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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.55 by jsr166, Mon Jun 2 21:41:37 2014 UTC vs.
Revision 1.187 by jsr166, Mon Jul 3 21:18:37 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(ExecutionMode.DEFAULT));
315	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
316		assertEquals(1, f.getNumberOfDependents());
317		assertEquals(0, g.getNumberOfDependents());
318	<	CompletableFuture h = f.thenRun(new Noop(ExecutionMode.DEFAULT));
318	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
319		assertEquals(2, f.getNumberOfDependents());
320	<	f.complete(1);
320	>	assertEquals(0, h.getNumberOfDependents());
321	>	assertTrue(f.complete(v1));
322		checkCompletedNormally(g, null);
323	+	checkCompletedNormally(h, null);
324		assertEquals(0, f.getNumberOfDependents());
325		assertEquals(0, g.getNumberOfDependents());
326	<	}
326	>	assertEquals(0, h.getNumberOfDependents());
327	>	}}
328
329		/**
330		* toString indicates current completion state
#	Line 304 | Line 335 | public class CompletableFutureTest exten
335		f = new CompletableFuture<String>();
336		assertTrue(f.toString().contains("[Not completed]"));
337
338	<	f.complete("foo");
338	>	assertTrue(f.complete("foo"));
339		assertTrue(f.toString().contains("[Completed normally]"));
340
341		f = new CompletableFuture<String>();
342	<	f.completeExceptionally(new IndexOutOfBoundsException());
342	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
343		assertTrue(f.toString().contains("[Completed exceptionally]"));
344	+
345	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
346	+	f = new CompletableFuture<String>();
347	+	assertTrue(f.cancel(mayInterruptIfRunning));
348	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
349	+	}
350		}
351
352		/**
#	Line 320 | Line 357 | public class CompletableFutureTest exten
357		checkCompletedNormally(f, "test");
358		}
359
360	<	// 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	<	final ExecutionMode m;
449	<	int invocationCount = 0;
380	<	Noop(ExecutionMode m) { this.m = m; }
447	>
448	>	static class Noop extends CheckedAction implements Runnable {
449	>	Noop(ExecutionMode m) { super(m); }
450		public void run() {
451	<	m.checkExecutionMode();
383	<	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 531 | 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 599 | 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 665 | 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 714 | 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) -> {
720	–	// 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
731	–
866		/**
867		* exceptionally action completes with function value on source
868		* exception
#	Line 743 | 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 753 | 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 })
758	–	for (Integer v1 : new Integer[] { 1, null })
897		{
898		final AtomicInteger a = new AtomicInteger(0);
899		final CFException ex1 = new CFException();
#	Line 764 | 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	+	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	<	checkCompletedWithWrappedCFException(g, ex2);
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 785 | 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 816 | 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 825 | 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 844 | 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 858 | 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();
871	<	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		{
892	–	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(ExecutionMode.ASYNC);
1213	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1214	<	assertNull(f.join());
1215	<	assertEquals(1, r.invocationCount);
1216	<	checkCompletedNormally(f, null);
1217	<	}
1218	<
1219	<	/**
923	<	* runAsync with executor completes after running Runnable
924	<	*/
925	<	public void testRunAsync2() {
926	<	Noop r = new Noop(ExecutionMode.EXECUTOR);
927	<	ThreadExecutor exec = new ThreadExecutor();
928	<	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());
930	–	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	>	@SuppressWarnings("FutureReturnValueIgnored")
1242	>	public void testRunAsync_rejectingExecutor() {
1243	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1244	>	try {
1245	>	CompletableFuture.runAsync(() -> {}, e);
1246	>	shouldThrow();
1247	>	} catch (Throwable t) {
1248	>	assertSame(e.ex, t);
1249	>	}
1250	>
1251	>	assertEquals(1, e.count.get());
1252		}
1253
1254		/**
1255	<	* supplyAsync with executor completes with result of supplier
1255	>	* supplyAsync completes with result of supplier
1256		*/
1257	<	public void testSupplyAsync2() {
1258	<	CompletableFuture<Integer> f;
1259	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1260	<	assertEquals(f.join(), one);
1261	<	checkCompletedNormally(f, one);
1262	<	}
1257	>	public void testSupplyAsync_normalCompletion() {
1258	>	ExecutionMode[] executionModes = {
1259	>	ExecutionMode.ASYNC,
1260	>	ExecutionMode.EXECUTOR,
1261	>	};
1262	>	for (ExecutionMode m : executionModes)
1263	>	for (Integer v1 : new Integer[] { 1, null })
1264	>	{
1265	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1266	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1267	>	assertSame(v1, f.join());
1268	>	checkCompletedNormally(f, v1);
1269	>	r.assertInvoked();
1270	>	}}
1271
1272		/**
1273		* Failing supplyAsync completes exceptionally
1274		*/
1275	<	public void testSupplyAsync3() {
1276	<	FailingSupplier r = new FailingSupplier();
1277	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1278	<	checkCompletedWithWrappedCFException(f);
1279	<	assertEquals(1, r.invocationCount);
1275	>	public void testSupplyAsync_exceptionalCompletion() {
1276	>	ExecutionMode[] executionModes = {
1277	>	ExecutionMode.ASYNC,
1278	>	ExecutionMode.EXECUTOR,
1279	>	};
1280	>	for (ExecutionMode m : executionModes)
1281	>	{
1282	>	FailingSupplier r = new FailingSupplier(m);
1283	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1284	>	checkCompletedWithWrappedException(f, r.ex);
1285	>	r.assertInvoked();
1286	>	}}
1287	>
1288	>	@SuppressWarnings("FutureReturnValueIgnored")
1289	>	public void testSupplyAsync_rejectingExecutor() {
1290	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1291	>	try {
1292	>	CompletableFuture.supplyAsync(() -> null, e);
1293	>	shouldThrow();
1294	>	} catch (Throwable t) {
1295	>	assertSame(e.ex, t);
1296	>	}
1297	>
1298	>	assertEquals(1, e.count.get());
1299		}
1300
1301		// seq completion methods
#	Line 979 | Line 1305 | public class CompletableFutureTest exten
1305		*/
1306		public void testThenRun_normalCompletion() {
1307		for (ExecutionMode m : ExecutionMode.values())
982	–	for (boolean createIncomplete : new boolean[] { true, false })
1308		for (Integer v1 : new Integer[] { 1, null })
1309		{
1310		final CompletableFuture<Integer> f = new CompletableFuture<>();
1311	<	final Noop r = new Noop(m);
1312	<	if (!createIncomplete) f.complete(v1);
988	<	final CompletableFuture<Void> g = m.thenRun(f, r);
989	<	if (createIncomplete) {
990	<	checkIncomplete(g);
991	<	f.complete(v1);
992	<	}
1311	>	final Noop[] rs = new Noop[6];
1312	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1313
1314	<	checkCompletedNormally(g, null);
1314	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1315	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1316	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1317	>	checkIncomplete(h0);
1318	>	checkIncomplete(h1);
1319	>	checkIncomplete(h2);
1320	>	assertTrue(f.complete(v1));
1321	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1322	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1323	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1324	>
1325	>	checkCompletedNormally(h0, null);
1326	>	checkCompletedNormally(h1, null);
1327	>	checkCompletedNormally(h2, null);
1328	>	checkCompletedNormally(h3, null);
1329	>	checkCompletedNormally(h4, null);
1330	>	checkCompletedNormally(h5, null);
1331		checkCompletedNormally(f, v1);
1332	<	assertEquals(1, r.invocationCount);
1332	>	for (Noop r : rs) r.assertInvoked();
1333		}}
1334
1335		/**
#	Line 1002 | Line 1338 | public class CompletableFutureTest exten
1338		*/
1339		public void testThenRun_exceptionalCompletion() {
1340		for (ExecutionMode m : ExecutionMode.values())
1005	–	for (boolean createIncomplete : new boolean[] { true, false })
1341		{
1342		final CFException ex = new CFException();
1343		final CompletableFuture<Integer> f = new CompletableFuture<>();
1344	<	final Noop r = new Noop(m);
1345	<	if (!createIncomplete) f.completeExceptionally(ex);
1011	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1012	<	if (createIncomplete) {
1013	<	checkIncomplete(g);
1014	<	f.completeExceptionally(ex);
1015	<	}
1344	>	final Noop[] rs = new Noop[6];
1345	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1346
1347	<	checkCompletedWithWrappedCFException(g, ex);
1348	<	checkCompletedWithWrappedCFException(f, ex);
1349	<	assertEquals(0, r.invocationCount);
1347	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1348	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1349	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1350	>	checkIncomplete(h0);
1351	>	checkIncomplete(h1);
1352	>	checkIncomplete(h2);
1353	>	assertTrue(f.completeExceptionally(ex));
1354	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1355	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1356	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1357	>
1358	>	checkCompletedWithWrappedException(h0, ex);
1359	>	checkCompletedWithWrappedException(h1, ex);
1360	>	checkCompletedWithWrappedException(h2, ex);
1361	>	checkCompletedWithWrappedException(h3, ex);
1362	>	checkCompletedWithWrappedException(h4, ex);
1363	>	checkCompletedWithWrappedException(h5, ex);
1364	>	checkCompletedExceptionally(f, ex);
1365	>	for (Noop r : rs) r.assertNotInvoked();
1366		}}
1367
1368		/**
#	Line 1024 | Line 1370 | public class CompletableFutureTest exten
1370		*/
1371		public void testThenRun_sourceCancelled() {
1372		for (ExecutionMode m : ExecutionMode.values())
1027	–	for (boolean createIncomplete : new boolean[] { true, false })
1373		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1374		{
1375		final CompletableFuture<Integer> f = new CompletableFuture<>();
1376	<	final Noop r = new Noop(m);
1377	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1033	<	final CompletableFuture<Void> g = f.thenRun(r);
1034	<	if (createIncomplete) {
1035	<	checkIncomplete(g);
1036	<	assertTrue(f.cancel(mayInterruptIfRunning));
1037	<	}
1376	>	final Noop[] rs = new Noop[6];
1377	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1378
1379	<	checkCompletedWithWrappedCancellationException(g);
1379	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1380	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1381	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1382	>	checkIncomplete(h0);
1383	>	checkIncomplete(h1);
1384	>	checkIncomplete(h2);
1385	>	assertTrue(f.cancel(mayInterruptIfRunning));
1386	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1387	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1388	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1389	>
1390	>	checkCompletedWithWrappedCancellationException(h0);
1391	>	checkCompletedWithWrappedCancellationException(h1);
1392	>	checkCompletedWithWrappedCancellationException(h2);
1393	>	checkCompletedWithWrappedCancellationException(h3);
1394	>	checkCompletedWithWrappedCancellationException(h4);
1395	>	checkCompletedWithWrappedCancellationException(h5);
1396		checkCancelled(f);
1397	<	assertEquals(0, r.invocationCount);
1397	>	for (Noop r : rs) r.assertNotInvoked();
1398		}}
1399
1400		/**
#	Line 1046 | Line 1402 | public class CompletableFutureTest exten
1402		*/
1403		public void testThenRun_actionFailed() {
1404		for (ExecutionMode m : ExecutionMode.values())
1049	–	for (boolean createIncomplete : new boolean[] { true, false })
1405		for (Integer v1 : new Integer[] { 1, null })
1406		{
1407		final CompletableFuture<Integer> f = new CompletableFuture<>();
1408	<	final FailingRunnable r = new FailingRunnable();
1409	<	if (!createIncomplete) f.complete(v1);
1055	<	final CompletableFuture<Void> g = f.thenRun(r);
1056	<	if (createIncomplete) {
1057	<	checkIncomplete(g);
1058	<	f.complete(v1);
1059	<	}
1408	>	final FailingRunnable[] rs = new FailingRunnable[6];
1409	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1410
1411	<	checkCompletedWithWrappedCFException(g);
1411	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1412	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1413	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1414	>	assertTrue(f.complete(v1));
1415	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1416	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1417	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1418	>
1419	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1420	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1421	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1422	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1423	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1424	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1425		checkCompletedNormally(f, v1);
1426		}}
1427
#	Line 1067 | Line 1430 | public class CompletableFutureTest exten
1430		*/
1431		public void testThenApply_normalCompletion() {
1432		for (ExecutionMode m : ExecutionMode.values())
1070	–	for (boolean createIncomplete : new boolean[] { true, false })
1433		for (Integer v1 : new Integer[] { 1, null })
1434		{
1435		final CompletableFuture<Integer> f = new CompletableFuture<>();
1436	<	final IncFunction r = new IncFunction();
1437	<	if (!createIncomplete) f.complete(v1);
1076	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1077	<	if (createIncomplete) {
1078	<	checkIncomplete(g);
1079	<	f.complete(v1);
1080	<	}
1436	>	final IncFunction[] rs = new IncFunction[4];
1437	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1438
1439	<	checkCompletedNormally(g, inc(v1));
1439	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1440	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1441	>	checkIncomplete(h0);
1442	>	checkIncomplete(h1);
1443	>	assertTrue(f.complete(v1));
1444	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1445	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1446	>
1447	>	checkCompletedNormally(h0, inc(v1));
1448	>	checkCompletedNormally(h1, inc(v1));
1449	>	checkCompletedNormally(h2, inc(v1));
1450	>	checkCompletedNormally(h3, inc(v1));
1451		checkCompletedNormally(f, v1);
1452	<	assertEquals(1, r.invocationCount);
1452	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1453		}}
1454
1455		/**
#	Line 1090 | Line 1458 | public class CompletableFutureTest exten
1458		*/
1459		public void testThenApply_exceptionalCompletion() {
1460		for (ExecutionMode m : ExecutionMode.values())
1093	–	for (boolean createIncomplete : new boolean[] { true, false })
1461		{
1462		final CFException ex = new CFException();
1463		final CompletableFuture<Integer> f = new CompletableFuture<>();
1464	<	final IncFunction r = new IncFunction();
1465	<	if (!createIncomplete) f.completeExceptionally(ex);
1099	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1100	<	if (createIncomplete) {
1101	<	checkIncomplete(g);
1102	<	f.completeExceptionally(ex);
1103	<	}
1464	>	final IncFunction[] rs = new IncFunction[4];
1465	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1466
1467	<	checkCompletedWithWrappedCFException(g, ex);
1468	<	checkCompletedWithWrappedCFException(f, ex);
1469	<	assertEquals(0, r.invocationCount);
1467	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1468	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1469	>	assertTrue(f.completeExceptionally(ex));
1470	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1471	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1472	>
1473	>	checkCompletedWithWrappedException(h0, ex);
1474	>	checkCompletedWithWrappedException(h1, ex);
1475	>	checkCompletedWithWrappedException(h2, ex);
1476	>	checkCompletedWithWrappedException(h3, ex);
1477	>	checkCompletedExceptionally(f, ex);
1478	>	for (IncFunction r : rs) r.assertNotInvoked();
1479		}}
1480
1481		/**
#	Line 1112 | Line 1483 | public class CompletableFutureTest exten
1483		*/
1484		public void testThenApply_sourceCancelled() {
1485		for (ExecutionMode m : ExecutionMode.values())
1115	–	for (boolean createIncomplete : new boolean[] { true, false })
1486		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1487		{
1488		final CompletableFuture<Integer> f = new CompletableFuture<>();
1489	<	final IncFunction r = new IncFunction();
1490	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1121	<	final CompletableFuture<Integer> g = f.thenApply(r);
1122	<	if (createIncomplete) {
1123	<	checkIncomplete(g);
1124	<	assertTrue(f.cancel(mayInterruptIfRunning));
1125	<	}
1489	>	final IncFunction[] rs = new IncFunction[4];
1490	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1491
1492	<	checkCompletedWithWrappedCancellationException(g);
1492	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1493	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1494	>	assertTrue(f.cancel(mayInterruptIfRunning));
1495	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1496	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1497	>
1498	>	checkCompletedWithWrappedCancellationException(h0);
1499	>	checkCompletedWithWrappedCancellationException(h1);
1500	>	checkCompletedWithWrappedCancellationException(h2);
1501	>	checkCompletedWithWrappedCancellationException(h3);
1502		checkCancelled(f);
1503	<	assertEquals(0, r.invocationCount);
1503	>	for (IncFunction r : rs) r.assertNotInvoked();
1504		}}
1505
1506		/**
#	Line 1134 | Line 1508 | public class CompletableFutureTest exten
1508		*/
1509		public void testThenApply_actionFailed() {
1510		for (ExecutionMode m : ExecutionMode.values())
1137	–	for (boolean createIncomplete : new boolean[] { true, false })
1511		for (Integer v1 : new Integer[] { 1, null })
1512		{
1513		final CompletableFuture<Integer> f = new CompletableFuture<>();
1514	<	final FailingFunction r = new FailingFunction();
1515	<	if (!createIncomplete) f.complete(v1);
1143	<	final CompletableFuture<Integer> g = f.thenApply(r);
1144	<	if (createIncomplete) {
1145	<	checkIncomplete(g);
1146	<	f.complete(v1);
1147	<	}
1514	>	final FailingFunction[] rs = new FailingFunction[4];
1515	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1516
1517	<	checkCompletedWithWrappedCFException(g);
1517	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1518	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1519	>	assertTrue(f.complete(v1));
1520	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1521	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1522	>
1523	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1524	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1525	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1526	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1527		checkCompletedNormally(f, v1);
1528		}}
1529
#	Line 1155 | Line 1532 | public class CompletableFutureTest exten
1532		*/
1533		public void testThenAccept_normalCompletion() {
1534		for (ExecutionMode m : ExecutionMode.values())
1158	–	for (boolean createIncomplete : new boolean[] { true, false })
1535		for (Integer v1 : new Integer[] { 1, null })
1536		{
1537		final CompletableFuture<Integer> f = new CompletableFuture<>();
1538	<	final IncAction r = new IncAction();
1539	<	if (!createIncomplete) f.complete(v1);
1164	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1165	<	if (createIncomplete) {
1166	<	checkIncomplete(g);
1167	<	f.complete(v1);
1168	<	}
1538	>	final NoopConsumer[] rs = new NoopConsumer[4];
1539	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1540
1541	<	checkCompletedNormally(g, null);
1541	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1542	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1543	>	checkIncomplete(h0);
1544	>	checkIncomplete(h1);
1545	>	assertTrue(f.complete(v1));
1546	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1547	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1548	>
1549	>	checkCompletedNormally(h0, null);
1550	>	checkCompletedNormally(h1, null);
1551	>	checkCompletedNormally(h2, null);
1552	>	checkCompletedNormally(h3, null);
1553		checkCompletedNormally(f, v1);
1554	<	assertEquals(1, r.invocationCount);
1173	<	assertEquals(inc(v1), r.value);
1554	>	for (NoopConsumer r : rs) r.assertValue(v1);
1555		}}
1556
1557		/**
#	Line 1179 | Line 1560 | public class CompletableFutureTest exten
1560		*/
1561		public void testThenAccept_exceptionalCompletion() {
1562		for (ExecutionMode m : ExecutionMode.values())
