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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.42 by jsr166, Mon Jun 2 02:19:23 2014 UTC vs.
Revision 1.186 by jsr166, Mon Jul 3 20:55:45 2017 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33	+	import java.util.concurrent.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
23	<	import static java.util.concurrent.TimeUnit.SECONDS;
24	<	import java.util.*;
25	<	import java.util.function.Supplier;
26	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
28	–	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 42 | 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 55 | 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));
60	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
63	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
64	–	try {
79		assertEquals(value, f.getNow(null));
66	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
67	–	try {
80		assertEquals(value, f.get());
81		} catch (Throwable fail) { threadUnexpectedException(fail); }
82		assertTrue(f.isDone());
#	Line 73 | 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) {
93	<	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 {
96	<	f.get();
97	<	shouldThrow();
98	<	} catch (ExecutionException success) {
99	<	assertTrue(success.getCause() instanceof CFException);
100	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
101	<	assertTrue(f.isDone());
102	<	assertFalse(f.isCancelled());
103	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
104	<	}
106	>	checker.accept(cause);
107
108	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
107	<	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 153 | Line 187 | public class CompletableFutureTest exten
187		shouldThrow();
188		} catch (CancellationException success) {
189		} catch (Throwable fail) { threadUnexpectedException(fail); }
156	–	assertTrue(f.isDone());
157	–	assertTrue(f.isCompletedExceptionally());
158	–	assertTrue(f.isCancelled());
159	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
160	–	}
190
191	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
192	<	try {
164	<	f.get(LONG_DELAY_MS, MILLISECONDS);
165	<	shouldThrow();
166	<	} catch (ExecutionException success) {
167	<	assertTrue(success.getCause() instanceof CancellationException);
168	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
169	<	try {
170	<	f.join();
171	<	shouldThrow();
172	<	} catch (CompletionException success) {
173	<	assertTrue(success.getCause() instanceof CancellationException);
174	<	}
175	<	try {
176	<	f.getNow(null);
177	<	shouldThrow();
178	<	} catch (CompletionException success) {
179	<	assertTrue(success.getCause() instanceof CancellationException);
180	<	}
181	<	try {
182	<	f.get();
183	<	shouldThrow();
184	<	} catch (ExecutionException success) {
185	<	assertTrue(success.getCause() instanceof CancellationException);
186	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
191	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
192	>
193		assertTrue(f.isDone());
188	–	assertFalse(f.isCancelled());
194		assertTrue(f.isCompletedExceptionally());
195	+	assertTrue(f.isCancelled());
196		assertTrue(f.toString().contains("[Completed exceptionally]"));
197		}
198
#	Line 204 | 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 216 | 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 226 | 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 238 | 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 247 | Line 261 | public class CompletableFutureTest exten
261		f = new CompletableFuture<>();
262		f.obtrudeValue(three);
263		checkCompletedNormally(f, three);
264	+	f.obtrudeValue(null);
265	+	checkCompletedNormally(f, null);
266		f = new CompletableFuture<>();
267		f.completeExceptionally(new CFException());
268		f.obtrudeValue(four);
#	Line 257 | Line 273 | public class CompletableFutureTest exten
273		* obtrudeException forces completion with given exception
274		*/
275		public void testObtrudeException() {
276	<	CompletableFuture<Integer> f = new CompletableFuture<>();
277	<	checkIncomplete(f);
278	<	f.complete(one);
279	<	checkCompletedNormally(f, one);
280	<	f.obtrudeException(new CFException());
281	<	checkCompletedWithWrappedCFException(f);
276	>	for (Integer v1 : new Integer[] { 1, null })
277	>	{
278	>	CFException ex;
279	>	CompletableFuture<Integer> f;
280	>
281	>	f = new CompletableFuture<>();
282	>	assertTrue(f.complete(v1));
283	>	for (int i = 0; i < 2; i++) {
284	>	f.obtrudeException(ex = new CFException());
285	>	checkCompletedExceptionally(f, ex);
286	>	}
287	>
288		f = new CompletableFuture<>();
289	<	f.obtrudeException(new CFException());
290	<	checkCompletedWithWrappedCFException(f);
289	>	for (int i = 0; i < 2; i++) {
290	>	f.obtrudeException(ex = new CFException());
291	>	checkCompletedExceptionally(f, ex);
292	>	}
293	>
294		f = new CompletableFuture<>();
295	+	f.completeExceptionally(ex = new CFException());
296	+	f.obtrudeValue(v1);
297	+	checkCompletedNormally(f, v1);
298	+	f.obtrudeException(ex = new CFException());
299	+	checkCompletedExceptionally(f, ex);
300		f.completeExceptionally(new CFException());
301	<	f.obtrudeValue(four);
302	<	checkCompletedNormally(f, four);
303	<	f.obtrudeException(new CFException());
304	<	checkCompletedWithWrappedCFException(f);
275	<	}
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(f.getNumberOfDependents(), 0);
315	<	CompletableFuture g = f.thenRun(new Noop());
316	<	assertEquals(f.getNumberOfDependents(), 1);
317	<	assertEquals(g.getNumberOfDependents(), 0);
318	<	CompletableFuture h = f.thenRun(new Noop());
319	<	assertEquals(f.getNumberOfDependents(), 2);
320	<	f.complete(1);
314	>	assertEquals(0, f.getNumberOfDependents());
315	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
316	>	assertEquals(1, f.getNumberOfDependents());
317	>	assertEquals(0, g.getNumberOfDependents());
318	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
319	>	assertEquals(2, f.getNumberOfDependents());
320	>	assertEquals(0, h.getNumberOfDependents());
321	>	assertTrue(f.complete(v1));
322		checkCompletedNormally(g, null);
323	<	assertEquals(f.getNumberOfDependents(), 0);
324	<	assertEquals(g.getNumberOfDependents(), 0);
325	<	}
323	>	checkCompletedNormally(h, null);
324	>	assertEquals(0, f.getNumberOfDependents());
325	>	assertEquals(0, g.getNumberOfDependents());
326	>	assertEquals(0, h.getNumberOfDependents());
327	>	}}
328
329		/**
330		* toString indicates current completion state
#	Line 300 | 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 316 | 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 330 | 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);
337	<	static final BiFunction<Integer, Integer, Integer> subtract =
338	<	(Integer x, Integer y) -> subtract(x, y);
339	<	static final class IncAction implements Consumer<Integer> {
340	<	int invocationCount = 0;
341	<	Integer value;
342	<	public boolean ran() { return invocationCount == 1; }
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;
412	<	public boolean ran() { return invocationCount == 1; }
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.
423	<	public boolean ran() { return invocationCount == 1; }
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.
441	<	public boolean ran() { return invocationCount == 1; }
437	>
438	>	static class SubtractFunction extends CheckedIntegerAction
439	>	implements BiFunction<Integer, Integer, Integer>
440	>	{
441	>	SubtractFunction(ExecutionMode m) { super(m); }
442		public Integer apply(Integer x, Integer y) {
443	<	invocationCount++;
443	>	invoked();
444		return value = subtract(x, y);
445		}
446		}
447	<	static final class Noop implements Runnable {
448	<	int invocationCount = 0;
449	<	boolean ran;
447	>
448	>	static class Noop extends CheckedAction implements Runnable {
449	>	Noop(ExecutionMode m) { super(m); }
450		public void run() {
451	<	invocationCount++;
382	<	ran = true;
451	>	invoked();
452		}
453		}
454
455	<	static final class FailingSupplier implements Supplier<Integer> {
456	<	boolean ran;
457	<	public Integer get() { ran = true; throw new CFException(); }
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	>	invoked();
462	>	throw ex;
463	>	}
464		}
465	<	static final class FailingConsumer implements Consumer<Integer> {
466	<	boolean ran;
467	<	public void accept(Integer x) { ran = true; throw new CFException(); }
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	>	invoked();
473	>	value = x;
474	>	throw ex;
475	>	}
476		}
477	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
478	<	boolean ran;
479	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
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	>	invoked();
485	>	value = subtract(x, y);
486	>	throw ex;
487	>	}
488		}
489	<	static final class FailingFunction implements Function<Integer, Integer> {
490	<	boolean ran;
491	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
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	>	invoked();
497	>	value = x;
498	>	throw ex;
499	>	}
500		}
501	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
502	<	boolean ran;
503	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
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	>	invoked();
509	>	value = subtract(x, y);
510	>	throw ex;
511	>	}
512		}
513	<	static final class FailingNoop implements Runnable {
514	<	boolean ran;
515	<	public void run() { ran = true; throw new CFException(); }
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	>	invoked();
519	>	throw ex;
520	>	}
521		}
522
523	<	static final class CompletableFutureInc
524	<	implements Function<Integer, CompletableFuture<Integer>> {
525	<	boolean ran;
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	<	ran = true;
528	>	invoked();
529	>	value = x;
530		CompletableFuture<Integer> f = new CompletableFuture<>();
531	<	f.complete(Integer.valueOf(x.intValue() + 1));
531	>	assertTrue(f.complete(inc(x)));
532		return f;
533		}
534		}
535
536	<	static final class FailingCompletableFutureFunction
537	<	implements Function<Integer, CompletableFuture<Integer>> {
538	<	boolean ran;
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	<	ran = true; throw new CFException();
542	>	invoked();
543	>	value = x;
544	>	throw ex;
545		}
546		}
547
548	<	// Used for explicit executor tests
549	<	static final class ThreadExecutor implements Executor {
550	<	AtomicInteger count = new AtomicInteger(0);
433	<
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	<	new Thread(r).start();
553	>	throw ex;
554		}
555		}
556
557	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
558	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
559	<	}
557	>	// Used for explicit executor tests
558	>	static final class ThreadExecutor implements Executor {
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	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
566	<	boolean ran;
567	<	public Integer apply(Integer x, Throwable t) {
447	<	ran = true;
448	<	return (t == null) ? two : three;
565	>	public void execute(Runnable r) {
566	>	count.getAndIncrement();
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);
593	>	}
594	>	public <T> CompletableFuture<Void> thenAccept
595	>	(CompletableFuture<T> f, Consumer<? super T> a) {
596	>	return f.thenAccept(a);
597	>	}
598	>	public <T,U> CompletableFuture<U> thenApply
599	>	(CompletableFuture<T> f, Function<? super T,U> a) {
600	>	return f.thenApply(a);
601	>	}
602	>	public <T,U> CompletableFuture<U> thenCompose
603	>	(CompletableFuture<T> f,
604	>	Function<? super T,? extends CompletionStage<U>> a) {
605	>	return f.thenCompose(a);
606	>	}
607	>	public <T,U> CompletableFuture<U> handle
608	>	(CompletableFuture<T> f,
609	>	BiFunction<? super T,Throwable,? extends U> a) {
610	>	return f.handle(a);
611	>	}
612	>	public <T> CompletableFuture<T> whenComplete
613	>	(CompletableFuture<T> f,
614	>	BiConsumer<? super T,? super Throwable> a) {
615	>	return f.whenComplete(a);
616	>	}
617		public <T,U> CompletableFuture<Void> runAfterBoth
618		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
619		return f.runAfterBoth(g, a);
#	Line 471 | Line 630 | public class CompletableFutureTest exten
630		BiFunction<? super T,? super U,? extends V> a) {
631		return f.thenCombine(g, a);
632		}
633	<	public <T,U> CompletableFuture<U> applyToEither
633	>	public <T> CompletableFuture<Void> runAfterEither
634		(CompletableFuture<T> f,
635	<	CompletionStage<? extends T> g,
636	<	Function<? super T,U> a) {
637	<	return f.applyToEither(g, a);
635	>	CompletionStage<?> g,
636	>	java.lang.Runnable a) {
637	>	return f.runAfterEither(g, a);
638		}
639		public <T> CompletableFuture<Void> acceptEither
640		(CompletableFuture<T> f,
#	Line 483 | Line 642 | public class CompletableFutureTest exten
642		Consumer<? super T> a) {
643		return f.acceptEither(g, a);
644		}
645	<	public <T> CompletableFuture<Void> runAfterEither
645	>	public <T,U> CompletableFuture<U> applyToEither
646		(CompletableFuture<T> f,
647	<	CompletionStage<?> g,
648	<	java.lang.Runnable a) {
649	<	return f.runAfterEither(g, a);
647	>	CompletionStage<? extends T> g,
648	>	Function<? super T,U> a) {
649	>	return f.applyToEither(g, a);
650	>	}
651	>	},
652	>
653	>	ASYNC {
654	>	public void checkExecutionMode() {
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) {
666	>	return f.thenRunAsync(a);
667	>	}
668	>	public <T> CompletableFuture<Void> thenAccept
669	>	(CompletableFuture<T> f, Consumer<? super T> a) {
670	>	return f.thenAcceptAsync(a);
671	>	}
672	>	public <T,U> CompletableFuture<U> thenApply
673	>	(CompletableFuture<T> f, Function<? super T,U> a) {
674	>	return f.thenApplyAsync(a);
675		}
676		public <T,U> CompletableFuture<U> thenCompose
677		(CompletableFuture<T> f,
678		Function<? super T,? extends CompletionStage<U>> a) {
679	<	return f.thenCompose(a);
679	>	return f.thenComposeAsync(a);
680	>	}
681	>	public <T,U> CompletableFuture<U> handle
682	>	(CompletableFuture<T> f,
683	>	BiFunction<? super T,Throwable,? extends U> a) {
684	>	return f.handleAsync(a);
685		}
686		public <T> CompletableFuture<T> whenComplete
687		(CompletableFuture<T> f,
688		BiConsumer<? super T,? super Throwable> a) {
689	<	return f.whenComplete(a);
689	>	return f.whenCompleteAsync(a);
690		}
502	–	},
503	–
504	–	//             /** Experimental way to do more testing */
505	–	//         REVERSE_DEFAULT {
506	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
507	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
508	–	//                 return g.runAfterBoth(f, a);
509	–	//             }
510	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
511	–	//                 (CompletableFuture<T> f,
512	–	//                  CompletionStage<? extends U> g,
513	–	//                  BiConsumer<? super T,? super U> a) {
514	–	//                 return DEFAULT.thenAcceptBoth(f, g, a);
515	–	//             }
516	–	//         },
517	–
518	–	DEFAULT_ASYNC {
691		public <T,U> CompletableFuture<Void> runAfterBoth
692		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
693		return f.runAfterBothAsync(g, a);
#	Line 532 | Line 704 | public class CompletableFutureTest exten
704		BiFunction<? super T,? super U,? extends V> a) {
705		return f.thenCombineAsync(g, a);
706		}
707	<	public <T,U> CompletableFuture<U> applyToEither
707	>	public <T> CompletableFuture<Void> runAfterEither
708		(CompletableFuture<T> f,
709	<	CompletionStage<? extends T> g,
710	<	Function<? super T,U> a) {
711	<	return f.applyToEitherAsync(g, a);
709	>	CompletionStage<?> g,
710	>	java.lang.Runnable a) {
711	>	return f.runAfterEitherAsync(g, a);
712		}
713		public <T> CompletableFuture<Void> acceptEither
714		(CompletableFuture<T> f,
#	Line 544 | Line 716 | public class CompletableFutureTest exten
716		Consumer<? super T> a) {
717		return f.acceptEitherAsync(g, a);
718		}
719	<	public <T> CompletableFuture<Void> runAfterEither
719	>	public <T,U> CompletableFuture<U> applyToEither
720		(CompletableFuture<T> f,
721	<	CompletionStage<?> g,
722	<	java.lang.Runnable a) {
723	<	return f.runAfterEitherAsync(g, a);
721	>	CompletionStage<? extends T> g,
722	>	Function<? super T,U> a) {
723	>	return f.applyToEitherAsync(g, a);
724	>	}
725	>	},
726	>
727	>	EXECUTOR {
728	>	public void checkExecutionMode() {
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) {
739	>	return f.thenRunAsync(a, new ThreadExecutor());
740	>	}
741	>	public <T> CompletableFuture<Void> thenAccept
742	>	(CompletableFuture<T> f, Consumer<? super T> a) {
743	>	return f.thenAcceptAsync(a, new ThreadExecutor());
744	>	}
745	>	public <T,U> CompletableFuture<U> thenApply
746	>	(CompletableFuture<T> f, Function<? super T,U> a) {
747	>	return f.thenApplyAsync(a, new ThreadExecutor());
748		}
749		public <T,U> CompletableFuture<U> thenCompose
750		(CompletableFuture<T> f,
751		Function<? super T,? extends CompletionStage<U>> a) {
752	<	return f.thenComposeAsync(a);
752	>	return f.thenComposeAsync(a, new ThreadExecutor());
753	>	}
754	>	public <T,U> CompletableFuture<U> handle
755	>	(CompletableFuture<T> f,
756	>	BiFunction<? super T,Throwable,? extends U> a) {
757	>	return f.handleAsync(a, new ThreadExecutor());
758		}
759		public <T> CompletableFuture<T> whenComplete
760		(CompletableFuture<T> f,
761		BiConsumer<? super T,? super Throwable> a) {
762	<	return f.whenCompleteAsync(a);
762	>	return f.whenCompleteAsync(a, new ThreadExecutor());
763		}
563	–	},
564	–
565	–	//         REVERSE_DEFAULT_ASYNC {
566	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
567	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
568	–	//                 return f.runAfterBothAsync(g, a);
569	–	//             }
570	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
571	–	//                 (CompletableFuture<T> f,
572	–	//                  CompletionStage<? extends U> g,
573	–	//                  BiConsumer<? super T,? super U> a) {
574	–	//                 return DEFAULT_ASYNC.thenAcceptBoth(f, g, a);
575	–	//             }
576	–	//         },
577	–
578	–	EXECUTOR {
764		public <T,U> CompletableFuture<Void> runAfterBoth
765		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
766		return f.runAfterBothAsync(g, a, new ThreadExecutor());
#	Line 592 | Line 777 | public class CompletableFutureTest exten
777		BiFunction<? super T,? super U,? extends V> a) {
778		return f.thenCombineAsync(g, a, new ThreadExecutor());
779		}
595	–	public <T,U> CompletableFuture<U> applyToEither
596	–	(CompletableFuture<T> f,
597	–	CompletionStage<? extends T> g,
598	–	Function<? super T,U> a) {
599	–	return f.applyToEitherAsync(g, a, new ThreadExecutor());
600	–	}
601	–	public <T> CompletableFuture<Void> acceptEither
602	–	(CompletableFuture<T> f,
603	–	CompletionStage<? extends T> g,
604	–	Consumer<? super T> a) {
605	–	return f.acceptEitherAsync(g, a, new ThreadExecutor());
606	–	}
780		public <T> CompletableFuture<Void> runAfterEither
781		(CompletableFuture<T> f,
782		CompletionStage<?> g,
783		java.lang.Runnable a) {
784		return f.runAfterEitherAsync(g, a, new ThreadExecutor());
785		}
786	<	public <T,U> CompletableFuture<U> thenCompose
786	>	public <T> CompletableFuture<Void> acceptEither
787		(CompletableFuture<T> f,
788	<	Function<? super T,? extends CompletionStage<U>> a) {
789	<	return f.thenComposeAsync(a, new ThreadExecutor());
788	>	CompletionStage<? extends T> g,
789	>	Consumer<? super T> a) {
790	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
791		}
792	<	public <T> CompletableFuture<T> whenComplete
792	>	public <T,U> CompletableFuture<U> applyToEither
793		(CompletableFuture<T> f,
794	<	BiConsumer<? super T,? super Throwable> a) {
795	<	return f.whenCompleteAsync(a, new ThreadExecutor());
794	>	CompletionStage<? extends T> g,
795	>	Function<? super T,U> a) {
796	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
797		}
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
806	+	(CompletableFuture<T> f, Consumer<? super T> a);
807	+	public abstract <T,U> CompletableFuture<U> thenApply
808	+	(CompletableFuture<T> f, Function<? super T,U> a);
809	+	public abstract <T,U> CompletableFuture<U> thenCompose
810	+	(CompletableFuture<T> f,
811	+	Function<? super T,? extends CompletionStage<U>> a);
812	+	public abstract <T,U> CompletableFuture<U> handle
813	+	(CompletableFuture<T> f,
814	+	BiFunction<? super T,Throwable,? extends U> a);
815	+	public abstract <T> CompletableFuture<T> whenComplete
816	+	(CompletableFuture<T> f,
817	+	BiConsumer<? super T,? super Throwable> a);
818		public abstract <T,U> CompletableFuture<Void> runAfterBoth
819		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
820		public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
#	Line 632 | Line 825 | public class CompletableFutureTest exten
825		(CompletableFuture<T> f,
826		CompletionStage<? extends U> g,
827		BiFunction<? super T,? super U,? extends V> a);
635	–	public abstract <T,U> CompletableFuture<U> applyToEither
636	–	(CompletableFuture<T> f,
637	–	CompletionStage<? extends T> g,
638	–	Function<? super T,U> a);
639	–	public abstract <T> CompletableFuture<Void> acceptEither
640	–	(CompletableFuture<T> f,
641	–	CompletionStage<? extends T> g,
642	–	Consumer<? super T> a);
828		public abstract <T> CompletableFuture<Void> runAfterEither
829		(CompletableFuture<T> f,
830		CompletionStage<?> g,
831		java.lang.Runnable a);
832	<	public abstract <T,U> CompletableFuture<U> thenCompose
832	>	public abstract <T> CompletableFuture<Void> acceptEither
833		(CompletableFuture<T> f,
834	<	Function<? super T,? extends CompletionStage<U>> a);
835	<	public abstract <T> CompletableFuture<T> whenComplete
834	>	CompletionStage<? extends T> g,
835	>	Consumer<? super T> a);
836	>	public abstract <T,U> CompletableFuture<U> applyToEither
837		(CompletableFuture<T> f,
838	<	BiConsumer<? super T,? super Throwable> a);
839	<
654	<
655	<	}
656	<
657	<	/**
658	<	* exceptionally action completes with function value on source
659	<	* exception; otherwise with source value
660	<	*/
661	<	public void testExceptionally() {
662	<	CompletableFuture<Integer> f = new CompletableFuture<>();
663	<	ExceptionToInteger r = new ExceptionToInteger();
664	<	CompletableFuture<Integer> g = f.exceptionally(r);
665	<	f.completeExceptionally(new CFException());
666	<	checkCompletedNormally(g, three);
667	<
668	<	f = new CompletableFuture<>();
669	<	r = new ExceptionToInteger();
670	<	g = f.exceptionally(r);
671	<	f.complete(one);
672	<	checkCompletedNormally(g, one);
673	<	}
674	<
675	<	/**
676	<	* handle action completes normally with function value on either
677	<	* normal or exceptional completion of source
678	<	*/
679	<	public void testHandle() {
680	<	CompletableFuture<Integer> f, g;
681	<	IntegerHandler r;
682	<
683	<	f = new CompletableFuture<>();
684	<	f.completeExceptionally(new CFException());
685	<	g = f.handle(r = new IntegerHandler());
686	<	assertTrue(r.ran);
687	<	checkCompletedNormally(g, three);
688	<
689	<	f = new CompletableFuture<>();
690	<	g = f.handle(r = new IntegerHandler());
691	<	assertFalse(r.ran);
692	<	f.completeExceptionally(new CFException());
693	<	checkCompletedNormally(g, three);
694	<	assertTrue(r.ran);
695	<
696	<	f = new CompletableFuture<>();
697	<	f.complete(one);
698	<	g = f.handle(r = new IntegerHandler());
699	<	assertTrue(r.ran);
700	<	checkCompletedNormally(g, two);
701	<
702	<	f = new CompletableFuture<>();
703	<	g = f.handle(r = new IntegerHandler());
704	<	assertFalse(r.ran);
705	<	f.complete(one);
706	<	assertTrue(r.ran);
707	<	checkCompletedNormally(g, two);
708	<	}
709	<
710	<	/**
711	<	* runAsync completes after running Runnable
712	<	*/
713	<	public void testRunAsync() {
714	<	Noop r = new Noop();
715	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
716	<	assertNull(f.join());
717	<	assertTrue(r.ran);
718	<	checkCompletedNormally(f, null);
719	<	}
720	<
721	<	/**
722	<	* runAsync with executor completes after running Runnable
723	<	*/
724	<	public void testRunAsync2() {
725	<	Noop r = new Noop();
726	<	ThreadExecutor exec = new ThreadExecutor();
727	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
728	<	assertNull(f.join());
729	<	assertTrue(r.ran);
730	<	checkCompletedNormally(f, null);
731	<	assertEquals(1, exec.count.get());
732	<	}
733	<
734	<	/**
735	<	* failing runAsync completes exceptionally after running Runnable
736	<	*/
737	<	public void testRunAsync3() {
738	<	FailingNoop r = new FailingNoop();
739	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
740	<	checkCompletedWithWrappedCFException(f);
741	<	assertTrue(r.ran);
742	<	}
743	<
744	<	/**
745	<	* supplyAsync completes with result of supplier
746	<	*/
747	<	public void testSupplyAsync() {
748	<	CompletableFuture<Integer> f;
749	<	f = CompletableFuture.supplyAsync(supplyOne);
750	<	assertEquals(f.join(), one);
751	<	checkCompletedNormally(f, one);
752	<	}
753	<
754	<	/**
755	<	* supplyAsync with executor completes with result of supplier
756	<	*/
757	<	public void testSupplyAsync2() {
758	<	CompletableFuture<Integer> f;
759	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
760	<	assertEquals(f.join(), one);
761	<	checkCompletedNormally(f, one);
762	<	}
763	<
764	<	/**
765	<	* Failing supplyAsync completes exceptionally
766	<	*/
767	<	public void testSupplyAsync3() {
768	<	FailingSupplier r = new FailingSupplier();
769	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
770	<	checkCompletedWithWrappedCFException(f);
771	<	assertTrue(r.ran);
772	<	}
773	<
774	<	// seq completion methods
775	<
776	<	/**
777	<	* thenRun result completes normally after normal completion of source
778	<	*/
779	<	public void testThenRun() {
780	<	CompletableFuture<Integer> f;
781	<	CompletableFuture<Void> g;
782	<	Noop r;
783	<
784	<	f = new CompletableFuture<>();
785	<	g = f.thenRun(r = new Noop());
786	<	f.complete(null);
787	<	checkCompletedNormally(g, null);
788	<	assertTrue(r.ran);
789	<
790	<	f = new CompletableFuture<>();
791	<	f.complete(null);
792	<	g = f.thenRun(r = new Noop());
793	<	checkCompletedNormally(g, null);
794	<	assertTrue(r.ran);
795	<	}
796	<
797	<	/**
798	<	* thenRun result completes exceptionally after exceptional
799	<	* completion of source
800	<	*/
801	<	public void testThenRun2() {
802	<	CompletableFuture<Integer> f;
803	<	CompletableFuture<Void> g;
804	<	Noop r;
805	<
806	<	f = new CompletableFuture<>();
807	<	g = f.thenRun(r = new Noop());
808	<	f.completeExceptionally(new CFException());
809	<	checkCompletedWithWrappedCFException(g);
810	<	assertFalse(r.ran);
811	<
812	<	f = new CompletableFuture<>();
813	<	f.completeExceptionally(new CFException());
814	<	g = f.thenRun(r = new Noop());
815	<	checkCompletedWithWrappedCFException(g);
816	<	assertFalse(r.ran);
838	>	CompletionStage<? extends T> g,
839	>	Function<? super T,U> a);
840		}
841
842		/**
843	<	* thenRun result completes exceptionally if action does
843	>	* exceptionally action is not invoked when source completes
844	>	* normally, and source result is propagated
845		*/
846	<	public void testThenRun3() {
847	<	CompletableFuture<Integer> f;
848	<	CompletableFuture<Void> g;
849	<	FailingNoop r;
850	<
851	<	f = new CompletableFuture<>();
852	<	g = f.thenRun(r = new FailingNoop());
853	<	f.complete(null);
854	<	checkCompletedWithWrappedCFException(g);
846	>	public void testExceptionally_normalCompletion() {
847	>	for (boolean createIncomplete : new boolean[] { true, false })
848	>	for (Integer v1 : new Integer[] { 1, null })
849	>	{
850	>	final AtomicInteger a = new AtomicInteger(0);
851	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
852	>	if (!createIncomplete) assertTrue(f.complete(v1));
853	>	final CompletableFuture<Integer> g = f.exceptionally
854	>	((Throwable t) -> {
855	>	a.getAndIncrement();
856	>	threadFail("should not be called");
857	>	return null;            // unreached
858	>	});
859	>	if (createIncomplete) assertTrue(f.complete(v1));
860
861	<	f = new CompletableFuture<>();
862	<	f.complete(null);
863	<	g = f.thenRun(r = new FailingNoop());
864	<	checkCompletedWithWrappedCFException(g);
836	<	}
861	>	checkCompletedNormally(g, v1);
862	>	checkCompletedNormally(f, v1);
863	>	assertEquals(0, a.get());
864	>	}}
865
866		/**
867	<	* thenRun result completes exceptionally if source cancelled
867	>	* exceptionally action completes with function value on source
868	>	* exception
869		*/
870	<	public void testThenRun4() {
871	<	CompletableFuture<Integer> f;
872	<	CompletableFuture<Void> g;
873	<	Noop r;
874	<
875	<	f = new CompletableFuture<>();
876	<	g = f.thenRun(r = new Noop());
877	<	assertTrue(f.cancel(true));
878	<	checkCompletedWithWrappedCancellationException(g);
870	>	public void testExceptionally_exceptionalCompletion() {
871	>	for (boolean createIncomplete : new boolean[] { true, false })
872	>	for (Integer v1 : new Integer[] { 1, null })
873	>	{
874	>	final AtomicInteger a = new AtomicInteger(0);
875	>	final CFException ex = new CFException();
876	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
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;
884	>	});
885	>	if (createIncomplete) f.completeExceptionally(ex);
886
887	<	f = new CompletableFuture<>();
888	<	assertTrue(f.cancel(true));
889	<	g = f.thenRun(r = new Noop());
854	<	checkCompletedWithWrappedCancellationException(g);
855	<	}
887	>	checkCompletedNormally(g, v1);
888	>	assertEquals(1, a.get());
889	>	}}
890
891		/**
892	<	* thenApply result completes normally after normal completion of source
892	>	* If an "exceptionally action" throws an exception, it completes
893	>	* exceptionally with that exception
894		*/
895	<	public void testThenApply() {
896	<	CompletableFuture<Integer> f = new CompletableFuture<>();
897	<	CompletableFuture<Integer> g = f.thenApply(inc);
898	<	f.complete(one);
899	<	checkCompletedNormally(g, two);
900	<	}
895	>	public void testExceptionally_exceptionalCompletionActionFailed() {
896	>	for (boolean createIncomplete : new boolean[] { true, false })
897	>	{
898	>	final AtomicInteger a = new AtomicInteger(0);
899	>	final CFException ex1 = new CFException();
900	>	final CFException ex2 = new CFException();
901	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
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	<	/**
913	<	* thenApply result completes exceptionally after exceptional
914	<	* completion of source
915	<	*/
871	<	public void testThenApply2() {
872	<	CompletableFuture<Integer> f = new CompletableFuture<>();
873	<	CompletableFuture<Integer> g = f.thenApply(inc);
874	<	f.completeExceptionally(new CFException());
875	<	checkCompletedWithWrappedCFException(g);
876	<	}
912	>	checkCompletedWithWrappedException(g, ex2);
913	>	checkCompletedExceptionally(f, ex1);
914	>	assertEquals(1, a.get());
915	>	}}
916
917		/**
918	<	* thenApply result completes exceptionally if action does
918	>	* whenComplete action executes on normal completion, propagating
919	>	* source result.
