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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 1.138 by jsr166, Sun Nov 15 23:31:51 2015 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28	+	import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33		import java.util.concurrent.TimeoutException;
34	+	import java.util.concurrent.TimeUnit;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
22	<	import static java.util.concurrent.TimeUnit.SECONDS;
23	<	import java.util.*;
24	<	import java.util.function.Supplier;
25	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
27	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.AssertionFailedError;
45	+	import junit.framework.Test;
46	+	import junit.framework.TestSuite;
47
48		public class CompletableFutureTest extends JSR166TestCase {
49
50		public static void main(String[] args) {
51	<	junit.textui.TestRunner.run(suite());
51	>	main(suite(), args);
52		}
53		public static Test suite() {
54		return new TestSuite(CompletableFutureTest.class);
#	Line 41 | Line 59 | public class CompletableFutureTest exten
59		void checkIncomplete(CompletableFuture<?> f) {
60		assertFalse(f.isDone());
61		assertFalse(f.isCancelled());
62	<	assertTrue(f.toString().contains("[Not completed]"));
62	>	assertTrue(f.toString().contains("Not completed"));
63		try {
64		assertNull(f.getNow(null));
65		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 54 | Line 72 | public class CompletableFutureTest exten
72		}
73
74		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
75	<	try {
76	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
59	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 72 | Line 89 | public class CompletableFutureTest exten
89		assertTrue(f.toString().contains("[Completed normally]"));
90		}
91
92	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
92	>	/**
93	>	* Returns the "raw" internal exceptional completion of f,
94	>	* without any additional wrapping with CompletionException.
95	>	*/
96	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
97	>	// handle (and whenComplete) can distinguish between "direct"
98	>	// and "wrapped" exceptional completion
99	>	return f.handle((U u, Throwable t) -> t).join();
100	>	}
101	>
102	>	void checkCompletedExceptionally(CompletableFuture<?> f,
103	>	boolean wrapped,
104	>	Consumer<Throwable> checker) {
105	>	Throwable cause = exceptionalCompletion(f);
106	>	if (wrapped) {
107	>	assertTrue(cause instanceof CompletionException);
108	>	cause = cause.getCause();
109	>	}
110	>	checker.accept(cause);
111	>
112	>	long startTime = System.nanoTime();
113		try {
114		f.get(LONG_DELAY_MS, MILLISECONDS);
115		shouldThrow();
116		} catch (ExecutionException success) {
117	<	assertTrue(success.getCause() instanceof CFException);
117	>	assertSame(cause, success.getCause());
118		} catch (Throwable fail) { threadUnexpectedException(fail); }
119	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
120	+
121		try {
122		f.join();
123		shouldThrow();
124		} catch (CompletionException success) {
125	<	assertTrue(success.getCause() instanceof CFException);
126	<	}
125	>	assertSame(cause, success.getCause());
126	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
127	>
128		try {
129		f.getNow(null);
130		shouldThrow();
131		} catch (CompletionException success) {
132	<	assertTrue(success.getCause() instanceof CFException);
133	<	}
132	>	assertSame(cause, success.getCause());
133	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
134	>
135		try {
136		f.get();
137		shouldThrow();
138		} catch (ExecutionException success) {
139	<	assertTrue(success.getCause() instanceof CFException);
139	>	assertSame(cause, success.getCause());
140		} catch (Throwable fail) { threadUnexpectedException(fail); }
141	<	assertTrue(f.isDone());
141	>
142		assertFalse(f.isCancelled());
143	+	assertTrue(f.isDone());
144	+	assertTrue(f.isCompletedExceptionally());
145		assertTrue(f.toString().contains("[Completed exceptionally]"));
146		}
147
148	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
149	+	checkCompletedExceptionally(f, true,
150	+	(t) -> assertTrue(t instanceof CFException));
151	+	}
152	+
153	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
154	+	checkCompletedExceptionally(f, true,
155	+	(t) -> assertTrue(t instanceof CancellationException));
156	+	}
157	+
158	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
159	+	checkCompletedExceptionally(f, false,
160	+	(t) -> assertTrue(t instanceof TimeoutException));
161	+	}
162	+
163	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
164	+	Throwable ex) {
165	+	checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex));
166	+	}
167	+
168	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
169	+	checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex));
170	+	}
171	+
172		void checkCancelled(CompletableFuture<?> f) {
173	+	long startTime = System.nanoTime();
174		try {
175		f.get(LONG_DELAY_MS, MILLISECONDS);
176		shouldThrow();
177		} catch (CancellationException success) {
178		} catch (Throwable fail) { threadUnexpectedException(fail); }
179	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
180	+
181		try {
182		f.join();
183		shouldThrow();
#	Line 121 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} catch (Throwable fail) { threadUnexpectedException(fail); }
124	–	assertTrue(f.isDone());
125	–	assertTrue(f.isCompletedExceptionally());
126	–	assertTrue(f.isCancelled());
127	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
128	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	try {
132	<	f.get(LONG_DELAY_MS, MILLISECONDS);
133	<	shouldThrow();
134	<	} catch (ExecutionException success) {
135	<	assertTrue(success.getCause() instanceof CancellationException);
136	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
137	<	try {
138	<	f.join();
139	<	shouldThrow();
140	<	} catch (CompletionException success) {
141	<	assertTrue(success.getCause() instanceof CancellationException);
142	<	}
143	<	try {
144	<	f.getNow(null);
145	<	shouldThrow();
146	<	} catch (CompletionException success) {
147	<	assertTrue(success.getCause() instanceof CancellationException);
148	<	}
149	<	try {
150	<	f.get();
151	<	shouldThrow();
152	<	} catch (ExecutionException success) {
153	<	assertTrue(success.getCause() instanceof CancellationException);
154	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
156	–	assertFalse(f.isCancelled());
198		assertTrue(f.isCompletedExceptionally());
199	+	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 172 | Line 214 | public class CompletableFutureTest exten
214		* isCancelled, join, get, and getNow
215		*/
216		public void testComplete() {
217	+	for (Integer v1 : new Integer[] { 1, null })
218	+	{
219		CompletableFuture<Integer> f = new CompletableFuture<>();
220		checkIncomplete(f);
221	<	f.complete(one);
222	<	checkCompletedNormally(f, one);
223	<	}
221	>	assertTrue(f.complete(v1));
222	>	assertFalse(f.complete(v1));
223	>	checkCompletedNormally(f, v1);
224	>	}}
225
226		/**
227		* completeExceptionally completes exceptionally, as indicated by
#	Line 184 | Line 229 | public class CompletableFutureTest exten
229		*/
230		public void testCompleteExceptionally() {
231		CompletableFuture<Integer> f = new CompletableFuture<>();
232	+	CFException ex = new CFException();
233		checkIncomplete(f);
234	<	f.completeExceptionally(new CFException());
235	<	checkCompletedWithWrappedCFException(f);
234	>	f.completeExceptionally(ex);
235	>	checkCompletedExceptionally(f, ex);
236		}
237
238		/**
#	Line 194 | Line 240 | public class CompletableFutureTest exten
240		* methods isDone, isCancelled, join, get, and getNow
241		*/
242		public void testCancel() {
243	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
244	+	{
245		CompletableFuture<Integer> f = new CompletableFuture<>();
246		checkIncomplete(f);
247	<	assertTrue(f.cancel(true));
247	>	assertTrue(f.cancel(mayInterruptIfRunning));
248	>	assertTrue(f.cancel(mayInterruptIfRunning));
249	>	assertTrue(f.cancel(!mayInterruptIfRunning));
250		checkCancelled(f);
251	<	}
251	>	}}
252
253		/**
254		* obtrudeValue forces completion with given value
#	Line 206 | Line 256 | public class CompletableFutureTest exten
256		public void testObtrudeValue() {
257		CompletableFuture<Integer> f = new CompletableFuture<>();
258		checkIncomplete(f);
259	<	f.complete(one);
259	>	assertTrue(f.complete(one));
260		checkCompletedNormally(f, one);
261		f.obtrudeValue(three);
262		checkCompletedNormally(f, three);
#	Line 215 | Line 265 | public class CompletableFutureTest exten
265		f = new CompletableFuture<>();
266		f.obtrudeValue(three);
267		checkCompletedNormally(f, three);
268	+	f.obtrudeValue(null);
269	+	checkCompletedNormally(f, null);
270		f = new CompletableFuture<>();
271		f.completeExceptionally(new CFException());
272		f.obtrudeValue(four);
#	Line 225 | Line 277 | public class CompletableFutureTest exten
277		* obtrudeException forces completion with given exception
278		*/
279		public void testObtrudeException() {
280	<	CompletableFuture<Integer> f = new CompletableFuture<>();
281	<	checkIncomplete(f);
282	<	f.complete(one);
283	<	checkCompletedNormally(f, one);
284	<	f.obtrudeException(new CFException());
233	<	checkCompletedWithWrappedCFException(f);
280	>	for (Integer v1 : new Integer[] { 1, null })
281	>	{
282	>	CFException ex;
283	>	CompletableFuture<Integer> f;
284	>
285		f = new CompletableFuture<>();
286	<	f.obtrudeException(new CFException());
287	<	checkCompletedWithWrappedCFException(f);
286	>	assertTrue(f.complete(v1));
287	>	for (int i = 0; i < 2; i++) {
288	>	f.obtrudeException(ex = new CFException());
289	>	checkCompletedExceptionally(f, ex);
290	>	}
291	>
292		f = new CompletableFuture<>();
293	<	f.completeExceptionally(new CFException());
294	<	f.obtrudeValue(four);
295	<	checkCompletedNormally(f, four);
296	<	f.obtrudeException(new CFException());
297	<	checkCompletedWithWrappedCFException(f);
298	<	}
293	>	for (int i = 0; i < 2; i++) {
294	>	f.obtrudeException(ex = new CFException());
295	>	checkCompletedExceptionally(f, ex);
296	>	}
297	>
298	>	f = new CompletableFuture<>();
299	>	f.completeExceptionally(ex = new CFException());
300	>	f.obtrudeValue(v1);
301	>	checkCompletedNormally(f, v1);
302	>	f.obtrudeException(ex = new CFException());
303	>	checkCompletedExceptionally(f, ex);
304	>	f.completeExceptionally(new CFException());
305	>	checkCompletedExceptionally(f, ex);
306	>	assertFalse(f.complete(v1));
307	>	checkCompletedExceptionally(f, ex);
308	>	}}
309
310		/**
311		* getNumberOfDependents returns number of dependent tasks
312		*/
313		public void testGetNumberOfDependents() {
314	<	CompletableFuture<Integer> f = new CompletableFuture<>();
315	<	assertEquals(f.getNumberOfDependents(), 0);
316	<	CompletableFuture g = f.thenRun(new Noop());
317	<	assertEquals(f.getNumberOfDependents(), 1);
318	<	assertEquals(g.getNumberOfDependents(), 0);
319	<	CompletableFuture h = f.thenRun(new Noop());
320	<	assertEquals(f.getNumberOfDependents(), 2);
321	<	f.complete(1);
314	>	for (ExecutionMode m : ExecutionMode.values())
315	>	for (Integer v1 : new Integer[] { 1, null })
316	>	{
317	>	CompletableFuture<Integer> f = new CompletableFuture<>();
318	>	assertEquals(0, f.getNumberOfDependents());
319	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
320	>	assertEquals(1, f.getNumberOfDependents());
321	>	assertEquals(0, g.getNumberOfDependents());
322	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
323	>	assertEquals(2, f.getNumberOfDependents());
324	>	assertEquals(0, h.getNumberOfDependents());
325	>	assertTrue(f.complete(v1));
326		checkCompletedNormally(g, null);
327	<	assertEquals(f.getNumberOfDependents(), 0);
328	<	assertEquals(g.getNumberOfDependents(), 0);
329	<	}
327	>	checkCompletedNormally(h, null);
328	>	assertEquals(0, f.getNumberOfDependents());
329	>	assertEquals(0, g.getNumberOfDependents());
330	>	assertEquals(0, h.getNumberOfDependents());
331	>	}}
332
333		/**
334		* toString indicates current completion state
#	Line 268 | Line 339 | public class CompletableFutureTest exten
339		f = new CompletableFuture<String>();
340		assertTrue(f.toString().contains("[Not completed]"));
341
342	<	f.complete("foo");
342	>	assertTrue(f.complete("foo"));
343		assertTrue(f.toString().contains("[Completed normally]"));
344
345		f = new CompletableFuture<String>();
346	<	f.completeExceptionally(new IndexOutOfBoundsException());
346	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
347		assertTrue(f.toString().contains("[Completed exceptionally]"));
348	+
349	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
350	+	f = new CompletableFuture<String>();
351	+	assertTrue(f.cancel(mayInterruptIfRunning));
352	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
353	+	}
354		}
355
356		/**
#	Line 284 | Line 361 | public class CompletableFutureTest exten
361		checkCompletedNormally(f, "test");
362		}
363
364	<	// Choose non-commutative actions for better coverage
364	>	abstract class CheckedAction {
365	>	int invocationCount = 0;
366	>	final ExecutionMode m;
367	>	CheckedAction(ExecutionMode m) { this.m = m; }
368	>	void invoked() {
369	>	m.checkExecutionMode();
370	>	assertEquals(0, invocationCount++);
371	>	}
372	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
373	>	void assertInvoked() { assertEquals(1, invocationCount); }
374	>	}
375	>
376	>	abstract class CheckedIntegerAction extends CheckedAction {
377	>	Integer value;
378	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
379	>	void assertValue(Integer expected) {
380	>	assertInvoked();
381	>	assertEquals(expected, value);
382	>	}
383	>	}
384	>
385	>	class IntegerSupplier extends CheckedAction
386	>	implements Supplier<Integer>
387	>	{
388	>	final Integer value;
389	>	IntegerSupplier(ExecutionMode m, Integer value) {
390	>	super(m);
391	>	this.value = value;
392	>	}
393	>	public Integer get() {
394	>	invoked();
395	>	return value;
396	>	}
397	>	}
398	>
399	>	// A function that handles and produces null values as well.
400	>	static Integer inc(Integer x) {
401	>	return (x == null) ? null : x + 1;
402	>	}
403	>
404	>	class NoopConsumer extends CheckedIntegerAction
405	>	implements Consumer<Integer>
406	>	{
407	>	NoopConsumer(ExecutionMode m) { super(m); }
408	>	public void accept(Integer x) {
409	>	invoked();
410	>	value = x;
411	>	}
412	>	}
413	>
414	>	class IncFunction extends CheckedIntegerAction
415	>	implements Function<Integer,Integer>
416	>	{
417	>	IncFunction(ExecutionMode m) { super(m); }
418	>	public Integer apply(Integer x) {
419	>	invoked();
420	>	return value = inc(x);
421	>	}
422	>	}
423
424	<	static final Supplier<Integer> supplyOne =
425	<	() -> Integer.valueOf(1);
426	<	static final Function<Integer, Integer> inc =
427	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
428	<	static final BiFunction<Integer, Integer, Integer> subtract =
429	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
295	<	static final class IncAction implements Consumer<Integer> {
296	<	int value;
297	<	public void accept(Integer x) { value = x.intValue() + 1; }
424	>	// Choose non-commutative actions for better coverage
425	>	// A non-commutative function that handles and produces null values as well.
426	>	static Integer subtract(Integer x, Integer y) {
427	>	return (x == null && y == null) ? null :
428	>	((x == null) ? 42 : x.intValue())
429	>	- ((y == null) ? 99 : y.intValue());
430		}
431	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
432	<	int value;
431	>
432	>	class SubtractAction extends CheckedIntegerAction
433	>	implements BiConsumer<Integer, Integer>
434	>	{
435	>	SubtractAction(ExecutionMode m) { super(m); }
436		public void accept(Integer x, Integer y) {
437	<	value = x.intValue() - y.intValue();
437	>	invoked();
438	>	value = subtract(x, y);
439		}
440		}
441	<	static final class Noop implements Runnable {
442	<	boolean ran;
443	<	public void run() { ran = true; }
441	>
442	>	class SubtractFunction extends CheckedIntegerAction
443	>	implements BiFunction<Integer, Integer, Integer>
444	>	{
445	>	SubtractFunction(ExecutionMode m) { super(m); }
446	>	public Integer apply(Integer x, Integer y) {
447	>	invoked();
448	>	return value = subtract(x, y);
449	>	}
450		}
451
452	<	static final class FailingSupplier implements Supplier<Integer> {
453	<	boolean ran;
454	<	public Integer get() { ran = true; throw new CFException(); }
452	>	class Noop extends CheckedAction implements Runnable {
453	>	Noop(ExecutionMode m) { super(m); }
454	>	public void run() {
455	>	invoked();
456	>	}
457		}
458	<	static final class FailingConsumer implements Consumer<Integer> {
459	<	boolean ran;
460	<	public void accept(Integer x) { ran = true; throw new CFException(); }
458	>
459	>	class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	FailingSupplier(ExecutionMode m) { super(m); }
463	>	public Integer get() {
464	>	invoked();
465	>	throw new CFException();
466	>	}
467		}
468	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
469	<	boolean ran;
470	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
468	>
469	>	class FailingConsumer extends CheckedIntegerAction
470	>	implements Consumer<Integer>
471	>	{
472	>	FailingConsumer(ExecutionMode m) { super(m); }
473	>	public void accept(Integer x) {
474	>	invoked();
475	>	value = x;
476	>	throw new CFException();
477	>	}
478	>	}
479	>
480	>	class FailingBiConsumer extends CheckedIntegerAction
481	>	implements BiConsumer<Integer, Integer>
482	>	{
483	>	FailingBiConsumer(ExecutionMode m) { super(m); }
484	>	public void accept(Integer x, Integer y) {
485	>	invoked();
486	>	value = subtract(x, y);
487	>	throw new CFException();
488	>	}
489		}
490	<	static final class FailingFunction implements Function<Integer, Integer> {
491	<	boolean ran;
492	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
490	>
491	>	class FailingFunction extends CheckedIntegerAction
492	>	implements Function<Integer, Integer>
493	>	{
494	>	FailingFunction(ExecutionMode m) { super(m); }
495	>	public Integer apply(Integer x) {
496	>	invoked();
497	>	value = x;
498	>	throw new CFException();
499	>	}
500		}
501	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
502	<	boolean ran;
503	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
501	>
502	>	class FailingBiFunction extends CheckedIntegerAction
503	>	implements BiFunction<Integer, Integer, Integer>
504	>	{
505	>	FailingBiFunction(ExecutionMode m) { super(m); }
506	>	public Integer apply(Integer x, Integer y) {
507	>	invoked();
508	>	value = subtract(x, y);
509	>	throw new CFException();
510	>	}
511		}
512	<	static final class FailingNoop implements Runnable {
513	<	boolean ran;
514	<	public void run() { ran = true; throw new CFException(); }
512	>
513	>	class FailingRunnable extends CheckedAction implements Runnable {
514	>	FailingRunnable(ExecutionMode m) { super(m); }
515	>	public void run() {
516	>	invoked();
517	>	throw new CFException();
518	>	}
519		}
520
521	<	static final class CompletableFutureInc
522	<	implements Function<Integer, CompletableFuture<Integer>> {
523	<	boolean ran;
521	>	class CompletableFutureInc extends CheckedIntegerAction
522	>	implements Function<Integer, CompletableFuture<Integer>>
523	>	{
524	>	CompletableFutureInc(ExecutionMode m) { super(m); }
525		public CompletableFuture<Integer> apply(Integer x) {
526	<	ran = true;
526	>	invoked();
527	>	value = x;
528		CompletableFuture<Integer> f = new CompletableFuture<>();
529	<	f.complete(Integer.valueOf(x.intValue() + 1));
529	>	assertTrue(f.complete(inc(x)));
530		return f;
531		}
532		}
533
534	<	static final class FailingCompletableFutureFunction
535	<	implements Function<Integer, CompletableFuture<Integer>> {
536	<	boolean ran;
534	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
535	>	implements Function<Integer, CompletableFuture<Integer>>
536	>	{
537	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
538		public CompletableFuture<Integer> apply(Integer x) {
539	<	ran = true; throw new CFException();
539	>	invoked();
540	>	value = x;
541	>	throw new CFException();
542		}
543		}
544
545		// Used for explicit executor tests
546		static final class ThreadExecutor implements Executor {
547	<	AtomicInteger count = new AtomicInteger(0);
547	>	final AtomicInteger count = new AtomicInteger(0);
548	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
549	>	static boolean startedCurrentThread() {
550	>	return Thread.currentThread().getThreadGroup() == tg;
551	>	}
552
553		public void execute(Runnable r) {
554		count.getAndIncrement();
555	<	new Thread(r).start();
555	>	new Thread(tg, r).start();
556		}
557		}
558
559	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
560	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
366	<	}
559	>	static final boolean defaultExecutorIsCommonPool
560	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
561
562	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
563	<	boolean ran;
564	<	public Integer apply(Integer x, Throwable t) {
565	<	ran = true;
566	<	return (t == null) ? two : three;
567	<	}
568	<	}
562	>	/**
563	>	* Permits the testing of parallel code for the 3 different
564	>	* execution modes without copy/pasting all the test methods.
