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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.30 by jsr166, Mon Jul 22 18:25:42 2013 UTC vs.
Revision 1.151 by jsr166, Sun Jun 26 17:45:35 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	>	final CFException ex;
463	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
464	>	public Integer get() {
465	>	invoked();
466	>	throw ex;
467	>	}
468	>	}
469	>
470	>	class FailingConsumer extends CheckedIntegerAction
471	>	implements Consumer<Integer>
472	>	{
473	>	final CFException ex;
474	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
475	>	public void accept(Integer x) {
476	>	invoked();
477	>	value = x;
478	>	throw ex;
479	>	}
480		}
481	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
482	<	boolean ran;
483	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
481	>
482	>	class FailingBiConsumer extends CheckedIntegerAction
483	>	implements BiConsumer<Integer, Integer>
484	>	{
485	>	final CFException ex;
486	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
487	>	public void accept(Integer x, Integer y) {
488	>	invoked();
489	>	value = subtract(x, y);
490	>	throw ex;
491	>	}
492		}
493	<	static final class FailingFunction implements Function<Integer, Integer> {
494	<	boolean ran;
495	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
493	>
494	>	class FailingFunction extends CheckedIntegerAction
495	>	implements Function<Integer, Integer>
496	>	{
497	>	final CFException ex;
498	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
499	>	public Integer apply(Integer x) {
500	>	invoked();
501	>	value = x;
502	>	throw ex;
503	>	}
504		}
505	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
506	<	boolean ran;
507	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
505	>
506	>	class FailingBiFunction extends CheckedIntegerAction
507	>	implements BiFunction<Integer, Integer, Integer>
508	>	{
509	>	final CFException ex;
510	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
511	>	public Integer apply(Integer x, Integer y) {
512	>	invoked();
513	>	value = subtract(x, y);
514	>	throw ex;
515	>	}
516		}
517	<	static final class FailingNoop implements Runnable {
518	<	boolean ran;
519	<	public void run() { ran = true; throw new CFException(); }
517	>
518	>	class FailingRunnable extends CheckedAction implements Runnable {
519	>	final CFException ex;
520	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
521	>	public void run() {
522	>	invoked();
523	>	throw ex;
524	>	}
525		}
526
527	<	static final class CompletableFutureInc
528	<	implements Function<Integer, CompletableFuture<Integer>> {
529	<	boolean ran;
527	>	class CompletableFutureInc extends CheckedIntegerAction
528	>	implements Function<Integer, CompletableFuture<Integer>>
529	>	{
530	>	CompletableFutureInc(ExecutionMode m) { super(m); }
531		public CompletableFuture<Integer> apply(Integer x) {
532	<	ran = true;
532	>	invoked();
533	>	value = x;
534		CompletableFuture<Integer> f = new CompletableFuture<>();
535	<	f.complete(Integer.valueOf(x.intValue() + 1));
535	>	assertTrue(f.complete(inc(x)));
536		return f;
537		}
538		}
539
540	<	static final class FailingCompletableFutureFunction
541	<	implements Function<Integer, CompletableFuture<Integer>> {
542	<	boolean ran;
540	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
541	>	implements Function<Integer, CompletableFuture<Integer>>
542	>	{
543	>	final CFException ex;
544	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
545		public CompletableFuture<Integer> apply(Integer x) {
546	<	ran = true; throw new CFException();
546	>	invoked();
547	>	value = x;
548	>	throw ex;
549		}
550		}
551
552		// Used for explicit executor tests
553		static final class ThreadExecutor implements Executor {
554	<	AtomicInteger count = new AtomicInteger(0);
554	>	final AtomicInteger count = new AtomicInteger(0);
555	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
556	>	static boolean startedCurrentThread() {
557	>	return Thread.currentThread().getThreadGroup() == tg;
558	>	}
559
560		public void execute(Runnable r) {
561		count.getAndIncrement();
562	<	new Thread(r).start();
562	>	new Thread(tg, r).start();
563		}
564		}
565
566	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
567	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
366	<	}
566	>	static final boolean defaultExecutorIsCommonPool
567	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
568
569	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
570	<	boolean ran;
571	<	public Integer apply(Integer x, Throwable t) {
572	<	ran = true;
573	<	return (t == null) ? two : three;
574	<	}
575	<	}
569	>	/**
570	>	* Permits the testing of parallel code for the 3 different
571	>	* execution modes without copy/pasting all the test methods.
572	>	*/
573	>	enum ExecutionMode {
574	>	SYNC {
575	>	public void checkExecutionMode() {
576	>	assertFalse(ThreadExecutor.startedCurrentThread());
577	>	assertNull(ForkJoinTask.getPool());
578	>	}
579	>	public CompletableFuture<Void> runAsync(Runnable a) {
580	>	throw new UnsupportedOperationException();
581	>	}
582	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
583	>	throw new UnsupportedOperationException();
584	>	}
585	>	public <T> CompletableFuture<Void> thenRun
586	>	(CompletableFuture<T> f, Runnable a) {
587	>	return f.thenRun(a);
588	>	}
589	>	public <T> CompletableFuture<Void> thenAccept
590	>	(CompletableFuture<T> f, Consumer<? super T> a) {
591	>	return f.thenAccept(a);
592	>	}
593	>	public <T,U> CompletableFuture<U> thenApply
594	>	(CompletableFuture<T> f, Function<? super T,U> a) {
595	>	return f.thenApply(a);
596	>	}
597	>	public <T,U> CompletableFuture<U> thenCompose
598	>	(CompletableFuture<T> f,
599	>	Function<? super T,? extends CompletionStage<U>> a) {
600	>	return f.thenCompose(a);
601	>	}
602	>	public <T,U> CompletableFuture<U> handle
603	>	(CompletableFuture<T> f,
604	>	BiFunction<? super T,Throwable,? extends U> a) {
605	>	return f.handle(a);
606	>	}
607	>	public <T> CompletableFuture<T> whenComplete
608	>	(CompletableFuture<T> f,
609	>	BiConsumer<? super T,? super Throwable> a) {
610	>	return f.whenComplete(a);
611	>	}
612	>	public <T,U> CompletableFuture<Void> runAfterBoth
613	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
614	>	return f.runAfterBoth(g, a);
615	>	}
616	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
617	>	(CompletableFuture<T> f,
618	>	CompletionStage<? extends U> g,
619	>	BiConsumer<? super T,? super U> a) {
620	>	return f.thenAcceptBoth(g, a);
621	>	}
622	>	public <T,U,V> CompletableFuture<V> thenCombine
623	>	(CompletableFuture<T> f,
624	>	CompletionStage<? extends U> g,
625	>	BiFunction<? super T,? super U,? extends V> a) {
626	>	return f.thenCombine(g, a);
627	>	}
628	>	public <T> CompletableFuture<Void> runAfterEither
629	>	(CompletableFuture<T> f,
630	>	CompletionStage<?> g,
631	>	java.lang.Runnable a) {
632	>	return f.runAfterEither(g, a);
633	>	}
634	>	public <T> CompletableFuture<Void> acceptEither
635	>	(CompletableFuture<T> f,
636	>	CompletionStage<? extends T> g,
637	>	Consumer<? super T> a) {
638	>	return f.acceptEither(g, a);
639	>	}
640	>	public <T,U> CompletableFuture<U> applyToEither
641	>	(CompletableFuture<T> f,
642	>	CompletionStage<? extends T> g,
643	>	Function<? super T,U> a) {
644	>	return f.applyToEither(g, a);
645	>	}
646	>	},
647	>
648	>	ASYNC {
649	>	public void checkExecutionMode() {
650	>	assertEquals(defaultExecutorIsCommonPool,
651	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
652	>	}
653	>	public CompletableFuture<Void> runAsync(Runnable a) {
654	>	return CompletableFuture.runAsync(a);
655	>	}
656	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
657	>	return CompletableFuture.supplyAsync(a);
658	>	}
659	>	public <T> CompletableFuture<Void> thenRun
660	>	(CompletableFuture<T> f, Runnable a) {
661	>	return f.thenRunAsync(a);
662	>	}
663	>	public <T> CompletableFuture<Void> thenAccept
664	>	(CompletableFuture<T> f, Consumer<? super T> a) {
665	>	return f.thenAcceptAsync(a);
666	>	}
667	>	public <T,U> CompletableFuture<U> thenApply
668	>	(CompletableFuture<T> f, Function<? super T,U> a) {
669	>	return f.thenApplyAsync(a);
670	>	}
671	>	public <T,U> CompletableFuture<U> thenCompose
672	>	(CompletableFuture<T> f,
673	>	Function<? super T,? extends CompletionStage<U>> a) {
674	>	return f.thenComposeAsync(a);
675	>	}
676	>	public <T,U> CompletableFuture<U> handle
677	>	(CompletableFuture<T> f,
678	>	BiFunction<? super T,Throwable,? extends U> a) {
679	>	return f.handleAsync(a);
680	>	}
681	>	public <T> CompletableFuture<T> whenComplete
682	>	(CompletableFuture<T> f,
683	>	BiConsumer<? super T,? super Throwable> a) {
684	>	return f.whenCompleteAsync(a);
685	>	}
686	>	public <T,U> CompletableFuture<Void> runAfterBoth
687	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
688	>	return f.runAfterBothAsync(g, a);
689	>	}
690	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
691	>	(CompletableFuture<T> f,
692	>	CompletionStage<? extends U> g,
693	>	BiConsumer<? super T,? super U> a) {
694	>	return f.thenAcceptBothAsync(g, a);
695	>	}
696	>	public <T,U,V> CompletableFuture<V> thenCombine
697	>	(CompletableFuture<T> f,
698	>	CompletionStage<? extends U> g,
699	>	BiFunction<? super T,? super U,? extends V> a) {
700	>	return f.thenCombineAsync(g, a);
701	>	}
702	>	public <T> CompletableFuture<Void> runAfterEither
703	>	(CompletableFuture<T> f,
704	>	CompletionStage<?> g,
705	>	java.lang.Runnable a) {
706	>	return f.runAfterEitherAsync(g, a);
707	>	}
708	>	public <T> CompletableFuture<Void> acceptEither
709	>	(CompletableFuture<T> f,
710	>	CompletionStage<? extends T> g,
711	>	Consumer<? super T> a) {
712	>	return f.acceptEitherAsync(g, a);
713	>	}
714	>	public <T,U> CompletableFuture<U> applyToEither
715	>	(CompletableFuture<T> f,
716	>	CompletionStage<? extends T> g,
717	>	Function<? super T,U> a) {
718	>	return f.applyToEitherAsync(g, a);
719	>	}
720	>	},
721	>
722	>	EXECUTOR {
723	>	public void checkExecutionMode() {
724	>	assertTrue(ThreadExecutor.startedCurrentThread());
725	>	}
726	>	public CompletableFuture<Void> runAsync(Runnable a) {
727	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
728	>	}
729	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
730	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
731	>	}
732	>	public <T> CompletableFuture<Void> thenRun
733	>	(CompletableFuture<T> f, Runnable a) {
734	>	return f.thenRunAsync(a, new ThreadExecutor());
735	>	}
736	>	public <T> CompletableFuture<Void> thenAccept
737	>	(CompletableFuture<T> f, Consumer<? super T> a) {
738	>	return f.thenAcceptAsync(a, new ThreadExecutor());
739	>	}
740	>	public <T,U> CompletableFuture<U> thenApply
741	>	(CompletableFuture<T> f, Function<? super T,U> a) {
742	>	return f.thenApplyAsync(a, new ThreadExecutor());
743	>	}
744	>	public <T,U> CompletableFuture<U> thenCompose
745	>	(CompletableFuture<T> f,
746	>	Function<? super T,? extends CompletionStage<U>> a) {
747	>	return f.thenComposeAsync(a, new ThreadExecutor());
748	>	}
749	>	public <T,U> CompletableFuture<U> handle
750	>	(CompletableFuture<T> f,
751	>	BiFunction<? super T,Throwable,? extends U> a) {
752	>	return f.handleAsync(a, new ThreadExecutor());
753	>	}
754	>	public <T> CompletableFuture<T> whenComplete
755	>	(CompletableFuture<T> f,
756	>	BiConsumer<? super T,? super Throwable> a) {
757	>	return f.whenCompleteAsync(a, new ThreadExecutor());
758	>	}
759	>	public <T,U> CompletableFuture<Void> runAfterBoth
760	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
761	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
762	>	}
763	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
764	>	(CompletableFuture<T> f,
765	>	CompletionStage<? extends U> g,
766	>	BiConsumer<? super T,? super U> a) {
767	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
768	>	}
769	>	public <T,U,V> CompletableFuture<V> thenCombine
770	>	(CompletableFuture<T> f,
771	>	CompletionStage<? extends U> g,
772	>	BiFunction<? super T,? super U,? extends V> a) {
773	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
774	>	}
775	>	public <T> CompletableFuture<Void> runAfterEither
776	>	(CompletableFuture<T> f,
777	>	CompletionStage<?> g,
778	>	java.lang.Runnable a) {
779	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
780	>	}
781	>	public <T> CompletableFuture<Void> acceptEither
782	>	(CompletableFuture<T> f,
783	>	CompletionStage<? extends T> g,
784	>	Consumer<? super T> a) {
785	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
786	>	}
787	>	public <T,U> CompletableFuture<U> applyToEither
788	>	(CompletableFuture<T> f,
789	>	CompletionStage<? extends T> g,
790	>	Function<? super T,U> a) {
791	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
792	>	}
793	>	};
794	>
795	>	public abstract void checkExecutionMode();
796	>	public abstract CompletableFuture<Void> runAsync(Runnable a);
797	>	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
798	>	public abstract <T> CompletableFuture<Void> thenRun
799	>	(CompletableFuture<T> f, Runnable a);
800	>	public abstract <T> CompletableFuture<Void> thenAccept
801	>	(CompletableFuture<T> f, Consumer<? super T> a);
802	>	public abstract <T,U> CompletableFuture<U> thenApply
803	>	(CompletableFuture<T> f, Function<? super T,U> a);
804	>	public abstract <T,U> CompletableFuture<U> thenCompose
805	>	(CompletableFuture<T> f,
806	>	Function<? super T,? extends CompletionStage<U>> a);
807	>	public abstract <T,U> CompletableFuture<U> handle
808	>	(CompletableFuture<T> f,
809	>	BiFunction<? super T,Throwable,? extends U> a);
810	>	public abstract <T> CompletableFuture<T> whenComplete
811	>	(CompletableFuture<T> f,
812	>	BiConsumer<? super T,? super Throwable> a);
813	>	public abstract <T,U> CompletableFuture<Void> runAfterBoth
814	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
815	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
816	>	(CompletableFuture<T> f,
817	>	CompletionStage<? extends U> g,
818	>	BiConsumer<? super T,? super U> a);
819	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
820	>	(CompletableFuture<T> f,
821	>	CompletionStage<? extends U> g,
822	>	BiFunction<? super T,? super U,? extends V> a);
823	>	public abstract <T> CompletableFuture<Void> runAfterEither
824	>	(CompletableFuture<T> f,
825	>	CompletionStage<?> g,
826	>	java.lang.Runnable a);
827	>	public abstract <T> CompletableFuture<Void> acceptEither
828	>	(CompletableFuture<T> f,
829	>	CompletionStage<? extends T> g,
830	>	Consumer<? super T> a);
831	>	public abstract <T,U> CompletableFuture<U> applyToEither
832	>	(CompletableFuture<T> f,
833	>	CompletionStage<? extends T> g,
834	>	Function<? super T,U> a);
835	>	}
836	>
837	>	/**
838	>	* exceptionally action is not invoked when source completes
839	>	* normally, and source result is propagated
840	>	*/
841	>	public void testExceptionally_normalCompletion() {
842	>	for (boolean createIncomplete : new boolean[] { true, false })
843	>	for (Integer v1 : new Integer[] { 1, null })
844	>	{
845	>	final AtomicInteger a = new AtomicInteger(0);
846	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
847	>	if (!createIncomplete) assertTrue(f.complete(v1));
848	>	final CompletableFuture<Integer> g = f.exceptionally
849	>	((Throwable t) -> {
850	>	a.getAndIncrement();
851	>	threadFail("should not be called");
852	>	return null;            // unreached
853	>	});
854	>	if (createIncomplete) assertTrue(f.complete(v1));
855	>
856	>	checkCompletedNormally(g, v1);
857	>	checkCompletedNormally(f, v1);
858	>	assertEquals(0, a.get());
859	>	}}
860
861		/**
862		* exceptionally action completes with function value on source
863	<	* exception; otherwise with source value
863	>	* exception
864		*/
865	<	public void testExceptionally() {
866	<	CompletableFuture<Integer> f = new CompletableFuture<>();
867	<	ExceptionToInteger r = new ExceptionToInteger();
868	<	CompletableFuture<Integer> g = f.exceptionally(r);
869	<	f.completeExceptionally(new CFException());
870	<	checkCompletedNormally(g, three);
865	>	public void testExceptionally_exceptionalCompletion() {
866	>	for (boolean createIncomplete : new boolean[] { true, false })
867	>	for (Integer v1 : new Integer[] { 1, null })
868	>	{
869	>	final AtomicInteger a = new AtomicInteger(0);
870	>	final CFException ex = new CFException();
871	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
872	>	if (!createIncomplete) f.completeExceptionally(ex);
873	>	final CompletableFuture<Integer> g = f.exceptionally
874	>	((Throwable t) -> {
875	>	ExecutionMode.SYNC.checkExecutionMode();
876	>	threadAssertSame(t, ex);
877	>	a.getAndIncrement();
878	>	return v1;
879	>	});
880	>	if (createIncomplete) f.completeExceptionally(ex);
881	>
882	>	checkCompletedNormally(g, v1);
883	>	assertEquals(1, a.get());
884	>	}}
885	>
886	>	/**
887	>	* If an "exceptionally action" throws an exception, it completes
888	>	* exceptionally with that exception
889	>	*/
890	>	public void testExceptionally_exceptionalCompletionActionFailed() {
891	>	for (boolean createIncomplete : new boolean[] { true, false })
892	>	{
893	>	final AtomicInteger a = new AtomicInteger(0);
894	>	final CFException ex1 = new CFException();
895	>	final CFException ex2 = new CFException();
896	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
897	>	if (!createIncomplete) f.completeExceptionally(ex1);
898	>	final CompletableFuture<Integer> g = f.exceptionally
899	>	((Throwable t) -> {
900	>	ExecutionMode.SYNC.checkExecutionMode();
901	>	threadAssertSame(t, ex1);
902	>	a.getAndIncrement();
903	>	throw ex2;
904	>	});
905	>	if (createIncomplete) f.completeExceptionally(ex1);
906	>
907	>	checkCompletedWithWrappedException(g, ex2);
908	>	checkCompletedExceptionally(f, ex1);
909	>	assertEquals(1, a.get());
910	>	}}
911
912	<	f = new CompletableFuture<>();
913	<	r = new ExceptionToInteger();
914	<	g = f.exceptionally(r);
915	<	f.complete(one);
916	<	checkCompletedNormally(g, one);
917	<	}
912	>	/**
913	>	* whenComplete action executes on normal completion, propagating
914	>	* source result.
915	>	*/
916	>	public void testWhenComplete_normalCompletion() {
917	>	for (ExecutionMode m : ExecutionMode.values())
918	>	for (boolean createIncomplete : new boolean[] { true, false })
919	>	for (Integer v1 : new Integer[] { 1, null })
920	>	{
921	>	final AtomicInteger a = new AtomicInteger(0);
922	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
923	>	if (!createIncomplete) assertTrue(f.complete(v1));
924	>	final CompletableFuture<Integer> g = m.whenComplete
925	>	(f,
926	>	(Integer result, Throwable t) -> {
927	>	m.checkExecutionMode();
928	>	threadAssertSame(result, v1);
929	>	threadAssertNull(t);
930	>	a.getAndIncrement();
931	>	});
932	>	if (createIncomplete) assertTrue(f.complete(v1));
933	>
934	>	checkCompletedNormally(g, v1);
935	>	checkCompletedNormally(f, v1);
936	>	assertEquals(1, a.get());
937	>	}}
938
939		/**
940	<	* handle action completes normally with function value on either
941	<	* normal or exceptional completion of source
940	>	* whenComplete action executes on exceptional completion, propagating
941	>	* source result.
942		*/
943	<	public void testHandle() {
944	<	CompletableFuture<Integer> f, g;
945	<	IntegerHandler r;
943	>	public void testWhenComplete_exceptionalCompletion() {
944	>	for (ExecutionMode m : ExecutionMode.values())
945	>	for (boolean createIncomplete : new boolean[] { true, false })
946	>	{
947	>	final AtomicInteger a = new AtomicInteger(0);
948	>	final CFException ex = new CFException();
949	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
950	>	if (!createIncomplete) f.completeExceptionally(ex);
951	>	final CompletableFuture<Integer> g = m.whenComplete
952	>	(f,
953	>	(Integer result, Throwable t) -> {
954	>	m.checkExecutionMode();
955	>	threadAssertNull(result);
956	>	threadAssertSame(t, ex);
957	>	a.getAndIncrement();
958	>	});
959	>	if (createIncomplete) f.completeExceptionally(ex);
960	>
961	>	checkCompletedWithWrappedException(g, ex);
962	>	checkCompletedExceptionally(f, ex);
963	>	assertEquals(1, a.get());
964	>	}}
965	>
966	>	/**
967	>	* whenComplete action executes on cancelled source, propagating
968	>	* CancellationException.