1182	–	for (boolean createIncomplete : new boolean[] { true, false })
1563		{
1564		final CFException ex = new CFException();
1565		final CompletableFuture<Integer> f = new CompletableFuture<>();
1566	<	final IncAction r = new IncAction();
1567	<	if (!createIncomplete) f.completeExceptionally(ex);
1188	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1189	<	if (createIncomplete) {
1190	<	checkIncomplete(g);
1191	<	f.completeExceptionally(ex);
1192	<	}
1566	>	final NoopConsumer[] rs = new NoopConsumer[4];
1567	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1568
1569	<	checkCompletedWithWrappedCFException(g, ex);
1570	<	checkCompletedWithWrappedCFException(f, ex);
1571	<	assertEquals(0, r.invocationCount);
1569	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1570	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1571	>	assertTrue(f.completeExceptionally(ex));
1572	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1573	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1574	>
1575	>	checkCompletedWithWrappedException(h0, ex);
1576	>	checkCompletedWithWrappedException(h1, ex);
1577	>	checkCompletedWithWrappedException(h2, ex);
1578	>	checkCompletedWithWrappedException(h3, ex);
1579	>	checkCompletedExceptionally(f, ex);
1580	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1581		}}
1582
1583		/**
1584	<	* thenAccept result completes exceptionally if action does
1584	>	* thenAccept result completes exceptionally if source cancelled
1585		*/
1586	<	public void testThenAccept_actionFailed() {
1586	>	public void testThenAccept_sourceCancelled() {
1587		for (ExecutionMode m : ExecutionMode.values())
1588	<	for (boolean createIncomplete : new boolean[] { true, false })
1205	<	for (Integer v1 : new Integer[] { 1, null })
1588	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1589		{
1590		final CompletableFuture<Integer> f = new CompletableFuture<>();
1591	<	final FailingConsumer r = new FailingConsumer();
1592	<	if (!createIncomplete) f.complete(v1);
1210	<	final CompletableFuture<Void> g = f.thenAccept(r);
1211	<	if (createIncomplete) {
1212	<	checkIncomplete(g);
1213	<	f.complete(v1);
1214	<	}
1591	>	final NoopConsumer[] rs = new NoopConsumer[4];
1592	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1593
1594	<	checkCompletedWithWrappedCFException(g);
1595	<	checkCompletedNormally(f, v1);
1594	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1595	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1596	>	assertTrue(f.cancel(mayInterruptIfRunning));
1597	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1598	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1599	>
1600	>	checkCompletedWithWrappedCancellationException(h0);
1601	>	checkCompletedWithWrappedCancellationException(h1);
1602	>	checkCompletedWithWrappedCancellationException(h2);
1603	>	checkCompletedWithWrappedCancellationException(h3);
1604	>	checkCancelled(f);
1605	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1606		}}
1607
1608		/**
1609	<	* thenAccept result completes exceptionally if source cancelled
1609	>	* thenAccept result completes exceptionally if action does
1610		*/
1611	<	public void testThenAccept_sourceCancelled() {
1611	>	public void testThenAccept_actionFailed() {
1612		for (ExecutionMode m : ExecutionMode.values())
1613	<	for (boolean createIncomplete : new boolean[] { true, false })
1226	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1613	>	for (Integer v1 : new Integer[] { 1, null })
1614		{
1615		final CompletableFuture<Integer> f = new CompletableFuture<>();
1616	<	final IncAction r = new IncAction();
1617	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1231	<	final CompletableFuture<Void> g = f.thenAccept(r);
1232	<	if (createIncomplete) {
1233	<	checkIncomplete(g);
1234	<	assertTrue(f.cancel(mayInterruptIfRunning));
1235	<	}
1616	>	final FailingConsumer[] rs = new FailingConsumer[4];
1617	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1618
1619	<	checkCompletedWithWrappedCancellationException(g);
1620	<	checkCancelled(f);
1621	<	assertEquals(0, r.invocationCount);
1619	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1620	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1621	>	assertTrue(f.complete(v1));
1622	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1623	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1624	>
1625	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1626	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1627	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1628	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1629	>	checkCompletedNormally(f, v1);
1630		}}
1631
1632		/**
#	Line 1245 | Line 1635 | public class CompletableFutureTest exten
1635		*/
1636		public void testThenCombine_normalCompletion() {
1637		for (ExecutionMode m : ExecutionMode.values())
1248	–	for (boolean createIncomplete : new boolean[] { true, false })
1638		for (boolean fFirst : new boolean[] { true, false })
1639		for (Integer v1 : new Integer[] { 1, null })
1640		for (Integer v2 : new Integer[] { 2, null })
1641		{
1642		final CompletableFuture<Integer> f = new CompletableFuture<>();
1643		final CompletableFuture<Integer> g = new CompletableFuture<>();
1644	<	final SubtractFunction r = new SubtractFunction();
1644	>	final SubtractFunction[] rs = new SubtractFunction[6];
1645	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1646
1647	<	if (fFirst) f.complete(v1); else g.complete(v2);
1648	<	if (!createIncomplete)
1649	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1650	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1651	<	if (createIncomplete) {
1652	<	checkIncomplete(h);
1653	<	assertEquals(0, r.invocationCount);
1654	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1655	<	}
1647	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1648	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1649	>	final Integer w1 =  fFirst ? v1 : v2;
1650	>	final Integer w2 = !fFirst ? v1 : v2;
1651	>
1652	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1653	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1654	>	assertTrue(fst.complete(w1));
1655	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1656	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1657	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1658	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1659	>	checkCompletedNormally(h1, subtract(w1, w1));
1660	>	checkCompletedNormally(h3, subtract(w1, w1));
1661	>	rs[1].assertValue(subtract(w1, w1));
1662	>	rs[3].assertValue(subtract(w1, w1));
1663	>	assertTrue(snd.complete(w2));
1664	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1665	>
1666	>	checkCompletedNormally(h0, subtract(v1, v2));
1667	>	checkCompletedNormally(h2, subtract(v1, v2));
1668	>	checkCompletedNormally(h4, subtract(v1, v2));
1669	>	rs[0].assertValue(subtract(v1, v2));
1670	>	rs[2].assertValue(subtract(v1, v2));
1671	>	rs[4].assertValue(subtract(v1, v2));
1672
1267	–	checkCompletedNormally(h, subtract(v1, v2));
1673		checkCompletedNormally(f, v1);
1674		checkCompletedNormally(g, v2);
1270	–	assertEquals(1, r.invocationCount);
1675		}}
1676
1677		/**
1678		* thenCombine result completes exceptionally after exceptional
1679		* completion of either source
1680		*/
1681	<	public void testThenCombine_exceptionalCompletion() {
1681	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1682		for (ExecutionMode m : ExecutionMode.values())
1279	–	for (boolean createIncomplete : new boolean[] { true, false })
1683		for (boolean fFirst : new boolean[] { true, false })
1684	+	for (boolean failFirst : new boolean[] { true, false })
1685		for (Integer v1 : new Integer[] { 1, null })
1686		{
1687		final CompletableFuture<Integer> f = new CompletableFuture<>();
1688		final CompletableFuture<Integer> g = new CompletableFuture<>();
1689		final CFException ex = new CFException();
1690	<	final SubtractFunction r = new SubtractFunction();
1691	<
1692	<	(fFirst ? f : g).complete(v1);
1693	<	if (!createIncomplete)
1694	<	(!fFirst ? f : g).completeExceptionally(ex);
1695	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1696	<	if (createIncomplete) {
1697	<	checkIncomplete(h);
1698	<	(!fFirst ? f : g).completeExceptionally(ex);
1699	<	}
1700	<
1701	<	checkCompletedWithWrappedCFException(h, ex);
1702	<	assertEquals(0, r.invocationCount);
1703	<	checkCompletedNormally(fFirst ? f : g, v1);
1704	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1690	>	final SubtractFunction r1 = new SubtractFunction(m);
1691	>	final SubtractFunction r2 = new SubtractFunction(m);
1692	>	final SubtractFunction r3 = new SubtractFunction(m);
1693	>
1694	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1695	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1696	>	final Callable<Boolean> complete1 = failFirst ?
1697	>	() -> fst.completeExceptionally(ex) :
1698	>	() -> fst.complete(v1);
1699	>	final Callable<Boolean> complete2 = failFirst ?
1700	>	() -> snd.complete(v1) :
1701	>	() -> snd.completeExceptionally(ex);
1702	>
1703	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1704	>	assertTrue(complete1.call());
1705	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1706	>	checkIncomplete(h1);
1707	>	checkIncomplete(h2);
1708	>	assertTrue(complete2.call());
1709	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1710	>
1711	>	checkCompletedWithWrappedException(h1, ex);
1712	>	checkCompletedWithWrappedException(h2, ex);
1713	>	checkCompletedWithWrappedException(h3, ex);
1714	>	r1.assertNotInvoked();
1715	>	r2.assertNotInvoked();
1716	>	r3.assertNotInvoked();
1717	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1718	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1719		}}
1720
1721		/**
1722	<	* thenCombine result completes exceptionally if action does
1722	>	* thenCombine result completes exceptionally if either source cancelled
1723		*/
1724	<	public void testThenCombine_actionFailed() {
1724	>	public void testThenCombine_sourceCancelled() throws Throwable {
1725		for (ExecutionMode m : ExecutionMode.values())
1726	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1727		for (boolean fFirst : new boolean[] { true, false })
1728	+	for (boolean failFirst : new boolean[] { true, false })
1729		for (Integer v1 : new Integer[] { 1, null })
1310	–	for (Integer v2 : new Integer[] { 2, null })
1730		{
1731		final CompletableFuture<Integer> f = new CompletableFuture<>();
1732		final CompletableFuture<Integer> g = new CompletableFuture<>();
1733	<	final FailingBiFunction r = new FailingBiFunction();
1734	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1735	<
1736	<	if (fFirst) {
1737	<	f.complete(v1);
1738	<	g.complete(v2);
1739	<	} else {
1740	<	g.complete(v2);
1741	<	f.complete(v1);
1742	<	}
1743	<
1744	<	checkCompletedWithWrappedCFException(h);
1745	<	checkCompletedNormally(f, v1);
1746	<	checkCompletedNormally(g, v2);
1733	>	final SubtractFunction r1 = new SubtractFunction(m);
1734	>	final SubtractFunction r2 = new SubtractFunction(m);
1735	>	final SubtractFunction r3 = new SubtractFunction(m);
1736	>
1737	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1738	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1739	>	final Callable<Boolean> complete1 = failFirst ?
1740	>	() -> fst.cancel(mayInterruptIfRunning) :
1741	>	() -> fst.complete(v1);
1742	>	final Callable<Boolean> complete2 = failFirst ?
1743	>	() -> snd.complete(v1) :
1744	>	() -> snd.cancel(mayInterruptIfRunning);
1745	>
1746	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1747	>	assertTrue(complete1.call());
1748	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1749	>	checkIncomplete(h1);
1750	>	checkIncomplete(h2);
1751	>	assertTrue(complete2.call());
1752	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1753	>
1754	>	checkCompletedWithWrappedCancellationException(h1);
1755	>	checkCompletedWithWrappedCancellationException(h2);
1756	>	checkCompletedWithWrappedCancellationException(h3);
1757	>	r1.assertNotInvoked();
1758	>	r2.assertNotInvoked();
1759	>	r3.assertNotInvoked();
1760	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1761	>	checkCancelled(failFirst ? fst : snd);
1762		}}
1763
1764		/**
1765	<	* thenCombine result completes exceptionally if either source cancelled
1765	>	* thenCombine result completes exceptionally if action does
1766		*/
1767	<	public void testThenCombine_sourceCancelled() {
1767	>	public void testThenCombine_actionFailed() {
1768		for (ExecutionMode m : ExecutionMode.values())
1335	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1336	–	for (boolean createIncomplete : new boolean[] { true, false })
1769		for (boolean fFirst : new boolean[] { true, false })
1770		for (Integer v1 : new Integer[] { 1, null })
1771	+	for (Integer v2 : new Integer[] { 2, null })
1772		{
1773		final CompletableFuture<Integer> f = new CompletableFuture<>();
1774		final CompletableFuture<Integer> g = new CompletableFuture<>();
1775	<	final SubtractFunction r = new SubtractFunction();
1776	<
1777	<	(fFirst ? f : g).complete(v1);
1778	<	if (!createIncomplete)
1779	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1780	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1781	<	if (createIncomplete) {
1782	<	checkIncomplete(h);
1783	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1784	<	}
1785	<
1786	<	checkCompletedWithWrappedCancellationException(h);
1787	<	checkCancelled(!fFirst ? f : g);
1788	<	assertEquals(0, r.invocationCount);
1789	<	checkCompletedNormally(fFirst ? f : g, v1);
1775	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1776	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1777	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1778	>
1779	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1780	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1781	>	final Integer w1 =  fFirst ? v1 : v2;
1782	>	final Integer w2 = !fFirst ? v1 : v2;
1783	>
1784	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1785	>	assertTrue(fst.complete(w1));
1786	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1787	>	assertTrue(snd.complete(w2));
1788	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1789	>
1790	>	checkCompletedWithWrappedException(h1, r1.ex);
1791	>	checkCompletedWithWrappedException(h2, r2.ex);
1792	>	checkCompletedWithWrappedException(h3, r3.ex);
1793	>	r1.assertInvoked();
1794	>	r2.assertInvoked();
1795	>	r3.assertInvoked();
1796	>	checkCompletedNormally(f, v1);
1797	>	checkCompletedNormally(g, v2);
1798		}}
1799
1800		/**
#	Line 1362 | Line 1803 | public class CompletableFutureTest exten
1803		*/
1804		public void testThenAcceptBoth_normalCompletion() {
1805		for (ExecutionMode m : ExecutionMode.values())
1365	–	for (boolean createIncomplete : new boolean[] { true, false })
1806		for (boolean fFirst : new boolean[] { true, false })
1807		for (Integer v1 : new Integer[] { 1, null })
1808		for (Integer v2 : new Integer[] { 2, null })
1809		{
1810		final CompletableFuture<Integer> f = new CompletableFuture<>();
1811		final CompletableFuture<Integer> g = new CompletableFuture<>();
1812	<	final SubtractAction r = new SubtractAction();
1813	<
1814	<	if (fFirst) f.complete(v1); else g.complete(v2);
1815	<	if (!createIncomplete)
1816	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1817	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1818	<	if (createIncomplete) {
1819	<	checkIncomplete(h);
1820	<	assertEquals(0, r.invocationCount);
1821	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1822	<	}
1823	<
1824	<	checkCompletedNormally(h, null);
1825	<	assertEquals(subtract(v1, v2), r.value);
1812	>	final SubtractAction r1 = new SubtractAction(m);
1813	>	final SubtractAction r2 = new SubtractAction(m);
1814	>	final SubtractAction r3 = new SubtractAction(m);
1815	>
1816	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1817	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1818	>	final Integer w1 =  fFirst ? v1 : v2;
1819	>	final Integer w2 = !fFirst ? v1 : v2;
1820	>
1821	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1822	>	assertTrue(fst.complete(w1));
1823	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1824	>	checkIncomplete(h1);
1825	>	checkIncomplete(h2);
1826	>	r1.assertNotInvoked();
1827	>	r2.assertNotInvoked();
1828	>	assertTrue(snd.complete(w2));
1829	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1830	>
1831	>	checkCompletedNormally(h1, null);
1832	>	checkCompletedNormally(h2, null);
1833	>	checkCompletedNormally(h3, null);
1834	>	r1.assertValue(subtract(v1, v2));
1835	>	r2.assertValue(subtract(v1, v2));
1836	>	r3.assertValue(subtract(v1, v2));
1837		checkCompletedNormally(f, v1);
1838		checkCompletedNormally(g, v2);
1839		}}
#	Line 1391 | Line 1842 | public class CompletableFutureTest exten
1842		* thenAcceptBoth result completes exceptionally after exceptional
1843		* completion of either source
1844		*/
1845	<	public void testThenAcceptBoth_exceptionalCompletion() {
1845	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1846		for (ExecutionMode m : ExecutionMode.values())
1396	–	for (boolean createIncomplete : new boolean[] { true, false })
1847		for (boolean fFirst : new boolean[] { true, false })
1848	+	for (boolean failFirst : new boolean[] { true, false })
1849		for (Integer v1 : new Integer[] { 1, null })
1850		{
1851		final CompletableFuture<Integer> f = new CompletableFuture<>();
1852		final CompletableFuture<Integer> g = new CompletableFuture<>();
1853		final CFException ex = new CFException();
1854	<	final SubtractAction r = new SubtractAction();
1855	<
1856	<	(fFirst ? f : g).complete(v1);
1857	<	if (!createIncomplete)
1858	<	(!fFirst ? f : g).completeExceptionally(ex);
1859	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1860	<	if (createIncomplete) {
1861	<	checkIncomplete(h);
1862	<	(!fFirst ? f : g).completeExceptionally(ex);
1863	<	}
1864	<
1865	<	checkCompletedWithWrappedCFException(h, ex);
1866	<	assertEquals(0, r.invocationCount);
1867	<	checkCompletedNormally(fFirst ? f : g, v1);
1868	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1854	>	final SubtractAction r1 = new SubtractAction(m);
1855	>	final SubtractAction r2 = new SubtractAction(m);
1856	>	final SubtractAction r3 = new SubtractAction(m);
1857	>
1858	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1859	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1860	>	final Callable<Boolean> complete1 = failFirst ?
1861	>	() -> fst.completeExceptionally(ex) :
1862	>	() -> fst.complete(v1);
1863	>	final Callable<Boolean> complete2 = failFirst ?
1864	>	() -> snd.complete(v1) :
1865	>	() -> snd.completeExceptionally(ex);
1866	>
1867	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1868	>	assertTrue(complete1.call());
1869	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1870	>	checkIncomplete(h1);
1871	>	checkIncomplete(h2);
1872	>	assertTrue(complete2.call());
1873	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1874	>
1875	>	checkCompletedWithWrappedException(h1, ex);
1876	>	checkCompletedWithWrappedException(h2, ex);
1877	>	checkCompletedWithWrappedException(h3, ex);
1878	>	r1.assertNotInvoked();
1879	>	r2.assertNotInvoked();
1880	>	r3.assertNotInvoked();
1881	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1882	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1883		}}
1884
1885		/**
1886	<	* thenAcceptBoth result completes exceptionally if action does
1886	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1887		*/
1888	<	public void testThenAcceptBoth_actionFailed() {
1888	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1889		for (ExecutionMode m : ExecutionMode.values())
1890	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1891		for (boolean fFirst : new boolean[] { true, false })
1892	+	for (boolean failFirst : new boolean[] { true, false })
1893		for (Integer v1 : new Integer[] { 1, null })
1427	–	for (Integer v2 : new Integer[] { 2, null })
1894		{
1895		final CompletableFuture<Integer> f = new CompletableFuture<>();
1896		final CompletableFuture<Integer> g = new CompletableFuture<>();
1897	<	final FailingBiConsumer r = new FailingBiConsumer();
1898	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1899	<
1900	<	if (fFirst) {
1901	<	f.complete(v1);
1902	<	g.complete(v2);
1903	<	} else {
1904	<	g.complete(v2);
1905	<	f.complete(v1);
1906	<	}
1907	<
1908	<	checkCompletedWithWrappedCFException(h);
1909	<	checkCompletedNormally(f, v1);
1910	<	checkCompletedNormally(g, v2);
1897	>	final SubtractAction r1 = new SubtractAction(m);
1898	>	final SubtractAction r2 = new SubtractAction(m);
1899	>	final SubtractAction r3 = new SubtractAction(m);
1900	>
1901	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1902	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1903	>	final Callable<Boolean> complete1 = failFirst ?
1904	>	() -> fst.cancel(mayInterruptIfRunning) :
1905	>	() -> fst.complete(v1);
1906	>	final Callable<Boolean> complete2 = failFirst ?
