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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.28 by jsr166, Sun Jul 14 16:34:49 2013 UTC vs.
Revision 1.145 by jsr166, Mon Apr 11 06:23:38 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	>	assertEquals(defaultExecutorIsCommonPool,
644	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
645	>	}
646	>	public CompletableFuture<Void> runAsync(Runnable a) {
647	>	return CompletableFuture.runAsync(a);
648	>	}
649	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
650	>	return CompletableFuture.supplyAsync(a);
651	>	}
652	>	public <T> CompletableFuture<Void> thenRun
653	>	(CompletableFuture<T> f, Runnable a) {
654	>	return f.thenRunAsync(a);
655	>	}
656	>	public <T> CompletableFuture<Void> thenAccept
657	>	(CompletableFuture<T> f, Consumer<? super T> a) {
658	>	return f.thenAcceptAsync(a);
659	>	}
660	>	public <T,U> CompletableFuture<U> thenApply
661	>	(CompletableFuture<T> f, Function<? super T,U> a) {
662	>	return f.thenApplyAsync(a);
663	>	}
664	>	public <T,U> CompletableFuture<U> thenCompose
665	>	(CompletableFuture<T> f,
666	>	Function<? super T,? extends CompletionStage<U>> a) {
667	>	return f.thenComposeAsync(a);
668	>	}
669	>	public <T,U> CompletableFuture<U> handle
670	>	(CompletableFuture<T> f,
671	>	BiFunction<? super T,Throwable,? extends U> a) {
672	>	return f.handleAsync(a);
673	>	}
674	>	public <T> CompletableFuture<T> whenComplete
675	>	(CompletableFuture<T> f,
676	>	BiConsumer<? super T,? super Throwable> a) {
677	>	return f.whenCompleteAsync(a);
678	>	}
679	>	public <T,U> CompletableFuture<Void> runAfterBoth
680	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
681	>	return f.runAfterBothAsync(g, a);
682	>	}
683	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
684	>	(CompletableFuture<T> f,
685	>	CompletionStage<? extends U> g,
686	>	BiConsumer<? super T,? super U> a) {
687	>	return f.thenAcceptBothAsync(g, a);
688	>	}
689	>	public <T,U,V> CompletableFuture<V> thenCombine
690	>	(CompletableFuture<T> f,
691	>	CompletionStage<? extends U> g,
692	>	BiFunction<? super T,? super U,? extends V> a) {
693	>	return f.thenCombineAsync(g, a);
694	>	}
695	>	public <T> CompletableFuture<Void> runAfterEither
696	>	(CompletableFuture<T> f,
697	>	CompletionStage<?> g,
698	>	java.lang.Runnable a) {
699	>	return f.runAfterEitherAsync(g, a);
700	>	}
701	>	public <T> CompletableFuture<Void> acceptEither
702	>	(CompletableFuture<T> f,
703	>	CompletionStage<? extends T> g,
704	>	Consumer<? super T> a) {
705	>	return f.acceptEitherAsync(g, a);
706	>	}
707	>	public <T,U> CompletableFuture<U> applyToEither
708	>	(CompletableFuture<T> f,
709	>	CompletionStage<? extends T> g,
710	>	Function<? super T,U> a) {
711	>	return f.applyToEitherAsync(g, a);
712	>	}
713	>	},
714	>
715	>	EXECUTOR {
716	>	public void checkExecutionMode() {
717	>	assertTrue(ThreadExecutor.startedCurrentThread());
718	>	}
719	>	public CompletableFuture<Void> runAsync(Runnable a) {
720	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
721	>	}
722	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
723	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
724	>	}
725	>	public <T> CompletableFuture<Void> thenRun
726	>	(CompletableFuture<T> f, Runnable a) {
727	>	return f.thenRunAsync(a, new ThreadExecutor());
728	>	}
729	>	public <T> CompletableFuture<Void> thenAccept
730	>	(CompletableFuture<T> f, Consumer<? super T> a) {
731	>	return f.thenAcceptAsync(a, new ThreadExecutor());
732	>	}
733	>	public <T,U> CompletableFuture<U> thenApply
734	>	(CompletableFuture<T> f, Function<? super T,U> a) {
735	>	return f.thenApplyAsync(a, new ThreadExecutor());
736	>	}
737	>	public <T,U> CompletableFuture<U> thenCompose
738	>	(CompletableFuture<T> f,
739	>	Function<? super T,? extends CompletionStage<U>> a) {
740	>	return f.thenComposeAsync(a, new ThreadExecutor());
741	>	}
742	>	public <T,U> CompletableFuture<U> handle
743	>	(CompletableFuture<T> f,
744	>	BiFunction<? super T,Throwable,? extends U> a) {
745	>	return f.handleAsync(a, new ThreadExecutor());
746	>	}
747	>	public <T> CompletableFuture<T> whenComplete
748	>	(CompletableFuture<T> f,
749	>	BiConsumer<? super T,? super Throwable> a) {
750	>	return f.whenCompleteAsync(a, new ThreadExecutor());
751	>	}
752	>	public <T,U> CompletableFuture<Void> runAfterBoth
753	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
754	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
755	>	}
756	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
757	>	(CompletableFuture<T> f,
758	>	CompletionStage<? extends U> g,
759	>	BiConsumer<? super T,? super U> a) {
760	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
761	>	}
762	>	public <T,U,V> CompletableFuture<V> thenCombine
763	>	(CompletableFuture<T> f,
764	>	CompletionStage<? extends U> g,
765	>	BiFunction<? super T,? super U,? extends V> a) {
766	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
767	>	}
768	>	public <T> CompletableFuture<Void> runAfterEither
769	>	(CompletableFuture<T> f,
770	>	CompletionStage<?> g,
771	>	java.lang.Runnable a) {
772	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
773	>	}
774	>	public <T> CompletableFuture<Void> acceptEither
775	>	(CompletableFuture<T> f,
776	>	CompletionStage<? extends T> g,
777	>	Consumer<? super T> a) {
778	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
779	>	}
780	>	public <T,U> CompletableFuture<U> applyToEither
781	>	(CompletableFuture<T> f,
782	>	CompletionStage<? extends T> g,
783	>	Function<? super T,U> a) {
784	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
785	>	}
786	>	};
787	>
788	>	public abstract void checkExecutionMode();
789	>	public abstract CompletableFuture<Void> runAsync(Runnable a);
790	>	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
791	>	public abstract <T> CompletableFuture<Void> thenRun
792	>	(CompletableFuture<T> f, Runnable a);
793	>	public abstract <T> CompletableFuture<Void> thenAccept
794	>	(CompletableFuture<T> f, Consumer<? super T> a);
795	>	public abstract <T,U> CompletableFuture<U> thenApply
796	>	(CompletableFuture<T> f, Function<? super T,U> a);
797	>	public abstract <T,U> CompletableFuture<U> thenCompose
798	>	(CompletableFuture<T> f,
799	>	Function<? super T,? extends CompletionStage<U>> a);
800	>	public abstract <T,U> CompletableFuture<U> handle
801	>	(CompletableFuture<T> f,
802	>	BiFunction<? super T,Throwable,? extends U> a);
803	>	public abstract <T> CompletableFuture<T> whenComplete
804	>	(CompletableFuture<T> f,
805	>	BiConsumer<? super T,? super Throwable> a);
806	>	public abstract <T,U> CompletableFuture<Void> runAfterBoth
807	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
808	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
809	>	(CompletableFuture<T> f,
810	>	CompletionStage<? extends U> g,
811	>	BiConsumer<? super T,? super U> a);
812	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
813	>	(CompletableFuture<T> f,
814	>	CompletionStage<? extends U> g,
815	>	BiFunction<? super T,? super U,? extends V> a);
816	>	public abstract <T> CompletableFuture<Void> runAfterEither
817	>	(CompletableFuture<T> f,
818	>	CompletionStage<?> g,
819	>	java.lang.Runnable a);
820	>	public abstract <T> CompletableFuture<Void> acceptEither
821	>	(CompletableFuture<T> f,
822	>	CompletionStage<? extends T> g,
823	>	Consumer<? super T> a);
824	>	public abstract <T,U> CompletableFuture<U> applyToEither
825	>	(CompletableFuture<T> f,
826	>	CompletionStage<? extends T> g,
827	>	Function<? super T,U> a);
828	>	}
829	>
830	>	/**
831	>	* exceptionally action is not invoked when source completes
832	>	* normally, and source result is propagated
833	>	*/
834	>	public void testExceptionally_normalCompletion() {
835	>	for (boolean createIncomplete : new boolean[] { true, false })
836	>	for (Integer v1 : new Integer[] { 1, null })
837	>	{
838	>	final AtomicInteger a = new AtomicInteger(0);
839	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
840	>	if (!createIncomplete) assertTrue(f.complete(v1));
841	>	final CompletableFuture<Integer> g = f.exceptionally
842	>	((Throwable t) -> {
843	>	a.getAndIncrement();
844	>	threadFail("should not be called");
845	>	return null;            // unreached
846	>	});
847	>	if (createIncomplete) assertTrue(f.complete(v1));
848	>
849	>	checkCompletedNormally(g, v1);
850	>	checkCompletedNormally(f, v1);
851	>	assertEquals(0, a.get());
852	>	}}
853
854		/**
855		* exceptionally action completes with function value on source
856	<	* exception;  otherwise with source value
856	>	* exception
857		*/
858	<	public void testExceptionally() {
859	<	CompletableFuture<Integer> f = new CompletableFuture<>();
860	<	ExceptionToInteger r = new ExceptionToInteger();
861	<	CompletableFuture<Integer> g = f.exceptionally(r);
862	<	f.completeExceptionally(new CFException());
863	<	checkCompletedNormally(g, three);
858	>	public void testExceptionally_exceptionalCompletion() {
859	>	for (boolean createIncomplete : new boolean[] { true, false })
860	>	for (Integer v1 : new Integer[] { 1, null })
861	>	{
862	>	final AtomicInteger a = new AtomicInteger(0);
863	>	final CFException ex = new CFException();
864	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
865	>	if (!createIncomplete) f.completeExceptionally(ex);
866	>	final CompletableFuture<Integer> g = f.exceptionally
867	>	((Throwable t) -> {
868	>	ExecutionMode.SYNC.checkExecutionMode();
869	>	threadAssertSame(t, ex);
870	>	a.getAndIncrement();
871	>	return v1;
872	>	});
873	>	if (createIncomplete) f.completeExceptionally(ex);
874	>
875	>	checkCompletedNormally(g, v1);
876	>	assertEquals(1, a.get());
877	>	}}
878	>
879	>	/**
880	>	* If an "exceptionally action" throws an exception, it completes
881	>	* exceptionally with that exception
882	>	*/
883	>	public void testExceptionally_exceptionalCompletionActionFailed() {
884	>	for (boolean createIncomplete : new boolean[] { true, false })
885	>	{
886	>	final AtomicInteger a = new AtomicInteger(0);
887	>	final CFException ex1 = new CFException();
888	>	final CFException ex2 = new CFException();
889	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
890	>	if (!createIncomplete) f.completeExceptionally(ex1);
891	>	final CompletableFuture<Integer> g = f.exceptionally
892	>	((Throwable t) -> {
893	>	ExecutionMode.SYNC.checkExecutionMode();
894	>	threadAssertSame(t, ex1);
895	>	a.getAndIncrement();
896	>	throw ex2;
897	>	});
898	>	if (createIncomplete) f.completeExceptionally(ex1);
899	>
900	>	checkCompletedWithWrappedException(g, ex2);
901	>	checkCompletedExceptionally(f, ex1);
902	>	assertEquals(1, a.get());
903	>	}}
904
905	<	f = new CompletableFuture<>();
906	<	r = new ExceptionToInteger();
907	<	g = f.exceptionally(r);
908	<	f.complete(one);
909	<	checkCompletedNormally(g, one);
910	<	}
905	>	/**
906	>	* whenComplete action executes on normal completion, propagating
907	>	* source result.
908	>	*/
909	>	public void testWhenComplete_normalCompletion() {
910	>	for (ExecutionMode m : ExecutionMode.values())
911	>	for (boolean createIncomplete : new boolean[] { true, false })
912	>	for (Integer v1 : new Integer[] { 1, null })
913	>	{
914	>	final AtomicInteger a = new AtomicInteger(0);
915	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
916	>	if (!createIncomplete) assertTrue(f.complete(v1));
917	>	final CompletableFuture<Integer> g = m.whenComplete
918	>	(f,
919	>	(Integer result, Throwable t) -> {
920	>	m.checkExecutionMode();
921	>	threadAssertSame(result, v1);
922	>	threadAssertNull(t);
923	>	a.getAndIncrement();
924	>	});
925	>	if (createIncomplete) assertTrue(f.complete(v1));
926	>
927	>	checkCompletedNormally(g, v1);
928	>	checkCompletedNormally(f, v1);
929	>	assertEquals(1, a.get());
930	>	}}
931
932		/**
933	<	* handle action completes normally with function value on either
934	<	* normal or exceptional completion of source
933	>	* whenComplete action executes on exceptional completion, propagating
934	>	* source result.
935		*/
936	<	public void testHandle() {
937	<	CompletableFuture<Integer> f, g;
938	<	IntegerHandler r;
936	>	public void testWhenComplete_exceptionalCompletion() {
937	>	for (ExecutionMode m : ExecutionMode.values())
938	>	for (boolean createIncomplete : new boolean[] { true, false })
939	>	{
940	>	final AtomicInteger a = new AtomicInteger(0);
941	>	final CFException ex = new CFException();
942	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
943	>	if (!createIncomplete) f.completeExceptionally(ex);
944	>	final CompletableFuture<Integer> g = m.whenComplete
945	>	(f,
946	>	(Integer result, Throwable t) -> {
947	>	m.checkExecutionMode();
948	>	threadAssertNull(result);
949	>	threadAssertSame(t, ex);
950	>	a.getAndIncrement();
951	>	});
952	>	if (createIncomplete) f.completeExceptionally(ex);
953	>
954	>	checkCompletedWithWrappedException(g, ex);
955	>	checkCompletedExceptionally(f, ex);
956	>	assertEquals(1, a.get());
957	>	}}
958	>
959	>	/**
960	>	* whenComplete action executes on cancelled source, propagating
961	>	* CancellationException.
962	>	*/
963	>	public void testWhenComplete_sourceCancelled() {
964	>	for (ExecutionMode m : ExecutionMode.values())
965	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
966	>	for (boolean createIncomplete : new boolean[] { true, false })
967	>	{
968	>	final AtomicInteger a = new AtomicInteger(0);
969	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
970	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
971	>	final CompletableFuture<Integer> g = m.whenComplete
972	>	(f,
973	>	(Integer result, Throwable t) -> {
974	>	m.checkExecutionMode();
975	>	threadAssertNull(result);
976	>	threadAssertTrue(t instanceof CancellationException);
977	>	a.getAndIncrement();
978	>	});
979	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
980
981	<	f = new CompletableFuture<>();
982	<	f.completeExceptionally(new CFException());
983	<	g = f.handle(r = new IntegerHandler());
984	<	assertTrue(r.ran);
406	<	checkCompletedNormally(g, three);
981	>	checkCompletedWithWrappedCancellationException(g);
982	>	checkCancelled(f);
983	>	assertEquals(1, a.get());
984	>	}}
985
986	<	f = new CompletableFuture<>();
987	<	g = f.handle(r = new IntegerHandler());
988	<	assertFalse(r.ran);
989	<	f.completeExceptionally(new CFException());
990	<	checkCompletedNormally(g, three);
991	<	assertTrue(r.ran);
986	>	/**
987	>	* If a whenComplete action throws an exception when triggered by
988	>	* a normal completion, it completes exceptionally
989	>	*/
990	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
991	>	for (boolean createIncomplete : new boolean[] { true, false })
992	>	for (ExecutionMode m : ExecutionMode.values())
993	>	for (Integer v1 : new Integer[] { 1, null })
994	>	{
995	>	final AtomicInteger a = new AtomicInteger(0);
996	>	final CFException ex = new CFException();
997	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
998	>	if (!createIncomplete) assertTrue(f.complete(v1));
999	>	final CompletableFuture<Integer> g = m.whenComplete
1000	>	(f,
1001	>	(Integer result, Throwable t) -> {
1002	>	m.checkExecutionMode();
1003	>	threadAssertSame(result, v1);
1004	>	threadAssertNull(t);
1005	>	a.getAndIncrement();
1006	>	throw ex;
1007	>	});
1008	>	if (createIncomplete) assertTrue(f.complete(v1));
1009	>
1010	>	checkCompletedWithWrappedException(g, ex);
1011	>	checkCompletedNormally(f, v1);
1012	>	assertEquals(1, a.get());
1013	>	}}
1014
1015	<	f = new CompletableFuture<>();
1016	<	f.complete(one);
1017	<	g = f.handle(r = new IntegerHandler());
1018	<	assertTrue(r.ran);
1019	<	checkCompletedNormally(g, two);
1015	>	/**
1016	>	* If a whenComplete action throws an exception when triggered by
1017	>	* a source completion that also throws an exception, the source
1018	>	* exception takes precedence (unlike handle)
1019	>	*/
1020	>	public void testWhenComplete_sourceFailedActionFailed() {
1021	>	for (boolean createIncomplete : new boolean[] { true, false })
1022	>	for (ExecutionMode m : ExecutionMode.values())
1023	>	{
1024	>	final AtomicInteger a = new AtomicInteger(0);
1025	>	final CFException ex1 = new CFException();
1026	>	final CFException ex2 = new CFException();
1027	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1028	>
1029	>	if (!createIncomplete) f.completeExceptionally(ex1);
1030	>	final CompletableFuture<Integer> g = m.whenComplete
1031	>	(f,
1032	>	(Integer result, Throwable t) -> {
1033	>	m.checkExecutionMode();
1034	>	threadAssertSame(t, ex1);
1035	>	threadAssertNull(result);
1036	>	a.getAndIncrement();
1037	>	throw ex2;
1038	>	});
1039	>	if (createIncomplete) f.completeExceptionally(ex1);
1040	>
1041	>	checkCompletedWithWrappedException(g, ex1);
1042	>	checkCompletedExceptionally(f, ex1);
1043	>	if (testImplementationDetails) {
1044	>	assertEquals(1, ex1.getSuppressed().length);
1045	>	assertSame(ex2, ex1.getSuppressed()[0]);
1046	>	}
1047	>	assertEquals(1, a.get());
1048	>	}}
1049
1050	<	f = new CompletableFuture<>();
1051	<	g = f.handle(r = new IntegerHandler());
1052	<	assertFalse(r.ran);
1053	<	f.complete(one);
1054	<	assertTrue(r.ran);
1055	<	checkCompletedNormally(g, two);
1056	<	}
1050	>	/**
1051	>	* handle action completes normally with function value on normal
1052	>	* completion of source
1053	>	*/
1054	>	public void testHandle_normalCompletion() {
1055	>	for (ExecutionMode m : ExecutionMode.values())
1056	>	for (boolean createIncomplete : new boolean[] { true, false })
1057	>	for (Integer v1 : new Integer[] { 1, null })
1058	>	{
1059	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1060	>	final AtomicInteger a = new AtomicInteger(0);
1061	>	if (!createIncomplete) assertTrue(f.complete(v1));
1062	>	final CompletableFuture<Integer> g = m.handle
1063	>	(f,
1064	>	(Integer result, Throwable t) -> {
1065	>	m.checkExecutionMode();
1066	>	threadAssertSame(result, v1);
1067	>	threadAssertNull(t);
1068	>	a.getAndIncrement();
1069	>	return inc(v1);
1070	>	});
1071	>	if (createIncomplete) assertTrue(f.complete(v1));
1072	>
1073	>	checkCompletedNormally(g, inc(v1));
1074	>	checkCompletedNormally(f, v1);
1075	>	assertEquals(1, a.get());
1076	>	}}
1077
1078		/**
1079	<	* runAsync completes after running Runnable
1079	>	* handle action completes normally with function value on
1080	>	* exceptional completion of source
1081		*/
1082	<	public void testRunAsync() {
1083	<	Noop r = new Noop();
1084	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1085	<	assertNull(f.join());
1086	<	assertTrue(r.ran);
1087	<	checkCompletedNormally(f, null);
1088	<	}
1082	>	public void testHandle_exceptionalCompletion() {
1083	>	for (ExecutionMode m : ExecutionMode.values())
1084	>	for (boolean createIncomplete : new boolean[] { true, false })
1085	>	for (Integer v1 : new Integer[] { 1, null })
1086	>	{
1087	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1088	>	final AtomicInteger a = new AtomicInteger(0);
1089	>	final CFException ex = new CFException();
1090	>	if (!createIncomplete) f.completeExceptionally(ex);
1091	>	final CompletableFuture<Integer> g = m.handle
1092	>	(f,
1093	>	(Integer result, Throwable t) -> {
1094	>	m.checkExecutionMode();
1095	>	threadAssertNull(result);
1096	>	threadAssertSame(t, ex);
1097	>	a.getAndIncrement();
1098	>	return v1;
1099	>	});
1100	>	if (createIncomplete) f.completeExceptionally(ex);
1101	>
1102	>	checkCompletedNormally(g, v1);
1103	>	checkCompletedExceptionally(f, ex);
1104	>	assertEquals(1, a.get());
1105	>	}}
1106	>
1107	>	/**
1108	>	* handle action completes normally with function value on
1109	>	* cancelled source
1110	>	*/
1111	>	public void testHandle_sourceCancelled() {
1112	>	for (ExecutionMode m : ExecutionMode.values())
1113	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1114	>	for (boolean createIncomplete : new boolean[] { true, false })
1115	>	for (Integer v1 : new Integer[] { 1, null })
1116	>	{
1117	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	>	final AtomicInteger a = new AtomicInteger(0);
1119	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1120	>	final CompletableFuture<Integer> g = m.handle
1121	>	(f,
1122	>	(Integer result, Throwable t) -> {
1123	>	m.checkExecutionMode();
1124	>	threadAssertNull(result);
1125	>	threadAssertTrue(t instanceof CancellationException);
1126	>	a.getAndIncrement();
1127	>	return v1;
1128	>	});
1129	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1130	>
1131	>	checkCompletedNormally(g, v1);
1132	>	checkCancelled(f);
1133	>	assertEquals(1, a.get());
1134	>	}}
1135
1136		/**
1137	<	* runAsync with executor completes after running Runnable
1137	>	* If a "handle action" throws an exception when triggered by
1138	>	* a normal completion, it completes exceptionally
1139		*/
1140	<	public void testRunAsync2() {
1141	<	Noop r = new Noop();
1142	<	ThreadExecutor exec = new ThreadExecutor();
1143	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
1140	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1141	>	for (ExecutionMode m : ExecutionMode.values())
1142	>	for (boolean createIncomplete : new boolean[] { true, false })
1143	>	for (Integer v1 : new Integer[] { 1, null })
1144	>	{
1145	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1146	>	final AtomicInteger a = new AtomicInteger(0);
1147	>	final CFException ex = new CFException();
1148	>	if (!createIncomplete) assertTrue(f.complete(v1));
1149	>	final CompletableFuture<Integer> g = m.handle
1150	>	(f,
1151	>	(Integer result, Throwable t) -> {
1152	>	m.checkExecutionMode();
1153	>	threadAssertSame(result, v1);
1154	>	threadAssertNull(t);
1155	>	a.getAndIncrement();
1156	>	throw ex;
1157	>	});
1158	>	if (createIncomplete) assertTrue(f.complete(v1));
1159	>
1160	>	checkCompletedWithWrappedException(g, ex);
1161	>	checkCompletedNormally(f, v1);
1162	>	assertEquals(1, a.get());
1163	>	}}
1164	>
1165	>	/**
1166	>	* If a "handle action" throws an exception when triggered by
1167	>	* a source completion that also throws an exception, the action
1168	>	* exception takes precedence (unlike whenComplete)
1169	>	*/
1170	>	public void testHandle_sourceFailedActionFailed() {
1171	>	for (boolean createIncomplete : new boolean[] { true, false })
1172	>	for (ExecutionMode m : ExecutionMode.values())
1173	>	{
1174	>	final AtomicInteger a = new AtomicInteger(0);
1175	>	final CFException ex1 = new CFException();
1176	>	final CFException ex2 = new CFException();
1177	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1178	>
1179	>	if (!createIncomplete) f.completeExceptionally(ex1);
1180	>	final CompletableFuture<Integer> g = m.handle
1181	>	(f,
1182	>	(Integer result, Throwable t) -> {
1183	>	m.checkExecutionMode();
1184	>	threadAssertNull(result);
1185	>	threadAssertSame(ex1, t);
1186	>	a.getAndIncrement();
1187	>	throw ex2;
1188	>	});
1189	>	if (createIncomplete) f.completeExceptionally(ex1);
1190	>
1191	>	checkCompletedWithWrappedException(g, ex2);
1192	>	checkCompletedExceptionally(f, ex1);
1193	>	assertEquals(1, a.get());
1194	>	}}
1195	>
1196	>	/**
1197	>	* runAsync completes after running Runnable
1198	>	*/
1199	>	public void testRunAsync_normalCompletion() {
1200	>	ExecutionMode[] executionModes = {
1201	>	ExecutionMode.ASYNC,
1202	>	ExecutionMode.EXECUTOR,
1203	>	};
1204	>	for (ExecutionMode m : executionModes)
1205	>	{
1206	>	final Noop r = new Noop(m);
1207	>	final CompletableFuture<Void> f = m.runAsync(r);
1208		assertNull(f.join());
448	–	assertTrue(r.ran);
1209		checkCompletedNormally(f, null);
1210	<	assertEquals(1, exec.count.get());
1211	<	}
1210	>	r.assertInvoked();
1211	>	}}
1212
1213		/**
1214		* failing runAsync completes exceptionally after running Runnable
1215		*/
1216	<	public void testRunAsync3() {
1217	<	FailingNoop r = new FailingNoop();
1218	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1216	>	public void testRunAsync_exceptionalCompletion() {
1217	>	ExecutionMode[] executionModes = {
1218	>	ExecutionMode.ASYNC,
1219	>	ExecutionMode.EXECUTOR,
1220	>	};
1221	>	for (ExecutionMode m : executionModes)
1222	>	{
1223	>	final FailingRunnable r = new FailingRunnable(m);
1224	>	final CompletableFuture<Void> f = m.runAsync(r);
1225		checkCompletedWithWrappedCFException(f);
1226	<	assertTrue(r.ran);
1227	<	}
1226	>	r.assertInvoked();
1227	>	}}
1228
1229		/**
1230		* supplyAsync completes with result of supplier
1231		*/
1232	<	public void testSupplyAsync() {
1233	<	CompletableFuture<Integer> f;
1234	<	f = CompletableFuture.supplyAsync(supplyOne);