565	>	*/
566	>	enum ExecutionMode {
567	>	SYNC {
568	>	public void checkExecutionMode() {
569	>	assertFalse(ThreadExecutor.startedCurrentThread());
570	>	assertNull(ForkJoinTask.getPool());
571	>	}
572	>	public CompletableFuture<Void> runAsync(Runnable a) {
573	>	throw new UnsupportedOperationException();
574	>	}
575	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
576	>	throw new UnsupportedOperationException();
577	>	}
578	>	public <T> CompletableFuture<Void> thenRun
579	>	(CompletableFuture<T> f, Runnable a) {
580	>	return f.thenRun(a);
581	>	}
582	>	public <T> CompletableFuture<Void> thenAccept
583	>	(CompletableFuture<T> f, Consumer<? super T> a) {
584	>	return f.thenAccept(a);
585	>	}
586	>	public <T,U> CompletableFuture<U> thenApply
587	>	(CompletableFuture<T> f, Function<? super T,U> a) {
588	>	return f.thenApply(a);
589	>	}
590	>	public <T,U> CompletableFuture<U> thenCompose
591	>	(CompletableFuture<T> f,
592	>	Function<? super T,? extends CompletionStage<U>> a) {
593	>	return f.thenCompose(a);
594	>	}
595	>	public <T,U> CompletableFuture<U> handle
596	>	(CompletableFuture<T> f,
597	>	BiFunction<? super T,Throwable,? extends U> a) {
598	>	return f.handle(a);
599	>	}
600	>	public <T> CompletableFuture<T> whenComplete
601	>	(CompletableFuture<T> f,
602	>	BiConsumer<? super T,? super Throwable> a) {
603	>	return f.whenComplete(a);
604	>	}
605	>	public <T,U> CompletableFuture<Void> runAfterBoth
606	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
607	>	return f.runAfterBoth(g, a);
608	>	}
609	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
610	>	(CompletableFuture<T> f,
611	>	CompletionStage<? extends U> g,
612	>	BiConsumer<? super T,? super U> a) {
613	>	return f.thenAcceptBoth(g, a);
614	>	}
615	>	public <T,U,V> CompletableFuture<V> thenCombine
616	>	(CompletableFuture<T> f,
617	>	CompletionStage<? extends U> g,
618	>	BiFunction<? super T,? super U,? extends V> a) {
619	>	return f.thenCombine(g, a);
620	>	}
621	>	public <T> CompletableFuture<Void> runAfterEither
622	>	(CompletableFuture<T> f,
623	>	CompletionStage<?> g,
624	>	java.lang.Runnable a) {
625	>	return f.runAfterEither(g, a);
626	>	}
627	>	public <T> CompletableFuture<Void> acceptEither
628	>	(CompletableFuture<T> f,
629	>	CompletionStage<? extends T> g,
630	>	Consumer<? super T> a) {
631	>	return f.acceptEither(g, a);
632	>	}
633	>	public <T,U> CompletableFuture<U> applyToEither
634	>	(CompletableFuture<T> f,
635	>	CompletionStage<? extends T> g,
636	>	Function<? super T,U> a) {
637	>	return f.applyToEither(g, a);
638	>	}
639	>	},
640	>
641	>	ASYNC {
642	>	public void checkExecutionMode() {
643	>	assertEquals(defaultExecutorIsCommonPool,
644	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
645	>	}
646	>	public CompletableFuture<Void> runAsync(Runnable a) {
647	>	return CompletableFuture.runAsync(a);
648	>	}
649	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
650	>	return CompletableFuture.supplyAsync(a);
651	>	}
652	>	public <T> CompletableFuture<Void> thenRun
653	>	(CompletableFuture<T> f, Runnable a) {
654	>	return f.thenRunAsync(a);
655	>	}
656	>	public <T> CompletableFuture<Void> thenAccept
657	>	(CompletableFuture<T> f, Consumer<? super T> a) {
658	>	return f.thenAcceptAsync(a);
659	>	}
660	>	public <T,U> CompletableFuture<U> thenApply
661	>	(CompletableFuture<T> f, Function<? super T,U> a) {
662	>	return f.thenApplyAsync(a);
663	>	}
664	>	public <T,U> CompletableFuture<U> thenCompose
665	>	(CompletableFuture<T> f,
666	>	Function<? super T,? extends CompletionStage<U>> a) {
667	>	return f.thenComposeAsync(a);
668	>	}
669	>	public <T,U> CompletableFuture<U> handle
670	>	(CompletableFuture<T> f,
671	>	BiFunction<? super T,Throwable,? extends U> a) {
672	>	return f.handleAsync(a);
673	>	}
674	>	public <T> CompletableFuture<T> whenComplete
675	>	(CompletableFuture<T> f,
676	>	BiConsumer<? super T,? super Throwable> a) {
677	>	return f.whenCompleteAsync(a);
678	>	}
679	>	public <T,U> CompletableFuture<Void> runAfterBoth
680	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
681	>	return f.runAfterBothAsync(g, a);
682	>	}
683	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
684	>	(CompletableFuture<T> f,
685	>	CompletionStage<? extends U> g,
686	>	BiConsumer<? super T,? super U> a) {
687	>	return f.thenAcceptBothAsync(g, a);
688	>	}
689	>	public <T,U,V> CompletableFuture<V> thenCombine
690	>	(CompletableFuture<T> f,
691	>	CompletionStage<? extends U> g,
692	>	BiFunction<? super T,? super U,? extends V> a) {
693	>	return f.thenCombineAsync(g, a);
694	>	}
695	>	public <T> CompletableFuture<Void> runAfterEither
696	>	(CompletableFuture<T> f,
697	>	CompletionStage<?> g,
698	>	java.lang.Runnable a) {
699	>	return f.runAfterEitherAsync(g, a);
700	>	}
701	>	public <T> CompletableFuture<Void> acceptEither
702	>	(CompletableFuture<T> f,
703	>	CompletionStage<? extends T> g,
704	>	Consumer<? super T> a) {
705	>	return f.acceptEitherAsync(g, a);
706	>	}
707	>	public <T,U> CompletableFuture<U> applyToEither
708	>	(CompletableFuture<T> f,
709	>	CompletionStage<? extends T> g,
710	>	Function<? super T,U> a) {
711	>	return f.applyToEitherAsync(g, a);
712	>	}
713	>	},
714	>
715	>	EXECUTOR {
716	>	public void checkExecutionMode() {
717	>	assertTrue(ThreadExecutor.startedCurrentThread());
718	>	}
719	>	public CompletableFuture<Void> runAsync(Runnable a) {
720	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
721	>	}
722	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
723	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
724	>	}
725	>	public <T> CompletableFuture<Void> thenRun
726	>	(CompletableFuture<T> f, Runnable a) {
727	>	return f.thenRunAsync(a, new ThreadExecutor());
728	>	}
729	>	public <T> CompletableFuture<Void> thenAccept
730	>	(CompletableFuture<T> f, Consumer<? super T> a) {
731	>	return f.thenAcceptAsync(a, new ThreadExecutor());
732	>	}
733	>	public <T,U> CompletableFuture<U> thenApply
734	>	(CompletableFuture<T> f, Function<? super T,U> a) {
735	>	return f.thenApplyAsync(a, new ThreadExecutor());
736	>	}
737	>	public <T,U> CompletableFuture<U> thenCompose
738	>	(CompletableFuture<T> f,
739	>	Function<? super T,? extends CompletionStage<U>> a) {
740	>	return f.thenComposeAsync(a, new ThreadExecutor());
741	>	}
742	>	public <T,U> CompletableFuture<U> handle
743	>	(CompletableFuture<T> f,
744	>	BiFunction<? super T,Throwable,? extends U> a) {
745	>	return f.handleAsync(a, new ThreadExecutor());
746	>	}
747	>	public <T> CompletableFuture<T> whenComplete
748	>	(CompletableFuture<T> f,
749	>	BiConsumer<? super T,? super Throwable> a) {
750	>	return f.whenCompleteAsync(a, new ThreadExecutor());
751	>	}
752	>	public <T,U> CompletableFuture<Void> runAfterBoth
753	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
754	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
755	>	}
756	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
757	>	(CompletableFuture<T> f,
758	>	CompletionStage<? extends U> g,
759	>	BiConsumer<? super T,? super U> a) {
760	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
761	>	}
762	>	public <T,U,V> CompletableFuture<V> thenCombine
763	>	(CompletableFuture<T> f,
764	>	CompletionStage<? extends U> g,
765	>	BiFunction<? super T,? super U,? extends V> a) {
766	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
767	>	}
768	>	public <T> CompletableFuture<Void> runAfterEither
769	>	(CompletableFuture<T> f,
770	>	CompletionStage<?> g,
771	>	java.lang.Runnable a) {
772	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
773	>	}
774	>	public <T> CompletableFuture<Void> acceptEither
775	>	(CompletableFuture<T> f,
776	>	CompletionStage<? extends T> g,
777	>	Consumer<? super T> a) {
778	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
779	>	}
780	>	public <T,U> CompletableFuture<U> applyToEither
781	>	(CompletableFuture<T> f,
782	>	CompletionStage<? extends T> g,
783	>	Function<? super T,U> a) {
784	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
785	>	}
786	>	};
787	>
788	>	public abstract void checkExecutionMode();
789	>	public abstract CompletableFuture<Void> runAsync(Runnable a);
790	>	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
791	>	public abstract <T> CompletableFuture<Void> thenRun
792	>	(CompletableFuture<T> f, Runnable a);
793	>	public abstract <T> CompletableFuture<Void> thenAccept
794	>	(CompletableFuture<T> f, Consumer<? super T> a);
795	>	public abstract <T,U> CompletableFuture<U> thenApply
796	>	(CompletableFuture<T> f, Function<? super T,U> a);
797	>	public abstract <T,U> CompletableFuture<U> thenCompose
798	>	(CompletableFuture<T> f,
799	>	Function<? super T,? extends CompletionStage<U>> a);
800	>	public abstract <T,U> CompletableFuture<U> handle
801	>	(CompletableFuture<T> f,
802	>	BiFunction<? super T,Throwable,? extends U> a);
803	>	public abstract <T> CompletableFuture<T> whenComplete
804	>	(CompletableFuture<T> f,
805	>	BiConsumer<? super T,? super Throwable> a);
806	>	public abstract <T,U> CompletableFuture<Void> runAfterBoth
807	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
808	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
809	>	(CompletableFuture<T> f,
810	>	CompletionStage<? extends U> g,
811	>	BiConsumer<? super T,? super U> a);
812	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
813	>	(CompletableFuture<T> f,
814	>	CompletionStage<? extends U> g,
815	>	BiFunction<? super T,? super U,? extends V> a);
816	>	public abstract <T> CompletableFuture<Void> runAfterEither
817	>	(CompletableFuture<T> f,
818	>	CompletionStage<?> g,
819	>	java.lang.Runnable a);
820	>	public abstract <T> CompletableFuture<Void> acceptEither
821	>	(CompletableFuture<T> f,
822	>	CompletionStage<? extends T> g,
823	>	Consumer<? super T> a);
824	>	public abstract <T,U> CompletableFuture<U> applyToEither
825	>	(CompletableFuture<T> f,
826	>	CompletionStage<? extends T> g,
827	>	Function<? super T,U> a);
828	>	}
829	>
830	>	/**
831	>	* exceptionally action is not invoked when source completes
832	>	* normally, and source result is propagated
833	>	*/
834	>	public void testExceptionally_normalCompletion() {
835	>	for (boolean createIncomplete : new boolean[] { true, false })
836	>	for (Integer v1 : new Integer[] { 1, null })
837	>	{
838	>	final AtomicInteger a = new AtomicInteger(0);
839	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
840	>	if (!createIncomplete) assertTrue(f.complete(v1));
841	>	final CompletableFuture<Integer> g = f.exceptionally
842	>	((Throwable t) -> {
843	>	a.getAndIncrement();
844	>	threadFail("should not be called");
845	>	return null;            // unreached
846	>	});
847	>	if (createIncomplete) assertTrue(f.complete(v1));
848	>
849	>	checkCompletedNormally(g, v1);
850	>	checkCompletedNormally(f, v1);
851	>	assertEquals(0, a.get());
852	>	}}
853
854		/**
855		* exceptionally action completes with function value on source
856	<	* exception; otherwise with source value
856	>	* exception
857		*/
858	<	public void testExceptionally() {
859	<	CompletableFuture<Integer> f = new CompletableFuture<>();
860	<	ExceptionToInteger r = new ExceptionToInteger();
861	<	CompletableFuture<Integer> g = f.exceptionally(r);
862	<	f.completeExceptionally(new CFException());
863	<	checkCompletedNormally(g, three);
858	>	public void testExceptionally_exceptionalCompletion() {
859	>	for (boolean createIncomplete : new boolean[] { true, false })
860	>	for (Integer v1 : new Integer[] { 1, null })
861	>	{
862	>	final AtomicInteger a = new AtomicInteger(0);
863	>	final CFException ex = new CFException();
864	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
865	>	if (!createIncomplete) f.completeExceptionally(ex);
866	>	final CompletableFuture<Integer> g = f.exceptionally
867	>	((Throwable t) -> {
868	>	ExecutionMode.SYNC.checkExecutionMode();
869	>	threadAssertSame(t, ex);
870	>	a.getAndIncrement();
871	>	return v1;
872	>	});
873	>	if (createIncomplete) f.completeExceptionally(ex);
874	>
875	>	checkCompletedNormally(g, v1);
876	>	assertEquals(1, a.get());
877	>	}}
878	>
879	>	/**
880	>	* If an "exceptionally action" throws an exception, it completes
881	>	* exceptionally with that exception
882	>	*/
883	>	public void testExceptionally_exceptionalCompletionActionFailed() {
884	>	for (boolean createIncomplete : new boolean[] { true, false })
885	>	{
886	>	final AtomicInteger a = new AtomicInteger(0);
887	>	final CFException ex1 = new CFException();
888	>	final CFException ex2 = new CFException();
889	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
890	>	if (!createIncomplete) f.completeExceptionally(ex1);
891	>	final CompletableFuture<Integer> g = f.exceptionally
892	>	((Throwable t) -> {
893	>	ExecutionMode.SYNC.checkExecutionMode();
894	>	threadAssertSame(t, ex1);
895	>	a.getAndIncrement();
896	>	throw ex2;
897	>	});
898	>	if (createIncomplete) f.completeExceptionally(ex1);
899	>
900	>	checkCompletedWithWrappedException(g, ex2);
901	>	checkCompletedExceptionally(f, ex1);
902	>	assertEquals(1, a.get());
903	>	}}
904
905	<	f = new CompletableFuture<>();
906	<	r = new ExceptionToInteger();
907	<	g = f.exceptionally(r);
908	<	f.complete(one);
909	<	checkCompletedNormally(g, one);
910	<	}
905	>	/**
906	>	* whenComplete action executes on normal completion, propagating
907	>	* source result.
908	>	*/
909	>	public void testWhenComplete_normalCompletion() {
910	>	for (ExecutionMode m : ExecutionMode.values())
911	>	for (boolean createIncomplete : new boolean[] { true, false })
912	>	for (Integer v1 : new Integer[] { 1, null })
913	>	{
914	>	final AtomicInteger a = new AtomicInteger(0);
915	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
916	>	if (!createIncomplete) assertTrue(f.complete(v1));
917	>	final CompletableFuture<Integer> g = m.whenComplete
918	>	(f,
919	>	(Integer result, Throwable t) -> {
920	>	m.checkExecutionMode();
921	>	threadAssertSame(result, v1);
922	>	threadAssertNull(t);
923	>	a.getAndIncrement();
924	>	});
925	>	if (createIncomplete) assertTrue(f.complete(v1));
926	>
927	>	checkCompletedNormally(g, v1);
928	>	checkCompletedNormally(f, v1);
929	>	assertEquals(1, a.get());
930	>	}}
931
932		/**
933	<	* handle action completes normally with function value on either
934	<	* normal or exceptional completion of source
933	>	* whenComplete action executes on exceptional completion, propagating
934	>	* source result.
935		*/
936	<	public void testHandle() {
937	<	CompletableFuture<Integer> f, g;
938	<	IntegerHandler r;
936	>	public void testWhenComplete_exceptionalCompletion() {
937	>	for (ExecutionMode m : ExecutionMode.values())
938	>	for (boolean createIncomplete : new boolean[] { true, false })
939	>	{
940	>	final AtomicInteger a = new AtomicInteger(0);
941	>	final CFException ex = new CFException();
942	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
943	>	if (!createIncomplete) f.completeExceptionally(ex);
944	>	final CompletableFuture<Integer> g = m.whenComplete
945	>	(f,
946	>	(Integer result, Throwable t) -> {
947	>	m.checkExecutionMode();
948	>	threadAssertNull(result);
949	>	threadAssertSame(t, ex);
950	>	a.getAndIncrement();
951	>	});
952	>	if (createIncomplete) f.completeExceptionally(ex);
953	>
954	>	checkCompletedWithWrappedException(g, ex);
955	>	checkCompletedExceptionally(f, ex);
956	>	assertEquals(1, a.get());
957	>	}}
958	>
959	>	/**
960	>	* whenComplete action executes on cancelled source, propagating
961	>	* CancellationException.