1907	>	() -> snd.complete(v1) :
1908	>	() -> snd.cancel(mayInterruptIfRunning);
1909	>
1910	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1911	>	assertTrue(complete1.call());
1912	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1913	>	checkIncomplete(h1);
1914	>	checkIncomplete(h2);
1915	>	assertTrue(complete2.call());
1916	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1917	>
1918	>	checkCompletedWithWrappedCancellationException(h1);
1919	>	checkCompletedWithWrappedCancellationException(h2);
1920	>	checkCompletedWithWrappedCancellationException(h3);
1921	>	r1.assertNotInvoked();
1922	>	r2.assertNotInvoked();
1923	>	r3.assertNotInvoked();
1924	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1925	>	checkCancelled(failFirst ? fst : snd);
1926		}}
1927
1928		/**
1929	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1929	>	* thenAcceptBoth result completes exceptionally if action does
1930		*/
1931	<	public void testThenAcceptBoth_sourceCancelled() {
1931	>	public void testThenAcceptBoth_actionFailed() {
1932		for (ExecutionMode m : ExecutionMode.values())
1452	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1453	–	for (boolean createIncomplete : new boolean[] { true, false })
1933		for (boolean fFirst : new boolean[] { true, false })
1934		for (Integer v1 : new Integer[] { 1, null })
1935	+	for (Integer v2 : new Integer[] { 2, null })
1936		{
1937		final CompletableFuture<Integer> f = new CompletableFuture<>();
1938		final CompletableFuture<Integer> g = new CompletableFuture<>();
1939	<	final SubtractAction r = new SubtractAction();
1940	<
1941	<	(fFirst ? f : g).complete(v1);
1942	<	if (!createIncomplete)
1943	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1944	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1945	<	if (createIncomplete) {
1946	<	checkIncomplete(h);
1947	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1948	<	}
1949	<
1950	<	checkCompletedWithWrappedCancellationException(h);
1951	<	checkCancelled(!fFirst ? f : g);
1952	<	assertEquals(0, r.invocationCount);
1953	<	checkCompletedNormally(fFirst ? f : g, v1);
1939	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1940	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1941	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1942	>
1943	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1944	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1945	>	final Integer w1 =  fFirst ? v1 : v2;
1946	>	final Integer w2 = !fFirst ? v1 : v2;
1947	>
1948	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1949	>	assertTrue(fst.complete(w1));
1950	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1951	>	assertTrue(snd.complete(w2));
1952	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1953	>
1954	>	checkCompletedWithWrappedException(h1, r1.ex);
1955	>	checkCompletedWithWrappedException(h2, r2.ex);
1956	>	checkCompletedWithWrappedException(h3, r3.ex);
1957	>	r1.assertInvoked();
1958	>	r2.assertInvoked();
1959	>	r3.assertInvoked();
1960	>	checkCompletedNormally(f, v1);
1961	>	checkCompletedNormally(g, v2);
1962		}}
1963
1964		/**
#	Line 1479 | Line 1967 | public class CompletableFutureTest exten
1967		*/
1968		public void testRunAfterBoth_normalCompletion() {
1969		for (ExecutionMode m : ExecutionMode.values())
1482	–	for (boolean createIncomplete : new boolean[] { true, false })
1970		for (boolean fFirst : new boolean[] { true, false })
1971		for (Integer v1 : new Integer[] { 1, null })
1972		for (Integer v2 : new Integer[] { 2, null })
1973		{
1974		final CompletableFuture<Integer> f = new CompletableFuture<>();
1975		final CompletableFuture<Integer> g = new CompletableFuture<>();
1976	<	final Noop r = new Noop(m);
1977	<
1978	<	if (fFirst) f.complete(v1); else g.complete(v2);
1979	<	if (!createIncomplete)
1980	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1981	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1982	<	if (createIncomplete) {
1983	<	checkIncomplete(h);
1984	<	assertEquals(0, r.invocationCount);
1985	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1986	<	}
1987	<
1988	<	checkCompletedNormally(h, null);
1989	<	assertEquals(1, r.invocationCount);
1976	>	final Noop r1 = new Noop(m);
1977	>	final Noop r2 = new Noop(m);
1978	>	final Noop r3 = new Noop(m);
1979	>
1980	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1981	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1982	>	final Integer w1 =  fFirst ? v1 : v2;
1983	>	final Integer w2 = !fFirst ? v1 : v2;
1984	>
1985	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1986	>	assertTrue(fst.complete(w1));
1987	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1988	>	checkIncomplete(h1);
1989	>	checkIncomplete(h2);
1990	>	r1.assertNotInvoked();
1991	>	r2.assertNotInvoked();
1992	>	assertTrue(snd.complete(w2));
1993	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1994	>
1995	>	checkCompletedNormally(h1, null);
1996	>	checkCompletedNormally(h2, null);
1997	>	checkCompletedNormally(h3, null);
1998	>	r1.assertInvoked();
1999	>	r2.assertInvoked();
2000	>	r3.assertInvoked();
2001		checkCompletedNormally(f, v1);
2002		checkCompletedNormally(g, v2);
2003		}}
#	Line 1508 | Line 2006 | public class CompletableFutureTest exten
2006		* runAfterBoth result completes exceptionally after exceptional
2007		* completion of either source
2008		*/
2009	<	public void testRunAfterBoth_exceptionalCompletion() {
2009	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2010		for (ExecutionMode m : ExecutionMode.values())
1513	–	for (boolean createIncomplete : new boolean[] { true, false })
2011		for (boolean fFirst : new boolean[] { true, false })
2012	+	for (boolean failFirst : new boolean[] { true, false })
2013		for (Integer v1 : new Integer[] { 1, null })
2014		{
2015		final CompletableFuture<Integer> f = new CompletableFuture<>();
2016		final CompletableFuture<Integer> g = new CompletableFuture<>();
2017		final CFException ex = new CFException();
2018	<	final Noop r = new Noop(m);
2019	<
2020	<	(fFirst ? f : g).complete(v1);
2021	<	if (!createIncomplete)
2022	<	(!fFirst ? f : g).completeExceptionally(ex);
2023	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2024	<	if (createIncomplete) {
2025	<	checkIncomplete(h);
2026	<	(!fFirst ? f : g).completeExceptionally(ex);
2027	<	}
2028	<
2029	<	checkCompletedWithWrappedCFException(h, ex);
2030	<	assertEquals(0, r.invocationCount);
2031	<	checkCompletedNormally(fFirst ? f : g, v1);
2032	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
2033	<	}}
2034	<
2035	<	/**
2036	<	* runAfterBoth result completes exceptionally if action does
2037	<	*/
2038	<	public void testRunAfterBoth_actionFailed() {
2039	<	for (ExecutionMode m : ExecutionMode.values())
2040	<	for (boolean fFirst : new boolean[] { true, false })
2041	<	for (Integer v1 : new Integer[] { 1, null })
2042	<	for (Integer v2 : new Integer[] { 2, null })
2043	<	{
2044	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2045	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2046	<	final FailingRunnable r = new FailingRunnable();
1549	<
1550	<	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r);
1551	<	if (fFirst) {
1552	<	f.complete(v1);
1553	<	g.complete(v2);
1554	<	} else {
1555	<	g.complete(v2);
1556	<	f.complete(v1);
1557	<	}
1558	<	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r);
1559	<
1560	<	checkCompletedWithWrappedCFException(h1);
1561	<	checkCompletedWithWrappedCFException(h2);
1562	<	checkCompletedNormally(f, v1);
1563	<	checkCompletedNormally(g, v2);
2018	>	final Noop r1 = new Noop(m);
2019	>	final Noop r2 = new Noop(m);
2020	>	final Noop r3 = new Noop(m);
2021	>
2022	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2023	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2024	>	final Callable<Boolean> complete1 = failFirst ?
2025	>	() -> fst.completeExceptionally(ex) :
2026	>	() -> fst.complete(v1);
2027	>	final Callable<Boolean> complete2 = failFirst ?
2028	>	() -> snd.complete(v1) :
2029	>	() -> snd.completeExceptionally(ex);
2030	>
2031	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2032	>	assertTrue(complete1.call());
2033	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2034	>	checkIncomplete(h1);
2035	>	checkIncomplete(h2);
2036	>	assertTrue(complete2.call());
2037	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2038	>
2039	>	checkCompletedWithWrappedException(h1, ex);
2040	>	checkCompletedWithWrappedException(h2, ex);
2041	>	checkCompletedWithWrappedException(h3, ex);
2042	>	r1.assertNotInvoked();
2043	>	r2.assertNotInvoked();
2044	>	r3.assertNotInvoked();
2045	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2046	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2047		}}
2048
2049		/**
2050		* runAfterBoth result completes exceptionally if either source cancelled
2051		*/
2052	<	public void testRunAfterBoth_sourceCancelled() {
2052	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2053		for (ExecutionMode m : ExecutionMode.values())
2054		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1572	–	for (boolean createIncomplete : new boolean[] { true, false })
2055		for (boolean fFirst : new boolean[] { true, false })
2056	+	for (boolean failFirst : new boolean[] { true, false })
2057		for (Integer v1 : new Integer[] { 1, null })
2058		{
2059		final CompletableFuture<Integer> f = new CompletableFuture<>();
2060		final CompletableFuture<Integer> g = new CompletableFuture<>();
2061	<	final Noop r = new Noop(m);
2062	<
2063	<
2064	<	(fFirst ? f : g).complete(v1);
2065	<	if (!createIncomplete)
2066	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2067	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2068	<	if (createIncomplete) {
2069	<	checkIncomplete(h);
2070	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2071	<	}
2072	<
2073	<	checkCompletedWithWrappedCancellationException(h);
2074	<	checkCancelled(!fFirst ? f : g);
2075	<	assertEquals(0, r.invocationCount);
2076	<	checkCompletedNormally(fFirst ? f : g, v1);
2061	>	final Noop r1 = new Noop(m);
2062	>	final Noop r2 = new Noop(m);
2063	>	final Noop r3 = new Noop(m);
2064	>
2065	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2066	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2067	>	final Callable<Boolean> complete1 = failFirst ?
2068	>	() -> fst.cancel(mayInterruptIfRunning) :
2069	>	() -> fst.complete(v1);
2070	>	final Callable<Boolean> complete2 = failFirst ?
2071	>	() -> snd.complete(v1) :
2072	>	() -> snd.cancel(mayInterruptIfRunning);
2073	>
2074	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2075	>	assertTrue(complete1.call());
2076	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2077	>	checkIncomplete(h1);
2078	>	checkIncomplete(h2);
2079	>	assertTrue(complete2.call());
2080	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2081	>
2082	>	checkCompletedWithWrappedCancellationException(h1);
2083	>	checkCompletedWithWrappedCancellationException(h2);
2084	>	checkCompletedWithWrappedCancellationException(h3);
2085	>	r1.assertNotInvoked();
2086	>	r2.assertNotInvoked();
2087	>	r3.assertNotInvoked();
2088	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2089	>	checkCancelled(failFirst ? fst : snd);
2090		}}
2091
2092		/**
2093	<	* applyToEither result completes normally after normal completion
1598	<	* of either source
2093	>	* runAfterBoth result completes exceptionally if action does
2094		*/
2095	<	public void testApplyToEither_normalCompletion() {
2095	>	public void testRunAfterBoth_actionFailed() {
2096		for (ExecutionMode m : ExecutionMode.values())
1602	–	for (boolean createIncomplete : new boolean[] { true, false })
2097		for (boolean fFirst : new boolean[] { true, false })
2098		for (Integer v1 : new Integer[] { 1, null })
2099		for (Integer v2 : new Integer[] { 2, null })
2100		{
2101		final CompletableFuture<Integer> f = new CompletableFuture<>();
2102		final CompletableFuture<Integer> g = new CompletableFuture<>();
2103	<	final IncFunction r = new IncFunction();
2104	<
2105	<	if (!createIncomplete)
2106	<	if (fFirst) f.complete(v1); else g.complete(v2);
2107	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2108	<	if (createIncomplete) {
2109	<	checkIncomplete(h);
2110	<	assertEquals(0, r.invocationCount);
2111	<	if (fFirst) f.complete(v1); else g.complete(v2);
2112	<	}
2113	<	checkCompletedNormally(h, inc(fFirst ? v1 : v2));
2114	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2115	<
2103	>	final FailingRunnable r1 = new FailingRunnable(m);
2104	>	final FailingRunnable r2 = new FailingRunnable(m);
2105	>	final FailingRunnable r3 = new FailingRunnable(m);
2106	>
2107	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2108	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2109	>	final Integer w1 =  fFirst ? v1 : v2;
2110	>	final Integer w2 = !fFirst ? v1 : v2;
2111	>
2112	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2113	>	assertTrue(fst.complete(w1));
2114	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2115	>	assertTrue(snd.complete(w2));
2116	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2117	>
2118	>	checkCompletedWithWrappedException(h1, r1.ex);
2119	>	checkCompletedWithWrappedException(h2, r2.ex);
2120	>	checkCompletedWithWrappedException(h3, r3.ex);
2121	>	r1.assertInvoked();
2122	>	r2.assertInvoked();
2123	>	r3.assertInvoked();
2124		checkCompletedNormally(f, v1);
2125		checkCompletedNormally(g, v2);
1624	–	checkCompletedNormally(h, inc(fFirst ? v1 : v2));
2126		}}
2127
2128	<	public void testApplyToEither_normalCompletionBothAvailable() {
2128	>	/**
2129	>	* applyToEither result completes normally after normal completion
2130	>	* of either source
2131	>	*/
2132	>	public void testApplyToEither_normalCompletion() {
2133		for (ExecutionMode m : ExecutionMode.values())
1629	–	for (boolean fFirst : new boolean[] { true, false })
2134		for (Integer v1 : new Integer[] { 1, null })
2135		for (Integer v2 : new Integer[] { 2, null })
2136		{
2137		final CompletableFuture<Integer> f = new CompletableFuture<>();
2138		final CompletableFuture<Integer> g = new CompletableFuture<>();
2139	<	final IncFunction r = new IncFunction();
2139	>	final IncFunction[] rs = new IncFunction[6];
2140	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2141
2142	<	if (fFirst) {
2143	<	f.complete(v1);
2144	<	g.complete(v2);
2145	<	} else {
2146	<	g.complete(v2);
2147	<	f.complete(v1);
2148	<	}
2142	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2143	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2144	>	checkIncomplete(h0);
2145	>	checkIncomplete(h1);
2146	>	rs[0].assertNotInvoked();
2147	>	rs[1].assertNotInvoked();
2148	>	f.complete(v1);
2149	>	checkCompletedNormally(h0, inc(v1));
2150	>	checkCompletedNormally(h1, inc(v1));
2151	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2152	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2153	>	checkCompletedNormally(h2, inc(v1));
2154	>	checkCompletedNormally(h3, inc(v1));
2155	>	g.complete(v2);
2156
2157	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2157	>	// unspecified behavior - both source completions available
2158	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2159	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2160	>	rs[4].assertValue(h4.join());
2161	>	rs[5].assertValue(h5.join());
2162	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2163	>	Objects.equals(inc(v2), h4.join()));
2164	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2165	>	Objects.equals(inc(v2), h5.join()));
2166
2167		checkCompletedNormally(f, v1);
2168		checkCompletedNormally(g, v2);
2169	<
2170	<	// unspecified behavior
2171	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2172	<	Objects.equals(h.join(), inc(v2)));
2173	<	assertEquals(1, r.invocationCount);
2169	>	checkCompletedNormally(h0, inc(v1));
2170	>	checkCompletedNormally(h1, inc(v1));
2171	>	checkCompletedNormally(h2, inc(v1));
2172	>	checkCompletedNormally(h3, inc(v1));
2173	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2174		}}
2175
2176		/**
2177		* applyToEither result completes exceptionally after exceptional
2178		* completion of either source
2179		*/
2180	<	public void testApplyToEither_exceptionalCompletion1() {
2180	>	public void testApplyToEither_exceptionalCompletion() {
2181		for (ExecutionMode m : ExecutionMode.values())
1662	–	for (boolean createIncomplete : new boolean[] { true, false })
1663	–	for (boolean fFirst : new boolean[] { true, false })
2182		for (Integer v1 : new Integer[] { 1, null })
2183		{
2184		final CompletableFuture<Integer> f = new CompletableFuture<>();
2185		final CompletableFuture<Integer> g = new CompletableFuture<>();
2186		final CFException ex = new CFException();
2187	<	final IncFunction r = new IncFunction();
2187	>	final IncFunction[] rs = new IncFunction[6];
2188	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2189
2190	<	if (!createIncomplete) (fFirst ? f : g).completeExceptionally(ex);
2191	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2192	<	if (createIncomplete) {
2193	<	checkIncomplete(h);
2194	<	assertEquals(0, r.invocationCount);
2195	<	(fFirst ? f : g).completeExceptionally(ex);
2190	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2191	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2192	>	checkIncomplete(h0);
2193	>	checkIncomplete(h1);
2194	>	rs[0].assertNotInvoked();
2195	>	rs[1].assertNotInvoked();
2196	>	f.completeExceptionally(ex);
2197	>	checkCompletedWithWrappedException(h0, ex);
2198	>	checkCompletedWithWrappedException(h1, ex);
2199	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2200	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2201	>	checkCompletedWithWrappedException(h2, ex);
2202	>	checkCompletedWithWrappedException(h3, ex);
2203	>	g.complete(v1);
2204	>
2205	>	// unspecified behavior - both source completions available
2206	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2207	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2208	>	try {
2209	>	assertEquals(inc(v1), h4.join());
2210	>	rs[4].assertValue(inc(v1));
2211	>	} catch (CompletionException ok) {
2212	>	checkCompletedWithWrappedException(h4, ex);
2213	>	rs[4].assertNotInvoked();
2214	>	}
2215	>	try {
2216	>	assertEquals(inc(v1), h5.join());
2217	>	rs[5].assertValue(inc(v1));
2218	>	} catch (CompletionException ok) {
2219	>	checkCompletedWithWrappedException(h5, ex);
2220	>	rs[5].assertNotInvoked();
2221		}
2222
2223	<	checkCompletedWithWrappedCFException(h, ex);
2224	<	(!fFirst ? f : g).complete(v1);
2225	<
2226	<	assertEquals(0, r.invocationCount);
2227	<	checkCompletedNormally(!fFirst ? f : g, v1);
2228	<	checkCompletedWithWrappedCFException(fFirst ? f : g, ex);
2229	<	checkCompletedWithWrappedCFException(h, ex);
2223	>	checkCompletedExceptionally(f, ex);
2224	>	checkCompletedNormally(g, v1);
2225	>	checkCompletedWithWrappedException(h0, ex);
2226	>	checkCompletedWithWrappedException(h1, ex);
2227	>	checkCompletedWithWrappedException(h2, ex);
2228	>	checkCompletedWithWrappedException(h3, ex);
2229	>	checkCompletedWithWrappedException(h4, ex);
2230	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2231		}}
2232
2233		public void testApplyToEither_exceptionalCompletion2() {
2234		for (ExecutionMode m : ExecutionMode.values())
1690	–	for (boolean reverseArgs : new boolean[] { true, false })
2235		for (boolean fFirst : new boolean[] { true, false })
2236		for (Integer v1 : new Integer[] { 1, null })
2237		{
2238		final CompletableFuture<Integer> f = new CompletableFuture<>();
2239		final CompletableFuture<Integer> g = new CompletableFuture<>();
1696	–	final IncFunction r1 = new IncFunction();
1697	–	final IncFunction r2 = new IncFunction();
2240		final CFException ex = new CFException();
2241	<	final CompletableFuture<Integer> j = (reverseArgs ? g : f);
2242	<	final CompletableFuture<Integer> k = (reverseArgs ? f : g);
1701	<	final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
1702	<	if (fFirst) {
1703	<	f.complete(v1);
1704	<	g.completeExceptionally(ex);
1705	<	} else {
1706	<	g.completeExceptionally(ex);
1707	<	f.complete(v1);
1708	<	}
1709	<	final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
2241	>	final IncFunction[] rs = new IncFunction[6];
2242	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2243
2244	<	// unspecified behavior
2244	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2245	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2246	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2247	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2248	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2249	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2250	>
2251	>	// unspecified behavior - both source completions available
2252	>	try {
2253	>	assertEquals(inc(v1), h0.join());
2254	>	rs[0].assertValue(inc(v1));
2255	>	} catch (CompletionException ok) {
2256	>	checkCompletedWithWrappedException(h0, ex);
2257	>	rs[0].assertNotInvoked();
2258	>	}
2259		try {
2260		assertEquals(inc(v1), h1.join());
2261	<	assertEquals(1, r1.invocationCount);
2261	>	rs[1].assertValue(inc(v1));
2262		} catch (CompletionException ok) {
2263	<	checkCompletedWithWrappedCFException(h1, ex);
2264	<	assertEquals(0, r1.invocationCount);
2263	>	checkCompletedWithWrappedException(h1, ex);
2264	>	rs[1].assertNotInvoked();
2265		}
1719	–
2266		try {