1235	<	assertEquals(f.join(), one);
1236	<	checkCompletedNormally(f, one);
1237	<	}
1238	<
1239	<	/**
1240	<	* supplyAsync with executor completes with result of supplier
1241	<	*/
1242	<	public void testSupplyAsync2() {
1243	<	CompletableFuture<Integer> f;
1244	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1245	<	assertEquals(f.join(), one);
480	<	checkCompletedNormally(f, one);
481	<	}
1232	>	public void testSupplyAsync_normalCompletion() {
1233	>	ExecutionMode[] executionModes = {
1234	>	ExecutionMode.ASYNC,
1235	>	ExecutionMode.EXECUTOR,
1236	>	};
1237	>	for (ExecutionMode m : executionModes)
1238	>	for (Integer v1 : new Integer[] { 1, null })
1239	>	{
1240	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1241	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1242	>	assertSame(v1, f.join());
1243	>	checkCompletedNormally(f, v1);
1244	>	r.assertInvoked();
1245	>	}}
1246
1247		/**
1248		* Failing supplyAsync completes exceptionally
1249		*/
1250	<	public void testSupplyAsync3() {
1251	<	FailingSupplier r = new FailingSupplier();
1252	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1250	>	public void testSupplyAsync_exceptionalCompletion() {
1251	>	ExecutionMode[] executionModes = {
1252	>	ExecutionMode.ASYNC,
1253	>	ExecutionMode.EXECUTOR,
1254	>	};
1255	>	for (ExecutionMode m : executionModes)
1256	>	{
1257	>	FailingSupplier r = new FailingSupplier(m);
1258	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1259		checkCompletedWithWrappedCFException(f);
1260	<	assertTrue(r.ran);
1261	<	}
1260	>	r.assertInvoked();
1261	>	}}
1262
1263		// seq completion methods
1264
1265		/**
1266		* thenRun result completes normally after normal completion of source
1267		*/
1268	<	public void testThenRun() {
1269	<	CompletableFuture<Integer> f;
1270	<	CompletableFuture<Void> g;
1271	<	Noop r;
1272	<
1273	<	f = new CompletableFuture<>();
1274	<	g = f.thenRun(r = new Noop());
1275	<	f.complete(null);
1276	<	checkCompletedNormally(g, null);
1277	<	assertTrue(r.ran);
1278	<
1279	<	f = new CompletableFuture<>();
1280	<	f.complete(null);
1281	<	g = f.thenRun(r = new Noop());
1282	<	checkCompletedNormally(g, null);
1283	<	assertTrue(r.ran);
1284	<	}
1268	>	public void testThenRun_normalCompletion() {
1269	>	for (ExecutionMode m : ExecutionMode.values())
1270	>	for (Integer v1 : new Integer[] { 1, null })
1271	>	{
1272	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1273	>	final Noop[] rs = new Noop[6];
1274	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1275	>
1276	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1277	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1278	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1279	>	checkIncomplete(h0);
1280	>	checkIncomplete(h1);
1281	>	checkIncomplete(h2);
1282	>	assertTrue(f.complete(v1));
1283	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1284	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1285	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1286	>
1287	>	checkCompletedNormally(h0, null);
1288	>	checkCompletedNormally(h1, null);
1289	>	checkCompletedNormally(h2, null);
1290	>	checkCompletedNormally(h3, null);
1291	>	checkCompletedNormally(h4, null);
1292	>	checkCompletedNormally(h5, null);
1293	>	checkCompletedNormally(f, v1);
1294	>	for (Noop r : rs) r.assertInvoked();
1295	>	}}
1296
1297		/**
1298		* thenRun result completes exceptionally after exceptional
1299		* completion of source
1300		*/
1301	<	public void testThenRun2() {
1302	<	CompletableFuture<Integer> f;
1303	<	CompletableFuture<Void> g;
1304	<	Noop r;
1305	<
1306	<	f = new CompletableFuture<>();
1307	<	g = f.thenRun(r = new Noop());
1308	<	f.completeExceptionally(new CFException());
1309	<	checkCompletedWithWrappedCFException(g);
1310	<	assertFalse(r.ran);
1311	<
1312	<	f = new CompletableFuture<>();
1313	<	f.completeExceptionally(new CFException());
1314	<	g = f.thenRun(r = new Noop());
1315	<	checkCompletedWithWrappedCFException(g);
1316	<	assertFalse(r.ran);
1317	<	}
1301	>	public void testThenRun_exceptionalCompletion() {
1302	>	for (ExecutionMode m : ExecutionMode.values())
1303	>	{
1304	>	final CFException ex = new CFException();
1305	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1306	>	final Noop[] rs = new Noop[6];
1307	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1308	>
1309	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1310	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1311	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1312	>	checkIncomplete(h0);
1313	>	checkIncomplete(h1);
1314	>	checkIncomplete(h2);
1315	>	assertTrue(f.completeExceptionally(ex));
1316	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1317	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1318	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1319	>
1320	>	checkCompletedWithWrappedException(h0, ex);
1321	>	checkCompletedWithWrappedException(h1, ex);
1322	>	checkCompletedWithWrappedException(h2, ex);
1323	>	checkCompletedWithWrappedException(h3, ex);
1324	>	checkCompletedWithWrappedException(h4, ex);
1325	>	checkCompletedWithWrappedException(h5, ex);
1326	>	checkCompletedExceptionally(f, ex);
1327	>	for (Noop r : rs) r.assertNotInvoked();
1328	>	}}
1329
1330		/**
1331	<	* thenRun result completes exceptionally if action does
1331	>	* thenRun result completes exceptionally if source cancelled
1332		*/
1333	<	public void testThenRun3() {
1334	<	CompletableFuture<Integer> f;
1335	<	CompletableFuture<Void> g;
1336	<	FailingNoop r;
1337	<
1338	<	f = new CompletableFuture<>();
1339	<	g = f.thenRun(r = new FailingNoop());
1340	<	f.complete(null);
1341	<	checkCompletedWithWrappedCFException(g);
1342	<
1343	<	f = new CompletableFuture<>();
1344	<	f.complete(null);
1345	<	g = f.thenRun(r = new FailingNoop());
1346	<	checkCompletedWithWrappedCFException(g);
1347	<	}
1333	>	public void testThenRun_sourceCancelled() {
1334	>	for (ExecutionMode m : ExecutionMode.values())
1335	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1336	>	{
1337	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1338	>	final Noop[] rs = new Noop[6];
1339	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1340	>
1341	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1342	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1343	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1344	>	checkIncomplete(h0);
1345	>	checkIncomplete(h1);
1346	>	checkIncomplete(h2);
1347	>	assertTrue(f.cancel(mayInterruptIfRunning));
1348	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1349	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1350	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1351	>
1352	>	checkCompletedWithWrappedCancellationException(h0);
1353	>	checkCompletedWithWrappedCancellationException(h1);
1354	>	checkCompletedWithWrappedCancellationException(h2);
1355	>	checkCompletedWithWrappedCancellationException(h3);
1356	>	checkCompletedWithWrappedCancellationException(h4);
1357	>	checkCompletedWithWrappedCancellationException(h5);
1358	>	checkCancelled(f);
1359	>	for (Noop r : rs) r.assertNotInvoked();
1360	>	}}
1361
1362		/**
1363	<	* thenRun result completes exceptionally if source cancelled
1363	>	* thenRun result completes exceptionally if action does
1364		*/
1365	<	public void testThenRun4() {
1366	<	CompletableFuture<Integer> f;
1367	<	CompletableFuture<Void> g;
1368	<	Noop r;
1369	<
1370	<	f = new CompletableFuture<>();
1371	<	g = f.thenRun(r = new Noop());
1372	<	assertTrue(f.cancel(true));
1373	<	checkCompletedWithWrappedCancellationException(g);
1374	<
1375	<	f = new CompletableFuture<>();
1376	<	assertTrue(f.cancel(true));
1377	<	g = f.thenRun(r = new Noop());
1378	<	checkCompletedWithWrappedCancellationException(g);
1379	<	}
1365	>	public void testThenRun_actionFailed() {
1366	>	for (ExecutionMode m : ExecutionMode.values())
1367	>	for (Integer v1 : new Integer[] { 1, null })
1368	>	{
1369	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1370	>	final FailingRunnable[] rs = new FailingRunnable[6];
1371	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1372	>
1373	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1374	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1375	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1376	>	assertTrue(f.complete(v1));
1377	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1378	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1379	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1380	>
1381	>	checkCompletedWithWrappedCFException(h0);
1382	>	checkCompletedWithWrappedCFException(h1);
1383	>	checkCompletedWithWrappedCFException(h2);
1384	>	checkCompletedWithWrappedCFException(h3);
1385	>	checkCompletedWithWrappedCFException(h4);
1386	>	checkCompletedWithWrappedCFException(h5);
1387	>	checkCompletedNormally(f, v1);
1388	>	}}
1389
1390		/**
1391		* thenApply result completes normally after normal completion of source
1392		*/
1393	<	public void testThenApply() {
1394	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1395	<	CompletableFuture<Integer> g = f.thenApply(inc);
1396	<	f.complete(one);
1397	<	checkCompletedNormally(g, two);
1398	<	}
1393	>	public void testThenApply_normalCompletion() {
1394	>	for (ExecutionMode m : ExecutionMode.values())
1395	>	for (Integer v1 : new Integer[] { 1, null })
1396	>	{
1397	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1398	>	final IncFunction[] rs = new IncFunction[4];
1399	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1400	>
1401	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1402	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1403	>	checkIncomplete(h0);
1404	>	checkIncomplete(h1);
1405	>	assertTrue(f.complete(v1));
1406	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1407	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1408	>
1409	>	checkCompletedNormally(h0, inc(v1));
1410	>	checkCompletedNormally(h1, inc(v1));
1411	>	checkCompletedNormally(h2, inc(v1));
1412	>	checkCompletedNormally(h3, inc(v1));
1413	>	checkCompletedNormally(f, v1);
1414	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1415	>	}}
1416
1417		/**
1418		* thenApply result completes exceptionally after exceptional
1419		* completion of source
1420		*/
1421	<	public void testThenApply2() {
1422	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1423	<	CompletableFuture<Integer> g = f.thenApply(inc);
1424	<	f.completeExceptionally(new CFException());
1425	<	checkCompletedWithWrappedCFException(g);
1426	<	}
1421	>	public void testThenApply_exceptionalCompletion() {
1422	>	for (ExecutionMode m : ExecutionMode.values())
1423	>	{
1424	>	final CFException ex = new CFException();
1425	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1426	>	final IncFunction[] rs = new IncFunction[4];
1427	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1428	>
1429	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1430	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1431	>	assertTrue(f.completeExceptionally(ex));
1432	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1433	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1434	>
1435	>	checkCompletedWithWrappedException(h0, ex);
1436	>	checkCompletedWithWrappedException(h1, ex);
1437	>	checkCompletedWithWrappedException(h2, ex);
1438	>	checkCompletedWithWrappedException(h3, ex);
1439	>	checkCompletedExceptionally(f, ex);
1440	>	for (IncFunction r : rs) r.assertNotInvoked();
1441	>	}}
1442
1443		/**
1444	<	* thenApply result completes exceptionally if action does
1444	>	* thenApply result completes exceptionally if source cancelled
1445		*/
1446	<	public void testThenApply3() {
1447	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1448	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1449	<	f.complete(one);
1450	<	checkCompletedWithWrappedCFException(g);
1451	<	}
1446	>	public void testThenApply_sourceCancelled() {
1447	>	for (ExecutionMode m : ExecutionMode.values())
1448	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1449	>	{
1450	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1451	>	final IncFunction[] rs = new IncFunction[4];
1452	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1453	>
1454	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1455	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1456	>	assertTrue(f.cancel(mayInterruptIfRunning));
1457	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1458	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1459	>
1460	>	checkCompletedWithWrappedCancellationException(h0);
1461	>	checkCompletedWithWrappedCancellationException(h1);
1462	>	checkCompletedWithWrappedCancellationException(h2);
1463	>	checkCompletedWithWrappedCancellationException(h3);
1464	>	checkCancelled(f);
1465	>	for (IncFunction r : rs) r.assertNotInvoked();
1466	>	}}
1467
1468		/**
1469	<	* thenApply result completes exceptionally if source cancelled
1469	>	* thenApply result completes exceptionally if action does
1470		*/
1471	<	public void testThenApply4() {
1472	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1473	<	CompletableFuture<Integer> g = f.thenApply(inc);
1474	<	assertTrue(f.cancel(true));
1475	<	checkCompletedWithWrappedCancellationException(g);
1476	<	}
1471	>	public void testThenApply_actionFailed() {
1472	>	for (ExecutionMode m : ExecutionMode.values())
1473	>	for (Integer v1 : new Integer[] { 1, null })
1474	>	{
1475	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1476	>	final FailingFunction[] rs = new FailingFunction[4];
1477	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1478	>
1479	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1480	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1481	>	assertTrue(f.complete(v1));
1482	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1483	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1484	>
1485	>	checkCompletedWithWrappedCFException(h0);
1486	>	checkCompletedWithWrappedCFException(h1);
1487	>	checkCompletedWithWrappedCFException(h2);
1488	>	checkCompletedWithWrappedCFException(h3);
1489	>	checkCompletedNormally(f, v1);
1490	>	}}
1491
1492		/**
1493		* thenAccept result completes normally after normal completion of source
1494		*/
1495	<	public void testThenAccept() {
1496	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1497	<	IncAction r = new IncAction();
1498	<	CompletableFuture<Void> g = f.thenAccept(r);
1499	<	f.complete(one);
1500	<	checkCompletedNormally(g, null);
1501	<	assertEquals(r.value, 2);
1502	<	}
1495	>	public void testThenAccept_normalCompletion() {
1496	>	for (ExecutionMode m : ExecutionMode.values())
1497	>	for (Integer v1 : new Integer[] { 1, null })
1498	>	{
1499	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1500	>	final NoopConsumer[] rs = new NoopConsumer[4];
1501	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1502	>
1503	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1504	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1505	>	checkIncomplete(h0);
1506	>	checkIncomplete(h1);
1507	>	assertTrue(f.complete(v1));
1508	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1509	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1510	>
1511	>	checkCompletedNormally(h0, null);
1512	>	checkCompletedNormally(h1, null);
1513	>	checkCompletedNormally(h2, null);
1514	>	checkCompletedNormally(h3, null);
1515	>	checkCompletedNormally(f, v1);
1516	>	for (NoopConsumer r : rs) r.assertValue(v1);
1517	>	}}
1518
1519		/**
1520		* thenAccept result completes exceptionally after exceptional
1521		* completion of source
1522		*/
1523	<	public void testThenAccept2() {
1524	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1525	<	IncAction r = new IncAction();
1526	<	CompletableFuture<Void> g = f.thenAccept(r);
1527	<	f.completeExceptionally(new CFException());
1528	<	checkCompletedWithWrappedCFException(g);
1529	<	}
1523	>	public void testThenAccept_exceptionalCompletion() {
1524	>	for (ExecutionMode m : ExecutionMode.values())
1525	>	{
1526	>	final CFException ex = new CFException();
1527	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1528	>	final NoopConsumer[] rs = new NoopConsumer[4];
1529	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1530	>
1531	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1532	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1533	>	assertTrue(f.completeExceptionally(ex));
1534	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1535	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1536	>
1537	>	checkCompletedWithWrappedException(h0, ex);
1538	>	checkCompletedWithWrappedException(h1, ex);
1539	>	checkCompletedWithWrappedException(h2, ex);
1540	>	checkCompletedWithWrappedException(h3, ex);
1541	>	checkCompletedExceptionally(f, ex);
1542	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1543	>	}}
1544
1545		/**
1546	<	* thenAccept result completes exceptionally if action does
1546	>	* thenAccept result completes exceptionally if source cancelled
1547		*/
1548	<	public void testThenAccept3() {
1549	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1550	<	FailingConsumer r = new FailingConsumer();
1551	<	CompletableFuture<Void> g = f.thenAccept(r);
1552	<	f.complete(one);
1553	<	checkCompletedWithWrappedCFException(g);
1554	<	assertTrue(r.ran);
1555	<	}
1548	>	public void testThenAccept_sourceCancelled() {
1549	>	for (ExecutionMode m : ExecutionMode.values())
1550	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1551	>	{
1552	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1553	>	final NoopConsumer[] rs = new NoopConsumer[4];
1554	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1555	>
1556	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1557	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1558	>	assertTrue(f.cancel(mayInterruptIfRunning));
1559	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1560	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1561	>
1562	>	checkCompletedWithWrappedCancellationException(h0);
1563	>	checkCompletedWithWrappedCancellationException(h1);
1564	>	checkCompletedWithWrappedCancellationException(h2);
1565	>	checkCompletedWithWrappedCancellationException(h3);
1566	>	checkCancelled(f);
1567	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1568	>	}}
1569
1570		/**
1571	<	* thenAccept result completes exceptionally if source cancelled
1571	>	* thenAccept result completes exceptionally if action does
1572		*/
1573	<	public void testThenAccept4() {
1574	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1575	<	IncAction r = new IncAction();
1576	<	CompletableFuture<Void> g = f.thenAccept(r);
1577	<	assertTrue(f.cancel(true));
1578	<	checkCompletedWithWrappedCancellationException(g);
1579	<	}
1573	>	public void testThenAccept_actionFailed() {
1574	>	for (ExecutionMode m : ExecutionMode.values())
1575	>	for (Integer v1 : new Integer[] { 1, null })
1576	>	{
1577	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1578	>	final FailingConsumer[] rs = new FailingConsumer[4];
1579	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1580	>
1581	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1582	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1583	>	assertTrue(f.complete(v1));
1584	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1585	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1586	>
1587	>	checkCompletedWithWrappedCFException(h0);
1588	>	checkCompletedWithWrappedCFException(h1);
1589	>	checkCompletedWithWrappedCFException(h2);
1590	>	checkCompletedWithWrappedCFException(h3);
1591	>	checkCompletedNormally(f, v1);
1592	>	}}
1593
1594		/**
1595		* thenCombine result completes normally after normal completion
1596		* of sources
1597		*/
1598	<	public void testThenCombine() {
1599	<	CompletableFuture<Integer> f, g, h;
1600	<
1601	<	f = new CompletableFuture<>();
1602	<	g = new CompletableFuture<>();
1603	<	h = f.thenCombine(g, subtract);
1604	<	f.complete(3);
1605	<	checkIncomplete(h);
1606	<	g.complete(1);
1607	<	checkCompletedNormally(h, 2);
1608	<
1609	<	f = new CompletableFuture<>();
1610	<	g = new CompletableFuture<>();
1611	<	h = f.thenCombine(g, subtract);
1612	<	g.complete(1);
1613	<	checkIncomplete(h);
1614	<	f.complete(3);
1615	<	checkCompletedNormally(h, 2);
1616	<
1617	<	f = new CompletableFuture<>();
1618	<	g = new CompletableFuture<>();
1619	<	g.complete(1);
1620	<	f.complete(3);
1621	<	h = f.thenCombine(g, subtract);
1622	<	checkCompletedNormally(h, 2);
1623	<	}
1598	>	public void testThenCombine_normalCompletion() {
1599	>	for (ExecutionMode m : ExecutionMode.values())
1600	>	for (boolean fFirst : new boolean[] { true, false })
1601	>	for (Integer v1 : new Integer[] { 1, null })
1602	>	for (Integer v2 : new Integer[] { 2, null })
1603	>	{
1604	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1605	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1606	>	final SubtractFunction[] rs = new SubtractFunction[6];
1607	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1608	>
1609	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1610	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1611	>	final Integer w1 =  fFirst ? v1 : v2;
1612	>	final Integer w2 = !fFirst ? v1 : v2;
1613	>
1614	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1615	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1616	>	assertTrue(fst.complete(w1));
1617	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1618	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1619	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1620	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1621	>	checkCompletedNormally(h1, subtract(w1, w1));
1622	>	checkCompletedNormally(h3, subtract(w1, w1));
1623	>	rs[1].assertValue(subtract(w1, w1));
1624	>	rs[3].assertValue(subtract(w1, w1));
1625	>	assertTrue(snd.complete(w2));
1626	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1627	>
1628	>	checkCompletedNormally(h0, subtract(v1, v2));
1629	>	checkCompletedNormally(h2, subtract(v1, v2));
1630	>	checkCompletedNormally(h4, subtract(v1, v2));
1631	>	rs[0].assertValue(subtract(v1, v2));
1632	>	rs[2].assertValue(subtract(v1, v2));
1633	>	rs[4].assertValue(subtract(v1, v2));
1634	>
1635	>	checkCompletedNormally(f, v1);
1636	>	checkCompletedNormally(g, v2);
1637	>	}}
1638
1639		/**
1640		* thenCombine result completes exceptionally after exceptional
1641		* completion of either source
1642		*/
1643	<	public void testThenCombine2() {
1644	<	CompletableFuture<Integer> f, g, h;
1645	<
1646	<	f = new CompletableFuture<>();
1647	<	g = new CompletableFuture<>();
1648	<	h = f.thenCombine(g, subtract);
1649	<	f.completeExceptionally(new CFException());
1650	<	checkIncomplete(h);
1651	<	g.complete(1);
1652	<	checkCompletedWithWrappedCFException(h);
1653	<
1654	<	f = new CompletableFuture<>();
1655	<	g = new CompletableFuture<>();
1656	<	h = f.thenCombine(g, subtract);
1657	<	g.completeExceptionally(new CFException());
1658	<	checkIncomplete(h);
1659	<	f.complete(3);
1660	<	checkCompletedWithWrappedCFException(h);
1661	<
1662	<	f = new CompletableFuture<>();
1663	<	g = new CompletableFuture<>();
1664	<	f.complete(3);
1665	<	g.completeExceptionally(new CFException());
1666	<	h = f.thenCombine(g, subtract);
1667	<	checkCompletedWithWrappedCFException(h);
1668	<
1669	<	f = new CompletableFuture<>();
1670	<	g = new CompletableFuture<>();
1671	<	f.completeExceptionally(new CFException());
1672	<	g.complete(3);
1673	<	h = f.thenCombine(g, subtract);
1674	<	checkCompletedWithWrappedCFException(h);
1675	<	}
1643	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1644	>	for (ExecutionMode m : ExecutionMode.values())
1645	>	for (boolean fFirst : new boolean[] { true, false })
1646	>	for (boolean failFirst : new boolean[] { true, false })
1647	>	for (Integer v1 : new Integer[] { 1, null })
1648	>	{
1649	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1650	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1651	>	final CFException ex = new CFException();
1652	>	final SubtractFunction r1 = new SubtractFunction(m);
1653	>	final SubtractFunction r2 = new SubtractFunction(m);
1654	>	final SubtractFunction r3 = new SubtractFunction(m);
1655	>
1656	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1657	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1658	>	final Callable<Boolean> complete1 = failFirst ?
