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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.28 by jsr166, Sun Jul 14 16:34:49 2013 UTC vs.
Revision 1.142 by dl, Fri Apr 1 23:18:00 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.TimeoutException;
34	+	import java.util.concurrent.TimeUnit;
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 72 | Line 89 | public class CompletableFutureTest exten
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 121 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} catch (Throwable fail) { threadUnexpectedException(fail); }
124	–	assertTrue(f.isDone());
125	–	assertTrue(f.isCompletedExceptionally());
126	–	assertTrue(f.isCancelled());
127	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
128	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	try {
132	<	f.get(LONG_DELAY_MS, MILLISECONDS);
133	<	shouldThrow();
134	<	} catch (ExecutionException success) {
135	<	assertTrue(success.getCause() instanceof CancellationException);
136	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
137	<	try {
138	<	f.join();
139	<	shouldThrow();
140	<	} catch (CompletionException success) {
141	<	assertTrue(success.getCause() instanceof CancellationException);
142	<	}
143	<	try {
144	<	f.getNow(null);
145	<	shouldThrow();
146	<	} catch (CompletionException success) {
147	<	assertTrue(success.getCause() instanceof CancellationException);
148	<	}
149	<	try {
150	<	f.get();
151	<	shouldThrow();
152	<	} catch (ExecutionException success) {
153	<	assertTrue(success.getCause() instanceof CancellationException);
154	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
156	–	assertFalse(f.isCancelled());
198		assertTrue(f.isCompletedExceptionally());
199	+	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 172 | 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 184 | 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 194 | 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 206 | 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 215 | 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 225 | 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());
233	<	checkCompletedWithWrappedCFException(f);
280	>	for (Integer v1 : new Integer[] { 1, null })
281	>	{
282	>	CFException ex;
283	>	CompletableFuture<Integer> f;
284	>
285		f = new CompletableFuture<>();
286	<	f.obtrudeException(new CFException());
287	<	checkCompletedWithWrappedCFException(f);
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.completeExceptionally(new CFException());
294	<	f.obtrudeValue(four);
295	<	checkCompletedNormally(f, four);
296	<	f.obtrudeException(new CFException());
297	<	checkCompletedWithWrappedCFException(f);
298	<	}
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(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	<	}
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 268 | 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 284 | Line 361 | public class CompletableFutureTest exten
361		checkCompletedNormally(f, "test");
362		}
363
364	<	// Choose non-commutative actions for better coverage
364	>	abstract 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 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	>	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	>	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	>	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	<	static final Supplier<Integer> supplyOne =
425	<	() -> Integer.valueOf(1);
426	<	static final Function<Integer, Integer> inc =
427	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
428	<	static final BiFunction<Integer, Integer, Integer> subtract =
429	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
295	<	static final class IncAction implements Consumer<Integer> {
296	<	int value;
297	<	public void accept(Integer x) { value = x.intValue() + 1; }
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	>	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	>	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	>	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	>	class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	FailingSupplier(ExecutionMode m) { super(m); }
463	>	public Integer get() {
464	>	invoked();
465	>	throw new CFException();
466	>	}
467		}
468	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
469	<	boolean ran;
470	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
468	>
469	>	class FailingConsumer extends CheckedIntegerAction
470	>	implements Consumer<Integer>
471	>	{
472	>	FailingConsumer(ExecutionMode m) { super(m); }
473	>	public void accept(Integer x) {
474	>	invoked();
475	>	value = x;
476	>	throw new CFException();
477	>	}
478	>	}
479	>
480	>	class FailingBiConsumer extends CheckedIntegerAction
481	>	implements BiConsumer<Integer, Integer>
482	>	{
483	>	FailingBiConsumer(ExecutionMode m) { super(m); }
484	>	public void accept(Integer x, Integer y) {
485	>	invoked();
486	>	value = subtract(x, y);
487	>	throw new CFException();
488	>	}
489		}
490	<	static final class FailingFunction implements Function<Integer, Integer> {
491	<	boolean ran;
492	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
490	>
491	>	class FailingFunction extends CheckedIntegerAction
492	>	implements Function<Integer, Integer>
493	>	{
494	>	FailingFunction(ExecutionMode m) { super(m); }
495	>	public Integer apply(Integer x) {
496	>	invoked();
497	>	value = x;
498	>	throw new CFException();
499	>	}
500		}
501	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
502	<	boolean ran;
503	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
501	>
502	>	class FailingBiFunction extends CheckedIntegerAction
503	>	implements BiFunction<Integer, Integer, Integer>
504	>	{
505	>	FailingBiFunction(ExecutionMode m) { super(m); }
506	>	public Integer apply(Integer x, Integer y) {
507	>	invoked();
508	>	value = subtract(x, y);
509	>	throw new CFException();
510	>	}
511		}
512	<	static final class FailingNoop implements Runnable {
513	<	boolean ran;
514	<	public void run() { ran = true; throw new CFException(); }
512	>
513	>	class FailingRunnable extends CheckedAction implements Runnable {
514	>	FailingRunnable(ExecutionMode m) { super(m); }
515	>	public void run() {
516	>	invoked();
517	>	throw new CFException();
518	>	}
519		}
520
521	<	static final class CompletableFutureInc
522	<	implements Function<Integer, CompletableFuture<Integer>> {
523	<	boolean ran;
521	>	class CompletableFutureInc extends CheckedIntegerAction
522	>	implements Function<Integer, CompletableFuture<Integer>>
523	>	{
524	>	CompletableFutureInc(ExecutionMode m) { super(m); }
525		public CompletableFuture<Integer> apply(Integer x) {
526	<	ran = true;
526	>	invoked();
527	>	value = x;
528		CompletableFuture<Integer> f = new CompletableFuture<>();
529	<	f.complete(Integer.valueOf(x.intValue() + 1));
529	>	assertTrue(f.complete(inc(x)));
530		return f;
531		}
532		}
533
534	<	static final class FailingCompletableFutureFunction
535	<	implements Function<Integer, CompletableFuture<Integer>> {
536	<	boolean ran;
534	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
535	>	implements Function<Integer, CompletableFuture<Integer>>
536	>	{
537	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
538		public CompletableFuture<Integer> apply(Integer x) {
539	<	ran = true; throw new CFException();
539	>	invoked();
540	>	value = x;
541	>	throw new CFException();
542		}
543		}
544
545		// Used for explicit executor tests
546		static final class ThreadExecutor implements Executor {
547	<	AtomicInteger count = new AtomicInteger(0);
547	>	final AtomicInteger count = new AtomicInteger(0);
548	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
549	>	static boolean startedCurrentThread() {
550	>	return Thread.currentThread().getThreadGroup() == tg;
551	>	}
552
553		public void execute(Runnable r) {
554		count.getAndIncrement();
555	<	new Thread(r).start();
555	>	new Thread(tg, r).start();
556		}
557		}
558
559	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
560	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
366	<	}
559	>	static final boolean defaultExecutorIsCommonPool
560	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
561
562	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
563	<	boolean ran;
564	<	public Integer apply(Integer x, Throwable t) {
565	<	ran = true;
566	<	return (t == null) ? two : three;
567	<	}
568	<	}
562	>	/**
563	>	* Permits the testing of parallel code for the 3 different
564	>	* execution modes without copy/pasting all the test methods.
565	>	*/
566	>	enum ExecutionMode {
567	>	SYNC {
568	>	public void checkExecutionMode() {
569	>	assertFalse(ThreadExecutor.startedCurrentThread());
570	>	assertNull(ForkJoinTask.getPool());
571	>	}
572	>	public CompletableFuture<Void> runAsync(Runnable a) {
573	>	throw new UnsupportedOperationException();
574	>	}
575	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
576	>	throw new UnsupportedOperationException();
577	>	}
578	>	public <T> CompletableFuture<Void> thenRun
579	>	(CompletableFuture<T> f, Runnable a) {
580	>	return f.thenRun(a);
581	>	}
582	>	public <T> CompletableFuture<Void> thenAccept
583	>	(CompletableFuture<T> f, Consumer<? super T> a) {
584	>	return f.thenAccept(a);
585	>	}
586	>	public <T,U> CompletableFuture<U> thenApply
587	>	(CompletableFuture<T> f, Function<? super T,U> a) {
588	>	return f.thenApply(a);
589	>	}
590	>	public <T,U> CompletableFuture<U> thenCompose
591	>	(CompletableFuture<T> f,
592	>	Function<? super T,? extends CompletionStage<U>> a) {
593	>	return f.thenCompose(a);
594	>	}
595	>	public <T,U> CompletableFuture<U> handle
596	>	(CompletableFuture<T> f,
597	>	BiFunction<? super T,Throwable,? extends U> a) {
598	>	return f.handle(a);
599	>	}
600	>	public <T> CompletableFuture<T> whenComplete
601	>	(CompletableFuture<T> f,
602	>	BiConsumer<? super T,? super Throwable> a) {
603	>	return f.whenComplete(a);
604	>	}
605	>	public <T,U> CompletableFuture<Void> runAfterBoth
606	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
607	>	return f.runAfterBoth(g, a);
608	>	}
609	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
610	>	(CompletableFuture<T> f,
611	>	CompletionStage<? extends U> g,
612	>	BiConsumer<? super T,? super U> a) {
613	>	return f.thenAcceptBoth(g, a);
614	>	}
615	>	public <T,U,V> CompletableFuture<V> thenCombine
616	>	(CompletableFuture<T> f,
617	>	CompletionStage<? extends U> g,
618	>	BiFunction<? super T,? super U,? extends V> a) {
619	>	return f.thenCombine(g, a);
620	>	}
621	>	public <T> CompletableFuture<Void> runAfterEither
622	>	(CompletableFuture<T> f,
623	>	CompletionStage<?> g,
624	>	java.lang.Runnable a) {
625	>	return f.runAfterEither(g, a);
626	>	}
627	>	public <T> CompletableFuture<Void> acceptEither
628	>	(CompletableFuture<T> f,
629	>	CompletionStage<? extends T> g,
630	>	Consumer<? super T> a) {
631	>	return f.acceptEither(g, a);
632	>	}
633	>	public <T,U> CompletableFuture<U> applyToEither
634	>	(CompletableFuture<T> f,
635	>	CompletionStage<? extends T> g,
636	>	Function<? super T,U> a) {
637	>	return f.applyToEither(g, a);
638	>	}
639	>	},
640	>
641	>	ASYNC {
642	>	public void checkExecutionMode() {
643	>	// If tests are added that may run across different
644	>	// pools, this needs to be weakened to no-op.
645	>	ForkJoinPool p = ForkJoinTask.getPool();
646	>	assertTrue(p == null ||
647	>	(defaultExecutorIsCommonPool &&
648	>	p == ForkJoinPool.commonPool()));
649	>	}
650	>	public CompletableFuture<Void> runAsync(Runnable a) {
651	>	return CompletableFuture.runAsync(a);
652	>	}
653	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
654	>	return CompletableFuture.supplyAsync(a);
655	>	}
656	>	public <T> CompletableFuture<Void> thenRun
657	>	(CompletableFuture<T> f, Runnable a) {
658	>	return f.thenRunAsync(a);
659	>	}
660	>	public <T> CompletableFuture<Void> thenAccept
661	>	(CompletableFuture<T> f, Consumer<? super T> a) {
662	>	return f.thenAcceptAsync(a);
663	>	}
664	>	public <T,U> CompletableFuture<U> thenApply
665	>	(CompletableFuture<T> f, Function<? super T,U> a) {
666	>	return f.thenApplyAsync(a);
667	>	}
668	>	public <T,U> CompletableFuture<U> thenCompose
669	>	(CompletableFuture<T> f,
670	>	Function<? super T,? extends CompletionStage<U>> a) {
671	>	return f.thenComposeAsync(a);
672	>	}
673	>	public <T,U> CompletableFuture<U> handle
674	>	(CompletableFuture<T> f,
675	>	BiFunction<? super T,Throwable,? extends U> a) {
676	>	return f.handleAsync(a);
677	>	}
678	>	public <T> CompletableFuture<T> whenComplete
679	>	(CompletableFuture<T> f,
680	>	BiConsumer<? super T,? super Throwable> a) {
681	>	return f.whenCompleteAsync(a);
682	>	}
683	>	public <T,U> CompletableFuture<Void> runAfterBoth
684	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
685	>	return f.runAfterBothAsync(g, a);
686	>	}
687	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
688	>	(CompletableFuture<T> f,
689	>	CompletionStage<? extends U> g,
690	>	BiConsumer<? super T,? super U> a) {
691	>	return f.thenAcceptBothAsync(g, a);
692	>	}
693	>	public <T,U,V> CompletableFuture<V> thenCombine
694	>	(CompletableFuture<T> f,
695	>	CompletionStage<? extends U> g,
696	>	BiFunction<? super T,? super U,? extends V> a) {
697	>	return f.thenCombineAsync(g, a);
698	>	}
699	>	public <T> CompletableFuture<Void> runAfterEither
700	>	(CompletableFuture<T> f,
701	>	CompletionStage<?> g,
702	>	java.lang.Runnable a) {
703	>	return f.runAfterEitherAsync(g, a);
704	>	}
705	>	public <T> CompletableFuture<Void> acceptEither
706	>	(CompletableFuture<T> f,
707	>	CompletionStage<? extends T> g,
708	>	Consumer<? super T> a) {
709	>	return f.acceptEitherAsync(g, a);
710	>	}
711	>	public <T,U> CompletableFuture<U> applyToEither
712	>	(CompletableFuture<T> f,
713	>	CompletionStage<? extends T> g,
714	>	Function<? super T,U> a) {
715	>	return f.applyToEitherAsync(g, a);
716	>	}
717	>	},
718	>
719	>	EXECUTOR {
720	>	public void checkExecutionMode() {
721	>	assertTrue(ThreadExecutor.startedCurrentThread());
722	>	}
723	>	public CompletableFuture<Void> runAsync(Runnable a) {
724	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
725	>	}
726	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
727	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
728	>	}
729	>	public <T> CompletableFuture<Void> thenRun
730	>	(CompletableFuture<T> f, Runnable a) {
731	>	return f.thenRunAsync(a, new ThreadExecutor());
732	>	}
733	>	public <T> CompletableFuture<Void> thenAccept
734	>	(CompletableFuture<T> f, Consumer<? super T> a) {
735	>	return f.thenAcceptAsync(a, new ThreadExecutor());
736	>	}
737	>	public <T,U> CompletableFuture<U> thenApply
738	>	(CompletableFuture<T> f, Function<? super T,U> a) {
739	>	return f.thenApplyAsync(a, new ThreadExecutor());
740	>	}
741	>	public <T,U> CompletableFuture<U> thenCompose
742	>	(CompletableFuture<T> f,
743	>	Function<? super T,? extends CompletionStage<U>> a) {
744	>	return f.thenComposeAsync(a, new ThreadExecutor());
745	>	}
746	>	public <T,U> CompletableFuture<U> handle
747	>	(CompletableFuture<T> f,
748	>	BiFunction<? super T,Throwable,? extends U> a) {
749	>	return f.handleAsync(a, new ThreadExecutor());
750	>	}
751	>	public <T> CompletableFuture<T> whenComplete
752	>	(CompletableFuture<T> f,
753	>	BiConsumer<? super T,? super Throwable> a) {
754	>	return f.whenCompleteAsync(a, new ThreadExecutor());
755	>	}
756	>	public <T,U> CompletableFuture<Void> runAfterBoth
757	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
758	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
759	>	}
760	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
761	>	(CompletableFuture<T> f,
762	>	CompletionStage<? extends U> g,
763	>	BiConsumer<? super T,? super U> a) {
764	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
765	>	}
766	>	public <T,U,V> CompletableFuture<V> thenCombine
767	>	(CompletableFuture<T> f,
768	>	CompletionStage<? extends U> g,
769	>	BiFunction<? super T,? super U,? extends V> a) {
770	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
771	>	}
772	>	public <T> CompletableFuture<Void> runAfterEither
773	>	(CompletableFuture<T> f,
774	>	CompletionStage<?> g,
775	>	java.lang.Runnable a) {
776	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
777	>	}
778	>	public <T> CompletableFuture<Void> acceptEither
779	>	(CompletableFuture<T> f,
780	>	CompletionStage<? extends T> g,
781	>	Consumer<? super T> a) {
782	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
783	>	}
784	>	public <T,U> CompletableFuture<U> applyToEither
785	>	(CompletableFuture<T> f,
786	>	CompletionStage<? extends T> g,
787	>	Function<? super T,U> a) {
788	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
789	>	}
790	>	};
791	>
792	>	public abstract void checkExecutionMode();
793	>	public abstract CompletableFuture<Void> runAsync(Runnable a);
794	>	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
795	>	public abstract <T> CompletableFuture<Void> thenRun
796	>	(CompletableFuture<T> f, Runnable a);
797	>	public abstract <T> CompletableFuture<Void> thenAccept
798	>	(CompletableFuture<T> f, Consumer<? super T> a);
799	>	public abstract <T,U> CompletableFuture<U> thenApply
800	>	(CompletableFuture<T> f, Function<? super T,U> a);
801	>	public abstract <T,U> CompletableFuture<U> thenCompose
802	>	(CompletableFuture<T> f,
803	>	Function<? super T,? extends CompletionStage<U>> a);
804	>	public abstract <T,U> CompletableFuture<U> handle
805	>	(CompletableFuture<T> f,
806	>	BiFunction<? super T,Throwable,? extends U> a);
807	>	public abstract <T> CompletableFuture<T> whenComplete
808	>	(CompletableFuture<T> f,
809	>	BiConsumer<? super T,? super Throwable> a);
810	>	public abstract <T,U> CompletableFuture<Void> runAfterBoth
811	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
812	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
813	>	(CompletableFuture<T> f,
814	>	CompletionStage<? extends U> g,
815	>	BiConsumer<? super T,? super U> a);
816	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
817	>	(CompletableFuture<T> f,
818	>	CompletionStage<? extends U> g,
819	>	BiFunction<? super T,? super U,? extends V> a);
820	>	public abstract <T> CompletableFuture<Void> runAfterEither
821	>	(CompletableFuture<T> f,
822	>	CompletionStage<?> g,
823	>	java.lang.Runnable a);
824	>	public abstract <T> CompletableFuture<Void> acceptEither
825	>	(CompletableFuture<T> f,
826	>	CompletionStage<? extends T> g,
827	>	Consumer<? super T> a);
828	>	public abstract <T,U> CompletableFuture<U> applyToEither
829	>	(CompletableFuture<T> f,
830	>	CompletionStage<? extends T> g,
831	>	Function<? super T,U> a);
832	>	}
833	>
834	>	/**
835	>	* exceptionally action is not invoked when source completes
836	>	* normally, and source result is propagated
837	>	*/
838	>	public void testExceptionally_normalCompletion() {
839	>	for (boolean createIncomplete : new boolean[] { true, false })
840	>	for (Integer v1 : new Integer[] { 1, null })
841	>	{
842	>	final AtomicInteger a = new AtomicInteger(0);
843	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
844	>	if (!createIncomplete) assertTrue(f.complete(v1));
845	>	final CompletableFuture<Integer> g = f.exceptionally
846	>	((Throwable t) -> {
847	>	a.getAndIncrement();
848	>	threadFail("should not be called");
849	>	return null;            // unreached
850	>	});
851	>	if (createIncomplete) assertTrue(f.complete(v1));
852	>
853	>	checkCompletedNormally(g, v1);
854	>	checkCompletedNormally(f, v1);
855	>	assertEquals(0, a.get());
856	>	}}
857
858		/**
859		* exceptionally action completes with function value on source
860	<	* exception;  otherwise with source value
860	>	* exception
861		*/
862	<	public void testExceptionally() {
863	<	CompletableFuture<Integer> f = new CompletableFuture<>();
864	<	ExceptionToInteger r = new ExceptionToInteger();
865	<	CompletableFuture<Integer> g = f.exceptionally(r);
866	<	f.completeExceptionally(new CFException());
867	<	checkCompletedNormally(g, three);
862	>	public void testExceptionally_exceptionalCompletion() {
863	>	for (boolean createIncomplete : new boolean[] { true, false })
864	>	for (Integer v1 : new Integer[] { 1, null })
865	>	{
866	>	final AtomicInteger a = new AtomicInteger(0);
867	>	final CFException ex = new CFException();
868	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
869	>	if (!createIncomplete) f.completeExceptionally(ex);
870	>	final CompletableFuture<Integer> g = f.exceptionally
871	>	((Throwable t) -> {
872	>	ExecutionMode.SYNC.checkExecutionMode();
873	>	threadAssertSame(t, ex);
874	>	a.getAndIncrement();
875	>	return v1;
876	>	});
877	>	if (createIncomplete) f.completeExceptionally(ex);
878	>
879	>	checkCompletedNormally(g, v1);
880	>	assertEquals(1, a.get());
881	>	}}
882	>
883	>	/**
884	>	* If an "exceptionally action" throws an exception, it completes
885	>	* exceptionally with that exception
886	>	*/
887	>	public void testExceptionally_exceptionalCompletionActionFailed() {
888	>	for (boolean createIncomplete : new boolean[] { true, false })
889	>	{
890	>	final AtomicInteger a = new AtomicInteger(0);
891	>	final CFException ex1 = new CFException();
892	>	final CFException ex2 = new CFException();
893	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
894	>	if (!createIncomplete) f.completeExceptionally(ex1);
895	>	final CompletableFuture<Integer> g = f.exceptionally
896	>	((Throwable t) -> {
897	>	ExecutionMode.SYNC.checkExecutionMode();
898	>	threadAssertSame(t, ex1);
899	>	a.getAndIncrement();
900	>	throw ex2;
901	>	});
902	>	if (createIncomplete) f.completeExceptionally(ex1);
903	>
904	>	checkCompletedWithWrappedException(g, ex2);
905	>	checkCompletedExceptionally(f, ex1);
906	>	assertEquals(1, a.get());
907	>	}}
908
909	<	f = new CompletableFuture<>();
910	<	r = new ExceptionToInteger();
911	<	g = f.exceptionally(r);
912	<	f.complete(one);
913	<	checkCompletedNormally(g, one);
914	<	}
909	>	/**
910	>	* whenComplete action executes on normal completion, propagating
911	>	* source result.
912	>	*/
913	>	public void testWhenComplete_normalCompletion() {
914	>	for (ExecutionMode m : ExecutionMode.values())
915	>	for (boolean createIncomplete : new boolean[] { true, false })
916	>	for (Integer v1 : new Integer[] { 1, null })
917	>	{
918	>	final AtomicInteger a = new AtomicInteger(0);
919	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
920	>	if (!createIncomplete) assertTrue(f.complete(v1));
921	>	final CompletableFuture<Integer> g = m.whenComplete
922	>	(f,
923	>	(Integer result, Throwable t) -> {
924	>	m.checkExecutionMode();
925	>	threadAssertSame(result, v1);
926	>	threadAssertNull(t);
927	>	a.getAndIncrement();
928	>	});
929	>	if (createIncomplete) assertTrue(f.complete(v1));
930	>
931	>	checkCompletedNormally(g, v1);
932	>	checkCompletedNormally(f, v1);
933	>	assertEquals(1, a.get());
934	>	}}
935
936		/**
937	<	* handle action completes normally with function value on either
938	<	* normal or exceptional completion of source
937	>	* whenComplete action executes on exceptional completion, propagating
938	>	* source result.
939		*/
940	<	public void testHandle() {
941	<	CompletableFuture<Integer> f, g;
942	<	IntegerHandler r;
940	>	public void testWhenComplete_exceptionalCompletion() {
941	>	for (ExecutionMode m : ExecutionMode.values())
942	>	for (boolean createIncomplete : new boolean[] { true, false })
943	>	{
944	>	final AtomicInteger a = new AtomicInteger(0);
945	>	final CFException ex = new CFException();
946	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
947	>	if (!createIncomplete) f.completeExceptionally(ex);
948	>	final CompletableFuture<Integer> g = m.whenComplete
949	>	(f,
950	>	(Integer result, Throwable t) -> {
951	>	m.checkExecutionMode();
952	>	threadAssertNull(result);
953	>	threadAssertSame(t, ex);
954	>	a.getAndIncrement();
955	>	});
956	>	if (createIncomplete) f.completeExceptionally(ex);
957	>
958	>	checkCompletedWithWrappedException(g, ex);
959	>	checkCompletedExceptionally(f, ex);
960	>	assertEquals(1, a.get());
961	>	}}
962	>
963	>	/**
964	>	* whenComplete action executes on cancelled source, propagating
965	>	* CancellationException.
