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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.24 by jsr166, Sun Apr 14 05:45:38 2013 UTC vs.
Revision 1.181 by jsr166, Sat Nov 26 20:32:24 2016 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;
22	<	import static java.util.concurrent.TimeUnit.SECONDS;
23	<	import java.util.*;
24	<	import java.util.function.Supplier;
25	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
27	–	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 41 | 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); }
#	Line 54 | 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));
59	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 68 | Line 85 | public class CompletableFutureTest exten
85		} catch (Throwable fail) { threadUnexpectedException(fail); }
86		assertTrue(f.isDone());
87		assertFalse(f.isCancelled());
88	+	assertFalse(f.isCompletedExceptionally());
89		assertTrue(f.toString().contains("[Completed normally]"));
90		}
91
92	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
92	>	/**
93	>	* Returns the "raw" internal exceptional completion of f,
94	>	* without any additional wrapping with CompletionException.
95	>	*/
96	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
97	>	// handle (and whenComplete) can distinguish between "direct"
98	>	// and "wrapped" exceptional completion
99	>	return f.handle((U u, Throwable t) -> t).join();
100	>	}
101	>
102	>	void checkCompletedExceptionally(CompletableFuture<?> f,
103	>	boolean wrapped,
104	>	Consumer<Throwable> checker) {
105	>	Throwable cause = exceptionalCompletion(f);
106	>	if (wrapped) {
107	>	assertTrue(cause instanceof CompletionException);
108	>	cause = cause.getCause();
109	>	}
110	>	checker.accept(cause);
111	>
112	>	long startTime = System.nanoTime();
113		try {
114		f.get(LONG_DELAY_MS, MILLISECONDS);
115		shouldThrow();
116		} catch (ExecutionException success) {
117	<	assertTrue(success.getCause() instanceof CFException);
117	>	assertSame(cause, success.getCause());
118		} catch (Throwable fail) { threadUnexpectedException(fail); }
119	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
120	+
121		try {
122		f.join();
123		shouldThrow();
124		} catch (CompletionException success) {
125	<	assertTrue(success.getCause() instanceof CFException);
126	<	}
125	>	assertSame(cause, success.getCause());
126	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
127	>
128		try {
129		f.getNow(null);
130		shouldThrow();
131		} catch (CompletionException success) {
132	<	assertTrue(success.getCause() instanceof CFException);
133	<	}
132	>	assertSame(cause, success.getCause());
133	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
134	>
135		try {
136		f.get();
137		shouldThrow();
138		} catch (ExecutionException success) {
139	<	assertTrue(success.getCause() instanceof CFException);
139	>	assertSame(cause, success.getCause());
140		} catch (Throwable fail) { threadUnexpectedException(fail); }
141	<	assertTrue(f.isDone());
141	>
142		assertFalse(f.isCancelled());
143	+	assertTrue(f.isDone());
144	+	assertTrue(f.isCompletedExceptionally());
145		assertTrue(f.toString().contains("[Completed exceptionally]"));
146		}
147
148	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
149	+	checkCompletedExceptionally(f, true,
150	+	t -> assertTrue(t instanceof CFException));
151	+	}
152	+
153	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
154	+	checkCompletedExceptionally(f, true,
155	+	t -> assertTrue(t instanceof CancellationException));
156	+	}
157	+
158	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
159	+	checkCompletedExceptionally(f, false,
160	+	t -> assertTrue(t instanceof TimeoutException));
161	+	}
162	+
163	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
164	+	Throwable ex) {
165	+	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
166	+	}
167	+
168	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
169	+	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
170	+	}
171	+
172		void checkCancelled(CompletableFuture<?> f) {
173	+	long startTime = System.nanoTime();
174		try {
175		f.get(LONG_DELAY_MS, MILLISECONDS);
176		shouldThrow();
177		} catch (CancellationException success) {
178		} catch (Throwable fail) { threadUnexpectedException(fail); }
179	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
180	+
181		try {
182		f.join();
183		shouldThrow();
#	Line 120 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} catch (Throwable fail) { threadUnexpectedException(fail); }
123	–	assertTrue(f.isDone());
124	–	assertTrue(f.isCancelled());
125	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
126	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	try {
130	<	f.get(LONG_DELAY_MS, MILLISECONDS);
131	<	shouldThrow();
132	<	} catch (ExecutionException success) {
133	<	assertTrue(success.getCause() instanceof CancellationException);
134	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
135	<	try {
136	<	f.join();
137	<	shouldThrow();
138	<	} catch (CompletionException success) {
139	<	assertTrue(success.getCause() instanceof CancellationException);
140	<	}
141	<	try {
142	<	f.getNow(null);
143	<	shouldThrow();
144	<	} catch (CompletionException success) {
145	<	assertTrue(success.getCause() instanceof CancellationException);
146	<	}
147	<	try {
148	<	f.get();
149	<	shouldThrow();
150	<	} catch (ExecutionException success) {
151	<	assertTrue(success.getCause() instanceof CancellationException);
152	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
198	<	assertFalse(f.isCancelled());
198	>	assertTrue(f.isCompletedExceptionally());
199	>	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 169 | Line 214 | public class CompletableFutureTest exten
214		* isCancelled, join, get, and getNow
215		*/
216		public void testComplete() {
217	+	for (Integer v1 : new Integer[] { 1, null })
218	+	{
219		CompletableFuture<Integer> f = new CompletableFuture<>();
220		checkIncomplete(f);
221	<	f.complete(one);
222	<	checkCompletedNormally(f, one);
223	<	}
221	>	assertTrue(f.complete(v1));
222	>	assertFalse(f.complete(v1));
223	>	checkCompletedNormally(f, v1);
224	>	}}
225
226		/**
227		* completeExceptionally completes exceptionally, as indicated by
#	Line 181 | Line 229 | public class CompletableFutureTest exten
229		*/
230		public void testCompleteExceptionally() {
231		CompletableFuture<Integer> f = new CompletableFuture<>();
232	+	CFException ex = new CFException();
233		checkIncomplete(f);
234	<	f.completeExceptionally(new CFException());
235	<	checkCompletedWithWrappedCFException(f);
234	>	f.completeExceptionally(ex);
235	>	checkCompletedExceptionally(f, ex);
236		}
237
238		/**
#	Line 191 | Line 240 | public class CompletableFutureTest exten
240		* methods isDone, isCancelled, join, get, and getNow
241		*/
242		public void testCancel() {
243	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
244	+	{
245		CompletableFuture<Integer> f = new CompletableFuture<>();
246		checkIncomplete(f);
247	<	assertTrue(f.cancel(true));
247	>	assertTrue(f.cancel(mayInterruptIfRunning));
248	>	assertTrue(f.cancel(mayInterruptIfRunning));
249	>	assertTrue(f.cancel(!mayInterruptIfRunning));
250		checkCancelled(f);
251	<	}
251	>	}}
252
253		/**
254		* obtrudeValue forces completion with given value
#	Line 203 | Line 256 | public class CompletableFutureTest exten
256		public void testObtrudeValue() {
257		CompletableFuture<Integer> f = new CompletableFuture<>();
258		checkIncomplete(f);
259	<	f.complete(one);
259	>	assertTrue(f.complete(one));
260		checkCompletedNormally(f, one);
261		f.obtrudeValue(three);
262		checkCompletedNormally(f, three);
#	Line 212 | Line 265 | public class CompletableFutureTest exten
265		f = new CompletableFuture<>();
266		f.obtrudeValue(three);
267		checkCompletedNormally(f, three);
268	+	f.obtrudeValue(null);
269	+	checkCompletedNormally(f, null);
270		f = new CompletableFuture<>();
271		f.completeExceptionally(new CFException());
272		f.obtrudeValue(four);
#	Line 222 | Line 277 | public class CompletableFutureTest exten
277		* obtrudeException forces completion with given exception
278		*/
279		public void testObtrudeException() {
280	<	CompletableFuture<Integer> f = new CompletableFuture<>();
281	<	checkIncomplete(f);
282	<	f.complete(one);
283	<	checkCompletedNormally(f, one);
284	<	f.obtrudeException(new CFException());
285	<	checkCompletedWithWrappedCFException(f);
280	>	for (Integer v1 : new Integer[] { 1, null })
281	>	{
282	>	CFException ex;
283	>	CompletableFuture<Integer> f;
284	>
285	>	f = new CompletableFuture<>();
286	>	assertTrue(f.complete(v1));
287	>	for (int i = 0; i < 2; i++) {
288	>	f.obtrudeException(ex = new CFException());
289	>	checkCompletedExceptionally(f, ex);
290	>	}
291	>
292		f = new CompletableFuture<>();
293	<	f.obtrudeException(new CFException());
294	<	checkCompletedWithWrappedCFException(f);
293	>	for (int i = 0; i < 2; i++) {
294	>	f.obtrudeException(ex = new CFException());
295	>	checkCompletedExceptionally(f, ex);
296	>	}
297	>
298		f = new CompletableFuture<>();
299	<	f.completeExceptionally(new CFException());
300	<	f.obtrudeValue(four);
301	<	checkCompletedNormally(f, four);
302	<	f.obtrudeException(new CFException());
303	<	checkCompletedWithWrappedCFException(f);
304	<	}
299	>	f.completeExceptionally(ex = new CFException());
300	>	f.obtrudeValue(v1);
301	>	checkCompletedNormally(f, v1);
302	>	f.obtrudeException(ex = new CFException());
303	>	checkCompletedExceptionally(f, ex);
304	>	f.completeExceptionally(new CFException());
305	>	checkCompletedExceptionally(f, ex);
306	>	assertFalse(f.complete(v1));
307	>	checkCompletedExceptionally(f, ex);
308	>	}}
309
310		/**
311		* getNumberOfDependents returns number of dependent tasks
312		*/
313		public void testGetNumberOfDependents() {
314	<	CompletableFuture<Integer> f = new CompletableFuture<>();
315	<	assertEquals(f.getNumberOfDependents(), 0);
316	<	CompletableFuture g = f.thenRun(new Noop());
317	<	assertEquals(f.getNumberOfDependents(), 1);
318	<	assertEquals(g.getNumberOfDependents(), 0);
319	<	CompletableFuture h = f.thenRun(new Noop());
320	<	assertEquals(f.getNumberOfDependents(), 2);
321	<	f.complete(1);
314	>	for (ExecutionMode m : ExecutionMode.values())
315	>	for (Integer v1 : new Integer[] { 1, null })
316	>	{
317	>	CompletableFuture<Integer> f = new CompletableFuture<>();
318	>	assertEquals(0, f.getNumberOfDependents());
319	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
320	>	assertEquals(1, f.getNumberOfDependents());
321	>	assertEquals(0, g.getNumberOfDependents());
322	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
323	>	assertEquals(2, f.getNumberOfDependents());
324	>	assertEquals(0, h.getNumberOfDependents());
325	>	assertTrue(f.complete(v1));
326		checkCompletedNormally(g, null);
327	<	assertEquals(f.getNumberOfDependents(), 0);
328	<	assertEquals(g.getNumberOfDependents(), 0);
329	<	}
330	<
327	>	checkCompletedNormally(h, null);
328	>	assertEquals(0, f.getNumberOfDependents());
329	>	assertEquals(0, g.getNumberOfDependents());
330	>	assertEquals(0, h.getNumberOfDependents());
331	>	}}
332
333		/**
334		* toString indicates current completion state
#	Line 266 | Line 339 | public class CompletableFutureTest exten
339		f = new CompletableFuture<String>();
340		assertTrue(f.toString().contains("[Not completed]"));
341
342	<	f.complete("foo");
342	>	assertTrue(f.complete("foo"));
343		assertTrue(f.toString().contains("[Completed normally]"));
344
345		f = new CompletableFuture<String>();
346	<	f.completeExceptionally(new IndexOutOfBoundsException());
346	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
347		assertTrue(f.toString().contains("[Completed exceptionally]"));
348	+
349	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
350	+	f = new CompletableFuture<String>();
351	+	assertTrue(f.cancel(mayInterruptIfRunning));
352	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
353	+	}
354		}
355
356		/**
#	Line 282 | Line 361 | public class CompletableFutureTest exten
361		checkCompletedNormally(f, "test");
362		}
363
364	<	// Choose non-commutative actions for better coverage
364	>	abstract static class CheckedAction {
365	>	int invocationCount = 0;
366	>	final ExecutionMode m;
367	>	CheckedAction(ExecutionMode m) { this.m = m; }
368	>	void invoked() {
369	>	m.checkExecutionMode();
370	>	assertEquals(0, invocationCount++);
371	>	}
372	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
373	>	void assertInvoked() { assertEquals(1, invocationCount); }
374	>	}
375	>
376	>	abstract static class CheckedIntegerAction extends CheckedAction {
377	>	Integer value;
378	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
379	>	void assertValue(Integer expected) {
380	>	assertInvoked();
381	>	assertEquals(expected, value);
382	>	}
383	>	}
384	>
385	>	static class IntegerSupplier extends CheckedAction
386	>	implements Supplier<Integer>
387	>	{
388	>	final Integer value;
389	>	IntegerSupplier(ExecutionMode m, Integer value) {
390	>	super(m);
391	>	this.value = value;
392	>	}
393	>	public Integer get() {
394	>	invoked();
395	>	return value;
396	>	}
397	>	}
398	>
399	>	// A function that handles and produces null values as well.
400	>	static Integer inc(Integer x) {
401	>	return (x == null) ? null : x + 1;
402	>	}
403	>
404	>	static class NoopConsumer extends CheckedIntegerAction
405	>	implements Consumer<Integer>
406	>	{
407	>	NoopConsumer(ExecutionMode m) { super(m); }
408	>	public void accept(Integer x) {
409	>	invoked();
410	>	value = x;
411	>	}
412	>	}
413
414	<	static final Supplier<Integer> supplyOne =
415	<	() -> Integer.valueOf(1);
416	<	static final Function<Integer, Integer> inc =
417	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
418	<	static final BiFunction<Integer, Integer, Integer> subtract =
419	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
420	<	static final class IncAction implements Consumer<Integer> {
421	<	int value;
422	<	public void accept(Integer x) { value = x.intValue() + 1; }
414	>	static class IncFunction extends CheckedIntegerAction
415	>	implements Function<Integer,Integer>
416	>	{
417	>	IncFunction(ExecutionMode m) { super(m); }
418	>	public Integer apply(Integer x) {
419	>	invoked();
420	>	return value = inc(x);
421	>	}
422	>	}
423	>
424	>	// Choose non-commutative actions for better coverage
425	>	// A non-commutative function that handles and produces null values as well.
426	>	static Integer subtract(Integer x, Integer y) {
427	>	return (x == null && y == null) ? null :
428	>	((x == null) ? 42 : x.intValue())
429	>	- ((y == null) ? 99 : y.intValue());
430		}
431	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
432	<	int value;
431	>
432	>	static class SubtractAction extends CheckedIntegerAction
433	>	implements BiConsumer<Integer, Integer>
434	>	{
435	>	SubtractAction(ExecutionMode m) { super(m); }
436		public void accept(Integer x, Integer y) {
437	<	value = x.intValue() - y.intValue();
437	>	invoked();
438	>	value = subtract(x, y);
439		}
440		}
441	<	static final class Noop implements Runnable {
442	<	boolean ran;
443	<	public void run() { ran = true; }
441	>
442	>	static class SubtractFunction extends CheckedIntegerAction
443	>	implements BiFunction<Integer, Integer, Integer>
444	>	{
445	>	SubtractFunction(ExecutionMode m) { super(m); }
446	>	public Integer apply(Integer x, Integer y) {
447	>	invoked();
448	>	return value = subtract(x, y);
449	>	}
450		}
451
452	<	static final class FailingSupplier implements Supplier<Integer> {
453	<	boolean ran;
454	<	public Integer get() { ran = true; throw new CFException(); }
452	>	static class Noop extends CheckedAction implements Runnable {
453	>	Noop(ExecutionMode m) { super(m); }
454	>	public void run() {
455	>	invoked();
456	>	}
457		}
458	<	static final class FailingConsumer implements Consumer<Integer> {
459	<	boolean ran;
460	<	public void accept(Integer x) { ran = true; throw new CFException(); }
458	>
459	>	static class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	final CFException ex;
463	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
464	>	public Integer get() {
465	>	invoked();
466	>	throw ex;
467	>	}
468		}
469	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
470	<	boolean ran;
471	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
469	>
470	>	static class FailingConsumer extends CheckedIntegerAction
471	>	implements Consumer<Integer>
472	>	{
473	>	final CFException ex;
474	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
475	>	public void accept(Integer x) {
476	>	invoked();
477	>	value = x;
478	>	throw ex;
479	>	}
480		}
481	<	static final class FailingFunction implements Function<Integer, Integer> {
482	<	boolean ran;
483	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
481	>
482	>	static class FailingBiConsumer extends CheckedIntegerAction
483	>	implements BiConsumer<Integer, Integer>
484	>	{
485	>	final CFException ex;
486	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
487	>	public void accept(Integer x, Integer y) {
488	>	invoked();
489	>	value = subtract(x, y);
490	>	throw ex;
491	>	}
492		}
493	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
494	<	boolean ran;
495	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
493	>
494	>	static class FailingFunction extends CheckedIntegerAction
495	>	implements Function<Integer, Integer>
496	>	{
497	>	final CFException ex;
498	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
499	>	public Integer apply(Integer x) {
500	>	invoked();
501	>	value = x;
502	>	throw ex;
503	>	}
504		}
505	<	static final class FailingNoop implements Runnable {
506	<	boolean ran;
507	<	public void run() { ran = true; throw new CFException(); }
505	>
506	>	static class FailingBiFunction extends CheckedIntegerAction
507	>	implements BiFunction<Integer, Integer, Integer>
508	>	{
509	>	final CFException ex;
510	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
511	>	public Integer apply(Integer x, Integer y) {
512	>	invoked();
513	>	value = subtract(x, y);
514	>	throw ex;
515	>	}
516		}
517
518	<	static final class CompletableFutureInc
519	<	implements Function<Integer, CompletableFuture<Integer>> {
520	<	boolean ran;
518	>	static class FailingRunnable extends CheckedAction implements Runnable {
519	>	final CFException ex;
520	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
521	>	public void run() {
522	>	invoked();
523	>	throw ex;
524	>	}
525	>	}
526	>
527	>	static class CompletableFutureInc extends CheckedIntegerAction
528	>	implements Function<Integer, CompletableFuture<Integer>>
529	>	{
530	>	CompletableFutureInc(ExecutionMode m) { super(m); }
531		public CompletableFuture<Integer> apply(Integer x) {
532	<	ran = true;
532	>	invoked();
533	>	value = x;
534		CompletableFuture<Integer> f = new CompletableFuture<>();
535	<	f.complete(Integer.valueOf(x.intValue() + 1));
535	>	assertTrue(f.complete(inc(x)));
536		return f;
537		}
538		}
539
540	<	static final class FailingCompletableFutureFunction
541	<	implements Function<Integer, CompletableFuture<Integer>> {
542	<	boolean ran;
540	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
541	>	implements Function<Integer, CompletableFuture<Integer>>
542	>	{
543	>	final CFException ex;
544	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
545		public CompletableFuture<Integer> apply(Integer x) {
546	<	ran = true; throw new CFException();
546	>	invoked();
547	>	value = x;
548	>	throw ex;
549	>	}
550	>	}
551	>
552	>	static class CountingRejectingExecutor implements Executor {
553	>	final RejectedExecutionException ex = new RejectedExecutionException();
554	>	final AtomicInteger count = new AtomicInteger(0);
555	>	public void execute(Runnable r) {
556	>	count.getAndIncrement();
557	>	throw ex;
558		}
559		}
560
561		// Used for explicit executor tests
562		static final class ThreadExecutor implements Executor {
563	<	AtomicInteger count = new AtomicInteger(0);
563	>	final AtomicInteger count = new AtomicInteger(0);
564	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
565	>	static boolean startedCurrentThread() {
566	>	return Thread.currentThread().getThreadGroup() == tg;
567	>	}
568
569		public void execute(Runnable r) {
570		count.getAndIncrement();
571	<	new Thread(r).start();
571	>	new Thread(tg, r).start();
572		}
573		}
574
575	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
576	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
364	<	}
575	>	static final boolean defaultExecutorIsCommonPool
576	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
577
578	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
579	<	boolean ran;
580	<	public Integer apply(Integer x, Throwable t) {
581	<	ran = true;
582	<	return (t == null) ? two : three;
583	<	}
584	<	}
578	>	/**
579	>	* Permits the testing of parallel code for the 3 different
580	>	* execution modes without copy/pasting all the test methods.
581	>	*/
582	>	enum ExecutionMode {
583	>	SYNC {
584	>	public void checkExecutionMode() {
585	>	assertFalse(ThreadExecutor.startedCurrentThread());
586	>	assertNull(ForkJoinTask.getPool());
587	>	}
588	>	public CompletableFuture<Void> runAsync(Runnable a) {
589	>	throw new UnsupportedOperationException();
590	>	}
591	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
592	>	throw new UnsupportedOperationException();
593	>	}
594	>	public <T> CompletableFuture<Void> thenRun
595	>	(CompletableFuture<T> f, Runnable a) {
596	>	return f.thenRun(a);
597	>	}
598	>	public <T> CompletableFuture<Void> thenAccept
599	>	(CompletableFuture<T> f, Consumer<? super T> a) {
600	>	return f.thenAccept(a);
601	>	}
602	>	public <T,U> CompletableFuture<U> thenApply
603	>	(CompletableFuture<T> f, Function<? super T,U> a) {
604	>	return f.thenApply(a);
605	>	}
606	>	public <T,U> CompletableFuture<U> thenCompose
607	>	(CompletableFuture<T> f,
608	>	Function<? super T,? extends CompletionStage<U>> a) {
609	>	return f.thenCompose(a);
610	>	}
611	>	public <T,U> CompletableFuture<U> handle
612	>	(CompletableFuture<T> f,
613	>	BiFunction<? super T,Throwable,? extends U> a) {
614	>	return f.handle(a);
615	>	}
616	>	public <T> CompletableFuture<T> whenComplete
617	>	(CompletableFuture<T> f,
618	>	BiConsumer<? super T,? super Throwable> a) {
619	>	return f.whenComplete(a);
620	>	}
621	>	public <T,U> CompletableFuture<Void> runAfterBoth
622	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
623	>	return f.runAfterBoth(g, a);
624	>	}
625	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
626	>	(CompletableFuture<T> f,
627	>	CompletionStage<? extends U> g,
628	>	BiConsumer<? super T,? super U> a) {
629	>	return f.thenAcceptBoth(g, a);
630	>	}
631	>	public <T,U,V> CompletableFuture<V> thenCombine
632	>	(CompletableFuture<T> f,
633	>	CompletionStage<? extends U> g,
634	>	BiFunction<? super T,? super U,? extends V> a) {
635	>	return f.thenCombine(g, a);
636	>	}
637	>	public <T> CompletableFuture<Void> runAfterEither
638	>	(CompletableFuture<T> f,
639	>	CompletionStage<?> g,
640	>	java.lang.Runnable a) {
641	>	return f.runAfterEither(g, a);
642	>	}
643	>	public <T> CompletableFuture<Void> acceptEither
644	>	(CompletableFuture<T> f,
645	>	CompletionStage<? extends T> g,
646	>	Consumer<? super T> a) {
647	>	return f.acceptEither(g, a);
648	>	}
649	>	public <T,U> CompletableFuture<U> applyToEither
650	>	(CompletableFuture<T> f,
651	>	CompletionStage<? extends T> g,
652	>	Function<? super T,U> a) {
653	>	return f.applyToEither(g, a);
654	>	}
655	>	},
656	>
657	>	ASYNC {
658	>	public void checkExecutionMode() {
659	>	assertEquals(defaultExecutorIsCommonPool,
660	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
661	>	}
662	>	public CompletableFuture<Void> runAsync(Runnable a) {
663	>	return CompletableFuture.runAsync(a);
664	>	}
665	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
666	>	return CompletableFuture.supplyAsync(a);
667	>	}
668	>	public <T> CompletableFuture<Void> thenRun
669	>	(CompletableFuture<T> f, Runnable a) {
670	>	return f.thenRunAsync(a);
671	>	}
672	>	public <T> CompletableFuture<Void> thenAccept
673	>	(CompletableFuture<T> f, Consumer<? super T> a) {
674	>	return f.thenAcceptAsync(a);
675	>	}
676	>	public <T,U> CompletableFuture<U> thenApply
677	>	(CompletableFuture<T> f, Function<? super T,U> a) {
678	>	return f.thenApplyAsync(a);
679	>	}
680	>	public <T,U> CompletableFuture<U> thenCompose
681	>	(CompletableFuture<T> f,
682	>	Function<? super T,? extends CompletionStage<U>> a) {
683	>	return f.thenComposeAsync(a);
684	>	}
685	>	public <T,U> CompletableFuture<U> handle
686	>	(CompletableFuture<T> f,
687	>	BiFunction<? super T,Throwable,? extends U> a) {
688	>	return f.handleAsync(a);
689	>	}
690	>	public <T> CompletableFuture<T> whenComplete
691	>	(CompletableFuture<T> f,
692	>	BiConsumer<? super T,? super Throwable> a) {
693	>	return f.whenCompleteAsync(a);
694	>	}
695	>	public <T,U> CompletableFuture<Void> runAfterBoth
696	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
697	>	return f.runAfterBothAsync(g, a);
698	>	}
699	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
700	>	(CompletableFuture<T> f,
701	>	CompletionStage<? extends U> g,
702	>	BiConsumer<? super T,? super U> a) {
703	>	return f.thenAcceptBothAsync(g, a);
704	>	}
705	>	public <T,U,V> CompletableFuture<V> thenCombine
706	>	(CompletableFuture<T> f,
707	>	CompletionStage<? extends U> g,
708	>	BiFunction<? super T,? super U,? extends V> a) {
709	>	return f.thenCombineAsync(g, a);
710	>	}
711	>	public <T> CompletableFuture<Void> runAfterEither
712	>	(CompletableFuture<T> f,
713	>	CompletionStage<?> g,
714	>	java.lang.Runnable a) {
715	>	return f.runAfterEitherAsync(g, a);
716	>	}
717	>	public <T> CompletableFuture<Void> acceptEither
718	>	(CompletableFuture<T> f,
719	>	CompletionStage<? extends T> g,
720	>	Consumer<? super T> a) {
721	>	return f.acceptEitherAsync(g, a);
722	>	}
723	>	public <T,U> CompletableFuture<U> applyToEither
724	>	(CompletableFuture<T> f,
725	>	CompletionStage<? extends T> g,
726	>	Function<? super T,U> a) {
727	>	return f.applyToEitherAsync(g, a);
728	>	}
729	>	},
730	>
731	>	EXECUTOR {
732	>	public void checkExecutionMode() {
733	>	assertTrue(ThreadExecutor.startedCurrentThread());
734	>	}
735	>	public CompletableFuture<Void> runAsync(Runnable a) {
736	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
737	>	}
738	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
739	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
740	>	}
741	>	public <T> CompletableFuture<Void> thenRun
742	>	(CompletableFuture<T> f, Runnable a) {
743	>	return f.thenRunAsync(a, new ThreadExecutor());
744	>	}
745	>	public <T> CompletableFuture<Void> thenAccept
746	>	(CompletableFuture<T> f, Consumer<? super T> a) {
747	>	return f.thenAcceptAsync(a, new ThreadExecutor());
748	>	}
749	>	public <T,U> CompletableFuture<U> thenApply
750	>	(CompletableFuture<T> f, Function<? super T,U> a) {
751	>	return f.thenApplyAsync(a, new ThreadExecutor());
752	>	}
753	>	public <T,U> CompletableFuture<U> thenCompose
754	>	(CompletableFuture<T> f,
755	>	Function<? super T,? extends CompletionStage<U>> a) {
756	>	return f.thenComposeAsync(a, new ThreadExecutor());
757	>	}
758	>	public <T,U> CompletableFuture<U> handle
759	>	(CompletableFuture<T> f,
760	>	BiFunction<? super T,Throwable,? extends U> a) {
761	>	return f.handleAsync(a, new ThreadExecutor());
762	>	}
763	>	public <T> CompletableFuture<T> whenComplete
764	>	(CompletableFuture<T> f,
765	>	BiConsumer<? super T,? super Throwable> a) {
766	>	return f.whenCompleteAsync(a, new ThreadExecutor());
767	>	}
768	>	public <T,U> CompletableFuture<Void> runAfterBoth
769	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
770	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
771	>	}
772	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
773	>	(CompletableFuture<T> f,
774	>	CompletionStage<? extends U> g,
775	>	BiConsumer<? super T,? super U> a) {
776	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
777	>	}
778	>	public <T,U,V> CompletableFuture<V> thenCombine
779	>	(CompletableFuture<T> f,
780	>	CompletionStage<? extends U> g,
781	>	BiFunction<? super T,? super U,? extends V> a) {
782	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
783	>	}
784	>	public <T> CompletableFuture<Void> runAfterEither
785	>	(CompletableFuture<T> f,
786	>	CompletionStage<?> g,
787	>	java.lang.Runnable a) {
788	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
789	>	}
790	>	public <T> CompletableFuture<Void> acceptEither
791	>	(CompletableFuture<T> f,
792	>	CompletionStage<? extends T> g,
793	>	Consumer<? super T> a) {
794	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
795	>	}
796	>	public <T,U> CompletableFuture<U> applyToEither
797	>	(CompletableFuture<T> f,
798	>	CompletionStage<? extends T> g,
799	>	Function<? super T,U> a) {
800	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
801	>	}
802	>	};
803
804	+	public abstract void checkExecutionMode();
805	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
806	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
807	+	public abstract <T> CompletableFuture<Void> thenRun
808	+	(CompletableFuture<T> f, Runnable a);
809	+	public abstract <T> CompletableFuture<Void> thenAccept
810	+	(CompletableFuture<T> f, Consumer<? super T> a);
811	+	public abstract <T,U> CompletableFuture<U> thenApply
812	+	(CompletableFuture<T> f, Function<? super T,U> a);
813	+	public abstract <T,U> CompletableFuture<U> thenCompose
814	+	(CompletableFuture<T> f,
815	+	Function<? super T,? extends CompletionStage<U>> a);
816	+	public abstract <T,U> CompletableFuture<U> handle
817	+	(CompletableFuture<T> f,
818	+	BiFunction<? super T,Throwable,? extends U> a);
819	+	public abstract <T> CompletableFuture<T> whenComplete
820	+	(CompletableFuture<T> f,
821	+	BiConsumer<? super T,? super Throwable> a);
822	+	public abstract <T,U> CompletableFuture<Void> runAfterBoth
823	+	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
824	+	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
825	+	(CompletableFuture<T> f,
826	+	CompletionStage<? extends U> g,
827	+	BiConsumer<? super T,? super U> a);
828	+	public abstract <T,U,V> CompletableFuture<V> thenCombine
829	+	(CompletableFuture<T> f,
830	+	CompletionStage<? extends U> g,
831	+	BiFunction<? super T,? super U,? extends V> a);
832	+	public abstract <T> CompletableFuture<Void> runAfterEither
833	+	(CompletableFuture<T> f,
834	+	CompletionStage<?> g,
835	+	java.lang.Runnable a);
836	+	public abstract <T> CompletableFuture<Void> acceptEither
837	+	(CompletableFuture<T> f,
838	+	CompletionStage<? extends T> g,
839	+	Consumer<? super T> a);
840	+	public abstract <T,U> CompletableFuture<U> applyToEither
841	+	(CompletableFuture<T> f,
842	+	CompletionStage<? extends T> g,
843	+	Function<? super T,U> a);
844	+	}
845	+
846	+	/**
847	+	* exceptionally action is not invoked when source completes
848	+	* normally, and source result is propagated
849	+	*/
850	+	public void testExceptionally_normalCompletion() {
851	+	for (boolean createIncomplete : new boolean[] { true, false })
852	+	for (Integer v1 : new Integer[] { 1, null })
853	+	{
854	+	final AtomicInteger a = new AtomicInteger(0);
855	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
856	+	if (!createIncomplete) assertTrue(f.complete(v1));
857	+	final CompletableFuture<Integer> g = f.exceptionally
858	+	((Throwable t) -> {
859	+	a.getAndIncrement();
860	+	threadFail("should not be called");
861	+	return null;            // unreached
862	+	});
863	+	if (createIncomplete) assertTrue(f.complete(v1));
864	+
865	+	checkCompletedNormally(g, v1);
866	+	checkCompletedNormally(f, v1);
867	+	assertEquals(0, a.get());
868	+	}}
869
870		/**
871		* exceptionally action completes with function value on source
872	<	* exception;  otherwise with source value
872	>	* exception
873		*/
874	<	public void testExceptionally() {
875	<	CompletableFuture<Integer> f = new CompletableFuture<>();
876	<	ExceptionToInteger r = new ExceptionToInteger();
877	<	CompletableFuture<Integer> g = f.exceptionally(r);
878	<	f.completeExceptionally(new CFException());
879	<	checkCompletedNormally(g, three);
874	>	public void testExceptionally_exceptionalCompletion() {
875	>	for (boolean createIncomplete : new boolean[] { true, false })
876	>	for (Integer v1 : new Integer[] { 1, null })
877	>	{
878	>	final AtomicInteger a = new AtomicInteger(0);
879	>	final CFException ex = new CFException();
880	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
881	>	if (!createIncomplete) f.completeExceptionally(ex);
882	>	final CompletableFuture<Integer> g = f.exceptionally
883	>	((Throwable t) -> {
884	>	ExecutionMode.SYNC.checkExecutionMode();
885	>	threadAssertSame(t, ex);
886	>	a.getAndIncrement();
887	>	return v1;
888	>	});
889	>	if (createIncomplete) f.completeExceptionally(ex);
890	>
891	>	checkCompletedNormally(g, v1);
892	>	assertEquals(1, a.get());
893	>	}}
894	>
895	>	/**
896	>	* If an "exceptionally action" throws an exception, it completes
897	>	* exceptionally with that exception
898	>	*/
899	>	public void testExceptionally_exceptionalCompletionActionFailed() {
900	>	for (boolean createIncomplete : new boolean[] { true, false })
901	>	{
902	>	final AtomicInteger a = new AtomicInteger(0);
903	>	final CFException ex1 = new CFException();
904	>	final CFException ex2 = new CFException();
905	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
906	>	if (!createIncomplete) f.completeExceptionally(ex1);
907	>	final CompletableFuture<Integer> g = f.exceptionally
908	>	((Throwable t) -> {
909	>	ExecutionMode.SYNC.checkExecutionMode();
910	>	threadAssertSame(t, ex1);
911	>	a.getAndIncrement();
912	>	throw ex2;
913	>	});
914	>	if (createIncomplete) f.completeExceptionally(ex1);
915	>
916	>	checkCompletedWithWrappedException(g, ex2);
917	>	checkCompletedExceptionally(f, ex1);
918	>	assertEquals(1, a.get());
919	>	}}
920	>
921	>	/**
922	>	* whenComplete action executes on normal completion, propagating
923	>	* source result.