1659	>	() -> fst.completeExceptionally(ex) :
1660	>	() -> fst.complete(v1);
1661	>	final Callable<Boolean> complete2 = failFirst ?
1662	>	() -> snd.complete(v1) :
1663	>	() -> snd.completeExceptionally(ex);
1664	>
1665	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1666	>	assertTrue(complete1.call());
1667	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1668	>	checkIncomplete(h1);
1669	>	checkIncomplete(h2);
1670	>	assertTrue(complete2.call());
1671	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1672	>
1673	>	checkCompletedWithWrappedException(h1, ex);
1674	>	checkCompletedWithWrappedException(h2, ex);
1675	>	checkCompletedWithWrappedException(h3, ex);
1676	>	r1.assertNotInvoked();
1677	>	r2.assertNotInvoked();
1678	>	r3.assertNotInvoked();
1679	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1680	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1681	>	}}
1682
1683		/**
1684	<	* thenCombine result completes exceptionally if action does
1684	>	* thenCombine result completes exceptionally if either source cancelled
1685		*/
1686	<	public void testThenCombine3() {
1687	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1688	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1689	<	FailingBiFunction r = new FailingBiFunction();
1690	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
1691	<	f.complete(one);
1692	<	checkIncomplete(g);
1693	<	assertFalse(r.ran);
1694	<	f2.complete(two);
1695	<	checkCompletedWithWrappedCFException(g);
1696	<	assertTrue(r.ran);
1697	<	}
1686	>	public void testThenCombine_sourceCancelled() throws Throwable {
1687	>	for (ExecutionMode m : ExecutionMode.values())
1688	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1689	>	for (boolean fFirst : new boolean[] { true, false })
1690	>	for (boolean failFirst : new boolean[] { true, false })
1691	>	for (Integer v1 : new Integer[] { 1, null })
1692	>	{
1693	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1694	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1695	>	final SubtractFunction r1 = new SubtractFunction(m);
1696	>	final SubtractFunction r2 = new SubtractFunction(m);
1697	>	final SubtractFunction r3 = new SubtractFunction(m);
1698	>
1699	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1700	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1701	>	final Callable<Boolean> complete1 = failFirst ?
1702	>	() -> fst.cancel(mayInterruptIfRunning) :
1703	>	() -> fst.complete(v1);
1704	>	final Callable<Boolean> complete2 = failFirst ?
1705	>	() -> snd.complete(v1) :
1706	>	() -> snd.cancel(mayInterruptIfRunning);
1707	>
1708	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1709	>	assertTrue(complete1.call());
1710	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1711	>	checkIncomplete(h1);
1712	>	checkIncomplete(h2);
1713	>	assertTrue(complete2.call());
1714	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1715	>
1716	>	checkCompletedWithWrappedCancellationException(h1);
1717	>	checkCompletedWithWrappedCancellationException(h2);
1718	>	checkCompletedWithWrappedCancellationException(h3);
1719	>	r1.assertNotInvoked();
1720	>	r2.assertNotInvoked();
1721	>	r3.assertNotInvoked();
1722	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1723	>	checkCancelled(failFirst ? fst : snd);
1724	>	}}
1725
1726		/**
1727	<	* thenCombine result completes exceptionally if either source cancelled
1727	>	* thenCombine result completes exceptionally if action does
1728		*/
1729	<	public void testThenCombine4() {
1730	<	CompletableFuture<Integer> f, g, h;
1731	<
1732	<	f = new CompletableFuture<>();
1733	<	g = new CompletableFuture<>();
1734	<	h = f.thenCombine(g, subtract);
1735	<	assertTrue(f.cancel(true));
1736	<	checkIncomplete(h);
1737	<	g.complete(1);
1738	<	checkCompletedWithWrappedCancellationException(h);
1739	<
1740	<	f = new CompletableFuture<>();
1741	<	g = new CompletableFuture<>();
1742	<	h = f.thenCombine(g, subtract);
1743	<	assertTrue(g.cancel(true));
1744	<	checkIncomplete(h);
1745	<	f.complete(3);
1746	<	checkCompletedWithWrappedCancellationException(h);
1747	<
1748	<	f = new CompletableFuture<>();
1749	<	g = new CompletableFuture<>();
1750	<	assertTrue(f.cancel(true));
1751	<	assertTrue(g.cancel(true));
1752	<	h = f.thenCombine(g, subtract);
1753	<	checkCompletedWithWrappedCancellationException(h);
1754	<	}
1729	>	public void testThenCombine_actionFailed() {
1730	>	for (ExecutionMode m : ExecutionMode.values())
1731	>	for (boolean fFirst : new boolean[] { true, false })
1732	>	for (Integer v1 : new Integer[] { 1, null })
1733	>	for (Integer v2 : new Integer[] { 2, null })
1734	>	{
1735	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1736	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1737	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1738	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1739	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1740	>
1741	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1742	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1743	>	final Integer w1 =  fFirst ? v1 : v2;
1744	>	final Integer w2 = !fFirst ? v1 : v2;
1745	>
1746	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1747	>	assertTrue(fst.complete(w1));
1748	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1749	>	assertTrue(snd.complete(w2));
1750	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1751	>
1752	>	checkCompletedWithWrappedCFException(h1);
1753	>	checkCompletedWithWrappedCFException(h2);
1754	>	checkCompletedWithWrappedCFException(h3);
1755	>	r1.assertInvoked();
1756	>	r2.assertInvoked();
1757	>	r3.assertInvoked();
1758	>	checkCompletedNormally(f, v1);
1759	>	checkCompletedNormally(g, v2);
1760	>	}}
1761
1762		/**
1763		* thenAcceptBoth result completes normally after normal
1764		* completion of sources
1765		*/
1766	<	public void testThenAcceptBoth() {
1767	<	CompletableFuture<Integer> f, g;
1768	<	CompletableFuture<Void> h;
1769	<	SubtractAction r;
1770	<
1771	<	f = new CompletableFuture<>();
1772	<	g = new CompletableFuture<>();
1773	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1774	<	f.complete(3);
1775	<	checkIncomplete(h);
1776	<	g.complete(1);
1777	<	checkCompletedNormally(h, null);
1778	<	assertEquals(r.value, 2);
1779	<
1780	<	f = new CompletableFuture<>();
1781	<	g = new CompletableFuture<>();
1782	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1783	<	g.complete(1);
1784	<	checkIncomplete(h);
1785	<	f.complete(3);
1786	<	checkCompletedNormally(h, null);
1787	<	assertEquals(r.value, 2);
1788	<
1789	<	f = new CompletableFuture<>();
1790	<	g = new CompletableFuture<>();
1791	<	g.complete(1);
1792	<	f.complete(3);
1793	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1794	<	checkCompletedNormally(h, null);
1795	<	assertEquals(r.value, 2);
1796	<	}
1766	>	public void testThenAcceptBoth_normalCompletion() {
1767	>	for (ExecutionMode m : ExecutionMode.values())
1768	>	for (boolean fFirst : new boolean[] { true, false })
1769	>	for (Integer v1 : new Integer[] { 1, null })
1770	>	for (Integer v2 : new Integer[] { 2, null })
1771	>	{
1772	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1773	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1774	>	final SubtractAction r1 = new SubtractAction(m);
1775	>	final SubtractAction r2 = new SubtractAction(m);
1776	>	final SubtractAction r3 = new SubtractAction(m);
1777	>
1778	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1779	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1780	>	final Integer w1 =  fFirst ? v1 : v2;
1781	>	final Integer w2 = !fFirst ? v1 : v2;
1782	>
1783	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1784	>	assertTrue(fst.complete(w1));
1785	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1786	>	checkIncomplete(h1);
1787	>	checkIncomplete(h2);
1788	>	r1.assertNotInvoked();
1789	>	r2.assertNotInvoked();
1790	>	assertTrue(snd.complete(w2));
1791	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1792	>
1793	>	checkCompletedNormally(h1, null);
1794	>	checkCompletedNormally(h2, null);
1795	>	checkCompletedNormally(h3, null);
1796	>	r1.assertValue(subtract(v1, v2));
1797	>	r2.assertValue(subtract(v1, v2));
1798	>	r3.assertValue(subtract(v1, v2));
1799	>	checkCompletedNormally(f, v1);
1800	>	checkCompletedNormally(g, v2);
1801	>	}}
1802
1803		/**
1804		* thenAcceptBoth result completes exceptionally after exceptional
1805		* completion of either source
1806		*/
1807	<	public void testThenAcceptBoth2() {
1808	<	CompletableFuture<Integer> f, g;
1809	<	CompletableFuture<Void> h;
1810	<	SubtractAction r;
1811	<
1812	<	f = new CompletableFuture<>();
1813	<	g = new CompletableFuture<>();
1814	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1815	<	f.completeExceptionally(new CFException());
1816	<	checkIncomplete(h);
1817	<	g.complete(1);
1818	<	checkCompletedWithWrappedCFException(h);
1819	<
1820	<	f = new CompletableFuture<>();
1821	<	g = new CompletableFuture<>();
1822	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1823	<	g.completeExceptionally(new CFException());
1824	<	checkIncomplete(h);
1825	<	f.complete(3);
1826	<	checkCompletedWithWrappedCFException(h);
1827	<
1828	<	f = new CompletableFuture<>();
1829	<	g = new CompletableFuture<>();
1830	<	f.complete(3);
1831	<	g.completeExceptionally(new CFException());
1832	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1833	<	checkCompletedWithWrappedCFException(h);
1834	<
1835	<	f = new CompletableFuture<>();
1836	<	g = new CompletableFuture<>();
1837	<	f.completeExceptionally(new CFException());
1838	<	g.complete(3);
1839	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1840	<	checkCompletedWithWrappedCFException(h);
1841	<	}
1807	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1808	>	for (ExecutionMode m : ExecutionMode.values())
1809	>	for (boolean fFirst : new boolean[] { true, false })
1810	>	for (boolean failFirst : new boolean[] { true, false })
1811	>	for (Integer v1 : new Integer[] { 1, null })
1812	>	{
1813	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1814	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1815	>	final CFException ex = new CFException();
1816	>	final SubtractAction r1 = new SubtractAction(m);
1817	>	final SubtractAction r2 = new SubtractAction(m);
1818	>	final SubtractAction r3 = new SubtractAction(m);
1819	>
1820	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1821	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1822	>	final Callable<Boolean> complete1 = failFirst ?
1823	>	() -> fst.completeExceptionally(ex) :
1824	>	() -> fst.complete(v1);
1825	>	final Callable<Boolean> complete2 = failFirst ?
1826	>	() -> snd.complete(v1) :
1827	>	() -> snd.completeExceptionally(ex);
1828	>
1829	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1830	>	assertTrue(complete1.call());
1831	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1832	>	checkIncomplete(h1);
1833	>	checkIncomplete(h2);
1834	>	assertTrue(complete2.call());
1835	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1836	>
1837	>	checkCompletedWithWrappedException(h1, ex);
1838	>	checkCompletedWithWrappedException(h2, ex);
1839	>	checkCompletedWithWrappedException(h3, ex);
1840	>	r1.assertNotInvoked();
1841	>	r2.assertNotInvoked();
1842	>	r3.assertNotInvoked();
1843	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1844	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1845	>	}}
1846
1847		/**
1848	<	* thenAcceptBoth result completes exceptionally if action does
1848	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1849		*/
1850	<	public void testThenAcceptBoth3() {
1851	<	CompletableFuture<Integer> f, g;
1852	<	CompletableFuture<Void> h;
1853	<	FailingBiConsumer r;
1854	<
1855	<	f = new CompletableFuture<>();
1856	<	g = new CompletableFuture<>();
1857	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1858	<	f.complete(3);
1859	<	checkIncomplete(h);
1860	<	g.complete(1);
1861	<	checkCompletedWithWrappedCFException(h);
1862	<
1863	<	f = new CompletableFuture<>();
1864	<	g = new CompletableFuture<>();
1865	<	f.complete(3);
1866	<	g.complete(1);
1867	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1868	<	checkCompletedWithWrappedCFException(h);
1869	<	}
1850	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1851	>	for (ExecutionMode m : ExecutionMode.values())
1852	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1853	>	for (boolean fFirst : new boolean[] { true, false })
1854	>	for (boolean failFirst : new boolean[] { true, false })
1855	>	for (Integer v1 : new Integer[] { 1, null })
1856	>	{
1857	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1858	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1859	>	final SubtractAction r1 = new SubtractAction(m);
1860	>	final SubtractAction r2 = new SubtractAction(m);
1861	>	final SubtractAction r3 = new SubtractAction(m);
1862	>
1863	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1864	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1865	>	final Callable<Boolean> complete1 = failFirst ?
1866	>	() -> fst.cancel(mayInterruptIfRunning) :
1867	>	() -> fst.complete(v1);
1868	>	final Callable<Boolean> complete2 = failFirst ?
1869	>	() -> snd.complete(v1) :
1870	>	() -> snd.cancel(mayInterruptIfRunning);
1871	>
1872	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1873	>	assertTrue(complete1.call());
1874	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1875	>	checkIncomplete(h1);
1876	>	checkIncomplete(h2);
1877	>	assertTrue(complete2.call());
1878	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1879	>
1880	>	checkCompletedWithWrappedCancellationException(h1);
1881	>	checkCompletedWithWrappedCancellationException(h2);
1882	>	checkCompletedWithWrappedCancellationException(h3);
1883	>	r1.assertNotInvoked();
1884	>	r2.assertNotInvoked();
1885	>	r3.assertNotInvoked();
1886	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1887	>	checkCancelled(failFirst ? fst : snd);
1888	>	}}
1889
1890		/**
1891	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1891	>	* thenAcceptBoth result completes exceptionally if action does
1892		*/
1893	<	public void testThenAcceptBoth4() {
1894	<	CompletableFuture<Integer> f, g;
1895	<	CompletableFuture<Void> h;
1896	<	SubtractAction r;
1897	<
1898	<	f = new CompletableFuture<>();
1899	<	g = new CompletableFuture<>();
1900	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1901	<	assertTrue(f.cancel(true));
1902	<	checkIncomplete(h);
1903	<	g.complete(1);
1904	<	checkCompletedWithWrappedCancellationException(h);
1905	<
1906	<	f = new CompletableFuture<>();
1907	<	g = new CompletableFuture<>();
1908	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1909	<	assertTrue(g.cancel(true));
1910	<	checkIncomplete(h);
1911	<	f.complete(3);
1912	<	checkCompletedWithWrappedCancellationException(h);
1913	<
1914	<	f = new CompletableFuture<>();
1915	<	g = new CompletableFuture<>();
1916	<	f.complete(3);
1917	<	assertTrue(g.cancel(true));
1918	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1919	<	checkCompletedWithWrappedCancellationException(h);
1920	<
1921	<	f = new CompletableFuture<>();
1922	<	g = new CompletableFuture<>();
1923	<	assertTrue(f.cancel(true));
1924	<	g.complete(3);
914	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
915	<	checkCompletedWithWrappedCancellationException(h);
916	<	}
1893	>	public void testThenAcceptBoth_actionFailed() {
1894	>	for (ExecutionMode m : ExecutionMode.values())
1895	>	for (boolean fFirst : new boolean[] { true, false })
1896	>	for (Integer v1 : new Integer[] { 1, null })
1897	>	for (Integer v2 : new Integer[] { 2, null })
1898	>	{
1899	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1900	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1901	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1902	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1903	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1904	>
1905	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1906	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1907	>	final Integer w1 =  fFirst ? v1 : v2;
1908	>	final Integer w2 = !fFirst ? v1 : v2;
1909	>
1910	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1911	>	assertTrue(fst.complete(w1));
1912	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1913	>	assertTrue(snd.complete(w2));
1914	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1915	>
1916	>	checkCompletedWithWrappedCFException(h1);
1917	>	checkCompletedWithWrappedCFException(h2);
1918	>	checkCompletedWithWrappedCFException(h3);
1919	>	r1.assertInvoked();
1920	>	r2.assertInvoked();
1921	>	r3.assertInvoked();
1922	>	checkCompletedNormally(f, v1);
1923	>	checkCompletedNormally(g, v2);
1924	>	}}
1925
1926		/**
1927		* runAfterBoth result completes normally after normal
1928		* completion of sources
1929		*/
1930	<	public void testRunAfterBoth() {
1931	<	CompletableFuture<Integer> f, g;
1932	<	CompletableFuture<Void> h;
1933	<	Noop r;
1934	<
1935	<	f = new CompletableFuture<>();
1936	<	g = new CompletableFuture<>();
1937	<	h = f.runAfterBoth(g, r = new Noop());
1938	<	f.complete(3);
1939	<	checkIncomplete(h);
1940	<	g.complete(1);
1941	<	checkCompletedNormally(h, null);
1942	<	assertTrue(r.ran);
1943	<
1944	<	f = new CompletableFuture<>();
1945	<	g = new CompletableFuture<>();
1946	<	h = f.runAfterBoth(g, r = new Noop());
1947	<	g.complete(1);
1948	<	checkIncomplete(h);
1949	<	f.complete(3);
1950	<	checkCompletedNormally(h, null);
1951	<	assertTrue(r.ran);
1952	<
1953	<	f = new CompletableFuture<>();
1954	<	g = new CompletableFuture<>();
1955	<	g.complete(1);
1956	<	f.complete(3);
1957	<	h = f.runAfterBoth(g, r = new Noop());
1958	<	checkCompletedNormally(h, null);
1959	<	assertTrue(r.ran);
1960	<	}
1930	>	public void testRunAfterBoth_normalCompletion() {
1931	>	for (ExecutionMode m : ExecutionMode.values())
1932	>	for (boolean fFirst : new boolean[] { true, false })
1933	>	for (Integer v1 : new Integer[] { 1, null })
1934	>	for (Integer v2 : new Integer[] { 2, null })
1935	>	{
1936	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1937	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1938	>	final Noop r1 = new Noop(m);
1939	>	final Noop r2 = new Noop(m);
1940	>	final Noop r3 = new Noop(m);
1941	>
1942	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1943	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1944	>	final Integer w1 =  fFirst ? v1 : v2;
1945	>	final Integer w2 = !fFirst ? v1 : v2;
1946	>
1947	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1948	>	assertTrue(fst.complete(w1));
1949	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1950	>	checkIncomplete(h1);
1951	>	checkIncomplete(h2);
1952	>	r1.assertNotInvoked();
1953	>	r2.assertNotInvoked();
1954	>	assertTrue(snd.complete(w2));
1955	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1956	>
1957	>	checkCompletedNormally(h1, null);
1958	>	checkCompletedNormally(h2, null);
1959	>	checkCompletedNormally(h3, null);
1960	>	r1.assertInvoked();
1961	>	r2.assertInvoked();
1962	>	r3.assertInvoked();
1963	>	checkCompletedNormally(f, v1);
1964	>	checkCompletedNormally(g, v2);
1965	>	}}
1966
1967		/**
1968		* runAfterBoth result completes exceptionally after exceptional
1969		* completion of either source
1970		*/
1971	<	public void testRunAfterBoth2() {
1972	<	CompletableFuture<Integer> f, g;
1973	<	CompletableFuture<Void> h;
1974	<	Noop r;
1975	<
1976	<	f = new CompletableFuture<>();
1977	<	g = new CompletableFuture<>();
1978	<	h = f.runAfterBoth(g, r = new Noop());
1979	<	f.completeExceptionally(new CFException());
1980	<	checkIncomplete(h);
1981	<	g.complete(1);
1982	<	checkCompletedWithWrappedCFException(h);
1983	<	assertFalse(r.ran);
1984	<
1985	<	f = new CompletableFuture<>();
1986	<	g = new CompletableFuture<>();
1987	<	h = f.runAfterBoth(g, r = new Noop());
1988	<	g.completeExceptionally(new CFException());
1989	<	checkIncomplete(h);
1990	<	f.complete(3);
1991	<	checkCompletedWithWrappedCFException(h);
1992	<	assertFalse(r.ran);
1993	<
1994	<	f = new CompletableFuture<>();
1995	<	g = new CompletableFuture<>();
1996	<	g.completeExceptionally(new CFException());
1997	<	f.complete(3);
1998	<	h = f.runAfterBoth(g, r = new Noop());
1999	<	checkCompletedWithWrappedCFException(h);
2000	<	assertFalse(r.ran);
2001	<
2002	<	f = new CompletableFuture<>();
2003	<	g = new CompletableFuture<>();
2004	<	f.completeExceptionally(new CFException());
2005	<	g.complete(1);
2006	<	h = f.runAfterBoth(g, r = new Noop());
2007	<	checkCompletedWithWrappedCFException(h);
2008	<	assertFalse(r.ran);
2009	<	}
1971	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1972	>	for (ExecutionMode m : ExecutionMode.values())
1973	>	for (boolean fFirst : new boolean[] { true, false })
1974	>	for (boolean failFirst : new boolean[] { true, false })
1975	>	for (Integer v1 : new Integer[] { 1, null })
1976	>	{
1977	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1978	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1979	>	final CFException ex = new CFException();
1980	>	final Noop r1 = new Noop(m);
1981	>	final Noop r2 = new Noop(m);
1982	>	final Noop r3 = new Noop(m);
1983	>
1984	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1985	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1986	>	final Callable<Boolean> complete1 = failFirst ?