962	>	*/
963	>	public void testWhenComplete_sourceCancelled() {
964	>	for (ExecutionMode m : ExecutionMode.values())
965	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
966	>	for (boolean createIncomplete : new boolean[] { true, false })
967	>	{
968	>	final AtomicInteger a = new AtomicInteger(0);
969	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
970	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
971	>	final CompletableFuture<Integer> g = m.whenComplete
972	>	(f,
973	>	(Integer result, Throwable t) -> {
974	>	m.checkExecutionMode();
975	>	threadAssertNull(result);
976	>	threadAssertTrue(t instanceof CancellationException);
977	>	a.getAndIncrement();
978	>	});
979	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
980
981	<	f = new CompletableFuture<>();
982	<	f.completeExceptionally(new CFException());
983	<	g = f.handle(r = new IntegerHandler());
984	<	assertTrue(r.ran);
406	<	checkCompletedNormally(g, three);
981	>	checkCompletedWithWrappedCancellationException(g);
982	>	checkCancelled(f);
983	>	assertEquals(1, a.get());
984	>	}}
985
986	<	f = new CompletableFuture<>();
987	<	g = f.handle(r = new IntegerHandler());
988	<	assertFalse(r.ran);
989	<	f.completeExceptionally(new CFException());
990	<	checkCompletedNormally(g, three);
991	<	assertTrue(r.ran);
986	>	/**
987	>	* If a whenComplete action throws an exception when triggered by
988	>	* a normal completion, it completes exceptionally
989	>	*/
990	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
991	>	for (boolean createIncomplete : new boolean[] { true, false })
992	>	for (ExecutionMode m : ExecutionMode.values())
993	>	for (Integer v1 : new Integer[] { 1, null })
994	>	{
995	>	final AtomicInteger a = new AtomicInteger(0);
996	>	final CFException ex = new CFException();
997	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
998	>	if (!createIncomplete) assertTrue(f.complete(v1));
999	>	final CompletableFuture<Integer> g = m.whenComplete
1000	>	(f,
1001	>	(Integer result, Throwable t) -> {
1002	>	m.checkExecutionMode();
1003	>	threadAssertSame(result, v1);
1004	>	threadAssertNull(t);
1005	>	a.getAndIncrement();
1006	>	throw ex;
1007	>	});
1008	>	if (createIncomplete) assertTrue(f.complete(v1));
1009	>
1010	>	checkCompletedWithWrappedException(g, ex);
1011	>	checkCompletedNormally(f, v1);
1012	>	assertEquals(1, a.get());
1013	>	}}
1014
1015	<	f = new CompletableFuture<>();
1016	<	f.complete(one);
1017	<	g = f.handle(r = new IntegerHandler());
1018	<	assertTrue(r.ran);
1019	<	checkCompletedNormally(g, two);
1015	>	/**
1016	>	* If a whenComplete action throws an exception when triggered by
1017	>	* a source completion that also throws an exception, the source
1018	>	* exception takes precedence (unlike handle)
1019	>	*/
1020	>	public void testWhenComplete_sourceFailedActionFailed() {
1021	>	for (boolean createIncomplete : new boolean[] { true, false })
1022	>	for (ExecutionMode m : ExecutionMode.values())
1023	>	{
1024	>	final AtomicInteger a = new AtomicInteger(0);
1025	>	final CFException ex1 = new CFException();
1026	>	final CFException ex2 = new CFException();
1027	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1028	>
1029	>	if (!createIncomplete) f.completeExceptionally(ex1);
1030	>	final CompletableFuture<Integer> g = m.whenComplete
1031	>	(f,
1032	>	(Integer result, Throwable t) -> {
1033	>	m.checkExecutionMode();
1034	>	threadAssertSame(t, ex1);
1035	>	threadAssertNull(result);
1036	>	a.getAndIncrement();
1037	>	throw ex2;
1038	>	});
1039	>	if (createIncomplete) f.completeExceptionally(ex1);
1040	>
1041	>	checkCompletedWithWrappedException(g, ex1);
1042	>	checkCompletedExceptionally(f, ex1);
1043	>	assertEquals(1, ex1.getSuppressed().length);
1044	>	assertSame(ex2, ex1.getSuppressed()[0]);
1045	>	assertEquals(1, a.get());
1046	>	}}
1047	>
1048	>	/**
1049	>	* handle action completes normally with function value on normal
1050	>	* completion of source
1051	>	*/
1052	>	public void testHandle_normalCompletion() {
1053	>	for (ExecutionMode m : ExecutionMode.values())
1054	>	for (boolean createIncomplete : new boolean[] { true, false })
1055	>	for (Integer v1 : new Integer[] { 1, null })
1056	>	{
1057	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1058	>	final AtomicInteger a = new AtomicInteger(0);
1059	>	if (!createIncomplete) assertTrue(f.complete(v1));
1060	>	final CompletableFuture<Integer> g = m.handle
1061	>	(f,
1062	>	(Integer result, Throwable t) -> {
1063	>	m.checkExecutionMode();
1064	>	threadAssertSame(result, v1);
1065	>	threadAssertNull(t);
1066	>	a.getAndIncrement();
1067	>	return inc(v1);
1068	>	});
1069	>	if (createIncomplete) assertTrue(f.complete(v1));
1070	>
1071	>	checkCompletedNormally(g, inc(v1));
1072	>	checkCompletedNormally(f, v1);
1073	>	assertEquals(1, a.get());
1074	>	}}
1075
1076	<	f = new CompletableFuture<>();
1077	<	g = f.handle(r = new IntegerHandler());
1078	<	assertFalse(r.ran);
1079	<	f.complete(one);
1080	<	assertTrue(r.ran);
1081	<	checkCompletedNormally(g, two);
1082	<	}
1076	>	/**
1077	>	* handle action completes normally with function value on
1078	>	* exceptional completion of source
1079	>	*/
1080	>	public void testHandle_exceptionalCompletion() {
1081	>	for (ExecutionMode m : ExecutionMode.values())
1082	>	for (boolean createIncomplete : new boolean[] { true, false })
1083	>	for (Integer v1 : new Integer[] { 1, null })
1084	>	{
1085	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1086	>	final AtomicInteger a = new AtomicInteger(0);
1087	>	final CFException ex = new CFException();
1088	>	if (!createIncomplete) f.completeExceptionally(ex);
1089	>	final CompletableFuture<Integer> g = m.handle
1090	>	(f,
1091	>	(Integer result, Throwable t) -> {
1092	>	m.checkExecutionMode();
1093	>	threadAssertNull(result);
1094	>	threadAssertSame(t, ex);
1095	>	a.getAndIncrement();
1096	>	return v1;
1097	>	});
1098	>	if (createIncomplete) f.completeExceptionally(ex);
1099	>
1100	>	checkCompletedNormally(g, v1);
1101	>	checkCompletedExceptionally(f, ex);
1102	>	assertEquals(1, a.get());
1103	>	}}
1104	>
1105	>	/**
1106	>	* handle action completes normally with function value on
1107	>	* cancelled source
1108	>	*/
1109	>	public void testHandle_sourceCancelled() {
1110	>	for (ExecutionMode m : ExecutionMode.values())
1111	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1112	>	for (boolean createIncomplete : new boolean[] { true, false })
1113	>	for (Integer v1 : new Integer[] { 1, null })
1114	>	{
1115	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1116	>	final AtomicInteger a = new AtomicInteger(0);
1117	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1118	>	final CompletableFuture<Integer> g = m.handle
1119	>	(f,
1120	>	(Integer result, Throwable t) -> {
1121	>	m.checkExecutionMode();
1122	>	threadAssertNull(result);
1123	>	threadAssertTrue(t instanceof CancellationException);
1124	>	a.getAndIncrement();
1125	>	return v1;
1126	>	});
1127	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1128	>
1129	>	checkCompletedNormally(g, v1);
1130	>	checkCancelled(f);
1131	>	assertEquals(1, a.get());
1132	>	}}
1133
1134		/**
1135	<	* runAsync completes after running Runnable
1135	>	* If a "handle action" throws an exception when triggered by
1136	>	* a normal completion, it completes exceptionally
1137		*/
1138	<	public void testRunAsync() {
1139	<	Noop r = new Noop();
1140	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1141	<	assertNull(f.join());
1142	<	assertTrue(r.ran);
1143	<	checkCompletedNormally(f, null);
1144	<	}
1138	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1139	>	for (ExecutionMode m : ExecutionMode.values())
1140	>	for (boolean createIncomplete : new boolean[] { true, false })
1141	>	for (Integer v1 : new Integer[] { 1, null })
1142	>	{
1143	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1144	>	final AtomicInteger a = new AtomicInteger(0);
1145	>	final CFException ex = new CFException();
1146	>	if (!createIncomplete) assertTrue(f.complete(v1));
1147	>	final CompletableFuture<Integer> g = m.handle
1148	>	(f,
1149	>	(Integer result, Throwable t) -> {
1150	>	m.checkExecutionMode();
1151	>	threadAssertSame(result, v1);
1152	>	threadAssertNull(t);
1153	>	a.getAndIncrement();
1154	>	throw ex;
1155	>	});
1156	>	if (createIncomplete) assertTrue(f.complete(v1));
1157	>
1158	>	checkCompletedWithWrappedException(g, ex);
1159	>	checkCompletedNormally(f, v1);
1160	>	assertEquals(1, a.get());
1161	>	}}
1162	>
1163	>	/**
1164	>	* If a "handle action" throws an exception when triggered by
1165	>	* a source completion that also throws an exception, the action
1166	>	* exception takes precedence (unlike whenComplete)
1167	>	*/
1168	>	public void testHandle_sourceFailedActionFailed() {
1169	>	for (boolean createIncomplete : new boolean[] { true, false })
1170	>	for (ExecutionMode m : ExecutionMode.values())
1171	>	{
1172	>	final AtomicInteger a = new AtomicInteger(0);
1173	>	final CFException ex1 = new CFException();
1174	>	final CFException ex2 = new CFException();
1175	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1176	>
1177	>	if (!createIncomplete) f.completeExceptionally(ex1);
1178	>	final CompletableFuture<Integer> g = m.handle
1179	>	(f,
1180	>	(Integer result, Throwable t) -> {
1181	>	m.checkExecutionMode();
1182	>	threadAssertNull(result);
1183	>	threadAssertSame(ex1, t);
1184	>	a.getAndIncrement();
1185	>	throw ex2;
1186	>	});
1187	>	if (createIncomplete) f.completeExceptionally(ex1);
1188	>
1189	>	checkCompletedWithWrappedException(g, ex2);
1190	>	checkCompletedExceptionally(f, ex1);
1191	>	assertEquals(1, a.get());
1192	>	}}
1193
1194		/**
1195	<	* runAsync with executor completes after running Runnable
1195	>	* runAsync completes after running Runnable
1196		*/
1197	<	public void testRunAsync2() {
1198	<	Noop r = new Noop();
1199	<	ThreadExecutor exec = new ThreadExecutor();
1200	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
1197	>	public void testRunAsync_normalCompletion() {
1198	>	ExecutionMode[] executionModes = {
1199	>	ExecutionMode.ASYNC,
1200	>	ExecutionMode.EXECUTOR,
1201	>	};
1202	>	for (ExecutionMode m : executionModes)
1203	>	{
1204	>	final Noop r = new Noop(m);
1205	>	final CompletableFuture<Void> f = m.runAsync(r);
1206		assertNull(f.join());
448	–	assertTrue(r.ran);
1207		checkCompletedNormally(f, null);
1208	<	assertEquals(1, exec.count.get());
1209	<	}
1208	>	r.assertInvoked();
1209	>	}}
1210
1211		/**
1212		* failing runAsync completes exceptionally after running Runnable
1213		*/
1214	<	public void testRunAsync3() {
1215	<	FailingNoop r = new FailingNoop();
1216	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1214	>	public void testRunAsync_exceptionalCompletion() {
1215	>	ExecutionMode[] executionModes = {
1216	>	ExecutionMode.ASYNC,
1217	>	ExecutionMode.EXECUTOR,
1218	>	};
1219	>	for (ExecutionMode m : executionModes)
1220	>	{
1221	>	final FailingRunnable r = new FailingRunnable(m);
1222	>	final CompletableFuture<Void> f = m.runAsync(r);
1223		checkCompletedWithWrappedCFException(f);
1224	<	assertTrue(r.ran);
1225	<	}
1224	>	r.assertInvoked();
1225	>	}}
1226
1227		/**
1228		* supplyAsync completes with result of supplier
1229		*/
1230	<	public void testSupplyAsync() {
1231	<	CompletableFuture<Integer> f;
1232	<	f = CompletableFuture.supplyAsync(supplyOne);
1233	<	assertEquals(f.join(), one);
1234	<	checkCompletedNormally(f, one);
1235	<	}
1236	<
1237	<	/**
1238	<	* supplyAsync with executor completes with result of supplier
1239	<	*/
1240	<	public void testSupplyAsync2() {
1241	<	CompletableFuture<Integer> f;
1242	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1243	<	assertEquals(f.join(), one);
480	<	checkCompletedNormally(f, one);
481	<	}
1230	>	public void testSupplyAsync_normalCompletion() {
1231	>	ExecutionMode[] executionModes = {
1232	>	ExecutionMode.ASYNC,
1233	>	ExecutionMode.EXECUTOR,
1234	>	};
1235	>	for (ExecutionMode m : executionModes)
1236	>	for (Integer v1 : new Integer[] { 1, null })
1237	>	{
1238	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1239	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1240	>	assertSame(v1, f.join());
1241	>	checkCompletedNormally(f, v1);
1242	>	r.assertInvoked();
1243	>	}}
1244
1245		/**
1246		* Failing supplyAsync completes exceptionally
1247		*/
1248	<	public void testSupplyAsync3() {
1249	<	FailingSupplier r = new FailingSupplier();
1250	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1248	>	public void testSupplyAsync_exceptionalCompletion() {
1249	>	ExecutionMode[] executionModes = {
1250	>	ExecutionMode.ASYNC,
1251	>	ExecutionMode.EXECUTOR,
1252	>	};
1253	>	for (ExecutionMode m : executionModes)
1254	>	{
1255	>	FailingSupplier r = new FailingSupplier(m);
1256	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1257		checkCompletedWithWrappedCFException(f);
1258	<	assertTrue(r.ran);
1259	<	}
1258	>	r.assertInvoked();
1259	>	}}
1260
1261		// seq completion methods
1262
1263		/**
1264		* thenRun result completes normally after normal completion of source
1265		*/
1266	<	public void testThenRun() {
1267	<	CompletableFuture<Integer> f;
1268	<	CompletableFuture<Void> g;
1269	<	Noop r;
1270	<
1271	<	f = new CompletableFuture<>();
1272	<	g = f.thenRun(r = new Noop());
1273	<	f.complete(null);
1274	<	checkCompletedNormally(g, null);
1275	<	assertTrue(r.ran);
1276	<
1277	<	f = new CompletableFuture<>();
1278	<	f.complete(null);
1279	<	g = f.thenRun(r = new Noop());
1280	<	checkCompletedNormally(g, null);
1281	<	assertTrue(r.ran);
1282	<	}
1266	>	public void testThenRun_normalCompletion() {
1267	>	for (ExecutionMode m : ExecutionMode.values())
1268	>	for (Integer v1 : new Integer[] { 1, null })
1269	>	{
1270	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1271	>	final Noop[] rs = new Noop[6];
1272	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1273	>
1274	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1275	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1276	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1277	>	checkIncomplete(h0);
1278	>	checkIncomplete(h1);
1279	>	checkIncomplete(h2);
1280	>	assertTrue(f.complete(v1));
1281	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1282	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1283	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1284	>
1285	>	checkCompletedNormally(h0, null);
1286	>	checkCompletedNormally(h1, null);
1287	>	checkCompletedNormally(h2, null);
1288	>	checkCompletedNormally(h3, null);
1289	>	checkCompletedNormally(h4, null);
1290	>	checkCompletedNormally(h5, null);
1291	>	checkCompletedNormally(f, v1);
1292	>	for (Noop r : rs) r.assertInvoked();
1293	>	}}
1294
1295		/**
1296		* thenRun result completes exceptionally after exceptional
1297		* completion of source
1298		*/
1299	<	public void testThenRun2() {
1300	<	CompletableFuture<Integer> f;
1301	<	CompletableFuture<Void> g;
1302	<	Noop r;
1303	<
1304	<	f = new CompletableFuture<>();
1305	<	g = f.thenRun(r = new Noop());
1306	<	f.completeExceptionally(new CFException());
1307	<	checkCompletedWithWrappedCFException(g);
1308	<	assertFalse(r.ran);
1309	<
1310	<	f = new CompletableFuture<>();
1311	<	f.completeExceptionally(new CFException());
1312	<	g = f.thenRun(r = new Noop());
1313	<	checkCompletedWithWrappedCFException(g);
1314	<	assertFalse(r.ran);
1315	<	}
1299	>	public void testThenRun_exceptionalCompletion() {
1300	>	for (ExecutionMode m : ExecutionMode.values())
1301	>	{
1302	>	final CFException ex = new CFException();
1303	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1304	>	final Noop[] rs = new Noop[6];
1305	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1306	>
1307	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1308	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1309	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1310	>	checkIncomplete(h0);
1311	>	checkIncomplete(h1);
1312	>	checkIncomplete(h2);
1313	>	assertTrue(f.completeExceptionally(ex));
1314	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1315	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1316	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1317	>
1318	>	checkCompletedWithWrappedException(h0, ex);
1319	>	checkCompletedWithWrappedException(h1, ex);
1320	>	checkCompletedWithWrappedException(h2, ex);
1321	>	checkCompletedWithWrappedException(h3, ex);
1322	>	checkCompletedWithWrappedException(h4, ex);
1323	>	checkCompletedWithWrappedException(h5, ex);
1324	>	checkCompletedExceptionally(f, ex);
1325	>	for (Noop r : rs) r.assertNotInvoked();
1326	>	}}
1327
1328		/**
1329	<	* thenRun result completes exceptionally if action does
1329	>	* thenRun result completes exceptionally if source cancelled
1330		*/
1331	<	public void testThenRun3() {
1332	<	CompletableFuture<Integer> f;
1333	<	CompletableFuture<Void> g;
1334	<	FailingNoop r;
1335	<
1336	<	f = new CompletableFuture<>();
1337	<	g = f.thenRun(r = new FailingNoop());
1338	<	f.complete(null);
1339	<	checkCompletedWithWrappedCFException(g);
1340	<
1341	<	f = new CompletableFuture<>();
1342	<	f.complete(null);
1343	<	g = f.thenRun(r = new FailingNoop());
1344	<	checkCompletedWithWrappedCFException(g);
1345	<	}
1331	>	public void testThenRun_sourceCancelled() {
1332	>	for (ExecutionMode m : ExecutionMode.values())
1333	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1334	>	{
1335	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1336	>	final Noop[] rs = new Noop[6];
1337	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1338	>
1339	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1340	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1341	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1342	>	checkIncomplete(h0);
1343	>	checkIncomplete(h1);
1344	>	checkIncomplete(h2);
1345	>	assertTrue(f.cancel(mayInterruptIfRunning));
1346	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1347	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1348	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1349	>
1350	>	checkCompletedWithWrappedCancellationException(h0);
1351	>	checkCompletedWithWrappedCancellationException(h1);
1352	>	checkCompletedWithWrappedCancellationException(h2);
1353	>	checkCompletedWithWrappedCancellationException(h3);
1354	>	checkCompletedWithWrappedCancellationException(h4);
1355	>	checkCompletedWithWrappedCancellationException(h5);
1356	>	checkCancelled(f);
1357	>	for (Noop r : rs) r.assertNotInvoked();
1358	>	}}
1359
1360		/**
1361	<	* thenRun result completes exceptionally if source cancelled
1361	>	* thenRun result completes exceptionally if action does
1362		*/
1363	<	public void testThenRun4() {
1364	<	CompletableFuture<Integer> f;
1365	<	CompletableFuture<Void> g;
1366	<	Noop r;
1367	<
1368	<	f = new CompletableFuture<>();
1369	<	g = f.thenRun(r = new Noop());
1370	<	assertTrue(f.cancel(true));
1371	<	checkCompletedWithWrappedCancellationException(g);
1372	<
1373	<	f = new CompletableFuture<>();
1374	<	assertTrue(f.cancel(true));
1375	<	g = f.thenRun(r = new Noop());
1376	<	checkCompletedWithWrappedCancellationException(g);
1377	<	}