920		*/
921	<	public void testThenApply3() {
922	<	CompletableFuture<Integer> f = new CompletableFuture<>();
923	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
924	<	f.complete(one);
925	<	checkCompletedWithWrappedCFException(g);
926	<	}
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	<	/**
940	<	* thenApply result completes exceptionally if source cancelled
941	<	*/
942	<	public void testThenApply4() {
892	<	CompletableFuture<Integer> f = new CompletableFuture<>();
893	<	CompletableFuture<Integer> g = f.thenApply(inc);
894	<	assertTrue(f.cancel(true));
895	<	checkCompletedWithWrappedCancellationException(g);
896	<	}
939	>	checkCompletedNormally(g, v1);
940	>	checkCompletedNormally(f, v1);
941	>	assertEquals(1, a.get());
942	>	}}
943
944		/**
945	<	* thenAccept result completes normally after normal completion of source
945	>	* whenComplete action executes on exceptional completion, propagating
946	>	* source result.
947		*/
948	<	public void testThenAccept() {
949	<	CompletableFuture<Integer> f = new CompletableFuture<>();
950	<	IncAction r = new IncAction();
951	<	CompletableFuture<Void> g = f.thenAccept(r);
952	<	f.complete(one);
953	<	checkCompletedNormally(g, null);
954	<	assertEquals(r.value, (Integer) 2);
955	<	}
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	<	/**
967	<	* thenAccept result completes exceptionally after exceptional
968	<	* completion of source
969	<	*/
914	<	public void testThenAccept2() {
915	<	CompletableFuture<Integer> f = new CompletableFuture<>();
916	<	IncAction r = new IncAction();
917	<	CompletableFuture<Void> g = f.thenAccept(r);
918	<	f.completeExceptionally(new CFException());
919	<	checkCompletedWithWrappedCFException(g);
920	<	}
966	>	checkCompletedWithWrappedException(g, ex);
967	>	checkCompletedExceptionally(f, ex);
968	>	assertEquals(1, a.get());
969	>	}}
970
971		/**
972	<	* thenAccept result completes exceptionally if action does
972	>	* whenComplete action executes on cancelled source, propagating
973	>	* CancellationException.
974		*/
975	<	public void testThenAccept3() {
976	<	CompletableFuture<Integer> f = new CompletableFuture<>();
977	<	FailingConsumer r = new FailingConsumer();
978	<	CompletableFuture<Void> g = f.thenAccept(r);
979	<	f.complete(one);
980	<	checkCompletedWithWrappedCFException(g);
981	<	assertTrue(r.ran);
982	<	}
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
934	–	/**
935	–	* thenAccept result completes exceptionally if source cancelled
936	–	*/
937	–	public void testThenAccept4() {
938	–	CompletableFuture<Integer> f = new CompletableFuture<>();
939	–	IncAction r = new IncAction();
940	–	CompletableFuture<Void> g = f.thenAccept(r);
941	–	assertTrue(f.cancel(true));
993		checkCompletedWithWrappedCancellationException(g);
994	<	}
994	>	checkCancelled(f);
995	>	assertEquals(1, a.get());
996	>	}}
997
998		/**
999	<	* thenCombine result completes normally after normal completion
1000	<	* of sources
999	>	* If a whenComplete action throws an exception when triggered by
1000	>	* a normal completion, it completes exceptionally
1001		*/
1002	<	public void testThenCombine_normalCompletion1() {
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	<	for (Integer v2 : new Integer[] { 2, null }) {
1007	<
1008	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
955	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
956	<	final SubtractFunction r = new SubtractFunction();
957	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
958	<
959	<	f.complete(v1);
960	<	checkIncomplete(h);
961	<	assertEquals(r.invocationCount, 0);
962	<	g.complete(v2);
963	<
964	<	checkCompletedNormally(h, subtract(v1, v2));
965	<	checkCompletedNormally(f, v1);
966	<	checkCompletedNormally(g, v2);
967	<	assertEquals(r.invocationCount, 1);
968	<	}
969	<	}
970	<
971	<	public void testThenCombine_normalCompletion2() {
972	<	for (ExecutionMode m : ExecutionMode.values())
973	<	for (Integer v1 : new Integer[] { 1, null })
974	<	for (Integer v2 : new Integer[] { 2, null }) {
975	<
1006	>	{
1007	>	final AtomicInteger a = new AtomicInteger(0);
1008	>	final CFException ex = new CFException();
1009		final CompletableFuture<Integer> f = new CompletableFuture<>();
1010	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1011	<	final SubtractFunction r = new SubtractFunction();
1012	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1013	<
1014	<	g.complete(v2);
1015	<	checkIncomplete(h);
1016	<	assertEquals(r.invocationCount, 0);
1017	<	f.complete(v1);
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	<	checkCompletedNormally(h, subtract(v1, v2));
1022	>	checkCompletedWithWrappedException(g, ex);
1023		checkCompletedNormally(f, v1);
1024	<	checkCompletedNormally(g, v2);
1025	<	assertEquals(r.invocationCount, 1);
990	<	}
991	<	}
1024	>	assertEquals(1, a.get());
1025	>	}}
1026
1027	<	public void testThenCombine_normalCompletion3() {
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	<	for (Integer v1 : new Integer[] { 1, null })
1036	<	for (Integer v2 : new Integer[] { 2, null }) {
1037	<
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<>();
999	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1000	–	final SubtractFunction r = new SubtractFunction();
1040
1041	<	g.complete(v2);
1042	<	f.complete(v1);
1043	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
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	<	checkCompletedNormally(h, subtract(v1, v2));
1054	<	checkCompletedNormally(f, v1);
1055	<	checkCompletedNormally(g, v2);
1056	<	assertEquals(r.invocationCount, 1);
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	<	}
1059	>	assertEquals(1, a.get());
1060	>	}}
1061
1062	<	public void testThenCombine_normalCompletion4() {
1062	>	/**
1063	>	* handle action completes normally with function value on normal
1064	>	* completion of source
1065	>	*/
1066	>	public void testHandle_normalCompletion() {
1067		for (ExecutionMode m : ExecutionMode.values())
1068	+	for (boolean createIncomplete : new boolean[] { true, false })
1069		for (Integer v1 : new Integer[] { 1, null })
1070	<	for (Integer v2 : new Integer[] { 2, null }) {
1017	<
1070	>	{
1071		final CompletableFuture<Integer> f = new CompletableFuture<>();
1072	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1073	<	final SubtractFunction r = new SubtractFunction();
1074	<
1075	<	f.complete(v1);
1076	<	g.complete(v2);
1077	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1072	>	final AtomicInteger a = new AtomicInteger(0);
1073	>	if (!createIncomplete) assertTrue(f.complete(v1));
1074	>	final CompletableFuture<Integer> g = m.handle
1075	>	(f,
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) assertTrue(f.complete(v1));
1084
1085	<	checkCompletedNormally(h, subtract(v1, v2));
1085	>	checkCompletedNormally(g, inc(v1));
1086		checkCompletedNormally(f, v1);
1087	<	checkCompletedNormally(g, v2);
1088	<	assertEquals(r.invocationCount, 1);
1030	<	}
1031	<	}
1087	>	assertEquals(1, a.get());
1088	>	}}
1089
1090		/**
1091	<	* thenCombine result completes exceptionally after exceptional
1092	<	* completion of either source
1091	>	* handle action completes normally with function value on
1092	>	* exceptional completion of source
1093		*/
1094	<	public void testThenCombine_exceptionalCompletion1() {
1094	>	public void testHandle_exceptionalCompletion() {
1095		for (ExecutionMode m : ExecutionMode.values())
1096	<	for (Integer v1 : new Integer[] { 1, null }) {
1097	<
1096	>	for (boolean createIncomplete : new boolean[] { true, false })
1097	>	for (Integer v1 : new Integer[] { 1, null })
1098	>	{
1099		final CompletableFuture<Integer> f = new CompletableFuture<>();
1100	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1043	<	final SubtractFunction r = new SubtractFunction();
1044	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1100	>	final AtomicInteger a = new AtomicInteger(0);
1101		final CFException ex = new CFException();
1102	+	if (!createIncomplete) f.completeExceptionally(ex);
1103	+	final CompletableFuture<Integer> g = m.handle
1104	+	(f,
1105	+	(Integer result, Throwable t) -> {
1106	+	m.checkExecutionMode();
1107	+	threadAssertNull(result);
1108	+	threadAssertSame(t, ex);
1109	+	a.getAndIncrement();
1110	+	return v1;
1111	+	});
1112	+	if (createIncomplete) f.completeExceptionally(ex);
1113
1047	–	f.completeExceptionally(ex);
1048	–	checkIncomplete(h);
1049	–	g.complete(v1);
1050	–
1051	–	checkCompletedWithWrappedCFException(h, ex);
1052	–	checkCompletedWithWrappedCFException(f, ex);
1053	–	assertEquals(r.invocationCount, 0);
1114		checkCompletedNormally(g, v1);
1115	<	}
1116	<	}
1115	>	checkCompletedExceptionally(f, ex);
1116	>	assertEquals(1, a.get());
1117	>	}}
1118
1119	<	public void testThenCombine_exceptionalCompletion2() {
1119	>	/**
1120	>	* handle action completes normally with function value on
1121	>	* cancelled source
1122	>	*/
1123	>	public void testHandle_sourceCancelled() {
1124		for (ExecutionMode m : ExecutionMode.values())
1125	<	for (Integer v1 : new Integer[] { 1, null }) {
1126	<
1125	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1126	>	for (boolean createIncomplete : new boolean[] { true, false })
1127	>	for (Integer v1 : new Integer[] { 1, null })
1128	>	{
1129		final CompletableFuture<Integer> f = new CompletableFuture<>();
1130	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1131	<	final SubtractFunction r = new SubtractFunction();
1132	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1133	<	final CFException ex = new CFException();
1134	<
1135	<	g.completeExceptionally(ex);
1136	<	checkIncomplete(h);
1137	<	f.complete(v1);
1130	>	final AtomicInteger a = new AtomicInteger(0);
1131	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1132	>	final CompletableFuture<Integer> g = m.handle
1133	>	(f,
1134	>	(Integer result, Throwable t) -> {
1135	>	m.checkExecutionMode();
1136	>	threadAssertNull(result);
1137	>	threadAssertTrue(t instanceof CancellationException);
1138	>	a.getAndIncrement();
1139	>	return v1;
1140	>	});
1141	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1142
1143	<	checkCompletedWithWrappedCFException(h, ex);
1144	<	checkCompletedWithWrappedCFException(g, ex);
1145	<	assertEquals(r.invocationCount, 0);
1146	<	checkCompletedNormally(f, v1);
1076	<	}
1077	<	}
1143	>	checkCompletedNormally(g, v1);
1144	>	checkCancelled(f);
1145	>	assertEquals(1, a.get());
1146	>	}}
1147
1148	<	public void testThenCombine_exceptionalCompletion3() {
1148	>	/**
1149	>	* If a "handle action" throws an exception when triggered by
1150	>	* a normal completion, it completes exceptionally
1151	>	*/
1152	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1153		for (ExecutionMode m : ExecutionMode.values())
1154	<	for (Integer v1 : new Integer[] { 1, null }) {
1155	<
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 CompletableFuture<Integer> g = new CompletableFuture<>();
1085	<	final SubtractFunction r = new SubtractFunction();
1158	>	final AtomicInteger a = new AtomicInteger(0);
1159		final CFException ex = new CFException();
1160	+	if (!createIncomplete) assertTrue(f.complete(v1));
1161	+	final CompletableFuture<Integer> g = m.handle
1162	+	(f,
1163	+	(Integer result, Throwable t) -> {
1164	+	m.checkExecutionMode();
1165	+	threadAssertSame(result, v1);
1166	+	threadAssertNull(t);
1167	+	a.getAndIncrement();
1168	+	throw ex;
1169	+	});
1170	+	if (createIncomplete) assertTrue(f.complete(v1));
1171
1172	<	g.completeExceptionally(ex);
1089	<	f.complete(v1);
1090	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1091	<
1092	<	checkCompletedWithWrappedCFException(h, ex);
1093	<	checkCompletedWithWrappedCFException(g, ex);
1094	<	assertEquals(r.invocationCount, 0);
1172	>	checkCompletedWithWrappedException(g, ex);
1173		checkCompletedNormally(f, v1);
1174	<	}
1175	<	}
1174	>	assertEquals(1, a.get());
1175	>	}}
1176
1177	<	public void testThenCombine_exceptionalCompletion4() {
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 (ExecutionMode m : ExecutionMode.values())
1185	<	for (Integer v1 : new Integer[] { 1, null }) {
1186	<
1185	>	{
1186	>	final AtomicInteger a = new AtomicInteger(0);
1187	>	final CFException ex1 = new CFException();
1188	>	final CFException ex2 = new CFException();
1189		final CompletableFuture<Integer> f = new CompletableFuture<>();
1104	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1105	–	final SubtractFunction r = new SubtractFunction();
1106	–	final CFException ex = new CFException();
1190
1191	<	f.completeExceptionally(ex);
1192	<	g.complete(v1);
1193	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1191	>	if (!createIncomplete) f.completeExceptionally(ex1);
1192	>	final CompletableFuture<Integer> g = m.handle
1193	>	(f,
1194	>	(Integer result, Throwable t) -> {
1195	>	m.checkExecutionMode();
1196	>	threadAssertNull(result);
1197	>	threadAssertSame(ex1, t);
1198	>	a.getAndIncrement();
1199	>	throw ex2;
1200	>	});
1201	>	if (createIncomplete) f.completeExceptionally(ex1);
1202
1203	<	checkCompletedWithWrappedCFException(h, ex);
1204	<	checkCompletedWithWrappedCFException(f, ex);
1205	<	assertEquals(r.invocationCount, 0);
1206	<	checkCompletedNormally(g, v1);
1116	<	}
1117	<	}
1203	>	checkCompletedWithWrappedException(g, ex2);
1204	>	checkCompletedExceptionally(f, ex1);
1205	>	assertEquals(1, a.get());
1206	>	}}
1207
1208		/**
1209	<	* thenCombine result completes exceptionally if action does
1209	>	* runAsync completes after running Runnable
1210		*/
1211	<	public void testThenCombine_actionFailed1() {
1212	<	for (ExecutionMode m : ExecutionMode.values())
1213	<	for (Integer v1 : new Integer[] { 1, null })
1214	<	for (Integer v2 : new Integer[] { 2, null }) {
1215	<
1216	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1217	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1218	<	final FailingBiFunction r = new FailingBiFunction();
1219	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
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());
1221	>	checkCompletedNormally(f, null);
1222	>	r.assertInvoked();
1223	>	}}
1224
1225	<	f.complete(v1);
1226	<	checkIncomplete(h);
1227	<	g.complete(v2);
1225	>	/**
1226	>	* failing runAsync completes exceptionally after running Runnable
1227	>	*/
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	<	checkCompletedWithWrappedCFException(h);
1242	<	checkCompletedNormally(f, v1);
1243	<	checkCompletedNormally(g, v2);
1241	>	public void testRunAsync_rejectingExecutor() {
1242	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1243	>	try {
1244	>	CompletableFuture.runAsync(() -> {}, e);
1245	>	shouldThrow();
1246	>	} catch (Throwable t) {
1247	>	assertSame(e.ex, t);
1248		}
1249	+
1250	+	assertEquals(1, e.count.get());
1251		}
1252
1253	<	public void testThenCombine_actionFailed2() {
1254	<	for (ExecutionMode m : ExecutionMode.values())
1253	>	/**
1254	>	* supplyAsync completes with result of supplier
1255	>	*/
1256	>	public void testSupplyAsync_normalCompletion() {
1257	>	ExecutionMode[] executionModes = {
1258	>	ExecutionMode.ASYNC,
1259	>	ExecutionMode.EXECUTOR,
1260	>	};
1261	>	for (ExecutionMode m : executionModes)
1262		for (Integer v1 : new Integer[] { 1, null })
1263	<	for (Integer v2 : new Integer[] { 2, null }) {
1264	<
1265	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1266	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1149	<	final FailingBiFunction r = new FailingBiFunction();
1150	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1151	<
1152	<	g.complete(v2);
1153	<	checkIncomplete(h);
1154	<	f.complete(v1);
1155	<
1156	<	checkCompletedWithWrappedCFException(h);
1263	>	{
1264	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1265	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1266	>	assertSame(v1, f.join());
1267		checkCompletedNormally(f, v1);
1268	<	checkCompletedNormally(g, v2);
1269	<	}
1160	<	}
1268	>	r.assertInvoked();
1269	>	}}
1270
1271		/**
1272	<	* thenCombine result completes exceptionally if either source cancelled
1272	>	* Failing supplyAsync completes exceptionally
1273		*/
1274	<	public void testThenCombine_sourceCancelled1() {
1275	<	for (ExecutionMode m : ExecutionMode.values())
1276	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1277	<	for (Integer v1 : new Integer[] { 1, null }) {
1278	<
1279	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1280	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1281	<	final SubtractFunction r = new SubtractFunction();
1282	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1283	<
1284	<	assertTrue(f.cancel(mayInterruptIfRunning));
1285	<	checkIncomplete(h);
1177	<	g.complete(v1);
1274	>	public void testSupplyAsync_exceptionalCompletion() {
1275	>	ExecutionMode[] executionModes = {
1276	>	ExecutionMode.ASYNC,
1277	>	ExecutionMode.EXECUTOR,
1278	>	};
1279	>	for (ExecutionMode m : executionModes)
1280	>	{
1281	>	FailingSupplier r = new FailingSupplier(m);
1282	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1283	>	checkCompletedWithWrappedException(f, r.ex);
1284	>	r.assertInvoked();
1285	>	}}
1286
1287	<	checkCompletedWithWrappedCancellationException(h);
1288	<	checkCancelled(f);
1289	<	assertEquals(r.invocationCount, 0);
1290	<	checkCompletedNormally(g, v1);
1287	>	public void testSupplyAsync_rejectingExecutor() {
1288	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1289	>	try {
1290	>	CompletableFuture.supplyAsync(() -> null, e);
1291	>	shouldThrow();
1292	>	} catch (Throwable t) {
1293	>	assertSame(e.ex, t);
1294		}
1295	+
1296	+	assertEquals(1, e.count.get());
1297		}
1298
1299	<	public void testThenCombine_sourceCancelled2() {
1187	<	for (ExecutionMode m : ExecutionMode.values())
1188	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1189	<	for (Integer v1 : new Integer[] { 1, null }) {
1299	>	// seq completion methods
1300
1301	+	/**
1302	+	* thenRun result completes normally after normal completion of source
1303	+	*/
1304	+	public void testThenRun_normalCompletion() {
1305	+	for (ExecutionMode m : ExecutionMode.values())
1306	+	for (Integer v1 : new Integer[] { 1, null })
1307	+	{
1308		final CompletableFuture<Integer> f = new CompletableFuture<>();
1309	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1310	<	final SubtractFunction r = new SubtractFunction();
1194	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1309	>	final Noop[] rs = new Noop[6];
1310	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1311
1312	<	assertTrue(g.cancel(mayInterruptIfRunning));
1313	<	checkIncomplete(h);
1314	<	f.complete(v1);
1315	<
1316	<	checkCompletedWithWrappedCancellationException(h);
1317	<	checkCancelled(g);
1318	<	assertEquals(r.invocationCount, 0);
1312	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1313	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1314	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1315	>	checkIncomplete(h0);
1316	>	checkIncomplete(h1);
1317	>	checkIncomplete(h2);
1318	>	assertTrue(f.complete(v1));
1319	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1320	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1321	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1322	>
1323	>	checkCompletedNormally(h0, null);
1324	>	checkCompletedNormally(h1, null);
1325	>	checkCompletedNormally(h2, null);
1326	>	checkCompletedNormally(h3, null);
1327	>	checkCompletedNormally(h4, null);
1328	>	checkCompletedNormally(h5, null);
1329		checkCompletedNormally(f, v1);
1330	<	}
1331	<	}
1330	>	for (Noop r : rs) r.assertInvoked();
1331	>	}}
1332
1333	<	public void testThenCombine_sourceCancelled3() {
1333	>	/**
1334	>	* thenRun result completes exceptionally after exceptional
1335	>	* completion of source
1336	>	*/
1337	>	public void testThenRun_exceptionalCompletion() {
1338		for (ExecutionMode m : ExecutionMode.values())
1339	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1340	<	for (Integer v1 : new Integer[] { 1, null }) {
1211	<
1339	>	{
1340	>	final CFException ex = new CFException();
1341		final CompletableFuture<Integer> f = new CompletableFuture<>();
1342	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1343	<	final SubtractFunction r = new SubtractFunction();
1342	>	final Noop[] rs = new Noop[6];
1343	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1344
1345	<	assertTrue(g.cancel(mayInterruptIfRunning));
1346	<	f.complete(v1);
1347	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1348	<
1349	<	checkCompletedWithWrappedCancellationException(h);
1350	<	checkCancelled(g);
1351	<	assertEquals(r.invocationCount, 0);
1352	<	checkCompletedNormally(f, v1);
1353	<	}
1354	<	}
1345	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1346	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1347	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1348	>	checkIncomplete(h0);
1349	>	checkIncomplete(h1);
1350	>	checkIncomplete(h2);
1351	>	assertTrue(f.completeExceptionally(ex));
1352	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1353	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1354	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1355	>
1356	>	checkCompletedWithWrappedException(h0, ex);
1357	>	checkCompletedWithWrappedException(h1, ex);
1358	>	checkCompletedWithWrappedException(h2, ex);
1359	>	checkCompletedWithWrappedException(h3, ex);
1360	>	checkCompletedWithWrappedException(h4, ex);
1361	>	checkCompletedWithWrappedException(h5, ex);
1362	>	checkCompletedExceptionally(f, ex);
1363	>	for (Noop r : rs) r.assertNotInvoked();
1364	>	}}
1365
1366	<	public void testThenCombine_sourceCancelled4() {
1366	>	/**
1367	>	* thenRun result completes exceptionally if source cancelled
1368	>	*/
1369	>	public void testThenRun_sourceCancelled() {
1370		for (ExecutionMode m : ExecutionMode.values())
1371		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1372	<	for (Integer v1 : new Integer[] { 1, null }) {
1231	<
1372	>	{
1373		final CompletableFuture<Integer> f = new CompletableFuture<>();
1374	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1375	<	final SubtractFunction r = new SubtractFunction();
1374	>	final Noop[] rs = new Noop[6];
1375	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1376
1377	+	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1378	+	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1379	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1380	+	checkIncomplete(h0);
1381	+	checkIncomplete(h1);
1382	+	checkIncomplete(h2);
1383		assertTrue(f.cancel(mayInterruptIfRunning));
1384	<	g.complete(v1);
1385	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1386	<
1387	<	checkCompletedWithWrappedCancellationException(h);
1384	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1385	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1386	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1387	>
1388	>	checkCompletedWithWrappedCancellationException(h0);
1389	>	checkCompletedWithWrappedCancellationException(h1);
1390	>	checkCompletedWithWrappedCancellationException(h2);
1391	>	checkCompletedWithWrappedCancellationException(h3);
1392	>	checkCompletedWithWrappedCancellationException(h4);
1393	>	checkCompletedWithWrappedCancellationException(h5);
1394		checkCancelled(f);
1395	<	assertEquals(r.invocationCount, 0);
1396	<	checkCompletedNormally(g, v1);
1244	<	}
1245	<	}
1395	>	for (Noop r : rs) r.assertNotInvoked();
1396	>	}}
1397
1398		/**
1399	<	* thenAcceptBoth result completes normally after normal
1249	<	* completion of sources
1399	>	* thenRun result completes exceptionally if action does
1400		*/
1401	<	public void testThenAcceptBoth_normalCompletion1() {
1401	>	public void testThenRun_actionFailed() {
1402		for (ExecutionMode m : ExecutionMode.values())
1403		for (Integer v1 : new Integer[] { 1, null })
1404	<	for (Integer v2 : new Integer[] { 2, null }) {
1255	<
1404	>	{
1405		final CompletableFuture<Integer> f = new CompletableFuture<>();
1406	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1407	<	final SubtractAction r = new SubtractAction();
1259	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1406	>	final FailingRunnable[] rs = new FailingRunnable[6];
1407	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1408
1409	<	f.complete(v1);
1410	<	checkIncomplete(h);
1411	<	assertFalse(r.ran());
1412	<	g.complete(v2);
1413	<
1414	<	checkCompletedNormally(h, null);
1415	<	assertEquals(r.value, subtract(v1, v2));
1409	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1410	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1411	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1412	>	assertTrue(f.complete(v1));
1413	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1414	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1415	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1416	>
1417	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1418	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1419	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1420	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1421	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1422	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1423		checkCompletedNormally(f, v1);
1424	<	checkCompletedNormally(g, v2);
1270	<	}
1271	<	}
1424	>	}}
1425
1426	<	public void testThenAcceptBoth_normalCompletion2() {
1427	<	for (ExecutionMode m : ExecutionMode.values())
1428	<	for (Integer v1 : new Integer[] { 1, null })
1429	<	for (Integer v2 : new Integer[] { 2, null }) {
1277	<
1278	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1279	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1280	<	final SubtractAction r = new SubtractAction();
1281	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1282	<
1283	<	g.complete(v2);
1284	<	checkIncomplete(h);
1285	<	assertFalse(r.ran());
1286	<	f.complete(v1);
1287	<
1288	<	checkCompletedNormally(h, null);
1289	<	assertEquals(r.value, subtract(v1, v2));
1290	<	checkCompletedNormally(f, v1);
1291	<	checkCompletedNormally(g, v2);
1292	<	}
1293	<	}
1294	<
1295	<	public void testThenAcceptBoth_normalCompletion3() {
1296	<	for (ExecutionMode m : ExecutionMode.values())
1297	<	for (Integer v1 : new Integer[] { 1, null })
1298	<	for (Integer v2 : new Integer[] { 2, null }) {
1299	<
1300	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1301	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1302	<	final SubtractAction r = new SubtractAction();
1303	<
1304	<	g.complete(v2);
1305	<	f.complete(v1);
1306	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1307	<
1308	<	checkCompletedNormally(h, null);
1309	<	assertEquals(r.value, subtract(v1, v2));
1310	<	checkCompletedNormally(f, v1);
1311	<	checkCompletedNormally(g, v2);
1312	<	}
1313	<	}
1314	<
1315	<	public void testThenAcceptBoth_normalCompletion4() {
1426	>	/**
1427	>	* thenApply result completes normally after normal completion of source
1428	>	*/
1429	>	public void testThenApply_normalCompletion() {
1430		for (ExecutionMode m : ExecutionMode.values())
1431		for (Integer v1 : new Integer[] { 1, null })
1432	<	for (Integer v2 : new Integer[] { 2, null }) {
1319	<
1432	>	{
1433		final CompletableFuture<Integer> f = new CompletableFuture<>();
1434	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1435	<	final SubtractAction r = new SubtractAction();
1434	>	final IncFunction[] rs = new IncFunction[4];
1435	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1436
1437	<	f.complete(v1);
1438	<	g.complete(v2);
1439	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1440	<
1441	<	checkCompletedNormally(h, null);
1442	<	assertEquals(r.value, subtract(v1, v2));
1437	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1438	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1439	>	checkIncomplete(h0);