924	>	*/
925	>	public void testWhenComplete_normalCompletion() {
926	>	for (ExecutionMode m : ExecutionMode.values())
927	>	for (boolean createIncomplete : new boolean[] { true, false })
928	>	for (Integer v1 : new Integer[] { 1, null })
929	>	{
930	>	final AtomicInteger a = new AtomicInteger(0);
931	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
932	>	if (!createIncomplete) assertTrue(f.complete(v1));
933	>	final CompletableFuture<Integer> g = m.whenComplete
934	>	(f,
935	>	(Integer result, Throwable t) -> {
936	>	m.checkExecutionMode();
937	>	threadAssertSame(result, v1);
938	>	threadAssertNull(t);
939	>	a.getAndIncrement();
940	>	});
941	>	if (createIncomplete) assertTrue(f.complete(v1));
942	>
943	>	checkCompletedNormally(g, v1);
944	>	checkCompletedNormally(f, v1);
945	>	assertEquals(1, a.get());
946	>	}}
947	>
948	>	/**
949	>	* whenComplete action executes on exceptional completion, propagating
950	>	* source result.
951	>	*/
952	>	public void testWhenComplete_exceptionalCompletion() {
953	>	for (ExecutionMode m : ExecutionMode.values())
954	>	for (boolean createIncomplete : new boolean[] { true, false })
955	>	{
956	>	final AtomicInteger a = new AtomicInteger(0);
957	>	final CFException ex = new CFException();
958	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
959	>	if (!createIncomplete) f.completeExceptionally(ex);
960	>	final CompletableFuture<Integer> g = m.whenComplete
961	>	(f,
962	>	(Integer result, Throwable t) -> {
963	>	m.checkExecutionMode();
964	>	threadAssertNull(result);
965	>	threadAssertSame(t, ex);
966	>	a.getAndIncrement();
967	>	});
968	>	if (createIncomplete) f.completeExceptionally(ex);
969	>
970	>	checkCompletedWithWrappedException(g, ex);
971	>	checkCompletedExceptionally(f, ex);
972	>	assertEquals(1, a.get());
973	>	}}
974	>
975	>	/**
976	>	* whenComplete action executes on cancelled source, propagating
977	>	* CancellationException.
978	>	*/
979	>	public void testWhenComplete_sourceCancelled() {
980	>	for (ExecutionMode m : ExecutionMode.values())
981	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
982	>	for (boolean createIncomplete : new boolean[] { true, false })
983	>	{
984	>	final AtomicInteger a = new AtomicInteger(0);
985	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
986	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
987	>	final CompletableFuture<Integer> g = m.whenComplete
988	>	(f,
989	>	(Integer result, Throwable t) -> {
990	>	m.checkExecutionMode();
991	>	threadAssertNull(result);
992	>	threadAssertTrue(t instanceof CancellationException);
993	>	a.getAndIncrement();
994	>	});
995	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
996
997	<	f = new CompletableFuture<>();
998	<	r = new ExceptionToInteger();
999	<	g = f.exceptionally(r);
1000	<	f.complete(one);
390	<	checkCompletedNormally(g, one);
391	<	}
997	>	checkCompletedWithWrappedCancellationException(g);
998	>	checkCancelled(f);
999	>	assertEquals(1, a.get());
1000	>	}}
1001
1002		/**
1003	<	* handle action completes normally with function value on either
1004	<	* normal or exceptional completion of source
1003	>	* If a whenComplete action throws an exception when triggered by
1004	>	* a normal completion, it completes exceptionally
1005		*/
1006	<	public void testHandle() {
1007	<	CompletableFuture<Integer> f, g;
1008	<	IntegerHandler r;
1009	<
1010	<	f = new CompletableFuture<>();
1011	<	f.completeExceptionally(new CFException());
1012	<	g = f.handle(r = new IntegerHandler());
1013	<	assertTrue(r.ran);
1014	<	checkCompletedNormally(g, three);
1006	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1007	>	for (boolean createIncomplete : new boolean[] { true, false })
1008	>	for (ExecutionMode m : ExecutionMode.values())
1009	>	for (Integer v1 : new Integer[] { 1, null })
1010	>	{
1011	>	final AtomicInteger a = new AtomicInteger(0);
1012	>	final CFException ex = new CFException();
1013	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1014	>	if (!createIncomplete) assertTrue(f.complete(v1));
1015	>	final CompletableFuture<Integer> g = m.whenComplete
1016	>	(f,
1017	>	(Integer result, Throwable t) -> {
1018	>	m.checkExecutionMode();
1019	>	threadAssertSame(result, v1);
1020	>	threadAssertNull(t);
1021	>	a.getAndIncrement();
1022	>	throw ex;
1023	>	});
1024	>	if (createIncomplete) assertTrue(f.complete(v1));
1025	>
1026	>	checkCompletedWithWrappedException(g, ex);
1027	>	checkCompletedNormally(f, v1);
1028	>	assertEquals(1, a.get());
1029	>	}}
1030	>
1031	>	/**
1032	>	* If a whenComplete action throws an exception when triggered by
1033	>	* a source completion that also throws an exception, the source
1034	>	* exception takes precedence (unlike handle)
1035	>	*/
1036	>	public void testWhenComplete_sourceFailedActionFailed() {
1037	>	for (boolean createIncomplete : new boolean[] { true, false })
1038	>	for (ExecutionMode m : ExecutionMode.values())
1039	>	{
1040	>	final AtomicInteger a = new AtomicInteger(0);
1041	>	final CFException ex1 = new CFException();
1042	>	final CFException ex2 = new CFException();
1043	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1044	>
1045	>	if (!createIncomplete) f.completeExceptionally(ex1);
1046	>	final CompletableFuture<Integer> g = m.whenComplete
1047	>	(f,
1048	>	(Integer result, Throwable t) -> {
1049	>	m.checkExecutionMode();
1050	>	threadAssertSame(t, ex1);
1051	>	threadAssertNull(result);
1052	>	a.getAndIncrement();
1053	>	throw ex2;
1054	>	});
1055	>	if (createIncomplete) f.completeExceptionally(ex1);
1056	>
1057	>	checkCompletedWithWrappedException(g, ex1);
1058	>	checkCompletedExceptionally(f, ex1);
1059	>	if (testImplementationDetails) {
1060	>	assertEquals(1, ex1.getSuppressed().length);
1061	>	assertSame(ex2, ex1.getSuppressed()[0]);
1062	>	}
1063	>	assertEquals(1, a.get());
1064	>	}}
1065
1066	<	f = new CompletableFuture<>();
1067	<	g = f.handle(r = new IntegerHandler());
1068	<	assertFalse(r.ran);
1069	<	f.completeExceptionally(new CFException());
1070	<	checkCompletedNormally(g, three);
1071	<	assertTrue(r.ran);
1066	>	/**
1067	>	* handle action completes normally with function value on normal
1068	>	* completion of source
1069	>	*/
1070	>	public void testHandle_normalCompletion() {
1071	>	for (ExecutionMode m : ExecutionMode.values())
1072	>	for (boolean createIncomplete : new boolean[] { true, false })
1073	>	for (Integer v1 : new Integer[] { 1, null })
1074	>	{
1075	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1076	>	final AtomicInteger a = new AtomicInteger(0);
1077	>	if (!createIncomplete) assertTrue(f.complete(v1));
1078	>	final CompletableFuture<Integer> g = m.handle
1079	>	(f,
1080	>	(Integer result, Throwable t) -> {
1081	>	m.checkExecutionMode();
1082	>	threadAssertSame(result, v1);
1083	>	threadAssertNull(t);
1084	>	a.getAndIncrement();
1085	>	return inc(v1);
1086	>	});
1087	>	if (createIncomplete) assertTrue(f.complete(v1));
1088	>
1089	>	checkCompletedNormally(g, inc(v1));
1090	>	checkCompletedNormally(f, v1);
1091	>	assertEquals(1, a.get());
1092	>	}}
1093
1094	<	f = new CompletableFuture<>();
1095	<	f.complete(one);
1096	<	g = f.handle(r = new IntegerHandler());
1097	<	assertTrue(r.ran);
1098	<	checkCompletedNormally(g, two);
1094	>	/**
1095	>	* handle action completes normally with function value on
1096	>	* exceptional completion of source
1097	>	*/
1098	>	public void testHandle_exceptionalCompletion() {
1099	>	for (ExecutionMode m : ExecutionMode.values())
1100	>	for (boolean createIncomplete : new boolean[] { true, false })
1101	>	for (Integer v1 : new Integer[] { 1, null })
1102	>	{
1103	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1104	>	final AtomicInteger a = new AtomicInteger(0);
1105	>	final CFException ex = new CFException();
1106	>	if (!createIncomplete) f.completeExceptionally(ex);
1107	>	final CompletableFuture<Integer> g = m.handle
1108	>	(f,
1109	>	(Integer result, Throwable t) -> {
1110	>	m.checkExecutionMode();
1111	>	threadAssertNull(result);
1112	>	threadAssertSame(t, ex);
1113	>	a.getAndIncrement();
1114	>	return v1;
1115	>	});
1116	>	if (createIncomplete) f.completeExceptionally(ex);
1117	>
1118	>	checkCompletedNormally(g, v1);
1119	>	checkCompletedExceptionally(f, ex);
1120	>	assertEquals(1, a.get());
1121	>	}}
1122	>
1123	>	/**
1124	>	* handle action completes normally with function value on
1125	>	* cancelled source
1126	>	*/
1127	>	public void testHandle_sourceCancelled() {
1128	>	for (ExecutionMode m : ExecutionMode.values())
1129	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1130	>	for (boolean createIncomplete : new boolean[] { true, false })
1131	>	for (Integer v1 : new Integer[] { 1, null })
1132	>	{
1133	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1134	>	final AtomicInteger a = new AtomicInteger(0);
1135	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1136	>	final CompletableFuture<Integer> g = m.handle
1137	>	(f,
1138	>	(Integer result, Throwable t) -> {
1139	>	m.checkExecutionMode();
1140	>	threadAssertNull(result);
1141	>	threadAssertTrue(t instanceof CancellationException);
1142	>	a.getAndIncrement();
1143	>	return v1;
1144	>	});
1145	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1146
1147	<	f = new CompletableFuture<>();
1148	<	g = f.handle(r = new IntegerHandler());
1149	<	assertFalse(r.ran);
1150	<	f.complete(one);
424	<	assertTrue(r.ran);
425	<	checkCompletedNormally(g, two);
426	<	}
1147	>	checkCompletedNormally(g, v1);
1148	>	checkCancelled(f);
1149	>	assertEquals(1, a.get());
1150	>	}}
1151
1152		/**
1153	<	* runAsync completes after running Runnable
1153	>	* If a "handle action" throws an exception when triggered by
1154	>	* a normal completion, it completes exceptionally
1155		*/
1156	<	public void testRunAsync() {
1157	<	Noop r = new Noop();
1158	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1159	<	assertNull(f.join());
1160	<	assertTrue(r.ran);
1161	<	checkCompletedNormally(f, null);
1162	<	}
1156	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1157	>	for (ExecutionMode m : ExecutionMode.values())
1158	>	for (boolean createIncomplete : new boolean[] { true, false })
1159	>	for (Integer v1 : new Integer[] { 1, null })
1160	>	{
1161	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1162	>	final AtomicInteger a = new AtomicInteger(0);
1163	>	final CFException ex = new CFException();
1164	>	if (!createIncomplete) assertTrue(f.complete(v1));
1165	>	final CompletableFuture<Integer> g = m.handle
1166	>	(f,
1167	>	(Integer result, Throwable t) -> {
1168	>	m.checkExecutionMode();
1169	>	threadAssertSame(result, v1);
1170	>	threadAssertNull(t);
1171	>	a.getAndIncrement();
1172	>	throw ex;
1173	>	});
1174	>	if (createIncomplete) assertTrue(f.complete(v1));
1175	>
1176	>	checkCompletedWithWrappedException(g, ex);
1177	>	checkCompletedNormally(f, v1);
1178	>	assertEquals(1, a.get());
1179	>	}}
1180	>
1181	>	/**
1182	>	* If a "handle action" throws an exception when triggered by
1183	>	* a source completion that also throws an exception, the action
1184	>	* exception takes precedence (unlike whenComplete)
1185	>	*/
1186	>	public void testHandle_sourceFailedActionFailed() {
1187	>	for (boolean createIncomplete : new boolean[] { true, false })
1188	>	for (ExecutionMode m : ExecutionMode.values())
1189	>	{
1190	>	final AtomicInteger a = new AtomicInteger(0);
1191	>	final CFException ex1 = new CFException();
1192	>	final CFException ex2 = new CFException();
1193	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1194	>
1195	>	if (!createIncomplete) f.completeExceptionally(ex1);
1196	>	final CompletableFuture<Integer> g = m.handle
1197	>	(f,
1198	>	(Integer result, Throwable t) -> {
1199	>	m.checkExecutionMode();
1200	>	threadAssertNull(result);
1201	>	threadAssertSame(ex1, t);
1202	>	a.getAndIncrement();
1203	>	throw ex2;
1204	>	});
1205	>	if (createIncomplete) f.completeExceptionally(ex1);
1206	>
1207	>	checkCompletedWithWrappedException(g, ex2);
1208	>	checkCompletedExceptionally(f, ex1);
1209	>	assertEquals(1, a.get());
1210	>	}}
1211
1212		/**
1213	<	* runAsync with executor completes after running Runnable
1213	>	* runAsync completes after running Runnable
1214		*/
1215	<	public void testRunAsync2() {
1216	<	Noop r = new Noop();
1217	<	ThreadExecutor exec = new ThreadExecutor();
1218	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
1215	>	public void testRunAsync_normalCompletion() {
1216	>	ExecutionMode[] executionModes = {
1217	>	ExecutionMode.ASYNC,
1218	>	ExecutionMode.EXECUTOR,
1219	>	};
1220	>	for (ExecutionMode m : executionModes)
1221	>	{
1222	>	final Noop r = new Noop(m);
1223	>	final CompletableFuture<Void> f = m.runAsync(r);
1224		assertNull(f.join());
447	–	assertTrue(r.ran);
1225		checkCompletedNormally(f, null);
1226	<	assertEquals(1, exec.count.get());
1227	<	}
1226	>	r.assertInvoked();
1227	>	}}
1228
1229		/**
1230		* failing runAsync completes exceptionally after running Runnable
1231		*/
1232	<	public void testRunAsync3() {
1233	<	FailingNoop r = new FailingNoop();
1234	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1235	<	checkCompletedWithWrappedCFException(f);
1236	<	assertTrue(r.ran);
1237	<	}
1232	>	public void testRunAsync_exceptionalCompletion() {
1233	>	ExecutionMode[] executionModes = {
1234	>	ExecutionMode.ASYNC,
1235	>	ExecutionMode.EXECUTOR,
1236	>	};
1237	>	for (ExecutionMode m : executionModes)
1238	>	{
1239	>	final FailingRunnable r = new FailingRunnable(m);
1240	>	final CompletableFuture<Void> f = m.runAsync(r);
1241	>	checkCompletedWithWrappedException(f, r.ex);
1242	>	r.assertInvoked();
1243	>	}}
1244
1245	<	/**
1246	<	* supplyAsync completes with result of supplier
1247	<	*/
1248	<	public void testSupplyAsync() {
1249	<	CompletableFuture<Integer> f;
1250	<	f = CompletableFuture.supplyAsync(supplyOne);
1251	<	assertEquals(f.join(), one);
1252	<	checkCompletedNormally(f, one);
1245	>	public void testRunAsync_rejectingExecutor() {
1246	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1247	>	try {
1248	>	CompletableFuture.runAsync(() -> {}, e);
1249	>	shouldThrow();
1250	>	} catch (Throwable t) {
1251	>	assertSame(e.ex, t);
1252	>	}
1253	>
1254	>	assertEquals(1, e.count.get());
1255		}
1256
1257		/**
1258	<	* supplyAsync with executor completes with result of supplier
1258	>	* supplyAsync completes with result of supplier
1259		*/
1260	<	public void testSupplyAsync2() {
1261	<	CompletableFuture<Integer> f;
1262	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1263	<	assertEquals(f.join(), one);
1264	<	checkCompletedNormally(f, one);
1265	<	}
1260	>	public void testSupplyAsync_normalCompletion() {
1261	>	ExecutionMode[] executionModes = {
1262	>	ExecutionMode.ASYNC,
1263	>	ExecutionMode.EXECUTOR,
1264	>	};
1265	>	for (ExecutionMode m : executionModes)
1266	>	for (Integer v1 : new Integer[] { 1, null })
1267	>	{
1268	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1269	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1270	>	assertSame(v1, f.join());
1271	>	checkCompletedNormally(f, v1);
1272	>	r.assertInvoked();
1273	>	}}
1274
1275		/**
1276		* Failing supplyAsync completes exceptionally
1277		*/
1278	<	public void testSupplyAsync3() {
1279	<	FailingSupplier r = new FailingSupplier();
1280	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1281	<	checkCompletedWithWrappedCFException(f);
1282	<	assertTrue(r.ran);
1278	>	public void testSupplyAsync_exceptionalCompletion() {
1279	>	ExecutionMode[] executionModes = {
1280	>	ExecutionMode.ASYNC,
1281	>	ExecutionMode.EXECUTOR,
1282	>	};
1283	>	for (ExecutionMode m : executionModes)
1284	>	{
1285	>	FailingSupplier r = new FailingSupplier(m);
1286	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1287	>	checkCompletedWithWrappedException(f, r.ex);
1288	>	r.assertInvoked();
1289	>	}}
1290	>
1291	>	public void testSupplyAsync_rejectingExecutor() {
1292	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1293	>	try {
1294	>	CompletableFuture.supplyAsync(() -> null, e);
1295	>	shouldThrow();
1296	>	} catch (Throwable t) {
1297	>	assertSame(e.ex, t);
1298	>	}
1299	>
1300	>	assertEquals(1, e.count.get());
1301		}
1302
1303		// seq completion methods
#	Line 494 | Line 1305 | public class CompletableFutureTest exten
1305		/**
1306		* thenRun result completes normally after normal completion of source
1307		*/
1308	<	public void testThenRun() {
1309	<	CompletableFuture<Integer> f;
1310	<	CompletableFuture<Void> g;
1311	<	Noop r;
1312	<
1313	<	f = new CompletableFuture<>();
1314	<	g = f.thenRun(r = new Noop());
1315	<	f.complete(null);
1316	<	checkCompletedNormally(g, null);
1317	<	assertTrue(r.ran);
1318	<
1319	<	f = new CompletableFuture<>();
1320	<	f.complete(null);
1321	<	g = f.thenRun(r = new Noop());
1322	<	checkCompletedNormally(g, null);
1323	<	assertTrue(r.ran);
1324	<	}
1308	>	public void testThenRun_normalCompletion() {
1309	>	for (ExecutionMode m : ExecutionMode.values())
1310	>	for (Integer v1 : new Integer[] { 1, null })
1311	>	{
1312	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1313	>	final Noop[] rs = new Noop[6];
1314	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1315	>
1316	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1317	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1318	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1319	>	checkIncomplete(h0);
1320	>	checkIncomplete(h1);
1321	>	checkIncomplete(h2);
1322	>	assertTrue(f.complete(v1));
1323	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1324	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1325	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1326	>
1327	>	checkCompletedNormally(h0, null);
1328	>	checkCompletedNormally(h1, null);
1329	>	checkCompletedNormally(h2, null);
1330	>	checkCompletedNormally(h3, null);
1331	>	checkCompletedNormally(h4, null);
1332	>	checkCompletedNormally(h5, null);
1333	>	checkCompletedNormally(f, v1);
1334	>	for (Noop r : rs) r.assertInvoked();
1335	>	}}
1336
1337		/**
1338		* thenRun result completes exceptionally after exceptional
1339		* completion of source
1340		*/
1341	<	public void testThenRun2() {
1342	<	CompletableFuture<Integer> f;
1343	<	CompletableFuture<Void> g;
1344	<	Noop r;
1345	<
1346	<	f = new CompletableFuture<>();
1347	<	g = f.thenRun(r = new Noop());
1348	<	f.completeExceptionally(new CFException());
1349	<	checkCompletedWithWrappedCFException(g);
1350	<	assertFalse(r.ran);
1351	<
1352	<	f = new CompletableFuture<>();
1353	<	f.completeExceptionally(new CFException());
1354	<	g = f.thenRun(r = new Noop());
1355	<	checkCompletedWithWrappedCFException(g);
1356	<	assertFalse(r.ran);
1357	<	}
1341	>	public void testThenRun_exceptionalCompletion() {
1342	>	for (ExecutionMode m : ExecutionMode.values())
1343	>	{
1344	>	final CFException ex = new CFException();
1345	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1346	>	final Noop[] rs = new Noop[6];
1347	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1348	>
1349	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1350	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1351	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1352	>	checkIncomplete(h0);
1353	>	checkIncomplete(h1);
1354	>	checkIncomplete(h2);
1355	>	assertTrue(f.completeExceptionally(ex));
1356	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1357	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1358	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1359	>
1360	>	checkCompletedWithWrappedException(h0, ex);
1361	>	checkCompletedWithWrappedException(h1, ex);
1362	>	checkCompletedWithWrappedException(h2, ex);
1363	>	checkCompletedWithWrappedException(h3, ex);
1364	>	checkCompletedWithWrappedException(h4, ex);
1365	>	checkCompletedWithWrappedException(h5, ex);
1366	>	checkCompletedExceptionally(f, ex);
1367	>	for (Noop r : rs) r.assertNotInvoked();
1368	>	}}
1369
1370		/**
1371	<	* thenRun result completes exceptionally if action does
1371	>	* thenRun result completes exceptionally if source cancelled
1372		*/
1373	<	public void testThenRun3() {
1374	<	CompletableFuture<Integer> f;
1375	<	CompletableFuture<Void> g;
1376	<	FailingNoop r;
1377	<
1378	<	f = new CompletableFuture<>();
1379	<	g = f.thenRun(r = new FailingNoop());
1380	<	f.complete(null);
1381	<	checkCompletedWithWrappedCFException(g);
1382	<
1383	<	f = new CompletableFuture<>();
1384	<	f.complete(null);
1385	<	g = f.thenRun(r = new FailingNoop());
1386	<	checkCompletedWithWrappedCFException(g);
1387	<	}
1373	>	public void testThenRun_sourceCancelled() {
1374	>	for (ExecutionMode m : ExecutionMode.values())
1375	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1376	>	{
1377	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1378	>	final Noop[] rs = new Noop[6];
1379	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1380	>
1381	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1382	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1383	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1384	>	checkIncomplete(h0);
1385	>	checkIncomplete(h1);
1386	>	checkIncomplete(h2);
1387	>	assertTrue(f.cancel(mayInterruptIfRunning));
1388	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1389	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1390	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1391	>
1392	>	checkCompletedWithWrappedCancellationException(h0);
1393	>	checkCompletedWithWrappedCancellationException(h1);
1394	>	checkCompletedWithWrappedCancellationException(h2);
1395	>	checkCompletedWithWrappedCancellationException(h3);
1396	>	checkCompletedWithWrappedCancellationException(h4);
1397	>	checkCompletedWithWrappedCancellationException(h5);
1398	>	checkCancelled(f);
1399	>	for (Noop r : rs) r.assertNotInvoked();
1400	>	}}
1401
1402		/**
1403	<	* thenRun result completes exceptionally if source cancelled
1403	>	* thenRun result completes exceptionally if action does
1404		*/
1405	<	public void testThenRun4() {
1406	<	CompletableFuture<Integer> f;
1407	<	CompletableFuture<Void> g;
1408	<	Noop r;
1409	<
1410	<	f = new CompletableFuture<>();
1411	<	g = f.thenRun(r = new Noop());
1412	<	assertTrue(f.cancel(true));
1413	<	checkCompletedWithWrappedCancellationException(g);
1414	<
1415	<	f = new CompletableFuture<>();
1416	<	assertTrue(f.cancel(true));
1417	<	g = f.thenRun(r = new Noop());
1418	<	checkCompletedWithWrappedCancellationException(g);
1419	<	}
1405	>	public void testThenRun_actionFailed() {
1406	>	for (ExecutionMode m : ExecutionMode.values())
1407	>	for (Integer v1 : new Integer[] { 1, null })
1408	>	{
1409	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1410	>	final FailingRunnable[] rs = new FailingRunnable[6];
1411	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1412	>
1413	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1414	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1415	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1416	>	assertTrue(f.complete(v1));
1417	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1418	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1419	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1420	>
1421	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1422	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1423	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1424	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1425	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1426	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1427	>	checkCompletedNormally(f, v1);
1428	>	}}
1429
1430		/**
1431		* thenApply result completes normally after normal completion of source
1432		*/
1433	<	public void testThenApply() {
1434	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1435	<	CompletableFuture<Integer> g = f.thenApply(inc);
1436	<	f.complete(one);
1437	<	checkCompletedNormally(g, two);
1438	<	}
1433	>	public void testThenApply_normalCompletion() {
1434	>	for (ExecutionMode m : ExecutionMode.values())
1435	>	for (Integer v1 : new Integer[] { 1, null })
1436	>	{
1437	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1438	>	final IncFunction[] rs = new IncFunction[4];
1439	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1440	>
1441	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1442	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1443	>	checkIncomplete(h0);
1444	>	checkIncomplete(h1);
1445	>	assertTrue(f.complete(v1));
1446	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1447	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1448	>
1449	>	checkCompletedNormally(h0, inc(v1));
1450	>	checkCompletedNormally(h1, inc(v1));
1451	>	checkCompletedNormally(h2, inc(v1));
1452	>	checkCompletedNormally(h3, inc(v1));
1453	>	checkCompletedNormally(f, v1);
1454	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1455	>	}}
1456
1457		/**
1458		* thenApply result completes exceptionally after exceptional
1459		* completion of source
1460		*/
1461	<	public void testThenApply2() {
1462	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1463	<	CompletableFuture<Integer> g = f.thenApply(inc);
1464	<	f.completeExceptionally(new CFException());
1465	<	checkCompletedWithWrappedCFException(g);
1466	<	}
1461	>	public void testThenApply_exceptionalCompletion() {
1462	>	for (ExecutionMode m : ExecutionMode.values())
1463	>	{
1464	>	final CFException ex = new CFException();
1465	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1466	>	final IncFunction[] rs = new IncFunction[4];
1467	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1468	>
1469	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1470	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1471	>	assertTrue(f.completeExceptionally(ex));
1472	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1473	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1474	>
1475	>	checkCompletedWithWrappedException(h0, ex);
1476	>	checkCompletedWithWrappedException(h1, ex);
1477	>	checkCompletedWithWrappedException(h2, ex);
1478	>	checkCompletedWithWrappedException(h3, ex);
1479	>	checkCompletedExceptionally(f, ex);
1480	>	for (IncFunction r : rs) r.assertNotInvoked();
1481	>	}}
1482
1483		/**
1484	<	* thenApply result completes exceptionally if action does
1484	>	* thenApply result completes exceptionally if source cancelled
1485		*/
1486	<	public void testThenApply3() {
1487	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1488	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1489	<	f.complete(one);
1490	<	checkCompletedWithWrappedCFException(g);
1491	<	}
1486	>	public void testThenApply_sourceCancelled() {
1487	>	for (ExecutionMode m : ExecutionMode.values())
1488	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1489	>	{
1490	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1491	>	final IncFunction[] rs = new IncFunction[4];
1492	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1493	>
1494	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1495	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1496	>	assertTrue(f.cancel(mayInterruptIfRunning));
1497	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1498	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1499	>
1500	>	checkCompletedWithWrappedCancellationException(h0);
1501	>	checkCompletedWithWrappedCancellationException(h1);
1502	>	checkCompletedWithWrappedCancellationException(h2);
1503	>	checkCompletedWithWrappedCancellationException(h3);
1504	>	checkCancelled(f);
1505	>	for (IncFunction r : rs) r.assertNotInvoked();
1506	>	}}
1507
1508		/**
1509	<	* thenApply result completes exceptionally if source cancelled
1509	>	* thenApply result completes exceptionally if action does
1510		*/
1511	<	public void testThenApply4() {
1512	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1513	<	CompletableFuture<Integer> g = f.thenApply(inc);
1514	<	assertTrue(f.cancel(true));
1515	<	checkCompletedWithWrappedCancellationException(g);
1516	<	}
1511	>	public void testThenApply_actionFailed() {
1512	>	for (ExecutionMode m : ExecutionMode.values())
1513	>	for (Integer v1 : new Integer[] { 1, null })
1514	>	{
1515	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1516	>	final FailingFunction[] rs = new FailingFunction[4];
1517	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1518	>
1519	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1520	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1521	>	assertTrue(f.complete(v1));
1522	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1523	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1524	>
1525	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1526	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1527	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1528	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1529	>	checkCompletedNormally(f, v1);
1530	>	}}
1531
1532		/**
1533		* thenAccept result completes normally after normal completion of source
1534		*/
1535	<	public void testThenAccept() {
1536	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1537	<	IncAction r = new IncAction();
1538	<	CompletableFuture<Void> g = f.thenAccept(r);
1539	<	f.complete(one);
1540	<	checkCompletedNormally(g, null);
1541	<	assertEquals(r.value, 2);
1542	<	}
1535	>	public void testThenAccept_normalCompletion() {
1536	>	for (ExecutionMode m : ExecutionMode.values())
1537	>	for (Integer v1 : new Integer[] { 1, null })
1538	>	{
1539	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1540	>	final NoopConsumer[] rs = new NoopConsumer[4];
1541	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1542	>
1543	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1544	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1545	>	checkIncomplete(h0);
1546	>	checkIncomplete(h1);
1547	>	assertTrue(f.complete(v1));
1548	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1549	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1550	>
1551	>	checkCompletedNormally(h0, null);
1552	>	checkCompletedNormally(h1, null);
1553	>	checkCompletedNormally(h2, null);
1554	>	checkCompletedNormally(h3, null);
1555	>	checkCompletedNormally(f, v1);
1556	>	for (NoopConsumer r : rs) r.assertValue(v1);
1557	>	}}
1558
1559		/**
1560		* thenAccept result completes exceptionally after exceptional