1363	>	public void testThenRun_actionFailed() {
1364	>	for (ExecutionMode m : ExecutionMode.values())
1365	>	for (Integer v1 : new Integer[] { 1, null })
1366	>	{
1367	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1368	>	final FailingRunnable[] rs = new FailingRunnable[6];
1369	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1370	>
1371	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1372	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1373	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1374	>	assertTrue(f.complete(v1));
1375	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1376	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1377	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1378	>
1379	>	checkCompletedWithWrappedCFException(h0);
1380	>	checkCompletedWithWrappedCFException(h1);
1381	>	checkCompletedWithWrappedCFException(h2);
1382	>	checkCompletedWithWrappedCFException(h3);
1383	>	checkCompletedWithWrappedCFException(h4);
1384	>	checkCompletedWithWrappedCFException(h5);
1385	>	checkCompletedNormally(f, v1);
1386	>	}}
1387
1388		/**
1389		* thenApply result completes normally after normal completion of source
1390		*/
1391	<	public void testThenApply() {
1392	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1393	<	CompletableFuture<Integer> g = f.thenApply(inc);
1394	<	f.complete(one);
1395	<	checkCompletedNormally(g, two);
1396	<	}
1391	>	public void testThenApply_normalCompletion() {
1392	>	for (ExecutionMode m : ExecutionMode.values())
1393	>	for (Integer v1 : new Integer[] { 1, null })
1394	>	{
1395	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1396	>	final IncFunction[] rs = new IncFunction[4];
1397	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1398	>
1399	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1400	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1401	>	checkIncomplete(h0);
1402	>	checkIncomplete(h1);
1403	>	assertTrue(f.complete(v1));
1404	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1405	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1406	>
1407	>	checkCompletedNormally(h0, inc(v1));
1408	>	checkCompletedNormally(h1, inc(v1));
1409	>	checkCompletedNormally(h2, inc(v1));
1410	>	checkCompletedNormally(h3, inc(v1));
1411	>	checkCompletedNormally(f, v1);
1412	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1413	>	}}
1414
1415		/**
1416		* thenApply result completes exceptionally after exceptional
1417		* completion of source
1418		*/
1419	<	public void testThenApply2() {
1420	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1421	<	CompletableFuture<Integer> g = f.thenApply(inc);
1422	<	f.completeExceptionally(new CFException());
1423	<	checkCompletedWithWrappedCFException(g);
1424	<	}
1419	>	public void testThenApply_exceptionalCompletion() {
1420	>	for (ExecutionMode m : ExecutionMode.values())
1421	>	{
1422	>	final CFException ex = new CFException();
1423	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1424	>	final IncFunction[] rs = new IncFunction[4];
1425	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1426	>
1427	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1428	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1429	>	assertTrue(f.completeExceptionally(ex));
1430	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1431	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1432	>
1433	>	checkCompletedWithWrappedException(h0, ex);
1434	>	checkCompletedWithWrappedException(h1, ex);
1435	>	checkCompletedWithWrappedException(h2, ex);
1436	>	checkCompletedWithWrappedException(h3, ex);
1437	>	checkCompletedExceptionally(f, ex);
1438	>	for (IncFunction r : rs) r.assertNotInvoked();
1439	>	}}
1440
1441		/**
1442	<	* thenApply result completes exceptionally if action does
1442	>	* thenApply result completes exceptionally if source cancelled
1443		*/
1444	<	public void testThenApply3() {
1445	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1446	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1447	<	f.complete(one);
1448	<	checkCompletedWithWrappedCFException(g);
1449	<	}
1444	>	public void testThenApply_sourceCancelled() {
1445	>	for (ExecutionMode m : ExecutionMode.values())
1446	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1447	>	{
1448	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1449	>	final IncFunction[] rs = new IncFunction[4];
1450	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1451	>
1452	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1453	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1454	>	assertTrue(f.cancel(mayInterruptIfRunning));
1455	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1456	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1457	>
1458	>	checkCompletedWithWrappedCancellationException(h0);
1459	>	checkCompletedWithWrappedCancellationException(h1);
1460	>	checkCompletedWithWrappedCancellationException(h2);
1461	>	checkCompletedWithWrappedCancellationException(h3);
1462	>	checkCancelled(f);
1463	>	for (IncFunction r : rs) r.assertNotInvoked();
1464	>	}}
1465
1466		/**
1467	<	* thenApply result completes exceptionally if source cancelled
1467	>	* thenApply result completes exceptionally if action does
1468		*/
1469	<	public void testThenApply4() {
1470	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1471	<	CompletableFuture<Integer> g = f.thenApply(inc);
1472	<	assertTrue(f.cancel(true));
1473	<	checkCompletedWithWrappedCancellationException(g);
1474	<	}
1469	>	public void testThenApply_actionFailed() {
1470	>	for (ExecutionMode m : ExecutionMode.values())
1471	>	for (Integer v1 : new Integer[] { 1, null })
1472	>	{
1473	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1474	>	final FailingFunction[] rs = new FailingFunction[4];
1475	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1476	>
1477	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1478	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1479	>	assertTrue(f.complete(v1));
1480	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1481	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1482	>
1483	>	checkCompletedWithWrappedCFException(h0);
1484	>	checkCompletedWithWrappedCFException(h1);
1485	>	checkCompletedWithWrappedCFException(h2);
1486	>	checkCompletedWithWrappedCFException(h3);
1487	>	checkCompletedNormally(f, v1);
1488	>	}}
1489
1490		/**
1491		* thenAccept result completes normally after normal completion of source
1492		*/
1493	<	public void testThenAccept() {
1494	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1495	<	IncAction r = new IncAction();
1496	<	CompletableFuture<Void> g = f.thenAccept(r);
1497	<	f.complete(one);
1498	<	checkCompletedNormally(g, null);
1499	<	assertEquals(r.value, 2);
1500	<	}
1493	>	public void testThenAccept_normalCompletion() {
1494	>	for (ExecutionMode m : ExecutionMode.values())
1495	>	for (Integer v1 : new Integer[] { 1, null })
1496	>	{
1497	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1498	>	final NoopConsumer[] rs = new NoopConsumer[4];
1499	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1500	>
1501	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1502	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1503	>	checkIncomplete(h0);
1504	>	checkIncomplete(h1);
1505	>	assertTrue(f.complete(v1));
1506	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1507	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1508	>
1509	>	checkCompletedNormally(h0, null);
1510	>	checkCompletedNormally(h1, null);
1511	>	checkCompletedNormally(h2, null);
1512	>	checkCompletedNormally(h3, null);
1513	>	checkCompletedNormally(f, v1);
1514	>	for (NoopConsumer r : rs) r.assertValue(v1);
1515	>	}}
1516
1517		/**
1518		* thenAccept result completes exceptionally after exceptional
1519		* completion of source
1520		*/
1521	<	public void testThenAccept2() {
1522	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1523	<	IncAction r = new IncAction();
1524	<	CompletableFuture<Void> g = f.thenAccept(r);
1525	<	f.completeExceptionally(new CFException());
1526	<	checkCompletedWithWrappedCFException(g);
1527	<	}
1521	>	public void testThenAccept_exceptionalCompletion() {
1522	>	for (ExecutionMode m : ExecutionMode.values())
1523	>	{
1524	>	final CFException ex = new CFException();
1525	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1526	>	final NoopConsumer[] rs = new NoopConsumer[4];
1527	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1528	>
1529	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1530	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1531	>	assertTrue(f.completeExceptionally(ex));
1532	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1533	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1534	>
1535	>	checkCompletedWithWrappedException(h0, ex);
1536	>	checkCompletedWithWrappedException(h1, ex);
1537	>	checkCompletedWithWrappedException(h2, ex);
1538	>	checkCompletedWithWrappedException(h3, ex);
1539	>	checkCompletedExceptionally(f, ex);
1540	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1541	>	}}
1542
1543		/**
1544	<	* thenAccept result completes exceptionally if action does
1544	>	* thenAccept result completes exceptionally if source cancelled
1545		*/
1546	<	public void testThenAccept3() {
1547	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1548	<	FailingConsumer r = new FailingConsumer();
1549	<	CompletableFuture<Void> g = f.thenAccept(r);
1550	<	f.complete(one);
1551	<	checkCompletedWithWrappedCFException(g);
1552	<	assertTrue(r.ran);
1553	<	}
1546	>	public void testThenAccept_sourceCancelled() {
1547	>	for (ExecutionMode m : ExecutionMode.values())
1548	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1549	>	{
1550	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1551	>	final NoopConsumer[] rs = new NoopConsumer[4];
1552	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1553	>
1554	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1555	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1556	>	assertTrue(f.cancel(mayInterruptIfRunning));
1557	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1558	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1559	>
1560	>	checkCompletedWithWrappedCancellationException(h0);
1561	>	checkCompletedWithWrappedCancellationException(h1);
1562	>	checkCompletedWithWrappedCancellationException(h2);
1563	>	checkCompletedWithWrappedCancellationException(h3);
1564	>	checkCancelled(f);
1565	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1566	>	}}
1567
1568		/**
1569	<	* thenAccept result completes exceptionally if source cancelled
1569	>	* thenAccept result completes exceptionally if action does
1570		*/
1571	<	public void testThenAccept4() {
1572	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1573	<	IncAction r = new IncAction();
1574	<	CompletableFuture<Void> g = f.thenAccept(r);
1575	<	assertTrue(f.cancel(true));
1576	<	checkCompletedWithWrappedCancellationException(g);
1577	<	}
1571	>	public void testThenAccept_actionFailed() {
1572	>	for (ExecutionMode m : ExecutionMode.values())
1573	>	for (Integer v1 : new Integer[] { 1, null })
1574	>	{
1575	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1576	>	final FailingConsumer[] rs = new FailingConsumer[4];
1577	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1578	>
1579	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1580	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1581	>	assertTrue(f.complete(v1));
1582	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1583	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1584	>
1585	>	checkCompletedWithWrappedCFException(h0);
1586	>	checkCompletedWithWrappedCFException(h1);
1587	>	checkCompletedWithWrappedCFException(h2);
1588	>	checkCompletedWithWrappedCFException(h3);
1589	>	checkCompletedNormally(f, v1);
1590	>	}}
1591
1592		/**
1593		* thenCombine result completes normally after normal completion
1594		* of sources
1595		*/
1596	<	public void testThenCombine() {
1597	<	CompletableFuture<Integer> f, g, h;
1598	<
1599	<	f = new CompletableFuture<>();
1600	<	g = new CompletableFuture<>();
1601	<	h = f.thenCombine(g, subtract);
1602	<	f.complete(3);
1603	<	checkIncomplete(h);
1604	<	g.complete(1);
1605	<	checkCompletedNormally(h, 2);
1606	<
1607	<	f = new CompletableFuture<>();
1608	<	g = new CompletableFuture<>();
1609	<	h = f.thenCombine(g, subtract);
1610	<	g.complete(1);
1611	<	checkIncomplete(h);
1612	<	f.complete(3);
1613	<	checkCompletedNormally(h, 2);
1614	<
1615	<	f = new CompletableFuture<>();
1616	<	g = new CompletableFuture<>();
1617	<	g.complete(1);
1618	<	f.complete(3);
1619	<	h = f.thenCombine(g, subtract);
1620	<	checkCompletedNormally(h, 2);
1621	<	}
1596	>	public void testThenCombine_normalCompletion() {
1597	>	for (ExecutionMode m : ExecutionMode.values())
1598	>	for (boolean fFirst : new boolean[] { true, false })
1599	>	for (Integer v1 : new Integer[] { 1, null })
1600	>	for (Integer v2 : new Integer[] { 2, null })
1601	>	{
1602	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1603	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1604	>	final SubtractFunction[] rs = new SubtractFunction[6];
1605	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1606	>
1607	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1608	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1609	>	final Integer w1 =  fFirst ? v1 : v2;
1610	>	final Integer w2 = !fFirst ? v1 : v2;
1611	>
1612	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1613	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1614	>	assertTrue(fst.complete(w1));
1615	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1616	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1617	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1618	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1619	>	checkCompletedNormally(h1, subtract(w1, w1));
1620	>	checkCompletedNormally(h3, subtract(w1, w1));
1621	>	rs[1].assertValue(subtract(w1, w1));
1622	>	rs[3].assertValue(subtract(w1, w1));
1623	>	assertTrue(snd.complete(w2));
1624	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1625	>
1626	>	checkCompletedNormally(h0, subtract(v1, v2));
1627	>	checkCompletedNormally(h2, subtract(v1, v2));
1628	>	checkCompletedNormally(h4, subtract(v1, v2));
1629	>	rs[0].assertValue(subtract(v1, v2));
1630	>	rs[2].assertValue(subtract(v1, v2));
1631	>	rs[4].assertValue(subtract(v1, v2));
1632	>
1633	>	checkCompletedNormally(f, v1);
1634	>	checkCompletedNormally(g, v2);
1635	>	}}
1636
1637		/**
1638		* thenCombine result completes exceptionally after exceptional
1639		* completion of either source
1640		*/
1641	<	public void testThenCombine2() {
1642	<	CompletableFuture<Integer> f, g, h;
1643	<
1644	<	f = new CompletableFuture<>();
1645	<	g = new CompletableFuture<>();
1646	<	h = f.thenCombine(g, subtract);
1647	<	f.completeExceptionally(new CFException());
1648	<	checkIncomplete(h);
1649	<	g.complete(1);
1650	<	checkCompletedWithWrappedCFException(h);
1651	<
1652	<	f = new CompletableFuture<>();
1653	<	g = new CompletableFuture<>();
1654	<	h = f.thenCombine(g, subtract);
1655	<	g.completeExceptionally(new CFException());
1656	<	checkIncomplete(h);
1657	<	f.complete(3);
1658	<	checkCompletedWithWrappedCFException(h);
1659	<
1660	<	f = new CompletableFuture<>();
1661	<	g = new CompletableFuture<>();
1662	<	f.complete(3);
1663	<	g.completeExceptionally(new CFException());
1664	<	h = f.thenCombine(g, subtract);
1665	<	checkCompletedWithWrappedCFException(h);
1666	<
1667	<	f = new CompletableFuture<>();
1668	<	g = new CompletableFuture<>();
1669	<	f.completeExceptionally(new CFException());
1670	<	g.complete(3);
1671	<	h = f.thenCombine(g, subtract);
1672	<	checkCompletedWithWrappedCFException(h);
1673	<	}
1641	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1642	>	for (ExecutionMode m : ExecutionMode.values())
1643	>	for (boolean fFirst : new boolean[] { true, false })
1644	>	for (boolean failFirst : new boolean[] { true, false })
1645	>	for (Integer v1 : new Integer[] { 1, null })
1646	>	{
1647	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1648	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1649	>	final CFException ex = new CFException();
1650	>	final SubtractFunction r1 = new SubtractFunction(m);
1651	>	final SubtractFunction r2 = new SubtractFunction(m);
1652	>	final SubtractFunction r3 = new SubtractFunction(m);
1653	>
1654	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1655	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1656	>	final Callable<Boolean> complete1 = failFirst ?
1657	>	() -> fst.completeExceptionally(ex) :
1658	>	() -> fst.complete(v1);
1659	>	final Callable<Boolean> complete2 = failFirst ?
1660	>	() -> snd.complete(v1) :
1661	>	() -> snd.completeExceptionally(ex);
1662	>
1663	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1664	>	assertTrue(complete1.call());
1665	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1666	>	checkIncomplete(h1);
1667	>	checkIncomplete(h2);
1668	>	assertTrue(complete2.call());
1669	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1670	>
1671	>	checkCompletedWithWrappedException(h1, ex);
1672	>	checkCompletedWithWrappedException(h2, ex);
1673	>	checkCompletedWithWrappedException(h3, ex);
1674	>	r1.assertNotInvoked();
1675	>	r2.assertNotInvoked();
1676	>	r3.assertNotInvoked();
1677	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1678	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1679	>	}}
1680
1681		/**
1682	<	* thenCombine result completes exceptionally if action does
1682	>	* thenCombine result completes exceptionally if either source cancelled
1683		*/
1684	<	public void testThenCombine3() {
1685	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1686	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1687	<	FailingBiFunction r = new FailingBiFunction();
1688	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
1689	<	f.complete(one);
1690	<	checkIncomplete(g);
1691	<	assertFalse(r.ran);
1692	<	f2.complete(two);
1693	<	checkCompletedWithWrappedCFException(g);
1694	<	assertTrue(r.ran);
1695	<	}
1684	>	public void testThenCombine_sourceCancelled() throws Throwable {
1685	>	for (ExecutionMode m : ExecutionMode.values())
1686	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1687	>	for (boolean fFirst : new boolean[] { true, false })
1688	>	for (boolean failFirst : new boolean[] { true, false })
1689	>	for (Integer v1 : new Integer[] { 1, null })
1690	>	{
1691	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1692	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1693	>	final SubtractFunction r1 = new SubtractFunction(m);
1694	>	final SubtractFunction r2 = new SubtractFunction(m);
1695	>	final SubtractFunction r3 = new SubtractFunction(m);
1696	>
1697	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1698	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1699	>	final Callable<Boolean> complete1 = failFirst ?
1700	>	() -> fst.cancel(mayInterruptIfRunning) :
1701	>	() -> fst.complete(v1);
1702	>	final Callable<Boolean> complete2 = failFirst ?