966	>	*/
967	>	public void testWhenComplete_sourceCancelled() {
968	>	for (ExecutionMode m : ExecutionMode.values())
969	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
970	>	for (boolean createIncomplete : new boolean[] { true, false })
971	>	{
972	>	final AtomicInteger a = new AtomicInteger(0);
973	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
974	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
975	>	final CompletableFuture<Integer> g = m.whenComplete
976	>	(f,
977	>	(Integer result, Throwable t) -> {
978	>	m.checkExecutionMode();
979	>	threadAssertNull(result);
980	>	threadAssertTrue(t instanceof CancellationException);
981	>	a.getAndIncrement();
982	>	});
983	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
984
985	<	f = new CompletableFuture<>();
986	<	f.completeExceptionally(new CFException());
987	<	g = f.handle(r = new IntegerHandler());
988	<	assertTrue(r.ran);
406	<	checkCompletedNormally(g, three);
985	>	checkCompletedWithWrappedCancellationException(g);
986	>	checkCancelled(f);
987	>	assertEquals(1, a.get());
988	>	}}
989
990	<	f = new CompletableFuture<>();
991	<	g = f.handle(r = new IntegerHandler());
992	<	assertFalse(r.ran);
993	<	f.completeExceptionally(new CFException());
994	<	checkCompletedNormally(g, three);
995	<	assertTrue(r.ran);
990	>	/**
991	>	* If a whenComplete action throws an exception when triggered by
992	>	* a normal completion, it completes exceptionally
993	>	*/
994	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
995	>	for (boolean createIncomplete : new boolean[] { true, false })
996	>	for (ExecutionMode m : ExecutionMode.values())
997	>	for (Integer v1 : new Integer[] { 1, null })
998	>	{
999	>	final AtomicInteger a = new AtomicInteger(0);
1000	>	final CFException ex = new CFException();
1001	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1002	>	if (!createIncomplete) assertTrue(f.complete(v1));
1003	>	final CompletableFuture<Integer> g = m.whenComplete
1004	>	(f,
1005	>	(Integer result, Throwable t) -> {
1006	>	m.checkExecutionMode();
1007	>	threadAssertSame(result, v1);
1008	>	threadAssertNull(t);
1009	>	a.getAndIncrement();
1010	>	throw ex;
1011	>	});
1012	>	if (createIncomplete) assertTrue(f.complete(v1));
1013	>
1014	>	checkCompletedWithWrappedException(g, ex);
1015	>	checkCompletedNormally(f, v1);
1016	>	assertEquals(1, a.get());
1017	>	}}
1018
1019	<	f = new CompletableFuture<>();
1020	<	f.complete(one);
1021	<	g = f.handle(r = new IntegerHandler());
1022	<	assertTrue(r.ran);
1023	<	checkCompletedNormally(g, two);
1019	>	/**
1020	>	* If a whenComplete action throws an exception when triggered by
1021	>	* a source completion that also throws an exception, the source
1022	>	* exception takes precedence (unlike handle)
1023	>	*/
1024	>	public void testWhenComplete_sourceFailedActionFailed() {
1025	>	for (boolean createIncomplete : new boolean[] { true, false })
1026	>	for (ExecutionMode m : ExecutionMode.values())
1027	>	{
1028	>	final AtomicInteger a = new AtomicInteger(0);
1029	>	final CFException ex1 = new CFException();
1030	>	final CFException ex2 = new CFException();
1031	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1032	>
1033	>	if (!createIncomplete) f.completeExceptionally(ex1);
1034	>	final CompletableFuture<Integer> g = m.whenComplete
1035	>	(f,
1036	>	(Integer result, Throwable t) -> {
1037	>	m.checkExecutionMode();
1038	>	threadAssertSame(t, ex1);
1039	>	threadAssertNull(result);
1040	>	a.getAndIncrement();
1041	>	throw ex2;
1042	>	});
1043	>	if (createIncomplete) f.completeExceptionally(ex1);
1044	>
1045	>	checkCompletedWithWrappedException(g, ex1);
1046	>	checkCompletedExceptionally(f, ex1);
1047	>	if (testImplementationDetails) {
1048	>	assertEquals(1, ex1.getSuppressed().length);
1049	>	assertSame(ex2, ex1.getSuppressed()[0]);
1050	>	}
1051	>	assertEquals(1, a.get());
1052	>	}}
1053
1054	<	f = new CompletableFuture<>();
1055	<	g = f.handle(r = new IntegerHandler());
1056	<	assertFalse(r.ran);
1057	<	f.complete(one);
1058	<	assertTrue(r.ran);
1059	<	checkCompletedNormally(g, two);
1060	<	}
1054	>	/**
1055	>	* handle action completes normally with function value on normal
1056	>	* completion of source
1057	>	*/
1058	>	public void testHandle_normalCompletion() {
1059	>	for (ExecutionMode m : ExecutionMode.values())
1060	>	for (boolean createIncomplete : new boolean[] { true, false })
1061	>	for (Integer v1 : new Integer[] { 1, null })
1062	>	{
1063	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1064	>	final AtomicInteger a = new AtomicInteger(0);
1065	>	if (!createIncomplete) assertTrue(f.complete(v1));
1066	>	final CompletableFuture<Integer> g = m.handle
1067	>	(f,
1068	>	(Integer result, Throwable t) -> {
1069	>	m.checkExecutionMode();
1070	>	threadAssertSame(result, v1);
1071	>	threadAssertNull(t);
1072	>	a.getAndIncrement();
1073	>	return inc(v1);
1074	>	});
1075	>	if (createIncomplete) assertTrue(f.complete(v1));
1076	>
1077	>	checkCompletedNormally(g, inc(v1));
1078	>	checkCompletedNormally(f, v1);
1079	>	assertEquals(1, a.get());
1080	>	}}
1081
1082		/**
1083	<	* runAsync completes after running Runnable
1083	>	* handle action completes normally with function value on
1084	>	* exceptional completion of source
1085		*/
1086	<	public void testRunAsync() {
1087	<	Noop r = new Noop();
1088	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1089	<	assertNull(f.join());
1090	<	assertTrue(r.ran);
1091	<	checkCompletedNormally(f, null);
1092	<	}
1086	>	public void testHandle_exceptionalCompletion() {
1087	>	for (ExecutionMode m : ExecutionMode.values())
1088	>	for (boolean createIncomplete : new boolean[] { true, false })
1089	>	for (Integer v1 : new Integer[] { 1, null })
1090	>	{
1091	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1092	>	final AtomicInteger a = new AtomicInteger(0);
1093	>	final CFException ex = new CFException();
1094	>	if (!createIncomplete) f.completeExceptionally(ex);
1095	>	final CompletableFuture<Integer> g = m.handle
1096	>	(f,
1097	>	(Integer result, Throwable t) -> {
1098	>	m.checkExecutionMode();
1099	>	threadAssertNull(result);
1100	>	threadAssertSame(t, ex);
1101	>	a.getAndIncrement();
1102	>	return v1;
1103	>	});
1104	>	if (createIncomplete) f.completeExceptionally(ex);
1105	>
1106	>	checkCompletedNormally(g, v1);
1107	>	checkCompletedExceptionally(f, ex);
1108	>	assertEquals(1, a.get());
1109	>	}}
1110	>
1111	>	/**
1112	>	* handle action completes normally with function value on
1113	>	* cancelled source
1114	>	*/
1115	>	public void testHandle_sourceCancelled() {
1116	>	for (ExecutionMode m : ExecutionMode.values())
1117	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1118	>	for (boolean createIncomplete : new boolean[] { true, false })
1119	>	for (Integer v1 : new Integer[] { 1, null })
1120	>	{
1121	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1122	>	final AtomicInteger a = new AtomicInteger(0);
1123	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1124	>	final CompletableFuture<Integer> g = m.handle
1125	>	(f,
1126	>	(Integer result, Throwable t) -> {
1127	>	m.checkExecutionMode();
1128	>	threadAssertNull(result);
1129	>	threadAssertTrue(t instanceof CancellationException);
1130	>	a.getAndIncrement();
1131	>	return v1;
1132	>	});
1133	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1134	>
1135	>	checkCompletedNormally(g, v1);
1136	>	checkCancelled(f);
1137	>	assertEquals(1, a.get());
1138	>	}}
1139
1140		/**
1141	<	* runAsync with executor completes after running Runnable
1141	>	* If a "handle action" throws an exception when triggered by
1142	>	* a normal completion, it completes exceptionally
1143		*/
1144	<	public void testRunAsync2() {
1145	<	Noop r = new Noop();
1146	<	ThreadExecutor exec = new ThreadExecutor();
1147	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
1144	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1145	>	for (ExecutionMode m : ExecutionMode.values())
1146	>	for (boolean createIncomplete : new boolean[] { true, false })
1147	>	for (Integer v1 : new Integer[] { 1, null })
1148	>	{
1149	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1150	>	final AtomicInteger a = new AtomicInteger(0);
1151	>	final CFException ex = new CFException();
1152	>	if (!createIncomplete) assertTrue(f.complete(v1));
1153	>	final CompletableFuture<Integer> g = m.handle
1154	>	(f,
1155	>	(Integer result, Throwable t) -> {
1156	>	m.checkExecutionMode();
1157	>	threadAssertSame(result, v1);
1158	>	threadAssertNull(t);
1159	>	a.getAndIncrement();
1160	>	throw ex;
1161	>	});
1162	>	if (createIncomplete) assertTrue(f.complete(v1));
1163	>
1164	>	checkCompletedWithWrappedException(g, ex);
1165	>	checkCompletedNormally(f, v1);
1166	>	assertEquals(1, a.get());
1167	>	}}
1168	>
1169	>	/**
1170	>	* If a "handle action" throws an exception when triggered by
1171	>	* a source completion that also throws an exception, the action
1172	>	* exception takes precedence (unlike whenComplete)
1173	>	*/
1174	>	public void testHandle_sourceFailedActionFailed() {
1175	>	for (boolean createIncomplete : new boolean[] { true, false })
1176	>	for (ExecutionMode m : ExecutionMode.values())
1177	>	{
1178	>	final AtomicInteger a = new AtomicInteger(0);
1179	>	final CFException ex1 = new CFException();
1180	>	final CFException ex2 = new CFException();
1181	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1182	>
1183	>	if (!createIncomplete) f.completeExceptionally(ex1);
1184	>	final CompletableFuture<Integer> g = m.handle
1185	>	(f,
1186	>	(Integer result, Throwable t) -> {
1187	>	m.checkExecutionMode();
1188	>	threadAssertNull(result);
1189	>	threadAssertSame(ex1, t);
1190	>	a.getAndIncrement();
1191	>	throw ex2;
1192	>	});
1193	>	if (createIncomplete) f.completeExceptionally(ex1);
1194	>
1195	>	checkCompletedWithWrappedException(g, ex2);
1196	>	checkCompletedExceptionally(f, ex1);
1197	>	assertEquals(1, a.get());
1198	>	}}
1199	>
1200	>	/**
1201	>	* runAsync completes after running Runnable
1202	>	*/
1203	>	public void testRunAsync_normalCompletion() {
1204	>	ExecutionMode[] executionModes = {
1205	>	ExecutionMode.ASYNC,
1206	>	ExecutionMode.EXECUTOR,
1207	>	};
1208	>	for (ExecutionMode m : executionModes)
1209	>	{
1210	>	final Noop r = new Noop(m);
1211	>	final CompletableFuture<Void> f = m.runAsync(r);
1212		assertNull(f.join());
448	–	assertTrue(r.ran);
1213		checkCompletedNormally(f, null);
1214	<	assertEquals(1, exec.count.get());
1215	<	}
1214	>	r.assertInvoked();
1215	>	}}
1216
1217		/**
1218		* failing runAsync completes exceptionally after running Runnable
1219		*/
1220	<	public void testRunAsync3() {
1221	<	FailingNoop r = new FailingNoop();
1222	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1220	>	public void testRunAsync_exceptionalCompletion() {
1221	>	ExecutionMode[] executionModes = {
1222	>	ExecutionMode.ASYNC,
1223	>	ExecutionMode.EXECUTOR,
1224	>	};
1225	>	for (ExecutionMode m : executionModes)
1226	>	{
1227	>	final FailingRunnable r = new FailingRunnable(m);
1228	>	final CompletableFuture<Void> f = m.runAsync(r);
1229		checkCompletedWithWrappedCFException(f);
1230	<	assertTrue(r.ran);
1231	<	}
1230	>	r.assertInvoked();
1231	>	}}
1232
1233		/**
1234		* supplyAsync completes with result of supplier
1235		*/
1236	<	public void testSupplyAsync() {
1237	<	CompletableFuture<Integer> f;
1238	<	f = CompletableFuture.supplyAsync(supplyOne);
1239	<	assertEquals(f.join(), one);
1240	<	checkCompletedNormally(f, one);
1241	<	}
1242	<
1243	<	/**
1244	<	* supplyAsync with executor completes with result of supplier
1245	<	*/
1246	<	public void testSupplyAsync2() {
1247	<	CompletableFuture<Integer> f;
1248	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1249	<	assertEquals(f.join(), one);
480	<	checkCompletedNormally(f, one);
481	<	}
1236	>	public void testSupplyAsync_normalCompletion() {
1237	>	ExecutionMode[] executionModes = {
1238	>	ExecutionMode.ASYNC,
1239	>	ExecutionMode.EXECUTOR,
1240	>	};
1241	>	for (ExecutionMode m : executionModes)
1242	>	for (Integer v1 : new Integer[] { 1, null })
1243	>	{
1244	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1245	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1246	>	assertSame(v1, f.join());
1247	>	checkCompletedNormally(f, v1);
1248	>	r.assertInvoked();
1249	>	}}
1250
1251		/**
1252		* Failing supplyAsync completes exceptionally
1253		*/
1254	<	public void testSupplyAsync3() {
1255	<	FailingSupplier r = new FailingSupplier();
1256	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1254	>	public void testSupplyAsync_exceptionalCompletion() {
1255	>	ExecutionMode[] executionModes = {
1256	>	ExecutionMode.ASYNC,
1257	>	ExecutionMode.EXECUTOR,
1258	>	};
1259	>	for (ExecutionMode m : executionModes)
1260	>	{
1261	>	FailingSupplier r = new FailingSupplier(m);
1262	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1263		checkCompletedWithWrappedCFException(f);
1264	<	assertTrue(r.ran);
1265	<	}
1264	>	r.assertInvoked();
1265	>	}}
1266
1267		// seq completion methods
1268
1269		/**
1270		* thenRun result completes normally after normal completion of source
1271		*/
1272	<	public void testThenRun() {
1273	<	CompletableFuture<Integer> f;
1274	<	CompletableFuture<Void> g;
1275	<	Noop r;
1276	<
1277	<	f = new CompletableFuture<>();
1278	<	g = f.thenRun(r = new Noop());
1279	<	f.complete(null);
1280	<	checkCompletedNormally(g, null);
1281	<	assertTrue(r.ran);
1282	<
1283	<	f = new CompletableFuture<>();
1284	<	f.complete(null);
1285	<	g = f.thenRun(r = new Noop());
1286	<	checkCompletedNormally(g, null);
1287	<	assertTrue(r.ran);
1288	<	}
1272	>	public void testThenRun_normalCompletion() {
1273	>	for (ExecutionMode m : ExecutionMode.values())
1274	>	for (Integer v1 : new Integer[] { 1, null })
1275	>	{
1276	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1277	>	final Noop[] rs = new Noop[6];
1278	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1279	>
1280	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1281	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1282	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1283	>	checkIncomplete(h0);
1284	>	checkIncomplete(h1);
1285	>	checkIncomplete(h2);
1286	>	assertTrue(f.complete(v1));
1287	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1288	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1289	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1290	>
1291	>	checkCompletedNormally(h0, null);
1292	>	checkCompletedNormally(h1, null);
1293	>	checkCompletedNormally(h2, null);
1294	>	checkCompletedNormally(h3, null);
1295	>	checkCompletedNormally(h4, null);
1296	>	checkCompletedNormally(h5, null);
1297	>	checkCompletedNormally(f, v1);
1298	>	for (Noop r : rs) r.assertInvoked();
1299	>	}}
1300
1301		/**
1302		* thenRun result completes exceptionally after exceptional
1303		* completion of source
1304		*/
1305	<	public void testThenRun2() {
1306	<	CompletableFuture<Integer> f;
1307	<	CompletableFuture<Void> g;
1308	<	Noop r;
1309	<
1310	<	f = new CompletableFuture<>();
1311	<	g = f.thenRun(r = new Noop());
1312	<	f.completeExceptionally(new CFException());
1313	<	checkCompletedWithWrappedCFException(g);
1314	<	assertFalse(r.ran);
1315	<
1316	<	f = new CompletableFuture<>();
1317	<	f.completeExceptionally(new CFException());
1318	<	g = f.thenRun(r = new Noop());
1319	<	checkCompletedWithWrappedCFException(g);
1320	<	assertFalse(r.ran);
1321	<	}
1305	>	public void testThenRun_exceptionalCompletion() {
1306	>	for (ExecutionMode m : ExecutionMode.values())
1307	>	{
1308	>	final CFException ex = new CFException();
1309	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1310	>	final Noop[] rs = new Noop[6];
1311	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1312	>
1313	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1314	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1315	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1316	>	checkIncomplete(h0);
1317	>	checkIncomplete(h1);
1318	>	checkIncomplete(h2);
1319	>	assertTrue(f.completeExceptionally(ex));
1320	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1321	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1322	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1323	>
1324	>	checkCompletedWithWrappedException(h0, ex);
1325	>	checkCompletedWithWrappedException(h1, ex);
1326	>	checkCompletedWithWrappedException(h2, ex);
1327	>	checkCompletedWithWrappedException(h3, ex);
1328	>	checkCompletedWithWrappedException(h4, ex);
1329	>	checkCompletedWithWrappedException(h5, ex);
1330	>	checkCompletedExceptionally(f, ex);
1331	>	for (Noop r : rs) r.assertNotInvoked();
1332	>	}}
1333
1334		/**
1335	<	* thenRun result completes exceptionally if action does
1335	>	* thenRun result completes exceptionally if source cancelled
1336		*/
1337	<	public void testThenRun3() {
1338	<	CompletableFuture<Integer> f;
1339	<	CompletableFuture<Void> g;
1340	<	FailingNoop r;
1341	<
1342	<	f = new CompletableFuture<>();
1343	<	g = f.thenRun(r = new FailingNoop());
1344	<	f.complete(null);
1345	<	checkCompletedWithWrappedCFException(g);
1346	<
1347	<	f = new CompletableFuture<>();
1348	<	f.complete(null);
1349	<	g = f.thenRun(r = new FailingNoop());
1350	<	checkCompletedWithWrappedCFException(g);
1351	<	}
1337	>	public void testThenRun_sourceCancelled() {
1338	>	for (ExecutionMode m : ExecutionMode.values())
1339	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1340	>	{
1341	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1342	>	final Noop[] rs = new Noop[6];
1343	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1344	>
1345	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1346	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1347	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1348	>	checkIncomplete(h0);
1349	>	checkIncomplete(h1);
1350	>	checkIncomplete(h2);
1351	>	assertTrue(f.cancel(mayInterruptIfRunning));
1352	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1353	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1354	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1355	>
1356	>	checkCompletedWithWrappedCancellationException(h0);
1357	>	checkCompletedWithWrappedCancellationException(h1);
1358	>	checkCompletedWithWrappedCancellationException(h2);
1359	>	checkCompletedWithWrappedCancellationException(h3);
1360	>	checkCompletedWithWrappedCancellationException(h4);
1361	>	checkCompletedWithWrappedCancellationException(h5);
1362	>	checkCancelled(f);
1363	>	for (Noop r : rs) r.assertNotInvoked();
1364	>	}}
1365
1366		/**
1367	<	* thenRun result completes exceptionally if source cancelled
1367	>	* thenRun result completes exceptionally if action does
1368		*/
1369	<	public void testThenRun4() {
1370	<	CompletableFuture<Integer> f;
1371	<	CompletableFuture<Void> g;
1372	<	Noop r;
1373	<
1374	<	f = new CompletableFuture<>();
1375	<	g = f.thenRun(r = new Noop());
1376	<	assertTrue(f.cancel(true));
1377	<	checkCompletedWithWrappedCancellationException(g);
1378	<
1379	<	f = new CompletableFuture<>();
1380	<	assertTrue(f.cancel(true));
1381	<	g = f.thenRun(r = new Noop());
1382	<	checkCompletedWithWrappedCancellationException(g);
1383	<	}
1369	>	public void testThenRun_actionFailed() {
1370	>	for (ExecutionMode m : ExecutionMode.values())
1371	>	for (Integer v1 : new Integer[] { 1, null })
1372	>	{
1373	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1374	>	final FailingRunnable[] rs = new FailingRunnable[6];
1375	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1376	>
1377	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1378	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1379	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1380	>	assertTrue(f.complete(v1));
1381	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1382	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1383	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1384	>
1385	>	checkCompletedWithWrappedCFException(h0);
1386	>	checkCompletedWithWrappedCFException(h1);
1387	>	checkCompletedWithWrappedCFException(h2);
1388	>	checkCompletedWithWrappedCFException(h3);
1389	>	checkCompletedWithWrappedCFException(h4);
1390	>	checkCompletedWithWrappedCFException(h5);
1391	>	checkCompletedNormally(f, v1);
1392	>	}}
1393
1394		/**
1395		* thenApply result completes normally after normal completion of source
1396		*/
1397	<	public void testThenApply() {
1398	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1399	<	CompletableFuture<Integer> g = f.thenApply(inc);
1400	<	f.complete(one);
1401	<	checkCompletedNormally(g, two);
1402	<	}
1397	>	public void testThenApply_normalCompletion() {
1398	>	for (ExecutionMode m : ExecutionMode.values())
1399	>	for (Integer v1 : new Integer[] { 1, null })
1400	>	{
1401	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1402	>	final IncFunction[] rs = new IncFunction[4];
1403	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1404	>
1405	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1406	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1407	>	checkIncomplete(h0);
1408	>	checkIncomplete(h1);
1409	>	assertTrue(f.complete(v1));
1410	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1411	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1412	>
1413	>	checkCompletedNormally(h0, inc(v1));
1414	>	checkCompletedNormally(h1, inc(v1));
1415	>	checkCompletedNormally(h2, inc(v1));
1416	>	checkCompletedNormally(h3, inc(v1));
1417	>	checkCompletedNormally(f, v1);
1418	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1419	>	}}
1420
1421		/**
1422		* thenApply result completes exceptionally after exceptional
1423		* completion of source
1424		*/
1425	<	public void testThenApply2() {
1426	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1427	<	CompletableFuture<Integer> g = f.thenApply(inc);
1428	<	f.completeExceptionally(new CFException());
1429	<	checkCompletedWithWrappedCFException(g);
1430	<	}
1425	>	public void testThenApply_exceptionalCompletion() {
1426	>	for (ExecutionMode m : ExecutionMode.values())
1427	>	{
1428	>	final CFException ex = new CFException();
1429	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1430	>	final IncFunction[] rs = new IncFunction[4];
1431	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1432	>
1433	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1434	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1435	>	assertTrue(f.completeExceptionally(ex));
1436	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1437	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1438	>
1439	>	checkCompletedWithWrappedException(h0, ex);
1440	>	checkCompletedWithWrappedException(h1, ex);
1441	>	checkCompletedWithWrappedException(h2, ex);
1442	>	checkCompletedWithWrappedException(h3, ex);
1443	>	checkCompletedExceptionally(f, ex);
1444	>	for (IncFunction r : rs) r.assertNotInvoked();
1445	>	}}
1446
1447		/**
1448	<	* thenApply result completes exceptionally if action does
1448	>	* thenApply result completes exceptionally if source cancelled
1449		*/
1450	<	public void testThenApply3() {
1451	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1452	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1453	<	f.complete(one);
1454	<	checkCompletedWithWrappedCFException(g);
1455	<	}
1450	>	public void testThenApply_sourceCancelled() {
1451	>	for (ExecutionMode m : ExecutionMode.values())
1452	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1453	>	{
1454	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1455	>	final IncFunction[] rs = new IncFunction[4];
1456	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1457	>
1458	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1459	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1460	>	assertTrue(f.cancel(mayInterruptIfRunning));
1461	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1462	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1463	>
1464	>	checkCompletedWithWrappedCancellationException(h0);
1465	>	checkCompletedWithWrappedCancellationException(h1);
1466	>	checkCompletedWithWrappedCancellationException(h2);
1467	>	checkCompletedWithWrappedCancellationException(h3);
1468	>	checkCancelled(f);
1469	>	for (IncFunction r : rs) r.assertNotInvoked();
1470	>	}}
1471
1472		/**
1473	<	* thenApply result completes exceptionally if source cancelled
1473	>	* thenApply result completes exceptionally if action does
1474		*/
1475	<	public void testThenApply4() {
1476	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1477	<	CompletableFuture<Integer> g = f.thenApply(inc);
1478	<	assertTrue(f.cancel(true));
1479	<	checkCompletedWithWrappedCancellationException(g);
1480	<	}
1475	>	public void testThenApply_actionFailed() {
1476	>	for (ExecutionMode m : ExecutionMode.values())
1477	>	for (Integer v1 : new Integer[] { 1, null })
1478	>	{
1479	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1480	>	final FailingFunction[] rs = new FailingFunction[4];
1481	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1482	>
1483	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1484	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1485	>	assertTrue(f.complete(v1));
1486	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1487	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1488	>
1489	>	checkCompletedWithWrappedCFException(h0);
1490	>	checkCompletedWithWrappedCFException(h1);
1491	>	checkCompletedWithWrappedCFException(h2);
1492	>	checkCompletedWithWrappedCFException(h3);
1493	>	checkCompletedNormally(f, v1);
1494	>	}}
1495
1496		/**
1497		* thenAccept result completes normally after normal completion of source
1498		*/
1499	<	public void testThenAccept() {
1500	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1501	<	IncAction r = new IncAction();
1502	<	CompletableFuture<Void> g = f.thenAccept(r);
1503	<	f.complete(one);
1504	<	checkCompletedNormally(g, null);
1505	<	assertEquals(r.value, 2);
1506	<	}
1499	>	public void testThenAccept_normalCompletion() {
1500	>	for (ExecutionMode m : ExecutionMode.values())
1501	>	for (Integer v1 : new Integer[] { 1, null })
1502	>	{
1503	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1504	>	final NoopConsumer[] rs = new NoopConsumer[4];
1505	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1506	>
1507	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1508	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1509	>	checkIncomplete(h0);
1510	>	checkIncomplete(h1);
1511	>	assertTrue(f.complete(v1));
1512	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1513	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1514	>
1515	>	checkCompletedNormally(h0, null);
1516	>	checkCompletedNormally(h1, null);
1517	>	checkCompletedNormally(h2, null);
1518	>	checkCompletedNormally(h3, null);
1519	>	checkCompletedNormally(f, v1);
1520	>	for (NoopConsumer r : rs) r.assertValue(v1);
1521	>	}}
1522
1523		/**
1524		* thenAccept result completes exceptionally after exceptional
1525		* completion of source
1526		*/
1527	<	public void testThenAccept2() {
1528	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1529	<	IncAction r = new IncAction();
1530	<	CompletableFuture<Void> g = f.thenAccept(r);
1531	<	f.completeExceptionally(new CFException());
1532	<	checkCompletedWithWrappedCFException(g);
1533	<	}
1527	>	public void testThenAccept_exceptionalCompletion() {
1528	>	for (ExecutionMode m : ExecutionMode.values())
1529	>	{
1530	>	final CFException ex = new CFException();
1531	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1532	>	final NoopConsumer[] rs = new NoopConsumer[4];
1533	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1534	>
1535	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1536	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1537	>	assertTrue(f.completeExceptionally(ex));
1538	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1539	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1540	>
1541	>	checkCompletedWithWrappedException(h0, ex);
1542	>	checkCompletedWithWrappedException(h1, ex);
1543	>	checkCompletedWithWrappedException(h2, ex);
1544	>	checkCompletedWithWrappedException(h3, ex);
1545	>	checkCompletedExceptionally(f, ex);
1546	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1547	>	}}
1548
1549		/**
1550	<	* thenAccept result completes exceptionally if action does
1550	>	* thenAccept result completes exceptionally if source cancelled
1551		*/
1552	<	public void testThenAccept3() {
1553	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1554	<	FailingConsumer r = new FailingConsumer();
1555	<	CompletableFuture<Void> g = f.thenAccept(r);
1556	<	f.complete(one);
1557	<	checkCompletedWithWrappedCFException(g);
1558	<	assertTrue(r.ran);
1559	<	}
1552	>	public void testThenAccept_sourceCancelled() {
1553	>	for (ExecutionMode m : ExecutionMode.values())
1554	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1555	>	{
1556	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1557	>	final NoopConsumer[] rs = new NoopConsumer[4];
1558	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1559	>
1560	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1561	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1562	>	assertTrue(f.cancel(mayInterruptIfRunning));
1563	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1564	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1565	>
1566	>	checkCompletedWithWrappedCancellationException(h0);
1567	>	checkCompletedWithWrappedCancellationException(h1);
1568	>	checkCompletedWithWrappedCancellationException(h2);
1569	>	checkCompletedWithWrappedCancellationException(h3);
1570	>	checkCancelled(f);
1571	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1572	>	}}
1573
1574		/**
1575	<	* thenAccept result completes exceptionally if source cancelled
1575	>	* thenAccept result completes exceptionally if action does
1576		*/
1577	<	public void testThenAccept4() {
1578	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1579	<	IncAction r = new IncAction();
1580	<	CompletableFuture<Void> g = f.thenAccept(r);
1581	<	assertTrue(f.cancel(true));
1582	<	checkCompletedWithWrappedCancellationException(g);
1583	<	}
1577	>	public void testThenAccept_actionFailed() {
1578	>	for (ExecutionMode m : ExecutionMode.values())
1579	>	for (Integer v1 : new Integer[] { 1, null })
1580	>	{
1581	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1582	>	final FailingConsumer[] rs = new FailingConsumer[4];
1583	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1584	>
1585	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1586	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1587	>	assertTrue(f.complete(v1));
1588	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1589	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1590	>
1591	>	checkCompletedWithWrappedCFException(h0);
1592	>	checkCompletedWithWrappedCFException(h1);
1593	>	checkCompletedWithWrappedCFException(h2);
1594	>	checkCompletedWithWrappedCFException(h3);
1595	>	checkCompletedNormally(f, v1);
1596	>	}}
1597
1598		/**
1599		* thenCombine result completes normally after normal completion
1600		* of sources
1601		*/
1602	<	public void testThenCombine() {
1603	<	CompletableFuture<Integer> f, g, h;
1604	<
1605	<	f = new CompletableFuture<>();
1606	<	g = new CompletableFuture<>();
1607	<	h = f.thenCombine(g, subtract);
1608	<	f.complete(3);
1609	<	checkIncomplete(h);
1610	<	g.complete(1);
1611	<	checkCompletedNormally(h, 2);
1612	<
1613	<	f = new CompletableFuture<>();
1614	<	g = new CompletableFuture<>();
1615	<	h = f.thenCombine(g, subtract);
1616	<	g.complete(1);
1617	<	checkIncomplete(h);
1618	<	f.complete(3);
1619	<	checkCompletedNormally(h, 2);
1620	<
1621	<	f = new CompletableFuture<>();
1622	<	g = new CompletableFuture<>();
1623	<	g.complete(1);
1624	<	f.complete(3);
1625	<	h = f.thenCombine(g, subtract);
1626	<	checkCompletedNormally(h, 2);
1627	<	}
1602	>	public void testThenCombine_normalCompletion() {
1603	>	for (ExecutionMode m : ExecutionMode.values())
1604	>	for (boolean fFirst : new boolean[] { true, false })
1605	>	for (Integer v1 : new Integer[] { 1, null })
1606	>	for (Integer v2 : new Integer[] { 2, null })
1607	>	{
1608	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1609	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1610	>	final SubtractFunction[] rs = new SubtractFunction[6];
1611	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1612	>
1613	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1614	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1615	>	final Integer w1 =  fFirst ? v1 : v2;
1616	>	final Integer w2 = !fFirst ? v1 : v2;
1617	>
1618	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1619	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1620	>	assertTrue(fst.complete(w1));
1621	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1622	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1623	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1624	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1625	>	checkCompletedNormally(h1, subtract(w1, w1));
1626	>	checkCompletedNormally(h3, subtract(w1, w1));
1627	>	rs[1].assertValue(subtract(w1, w1));
1628	>	rs[3].assertValue(subtract(w1, w1));
1629	>	assertTrue(snd.complete(w2));
1630	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1631	>
1632	>	checkCompletedNormally(h0, subtract(v1, v2));
1633	>	checkCompletedNormally(h2, subtract(v1, v2));
1634	>	checkCompletedNormally(h4, subtract(v1, v2));
1635	>	rs[0].assertValue(subtract(v1, v2));
1636	>	rs[2].assertValue(subtract(v1, v2));
1637	>	rs[4].assertValue(subtract(v1, v2));
1638	>
1639	>	checkCompletedNormally(f, v1);
1640	>	checkCompletedNormally(g, v2);
1641	>	}}
1642
1643		/**
1644		* thenCombine result completes exceptionally after exceptional
1645		* completion of either source
1646		*/
1647	<	public void testThenCombine2() {
1648	<	CompletableFuture<Integer> f, g, h;
1649	<
1650	<	f = new CompletableFuture<>();
1651	<	g = new CompletableFuture<>();
1652	<	h = f.thenCombine(g, subtract);
1653	<	f.completeExceptionally(new CFException());
1654	<	checkIncomplete(h);
1655	<	g.complete(1);
1656	<	checkCompletedWithWrappedCFException(h);
1657	<
1658	<	f = new CompletableFuture<>();
1659	<	g = new CompletableFuture<>();
1660	<	h = f.thenCombine(g, subtract);
1661	<	g.completeExceptionally(new CFException());
1662	<	checkIncomplete(h);
1663	<	f.complete(3);
1664	<	checkCompletedWithWrappedCFException(h);
1665	<
1666	<	f = new CompletableFuture<>();
1667	<	g = new CompletableFuture<>();
1668	<	f.complete(3);
1669	<	g.completeExceptionally(new CFException());
1670	<	h = f.thenCombine(g, subtract);
1671	<	checkCompletedWithWrappedCFException(h);
1672	<
1673	<	f = new CompletableFuture<>();
1674	<	g = new CompletableFuture<>();
1675	<	f.completeExceptionally(new CFException());
1676	<	g.complete(3);
1677	<	h = f.thenCombine(g, subtract);
1678	<	checkCompletedWithWrappedCFException(h);
1679	<	}
1647	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1648	>	for (ExecutionMode m : ExecutionMode.values())
1649	>	for (boolean fFirst : new boolean[] { true, false })
1650	>	for (boolean failFirst : new boolean[] { true, false })
1651	>	for (Integer v1 : new Integer[] { 1, null })
1652	>	{
1653	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1654	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1655	>	final CFException ex = new CFException();
1656	>	final SubtractFunction r1 = new SubtractFunction(m);
1657	>	final SubtractFunction r2 = new SubtractFunction(m);
1658	>	final SubtractFunction r3 = new SubtractFunction(m);
1659	>
1660	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1661	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1662	>	final Callable<Boolean> complete1 = failFirst ?
