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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 1.187 by jsr166, Mon Jul 3 21:18:37 2017 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33	+	import java.util.concurrent.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
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() {
1003	<	for (ExecutionMode m : ExecutionMode.values())
951	<	for (Integer v1 : new Integer[] { 1, null })
952	<	for (Integer v2 : new Integer[] { 2, null }) {
953	<
954	<	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() {
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	<
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);
1220	<
1221	<	f.complete(v1);
1222	<	checkIncomplete(h);
1223	<	g.complete(v2);
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	<	checkCompletedWithWrappedCFException(h);
1226	<	checkCompletedNormally(f, v1);
1227	<	checkCompletedNormally(g, 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	>	@SuppressWarnings("FutureReturnValueIgnored")
1242	>	public void testRunAsync_rejectingExecutor() {
1243	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1244	>	try {
1245	>	CompletableFuture.runAsync(() -> {}, e);
1246	>	shouldThrow();
1247	>	} catch (Throwable t) {
1248	>	assertSame(e.ex, t);
1249		}
1250	+
1251	+	assertEquals(1, e.count.get());
1252		}
1253
1254	<	public void testThenCombine_actionFailed2() {
1255	<	for (ExecutionMode m : ExecutionMode.values())
1254	>	/**
1255	>	* supplyAsync completes with result of supplier
1256	>	*/
1257	>	public void testSupplyAsync_normalCompletion() {
1258	>	ExecutionMode[] executionModes = {
1259	>	ExecutionMode.ASYNC,
1260	>	ExecutionMode.EXECUTOR,
1261	>	};
1262	>	for (ExecutionMode m : executionModes)
1263		for (Integer v1 : new Integer[] { 1, null })
1264	<	for (Integer v2 : new Integer[] { 2, null }) {
1265	<
1266	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1267	<	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);
1264	>	{
1265	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1266	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1267	>	assertSame(v1, f.join());
1268		checkCompletedNormally(f, v1);
1269	<	checkCompletedNormally(g, v2);
1270	<	}
1160	<	}
1269	>	r.assertInvoked();
1270	>	}}
1271
1272		/**
1273	<	* thenCombine result completes exceptionally if either source cancelled
1273	>	* Failing supplyAsync completes exceptionally
1274		*/
1275	<	public void testThenCombine_sourceCancelled1() {
1276	<	for (ExecutionMode m : ExecutionMode.values())
1277	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1278	<	for (Integer v1 : new Integer[] { 1, null }) {
1279	<
1280	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1281	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1282	<	final SubtractFunction r = new SubtractFunction();
1283	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1284	<
1285	<	assertTrue(f.cancel(mayInterruptIfRunning));
1286	<	checkIncomplete(h);
1287	<	g.complete(v1);
1288	<
1289	<	checkCompletedWithWrappedCancellationException(h);
1290	<	checkCancelled(f);
1291	<	assertEquals(r.invocationCount, 0);
1292	<	checkCompletedNormally(g, v1);
1275	>	public void testSupplyAsync_exceptionalCompletion() {
1276	>	ExecutionMode[] executionModes = {
1277	>	ExecutionMode.ASYNC,
1278	>	ExecutionMode.EXECUTOR,
1279	>	};
1280	>	for (ExecutionMode m : executionModes)
1281	>	{
1282	>	FailingSupplier r = new FailingSupplier(m);
1283	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1284	>	checkCompletedWithWrappedException(f, r.ex);
1285	>	r.assertInvoked();
1286	>	}}
1287	>
1288	>	@SuppressWarnings("FutureReturnValueIgnored")
1289	>	public void testSupplyAsync_rejectingExecutor() {
1290	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1291	>	try {
1292	>	CompletableFuture.supplyAsync(() -> null, e);
1293	>	shouldThrow();
1294	>	} catch (Throwable t) {
1295	>	assertSame(e.ex, t);
1296		}
1297	+
1298	+	assertEquals(1, e.count.get());
1299		}
1300
1301	<	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 }) {
1301	>	// seq completion methods
1302
1303	+	/**
1304	+	* thenRun result completes normally after normal completion of source
1305	+	*/
1306	+	public void testThenRun_normalCompletion() {
1307	+	for (ExecutionMode m : ExecutionMode.values())
1308	+	for (Integer v1 : new Integer[] { 1, null })
1309	+	{
1310		final CompletableFuture<Integer> f = new CompletableFuture<>();
1311	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1312	<	final SubtractFunction r = new SubtractFunction();
1194	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1195	<
1196	<	assertTrue(g.cancel(mayInterruptIfRunning));
1197	<	checkIncomplete(h);
1198	<	f.complete(v1);
1311	>	final Noop[] rs = new Noop[6];
1312	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1313
1314	<	checkCompletedWithWrappedCancellationException(h);
1315	<	checkCancelled(g);
1316	<	assertEquals(r.invocationCount, 0);
1314	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1315	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1316	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1317	>	checkIncomplete(h0);
1318	>	checkIncomplete(h1);
1319	>	checkIncomplete(h2);
1320	>	assertTrue(f.complete(v1));
1321	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1322	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1323	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1324	>
1325	>	checkCompletedNormally(h0, null);
1326	>	checkCompletedNormally(h1, null);
1327	>	checkCompletedNormally(h2, null);
1328	>	checkCompletedNormally(h3, null);
1329	>	checkCompletedNormally(h4, null);
1330	>	checkCompletedNormally(h5, null);
1331		checkCompletedNormally(f, v1);
1332	<	}
1333	<	}
1332	>	for (Noop r : rs) r.assertInvoked();
1333	>	}}
1334
1335	<	public void testThenCombine_sourceCancelled3() {
1335	>	/**
1336	>	* thenRun result completes exceptionally after exceptional
1337	>	* completion of source
1338	>	*/
1339	>	public void testThenRun_exceptionalCompletion() {
1340		for (ExecutionMode m : ExecutionMode.values())
1341	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1342	<	for (Integer v1 : new Integer[] { 1, null }) {
1211	<
1341	>	{
1342	>	final CFException ex = new CFException();
1343		final CompletableFuture<Integer> f = new CompletableFuture<>();
1344	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1345	<	final SubtractFunction r = new SubtractFunction();
1215	<
1216	<	assertTrue(g.cancel(mayInterruptIfRunning));
1217	<	f.complete(v1);
1218	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1344	>	final Noop[] rs = new Noop[6];
1345	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1346
1347	<	checkCompletedWithWrappedCancellationException(h);
1348	<	checkCancelled(g);
1349	<	assertEquals(r.invocationCount, 0);
1350	<	checkCompletedNormally(f, v1);
1351	<	}
1352	<	}
1347	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1348	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1349	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1350	>	checkIncomplete(h0);
1351	>	checkIncomplete(h1);
1352	>	checkIncomplete(h2);
1353	>	assertTrue(f.completeExceptionally(ex));
1354	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1355	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1356	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1357	>
1358	>	checkCompletedWithWrappedException(h0, ex);
1359	>	checkCompletedWithWrappedException(h1, ex);
1360	>	checkCompletedWithWrappedException(h2, ex);
1361	>	checkCompletedWithWrappedException(h3, ex);
1362	>	checkCompletedWithWrappedException(h4, ex);
1363	>	checkCompletedWithWrappedException(h5, ex);
1364	>	checkCompletedExceptionally(f, ex);
1365	>	for (Noop r : rs) r.assertNotInvoked();
1366	>	}}
1367
1368	<	public void testThenCombine_sourceCancelled4() {
1368	>	/**
1369	>	* thenRun result completes exceptionally if source cancelled
1370	>	*/
1371	>	public void testThenRun_sourceCancelled() {
1372		for (ExecutionMode m : ExecutionMode.values())
1373		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1374	<	for (Integer v1 : new Integer[] { 1, null }) {
1231	<
1374	>	{
1375		final CompletableFuture<Integer> f = new CompletableFuture<>();
1376	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1377	<	final SubtractFunction r = new SubtractFunction();
1376	>	final Noop[] rs = new Noop[6];
1377	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1378
1379	+	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1380	+	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1381	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1382	+	checkIncomplete(h0);
1383	+	checkIncomplete(h1);
1384	+	checkIncomplete(h2);
1385		assertTrue(f.cancel(mayInterruptIfRunning));
1386	<	g.complete(v1);
1387	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1388	<
1389	<	checkCompletedWithWrappedCancellationException(h);
1386	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1387	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1388	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1389	>
1390	>	checkCompletedWithWrappedCancellationException(h0);
1391	>	checkCompletedWithWrappedCancellationException(h1);
1392	>	checkCompletedWithWrappedCancellationException(h2);
1393	>	checkCompletedWithWrappedCancellationException(h3);
1394	>	checkCompletedWithWrappedCancellationException(h4);
1395	>	checkCompletedWithWrappedCancellationException(h5);
1396		checkCancelled(f);
1397	<	assertEquals(r.invocationCount, 0);
1398	<	checkCompletedNormally(g, v1);
1244	<	}
1245	<	}
1397	>	for (Noop r : rs) r.assertNotInvoked();
1398	>	}}
1399
1400		/**
1401	<	* thenAcceptBoth result completes normally after normal
1249	<	* completion of sources
1401	>	* thenRun result completes exceptionally if action does
1402		*/
1403	<	public void testThenAcceptBoth_normalCompletion1() {
1403	>	public void testThenRun_actionFailed() {
1404		for (ExecutionMode m : ExecutionMode.values())
1405		for (Integer v1 : new Integer[] { 1, null })
1406	<	for (Integer v2 : new Integer[] { 2, null }) {
1255	<
1406	>	{
1407		final CompletableFuture<Integer> f = new CompletableFuture<>();
1408	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1409	<	final SubtractAction r = new SubtractAction();
1259	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1260	<
1261	<	f.complete(v1);
1262	<	checkIncomplete(h);
1263	<	assertFalse(r.ran());
1264	<	g.complete(v2);
1408	>	final FailingRunnable[] rs = new FailingRunnable[6];
1409	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1410
1411	<	checkCompletedNormally(h, null);
1412	<	assertEquals(r.value, subtract(v1, v2));
1411	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1412	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1413	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1414	>	assertTrue(f.complete(v1));
1415	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1416	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1417	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1418	>
1419	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1420	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1421	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1422	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1423	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1424	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1425		checkCompletedNormally(f, v1);
1426	<	checkCompletedNormally(g, v2);
1270	<	}
1271	<	}
1426	>	}}
1427
1428	<	public void testThenAcceptBoth_normalCompletion2() {
1429	<	for (ExecutionMode m : ExecutionMode.values())
1430	<	for (Integer v1 : new Integer[] { 1, null })
1431	<	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() {
1428	>	/**
1429	>	* thenApply result completes normally after normal completion of source
1430	>	*/
1431	>	public void testThenApply_normalCompletion() {
1432		for (ExecutionMode m : ExecutionMode.values())
1433		for (Integer v1 : new Integer[] { 1, null })
1434	<	for (Integer v2 : new Integer[] { 2, null }) {
1319	<
1434	>	{
1435		final CompletableFuture<Integer> f = new CompletableFuture<>();
1436	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1437	<	final SubtractAction r = new SubtractAction();
1323	<
1324	<	f.complete(v1);
1325	<	g.complete(v2);
1326	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1436	>	final IncFunction[] rs = new IncFunction[4];
1437	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1438
1439	<	checkCompletedNormally(h, null);
1440	<	assertEquals(r.value, subtract(v1, v2));
1439	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1440	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1441	>	checkIncomplete(h0);
1442	>	checkIncomplete(h1);
1443	>	assertTrue(f.complete(v1));
1444	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1445	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1446	>
1447	>	checkCompletedNormally(h0, inc(v1));
1448	>	checkCompletedNormally(h1, inc(v1));
1449	>	checkCompletedNormally(h2, inc(v1));
1450	>	checkCompletedNormally(h3, inc(v1));
1451		checkCompletedNormally(f, v1);
1452	<	checkCompletedNormally(g, v2);
1453	<	}
1333	<	}
1452	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1453	>	}}
1454
1455		/**
1456	<	* thenAcceptBoth result completes exceptionally after exceptional
1457	<	* completion of either source
1456	>	* thenApply result completes exceptionally after exceptional
1457	>	* completion of source
1458		*/
1459	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1459	>	public void testThenApply_exceptionalCompletion() {
1460		for (ExecutionMode m : ExecutionMode.values())
1461	<	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);
1461	>	{
1462		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	–
1463		final CompletableFuture<Integer> f = new CompletableFuture<>();
1464	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1465	<	final SubtractAction r = new SubtractAction();
1367	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1368	<	final CFException ex = new CFException();
1464	>	final IncFunction[] rs = new IncFunction[4];
1465	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1466
1467	<	g.completeExceptionally(ex);
1468	<	checkIncomplete(h);
1469	<	f.complete(v1);
1467	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1468	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1469	>	assertTrue(f.completeExceptionally(ex));
1470	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1471	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1472	>
1473	>	checkCompletedWithWrappedException(h0, ex);
1474	>	checkCompletedWithWrappedException(h1, ex);
1475	>	checkCompletedWithWrappedException(h2, ex);
1476	>	checkCompletedWithWrappedException(h3, ex);
1477	>	checkCompletedExceptionally(f, ex);
1478	>	for (IncFunction r : rs) r.assertNotInvoked();
1479	>	}}
1480
1481	<	checkCompletedWithWrappedCFException(h, ex);
1482	<	checkCompletedWithWrappedCFException(g, ex);
1483	<	assertEquals(r.invocationCount, 0);
1484	<	checkCompletedNormally(f, v1);
1378	<	}
1379	<	}
1380	<
1381	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1481	>	/**
1482	>	* thenApply result completes exceptionally if source cancelled
1483	>	*/
1484	>	public void testThenApply_sourceCancelled() {
1485		for (ExecutionMode m : ExecutionMode.values())
1486	<	for (Integer v1 : new Integer[] { 1, null }) {
1487	<
1486	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1487	>	{
1488		final CompletableFuture<Integer> f = new CompletableFuture<>();
1489	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1490	<	final SubtractAction r = new SubtractAction();
1388	<	final CFException ex = new CFException();
1489	>	final IncFunction[] rs = new IncFunction[4];
1490	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1491
1492	<	g.completeExceptionally(ex);
1493	<	f.complete(v1);
1494	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1492	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1493	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1494	>	assertTrue(f.cancel(mayInterruptIfRunning));
1495	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1496	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1497
1498	<	checkCompletedWithWrappedCFException(h, ex);
1499	<	checkCompletedWithWrappedCFException(g, ex);
1500	<	assertEquals(r.invocationCount, 0);
1501	<	checkCompletedNormally(f, v1);
1502	<	}
1503	<	}
1498	>	checkCompletedWithWrappedCancellationException(h0);
1499	>	checkCompletedWithWrappedCancellationException(h1);
1500	>	checkCompletedWithWrappedCancellationException(h2);
1501	>	checkCompletedWithWrappedCancellationException(h3);
1502	>	checkCancelled(f);
1503	>	for (IncFunction r : rs) r.assertNotInvoked();
1504	>	}}
1505
1506	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1506	>	/**
1507	>	* thenApply result completes exceptionally if action does
1508	>	*/
1509	>	public void testThenApply_actionFailed() {
1510		for (ExecutionMode m : ExecutionMode.values())
1511	<	for (Integer v1 : new Integer[] { 1, null }) {
1512	<
1511	>	for (Integer v1 : new Integer[] { 1, null })
1512	>	{
1513		final CompletableFuture<Integer> f = new CompletableFuture<>();
1514	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1515	<	final SubtractAction r = new SubtractAction();
1408	<	final CFException ex = new CFException();
1409	<
1410	<	f.completeExceptionally(ex);
1411	<	g.complete(v1);
1412	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1514	>	final FailingFunction[] rs = new FailingFunction[4];
1515	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1516
1517	<	checkCompletedWithWrappedCFException(h, ex);
1518	<	checkCompletedWithWrappedCFException(f, ex);
1519	<	assertFalse(r.ran());
1520	<	checkCompletedNormally(g, v1);
1521	<	}
1522	<	}
1517	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1518	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1519	>	assertTrue(f.complete(v1));
1520	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1521	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1522	>
1523	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1524	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1525	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1526	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1527	>	checkCompletedNormally(f, v1);
1528	>	}}
1529
1530		/**
1531	<	* thenAcceptBoth result completes exceptionally if action does
1531	>	* thenAccept result completes normally after normal completion of source
1532		*/
1533	<	public void testThenAcceptBoth_actionFailed1() {
1533	>	public void testThenAccept_normalCompletion() {
1534		for (ExecutionMode m : ExecutionMode.values())
1535		for (Integer v1 : new Integer[] { 1, null })
1536	<	for (Integer v2 : new Integer[] { 2, null }) {
1428	<
1536	>	{
1537		final CompletableFuture<Integer> f = new CompletableFuture<>();
1538	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1539	<	final FailingBiConsumer r = new FailingBiConsumer();
1432	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1538	>	final NoopConsumer[] rs = new NoopConsumer[4];
1539	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1540
1541	<	f.complete(v1);
1542	<	checkIncomplete(h);
1543	<	g.complete(v2);
1544	<
1545	<	checkCompletedWithWrappedCFException(h);
1541	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1542	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1543	>	checkIncomplete(h0);
1544	>	checkIncomplete(h1);
1545	>	assertTrue(f.complete(v1));
1546	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1547	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1548	>
1549	>	checkCompletedNormally(h0, null);
1550	>	checkCompletedNormally(h1, null);
1551	>	checkCompletedNormally(h2, null);
1552	>	checkCompletedNormally(h3, null);
1553		checkCompletedNormally(f, v1);
1554	<	checkCompletedNormally(g, v2);
1555	<	}
1442	<	}
1554	>	for (NoopConsumer r : rs) r.assertValue(v1);
1555	>	}}
1556
1557	<	public void testThenAcceptBoth_actionFailed2() {