1703	>	() -> snd.complete(v1) :
1704	>	() -> snd.cancel(mayInterruptIfRunning);
1705	>
1706	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1707	>	assertTrue(complete1.call());
1708	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1709	>	checkIncomplete(h1);
1710	>	checkIncomplete(h2);
1711	>	assertTrue(complete2.call());
1712	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1713	>
1714	>	checkCompletedWithWrappedCancellationException(h1);
1715	>	checkCompletedWithWrappedCancellationException(h2);
1716	>	checkCompletedWithWrappedCancellationException(h3);
1717	>	r1.assertNotInvoked();
1718	>	r2.assertNotInvoked();
1719	>	r3.assertNotInvoked();
1720	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1721	>	checkCancelled(failFirst ? fst : snd);
1722	>	}}
1723
1724		/**
1725	<	* thenCombine result completes exceptionally if either source cancelled
1725	>	* thenCombine result completes exceptionally if action does
1726		*/
1727	<	public void testThenCombine4() {
1728	<	CompletableFuture<Integer> f, g, h;
1729	<
1730	<	f = new CompletableFuture<>();
1731	<	g = new CompletableFuture<>();
1732	<	h = f.thenCombine(g, subtract);
1733	<	assertTrue(f.cancel(true));
1734	<	checkIncomplete(h);
1735	<	g.complete(1);
1736	<	checkCompletedWithWrappedCancellationException(h);
1737	<
1738	<	f = new CompletableFuture<>();
1739	<	g = new CompletableFuture<>();
1740	<	h = f.thenCombine(g, subtract);
1741	<	assertTrue(g.cancel(true));
1742	<	checkIncomplete(h);
1743	<	f.complete(3);
1744	<	checkCompletedWithWrappedCancellationException(h);
1745	<
1746	<	f = new CompletableFuture<>();
1747	<	g = new CompletableFuture<>();
1748	<	assertTrue(f.cancel(true));
1749	<	assertTrue(g.cancel(true));
1750	<	h = f.thenCombine(g, subtract);
1751	<	checkCompletedWithWrappedCancellationException(h);
1752	<	}
1727	>	public void testThenCombine_actionFailed() {
1728	>	for (ExecutionMode m : ExecutionMode.values())
1729	>	for (boolean fFirst : new boolean[] { true, false })
1730	>	for (Integer v1 : new Integer[] { 1, null })
1731	>	for (Integer v2 : new Integer[] { 2, null })
1732	>	{
1733	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1734	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1735	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1736	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1737	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1738	>
1739	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1740	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1741	>	final Integer w1 =  fFirst ? v1 : v2;
1742	>	final Integer w2 = !fFirst ? v1 : v2;
1743	>
1744	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1745	>	assertTrue(fst.complete(w1));
1746	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1747	>	assertTrue(snd.complete(w2));
1748	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1749	>
1750	>	checkCompletedWithWrappedCFException(h1);
1751	>	checkCompletedWithWrappedCFException(h2);
1752	>	checkCompletedWithWrappedCFException(h3);
1753	>	r1.assertInvoked();
1754	>	r2.assertInvoked();
1755	>	r3.assertInvoked();
1756	>	checkCompletedNormally(f, v1);
1757	>	checkCompletedNormally(g, v2);
1758	>	}}
1759
1760		/**
1761		* thenAcceptBoth result completes normally after normal
1762		* completion of sources
1763		*/
1764	<	public void testThenAcceptBoth() {
1765	<	CompletableFuture<Integer> f, g;
1766	<	CompletableFuture<Void> h;
1767	<	SubtractAction r;
1768	<
1769	<	f = new CompletableFuture<>();
1770	<	g = new CompletableFuture<>();
1771	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1772	<	f.complete(3);
1773	<	checkIncomplete(h);
1774	<	g.complete(1);
1775	<	checkCompletedNormally(h, null);
1776	<	assertEquals(r.value, 2);
1777	<
1778	<	f = new CompletableFuture<>();
1779	<	g = new CompletableFuture<>();
1780	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1781	<	g.complete(1);
1782	<	checkIncomplete(h);
1783	<	f.complete(3);
1784	<	checkCompletedNormally(h, null);
1785	<	assertEquals(r.value, 2);
1786	<
1787	<	f = new CompletableFuture<>();
1788	<	g = new CompletableFuture<>();
1789	<	g.complete(1);
1790	<	f.complete(3);
1791	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1792	<	checkCompletedNormally(h, null);
1793	<	assertEquals(r.value, 2);
1794	<	}
1764	>	public void testThenAcceptBoth_normalCompletion() {
1765	>	for (ExecutionMode m : ExecutionMode.values())
1766	>	for (boolean fFirst : new boolean[] { true, false })
1767	>	for (Integer v1 : new Integer[] { 1, null })
1768	>	for (Integer v2 : new Integer[] { 2, null })
1769	>	{
1770	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1771	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1772	>	final SubtractAction r1 = new SubtractAction(m);
1773	>	final SubtractAction r2 = new SubtractAction(m);
1774	>	final SubtractAction r3 = new SubtractAction(m);
1775	>
1776	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1777	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1778	>	final Integer w1 =  fFirst ? v1 : v2;
1779	>	final Integer w2 = !fFirst ? v1 : v2;
1780	>
1781	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1782	>	assertTrue(fst.complete(w1));
1783	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1784	>	checkIncomplete(h1);
1785	>	checkIncomplete(h2);
1786	>	r1.assertNotInvoked();
1787	>	r2.assertNotInvoked();
1788	>	assertTrue(snd.complete(w2));
1789	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1790	>
1791	>	checkCompletedNormally(h1, null);
1792	>	checkCompletedNormally(h2, null);
1793	>	checkCompletedNormally(h3, null);
1794	>	r1.assertValue(subtract(v1, v2));
1795	>	r2.assertValue(subtract(v1, v2));
1796	>	r3.assertValue(subtract(v1, v2));
1797	>	checkCompletedNormally(f, v1);
1798	>	checkCompletedNormally(g, v2);
1799	>	}}
1800
1801		/**
1802		* thenAcceptBoth result completes exceptionally after exceptional
1803		* completion of either source
1804		*/
1805	<	public void testThenAcceptBoth2() {
1806	<	CompletableFuture<Integer> f, g;
1807	<	CompletableFuture<Void> h;
1808	<	SubtractAction r;
1809	<
1810	<	f = new CompletableFuture<>();
1811	<	g = new CompletableFuture<>();
1812	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1813	<	f.completeExceptionally(new CFException());
1814	<	checkIncomplete(h);
1815	<	g.complete(1);
1816	<	checkCompletedWithWrappedCFException(h);
1817	<
1818	<	f = new CompletableFuture<>();
1819	<	g = new CompletableFuture<>();
1820	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1821	<	g.completeExceptionally(new CFException());
1822	<	checkIncomplete(h);
1823	<	f.complete(3);
1824	<	checkCompletedWithWrappedCFException(h);
1825	<
1826	<	f = new CompletableFuture<>();
1827	<	g = new CompletableFuture<>();
1828	<	f.complete(3);
1829	<	g.completeExceptionally(new CFException());
1830	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1831	<	checkCompletedWithWrappedCFException(h);
1832	<
1833	<	f = new CompletableFuture<>();
1834	<	g = new CompletableFuture<>();
1835	<	f.completeExceptionally(new CFException());
1836	<	g.complete(3);
1837	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1838	<	checkCompletedWithWrappedCFException(h);
1839	<	}
1805	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1806	>	for (ExecutionMode m : ExecutionMode.values())
1807	>	for (boolean fFirst : new boolean[] { true, false })
1808	>	for (boolean failFirst : new boolean[] { true, false })
1809	>	for (Integer v1 : new Integer[] { 1, null })
1810	>	{
1811	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1812	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1813	>	final CFException ex = new CFException();
1814	>	final SubtractAction r1 = new SubtractAction(m);
1815	>	final SubtractAction r2 = new SubtractAction(m);
1816	>	final SubtractAction r3 = new SubtractAction(m);
1817	>
1818	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1819	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1820	>	final Callable<Boolean> complete1 = failFirst ?
1821	>	() -> fst.completeExceptionally(ex) :
1822	>	() -> fst.complete(v1);
1823	>	final Callable<Boolean> complete2 = failFirst ?
1824	>	() -> snd.complete(v1) :
1825	>	() -> snd.completeExceptionally(ex);
1826	>
1827	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1828	>	assertTrue(complete1.call());
1829	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1830	>	checkIncomplete(h1);
1831	>	checkIncomplete(h2);
1832	>	assertTrue(complete2.call());
1833	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1834	>
1835	>	checkCompletedWithWrappedException(h1, ex);
1836	>	checkCompletedWithWrappedException(h2, ex);
1837	>	checkCompletedWithWrappedException(h3, ex);
1838	>	r1.assertNotInvoked();
1839	>	r2.assertNotInvoked();
1840	>	r3.assertNotInvoked();
1841	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1842	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1843	>	}}
1844
1845		/**
1846	<	* thenAcceptBoth result completes exceptionally if action does
1846	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1847		*/
1848	<	public void testThenAcceptBoth3() {
1849	<	CompletableFuture<Integer> f, g;
1850	<	CompletableFuture<Void> h;
1851	<	FailingBiConsumer r;
1852	<
1853	<	f = new CompletableFuture<>();
1854	<	g = new CompletableFuture<>();
1855	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1856	<	f.complete(3);
1857	<	checkIncomplete(h);
1858	<	g.complete(1);
1859	<	checkCompletedWithWrappedCFException(h);
1860	<
1861	<	f = new CompletableFuture<>();
1862	<	g = new CompletableFuture<>();
1863	<	f.complete(3);
1864	<	g.complete(1);
1865	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1866	<	checkCompletedWithWrappedCFException(h);
1867	<	}
1848	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1849	>	for (ExecutionMode m : ExecutionMode.values())
1850	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1851	>	for (boolean fFirst : new boolean[] { true, false })
1852	>	for (boolean failFirst : new boolean[] { true, false })
1853	>	for (Integer v1 : new Integer[] { 1, null })
1854	>	{
1855	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1856	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1857	>	final SubtractAction r1 = new SubtractAction(m);
1858	>	final SubtractAction r2 = new SubtractAction(m);
1859	>	final SubtractAction r3 = new SubtractAction(m);
1860	>
1861	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1862	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1863	>	final Callable<Boolean> complete1 = failFirst ?
1864	>	() -> fst.cancel(mayInterruptIfRunning) :
1865	>	() -> fst.complete(v1);
1866	>	final Callable<Boolean> complete2 = failFirst ?
1867	>	() -> snd.complete(v1) :
1868	>	() -> snd.cancel(mayInterruptIfRunning);
1869	>
1870	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1871	>	assertTrue(complete1.call());
1872	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1873	>	checkIncomplete(h1);
1874	>	checkIncomplete(h2);
1875	>	assertTrue(complete2.call());
1876	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1877	>
1878	>	checkCompletedWithWrappedCancellationException(h1);
1879	>	checkCompletedWithWrappedCancellationException(h2);
1880	>	checkCompletedWithWrappedCancellationException(h3);
1881	>	r1.assertNotInvoked();
1882	>	r2.assertNotInvoked();
1883	>	r3.assertNotInvoked();
1884	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1885	>	checkCancelled(failFirst ? fst : snd);
1886	>	}}
1887
1888		/**
1889	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1889	>	* thenAcceptBoth result completes exceptionally if action does
1890		*/
1891	<	public void testThenAcceptBoth4() {
1892	<	CompletableFuture<Integer> f, g;
1893	<	CompletableFuture<Void> h;
1894	<	SubtractAction r;
1895	<
1896	<	f = new CompletableFuture<>();
1897	<	g = new CompletableFuture<>();
1898	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1899	<	assertTrue(f.cancel(true));
1900	<	checkIncomplete(h);
1901	<	g.complete(1);
1902	<	checkCompletedWithWrappedCancellationException(h);
1903	<
1904	<	f = new CompletableFuture<>();
1905	<	g = new CompletableFuture<>();
1906	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1907	<	assertTrue(g.cancel(true));
1908	<	checkIncomplete(h);
1909	<	f.complete(3);
1910	<	checkCompletedWithWrappedCancellationException(h);
1911	<
1912	<	f = new CompletableFuture<>();
1913	<	g = new CompletableFuture<>();
1914	<	f.complete(3);
1915	<	assertTrue(g.cancel(true));
1916	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1917	<	checkCompletedWithWrappedCancellationException(h);
1918	<
1919	<	f = new CompletableFuture<>();
1920	<	g = new CompletableFuture<>();
1921	<	assertTrue(f.cancel(true));
1922	<	g.complete(3);
914	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
915	<	checkCompletedWithWrappedCancellationException(h);
916	<	}
1891	>	public void testThenAcceptBoth_actionFailed() {
1892	>	for (ExecutionMode m : ExecutionMode.values())
1893	>	for (boolean fFirst : new boolean[] { true, false })
1894	>	for (Integer v1 : new Integer[] { 1, null })
1895	>	for (Integer v2 : new Integer[] { 2, null })
1896	>	{
1897	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1898	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1899	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1900	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1901	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1902	>
1903	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1904	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1905	>	final Integer w1 =  fFirst ? v1 : v2;
1906	>	final Integer w2 = !fFirst ? v1 : v2;
1907	>
1908	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1909	>	assertTrue(fst.complete(w1));
1910	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1911	>	assertTrue(snd.complete(w2));
1912	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1913	>
1914	>	checkCompletedWithWrappedCFException(h1);
1915	>	checkCompletedWithWrappedCFException(h2);
1916	>	checkCompletedWithWrappedCFException(h3);
1917	>	r1.assertInvoked();
1918	>	r2.assertInvoked();
1919	>	r3.assertInvoked();
1920	>	checkCompletedNormally(f, v1);
1921	>	checkCompletedNormally(g, v2);
1922	>	}}
1923
1924		/**
1925		* runAfterBoth result completes normally after normal
1926		* completion of sources
1927		*/
1928	<	public void testRunAfterBoth() {
1929	<	CompletableFuture<Integer> f, g;
1930	<	CompletableFuture<Void> h;
1931	<	Noop r;
1932	<
1933	<	f = new CompletableFuture<>();
1934	<	g = new CompletableFuture<>();
1935	<	h = f.runAfterBoth(g, r = new Noop());
1936	<	f.complete(3);
1937	<	checkIncomplete(h);
1938	<	g.complete(1);
1939	<	checkCompletedNormally(h, null);
1940	<	assertTrue(r.ran);
1941	<
1942	<	f = new CompletableFuture<>();
1943	<	g = new CompletableFuture<>();
1944	<	h = f.runAfterBoth(g, r = new Noop());
1945	<	g.complete(1);
1946	<	checkIncomplete(h);
1947	<	f.complete(3);
1948	<	checkCompletedNormally(h, null);
1949	<	assertTrue(r.ran);
1950	<
1951	<	f = new CompletableFuture<>();
1952	<	g = new CompletableFuture<>();
1953	<	g.complete(1);
1954	<	f.complete(3);
1955	<	h = f.runAfterBoth(g, r = new Noop());
1956	<	checkCompletedNormally(h, null);
1957	<	assertTrue(r.ran);
1958	<	}
1928	>	public void testRunAfterBoth_normalCompletion() {
1929	>	for (ExecutionMode m : ExecutionMode.values())
1930	>	for (boolean fFirst : new boolean[] { true, false })
1931	>	for (Integer v1 : new Integer[] { 1, null })
1932	>	for (Integer v2 : new Integer[] { 2, null })
1933	>	{
1934	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1935	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1936	>	final Noop r1 = new Noop(m);
1937	>	final Noop r2 = new Noop(m);
1938	>	final Noop r3 = new Noop(m);
1939	>
1940	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1941	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1942	>	final Integer w1 =  fFirst ? v1 : v2;
1943	>	final Integer w2 = !fFirst ? v1 : v2;
1944	>
1945	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1946	>	assertTrue(fst.complete(w1));
1947	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1948	>	checkIncomplete(h1);
1949	>	checkIncomplete(h2);
1950	>	r1.assertNotInvoked();
1951	>	r2.assertNotInvoked();
1952	>	assertTrue(snd.complete(w2));
1953	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1954	>
1955	>	checkCompletedNormally(h1, null);
1956	>	checkCompletedNormally(h2, null);
1957	>	checkCompletedNormally(h3, null);
1958	>	r1.assertInvoked();
1959	>	r2.assertInvoked();
1960	>	r3.assertInvoked();
1961	>	checkCompletedNormally(f, v1);
1962	>	checkCompletedNormally(g, v2);
1963	>	}}
1964
1965		/**
1966		* runAfterBoth result completes exceptionally after exceptional
1967		* completion of either source
1968		*/
1969	<	public void testRunAfterBoth2() {
1970	<	CompletableFuture<Integer> f, g;
1971	<	CompletableFuture<Void> h;
1972	<	Noop r;
1973	<
1974	<	f = new CompletableFuture<>();
1975	<	g = new CompletableFuture<>();
1976	<	h = f.runAfterBoth(g, r = new Noop());
1977	<	f.completeExceptionally(new CFException());
1978	<	checkIncomplete(h);
1979	<	g.complete(1);
1980	<	checkCompletedWithWrappedCFException(h);
1981	<	assertFalse(r.ran);
1982	<
1983	<	f = new CompletableFuture<>();
1984	<	g = new CompletableFuture<>();
1985	<	h = f.runAfterBoth(g, r = new Noop());
1986	<	g.completeExceptionally(new CFException());
1987	<	checkIncomplete(h);
1988	<	f.complete(3);
1989	<	checkCompletedWithWrappedCFException(h);
1990	<	assertFalse(r.ran);
1991	<
1992	<	f = new CompletableFuture<>();
1993	<	g = new CompletableFuture<>();
1994	<	g.completeExceptionally(new CFException());
1995	<	f.complete(3);
1996	<	h = f.runAfterBoth(g, r = new Noop());
1997	<	checkCompletedWithWrappedCFException(h);
1998	<	assertFalse(r.ran);
1999	<
2000	<	f = new CompletableFuture<>();
2001	<	g = new CompletableFuture<>();
2002	<	f.completeExceptionally(new CFException());
2003	<	g.complete(1);
2004	<	h = f.runAfterBoth(g, r = new Noop());
2005	<	checkCompletedWithWrappedCFException(h);
2006	<	assertFalse(r.ran);
2007	<	}
1969	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1970	>	for (ExecutionMode m : ExecutionMode.values())
1971	>	for (boolean fFirst : new boolean[] { true, false })
1972	>	for (boolean failFirst : new boolean[] { true, false })
1973	>	for (Integer v1 : new Integer[] { 1, null })
1974	>	{
1975	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1976	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1977	>	final CFException ex = new CFException();
1978	>	final Noop r1 = new Noop(m);
1979	>	final Noop r2 = new Noop(m);
1980	>	final Noop r3 = new Noop(m);
1981	>
1982	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1983	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1984	>	final Callable<Boolean> complete1 = failFirst ?