1987	>	() -> fst.completeExceptionally(ex) :
1988	>	() -> fst.complete(v1);
1989	>	final Callable<Boolean> complete2 = failFirst ?
1990	>	() -> snd.complete(v1) :
1991	>	() -> snd.completeExceptionally(ex);
1992	>
1993	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1994	>	assertTrue(complete1.call());
1995	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1996	>	checkIncomplete(h1);
1997	>	checkIncomplete(h2);
1998	>	assertTrue(complete2.call());
1999	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2000	>
2001	>	checkCompletedWithWrappedException(h1, ex);
2002	>	checkCompletedWithWrappedException(h2, ex);
2003	>	checkCompletedWithWrappedException(h3, ex);
2004	>	r1.assertNotInvoked();
2005	>	r2.assertNotInvoked();
2006	>	r3.assertNotInvoked();
2007	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2008	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2009	>	}}
2010
2011		/**
2012	<	* runAfterBoth result completes exceptionally if action does
2012	>	* runAfterBoth result completes exceptionally if either source cancelled
2013		*/
2014	<	public void testRunAfterBoth3() {
2015	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2016	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2017	<	FailingNoop r = new FailingNoop();
2018	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2019	<	f.complete(one);
2020	<	checkIncomplete(g);
2021	<	f2.complete(two);
2022	<	checkCompletedWithWrappedCFException(g);
2023	<	}
2014	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2015	>	for (ExecutionMode m : ExecutionMode.values())
2016	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2017	>	for (boolean fFirst : new boolean[] { true, false })
2018	>	for (boolean failFirst : new boolean[] { true, false })
2019	>	for (Integer v1 : new Integer[] { 1, null })
2020	>	{
2021	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2022	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2023	>	final Noop r1 = new Noop(m);
2024	>	final Noop r2 = new Noop(m);
2025	>	final Noop r3 = new Noop(m);
2026	>
2027	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2028	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2029	>	final Callable<Boolean> complete1 = failFirst ?
2030	>	() -> fst.cancel(mayInterruptIfRunning) :
2031	>	() -> fst.complete(v1);
2032	>	final Callable<Boolean> complete2 = failFirst ?
2033	>	() -> snd.complete(v1) :
2034	>	() -> snd.cancel(mayInterruptIfRunning);
2035	>
2036	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2037	>	assertTrue(complete1.call());
2038	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2039	>	checkIncomplete(h1);
2040	>	checkIncomplete(h2);
2041	>	assertTrue(complete2.call());
2042	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2043	>
2044	>	checkCompletedWithWrappedCancellationException(h1);
2045	>	checkCompletedWithWrappedCancellationException(h2);
2046	>	checkCompletedWithWrappedCancellationException(h3);
2047	>	r1.assertNotInvoked();
2048	>	r2.assertNotInvoked();
2049	>	r3.assertNotInvoked();
2050	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2051	>	checkCancelled(failFirst ? fst : snd);
2052	>	}}
2053
2054		/**
2055	<	* runAfterBoth result completes exceptionally if either source cancelled
2055	>	* runAfterBoth result completes exceptionally if action does
2056		*/
2057	<	public void testRunAfterBoth4() {
2058	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2059	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2060	<	Noop r = new Noop();
2061	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2062	<	assertTrue(f.cancel(true));
2063	<	f2.complete(two);
2064	<	checkCompletedWithWrappedCancellationException(g);
2065	<	f = new CompletableFuture<>();
2066	<	f2 = new CompletableFuture<>();
2067	<	r = new Noop();
2068	<	g = f.runAfterBoth(f2, r);
2069	<	f.complete(one);
2070	<	assertTrue(f2.cancel(true));
2071	<	checkCompletedWithWrappedCancellationException(g);
2072	<	}
2057	>	public void testRunAfterBoth_actionFailed() {
2058	>	for (ExecutionMode m : ExecutionMode.values())
2059	>	for (boolean fFirst : new boolean[] { true, false })
2060	>	for (Integer v1 : new Integer[] { 1, null })
2061	>	for (Integer v2 : new Integer[] { 2, null })
2062	>	{
2063	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2064	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2065	>	final FailingRunnable r1 = new FailingRunnable(m);
2066	>	final FailingRunnable r2 = new FailingRunnable(m);
2067	>	final FailingRunnable r3 = new FailingRunnable(m);
2068	>
2069	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2070	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2071	>	final Integer w1 =  fFirst ? v1 : v2;
2072	>	final Integer w2 = !fFirst ? v1 : v2;
2073	>
2074	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2075	>	assertTrue(fst.complete(w1));
2076	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2077	>	assertTrue(snd.complete(w2));
2078	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2079	>
2080	>	checkCompletedWithWrappedCFException(h1);
2081	>	checkCompletedWithWrappedCFException(h2);
2082	>	checkCompletedWithWrappedCFException(h3);
2083	>	r1.assertInvoked();
2084	>	r2.assertInvoked();
2085	>	r3.assertInvoked();
2086	>	checkCompletedNormally(f, v1);
2087	>	checkCompletedNormally(g, v2);
2088	>	}}
2089
2090		/**
2091		* applyToEither result completes normally after normal completion
2092		* of either source
2093		*/
2094	<	public void testApplyToEither() {
2095	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2096	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2097	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2098	<	f.complete(one);
2099	<	checkCompletedNormally(g, two);
2100	<	f2.complete(one);
2101	<	checkCompletedNormally(g, two);
2102	<
2103	<	f = new CompletableFuture<>();
2104	<	f.complete(one);
2105	<	f2 = new CompletableFuture<>();
2106	<	g = f.applyToEither(f2, inc);
2107	<	checkCompletedNormally(g, two);
2108	<	}
2094	>	public void testApplyToEither_normalCompletion() {
2095	>	for (ExecutionMode m : ExecutionMode.values())
2096	>	for (Integer v1 : new Integer[] { 1, null })
2097	>	for (Integer v2 : new Integer[] { 2, null })
2098	>	{
2099	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2100	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2101	>	final IncFunction[] rs = new IncFunction[6];
2102	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2103	>
2104	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2105	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2106	>	checkIncomplete(h0);
2107	>	checkIncomplete(h1);
2108	>	rs[0].assertNotInvoked();
2109	>	rs[1].assertNotInvoked();
2110	>	f.complete(v1);
2111	>	checkCompletedNormally(h0, inc(v1));
2112	>	checkCompletedNormally(h1, inc(v1));
2113	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2114	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2115	>	checkCompletedNormally(h2, inc(v1));
2116	>	checkCompletedNormally(h3, inc(v1));
2117	>	g.complete(v2);
2118	>
2119	>	// unspecified behavior - both source completions available
2120	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2121	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2122	>	rs[4].assertValue(h4.join());
2123	>	rs[5].assertValue(h5.join());
2124	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2125	>	Objects.equals(inc(v2), h4.join()));
2126	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2127	>	Objects.equals(inc(v2), h5.join()));
2128	>
2129	>	checkCompletedNormally(f, v1);
2130	>	checkCompletedNormally(g, v2);
2131	>	checkCompletedNormally(h0, inc(v1));
2132	>	checkCompletedNormally(h1, inc(v1));
2133	>	checkCompletedNormally(h2, inc(v1));
2134	>	checkCompletedNormally(h3, inc(v1));
2135	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2136	>	}}
2137
2138		/**
2139		* applyToEither result completes exceptionally after exceptional
2140		* completion of either source
2141		*/
2142	<	public void testApplyToEither2() {
2143	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2144	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2145	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2146	<	f.completeExceptionally(new CFException());
2147	<	f2.complete(one);
2148	<	checkCompletedWithWrappedCFException(g);
2142	>	public void testApplyToEither_exceptionalCompletion() {
2143	>	for (ExecutionMode m : ExecutionMode.values())
2144	>	for (Integer v1 : new Integer[] { 1, null })
2145	>	{
2146	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2147	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2148	>	final CFException ex = new CFException();
2149	>	final IncFunction[] rs = new IncFunction[6];
2150	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2151	>
2152	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2153	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2154	>	checkIncomplete(h0);
2155	>	checkIncomplete(h1);
2156	>	rs[0].assertNotInvoked();
2157	>	rs[1].assertNotInvoked();
2158	>	f.completeExceptionally(ex);
2159	>	checkCompletedWithWrappedException(h0, ex);
2160	>	checkCompletedWithWrappedException(h1, ex);
2161	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2162	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2163	>	checkCompletedWithWrappedException(h2, ex);
2164	>	checkCompletedWithWrappedException(h3, ex);
2165	>	g.complete(v1);
2166	>
2167	>	// unspecified behavior - both source completions available
2168	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2169	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2170	>	try {
2171	>	assertEquals(inc(v1), h4.join());
2172	>	rs[4].assertValue(inc(v1));
2173	>	} catch (CompletionException ok) {
2174	>	checkCompletedWithWrappedException(h4, ex);
2175	>	rs[4].assertNotInvoked();
2176	>	}
2177	>	try {
2178	>	assertEquals(inc(v1), h5.join());
2179	>	rs[5].assertValue(inc(v1));
2180	>	} catch (CompletionException ok) {
2181	>	checkCompletedWithWrappedException(h5, ex);
2182	>	rs[5].assertNotInvoked();
2183	>	}
2184
2185	<	f = new CompletableFuture<>();
2186	<	f2 = new CompletableFuture<>();
2187	<	f2.completeExceptionally(new CFException());
2188	<	g = f.applyToEither(f2, inc);
2189	<	checkCompletedWithWrappedCFException(g);
2190	<	}
2185	>	checkCompletedExceptionally(f, ex);
2186	>	checkCompletedNormally(g, v1);
2187	>	checkCompletedWithWrappedException(h0, ex);
2188	>	checkCompletedWithWrappedException(h1, ex);
2189	>	checkCompletedWithWrappedException(h2, ex);
2190	>	checkCompletedWithWrappedException(h3, ex);
2191	>	checkCompletedWithWrappedException(h4, ex);
2192	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2193	>	}}
2194	>
2195	>	public void testApplyToEither_exceptionalCompletion2() {
2196	>	for (ExecutionMode m : ExecutionMode.values())
2197	>	for (boolean fFirst : new boolean[] { true, false })
2198	>	for (Integer v1 : new Integer[] { 1, null })
2199	>	{
2200	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2201	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2202	>	final CFException ex = new CFException();
2203	>	final IncFunction[] rs = new IncFunction[6];
2204	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2205	>
2206	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2207	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2208	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2209	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2210	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2211	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2212
2213	<	/**
2214	<	* applyToEither result completes exceptionally if action does
2215	<	*/
2216	<	public void testApplyToEither3() {
2217	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2218	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2219	<	FailingFunction r = new FailingFunction();
2220	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
2221	<	f2.complete(two);
2222	<	checkCompletedWithWrappedCFException(g);
2223	<	}
2213	>	// unspecified behavior - both source completions available
2214	>	try {
2215	>	assertEquals(inc(v1), h0.join());
2216	>	rs[0].assertValue(inc(v1));
2217	>	} catch (CompletionException ok) {
2218	>	checkCompletedWithWrappedException(h0, ex);
2219	>	rs[0].assertNotInvoked();
2220	>	}
2221	>	try {
2222	>	assertEquals(inc(v1), h1.join());
2223	>	rs[1].assertValue(inc(v1));
2224	>	} catch (CompletionException ok) {
2225	>	checkCompletedWithWrappedException(h1, ex);
2226	>	rs[1].assertNotInvoked();
2227	>	}
2228	>	try {
2229	>	assertEquals(inc(v1), h2.join());
2230	>	rs[2].assertValue(inc(v1));
2231	>	} catch (CompletionException ok) {
2232	>	checkCompletedWithWrappedException(h2, ex);
2233	>	rs[2].assertNotInvoked();
2234	>	}
2235	>	try {
2236	>	assertEquals(inc(v1), h3.join());
2237	>	rs[3].assertValue(inc(v1));
2238	>	} catch (CompletionException ok) {
2239	>	checkCompletedWithWrappedException(h3, ex);
2240	>	rs[3].assertNotInvoked();
2241	>	}
2242
2243	<	/**
2244	<	* applyToEither result completes exceptionally if either source cancelled
2245	<	*/
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	<	}
2243	>	checkCompletedNormally(f, v1);
2244	>	checkCompletedExceptionally(g, ex);
2245	>	}}
2246
2247		/**
2248	<	* acceptEither result completes normally after normal completion
1100	<	* of either source
2248	>	* applyToEither result completes exceptionally if either source cancelled
2249		*/
2250	<	public void testAcceptEither() {
2251	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2252	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2253	<	IncAction r = new IncAction();
2254	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2255	<	f.complete(one);
2256	<	checkCompletedNormally(g, null);
2257	<	f2.complete(one);
2258	<	checkCompletedNormally(g, null);
2259	<	assertEquals(r.value, 2);
2260	<
2261	<	r = new IncAction();
2262	<	f = new CompletableFuture<>();
2263	<	f.complete(one);
2264	<	f2 = new CompletableFuture<>();
2265	<	g = f.acceptEither(f2, r);
2266	<	checkCompletedNormally(g, null);
2267	<	assertEquals(r.value, 2);
2268	<	}
2250	>	public void testApplyToEither_sourceCancelled() {
2251	>	for (ExecutionMode m : ExecutionMode.values())
2252	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2253	>	for (Integer v1 : new Integer[] { 1, null })
2254	>	{
2255	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2256	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2257	>	final IncFunction[] rs = new IncFunction[6];
2258	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2259	>
2260	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2261	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2262	>	checkIncomplete(h0);
2263	>	checkIncomplete(h1);
2264	>	rs[0].assertNotInvoked();
2265	>	rs[1].assertNotInvoked();
2266	>	f.cancel(mayInterruptIfRunning);
2267	>	checkCompletedWithWrappedCancellationException(h0);
2268	>	checkCompletedWithWrappedCancellationException(h1);
2269	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2270	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2271	>	checkCompletedWithWrappedCancellationException(h2);
2272	>	checkCompletedWithWrappedCancellationException(h3);
2273	>	g.complete(v1);
2274	>
2275	>	// unspecified behavior - both source completions available
2276	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2277	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2278	>	try {
2279	>	assertEquals(inc(v1), h4.join());
2280	>	rs[4].assertValue(inc(v1));
2281	>	} catch (CompletionException ok) {
2282	>	checkCompletedWithWrappedCancellationException(h4);
2283	>	rs[4].assertNotInvoked();
2284	>	}
2285	>	try {
2286	>	assertEquals(inc(v1), h5.join());
2287	>	rs[5].assertValue(inc(v1));
2288	>	} catch (CompletionException ok) {
2289	>	checkCompletedWithWrappedCancellationException(h5);
2290	>	rs[5].assertNotInvoked();
2291	>	}
2292
2293	<	/**
2294	<	* acceptEither result completes exceptionally after exceptional
2295	<	* completion of either source
2296	<	*/
2297	<	public void testAcceptEither2() {
2298	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2299	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2300	<	IncAction r = new IncAction();
2301	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2302	<	f.completeExceptionally(new CFException());
2303	<	f2.complete(one);
2304	<	checkCompletedWithWrappedCFException(g);
2293	>	checkCancelled(f);
2294	>	checkCompletedNormally(g, v1);
2295	>	checkCompletedWithWrappedCancellationException(h0);
2296	>	checkCompletedWithWrappedCancellationException(h1);
2297	>	checkCompletedWithWrappedCancellationException(h2);
2298	>	checkCompletedWithWrappedCancellationException(h3);
2299	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2300	>	}}
2301	>
2302	>	public void testApplyToEither_sourceCancelled2() {
2303	>	for (ExecutionMode m : ExecutionMode.values())
2304	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2305	>	for (boolean fFirst : new boolean[] { true, false })
2306	>	for (Integer v1 : new Integer[] { 1, null })
2307	>	{
2308	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2309	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2310	>	final IncFunction[] rs = new IncFunction[6];
2311	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2312	>
2313	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2314	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2315	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2316	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2317	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2318	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2319
2320	<	r = new IncAction();
2321	<	f = new CompletableFuture<>();
2322	<	f2 = new CompletableFuture<>();
2323	<	f2.completeExceptionally(new CFException());
2324	<	g = f.acceptEither(f2, r);
2325	<	checkCompletedWithWrappedCFException(g);
2326	<	}
2320	>	// unspecified behavior - both source completions available
2321	>	try {
2322	>	assertEquals(inc(v1), h0.join());
2323	>	rs[0].assertValue(inc(v1));
2324	>	} catch (CompletionException ok) {
2325	>	checkCompletedWithWrappedCancellationException(h0);
2326	>	rs[0].assertNotInvoked();
2327	>	}
2328	>	try {
2329	>	assertEquals(inc(v1), h1.join());
2330	>	rs[1].assertValue(inc(v1));
2331	>	} catch (CompletionException ok) {
2332	>	checkCompletedWithWrappedCancellationException(h1);
2333	>	rs[1].assertNotInvoked();
2334	>	}
2335	>	try {
2336	>	assertEquals(inc(v1), h2.join());
2337	>	rs[2].assertValue(inc(v1));
2338	>	} catch (CompletionException ok) {
2339	>	checkCompletedWithWrappedCancellationException(h2);
2340	>	rs[2].assertNotInvoked();
2341	>	}
2342	>	try {
2343	>	assertEquals(inc(v1), h3.join());
2344	>	rs[3].assertValue(inc(v1));
2345	>	} catch (CompletionException ok) {
2346	>	checkCompletedWithWrappedCancellationException(h3);
2347	>	rs[3].assertNotInvoked();
2348	>	}
2349
2350	<	/**
2351	<	* acceptEither result completes exceptionally if action does
2352	<	*/
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	<	}
2350	>	checkCompletedNormally(f, v1);
2351	>	checkCancelled(g);
2352	>	}}
2353
2354		/**
2355	<	* acceptEither result completes exceptionally if either source cancelled
2355	>	* applyToEither result completes exceptionally if action does
2356		*/
2357	<	public void testAcceptEither4() {
2358	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2359	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2360	<	IncAction r = new IncAction();
2361	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2362	<	assertTrue(f.cancel(true));
2363	<	checkCompletedWithWrappedCancellationException(g);
2364	<	f = new CompletableFuture<>();
2365	<	f2 = new CompletableFuture<>();
2366	<	assertTrue(f2.cancel(true));
2367	<	checkCompletedWithWrappedCancellationException(g);
2368	<	}
2357	>	public void testApplyToEither_actionFailed() {
2358	>	for (ExecutionMode m : ExecutionMode.values())
2359	>	for (Integer v1 : new Integer[] { 1, null })
2360	>	for (Integer v2 : new Integer[] { 2, null })
2361	>	{
2362	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2363	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2364	>	final FailingFunction[] rs = new FailingFunction[6];
2365	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2366	>
2367	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2368	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2369	>	f.complete(v1);
2370	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2371	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2372	>	checkCompletedWithWrappedCFException(h0);
2373	>	checkCompletedWithWrappedCFException(h1);
2374	>	checkCompletedWithWrappedCFException(h2);
2375	>	checkCompletedWithWrappedCFException(h3);
2376	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2377	>
2378	>	g.complete(v2);
2379	>
2380	>	// unspecified behavior - both source completions available