969	>	*/
970	>	public void testWhenComplete_sourceCancelled() {
971	>	for (ExecutionMode m : ExecutionMode.values())
972	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
973	>	for (boolean createIncomplete : new boolean[] { true, false })
974	>	{
975	>	final AtomicInteger a = new AtomicInteger(0);
976	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
977	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
978	>	final CompletableFuture<Integer> g = m.whenComplete
979	>	(f,
980	>	(Integer result, Throwable t) -> {
981	>	m.checkExecutionMode();
982	>	threadAssertNull(result);
983	>	threadAssertTrue(t instanceof CancellationException);
984	>	a.getAndIncrement();
985	>	});
986	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
987
988	<	f = new CompletableFuture<>();
989	<	f.completeExceptionally(new CFException());
990	<	g = f.handle(r = new IntegerHandler());
991	<	assertTrue(r.ran);
406	<	checkCompletedNormally(g, three);
988	>	checkCompletedWithWrappedCancellationException(g);
989	>	checkCancelled(f);
990	>	assertEquals(1, a.get());
991	>	}}
992
993	<	f = new CompletableFuture<>();
994	<	g = f.handle(r = new IntegerHandler());
995	<	assertFalse(r.ran);
996	<	f.completeExceptionally(new CFException());
997	<	checkCompletedNormally(g, three);
998	<	assertTrue(r.ran);
993	>	/**
994	>	* If a whenComplete action throws an exception when triggered by
995	>	* a normal completion, it completes exceptionally
996	>	*/
997	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
998	>	for (boolean createIncomplete : new boolean[] { true, false })
999	>	for (ExecutionMode m : ExecutionMode.values())
1000	>	for (Integer v1 : new Integer[] { 1, null })
1001	>	{
1002	>	final AtomicInteger a = new AtomicInteger(0);
1003	>	final CFException ex = new CFException();
1004	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1005	>	if (!createIncomplete) assertTrue(f.complete(v1));
1006	>	final CompletableFuture<Integer> g = m.whenComplete
1007	>	(f,
1008	>	(Integer result, Throwable t) -> {
1009	>	m.checkExecutionMode();
1010	>	threadAssertSame(result, v1);
1011	>	threadAssertNull(t);
1012	>	a.getAndIncrement();
1013	>	throw ex;
1014	>	});
1015	>	if (createIncomplete) assertTrue(f.complete(v1));
1016	>
1017	>	checkCompletedWithWrappedException(g, ex);
1018	>	checkCompletedNormally(f, v1);
1019	>	assertEquals(1, a.get());
1020	>	}}
1021
1022	<	f = new CompletableFuture<>();
1023	<	f.complete(one);
1024	<	g = f.handle(r = new IntegerHandler());
1025	<	assertTrue(r.ran);
1026	<	checkCompletedNormally(g, two);
1022	>	/**
1023	>	* If a whenComplete action throws an exception when triggered by
1024	>	* a source completion that also throws an exception, the source
1025	>	* exception takes precedence (unlike handle)
1026	>	*/
1027	>	public void testWhenComplete_sourceFailedActionFailed() {
1028	>	for (boolean createIncomplete : new boolean[] { true, false })
1029	>	for (ExecutionMode m : ExecutionMode.values())
1030	>	{
1031	>	final AtomicInteger a = new AtomicInteger(0);
1032	>	final CFException ex1 = new CFException();
1033	>	final CFException ex2 = new CFException();
1034	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1035	>
1036	>	if (!createIncomplete) f.completeExceptionally(ex1);
1037	>	final CompletableFuture<Integer> g = m.whenComplete
1038	>	(f,
1039	>	(Integer result, Throwable t) -> {
1040	>	m.checkExecutionMode();
1041	>	threadAssertSame(t, ex1);
1042	>	threadAssertNull(result);
1043	>	a.getAndIncrement();
1044	>	throw ex2;
1045	>	});
1046	>	if (createIncomplete) f.completeExceptionally(ex1);
1047	>
1048	>	checkCompletedWithWrappedException(g, ex1);
1049	>	checkCompletedExceptionally(f, ex1);
1050	>	if (testImplementationDetails) {
1051	>	assertEquals(1, ex1.getSuppressed().length);
1052	>	assertSame(ex2, ex1.getSuppressed()[0]);
1053	>	}
1054	>	assertEquals(1, a.get());
1055	>	}}
1056
1057	<	f = new CompletableFuture<>();
1058	<	g = f.handle(r = new IntegerHandler());
1059	<	assertFalse(r.ran);
1060	<	f.complete(one);
1061	<	assertTrue(r.ran);
1062	<	checkCompletedNormally(g, two);
1063	<	}
1057	>	/**
1058	>	* handle action completes normally with function value on normal
1059	>	* completion of source
1060	>	*/
1061	>	public void testHandle_normalCompletion() {
1062	>	for (ExecutionMode m : ExecutionMode.values())
1063	>	for (boolean createIncomplete : new boolean[] { true, false })
1064	>	for (Integer v1 : new Integer[] { 1, null })
1065	>	{
1066	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1067	>	final AtomicInteger a = new AtomicInteger(0);
1068	>	if (!createIncomplete) assertTrue(f.complete(v1));
1069	>	final CompletableFuture<Integer> g = m.handle
1070	>	(f,
1071	>	(Integer result, Throwable t) -> {
1072	>	m.checkExecutionMode();
1073	>	threadAssertSame(result, v1);
1074	>	threadAssertNull(t);
1075	>	a.getAndIncrement();
1076	>	return inc(v1);
1077	>	});
1078	>	if (createIncomplete) assertTrue(f.complete(v1));
1079	>
1080	>	checkCompletedNormally(g, inc(v1));
1081	>	checkCompletedNormally(f, v1);
1082	>	assertEquals(1, a.get());
1083	>	}}
1084
1085		/**
1086	<	* runAsync completes after running Runnable
1086	>	* handle action completes normally with function value on
1087	>	* exceptional completion of source
1088		*/
1089	<	public void testRunAsync() {
1090	<	Noop r = new Noop();
1091	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1092	<	assertNull(f.join());
1093	<	assertTrue(r.ran);
1094	<	checkCompletedNormally(f, null);
1095	<	}
1089	>	public void testHandle_exceptionalCompletion() {
1090	>	for (ExecutionMode m : ExecutionMode.values())
1091	>	for (boolean createIncomplete : new boolean[] { true, false })
1092	>	for (Integer v1 : new Integer[] { 1, null })
1093	>	{
1094	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1095	>	final AtomicInteger a = new AtomicInteger(0);
1096	>	final CFException ex = new CFException();
1097	>	if (!createIncomplete) f.completeExceptionally(ex);
1098	>	final CompletableFuture<Integer> g = m.handle
1099	>	(f,
1100	>	(Integer result, Throwable t) -> {
1101	>	m.checkExecutionMode();
1102	>	threadAssertNull(result);
1103	>	threadAssertSame(t, ex);
1104	>	a.getAndIncrement();
1105	>	return v1;
1106	>	});
1107	>	if (createIncomplete) f.completeExceptionally(ex);
1108	>
1109	>	checkCompletedNormally(g, v1);
1110	>	checkCompletedExceptionally(f, ex);
1111	>	assertEquals(1, a.get());
1112	>	}}
1113	>
1114	>	/**
1115	>	* handle action completes normally with function value on
1116	>	* cancelled source
1117	>	*/
1118	>	public void testHandle_sourceCancelled() {
1119	>	for (ExecutionMode m : ExecutionMode.values())
1120	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1121	>	for (boolean createIncomplete : new boolean[] { true, false })
1122	>	for (Integer v1 : new Integer[] { 1, null })
1123	>	{
1124	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1125	>	final AtomicInteger a = new AtomicInteger(0);
1126	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1127	>	final CompletableFuture<Integer> g = m.handle
1128	>	(f,
1129	>	(Integer result, Throwable t) -> {
1130	>	m.checkExecutionMode();
1131	>	threadAssertNull(result);
1132	>	threadAssertTrue(t instanceof CancellationException);
1133	>	a.getAndIncrement();
1134	>	return v1;
1135	>	});
1136	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1137	>
1138	>	checkCompletedNormally(g, v1);
1139	>	checkCancelled(f);
1140	>	assertEquals(1, a.get());
1141	>	}}
1142
1143		/**
1144	<	* runAsync with executor completes after running Runnable
1144	>	* If a "handle action" throws an exception when triggered by
1145	>	* a normal completion, it completes exceptionally
1146		*/
1147	<	public void testRunAsync2() {
1148	<	Noop r = new Noop();
1149	<	ThreadExecutor exec = new ThreadExecutor();
1150	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
1147	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1148	>	for (ExecutionMode m : ExecutionMode.values())
1149	>	for (boolean createIncomplete : new boolean[] { true, false })
1150	>	for (Integer v1 : new Integer[] { 1, null })
1151	>	{
1152	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1153	>	final AtomicInteger a = new AtomicInteger(0);
1154	>	final CFException ex = new CFException();
1155	>	if (!createIncomplete) assertTrue(f.complete(v1));
1156	>	final CompletableFuture<Integer> g = m.handle
1157	>	(f,
1158	>	(Integer result, Throwable t) -> {
1159	>	m.checkExecutionMode();
1160	>	threadAssertSame(result, v1);
1161	>	threadAssertNull(t);
1162	>	a.getAndIncrement();
1163	>	throw ex;
1164	>	});
1165	>	if (createIncomplete) assertTrue(f.complete(v1));
1166	>
1167	>	checkCompletedWithWrappedException(g, ex);
1168	>	checkCompletedNormally(f, v1);
1169	>	assertEquals(1, a.get());
1170	>	}}
1171	>
1172	>	/**
1173	>	* If a "handle action" throws an exception when triggered by
1174	>	* a source completion that also throws an exception, the action
1175	>	* exception takes precedence (unlike whenComplete)
1176	>	*/
1177	>	public void testHandle_sourceFailedActionFailed() {
1178	>	for (boolean createIncomplete : new boolean[] { true, false })
1179	>	for (ExecutionMode m : ExecutionMode.values())
1180	>	{
1181	>	final AtomicInteger a = new AtomicInteger(0);
1182	>	final CFException ex1 = new CFException();
1183	>	final CFException ex2 = new CFException();
1184	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1185	>
1186	>	if (!createIncomplete) f.completeExceptionally(ex1);
1187	>	final CompletableFuture<Integer> g = m.handle
1188	>	(f,
1189	>	(Integer result, Throwable t) -> {
1190	>	m.checkExecutionMode();
1191	>	threadAssertNull(result);
1192	>	threadAssertSame(ex1, t);
1193	>	a.getAndIncrement();
1194	>	throw ex2;
1195	>	});
1196	>	if (createIncomplete) f.completeExceptionally(ex1);
1197	>
1198	>	checkCompletedWithWrappedException(g, ex2);
1199	>	checkCompletedExceptionally(f, ex1);
1200	>	assertEquals(1, a.get());
1201	>	}}
1202	>
1203	>	/**
1204	>	* runAsync completes after running Runnable
1205	>	*/
1206	>	public void testRunAsync_normalCompletion() {
1207	>	ExecutionMode[] executionModes = {
1208	>	ExecutionMode.ASYNC,
1209	>	ExecutionMode.EXECUTOR,
1210	>	};
1211	>	for (ExecutionMode m : executionModes)
1212	>	{
1213	>	final Noop r = new Noop(m);
1214	>	final CompletableFuture<Void> f = m.runAsync(r);
1215		assertNull(f.join());
448	–	assertTrue(r.ran);
1216		checkCompletedNormally(f, null);
1217	<	assertEquals(1, exec.count.get());
1218	<	}
1217	>	r.assertInvoked();
1218	>	}}
1219
1220		/**
1221		* failing runAsync completes exceptionally after running Runnable
1222		*/
1223	<	public void testRunAsync3() {
1224	<	FailingNoop r = new FailingNoop();
1225	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1226	<	checkCompletedWithWrappedCFException(f);
1227	<	assertTrue(r.ran);
1228	<	}
1223	>	public void testRunAsync_exceptionalCompletion() {
1224	>	ExecutionMode[] executionModes = {
1225	>	ExecutionMode.ASYNC,
1226	>	ExecutionMode.EXECUTOR,
1227	>	};
1228	>	for (ExecutionMode m : executionModes)
1229	>	{
1230	>	final FailingRunnable r = new FailingRunnable(m);
1231	>	final CompletableFuture<Void> f = m.runAsync(r);
1232	>	checkCompletedWithWrappedException(f, r.ex);
1233	>	r.assertInvoked();
1234	>	}}
1235
1236		/**
1237		* supplyAsync completes with result of supplier
1238		*/
1239	<	public void testSupplyAsync() {
1240	<	CompletableFuture<Integer> f;
1241	<	f = CompletableFuture.supplyAsync(supplyOne);
1242	<	assertEquals(f.join(), one);
1243	<	checkCompletedNormally(f, one);
1244	<	}
1245	<
1246	<	/**
1247	<	* supplyAsync with executor completes with result of supplier
1248	<	*/
1249	<	public void testSupplyAsync2() {
1250	<	CompletableFuture<Integer> f;
1251	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1252	<	assertEquals(f.join(), one);
480	<	checkCompletedNormally(f, one);
481	<	}
1239	>	public void testSupplyAsync_normalCompletion() {
1240	>	ExecutionMode[] executionModes = {
1241	>	ExecutionMode.ASYNC,
1242	>	ExecutionMode.EXECUTOR,
1243	>	};
1244	>	for (ExecutionMode m : executionModes)
1245	>	for (Integer v1 : new Integer[] { 1, null })
1246	>	{
1247	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1248	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1249	>	assertSame(v1, f.join());
1250	>	checkCompletedNormally(f, v1);
1251	>	r.assertInvoked();
1252	>	}}
1253
1254		/**
1255		* Failing supplyAsync completes exceptionally
1256		*/
1257	<	public void testSupplyAsync3() {
1258	<	FailingSupplier r = new FailingSupplier();
1259	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1260	<	checkCompletedWithWrappedCFException(f);
1261	<	assertTrue(r.ran);
1262	<	}
1257	>	public void testSupplyAsync_exceptionalCompletion() {
1258	>	ExecutionMode[] executionModes = {
1259	>	ExecutionMode.ASYNC,
1260	>	ExecutionMode.EXECUTOR,
1261	>	};
1262	>	for (ExecutionMode m : executionModes)
1263	>	{
1264	>	FailingSupplier r = new FailingSupplier(m);
1265	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1266	>	checkCompletedWithWrappedException(f, r.ex);
1267	>	r.assertInvoked();
1268	>	}}
1269
1270		// seq completion methods
1271
1272		/**
1273		* thenRun result completes normally after normal completion of source
1274		*/
1275	<	public void testThenRun() {
1276	<	CompletableFuture<Integer> f;
1277	<	CompletableFuture<Void> g;
1278	<	Noop r;
1279	<
1280	<	f = new CompletableFuture<>();
1281	<	g = f.thenRun(r = new Noop());
1282	<	f.complete(null);
1283	<	checkCompletedNormally(g, null);
1284	<	assertTrue(r.ran);
1285	<
1286	<	f = new CompletableFuture<>();
1287	<	f.complete(null);
1288	<	g = f.thenRun(r = new Noop());
1289	<	checkCompletedNormally(g, null);
1290	<	assertTrue(r.ran);
1291	<	}
1275	>	public void testThenRun_normalCompletion() {
1276	>	for (ExecutionMode m : ExecutionMode.values())
1277	>	for (Integer v1 : new Integer[] { 1, null })
1278	>	{
1279	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1280	>	final Noop[] rs = new Noop[6];
1281	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1282	>
1283	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1284	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1285	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1286	>	checkIncomplete(h0);
1287	>	checkIncomplete(h1);
1288	>	checkIncomplete(h2);
1289	>	assertTrue(f.complete(v1));
1290	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1291	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1292	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1293	>
1294	>	checkCompletedNormally(h0, null);
1295	>	checkCompletedNormally(h1, null);
1296	>	checkCompletedNormally(h2, null);
1297	>	checkCompletedNormally(h3, null);
1298	>	checkCompletedNormally(h4, null);
1299	>	checkCompletedNormally(h5, null);
1300	>	checkCompletedNormally(f, v1);
1301	>	for (Noop r : rs) r.assertInvoked();
1302	>	}}
1303
1304		/**
1305		* thenRun result completes exceptionally after exceptional
1306		* completion of source
1307		*/
1308	<	public void testThenRun2() {
1309	<	CompletableFuture<Integer> f;
1310	<	CompletableFuture<Void> g;
1311	<	Noop r;
1312	<
1313	<	f = new CompletableFuture<>();
1314	<	g = f.thenRun(r = new Noop());
1315	<	f.completeExceptionally(new CFException());
1316	<	checkCompletedWithWrappedCFException(g);
1317	<	assertFalse(r.ran);
1318	<
1319	<	f = new CompletableFuture<>();
1320	<	f.completeExceptionally(new CFException());
1321	<	g = f.thenRun(r = new Noop());
1322	<	checkCompletedWithWrappedCFException(g);
1323	<	assertFalse(r.ran);
1324	<	}
1308	>	public void testThenRun_exceptionalCompletion() {
1309	>	for (ExecutionMode m : ExecutionMode.values())
1310	>	{
1311	>	final CFException ex = new CFException();
1312	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1313	>	final Noop[] rs = new Noop[6];
1314	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1315	>
1316	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1317	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1318	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1319	>	checkIncomplete(h0);
1320	>	checkIncomplete(h1);
1321	>	checkIncomplete(h2);
1322	>	assertTrue(f.completeExceptionally(ex));
1323	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1324	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1325	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1326	>
1327	>	checkCompletedWithWrappedException(h0, ex);
1328	>	checkCompletedWithWrappedException(h1, ex);
1329	>	checkCompletedWithWrappedException(h2, ex);
1330	>	checkCompletedWithWrappedException(h3, ex);
1331	>	checkCompletedWithWrappedException(h4, ex);
1332	>	checkCompletedWithWrappedException(h5, ex);
1333	>	checkCompletedExceptionally(f, ex);
1334	>	for (Noop r : rs) r.assertNotInvoked();
1335	>	}}
1336
1337		/**
1338	<	* thenRun result completes exceptionally if action does
1338	>	* thenRun result completes exceptionally if source cancelled
1339		*/
1340	<	public void testThenRun3() {
1341	<	CompletableFuture<Integer> f;
1342	<	CompletableFuture<Void> g;
1343	<	FailingNoop r;
1344	<
1345	<	f = new CompletableFuture<>();
1346	<	g = f.thenRun(r = new FailingNoop());
1347	<	f.complete(null);
1348	<	checkCompletedWithWrappedCFException(g);
1349	<
1350	<	f = new CompletableFuture<>();
1351	<	f.complete(null);
1352	<	g = f.thenRun(r = new FailingNoop());
1353	<	checkCompletedWithWrappedCFException(g);
1354	<	}
1340	>	public void testThenRun_sourceCancelled() {
1341	>	for (ExecutionMode m : ExecutionMode.values())
1342	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1343	>	{
1344	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1345	>	final Noop[] rs = new Noop[6];
1346	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1347	>
1348	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1349	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1350	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1351	>	checkIncomplete(h0);
1352	>	checkIncomplete(h1);
1353	>	checkIncomplete(h2);
1354	>	assertTrue(f.cancel(mayInterruptIfRunning));
1355	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1356	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1357	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1358	>
1359	>	checkCompletedWithWrappedCancellationException(h0);
1360	>	checkCompletedWithWrappedCancellationException(h1);
1361	>	checkCompletedWithWrappedCancellationException(h2);
1362	>	checkCompletedWithWrappedCancellationException(h3);
1363	>	checkCompletedWithWrappedCancellationException(h4);
1364	>	checkCompletedWithWrappedCancellationException(h5);
1365	>	checkCancelled(f);
1366	>	for (Noop r : rs) r.assertNotInvoked();
1367	>	}}
1368
1369		/**
1370	<	* thenRun result completes exceptionally if source cancelled
1370	>	* thenRun result completes exceptionally if action does
1371		*/
1372	<	public void testThenRun4() {
1373	<	CompletableFuture<Integer> f;
1374	<	CompletableFuture<Void> g;
1375	<	Noop r;
1376	<
1377	<	f = new CompletableFuture<>();
1378	<	g = f.thenRun(r = new Noop());
1379	<	assertTrue(f.cancel(true));
1380	<	checkCompletedWithWrappedCancellationException(g);
1381	<
1382	<	f = new CompletableFuture<>();
1383	<	assertTrue(f.cancel(true));
1384	<	g = f.thenRun(r = new Noop());
1385	<	checkCompletedWithWrappedCancellationException(g);
1386	<	}
1372	>	public void testThenRun_actionFailed() {
1373	>	for (ExecutionMode m : ExecutionMode.values())
1374	>	for (Integer v1 : new Integer[] { 1, null })
1375	>	{
1376	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1377	>	final FailingRunnable[] rs = new FailingRunnable[6];
1378	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1379	>
1380	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1381	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1382	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1383	>	assertTrue(f.complete(v1));
1384	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1385	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1386	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1387	>
1388	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1389	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1390	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1391	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1392	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1393	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1394	>	checkCompletedNormally(f, v1);
1395	>	}}
1396
1397		/**
1398		* thenApply result completes normally after normal completion of source
1399		*/
1400	<	public void testThenApply() {
1401	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1402	<	CompletableFuture<Integer> g = f.thenApply(inc);
1403	<	f.complete(one);
1404	<	checkCompletedNormally(g, two);
1405	<	}
1400	>	public void testThenApply_normalCompletion() {
1401	>	for (ExecutionMode m : ExecutionMode.values())
1402	>	for (Integer v1 : new Integer[] { 1, null })
1403	>	{
1404	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1405	>	final IncFunction[] rs = new IncFunction[4];
1406	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1407	>
1408	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1409	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1410	>	checkIncomplete(h0);
1411	>	checkIncomplete(h1);
1412	>	assertTrue(f.complete(v1));
1413	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1414	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1415	>
1416	>	checkCompletedNormally(h0, inc(v1));
1417	>	checkCompletedNormally(h1, inc(v1));
1418	>	checkCompletedNormally(h2, inc(v1));
1419	>	checkCompletedNormally(h3, inc(v1));
1420	>	checkCompletedNormally(f, v1);
1421	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1422	>	}}
1423
1424		/**
1425		* thenApply result completes exceptionally after exceptional
1426		* completion of source
1427		*/
1428	<	public void testThenApply2() {
1429	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1430	<	CompletableFuture<Integer> g = f.thenApply(inc);
1431	<	f.completeExceptionally(new CFException());
1432	<	checkCompletedWithWrappedCFException(g);
1433	<	}
1428	>	public void testThenApply_exceptionalCompletion() {
1429	>	for (ExecutionMode m : ExecutionMode.values())
1430	>	{
1431	>	final CFException ex = new CFException();
1432	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1433	>	final IncFunction[] rs = new IncFunction[4];
1434	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1435	>
1436	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1437	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1438	>	assertTrue(f.completeExceptionally(ex));
1439	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1440	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1441	>
1442	>	checkCompletedWithWrappedException(h0, ex);
1443	>	checkCompletedWithWrappedException(h1, ex);
1444	>	checkCompletedWithWrappedException(h2, ex);
1445	>	checkCompletedWithWrappedException(h3, ex);
1446	>	checkCompletedExceptionally(f, ex);
1447	>	for (IncFunction r : rs) r.assertNotInvoked();
1448	>	}}
1449
1450		/**
1451	<	* thenApply result completes exceptionally if action does
1451	>	* thenApply result completes exceptionally if source cancelled
1452		*/
1453	<	public void testThenApply3() {
1454	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1455	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1456	<	f.complete(one);
1457	<	checkCompletedWithWrappedCFException(g);
1458	<	}
1453	>	public void testThenApply_sourceCancelled() {
1454	>	for (ExecutionMode m : ExecutionMode.values())
1455	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1456	>	{
1457	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1458	>	final IncFunction[] rs = new IncFunction[4];
1459	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1460	>
1461	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1462	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1463	>	assertTrue(f.cancel(mayInterruptIfRunning));
1464	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1465	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1466	>
1467	>	checkCompletedWithWrappedCancellationException(h0);
1468	>	checkCompletedWithWrappedCancellationException(h1);
1469	>	checkCompletedWithWrappedCancellationException(h2);
1470	>	checkCompletedWithWrappedCancellationException(h3);
1471	>	checkCancelled(f);
1472	>	for (IncFunction r : rs) r.assertNotInvoked();
1473	>	}}
1474
1475		/**
1476	<	* thenApply result completes exceptionally if source cancelled
1476	>	* thenApply result completes exceptionally if action does
1477		*/
1478	<	public void testThenApply4() {
1479	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1480	<	CompletableFuture<Integer> g = f.thenApply(inc);
1481	<	assertTrue(f.cancel(true));
1482	<	checkCompletedWithWrappedCancellationException(g);
1483	<	}
1478	>	public void testThenApply_actionFailed() {
1479	>	for (ExecutionMode m : ExecutionMode.values())
1480	>	for (Integer v1 : new Integer[] { 1, null })
1481	>	{
1482	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1483	>	final FailingFunction[] rs = new FailingFunction[4];
1484	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1485	>
1486	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1487	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1488	>	assertTrue(f.complete(v1));
1489	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1490	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1491	>
1492	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1493	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1494	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1495	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1496	>	checkCompletedNormally(f, v1);
1497	>	}}
1498
1499		/**
1500		* thenAccept result completes normally after normal completion of source
1501		*/
1502	<	public void testThenAccept() {
1503	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1504	<	IncAction r = new IncAction();
1505	<	CompletableFuture<Void> g = f.thenAccept(r);
1506	<	f.complete(one);
1507	<	checkCompletedNormally(g, null);
1508	<	assertEquals(r.value, 2);
1509	<	}
1502	>	public void testThenAccept_normalCompletion() {
1503	>	for (ExecutionMode m : ExecutionMode.values())
1504	>	for (Integer v1 : new Integer[] { 1, null })
1505	>	{
1506	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1507	>	final NoopConsumer[] rs = new NoopConsumer[4];
1508	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1509	>
1510	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1511	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1512	>	checkIncomplete(h0);
1513	>	checkIncomplete(h1);
1514	>	assertTrue(f.complete(v1));
1515	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1516	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1517	>
1518	>	checkCompletedNormally(h0, null);
1519	>	checkCompletedNormally(h1, null);
1520	>	checkCompletedNormally(h2, null);
1521	>	checkCompletedNormally(h3, null);
1522	>	checkCompletedNormally(f, v1);
1523	>	for (NoopConsumer r : rs) r.assertValue(v1);
1524	>	}}
1525
1526		/**
1527		* thenAccept result completes exceptionally after exceptional
1528		* completion of source
1529		*/
1530	<	public void testThenAccept2() {
1531	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1532	<	IncAction r = new IncAction();
1533	<	CompletableFuture<Void> g = f.thenAccept(r);
1534	<	f.completeExceptionally(new CFException());
1535	<	checkCompletedWithWrappedCFException(g);
1536	<	}
1530	>	public void testThenAccept_exceptionalCompletion() {
1531	>	for (ExecutionMode m : ExecutionMode.values())
1532	>	{
1533	>	final CFException ex = new CFException();
1534	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1535	>	final NoopConsumer[] rs = new NoopConsumer[4];
1536	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1537	>
1538	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1539	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1540	>	assertTrue(f.completeExceptionally(ex));
1541	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1542	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1543	>
1544	>	checkCompletedWithWrappedException(h0, ex);
1545	>	checkCompletedWithWrappedException(h1, ex);
1546	>	checkCompletedWithWrappedException(h2, ex);
1547	>	checkCompletedWithWrappedException(h3, ex);
1548	>	checkCompletedExceptionally(f, ex);
1549	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1550	>	}}
1551
1552		/**
1553	<	* thenAccept result completes exceptionally if action does
1553	>	* thenAccept result completes exceptionally if source cancelled
1554		*/
1555	<	public void testThenAccept3() {
1556	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1557	<	FailingConsumer r = new FailingConsumer();
1558	<	CompletableFuture<Void> g = f.thenAccept(r);
1559	<	f.complete(one);
1560	<	checkCompletedWithWrappedCFException(g);
1561	<	assertTrue(r.ran);
1562	<	}
1555	>	public void testThenAccept_sourceCancelled() {
1556	>	for (ExecutionMode m : ExecutionMode.values())
1557	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1558	>	{
1559	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1560	>	final NoopConsumer[] rs = new NoopConsumer[4];
1561	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1562	>
1563	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1564	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1565	>	assertTrue(f.cancel(mayInterruptIfRunning));
1566	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1567	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1568	>
1569	>	checkCompletedWithWrappedCancellationException(h0);
1570	>	checkCompletedWithWrappedCancellationException(h1);
1571	>	checkCompletedWithWrappedCancellationException(h2);
1572	>	checkCompletedWithWrappedCancellationException(h3);
1573	>	checkCancelled(f);
1574	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1575	>	}}
1576
1577		/**
1578	<	* thenAccept result completes exceptionally if source cancelled
1578	>	* thenAccept result completes exceptionally if action does
1579		*/
1580	<	public void testThenAccept4() {
1581	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1582	<	IncAction r = new IncAction();
1583	<	CompletableFuture<Void> g = f.thenAccept(r);
1584	<	assertTrue(f.cancel(true));
1585	<	checkCompletedWithWrappedCancellationException(g);
1586	<	}
1580	>	public void testThenAccept_actionFailed() {
1581	>	for (ExecutionMode m : ExecutionMode.values())
1582	>	for (Integer v1 : new Integer[] { 1, null })
1583	>	{
1584	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1585	>	final FailingConsumer[] rs = new FailingConsumer[4];
1586	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1587	>
1588	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1589	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1590	>	assertTrue(f.complete(v1));
1591	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1592	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1593	>
1594	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1595	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1596	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1597	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1598	>	checkCompletedNormally(f, v1);
1599	>	}}
1600
1601		/**
1602		* thenCombine result completes normally after normal completion
1603		* of sources
1604		*/
1605	<	public void testThenCombine() {
1606	<	CompletableFuture<Integer> f, g, h;
1607	<
1608	<	f = new CompletableFuture<>();
1609	<	g = new CompletableFuture<>();
1610	<	h = f.thenCombine(g, subtract);
1611	<	f.complete(3);
1612	<	checkIncomplete(h);
1613	<	g.complete(1);
1614	<	checkCompletedNormally(h, 2);
1615	<
1616	<	f = new CompletableFuture<>();
1617	<	g = new CompletableFuture<>();
1618	<	h = f.thenCombine(g, subtract);
1619	<	g.complete(1);
1620	<	checkIncomplete(h);
1621	<	f.complete(3);
1622	<	checkCompletedNormally(h, 2);
1623	<
1624	<	f = new CompletableFuture<>();
1625	<	g = new CompletableFuture<>();
1626	<	g.complete(1);
1627	<	f.complete(3);
1628	<	h = f.thenCombine(g, subtract);
1629	<	checkCompletedNormally(h, 2);
1630	<	}
1605	>	public void testThenCombine_normalCompletion() {
1606	>	for (ExecutionMode m : ExecutionMode.values())
1607	>	for (boolean fFirst : new boolean[] { true, false })
1608	>	for (Integer v1 : new Integer[] { 1, null })
1609	>	for (Integer v2 : new Integer[] { 2, null })
1610	>	{
1611	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1612	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1613	>	final SubtractFunction[] rs = new SubtractFunction[6];
1614	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1615	>
1616	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1617	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1618	>	final Integer w1 =  fFirst ? v1 : v2;
1619	>	final Integer w2 = !fFirst ? v1 : v2;
1620	>
1621	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1622	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1623	>	assertTrue(fst.complete(w1));
1624	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1625	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1626	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1627	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1628	>	checkCompletedNormally(h1, subtract(w1, w1));
1629	>	checkCompletedNormally(h3, subtract(w1, w1));
1630	>	rs[1].assertValue(subtract(w1, w1));
1631	>	rs[3].assertValue(subtract(w1, w1));
1632	>	assertTrue(snd.complete(w2));
1633	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1634	>
1635	>	checkCompletedNormally(h0, subtract(v1, v2));
1636	>	checkCompletedNormally(h2, subtract(v1, v2));
1637	>	checkCompletedNormally(h4, subtract(v1, v2));
1638	>	rs[0].assertValue(subtract(v1, v2));
1639	>	rs[2].assertValue(subtract(v1, v2));
1640	>	rs[4].assertValue(subtract(v1, v2));
1641	>
1642	>	checkCompletedNormally(f, v1);
1643	>	checkCompletedNormally(g, v2);
1644	>	}}
1645
1646		/**
1647		* thenCombine result completes exceptionally after exceptional
1648		* completion of either source
1649		*/
1650	<	public void testThenCombine2() {
1651	<	CompletableFuture<Integer> f, g, h;
1652	<
1653	<	f = new CompletableFuture<>();
1654	<	g = new CompletableFuture<>();
1655	<	h = f.thenCombine(g, subtract);
1656	<	f.completeExceptionally(new CFException());
1657	<	checkIncomplete(h);
1658	<	g.complete(1);
1659	<	checkCompletedWithWrappedCFException(h);
1660	<
1661	<	f = new CompletableFuture<>();
1662	<	g = new CompletableFuture<>();
1663	<	h = f.thenCombine(g, subtract);
1664	<	g.completeExceptionally(new CFException());
1665	<	checkIncomplete(h);
1666	<	f.complete(3);
1667	<	checkCompletedWithWrappedCFException(h);
1668	<
1669	<	f = new CompletableFuture<>();
1670	<	g = new CompletableFuture<>();
1671	<	f.complete(3);
1672	<	g.completeExceptionally(new CFException());
1673	<	h = f.thenCombine(g, subtract);
1674	<	checkCompletedWithWrappedCFException(h);
1675	<
1676	<	f = new CompletableFuture<>();
1677	<	g = new CompletableFuture<>();
1678	<	f.completeExceptionally(new CFException());
1679	<	g.complete(3);
1680	<	h = f.thenCombine(g, subtract);
1681	<	checkCompletedWithWrappedCFException(h);
1682	<	}
1650	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1651	>	for (ExecutionMode m : ExecutionMode.values())
1652	>	for (boolean fFirst : new boolean[] { true, false })
1653	>	for (boolean failFirst : new boolean[] { true, false })
1654	>	for (Integer v1 : new Integer[] { 1, null })
1655	>	{
1656	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1657	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1658	>	final CFException ex = new CFException();
1659	>	final SubtractFunction r1 = new SubtractFunction(m);
1660	>	final SubtractFunction r2 = new SubtractFunction(m);
1661	>	final SubtractFunction r3 = new SubtractFunction(m);
1662	>
1663	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1664	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1665	>	final Callable<Boolean> complete1 = failFirst ?