1985	>	() -> fst.completeExceptionally(ex) :
1986	>	() -> fst.complete(v1);
1987	>	final Callable<Boolean> complete2 = failFirst ?
1988	>	() -> snd.complete(v1) :
1989	>	() -> snd.completeExceptionally(ex);
1990	>
1991	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1992	>	assertTrue(complete1.call());
1993	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1994	>	checkIncomplete(h1);
1995	>	checkIncomplete(h2);
1996	>	assertTrue(complete2.call());
1997	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1998	>
1999	>	checkCompletedWithWrappedException(h1, ex);
2000	>	checkCompletedWithWrappedException(h2, ex);
2001	>	checkCompletedWithWrappedException(h3, ex);
2002	>	r1.assertNotInvoked();
2003	>	r2.assertNotInvoked();
2004	>	r3.assertNotInvoked();
2005	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2006	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2007	>	}}
2008
2009		/**
2010	<	* runAfterBoth result completes exceptionally if action does
2010	>	* runAfterBoth result completes exceptionally if either source cancelled
2011		*/
2012	<	public void testRunAfterBoth3() {
2013	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2014	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2015	<	FailingNoop r = new FailingNoop();
2016	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2017	<	f.complete(one);
2018	<	checkIncomplete(g);
2019	<	f2.complete(two);
2020	<	checkCompletedWithWrappedCFException(g);
2021	<	}
2012	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2013	>	for (ExecutionMode m : ExecutionMode.values())
2014	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2015	>	for (boolean fFirst : new boolean[] { true, false })
2016	>	for (boolean failFirst : new boolean[] { true, false })
2017	>	for (Integer v1 : new Integer[] { 1, null })
2018	>	{
2019	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2020	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2021	>	final Noop r1 = new Noop(m);
2022	>	final Noop r2 = new Noop(m);
2023	>	final Noop r3 = new Noop(m);
2024	>
2025	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2026	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2027	>	final Callable<Boolean> complete1 = failFirst ?
2028	>	() -> fst.cancel(mayInterruptIfRunning) :
2029	>	() -> fst.complete(v1);
2030	>	final Callable<Boolean> complete2 = failFirst ?
2031	>	() -> snd.complete(v1) :
2032	>	() -> snd.cancel(mayInterruptIfRunning);
2033	>
2034	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2035	>	assertTrue(complete1.call());
2036	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2037	>	checkIncomplete(h1);
2038	>	checkIncomplete(h2);
2039	>	assertTrue(complete2.call());
2040	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2041	>
2042	>	checkCompletedWithWrappedCancellationException(h1);
2043	>	checkCompletedWithWrappedCancellationException(h2);
2044	>	checkCompletedWithWrappedCancellationException(h3);
2045	>	r1.assertNotInvoked();
2046	>	r2.assertNotInvoked();
2047	>	r3.assertNotInvoked();
2048	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2049	>	checkCancelled(failFirst ? fst : snd);
2050	>	}}
2051
2052		/**
2053	<	* runAfterBoth result completes exceptionally if either source cancelled
2053	>	* runAfterBoth result completes exceptionally if action does
2054		*/
2055	<	public void testRunAfterBoth4() {
2056	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2057	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2058	<	Noop r = new Noop();
2059	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
2060	<	assertTrue(f.cancel(true));
2061	<	f2.complete(two);
2062	<	checkCompletedWithWrappedCancellationException(g);
2063	<	f = new CompletableFuture<>();
2064	<	f2 = new CompletableFuture<>();
2065	<	r = new Noop();
2066	<	g = f.runAfterBoth(f2, r);
2067	<	f.complete(one);
2068	<	assertTrue(f2.cancel(true));
2069	<	checkCompletedWithWrappedCancellationException(g);
2070	<	}
2055	>	public void testRunAfterBoth_actionFailed() {
2056	>	for (ExecutionMode m : ExecutionMode.values())
2057	>	for (boolean fFirst : new boolean[] { true, false })
2058	>	for (Integer v1 : new Integer[] { 1, null })
2059	>	for (Integer v2 : new Integer[] { 2, null })
2060	>	{
2061	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2062	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2063	>	final FailingRunnable r1 = new FailingRunnable(m);
2064	>	final FailingRunnable r2 = new FailingRunnable(m);
2065	>	final FailingRunnable r3 = new FailingRunnable(m);
2066	>
2067	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2068	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2069	>	final Integer w1 =  fFirst ? v1 : v2;
2070	>	final Integer w2 = !fFirst ? v1 : v2;
2071	>
2072	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2073	>	assertTrue(fst.complete(w1));
2074	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2075	>	assertTrue(snd.complete(w2));
2076	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2077	>
2078	>	checkCompletedWithWrappedCFException(h1);
2079	>	checkCompletedWithWrappedCFException(h2);
2080	>	checkCompletedWithWrappedCFException(h3);
2081	>	r1.assertInvoked();
2082	>	r2.assertInvoked();
2083	>	r3.assertInvoked();
2084	>	checkCompletedNormally(f, v1);
2085	>	checkCompletedNormally(g, v2);
2086	>	}}
2087
2088		/**
2089		* applyToEither result completes normally after normal completion
2090		* of either source
2091		*/
2092	<	public void testApplyToEither() {
2093	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2094	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2095	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2096	<	f.complete(one);
2097	<	checkCompletedNormally(g, two);
2098	<	f2.complete(one);
2099	<	checkCompletedNormally(g, two);
2100	<
2101	<	f = new CompletableFuture<>();
2102	<	f.complete(one);
2103	<	f2 = new CompletableFuture<>();
2104	<	g = f.applyToEither(f2, inc);
2105	<	checkCompletedNormally(g, two);
2106	<	}
2092	>	public void testApplyToEither_normalCompletion() {
2093	>	for (ExecutionMode m : ExecutionMode.values())
2094	>	for (Integer v1 : new Integer[] { 1, null })
2095	>	for (Integer v2 : new Integer[] { 2, null })
2096	>	{
2097	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2098	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2099	>	final IncFunction[] rs = new IncFunction[6];
2100	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2101	>
2102	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2103	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2104	>	checkIncomplete(h0);
2105	>	checkIncomplete(h1);
2106	>	rs[0].assertNotInvoked();
2107	>	rs[1].assertNotInvoked();
2108	>	f.complete(v1);
2109	>	checkCompletedNormally(h0, inc(v1));
2110	>	checkCompletedNormally(h1, inc(v1));
2111	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2112	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2113	>	checkCompletedNormally(h2, inc(v1));
2114	>	checkCompletedNormally(h3, inc(v1));
2115	>	g.complete(v2);
2116	>
2117	>	// unspecified behavior - both source completions available
2118	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2119	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2120	>	rs[4].assertValue(h4.join());
2121	>	rs[5].assertValue(h5.join());
2122	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2123	>	Objects.equals(inc(v2), h4.join()));
2124	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2125	>	Objects.equals(inc(v2), h5.join()));
2126	>
2127	>	checkCompletedNormally(f, v1);
2128	>	checkCompletedNormally(g, v2);
2129	>	checkCompletedNormally(h0, inc(v1));
2130	>	checkCompletedNormally(h1, inc(v1));
2131	>	checkCompletedNormally(h2, inc(v1));
2132	>	checkCompletedNormally(h3, inc(v1));
2133	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2134	>	}}
2135
2136		/**
2137		* applyToEither result completes exceptionally after exceptional
2138		* completion of either source
2139		*/
2140	<	public void testApplyToEither2() {
2141	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2142	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2143	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
2144	<	f.completeExceptionally(new CFException());
2145	<	f2.complete(one);
2146	<	checkCompletedWithWrappedCFException(g);
2140	>	public void testApplyToEither_exceptionalCompletion() {
2141	>	for (ExecutionMode m : ExecutionMode.values())
2142	>	for (Integer v1 : new Integer[] { 1, null })
2143	>	{
2144	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2145	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2146	>	final CFException ex = new CFException();
2147	>	final IncFunction[] rs = new IncFunction[6];
2148	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2149	>
2150	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2151	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2152	>	checkIncomplete(h0);
2153	>	checkIncomplete(h1);
2154	>	rs[0].assertNotInvoked();
2155	>	rs[1].assertNotInvoked();
2156	>	f.completeExceptionally(ex);
2157	>	checkCompletedWithWrappedException(h0, ex);
2158	>	checkCompletedWithWrappedException(h1, ex);
2159	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2160	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2161	>	checkCompletedWithWrappedException(h2, ex);
2162	>	checkCompletedWithWrappedException(h3, ex);
2163	>	g.complete(v1);
2164	>
2165	>	// unspecified behavior - both source completions available
2166	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2167	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2168	>	try {
2169	>	assertEquals(inc(v1), h4.join());
2170	>	rs[4].assertValue(inc(v1));
2171	>	} catch (CompletionException ok) {
2172	>	checkCompletedWithWrappedException(h4, ex);
2173	>	rs[4].assertNotInvoked();
2174	>	}
2175	>	try {
2176	>	assertEquals(inc(v1), h5.join());
2177	>	rs[5].assertValue(inc(v1));
2178	>	} catch (CompletionException ok) {
2179	>	checkCompletedWithWrappedException(h5, ex);
2180	>	rs[5].assertNotInvoked();
2181	>	}
2182
2183	<	f = new CompletableFuture<>();
2184	<	f2 = new CompletableFuture<>();
2185	<	f2.completeExceptionally(new CFException());
2186	<	g = f.applyToEither(f2, inc);
2187	<	checkCompletedWithWrappedCFException(g);
2188	<	}
2183	>	checkCompletedExceptionally(f, ex);
2184	>	checkCompletedNormally(g, v1);
2185	>	checkCompletedWithWrappedException(h0, ex);
2186	>	checkCompletedWithWrappedException(h1, ex);
2187	>	checkCompletedWithWrappedException(h2, ex);
2188	>	checkCompletedWithWrappedException(h3, ex);
2189	>	checkCompletedWithWrappedException(h4, ex);
2190	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2191	>	}}
2192	>
2193	>	public void testApplyToEither_exceptionalCompletion2() {
2194	>	for (ExecutionMode m : ExecutionMode.values())
2195	>	for (boolean fFirst : new boolean[] { true, false })
2196	>	for (Integer v1 : new Integer[] { 1, null })
2197	>	{
2198	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2199	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2200	>	final CFException ex = new CFException();
2201	>	final IncFunction[] rs = new IncFunction[6];
2202	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2203	>
2204	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2205	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2206	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2207	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2208	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2209	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2210
2211	<	/**
2212	<	* applyToEither result completes exceptionally if action does
2213	<	*/
2214	<	public void testApplyToEither3() {
2215	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2216	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2217	<	FailingFunction r = new FailingFunction();
2218	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
2219	<	f2.complete(two);
2220	<	checkCompletedWithWrappedCFException(g);
2221	<	}
2211	>	// unspecified behavior - both source completions available
2212	>	try {
2213	>	assertEquals(inc(v1), h0.join());
2214	>	rs[0].assertValue(inc(v1));
2215	>	} catch (CompletionException ok) {
2216	>	checkCompletedWithWrappedException(h0, ex);
2217	>	rs[0].assertNotInvoked();
2218	>	}
2219	>	try {
2220	>	assertEquals(inc(v1), h1.join());
2221	>	rs[1].assertValue(inc(v1));
2222	>	} catch (CompletionException ok) {
2223	>	checkCompletedWithWrappedException(h1, ex);
2224	>	rs[1].assertNotInvoked();
2225	>	}
2226	>	try {
2227	>	assertEquals(inc(v1), h2.join());
2228	>	rs[2].assertValue(inc(v1));
2229	>	} catch (CompletionException ok) {
2230	>	checkCompletedWithWrappedException(h2, ex);
2231	>	rs[2].assertNotInvoked();
2232	>	}
2233	>	try {
2234	>	assertEquals(inc(v1), h3.join());
2235	>	rs[3].assertValue(inc(v1));
2236	>	} catch (CompletionException ok) {
2237	>	checkCompletedWithWrappedException(h3, ex);
2238	>	rs[3].assertNotInvoked();
2239	>	}
2240
2241	<	/**
2242	<	* applyToEither result completes exceptionally if either source cancelled
2243	<	*/
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	<	}
2241	>	checkCompletedNormally(f, v1);
2242	>	checkCompletedExceptionally(g, ex);
2243	>	}}
2244
2245		/**
2246	<	* acceptEither result completes normally after normal completion
1100	<	* of either source
2246	>	* applyToEither result completes exceptionally if either source cancelled
2247		*/
2248	<	public void testAcceptEither() {
2249	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2250	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2251	<	IncAction r = new IncAction();
2252	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2253	<	f.complete(one);
2254	<	checkCompletedNormally(g, null);
2255	<	f2.complete(one);
2256	<	checkCompletedNormally(g, null);
2257	<	assertEquals(r.value, 2);
2258	<
2259	<	r = new IncAction();
2260	<	f = new CompletableFuture<>();
2261	<	f.complete(one);
2262	<	f2 = new CompletableFuture<>();
2263	<	g = f.acceptEither(f2, r);
2264	<	checkCompletedNormally(g, null);
2265	<	assertEquals(r.value, 2);
2266	<	}
2248	>	public void testApplyToEither_sourceCancelled() {
2249	>	for (ExecutionMode m : ExecutionMode.values())
2250	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2251	>	for (Integer v1 : new Integer[] { 1, null })
2252	>	{
2253	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2254	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2255	>	final IncFunction[] rs = new IncFunction[6];
2256	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2257	>
2258	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2259	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2260	>	checkIncomplete(h0);
2261	>	checkIncomplete(h1);
2262	>	rs[0].assertNotInvoked();
2263	>	rs[1].assertNotInvoked();
2264	>	f.cancel(mayInterruptIfRunning);
2265	>	checkCompletedWithWrappedCancellationException(h0);
2266	>	checkCompletedWithWrappedCancellationException(h1);
2267	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2268	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2269	>	checkCompletedWithWrappedCancellationException(h2);
2270	>	checkCompletedWithWrappedCancellationException(h3);
2271	>	g.complete(v1);
2272	>
2273	>	// unspecified behavior - both source completions available
2274	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2275	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2276	>	try {
2277	>	assertEquals(inc(v1), h4.join());
2278	>	rs[4].assertValue(inc(v1));
2279	>	} catch (CompletionException ok) {
2280	>	checkCompletedWithWrappedCancellationException(h4);
2281	>	rs[4].assertNotInvoked();
2282	>	}
2283	>	try {
2284	>	assertEquals(inc(v1), h5.join());
2285	>	rs[5].assertValue(inc(v1));
2286	>	} catch (CompletionException ok) {
2287	>	checkCompletedWithWrappedCancellationException(h5);
2288	>	rs[5].assertNotInvoked();
2289	>	}
2290
2291	<	/**
2292	<	* acceptEither result completes exceptionally after exceptional
2293	<	* completion of either source
2294	<	*/
2295	<	public void testAcceptEither2() {
2296	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2297	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2298	<	IncAction r = new IncAction();
2299	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2300	<	f.completeExceptionally(new CFException());
2301	<	f2.complete(one);
2302	<	checkCompletedWithWrappedCFException(g);
2291	>	checkCancelled(f);
2292	>	checkCompletedNormally(g, v1);
2293	>	checkCompletedWithWrappedCancellationException(h0);
2294	>	checkCompletedWithWrappedCancellationException(h1);
2295	>	checkCompletedWithWrappedCancellationException(h2);
2296	>	checkCompletedWithWrappedCancellationException(h3);
2297	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2298	>	}}
2299	>
2300	>	public void testApplyToEither_sourceCancelled2() {
2301	>	for (ExecutionMode m : ExecutionMode.values())
2302	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2303	>	for (boolean fFirst : new boolean[] { true, false })
2304	>	for (Integer v1 : new Integer[] { 1, null })
2305	>	{
2306	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2307	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2308	>	final IncFunction[] rs = new IncFunction[6];
2309	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2310	>
2311	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2312	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2313	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2314	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2315	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2316	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2317
2318	<	r = new IncAction();
2319	<	f = new CompletableFuture<>();
2320	<	f2 = new CompletableFuture<>();
2321	<	f2.completeExceptionally(new CFException());
2322	<	g = f.acceptEither(f2, r);
2323	<	checkCompletedWithWrappedCFException(g);
2324	<	}
2318	>	// unspecified behavior - both source completions available
2319	>	try {
2320	>	assertEquals(inc(v1), h0.join());
2321	>	rs[0].assertValue(inc(v1));
2322	>	} catch (CompletionException ok) {
2323	>	checkCompletedWithWrappedCancellationException(h0);
2324	>	rs[0].assertNotInvoked();
2325	>	}
2326	>	try {
2327	>	assertEquals(inc(v1), h1.join());
2328	>	rs[1].assertValue(inc(v1));
2329	>	} catch (CompletionException ok) {
2330	>	checkCompletedWithWrappedCancellationException(h1);
2331	>	rs[1].assertNotInvoked();
2332	>	}
2333	>	try {
2334	>	assertEquals(inc(v1), h2.join());
2335	>	rs[2].assertValue(inc(v1));
2336	>	} catch (CompletionException ok) {
2337	>	checkCompletedWithWrappedCancellationException(h2);
2338	>	rs[2].assertNotInvoked();
2339	>	}
2340	>	try {
2341	>	assertEquals(inc(v1), h3.join());
2342	>	rs[3].assertValue(inc(v1));
2343	>	} catch (CompletionException ok) {
2344	>	checkCompletedWithWrappedCancellationException(h3);
2345	>	rs[3].assertNotInvoked();
2346	>	}
2347
2348	<	/**
2349	<	* acceptEither result completes exceptionally if action does
2350	<	*/
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	<	}
2348	>	checkCompletedNormally(f, v1);
2349	>	checkCancelled(g);
2350	>	}}
2351
2352		/**
2353	<	* acceptEither result completes exceptionally if either source cancelled
2353	>	* applyToEither result completes exceptionally if action does
2354		*/
2355	<	public void testAcceptEither4() {
2356	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2357	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2358	<	IncAction r = new IncAction();
2359	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
2360	<	assertTrue(f.cancel(true));
2361	<	checkCompletedWithWrappedCancellationException(g);
2362	<	f = new CompletableFuture<>();
2363	<	f2 = new CompletableFuture<>();
2364	<	assertTrue(f2.cancel(true));
2365	<	checkCompletedWithWrappedCancellationException(g);
2366	<	}
2355	>	public void testApplyToEither_actionFailed() {
2356	>	for (ExecutionMode m : ExecutionMode.values())
2357	>	for (Integer v1 : new Integer[] { 1, null })
2358	>	for (Integer v2 : new Integer[] { 2, null })
2359	>	{
2360	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2361	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2362	>	final FailingFunction[] rs = new FailingFunction[6];
2363	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2364	>