2381	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2382	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2383	>
2384	>	checkCompletedWithWrappedCFException(h4);
2385	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2386	>	Objects.equals(v2, rs[4].value));
2387	>	checkCompletedWithWrappedCFException(h5);
2388	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2389	>	Objects.equals(v2, rs[5].value));
2390	>
2391	>	checkCompletedNormally(f, v1);
2392	>	checkCompletedNormally(g, v2);
2393	>	}}
2394
2395		/**
2396	<	* runAfterEither result completes normally after normal completion
2396	>	* acceptEither result completes normally after normal completion
2397		* of either source
2398		*/
2399	<	public void testRunAfterEither() {
2400	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2401	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2402	<	Noop r = new Noop();
2403	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2404	<	f.complete(one);
2405	<	checkCompletedNormally(g, null);
2406	<	f2.complete(one);
2407	<	checkCompletedNormally(g, null);
2408	<	assertTrue(r.ran);
2409	<
2410	<	r = new Noop();
2411	<	f = new CompletableFuture<>();
2412	<	f.complete(one);
2413	<	f2 = new CompletableFuture<>();
2414	<	g = f.runAfterEither(f2, r);
2415	<	checkCompletedNormally(g, null);
2416	<	assertTrue(r.ran);
2417	<	}
2399	>	public void testAcceptEither_normalCompletion() {
2400	>	for (ExecutionMode m : ExecutionMode.values())
2401	>	for (Integer v1 : new Integer[] { 1, null })
2402	>	for (Integer v2 : new Integer[] { 2, null })
2403	>	{
2404	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2405	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2406	>	final NoopConsumer[] rs = new NoopConsumer[6];
2407	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2408	>
2409	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2410	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2411	>	checkIncomplete(h0);
2412	>	checkIncomplete(h1);
2413	>	rs[0].assertNotInvoked();
2414	>	rs[1].assertNotInvoked();
2415	>	f.complete(v1);
2416	>	checkCompletedNormally(h0, null);
2417	>	checkCompletedNormally(h1, null);
2418	>	rs[0].assertValue(v1);
2419	>	rs[1].assertValue(v1);
2420	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2421	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2422	>	checkCompletedNormally(h2, null);
2423	>	checkCompletedNormally(h3, null);
2424	>	rs[2].assertValue(v1);
2425	>	rs[3].assertValue(v1);
2426	>	g.complete(v2);
2427	>
2428	>	// unspecified behavior - both source completions available
2429	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2430	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2431	>	checkCompletedNormally(h4, null);
2432	>	checkCompletedNormally(h5, null);
2433	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2434	>	Objects.equals(v2, rs[4].value));
2435	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2436	>	Objects.equals(v2, rs[5].value));
2437	>
2438	>	checkCompletedNormally(f, v1);
2439	>	checkCompletedNormally(g, v2);
2440	>	checkCompletedNormally(h0, null);
2441	>	checkCompletedNormally(h1, null);
2442	>	checkCompletedNormally(h2, null);
2443	>	checkCompletedNormally(h3, null);
2444	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2445	>	}}
2446
2447		/**
2448	<	* runAfterEither result completes exceptionally after exceptional
2448	>	* acceptEither result completes exceptionally after exceptional
2449		* completion of either source
2450		*/
2451	<	public void testRunAfterEither2() {
2452	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2453	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2454	<	Noop r = new Noop();
2455	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2456	<	f.completeExceptionally(new CFException());
2457	<	f2.complete(one);
2458	<	checkCompletedWithWrappedCFException(g);
2451	>	public void testAcceptEither_exceptionalCompletion() {
2452	>	for (ExecutionMode m : ExecutionMode.values())
2453	>	for (Integer v1 : new Integer[] { 1, null })
2454	>	{
2455	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2456	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2457	>	final CFException ex = new CFException();
2458	>	final NoopConsumer[] rs = new NoopConsumer[6];
2459	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2460	>
2461	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2462	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2463	>	checkIncomplete(h0);
2464	>	checkIncomplete(h1);
2465	>	rs[0].assertNotInvoked();
2466	>	rs[1].assertNotInvoked();
2467	>	f.completeExceptionally(ex);
2468	>	checkCompletedWithWrappedException(h0, ex);
2469	>	checkCompletedWithWrappedException(h1, ex);
2470	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2471	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2472	>	checkCompletedWithWrappedException(h2, ex);
2473	>	checkCompletedWithWrappedException(h3, ex);
2474	>
2475	>	g.complete(v1);
2476	>
2477	>	// unspecified behavior - both source completions available
2478	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2479	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2480	>	try {
2481	>	assertNull(h4.join());
2482	>	rs[4].assertValue(v1);
2483	>	} catch (CompletionException ok) {
2484	>	checkCompletedWithWrappedException(h4, ex);
2485	>	rs[4].assertNotInvoked();
2486	>	}
2487	>	try {
2488	>	assertNull(h5.join());
2489	>	rs[5].assertValue(v1);
2490	>	} catch (CompletionException ok) {
2491	>	checkCompletedWithWrappedException(h5, ex);
2492	>	rs[5].assertNotInvoked();
2493	>	}
2494
2495	<	r = new Noop();
2496	<	f = new CompletableFuture<>();
2497	<	f2 = new CompletableFuture<>();
2498	<	f2.completeExceptionally(new CFException());
2499	<	g = f.runAfterEither(f2, r);
2500	<	checkCompletedWithWrappedCFException(g);
2501	<	}
2495	>	checkCompletedExceptionally(f, ex);
2496	>	checkCompletedNormally(g, v1);
2497	>	checkCompletedWithWrappedException(h0, ex);
2498	>	checkCompletedWithWrappedException(h1, ex);
2499	>	checkCompletedWithWrappedException(h2, ex);
2500	>	checkCompletedWithWrappedException(h3, ex);
2501	>	checkCompletedWithWrappedException(h4, ex);
2502	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2503	>	}}
2504	>
2505	>	public void testAcceptEither_exceptionalCompletion2() {
2506	>	for (ExecutionMode m : ExecutionMode.values())
2507	>	for (boolean fFirst : new boolean[] { true, false })
2508	>	for (Integer v1 : new Integer[] { 1, null })
2509	>	{
2510	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2511	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2512	>	final CFException ex = new CFException();
2513	>	final NoopConsumer[] rs = new NoopConsumer[6];
2514	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2515	>
2516	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2517	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2518	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2519	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2520	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2521	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2522
2523	<	/**
2524	<	* runAfterEither result completes exceptionally if action does
2525	<	*/
2526	<	public void testRunAfterEither3() {
2527	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2528	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2529	<	FailingNoop r = new FailingNoop();
2530	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2531	<	f2.complete(two);
2532	<	checkCompletedWithWrappedCFException(g);
2533	<	}
2523	>	// unspecified behavior - both source completions available
2524	>	try {
2525	>	assertEquals(null, h0.join());
2526	>	rs[0].assertValue(v1);
2527	>	} catch (CompletionException ok) {
2528	>	checkCompletedWithWrappedException(h0, ex);
2529	>	rs[0].assertNotInvoked();
2530	>	}
2531	>	try {
2532	>	assertEquals(null, h1.join());
2533	>	rs[1].assertValue(v1);
2534	>	} catch (CompletionException ok) {
2535	>	checkCompletedWithWrappedException(h1, ex);
2536	>	rs[1].assertNotInvoked();
2537	>	}
2538	>	try {
2539	>	assertEquals(null, h2.join());
2540	>	rs[2].assertValue(v1);
2541	>	} catch (CompletionException ok) {
2542	>	checkCompletedWithWrappedException(h2, ex);
2543	>	rs[2].assertNotInvoked();
2544	>	}
2545	>	try {
2546	>	assertEquals(null, h3.join());
2547	>	rs[3].assertValue(v1);
2548	>	} catch (CompletionException ok) {
2549	>	checkCompletedWithWrappedException(h3, ex);
2550	>	rs[3].assertNotInvoked();
2551	>	}
2552
2553	<	/**
2554	<	* runAfterEither result completes exceptionally if either source cancelled
2555	<	*/
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	<	}
2553	>	checkCompletedNormally(f, v1);
2554	>	checkCompletedExceptionally(g, ex);
2555	>	}}
2556
2557		/**
2558	<	* thenCompose result completes normally after normal completion of source
2558	>	* acceptEither result completes exceptionally if either source cancelled
2559		*/
2560	<	public void testThenCompose() {
2561	<	CompletableFuture<Integer> f, g;
2562	<	CompletableFutureInc r;
2563	<
2564	<	f = new CompletableFuture<>();
2565	<	g = f.thenCompose(r = new CompletableFutureInc());
2566	<	f.complete(one);
2567	<	checkCompletedNormally(g, two);
2568	<	assertTrue(r.ran);
2560	>	public void testAcceptEither_sourceCancelled() {
2561	>	for (ExecutionMode m : ExecutionMode.values())
2562	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2563	>	for (Integer v1 : new Integer[] { 1, null })
2564	>	{
2565	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2566	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2567	>	final NoopConsumer[] rs = new NoopConsumer[6];
2568	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2569	>
2570	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2571	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2572	>	checkIncomplete(h0);
2573	>	checkIncomplete(h1);
2574	>	rs[0].assertNotInvoked();
2575	>	rs[1].assertNotInvoked();
2576	>	f.cancel(mayInterruptIfRunning);
2577	>	checkCompletedWithWrappedCancellationException(h0);
2578	>	checkCompletedWithWrappedCancellationException(h1);
2579	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2580	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2581	>	checkCompletedWithWrappedCancellationException(h2);
2582	>	checkCompletedWithWrappedCancellationException(h3);
2583	>
2584	>	g.complete(v1);
2585	>
2586	>	// unspecified behavior - both source completions available
2587	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2588	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2589	>	try {
2590	>	assertNull(h4.join());
2591	>	rs[4].assertValue(v1);
2592	>	} catch (CompletionException ok) {
2593	>	checkCompletedWithWrappedCancellationException(h4);
2594	>	rs[4].assertNotInvoked();
2595	>	}
2596	>	try {
2597	>	assertNull(h5.join());
2598	>	rs[5].assertValue(v1);
2599	>	} catch (CompletionException ok) {
2600	>	checkCompletedWithWrappedCancellationException(h5);
2601	>	rs[5].assertNotInvoked();
2602	>	}
2603
2604	<	f = new CompletableFuture<>();
2605	<	f.complete(one);
2606	<	g = f.thenCompose(r = new CompletableFutureInc());
2607	<	checkCompletedNormally(g, two);
2608	<	assertTrue(r.ran);
2609	<	}
2604	>	checkCancelled(f);
2605	>	checkCompletedNormally(g, v1);
2606	>	checkCompletedWithWrappedCancellationException(h0);
2607	>	checkCompletedWithWrappedCancellationException(h1);
2608	>	checkCompletedWithWrappedCancellationException(h2);
2609	>	checkCompletedWithWrappedCancellationException(h3);
2610	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2611	>	}}
2612
2613		/**
2614	<	* thenCompose result completes exceptionally after exceptional
1266	<	* completion of source
2614	>	* acceptEither result completes exceptionally if action does
2615		*/
2616	<	public void testThenCompose2() {
2617	<	CompletableFuture<Integer> f, g;
2618	<	CompletableFutureInc r;
2619	<
2620	<	f = new CompletableFuture<>();
2621	<	g = f.thenCompose(r = new CompletableFutureInc());
2622	<	f.completeExceptionally(new CFException());
2623	<	checkCompletedWithWrappedCFException(g);
2624	<
2625	<	f = new CompletableFuture<>();
2626	<	f.completeExceptionally(new CFException());
2627	<	g = f.thenCompose(r = new CompletableFutureInc());
2628	<	checkCompletedWithWrappedCFException(g);
2629	<	}
2616	>	public void testAcceptEither_actionFailed() {
2617	>	for (ExecutionMode m : ExecutionMode.values())
2618	>	for (Integer v1 : new Integer[] { 1, null })
2619	>	for (Integer v2 : new Integer[] { 2, null })
2620	>	{
2621	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2622	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2623	>	final FailingConsumer[] rs = new FailingConsumer[6];
2624	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2625	>
2626	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2627	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2628	>	f.complete(v1);
2629	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2630	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2631	>	checkCompletedWithWrappedCFException(h0);
2632	>	checkCompletedWithWrappedCFException(h1);
2633	>	checkCompletedWithWrappedCFException(h2);
2634	>	checkCompletedWithWrappedCFException(h3);
2635	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2636	>
2637	>	g.complete(v2);
2638	>
2639	>	// unspecified behavior - both source completions available
2640	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2641	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2642	>
2643	>	checkCompletedWithWrappedCFException(h4);
2644	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2645	>	Objects.equals(v2, rs[4].value));
2646	>	checkCompletedWithWrappedCFException(h5);
2647	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2648	>	Objects.equals(v2, rs[5].value));
2649	>
2650	>	checkCompletedNormally(f, v1);
2651	>	checkCompletedNormally(g, v2);
2652	>	}}
2653
2654		/**
2655	<	* thenCompose result completes exceptionally if action does
2655	>	* runAfterEither result completes normally after normal completion
2656	>	* of either source
2657		*/
2658	<	public void testThenCompose3() {
2659	<	CompletableFuture<Integer> f, g;
2660	<	FailingCompletableFutureFunction r;
2661	<
2662	<	f = new CompletableFuture<>();
2663	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2664	<	f.complete(one);
2665	<	checkCompletedWithWrappedCFException(g);
2666	<
2667	<	f = new CompletableFuture<>();
2668	<	f.complete(one);
2669	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2670	<	checkCompletedWithWrappedCFException(g);
2671	<	}
2658	>	public void testRunAfterEither_normalCompletion() {
2659	>	for (ExecutionMode m : ExecutionMode.values())
2660	>	for (Integer v1 : new Integer[] { 1, null })
2661	>	for (Integer v2 : new Integer[] { 2, null })
2662	>	{
2663	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2664	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2665	>	final Noop[] rs = new Noop[6];
2666	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2667	>
2668	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2669	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2670	>	checkIncomplete(h0);
2671	>	checkIncomplete(h1);
2672	>	rs[0].assertNotInvoked();
2673	>	rs[1].assertNotInvoked();
2674	>	f.complete(v1);
2675	>	checkCompletedNormally(h0, null);
2676	>	checkCompletedNormally(h1, null);
2677	>	rs[0].assertInvoked();
2678	>	rs[1].assertInvoked();
2679	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2680	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2681	>	checkCompletedNormally(h2, null);
2682	>	checkCompletedNormally(h3, null);
2683	>	rs[2].assertInvoked();
2684	>	rs[3].assertInvoked();
2685	>
2686	>	g.complete(v2);
2687	>
2688	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2689	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2690	>
2691	>	checkCompletedNormally(f, v1);
2692	>	checkCompletedNormally(g, v2);
2693	>	checkCompletedNormally(h0, null);
2694	>	checkCompletedNormally(h1, null);
2695	>	checkCompletedNormally(h2, null);
2696	>	checkCompletedNormally(h3, null);
2697	>	checkCompletedNormally(h4, null);
2698	>	checkCompletedNormally(h5, null);
2699	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2700	>	}}
2701
2702		/**
2703	<	* thenCompose result completes exceptionally if source cancelled
2703	>	* runAfterEither result completes exceptionally after exceptional
2704	>	* completion of either source
2705		*/
2706	<	public void testThenCompose4() {
2707	<	CompletableFuture<Integer> f, g;
2708	<	CompletableFutureInc r;
2709	<
2710	<	f = new CompletableFuture<>();
2711	<	g = f.thenCompose(r = new CompletableFutureInc());
2712	<	assertTrue(f.cancel(true));
2713	<	checkCompletedWithWrappedCancellationException(g);
2714	<
2715	<	f = new CompletableFuture<>();
2716	<	assertTrue(f.cancel(true));
2717	<	g = f.thenCompose(r = new CompletableFutureInc());
2718	<	checkCompletedWithWrappedCancellationException(g);
2719	<	}
2706	>	public void testRunAfterEither_exceptionalCompletion() {
2707	>	for (ExecutionMode m : ExecutionMode.values())
2708	>	for (Integer v1 : new Integer[] { 1, null })
2709	>	{
2710	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2711	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2712	>	final CFException ex = new CFException();
2713	>	final Noop[] rs = new Noop[6];
2714	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2715	>
2716	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2717	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2718	>	checkIncomplete(h0);
2719	>	checkIncomplete(h1);
2720	>	rs[0].assertNotInvoked();
2721	>	rs[1].assertNotInvoked();
2722	>	assertTrue(f.completeExceptionally(ex));
2723	>	checkCompletedWithWrappedException(h0, ex);
2724	>	checkCompletedWithWrappedException(h1, ex);
2725	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2726	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2727	>	checkCompletedWithWrappedException(h2, ex);
2728	>	checkCompletedWithWrappedException(h3, ex);
2729	>
2730	>	assertTrue(g.complete(v1));
2731	>
2732	>	// unspecified behavior - both source completions available
2733	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2734	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2735	>	try {
2736	>	assertNull(h4.join());
2737	>	rs[4].assertInvoked();
2738	>	} catch (CompletionException ok) {
2739	>	checkCompletedWithWrappedException(h4, ex);
2740	>	rs[4].assertNotInvoked();
2741	>	}
2742	>	try {
2743	>	assertNull(h5.join());
2744	>	rs[5].assertInvoked();
2745	>	} catch (CompletionException ok) {
2746	>	checkCompletedWithWrappedException(h5, ex);
2747	>	rs[5].assertNotInvoked();
2748	>	}
2749
2750	<	// asyncs
2750	>	checkCompletedExceptionally(f, ex);
2751	>	checkCompletedNormally(g, v1);
2752	>	checkCompletedWithWrappedException(h0, ex);
2753	>	checkCompletedWithWrappedException(h1, ex);
2754	>	checkCompletedWithWrappedException(h2, ex);
2755	>	checkCompletedWithWrappedException(h3, ex);
2756	>	checkCompletedWithWrappedException(h4, ex);
2757	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2758	>	}}
2759	>
2760	>	public void testRunAfterEither_exceptionalCompletion2() {
2761	>	for (ExecutionMode m : ExecutionMode.values())
2762	>	for (boolean fFirst : new boolean[] { true, false })
2763	>	for (Integer v1 : new Integer[] { 1, null })
2764	>	{
2765	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2766	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2767	>	final CFException ex = new CFException();
2768	>	final Noop[] rs = new Noop[6];
2769	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2770	>
2771	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2772	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2773	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2774	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2775	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2776	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2777
2778	<	/**
2779	<	* thenRunAsync result completes normally after normal completion of source
2780	<	*/
2781	<	public void testThenRunAsync() {
2782	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2783	<	Noop r = new Noop();
2784	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2785	<	f.complete(null);
2786	<	checkCompletedNormally(g, null);
2778	>	// unspecified behavior - both source completions available
2779	>	try {
2780	>	assertEquals(null, h0.join());
2781	>	rs[0].assertInvoked();
2782	>	} catch (CompletionException ok) {
2783	>	checkCompletedWithWrappedException(h0, ex);
2784	>	rs[0].assertNotInvoked();
2785	>	}
2786	>	try {
2787	>	assertEquals(null, h1.join());
2788	>	rs[1].assertInvoked();
2789	>	} catch (CompletionException ok) {
2790	>	checkCompletedWithWrappedException(h1, ex);
2791	>	rs[1].assertNotInvoked();
2792	>	}
2793	>	try {
2794	>	assertEquals(null, h2.join());
2795	>	rs[2].assertInvoked();
2796	>	} catch (CompletionException ok) {
2797	>	checkCompletedWithWrappedException(h2, ex);
2798	>	rs[2].assertNotInvoked();