1557	>	/**
1558	>	* thenAccept result completes exceptionally after exceptional
1559	>	* completion of source
1560	>	*/
1561	>	public void testThenAccept_exceptionalCompletion() {
1562		for (ExecutionMode m : ExecutionMode.values())
1563	<	for (Integer v1 : new Integer[] { 1, null })
1564	<	for (Integer v2 : new Integer[] { 2, null }) {
1448	<
1563	>	{
1564	>	final CFException ex = new CFException();
1565		final CompletableFuture<Integer> f = new CompletableFuture<>();
1566	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1567	<	final FailingBiConsumer r = new FailingBiConsumer();
1452	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1453	<
1454	<	g.complete(v2);
1455	<	checkIncomplete(h);
1456	<	f.complete(v1);
1566	>	final NoopConsumer[] rs = new NoopConsumer[4];
1567	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1568
1569	<	checkCompletedWithWrappedCFException(h);
1570	<	checkCompletedNormally(f, v1);
1571	<	checkCompletedNormally(g, v2);
1572	<	}
1573	<	}
1569	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1570	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1571	>	assertTrue(f.completeExceptionally(ex));
1572	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1573	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1574	>
1575	>	checkCompletedWithWrappedException(h0, ex);
1576	>	checkCompletedWithWrappedException(h1, ex);
1577	>	checkCompletedWithWrappedException(h2, ex);
1578	>	checkCompletedWithWrappedException(h3, ex);
1579	>	checkCompletedExceptionally(f, ex);
1580	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1581	>	}}
1582
1583		/**
1584	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1584	>	* thenAccept result completes exceptionally if source cancelled
1585		*/
1586	<	public void testThenAcceptBoth_sourceCancelled1() {
1586	>	public void testThenAccept_sourceCancelled() {
1587		for (ExecutionMode m : ExecutionMode.values())
1588		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1589	<	for (Integer v1 : new Integer[] { 1, null }) {
1471	<
1589	>	{
1590		final CompletableFuture<Integer> f = new CompletableFuture<>();
1591	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1592	<	final SubtractAction r = new SubtractAction();
1475	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1591	>	final NoopConsumer[] rs = new NoopConsumer[4];
1592	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1593
1594	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1595	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1596		assertTrue(f.cancel(mayInterruptIfRunning));
1597	<	checkIncomplete(h);
1598	<	g.complete(v1);
1597	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1598	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1599
1600	<	checkCompletedWithWrappedCancellationException(h);
1600	>	checkCompletedWithWrappedCancellationException(h0);
1601	>	checkCompletedWithWrappedCancellationException(h1);
1602	>	checkCompletedWithWrappedCancellationException(h2);
1603	>	checkCompletedWithWrappedCancellationException(h3);
1604		checkCancelled(f);
1605	<	assertEquals(r.invocationCount, 0);
1606	<	checkCompletedNormally(g, v1);
1485	<	}
1486	<	}
1605	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1606	>	}}
1607
1608	<	public void testThenAcceptBoth_sourceCancelled2() {
1608	>	/**
1609	>	* thenAccept result completes exceptionally if action does
1610	>	*/
1611	>	public void testThenAccept_actionFailed() {
1612		for (ExecutionMode m : ExecutionMode.values())
1613	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1614	<	for (Integer v1 : new Integer[] { 1, null }) {
1492	<
1613	>	for (Integer v1 : new Integer[] { 1, null })
1614	>	{
1615		final CompletableFuture<Integer> f = new CompletableFuture<>();
1616	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1617	<	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);
1616	>	final FailingConsumer[] rs = new FailingConsumer[4];
1617	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1618
1619	<	checkCompletedWithWrappedCancellationException(h);
1620	<	checkCancelled(g);
1621	<	assertEquals(r.invocationCount, 0);
1619	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1620	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1621	>	assertTrue(f.complete(v1));
1622	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1623	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1624	>
1625	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1626	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1627	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1628	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1629		checkCompletedNormally(f, v1);
1630	<	}
1507	<	}
1630	>	}}
1631
1632	<	public void testThenAcceptBoth_sourceCancelled3() {
1632	>	/**
1633	>	* thenCombine result completes normally after normal completion
1634	>	* of sources
1635	>	*/
1636	>	public void testThenCombine_normalCompletion() {
1637		for (ExecutionMode m : ExecutionMode.values())
1638	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1639	<	for (Integer v1 : new Integer[] { 1, null }) {
1640	<
1638	>	for (boolean fFirst : new boolean[] { true, false })
1639	>	for (Integer v1 : new Integer[] { 1, null })
1640	>	for (Integer v2 : new Integer[] { 2, null })
1641	>	{
1642		final CompletableFuture<Integer> f = new CompletableFuture<>();
1643		final CompletableFuture<Integer> g = new CompletableFuture<>();
1644	<	final SubtractAction r = new SubtractAction();
1644	>	final SubtractFunction[] rs = new SubtractFunction[6];
1645	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1646
1647	<	assertTrue(g.cancel(mayInterruptIfRunning));
1648	<	f.complete(v1);
1649	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1647	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1648	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1649	>	final Integer w1 =  fFirst ? v1 : v2;
1650	>	final Integer w2 = !fFirst ? v1 : v2;
1651	>
1652	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1653	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1654	>	assertTrue(fst.complete(w1));
1655	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1656	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1657	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1658	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1659	>	checkCompletedNormally(h1, subtract(w1, w1));
1660	>	checkCompletedNormally(h3, subtract(w1, w1));
1661	>	rs[1].assertValue(subtract(w1, w1));
1662	>	rs[3].assertValue(subtract(w1, w1));
1663	>	assertTrue(snd.complete(w2));
1664	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1665	>
1666	>	checkCompletedNormally(h0, subtract(v1, v2));
1667	>	checkCompletedNormally(h2, subtract(v1, v2));
1668	>	checkCompletedNormally(h4, subtract(v1, v2));
1669	>	rs[0].assertValue(subtract(v1, v2));
1670	>	rs[2].assertValue(subtract(v1, v2));
1671	>	rs[4].assertValue(subtract(v1, v2));
1672
1522	–	checkCompletedWithWrappedCancellationException(h);
1523	–	checkCancelled(g);
1524	–	assertEquals(r.invocationCount, 0);
1673		checkCompletedNormally(f, v1);
1674	<	}
1675	<	}
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	<	}
1674	>	checkCompletedNormally(g, v2);
1675	>	}}
1676
1677		/**
1678	<	* runAfterBoth result completes normally after normal
1679	<	* completion of sources
1678	>	* thenCombine result completes exceptionally after exceptional
1679	>	* completion of either source
1680		*/
1681	<	public void testRunAfterBoth_normalCompletion1() {
1681	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1682		for (ExecutionMode m : ExecutionMode.values())
1683	+	for (boolean fFirst : new boolean[] { true, false })
1684	+	for (boolean failFirst : new boolean[] { true, false })
1685		for (Integer v1 : new Integer[] { 1, null })
1686	<	for (Integer v2 : new Integer[] { 2, null }) {
1557	<
1686	>	{
1687		final CompletableFuture<Integer> f = new CompletableFuture<>();
1688		final CompletableFuture<Integer> g = new CompletableFuture<>();
1689	<	final Noop r = new Noop();
1690	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1691	<
1692	<	f.complete(v1);
1693	<	checkIncomplete(h);
1694	<	assertFalse(r.ran);
1695	<	g.complete(v2);
1696	<
1697	<	checkCompletedNormally(h, null);
1698	<	assertEquals(r.invocationCount, 1);
1699	<	checkCompletedNormally(f, v1);
1700	<	checkCompletedNormally(g, v2);
1701	<	}
1702	<	}
1689	>	final CFException ex = new CFException();
1690	>	final SubtractFunction r1 = new SubtractFunction(m);
1691	>	final SubtractFunction r2 = new SubtractFunction(m);
1692	>	final SubtractFunction r3 = new SubtractFunction(m);
1693	>
1694	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1695	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1696	>	final Callable<Boolean> complete1 = failFirst ?
1697	>	() -> fst.completeExceptionally(ex) :
1698	>	() -> fst.complete(v1);
1699	>	final Callable<Boolean> complete2 = failFirst ?
1700	>	() -> snd.complete(v1) :
1701	>	() -> snd.completeExceptionally(ex);
1702	>
1703	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1704	>	assertTrue(complete1.call());
1705	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1706	>	checkIncomplete(h1);
1707	>	checkIncomplete(h2);
1708	>	assertTrue(complete2.call());
1709	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1710	>
1711	>	checkCompletedWithWrappedException(h1, ex);
1712	>	checkCompletedWithWrappedException(h2, ex);
1713	>	checkCompletedWithWrappedException(h3, ex);
1714	>	r1.assertNotInvoked();
1715	>	r2.assertNotInvoked();
1716	>	r3.assertNotInvoked();
1717	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1718	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1719	>	}}
1720
1721	<	public void testRunAfterBoth_normalCompletion2() {
1721	>	/**
1722	>	* thenCombine result completes exceptionally if either source cancelled
1723	>	*/
1724	>	public void testThenCombine_sourceCancelled() throws Throwable {
1725		for (ExecutionMode m : ExecutionMode.values())
1726	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1727	+	for (boolean fFirst : new boolean[] { true, false })
1728	+	for (boolean failFirst : new boolean[] { true, false })
1729		for (Integer v1 : new Integer[] { 1, null })
1730	<	for (Integer v2 : new Integer[] { 2, null }) {
1579	<
1730	>	{
1731		final CompletableFuture<Integer> f = new CompletableFuture<>();
1732		final CompletableFuture<Integer> g = new CompletableFuture<>();
1733	<	final Noop r = new Noop();
1734	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1735	<
1736	<	g.complete(v2);
1737	<	checkIncomplete(h);
1738	<	assertFalse(r.ran);
1739	<	f.complete(v1);
1740	<
1741	<	checkCompletedNormally(h, null);
1742	<	assertEquals(r.invocationCount, 1);
1743	<	checkCompletedNormally(f, v1);
1744	<	checkCompletedNormally(g, v2);
1745	<	}
1746	<	}
1733	>	final SubtractFunction r1 = new SubtractFunction(m);
1734	>	final SubtractFunction r2 = new SubtractFunction(m);
1735	>	final SubtractFunction r3 = new SubtractFunction(m);
1736	>
1737	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1738	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1739	>	final Callable<Boolean> complete1 = failFirst ?
1740	>	() -> fst.cancel(mayInterruptIfRunning) :
1741	>	() -> fst.complete(v1);
1742	>	final Callable<Boolean> complete2 = failFirst ?
1743	>	() -> snd.complete(v1) :
1744	>	() -> snd.cancel(mayInterruptIfRunning);
1745	>
1746	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1747	>	assertTrue(complete1.call());
1748	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1749	>	checkIncomplete(h1);
1750	>	checkIncomplete(h2);
1751	>	assertTrue(complete2.call());
1752	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1753	>
1754	>	checkCompletedWithWrappedCancellationException(h1);
1755	>	checkCompletedWithWrappedCancellationException(h2);
1756	>	checkCompletedWithWrappedCancellationException(h3);
1757	>	r1.assertNotInvoked();
1758	>	r2.assertNotInvoked();
1759	>	r3.assertNotInvoked();
1760	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1761	>	checkCancelled(failFirst ? fst : snd);
1762	>	}}
1763
1764	<	public void testRunAfterBoth_normalCompletion3() {
1764	>	/**
1765	>	* thenCombine result completes exceptionally if action does
1766	>	*/
1767	>	public void testThenCombine_actionFailed() {
1768		for (ExecutionMode m : ExecutionMode.values())
1769	+	for (boolean fFirst : new boolean[] { true, false })
1770		for (Integer v1 : new Integer[] { 1, null })
1771	<	for (Integer v2 : new Integer[] { 2, null }) {
1772	<
1771	>	for (Integer v2 : new Integer[] { 2, null })
1772	>	{
1773		final CompletableFuture<Integer> f = new CompletableFuture<>();
1774		final CompletableFuture<Integer> g = new CompletableFuture<>();
1775	<	final Noop r = new Noop();
1776	<
1777	<	g.complete(v2);
1778	<	f.complete(v1);
1779	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1780	<
1781	<	checkCompletedNormally(h, null);
1782	<	assertTrue(r.ran);
1775	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1776	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1777	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1778	>
1779	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1780	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1781	>	final Integer w1 =  fFirst ? v1 : v2;
1782	>	final Integer w2 = !fFirst ? v1 : v2;
1783	>
1784	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1785	>	assertTrue(fst.complete(w1));
1786	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1787	>	assertTrue(snd.complete(w2));
1788	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1789	>
1790	>	checkCompletedWithWrappedException(h1, r1.ex);
1791	>	checkCompletedWithWrappedException(h2, r2.ex);
1792	>	checkCompletedWithWrappedException(h3, r3.ex);
1793	>	r1.assertInvoked();
1794	>	r2.assertInvoked();
1795	>	r3.assertInvoked();
1796		checkCompletedNormally(f, v1);
1797		checkCompletedNormally(g, v2);
1798	<	}
1615	<	}
1798	>	}}
1799
1800	<	public void testRunAfterBoth_normalCompletion4() {
1800	>	/**
1801	>	* thenAcceptBoth result completes normally after normal
1802	>	* completion of sources
1803	>	*/
1804	>	public void testThenAcceptBoth_normalCompletion() {
1805		for (ExecutionMode m : ExecutionMode.values())
1806	+	for (boolean fFirst : new boolean[] { true, false })
1807		for (Integer v1 : new Integer[] { 1, null })
1808	<	for (Integer v2 : new Integer[] { 2, null }) {
1809	<
1808	>	for (Integer v2 : new Integer[] { 2, null })
1809	>	{
1810		final CompletableFuture<Integer> f = new CompletableFuture<>();
1811		final CompletableFuture<Integer> g = new CompletableFuture<>();
1812	<	final Noop r = new Noop();
1813	<
1814	<	f.complete(v1);
1815	<	g.complete(v2);
1816	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1817	<
1818	<	checkCompletedNormally(h, null);
1819	<	assertEquals(r.invocationCount, 1);
1812	>	final SubtractAction r1 = new SubtractAction(m);
1813	>	final SubtractAction r2 = new SubtractAction(m);
1814	>	final SubtractAction r3 = new SubtractAction(m);
1815	>
1816	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1817	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1818	>	final Integer w1 =  fFirst ? v1 : v2;
1819	>	final Integer w2 = !fFirst ? v1 : v2;
1820	>
1821	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1822	>	assertTrue(fst.complete(w1));
1823	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1824	>	checkIncomplete(h1);
1825	>	checkIncomplete(h2);
1826	>	r1.assertNotInvoked();
1827	>	r2.assertNotInvoked();
1828	>	assertTrue(snd.complete(w2));
1829	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1830	>
1831	>	checkCompletedNormally(h1, null);
1832	>	checkCompletedNormally(h2, null);
1833	>	checkCompletedNormally(h3, null);
1834	>	r1.assertValue(subtract(v1, v2));
1835	>	r2.assertValue(subtract(v1, v2));
1836	>	r3.assertValue(subtract(v1, v2));
1837		checkCompletedNormally(f, v1);
1838		checkCompletedNormally(g, v2);
1839	<	}
1635	<	}
1839	>	}}
1840
1841		/**
1842	<	* runAfterBoth result completes exceptionally after exceptional
1842	>	* thenAcceptBoth result completes exceptionally after exceptional
1843		* completion of either source
1844		*/
1845	<	public void testRunAfterBoth_exceptionalCompletion1() {
1642	<	for (ExecutionMode m : ExecutionMode.values())
1643	<	for (Integer v1 : new Integer[] { 1, null }) {
1644	<
1645	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1646	<	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() {
1845	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1846		for (ExecutionMode m : ExecutionMode.values())
1847	<	for (Integer v1 : new Integer[] { 1, null }) {
1848	<
1847	>	for (boolean fFirst : new boolean[] { true, false })
1848	>	for (boolean failFirst : new boolean[] { true, false })
1849	>	for (Integer v1 : new Integer[] { 1, null })
1850	>	{
1851		final CompletableFuture<Integer> f = new CompletableFuture<>();
1852		final CompletableFuture<Integer> g = new CompletableFuture<>();
1689	–	final Noop r = new Noop();
1853		final CFException ex = new CFException();
1854	+	final SubtractAction r1 = new SubtractAction(m);
1855	+	final SubtractAction r2 = new SubtractAction(m);
1856	+	final SubtractAction r3 = new SubtractAction(m);
1857	+
1858	+	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1859	+	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1860	+	final Callable<Boolean> complete1 = failFirst ?
1861	+	() -> fst.completeExceptionally(ex) :
1862	+	() -> fst.complete(v1);
1863	+	final Callable<Boolean> complete2 = failFirst ?
1864	+	() -> snd.complete(v1) :
1865	+	() -> snd.completeExceptionally(ex);
1866	+
1867	+	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1868	+	assertTrue(complete1.call());
1869	+	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1870	+	checkIncomplete(h1);
1871	+	checkIncomplete(h2);
1872	+	assertTrue(complete2.call());
1873	+	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1874	+
1875	+	checkCompletedWithWrappedException(h1, ex);
1876	+	checkCompletedWithWrappedException(h2, ex);
1877	+	checkCompletedWithWrappedException(h3, ex);
1878	+	r1.assertNotInvoked();
1879	+	r2.assertNotInvoked();
1880	+	r3.assertNotInvoked();
1881	+	checkCompletedNormally(failFirst ? snd : fst, v1);
1882	+	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1883	+	}}
1884
1885	<	g.completeExceptionally(ex);
1886	<	f.complete(v1);
1887	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1888	<
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() {
1885	>	/**
1886	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1887	>	*/
1888	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1889		for (ExecutionMode m : ExecutionMode.values())
1890	<	for (Integer v1 : new Integer[] { 1, null }) {
1891	<
1890	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1891	>	for (boolean fFirst : new boolean[] { true, false })
1892	>	for (boolean failFirst : new boolean[] { true, false })
1893	>	for (Integer v1 : new Integer[] { 1, null })
1894	>	{
1895		final CompletableFuture<Integer> f = new CompletableFuture<>();
1896		final CompletableFuture<Integer> g = new CompletableFuture<>();
1897	<	final Noop r = new Noop();
1898	<	final CFException ex = new CFException();
1899	<
1900	<	f.completeExceptionally(ex);
1901	<	g.complete(v1);
1902	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1903	<
1904	<	checkCompletedWithWrappedCFException(h, ex);
1905	<	checkCompletedWithWrappedCFException(f, ex);
1906	<	assertEquals(r.invocationCount, 0);
1907	<	checkCompletedNormally(g, v1);
1908	<	}
1909	<	}
1897	>	final SubtractAction r1 = new SubtractAction(m);
1898	>	final SubtractAction r2 = new SubtractAction(m);
1899	>	final SubtractAction r3 = new SubtractAction(m);
1900	>
1901	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1902	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1903	>	final Callable<Boolean> complete1 = failFirst ?
1904	>	() -> fst.cancel(mayInterruptIfRunning) :
1905	>	() -> fst.complete(v1);
1906	>	final Callable<Boolean> complete2 = failFirst ?