1561		* completion of source
1562		*/
1563	<	public void testThenAccept2() {
1564	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1565	<	IncAction r = new IncAction();
1566	<	CompletableFuture<Void> g = f.thenAccept(r);
1567	<	f.completeExceptionally(new CFException());
1568	<	checkCompletedWithWrappedCFException(g);
1569	<	}
1563	>	public void testThenAccept_exceptionalCompletion() {
1564	>	for (ExecutionMode m : ExecutionMode.values())
1565	>	{
1566	>	final CFException ex = new CFException();
1567	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1568	>	final NoopConsumer[] rs = new NoopConsumer[4];
1569	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1570	>
1571	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1572	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1573	>	assertTrue(f.completeExceptionally(ex));
1574	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1575	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1576	>
1577	>	checkCompletedWithWrappedException(h0, ex);
1578	>	checkCompletedWithWrappedException(h1, ex);
1579	>	checkCompletedWithWrappedException(h2, ex);
1580	>	checkCompletedWithWrappedException(h3, ex);
1581	>	checkCompletedExceptionally(f, ex);
1582	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1583	>	}}
1584
1585		/**
1586	<	* thenAccept result completes exceptionally if action does
1586	>	* thenAccept result completes exceptionally if source cancelled
1587		*/
1588	<	public void testThenAccept3() {
1589	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1590	<	FailingConsumer r = new FailingConsumer();
1591	<	CompletableFuture<Void> g = f.thenAccept(r);
1592	<	f.complete(one);
1593	<	checkCompletedWithWrappedCFException(g);
1594	<	assertTrue(r.ran);
1595	<	}
1588	>	public void testThenAccept_sourceCancelled() {
1589	>	for (ExecutionMode m : ExecutionMode.values())
1590	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1591	>	{
1592	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1593	>	final NoopConsumer[] rs = new NoopConsumer[4];
1594	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1595	>
1596	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1597	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1598	>	assertTrue(f.cancel(mayInterruptIfRunning));
1599	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1600	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1601	>
1602	>	checkCompletedWithWrappedCancellationException(h0);
1603	>	checkCompletedWithWrappedCancellationException(h1);
1604	>	checkCompletedWithWrappedCancellationException(h2);
1605	>	checkCompletedWithWrappedCancellationException(h3);
1606	>	checkCancelled(f);
1607	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1608	>	}}
1609
1610		/**
1611	<	* thenAccept result completes exceptionally if source cancelled
1611	>	* thenAccept result completes exceptionally if action does
1612		*/
1613	<	public void testThenAccept4() {
1614	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1615	<	IncAction r = new IncAction();
1616	<	CompletableFuture<Void> g = f.thenAccept(r);
1617	<	assertTrue(f.cancel(true));
1618	<	checkCompletedWithWrappedCancellationException(g);
1619	<	}
1620	<
1613	>	public void testThenAccept_actionFailed() {
1614	>	for (ExecutionMode m : ExecutionMode.values())
1615	>	for (Integer v1 : new Integer[] { 1, null })
1616	>	{
1617	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1618	>	final FailingConsumer[] rs = new FailingConsumer[4];
1619	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1620	>
1621	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1622	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1623	>	assertTrue(f.complete(v1));
1624	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1625	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1626	>
1627	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1628	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1629	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1630	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1631	>	checkCompletedNormally(f, v1);
1632	>	}}
1633
1634		/**
1635		* thenCombine result completes normally after normal completion
1636		* of sources
1637		*/
1638	<	public void testThenCombine() {
1639	<	CompletableFuture<Integer> f, g, h;
1640	<
1641	<	f = new CompletableFuture<>();
1642	<	g = new CompletableFuture<>();
1643	<	h = f.thenCombine(g, subtract);
1644	<	f.complete(3);
1645	<	checkIncomplete(h);
1646	<	g.complete(1);
1647	<	checkCompletedNormally(h, 2);
1648	<
1649	<	f = new CompletableFuture<>();
1650	<	g = new CompletableFuture<>();
1651	<	h = f.thenCombine(g, subtract);
1652	<	g.complete(1);
1653	<	checkIncomplete(h);
1654	<	f.complete(3);
1655	<	checkCompletedNormally(h, 2);
1656	<
1657	<	f = new CompletableFuture<>();
1658	<	g = new CompletableFuture<>();
1659	<	g.complete(1);
1660	<	f.complete(3);
1661	<	h = f.thenCombine(g, subtract);
1662	<	checkCompletedNormally(h, 2);
1663	<	}
1638	>	public void testThenCombine_normalCompletion() {
1639	>	for (ExecutionMode m : ExecutionMode.values())
1640	>	for (boolean fFirst : new boolean[] { true, false })
1641	>	for (Integer v1 : new Integer[] { 1, null })
1642	>	for (Integer v2 : new Integer[] { 2, null })
1643	>	{
1644	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1645	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1646	>	final SubtractFunction[] rs = new SubtractFunction[6];
1647	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1648	>
1649	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1650	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1651	>	final Integer w1 =  fFirst ? v1 : v2;
1652	>	final Integer w2 = !fFirst ? v1 : v2;
1653	>
1654	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1655	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1656	>	assertTrue(fst.complete(w1));
1657	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1658	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1659	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1660	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1661	>	checkCompletedNormally(h1, subtract(w1, w1));
1662	>	checkCompletedNormally(h3, subtract(w1, w1));
1663	>	rs[1].assertValue(subtract(w1, w1));
1664	>	rs[3].assertValue(subtract(w1, w1));
1665	>	assertTrue(snd.complete(w2));
1666	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1667	>
1668	>	checkCompletedNormally(h0, subtract(v1, v2));
1669	>	checkCompletedNormally(h2, subtract(v1, v2));
1670	>	checkCompletedNormally(h4, subtract(v1, v2));
1671	>	rs[0].assertValue(subtract(v1, v2));
1672	>	rs[2].assertValue(subtract(v1, v2));
1673	>	rs[4].assertValue(subtract(v1, v2));
1674	>
1675	>	checkCompletedNormally(f, v1);
1676	>	checkCompletedNormally(g, v2);
1677	>	}}
1678
1679		/**
1680		* thenCombine result completes exceptionally after exceptional
1681		* completion of either source
1682		*/
1683	<	public void testThenCombine2() {
1684	<	CompletableFuture<Integer> f, g, h;
1685	<
1686	<	f = new CompletableFuture<>();
1687	<	g = new CompletableFuture<>();
1688	<	h = f.thenCombine(g, subtract);
1689	<	f.completeExceptionally(new CFException());
1690	<	checkIncomplete(h);
1691	<	g.complete(1);
1692	<	checkCompletedWithWrappedCFException(h);
1693	<
1694	<	f = new CompletableFuture<>();
1695	<	g = new CompletableFuture<>();
1696	<	h = f.thenCombine(g, subtract);
1697	<	g.completeExceptionally(new CFException());
1698	<	checkIncomplete(h);
1699	<	f.complete(3);
1700	<	checkCompletedWithWrappedCFException(h);
1701	<
1702	<	f = new CompletableFuture<>();
1703	<	g = new CompletableFuture<>();
1704	<	f.complete(3);
1705	<	g.completeExceptionally(new CFException());
1706	<	h = f.thenCombine(g, subtract);
1707	<	checkCompletedWithWrappedCFException(h);
1708	<
1709	<	f = new CompletableFuture<>();
1710	<	g = new CompletableFuture<>();
1711	<	f.completeExceptionally(new CFException());
1712	<	g.complete(3);
1713	<	h = f.thenCombine(g, subtract);
1714	<	checkCompletedWithWrappedCFException(h);
1715	<	}
1683	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1684	>	for (ExecutionMode m : ExecutionMode.values())
1685	>	for (boolean fFirst : new boolean[] { true, false })
1686	>	for (boolean failFirst : new boolean[] { true, false })
1687	>	for (Integer v1 : new Integer[] { 1, null })
1688	>	{
1689	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1690	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1691	>	final CFException ex = new CFException();
1692	>	final SubtractFunction r1 = new SubtractFunction(m);
1693	>	final SubtractFunction r2 = new SubtractFunction(m);
1694	>	final SubtractFunction r3 = new SubtractFunction(m);
1695	>
1696	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1697	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1698	>	final Callable<Boolean> complete1 = failFirst ?
1699	>	() -> fst.completeExceptionally(ex) :
1700	>	() -> fst.complete(v1);
1701	>	final Callable<Boolean> complete2 = failFirst ?
1702	>	() -> snd.complete(v1) :
1703	>	() -> snd.completeExceptionally(ex);
1704	>
1705	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1706	>	assertTrue(complete1.call());
1707	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1708	>	checkIncomplete(h1);
1709	>	checkIncomplete(h2);
1710	>	assertTrue(complete2.call());
1711	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1712	>
1713	>	checkCompletedWithWrappedException(h1, ex);
1714	>	checkCompletedWithWrappedException(h2, ex);
1715	>	checkCompletedWithWrappedException(h3, ex);
1716	>	r1.assertNotInvoked();
1717	>	r2.assertNotInvoked();
1718	>	r3.assertNotInvoked();
1719	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1720	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1721	>	}}
1722
1723		/**
1724	<	* thenCombine result completes exceptionally if action does
1724	>	* thenCombine result completes exceptionally if either source cancelled
1725		*/
1726	<	public void testThenCombine3() {
1727	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1728	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1729	<	FailingBiFunction r = new FailingBiFunction();
1730	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
1731	<	f.complete(one);
1732	<	checkIncomplete(g);
1733	<	assertFalse(r.ran);
1734	<	f2.complete(two);
1735	<	checkCompletedWithWrappedCFException(g);
1736	<	assertTrue(r.ran);
1737	<	}
1726	>	public void testThenCombine_sourceCancelled() throws Throwable {
1727	>	for (ExecutionMode m : ExecutionMode.values())
1728	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1729	>	for (boolean fFirst : new boolean[] { true, false })
1730	>	for (boolean failFirst : new boolean[] { true, false })
1731	>	for (Integer v1 : new Integer[] { 1, null })
1732	>	{
1733	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1734	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1735	>	final SubtractFunction r1 = new SubtractFunction(m);
1736	>	final SubtractFunction r2 = new SubtractFunction(m);
1737	>	final SubtractFunction r3 = new SubtractFunction(m);
1738	>
1739	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1740	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1741	>	final Callable<Boolean> complete1 = failFirst ?
1742	>	() -> fst.cancel(mayInterruptIfRunning) :
1743	>	() -> fst.complete(v1);
1744	>	final Callable<Boolean> complete2 = failFirst ?
1745	>	() -> snd.complete(v1) :
1746	>	() -> snd.cancel(mayInterruptIfRunning);
1747	>
1748	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1749	>	assertTrue(complete1.call());
1750	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1751	>	checkIncomplete(h1);
1752	>	checkIncomplete(h2);
1753	>	assertTrue(complete2.call());
1754	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1755	>
1756	>	checkCompletedWithWrappedCancellationException(h1);
1757	>	checkCompletedWithWrappedCancellationException(h2);
1758	>	checkCompletedWithWrappedCancellationException(h3);
1759	>	r1.assertNotInvoked();
1760	>	r2.assertNotInvoked();
1761	>	r3.assertNotInvoked();
1762	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1763	>	checkCancelled(failFirst ? fst : snd);
1764	>	}}
1765
1766		/**
1767	<	* thenCombine result completes exceptionally if either source cancelled
1767	>	* thenCombine result completes exceptionally if action does
1768		*/
1769	<	public void testThenCombine4() {
1770	<	CompletableFuture<Integer> f, g, h;
1771	<
1772	<	f = new CompletableFuture<>();
1773	<	g = new CompletableFuture<>();
1774	<	h = f.thenCombine(g, subtract);
1775	<	assertTrue(f.cancel(true));
1776	<	checkIncomplete(h);
1777	<	g.complete(1);
1778	<	checkCompletedWithWrappedCancellationException(h);
1779	<
1780	<	f = new CompletableFuture<>();
1781	<	g = new CompletableFuture<>();
1782	<	h = f.thenCombine(g, subtract);
1783	<	assertTrue(g.cancel(true));
1784	<	checkIncomplete(h);
1785	<	f.complete(3);
1786	<	checkCompletedWithWrappedCancellationException(h);
1787	<
1788	<	f = new CompletableFuture<>();
1789	<	g = new CompletableFuture<>();
1790	<	assertTrue(f.cancel(true));
1791	<	assertTrue(g.cancel(true));
1792	<	h = f.thenCombine(g, subtract);
1793	<	checkCompletedWithWrappedCancellationException(h);
1794	<	}
1769	>	public void testThenCombine_actionFailed() {
1770	>	for (ExecutionMode m : ExecutionMode.values())
1771	>	for (boolean fFirst : new boolean[] { true, false })
1772	>	for (Integer v1 : new Integer[] { 1, null })
1773	>	for (Integer v2 : new Integer[] { 2, null })
1774	>	{
1775	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1776	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1777	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1778	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1779	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1780	>
1781	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1782	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1783	>	final Integer w1 =  fFirst ? v1 : v2;
1784	>	final Integer w2 = !fFirst ? v1 : v2;
1785	>
1786	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1787	>	assertTrue(fst.complete(w1));
1788	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1789	>	assertTrue(snd.complete(w2));
1790	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1791	>
1792	>	checkCompletedWithWrappedException(h1, r1.ex);
1793	>	checkCompletedWithWrappedException(h2, r2.ex);
1794	>	checkCompletedWithWrappedException(h3, r3.ex);
1795	>	r1.assertInvoked();
1796	>	r2.assertInvoked();
1797	>	r3.assertInvoked();
1798	>	checkCompletedNormally(f, v1);
1799	>	checkCompletedNormally(g, v2);
1800	>	}}
1801
1802		/**
1803		* thenAcceptBoth result completes normally after normal
1804		* completion of sources
1805		*/
1806	<	public void testThenAcceptBoth() {
1807	<	CompletableFuture<Integer> f, g;
1808	<	CompletableFuture<Void> h;
1809	<	SubtractAction r;
1810	<
1811	<	f = new CompletableFuture<>();
1812	<	g = new CompletableFuture<>();
1813	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1814	<	f.complete(3);
1815	<	checkIncomplete(h);
1816	<	g.complete(1);
1817	<	checkCompletedNormally(h, null);
1818	<	assertEquals(r.value, 2);
1819	<
1820	<	f = new CompletableFuture<>();
1821	<	g = new CompletableFuture<>();
1822	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1823	<	g.complete(1);
1824	<	checkIncomplete(h);
1825	<	f.complete(3);
1826	<	checkCompletedNormally(h, null);
1827	<	assertEquals(r.value, 2);
1828	<
1829	<	f = new CompletableFuture<>();
1830	<	g = new CompletableFuture<>();
1831	<	g.complete(1);
1832	<	f.complete(3);
1833	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1834	<	checkCompletedNormally(h, null);
1835	<	assertEquals(r.value, 2);
1836	<	}
1806	>	public void testThenAcceptBoth_normalCompletion() {
1807	>	for (ExecutionMode m : ExecutionMode.values())
1808	>	for (boolean fFirst : new boolean[] { true, false })
1809	>	for (Integer v1 : new Integer[] { 1, null })
1810	>	for (Integer v2 : new Integer[] { 2, null })
1811	>	{
1812	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1813	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1814	>	final SubtractAction r1 = new SubtractAction(m);
1815	>	final SubtractAction r2 = new SubtractAction(m);
1816	>	final SubtractAction r3 = new SubtractAction(m);
1817	>
1818	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1819	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1820	>	final Integer w1 =  fFirst ? v1 : v2;
1821	>	final Integer w2 = !fFirst ? v1 : v2;
1822	>
1823	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1824	>	assertTrue(fst.complete(w1));
1825	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1826	>	checkIncomplete(h1);
1827	>	checkIncomplete(h2);
1828	>	r1.assertNotInvoked();
1829	>	r2.assertNotInvoked();
1830	>	assertTrue(snd.complete(w2));
1831	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1832	>
1833	>	checkCompletedNormally(h1, null);
1834	>	checkCompletedNormally(h2, null);
1835	>	checkCompletedNormally(h3, null);
1836	>	r1.assertValue(subtract(v1, v2));
1837	>	r2.assertValue(subtract(v1, v2));
1838	>	r3.assertValue(subtract(v1, v2));
1839	>	checkCompletedNormally(f, v1);
1840	>	checkCompletedNormally(g, v2);
1841	>	}}
1842
1843		/**
1844		* thenAcceptBoth result completes exceptionally after exceptional
1845		* completion of either source
1846		*/
1847	<	public void testThenAcceptBoth2() {
1848	<	CompletableFuture<Integer> f, g;
1849	<	CompletableFuture<Void> h;
1850	<	SubtractAction r;
1851	<
1852	<	f = new CompletableFuture<>();
1853	<	g = new CompletableFuture<>();
1854	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1855	<	f.completeExceptionally(new CFException());
1856	<	checkIncomplete(h);
1857	<	g.complete(1);
1858	<	checkCompletedWithWrappedCFException(h);
1859	<
1860	<	f = new CompletableFuture<>();
1861	<	g = new CompletableFuture<>();
1862	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1863	<	g.completeExceptionally(new CFException());
1864	<	checkIncomplete(h);
1865	<	f.complete(3);
1866	<	checkCompletedWithWrappedCFException(h);
1867	<
1868	<	f = new CompletableFuture<>();
1869	<	g = new CompletableFuture<>();
1870	<	f.complete(3);
1871	<	g.completeExceptionally(new CFException());
1872	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1873	<	checkCompletedWithWrappedCFException(h);
1874	<
1875	<	f = new CompletableFuture<>();
1876	<	g = new CompletableFuture<>();
1877	<	f.completeExceptionally(new CFException());
1878	<	g.complete(3);
1879	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1880	<	checkCompletedWithWrappedCFException(h);
1881	<	}
1847	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1848	>	for (ExecutionMode m : ExecutionMode.values())
1849	>	for (boolean fFirst : new boolean[] { true, false })
1850	>	for (boolean failFirst : new boolean[] { true, false })
1851	>	for (Integer v1 : new Integer[] { 1, null })
1852	>	{
1853	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1854	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1855	>	final CFException ex = new CFException();
1856	>	final SubtractAction r1 = new SubtractAction(m);
1857	>	final SubtractAction r2 = new SubtractAction(m);
1858	>	final SubtractAction r3 = new SubtractAction(m);
1859	>
1860	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1861	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1862	>	final Callable<Boolean> complete1 = failFirst ?
1863	>	() -> fst.completeExceptionally(ex) :
1864	>	() -> fst.complete(v1);
1865	>	final Callable<Boolean> complete2 = failFirst ?
1866	>	() -> snd.complete(v1) :
1867	>	() -> snd.completeExceptionally(ex);
1868	>
1869	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1870	>	assertTrue(complete1.call());
1871	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1872	>	checkIncomplete(h1);
1873	>	checkIncomplete(h2);
1874	>	assertTrue(complete2.call());
1875	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1876	>
1877	>	checkCompletedWithWrappedException(h1, ex);
1878	>	checkCompletedWithWrappedException(h2, ex);
1879	>	checkCompletedWithWrappedException(h3, ex);
1880	>	r1.assertNotInvoked();
1881	>	r2.assertNotInvoked();
1882	>	r3.assertNotInvoked();
1883	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1884	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1885	>	}}
1886
1887		/**
1888	<	* thenAcceptBoth result completes exceptionally if action does
1888	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1889		*/
1890	<	public void testThenAcceptBoth3() {
1891	<	CompletableFuture<Integer> f, g;
1892	<	CompletableFuture<Void> h;
1893	<	FailingBiConsumer r;
1894	<
1895	<	f = new CompletableFuture<>();
1896	<	g = new CompletableFuture<>();
1897	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1898	<	f.complete(3);
1899	<	checkIncomplete(h);
1900	<	g.complete(1);
1901	<	checkCompletedWithWrappedCFException(h);
1902	<
1903	<	f = new CompletableFuture<>();
1904	<	g = new CompletableFuture<>();
1905	<	f.complete(3);
1906	<	g.complete(1);
1907	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1908	<	checkCompletedWithWrappedCFException(h);
1909	<	}
1890	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1891	>	for (ExecutionMode m : ExecutionMode.values())
1892	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1893	>	for (boolean fFirst : new boolean[] { true, false })
1894	>	for (boolean failFirst : new boolean[] { true, false })
1895	>	for (Integer v1 : new Integer[] { 1, null })
1896	>	{
1897	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1898	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1899	>	final SubtractAction r1 = new SubtractAction(m);
1900	>	final SubtractAction r2 = new SubtractAction(m);
1901	>	final SubtractAction r3 = new SubtractAction(m);
1902	>
1903	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1904	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1905	>	final Callable<Boolean> complete1 = failFirst ?
1906	>	() -> fst.cancel(mayInterruptIfRunning) :
1907	>	() -> fst.complete(v1);
1908	>	final Callable<Boolean> complete2 = failFirst ?
1909	>	() -> snd.complete(v1) :
1910	>	() -> snd.cancel(mayInterruptIfRunning);
1911	>
1912	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1913	>	assertTrue(complete1.call());
1914	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1915	>	checkIncomplete(h1);
1916	>	checkIncomplete(h2);
1917	>	assertTrue(complete2.call());
1918	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1919	>
1920	>	checkCompletedWithWrappedCancellationException(h1);
1921	>	checkCompletedWithWrappedCancellationException(h2);
1922	>	checkCompletedWithWrappedCancellationException(h3);
1923	>	r1.assertNotInvoked();
1924	>	r2.assertNotInvoked();
1925	>	r3.assertNotInvoked();
1926	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1927	>	checkCancelled(failFirst ? fst : snd);
1928	>	}}
1929
1930		/**
1931	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1931	>	* thenAcceptBoth result completes exceptionally if action does
1932		*/
1933	<	public void testThenAcceptBoth4() {
1934	<	CompletableFuture<Integer> f, g;
1935	<	CompletableFuture<Void> h;
1936	<	SubtractAction r;
1937	<
1938	<	f = new CompletableFuture<>();
1939	<	g = new CompletableFuture<>();
1940	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1941	<	assertTrue(f.cancel(true));
1942	<	checkIncomplete(h);
1943	<	g.complete(1);
1944	<	checkCompletedWithWrappedCancellationException(h);
1945	<
1946	<	f = new CompletableFuture<>();
1947	<	g = new CompletableFuture<>();
1948	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1949	<	assertTrue(g.cancel(true));
1950	<	checkIncomplete(h);
1951	<	f.complete(3);
1952	<	checkCompletedWithWrappedCancellationException(h);
1953	<
1954	<	f = new CompletableFuture<>();
1955	<	g = new CompletableFuture<>();
1956	<	f.complete(3);
1957	<	assertTrue(g.cancel(true));
1958	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1959	<	checkCompletedWithWrappedCancellationException(h);
1960	<
1961	<	f = new CompletableFuture<>();
1962	<	g = new CompletableFuture<>();
1963	<	assertTrue(f.cancel(true));
1964	<	g.complete(3);
914	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
915	<	checkCompletedWithWrappedCancellationException(h);
916	<	}
1933	>	public void testThenAcceptBoth_actionFailed() {
1934	>	for (ExecutionMode m : ExecutionMode.values())
1935	>	for (boolean fFirst : new boolean[] { true, false })
1936	>	for (Integer v1 : new Integer[] { 1, null })
1937	>	for (Integer v2 : new Integer[] { 2, null })
1938	>	{
1939	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1940	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1941	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1942	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1943	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1944	>
1945	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1946	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1947	>	final Integer w1 =  fFirst ? v1 : v2;
1948	>	final Integer w2 = !fFirst ? v1 : v2;
1949	>
1950	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1951	>	assertTrue(fst.complete(w1));
1952	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1953	>	assertTrue(snd.complete(w2));
1954	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1955	>
1956	>	checkCompletedWithWrappedException(h1, r1.ex);
1957	>	checkCompletedWithWrappedException(h2, r2.ex);
1958	>	checkCompletedWithWrappedException(h3, r3.ex);
1959	>	r1.assertInvoked();
1960	>	r2.assertInvoked();
1961	>	r3.assertInvoked();
1962	>	checkCompletedNormally(f, v1);
1963	>	checkCompletedNormally(g, v2);
1964	>	}}
1965
1966		/**
1967		* runAfterBoth result completes normally after normal
1968		* completion of sources
1969		*/
1970	<	public void testRunAfterBoth() {
1971	<	CompletableFuture<Integer> f, g;
1972	<	CompletableFuture<Void> h;
1973	<	Noop r;
1974	<
1975	<	f = new CompletableFuture<>();
1976	<	g = new CompletableFuture<>();
1977	<	h = f.runAfterBoth(g, r = new Noop());
1978	<	f.complete(3);
1979	<	checkIncomplete(h);
1980	<	g.complete(1);
1981	<	checkCompletedNormally(h, null);
1982	<	assertTrue(r.ran);
1983	<
1984	<	f = new CompletableFuture<>();
1985	<	g = new CompletableFuture<>();
1986	<	h = f.runAfterBoth(g, r = new Noop());
1987	<	g.complete(1);
1988	<	checkIncomplete(h);
1989	<	f.complete(3);
1990	<	checkCompletedNormally(h, null);
1991	<	assertTrue(r.ran);
1992	<
1993	<	f = new CompletableFuture<>();
1994	<	g = new CompletableFuture<>();
1995	<	g.complete(1);
1996	<	f.complete(3);
1997	<	h = f.runAfterBoth(g, r = new Noop());
1998	<	checkCompletedNormally(h, null);
1999	<	assertTrue(r.ran);
2000	<	}
1970	>	public void testRunAfterBoth_normalCompletion() {
1971	>	for (ExecutionMode m : ExecutionMode.values())
1972	>	for (boolean fFirst : new boolean[] { true, false })
1973	>	for (Integer v1 : new Integer[] { 1, null })
1974	>	for (Integer v2 : new Integer[] { 2, null })
1975	>	{
1976	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1977	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1978	>	final Noop r1 = new Noop(m);
1979	>	final Noop r2 = new Noop(m);
1980	>	final Noop r3 = new Noop(m);
1981	>
1982	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1983	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1984	>	final Integer w1 =  fFirst ? v1 : v2;
1985	>	final Integer w2 = !fFirst ? v1 : v2;
1986	>
1987	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1988	>	assertTrue(fst.complete(w1));
1989	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1990	>	checkIncomplete(h1);
1991	>	checkIncomplete(h2);
1992	>	r1.assertNotInvoked();
1993	>	r2.assertNotInvoked();
1994	>	assertTrue(snd.complete(w2));
1995	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1996	>
1997	>	checkCompletedNormally(h1, null);
1998	>	checkCompletedNormally(h2, null);
1999	>	checkCompletedNormally(h3, null);
2000	>	r1.assertInvoked();
2001	>	r2.assertInvoked();
2002	>	r3.assertInvoked();
2003	>	checkCompletedNormally(f, v1);
2004	>	checkCompletedNormally(g, v2);
2005	>	}}
2006
2007		/**
2008		* runAfterBoth result completes exceptionally after exceptional
2009		* completion of either source
2010		*/
2011	<	public void testRunAfterBoth2() {
2012	<	CompletableFuture<Integer> f, g;
2013	<	CompletableFuture<Void> h;
2014	<	Noop r;
2015	<
2016	<	f = new CompletableFuture<>();
2017	<	g = new CompletableFuture<>();
2018	<	h = f.runAfterBoth(g, r = new Noop());
2019	<	f.completeExceptionally(new CFException());
2020	<	checkIncomplete(h);
2021	<	g.complete(1);
2022	<	checkCompletedWithWrappedCFException(h);
2023	<	assertFalse(r.ran);
2024	<
2025	<	f = new CompletableFuture<>();
2026	<	g = new CompletableFuture<>();
2027	<	h = f.runAfterBoth(g, r = new Noop());
2028	<	g.completeExceptionally(new CFException());
2029	<	checkIncomplete(h);
2030	<	f.complete(3);
2031	<	checkCompletedWithWrappedCFException(h);
2032	<	assertFalse(r.ran);
2033	<
2034	<	f = new CompletableFuture<>();
2035	<	g = new CompletableFuture<>();
2036	<	g.completeExceptionally(new CFException());
2037	<	f.complete(3);
2038	<	h = f.runAfterBoth(g, r = new Noop());
2039	<	checkCompletedWithWrappedCFException(h);
2040	<	assertFalse(r.ran);
2041	<
2042	<	f = new CompletableFuture<>();
2043	<	g = new CompletableFuture<>();
2044	<	f.completeExceptionally(new CFException());
2045	<	g.complete(1);
2046	<	h = f.runAfterBoth(g, r = new Noop());
2047	<	checkCompletedWithWrappedCFException(h);
2048	<	assertFalse(r.ran);
2049	<	}
2011	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2012	>	for (ExecutionMode m : ExecutionMode.values())
2013	>	for (boolean fFirst : new boolean[] { true, false })
2014	>	for (boolean failFirst : new boolean[] { true, false })
2015	>	for (Integer v1 : new Integer[] { 1, null })
2016	>	{
2017	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2018	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2019	>	final CFException ex = new CFException();
2020	>	final Noop r1 = new Noop(m);
2021	>	final Noop r2 = new Noop(m);
2022	>	final Noop r3 = new Noop(m);
2023	>
2024	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2025	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2026	>	final Callable<Boolean> complete1 = failFirst ?