1666	>	() -> fst.completeExceptionally(ex) :
1667	>	() -> fst.complete(v1);
1668	>	final Callable<Boolean> complete2 = failFirst ?
1669	>	() -> snd.complete(v1) :
1670	>	() -> snd.completeExceptionally(ex);
1671	>
1672	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1673	>	assertTrue(complete1.call());
1674	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1675	>	checkIncomplete(h1);
1676	>	checkIncomplete(h2);
1677	>	assertTrue(complete2.call());
1678	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1679	>
1680	>	checkCompletedWithWrappedException(h1, ex);
1681	>	checkCompletedWithWrappedException(h2, ex);
1682	>	checkCompletedWithWrappedException(h3, ex);
1683	>	r1.assertNotInvoked();
1684	>	r2.assertNotInvoked();
1685	>	r3.assertNotInvoked();
1686	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1687	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1688	>	}}
1689
1690		/**
1691	<	* thenCombine result completes exceptionally if action does
1691	>	* thenCombine result completes exceptionally if either source cancelled
1692		*/
1693	<	public void testThenCombine3() {
1694	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1695	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1696	<	FailingBiFunction r = new FailingBiFunction();
1697	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
1698	<	f.complete(one);
1699	<	checkIncomplete(g);
1700	<	assertFalse(r.ran);
1701	<	f2.complete(two);
1702	<	checkCompletedWithWrappedCFException(g);
1703	<	assertTrue(r.ran);
1704	<	}
1693	>	public void testThenCombine_sourceCancelled() throws Throwable {
1694	>	for (ExecutionMode m : ExecutionMode.values())
1695	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1696	>	for (boolean fFirst : new boolean[] { true, false })
1697	>	for (boolean failFirst : new boolean[] { true, false })
1698	>	for (Integer v1 : new Integer[] { 1, null })
1699	>	{
1700	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1701	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1702	>	final SubtractFunction r1 = new SubtractFunction(m);
1703	>	final SubtractFunction r2 = new SubtractFunction(m);
1704	>	final SubtractFunction r3 = new SubtractFunction(m);
1705	>
1706	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1707	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1708	>	final Callable<Boolean> complete1 = failFirst ?
1709	>	() -> fst.cancel(mayInterruptIfRunning) :
1710	>	() -> fst.complete(v1);
1711	>	final Callable<Boolean> complete2 = failFirst ?
1712	>	() -> snd.complete(v1) :
1713	>	() -> snd.cancel(mayInterruptIfRunning);
1714	>
1715	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1716	>	assertTrue(complete1.call());
1717	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1718	>	checkIncomplete(h1);
1719	>	checkIncomplete(h2);
1720	>	assertTrue(complete2.call());
1721	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1722	>
1723	>	checkCompletedWithWrappedCancellationException(h1);
1724	>	checkCompletedWithWrappedCancellationException(h2);
1725	>	checkCompletedWithWrappedCancellationException(h3);
1726	>	r1.assertNotInvoked();
1727	>	r2.assertNotInvoked();
1728	>	r3.assertNotInvoked();
1729	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1730	>	checkCancelled(failFirst ? fst : snd);
1731	>	}}
1732
1733		/**
1734	<	* thenCombine result completes exceptionally if either source cancelled
1734	>	* thenCombine result completes exceptionally if action does
1735		*/
1736	<	public void testThenCombine4() {
1737	<	CompletableFuture<Integer> f, g, h;
1738	<
1739	<	f = new CompletableFuture<>();
1740	<	g = new CompletableFuture<>();
1741	<	h = f.thenCombine(g, subtract);
1742	<	assertTrue(f.cancel(true));
1743	<	checkIncomplete(h);
1744	<	g.complete(1);
1745	<	checkCompletedWithWrappedCancellationException(h);
1746	<
1747	<	f = new CompletableFuture<>();
1748	<	g = new CompletableFuture<>();
1749	<	h = f.thenCombine(g, subtract);
1750	<	assertTrue(g.cancel(true));
1751	<	checkIncomplete(h);
1752	<	f.complete(3);
1753	<	checkCompletedWithWrappedCancellationException(h);
1754	<
1755	<	f = new CompletableFuture<>();
1756	<	g = new CompletableFuture<>();
1757	<	assertTrue(f.cancel(true));
1758	<	assertTrue(g.cancel(true));
1759	<	h = f.thenCombine(g, subtract);
1760	<	checkCompletedWithWrappedCancellationException(h);
1761	<	}
1736	>	public void testThenCombine_actionFailed() {
1737	>	for (ExecutionMode m : ExecutionMode.values())
1738	>	for (boolean fFirst : new boolean[] { true, false })
1739	>	for (Integer v1 : new Integer[] { 1, null })
1740	>	for (Integer v2 : new Integer[] { 2, null })
1741	>	{
1742	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1743	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1744	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1745	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1746	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1747	>
1748	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1749	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1750	>	final Integer w1 =  fFirst ? v1 : v2;
1751	>	final Integer w2 = !fFirst ? v1 : v2;
1752	>
1753	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1754	>	assertTrue(fst.complete(w1));
1755	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1756	>	assertTrue(snd.complete(w2));
1757	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1758	>
1759	>	checkCompletedWithWrappedException(h1, r1.ex);
1760	>	checkCompletedWithWrappedException(h2, r2.ex);
1761	>	checkCompletedWithWrappedException(h3, r3.ex);
1762	>	r1.assertInvoked();
1763	>	r2.assertInvoked();
1764	>	r3.assertInvoked();
1765	>	checkCompletedNormally(f, v1);
1766	>	checkCompletedNormally(g, v2);
1767	>	}}
1768
1769		/**
1770		* thenAcceptBoth result completes normally after normal
1771		* completion of sources
1772		*/
1773	<	public void testThenAcceptBoth() {
1774	<	CompletableFuture<Integer> f, g;
1775	<	CompletableFuture<Void> h;
1776	<	SubtractAction r;
1777	<
1778	<	f = new CompletableFuture<>();
1779	<	g = new CompletableFuture<>();
1780	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1781	<	f.complete(3);
1782	<	checkIncomplete(h);
1783	<	g.complete(1);
1784	<	checkCompletedNormally(h, null);
1785	<	assertEquals(r.value, 2);
1786	<
1787	<	f = new CompletableFuture<>();
1788	<	g = new CompletableFuture<>();
1789	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1790	<	g.complete(1);
1791	<	checkIncomplete(h);
1792	<	f.complete(3);
1793	<	checkCompletedNormally(h, null);
1794	<	assertEquals(r.value, 2);
1795	<
1796	<	f = new CompletableFuture<>();
1797	<	g = new CompletableFuture<>();
1798	<	g.complete(1);
1799	<	f.complete(3);
1800	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1801	<	checkCompletedNormally(h, null);
1802	<	assertEquals(r.value, 2);
1803	<	}
1773	>	public void testThenAcceptBoth_normalCompletion() {
1774	>	for (ExecutionMode m : ExecutionMode.values())
1775	>	for (boolean fFirst : new boolean[] { true, false })
1776	>	for (Integer v1 : new Integer[] { 1, null })
1777	>	for (Integer v2 : new Integer[] { 2, null })
1778	>	{
1779	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1780	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1781	>	final SubtractAction r1 = new SubtractAction(m);
1782	>	final SubtractAction r2 = new SubtractAction(m);
1783	>	final SubtractAction r3 = new SubtractAction(m);
1784	>
1785	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1786	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1787	>	final Integer w1 =  fFirst ? v1 : v2;
1788	>	final Integer w2 = !fFirst ? v1 : v2;
1789	>
1790	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1791	>	assertTrue(fst.complete(w1));
1792	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1793	>	checkIncomplete(h1);
1794	>	checkIncomplete(h2);
1795	>	r1.assertNotInvoked();
1796	>	r2.assertNotInvoked();
1797	>	assertTrue(snd.complete(w2));
1798	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1799	>
1800	>	checkCompletedNormally(h1, null);
1801	>	checkCompletedNormally(h2, null);
1802	>	checkCompletedNormally(h3, null);
1803	>	r1.assertValue(subtract(v1, v2));
1804	>	r2.assertValue(subtract(v1, v2));
1805	>	r3.assertValue(subtract(v1, v2));
1806	>	checkCompletedNormally(f, v1);
1807	>	checkCompletedNormally(g, v2);
1808	>	}}
1809
1810		/**
1811		* thenAcceptBoth result completes exceptionally after exceptional
1812		* completion of either source
1813		*/
1814	<	public void testThenAcceptBoth2() {
1815	<	CompletableFuture<Integer> f, g;
1816	<	CompletableFuture<Void> h;
1817	<	SubtractAction r;
1818	<
1819	<	f = new CompletableFuture<>();
1820	<	g = new CompletableFuture<>();
1821	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1822	<	f.completeExceptionally(new CFException());
1823	<	checkIncomplete(h);
1824	<	g.complete(1);
1825	<	checkCompletedWithWrappedCFException(h);
1826	<
1827	<	f = new CompletableFuture<>();
1828	<	g = new CompletableFuture<>();
1829	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1830	<	g.completeExceptionally(new CFException());
1831	<	checkIncomplete(h);
1832	<	f.complete(3);
1833	<	checkCompletedWithWrappedCFException(h);
1834	<
1835	<	f = new CompletableFuture<>();
1836	<	g = new CompletableFuture<>();
1837	<	f.complete(3);
1838	<	g.completeExceptionally(new CFException());
1839	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1840	<	checkCompletedWithWrappedCFException(h);
1841	<
1842	<	f = new CompletableFuture<>();
1843	<	g = new CompletableFuture<>();
1844	<	f.completeExceptionally(new CFException());
1845	<	g.complete(3);
1846	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1847	<	checkCompletedWithWrappedCFException(h);
1848	<	}
1814	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1815	>	for (ExecutionMode m : ExecutionMode.values())
1816	>	for (boolean fFirst : new boolean[] { true, false })
1817	>	for (boolean failFirst : new boolean[] { true, false })
1818	>	for (Integer v1 : new Integer[] { 1, null })
1819	>	{
1820	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1821	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1822	>	final CFException ex = new CFException();
1823	>	final SubtractAction r1 = new SubtractAction(m);
1824	>	final SubtractAction r2 = new SubtractAction(m);
1825	>	final SubtractAction r3 = new SubtractAction(m);
1826	>
1827	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1828	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1829	>	final Callable<Boolean> complete1 = failFirst ?
1830	>	() -> fst.completeExceptionally(ex) :
1831	>	() -> fst.complete(v1);
1832	>	final Callable<Boolean> complete2 = failFirst ?
1833	>	() -> snd.complete(v1) :
1834	>	() -> snd.completeExceptionally(ex);
1835	>
1836	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1837	>	assertTrue(complete1.call());
1838	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1839	>	checkIncomplete(h1);
1840	>	checkIncomplete(h2);
1841	>	assertTrue(complete2.call());
1842	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1843	>
1844	>	checkCompletedWithWrappedException(h1, ex);
1845	>	checkCompletedWithWrappedException(h2, ex);
1846	>	checkCompletedWithWrappedException(h3, ex);
1847	>	r1.assertNotInvoked();
1848	>	r2.assertNotInvoked();
1849	>	r3.assertNotInvoked();
1850	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1851	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1852	>	}}
1853
1854		/**
1855	<	* thenAcceptBoth result completes exceptionally if action does
1855	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1856		*/
1857	<	public void testThenAcceptBoth3() {
1858	<	CompletableFuture<Integer> f, g;
1859	<	CompletableFuture<Void> h;
1860	<	FailingBiConsumer r;
1861	<
1862	<	f = new CompletableFuture<>();
1863	<	g = new CompletableFuture<>();
1864	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1865	<	f.complete(3);
1866	<	checkIncomplete(h);
1867	<	g.complete(1);
1868	<	checkCompletedWithWrappedCFException(h);
1869	<
1870	<	f = new CompletableFuture<>();
1871	<	g = new CompletableFuture<>();
1872	<	f.complete(3);
1873	<	g.complete(1);
1874	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1875	<	checkCompletedWithWrappedCFException(h);
1876	<	}
1857	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1858	>	for (ExecutionMode m : ExecutionMode.values())
1859	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1860	>	for (boolean fFirst : new boolean[] { true, false })
1861	>	for (boolean failFirst : new boolean[] { true, false })
1862	>	for (Integer v1 : new Integer[] { 1, null })
1863	>	{
1864	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1865	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1866	>	final SubtractAction r1 = new SubtractAction(m);
1867	>	final SubtractAction r2 = new SubtractAction(m);
1868	>	final SubtractAction r3 = new SubtractAction(m);
1869	>
1870	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1871	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1872	>	final Callable<Boolean> complete1 = failFirst ?
1873	>	() -> fst.cancel(mayInterruptIfRunning) :
1874	>	() -> fst.complete(v1);
1875	>	final Callable<Boolean> complete2 = failFirst ?
1876	>	() -> snd.complete(v1) :
1877	>	() -> snd.cancel(mayInterruptIfRunning);
1878	>
1879	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1880	>	assertTrue(complete1.call());
1881	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1882	>	checkIncomplete(h1);
1883	>	checkIncomplete(h2);
1884	>	assertTrue(complete2.call());
1885	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1886	>
1887	>	checkCompletedWithWrappedCancellationException(h1);
1888	>	checkCompletedWithWrappedCancellationException(h2);
1889	>	checkCompletedWithWrappedCancellationException(h3);
1890	>	r1.assertNotInvoked();
1891	>	r2.assertNotInvoked();
1892	>	r3.assertNotInvoked();
1893	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1894	>	checkCancelled(failFirst ? fst : snd);
1895	>	}}
1896
1897		/**
1898	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1898	>	* thenAcceptBoth result completes exceptionally if action does
1899		*/
1900	<	public void testThenAcceptBoth4() {
1901	<	CompletableFuture<Integer> f, g;
1902	<	CompletableFuture<Void> h;
1903	<	SubtractAction r;
1904	<
1905	<	f = new CompletableFuture<>();
1906	<	g = new CompletableFuture<>();
1907	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1908	<	assertTrue(f.cancel(true));
1909	<	checkIncomplete(h);
1910	<	g.complete(1);
1911	<	checkCompletedWithWrappedCancellationException(h);
1912	<
1913	<	f = new CompletableFuture<>();
1914	<	g = new CompletableFuture<>();
1915	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1916	<	assertTrue(g.cancel(true));
1917	<	checkIncomplete(h);
1918	<	f.complete(3);
1919	<	checkCompletedWithWrappedCancellationException(h);
1920	<
1921	<	f = new CompletableFuture<>();
1922	<	g = new CompletableFuture<>();
1923	<	f.complete(3);
1924	<	assertTrue(g.cancel(true));
1925	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1926	<	checkCompletedWithWrappedCancellationException(h);
1927	<
1928	<	f = new CompletableFuture<>();
1929	<	g = new CompletableFuture<>();
1930	<	assertTrue(f.cancel(true));
1931	<	g.complete(3);
914	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
915	<	checkCompletedWithWrappedCancellationException(h);
916	<	}
1900	>	public void testThenAcceptBoth_actionFailed() {
1901	>	for (ExecutionMode m : ExecutionMode.values())
1902	>	for (boolean fFirst : new boolean[] { true, false })
1903	>	for (Integer v1 : new Integer[] { 1, null })
1904	>	for (Integer v2 : new Integer[] { 2, null })
1905	>	{
1906	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1907	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1908	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1909	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1910	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1911	>
1912	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1913	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1914	>	final Integer w1 =  fFirst ? v1 : v2;
1915	>	final Integer w2 = !fFirst ? v1 : v2;
1916	>
1917	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1918	>	assertTrue(fst.complete(w1));
1919	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1920	>	assertTrue(snd.complete(w2));
1921	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1922	>
1923	>	checkCompletedWithWrappedException(h1, r1.ex);
1924	>	checkCompletedWithWrappedException(h2, r2.ex);
1925	>	checkCompletedWithWrappedException(h3, r3.ex);
1926	>	r1.assertInvoked();
1927	>	r2.assertInvoked();
1928	>	r3.assertInvoked();
1929	>	checkCompletedNormally(f, v1);
1930	>	checkCompletedNormally(g, v2);
1931	>	}}
1932
1933		/**
1934		* runAfterBoth result completes normally after normal
1935		* completion of sources
1936		*/
1937	<	public void testRunAfterBoth() {
1938	<	CompletableFuture<Integer> f, g;
1939	<	CompletableFuture<Void> h;
1940	<	Noop r;
1941	<
1942	<	f = new CompletableFuture<>();
1943	<	g = new CompletableFuture<>();
1944	<	h = f.runAfterBoth(g, r = new Noop());
1945	<	f.complete(3);
1946	<	checkIncomplete(h);
1947	<	g.complete(1);
1948	<	checkCompletedNormally(h, null);
1949	<	assertTrue(r.ran);
1950	<
1951	<	f = new CompletableFuture<>();
1952	<	g = new CompletableFuture<>();
1953	<	h = f.runAfterBoth(g, r = new Noop());
1954	<	g.complete(1);
1955	<	checkIncomplete(h);
1956	<	f.complete(3);
1957	<	checkCompletedNormally(h, null);
1958	<	assertTrue(r.ran);
1959	<
1960	<	f = new CompletableFuture<>();
1961	<	g = new CompletableFuture<>();
1962	<	g.complete(1);
1963	<	f.complete(3);
1964	<	h = f.runAfterBoth(g, r = new Noop());
1965	<	checkCompletedNormally(h, null);
1966	<	assertTrue(r.ran);
1967	<	}
1937	>	public void testRunAfterBoth_normalCompletion() {
1938	>	for (ExecutionMode m : ExecutionMode.values())
1939	>	for (boolean fFirst : new boolean[] { true, false })
1940	>	for (Integer v1 : new Integer[] { 1, null })
1941	>	for (Integer v2 : new Integer[] { 2, null })
1942	>	{
1943	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1944	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1945	>	final Noop r1 = new Noop(m);
1946	>	final Noop r2 = new Noop(m);
1947	>	final Noop r3 = new Noop(m);
1948	>
1949	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1950	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1951	>	final Integer w1 =  fFirst ? v1 : v2;
1952	>	final Integer w2 = !fFirst ? v1 : v2;
1953	>
1954	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1955	>	assertTrue(fst.complete(w1));
1956	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1957	>	checkIncomplete(h1);
1958	>	checkIncomplete(h2);
1959	>	r1.assertNotInvoked();
1960	>	r2.assertNotInvoked();
1961	>	assertTrue(snd.complete(w2));
1962	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1963	>
1964	>	checkCompletedNormally(h1, null);
1965	>	checkCompletedNormally(h2, null);
1966	>	checkCompletedNormally(h3, null);
1967	>	r1.assertInvoked();
1968	>	r2.assertInvoked();
1969	>	r3.assertInvoked();
1970	>	checkCompletedNormally(f, v1);
1971	>	checkCompletedNormally(g, v2);
1972	>	}}
1973
1974		/**
1975		* runAfterBoth result completes exceptionally after exceptional
1976		* completion of either source
1977		*/
1978	<	public void testRunAfterBoth2() {
1979	<	CompletableFuture<Integer> f, g;
1980	<	CompletableFuture<Void> h;
1981	<	Noop r;
1982	<
1983	<	f = new CompletableFuture<>();
1984	<	g = new CompletableFuture<>();
1985	<	h = f.runAfterBoth(g, r = new Noop());
1986	<	f.completeExceptionally(new CFException());
1987	<	checkIncomplete(h);
1988	<	g.complete(1);
1989	<	checkCompletedWithWrappedCFException(h);
1990	<	assertFalse(r.ran);
1991	<
1992	<	f = new CompletableFuture<>();
1993	<	g = new CompletableFuture<>();
1994	<	h = f.runAfterBoth(g, r = new Noop());
1995	<	g.completeExceptionally(new CFException());
1996	<	checkIncomplete(h);
1997	<	f.complete(3);
1998	<	checkCompletedWithWrappedCFException(h);
1999	<	assertFalse(r.ran);
2000	<
2001	<	f = new CompletableFuture<>();
2002	<	g = new CompletableFuture<>();
2003	<	g.completeExceptionally(new CFException());
2004	<	f.complete(3);
2005	<	h = f.runAfterBoth(g, r = new Noop());
2006	<	checkCompletedWithWrappedCFException(h);
2007	<	assertFalse(r.ran);
2008	<
2009	<	f = new CompletableFuture<>();
2010	<	g = new CompletableFuture<>();
2011	<	f.completeExceptionally(new CFException());
2012	<	g.complete(1);
2013	<	h = f.runAfterBoth(g, r = new Noop());
2014	<	checkCompletedWithWrappedCFException(h);
2015	<	assertFalse(r.ran);
2016	<	}
1978	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1979	>	for (ExecutionMode m : ExecutionMode.values())
1980	>	for (boolean fFirst : new boolean[] { true, false })
1981	>	for (boolean failFirst : new boolean[] { true, false })
1982	>	for (Integer v1 : new Integer[] { 1, null })
1983	>	{
1984	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1985	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1986	>	final CFException ex = new CFException();
1987	>	final Noop r1 = new Noop(m);
1988	>	final Noop r2 = new Noop(m);
1989	>	final Noop r3 = new Noop(m);
1990	>
1991	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1992	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1993	>	final Callable<Boolean> complete1 = failFirst ?
1994	>	() -> fst.completeExceptionally(ex) :
1995	>	() -> fst.complete(v1);
1996	>	final Callable<Boolean> complete2 = failFirst ?
1997	>	() -> snd.complete(v1) :
1998	>	() -> snd.completeExceptionally(ex);
1999	>
2000	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2001	>	assertTrue(complete1.call());
2002	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2003	>	checkIncomplete(h1);
2004	>	checkIncomplete(h2);
2005	>	assertTrue(complete2.call());
2006	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2007	>
2008	>	checkCompletedWithWrappedException(h1, ex);
2009	>	checkCompletedWithWrappedException(h2, ex);
2010	>	checkCompletedWithWrappedException(h3, ex);
2011	>	r1.assertNotInvoked();
2012	>	r2.assertNotInvoked();
2013	>	r3.assertNotInvoked();
2014	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2015	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2016	>	}}
2017
2018		/**
2019	<	* runAfterBoth result completes exceptionally if action does
2019	>	* runAfterBoth result completes exceptionally if either source cancelled
2020		*/
2021	<	public void testRunAfterBoth3() {
2022	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2023	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2024	<	FailingNoop r = new FailingNoop();
2025	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2026	<	f.complete(one);
2027	<	checkIncomplete(g);
2028	<	f2.complete(two);
2029	<	checkCompletedWithWrappedCFException(g);
2030	<	}
2021	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2022	>	for (ExecutionMode m : ExecutionMode.values())
2023	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2024	>	for (boolean fFirst : new boolean[] { true, false })
2025	>	for (boolean failFirst : new boolean[] { true, false })
2026	>	for (Integer v1 : new Integer[] { 1, null })
2027	>	{
2028	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2029	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2030	>	final Noop r1 = new Noop(m);
2031	>	final Noop r2 = new Noop(m);
2032	>	final Noop r3 = new Noop(m);
2033	>
2034	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2035	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2036	>	final Callable<Boolean> complete1 = failFirst ?
2037	>	() -> fst.cancel(mayInterruptIfRunning) :
2038	>	() -> fst.complete(v1);
2039	>	final Callable<Boolean> complete2 = failFirst ?
