+	= x -> Monad.unit(3 * x);
4249	+	Function<Long, CompletableFuture<Long>> inc
4250	+	= x -> Monad.unit(x + 1);
4251	+
4252	+	// unit is a right identity: m >>= unit === m
4253	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4254	+	inc.apply(5L));
4255	+	// unit is a left identity: (unit x) >>= f === f x
4256	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4257	+	inc.apply(5L));
4258	+
4259	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4260	+	Monad.assertFutureEquals(
4261	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4262	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4263	+
4264	+	// The case for CompletableFuture as an additive monad is weaker...
4265	+
4266	+	// zero is a monadic zero
4267	+	Monad.assertZero(zero);
4268	+
4269	+	// left zero: zero >>= f === zero
4270	+	Monad.assertZero(zero.thenCompose(inc));
4271	+	// right zero: f >>= (\x -> zero) === zero
4272	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4273	+
4274	+	// f plus zero === f
4275	+	Monad.assertFutureEquals(Monad.unit(5L),
4276	+	Monad.plus(Monad.unit(5L), zero));
4277	+	// zero plus f === f
4278	+	Monad.assertFutureEquals(Monad.unit(5L),
4279	+	Monad.plus(zero, Monad.unit(5L)));
4280	+	// zero plus zero === zero
4281	+	Monad.assertZero(Monad.plus(zero, zero));
4282	+	{
4283	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4284	+	Monad.unit(8L));
4285	+	// non-determinism
4286	+	assertTrue(f.get() == 5L || f.get() == 8L);
4287	+	}
4288	+
4289	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4290	+	// f plus godot === f (doesn't wait for godot)
4291	+	Monad.assertFutureEquals(Monad.unit(5L),
4292	+	Monad.plus(Monad.unit(5L), godot));
4293	+	// godot plus f === f (doesn't wait for godot)
4294	+	Monad.assertFutureEquals(Monad.unit(5L),
4295	+	Monad.plus(godot, Monad.unit(5L)));
4296	+	}
4297	+
4298	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4299	+	public void testRecursiveChains() throws Throwable {
4300	+	for (ExecutionMode m : ExecutionMode.values())
4301	+	for (boolean addDeadEnds : new boolean[] { true, false })
4302	+	{
4303	+	final int val = 42;
4304	+	final int n = expensiveTests ? 1_000 : 2;
4305	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4306	+	CompletableFuture<Integer> tail = head;
4307	+	for (int i = 0; i < n; i++) {
4308	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4309	+	tail = m.thenApply(tail, v -> v + 1);
4310	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4311	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4312	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4313	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4314	+	}
4315	+	head.complete(val);
4316	+	assertEquals(val + 3 * n, (int) tail.join());
4317	+	}}
4318	+
4319	+	/**
4320	+	* A single CompletableFuture with many dependents.
4321	+	* A demo of scalability - runtime is O(n).