1663	>	() -> fst.completeExceptionally(ex) :
1664	>	() -> fst.complete(v1);
1665	>	final Callable<Boolean> complete2 = failFirst ?
1666	>	() -> snd.complete(v1) :
1667	>	() -> snd.completeExceptionally(ex);
1668	>
1669	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1670	>	assertTrue(complete1.call());
1671	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1672	>	checkIncomplete(h1);
1673	>	checkIncomplete(h2);
1674	>	assertTrue(complete2.call());
1675	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1676	>
1677	>	checkCompletedWithWrappedException(h1, ex);
1678	>	checkCompletedWithWrappedException(h2, ex);
1679	>	checkCompletedWithWrappedException(h3, ex);
1680	>	r1.assertNotInvoked();
1681	>	r2.assertNotInvoked();
1682	>	r3.assertNotInvoked();
1683	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1684	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1685	>	}}
1686
1687		/**
1688	<	* thenCombine result completes exceptionally if action does
1688	>	* thenCombine result completes exceptionally if either source cancelled
1689		*/
1690	<	public void testThenCombine3() {
1691	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1692	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1693	<	FailingBiFunction r = new FailingBiFunction();
1694	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
1695	<	f.complete(one);
1696	<	checkIncomplete(g);
1697	<	assertFalse(r.ran);
1698	<	f2.complete(two);
1699	<	checkCompletedWithWrappedCFException(g);
1700	<	assertTrue(r.ran);
1701	<	}
1690	>	public void testThenCombine_sourceCancelled() throws Throwable {
1691	>	for (ExecutionMode m : ExecutionMode.values())
1692	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1693	>	for (boolean fFirst : new boolean[] { true, false })
1694	>	for (boolean failFirst : new boolean[] { true, false })
1695	>	for (Integer v1 : new Integer[] { 1, null })
1696	>	{
1697	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1698	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1699	>	final SubtractFunction r1 = new SubtractFunction(m);
1700	>	final SubtractFunction r2 = new SubtractFunction(m);
1701	>	final SubtractFunction r3 = new SubtractFunction(m);
1702	>
1703	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1704	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1705	>	final Callable<Boolean> complete1 = failFirst ?
1706	>	() -> fst.cancel(mayInterruptIfRunning) :
1707	>	() -> fst.complete(v1);
1708	>	final Callable<Boolean> complete2 = failFirst ?
1709	>	() -> snd.complete(v1) :
1710	>	() -> snd.cancel(mayInterruptIfRunning);
1711	>
1712	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1713	>	assertTrue(complete1.call());
1714	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1715	>	checkIncomplete(h1);
1716	>	checkIncomplete(h2);
1717	>	assertTrue(complete2.call());
1718	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1719	>
1720	>	checkCompletedWithWrappedCancellationException(h1);
1721	>	checkCompletedWithWrappedCancellationException(h2);
1722	>	checkCompletedWithWrappedCancellationException(h3);
1723	>	r1.assertNotInvoked();
1724	>	r2.assertNotInvoked();
1725	>	r3.assertNotInvoked();
1726	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1727	>	checkCancelled(failFirst ? fst : snd);
1728	>	}}
1729
1730		/**
1731	<	* thenCombine result completes exceptionally if either source cancelled
1731	>	* thenCombine result completes exceptionally if action does
1732		*/
1733	<	public void testThenCombine4() {
1734	<	CompletableFuture<Integer> f, g, h;
1735	<
1736	<	f = new CompletableFuture<>();
1737	<	g = new CompletableFuture<>();
1738	<	h = f.thenCombine(g, subtract);
1739	<	assertTrue(f.cancel(true));
1740	<	checkIncomplete(h);
1741	<	g.complete(1);
1742	<	checkCompletedWithWrappedCancellationException(h);
1743	<
1744	<	f = new CompletableFuture<>();
1745	<	g = new CompletableFuture<>();
1746	<	h = f.thenCombine(g, subtract);
1747	<	assertTrue(g.cancel(true));
1748	<	checkIncomplete(h);
1749	<	f.complete(3);
1750	<	checkCompletedWithWrappedCancellationException(h);
1751	<
1752	<	f = new CompletableFuture<>();
1753	<	g = new CompletableFuture<>();
1754	<	assertTrue(f.cancel(true));
1755	<	assertTrue(g.cancel(true));
1756	<	h = f.thenCombine(g, subtract);
1757	<	checkCompletedWithWrappedCancellationException(h);
1758	<	}
1733	>	public void testThenCombine_actionFailed() {
1734	>	for (ExecutionMode m : ExecutionMode.values())
1735	>	for (boolean fFirst : new boolean[] { true, false })
1736	>	for (Integer v1 : new Integer[] { 1, null })
1737	>	for (Integer v2 : new Integer[] { 2, null })
1738	>	{
1739	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1740	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1741	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1742	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1743	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1744	>
1745	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1746	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1747	>	final Integer w1 =  fFirst ? v1 : v2;
1748	>	final Integer w2 = !fFirst ? v1 : v2;
1749	>
1750	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1751	>	assertTrue(fst.complete(w1));
1752	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1753	>	assertTrue(snd.complete(w2));
1754	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1755	>
1756	>	checkCompletedWithWrappedCFException(h1);
1757	>	checkCompletedWithWrappedCFException(h2);
1758	>	checkCompletedWithWrappedCFException(h3);
1759	>	r1.assertInvoked();
1760	>	r2.assertInvoked();
1761	>	r3.assertInvoked();
1762	>	checkCompletedNormally(f, v1);
1763	>	checkCompletedNormally(g, v2);
1764	>	}}
1765
1766		/**
1767		* thenAcceptBoth result completes normally after normal
1768		* completion of sources
1769		*/
1770	<	public void testThenAcceptBoth() {
1771	<	CompletableFuture<Integer> f, g;
1772	<	CompletableFuture<Void> h;
1773	<	SubtractAction r;
1774	<
1775	<	f = new CompletableFuture<>();
1776	<	g = new CompletableFuture<>();
1777	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1778	<	f.complete(3);
1779	<	checkIncomplete(h);
1780	<	g.complete(1);
1781	<	checkCompletedNormally(h, null);
1782	<	assertEquals(r.value, 2);
1783	<
1784	<	f = new CompletableFuture<>();
1785	<	g = new CompletableFuture<>();
1786	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1787	<	g.complete(1);
1788	<	checkIncomplete(h);
1789	<	f.complete(3);
1790	<	checkCompletedNormally(h, null);
1791	<	assertEquals(r.value, 2);
1792	<
1793	<	f = new CompletableFuture<>();
1794	<	g = new CompletableFuture<>();
1795	<	g.complete(1);
1796	<	f.complete(3);
1797	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1798	<	checkCompletedNormally(h, null);
1799	<	assertEquals(r.value, 2);
1800	<	}
1770	>	public void testThenAcceptBoth_normalCompletion() {
1771	>	for (ExecutionMode m : ExecutionMode.values())
1772	>	for (boolean fFirst : new boolean[] { true, false })
1773	>	for (Integer v1 : new Integer[] { 1, null })
1774	>	for (Integer v2 : new Integer[] { 2, null })
1775	>	{
1776	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1777	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1778	>	final SubtractAction r1 = new SubtractAction(m);
1779	>	final SubtractAction r2 = new SubtractAction(m);
1780	>	final SubtractAction r3 = new SubtractAction(m);
1781	>
1782	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1783	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1784	>	final Integer w1 =  fFirst ? v1 : v2;
1785	>	final Integer w2 = !fFirst ? v1 : v2;
1786	>
1787	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1788	>	assertTrue(fst.complete(w1));
1789	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1790	>	checkIncomplete(h1);
1791	>	checkIncomplete(h2);
1792	>	r1.assertNotInvoked();
1793	>	r2.assertNotInvoked();
1794	>	assertTrue(snd.complete(w2));
1795	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1796	>
1797	>	checkCompletedNormally(h1, null);
1798	>	checkCompletedNormally(h2, null);
1799	>	checkCompletedNormally(h3, null);
1800	>	r1.assertValue(subtract(v1, v2));
1801	>	r2.assertValue(subtract(v1, v2));
1802	>	r3.assertValue(subtract(v1, v2));
1803	>	checkCompletedNormally(f, v1);
1804	>	checkCompletedNormally(g, v2);
1805	>	}}
1806
1807		/**
1808		* thenAcceptBoth result completes exceptionally after exceptional
1809		* completion of either source
1810		*/
1811	<	public void testThenAcceptBoth2() {
1812	<	CompletableFuture<Integer> f, g;
1813	<	CompletableFuture<Void> h;
1814	<	SubtractAction r;
1815	<
1816	<	f = new CompletableFuture<>();
1817	<	g = new CompletableFuture<>();
1818	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1819	<	f.completeExceptionally(new CFException());
1820	<	checkIncomplete(h);
1821	<	g.complete(1);
1822	<	checkCompletedWithWrappedCFException(h);
1823	<
1824	<	f = new CompletableFuture<>();
1825	<	g = new CompletableFuture<>();
1826	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1827	<	g.completeExceptionally(new CFException());
1828	<	checkIncomplete(h);
1829	<	f.complete(3);
1830	<	checkCompletedWithWrappedCFException(h);
1831	<
1832	<	f = new CompletableFuture<>();
1833	<	g = new CompletableFuture<>();
1834	<	f.complete(3);
1835	<	g.completeExceptionally(new CFException());
1836	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1837	<	checkCompletedWithWrappedCFException(h);
1838	<
1839	<	f = new CompletableFuture<>();
1840	<	g = new CompletableFuture<>();
1841	<	f.completeExceptionally(new CFException());
1842	<	g.complete(3);
1843	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1844	<	checkCompletedWithWrappedCFException(h);
1845	<	}
1811	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1812	>	for (ExecutionMode m : ExecutionMode.values())
1813	>	for (boolean fFirst : new boolean[] { true, false })
1814	>	for (boolean failFirst : new boolean[] { true, false })
1815	>	for (Integer v1 : new Integer[] { 1, null })
1816	>	{
1817	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1818	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1819	>	final CFException ex = new CFException();
1820	>	final SubtractAction r1 = new SubtractAction(m);
1821	>	final SubtractAction r2 = new SubtractAction(m);
1822	>	final SubtractAction r3 = new SubtractAction(m);
1823	>
1824	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1825	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1826	>	final Callable<Boolean> complete1 = failFirst ?
1827	>	() -> fst.completeExceptionally(ex) :
1828	>	() -> fst.complete(v1);
1829	>	final Callable<Boolean> complete2 = failFirst ?
1830	>	() -> snd.complete(v1) :
1831	>	() -> snd.completeExceptionally(ex);
1832	>
1833	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1834	>	assertTrue(complete1.call());
1835	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1836	>	checkIncomplete(h1);
1837	>	checkIncomplete(h2);
1838	>	assertTrue(complete2.call());
1839	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1840	>
1841	>	checkCompletedWithWrappedException(h1, ex);
1842	>	checkCompletedWithWrappedException(h2, ex);
1843	>	checkCompletedWithWrappedException(h3, ex);
1844	>	r1.assertNotInvoked();
1845	>	r2.assertNotInvoked();
1846	>	r3.assertNotInvoked();
1847	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1848	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1849	>	}}
1850
1851		/**
1852	<	* thenAcceptBoth result completes exceptionally if action does
1852	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1853		*/
1854	<	public void testThenAcceptBoth3() {
1855	<	CompletableFuture<Integer> f, g;
1856	<	CompletableFuture<Void> h;
1857	<	FailingBiConsumer r;
1858	<
1859	<	f = new CompletableFuture<>();
1860	<	g = new CompletableFuture<>();
1861	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1862	<	f.complete(3);
1863	<	checkIncomplete(h);
1864	<	g.complete(1);
1865	<	checkCompletedWithWrappedCFException(h);
1866	<
1867	<	f = new CompletableFuture<>();
1868	<	g = new CompletableFuture<>();
1869	<	f.complete(3);
1870	<	g.complete(1);
1871	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1872	<	checkCompletedWithWrappedCFException(h);
1873	<	}
1854	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1855	>	for (ExecutionMode m : ExecutionMode.values())
1856	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1857	>	for (boolean fFirst : new boolean[] { true, false })
1858	>	for (boolean failFirst : new boolean[] { true, false })
1859	>	for (Integer v1 : new Integer[] { 1, null })
1860	>	{
1861	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1862	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1863	>	final SubtractAction r1 = new SubtractAction(m);
1864	>	final SubtractAction r2 = new SubtractAction(m);
1865	>	final SubtractAction r3 = new SubtractAction(m);
1866	>
1867	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1868	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1869	>	final Callable<Boolean> complete1 = failFirst ?
1870	>	() -> fst.cancel(mayInterruptIfRunning) :
1871	>	() -> fst.complete(v1);
1872	>	final Callable<Boolean> complete2 = failFirst ?
1873	>	() -> snd.complete(v1) :
1874	>	() -> snd.cancel(mayInterruptIfRunning);
1875	>
1876	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1877	>	assertTrue(complete1.call());
1878	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1879	>	checkIncomplete(h1);
1880	>	checkIncomplete(h2);
1881	>	assertTrue(complete2.call());
1882	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1883	>
1884	>	checkCompletedWithWrappedCancellationException(h1);
1885	>	checkCompletedWithWrappedCancellationException(h2);
1886	>	checkCompletedWithWrappedCancellationException(h3);
1887	>	r1.assertNotInvoked();
1888	>	r2.assertNotInvoked();
1889	>	r3.assertNotInvoked();
1890	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1891	>	checkCancelled(failFirst ? fst : snd);
1892	>	}}
1893
1894		/**
1895	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1895	>	* thenAcceptBoth result completes exceptionally if action does
1896		*/
1897	<	public void testThenAcceptBoth4() {
1898	<	CompletableFuture<Integer> f, g;
1899	<	CompletableFuture<Void> h;
1900	<	SubtractAction r;
1901	<
1902	<	f = new CompletableFuture<>();
1903	<	g = new CompletableFuture<>();
1904	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1905	<	assertTrue(f.cancel(true));
1906	<	checkIncomplete(h);
1907	<	g.complete(1);
1908	<	checkCompletedWithWrappedCancellationException(h);
1909	<
1910	<	f = new CompletableFuture<>();
1911	<	g = new CompletableFuture<>();
1912	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1913	<	assertTrue(g.cancel(true));
1914	<	checkIncomplete(h);
1915	<	f.complete(3);
1916	<	checkCompletedWithWrappedCancellationException(h);
1917	<
1918	<	f = new CompletableFuture<>();
1919	<	g = new CompletableFuture<>();
1920	<	f.complete(3);
1921	<	assertTrue(g.cancel(true));
1922	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1923	<	checkCompletedWithWrappedCancellationException(h);
1924	<
1925	<	f = new CompletableFuture<>();
1926	<	g = new CompletableFuture<>();
1927	<	assertTrue(f.cancel(true));
1928	<	g.complete(3);
914	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
915	<	checkCompletedWithWrappedCancellationException(h);
916	<	}
1897	>	public void testThenAcceptBoth_actionFailed() {
1898	>	for (ExecutionMode m : ExecutionMode.values())
1899	>	for (boolean fFirst : new boolean[] { true, false })
1900	>	for (Integer v1 : new Integer[] { 1, null })
1901	>	for (Integer v2 : new Integer[] { 2, null })
1902	>	{
1903	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1904	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1905	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1906	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1907	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1908	>
1909	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1910	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1911	>	final Integer w1 =  fFirst ? v1 : v2;
1912	>	final Integer w2 = !fFirst ? v1 : v2;
1913	>
1914	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1915	>	assertTrue(fst.complete(w1));
1916	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1917	>	assertTrue(snd.complete(w2));
1918	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1919	>
1920	>	checkCompletedWithWrappedCFException(h1);
1921	>	checkCompletedWithWrappedCFException(h2);
1922	>	checkCompletedWithWrappedCFException(h3);
1923	>	r1.assertInvoked();
1924	>	r2.assertInvoked();
1925	>	r3.assertInvoked();
1926	>	checkCompletedNormally(f, v1);
1927	>	checkCompletedNormally(g, v2);
1928	>	}}
1929
1930		/**
1931		* runAfterBoth result completes normally after normal
1932		* completion of sources
1933		*/
1934	<	public void testRunAfterBoth() {
1935	<	CompletableFuture<Integer> f, g;
1936	<	CompletableFuture<Void> h;
1937	<	Noop r;
1938	<
1939	<	f = new CompletableFuture<>();
1940	<	g = new CompletableFuture<>();
1941	<	h = f.runAfterBoth(g, r = new Noop());
1942	<	f.complete(3);
1943	<	checkIncomplete(h);
1944	<	g.complete(1);
1945	<	checkCompletedNormally(h, null);
1946	<	assertTrue(r.ran);
1947	<
1948	<	f = new CompletableFuture<>();
1949	<	g = new CompletableFuture<>();
1950	<	h = f.runAfterBoth(g, r = new Noop());
1951	<	g.complete(1);
1952	<	checkIncomplete(h);
1953	<	f.complete(3);
1954	<	checkCompletedNormally(h, null);
1955	<	assertTrue(r.ran);
1956	<
1957	<	f = new CompletableFuture<>();
1958	<	g = new CompletableFuture<>();
1959	<	g.complete(1);
1960	<	f.complete(3);
1961	<	h = f.runAfterBoth(g, r = new Noop());
1962	<	checkCompletedNormally(h, null);
1963	<	assertTrue(r.ran);
1964	<	}
1934	>	public void testRunAfterBoth_normalCompletion() {
1935	>	for (ExecutionMode m : ExecutionMode.values())
1936	>	for (boolean fFirst : new boolean[] { true, false })
1937	>	for (Integer v1 : new Integer[] { 1, null })
1938	>	for (Integer v2 : new Integer[] { 2, null })
1939	>	{
1940	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1941	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1942	>	final Noop r1 = new Noop(m);
1943	>	final Noop r2 = new Noop(m);
1944	>	final Noop r3 = new Noop(m);
1945	>
1946	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1947	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1948	>	final Integer w1 =  fFirst ? v1 : v2;
1949	>	final Integer w2 = !fFirst ? v1 : v2;
1950	>
1951	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1952	>	assertTrue(fst.complete(w1));
1953	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1954	>	checkIncomplete(h1);
1955	>	checkIncomplete(h2);
1956	>	r1.assertNotInvoked();
1957	>	r2.assertNotInvoked();
1958	>	assertTrue(snd.complete(w2));
1959	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1960	>
1961	>	checkCompletedNormally(h1, null);
1962	>	checkCompletedNormally(h2, null);
1963	>	checkCompletedNormally(h3, null);
1964	>	r1.assertInvoked();
1965	>	r2.assertInvoked();
1966	>	r3.assertInvoked();
1967	>	checkCompletedNormally(f, v1);
1968	>	checkCompletedNormally(g, v2);
1969	>	}}
1970
1971		/**
1972		* runAfterBoth result completes exceptionally after exceptional
1973		* completion of either source
1974		*/
1975	<	public void testRunAfterBoth2() {
1976	<	CompletableFuture<Integer> f, g;
1977	<	CompletableFuture<Void> h;
1978	<	Noop r;
1979	<
1980	<	f = new CompletableFuture<>();
1981	<	g = new CompletableFuture<>();
1982	<	h = f.runAfterBoth(g, r = new Noop());
1983	<	f.completeExceptionally(new CFException());
1984	<	checkIncomplete(h);
1985	<	g.complete(1);
1986	<	checkCompletedWithWrappedCFException(h);
1987	<	assertFalse(r.ran);
1988	<
1989	<	f = new CompletableFuture<>();
1990	<	g = new CompletableFuture<>();
1991	<	h = f.runAfterBoth(g, r = new Noop());
1992	<	g.completeExceptionally(new CFException());
1993	<	checkIncomplete(h);
1994	<	f.complete(3);
1995	<	checkCompletedWithWrappedCFException(h);
1996	<	assertFalse(r.ran);
1997	<
1998	<	f = new CompletableFuture<>();
1999	<	g = new CompletableFuture<>();
2000	<	g.completeExceptionally(new CFException());
2001	<	f.complete(3);
2002	<	h = f.runAfterBoth(g, r = new Noop());
2003	<	checkCompletedWithWrappedCFException(h);
2004	<	assertFalse(r.ran);
2005	<
2006	<	f = new CompletableFuture<>();
2007	<	g = new CompletableFuture<>();
2008	<	f.completeExceptionally(new CFException());
2009	<	g.complete(1);
2010	<	h = f.runAfterBoth(g, r = new Noop());
2011	<	checkCompletedWithWrappedCFException(h);
2012	<	assertFalse(r.ran);
2013	<	}
1975	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1976	>	for (ExecutionMode m : ExecutionMode.values())
1977	>	for (boolean fFirst : new boolean[] { true, false })
1978	>	for (boolean failFirst : new boolean[] { true, false })
1979	>	for (Integer v1 : new Integer[] { 1, null })
1980	>	{
1981	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1982	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1983	>	final CFException ex = new CFException();
1984	>	final Noop r1 = new Noop(m);
1985	>	final Noop r2 = new Noop(m);
1986	>	final Noop r3 = new Noop(m);
1987	>
1988	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1989	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1990	>	final Callable<Boolean> complete1 = failFirst ?
1991	>	() -> fst.completeExceptionally(ex) :
1992	>	() -> fst.complete(v1);
1993	>	final Callable<Boolean> complete2 = failFirst ?
1994	>	() -> snd.complete(v1) :
1995	>	() -> snd.completeExceptionally(ex);
1996	>
1997	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1998	>	assertTrue(complete1.call());
1999	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2000	>	checkIncomplete(h1);
2001	>	checkIncomplete(h2);
2002	>	assertTrue(complete2.call());
2003	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2004	>
2005	>	checkCompletedWithWrappedException(h1, ex);
2006	>	checkCompletedWithWrappedException(h2, ex);
2007	>	checkCompletedWithWrappedException(h3, ex);
2008	>	r1.assertNotInvoked();
2009	>	r2.assertNotInvoked();
2010	>	r3.assertNotInvoked();
2011	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2012	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2013	>	}}
2014
2015		/**
2016	<	* runAfterBoth result completes exceptionally if action does
2016	>	* runAfterBoth result completes exceptionally if either source cancelled
2017		*/
2018	<	public void testRunAfterBoth3() {
2019	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2020	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2021	<	FailingNoop r = new FailingNoop();
2022	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2023	<	f.complete(one);
2024	<	checkIncomplete(g);
2025	<	f2.complete(two);
2026	<	checkCompletedWithWrappedCFException(g);
2027	<	}
2018	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2019	>	for (ExecutionMode m : ExecutionMode.values())
2020	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2021	>	for (boolean fFirst : new boolean[] { true, false })
2022	>	for (boolean failFirst : new boolean[] { true, false })
2023	>	for (Integer v1 : new Integer[] { 1, null })
2024	>	{
2025	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2026	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2027	>	final Noop r1 = new Noop(m);
2028	>	final Noop r2 = new Noop(m);
2029	>	final Noop r3 = new Noop(m);
2030	>
2031	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2032	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2033	>	final Callable<Boolean> complete1 = failFirst ?
2034	>	() -> fst.cancel(mayInterruptIfRunning) :
2035	>	() -> fst.complete(v1);
2036	>	final Callable<Boolean> complete2 = failFirst ?