1440	>	checkIncomplete(h1);
1441	>	assertTrue(f.complete(v1));
1442	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1443	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1444	>
1445	>	checkCompletedNormally(h0, inc(v1));
1446	>	checkCompletedNormally(h1, inc(v1));
1447	>	checkCompletedNormally(h2, inc(v1));
1448	>	checkCompletedNormally(h3, inc(v1));
1449		checkCompletedNormally(f, v1);
1450	<	checkCompletedNormally(g, v2);
1451	<	}
1333	<	}
1450	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1451	>	}}
1452
1453		/**
1454	<	* thenAcceptBoth result completes exceptionally after exceptional
1455	<	* completion of either source
1454	>	* thenApply result completes exceptionally after exceptional
1455	>	* completion of source
1456		*/
1457	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1457	>	public void testThenApply_exceptionalCompletion() {
1458		for (ExecutionMode m : ExecutionMode.values())
1459	<	for (Integer v1 : new Integer[] { 1, null }) {
1342	<
1343	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1344	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1345	<	final SubtractAction r = new SubtractAction();
1346	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1459	>	{
1460		final CFException ex = new CFException();
1348	–
1349	–	f.completeExceptionally(ex);
1350	–	checkIncomplete(h);
1351	–	g.complete(v1);
1352	–
1353	–	checkCompletedWithWrappedCFException(h, ex);
1354	–	checkCompletedWithWrappedCFException(f, ex);
1355	–	assertEquals(r.invocationCount, 0);
1356	–	checkCompletedNormally(g, v1);
1357	–	}
1358	–	}
1359	–
1360	–	public void testThenAcceptBoth_exceptionalCompletion2() {
1361	–	for (ExecutionMode m : ExecutionMode.values())
1362	–	for (Integer v1 : new Integer[] { 1, null }) {
1363	–
1461		final CompletableFuture<Integer> f = new CompletableFuture<>();
1462	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1463	<	final SubtractAction r = new SubtractAction();
1367	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1368	<	final CFException ex = new CFException();
1462	>	final IncFunction[] rs = new IncFunction[4];
1463	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1464
1465	<	g.completeExceptionally(ex);
1466	<	checkIncomplete(h);
1467	<	f.complete(v1);
1465	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1466	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1467	>	assertTrue(f.completeExceptionally(ex));
1468	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1469	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1470	>
1471	>	checkCompletedWithWrappedException(h0, ex);
1472	>	checkCompletedWithWrappedException(h1, ex);
1473	>	checkCompletedWithWrappedException(h2, ex);
1474	>	checkCompletedWithWrappedException(h3, ex);
1475	>	checkCompletedExceptionally(f, ex);
1476	>	for (IncFunction r : rs) r.assertNotInvoked();
1477	>	}}
1478
1479	<	checkCompletedWithWrappedCFException(h, ex);
1480	<	checkCompletedWithWrappedCFException(g, ex);
1481	<	assertEquals(r.invocationCount, 0);
1482	<	checkCompletedNormally(f, v1);
1378	<	}
1379	<	}
1380	<
1381	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1479	>	/**
1480	>	* thenApply result completes exceptionally if source cancelled
1481	>	*/
1482	>	public void testThenApply_sourceCancelled() {
1483		for (ExecutionMode m : ExecutionMode.values())
1484	<	for (Integer v1 : new Integer[] { 1, null }) {
1485	<
1484	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1485	>	{
1486		final CompletableFuture<Integer> f = new CompletableFuture<>();
1487	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1488	<	final SubtractAction r = new SubtractAction();
1388	<	final CFException ex = new CFException();
1487	>	final IncFunction[] rs = new IncFunction[4];
1488	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1489
1490	<	g.completeExceptionally(ex);
1491	<	f.complete(v1);
1492	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1490	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1491	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1492	>	assertTrue(f.cancel(mayInterruptIfRunning));
1493	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1494	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1495
1496	<	checkCompletedWithWrappedCFException(h, ex);
1497	<	checkCompletedWithWrappedCFException(g, ex);
1498	<	assertEquals(r.invocationCount, 0);
1499	<	checkCompletedNormally(f, v1);
1500	<	}
1501	<	}
1496	>	checkCompletedWithWrappedCancellationException(h0);
1497	>	checkCompletedWithWrappedCancellationException(h1);
1498	>	checkCompletedWithWrappedCancellationException(h2);
1499	>	checkCompletedWithWrappedCancellationException(h3);
1500	>	checkCancelled(f);
1501	>	for (IncFunction r : rs) r.assertNotInvoked();
1502	>	}}
1503
1504	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1504	>	/**
1505	>	* thenApply result completes exceptionally if action does
1506	>	*/
1507	>	public void testThenApply_actionFailed() {
1508		for (ExecutionMode m : ExecutionMode.values())
1509	<	for (Integer v1 : new Integer[] { 1, null }) {
1510	<
1509	>	for (Integer v1 : new Integer[] { 1, null })
1510	>	{
1511		final CompletableFuture<Integer> f = new CompletableFuture<>();
1512	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1513	<	final SubtractAction r = new SubtractAction();
1408	<	final CFException ex = new CFException();
1512	>	final FailingFunction[] rs = new FailingFunction[4];
1513	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1514
1515	<	f.completeExceptionally(ex);
1516	<	g.complete(v1);
1517	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1518	<
1519	<	checkCompletedWithWrappedCFException(h, ex);
1520	<	checkCompletedWithWrappedCFException(f, ex);
1521	<	assertFalse(r.ran());
1522	<	checkCompletedNormally(g, v1);
1523	<	}
1524	<	}
1515	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1516	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1517	>	assertTrue(f.complete(v1));
1518	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1519	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1520	>
1521	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1522	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1523	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1524	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1525	>	checkCompletedNormally(f, v1);
1526	>	}}
1527
1528		/**
1529	<	* thenAcceptBoth result completes exceptionally if action does
1529	>	* thenAccept result completes normally after normal completion of source
1530		*/
1531	<	public void testThenAcceptBoth_actionFailed1() {
1531	>	public void testThenAccept_normalCompletion() {
1532		for (ExecutionMode m : ExecutionMode.values())
1533		for (Integer v1 : new Integer[] { 1, null })
1534	<	for (Integer v2 : new Integer[] { 2, null }) {
1428	<
1534	>	{
1535		final CompletableFuture<Integer> f = new CompletableFuture<>();
1536	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1537	<	final FailingBiConsumer r = new FailingBiConsumer();
1432	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1433	<
1434	<	f.complete(v1);
1435	<	checkIncomplete(h);
1436	<	g.complete(v2);
1536	>	final NoopConsumer[] rs = new NoopConsumer[4];
1537	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1538
1539	<	checkCompletedWithWrappedCFException(h);
1539	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1540	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1541	>	checkIncomplete(h0);
1542	>	checkIncomplete(h1);
1543	>	assertTrue(f.complete(v1));
1544	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1545	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1546	>
1547	>	checkCompletedNormally(h0, null);
1548	>	checkCompletedNormally(h1, null);
1549	>	checkCompletedNormally(h2, null);
1550	>	checkCompletedNormally(h3, null);
1551		checkCompletedNormally(f, v1);
1552	<	checkCompletedNormally(g, v2);
1553	<	}
1442	<	}
1552	>	for (NoopConsumer r : rs) r.assertValue(v1);
1553	>	}}
1554
1555	<	public void testThenAcceptBoth_actionFailed2() {
1555	>	/**
1556	>	* thenAccept result completes exceptionally after exceptional
1557	>	* completion of source
1558	>	*/
1559	>	public void testThenAccept_exceptionalCompletion() {
1560		for (ExecutionMode m : ExecutionMode.values())
1561	<	for (Integer v1 : new Integer[] { 1, null })
1562	<	for (Integer v2 : new Integer[] { 2, null }) {
1448	<
1561	>	{
1562	>	final CFException ex = new CFException();
1563		final CompletableFuture<Integer> f = new CompletableFuture<>();
1564	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1565	<	final FailingBiConsumer r = new FailingBiConsumer();
1452	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1564	>	final NoopConsumer[] rs = new NoopConsumer[4];
1565	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1566
1567	<	g.complete(v2);
1568	<	checkIncomplete(h);
1569	<	f.complete(v1);
1570	<
1571	<	checkCompletedWithWrappedCFException(h);
1572	<	checkCompletedNormally(f, v1);
1573	<	checkCompletedNormally(g, v2);
1574	<	}
1575	<	}
1567	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1568	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1569	>	assertTrue(f.completeExceptionally(ex));
1570	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1571	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1572	>
1573	>	checkCompletedWithWrappedException(h0, ex);
1574	>	checkCompletedWithWrappedException(h1, ex);
1575	>	checkCompletedWithWrappedException(h2, ex);
1576	>	checkCompletedWithWrappedException(h3, ex);
1577	>	checkCompletedExceptionally(f, ex);
1578	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1579	>	}}
1580
1581		/**
1582	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1582	>	* thenAccept result completes exceptionally if source cancelled
1583		*/
1584	<	public void testThenAcceptBoth_sourceCancelled1() {
1584	>	public void testThenAccept_sourceCancelled() {
1585		for (ExecutionMode m : ExecutionMode.values())
1586		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1587	<	for (Integer v1 : new Integer[] { 1, null }) {
1471	<
1587	>	{
1588		final CompletableFuture<Integer> f = new CompletableFuture<>();
1589	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1590	<	final SubtractAction r = new SubtractAction();
1475	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1589	>	final NoopConsumer[] rs = new NoopConsumer[4];
1590	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1591
1592	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1593	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1594		assertTrue(f.cancel(mayInterruptIfRunning));
1595	<	checkIncomplete(h);
1596	<	g.complete(v1);
1595	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1596	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1597
1598	<	checkCompletedWithWrappedCancellationException(h);
1598	>	checkCompletedWithWrappedCancellationException(h0);
1599	>	checkCompletedWithWrappedCancellationException(h1);
1600	>	checkCompletedWithWrappedCancellationException(h2);
1601	>	checkCompletedWithWrappedCancellationException(h3);
1602		checkCancelled(f);
1603	<	assertEquals(r.invocationCount, 0);
1604	<	checkCompletedNormally(g, v1);
1485	<	}
1486	<	}
1603	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1604	>	}}
1605
1606	<	public void testThenAcceptBoth_sourceCancelled2() {
1606	>	/**
1607	>	* thenAccept result completes exceptionally if action does
1608	>	*/
1609	>	public void testThenAccept_actionFailed() {
1610		for (ExecutionMode m : ExecutionMode.values())
1611	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1612	<	for (Integer v1 : new Integer[] { 1, null }) {
1492	<
1611	>	for (Integer v1 : new Integer[] { 1, null })
1612	>	{
1613		final CompletableFuture<Integer> f = new CompletableFuture<>();
1614	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1615	<	final SubtractAction r = new SubtractAction();
1496	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1497	<
1498	<	assertTrue(g.cancel(mayInterruptIfRunning));
1499	<	checkIncomplete(h);
1500	<	f.complete(v1);
1614	>	final FailingConsumer[] rs = new FailingConsumer[4];
1615	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1616
1617	<	checkCompletedWithWrappedCancellationException(h);
1618	<	checkCancelled(g);
1619	<	assertEquals(r.invocationCount, 0);
1617	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1618	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1619	>	assertTrue(f.complete(v1));
1620	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1621	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1622	>
1623	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1624	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1625	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1626	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1627		checkCompletedNormally(f, v1);
1628	<	}
1507	<	}
1628	>	}}
1629
1630	<	public void testThenAcceptBoth_sourceCancelled3() {
1630	>	/**
1631	>	* thenCombine result completes normally after normal completion
1632	>	* of sources
1633	>	*/
1634	>	public void testThenCombine_normalCompletion() {
1635		for (ExecutionMode m : ExecutionMode.values())
1636	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1637	<	for (Integer v1 : new Integer[] { 1, null }) {
1638	<
1636	>	for (boolean fFirst : new boolean[] { true, false })
1637	>	for (Integer v1 : new Integer[] { 1, null })
1638	>	for (Integer v2 : new Integer[] { 2, null })
1639	>	{
1640		final CompletableFuture<Integer> f = new CompletableFuture<>();
1641		final CompletableFuture<Integer> g = new CompletableFuture<>();
1642	<	final SubtractAction r = new SubtractAction();
1642	>	final SubtractFunction[] rs = new SubtractFunction[6];
1643	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1644
1645	<	assertTrue(g.cancel(mayInterruptIfRunning));
1646	<	f.complete(v1);
1647	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1645	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1646	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1647	>	final Integer w1 =  fFirst ? v1 : v2;
1648	>	final Integer w2 = !fFirst ? v1 : v2;
1649	>
1650	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1651	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1652	>	assertTrue(fst.complete(w1));
1653	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1654	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1655	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1656	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1657	>	checkCompletedNormally(h1, subtract(w1, w1));
1658	>	checkCompletedNormally(h3, subtract(w1, w1));
1659	>	rs[1].assertValue(subtract(w1, w1));
1660	>	rs[3].assertValue(subtract(w1, w1));
1661	>	assertTrue(snd.complete(w2));
1662	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1663	>
1664	>	checkCompletedNormally(h0, subtract(v1, v2));
1665	>	checkCompletedNormally(h2, subtract(v1, v2));
1666	>	checkCompletedNormally(h4, subtract(v1, v2));
1667	>	rs[0].assertValue(subtract(v1, v2));
1668	>	rs[2].assertValue(subtract(v1, v2));
1669	>	rs[4].assertValue(subtract(v1, v2));
1670
1522	–	checkCompletedWithWrappedCancellationException(h);
1523	–	checkCancelled(g);
1524	–	assertEquals(r.invocationCount, 0);
1671		checkCompletedNormally(f, v1);
1672	<	}
1673	<	}
1528	<
1529	<	public void testThenAcceptBoth_sourceCancelled4() {
1530	<	for (ExecutionMode m : ExecutionMode.values())
1531	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1532	<	for (Integer v1 : new Integer[] { 1, null }) {
1533	<
1534	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1535	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1536	<	final SubtractAction r = new SubtractAction();
1537	<
1538	<	assertTrue(f.cancel(mayInterruptIfRunning));
1539	<	g.complete(v1);
1540	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1541	<
1542	<	checkCompletedWithWrappedCancellationException(h);
1543	<	checkCancelled(f);
1544	<	assertEquals(r.invocationCount, 0);
1545	<	checkCompletedNormally(g, v1);
1546	<	}
1547	<	}
1672	>	checkCompletedNormally(g, v2);
1673	>	}}
1674
1675		/**
1676	<	* runAfterBoth result completes normally after normal
1677	<	* completion of sources
1676	>	* thenCombine result completes exceptionally after exceptional
1677	>	* completion of either source
1678		*/
1679	<	public void testRunAfterBoth_normalCompletion1() {
1679	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1680		for (ExecutionMode m : ExecutionMode.values())
1681	+	for (boolean fFirst : new boolean[] { true, false })
1682	+	for (boolean failFirst : new boolean[] { true, false })
1683		for (Integer v1 : new Integer[] { 1, null })
1684	<	for (Integer v2 : new Integer[] { 2, null }) {
1557	<
1684	>	{
1685		final CompletableFuture<Integer> f = new CompletableFuture<>();
1686		final CompletableFuture<Integer> g = new CompletableFuture<>();
1687	<	final Noop r = new Noop();
1688	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1689	<
1690	<	f.complete(v1);
1691	<	checkIncomplete(h);
1692	<	assertFalse(r.ran);
1693	<	g.complete(v2);
1694	<
1695	<	checkCompletedNormally(h, null);
1696	<	assertEquals(r.invocationCount, 1);
1697	<	checkCompletedNormally(f, v1);
1698	<	checkCompletedNormally(g, v2);
1699	<	}
1700	<	}
1687	>	final CFException ex = new CFException();
1688	>	final SubtractFunction r1 = new SubtractFunction(m);
1689	>	final SubtractFunction r2 = new SubtractFunction(m);
1690	>	final SubtractFunction r3 = new SubtractFunction(m);
1691	>
1692	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1693	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1694	>	final Callable<Boolean> complete1 = failFirst ?
1695	>	() -> fst.completeExceptionally(ex) :
1696	>	() -> fst.complete(v1);
1697	>	final Callable<Boolean> complete2 = failFirst ?
1698	>	() -> snd.complete(v1) :
1699	>	() -> snd.completeExceptionally(ex);
1700	>
1701	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1702	>	assertTrue(complete1.call());
1703	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1704	>	checkIncomplete(h1);
1705	>	checkIncomplete(h2);
1706	>	assertTrue(complete2.call());
1707	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1708	>
1709	>	checkCompletedWithWrappedException(h1, ex);
1710	>	checkCompletedWithWrappedException(h2, ex);
1711	>	checkCompletedWithWrappedException(h3, ex);
1712	>	r1.assertNotInvoked();
1713	>	r2.assertNotInvoked();
1714	>	r3.assertNotInvoked();
1715	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1716	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1717	>	}}
1718
1719	<	public void testRunAfterBoth_normalCompletion2() {
1719	>	/**
1720	>	* thenCombine result completes exceptionally if either source cancelled
1721	>	*/
1722	>	public void testThenCombine_sourceCancelled() throws Throwable {
1723		for (ExecutionMode m : ExecutionMode.values())
1724	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1725	+	for (boolean fFirst : new boolean[] { true, false })
1726	+	for (boolean failFirst : new boolean[] { true, false })
1727		for (Integer v1 : new Integer[] { 1, null })
1728	<	for (Integer v2 : new Integer[] { 2, null }) {
1579	<
1728	>	{
1729		final CompletableFuture<Integer> f = new CompletableFuture<>();
1730		final CompletableFuture<Integer> g = new CompletableFuture<>();
1731	<	final Noop r = new Noop();
1732	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1731	>	final SubtractFunction r1 = new SubtractFunction(m);
1732	>	final SubtractFunction r2 = new SubtractFunction(m);
1733	>	final SubtractFunction r3 = new SubtractFunction(m);
1734	>
1735	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1736	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1737	>	final Callable<Boolean> complete1 = failFirst ?
1738	>	() -> fst.cancel(mayInterruptIfRunning) :
1739	>	() -> fst.complete(v1);
1740	>	final Callable<Boolean> complete2 = failFirst ?
1741	>	() -> snd.complete(v1) :
1742	>	() -> snd.cancel(mayInterruptIfRunning);
1743	>
1744	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1745	>	assertTrue(complete1.call());
1746	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1747	>	checkIncomplete(h1);
1748	>	checkIncomplete(h2);
1749	>	assertTrue(complete2.call());
1750	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1751	>
1752	>	checkCompletedWithWrappedCancellationException(h1);
1753	>	checkCompletedWithWrappedCancellationException(h2);
1754	>	checkCompletedWithWrappedCancellationException(h3);
1755	>	r1.assertNotInvoked();
1756	>	r2.assertNotInvoked();
1757	>	r3.assertNotInvoked();
1758	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1759	>	checkCancelled(failFirst ? fst : snd);
1760	>	}}
1761
1762	<	g.complete(v2);
1763	<	checkIncomplete(h);
1764	<	assertFalse(r.ran);
1765	<	f.complete(v1);
1589	<
1590	<	checkCompletedNormally(h, null);
1591	<	assertEquals(r.invocationCount, 1);
1592	<	checkCompletedNormally(f, v1);
1593	<	checkCompletedNormally(g, v2);
1594	<	}
1595	<	}
1596	<
1597	<	public void testRunAfterBoth_normalCompletion3() {
1762	>	/**
1763	>	* thenCombine result completes exceptionally if action does
1764	>	*/
1765	>	public void testThenCombine_actionFailed() {
1766		for (ExecutionMode m : ExecutionMode.values())
1767	+	for (boolean fFirst : new boolean[] { true, false })
1768		for (Integer v1 : new Integer[] { 1, null })
1769	<	for (Integer v2 : new Integer[] { 2, null }) {
1770	<
1769	>	for (Integer v2 : new Integer[] { 2, null })
1770	>	{
1771		final CompletableFuture<Integer> f = new CompletableFuture<>();
1772		final CompletableFuture<Integer> g = new CompletableFuture<>();
1773	<	final Noop r = new Noop();
1774	<
1775	<	g.complete(v2);
1776	<	f.complete(v1);
1777	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1778	<
1779	<	checkCompletedNormally(h, null);
1780	<	assertTrue(r.ran);
1773	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1774	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1775	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1776	>
1777	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1778	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1779	>	final Integer w1 =  fFirst ? v1 : v2;
1780	>	final Integer w2 = !fFirst ? v1 : v2;
1781	>
1782	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1783	>	assertTrue(fst.complete(w1));
1784	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1785	>	assertTrue(snd.complete(w2));
1786	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1787	>
1788	>	checkCompletedWithWrappedException(h1, r1.ex);
1789	>	checkCompletedWithWrappedException(h2, r2.ex);
1790	>	checkCompletedWithWrappedException(h3, r3.ex);
1791	>	r1.assertInvoked();
1792	>	r2.assertInvoked();
1793	>	r3.assertInvoked();
1794		checkCompletedNormally(f, v1);
1795		checkCompletedNormally(g, v2);
1796	<	}
1615	<	}
1796	>	}}
1797
1798	<	public void testRunAfterBoth_normalCompletion4() {
1798	>	/**
1799	>	* thenAcceptBoth result completes normally after normal
1800	>	* completion of sources
1801	>	*/
1802	>	public void testThenAcceptBoth_normalCompletion() {
1803		for (ExecutionMode m : ExecutionMode.values())
1804	+	for (boolean fFirst : new boolean[] { true, false })
1805		for (Integer v1 : new Integer[] { 1, null })
1806	<	for (Integer v2 : new Integer[] { 2, null }) {
1807	<
1806	>	for (Integer v2 : new Integer[] { 2, null })
1807	>	{
1808		final CompletableFuture<Integer> f = new CompletableFuture<>();
1809		final CompletableFuture<Integer> g = new CompletableFuture<>();
1810	<	final Noop r = new Noop();
1811	<
1812	<	f.complete(v1);
1813	<	g.complete(v2);
1814	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1815	<
1816	<	checkCompletedNormally(h, null);
1817	<	assertEquals(r.invocationCount, 1);
1810	>	final SubtractAction r1 = new SubtractAction(m);
1811	>	final SubtractAction r2 = new SubtractAction(m);
1812	>	final SubtractAction r3 = new SubtractAction(m);
1813	>
1814	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1815	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1816	>	final Integer w1 =  fFirst ? v1 : v2;
1817	>	final Integer w2 = !fFirst ? v1 : v2;
1818	>
1819	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1820	>	assertTrue(fst.complete(w1));
1821	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1822	>	checkIncomplete(h1);
1823	>	checkIncomplete(h2);
1824	>	r1.assertNotInvoked();
1825	>	r2.assertNotInvoked();
1826	>	assertTrue(snd.complete(w2));
1827	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1828	>
1829	>	checkCompletedNormally(h1, null);
1830	>	checkCompletedNormally(h2, null);
1831	>	checkCompletedNormally(h3, null);
1832	>	r1.assertValue(subtract(v1, v2));
1833	>	r2.assertValue(subtract(v1, v2));
1834	>	r3.assertValue(subtract(v1, v2));
1835		checkCompletedNormally(f, v1);
1836		checkCompletedNormally(g, v2);
1837	<	}
1635	<	}
1837	>	}}
1838
1839		/**
1840	<	* runAfterBoth result completes exceptionally after exceptional
1840	>	* thenAcceptBoth result completes exceptionally after exceptional
1841		* completion of either source
1842		*/
1843	<	public void testRunAfterBoth_exceptionalCompletion1() {
1843	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1844		for (ExecutionMode m : ExecutionMode.values())
1845	<	for (Integer v1 : new Integer[] { 1, null }) {
1846	<
1847	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1848	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1647	<	final Noop r = new Noop();
1648	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1649	<	final CFException ex = new CFException();
1650	<
1651	<	f.completeExceptionally(ex);
1652	<	checkIncomplete(h);
1653	<	g.complete(v1);
1654	<
1655	<	checkCompletedWithWrappedCFException(h, ex);
1656	<	checkCompletedWithWrappedCFException(f, ex);
1657	<	assertEquals(r.invocationCount, 0);
1658	<	checkCompletedNormally(g, v1);
1659	<	}
1660	<	}
1661	<
1662	<	public void testRunAfterBoth_exceptionalCompletion2() {
1663	<	for (ExecutionMode m : ExecutionMode.values())
1664	<	for (Integer v1 : new Integer[] { 1, null }) {
1665	<
1666	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1667	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1668	<	final Noop r = new Noop();
1669	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1670	<	final CFException ex = new CFException();
1671	<
1672	<	g.completeExceptionally(ex);
1673	<	checkIncomplete(h);
1674	<	f.complete(v1);
1675	<
1676	<	checkCompletedWithWrappedCFException(h, ex);
1677	<	checkCompletedWithWrappedCFException(g, ex);
1678	<	assertEquals(r.invocationCount, 0);
1679	<	checkCompletedNormally(f, v1);
1680	<	}
1681	<	}
1682	<
1683	<	public void testRunAfterBoth_exceptionalCompletion3() {
1684	<	for (ExecutionMode m : ExecutionMode.values())
1685	<	for (Integer v1 : new Integer[] { 1, null }) {
1686	<
1845	>	for (boolean fFirst : new boolean[] { true, false })
1846	>	for (boolean failFirst : new boolean[] { true, false })
1847	>	for (Integer v1 : new Integer[] { 1, null })
1848	>	{
1849		final CompletableFuture<Integer> f = new CompletableFuture<>();
1850		final CompletableFuture<Integer> g = new CompletableFuture<>();
1689	–	final Noop r = new Noop();
1851		final CFException ex = new CFException();
1852	+	final SubtractAction r1 = new SubtractAction(m);
1853	+	final SubtractAction r2 = new SubtractAction(m);
1854	+	final SubtractAction r3 = new SubtractAction(m);
1855	+
1856	+	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1857	+	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1858	+	final Callable<Boolean> complete1 = failFirst ?
1859	+	() -> fst.completeExceptionally(ex) :
1860	+	() -> fst.complete(v1);
1861	+	final Callable<Boolean> complete2 = failFirst ?