1907	>	() -> snd.complete(v1) :
1908	>	() -> snd.cancel(mayInterruptIfRunning);
1909	>
1910	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1911	>	assertTrue(complete1.call());
1912	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1913	>	checkIncomplete(h1);
1914	>	checkIncomplete(h2);
1915	>	assertTrue(complete2.call());
1916	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1917	>
1918	>	checkCompletedWithWrappedCancellationException(h1);
1919	>	checkCompletedWithWrappedCancellationException(h2);
1920	>	checkCompletedWithWrappedCancellationException(h3);
1921	>	r1.assertNotInvoked();
1922	>	r2.assertNotInvoked();
1923	>	r3.assertNotInvoked();
1924	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1925	>	checkCancelled(failFirst ? fst : snd);
1926	>	}}
1927
1928		/**
1929	<	* runAfterBoth result completes exceptionally if action does
1929	>	* thenAcceptBoth result completes exceptionally if action does
1930		*/
1931	<	public void testRunAfterBoth_actionFailed1() {
1931	>	public void testThenAcceptBoth_actionFailed() {
1932		for (ExecutionMode m : ExecutionMode.values())
1933	+	for (boolean fFirst : new boolean[] { true, false })
1934		for (Integer v1 : new Integer[] { 1, null })
1935	<	for (Integer v2 : new Integer[] { 2, null }) {
1936	<
1935	>	for (Integer v2 : new Integer[] { 2, null })
1936	>	{
1937		final CompletableFuture<Integer> f = new CompletableFuture<>();
1938		final CompletableFuture<Integer> g = new CompletableFuture<>();
1939	<	final FailingNoop r = new FailingNoop();
1940	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1941	<
1942	<	f.complete(v1);
1943	<	checkIncomplete(h);
1944	<	g.complete(v2);
1945	<
1946	<	checkCompletedWithWrappedCFException(h);
1939	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1940	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1941	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1942	>
1943	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1944	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1945	>	final Integer w1 =  fFirst ? v1 : v2;
1946	>	final Integer w2 = !fFirst ? v1 : v2;
1947	>
1948	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1949	>	assertTrue(fst.complete(w1));
1950	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1951	>	assertTrue(snd.complete(w2));
1952	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1953	>
1954	>	checkCompletedWithWrappedException(h1, r1.ex);
1955	>	checkCompletedWithWrappedException(h2, r2.ex);
1956	>	checkCompletedWithWrappedException(h3, r3.ex);
1957	>	r1.assertInvoked();
1958	>	r2.assertInvoked();
1959	>	r3.assertInvoked();
1960		checkCompletedNormally(f, v1);
1961		checkCompletedNormally(g, v2);
1962	<	}
1744	<	}
1962	>	}}
1963
1964	<	public void testRunAfterBoth_actionFailed2() {
1964	>	/**
1965	>	* runAfterBoth result completes normally after normal
1966	>	* completion of sources
1967	>	*/
1968	>	public void testRunAfterBoth_normalCompletion() {
1969		for (ExecutionMode m : ExecutionMode.values())
1970	+	for (boolean fFirst : new boolean[] { true, false })
1971		for (Integer v1 : new Integer[] { 1, null })
1972	<	for (Integer v2 : new Integer[] { 2, null }) {
1973	<
1972	>	for (Integer v2 : new Integer[] { 2, null })
1973	>	{
1974		final CompletableFuture<Integer> f = new CompletableFuture<>();
1975		final CompletableFuture<Integer> g = new CompletableFuture<>();
1976	<	final FailingNoop r = new FailingNoop();
1977	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1978	<
1979	<	g.complete(v2);
1980	<	checkIncomplete(h);
1981	<	f.complete(v1);
1982	<
1983	<	checkCompletedWithWrappedCFException(h);
1976	>	final Noop r1 = new Noop(m);
1977	>	final Noop r2 = new Noop(m);
1978	>	final Noop r3 = new Noop(m);
1979	>
1980	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1981	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1982	>	final Integer w1 =  fFirst ? v1 : v2;
1983	>	final Integer w2 = !fFirst ? v1 : v2;
1984	>
1985	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1986	>	assertTrue(fst.complete(w1));
1987	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1988	>	checkIncomplete(h1);
1989	>	checkIncomplete(h2);
1990	>	r1.assertNotInvoked();
1991	>	r2.assertNotInvoked();
1992	>	assertTrue(snd.complete(w2));
1993	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1994	>
1995	>	checkCompletedNormally(h1, null);
1996	>	checkCompletedNormally(h2, null);
1997	>	checkCompletedNormally(h3, null);
1998	>	r1.assertInvoked();
1999	>	r2.assertInvoked();
2000	>	r3.assertInvoked();
2001		checkCompletedNormally(f, v1);
2002		checkCompletedNormally(g, v2);
2003	<	}
1764	<	}
2003	>	}}
2004
2005		/**
2006	<	* runAfterBoth result completes exceptionally if either source cancelled
2006	>	* runAfterBoth result completes exceptionally after exceptional
2007	>	* completion of either source
2008		*/
2009	<	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() {
2009	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2010		for (ExecutionMode m : ExecutionMode.values())
2011	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2012	<	for (Integer v1 : new Integer[] { 1, null }) {
2013	<
2011	>	for (boolean fFirst : new boolean[] { true, false })
2012	>	for (boolean failFirst : new boolean[] { true, false })
2013	>	for (Integer v1 : new Integer[] { 1, null })
2014	>	{
2015		final CompletableFuture<Integer> f = new CompletableFuture<>();
2016		final CompletableFuture<Integer> g = new CompletableFuture<>();
2017	<	final Noop r = new Noop();
2018	<
2019	<	assertTrue(g.cancel(mayInterruptIfRunning));
2020	<	f.complete(v1);
2021	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2022	<
2023	<	checkCompletedWithWrappedCancellationException(h);
2024	<	checkCancelled(g);
2025	<	assertEquals(r.invocationCount, 0);
2026	<	checkCompletedNormally(f, v1);
2027	<	}
2028	<	}
2017	>	final CFException ex = new CFException();
2018	>	final Noop r1 = new Noop(m);
2019	>	final Noop r2 = new Noop(m);
2020	>	final Noop r3 = new Noop(m);
2021	>
2022	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2023	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2024	>	final Callable<Boolean> complete1 = failFirst ?
2025	>	() -> fst.completeExceptionally(ex) :
2026	>	() -> fst.complete(v1);
2027	>	final Callable<Boolean> complete2 = failFirst ?
2028	>	() -> snd.complete(v1) :
2029	>	() -> snd.completeExceptionally(ex);
2030	>
2031	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2032	>	assertTrue(complete1.call());
2033	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2034	>	checkIncomplete(h1);
2035	>	checkIncomplete(h2);
2036	>	assertTrue(complete2.call());
2037	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2038	>
2039	>	checkCompletedWithWrappedException(h1, ex);
2040	>	checkCompletedWithWrappedException(h2, ex);
2041	>	checkCompletedWithWrappedException(h3, ex);
2042	>	r1.assertNotInvoked();
2043	>	r2.assertNotInvoked();
2044	>	r3.assertNotInvoked();
2045	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2046	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2047	>	}}
2048
2049	<	public void testRunAfterBoth_sourceCancelled4() {
2049	>	/**
2050	>	* runAfterBoth result completes exceptionally if either source cancelled
2051	>	*/
2052	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2053		for (ExecutionMode m : ExecutionMode.values())
2054		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2055	<	for (Integer v1 : new Integer[] { 1, null }) {
2056	<
2055	>	for (boolean fFirst : new boolean[] { true, false })
2056	>	for (boolean failFirst : new boolean[] { true, false })
2057	>	for (Integer v1 : new Integer[] { 1, null })
2058	>	{
2059		final CompletableFuture<Integer> f = new CompletableFuture<>();
2060		final CompletableFuture<Integer> g = new CompletableFuture<>();
2061	<	final Noop r = new Noop();
2062	<
2063	<	assertTrue(f.cancel(mayInterruptIfRunning));
2064	<	g.complete(v1);
2065	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2066	<
2067	<	checkCompletedWithWrappedCancellationException(h);
2068	<	checkCancelled(f);
2069	<	assertEquals(r.invocationCount, 0);
2070	<	checkCompletedNormally(g, v1);
2071	<	}
2072	<	}
2061	>	final Noop r1 = new Noop(m);
2062	>	final Noop r2 = new Noop(m);
2063	>	final Noop r3 = new Noop(m);
2064	>
2065	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2066	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2067	>	final Callable<Boolean> complete1 = failFirst ?
2068	>	() -> fst.cancel(mayInterruptIfRunning) :
2069	>	() -> fst.complete(v1);
2070	>	final Callable<Boolean> complete2 = failFirst ?
2071	>	() -> snd.complete(v1) :
2072	>	() -> snd.cancel(mayInterruptIfRunning);
2073	>
2074	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2075	>	assertTrue(complete1.call());
2076	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2077	>	checkIncomplete(h1);
2078	>	checkIncomplete(h2);
2079	>	assertTrue(complete2.call());
2080	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2081	>
2082	>	checkCompletedWithWrappedCancellationException(h1);
2083	>	checkCompletedWithWrappedCancellationException(h2);
2084	>	checkCompletedWithWrappedCancellationException(h3);
2085	>	r1.assertNotInvoked();
2086	>	r2.assertNotInvoked();
2087	>	r3.assertNotInvoked();
2088	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2089	>	checkCancelled(failFirst ? fst : snd);
2090	>	}}
2091
2092		/**
2093	<	* applyToEither result completes normally after normal completion
1853	<	* of either source
2093	>	* runAfterBoth result completes exceptionally if action does
2094		*/
2095	<	public void testApplyToEither_normalCompletion1() {
2095	>	public void testRunAfterBoth_actionFailed() {
2096		for (ExecutionMode m : ExecutionMode.values())
2097	+	for (boolean fFirst : new boolean[] { true, false })
2098		for (Integer v1 : new Integer[] { 1, null })
2099	<	for (Integer v2 : new Integer[] { 2, null }) {
2100	<
2099	>	for (Integer v2 : new Integer[] { 2, null })
2100	>	{
2101		final CompletableFuture<Integer> f = new CompletableFuture<>();
2102		final CompletableFuture<Integer> g = new CompletableFuture<>();
2103	<	final IncFunction r = new IncFunction();
2104	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2105	<
2106	<	f.complete(v1);
2107	<	checkCompletedNormally(h, inc(v1));
2108	<	g.complete(v2);
2109	<
2103	>	final FailingRunnable r1 = new FailingRunnable(m);
2104	>	final FailingRunnable r2 = new FailingRunnable(m);
2105	>	final FailingRunnable r3 = new FailingRunnable(m);
2106	>
2107	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2108	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2109	>	final Integer w1 =  fFirst ? v1 : v2;
2110	>	final Integer w2 = !fFirst ? v1 : v2;
2111	>
2112	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2113	>	assertTrue(fst.complete(w1));
2114	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2115	>	assertTrue(snd.complete(w2));
2116	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2117	>
2118	>	checkCompletedWithWrappedException(h1, r1.ex);
2119	>	checkCompletedWithWrappedException(h2, r2.ex);
2120	>	checkCompletedWithWrappedException(h3, r3.ex);
2121	>	r1.assertInvoked();
2122	>	r2.assertInvoked();
2123	>	r3.assertInvoked();
2124		checkCompletedNormally(f, v1);
2125		checkCompletedNormally(g, v2);
2126	<	checkCompletedNormally(h, inc(v1));
1872	<	}
1873	<	}
2126	>	}}
2127
2128	<	public void testApplyToEither_normalCompletion2() {
2128	>	/**
2129	>	* applyToEither result completes normally after normal completion
2130	>	* of either source
2131	>	*/
2132	>	public void testApplyToEither_normalCompletion() {
2133		for (ExecutionMode m : ExecutionMode.values())
2134		for (Integer v1 : new Integer[] { 1, null })
2135	<	for (Integer v2 : new Integer[] { 2, null }) {
2136	<
2135	>	for (Integer v2 : new Integer[] { 2, null })
2136	>	{
2137		final CompletableFuture<Integer> f = new CompletableFuture<>();
2138		final CompletableFuture<Integer> g = new CompletableFuture<>();
2139	<	final IncFunction r = new IncFunction();
2140	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2139	>	final IncFunction[] rs = new IncFunction[6];
2140	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2141
2142	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2143	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2144	+	checkIncomplete(h0);
2145	+	checkIncomplete(h1);
2146	+	rs[0].assertNotInvoked();
2147	+	rs[1].assertNotInvoked();
2148	+	f.complete(v1);
2149	+	checkCompletedNormally(h0, inc(v1));
2150	+	checkCompletedNormally(h1, inc(v1));
2151	+	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2152	+	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2153	+	checkCompletedNormally(h2, inc(v1));
2154	+	checkCompletedNormally(h3, inc(v1));
2155		g.complete(v2);
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 }) {
2156
2157	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2158	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2159	<	final IncFunction r = new IncFunction();
2160	<
2161	<	f.complete(v1);
2162	<	g.complete(v2);
2163	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2157	>	// unspecified behavior - both source completions available
2158	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2159	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2160	>	rs[4].assertValue(h4.join());
2161	>	rs[5].assertValue(h5.join());
2162	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2163	>	Objects.equals(inc(v2), h4.join()));
2164	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2165	>	Objects.equals(inc(v2), h5.join()));
2166
2167		checkCompletedNormally(f, v1);
2168		checkCompletedNormally(g, v2);
2169	<
2170	<	// unspecified behavior
2171	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2172	<	Objects.equals(h.join(), inc(v2)));
2173	<	assertEquals(r.invocationCount, 1);
2174	<	}
1915	<	}
2169	>	checkCompletedNormally(h0, inc(v1));
2170	>	checkCompletedNormally(h1, inc(v1));
2171	>	checkCompletedNormally(h2, inc(v1));
2172	>	checkCompletedNormally(h3, inc(v1));
2173	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2174	>	}}
2175
2176		/**
2177		* applyToEither result completes exceptionally after exceptional
2178		* completion of either source
2179		*/
2180	<	public void testApplyToEither_exceptionalCompletion1() {
2180	>	public void testApplyToEither_exceptionalCompletion() {
2181		for (ExecutionMode m : ExecutionMode.values())
2182	<	for (Integer v1 : new Integer[] { 1, null }) {
2183	<
2182	>	for (Integer v1 : new Integer[] { 1, null })
2183	>	{
2184		final CompletableFuture<Integer> f = new CompletableFuture<>();
2185		final CompletableFuture<Integer> g = new CompletableFuture<>();
1927	–	final IncFunction r = new IncFunction();
1928	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2186		final CFException ex = new CFException();
2187	+	final IncFunction[] rs = new IncFunction[6];
2188	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2189
2190	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2191	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2192	+	checkIncomplete(h0);
2193	+	checkIncomplete(h1);
2194	+	rs[0].assertNotInvoked();
2195	+	rs[1].assertNotInvoked();
2196		f.completeExceptionally(ex);
2197	<	checkCompletedWithWrappedCFException(h, ex);
2197	>	checkCompletedWithWrappedException(h0, ex);
2198	>	checkCompletedWithWrappedException(h1, ex);
2199	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2200	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2201	>	checkCompletedWithWrappedException(h2, ex);
2202	>	checkCompletedWithWrappedException(h3, ex);
2203		g.complete(v1);
2204
2205	<	assertEquals(r.invocationCount, 0);
2206	<	checkCompletedNormally(g, v1);
2207	<	checkCompletedWithWrappedCFException(f, ex);
2208	<	checkCompletedWithWrappedCFException(h, ex);
2209	<	}
2210	<	}
2211	<
2212	<	public void testApplyToEither_exceptionalCompletion2() {
2213	<	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);
2205	>	// unspecified behavior - both source completions available
2206	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2207	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2208	>	try {
2209	>	assertEquals(inc(v1), h4.join());
2210	>	rs[4].assertValue(inc(v1));
2211	>	} catch (CompletionException ok) {
2212	>	checkCompletedWithWrappedException(h4, ex);
2213	>	rs[4].assertNotInvoked();
2214		}
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;
2215		try {
2216	<	assertEquals(h.join(), inc(v1));
2217	<	assertEquals(r.invocationCount, 1);
2216	>	assertEquals(inc(v1), h5.join());
2217	>	rs[5].assertValue(inc(v1));
2218		} catch (CompletionException ok) {
2219	<	checkCompletedWithWrappedCFException(h, ex);
2220	<	assertEquals(r.invocationCount, 0);
2219	>	checkCompletedWithWrappedException(h5, ex);
2220	>	rs[5].assertNotInvoked();
2221		}
2222
2223	<	checkCompletedWithWrappedCFException(g, ex);
2224	<	checkCompletedNormally(f, v1);
2225	<	}
2226	<	}
2223	>	checkCompletedExceptionally(f, ex);
2224	>	checkCompletedNormally(g, v1);
2225	>	checkCompletedWithWrappedException(h0, ex);
2226	>	checkCompletedWithWrappedException(h1, ex);
2227	>	checkCompletedWithWrappedException(h2, ex);
2228	>	checkCompletedWithWrappedException(h3, ex);
2229	>	checkCompletedWithWrappedException(h4, ex);
2230	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2231	>	}}
2232
2233	<	public void testApplyToEither_exceptionalCompletion4() {
2233	>	public void testApplyToEither_exceptionalCompletion2() {
2234		for (ExecutionMode m : ExecutionMode.values())
2235	<	for (Integer v1 : new Integer[] { 1, null }) {
2236	<
2235	>	for (boolean fFirst : new boolean[] { true, false })
2236	>	for (Integer v1 : new Integer[] { 1, null })
2237	>	{
2238		final CompletableFuture<Integer> f = new CompletableFuture<>();
2239		final CompletableFuture<Integer> g = new CompletableFuture<>();
1997	–	final IncFunction r = new IncFunction();
2240		final CFException ex = new CFException();
2241	+	final IncFunction[] rs = new IncFunction[6];
2242	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2243
2244	<	f.completeExceptionally(ex);
2245	<	g.complete(v1);
2246	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2244	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2245	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2246	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2247	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2248	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2249	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2250
2251	<	// unspecified behavior
2005	<	Integer v;
2251	>	// unspecified behavior - both source completions available
2252		try {
2253	<	assertEquals(h.join(), inc(v1));
2254	<	assertEquals(r.invocationCount, 1);
2253	>	assertEquals(inc(v1), h0.join());
2254	>	rs[0].assertValue(inc(v1));
2255		} catch (CompletionException ok) {
2256	<	checkCompletedWithWrappedCFException(h, ex);
2257	<	assertEquals(r.invocationCount, 0);
2256	>	checkCompletedWithWrappedException(h0, ex);
2257	>	rs[0].assertNotInvoked();
2258		}
2259	<
2260	<	checkCompletedWithWrappedCFException(f, ex);
2261	<	checkCompletedNormally(g, v1);
2259	>	try {
2260	>	assertEquals(inc(v1), h1.join());
2261	>	rs[1].assertValue(inc(v1));
2262	>	} catch (CompletionException ok) {
2263	>	checkCompletedWithWrappedException(h1, ex);
2264	>	rs[1].assertNotInvoked();
2265		}
2266	<	}
2267	<
2268	<	/**
2269	<	* applyToEither result completes exceptionally if action does
2270	<	*/
2271	<	public void testApplyToEither_actionFailed1() {
2272	<	for (ExecutionMode m : ExecutionMode.values())
2273	<	for (Integer v1 : new Integer[] { 1, null })
2274	<	for (Integer v2 : new Integer[] { 2, null }) {
2275	<
2276	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2277	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2278	<	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);
2266	>	try {
2267	>	assertEquals(inc(v1), h2.join());
2268	>	rs[2].assertValue(inc(v1));
2269	>	} catch (CompletionException ok) {
2270	>	checkCompletedWithWrappedException(h2, ex);
2271	>	rs[2].assertNotInvoked();
2272	>	}
2273	>	try {
2274	>	assertEquals(inc(v1), h3.join());
2275	>	rs[3].assertValue(inc(v1));
2276	>	} catch (CompletionException ok) {
2277	>	checkCompletedWithWrappedException(h3, ex);
2278	>	rs[3].assertNotInvoked();
2279		}
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);
2280
2050	–	g.complete(v2);
2051	–	checkCompletedWithWrappedCFException(h);
2052	–	f.complete(v1);
2281		checkCompletedNormally(f, v1);
2282	<	checkCompletedNormally(g, v2);
2283	<	}
2056	<	}
2282	>	checkCompletedExceptionally(g, ex);
2283	>	}}
2284
2285		/**
2286		* applyToEither result completes exceptionally if either source cancelled