2799	>	}
2800	>	try {
2801	>	assertEquals(null, h3.join());
2802	>	rs[3].assertInvoked();
2803	>	} catch (CompletionException ok) {
2804	>	checkCompletedWithWrappedException(h3, ex);
2805	>	rs[3].assertNotInvoked();
2806	>	}
2807
2808	<	// reordered version
2809	<	f = new CompletableFuture<>();
2810	<	f.complete(null);
1334	<	r = new Noop();
1335	<	g = f.thenRunAsync(r);
1336	<	checkCompletedNormally(g, null);
1337	<	}
2808	>	checkCompletedNormally(f, v1);
2809	>	checkCompletedExceptionally(g, ex);
2810	>	}}
2811
2812		/**
2813	<	* thenRunAsync result completes exceptionally after exceptional
1341	<	* completion of source
2813	>	* runAfterEither result completes exceptionally if either source cancelled
2814		*/
2815	<	public void testThenRunAsync2() {
2816	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2817	<	Noop r = new Noop();
2818	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2819	<	f.completeExceptionally(new CFException());
2815	>	public void testRunAfterEither_sourceCancelled() {
2816	>	for (ExecutionMode m : ExecutionMode.values())
2817	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2818	>	for (Integer v1 : new Integer[] { 1, null })
2819	>	{
2820	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2821	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2822	>	final Noop[] rs = new Noop[6];
2823	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2824	>
2825	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2826	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2827	>	checkIncomplete(h0);
2828	>	checkIncomplete(h1);
2829	>	rs[0].assertNotInvoked();
2830	>	rs[1].assertNotInvoked();
2831	>	f.cancel(mayInterruptIfRunning);
2832	>	checkCompletedWithWrappedCancellationException(h0);
2833	>	checkCompletedWithWrappedCancellationException(h1);
2834	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2835	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2836	>	checkCompletedWithWrappedCancellationException(h2);
2837	>	checkCompletedWithWrappedCancellationException(h3);
2838	>
2839	>	assertTrue(g.complete(v1));
2840	>
2841	>	// unspecified behavior - both source completions available
2842	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2843	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2844		try {
2845	<	g.join();
2846	<	shouldThrow();
2847	<	} catch (Exception ok) {
2845	>	assertNull(h4.join());
2846	>	rs[4].assertInvoked();
2847	>	} catch (CompletionException ok) {
2848	>	checkCompletedWithWrappedCancellationException(h4);
2849	>	rs[4].assertNotInvoked();
2850	>	}
2851	>	try {
2852	>	assertNull(h5.join());
2853	>	rs[5].assertInvoked();
2854	>	} catch (CompletionException ok) {
2855	>	checkCompletedWithWrappedCancellationException(h5);
2856	>	rs[5].assertNotInvoked();
2857		}
1353	–	checkCompletedWithWrappedCFException(g);
1354	–	}
2858
2859	<	/**
2860	<	* thenRunAsync result completes exceptionally if action does
2861	<	*/
2862	<	public void testThenRunAsync3() {
2863	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2864	<	FailingNoop r = new FailingNoop();
2865	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2866	<	f.complete(null);
1364	<	checkCompletedWithWrappedCFException(g);
1365	<	}
2859	>	checkCancelled(f);
2860	>	checkCompletedNormally(g, v1);
2861	>	checkCompletedWithWrappedCancellationException(h0);
2862	>	checkCompletedWithWrappedCancellationException(h1);
2863	>	checkCompletedWithWrappedCancellationException(h2);
2864	>	checkCompletedWithWrappedCancellationException(h3);
2865	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2866	>	}}
2867
2868		/**
2869	<	* thenRunAsync result completes exceptionally if source cancelled
2869	>	* runAfterEither result completes exceptionally if action does
2870		*/
2871	<	public void testThenRunAsync4() {
2872	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2873	<	Noop r = new Noop();
2874	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2875	<	assertTrue(f.cancel(true));
2876	<	checkCompletedWithWrappedCancellationException(g);
2877	<	}
2871	>	public void testRunAfterEither_actionFailed() {
2872	>	for (ExecutionMode m : ExecutionMode.values())
2873	>	for (Integer v1 : new Integer[] { 1, null })
2874	>	for (Integer v2 : new Integer[] { 2, null })
2875	>	{
2876	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2877	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2878	>	final FailingRunnable[] rs = new FailingRunnable[6];
2879	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2880	>
2881	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2882	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2883	>	assertTrue(f.complete(v1));
2884	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2885	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2886	>	checkCompletedWithWrappedCFException(h0);
2887	>	checkCompletedWithWrappedCFException(h1);
2888	>	checkCompletedWithWrappedCFException(h2);
2889	>	checkCompletedWithWrappedCFException(h3);
2890	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2891	>	assertTrue(g.complete(v2));
2892	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2893	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2894	>	checkCompletedWithWrappedCFException(h4);
2895	>	checkCompletedWithWrappedCFException(h5);
2896	>
2897	>	checkCompletedNormally(f, v1);
2898	>	checkCompletedNormally(g, v2);
2899	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2900	>	}}
2901
2902		/**
2903	<	* thenApplyAsync result completes normally after normal completion of source
2903	>	* thenCompose result completes normally after normal completion of source
2904		*/
2905	<	public void testThenApplyAsync() {
2906	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2907	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2908	<	f.complete(one);
2909	<	checkCompletedNormally(g, two);
2910	<	}
2905	>	public void testThenCompose_normalCompletion() {
2906	>	for (ExecutionMode m : ExecutionMode.values())
2907	>	for (boolean createIncomplete : new boolean[] { true, false })
2908	>	for (Integer v1 : new Integer[] { 1, null })
2909	>	{
2910	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2911	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2912	>	if (!createIncomplete) assertTrue(f.complete(v1));
2913	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2914	>	if (createIncomplete) assertTrue(f.complete(v1));
2915	>
2916	>	checkCompletedNormally(g, inc(v1));
2917	>	checkCompletedNormally(f, v1);
2918	>	r.assertValue(v1);
2919	>	}}
2920
2921		/**
2922	<	* thenApplyAsync result completes exceptionally after exceptional
2922	>	* thenCompose result completes exceptionally after exceptional
2923		* completion of source
2924		*/
2925	<	public void testThenApplyAsync2() {
2926	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2927	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2928	<	f.completeExceptionally(new CFException());
2929	<	checkCompletedWithWrappedCFException(g);
2930	<	}
2931	<
2932	<	/**
2933	<	* thenApplyAsync result completes exceptionally if action does
2934	<	*/
2935	<	public void testThenApplyAsync3() {
2936	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2937	<	FailingFunction r = new FailingFunction();
2938	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2939	<	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	<	}
2925	>	public void testThenCompose_exceptionalCompletion() {
2926	>	for (ExecutionMode m : ExecutionMode.values())
2927	>	for (boolean createIncomplete : new boolean[] { true, false })
2928	>	{
2929	>	final CFException ex = new CFException();
2930	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2931	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2932	>	if (!createIncomplete) f.completeExceptionally(ex);
2933	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2934	>	if (createIncomplete) f.completeExceptionally(ex);
2935	>
2936	>	checkCompletedWithWrappedException(g, ex);
2937	>	checkCompletedExceptionally(f, ex);
2938	>	r.assertNotInvoked();
2939	>	}}
2940
2941		/**
2942	<	* thenAcceptAsync result completes normally after normal
1422	<	* completion of source
2942	>	* thenCompose result completes exceptionally if action does
2943		*/
2944	<	public void testThenAcceptAsync() {
2945	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2946	<	IncAction r = new IncAction();
2947	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2948	<	f.complete(one);
2949	<	checkCompletedNormally(g, null);
2950	<	assertEquals(r.value, 2);
2951	<	}
2944	>	public void testThenCompose_actionFailed() {
2945	>	for (ExecutionMode m : ExecutionMode.values())
2946	>	for (boolean createIncomplete : new boolean[] { true, false })
2947	>	for (Integer v1 : new Integer[] { 1, null })
2948	>	{
2949	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2950	>	final FailingCompletableFutureFunction r
2951	>	= new FailingCompletableFutureFunction(m);
2952	>	if (!createIncomplete) assertTrue(f.complete(v1));
2953	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2954	>	if (createIncomplete) assertTrue(f.complete(v1));
2955
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());
2956		checkCompletedWithWrappedCFException(g);
2957	<	}
2957	>	checkCompletedNormally(f, v1);
2958	>	}}
2959
2960		/**
2961	<	* thenAcceptAsync result completes exceptionally if action does
2961	>	* thenCompose result completes exceptionally if source cancelled
2962		*/
2963	<	public void testThenAcceptAsync3() {
2964	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2965	<	FailingConsumer r = new FailingConsumer();
2966	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2967	<	f.complete(null);
2968	<	checkCompletedWithWrappedCFException(g);
2969	<	}
2963	>	public void testThenCompose_sourceCancelled() {
2964	>	for (ExecutionMode m : ExecutionMode.values())
2965	>	for (boolean createIncomplete : new boolean[] { true, false })
2966	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2967	>	{
2968	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2969	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2970	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2971	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2972	>	if (createIncomplete) {
2973	>	checkIncomplete(g);
2974	>	assertTrue(f.cancel(mayInterruptIfRunning));
2975	>	}
2976
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));
2977		checkCompletedWithWrappedCancellationException(g);
2978	<	}
2978	>	checkCancelled(f);
2979	>	}}
2980
2981		/**
2982	<	* thenCombineAsync result completes normally after normal
1469	<	* completion of sources
2982	>	* thenCompose result completes exceptionally if the result of the action does
2983		*/
2984	<	public void testThenCombineAsync() {
2985	<	CompletableFuture<Integer> f, g, h;
2986	<
2987	<	f = new CompletableFuture<>();
2988	<	g = new CompletableFuture<>();
2989	<	h = f.thenCombineAsync(g, subtract);
2990	<	f.complete(3);
2991	<	checkIncomplete(h);
2992	<	g.complete(1);
2993	<	checkCompletedNormally(h, 2);
2984	>	public void testThenCompose_actionReturnsFailingFuture() {
2985	>	for (ExecutionMode m : ExecutionMode.values())
2986	>	for (int order = 0; order < 6; order++)
2987	>	for (Integer v1 : new Integer[] { 1, null })
2988	>	{
2989	>	final CFException ex = new CFException();
2990	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2991	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2992	>	final CompletableFuture<Integer> h;
2993	>	// Test all permutations of orders
2994	>	switch (order) {
2995	>	case 0:
2996	>	assertTrue(f.complete(v1));
2997	>	assertTrue(g.completeExceptionally(ex));
2998	>	h = m.thenCompose(f, (x -> g));
2999	>	break;
3000	>	case 1:
3001	>	assertTrue(f.complete(v1));
3002	>	h = m.thenCompose(f, (x -> g));
3003	>	assertTrue(g.completeExceptionally(ex));
3004	>	break;
3005	>	case 2:
3006	>	assertTrue(g.completeExceptionally(ex));
3007	>	assertTrue(f.complete(v1));
3008	>	h = m.thenCompose(f, (x -> g));
3009	>	break;
3010	>	case 3:
3011	>	assertTrue(g.completeExceptionally(ex));
3012	>	h = m.thenCompose(f, (x -> g));
3013	>	assertTrue(f.complete(v1));
3014	>	break;
3015	>	case 4:
3016	>	h = m.thenCompose(f, (x -> g));
3017	>	assertTrue(f.complete(v1));
3018	>	assertTrue(g.completeExceptionally(ex));
3019	>	break;
3020	>	case 5:
3021	>	h = m.thenCompose(f, (x -> g));
3022	>	assertTrue(f.complete(v1));
3023	>	assertTrue(g.completeExceptionally(ex));
3024	>	break;
3025	>	default: throw new AssertionError();
3026	>	}
3027
3028	<	f = new CompletableFuture<>();
3029	<	g = new CompletableFuture<>();
3030	<	h = f.thenCombineAsync(g, subtract);
3031	<	g.complete(1);
1486	<	checkIncomplete(h);
1487	<	f.complete(3);
1488	<	checkCompletedNormally(h, 2);
3028	>	checkCompletedExceptionally(g, ex);
3029	>	checkCompletedWithWrappedException(h, ex);
3030	>	checkCompletedNormally(f, v1);
3031	>	}}
3032
3033	<	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	<	}
3033	>	// other static methods
3034
3035		/**
3036	<	* thenCombineAsync result completes exceptionally after exceptional
3037	<	* completion of either source
3036	>	* allOf(no component futures) returns a future completed normally
3037	>	* with the value null
3038		*/
3039	<	public void testThenCombineAsync2() {
3040	<	CompletableFuture<Integer> f, g, h;
3041	<
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);
3039	>	public void testAllOf_empty() throws Exception {
3040	>	CompletableFuture<Void> f = CompletableFuture.allOf();
3041	>	checkCompletedNormally(f, null);
3042		}
3043
3044		/**
3045	<	* thenCombineAsync result completes exceptionally if action does
3045	>	* allOf returns a future completed normally with the value null
3046	>	* when all components complete normally
3047		*/
3048	<	public void testThenCombineAsync3() {
3049	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3050	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3051	<	FailingBiFunction r = new FailingBiFunction();
3052	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
3053	<	f.complete(one);
3054	<	checkIncomplete(g);
3055	<	assertFalse(r.ran);
3056	<	f2.complete(two);
3057	<	checkCompletedWithWrappedCFException(g);
3058	<	assertTrue(r.ran);
3048	>	public void testAllOf_normal() throws Exception {
3049	>	for (int k = 1; k < 10; k++) {
3050	>	CompletableFuture<Integer>[] fs
3051	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3052	>	for (int i = 0; i < k; i++)
3053	>	fs[i] = new CompletableFuture<>();
3054	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3055	>	for (int i = 0; i < k; i++) {
3056	>	checkIncomplete(f);
3057	>	checkIncomplete(CompletableFuture.allOf(fs));
3058	>	fs[i].complete(one);
3059	>	}
3060	>	checkCompletedNormally(f, null);
3061	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3062	>	}
3063		}
3064
3065	<	/**
3066	<	* thenCombineAsync result completes exceptionally if either source cancelled
3067	<	*/
3068	<	public void testThenCombineAsync4() {
3069	<	CompletableFuture<Integer> f, g, h;
3070	<
3071	<	f = new CompletableFuture<>();
3072	<	g = new CompletableFuture<>();
3073	<	h = f.thenCombineAsync(g, subtract);
3074	<	assertTrue(f.cancel(true));
3075	<	checkIncomplete(h);
3076	<	g.complete(1);
3077	<	checkCompletedWithWrappedCancellationException(h);
3078	<
3079	<	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);
3065	>	public void testAllOf_backwards() throws Exception {
3066	>	for (int k = 1; k < 10; k++) {
3067	>	CompletableFuture<Integer>[] fs
3068	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3069	>	for (int i = 0; i < k; i++)
3070	>	fs[i] = new CompletableFuture<>();
3071	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3072	>	for (int i = k - 1; i >= 0; i--) {
3073	>	checkIncomplete(f);
3074	>	checkIncomplete(CompletableFuture.allOf(fs));
3075	>	fs[i].complete(one);
3076	>	}
3077	>	checkCompletedNormally(f, null);
3078	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3079	>	}
3080		}
3081
3082	<	/**
3083	<	* thenAcceptBothAsync result completes normally after normal
3084	<	* completion of sources
3085	<	*/
3086	<	public void testThenAcceptBothAsync() {
3087	<	CompletableFuture<Integer> f, g;
3088	<	CompletableFuture<Void> h;
3089	<	SubtractAction r;
3090	<
3091	<	f = new CompletableFuture<>();
3092	<	g = new CompletableFuture<>();
3093	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3094	<	f.complete(3);
3095	<	checkIncomplete(h);
3096	<	g.complete(1);
3097	<	checkCompletedNormally(h, null);
3098	<	assertEquals(r.value, 2);
3099	<
3100	<	f = new CompletableFuture<>();
3101	<	g = new CompletableFuture<>();
3102	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3103	<	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);
3082	>	public void testAllOf_exceptional() throws Exception {
3083	>	for (int k = 1; k < 10; k++) {
3084	>	CompletableFuture<Integer>[] fs
3085	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3086	>	CFException ex = new CFException();
3087	>	for (int i = 0; i < k; i++)
3088	>	fs[i] = new CompletableFuture<>();
3089	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3090	>	for (int i = 0; i < k; i++) {
3091	>	checkIncomplete(f);
3092	>	checkIncomplete(CompletableFuture.allOf(fs));
3093	>	if (i != k / 2) {
3094	>	fs[i].complete(i);
3095	>	checkCompletedNormally(fs[i], i);
3096	>	} else {
3097	>	fs[i].completeExceptionally(ex);
3098	>	checkCompletedExceptionally(fs[i], ex);
3099	>	}
3100	>	}
3101	>	checkCompletedWithWrappedException(f, ex);
3102	>	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3103	>	}
3104		}
3105
3106		/**
3107	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1620	<	* completion of source
3107	>	* anyOf(no component futures) returns an incomplete future
3108		*/
3109	<	public void testThenAcceptBothAsync2() {
3110	<	CompletableFuture<Integer> f, g;
3111	<	CompletableFuture<Void> h;
3112	<	SubtractAction r;
3113	<
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);
3109	>	public void testAnyOf_empty() throws Exception {
3110	>	for (Integer v1 : new Integer[] { 1, null })
3111	>	{
3112	>	CompletableFuture<Object> f = CompletableFuture.anyOf();
3113	>	checkIncomplete(f);
3114
3115	<	f = new CompletableFuture<>();
3116	<	g = new CompletableFuture<>();
3117	<	f.completeExceptionally(new CFException());
1653	<	g.complete(3);
1654	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1655	<	checkCompletedWithWrappedCFException(h);
1656	<	}
3115	>	f.complete(v1);
3116	>	checkCompletedNormally(f, v1);
3117	>	}}
3118
3119		/**
3120	<	* thenAcceptBothAsync result completes exceptionally if action does
3120	>	* anyOf returns a future completed normally with a value when
3121	>	* a component future does
3122		*/
3123	<	public void testThenAcceptBothAsync3() {
3124	<	CompletableFuture<Integer> f, g;
3125	<	CompletableFuture<Void> h;
3126	<	FailingBiConsumer r;
3127	<
3128	<	f = new CompletableFuture<>();
3129	<	g = new CompletableFuture<>();
3130	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
3131	<	f.complete(3);
3132	<	checkIncomplete(h);
3133	<	g.complete(1);
3134	<	checkCompletedWithWrappedCFException(h);
3135	<
3136	<	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);
3123	>	public void testAnyOf_normal() throws Exception {
3124	>	for (int k = 0; k < 10; k++) {
3125	>	CompletableFuture[] fs = new CompletableFuture[k];
3126	>	for (int i = 0; i < k; i++)
3127	>	fs[i] = new CompletableFuture<>();
3128	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3129	>	checkIncomplete(f);
3130	>	for (int i = 0; i < k; i++) {
3131	>	fs[i].complete(i);
3132	>	checkCompletedNormally(f, 0);
3133	>	int x = (int) CompletableFuture.anyOf(fs).join();
3134	>	assertTrue(0 <= x && x <= i);
3135	>	}
3136	>	}
3137		}
3138	<
3139	<	/**
3140	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
3141	<	*/
3142	<	public void testThenAcceptBothAsync4() {
3143	<	CompletableFuture<Integer> f, g;
3144	<	CompletableFuture<Void> h;
3145	<	SubtractAction r;
3146	<
3147	<	f = new CompletableFuture<>();
3148	<	g = new CompletableFuture<>();
3149	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3150	<	assertTrue(f.cancel(true));
3151	<	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);
3138	>	public void testAnyOf_normal_backwards() throws Exception {
3139	>	for (int k = 0; k < 10; k++) {
3140	>	CompletableFuture[] fs = new CompletableFuture[k];
3141	>	for (int i = 0; i < k; i++)
3142	>	fs[i] = new CompletableFuture<>();
3143	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3144	>	checkIncomplete(f);
3145	>	for (int i = k - 1; i >= 0; i--) {
3146	>	fs[i].complete(i);
3147	>	checkCompletedNormally(f, k - 1);
3148	>	int x = (int) CompletableFuture.anyOf(fs).join();
3149	>	assertTrue(i <= x && x <= k - 1);
3150	>	}
3151	>	}
3152		}
3153
3154		/**
3155	<	* runAfterBothAsync result completes normally after normal
1723	<	* completion of sources
3155	>	* anyOf result completes exceptionally when any component does.