1862	+	() -> snd.complete(v1) :
1863	+	() -> snd.completeExceptionally(ex);
1864	+
1865	+	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1866	+	assertTrue(complete1.call());
1867	+	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1868	+	checkIncomplete(h1);
1869	+	checkIncomplete(h2);
1870	+	assertTrue(complete2.call());
1871	+	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1872	+
1873	+	checkCompletedWithWrappedException(h1, ex);
1874	+	checkCompletedWithWrappedException(h2, ex);
1875	+	checkCompletedWithWrappedException(h3, ex);
1876	+	r1.assertNotInvoked();
1877	+	r2.assertNotInvoked();
1878	+	r3.assertNotInvoked();
1879	+	checkCompletedNormally(failFirst ? snd : fst, v1);
1880	+	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1881	+	}}
1882
1883	<	g.completeExceptionally(ex);
1884	<	f.complete(v1);
1885	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1886	<
1696	<	checkCompletedWithWrappedCFException(h, ex);
1697	<	checkCompletedWithWrappedCFException(g, ex);
1698	<	assertEquals(r.invocationCount, 0);
1699	<	checkCompletedNormally(f, v1);
1700	<	}
1701	<	}
1702	<
1703	<	public void testRunAfterBoth_exceptionalCompletion4() {
1883	>	/**
1884	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1885	>	*/
1886	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1887		for (ExecutionMode m : ExecutionMode.values())
1888	<	for (Integer v1 : new Integer[] { 1, null }) {
1889	<
1888	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1889	>	for (boolean fFirst : new boolean[] { true, false })
1890	>	for (boolean failFirst : new boolean[] { true, false })
1891	>	for (Integer v1 : new Integer[] { 1, null })
1892	>	{
1893		final CompletableFuture<Integer> f = new CompletableFuture<>();
1894		final CompletableFuture<Integer> g = new CompletableFuture<>();
1895	<	final Noop r = new Noop();
1896	<	final CFException ex = new CFException();
1897	<
1898	<	f.completeExceptionally(ex);
1899	<	g.complete(v1);
1900	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1901	<
1902	<	checkCompletedWithWrappedCFException(h, ex);
1903	<	checkCompletedWithWrappedCFException(f, ex);
1904	<	assertEquals(r.invocationCount, 0);
1905	<	checkCompletedNormally(g, v1);
1906	<	}
1907	<	}
1895	>	final SubtractAction r1 = new SubtractAction(m);
1896	>	final SubtractAction r2 = new SubtractAction(m);
1897	>	final SubtractAction r3 = new SubtractAction(m);
1898	>
1899	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1900	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1901	>	final Callable<Boolean> complete1 = failFirst ?
1902	>	() -> fst.cancel(mayInterruptIfRunning) :
1903	>	() -> fst.complete(v1);
1904	>	final Callable<Boolean> complete2 = failFirst ?
1905	>	() -> snd.complete(v1) :
1906	>	() -> snd.cancel(mayInterruptIfRunning);
1907	>
1908	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1909	>	assertTrue(complete1.call());
1910	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1911	>	checkIncomplete(h1);
1912	>	checkIncomplete(h2);
1913	>	assertTrue(complete2.call());
1914	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1915	>
1916	>	checkCompletedWithWrappedCancellationException(h1);
1917	>	checkCompletedWithWrappedCancellationException(h2);
1918	>	checkCompletedWithWrappedCancellationException(h3);
1919	>	r1.assertNotInvoked();
1920	>	r2.assertNotInvoked();
1921	>	r3.assertNotInvoked();
1922	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1923	>	checkCancelled(failFirst ? fst : snd);
1924	>	}}
1925
1926		/**
1927	<	* runAfterBoth result completes exceptionally if action does
1927	>	* thenAcceptBoth result completes exceptionally if action does
1928		*/
1929	<	public void testRunAfterBoth_actionFailed1() {
1929	>	public void testThenAcceptBoth_actionFailed() {
1930		for (ExecutionMode m : ExecutionMode.values())
1931	+	for (boolean fFirst : new boolean[] { true, false })
1932		for (Integer v1 : new Integer[] { 1, null })
1933	<	for (Integer v2 : new Integer[] { 2, null }) {
1934	<
1933	>	for (Integer v2 : new Integer[] { 2, null })
1934	>	{
1935		final CompletableFuture<Integer> f = new CompletableFuture<>();
1936		final CompletableFuture<Integer> g = new CompletableFuture<>();
1937	<	final FailingNoop r = new FailingNoop();
1938	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1939	<
1940	<	f.complete(v1);
1941	<	checkIncomplete(h);
1942	<	g.complete(v2);
1943	<
1944	<	checkCompletedWithWrappedCFException(h);
1937	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1938	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1939	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1940	>
1941	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1942	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1943	>	final Integer w1 =  fFirst ? v1 : v2;
1944	>	final Integer w2 = !fFirst ? v1 : v2;
1945	>
1946	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1947	>	assertTrue(fst.complete(w1));
1948	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1949	>	assertTrue(snd.complete(w2));
1950	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1951	>
1952	>	checkCompletedWithWrappedException(h1, r1.ex);
1953	>	checkCompletedWithWrappedException(h2, r2.ex);
1954	>	checkCompletedWithWrappedException(h3, r3.ex);
1955	>	r1.assertInvoked();
1956	>	r2.assertInvoked();
1957	>	r3.assertInvoked();
1958		checkCompletedNormally(f, v1);
1959		checkCompletedNormally(g, v2);
1960	<	}
1744	<	}
1960	>	}}
1961
1962	<	public void testRunAfterBoth_actionFailed2() {
1962	>	/**
1963	>	* runAfterBoth result completes normally after normal
1964	>	* completion of sources
1965	>	*/
1966	>	public void testRunAfterBoth_normalCompletion() {
1967		for (ExecutionMode m : ExecutionMode.values())
1968	+	for (boolean fFirst : new boolean[] { true, false })
1969		for (Integer v1 : new Integer[] { 1, null })
1970	<	for (Integer v2 : new Integer[] { 2, null }) {
1971	<
1970	>	for (Integer v2 : new Integer[] { 2, null })
1971	>	{
1972		final CompletableFuture<Integer> f = new CompletableFuture<>();
1973		final CompletableFuture<Integer> g = new CompletableFuture<>();
1974	<	final FailingNoop r = new FailingNoop();
1975	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1976	<
1977	<	g.complete(v2);
1978	<	checkIncomplete(h);
1979	<	f.complete(v1);
1980	<
1981	<	checkCompletedWithWrappedCFException(h);
1974	>	final Noop r1 = new Noop(m);
1975	>	final Noop r2 = new Noop(m);
1976	>	final Noop r3 = new Noop(m);
1977	>
1978	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1979	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1980	>	final Integer w1 =  fFirst ? v1 : v2;
1981	>	final Integer w2 = !fFirst ? v1 : v2;
1982	>
1983	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1984	>	assertTrue(fst.complete(w1));
1985	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1986	>	checkIncomplete(h1);
1987	>	checkIncomplete(h2);
1988	>	r1.assertNotInvoked();
1989	>	r2.assertNotInvoked();
1990	>	assertTrue(snd.complete(w2));
1991	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1992	>
1993	>	checkCompletedNormally(h1, null);
1994	>	checkCompletedNormally(h2, null);
1995	>	checkCompletedNormally(h3, null);
1996	>	r1.assertInvoked();
1997	>	r2.assertInvoked();
1998	>	r3.assertInvoked();
1999		checkCompletedNormally(f, v1);
2000		checkCompletedNormally(g, v2);
2001	<	}
1764	<	}
2001	>	}}
2002
2003		/**
2004	<	* runAfterBoth result completes exceptionally if either source cancelled
2004	>	* runAfterBoth result completes exceptionally after exceptional
2005	>	* completion of either source
2006		*/
2007	<	public void testRunAfterBoth_sourceCancelled1() {
1770	<	for (ExecutionMode m : ExecutionMode.values())
1771	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1772	<	for (Integer v1 : new Integer[] { 1, null }) {
1773	<
1774	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1775	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1776	<	final Noop r = new Noop();
1777	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1778	<
1779	<	assertTrue(f.cancel(mayInterruptIfRunning));
1780	<	checkIncomplete(h);
1781	<	g.complete(v1);
1782	<
1783	<	checkCompletedWithWrappedCancellationException(h);
1784	<	checkCancelled(f);
1785	<	assertEquals(r.invocationCount, 0);
1786	<	checkCompletedNormally(g, v1);
1787	<	}
1788	<	}
1789	<
1790	<	public void testRunAfterBoth_sourceCancelled2() {
1791	<	for (ExecutionMode m : ExecutionMode.values())
1792	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1793	<	for (Integer v1 : new Integer[] { 1, null }) {
1794	<
1795	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1796	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1797	<	final Noop r = new Noop();
1798	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1799	<
1800	<	assertTrue(g.cancel(mayInterruptIfRunning));
1801	<	checkIncomplete(h);
1802	<	f.complete(v1);
1803	<
1804	<	checkCompletedWithWrappedCancellationException(h);
1805	<	checkCancelled(g);
1806	<	assertEquals(r.invocationCount, 0);
1807	<	checkCompletedNormally(f, v1);
1808	<	}
1809	<	}
1810	<
1811	<	public void testRunAfterBoth_sourceCancelled3() {
2007	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2008		for (ExecutionMode m : ExecutionMode.values())
2009	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2010	<	for (Integer v1 : new Integer[] { 1, null }) {
2011	<
2009	>	for (boolean fFirst : new boolean[] { true, false })
2010	>	for (boolean failFirst : new boolean[] { true, false })
2011	>	for (Integer v1 : new Integer[] { 1, null })
2012	>	{
2013		final CompletableFuture<Integer> f = new CompletableFuture<>();
2014		final CompletableFuture<Integer> g = new CompletableFuture<>();
2015	<	final Noop r = new Noop();
2016	<
2017	<	assertTrue(g.cancel(mayInterruptIfRunning));
2018	<	f.complete(v1);
2019	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2020	<
2021	<	checkCompletedWithWrappedCancellationException(h);
2022	<	checkCancelled(g);
2023	<	assertEquals(r.invocationCount, 0);
2024	<	checkCompletedNormally(f, v1);
2025	<	}
2026	<	}
2015	>	final CFException ex = new CFException();
2016	>	final Noop r1 = new Noop(m);
2017	>	final Noop r2 = new Noop(m);
2018	>	final Noop r3 = new Noop(m);
2019	>
2020	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2021	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2022	>	final Callable<Boolean> complete1 = failFirst ?
2023	>	() -> fst.completeExceptionally(ex) :
2024	>	() -> fst.complete(v1);
2025	>	final Callable<Boolean> complete2 = failFirst ?
2026	>	() -> snd.complete(v1) :
2027	>	() -> snd.completeExceptionally(ex);
2028	>
2029	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2030	>	assertTrue(complete1.call());
2031	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2032	>	checkIncomplete(h1);
2033	>	checkIncomplete(h2);
2034	>	assertTrue(complete2.call());
2035	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2036	>
2037	>	checkCompletedWithWrappedException(h1, ex);
2038	>	checkCompletedWithWrappedException(h2, ex);
2039	>	checkCompletedWithWrappedException(h3, ex);
2040	>	r1.assertNotInvoked();
2041	>	r2.assertNotInvoked();
2042	>	r3.assertNotInvoked();
2043	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2044	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2045	>	}}
2046
2047	<	public void testRunAfterBoth_sourceCancelled4() {
2047	>	/**
2048	>	* runAfterBoth result completes exceptionally if either source cancelled
2049	>	*/
2050	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2051		for (ExecutionMode m : ExecutionMode.values())
2052		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2053	<	for (Integer v1 : new Integer[] { 1, null }) {
2054	<
2053	>	for (boolean fFirst : new boolean[] { true, false })
2054	>	for (boolean failFirst : new boolean[] { true, false })
2055	>	for (Integer v1 : new Integer[] { 1, null })
2056	>	{
2057		final CompletableFuture<Integer> f = new CompletableFuture<>();
2058		final CompletableFuture<Integer> g = new CompletableFuture<>();
2059	<	final Noop r = new Noop();
2060	<
2061	<	assertTrue(f.cancel(mayInterruptIfRunning));
2062	<	g.complete(v1);
2063	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2064	<
2065	<	checkCompletedWithWrappedCancellationException(h);
2066	<	checkCancelled(f);
2067	<	assertEquals(r.invocationCount, 0);
2068	<	checkCompletedNormally(g, v1);
2069	<	}
2070	<	}
2059	>	final Noop r1 = new Noop(m);
2060	>	final Noop r2 = new Noop(m);
2061	>	final Noop r3 = new Noop(m);
2062	>
2063	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2064	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2065	>	final Callable<Boolean> complete1 = failFirst ?
2066	>	() -> fst.cancel(mayInterruptIfRunning) :
2067	>	() -> fst.complete(v1);
2068	>	final Callable<Boolean> complete2 = failFirst ?
2069	>	() -> snd.complete(v1) :
2070	>	() -> snd.cancel(mayInterruptIfRunning);
2071	>
2072	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2073	>	assertTrue(complete1.call());
2074	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2075	>	checkIncomplete(h1);
2076	>	checkIncomplete(h2);
2077	>	assertTrue(complete2.call());
2078	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2079	>
2080	>	checkCompletedWithWrappedCancellationException(h1);
2081	>	checkCompletedWithWrappedCancellationException(h2);
2082	>	checkCompletedWithWrappedCancellationException(h3);
2083	>	r1.assertNotInvoked();
2084	>	r2.assertNotInvoked();
2085	>	r3.assertNotInvoked();
2086	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2087	>	checkCancelled(failFirst ? fst : snd);
2088	>	}}
2089
2090		/**
2091	<	* applyToEither result completes normally after normal completion
1853	<	* of either source
2091	>	* runAfterBoth result completes exceptionally if action does
2092		*/
2093	<	public void testApplyToEither_normalCompletion1() {
2093	>	public void testRunAfterBoth_actionFailed() {
2094		for (ExecutionMode m : ExecutionMode.values())
2095	+	for (boolean fFirst : new boolean[] { true, false })
2096		for (Integer v1 : new Integer[] { 1, null })
2097	<	for (Integer v2 : new Integer[] { 2, null }) {
2098	<
2097	>	for (Integer v2 : new Integer[] { 2, null })
2098	>	{
2099		final CompletableFuture<Integer> f = new CompletableFuture<>();
2100		final CompletableFuture<Integer> g = new CompletableFuture<>();
2101	<	final IncFunction r = new IncFunction();
2102	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2103	<
2104	<	f.complete(v1);
2105	<	checkCompletedNormally(h, inc(v1));
2106	<	g.complete(v2);
2107	<
2101	>	final FailingRunnable r1 = new FailingRunnable(m);
2102	>	final FailingRunnable r2 = new FailingRunnable(m);
2103	>	final FailingRunnable r3 = new FailingRunnable(m);
2104	>
2105	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2106	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2107	>	final Integer w1 =  fFirst ? v1 : v2;
2108	>	final Integer w2 = !fFirst ? v1 : v2;
2109	>
2110	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2111	>	assertTrue(fst.complete(w1));
2112	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2113	>	assertTrue(snd.complete(w2));
2114	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2115	>
2116	>	checkCompletedWithWrappedException(h1, r1.ex);
2117	>	checkCompletedWithWrappedException(h2, r2.ex);
2118	>	checkCompletedWithWrappedException(h3, r3.ex);
2119	>	r1.assertInvoked();
2120	>	r2.assertInvoked();
2121	>	r3.assertInvoked();
2122		checkCompletedNormally(f, v1);
2123		checkCompletedNormally(g, v2);
2124	<	checkCompletedNormally(h, inc(v1));
1872	<	}
1873	<	}
2124	>	}}
2125
2126	<	public void testApplyToEither_normalCompletion2() {
2126	>	/**
2127	>	* applyToEither result completes normally after normal completion
2128	>	* of either source
2129	>	*/
2130	>	public void testApplyToEither_normalCompletion() {
2131		for (ExecutionMode m : ExecutionMode.values())
2132		for (Integer v1 : new Integer[] { 1, null })
2133	<	for (Integer v2 : new Integer[] { 2, null }) {
2134	<
2133	>	for (Integer v2 : new Integer[] { 2, null })
2134	>	{
2135		final CompletableFuture<Integer> f = new CompletableFuture<>();
2136		final CompletableFuture<Integer> g = new CompletableFuture<>();
2137	<	final IncFunction r = new IncFunction();
2138	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2137	>	final IncFunction[] rs = new IncFunction[6];
2138	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2139
2140	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2141	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2142	+	checkIncomplete(h0);
2143	+	checkIncomplete(h1);
2144	+	rs[0].assertNotInvoked();
2145	+	rs[1].assertNotInvoked();
2146	+	f.complete(v1);
2147	+	checkCompletedNormally(h0, inc(v1));
2148	+	checkCompletedNormally(h1, inc(v1));
2149	+	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2150	+	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2151	+	checkCompletedNormally(h2, inc(v1));
2152	+	checkCompletedNormally(h3, inc(v1));
2153		g.complete(v2);
1886	–	checkCompletedNormally(h, inc(v2));
1887	–	f.complete(v1);
1888	–
1889	–	checkCompletedNormally(f, v1);
1890	–	checkCompletedNormally(g, v2);
1891	–	checkCompletedNormally(h, inc(v2));
1892	–	}
1893	–	}
1894	–	public void testApplyToEither_normalCompletion3() {
1895	–	for (ExecutionMode m : ExecutionMode.values())
1896	–	for (Integer v1 : new Integer[] { 1, null })
1897	–	for (Integer v2 : new Integer[] { 2, null }) {
2154
2155	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2156	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2157	<	final IncFunction r = new IncFunction();
2158	<
2159	<	f.complete(v1);
2160	<	g.complete(v2);
2161	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2155	>	// unspecified behavior - both source completions available
2156	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2157	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2158	>	rs[4].assertValue(h4.join());
2159	>	rs[5].assertValue(h5.join());
2160	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2161	>	Objects.equals(inc(v2), h4.join()));
2162	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2163	>	Objects.equals(inc(v2), h5.join()));
2164
2165		checkCompletedNormally(f, v1);
2166		checkCompletedNormally(g, v2);
2167	<
2168	<	// unspecified behavior
2169	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2170	<	Objects.equals(h.join(), inc(v2)));
2171	<	assertEquals(r.invocationCount, 1);
2172	<	}
1915	<	}
2167	>	checkCompletedNormally(h0, inc(v1));
2168	>	checkCompletedNormally(h1, inc(v1));
2169	>	checkCompletedNormally(h2, inc(v1));
2170	>	checkCompletedNormally(h3, inc(v1));
2171	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2172	>	}}
2173
2174		/**
2175		* applyToEither result completes exceptionally after exceptional
2176		* completion of either source
2177		*/
2178	<	public void testApplyToEither_exceptionalCompletion1() {
2178	>	public void testApplyToEither_exceptionalCompletion() {
2179		for (ExecutionMode m : ExecutionMode.values())
2180	<	for (Integer v1 : new Integer[] { 1, null }) {
2181	<
2180	>	for (Integer v1 : new Integer[] { 1, null })
2181	>	{
2182		final CompletableFuture<Integer> f = new CompletableFuture<>();
2183		final CompletableFuture<Integer> g = new CompletableFuture<>();
1927	–	final IncFunction r = new IncFunction();
1928	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2184		final CFException ex = new CFException();
2185	+	final IncFunction[] rs = new IncFunction[6];
2186	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2187
2188	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2189	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2190	+	checkIncomplete(h0);
2191	+	checkIncomplete(h1);
2192	+	rs[0].assertNotInvoked();
2193	+	rs[1].assertNotInvoked();
2194		f.completeExceptionally(ex);
2195	<	checkCompletedWithWrappedCFException(h, ex);
2195	>	checkCompletedWithWrappedException(h0, ex);
2196	>	checkCompletedWithWrappedException(h1, ex);
2197	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2198	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2199	>	checkCompletedWithWrappedException(h2, ex);
2200	>	checkCompletedWithWrappedException(h3, ex);
2201		g.complete(v1);
2202
2203	<	assertEquals(r.invocationCount, 0);
2204	<	checkCompletedNormally(g, v1);
2205	<	checkCompletedWithWrappedCFException(f, ex);
2206	<	checkCompletedWithWrappedCFException(h, ex);
2207	<	}
2208	<	}
2209	<
2210	<	public void testApplyToEither_exceptionalCompletion2() {
2211	<	for (ExecutionMode m : ExecutionMode.values())
1944	<	for (Integer v1 : new Integer[] { 1, null }) {
1945	<
1946	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1947	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1948	<	final IncFunction r = new IncFunction();
1949	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1950	<	final CFException ex = new CFException();
1951	<
1952	<	g.completeExceptionally(ex);
1953	<	checkCompletedWithWrappedCFException(h, ex);
1954	<	f.complete(v1);
1955	<
1956	<	assertEquals(r.invocationCount, 0);
1957	<	checkCompletedNormally(f, v1);
1958	<	checkCompletedWithWrappedCFException(g, ex);
1959	<	checkCompletedWithWrappedCFException(h, ex);
2203	>	// unspecified behavior - both source completions available
2204	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2205	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2206	>	try {
2207	>	assertEquals(inc(v1), h4.join());
2208	>	rs[4].assertValue(inc(v1));
2209	>	} catch (CompletionException ok) {
2210	>	checkCompletedWithWrappedException(h4, ex);
2211	>	rs[4].assertNotInvoked();
2212		}
1961	–	}
1962	–
1963	–	public void testApplyToEither_exceptionalCompletion3() {
1964	–	for (ExecutionMode m : ExecutionMode.values())
1965	–	for (Integer v1 : new Integer[] { 1, null }) {
1966	–
1967	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1968	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1969	–	final IncFunction r = new IncFunction();
1970	–	final CFException ex = new CFException();
1971	–
1972	–	g.completeExceptionally(ex);
1973	–	f.complete(v1);
1974	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1975	–
1976	–	// unspecified behavior
1977	–	Integer v;
2213		try {
2214	<	assertEquals(h.join(), inc(v1));
2215	<	assertEquals(r.invocationCount, 1);
2214	>	assertEquals(inc(v1), h5.join());
2215	>	rs[5].assertValue(inc(v1));
2216		} catch (CompletionException ok) {
2217	<	checkCompletedWithWrappedCFException(h, ex);
2218	<	assertEquals(r.invocationCount, 0);
2217	>	checkCompletedWithWrappedException(h5, ex);
2218	>	rs[5].assertNotInvoked();
2219		}
2220
2221	<	checkCompletedWithWrappedCFException(g, ex);
2222	<	checkCompletedNormally(f, v1);
2223	<	}
2224	<	}
2221	>	checkCompletedExceptionally(f, ex);
2222	>	checkCompletedNormally(g, v1);
2223	>	checkCompletedWithWrappedException(h0, ex);
2224	>	checkCompletedWithWrappedException(h1, ex);
2225	>	checkCompletedWithWrappedException(h2, ex);
2226	>	checkCompletedWithWrappedException(h3, ex);
2227	>	checkCompletedWithWrappedException(h4, ex);
2228	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2229	>	}}
2230
2231	<	public void testApplyToEither_exceptionalCompletion4() {
2231	>	public void testApplyToEither_exceptionalCompletion2() {
2232		for (ExecutionMode m : ExecutionMode.values())
2233	<	for (Integer v1 : new Integer[] { 1, null }) {
2234	<
2233	>	for (boolean fFirst : new boolean[] { true, false })
2234	>	for (Integer v1 : new Integer[] { 1, null })
2235	>	{
2236		final CompletableFuture<Integer> f = new CompletableFuture<>();
2237		final CompletableFuture<Integer> g = new CompletableFuture<>();
1997	–	final IncFunction r = new IncFunction();
2238		final CFException ex = new CFException();
2239	+	final IncFunction[] rs = new IncFunction[6];
2240	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2241
2242	<	f.completeExceptionally(ex);
2243	<	g.complete(v1);
2244	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2242	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2243	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2244	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2245	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2246	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2247	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2248
2249	<	// unspecified behavior
2005	<	Integer v;
2249	>	// unspecified behavior - both source completions available
2250		try {
2251	<	assertEquals(h.join(), inc(v1));
2252	<	assertEquals(r.invocationCount, 1);
2251	>	assertEquals(inc(v1), h0.join());
2252	>	rs[0].assertValue(inc(v1));
2253		} catch (CompletionException ok) {
2254	<	checkCompletedWithWrappedCFException(h, ex);
2255	<	assertEquals(r.invocationCount, 0);
2254	>	checkCompletedWithWrappedException(h0, ex);
2255	>	rs[0].assertNotInvoked();
2256		}
2257	<
2258	<	checkCompletedWithWrappedCFException(f, ex);
2259	<	checkCompletedNormally(g, v1);
2257	>	try {
2258	>	assertEquals(inc(v1), h1.join());
2259	>	rs[1].assertValue(inc(v1));
2260	>	} catch (CompletionException ok) {
2261	>	checkCompletedWithWrappedException(h1, ex);
2262	>	rs[1].assertNotInvoked();
2263		}
2264	<	}
2265	<
2266	<	/**
2267	<	* applyToEither result completes exceptionally if action does
2268	<	*/
2269	<	public void testApplyToEither_actionFailed1() {
2270	<	for (ExecutionMode m : ExecutionMode.values())
2271	<	for (Integer v1 : new Integer[] { 1, null })
2272	<	for (Integer v2 : new Integer[] { 2, null }) {
2273	<
2274	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2275	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2276	<	final FailingFunction r = new FailingFunction();
2030	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2031	<
2032	<	f.complete(v1);
2033	<	checkCompletedWithWrappedCFException(h);
2034	<	g.complete(v2);
2035	<	checkCompletedNormally(f, v1);
2036	<	checkCompletedNormally(g, v2);
2264	>	try {
2265	>	assertEquals(inc(v1), h2.join());
2266	>	rs[2].assertValue(inc(v1));
2267	>	} catch (CompletionException ok) {
2268	>	checkCompletedWithWrappedException(h2, ex);
2269	>	rs[2].assertNotInvoked();
2270	>	}
2271	>	try {
2272	>	assertEquals(inc(v1), h3.join());
2273	>	rs[3].assertValue(inc(v1));
2274	>	} catch (CompletionException ok) {
2275	>	checkCompletedWithWrappedException(h3, ex);
2276	>	rs[3].assertNotInvoked();
2277		}
2038	–	}
2039	–
2040	–	public void testApplyToEither_actionFailed2() {
2041	–	for (ExecutionMode m : ExecutionMode.values())
2042	–	for (Integer v1 : new Integer[] { 1, null })
2043	–	for (Integer v2 : new Integer[] { 2, null }) {
2044	–
2045	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2046	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2047	–	final FailingFunction r = new FailingFunction();
2048	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2278
2050	–	g.complete(v2);
2051	–	checkCompletedWithWrappedCFException(h);
2052	–	f.complete(v1);
2279		checkCompletedNormally(f, v1);
2280	<	checkCompletedNormally(g, v2);
2281	<	}
2056	<	}
2280	>	checkCompletedExceptionally(g, ex);
2281	>	}}
2282
2283		/**
2284		* applyToEither result completes exceptionally if either source cancelled
2285		*/
2286	<	public void testApplyToEither_sourceCancelled1() {
2286	>	public void testApplyToEither_sourceCancelled() {
2287		for (ExecutionMode m : ExecutionMode.values())
2288		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2289	<	for (Integer v1 : new Integer[] { 1, null }) {
2290	<
2289	>	for (Integer v1 : new Integer[] { 1, null })
2290	>	{
2291		final CompletableFuture<Integer> f = new CompletableFuture<>();
2292		final CompletableFuture<Integer> g = new CompletableFuture<>();
2293	<	final IncFunction r = new IncFunction();
2294	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2293	>	final IncFunction[] rs = new IncFunction[6];
2294	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2295
2296	<	assertTrue(f.cancel(mayInterruptIfRunning));
2297	<	checkCompletedWithWrappedCancellationException(h);
2296	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2297	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2298	>	checkIncomplete(h0);
2299	>	checkIncomplete(h1);
2300	>	rs[0].assertNotInvoked();
2301	>	rs[1].assertNotInvoked();
2302	>	f.cancel(mayInterruptIfRunning);
2303	>	checkCompletedWithWrappedCancellationException(h0);
2304	>	checkCompletedWithWrappedCancellationException(h1);
2305	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2306	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2307	>	checkCompletedWithWrappedCancellationException(h2);
2308	>	checkCompletedWithWrappedCancellationException(h3);
2309		g.complete(v1);
2310
2311	+	// unspecified behavior - both source completions available
2312	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2313	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2314	+	try {
2315	+	assertEquals(inc(v1), h4.join());
2316	+	rs[4].assertValue(inc(v1));
2317	+	} catch (CompletionException ok) {
2318	+	checkCompletedWithWrappedCancellationException(h4);
2319	+	rs[4].assertNotInvoked();
2320	+	}
2321	+	try {
2322	+	assertEquals(inc(v1), h5.join());
2323	+	rs[5].assertValue(inc(v1));
2324	+	} catch (CompletionException ok) {
2325	+	checkCompletedWithWrappedCancellationException(h5);
2326	+	rs[5].assertNotInvoked();
2327	+	}
2328	+
2329		checkCancelled(f);
2076	–	assertEquals(r.invocationCount, 0);
2330		checkCompletedNormally(g, v1);
2331	<	checkCompletedWithWrappedCancellationException(h);
2332	<	}
2333	<	}
2331	>	checkCompletedWithWrappedCancellationException(h0);
2332	>	checkCompletedWithWrappedCancellationException(h1);
2333	>	checkCompletedWithWrappedCancellationException(h2);