2037	>	() -> snd.complete(v1) :
2038	>	() -> snd.cancel(mayInterruptIfRunning);
2039	>
2040	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2041	>	assertTrue(complete1.call());
2042	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2043	>	checkIncomplete(h1);
2044	>	checkIncomplete(h2);
2045	>	assertTrue(complete2.call());
2046	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2047	>
2048	>	checkCompletedWithWrappedCancellationException(h1);
2049	>	checkCompletedWithWrappedCancellationException(h2);
2050	>	checkCompletedWithWrappedCancellationException(h3);
2051	>	r1.assertNotInvoked();
2052	>	r2.assertNotInvoked();
2053	>	r3.assertNotInvoked();
2054	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2055	>	checkCancelled(failFirst ? fst : snd);
2056	>	}}
2057
2058		/**
2059	<	* runAfterBoth result completes exceptionally if either source cancelled
2059	>	* runAfterBoth result completes exceptionally if action does
2060		*/
2061	<	public void testRunAfterBoth4() {
2062	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2063	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2064	<	Noop r = new Noop();
2065	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2066	<	assertTrue(f.cancel(true));
2067	<	f2.complete(two);
2068	<	checkCompletedWithWrappedCancellationException(g);
2069	<	f = new CompletableFuture<>();
2070	<	f2 = new CompletableFuture<>();
2071	<	r = new Noop();
2072	<	g = f.runAfterBoth(f2, r);
2073	<	f.complete(one);
2074	<	assertTrue(f2.cancel(true));
2075	<	checkCompletedWithWrappedCancellationException(g);
2076	<	}
2061	>	public void testRunAfterBoth_actionFailed() {
2062	>	for (ExecutionMode m : ExecutionMode.values())
2063	>	for (boolean fFirst : new boolean[] { true, false })
2064	>	for (Integer v1 : new Integer[] { 1, null })
2065	>	for (Integer v2 : new Integer[] { 2, null })
2066	>	{
2067	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2068	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2069	>	final FailingRunnable r1 = new FailingRunnable(m);
2070	>	final FailingRunnable r2 = new FailingRunnable(m);
2071	>	final FailingRunnable r3 = new FailingRunnable(m);
2072	>
2073	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2074	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2075	>	final Integer w1 =  fFirst ? v1 : v2;
2076	>	final Integer w2 = !fFirst ? v1 : v2;
2077	>
2078	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2079	>	assertTrue(fst.complete(w1));
2080	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2081	>	assertTrue(snd.complete(w2));
2082	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2083	>
2084	>	checkCompletedWithWrappedCFException(h1);
2085	>	checkCompletedWithWrappedCFException(h2);
2086	>	checkCompletedWithWrappedCFException(h3);
2087	>	r1.assertInvoked();
2088	>	r2.assertInvoked();
2089	>	r3.assertInvoked();
2090	>	checkCompletedNormally(f, v1);
2091	>	checkCompletedNormally(g, v2);
2092	>	}}
2093
2094		/**
2095		* applyToEither result completes normally after normal completion
2096		* of either source
2097		*/
2098	<	public void testApplyToEither() {
2099	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2100	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2101	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2102	<	f.complete(one);
2103	<	checkCompletedNormally(g, two);
2104	<	f2.complete(one);
2105	<	checkCompletedNormally(g, two);
2106	<
2107	<	f = new CompletableFuture<>();
2108	<	f.complete(one);
2109	<	f2 = new CompletableFuture<>();
2110	<	g = f.applyToEither(f2, inc);
2111	<	checkCompletedNormally(g, two);
2112	<	}
2098	>	public void testApplyToEither_normalCompletion() {
2099	>	for (ExecutionMode m : ExecutionMode.values())
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 IncFunction[] rs = new IncFunction[6];
2106	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2107	>
2108	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2109	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2110	>	checkIncomplete(h0);
2111	>	checkIncomplete(h1);
2112	>	rs[0].assertNotInvoked();
2113	>	rs[1].assertNotInvoked();
2114	>	f.complete(v1);
2115	>	checkCompletedNormally(h0, inc(v1));
2116	>	checkCompletedNormally(h1, inc(v1));
2117	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2118	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2119	>	checkCompletedNormally(h2, inc(v1));
2120	>	checkCompletedNormally(h3, inc(v1));
2121	>	g.complete(v2);
2122	>
2123	>	// unspecified behavior - both source completions available
2124	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2125	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2126	>	rs[4].assertValue(h4.join());
2127	>	rs[5].assertValue(h5.join());
2128	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2129	>	Objects.equals(inc(v2), h4.join()));
2130	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2131	>	Objects.equals(inc(v2), h5.join()));
2132	>
2133	>	checkCompletedNormally(f, v1);
2134	>	checkCompletedNormally(g, v2);
2135	>	checkCompletedNormally(h0, inc(v1));
2136	>	checkCompletedNormally(h1, inc(v1));
2137	>	checkCompletedNormally(h2, inc(v1));
2138	>	checkCompletedNormally(h3, inc(v1));
2139	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2140	>	}}
2141
2142		/**
2143		* applyToEither result completes exceptionally after exceptional
2144		* completion of either source
2145		*/
2146	<	public void testApplyToEither2() {
2147	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2148	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2149	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2150	<	f.completeExceptionally(new CFException());
2151	<	f2.complete(one);
2152	<	checkCompletedWithWrappedCFException(g);
2146	>	public void testApplyToEither_exceptionalCompletion() {
2147	>	for (ExecutionMode m : ExecutionMode.values())
2148	>	for (Integer v1 : new Integer[] { 1, null })
2149	>	{
2150	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2151	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2152	>	final CFException ex = new CFException();
2153	>	final IncFunction[] rs = new IncFunction[6];
2154	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2155	>
2156	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2157	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2158	>	checkIncomplete(h0);
2159	>	checkIncomplete(h1);
2160	>	rs[0].assertNotInvoked();
2161	>	rs[1].assertNotInvoked();
2162	>	f.completeExceptionally(ex);
2163	>	checkCompletedWithWrappedException(h0, ex);
2164	>	checkCompletedWithWrappedException(h1, ex);
2165	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2166	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2167	>	checkCompletedWithWrappedException(h2, ex);
2168	>	checkCompletedWithWrappedException(h3, ex);
2169	>	g.complete(v1);
2170	>
2171	>	// unspecified behavior - both source completions available
2172	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2173	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2174	>	try {
2175	>	assertEquals(inc(v1), h4.join());
2176	>	rs[4].assertValue(inc(v1));
2177	>	} catch (CompletionException ok) {
2178	>	checkCompletedWithWrappedException(h4, ex);
2179	>	rs[4].assertNotInvoked();
2180	>	}
2181	>	try {
2182	>	assertEquals(inc(v1), h5.join());
2183	>	rs[5].assertValue(inc(v1));
2184	>	} catch (CompletionException ok) {
2185	>	checkCompletedWithWrappedException(h5, ex);
2186	>	rs[5].assertNotInvoked();
2187	>	}
2188
2189	<	f = new CompletableFuture<>();
2190	<	f2 = new CompletableFuture<>();
2191	<	f2.completeExceptionally(new CFException());
2192	<	g = f.applyToEither(f2, inc);
2193	<	checkCompletedWithWrappedCFException(g);
2194	<	}
2189	>	checkCompletedExceptionally(f, ex);
2190	>	checkCompletedNormally(g, v1);
2191	>	checkCompletedWithWrappedException(h0, ex);
2192	>	checkCompletedWithWrappedException(h1, ex);
2193	>	checkCompletedWithWrappedException(h2, ex);
2194	>	checkCompletedWithWrappedException(h3, ex);
2195	>	checkCompletedWithWrappedException(h4, ex);
2196	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2197	>	}}
2198	>
2199	>	public void testApplyToEither_exceptionalCompletion2() {
2200	>	for (ExecutionMode m : ExecutionMode.values())
2201	>	for (boolean fFirst : new boolean[] { true, false })
2202	>	for (Integer v1 : new Integer[] { 1, null })
2203	>	{
2204	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2205	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2206	>	final CFException ex = new CFException();
2207	>	final IncFunction[] rs = new IncFunction[6];
2208	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2209	>
2210	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2211	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2212	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2213	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2214	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2215	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2216
2217	<	/**
2218	<	* applyToEither result completes exceptionally if action does
2219	<	*/
2220	<	public void testApplyToEither3() {
2221	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2222	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2223	<	FailingFunction r = new FailingFunction();
2224	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
2225	<	f2.complete(two);
2226	<	checkCompletedWithWrappedCFException(g);
2227	<	}
2217	>	// unspecified behavior - both source completions available
2218	>	try {
2219	>	assertEquals(inc(v1), h0.join());
2220	>	rs[0].assertValue(inc(v1));
2221	>	} catch (CompletionException ok) {
2222	>	checkCompletedWithWrappedException(h0, ex);
2223	>	rs[0].assertNotInvoked();
2224	>	}
2225	>	try {
2226	>	assertEquals(inc(v1), h1.join());
2227	>	rs[1].assertValue(inc(v1));
2228	>	} catch (CompletionException ok) {
2229	>	checkCompletedWithWrappedException(h1, ex);
2230	>	rs[1].assertNotInvoked();
2231	>	}
2232	>	try {
2233	>	assertEquals(inc(v1), h2.join());
2234	>	rs[2].assertValue(inc(v1));
2235	>	} catch (CompletionException ok) {
2236	>	checkCompletedWithWrappedException(h2, ex);
2237	>	rs[2].assertNotInvoked();
2238	>	}
2239	>	try {
2240	>	assertEquals(inc(v1), h3.join());
2241	>	rs[3].assertValue(inc(v1));
2242	>	} catch (CompletionException ok) {
2243	>	checkCompletedWithWrappedException(h3, ex);
2244	>	rs[3].assertNotInvoked();
2245	>	}
2246
2247	<	/**
2248	<	* applyToEither result completes exceptionally if either source cancelled
2249	<	*/
1086	<	public void testApplyToEither4() {
1087	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1088	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1089	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1090	<	assertTrue(f.cancel(true));
1091	<	checkCompletedWithWrappedCancellationException(g);
1092	<	f = new CompletableFuture<>();
1093	<	f2 = new CompletableFuture<>();
1094	<	assertTrue(f2.cancel(true));
1095	<	checkCompletedWithWrappedCancellationException(g);
1096	<	}
2247	>	checkCompletedNormally(f, v1);
2248	>	checkCompletedExceptionally(g, ex);
2249	>	}}
2250
2251		/**
2252	<	* acceptEither result completes normally after normal completion
1100	<	* of either source
2252	>	* applyToEither result completes exceptionally if either source cancelled
2253		*/
2254	<	public void testAcceptEither() {
2255	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2256	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2257	<	IncAction r = new IncAction();
2258	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2259	<	f.complete(one);
2260	<	checkCompletedNormally(g, null);
2261	<	f2.complete(one);
2262	<	checkCompletedNormally(g, null);
2263	<	assertEquals(r.value, 2);
2264	<
2265	<	r = new IncAction();
2266	<	f = new CompletableFuture<>();
2267	<	f.complete(one);
2268	<	f2 = new CompletableFuture<>();
2269	<	g = f.acceptEither(f2, r);
2270	<	checkCompletedNormally(g, null);
2271	<	assertEquals(r.value, 2);
2272	<	}
2254	>	public void testApplyToEither_sourceCancelled() {
2255	>	for (ExecutionMode m : ExecutionMode.values())
2256	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2257	>	for (Integer v1 : new Integer[] { 1, null })
2258	>	{
2259	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2260	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2261	>	final IncFunction[] rs = new IncFunction[6];
2262	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2263	>
2264	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2265	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2266	>	checkIncomplete(h0);
2267	>	checkIncomplete(h1);
2268	>	rs[0].assertNotInvoked();
2269	>	rs[1].assertNotInvoked();
2270	>	f.cancel(mayInterruptIfRunning);
2271	>	checkCompletedWithWrappedCancellationException(h0);
2272	>	checkCompletedWithWrappedCancellationException(h1);
2273	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2274	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2275	>	checkCompletedWithWrappedCancellationException(h2);
2276	>	checkCompletedWithWrappedCancellationException(h3);
2277	>	g.complete(v1);
2278	>
2279	>	// unspecified behavior - both source completions available
2280	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2281	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2282	>	try {
2283	>	assertEquals(inc(v1), h4.join());
2284	>	rs[4].assertValue(inc(v1));
2285	>	} catch (CompletionException ok) {
2286	>	checkCompletedWithWrappedCancellationException(h4);
2287	>	rs[4].assertNotInvoked();
2288	>	}
2289	>	try {
2290	>	assertEquals(inc(v1), h5.join());
2291	>	rs[5].assertValue(inc(v1));
2292	>	} catch (CompletionException ok) {
2293	>	checkCompletedWithWrappedCancellationException(h5);
2294	>	rs[5].assertNotInvoked();
2295	>	}
2296
2297	<	/**
2298	<	* acceptEither result completes exceptionally after exceptional
2299	<	* completion of either source
2300	<	*/
2301	<	public void testAcceptEither2() {
2302	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2303	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2304	<	IncAction r = new IncAction();
2305	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2306	<	f.completeExceptionally(new CFException());
2307	<	f2.complete(one);
2308	<	checkCompletedWithWrappedCFException(g);
2297	>	checkCancelled(f);
2298	>	checkCompletedNormally(g, v1);
2299	>	checkCompletedWithWrappedCancellationException(h0);
2300	>	checkCompletedWithWrappedCancellationException(h1);
2301	>	checkCompletedWithWrappedCancellationException(h2);
2302	>	checkCompletedWithWrappedCancellationException(h3);
2303	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2304	>	}}
2305	>
2306	>	public void testApplyToEither_sourceCancelled2() {
2307	>	for (ExecutionMode m : ExecutionMode.values())
2308	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2309	>	for (boolean fFirst : new boolean[] { true, false })
2310	>	for (Integer v1 : new Integer[] { 1, null })
2311	>	{
2312	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2313	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2314	>	final IncFunction[] rs = new IncFunction[6];
2315	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2316	>
2317	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2318	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2319	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2320	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2321	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2322	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2323
2324	<	r = new IncAction();
2325	<	f = new CompletableFuture<>();
2326	<	f2 = new CompletableFuture<>();
2327	<	f2.completeExceptionally(new CFException());
2328	<	g = f.acceptEither(f2, r);
2329	<	checkCompletedWithWrappedCFException(g);
2330	<	}
2324	>	// unspecified behavior - both source completions available
2325	>	try {
2326	>	assertEquals(inc(v1), h0.join());
2327	>	rs[0].assertValue(inc(v1));
2328	>	} catch (CompletionException ok) {
2329	>	checkCompletedWithWrappedCancellationException(h0);
2330	>	rs[0].assertNotInvoked();
2331	>	}
2332	>	try {
2333	>	assertEquals(inc(v1), h1.join());
2334	>	rs[1].assertValue(inc(v1));
2335	>	} catch (CompletionException ok) {
2336	>	checkCompletedWithWrappedCancellationException(h1);
2337	>	rs[1].assertNotInvoked();
2338	>	}
2339	>	try {
2340	>	assertEquals(inc(v1), h2.join());
2341	>	rs[2].assertValue(inc(v1));
2342	>	} catch (CompletionException ok) {
2343	>	checkCompletedWithWrappedCancellationException(h2);
2344	>	rs[2].assertNotInvoked();
2345	>	}
2346	>	try {
2347	>	assertEquals(inc(v1), h3.join());
2348	>	rs[3].assertValue(inc(v1));
2349	>	} catch (CompletionException ok) {
2350	>	checkCompletedWithWrappedCancellationException(h3);
2351	>	rs[3].assertNotInvoked();
2352	>	}
2353
2354	<	/**
2355	<	* acceptEither result completes exceptionally if action does
2356	<	*/
1146	<	public void testAcceptEither3() {
1147	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1148	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1149	<	FailingConsumer r = new FailingConsumer();
1150	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1151	<	f2.complete(two);
1152	<	checkCompletedWithWrappedCFException(g);
1153	<	}
2354	>	checkCompletedNormally(f, v1);
2355	>	checkCancelled(g);
2356	>	}}
2357
2358		/**
2359	<	* acceptEither result completes exceptionally if either source cancelled
2359	>	* applyToEither result completes exceptionally if action does
2360		*/
2361	<	public void testAcceptEither4() {
2362	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2363	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2364	<	IncAction r = new IncAction();
2365	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2366	<	assertTrue(f.cancel(true));
2367	<	checkCompletedWithWrappedCancellationException(g);
2368	<	f = new CompletableFuture<>();
2369	<	f2 = new CompletableFuture<>();
2370	<	assertTrue(f2.cancel(true));
2371	<	checkCompletedWithWrappedCancellationException(g);
2372	<	}
2361	>	public void testApplyToEither_actionFailed() {
2362	>	for (ExecutionMode m : ExecutionMode.values())
2363	>	for (Integer v1 : new Integer[] { 1, null })
2364	>	for (Integer v2 : new Integer[] { 2, null })
2365	>	{
2366	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2367	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2368	>	final FailingFunction[] rs = new FailingFunction[6];
2369	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2370	>
2371	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2372	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2373	>	f.complete(v1);
2374	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2375	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2376	>	checkCompletedWithWrappedCFException(h0);
2377	>	checkCompletedWithWrappedCFException(h1);
2378	>	checkCompletedWithWrappedCFException(h2);
2379	>	checkCompletedWithWrappedCFException(h3);
2380	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2381	>
2382	>	g.complete(v2);
2383	>
2384	>	// unspecified behavior - both source completions available
2385	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2386	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2387	>
2388	>	checkCompletedWithWrappedCFException(h4);
2389	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2390	>	Objects.equals(v2, rs[4].value));
2391	>	checkCompletedWithWrappedCFException(h5);
2392	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2393	>	Objects.equals(v2, rs[5].value));
2394	>
2395	>	checkCompletedNormally(f, v1);
2396	>	checkCompletedNormally(g, v2);
2397	>	}}
2398
2399		/**
2400	<	* runAfterEither result completes normally after normal completion
2400	>	* acceptEither result completes normally after normal completion
2401		* of either source
2402		*/
2403	<	public void testRunAfterEither() {
2404	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2405	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2406	<	Noop r = new Noop();
2407	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2408	<	f.complete(one);
2409	<	checkCompletedNormally(g, null);
2410	<	f2.complete(one);
2411	<	checkCompletedNormally(g, null);
2412	<	assertTrue(r.ran);
2413	<
2414	<	r = new Noop();
2415	<	f = new CompletableFuture<>();
2416	<	f.complete(one);
2417	<	f2 = new CompletableFuture<>();
2418	<	g = f.runAfterEither(f2, r);
2419	<	checkCompletedNormally(g, null);
2420	<	assertTrue(r.ran);
2421	<	}
2403	>	public void testAcceptEither_normalCompletion() {
2404	>	for (ExecutionMode m : ExecutionMode.values())
2405	>	for (Integer v1 : new Integer[] { 1, null })
2406	>	for (Integer v2 : new Integer[] { 2, null })
2407	>	{
2408	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2409	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2410	>	final NoopConsumer[] rs = new NoopConsumer[6];
2411	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2412	>
2413	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2414	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2415	>	checkIncomplete(h0);
2416	>	checkIncomplete(h1);
2417	>	rs[0].assertNotInvoked();
2418	>	rs[1].assertNotInvoked();
2419	>	f.complete(v1);
2420	>	checkCompletedNormally(h0, null);
2421	>	checkCompletedNormally(h1, null);
2422	>	rs[0].assertValue(v1);
2423	>	rs[1].assertValue(v1);
2424	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2425	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2426	>	checkCompletedNormally(h2, null);
2427	>	checkCompletedNormally(h3, null);
2428	>	rs[2].assertValue(v1);
2429	>	rs[3].assertValue(v1);
2430	>	g.complete(v2);
2431	>
2432	>	// unspecified behavior - both source completions available
2433	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2434	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2435	>	checkCompletedNormally(h4, null);
2436	>	checkCompletedNormally(h5, null);
2437	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2438	>	Objects.equals(v2, rs[4].value));
2439	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2440	>	Objects.equals(v2, rs[5].value));
2441	>
2442	>	checkCompletedNormally(f, v1);
2443	>	checkCompletedNormally(g, v2);
2444	>	checkCompletedNormally(h0, null);
2445	>	checkCompletedNormally(h1, null);
2446	>	checkCompletedNormally(h2, null);
2447	>	checkCompletedNormally(h3, null);
2448	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2449	>	}}
2450
2451		/**
2452	<	* runAfterEither result completes exceptionally after exceptional
2452	>	* acceptEither result completes exceptionally after exceptional
2453		* completion of either source
2454		*/
2455	<	public void testRunAfterEither2() {
2456	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2457	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2458	<	Noop r = new Noop();
2459	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2460	<	f.completeExceptionally(new CFException());
2461	<	f2.complete(one);
2462	<	checkCompletedWithWrappedCFException(g);
2455	>	public void testAcceptEither_exceptionalCompletion() {
2456	>	for (ExecutionMode m : ExecutionMode.values())
2457	>	for (Integer v1 : new Integer[] { 1, null })
2458	>	{
2459	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2460	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2461	>	final CFException ex = new CFException();
2462	>	final NoopConsumer[] rs = new NoopConsumer[6];
2463	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2464	>
2465	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2466	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2467	>	checkIncomplete(h0);
2468	>	checkIncomplete(h1);
2469	>	rs[0].assertNotInvoked();
2470	>	rs[1].assertNotInvoked();
2471	>	f.completeExceptionally(ex);
2472	>	checkCompletedWithWrappedException(h0, ex);
2473	>	checkCompletedWithWrappedException(h1, ex);
2474	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2475	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2476	>	checkCompletedWithWrappedException(h2, ex);
2477	>	checkCompletedWithWrappedException(h3, ex);
2478	>
2479	>	g.complete(v1);
2480	>
2481	>	// unspecified behavior - both source completions available
2482	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2483	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2484	>	try {
2485	>	assertNull(h4.join());
2486	>	rs[4].assertValue(v1);
2487	>	} catch (CompletionException ok) {
2488	>	checkCompletedWithWrappedException(h4, ex);
2489	>	rs[4].assertNotInvoked();
2490	>	}
2491	>	try {
2492	>	assertNull(h5.join());
2493	>	rs[5].assertValue(v1);
2494	>	} catch (CompletionException ok) {
2495	>	checkCompletedWithWrappedException(h5, ex);
2496	>	rs[5].assertNotInvoked();
2497	>	}
2498
2499	<	r = new Noop();
2500	<	f = new CompletableFuture<>();
2501	<	f2 = new CompletableFuture<>();
2502	<	f2.completeExceptionally(new CFException());
2503	<	g = f.runAfterEither(f2, r);
2504	<	checkCompletedWithWrappedCFException(g);
2505	<	}
2499	>	checkCompletedExceptionally(f, ex);
2500	>	checkCompletedNormally(g, v1);
2501	>	checkCompletedWithWrappedException(h0, ex);
2502	>	checkCompletedWithWrappedException(h1, ex);
2503	>	checkCompletedWithWrappedException(h2, ex);
2504	>	checkCompletedWithWrappedException(h3, ex);
2505	>	checkCompletedWithWrappedException(h4, ex);
2506	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2507	>	}}
2508	>
2509	>	public void testAcceptEither_exceptionalCompletion2() {
2510	>	for (ExecutionMode m : ExecutionMode.values())
2511	>	for (boolean fFirst : new boolean[] { true, false })
2512	>	for (Integer v1 : new Integer[] { 1, null })
2513	>	{
2514	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2515	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2516	>	final CFException ex = new CFException();
2517	>	final NoopConsumer[] rs = new NoopConsumer[6];
2518	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2519	>
2520	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2521	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2522	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2523	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2524	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2525	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2526
2527	<	/**
2528	<	* runAfterEither result completes exceptionally if action does
2529	<	*/
2530	<	public void testRunAfterEither3() {
2531	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2532	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2533	<	FailingNoop r = new FailingNoop();
2534	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2535	<	f2.complete(two);
2536	<	checkCompletedWithWrappedCFException(g);
2537	<	}
2527	>	// unspecified behavior - both source completions available
2528	>	try {
2529	>	assertEquals(null, h0.join());
2530	>	rs[0].assertValue(v1);
2531	>	} catch (CompletionException ok) {
2532	>	checkCompletedWithWrappedException(h0, ex);
2533	>	rs[0].assertNotInvoked();
2534	>	}
2535	>	try {
2536	>	assertEquals(null, h1.join());
2537	>	rs[1].assertValue(v1);
2538	>	} catch (CompletionException ok) {
2539	>	checkCompletedWithWrappedException(h1, ex);
2540	>	rs[1].assertNotInvoked();
2541	>	}
2542	>	try {
2543	>	assertEquals(null, h2.join());
2544	>	rs[2].assertValue(v1);
2545	>	} catch (CompletionException ok) {
2546	>	checkCompletedWithWrappedException(h2, ex);
2547	>	rs[2].assertNotInvoked();
2548	>	}
2549	>	try {
2550	>	assertEquals(null, h3.join());
2551	>	rs[3].assertValue(v1);
2552	>	} catch (CompletionException ok) {
2553	>	checkCompletedWithWrappedException(h3, ex);
2554	>	rs[3].assertNotInvoked();
2555	>	}
2556
2557	<	/**
2558	<	* runAfterEither result completes exceptionally if either source cancelled
2559	<	*/
1231	<	public void testRunAfterEither4() {
1232	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1233	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1234	<	Noop r = new Noop();
1235	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1236	<	assertTrue(f.cancel(true));
1237	<	checkCompletedWithWrappedCancellationException(g);
1238	<	f = new CompletableFuture<>();
1239	<	f2 = new CompletableFuture<>();
1240	<	assertTrue(f2.cancel(true));
1241	<	checkCompletedWithWrappedCancellationException(g);
1242	<	}
2557	>	checkCompletedNormally(f, v1);
2558	>	checkCompletedExceptionally(g, ex);
2559	>	}}
2560
2561		/**
2562	<	* thenCompose result completes normally after normal completion of source
2562	>	* acceptEither result completes exceptionally if either source cancelled
2563		*/
2564	<	public void testThenCompose() {
2565	<	CompletableFuture<Integer> f, g;
2566	<	CompletableFutureInc r;
2567	<
2568	<	f = new CompletableFuture<>();
2569	<	g = f.thenCompose(r = new CompletableFutureInc());
2570	<	f.complete(one);
2571	<	checkCompletedNormally(g, two);
2572	<	assertTrue(r.ran);
2564	>	public void testAcceptEither_sourceCancelled() {
2565	>	for (ExecutionMode m : ExecutionMode.values())
2566	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2567	>	for (Integer v1 : new Integer[] { 1, null })
2568	>	{
2569	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2570	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2571	>	final NoopConsumer[] rs = new NoopConsumer[6];
2572	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2573	>
2574	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2575	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2576	>	checkIncomplete(h0);
2577	>	checkIncomplete(h1);
2578	>	rs[0].assertNotInvoked();
2579	>	rs[1].assertNotInvoked();
2580	>	f.cancel(mayInterruptIfRunning);
2581	>	checkCompletedWithWrappedCancellationException(h0);
2582	>	checkCompletedWithWrappedCancellationException(h1);
2583	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2584	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2585	>	checkCompletedWithWrappedCancellationException(h2);
2586	>	checkCompletedWithWrappedCancellationException(h3);
2587	>
2588	>	g.complete(v1);
2589	>
2590	>	// unspecified behavior - both source completions available
2591	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2592	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2593	>	try {
2594	>	assertNull(h4.join());
2595	>	rs[4].assertValue(v1);
2596	>	} catch (CompletionException ok) {
2597	>	checkCompletedWithWrappedCancellationException(h4);
2598	>	rs[4].assertNotInvoked();
2599	>	}
2600	>	try {
2601	>	assertNull(h5.join());
2602	>	rs[5].assertValue(v1);
2603	>	} catch (CompletionException ok) {
2604	>	checkCompletedWithWrappedCancellationException(h5);
2605	>	rs[5].assertNotInvoked();
2606	>	}
2607
2608	<	f = new CompletableFuture<>();
2609	<	f.complete(one);
2610	<	g = f.thenCompose(r = new CompletableFutureInc());
2611	<	checkCompletedNormally(g, two);
2612	<	assertTrue(r.ran);
2613	<	}
2608	>	checkCancelled(f);
2609	>	checkCompletedNormally(g, v1);
2610	>	checkCompletedWithWrappedCancellationException(h0);
2611	>	checkCompletedWithWrappedCancellationException(h1);
2612	>	checkCompletedWithWrappedCancellationException(h2);
2613	>	checkCompletedWithWrappedCancellationException(h3);
2614	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2615	>	}}
2616
2617		/**
2618	<	* thenCompose result completes exceptionally after exceptional
1266	<	* completion of source
2618	>	* acceptEither result completes exceptionally if action does
2619		*/
2620	<	public void testThenCompose2() {
2621	<	CompletableFuture<Integer> f, g;
2622	<	CompletableFutureInc r;
2623	<
2624	<	f = new CompletableFuture<>();
2625	<	g = f.thenCompose(r = new CompletableFutureInc());
2626	<	f.completeExceptionally(new CFException());
2627	<	checkCompletedWithWrappedCFException(g);
2628	<
2629	<	f = new CompletableFuture<>();
2630	<	f.completeExceptionally(new CFException());
2631	<	g = f.thenCompose(r = new CompletableFutureInc());
2632	<	checkCompletedWithWrappedCFException(g);
2633	<	}
2620	>	public void testAcceptEither_actionFailed() {
2621	>	for (ExecutionMode m : ExecutionMode.values())
2622	>	for (Integer v1 : new Integer[] { 1, null })
2623	>	for (Integer v2 : new Integer[] { 2, null })
2624	>	{
2625	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2626	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2627	>	final FailingConsumer[] rs = new FailingConsumer[6];
2628	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2629	>
2630	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2631	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2632	>	f.complete(v1);
2633	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2634	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2635	>	checkCompletedWithWrappedCFException(h0);
2636	>	checkCompletedWithWrappedCFException(h1);
2637	>	checkCompletedWithWrappedCFException(h2);
2638	>	checkCompletedWithWrappedCFException(h3);
2639	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2640	>
2641	>	g.complete(v2);
2642	>
2643	>	// unspecified behavior - both source completions available
2644	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2645	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2646	>
2647	>	checkCompletedWithWrappedCFException(h4);