2287		*/
2288	<	public void testApplyToEither_sourceCancelled1() {
2288	>	public void testApplyToEither_sourceCancelled() {
2289		for (ExecutionMode m : ExecutionMode.values())
2290		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2291	<	for (Integer v1 : new Integer[] { 1, null }) {
2292	<
2291	>	for (Integer v1 : new Integer[] { 1, null })
2292	>	{
2293		final CompletableFuture<Integer> f = new CompletableFuture<>();
2294		final CompletableFuture<Integer> g = new CompletableFuture<>();
2295	<	final IncFunction r = new IncFunction();
2296	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2295	>	final IncFunction[] rs = new IncFunction[6];
2296	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2297
2298	<	assertTrue(f.cancel(mayInterruptIfRunning));
2299	<	checkCompletedWithWrappedCancellationException(h);
2298	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2299	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2300	>	checkIncomplete(h0);
2301	>	checkIncomplete(h1);
2302	>	rs[0].assertNotInvoked();
2303	>	rs[1].assertNotInvoked();
2304	>	f.cancel(mayInterruptIfRunning);
2305	>	checkCompletedWithWrappedCancellationException(h0);
2306	>	checkCompletedWithWrappedCancellationException(h1);
2307	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2308	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2309	>	checkCompletedWithWrappedCancellationException(h2);
2310	>	checkCompletedWithWrappedCancellationException(h3);
2311		g.complete(v1);
2312
2313	+	// unspecified behavior - both source completions available
2314	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2315	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2316	+	try {
2317	+	assertEquals(inc(v1), h4.join());
2318	+	rs[4].assertValue(inc(v1));
2319	+	} catch (CompletionException ok) {
2320	+	checkCompletedWithWrappedCancellationException(h4);
2321	+	rs[4].assertNotInvoked();
2322	+	}
2323	+	try {
2324	+	assertEquals(inc(v1), h5.join());
2325	+	rs[5].assertValue(inc(v1));
2326	+	} catch (CompletionException ok) {
2327	+	checkCompletedWithWrappedCancellationException(h5);
2328	+	rs[5].assertNotInvoked();
2329	+	}
2330	+
2331		checkCancelled(f);
2076	–	assertEquals(r.invocationCount, 0);
2332		checkCompletedNormally(g, v1);
2333	<	checkCompletedWithWrappedCancellationException(h);
2334	<	}
2335	<	}
2333	>	checkCompletedWithWrappedCancellationException(h0);
2334	>	checkCompletedWithWrappedCancellationException(h1);
2335	>	checkCompletedWithWrappedCancellationException(h2);
2336	>	checkCompletedWithWrappedCancellationException(h3);
2337	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2338	>	}}
2339
2340		public void testApplyToEither_sourceCancelled2() {
2341		for (ExecutionMode m : ExecutionMode.values())
2342		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2343	<	for (Integer v1 : new Integer[] { 1, null }) {
2344	<
2343	>	for (boolean fFirst : new boolean[] { true, false })
2344	>	for (Integer v1 : new Integer[] { 1, null })
2345	>	{
2346		final CompletableFuture<Integer> f = new CompletableFuture<>();
2347		final CompletableFuture<Integer> g = new CompletableFuture<>();
2348	<	final IncFunction r = new IncFunction();
2349	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2348	>	final IncFunction[] rs = new IncFunction[6];
2349	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2350
2351	<	assertTrue(g.cancel(mayInterruptIfRunning));
2352	<	checkCompletedWithWrappedCancellationException(h);
2353	<	f.complete(v1);
2351	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2352	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2353	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2354	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2355	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2356	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2357
2358	<	checkCancelled(g);
2359	<	assertEquals(r.invocationCount, 0);
2360	<	checkCompletedNormally(f, v1);
2361	<	checkCompletedWithWrappedCancellationException(h);
2358	>	// unspecified behavior - both source completions available
2359	>	try {
2360	>	assertEquals(inc(v1), h0.join());
2361	>	rs[0].assertValue(inc(v1));
2362	>	} catch (CompletionException ok) {
2363	>	checkCompletedWithWrappedCancellationException(h0);
2364	>	rs[0].assertNotInvoked();
2365		}
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;
2366		try {
2367	<	assertEquals(h.join(), inc(v1));
2368	<	assertEquals(r.invocationCount, 1);
2367	>	assertEquals(inc(v1), h1.join());
2368	>	rs[1].assertValue(inc(v1));
2369		} catch (CompletionException ok) {
2370	<	checkCompletedWithWrappedCancellationException(h);
2371	<	assertEquals(r.invocationCount, 0);
2370	>	checkCompletedWithWrappedCancellationException(h1);
2371	>	rs[1].assertNotInvoked();
2372		}
2373	<
2374	<	checkCancelled(g);
2375	<	checkCompletedNormally(f, v1);
2373	>	try {
2374	>	assertEquals(inc(v1), h2.join());
2375	>	rs[2].assertValue(inc(v1));
2376	>	} catch (CompletionException ok) {
2377	>	checkCompletedWithWrappedCancellationException(h2);
2378	>	rs[2].assertNotInvoked();
2379		}
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;
2380		try {
2381	<	assertEquals(h.join(), inc(v1));
2382	<	assertEquals(r.invocationCount, 1);
2381	>	assertEquals(inc(v1), h3.join());
2382	>	rs[3].assertValue(inc(v1));
2383		} catch (CompletionException ok) {
2384	<	checkCompletedWithWrappedCancellationException(h);
2385	<	assertEquals(r.invocationCount, 0);
2384	>	checkCompletedWithWrappedCancellationException(h3);
2385	>	rs[3].assertNotInvoked();
2386		}
2387
2388	<	checkCancelled(f);
2389	<	checkCompletedNormally(g, v1);
2390	<	}
2157	<	}
2388	>	checkCompletedNormally(f, v1);
2389	>	checkCancelled(g);
2390	>	}}
2391
2392		/**
2393	<	* acceptEither result completes normally after normal completion
2161	<	* of either source
2393	>	* applyToEither result completes exceptionally if action does
2394		*/
2395	<	public void testAcceptEither_normalCompletion1() {
2395	>	public void testApplyToEither_actionFailed() {
2396		for (ExecutionMode m : ExecutionMode.values())
2397		for (Integer v1 : new Integer[] { 1, null })
2398	<	for (Integer v2 : new Integer[] { 2, null }) {
2399	<
2398	>	for (Integer v2 : new Integer[] { 2, null })
2399	>	{
2400		final CompletableFuture<Integer> f = new CompletableFuture<>();
2401		final CompletableFuture<Integer> g = new CompletableFuture<>();
2402	<	final IncAction r = new IncAction();
2403	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2402	>	final FailingFunction[] rs = new FailingFunction[6];
2403	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2404	>
2405	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2406	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2407	>	f.complete(v1);
2408	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2409	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2410	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2411	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2412	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2413	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2414	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2415
2173	–	f.complete(v1);
2174	–	checkCompletedNormally(h, null);
2175	–	assertEquals(r.value, inc(v1));
2416		g.complete(v2);
2417
2418	+	// unspecified behavior - both source completions available
2419	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2420	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2421	+
2422	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2423	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2424	+	Objects.equals(v2, rs[4].value));
2425	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2426	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2427	+	Objects.equals(v2, rs[5].value));
2428	+
2429		checkCompletedNormally(f, v1);
2430		checkCompletedNormally(g, v2);
2431	<	checkCompletedNormally(h, null);
2181	<	}
2182	<	}
2431	>	}}
2432
2433	<	public void testAcceptEither_normalCompletion2() {
2433	>	/**
2434	>	* acceptEither result completes normally after normal completion
2435	>	* of either source
2436	>	*/
2437	>	public void testAcceptEither_normalCompletion() {
2438		for (ExecutionMode m : ExecutionMode.values())
2439		for (Integer v1 : new Integer[] { 1, null })
2440	<	for (Integer v2 : new Integer[] { 2, null }) {
2441	<
2440	>	for (Integer v2 : new Integer[] { 2, null })
2441	>	{
2442		final CompletableFuture<Integer> f = new CompletableFuture<>();
2443		final CompletableFuture<Integer> g = new CompletableFuture<>();
2444	<	final IncAction r = new IncAction();
2445	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2444	>	final NoopConsumer[] rs = new NoopConsumer[6];
2445	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2446
2447	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2448	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2449	+	checkIncomplete(h0);
2450	+	checkIncomplete(h1);
2451	+	rs[0].assertNotInvoked();
2452	+	rs[1].assertNotInvoked();
2453	+	f.complete(v1);
2454	+	checkCompletedNormally(h0, null);
2455	+	checkCompletedNormally(h1, null);
2456	+	rs[0].assertValue(v1);
2457	+	rs[1].assertValue(v1);
2458	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2459	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2460	+	checkCompletedNormally(h2, null);
2461	+	checkCompletedNormally(h3, null);
2462	+	rs[2].assertValue(v1);
2463	+	rs[3].assertValue(v1);
2464		g.complete(v2);
2195	–	checkCompletedNormally(h, null);
2196	–	assertEquals(r.value, inc(v2));
2197	–	f.complete(v1);
2465
2466	<	checkCompletedNormally(f, v1);
2467	<	checkCompletedNormally(g, v2);
2468	<	checkCompletedNormally(h, null);
2469	<	}
2470	<	}
2471	<	public void testAcceptEither_normalCompletion3() {
2472	<	for (ExecutionMode m : ExecutionMode.values())
2473	<	for (Integer v1 : new Integer[] { 1, null })
2474	<	for (Integer v2 : new Integer[] { 2, null }) {
2466	>	// unspecified behavior - both source completions available
2467	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2468	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2469	>	checkCompletedNormally(h4, null);
2470	>	checkCompletedNormally(h5, null);
2471	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2472	>	Objects.equals(v2, rs[4].value));
2473	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2474	>	Objects.equals(v2, rs[5].value));
2475
2209	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2210	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2211	–	final IncAction r = new IncAction();
2212	–
2213	–	f.complete(v1);
2214	–	g.complete(v2);
2215	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2216	–
2217	–	checkCompletedNormally(h, null);
2476		checkCompletedNormally(f, v1);
2477		checkCompletedNormally(g, v2);
2478	<
2479	<	// unspecified behavior
2480	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2481	<	Objects.equals(r.value, inc(v2)));
2482	<	}
2483	<	}
2478	>	checkCompletedNormally(h0, null);
2479	>	checkCompletedNormally(h1, null);
2480	>	checkCompletedNormally(h2, null);
2481	>	checkCompletedNormally(h3, null);
2482	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2483	>	}}
2484
2485		/**
2486		* acceptEither result completes exceptionally after exceptional
2487		* completion of either source
2488		*/
2489	<	public void testAcceptEither_exceptionalCompletion1() {
2489	>	public void testAcceptEither_exceptionalCompletion() {
2490		for (ExecutionMode m : ExecutionMode.values())
2491	<	for (Integer v1 : new Integer[] { 1, null }) {
2492	<
2491	>	for (Integer v1 : new Integer[] { 1, null })
2492	>	{
2493		final CompletableFuture<Integer> f = new CompletableFuture<>();
2494		final CompletableFuture<Integer> g = new CompletableFuture<>();
2237	–	final IncAction r = new IncAction();
2238	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2495		final CFException ex = new CFException();
2496	+	final NoopConsumer[] rs = new NoopConsumer[6];
2497	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2498
2499	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2500	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2501	+	checkIncomplete(h0);
2502	+	checkIncomplete(h1);
2503	+	rs[0].assertNotInvoked();
2504	+	rs[1].assertNotInvoked();
2505		f.completeExceptionally(ex);
2506	<	checkCompletedWithWrappedCFException(h, ex);
2507	<	g.complete(v1);
2506	>	checkCompletedWithWrappedException(h0, ex);
2507	>	checkCompletedWithWrappedException(h1, ex);
2508	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2509	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2510	>	checkCompletedWithWrappedException(h2, ex);
2511	>	checkCompletedWithWrappedException(h3, ex);
2512
2513	<	assertEquals(r.invocationCount, 0);
2246	<	checkCompletedNormally(g, v1);
2247	<	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 }) {
2255	<
2256	<	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);
2513	>	g.complete(v1);
2514
2515	<	assertEquals(r.invocationCount, 0);
2516	<	checkCompletedNormally(f, v1);
2517	<	checkCompletedWithWrappedCFException(g, ex);
2518	<	checkCompletedWithWrappedCFException(h, ex);
2515	>	// unspecified behavior - both source completions available
2516	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2517	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2518	>	try {
2519	>	assertNull(h4.join());
2520	>	rs[4].assertValue(v1);
2521	>	} catch (CompletionException ok) {
2522	>	checkCompletedWithWrappedException(h4, ex);
2523	>	rs[4].assertNotInvoked();
2524		}
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;
2525		try {
2526	<	assertEquals(h.join(), null);
2527	<	assertEquals(r.invocationCount, 1);
2291	<	assertEquals(inc(v1), r.value);
2526	>	assertNull(h5.join());
2527	>	rs[5].assertValue(v1);
2528		} catch (CompletionException ok) {
2529	<	checkCompletedWithWrappedCFException(h, ex);
2530	<	assertEquals(r.invocationCount, 0);
2529	>	checkCompletedWithWrappedException(h5, ex);
2530	>	rs[5].assertNotInvoked();
2531		}
2532
2533	<	checkCompletedWithWrappedCFException(g, ex);
2534	<	checkCompletedNormally(f, v1);
2535	<	}
2536	<	}
2533	>	checkCompletedExceptionally(f, ex);
2534	>	checkCompletedNormally(g, v1);
2535	>	checkCompletedWithWrappedException(h0, ex);
2536	>	checkCompletedWithWrappedException(h1, ex);
2537	>	checkCompletedWithWrappedException(h2, ex);
2538	>	checkCompletedWithWrappedException(h3, ex);
2539	>	checkCompletedWithWrappedException(h4, ex);
2540	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2541	>	}}
2542
2543	<	public void testAcceptEither_exceptionalCompletion4() {
2543	>	public void testAcceptEither_exceptionalCompletion2() {
2544		for (ExecutionMode m : ExecutionMode.values())
2545	<	for (Integer v1 : new Integer[] { 1, null }) {
2546	<
2545	>	for (boolean fFirst : new boolean[] { true, false })
2546	>	for (Integer v1 : new Integer[] { 1, null })
2547	>	{
2548		final CompletableFuture<Integer> f = new CompletableFuture<>();
2549		final CompletableFuture<Integer> g = new CompletableFuture<>();
2308	–	final IncAction r = new IncAction();
2550		final CFException ex = new CFException();
2551	+	final NoopConsumer[] rs = new NoopConsumer[6];
2552	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2553
2554	<	f.completeExceptionally(ex);
2555	<	g.complete(v1);
2556	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2554	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2555	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2556	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2557	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2558	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2559	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2560
2561	<	// unspecified behavior
2316	<	Integer v;
2561	>	// unspecified behavior - both source completions available
2562		try {
2563	<	assertEquals(h.join(), null);
2564	<	assertEquals(r.invocationCount, 1);
2320	<	assertEquals(inc(v1), r.value);
2563	>	assertNull(h0.join());
2564	>	rs[0].assertValue(v1);
2565		} catch (CompletionException ok) {
2566	<	checkCompletedWithWrappedCFException(h, ex);
2567	<	assertEquals(r.invocationCount, 0);
2566	>	checkCompletedWithWrappedException(h0, ex);
2567	>	rs[0].assertNotInvoked();
2568		}
2569	<
2570	<	checkCompletedWithWrappedCFException(f, ex);
2571	<	checkCompletedNormally(g, v1);
2569	>	try {
2570	>	assertNull(h1.join());
2571	>	rs[1].assertValue(v1);
2572	>	} catch (CompletionException ok) {
2573	>	checkCompletedWithWrappedException(h1, ex);
2574	>	rs[1].assertNotInvoked();
2575		}
2576	<	}
2577	<
2578	<	/**
2579	<	* acceptEither result completes exceptionally if action does
2580	<	*/
2581	<	public void testAcceptEither_actionFailed1() {
2582	<	for (ExecutionMode m : ExecutionMode.values())
2583	<	for (Integer v1 : new Integer[] { 1, null })
2584	<	for (Integer v2 : new Integer[] { 2, null }) {
2585	<
2586	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2587	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2588	<	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);
2576	>	try {
2577	>	assertNull(h2.join());
2578	>	rs[2].assertValue(v1);
2579	>	} catch (CompletionException ok) {
2580	>	checkCompletedWithWrappedException(h2, ex);
2581	>	rs[2].assertNotInvoked();
2582	>	}
2583	>	try {
2584	>	assertNull(h3.join());
2585	>	rs[3].assertValue(v1);
2586	>	} catch (CompletionException ok) {
2587	>	checkCompletedWithWrappedException(h3, ex);
2588	>	rs[3].assertNotInvoked();
2589		}
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);
2590
2362	–	g.complete(v2);
2363	–	checkCompletedWithWrappedCFException(h);
2364	–	f.complete(v1);
2591		checkCompletedNormally(f, v1);
2592	<	checkCompletedNormally(g, v2);
2593	<	}
2368	<	}
2592	>	checkCompletedExceptionally(g, ex);
2593	>	}}
2594
2595		/**
2596		* acceptEither result completes exceptionally if either source cancelled
2597		*/
2598	<	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() {
2598	>	public void testAcceptEither_sourceCancelled() {
2599		for (ExecutionMode m : ExecutionMode.values())
2600		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2601	<	for (Integer v1 : new Integer[] { 1, null }) {
2602	<
2601	>	for (Integer v1 : new Integer[] { 1, null })
2602	>	{
2603		final CompletableFuture<Integer> f = new CompletableFuture<>();
2604		final CompletableFuture<Integer> g = new CompletableFuture<>();
2605	<	final IncAction r = new IncAction();
2606	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2403	<
2404	<	assertTrue(g.cancel(mayInterruptIfRunning));
2405	<	checkCompletedWithWrappedCancellationException(h);
2406	<	f.complete(v1);
2605	>	final NoopConsumer[] rs = new NoopConsumer[6];
2606	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2607
2608	<	checkCancelled(g);
2609	<	assertEquals(r.invocationCount, 0);
2610	<	checkCompletedNormally(f, v1);
2611	<	checkCompletedWithWrappedCancellationException(h);
2612	<	}
2613	<	}
2614	<
2615	<	public void testAcceptEither_sourceCancelled3() {
2616	<	for (ExecutionMode m : ExecutionMode.values())
2617	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2618	<	for (Integer v1 : new Integer[] { 1, null }) {
2619	<
2620	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2421	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2422	<	final IncAction r = new IncAction();
2608	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2609	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2610	>	checkIncomplete(h0);
2611	>	checkIncomplete(h1);
2612	>	rs[0].assertNotInvoked();
2613	>	rs[1].assertNotInvoked();
2614	>	f.cancel(mayInterruptIfRunning);
2615	>	checkCompletedWithWrappedCancellationException(h0);
2616	>	checkCompletedWithWrappedCancellationException(h1);
2617	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2618	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2619	>	checkCompletedWithWrappedCancellationException(h2);
2620	>	checkCompletedWithWrappedCancellationException(h3);
2621
2622	<	assertTrue(g.cancel(mayInterruptIfRunning));
2425	<	f.complete(v1);
2426	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2622	>	g.complete(v1);
2623
2624	<	// unspecified behavior
2625	<	Integer v;
2624	>	// unspecified behavior - both source completions available
2625	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2626	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2627		try {
2628	<	assertEquals(h.join(), null);
2629	<	assertEquals(r.invocationCount, 1);
2433	<	assertEquals(inc(v1), r.value);
2628	>	assertNull(h4.join());
2629	>	rs[4].assertValue(v1);
2630		} catch (CompletionException ok) {
2631	<	checkCompletedWithWrappedCancellationException(h);
2632	<	assertEquals(r.invocationCount, 0);