2267		assertEquals(inc(v1), h2.join());
2268	<	assertEquals(1, r2.invocationCount);
2268	>	rs[2].assertValue(inc(v1));
2269		} catch (CompletionException ok) {
2270	<	checkCompletedWithWrappedCFException(h2, ex);
2271	<	assertEquals(0, r2.invocationCount);
2270	>	checkCompletedWithWrappedException(h2, ex);
2271	>	rs[2].assertNotInvoked();
2272	>	}
2273	>	try {
2274	>	assertEquals(inc(v1), h3.join());
2275	>	rs[3].assertValue(inc(v1));
2276	>	} catch (CompletionException ok) {
2277	>	checkCompletedWithWrappedException(h3, ex);
2278	>	rs[3].assertNotInvoked();
2279		}
2280
1728	–	checkCompletedWithWrappedCFException(g, ex);
1729	–	checkCompletedNormally(f, v1);
1730	–	}}
1731	–
1732	–	/**
1733	–	* applyToEither result completes exceptionally if action does
1734	–	*/
1735	–	public void testApplyToEither_actionFailed1() {
1736	–	for (ExecutionMode m : ExecutionMode.values())
1737	–	for (Integer v1 : new Integer[] { 1, null })
1738	–	for (Integer v2 : new Integer[] { 2, null })
1739	–	{
1740	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1741	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1742	–	final FailingFunction r = new FailingFunction();
1743	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1744	–
1745	–	f.complete(v1);
1746	–	checkCompletedWithWrappedCFException(h);
1747	–	g.complete(v2);
1748	–	checkCompletedNormally(f, v1);
1749	–	checkCompletedNormally(g, v2);
1750	–	}}
1751	–
1752	–	public void testApplyToEither_actionFailed2() {
1753	–	for (ExecutionMode m : ExecutionMode.values())
1754	–	for (Integer v1 : new Integer[] { 1, null })
1755	–	for (Integer v2 : new Integer[] { 2, null })
1756	–	{
1757	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1758	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1759	–	final FailingFunction r = new FailingFunction();
1760	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1761	–
1762	–	g.complete(v2);
1763	–	checkCompletedWithWrappedCFException(h);
1764	–	f.complete(v1);
2281		checkCompletedNormally(f, v1);
2282	<	checkCompletedNormally(g, v2);
2282	>	checkCompletedExceptionally(g, ex);
2283		}}
2284
2285		/**
2286		* applyToEither result completes exceptionally if either source cancelled
2287		*/
2288	<	public void testApplyToEither_sourceCancelled1() {
2288	>	public void testApplyToEither_sourceCancelled() {
2289		for (ExecutionMode m : ExecutionMode.values())
2290		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1775	–	for (boolean createIncomplete : new boolean[] { true, false })
1776	–	for (boolean fFirst : new boolean[] { true, false })
2291		for (Integer v1 : new Integer[] { 1, null })
2292		{
2293		final CompletableFuture<Integer> f = new CompletableFuture<>();
2294		final CompletableFuture<Integer> g = new CompletableFuture<>();
2295	<	final IncFunction r = new IncFunction();
2295	>	final IncFunction[] rs = new IncFunction[6];
2296	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2297
2298	<	if (!createIncomplete) assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
2299	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2300	<	if (createIncomplete) {
2301	<	checkIncomplete(h);
2302	<	assertEquals(0, r.invocationCount);
2303	<	assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
2298	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2299	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2300	>	checkIncomplete(h0);
2301	>	checkIncomplete(h1);
2302	>	rs[0].assertNotInvoked();
2303	>	rs[1].assertNotInvoked();
2304	>	f.cancel(mayInterruptIfRunning);
2305	>	checkCompletedWithWrappedCancellationException(h0);
2306	>	checkCompletedWithWrappedCancellationException(h1);
2307	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2308	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2309	>	checkCompletedWithWrappedCancellationException(h2);
2310	>	checkCompletedWithWrappedCancellationException(h3);
2311	>	g.complete(v1);
2312	>
2313	>	// unspecified behavior - both source completions available
2314	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2315	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2316	>	try {
2317	>	assertEquals(inc(v1), h4.join());
2318	>	rs[4].assertValue(inc(v1));
2319	>	} catch (CompletionException ok) {
2320	>	checkCompletedWithWrappedCancellationException(h4);
2321	>	rs[4].assertNotInvoked();
2322	>	}
2323	>	try {
2324	>	assertEquals(inc(v1), h5.join());
2325	>	rs[5].assertValue(inc(v1));
2326	>	} catch (CompletionException ok) {
2327	>	checkCompletedWithWrappedCancellationException(h5);
2328	>	rs[5].assertNotInvoked();
2329		}
2330
2331	<	checkCompletedWithWrappedCancellationException(h);
2332	<	(!fFirst ? f : g).complete(v1);
2333	<
2334	<	assertEquals(0, r.invocationCount);
2335	<	checkCompletedNormally(!fFirst ? f : g, v1);
2336	<	checkCancelled(fFirst ? f : g);
2337	<	checkCompletedWithWrappedCancellationException(h);
2331	>	checkCancelled(f);
2332	>	checkCompletedNormally(g, v1);
2333	>	checkCompletedWithWrappedCancellationException(h0);
2334	>	checkCompletedWithWrappedCancellationException(h1);
2335	>	checkCompletedWithWrappedCancellationException(h2);
2336	>	checkCompletedWithWrappedCancellationException(h3);
2337	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2338		}}
2339
2340		public void testApplyToEither_sourceCancelled2() {
2341		for (ExecutionMode m : ExecutionMode.values())
2342		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1803	–	for (boolean reverseArgs : new boolean[] { true, false })
2343		for (boolean fFirst : new boolean[] { true, false })
2344		for (Integer v1 : new Integer[] { 1, null })
2345		{
2346		final CompletableFuture<Integer> f = new CompletableFuture<>();
2347		final CompletableFuture<Integer> g = new CompletableFuture<>();
2348	<	final IncFunction r1 = new IncFunction();
2349	<	final IncFunction r2 = new IncFunction();
1811	<	final CFException ex = new CFException();
1812	<	final CompletableFuture<Integer> j = (reverseArgs ? g : f);
1813	<	final CompletableFuture<Integer> k = (reverseArgs ? f : g);
2348	>	final IncFunction[] rs = new IncFunction[6];
2349	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2350
2351	<	final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
2352	<	if (fFirst) {
2353	<	f.complete(v1);
2354	<	assertTrue(g.cancel(mayInterruptIfRunning));
2355	<	} else {
2356	<	assertTrue(g.cancel(mayInterruptIfRunning));
1821	<	f.complete(v1);
1822	<	}
1823	<	final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
2351	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2352	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2353	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2354	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2355	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2356	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2357
2358	<	// unspecified behavior
2358	>	// unspecified behavior - both source completions available
2359	>	try {
2360	>	assertEquals(inc(v1), h0.join());
2361	>	rs[0].assertValue(inc(v1));
2362	>	} catch (CompletionException ok) {
2363	>	checkCompletedWithWrappedCancellationException(h0);
2364	>	rs[0].assertNotInvoked();
2365	>	}
2366		try {
2367		assertEquals(inc(v1), h1.join());
2368	<	assertEquals(1, r1.invocationCount);
2368	>	rs[1].assertValue(inc(v1));
2369		} catch (CompletionException ok) {
2370		checkCompletedWithWrappedCancellationException(h1);
2371	<	assertEquals(0, r1.invocationCount);
2371	>	rs[1].assertNotInvoked();
2372		}
1833	–
2373		try {
2374		assertEquals(inc(v1), h2.join());
2375	<	assertEquals(1, r2.invocationCount);
2375	>	rs[2].assertValue(inc(v1));
2376		} catch (CompletionException ok) {
2377		checkCompletedWithWrappedCancellationException(h2);
2378	<	assertEquals(0, r2.invocationCount);
2378	>	rs[2].assertNotInvoked();
2379	>	}
2380	>	try {
2381	>	assertEquals(inc(v1), h3.join());
2382	>	rs[3].assertValue(inc(v1));
2383	>	} catch (CompletionException ok) {
2384	>	checkCompletedWithWrappedCancellationException(h3);
2385	>	rs[3].assertNotInvoked();
2386		}
2387
1842	–	checkCancelled(g);
2388		checkCompletedNormally(f, v1);
2389	+	checkCancelled(g);
2390		}}
2391
2392		/**
2393	<	* acceptEither result completes normally after normal completion
1848	<	* of either source
2393	>	* applyToEither result completes exceptionally if action does
2394		*/
2395	<	public void testAcceptEither_normalCompletion1() {
2395	>	public void testApplyToEither_actionFailed() {
2396		for (ExecutionMode m : ExecutionMode.values())
2397		for (Integer v1 : new Integer[] { 1, null })
2398		for (Integer v2 : new Integer[] { 2, null })
2399		{
2400		final CompletableFuture<Integer> f = new CompletableFuture<>();
2401		final CompletableFuture<Integer> g = new CompletableFuture<>();
2402	<	final IncAction r = new IncAction();
2403	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2402	>	final FailingFunction[] rs = new FailingFunction[6];
2403	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2404
2405	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2406	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2407		f.complete(v1);
2408	<	checkCompletedNormally(h, null);
2409	<	assertEquals(inc(v1), r.value);
2410	<	g.complete(v2);
2411	<
2412	<	checkCompletedNormally(f, v1);
2413	<	checkCompletedNormally(g, v2);
2414	<	checkCompletedNormally(h, null);
1868	<	}}
1869	<
1870	<	public void testAcceptEither_normalCompletion2() {
1871	<	for (ExecutionMode m : ExecutionMode.values())
1872	<	for (Integer v1 : new Integer[] { 1, null })
1873	<	for (Integer v2 : new Integer[] { 2, null })
1874	<	{
1875	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1876	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1877	<	final IncAction r = new IncAction();
1878	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2408	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2409	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2410	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2411	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2412	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2413	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2414	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2415
2416		g.complete(v2);
2417	<	checkCompletedNormally(h, null);
2418	<	assertEquals(inc(v2), r.value);
2419	<	f.complete(v1);
2417	>
2418	>	// unspecified behavior - both source completions available
2419	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2420	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2421	>
2422	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2423	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2424	>	Objects.equals(v2, rs[4].value));
2425	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2426	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2427	>	Objects.equals(v2, rs[5].value));
2428
2429		checkCompletedNormally(f, v1);
2430		checkCompletedNormally(g, v2);
1887	–	checkCompletedNormally(h, null);
2431		}}
2432
2433	<	public void testAcceptEither_normalCompletion3() {
2433	>	/**
2434	>	* acceptEither result completes normally after normal completion
2435	>	* of either source
2436	>	*/
2437	>	public void testAcceptEither_normalCompletion() {
2438		for (ExecutionMode m : ExecutionMode.values())
2439		for (Integer v1 : new Integer[] { 1, null })
2440		for (Integer v2 : new Integer[] { 2, null })
2441		{
2442		final CompletableFuture<Integer> f = new CompletableFuture<>();
2443		final CompletableFuture<Integer> g = new CompletableFuture<>();
2444	<	final IncAction r = new IncAction();
2444	>	final NoopConsumer[] rs = new NoopConsumer[6];
2445	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2446
2447	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2448	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2449	+	checkIncomplete(h0);
2450	+	checkIncomplete(h1);
2451	+	rs[0].assertNotInvoked();
2452	+	rs[1].assertNotInvoked();
2453		f.complete(v1);
2454	+	checkCompletedNormally(h0, null);
2455	+	checkCompletedNormally(h1, null);
2456	+	rs[0].assertValue(v1);
2457	+	rs[1].assertValue(v1);
2458	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2459	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2460	+	checkCompletedNormally(h2, null);
2461	+	checkCompletedNormally(h3, null);
2462	+	rs[2].assertValue(v1);
2463	+	rs[3].assertValue(v1);
2464		g.complete(v2);
1901	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2465
2466	<	checkCompletedNormally(h, null);
2466	>	// unspecified behavior - both source completions available
2467	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2468	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2469	>	checkCompletedNormally(h4, null);
2470	>	checkCompletedNormally(h5, null);
2471	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2472	>	Objects.equals(v2, rs[4].value));
2473	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2474	>	Objects.equals(v2, rs[5].value));
2475	>
2476		checkCompletedNormally(f, v1);
2477		checkCompletedNormally(g, v2);
2478	<
2479	<	// unspecified behavior
2480	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2481	<	Objects.equals(r.value, inc(v2)));
2478	>	checkCompletedNormally(h0, null);
2479	>	checkCompletedNormally(h1, null);
2480	>	checkCompletedNormally(h2, null);
2481	>	checkCompletedNormally(h3, null);
2482	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2483		}}
2484
2485		/**
2486		* acceptEither result completes exceptionally after exceptional
2487		* completion of either source
2488		*/
2489	<	public void testAcceptEither_exceptionalCompletion1() {
2489	>	public void testAcceptEither_exceptionalCompletion() {
2490		for (ExecutionMode m : ExecutionMode.values())
2491		for (Integer v1 : new Integer[] { 1, null })
2492		{
2493		final CompletableFuture<Integer> f = new CompletableFuture<>();
2494		final CompletableFuture<Integer> g = new CompletableFuture<>();
1922	–	final IncAction r = new IncAction();
1923	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2495		final CFException ex = new CFException();
2496	+	final NoopConsumer[] rs = new NoopConsumer[6];
2497	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2498
2499	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2500	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2501	+	checkIncomplete(h0);
2502	+	checkIncomplete(h1);
2503	+	rs[0].assertNotInvoked();
2504	+	rs[1].assertNotInvoked();
2505		f.completeExceptionally(ex);
2506	<	checkCompletedWithWrappedCFException(h, ex);
2506	>	checkCompletedWithWrappedException(h0, ex);
2507	>	checkCompletedWithWrappedException(h1, ex);
2508	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2509	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2510	>	checkCompletedWithWrappedException(h2, ex);
2511	>	checkCompletedWithWrappedException(h3, ex);
2512	>
2513		g.complete(v1);
2514
2515	<	assertEquals(0, r.invocationCount);
2515	>	// unspecified behavior - both source completions available
2516	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2517	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2518	>	try {
2519	>	assertNull(h4.join());
2520	>	rs[4].assertValue(v1);
2521	>	} catch (CompletionException ok) {
2522	>	checkCompletedWithWrappedException(h4, ex);
2523	>	rs[4].assertNotInvoked();
2524	>	}
2525	>	try {
2526	>	assertNull(h5.join());
2527	>	rs[5].assertValue(v1);
2528	>	} catch (CompletionException ok) {
2529	>	checkCompletedWithWrappedException(h5, ex);
2530	>	rs[5].assertNotInvoked();
2531	>	}
2532	>
2533	>	checkCompletedExceptionally(f, ex);
2534		checkCompletedNormally(g, v1);
2535	<	checkCompletedWithWrappedCFException(f, ex);
2536	<	checkCompletedWithWrappedCFException(h, ex);
2535	>	checkCompletedWithWrappedException(h0, ex);
2536	>	checkCompletedWithWrappedException(h1, ex);
2537	>	checkCompletedWithWrappedException(h2, ex);
2538	>	checkCompletedWithWrappedException(h3, ex);
2539	>	checkCompletedWithWrappedException(h4, ex);
2540	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2541		}}
2542
2543		public void testAcceptEither_exceptionalCompletion2() {
2544		for (ExecutionMode m : ExecutionMode.values())
2545	+	for (boolean fFirst : new boolean[] { true, false })
2546		for (Integer v1 : new Integer[] { 1, null })
2547		{
2548		final CompletableFuture<Integer> f = new CompletableFuture<>();
2549		final CompletableFuture<Integer> g = new CompletableFuture<>();
1942	–	final IncAction r = new IncAction();
1943	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
1944	–	final CFException ex = new CFException();
1945	–
1946	–	g.completeExceptionally(ex);
1947	–	checkCompletedWithWrappedCFException(h, ex);
1948	–	f.complete(v1);
1949	–
1950	–	assertEquals(0, r.invocationCount);
1951	–	checkCompletedNormally(f, v1);
1952	–	checkCompletedWithWrappedCFException(g, ex);
1953	–	checkCompletedWithWrappedCFException(h, ex);
1954	–	}}
1955	–
1956	–	public void testAcceptEither_exceptionalCompletion3() {
1957	–	for (ExecutionMode m : ExecutionMode.values())
1958	–	for (Integer v1 : new Integer[] { 1, null })
1959	–	{
1960	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1961	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1962	–	final IncAction r = new IncAction();
2550		final CFException ex = new CFException();
2551	+	final NoopConsumer[] rs = new NoopConsumer[6];
2552	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2553
2554	<	g.completeExceptionally(ex);
2555	<	f.complete(v1);
2556	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2554	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2555	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2556	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2557	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2558	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2559	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2560
2561	<	// unspecified behavior
1970	<	Integer v;
2561	>	// unspecified behavior - both source completions available
2562		try {
2563	<	assertNull(h.join());
2564	<	assertEquals(1, r.invocationCount);
1974	<	assertEquals(inc(v1), r.value);
2563	>	assertNull(h0.join());
2564	>	rs[0].assertValue(v1);
2565		} catch (CompletionException ok) {
2566	<	checkCompletedWithWrappedCFException(h, ex);
2567	<	assertEquals(0, r.invocationCount);
2566	>	checkCompletedWithWrappedException(h0, ex);
2567	>	rs[0].assertNotInvoked();
2568		}
1979	–
1980	–	checkCompletedWithWrappedCFException(g, ex);
1981	–	checkCompletedNormally(f, v1);
1982	–	}}
1983	–
1984	–	public void testAcceptEither_exceptionalCompletion4() {
1985	–	for (ExecutionMode m : ExecutionMode.values())
1986	–	for (Integer v1 : new Integer[] { 1, null })
1987	–	{
1988	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1989	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1990	–	final IncAction r = new IncAction();
1991	–	final CFException ex = new CFException();
1992	–
1993	–	f.completeExceptionally(ex);
1994	–	g.complete(v1);
1995	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
1996	–
1997	–	// unspecified behavior
1998	–	Integer v;
2569		try {
2570	<	assertNull(h.join());
2571	<	assertEquals(1, r.invocationCount);
2002	<	assertEquals(inc(v1), r.value);
2570	>	assertNull(h1.join());
2571	>	rs[1].assertValue(v1);
2572		} catch (CompletionException ok) {
2573	<	checkCompletedWithWrappedCFException(h, ex);
2574	<	assertEquals(0, r.invocationCount);
2573	>	checkCompletedWithWrappedException(h1, ex);
2574	>	rs[1].assertNotInvoked();
2575	>	}
2576	>	try {
2577	>	assertNull(h2.join());
2578	>	rs[2].assertValue(v1);
2579	>	} catch (CompletionException ok) {
2580	>	checkCompletedWithWrappedException(h2, ex);
2581	>	rs[2].assertNotInvoked();
2582	>	}
2583	>	try {
2584	>	assertNull(h3.join());
2585	>	rs[3].assertValue(v1);
2586	>	} catch (CompletionException ok) {
2587	>	checkCompletedWithWrappedException(h3, ex);
2588	>	rs[3].assertNotInvoked();
2589		}
2590
2008	–	checkCompletedWithWrappedCFException(f, ex);
2009	–	checkCompletedNormally(g, v1);
2010	–	}}
2011	–
2012	–	/**
2013	–	* acceptEither result completes exceptionally if action does
2014	–	*/
2015	–	public void testAcceptEither_actionFailed1() {
2016	–	for (ExecutionMode m : ExecutionMode.values())
2017	–	for (Integer v1 : new Integer[] { 1, null })
2018	–	for (Integer v2 : new Integer[] { 2, null })
2019	–	{
2020	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2021	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2022	–	final FailingConsumer r = new FailingConsumer();
2023	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2024	–
2025	–	f.complete(v1);
2026	–	checkCompletedWithWrappedCFException(h);
2027	–	g.complete(v2);
2028	–	checkCompletedNormally(f, v1);
2029	–	checkCompletedNormally(g, v2);
2030	–	}}
2031	–
2032	–	public void testAcceptEither_actionFailed2() {
2033	–	for (ExecutionMode m : ExecutionMode.values())
2034	–	for (Integer v1 : new Integer[] { 1, null })
2035	–	for (Integer v2 : new Integer[] { 2, null })
2036	–	{
2037	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2038	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2039	–	final FailingConsumer r = new FailingConsumer();
2040	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2041	–
2042	–	g.complete(v2);
2043	–	checkCompletedWithWrappedCFException(h);
2044	–	f.complete(v1);
2591		checkCompletedNormally(f, v1);
2592	<	checkCompletedNormally(g, v2);