3156		*/
3157	<	public void testRunAfterBothAsync() {
3158	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3159	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3160	<	Noop r = new Noop();
3161	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3162	<	f.complete(one);
3163	<	checkIncomplete(g);
3164	<	f2.complete(two);
3165	<	checkCompletedNormally(g, null);
3166	<	assertTrue(r.ran);
3157	>	public void testAnyOf_exceptional() throws Exception {
3158	>	for (int k = 0; k < 10; k++) {
3159	>	CompletableFuture[] fs = new CompletableFuture[k];
3160	>	CFException[] exs = new CFException[k];
3161	>	for (int i = 0; i < k; i++) {
3162	>	fs[i] = new CompletableFuture<>();
3163	>	exs[i] = new CFException();
3164	>	}
3165	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3166	>	checkIncomplete(f);
3167	>	for (int i = 0; i < k; i++) {
3168	>	fs[i].completeExceptionally(exs[i]);
3169	>	checkCompletedWithWrappedException(f, exs[0]);
3170	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3171	>	}
3172	>	}
3173		}
3174
3175	<	/**
3176	<	* runAfterBothAsync result completes exceptionally after exceptional
3177	<	* completion of source
3178	<	*/
3179	<	public void testRunAfterBothAsync2() {
3180	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3181	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3182	<	Noop r = new Noop();
3183	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3184	<	f.completeExceptionally(new CFException());
3185	<	f2.complete(two);
3186	<	checkCompletedWithWrappedCFException(g);
3187	<
3188	<	r = new Noop();
3189	<	f = new CompletableFuture<>();
3190	<	f2 = new CompletableFuture<>();
1753	<	g = f.runAfterBothAsync(f2, r);
1754	<	f.complete(one);
1755	<	f2.completeExceptionally(new CFException());
1756	<	checkCompletedWithWrappedCFException(g);
3175	>	public void testAnyOf_exceptional_backwards() throws Exception {
3176	>	for (int k = 0; k < 10; k++) {
3177	>	CompletableFuture[] fs = new CompletableFuture[k];
3178	>	CFException[] exs = new CFException[k];
3179	>	for (int i = 0; i < k; i++) {
3180	>	fs[i] = new CompletableFuture<>();
3181	>	exs[i] = new CFException();
3182	>	}
3183	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3184	>	checkIncomplete(f);
3185	>	for (int i = k - 1; i >= 0; i--) {
3186	>	fs[i].completeExceptionally(exs[i]);
3187	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3188	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3189	>	}
3190	>	}
3191		}
3192
3193		/**
3194	<	* runAfterBothAsync result completes exceptionally if action does
3194	>	* Completion methods throw NullPointerException with null arguments
3195		*/
3196	<	public void testRunAfterBothAsync3() {
3196	>	public void testNPE() {
3197		CompletableFuture<Integer> f = new CompletableFuture<>();
3198	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3199	<	FailingNoop r = new FailingNoop();
3200	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1767	<	f.complete(one);
1768	<	checkIncomplete(g);
1769	<	f2.complete(two);
1770	<	checkCompletedWithWrappedCFException(g);
1771	<	}
3198	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3199	>	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3200	>	ThreadExecutor exec = new ThreadExecutor();
3201
3202	<	/**
3203	<	* runAfterBothAsync result completes exceptionally if either source cancelled
3204	<	*/
3205	<	public void testRunAfterBothAsync4() {
3206	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3207	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3208	<	Noop r = new Noop();
3209	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3210	<	assertTrue(f.cancel(true));
3211	<	f2.complete(two);
3212	<	checkCompletedWithWrappedCancellationException(g);
3202	>	Runnable[] throwingActions = {
3203	>	() -> CompletableFuture.supplyAsync(null),
3204	>	() -> CompletableFuture.supplyAsync(null, exec),
3205	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3206	>
3207	>	() -> CompletableFuture.runAsync(null),
3208	>	() -> CompletableFuture.runAsync(null, exec),
3209	>	() -> CompletableFuture.runAsync(() -> {}, null),
3210	>
3211	>	() -> f.completeExceptionally(null),
3212	>
3213	>	() -> f.thenApply(null),
3214	>	() -> f.thenApplyAsync(null),
3215	>	() -> f.thenApplyAsync((x) -> x, null),
3216	>	() -> f.thenApplyAsync(null, exec),
3217	>
3218	>	() -> f.thenAccept(null),
3219	>	() -> f.thenAcceptAsync(null),
3220	>	() -> f.thenAcceptAsync((x) -> {} , null),
3221	>	() -> f.thenAcceptAsync(null, exec),
3222	>
3223	>	() -> f.thenRun(null),
3224	>	() -> f.thenRunAsync(null),
3225	>	() -> f.thenRunAsync(() -> {} , null),
3226	>	() -> f.thenRunAsync(null, exec),
3227	>
3228	>	() -> f.thenCombine(g, null),
3229	>	() -> f.thenCombineAsync(g, null),
3230	>	() -> f.thenCombineAsync(g, null, exec),
3231	>	() -> f.thenCombine(nullFuture, (x, y) -> x),
3232	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3233	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3234	>	() -> f.thenCombineAsync(g, (x, y) -> x, null),
3235	>
3236	>	() -> f.thenAcceptBoth(g, null),
3237	>	() -> f.thenAcceptBothAsync(g, null),
3238	>	() -> f.thenAcceptBothAsync(g, null, exec),
3239	>	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3240	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3241	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3242	>	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3243	>
3244	>	() -> f.runAfterBoth(g, null),
3245	>	() -> f.runAfterBothAsync(g, null),
3246	>	() -> f.runAfterBothAsync(g, null, exec),
3247	>	() -> f.runAfterBoth(nullFuture, () -> {}),
3248	>	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3249	>	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3250	>	() -> f.runAfterBothAsync(g, () -> {}, null),
3251	>
3252	>	() -> f.applyToEither(g, null),
3253	>	() -> f.applyToEitherAsync(g, null),
3254	>	() -> f.applyToEitherAsync(g, null, exec),
3255	>	() -> f.applyToEither(nullFuture, (x) -> x),
3256	>	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3257	>	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3258	>	() -> f.applyToEitherAsync(g, (x) -> x, null),
3259	>
3260	>	() -> f.acceptEither(g, null),
3261	>	() -> f.acceptEitherAsync(g, null),
3262	>	() -> f.acceptEitherAsync(g, null, exec),
3263	>	() -> f.acceptEither(nullFuture, (x) -> {}),
3264	>	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3265	>	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3266	>	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3267	>
3268	>	() -> f.runAfterEither(g, null),
3269	>	() -> f.runAfterEitherAsync(g, null),
3270	>	() -> f.runAfterEitherAsync(g, null, exec),
3271	>	() -> f.runAfterEither(nullFuture, () -> {}),
3272	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3273	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3274	>	() -> f.runAfterEitherAsync(g, () -> {}, null),
3275	>
3276	>	() -> f.thenCompose(null),
3277	>	() -> f.thenComposeAsync(null),
3278	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3279	>	() -> f.thenComposeAsync(null, exec),
3280	>
3281	>	() -> f.exceptionally(null),
3282	>
3283	>	() -> f.handle(null),
3284	>
3285	>	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3286	>	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3287	>	() -> CompletableFuture.allOf(f, null),
3288	>	() -> CompletableFuture.allOf(null, f),
3289	>
3290	>	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3291	>	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3292	>	() -> CompletableFuture.anyOf(f, null),
3293	>	() -> CompletableFuture.anyOf(null, f),
3294	>
3295	>	() -> f.obtrudeException(null),
3296	>
3297	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3298	>	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3299	>	() -> CompletableFuture.delayedExecutor(1L, null),
3300
3301	<	r = new Noop();
3302	<	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	<	}
3301	>	() -> f.orTimeout(1L, null),
3302	>	() -> f.completeOnTimeout(42, 1L, null),
3303
3304	<	/**
3305	<	* applyToEitherAsync result completes normally after normal
3306	<	* 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);
3304	>	() -> CompletableFuture.failedFuture(null),
3305	>	() -> CompletableFuture.failedStage(null),
3306	>	};
3307
3308	<	f = new CompletableFuture<>();
3309	<	f.complete(one);
1807	<	f2 = new CompletableFuture<>();
1808	<	g = f.applyToEitherAsync(f2, inc);
1809	<	checkCompletedNormally(g, two);
3308	>	assertThrows(NullPointerException.class, throwingActions);
3309	>	assertEquals(0, exec.count.get());
3310		}
3311
3312		/**
3313	<	* applyToEitherAsync result completes exceptionally after exceptional
1814	<	* completion of source
3313	>	* toCompletableFuture returns this CompletableFuture.
3314		*/
3315	<	public void testApplyToEitherAsync2() {
3315	>	public void testToCompletableFuture() {
3316		CompletableFuture<Integer> f = new CompletableFuture<>();
3317	<	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);
3317	>	assertSame(f, f.toCompletableFuture());
3318		}
3319
3320	<	/**
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	<	}
3320	>	// jdk9
3321
3322		/**
3323	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3323	>	* newIncompleteFuture returns an incomplete CompletableFuture
3324		*/
3325	<	public void testApplyToEitherAsync4() {
3325	>	public void testNewIncompleteFuture() {
3326	>	for (Integer v1 : new Integer[] { 1, null })
3327	>	{
3328		CompletableFuture<Integer> f = new CompletableFuture<>();
3329	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3330	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
3331	<	assertTrue(f.cancel(true));
3332	<	checkCompletedWithWrappedCancellationException(g);
3333	<
3334	<	f = new CompletableFuture<>();
3335	<	f2 = new CompletableFuture<>();
3336	<	assertTrue(f2.cancel(true));
3337	<	g = f.applyToEitherAsync(f2, inc);
3338	<	checkCompletedWithWrappedCancellationException(g);
1858	<	}
3329	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3330	>	checkIncomplete(f);
3331	>	checkIncomplete(g);
3332	>	f.complete(v1);
3333	>	checkCompletedNormally(f, v1);
3334	>	checkIncomplete(g);
3335	>	g.complete(v1);
3336	>	checkCompletedNormally(g, v1);
3337	>	assertSame(g.getClass(), CompletableFuture.class);
3338	>	}}
3339
3340		/**
3341	<	* acceptEitherAsync result completes normally after normal
1862	<	* completion of sources
3341	>	* completedStage returns a completed CompletionStage
3342		*/
3343	<	public void testAcceptEitherAsync() {
3344	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3345	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3346	<	IncAction r = new IncAction();
3347	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
3348	<	f.complete(one);
3349	<	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);
3343	>	public void testCompletedStage() {
3344	>	AtomicInteger x = new AtomicInteger(0);
3345	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3346	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3347	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3348	>	assertEquals(x.get(), 1);
3349	>	assertNull(r.get());
3350		}
3351
3352		/**
3353	<	* acceptEitherAsync result completes exceptionally after exceptional
3354	<	* completion of source
3353	>	* defaultExecutor by default returns the commonPool if
3354	>	* it supports more than one thread.
3355		*/
3356	<	public void testAcceptEitherAsync2() {
3356	>	public void testDefaultExecutor() {
3357		CompletableFuture<Integer> f = new CompletableFuture<>();
3358	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3359	<	IncAction r = new IncAction();
3360	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
3361	<	f.completeExceptionally(new CFException());
3362	<	checkCompletedWithWrappedCFException(g);
3363	<
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);
3358	>	Executor e = f.defaultExecutor();
3359	>	Executor c = ForkJoinPool.commonPool();
3360	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3361	>	assertSame(e, c);
3362	>	else
3363	>	assertNotSame(e, c);
3364		}
3365
3366		/**
3367	<	* acceptEitherAsync result completes exceptionally if action does
3367	>	* failedFuture returns a CompletableFuture completed
3368	>	* exceptionally with the given Exception
3369		*/
3370	<	public void testAcceptEitherAsync3() {
3371	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3372	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3373	<	FailingConsumer r = new FailingConsumer();
1910	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1911	<	f.complete(one);
1912	<	checkCompletedWithWrappedCFException(g);
3370	>	public void testFailedFuture() {
3371	>	CFException ex = new CFException();
3372	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3373	>	checkCompletedExceptionally(f, ex);
3374		}
3375
3376		/**
3377	<	* acceptEitherAsync result completes exceptionally if either
1917	<	* source cancelled
3377	>	* failedFuture(null) throws NPE
3378		*/
3379	<	public void testAcceptEitherAsync4() {
3380	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3381	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3382	<	IncAction r = new IncAction();
3383	<	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);
3379	>	public void testFailedFuture_null() {
3380	>	try {
3381	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3382	>	shouldThrow();
3383	>	} catch (NullPointerException success) {}
3384		}
3385
3386		/**
3387	<	* runAfterEitherAsync result completes normally after normal
3388	<	* completion of sources
3387	>	* copy returns a CompletableFuture that is completed normally,
3388	>	* with the same value, when source is.
3389		*/
3390	<	public void testRunAfterEitherAsync() {
3390	>	public void testCopy() {
3391		CompletableFuture<Integer> f = new CompletableFuture<>();
3392	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3393	<	Noop r = new Noop();
3394	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3395	<	f.complete(one);
3396	<	checkCompletedNormally(g, null);
3397	<	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);
3392	>	CompletableFuture<Integer> g = f.copy();
3393	>	checkIncomplete(f);
3394	>	checkIncomplete(g);
3395	>	f.complete(1);
3396	>	checkCompletedNormally(f, 1);
3397	>	checkCompletedNormally(g, 1);
3398		}
3399
3400		/**
3401	<	* runAfterEitherAsync result completes exceptionally after exceptional
3402	<	* completion of source
3401	>	* copy returns a CompletableFuture that is completed exceptionally
3402	>	* when source is.
3403		*/
3404	<	public void testRunAfterEitherAsync2() {
3404	>	public void testCopy2() {
3405		CompletableFuture<Integer> f = new CompletableFuture<>();
3406	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3407	<	Noop r = new Noop();
3408	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3409	<	f.completeExceptionally(new CFException());
3410	<	checkCompletedWithWrappedCFException(g);
3411	<
3412	<	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);
3406	>	CompletableFuture<Integer> g = f.copy();
3407	>	checkIncomplete(f);
3408	>	checkIncomplete(g);
3409	>	CFException ex = new CFException();
3410	>	f.completeExceptionally(ex);
3411	>	checkCompletedExceptionally(f, ex);
3412	>	checkCompletedWithWrappedException(g, ex);
3413		}
3414
3415		/**
3416	<	* runAfterEitherAsync result completes exceptionally if action does
3416	>	* minimalCompletionStage returns a CompletableFuture that is
3417	>	* completed normally, with the same value, when source is.
3418		*/
3419	<	public void testRunAfterEitherAsync3() {
3419	>	public void testMinimalCompletionStage() {
3420		CompletableFuture<Integer> f = new CompletableFuture<>();
3421	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3422	<	FailingNoop r = new FailingNoop();
3423	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3424	<	f.complete(one);
3425	<	checkCompletedWithWrappedCFException(g);
3421	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3422	>	AtomicInteger x = new AtomicInteger(0);
3423	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3424	>	checkIncomplete(f);
3425	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3426	>	f.complete(1);
3427	>	checkCompletedNormally(f, 1);
3428	>	assertEquals(x.get(), 1);
3429	>	assertNull(r.get());
3430		}
3431
3432		/**
3433	<	* runAfterEitherAsync result completes exceptionally if either
3434	<	* source cancelled
3433	>	* minimalCompletionStage returns a CompletableFuture that is
3434	>	* completed exceptionally when source is.
3435		*/
3436	<	public void testRunAfterEitherAsync4() {
3436	>	public void testMinimalCompletionStage2() {
3437		CompletableFuture<Integer> f = new CompletableFuture<>();
3438	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3439	<	Noop r = new Noop();
3440	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3441	<	assertTrue(f.cancel(true));
3442	<	checkCompletedWithWrappedCancellationException(g);
3443	<
3444	<	r = new Noop();
3445	<	f = new CompletableFuture<>();
3446	<	f2 = new CompletableFuture<>();
3447	<	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);
3438	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3439	>	AtomicInteger x = new AtomicInteger(0);
3440	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3441	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3442	>	checkIncomplete(f);
3443	>	CFException ex = new CFException();
3444	>	f.completeExceptionally(ex);
3445	>	checkCompletedExceptionally(f, ex);
3446	>	assertEquals(x.get(), 0);
3447	>	assertEquals(r.get().getCause(), ex);
3448		}
3449
3450		/**
3451	<	* thenComposeAsync result completes exceptionally if source cancelled
3451	>	* failedStage returns a CompletionStage completed
3452	>	* exceptionally with the given Exception
3453		*/
3454	<	public void testThenComposeAsync4() {
3455	<	CompletableFuture<Integer> f, g;
3456	<	CompletableFutureInc r;
3457	<
3458	<	f = new CompletableFuture<>();
3459	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3460	<	assertTrue(f.cancel(true));
3461	<	checkCompletedWithWrappedCancellationException(g);
2079	<
2080	<	f = new CompletableFuture<>();
2081	<	assertTrue(f.cancel(true));
2082	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2083	<	checkCompletedWithWrappedCancellationException(g);
3454	>	public void testFailedStage() {
3455	>	CFException ex = new CFException();
3456	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3457	>	AtomicInteger x = new AtomicInteger(0);
3458	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3459	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3460	>	assertEquals(x.get(), 0);
3461	>	assertEquals(r.get(), ex);
3462		}
3463
2086	–	// async with explicit executors
2087	–
3464		/**
3465	<	* thenRunAsync result completes normally after normal completion of source
3465	>	* completeAsync completes with value of given supplier
3466		*/
3467	<	public void testThenRunAsyncE() {
3467	>	public void testCompleteAsync() {
3468	>	for (Integer v1 : new Integer[] { 1, null })
3469	>	{
3470		CompletableFuture<Integer> f = new CompletableFuture<>();
3471	<	Noop r = new Noop();
3472	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3473	<	f.complete(null);
3474	<	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	<	}
3471	>	f.completeAsync(() -> v1);
3472	>	f.join();
3473	>	checkCompletedNormally(f, v1);
3474	>	}}
3475
3476		/**
3477	<	* thenRunAsync result completes exceptionally after exceptional
2108	<	* completion of source
3477	>	* completeAsync completes exceptionally if given supplier throws
3478		*/
3479	<	public void testThenRunAsync2E() {
3479	>	public void testCompleteAsync2() {
3480		CompletableFuture<Integer> f = new CompletableFuture<>();
3481	<	Noop r = new Noop();
3482	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2114	<	f.completeExceptionally(new CFException());
3481	>	CFException ex = new CFException();
3482	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3483		try {
3484	<	g.join();
3484	>	f.join();
3485		shouldThrow();
3486	<	} catch (Exception ok) {
3487	<	}
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);
3486	>	} catch (CompletionException success) {}
3487	>	checkCompletedWithWrappedException(f, ex);
3488		}
3489
3490		/**
3491	<	* thenApplyAsync result completes normally after normal completion of source
3491	>	* completeAsync with given executor completes with value of given supplier
3492		*/
3493	<	public void testThenApplyAsyncE() {
3493	>	public void testCompleteAsync3() {
3494	>	for (Integer v1 : new Integer[] { 1, null })
3495	>	{
3496		CompletableFuture<Integer> f = new CompletableFuture<>();
3497	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3498	<	f.complete(one);
3499	<	checkCompletedNormally(g, two);
3500	<	}
3497	>	ThreadExecutor executor = new ThreadExecutor();
3498	>	f.completeAsync(() -> v1, executor);
3499	>	assertSame(v1, f.join());
3500	>	checkCompletedNormally(f, v1);
3501	>	assertEquals(1, executor.count.get());
3502	>	}}
3503
3504		/**
3505	<	* thenApplyAsync result completes exceptionally after exceptional
3506	<	* completion of source
3505	>	* completeAsync with given executor completes exceptionally if
3506	>	* given supplier throws
3507		*/
3508	<	public void testThenApplyAsync2E() {
3508	>	public void testCompleteAsync4() {
3509		CompletableFuture<Integer> f = new CompletableFuture<>();
3510	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3511	<	f.completeExceptionally(new CFException());
3512	<	checkCompletedWithWrappedCFException(g);
3513	<	}
3514	<
3515	<	/**
3516	<	* thenApplyAsync result completes exceptionally if action does
3517	<	*/
3518	<	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);
3510	>	CFException ex = new CFException();
3511	>	ThreadExecutor executor = new ThreadExecutor();
3512	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3513	>	try {
3514	>	f.join();
3515	>	shouldThrow();
3516	>	} catch (CompletionException success) {}
3517	>	checkCompletedWithWrappedException(f, ex);
3518	>	assertEquals(1, executor.count.get());
3519		}
3520
3521		/**
3522	<	* thenApplyAsync result completes exceptionally if source cancelled
3522	>	* orTimeout completes with TimeoutException if not complete
3523		*/
3524	<	public void testThenApplyAsync4E() {
3524	>	public void testOrTimeout_timesOut() {
3525	>	long timeoutMillis = timeoutMillis();
3526		CompletableFuture<Integer> f = new CompletableFuture<>();
3527	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3528	<	assertTrue(f.cancel(true));
3529	<	checkCompletedWithWrappedCancellationException(g);
3527	>	long startTime = System.nanoTime();
3528	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3529	>	checkCompletedWithTimeoutException(f);
3530	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3531		}
3532
3533		/**
3534	<	* thenAcceptAsync result completes normally after normal
2189	<	* completion of source
3534	>	* orTimeout completes normally if completed before timeout
3535		*/
3536	<	public void testThenAcceptAsyncE() {
3536	>	public void testOrTimeout_completed() {
3537	>	for (Integer v1 : new Integer[] { 1, null })
3538	>	{
3539		CompletableFuture<Integer> f = new CompletableFuture<>();
3540	<	IncAction r = new IncAction();
3541	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3542	<	f.complete(one);
3543	<	checkCompletedNormally(g, null);
3544	<	assertEquals(r.value, 2);
3545	<	}
3540	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3541	>	long startTime = System.nanoTime();
3542	>	f.complete(v1);
3543	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3544	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3545	>	g.complete(v1);
3546	>	checkCompletedNormally(f, v1);
3547	>	checkCompletedNormally(g, v1);
3548	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3549	>	}}
3550
3551		/**
3552	<	* thenAcceptAsync result completes exceptionally after exceptional
2202	<	* completion of source
3552	>	* completeOnTimeout completes with given value if not complete
3553		*/
3554	<	public void testThenAcceptAsync2E() {
3555	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3556	<	IncAction r = new IncAction();
2207	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2208	<	f.completeExceptionally(new CFException());
2209	<	checkCompletedWithWrappedCFException(g);
3554	>	public void testCompleteOnTimeout_timesOut() {
3555	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3556	>	() -> testCompleteOnTimeout_timesOut(null));
3557		}
3558
3559	<	/**
3560	<	* thenAcceptAsync result completes exceptionally if action does
2214	<	*/
2215	<	public void testThenAcceptAsync3E() {
3559	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3560	>	long timeoutMillis = timeoutMillis();
3561		CompletableFuture<Integer> f = new CompletableFuture<>();
3562	<	FailingConsumer r = new FailingConsumer();
3563	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3564	<	f.complete(null);
3565	<	checkCompletedWithWrappedCFException(g);
3562	>	long startTime = System.nanoTime();
3563	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3564	>	assertSame(v, f.join());
3565	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3566	>	f.complete(99);         // should have no effect
3567	>	checkCompletedNormally(f, v);
3568		}
3569
3570		/**
3571	<	* thenAcceptAsync result completes exceptionally if source cancelled
3571	>	* completeOnTimeout has no effect if completed within timeout
3572		*/
3573	<	public void testThenAcceptAsync4E() {
3573	>	public void testCompleteOnTimeout_completed() {
3574	>	for (Integer v1 : new Integer[] { 1, null })
3575	>	{
3576		CompletableFuture<Integer> f = new CompletableFuture<>();
3577	<	IncAction r = new IncAction();