2040	>	() -> snd.complete(v1) :
2041	>	() -> snd.cancel(mayInterruptIfRunning);
2042	>
2043	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2044	>	assertTrue(complete1.call());
2045	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2046	>	checkIncomplete(h1);
2047	>	checkIncomplete(h2);
2048	>	assertTrue(complete2.call());
2049	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2050	>
2051	>	checkCompletedWithWrappedCancellationException(h1);
2052	>	checkCompletedWithWrappedCancellationException(h2);
2053	>	checkCompletedWithWrappedCancellationException(h3);
2054	>	r1.assertNotInvoked();
2055	>	r2.assertNotInvoked();
2056	>	r3.assertNotInvoked();
2057	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2058	>	checkCancelled(failFirst ? fst : snd);
2059	>	}}
2060
2061		/**
2062	<	* runAfterBoth result completes exceptionally if either source cancelled
2062	>	* runAfterBoth result completes exceptionally if action does
2063		*/
2064	<	public void testRunAfterBoth4() {
2065	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2066	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2067	<	Noop r = new Noop();
2068	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2069	<	assertTrue(f.cancel(true));
2070	<	f2.complete(two);
2071	<	checkCompletedWithWrappedCancellationException(g);
2072	<	f = new CompletableFuture<>();
2073	<	f2 = new CompletableFuture<>();
2074	<	r = new Noop();
2075	<	g = f.runAfterBoth(f2, r);
2076	<	f.complete(one);
2077	<	assertTrue(f2.cancel(true));
2078	<	checkCompletedWithWrappedCancellationException(g);
2079	<	}
2064	>	public void testRunAfterBoth_actionFailed() {
2065	>	for (ExecutionMode m : ExecutionMode.values())
2066	>	for (boolean fFirst : new boolean[] { true, false })
2067	>	for (Integer v1 : new Integer[] { 1, null })
2068	>	for (Integer v2 : new Integer[] { 2, null })
2069	>	{
2070	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2071	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2072	>	final FailingRunnable r1 = new FailingRunnable(m);
2073	>	final FailingRunnable r2 = new FailingRunnable(m);
2074	>	final FailingRunnable r3 = new FailingRunnable(m);
2075	>
2076	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2077	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2078	>	final Integer w1 =  fFirst ? v1 : v2;
2079	>	final Integer w2 = !fFirst ? v1 : v2;
2080	>
2081	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2082	>	assertTrue(fst.complete(w1));
2083	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2084	>	assertTrue(snd.complete(w2));
2085	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2086	>
2087	>	checkCompletedWithWrappedException(h1, r1.ex);
2088	>	checkCompletedWithWrappedException(h2, r2.ex);
2089	>	checkCompletedWithWrappedException(h3, r3.ex);
2090	>	r1.assertInvoked();
2091	>	r2.assertInvoked();
2092	>	r3.assertInvoked();
2093	>	checkCompletedNormally(f, v1);
2094	>	checkCompletedNormally(g, v2);
2095	>	}}
2096
2097		/**
2098		* applyToEither result completes normally after normal completion
2099		* of either source
2100		*/
2101	<	public void testApplyToEither() {
2102	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2103	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2104	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2105	<	f.complete(one);
2106	<	checkCompletedNormally(g, two);
2107	<	f2.complete(one);
2108	<	checkCompletedNormally(g, two);
2109	<
2110	<	f = new CompletableFuture<>();
2111	<	f.complete(one);
2112	<	f2 = new CompletableFuture<>();
2113	<	g = f.applyToEither(f2, inc);
2114	<	checkCompletedNormally(g, two);
2115	<	}
2101	>	public void testApplyToEither_normalCompletion() {
2102	>	for (ExecutionMode m : ExecutionMode.values())
2103	>	for (Integer v1 : new Integer[] { 1, null })
2104	>	for (Integer v2 : new Integer[] { 2, null })
2105	>	{
2106	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2107	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2108	>	final IncFunction[] rs = new IncFunction[6];
2109	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2110	>
2111	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2112	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2113	>	checkIncomplete(h0);
2114	>	checkIncomplete(h1);
2115	>	rs[0].assertNotInvoked();
2116	>	rs[1].assertNotInvoked();
2117	>	f.complete(v1);
2118	>	checkCompletedNormally(h0, inc(v1));
2119	>	checkCompletedNormally(h1, inc(v1));
2120	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2121	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2122	>	checkCompletedNormally(h2, inc(v1));
2123	>	checkCompletedNormally(h3, inc(v1));
2124	>	g.complete(v2);
2125	>
2126	>	// unspecified behavior - both source completions available
2127	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2128	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2129	>	rs[4].assertValue(h4.join());
2130	>	rs[5].assertValue(h5.join());
2131	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2132	>	Objects.equals(inc(v2), h4.join()));
2133	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2134	>	Objects.equals(inc(v2), h5.join()));
2135	>
2136	>	checkCompletedNormally(f, v1);
2137	>	checkCompletedNormally(g, v2);
2138	>	checkCompletedNormally(h0, inc(v1));
2139	>	checkCompletedNormally(h1, inc(v1));
2140	>	checkCompletedNormally(h2, inc(v1));
2141	>	checkCompletedNormally(h3, inc(v1));
2142	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2143	>	}}
2144
2145		/**
2146		* applyToEither result completes exceptionally after exceptional
2147		* completion of either source
2148		*/
2149	<	public void testApplyToEither2() {
2150	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2151	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2152	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2153	<	f.completeExceptionally(new CFException());
2154	<	f2.complete(one);
2155	<	checkCompletedWithWrappedCFException(g);
2149	>	public void testApplyToEither_exceptionalCompletion() {
2150	>	for (ExecutionMode m : ExecutionMode.values())
2151	>	for (Integer v1 : new Integer[] { 1, null })
2152	>	{
2153	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2154	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2155	>	final CFException ex = new CFException();
2156	>	final IncFunction[] rs = new IncFunction[6];
2157	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2158	>
2159	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2160	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2161	>	checkIncomplete(h0);
2162	>	checkIncomplete(h1);
2163	>	rs[0].assertNotInvoked();
2164	>	rs[1].assertNotInvoked();
2165	>	f.completeExceptionally(ex);
2166	>	checkCompletedWithWrappedException(h0, ex);
2167	>	checkCompletedWithWrappedException(h1, ex);
2168	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2169	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2170	>	checkCompletedWithWrappedException(h2, ex);
2171	>	checkCompletedWithWrappedException(h3, ex);
2172	>	g.complete(v1);
2173	>
2174	>	// unspecified behavior - both source completions available
2175	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2176	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2177	>	try {
2178	>	assertEquals(inc(v1), h4.join());
2179	>	rs[4].assertValue(inc(v1));
2180	>	} catch (CompletionException ok) {
2181	>	checkCompletedWithWrappedException(h4, ex);
2182	>	rs[4].assertNotInvoked();
2183	>	}
2184	>	try {
2185	>	assertEquals(inc(v1), h5.join());
2186	>	rs[5].assertValue(inc(v1));
2187	>	} catch (CompletionException ok) {
2188	>	checkCompletedWithWrappedException(h5, ex);
2189	>	rs[5].assertNotInvoked();
2190	>	}
2191
2192	<	f = new CompletableFuture<>();
2193	<	f2 = new CompletableFuture<>();
2194	<	f2.completeExceptionally(new CFException());
2195	<	g = f.applyToEither(f2, inc);
2196	<	checkCompletedWithWrappedCFException(g);
2197	<	}
2192	>	checkCompletedExceptionally(f, ex);
2193	>	checkCompletedNormally(g, v1);
2194	>	checkCompletedWithWrappedException(h0, ex);
2195	>	checkCompletedWithWrappedException(h1, ex);
2196	>	checkCompletedWithWrappedException(h2, ex);
2197	>	checkCompletedWithWrappedException(h3, ex);
2198	>	checkCompletedWithWrappedException(h4, ex);
2199	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2200	>	}}
2201	>
2202	>	public void testApplyToEither_exceptionalCompletion2() {
2203	>	for (ExecutionMode m : ExecutionMode.values())
2204	>	for (boolean fFirst : new boolean[] { true, false })
2205	>	for (Integer v1 : new Integer[] { 1, null })
2206	>	{
2207	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2208	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2209	>	final CFException ex = new CFException();
2210	>	final IncFunction[] rs = new IncFunction[6];
2211	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2212	>
2213	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2214	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2215	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2216	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2217	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2218	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2219
2220	<	/**
2221	<	* applyToEither result completes exceptionally if action does
2222	<	*/
2223	<	public void testApplyToEither3() {
2224	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2225	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2226	<	FailingFunction r = new FailingFunction();
2227	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
2228	<	f2.complete(two);
2229	<	checkCompletedWithWrappedCFException(g);
2230	<	}
2220	>	// unspecified behavior - both source completions available
2221	>	try {
2222	>	assertEquals(inc(v1), h0.join());
2223	>	rs[0].assertValue(inc(v1));
2224	>	} catch (CompletionException ok) {
2225	>	checkCompletedWithWrappedException(h0, ex);
2226	>	rs[0].assertNotInvoked();
2227	>	}
2228	>	try {
2229	>	assertEquals(inc(v1), h1.join());
2230	>	rs[1].assertValue(inc(v1));
2231	>	} catch (CompletionException ok) {
2232	>	checkCompletedWithWrappedException(h1, ex);
2233	>	rs[1].assertNotInvoked();
2234	>	}
2235	>	try {
2236	>	assertEquals(inc(v1), h2.join());
2237	>	rs[2].assertValue(inc(v1));
2238	>	} catch (CompletionException ok) {
2239	>	checkCompletedWithWrappedException(h2, ex);
2240	>	rs[2].assertNotInvoked();
2241	>	}
2242	>	try {
2243	>	assertEquals(inc(v1), h3.join());
2244	>	rs[3].assertValue(inc(v1));
2245	>	} catch (CompletionException ok) {
2246	>	checkCompletedWithWrappedException(h3, ex);
2247	>	rs[3].assertNotInvoked();
2248	>	}
2249
2250	<	/**
2251	<	* applyToEither result completes exceptionally if either source cancelled
2252	<	*/
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	<	}
2250	>	checkCompletedNormally(f, v1);
2251	>	checkCompletedExceptionally(g, ex);
2252	>	}}
2253
2254		/**
2255	<	* acceptEither result completes normally after normal completion
1100	<	* of either source
2255	>	* applyToEither result completes exceptionally if either source cancelled
2256		*/
2257	<	public void testAcceptEither() {
2258	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2259	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2260	<	IncAction r = new IncAction();
2261	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2262	<	f.complete(one);
2263	<	checkCompletedNormally(g, null);
2264	<	f2.complete(one);
2265	<	checkCompletedNormally(g, null);
2266	<	assertEquals(r.value, 2);
2267	<
2268	<	r = new IncAction();
2269	<	f = new CompletableFuture<>();
2270	<	f.complete(one);
2271	<	f2 = new CompletableFuture<>();
2272	<	g = f.acceptEither(f2, r);
2273	<	checkCompletedNormally(g, null);
2274	<	assertEquals(r.value, 2);
2275	<	}
2257	>	public void testApplyToEither_sourceCancelled() {
2258	>	for (ExecutionMode m : ExecutionMode.values())
2259	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2260	>	for (Integer v1 : new Integer[] { 1, null })
2261	>	{
2262	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2263	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2264	>	final IncFunction[] rs = new IncFunction[6];
2265	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2266	>
2267	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2268	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2269	>	checkIncomplete(h0);
2270	>	checkIncomplete(h1);
2271	>	rs[0].assertNotInvoked();
2272	>	rs[1].assertNotInvoked();
2273	>	f.cancel(mayInterruptIfRunning);
2274	>	checkCompletedWithWrappedCancellationException(h0);
2275	>	checkCompletedWithWrappedCancellationException(h1);
2276	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2277	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2278	>	checkCompletedWithWrappedCancellationException(h2);
2279	>	checkCompletedWithWrappedCancellationException(h3);
2280	>	g.complete(v1);
2281	>
2282	>	// unspecified behavior - both source completions available
2283	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2284	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2285	>	try {
2286	>	assertEquals(inc(v1), h4.join());
2287	>	rs[4].assertValue(inc(v1));
2288	>	} catch (CompletionException ok) {
2289	>	checkCompletedWithWrappedCancellationException(h4);
2290	>	rs[4].assertNotInvoked();
2291	>	}
2292	>	try {
2293	>	assertEquals(inc(v1), h5.join());
2294	>	rs[5].assertValue(inc(v1));
2295	>	} catch (CompletionException ok) {
2296	>	checkCompletedWithWrappedCancellationException(h5);
2297	>	rs[5].assertNotInvoked();
2298	>	}
2299
2300	<	/**
2301	<	* acceptEither result completes exceptionally after exceptional
2302	<	* completion of either source
2303	<	*/
2304	<	public void testAcceptEither2() {
2305	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2306	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2307	<	IncAction r = new IncAction();
2308	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2309	<	f.completeExceptionally(new CFException());
2310	<	f2.complete(one);
2311	<	checkCompletedWithWrappedCFException(g);
2300	>	checkCancelled(f);
2301	>	checkCompletedNormally(g, v1);
2302	>	checkCompletedWithWrappedCancellationException(h0);
2303	>	checkCompletedWithWrappedCancellationException(h1);
2304	>	checkCompletedWithWrappedCancellationException(h2);
2305	>	checkCompletedWithWrappedCancellationException(h3);
2306	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2307	>	}}
2308	>
2309	>	public void testApplyToEither_sourceCancelled2() {
2310	>	for (ExecutionMode m : ExecutionMode.values())
2311	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2312	>	for (boolean fFirst : new boolean[] { true, false })
2313	>	for (Integer v1 : new Integer[] { 1, null })
2314	>	{
2315	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2316	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2317	>	final IncFunction[] rs = new IncFunction[6];
2318	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2319	>
2320	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2321	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2322	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2323	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2324	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2325	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2326
2327	<	r = new IncAction();
2328	<	f = new CompletableFuture<>();
2329	<	f2 = new CompletableFuture<>();
2330	<	f2.completeExceptionally(new CFException());
2331	<	g = f.acceptEither(f2, r);
2332	<	checkCompletedWithWrappedCFException(g);
2333	<	}
2327	>	// unspecified behavior - both source completions available
2328	>	try {
2329	>	assertEquals(inc(v1), h0.join());
2330	>	rs[0].assertValue(inc(v1));
2331	>	} catch (CompletionException ok) {
2332	>	checkCompletedWithWrappedCancellationException(h0);
2333	>	rs[0].assertNotInvoked();
2334	>	}
2335	>	try {
2336	>	assertEquals(inc(v1), h1.join());
2337	>	rs[1].assertValue(inc(v1));
2338	>	} catch (CompletionException ok) {
2339	>	checkCompletedWithWrappedCancellationException(h1);
2340	>	rs[1].assertNotInvoked();
2341	>	}
2342	>	try {
2343	>	assertEquals(inc(v1), h2.join());
2344	>	rs[2].assertValue(inc(v1));
2345	>	} catch (CompletionException ok) {
2346	>	checkCompletedWithWrappedCancellationException(h2);
2347	>	rs[2].assertNotInvoked();
2348	>	}
2349	>	try {
2350	>	assertEquals(inc(v1), h3.join());
2351	>	rs[3].assertValue(inc(v1));
2352	>	} catch (CompletionException ok) {
2353	>	checkCompletedWithWrappedCancellationException(h3);
2354	>	rs[3].assertNotInvoked();
2355	>	}
2356
2357	<	/**
2358	<	* acceptEither result completes exceptionally if action does
2359	<	*/
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	<	}
2357	>	checkCompletedNormally(f, v1);
2358	>	checkCancelled(g);
2359	>	}}
2360
2361		/**
2362	<	* acceptEither result completes exceptionally if either source cancelled
2362	>	* applyToEither result completes exceptionally if action does
2363		*/
2364	<	public void testAcceptEither4() {
2365	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2366	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2367	<	IncAction r = new IncAction();
2368	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2369	<	assertTrue(f.cancel(true));
2370	<	checkCompletedWithWrappedCancellationException(g);
2371	<	f = new CompletableFuture<>();
2372	<	f2 = new CompletableFuture<>();
2373	<	assertTrue(f2.cancel(true));
2374	<	checkCompletedWithWrappedCancellationException(g);
2375	<	}
2364	>	public void testApplyToEither_actionFailed() {
2365	>	for (ExecutionMode m : ExecutionMode.values())
2366	>	for (Integer v1 : new Integer[] { 1, null })
2367	>	for (Integer v2 : new Integer[] { 2, null })
2368	>	{
2369	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2370	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2371	>	final FailingFunction[] rs = new FailingFunction[6];
2372	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2373	>
2374	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2375	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2376	>	f.complete(v1);
2377	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2378	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2379	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2380	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2381	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2382	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2383	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2384	>
2385	>	g.complete(v2);
2386	>
2387	>	// unspecified behavior - both source completions available
2388	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2389	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2390	>
2391	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2392	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2393	>	Objects.equals(v2, rs[4].value));
2394	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2395	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2396	>	Objects.equals(v2, rs[5].value));
2397	>
2398	>	checkCompletedNormally(f, v1);
2399	>	checkCompletedNormally(g, v2);
2400	>	}}
2401
2402		/**
2403	<	* runAfterEither result completes normally after normal completion
2403	>	* acceptEither result completes normally after normal completion
2404		* of either source
2405		*/
2406	<	public void testRunAfterEither() {
2407	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2408	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2409	<	Noop r = new Noop();
2410	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2411	<	f.complete(one);
2412	<	checkCompletedNormally(g, null);
2413	<	f2.complete(one);
2414	<	checkCompletedNormally(g, null);
2415	<	assertTrue(r.ran);
2416	<
2417	<	r = new Noop();
2418	<	f = new CompletableFuture<>();
2419	<	f.complete(one);
2420	<	f2 = new CompletableFuture<>();
2421	<	g = f.runAfterEither(f2, r);
2422	<	checkCompletedNormally(g, null);
2423	<	assertTrue(r.ran);
2424	<	}
2406	>	public void testAcceptEither_normalCompletion() {
2407	>	for (ExecutionMode m : ExecutionMode.values())
2408	>	for (Integer v1 : new Integer[] { 1, null })
2409	>	for (Integer v2 : new Integer[] { 2, null })
2410	>	{
2411	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2412	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2413	>	final NoopConsumer[] rs = new NoopConsumer[6];
2414	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2415	>
2416	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2417	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2418	>	checkIncomplete(h0);
2419	>	checkIncomplete(h1);
2420	>	rs[0].assertNotInvoked();
2421	>	rs[1].assertNotInvoked();
2422	>	f.complete(v1);
2423	>	checkCompletedNormally(h0, null);
2424	>	checkCompletedNormally(h1, null);
2425	>	rs[0].assertValue(v1);
2426	>	rs[1].assertValue(v1);
2427	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2428	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2429	>	checkCompletedNormally(h2, null);
2430	>	checkCompletedNormally(h3, null);
2431	>	rs[2].assertValue(v1);
2432	>	rs[3].assertValue(v1);
2433	>	g.complete(v2);
2434	>
2435	>	// unspecified behavior - both source completions available
2436	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2437	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2438	>	checkCompletedNormally(h4, null);
2439	>	checkCompletedNormally(h5, null);
2440	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2441	>	Objects.equals(v2, rs[4].value));
2442	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2443	>	Objects.equals(v2, rs[5].value));
2444	>
2445	>	checkCompletedNormally(f, v1);
2446	>	checkCompletedNormally(g, v2);
2447	>	checkCompletedNormally(h0, null);
2448	>	checkCompletedNormally(h1, null);
2449	>	checkCompletedNormally(h2, null);
2450	>	checkCompletedNormally(h3, null);
2451	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2452	>	}}
2453
2454		/**
2455	<	* runAfterEither result completes exceptionally after exceptional
2455	>	* acceptEither result completes exceptionally after exceptional
2456		* completion of either source
2457		*/
2458	<	public void testRunAfterEither2() {
2459	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2460	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2461	<	Noop r = new Noop();
2462	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2463	<	f.completeExceptionally(new CFException());
2464	<	f2.complete(one);
2465	<	checkCompletedWithWrappedCFException(g);
2466	<
2467	<	r = new Noop();
2468	<	f = new CompletableFuture<>();
2469	<	f2 = new CompletableFuture<>();
2470	<	f2.completeExceptionally(new CFException());
2471	<	g = f.runAfterEither(f2, r);
2472	<	checkCompletedWithWrappedCFException(g);
2473	<	}
2474	<
2475	<	/**
2476	<	* runAfterEither result completes exceptionally if action does
2477	<	*/
2478	<	public void testRunAfterEither3() {
2479	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2480	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2481	<	FailingNoop r = new FailingNoop();
2482	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2483	<	f2.complete(two);
2484	<	checkCompletedWithWrappedCFException(g);
2485	<	}
2486	<
2487	<	/**
2488	<	* runAfterEither result completes exceptionally if either source cancelled
2489	<	*/
2490	<	public void testRunAfterEither4() {
2491	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2492	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2493	<	Noop r = new Noop();
2494	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2495	<	assertTrue(f.cancel(true));
2496	<	checkCompletedWithWrappedCancellationException(g);
2497	<	f = new CompletableFuture<>();
2498	<	f2 = new CompletableFuture<>();
2499	<	assertTrue(f2.cancel(true));
2500	<	checkCompletedWithWrappedCancellationException(g);
1242	<	}
2458	>	public void testAcceptEither_exceptionalCompletion() {
2459	>	for (ExecutionMode m : ExecutionMode.values())
2460	>	for (Integer v1 : new Integer[] { 1, null })
2461	>	{
2462	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2463	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2464	>	final CFException ex = new CFException();
2465	>	final NoopConsumer[] rs = new NoopConsumer[6];
2466	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2467	>
2468	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2469	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2470	>	checkIncomplete(h0);
2471	>	checkIncomplete(h1);
2472	>	rs[0].assertNotInvoked();
2473	>	rs[1].assertNotInvoked();
2474	>	f.completeExceptionally(ex);
2475	>	checkCompletedWithWrappedException(h0, ex);
2476	>	checkCompletedWithWrappedException(h1, ex);
2477	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2478	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2479	>	checkCompletedWithWrappedException(h2, ex);
2480	>	checkCompletedWithWrappedException(h3, ex);
2481	>
2482	>	g.complete(v1);
2483	>
2484	>	// unspecified behavior - both source completions available
2485	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2486	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2487	>	try {
2488	>	assertNull(h4.join());
2489	>	rs[4].assertValue(v1);
2490	>	} catch (CompletionException ok) {
2491	>	checkCompletedWithWrappedException(h4, ex);
2492	>	rs[4].assertNotInvoked();
2493	>	}
2494	>	try {
2495	>	assertNull(h5.join());
2496	>	rs[5].assertValue(v1);
2497	>	} catch (CompletionException ok) {
2498	>	checkCompletedWithWrappedException(h5, ex);
2499	>	rs[5].assertNotInvoked();
2500	>	}
2501
2502	<	/**
2503	<	* thenCompose result completes normally after normal completion of source
2504	<	*/
2505	<	public void testThenCompose() {
2506	<	CompletableFuture<Integer> f, g;
2507	<	CompletableFutureInc r;
2502	>	checkCompletedExceptionally(f, ex);
2503	>	checkCompletedNormally(g, v1);
2504	>	checkCompletedWithWrappedException(h0, ex);
2505	>	checkCompletedWithWrappedException(h1, ex);
2506	>	checkCompletedWithWrappedException(h2, ex);
2507	>	checkCompletedWithWrappedException(h3, ex);
2508	>	checkCompletedWithWrappedException(h4, ex);
2509	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2510	>	}}
2511	>
2512	>	public void testAcceptEither_exceptionalCompletion2() {
2513	>	for (ExecutionMode m : ExecutionMode.values())
2514	>	for (boolean fFirst : new boolean[] { true, false })
2515	>	for (Integer v1 : new Integer[] { 1, null })
2516	>	{
2517	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2518	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2519	>	final CFException ex = new CFException();
2520	>	final NoopConsumer[] rs = new NoopConsumer[6];
2521	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2522	>
2523	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2524	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2525	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2526	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2527	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2528	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2529
2530	<	f = new CompletableFuture<>();
2531	<	g = f.thenCompose(r = new CompletableFutureInc());
2532	<	f.complete(one);
2533	<	checkCompletedNormally(g, two);
2534	<	assertTrue(r.ran);
2530	>	// unspecified behavior - both source completions available
2531	>	try {
2532	>	assertEquals(null, h0.join());
2533	>	rs[0].assertValue(v1);
2534	>	} catch (CompletionException ok) {
2535	>	checkCompletedWithWrappedException(h0, ex);
2536	>	rs[0].assertNotInvoked();
2537	>	}
2538	>	try {
2539	>	assertEquals(null, h1.join());
2540	>	rs[1].assertValue(v1);
2541	>	} catch (CompletionException ok) {
2542	>	checkCompletedWithWrappedException(h1, ex);
2543	>	rs[1].assertNotInvoked();
2544	>	}
2545	>	try {
2546	>	assertEquals(null, h2.join());
2547	>	rs[2].assertValue(v1);
2548	>	} catch (CompletionException ok) {
2549	>	checkCompletedWithWrappedException(h2, ex);
2550	>	rs[2].assertNotInvoked();
2551	>	}
2552	>	try {
2553	>	assertEquals(null, h3.join());
2554	>	rs[3].assertValue(v1);
2555	>	} catch (CompletionException ok) {
2556	>	checkCompletedWithWrappedException(h3, ex);
2557	>	rs[3].assertNotInvoked();
2558	>	}
2559
2560	<	f = new CompletableFuture<>();
2561	<	f.complete(one);
2562	<	g = f.thenCompose(r = new CompletableFutureInc());
1260	<	checkCompletedNormally(g, two);
1261	<	assertTrue(r.ran);
1262	<	}
2560	>	checkCompletedNormally(f, v1);
2561	>	checkCompletedExceptionally(g, ex);
2562	>	}}
2563
2564		/**
2565	<	* thenCompose result completes exceptionally after exceptional
1266	<	* completion of source
2565	>	* acceptEither result completes exceptionally if either source cancelled
2566		*/
2567	<	public void testThenCompose2() {
2568	<	CompletableFuture<Integer> f, g;
2569	<	CompletableFutureInc r;
2570	<
2571	<	f = new CompletableFuture<>();
2572	<	g = f.thenCompose(r = new CompletableFutureInc());
2573	<	f.completeExceptionally(new CFException());
2574	<	checkCompletedWithWrappedCFException(g);
2567	>	public void testAcceptEither_sourceCancelled() {
2568	>	for (ExecutionMode m : ExecutionMode.values())
2569	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2570	>	for (Integer v1 : new Integer[] { 1, null })
2571	>	{
2572	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2573	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2574	>	final NoopConsumer[] rs = new NoopConsumer[6];
2575	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2576	>
2577	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2578	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2579	>	checkIncomplete(h0);
2580	>	checkIncomplete(h1);
2581	>	rs[0].assertNotInvoked();
2582	>	rs[1].assertNotInvoked();
2583	>	f.cancel(mayInterruptIfRunning);
2584	>	checkCompletedWithWrappedCancellationException(h0);
2585	>	checkCompletedWithWrappedCancellationException(h1);
2586	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2587	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2588	>	checkCompletedWithWrappedCancellationException(h2);
2589	>	checkCompletedWithWrappedCancellationException(h3);
2590	>
2591	>	g.complete(v1);
2592	>
2593	>	// unspecified behavior - both source completions available
2594	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2595	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2596	>	try {
2597	>	assertNull(h4.join());
2598	>	rs[4].assertValue(v1);
2599	>	} catch (CompletionException ok) {
2600	>	checkCompletedWithWrappedCancellationException(h4);
2601	>	rs[4].assertNotInvoked();
2602	>	}
2603	>	try {
2604	>	assertNull(h5.join());
2605	>	rs[5].assertValue(v1);
2606	>	} catch (CompletionException ok) {
2607	>	checkCompletedWithWrappedCancellationException(h5);
2608	>	rs[5].assertNotInvoked();
2609	>	}
2610
2611	<	f = new CompletableFuture<>();
2612	<	f.completeExceptionally(new CFException());
2613	<	g = f.thenCompose(r = new CompletableFutureInc());
2614	<	checkCompletedWithWrappedCFException(g);
2615	<	}
2611	>	checkCancelled(f);
2612	>	checkCompletedNormally(g, v1);
2613	>	checkCompletedWithWrappedCancellationException(h0);
2614	>	checkCompletedWithWrappedCancellationException(h1);
2615	>	checkCompletedWithWrappedCancellationException(h2);
2616	>	checkCompletedWithWrappedCancellationException(h3);
2617	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2618	>	}}
2619
2620		/**
2621	<	* thenCompose result completes exceptionally if action does
2621	>	* acceptEither result completes exceptionally if action does
2622		*/
2623	<	public void testThenCompose3() {
2624	<	CompletableFuture<Integer> f, g;
2625	<	FailingCompletableFutureFunction r;
2626	<
2627	<	f = new CompletableFuture<>();
2628	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2629	<	f.complete(one);
2630	<	checkCompletedWithWrappedCFException(g);
2631	<
2632	<	f = new CompletableFuture<>();
2633	<	f.complete(one);
2634	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2635	<	checkCompletedWithWrappedCFException(g);
2636	<	}
2623	>	public void testAcceptEither_actionFailed() {
2624	>	for (ExecutionMode m : ExecutionMode.values())
2625	>	for (Integer v1 : new Integer[] { 1, null })
2626	>	for (Integer v2 : new Integer[] { 2, null })
2627	>	{
2628	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2629	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2630	>	final FailingConsumer[] rs = new FailingConsumer[6];
2631	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2632	>
2633	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2634	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2635	>	f.complete(v1);
2636	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2637	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2638	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2639	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2640	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2641	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2642	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2643	>