2631	>	checkCompletedWithWrappedCancellationException(h4);
2632	>	rs[4].assertNotInvoked();
2633		}
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;
2634		try {
2635	<	assertEquals(h.join(), null);
2636	<	assertEquals(r.invocationCount, 1);
2462	<	assertEquals(inc(v1), r.value);
2635	>	assertNull(h5.join());
2636	>	rs[5].assertValue(v1);
2637		} catch (CompletionException ok) {
2638	<	checkCompletedWithWrappedCancellationException(h);
2639	<	assertEquals(r.invocationCount, 0);
2638	>	checkCompletedWithWrappedCancellationException(h5);
2639	>	rs[5].assertNotInvoked();
2640		}
2641
2642		checkCancelled(f);
2643		checkCompletedNormally(g, v1);
2644	<	}
2645	<	}
2644	>	checkCompletedWithWrappedCancellationException(h0);
2645	>	checkCompletedWithWrappedCancellationException(h1);
2646	>	checkCompletedWithWrappedCancellationException(h2);
2647	>	checkCompletedWithWrappedCancellationException(h3);
2648	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2649	>	}}
2650
2651		/**
2652	<	* runAfterEither result completes normally after normal completion
2475	<	* of either source
2652	>	* acceptEither result completes exceptionally if action does
2653		*/
2654	<	public void testRunAfterEither_normalCompletion1() {
2654	>	public void testAcceptEither_actionFailed() {
2655		for (ExecutionMode m : ExecutionMode.values())
2656		for (Integer v1 : new Integer[] { 1, null })
2657	<	for (Integer v2 : new Integer[] { 2, null }) {
2658	<
2657	>	for (Integer v2 : new Integer[] { 2, null })
2658	>	{
2659		final CompletableFuture<Integer> f = new CompletableFuture<>();
2660		final CompletableFuture<Integer> g = new CompletableFuture<>();
2661	<	final Noop r = new Noop();
2662	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2661	>	final FailingConsumer[] rs = new FailingConsumer[6];
2662	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2663	>
2664	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2665	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2666	>	f.complete(v1);
2667	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2668	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2669	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2670	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2671	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2672	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2673	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2674
2487	–	f.complete(v1);
2488	–	checkCompletedNormally(h, null);
2489	–	assertEquals(r.invocationCount, 1);
2675		g.complete(v2);
2676
2677	+	// unspecified behavior - both source completions available
2678	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2679	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2680	+
2681	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2682	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2683	+	Objects.equals(v2, rs[4].value));
2684	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2685	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2686	+	Objects.equals(v2, rs[5].value));
2687	+
2688		checkCompletedNormally(f, v1);
2689		checkCompletedNormally(g, v2);
2690	<	checkCompletedNormally(h, null);
2495	<	assertEquals(r.invocationCount, 1);
2496	<	}
2497	<	}
2690	>	}}
2691
2692	<	public void testRunAfterEither_normalCompletion2() {
2692	>	/**
2693	>	* runAfterEither result completes normally after normal completion
2694	>	* of either source
2695	>	*/
2696	>	public void testRunAfterEither_normalCompletion() {
2697		for (ExecutionMode m : ExecutionMode.values())
2698		for (Integer v1 : new Integer[] { 1, null })
2699	<	for (Integer v2 : new Integer[] { 2, null }) {
2700	<
2701	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2702	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2703	<	final Noop r = new Noop();
2704	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2699	>	for (Integer v2 : new Integer[] { 2, null })
2700	>	for (boolean pushNop : new boolean[] { true, false })
2701	>	{
2702	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2703	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2704	>	final Noop[] rs = new Noop[6];
2705	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2706	>
2707	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2708	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2709	>	checkIncomplete(h0);
2710	>	checkIncomplete(h1);
2711	>	rs[0].assertNotInvoked();
2712	>	rs[1].assertNotInvoked();
2713	>	if (pushNop) {          // ad hoc test of intra-completion interference
2714	>	m.thenRun(f, () -> {});
2715	>	m.thenRun(g, () -> {});
2716	>	}
2717	>	f.complete(v1);
2718	>	checkCompletedNormally(h0, null);
2719	>	checkCompletedNormally(h1, null);
2720	>	rs[0].assertInvoked();
2721	>	rs[1].assertInvoked();
2722	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2723	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2724	>	checkCompletedNormally(h2, null);
2725	>	checkCompletedNormally(h3, null);
2726	>	rs[2].assertInvoked();
2727	>	rs[3].assertInvoked();
2728
2729		g.complete(v2);
2510	–	checkCompletedNormally(h, null);
2511	–	assertEquals(r.invocationCount, 1);
2512	–	f.complete(v1);
2730
2731	<	checkCompletedNormally(f, v1);
2732	<	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 }) {
2731	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2732	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2733
2525	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2526	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2527	–	final Noop r = new Noop();
2528	–
2529	–	f.complete(v1);
2530	–	g.complete(v2);
2531	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2532	–
2533	–	checkCompletedNormally(h, null);
2734		checkCompletedNormally(f, v1);
2735		checkCompletedNormally(g, v2);
2736	<	assertEquals(r.invocationCount, 1);
2737	<	}
2738	<	}
2736	>	checkCompletedNormally(h0, null);
2737	>	checkCompletedNormally(h1, null);
2738	>	checkCompletedNormally(h2, null);
2739	>	checkCompletedNormally(h3, null);
2740	>	checkCompletedNormally(h4, null);
2741	>	checkCompletedNormally(h5, null);
2742	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2743	>	}}
2744
2745		/**
2746		* runAfterEither result completes exceptionally after exceptional
2747		* completion of either source
2748		*/
2749	<	public void testRunAfterEither_exceptionalCompletion1() {
2749	>	public void testRunAfterEither_exceptionalCompletion() {
2750		for (ExecutionMode m : ExecutionMode.values())
2751	<	for (Integer v1 : new Integer[] { 1, null }) {
2752	<
2751	>	for (Integer v1 : new Integer[] { 1, null })
2752	>	{
2753		final CompletableFuture<Integer> f = new CompletableFuture<>();
2754		final CompletableFuture<Integer> g = new CompletableFuture<>();
2550	–	final Noop r = new Noop();
2551	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2755		final CFException ex = new CFException();
2756	+	final Noop[] rs = new Noop[6];
2757	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2758
2759	<	f.completeExceptionally(ex);
2760	<	checkCompletedWithWrappedCFException(h, ex);
2761	<	g.complete(v1);
2759	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2760	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2761	>	checkIncomplete(h0);
2762	>	checkIncomplete(h1);
2763	>	rs[0].assertNotInvoked();
2764	>	rs[1].assertNotInvoked();
2765	>	assertTrue(f.completeExceptionally(ex));
2766	>	checkCompletedWithWrappedException(h0, ex);
2767	>	checkCompletedWithWrappedException(h1, ex);
2768	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2769	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2770	>	checkCompletedWithWrappedException(h2, ex);
2771	>	checkCompletedWithWrappedException(h3, ex);
2772	>
2773	>	assertTrue(g.complete(v1));
2774	>
2775	>	// unspecified behavior - both source completions available
2776	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2777	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2778	>	try {
2779	>	assertNull(h4.join());
2780	>	rs[4].assertInvoked();
2781	>	} catch (CompletionException ok) {
2782	>	checkCompletedWithWrappedException(h4, ex);
2783	>	rs[4].assertNotInvoked();
2784	>	}
2785	>	try {
2786	>	assertNull(h5.join());
2787	>	rs[5].assertInvoked();
2788	>	} catch (CompletionException ok) {
2789	>	checkCompletedWithWrappedException(h5, ex);
2790	>	rs[5].assertNotInvoked();
2791	>	}
2792
2793	<	assertEquals(r.invocationCount, 0);
2793	>	checkCompletedExceptionally(f, ex);
2794		checkCompletedNormally(g, v1);
2795	<	checkCompletedWithWrappedCFException(f, ex);
2796	<	checkCompletedWithWrappedCFException(h, ex);
2797	<	}
2798	<	}
2795	>	checkCompletedWithWrappedException(h0, ex);
2796	>	checkCompletedWithWrappedException(h1, ex);
2797	>	checkCompletedWithWrappedException(h2, ex);
2798	>	checkCompletedWithWrappedException(h3, ex);
2799	>	checkCompletedWithWrappedException(h4, ex);
2800	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2801	>	}}
2802
2803		public void testRunAfterEither_exceptionalCompletion2() {
2804		for (ExecutionMode m : ExecutionMode.values())
2805	<	for (Integer v1 : new Integer[] { 1, null }) {
2806	<
2807	<	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	<
2805	>	for (boolean fFirst : new boolean[] { true, false })
2806	>	for (Integer v1 : new Integer[] { 1, null })
2807	>	{
2808		final CompletableFuture<Integer> f = new CompletableFuture<>();
2809		final CompletableFuture<Integer> g = new CompletableFuture<>();
2592	–	final Noop r = new Noop();
2810		final CFException ex = new CFException();
2811	+	final Noop[] rs = new Noop[6];
2812	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2813
2814	<	g.completeExceptionally(ex);
2815	<	f.complete(v1);
2816	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2814	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2815	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2816	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2817	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2818	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2819	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2820
2821	<	// unspecified behavior
2600	<	Integer v;
2821	>	// unspecified behavior - both source completions available
2822		try {
2823	<	assertEquals(h.join(), null);
2824	<	assertEquals(r.invocationCount, 1);
2823	>	assertNull(h0.join());
2824	>	rs[0].assertInvoked();
2825		} catch (CompletionException ok) {
2826	<	checkCompletedWithWrappedCFException(h, ex);
2827	<	assertEquals(r.invocationCount, 0);
2826	>	checkCompletedWithWrappedException(h0, ex);
2827	>	rs[0].assertNotInvoked();
2828		}
2829	<
2830	<	checkCompletedWithWrappedCFException(g, ex);
2831	<	checkCompletedNormally(f, v1);
2829	>	try {
2830	>	assertNull(h1.join());
2831	>	rs[1].assertInvoked();
2832	>	} catch (CompletionException ok) {
2833	>	checkCompletedWithWrappedException(h1, ex);
2834	>	rs[1].assertNotInvoked();
2835		}
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;
2836		try {
2837	<	assertEquals(h.join(), null);
2838	<	assertEquals(r.invocationCount, 1);
2837	>	assertNull(h2.join());
2838	>	rs[2].assertInvoked();
2839		} catch (CompletionException ok) {
2840	<	checkCompletedWithWrappedCFException(h, ex);
2841	<	assertEquals(r.invocationCount, 0);
2840	>	checkCompletedWithWrappedException(h2, ex);
2841	>	rs[2].assertNotInvoked();
2842		}
2843	<
2844	<	checkCompletedWithWrappedCFException(f, ex);
2845	<	checkCompletedNormally(g, v1);
2843	>	try {
2844	>	assertNull(h3.join());
2845	>	rs[3].assertInvoked();
2846	>	} catch (CompletionException ok) {
2847	>	checkCompletedWithWrappedException(h3, ex);
2848	>	rs[3].assertNotInvoked();
2849		}
2640	–	}
2850
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);
2851		checkCompletedNormally(f, v1);
2852	<	checkCompletedNormally(g, v2);
2853	<	}
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	<	}
2852	>	checkCompletedExceptionally(g, ex);
2853	>	}}
2854
2855		/**
2856		* runAfterEither result completes exceptionally if either source cancelled
2857		*/
2858	<	public void testRunAfterEither_sourceCancelled1() {
2858	>	public void testRunAfterEither_sourceCancelled() {
2859		for (ExecutionMode m : ExecutionMode.values())
2860		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2861	<	for (Integer v1 : new Integer[] { 1, null }) {
2862	<
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	<
2861	>	for (Integer v1 : new Integer[] { 1, null })
2862	>	{
2863		final CompletableFuture<Integer> f = new CompletableFuture<>();
2864		final CompletableFuture<Integer> g = new CompletableFuture<>();
2865	<	final Noop r = new Noop();
2866	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2714	<
2715	<	assertTrue(g.cancel(mayInterruptIfRunning));
2716	<	checkCompletedWithWrappedCancellationException(h);
2717	<	f.complete(v1);
2865	>	final Noop[] rs = new Noop[6];
2866	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2867
2868	<	checkCancelled(g);
2869	<	assertEquals(r.invocationCount, 0);
2870	<	checkCompletedNormally(f, v1);
2871	<	checkCompletedWithWrappedCancellationException(h);
2868	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2869	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2870	>	checkIncomplete(h0);
2871	>	checkIncomplete(h1);
2872	>	rs[0].assertNotInvoked();
2873	>	rs[1].assertNotInvoked();
2874	>	f.cancel(mayInterruptIfRunning);
2875	>	checkCompletedWithWrappedCancellationException(h0);
2876	>	checkCompletedWithWrappedCancellationException(h1);
2877	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2878	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2879	>	checkCompletedWithWrappedCancellationException(h2);
2880	>	checkCompletedWithWrappedCancellationException(h3);
2881	>
2882	>	assertTrue(g.complete(v1));
2883	>
2884	>	// unspecified behavior - both source completions available
2885	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2886	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2887	>	try {
2888	>	assertNull(h4.join());
2889	>	rs[4].assertInvoked();
2890	>	} catch (CompletionException ok) {
2891	>	checkCompletedWithWrappedCancellationException(h4);
2892	>	rs[4].assertNotInvoked();
2893		}
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;
2894		try {
2895	<	assertEquals(h.join(), null);
2896	<	assertEquals(r.invocationCount, 1);
2895	>	assertNull(h5.join());
2896	>	rs[5].assertInvoked();
2897		} catch (CompletionException ok) {
2898	<	checkCompletedWithWrappedCancellationException(h);
2899	<	assertEquals(r.invocationCount, 0);
2898	>	checkCompletedWithWrappedCancellationException(h5);
2899	>	rs[5].assertNotInvoked();
2900		}
2901
2902	<	checkCancelled(g);
2903	<	checkCompletedNormally(f, v1);
2904	<	}
2905	<	}
2902	>	checkCancelled(f);
2903	>	checkCompletedNormally(g, v1);
2904	>	checkCompletedWithWrappedCancellationException(h0);
2905	>	checkCompletedWithWrappedCancellationException(h1);
2906	>	checkCompletedWithWrappedCancellationException(h2);
2907	>	checkCompletedWithWrappedCancellationException(h3);
2908	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2909	>	}}
2910
2911	<	public void testRunAfterEither_sourceCancelled4() {
2911	>	/**
2912	>	* runAfterEither result completes exceptionally if action does
2913	>	*/
2914	>	public void testRunAfterEither_actionFailed() {
2915		for (ExecutionMode m : ExecutionMode.values())
2916	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2917	<	for (Integer v1 : new Integer[] { 1, null }) {
2918	<
2916	>	for (Integer v1 : new Integer[] { 1, null })
2917	>	for (Integer v2 : new Integer[] { 2, null })
2918	>	{
2919		final CompletableFuture<Integer> f = new CompletableFuture<>();
2920		final CompletableFuture<Integer> g = new CompletableFuture<>();
2921	<	final Noop r = new Noop();
2921	>	final FailingRunnable[] rs = new FailingRunnable[6];
2922	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2923
2924	<	assertTrue(f.cancel(mayInterruptIfRunning));
2925	<	g.complete(v1);
2926	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2924	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2925	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2926	>	assertTrue(f.complete(v1));
2927	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2928	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2929	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2930	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2931	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2932	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2933	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2934	>	assertTrue(g.complete(v2));
2935	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2936	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2937	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2938	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2939
2940	<	// unspecified behavior
2941	<	Integer v;
2942	<	try {
2943	<	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	<	}
2940	>	checkCompletedNormally(f, v1);
2941	>	checkCompletedNormally(g, v2);
2942	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2943	>	}}
2944
2945		/**
2946		* thenCompose result completes normally after normal completion of source
2947		*/
2948	<	public void testThenCompose() {
2949	<	CompletableFuture<Integer> f, g;
2950	<	CompletableFutureInc r;
2951	<
2952	<	f = new CompletableFuture<>();
2953	<	g = f.thenCompose(r = new CompletableFutureInc());
2954	<	f.complete(one);
2955	<	checkCompletedNormally(g, two);
2956	<	assertTrue(r.ran);
2948	>	public void testThenCompose_normalCompletion() {
2949	>	for (ExecutionMode m : ExecutionMode.values())
2950	>	for (boolean createIncomplete : new boolean[] { true, false })
2951	>	for (Integer v1 : new Integer[] { 1, null })
2952	>	{
2953	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2954	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2955	>	if (!createIncomplete) assertTrue(f.complete(v1));
2956	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2957	>	if (createIncomplete) assertTrue(f.complete(v1));
2958
2959	<	f = new CompletableFuture<>();
2960	<	f.complete(one);
2961	<	g = f.thenCompose(r = new CompletableFutureInc());
2962	<	checkCompletedNormally(g, two);
2799	<	assertTrue(r.ran);
2800	<	}
2959	>	checkCompletedNormally(g, inc(v1));
2960	>	checkCompletedNormally(f, v1);
2961	>	r.assertValue(v1);
2962	>	}}
2963
2964		/**
2965		* thenCompose result completes exceptionally after exceptional
2966		* completion of source
2967		*/
2968	<	public void testThenCompose2() {
2969	<	CompletableFuture<Integer> f, g;
2970	<	CompletableFutureInc r;
2971	<
2972	<	f = new CompletableFuture<>();
2973	<	g = f.thenCompose(r = new CompletableFutureInc());
2974	<	f.completeExceptionally(new CFException());
2975	<	checkCompletedWithWrappedCFException(g);
2976	<
2977	<	f = new CompletableFuture<>();
2978	<	f.completeExceptionally(new CFException());
2979	<	g = f.thenCompose(r = new CompletableFutureInc());
2980	<	checkCompletedWithWrappedCFException(g);
2981	<	}
2968	>	public void testThenCompose_exceptionalCompletion() {
2969	>	for (ExecutionMode m : ExecutionMode.values())
2970	>	for (boolean createIncomplete : new boolean[] { true, false })
2971	>	{
2972	>	final CFException ex = new CFException();
2973	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2974	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2975	>	if (!createIncomplete) f.completeExceptionally(ex);
2976	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2977	>	if (createIncomplete) f.completeExceptionally(ex);
2978	>
2979	>	checkCompletedWithWrappedException(g, ex);
2980	>	checkCompletedExceptionally(f, ex);
2981	>	r.assertNotInvoked();
2982	>	}}
2983
2984		/**
2985		* thenCompose result completes exceptionally if action does
2986		*/
2987	<	public void testThenCompose3() {
2988	<	CompletableFuture<Integer> f, g;
2989	<	FailingCompletableFutureFunction r;
2990	<
2991	<	f = new CompletableFuture<>();
2992	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2993	<	f.complete(one);
2994	<	checkCompletedWithWrappedCFException(g);
2987	>	public void testThenCompose_actionFailed() {
2988	>	for (ExecutionMode m : ExecutionMode.values())
2989	>	for (boolean createIncomplete : new boolean[] { true, false })
2990	>	for (Integer v1 : new Integer[] { 1, null })
2991	>	{
2992	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2993	>	final FailingCompletableFutureFunction r
2994	>	= new FailingCompletableFutureFunction(m);
2995	>	if (!createIncomplete) assertTrue(f.complete(v1));
2996	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2997	>	if (createIncomplete) assertTrue(f.complete(v1));
2998
2999	<	f = new CompletableFuture<>();
3000	<	f.complete(one);