3578	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3579	<	assertTrue(f.cancel(true));
3580	<	checkCompletedWithWrappedCancellationException(g);
3581	<	}
3582	<
3583	<	/**
3584	<	* thenCombineAsync result completes normally after normal
3585	<	* completion of sources
3586	<	*/
3587	<	public void testThenCombineAsyncE() {
3588	<	CompletableFuture<Integer> f, g, h;
3589	<	ThreadExecutor e = new ThreadExecutor();
3590	<	int count = 0;
3591	<
3592	<	f = new CompletableFuture<>();
3593	<	g = new CompletableFuture<>();
3594	<	h = f.thenCombineAsync(g, subtract, e);
3595	<	f.complete(3);
3596	<	checkIncomplete(h);
3597	<	g.complete(1);
3598	<	checkCompletedNormally(h, 2);
3599	<	assertEquals(++count, e.count.get());
3600	<
3601	<	f = new CompletableFuture<>();
3602	<	g = new CompletableFuture<>();
3603	<	h = f.thenCombineAsync(g, subtract, e);
3604	<	g.complete(1);
3605	<	checkIncomplete(h);
3606	<	f.complete(3);
3607	<	checkCompletedNormally(h, 2);
3608	<	assertEquals(++count, e.count.get());
3609	<
3610	<	f = new CompletableFuture<>();
3611	<	g = new CompletableFuture<>();
3612	<	g.complete(1);
3613	<	f.complete(3);
3614	<	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);
3577	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3578	>	long startTime = System.nanoTime();
3579	>	f.complete(v1);
3580	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3581	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3582	>	g.complete(v1);
3583	>	checkCompletedNormally(f, v1);
3584	>	checkCompletedNormally(g, v1);
3585	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3586	>	}}
3587	>
3588	>	/**
3589	>	* delayedExecutor returns an executor that delays submission
3590	>	*/
3591	>	public void testDelayedExecutor() {
3592	>	testInParallel(() -> testDelayedExecutor(null, null),
3593	>	() -> testDelayedExecutor(null, 1),
3594	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3595	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3596	>	}
3597	>
3598	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3599	>	long timeoutMillis = timeoutMillis();
3600	>	// Use an "unreasonably long" long timeout to catch lingering threads
3601	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3602	>	final Executor delayer, longDelayer;
3603	>	if (executor == null) {
3604	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3605	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3606	>	} else {
3607	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3608	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3609	>	}
3610	>	long startTime = System.nanoTime();
3611	>	CompletableFuture<Integer> f =
3612	>	CompletableFuture.supplyAsync(() -> v, delayer);
3613	>	CompletableFuture<Integer> g =
3614	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3615
3616	<	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);
3616	>	assertNull(g.getNow(null));
3617
3618	<	f = new CompletableFuture<>();
3619	<	g = new CompletableFuture<>();
3620	<	g.completeExceptionally(new CFException());
3621	<	h = f.thenCombineAsync(g, subtract, e);
2299	<	checkIncomplete(h);
2300	<	f.complete(3);
2301	<	checkCompletedWithWrappedCFException(h);
3618	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3619	>	long millisElapsed = millisElapsedSince(startTime);
3620	>	assertTrue(millisElapsed >= timeoutMillis);
3621	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3622
3623	<	assertEquals(0, e.count.get());
2304	<	}
3623	>	checkCompletedNormally(f, v);
3624
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);
3625		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);
3626		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());
3627		}
3628
3629	<	/**
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	<	}
3629	>	//--- tests of implementation details; not part of official tck ---
3630
3631	<	/**
3632	<	* runAfterBothAsync result completes exceptionally after exceptional
3633	<	* completion of source
3634	<	*/
3635	<	public void testRunAfterBothAsync2E() {
3636	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3637	<	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);
3631	>	Object resultOf(CompletableFuture<?> f) {
3632	>	try {
3633	>	java.lang.reflect.Field resultField
3634	>	= CompletableFuture.class.getDeclaredField("result");
3635	>	resultField.setAccessible(true);
3636	>	return resultField.get(f);
3637	>	} catch (Throwable t) { throw new AssertionError(t); }
3638		}
3639
3640	<	/**
3641	<	* runAfterEitherAsync result completes normally after normal
3642	<	* completion of sources
3643	<	*/
3644	<	public void testRunAfterEitherAsyncE() {
3645	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3646	<	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);
3640	>	public void testExceptionPropagationReusesResultObject() {
3641	>	if (!testImplementationDetails) return;
3642	>	for (ExecutionMode m : ExecutionMode.values())
3643	>	{
3644	>	final CFException ex = new CFException();
3645	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3646	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3647
3648	<	r = new Noop();
3649	<	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	<	}
3648	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3649	>	= new ArrayList<>();
3650
3651	<	/**
3652	<	* runAfterEitherAsync result completes exceptionally after exceptional
3653	<	* 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);
3651	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3652	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3653	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3654
3655	<	r = new Noop();
3656	<	f = new CompletableFuture<>();
3657	<	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	<	}
3655	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3656	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3657	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3658
3659	<	/**
3660	<	* runAfterEitherAsync result completes exceptionally if either
3661	<	* 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);
3659	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3660	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3661	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3662
3663	<	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	<	}
3663	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3664
3665	<	/**
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	<	}
3665	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3666
3667	<	/**
3668	<	* 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	<	}
3667	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3668	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3669
3670	<	/**
3671	<	* thenComposeAsync result completes exceptionally if action does
3672	<	*/
3673	<	public void testThenComposeAsync3E() {
3674	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3675	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3676	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3677	<	f.complete(one);
3678	<	checkCompletedWithWrappedCFException(g);
3679	<	}
3670	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3671	>	fun : funs) {
3672	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3673	>	f.completeExceptionally(ex);
3674	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3675	>	checkCompletedWithWrappedException(src, ex);
3676	>	CompletableFuture<?> dep = fun.apply(src);
3677	>	checkCompletedWithWrappedException(dep, ex);
3678	>	assertSame(resultOf(src), resultOf(dep));
3679	>	}
3680
3681	<	/**
3682	<	* thenComposeAsync result completes exceptionally if source cancelled
3683	<	*/
3684	<	public void testThenComposeAsync4E() {
3685	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3686	<	CompletableFutureInc r = new CompletableFutureInc();
3687	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3688	<	assertTrue(f.cancel(true));
3689	<	checkCompletedWithWrappedCancellationException(g);
3690	<	}
3681	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3682	>	fun : funs) {
3683	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3684	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3685	>	CompletableFuture<?> dep = fun.apply(src);
3686	>	f.completeExceptionally(ex);
3687	>	checkCompletedWithWrappedException(src, ex);
3688	>	checkCompletedWithWrappedException(dep, ex);
3689	>	assertSame(resultOf(src), resultOf(dep));
3690	>	}
3691
3692	<	// other static methods
3692	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3693	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3694	>	fun : funs) {
3695	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3696	>	f.cancel(mayInterruptIfRunning);
3697	>	checkCancelled(f);
3698	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3699	>	checkCompletedWithWrappedCancellationException(src);
3700	>	CompletableFuture<?> dep = fun.apply(src);
3701	>	checkCompletedWithWrappedCancellationException(dep);
3702	>	assertSame(resultOf(src), resultOf(dep));
3703	>	}
3704
3705	<	/**
3706	<	* allOf(no component futures) returns a future completed normally
3707	<	* with the value null
3708	<	*/
3709	<	public void testAllOf_empty() throws Exception {
3710	<	CompletableFuture<Void> f = CompletableFuture.allOf();
3711	<	checkCompletedNormally(f, null);
3712	<	}
3705	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3706	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3707	>	fun : funs) {
3708	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3709	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3710	>	CompletableFuture<?> dep = fun.apply(src);
3711	>	f.cancel(mayInterruptIfRunning);
3712	>	checkCancelled(f);
3713	>	checkCompletedWithWrappedCancellationException(src);
3714	>	checkCompletedWithWrappedCancellationException(dep);
3715	>	assertSame(resultOf(src), resultOf(dep));
3716	>	}
3717	>	}}
3718
3719		/**
3720	<	* allOf returns a future completed normally with the value null
2862	<	* when all components complete normally
3720	>	* Minimal completion stages throw UOE for all non-CompletionStage methods
3721		*/
3722	<	public void testAllOf_normal() throws Exception {
3723	<	for (int k = 1; k < 20; ++k) {
3724	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3725	<	for (int i = 0; i < k; ++i)
3726	<	fs[i] = new CompletableFuture<>();
3727	<	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3728	<	for (int i = 0; i < k; ++i) {
3729	<	checkIncomplete(f);
3730	<	checkIncomplete(CompletableFuture.allOf(fs));
3731	<	fs[i].complete(one);
3722	>	public void testMinimalCompletionStage_minimality() {
3723	>	if (!testImplementationDetails) return;
3724	>	Function<Method, String> toSignature =
3725	>	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3726	>	Predicate<Method> isNotStatic =
3727	>	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3728	>	List<Method> minimalMethods =
3729	>	Stream.of(Object.class, CompletionStage.class)
3730	>	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3731	>	.filter(isNotStatic)
3732	>	.collect(Collectors.toList());
3733	>	// Methods from CompletableFuture permitted NOT to throw UOE
3734	>	String[] signatureWhitelist = {
3735	>	"newIncompleteFuture[]",
3736	>	"defaultExecutor[]",
3737	>	"minimalCompletionStage[]",
3738	>	"copy[]",
3739	>	};
3740	>	Set<String> permittedMethodSignatures =
3741	>	Stream.concat(minimalMethods.stream().map(toSignature),
3742	>	Stream.of(signatureWhitelist))
3743	>	.collect(Collectors.toSet());
3744	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3745	>	.filter(isNotStatic)
3746	>	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3747	>	.collect(Collectors.toList());
3748	>
3749	>	CompletionStage<Integer> minimalStage =
3750	>	new CompletableFuture<Integer>().minimalCompletionStage();
3751	>
3752	>	List<Method> bugs = new ArrayList<>();
3753	>	for (Method method : allMethods) {
3754	>	Class<?>[] parameterTypes = method.getParameterTypes();
3755	>	Object[] args = new Object[parameterTypes.length];
3756	>	// Manufacture boxed primitives for primitive params
3757	>	for (int i = 0; i < args.length; i++) {
3758	>	Class<?> type = parameterTypes[i];
3759	>	if (parameterTypes[i] == boolean.class)
3760	>	args[i] = false;
3761	>	else if (parameterTypes[i] == int.class)
3762	>	args[i] = 0;
3763	>	else if (parameterTypes[i] == long.class)
3764	>	args[i] = 0L;
3765		}
3766	<	checkCompletedNormally(f, null);
3767	<	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3766	>	try {
3767	>	method.invoke(minimalStage, args);
3768	>	bugs.add(method);
3769	>	}
3770	>	catch (java.lang.reflect.InvocationTargetException expected) {
3771	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3772	>	bugs.add(method);
3773	>	// expected.getCause().printStackTrace();
3774	>	}
3775	>	}
3776	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3777		}
3778	+	if (!bugs.isEmpty())
3779	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3780		}
3781
3782	<	/**
3783	<	* anyOf(no component futures) returns an incomplete future
3784	<	*/
3785	<	public void testAnyOf_empty() throws Exception {
3786	<	CompletableFuture<Object> f = CompletableFuture.anyOf();
3787	<	checkIncomplete(f);
3788	<	}
3789	<
3790	<	/**
3791	<	* anyOf returns a future completed normally with a value when
3792	<	* a component future does
3793	<	*/
3794	<	public void testAnyOf_normal() throws Exception {
3795	<	for (int k = 0; k < 10; ++k) {
3796	<	CompletableFuture[] fs = new CompletableFuture[k];
3797	<	for (int i = 0; i < k; ++i)
3798	<	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	<	}
3782	>	static class Monad {
3783	>	static class ZeroException extends RuntimeException {
3784	>	public ZeroException() { super("monadic zero"); }
3785	>	}
3786	>	// "return", "unit"
3787	>	static <T> CompletableFuture<T> unit(T value) {
3788	>	return completedFuture(value);
3789	>	}
3790	>	// monadic zero ?
3791	>	static <T> CompletableFuture<T> zero() {
3792	>	return failedFuture(new ZeroException());
3793	>	}
3794	>	// >=>
3795	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
3796	>	(Function<T, CompletableFuture<U>> f,
3797	>	Function<U, CompletableFuture<V>> g) {
3798	>	return (x) -> f.apply(x).thenCompose(g);
3799		}
2905	–	}
3800
3801	<	/**
3802	<	* anyOf result completes exceptionally when any component does.
3803	<	*/
3804	<	public void testAnyOf_exceptional() throws Exception {
3805	<	for (int k = 0; k < 10; ++k) {
3806	<	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));
3801	>	static void assertZero(CompletableFuture<?> f) {
3802	>	try {
3803	>	f.getNow(null);
3804	>	throw new AssertionFailedError("should throw");
3805	>	} catch (CompletionException success) {
3806	>	assertTrue(success.getCause() instanceof ZeroException);
3807		}
3808		}
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	–	}
3809
3810	<	/**
3811	<	* whenCompleteAsync action executes on normal completion, propagating
3812	<	* source result.
3813	<	*/
3814	<	public void testWhenCompleteAsync1() {
3815	<	final AtomicInteger a = new AtomicInteger();
3816	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3817	<	CompletableFuture<Integer> g =
3818	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3819	<	f.complete(three);
3820	<	checkCompletedNormally(f, three);
3821	<	checkCompletedNormally(g, three);
3822	<	assertEquals(a.get(), 1);
3823	<	}
3824	<
3825	<	/**
3826	<	* whenCompleteAsync action executes on exceptional completion, propagating
3827	<	* 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	<	}
3810	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
3811	>	CompletableFuture<T> g) {
3812	>	T fval = null, gval = null;
3813	>	Throwable fex = null, gex = null;
3814	>
3815	>	try { fval = f.get(); }
3816	>	catch (ExecutionException ex) { fex = ex.getCause(); }
3817	>	catch (Throwable ex) { fex = ex; }
3818	>
3819	>	try { gval = g.get(); }
3820	>	catch (ExecutionException ex) { gex = ex.getCause(); }
3821	>	catch (Throwable ex) { gex = ex; }
3822	>
3823	>	if (fex != null || gex != null)
3824	>	assertSame(fex.getClass(), gex.getClass());
3825	>	else
3826	>	assertEquals(fval, gval);
3827	>	}
3828
3829	<	/**
3830	<	* If a whenCompleteAsync action throws an exception when
3831	<	* 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	<	}
3829	>	static class PlusFuture<T> extends CompletableFuture<T> {
3830	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3831	>	}
3832
3833	<	/**
3834	<	* whenCompleteAsync action executes on normal completion, propagating
3835	<	* source result.
3836	<	*/
3837	<	public void testWhenCompleteAsync1e() {
3838	<	final AtomicInteger a = new AtomicInteger();
3839	<	ThreadExecutor exec = new ThreadExecutor();
3840	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3841	<	CompletableFuture<Integer> g =
3842	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3843	<	exec);
3844	<	f.complete(three);
3845	<	checkCompletedNormally(f, three);
3846	<	checkCompletedNormally(g, three);
3847	<	assertEquals(a.get(), 1);
3833	>	/** Implements "monadic plus". */
3834	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3835	>	CompletableFuture<? extends T> g) {
3836	>	PlusFuture<T> plus = new PlusFuture<T>();
3837	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3838	>	try {
3839	>	if (ex == null) {
3840	>	if (plus.complete(result))
3841	>	if (plus.firstFailure.get() != null)
3842	>	plus.firstFailure.set(null);
3843	>	}
3844	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
3845	>	if (plus.isDone())
3846	>	plus.firstFailure.set(null);
3847	>	}
3848	>	else {
3849	>	// first failure has precedence
3850	>	Throwable first = plus.firstFailure.getAndSet(null);
3851	>
3852	>	// may fail with "Self-suppression not permitted"
3853	>	try { first.addSuppressed(ex); }
3854	>	catch (Exception ignored) {}
3855	>
3856	>	plus.completeExceptionally(first);
3857	>	}
3858	>	} catch (Throwable unexpected) {
3859	>	plus.completeExceptionally(unexpected);
3860	>	}
3861	>	};
3862	>	f.whenComplete(action);
3863	>	g.whenComplete(action);
3864	>	return plus;
3865	>	}
3866		}
3867
3868		/**
3869	<	* whenCompleteAsync action executes on exceptional completion, propagating
3870	<	* source result.
3869	>	* CompletableFuture is an additive monad - sort of.
3870	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3871		*/
3872	<	public void testWhenCompleteAsync2e() {
3873	<	final AtomicInteger a = new AtomicInteger();
3874	<	ThreadExecutor exec = new ThreadExecutor();
3875	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3876	<	CompletableFuture<Integer> g =
3877	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3878	<	exec);
3879	<	f.completeExceptionally(new CFException());
3880	<	checkCompletedWithWrappedCFException(f);
3881	<	checkCompletedWithWrappedCFException(g);
3882	<	}
3872	>	public void testAdditiveMonad() throws Throwable {
3873	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3874	>	CompletableFuture<Long> zero = Monad.zero();
3875	>
3876	>	// Some mutually non-commutative functions
3877	>	Function<Long, CompletableFuture<Long>> triple
3878	>	= (x) -> Monad.unit(3 * x);
3879	>	Function<Long, CompletableFuture<Long>> inc
3880	>	= (x) -> Monad.unit(x + 1);
3881	>
3882	>	// unit is a right identity: m >>= unit === m
3883	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3884	>	inc.apply(5L));
3885	>	// unit is a left identity: (unit x) >>= f === f x
3886	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3887	>	inc.apply(5L));
3888	>
3889	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3890	>	Monad.assertFutureEquals(
3891	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3892	>	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3893	>
3894	>	// The case for CompletableFuture as an additive monad is weaker...
3895	>
3896	>	// zero is a monadic zero
3897	>	Monad.assertZero(zero);
3898	>
3899	>	// left zero: zero >>= f === zero
3900	>	Monad.assertZero(zero.thenCompose(inc));
3901	>	// right zero: f >>= (\x -> zero) === zero
3902	>	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3903	>
3904	>	// f plus zero === f
3905	>	Monad.assertFutureEquals(Monad.unit(5L),
3906	>	Monad.plus(Monad.unit(5L), zero));
3907	>	// zero plus f === f
3908	>	Monad.assertFutureEquals(Monad.unit(5L),
3909	>	Monad.plus(zero, Monad.unit(5L)));
3910	>	// zero plus zero === zero
3911	>	Monad.assertZero(Monad.plus(zero, zero));
3912	>	{
3913	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3914	>	Monad.unit(8L));
3915	>	// non-determinism
3916	>	assertTrue(f.get() == 5L || f.get() == 8L);
3917	>	}
3918
3919	<	/**
3920	<	* If a whenCompleteAsync action throws an exception when triggered
3921	<	* by a normal completion, it completes exceptionally
3922	<	*/
3923	<	public void testWhenCompleteAsync3e() {
3924	<	ThreadExecutor exec = new ThreadExecutor();
3925	<	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);
3919	>	CompletableFuture<Long> godot = new CompletableFuture<>();
3920	>	// f plus godot === f (doesn't wait for godot)
3921	>	Monad.assertFutureEquals(Monad.unit(5L),
3922	>	Monad.plus(Monad.unit(5L), godot));
3923	>	// godot plus f === f (doesn't wait for godot)
3924	>	Monad.assertFutureEquals(Monad.unit(5L),
3925	>	Monad.plus(godot, Monad.unit(5L)));
3926		}
3927
3928		/**
3929	<	* handleAsync action completes normally with function value on
3930	<	* either normal or exceptional completion of source
3931	<	*/
3932	<	public void testHandleAsync() {
3933	<	CompletableFuture<Integer> f, g;
3934	<	IntegerHandler r;
3935	<
3936	<	f = new CompletableFuture<>();
3937	<	g = f.handleAsync(r = new IntegerHandler());
3938	<	assertFalse(r.ran);
3939	<	f.completeExceptionally(new CFException());
3940	<	checkCompletedWithWrappedCFException(f);
3941	<	checkCompletedNormally(g, three);
3942	<	assertTrue(r.ran);
3943	<
3944	<	f = new CompletableFuture<>();
3945	<	g = f.handleAsync(r = new IntegerHandler());
3946	<	assertFalse(r.ran);
3947	<	f.completeExceptionally(new CFException());
3948	<	checkCompletedWithWrappedCFException(f);
3949	<	checkCompletedNormally(g, three);
3950	<	assertTrue(r.ran);
3951	<
3952	<	f = new CompletableFuture<>();
3953	<	g = f.handleAsync(r = new IntegerHandler());
3954	<	assertFalse(r.ran);
3955	<	f.complete(one);
3956	<	checkCompletedNormally(f, one);
3957	<	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);
3929	>	* A single CompletableFuture with many dependents.
3930	>	* A demo of scalability - runtime is O(n).
3931	>	*/
3932	>	public void testManyDependents() throws Throwable {
3933	>	final int n = 1_000;
3934	>	final CompletableFuture<Void> head = new CompletableFuture<>();
3935	>	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
3936	>	final AtomicInteger count = new AtomicInteger(0);
3937	>	for (int i = 0; i < n; i++) {
3938	>	head.thenRun(() -> count.getAndIncrement());
3939	>	head.thenAccept((x) -> count.getAndIncrement());
3940	>	head.thenApply((x) -> count.getAndIncrement());
3941	>
3942	>	head.runAfterBoth(complete, () -> count.getAndIncrement());
3943	>	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
3944	>	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
3945	>	complete.runAfterBoth(head, () -> count.getAndIncrement());
3946	>	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
3947	>	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
3948	>
3949	>	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
3950	>	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3951	>	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3952	>	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
3953	>	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
3954	>	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
3955	>	}
3956	>	head.complete(null);
3957	>	assertEquals(5 * 3 * n, count.get());
3958		}
3959
3960	<	/**
3961	<	* handleAsync action with Executor completes normally with
3962	<	* function value on either normal or exceptional completion of
3963	<	* source
3964	<	*/
3965	<	public void testHandleAsync2() {
3966	<	CompletableFuture<Integer> f, g;
3967	<	ThreadExecutor exec = new ThreadExecutor();
3968	<	IntegerHandler r;
3969	<
3970	<	f = new CompletableFuture<>();
3971	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3972	<	assertFalse(r.ran);
3973	<	f.completeExceptionally(new CFException());
3974	<	checkCompletedWithWrappedCFException(f);
3975	<	checkCompletedNormally(g, three);
3976	<	assertTrue(r.ran);
3977	<
3978	<	f = new CompletableFuture<>();
3979	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3980	<	assertFalse(r.ran);
3981	<	f.completeExceptionally(new CFException());
3982	<	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	<	}
3960	>	//     static <U> U join(CompletionStage<U> stage) {
3961	>	//         CompletableFuture<U> f = new CompletableFuture<>();
3962	>	//         stage.whenComplete((v, ex) -> {
3963	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3964	>	//         });
3965	>	//         return f.join();
3966	>	//     }
3967	>
3968	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
3969	>	//         CompletableFuture<U> f = new CompletableFuture<>();
3970	>	//         stage.whenComplete((v, ex) -> {
3971	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3972	>	//         });
3973	>	//         return f.isDone();
3974	>	//     }
3975	>
3976	>	//     static <U> U join2(CompletionStage<U> stage) {
3977	>	//         return stage.toCompletableFuture().copy().join();
3978	>	//     }
3979	>
3980	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3981	>	//         return stage.toCompletableFuture().copy().isDone();
3982	>	//     }
3983
3984		}

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