2592	>	checkCompletedExceptionally(g, ex);
2593		}}
2594
2595		/**
2596		* acceptEither result completes exceptionally if either source cancelled
2597		*/
2598	<	public void testAcceptEither_sourceCancelled1() {
2598	>	public void testAcceptEither_sourceCancelled() {
2599		for (ExecutionMode m : ExecutionMode.values())
2600		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2601		for (Integer v1 : new Integer[] { 1, null })
2602		{
2603		final CompletableFuture<Integer> f = new CompletableFuture<>();
2604		final CompletableFuture<Integer> g = new CompletableFuture<>();
2605	<	final IncAction r = new IncAction();
2606	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2605	>	final NoopConsumer[] rs = new NoopConsumer[6];
2606	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2607
2608	<	assertTrue(f.cancel(mayInterruptIfRunning));
2609	<	checkCompletedWithWrappedCancellationException(h);
2610	<	g.complete(v1);
2608	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2609	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2610	>	checkIncomplete(h0);
2611	>	checkIncomplete(h1);
2612	>	rs[0].assertNotInvoked();
2613	>	rs[1].assertNotInvoked();
2614	>	f.cancel(mayInterruptIfRunning);
2615	>	checkCompletedWithWrappedCancellationException(h0);
2616	>	checkCompletedWithWrappedCancellationException(h1);
2617	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2618	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2619	>	checkCompletedWithWrappedCancellationException(h2);
2620	>	checkCompletedWithWrappedCancellationException(h3);
2621
2622	<	checkCancelled(f);
2067	<	assertEquals(0, r.invocationCount);
2068	<	checkCompletedNormally(g, v1);
2069	<	checkCompletedWithWrappedCancellationException(h);
2070	<	}}
2071	<
2072	<	public void testAcceptEither_sourceCancelled2() {
2073	<	for (ExecutionMode m : ExecutionMode.values())
2074	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2075	<	for (Integer v1 : new Integer[] { 1, null })
2076	<	{
2077	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2078	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2079	<	final IncAction r = new IncAction();
2080	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2081	<
2082	<	assertTrue(g.cancel(mayInterruptIfRunning));
2083	<	checkCompletedWithWrappedCancellationException(h);
2084	<	f.complete(v1);
2085	<
2086	<	checkCancelled(g);
2087	<	assertEquals(0, r.invocationCount);
2088	<	checkCompletedNormally(f, v1);
2089	<	checkCompletedWithWrappedCancellationException(h);
2090	<	}}
2091	<
2092	<	public void testAcceptEither_sourceCancelled3() {
2093	<	for (ExecutionMode m : ExecutionMode.values())
2094	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2095	<	for (Integer v1 : new Integer[] { 1, null })
2096	<	{
2097	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2098	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2099	<	final IncAction r = new IncAction();
2100	<
2101	<	assertTrue(g.cancel(mayInterruptIfRunning));
2102	<	f.complete(v1);
2103	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2622	>	g.complete(v1);
2623
2624	<	// unspecified behavior
2625	<	Integer v;
2624	>	// unspecified behavior - both source completions available
2625	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2626	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2627		try {
2628	<	assertNull(h.join());
2629	<	assertEquals(1, r.invocationCount);
2110	<	assertEquals(inc(v1), r.value);
2628	>	assertNull(h4.join());
2629	>	rs[4].assertValue(v1);
2630		} catch (CompletionException ok) {
2631	<	checkCompletedWithWrappedCancellationException(h);
2632	<	assertEquals(0, r.invocationCount);
2631	>	checkCompletedWithWrappedCancellationException(h4);
2632	>	rs[4].assertNotInvoked();
2633		}
2115	–
2116	–	checkCancelled(g);
2117	–	checkCompletedNormally(f, v1);
2118	–	}}
2119	–
2120	–	public void testAcceptEither_sourceCancelled4() {
2121	–	for (ExecutionMode m : ExecutionMode.values())
2122	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2123	–	for (Integer v1 : new Integer[] { 1, null })
2124	–	{
2125	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2126	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2127	–	final IncAction r = new IncAction();
2128	–
2129	–	assertTrue(f.cancel(mayInterruptIfRunning));
2130	–	g.complete(v1);
2131	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2132	–
2133	–	// unspecified behavior
2134	–	Integer v;
2634		try {
2635	<	assertNull(h.join());
2636	<	assertEquals(1, r.invocationCount);
2138	<	assertEquals(inc(v1), r.value);
2635	>	assertNull(h5.join());
2636	>	rs[5].assertValue(v1);
2637		} catch (CompletionException ok) {
2638	<	checkCompletedWithWrappedCancellationException(h);
2639	<	assertEquals(0, r.invocationCount);
2638	>	checkCompletedWithWrappedCancellationException(h5);
2639	>	rs[5].assertNotInvoked();
2640		}
2641
2642		checkCancelled(f);
2643		checkCompletedNormally(g, v1);
2644	+	checkCompletedWithWrappedCancellationException(h0);
2645	+	checkCompletedWithWrappedCancellationException(h1);
2646	+	checkCompletedWithWrappedCancellationException(h2);
2647	+	checkCompletedWithWrappedCancellationException(h3);
2648	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2649		}}
2650
2651		/**
2652	<	* runAfterEither result completes normally after normal completion
2150	<	* of either source
2652	>	* acceptEither result completes exceptionally if action does
2653		*/
2654	<	public void testRunAfterEither_normalCompletion1() {
2654	>	public void testAcceptEither_actionFailed() {
2655		for (ExecutionMode m : ExecutionMode.values())
2656		for (Integer v1 : new Integer[] { 1, null })
2657		for (Integer v2 : new Integer[] { 2, null })
2658		{
2659		final CompletableFuture<Integer> f = new CompletableFuture<>();
2660		final CompletableFuture<Integer> g = new CompletableFuture<>();
2661	<	final Noop r = new Noop(m);
2662	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2661	>	final FailingConsumer[] rs = new FailingConsumer[6];
2662	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2663
2664	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2665	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2666		f.complete(v1);
2667	<	checkCompletedNormally(h, null);
2668	<	assertEquals(1, r.invocationCount);
2667	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2668	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2669	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2670	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2671	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2672	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2673	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2674	>
2675		g.complete(v2);
2676
2677	+	// unspecified behavior - both source completions available
2678	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2679	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2680	+
2681	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2682	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2683	+	Objects.equals(v2, rs[4].value));
2684	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2685	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2686	+	Objects.equals(v2, rs[5].value));
2687	+
2688		checkCompletedNormally(f, v1);
2689		checkCompletedNormally(g, v2);
2169	–	checkCompletedNormally(h, null);
2170	–	assertEquals(1, r.invocationCount);
2690		}}
2691
2692	<	public void testRunAfterEither_normalCompletion2() {
2692	>	/**
2693	>	* runAfterEither result completes normally after normal completion
2694	>	* of either source
2695	>	*/
2696	>	public void testRunAfterEither_normalCompletion() {
2697		for (ExecutionMode m : ExecutionMode.values())
2698		for (Integer v1 : new Integer[] { 1, null })
2699		for (Integer v2 : new Integer[] { 2, null })
2700	+	for (boolean pushNop : new boolean[] { true, false })
2701		{
2702		final CompletableFuture<Integer> f = new CompletableFuture<>();
2703		final CompletableFuture<Integer> g = new CompletableFuture<>();
2704	<	final Noop r = new Noop(m);
2705	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2704	>	final Noop[] rs = new Noop[6];
2705	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2706
2707	<	g.complete(v2);
2708	<	checkCompletedNormally(h, null);
2709	<	assertEquals(1, r.invocationCount);
2707	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2708	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2709	>	checkIncomplete(h0);
2710	>	checkIncomplete(h1);
2711	>	rs[0].assertNotInvoked();
2712	>	rs[1].assertNotInvoked();
2713	>	if (pushNop) {          // ad hoc test of intra-completion interference
2714	>	m.thenRun(f, () -> {});
2715	>	m.thenRun(g, () -> {});
2716	>	}
2717		f.complete(v1);
2718	+	checkCompletedNormally(h0, null);
2719	+	checkCompletedNormally(h1, null);
2720	+	rs[0].assertInvoked();
2721	+	rs[1].assertInvoked();
2722	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2723	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2724	+	checkCompletedNormally(h2, null);
2725	+	checkCompletedNormally(h3, null);
2726	+	rs[2].assertInvoked();
2727	+	rs[3].assertInvoked();
2728
2188	–	checkCompletedNormally(f, v1);
2189	–	checkCompletedNormally(g, v2);
2190	–	checkCompletedNormally(h, null);
2191	–	assertEquals(1, r.invocationCount);
2192	–	}}
2193	–
2194	–	public void testRunAfterEither_normalCompletion3() {
2195	–	for (ExecutionMode m : ExecutionMode.values())
2196	–	for (Integer v1 : new Integer[] { 1, null })
2197	–	for (Integer v2 : new Integer[] { 2, null })
2198	–	{
2199	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2200	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2201	–	final Noop r = new Noop(m);
2202	–
2203	–	f.complete(v1);
2729		g.complete(v2);
2205	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2730
2731	<	checkCompletedNormally(h, null);
2731	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2732	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2733	>
2734		checkCompletedNormally(f, v1);
2735		checkCompletedNormally(g, v2);
2736	<	assertEquals(1, r.invocationCount);
2736	>	checkCompletedNormally(h0, null);
2737	>	checkCompletedNormally(h1, null);
2738	>	checkCompletedNormally(h2, null);
2739	>	checkCompletedNormally(h3, null);
2740	>	checkCompletedNormally(h4, null);
2741	>	checkCompletedNormally(h5, null);
2742	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2743		}}
2744
2745		/**
2746		* runAfterEither result completes exceptionally after exceptional
2747		* completion of either source
2748		*/
2749	<	public void testRunAfterEither_exceptionalCompletion1() {
2749	>	public void testRunAfterEither_exceptionalCompletion() {
2750		for (ExecutionMode m : ExecutionMode.values())
2751		for (Integer v1 : new Integer[] { 1, null })
2752		{
2753		final CompletableFuture<Integer> f = new CompletableFuture<>();
2754		final CompletableFuture<Integer> g = new CompletableFuture<>();
2223	–	final Noop r = new Noop(m);
2224	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2755		final CFException ex = new CFException();
2756	+	final Noop[] rs = new Noop[6];
2757	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2758
2759	<	f.completeExceptionally(ex);
2760	<	checkCompletedWithWrappedCFException(h, ex);
2761	<	g.complete(v1);
2759	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2760	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2761	>	checkIncomplete(h0);
2762	>	checkIncomplete(h1);
2763	>	rs[0].assertNotInvoked();
2764	>	rs[1].assertNotInvoked();
2765	>	assertTrue(f.completeExceptionally(ex));
2766	>	checkCompletedWithWrappedException(h0, ex);
2767	>	checkCompletedWithWrappedException(h1, ex);
2768	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2769	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2770	>	checkCompletedWithWrappedException(h2, ex);
2771	>	checkCompletedWithWrappedException(h3, ex);
2772	>
2773	>	assertTrue(g.complete(v1));
2774	>
2775	>	// unspecified behavior - both source completions available
2776	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2777	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2778	>	try {
2779	>	assertNull(h4.join());
2780	>	rs[4].assertInvoked();
2781	>	} catch (CompletionException ok) {
2782	>	checkCompletedWithWrappedException(h4, ex);
2783	>	rs[4].assertNotInvoked();
2784	>	}
2785	>	try {
2786	>	assertNull(h5.join());
2787	>	rs[5].assertInvoked();
2788	>	} catch (CompletionException ok) {
2789	>	checkCompletedWithWrappedException(h5, ex);
2790	>	rs[5].assertNotInvoked();
2791	>	}
2792
2793	<	assertEquals(0, r.invocationCount);
2793	>	checkCompletedExceptionally(f, ex);
2794		checkCompletedNormally(g, v1);
2795	<	checkCompletedWithWrappedCFException(f, ex);
2796	<	checkCompletedWithWrappedCFException(h, ex);
2795	>	checkCompletedWithWrappedException(h0, ex);
2796	>	checkCompletedWithWrappedException(h1, ex);
2797	>	checkCompletedWithWrappedException(h2, ex);
2798	>	checkCompletedWithWrappedException(h3, ex);
2799	>	checkCompletedWithWrappedException(h4, ex);
2800	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2801		}}
2802
2803		public void testRunAfterEither_exceptionalCompletion2() {
2804		for (ExecutionMode m : ExecutionMode.values())
2805	+	for (boolean fFirst : new boolean[] { true, false })
2806		for (Integer v1 : new Integer[] { 1, null })
2807		{
2808		final CompletableFuture<Integer> f = new CompletableFuture<>();
2809		final CompletableFuture<Integer> g = new CompletableFuture<>();
2243	–	final Noop r = new Noop(m);
2244	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2245	–	final CFException ex = new CFException();
2246	–
2247	–	g.completeExceptionally(ex);
2248	–	checkCompletedWithWrappedCFException(h, ex);
2249	–	f.complete(v1);
2250	–
2251	–	assertEquals(0, r.invocationCount);
2252	–	checkCompletedNormally(f, v1);
2253	–	checkCompletedWithWrappedCFException(g, ex);
2254	–	checkCompletedWithWrappedCFException(h, ex);
2255	–	}}
2256	–
2257	–	public void testRunAfterEither_exceptionalCompletion3() {
2258	–	for (ExecutionMode m : ExecutionMode.values())
2259	–	for (Integer v1 : new Integer[] { 1, null })
2260	–	{
2261	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2262	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2263	–	final Noop r = new Noop(m);
2810		final CFException ex = new CFException();
2811	+	final Noop[] rs = new Noop[6];
2812	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2813
2814	<	g.completeExceptionally(ex);
2815	<	f.complete(v1);
2816	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2814	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2815	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2816	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2817	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2818	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2819	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2820
2821	<	// unspecified behavior
2271	<	Integer v;
2821	>	// unspecified behavior - both source completions available
2822		try {
2823	<	assertNull(h.join());
2824	<	assertEquals(1, r.invocationCount);
2823	>	assertNull(h0.join());
2824	>	rs[0].assertInvoked();
2825		} catch (CompletionException ok) {
2826	<	checkCompletedWithWrappedCFException(h, ex);
2827	<	assertEquals(0, r.invocationCount);
2826	>	checkCompletedWithWrappedException(h0, ex);
2827	>	rs[0].assertNotInvoked();
2828		}
2279	–
2280	–	checkCompletedWithWrappedCFException(g, ex);
2281	–	checkCompletedNormally(f, v1);
2282	–	}}
2283	–
2284	–	public void testRunAfterEither_exceptionalCompletion4() {
2285	–	for (ExecutionMode m : ExecutionMode.values())
2286	–	for (Integer v1 : new Integer[] { 1, null })
2287	–	{
2288	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2289	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2290	–	final Noop r = new Noop(m);
2291	–	final CFException ex = new CFException();
2292	–
2293	–	f.completeExceptionally(ex);
2294	–	g.complete(v1);
2295	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2296	–
2297	–	// unspecified behavior
2298	–	Integer v;
2829		try {
2830	<	assertNull(h.join());
2831	<	assertEquals(1, r.invocationCount);
2830	>	assertNull(h1.join());
2831	>	rs[1].assertInvoked();
2832		} catch (CompletionException ok) {
2833	<	checkCompletedWithWrappedCFException(h, ex);
2834	<	assertEquals(0, r.invocationCount);
2833	>	checkCompletedWithWrappedException(h1, ex);
2834	>	rs[1].assertNotInvoked();
2835	>	}
2836	>	try {
2837	>	assertNull(h2.join());
2838	>	rs[2].assertInvoked();
2839	>	} catch (CompletionException ok) {
2840	>	checkCompletedWithWrappedException(h2, ex);
2841	>	rs[2].assertNotInvoked();
2842	>	}
2843	>	try {
2844	>	assertNull(h3.join());
2845	>	rs[3].assertInvoked();
2846	>	} catch (CompletionException ok) {
2847	>	checkCompletedWithWrappedException(h3, ex);
2848	>	rs[3].assertNotInvoked();
2849		}
2850
2307	–	checkCompletedWithWrappedCFException(f, ex);
2308	–	checkCompletedNormally(g, v1);
2309	–	}}
2310	–
2311	–	/**
2312	–	* runAfterEither result completes exceptionally if action does
2313	–	*/
2314	–	public void testRunAfterEither_actionFailed1() {
2315	–	for (ExecutionMode m : ExecutionMode.values())
2316	–	for (Integer v1 : new Integer[] { 1, null })
2317	–	for (Integer v2 : new Integer[] { 2, null })
2318	–	{
2319	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2320	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2321	–	final FailingRunnable r = new FailingRunnable();
2322	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2323	–
2324	–	f.complete(v1);
2325	–	checkCompletedWithWrappedCFException(h);
2326	–	g.complete(v2);
2327	–	checkCompletedNormally(f, v1);
2328	–	checkCompletedNormally(g, v2);
2329	–	}}
2330	–
2331	–	public void testRunAfterEither_actionFailed2() {
2332	–	for (ExecutionMode m : ExecutionMode.values())
2333	–	for (Integer v1 : new Integer[] { 1, null })
2334	–	for (Integer v2 : new Integer[] { 2, null })
2335	–	{
2336	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2337	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2338	–	final FailingRunnable r = new FailingRunnable();
2339	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2340	–
2341	–	g.complete(v2);
2342	–	checkCompletedWithWrappedCFException(h);
2343	–	f.complete(v1);
2851		checkCompletedNormally(f, v1);
2852	<	checkCompletedNormally(g, v2);
2852	>	checkCompletedExceptionally(g, ex);
2853		}}
2854
2855		/**
2856		* runAfterEither result completes exceptionally if either source cancelled
2857		*/
2858	<	public void testRunAfterEither_sourceCancelled1() {
2352	<	for (ExecutionMode m : ExecutionMode.values())
2353	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2354	<	for (Integer v1 : new Integer[] { 1, null })
2355	<	{
2356	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2357	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2358	<	final Noop r = new Noop(m);
2359	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2360	<
2361	<	assertTrue(f.cancel(mayInterruptIfRunning));
2362	<	checkCompletedWithWrappedCancellationException(h);
2363	<	g.complete(v1);
2364	<
2365	<	checkCancelled(f);
2366	<	assertEquals(0, r.invocationCount);
2367	<	checkCompletedNormally(g, v1);
2368	<	checkCompletedWithWrappedCancellationException(h);
2369	<	}}
2370	<
2371	<	public void testRunAfterEither_sourceCancelled2() {
2372	<	for (ExecutionMode m : ExecutionMode.values())
2373	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2374	<	for (Integer v1 : new Integer[] { 1, null })
2375	<	{
2376	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2377	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2378	<	final Noop r = new Noop(m);
2379	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2380	<
2381	<	assertTrue(g.cancel(mayInterruptIfRunning));
2382	<	checkCompletedWithWrappedCancellationException(h);
2383	<	f.complete(v1);
2384	<
2385	<	checkCancelled(g);
2386	<	assertEquals(0, r.invocationCount);
2387	<	checkCompletedNormally(f, v1);
2388	<	checkCompletedWithWrappedCancellationException(h);
2389	<	}}
2390	<
2391	<	public void testRunAfterEither_sourceCancelled3() {
2858	>	public void testRunAfterEither_sourceCancelled() {
2859		for (ExecutionMode m : ExecutionMode.values())
2860		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2861		for (Integer v1 : new Integer[] { 1, null })
2862		{
2863		final CompletableFuture<Integer> f = new CompletableFuture<>();
2864		final CompletableFuture<Integer> g = new CompletableFuture<>();
2865	<	final Noop r = new Noop(m);
2866	<
2400	<	assertTrue(g.cancel(mayInterruptIfRunning));
2401	<	f.complete(v1);
2402	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2865	>	final Noop[] rs = new Noop[6];
2866	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2867
2868	<	// unspecified behavior
2869	<	Integer v;
2868	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2869	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2870	>	checkIncomplete(h0);
2871	>	checkIncomplete(h1);
2872	>	rs[0].assertNotInvoked();
2873	>	rs[1].assertNotInvoked();
2874	>	f.cancel(mayInterruptIfRunning);
2875	>	checkCompletedWithWrappedCancellationException(h0);
2876	>	checkCompletedWithWrappedCancellationException(h1);
2877	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2878	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2879	>	checkCompletedWithWrappedCancellationException(h2);