3001	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2836	<	checkCompletedWithWrappedCFException(g);
2837	<	}
2999	>	checkCompletedWithWrappedException(g, r.ex);
3000	>	checkCompletedNormally(f, v1);
3001	>	}}
3002
3003		/**
3004		* thenCompose result completes exceptionally if source cancelled
3005		*/
3006	<	public void testThenCompose4() {
3007	<	CompletableFuture<Integer> f, g;
3008	<	CompletableFutureInc r;
3009	<
3010	<	f = new CompletableFuture<>();
3011	<	g = f.thenCompose(r = new CompletableFutureInc());
3012	<	assertTrue(f.cancel(true));
3013	<	checkCompletedWithWrappedCancellationException(g);
3014	<
3015	<	f = new CompletableFuture<>();
3016	<	assertTrue(f.cancel(true));
3017	<	g = f.thenCompose(r = new CompletableFutureInc());
3018	<	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	<	}
3006	>	public void testThenCompose_sourceCancelled() {
3007	>	for (ExecutionMode m : ExecutionMode.values())
3008	>	for (boolean createIncomplete : new boolean[] { true, false })
3009	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3010	>	{
3011	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3012	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3013	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3014	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3015	>	if (createIncomplete) {
3016	>	checkIncomplete(g);
3017	>	assertTrue(f.cancel(mayInterruptIfRunning));
3018	>	}
3019
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));
3020		checkCompletedWithWrappedCancellationException(g);
3021	<	}
3022	<
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	<	}
3021	>	checkCancelled(f);
3022	>	}}
3023
3024		/**
3025	<	* thenComposeAsync result completes exceptionally if action does
3025	>	* thenCompose result completes exceptionally if the result of the action does
3026		*/
3027	<	public void testThenComposeAsync3E() {
3028	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3029	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3030	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3031	<	f.complete(one);
3032	<	checkCompletedWithWrappedCFException(g);
3033	<	}
3027	>	public void testThenCompose_actionReturnsFailingFuture() {
3028	>	for (ExecutionMode m : ExecutionMode.values())
3029	>	for (int order = 0; order < 6; order++)
3030	>	for (Integer v1 : new Integer[] { 1, null })
3031	>	{
3032	>	final CFException ex = new CFException();
3033	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3034	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3035	>	final CompletableFuture<Integer> h;
3036	>	// Test all permutations of orders
3037	>	switch (order) {
3038	>	case 0:
3039	>	assertTrue(f.complete(v1));
3040	>	assertTrue(g.completeExceptionally(ex));
3041	>	h = m.thenCompose(f, (x -> g));
3042	>	break;
3043	>	case 1:
3044	>	assertTrue(f.complete(v1));
3045	>	h = m.thenCompose(f, (x -> g));
3046	>	assertTrue(g.completeExceptionally(ex));
3047	>	break;
3048	>	case 2:
3049	>	assertTrue(g.completeExceptionally(ex));
3050	>	assertTrue(f.complete(v1));
3051	>	h = m.thenCompose(f, (x -> g));
3052	>	break;
3053	>	case 3:
3054	>	assertTrue(g.completeExceptionally(ex));
3055	>	h = m.thenCompose(f, (x -> g));
3056	>	assertTrue(f.complete(v1));
3057	>	break;
3058	>	case 4:
3059	>	h = m.thenCompose(f, (x -> g));
3060	>	assertTrue(f.complete(v1));
3061	>	assertTrue(g.completeExceptionally(ex));
3062	>	break;
3063	>	case 5:
3064	>	h = m.thenCompose(f, (x -> g));
3065	>	assertTrue(f.complete(v1));
3066	>	assertTrue(g.completeExceptionally(ex));
3067	>	break;
3068	>	default: throw new AssertionError();
3069	>	}
3070
3071	<	/**
3072	<	* thenComposeAsync result completes exceptionally if source cancelled
3073	<	*/
3074	<	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	<	}
3071	>	checkCompletedExceptionally(g, ex);
3072	>	checkCompletedWithWrappedException(h, ex);
3073	>	checkCompletedNormally(f, v1);
3074	>	}}
3075
3076		// other static methods
3077
#	Line 3286 | Line 3089 | public class CompletableFutureTest exten
3089		* when all components complete normally
3090		*/
3091		public void testAllOf_normal() throws Exception {
3092	<	for (int k = 1; k < 20; ++k) {
3093	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3094	<	for (int i = 0; i < k; ++i)
3092	>	for (int k = 1; k < 10; k++) {
3093	>	CompletableFuture<Integer>[] fs
3094	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3095	>	for (int i = 0; i < k; i++)
3096		fs[i] = new CompletableFuture<>();
3097		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3098	<	for (int i = 0; i < k; ++i) {
3098	>	for (int i = 0; i < k; i++) {
3099		checkIncomplete(f);
3100		checkIncomplete(CompletableFuture.allOf(fs));
3101		fs[i].complete(one);
#	Line 3301 | Line 3105 | public class CompletableFutureTest exten
3105		}
3106		}
3107
3108	+	public void testAllOf_normal_backwards() throws Exception {
3109	+	for (int k = 1; k < 10; k++) {
3110	+	CompletableFuture<Integer>[] fs
3111	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3112	+	for (int i = 0; i < k; i++)
3113	+	fs[i] = new CompletableFuture<>();
3114	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3115	+	for (int i = k - 1; i >= 0; i--) {
3116	+	checkIncomplete(f);
3117	+	checkIncomplete(CompletableFuture.allOf(fs));
3118	+	fs[i].complete(one);
3119	+	}
3120	+	checkCompletedNormally(f, null);
3121	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3122	+	}
3123	+	}
3124	+
3125	+	public void testAllOf_exceptional() throws Exception {
3126	+	for (int k = 1; k < 10; k++) {
3127	+	CompletableFuture<Integer>[] fs
3128	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3129	+	CFException ex = new CFException();
3130	+	for (int i = 0; i < k; i++)
3131	+	fs[i] = new CompletableFuture<>();
3132	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3133	+	for (int i = 0; i < k; i++) {
3134	+	checkIncomplete(f);
3135	+	checkIncomplete(CompletableFuture.allOf(fs));
3136	+	if (i != k / 2) {
3137	+	fs[i].complete(i);
3138	+	checkCompletedNormally(fs[i], i);
3139	+	} else {
3140	+	fs[i].completeExceptionally(ex);
3141	+	checkCompletedExceptionally(fs[i], ex);
3142	+	}
3143	+	}
3144	+	checkCompletedWithWrappedException(f, ex);
3145	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3146	+	}
3147	+	}
3148	+
3149		/**
3150		* anyOf(no component futures) returns an incomplete future
3151		*/
3152		public void testAnyOf_empty() throws Exception {
3153	+	for (Integer v1 : new Integer[] { 1, null })
3154	+	{
3155		CompletableFuture<Object> f = CompletableFuture.anyOf();
3156		checkIncomplete(f);
3157	<	}
3157	>
3158	>	f.complete(v1);
3159	>	checkCompletedNormally(f, v1);
3160	>	}}
3161
3162		/**
3163		* anyOf returns a future completed normally with a value when
3164		* a component future does
3165		*/
3166		public void testAnyOf_normal() throws Exception {
3167	<	for (int k = 0; k < 10; ++k) {
3167	>	for (int k = 0; k < 10; k++) {
3168		CompletableFuture[] fs = new CompletableFuture[k];
3169	<	for (int i = 0; i < k; ++i)
3169	>	for (int i = 0; i < k; i++)
3170		fs[i] = new CompletableFuture<>();
3171		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3172		checkIncomplete(f);
3173	<	for (int i = 0; i < k; ++i) {
3174	<	fs[i].complete(one);
3175	<	checkCompletedNormally(f, one);
3176	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3173	>	for (int i = 0; i < k; i++) {
3174	>	fs[i].complete(i);
3175	>	checkCompletedNormally(f, 0);
3176	>	int x = (int) CompletableFuture.anyOf(fs).join();
3177	>	assertTrue(0 <= x && x <= i);
3178	>	}
3179	>	}
3180	>	}
3181	>	public void testAnyOf_normal_backwards() throws Exception {
3182	>	for (int k = 0; k < 10; k++) {
3183	>	CompletableFuture[] fs = new CompletableFuture[k];
3184	>	for (int i = 0; i < k; i++)
3185	>	fs[i] = new CompletableFuture<>();
3186	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3187	>	checkIncomplete(f);
3188	>	for (int i = k - 1; i >= 0; i--) {
3189	>	fs[i].complete(i);
3190	>	checkCompletedNormally(f, k - 1);
3191	>	int x = (int) CompletableFuture.anyOf(fs).join();
3192	>	assertTrue(i <= x && x <= k - 1);
3193		}
3194		}
3195		}
#	Line 3332 | Line 3198 | public class CompletableFutureTest exten
3198		* anyOf result completes exceptionally when any component does.
3199		*/
3200		public void testAnyOf_exceptional() throws Exception {
3201	<	for (int k = 0; k < 10; ++k) {
3201	>	for (int k = 0; k < 10; k++) {
3202	>	CompletableFuture[] fs = new CompletableFuture[k];
3203	>	CFException[] exs = new CFException[k];
3204	>	for (int i = 0; i < k; i++) {
3205	>	fs[i] = new CompletableFuture<>();
3206	>	exs[i] = new CFException();
3207	>	}
3208	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3209	>	checkIncomplete(f);
3210	>	for (int i = 0; i < k; i++) {
3211	>	fs[i].completeExceptionally(exs[i]);
3212	>	checkCompletedWithWrappedException(f, exs[0]);
3213	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3214	>	}
3215	>	}
3216	>	}
3217	>
3218	>	public void testAnyOf_exceptional_backwards() throws Exception {
3219	>	for (int k = 0; k < 10; k++) {
3220		CompletableFuture[] fs = new CompletableFuture[k];
3221	<	for (int i = 0; i < k; ++i)
3221	>	CFException[] exs = new CFException[k];
3222	>	for (int i = 0; i < k; i++) {
3223		fs[i] = new CompletableFuture<>();
3224	+	exs[i] = new CFException();
3225	+	}
3226		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3227		checkIncomplete(f);
3228	<	for (int i = 0; i < k; ++i) {
3229	<	fs[i].completeExceptionally(new CFException());
3230	<	checkCompletedWithWrappedCFException(f);
3228	>	for (int i = k - 1; i >= 0; i--) {
3229	>	fs[i].completeExceptionally(exs[i]);
3230	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3231		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3232		}
3233		}
#	Line 3349 | Line 3236 | public class CompletableFutureTest exten
3236		/**
3237		* Completion methods throw NullPointerException with null arguments
3238		*/
3239	+	@SuppressWarnings("FutureReturnValueIgnored")
3240		public void testNPE() {
3241		CompletableFuture<Integer> f = new CompletableFuture<>();
3242		CompletableFuture<Integer> g = new CompletableFuture<>();
3243		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3356	–	CompletableFuture<?> h;
3244		ThreadExecutor exec = new ThreadExecutor();
3245
3246		Runnable[] throwingActions = {
3247		() -> CompletableFuture.supplyAsync(null),
3248		() -> CompletableFuture.supplyAsync(null, exec),
3249	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3249	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3250
3251		() -> CompletableFuture.runAsync(null),
3252		() -> CompletableFuture.runAsync(null, exec),
#	Line 3369 | Line 3256 | public class CompletableFutureTest exten
3256
3257		() -> f.thenApply(null),
3258		() -> f.thenApplyAsync(null),
3259	<	() -> f.thenApplyAsync((x) -> x, null),
3259	>	() -> f.thenApplyAsync(x -> x, null),
3260		() -> f.thenApplyAsync(null, exec),
3261
3262		() -> f.thenAccept(null),
3263		() -> f.thenAcceptAsync(null),
3264	<	() -> f.thenAcceptAsync((x) -> {} , null),
3264	>	() -> f.thenAcceptAsync(x -> {} , null),
3265		() -> f.thenAcceptAsync(null, exec),
3266
3267		() -> f.thenRun(null),
#	Line 3409 | Line 3296 | public class CompletableFutureTest exten
3296		() -> f.applyToEither(g, null),
3297		() -> f.applyToEitherAsync(g, null),
3298		() -> f.applyToEitherAsync(g, null, exec),
3299	<	() -> f.applyToEither(nullFuture, (x) -> x),
3300	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3301	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3302	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3299	>	() -> f.applyToEither(nullFuture, x -> x),
3300	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3301	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3302	>	() -> f.applyToEitherAsync(g, x -> x, null),
3303
3304		() -> f.acceptEither(g, null),
3305		() -> f.acceptEitherAsync(g, null),
3306		() -> f.acceptEitherAsync(g, null, exec),
3307	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3308	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3309	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3310	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3307	>	() -> f.acceptEither(nullFuture, x -> {}),
3308	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3309	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3310	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3311
3312		() -> f.runAfterEither(g, null),
3313		() -> f.runAfterEitherAsync(g, null),
#	Line 3432 | Line 3319 | public class CompletableFutureTest exten
3319
3320		() -> f.thenCompose(null),
3321		() -> f.thenComposeAsync(null),
3322	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3322	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3323		() -> f.thenComposeAsync(null, exec),
3324
3325		() -> f.exceptionally(null),
#	Line 3450 | Line 3337 | public class CompletableFutureTest exten
3337		() -> CompletableFuture.anyOf(null, f),
3338
3339		() -> f.obtrudeException(null),
3340	+
3341	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3342	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3343	+	() -> CompletableFuture.delayedExecutor(1L, null),
3344	+
3345	+	() -> f.orTimeout(1L, null),
3346	+	() -> f.completeOnTimeout(42, 1L, null),
3347	+
3348	+	() -> CompletableFuture.failedFuture(null),
3349	+	() -> CompletableFuture.failedStage(null),
3350		};
3351
3352		assertThrows(NullPointerException.class, throwingActions);
#	Line 3457 | Line 3354 | public class CompletableFutureTest exten
3354		}
3355
3356		/**
3357	+	* Test submissions to an executor that rejects all tasks.
3358	+	*/
3359	+	public void testRejectingExecutor() {
3360	+	for (Integer v : new Integer[] { 1, null })
3361	+	{
3362	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3363	+
3364	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3365	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3366	+
3367	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3368	+
3369	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3370	+	srcs.add(complete);
3371	+	srcs.add(incomplete);
3372	+
3373	+	for (CompletableFuture<Integer> src : srcs) {
3374	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3375	+	fs.add(src.thenRunAsync(() -> {}, e));
3376	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3377	+	fs.add(src.thenApplyAsync(z -> z, e));
3378	+
3379	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3380	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3381	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3382	+
3383	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3384	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3385	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3386	+
3387	+	fs.add(src.thenComposeAsync(z -> null, e));
3388	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3389	+	fs.add(src.handleAsync((z, t) -> null, e));
3390	+
3391	+	for (CompletableFuture<?> future : fs) {
3392	+	if (src.isDone())
3393	+	checkCompletedWithWrappedException(future, e.ex);
3394	+	else
3395	+	checkIncomplete(future);
3396	+	}
3397	+	futures.addAll(fs);
3398	+	}
3399	+
3400	+	{
3401	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3402	+
3403	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3404	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3405	+
3406	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3407	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3408	+
3409	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3410	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3411	+
3412	+	for (CompletableFuture<?> future : fs)
3413	+	checkIncomplete(future);
3414	+	futures.addAll(fs);
3415	+	}
3416	+
3417	+	{
3418	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3419	+
3420	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3421	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3422	+
3423	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3424	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3425	+
3426	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3427	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3428	+
3429	+	for (CompletableFuture<?> future : fs)
3430	+	checkCompletedWithWrappedException(future, e.ex);
3431	+	futures.addAll(fs);
3432	+	}
3433	+
3434	+	incomplete.complete(v);
3435	+
3436	+	for (CompletableFuture<?> future : futures)
3437	+	checkCompletedWithWrappedException(future, e.ex);
3438	+
3439	+	assertEquals(futures.size(), e.count.get());
3440	+	}}
3441	+
3442	+	/**
3443	+	* Test submissions to an executor that rejects all tasks, but
3444	+	* should never be invoked because the dependent future is
3445	+	* explicitly completed.
3446	+	*/
3447	+	public void testRejectingExecutorNeverInvoked() {
3448	+	for (Integer v : new Integer[] { 1, null })
3449	+	{
3450	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3451	+
3452	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3453	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3454	+
3455	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3456	+
3457	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3458	+	srcs.add(complete);
3459	+	srcs.add(incomplete);
3460	+
3461	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3462	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3463	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3464	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3465	+
3466	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3467	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3468	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3469	+
3470	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3471	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3472	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3473	+
3474	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3475	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3476	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3477	+
3478	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3479	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3480	+
3481	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3482	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3483	+
3484	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3485	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3486	+
3487	+	for (CompletableFuture<?> future : fs)
3488	+	checkIncomplete(future);
3489	+
3490	+	for (CompletableFuture<?> future : fs)
3491	+	future.complete(null);
3492	+
3493	+	incomplete.complete(v);
3494	+
3495	+	for (CompletableFuture<?> future : fs)
3496	+	checkCompletedNormally(future, null);
3497	+
3498	+	assertEquals(0, e.count.get());
3499	+	}}
3500	+
3501	+	/**
3502		* toCompletableFuture returns this CompletableFuture.
3503		*/
3504		public void testToCompletableFuture() {
#	Line 3464 | Line 3506 | public class CompletableFutureTest exten
3506		assertSame(f, f.toCompletableFuture());
3507		}
3508
3509	+	// jdk9
3510	+
3511		/**
3512	<	* whenComplete action executes on normal completion, propagating
3469	<	* source result.
3512	>	* newIncompleteFuture returns an incomplete CompletableFuture
3513		*/
3514	<	public void testWhenComplete_normalCompletion1() {
3515	<	for (ExecutionMode m : ExecutionMode.values())
3516	<	for (Integer v1 : new Integer[] { 1, null }) {
3517	<
3518	<	final AtomicInteger a = new AtomicInteger();
3519	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3520	<	final CompletableFuture<Integer> g =
3478	<	m.whenComplete(f,
3479	<	(Integer x, Throwable t) -> {
3480	<	threadAssertSame(x, v1);
3481	<	threadAssertNull(t);
3482	<	a.getAndIncrement();
3483	<	});
3514	>	public void testNewIncompleteFuture() {
3515	>	for (Integer v1 : new Integer[] { 1, null })
3516	>	{
3517	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3518	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3519	>	checkIncomplete(f);
3520	>	checkIncomplete(g);
3521		f.complete(v1);
3522		checkCompletedNormally(f, v1);
3523	+	checkIncomplete(g);
3524	+	g.complete(v1);
3525		checkCompletedNormally(g, v1);
3526	<	assertEquals(a.get(), 1);
3526	>	assertSame(g.getClass(), CompletableFuture.class);
3527	>	}}
3528	>
3529	>	/**
3530	>	* completedStage returns a completed CompletionStage
3531	>	*/
3532	>	public void testCompletedStage() {
3533	>	AtomicInteger x = new AtomicInteger(0);
3534	>	AtomicReference<Throwable> r = new AtomicReference<>();
3535	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3536	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3537	>	assertEquals(x.get(), 1);
3538	>	assertNull(r.get());
3539	>	}
3540	>
3541	>	/**
3542	>	* defaultExecutor by default returns the commonPool if
3543	>	* it supports more than one thread.