2027	>	() -> fst.completeExceptionally(ex) :
2028	>	() -> fst.complete(v1);
2029	>	final Callable<Boolean> complete2 = failFirst ?
2030	>	() -> snd.complete(v1) :
2031	>	() -> snd.completeExceptionally(ex);
2032	>
2033	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2034	>	assertTrue(complete1.call());
2035	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2036	>	checkIncomplete(h1);
2037	>	checkIncomplete(h2);
2038	>	assertTrue(complete2.call());
2039	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2040	>
2041	>	checkCompletedWithWrappedException(h1, ex);
2042	>	checkCompletedWithWrappedException(h2, ex);
2043	>	checkCompletedWithWrappedException(h3, ex);
2044	>	r1.assertNotInvoked();
2045	>	r2.assertNotInvoked();
2046	>	r3.assertNotInvoked();
2047	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2048	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2049	>	}}
2050
2051		/**
2052	<	* runAfterBoth result completes exceptionally if action does
2052	>	* runAfterBoth result completes exceptionally if either source cancelled
2053		*/
2054	<	public void testRunAfterBoth3() {
2055	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2056	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2057	<	FailingNoop r = new FailingNoop();
2058	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2059	<	f.complete(one);
2060	<	checkIncomplete(g);
2061	<	f2.complete(two);
2062	<	checkCompletedWithWrappedCFException(g);
2063	<	}
2054	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2055	>	for (ExecutionMode m : ExecutionMode.values())
2056	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2057	>	for (boolean fFirst : new boolean[] { true, false })
2058	>	for (boolean failFirst : new boolean[] { true, false })
2059	>	for (Integer v1 : new Integer[] { 1, null })
2060	>	{
2061	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2062	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2063	>	final Noop r1 = new Noop(m);
2064	>	final Noop r2 = new Noop(m);
2065	>	final Noop r3 = new Noop(m);
2066	>
2067	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2068	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2069	>	final Callable<Boolean> complete1 = failFirst ?
2070	>	() -> fst.cancel(mayInterruptIfRunning) :
2071	>	() -> fst.complete(v1);
2072	>	final Callable<Boolean> complete2 = failFirst ?
2073	>	() -> snd.complete(v1) :
2074	>	() -> snd.cancel(mayInterruptIfRunning);
2075	>
2076	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2077	>	assertTrue(complete1.call());
2078	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2079	>	checkIncomplete(h1);
2080	>	checkIncomplete(h2);
2081	>	assertTrue(complete2.call());
2082	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2083	>
2084	>	checkCompletedWithWrappedCancellationException(h1);
2085	>	checkCompletedWithWrappedCancellationException(h2);
2086	>	checkCompletedWithWrappedCancellationException(h3);
2087	>	r1.assertNotInvoked();
2088	>	r2.assertNotInvoked();
2089	>	r3.assertNotInvoked();
2090	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2091	>	checkCancelled(failFirst ? fst : snd);
2092	>	}}
2093
2094		/**
2095	<	* runAfterBoth result completes exceptionally if either source cancelled
2095	>	* runAfterBoth result completes exceptionally if action does
2096		*/
2097	<	public void testRunAfterBoth4() {
2098	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2099	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2100	<	Noop r = new Noop();
2101	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2102	<	assertTrue(f.cancel(true));
2103	<	f2.complete(two);
2104	<	checkCompletedWithWrappedCancellationException(g);
2105	<	f = new CompletableFuture<>();
2106	<	f2 = new CompletableFuture<>();
2107	<	r = new Noop();
2108	<	g = f.runAfterBoth(f2, r);
2109	<	f.complete(one);
2110	<	assertTrue(f2.cancel(true));
2111	<	checkCompletedWithWrappedCancellationException(g);
2112	<	}
2097	>	public void testRunAfterBoth_actionFailed() {
2098	>	for (ExecutionMode m : ExecutionMode.values())
2099	>	for (boolean fFirst : new boolean[] { true, false })
2100	>	for (Integer v1 : new Integer[] { 1, null })
2101	>	for (Integer v2 : new Integer[] { 2, null })
2102	>	{
2103	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2104	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2105	>	final FailingRunnable r1 = new FailingRunnable(m);
2106	>	final FailingRunnable r2 = new FailingRunnable(m);
2107	>	final FailingRunnable r3 = new FailingRunnable(m);
2108	>
2109	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2110	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2111	>	final Integer w1 =  fFirst ? v1 : v2;
2112	>	final Integer w2 = !fFirst ? v1 : v2;
2113	>
2114	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2115	>	assertTrue(fst.complete(w1));
2116	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2117	>	assertTrue(snd.complete(w2));
2118	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2119	>
2120	>	checkCompletedWithWrappedException(h1, r1.ex);
2121	>	checkCompletedWithWrappedException(h2, r2.ex);
2122	>	checkCompletedWithWrappedException(h3, r3.ex);
2123	>	r1.assertInvoked();
2124	>	r2.assertInvoked();
2125	>	r3.assertInvoked();
2126	>	checkCompletedNormally(f, v1);
2127	>	checkCompletedNormally(g, v2);
2128	>	}}
2129
2130		/**
2131		* applyToEither result completes normally after normal completion
2132		* of either source
2133		*/
2134	<	public void testApplyToEither() {
2135	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2136	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2137	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2138	<	f.complete(one);
2139	<	checkCompletedNormally(g, two);
2140	<	f2.complete(one);
2141	<	checkCompletedNormally(g, two);
2142	<
2143	<	f = new CompletableFuture<>();
2144	<	f.complete(one);
2145	<	f2 = new CompletableFuture<>();
2146	<	g = f.applyToEither(f2, inc);
2147	<	checkCompletedNormally(g, two);
2148	<	}
2134	>	public void testApplyToEither_normalCompletion() {
2135	>	for (ExecutionMode m : ExecutionMode.values())
2136	>	for (Integer v1 : new Integer[] { 1, null })
2137	>	for (Integer v2 : new Integer[] { 2, null })
2138	>	{
2139	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2140	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2141	>	final IncFunction[] rs = new IncFunction[6];
2142	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2143	>
2144	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2145	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2146	>	checkIncomplete(h0);
2147	>	checkIncomplete(h1);
2148	>	rs[0].assertNotInvoked();
2149	>	rs[1].assertNotInvoked();
2150	>	f.complete(v1);
2151	>	checkCompletedNormally(h0, inc(v1));
2152	>	checkCompletedNormally(h1, inc(v1));
2153	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2154	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2155	>	checkCompletedNormally(h2, inc(v1));
2156	>	checkCompletedNormally(h3, inc(v1));
2157	>	g.complete(v2);
2158	>
2159	>	// unspecified behavior - both source completions available
2160	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2161	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2162	>	rs[4].assertValue(h4.join());
2163	>	rs[5].assertValue(h5.join());
2164	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2165	>	Objects.equals(inc(v2), h4.join()));
2166	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2167	>	Objects.equals(inc(v2), h5.join()));
2168	>
2169	>	checkCompletedNormally(f, v1);
2170	>	checkCompletedNormally(g, v2);
2171	>	checkCompletedNormally(h0, inc(v1));
2172	>	checkCompletedNormally(h1, inc(v1));
2173	>	checkCompletedNormally(h2, inc(v1));
2174	>	checkCompletedNormally(h3, inc(v1));
2175	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2176	>	}}
2177
2178		/**
2179		* applyToEither result completes exceptionally after exceptional
2180		* completion of either source
2181		*/
2182	<	public void testApplyToEither2() {
2183	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2184	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2185	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2186	<	f.completeExceptionally(new CFException());
2187	<	f2.complete(one);
2188	<	checkCompletedWithWrappedCFException(g);
2182	>	public void testApplyToEither_exceptionalCompletion() {
2183	>	for (ExecutionMode m : ExecutionMode.values())
2184	>	for (Integer v1 : new Integer[] { 1, null })
2185	>	{
2186	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2187	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2188	>	final CFException ex = new CFException();
2189	>	final IncFunction[] rs = new IncFunction[6];
2190	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2191	>
2192	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2193	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2194	>	checkIncomplete(h0);
2195	>	checkIncomplete(h1);
2196	>	rs[0].assertNotInvoked();
2197	>	rs[1].assertNotInvoked();
2198	>	f.completeExceptionally(ex);
2199	>	checkCompletedWithWrappedException(h0, ex);
2200	>	checkCompletedWithWrappedException(h1, ex);
2201	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2202	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2203	>	checkCompletedWithWrappedException(h2, ex);
2204	>	checkCompletedWithWrappedException(h3, ex);
2205	>	g.complete(v1);
2206	>
2207	>	// unspecified behavior - both source completions available
2208	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2209	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2210	>	try {
2211	>	assertEquals(inc(v1), h4.join());
2212	>	rs[4].assertValue(inc(v1));
2213	>	} catch (CompletionException ok) {
2214	>	checkCompletedWithWrappedException(h4, ex);
2215	>	rs[4].assertNotInvoked();
2216	>	}
2217	>	try {
2218	>	assertEquals(inc(v1), h5.join());
2219	>	rs[5].assertValue(inc(v1));
2220	>	} catch (CompletionException ok) {
2221	>	checkCompletedWithWrappedException(h5, ex);
2222	>	rs[5].assertNotInvoked();
2223	>	}
2224
2225	<	f = new CompletableFuture<>();
2226	<	f2 = new CompletableFuture<>();
2227	<	f2.completeExceptionally(new CFException());
2228	<	g = f.applyToEither(f2, inc);
2229	<	checkCompletedWithWrappedCFException(g);
2230	<	}
2225	>	checkCompletedExceptionally(f, ex);
2226	>	checkCompletedNormally(g, v1);
2227	>	checkCompletedWithWrappedException(h0, ex);
2228	>	checkCompletedWithWrappedException(h1, ex);
2229	>	checkCompletedWithWrappedException(h2, ex);
2230	>	checkCompletedWithWrappedException(h3, ex);
2231	>	checkCompletedWithWrappedException(h4, ex);
2232	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2233	>	}}
2234	>
2235	>	public void testApplyToEither_exceptionalCompletion2() {
2236	>	for (ExecutionMode m : ExecutionMode.values())
2237	>	for (boolean fFirst : new boolean[] { true, false })
2238	>	for (Integer v1 : new Integer[] { 1, null })
2239	>	{
2240	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2241	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2242	>	final CFException ex = new CFException();
2243	>	final IncFunction[] rs = new IncFunction[6];
2244	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2245	>
2246	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2247	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2248	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2249	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2250	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2251	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2252	>
2253	>	// unspecified behavior - both source completions available
2254	>	try {
2255	>	assertEquals(inc(v1), h0.join());
2256	>	rs[0].assertValue(inc(v1));
2257	>	} catch (CompletionException ok) {
2258	>	checkCompletedWithWrappedException(h0, ex);
2259	>	rs[0].assertNotInvoked();
2260	>	}
2261	>	try {
2262	>	assertEquals(inc(v1), h1.join());
2263	>	rs[1].assertValue(inc(v1));
2264	>	} catch (CompletionException ok) {
2265	>	checkCompletedWithWrappedException(h1, ex);
2266	>	rs[1].assertNotInvoked();
2267	>	}
2268	>	try {
2269	>	assertEquals(inc(v1), h2.join());
2270	>	rs[2].assertValue(inc(v1));
2271	>	} catch (CompletionException ok) {
2272	>	checkCompletedWithWrappedException(h2, ex);
2273	>	rs[2].assertNotInvoked();
2274	>	}
2275	>	try {
2276	>	assertEquals(inc(v1), h3.join());
2277	>	rs[3].assertValue(inc(v1));
2278	>	} catch (CompletionException ok) {
2279	>	checkCompletedWithWrappedException(h3, ex);
2280	>	rs[3].assertNotInvoked();
2281	>	}
2282	>
2283	>	checkCompletedNormally(f, v1);
2284	>	checkCompletedExceptionally(g, ex);
2285	>	}}
2286
2287		/**
2288	<	* applyToEither result completes exceptionally if action does
2288	>	* applyToEither result completes exceptionally if either source cancelled
2289		*/
2290	<	public void testApplyToEither3() {
2291	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2292	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2293	<	FailingFunction r = new FailingFunction();
2294	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
2295	<	f2.complete(two);
2296	<	checkCompletedWithWrappedCFException(g);
2297	<	}
2290	>	public void testApplyToEither_sourceCancelled() {
2291	>	for (ExecutionMode m : ExecutionMode.values())
2292	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2293	>	for (Integer v1 : new Integer[] { 1, null })
2294	>	{
2295	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2296	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2297	>	final IncFunction[] rs = new IncFunction[6];
2298	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2299	>
2300	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2301	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2302	>	checkIncomplete(h0);
2303	>	checkIncomplete(h1);
2304	>	rs[0].assertNotInvoked();
2305	>	rs[1].assertNotInvoked();
2306	>	f.cancel(mayInterruptIfRunning);
2307	>	checkCompletedWithWrappedCancellationException(h0);
2308	>	checkCompletedWithWrappedCancellationException(h1);
2309	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2310	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2311	>	checkCompletedWithWrappedCancellationException(h2);
2312	>	checkCompletedWithWrappedCancellationException(h3);
2313	>	g.complete(v1);
2314	>
2315	>	// unspecified behavior - both source completions available
2316	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2317	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2318	>	try {
2319	>	assertEquals(inc(v1), h4.join());
2320	>	rs[4].assertValue(inc(v1));
2321	>	} catch (CompletionException ok) {
2322	>	checkCompletedWithWrappedCancellationException(h4);
2323	>	rs[4].assertNotInvoked();
2324	>	}
2325	>	try {
2326	>	assertEquals(inc(v1), h5.join());
2327	>	rs[5].assertValue(inc(v1));
2328	>	} catch (CompletionException ok) {
2329	>	checkCompletedWithWrappedCancellationException(h5);
2330	>	rs[5].assertNotInvoked();
2331	>	}
2332	>
2333	>	checkCancelled(f);
2334	>	checkCompletedNormally(g, v1);
2335	>	checkCompletedWithWrappedCancellationException(h0);
2336	>	checkCompletedWithWrappedCancellationException(h1);
2337	>	checkCompletedWithWrappedCancellationException(h2);
2338	>	checkCompletedWithWrappedCancellationException(h3);
2339	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2340	>	}}
2341	>
2342	>	public void testApplyToEither_sourceCancelled2() {
2343	>	for (ExecutionMode m : ExecutionMode.values())
2344	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2345	>	for (boolean fFirst : new boolean[] { true, false })
2346	>	for (Integer v1 : new Integer[] { 1, null })
2347	>	{
2348	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2349	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2350	>	final IncFunction[] rs = new IncFunction[6];
2351	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2352	>
2353	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2354	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2355	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2356	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2357	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2358	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2359	>
2360	>	// unspecified behavior - both source completions available
2361	>	try {
2362	>	assertEquals(inc(v1), h0.join());
2363	>	rs[0].assertValue(inc(v1));
2364	>	} catch (CompletionException ok) {
2365	>	checkCompletedWithWrappedCancellationException(h0);
2366	>	rs[0].assertNotInvoked();
2367	>	}
2368	>	try {
2369	>	assertEquals(inc(v1), h1.join());
2370	>	rs[1].assertValue(inc(v1));
2371	>	} catch (CompletionException ok) {
2372	>	checkCompletedWithWrappedCancellationException(h1);
2373	>	rs[1].assertNotInvoked();
2374	>	}
2375	>	try {
2376	>	assertEquals(inc(v1), h2.join());
2377	>	rs[2].assertValue(inc(v1));
2378	>	} catch (CompletionException ok) {
2379	>	checkCompletedWithWrappedCancellationException(h2);
2380	>	rs[2].assertNotInvoked();
2381	>	}
2382	>	try {
2383	>	assertEquals(inc(v1), h3.join());
2384	>	rs[3].assertValue(inc(v1));
2385	>	} catch (CompletionException ok) {
2386	>	checkCompletedWithWrappedCancellationException(h3);
2387	>	rs[3].assertNotInvoked();
2388	>	}
2389	>
2390	>	checkCompletedNormally(f, v1);
2391	>	checkCancelled(g);
2392	>	}}
2393
2394		/**
2395	<	* applyToEither result completes exceptionally if either source cancelled
2395	>	* applyToEither result completes exceptionally if action does
2396		*/
2397	<	public void testApplyToEither4() {
2398	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2399	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2400	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2401	<	assertTrue(f.cancel(true));
2402	<	checkCompletedWithWrappedCancellationException(g);
2403	<	f = new CompletableFuture<>();
2404	<	f2 = new CompletableFuture<>();
2405	<	assertTrue(f2.cancel(true));
2406	<	checkCompletedWithWrappedCancellationException(g);
2407	<	}
2397	>	public void testApplyToEither_actionFailed() {
2398	>	for (ExecutionMode m : ExecutionMode.values())
2399	>	for (Integer v1 : new Integer[] { 1, null })
2400	>	for (Integer v2 : new Integer[] { 2, null })
2401	>	{
2402	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2403	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2404	>	final FailingFunction[] rs = new FailingFunction[6];
2405	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2406	>
2407	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2408	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2409	>	f.complete(v1);
2410	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2411	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2412	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2413	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2414	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2415	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2416	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2417	>
2418	>	g.complete(v2);
2419	>
2420	>	// unspecified behavior - both source completions available
2421	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2422	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2423	>
2424	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2425	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2426	>	Objects.equals(v2, rs[4].value));
2427	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2428	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2429	>	Objects.equals(v2, rs[5].value));
2430	>
2431	>	checkCompletedNormally(f, v1);
2432	>	checkCompletedNormally(g, v2);
2433	>	}}
2434
2435		/**
2436		* acceptEither result completes normally after normal completion
2437		* of either source
2438		*/
2439	<	public void testAcceptEither() {
2440	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2441	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2442	<	IncAction r = new IncAction();
2443	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2444	<	f.complete(one);
2445	<	checkCompletedNormally(g, null);
2446	<	f2.complete(one);
2447	<	checkCompletedNormally(g, null);
2448	<	assertEquals(r.value, 2);
2449	<
2450	<	r = new IncAction();
2451	<	f = new CompletableFuture<>();
2452	<	f.complete(one);
2453	<	f2 = new CompletableFuture<>();
2454	<	g = f.acceptEither(f2, r);
2455	<	checkCompletedNormally(g, null);
2456	<	assertEquals(r.value, 2);
2457	<	}
2439	>	public void testAcceptEither_normalCompletion() {
2440	>	for (ExecutionMode m : ExecutionMode.values())
2441	>	for (Integer v1 : new Integer[] { 1, null })
2442	>	for (Integer v2 : new Integer[] { 2, null })
2443	>	{
2444	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2445	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2446	>	final NoopConsumer[] rs = new NoopConsumer[6];
2447	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2448	>
2449	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2450	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2451	>	checkIncomplete(h0);
2452	>	checkIncomplete(h1);
2453	>	rs[0].assertNotInvoked();
2454	>	rs[1].assertNotInvoked();
2455	>	f.complete(v1);
2456	>	checkCompletedNormally(h0, null);
2457	>	checkCompletedNormally(h1, null);
2458	>	rs[0].assertValue(v1);
2459	>	rs[1].assertValue(v1);
2460	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2461	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2462	>	checkCompletedNormally(h2, null);
2463	>	checkCompletedNormally(h3, null);
2464	>	rs[2].assertValue(v1);
2465	>	rs[3].assertValue(v1);
2466	>	g.complete(v2);
2467	>
2468	>	// unspecified behavior - both source completions available
2469	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2470	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2471	>	checkCompletedNormally(h4, null);
2472	>	checkCompletedNormally(h5, null);
2473	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2474	>	Objects.equals(v2, rs[4].value));
2475	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2476	>	Objects.equals(v2, rs[5].value));
2477	>
2478	>	checkCompletedNormally(f, v1);
2479	>	checkCompletedNormally(g, v2);
2480	>	checkCompletedNormally(h0, null);
2481	>	checkCompletedNormally(h1, null);
2482	>	checkCompletedNormally(h2, null);
2483	>	checkCompletedNormally(h3, null);
2484	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2485	>	}}
2486
2487		/**
2488		* acceptEither result completes exceptionally after exceptional
2489		* completion of either source
2490		*/
2491	<	public void testAcceptEither2() {
2492	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2493	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2494	<	IncAction r = new IncAction();
2495	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2496	<	f.completeExceptionally(new CFException());
2497	<	f2.complete(one);
2498	<	checkCompletedWithWrappedCFException(g);
2491	>	public void testAcceptEither_exceptionalCompletion() {
2492	>	for (ExecutionMode m : ExecutionMode.values())
2493	>	for (Integer v1 : new Integer[] { 1, null })
2494	>	{
2495	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2496	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2497	>	final CFException ex = new CFException();
2498	>	final NoopConsumer[] rs = new NoopConsumer[6];
2499	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2500	>
2501	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2502	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2503	>	checkIncomplete(h0);
2504	>	checkIncomplete(h1);
2505	>	rs[0].assertNotInvoked();
2506	>	rs[1].assertNotInvoked();
2507	>	f.completeExceptionally(ex);
2508	>	checkCompletedWithWrappedException(h0, ex);
2509	>	checkCompletedWithWrappedException(h1, ex);
2510	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2511	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2512	>	checkCompletedWithWrappedException(h2, ex);
2513	>	checkCompletedWithWrappedException(h3, ex);
2514	>
2515	>	g.complete(v1);
2516	>
2517	>	// unspecified behavior - both source completions available
2518	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2519	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2520	>	try {
2521	>	assertNull(h4.join());
2522	>	rs[4].assertValue(v1);
2523	>	} catch (CompletionException ok) {
2524	>	checkCompletedWithWrappedException(h4, ex);
2525	>	rs[4].assertNotInvoked();
2526	>	}
2527	>	try {
2528	>	assertNull(h5.join());
2529	>	rs[5].assertValue(v1);
2530	>	} catch (CompletionException ok) {
2531	>	checkCompletedWithWrappedException(h5, ex);
2532	>	rs[5].assertNotInvoked();
2533	>	}
2534
2535	<	r = new IncAction();
2536	<	f = new CompletableFuture<>();
2537	<	f2 = new CompletableFuture<>();
2538	<	f2.completeExceptionally(new CFException());
2539	<	g = f.acceptEither(f2, r);
2540	<	checkCompletedWithWrappedCFException(g);
2541	<	}
2535	>	checkCompletedExceptionally(f, ex);
2536	>	checkCompletedNormally(g, v1);
2537	>	checkCompletedWithWrappedException(h0, ex);
2538	>	checkCompletedWithWrappedException(h1, ex);
2539	>	checkCompletedWithWrappedException(h2, ex);
2540	>	checkCompletedWithWrappedException(h3, ex);
2541	>	checkCompletedWithWrappedException(h4, ex);
2542	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2543	>	}}
2544	>
2545	>	public void testAcceptEither_exceptionalCompletion2() {
2546	>	for (ExecutionMode m : ExecutionMode.values())
2547	>	for (boolean fFirst : new boolean[] { true, false })
2548	>	for (Integer v1 : new Integer[] { 1, null })
2549	>	{
2550	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2551	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2552	>	final CFException ex = new CFException();
2553	>	final NoopConsumer[] rs = new NoopConsumer[6];
2554	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2555	>
2556	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2557	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2558	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2559	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2560	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2561	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2562
2563	<	/**
2564	<	* acceptEither result completes exceptionally if action does
2565	<	*/
2566	<	public void testAcceptEither3() {
2567	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2568	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2569	<	FailingConsumer r = new FailingConsumer();
2570	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2571	<	f2.complete(two);
2572	<	checkCompletedWithWrappedCFException(g);
2573	<	}
2563	>	// unspecified behavior - both source completions available
2564	>	try {
2565	>	assertEquals(null, h0.join());
2566	>	rs[0].assertValue(v1);
2567	>	} catch (CompletionException ok) {
2568	>	checkCompletedWithWrappedException(h0, ex);
2569	>	rs[0].assertNotInvoked();
2570	>	}
2571	>	try {
2572	>	assertEquals(null, h1.join());
2573	>	rs[1].assertValue(v1);
2574	>	} catch (CompletionException ok) {
2575	>	checkCompletedWithWrappedException(h1, ex);
2576	>	rs[1].assertNotInvoked();
2577	>	}
2578	>	try {
2579	>	assertEquals(null, h2.join());
2580	>	rs[2].assertValue(v1);
2581	>	} catch (CompletionException ok) {
2582	>	checkCompletedWithWrappedException(h2, ex);
2583	>	rs[2].assertNotInvoked();
2584	>	}
2585	>	try {
2586	>	assertEquals(null, h3.join());
2587	>	rs[3].assertValue(v1);
2588	>	} catch (CompletionException ok) {
2589	>	checkCompletedWithWrappedException(h3, ex);
2590	>	rs[3].assertNotInvoked();
2591	>	}
2592	>
2593	>	checkCompletedNormally(f, v1);
2594	>	checkCompletedExceptionally(g, ex);
2595	>	}}
2596
2597		/**
2598		* acceptEither result completes exceptionally if either source cancelled
2599		*/
2600	<	public void testAcceptEither4() {
2601	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2602	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2603	<	IncAction r = new IncAction();
2604	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2605	<	assertTrue(f.cancel(true));
2606	<	checkCompletedWithWrappedCancellationException(g);
2607	<	f = new CompletableFuture<>();
2608	<	f2 = new CompletableFuture<>();
2609	<	assertTrue(f2.cancel(true));
2610	<	checkCompletedWithWrappedCancellationException(g);
2611	<	}
2600	>	public void testAcceptEither_sourceCancelled() {
2601	>	for (ExecutionMode m : ExecutionMode.values())
2602	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2603	>	for (Integer v1 : new Integer[] { 1, null })
2604	>	{
2605	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2606	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2607	>	final NoopConsumer[] rs = new NoopConsumer[6];
2608	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2609	>
2610	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2611	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2612	>	checkIncomplete(h0);
2613	>	checkIncomplete(h1);
2614	>	rs[0].assertNotInvoked();
2615	>	rs[1].assertNotInvoked();
2616	>	f.cancel(mayInterruptIfRunning);
2617	>	checkCompletedWithWrappedCancellationException(h0);
2618	>	checkCompletedWithWrappedCancellationException(h1);
2619	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2620	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2621	>	checkCompletedWithWrappedCancellationException(h2);
2622	>	checkCompletedWithWrappedCancellationException(h3);
2623	>
2624	>	g.complete(v1);
2625	>
2626	>	// unspecified behavior - both source completions available
2627	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2628	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2629	>	try {
2630	>	assertNull(h4.join());
2631	>	rs[4].assertValue(v1);
2632	>	} catch (CompletionException ok) {
2633	>	checkCompletedWithWrappedCancellationException(h4);
2634	>	rs[4].assertNotInvoked();
2635	>	}
2636	>	try {
2637	>	assertNull(h5.join());
2638	>	rs[5].assertValue(v1);
2639	>	} catch (CompletionException ok) {
2640	>	checkCompletedWithWrappedCancellationException(h5);
2641	>	rs[5].assertNotInvoked();
2642	>	}
2643	>
2644	>	checkCancelled(f);
2645	>	checkCompletedNormally(g, v1);
2646	>	checkCompletedWithWrappedCancellationException(h0);
2647	>	checkCompletedWithWrappedCancellationException(h1);