2334	>	checkCompletedWithWrappedCancellationException(h3);
2335	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2336	>	}}
2337
2338		public void testApplyToEither_sourceCancelled2() {
2339		for (ExecutionMode m : ExecutionMode.values())
2340		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2341	<	for (Integer v1 : new Integer[] { 1, null }) {
2342	<
2341	>	for (boolean fFirst : new boolean[] { true, false })
2342	>	for (Integer v1 : new Integer[] { 1, null })
2343	>	{
2344		final CompletableFuture<Integer> f = new CompletableFuture<>();
2345		final CompletableFuture<Integer> g = new CompletableFuture<>();
2346	<	final IncFunction r = new IncFunction();
2347	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2346	>	final IncFunction[] rs = new IncFunction[6];
2347	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2348
2349	<	assertTrue(g.cancel(mayInterruptIfRunning));
2350	<	checkCompletedWithWrappedCancellationException(h);
2351	<	f.complete(v1);
2349	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2350	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2351	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2352	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2353	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2354	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2355
2356	<	checkCancelled(g);
2357	<	assertEquals(r.invocationCount, 0);
2358	<	checkCompletedNormally(f, v1);
2359	<	checkCompletedWithWrappedCancellationException(h);
2356	>	// unspecified behavior - both source completions available
2357	>	try {
2358	>	assertEquals(inc(v1), h0.join());
2359	>	rs[0].assertValue(inc(v1));
2360	>	} catch (CompletionException ok) {
2361	>	checkCompletedWithWrappedCancellationException(h0);
2362	>	rs[0].assertNotInvoked();
2363		}
2101	–	}
2102	–
2103	–	public void testApplyToEither_sourceCancelled3() {
2104	–	for (ExecutionMode m : ExecutionMode.values())
2105	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2106	–	for (Integer v1 : new Integer[] { 1, null }) {
2107	–
2108	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2109	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2110	–	final IncFunction r = new IncFunction();
2111	–
2112	–	assertTrue(g.cancel(mayInterruptIfRunning));
2113	–	f.complete(v1);
2114	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2115	–
2116	–	// unspecified behavior
2117	–	Integer v;
2364		try {
2365	<	assertEquals(h.join(), inc(v1));
2366	<	assertEquals(r.invocationCount, 1);
2365	>	assertEquals(inc(v1), h1.join());
2366	>	rs[1].assertValue(inc(v1));
2367		} catch (CompletionException ok) {
2368	<	checkCompletedWithWrappedCancellationException(h);
2369	<	assertEquals(r.invocationCount, 0);
2368	>	checkCompletedWithWrappedCancellationException(h1);
2369	>	rs[1].assertNotInvoked();
2370		}
2371	<
2372	<	checkCancelled(g);
2373	<	checkCompletedNormally(f, v1);
2371	>	try {
2372	>	assertEquals(inc(v1), h2.join());
2373	>	rs[2].assertValue(inc(v1));
2374	>	} catch (CompletionException ok) {
2375	>	checkCompletedWithWrappedCancellationException(h2);
2376	>	rs[2].assertNotInvoked();
2377		}
2129	–	}
2130	–
2131	–	public void testApplyToEither_sourceCancelled4() {
2132	–	for (ExecutionMode m : ExecutionMode.values())
2133	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2134	–	for (Integer v1 : new Integer[] { 1, null }) {
2135	–
2136	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2137	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2138	–	final IncFunction r = new IncFunction();
2139	–
2140	–	assertTrue(f.cancel(mayInterruptIfRunning));
2141	–	g.complete(v1);
2142	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2143	–
2144	–	// unspecified behavior
2145	–	Integer v;
2378		try {
2379	<	assertEquals(h.join(), inc(v1));
2380	<	assertEquals(r.invocationCount, 1);
2379	>	assertEquals(inc(v1), h3.join());
2380	>	rs[3].assertValue(inc(v1));
2381		} catch (CompletionException ok) {
2382	<	checkCompletedWithWrappedCancellationException(h);
2383	<	assertEquals(r.invocationCount, 0);
2382	>	checkCompletedWithWrappedCancellationException(h3);
2383	>	rs[3].assertNotInvoked();
2384		}
2385
2386	<	checkCancelled(f);
2387	<	checkCompletedNormally(g, v1);
2388	<	}
2157	<	}
2386	>	checkCompletedNormally(f, v1);
2387	>	checkCancelled(g);
2388	>	}}
2389
2390		/**
2391	<	* acceptEither result completes normally after normal completion
2161	<	* of either source
2391	>	* applyToEither result completes exceptionally if action does
2392		*/
2393	<	public void testAcceptEither_normalCompletion1() {
2393	>	public void testApplyToEither_actionFailed() {
2394		for (ExecutionMode m : ExecutionMode.values())
2395		for (Integer v1 : new Integer[] { 1, null })
2396	<	for (Integer v2 : new Integer[] { 2, null }) {
2397	<
2396	>	for (Integer v2 : new Integer[] { 2, null })
2397	>	{
2398		final CompletableFuture<Integer> f = new CompletableFuture<>();
2399		final CompletableFuture<Integer> g = new CompletableFuture<>();
2400	<	final IncAction r = new IncAction();
2401	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2400	>	final FailingFunction[] rs = new FailingFunction[6];
2401	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2402	>
2403	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2404	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2405	>	f.complete(v1);
2406	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2407	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2408	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2409	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2410	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2411	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2412	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2413
2173	–	f.complete(v1);
2174	–	checkCompletedNormally(h, null);
2175	–	assertEquals(r.value, inc(v1));
2414		g.complete(v2);
2415
2416	+	// unspecified behavior - both source completions available
2417	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2418	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2419	+
2420	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2421	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2422	+	Objects.equals(v2, rs[4].value));
2423	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2424	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2425	+	Objects.equals(v2, rs[5].value));
2426	+
2427		checkCompletedNormally(f, v1);
2428		checkCompletedNormally(g, v2);
2429	<	checkCompletedNormally(h, null);
2181	<	}
2182	<	}
2429	>	}}
2430
2431	<	public void testAcceptEither_normalCompletion2() {
2431	>	/**
2432	>	* acceptEither result completes normally after normal completion
2433	>	* of either source
2434	>	*/
2435	>	public void testAcceptEither_normalCompletion() {
2436		for (ExecutionMode m : ExecutionMode.values())
2437		for (Integer v1 : new Integer[] { 1, null })
2438	<	for (Integer v2 : new Integer[] { 2, null }) {
2439	<
2438	>	for (Integer v2 : new Integer[] { 2, null })
2439	>	{
2440		final CompletableFuture<Integer> f = new CompletableFuture<>();
2441		final CompletableFuture<Integer> g = new CompletableFuture<>();
2442	<	final IncAction r = new IncAction();
2443	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2442	>	final NoopConsumer[] rs = new NoopConsumer[6];
2443	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2444
2445	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2446	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2447	+	checkIncomplete(h0);
2448	+	checkIncomplete(h1);
2449	+	rs[0].assertNotInvoked();
2450	+	rs[1].assertNotInvoked();
2451	+	f.complete(v1);
2452	+	checkCompletedNormally(h0, null);
2453	+	checkCompletedNormally(h1, null);
2454	+	rs[0].assertValue(v1);
2455	+	rs[1].assertValue(v1);
2456	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2457	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2458	+	checkCompletedNormally(h2, null);
2459	+	checkCompletedNormally(h3, null);
2460	+	rs[2].assertValue(v1);
2461	+	rs[3].assertValue(v1);
2462		g.complete(v2);
2195	–	checkCompletedNormally(h, null);
2196	–	assertEquals(r.value, inc(v2));
2197	–	f.complete(v1);
2198	–
2199	–	checkCompletedNormally(f, v1);
2200	–	checkCompletedNormally(g, v2);
2201	–	checkCompletedNormally(h, null);
2202	–	}
2203	–	}
2204	–	public void testAcceptEither_normalCompletion3() {
2205	–	for (ExecutionMode m : ExecutionMode.values())
2206	–	for (Integer v1 : new Integer[] { 1, null })
2207	–	for (Integer v2 : new Integer[] { 2, null }) {
2463
2464	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2465	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2466	<	final IncAction r = new IncAction();
2464	>	// unspecified behavior - both source completions available
2465	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2466	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2467	>	checkCompletedNormally(h4, null);
2468	>	checkCompletedNormally(h5, null);
2469	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2470	>	Objects.equals(v2, rs[4].value));
2471	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2472	>	Objects.equals(v2, rs[5].value));
2473
2213	–	f.complete(v1);
2214	–	g.complete(v2);
2215	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2216	–
2217	–	checkCompletedNormally(h, null);
2474		checkCompletedNormally(f, v1);
2475		checkCompletedNormally(g, v2);
2476	<
2477	<	// unspecified behavior
2478	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2479	<	Objects.equals(r.value, inc(v2)));
2480	<	}
2481	<	}
2476	>	checkCompletedNormally(h0, null);
2477	>	checkCompletedNormally(h1, null);
2478	>	checkCompletedNormally(h2, null);
2479	>	checkCompletedNormally(h3, null);
2480	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2481	>	}}
2482
2483		/**
2484		* acceptEither result completes exceptionally after exceptional
2485		* completion of either source
2486		*/
2487	<	public void testAcceptEither_exceptionalCompletion1() {
2487	>	public void testAcceptEither_exceptionalCompletion() {
2488		for (ExecutionMode m : ExecutionMode.values())
2489	<	for (Integer v1 : new Integer[] { 1, null }) {
2490	<
2489	>	for (Integer v1 : new Integer[] { 1, null })
2490	>	{
2491		final CompletableFuture<Integer> f = new CompletableFuture<>();
2492		final CompletableFuture<Integer> g = new CompletableFuture<>();
2237	–	final IncAction r = new IncAction();
2238	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2493		final CFException ex = new CFException();
2494	+	final NoopConsumer[] rs = new NoopConsumer[6];
2495	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2496
2497	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2498	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2499	+	checkIncomplete(h0);
2500	+	checkIncomplete(h1);
2501	+	rs[0].assertNotInvoked();
2502	+	rs[1].assertNotInvoked();
2503		f.completeExceptionally(ex);
2504	<	checkCompletedWithWrappedCFException(h, ex);
2505	<	g.complete(v1);
2506	<
2507	<	assertEquals(r.invocationCount, 0);
2508	<	checkCompletedNormally(g, v1);
2509	<	checkCompletedWithWrappedCFException(f, ex);
2248	<	checkCompletedWithWrappedCFException(h, ex);
2249	<	}
2250	<	}
2251	<
2252	<	public void testAcceptEither_exceptionalCompletion2() {
2253	<	for (ExecutionMode m : ExecutionMode.values())
2254	<	for (Integer v1 : new Integer[] { 1, null }) {
2504	>	checkCompletedWithWrappedException(h0, ex);
2505	>	checkCompletedWithWrappedException(h1, ex);
2506	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2507	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2508	>	checkCompletedWithWrappedException(h2, ex);
2509	>	checkCompletedWithWrappedException(h3, ex);
2510
2511	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2257	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2258	<	final IncAction r = new IncAction();
2259	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2260	<	final CFException ex = new CFException();
2261	<
2262	<	g.completeExceptionally(ex);
2263	<	checkCompletedWithWrappedCFException(h, ex);
2264	<	f.complete(v1);
2511	>	g.complete(v1);
2512
2513	<	assertEquals(r.invocationCount, 0);
2514	<	checkCompletedNormally(f, v1);
2515	<	checkCompletedWithWrappedCFException(g, ex);
2516	<	checkCompletedWithWrappedCFException(h, ex);
2513	>	// unspecified behavior - both source completions available
2514	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2515	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2516	>	try {
2517	>	assertNull(h4.join());
2518	>	rs[4].assertValue(v1);
2519	>	} catch (CompletionException ok) {
2520	>	checkCompletedWithWrappedException(h4, ex);
2521	>	rs[4].assertNotInvoked();
2522		}
2271	–	}
2272	–
2273	–	public void testAcceptEither_exceptionalCompletion3() {
2274	–	for (ExecutionMode m : ExecutionMode.values())
2275	–	for (Integer v1 : new Integer[] { 1, null }) {
2276	–
2277	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2278	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2279	–	final IncAction r = new IncAction();
2280	–	final CFException ex = new CFException();
2281	–
2282	–	g.completeExceptionally(ex);
2283	–	f.complete(v1);
2284	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2285	–
2286	–	// unspecified behavior
2287	–	Integer v;
2523		try {
2524	<	assertEquals(h.join(), null);
2525	<	assertEquals(r.invocationCount, 1);
2291	<	assertEquals(inc(v1), r.value);
2524	>	assertNull(h5.join());
2525	>	rs[5].assertValue(v1);
2526		} catch (CompletionException ok) {
2527	<	checkCompletedWithWrappedCFException(h, ex);
2528	<	assertEquals(r.invocationCount, 0);
2527	>	checkCompletedWithWrappedException(h5, ex);
2528	>	rs[5].assertNotInvoked();
2529		}
2530
2531	<	checkCompletedWithWrappedCFException(g, ex);
2532	<	checkCompletedNormally(f, v1);
2533	<	}
2534	<	}
2531	>	checkCompletedExceptionally(f, ex);
2532	>	checkCompletedNormally(g, v1);
2533	>	checkCompletedWithWrappedException(h0, ex);
2534	>	checkCompletedWithWrappedException(h1, ex);
2535	>	checkCompletedWithWrappedException(h2, ex);
2536	>	checkCompletedWithWrappedException(h3, ex);
2537	>	checkCompletedWithWrappedException(h4, ex);
2538	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2539	>	}}
2540
2541	<	public void testAcceptEither_exceptionalCompletion4() {
2541	>	public void testAcceptEither_exceptionalCompletion2() {
2542		for (ExecutionMode m : ExecutionMode.values())
2543	<	for (Integer v1 : new Integer[] { 1, null }) {
2544	<
2543	>	for (boolean fFirst : new boolean[] { true, false })
2544	>	for (Integer v1 : new Integer[] { 1, null })
2545	>	{
2546		final CompletableFuture<Integer> f = new CompletableFuture<>();
2547		final CompletableFuture<Integer> g = new CompletableFuture<>();
2308	–	final IncAction r = new IncAction();
2548		final CFException ex = new CFException();
2549	+	final NoopConsumer[] rs = new NoopConsumer[6];
2550	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2551
2552	<	f.completeExceptionally(ex);
2553	<	g.complete(v1);
2554	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2552	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2553	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2554	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2555	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2556	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2557	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2558
2559	<	// unspecified behavior
2316	<	Integer v;
2559	>	// unspecified behavior - both source completions available
2560		try {
2561	<	assertEquals(h.join(), null);
2562	<	assertEquals(r.invocationCount, 1);
2320	<	assertEquals(inc(v1), r.value);
2561	>	assertNull(h0.join());
2562	>	rs[0].assertValue(v1);
2563		} catch (CompletionException ok) {
2564	<	checkCompletedWithWrappedCFException(h, ex);
2565	<	assertEquals(r.invocationCount, 0);
2564	>	checkCompletedWithWrappedException(h0, ex);
2565	>	rs[0].assertNotInvoked();
2566		}
2567	<
2568	<	checkCompletedWithWrappedCFException(f, ex);
2569	<	checkCompletedNormally(g, v1);
2567	>	try {
2568	>	assertNull(h1.join());
2569	>	rs[1].assertValue(v1);
2570	>	} catch (CompletionException ok) {
2571	>	checkCompletedWithWrappedException(h1, ex);
2572	>	rs[1].assertNotInvoked();
2573		}
2574	<	}
2575	<
2576	<	/**
2577	<	* acceptEither result completes exceptionally if action does
2578	<	*/
2579	<	public void testAcceptEither_actionFailed1() {
2580	<	for (ExecutionMode m : ExecutionMode.values())
2581	<	for (Integer v1 : new Integer[] { 1, null })
2582	<	for (Integer v2 : new Integer[] { 2, null }) {
2583	<
2584	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2585	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2586	<	final FailingConsumer r = new FailingConsumer();
2342	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2343	<
2344	<	f.complete(v1);
2345	<	checkCompletedWithWrappedCFException(h);
2346	<	g.complete(v2);
2347	<	checkCompletedNormally(f, v1);
2348	<	checkCompletedNormally(g, v2);
2574	>	try {
2575	>	assertNull(h2.join());
2576	>	rs[2].assertValue(v1);
2577	>	} catch (CompletionException ok) {
2578	>	checkCompletedWithWrappedException(h2, ex);
2579	>	rs[2].assertNotInvoked();
2580	>	}
2581	>	try {
2582	>	assertNull(h3.join());
2583	>	rs[3].assertValue(v1);
2584	>	} catch (CompletionException ok) {
2585	>	checkCompletedWithWrappedException(h3, ex);
2586	>	rs[3].assertNotInvoked();
2587		}
2350	–	}
2351	–
2352	–	public void testAcceptEither_actionFailed2() {
2353	–	for (ExecutionMode m : ExecutionMode.values())
2354	–	for (Integer v1 : new Integer[] { 1, null })
2355	–	for (Integer v2 : new Integer[] { 2, null }) {
2356	–
2357	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2358	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2359	–	final FailingConsumer r = new FailingConsumer();
2360	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2588
2362	–	g.complete(v2);
2363	–	checkCompletedWithWrappedCFException(h);
2364	–	f.complete(v1);
2589		checkCompletedNormally(f, v1);
2590	<	checkCompletedNormally(g, v2);
2591	<	}
2368	<	}
2590	>	checkCompletedExceptionally(g, ex);
2591	>	}}
2592
2593		/**
2594		* acceptEither result completes exceptionally if either source cancelled
2595		*/
2596	<	public void testAcceptEither_sourceCancelled1() {
2374	<	for (ExecutionMode m : ExecutionMode.values())
2375	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2376	<	for (Integer v1 : new Integer[] { 1, null }) {
2377	<
2378	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2379	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2380	<	final IncAction r = new IncAction();
2381	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2382	<
2383	<	assertTrue(f.cancel(mayInterruptIfRunning));
2384	<	checkCompletedWithWrappedCancellationException(h);
2385	<	g.complete(v1);
2386	<
2387	<	checkCancelled(f);
2388	<	assertEquals(r.invocationCount, 0);
2389	<	checkCompletedNormally(g, v1);
2390	<	checkCompletedWithWrappedCancellationException(h);
2391	<	}
2392	<	}
2393	<
2394	<	public void testAcceptEither_sourceCancelled2() {
2596	>	public void testAcceptEither_sourceCancelled() {
2597		for (ExecutionMode m : ExecutionMode.values())
2598		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2599	<	for (Integer v1 : new Integer[] { 1, null }) {
2600	<
2599	>	for (Integer v1 : new Integer[] { 1, null })
2600	>	{
2601		final CompletableFuture<Integer> f = new CompletableFuture<>();
2602		final CompletableFuture<Integer> g = new CompletableFuture<>();
2603	<	final IncAction r = new IncAction();
2604	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2603	>	final NoopConsumer[] rs = new NoopConsumer[6];
2604	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2605
2606	<	assertTrue(g.cancel(mayInterruptIfRunning));
2607	<	checkCompletedWithWrappedCancellationException(h);
2608	<	f.complete(v1);
2609	<
2610	<	checkCancelled(g);
2611	<	assertEquals(r.invocationCount, 0);
2612	<	checkCompletedNormally(f, v1);
2613	<	checkCompletedWithWrappedCancellationException(h);
2614	<	}
2615	<	}
2616	<
2617	<	public void testAcceptEither_sourceCancelled3() {
2618	<	for (ExecutionMode m : ExecutionMode.values())
2417	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2418	<	for (Integer v1 : new Integer[] { 1, null }) {
2419	<
2420	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2421	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2422	<	final IncAction r = new IncAction();
2606	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2607	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2608	>	checkIncomplete(h0);
2609	>	checkIncomplete(h1);
2610	>	rs[0].assertNotInvoked();
2611	>	rs[1].assertNotInvoked();
2612	>	f.cancel(mayInterruptIfRunning);
2613	>	checkCompletedWithWrappedCancellationException(h0);
2614	>	checkCompletedWithWrappedCancellationException(h1);
2615	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2616	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2617	>	checkCompletedWithWrappedCancellationException(h2);
2618	>	checkCompletedWithWrappedCancellationException(h3);
2619
2620	<	assertTrue(g.cancel(mayInterruptIfRunning));
2425	<	f.complete(v1);
2426	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2620	>	g.complete(v1);
2621
2622	<	// unspecified behavior
2623	<	Integer v;
2622	>	// unspecified behavior - both source completions available
2623	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2624	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2625		try {
2626	<	assertEquals(h.join(), null);
2627	<	assertEquals(r.invocationCount, 1);
2433	<	assertEquals(inc(v1), r.value);
2626	>	assertNull(h4.join());
2627	>	rs[4].assertValue(v1);
2628		} catch (CompletionException ok) {
2629	<	checkCompletedWithWrappedCancellationException(h);
2630	<	assertEquals(r.invocationCount, 0);
2629	>	checkCompletedWithWrappedCancellationException(h4);
2630	>	rs[4].assertNotInvoked();
2631		}
2438	–
2439	–	checkCancelled(g);
2440	–	checkCompletedNormally(f, v1);
2441	–	}
2442	–	}
2443	–
2444	–	public void testAcceptEither_sourceCancelled4() {
2445	–	for (ExecutionMode m : ExecutionMode.values())
2446	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2447	–	for (Integer v1 : new Integer[] { 1, null }) {
2448	–
2449	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2450	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2451	–	final IncAction r = new IncAction();
2452	–
2453	–	assertTrue(f.cancel(mayInterruptIfRunning));
2454	–	g.complete(v1);
2455	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2456	–
2457	–	// unspecified behavior
2458	–	Integer v;
2632		try {
2633	<	assertEquals(h.join(), null);
2634	<	assertEquals(r.invocationCount, 1);
2462	<	assertEquals(inc(v1), r.value);
2633	>	assertNull(h5.join());
2634	>	rs[5].assertValue(v1);
2635		} catch (CompletionException ok) {
2636	<	checkCompletedWithWrappedCancellationException(h);
2637	<	assertEquals(r.invocationCount, 0);
2636	>	checkCompletedWithWrappedCancellationException(h5);
2637	>	rs[5].assertNotInvoked();
2638		}
2639
2640		checkCancelled(f);
2641		checkCompletedNormally(g, v1);
2642	<	}
2643	<	}
2642	>	checkCompletedWithWrappedCancellationException(h0);
2643	>	checkCompletedWithWrappedCancellationException(h1);
2644	>	checkCompletedWithWrappedCancellationException(h2);
2645	>	checkCompletedWithWrappedCancellationException(h3);
2646	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2647	>	}}
2648
2649		/**
2650	<	* runAfterEither result completes normally after normal completion
2475	<	* of either source
2650	>	* acceptEither result completes exceptionally if action does
2651		*/
2652	<	public void testRunAfterEither_normalCompletion1() {
2652	>	public void testAcceptEither_actionFailed() {
2653		for (ExecutionMode m : ExecutionMode.values())
2654		for (Integer v1 : new Integer[] { 1, null })
2655	<	for (Integer v2 : new Integer[] { 2, null }) {
2656	<
2655	>	for (Integer v2 : new Integer[] { 2, null })
2656	>	{
2657		final CompletableFuture<Integer> f = new CompletableFuture<>();
2658		final CompletableFuture<Integer> g = new CompletableFuture<>();
2659	<	final Noop r = new Noop();
2660	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2659	>	final FailingConsumer[] rs = new FailingConsumer[6];
2660	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2661	>
2662	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2663	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2664	>	f.complete(v1);
2665	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2666	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2667	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2668	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2669	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2670	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2671	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2672
2487	–	f.complete(v1);
2488	–	checkCompletedNormally(h, null);
2489	–	assertEquals(r.invocationCount, 1);
2673		g.complete(v2);
2674
2675	+	// unspecified behavior - both source completions available
2676	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2677	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2678	+
2679	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2680	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2681	+	Objects.equals(v2, rs[4].value));
2682	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2683	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2684	+	Objects.equals(v2, rs[5].value));
2685	+
2686		checkCompletedNormally(f, v1);
2687		checkCompletedNormally(g, v2);
2688	<	checkCompletedNormally(h, null);
2495	<	assertEquals(r.invocationCount, 1);
2496	<	}
2497	<	}
2688	>	}}
2689
2690	<	public void testRunAfterEither_normalCompletion2() {
2690	>	/**
2691	>	* runAfterEither result completes normally after normal completion
2692	>	* of either source
2693	>	*/
2694	>	public void testRunAfterEither_normalCompletion() {
2695		for (ExecutionMode m : ExecutionMode.values())
2696		for (Integer v1 : new Integer[] { 1, null })
2697	<	for (Integer v2 : new Integer[] { 2, null }) {
2698	<
2699	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2700	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2701	<	final Noop r = new Noop();
2702	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2697	>	for (Integer v2 : new Integer[] { 2, null })
2698	>	for (boolean pushNop : new boolean[] { true, false })
2699	>	{
2700	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2701	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2702	>	final Noop[] rs = new Noop[6];
2703	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2704	>
2705	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2706	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2707	>	checkIncomplete(h0);
2708	>	checkIncomplete(h1);
2709	>	rs[0].assertNotInvoked();
2710	>	rs[1].assertNotInvoked();
2711	>	if (pushNop) {          // ad hoc test of intra-completion interference
2712	>	m.thenRun(f, () -> {});
2713	>	m.thenRun(g, () -> {});
2714	>	}
2715	>	f.complete(v1);
2716	>	checkCompletedNormally(h0, null);
2717	>	checkCompletedNormally(h1, null);
2718	>	rs[0].assertInvoked();
2719	>	rs[1].assertInvoked();
2720	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2721	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2722	>	checkCompletedNormally(h2, null);
2723	>	checkCompletedNormally(h3, null);
2724	>	rs[2].assertInvoked();
2725	>	rs[3].assertInvoked();
2726
2727		g.complete(v2);
2510	–	checkCompletedNormally(h, null);
2511	–	assertEquals(r.invocationCount, 1);
2512	–	f.complete(v1);
2728
2729	<	checkCompletedNormally(f, v1);
2730	<	checkCompletedNormally(g, v2);
2516	<	checkCompletedNormally(h, null);
2517	<	assertEquals(r.invocationCount, 1);
2518	<	}
2519	<	}
2520	<	public void testRunAfterEither_normalCompletion3() {
2521	<	for (ExecutionMode m : ExecutionMode.values())
2522	<	for (Integer v1 : new Integer[] { 1, null })
2523	<	for (Integer v2 : new Integer[] { 2, null }) {
2524	<
2525	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2526	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2527	<	final Noop r = new Noop();
2729	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2730	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2731
2529	–	f.complete(v1);
2530	–	g.complete(v2);
2531	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2532	–
2533	–	checkCompletedNormally(h, null);
2732		checkCompletedNormally(f, v1);
2733		checkCompletedNormally(g, v2);
2734	<	assertEquals(r.invocationCount, 1);
2735	<	}
2736	<	}
2734	>	checkCompletedNormally(h0, null);
2735	>	checkCompletedNormally(h1, null);
2736	>	checkCompletedNormally(h2, null);
2737	>	checkCompletedNormally(h3, null);
2738	>	checkCompletedNormally(h4, null);
2739	>	checkCompletedNormally(h5, null);
2740	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2741	>	}}
2742
2743		/**
2744		* runAfterEither result completes exceptionally after exceptional
2745		* completion of either source
2746		*/
2747	<	public void testRunAfterEither_exceptionalCompletion1() {
2747	>	public void testRunAfterEither_exceptionalCompletion() {
2748		for (ExecutionMode m : ExecutionMode.values())
2749	<	for (Integer v1 : new Integer[] { 1, null }) {
2750	<
2749	>	for (Integer v1 : new Integer[] { 1, null })
2750	>	{
2751		final CompletableFuture<Integer> f = new CompletableFuture<>();
2752		final CompletableFuture<Integer> g = new CompletableFuture<>();
2550	–	final Noop r = new Noop();
2551	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2753		final CFException ex = new CFException();
2754	+	final Noop[] rs = new Noop[6];