2644	>	g.complete(v2);
2645	>
2646	>	// unspecified behavior - both source completions available
2647	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2648	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2649	>
2650	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2651	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2652	>	Objects.equals(v2, rs[4].value));
2653	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2654	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2655	>	Objects.equals(v2, rs[5].value));
2656	>
2657	>	checkCompletedNormally(f, v1);
2658	>	checkCompletedNormally(g, v2);
2659	>	}}
2660
2661		/**
2662	<	* thenCompose result completes exceptionally if source cancelled
2662	>	* runAfterEither result completes normally after normal completion
2663	>	* of either source
2664		*/
2665	<	public void testThenCompose4() {
2666	<	CompletableFuture<Integer> f, g;
2667	<	CompletableFutureInc r;
2668	<
2669	<	f = new CompletableFuture<>();
2670	<	g = f.thenCompose(r = new CompletableFutureInc());
2671	<	assertTrue(f.cancel(true));
2672	<	checkCompletedWithWrappedCancellationException(g);
2673	<
2674	<	f = new CompletableFuture<>();
2675	<	assertTrue(f.cancel(true));
2676	<	g = f.thenCompose(r = new CompletableFutureInc());
2677	<	checkCompletedWithWrappedCancellationException(g);
2678	<	}
2679	<
2680	<	// asyncs
2665	>	public void testRunAfterEither_normalCompletion() {
2666	>	for (ExecutionMode m : ExecutionMode.values())
2667	>	for (Integer v1 : new Integer[] { 1, null })
2668	>	for (Integer v2 : new Integer[] { 2, null })
2669	>	{
2670	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2671	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2672	>	final Noop[] rs = new Noop[6];
2673	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2674	>
2675	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2676	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2677	>	checkIncomplete(h0);
2678	>	checkIncomplete(h1);
2679	>	rs[0].assertNotInvoked();
2680	>	rs[1].assertNotInvoked();
2681	>	f.complete(v1);
2682	>	checkCompletedNormally(h0, null);
2683	>	checkCompletedNormally(h1, null);
2684	>	rs[0].assertInvoked();
2685	>	rs[1].assertInvoked();
2686	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2687	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2688	>	checkCompletedNormally(h2, null);
2689	>	checkCompletedNormally(h3, null);
2690	>	rs[2].assertInvoked();
2691	>	rs[3].assertInvoked();
2692	>
2693	>	g.complete(v2);
2694	>
2695	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2696	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2697	>
2698	>	checkCompletedNormally(f, v1);
2699	>	checkCompletedNormally(g, v2);
2700	>	checkCompletedNormally(h0, null);
2701	>	checkCompletedNormally(h1, null);
2702	>	checkCompletedNormally(h2, null);
2703	>	checkCompletedNormally(h3, null);
2704	>	checkCompletedNormally(h4, null);
2705	>	checkCompletedNormally(h5, null);
2706	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2707	>	}}
2708
2709		/**
2710	<	* thenRunAsync result completes normally after normal completion of source
2710	>	* runAfterEither result completes exceptionally after exceptional
2711	>	* completion of either source
2712		*/
2713	<	public void testThenRunAsync() {
2714	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2715	<	Noop r = new Noop();
2716	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2717	<	f.complete(null);
2718	<	checkCompletedNormally(g, null);
2713	>	public void testRunAfterEither_exceptionalCompletion() {
2714	>	for (ExecutionMode m : ExecutionMode.values())
2715	>	for (Integer v1 : new Integer[] { 1, null })
2716	>	{
2717	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2718	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2719	>	final CFException ex = new CFException();
2720	>	final Noop[] rs = new Noop[6];
2721	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2722	>
2723	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2724	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2725	>	checkIncomplete(h0);
2726	>	checkIncomplete(h1);
2727	>	rs[0].assertNotInvoked();
2728	>	rs[1].assertNotInvoked();
2729	>	assertTrue(f.completeExceptionally(ex));
2730	>	checkCompletedWithWrappedException(h0, ex);
2731	>	checkCompletedWithWrappedException(h1, ex);
2732	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2733	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2734	>	checkCompletedWithWrappedException(h2, ex);
2735	>	checkCompletedWithWrappedException(h3, ex);
2736	>
2737	>	assertTrue(g.complete(v1));
2738	>
2739	>	// unspecified behavior - both source completions available
2740	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2741	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2742	>	try {
2743	>	assertNull(h4.join());
2744	>	rs[4].assertInvoked();
2745	>	} catch (CompletionException ok) {
2746	>	checkCompletedWithWrappedException(h4, ex);
2747	>	rs[4].assertNotInvoked();
2748	>	}
2749	>	try {
2750	>	assertNull(h5.join());
2751	>	rs[5].assertInvoked();
2752	>	} catch (CompletionException ok) {
2753	>	checkCompletedWithWrappedException(h5, ex);
2754	>	rs[5].assertNotInvoked();
2755	>	}
2756
2757	<	// reordered version
2758	<	f = new CompletableFuture<>();
2759	<	f.complete(null);
2760	<	r = new Noop();
2761	<	g = f.thenRunAsync(r);
2762	<	checkCompletedNormally(g, null);
2763	<	}
2757	>	checkCompletedExceptionally(f, ex);
2758	>	checkCompletedNormally(g, v1);
2759	>	checkCompletedWithWrappedException(h0, ex);
2760	>	checkCompletedWithWrappedException(h1, ex);
2761	>	checkCompletedWithWrappedException(h2, ex);
2762	>	checkCompletedWithWrappedException(h3, ex);
2763	>	checkCompletedWithWrappedException(h4, ex);
2764	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2765	>	}}
2766	>
2767	>	public void testRunAfterEither_exceptionalCompletion2() {
2768	>	for (ExecutionMode m : ExecutionMode.values())
2769	>	for (boolean fFirst : new boolean[] { true, false })
2770	>	for (Integer v1 : new Integer[] { 1, null })
2771	>	{
2772	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2773	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2774	>	final CFException ex = new CFException();
2775	>	final Noop[] rs = new Noop[6];
2776	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2777	>
2778	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2779	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2780	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2781	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2782	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2783	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2784
2785	<	/**
1340	<	* thenRunAsync result completes exceptionally after exceptional
1341	<	* completion of source
1342	<	*/
1343	<	public void testThenRunAsync2() {
1344	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1345	<	Noop r = new Noop();
1346	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1347	<	f.completeExceptionally(new CFException());
2785	>	// unspecified behavior - both source completions available
2786		try {
2787	<	g.join();
2788	<	shouldThrow();
2789	<	} catch (CompletionException success) {}
2790	<	checkCompletedWithWrappedCFException(g);
2791	<	}
2792	<
2793	<	/**
2794	<	* thenRunAsync result completes exceptionally if action does
2795	<	*/
2796	<	public void testThenRunAsync3() {
2797	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2798	<	FailingNoop r = new FailingNoop();
2799	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2800	<	f.complete(null);
2801	<	checkCompletedWithWrappedCFException(g);
2802	<	}
2787	>	assertEquals(null, h0.join());
2788	>	rs[0].assertInvoked();
2789	>	} catch (CompletionException ok) {
2790	>	checkCompletedWithWrappedException(h0, ex);
2791	>	rs[0].assertNotInvoked();
2792	>	}
2793	>	try {
2794	>	assertEquals(null, h1.join());
2795	>	rs[1].assertInvoked();
2796	>	} catch (CompletionException ok) {
2797	>	checkCompletedWithWrappedException(h1, ex);
2798	>	rs[1].assertNotInvoked();
2799	>	}
2800	>	try {
2801	>	assertEquals(null, h2.join());
2802	>	rs[2].assertInvoked();
2803	>	} catch (CompletionException ok) {
2804	>	checkCompletedWithWrappedException(h2, ex);
2805	>	rs[2].assertNotInvoked();
2806	>	}
2807	>	try {
2808	>	assertEquals(null, h3.join());
2809	>	rs[3].assertInvoked();
2810	>	} catch (CompletionException ok) {
2811	>	checkCompletedWithWrappedException(h3, ex);
2812	>	rs[3].assertNotInvoked();
2813	>	}
2814
2815	<	/**
2816	<	* thenRunAsync result completes exceptionally if source cancelled
2817	<	*/
1369	<	public void testThenRunAsync4() {
1370	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1371	<	Noop r = new Noop();
1372	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1373	<	assertTrue(f.cancel(true));
1374	<	checkCompletedWithWrappedCancellationException(g);
1375	<	}
2815	>	checkCompletedNormally(f, v1);
2816	>	checkCompletedExceptionally(g, ex);
2817	>	}}
2818
2819		/**
2820	<	* thenApplyAsync result completes normally after normal completion of source
2820	>	* runAfterEither result completes exceptionally if either source cancelled
2821		*/
2822	<	public void testThenApplyAsync() {
2823	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2824	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2825	<	f.complete(one);
2826	<	checkCompletedNormally(g, two);
2827	<	}
2822	>	public void testRunAfterEither_sourceCancelled() {
2823	>	for (ExecutionMode m : ExecutionMode.values())
2824	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2825	>	for (Integer v1 : new Integer[] { 1, null })
2826	>	{
2827	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2828	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2829	>	final Noop[] rs = new Noop[6];
2830	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2831	>
2832	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2833	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2834	>	checkIncomplete(h0);
2835	>	checkIncomplete(h1);
2836	>	rs[0].assertNotInvoked();
2837	>	rs[1].assertNotInvoked();
2838	>	f.cancel(mayInterruptIfRunning);
2839	>	checkCompletedWithWrappedCancellationException(h0);
2840	>	checkCompletedWithWrappedCancellationException(h1);
2841	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2842	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2843	>	checkCompletedWithWrappedCancellationException(h2);
2844	>	checkCompletedWithWrappedCancellationException(h3);
2845	>
2846	>	assertTrue(g.complete(v1));
2847	>
2848	>	// unspecified behavior - both source completions available
2849	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2850	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2851	>	try {
2852	>	assertNull(h4.join());
2853	>	rs[4].assertInvoked();
2854	>	} catch (CompletionException ok) {
2855	>	checkCompletedWithWrappedCancellationException(h4);
2856	>	rs[4].assertNotInvoked();
2857	>	}
2858	>	try {
2859	>	assertNull(h5.join());
2860	>	rs[5].assertInvoked();
2861	>	} catch (CompletionException ok) {
2862	>	checkCompletedWithWrappedCancellationException(h5);
2863	>	rs[5].assertNotInvoked();
2864	>	}
2865
2866	<	/**
2867	<	* thenApplyAsync result completes exceptionally after exceptional
2868	<	* completion of source
2869	<	*/
2870	<	public void testThenApplyAsync2() {
2871	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2872	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2873	<	f.completeExceptionally(new CFException());
1395	<	checkCompletedWithWrappedCFException(g);
1396	<	}
2866	>	checkCancelled(f);
2867	>	checkCompletedNormally(g, v1);
2868	>	checkCompletedWithWrappedCancellationException(h0);
2869	>	checkCompletedWithWrappedCancellationException(h1);
2870	>	checkCompletedWithWrappedCancellationException(h2);
2871	>	checkCompletedWithWrappedCancellationException(h3);
2872	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2873	>	}}
2874
2875		/**
2876	<	* thenApplyAsync result completes exceptionally if action does
2876	>	* runAfterEither result completes exceptionally if action does
2877		*/
2878	<	public void testThenApplyAsync3() {
2879	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2880	<	FailingFunction r = new FailingFunction();
2881	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2882	<	f.complete(null);
2883	<	checkCompletedWithWrappedCFException(g);
2884	<	}
2878	>	public void testRunAfterEither_actionFailed() {
2879	>	for (ExecutionMode m : ExecutionMode.values())
2880	>	for (Integer v1 : new Integer[] { 1, null })
2881	>	for (Integer v2 : new Integer[] { 2, null })
2882	>	{
2883	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2884	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2885	>	final FailingRunnable[] rs = new FailingRunnable[6];
2886	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2887	>
2888	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2889	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2890	>	assertTrue(f.complete(v1));
2891	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2892	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2893	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2894	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2895	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2896	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2897	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2898	>	assertTrue(g.complete(v2));
2899	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2900	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2901	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2902	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2903	>
2904	>	checkCompletedNormally(f, v1);
2905	>	checkCompletedNormally(g, v2);
2906	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2907	>	}}
2908
2909		/**
2910	<	* thenApplyAsync result completes exceptionally if source cancelled
2910	>	* thenCompose result completes normally after normal completion of source
2911		*/
2912	<	public void testThenApplyAsync4() {
2913	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2914	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2915	<	assertTrue(f.cancel(true));
2916	<	checkCompletedWithWrappedCancellationException(g);
2917	<	}
2912	>	public void testThenCompose_normalCompletion() {
2913	>	for (ExecutionMode m : ExecutionMode.values())
2914	>	for (boolean createIncomplete : new boolean[] { true, false })
2915	>	for (Integer v1 : new Integer[] { 1, null })
2916	>	{
2917	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2918	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2919	>	if (!createIncomplete) assertTrue(f.complete(v1));
2920	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2921	>	if (createIncomplete) assertTrue(f.complete(v1));
2922	>
2923	>	checkCompletedNormally(g, inc(v1));
2924	>	checkCompletedNormally(f, v1);
2925	>	r.assertValue(v1);
2926	>	}}
2927
2928		/**
2929	<	* thenAcceptAsync result completes normally after normal
2929	>	* thenCompose result completes exceptionally after exceptional
2930		* completion of source
2931		*/
2932	<	public void testThenAcceptAsync() {
2933	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2934	<	IncAction r = new IncAction();
2935	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2936	<	f.complete(one);
2937	<	checkCompletedNormally(g, null);
2938	<	assertEquals(r.value, 2);
2939	<	}
2932	>	public void testThenCompose_exceptionalCompletion() {
2933	>	for (ExecutionMode m : ExecutionMode.values())
2934	>	for (boolean createIncomplete : new boolean[] { true, false })
2935	>	{
2936	>	final CFException ex = new CFException();
2937	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2938	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2939	>	if (!createIncomplete) f.completeExceptionally(ex);
2940	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2941	>	if (createIncomplete) f.completeExceptionally(ex);
2942	>
2943	>	checkCompletedWithWrappedException(g, ex);
2944	>	checkCompletedExceptionally(f, ex);
2945	>	r.assertNotInvoked();
2946	>	}}
2947
2948		/**
2949	<	* thenAcceptAsync result completes exceptionally after exceptional
1434	<	* completion of source
2949	>	* thenCompose result completes exceptionally if action does
2950		*/
2951	<	public void testThenAcceptAsync2() {
2952	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2953	<	IncAction r = new IncAction();
2954	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2955	<	f.completeExceptionally(new CFException());
2956	<	checkCompletedWithWrappedCFException(g);
2957	<	}
2951	>	public void testThenCompose_actionFailed() {
2952	>	for (ExecutionMode m : ExecutionMode.values())
2953	>	for (boolean createIncomplete : new boolean[] { true, false })
2954	>	for (Integer v1 : new Integer[] { 1, null })
2955	>	{
2956	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2957	>	final FailingCompletableFutureFunction r
2958	>	= new FailingCompletableFutureFunction(m);
2959	>	if (!createIncomplete) assertTrue(f.complete(v1));
2960	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2961	>	if (createIncomplete) assertTrue(f.complete(v1));
2962	>
2963	>	checkCompletedWithWrappedException(g, r.ex);
2964	>	checkCompletedNormally(f, v1);
2965	>	}}
2966
2967		/**
2968	<	* thenAcceptAsync result completes exceptionally if action does
2968	>	* thenCompose result completes exceptionally if source cancelled
2969		*/
2970	<	public void testThenAcceptAsync3() {
2971	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2972	<	FailingConsumer r = new FailingConsumer();
2973	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2974	<	f.complete(null);
2975	<	checkCompletedWithWrappedCFException(g);
2976	<	}
2970	>	public void testThenCompose_sourceCancelled() {
2971	>	for (ExecutionMode m : ExecutionMode.values())
2972	>	for (boolean createIncomplete : new boolean[] { true, false })
2973	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2974	>	{
2975	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2976	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2977	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2978	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2979	>	if (createIncomplete) {
2980	>	checkIncomplete(g);
2981	>	assertTrue(f.cancel(mayInterruptIfRunning));
2982	>	}
2983
1455	–	/**
1456	–	* thenAcceptAsync result completes exceptionally if source cancelled
1457	–	*/
1458	–	public void testThenAcceptAsync4() {
1459	–	CompletableFuture<Integer> f = new CompletableFuture<>();
1460	–	IncAction r = new IncAction();
1461	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1462	–	assertTrue(f.cancel(true));
2984		checkCompletedWithWrappedCancellationException(g);
2985	<	}
2985	>	checkCancelled(f);
2986	>	}}
2987
2988		/**
2989	<	* thenCombineAsync result completes normally after normal
1468	<	* completion of sources
2989	>	* thenCompose result completes exceptionally if the result of the action does
2990		*/
2991	<	public void testThenCombineAsync() {
2992	<	CompletableFuture<Integer> f, g, h;
2991	>	public void testThenCompose_actionReturnsFailingFuture() {
2992	>	for (ExecutionMode m : ExecutionMode.values())
2993	>	for (int order = 0; order < 6; order++)
2994	>	for (Integer v1 : new Integer[] { 1, null })
2995	>	{
2996	>	final CFException ex = new CFException();
2997	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2998	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2999	>	final CompletableFuture<Integer> h;
3000	>	// Test all permutations of orders
3001	>	switch (order) {
3002	>	case 0:
3003	>	assertTrue(f.complete(v1));
3004	>	assertTrue(g.completeExceptionally(ex));
3005	>	h = m.thenCompose(f, (x -> g));
3006	>	break;
3007	>	case 1:
3008	>	assertTrue(f.complete(v1));
3009	>	h = m.thenCompose(f, (x -> g));
3010	>	assertTrue(g.completeExceptionally(ex));
3011	>	break;
3012	>	case 2:
3013	>	assertTrue(g.completeExceptionally(ex));
3014	>	assertTrue(f.complete(v1));
3015	>	h = m.thenCompose(f, (x -> g));
3016	>	break;
3017	>	case 3:
3018	>	assertTrue(g.completeExceptionally(ex));
3019	>	h = m.thenCompose(f, (x -> g));
3020	>	assertTrue(f.complete(v1));
3021	>	break;
3022	>	case 4:
3023	>	h = m.thenCompose(f, (x -> g));
3024	>	assertTrue(f.complete(v1));
3025	>	assertTrue(g.completeExceptionally(ex));
3026	>	break;
3027	>	case 5:
3028	>	h = m.thenCompose(f, (x -> g));
3029	>	assertTrue(f.complete(v1));
3030	>	assertTrue(g.completeExceptionally(ex));
3031	>	break;
3032	>	default: throw new AssertionError();
3033	>	}
3034
3035	<	f = new CompletableFuture<>();
3036	<	g = new CompletableFuture<>();
3037	<	h = f.thenCombineAsync(g, subtract);
3038	<	f.complete(3);
1477	<	checkIncomplete(h);
1478	<	g.complete(1);
1479	<	checkCompletedNormally(h, 2);
3035	>	checkCompletedExceptionally(g, ex);
3036	>	checkCompletedWithWrappedException(h, ex);
3037	>	checkCompletedNormally(f, v1);
3038	>	}}
3039
3040	<	f = new CompletableFuture<>();
1482	<	g = new CompletableFuture<>();
1483	<	h = f.thenCombineAsync(g, subtract);
1484	<	g.complete(1);
1485	<	checkIncomplete(h);
1486	<	f.complete(3);
1487	<	checkCompletedNormally(h, 2);
1488	<
1489	<	f = new CompletableFuture<>();
1490	<	g = new CompletableFuture<>();
1491	<	g.complete(1);
1492	<	f.complete(3);
1493	<	h = f.thenCombineAsync(g, subtract);
1494	<	checkCompletedNormally(h, 2);
1495	<	}
3040	>	// other static methods
3041
3042		/**
3043	<	* thenCombineAsync result completes exceptionally after exceptional
3044	<	* completion of either source
3043	>	* allOf(no component futures) returns a future completed normally
3044	>	* with the value null
3045		*/
3046	<	public void testThenCombineAsync2() {
3047	<	CompletableFuture<Integer> f, g, h;
3048	<
1504	<	f = new CompletableFuture<>();
1505	<	g = new CompletableFuture<>();
1506	<	h = f.thenCombineAsync(g, subtract);
1507	<	f.completeExceptionally(new CFException());
1508	<	checkIncomplete(h);
1509	<	g.complete(1);
1510	<	checkCompletedWithWrappedCFException(h);
1511	<
1512	<	f = new CompletableFuture<>();
1513	<	g = new CompletableFuture<>();
1514	<	h = f.thenCombineAsync(g, subtract);
1515	<	g.completeExceptionally(new CFException());
1516	<	checkIncomplete(h);
1517	<	f.complete(3);
1518	<	checkCompletedWithWrappedCFException(h);
1519	<
1520	<	f = new CompletableFuture<>();
1521	<	g = new CompletableFuture<>();
1522	<	g.completeExceptionally(new CFException());
1523	<	f.complete(3);
1524	<	h = f.thenCombineAsync(g, subtract);
1525	<	checkCompletedWithWrappedCFException(h);
3046	>	public void testAllOf_empty() throws Exception {
3047	>	CompletableFuture<Void> f = CompletableFuture.allOf();
3048	>	checkCompletedNormally(f, null);
3049		}
3050
3051		/**
3052	<	* thenCombineAsync result completes exceptionally if action does
3052	>	* allOf returns a future completed normally with the value null
3053	>	* when all components complete normally
3054		*/
3055	<	public void testThenCombineAsync3() {
3056	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3057	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3058	<	FailingBiFunction r = new FailingBiFunction();
3059	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
3060	<	f.complete(one);
3061	<	checkIncomplete(g);
3062	<	assertFalse(r.ran);
3063	<	f2.complete(two);
3064	<	checkCompletedWithWrappedCFException(g);
3065	<	assertTrue(r.ran);
3055	>	public void testAllOf_normal() throws Exception {
3056	>	for (int k = 1; k < 10; k++) {
3057	>	CompletableFuture<Integer>[] fs
3058	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3059	>	for (int i = 0; i < k; i++)
3060	>	fs[i] = new CompletableFuture<>();
3061	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3062	>	for (int i = 0; i < k; i++) {
3063	>	checkIncomplete(f);
3064	>	checkIncomplete(CompletableFuture.allOf(fs));
3065	>	fs[i].complete(one);
3066	>	}
3067	>	checkCompletedNormally(f, null);
3068	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3069	>	}
3070		}
3071
3072	<	/**
3073	<	* thenCombineAsync result completes exceptionally if either source cancelled
3074	<	*/
3075	<	public void testThenCombineAsync4() {
3076	<	CompletableFuture<Integer> f, g, h;
3077	<
3078	<	f = new CompletableFuture<>();
3079	<	g = new CompletableFuture<>();
3080	<	h = f.thenCombineAsync(g, subtract);
3081	<	assertTrue(f.cancel(true));
3082	<	checkIncomplete(h);
3083	<	g.complete(1);
3084	<	checkCompletedWithWrappedCancellationException(h);
3085	<
3086	<	f = new CompletableFuture<>();
1559	<	g = new CompletableFuture<>();
1560	<	h = f.thenCombineAsync(g, subtract);
1561	<	assertTrue(g.cancel(true));
1562	<	checkIncomplete(h);
1563	<	f.complete(3);
1564	<	checkCompletedWithWrappedCancellationException(h);
1565	<
1566	<	f = new CompletableFuture<>();
1567	<	g = new CompletableFuture<>();
1568	<	g.complete(3);
1569	<	assertTrue(f.cancel(true));
1570	<	h = f.thenCombineAsync(g, subtract);
1571	<	checkCompletedWithWrappedCancellationException(h);
1572	<
1573	<	f = new CompletableFuture<>();
1574	<	g = new CompletableFuture<>();
1575	<	f.complete(3);
1576	<	assertTrue(g.cancel(true));
1577	<	h = f.thenCombineAsync(g, subtract);
1578	<	checkCompletedWithWrappedCancellationException(h);
3072	>	public void testAllOf_normal_backwards() throws Exception {
3073	>	for (int k = 1; k < 10; k++) {
3074	>	CompletableFuture<Integer>[] fs
3075	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3076	>	for (int i = 0; i < k; i++)
3077	>	fs[i] = new CompletableFuture<>();
3078	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3079	>	for (int i = k - 1; i >= 0; i--) {
3080	>	checkIncomplete(f);
3081	>	checkIncomplete(CompletableFuture.allOf(fs));
3082	>	fs[i].complete(one);
3083	>	}
3084	>	checkCompletedNormally(f, null);
3085	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3086	>	}
3087		}
3088
3089	<	/**
3090	<	* thenAcceptBothAsync result completes normally after normal
3091	<	* completion of sources
3092	<	*/
3093	<	public void testThenAcceptBothAsync() {
3094	<	CompletableFuture<Integer> f, g;
3095	<	CompletableFuture<Void> h;
3096	<	SubtractAction r;
3097	<
3098	<	f = new CompletableFuture<>();
3099	<	g = new CompletableFuture<>();
3100	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3101	<	f.complete(3);
3102	<	checkIncomplete(h);
3103	<	g.complete(1);
3104	<	checkCompletedNormally(h, null);
3105	<	assertEquals(r.value, 2);
3106	<
3107	<	f = new CompletableFuture<>();
3108	<	g = new CompletableFuture<>();
3109	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3110	<	g.complete(1);
1603	<	checkIncomplete(h);
1604	<	f.complete(3);
1605	<	checkCompletedNormally(h, null);
1606	<	assertEquals(r.value, 2);
1607	<
1608	<	f = new CompletableFuture<>();
1609	<	g = new CompletableFuture<>();
1610	<	g.complete(1);
1611	<	f.complete(3);
1612	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1613	<	checkCompletedNormally(h, null);
1614	<	assertEquals(r.value, 2);
3089	>	public void testAllOf_exceptional() throws Exception {
3090	>	for (int k = 1; k < 10; k++) {
3091	>	CompletableFuture<Integer>[] fs
3092	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3093	>	CFException ex = new CFException();
3094	>	for (int i = 0; i < k; i++)
3095	>	fs[i] = new CompletableFuture<>();
3096	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3097	>	for (int i = 0; i < k; i++) {
3098	>	checkIncomplete(f);
3099	>	checkIncomplete(CompletableFuture.allOf(fs));
3100	>	if (i != k / 2) {
3101	>	fs[i].complete(i);
3102	>	checkCompletedNormally(fs[i], i);
3103	>	} else {
3104	>	fs[i].completeExceptionally(ex);
3105	>	checkCompletedExceptionally(fs[i], ex);
3106	>	}
3107	>	}
3108	>	checkCompletedWithWrappedException(f, ex);
3109	>	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3110	>	}
3111		}
3112
3113		/**
3114	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1619	<	* completion of source
3114	>	* anyOf(no component futures) returns an incomplete future
3115		*/
3116	<	public void testThenAcceptBothAsync2() {
3117	<	CompletableFuture<Integer> f, g;
3118	<	CompletableFuture<Void> h;
3119	<	SubtractAction r;
3120	<
1626	<	f = new CompletableFuture<>();
1627	<	g = new CompletableFuture<>();
1628	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1629	<	f.completeExceptionally(new CFException());
1630	<	checkIncomplete(h);
1631	<	g.complete(1);
1632	<	checkCompletedWithWrappedCFException(h);
1633	<
1634	<	f = new CompletableFuture<>();
1635	<	g = new CompletableFuture<>();
1636	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1637	<	g.completeExceptionally(new CFException());
1638	<	checkIncomplete(h);
1639	<	f.complete(3);
1640	<	checkCompletedWithWrappedCFException(h);
1641	<
1642	<	f = new CompletableFuture<>();
1643	<	g = new CompletableFuture<>();
1644	<	f.complete(3);
1645	<	g.completeExceptionally(new CFException());
1646	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1647	<	checkCompletedWithWrappedCFException(h);
3116	>	public void testAnyOf_empty() throws Exception {
3117	>	for (Integer v1 : new Integer[] { 1, null })
3118	>	{
3119	>	CompletableFuture<Object> f = CompletableFuture.anyOf();
3120	>	checkIncomplete(f);
3121
3122	<	f = new CompletableFuture<>();
3123	<	g = new CompletableFuture<>();
3124	<	f.completeExceptionally(new CFException());
1652	<	g.complete(3);
1653	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1654	<	checkCompletedWithWrappedCFException(h);
1655	<	}
3122	>	f.complete(v1);
3123	>	checkCompletedNormally(f, v1);
3124	>	}}
3125
3126		/**
3127	<	* thenAcceptBothAsync result completes exceptionally if action does
3127	>	* anyOf returns a future completed normally with a value when
3128	>	* a component future does
3129		*/
3130	<	public void testThenAcceptBothAsync3() {
3131	<	CompletableFuture<Integer> f, g;
3132	<	CompletableFuture<Void> h;
3133	<	FailingBiConsumer r;
3134	<
3135	<	f = new CompletableFuture<>();
3136	<	g = new CompletableFuture<>();
3137	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
3138	<	f.complete(3);
3139	<	checkIncomplete(h);
3140	<	g.complete(1);
3141	<	checkCompletedWithWrappedCFException(h);
3142	<
3143	<	f = new CompletableFuture<>();
1674	<	g = new CompletableFuture<>();
1675	<	f.complete(3);
1676	<	g.complete(1);
1677	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1678	<	checkCompletedWithWrappedCFException(h);
3130	>	public void testAnyOf_normal() throws Exception {
3131	>	for (int k = 0; k < 10; k++) {
3132	>	CompletableFuture[] fs = new CompletableFuture[k];
3133	>	for (int i = 0; i < k; i++)
3134	>	fs[i] = new CompletableFuture<>();
3135	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3136	>	checkIncomplete(f);
3137	>	for (int i = 0; i < k; i++) {
3138	>	fs[i].complete(i);
3139	>	checkCompletedNormally(f, 0);
3140	>	int x = (int) CompletableFuture.anyOf(fs).join();
3141	>	assertTrue(0 <= x && x <= i);
3142	>	}
3143	>	}
3144		}
3145	<
3146	<	/**
3147	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
3148	<	*/
3149	<	public void testThenAcceptBothAsync4() {
3150	<	CompletableFuture<Integer> f, g;
3151	<	CompletableFuture<Void> h;
3152	<	SubtractAction r;
3153	<
3154	<	f = new CompletableFuture<>();
3155	<	g = new CompletableFuture<>();
3156	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3157	<	assertTrue(f.cancel(true));
3158	<	checkIncomplete(h);
1694	<	g.complete(1);
1695	<	checkCompletedWithWrappedCancellationException(h);
1696	<
1697	<	f = new CompletableFuture<>();
1698	<	g = new CompletableFuture<>();
1699	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1700	<	assertTrue(g.cancel(true));
1701	<	checkIncomplete(h);
1702	<	f.complete(3);
1703	<	checkCompletedWithWrappedCancellationException(h);
1704	<
1705	<	f = new CompletableFuture<>();
1706	<	g = new CompletableFuture<>();
1707	<	f.complete(3);
1708	<	assertTrue(g.cancel(true));
1709	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1710	<	checkCompletedWithWrappedCancellationException(h);
1711	<
1712	<	f = new CompletableFuture<>();
1713	<	g = new CompletableFuture<>();
1714	<	assertTrue(f.cancel(true));
1715	<	g.complete(3);
1716	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1717	<	checkCompletedWithWrappedCancellationException(h);
3145	>	public void testAnyOf_normal_backwards() throws Exception {
3146	>	for (int k = 0; k < 10; k++) {
3147	>	CompletableFuture[] fs = new CompletableFuture[k];
3148	>	for (int i = 0; i < k; i++)
3149	>	fs[i] = new CompletableFuture<>();
3150	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3151	>	checkIncomplete(f);
3152	>	for (int i = k - 1; i >= 0; i--) {
3153	>	fs[i].complete(i);
3154	>	checkCompletedNormally(f, k - 1);
3155	>	int x = (int) CompletableFuture.anyOf(fs).join();
3156	>	assertTrue(i <= x && x <= k - 1);
3157	>	}
3158	>	}
3159		}
3160
3161		/**
3162	<	* runAfterBothAsync result completes normally after normal
1722	<	* completion of sources
3162	>	* anyOf result completes exceptionally when any component does.