2365	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2366	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2367	>	f.complete(v1);
2368	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2369	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2370	>	checkCompletedWithWrappedCFException(h0);
2371	>	checkCompletedWithWrappedCFException(h1);
2372	>	checkCompletedWithWrappedCFException(h2);
2373	>	checkCompletedWithWrappedCFException(h3);
2374	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2375	>
2376	>	g.complete(v2);
2377	>
2378	>	// unspecified behavior - both source completions available
2379	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2380	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2381	>
2382	>	checkCompletedWithWrappedCFException(h4);
2383	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2384	>	Objects.equals(v2, rs[4].value));
2385	>	checkCompletedWithWrappedCFException(h5);
2386	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2387	>	Objects.equals(v2, rs[5].value));
2388	>
2389	>	checkCompletedNormally(f, v1);
2390	>	checkCompletedNormally(g, v2);
2391	>	}}
2392
2393		/**
2394	<	* runAfterEither result completes normally after normal completion
2394	>	* acceptEither result completes normally after normal completion
2395		* of either source
2396		*/
2397	<	public void testRunAfterEither() {
2398	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2399	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2400	<	Noop r = new Noop();
2401	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2402	<	f.complete(one);
2403	<	checkCompletedNormally(g, null);
2404	<	f2.complete(one);
2405	<	checkCompletedNormally(g, null);
2406	<	assertTrue(r.ran);
2407	<
2408	<	r = new Noop();
2409	<	f = new CompletableFuture<>();
2410	<	f.complete(one);
2411	<	f2 = new CompletableFuture<>();
2412	<	g = f.runAfterEither(f2, r);
2413	<	checkCompletedNormally(g, null);
2414	<	assertTrue(r.ran);
2415	<	}
2397	>	public void testAcceptEither_normalCompletion() {
2398	>	for (ExecutionMode m : ExecutionMode.values())
2399	>	for (Integer v1 : new Integer[] { 1, null })
2400	>	for (Integer v2 : new Integer[] { 2, null })
2401	>	{
2402	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2403	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2404	>	final NoopConsumer[] rs = new NoopConsumer[6];
2405	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2406	>
2407	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2408	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2409	>	checkIncomplete(h0);
2410	>	checkIncomplete(h1);
2411	>	rs[0].assertNotInvoked();
2412	>	rs[1].assertNotInvoked();
2413	>	f.complete(v1);
2414	>	checkCompletedNormally(h0, null);
2415	>	checkCompletedNormally(h1, null);
2416	>	rs[0].assertValue(v1);
2417	>	rs[1].assertValue(v1);
2418	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2419	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2420	>	checkCompletedNormally(h2, null);
2421	>	checkCompletedNormally(h3, null);
2422	>	rs[2].assertValue(v1);
2423	>	rs[3].assertValue(v1);
2424	>	g.complete(v2);
2425	>
2426	>	// unspecified behavior - both source completions available
2427	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2428	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2429	>	checkCompletedNormally(h4, null);
2430	>	checkCompletedNormally(h5, null);
2431	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2432	>	Objects.equals(v2, rs[4].value));
2433	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2434	>	Objects.equals(v2, rs[5].value));
2435	>
2436	>	checkCompletedNormally(f, v1);
2437	>	checkCompletedNormally(g, v2);
2438	>	checkCompletedNormally(h0, null);
2439	>	checkCompletedNormally(h1, null);
2440	>	checkCompletedNormally(h2, null);
2441	>	checkCompletedNormally(h3, null);
2442	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2443	>	}}
2444
2445		/**
2446	<	* runAfterEither result completes exceptionally after exceptional
2446	>	* acceptEither result completes exceptionally after exceptional
2447		* completion of either source
2448		*/
2449	<	public void testRunAfterEither2() {
2450	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2451	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2452	<	Noop r = new Noop();
2453	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2454	<	f.completeExceptionally(new CFException());
2455	<	f2.complete(one);
2456	<	checkCompletedWithWrappedCFException(g);
2449	>	public void testAcceptEither_exceptionalCompletion() {
2450	>	for (ExecutionMode m : ExecutionMode.values())
2451	>	for (Integer v1 : new Integer[] { 1, null })
2452	>	{
2453	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2454	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2455	>	final CFException ex = new CFException();
2456	>	final NoopConsumer[] rs = new NoopConsumer[6];
2457	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2458	>
2459	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2460	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2461	>	checkIncomplete(h0);
2462	>	checkIncomplete(h1);
2463	>	rs[0].assertNotInvoked();
2464	>	rs[1].assertNotInvoked();
2465	>	f.completeExceptionally(ex);
2466	>	checkCompletedWithWrappedException(h0, ex);
2467	>	checkCompletedWithWrappedException(h1, ex);
2468	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2469	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2470	>	checkCompletedWithWrappedException(h2, ex);
2471	>	checkCompletedWithWrappedException(h3, ex);
2472	>
2473	>	g.complete(v1);
2474	>
2475	>	// unspecified behavior - both source completions available
2476	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2477	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2478	>	try {
2479	>	assertNull(h4.join());
2480	>	rs[4].assertValue(v1);
2481	>	} catch (CompletionException ok) {
2482	>	checkCompletedWithWrappedException(h4, ex);
2483	>	rs[4].assertNotInvoked();
2484	>	}
2485	>	try {
2486	>	assertNull(h5.join());
2487	>	rs[5].assertValue(v1);
2488	>	} catch (CompletionException ok) {
2489	>	checkCompletedWithWrappedException(h5, ex);
2490	>	rs[5].assertNotInvoked();
2491	>	}
2492
2493	<	r = new Noop();
2494	<	f = new CompletableFuture<>();
2495	<	f2 = new CompletableFuture<>();
2496	<	f2.completeExceptionally(new CFException());
2497	<	g = f.runAfterEither(f2, r);
2498	<	checkCompletedWithWrappedCFException(g);
2499	<	}
2493	>	checkCompletedExceptionally(f, ex);
2494	>	checkCompletedNormally(g, v1);
2495	>	checkCompletedWithWrappedException(h0, ex);
2496	>	checkCompletedWithWrappedException(h1, ex);
2497	>	checkCompletedWithWrappedException(h2, ex);
2498	>	checkCompletedWithWrappedException(h3, ex);
2499	>	checkCompletedWithWrappedException(h4, ex);
2500	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2501	>	}}
2502	>
2503	>	public void testAcceptEither_exceptionalCompletion2() {
2504	>	for (ExecutionMode m : ExecutionMode.values())
2505	>	for (boolean fFirst : new boolean[] { true, false })
2506	>	for (Integer v1 : new Integer[] { 1, null })
2507	>	{
2508	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2509	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2510	>	final CFException ex = new CFException();
2511	>	final NoopConsumer[] rs = new NoopConsumer[6];
2512	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2513	>
2514	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2515	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2516	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2517	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2518	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2519	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2520
2521	<	/**
2522	<	* runAfterEither result completes exceptionally if action does
2523	<	*/
2524	<	public void testRunAfterEither3() {
2525	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2526	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2527	<	FailingNoop r = new FailingNoop();
2528	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
2529	<	f2.complete(two);
2530	<	checkCompletedWithWrappedCFException(g);
2531	<	}
2521	>	// unspecified behavior - both source completions available
2522	>	try {
2523	>	assertEquals(null, h0.join());
2524	>	rs[0].assertValue(v1);
2525	>	} catch (CompletionException ok) {
2526	>	checkCompletedWithWrappedException(h0, ex);
2527	>	rs[0].assertNotInvoked();
2528	>	}
2529	>	try {
2530	>	assertEquals(null, h1.join());
2531	>	rs[1].assertValue(v1);
2532	>	} catch (CompletionException ok) {
2533	>	checkCompletedWithWrappedException(h1, ex);
2534	>	rs[1].assertNotInvoked();
2535	>	}
2536	>	try {
2537	>	assertEquals(null, h2.join());
2538	>	rs[2].assertValue(v1);
2539	>	} catch (CompletionException ok) {
2540	>	checkCompletedWithWrappedException(h2, ex);
2541	>	rs[2].assertNotInvoked();
2542	>	}
2543	>	try {
2544	>	assertEquals(null, h3.join());
2545	>	rs[3].assertValue(v1);
2546	>	} catch (CompletionException ok) {
2547	>	checkCompletedWithWrappedException(h3, ex);
2548	>	rs[3].assertNotInvoked();
2549	>	}
2550
2551	<	/**
2552	<	* runAfterEither result completes exceptionally if either source cancelled
2553	<	*/
1231	<	public void testRunAfterEither4() {
1232	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1233	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1234	<	Noop r = new Noop();
1235	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1236	<	assertTrue(f.cancel(true));
1237	<	checkCompletedWithWrappedCancellationException(g);
1238	<	f = new CompletableFuture<>();
1239	<	f2 = new CompletableFuture<>();
1240	<	assertTrue(f2.cancel(true));
1241	<	checkCompletedWithWrappedCancellationException(g);
1242	<	}
2551	>	checkCompletedNormally(f, v1);
2552	>	checkCompletedExceptionally(g, ex);
2553	>	}}
2554
2555		/**
2556	<	* thenCompose result completes normally after normal completion of source
2556	>	* acceptEither result completes exceptionally if either source cancelled
2557		*/
2558	<	public void testThenCompose() {
2559	<	CompletableFuture<Integer> f, g;
2560	<	CompletableFutureInc r;
2561	<
2562	<	f = new CompletableFuture<>();
2563	<	g = f.thenCompose(r = new CompletableFutureInc());
2564	<	f.complete(one);
2565	<	checkCompletedNormally(g, two);
2566	<	assertTrue(r.ran);
2558	>	public void testAcceptEither_sourceCancelled() {
2559	>	for (ExecutionMode m : ExecutionMode.values())
2560	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2561	>	for (Integer v1 : new Integer[] { 1, null })
2562	>	{
2563	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2564	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2565	>	final NoopConsumer[] rs = new NoopConsumer[6];
2566	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2567	>
2568	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2569	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2570	>	checkIncomplete(h0);
2571	>	checkIncomplete(h1);
2572	>	rs[0].assertNotInvoked();
2573	>	rs[1].assertNotInvoked();
2574	>	f.cancel(mayInterruptIfRunning);
2575	>	checkCompletedWithWrappedCancellationException(h0);
2576	>	checkCompletedWithWrappedCancellationException(h1);
2577	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2578	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2579	>	checkCompletedWithWrappedCancellationException(h2);
2580	>	checkCompletedWithWrappedCancellationException(h3);
2581	>
2582	>	g.complete(v1);
2583	>
2584	>	// unspecified behavior - both source completions available
2585	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2586	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2587	>	try {
2588	>	assertNull(h4.join());
2589	>	rs[4].assertValue(v1);
2590	>	} catch (CompletionException ok) {
2591	>	checkCompletedWithWrappedCancellationException(h4);
2592	>	rs[4].assertNotInvoked();
2593	>	}
2594	>	try {
2595	>	assertNull(h5.join());
2596	>	rs[5].assertValue(v1);
2597	>	} catch (CompletionException ok) {
2598	>	checkCompletedWithWrappedCancellationException(h5);
2599	>	rs[5].assertNotInvoked();
2600	>	}
2601
2602	<	f = new CompletableFuture<>();
2603	<	f.complete(one);
2604	<	g = f.thenCompose(r = new CompletableFutureInc());
2605	<	checkCompletedNormally(g, two);
2606	<	assertTrue(r.ran);
2607	<	}
2602	>	checkCancelled(f);
2603	>	checkCompletedNormally(g, v1);
2604	>	checkCompletedWithWrappedCancellationException(h0);
2605	>	checkCompletedWithWrappedCancellationException(h1);
2606	>	checkCompletedWithWrappedCancellationException(h2);
2607	>	checkCompletedWithWrappedCancellationException(h3);
2608	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2609	>	}}
2610
2611		/**
2612	<	* thenCompose result completes exceptionally after exceptional
1266	<	* completion of source
2612	>	* acceptEither result completes exceptionally if action does
2613		*/
2614	<	public void testThenCompose2() {
2615	<	CompletableFuture<Integer> f, g;
2616	<	CompletableFutureInc r;
2617	<
2618	<	f = new CompletableFuture<>();
2619	<	g = f.thenCompose(r = new CompletableFutureInc());
2620	<	f.completeExceptionally(new CFException());
2621	<	checkCompletedWithWrappedCFException(g);
2622	<
2623	<	f = new CompletableFuture<>();
2624	<	f.completeExceptionally(new CFException());
2625	<	g = f.thenCompose(r = new CompletableFutureInc());
2626	<	checkCompletedWithWrappedCFException(g);
2627	<	}
2614	>	public void testAcceptEither_actionFailed() {
2615	>	for (ExecutionMode m : ExecutionMode.values())
2616	>	for (Integer v1 : new Integer[] { 1, null })
2617	>	for (Integer v2 : new Integer[] { 2, null })
2618	>	{
2619	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2620	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2621	>	final FailingConsumer[] rs = new FailingConsumer[6];
2622	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2623	>
2624	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2625	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2626	>	f.complete(v1);
2627	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2628	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2629	>	checkCompletedWithWrappedCFException(h0);
2630	>	checkCompletedWithWrappedCFException(h1);
2631	>	checkCompletedWithWrappedCFException(h2);
2632	>	checkCompletedWithWrappedCFException(h3);
2633	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2634	>
2635	>	g.complete(v2);
2636	>
2637	>	// unspecified behavior - both source completions available
2638	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2639	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2640	>
2641	>	checkCompletedWithWrappedCFException(h4);
2642	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2643	>	Objects.equals(v2, rs[4].value));
2644	>	checkCompletedWithWrappedCFException(h5);
2645	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2646	>	Objects.equals(v2, rs[5].value));
2647	>
2648	>	checkCompletedNormally(f, v1);
2649	>	checkCompletedNormally(g, v2);
2650	>	}}
2651
2652		/**
2653	<	* thenCompose result completes exceptionally if action does
2653	>	* runAfterEither result completes normally after normal completion
2654	>	* of either source
2655		*/
2656	<	public void testThenCompose3() {
2657	<	CompletableFuture<Integer> f, g;
2658	<	FailingCompletableFutureFunction r;
2659	<
2660	<	f = new CompletableFuture<>();
2661	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2662	<	f.complete(one);
2663	<	checkCompletedWithWrappedCFException(g);
2664	<
2665	<	f = new CompletableFuture<>();
2666	<	f.complete(one);
2667	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2668	<	checkCompletedWithWrappedCFException(g);
2669	<	}
2656	>	public void testRunAfterEither_normalCompletion() {
2657	>	for (ExecutionMode m : ExecutionMode.values())
2658	>	for (Integer v1 : new Integer[] { 1, null })
2659	>	for (Integer v2 : new Integer[] { 2, null })
2660	>	{
2661	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2662	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2663	>	final Noop[] rs = new Noop[6];
2664	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2665	>
2666	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2667	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2668	>	checkIncomplete(h0);
2669	>	checkIncomplete(h1);
2670	>	rs[0].assertNotInvoked();
2671	>	rs[1].assertNotInvoked();
2672	>	f.complete(v1);
2673	>	checkCompletedNormally(h0, null);
2674	>	checkCompletedNormally(h1, null);
2675	>	rs[0].assertInvoked();
2676	>	rs[1].assertInvoked();
2677	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2678	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2679	>	checkCompletedNormally(h2, null);
2680	>	checkCompletedNormally(h3, null);
2681	>	rs[2].assertInvoked();
2682	>	rs[3].assertInvoked();
2683	>
2684	>	g.complete(v2);
2685	>
2686	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2687	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2688	>
2689	>	checkCompletedNormally(f, v1);
2690	>	checkCompletedNormally(g, v2);
2691	>	checkCompletedNormally(h0, null);
2692	>	checkCompletedNormally(h1, null);
2693	>	checkCompletedNormally(h2, null);
2694	>	checkCompletedNormally(h3, null);
2695	>	checkCompletedNormally(h4, null);
2696	>	checkCompletedNormally(h5, null);
2697	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2698	>	}}
2699
2700		/**
2701	<	* thenCompose result completes exceptionally if source cancelled
2701	>	* runAfterEither result completes exceptionally after exceptional
2702	>	* completion of either source
2703		*/
2704	<	public void testThenCompose4() {
2705	<	CompletableFuture<Integer> f, g;
2706	<	CompletableFutureInc r;
2707	<
2708	<	f = new CompletableFuture<>();
2709	<	g = f.thenCompose(r = new CompletableFutureInc());
2710	<	assertTrue(f.cancel(true));
2711	<	checkCompletedWithWrappedCancellationException(g);
2712	<
2713	<	f = new CompletableFuture<>();
2714	<	assertTrue(f.cancel(true));
2715	<	g = f.thenCompose(r = new CompletableFutureInc());
2716	<	checkCompletedWithWrappedCancellationException(g);
2717	<	}
2704	>	public void testRunAfterEither_exceptionalCompletion() {
2705	>	for (ExecutionMode m : ExecutionMode.values())
2706	>	for (Integer v1 : new Integer[] { 1, null })
2707	>	{
2708	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2709	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2710	>	final CFException ex = new CFException();
2711	>	final Noop[] rs = new Noop[6];
2712	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2713	>
2714	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2715	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2716	>	checkIncomplete(h0);
2717	>	checkIncomplete(h1);
2718	>	rs[0].assertNotInvoked();
2719	>	rs[1].assertNotInvoked();
2720	>	assertTrue(f.completeExceptionally(ex));
2721	>	checkCompletedWithWrappedException(h0, ex);
2722	>	checkCompletedWithWrappedException(h1, ex);
2723	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2724	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2725	>	checkCompletedWithWrappedException(h2, ex);
2726	>	checkCompletedWithWrappedException(h3, ex);
2727	>
2728	>	assertTrue(g.complete(v1));
2729	>
2730	>	// unspecified behavior - both source completions available
2731	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2732	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2733	>	try {
2734	>	assertNull(h4.join());
2735	>	rs[4].assertInvoked();
2736	>	} catch (CompletionException ok) {
2737	>	checkCompletedWithWrappedException(h4, ex);
2738	>	rs[4].assertNotInvoked();
2739	>	}
2740	>	try {
2741	>	assertNull(h5.join());
2742	>	rs[5].assertInvoked();
2743	>	} catch (CompletionException ok) {
2744	>	checkCompletedWithWrappedException(h5, ex);
2745	>	rs[5].assertNotInvoked();
2746	>	}
2747
2748	<	// asyncs
2748	>	checkCompletedExceptionally(f, ex);
2749	>	checkCompletedNormally(g, v1);
2750	>	checkCompletedWithWrappedException(h0, ex);
2751	>	checkCompletedWithWrappedException(h1, ex);
2752	>	checkCompletedWithWrappedException(h2, ex);
2753	>	checkCompletedWithWrappedException(h3, ex);
2754	>	checkCompletedWithWrappedException(h4, ex);
2755	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2756	>	}}
2757	>
2758	>	public void testRunAfterEither_exceptionalCompletion2() {