2648	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2649	>	Objects.equals(v2, rs[4].value));
2650	>	checkCompletedWithWrappedCFException(h5);
2651	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2652	>	Objects.equals(v2, rs[5].value));
2653	>
2654	>	checkCompletedNormally(f, v1);
2655	>	checkCompletedNormally(g, v2);
2656	>	}}
2657
2658		/**
2659	<	* thenCompose result completes exceptionally if action does
2659	>	* runAfterEither result completes normally after normal completion
2660	>	* of either source
2661		*/
2662	<	public void testThenCompose3() {
2663	<	CompletableFuture<Integer> f, g;
2664	<	FailingCompletableFutureFunction r;
2665	<
2666	<	f = new CompletableFuture<>();
2667	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2668	<	f.complete(one);
2669	<	checkCompletedWithWrappedCFException(g);
2670	<
2671	<	f = new CompletableFuture<>();
2672	<	f.complete(one);
2673	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2674	<	checkCompletedWithWrappedCFException(g);
2675	<	}
2662	>	public void testRunAfterEither_normalCompletion() {
2663	>	for (ExecutionMode m : ExecutionMode.values())
2664	>	for (Integer v1 : new Integer[] { 1, null })
2665	>	for (Integer v2 : new Integer[] { 2, null })
2666	>	{
2667	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2668	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2669	>	final Noop[] rs = new Noop[6];
2670	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2671	>
2672	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2673	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2674	>	checkIncomplete(h0);
2675	>	checkIncomplete(h1);
2676	>	rs[0].assertNotInvoked();
2677	>	rs[1].assertNotInvoked();
2678	>	f.complete(v1);
2679	>	checkCompletedNormally(h0, null);
2680	>	checkCompletedNormally(h1, null);
2681	>	rs[0].assertInvoked();
2682	>	rs[1].assertInvoked();
2683	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2684	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2685	>	checkCompletedNormally(h2, null);
2686	>	checkCompletedNormally(h3, null);
2687	>	rs[2].assertInvoked();
2688	>	rs[3].assertInvoked();
2689	>
2690	>	g.complete(v2);
2691	>
2692	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2693	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2694	>
2695	>	checkCompletedNormally(f, v1);
2696	>	checkCompletedNormally(g, v2);
2697	>	checkCompletedNormally(h0, null);
2698	>	checkCompletedNormally(h1, null);
2699	>	checkCompletedNormally(h2, null);
2700	>	checkCompletedNormally(h3, null);
2701	>	checkCompletedNormally(h4, null);
2702	>	checkCompletedNormally(h5, null);
2703	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2704	>	}}
2705
2706		/**
2707	<	* thenCompose result completes exceptionally if source cancelled
2707	>	* runAfterEither result completes exceptionally after exceptional
2708	>	* completion of either source
2709		*/
2710	<	public void testThenCompose4() {
2711	<	CompletableFuture<Integer> f, g;
2712	<	CompletableFutureInc r;
2713	<
2714	<	f = new CompletableFuture<>();
2715	<	g = f.thenCompose(r = new CompletableFutureInc());
2716	<	assertTrue(f.cancel(true));
2717	<	checkCompletedWithWrappedCancellationException(g);
2718	<
2719	<	f = new CompletableFuture<>();
2720	<	assertTrue(f.cancel(true));
2721	<	g = f.thenCompose(r = new CompletableFutureInc());
2722	<	checkCompletedWithWrappedCancellationException(g);
2723	<	}
2710	>	public void testRunAfterEither_exceptionalCompletion() {
2711	>	for (ExecutionMode m : ExecutionMode.values())
2712	>	for (Integer v1 : new Integer[] { 1, null })
2713	>	{
2714	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2715	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2716	>	final CFException ex = new CFException();
2717	>	final Noop[] rs = new Noop[6];
2718	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2719	>
2720	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2721	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2722	>	checkIncomplete(h0);
2723	>	checkIncomplete(h1);
2724	>	rs[0].assertNotInvoked();
2725	>	rs[1].assertNotInvoked();
2726	>	assertTrue(f.completeExceptionally(ex));
2727	>	checkCompletedWithWrappedException(h0, ex);
2728	>	checkCompletedWithWrappedException(h1, ex);
2729	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2730	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2731	>	checkCompletedWithWrappedException(h2, ex);
2732	>	checkCompletedWithWrappedException(h3, ex);
2733	>
2734	>	assertTrue(g.complete(v1));
2735	>
2736	>	// unspecified behavior - both source completions available
2737	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2738	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2739	>	try {
2740	>	assertNull(h4.join());
2741	>	rs[4].assertInvoked();
2742	>	} catch (CompletionException ok) {
2743	>	checkCompletedWithWrappedException(h4, ex);
2744	>	rs[4].assertNotInvoked();
2745	>	}
2746	>	try {
2747	>	assertNull(h5.join());
2748	>	rs[5].assertInvoked();
2749	>	} catch (CompletionException ok) {
2750	>	checkCompletedWithWrappedException(h5, ex);
2751	>	rs[5].assertNotInvoked();
2752	>	}
2753
2754	<	// asyncs
2754	>	checkCompletedExceptionally(f, ex);
2755	>	checkCompletedNormally(g, v1);
2756	>	checkCompletedWithWrappedException(h0, ex);
2757	>	checkCompletedWithWrappedException(h1, ex);
2758	>	checkCompletedWithWrappedException(h2, ex);
2759	>	checkCompletedWithWrappedException(h3, ex);
2760	>	checkCompletedWithWrappedException(h4, ex);
2761	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2762	>	}}
2763	>
2764	>	public void testRunAfterEither_exceptionalCompletion2() {
2765	>	for (ExecutionMode m : ExecutionMode.values())
2766	>	for (boolean fFirst : new boolean[] { true, false })
2767	>	for (Integer v1 : new Integer[] { 1, null })
2768	>	{
2769	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2770	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2771	>	final CFException ex = new CFException();
2772	>	final Noop[] rs = new Noop[6];
2773	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2774	>
2775	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2776	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2777	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2778	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2779	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2780	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2781
2782	<	/**
2783	<	* thenRunAsync result completes normally after normal completion of source
2784	<	*/
2785	<	public void testThenRunAsync() {
2786	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2787	<	Noop r = new Noop();
2788	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2789	<	f.complete(null);
2790	<	checkCompletedNormally(g, null);
2782	>	// unspecified behavior - both source completions available
2783	>	try {
2784	>	assertEquals(null, h0.join());
2785	>	rs[0].assertInvoked();
2786	>	} catch (CompletionException ok) {
2787	>	checkCompletedWithWrappedException(h0, ex);
2788	>	rs[0].assertNotInvoked();
2789	>	}
2790	>	try {
2791	>	assertEquals(null, h1.join());
2792	>	rs[1].assertInvoked();
2793	>	} catch (CompletionException ok) {
2794	>	checkCompletedWithWrappedException(h1, ex);
2795	>	rs[1].assertNotInvoked();
2796	>	}
2797	>	try {
2798	>	assertEquals(null, h2.join());
2799	>	rs[2].assertInvoked();
2800	>	} catch (CompletionException ok) {
2801	>	checkCompletedWithWrappedException(h2, ex);
2802	>	rs[2].assertNotInvoked();
2803	>	}
2804	>	try {
2805	>	assertEquals(null, h3.join());
2806	>	rs[3].assertInvoked();
2807	>	} catch (CompletionException ok) {
2808	>	checkCompletedWithWrappedException(h3, ex);
2809	>	rs[3].assertNotInvoked();
2810	>	}
2811
2812	<	// reordered version
2813	<	f = new CompletableFuture<>();
2814	<	f.complete(null);
1334	<	r = new Noop();
1335	<	g = f.thenRunAsync(r);
1336	<	checkCompletedNormally(g, null);
1337	<	}
2812	>	checkCompletedNormally(f, v1);
2813	>	checkCompletedExceptionally(g, ex);
2814	>	}}
2815
2816		/**
2817	<	* thenRunAsync result completes exceptionally after exceptional
1341	<	* completion of source
2817	>	* runAfterEither result completes exceptionally if either source cancelled
2818		*/
2819	<	public void testThenRunAsync2() {
2820	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2821	<	Noop r = new Noop();
2822	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2823	<	f.completeExceptionally(new CFException());
2819	>	public void testRunAfterEither_sourceCancelled() {
2820	>	for (ExecutionMode m : ExecutionMode.values())
2821	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2822	>	for (Integer v1 : new Integer[] { 1, null })
2823	>	{
2824	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2825	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2826	>	final Noop[] rs = new Noop[6];
2827	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2828	>
2829	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2830	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2831	>	checkIncomplete(h0);
2832	>	checkIncomplete(h1);
2833	>	rs[0].assertNotInvoked();
2834	>	rs[1].assertNotInvoked();
2835	>	f.cancel(mayInterruptIfRunning);
2836	>	checkCompletedWithWrappedCancellationException(h0);
2837	>	checkCompletedWithWrappedCancellationException(h1);
2838	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2839	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2840	>	checkCompletedWithWrappedCancellationException(h2);
2841	>	checkCompletedWithWrappedCancellationException(h3);
2842	>
2843	>	assertTrue(g.complete(v1));
2844	>
2845	>	// unspecified behavior - both source completions available
2846	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2847	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2848		try {
2849	<	g.join();
2850	<	shouldThrow();
2851	<	} catch (Exception ok) {
2849	>	assertNull(h4.join());
2850	>	rs[4].assertInvoked();
2851	>	} catch (CompletionException ok) {
2852	>	checkCompletedWithWrappedCancellationException(h4);
2853	>	rs[4].assertNotInvoked();
2854	>	}
2855	>	try {
2856	>	assertNull(h5.join());
2857	>	rs[5].assertInvoked();
2858	>	} catch (CompletionException ok) {
2859	>	checkCompletedWithWrappedCancellationException(h5);
2860	>	rs[5].assertNotInvoked();
2861		}
1353	–	checkCompletedWithWrappedCFException(g);
1354	–	}
2862
2863	<	/**
2864	<	* thenRunAsync result completes exceptionally if action does
2865	<	*/
2866	<	public void testThenRunAsync3() {
2867	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2868	<	FailingNoop r = new FailingNoop();
2869	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2870	<	f.complete(null);
1364	<	checkCompletedWithWrappedCFException(g);
1365	<	}
2863	>	checkCancelled(f);
2864	>	checkCompletedNormally(g, v1);
2865	>	checkCompletedWithWrappedCancellationException(h0);
2866	>	checkCompletedWithWrappedCancellationException(h1);
2867	>	checkCompletedWithWrappedCancellationException(h2);
2868	>	checkCompletedWithWrappedCancellationException(h3);
2869	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2870	>	}}
2871
2872		/**
2873	<	* thenRunAsync result completes exceptionally if source cancelled
2873	>	* runAfterEither result completes exceptionally if action does
2874		*/
2875	<	public void testThenRunAsync4() {
2876	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2877	<	Noop r = new Noop();
2878	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2879	<	assertTrue(f.cancel(true));
2880	<	checkCompletedWithWrappedCancellationException(g);
2881	<	}
2875	>	public void testRunAfterEither_actionFailed() {
2876	>	for (ExecutionMode m : ExecutionMode.values())
2877	>	for (Integer v1 : new Integer[] { 1, null })
2878	>	for (Integer v2 : new Integer[] { 2, null })
2879	>	{
2880	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2881	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2882	>	final FailingRunnable[] rs = new FailingRunnable[6];
2883	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2884	>
2885	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2886	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2887	>	assertTrue(f.complete(v1));
2888	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2889	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2890	>	checkCompletedWithWrappedCFException(h0);
2891	>	checkCompletedWithWrappedCFException(h1);
2892	>	checkCompletedWithWrappedCFException(h2);
2893	>	checkCompletedWithWrappedCFException(h3);
2894	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2895	>	assertTrue(g.complete(v2));
2896	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2897	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2898	>	checkCompletedWithWrappedCFException(h4);
2899	>	checkCompletedWithWrappedCFException(h5);
2900	>
2901	>	checkCompletedNormally(f, v1);
2902	>	checkCompletedNormally(g, v2);
2903	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2904	>	}}
2905
2906		/**
2907	<	* thenApplyAsync result completes normally after normal completion of source
2907	>	* thenCompose result completes normally after normal completion of source
2908		*/
2909	<	public void testThenApplyAsync() {
2910	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2911	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2912	<	f.complete(one);
2913	<	checkCompletedNormally(g, two);
2914	<	}
2909	>	public void testThenCompose_normalCompletion() {
2910	>	for (ExecutionMode m : ExecutionMode.values())
2911	>	for (boolean createIncomplete : new boolean[] { true, false })
2912	>	for (Integer v1 : new Integer[] { 1, null })
2913	>	{
2914	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2915	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2916	>	if (!createIncomplete) assertTrue(f.complete(v1));
2917	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2918	>	if (createIncomplete) assertTrue(f.complete(v1));
2919	>
2920	>	checkCompletedNormally(g, inc(v1));
2921	>	checkCompletedNormally(f, v1);
2922	>	r.assertValue(v1);
2923	>	}}
2924
2925		/**
2926	<	* thenApplyAsync result completes exceptionally after exceptional
2926	>	* thenCompose result completes exceptionally after exceptional
2927		* completion of source
2928		*/
2929	<	public void testThenApplyAsync2() {
2930	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2931	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2932	<	f.completeExceptionally(new CFException());
2933	<	checkCompletedWithWrappedCFException(g);
2934	<	}
2935	<
2936	<	/**
2937	<	* thenApplyAsync result completes exceptionally if action does
2938	<	*/
2939	<	public void testThenApplyAsync3() {
2940	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2941	<	FailingFunction r = new FailingFunction();
2942	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2943	<	f.complete(null);
1407	<	checkCompletedWithWrappedCFException(g);
1408	<	}
1409	<
1410	<	/**
1411	<	* thenApplyAsync result completes exceptionally if source cancelled
1412	<	*/
1413	<	public void testThenApplyAsync4() {
1414	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1415	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1416	<	assertTrue(f.cancel(true));
1417	<	checkCompletedWithWrappedCancellationException(g);
1418	<	}
2929	>	public void testThenCompose_exceptionalCompletion() {
2930	>	for (ExecutionMode m : ExecutionMode.values())
2931	>	for (boolean createIncomplete : new boolean[] { true, false })
2932	>	{
2933	>	final CFException ex = new CFException();
2934	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2935	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2936	>	if (!createIncomplete) f.completeExceptionally(ex);
2937	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2938	>	if (createIncomplete) f.completeExceptionally(ex);
2939	>
2940	>	checkCompletedWithWrappedException(g, ex);
2941	>	checkCompletedExceptionally(f, ex);
2942	>	r.assertNotInvoked();
2943	>	}}
2944
2945		/**
2946	<	* thenAcceptAsync result completes normally after normal
1422	<	* completion of source
2946	>	* thenCompose result completes exceptionally if action does
2947		*/
2948	<	public void testThenAcceptAsync() {
2949	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2950	<	IncAction r = new IncAction();
2951	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2952	<	f.complete(one);
2953	<	checkCompletedNormally(g, null);
2954	<	assertEquals(r.value, 2);
2955	<	}
2948	>	public void testThenCompose_actionFailed() {
2949	>	for (ExecutionMode m : ExecutionMode.values())
2950	>	for (boolean createIncomplete : new boolean[] { true, false })
2951	>	for (Integer v1 : new Integer[] { 1, null })
2952	>	{
2953	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2954	>	final FailingCompletableFutureFunction r
2955	>	= new FailingCompletableFutureFunction(m);
2956	>	if (!createIncomplete) assertTrue(f.complete(v1));
2957	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2958	>	if (createIncomplete) assertTrue(f.complete(v1));
2959
1433	–	/**
1434	–	* thenAcceptAsync result completes exceptionally after exceptional
1435	–	* completion of source
1436	–	*/
1437	–	public void testThenAcceptAsync2() {
1438	–	CompletableFuture<Integer> f = new CompletableFuture<>();
1439	–	IncAction r = new IncAction();
1440	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1441	–	f.completeExceptionally(new CFException());
2960		checkCompletedWithWrappedCFException(g);
2961	<	}
2961	>	checkCompletedNormally(f, v1);
2962	>	}}
2963
2964		/**
2965	<	* thenAcceptAsync result completes exceptionally if action does
2965	>	* thenCompose result completes exceptionally if source cancelled
2966		*/
2967	<	public void testThenAcceptAsync3() {
2968	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2969	<	FailingConsumer r = new FailingConsumer();
2970	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2971	<	f.complete(null);
2972	<	checkCompletedWithWrappedCFException(g);
2973	<	}
2967	>	public void testThenCompose_sourceCancelled() {
2968	>	for (ExecutionMode m : ExecutionMode.values())
2969	>	for (boolean createIncomplete : new boolean[] { true, false })
2970	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2971	>	{
2972	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2973	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2974	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2975	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2976	>	if (createIncomplete) {
2977	>	checkIncomplete(g);
2978	>	assertTrue(f.cancel(mayInterruptIfRunning));
2979	>	}
2980
1456	–	/**
1457	–	* thenAcceptAsync result completes exceptionally if source cancelled
1458	–	*/
1459	–	public void testThenAcceptAsync4() {
1460	–	CompletableFuture<Integer> f = new CompletableFuture<>();
1461	–	IncAction r = new IncAction();
1462	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1463	–	assertTrue(f.cancel(true));
2981		checkCompletedWithWrappedCancellationException(g);
2982	<	}
2982	>	checkCancelled(f);
2983	>	}}
2984
2985		/**
2986	<	* thenCombineAsync result completes normally after normal
1469	<	* completion of sources
2986	>	* thenCompose result completes exceptionally if the result of the action does
2987		*/
2988	<	public void testThenCombineAsync() {
2989	<	CompletableFuture<Integer> f, g, h;
2990	<
2991	<	f = new CompletableFuture<>();
2992	<	g = new CompletableFuture<>();
2993	<	h = f.thenCombineAsync(g, subtract);
2994	<	f.complete(3);
2995	<	checkIncomplete(h);
2996	<	g.complete(1);
2997	<	checkCompletedNormally(h, 2);
2988	>	public void testThenCompose_actionReturnsFailingFuture() {
2989	>	for (ExecutionMode m : ExecutionMode.values())
2990	>	for (int order = 0; order < 6; order++)
2991	>	for (Integer v1 : new Integer[] { 1, null })
2992	>	{
2993	>	final CFException ex = new CFException();
2994	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2995	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2996	>	final CompletableFuture<Integer> h;
2997	>	// Test all permutations of orders
2998	>	switch (order) {
2999	>	case 0:
3000	>	assertTrue(f.complete(v1));
3001	>	assertTrue(g.completeExceptionally(ex));
3002	>	h = m.thenCompose(f, (x -> g));
3003	>	break;
3004	>	case 1:
3005	>	assertTrue(f.complete(v1));
3006	>	h = m.thenCompose(f, (x -> g));
3007	>	assertTrue(g.completeExceptionally(ex));
3008	>	break;
3009	>	case 2:
3010	>	assertTrue(g.completeExceptionally(ex));
3011	>	assertTrue(f.complete(v1));
3012	>	h = m.thenCompose(f, (x -> g));
3013	>	break;
3014	>	case 3:
3015	>	assertTrue(g.completeExceptionally(ex));
3016	>	h = m.thenCompose(f, (x -> g));
3017	>	assertTrue(f.complete(v1));
3018	>	break;
3019	>	case 4:
3020	>	h = m.thenCompose(f, (x -> g));
3021	>	assertTrue(f.complete(v1));
3022	>	assertTrue(g.completeExceptionally(ex));
3023	>	break;
3024	>	case 5:
3025	>	h = m.thenCompose(f, (x -> g));
3026	>	assertTrue(f.complete(v1));
3027	>	assertTrue(g.completeExceptionally(ex));
3028	>	break;
3029	>	default: throw new AssertionError();
3030	>	}
3031
3032	<	f = new CompletableFuture<>();
3033	<	g = new CompletableFuture<>();
3034	<	h = f.thenCombineAsync(g, subtract);
3035	<	g.complete(1);
1486	<	checkIncomplete(h);
1487	<	f.complete(3);
1488	<	checkCompletedNormally(h, 2);
3032	>	checkCompletedExceptionally(g, ex);
3033	>	checkCompletedWithWrappedException(h, ex);
3034	>	checkCompletedNormally(f, v1);
3035	>	}}
3036
3037	<	f = new CompletableFuture<>();
1491	<	g = new CompletableFuture<>();
1492	<	g.complete(1);
1493	<	f.complete(3);
1494	<	h = f.thenCombineAsync(g, subtract);
1495	<	checkCompletedNormally(h, 2);
1496	<	}
3037	>	// other static methods
3038
3039		/**
3040	<	* thenCombineAsync result completes exceptionally after exceptional
3041	<	* completion of either source
3040	>	* allOf(no component futures) returns a future completed normally
3041	>	* with the value null
3042		*/
3043	<	public void testThenCombineAsync2() {
3044	<	CompletableFuture<Integer> f, g, h;
3045	<
1505	<	f = new CompletableFuture<>();
1506	<	g = new CompletableFuture<>();
1507	<	h = f.thenCombineAsync(g, subtract);
1508	<	f.completeExceptionally(new CFException());
1509	<	checkIncomplete(h);
1510	<	g.complete(1);
1511	<	checkCompletedWithWrappedCFException(h);
1512	<
1513	<	f = new CompletableFuture<>();
1514	<	g = new CompletableFuture<>();
1515	<	h = f.thenCombineAsync(g, subtract);
1516	<	g.completeExceptionally(new CFException());
1517	<	checkIncomplete(h);
1518	<	f.complete(3);
1519	<	checkCompletedWithWrappedCFException(h);
1520	<
1521	<	f = new CompletableFuture<>();
1522	<	g = new CompletableFuture<>();
1523	<	g.completeExceptionally(new CFException());
1524	<	f.complete(3);
1525	<	h = f.thenCombineAsync(g, subtract);
1526	<	checkCompletedWithWrappedCFException(h);
3043	>	public void testAllOf_empty() throws Exception {
3044	>	CompletableFuture<Void> f = CompletableFuture.allOf();
3045	>	checkCompletedNormally(f, null);
3046		}
3047
3048		/**
3049	<	* thenCombineAsync result completes exceptionally if action does
3049	>	* allOf returns a future completed normally with the value null
3050	>	* when all components complete normally
3051		*/
3052	<	public void testThenCombineAsync3() {
3053	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3054	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3055	<	FailingBiFunction r = new FailingBiFunction();
3056	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
3057	<	f.complete(one);
3058	<	checkIncomplete(g);
3059	<	assertFalse(r.ran);
3060	<	f2.complete(two);
3061	<	checkCompletedWithWrappedCFException(g);
3062	<	assertTrue(r.ran);
3052	>	public void testAllOf_normal() throws Exception {
3053	>	for (int k = 1; k < 10; k++) {
3054	>	CompletableFuture<Integer>[] fs
3055	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3056	>	for (int i = 0; i < k; i++)
3057	>	fs[i] = new CompletableFuture<>();
3058	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3059	>	for (int i = 0; i < k; i++) {
3060	>	checkIncomplete(f);
3061	>	checkIncomplete(CompletableFuture.allOf(fs));
3062	>	fs[i].complete(one);
3063	>	}
3064	>	checkCompletedNormally(f, null);
3065	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3066	>	}
3067		}
3068
3069	<	/**
3070	<	* thenCombineAsync result completes exceptionally if either source cancelled
3071	<	*/
3072	<	public void testThenCombineAsync4() {
3073	<	CompletableFuture<Integer> f, g, h;
3074	<
3075	<	f = new CompletableFuture<>();
3076	<	g = new CompletableFuture<>();
3077	<	h = f.thenCombineAsync(g, subtract);
3078	<	assertTrue(f.cancel(true));
3079	<	checkIncomplete(h);
3080	<	g.complete(1);
3081	<	checkCompletedWithWrappedCancellationException(h);
3082	<
3083	<	f = new CompletableFuture<>();
1560	<	g = new CompletableFuture<>();
1561	<	h = f.thenCombineAsync(g, subtract);
1562	<	assertTrue(g.cancel(true));
1563	<	checkIncomplete(h);
1564	<	f.complete(3);
1565	<	checkCompletedWithWrappedCancellationException(h);
1566	<
1567	<	f = new CompletableFuture<>();
1568	<	g = new CompletableFuture<>();
1569	<	g.complete(3);
1570	<	assertTrue(f.cancel(true));
1571	<	h = f.thenCombineAsync(g, subtract);
1572	<	checkCompletedWithWrappedCancellationException(h);
1573	<
1574	<	f = new CompletableFuture<>();
1575	<	g = new CompletableFuture<>();
1576	<	f.complete(3);
1577	<	assertTrue(g.cancel(true));
1578	<	h = f.thenCombineAsync(g, subtract);
1579	<	checkCompletedWithWrappedCancellationException(h);
3069	>	public void testAllOf_backwards() throws Exception {
3070	>	for (int k = 1; k < 10; k++) {
3071	>	CompletableFuture<Integer>[] fs
3072	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3073	>	for (int i = 0; i < k; i++)
3074	>	fs[i] = new CompletableFuture<>();
3075	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3076	>	for (int i = k - 1; i >= 0; i--) {
3077	>	checkIncomplete(f);
3078	>	checkIncomplete(CompletableFuture.allOf(fs));
3079	>	fs[i].complete(one);
3080	>	}
3081	>	checkCompletedNormally(f, null);
3082	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3083	>	}
3084		}
3085
3086	<	/**
3087	<	* thenAcceptBothAsync result completes normally after normal
3088	<	* completion of sources
3089	<	*/
3090	<	public void testThenAcceptBothAsync() {
3091	<	CompletableFuture<Integer> f, g;
3092	<	CompletableFuture<Void> h;
3093	<	SubtractAction r;
3094	<
3095	<	f = new CompletableFuture<>();
3096	<	g = new CompletableFuture<>();
3097	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3098	<	f.complete(3);
3099	<	checkIncomplete(h);
3100	<	g.complete(1);
3101	<	checkCompletedNormally(h, null);
3102	<	assertEquals(r.value, 2);
3103	<
3104	<	f = new CompletableFuture<>();
3105	<	g = new CompletableFuture<>();
3106	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3107	<	g.complete(1);
1604	<	checkIncomplete(h);
1605	<	f.complete(3);
1606	<	checkCompletedNormally(h, null);
1607	<	assertEquals(r.value, 2);
1608	<
1609	<	f = new CompletableFuture<>();
1610	<	g = new CompletableFuture<>();
1611	<	g.complete(1);
1612	<	f.complete(3);
1613	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1614	<	checkCompletedNormally(h, null);
1615	<	assertEquals(r.value, 2);
3086	>	public void testAllOf_exceptional() throws Exception {
3087	>	for (int k = 1; k < 10; k++) {
3088	>	CompletableFuture<Integer>[] fs
3089	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3090	>	CFException ex = new CFException();
3091	>	for (int i = 0; i < k; i++)
3092	>	fs[i] = new CompletableFuture<>();
3093	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3094	>	for (int i = 0; i < k; i++) {
3095	>	checkIncomplete(f);
3096	>	checkIncomplete(CompletableFuture.allOf(fs));
3097	>	if (i != k / 2) {
3098	>	fs[i].complete(i);
3099	>	checkCompletedNormally(fs[i], i);
3100	>	} else {
3101	>	fs[i].completeExceptionally(ex);
3102	>	checkCompletedExceptionally(fs[i], ex);
3103	>	}
3104	>	}
3105	>	checkCompletedWithWrappedException(f, ex);
3106	>	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3107	>	}
3108		}
3109
3110		/**
3111	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1620	<	* completion of source
3111	>	* anyOf(no component futures) returns an incomplete future
3112		*/
3113	<	public void testThenAcceptBothAsync2() {
3114	<	CompletableFuture<Integer> f, g;
3115	<	CompletableFuture<Void> h;
3116	<	SubtractAction r;
3117	<
1627	<	f = new CompletableFuture<>();
1628	<	g = new CompletableFuture<>();
1629	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1630	<	f.completeExceptionally(new CFException());
1631	<	checkIncomplete(h);
1632	<	g.complete(1);
1633	<	checkCompletedWithWrappedCFException(h);
1634	<
1635	<	f = new CompletableFuture<>();
1636	<	g = new CompletableFuture<>();
1637	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1638	<	g.completeExceptionally(new CFException());
1639	<	checkIncomplete(h);
1640	<	f.complete(3);
1641	<	checkCompletedWithWrappedCFException(h);
1642	<
1643	<	f = new CompletableFuture<>();
1644	<	g = new CompletableFuture<>();
1645	<	f.complete(3);
1646	<	g.completeExceptionally(new CFException());
1647	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1648	<	checkCompletedWithWrappedCFException(h);
3113	>	public void testAnyOf_empty() throws Exception {
3114	>	for (Integer v1 : new Integer[] { 1, null })
3115	>	{
3116	>	CompletableFuture<Object> f = CompletableFuture.anyOf();
3117	>	checkIncomplete(f);
3118
3119	<	f = new CompletableFuture<>();
3120	<	g = new CompletableFuture<>();
3121	<	f.completeExceptionally(new CFException());
1653	<	g.complete(3);
1654	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1655	<	checkCompletedWithWrappedCFException(h);
1656	<	}
3119	>	f.complete(v1);
3120	>	checkCompletedNormally(f, v1);
3121	>	}}
3122
3123		/**
3124	<	* thenAcceptBothAsync result completes exceptionally if action does
3124	>	* anyOf returns a future completed normally with a value when
3125	>	* a component future does
3126		*/
3127	<	public void testThenAcceptBothAsync3() {
3128	<	CompletableFuture<Integer> f, g;
3129	<	CompletableFuture<Void> h;
3130	<	FailingBiConsumer r;
3131	<
3132	<	f = new CompletableFuture<>();
3133	<	g = new CompletableFuture<>();
3134	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
3135	<	f.complete(3);
3136	<	checkIncomplete(h);
3137	<	g.complete(1);
3138	<	checkCompletedWithWrappedCFException(h);
3139	<
3140	<	f = new CompletableFuture<>();
1675	<	g = new CompletableFuture<>();
1676	<	f.complete(3);
1677	<	g.complete(1);
1678	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1679	<	checkCompletedWithWrappedCFException(h);
3127	>	public void testAnyOf_normal() throws Exception {
3128	>	for (int k = 0; k < 10; k++) {
3129	>	CompletableFuture[] fs = new CompletableFuture[k];
3130	>	for (int i = 0; i < k; i++)
3131	>	fs[i] = new CompletableFuture<>();
3132	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3133	>	checkIncomplete(f);
3134	>	for (int i = 0; i < k; i++) {
3135	>	fs[i].complete(i);
3136	>	checkCompletedNormally(f, 0);
3137	>	int x = (int) CompletableFuture.anyOf(fs).join();
3138	>	assertTrue(0 <= x && x <= i);
3139	>	}
3140	>	}
3141		}
3142	<
3143	<	/**
3144	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
3145	<	*/
3146	<	public void testThenAcceptBothAsync4() {
3147	<	CompletableFuture<Integer> f, g;
3148	<	CompletableFuture<Void> h;
3149	<	SubtractAction r;
3150	<
3151	<	f = new CompletableFuture<>();
3152	<	g = new CompletableFuture<>();
3153	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3154	<	assertTrue(f.cancel(true));
3155	<	checkIncomplete(h);
1695	<	g.complete(1);
1696	<	checkCompletedWithWrappedCancellationException(h);
1697	<
1698	<	f = new CompletableFuture<>();
1699	<	g = new CompletableFuture<>();
1700	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1701	<	assertTrue(g.cancel(true));
1702	<	checkIncomplete(h);
1703	<	f.complete(3);
1704	<	checkCompletedWithWrappedCancellationException(h);
1705	<
1706	<	f = new CompletableFuture<>();
1707	<	g = new CompletableFuture<>();
1708	<	f.complete(3);
1709	<	assertTrue(g.cancel(true));
1710	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1711	<	checkCompletedWithWrappedCancellationException(h);
1712	<
1713	<	f = new CompletableFuture<>();
1714	<	g = new CompletableFuture<>();
1715	<	assertTrue(f.cancel(true));
1716	<	g.complete(3);
1717	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1718	<	checkCompletedWithWrappedCancellationException(h);
3142	>	public void testAnyOf_normal_backwards() throws Exception {
3143	>	for (int k = 0; k < 10; k++) {
3144	>	CompletableFuture[] fs = new CompletableFuture[k];
3145	>	for (int i = 0; i < k; i++)
3146	>	fs[i] = new CompletableFuture<>();
3147	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3148	>	checkIncomplete(f);
3149	>	for (int i = k - 1; i >= 0; i--) {
3150	>	fs[i].complete(i);
3151	>	checkCompletedNormally(f, k - 1);
3152	>	int x = (int) CompletableFuture.anyOf(fs).join();
3153	>	assertTrue(i <= x && x <= k - 1);
3154	>	}
3155	>	}
3156		}
3157
3158		/**
3159	<	* runAfterBothAsync result completes normally after normal
1723	<	* completion of sources
3159	>	* anyOf result completes exceptionally when any component does.