2755	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2756
2757	<	f.completeExceptionally(ex);
2758	<	checkCompletedWithWrappedCFException(h, ex);
2759	<	g.complete(v1);
2757	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2758	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2759	>	checkIncomplete(h0);
2760	>	checkIncomplete(h1);
2761	>	rs[0].assertNotInvoked();
2762	>	rs[1].assertNotInvoked();
2763	>	assertTrue(f.completeExceptionally(ex));
2764	>	checkCompletedWithWrappedException(h0, ex);
2765	>	checkCompletedWithWrappedException(h1, ex);
2766	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2767	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2768	>	checkCompletedWithWrappedException(h2, ex);
2769	>	checkCompletedWithWrappedException(h3, ex);
2770	>
2771	>	assertTrue(g.complete(v1));
2772	>
2773	>	// unspecified behavior - both source completions available
2774	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2775	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2776	>	try {
2777	>	assertNull(h4.join());
2778	>	rs[4].assertInvoked();
2779	>	} catch (CompletionException ok) {
2780	>	checkCompletedWithWrappedException(h4, ex);
2781	>	rs[4].assertNotInvoked();
2782	>	}
2783	>	try {
2784	>	assertNull(h5.join());
2785	>	rs[5].assertInvoked();
2786	>	} catch (CompletionException ok) {
2787	>	checkCompletedWithWrappedException(h5, ex);
2788	>	rs[5].assertNotInvoked();
2789	>	}
2790
2791	<	assertEquals(r.invocationCount, 0);
2791	>	checkCompletedExceptionally(f, ex);
2792		checkCompletedNormally(g, v1);
2793	<	checkCompletedWithWrappedCFException(f, ex);
2794	<	checkCompletedWithWrappedCFException(h, ex);
2795	<	}
2796	<	}
2793	>	checkCompletedWithWrappedException(h0, ex);
2794	>	checkCompletedWithWrappedException(h1, ex);
2795	>	checkCompletedWithWrappedException(h2, ex);
2796	>	checkCompletedWithWrappedException(h3, ex);
2797	>	checkCompletedWithWrappedException(h4, ex);
2798	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2799	>	}}
2800
2801		public void testRunAfterEither_exceptionalCompletion2() {
2802		for (ExecutionMode m : ExecutionMode.values())
2803	<	for (Integer v1 : new Integer[] { 1, null }) {
2804	<
2805	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2570	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2571	<	final Noop r = new Noop();
2572	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2573	<	final CFException ex = new CFException();
2574	<
2575	<	g.completeExceptionally(ex);
2576	<	checkCompletedWithWrappedCFException(h, ex);
2577	<	f.complete(v1);
2578	<
2579	<	assertEquals(r.invocationCount, 0);
2580	<	checkCompletedNormally(f, v1);
2581	<	checkCompletedWithWrappedCFException(g, ex);
2582	<	checkCompletedWithWrappedCFException(h, ex);
2583	<	}
2584	<	}
2585	<
2586	<	public void testRunAfterEither_exceptionalCompletion3() {
2587	<	for (ExecutionMode m : ExecutionMode.values())
2588	<	for (Integer v1 : new Integer[] { 1, null }) {
2589	<
2803	>	for (boolean fFirst : new boolean[] { true, false })
2804	>	for (Integer v1 : new Integer[] { 1, null })
2805	>	{
2806		final CompletableFuture<Integer> f = new CompletableFuture<>();
2807		final CompletableFuture<Integer> g = new CompletableFuture<>();
2592	–	final Noop r = new Noop();
2808		final CFException ex = new CFException();
2809	+	final Noop[] rs = new Noop[6];
2810	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2811
2812	<	g.completeExceptionally(ex);
2813	<	f.complete(v1);
2814	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2812	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2813	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2814	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2815	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2816	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2817	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2818
2819	<	// unspecified behavior
2600	<	Integer v;
2819	>	// unspecified behavior - both source completions available
2820		try {
2821	<	assertEquals(h.join(), null);
2822	<	assertEquals(r.invocationCount, 1);
2821	>	assertNull(h0.join());
2822	>	rs[0].assertInvoked();
2823		} catch (CompletionException ok) {
2824	<	checkCompletedWithWrappedCFException(h, ex);
2825	<	assertEquals(r.invocationCount, 0);
2824	>	checkCompletedWithWrappedException(h0, ex);
2825	>	rs[0].assertNotInvoked();
2826		}
2827	<
2828	<	checkCompletedWithWrappedCFException(g, ex);
2829	<	checkCompletedNormally(f, v1);
2827	>	try {
2828	>	assertNull(h1.join());
2829	>	rs[1].assertInvoked();
2830	>	} catch (CompletionException ok) {
2831	>	checkCompletedWithWrappedException(h1, ex);
2832	>	rs[1].assertNotInvoked();
2833		}
2612	–	}
2613	–
2614	–	public void testRunAfterEither_exceptionalCompletion4() {
2615	–	for (ExecutionMode m : ExecutionMode.values())
2616	–	for (Integer v1 : new Integer[] { 1, null }) {
2617	–
2618	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2619	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2620	–	final Noop r = new Noop();
2621	–	final CFException ex = new CFException();
2622	–
2623	–	f.completeExceptionally(ex);
2624	–	g.complete(v1);
2625	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2626	–
2627	–	// unspecified behavior
2628	–	Integer v;
2834		try {
2835	<	assertEquals(h.join(), null);
2836	<	assertEquals(r.invocationCount, 1);
2835	>	assertNull(h2.join());
2836	>	rs[2].assertInvoked();
2837		} catch (CompletionException ok) {
2838	<	checkCompletedWithWrappedCFException(h, ex);
2839	<	assertEquals(r.invocationCount, 0);
2838	>	checkCompletedWithWrappedException(h2, ex);
2839	>	rs[2].assertNotInvoked();
2840		}
2841	<
2842	<	checkCompletedWithWrappedCFException(f, ex);
2843	<	checkCompletedNormally(g, v1);
2841	>	try {
2842	>	assertNull(h3.join());
2843	>	rs[3].assertInvoked();
2844	>	} catch (CompletionException ok) {
2845	>	checkCompletedWithWrappedException(h3, ex);
2846	>	rs[3].assertNotInvoked();
2847		}
2640	–	}
2848
2642	–	/**
2643	–	* runAfterEither result completes exceptionally if action does
2644	–	*/
2645	–	public void testRunAfterEither_actionFailed1() {
2646	–	for (ExecutionMode m : ExecutionMode.values())
2647	–	for (Integer v1 : new Integer[] { 1, null })
2648	–	for (Integer v2 : new Integer[] { 2, null }) {
2649	–
2650	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2651	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2652	–	final FailingNoop r = new FailingNoop();
2653	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2654	–
2655	–	f.complete(v1);
2656	–	checkCompletedWithWrappedCFException(h);
2657	–	g.complete(v2);
2849		checkCompletedNormally(f, v1);
2850	<	checkCompletedNormally(g, v2);
2851	<	}
2661	<	}
2662	<
2663	<	public void testRunAfterEither_actionFailed2() {
2664	<	for (ExecutionMode m : ExecutionMode.values())
2665	<	for (Integer v1 : new Integer[] { 1, null })
2666	<	for (Integer v2 : new Integer[] { 2, null }) {
2667	<
2668	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2669	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2670	<	final FailingNoop r = new FailingNoop();
2671	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2672	<
2673	<	g.complete(v2);
2674	<	checkCompletedWithWrappedCFException(h);
2675	<	f.complete(v1);
2676	<	checkCompletedNormally(f, v1);
2677	<	checkCompletedNormally(g, v2);
2678	<	}
2679	<	}
2850	>	checkCompletedExceptionally(g, ex);
2851	>	}}
2852
2853		/**
2854		* runAfterEither result completes exceptionally if either source cancelled
2855		*/
2856	<	public void testRunAfterEither_sourceCancelled1() {
2856	>	public void testRunAfterEither_sourceCancelled() {
2857		for (ExecutionMode m : ExecutionMode.values())
2858		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2859	<	for (Integer v1 : new Integer[] { 1, null }) {
2860	<
2689	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2690	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2691	<	final Noop r = new Noop();
2692	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2693	<
2694	<	assertTrue(f.cancel(mayInterruptIfRunning));
2695	<	checkCompletedWithWrappedCancellationException(h);
2696	<	g.complete(v1);
2697	<
2698	<	checkCancelled(f);
2699	<	assertEquals(r.invocationCount, 0);
2700	<	checkCompletedNormally(g, v1);
2701	<	checkCompletedWithWrappedCancellationException(h);
2702	<	}
2703	<	}
2704	<
2705	<	public void testRunAfterEither_sourceCancelled2() {
2706	<	for (ExecutionMode m : ExecutionMode.values())
2707	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2708	<	for (Integer v1 : new Integer[] { 1, null }) {
2709	<
2859	>	for (Integer v1 : new Integer[] { 1, null })
2860	>	{
2861		final CompletableFuture<Integer> f = new CompletableFuture<>();
2862		final CompletableFuture<Integer> g = new CompletableFuture<>();
2863	<	final Noop r = new Noop();
2864	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2714	<
2715	<	assertTrue(g.cancel(mayInterruptIfRunning));
2716	<	checkCompletedWithWrappedCancellationException(h);
2717	<	f.complete(v1);
2863	>	final Noop[] rs = new Noop[6];
2864	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2865
2866	<	checkCancelled(g);
2867	<	assertEquals(r.invocationCount, 0);
2868	<	checkCompletedNormally(f, v1);
2869	<	checkCompletedWithWrappedCancellationException(h);
2866	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2867	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2868	>	checkIncomplete(h0);
2869	>	checkIncomplete(h1);
2870	>	rs[0].assertNotInvoked();
2871	>	rs[1].assertNotInvoked();
2872	>	f.cancel(mayInterruptIfRunning);
2873	>	checkCompletedWithWrappedCancellationException(h0);
2874	>	checkCompletedWithWrappedCancellationException(h1);
2875	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2876	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2877	>	checkCompletedWithWrappedCancellationException(h2);
2878	>	checkCompletedWithWrappedCancellationException(h3);
2879	>
2880	>	assertTrue(g.complete(v1));
2881	>
2882	>	// unspecified behavior - both source completions available
2883	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2884	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2885	>	try {
2886	>	assertNull(h4.join());
2887	>	rs[4].assertInvoked();
2888	>	} catch (CompletionException ok) {
2889	>	checkCompletedWithWrappedCancellationException(h4);
2890	>	rs[4].assertNotInvoked();
2891		}
2724	–	}
2725	–
2726	–	public void testRunAfterEither_sourceCancelled3() {
2727	–	for (ExecutionMode m : ExecutionMode.values())
2728	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2729	–	for (Integer v1 : new Integer[] { 1, null }) {
2730	–
2731	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2732	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2733	–	final Noop r = new Noop();
2734	–
2735	–	assertTrue(g.cancel(mayInterruptIfRunning));
2736	–	f.complete(v1);
2737	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2738	–
2739	–	// unspecified behavior
2740	–	Integer v;
2892		try {
2893	<	assertEquals(h.join(), null);
2894	<	assertEquals(r.invocationCount, 1);
2893	>	assertNull(h5.join());
2894	>	rs[5].assertInvoked();
2895		} catch (CompletionException ok) {
2896	<	checkCompletedWithWrappedCancellationException(h);
2897	<	assertEquals(r.invocationCount, 0);
2896	>	checkCompletedWithWrappedCancellationException(h5);
2897	>	rs[5].assertNotInvoked();
2898		}
2899
2900	<	checkCancelled(g);
2901	<	checkCompletedNormally(f, v1);
2902	<	}
2903	<	}
2900	>	checkCancelled(f);
2901	>	checkCompletedNormally(g, v1);
2902	>	checkCompletedWithWrappedCancellationException(h0);
2903	>	checkCompletedWithWrappedCancellationException(h1);
2904	>	checkCompletedWithWrappedCancellationException(h2);
2905	>	checkCompletedWithWrappedCancellationException(h3);
2906	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2907	>	}}
2908
2909	<	public void testRunAfterEither_sourceCancelled4() {
2909	>	/**
2910	>	* runAfterEither result completes exceptionally if action does
2911	>	*/
2912	>	public void testRunAfterEither_actionFailed() {
2913		for (ExecutionMode m : ExecutionMode.values())
2914	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2915	<	for (Integer v1 : new Integer[] { 1, null }) {
2916	<
2914	>	for (Integer v1 : new Integer[] { 1, null })
2915	>	for (Integer v2 : new Integer[] { 2, null })
2916	>	{
2917		final CompletableFuture<Integer> f = new CompletableFuture<>();
2918		final CompletableFuture<Integer> g = new CompletableFuture<>();
2919	<	final Noop r = new Noop();
2919	>	final FailingRunnable[] rs = new FailingRunnable[6];
2920	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2921
2922	<	assertTrue(f.cancel(mayInterruptIfRunning));
2923	<	g.complete(v1);
2924	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2922	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2923	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2924	>	assertTrue(f.complete(v1));
2925	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2926	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2927	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2928	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2929	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2930	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2931	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2932	>	assertTrue(g.complete(v2));
2933	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2934	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2935	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2936	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2937
2938	<	// unspecified behavior
2939	<	Integer v;
2940	<	try {
2941	<	assertEquals(h.join(), null);
2771	<	assertEquals(r.invocationCount, 1);
2772	<	} catch (CompletionException ok) {
2773	<	checkCompletedWithWrappedCancellationException(h);
2774	<	assertEquals(r.invocationCount, 0);
2775	<	}
2776	<
2777	<	checkCancelled(f);
2778	<	checkCompletedNormally(g, v1);
2779	<	}
2780	<	}
2938	>	checkCompletedNormally(f, v1);
2939	>	checkCompletedNormally(g, v2);
2940	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2941	>	}}
2942
2943		/**
2944		* thenCompose result completes normally after normal completion of source
2945		*/
2946	<	public void testThenCompose() {
2947	<	CompletableFuture<Integer> f, g;
2948	<	CompletableFutureInc r;
2949	<
2950	<	f = new CompletableFuture<>();
2951	<	g = f.thenCompose(r = new CompletableFutureInc());
2952	<	f.complete(one);
2953	<	checkCompletedNormally(g, two);
2954	<	assertTrue(r.ran);
2946	>	public void testThenCompose_normalCompletion() {
2947	>	for (ExecutionMode m : ExecutionMode.values())
2948	>	for (boolean createIncomplete : new boolean[] { true, false })
2949	>	for (Integer v1 : new Integer[] { 1, null })
2950	>	{
2951	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2952	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2953	>	if (!createIncomplete) assertTrue(f.complete(v1));
2954	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2955	>	if (createIncomplete) assertTrue(f.complete(v1));
2956
2957	<	f = new CompletableFuture<>();
2958	<	f.complete(one);
2959	<	g = f.thenCompose(r = new CompletableFutureInc());
2960	<	checkCompletedNormally(g, two);
2799	<	assertTrue(r.ran);
2800	<	}
2957	>	checkCompletedNormally(g, inc(v1));
2958	>	checkCompletedNormally(f, v1);
2959	>	r.assertValue(v1);
2960	>	}}
2961
2962		/**
2963		* thenCompose result completes exceptionally after exceptional
2964		* completion of source
2965		*/
2966	<	public void testThenCompose2() {
2967	<	CompletableFuture<Integer> f, g;
2968	<	CompletableFutureInc r;
2969	<
2970	<	f = new CompletableFuture<>();
2971	<	g = f.thenCompose(r = new CompletableFutureInc());
2972	<	f.completeExceptionally(new CFException());
2973	<	checkCompletedWithWrappedCFException(g);
2974	<
2975	<	f = new CompletableFuture<>();
2976	<	f.completeExceptionally(new CFException());
2977	<	g = f.thenCompose(r = new CompletableFutureInc());
2978	<	checkCompletedWithWrappedCFException(g);
2979	<	}
2966	>	public void testThenCompose_exceptionalCompletion() {
2967	>	for (ExecutionMode m : ExecutionMode.values())
2968	>	for (boolean createIncomplete : new boolean[] { true, false })
2969	>	{
2970	>	final CFException ex = new CFException();
2971	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2972	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2973	>	if (!createIncomplete) f.completeExceptionally(ex);
2974	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2975	>	if (createIncomplete) f.completeExceptionally(ex);
2976	>
2977	>	checkCompletedWithWrappedException(g, ex);
2978	>	checkCompletedExceptionally(f, ex);
2979	>	r.assertNotInvoked();
2980	>	}}
2981
2982		/**
2983		* thenCompose result completes exceptionally if action does
2984		*/
2985	<	public void testThenCompose3() {
2986	<	CompletableFuture<Integer> f, g;
2987	<	FailingCompletableFutureFunction r;
2988	<
2989	<	f = new CompletableFuture<>();
2990	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2991	<	f.complete(one);
2992	<	checkCompletedWithWrappedCFException(g);
2985	>	public void testThenCompose_actionFailed() {
2986	>	for (ExecutionMode m : ExecutionMode.values())
2987	>	for (boolean createIncomplete : new boolean[] { true, false })
2988	>	for (Integer v1 : new Integer[] { 1, null })
2989	>	{
2990	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2991	>	final FailingCompletableFutureFunction r
2992	>	= new FailingCompletableFutureFunction(m);
2993	>	if (!createIncomplete) assertTrue(f.complete(v1));
2994	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2995	>	if (createIncomplete) assertTrue(f.complete(v1));
2996
2997	<	f = new CompletableFuture<>();
2998	<	f.complete(one);
2999	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2836	<	checkCompletedWithWrappedCFException(g);
2837	<	}
2997	>	checkCompletedWithWrappedException(g, r.ex);
2998	>	checkCompletedNormally(f, v1);
2999	>	}}
3000
3001		/**
3002		* thenCompose result completes exceptionally if source cancelled
3003		*/
3004	<	public void testThenCompose4() {
3005	<	CompletableFuture<Integer> f, g;
3006	<	CompletableFutureInc r;
3007	<
3008	<	f = new CompletableFuture<>();
3009	<	g = f.thenCompose(r = new CompletableFutureInc());
3010	<	assertTrue(f.cancel(true));
3011	<	checkCompletedWithWrappedCancellationException(g);
3012	<
3013	<	f = new CompletableFuture<>();
3014	<	assertTrue(f.cancel(true));
3015	<	g = f.thenCompose(r = new CompletableFutureInc());
3016	<	checkCompletedWithWrappedCancellationException(g);
2855	<	}
2856	<
2857	<	// asyncs
2858	<
2859	<	/**
2860	<	* thenRunAsync result completes normally after normal completion of source
2861	<	*/
2862	<	public void testThenRunAsync() {
2863	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2864	<	Noop r = new Noop();
2865	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2866	<	f.complete(null);
2867	<	checkCompletedNormally(g, null);
2868	<
2869	<	// reordered version
2870	<	f = new CompletableFuture<>();
2871	<	f.complete(null);
2872	<	r = new Noop();
2873	<	g = f.thenRunAsync(r);
2874	<	checkCompletedNormally(g, null);
2875	<	}
2876	<
2877	<	/**
2878	<	* thenRunAsync result completes exceptionally after exceptional
2879	<	* completion of source
2880	<	*/
2881	<	public void testThenRunAsync2() {
2882	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2883	<	Noop r = new Noop();
2884	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2885	<	f.completeExceptionally(new CFException());
2886	<	try {
2887	<	g.join();
2888	<	shouldThrow();
2889	<	} catch (CompletionException success) {}
2890	<	checkCompletedWithWrappedCFException(g);
2891	<	}
2892	<
2893	<	/**
2894	<	* thenRunAsync result completes exceptionally if action does
2895	<	*/
2896	<	public void testThenRunAsync3() {
2897	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2898	<	FailingNoop r = new FailingNoop();
2899	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2900	<	f.complete(null);
2901	<	checkCompletedWithWrappedCFException(g);
2902	<	}
2903	<
2904	<	/**
2905	<	* thenRunAsync result completes exceptionally if source cancelled
2906	<	*/
2907	<	public void testThenRunAsync4() {
2908	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2909	<	Noop r = new Noop();
2910	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2911	<	assertTrue(f.cancel(true));
2912	<	checkCompletedWithWrappedCancellationException(g);
2913	<	}
2914	<
2915	<	/**
2916	<	* thenApplyAsync result completes normally after normal completion of source
2917	<	*/
2918	<	public void testThenApplyAsync() {
2919	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2920	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2921	<	f.complete(one);
2922	<	checkCompletedNormally(g, two);
2923	<	}
2924	<
2925	<	/**
2926	<	* thenApplyAsync result completes exceptionally after exceptional
2927	<	* completion of source
2928	<	*/
2929	<	public void testThenApplyAsync2() {
2930	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2931	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2932	<	f.completeExceptionally(new CFException());
2933	<	checkCompletedWithWrappedCFException(g);
2934	<	}
2935	<
2936	<	/**
2937	<	* thenApplyAsync result completes exceptionally if action does
2938	<	*/
2939	<	public void testThenApplyAsync3() {
2940	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2941	<	FailingFunction r = new FailingFunction();
2942	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2943	<	f.complete(null);
2944	<	checkCompletedWithWrappedCFException(g);
2945	<	}
2946	<
2947	<	/**
2948	<	* thenApplyAsync result completes exceptionally if source cancelled
2949	<	*/
2950	<	public void testThenApplyAsync4() {
2951	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2952	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2953	<	assertTrue(f.cancel(true));
2954	<	checkCompletedWithWrappedCancellationException(g);
2955	<	}
2956	<
2957	<	/**
2958	<	* thenAcceptAsync result completes normally after normal
2959	<	* completion of source
2960	<	*/
2961	<	public void testThenAcceptAsync() {
2962	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2963	<	IncAction r = new IncAction();
2964	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2965	<	f.complete(one);
2966	<	checkCompletedNormally(g, null);
2967	<	assertEquals(r.value, (Integer) 2);
2968	<	}
2969	<
2970	<	/**
2971	<	* thenAcceptAsync result completes exceptionally after exceptional
2972	<	* completion of source
2973	<	*/
2974	<	public void testThenAcceptAsync2() {
2975	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2976	<	IncAction r = new IncAction();
2977	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2978	<	f.completeExceptionally(new CFException());
2979	<	checkCompletedWithWrappedCFException(g);
2980	<	}
2981	<
2982	<	/**
2983	<	* thenAcceptAsync result completes exceptionally if action does
2984	<	*/
2985	<	public void testThenAcceptAsync3() {
2986	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2987	<	FailingConsumer r = new FailingConsumer();
2988	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2989	<	f.complete(null);
2990	<	checkCompletedWithWrappedCFException(g);
2991	<	}
2992	<
2993	<	/**
2994	<	* thenAcceptAsync result completes exceptionally if source cancelled
2995	<	*/
2996	<	public void testThenAcceptAsync4() {
2997	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2998	<	IncAction r = new IncAction();
2999	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3000	<	assertTrue(f.cancel(true));
3001	<	checkCompletedWithWrappedCancellationException(g);
3002	<	}
3003	<
3004	<	/**
3005	<	* thenComposeAsync result completes normally after normal
3006	<	* completion of source
3007	<	*/
3008	<	public void testThenComposeAsync() {
3009	<	CompletableFuture<Integer> f, g;
3010	<	CompletableFutureInc r;
3011	<
3012	<	f = new CompletableFuture<>();
3013	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3014	<	f.complete(one);
3015	<	checkCompletedNormally(g, two);
3016	<
3017	<	f = new CompletableFuture<>();
3018	<	f.complete(one);
3019	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3020	<	checkCompletedNormally(g, two);
3021	<	}
3022	<
3023	<	/**
3024	<	* thenComposeAsync result completes exceptionally after
3025	<	* exceptional completion of source
3026	<	*/
3027	<	public void testThenComposeAsync2() {
3028	<	CompletableFuture<Integer> f, g;
3029	<	CompletableFutureInc r;
3030	<
3031	<	f = new CompletableFuture<>();
3032	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3033	<	f.completeExceptionally(new CFException());
3034	<	checkCompletedWithWrappedCFException(g);
3035	<	assertFalse(r.ran);
3036	<
3037	<	f = new CompletableFuture<>();
3038	<	f.completeExceptionally(new CFException());
3039	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3040	<	checkCompletedWithWrappedCFException(g);
3041	<	assertFalse(r.ran);
3042	<	}
3043	<
3044	<	/**
3045	<	* thenComposeAsync result completes exceptionally if action does
3046	<	*/
3047	<	public void testThenComposeAsync3() {
3048	<	CompletableFuture<Integer> f, g;
3049	<	FailingCompletableFutureFunction r;
3050	<
3051	<	f = new CompletableFuture<>();
3052	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
3053	<	f.complete(one);
3054	<	checkCompletedWithWrappedCFException(g);
3055	<
3056	<	f = new CompletableFuture<>();
3057	<	f.complete(one);
3058	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
3059	<	checkCompletedWithWrappedCFException(g);
3060	<	}
3061	<
3062	<	/**
3063	<	* thenComposeAsync result completes exceptionally if source cancelled
3064	<	*/
3065	<	public void testThenComposeAsync4() {
3066	<	CompletableFuture<Integer> f, g;
3067	<	CompletableFutureInc r;
3068	<
3069	<	f = new CompletableFuture<>();
3070	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3071	<	assertTrue(f.cancel(true));
3072	<	checkCompletedWithWrappedCancellationException(g);
3073	<
3074	<	f = new CompletableFuture<>();
3075	<	assertTrue(f.cancel(true));
3076	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3077	<	checkCompletedWithWrappedCancellationException(g);
3078	<	}
3079	<
3080	<	// async with explicit executors
3081	<
3082	<	/**
3083	<	* thenRunAsync result completes normally after normal completion of source
3084	<	*/
3085	<	public void testThenRunAsyncE() {
3086	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3087	<	Noop r = new Noop();
3088	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3089	<	f.complete(null);
3090	<	checkCompletedNormally(g, null);
3091	<
3092	<	// reordered version
3093	<	f = new CompletableFuture<>();
3094	<	f.complete(null);
3095	<	r = new Noop();
3096	<	g = f.thenRunAsync(r, new ThreadExecutor());
3097	<	checkCompletedNormally(g, null);
3098	<	}
3099	<
3100	<	/**
3101	<	* thenRunAsync result completes exceptionally after exceptional
3102	<	* completion of source
3103	<	*/
3104	<	public void testThenRunAsync2E() {
3105	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3106	<	Noop r = new Noop();
3107	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3108	<	f.completeExceptionally(new CFException());
3109	<	try {
3110	<	g.join();
3111	<	shouldThrow();
3112	<	} catch (CompletionException success) {}
3113	<	checkCompletedWithWrappedCFException(g);
3114	<	}
3115	<
3116	<	/**
3117	<	* thenRunAsync result completes exceptionally if action does
3118	<	*/
3119	<	public void testThenRunAsync3E() {
3120	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3121	<	FailingNoop r = new FailingNoop();
3122	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3123	<	f.complete(null);
3124	<	checkCompletedWithWrappedCFException(g);
3125	<	}
3126	<
3127	<	/**
3128	<	* thenRunAsync result completes exceptionally if source cancelled
3129	<	*/
3130	<	public void testThenRunAsync4E() {
3131	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3132	<	Noop r = new Noop();
3133	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3134	<	assertTrue(f.cancel(true));
3135	<	checkCompletedWithWrappedCancellationException(g);
3136	<	}
3137	<
3138	<	/**
3139	<	* thenApplyAsync result completes normally after normal completion of source
3140	<	*/
3141	<	public void testThenApplyAsyncE() {
3142	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3143	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3144	<	f.complete(one);
3145	<	checkCompletedNormally(g, two);
3146	<	}
3147	<
3148	<	/**
3149	<	* thenApplyAsync result completes exceptionally after exceptional
3150	<	* completion of source
3151	<	*/
3152	<	public void testThenApplyAsync2E() {
3153	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3154	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3155	<	f.completeExceptionally(new CFException());
3156	<	checkCompletedWithWrappedCFException(g);
3157	<	}
3158	<
3159	<	/**
3160	<	* thenApplyAsync result completes exceptionally if action does
3161	<	*/
3162	<	public void testThenApplyAsync3E() {
3163	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3164	<	FailingFunction r = new FailingFunction();
3165	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3166	<	f.complete(null);
3167	<	checkCompletedWithWrappedCFException(g);
3168	<	}
3169	<
3170	<	/**
3171	<	* thenApplyAsync result completes exceptionally if source cancelled
3172	<	*/
3173	<	public void testThenApplyAsync4E() {
3174	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3175	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3176	<	assertTrue(f.cancel(true));
3177	<	checkCompletedWithWrappedCancellationException(g);
3178	<	}
3179	<
3180	<	/**
3181	<	* thenAcceptAsync result completes normally after normal