3163		*/
3164	<	public void testRunAfterBothAsync() {
3165	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3166	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3167	<	Noop r = new Noop();
3168	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3169	<	f.complete(one);
3170	<	checkIncomplete(g);
3171	<	f2.complete(two);
3172	<	checkCompletedNormally(g, null);
3173	<	assertTrue(r.ran);
3164	>	public void testAnyOf_exceptional() throws Exception {
3165	>	for (int k = 0; k < 10; k++) {
3166	>	CompletableFuture[] fs = new CompletableFuture[k];
3167	>	CFException[] exs = new CFException[k];
3168	>	for (int i = 0; i < k; i++) {
3169	>	fs[i] = new CompletableFuture<>();
3170	>	exs[i] = new CFException();
3171	>	}
3172	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3173	>	checkIncomplete(f);
3174	>	for (int i = 0; i < k; i++) {
3175	>	fs[i].completeExceptionally(exs[i]);
3176	>	checkCompletedWithWrappedException(f, exs[0]);
3177	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3178	>	}
3179	>	}
3180		}
3181
3182	<	/**
3183	<	* runAfterBothAsync result completes exceptionally after exceptional
3184	<	* completion of source
3185	<	*/
3186	<	public void testRunAfterBothAsync2() {
3187	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3188	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3189	<	Noop r = new Noop();
3190	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3191	<	f.completeExceptionally(new CFException());
3192	<	f2.complete(two);
3193	<	checkCompletedWithWrappedCFException(g);
3194	<
3195	<	r = new Noop();
3196	<	f = new CompletableFuture<>();
3197	<	f2 = new CompletableFuture<>();
1752	<	g = f.runAfterBothAsync(f2, r);
1753	<	f.complete(one);
1754	<	f2.completeExceptionally(new CFException());
1755	<	checkCompletedWithWrappedCFException(g);
3182	>	public void testAnyOf_exceptional_backwards() throws Exception {
3183	>	for (int k = 0; k < 10; k++) {
3184	>	CompletableFuture[] fs = new CompletableFuture[k];
3185	>	CFException[] exs = new CFException[k];
3186	>	for (int i = 0; i < k; i++) {
3187	>	fs[i] = new CompletableFuture<>();
3188	>	exs[i] = new CFException();
3189	>	}
3190	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3191	>	checkIncomplete(f);
3192	>	for (int i = k - 1; i >= 0; i--) {
3193	>	fs[i].completeExceptionally(exs[i]);
3194	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3195	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3196	>	}
3197	>	}
3198		}
3199
3200		/**
3201	<	* runAfterBothAsync result completes exceptionally if action does
3201	>	* Completion methods throw NullPointerException with null arguments
3202		*/
3203	<	public void testRunAfterBothAsync3() {
3203	>	public void testNPE() {
3204		CompletableFuture<Integer> f = new CompletableFuture<>();
3205	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3206	<	FailingNoop r = new FailingNoop();
3207	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1766	<	f.complete(one);
1767	<	checkIncomplete(g);
1768	<	f2.complete(two);
1769	<	checkCompletedWithWrappedCFException(g);
1770	<	}
3205	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3206	>	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3207	>	ThreadExecutor exec = new ThreadExecutor();
3208
3209	<	/**
3210	<	* runAfterBothAsync result completes exceptionally if either source cancelled
3211	<	*/
3212	<	public void testRunAfterBothAsync4() {
3213	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3214	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3215	<	Noop r = new Noop();
3216	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3217	<	assertTrue(f.cancel(true));
3218	<	f2.complete(two);
3219	<	checkCompletedWithWrappedCancellationException(g);
3209	>	Runnable[] throwingActions = {
3210	>	() -> CompletableFuture.supplyAsync(null),
3211	>	() -> CompletableFuture.supplyAsync(null, exec),
3212	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3213	>
3214	>	() -> CompletableFuture.runAsync(null),
3215	>	() -> CompletableFuture.runAsync(null, exec),
3216	>	() -> CompletableFuture.runAsync(() -> {}, null),
3217	>
3218	>	() -> f.completeExceptionally(null),
3219	>
3220	>	() -> f.thenApply(null),
3221	>	() -> f.thenApplyAsync(null),
3222	>	() -> f.thenApplyAsync((x) -> x, null),
3223	>	() -> f.thenApplyAsync(null, exec),
3224	>
3225	>	() -> f.thenAccept(null),
3226	>	() -> f.thenAcceptAsync(null),
3227	>	() -> f.thenAcceptAsync((x) -> {} , null),
3228	>	() -> f.thenAcceptAsync(null, exec),
3229	>
3230	>	() -> f.thenRun(null),
3231	>	() -> f.thenRunAsync(null),
3232	>	() -> f.thenRunAsync(() -> {} , null),
3233	>	() -> f.thenRunAsync(null, exec),
3234	>
3235	>	() -> f.thenCombine(g, null),
3236	>	() -> f.thenCombineAsync(g, null),
3237	>	() -> f.thenCombineAsync(g, null, exec),
3238	>	() -> f.thenCombine(nullFuture, (x, y) -> x),
3239	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3240	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3241	>	() -> f.thenCombineAsync(g, (x, y) -> x, null),
3242	>
3243	>	() -> f.thenAcceptBoth(g, null),
3244	>	() -> f.thenAcceptBothAsync(g, null),
3245	>	() -> f.thenAcceptBothAsync(g, null, exec),
3246	>	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3247	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3248	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3249	>	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3250	>
3251	>	() -> f.runAfterBoth(g, null),
3252	>	() -> f.runAfterBothAsync(g, null),
3253	>	() -> f.runAfterBothAsync(g, null, exec),
3254	>	() -> f.runAfterBoth(nullFuture, () -> {}),
3255	>	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3256	>	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3257	>	() -> f.runAfterBothAsync(g, () -> {}, null),
3258	>
3259	>	() -> f.applyToEither(g, null),
3260	>	() -> f.applyToEitherAsync(g, null),
3261	>	() -> f.applyToEitherAsync(g, null, exec),
3262	>	() -> f.applyToEither(nullFuture, (x) -> x),
3263	>	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3264	>	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3265	>	() -> f.applyToEitherAsync(g, (x) -> x, null),
3266	>
3267	>	() -> f.acceptEither(g, null),
3268	>	() -> f.acceptEitherAsync(g, null),
3269	>	() -> f.acceptEitherAsync(g, null, exec),
3270	>	() -> f.acceptEither(nullFuture, (x) -> {}),
3271	>	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3272	>	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3273	>	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3274	>
3275	>	() -> f.runAfterEither(g, null),
3276	>	() -> f.runAfterEitherAsync(g, null),
3277	>	() -> f.runAfterEitherAsync(g, null, exec),
3278	>	() -> f.runAfterEither(nullFuture, () -> {}),
3279	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3280	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3281	>	() -> f.runAfterEitherAsync(g, () -> {}, null),
3282	>
3283	>	() -> f.thenCompose(null),
3284	>	() -> f.thenComposeAsync(null),
3285	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3286	>	() -> f.thenComposeAsync(null, exec),
3287	>
3288	>	() -> f.exceptionally(null),
3289	>
3290	>	() -> f.handle(null),
3291	>
3292	>	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3293	>	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3294	>	() -> CompletableFuture.allOf(f, null),
3295	>	() -> CompletableFuture.allOf(null, f),
3296	>
3297	>	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3298	>	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3299	>	() -> CompletableFuture.anyOf(f, null),
3300	>	() -> CompletableFuture.anyOf(null, f),
3301	>
3302	>	() -> f.obtrudeException(null),
3303	>
3304	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3305	>	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3306	>	() -> CompletableFuture.delayedExecutor(1L, null),
3307
3308	<	r = new Noop();
3309	<	f = new CompletableFuture<>();
1786	<	f2 = new CompletableFuture<>();
1787	<	g = f.runAfterBothAsync(f2, r);
1788	<	f.complete(one);
1789	<	assertTrue(f2.cancel(true));
1790	<	checkCompletedWithWrappedCancellationException(g);
1791	<	}
3308	>	() -> f.orTimeout(1L, null),
3309	>	() -> f.completeOnTimeout(42, 1L, null),
3310
3311	<	/**
3312	<	* applyToEitherAsync result completes normally after normal
3313	<	* completion of sources
1796	<	*/
1797	<	public void testApplyToEitherAsync() {
1798	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1799	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1800	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1801	<	f.complete(one);
1802	<	checkCompletedNormally(g, two);
3311	>	() -> CompletableFuture.failedFuture(null),
3312	>	() -> CompletableFuture.failedStage(null),
3313	>	};
3314
3315	<	f = new CompletableFuture<>();
3316	<	f.complete(one);
1806	<	f2 = new CompletableFuture<>();
1807	<	g = f.applyToEitherAsync(f2, inc);
1808	<	checkCompletedNormally(g, two);
3315	>	assertThrows(NullPointerException.class, throwingActions);
3316	>	assertEquals(0, exec.count.get());
3317		}
3318
3319		/**
3320	<	* applyToEitherAsync result completes exceptionally after exceptional
1813	<	* completion of source
3320	>	* toCompletableFuture returns this CompletableFuture.
3321		*/
3322	<	public void testApplyToEitherAsync2() {
3322	>	public void testToCompletableFuture() {
3323		CompletableFuture<Integer> f = new CompletableFuture<>();
3324	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1818	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1819	<	f.completeExceptionally(new CFException());
1820	<	checkCompletedWithWrappedCFException(g);
1821	<
1822	<	f = new CompletableFuture<>();
1823	<	f2 = new CompletableFuture<>();
1824	<	f2.completeExceptionally(new CFException());
1825	<	g = f.applyToEitherAsync(f2, inc);
1826	<	f.complete(one);
1827	<	checkCompletedWithWrappedCFException(g);
3324	>	assertSame(f, f.toCompletableFuture());
3325		}
3326
3327	<	/**
1831	<	* applyToEitherAsync result completes exceptionally if action does
1832	<	*/
1833	<	public void testApplyToEitherAsync3() {
1834	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1835	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1836	<	FailingFunction r = new FailingFunction();
1837	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1838	<	f.complete(one);
1839	<	checkCompletedWithWrappedCFException(g);
1840	<	}
3327	>	// jdk9
3328
3329		/**
3330	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3330	>	* newIncompleteFuture returns an incomplete CompletableFuture
3331		*/
3332	<	public void testApplyToEitherAsync4() {
3332	>	public void testNewIncompleteFuture() {
3333	>	for (Integer v1 : new Integer[] { 1, null })
3334	>	{
3335		CompletableFuture<Integer> f = new CompletableFuture<>();
3336	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3337	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
3338	<	assertTrue(f.cancel(true));
3339	<	checkCompletedWithWrappedCancellationException(g);
3340	<
3341	<	f = new CompletableFuture<>();
3342	<	f2 = new CompletableFuture<>();
3343	<	assertTrue(f2.cancel(true));
3344	<	g = f.applyToEitherAsync(f2, inc);
3345	<	checkCompletedWithWrappedCancellationException(g);
1857	<	}
3336	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3337	>	checkIncomplete(f);
3338	>	checkIncomplete(g);
3339	>	f.complete(v1);
3340	>	checkCompletedNormally(f, v1);
3341	>	checkIncomplete(g);
3342	>	g.complete(v1);
3343	>	checkCompletedNormally(g, v1);
3344	>	assertSame(g.getClass(), CompletableFuture.class);
3345	>	}}
3346
3347		/**
3348	<	* acceptEitherAsync result completes normally after normal
1861	<	* completion of sources
3348	>	* completedStage returns a completed CompletionStage
3349		*/
3350	<	public void testAcceptEitherAsync() {
3351	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3352	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3353	<	IncAction r = new IncAction();
3354	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
3355	<	f.complete(one);
3356	<	checkCompletedNormally(g, null);
1870	<	assertEquals(r.value, 2);
1871	<
1872	<	r = new IncAction();
1873	<	f = new CompletableFuture<>();
1874	<	f.complete(one);
1875	<	f2 = new CompletableFuture<>();
1876	<	g = f.acceptEitherAsync(f2, r);
1877	<	checkCompletedNormally(g, null);
1878	<	assertEquals(r.value, 2);
3350	>	public void testCompletedStage() {
3351	>	AtomicInteger x = new AtomicInteger(0);
3352	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3353	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3354	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3355	>	assertEquals(x.get(), 1);
3356	>	assertNull(r.get());
3357		}
3358
3359		/**
3360	<	* acceptEitherAsync result completes exceptionally after exceptional
3361	<	* completion of source
3360	>	* defaultExecutor by default returns the commonPool if
3361	>	* it supports more than one thread.
3362		*/
3363	<	public void testAcceptEitherAsync2() {
3363	>	public void testDefaultExecutor() {
3364		CompletableFuture<Integer> f = new CompletableFuture<>();
3365	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3366	<	IncAction r = new IncAction();
3367	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
3368	<	f.completeExceptionally(new CFException());
3369	<	checkCompletedWithWrappedCFException(g);
3370	<
1893	<	r = new IncAction();
1894	<	f = new CompletableFuture<>();
1895	<	f2 = new CompletableFuture<>();
1896	<	f2.completeExceptionally(new CFException());
1897	<	g = f.acceptEitherAsync(f2, r);
1898	<	f.complete(one);
1899	<	checkCompletedWithWrappedCFException(g);
3365	>	Executor e = f.defaultExecutor();
3366	>	Executor c = ForkJoinPool.commonPool();
3367	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3368	>	assertSame(e, c);
3369	>	else
3370	>	assertNotSame(e, c);
3371		}
3372
3373		/**
3374	<	* acceptEitherAsync result completes exceptionally if action does
3374	>	* failedFuture returns a CompletableFuture completed
3375	>	* exceptionally with the given Exception
3376		*/
3377	<	public void testAcceptEitherAsync3() {
3378	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3379	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3380	<	FailingConsumer r = new FailingConsumer();
1909	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1910	<	f.complete(one);
1911	<	checkCompletedWithWrappedCFException(g);
3377	>	public void testFailedFuture() {
3378	>	CFException ex = new CFException();
3379	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3380	>	checkCompletedExceptionally(f, ex);
3381		}
3382
3383		/**
3384	<	* acceptEitherAsync result completes exceptionally if either
1916	<	* source cancelled
3384	>	* failedFuture(null) throws NPE
3385		*/
3386	<	public void testAcceptEitherAsync4() {
3387	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3388	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3389	<	IncAction r = new IncAction();
3390	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1923	<	assertTrue(f.cancel(true));
1924	<	checkCompletedWithWrappedCancellationException(g);
1925	<
1926	<	r = new IncAction();
1927	<	f = new CompletableFuture<>();
1928	<	f2 = new CompletableFuture<>();
1929	<	assertTrue(f2.cancel(true));
1930	<	g = f.acceptEitherAsync(f2, r);
1931	<	checkCompletedWithWrappedCancellationException(g);
3386	>	public void testFailedFuture_null() {
3387	>	try {
3388	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3389	>	shouldThrow();
3390	>	} catch (NullPointerException success) {}
3391		}
3392
3393		/**
3394	<	* runAfterEitherAsync result completes normally after normal
3395	<	* completion of sources
3394	>	* copy returns a CompletableFuture that is completed normally,
3395	>	* with the same value, when source is.
3396		*/
3397	<	public void testRunAfterEitherAsync() {
3397	>	public void testCopy() {
3398		CompletableFuture<Integer> f = new CompletableFuture<>();
3399	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3400	<	Noop r = new Noop();
3401	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3402	<	f.complete(one);
3403	<	checkCompletedNormally(g, null);
3404	<	assertTrue(r.ran);
1946	<
1947	<	r = new Noop();
1948	<	f = new CompletableFuture<>();
1949	<	f.complete(one);
1950	<	f2 = new CompletableFuture<>();
1951	<	g = f.runAfterEitherAsync(f2, r);
1952	<	checkCompletedNormally(g, null);
1953	<	assertTrue(r.ran);
3399	>	CompletableFuture<Integer> g = f.copy();
3400	>	checkIncomplete(f);
3401	>	checkIncomplete(g);
3402	>	f.complete(1);
3403	>	checkCompletedNormally(f, 1);
3404	>	checkCompletedNormally(g, 1);
3405		}
3406
3407		/**
3408	<	* runAfterEitherAsync result completes exceptionally after exceptional
3409	<	* completion of source
3408	>	* copy returns a CompletableFuture that is completed exceptionally
3409	>	* when source is.
3410		*/
3411	<	public void testRunAfterEitherAsync2() {
3411	>	public void testCopy2() {
3412		CompletableFuture<Integer> f = new CompletableFuture<>();
3413	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3414	<	Noop r = new Noop();
3415	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3416	<	f.completeExceptionally(new CFException());
3417	<	checkCompletedWithWrappedCFException(g);
3418	<
3419	<	r = new Noop();
1969	<	f = new CompletableFuture<>();
1970	<	f2 = new CompletableFuture<>();
1971	<	f2.completeExceptionally(new CFException());
1972	<	g = f.runAfterEitherAsync(f2, r);
1973	<	f.complete(one);
1974	<	checkCompletedWithWrappedCFException(g);
3413	>	CompletableFuture<Integer> g = f.copy();
3414	>	checkIncomplete(f);
3415	>	checkIncomplete(g);
3416	>	CFException ex = new CFException();
3417	>	f.completeExceptionally(ex);
3418	>	checkCompletedExceptionally(f, ex);
3419	>	checkCompletedWithWrappedException(g, ex);
3420		}
3421
3422		/**
3423	<	* runAfterEitherAsync result completes exceptionally if action does
3423	>	* minimalCompletionStage returns a CompletableFuture that is
3424	>	* completed normally, with the same value, when source is.
3425		*/
3426	<	public void testRunAfterEitherAsync3() {
3426	>	public void testMinimalCompletionStage() {
3427		CompletableFuture<Integer> f = new CompletableFuture<>();
3428	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3429	<	FailingNoop r = new FailingNoop();
3430	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3431	<	f.complete(one);
3432	<	checkCompletedWithWrappedCFException(g);
3428	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3429	>	AtomicInteger x = new AtomicInteger(0);
3430	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3431	>	checkIncomplete(f);
3432	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3433	>	f.complete(1);
3434	>	checkCompletedNormally(f, 1);
3435	>	assertEquals(x.get(), 1);
3436	>	assertNull(r.get());
3437		}
3438
3439		/**
3440	<	* runAfterEitherAsync result completes exceptionally if either
3441	<	* source cancelled
3440	>	* minimalCompletionStage returns a CompletableFuture that is
3441	>	* completed exceptionally when source is.
3442		*/
3443	<	public void testRunAfterEitherAsync4() {
3443	>	public void testMinimalCompletionStage2() {
3444		CompletableFuture<Integer> f = new CompletableFuture<>();
3445	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3446	<	Noop r = new Noop();
3447	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3448	<	assertTrue(f.cancel(true));
3449	<	checkCompletedWithWrappedCancellationException(g);
3450	<
3451	<	r = new Noop();
3452	<	f = new CompletableFuture<>();
3453	<	f2 = new CompletableFuture<>();
3454	<	assertTrue(f2.cancel(true));
2005	<	g = f.runAfterEitherAsync(f2, r);
2006	<	checkCompletedWithWrappedCancellationException(g);
2007	<	}
2008	<
2009	<	/**
2010	<	* thenComposeAsync result completes normally after normal
2011	<	* completion of source
2012	<	*/
2013	<	public void testThenComposeAsync() {
2014	<	CompletableFuture<Integer> f, g;
2015	<	CompletableFutureInc r;
2016	<
2017	<	f = new CompletableFuture<>();
2018	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2019	<	f.complete(one);
2020	<	checkCompletedNormally(g, two);
2021	<
2022	<	f = new CompletableFuture<>();
2023	<	f.complete(one);
2024	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2025	<	checkCompletedNormally(g, two);
2026	<	}
2027	<
2028	<	/**
2029	<	* thenComposeAsync result completes exceptionally after
2030	<	* exceptional completion of source
2031	<	*/
2032	<	public void testThenComposeAsync2() {
2033	<	CompletableFuture<Integer> f, g;
2034	<	CompletableFutureInc r;
2035	<
2036	<	f = new CompletableFuture<>();
2037	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2038	<	f.completeExceptionally(new CFException());
2039	<	checkCompletedWithWrappedCFException(g);
2040	<	assertFalse(r.ran);
2041	<
2042	<	f = new CompletableFuture<>();
2043	<	f.completeExceptionally(new CFException());
2044	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2045	<	checkCompletedWithWrappedCFException(g);
2046	<	assertFalse(r.ran);
2047	<	}
2048	<
2049	<	/**
2050	<	* thenComposeAsync result completes exceptionally if action does
2051	<	*/
2052	<	public void testThenComposeAsync3() {
2053	<	CompletableFuture<Integer> f, g;
2054	<	FailingCompletableFutureFunction r;
2055	<
2056	<	f = new CompletableFuture<>();
2057	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2058	<	f.complete(one);
2059	<	checkCompletedWithWrappedCFException(g);
2060	<
2061	<	f = new CompletableFuture<>();
2062	<	f.complete(one);
2063	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2064	<	checkCompletedWithWrappedCFException(g);
3445	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3446	>	AtomicInteger x = new AtomicInteger(0);
3447	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3448	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3449	>	checkIncomplete(f);
3450	>	CFException ex = new CFException();
3451	>	f.completeExceptionally(ex);
3452	>	checkCompletedExceptionally(f, ex);
3453	>	assertEquals(x.get(), 0);
3454	>	assertEquals(r.get().getCause(), ex);
3455		}
3456
3457		/**
3458	<	* thenComposeAsync result completes exceptionally if source cancelled
3458	>	* failedStage returns a CompletionStage completed
3459	>	* exceptionally with the given Exception
3460		*/
3461	<	public void testThenComposeAsync4() {
3462	<	CompletableFuture<Integer> f, g;
3463	<	CompletableFutureInc r;
3464	<
3465	<	f = new CompletableFuture<>();
3466	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3467	<	assertTrue(f.cancel(true));
3468	<	checkCompletedWithWrappedCancellationException(g);
2078	<
2079	<	f = new CompletableFuture<>();
2080	<	assertTrue(f.cancel(true));
2081	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2082	<	checkCompletedWithWrappedCancellationException(g);
3461	>	public void testFailedStage() {
3462	>	CFException ex = new CFException();
3463	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3464	>	AtomicInteger x = new AtomicInteger(0);
3465	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3466	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3467	>	assertEquals(x.get(), 0);
3468	>	assertEquals(r.get(), ex);
3469		}
3470
2085	–	// async with explicit executors
2086	–
3471		/**
3472	<	* thenRunAsync result completes normally after normal completion of source
3472	>	* completeAsync completes with value of given supplier
3473		*/
3474	<	public void testThenRunAsyncE() {
3474	>	public void testCompleteAsync() {
3475	>	for (Integer v1 : new Integer[] { 1, null })
3476	>	{
3477		CompletableFuture<Integer> f = new CompletableFuture<>();
3478	<	Noop r = new Noop();
3479	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3480	<	f.complete(null);
3481	<	checkCompletedNormally(g, null);
2096	<
2097	<	// reordered version
2098	<	f = new CompletableFuture<>();
2099	<	f.complete(null);
2100	<	r = new Noop();
2101	<	g = f.thenRunAsync(r, new ThreadExecutor());
2102	<	checkCompletedNormally(g, null);
2103	<	}
3478	>	f.completeAsync(() -> v1);
3479	>	f.join();
3480	>	checkCompletedNormally(f, v1);
3481	>	}}
3482
3483		/**
3484	<	* thenRunAsync result completes exceptionally after exceptional
2107	<	* completion of source
3484	>	* completeAsync completes exceptionally if given supplier throws
3485		*/
3486	<	public void testThenRunAsync2E() {
3486	>	public void testCompleteAsync2() {
3487		CompletableFuture<Integer> f = new CompletableFuture<>();
3488	<	Noop r = new Noop();
3489	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2113	<	f.completeExceptionally(new CFException());
3488	>	CFException ex = new CFException();
3489	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3490		try {
3491	<	g.join();
3491	>	f.join();
3492		shouldThrow();
3493		} catch (CompletionException success) {}
3494	<	checkCompletedWithWrappedCFException(g);
2119	<	}
2120	<
2121	<	/**
2122	<	* thenRunAsync result completes exceptionally if action does
2123	<	*/
2124	<	public void testThenRunAsync3E() {
2125	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2126	<	FailingNoop r = new FailingNoop();
2127	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2128	<	f.complete(null);
2129	<	checkCompletedWithWrappedCFException(g);
2130	<	}
2131	<
2132	<	/**
2133	<	* thenRunAsync result completes exceptionally if source cancelled
2134	<	*/
2135	<	public void testThenRunAsync4E() {
2136	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2137	<	Noop r = new Noop();
2138	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2139	<	assertTrue(f.cancel(true));
2140	<	checkCompletedWithWrappedCancellationException(g);
3494	>	checkCompletedWithWrappedException(f, ex);
3495		}
3496
3497		/**
3498	<	* thenApplyAsync result completes normally after normal completion of source
3498	>	* completeAsync with given executor completes with value of given supplier
3499		*/
3500	<	public void testThenApplyAsyncE() {
3500	>	public void testCompleteAsync3() {
3501	>	for (Integer v1 : new Integer[] { 1, null })
3502	>	{
3503		CompletableFuture<Integer> f = new CompletableFuture<>();
3504	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3505	<	f.complete(one);
3506	<	checkCompletedNormally(g, two);
3507	<	}
3504	>	ThreadExecutor executor = new ThreadExecutor();
3505	>	f.completeAsync(() -> v1, executor);
3506	>	assertSame(v1, f.join());
3507	>	checkCompletedNormally(f, v1);
3508	>	assertEquals(1, executor.count.get());
3509	>	}}
3510
3511		/**
3512	<	* thenApplyAsync result completes exceptionally after exceptional
3513	<	* completion of source
3512	>	* completeAsync with given executor completes exceptionally if
3513	>	* given supplier throws
3514		*/
3515	<	public void testThenApplyAsync2E() {
3515	>	public void testCompleteAsync4() {
3516		CompletableFuture<Integer> f = new CompletableFuture<>();
3517	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3518	<	f.completeExceptionally(new CFException());
3519	<	checkCompletedWithWrappedCFException(g);
3520	<	}
3521	<
3522	<	/**
3523	<	* thenApplyAsync result completes exceptionally if action does
3524	<	*/
3525	<	public void testThenApplyAsync3E() {
2168	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2169	<	FailingFunction r = new FailingFunction();
2170	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2171	<	f.complete(null);
2172	<	checkCompletedWithWrappedCFException(g);
3517	>	CFException ex = new CFException();
3518	>	ThreadExecutor executor = new ThreadExecutor();
3519	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3520	>	try {
3521	>	f.join();
3522	>	shouldThrow();
3523	>	} catch (CompletionException success) {}
3524	>	checkCompletedWithWrappedException(f, ex);
3525	>	assertEquals(1, executor.count.get());
3526		}
3527
3528		/**
3529	<	* thenApplyAsync result completes exceptionally if source cancelled
3529	>	* orTimeout completes with TimeoutException if not complete
3530		*/
3531	<	public void testThenApplyAsync4E() {
3531	>	public void testOrTimeout_timesOut() {
3532	>	long timeoutMillis = timeoutMillis();
3533		CompletableFuture<Integer> f = new CompletableFuture<>();
3534	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3535	<	assertTrue(f.cancel(true));
3536	<	checkCompletedWithWrappedCancellationException(g);
3534	>	long startTime = System.nanoTime();
3535	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3536	>	checkCompletedWithTimeoutException(f);
3537	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3538		}
3539
3540		/**
3541	<	* thenAcceptAsync result completes normally after normal
2187	<	* completion of source
3541	>	* orTimeout completes normally if completed before timeout
3542		*/
3543	<	public void testThenAcceptAsyncE() {
3543	>	public void testOrTimeout_completed() {
3544	>	for (Integer v1 : new Integer[] { 1, null })
3545	>	{
3546		CompletableFuture<Integer> f = new CompletableFuture<>();
3547	<	IncAction r = new IncAction();
3548	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3549	<	f.complete(one);
3550	<	checkCompletedNormally(g, null);
3551	<	assertEquals(r.value, 2);
3552	<	}
3547	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3548	>	long startTime = System.nanoTime();
3549	>	f.complete(v1);
3550	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3551	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3552	>	g.complete(v1);
3553	>	checkCompletedNormally(f, v1);
3554	>	checkCompletedNormally(g, v1);
3555	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3556	>	}}
3557
3558		/**
3559	<	* thenAcceptAsync result completes exceptionally after exceptional
2200	<	* completion of source
3559	>	* completeOnTimeout completes with given value if not complete
3560		*/
3561	<	public void testThenAcceptAsync2E() {
3562	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3563	<	IncAction r = new IncAction();
2205	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2206	<	f.completeExceptionally(new CFException());
2207	<	checkCompletedWithWrappedCFException(g);
3561	>	public void testCompleteOnTimeout_timesOut() {
3562	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3563	>	() -> testCompleteOnTimeout_timesOut(null));
3564		}
3565
3566		/**
3567	<	* thenAcceptAsync result completes exceptionally if action does
3567	>	* completeOnTimeout completes with given value if not complete
3568		*/
3569	<	public void testThenAcceptAsync3E() {
3569	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3570	>	long timeoutMillis = timeoutMillis();
3571		CompletableFuture<Integer> f = new CompletableFuture<>();
3572	<	FailingConsumer r = new FailingConsumer();
3573	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3574	<	f.complete(null);
3575	<	checkCompletedWithWrappedCFException(g);
3572	>	long startTime = System.nanoTime();
3573	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3574	>	assertSame(v, f.join());
3575	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3576	>	f.complete(99);         // should have no effect
3577	>	checkCompletedNormally(f, v);
3578		}
3579
3580		/**
3581	<	* thenAcceptAsync result completes exceptionally if source cancelled
3581	>	* completeOnTimeout has no effect if completed within timeout
3582		*/
3583	<	public void testThenAcceptAsync4E() {
3583	>	public void testCompleteOnTimeout_completed() {
3584	>	for (Integer v1 : new Integer[] { 1, null })
3585	>	{
3586		CompletableFuture<Integer> f = new CompletableFuture<>();
3587	<	IncAction r = new IncAction();
3588	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3589	<	assertTrue(f.cancel(true));
3590	<	checkCompletedWithWrappedCancellationException(g);
3591	<	}
3592	<
3593	<	/**
3594	<	* thenCombineAsync result completes normally after normal
3595	<	* completion of sources
3596	<	*/
3597	<	public void testThenCombineAsyncE() {
3598	<	CompletableFuture<Integer> f, g, h;
3599	<	ThreadExecutor e = new ThreadExecutor();
3600	<	int count = 0;
3601	<
3602	<	f = new CompletableFuture<>();
3603	<	g = new CompletableFuture<>();
3604	<	h = f.thenCombineAsync(g, subtract, e);
3605	<	f.complete(3);
3606	<	checkIncomplete(h);
3607	<	g.complete(1);
3608	<	checkCompletedNormally(h, 2);
3609	<	assertEquals(++count, e.count.get());