4322	+	*/
4323	+	public void testManyDependents() throws Throwable {
4324	+	final int n = expensiveTests ? 1_000_000 : 10;
4325	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4326	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4327	+	final AtomicInteger count = new AtomicInteger(0);
4328	+	for (int i = 0; i < n; i++) {
4329	+	head.thenRun(() -> count.getAndIncrement());
4330	+	head.thenAccept(x -> count.getAndIncrement());
4331	+	head.thenApply(x -> count.getAndIncrement());
4332	+
4333	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4334	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4335	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4336	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4337	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4338	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4339	+
4340	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4341	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4342	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4343	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4344	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4345	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4346	+	}
4347	+	head.complete(null);
4348	+	assertEquals(5 * 3 * n, count.get());
4349	+	}
4350	+
4351	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4352	+	public void testCoCompletionGarbageRetention() throws Throwable {
4353	+	final int n = expensiveTests ? 1_000_000 : 10;
4354	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4355	+	CompletableFuture<Integer> f;
4356	+	for (int i = 0; i < n; i++) {
4357	+	f = new CompletableFuture<>();
4358	+	f.runAfterEither(incomplete, () -> {});
4359	+	f.complete(null);
4360	+
4361	+	f = new CompletableFuture<>();
4362	+	f.acceptEither(incomplete, x -> {});
4363	+	f.complete(null);
4364	+
4365	+	f = new CompletableFuture<>();
4366	+	f.applyToEither(incomplete, x -> x);
4367	+	f.complete(null);
4368	+
4369	+	f = new CompletableFuture<>();
4370	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4371	+	f.complete(null);
4372	+	}
4373	+
4374	+	for (int i = 0; i < n; i++) {
4375	+	f = new CompletableFuture<>();
4376	+	incomplete.runAfterEither(f, () -> {});
4377	+	f.complete(null);
4378	+
4379	+	f = new CompletableFuture<>();
4380	+	incomplete.acceptEither(f, x -> {});
4381	+	f.complete(null);
4382	+
4383	+	f = new CompletableFuture<>();
4384	+	incomplete.applyToEither(f, x -> x);
4385	+	f.complete(null);
4386	+
4387	+	f = new CompletableFuture<>();
4388	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4389	+	f.complete(null);
4390	+	}
4391	+	}
4392	+
4393	+	/**
4394	+	* Reproduction recipe for:
4395	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4396	+	* 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
4397	+	*/
4398	+	public void testAnyOfGarbageRetention() throws Throwable {
4399	+	for (Integer v : new Integer[] { 1, null })
4400	+	{
4401	+	final int n = expensiveTests ? 100_000 : 10;
4402	+	CompletableFuture<Integer>[] fs
4403	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4404	+	for (int i = 0; i < fs.length; i++)
4405	+	fs[i] = new CompletableFuture<>();
4406	+	fs[fs.length - 1].complete(v);
4407	+	for (int i = 0; i < n; i++)
4408	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4409	+	}}
4410	+
4411	+	/**
4412	+	* Checks for garbage retention with allOf.
4413	+	*
4414	+	* As of 2016-07, fails with OOME:
4415	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4416	+	*/
4417	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4418	+	final int n = expensiveTests ? 100_000 : 10;
4419	+	CompletableFuture<Integer>[] fs
4420	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4421	+	for (int i = 0; i < fs.length; i++)
4422	+	fs[i] = new CompletableFuture<>();
4423	+	for (int i = 0; i < n; i++)
4424	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4425	+	}
4426	+
4427	+	/**
4428	+	* Checks for garbage retention when a dependent future is
4429	+	* cancelled and garbage-collected.
4430	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4431	+	*
4432	+	* As of 2016-07, fails with OOME:
4433	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4434	+	*/
4435	+	public void testCancelledGarbageRetention() throws Throwable {
4436	+	final int n = expensiveTests ? 100_000 : 10;
4437	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4438	+	for (int i = 0; i < n; i++)
4439	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4440	+	}
4441	+
4442	+	/**
4443	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4444	+	* is invoked many times.
4445	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4446	+	*
4447	+	* As of 2016-07, fails with OOME:
4448	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4449	+	*/
4450	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4451	+	final int n = expensiveTests ? 900_000 : 10;
4452	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4453	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4454	+	for (int i = 0; i < n; i++)
4455	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4456	+	}
4457	+
4458	+	//     static <U> U join(CompletionStage<U> stage) {
4459	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4460	+	//         stage.whenComplete((v, ex) -> {
4461	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4462	+	//         });
4463	+	//         return f.join();
4464	+	//     }
4465	+
4466	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4467	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4468	+	//         stage.whenComplete((v, ex) -> {
4469	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4470	+	//         });
4471	+	//         return f.isDone();
4472	+	//     }
4473	+
4474	+	//     static <U> U join2(CompletionStage<U> stage) {
4475	+	//         return stage.toCompletableFuture().copy().join();
4476	+	//     }
4477	+
4478	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4479	+	//         return stage.toCompletableFuture().copy().isDone();
4480	+	//     }
4481	+
4482		}

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