2648	>	checkCompletedWithWrappedCancellationException(h2);
2649	>	checkCompletedWithWrappedCancellationException(h3);
2650	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2651	>	}}
2652
2653	+	/**
2654	+	* acceptEither result completes exceptionally if action does
2655	+	*/
2656	+	public void testAcceptEither_actionFailed() {
2657	+	for (ExecutionMode m : ExecutionMode.values())
2658	+	for (Integer v1 : new Integer[] { 1, null })
2659	+	for (Integer v2 : new Integer[] { 2, null })
2660	+	{
2661	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
2662	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
2663	+	final FailingConsumer[] rs = new FailingConsumer[6];
2664	+	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2665	+
2666	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2667	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2668	+	f.complete(v1);
2669	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2670	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2671	+	checkCompletedWithWrappedException(h0, rs[0].ex);
2672	+	checkCompletedWithWrappedException(h1, rs[1].ex);
2673	+	checkCompletedWithWrappedException(h2, rs[2].ex);
2674	+	checkCompletedWithWrappedException(h3, rs[3].ex);
2675	+	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2676	+
2677	+	g.complete(v2);
2678	+
2679	+	// unspecified behavior - both source completions available
2680	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2681	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2682	+
2683	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2684	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2685	+	Objects.equals(v2, rs[4].value));
2686	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2687	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2688	+	Objects.equals(v2, rs[5].value));
2689	+
2690	+	checkCompletedNormally(f, v1);
2691	+	checkCompletedNormally(g, v2);
2692	+	}}
2693
2694		/**
2695		* runAfterEither result completes normally after normal completion
2696		* of either source
2697		*/
2698	<	public void testRunAfterEither() {
2699	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2700	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2701	<	Noop r = new Noop();
2702	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2703	<	f.complete(one);
2704	<	checkCompletedNormally(g, null);
2705	<	f2.complete(one);
2706	<	checkCompletedNormally(g, null);
2707	<	assertTrue(r.ran);
2708	<
2709	<	r = new Noop();
2710	<	f = new CompletableFuture<>();
2711	<	f.complete(one);
2712	<	f2 = new CompletableFuture<>();
2713	<	g = f.runAfterEither(f2, r);
2714	<	checkCompletedNormally(g, null);
2715	<	assertTrue(r.ran);
2716	<	}
2698	>	public void testRunAfterEither_normalCompletion() {
2699	>	for (ExecutionMode m : ExecutionMode.values())
2700	>	for (Integer v1 : new Integer[] { 1, null })
2701	>	for (Integer v2 : new Integer[] { 2, null })
2702	>	for (boolean pushNop : new boolean[] { true, false })
2703	>	{
2704	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2705	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2706	>	final Noop[] rs = new Noop[6];
2707	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2708	>
2709	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2710	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2711	>	checkIncomplete(h0);
2712	>	checkIncomplete(h1);
2713	>	rs[0].assertNotInvoked();
2714	>	rs[1].assertNotInvoked();
2715	>	if (pushNop) {          // ad hoc test of intra-completion interference
2716	>	m.thenRun(f, () -> {});
2717	>	m.thenRun(g, () -> {});
2718	>	}
2719	>	f.complete(v1);
2720	>	checkCompletedNormally(h0, null);
2721	>	checkCompletedNormally(h1, null);
2722	>	rs[0].assertInvoked();
2723	>	rs[1].assertInvoked();
2724	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2725	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2726	>	checkCompletedNormally(h2, null);
2727	>	checkCompletedNormally(h3, null);
2728	>	rs[2].assertInvoked();
2729	>	rs[3].assertInvoked();
2730	>
2731	>	g.complete(v2);
2732	>
2733	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2734	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2735	>
2736	>	checkCompletedNormally(f, v1);
2737	>	checkCompletedNormally(g, v2);
2738	>	checkCompletedNormally(h0, null);
2739	>	checkCompletedNormally(h1, null);
2740	>	checkCompletedNormally(h2, null);
2741	>	checkCompletedNormally(h3, null);
2742	>	checkCompletedNormally(h4, null);
2743	>	checkCompletedNormally(h5, null);
2744	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2745	>	}}
2746
2747		/**
2748		* runAfterEither result completes exceptionally after exceptional
2749		* completion of either source
2750		*/
2751	<	public void testRunAfterEither2() {
2752	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2753	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2754	<	Noop r = new Noop();
2755	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2756	<	f.completeExceptionally(new CFException());
2757	<	f2.complete(one);
2758	<	checkCompletedWithWrappedCFException(g);
2751	>	public void testRunAfterEither_exceptionalCompletion() {
2752	>	for (ExecutionMode m : ExecutionMode.values())
2753	>	for (Integer v1 : new Integer[] { 1, null })
2754	>	{
2755	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2756	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2757	>	final CFException ex = new CFException();
2758	>	final Noop[] rs = new Noop[6];
2759	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2760	>
2761	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2762	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2763	>	checkIncomplete(h0);
2764	>	checkIncomplete(h1);
2765	>	rs[0].assertNotInvoked();
2766	>	rs[1].assertNotInvoked();
2767	>	assertTrue(f.completeExceptionally(ex));
2768	>	checkCompletedWithWrappedException(h0, ex);
2769	>	checkCompletedWithWrappedException(h1, ex);
2770	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2771	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2772	>	checkCompletedWithWrappedException(h2, ex);
2773	>	checkCompletedWithWrappedException(h3, ex);
2774	>
2775	>	assertTrue(g.complete(v1));
2776	>
2777	>	// unspecified behavior - both source completions available
2778	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2779	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2780	>	try {
2781	>	assertNull(h4.join());
2782	>	rs[4].assertInvoked();
2783	>	} catch (CompletionException ok) {
2784	>	checkCompletedWithWrappedException(h4, ex);
2785	>	rs[4].assertNotInvoked();
2786	>	}
2787	>	try {
2788	>	assertNull(h5.join());
2789	>	rs[5].assertInvoked();
2790	>	} catch (CompletionException ok) {
2791	>	checkCompletedWithWrappedException(h5, ex);
2792	>	rs[5].assertNotInvoked();
2793	>	}
2794
2795	<	r = new Noop();
2796	<	f = new CompletableFuture<>();
2797	<	f2 = new CompletableFuture<>();
2798	<	f2.completeExceptionally(new CFException());
2799	<	g = f.runAfterEither(f2, r);
2800	<	checkCompletedWithWrappedCFException(g);
2801	<	}
2795	>	checkCompletedExceptionally(f, ex);
2796	>	checkCompletedNormally(g, v1);
2797	>	checkCompletedWithWrappedException(h0, ex);
2798	>	checkCompletedWithWrappedException(h1, ex);
2799	>	checkCompletedWithWrappedException(h2, ex);
2800	>	checkCompletedWithWrappedException(h3, ex);
2801	>	checkCompletedWithWrappedException(h4, ex);
2802	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2803	>	}}
2804	>
2805	>	public void testRunAfterEither_exceptionalCompletion2() {
2806	>	for (ExecutionMode m : ExecutionMode.values())
2807	>	for (boolean fFirst : new boolean[] { true, false })
2808	>	for (Integer v1 : new Integer[] { 1, null })
2809	>	{
2810	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2811	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2812	>	final CFException ex = new CFException();
2813	>	final Noop[] rs = new Noop[6];
2814	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2815	>
2816	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2817	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2818	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2819	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2820	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2821	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2822	>
2823	>	// unspecified behavior - both source completions available
2824	>	try {
2825	>	assertEquals(null, h0.join());
2826	>	rs[0].assertInvoked();
2827	>	} catch (CompletionException ok) {
2828	>	checkCompletedWithWrappedException(h0, ex);
2829	>	rs[0].assertNotInvoked();
2830	>	}
2831	>	try {
2832	>	assertEquals(null, h1.join());
2833	>	rs[1].assertInvoked();
2834	>	} catch (CompletionException ok) {
2835	>	checkCompletedWithWrappedException(h1, ex);
2836	>	rs[1].assertNotInvoked();
2837	>	}
2838	>	try {
2839	>	assertEquals(null, h2.join());
2840	>	rs[2].assertInvoked();
2841	>	} catch (CompletionException ok) {
2842	>	checkCompletedWithWrappedException(h2, ex);
2843	>	rs[2].assertNotInvoked();
2844	>	}
2845	>	try {
2846	>	assertEquals(null, h3.join());
2847	>	rs[3].assertInvoked();
2848	>	} catch (CompletionException ok) {
2849	>	checkCompletedWithWrappedException(h3, ex);
2850	>	rs[3].assertNotInvoked();
2851	>	}
2852	>
2853	>	checkCompletedNormally(f, v1);
2854	>	checkCompletedExceptionally(g, ex);
2855	>	}}
2856
2857		/**
2858	<	* runAfterEither result completes exceptionally if action does
2858	>	* runAfterEither result completes exceptionally if either source cancelled
2859		*/
2860	<	public void testRunAfterEither3() {
2861	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2862	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2863	<	FailingNoop r = new FailingNoop();
2864	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2865	<	f2.complete(two);
2866	<	checkCompletedWithWrappedCFException(g);
2867	<	}
2860	>	public void testRunAfterEither_sourceCancelled() {
2861	>	for (ExecutionMode m : ExecutionMode.values())
2862	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2863	>	for (Integer v1 : new Integer[] { 1, null })
2864	>	{
2865	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2866	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2867	>	final Noop[] rs = new Noop[6];
2868	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2869	>
2870	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2871	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2872	>	checkIncomplete(h0);
2873	>	checkIncomplete(h1);
2874	>	rs[0].assertNotInvoked();
2875	>	rs[1].assertNotInvoked();
2876	>	f.cancel(mayInterruptIfRunning);
2877	>	checkCompletedWithWrappedCancellationException(h0);
2878	>	checkCompletedWithWrappedCancellationException(h1);
2879	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2880	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2881	>	checkCompletedWithWrappedCancellationException(h2);
2882	>	checkCompletedWithWrappedCancellationException(h3);
2883	>
2884	>	assertTrue(g.complete(v1));
2885	>
2886	>	// unspecified behavior - both source completions available
2887	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2888	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2889	>	try {
2890	>	assertNull(h4.join());
2891	>	rs[4].assertInvoked();
2892	>	} catch (CompletionException ok) {
2893	>	checkCompletedWithWrappedCancellationException(h4);
2894	>	rs[4].assertNotInvoked();
2895	>	}
2896	>	try {
2897	>	assertNull(h5.join());
2898	>	rs[5].assertInvoked();
2899	>	} catch (CompletionException ok) {
2900	>	checkCompletedWithWrappedCancellationException(h5);
2901	>	rs[5].assertNotInvoked();
2902	>	}
2903	>
2904	>	checkCancelled(f);
2905	>	checkCompletedNormally(g, v1);
2906	>	checkCompletedWithWrappedCancellationException(h0);
2907	>	checkCompletedWithWrappedCancellationException(h1);
2908	>	checkCompletedWithWrappedCancellationException(h2);
2909	>	checkCompletedWithWrappedCancellationException(h3);
2910	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2911	>	}}
2912
2913		/**
2914	<	* runAfterEither result completes exceptionally if either source cancelled
2914	>	* runAfterEither result completes exceptionally if action does
2915		*/
2916	<	public void testRunAfterEither4() {
2917	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2918	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2919	<	Noop r = new Noop();
2920	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2921	<	assertTrue(f.cancel(true));
2922	<	checkCompletedWithWrappedCancellationException(g);
2923	<	f = new CompletableFuture<>();
2924	<	f2 = new CompletableFuture<>();
2925	<	assertTrue(f2.cancel(true));
2926	<	checkCompletedWithWrappedCancellationException(g);
2927	<	}
2916	>	public void testRunAfterEither_actionFailed() {
2917	>	for (ExecutionMode m : ExecutionMode.values())
2918	>	for (Integer v1 : new Integer[] { 1, null })
2919	>	for (Integer v2 : new Integer[] { 2, null })
2920	>	{
2921	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2922	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2923	>	final FailingRunnable[] rs = new FailingRunnable[6];
2924	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2925	>
2926	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2927	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2928	>	assertTrue(f.complete(v1));
2929	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2930	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2931	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2932	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2933	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2934	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2935	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2936	>	assertTrue(g.complete(v2));
2937	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2938	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2939	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2940	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2941	>
2942	>	checkCompletedNormally(f, v1);
2943	>	checkCompletedNormally(g, v2);
2944	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2945	>	}}
2946
2947		/**
2948		* thenCompose result completes normally after normal completion of source
2949		*/
2950	<	public void testThenCompose() {
2951	<	CompletableFuture<Integer> f, g;
2952	<	CompletableFutureInc r;
2953	<
2954	<	f = new CompletableFuture<>();
2955	<	g = f.thenCompose(r = new CompletableFutureInc());
2956	<	f.complete(one);
2957	<	checkCompletedNormally(g, two);
2958	<	assertTrue(r.ran);
2959	<
2960	<	f = new CompletableFuture<>();
2961	<	f.complete(one);
2962	<	g = f.thenCompose(r = new CompletableFutureInc());
2963	<	checkCompletedNormally(g, two);
2964	<	assertTrue(r.ran);
1263	<	}
2950	>	public void testThenCompose_normalCompletion() {
2951	>	for (ExecutionMode m : ExecutionMode.values())
2952	>	for (boolean createIncomplete : new boolean[] { true, false })
2953	>	for (Integer v1 : new Integer[] { 1, null })
2954	>	{
2955	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2956	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2957	>	if (!createIncomplete) assertTrue(f.complete(v1));
2958	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2959	>	if (createIncomplete) assertTrue(f.complete(v1));
2960	>
2961	>	checkCompletedNormally(g, inc(v1));
2962	>	checkCompletedNormally(f, v1);
2963	>	r.assertValue(v1);
2964	>	}}
2965
2966		/**
2967		* thenCompose result completes exceptionally after exceptional
2968		* completion of source
2969		*/
2970	<	public void testThenCompose2() {
2971	<	CompletableFuture<Integer> f, g;
2972	<	CompletableFutureInc r;
2973	<
2974	<	f = new CompletableFuture<>();
2975	<	g = f.thenCompose(r = new CompletableFutureInc());
2976	<	f.completeExceptionally(new CFException());
2977	<	checkCompletedWithWrappedCFException(g);
2978	<
2979	<	f = new CompletableFuture<>();
2980	<	f.completeExceptionally(new CFException());
2981	<	g = f.thenCompose(r = new CompletableFutureInc());
2982	<	checkCompletedWithWrappedCFException(g);
2983	<	}
2970	>	public void testThenCompose_exceptionalCompletion() {
2971	>	for (ExecutionMode m : ExecutionMode.values())
2972	>	for (boolean createIncomplete : new boolean[] { true, false })
2973	>	{
2974	>	final CFException ex = new CFException();
2975	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2976	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2977	>	if (!createIncomplete) f.completeExceptionally(ex);
2978	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2979	>	if (createIncomplete) f.completeExceptionally(ex);
2980	>
2981	>	checkCompletedWithWrappedException(g, ex);
2982	>	checkCompletedExceptionally(f, ex);
2983	>	r.assertNotInvoked();
2984	>	}}
2985
2986		/**
2987		* thenCompose result completes exceptionally if action does
2988		*/
2989	<	public void testThenCompose3() {
2990	<	CompletableFuture<Integer> f, g;
2991	<	FailingCompletableFutureFunction r;
2992	<
2993	<	f = new CompletableFuture<>();
2994	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2995	<	f.complete(one);
2996	<	checkCompletedWithWrappedCFException(g);
2997	<
2998	<	f = new CompletableFuture<>();
2999	<	f.complete(one);
3000	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
3001	<	checkCompletedWithWrappedCFException(g);
3002	<	}
2989	>	public void testThenCompose_actionFailed() {
2990	>	for (ExecutionMode m : ExecutionMode.values())
2991	>	for (boolean createIncomplete : new boolean[] { true, false })
2992	>	for (Integer v1 : new Integer[] { 1, null })
2993	>	{
2994	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2995	>	final FailingCompletableFutureFunction r
2996	>	= new FailingCompletableFutureFunction(m);
2997	>	if (!createIncomplete) assertTrue(f.complete(v1));
2998	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2999	>	if (createIncomplete) assertTrue(f.complete(v1));
3000	>
3001	>	checkCompletedWithWrappedException(g, r.ex);
3002	>	checkCompletedNormally(f, v1);
3003	>	}}
3004
3005		/**
3006		* thenCompose result completes exceptionally if source cancelled
3007		*/
3008	<	public void testThenCompose4() {
3009	<	CompletableFuture<Integer> f, g;
3010	<	CompletableFutureInc r;
3011	<
3012	<	f = new CompletableFuture<>();
3013	<	g = f.thenCompose(r = new CompletableFutureInc());
3014	<	assertTrue(f.cancel(true));
3015	<	checkCompletedWithWrappedCancellationException(g);
3008	>	public void testThenCompose_sourceCancelled() {
3009	>	for (ExecutionMode m : ExecutionMode.values())
3010	>	for (boolean createIncomplete : new boolean[] { true, false })
3011	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3012	>	{
3013	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3014	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3015	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3016	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3017	>	if (createIncomplete) {
3018	>	checkIncomplete(g);
3019	>	assertTrue(f.cancel(mayInterruptIfRunning));
3020	>	}
3021
1314	–	f = new CompletableFuture<>();
1315	–	assertTrue(f.cancel(true));
1316	–	g = f.thenCompose(r = new CompletableFutureInc());
3022		checkCompletedWithWrappedCancellationException(g);
3023	<	}
3024	<
1320	<
1321	<	// asyncs
1322	<
1323	<	/**
1324	<	* thenRunAsync result completes normally after normal completion of source
1325	<	*/
1326	<	public void testThenRunAsync() {
1327	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1328	<	Noop r = new Noop();
1329	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1330	<	f.complete(null);
1331	<	checkCompletedNormally(g, null);
1332	<
1333	<	// reordered version
1334	<	f = new CompletableFuture<>();
1335	<	f.complete(null);
1336	<	r = new Noop();
1337	<	g = f.thenRunAsync(r);
1338	<	checkCompletedNormally(g, null);
1339	<	}
3023	>	checkCancelled(f);
3024	>	}}
3025
3026		/**
3027	<	* thenRunAsync result completes exceptionally after exceptional
1343	<	* completion of source
3027	>	* thenCompose result completes exceptionally if the result of the action does
3028		*/
3029	<	public void testThenRunAsync2() {
3030	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3031	<	Noop r = new Noop();
3032	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3033	<	f.completeExceptionally(new CFException());
3034	<	try {
3035	<	g.join();
3036	<	shouldThrow();
3037	<	} catch (Exception ok) {
3029	>	public void testThenCompose_actionReturnsFailingFuture() {
3030	>	for (ExecutionMode m : ExecutionMode.values())
3031	>	for (int order = 0; order < 6; order++)
3032	>	for (Integer v1 : new Integer[] { 1, null })
3033	>	{
3034	>	final CFException ex = new CFException();
3035	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3036	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3037	>	final CompletableFuture<Integer> h;
3038	>	// Test all permutations of orders
3039	>	switch (order) {
3040	>	case 0:
3041	>	assertTrue(f.complete(v1));
3042	>	assertTrue(g.completeExceptionally(ex));
3043	>	h = m.thenCompose(f, (x -> g));
3044	>	break;
3045	>	case 1:
3046	>	assertTrue(f.complete(v1));
3047	>	h = m.thenCompose(f, (x -> g));
3048	>	assertTrue(g.completeExceptionally(ex));
3049	>	break;
3050	>	case 2:
3051	>	assertTrue(g.completeExceptionally(ex));
3052	>	assertTrue(f.complete(v1));
3053	>	h = m.thenCompose(f, (x -> g));
3054	>	break;
3055	>	case 3:
3056	>	assertTrue(g.completeExceptionally(ex));
3057	>	h = m.thenCompose(f, (x -> g));
3058	>	assertTrue(f.complete(v1));
3059	>	break;
3060	>	case 4:
3061	>	h = m.thenCompose(f, (x -> g));
3062	>	assertTrue(f.complete(v1));
3063	>	assertTrue(g.completeExceptionally(ex));
3064	>	break;
3065	>	case 5:
3066	>	h = m.thenCompose(f, (x -> g));
3067	>	assertTrue(f.complete(v1));
3068	>	assertTrue(g.completeExceptionally(ex));
3069	>	break;
3070	>	default: throw new AssertionError();
3071		}
1355	–	checkCompletedWithWrappedCFException(g);
1356	–	}
3072
3073	<	/**
3074	<	* thenRunAsync result completes exceptionally if action does
3075	<	*/
3076	<	public void testThenRunAsync3() {
1362	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1363	<	FailingNoop r = new FailingNoop();
1364	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1365	<	f.complete(null);
1366	<	checkCompletedWithWrappedCFException(g);
1367	<	}
3073	>	checkCompletedExceptionally(g, ex);
3074	>	checkCompletedWithWrappedException(h, ex);
3075	>	checkCompletedNormally(f, v1);
3076	>	}}
3077
3078	<	/**
1370	<	* thenRunAsync result completes exceptionally if source cancelled
1371	<	*/
1372	<	public void testThenRunAsync4() {
1373	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1374	<	Noop r = new Noop();
1375	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1376	<	assertTrue(f.cancel(true));
1377	<	checkCompletedWithWrappedCancellationException(g);
1378	<	}
3078	>	// other static methods
3079
3080		/**
3081	<	* thenApplyAsync result completes normally after normal completion of source
3081	>	* allOf(no component futures) returns a future completed normally
3082	>	* with the value null
3083		*/
3084	<	public void testThenApplyAsync() {
3085	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3086	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1386	<	f.complete(one);
1387	<	checkCompletedNormally(g, two);
3084	>	public void testAllOf_empty() throws Exception {
3085	>	CompletableFuture<Void> f = CompletableFuture.allOf();
3086	>	checkCompletedNormally(f, null);
3087		}
3088
3089		/**
3090	<	* thenApplyAsync result completes exceptionally after exceptional
3091	<	* completion of source
3090	>	* allOf returns a future completed normally with the value null
3091	>	* when all components complete normally
3092		*/
3093	<	public void testThenApplyAsync2() {
3094	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3095	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3096	<	f.completeExceptionally(new CFException());
3097	<	checkCompletedWithWrappedCFException(g);
3093	>	public void testAllOf_normal() throws Exception {
3094	>	for (int k = 1; k < 10; k++) {
3095	>	CompletableFuture<Integer>[] fs
3096	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3097	>	for (int i = 0; i < k; i++)
3098	>	fs[i] = new CompletableFuture<>();
3099	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3100	>	for (int i = 0; i < k; i++) {
3101	>	checkIncomplete(f);
3102	>	checkIncomplete(CompletableFuture.allOf(fs));
3103	>	fs[i].complete(one);
3104	>	}
3105	>	checkCompletedNormally(f, null);
3106	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3107	>	}
3108		}
3109
3110	<	/**
3111	<	* thenApplyAsync result completes exceptionally if action does
3112	<	*/
3113	<	public void testThenApplyAsync3() {
3114	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3115	<	FailingFunction r = new FailingFunction();
3116	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
3117	<	f.complete(null);
3118	<	checkCompletedWithWrappedCFException(g);
3110	>	public void testAllOf_normal_backwards() throws Exception {
3111	>	for (int k = 1; k < 10; k++) {
3112	>	CompletableFuture<Integer>[] fs
3113	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3114	>	for (int i = 0; i < k; i++)
3115	>	fs[i] = new CompletableFuture<>();
3116	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3117	>	for (int i = k - 1; i >= 0; i--) {
3118	>	checkIncomplete(f);
3119	>	checkIncomplete(CompletableFuture.allOf(fs));
3120	>	fs[i].complete(one);
3121	>	}
3122	>	checkCompletedNormally(f, null);
3123	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3124	>	}
3125		}
3126
3127	<	/**
3128	<	* thenApplyAsync result completes exceptionally if source cancelled
3129	<	*/
3130	<	public void testThenApplyAsync4() {
3131	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3132	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3133	<	assertTrue(f.cancel(true));
3134	<	checkCompletedWithWrappedCancellationException(g);
3127	>	public void testAllOf_exceptional() throws Exception {
3128	>	for (int k = 1; k < 10; k++) {
3129	>	CompletableFuture<Integer>[] fs
3130	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3131	>	CFException ex = new CFException();
3132	>	for (int i = 0; i < k; i++)
3133	>	fs[i] = new CompletableFuture<>();
3134	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3135	>	for (int i = 0; i < k; i++) {
3136	>	checkIncomplete(f);
3137	>	checkIncomplete(CompletableFuture.allOf(fs));
3138	>	if (i != k / 2) {
3139	>	fs[i].complete(i);
3140	>	checkCompletedNormally(fs[i], i);
3141	>	} else {
3142	>	fs[i].completeExceptionally(ex);
3143	>	checkCompletedExceptionally(fs[i], ex);
3144	>	}
3145	>	}
3146	>	checkCompletedWithWrappedException(f, ex);
3147	>	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3148	>	}
3149		}
3150
3151		/**
3152	<	* thenAcceptAsync result completes normally after normal
1424	<	* completion of source
3152	>	* anyOf(no component futures) returns an incomplete future
3153		*/
3154	<	public void testThenAcceptAsync() {
3155	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3156	<	IncAction r = new IncAction();
3157	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3158	<	f.complete(one);
1431	<	checkCompletedNormally(g, null);
1432	<	assertEquals(r.value, 2);
1433	<	}
3154	>	public void testAnyOf_empty() throws Exception {
3155	>	for (Integer v1 : new Integer[] { 1, null })
3156	>	{
3157	>	CompletableFuture<Object> f = CompletableFuture.anyOf();
3158	>	checkIncomplete(f);
3159
3160	<	/**
3161	<	* thenAcceptAsync result completes exceptionally after exceptional
3162	<	* completion of source
1438	<	*/
1439	<	public void testThenAcceptAsync2() {
1440	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1441	<	IncAction r = new IncAction();
1442	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1443	<	f.completeExceptionally(new CFException());
1444	<	checkCompletedWithWrappedCFException(g);
1445	<	}
3160	>	f.complete(v1);
3161	>	checkCompletedNormally(f, v1);
3162	>	}}
3163
3164		/**
3165	<	* thenAcceptAsync result completes exceptionally if action does
3165	>	* anyOf returns a future completed normally with a value when
3166	>	* a component future does
3167		*/
3168	<	public void testThenAcceptAsync3() {
3169	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3170	<	FailingConsumer r = new FailingConsumer();
3171	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3172	<	f.complete(null);
3173	<	checkCompletedWithWrappedCFException(g);
3168	>	public void testAnyOf_normal() throws Exception {
3169	>	for (int k = 0; k < 10; k++) {
3170	>	CompletableFuture[] fs = new CompletableFuture[k];
3171	>	for (int i = 0; i < k; i++)
3172	>	fs[i] = new CompletableFuture<>();
3173	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3174	>	checkIncomplete(f);
3175	>	for (int i = 0; i < k; i++) {
3176	>	fs[i].complete(i);
3177	>	checkCompletedNormally(f, 0);
3178	>	int x = (int) CompletableFuture.anyOf(fs).join();
3179	>	assertTrue(0 <= x && x <= i);
3180	>	}
3181	>	}
3182		}
3183	<
3184	<	/**
3185	<	* thenAcceptAsync result completes exceptionally if source cancelled
3186	<	*/
3187	<	public void testThenAcceptAsync4() {
3188	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3189	<	IncAction r = new IncAction();
3190	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3191	<	assertTrue(f.cancel(true));
3192	<	checkCompletedWithWrappedCancellationException(g);
3183	>	public void testAnyOf_normal_backwards() throws Exception {
3184	>	for (int k = 0; k < 10; k++) {
3185	>	CompletableFuture[] fs = new CompletableFuture[k];
3186	>	for (int i = 0; i < k; i++)
3187	>	fs[i] = new CompletableFuture<>();
3188	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3189	>	checkIncomplete(f);
3190	>	for (int i = k - 1; i >= 0; i--) {
3191	>	fs[i].complete(i);
3192	>	checkCompletedNormally(f, k - 1);
3193	>	int x = (int) CompletableFuture.anyOf(fs).join();
3194	>	assertTrue(i <= x && x <= k - 1);
3195	>	}
3196	>	}
3197		}
3198
3199		/**
3200	<	* thenCombineAsync result completes normally after normal
1471	<	* completion of sources
3200	>	* anyOf result completes exceptionally when any component does.