3182	<	* completion of source
3183	<	*/
3184	<	public void testThenAcceptAsyncE() {
3185	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3186	<	IncAction r = new IncAction();
3187	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3188	<	f.complete(one);
3189	<	checkCompletedNormally(g, null);
3190	<	assertEquals(r.value, (Integer) 2);
3191	<	}
3192	<
3193	<	/**
3194	<	* thenAcceptAsync result completes exceptionally after exceptional
3195	<	* completion of source
3196	<	*/
3197	<	public void testThenAcceptAsync2E() {
3198	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3199	<	IncAction r = new IncAction();
3200	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3201	<	f.completeExceptionally(new CFException());
3202	<	checkCompletedWithWrappedCFException(g);
3203	<	}
3204	<
3205	<	/**
3206	<	* thenAcceptAsync result completes exceptionally if action does
3207	<	*/
3208	<	public void testThenAcceptAsync3E() {
3209	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3210	<	FailingConsumer r = new FailingConsumer();
3211	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3212	<	f.complete(null);
3213	<	checkCompletedWithWrappedCFException(g);
3214	<	}
3004	>	public void testThenCompose_sourceCancelled() {
3005	>	for (ExecutionMode m : ExecutionMode.values())
3006	>	for (boolean createIncomplete : new boolean[] { true, false })
3007	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3008	>	{
3009	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3010	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3011	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3012	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3013	>	if (createIncomplete) {
3014	>	checkIncomplete(g);
3015	>	assertTrue(f.cancel(mayInterruptIfRunning));
3016	>	}
3017
3216	–	/**
3217	–	* thenAcceptAsync result completes exceptionally if source cancelled
3218	–	*/
3219	–	public void testThenAcceptAsync4E() {
3220	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3221	–	IncAction r = new IncAction();
3222	–	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3223	–	assertTrue(f.cancel(true));
3018		checkCompletedWithWrappedCancellationException(g);
3019	<	}
3020	<
3227	<	/**
3228	<	* thenComposeAsync result completes normally after normal
3229	<	* completion of source
3230	<	*/
3231	<	public void testThenComposeAsyncE() {
3232	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3233	<	CompletableFutureInc r = new CompletableFutureInc();
3234	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3235	<	f.complete(one);
3236	<	checkCompletedNormally(g, two);
3237	<	}
3238	<
3239	<	/**
3240	<	* thenComposeAsync result completes exceptionally after
3241	<	* exceptional completion of source
3242	<	*/
3243	<	public void testThenComposeAsync2E() {
3244	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3245	<	CompletableFutureInc r = new CompletableFutureInc();
3246	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3247	<	f.completeExceptionally(new CFException());
3248	<	checkCompletedWithWrappedCFException(g);
3249	<	}
3019	>	checkCancelled(f);
3020	>	}}
3021
3022		/**
3023	<	* thenComposeAsync result completes exceptionally if action does
3023	>	* thenCompose result completes exceptionally if the result of the action does
3024		*/
3025	<	public void testThenComposeAsync3E() {
3026	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3027	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3028	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3029	<	f.complete(one);
3030	<	checkCompletedWithWrappedCFException(g);
3031	<	}
3025	>	public void testThenCompose_actionReturnsFailingFuture() {
3026	>	for (ExecutionMode m : ExecutionMode.values())
3027	>	for (int order = 0; order < 6; order++)
3028	>	for (Integer v1 : new Integer[] { 1, null })
3029	>	{
3030	>	final CFException ex = new CFException();
3031	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3032	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3033	>	final CompletableFuture<Integer> h;
3034	>	// Test all permutations of orders
3035	>	switch (order) {
3036	>	case 0:
3037	>	assertTrue(f.complete(v1));
3038	>	assertTrue(g.completeExceptionally(ex));
3039	>	h = m.thenCompose(f, (x -> g));
3040	>	break;
3041	>	case 1:
3042	>	assertTrue(f.complete(v1));
3043	>	h = m.thenCompose(f, (x -> g));
3044	>	assertTrue(g.completeExceptionally(ex));
3045	>	break;
3046	>	case 2:
3047	>	assertTrue(g.completeExceptionally(ex));
3048	>	assertTrue(f.complete(v1));
3049	>	h = m.thenCompose(f, (x -> g));
3050	>	break;
3051	>	case 3:
3052	>	assertTrue(g.completeExceptionally(ex));
3053	>	h = m.thenCompose(f, (x -> g));
3054	>	assertTrue(f.complete(v1));
3055	>	break;
3056	>	case 4:
3057	>	h = m.thenCompose(f, (x -> g));
3058	>	assertTrue(f.complete(v1));
3059	>	assertTrue(g.completeExceptionally(ex));
3060	>	break;
3061	>	case 5:
3062	>	h = m.thenCompose(f, (x -> g));
3063	>	assertTrue(f.complete(v1));
3064	>	assertTrue(g.completeExceptionally(ex));
3065	>	break;
3066	>	default: throw new AssertionError();
3067	>	}
3068
3069	<	/**
3070	<	* thenComposeAsync result completes exceptionally if source cancelled
3071	<	*/
3072	<	public void testThenComposeAsync4E() {
3266	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3267	<	CompletableFutureInc r = new CompletableFutureInc();
3268	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3269	<	assertTrue(f.cancel(true));
3270	<	checkCompletedWithWrappedCancellationException(g);
3271	<	}
3069	>	checkCompletedExceptionally(g, ex);
3070	>	checkCompletedWithWrappedException(h, ex);
3071	>	checkCompletedNormally(f, v1);
3072	>	}}
3073
3074		// other static methods
3075
#	Line 3286 | Line 3087 | public class CompletableFutureTest exten
3087		* when all components complete normally
3088		*/
3089		public void testAllOf_normal() throws Exception {
3090	<	for (int k = 1; k < 20; ++k) {
3091	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3092	<	for (int i = 0; i < k; ++i)
3090	>	for (int k = 1; k < 10; k++) {
3091	>	CompletableFuture<Integer>[] fs
3092	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3093	>	for (int i = 0; i < k; i++)
3094		fs[i] = new CompletableFuture<>();
3095		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3096	<	for (int i = 0; i < k; ++i) {
3096	>	for (int i = 0; i < k; i++) {
3097		checkIncomplete(f);
3098		checkIncomplete(CompletableFuture.allOf(fs));
3099		fs[i].complete(one);
#	Line 3301 | Line 3103 | public class CompletableFutureTest exten
3103		}
3104		}
3105
3106	+	public void testAllOf_normal_backwards() throws Exception {
3107	+	for (int k = 1; k < 10; k++) {
3108	+	CompletableFuture<Integer>[] fs
3109	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3110	+	for (int i = 0; i < k; i++)
3111	+	fs[i] = new CompletableFuture<>();
3112	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3113	+	for (int i = k - 1; i >= 0; i--) {
3114	+	checkIncomplete(f);
3115	+	checkIncomplete(CompletableFuture.allOf(fs));
3116	+	fs[i].complete(one);
3117	+	}
3118	+	checkCompletedNormally(f, null);
3119	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3120	+	}
3121	+	}
3122	+
3123	+	public void testAllOf_exceptional() throws Exception {
3124	+	for (int k = 1; k < 10; k++) {
3125	+	CompletableFuture<Integer>[] fs
3126	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3127	+	CFException ex = new CFException();
3128	+	for (int i = 0; i < k; i++)
3129	+	fs[i] = new CompletableFuture<>();
3130	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3131	+	for (int i = 0; i < k; i++) {
3132	+	checkIncomplete(f);
3133	+	checkIncomplete(CompletableFuture.allOf(fs));
3134	+	if (i != k / 2) {
3135	+	fs[i].complete(i);
3136	+	checkCompletedNormally(fs[i], i);
3137	+	} else {
3138	+	fs[i].completeExceptionally(ex);
3139	+	checkCompletedExceptionally(fs[i], ex);
3140	+	}
3141	+	}
3142	+	checkCompletedWithWrappedException(f, ex);
3143	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3144	+	}
3145	+	}
3146	+
3147		/**
3148		* anyOf(no component futures) returns an incomplete future
3149		*/
3150		public void testAnyOf_empty() throws Exception {
3151	+	for (Integer v1 : new Integer[] { 1, null })
3152	+	{
3153		CompletableFuture<Object> f = CompletableFuture.anyOf();
3154		checkIncomplete(f);
3155	<	}
3155	>
3156	>	f.complete(v1);
3157	>	checkCompletedNormally(f, v1);
3158	>	}}
3159
3160		/**
3161		* anyOf returns a future completed normally with a value when
3162		* a component future does
3163		*/
3164		public void testAnyOf_normal() throws Exception {
3165	<	for (int k = 0; k < 10; ++k) {
3165	>	for (int k = 0; k < 10; k++) {
3166		CompletableFuture[] fs = new CompletableFuture[k];
3167	<	for (int i = 0; i < k; ++i)
3167	>	for (int i = 0; i < k; i++)
3168		fs[i] = new CompletableFuture<>();
3169		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3170		checkIncomplete(f);
3171	<	for (int i = 0; i < k; ++i) {
3172	<	fs[i].complete(one);
3173	<	checkCompletedNormally(f, one);
3174	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3171	>	for (int i = 0; i < k; i++) {
3172	>	fs[i].complete(i);
3173	>	checkCompletedNormally(f, 0);
3174	>	int x = (int) CompletableFuture.anyOf(fs).join();
3175	>	assertTrue(0 <= x && x <= i);
3176	>	}
3177	>	}
3178	>	}
3179	>	public void testAnyOf_normal_backwards() throws Exception {
3180	>	for (int k = 0; k < 10; k++) {
3181	>	CompletableFuture[] fs = new CompletableFuture[k];
3182	>	for (int i = 0; i < k; i++)
3183	>	fs[i] = new CompletableFuture<>();
3184	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3185	>	checkIncomplete(f);
3186	>	for (int i = k - 1; i >= 0; i--) {
3187	>	fs[i].complete(i);
3188	>	checkCompletedNormally(f, k - 1);
3189	>	int x = (int) CompletableFuture.anyOf(fs).join();
3190	>	assertTrue(i <= x && x <= k - 1);
3191		}
3192		}
3193		}
#	Line 3332 | Line 3196 | public class CompletableFutureTest exten
3196		* anyOf result completes exceptionally when any component does.
3197		*/
3198		public void testAnyOf_exceptional() throws Exception {
3199	<	for (int k = 0; k < 10; ++k) {
3199	>	for (int k = 0; k < 10; k++) {
3200	>	CompletableFuture[] fs = new CompletableFuture[k];
3201	>	CFException[] exs = new CFException[k];
3202	>	for (int i = 0; i < k; i++) {
3203	>	fs[i] = new CompletableFuture<>();
3204	>	exs[i] = new CFException();
3205	>	}
3206	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3207	>	checkIncomplete(f);
3208	>	for (int i = 0; i < k; i++) {
3209	>	fs[i].completeExceptionally(exs[i]);
3210	>	checkCompletedWithWrappedException(f, exs[0]);
3211	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3212	>	}
3213	>	}
3214	>	}
3215	>
3216	>	public void testAnyOf_exceptional_backwards() throws Exception {
3217	>	for (int k = 0; k < 10; k++) {
3218		CompletableFuture[] fs = new CompletableFuture[k];
3219	<	for (int i = 0; i < k; ++i)
3219	>	CFException[] exs = new CFException[k];
3220	>	for (int i = 0; i < k; i++) {
3221		fs[i] = new CompletableFuture<>();
3222	+	exs[i] = new CFException();
3223	+	}
3224		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3225		checkIncomplete(f);
3226	<	for (int i = 0; i < k; ++i) {
3227	<	fs[i].completeExceptionally(new CFException());
3228	<	checkCompletedWithWrappedCFException(f);
3226	>	for (int i = k - 1; i >= 0; i--) {
3227	>	fs[i].completeExceptionally(exs[i]);
3228	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3229		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3230		}
3231		}
#	Line 3349 | Line 3234 | public class CompletableFutureTest exten
3234		/**
3235		* Completion methods throw NullPointerException with null arguments
3236		*/
3237	+	@SuppressWarnings("FutureReturnValueIgnored")
3238		public void testNPE() {
3239		CompletableFuture<Integer> f = new CompletableFuture<>();
3240		CompletableFuture<Integer> g = new CompletableFuture<>();
3241		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3356	–	CompletableFuture<?> h;
3242		ThreadExecutor exec = new ThreadExecutor();
3243
3244		Runnable[] throwingActions = {
3245		() -> CompletableFuture.supplyAsync(null),
3246		() -> CompletableFuture.supplyAsync(null, exec),
3247	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3247	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3248
3249		() -> CompletableFuture.runAsync(null),
3250		() -> CompletableFuture.runAsync(null, exec),
#	Line 3369 | Line 3254 | public class CompletableFutureTest exten
3254
3255		() -> f.thenApply(null),
3256		() -> f.thenApplyAsync(null),
3257	<	() -> f.thenApplyAsync((x) -> x, null),
3257	>	() -> f.thenApplyAsync(x -> x, null),
3258		() -> f.thenApplyAsync(null, exec),
3259
3260		() -> f.thenAccept(null),
3261		() -> f.thenAcceptAsync(null),
3262	<	() -> f.thenAcceptAsync((x) -> {} , null),
3262	>	() -> f.thenAcceptAsync(x -> {} , null),
3263		() -> f.thenAcceptAsync(null, exec),
3264
3265		() -> f.thenRun(null),
#	Line 3409 | Line 3294 | public class CompletableFutureTest exten
3294		() -> f.applyToEither(g, null),
3295		() -> f.applyToEitherAsync(g, null),
3296		() -> f.applyToEitherAsync(g, null, exec),
3297	<	() -> f.applyToEither(nullFuture, (x) -> x),
3298	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3299	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3300	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3297	>	() -> f.applyToEither(nullFuture, x -> x),
3298	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3299	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3300	>	() -> f.applyToEitherAsync(g, x -> x, null),
3301
3302		() -> f.acceptEither(g, null),
3303		() -> f.acceptEitherAsync(g, null),
3304		() -> f.acceptEitherAsync(g, null, exec),
3305	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3306	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3307	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3308	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3305	>	() -> f.acceptEither(nullFuture, x -> {}),
3306	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3307	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3308	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3309
3310		() -> f.runAfterEither(g, null),
3311		() -> f.runAfterEitherAsync(g, null),
#	Line 3432 | Line 3317 | public class CompletableFutureTest exten
3317
3318		() -> f.thenCompose(null),
3319		() -> f.thenComposeAsync(null),
3320	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3320	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3321		() -> f.thenComposeAsync(null, exec),
3322
3323		() -> f.exceptionally(null),
#	Line 3450 | Line 3335 | public class CompletableFutureTest exten
3335		() -> CompletableFuture.anyOf(null, f),
3336
3337		() -> f.obtrudeException(null),
3338	+
3339	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3340	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3341	+	() -> CompletableFuture.delayedExecutor(1L, null),
3342	+
3343	+	() -> f.orTimeout(1L, null),
3344	+	() -> f.completeOnTimeout(42, 1L, null),
3345	+
3346	+	() -> CompletableFuture.failedFuture(null),
3347	+	() -> CompletableFuture.failedStage(null),
3348		};
3349
3350		assertThrows(NullPointerException.class, throwingActions);
#	Line 3457 | Line 3352 | public class CompletableFutureTest exten
3352		}
3353
3354		/**
3355	+	* Test submissions to an executor that rejects all tasks.
3356	+	*/
3357	+	public void testRejectingExecutor() {
3358	+	for (Integer v : new Integer[] { 1, null })
3359	+	{
3360	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3361	+
3362	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3363	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3364	+
3365	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3366	+
3367	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3368	+	srcs.add(complete);
3369	+	srcs.add(incomplete);
3370	+
3371	+	for (CompletableFuture<Integer> src : srcs) {
3372	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3373	+	fs.add(src.thenRunAsync(() -> {}, e));
3374	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3375	+	fs.add(src.thenApplyAsync(z -> z, e));
3376	+
3377	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3378	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3379	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3380	+
3381	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3382	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3383	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3384	+
3385	+	fs.add(src.thenComposeAsync(z -> null, e));
3386	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3387	+	fs.add(src.handleAsync((z, t) -> null, e));
3388	+
3389	+	for (CompletableFuture<?> future : fs) {
3390	+	if (src.isDone())
3391	+	checkCompletedWithWrappedException(future, e.ex);
3392	+	else
3393	+	checkIncomplete(future);
3394	+	}
3395	+	futures.addAll(fs);
3396	+	}
3397	+
3398	+	{
3399	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3400	+
3401	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3402	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3403	+
3404	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3405	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3406	+
3407	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3408	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3409	+
3410	+	for (CompletableFuture<?> future : fs)
3411	+	checkIncomplete(future);
3412	+	futures.addAll(fs);
3413	+	}
3414	+
3415	+	{
3416	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3417	+
3418	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3419	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3420	+
3421	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3422	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3423	+
3424	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3425	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3426	+
3427	+	for (CompletableFuture<?> future : fs)
3428	+	checkCompletedWithWrappedException(future, e.ex);
3429	+	futures.addAll(fs);
3430	+	}
3431	+
3432	+	incomplete.complete(v);
3433	+
3434	+	for (CompletableFuture<?> future : futures)
3435	+	checkCompletedWithWrappedException(future, e.ex);
3436	+
3437	+	assertEquals(futures.size(), e.count.get());
3438	+	}}
3439	+
3440	+	/**
3441	+	* Test submissions to an executor that rejects all tasks, but
3442	+	* should never be invoked because the dependent future is
3443	+	* explicitly completed.
3444	+	*/
3445	+	public void testRejectingExecutorNeverInvoked() {
3446	+	for (Integer v : new Integer[] { 1, null })
3447	+	{
3448	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3449	+
3450	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3451	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3452	+
3453	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3454	+
3455	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3456	+	srcs.add(complete);
3457	+	srcs.add(incomplete);
3458	+
3459	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3460	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3461	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3462	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3463	+
3464	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3465	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3466	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3467	+
3468	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3469	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3470	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3471	+
3472	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3473	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3474	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3475	+
3476	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3477	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3478	+
3479	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3480	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3481	+
3482	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3483	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3484	+
3485	+	for (CompletableFuture<?> future : fs)
3486	+	checkIncomplete(future);
3487	+
3488	+	for (CompletableFuture<?> future : fs)
3489	+	future.complete(null);
3490	+
3491	+	incomplete.complete(v);
3492	+
3493	+	for (CompletableFuture<?> future : fs)
3494	+	checkCompletedNormally(future, null);
3495	+
3496	+	assertEquals(0, e.count.get());
3497	+	}}
3498	+
3499	+	/**
3500		* toCompletableFuture returns this CompletableFuture.
3501		*/
3502		public void testToCompletableFuture() {
#	Line 3464 | Line 3504 | public class CompletableFutureTest exten
3504		assertSame(f, f.toCompletableFuture());
3505		}
3506
3507	+	// jdk9
3508	+
3509		/**
3510	<	* whenComplete action executes on normal completion, propagating
3469	<	* source result.
3510	>	* newIncompleteFuture returns an incomplete CompletableFuture
3511		*/
3512	<	public void testWhenComplete_normalCompletion1() {
3513	<	for (ExecutionMode m : ExecutionMode.values())
3514	<	for (Integer v1 : new Integer[] { 1, null }) {
3515	<
3516	<	final AtomicInteger a = new AtomicInteger();
3517	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3518	<	final CompletableFuture<Integer> g =
3478	<	m.whenComplete(f,
3479	<	(Integer x, Throwable t) -> {
3480	<	threadAssertSame(x, v1);
3481	<	threadAssertNull(t);
3482	<	a.getAndIncrement();
3483	<	});
3512	>	public void testNewIncompleteFuture() {
3513	>	for (Integer v1 : new Integer[] { 1, null })
3514	>	{
3515	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3516	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3517	>	checkIncomplete(f);
3518	>	checkIncomplete(g);
3519		f.complete(v1);
3520		checkCompletedNormally(f, v1);
3521	+	checkIncomplete(g);
3522	+	g.complete(v1);
3523	+	checkCompletedNormally(g, v1);
3524	+	assertSame(g.getClass(), CompletableFuture.class);
3525	+	}}
3526	+
3527	+	/**
3528	+	* completedStage returns a completed CompletionStage
3529	+	*/
3530	+	public void testCompletedStage() {
3531	+	AtomicInteger x = new AtomicInteger(0);
3532	+	AtomicReference<Throwable> r = new AtomicReference<>();
3533	+	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3534	+	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3535	+	assertEquals(x.get(), 1);
3536	+	assertNull(r.get());
3537	+	}
3538	+
3539	+	/**
3540	+	* defaultExecutor by default returns the commonPool if
3541	+	* it supports more than one thread.
3542	+	*/
3543	+	public void testDefaultExecutor() {
3544	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3545	+	Executor e = f.defaultExecutor();
3546	+	Executor c = ForkJoinPool.commonPool();
3547	+	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3548	+	assertSame(e, c);
3549	+	else
3550	+	assertNotSame(e, c);
3551	+	}
3552	+
3553	+	/**
3554	+	* failedFuture returns a CompletableFuture completed
3555	+	* exceptionally with the given Exception
3556	+	*/
3557	+	public void testFailedFuture() {
3558	+	CFException ex = new CFException();
3559	+	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3560	+	checkCompletedExceptionally(f, ex);
3561	+	}
3562	+
3563	+	/**
3564	+	* failedFuture(null) throws NPE
3565	+	*/
3566	+	public void testFailedFuture_null() {
3567	+	try {
3568	+	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3569	+	shouldThrow();
3570	+	} catch (NullPointerException success) {}
3571	+	}
3572	+
3573	+	/**
3574	+	* copy returns a CompletableFuture that is completed normally,
3575	+	* with the same value, when source is.
3576	+	*/
3577	+	public void testCopy_normalCompletion() {
3578	+	for (boolean createIncomplete : new boolean[] { true, false })
3579	+	for (Integer v1 : new Integer[] { 1, null })
3580	+	{
3581	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3582	+	if (!createIncomplete) assertTrue(f.complete(v1));
3583	+	CompletableFuture<Integer> g = f.copy();
3584	+	if (createIncomplete) {
3585	+	checkIncomplete(f);
3586	+	checkIncomplete(g);
3587	+	assertTrue(f.complete(v1));
3588	+	}
3589	+	checkCompletedNormally(f, v1);
3590		checkCompletedNormally(g, v1);
3591	<	assertEquals(a.get(), 1);
3591	>	}}
3592	>
3593	>	/**
3594	>	* copy returns a CompletableFuture that is completed exceptionally
3595	>	* when source is.
3596	>	*/
3597	>	public void testCopy_exceptionalCompletion() {
3598	>	for (boolean createIncomplete : new boolean[] { true, false })
3599	>	{
3600	>	CFException ex = new CFException();
3601	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3602	>	if (!createIncomplete) f.completeExceptionally(ex);
3603	>	CompletableFuture<Integer> g = f.copy();
3604	>	if (createIncomplete) {
3605	>	checkIncomplete(f);
3606	>	checkIncomplete(g);
3607	>	f.completeExceptionally(ex);
3608		}
3609	+	checkCompletedExceptionally(f, ex);
3610	+	checkCompletedWithWrappedException(g, ex);
3611	+	}}
3612	+
3613	+	/**
3614	+	* Completion of a copy does not complete its source.
3615	+	*/
3616	+	public void testCopy_oneWayPropagation() {
3617	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3618	+	assertTrue(f.copy().complete(1));
3619	+	assertTrue(f.copy().complete(null));
3620	+	assertTrue(f.copy().cancel(true));
3621	+	assertTrue(f.copy().cancel(false));
3622	+	assertTrue(f.copy().completeExceptionally(new CFException()));
3623	+	checkIncomplete(f);
3624		}
3625
3626		/**
3627	<	* whenComplete action executes on exceptional completion, propagating
3628	<	* source result.
3627	>	* minimalCompletionStage returns a CompletableFuture that is
3628	>	* completed normally, with the same value, when source is.
3629		*/
3630	<	public void testWhenComplete_exceptionalCompletion() {
3631	<	for (ExecutionMode m : ExecutionMode.values())
3632	<	for (Integer v1 : new Integer[] { 1, null }) {
3630	>	public void testMinimalCompletionStage() {
3631	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3632	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3633	>	AtomicInteger x = new AtomicInteger(0);
3634	>	AtomicReference<Throwable> r = new AtomicReference<>();
3635	>	checkIncomplete(f);
3636	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3637	>	f.complete(1);
3638	>	checkCompletedNormally(f, 1);
3639	>	assertEquals(x.get(), 1);
3640	>	assertNull(r.get());
3641	>	}
3642
3643	<	final AtomicInteger a = new AtomicInteger();
3644	<	final CFException ex = new CFException();
3645	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3646	<	final CompletableFuture<Integer> g = m.whenComplete
3647	<	(f,
3648	<	(Integer x, Throwable t) -> {
3649	<	threadAssertNull(x);
3650	<	threadAssertSame(t, ex);
3651	<	a.getAndIncrement();
3652	<	});
3643	>	/**
3644	>	* minimalCompletionStage returns a CompletableFuture that is
3645	>	* completed exceptionally when source is.
3646	>	*/
3647	>	public void testMinimalCompletionStage2() {
3648	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3649	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3650	>	AtomicInteger x = new AtomicInteger(0);
3651	>	AtomicReference<Throwable> r = new AtomicReference<>();
3652	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3653	>	checkIncomplete(f);
3654	>	CFException ex = new CFException();
3655		f.completeExceptionally(ex);
3656	<	checkCompletedWithWrappedCFException(f, ex);
3657	<	checkCompletedWithWrappedCFException(g, ex);
3658	<	assertEquals(a.get(), 1);
3513	<	}
3656	>	checkCompletedExceptionally(f, ex);
3657	>	assertEquals(x.get(), 0);
3658	>	assertEquals(r.get().getCause(), ex);
3659		}
3660
3661		/**
3662	<	* If a whenComplete action throws an exception when triggered by
3663	<	* a normal completion, it completes exceptionally
3662	>	* failedStage returns a CompletionStage completed
3663	>	* exceptionally with the given Exception
3664		*/
3665	<	public void testWhenComplete_actionFailed() {
3666	<	for (ExecutionMode m : ExecutionMode.values())
3667	<	for (Integer v1 : new Integer[] { 1, null }) {
3665	>	public void testFailedStage() {
3666	>	CFException ex = new CFException();
3667	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3668	>	AtomicInteger x = new AtomicInteger(0);
3669	>	AtomicReference<Throwable> r = new AtomicReference<>();
3670	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3671	>	assertEquals(x.get(), 0);
3672	>	assertEquals(r.get(), ex);
3673	>	}
3674
3675	<	final CFException ex = new CFException();
3676	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3677	<	final CompletableFuture<Integer> g = m.whenComplete
3678	<	(f,
3679	<	(Integer x, Throwable t) -> {
3680	<	threadAssertSame(x, v1);
3681	<	threadAssertNull(t);
3682	<	throw ex;
3683	<	});
3533	<	f.complete(v1);
3675	>	/**
3676	>	* completeAsync completes with value of given supplier
3677	>	*/
3678	>	public void testCompleteAsync() {
3679	>	for (Integer v1 : new Integer[] { 1, null })
3680	>	{
3681	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3682	>	f.completeAsync(() -> v1);
3683	>	f.join();
3684		checkCompletedNormally(f, v1);
3685	<	checkCompletedWithWrappedCFException(g, ex);
3686	<	}
3685	>	}}
3686	>
3687	>	/**
3688	>	* completeAsync completes exceptionally if given supplier throws
3689	>	*/
3690	>	public void testCompleteAsync2() {
3691	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3692	>	CFException ex = new CFException();
3693	>	f.completeAsync(() -> { throw ex; });
3694	>	try {
3695	>	f.join();
3696	>	shouldThrow();
3697	>	} catch (CompletionException success) {}
3698	>	checkCompletedWithWrappedException(f, ex);
3699		}
3700
3701		/**
3702	<	* If a whenComplete action throws an exception when triggered by
3541	<	* a source completion that also throws an exception, the source
3542	<	* exception takes precedence.