3160		*/
3161	<	public void testRunAfterBothAsync() {
3162	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3163	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3164	<	Noop r = new Noop();
3165	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3166	<	f.complete(one);
3167	<	checkIncomplete(g);
3168	<	f2.complete(two);
3169	<	checkCompletedNormally(g, null);
3170	<	assertTrue(r.ran);
3161	>	public void testAnyOf_exceptional() throws Exception {
3162	>	for (int k = 0; k < 10; k++) {
3163	>	CompletableFuture[] fs = new CompletableFuture[k];
3164	>	CFException[] exs = new CFException[k];
3165	>	for (int i = 0; i < k; i++) {
3166	>	fs[i] = new CompletableFuture<>();
3167	>	exs[i] = new CFException();
3168	>	}
3169	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3170	>	checkIncomplete(f);
3171	>	for (int i = 0; i < k; i++) {
3172	>	fs[i].completeExceptionally(exs[i]);
3173	>	checkCompletedWithWrappedException(f, exs[0]);
3174	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3175	>	}
3176	>	}
3177		}
3178
3179	<	/**
3180	<	* runAfterBothAsync result completes exceptionally after exceptional
3181	<	* completion of source
3182	<	*/
3183	<	public void testRunAfterBothAsync2() {
3184	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3185	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3186	<	Noop r = new Noop();
3187	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3188	<	f.completeExceptionally(new CFException());
3189	<	f2.complete(two);
3190	<	checkCompletedWithWrappedCFException(g);
3191	<
3192	<	r = new Noop();
3193	<	f = new CompletableFuture<>();
3194	<	f2 = new CompletableFuture<>();
1753	<	g = f.runAfterBothAsync(f2, r);
1754	<	f.complete(one);
1755	<	f2.completeExceptionally(new CFException());
1756	<	checkCompletedWithWrappedCFException(g);
3179	>	public void testAnyOf_exceptional_backwards() throws Exception {
3180	>	for (int k = 0; k < 10; k++) {
3181	>	CompletableFuture[] fs = new CompletableFuture[k];
3182	>	CFException[] exs = new CFException[k];
3183	>	for (int i = 0; i < k; i++) {
3184	>	fs[i] = new CompletableFuture<>();
3185	>	exs[i] = new CFException();
3186	>	}
3187	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3188	>	checkIncomplete(f);
3189	>	for (int i = k - 1; i >= 0; i--) {
3190	>	fs[i].completeExceptionally(exs[i]);
3191	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3192	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3193	>	}
3194	>	}
3195		}
3196
3197		/**
3198	<	* runAfterBothAsync result completes exceptionally if action does
3198	>	* Completion methods throw NullPointerException with null arguments
3199		*/
3200	<	public void testRunAfterBothAsync3() {
3200	>	public void testNPE() {
3201		CompletableFuture<Integer> f = new CompletableFuture<>();
3202	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3203	<	FailingNoop r = new FailingNoop();
3204	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1767	<	f.complete(one);
1768	<	checkIncomplete(g);
1769	<	f2.complete(two);
1770	<	checkCompletedWithWrappedCFException(g);
1771	<	}
3202	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3203	>	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3204	>	ThreadExecutor exec = new ThreadExecutor();
3205
3206	<	/**
3207	<	* runAfterBothAsync result completes exceptionally if either source cancelled
3208	<	*/
3209	<	public void testRunAfterBothAsync4() {
3210	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3211	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3212	<	Noop r = new Noop();
3213	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3214	<	assertTrue(f.cancel(true));
3215	<	f2.complete(two);
3216	<	checkCompletedWithWrappedCancellationException(g);
3206	>	Runnable[] throwingActions = {
3207	>	() -> CompletableFuture.supplyAsync(null),
3208	>	() -> CompletableFuture.supplyAsync(null, exec),
3209	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3210	>
3211	>	() -> CompletableFuture.runAsync(null),
3212	>	() -> CompletableFuture.runAsync(null, exec),
3213	>	() -> CompletableFuture.runAsync(() -> {}, null),
3214	>
3215	>	() -> f.completeExceptionally(null),
3216	>
3217	>	() -> f.thenApply(null),
3218	>	() -> f.thenApplyAsync(null),
3219	>	() -> f.thenApplyAsync((x) -> x, null),
3220	>	() -> f.thenApplyAsync(null, exec),
3221	>
3222	>	() -> f.thenAccept(null),
3223	>	() -> f.thenAcceptAsync(null),
3224	>	() -> f.thenAcceptAsync((x) -> {} , null),
3225	>	() -> f.thenAcceptAsync(null, exec),
3226	>
3227	>	() -> f.thenRun(null),
3228	>	() -> f.thenRunAsync(null),
3229	>	() -> f.thenRunAsync(() -> {} , null),
3230	>	() -> f.thenRunAsync(null, exec),
3231	>
3232	>	() -> f.thenCombine(g, null),
3233	>	() -> f.thenCombineAsync(g, null),
3234	>	() -> f.thenCombineAsync(g, null, exec),
3235	>	() -> f.thenCombine(nullFuture, (x, y) -> x),
3236	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3237	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3238	>	() -> f.thenCombineAsync(g, (x, y) -> x, null),
3239	>
3240	>	() -> f.thenAcceptBoth(g, null),
3241	>	() -> f.thenAcceptBothAsync(g, null),
3242	>	() -> f.thenAcceptBothAsync(g, null, exec),
3243	>	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3244	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3245	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3246	>	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3247	>
3248	>	() -> f.runAfterBoth(g, null),
3249	>	() -> f.runAfterBothAsync(g, null),
3250	>	() -> f.runAfterBothAsync(g, null, exec),
3251	>	() -> f.runAfterBoth(nullFuture, () -> {}),
3252	>	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3253	>	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3254	>	() -> f.runAfterBothAsync(g, () -> {}, null),
3255	>
3256	>	() -> f.applyToEither(g, null),
3257	>	() -> f.applyToEitherAsync(g, null),
3258	>	() -> f.applyToEitherAsync(g, null, exec),
3259	>	() -> f.applyToEither(nullFuture, (x) -> x),
3260	>	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3261	>	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3262	>	() -> f.applyToEitherAsync(g, (x) -> x, null),
3263	>
3264	>	() -> f.acceptEither(g, null),
3265	>	() -> f.acceptEitherAsync(g, null),
3266	>	() -> f.acceptEitherAsync(g, null, exec),
3267	>	() -> f.acceptEither(nullFuture, (x) -> {}),
3268	>	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3269	>	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3270	>	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3271	>
3272	>	() -> f.runAfterEither(g, null),
3273	>	() -> f.runAfterEitherAsync(g, null),
3274	>	() -> f.runAfterEitherAsync(g, null, exec),
3275	>	() -> f.runAfterEither(nullFuture, () -> {}),
3276	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3277	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3278	>	() -> f.runAfterEitherAsync(g, () -> {}, null),
3279	>
3280	>	() -> f.thenCompose(null),
3281	>	() -> f.thenComposeAsync(null),
3282	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3283	>	() -> f.thenComposeAsync(null, exec),
3284	>
3285	>	() -> f.exceptionally(null),
3286	>
3287	>	() -> f.handle(null),
3288	>
3289	>	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3290	>	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3291	>	() -> CompletableFuture.allOf(f, null),
3292	>	() -> CompletableFuture.allOf(null, f),
3293	>
3294	>	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3295	>	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3296	>	() -> CompletableFuture.anyOf(f, null),
3297	>	() -> CompletableFuture.anyOf(null, f),
3298	>
3299	>	() -> f.obtrudeException(null),
3300	>
3301	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3302	>	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3303	>	() -> CompletableFuture.delayedExecutor(1L, null),
3304
3305	<	r = new Noop();
3306	<	f = new CompletableFuture<>();
1787	<	f2 = new CompletableFuture<>();
1788	<	g = f.runAfterBothAsync(f2, r);
1789	<	f.complete(one);
1790	<	assertTrue(f2.cancel(true));
1791	<	checkCompletedWithWrappedCancellationException(g);
1792	<	}
3305	>	() -> f.orTimeout(1L, null),
3306	>	() -> f.completeOnTimeout(42, 1L, null),
3307
3308	<	/**
3309	<	* applyToEitherAsync result completes normally after normal
3310	<	* completion of sources
1797	<	*/
1798	<	public void testApplyToEitherAsync() {
1799	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1800	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1801	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1802	<	f.complete(one);
1803	<	checkCompletedNormally(g, two);
3308	>	() -> CompletableFuture.failedFuture(null),
3309	>	() -> CompletableFuture.failedStage(null),
3310	>	};
3311
3312	<	f = new CompletableFuture<>();
3313	<	f.complete(one);
1807	<	f2 = new CompletableFuture<>();
1808	<	g = f.applyToEitherAsync(f2, inc);
1809	<	checkCompletedNormally(g, two);
3312	>	assertThrows(NullPointerException.class, throwingActions);
3313	>	assertEquals(0, exec.count.get());
3314		}
3315
3316		/**
3317	<	* applyToEitherAsync result completes exceptionally after exceptional
1814	<	* completion of source
3317	>	* toCompletableFuture returns this CompletableFuture.
3318		*/
3319	<	public void testApplyToEitherAsync2() {
3319	>	public void testToCompletableFuture() {
3320		CompletableFuture<Integer> f = new CompletableFuture<>();
3321	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1819	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1820	<	f.completeExceptionally(new CFException());
1821	<	checkCompletedWithWrappedCFException(g);
1822	<
1823	<	f = new CompletableFuture<>();
1824	<	f2 = new CompletableFuture<>();
1825	<	f2.completeExceptionally(new CFException());
1826	<	g = f.applyToEitherAsync(f2, inc);
1827	<	f.complete(one);
1828	<	checkCompletedWithWrappedCFException(g);
3321	>	assertSame(f, f.toCompletableFuture());
3322		}
3323
3324	<	/**
1832	<	* applyToEitherAsync result completes exceptionally if action does
1833	<	*/
1834	<	public void testApplyToEitherAsync3() {
1835	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1836	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1837	<	FailingFunction r = new FailingFunction();
1838	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1839	<	f.complete(one);
1840	<	checkCompletedWithWrappedCFException(g);
1841	<	}
3324	>	// jdk9
3325
3326		/**
3327	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3327	>	* newIncompleteFuture returns an incomplete CompletableFuture
3328		*/
3329	<	public void testApplyToEitherAsync4() {
3329	>	public void testNewIncompleteFuture() {
3330	>	for (Integer v1 : new Integer[] { 1, null })
3331	>	{
3332		CompletableFuture<Integer> f = new CompletableFuture<>();
3333	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3334	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
3335	<	assertTrue(f.cancel(true));
3336	<	checkCompletedWithWrappedCancellationException(g);
3337	<
3338	<	f = new CompletableFuture<>();
3339	<	f2 = new CompletableFuture<>();
3340	<	assertTrue(f2.cancel(true));
3341	<	g = f.applyToEitherAsync(f2, inc);
3342	<	checkCompletedWithWrappedCancellationException(g);
1858	<	}
3333	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3334	>	checkIncomplete(f);
3335	>	checkIncomplete(g);
3336	>	f.complete(v1);
3337	>	checkCompletedNormally(f, v1);
3338	>	checkIncomplete(g);
3339	>	g.complete(v1);
3340	>	checkCompletedNormally(g, v1);
3341	>	assertSame(g.getClass(), CompletableFuture.class);
3342	>	}}
3343
3344		/**
3345	<	* acceptEitherAsync result completes normally after normal
1862	<	* completion of sources
3345	>	* completedStage returns a completed CompletionStage
3346		*/
3347	<	public void testAcceptEitherAsync() {
3348	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3349	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3350	<	IncAction r = new IncAction();
3351	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
3352	<	f.complete(one);
3353	<	checkCompletedNormally(g, null);
1871	<	assertEquals(r.value, 2);
1872	<
1873	<	r = new IncAction();
1874	<	f = new CompletableFuture<>();
1875	<	f.complete(one);
1876	<	f2 = new CompletableFuture<>();
1877	<	g = f.acceptEitherAsync(f2, r);
1878	<	checkCompletedNormally(g, null);
1879	<	assertEquals(r.value, 2);
3347	>	public void testCompletedStage() {
3348	>	AtomicInteger x = new AtomicInteger(0);
3349	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3350	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3351	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3352	>	assertEquals(x.get(), 1);
3353	>	assertNull(r.get());
3354		}
3355
3356		/**
3357	<	* acceptEitherAsync result completes exceptionally after exceptional
3358	<	* completion of source
3357	>	* defaultExecutor by default returns the commonPool if
3358	>	* it supports more than one thread.
3359		*/
3360	<	public void testAcceptEitherAsync2() {
3360	>	public void testDefaultExecutor() {
3361		CompletableFuture<Integer> f = new CompletableFuture<>();
3362	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3363	<	IncAction r = new IncAction();
3364	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
3365	<	f.completeExceptionally(new CFException());
3366	<	checkCompletedWithWrappedCFException(g);
3367	<
1894	<	r = new IncAction();
1895	<	f = new CompletableFuture<>();
1896	<	f2 = new CompletableFuture<>();
1897	<	f2.completeExceptionally(new CFException());
1898	<	g = f.acceptEitherAsync(f2, r);
1899	<	f.complete(one);
1900	<	checkCompletedWithWrappedCFException(g);
3362	>	Executor e = f.defaultExecutor();
3363	>	Executor c = ForkJoinPool.commonPool();
3364	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3365	>	assertSame(e, c);
3366	>	else
3367	>	assertNotSame(e, c);
3368		}
3369
3370		/**
3371	<	* acceptEitherAsync result completes exceptionally if action does
3371	>	* failedFuture returns a CompletableFuture completed
3372	>	* exceptionally with the given Exception
3373		*/
3374	<	public void testAcceptEitherAsync3() {
3375	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3376	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3377	<	FailingConsumer r = new FailingConsumer();
1910	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1911	<	f.complete(one);
1912	<	checkCompletedWithWrappedCFException(g);
3374	>	public void testFailedFuture() {
3375	>	CFException ex = new CFException();
3376	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3377	>	checkCompletedExceptionally(f, ex);
3378		}
3379
3380		/**
3381	<	* acceptEitherAsync result completes exceptionally if either
1917	<	* source cancelled
3381	>	* failedFuture(null) throws NPE
3382		*/
3383	<	public void testAcceptEitherAsync4() {
3384	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3385	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3386	<	IncAction r = new IncAction();
3387	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1924	<	assertTrue(f.cancel(true));
1925	<	checkCompletedWithWrappedCancellationException(g);
1926	<
1927	<	r = new IncAction();
1928	<	f = new CompletableFuture<>();
1929	<	f2 = new CompletableFuture<>();
1930	<	assertTrue(f2.cancel(true));
1931	<	g = f.acceptEitherAsync(f2, r);
1932	<	checkCompletedWithWrappedCancellationException(g);
3383	>	public void testFailedFuture_null() {
3384	>	try {
3385	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3386	>	shouldThrow();
3387	>	} catch (NullPointerException success) {}
3388		}
3389
3390		/**
3391	<	* runAfterEitherAsync result completes normally after normal
3392	<	* completion of sources
3391	>	* copy returns a CompletableFuture that is completed normally,
3392	>	* with the same value, when source is.
3393		*/
3394	<	public void testRunAfterEitherAsync() {
3394	>	public void testCopy() {
3395		CompletableFuture<Integer> f = new CompletableFuture<>();
3396	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3397	<	Noop r = new Noop();
3398	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3399	<	f.complete(one);
3400	<	checkCompletedNormally(g, null);
3401	<	assertTrue(r.ran);
1947	<
1948	<	r = new Noop();
1949	<	f = new CompletableFuture<>();
1950	<	f.complete(one);
1951	<	f2 = new CompletableFuture<>();
1952	<	g = f.runAfterEitherAsync(f2, r);
1953	<	checkCompletedNormally(g, null);
1954	<	assertTrue(r.ran);
3396	>	CompletableFuture<Integer> g = f.copy();
3397	>	checkIncomplete(f);
3398	>	checkIncomplete(g);
3399	>	f.complete(1);
3400	>	checkCompletedNormally(f, 1);
3401	>	checkCompletedNormally(g, 1);
3402		}
3403
3404		/**
3405	<	* runAfterEitherAsync result completes exceptionally after exceptional
3406	<	* completion of source
3405	>	* copy returns a CompletableFuture that is completed exceptionally
3406	>	* when source is.
3407		*/
3408	<	public void testRunAfterEitherAsync2() {
3408	>	public void testCopy2() {
3409		CompletableFuture<Integer> f = new CompletableFuture<>();
3410	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3411	<	Noop r = new Noop();
3412	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3413	<	f.completeExceptionally(new CFException());
3414	<	checkCompletedWithWrappedCFException(g);
3415	<
3416	<	r = new Noop();
1970	<	f = new CompletableFuture<>();
1971	<	f2 = new CompletableFuture<>();
1972	<	f2.completeExceptionally(new CFException());
1973	<	g = f.runAfterEitherAsync(f2, r);
1974	<	f.complete(one);
1975	<	checkCompletedWithWrappedCFException(g);
3410	>	CompletableFuture<Integer> g = f.copy();
3411	>	checkIncomplete(f);
3412	>	checkIncomplete(g);
3413	>	CFException ex = new CFException();
3414	>	f.completeExceptionally(ex);
3415	>	checkCompletedExceptionally(f, ex);
3416	>	checkCompletedWithWrappedException(g, ex);
3417		}
3418
3419		/**
3420	<	* runAfterEitherAsync result completes exceptionally if action does
3420	>	* minimalCompletionStage returns a CompletableFuture that is
3421	>	* completed normally, with the same value, when source is.
3422		*/
3423	<	public void testRunAfterEitherAsync3() {
3423	>	public void testMinimalCompletionStage() {
3424		CompletableFuture<Integer> f = new CompletableFuture<>();
3425	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3426	<	FailingNoop r = new FailingNoop();
3427	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3428	<	f.complete(one);
3429	<	checkCompletedWithWrappedCFException(g);
3425	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3426	>	AtomicInteger x = new AtomicInteger(0);
3427	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3428	>	checkIncomplete(f);
3429	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3430	>	f.complete(1);
3431	>	checkCompletedNormally(f, 1);
3432	>	assertEquals(x.get(), 1);
3433	>	assertNull(r.get());
3434		}
3435
3436		/**
3437	<	* runAfterEitherAsync result completes exceptionally if either
3438	<	* source cancelled
3437	>	* minimalCompletionStage returns a CompletableFuture that is
3438	>	* completed exceptionally when source is.