3610	<
3611	<	f = new CompletableFuture<>();
3612	<	g = new CompletableFuture<>();
3613	<	h = f.thenCombineAsync(g, subtract, e);
3614	<	g.complete(1);
3615	<	checkIncomplete(h);
3616	<	f.complete(3);
3617	<	checkCompletedNormally(h, 2);
3618	<	assertEquals(++count, e.count.get());
3619	<
3620	<	f = new CompletableFuture<>();
3621	<	g = new CompletableFuture<>();
3622	<	g.complete(1);
3623	<	f.complete(3);
3624	<	h = f.thenCombineAsync(g, subtract, e);
2264	<	checkCompletedNormally(h, 2);
2265	<	assertEquals(++count, e.count.get());
2266	<	}
2267	<
2268	<	/**
2269	<	* thenCombineAsync result completes exceptionally after exceptional
2270	<	* completion of either source
2271	<	*/
2272	<	public void testThenCombineAsync2E() {
2273	<	CompletableFuture<Integer> f, g, h;
2274	<	ThreadExecutor e = new ThreadExecutor();
2275	<	int count = 0;
2276	<
2277	<	f = new CompletableFuture<>();
2278	<	g = new CompletableFuture<>();
2279	<	h = f.thenCombineAsync(g, subtract, e);
2280	<	f.completeExceptionally(new CFException());
2281	<	checkIncomplete(h);
2282	<	g.complete(1);
2283	<	checkCompletedWithWrappedCFException(h);
3587	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3588	>	long startTime = System.nanoTime();
3589	>	f.complete(v1);
3590	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3591	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3592	>	g.complete(v1);
3593	>	checkCompletedNormally(f, v1);
3594	>	checkCompletedNormally(g, v1);
3595	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3596	>	}}
3597	>
3598	>	/**
3599	>	* delayedExecutor returns an executor that delays submission
3600	>	*/
3601	>	public void testDelayedExecutor() {
3602	>	testInParallel(() -> testDelayedExecutor(null, null),
3603	>	() -> testDelayedExecutor(null, 1),
3604	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3605	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3606	>	}
3607	>
3608	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3609	>	long timeoutMillis = timeoutMillis();
3610	>	// Use an "unreasonably long" long timeout to catch lingering threads
3611	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3612	>	final Executor delayer, longDelayer;
3613	>	if (executor == null) {
3614	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3615	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3616	>	} else {
3617	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3618	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3619	>	}
3620	>	long startTime = System.nanoTime();
3621	>	CompletableFuture<Integer> f =
3622	>	CompletableFuture.supplyAsync(() -> v, delayer);
3623	>	CompletableFuture<Integer> g =
3624	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3625
3626	<	f = new CompletableFuture<>();
2286	<	g = new CompletableFuture<>();
2287	<	h = f.thenCombineAsync(g, subtract, e);
2288	<	g.completeExceptionally(new CFException());
2289	<	checkIncomplete(h);
2290	<	f.complete(3);
2291	<	checkCompletedWithWrappedCFException(h);
3626	>	assertNull(g.getNow(null));
3627
3628	<	f = new CompletableFuture<>();
3629	<	g = new CompletableFuture<>();
3630	<	g.completeExceptionally(new CFException());
3631	<	h = f.thenCombineAsync(g, subtract, e);
2297	<	checkIncomplete(h);
2298	<	f.complete(3);
2299	<	checkCompletedWithWrappedCFException(h);
3628	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3629	>	long millisElapsed = millisElapsedSince(startTime);
3630	>	assertTrue(millisElapsed >= timeoutMillis);
3631	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3632
3633	<	assertEquals(0, e.count.get());
2302	<	}
3633	>	checkCompletedNormally(f, v);
3634
2304	–	/**
2305	–	* thenCombineAsync result completes exceptionally if action does
2306	–	*/
2307	–	public void testThenCombineAsync3E() {
2308	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2309	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2310	–	FailingBiFunction r = new FailingBiFunction();
2311	–	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2312	–	f.complete(one);
3635		checkIncomplete(g);
2314	–	assertFalse(r.ran);
2315	–	f2.complete(two);
2316	–	checkCompletedWithWrappedCFException(g);
2317	–	assertTrue(r.ran);
2318	–	}
2319	–
2320	–	/**
2321	–	* thenCombineAsync result completes exceptionally if either source cancelled
2322	–	*/
2323	–	public void testThenCombineAsync4E() {
2324	–	CompletableFuture<Integer> f, g, h;
2325	–	ThreadExecutor e = new ThreadExecutor();
2326	–
2327	–	f = new CompletableFuture<>();
2328	–	g = new CompletableFuture<>();
2329	–	h = f.thenCombineAsync(g, subtract, e);
2330	–	assertTrue(f.cancel(true));
2331	–	checkIncomplete(h);
2332	–	g.complete(1);
2333	–	checkCompletedWithWrappedCancellationException(h);
2334	–
2335	–	f = new CompletableFuture<>();
2336	–	g = new CompletableFuture<>();
2337	–	h = f.thenCombineAsync(g, subtract, e);
2338	–	assertTrue(g.cancel(true));
2339	–	checkIncomplete(h);
2340	–	f.complete(3);
2341	–	checkCompletedWithWrappedCancellationException(h);
2342	–
2343	–	f = new CompletableFuture<>();
2344	–	g = new CompletableFuture<>();
2345	–	assertTrue(g.cancel(true));
2346	–	h = f.thenCombineAsync(g, subtract, e);
2347	–	checkIncomplete(h);
2348	–	f.complete(3);
2349	–	checkCompletedWithWrappedCancellationException(h);
2350	–
2351	–	f = new CompletableFuture<>();
2352	–	g = new CompletableFuture<>();
2353	–	assertTrue(f.cancel(true));
2354	–	assertTrue(g.cancel(true));
2355	–	h = f.thenCombineAsync(g, subtract, e);
2356	–	checkCompletedWithWrappedCancellationException(h);
2357	–
2358	–	assertEquals(0, e.count.get());
2359	–	}
2360	–
2361	–	/**
2362	–	* thenAcceptBothAsync result completes normally after normal
2363	–	* completion of sources
2364	–	*/
2365	–	public void testThenAcceptBothAsyncE() {
2366	–	CompletableFuture<Integer> f, g;
2367	–	CompletableFuture<Void> h;
2368	–	SubtractAction r;
2369	–	ThreadExecutor e = new ThreadExecutor();
2370	–
2371	–	f = new CompletableFuture<>();
2372	–	g = new CompletableFuture<>();
2373	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2374	–	f.complete(3);
2375	–	checkIncomplete(h);
2376	–	g.complete(1);
2377	–	checkCompletedNormally(h, null);
2378	–	assertEquals(r.value, 2);
2379	–
2380	–	f = new CompletableFuture<>();
2381	–	g = new CompletableFuture<>();
2382	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2383	–	g.complete(1);
2384	–	checkIncomplete(h);
2385	–	f.complete(3);
2386	–	checkCompletedNormally(h, null);
2387	–	assertEquals(r.value, 2);
2388	–
2389	–	f = new CompletableFuture<>();
2390	–	g = new CompletableFuture<>();
2391	–	g.complete(1);
2392	–	f.complete(3);
2393	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2394	–	checkCompletedNormally(h, null);
2395	–	assertEquals(r.value, 2);
2396	–
2397	–	assertEquals(3, e.count.get());
2398	–	}
2399	–
2400	–	/**
2401	–	* thenAcceptBothAsync result completes exceptionally after exceptional
2402	–	* completion of source
2403	–	*/
2404	–	public void testThenAcceptBothAsync2E() {
2405	–	CompletableFuture<Integer> f, g;
2406	–	CompletableFuture<Void> h;
2407	–	SubtractAction r;
2408	–	ThreadExecutor e = new ThreadExecutor();
2409	–
2410	–	f = new CompletableFuture<>();
2411	–	g = new CompletableFuture<>();
2412	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2413	–	f.completeExceptionally(new CFException());
2414	–	checkIncomplete(h);
2415	–	g.complete(1);
2416	–	checkCompletedWithWrappedCFException(h);
2417	–
2418	–	f = new CompletableFuture<>();
2419	–	g = new CompletableFuture<>();
2420	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2421	–	g.completeExceptionally(new CFException());
2422	–	checkIncomplete(h);
2423	–	f.complete(3);
2424	–	checkCompletedWithWrappedCFException(h);
2425	–
2426	–	f = new CompletableFuture<>();
2427	–	g = new CompletableFuture<>();
2428	–	f.complete(3);
2429	–	g.completeExceptionally(new CFException());
2430	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2431	–	checkCompletedWithWrappedCFException(h);
2432	–
2433	–	f = new CompletableFuture<>();
2434	–	g = new CompletableFuture<>();
2435	–	f.completeExceptionally(new CFException());
2436	–	g.complete(3);
2437	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2438	–	checkCompletedWithWrappedCFException(h);
2439	–
2440	–	assertEquals(0, e.count.get());
2441	–	}
2442	–
2443	–	/**
2444	–	* thenAcceptBothAsync result completes exceptionally if action does
2445	–	*/
2446	–	public void testThenAcceptBothAsync3E() {
2447	–	CompletableFuture<Integer> f, g;
2448	–	CompletableFuture<Void> h;
2449	–	FailingBiConsumer r;
2450	–	ThreadExecutor e = new ThreadExecutor();
2451	–
2452	–	f = new CompletableFuture<>();
2453	–	g = new CompletableFuture<>();
2454	–	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2455	–	f.complete(3);
2456	–	checkIncomplete(h);
2457	–	g.complete(1);
2458	–	checkCompletedWithWrappedCFException(h);
2459	–
2460	–	f = new CompletableFuture<>();
2461	–	g = new CompletableFuture<>();
2462	–	f.complete(3);
2463	–	g.complete(1);
2464	–	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2465	–	checkCompletedWithWrappedCFException(h);
2466	–
2467	–	assertEquals(2, e.count.get());
2468	–	}
2469	–
2470	–	/**
2471	–	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2472	–	*/
2473	–	public void testThenAcceptBothAsync4E() {
2474	–	CompletableFuture<Integer> f, g;
2475	–	CompletableFuture<Void> h;
2476	–	SubtractAction r;
2477	–	ThreadExecutor e = new ThreadExecutor();
2478	–
2479	–	f = new CompletableFuture<>();
2480	–	g = new CompletableFuture<>();
2481	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2482	–	assertTrue(f.cancel(true));
2483	–	checkIncomplete(h);
2484	–	g.complete(1);
2485	–	checkCompletedWithWrappedCancellationException(h);
2486	–
2487	–	f = new CompletableFuture<>();
2488	–	g = new CompletableFuture<>();
2489	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
3636		assertTrue(g.cancel(true));
2491	–	checkIncomplete(h);
2492	–	f.complete(3);
2493	–	checkCompletedWithWrappedCancellationException(h);
2494	–
2495	–	f = new CompletableFuture<>();
2496	–	g = new CompletableFuture<>();
2497	–	f.complete(3);
2498	–	assertTrue(g.cancel(true));
2499	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2500	–	checkCompletedWithWrappedCancellationException(h);
2501	–
2502	–	f = new CompletableFuture<>();
2503	–	g = new CompletableFuture<>();
2504	–	assertTrue(f.cancel(true));
2505	–	g.complete(3);
2506	–	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2507	–	checkCompletedWithWrappedCancellationException(h);
2508	–
2509	–	assertEquals(0, e.count.get());
2510	–	}
2511	–
2512	–	/**
2513	–	* runAfterBothAsync result completes normally after normal
2514	–	* completion of sources
2515	–	*/
2516	–	public void testRunAfterBothAsyncE() {
2517	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2518	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2519	–	Noop r = new Noop();
2520	–	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2521	–	f.complete(one);
2522	–	checkIncomplete(g);
2523	–	f2.complete(two);
2524	–	checkCompletedNormally(g, null);
2525	–	assertTrue(r.ran);
2526	–	}
2527	–
2528	–	/**
2529	–	* runAfterBothAsync result completes exceptionally after exceptional
2530	–	* completion of source
2531	–	*/
2532	–	public void testRunAfterBothAsync2E() {
2533	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2534	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2535	–	Noop r = new Noop();
2536	–	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2537	–	f.completeExceptionally(new CFException());
2538	–	f2.complete(two);
2539	–	checkCompletedWithWrappedCFException(g);
2540	–
2541	–	r = new Noop();
2542	–	f = new CompletableFuture<>();
2543	–	f2 = new CompletableFuture<>();
2544	–	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2545	–	f.complete(one);
2546	–	f2.completeExceptionally(new CFException());
2547	–	checkCompletedWithWrappedCFException(g);
2548	–	}
2549	–
2550	–	/**
2551	–	* runAfterBothAsync result completes exceptionally if action does
2552	–	*/
2553	–	public void testRunAfterBothAsync3E() {
2554	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2555	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2556	–	FailingNoop r = new FailingNoop();
2557	–	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2558	–	f.complete(one);
2559	–	checkIncomplete(g);
2560	–	f2.complete(two);
2561	–	checkCompletedWithWrappedCFException(g);
2562	–	}
2563	–
2564	–	/**
2565	–	* runAfterBothAsync result completes exceptionally if either source cancelled
2566	–	*/
2567	–	public void testRunAfterBothAsync4E() {
2568	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2569	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2570	–	Noop r = new Noop();
2571	–	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2572	–	assertTrue(f.cancel(true));
2573	–	f2.complete(two);
2574	–	checkCompletedWithWrappedCancellationException(g);
2575	–
2576	–	r = new Noop();
2577	–	f = new CompletableFuture<>();
2578	–	f2 = new CompletableFuture<>();
2579	–	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2580	–	f.complete(one);
2581	–	assertTrue(f2.cancel(true));
2582	–	checkCompletedWithWrappedCancellationException(g);
2583	–	}
2584	–
2585	–	/**
2586	–	* applyToEitherAsync result completes normally after normal
2587	–	* completion of sources
2588	–	*/
2589	–	public void testApplyToEitherAsyncE() {
2590	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2591	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2592	–	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2593	–	f.complete(one);
2594	–	checkCompletedNormally(g, two);
2595	–
2596	–	f = new CompletableFuture<>();
2597	–	f.complete(one);
2598	–	f2 = new CompletableFuture<>();
2599	–	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2600	–	checkCompletedNormally(g, two);
2601	–	}
2602	–
2603	–	/**
2604	–	* applyToEitherAsync result completes exceptionally after exceptional
2605	–	* completion of source
2606	–	*/
2607	–	public void testApplyToEitherAsync2E() {
2608	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2609	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2610	–	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2611	–	f.completeExceptionally(new CFException());
2612	–	checkCompletedWithWrappedCFException(g);
2613	–
2614	–	f = new CompletableFuture<>();
2615	–	f2 = new CompletableFuture<>();
2616	–	f2.completeExceptionally(new CFException());
2617	–	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2618	–	f.complete(one);
2619	–	checkCompletedWithWrappedCFException(g);
2620	–	}
2621	–
2622	–	/**
2623	–	* applyToEitherAsync result completes exceptionally if action does
2624	–	*/
2625	–	public void testApplyToEitherAsync3E() {
2626	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2627	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2628	–	FailingFunction r = new FailingFunction();
2629	–	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2630	–	f.complete(one);
2631	–	checkCompletedWithWrappedCFException(g);
2632	–	}
2633	–
2634	–	/**
2635	–	* applyToEitherAsync result completes exceptionally if either source cancelled
2636	–	*/
2637	–	public void testApplyToEitherAsync4E() {
2638	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2639	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2640	–	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2641	–	assertTrue(f.cancel(true));
2642	–	checkCompletedWithWrappedCancellationException(g);
2643	–
2644	–	f = new CompletableFuture<>();
2645	–	f2 = new CompletableFuture<>();
2646	–	assertTrue(f2.cancel(true));
2647	–	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2648	–	checkCompletedWithWrappedCancellationException(g);
2649	–	}
2650	–
2651	–	/**
2652	–	* acceptEitherAsync result completes normally after normal
2653	–	* completion of sources
2654	–	*/
2655	–	public void testAcceptEitherAsyncE() {
2656	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2657	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2658	–	IncAction r = new IncAction();
2659	–	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2660	–	f.complete(one);
2661	–	checkCompletedNormally(g, null);
2662	–	assertEquals(r.value, 2);
2663	–
2664	–	r = new IncAction();
2665	–	f = new CompletableFuture<>();
2666	–	f.complete(one);
2667	–	f2 = new CompletableFuture<>();
2668	–	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2669	–	checkCompletedNormally(g, null);
2670	–	assertEquals(r.value, 2);
2671	–	}
2672	–
2673	–	/**
2674	–	* acceptEitherAsync result completes exceptionally after exceptional
2675	–	* completion of source
2676	–	*/
2677	–	public void testAcceptEitherAsync2E() {
2678	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2679	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2680	–	IncAction r = new IncAction();
2681	–	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2682	–	f.completeExceptionally(new CFException());
2683	–	checkCompletedWithWrappedCFException(g);
2684	–
2685	–	r = new IncAction();
2686	–	f = new CompletableFuture<>();
2687	–	f2 = new CompletableFuture<>();
2688	–	f2.completeExceptionally(new CFException());
2689	–	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2690	–	f.complete(one);
2691	–	checkCompletedWithWrappedCFException(g);
2692	–	}
2693	–
2694	–	/**
2695	–	* acceptEitherAsync result completes exceptionally if action does
2696	–	*/
2697	–	public void testAcceptEitherAsync3E() {
2698	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2699	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2700	–	FailingConsumer r = new FailingConsumer();
2701	–	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2702	–	f.complete(one);
2703	–	checkCompletedWithWrappedCFException(g);
2704	–	}
2705	–
2706	–	/**
2707	–	* acceptEitherAsync result completes exceptionally if either
2708	–	* source cancelled
2709	–	*/
2710	–	public void testAcceptEitherAsync4E() {
2711	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2712	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2713	–	IncAction r = new IncAction();
2714	–	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2715	–	assertTrue(f.cancel(true));
2716	–	checkCompletedWithWrappedCancellationException(g);
2717	–
2718	–	r = new IncAction();
2719	–	f = new CompletableFuture<>();
2720	–	f2 = new CompletableFuture<>();
2721	–	assertTrue(f2.cancel(true));
2722	–	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2723	–	checkCompletedWithWrappedCancellationException(g);
2724	–	}
2725	–
2726	–	/**
2727	–	* runAfterEitherAsync result completes normally after normal
2728	–	* completion of sources
2729	–	*/
2730	–	public void testRunAfterEitherAsyncE() {
2731	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2732	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2733	–	Noop r = new Noop();
2734	–	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2735	–	f.complete(one);
2736	–	checkCompletedNormally(g, null);
2737	–	assertTrue(r.ran);
2738	–
2739	–	r = new Noop();
2740	–	f = new CompletableFuture<>();
2741	–	f.complete(one);
2742	–	f2 = new CompletableFuture<>();
2743	–	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2744	–	checkCompletedNormally(g, null);
2745	–	assertTrue(r.ran);
2746	–	}
2747	–
2748	–	/**
2749	–	* runAfterEitherAsync result completes exceptionally after exceptional
2750	–	* completion of source
2751	–	*/
2752	–	public void testRunAfterEitherAsync2E() {
2753	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2754	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2755	–	Noop r = new Noop();
2756	–	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2757	–	f.completeExceptionally(new CFException());
2758	–	checkCompletedWithWrappedCFException(g);
2759	–
2760	–	r = new Noop();
2761	–	f = new CompletableFuture<>();
2762	–	f2 = new CompletableFuture<>();
2763	–	f2.completeExceptionally(new CFException());
2764	–	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2765	–	f.complete(one);
2766	–	checkCompletedWithWrappedCFException(g);
2767	–	}
2768	–
2769	–	/**
2770	–	* runAfterEitherAsync result completes exceptionally if action does
2771	–	*/
2772	–	public void testRunAfterEitherAsync3E() {
2773	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2774	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2775	–	FailingNoop r = new FailingNoop();
2776	–	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2777	–	f.complete(one);
2778	–	checkCompletedWithWrappedCFException(g);
3637		}
3638
3639	<	/**
2782	<	* runAfterEitherAsync result completes exceptionally if either
2783	<	* source cancelled
2784	<	*/
2785	<	public void testRunAfterEitherAsync4E() {
2786	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2787	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2788	<	Noop r = new Noop();
2789	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2790	<	assertTrue(f.cancel(true));
2791	<	checkCompletedWithWrappedCancellationException(g);
3639	>	//--- tests of implementation details; not part of official tck ---
3640
3641	<	r = new Noop();
3642	<	f = new CompletableFuture<>();
3643	<	f2 = new CompletableFuture<>();
3644	<	assertTrue(f2.cancel(true));
3645	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3646	<	checkCompletedWithWrappedCancellationException(g);
3647	<	}
3641	>	Object resultOf(CompletableFuture<?> f) {
3642	>	SecurityManager sm = System.getSecurityManager();
3643	>	if (sm != null) {
3644	>	try {
3645	>	System.setSecurityManager(null);
3646	>	} catch (SecurityException giveUp) {
3647	>	return "Reflection not available";
3648	>	}
3649	>	}
3650
3651	<	/**
3652	<	* thenComposeAsync result completes normally after normal
3653	<	* completion of source
3654	<	*/
3655	<	public void testThenComposeAsyncE() {
3656	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3657	<	CompletableFutureInc r = new CompletableFutureInc();
3658	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3659	<	f.complete(one);
3660	<	checkCompletedNormally(g, two);
3651	>	try {
3652	>	java.lang.reflect.Field resultField
3653	>	= CompletableFuture.class.getDeclaredField("result");
3654	>	resultField.setAccessible(true);
3655	>	return resultField.get(f);
3656	>	} catch (Throwable t) {
3657	>	throw new AssertionError(t);
3658	>	} finally {
3659	>	if (sm != null) System.setSecurityManager(sm);
3660	>	}
3661		}
3662
3663	<	/**
3664	<	* thenComposeAsync result completes exceptionally after
3665	<	* exceptional completion of source
3666	<	*/
3667	<	public void testThenComposeAsync2E() {
3668	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3669	<	CompletableFutureInc r = new CompletableFutureInc();
3670	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3671	<	f.completeExceptionally(new CFException());
3672	<	checkCompletedWithWrappedCFException(g);
3673	<	}
3663	>	public void testExceptionPropagationReusesResultObject() {
3664	>	if (!testImplementationDetails) return;
3665	>	for (ExecutionMode m : ExecutionMode.values())
3666	>	{
3667	>	final CFException ex = new CFException();
3668	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3669	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3670	>
3671	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3672	>	= new ArrayList<>();
3673	>
3674	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3675	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3676	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3677	>
3678	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3679	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3680	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3681	>
3682	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3683	>	funs.add((y) -> m.runAfterBoth(v42, y, new Noop(m)));
3684	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3685	>	funs.add((y) -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3686	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3687	>	funs.add((y) -> m.thenCombine(v42, y, new SubtractFunction(m)));
3688	>
3689	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3690	>
3691	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3692	>
3693	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y}));
3694	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3695	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {v42, y}));
3696	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y}));
3697	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3698	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {incomplete, y}));
3699
3700	<	/**
3701	<	* thenComposeAsync result completes exceptionally if action does
3702	<	*/
3703	<	public void testThenComposeAsync3E() {
3704	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3705	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3706	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3707	<	f.complete(one);
3708	<	checkCompletedWithWrappedCFException(g);
3709	<	}
3700	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3701	>	fun : funs) {
3702	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3703	>	f.completeExceptionally(ex);
3704	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3705	>	checkCompletedWithWrappedException(src, ex);
3706	>	CompletableFuture<?> dep = fun.apply(src);
3707	>	checkCompletedWithWrappedException(dep, ex);
3708	>	assertSame(resultOf(src), resultOf(dep));
3709	>	}
3710
3711	<	/**
3712	<	* thenComposeAsync result completes exceptionally if source cancelled
3713	<	*/
3714	<	public void testThenComposeAsync4E() {
3715	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3716	<	CompletableFutureInc r = new CompletableFutureInc();
3717	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3718	<	assertTrue(f.cancel(true));
3719	<	checkCompletedWithWrappedCancellationException(g);
3720	<	}
3711	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3712	>	fun : funs) {
3713	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3714	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3715	>	CompletableFuture<?> dep = fun.apply(src);
3716	>	f.completeExceptionally(ex);
3717	>	checkCompletedWithWrappedException(src, ex);
3718	>	checkCompletedWithWrappedException(dep, ex);
3719	>	assertSame(resultOf(src), resultOf(dep));
3720	>	}
3721
3722	<	// other static methods
3722	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3723	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3724	>	fun : funs) {
3725	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3726	>	f.cancel(mayInterruptIfRunning);
3727	>	checkCancelled(f);
3728	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3729	>	checkCompletedWithWrappedCancellationException(src);
3730	>	CompletableFuture<?> dep = fun.apply(src);
3731	>	checkCompletedWithWrappedCancellationException(dep);
3732	>	assertSame(resultOf(src), resultOf(dep));
3733	>	}
3734
3735	<	/**
3736	<	* allOf(no component futures) returns a future completed normally
3737	<	* with the value null
3738	<	*/
3739	<	public void testAllOf_empty() throws Exception {
3740	<	CompletableFuture<Void> f = CompletableFuture.allOf();
3741	<	checkCompletedNormally(f, null);
3742	<	}
3735	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3736	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3737	>	fun : funs) {
3738	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3739	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3740	>	CompletableFuture<?> dep = fun.apply(src);
3741	>	f.cancel(mayInterruptIfRunning);
3742	>	checkCancelled(f);
3743	>	checkCompletedWithWrappedCancellationException(src);
3744	>	checkCompletedWithWrappedCancellationException(dep);
3745	>	assertSame(resultOf(src), resultOf(dep));
3746	>	}
3747	>	}}
3748
3749		/**
3750	<	* allOf returns a future completed normally with the value null
2860	<	* when all components complete normally
3750	>	* Minimal completion stages throw UOE for all non-CompletionStage methods
3751		*/
3752	<	public void testAllOf_normal() throws Exception {
3753	<	for (int k = 1; k < 20; ++k) {
3754	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3755	<	for (int i = 0; i < k; ++i)
3756	<	fs[i] = new CompletableFuture<>();
3757	<	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3758	<	for (int i = 0; i < k; ++i) {
3759	<	checkIncomplete(f);
3760	<	checkIncomplete(CompletableFuture.allOf(fs));
3761	<	fs[i].complete(one);
3752	>	public void testMinimalCompletionStage_minimality() {
3753	>	if (!testImplementationDetails) return;
3754	>	Function<Method, String> toSignature =
3755	>	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3756	>	Predicate<Method> isNotStatic =
3757	>	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3758	>	List<Method> minimalMethods =
3759	>	Stream.of(Object.class, CompletionStage.class)
3760	>	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3761	>	.filter(isNotStatic)
3762	>	.collect(Collectors.toList());
3763	>	// Methods from CompletableFuture permitted NOT to throw UOE
3764	>	String[] signatureWhitelist = {
3765	>	"newIncompleteFuture[]",
3766	>	"defaultExecutor[]",
3767	>	"minimalCompletionStage[]",
3768	>	"copy[]",
3769	>	};
3770	>	Set<String> permittedMethodSignatures =
3771	>	Stream.concat(minimalMethods.stream().map(toSignature),
3772	>	Stream.of(signatureWhitelist))
3773	>	.collect(Collectors.toSet());
3774	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3775	>	.filter(isNotStatic)
3776	>	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3777	>	.collect(Collectors.toList());
3778	>
3779	>	CompletionStage<Integer> minimalStage =
3780	>	new CompletableFuture<Integer>().minimalCompletionStage();
3781	>
3782	>	List<Method> bugs = new ArrayList<>();
3783	>	for (Method method : allMethods) {
3784	>	Class<?>[] parameterTypes = method.getParameterTypes();
3785	>	Object[] args = new Object[parameterTypes.length];
3786	>	// Manufacture boxed primitives for primitive params
3787	>	for (int i = 0; i < args.length; i++) {
3788	>	Class<?> type = parameterTypes[i];
3789	>	if (parameterTypes[i] == boolean.class)
3790	>	args[i] = false;
3791	>	else if (parameterTypes[i] == int.class)
3792	>	args[i] = 0;
3793	>	else if (parameterTypes[i] == long.class)
3794	>	args[i] = 0L;
3795		}
3796	<	checkCompletedNormally(f, null);
3797	<	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3796	>	try {
3797	>	method.invoke(minimalStage, args);
3798	>	bugs.add(method);
3799	>	}
3800	>	catch (java.lang.reflect.InvocationTargetException expected) {
3801	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3802	>	bugs.add(method);
3803	>	// expected.getCause().printStackTrace();
3804	>	}
3805	>	}
3806	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3807		}
3808	+	if (!bugs.isEmpty())
3809	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3810		}
3811
3812	<	/**
3813	<	* anyOf(no component futures) returns an incomplete future
3814	<	*/
3815	<	public void testAnyOf_empty() throws Exception {
3816	<	CompletableFuture<Object> f = CompletableFuture.anyOf();
3817	<	checkIncomplete(f);
3818	<	}
3819	<
3820	<	/**
3821	<	* anyOf returns a future completed normally with a value when
3822	<	* a component future does
3823	<	*/
3824	<	public void testAnyOf_normal() throws Exception {
3825	<	for (int k = 0; k < 10; ++k) {
3826	<	CompletableFuture[] fs = new CompletableFuture[k];
3827	<	for (int i = 0; i < k; ++i)
3828	<	fs[i] = new CompletableFuture<>();
2895	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
2896	<	checkIncomplete(f);
2897	<	for (int i = 0; i < k; ++i) {
2898	<	fs[i].complete(one);
2899	<	checkCompletedNormally(f, one);
2900	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
2901	<	}
3812	>	static class Monad {
3813	>	static class ZeroException extends RuntimeException {
3814	>	public ZeroException() { super("monadic zero"); }
3815	>	}
3816	>	// "return", "unit"
3817	>	static <T> CompletableFuture<T> unit(T value) {
3818	>	return completedFuture(value);
3819	>	}
3820	>	// monadic zero ?