3702	>	* completeAsync with given executor completes with value of given supplier
3703		*/
3704	<	public void testWhenComplete_actionFailedSourceFailed() {
3705	<	for (ExecutionMode m : ExecutionMode.values())
3706	<	for (Integer v1 : new Integer[] { 1, null }) {
3704	>	public void testCompleteAsync3() {
3705	>	for (Integer v1 : new Integer[] { 1, null })
3706	>	{
3707	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3708	>	ThreadExecutor executor = new ThreadExecutor();
3709	>	f.completeAsync(() -> v1, executor);
3710	>	assertSame(v1, f.join());
3711	>	checkCompletedNormally(f, v1);
3712	>	assertEquals(1, executor.count.get());
3713	>	}}
3714
3715	<	final CFException ex1 = new CFException();
3716	<	final CFException ex2 = new CFException();
3717	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3718	<	final CompletableFuture<Integer> g = m.whenComplete
3719	<	(f,
3720	<	(Integer x, Throwable t) -> {
3721	<	threadAssertSame(t, ex1);
3722	<	threadAssertNull(x);
3723	<	throw ex2;
3724	<	});
3725	<	f.completeExceptionally(ex1);
3726	<	checkCompletedWithWrappedCFException(f, ex1);
3727	<	checkCompletedWithWrappedCFException(g, ex1);
3728	<	}
3715	>	/**
3716	>	* completeAsync with given executor completes exceptionally if
3717	>	* given supplier throws
3718	>	*/
3719	>	public void testCompleteAsync4() {
3720	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3721	>	CFException ex = new CFException();
3722	>	ThreadExecutor executor = new ThreadExecutor();
3723	>	f.completeAsync(() -> { throw ex; }, executor);
3724	>	try {
3725	>	f.join();
3726	>	shouldThrow();
3727	>	} catch (CompletionException success) {}
3728	>	checkCompletedWithWrappedException(f, ex);
3729	>	assertEquals(1, executor.count.get());
3730		}
3731
3732		/**
3733	<	* handleAsync action completes normally with function value on
3566	<	* either normal or exceptional completion of source
3733	>	* orTimeout completes with TimeoutException if not complete
3734		*/
3735	<	public void testHandleAsync() {
3736	<	CompletableFuture<Integer> f, g;
3737	<	IntegerHandler r;
3735	>	public void testOrTimeout_timesOut() {
3736	>	long timeoutMillis = timeoutMillis();
3737	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3738	>	long startTime = System.nanoTime();
3739	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3740	>	checkCompletedWithTimeoutException(f);
3741	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3742	>	}
3743
3744	<	f = new CompletableFuture<>();
3745	<	g = f.handleAsync(r = new IntegerHandler());
3746	<	assertFalse(r.ran);
3747	<	f.completeExceptionally(new CFException());
3748	<	checkCompletedWithWrappedCFException(f);
3749	<	checkCompletedNormally(g, three);
3750	<	assertTrue(r.ran);
3744	>	/**
3745	>	* orTimeout completes normally if completed before timeout
3746	>	*/
3747	>	public void testOrTimeout_completed() {
3748	>	for (Integer v1 : new Integer[] { 1, null })
3749	>	{
3750	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3751	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3752	>	long startTime = System.nanoTime();
3753	>	f.complete(v1);
3754	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3755	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3756	>	g.complete(v1);
3757	>	checkCompletedNormally(f, v1);
3758	>	checkCompletedNormally(g, v1);
3759	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3760	>	}}
3761
3762	<	f = new CompletableFuture<>();
3763	<	g = f.handleAsync(r = new IntegerHandler());
3764	<	assertFalse(r.ran);
3765	<	f.completeExceptionally(new CFException());
3766	<	checkCompletedWithWrappedCFException(f);
3767	<	checkCompletedNormally(g, three);
3768	<	assertTrue(r.ran);
3762	>	/**
3763	>	* completeOnTimeout completes with given value if not complete
3764	>	*/
3765	>	public void testCompleteOnTimeout_timesOut() {
3766	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3767	>	() -> testCompleteOnTimeout_timesOut(null));
3768	>	}
3769
3770	<	f = new CompletableFuture<>();
3771	<	g = f.handleAsync(r = new IntegerHandler());
3772	<	assertFalse(r.ran);
3773	<	f.complete(one);
3774	<	checkCompletedNormally(f, one);
3775	<	checkCompletedNormally(g, two);
3776	<	assertTrue(r.ran);
3770	>	/**
3771	>	* completeOnTimeout completes with given value if not complete
3772	>	*/
3773	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3774	>	long timeoutMillis = timeoutMillis();
3775	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3776	>	long startTime = System.nanoTime();
3777	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3778	>	assertSame(v, f.join());
3779	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3780	>	f.complete(99);         // should have no effect
3781	>	checkCompletedNormally(f, v);
3782	>	}
3783
3784	<	f = new CompletableFuture<>();
3785	<	g = f.handleAsync(r = new IntegerHandler());
3786	<	assertFalse(r.ran);
3787	<	f.complete(one);
3788	<	checkCompletedNormally(f, one);
3789	<	checkCompletedNormally(g, two);
3790	<	assertTrue(r.ran);
3784	>	/**
3785	>	* completeOnTimeout has no effect if completed within timeout
3786	>	*/
3787	>	public void testCompleteOnTimeout_completed() {
3788	>	for (Integer v1 : new Integer[] { 1, null })
3789	>	{
3790	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3791	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3792	>	long startTime = System.nanoTime();
3793	>	f.complete(v1);
3794	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3795	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3796	>	g.complete(v1);
3797	>	checkCompletedNormally(f, v1);
3798	>	checkCompletedNormally(g, v1);
3799	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3800	>	}}
3801	>
3802	>	/**
3803	>	* delayedExecutor returns an executor that delays submission
3804	>	*/
3805	>	public void testDelayedExecutor() {
3806	>	testInParallel(() -> testDelayedExecutor(null, null),
3807	>	() -> testDelayedExecutor(null, 1),
3808	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3809	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3810	>	}
3811	>
3812	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3813	>	long timeoutMillis = timeoutMillis();
3814	>	// Use an "unreasonably long" long timeout to catch lingering threads
3815	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3816	>	final Executor delayer, longDelayer;
3817	>	if (executor == null) {
3818	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3819	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3820	>	} else {
3821	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3822	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3823	>	}
3824	>	long startTime = System.nanoTime();
3825	>	CompletableFuture<Integer> f =
3826	>	CompletableFuture.supplyAsync(() -> v, delayer);
3827	>	CompletableFuture<Integer> g =
3828	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3829	>
3830	>	assertNull(g.getNow(null));
3831	>
3832	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3833	>	long millisElapsed = millisElapsedSince(startTime);
3834	>	assertTrue(millisElapsed >= timeoutMillis);
3835	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3836	>
3837	>	checkCompletedNormally(f, v);
3838	>
3839	>	checkIncomplete(g);
3840	>	assertTrue(g.cancel(true));
3841	>	}
3842	>
3843	>	//--- tests of implementation details; not part of official tck ---
3844	>
3845	>	Object resultOf(CompletableFuture<?> f) {
3846	>	SecurityManager sm = System.getSecurityManager();
3847	>	if (sm != null) {
3848	>	try {
3849	>	System.setSecurityManager(null);
3850	>	} catch (SecurityException giveUp) {
3851	>	return "Reflection not available";
3852	>	}
3853	>	}
3854	>
3855	>	try {
3856	>	java.lang.reflect.Field resultField
3857	>	= CompletableFuture.class.getDeclaredField("result");
3858	>	resultField.setAccessible(true);
3859	>	return resultField.get(f);
3860	>	} catch (Throwable t) {
3861	>	throw new AssertionError(t);
3862	>	} finally {
3863	>	if (sm != null) System.setSecurityManager(sm);
3864	>	}
3865	>	}
3866	>
3867	>	public void testExceptionPropagationReusesResultObject() {
3868	>	if (!testImplementationDetails) return;
3869	>	for (ExecutionMode m : ExecutionMode.values())
3870	>	{
3871	>	final CFException ex = new CFException();
3872	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3873	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3874	>
3875	>	final Runnable noopRunnable = new Noop(m);
3876	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3877	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
3878	>
3879	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3880	>	= new ArrayList<>();
3881	>
3882	>	funs.add(y -> m.thenRun(y, noopRunnable));
3883	>	funs.add(y -> m.thenAccept(y, noopConsumer));
3884	>	funs.add(y -> m.thenApply(y, incFunction));
3885	>
3886	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3887	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3888	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3889	>
3890	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3891	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3892	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3893	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3894	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3895	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3896	>
3897	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3898	>
3899	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3900	>
3901	>	funs.add(y -> CompletableFuture.allOf(y));
3902	>	funs.add(y -> CompletableFuture.allOf(y, v42));
3903	>	funs.add(y -> CompletableFuture.allOf(v42, y));
3904	>	funs.add(y -> CompletableFuture.anyOf(y));
3905	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3906	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3907	>
3908	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3909	>	fun : funs) {
3910	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3911	>	f.completeExceptionally(ex);
3912	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3913	>	checkCompletedWithWrappedException(src, ex);
3914	>	CompletableFuture<?> dep = fun.apply(src);
3915	>	checkCompletedWithWrappedException(dep, ex);
3916	>	assertSame(resultOf(src), resultOf(dep));
3917	>	}
3918	>
3919	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3920	>	fun : funs) {
3921	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3922	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3923	>	CompletableFuture<?> dep = fun.apply(src);
3924	>	f.completeExceptionally(ex);
3925	>	checkCompletedWithWrappedException(src, ex);
3926	>	checkCompletedWithWrappedException(dep, ex);
3927	>	assertSame(resultOf(src), resultOf(dep));
3928	>	}
3929	>
3930	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3931	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3932	>	fun : funs) {
3933	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3934	>	f.cancel(mayInterruptIfRunning);
3935	>	checkCancelled(f);
3936	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3937	>	checkCompletedWithWrappedCancellationException(src);
3938	>	CompletableFuture<?> dep = fun.apply(src);
3939	>	checkCompletedWithWrappedCancellationException(dep);
3940	>	assertSame(resultOf(src), resultOf(dep));
3941	>	}
3942	>
3943	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3944	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3945	>	fun : funs) {
3946	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3947	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3948	>	CompletableFuture<?> dep = fun.apply(src);
3949	>	f.cancel(mayInterruptIfRunning);
3950	>	checkCancelled(f);
3951	>	checkCompletedWithWrappedCancellationException(src);
3952	>	checkCompletedWithWrappedCancellationException(dep);
3953	>	assertSame(resultOf(src), resultOf(dep));
3954	>	}
3955	>	}}
3956	>
3957	>	/**
3958	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3959	>	*/
3960	>	public void testMinimalCompletionStage_minimality() {
3961	>	if (!testImplementationDetails) return;
3962	>	Function<Method, String> toSignature =
3963	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3964	>	Predicate<Method> isNotStatic =
3965	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3966	>	List<Method> minimalMethods =
3967	>	Stream.of(Object.class, CompletionStage.class)
3968	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3969	>	.filter(isNotStatic)
3970	>	.collect(Collectors.toList());
3971	>	// Methods from CompletableFuture permitted NOT to throw UOE
3972	>	String[] signatureWhitelist = {
3973	>	"newIncompleteFuture[]",
3974	>	"defaultExecutor[]",
3975	>	"minimalCompletionStage[]",
3976	>	"copy[]",
3977	>	};
3978	>	Set<String> permittedMethodSignatures =
3979	>	Stream.concat(minimalMethods.stream().map(toSignature),
3980	>	Stream.of(signatureWhitelist))
3981	>	.collect(Collectors.toSet());
3982	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3983	>	.filter(isNotStatic)
3984	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3985	>	.collect(Collectors.toList());
3986	>
3987	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
3988	>	CompletionStage<Integer> min =
3989	>	new CompletableFuture<Integer>().minimalCompletionStage();
3990	>	stages.add(min);
3991	>	stages.add(min.thenApply(x -> x));
3992	>	stages.add(CompletableFuture.completedStage(1));
3993	>	stages.add(CompletableFuture.failedStage(new CFException()));
3994	>
3995	>	List<Method> bugs = new ArrayList<>();
3996	>	for (Method method : allMethods) {
3997	>	Class<?>[] parameterTypes = method.getParameterTypes();
3998	>	Object[] args = new Object[parameterTypes.length];
3999	>	// Manufacture boxed primitives for primitive params
4000	>	for (int i = 0; i < args.length; i++) {
4001	>	Class<?> type = parameterTypes[i];
4002	>	if (parameterTypes[i] == boolean.class)
4003	>	args[i] = false;
4004	>	else if (parameterTypes[i] == int.class)
4005	>	args[i] = 0;
4006	>	else if (parameterTypes[i] == long.class)
4007	>	args[i] = 0L;
4008	>	}
4009	>	for (CompletionStage<Integer> stage : stages) {
4010	>	try {
4011	>	method.invoke(stage, args);
4012	>	bugs.add(method);
4013	>	}
4014	>	catch (java.lang.reflect.InvocationTargetException expected) {
4015	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4016	>	bugs.add(method);
4017	>	// expected.getCause().printStackTrace();
4018	>	}
4019	>	}
4020	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4021	>	}
4022	>	}
4023	>	if (!bugs.isEmpty())
4024	>	throw new Error("Methods did not throw UOE: " + bugs);
4025		}
4026
4027		/**
4028	<	* handleAsync action with Executor completes normally with
4029	<	* function value on either normal or exceptional completion of
3608	<	* source
4028	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4029	>	* is completed normally, with the same value, when source is.
4030		*/
4031	<	public void testHandleAsync2() {
4032	<	CompletableFuture<Integer> f, g;
4033	<	ThreadExecutor exec = new ThreadExecutor();
4034	<	IntegerHandler r;
4031	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4032	>	for (boolean createIncomplete : new boolean[] { true, false })
4033	>	for (Integer v1 : new Integer[] { 1, null })
4034	>	{
4035	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4036	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4037	>	if (!createIncomplete) assertTrue(f.complete(v1));
4038	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4039	>	if (createIncomplete) {
4040	>	checkIncomplete(f);
4041	>	checkIncomplete(g);
4042	>	assertTrue(f.complete(v1));
4043	>	}
4044	>	checkCompletedNormally(f, v1);
4045	>	checkCompletedNormally(g, v1);
4046	>	}}
4047
4048	<	f = new CompletableFuture<>();
4049	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4050	<	assertFalse(r.ran);
4051	<	f.completeExceptionally(new CFException());
4052	<	checkCompletedWithWrappedCFException(f);
4053	<	checkCompletedNormally(g, three);
4054	<	assertTrue(r.ran);
4048	>	/**
4049	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4050	>	* is completed exceptionally when source is.
4051	>	*/
4052	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4053	>	for (boolean createIncomplete : new boolean[] { true, false })
4054	>	{
4055	>	CFException ex = new CFException();
4056	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4057	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4058	>	if (!createIncomplete) f.completeExceptionally(ex);
4059	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4060	>	if (createIncomplete) {
4061	>	checkIncomplete(f);
4062	>	checkIncomplete(g);
4063	>	f.completeExceptionally(ex);
4064	>	}
4065	>	checkCompletedExceptionally(f, ex);
4066	>	checkCompletedWithWrappedException(g, ex);
4067	>	}}
4068
4069	<	f = new CompletableFuture<>();
4070	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4071	<	assertFalse(r.ran);
4072	<	f.completeExceptionally(new CFException());
4073	<	checkCompletedWithWrappedCFException(f);
4074	<	checkCompletedNormally(g, three);
4075	<	assertTrue(r.ran);
4069	>	/**
4070	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4071	>	*/
4072	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4073	>	for (Integer v1 : new Integer[] { 1, null })
4074	>	{
4075	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4076	>	CompletionStage minimal = f.minimalCompletionStage();
4077	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4078	>	assertTrue(g.complete(v1));
4079	>	checkCompletedNormally(g, v1);
4080	>	checkIncomplete(f);
4081	>	checkIncomplete(minimal.toCompletableFuture());
4082	>	}}
4083
4084	<	f = new CompletableFuture<>();
4085	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4086	<	assertFalse(r.ran);
4087	<	f.complete(one);
4088	<	checkCompletedNormally(f, one);
4089	<	checkCompletedNormally(g, two);
4090	<	assertTrue(r.ran);
4084	>	/**
4085	>	* minimalStage.toCompletableFuture().join() awaits completion
4086	>	*/
4087	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4088	>	for (boolean createIncomplete : new boolean[] { true, false })
4089	>	for (Integer v1 : new Integer[] { 1, null })
4090	>	{
4091	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4092	>	if (!createIncomplete) assertTrue(f.complete(v1));
4093	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4094	>	if (createIncomplete) assertTrue(f.complete(v1));
4095	>	assertEquals(v1, minimal.toCompletableFuture().join());
4096	>	assertEquals(v1, minimal.toCompletableFuture().get());
4097	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4098	>	}}
4099	>
4100	>	/**
4101	>	* Completion of a toCompletableFuture copy of a minimal stage
4102	>	* does not complete its source.
4103	>	*/
4104	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4105	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4106	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4107	>	assertTrue(g.toCompletableFuture().complete(1));
4108	>	assertTrue(g.toCompletableFuture().complete(null));
4109	>	assertTrue(g.toCompletableFuture().cancel(true));
4110	>	assertTrue(g.toCompletableFuture().cancel(false));
4111	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4112	>	checkIncomplete(g.toCompletableFuture());
4113	>	f.complete(1);
4114	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4115	>	}
4116
4117	<	f = new CompletableFuture<>();
4118	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4119	<	assertFalse(r.ran);
4120	<	f.complete(one);
4121	<	checkCompletedNormally(f, one);
4122	<	checkCompletedNormally(g, two);
4123	<	assertTrue(r.ran);
4117	>	/** Demo utility method for external reliable toCompletableFuture */
4118	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4119	>	CompletableFuture<T> f = new CompletableFuture<>();
4120	>	stage.handle((T t, Throwable ex) -> {
4121	>	if (ex != null) f.completeExceptionally(ex);
4122	>	else f.complete(t);
4123	>	return null;
4124	>	});
4125	>	return f;
4126	>	}
4127	>
4128	>	/** Demo utility method to join a CompletionStage */
4129	>	static <T> T join(CompletionStage<T> stage) {
4130	>	return toCompletableFuture(stage).join();
4131		}
4132
4133	+	/**
4134	+	* Joining a minimal stage "by hand" works
4135	+	*/
4136	+	public void testMinimalCompletionStage_join_by_hand() {
4137	+	for (boolean createIncomplete : new boolean[] { true, false })
4138	+	for (Integer v1 : new Integer[] { 1, null })
4139	+	{
4140	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4141	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4142	+	CompletableFuture<Integer> g = new CompletableFuture<>();
4143	+	if (!createIncomplete) assertTrue(f.complete(v1));
4144	+	minimal.thenAccept(x -> g.complete(x));
4145	+	if (createIncomplete) assertTrue(f.complete(v1));
4146	+	g.join();
4147	+	checkCompletedNormally(g, v1);
4148	+	checkCompletedNormally(f, v1);
4149	+	assertEquals(v1, join(minimal));
4150	+	}}
4151	+
4152	+	static class Monad {
4153	+	static class ZeroException extends RuntimeException {
4154	+	public ZeroException() { super("monadic zero"); }
4155	+	}
4156	+	// "return", "unit"
4157	+	static <T> CompletableFuture<T> unit(T value) {
4158	+	return completedFuture(value);
4159	+	}
4160	+	// monadic zero ?
4161	+	static <T> CompletableFuture<T> zero() {
4162	+	return failedFuture(new ZeroException());
4163	+	}
4164	+	// >=>
4165	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
4166	+	(Function<T, CompletableFuture<U>> f,
4167	+	Function<U, CompletableFuture<V>> g) {
4168	+	return x -> f.apply(x).thenCompose(g);
4169	+	}
4170	+
4171	+	static void assertZero(CompletableFuture<?> f) {
4172	+	try {
4173	+	f.getNow(null);
4174	+	throw new AssertionFailedError("should throw");
4175	+	} catch (CompletionException success) {
4176	+	assertTrue(success.getCause() instanceof ZeroException);
4177	+	}
4178	+	}
4179	+
4180	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4181	+	CompletableFuture<T> g) {
4182	+	T fval = null, gval = null;
4183	+	Throwable fex = null, gex = null;
4184	+
4185	+	try { fval = f.get(); }
4186	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4187	+	catch (Throwable ex) { fex = ex; }
4188	+
4189	+	try { gval = g.get(); }
4190	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4191	+	catch (Throwable ex) { gex = ex; }
4192	+
4193	+	if (fex != null || gex != null)
4194	+	assertSame(fex.getClass(), gex.getClass());
4195	+	else
4196	+	assertEquals(fval, gval);
4197	+	}
4198	+
4199	+	static class PlusFuture<T> extends CompletableFuture<T> {
4200	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4201	+	}
4202	+
4203	+	/** Implements "monadic plus". */
4204	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4205	+	CompletableFuture<? extends T> g) {
4206	+	PlusFuture<T> plus = new PlusFuture<T>();
4207	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4208	+	try {
4209	+	if (ex == null) {
4210	+	if (plus.complete(result))
4211	+	if (plus.firstFailure.get() != null)
4212	+	plus.firstFailure.set(null);
4213	+	}
4214	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4215	+	if (plus.isDone())
4216	+	plus.firstFailure.set(null);
4217	+	}
4218	+	else {
4219	+	// first failure has precedence
4220	+	Throwable first = plus.firstFailure.getAndSet(null);
4221	+
4222	+	// may fail with "Self-suppression not permitted"
4223	+	try { first.addSuppressed(ex); }
4224	+	catch (Exception ignored) {}
4225	+
4226	+	plus.completeExceptionally(first);
4227	+	}
4228	+	} catch (Throwable unexpected) {
4229	+	plus.completeExceptionally(unexpected);
4230	+	}
4231	+	};
4232	+	f.whenComplete(action);
4233	+	g.whenComplete(action);
4234	+	return plus;
4235	+	}
4236	+	}
4237	+
4238	+	/**
4239	+	* CompletableFuture is an additive monad - sort of.
4240	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4241	+	*/
4242	+	public void testAdditiveMonad() throws Throwable {
4243	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4244	+	CompletableFuture<Long> zero = Monad.zero();
4245	+
4246	+	// Some mutually non-commutative functions
4247	+	Function<Long, CompletableFuture<Long>> triple
4248	+	= x -> Monad.unit(3 * x);
4249	+	Function<Long, CompletableFuture<Long>> inc
4250	+	= x -> Monad.unit(x + 1);
4251	+
4252	+	// unit is a right identity: m >>= unit === m
4253	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4254	+	inc.apply(5L));
4255	+	// unit is a left identity: (unit x) >>= f === f x
4256	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4257	+	inc.apply(5L));
4258	+
4259	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4260	+	Monad.assertFutureEquals(
4261	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4262	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4263	+
4264	+	// The case for CompletableFuture as an additive monad is weaker...
4265	+
4266	+	// zero is a monadic zero
4267	+	Monad.assertZero(zero);
4268	+
4269	+	// left zero: zero >>= f === zero
4270	+	Monad.assertZero(zero.thenCompose(inc));
4271	+	// right zero: f >>= (\x -> zero) === zero
4272	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4273	+
4274	+	// f plus zero === f
4275	+	Monad.assertFutureEquals(Monad.unit(5L),
4276	+	Monad.plus(Monad.unit(5L), zero));
4277	+	// zero plus f === f
4278	+	Monad.assertFutureEquals(Monad.unit(5L),
4279	+	Monad.plus(zero, Monad.unit(5L)));
4280	+	// zero plus zero === zero
4281	+	Monad.assertZero(Monad.plus(zero, zero));
4282	+	{
4283	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4284	+	Monad.unit(8L));
4285	+	// non-determinism
4286	+	assertTrue(f.get() == 5L || f.get() == 8L);
4287	+	}
4288	+
4289	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4290	+	// f plus godot === f (doesn't wait for godot)
4291	+	Monad.assertFutureEquals(Monad.unit(5L),
4292	+	Monad.plus(Monad.unit(5L), godot));
4293	+	// godot plus f === f (doesn't wait for godot)
4294	+	Monad.assertFutureEquals(Monad.unit(5L),
4295	+	Monad.plus(godot, Monad.unit(5L)));
4296	+	}
4297	+
4298	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4299	+	public void testRecursiveChains() throws Throwable {
4300	+	for (ExecutionMode m : ExecutionMode.values())
4301	+	for (boolean addDeadEnds : new boolean[] { true, false })
4302	+	{
4303	+	final int val = 42;
4304	+	final int n = expensiveTests ? 1_000 : 2;
4305	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4306	+	CompletableFuture<Integer> tail = head;
4307	+	for (int i = 0; i < n; i++) {
4308	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4309	+	tail = m.thenApply(tail, v -> v + 1);
4310	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4311	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4312	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4313	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4314	+	}
4315	+	head.complete(val);
4316	+	assertEquals(val + 3 * n, (int) tail.join());
4317	+	}}
4318	+
4319	+	/**
4320	+	* A single CompletableFuture with many dependents.
4321	+	* A demo of scalability - runtime is O(n).
4322	+	*/
4323	+	public void testManyDependents() throws Throwable {
4324	+	final int n = expensiveTests ? 1_000_000 : 10;
4325	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4326	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4327	+	final AtomicInteger count = new AtomicInteger(0);
4328	+	for (int i = 0; i < n; i++) {
4329	+	head.thenRun(() -> count.getAndIncrement());
4330	+	head.thenAccept(x -> count.getAndIncrement());
4331	+	head.thenApply(x -> count.getAndIncrement());
4332	+
4333	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4334	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4335	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4336	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4337	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4338	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4339	+
4340	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4341	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4342	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4343	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4344	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4345	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4346	+	}
4347	+	head.complete(null);
4348	+	assertEquals(5 * 3 * n, count.get());
4349	+	}
4350	+
4351	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4352	+	public void testCoCompletionGarbageRetention() throws Throwable {
4353	+	final int n = expensiveTests ? 1_000_000 : 10;
4354	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4355	+	CompletableFuture<Integer> f;
4356	+	for (int i = 0; i < n; i++) {
4357	+	f = new CompletableFuture<>();
4358	+	f.runAfterEither(incomplete, () -> {});
4359	+	f.complete(null);
4360	+
4361	+	f = new CompletableFuture<>();
4362	+	f.acceptEither(incomplete, x -> {});
4363	+	f.complete(null);
4364	+
4365	+	f = new CompletableFuture<>();
4366	+	f.applyToEither(incomplete, x -> x);
4367	+	f.complete(null);
4368	+
4369	+	f = new CompletableFuture<>();
4370	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4371	+	f.complete(null);
4372	+	}
4373	+
4374	+	for (int i = 0; i < n; i++) {
4375	+	f = new CompletableFuture<>();
4376	+	incomplete.runAfterEither(f, () -> {});
4377	+	f.complete(null);
4378	+
4379	+	f = new CompletableFuture<>();
4380	+	incomplete.acceptEither(f, x -> {});
4381	+	f.complete(null);
4382	+
4383	+	f = new CompletableFuture<>();
4384	+	incomplete.applyToEither(f, x -> x);
4385	+	f.complete(null);
4386	+
4387	+	f = new CompletableFuture<>();
4388	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4389	+	f.complete(null);
4390	+	}
4391	+	}
4392	+
4393	+	/**
4394	+	* Reproduction recipe for:
4395	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4396	+	* cvs update -D '2016-05-01' ./src/main/java/util/concurrent/CompletableFuture.java && ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testAnyOfGarbageRetention tck; cvs update -A
4397	+	*/
4398	+	public void testAnyOfGarbageRetention() throws Throwable {
4399	+	for (Integer v : new Integer[] { 1, null })
4400	+	{
4401	+	final int n = expensiveTests ? 100_000 : 10;
4402	+	CompletableFuture<Integer>[] fs
4403	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4404	+	for (int i = 0; i < fs.length; i++)
4405	+	fs[i] = new CompletableFuture<>();
4406	+	fs[fs.length - 1].complete(v);
4407	+	for (int i = 0; i < n; i++)
4408	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4409	+	}}
4410	+
4411	+	/**
4412	+	* Checks for garbage retention with allOf.
4413	+	*
4414	+	* As of 2016-07, fails with OOME:
4415	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4416	+	*/
4417	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4418	+	final int n = expensiveTests ? 100_000 : 10;
4419	+	CompletableFuture<Integer>[] fs
4420	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4421	+	for (int i = 0; i < fs.length; i++)
4422	+	fs[i] = new CompletableFuture<>();
4423	+	for (int i = 0; i < n; i++)
4424	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4425	+	}
4426	+
4427	+	/**
4428	+	* Checks for garbage retention when a dependent future is
4429	+	* cancelled and garbage-collected.
4430	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4431	+	*
4432	+	* As of 2016-07, fails with OOME:
4433	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4434	+	*/
4435	+	public void testCancelledGarbageRetention() throws Throwable {
4436	+	final int n = expensiveTests ? 100_000 : 10;
4437	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4438	+	for (int i = 0; i < n; i++)
4439	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4440	+	}
4441	+
4442	+	/**
4443	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4444	+	* is invoked many times.
4445	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4446	+	*
4447	+	* As of 2016-07, fails with OOME:
4448	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4449	+	*/
4450	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4451	+	final int n = expensiveTests ? 900_000 : 10;
4452	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4453	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4454	+	for (int i = 0; i < n; i++)
4455	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4456	+	}
4457	+
4458	+	//     static <U> U join(CompletionStage<U> stage) {
4459	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4460	+	//         stage.whenComplete((v, ex) -> {
4461	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4462	+	//         });
4463	+	//         return f.join();
4464	+	//     }
4465	+
4466	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4467	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4468	+	//         stage.whenComplete((v, ex) -> {
4469	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4470	+	//         });
4471	+	//         return f.isDone();
4472	+	//     }
4473	+
4474	+	//     static <U> U join2(CompletionStage<U> stage) {
4475	+	//         return stage.toCompletableFuture().copy().join();
4476	+	//     }
4477	+
4478	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4479	+	//         return stage.toCompletableFuture().copy().isDone();
4480	+	//     }
4481	+
4482		}

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