2880	>	checkCompletedWithWrappedCancellationException(h3);
2881	>
2882	>	assertTrue(g.complete(v1));
2883	>
2884	>	// unspecified behavior - both source completions available
2885	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2886	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2887		try {
2888	<	assertNull(h.join());
2889	<	assertEquals(1, r.invocationCount);
2888	>	assertNull(h4.join());
2889	>	rs[4].assertInvoked();
2890		} catch (CompletionException ok) {
2891	<	checkCompletedWithWrappedCancellationException(h);
2892	<	assertEquals(0, r.invocationCount);
2891	>	checkCompletedWithWrappedCancellationException(h4);
2892	>	rs[4].assertNotInvoked();
2893	>	}
2894	>	try {
2895	>	assertNull(h5.join());
2896	>	rs[5].assertInvoked();
2897	>	} catch (CompletionException ok) {
2898	>	checkCompletedWithWrappedCancellationException(h5);
2899	>	rs[5].assertNotInvoked();
2900		}
2901
2902	<	checkCancelled(g);
2903	<	checkCompletedNormally(f, v1);
2902	>	checkCancelled(f);
2903	>	checkCompletedNormally(g, v1);
2904	>	checkCompletedWithWrappedCancellationException(h0);
2905	>	checkCompletedWithWrappedCancellationException(h1);
2906	>	checkCompletedWithWrappedCancellationException(h2);
2907	>	checkCompletedWithWrappedCancellationException(h3);
2908	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2909		}}
2910
2911	<	public void testRunAfterEither_sourceCancelled4() {
2911	>	/**
2912	>	* runAfterEither result completes exceptionally if action does
2913	>	*/
2914	>	public void testRunAfterEither_actionFailed() {
2915		for (ExecutionMode m : ExecutionMode.values())
2420	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2916		for (Integer v1 : new Integer[] { 1, null })
2917	+	for (Integer v2 : new Integer[] { 2, null })
2918		{
2919		final CompletableFuture<Integer> f = new CompletableFuture<>();
2920		final CompletableFuture<Integer> g = new CompletableFuture<>();
2921	<	final Noop r = new Noop(m);
2921	>	final FailingRunnable[] rs = new FailingRunnable[6];
2922	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2923
2924	<	assertTrue(f.cancel(mayInterruptIfRunning));
2925	<	g.complete(v1);
2926	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2927	<
2928	<	// unspecified behavior
2929	<	Integer v;
2930	<	try {
2931	<	assertNull(h.join());
2932	<	assertEquals(1, r.invocationCount);
2933	<	} catch (CompletionException ok) {
2934	<	checkCompletedWithWrappedCancellationException(h);
2935	<	assertEquals(0, r.invocationCount);
2936	<	}
2924	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2925	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2926	>	assertTrue(f.complete(v1));
2927	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2928	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2929	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2930	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2931	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2932	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2933	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2934	>	assertTrue(g.complete(v2));
2935	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2936	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2937	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2938	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2939
2940	<	checkCancelled(f);
2941	<	checkCompletedNormally(g, v1);
2940	>	checkCompletedNormally(f, v1);
2941	>	checkCompletedNormally(g, v2);
2942	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2943		}}
2944
2945		/**
#	Line 2451 | Line 2951 | public class CompletableFutureTest exten
2951		for (Integer v1 : new Integer[] { 1, null })
2952		{
2953		final CompletableFuture<Integer> f = new CompletableFuture<>();
2954	<	final CompletableFutureInc r = new CompletableFutureInc();
2955	<	if (!createIncomplete) f.complete(v1);
2956	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2957	<	if (createIncomplete) f.complete(v1);
2954	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2955	>	if (!createIncomplete) assertTrue(f.complete(v1));
2956	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2957	>	if (createIncomplete) assertTrue(f.complete(v1));
2958
2959		checkCompletedNormally(g, inc(v1));
2960		checkCompletedNormally(f, v1);
2961	<	assertEquals(1, r.invocationCount);
2961	>	r.assertValue(v1);
2962		}}
2963
2964		/**
#	Line 2470 | Line 2970 | public class CompletableFutureTest exten
2970		for (boolean createIncomplete : new boolean[] { true, false })
2971		{
2972		final CFException ex = new CFException();
2973	<	final CompletableFutureInc r = new CompletableFutureInc();
2973	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2974		final CompletableFuture<Integer> f = new CompletableFuture<>();
2975		if (!createIncomplete) f.completeExceptionally(ex);
2976	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2976	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2977		if (createIncomplete) f.completeExceptionally(ex);
2978
2979	<	checkCompletedWithWrappedCFException(g, ex);
2980	<	checkCompletedWithWrappedCFException(f, ex);
2981	<	assertEquals(0, r.invocationCount);
2979	>	checkCompletedWithWrappedException(g, ex);
2980	>	checkCompletedExceptionally(f, ex);
2981	>	r.assertNotInvoked();
2982		}}
2983
2984		/**
#	Line 2491 | Line 2991 | public class CompletableFutureTest exten
2991		{
2992		final CompletableFuture<Integer> f = new CompletableFuture<>();
2993		final FailingCompletableFutureFunction r
2994	<	= new FailingCompletableFutureFunction();
2995	<	if (!createIncomplete) f.complete(v1);
2996	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2997	<	if (createIncomplete) f.complete(v1);
2994	>	= new FailingCompletableFutureFunction(m);
2995	>	if (!createIncomplete) assertTrue(f.complete(v1));
2996	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2997	>	if (createIncomplete) assertTrue(f.complete(v1));
2998
2999	<	checkCompletedWithWrappedCFException(g);
2999	>	checkCompletedWithWrappedException(g, r.ex);
3000		checkCompletedNormally(f, v1);
3001		}}
3002
#	Line 2509 | Line 3009 | public class CompletableFutureTest exten
3009		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3010		{
3011		final CompletableFuture<Integer> f = new CompletableFuture<>();
3012	<	final CompletableFutureInc r = new CompletableFutureInc();
3012	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3013		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3014	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3014	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3015		if (createIncomplete) {
3016		checkIncomplete(g);
3017		assertTrue(f.cancel(mayInterruptIfRunning));
#	Line 2521 | Line 3021 | public class CompletableFutureTest exten
3021		checkCancelled(f);
3022		}}
3023
3024	+	/**
3025	+	* thenCompose result completes exceptionally if the result of the action does
3026	+	*/
3027	+	public void testThenCompose_actionReturnsFailingFuture() {
3028	+	for (ExecutionMode m : ExecutionMode.values())
3029	+	for (int order = 0; order < 6; order++)
3030	+	for (Integer v1 : new Integer[] { 1, null })
3031	+	{
3032	+	final CFException ex = new CFException();
3033	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3034	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
3035	+	final CompletableFuture<Integer> h;
3036	+	// Test all permutations of orders
3037	+	switch (order) {
3038	+	case 0:
3039	+	assertTrue(f.complete(v1));
3040	+	assertTrue(g.completeExceptionally(ex));
3041	+	h = m.thenCompose(f, (x -> g));
3042	+	break;
3043	+	case 1:
3044	+	assertTrue(f.complete(v1));
3045	+	h = m.thenCompose(f, (x -> g));
3046	+	assertTrue(g.completeExceptionally(ex));
3047	+	break;
3048	+	case 2:
3049	+	assertTrue(g.completeExceptionally(ex));
3050	+	assertTrue(f.complete(v1));
3051	+	h = m.thenCompose(f, (x -> g));
3052	+	break;
3053	+	case 3:
3054	+	assertTrue(g.completeExceptionally(ex));
3055	+	h = m.thenCompose(f, (x -> g));
3056	+	assertTrue(f.complete(v1));
3057	+	break;
3058	+	case 4:
3059	+	h = m.thenCompose(f, (x -> g));
3060	+	assertTrue(f.complete(v1));
3061	+	assertTrue(g.completeExceptionally(ex));
3062	+	break;
3063	+	case 5:
3064	+	h = m.thenCompose(f, (x -> g));
3065	+	assertTrue(f.complete(v1));
3066	+	assertTrue(g.completeExceptionally(ex));
3067	+	break;
3068	+	default: throw new AssertionError();
3069	+	}
3070	+
3071	+	checkCompletedExceptionally(g, ex);
3072	+	checkCompletedWithWrappedException(h, ex);
3073	+	checkCompletedNormally(f, v1);
3074	+	}}
3075	+
3076		// other static methods
3077
3078		/**
#	Line 2537 | Line 3089 | public class CompletableFutureTest exten
3089		* when all components complete normally
3090		*/
3091		public void testAllOf_normal() throws Exception {
3092	<	for (int k = 1; k < 20; ++k) {
3093	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3094	<	for (int i = 0; i < k; ++i)
3092	>	for (int k = 1; k < 10; k++) {
3093	>	CompletableFuture<Integer>[] fs
3094	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3095	>	for (int i = 0; i < k; i++)
3096	>	fs[i] = new CompletableFuture<>();
3097	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3098	>	for (int i = 0; i < k; i++) {
3099	>	checkIncomplete(f);
3100	>	checkIncomplete(CompletableFuture.allOf(fs));
3101	>	fs[i].complete(one);
3102	>	}
3103	>	checkCompletedNormally(f, null);
3104	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3105	>	}
3106	>	}
3107	>
3108	>	public void testAllOf_normal_backwards() throws Exception {
3109	>	for (int k = 1; k < 10; k++) {
3110	>	CompletableFuture<Integer>[] fs
3111	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3112	>	for (int i = 0; i < k; i++)
3113		fs[i] = new CompletableFuture<>();
3114		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3115	<	for (int i = 0; i < k; ++i) {
3115	>	for (int i = k - 1; i >= 0; i--) {
3116		checkIncomplete(f);
3117		checkIncomplete(CompletableFuture.allOf(fs));
3118		fs[i].complete(one);
#	Line 2552 | Line 3122 | public class CompletableFutureTest exten
3122		}
3123		}
3124
3125	+	public void testAllOf_exceptional() throws Exception {
3126	+	for (int k = 1; k < 10; k++) {
3127	+	CompletableFuture<Integer>[] fs
3128	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3129	+	CFException ex = new CFException();
3130	+	for (int i = 0; i < k; i++)
3131	+	fs[i] = new CompletableFuture<>();
3132	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3133	+	for (int i = 0; i < k; i++) {
3134	+	checkIncomplete(f);
3135	+	checkIncomplete(CompletableFuture.allOf(fs));
3136	+	if (i != k / 2) {
3137	+	fs[i].complete(i);
3138	+	checkCompletedNormally(fs[i], i);
3139	+	} else {
3140	+	fs[i].completeExceptionally(ex);
3141	+	checkCompletedExceptionally(fs[i], ex);
3142	+	}
3143	+	}
3144	+	checkCompletedWithWrappedException(f, ex);
3145	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3146	+	}
3147	+	}
3148	+
3149		/**
3150		* anyOf(no component futures) returns an incomplete future
3151		*/
3152		public void testAnyOf_empty() throws Exception {
3153	+	for (Integer v1 : new Integer[] { 1, null })
3154	+	{
3155		CompletableFuture<Object> f = CompletableFuture.anyOf();
3156		checkIncomplete(f);
3157	<	}
3157	>
3158	>	f.complete(v1);
3159	>	checkCompletedNormally(f, v1);
3160	>	}}
3161
3162		/**
3163		* anyOf returns a future completed normally with a value when
3164		* a component future does
3165		*/
3166		public void testAnyOf_normal() throws Exception {
3167	<	for (int k = 0; k < 10; ++k) {
3167	>	for (int k = 0; k < 10; k++) {
3168		CompletableFuture[] fs = new CompletableFuture[k];
3169	<	for (int i = 0; i < k; ++i)
3169	>	for (int i = 0; i < k; i++)
3170		fs[i] = new CompletableFuture<>();
3171		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3172		checkIncomplete(f);
3173	<	for (int i = 0; i < k; ++i) {
3174	<	fs[i].complete(one);
3175	<	checkCompletedNormally(f, one);
3176	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3173	>	for (int i = 0; i < k; i++) {
3174	>	fs[i].complete(i);
3175	>	checkCompletedNormally(f, 0);
3176	>	int x = (int) CompletableFuture.anyOf(fs).join();
3177	>	assertTrue(0 <= x && x <= i);
3178	>	}
3179	>	}
3180	>	}
3181	>	public void testAnyOf_normal_backwards() throws Exception {
3182	>	for (int k = 0; k < 10; k++) {
3183	>	CompletableFuture[] fs = new CompletableFuture[k];
3184	>	for (int i = 0; i < k; i++)
3185	>	fs[i] = new CompletableFuture<>();
3186	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3187	>	checkIncomplete(f);
3188	>	for (int i = k - 1; i >= 0; i--) {
3189	>	fs[i].complete(i);
3190	>	checkCompletedNormally(f, k - 1);
3191	>	int x = (int) CompletableFuture.anyOf(fs).join();
3192	>	assertTrue(i <= x && x <= k - 1);
3193		}
3194		}
3195		}
#	Line 2583 | Line 3198 | public class CompletableFutureTest exten
3198		* anyOf result completes exceptionally when any component does.
3199		*/
3200		public void testAnyOf_exceptional() throws Exception {
3201	<	for (int k = 0; k < 10; ++k) {
3201	>	for (int k = 0; k < 10; k++) {
3202		CompletableFuture[] fs = new CompletableFuture[k];
3203	<	for (int i = 0; i < k; ++i)
3203	>	CFException[] exs = new CFException[k];
3204	>	for (int i = 0; i < k; i++) {
3205		fs[i] = new CompletableFuture<>();
3206	+	exs[i] = new CFException();
3207	+	}
3208		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3209		checkIncomplete(f);
3210	<	for (int i = 0; i < k; ++i) {
3211	<	fs[i].completeExceptionally(new CFException());
3212	<	checkCompletedWithWrappedCFException(f);
3210	>	for (int i = 0; i < k; i++) {
3211	>	fs[i].completeExceptionally(exs[i]);
3212	>	checkCompletedWithWrappedException(f, exs[0]);
3213	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3214	>	}
3215	>	}
3216	>	}
3217	>
3218	>	public void testAnyOf_exceptional_backwards() throws Exception {
3219	>	for (int k = 0; k < 10; k++) {
3220	>	CompletableFuture[] fs = new CompletableFuture[k];
3221	>	CFException[] exs = new CFException[k];
3222	>	for (int i = 0; i < k; i++) {
3223	>	fs[i] = new CompletableFuture<>();
3224	>	exs[i] = new CFException();
3225	>	}
3226	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3227	>	checkIncomplete(f);
3228	>	for (int i = k - 1; i >= 0; i--) {
3229	>	fs[i].completeExceptionally(exs[i]);
3230	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3231		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3232		}
3233		}
#	Line 2600 | Line 3236 | public class CompletableFutureTest exten
3236		/**
3237		* Completion methods throw NullPointerException with null arguments
3238		*/
3239	+	@SuppressWarnings("FutureReturnValueIgnored")
3240		public void testNPE() {
3241		CompletableFuture<Integer> f = new CompletableFuture<>();
3242		CompletableFuture<Integer> g = new CompletableFuture<>();
3243		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2607	–	CompletableFuture<?> h;
3244		ThreadExecutor exec = new ThreadExecutor();
3245
3246		Runnable[] throwingActions = {
3247		() -> CompletableFuture.supplyAsync(null),
3248		() -> CompletableFuture.supplyAsync(null, exec),
3249	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3249	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3250
3251		() -> CompletableFuture.runAsync(null),
3252		() -> CompletableFuture.runAsync(null, exec),
#	Line 2620 | Line 3256 | public class CompletableFutureTest exten
3256
3257		() -> f.thenApply(null),
3258		() -> f.thenApplyAsync(null),
3259	<	() -> f.thenApplyAsync((x) -> x, null),
3259	>	() -> f.thenApplyAsync(x -> x, null),
3260		() -> f.thenApplyAsync(null, exec),
3261
3262		() -> f.thenAccept(null),
3263		() -> f.thenAcceptAsync(null),
3264	<	() -> f.thenAcceptAsync((x) -> {} , null),
3264	>	() -> f.thenAcceptAsync(x -> {} , null),
3265		() -> f.thenAcceptAsync(null, exec),
3266
3267		() -> f.thenRun(null),
#	Line 2660 | Line 3296 | public class CompletableFutureTest exten
3296		() -> f.applyToEither(g, null),
3297		() -> f.applyToEitherAsync(g, null),
3298		() -> f.applyToEitherAsync(g, null, exec),
3299	<	() -> f.applyToEither(nullFuture, (x) -> x),
3300	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3301	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3302	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3299	>	() -> f.applyToEither(nullFuture, x -> x),
3300	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3301	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3302	>	() -> f.applyToEitherAsync(g, x -> x, null),
3303
3304		() -> f.acceptEither(g, null),
3305		() -> f.acceptEitherAsync(g, null),
3306		() -> f.acceptEitherAsync(g, null, exec),
3307	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3308	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3309	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3310	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3307	>	() -> f.acceptEither(nullFuture, x -> {}),
3308	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3309	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3310	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3311
3312		() -> f.runAfterEither(g, null),
3313		() -> f.runAfterEitherAsync(g, null),
#	Line 2683 | Line 3319 | public class CompletableFutureTest exten
3319
3320		() -> f.thenCompose(null),
3321		() -> f.thenComposeAsync(null),
3322	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3322	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3323		() -> f.thenComposeAsync(null, exec),
3324
3325		() -> f.exceptionally(null),
#	Line 2701 | Line 3337 | public class CompletableFutureTest exten
3337		() -> CompletableFuture.anyOf(null, f),
3338
3339		() -> f.obtrudeException(null),
3340	+
3341	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3342	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3343	+	() -> CompletableFuture.delayedExecutor(1L, null),
3344	+
3345	+	() -> f.orTimeout(1L, null),
3346	+	() -> f.completeOnTimeout(42, 1L, null),
3347	+
3348	+	() -> CompletableFuture.failedFuture(null),
3349	+	() -> CompletableFuture.failedStage(null),
3350		};
3351
3352		assertThrows(NullPointerException.class, throwingActions);
#	Line 2708 | Line 3354 | public class CompletableFutureTest exten
3354		}
3355
3356		/**
3357	+	* Test submissions to an executor that rejects all tasks.
3358	+	*/
3359	+	public void testRejectingExecutor() {
3360	+	for (Integer v : new Integer[] { 1, null })
3361	+	{
3362	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3363	+
3364	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3365	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3366	+
3367	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3368	+
3369	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3370	+	srcs.add(complete);
3371	+	srcs.add(incomplete);
3372	+
3373	+	for (CompletableFuture<Integer> src : srcs) {
3374	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3375	+	fs.add(src.thenRunAsync(() -> {}, e));
3376	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3377	+	fs.add(src.thenApplyAsync(z -> z, e));
3378	+
3379	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3380	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3381	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3382	+
3383	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3384	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3385	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3386	+
3387	+	fs.add(src.thenComposeAsync(z -> null, e));
3388	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3389	+	fs.add(src.handleAsync((z, t) -> null, e));
3390	+
3391	+	for (CompletableFuture<?> future : fs) {
3392	+	if (src.isDone())
3393	+	checkCompletedWithWrappedException(future, e.ex);
3394	+	else
3395	+	checkIncomplete(future);
3396	+	}
3397	+	futures.addAll(fs);
3398	+	}
3399	+
3400	+	{
3401	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3402	+
3403	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3404	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3405	+
3406	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3407	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3408	+
3409	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3410	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3411	+
3412	+	for (CompletableFuture<?> future : fs)
3413	+	checkIncomplete(future);
3414	+	futures.addAll(fs);
3415	+	}
3416	+
3417	+	{
3418	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3419	+
3420	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3421	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3422	+
3423	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3424	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3425	+
3426	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3427	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3428	+
3429	+	for (CompletableFuture<?> future : fs)
3430	+	checkCompletedWithWrappedException(future, e.ex);
3431	+	futures.addAll(fs);
3432	+	}
3433	+
3434	+	incomplete.complete(v);
3435	+
3436	+	for (CompletableFuture<?> future : futures)
3437	+	checkCompletedWithWrappedException(future, e.ex);
3438	+
3439	+	assertEquals(futures.size(), e.count.get());
3440	+	}}
3441	+
3442	+	/**
3443	+	* Test submissions to an executor that rejects all tasks, but
3444	+	* should never be invoked because the dependent future is
3445	+	* explicitly completed.