3201		*/
3202	<	public void testThenCombineAsync() {
3203	<	CompletableFuture<Integer> f, g, h;
3204	<
3205	<	f = new CompletableFuture<>();
3206	<	g = new CompletableFuture<>();
3207	<	h = f.thenCombineAsync(g, subtract);
3208	<	f.complete(3);
3209	<	checkIncomplete(h);
3210	<	g.complete(1);
3211	<	checkCompletedNormally(h, 2);
3212	<
3213	<	f = new CompletableFuture<>();
3214	<	g = new CompletableFuture<>();
3215	<	h = f.thenCombineAsync(g, subtract);
3216	<	g.complete(1);
3217	<	checkIncomplete(h);
1489	<	f.complete(3);
1490	<	checkCompletedNormally(h, 2);
1491	<
1492	<	f = new CompletableFuture<>();
1493	<	g = new CompletableFuture<>();
1494	<	g.complete(1);
1495	<	f.complete(3);
1496	<	h = f.thenCombineAsync(g, subtract);
1497	<	checkCompletedNormally(h, 2);
3202	>	public void testAnyOf_exceptional() throws Exception {
3203	>	for (int k = 0; k < 10; k++) {
3204	>	CompletableFuture[] fs = new CompletableFuture[k];
3205	>	CFException[] exs = new CFException[k];
3206	>	for (int i = 0; i < k; i++) {
3207	>	fs[i] = new CompletableFuture<>();
3208	>	exs[i] = new CFException();
3209	>	}
3210	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3211	>	checkIncomplete(f);
3212	>	for (int i = 0; i < k; i++) {
3213	>	fs[i].completeExceptionally(exs[i]);
3214	>	checkCompletedWithWrappedException(f, exs[0]);
3215	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3216	>	}
3217	>	}
3218		}
3219
3220	<	/**
3221	<	* thenCombineAsync result completes exceptionally after exceptional
3222	<	* completion of either source
3223	<	*/
3224	<	public void testThenCombineAsync2() {
3225	<	CompletableFuture<Integer> f, g, h;
3226	<
3227	<	f = new CompletableFuture<>();
3228	<	g = new CompletableFuture<>();
3229	<	h = f.thenCombineAsync(g, subtract);
3230	<	f.completeExceptionally(new CFException());
3231	<	checkIncomplete(h);
3232	<	g.complete(1);
3233	<	checkCompletedWithWrappedCFException(h);
3234	<
3235	<	f = new CompletableFuture<>();
1516	<	g = new CompletableFuture<>();
1517	<	h = f.thenCombineAsync(g, subtract);
1518	<	g.completeExceptionally(new CFException());
1519	<	checkIncomplete(h);
1520	<	f.complete(3);
1521	<	checkCompletedWithWrappedCFException(h);
1522	<
1523	<	f = new CompletableFuture<>();
1524	<	g = new CompletableFuture<>();
1525	<	g.completeExceptionally(new CFException());
1526	<	f.complete(3);
1527	<	h = f.thenCombineAsync(g, subtract);
1528	<	checkCompletedWithWrappedCFException(h);
3220	>	public void testAnyOf_exceptional_backwards() throws Exception {
3221	>	for (int k = 0; k < 10; k++) {
3222	>	CompletableFuture[] fs = new CompletableFuture[k];
3223	>	CFException[] exs = new CFException[k];
3224	>	for (int i = 0; i < k; i++) {
3225	>	fs[i] = new CompletableFuture<>();
3226	>	exs[i] = new CFException();
3227	>	}
3228	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3229	>	checkIncomplete(f);
3230	>	for (int i = k - 1; i >= 0; i--) {
3231	>	fs[i].completeExceptionally(exs[i]);
3232	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3233	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3234	>	}
3235	>	}
3236		}
3237
3238		/**
3239	<	* thenCombineAsync result completes exceptionally if action does
3239	>	* Completion methods throw NullPointerException with null arguments
3240		*/
3241	<	public void testThenCombineAsync3() {
3241	>	public void testNPE() {
3242		CompletableFuture<Integer> f = new CompletableFuture<>();
3243	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3244	<	FailingBiFunction r = new FailingBiFunction();
3245	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1539	<	f.complete(one);
1540	<	checkIncomplete(g);
1541	<	assertFalse(r.ran);
1542	<	f2.complete(two);
1543	<	checkCompletedWithWrappedCFException(g);
1544	<	assertTrue(r.ran);
1545	<	}
3243	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3244	>	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3245	>	ThreadExecutor exec = new ThreadExecutor();
3246
3247	<	/**
3248	<	* thenCombineAsync result completes exceptionally if either source cancelled
3249	<	*/
3250	<	public void testThenCombineAsync4() {
3251	<	CompletableFuture<Integer> f, g, h;
3247	>	Runnable[] throwingActions = {
3248	>	() -> CompletableFuture.supplyAsync(null),
3249	>	() -> CompletableFuture.supplyAsync(null, exec),
3250	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3251	>
3252	>	() -> CompletableFuture.runAsync(null),
3253	>	() -> CompletableFuture.runAsync(null, exec),
3254	>	() -> CompletableFuture.runAsync(() -> {}, null),
3255	>
3256	>	() -> f.completeExceptionally(null),
3257	>
3258	>	() -> f.thenApply(null),
3259	>	() -> f.thenApplyAsync(null),
3260	>	() -> f.thenApplyAsync(x -> x, null),
3261	>	() -> f.thenApplyAsync(null, exec),
3262	>
3263	>	() -> f.thenAccept(null),
3264	>	() -> f.thenAcceptAsync(null),
3265	>	() -> f.thenAcceptAsync(x -> {} , null),
3266	>	() -> f.thenAcceptAsync(null, exec),
3267	>
3268	>	() -> f.thenRun(null),
3269	>	() -> f.thenRunAsync(null),
3270	>	() -> f.thenRunAsync(() -> {} , null),
3271	>	() -> f.thenRunAsync(null, exec),
3272	>
3273	>	() -> f.thenCombine(g, null),
3274	>	() -> f.thenCombineAsync(g, null),
3275	>	() -> f.thenCombineAsync(g, null, exec),
3276	>	() -> f.thenCombine(nullFuture, (x, y) -> x),
3277	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3278	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3279	>	() -> f.thenCombineAsync(g, (x, y) -> x, null),
3280	>
3281	>	() -> f.thenAcceptBoth(g, null),
3282	>	() -> f.thenAcceptBothAsync(g, null),
3283	>	() -> f.thenAcceptBothAsync(g, null, exec),
3284	>	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3285	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3286	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3287	>	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3288	>
3289	>	() -> f.runAfterBoth(g, null),
3290	>	() -> f.runAfterBothAsync(g, null),
3291	>	() -> f.runAfterBothAsync(g, null, exec),
3292	>	() -> f.runAfterBoth(nullFuture, () -> {}),
3293	>	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3294	>	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3295	>	() -> f.runAfterBothAsync(g, () -> {}, null),
3296	>
3297	>	() -> f.applyToEither(g, null),
3298	>	() -> f.applyToEitherAsync(g, null),
3299	>	() -> f.applyToEitherAsync(g, null, exec),
3300	>	() -> f.applyToEither(nullFuture, x -> x),
3301	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3302	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3303	>	() -> f.applyToEitherAsync(g, x -> x, null),
3304	>
3305	>	() -> f.acceptEither(g, null),
3306	>	() -> f.acceptEitherAsync(g, null),
3307	>	() -> f.acceptEitherAsync(g, null, exec),
3308	>	() -> f.acceptEither(nullFuture, x -> {}),
3309	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3310	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3311	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3312	>
3313	>	() -> f.runAfterEither(g, null),
3314	>	() -> f.runAfterEitherAsync(g, null),
3315	>	() -> f.runAfterEitherAsync(g, null, exec),
3316	>	() -> f.runAfterEither(nullFuture, () -> {}),
3317	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3318	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3319	>	() -> f.runAfterEitherAsync(g, () -> {}, null),
3320	>
3321	>	() -> f.thenCompose(null),
3322	>	() -> f.thenComposeAsync(null),
3323	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3324	>	() -> f.thenComposeAsync(null, exec),
3325	>
3326	>	() -> f.exceptionally(null),
3327	>
3328	>	() -> f.handle(null),
3329	>
3330	>	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3331	>	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3332	>	() -> CompletableFuture.allOf(f, null),
3333	>	() -> CompletableFuture.allOf(null, f),
3334	>
3335	>	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3336	>	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3337	>	() -> CompletableFuture.anyOf(f, null),
3338	>	() -> CompletableFuture.anyOf(null, f),
3339	>
3340	>	() -> f.obtrudeException(null),
3341	>
3342	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3343	>	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3344	>	() -> CompletableFuture.delayedExecutor(1L, null),
3345
3346	<	f = new CompletableFuture<>();
3347	<	g = new CompletableFuture<>();
1555	<	h = f.thenCombineAsync(g, subtract);
1556	<	assertTrue(f.cancel(true));
1557	<	checkIncomplete(h);
1558	<	g.complete(1);
1559	<	checkCompletedWithWrappedCancellationException(h);
3346	>	() -> f.orTimeout(1L, null),
3347	>	() -> f.completeOnTimeout(42, 1L, null),
3348
3349	<	f = new CompletableFuture<>();
3350	<	g = new CompletableFuture<>();
3351	<	h = f.thenCombineAsync(g, subtract);
1564	<	assertTrue(g.cancel(true));
1565	<	checkIncomplete(h);
1566	<	f.complete(3);
1567	<	checkCompletedWithWrappedCancellationException(h);
1568	<
1569	<	f = new CompletableFuture<>();
1570	<	g = new CompletableFuture<>();
1571	<	g.complete(3);
1572	<	assertTrue(f.cancel(true));
1573	<	h = f.thenCombineAsync(g, subtract);
1574	<	checkCompletedWithWrappedCancellationException(h);
3349	>	() -> CompletableFuture.failedFuture(null),
3350	>	() -> CompletableFuture.failedStage(null),
3351	>	};
3352
3353	<	f = new CompletableFuture<>();
3354	<	g = new CompletableFuture<>();
1578	<	f.complete(3);
1579	<	assertTrue(g.cancel(true));
1580	<	h = f.thenCombineAsync(g, subtract);
1581	<	checkCompletedWithWrappedCancellationException(h);
3353	>	assertThrows(NullPointerException.class, throwingActions);
3354	>	assertEquals(0, exec.count.get());
3355		}
3356
3357		/**
3358	<	* thenAcceptBothAsync result completes normally after normal
1586	<	* completion of sources
3358	>	* Test submissions to an executor that rejects all tasks.
3359		*/
3360	<	public void testThenAcceptBothAsync() {
3361	<	CompletableFuture<Integer> f, g;
3362	<	CompletableFuture<Void> h;
3363	<	SubtractAction r;
3364	<
3365	<	f = new CompletableFuture<>();
3366	<	g = new CompletableFuture<>();
3367	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3368	<	f.complete(3);
3369	<	checkIncomplete(h);
3370	<	g.complete(1);
3371	<	checkCompletedNormally(h, null);
3372	<	assertEquals(r.value, 2);
3373	<
3374	<	f = new CompletableFuture<>();
3375	<	g = new CompletableFuture<>();
3376	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3377	<	g.complete(1);
3378	<	checkIncomplete(h);
3379	<	f.complete(3);
3380	<	checkCompletedNormally(h, null);
3381	<	assertEquals(r.value, 2);
3382	<
3383	<	f = new CompletableFuture<>();
3384	<	g = new CompletableFuture<>();
3385	<	g.complete(1);
3386	<	f.complete(3);
3387	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3388	<	checkCompletedNormally(h, null);
3389	<	assertEquals(r.value, 2);
3390	<	}
3360	>	public void testRejectingExecutor() {
3361	>	for (Integer v : new Integer[] { 1, null })
3362	>	{
3363	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3364	>
3365	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3366	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3367	>
3368	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3369	>
3370	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3371	>	srcs.add(complete);
3372	>	srcs.add(incomplete);
3373	>
3374	>	for (CompletableFuture<Integer> src : srcs) {
3375	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3376	>	fs.add(src.thenRunAsync(() -> {}, e));
3377	>	fs.add(src.thenAcceptAsync(z -> {}, e));
3378	>	fs.add(src.thenApplyAsync(z -> z, e));
3379	>
3380	>	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3381	>	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3382	>	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3383	>
3384	>	fs.add(src.applyToEitherAsync(src, z -> z, e));
3385	>	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3386	>	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3387	>
3388	>	fs.add(src.thenComposeAsync(z -> null, e));
3389	>	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3390	>	fs.add(src.handleAsync((z, t) -> null, e));
3391	>
3392	>	for (CompletableFuture<?> future : fs) {
3393	>	if (src.isDone())
3394	>	checkCompletedWithWrappedException(future, e.ex);
3395	>	else
3396	>	checkIncomplete(future);
3397	>	}
3398	>	futures.addAll(fs);
3399	>	}
3400
3401	<	/**
3402	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1622	<	* completion of source
1623	<	*/
1624	<	public void testThenAcceptBothAsync2() {
1625	<	CompletableFuture<Integer> f, g;
1626	<	CompletableFuture<Void> h;
1627	<	SubtractAction r;
3401	>	{
3402	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3403
3404	<	f = new CompletableFuture<>();
3405	<	g = new CompletableFuture<>();
1631	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1632	<	f.completeExceptionally(new CFException());
1633	<	checkIncomplete(h);
1634	<	g.complete(1);
1635	<	checkCompletedWithWrappedCFException(h);
3404	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3405	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3406
3407	<	f = new CompletableFuture<>();
3408	<	g = new CompletableFuture<>();
1639	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1640	<	g.completeExceptionally(new CFException());
1641	<	checkIncomplete(h);
1642	<	f.complete(3);
1643	<	checkCompletedWithWrappedCFException(h);
3407	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3408	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3409
3410	<	f = new CompletableFuture<>();
3411	<	g = new CompletableFuture<>();
1647	<	f.complete(3);
1648	<	g.completeExceptionally(new CFException());
1649	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1650	<	checkCompletedWithWrappedCFException(h);
3410	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3411	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3412
3413	<	f = new CompletableFuture<>();
3414	<	g = new CompletableFuture<>();
3415	<	f.completeExceptionally(new CFException());
3416	<	g.complete(3);
1656	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1657	<	checkCompletedWithWrappedCFException(h);
1658	<	}
3413	>	for (CompletableFuture<?> future : fs)
3414	>	checkIncomplete(future);
3415	>	futures.addAll(fs);
3416	>	}
3417
3418	<	/**
3419	<	* thenAcceptBothAsync result completes exceptionally if action does
1662	<	*/
1663	<	public void testThenAcceptBothAsync3() {
1664	<	CompletableFuture<Integer> f, g;
1665	<	CompletableFuture<Void> h;
1666	<	FailingBiConsumer r;
3418	>	{
3419	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3420
3421	<	f = new CompletableFuture<>();
3422	<	g = new CompletableFuture<>();
1670	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1671	<	f.complete(3);
1672	<	checkIncomplete(h);
1673	<	g.complete(1);
1674	<	checkCompletedWithWrappedCFException(h);
3421	>	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3422	>	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3423
3424	<	f = new CompletableFuture<>();
3425	<	g = new CompletableFuture<>();
1678	<	f.complete(3);
1679	<	g.complete(1);
1680	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1681	<	checkCompletedWithWrappedCFException(h);
1682	<	}
3424	>	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3425	>	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3426
3427	<	/**
3428	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1686	<	*/
1687	<	public void testThenAcceptBothAsync4() {
1688	<	CompletableFuture<Integer> f, g;
1689	<	CompletableFuture<Void> h;
1690	<	SubtractAction r;
3427	>	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3428	>	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3429
3430	<	f = new CompletableFuture<>();
3431	<	g = new CompletableFuture<>();
3432	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3433	<	assertTrue(f.cancel(true));
1696	<	checkIncomplete(h);
1697	<	g.complete(1);
1698	<	checkCompletedWithWrappedCancellationException(h);
3430	>	for (CompletableFuture<?> future : fs)
3431	>	checkCompletedWithWrappedException(future, e.ex);
3432	>	futures.addAll(fs);
3433	>	}
3434
3435	<	f = new CompletableFuture<>();
1701	<	g = new CompletableFuture<>();
1702	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1703	<	assertTrue(g.cancel(true));
1704	<	checkIncomplete(h);
1705	<	f.complete(3);
1706	<	checkCompletedWithWrappedCancellationException(h);
3435	>	incomplete.complete(v);
3436
3437	<	f = new CompletableFuture<>();
3438	<	g = new CompletableFuture<>();
1710	<	f.complete(3);
1711	<	assertTrue(g.cancel(true));
1712	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1713	<	checkCompletedWithWrappedCancellationException(h);
3437	>	for (CompletableFuture<?> future : futures)
3438	>	checkCompletedWithWrappedException(future, e.ex);
3439
3440	<	f = new CompletableFuture<>();
3441	<	g = new CompletableFuture<>();
1717	<	assertTrue(f.cancel(true));
1718	<	g.complete(3);
1719	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1720	<	checkCompletedWithWrappedCancellationException(h);
1721	<	}
3440	>	assertEquals(futures.size(), e.count.get());
3441	>	}}
3442
3443		/**
3444	<	* runAfterBothAsync result completes normally after normal
3445	<	* completion of sources
3444	>	* Test submissions to an executor that rejects all tasks, but
3445	>	* should never be invoked because the dependent future is
3446	>	* explicitly completed.
3447		*/
3448	<	public void testRunAfterBothAsync() {
3449	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3450	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3451	<	Noop r = new Noop();
1731	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1732	<	f.complete(one);
1733	<	checkIncomplete(g);
1734	<	f2.complete(two);
1735	<	checkCompletedNormally(g, null);
1736	<	assertTrue(r.ran);
1737	<	}
3448	>	public void testRejectingExecutorNeverInvoked() {
3449	>	for (Integer v : new Integer[] { 1, null })
3450	>	{
3451	>	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3452
3453	<	/**
3454	<	* runAfterBothAsync result completes exceptionally after exceptional
1741	<	* completion of source
1742	<	*/
1743	<	public void testRunAfterBothAsync2() {
1744	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1745	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1746	<	Noop r = new Noop();
1747	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1748	<	f.completeExceptionally(new CFException());
1749	<	f2.complete(two);
1750	<	checkCompletedWithWrappedCFException(g);
3453	>	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3454	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3455
3456	<	r = new Noop();
1753	<	f = new CompletableFuture<>();
1754	<	f2 = new CompletableFuture<>();
1755	<	g = f.runAfterBothAsync(f2, r);
1756	<	f.complete(one);
1757	<	f2.completeExceptionally(new CFException());
1758	<	checkCompletedWithWrappedCFException(g);
1759	<	}
3456	>	List<CompletableFuture<?>> futures = new ArrayList<>();
3457
3458	<	/**
3459	<	* runAfterBothAsync result completes exceptionally if action does
3460	<	*/
1764	<	public void testRunAfterBothAsync3() {
1765	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1766	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1767	<	FailingNoop r = new FailingNoop();
1768	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1769	<	f.complete(one);
1770	<	checkIncomplete(g);
1771	<	f2.complete(two);
1772	<	checkCompletedWithWrappedCFException(g);
1773	<	}
3458	>	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3459	>	srcs.add(complete);
3460	>	srcs.add(incomplete);
3461
3462	<	/**
3463	<	* runAfterBothAsync result completes exceptionally if either source cancelled
3464	<	*/
3465	<	public void testRunAfterBothAsync4() {
1779	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1780	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1781	<	Noop r = new Noop();
1782	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1783	<	assertTrue(f.cancel(true));
1784	<	f2.complete(two);
1785	<	checkCompletedWithWrappedCancellationException(g);
3462	>	List<CompletableFuture<?>> fs = new ArrayList<>();
3463	>	fs.add(incomplete.thenRunAsync(() -> {}, e));
3464	>	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3465	>	fs.add(incomplete.thenApplyAsync(z -> z, e));
3466
3467	<	r = new Noop();
3468	<	f = new CompletableFuture<>();
3469	<	f2 = new CompletableFuture<>();
1790	<	g = f.runAfterBothAsync(f2, r);
1791	<	f.complete(one);
1792	<	assertTrue(f2.cancel(true));
1793	<	checkCompletedWithWrappedCancellationException(g);
1794	<	}
3467	>	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3468	>	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3469	>	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3470
3471	<	/**
3472	<	* applyToEitherAsync result completes normally after normal
3473	<	* completion of sources
1799	<	*/
1800	<	public void testApplyToEitherAsync() {
1801	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1802	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1803	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1804	<	f.complete(one);
1805	<	checkCompletedNormally(g, two);
3471	>	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3472	>	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3473	>	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3474
3475	<	f = new CompletableFuture<>();
3476	<	f.complete(one);
3477	<	f2 = new CompletableFuture<>();
1810	<	g = f.applyToEitherAsync(f2, inc);
1811	<	checkCompletedNormally(g, two);
1812	<	}
3475	>	fs.add(incomplete.thenComposeAsync(z -> null, e));
3476	>	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3477	>	fs.add(incomplete.handleAsync((z, t) -> null, e));
3478
3479	<	/**
3480	<	* applyToEitherAsync result completes exceptionally after exceptional
1816	<	* completion of source
1817	<	*/
1818	<	public void testApplyToEitherAsync2() {
1819	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1820	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1821	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1822	<	f.completeExceptionally(new CFException());
1823	<	checkCompletedWithWrappedCFException(g);
1824	<
1825	<	f = new CompletableFuture<>();
1826	<	f2 = new CompletableFuture<>();
1827	<	f2.completeExceptionally(new CFException());
1828	<	g = f.applyToEitherAsync(f2, inc);
1829	<	f.complete(one);
1830	<	checkCompletedWithWrappedCFException(g);
1831	<	}
1832	<
1833	<	/**
1834	<	* applyToEitherAsync result completes exceptionally if action does
1835	<	*/
1836	<	public void testApplyToEitherAsync3() {
1837	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1838	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1839	<	FailingFunction r = new FailingFunction();
1840	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1841	<	f.complete(one);
1842	<	checkCompletedWithWrappedCFException(g);
1843	<	}
3479	>	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3480	>	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3481
3482	<	/**
3483	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1847	<	*/
1848	<	public void testApplyToEitherAsync4() {
1849	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1850	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1851	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1852	<	assertTrue(f.cancel(true));
1853	<	checkCompletedWithWrappedCancellationException(g);
3482	>	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3483	>	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3484
3485	<	f = new CompletableFuture<>();
3486	<	f2 = new CompletableFuture<>();
1857	<	assertTrue(f2.cancel(true));
1858	<	g = f.applyToEitherAsync(f2, inc);
1859	<	checkCompletedWithWrappedCancellationException(g);
1860	<	}
3485	>	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3486	>	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3487
3488	<	/**
3489	<	* acceptEitherAsync result completes normally after normal
1864	<	* completion of sources
1865	<	*/
1866	<	public void testAcceptEitherAsync() {
1867	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1868	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1869	<	IncAction r = new IncAction();
1870	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1871	<	f.complete(one);
1872	<	checkCompletedNormally(g, null);
1873	<	assertEquals(r.value, 2);
3488	>	for (CompletableFuture<?> future : fs)
3489	>	checkIncomplete(future);
3490
3491	<	r = new IncAction();
3492	<	f = new CompletableFuture<>();
1877	<	f.complete(one);
1878	<	f2 = new CompletableFuture<>();
1879	<	g = f.acceptEitherAsync(f2, r);
1880	<	checkCompletedNormally(g, null);
1881	<	assertEquals(r.value, 2);
1882	<	}
3491	>	for (CompletableFuture<?> future : fs)
3492	>	future.complete(null);
3493
3494	<	/**
1885	<	* acceptEitherAsync result completes exceptionally after exceptional
1886	<	* completion of source
1887	<	*/
1888	<	public void testAcceptEitherAsync2() {
1889	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1890	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1891	<	IncAction r = new IncAction();
1892	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1893	<	f.completeExceptionally(new CFException());
1894	<	checkCompletedWithWrappedCFException(g);
3494	>	incomplete.complete(v);
3495
3496	<	r = new IncAction();
3497	<	f = new CompletableFuture<>();
1898	<	f2 = new CompletableFuture<>();
1899	<	f2.completeExceptionally(new CFException());
1900	<	g = f.acceptEitherAsync(f2, r);
1901	<	f.complete(one);
1902	<	checkCompletedWithWrappedCFException(g);
1903	<	}
3496	>	for (CompletableFuture<?> future : fs)
3497	>	checkCompletedNormally(future, null);
3498
3499	<	/**
3500	<	* acceptEitherAsync result completes exceptionally if action does
1907	<	*/
1908	<	public void testAcceptEitherAsync3() {
1909	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1910	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1911	<	FailingConsumer r = new FailingConsumer();
1912	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1913	<	f.complete(one);
1914	<	checkCompletedWithWrappedCFException(g);
1915	<	}
3499	>	assertEquals(0, e.count.get());
3500	>	}}
3501
3502		/**
3503	<	* acceptEitherAsync result completes exceptionally if either
1919	<	* source cancelled
3503	>	* toCompletableFuture returns this CompletableFuture.
3504		*/
3505	<	public void testAcceptEitherAsync4() {
3505	>	public void testToCompletableFuture() {
3506		CompletableFuture<Integer> f = new CompletableFuture<>();
3507	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1924	<	IncAction r = new IncAction();
1925	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1926	<	assertTrue(f.cancel(true));
1927	<	checkCompletedWithWrappedCancellationException(g);
1928	<
1929	<	r = new IncAction();
1930	<	f = new CompletableFuture<>();
1931	<	f2 = new CompletableFuture<>();
1932	<	assertTrue(f2.cancel(true));
1933	<	g = f.acceptEitherAsync(f2, r);
1934	<	checkCompletedWithWrappedCancellationException(g);
3507	>	assertSame(f, f.toCompletableFuture());
3508		}
3509
3510	<	/**
1938	<	* runAfterEitherAsync result completes normally after normal
1939	<	* completion of sources
1940	<	*/
1941	<	public void testRunAfterEitherAsync() {
1942	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1943	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1944	<	Noop r = new Noop();
1945	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1946	<	f.complete(one);
1947	<	checkCompletedNormally(g, null);
1948	<	assertTrue(r.ran);
1949	<
1950	<	r = new Noop();
1951	<	f = new CompletableFuture<>();
1952	<	f.complete(one);
1953	<	f2 = new CompletableFuture<>();
1954	<	g = f.runAfterEitherAsync(f2, r);
1955	<	checkCompletedNormally(g, null);
1956	<	assertTrue(r.ran);
1957	<	}
3510	>	// jdk9
3511
3512		/**
3513	<	* runAfterEitherAsync result completes exceptionally after exceptional
1961	<	* completion of source
3513	>	* newIncompleteFuture returns an incomplete CompletableFuture
3514		*/
3515	<	public void testRunAfterEitherAsync2() {
3515	>	public void testNewIncompleteFuture() {
3516	>	for (Integer v1 : new Integer[] { 1, null })
3517	>	{
3518		CompletableFuture<Integer> f = new CompletableFuture<>();
3519	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3520	<	Noop r = new Noop();
3521	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3522	<	f.completeExceptionally(new CFException());
3523	<	checkCompletedWithWrappedCFException(g);
3524	<
3525	<	r = new Noop();
3526	<	f = new CompletableFuture<>();
3527	<	f2 = new CompletableFuture<>();
3528	<	f2.completeExceptionally(new CFException());
1975	<	g = f.runAfterEitherAsync(f2, r);
1976	<	f.complete(one);
1977	<	checkCompletedWithWrappedCFException(g);
1978	<	}
3519	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3520	>	checkIncomplete(f);
3521	>	checkIncomplete(g);
3522	>	f.complete(v1);
3523	>	checkCompletedNormally(f, v1);
3524	>	checkIncomplete(g);
3525	>	g.complete(v1);
3526	>	checkCompletedNormally(g, v1);
3527	>	assertSame(g.getClass(), CompletableFuture.class);
3528	>	}}
3529
3530		/**
3531	<	* runAfterEitherAsync result completes exceptionally if action does
3531	>	* completedStage returns a completed CompletionStage
3532		*/
3533	<	public void testRunAfterEitherAsync3() {
3534	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3535	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3536	<	FailingNoop r = new FailingNoop();
3537	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3538	<	f.complete(one);
3539	<	checkCompletedWithWrappedCFException(g);
3533	>	public void testCompletedStage() {
3534	>	AtomicInteger x = new AtomicInteger(0);
3535	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3536	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3537	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3538	>	assertEquals(x.get(), 1);
3539	>	assertNull(r.get());
3540		}
3541
3542		/**
3543	<	* runAfterEitherAsync result completes exceptionally if either
3544	<	* source cancelled
3543	>	* defaultExecutor by default returns the commonPool if
3544	>	* it supports more than one thread.
3545		*/
3546	<	public void testRunAfterEitherAsync4() {
3546	>	public void testDefaultExecutor() {
3547		CompletableFuture<Integer> f = new CompletableFuture<>();
3548	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3549	<	Noop r = new Noop();
3550	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3551	<	assertTrue(f.cancel(true));
3552	<	checkCompletedWithWrappedCancellationException(g);
3553	<
2004	<	r = new Noop();
2005	<	f = new CompletableFuture<>();
2006	<	f2 = new CompletableFuture<>();
2007	<	assertTrue(f2.cancel(true));
2008	<	g = f.runAfterEitherAsync(f2, r);
2009	<	checkCompletedWithWrappedCancellationException(g);
2010	<	}
2011	<
2012	<	/**
2013	<	* thenComposeAsync result completes normally after normal
2014	<	* completion of source
2015	<	*/
2016	<	public void testThenComposeAsync() {
2017	<	CompletableFuture<Integer> f, g;
2018	<	CompletableFutureInc r;
2019	<
2020	<	f = new CompletableFuture<>();
2021	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2022	<	f.complete(one);
2023	<	checkCompletedNormally(g, two);
2024	<
2025	<	f = new CompletableFuture<>();
2026	<	f.complete(one);
2027	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2028	<	checkCompletedNormally(g, two);
2029	<	}
2030	<
2031	<	/**
2032	<	* thenComposeAsync result completes exceptionally after
2033	<	* exceptional completion of source
2034	<	*/
2035	<	public void testThenComposeAsync2() {
2036	<	CompletableFuture<Integer> f, g;
2037	<	CompletableFutureInc r;
2038	<
2039	<	f = new CompletableFuture<>();
2040	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2041	<	f.completeExceptionally(new CFException());
2042	<	checkCompletedWithWrappedCFException(g);
2043	<	assertFalse(r.ran);
2044	<
2045	<	f = new CompletableFuture<>();
2046	<	f.completeExceptionally(new CFException());
2047	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2048	<	checkCompletedWithWrappedCFException(g);
2049	<	assertFalse(r.ran);
2050	<	}
2051	<
2052	<	/**
2053	<	* thenComposeAsync result completes exceptionally if action does
2054	<	*/
2055	<	public void testThenComposeAsync3() {
2056	<	CompletableFuture<Integer> f, g;
2057	<	FailingCompletableFutureFunction r;
2058	<
2059	<	f = new CompletableFuture<>();
2060	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2061	<	f.complete(one);
2062	<	checkCompletedWithWrappedCFException(g);
2063	<
2064	<	f = new CompletableFuture<>();
2065	<	f.complete(one);
2066	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2067	<	checkCompletedWithWrappedCFException(g);
3548	>	Executor e = f.defaultExecutor();
3549	>	Executor c = ForkJoinPool.commonPool();
3550	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3551	>	assertSame(e, c);
3552	>	else
3553	>	assertNotSame(e, c);
3554		}
3555
3556		/**
3557	<	* thenComposeAsync result completes exceptionally if source cancelled
3557	>	* failedFuture returns a CompletableFuture completed
3558	>	* exceptionally with the given Exception
3559		*/
3560	<	public void testThenComposeAsync4() {
3561	<	CompletableFuture<Integer> f, g;
3562	<	CompletableFutureInc r;
3563	<
2077	<	f = new CompletableFuture<>();
2078	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2079	<	assertTrue(f.cancel(true));
2080	<	checkCompletedWithWrappedCancellationException(g);
2081	<
2082	<	f = new CompletableFuture<>();
2083	<	assertTrue(f.cancel(true));
2084	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2085	<	checkCompletedWithWrappedCancellationException(g);
3560	>	public void testFailedFuture() {
3561	>	CFException ex = new CFException();
3562	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3563	>	checkCompletedExceptionally(f, ex);
3564		}
3565
2088	–
2089	–	// async with explicit executors
2090	–
3566		/**
3567	<	* thenRunAsync result completes normally after normal completion of source
3567	>	* failedFuture(null) throws NPE
3568		*/
3569	<	public void testThenRunAsyncE() {
2095	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2096	<	Noop r = new Noop();
2097	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2098	<	f.complete(null);
2099	<	checkCompletedNormally(g, null);
2100	<
2101	<	// reordered version
2102	<	f = new CompletableFuture<>();
2103	<	f.complete(null);
2104	<	r = new Noop();
2105	<	g = f.thenRunAsync(r, new ThreadExecutor());
2106	<	checkCompletedNormally(g, null);
2107	<	}
2108	<
2109	<	/**
2110	<	* thenRunAsync result completes exceptionally after exceptional
2111	<	* completion of source
2112	<	*/
2113	<	public void testThenRunAsync2E() {
2114	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2115	<	Noop r = new Noop();
2116	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2117	<	f.completeExceptionally(new CFException());
3569	>	public void testFailedFuture_null() {
3570		try {
3571	<	g.join();
3571	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3572		shouldThrow();
3573	<	} catch (Exception ok) {
2122	<	}
2123	<	checkCompletedWithWrappedCFException(g);
3573	>	} catch (NullPointerException success) {}
3574		}
3575
3576		/**
3577	<	* thenRunAsync result completes exceptionally if action does
3577	>	* copy returns a CompletableFuture that is completed normally,
3578	>	* with the same value, when source is.
3579		*/
3580	<	public void testThenRunAsync3E() {
3580	>	public void testCopy_normalCompletion() {
3581	>	for (boolean createIncomplete : new boolean[] { true, false })
3582	>	for (Integer v1 : new Integer[] { 1, null })
3583	>	{
3584		CompletableFuture<Integer> f = new CompletableFuture<>();
3585	<	FailingNoop r = new FailingNoop();
3586	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3587	<	f.complete(null);
3588	<	checkCompletedWithWrappedCFException(g);
3589	<	}
3585	>	if (!createIncomplete) assertTrue(f.complete(v1));
3586	>	CompletableFuture<Integer> g = f.copy();
3587	>	if (createIncomplete) {
3588	>	checkIncomplete(f);
3589	>	checkIncomplete(g);
3590	>	assertTrue(f.complete(v1));
3591	>	}
3592	>	checkCompletedNormally(f, v1);
3593	>	checkCompletedNormally(g, v1);
3594	>	}}
3595	>
3596	>	/**
3597	>	* copy returns a CompletableFuture that is completed exceptionally
3598	>	* when source is.