3544	>	*/
3545	>	public void testDefaultExecutor() {
3546	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3547	>	Executor e = f.defaultExecutor();
3548	>	Executor c = ForkJoinPool.commonPool();
3549	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3550	>	assertSame(e, c);
3551	>	else
3552	>	assertNotSame(e, c);
3553	>	}
3554	>
3555	>	/**
3556	>	* failedFuture returns a CompletableFuture completed
3557	>	* exceptionally with the given Exception
3558	>	*/
3559	>	public void testFailedFuture() {
3560	>	CFException ex = new CFException();
3561	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3562	>	checkCompletedExceptionally(f, ex);
3563	>	}
3564	>
3565	>	/**
3566	>	* failedFuture(null) throws NPE
3567	>	*/
3568	>	public void testFailedFuture_null() {
3569	>	try {
3570	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3571	>	shouldThrow();
3572	>	} catch (NullPointerException success) {}
3573	>	}
3574	>
3575	>	/**
3576	>	* copy returns a CompletableFuture that is completed normally,
3577	>	* with the same value, when source is.
3578	>	*/
3579	>	public void testCopy_normalCompletion() {
3580	>	for (boolean createIncomplete : new boolean[] { true, false })
3581	>	for (Integer v1 : new Integer[] { 1, null })
3582	>	{
3583	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3584	>	if (!createIncomplete) assertTrue(f.complete(v1));
3585	>	CompletableFuture<Integer> g = f.copy();
3586	>	if (createIncomplete) {
3587	>	checkIncomplete(f);
3588	>	checkIncomplete(g);
3589	>	assertTrue(f.complete(v1));
3590	>	}
3591	>	checkCompletedNormally(f, v1);
3592	>	checkCompletedNormally(g, v1);
3593	>	}}
3594	>
3595	>	/**
3596	>	* copy returns a CompletableFuture that is completed exceptionally
3597	>	* when source is.
3598	>	*/
3599	>	public void testCopy_exceptionalCompletion() {
3600	>	for (boolean createIncomplete : new boolean[] { true, false })
3601	>	{
3602	>	CFException ex = new CFException();
3603	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3604	>	if (!createIncomplete) f.completeExceptionally(ex);
3605	>	CompletableFuture<Integer> g = f.copy();
3606	>	if (createIncomplete) {
3607	>	checkIncomplete(f);
3608	>	checkIncomplete(g);
3609	>	f.completeExceptionally(ex);
3610		}
3611	+	checkCompletedExceptionally(f, ex);
3612	+	checkCompletedWithWrappedException(g, ex);
3613	+	}}
3614	+
3615	+	/**
3616	+	* Completion of a copy does not complete its source.
3617	+	*/
3618	+	public void testCopy_oneWayPropagation() {
3619	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3620	+	assertTrue(f.copy().complete(1));
3621	+	assertTrue(f.copy().complete(null));
3622	+	assertTrue(f.copy().cancel(true));
3623	+	assertTrue(f.copy().cancel(false));
3624	+	assertTrue(f.copy().completeExceptionally(new CFException()));
3625	+	checkIncomplete(f);
3626		}
3627
3628		/**
3629	<	* whenComplete action executes on exceptional completion, propagating
3630	<	* source result.
3629	>	* minimalCompletionStage returns a CompletableFuture that is
3630	>	* completed normally, with the same value, when source is.
3631		*/
3632	<	public void testWhenComplete_exceptionalCompletion() {
3633	<	for (ExecutionMode m : ExecutionMode.values())
3634	<	for (Integer v1 : new Integer[] { 1, null }) {
3632	>	public void testMinimalCompletionStage() {
3633	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3634	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3635	>	AtomicInteger x = new AtomicInteger(0);
3636	>	AtomicReference<Throwable> r = new AtomicReference<>();
3637	>	checkIncomplete(f);
3638	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3639	>	f.complete(1);
3640	>	checkCompletedNormally(f, 1);
3641	>	assertEquals(x.get(), 1);
3642	>	assertNull(r.get());
3643	>	}
3644
3645	<	final AtomicInteger a = new AtomicInteger();
3646	<	final CFException ex = new CFException();
3647	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3648	<	final CompletableFuture<Integer> g = m.whenComplete
3649	<	(f,
3650	<	(Integer x, Throwable t) -> {
3651	<	threadAssertNull(x);
3652	<	threadAssertSame(t, ex);
3653	<	a.getAndIncrement();
3654	<	});
3645	>	/**
3646	>	* minimalCompletionStage returns a CompletableFuture that is
3647	>	* completed exceptionally when source is.
3648	>	*/
3649	>	public void testMinimalCompletionStage2() {
3650	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3651	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3652	>	AtomicInteger x = new AtomicInteger(0);
3653	>	AtomicReference<Throwable> r = new AtomicReference<>();
3654	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3655	>	checkIncomplete(f);
3656	>	CFException ex = new CFException();
3657		f.completeExceptionally(ex);
3658	<	checkCompletedWithWrappedCFException(f, ex);
3659	<	checkCompletedWithWrappedCFException(g, ex);
3660	<	assertEquals(a.get(), 1);
3513	<	}
3658	>	checkCompletedExceptionally(f, ex);
3659	>	assertEquals(x.get(), 0);
3660	>	assertEquals(r.get().getCause(), ex);
3661		}
3662
3663		/**
3664	<	* If a whenComplete action throws an exception when triggered by
3665	<	* a normal completion, it completes exceptionally
3664	>	* failedStage returns a CompletionStage completed
3665	>	* exceptionally with the given Exception
3666		*/
3667	<	public void testWhenComplete_actionFailed() {
3668	<	for (ExecutionMode m : ExecutionMode.values())
3669	<	for (Integer v1 : new Integer[] { 1, null }) {
3667	>	public void testFailedStage() {
3668	>	CFException ex = new CFException();
3669	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3670	>	AtomicInteger x = new AtomicInteger(0);
3671	>	AtomicReference<Throwable> r = new AtomicReference<>();
3672	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3673	>	assertEquals(x.get(), 0);
3674	>	assertEquals(r.get(), ex);
3675	>	}
3676
3677	<	final CFException ex = new CFException();
3678	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3679	<	final CompletableFuture<Integer> g = m.whenComplete
3680	<	(f,
3681	<	(Integer x, Throwable t) -> {
3682	<	threadAssertSame(x, v1);
3683	<	threadAssertNull(t);
3684	<	throw ex;
3685	<	});
3533	<	f.complete(v1);
3677	>	/**
3678	>	* completeAsync completes with value of given supplier
3679	>	*/
3680	>	public void testCompleteAsync() {
3681	>	for (Integer v1 : new Integer[] { 1, null })
3682	>	{
3683	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3684	>	f.completeAsync(() -> v1);
3685	>	f.join();
3686		checkCompletedNormally(f, v1);
3687	<	checkCompletedWithWrappedCFException(g, ex);
3688	<	}
3687	>	}}
3688	>
3689	>	/**
3690	>	* completeAsync completes exceptionally if given supplier throws
3691	>	*/
3692	>	public void testCompleteAsync2() {
3693	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3694	>	CFException ex = new CFException();
3695	>	f.completeAsync(() -> { throw ex; });
3696	>	try {
3697	>	f.join();
3698	>	shouldThrow();
3699	>	} catch (CompletionException success) {}
3700	>	checkCompletedWithWrappedException(f, ex);
3701		}
3702
3703		/**
3704	<	* 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.
3704	>	* completeAsync with given executor completes with value of given supplier
3705		*/
3706	<	public void testWhenComplete_actionFailedSourceFailed() {
3707	<	for (ExecutionMode m : ExecutionMode.values())
3708	<	for (Integer v1 : new Integer[] { 1, null }) {
3706	>	public void testCompleteAsync3() {
3707	>	for (Integer v1 : new Integer[] { 1, null })
3708	>	{
3709	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3710	>	ThreadExecutor executor = new ThreadExecutor();
3711	>	f.completeAsync(() -> v1, executor);
3712	>	assertSame(v1, f.join());
3713	>	checkCompletedNormally(f, v1);
3714	>	assertEquals(1, executor.count.get());
3715	>	}}
3716
3717	<	final CFException ex1 = new CFException();
3718	<	final CFException ex2 = new CFException();
3719	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3720	<	final CompletableFuture<Integer> g = m.whenComplete
3721	<	(f,
3722	<	(Integer x, Throwable t) -> {
3723	<	threadAssertSame(t, ex1);
3724	<	threadAssertNull(x);
3725	<	throw ex2;
3726	<	});
3727	<	f.completeExceptionally(ex1);
3728	<	checkCompletedWithWrappedCFException(f, ex1);
3729	<	checkCompletedWithWrappedCFException(g, ex1);
3730	<	}
3717	>	/**
3718	>	* completeAsync with given executor completes exceptionally if
3719	>	* given supplier throws
3720	>	*/
3721	>	public void testCompleteAsync4() {
3722	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3723	>	CFException ex = new CFException();
3724	>	ThreadExecutor executor = new ThreadExecutor();
3725	>	f.completeAsync(() -> { throw ex; }, executor);
3726	>	try {
3727	>	f.join();
3728	>	shouldThrow();
3729	>	} catch (CompletionException success) {}
3730	>	checkCompletedWithWrappedException(f, ex);
3731	>	assertEquals(1, executor.count.get());
3732		}
3733
3734		/**
3735	<	* handleAsync action completes normally with function value on
3566	<	* either normal or exceptional completion of source
3735	>	* orTimeout completes with TimeoutException if not complete
3736		*/
3737	<	public void testHandleAsync() {
3738	<	CompletableFuture<Integer> f, g;
3739	<	IntegerHandler r;
3737	>	public void testOrTimeout_timesOut() {
3738	>	long timeoutMillis = timeoutMillis();
3739	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3740	>	long startTime = System.nanoTime();
3741	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3742	>	checkCompletedWithTimeoutException(f);
3743	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3744	>	}
3745
3746	<	f = new CompletableFuture<>();
3747	<	g = f.handleAsync(r = new IntegerHandler());
3748	<	assertFalse(r.ran);
3749	<	f.completeExceptionally(new CFException());
3750	<	checkCompletedWithWrappedCFException(f);
3751	<	checkCompletedNormally(g, three);
3752	<	assertTrue(r.ran);
3746	>	/**
3747	>	* orTimeout completes normally if completed before timeout
3748	>	*/
3749	>	public void testOrTimeout_completed() {
3750	>	for (Integer v1 : new Integer[] { 1, null })
3751	>	{
3752	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3753	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3754	>	long startTime = System.nanoTime();
3755	>	f.complete(v1);
3756	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3757	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3758	>	g.complete(v1);
3759	>	checkCompletedNormally(f, v1);
3760	>	checkCompletedNormally(g, v1);
3761	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3762	>	}}
3763
3764	<	f = new CompletableFuture<>();
3765	<	g = f.handleAsync(r = new IntegerHandler());
3766	<	assertFalse(r.ran);
3767	<	f.completeExceptionally(new CFException());
3768	<	checkCompletedWithWrappedCFException(f);
3769	<	checkCompletedNormally(g, three);
3770	<	assertTrue(r.ran);
3764	>	/**
3765	>	* completeOnTimeout completes with given value if not complete
3766	>	*/
3767	>	public void testCompleteOnTimeout_timesOut() {
3768	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3769	>	() -> testCompleteOnTimeout_timesOut(null));
3770	>	}
3771
3772	<	f = new CompletableFuture<>();
3773	<	g = f.handleAsync(r = new IntegerHandler());
3774	<	assertFalse(r.ran);
3775	<	f.complete(one);
3776	<	checkCompletedNormally(f, one);
3777	<	checkCompletedNormally(g, two);
3778	<	assertTrue(r.ran);
3772	>	/**
3773	>	* completeOnTimeout completes with given value if not complete
3774	>	*/
3775	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3776	>	long timeoutMillis = timeoutMillis();
3777	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3778	>	long startTime = System.nanoTime();
3779	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3780	>	assertSame(v, f.join());
3781	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3782	>	f.complete(99);         // should have no effect
3783	>	checkCompletedNormally(f, v);
3784	>	}
3785
3786	<	f = new CompletableFuture<>();
3787	<	g = f.handleAsync(r = new IntegerHandler());
3788	<	assertFalse(r.ran);
3789	<	f.complete(one);
3790	<	checkCompletedNormally(f, one);
3791	<	checkCompletedNormally(g, two);
3792	<	assertTrue(r.ran);
3786	>	/**
3787	>	* completeOnTimeout has no effect if completed within timeout
3788	>	*/
3789	>	public void testCompleteOnTimeout_completed() {
3790	>	for (Integer v1 : new Integer[] { 1, null })
3791	>	{
3792	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3793	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3794	>	long startTime = System.nanoTime();
3795	>	f.complete(v1);
3796	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3797	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3798	>	g.complete(v1);
3799	>	checkCompletedNormally(f, v1);
3800	>	checkCompletedNormally(g, v1);
3801	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3802	>	}}
3803	>
3804	>	/**
3805	>	* delayedExecutor returns an executor that delays submission
3806	>	*/
3807	>	public void testDelayedExecutor() {
3808	>	testInParallel(() -> testDelayedExecutor(null, null),
3809	>	() -> testDelayedExecutor(null, 1),
3810	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3811	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3812	>	}
3813	>
3814	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3815	>	long timeoutMillis = timeoutMillis();
3816	>	// Use an "unreasonably long" long timeout to catch lingering threads
3817	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3818	>	final Executor delayer, longDelayer;
3819	>	if (executor == null) {
3820	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3821	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3822	>	} else {
3823	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3824	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3825	>	}
3826	>	long startTime = System.nanoTime();
3827	>	CompletableFuture<Integer> f =
3828	>	CompletableFuture.supplyAsync(() -> v, delayer);
3829	>	CompletableFuture<Integer> g =
3830	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3831	>
3832	>	assertNull(g.getNow(null));
3833	>
3834	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3835	>	long millisElapsed = millisElapsedSince(startTime);
3836	>	assertTrue(millisElapsed >= timeoutMillis);
3837	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3838	>
3839	>	checkCompletedNormally(f, v);
3840	>
3841	>	checkIncomplete(g);
3842	>	assertTrue(g.cancel(true));
3843	>	}
3844	>
3845	>	//--- tests of implementation details; not part of official tck ---
3846	>
3847	>	Object resultOf(CompletableFuture<?> f) {
3848	>	SecurityManager sm = System.getSecurityManager();
3849	>	if (sm != null) {
3850	>	try {
3851	>	System.setSecurityManager(null);
3852	>	} catch (SecurityException giveUp) {
3853	>	return "Reflection not available";
3854	>	}
3855	>	}
3856	>
3857	>	try {
3858	>	java.lang.reflect.Field resultField
3859	>	= CompletableFuture.class.getDeclaredField("result");
3860	>	resultField.setAccessible(true);
3861	>	return resultField.get(f);
3862	>	} catch (Throwable t) {
3863	>	throw new AssertionError(t);
3864	>	} finally {
3865	>	if (sm != null) System.setSecurityManager(sm);
3866	>	}
3867	>	}
3868	>
3869	>	public void testExceptionPropagationReusesResultObject() {
3870	>	if (!testImplementationDetails) return;
3871	>	for (ExecutionMode m : ExecutionMode.values())
3872	>	{
3873	>	final CFException ex = new CFException();
3874	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3875	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3876	>
3877	>	final Runnable noopRunnable = new Noop(m);
3878	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3879	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
3880	>
3881	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3882	>	= new ArrayList<>();
3883	>
3884	>	funs.add(y -> m.thenRun(y, noopRunnable));
3885	>	funs.add(y -> m.thenAccept(y, noopConsumer));
3886	>	funs.add(y -> m.thenApply(y, incFunction));
3887	>
3888	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3889	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3890	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3891	>
3892	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3893	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3894	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3895	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3896	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3897	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3898	>
3899	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3900	>
3901	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3902	>
3903	>	funs.add(y -> CompletableFuture.allOf(y));
3904	>	funs.add(y -> CompletableFuture.allOf(y, v42));
3905	>	funs.add(y -> CompletableFuture.allOf(v42, y));
3906	>	funs.add(y -> CompletableFuture.anyOf(y));
3907	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3908	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3909	>
3910	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3911	>	fun : funs) {
3912	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3913	>	f.completeExceptionally(ex);
3914	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3915	>	checkCompletedWithWrappedException(src, ex);
3916	>	CompletableFuture<?> dep = fun.apply(src);
3917	>	checkCompletedWithWrappedException(dep, ex);
3918	>	assertSame(resultOf(src), resultOf(dep));
3919	>	}
3920	>
3921	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3922	>	fun : funs) {
3923	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3924	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3925	>	CompletableFuture<?> dep = fun.apply(src);
3926	>	f.completeExceptionally(ex);
3927	>	checkCompletedWithWrappedException(src, ex);
3928	>	checkCompletedWithWrappedException(dep, ex);
3929	>	assertSame(resultOf(src), resultOf(dep));
3930	>	}
3931	>
3932	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3933	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3934	>	fun : funs) {
3935	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3936	>	f.cancel(mayInterruptIfRunning);
3937	>	checkCancelled(f);
3938	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3939	>	checkCompletedWithWrappedCancellationException(src);
3940	>	CompletableFuture<?> dep = fun.apply(src);
3941	>	checkCompletedWithWrappedCancellationException(dep);
3942	>	assertSame(resultOf(src), resultOf(dep));
3943	>	}
3944	>
3945	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3946	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3947	>	fun : funs) {
3948	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3949	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3950	>	CompletableFuture<?> dep = fun.apply(src);
3951	>	f.cancel(mayInterruptIfRunning);
3952	>	checkCancelled(f);
3953	>	checkCompletedWithWrappedCancellationException(src);
3954	>	checkCompletedWithWrappedCancellationException(dep);
3955	>	assertSame(resultOf(src), resultOf(dep));
3956	>	}
3957	>	}}
3958	>
3959	>	/**
3960	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3961	>	*/
3962	>	public void testMinimalCompletionStage_minimality() {
3963	>	if (!testImplementationDetails) return;
3964	>	Function<Method, String> toSignature =
3965	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3966	>	Predicate<Method> isNotStatic =
3967	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3968	>	List<Method> minimalMethods =
3969	>	Stream.of(Object.class, CompletionStage.class)
3970	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3971	>	.filter(isNotStatic)
3972	>	.collect(Collectors.toList());
3973	>	// Methods from CompletableFuture permitted NOT to throw UOE
3974	>	String[] signatureWhitelist = {
3975	>	"newIncompleteFuture[]",
3976	>	"defaultExecutor[]",
3977	>	"minimalCompletionStage[]",
3978	>	"copy[]",
3979	>	};
3980	>	Set<String> permittedMethodSignatures =
3981	>	Stream.concat(minimalMethods.stream().map(toSignature),
3982	>	Stream.of(signatureWhitelist))
3983	>	.collect(Collectors.toSet());
3984	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3985	>	.filter(isNotStatic)
3986	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3987	>	.collect(Collectors.toList());
3988	>
3989	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
3990	>	CompletionStage<Integer> min =
3991	>	new CompletableFuture<Integer>().minimalCompletionStage();
3992	>	stages.add(min);
3993	>	stages.add(min.thenApply(x -> x));
3994	>	stages.add(CompletableFuture.completedStage(1));
3995	>	stages.add(CompletableFuture.failedStage(new CFException()));
3996	>
3997	>	List<Method> bugs = new ArrayList<>();
3998	>	for (Method method : allMethods) {
3999	>	Class<?>[] parameterTypes = method.getParameterTypes();
4000	>	Object[] args = new Object[parameterTypes.length];
4001	>	// Manufacture boxed primitives for primitive params
4002	>	for (int i = 0; i < args.length; i++) {
4003	>	Class<?> type = parameterTypes[i];
4004	>	if (parameterTypes[i] == boolean.class)
4005	>	args[i] = false;
4006	>	else if (parameterTypes[i] == int.class)
4007	>	args[i] = 0;
4008	>	else if (parameterTypes[i] == long.class)
4009	>	args[i] = 0L;
4010	>	}
4011	>	for (CompletionStage<Integer> stage : stages) {
4012	>	try {
4013	>	method.invoke(stage, args);
4014	>	bugs.add(method);
4015	>	}
4016	>	catch (java.lang.reflect.InvocationTargetException expected) {
4017	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4018	>	bugs.add(method);
4019	>	// expected.getCause().printStackTrace();
4020	>	}
4021	>	}
4022	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4023	>	}
4024	>	}
4025	>	if (!bugs.isEmpty())
4026	>	throw new Error("Methods did not throw UOE: " + bugs);
4027		}
4028
4029		/**
4030	<	* handleAsync action with Executor completes normally with
4031	<	* function value on either normal or exceptional completion of
3608	<	* source
4030	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4031	>	* is completed normally, with the same value, when source is.