3446	+	*/
3447	+	public void testRejectingExecutorNeverInvoked() {
3448	+	for (Integer v : new Integer[] { 1, null })
3449	+	{
3450	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3451	+
3452	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3453	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3454	+
3455	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3456	+
3457	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3458	+	srcs.add(complete);
3459	+	srcs.add(incomplete);
3460	+
3461	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3462	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3463	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3464	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3465	+
3466	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3467	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3468	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3469	+
3470	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3471	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3472	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3473	+
3474	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3475	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3476	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3477	+
3478	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3479	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3480	+
3481	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3482	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3483	+
3484	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3485	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3486	+
3487	+	for (CompletableFuture<?> future : fs)
3488	+	checkIncomplete(future);
3489	+
3490	+	for (CompletableFuture<?> future : fs)
3491	+	future.complete(null);
3492	+
3493	+	incomplete.complete(v);
3494	+
3495	+	for (CompletableFuture<?> future : fs)
3496	+	checkCompletedNormally(future, null);
3497	+
3498	+	assertEquals(0, e.count.get());
3499	+	}}
3500	+
3501	+	/**
3502		* toCompletableFuture returns this CompletableFuture.
3503		*/
3504		public void testToCompletableFuture() {
#	Line 2715 | Line 3506 | public class CompletableFutureTest exten
3506		assertSame(f, f.toCompletableFuture());
3507		}
3508
3509	+	// jdk9
3510	+
3511		/**
3512	<	* whenComplete action executes on normal completion, propagating
2720	<	* source result.
3512	>	* newIncompleteFuture returns an incomplete CompletableFuture
3513		*/
3514	<	public void testWhenComplete_normalCompletion1() {
2723	<	for (ExecutionMode m : ExecutionMode.values())
2724	<	for (boolean createIncomplete : new boolean[] { true, false })
3514	>	public void testNewIncompleteFuture() {
3515		for (Integer v1 : new Integer[] { 1, null })
3516		{
3517	<	final AtomicInteger a = new AtomicInteger(0);
3518	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3519	<	if (!createIncomplete) f.complete(v1);
3520	<	final CompletableFuture<Integer> g = m.whenComplete
3521	<	(f,
2732	<	(Integer x, Throwable t) -> {
2733	<	threadAssertSame(x, v1);
2734	<	threadAssertNull(t);
2735	<	a.getAndIncrement();
2736	<	});
2737	<	if (createIncomplete) f.complete(v1);
2738	<
2739	<	checkCompletedNormally(g, v1);
3517	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3518	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3519	>	checkIncomplete(f);
3520	>	checkIncomplete(g);
3521	>	f.complete(v1);
3522		checkCompletedNormally(f, v1);
3523	<	assertEquals(1, a.get());
3523	>	checkIncomplete(g);
3524	>	g.complete(v1);
3525	>	checkCompletedNormally(g, v1);
3526	>	assertSame(g.getClass(), CompletableFuture.class);
3527		}}
3528
3529		/**
3530	<	* whenComplete action executes on exceptional completion, propagating
2746	<	* source result.
3530	>	* completedStage returns a completed CompletionStage
3531		*/
3532	<	public void testWhenComplete_exceptionalCompletion() {
3533	<	for (ExecutionMode m : ExecutionMode.values())
3532	>	public void testCompletedStage() {
3533	>	AtomicInteger x = new AtomicInteger(0);
3534	>	AtomicReference<Throwable> r = new AtomicReference<>();
3535	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3536	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3537	>	assertEquals(x.get(), 1);
3538	>	assertNull(r.get());
3539	>	}
3540	>
3541	>	/**
3542	>	* defaultExecutor by default returns the commonPool if
3543	>	* it supports more than one thread.
3544	>	*/
3545	>	public void testDefaultExecutor() {
3546	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3547	>	Executor e = f.defaultExecutor();
3548	>	Executor c = ForkJoinPool.commonPool();
3549	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3550	>	assertSame(e, c);
3551	>	else
3552	>	assertNotSame(e, c);
3553	>	}
3554	>
3555	>	/**
3556	>	* failedFuture returns a CompletableFuture completed
3557	>	* exceptionally with the given Exception
3558	>	*/
3559	>	public void testFailedFuture() {
3560	>	CFException ex = new CFException();
3561	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3562	>	checkCompletedExceptionally(f, ex);
3563	>	}
3564	>
3565	>	/**
3566	>	* failedFuture(null) throws NPE
3567	>	*/
3568	>	public void testFailedFuture_null() {
3569	>	try {
3570	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3571	>	shouldThrow();
3572	>	} catch (NullPointerException success) {}
3573	>	}
3574	>
3575	>	/**
3576	>	* copy returns a CompletableFuture that is completed normally,
3577	>	* with the same value, when source is.
3578	>	*/
3579	>	public void testCopy_normalCompletion() {
3580		for (boolean createIncomplete : new boolean[] { true, false })
3581		for (Integer v1 : new Integer[] { 1, null })
3582		{
3583	<	final AtomicInteger a = new AtomicInteger(0);
3584	<	final CFException ex = new CFException();
3585	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3583	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3584	>	if (!createIncomplete) assertTrue(f.complete(v1));
3585	>	CompletableFuture<Integer> g = f.copy();
3586	>	if (createIncomplete) {
3587	>	checkIncomplete(f);
3588	>	checkIncomplete(g);
3589	>	assertTrue(f.complete(v1));
3590	>	}
3591	>	checkCompletedNormally(f, v1);
3592	>	checkCompletedNormally(g, v1);
3593	>	}}
3594	>
3595	>	/**
3596	>	* copy returns a CompletableFuture that is completed exceptionally
3597	>	* when source is.
3598	>	*/
3599	>	public void testCopy_exceptionalCompletion() {
3600	>	for (boolean createIncomplete : new boolean[] { true, false })
3601	>	{
3602	>	CFException ex = new CFException();
3603	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3604		if (!createIncomplete) f.completeExceptionally(ex);
3605	<	final CompletableFuture<Integer> g = m.whenComplete
3606	<	(f,
3607	<	(Integer x, Throwable t) -> {
3608	<	threadAssertNull(x);
3609	<	threadAssertSame(t, ex);
3610	<	a.getAndIncrement();
3611	<	});
3612	<	if (createIncomplete) f.completeExceptionally(ex);
2765	<	checkCompletedWithWrappedCFException(f, ex);
2766	<	checkCompletedWithWrappedCFException(g, ex);
2767	<	assertEquals(1, a.get());
3605	>	CompletableFuture<Integer> g = f.copy();
3606	>	if (createIncomplete) {
3607	>	checkIncomplete(f);
3608	>	checkIncomplete(g);
3609	>	f.completeExceptionally(ex);
3610	>	}
3611	>	checkCompletedExceptionally(f, ex);
3612	>	checkCompletedWithWrappedException(g, ex);
3613		}}
3614
3615		/**
3616	<	* whenComplete action executes on cancelled source, propagating
2772	<	* CancellationException.
3616	>	* Completion of a copy does not complete its source.
3617		*/
3618	<	public void testWhenComplete_sourceCancelled() {
3618	>	public void testCopy_oneWayPropagation() {
3619	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3620	>	assertTrue(f.copy().complete(1));
3621	>	assertTrue(f.copy().complete(null));
3622	>	assertTrue(f.copy().cancel(true));
3623	>	assertTrue(f.copy().cancel(false));
3624	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3625	>	checkIncomplete(f);
3626	>	}
3627	>
3628	>	/**
3629	>	* minimalCompletionStage returns a CompletableFuture that is
3630	>	* completed normally, with the same value, when source is.
3631	>	*/
3632	>	public void testMinimalCompletionStage() {
3633	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3634	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3635	>	AtomicInteger x = new AtomicInteger(0);
3636	>	AtomicReference<Throwable> r = new AtomicReference<>();
3637	>	checkIncomplete(f);
3638	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3639	>	f.complete(1);
3640	>	checkCompletedNormally(f, 1);
3641	>	assertEquals(x.get(), 1);
3642	>	assertNull(r.get());
3643	>	}
3644	>
3645	>	/**
3646	>	* minimalCompletionStage returns a CompletableFuture that is
3647	>	* completed exceptionally when source is.
3648	>	*/
3649	>	public void testMinimalCompletionStage2() {
3650	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3651	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3652	>	AtomicInteger x = new AtomicInteger(0);
3653	>	AtomicReference<Throwable> r = new AtomicReference<>();
3654	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3655	>	checkIncomplete(f);
3656	>	CFException ex = new CFException();
3657	>	f.completeExceptionally(ex);
3658	>	checkCompletedExceptionally(f, ex);
3659	>	assertEquals(x.get(), 0);
3660	>	assertEquals(r.get().getCause(), ex);
3661	>	}
3662	>
3663	>	/**
3664	>	* failedStage returns a CompletionStage completed
3665	>	* exceptionally with the given Exception
3666	>	*/
3667	>	public void testFailedStage() {
3668	>	CFException ex = new CFException();
3669	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3670	>	AtomicInteger x = new AtomicInteger(0);
3671	>	AtomicReference<Throwable> r = new AtomicReference<>();
3672	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3673	>	assertEquals(x.get(), 0);
3674	>	assertEquals(r.get(), ex);
3675	>	}
3676	>
3677	>	/**
3678	>	* completeAsync completes with value of given supplier
3679	>	*/
3680	>	public void testCompleteAsync() {
3681	>	for (Integer v1 : new Integer[] { 1, null })
3682	>	{
3683	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3684	>	f.completeAsync(() -> v1);
3685	>	f.join();
3686	>	checkCompletedNormally(f, v1);
3687	>	}}
3688	>
3689	>	/**
3690	>	* completeAsync completes exceptionally if given supplier throws
3691	>	*/
3692	>	public void testCompleteAsync2() {
3693	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3694	>	CFException ex = new CFException();
3695	>	f.completeAsync(() -> { throw ex; });
3696	>	try {
3697	>	f.join();
3698	>	shouldThrow();
3699	>	} catch (CompletionException success) {}
3700	>	checkCompletedWithWrappedException(f, ex);
3701	>	}
3702	>
3703	>	/**
3704	>	* completeAsync with given executor completes with value of given supplier
3705	>	*/
3706	>	public void testCompleteAsync3() {
3707	>	for (Integer v1 : new Integer[] { 1, null })
3708	>	{
3709	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3710	>	ThreadExecutor executor = new ThreadExecutor();
3711	>	f.completeAsync(() -> v1, executor);
3712	>	assertSame(v1, f.join());
3713	>	checkCompletedNormally(f, v1);
3714	>	assertEquals(1, executor.count.get());
3715	>	}}
3716	>
3717	>	/**
3718	>	* completeAsync with given executor completes exceptionally if
3719	>	* given supplier throws
3720	>	*/
3721	>	public void testCompleteAsync4() {
3722	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3723	>	CFException ex = new CFException();
3724	>	ThreadExecutor executor = new ThreadExecutor();
3725	>	f.completeAsync(() -> { throw ex; }, executor);
3726	>	try {
3727	>	f.join();
3728	>	shouldThrow();
3729	>	} catch (CompletionException success) {}
3730	>	checkCompletedWithWrappedException(f, ex);
3731	>	assertEquals(1, executor.count.get());
3732	>	}
3733	>
3734	>	/**
3735	>	* orTimeout completes with TimeoutException if not complete
3736	>	*/
3737	>	public void testOrTimeout_timesOut() {
3738	>	long timeoutMillis = timeoutMillis();
3739	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3740	>	long startTime = System.nanoTime();
3741	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3742	>	checkCompletedWithTimeoutException(f);
3743	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3744	>	}
3745	>
3746	>	/**
3747	>	* orTimeout completes normally if completed before timeout
3748	>	*/
3749	>	public void testOrTimeout_completed() {
3750	>	for (Integer v1 : new Integer[] { 1, null })
3751	>	{
3752	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3753	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3754	>	long startTime = System.nanoTime();
3755	>	f.complete(v1);
3756	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3757	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3758	>	g.complete(v1);
3759	>	checkCompletedNormally(f, v1);
3760	>	checkCompletedNormally(g, v1);
3761	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3762	>	}}
3763	>
3764	>	/**
3765	>	* completeOnTimeout completes with given value if not complete
3766	>	*/
3767	>	public void testCompleteOnTimeout_timesOut() {
3768	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3769	>	() -> testCompleteOnTimeout_timesOut(null));
3770	>	}
3771	>
3772	>	/**
3773	>	* completeOnTimeout completes with given value if not complete
3774	>	*/
3775	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3776	>	long timeoutMillis = timeoutMillis();
3777	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3778	>	long startTime = System.nanoTime();
3779	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3780	>	assertSame(v, f.join());
3781	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3782	>	f.complete(99);         // should have no effect
3783	>	checkCompletedNormally(f, v);
3784	>	}
3785	>
3786	>	/**
3787	>	* completeOnTimeout has no effect if completed within timeout
3788	>	*/
3789	>	public void testCompleteOnTimeout_completed() {
3790	>	for (Integer v1 : new Integer[] { 1, null })
3791	>	{
3792	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3793	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3794	>	long startTime = System.nanoTime();
3795	>	f.complete(v1);
3796	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3797	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3798	>	g.complete(v1);
3799	>	checkCompletedNormally(f, v1);
3800	>	checkCompletedNormally(g, v1);
3801	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3802	>	}}
3803	>
3804	>	/**
3805	>	* delayedExecutor returns an executor that delays submission
3806	>	*/
3807	>	public void testDelayedExecutor() {
3808	>	testInParallel(() -> testDelayedExecutor(null, null),
3809	>	() -> testDelayedExecutor(null, 1),
3810	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3811	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3812	>	}
3813	>
3814	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3815	>	long timeoutMillis = timeoutMillis();
3816	>	// Use an "unreasonably long" long timeout to catch lingering threads
3817	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3818	>	final Executor delayer, longDelayer;
3819	>	if (executor == null) {
3820	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3821	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3822	>	} else {
3823	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3824	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3825	>	}
3826	>	long startTime = System.nanoTime();
3827	>	CompletableFuture<Integer> f =
3828	>	CompletableFuture.supplyAsync(() -> v, delayer);
3829	>	CompletableFuture<Integer> g =
3830	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3831	>
3832	>	assertNull(g.getNow(null));
3833	>
3834	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3835	>	long millisElapsed = millisElapsedSince(startTime);
3836	>	assertTrue(millisElapsed >= timeoutMillis);
3837	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3838	>
3839	>	checkCompletedNormally(f, v);
3840	>
3841	>	checkIncomplete(g);
3842	>	assertTrue(g.cancel(true));
3843	>	}
3844	>
3845	>	//--- tests of implementation details; not part of official tck ---
3846	>
3847	>	Object resultOf(CompletableFuture<?> f) {
3848	>	SecurityManager sm = System.getSecurityManager();
3849	>	if (sm != null) {
3850	>	try {
3851	>	System.setSecurityManager(null);
3852	>	} catch (SecurityException giveUp) {
3853	>	return "Reflection not available";
3854	>	}
3855	>	}
3856	>
3857	>	try {
3858	>	java.lang.reflect.Field resultField
3859	>	= CompletableFuture.class.getDeclaredField("result");
3860	>	resultField.setAccessible(true);
3861	>	return resultField.get(f);
3862	>	} catch (Throwable t) {
3863	>	throw new AssertionError(t);
3864	>	} finally {
3865	>	if (sm != null) System.setSecurityManager(sm);
3866	>	}
3867	>	}
3868	>
3869	>	public void testExceptionPropagationReusesResultObject() {
3870	>	if (!testImplementationDetails) return;
3871		for (ExecutionMode m : ExecutionMode.values())
2776	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2777	–	for (boolean createIncomplete : new boolean[] { true, false })
3872		{
3873	<	final AtomicInteger a = new AtomicInteger(0);
3874	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3875	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2782	<	final CompletableFuture<Integer> g = m.whenComplete
2783	<	(f,
2784	<	(Integer x, Throwable t) -> {
2785	<	threadAssertNull(x);
2786	<	threadAssertTrue(t instanceof CancellationException);
2787	<	a.getAndIncrement();
2788	<	});
2789	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3873	>	final CFException ex = new CFException();
3874	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3875	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3876
3877	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3878	<	checkCompletedWithWrappedCancellationException(g);
3879	<	checkCancelled(f);
3880	<	assertEquals(1, a.get());
3877	>	final Runnable noopRunnable = new Noop(m);
3878	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3879	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
3880	>
3881	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3882	>	= new ArrayList<>();
3883	>
3884	>	funs.add(y -> m.thenRun(y, noopRunnable));
3885	>	funs.add(y -> m.thenAccept(y, noopConsumer));
3886	>	funs.add(y -> m.thenApply(y, incFunction));
3887	>
3888	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3889	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3890	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3891	>
3892	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3893	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3894	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3895	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3896	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3897	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3898	>
3899	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3900	>
3901	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3902	>
3903	>	funs.add(y -> CompletableFuture.allOf(y));
3904	>	funs.add(y -> CompletableFuture.allOf(y, v42));
3905	>	funs.add(y -> CompletableFuture.allOf(v42, y));
3906	>	funs.add(y -> CompletableFuture.anyOf(y));
3907	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3908	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3909	>
3910	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3911	>	fun : funs) {
3912	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3913	>	f.completeExceptionally(ex);
3914	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3915	>	checkCompletedWithWrappedException(src, ex);
3916	>	CompletableFuture<?> dep = fun.apply(src);
3917	>	checkCompletedWithWrappedException(dep, ex);
3918	>	assertSame(resultOf(src), resultOf(dep));
3919	>	}
3920	>
3921	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3922	>	fun : funs) {
3923	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3924	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3925	>	CompletableFuture<?> dep = fun.apply(src);
3926	>	f.completeExceptionally(ex);
3927	>	checkCompletedWithWrappedException(src, ex);
3928	>	checkCompletedWithWrappedException(dep, ex);
3929	>	assertSame(resultOf(src), resultOf(dep));
3930	>	}
3931	>
3932	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3933	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3934	>	fun : funs) {
3935	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3936	>	f.cancel(mayInterruptIfRunning);
3937	>	checkCancelled(f);
3938	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3939	>	checkCompletedWithWrappedCancellationException(src);
3940	>	CompletableFuture<?> dep = fun.apply(src);
3941	>	checkCompletedWithWrappedCancellationException(dep);
3942	>	assertSame(resultOf(src), resultOf(dep));
3943	>	}
3944	>
3945	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3946	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3947	>	fun : funs) {
3948	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3949	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3950	>	CompletableFuture<?> dep = fun.apply(src);
3951	>	f.cancel(mayInterruptIfRunning);
3952	>	checkCancelled(f);
3953	>	checkCompletedWithWrappedCancellationException(src);
3954	>	checkCompletedWithWrappedCancellationException(dep);
3955	>	assertSame(resultOf(src), resultOf(dep));
3956	>	}
3957		}}
3958
3959		/**
3960	<	* If a whenComplete action throws an exception when triggered by
3961	<	* a normal completion, it completes exceptionally
3960	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3961	>	*/
3962	>	public void testMinimalCompletionStage_minimality() {
3963	>	if (!testImplementationDetails) return;
3964	>	Function<Method, String> toSignature =
3965	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3966	>	Predicate<Method> isNotStatic =
3967	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3968	>	List<Method> minimalMethods =
3969	>	Stream.of(Object.class, CompletionStage.class)
3970	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3971	>	.filter(isNotStatic)
3972	>	.collect(Collectors.toList());
3973	>	// Methods from CompletableFuture permitted NOT to throw UOE
3974	>	String[] signatureWhitelist = {
3975	>	"newIncompleteFuture[]",
3976	>	"defaultExecutor[]",
3977	>	"minimalCompletionStage[]",
3978	>	"copy[]",
3979	>	};
3980	>	Set<String> permittedMethodSignatures =
3981	>	Stream.concat(minimalMethods.stream().map(toSignature),
3982	>	Stream.of(signatureWhitelist))
3983	>	.collect(Collectors.toSet());
3984	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3985	>	.filter(isNotStatic)
3986	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3987	>	.collect(Collectors.toList());
3988	>
3989	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
3990	>	CompletionStage<Integer> min =
3991	>	new CompletableFuture<Integer>().minimalCompletionStage();
3992	>	stages.add(min);
3993	>	stages.add(min.thenApply(x -> x));
3994	>	stages.add(CompletableFuture.completedStage(1));
3995	>	stages.add(CompletableFuture.failedStage(new CFException()));
3996	>
3997	>	List<Method> bugs = new ArrayList<>();
3998	>	for (Method method : allMethods) {
3999	>	Class<?>[] parameterTypes = method.getParameterTypes();
4000	>	Object[] args = new Object[parameterTypes.length];
4001	>	// Manufacture boxed primitives for primitive params
4002	>	for (int i = 0; i < args.length; i++) {
4003	>	Class<?> type = parameterTypes[i];
4004	>	if (parameterTypes[i] == boolean.class)
4005	>	args[i] = false;
4006	>	else if (parameterTypes[i] == int.class)
4007	>	args[i] = 0;
4008	>	else if (parameterTypes[i] == long.class)
4009	>	args[i] = 0L;
4010	>	}
4011	>	for (CompletionStage<Integer> stage : stages) {
4012	>	try {
4013	>	method.invoke(stage, args);
4014	>	bugs.add(method);
4015	>	}
4016	>	catch (java.lang.reflect.InvocationTargetException expected) {
4017	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4018	>	bugs.add(method);
4019	>	// expected.getCause().printStackTrace();
4020	>	}
4021	>	}
4022	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4023	>	}
4024	>	}
4025	>	if (!bugs.isEmpty())
4026	>	throw new Error("Methods did not throw UOE: " + bugs);
4027	>	}
4028	>
4029	>	/**
4030	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4031	>	* is completed normally, with the same value, when source is.