3599	>	*/
3600	>	public void testCopy_exceptionalCompletion() {
3601	>	for (boolean createIncomplete : new boolean[] { true, false })
3602	>	{
3603	>	CFException ex = new CFException();
3604	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3605	>	if (!createIncomplete) f.completeExceptionally(ex);
3606	>	CompletableFuture<Integer> g = f.copy();
3607	>	if (createIncomplete) {
3608	>	checkIncomplete(f);
3609	>	checkIncomplete(g);
3610	>	f.completeExceptionally(ex);
3611	>	}
3612	>	checkCompletedExceptionally(f, ex);
3613	>	checkCompletedWithWrappedException(g, ex);
3614	>	}}
3615
3616		/**
3617	<	* thenRunAsync result completes exceptionally if source cancelled
3617	>	* Completion of a copy does not complete its source.
3618		*/
3619	<	public void testThenRunAsync4E() {
3619	>	public void testCopy_oneWayPropagation() {
3620		CompletableFuture<Integer> f = new CompletableFuture<>();
3621	<	Noop r = new Noop();
3622	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3623	<	assertTrue(f.cancel(true));
3624	<	checkCompletedWithWrappedCancellationException(g);
3621	>	assertTrue(f.copy().complete(1));
3622	>	assertTrue(f.copy().complete(null));
3623	>	assertTrue(f.copy().cancel(true));
3624	>	assertTrue(f.copy().cancel(false));
3625	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3626	>	checkIncomplete(f);
3627		}
3628
3629		/**
3630	<	* thenApplyAsync result completes normally after normal completion of source
3630	>	* minimalCompletionStage returns a CompletableFuture that is
3631	>	* completed normally, with the same value, when source is.
3632		*/
3633	<	public void testThenApplyAsyncE() {
3633	>	public void testMinimalCompletionStage() {
3634		CompletableFuture<Integer> f = new CompletableFuture<>();
3635	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3636	<	f.complete(one);
3637	<	checkCompletedNormally(g, two);
3635	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3636	>	AtomicInteger x = new AtomicInteger(0);
3637	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3638	>	checkIncomplete(f);
3639	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3640	>	f.complete(1);
3641	>	checkCompletedNormally(f, 1);
3642	>	assertEquals(x.get(), 1);
3643	>	assertNull(r.get());
3644		}
3645
3646		/**
3647	<	* thenApplyAsync result completes exceptionally after exceptional
3648	<	* completion of source
3647	>	* minimalCompletionStage returns a CompletableFuture that is
3648	>	* completed exceptionally when source is.
3649		*/
3650	<	public void testThenApplyAsync2E() {
3650	>	public void testMinimalCompletionStage2() {
3651		CompletableFuture<Integer> f = new CompletableFuture<>();
3652	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3653	<	f.completeExceptionally(new CFException());
3654	<	checkCompletedWithWrappedCFException(g);
3652	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3653	>	AtomicInteger x = new AtomicInteger(0);
3654	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3655	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3656	>	checkIncomplete(f);
3657	>	CFException ex = new CFException();
3658	>	f.completeExceptionally(ex);
3659	>	checkCompletedExceptionally(f, ex);
3660	>	assertEquals(x.get(), 0);
3661	>	assertEquals(r.get().getCause(), ex);
3662		}
3663
3664		/**
3665	<	* thenApplyAsync result completes exceptionally if action does
3665	>	* failedStage returns a CompletionStage completed
3666	>	* exceptionally with the given Exception
3667		*/
3668	<	public void testThenApplyAsync3E() {
3669	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3670	<	FailingFunction r = new FailingFunction();
3671	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3672	<	f.complete(null);
3673	<	checkCompletedWithWrappedCFException(g);
3668	>	public void testFailedStage() {
3669	>	CFException ex = new CFException();
3670	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3671	>	AtomicInteger x = new AtomicInteger(0);
3672	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3673	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3674	>	assertEquals(x.get(), 0);
3675	>	assertEquals(r.get(), ex);
3676		}
3677
3678		/**
3679	<	* thenApplyAsync result completes exceptionally if source cancelled
3679	>	* completeAsync completes with value of given supplier
3680		*/
3681	<	public void testThenApplyAsync4E() {
3681	>	public void testCompleteAsync() {
3682	>	for (Integer v1 : new Integer[] { 1, null })
3683	>	{
3684		CompletableFuture<Integer> f = new CompletableFuture<>();
3685	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3686	<	assertTrue(f.cancel(true));
3687	<	checkCompletedWithWrappedCancellationException(g);
3688	<	}
3685	>	f.completeAsync(() -> v1);
3686	>	f.join();
3687	>	checkCompletedNormally(f, v1);
3688	>	}}
3689
3690		/**
3691	<	* thenAcceptAsync result completes normally after normal
2192	<	* completion of source
3691	>	* completeAsync completes exceptionally if given supplier throws
3692		*/
3693	<	public void testThenAcceptAsyncE() {
3693	>	public void testCompleteAsync2() {
3694		CompletableFuture<Integer> f = new CompletableFuture<>();
3695	<	IncAction r = new IncAction();
3696	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3697	<	f.complete(one);
3698	<	checkCompletedNormally(g, null);
3699	<	assertEquals(r.value, 2);
3695	>	CFException ex = new CFException();
3696	>	f.completeAsync(() -> { throw ex; });
3697	>	try {
3698	>	f.join();
3699	>	shouldThrow();
3700	>	} catch (CompletionException success) {}
3701	>	checkCompletedWithWrappedException(f, ex);
3702		}
3703
3704		/**
3705	<	* thenAcceptAsync result completes exceptionally after exceptional
2205	<	* completion of source
3705	>	* completeAsync with given executor completes with value of given supplier
3706		*/
3707	<	public void testThenAcceptAsync2E() {
3707	>	public void testCompleteAsync3() {
3708	>	for (Integer v1 : new Integer[] { 1, null })
3709	>	{
3710		CompletableFuture<Integer> f = new CompletableFuture<>();
3711	<	IncAction r = new IncAction();
3712	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3713	<	f.completeExceptionally(new CFException());
3714	<	checkCompletedWithWrappedCFException(g);
3715	<	}
3711	>	ThreadExecutor executor = new ThreadExecutor();
3712	>	f.completeAsync(() -> v1, executor);
3713	>	assertSame(v1, f.join());
3714	>	checkCompletedNormally(f, v1);
3715	>	assertEquals(1, executor.count.get());
3716	>	}}
3717
3718		/**
3719	<	* thenAcceptAsync result completes exceptionally if action does
3719	>	* completeAsync with given executor completes exceptionally if
3720	>	* given supplier throws
3721		*/
3722	<	public void testThenAcceptAsync3E() {
3722	>	public void testCompleteAsync4() {
3723		CompletableFuture<Integer> f = new CompletableFuture<>();
3724	<	FailingConsumer r = new FailingConsumer();
3725	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3726	<	f.complete(null);
3727	<	checkCompletedWithWrappedCFException(g);
3724	>	CFException ex = new CFException();
3725	>	ThreadExecutor executor = new ThreadExecutor();
3726	>	f.completeAsync(() -> { throw ex; }, executor);
3727	>	try {
3728	>	f.join();
3729	>	shouldThrow();
3730	>	} catch (CompletionException success) {}
3731	>	checkCompletedWithWrappedException(f, ex);
3732	>	assertEquals(1, executor.count.get());
3733		}
3734
3735		/**
3736	<	* thenAcceptAsync result completes exceptionally if source cancelled
3736	>	* orTimeout completes with TimeoutException if not complete
3737		*/
3738	<	public void testThenAcceptAsync4E() {
3738	>	public void testOrTimeout_timesOut() {
3739	>	long timeoutMillis = timeoutMillis();
3740		CompletableFuture<Integer> f = new CompletableFuture<>();
3741	<	IncAction r = new IncAction();
3742	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3743	<	assertTrue(f.cancel(true));
3744	<	checkCompletedWithWrappedCancellationException(g);
2235	<	}
2236	<
2237	<	/**
2238	<	* thenCombineAsync result completes normally after normal
2239	<	* completion of sources
2240	<	*/
2241	<	public void testThenCombineAsyncE() {
2242	<	CompletableFuture<Integer> f, g, h;
2243	<	ThreadExecutor e = new ThreadExecutor();
2244	<	int count = 0;
2245	<
2246	<	f = new CompletableFuture<>();
2247	<	g = new CompletableFuture<>();
2248	<	h = f.thenCombineAsync(g, subtract, e);
2249	<	f.complete(3);
2250	<	checkIncomplete(h);
2251	<	g.complete(1);
2252	<	checkCompletedNormally(h, 2);
2253	<	assertEquals(++count, e.count.get());
2254	<
2255	<	f = new CompletableFuture<>();
2256	<	g = new CompletableFuture<>();
2257	<	h = f.thenCombineAsync(g, subtract, e);
2258	<	g.complete(1);
2259	<	checkIncomplete(h);
2260	<	f.complete(3);
2261	<	checkCompletedNormally(h, 2);
2262	<	assertEquals(++count, e.count.get());
2263	<
2264	<	f = new CompletableFuture<>();
2265	<	g = new CompletableFuture<>();
2266	<	g.complete(1);
2267	<	f.complete(3);
2268	<	h = f.thenCombineAsync(g, subtract, e);
2269	<	checkCompletedNormally(h, 2);
2270	<	assertEquals(++count, e.count.get());
2271	<	}
2272	<
2273	<	/**
2274	<	* thenCombineAsync result completes exceptionally after exceptional
2275	<	* completion of either source
2276	<	*/
2277	<	public void testThenCombineAsync2E() {
2278	<	CompletableFuture<Integer> f, g, h;
2279	<	ThreadExecutor e = new ThreadExecutor();
2280	<	int count = 0;
2281	<
2282	<	f = new CompletableFuture<>();
2283	<	g = new CompletableFuture<>();
2284	<	h = f.thenCombineAsync(g, subtract, e);
2285	<	f.completeExceptionally(new CFException());
2286	<	checkIncomplete(h);
2287	<	g.complete(1);
2288	<	checkCompletedWithWrappedCFException(h);
2289	<
2290	<	f = new CompletableFuture<>();
2291	<	g = new CompletableFuture<>();
2292	<	h = f.thenCombineAsync(g, subtract, e);
2293	<	g.completeExceptionally(new CFException());
2294	<	checkIncomplete(h);
2295	<	f.complete(3);
2296	<	checkCompletedWithWrappedCFException(h);
2297	<
2298	<	f = new CompletableFuture<>();
2299	<	g = new CompletableFuture<>();
2300	<	g.completeExceptionally(new CFException());
2301	<	h = f.thenCombineAsync(g, subtract, e);
2302	<	checkIncomplete(h);
2303	<	f.complete(3);
2304	<	checkCompletedWithWrappedCFException(h);
2305	<
2306	<	assertEquals(0, e.count.get());
3741	>	long startTime = System.nanoTime();
3742	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3743	>	checkCompletedWithTimeoutException(f);
3744	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3745		}
3746
3747		/**
3748	<	* thenCombineAsync result completes exceptionally if action does
3748	>	* orTimeout completes normally if completed before timeout
3749		*/
3750	<	public void testThenCombineAsync3E() {
3750	>	public void testOrTimeout_completed() {
3751	>	for (Integer v1 : new Integer[] { 1, null })
3752	>	{
3753		CompletableFuture<Integer> f = new CompletableFuture<>();
3754	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3755	<	FailingBiFunction r = new FailingBiFunction();
3756	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
3757	<	f.complete(one);
3758	<	checkIncomplete(g);
3759	<	assertFalse(r.ran);
3760	<	f2.complete(two);
3761	<	checkCompletedWithWrappedCFException(g);
3762	<	assertTrue(r.ran);
3763	<	}
2324	<
2325	<	/**
2326	<	* thenCombineAsync result completes exceptionally if either source cancelled
2327	<	*/
2328	<	public void testThenCombineAsync4E() {
2329	<	CompletableFuture<Integer> f, g, h;
2330	<	ThreadExecutor e = new ThreadExecutor();
2331	<
2332	<	f = new CompletableFuture<>();
2333	<	g = new CompletableFuture<>();
2334	<	h = f.thenCombineAsync(g, subtract, e);
2335	<	assertTrue(f.cancel(true));
2336	<	checkIncomplete(h);
2337	<	g.complete(1);
2338	<	checkCompletedWithWrappedCancellationException(h);
2339	<
2340	<	f = new CompletableFuture<>();
2341	<	g = new CompletableFuture<>();
2342	<	h = f.thenCombineAsync(g, subtract, e);
2343	<	assertTrue(g.cancel(true));
2344	<	checkIncomplete(h);
2345	<	f.complete(3);
2346	<	checkCompletedWithWrappedCancellationException(h);
2347	<
2348	<	f = new CompletableFuture<>();
2349	<	g = new CompletableFuture<>();
2350	<	assertTrue(g.cancel(true));
2351	<	h = f.thenCombineAsync(g, subtract, e);
2352	<	checkIncomplete(h);
2353	<	f.complete(3);
2354	<	checkCompletedWithWrappedCancellationException(h);
2355	<
2356	<	f = new CompletableFuture<>();
2357	<	g = new CompletableFuture<>();
2358	<	assertTrue(f.cancel(true));
2359	<	assertTrue(g.cancel(true));
2360	<	h = f.thenCombineAsync(g, subtract, e);
2361	<	checkCompletedWithWrappedCancellationException(h);
2362	<
2363	<	assertEquals(0, e.count.get());
2364	<	}
2365	<
2366	<	/**
2367	<	* thenAcceptBothAsync result completes normally after normal
2368	<	* completion of sources
2369	<	*/
2370	<	public void testThenAcceptBothAsyncE() {
2371	<	CompletableFuture<Integer> f, g;
2372	<	CompletableFuture<Void> h;
2373	<	SubtractAction r;
2374	<	ThreadExecutor e = new ThreadExecutor();
2375	<
2376	<	f = new CompletableFuture<>();
2377	<	g = new CompletableFuture<>();
2378	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2379	<	f.complete(3);
2380	<	checkIncomplete(h);
2381	<	g.complete(1);
2382	<	checkCompletedNormally(h, null);
2383	<	assertEquals(r.value, 2);
2384	<
2385	<	f = new CompletableFuture<>();
2386	<	g = new CompletableFuture<>();
2387	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2388	<	g.complete(1);
2389	<	checkIncomplete(h);
2390	<	f.complete(3);
2391	<	checkCompletedNormally(h, null);
2392	<	assertEquals(r.value, 2);
2393	<
2394	<	f = new CompletableFuture<>();
2395	<	g = new CompletableFuture<>();
2396	<	g.complete(1);
2397	<	f.complete(3);
2398	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2399	<	checkCompletedNormally(h, null);
2400	<	assertEquals(r.value, 2);
2401	<
2402	<	assertEquals(3, e.count.get());
2403	<	}
2404	<
2405	<	/**
2406	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2407	<	* completion of source
2408	<	*/
2409	<	public void testThenAcceptBothAsync2E() {
2410	<	CompletableFuture<Integer> f, g;
2411	<	CompletableFuture<Void> h;
2412	<	SubtractAction r;
2413	<	ThreadExecutor e = new ThreadExecutor();
2414	<
2415	<	f = new CompletableFuture<>();
2416	<	g = new CompletableFuture<>();
2417	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2418	<	f.completeExceptionally(new CFException());
2419	<	checkIncomplete(h);
2420	<	g.complete(1);
2421	<	checkCompletedWithWrappedCFException(h);
2422	<
2423	<	f = new CompletableFuture<>();
2424	<	g = new CompletableFuture<>();
2425	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2426	<	g.completeExceptionally(new CFException());
2427	<	checkIncomplete(h);
2428	<	f.complete(3);
2429	<	checkCompletedWithWrappedCFException(h);
2430	<
2431	<	f = new CompletableFuture<>();
2432	<	g = new CompletableFuture<>();
2433	<	f.complete(3);
2434	<	g.completeExceptionally(new CFException());
2435	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2436	<	checkCompletedWithWrappedCFException(h);
2437	<
2438	<	f = new CompletableFuture<>();
2439	<	g = new CompletableFuture<>();
2440	<	f.completeExceptionally(new CFException());
2441	<	g.complete(3);
2442	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2443	<	checkCompletedWithWrappedCFException(h);
2444	<
2445	<	assertEquals(0, e.count.get());
2446	<	}
2447	<
2448	<	/**
2449	<	* thenAcceptBothAsync result completes exceptionally if action does
2450	<	*/
2451	<	public void testThenAcceptBothAsync3E() {
2452	<	CompletableFuture<Integer> f, g;
2453	<	CompletableFuture<Void> h;
2454	<	FailingBiConsumer r;
2455	<	ThreadExecutor e = new ThreadExecutor();
2456	<
2457	<	f = new CompletableFuture<>();
2458	<	g = new CompletableFuture<>();
2459	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2460	<	f.complete(3);
2461	<	checkIncomplete(h);
2462	<	g.complete(1);
2463	<	checkCompletedWithWrappedCFException(h);
2464	<
2465	<	f = new CompletableFuture<>();
2466	<	g = new CompletableFuture<>();
2467	<	f.complete(3);
2468	<	g.complete(1);
2469	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2470	<	checkCompletedWithWrappedCFException(h);
2471	<
2472	<	assertEquals(2, e.count.get());
2473	<	}
3754	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3755	>	long startTime = System.nanoTime();
3756	>	f.complete(v1);
3757	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3758	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3759	>	g.complete(v1);
3760	>	checkCompletedNormally(f, v1);
3761	>	checkCompletedNormally(g, v1);
3762	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3763	>	}}
3764
3765		/**
3766	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
3766	>	* completeOnTimeout completes with given value if not complete
3767		*/
3768	<	public void testThenAcceptBothAsync4E() {
3769	<	CompletableFuture<Integer> f, g;
3770	<	CompletableFuture<Void> h;
2481	<	SubtractAction r;
2482	<	ThreadExecutor e = new ThreadExecutor();
2483	<
2484	<	f = new CompletableFuture<>();
2485	<	g = new CompletableFuture<>();
2486	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2487	<	assertTrue(f.cancel(true));
2488	<	checkIncomplete(h);
2489	<	g.complete(1);
2490	<	checkCompletedWithWrappedCancellationException(h);
2491	<
2492	<	f = new CompletableFuture<>();
2493	<	g = new CompletableFuture<>();
2494	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2495	<	assertTrue(g.cancel(true));
2496	<	checkIncomplete(h);
2497	<	f.complete(3);
2498	<	checkCompletedWithWrappedCancellationException(h);
2499	<
2500	<	f = new CompletableFuture<>();
2501	<	g = new CompletableFuture<>();
2502	<	f.complete(3);
2503	<	assertTrue(g.cancel(true));
2504	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2505	<	checkCompletedWithWrappedCancellationException(h);
2506	<
2507	<	f = new CompletableFuture<>();
2508	<	g = new CompletableFuture<>();
2509	<	assertTrue(f.cancel(true));
2510	<	g.complete(3);
2511	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2512	<	checkCompletedWithWrappedCancellationException(h);
2513	<
2514	<	assertEquals(0, e.count.get());
3768	>	public void testCompleteOnTimeout_timesOut() {
3769	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3770	>	() -> testCompleteOnTimeout_timesOut(null));
3771		}
3772
3773		/**
3774	<	* runAfterBothAsync result completes normally after normal
2519	<	* completion of sources
3774	>	* completeOnTimeout completes with given value if not complete
3775		*/
3776	<	public void testRunAfterBothAsyncE() {
3776	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3777	>	long timeoutMillis = timeoutMillis();
3778		CompletableFuture<Integer> f = new CompletableFuture<>();
3779	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3780	<	Noop r = new Noop();
3781	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
3782	<	f.complete(one);
3783	<	checkIncomplete(g);
3784	<	f2.complete(two);
2529	<	checkCompletedNormally(g, null);
2530	<	assertTrue(r.ran);
3779	>	long startTime = System.nanoTime();
3780	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3781	>	assertSame(v, f.join());
3782	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3783	>	f.complete(99);         // should have no effect
3784	>	checkCompletedNormally(f, v);
3785		}
3786
3787		/**
3788	<	* runAfterBothAsync result completes exceptionally after exceptional
2535	<	* completion of source
3788	>	* completeOnTimeout has no effect if completed within timeout
3789		*/
3790	<	public void testRunAfterBothAsync2E() {
3790	>	public void testCompleteOnTimeout_completed() {
3791	>	for (Integer v1 : new Integer[] { 1, null })
3792	>	{
3793		CompletableFuture<Integer> f = new CompletableFuture<>();
3794	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3795	<	Noop r = new Noop();
3796	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
3797	<	f.completeExceptionally(new CFException());
3798	<	f2.complete(two);
3799	<	checkCompletedWithWrappedCFException(g);
3794	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3795	>	long startTime = System.nanoTime();
3796	>	f.complete(v1);
3797	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3798	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3799	>	g.complete(v1);
3800	>	checkCompletedNormally(f, v1);
3801	>	checkCompletedNormally(g, v1);
3802	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3803	>	}}
3804	>
3805	>	/**
3806	>	* delayedExecutor returns an executor that delays submission
3807	>	*/
3808	>	public void testDelayedExecutor() {
3809	>	testInParallel(() -> testDelayedExecutor(null, null),
3810	>	() -> testDelayedExecutor(null, 1),
3811	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3812	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3813	>	}
3814	>
3815	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3816	>	long timeoutMillis = timeoutMillis();
3817	>	// Use an "unreasonably long" long timeout to catch lingering threads
3818	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3819	>	final Executor delayer, longDelayer;
3820	>	if (executor == null) {
3821	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3822	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3823	>	} else {
3824	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3825	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3826	>	}
3827	>	long startTime = System.nanoTime();
3828	>	CompletableFuture<Integer> f =
3829	>	CompletableFuture.supplyAsync(() -> v, delayer);
3830	>	CompletableFuture<Integer> g =
3831	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3832	>
3833	>	assertNull(g.getNow(null));
3834	>
3835	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3836	>	long millisElapsed = millisElapsedSince(startTime);
3837	>	assertTrue(millisElapsed >= timeoutMillis);
3838	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3839
3840	<	r = new Noop();
2547	<	f = new CompletableFuture<>();
2548	<	f2 = new CompletableFuture<>();
2549	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2550	<	f.complete(one);
2551	<	f2.completeExceptionally(new CFException());
2552	<	checkCompletedWithWrappedCFException(g);
2553	<	}
3840	>	checkCompletedNormally(f, v);
3841
2555	–	/**
2556	–	* runAfterBothAsync result completes exceptionally if action does
2557	–	*/
2558	–	public void testRunAfterBothAsync3E() {
2559	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2560	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2561	–	FailingNoop r = new FailingNoop();
2562	–	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2563	–	f.complete(one);
3842		checkIncomplete(g);
3843	<	f2.complete(two);
2566	<	checkCompletedWithWrappedCFException(g);
2567	<	}
2568	<
2569	<	/**
2570	<	* runAfterBothAsync result completes exceptionally if either source cancelled
2571	<	*/
2572	<	public void testRunAfterBothAsync4E() {
2573	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2574	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2575	<	Noop r = new Noop();
2576	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2577	<	assertTrue(f.cancel(true));
2578	<	f2.complete(two);
2579	<	checkCompletedWithWrappedCancellationException(g);
2580	<
2581	<	r = new Noop();
2582	<	f = new CompletableFuture<>();
2583	<	f2 = new CompletableFuture<>();
2584	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2585	<	f.complete(one);
2586	<	assertTrue(f2.cancel(true));
2587	<	checkCompletedWithWrappedCancellationException(g);
2588	<	}
2589	<
2590	<	/**
2591	<	* applyToEitherAsync result completes normally after normal
2592	<	* completion of sources
2593	<	*/
2594	<	public void testApplyToEitherAsyncE() {
2595	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2596	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2597	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2598	<	f.complete(one);
2599	<	checkCompletedNormally(g, two);
2600	<
2601	<	f = new CompletableFuture<>();
2602	<	f.complete(one);
2603	<	f2 = new CompletableFuture<>();
2604	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2605	<	checkCompletedNormally(g, two);
2606	<	}
2607	<
2608	<	/**
2609	<	* applyToEitherAsync result completes exceptionally after exceptional
2610	<	* completion of source
2611	<	*/
2612	<	public void testApplyToEitherAsync2E() {
2613	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2614	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2615	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2616	<	f.completeExceptionally(new CFException());
2617	<	checkCompletedWithWrappedCFException(g);
2618	<
2619	<	f = new CompletableFuture<>();
2620	<	f2 = new CompletableFuture<>();
2621	<	f2.completeExceptionally(new CFException());
2622	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2623	<	f.complete(one);
2624	<	checkCompletedWithWrappedCFException(g);
3843	>	assertTrue(g.cancel(true));
3844		}
3845
3846	<	/**
2628	<	* applyToEitherAsync result completes exceptionally if action does
2629	<	*/
2630	<	public void testApplyToEitherAsync3E() {
2631	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2632	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2633	<	FailingFunction r = new FailingFunction();
2634	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2635	<	f.complete(one);
2636	<	checkCompletedWithWrappedCFException(g);
2637	<	}
3846	>	//--- tests of implementation details; not part of official tck ---
3847
3848	<	/**
3849	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3850	<	*/
3851	<	public void testApplyToEitherAsync4E() {
3852	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3853	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3854	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3855	<	assertTrue(f.cancel(true));
3856	<	checkCompletedWithWrappedCancellationException(g);
3848	>	Object resultOf(CompletableFuture<?> f) {
3849	>	SecurityManager sm = System.getSecurityManager();
3850	>	if (sm != null) {
3851	>	try {
3852	>	System.setSecurityManager(null);
3853	>	} catch (SecurityException giveUp) {
3854	>	return "Reflection not available";
3855	>	}
3856	>	}
3857
3858	<	f = new CompletableFuture<>();
3859	<	f2 = new CompletableFuture<>();
3860	<	assertTrue(f2.cancel(true));
3861	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
3862	<	checkCompletedWithWrappedCancellationException(g);
3858	>	try {
3859	>	java.lang.reflect.Field resultField
3860	>	= CompletableFuture.class.getDeclaredField("result");
3861	>	resultField.setAccessible(true);
3862	>	return resultField.get(f);
3863	>	} catch (Throwable t) {
3864	>	throw new AssertionError(t);
3865	>	} finally {
3866	>	if (sm != null) System.setSecurityManager(sm);
3867	>	}
3868		}
3869
3870	<	/**
3871	<	* acceptEitherAsync result completes normally after normal
3872	<	* completion of sources
3873	<	*/
3874	<	public void testAcceptEitherAsyncE() {
3875	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3876	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3877	<	IncAction r = new IncAction();
3878	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3879	<	f.complete(one);
3880	<	checkCompletedNormally(g, null);
3881	<	assertEquals(r.value, 2);
3870	>	public void testExceptionPropagationReusesResultObject() {
3871	>	if (!testImplementationDetails) return;
3872	>	for (ExecutionMode m : ExecutionMode.values())
3873	>	{
3874	>	final CFException ex = new CFException();
3875	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3876	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3877	>
3878	>	final Runnable noopRunnable = new Noop(m);
3879	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3880	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
3881	>
3882	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3883	>	= new ArrayList<>();
3884	>
3885	>	funs.add(y -> m.thenRun(y, noopRunnable));
3886	>	funs.add(y -> m.thenAccept(y, noopConsumer));
3887	>	funs.add(y -> m.thenApply(y, incFunction));
3888	>
3889	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3890	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3891	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3892	>
3893	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3894	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3895	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3896	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3897	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3898	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3899	>
3900	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3901	>
3902	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3903	>
3904	>	funs.add(y -> CompletableFuture.allOf(y));
3905	>	funs.add(y -> CompletableFuture.allOf(y, v42));
3906	>	funs.add(y -> CompletableFuture.allOf(v42, y));
3907	>	funs.add(y -> CompletableFuture.anyOf(y));
3908	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3909	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3910
3911	<	r = new IncAction();
3912	<	f = new CompletableFuture<>();
3913	<	f.complete(one);
3914	<	f2 = new CompletableFuture<>();
3915	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3916	<	checkCompletedNormally(g, null);
3917	<	assertEquals(r.value, 2);
3918	<	}
3911	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3912	>	fun : funs) {
3913	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3914	>	f.completeExceptionally(ex);
3915	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3916	>	checkCompletedWithWrappedException(src, ex);
3917	>	CompletableFuture<?> dep = fun.apply(src);
3918	>	checkCompletedWithWrappedException(dep, ex);
3919	>	assertSame(resultOf(src), resultOf(dep));
3920	>	}
3921
3922	<	/**
3923	<	* acceptEitherAsync result completes exceptionally after exceptional
3924	<	* completion of source
3925	<	*/
3926	<	public void testAcceptEitherAsync2E() {
3927	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3928	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3929	<	IncAction r = new IncAction();
3930	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3931	<	f.completeExceptionally(new CFException());
2688	<	checkCompletedWithWrappedCFException(g);
3922	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3923	>	fun : funs) {
3924	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3925	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3926	>	CompletableFuture<?> dep = fun.apply(src);
3927	>	f.completeExceptionally(ex);
3928	>	checkCompletedWithWrappedException(src, ex);
3929	>	checkCompletedWithWrappedException(dep, ex);
3930	>	assertSame(resultOf(src), resultOf(dep));
3931	>	}
3932
3933	<	r = new IncAction();
3934	<	f = new CompletableFuture<>();
3935	<	f2 = new CompletableFuture<>();
3936	<	f2.completeExceptionally(new CFException());
3937	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3938	<	f.complete(one);
3939	<	checkCompletedWithWrappedCFException(g);
3940	<	}
3933	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3934	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3935	>	fun : funs) {
3936	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3937	>	f.cancel(mayInterruptIfRunning);
3938	>	checkCancelled(f);
3939	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3940	>	checkCompletedWithWrappedCancellationException(src);
3941	>	CompletableFuture<?> dep = fun.apply(src);
3942	>	checkCompletedWithWrappedCancellationException(dep);
3943	>	assertSame(resultOf(src), resultOf(dep));
3944	>	}
3945
3946	<	/**
3947	<	* acceptEitherAsync result completes exceptionally if action does
3948	<	*/
3949	<	public void testAcceptEitherAsync3E() {
3950	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3951	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3952	<	FailingConsumer r = new FailingConsumer();
3953	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3954	<	f.complete(one);
3955	<	checkCompletedWithWrappedCFException(g);
3956	<	}
3946	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3947	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3948	>	fun : funs) {
3949	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3950	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3951	>	CompletableFuture<?> dep = fun.apply(src);
3952	>	f.cancel(mayInterruptIfRunning);
3953	>	checkCancelled(f);
3954	>	checkCompletedWithWrappedCancellationException(src);
3955	>	checkCompletedWithWrappedCancellationException(dep);
3956	>	assertSame(resultOf(src), resultOf(dep));
3957	>	}
3958	>	}}
3959
3960		/**
3961	<	* acceptEitherAsync result completes exceptionally if either
2713	<	* source cancelled
3961	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3962		*/
3963	<	public void testAcceptEitherAsync4E() {
3964	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3965	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3966	<	IncAction r = new IncAction();
3967	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3968	<	assertTrue(f.cancel(true));
3969	<	checkCompletedWithWrappedCancellationException(g);
3970	<
3971	<	r = new IncAction();
3972	<	f = new CompletableFuture<>();
3973	<	f2 = new CompletableFuture<>();
3974	<	assertTrue(f2.cancel(true));
3975	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
3976	<	checkCompletedWithWrappedCancellationException(g);
3963	>	public void testMinimalCompletionStage_minimality() {
3964	>	if (!testImplementationDetails) return;
3965	>	Function<Method, String> toSignature =
3966	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3967	>	Predicate<Method> isNotStatic =
3968	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3969	>	List<Method> minimalMethods =
3970	>	Stream.of(Object.class, CompletionStage.class)
3971	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3972	>	.filter(isNotStatic)
3973	>	.collect(Collectors.toList());
3974	>	// Methods from CompletableFuture permitted NOT to throw UOE
3975	>	String[] signatureWhitelist = {
3976	>	"newIncompleteFuture[]",
3977	>	"defaultExecutor[]",
3978	>	"minimalCompletionStage[]",
3979	>	"copy[]",
3980	>	};
3981	>	Set<String> permittedMethodSignatures =
3982	>	Stream.concat(minimalMethods.stream().map(toSignature),
3983	>	Stream.of(signatureWhitelist))
3984	>	.collect(Collectors.toSet());
3985	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3986	>	.filter(isNotStatic)
3987	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3988	>	.collect(Collectors.toList());
3989	>
3990	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
3991	>	CompletionStage<Integer> min =
3992	>	new CompletableFuture<Integer>().minimalCompletionStage();
3993	>	stages.add(min);
3994	>	stages.add(min.thenApply(x -> x));
3995	>	stages.add(CompletableFuture.completedStage(1));
3996	>	stages.add(CompletableFuture.failedStage(new CFException()));
3997	>
3998	>	List<Method> bugs = new ArrayList<>();
3999	>	for (Method method : allMethods) {
4000	>	Class<?>[] parameterTypes = method.getParameterTypes();
4001	>	Object[] args = new Object[parameterTypes.length];
4002	>	// Manufacture boxed primitives for primitive params
4003	>	for (int i = 0; i < args.length; i++) {
4004	>	Class<?> type = parameterTypes[i];
4005	>	if (parameterTypes[i] == boolean.class)
4006	>	args[i] = false;
4007	>	else if (parameterTypes[i] == int.class)
4008	>	args[i] = 0;
4009	>	else if (parameterTypes[i] == long.class)
4010	>	args[i] = 0L;
4011	>	}
4012	>	for (CompletionStage<Integer> stage : stages) {
4013	>	try {
4014	>	method.invoke(stage, args);
4015	>	bugs.add(method);
4016	>	}
4017	>	catch (java.lang.reflect.InvocationTargetException expected) {
4018	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4019	>	bugs.add(method);
4020	>	// expected.getCause().printStackTrace();
4021	>	}
4022	>	}
4023	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4024	>	}
4025	>	}
4026	>	if (!bugs.isEmpty())
4027	>	throw new Error("Methods did not throw UOE: " + bugs);
4028		}
4029
4030		/**
4031	<	* runAfterEitherAsync result completes normally after normal
4032	<	* completion of sources
4031	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4032	>	* is completed normally, with the same value, when source is.