4032		*/
4033	<	public void testHandleAsync2() {
4034	<	CompletableFuture<Integer> f, g;
4035	<	ThreadExecutor exec = new ThreadExecutor();
4036	<	IntegerHandler r;
4033	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4034	>	for (boolean createIncomplete : new boolean[] { true, false })
4035	>	for (Integer v1 : new Integer[] { 1, null })
4036	>	{
4037	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4038	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4039	>	if (!createIncomplete) assertTrue(f.complete(v1));
4040	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4041	>	if (createIncomplete) {
4042	>	checkIncomplete(f);
4043	>	checkIncomplete(g);
4044	>	assertTrue(f.complete(v1));
4045	>	}
4046	>	checkCompletedNormally(f, v1);
4047	>	checkCompletedNormally(g, v1);
4048	>	}}
4049
4050	<	f = new CompletableFuture<>();
4051	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4052	<	assertFalse(r.ran);
4053	<	f.completeExceptionally(new CFException());
4054	<	checkCompletedWithWrappedCFException(f);
4055	<	checkCompletedNormally(g, three);
4056	<	assertTrue(r.ran);
4050	>	/**
4051	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4052	>	* is completed exceptionally when source is.
4053	>	*/
4054	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4055	>	for (boolean createIncomplete : new boolean[] { true, false })
4056	>	{
4057	>	CFException ex = new CFException();
4058	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4059	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4060	>	if (!createIncomplete) f.completeExceptionally(ex);
4061	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4062	>	if (createIncomplete) {
4063	>	checkIncomplete(f);
4064	>	checkIncomplete(g);
4065	>	f.completeExceptionally(ex);
4066	>	}
4067	>	checkCompletedExceptionally(f, ex);
4068	>	checkCompletedWithWrappedException(g, ex);
4069	>	}}
4070
4071	<	f = new CompletableFuture<>();
4072	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4073	<	assertFalse(r.ran);
4074	<	f.completeExceptionally(new CFException());
4075	<	checkCompletedWithWrappedCFException(f);
4076	<	checkCompletedNormally(g, three);
4077	<	assertTrue(r.ran);
4071	>	/**
4072	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4073	>	*/
4074	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4075	>	for (Integer v1 : new Integer[] { 1, null })
4076	>	{
4077	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4078	>	CompletionStage minimal = f.minimalCompletionStage();
4079	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4080	>	assertTrue(g.complete(v1));
4081	>	checkCompletedNormally(g, v1);
4082	>	checkIncomplete(f);
4083	>	checkIncomplete(minimal.toCompletableFuture());
4084	>	}}
4085
4086	<	f = new CompletableFuture<>();
4087	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4088	<	assertFalse(r.ran);
4089	<	f.complete(one);
4090	<	checkCompletedNormally(f, one);
4091	<	checkCompletedNormally(g, two);
4092	<	assertTrue(r.ran);
4086	>	/**
4087	>	* minimalStage.toCompletableFuture().join() awaits completion
4088	>	*/
4089	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4090	>	for (boolean createIncomplete : new boolean[] { true, false })
4091	>	for (Integer v1 : new Integer[] { 1, null })
4092	>	{
4093	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4094	>	if (!createIncomplete) assertTrue(f.complete(v1));
4095	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4096	>	if (createIncomplete) assertTrue(f.complete(v1));
4097	>	assertEquals(v1, minimal.toCompletableFuture().join());
4098	>	assertEquals(v1, minimal.toCompletableFuture().get());
4099	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4100	>	}}
4101	>
4102	>	/**
4103	>	* Completion of a toCompletableFuture copy of a minimal stage
4104	>	* does not complete its source.
4105	>	*/
4106	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4107	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4108	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4109	>	assertTrue(g.toCompletableFuture().complete(1));
4110	>	assertTrue(g.toCompletableFuture().complete(null));
4111	>	assertTrue(g.toCompletableFuture().cancel(true));
4112	>	assertTrue(g.toCompletableFuture().cancel(false));
4113	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4114	>	checkIncomplete(g.toCompletableFuture());
4115	>	f.complete(1);
4116	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4117	>	}
4118
4119	<	f = new CompletableFuture<>();
4120	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4121	<	assertFalse(r.ran);
4122	<	f.complete(one);
4123	<	checkCompletedNormally(f, one);
4124	<	checkCompletedNormally(g, two);
4125	<	assertTrue(r.ran);
4119	>	/** Demo utility method for external reliable toCompletableFuture */
4120	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4121	>	CompletableFuture<T> f = new CompletableFuture<>();
4122	>	stage.handle((T t, Throwable ex) -> {
4123	>	if (ex != null) f.completeExceptionally(ex);
4124	>	else f.complete(t);
4125	>	return null;
4126	>	});
4127	>	return f;
4128	>	}
4129	>
4130	>	/** Demo utility method to join a CompletionStage */
4131	>	static <T> T join(CompletionStage<T> stage) {
4132	>	return toCompletableFuture(stage).join();
4133		}
4134
4135	+	/**
4136	+	* Joining a minimal stage "by hand" works
4137	+	*/
4138	+	public void testMinimalCompletionStage_join_by_hand() {
4139	+	for (boolean createIncomplete : new boolean[] { true, false })
4140	+	for (Integer v1 : new Integer[] { 1, null })
4141	+	{
4142	+	CompletableFuture<Integer> f = new CompletableFuture<>();
4143	+	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4144	+	CompletableFuture<Integer> g = new CompletableFuture<>();
4145	+	if (!createIncomplete) assertTrue(f.complete(v1));
4146	+	minimal.thenAccept(x -> g.complete(x));
4147	+	if (createIncomplete) assertTrue(f.complete(v1));
4148	+	g.join();
4149	+	checkCompletedNormally(g, v1);
4150	+	checkCompletedNormally(f, v1);
4151	+	assertEquals(v1, join(minimal));
4152	+	}}
4153	+
4154	+	static class Monad {
4155	+	static class ZeroException extends RuntimeException {
4156	+	public ZeroException() { super("monadic zero"); }
4157	+	}
4158	+	// "return", "unit"
4159	+	static <T> CompletableFuture<T> unit(T value) {
4160	+	return completedFuture(value);
4161	+	}
4162	+	// monadic zero ?
4163	+	static <T> CompletableFuture<T> zero() {
4164	+	return failedFuture(new ZeroException());
4165	+	}
4166	+	// >=>
4167	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
4168	+	(Function<T, CompletableFuture<U>> f,
4169	+	Function<U, CompletableFuture<V>> g) {
4170	+	return x -> f.apply(x).thenCompose(g);
4171	+	}
4172	+
4173	+	static void assertZero(CompletableFuture<?> f) {
4174	+	try {
4175	+	f.getNow(null);
4176	+	throw new AssertionFailedError("should throw");
4177	+	} catch (CompletionException success) {
4178	+	assertTrue(success.getCause() instanceof ZeroException);
4179	+	}
4180	+	}
4181	+
4182	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4183	+	CompletableFuture<T> g) {
4184	+	T fval = null, gval = null;
4185	+	Throwable fex = null, gex = null;
4186	+
4187	+	try { fval = f.get(); }
4188	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4189	+	catch (Throwable ex) { fex = ex; }
4190	+
4191	+	try { gval = g.get(); }
4192	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4193	+	catch (Throwable ex) { gex = ex; }
4194	+
4195	+	if (fex != null || gex != null)
4196	+	assertSame(fex.getClass(), gex.getClass());
4197	+	else
4198	+	assertEquals(fval, gval);
4199	+	}
4200	+
4201	+	static class PlusFuture<T> extends CompletableFuture<T> {
4202	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4203	+	}
4204	+
4205	+	/** Implements "monadic plus". */
4206	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4207	+	CompletableFuture<? extends T> g) {
4208	+	PlusFuture<T> plus = new PlusFuture<T>();
4209	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4210	+	try {
4211	+	if (ex == null) {
4212	+	if (plus.complete(result))
4213	+	if (plus.firstFailure.get() != null)
4214	+	plus.firstFailure.set(null);
4215	+	}
4216	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4217	+	if (plus.isDone())
4218	+	plus.firstFailure.set(null);
4219	+	}
4220	+	else {
4221	+	// first failure has precedence
4222	+	Throwable first = plus.firstFailure.getAndSet(null);
4223	+
4224	+	// may fail with "Self-suppression not permitted"
4225	+	try { first.addSuppressed(ex); }
4226	+	catch (Exception ignored) {}
4227	+
4228	+	plus.completeExceptionally(first);
4229	+	}
4230	+	} catch (Throwable unexpected) {
4231	+	plus.completeExceptionally(unexpected);
4232	+	}
4233	+	};
4234	+	f.whenComplete(action);
4235	+	g.whenComplete(action);
4236	+	return plus;
4237	+	}
4238	+	}
4239	+
4240	+	/**
4241	+	* CompletableFuture is an additive monad - sort of.
4242	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4243	+	*/
4244	+	public void testAdditiveMonad() throws Throwable {
4245	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4246	+	CompletableFuture<Long> zero = Monad.zero();
4247	+
4248	+	// Some mutually non-commutative functions
4249	+	Function<Long, CompletableFuture<Long>> triple
4250	+	= x -> Monad.unit(3 * x);
4251	+	Function<Long, CompletableFuture<Long>> inc
4252	+	= x -> Monad.unit(x + 1);
4253	+
4254	+	// unit is a right identity: m >>= unit === m
4255	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4256	+	inc.apply(5L));
4257	+	// unit is a left identity: (unit x) >>= f === f x
4258	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4259	+	inc.apply(5L));
4260	+
4261	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4262	+	Monad.assertFutureEquals(
4263	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4264	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4265	+
4266	+	// The case for CompletableFuture as an additive monad is weaker...
4267	+
4268	+	// zero is a monadic zero
4269	+	Monad.assertZero(zero);
4270	+
4271	+	// left zero: zero >>= f === zero
4272	+	Monad.assertZero(zero.thenCompose(inc));
4273	+	// right zero: f >>= (\x -> zero) === zero
4274	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4275	+
4276	+	// f plus zero === f
4277	+	Monad.assertFutureEquals(Monad.unit(5L),
4278	+	Monad.plus(Monad.unit(5L), zero));
4279	+	// zero plus f === f
4280	+	Monad.assertFutureEquals(Monad.unit(5L),
4281	+	Monad.plus(zero, Monad.unit(5L)));
4282	+	// zero plus zero === zero
4283	+	Monad.assertZero(Monad.plus(zero, zero));
4284	+	{
4285	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4286	+	Monad.unit(8L));
4287	+	// non-determinism
4288	+	assertTrue(f.get() == 5L || f.get() == 8L);
4289	+	}
4290	+
4291	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4292	+	// f plus godot === f (doesn't wait for godot)
4293	+	Monad.assertFutureEquals(Monad.unit(5L),
4294	+	Monad.plus(Monad.unit(5L), godot));
4295	+	// godot plus f === f (doesn't wait for godot)
4296	+	Monad.assertFutureEquals(Monad.unit(5L),
4297	+	Monad.plus(godot, Monad.unit(5L)));
4298	+	}
4299	+
4300	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4301	+	@SuppressWarnings("FutureReturnValueIgnored")
4302	+	public void testRecursiveChains() throws Throwable {
4303	+	for (ExecutionMode m : ExecutionMode.values())
4304	+	for (boolean addDeadEnds : new boolean[] { true, false })
4305	+	{
4306	+	final int val = 42;
4307	+	final int n = expensiveTests ? 1_000 : 2;
4308	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4309	+	CompletableFuture<Integer> tail = head;
4310	+	for (int i = 0; i < n; i++) {
4311	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4312	+	tail = m.thenApply(tail, v -> v + 1);
4313	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4314	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4315	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4316	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4317	+	}
4318	+	head.complete(val);
4319	+	assertEquals(val + 3 * n, (int) tail.join());
4320	+	}}
4321	+
4322	+	/**
4323	+	* A single CompletableFuture with many dependents.
4324	+	* A demo of scalability - runtime is O(n).
4325	+	*/
4326	+	@SuppressWarnings("FutureReturnValueIgnored")
4327	+	public void testManyDependents() throws Throwable {
4328	+	final int n = expensiveTests ? 1_000_000 : 10;
4329	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4330	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4331	+	final AtomicInteger count = new AtomicInteger(0);
4332	+	for (int i = 0; i < n; i++) {
4333	+	head.thenRun(() -> count.getAndIncrement());
4334	+	head.thenAccept(x -> count.getAndIncrement());
4335	+	head.thenApply(x -> count.getAndIncrement());
4336	+
4337	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4338	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4339	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4340	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4341	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4342	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4343	+
4344	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4345	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4346	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4347	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4348	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4349	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4350	+	}
4351	+	head.complete(null);
4352	+	assertEquals(5 * 3 * n, count.get());
4353	+	}
4354	+
4355	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4356	+	@SuppressWarnings("FutureReturnValueIgnored")
4357	+	public void testCoCompletionGarbageRetention() throws Throwable {
4358	+	final int n = expensiveTests ? 1_000_000 : 10;
4359	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4360	+	CompletableFuture<Integer> f;
4361	+	for (int i = 0; i < n; i++) {
4362	+	f = new CompletableFuture<>();
4363	+	f.runAfterEither(incomplete, () -> {});
4364	+	f.complete(null);
4365	+
4366	+	f = new CompletableFuture<>();
4367	+	f.acceptEither(incomplete, x -> {});
4368	+	f.complete(null);
4369	+
4370	+	f = new CompletableFuture<>();
4371	+	f.applyToEither(incomplete, x -> x);
4372	+	f.complete(null);
4373	+
4374	+	f = new CompletableFuture<>();
4375	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4376	+	f.complete(null);
4377	+	}
4378	+
4379	+	for (int i = 0; i < n; i++) {
4380	+	f = new CompletableFuture<>();
4381	+	incomplete.runAfterEither(f, () -> {});
4382	+	f.complete(null);
4383	+
4384	+	f = new CompletableFuture<>();
4385	+	incomplete.acceptEither(f, x -> {});
4386	+	f.complete(null);
4387	+
4388	+	f = new CompletableFuture<>();
4389	+	incomplete.applyToEither(f, x -> x);
4390	+	f.complete(null);
4391	+
4392	+	f = new CompletableFuture<>();
4393	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4394	+	f.complete(null);
4395	+	}
4396	+	}
4397	+
4398	+	/**
4399	+	* Reproduction recipe for:
4400	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4401	+	* cvs update -D '2016-05-01' ./src/main/java/util/concurrent/CompletableFuture.java && ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testAnyOfGarbageRetention tck; cvs update -A
4402	+	*/
4403	+	public void testAnyOfGarbageRetention() throws Throwable {
4404	+	for (Integer v : new Integer[] { 1, null })
4405	+	{
4406	+	final int n = expensiveTests ? 100_000 : 10;
4407	+	CompletableFuture<Integer>[] fs
4408	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4409	+	for (int i = 0; i < fs.length; i++)
4410	+	fs[i] = new CompletableFuture<>();
4411	+	fs[fs.length - 1].complete(v);
4412	+	for (int i = 0; i < n; i++)
4413	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4414	+	}}
4415	+
4416	+	/**
4417	+	* Checks for garbage retention with allOf.
4418	+	*
4419	+	* As of 2016-07, fails with OOME:
4420	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4421	+	*/
4422	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4423	+	final int n = expensiveTests ? 100_000 : 10;
4424	+	CompletableFuture<Integer>[] fs
4425	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4426	+	for (int i = 0; i < fs.length; i++)
4427	+	fs[i] = new CompletableFuture<>();
4428	+	for (int i = 0; i < n; i++)
4429	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4430	+	}
4431	+
4432	+	/**
4433	+	* Checks for garbage retention when a dependent future is
4434	+	* cancelled and garbage-collected.
4435	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4436	+	*
4437	+	* As of 2016-07, fails with OOME:
4438	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4439	+	*/
4440	+	public void testCancelledGarbageRetention() throws Throwable {
4441	+	final int n = expensiveTests ? 100_000 : 10;
4442	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4443	+	for (int i = 0; i < n; i++)
4444	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4445	+	}
4446	+
4447	+	/**
4448	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4449	+	* is invoked many times.
4450	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4451	+	*
4452	+	* As of 2016-07, fails with OOME:
4453	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4454	+	*/
4455	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4456	+	final int n = expensiveTests ? 900_000 : 10;
4457	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4458	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4459	+	for (int i = 0; i < n; i++)
4460	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4461	+	}
4462	+
4463	+	//     static <U> U join(CompletionStage<U> stage) {
4464	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4465	+	//         stage.whenComplete((v, ex) -> {
4466	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4467	+	//         });
4468	+	//         return f.join();
4469	+	//     }
4470	+
4471	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4472	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4473	+	//         stage.whenComplete((v, ex) -> {
4474	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4475	+	//         });
4476	+	//         return f.isDone();
4477	+	//     }
4478	+
4479	+	//     static <U> U join2(CompletionStage<U> stage) {
4480	+	//         return stage.toCompletableFuture().copy().join();
4481	+	//     }
4482	+
4483	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4484	+	//         return stage.toCompletableFuture().copy().isDone();
4485	+	//     }
4486	+
4487		}

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