4032		*/
4033	<	public void testWhenComplete_actionFailed() {
4033	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4034		for (boolean createIncomplete : new boolean[] { true, false })
2803	–	for (ExecutionMode m : ExecutionMode.values())
4035		for (Integer v1 : new Integer[] { 1, null })
4036		{
4037	<	final AtomicInteger a = new AtomicInteger(0);
4038	<	final CFException ex = new CFException();
4039	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4040	<	if (!createIncomplete) f.complete(v1);
4041	<	final CompletableFuture<Integer> g = m.whenComplete
4042	<	(f,
4043	<	(Integer x, Throwable t) -> {
4044	<	threadAssertSame(x, v1);
4045	<	threadAssertNull(t);
2815	<	a.getAndIncrement();
2816	<	throw ex;
2817	<	});
2818	<	if (createIncomplete) f.complete(v1);
4037	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4038	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4039	>	if (!createIncomplete) assertTrue(f.complete(v1));
4040	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4041	>	if (createIncomplete) {
4042	>	checkIncomplete(f);
4043	>	checkIncomplete(g);
4044	>	assertTrue(f.complete(v1));
4045	>	}
4046		checkCompletedNormally(f, v1);
4047	<	checkCompletedWithWrappedCFException(g, ex);
2821	<	assertEquals(1, a.get());
4047	>	checkCompletedNormally(g, v1);
4048		}}
4049
4050		/**
4051	<	* If a whenComplete action throws an exception when triggered by
4052	<	* a source completion that also throws an exception, the source
2827	<	* exception takes precedence.
4051	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4052	>	* is completed exceptionally when source is.
4053		*/
4054	<	public void testWhenComplete_actionFailedSourceFailed() {
4054	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4055		for (boolean createIncomplete : new boolean[] { true, false })
4056	<	for (ExecutionMode m : ExecutionMode.values())
4056	>	{
4057	>	CFException ex = new CFException();
4058	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4059	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4060	>	if (!createIncomplete) f.completeExceptionally(ex);
4061	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4062	>	if (createIncomplete) {
4063	>	checkIncomplete(f);
4064	>	checkIncomplete(g);
4065	>	f.completeExceptionally(ex);
4066	>	}
4067	>	checkCompletedExceptionally(f, ex);
4068	>	checkCompletedWithWrappedException(g, ex);
4069	>	}}
4070	>
4071	>	/**
4072	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4073	>	*/
4074	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4075		for (Integer v1 : new Integer[] { 1, null })
4076		{
4077	<	final AtomicInteger a = new AtomicInteger(0);
4078	<	final CFException ex1 = new CFException();
4079	<	final CFException ex2 = new CFException();
4080	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4077	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4078	>	CompletionStage minimal = f.minimalCompletionStage();
4079	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4080	>	assertTrue(g.complete(v1));
4081	>	checkCompletedNormally(g, v1);
4082	>	checkIncomplete(f);
4083	>	checkIncomplete(minimal.toCompletableFuture());
4084	>	}}
4085
4086	<	if (!createIncomplete) f.completeExceptionally(ex1);
4087	<	final CompletableFuture<Integer> g = m.whenComplete
4088	<	(f,
4089	<	(Integer x, Throwable t) -> {
4090	<	threadAssertSame(t, ex1);
4091	<	threadAssertNull(x);
4092	<	a.getAndIncrement();
4093	<	throw ex2;
4094	<	});
4095	<	if (createIncomplete) f.completeExceptionally(ex1);
4086	>	/**
4087	>	* minimalStage.toCompletableFuture().join() awaits completion
4088	>	*/
4089	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4090	>	for (boolean createIncomplete : new boolean[] { true, false })
4091	>	for (Integer v1 : new Integer[] { 1, null })
4092	>	{
4093	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4094	>	if (!createIncomplete) assertTrue(f.complete(v1));
4095	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4096	>	if (createIncomplete) assertTrue(f.complete(v1));
4097	>	assertEquals(v1, minimal.toCompletableFuture().join());
4098	>	assertEquals(v1, minimal.toCompletableFuture().get());
4099	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4100	>	}}
4101
4102	<	checkCompletedWithWrappedCFException(f, ex1);
4103	<	checkCompletedWithWrappedCFException(g, ex1);
4104	<	assertEquals(1, a.get());
4102	>	/**
4103	>	* Completion of a toCompletableFuture copy of a minimal stage
4104	>	* does not complete its source.
4105	>	*/
4106	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4107	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4108	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4109	>	assertTrue(g.toCompletableFuture().complete(1));
4110	>	assertTrue(g.toCompletableFuture().complete(null));
4111	>	assertTrue(g.toCompletableFuture().cancel(true));
4112	>	assertTrue(g.toCompletableFuture().cancel(false));
4113	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4114	>	checkIncomplete(g.toCompletableFuture());
4115	>	f.complete(1);
4116	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4117	>	}
4118	>
4119	>	/** Demo utility method for external reliable toCompletableFuture */
4120	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4121	>	CompletableFuture<T> f = new CompletableFuture<>();
4122	>	stage.handle((T t, Throwable ex) -> {
4123	>	if (ex != null) f.completeExceptionally(ex);
4124	>	else f.complete(t);
4125	>	return null;
4126	>	});
4127	>	return f;
4128	>	}
4129	>
4130	>	/** Demo utility method to join a CompletionStage */
4131	>	static <T> T join(CompletionStage<T> stage) {
4132	>	return toCompletableFuture(stage).join();
4133	>	}
4134	>
4135	>	/**
4136	>	* Joining a minimal stage "by hand" works
4137	>	*/
4138	>	public void testMinimalCompletionStage_join_by_hand() {
4139	>	for (boolean createIncomplete : new boolean[] { true, false })
4140	>	for (Integer v1 : new Integer[] { 1, null })
4141	>	{
4142	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4143	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4144	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4145	>	if (!createIncomplete) assertTrue(f.complete(v1));
4146	>	minimal.thenAccept(x -> g.complete(x));
4147	>	if (createIncomplete) assertTrue(f.complete(v1));
4148	>	g.join();
4149	>	checkCompletedNormally(g, v1);
4150	>	checkCompletedNormally(f, v1);
4151	>	assertEquals(v1, join(minimal));
4152		}}
4153
4154	+	static class Monad {
4155	+	static class ZeroException extends RuntimeException {
4156	+	public ZeroException() { super("monadic zero"); }
4157	+	}
4158	+	// "return", "unit"
4159	+	static <T> CompletableFuture<T> unit(T value) {
4160	+	return completedFuture(value);
4161	+	}
4162	+	// monadic zero ?
4163	+	static <T> CompletableFuture<T> zero() {
4164	+	return failedFuture(new ZeroException());
4165	+	}
4166	+	// >=>
4167	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
4168	+	(Function<T, CompletableFuture<U>> f,
4169	+	Function<U, CompletableFuture<V>> g) {
4170	+	return x -> f.apply(x).thenCompose(g);
4171	+	}
4172	+
4173	+	static void assertZero(CompletableFuture<?> f) {
4174	+	try {
4175	+	f.getNow(null);
4176	+	throw new AssertionFailedError("should throw");
4177	+	} catch (CompletionException success) {
4178	+	assertTrue(success.getCause() instanceof ZeroException);
4179	+	}
4180	+	}
4181	+
4182	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4183	+	CompletableFuture<T> g) {
4184	+	T fval = null, gval = null;
4185	+	Throwable fex = null, gex = null;
4186	+
4187	+	try { fval = f.get(); }
4188	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4189	+	catch (Throwable ex) { fex = ex; }
4190	+
4191	+	try { gval = g.get(); }
4192	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4193	+	catch (Throwable ex) { gex = ex; }
4194	+
4195	+	if (fex != null || gex != null)
4196	+	assertSame(fex.getClass(), gex.getClass());
4197	+	else
4198	+	assertEquals(fval, gval);
4199	+	}
4200	+
4201	+	static class PlusFuture<T> extends CompletableFuture<T> {
4202	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4203	+	}
4204	+
4205	+	/** Implements "monadic plus". */
4206	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4207	+	CompletableFuture<? extends T> g) {
4208	+	PlusFuture<T> plus = new PlusFuture<T>();
4209	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4210	+	try {
4211	+	if (ex == null) {
4212	+	if (plus.complete(result))
4213	+	if (plus.firstFailure.get() != null)
4214	+	plus.firstFailure.set(null);
4215	+	}
4216	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4217	+	if (plus.isDone())
4218	+	plus.firstFailure.set(null);
4219	+	}
4220	+	else {
4221	+	// first failure has precedence
4222	+	Throwable first = plus.firstFailure.getAndSet(null);
4223	+
4224	+	// may fail with "Self-suppression not permitted"
4225	+	try { first.addSuppressed(ex); }
4226	+	catch (Exception ignored) {}
4227	+
4228	+	plus.completeExceptionally(first);
4229	+	}
4230	+	} catch (Throwable unexpected) {
4231	+	plus.completeExceptionally(unexpected);
4232	+	}
4233	+	};
4234	+	f.whenComplete(action);
4235	+	g.whenComplete(action);
4236	+	return plus;
4237	+	}
4238	+	}
4239	+
4240	+	/**
4241	+	* CompletableFuture is an additive monad - sort of.
4242	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4243	+	*/
4244	+	public void testAdditiveMonad() throws Throwable {
4245	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4246	+	CompletableFuture<Long> zero = Monad.zero();
4247	+
4248	+	// Some mutually non-commutative functions
4249	+	Function<Long, CompletableFuture<Long>> triple
4250	+	= x -> Monad.unit(3 * x);
4251	+	Function<Long, CompletableFuture<Long>> inc
4252	+	= x -> Monad.unit(x + 1);
4253	+
4254	+	// unit is a right identity: m >>= unit === m
4255	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4256	+	inc.apply(5L));
4257	+	// unit is a left identity: (unit x) >>= f === f x
4258	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4259	+	inc.apply(5L));
4260	+
4261	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4262	+	Monad.assertFutureEquals(
4263	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4264	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4265	+
4266	+	// The case for CompletableFuture as an additive monad is weaker...
4267	+
4268	+	// zero is a monadic zero
4269	+	Monad.assertZero(zero);
4270	+
4271	+	// left zero: zero >>= f === zero
4272	+	Monad.assertZero(zero.thenCompose(inc));
4273	+	// right zero: f >>= (\x -> zero) === zero
4274	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4275	+
4276	+	// f plus zero === f
4277	+	Monad.assertFutureEquals(Monad.unit(5L),
4278	+	Monad.plus(Monad.unit(5L), zero));
4279	+	// zero plus f === f
4280	+	Monad.assertFutureEquals(Monad.unit(5L),
4281	+	Monad.plus(zero, Monad.unit(5L)));
4282	+	// zero plus zero === zero
4283	+	Monad.assertZero(Monad.plus(zero, zero));
4284	+	{
4285	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4286	+	Monad.unit(8L));
4287	+	// non-determinism
4288	+	assertTrue(f.get() == 5L || f.get() == 8L);
4289	+	}
4290	+
4291	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4292	+	// f plus godot === f (doesn't wait for godot)
4293	+	Monad.assertFutureEquals(Monad.unit(5L),
4294	+	Monad.plus(Monad.unit(5L), godot));
4295	+	// godot plus f === f (doesn't wait for godot)
4296	+	Monad.assertFutureEquals(Monad.unit(5L),
4297	+	Monad.plus(godot, Monad.unit(5L)));
4298	+	}
4299	+
4300	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4301	+	@SuppressWarnings("FutureReturnValueIgnored")
4302	+	public void testRecursiveChains() throws Throwable {
4303	+	for (ExecutionMode m : ExecutionMode.values())
4304	+	for (boolean addDeadEnds : new boolean[] { true, false })
4305	+	{
4306	+	final int val = 42;
4307	+	final int n = expensiveTests ? 1_000 : 2;
4308	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4309	+	CompletableFuture<Integer> tail = head;
4310	+	for (int i = 0; i < n; i++) {
4311	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4312	+	tail = m.thenApply(tail, v -> v + 1);
4313	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4314	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4315	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4316	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4317	+	}
4318	+	head.complete(val);
4319	+	assertEquals(val + 3 * n, (int) tail.join());
4320	+	}}
4321	+
4322	+	/**
4323	+	* A single CompletableFuture with many dependents.
4324	+	* A demo of scalability - runtime is O(n).
4325	+	*/
4326	+	@SuppressWarnings("FutureReturnValueIgnored")
4327	+	public void testManyDependents() throws Throwable {
4328	+	final int n = expensiveTests ? 1_000_000 : 10;
4329	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4330	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4331	+	final AtomicInteger count = new AtomicInteger(0);
4332	+	for (int i = 0; i < n; i++) {
4333	+	head.thenRun(() -> count.getAndIncrement());
4334	+	head.thenAccept(x -> count.getAndIncrement());
4335	+	head.thenApply(x -> count.getAndIncrement());
4336	+
4337	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4338	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4339	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4340	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4341	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4342	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4343	+
4344	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4345	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4346	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4347	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4348	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4349	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4350	+	}
4351	+	head.complete(null);
4352	+	assertEquals(5 * 3 * n, count.get());
4353	+	}
4354	+
4355	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4356	+	@SuppressWarnings("FutureReturnValueIgnored")
4357	+	public void testCoCompletionGarbageRetention() throws Throwable {
4358	+	final int n = expensiveTests ? 1_000_000 : 10;
4359	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4360	+	CompletableFuture<Integer> f;
4361	+	for (int i = 0; i < n; i++) {
4362	+	f = new CompletableFuture<>();
4363	+	f.runAfterEither(incomplete, () -> {});
4364	+	f.complete(null);
4365	+
4366	+	f = new CompletableFuture<>();
4367	+	f.acceptEither(incomplete, x -> {});
4368	+	f.complete(null);
4369	+
4370	+	f = new CompletableFuture<>();
4371	+	f.applyToEither(incomplete, x -> x);
4372	+	f.complete(null);
4373	+
4374	+	f = new CompletableFuture<>();
4375	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4376	+	f.complete(null);
4377	+	}
4378	+
4379	+	for (int i = 0; i < n; i++) {
4380	+	f = new CompletableFuture<>();
4381	+	incomplete.runAfterEither(f, () -> {});
4382	+	f.complete(null);
4383	+
4384	+	f = new CompletableFuture<>();
4385	+	incomplete.acceptEither(f, x -> {});
4386	+	f.complete(null);
4387	+
4388	+	f = new CompletableFuture<>();
4389	+	incomplete.applyToEither(f, x -> x);
4390	+	f.complete(null);
4391	+
4392	+	f = new CompletableFuture<>();
4393	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4394	+	f.complete(null);
4395	+	}
4396	+	}
4397	+
4398	+	/**
4399	+	* Reproduction recipe for:
4400	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4401	+	* 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
4402	+	*/
4403	+	public void testAnyOfGarbageRetention() throws Throwable {
4404	+	for (Integer v : new Integer[] { 1, null })
4405	+	{
4406	+	final int n = expensiveTests ? 100_000 : 10;
4407	+	CompletableFuture<Integer>[] fs
4408	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4409	+	for (int i = 0; i < fs.length; i++)
4410	+	fs[i] = new CompletableFuture<>();
4411	+	fs[fs.length - 1].complete(v);
4412	+	for (int i = 0; i < n; i++)
4413	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4414	+	}}
4415	+
4416	+	/**
4417	+	* Checks for garbage retention with allOf.
4418	+	*
4419	+	* As of 2016-07, fails with OOME:
4420	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4421	+	*/
4422	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4423	+	final int n = expensiveTests ? 100_000 : 10;
4424	+	CompletableFuture<Integer>[] fs
4425	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4426	+	for (int i = 0; i < fs.length; i++)
4427	+	fs[i] = new CompletableFuture<>();
4428	+	for (int i = 0; i < n; i++)
4429	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4430	+	}
4431	+
4432	+	/**
4433	+	* Checks for garbage retention when a dependent future is
4434	+	* cancelled and garbage-collected.
4435	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4436	+	*
4437	+	* As of 2016-07, fails with OOME:
4438	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4439	+	*/
4440	+	public void testCancelledGarbageRetention() throws Throwable {
4441	+	final int n = expensiveTests ? 100_000 : 10;
4442	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4443	+	for (int i = 0; i < n; i++)
4444	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4445	+	}
4446	+
4447	+	/**
4448	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4449	+	* is invoked many times.
4450	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4451	+	*
4452	+	* As of 2016-07, fails with OOME:
4453	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4454	+	*/
4455	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4456	+	final int n = expensiveTests ? 900_000 : 10;
4457	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4458	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4459	+	for (int i = 0; i < n; i++)
4460	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4461	+	}
4462	+
4463	+	//     static <U> U join(CompletionStage<U> stage) {
4464	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4465	+	//         stage.whenComplete((v, ex) -> {
4466	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4467	+	//         });
4468	+	//         return f.join();
4469	+	//     }
4470	+
4471	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4472	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4473	+	//         stage.whenComplete((v, ex) -> {
4474	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4475	+	//         });
4476	+	//         return f.isDone();
4477	+	//     }
4478	+
4479	+	//     static <U> U join2(CompletionStage<U> stage) {
4480	+	//         return stage.toCompletableFuture().copy().join();
4481	+	//     }
4482	+
4483	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4484	+	//         return stage.toCompletableFuture().copy().isDone();
4485	+	//     }
4486	+
4487		}

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