4033		*/
4034	<	public void testRunAfterEitherAsyncE() {
4034	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4035	>	for (boolean createIncomplete : new boolean[] { true, false })
4036	>	for (Integer v1 : new Integer[] { 1, null })
4037	>	{
4038		CompletableFuture<Integer> f = new CompletableFuture<>();
4039	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
4040	<	Noop r = new Noop();
4041	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4042	<	f.complete(one);
4043	<	checkCompletedNormally(g, null);
4044	<	assertTrue(r.ran);
4045	<
4046	<	r = new Noop();
4047	<	f = new CompletableFuture<>();
4048	<	f.complete(one);
4049	<	f2 = new CompletableFuture<>();
4050	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4051	<	checkCompletedNormally(g, null);
4052	<	assertTrue(r.ran);
4053	<	}
4039	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4040	>	if (!createIncomplete) assertTrue(f.complete(v1));
4041	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4042	>	if (createIncomplete) {
4043	>	checkIncomplete(f);
4044	>	checkIncomplete(g);
4045	>	assertTrue(f.complete(v1));
4046	>	}
4047	>	checkCompletedNormally(f, v1);
4048	>	checkCompletedNormally(g, v1);
4049	>	}}
4050	>
4051	>	/**
4052	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4053	>	* is completed exceptionally when source is.
4054	>	*/
4055	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4056	>	for (boolean createIncomplete : new boolean[] { true, false })
4057	>	{
4058	>	CFException ex = new CFException();
4059	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4060	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4061	>	if (!createIncomplete) f.completeExceptionally(ex);
4062	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4063	>	if (createIncomplete) {
4064	>	checkIncomplete(f);
4065	>	checkIncomplete(g);
4066	>	f.completeExceptionally(ex);
4067	>	}
4068	>	checkCompletedExceptionally(f, ex);
4069	>	checkCompletedWithWrappedException(g, ex);
4070	>	}}
4071
4072		/**
4073	<	* runAfterEitherAsync result completes exceptionally after exceptional
2755	<	* completion of source
4073	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4074		*/
4075	<	public void testRunAfterEitherAsync2E() {
4075	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4076	>	for (Integer v1 : new Integer[] { 1, null })
4077	>	{
4078		CompletableFuture<Integer> f = new CompletableFuture<>();
4079	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
4080	<	Noop r = new Noop();
4081	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4082	<	f.completeExceptionally(new CFException());
4083	<	checkCompletedWithWrappedCFException(g);
4084	<
4085	<	r = new Noop();
2766	<	f = new CompletableFuture<>();
2767	<	f2 = new CompletableFuture<>();
2768	<	f2.completeExceptionally(new CFException());
2769	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2770	<	f.complete(one);
2771	<	checkCompletedWithWrappedCFException(g);
2772	<	}
4079	>	CompletionStage minimal = f.minimalCompletionStage();
4080	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4081	>	assertTrue(g.complete(v1));
4082	>	checkCompletedNormally(g, v1);
4083	>	checkIncomplete(f);
4084	>	checkIncomplete(minimal.toCompletableFuture());
4085	>	}}
4086
4087		/**
4088	<	* runAfterEitherAsync result completes exceptionally if action does
4088	>	* minimalStage.toCompletableFuture().join() awaits completion
4089		*/
4090	<	public void testRunAfterEitherAsync3E() {
4091	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4092	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
4093	<	FailingNoop r = new FailingNoop();
4094	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
4095	<	f.complete(one);
4096	<	checkCompletedWithWrappedCFException(g);
4090	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4091	>	for (boolean createIncomplete : new boolean[] { true, false })
4092	>	for (Integer v1 : new Integer[] { 1, null })
4093	>	{
4094	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4095	>	if (!createIncomplete) assertTrue(f.complete(v1));
4096	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4097	>	if (createIncomplete) assertTrue(f.complete(v1));
4098	>	assertEquals(v1, minimal.toCompletableFuture().join());
4099	>	assertEquals(v1, minimal.toCompletableFuture().get());
4100	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4101	>	}}
4102	>
4103	>	/**
4104	>	* Completion of a toCompletableFuture copy of a minimal stage
4105	>	* does not complete its source.
4106	>	*/
4107	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4108	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4109	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4110	>	assertTrue(g.toCompletableFuture().complete(1));
4111	>	assertTrue(g.toCompletableFuture().complete(null));
4112	>	assertTrue(g.toCompletableFuture().cancel(true));
4113	>	assertTrue(g.toCompletableFuture().cancel(false));
4114	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4115	>	checkIncomplete(g.toCompletableFuture());
4116	>	f.complete(1);
4117	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4118		}
4119
4120	<	/**
4121	<	* runAfterEitherAsync result completes exceptionally if either
4122	<	* source cancelled
4123	<	*/
4124	<	public void testRunAfterEitherAsync4E() {
4125	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4126	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
4127	<	Noop r = new Noop();
4128	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2795	<	assertTrue(f.cancel(true));
2796	<	checkCompletedWithWrappedCancellationException(g);
2797	<
2798	<	r = new Noop();
2799	<	f = new CompletableFuture<>();
2800	<	f2 = new CompletableFuture<>();
2801	<	assertTrue(f2.cancel(true));
2802	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2803	<	checkCompletedWithWrappedCancellationException(g);
4120	>	/** Demo utility method for external reliable toCompletableFuture */
4121	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4122	>	CompletableFuture<T> f = new CompletableFuture<>();
4123	>	stage.handle((T t, Throwable ex) -> {
4124	>	if (ex != null) f.completeExceptionally(ex);
4125	>	else f.complete(t);
4126	>	return null;
4127	>	});
4128	>	return f;
4129		}
4130
4131	<	/**
4132	<	* thenComposeAsync result completes normally after normal
4133	<	* completion of source
2809	<	*/
2810	<	public void testThenComposeAsyncE() {
2811	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2812	<	CompletableFutureInc r = new CompletableFutureInc();
2813	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2814	<	f.complete(one);
2815	<	checkCompletedNormally(g, two);
4131	>	/** Demo utility method to join a CompletionStage */
4132	>	static <T> T join(CompletionStage<T> stage) {
4133	>	return toCompletableFuture(stage).join();
4134		}
4135
4136		/**
4137	<	* thenComposeAsync result completes exceptionally after
2820	<	* exceptional completion of source
4137	>	* Joining a minimal stage "by hand" works
4138		*/
4139	<	public void testThenComposeAsync2E() {
4139	>	public void testMinimalCompletionStage_join_by_hand() {
4140	>	for (boolean createIncomplete : new boolean[] { true, false })
4141	>	for (Integer v1 : new Integer[] { 1, null })
4142	>	{
4143		CompletableFuture<Integer> f = new CompletableFuture<>();
4144	<	CompletableFutureInc r = new CompletableFutureInc();
4145	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
4146	<	f.completeExceptionally(new CFException());
4147	<	checkCompletedWithWrappedCFException(g);
4148	<	}
4144	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4145	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4146	>	if (!createIncomplete) assertTrue(f.complete(v1));
4147	>	minimal.thenAccept(x -> g.complete(x));
4148	>	if (createIncomplete) assertTrue(f.complete(v1));
4149	>	g.join();
4150	>	checkCompletedNormally(g, v1);
4151	>	checkCompletedNormally(f, v1);
4152	>	assertEquals(v1, join(minimal));
4153	>	}}
4154	>
4155	>	static class Monad {
4156	>	static class ZeroException extends RuntimeException {
4157	>	public ZeroException() { super("monadic zero"); }
4158	>	}
4159	>	// "return", "unit"
4160	>	static <T> CompletableFuture<T> unit(T value) {
4161	>	return completedFuture(value);
4162	>	}
4163	>	// monadic zero ?
4164	>	static <T> CompletableFuture<T> zero() {
4165	>	return failedFuture(new ZeroException());
4166	>	}
4167	>	// >=>
4168	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4169	>	(Function<T, CompletableFuture<U>> f,
4170	>	Function<U, CompletableFuture<V>> g) {
4171	>	return x -> f.apply(x).thenCompose(g);
4172	>	}
4173
4174	<	/**
4175	<	* thenComposeAsync result completes exceptionally if action does
4176	<	*/
4177	<	public void testThenComposeAsync3E() {
4178	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4179	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
4180	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
4181	<	f.complete(one);
2838	<	checkCompletedWithWrappedCFException(g);
2839	<	}
4174	>	static void assertZero(CompletableFuture<?> f) {
4175	>	try {
4176	>	f.getNow(null);
4177	>	throw new AssertionFailedError("should throw");
4178	>	} catch (CompletionException success) {
4179	>	assertTrue(success.getCause() instanceof ZeroException);
4180	>	}
4181	>	}
4182
4183	<	/**
4184	<	* thenComposeAsync result completes exceptionally if source cancelled
4185	<	*/
4186	<	public void testThenComposeAsync4E() {
4187	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4188	<	CompletableFutureInc r = new CompletableFutureInc();
4189	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
4190	<	assertTrue(f.cancel(true));
4191	<	checkCompletedWithWrappedCancellationException(g);
4192	<	}
4183	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4184	>	CompletableFuture<T> g) {
4185	>	T fval = null, gval = null;
4186	>	Throwable fex = null, gex = null;
4187	>
4188	>	try { fval = f.get(); }
4189	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4190	>	catch (Throwable ex) { fex = ex; }
4191	>
4192	>	try { gval = g.get(); }
4193	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4194	>	catch (Throwable ex) { gex = ex; }
4195	>
4196	>	if (fex != null || gex != null)
4197	>	assertSame(fex.getClass(), gex.getClass());
4198	>	else
4199	>	assertEquals(fval, gval);
4200	>	}
4201
4202	<	// other static methods
4202	>	static class PlusFuture<T> extends CompletableFuture<T> {
4203	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4204	>	}
4205
4206	<	/**
4207	<	* allOf(no component futures) returns a future completed normally
4208	<	* with the value null
4209	<	*/
4210	<	public void testAllOf_empty() throws Exception {
4211	<	CompletableFuture<Void> f = CompletableFuture.allOf();
4212	<	checkCompletedNormally(f, null);
4206	>	/** Implements "monadic plus". */
4207	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4208	>	CompletableFuture<? extends T> g) {
4209	>	PlusFuture<T> plus = new PlusFuture<T>();
4210	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4211	>	try {
4212	>	if (ex == null) {
4213	>	if (plus.complete(result))
4214	>	if (plus.firstFailure.get() != null)
4215	>	plus.firstFailure.set(null);
4216	>	}
4217	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4218	>	if (plus.isDone())
4219	>	plus.firstFailure.set(null);
4220	>	}
4221	>	else {
4222	>	// first failure has precedence
4223	>	Throwable first = plus.firstFailure.getAndSet(null);
4224	>
4225	>	// may fail with "Self-suppression not permitted"
4226	>	try { first.addSuppressed(ex); }
4227	>	catch (Exception ignored) {}
4228	>
4229	>	plus.completeExceptionally(first);
4230	>	}
4231	>	} catch (Throwable unexpected) {
4232	>	plus.completeExceptionally(unexpected);
4233	>	}
4234	>	};
4235	>	f.whenComplete(action);
4236	>	g.whenComplete(action);
4237	>	return plus;
4238	>	}
4239		}
4240
4241		/**
4242	<	* allOf returns a future completed when all components complete
4242	>	* CompletableFuture is an additive monad - sort of.
4243	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4244		*/
4245	<	public void testAllOf() throws Exception {
4246	<	for (int k = 1; k < 20; ++k) {
4247	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
4248	<	for (int i = 0; i < k; ++i)
4249	<	fs[i] = new CompletableFuture<>();
4250	<	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
4251	<	for (int i = 0; i < k; ++i) {
4252	<	checkIncomplete(f);
4253	<	checkIncomplete(CompletableFuture.allOf(fs));
4254	<	fs[i].complete(one);
4255	<	}
4256	<	checkCompletedNormally(f, null);
4257	<	checkCompletedNormally(CompletableFuture.allOf(fs), null);
4245	>	public void testAdditiveMonad() throws Throwable {
4246	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4247	>	CompletableFuture<Long> zero = Monad.zero();
4248	>
4249	>	// Some mutually non-commutative functions
4250	>	Function<Long, CompletableFuture<Long>> triple
4251	>	= x -> Monad.unit(3 * x);
4252	>	Function<Long, CompletableFuture<Long>> inc
4253	>	= x -> Monad.unit(x + 1);
4254	>
4255	>	// unit is a right identity: m >>= unit === m
4256	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4257	>	inc.apply(5L));
4258	>	// unit is a left identity: (unit x) >>= f === f x
4259	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4260	>	inc.apply(5L));
4261	>
4262	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4263	>	Monad.assertFutureEquals(
4264	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4265	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4266	>
4267	>	// The case for CompletableFuture as an additive monad is weaker...
4268	>
4269	>	// zero is a monadic zero
4270	>	Monad.assertZero(zero);
4271	>
4272	>	// left zero: zero >>= f === zero
4273	>	Monad.assertZero(zero.thenCompose(inc));
4274	>	// right zero: f >>= (\x -> zero) === zero
4275	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4276	>
4277	>	// f plus zero === f
4278	>	Monad.assertFutureEquals(Monad.unit(5L),
4279	>	Monad.plus(Monad.unit(5L), zero));
4280	>	// zero plus f === f
4281	>	Monad.assertFutureEquals(Monad.unit(5L),
4282	>	Monad.plus(zero, Monad.unit(5L)));
4283	>	// zero plus zero === zero
4284	>	Monad.assertZero(Monad.plus(zero, zero));
4285	>	{
4286	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4287	>	Monad.unit(8L));
4288	>	// non-determinism
4289	>	assertTrue(f.get() == 5L || f.get() == 8L);
4290		}
2880	–	}
4291
4292	<	/**
4293	<	* anyOf(no component futures) returns an incomplete future
4294	<	*/
4295	<	public void testAnyOf_empty() throws Exception {
4296	<	CompletableFuture<Object> f = CompletableFuture.anyOf();
4297	<	checkIncomplete(f);
4292	>	CompletableFuture<Long> godot = new CompletableFuture<>();
4293	>	// f plus godot === f (doesn't wait for godot)
4294	>	Monad.assertFutureEquals(Monad.unit(5L),
4295	>	Monad.plus(Monad.unit(5L), godot));
4296	>	// godot plus f === f (doesn't wait for godot)
4297	>	Monad.assertFutureEquals(Monad.unit(5L),
4298	>	Monad.plus(godot, Monad.unit(5L)));
4299	>	}
4300	>
4301	>	/** Test long recursive chains of CompletableFutures with cascading completions */
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	>	public void testManyDependents() throws Throwable {
4327	>	final int n = expensiveTests ? 1_000_000 : 10;
4328	>	final CompletableFuture<Void> head = new CompletableFuture<>();
4329	>	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4330	>	final AtomicInteger count = new AtomicInteger(0);
4331	>	for (int i = 0; i < n; i++) {
4332	>	head.thenRun(() -> count.getAndIncrement());
4333	>	head.thenAccept(x -> count.getAndIncrement());
4334	>	head.thenApply(x -> count.getAndIncrement());
4335	>
4336	>	head.runAfterBoth(complete, () -> count.getAndIncrement());
4337	>	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4338	>	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4339	>	complete.runAfterBoth(head, () -> count.getAndIncrement());
4340	>	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4341	>	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4342	>
4343	>	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4344	>	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4345	>	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4346	>	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4347	>	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4348	>	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4349	>	}
4350	>	head.complete(null);
4351	>	assertEquals(5 * 3 * n, count.get());
4352		}
4353
4354	<	/**
4355	<	* anyOf returns a future completed when any components complete
4356	<	*/
4357	<	public void testAnyOf_normal() throws Exception {
4358	<	for (int k = 0; k < 10; ++k) {
4359	<	CompletableFuture[] fs = new CompletableFuture[k];
4360	<	for (int i = 0; i < k; ++i)
4361	<	fs[i] = new CompletableFuture<>();
4362	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
4363	<	checkIncomplete(f);
4364	<	for (int i = 0; i < k; ++i) {
4365	<	fs[i].complete(one);
4366	<	checkCompletedNormally(f, one);
4367	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
4368	<	}
4354	>	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4355	>	public void testCoCompletionGarbageRetention() throws Throwable {
4356	>	final int n = expensiveTests ? 1_000_000 : 10;
4357	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4358	>	CompletableFuture<Integer> f;
4359	>	for (int i = 0; i < n; i++) {
4360	>	f = new CompletableFuture<>();
4361	>	f.runAfterEither(incomplete, () -> {});
4362	>	f.complete(null);
4363	>
4364	>	f = new CompletableFuture<>();
4365	>	f.acceptEither(incomplete, x -> {});
4366	>	f.complete(null);
4367	>
4368	>	f = new CompletableFuture<>();
4369	>	f.applyToEither(incomplete, x -> x);
4370	>	f.complete(null);
4371	>
4372	>	f = new CompletableFuture<>();
4373	>	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4374	>	f.complete(null);
4375		}
2906	–	}
4376
4377	<	/**
4378	<	* anyOf result completes exceptionally when any component does.
4379	<	*/
4380	<	public void testAnyOf_exceptional() throws Exception {
4381	<	for (int k = 0; k < 10; ++k) {
4382	<	CompletableFuture[] fs = new CompletableFuture[k];
4383	<	for (int i = 0; i < k; ++i)
4384	<	fs[i] = new CompletableFuture<>();
4385	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
4386	<	checkIncomplete(f);
4387	<	for (int i = 0; i < k; ++i) {
4388	<	fs[i].completeExceptionally(new CFException());
4389	<	checkCompletedWithWrappedCFException(f);
4390	<	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
4391	<	}
4377	>	for (int i = 0; i < n; i++) {
4378	>	f = new CompletableFuture<>();
4379	>	incomplete.runAfterEither(f, () -> {});
4380	>	f.complete(null);
4381	>
4382	>	f = new CompletableFuture<>();
4383	>	incomplete.acceptEither(f, x -> {});
4384	>	f.complete(null);
4385	>
4386	>	f = new CompletableFuture<>();
4387	>	incomplete.applyToEither(f, x -> x);
4388	>	f.complete(null);
4389	>
4390	>	f = new CompletableFuture<>();
4391	>	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4392	>	f.complete(null);
4393		}
4394		}
4395
4396		/**
4397	<	* Completion methods throw NullPointerException with null arguments
4398	<	*/
4399	<	public void testNPE() {
4400	<	CompletableFuture<Integer> f = new CompletableFuture<>();
4401	<	CompletableFuture<Integer> g = new CompletableFuture<>();
4402	<	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
4403	<	CompletableFuture<?> h;
4404	<	ThreadExecutor exec = new ThreadExecutor();
4405	<
4406	<	Runnable[] throwingActions = {
4407	<	() -> { CompletableFuture.supplyAsync(null); },
4408	<	() -> { CompletableFuture.supplyAsync(null, exec); },
4409	<	() -> { CompletableFuture.supplyAsync(supplyOne, null); },
4410	<
4411	<	() -> { CompletableFuture.runAsync(null); },
4412	<	() -> { CompletableFuture.runAsync(null, exec); },
4413	<	() -> { CompletableFuture.runAsync(() -> {}, null); },
4414	<
4415	<	() -> { f.completeExceptionally(null); },
4416	<
4417	<	() -> { f.thenApply(null); },
4418	<	() -> { f.thenApplyAsync(null); },
4419	<	() -> { f.thenApplyAsync((x) -> x, null); },
4420	<	() -> { f.thenApplyAsync(null, exec); },
4421	<
4422	<	() -> { f.thenAccept(null); },
4423	<	() -> { f.thenAcceptAsync(null); },
4424	<	() -> { f.thenAcceptAsync((x) -> { ; }, null); },
4425	<	() -> { f.thenAcceptAsync(null, exec); },
4426	<
4427	<	() -> { f.thenRun(null); },
4428	<	() -> { f.thenRunAsync(null); },
4429	<	() -> { f.thenRunAsync(() -> { ; }, null); },
4430	<	() -> { f.thenRunAsync(null, exec); },
4431	<
4432	<	() -> { f.thenCombine(g, null); },
4433	<	() -> { f.thenCombineAsync(g, null); },
4434	<	() -> { f.thenCombineAsync(g, null, exec); },
4435	<	() -> { f.thenCombine(nullFuture, (x, y) -> x); },
4436	<	() -> { f.thenCombineAsync(nullFuture, (x, y) -> x); },
4437	<	() -> { f.thenCombineAsync(nullFuture, (x, y) -> x, exec); },
4438	<	() -> { f.thenCombineAsync(g, (x, y) -> x, null); },
4439	<
4440	<	() -> { f.thenAcceptBoth(g, null); },
4441	<	() -> { f.thenAcceptBothAsync(g, null); },
4442	<	() -> { f.thenAcceptBothAsync(g, null, exec); },
4443	<	() -> { f.thenAcceptBoth(nullFuture, (x, y) -> {}); },
4444	<	() -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}); },
4445	<	() -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec); },
4446	<	() -> { f.thenAcceptBothAsync(g, (x, y) -> {}, null); },
4447	<
4448	<	() -> { f.runAfterBoth(g, null); },
4449	<	() -> { f.runAfterBothAsync(g, null); },
4450	<	() -> { f.runAfterBothAsync(g, null, exec); },
4451	<	() -> { f.runAfterBoth(nullFuture, () -> {}); },
4452	<	() -> { f.runAfterBothAsync(nullFuture, () -> {}); },
4453	<	() -> { f.runAfterBothAsync(nullFuture, () -> {}, exec); },
4454	<	() -> { f.runAfterBothAsync(g, () -> {}, null); },
4455	<
4456	<	() -> { f.applyToEither(g, null); },
4457	<	() -> { f.applyToEitherAsync(g, null); },
4458	<	() -> { f.applyToEitherAsync(g, null, exec); },
4459	<	() -> { f.applyToEither(nullFuture, (x) -> x); },
4460	<	() -> { f.applyToEitherAsync(nullFuture, (x) -> x); },
4461	<	() -> { f.applyToEitherAsync(nullFuture, (x) -> x, exec); },
4462	<	() -> { f.applyToEitherAsync(g, (x) -> x, null); },
4463	<
4464	<	() -> { f.acceptEither(g, null); },
4465	<	() -> { f.acceptEitherAsync(g, null); },
4466	<	() -> { f.acceptEitherAsync(g, null, exec); },
4467	<	() -> { f.acceptEither(nullFuture, (x) -> {}); },
4468	<	() -> { f.acceptEitherAsync(nullFuture, (x) -> {}); },
4469	<	() -> { f.acceptEitherAsync(nullFuture, (x) -> {}, exec); },
4470	<	() -> { f.acceptEitherAsync(g, (x) -> {}, null); },
4471	<
4472	<	() -> { f.runAfterEither(g, null); },
4473	<	() -> { f.runAfterEitherAsync(g, null); },
4474	<	() -> { f.runAfterEitherAsync(g, null, exec); },
4475	<	() -> { f.runAfterEither(nullFuture, () -> {}); },
4476	<	() -> { f.runAfterEitherAsync(nullFuture, () -> {}); },
4477	<	() -> { f.runAfterEitherAsync(nullFuture, () -> {}, exec); },
4478	<	() -> { f.runAfterEitherAsync(g, () -> {}, null); },
4479	<
4480	<	() -> { f.thenCompose(null); },
4481	<	() -> { f.thenComposeAsync(null); },
4482	<	() -> { f.thenComposeAsync(new CompletableFutureInc(), null); },
4483	<	() -> { f.thenComposeAsync(null, exec); },
3014	<
3015	<	() -> { f.exceptionally(null); },
3016	<
3017	<	() -> { f.handle(null); },
3018	<
3019	<	() -> { CompletableFuture.allOf((CompletableFuture<?>)null); },
3020	<	() -> { CompletableFuture.allOf((CompletableFuture<?>[])null); },
3021	<	() -> { CompletableFuture.allOf(f, null); },
3022	<	() -> { CompletableFuture.allOf(null, f); },
3023	<
3024	<	() -> { CompletableFuture.anyOf((CompletableFuture<?>)null); },
3025	<	() -> { CompletableFuture.anyOf((CompletableFuture<?>[])null); },
3026	<	() -> { CompletableFuture.anyOf(f, null); },
3027	<	() -> { CompletableFuture.anyOf(null, f); },
3028	<	};
3029	<
3030	<	assertThrows(NullPointerException.class, throwingActions);
3031	<	assertEquals(0, exec.count.get());
3032	<	}
4397	>	* Reproduction recipe for:
4398	>	* 8160402: Garbage retention with CompletableFuture.anyOf
4399	>	* 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
4400	>	*/
4401	>	public void testAnyOfGarbageRetention() throws Throwable {
4402	>	for (Integer v : new Integer[] { 1, null })
4403	>	{
4404	>	final int n = expensiveTests ? 100_000 : 10;
4405	>	CompletableFuture<Integer>[] fs
4406	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4407	>	for (int i = 0; i < fs.length; i++)
4408	>	fs[i] = new CompletableFuture<>();
4409	>	fs[fs.length - 1].complete(v);
4410	>	for (int i = 0; i < n; i++)
4411	>	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4412	>	}}
4413	>
4414	>	/**
4415	>	* Checks for garbage retention with allOf.
4416	>	*
4417	>	* As of 2016-07, fails with OOME:
4418	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4419	>	*/
4420	>	public void testCancelledAllOfGarbageRetention() throws Throwable {
4421	>	final int n = expensiveTests ? 100_000 : 10;
4422	>	CompletableFuture<Integer>[] fs
4423	>	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4424	>	for (int i = 0; i < fs.length; i++)
4425	>	fs[i] = new CompletableFuture<>();
4426	>	for (int i = 0; i < n; i++)
4427	>	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4428	>	}
4429	>
4430	>	/**
4431	>	* Checks for garbage retention when a dependent future is
4432	>	* cancelled and garbage-collected.
4433	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4434	>	*
4435	>	* As of 2016-07, fails with OOME:
4436	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4437	>	*/
4438	>	public void testCancelledGarbageRetention() throws Throwable {
4439	>	final int n = expensiveTests ? 100_000 : 10;
4440	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4441	>	for (int i = 0; i < n; i++)
4442	>	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4443	>	}
4444	>
4445	>	/**
4446	>	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4447	>	* is invoked many times.
4448	>	* 8161600: Garbage retention when source CompletableFutures are never completed
4449	>	*
4450	>	* As of 2016-07, fails with OOME:
4451	>	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4452	>	*/
4453	>	public void testToCompletableFutureGarbageRetention() throws Throwable {
4454	>	final int n = expensiveTests ? 900_000 : 10;
4455	>	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4456	>	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4457	>	for (int i = 0; i < n; i++)
4458	>	assertTrue(minimal.toCompletableFuture().cancel(true));
4459	>	}
4460	>
4461	>	//     static <U> U join(CompletionStage<U> stage) {
4462	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4463	>	//         stage.whenComplete((v, ex) -> {
4464	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4465	>	//         });
4466	>	//         return f.join();
4467	>	//     }
4468	>
4469	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
4470	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4471	>	//         stage.whenComplete((v, ex) -> {
4472	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4473	>	//         });
4474	>	//         return f.isDone();
4475	>	//     }
4476	>
4477	>	//     static <U> U join2(CompletionStage<U> stage) {
4478	>	//         return stage.toCompletableFuture().copy().join();
4479	>	//     }
4480	>
4481	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4482	>	//         return stage.toCompletableFuture().copy().isDone();
4483	>	//     }
4484
4485		}

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