3439		*/
3440	<	public void testRunAfterEitherAsync4() {
3440	>	public void testMinimalCompletionStage2() {
3441		CompletableFuture<Integer> f = new CompletableFuture<>();
3442	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3443	<	Noop r = new Noop();
3444	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3445	<	assertTrue(f.cancel(true));
3446	<	checkCompletedWithWrappedCancellationException(g);
3447	<
3448	<	r = new Noop();
3449	<	f = new CompletableFuture<>();
3450	<	f2 = new CompletableFuture<>();
3451	<	assertTrue(f2.cancel(true));
2006	<	g = f.runAfterEitherAsync(f2, r);
2007	<	checkCompletedWithWrappedCancellationException(g);
2008	<	}
2009	<
2010	<	/**
2011	<	* thenComposeAsync result completes normally after normal
2012	<	* completion of source
2013	<	*/
2014	<	public void testThenComposeAsync() {
2015	<	CompletableFuture<Integer> f, g;
2016	<	CompletableFutureInc r;
2017	<
2018	<	f = new CompletableFuture<>();
2019	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2020	<	f.complete(one);
2021	<	checkCompletedNormally(g, two);
2022	<
2023	<	f = new CompletableFuture<>();
2024	<	f.complete(one);
2025	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2026	<	checkCompletedNormally(g, two);
2027	<	}
2028	<
2029	<	/**
2030	<	* thenComposeAsync result completes exceptionally after
2031	<	* exceptional completion of source
2032	<	*/
2033	<	public void testThenComposeAsync2() {
2034	<	CompletableFuture<Integer> f, g;
2035	<	CompletableFutureInc r;
2036	<
2037	<	f = new CompletableFuture<>();
2038	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2039	<	f.completeExceptionally(new CFException());
2040	<	checkCompletedWithWrappedCFException(g);
2041	<	assertFalse(r.ran);
2042	<
2043	<	f = new CompletableFuture<>();
2044	<	f.completeExceptionally(new CFException());
2045	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2046	<	checkCompletedWithWrappedCFException(g);
2047	<	assertFalse(r.ran);
2048	<	}
2049	<
2050	<	/**
2051	<	* thenComposeAsync result completes exceptionally if action does
2052	<	*/
2053	<	public void testThenComposeAsync3() {
2054	<	CompletableFuture<Integer> f, g;
2055	<	FailingCompletableFutureFunction r;
2056	<
2057	<	f = new CompletableFuture<>();
2058	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2059	<	f.complete(one);
2060	<	checkCompletedWithWrappedCFException(g);
2061	<
2062	<	f = new CompletableFuture<>();
2063	<	f.complete(one);
2064	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2065	<	checkCompletedWithWrappedCFException(g);
3442	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3443	>	AtomicInteger x = new AtomicInteger(0);
3444	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3445	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3446	>	checkIncomplete(f);
3447	>	CFException ex = new CFException();
3448	>	f.completeExceptionally(ex);
3449	>	checkCompletedExceptionally(f, ex);
3450	>	assertEquals(x.get(), 0);
3451	>	assertEquals(r.get().getCause(), ex);
3452		}
3453
3454		/**
3455	<	* thenComposeAsync result completes exceptionally if source cancelled
3455	>	* failedStage returns a CompletionStage completed
3456	>	* exceptionally with the given Exception
3457		*/
3458	<	public void testThenComposeAsync4() {
3459	<	CompletableFuture<Integer> f, g;
3460	<	CompletableFutureInc r;
3461	<
3462	<	f = new CompletableFuture<>();
3463	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3464	<	assertTrue(f.cancel(true));
3465	<	checkCompletedWithWrappedCancellationException(g);
2079	<
2080	<	f = new CompletableFuture<>();
2081	<	assertTrue(f.cancel(true));
2082	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2083	<	checkCompletedWithWrappedCancellationException(g);
3458	>	public void testFailedStage() {
3459	>	CFException ex = new CFException();
3460	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3461	>	AtomicInteger x = new AtomicInteger(0);
3462	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3463	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3464	>	assertEquals(x.get(), 0);
3465	>	assertEquals(r.get(), ex);
3466		}
3467
2086	–	// async with explicit executors
2087	–
3468		/**
3469	<	* thenRunAsync result completes normally after normal completion of source
3469	>	* completeAsync completes with value of given supplier
3470		*/
3471	<	public void testThenRunAsyncE() {
3471	>	public void testCompleteAsync() {
3472	>	for (Integer v1 : new Integer[] { 1, null })
3473	>	{
3474		CompletableFuture<Integer> f = new CompletableFuture<>();
3475	<	Noop r = new Noop();
3476	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3477	<	f.complete(null);
3478	<	checkCompletedNormally(g, null);
2097	<
2098	<	// reordered version
2099	<	f = new CompletableFuture<>();
2100	<	f.complete(null);
2101	<	r = new Noop();
2102	<	g = f.thenRunAsync(r, new ThreadExecutor());
2103	<	checkCompletedNormally(g, null);
2104	<	}
3475	>	f.completeAsync(() -> v1);
3476	>	f.join();
3477	>	checkCompletedNormally(f, v1);
3478	>	}}
3479
3480		/**
3481	<	* thenRunAsync result completes exceptionally after exceptional
2108	<	* completion of source
3481	>	* completeAsync completes exceptionally if given supplier throws
3482		*/
3483	<	public void testThenRunAsync2E() {
3483	>	public void testCompleteAsync2() {
3484		CompletableFuture<Integer> f = new CompletableFuture<>();
3485	<	Noop r = new Noop();
3486	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2114	<	f.completeExceptionally(new CFException());
3485	>	CFException ex = new CFException();
3486	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3487		try {
3488	<	g.join();
3488	>	f.join();
3489		shouldThrow();
3490	<	} catch (Exception ok) {
3491	<	}
2120	<	checkCompletedWithWrappedCFException(g);
2121	<	}
2122	<
2123	<	/**
2124	<	* thenRunAsync result completes exceptionally if action does
2125	<	*/
2126	<	public void testThenRunAsync3E() {
2127	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2128	<	FailingNoop r = new FailingNoop();
2129	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2130	<	f.complete(null);
2131	<	checkCompletedWithWrappedCFException(g);
2132	<	}
2133	<
2134	<	/**
2135	<	* thenRunAsync result completes exceptionally if source cancelled
2136	<	*/
2137	<	public void testThenRunAsync4E() {
2138	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2139	<	Noop r = new Noop();
2140	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2141	<	assertTrue(f.cancel(true));
2142	<	checkCompletedWithWrappedCancellationException(g);
3490	>	} catch (CompletionException success) {}
3491	>	checkCompletedWithWrappedException(f, ex);
3492		}
3493
3494		/**
3495	<	* thenApplyAsync result completes normally after normal completion of source
3495	>	* completeAsync with given executor completes with value of given supplier
3496		*/
3497	<	public void testThenApplyAsyncE() {
3497	>	public void testCompleteAsync3() {
3498	>	for (Integer v1 : new Integer[] { 1, null })
3499	>	{
3500		CompletableFuture<Integer> f = new CompletableFuture<>();
3501	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3502	<	f.complete(one);
3503	<	checkCompletedNormally(g, two);
3504	<	}
3501	>	ThreadExecutor executor = new ThreadExecutor();
3502	>	f.completeAsync(() -> v1, executor);
3503	>	assertSame(v1, f.join());
3504	>	checkCompletedNormally(f, v1);
3505	>	assertEquals(1, executor.count.get());
3506	>	}}
3507
3508		/**
3509	<	* thenApplyAsync result completes exceptionally after exceptional
3510	<	* completion of source
3509	>	* completeAsync with given executor completes exceptionally if
3510	>	* given supplier throws
3511		*/
3512	<	public void testThenApplyAsync2E() {
3512	>	public void testCompleteAsync4() {
3513		CompletableFuture<Integer> f = new CompletableFuture<>();
3514	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3515	<	f.completeExceptionally(new CFException());
3516	<	checkCompletedWithWrappedCFException(g);
3517	<	}
3518	<
3519	<	/**
3520	<	* thenApplyAsync result completes exceptionally if action does
3521	<	*/
3522	<	public void testThenApplyAsync3E() {
2170	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2171	<	FailingFunction r = new FailingFunction();
2172	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2173	<	f.complete(null);
2174	<	checkCompletedWithWrappedCFException(g);
3514	>	CFException ex = new CFException();
3515	>	ThreadExecutor executor = new ThreadExecutor();
3516	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3517	>	try {
3518	>	f.join();
3519	>	shouldThrow();
3520	>	} catch (CompletionException success) {}
3521	>	checkCompletedWithWrappedException(f, ex);
3522	>	assertEquals(1, executor.count.get());
3523		}
3524
3525		/**
3526	<	* thenApplyAsync result completes exceptionally if source cancelled
3526	>	* orTimeout completes with TimeoutException if not complete
3527		*/
3528	<	public void testThenApplyAsync4E() {
3528	>	public void testOrTimeout_timesOut() {
3529	>	long timeoutMillis = timeoutMillis();
3530		CompletableFuture<Integer> f = new CompletableFuture<>();
3531	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3532	<	assertTrue(f.cancel(true));
3533	<	checkCompletedWithWrappedCancellationException(g);
3531	>	long startTime = System.nanoTime();
3532	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3533	>	checkCompletedWithTimeoutException(f);
3534	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3535		}
3536
3537		/**
3538	<	* thenAcceptAsync result completes normally after normal
2189	<	* completion of source
3538	>	* orTimeout completes normally if completed before timeout
3539		*/
3540	<	public void testThenAcceptAsyncE() {
3540	>	public void testOrTimeout_completed() {
3541	>	for (Integer v1 : new Integer[] { 1, null })
3542	>	{
3543		CompletableFuture<Integer> f = new CompletableFuture<>();
3544	<	IncAction r = new IncAction();
3545	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3546	<	f.complete(one);
3547	<	checkCompletedNormally(g, null);
3548	<	assertEquals(r.value, 2);
3549	<	}
3544	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3545	>	long startTime = System.nanoTime();
3546	>	f.complete(v1);
3547	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3548	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3549	>	g.complete(v1);
3550	>	checkCompletedNormally(f, v1);
3551	>	checkCompletedNormally(g, v1);
3552	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3553	>	}}
3554
3555		/**
3556	<	* thenAcceptAsync result completes exceptionally after exceptional
2202	<	* completion of source
3556	>	* completeOnTimeout completes with given value if not complete
3557		*/
3558	<	public void testThenAcceptAsync2E() {
3559	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3560	<	IncAction r = new IncAction();
2207	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2208	<	f.completeExceptionally(new CFException());
2209	<	checkCompletedWithWrappedCFException(g);
3558	>	public void testCompleteOnTimeout_timesOut() {
3559	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3560	>	() -> testCompleteOnTimeout_timesOut(null));
3561		}
3562
3563	<	/**
3564	<	* thenAcceptAsync result completes exceptionally if action does
2214	<	*/
2215	<	public void testThenAcceptAsync3E() {
3563	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3564	>	long timeoutMillis = timeoutMillis();
3565		CompletableFuture<Integer> f = new CompletableFuture<>();
3566	<	FailingConsumer r = new FailingConsumer();
3567	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3568	<	f.complete(null);
3569	<	checkCompletedWithWrappedCFException(g);
3566	>	long startTime = System.nanoTime();
3567	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3568	>	assertSame(v, f.join());
3569	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3570	>	f.complete(99);         // should have no effect
3571	>	checkCompletedNormally(f, v);
3572		}
3573
3574		/**
3575	<	* thenAcceptAsync result completes exceptionally if source cancelled
3575	>	* completeOnTimeout has no effect if completed within timeout
3576		*/
3577	<	public void testThenAcceptAsync4E() {
3577	>	public void testCompleteOnTimeout_completed() {
3578	>	for (Integer v1 : new Integer[] { 1, null })
3579	>	{
3580		CompletableFuture<Integer> f = new CompletableFuture<>();
3581	<	IncAction r = new IncAction();
3582	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3583	<	assertTrue(f.cancel(true));
3584	<	checkCompletedWithWrappedCancellationException(g);
3585	<	}
3586	<
3587	<	/**
3588	<	* thenCombineAsync result completes normally after normal
3589	<	* completion of sources
3590	<	*/
3591	<	public void testThenCombineAsyncE() {
3592	<	CompletableFuture<Integer> f, g, h;
3593	<	ThreadExecutor e = new ThreadExecutor();
3594	<	int count = 0;
3595	<
3596	<	f = new CompletableFuture<>();
3597	<	g = new CompletableFuture<>();
3598	<	h = f.thenCombineAsync(g, subtract, e);
3599	<	f.complete(3);
3600	<	checkIncomplete(h);
3601	<	g.complete(1);
3602	<	checkCompletedNormally(h, 2);
3603	<	assertEquals(++count, e.count.get());
3604	<
3605	<	f = new CompletableFuture<>();
3606	<	g = new CompletableFuture<>();
3607	<	h = f.thenCombineAsync(g, subtract, e);
3608	<	g.complete(1);
3609	<	checkIncomplete(h);
3610	<	f.complete(3);
3611	<	checkCompletedNormally(h, 2);
3612	<	assertEquals(++count, e.count.get());
3613	<
3614	<	f = new CompletableFuture<>();
3615	<	g = new CompletableFuture<>();
3616	<	g.complete(1);
3617	<	f.complete(3);
3618	<	h = f.thenCombineAsync(g, subtract, e);
2266	<	checkCompletedNormally(h, 2);
2267	<	assertEquals(++count, e.count.get());
2268	<	}
2269	<
2270	<	/**
2271	<	* thenCombineAsync result completes exceptionally after exceptional
2272	<	* completion of either source
2273	<	*/
2274	<	public void testThenCombineAsync2E() {
2275	<	CompletableFuture<Integer> f, g, h;
2276	<	ThreadExecutor e = new ThreadExecutor();
2277	<	int count = 0;
2278	<
2279	<	f = new CompletableFuture<>();
2280	<	g = new CompletableFuture<>();
2281	<	h = f.thenCombineAsync(g, subtract, e);
2282	<	f.completeExceptionally(new CFException());
2283	<	checkIncomplete(h);
2284	<	g.complete(1);
2285	<	checkCompletedWithWrappedCFException(h);
3581	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3582	>	long startTime = System.nanoTime();
3583	>	f.complete(v1);
3584	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3585	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3586	>	g.complete(v1);
3587	>	checkCompletedNormally(f, v1);
3588	>	checkCompletedNormally(g, v1);
3589	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3590	>	}}
3591	>
3592	>	/**
3593	>	* delayedExecutor returns an executor that delays submission
3594	>	*/
3595	>	public void testDelayedExecutor() {
3596	>	testInParallel(() -> testDelayedExecutor(null, null),
3597	>	() -> testDelayedExecutor(null, 1),
3598	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3599	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3600	>	}
3601	>
3602	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3603	>	long timeoutMillis = timeoutMillis();
3604	>	// Use an "unreasonably long" long timeout to catch lingering threads
3605	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3606	>	final Executor delayer, longDelayer;
3607	>	if (executor == null) {
3608	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3609	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3610	>	} else {
3611	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3612	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3613	>	}
3614	>	long startTime = System.nanoTime();
3615	>	CompletableFuture<Integer> f =
3616	>	CompletableFuture.supplyAsync(() -> v, delayer);
3617	>	CompletableFuture<Integer> g =
3618	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3619
3620	<	f = new CompletableFuture<>();
2288	<	g = new CompletableFuture<>();
2289	<	h = f.thenCombineAsync(g, subtract, e);
2290	<	g.completeExceptionally(new CFException());
2291	<	checkIncomplete(h);
2292	<	f.complete(3);
2293	<	checkCompletedWithWrappedCFException(h);
3620	>	assertNull(g.getNow(null));
3621
3622	<	f = new CompletableFuture<>();
3623	<	g = new CompletableFuture<>();
3624	<	g.completeExceptionally(new CFException());
3625	<	h = f.thenCombineAsync(g, subtract, e);
2299	<	checkIncomplete(h);
2300	<	f.complete(3);
2301	<	checkCompletedWithWrappedCFException(h);
3622	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3623	>	long millisElapsed = millisElapsedSince(startTime);
3624	>	assertTrue(millisElapsed >= timeoutMillis);
3625	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3626
3627	<	assertEquals(0, e.count.get());
2304	<	}
3627	>	checkCompletedNormally(f, v);
3628
2306	–	/**
2307	–	* thenCombineAsync result completes exceptionally if action does
2308	–	*/
2309	–	public void testThenCombineAsync3E() {
2310	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2311	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2312	–	FailingBiFunction r = new FailingBiFunction();
2313	–	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2314	–	f.complete(one);
3629		checkIncomplete(g);
2316	–	assertFalse(r.ran);
2317	–	f2.complete(two);
2318	–	checkCompletedWithWrappedCFException(g);
2319	–	assertTrue(r.ran);
2320	–	}
2321	–
2322	–	/**
2323	–	* thenCombineAsync result completes exceptionally if either source cancelled
2324	–	*/
2325	–	public void testThenCombineAsync4E() {
2326	–	CompletableFuture<Integer> f, g, h;
2327	–	ThreadExecutor e = new ThreadExecutor();
2328	–
2329	–	f = new CompletableFuture<>();
2330	–	g = new CompletableFuture<>();
2331	–	h = f.thenCombineAsync(g, subtract, e);
2332	–	assertTrue(f.cancel(true));
2333	–	checkIncomplete(h);
2334	–	g.complete(1);
2335	–	checkCompletedWithWrappedCancellationException(h);
2336	–
2337	–	f = new CompletableFuture<>();
2338	–	g = new CompletableFuture<>();
2339	–	h = f.thenCombineAsync(g, subtract, e);
2340	–	assertTrue(g.cancel(true));
2341	–	checkIncomplete(h);
2342	–	f.complete(3);
2343	–	checkCompletedWithWrappedCancellationException(h);
2344	–
2345	–	f = new CompletableFuture<>();
2346	–	g = new CompletableFuture<>();
2347	–	assertTrue(g.cancel(true));
2348	–	h = f.thenCombineAsync(g, subtract, e);
2349	–	checkIncomplete(h);
2350	–	f.complete(3);
2351	–	checkCompletedWithWrappedCancellationException(h);
2352	–
2353	–	f = new CompletableFuture<>();
2354	–	g = new CompletableFuture<>();
2355	–	assertTrue(f.cancel(true));
2356	–	assertTrue(g.cancel(true));
2357	–	h = f.thenCombineAsync(g, subtract, e);
2358	–	checkCompletedWithWrappedCancellationException(h);
2359	–
2360	–	assertEquals(0, e.count.get());
2361	–	}
2362	–
2363	–	/**
2364	–	* thenAcceptBothAsync result completes normally after normal
2365	–	* completion of sources
2366	–	*/
2367	–	public void testThenAcceptBothAsyncE() {
2368	–	CompletableFuture<Integer> f, g;
2369	–	CompletableFuture<Void> h;
2370	–	SubtractAction r;
2371	–	ThreadExecutor e = new ThreadExecutor();
2372	–
2373	–	f = new CompletableFuture<>();
2374	–	g = new CompletableFuture<>();
2375	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2376	–	f.complete(3);
2377	–	checkIncomplete(h);
2378	–	g.complete(1);
2379	–	checkCompletedNormally(h, null);
2380	–	assertEquals(r.value, 2);
2381	–
2382	–	f = new CompletableFuture<>();
2383	–	g = new CompletableFuture<>();
2384	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2385	–	g.complete(1);
2386	–	checkIncomplete(h);
2387	–	f.complete(3);
2388	–	checkCompletedNormally(h, null);
2389	–	assertEquals(r.value, 2);
2390	–
2391	–	f = new CompletableFuture<>();
2392	–	g = new CompletableFuture<>();
2393	–	g.complete(1);
2394	–	f.complete(3);
2395	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2396	–	checkCompletedNormally(h, null);
2397	–	assertEquals(r.value, 2);
2398	–
2399	–	assertEquals(3, e.count.get());
2400	–	}
2401	–
2402	–	/**
2403	–	* thenAcceptBothAsync result completes exceptionally after exceptional
2404	–	* completion of source
2405	–	*/
2406	–	public void testThenAcceptBothAsync2E() {
2407	–	CompletableFuture<Integer> f, g;
2408	–	CompletableFuture<Void> h;
2409	–	SubtractAction r;
2410	–	ThreadExecutor e = new ThreadExecutor();
2411	–
2412	–	f = new CompletableFuture<>();
2413	–	g = new CompletableFuture<>();
2414	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2415	–	f.completeExceptionally(new CFException());
2416	–	checkIncomplete(h);
2417	–	g.complete(1);
2418	–	checkCompletedWithWrappedCFException(h);
2419	–
2420	–	f = new CompletableFuture<>();
2421	–	g = new CompletableFuture<>();
2422	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2423	–	g.completeExceptionally(new CFException());
2424	–	checkIncomplete(h);
2425	–	f.complete(3);
2426	–	checkCompletedWithWrappedCFException(h);
2427	–
2428	–	f = new CompletableFuture<>();
2429	–	g = new CompletableFuture<>();
2430	–	f.complete(3);
2431	–	g.completeExceptionally(new CFException());
2432	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2433	–	checkCompletedWithWrappedCFException(h);
2434	–
2435	–	f = new CompletableFuture<>();
2436	–	g = new CompletableFuture<>();
2437	–	f.completeExceptionally(new CFException());
2438	–	g.complete(3);
2439	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2440	–	checkCompletedWithWrappedCFException(h);
2441	–
2442	–	assertEquals(0, e.count.get());
2443	–	}
2444	–
2445	–	/**
2446	–	* thenAcceptBothAsync result completes exceptionally if action does
2447	–	*/
2448	–	public void testThenAcceptBothAsync3E() {
2449	–	CompletableFuture<Integer> f, g;
2450	–	CompletableFuture<Void> h;
2451	–	FailingBiConsumer r;
2452	–	ThreadExecutor e = new ThreadExecutor();
2453	–
2454	–	f = new CompletableFuture<>();
2455	–	g = new CompletableFuture<>();
2456	–	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2457	–	f.complete(3);
2458	–	checkIncomplete(h);
2459	–	g.complete(1);
2460	–	checkCompletedWithWrappedCFException(h);
2461	–
2462	–	f = new CompletableFuture<>();
2463	–	g = new CompletableFuture<>();
2464	–	f.complete(3);
2465	–	g.complete(1);
2466	–	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2467	–	checkCompletedWithWrappedCFException(h);
2468	–
2469	–	assertEquals(2, e.count.get());
2470	–	}
2471	–
2472	–	/**
2473	–	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2474	–	*/
2475	–	public void testThenAcceptBothAsync4E() {
2476	–	CompletableFuture<Integer> f, g;
2477	–	CompletableFuture<Void> h;
2478	–	SubtractAction r;
2479	–	ThreadExecutor e = new ThreadExecutor();
2480	–
2481	–	f = new CompletableFuture<>();
2482	–	g = new CompletableFuture<>();
2483	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2484	–	assertTrue(f.cancel(true));
2485	–	checkIncomplete(h);
2486	–	g.complete(1);
2487	–	checkCompletedWithWrappedCancellationException(h);
2488	–
2489	–	f = new CompletableFuture<>();
2490	–	g = new CompletableFuture<>();
2491	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2492	–	assertTrue(g.cancel(true));
2493	–	checkIncomplete(h);
2494	–	f.complete(3);
2495	–	checkCompletedWithWrappedCancellationException(h);
2496	–
2497	–	f = new CompletableFuture<>();
2498	–	g = new CompletableFuture<>();
2499	–	f.complete(3);
3630		assertTrue(g.cancel(true));
2501	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2502	–	checkCompletedWithWrappedCancellationException(h);
2503	–
2504	–	f = new CompletableFuture<>();
2505	–	g = new CompletableFuture<>();
2506	–	assertTrue(f.cancel(true));
2507	–	g.complete(3);
2508	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2509	–	checkCompletedWithWrappedCancellationException(h);
2510	–
2511	–	assertEquals(0, e.count.get());
3631		}
3632
3633	<	/**
2515	<	* runAfterBothAsync result completes normally after normal
2516	<	* completion of sources
2517	<	*/
2518	<	public void testRunAfterBothAsyncE() {
2519	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2520	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2521	<	Noop r = new Noop();
2522	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2523	<	f.complete(one);
2524	<	checkIncomplete(g);
2525	<	f2.complete(two);
2526	<	checkCompletedNormally(g, null);
2527	<	assertTrue(r.ran);
2528	<	}
3633	>	//--- tests of implementation details; not part of official tck ---
3634
3635	<	/**
3636	<	* runAfterBothAsync result completes exceptionally after exceptional
3637	<	* completion of source
3638	<	*/
3639	<	public void testRunAfterBothAsync2E() {
3640	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3641	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2537	<	Noop r = new Noop();
2538	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2539	<	f.completeExceptionally(new CFException());
2540	<	f2.complete(two);
2541	<	checkCompletedWithWrappedCFException(g);
2542	<
2543	<	r = new Noop();
2544	<	f = new CompletableFuture<>();
2545	<	f2 = new CompletableFuture<>();
2546	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2547	<	f.complete(one);
2548	<	f2.completeExceptionally(new CFException());
2549	<	checkCompletedWithWrappedCFException(g);
2550	<	}
2551	<
2552	<	/**
2553	<	* runAfterBothAsync result completes exceptionally if action does
2554	<	*/
2555	<	public void testRunAfterBothAsync3E() {
2556	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2557	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2558	<	FailingNoop r = new FailingNoop();
2559	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2560	<	f.complete(one);
2561	<	checkIncomplete(g);
2562	<	f2.complete(two);
2563	<	checkCompletedWithWrappedCFException(g);
2564	<	}
2565	<
2566	<	/**
2567	<	* runAfterBothAsync result completes exceptionally if either source cancelled
2568	<	*/
2569	<	public void testRunAfterBothAsync4E() {
2570	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2571	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2572	<	Noop r = new Noop();
2573	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2574	<	assertTrue(f.cancel(true));
2575	<	f2.complete(two);
2576	<	checkCompletedWithWrappedCancellationException(g);
2577	<
2578	<	r = new Noop();
2579	<	f = new CompletableFuture<>();
2580	<	f2 = new CompletableFuture<>();
2581	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2582	<	f.complete(one);
2583	<	assertTrue(f2.cancel(true));
2584	<	checkCompletedWithWrappedCancellationException(g);
2585	<	}
2586	<
2587	<	/**
2588	<	* applyToEitherAsync result completes normally after normal
2589	<	* completion of sources
2590	<	*/
2591	<	public void testApplyToEitherAsyncE() {
2592	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2593	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2594	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2595	<	f.complete(one);
2596	<	checkCompletedNormally(g, two);
2597	<
2598	<	f = new CompletableFuture<>();
2599	<	f.complete(one);
2600	<	f2 = new CompletableFuture<>();
2601	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2602	<	checkCompletedNormally(g, two);
2603	<	}
2604	<
2605	<	/**
2606	<	* applyToEitherAsync result completes exceptionally after exceptional
2607	<	* completion of source
2608	<	*/
2609	<	public void testApplyToEitherAsync2E() {
2610	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2611	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2612	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2613	<	f.completeExceptionally(new CFException());
2614	<	checkCompletedWithWrappedCFException(g);
2615	<
2616	<	f = new CompletableFuture<>();
2617	<	f2 = new CompletableFuture<>();
2618	<	f2.completeExceptionally(new CFException());
2619	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2620	<	f.complete(one);
2621	<	checkCompletedWithWrappedCFException(g);
2622	<	}
2623	<
2624	<	/**
2625	<	* applyToEitherAsync result completes exceptionally if action does
2626	<	*/
2627	<	public void testApplyToEitherAsync3E() {
2628	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2629	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2630	<	FailingFunction r = new FailingFunction();
2631	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2632	<	f.complete(one);
2633	<	checkCompletedWithWrappedCFException(g);
2634	<	}
2635	<
2636	<	/**
2637	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2638	<	*/
2639	<	public void testApplyToEitherAsync4E() {
2640	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2641	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2642	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2643	<	assertTrue(f.cancel(true));
2644	<	checkCompletedWithWrappedCancellationException(g);
2645	<
2646	<	f = new CompletableFuture<>();
2647	<	f2 = new CompletableFuture<>();
2648	<	assertTrue(f2.cancel(true));
2649	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2650	<	checkCompletedWithWrappedCancellationException(g);
2651	<	}
2652	<
2653	<	/**
2654	<	* acceptEitherAsync result completes normally after normal
2655	<	* completion of sources
2656	<	*/
2657	<	public void testAcceptEitherAsyncE() {
2658	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2659	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2660	<	IncAction r = new IncAction();
2661	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2662	<	f.complete(one);
2663	<	checkCompletedNormally(g, null);
2664	<	assertEquals(r.value, 2);
2665	<
2666	<	r = new IncAction();
2667	<	f = new CompletableFuture<>();
2668	<	f.complete(one);
2669	<	f2 = new CompletableFuture<>();
2670	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2671	<	checkCompletedNormally(g, null);
2672	<	assertEquals(r.value, 2);
2673	<	}
2674	<
2675	<	/**
2676	<	* acceptEitherAsync result completes exceptionally after exceptional
2677	<	* completion of source
2678	<	*/
2679	<	public void testAcceptEitherAsync2E() {
2680	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2681	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2682	<	IncAction r = new IncAction();
2683	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2684	<	f.completeExceptionally(new CFException());
2685	<	checkCompletedWithWrappedCFException(g);
2686	<
2687	<	r = new IncAction();
2688	<	f = new CompletableFuture<>();
2689	<	f2 = new CompletableFuture<>();
2690	<	f2.completeExceptionally(new CFException());
2691	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2692	<	f.complete(one);
2693	<	checkCompletedWithWrappedCFException(g);
2694	<	}
2695	<
2696	<	/**
2697	<	* acceptEitherAsync result completes exceptionally if action does
2698	<	*/
2699	<	public void testAcceptEitherAsync3E() {
2700	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2701	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2702	<	FailingConsumer r = new FailingConsumer();
2703	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2704	<	f.complete(one);
2705	<	checkCompletedWithWrappedCFException(g);
2706	<	}
2707	<
2708	<	/**
2709	<	* acceptEitherAsync result completes exceptionally if either
2710	<	* source cancelled
2711	<	*/
2712	<	public void testAcceptEitherAsync4E() {
2713	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2714	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2715	<	IncAction r = new IncAction();
2716	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2717	<	assertTrue(f.cancel(true));
2718	<	checkCompletedWithWrappedCancellationException(g);
2719	<
2720	<	r = new IncAction();
2721	<	f = new CompletableFuture<>();
2722	<	f2 = new CompletableFuture<>();
2723	<	assertTrue(f2.cancel(true));
2724	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2725	<	checkCompletedWithWrappedCancellationException(g);
3635	>	Object resultOf(CompletableFuture<?> f) {
3636	>	try {
3637	>	java.lang.reflect.Field resultField
3638	>	= CompletableFuture.class.getDeclaredField("result");
3639	>	resultField.setAccessible(true);
3640	>	return resultField.get(f);
3641	>	} catch (Throwable t) { throw new AssertionError(t); }
3642		}
3643
3644	<	/**
3645	<	* runAfterEitherAsync result completes normally after normal
3646	<	* completion of sources
3647	<	*/
3648	<	public void testRunAfterEitherAsyncE() {
3649	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3650	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2735	<	Noop r = new Noop();
2736	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2737	<	f.complete(one);
2738	<	checkCompletedNormally(g, null);
2739	<	assertTrue(r.ran);
3644	>	public void testExceptionPropagationReusesResultObject() {
3645	>	if (!testImplementationDetails) return;
3646	>	for (ExecutionMode m : ExecutionMode.values())
3647	>	{
3648	>	final CFException ex = new CFException();
3649	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3650	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3651
3652	<	r = new Noop();
3653	<	f = new CompletableFuture<>();
2743	<	f.complete(one);
2744	<	f2 = new CompletableFuture<>();
2745	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2746	<	checkCompletedNormally(g, null);
2747	<	assertTrue(r.ran);
2748	<	}
3652	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3653	>	= new ArrayList<>();
3654
3655	<	/**
3656	<	* runAfterEitherAsync result completes exceptionally after exceptional
3657	<	* completion of source
2753	<	*/
2754	<	public void testRunAfterEitherAsync2E() {
2755	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2756	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2757	<	Noop r = new Noop();
2758	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2759	<	f.completeExceptionally(new CFException());
2760	<	checkCompletedWithWrappedCFException(g);
3655	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3656	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3657	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3658
3659	<	r = new Noop();
3660	<	f = new CompletableFuture<>();
3661	<	f2 = new CompletableFuture<>();
2765	<	f2.completeExceptionally(new CFException());
2766	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2767	<	f.complete(one);
2768	<	checkCompletedWithWrappedCFException(g);
2769	<	}
2770	<
2771	<	/**
2772	<	* runAfterEitherAsync result completes exceptionally if action does
2773	<	*/
2774	<	public void testRunAfterEitherAsync3E() {
2775	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2776	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2777	<	FailingNoop r = new FailingNoop();
2778	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2779	<	f.complete(one);
2780	<	checkCompletedWithWrappedCFException(g);
2781	<	}
3659	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3660	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3661	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3662
3663	<	/**
3664	<	* runAfterEitherAsync result completes exceptionally if either
3665	<	* source cancelled
2786	<	*/
2787	<	public void testRunAfterEitherAsync4E() {
2788	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2789	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2790	<	Noop r = new Noop();
2791	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2792	<	assertTrue(f.cancel(true));
2793	<	checkCompletedWithWrappedCancellationException(g);
3663	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3664	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3665	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3666
3667	<	r = new Noop();
2796	<	f = new CompletableFuture<>();
2797	<	f2 = new CompletableFuture<>();
2798	<	assertTrue(f2.cancel(true));
2799	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2800	<	checkCompletedWithWrappedCancellationException(g);
2801	<	}
3667	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3668
3669	<	/**
2804	<	* thenComposeAsync result completes normally after normal
2805	<	* completion of source
2806	<	*/
2807	<	public void testThenComposeAsyncE() {
2808	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2809	<	CompletableFutureInc r = new CompletableFutureInc();
2810	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2811	<	f.complete(one);
2812	<	checkCompletedNormally(g, two);
2813	<	}
3669	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3670
3671	<	/**
3672	<	* thenComposeAsync result completes exceptionally after
2817	<	* exceptional completion of source
2818	<	*/
2819	<	public void testThenComposeAsync2E() {
2820	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2821	<	CompletableFutureInc r = new CompletableFutureInc();
2822	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2823	<	f.completeExceptionally(new CFException());
2824	<	checkCompletedWithWrappedCFException(g);
2825	<	}
3671	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3672	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3673
3674	<	/**
3675	<	* thenComposeAsync result completes exceptionally if action does
3676	<	*/
3677	<	public void testThenComposeAsync3E() {
3678	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3679	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3680	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3681	<	f.complete(one);
3682	<	checkCompletedWithWrappedCFException(g);
3683	<	}
3674	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3675	>	fun : funs) {
3676	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3677	>	f.completeExceptionally(ex);
3678	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3679	>	checkCompletedWithWrappedException(src, ex);
3680	>	CompletableFuture<?> dep = fun.apply(src);
3681	>	checkCompletedWithWrappedException(dep, ex);
3682	>	assertSame(resultOf(src), resultOf(dep));
3683	>	}
3684
3685	<	/**
3686	<	* thenComposeAsync result completes exceptionally if source cancelled
3687	<	*/
3688	<	public void testThenComposeAsync4E() {
3689	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3690	<	CompletableFutureInc r = new CompletableFutureInc();
3691	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3692	<	assertTrue(f.cancel(true));
3693	<	checkCompletedWithWrappedCancellationException(g);
3694	<	}
3685	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3686	>	fun : funs) {
3687	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3688	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3689	>	CompletableFuture<?> dep = fun.apply(src);
3690	>	f.completeExceptionally(ex);
3691	>	checkCompletedWithWrappedException(src, ex);
3692	>	checkCompletedWithWrappedException(dep, ex);
3693	>	assertSame(resultOf(src), resultOf(dep));
3694	>	}
3695
3696	<	// other static methods
3696	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3697	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3698	>	fun : funs) {
3699	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3700	>	f.cancel(mayInterruptIfRunning);
3701	>	checkCancelled(f);
3702	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3703	>	checkCompletedWithWrappedCancellationException(src);
3704	>	CompletableFuture<?> dep = fun.apply(src);
3705	>	checkCompletedWithWrappedCancellationException(dep);
3706	>	assertSame(resultOf(src), resultOf(dep));
3707	>	}
3708
3709	<	/**
3710	<	* allOf(no component futures) returns a future completed normally
3711	<	* with the value null
3712	<	*/
3713	<	public void testAllOf_empty() throws Exception {
3714	<	CompletableFuture<Void> f = CompletableFuture.allOf();
3715	<	checkCompletedNormally(f, null);
3716	<	}
3709	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3710	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3711	>	fun : funs) {
3712	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3713	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3714	>	CompletableFuture<?> dep = fun.apply(src);
3715	>	f.cancel(mayInterruptIfRunning);
3716	>	checkCancelled(f);
3717	>	checkCompletedWithWrappedCancellationException(src);
3718	>	checkCompletedWithWrappedCancellationException(dep);
3719	>	assertSame(resultOf(src), resultOf(dep));
3720	>	}
3721	>	}}
3722
3723		/**
3724	<	* allOf returns a future completed normally with the value null
2862	<	* when all components complete normally
3724	>	* Minimal completion stages throw UOE for all non-CompletionStage methods
3725		*/
3726	<	public void testAllOf_normal() throws Exception {
3727	<	for (int k = 1; k < 20; ++k) {
3728	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3729	<	for (int i = 0; i < k; ++i)
3730	<	fs[i] = new CompletableFuture<>();
3731	<	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3732	<	for (int i = 0; i < k; ++i) {
3733	<	checkIncomplete(f);
3734	<	checkIncomplete(CompletableFuture.allOf(fs));
3735	<	fs[i].complete(one);
3726	>	public void testMinimalCompletionStage_minimality() {
3727	>	if (!testImplementationDetails) return;
3728	>	Function<Method, String> toSignature =
3729	>	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3730	>	Predicate<Method> isNotStatic =
3731	>	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3732	>	List<Method> minimalMethods =
3733	>	Stream.of(Object.class, CompletionStage.class)
3734	>	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3735	>	.filter(isNotStatic)
3736	>	.collect(Collectors.toList());
3737	>	// Methods from CompletableFuture permitted NOT to throw UOE
3738	>	String[] signatureWhitelist = {
3739	>	"newIncompleteFuture[]",
3740	>	"defaultExecutor[]",
3741	>	"minimalCompletionStage[]",
3742	>	"copy[]",
3743	>	};
3744	>	Set<String> permittedMethodSignatures =
3745	>	Stream.concat(minimalMethods.stream().map(toSignature),
3746	>	Stream.of(signatureWhitelist))
3747	>	.collect(Collectors.toSet());
3748	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3749	>	.filter(isNotStatic)
3750	>	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3751	>	.collect(Collectors.toList());
3752	>
3753	>	CompletionStage<Integer> minimalStage =
3754	>	new CompletableFuture<Integer>().minimalCompletionStage();
3755	>
3756	>	List<Method> bugs = new ArrayList<>();
3757	>	for (Method method : allMethods) {
3758	>	Class<?>[] parameterTypes = method.getParameterTypes();
3759	>	Object[] args = new Object[parameterTypes.length];
3760	>	// Manufacture boxed primitives for primitive params
3761	>	for (int i = 0; i < args.length; i++) {
3762	>	Class<?> type = parameterTypes[i];
3763	>	if (parameterTypes[i] == boolean.class)
3764	>	args[i] = false;
3765	>	else if (parameterTypes[i] == int.class)
3766	>	args[i] = 0;
3767	>	else if (parameterTypes[i] == long.class)
3768	>	args[i] = 0L;
3769		}
3770	<	checkCompletedNormally(f, null);
3771	<	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3770	>	try {
3771	>	method.invoke(minimalStage, args);
3772	>	bugs.add(method);
3773	>	}
3774	>	catch (java.lang.reflect.InvocationTargetException expected) {
3775	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3776	>	bugs.add(method);
3777	>	// expected.getCause().printStackTrace();
3778	>	}
3779	>	}
3780	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3781		}
3782	+	if (!bugs.isEmpty())
3783	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3784		}
3785
3786	<	/**
3787	<	* anyOf(no component futures) returns an incomplete future
3788	<	*/
3789	<	public void testAnyOf_empty() throws Exception {
3790	<	CompletableFuture<Object> f = CompletableFuture.anyOf();
3791	<	checkIncomplete(f);
3792	<	}
3793	<
3794	<	/**
3795	<	* anyOf returns a future completed normally with a value when
3796	<	* a component future does
3797	<	*/
3798	<	public void testAnyOf_normal() throws Exception {
3799	<	for (int k = 0; k < 10; ++k) {
3800	<	CompletableFuture[] fs = new CompletableFuture[k];
3801	<	for (int i = 0; i < k; ++i)
3802	<	fs[i] = new CompletableFuture<>();
2897	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
2898	<	checkIncomplete(f);
2899	<	for (int i = 0; i < k; ++i) {
2900	<	fs[i].complete(one);
2901	<	checkCompletedNormally(f, one);
2902	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
2903	<	}
3786	>	static class Monad {
3787	>	static class ZeroException extends RuntimeException {
3788	>	public ZeroException() { super("monadic zero"); }
3789	>	}
3790	>	// "return", "unit"
3791	>	static <T> CompletableFuture<T> unit(T value) {
3792	>	return completedFuture(value);
3793	>	}
3794	>	// monadic zero ?