3821	>	static <T> CompletableFuture<T> zero() {
3822	>	return failedFuture(new ZeroException());
3823	>	}
3824	>	// >=>
3825	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
3826	>	(Function<T, CompletableFuture<U>> f,
3827	>	Function<U, CompletableFuture<V>> g) {
3828	>	return (x) -> f.apply(x).thenCompose(g);
3829		}
2903	–	}
3830
3831	<	/**
3832	<	* anyOf result completes exceptionally when any component does.
3833	<	*/
3834	<	public void testAnyOf_exceptional() throws Exception {
3835	<	for (int k = 0; k < 10; ++k) {
3836	<	CompletableFuture[] fs = new CompletableFuture[k];
2911	<	for (int i = 0; i < k; ++i)
2912	<	fs[i] = new CompletableFuture<>();
2913	<	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
2914	<	checkIncomplete(f);
2915	<	for (int i = 0; i < k; ++i) {
2916	<	fs[i].completeExceptionally(new CFException());
2917	<	checkCompletedWithWrappedCFException(f);
2918	<	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3831	>	static void assertZero(CompletableFuture<?> f) {
3832	>	try {
3833	>	f.getNow(null);
3834	>	throw new AssertionFailedError("should throw");
3835	>	} catch (CompletionException success) {
3836	>	assertTrue(success.getCause() instanceof ZeroException);
3837		}
3838		}
2921	–	}
2922	–
2923	–	/**
2924	–	* Completion methods throw NullPointerException with null arguments
2925	–	*/
2926	–	public void testNPE() {
2927	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2928	–	CompletableFuture<Integer> g = new CompletableFuture<>();
2929	–	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2930	–	CompletableFuture<?> h;
2931	–	ThreadExecutor exec = new ThreadExecutor();
2932	–
2933	–	Runnable[] throwingActions = {
2934	–	() -> { CompletableFuture.supplyAsync(null); },
2935	–	() -> { CompletableFuture.supplyAsync(null, exec); },
2936	–	() -> { CompletableFuture.supplyAsync(supplyOne, null); },
2937	–
2938	–	() -> { CompletableFuture.runAsync(null); },
2939	–	() -> { CompletableFuture.runAsync(null, exec); },
2940	–	() -> { CompletableFuture.runAsync(() -> {}, null); },
2941	–
2942	–	() -> { f.completeExceptionally(null); },
2943	–
2944	–	() -> { f.thenApply(null); },
2945	–	() -> { f.thenApplyAsync(null); },
2946	–	() -> { f.thenApplyAsync((x) -> x, null); },
2947	–	() -> { f.thenApplyAsync(null, exec); },
2948	–
2949	–	() -> { f.thenAccept(null); },
2950	–	() -> { f.thenAcceptAsync(null); },
2951	–	() -> { f.thenAcceptAsync((x) -> { ; }, null); },
2952	–	() -> { f.thenAcceptAsync(null, exec); },
2953	–
2954	–	() -> { f.thenRun(null); },
2955	–	() -> { f.thenRunAsync(null); },
2956	–	() -> { f.thenRunAsync(() -> { ; }, null); },
2957	–	() -> { f.thenRunAsync(null, exec); },
2958	–
2959	–	() -> { f.thenCombine(g, null); },
2960	–	() -> { f.thenCombineAsync(g, null); },
2961	–	() -> { f.thenCombineAsync(g, null, exec); },
2962	–	() -> { f.thenCombine(nullFuture, (x, y) -> x); },
2963	–	() -> { f.thenCombineAsync(nullFuture, (x, y) -> x); },
2964	–	() -> { f.thenCombineAsync(nullFuture, (x, y) -> x, exec); },
2965	–	() -> { f.thenCombineAsync(g, (x, y) -> x, null); },
2966	–
2967	–	() -> { f.thenAcceptBoth(g, null); },
2968	–	() -> { f.thenAcceptBothAsync(g, null); },
2969	–	() -> { f.thenAcceptBothAsync(g, null, exec); },
2970	–	() -> { f.thenAcceptBoth(nullFuture, (x, y) -> {}); },
2971	–	() -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}); },
2972	–	() -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec); },
2973	–	() -> { f.thenAcceptBothAsync(g, (x, y) -> {}, null); },
2974	–
2975	–	() -> { f.runAfterBoth(g, null); },
2976	–	() -> { f.runAfterBothAsync(g, null); },
2977	–	() -> { f.runAfterBothAsync(g, null, exec); },
2978	–	() -> { f.runAfterBoth(nullFuture, () -> {}); },
2979	–	() -> { f.runAfterBothAsync(nullFuture, () -> {}); },
2980	–	() -> { f.runAfterBothAsync(nullFuture, () -> {}, exec); },
2981	–	() -> { f.runAfterBothAsync(g, () -> {}, null); },
2982	–
2983	–	() -> { f.applyToEither(g, null); },
2984	–	() -> { f.applyToEitherAsync(g, null); },
2985	–	() -> { f.applyToEitherAsync(g, null, exec); },
2986	–	() -> { f.applyToEither(nullFuture, (x) -> x); },
2987	–	() -> { f.applyToEitherAsync(nullFuture, (x) -> x); },
2988	–	() -> { f.applyToEitherAsync(nullFuture, (x) -> x, exec); },
2989	–	() -> { f.applyToEitherAsync(g, (x) -> x, null); },
2990	–
2991	–	() -> { f.acceptEither(g, null); },
2992	–	() -> { f.acceptEitherAsync(g, null); },
2993	–	() -> { f.acceptEitherAsync(g, null, exec); },
2994	–	() -> { f.acceptEither(nullFuture, (x) -> {}); },
2995	–	() -> { f.acceptEitherAsync(nullFuture, (x) -> {}); },
2996	–	() -> { f.acceptEitherAsync(nullFuture, (x) -> {}, exec); },
2997	–	() -> { f.acceptEitherAsync(g, (x) -> {}, null); },
2998	–
2999	–	() -> { f.runAfterEither(g, null); },
3000	–	() -> { f.runAfterEitherAsync(g, null); },
3001	–	() -> { f.runAfterEitherAsync(g, null, exec); },
3002	–	() -> { f.runAfterEither(nullFuture, () -> {}); },
3003	–	() -> { f.runAfterEitherAsync(nullFuture, () -> {}); },
3004	–	() -> { f.runAfterEitherAsync(nullFuture, () -> {}, exec); },
3005	–	() -> { f.runAfterEitherAsync(g, () -> {}, null); },
3006	–
3007	–	() -> { f.thenCompose(null); },
3008	–	() -> { f.thenComposeAsync(null); },
3009	–	() -> { f.thenComposeAsync(new CompletableFutureInc(), null); },
3010	–	() -> { f.thenComposeAsync(null, exec); },
3011	–
3012	–	() -> { f.exceptionally(null); },
3013	–
3014	–	() -> { f.handle(null); },
3015	–
3016	–	() -> { CompletableFuture.allOf((CompletableFuture<?>)null); },
3017	–	() -> { CompletableFuture.allOf((CompletableFuture<?>[])null); },
3018	–	() -> { CompletableFuture.allOf(f, null); },
3019	–	() -> { CompletableFuture.allOf(null, f); },
3020	–
3021	–	() -> { CompletableFuture.anyOf((CompletableFuture<?>)null); },
3022	–	() -> { CompletableFuture.anyOf((CompletableFuture<?>[])null); },
3023	–	() -> { CompletableFuture.anyOf(f, null); },
3024	–	() -> { CompletableFuture.anyOf(null, f); },
3025	–	};
3026	–
3027	–	assertThrows(NullPointerException.class, throwingActions);
3028	–	assertEquals(0, exec.count.get());
3029	–	}
3030	–
3031	–	/**
3032	–	* toCompletableFuture returns this CompletableFuture.
3033	–	*/
3034	–	public void testToCompletableFuture() {
3035	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3036	–	assertSame(f, f.toCompletableFuture());
3037	–	}
3038	–
3039	–	/**
3040	–	* whenComplete action executes on normal completion, propagating
3041	–	* source result.
3042	–	*/
3043	–	public void testWhenComplete1() {
3044	–	final AtomicInteger a = new AtomicInteger();
3045	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3046	–	CompletableFuture<Integer> g =
3047	–	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3048	–	f.complete(three);
3049	–	checkCompletedNormally(f, three);
3050	–	checkCompletedNormally(g, three);
3051	–	assertEquals(a.get(), 1);
3052	–	}
3839
3840	<	/**
3841	<	* whenComplete action executes on exceptional completion, propagating
3842	<	* source result.
3843	<	*/
3844	<	public void testWhenComplete2() {
3845	<	final AtomicInteger a = new AtomicInteger();
3846	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3847	<	CompletableFuture<Integer> g =
3848	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3849	<	f.completeExceptionally(new CFException());
3850	<	assertTrue(f.isCompletedExceptionally());
3851	<	assertTrue(g.isCompletedExceptionally());
3852	<	assertEquals(a.get(), 1);
3853	<	}
3854	<
3855	<	/**
3856	<	* If a whenComplete action throws an exception when triggered by
3857	<	* a normal completion, it completes exceptionally
3072	<	*/
3073	<	public void testWhenComplete3() {
3074	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3075	<	CompletableFuture<Integer> g =
3076	<	f.whenComplete((Integer x, Throwable t) ->
3077	<	{ throw new CFException(); } );
3078	<	f.complete(three);
3079	<	checkCompletedNormally(f, three);
3080	<	assertTrue(g.isCompletedExceptionally());
3081	<	checkCompletedWithWrappedCFException(g);
3082	<	}
3083	<
3084	<	/**
3085	<	* whenCompleteAsync action executes on normal completion, propagating
3086	<	* source result.
3087	<	*/
3088	<	public void testWhenCompleteAsync1() {
3089	<	final AtomicInteger a = new AtomicInteger();
3090	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3091	<	CompletableFuture<Integer> g =
3092	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3093	<	f.complete(three);
3094	<	checkCompletedNormally(f, three);
3095	<	checkCompletedNormally(g, three);
3096	<	assertEquals(a.get(), 1);
3097	<	}
3840	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
3841	>	CompletableFuture<T> g) {
3842	>	T fval = null, gval = null;
3843	>	Throwable fex = null, gex = null;
3844	>
3845	>	try { fval = f.get(); }
3846	>	catch (ExecutionException ex) { fex = ex.getCause(); }
3847	>	catch (Throwable ex) { fex = ex; }
3848	>
3849	>	try { gval = g.get(); }
3850	>	catch (ExecutionException ex) { gex = ex.getCause(); }
3851	>	catch (Throwable ex) { gex = ex; }
3852	>
3853	>	if (fex != null || gex != null)
3854	>	assertSame(fex.getClass(), gex.getClass());
3855	>	else
3856	>	assertEquals(fval, gval);
3857	>	}
3858
3859	<	/**
3860	<	* whenCompleteAsync action executes on exceptional completion, propagating
3861	<	* source result.
3102	<	*/
3103	<	public void testWhenCompleteAsync2() {
3104	<	final AtomicInteger a = new AtomicInteger();
3105	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3106	<	CompletableFuture<Integer> g =
3107	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3108	<	f.completeExceptionally(new CFException());
3109	<	checkCompletedWithWrappedCFException(f);
3110	<	checkCompletedWithWrappedCFException(g);
3111	<	}
3859	>	static class PlusFuture<T> extends CompletableFuture<T> {
3860	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3861	>	}
3862
3863	<	/**
3864	<	* If a whenCompleteAsync action throws an exception when
3865	<	* triggered by a normal completion, it completes exceptionally
3866	<	*/
3867	<	public void testWhenCompleteAsync3() {
3868	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3869	<	CompletableFuture<Integer> g =
3870	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3871	<	{ throw new CFException(); } );
3872	<	f.complete(three);
3873	<	checkCompletedNormally(f, three);
3874	<	checkCompletedWithWrappedCFException(g);
3863	>	/** Implements "monadic plus". */
3864	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3865	>	CompletableFuture<? extends T> g) {
3866	>	PlusFuture<T> plus = new PlusFuture<T>();
3867	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3868	>	try {
3869	>	if (ex == null) {
3870	>	if (plus.complete(result))
3871	>	if (plus.firstFailure.get() != null)
3872	>	plus.firstFailure.set(null);
3873	>	}
3874	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
3875	>	if (plus.isDone())
3876	>	plus.firstFailure.set(null);
3877	>	}
3878	>	else {
3879	>	// first failure has precedence
3880	>	Throwable first = plus.firstFailure.getAndSet(null);
3881	>
3882	>	// may fail with "Self-suppression not permitted"
3883	>	try { first.addSuppressed(ex); }
3884	>	catch (Exception ignored) {}
3885	>
3886	>	plus.completeExceptionally(first);
3887	>	}
3888	>	} catch (Throwable unexpected) {
3889	>	plus.completeExceptionally(unexpected);
3890	>	}
3891	>	};
3892	>	f.whenComplete(action);
3893	>	g.whenComplete(action);
3894	>	return plus;
3895	>	}
3896		}
3897
3898		/**
3899	<	* whenCompleteAsync action executes on normal completion, propagating
3900	<	* source result.
3899	>	* CompletableFuture is an additive monad - sort of.
3900	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3901		*/
3902	<	public void testWhenCompleteAsync1e() {
3903	<	final AtomicInteger a = new AtomicInteger();
3904	<	ThreadExecutor exec = new ThreadExecutor();
3905	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3906	<	CompletableFuture<Integer> g =
3907	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3908	<	exec);
3909	<	f.complete(three);
3910	<	checkCompletedNormally(f, three);
3911	<	checkCompletedNormally(g, three);
3912	<	assertEquals(a.get(), 1);
3913	<	}
3914	<
3915	<	/**
3916	<	* whenCompleteAsync action executes on exceptional completion, propagating
3917	<	* source result.
3918	<	*/
3919	<	public void testWhenCompleteAsync2e() {
3920	<	final AtomicInteger a = new AtomicInteger();
3921	<	ThreadExecutor exec = new ThreadExecutor();
3922	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3923	<	CompletableFuture<Integer> g =
3924	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3925	<	exec);
3926	<	f.completeExceptionally(new CFException());
3927	<	checkCompletedWithWrappedCFException(f);
3928	<	checkCompletedWithWrappedCFException(g);
3929	<	}
3902	>	public void testAdditiveMonad() throws Throwable {
3903	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3904	>	CompletableFuture<Long> zero = Monad.zero();
3905	>
3906	>	// Some mutually non-commutative functions
3907	>	Function<Long, CompletableFuture<Long>> triple
3908	>	= (x) -> Monad.unit(3 * x);
3909	>	Function<Long, CompletableFuture<Long>> inc
3910	>	= (x) -> Monad.unit(x + 1);
3911	>
3912	>	// unit is a right identity: m >>= unit === m
3913	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3914	>	inc.apply(5L));
3915	>	// unit is a left identity: (unit x) >>= f === f x
3916	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3917	>	inc.apply(5L));
3918	>
3919	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3920	>	Monad.assertFutureEquals(
3921	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3922	>	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3923	>
3924	>	// The case for CompletableFuture as an additive monad is weaker...
3925	>
3926	>	// zero is a monadic zero
3927	>	Monad.assertZero(zero);
3928	>
3929	>	// left zero: zero >>= f === zero
3930	>	Monad.assertZero(zero.thenCompose(inc));
3931	>	// right zero: f >>= (\x -> zero) === zero
3932	>	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3933	>
3934	>	// f plus zero === f
3935	>	Monad.assertFutureEquals(Monad.unit(5L),
3936	>	Monad.plus(Monad.unit(5L), zero));
3937	>	// zero plus f === f
3938	>	Monad.assertFutureEquals(Monad.unit(5L),
3939	>	Monad.plus(zero, Monad.unit(5L)));
3940	>	// zero plus zero === zero
3941	>	Monad.assertZero(Monad.plus(zero, zero));
3942	>	{
3943	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3944	>	Monad.unit(8L));
3945	>	// non-determinism
3946	>	assertTrue(f.get() == 5L || f.get() == 8L);
3947	>	}
3948
3949	<	/**
3950	<	* If a whenCompleteAsync action throws an exception when triggered
3951	<	* by a normal completion, it completes exceptionally
3952	<	*/
3953	<	public void testWhenCompleteAsync3e() {
3954	<	ThreadExecutor exec = new ThreadExecutor();
3955	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3167	<	CompletableFuture<Integer> g =
3168	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3169	<	{ throw new CFException(); },
3170	<	exec);
3171	<	f.complete(three);
3172	<	checkCompletedNormally(f, three);
3173	<	checkCompletedWithWrappedCFException(g);
3949	>	CompletableFuture<Long> godot = new CompletableFuture<>();
3950	>	// f plus godot === f (doesn't wait for godot)
3951	>	Monad.assertFutureEquals(Monad.unit(5L),
3952	>	Monad.plus(Monad.unit(5L), godot));
3953	>	// godot plus f === f (doesn't wait for godot)
3954	>	Monad.assertFutureEquals(Monad.unit(5L),
3955	>	Monad.plus(godot, Monad.unit(5L)));
3956		}
3957
3958		/**
3959	<	* handleAsync action completes normally with function value on
3960	<	* either normal or exceptional completion of source
3961	<	*/
3962	<	public void testHandleAsync() {
3963	<	CompletableFuture<Integer> f, g;
3964	<	IntegerHandler r;
3965	<
3966	<	f = new CompletableFuture<>();
3967	<	g = f.handleAsync(r = new IntegerHandler());
3968	<	assertFalse(r.ran);
3969	<	f.completeExceptionally(new CFException());
3970	<	checkCompletedWithWrappedCFException(f);
3971	<	checkCompletedNormally(g, three);
3972	<	assertTrue(r.ran);
3973	<
3974	<	f = new CompletableFuture<>();
3975	<	g = f.handleAsync(r = new IntegerHandler());
3976	<	assertFalse(r.ran);
3977	<	f.completeExceptionally(new CFException());
3978	<	checkCompletedWithWrappedCFException(f);
3979	<	checkCompletedNormally(g, three);
3980	<	assertTrue(r.ran);
3981	<
3982	<	f = new CompletableFuture<>();
3983	<	g = f.handleAsync(r = new IntegerHandler());
3984	<	assertFalse(r.ran);
3985	<	f.complete(one);
3986	<	checkCompletedNormally(f, one);
3987	<	checkCompletedNormally(g, two);
3206	<	assertTrue(r.ran);
3207	<
3208	<	f = new CompletableFuture<>();
3209	<	g = f.handleAsync(r = new IntegerHandler());
3210	<	assertFalse(r.ran);
3211	<	f.complete(one);
3212	<	checkCompletedNormally(f, one);
3213	<	checkCompletedNormally(g, two);
3214	<	assertTrue(r.ran);
3959	>	* A single CompletableFuture with many dependents.
3960	>	* A demo of scalability - runtime is O(n).
3961	>	*/
3962	>	public void testManyDependents() throws Throwable {
3963	>	final int n = 1_000;
3964	>	final CompletableFuture<Void> head = new CompletableFuture<>();
3965	>	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
3966	>	final AtomicInteger count = new AtomicInteger(0);
3967	>	for (int i = 0; i < n; i++) {
3968	>	head.thenRun(() -> count.getAndIncrement());
3969	>	head.thenAccept((x) -> count.getAndIncrement());
3970	>	head.thenApply((x) -> count.getAndIncrement());
3971	>
3972	>	head.runAfterBoth(complete, () -> count.getAndIncrement());
3973	>	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
3974	>	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
3975	>	complete.runAfterBoth(head, () -> count.getAndIncrement());
3976	>	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
3977	>	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
3978	>
3979	>	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
3980	>	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3981	>	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3982	>	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
3983	>	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
3984	>	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
3985	>	}
3986	>	head.complete(null);
3987	>	assertEquals(5 * 3 * n, count.get());
3988		}
3989
3990	<	/**
3991	<	* handleAsync action with Executor completes normally with
3992	<	* function value on either normal or exceptional completion of
3993	<	* source
3994	<	*/
3995	<	public void testHandleAsync2() {
3996	<	CompletableFuture<Integer> f, g;
3997	<	ThreadExecutor exec = new ThreadExecutor();
3998	<	IntegerHandler r;
3999	<
4000	<	f = new CompletableFuture<>();
4001	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4002	<	assertFalse(r.ran);
4003	<	f.completeExceptionally(new CFException());
4004	<	checkCompletedWithWrappedCFException(f);
4005	<	checkCompletedNormally(g, three);
4006	<	assertTrue(r.ran);
4007	<
4008	<	f = new CompletableFuture<>();
4009	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4010	<	assertFalse(r.ran);
4011	<	f.completeExceptionally(new CFException());
4012	<	checkCompletedWithWrappedCFException(f);
3240	<	checkCompletedNormally(g, three);
3241	<	assertTrue(r.ran);
3242	<
3243	<	f = new CompletableFuture<>();
3244	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3245	<	assertFalse(r.ran);
3246	<	f.complete(one);
3247	<	checkCompletedNormally(f, one);
3248	<	checkCompletedNormally(g, two);
3249	<	assertTrue(r.ran);
3250	<
3251	<	f = new CompletableFuture<>();
3252	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3253	<	assertFalse(r.ran);
3254	<	f.complete(one);
3255	<	checkCompletedNormally(f, one);
3256	<	checkCompletedNormally(g, two);
3257	<	assertTrue(r.ran);
3258	<	}
3990	>	//     static <U> U join(CompletionStage<U> stage) {
3991	>	//         CompletableFuture<U> f = new CompletableFuture<>();
3992	>	//         stage.whenComplete((v, ex) -> {
3993	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3994	>	//         });
3995	>	//         return f.join();
3996	>	//     }
3997	>
3998	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
3999	>	//         CompletableFuture<U> f = new CompletableFuture<>();
4000	>	//         stage.whenComplete((v, ex) -> {
4001	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4002	>	//         });
4003	>	//         return f.isDone();
4004	>	//     }
4005	>
4006	>	//     static <U> U join2(CompletionStage<U> stage) {
4007	>	//         return stage.toCompletableFuture().copy().join();
4008	>	//     }
4009	>
4010	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4011	>	//         return stage.toCompletableFuture().copy().isDone();
4012	>	//     }
4013
4014		}

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