3795	>	static <T> CompletableFuture<T> zero() {
3796	>	return failedFuture(new ZeroException());
3797	>	}
3798	>	// >=>
3799	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
3800	>	(Function<T, CompletableFuture<U>> f,
3801	>	Function<U, CompletableFuture<V>> g) {
3802	>	return (x) -> f.apply(x).thenCompose(g);
3803		}
2905	–	}
3804
3805	<	/**
3806	<	* anyOf result completes exceptionally when any component does.
3807	<	*/
3808	<	public void testAnyOf_exceptional() throws Exception {
3809	<	for (int k = 0; k < 10; ++k) {
3810	<	CompletableFuture[] fs = new CompletableFuture[k];
2913	<	for (int i = 0; i < k; ++i)
2914	<	fs[i] = new CompletableFuture<>();
2915	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
2916	<	checkIncomplete(f);
2917	<	for (int i = 0; i < k; ++i) {
2918	<	fs[i].completeExceptionally(new CFException());
2919	<	checkCompletedWithWrappedCFException(f);
2920	<	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3805	>	static void assertZero(CompletableFuture<?> f) {
3806	>	try {
3807	>	f.getNow(null);
3808	>	throw new AssertionFailedError("should throw");
3809	>	} catch (CompletionException success) {
3810	>	assertTrue(success.getCause() instanceof ZeroException);
3811		}
3812		}
2923	–	}
2924	–
2925	–	/**
2926	–	* Completion methods throw NullPointerException with null arguments
2927	–	*/
2928	–	public void testNPE() {
2929	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2930	–	CompletableFuture<Integer> g = new CompletableFuture<>();
2931	–	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2932	–	CompletableFuture<?> h;
2933	–	ThreadExecutor exec = new ThreadExecutor();
2934	–
2935	–	Runnable[] throwingActions = {
2936	–	() -> { CompletableFuture.supplyAsync(null); },
2937	–	() -> { CompletableFuture.supplyAsync(null, exec); },
2938	–	() -> { CompletableFuture.supplyAsync(supplyOne, null); },
2939	–
2940	–	() -> { CompletableFuture.runAsync(null); },
2941	–	() -> { CompletableFuture.runAsync(null, exec); },
2942	–	() -> { CompletableFuture.runAsync(() -> {}, null); },
2943	–
2944	–	() -> { f.completeExceptionally(null); },
2945	–
2946	–	() -> { f.thenApply(null); },
2947	–	() -> { f.thenApplyAsync(null); },
2948	–	() -> { f.thenApplyAsync((x) -> x, null); },
2949	–	() -> { f.thenApplyAsync(null, exec); },
2950	–
2951	–	() -> { f.thenAccept(null); },
2952	–	() -> { f.thenAcceptAsync(null); },
2953	–	() -> { f.thenAcceptAsync((x) -> { ; }, null); },
2954	–	() -> { f.thenAcceptAsync(null, exec); },
2955	–
2956	–	() -> { f.thenRun(null); },
2957	–	() -> { f.thenRunAsync(null); },
2958	–	() -> { f.thenRunAsync(() -> { ; }, null); },
2959	–	() -> { f.thenRunAsync(null, exec); },
2960	–
2961	–	() -> { f.thenCombine(g, null); },
2962	–	() -> { f.thenCombineAsync(g, null); },
2963	–	() -> { f.thenCombineAsync(g, null, exec); },
2964	–	() -> { f.thenCombine(nullFuture, (x, y) -> x); },
2965	–	() -> { f.thenCombineAsync(nullFuture, (x, y) -> x); },
2966	–	() -> { f.thenCombineAsync(nullFuture, (x, y) -> x, exec); },
2967	–	() -> { f.thenCombineAsync(g, (x, y) -> x, null); },
2968	–
2969	–	() -> { f.thenAcceptBoth(g, null); },
2970	–	() -> { f.thenAcceptBothAsync(g, null); },
2971	–	() -> { f.thenAcceptBothAsync(g, null, exec); },
2972	–	() -> { f.thenAcceptBoth(nullFuture, (x, y) -> {}); },
2973	–	() -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}); },
2974	–	() -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec); },
2975	–	() -> { f.thenAcceptBothAsync(g, (x, y) -> {}, null); },
2976	–
2977	–	() -> { f.runAfterBoth(g, null); },
2978	–	() -> { f.runAfterBothAsync(g, null); },
2979	–	() -> { f.runAfterBothAsync(g, null, exec); },
2980	–	() -> { f.runAfterBoth(nullFuture, () -> {}); },
2981	–	() -> { f.runAfterBothAsync(nullFuture, () -> {}); },
2982	–	() -> { f.runAfterBothAsync(nullFuture, () -> {}, exec); },
2983	–	() -> { f.runAfterBothAsync(g, () -> {}, null); },
2984	–
2985	–	() -> { f.applyToEither(g, null); },
2986	–	() -> { f.applyToEitherAsync(g, null); },
2987	–	() -> { f.applyToEitherAsync(g, null, exec); },
2988	–	() -> { f.applyToEither(nullFuture, (x) -> x); },
2989	–	() -> { f.applyToEitherAsync(nullFuture, (x) -> x); },
2990	–	() -> { f.applyToEitherAsync(nullFuture, (x) -> x, exec); },
2991	–	() -> { f.applyToEitherAsync(g, (x) -> x, null); },
2992	–
2993	–	() -> { f.acceptEither(g, null); },
2994	–	() -> { f.acceptEitherAsync(g, null); },
2995	–	() -> { f.acceptEitherAsync(g, null, exec); },
2996	–	() -> { f.acceptEither(nullFuture, (x) -> {}); },
2997	–	() -> { f.acceptEitherAsync(nullFuture, (x) -> {}); },
2998	–	() -> { f.acceptEitherAsync(nullFuture, (x) -> {}, exec); },
2999	–	() -> { f.acceptEitherAsync(g, (x) -> {}, null); },
3000	–
3001	–	() -> { f.runAfterEither(g, null); },
3002	–	() -> { f.runAfterEitherAsync(g, null); },
3003	–	() -> { f.runAfterEitherAsync(g, null, exec); },
3004	–	() -> { f.runAfterEither(nullFuture, () -> {}); },
3005	–	() -> { f.runAfterEitherAsync(nullFuture, () -> {}); },
3006	–	() -> { f.runAfterEitherAsync(nullFuture, () -> {}, exec); },
3007	–	() -> { f.runAfterEitherAsync(g, () -> {}, null); },
3008	–
3009	–	() -> { f.thenCompose(null); },
3010	–	() -> { f.thenComposeAsync(null); },
3011	–	() -> { f.thenComposeAsync(new CompletableFutureInc(), null); },
3012	–	() -> { f.thenComposeAsync(null, exec); },
3013	–
3014	–	() -> { f.exceptionally(null); },
3015	–
3016	–	() -> { f.handle(null); },
3017	–
3018	–	() -> { CompletableFuture.allOf((CompletableFuture<?>)null); },
3019	–	() -> { CompletableFuture.allOf((CompletableFuture<?>[])null); },
3020	–	() -> { CompletableFuture.allOf(f, null); },
3021	–	() -> { CompletableFuture.allOf(null, f); },
3022	–
3023	–	() -> { CompletableFuture.anyOf((CompletableFuture<?>)null); },
3024	–	() -> { CompletableFuture.anyOf((CompletableFuture<?>[])null); },
3025	–	() -> { CompletableFuture.anyOf(f, null); },
3026	–	() -> { CompletableFuture.anyOf(null, f); },
3027	–	};
3028	–
3029	–	assertThrows(NullPointerException.class, throwingActions);
3030	–	assertEquals(0, exec.count.get());
3031	–	}
3032	–
3033	–	/**
3034	–	* toCompletableFuture returns this CompletableFuture.
3035	–	*/
3036	–	public void testToCompletableFuture() {
3037	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3038	–	assertSame(f, f.toCompletableFuture());
3039	–	}
3040	–
3041	–	/**
3042	–	* whenComplete action executes on normal completion, propagating
3043	–	* source result.
3044	–	*/
3045	–	public void testWhenComplete1() {
3046	–	final AtomicInteger a = new AtomicInteger();
3047	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3048	–	CompletableFuture<Integer> g =
3049	–	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3050	–	f.complete(three);
3051	–	checkCompletedNormally(f, three);
3052	–	checkCompletedNormally(g, three);
3053	–	assertEquals(a.get(), 1);
3054	–	}
3055	–
3056	–	/**
3057	–	* whenComplete action executes on exceptional completion, propagating
3058	–	* source result.
3059	–	*/
3060	–	public void testWhenComplete2() {
3061	–	final AtomicInteger a = new AtomicInteger();
3062	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3063	–	CompletableFuture<Integer> g =
3064	–	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3065	–	f.completeExceptionally(new CFException());
3066	–	assertTrue(f.isCompletedExceptionally());
3067	–	assertTrue(g.isCompletedExceptionally());
3068	–	assertEquals(a.get(), 1);
3069	–	}
3070	–
3071	–	/**
3072	–	* If a whenComplete action throws an exception when triggered by
3073	–	* a normal completion, it completes exceptionally
3074	–	*/
3075	–	public void testWhenComplete3() {
3076	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3077	–	CompletableFuture<Integer> g =
3078	–	f.whenComplete((Integer x, Throwable t) ->
3079	–	{ throw new CFException(); } );
3080	–	f.complete(three);
3081	–	checkCompletedNormally(f, three);
3082	–	assertTrue(g.isCompletedExceptionally());
3083	–	checkCompletedWithWrappedCFException(g);
3084	–	}
3813
3814	<	/**
3815	<	* whenCompleteAsync action executes on normal completion, propagating
3816	<	* source result.
3817	<	*/
3818	<	public void testWhenCompleteAsync1() {
3819	<	final AtomicInteger a = new AtomicInteger();
3820	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3821	<	CompletableFuture<Integer> g =
3822	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3823	<	f.complete(three);
3824	<	checkCompletedNormally(f, three);
3825	<	checkCompletedNormally(g, three);
3826	<	assertEquals(a.get(), 1);
3827	<	}
3828	<
3829	<	/**
3830	<	* whenCompleteAsync action executes on exceptional completion, propagating
3831	<	* source result.
3104	<	*/
3105	<	public void testWhenCompleteAsync2() {
3106	<	final AtomicInteger a = new AtomicInteger();
3107	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3108	<	CompletableFuture<Integer> g =
3109	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3110	<	f.completeExceptionally(new CFException());
3111	<	checkCompletedWithWrappedCFException(f);
3112	<	checkCompletedWithWrappedCFException(g);
3113	<	}
3814	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
3815	>	CompletableFuture<T> g) {
3816	>	T fval = null, gval = null;
3817	>	Throwable fex = null, gex = null;
3818	>
3819	>	try { fval = f.get(); }
3820	>	catch (ExecutionException ex) { fex = ex.getCause(); }
3821	>	catch (Throwable ex) { fex = ex; }
3822	>
3823	>	try { gval = g.get(); }
3824	>	catch (ExecutionException ex) { gex = ex.getCause(); }
3825	>	catch (Throwable ex) { gex = ex; }
3826	>
3827	>	if (fex != null || gex != null)
3828	>	assertSame(fex.getClass(), gex.getClass());
3829	>	else
3830	>	assertEquals(fval, gval);
3831	>	}
3832
3833	<	/**
3834	<	* If a whenCompleteAsync action throws an exception when
3835	<	* triggered by a normal completion, it completes exceptionally
3118	<	*/
3119	<	public void testWhenCompleteAsync3() {
3120	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3121	<	CompletableFuture<Integer> g =
3122	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3123	<	{ throw new CFException(); } );
3124	<	f.complete(three);
3125	<	checkCompletedNormally(f, three);
3126	<	checkCompletedWithWrappedCFException(g);
3127	<	}
3833	>	static class PlusFuture<T> extends CompletableFuture<T> {
3834	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3835	>	}
3836
3837	<	/**
3838	<	* whenCompleteAsync action executes on normal completion, propagating
3839	<	* source result.
3840	<	*/
3841	<	public void testWhenCompleteAsync1e() {
3842	<	final AtomicInteger a = new AtomicInteger();
3843	<	ThreadExecutor exec = new ThreadExecutor();
3844	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3845	<	CompletableFuture<Integer> g =
3846	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3847	<	exec);
3848	<	f.complete(three);
3849	<	checkCompletedNormally(f, three);
3850	<	checkCompletedNormally(g, three);
3851	<	assertEquals(a.get(), 1);
3837	>	/** Implements "monadic plus". */
3838	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3839	>	CompletableFuture<? extends T> g) {
3840	>	PlusFuture<T> plus = new PlusFuture<T>();
3841	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3842	>	try {
3843	>	if (ex == null) {
3844	>	if (plus.complete(result))
3845	>	if (plus.firstFailure.get() != null)
3846	>	plus.firstFailure.set(null);
3847	>	}
3848	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
3849	>	if (plus.isDone())
3850	>	plus.firstFailure.set(null);
3851	>	}
3852	>	else {
3853	>	// first failure has precedence
3854	>	Throwable first = plus.firstFailure.getAndSet(null);
3855	>
3856	>	// may fail with "Self-suppression not permitted"
3857	>	try { first.addSuppressed(ex); }
3858	>	catch (Exception ignored) {}
3859	>
3860	>	plus.completeExceptionally(first);
3861	>	}
3862	>	} catch (Throwable unexpected) {
3863	>	plus.completeExceptionally(unexpected);
3864	>	}
3865	>	};
3866	>	f.whenComplete(action);
3867	>	g.whenComplete(action);
3868	>	return plus;
3869	>	}
3870		}
3871
3872		/**
3873	<	* whenCompleteAsync action executes on exceptional completion, propagating
3874	<	* source result.
3873	>	* CompletableFuture is an additive monad - sort of.
3874	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3875		*/
3876	<	public void testWhenCompleteAsync2e() {
3877	<	final AtomicInteger a = new AtomicInteger();
3878	<	ThreadExecutor exec = new ThreadExecutor();
3879	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3880	<	CompletableFuture<Integer> g =
3881	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3882	<	exec);
3883	<	f.completeExceptionally(new CFException());
3884	<	checkCompletedWithWrappedCFException(f);
3885	<	checkCompletedWithWrappedCFException(g);
3886	<	}
3876	>	public void testAdditiveMonad() throws Throwable {
3877	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3878	>	CompletableFuture<Long> zero = Monad.zero();
3879	>
3880	>	// Some mutually non-commutative functions
3881	>	Function<Long, CompletableFuture<Long>> triple
3882	>	= (x) -> Monad.unit(3 * x);
3883	>	Function<Long, CompletableFuture<Long>> inc
3884	>	= (x) -> Monad.unit(x + 1);
3885	>
3886	>	// unit is a right identity: m >>= unit === m
3887	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3888	>	inc.apply(5L));
3889	>	// unit is a left identity: (unit x) >>= f === f x
3890	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3891	>	inc.apply(5L));
3892	>
3893	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3894	>	Monad.assertFutureEquals(
3895	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3896	>	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3897	>
3898	>	// The case for CompletableFuture as an additive monad is weaker...
3899	>
3900	>	// zero is a monadic zero
3901	>	Monad.assertZero(zero);
3902	>
3903	>	// left zero: zero >>= f === zero
3904	>	Monad.assertZero(zero.thenCompose(inc));
3905	>	// right zero: f >>= (\x -> zero) === zero
3906	>	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3907	>
3908	>	// f plus zero === f
3909	>	Monad.assertFutureEquals(Monad.unit(5L),
3910	>	Monad.plus(Monad.unit(5L), zero));
3911	>	// zero plus f === f
3912	>	Monad.assertFutureEquals(Monad.unit(5L),
3913	>	Monad.plus(zero, Monad.unit(5L)));
3914	>	// zero plus zero === zero
3915	>	Monad.assertZero(Monad.plus(zero, zero));
3916	>	{
3917	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3918	>	Monad.unit(8L));
3919	>	// non-determinism
3920	>	assertTrue(f.get() == 5L || f.get() == 8L);
3921	>	}
3922
3923	<	/**
3924	<	* If a whenCompleteAsync action throws an exception when triggered
3925	<	* by a normal completion, it completes exceptionally
3926	<	*/
3927	<	public void testWhenCompleteAsync3e() {
3928	<	ThreadExecutor exec = new ThreadExecutor();
3929	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3169	<	CompletableFuture<Integer> g =
3170	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3171	<	{ throw new CFException(); },
3172	<	exec);
3173	<	f.complete(three);
3174	<	checkCompletedNormally(f, three);
3175	<	checkCompletedWithWrappedCFException(g);
3923	>	CompletableFuture<Long> godot = new CompletableFuture<>();
3924	>	// f plus godot === f (doesn't wait for godot)
3925	>	Monad.assertFutureEquals(Monad.unit(5L),
3926	>	Monad.plus(Monad.unit(5L), godot));
3927	>	// godot plus f === f (doesn't wait for godot)
3928	>	Monad.assertFutureEquals(Monad.unit(5L),
3929	>	Monad.plus(godot, Monad.unit(5L)));
3930		}
3931
3932		/**
3933	<	* handleAsync action completes normally with function value on
3934	<	* either normal or exceptional completion of source
3935	<	*/
3936	<	public void testHandleAsync() {
3937	<	CompletableFuture<Integer> f, g;
3938	<	IntegerHandler r;
3939	<
3940	<	f = new CompletableFuture<>();
3941	<	g = f.handleAsync(r = new IntegerHandler());
3942	<	assertFalse(r.ran);
3943	<	f.completeExceptionally(new CFException());
3944	<	checkCompletedWithWrappedCFException(f);
3945	<	checkCompletedNormally(g, three);
3946	<	assertTrue(r.ran);
3947	<
3948	<	f = new CompletableFuture<>();
3949	<	g = f.handleAsync(r = new IntegerHandler());
3950	<	assertFalse(r.ran);
3951	<	f.completeExceptionally(new CFException());
3952	<	checkCompletedWithWrappedCFException(f);
3953	<	checkCompletedNormally(g, three);
3954	<	assertTrue(r.ran);
3955	<
3956	<	f = new CompletableFuture<>();
3957	<	g = f.handleAsync(r = new IntegerHandler());
3958	<	assertFalse(r.ran);
3959	<	f.complete(one);
3960	<	checkCompletedNormally(f, one);
3961	<	checkCompletedNormally(g, two);
3208	<	assertTrue(r.ran);
3209	<
3210	<	f = new CompletableFuture<>();
3211	<	g = f.handleAsync(r = new IntegerHandler());
3212	<	assertFalse(r.ran);
3213	<	f.complete(one);
3214	<	checkCompletedNormally(f, one);
3215	<	checkCompletedNormally(g, two);
3216	<	assertTrue(r.ran);
3933	>	* A single CompletableFuture with many dependents.
3934	>	* A demo of scalability - runtime is O(n).
3935	>	*/
3936	>	public void testManyDependents() throws Throwable {
3937	>	final int n = 1_000;
3938	>	final CompletableFuture<Void> head = new CompletableFuture<>();
3939	>	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
3940	>	final AtomicInteger count = new AtomicInteger(0);
3941	>	for (int i = 0; i < n; i++) {
3942	>	head.thenRun(() -> count.getAndIncrement());
3943	>	head.thenAccept((x) -> count.getAndIncrement());
3944	>	head.thenApply((x) -> count.getAndIncrement());
3945	>
3946	>	head.runAfterBoth(complete, () -> count.getAndIncrement());
3947	>	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
3948	>	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
3949	>	complete.runAfterBoth(head, () -> count.getAndIncrement());
3950	>	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
3951	>	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
3952	>
3953	>	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
3954	>	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3955	>	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3956	>	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
3957	>	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
3958	>	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
3959	>	}
3960	>	head.complete(null);
3961	>	assertEquals(5 * 3 * n, count.get());
3962		}
3963
3964	<	/**
3965	<	* handleAsync action with Executor completes normally with
3966	<	* function value on either normal or exceptional completion of
3967	<	* source
3968	<	*/
3969	<	public void testHandleAsync2() {
3970	<	CompletableFuture<Integer> f, g;
3971	<	ThreadExecutor exec = new ThreadExecutor();
3972	<	IntegerHandler r;
3973	<
3974	<	f = new CompletableFuture<>();
3975	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3976	<	assertFalse(r.ran);
3977	<	f.completeExceptionally(new CFException());
3978	<	checkCompletedWithWrappedCFException(f);
3979	<	checkCompletedNormally(g, three);
3980	<	assertTrue(r.ran);
3981	<
3982	<	f = new CompletableFuture<>();
3983	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3984	<	assertFalse(r.ran);
3985	<	f.completeExceptionally(new CFException());
3986	<	checkCompletedWithWrappedCFException(f);
3242	<	checkCompletedNormally(g, three);
3243	<	assertTrue(r.ran);
3244	<
3245	<	f = new CompletableFuture<>();
3246	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3247	<	assertFalse(r.ran);
3248	<	f.complete(one);
3249	<	checkCompletedNormally(f, one);
3250	<	checkCompletedNormally(g, two);
3251	<	assertTrue(r.ran);
3252	<
3253	<	f = new CompletableFuture<>();
3254	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3255	<	assertFalse(r.ran);
3256	<	f.complete(one);
3257	<	checkCompletedNormally(f, one);
3258	<	checkCompletedNormally(g, two);
3259	<	assertTrue(r.ran);
3260	<	}
3964	>	//     static <U> U join(CompletionStage<U> stage) {
3965	>	//         CompletableFuture<U> f = new CompletableFuture<>();
3966	>	//         stage.whenComplete((v, ex) -> {
3967	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3968	>	//         });
3969	>	//         return f.join();
3970	>	//     }
3971	>
3972	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
3973	>	//         CompletableFuture<U> f = new CompletableFuture<>();
3974	>	//         stage.whenComplete((v, ex) -> {
3975	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3976	>	//         });
3977	>	//         return f.isDone();
3978	>	//     }
3979	>
3980	>	//     static <U> U join2(CompletionStage<U> stage) {
3981	>	//         return stage.toCompletableFuture().copy().join();
3982	>	//     }
3983	>
3984	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3985	>	//         return stage.toCompletableFuture().copy().isDone();
3986	>	//     }
3987
3988		}

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