2759	>	for (ExecutionMode m : ExecutionMode.values())
2760	>	for (boolean fFirst : new boolean[] { true, false })
2761	>	for (Integer v1 : new Integer[] { 1, null })
2762	>	{
2763	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2764	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2765	>	final CFException ex = new CFException();
2766	>	final Noop[] rs = new Noop[6];
2767	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2768	>
2769	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2770	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2771	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2772	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2773	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2774	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2775
2776	<	/**
2777	<	* thenRunAsync result completes normally after normal completion of source
2778	<	*/
2779	<	public void testThenRunAsync() {
2780	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2781	<	Noop r = new Noop();
2782	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2783	<	f.complete(null);
2784	<	checkCompletedNormally(g, null);
2776	>	// unspecified behavior - both source completions available
2777	>	try {
2778	>	assertEquals(null, h0.join());
2779	>	rs[0].assertInvoked();
2780	>	} catch (CompletionException ok) {
2781	>	checkCompletedWithWrappedException(h0, ex);
2782	>	rs[0].assertNotInvoked();
2783	>	}
2784	>	try {
2785	>	assertEquals(null, h1.join());
2786	>	rs[1].assertInvoked();
2787	>	} catch (CompletionException ok) {
2788	>	checkCompletedWithWrappedException(h1, ex);
2789	>	rs[1].assertNotInvoked();
2790	>	}
2791	>	try {
2792	>	assertEquals(null, h2.join());
2793	>	rs[2].assertInvoked();
2794	>	} catch (CompletionException ok) {
2795	>	checkCompletedWithWrappedException(h2, ex);
2796	>	rs[2].assertNotInvoked();
2797	>	}
2798	>	try {
2799	>	assertEquals(null, h3.join());
2800	>	rs[3].assertInvoked();
2801	>	} catch (CompletionException ok) {
2802	>	checkCompletedWithWrappedException(h3, ex);
2803	>	rs[3].assertNotInvoked();
2804	>	}
2805
2806	<	// reordered version
2807	<	f = new CompletableFuture<>();
2808	<	f.complete(null);
1334	<	r = new Noop();
1335	<	g = f.thenRunAsync(r);
1336	<	checkCompletedNormally(g, null);
1337	<	}
2806	>	checkCompletedNormally(f, v1);
2807	>	checkCompletedExceptionally(g, ex);
2808	>	}}
2809
2810		/**
2811	<	* thenRunAsync result completes exceptionally after exceptional
1341	<	* completion of source
2811	>	* runAfterEither result completes exceptionally if either source cancelled
2812		*/
2813	<	public void testThenRunAsync2() {
2814	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2815	<	Noop r = new Noop();
2816	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2817	<	f.completeExceptionally(new CFException());
2813	>	public void testRunAfterEither_sourceCancelled() {
2814	>	for (ExecutionMode m : ExecutionMode.values())
2815	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2816	>	for (Integer v1 : new Integer[] { 1, null })
2817	>	{
2818	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2819	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2820	>	final Noop[] rs = new Noop[6];
2821	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2822	>
2823	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2824	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2825	>	checkIncomplete(h0);
2826	>	checkIncomplete(h1);
2827	>	rs[0].assertNotInvoked();
2828	>	rs[1].assertNotInvoked();
2829	>	f.cancel(mayInterruptIfRunning);
2830	>	checkCompletedWithWrappedCancellationException(h0);
2831	>	checkCompletedWithWrappedCancellationException(h1);
2832	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2833	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2834	>	checkCompletedWithWrappedCancellationException(h2);
2835	>	checkCompletedWithWrappedCancellationException(h3);
2836	>
2837	>	assertTrue(g.complete(v1));
2838	>
2839	>	// unspecified behavior - both source completions available
2840	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2841	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2842		try {
2843	<	g.join();
2844	<	shouldThrow();
2845	<	} catch (CompletionException success) {}
2846	<	checkCompletedWithWrappedCFException(g);
2847	<	}
2843	>	assertNull(h4.join());
2844	>	rs[4].assertInvoked();
2845	>	} catch (CompletionException ok) {
2846	>	checkCompletedWithWrappedCancellationException(h4);
2847	>	rs[4].assertNotInvoked();
2848	>	}
2849	>	try {
2850	>	assertNull(h5.join());
2851	>	rs[5].assertInvoked();
2852	>	} catch (CompletionException ok) {
2853	>	checkCompletedWithWrappedCancellationException(h5);
2854	>	rs[5].assertNotInvoked();
2855	>	}
2856
2857	<	/**
2858	<	* thenRunAsync result completes exceptionally if action does
2859	<	*/
2860	<	public void testThenRunAsync3() {
2861	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2862	<	FailingNoop r = new FailingNoop();
2863	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2864	<	f.complete(null);
1363	<	checkCompletedWithWrappedCFException(g);
1364	<	}
2857	>	checkCancelled(f);
2858	>	checkCompletedNormally(g, v1);
2859	>	checkCompletedWithWrappedCancellationException(h0);
2860	>	checkCompletedWithWrappedCancellationException(h1);
2861	>	checkCompletedWithWrappedCancellationException(h2);
2862	>	checkCompletedWithWrappedCancellationException(h3);
2863	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2864	>	}}
2865
2866		/**
2867	<	* thenRunAsync result completes exceptionally if source cancelled
2867	>	* runAfterEither result completes exceptionally if action does
2868		*/
2869	<	public void testThenRunAsync4() {
2870	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2871	<	Noop r = new Noop();
2872	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2873	<	assertTrue(f.cancel(true));
2874	<	checkCompletedWithWrappedCancellationException(g);
2875	<	}
2869	>	public void testRunAfterEither_actionFailed() {
2870	>	for (ExecutionMode m : ExecutionMode.values())
2871	>	for (Integer v1 : new Integer[] { 1, null })
2872	>	for (Integer v2 : new Integer[] { 2, null })
2873	>	{
2874	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2875	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2876	>	final FailingRunnable[] rs = new FailingRunnable[6];
2877	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2878	>
2879	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2880	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2881	>	assertTrue(f.complete(v1));
2882	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2883	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2884	>	checkCompletedWithWrappedCFException(h0);
2885	>	checkCompletedWithWrappedCFException(h1);
2886	>	checkCompletedWithWrappedCFException(h2);
2887	>	checkCompletedWithWrappedCFException(h3);
2888	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2889	>	assertTrue(g.complete(v2));
2890	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2891	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2892	>	checkCompletedWithWrappedCFException(h4);
2893	>	checkCompletedWithWrappedCFException(h5);
2894	>
2895	>	checkCompletedNormally(f, v1);
2896	>	checkCompletedNormally(g, v2);
2897	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2898	>	}}
2899
2900		/**
2901	<	* thenApplyAsync result completes normally after normal completion of source
2901	>	* thenCompose result completes normally after normal completion of source
2902		*/
2903	<	public void testThenApplyAsync() {
2904	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2905	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2906	<	f.complete(one);
2907	<	checkCompletedNormally(g, two);
2908	<	}
2903	>	public void testThenCompose_normalCompletion() {
2904	>	for (ExecutionMode m : ExecutionMode.values())
2905	>	for (boolean createIncomplete : new boolean[] { true, false })
2906	>	for (Integer v1 : new Integer[] { 1, null })
2907	>	{
2908	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2909	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2910	>	if (!createIncomplete) assertTrue(f.complete(v1));
2911	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2912	>	if (createIncomplete) assertTrue(f.complete(v1));
2913	>
2914	>	checkCompletedNormally(g, inc(v1));
2915	>	checkCompletedNormally(f, v1);
2916	>	r.assertValue(v1);
2917	>	}}
2918
2919		/**
2920	<	* thenApplyAsync result completes exceptionally after exceptional
2920	>	* thenCompose result completes exceptionally after exceptional
2921		* completion of source
2922		*/
2923	<	public void testThenApplyAsync2() {
2924	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2925	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2926	<	f.completeExceptionally(new CFException());
2927	<	checkCompletedWithWrappedCFException(g);
2928	<	}
2923	>	public void testThenCompose_exceptionalCompletion() {
2924	>	for (ExecutionMode m : ExecutionMode.values())
2925	>	for (boolean createIncomplete : new boolean[] { true, false })
2926	>	{
2927	>	final CFException ex = new CFException();
2928	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2929	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2930	>	if (!createIncomplete) f.completeExceptionally(ex);
2931	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2932	>	if (createIncomplete) f.completeExceptionally(ex);
2933	>
2934	>	checkCompletedWithWrappedException(g, ex);
2935	>	checkCompletedExceptionally(f, ex);
2936	>	r.assertNotInvoked();
2937	>	}}
2938
2939		/**
2940	<	* thenApplyAsync result completes exceptionally if action does
1400	<	*/
1401	<	public void testThenApplyAsync3() {
1402	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1403	<	FailingFunction r = new FailingFunction();
1404	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1405	<	f.complete(null);
1406	<	checkCompletedWithWrappedCFException(g);
1407	<	}
1408	<
1409	<	/**
1410	<	* thenApplyAsync result completes exceptionally if source cancelled
1411	<	*/
1412	<	public void testThenApplyAsync4() {
1413	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1414	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1415	<	assertTrue(f.cancel(true));
1416	<	checkCompletedWithWrappedCancellationException(g);
1417	<	}
1418	<
1419	<	/**
1420	<	* thenAcceptAsync result completes normally after normal
1421	<	* completion of source
2940	>	* thenCompose result completes exceptionally if action does
2941		*/
2942	<	public void testThenAcceptAsync() {
2943	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2944	<	IncAction r = new IncAction();
2945	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2946	<	f.complete(one);
2947	<	checkCompletedNormally(g, null);
2948	<	assertEquals(r.value, 2);
2949	<	}
2942	>	public void testThenCompose_actionFailed() {
2943	>	for (ExecutionMode m : ExecutionMode.values())
2944	>	for (boolean createIncomplete : new boolean[] { true, false })
2945	>	for (Integer v1 : new Integer[] { 1, null })
2946	>	{
2947	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2948	>	final FailingCompletableFutureFunction r
2949	>	= new FailingCompletableFutureFunction(m);
2950	>	if (!createIncomplete) assertTrue(f.complete(v1));
2951	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2952	>	if (createIncomplete) assertTrue(f.complete(v1));
2953
1432	–	/**
1433	–	* thenAcceptAsync result completes exceptionally after exceptional
1434	–	* completion of source
1435	–	*/
1436	–	public void testThenAcceptAsync2() {
1437	–	CompletableFuture<Integer> f = new CompletableFuture<>();
1438	–	IncAction r = new IncAction();
1439	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1440	–	f.completeExceptionally(new CFException());
2954		checkCompletedWithWrappedCFException(g);
2955	<	}
2955	>	checkCompletedNormally(f, v1);
2956	>	}}
2957
2958		/**
2959	<	* thenAcceptAsync result completes exceptionally if action does
2959	>	* thenCompose result completes exceptionally if source cancelled
2960		*/
2961	<	public void testThenAcceptAsync3() {
2962	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2963	<	FailingConsumer r = new FailingConsumer();
2964	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2965	<	f.complete(null);
2966	<	checkCompletedWithWrappedCFException(g);
2967	<	}
2961	>	public void testThenCompose_sourceCancelled() {
2962	>	for (ExecutionMode m : ExecutionMode.values())
2963	>	for (boolean createIncomplete : new boolean[] { true, false })
2964	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2965	>	{
2966	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2967	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2968	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2969	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2970	>	if (createIncomplete) {
2971	>	checkIncomplete(g);
2972	>	assertTrue(f.cancel(mayInterruptIfRunning));
2973	>	}
2974
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));
2975		checkCompletedWithWrappedCancellationException(g);
2976	<	}
2976	>	checkCancelled(f);
2977	>	}}
2978
2979		/**
2980	<	* thenCombineAsync result completes normally after normal
1468	<	* completion of sources
2980	>	* thenCompose result completes exceptionally if the result of the action does
2981		*/
2982	<	public void testThenCombineAsync() {
2983	<	CompletableFuture<Integer> f, g, h;
2984	<
2985	<	f = new CompletableFuture<>();
2986	<	g = new CompletableFuture<>();
2987	<	h = f.thenCombineAsync(g, subtract);
2988	<	f.complete(3);
2989	<	checkIncomplete(h);
2990	<	g.complete(1);
2991	<	checkCompletedNormally(h, 2);
2982	>	public void testThenCompose_actionReturnsFailingFuture() {
2983	>	for (ExecutionMode m : ExecutionMode.values())
2984	>	for (int order = 0; order < 6; order++)
2985	>	for (Integer v1 : new Integer[] { 1, null })
2986	>	{
2987	>	final CFException ex = new CFException();
2988	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2989	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2990	>	final CompletableFuture<Integer> h;
2991	>	// Test all permutations of orders
2992	>	switch (order) {
2993	>	case 0:
2994	>	assertTrue(f.complete(v1));
2995	>	assertTrue(g.completeExceptionally(ex));
2996	>	h = m.thenCompose(f, (x -> g));
2997	>	break;
2998	>	case 1:
2999	>	assertTrue(f.complete(v1));
3000	>	h = m.thenCompose(f, (x -> g));
3001	>	assertTrue(g.completeExceptionally(ex));
3002	>	break;
3003	>	case 2:
3004	>	assertTrue(g.completeExceptionally(ex));
3005	>	assertTrue(f.complete(v1));
3006	>	h = m.thenCompose(f, (x -> g));
3007	>	break;
3008	>	case 3:
3009	>	assertTrue(g.completeExceptionally(ex));
3010	>	h = m.thenCompose(f, (x -> g));
3011	>	assertTrue(f.complete(v1));
3012	>	break;
3013	>	case 4:
3014	>	h = m.thenCompose(f, (x -> g));
3015	>	assertTrue(f.complete(v1));
3016	>	assertTrue(g.completeExceptionally(ex));
3017	>	break;
3018	>	case 5:
3019	>	h = m.thenCompose(f, (x -> g));
3020	>	assertTrue(f.complete(v1));
3021	>	assertTrue(g.completeExceptionally(ex));
3022	>	break;
3023	>	default: throw new AssertionError();
3024	>	}
3025
3026	<	f = new CompletableFuture<>();
3027	<	g = new CompletableFuture<>();
3028	<	h = f.thenCombineAsync(g, subtract);
3029	<	g.complete(1);
1485	<	checkIncomplete(h);
1486	<	f.complete(3);
1487	<	checkCompletedNormally(h, 2);
3026	>	checkCompletedExceptionally(g, ex);
3027	>	checkCompletedWithWrappedException(h, ex);
3028	>	checkCompletedNormally(f, v1);
3029	>	}}
3030
3031	<	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	<	}
3031	>	// other static methods
3032
3033		/**
3034	<	* thenCombineAsync result completes exceptionally after exceptional
3035	<	* completion of either source
3034	>	* allOf(no component futures) returns a future completed normally
3035	>	* with the value null
3036		*/
3037	<	public void testThenCombineAsync2() {
3038	<	CompletableFuture<Integer> f, g, h;
3039	<
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);
3037	>	public void testAllOf_empty() throws Exception {
3038	>	CompletableFuture<Void> f = CompletableFuture.allOf();
3039	>	checkCompletedNormally(f, null);
3040		}
3041
3042		/**
3043	<	* thenCombineAsync result completes exceptionally if action does
3043	>	* allOf returns a future completed normally with the value null
3044	>	* when all components complete normally
3045		*/
3046	<	public void testThenCombineAsync3() {
3047	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3048	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3049	<	FailingBiFunction r = new FailingBiFunction();
3050	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
3051	<	f.complete(one);
3052	<	checkIncomplete(g);
3053	<	assertFalse(r.ran);
3054	<	f2.complete(two);
3055	<	checkCompletedWithWrappedCFException(g);
3056	<	assertTrue(r.ran);
3046	>	public void testAllOf_normal() throws Exception {
3047	>	for (int k = 1; k < 10; k++) {
3048	>	CompletableFuture<Integer>[] fs
3049	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3050	>	for (int i = 0; i < k; i++)
3051	>	fs[i] = new CompletableFuture<>();
3052	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3053	>	for (int i = 0; i < k; i++) {
3054	>	checkIncomplete(f);
3055	>	checkIncomplete(CompletableFuture.allOf(fs));
3056	>	fs[i].complete(one);
3057	>	}
3058	>	checkCompletedNormally(f, null);
3059	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3060	>	}
3061		}
3062
3063	<	/**
3064	<	* thenCombineAsync result completes exceptionally if either source cancelled
3065	<	*/
3066	<	public void testThenCombineAsync4() {
3067	<	CompletableFuture<Integer> f, g, h;
3068	<
3069	<	f = new CompletableFuture<>();
3070	<	g = new CompletableFuture<>();
3071	<	h = f.thenCombineAsync(g, subtract);
3072	<	assertTrue(f.cancel(true));
3073	<	checkIncomplete(h);
3074	<	g.complete(1);
3075	<	checkCompletedWithWrappedCancellationException(h);
3076	<
3077	<	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);
3063	>	public void testAllOf_backwards() throws Exception {
3064	>	for (int k = 1; k < 10; k++) {
3065	>	CompletableFuture<Integer>[] fs
3066	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3067	>	for (int i = 0; i < k; i++)
3068	>	fs[i] = new CompletableFuture<>();
3069	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3070	>	for (int i = k - 1; i >= 0; i--) {
3071	>	checkIncomplete(f);
3072	>	checkIncomplete(CompletableFuture.allOf(fs));
3073	>	fs[i].complete(one);
3074	>	}
3075	>	checkCompletedNormally(f, null);
3076	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3077	>	}
3078		}
3079
3080	<	/**
3081	<	* thenAcceptBothAsync result completes normally after normal
3082	<	* completion of sources
3083	<	*/
3084	<	public void testThenAcceptBothAsync() {
3085	<	CompletableFuture<Integer> f, g;
3086	<	CompletableFuture<Void> h;
3087	<	SubtractAction r;
3088	<
3089	<	f = new CompletableFuture<>();
3090	<	g = new CompletableFuture<>();
3091	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3092	<	f.complete(3);
3093	<	checkIncomplete(h);
3094	<	g.complete(1);
3095	<	checkCompletedNormally(h, null);
3096	<	assertEquals(r.value, 2);
3097	<
3098	<	f = new CompletableFuture<>();
3099	<	g = new CompletableFuture<>();
3100	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3101	<	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);
3080	>	public void testAllOf_exceptional() throws Exception {
3081	>	for (int k = 1; k < 10; k++) {
3082	>	CompletableFuture<Integer>[] fs
3083	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3084	>	CFException ex = new CFException();
3085	>	for (int i = 0; i < k; i++)
3086	>	fs[i] = new CompletableFuture<>();
3087	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3088	>	for (int i = 0; i < k; i++) {
3089	>	checkIncomplete(f);
3090	>	checkIncomplete(CompletableFuture.allOf(fs));
3091	>	if (i != k / 2) {
3092	>	fs[i].complete(i);
3093	>	checkCompletedNormally(fs[i], i);
3094	>	} else {
3095	>	fs[i].completeExceptionally(ex);
3096	>	checkCompletedExceptionally(fs[i], ex);
3097	>	}
3098	>	}
3099	>	checkCompletedWithWrappedException(f, ex);
3100	>	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3101	>	}
3102		}
3103
3104		/**
3105	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1619	<	* completion of source
3105	>	* anyOf(no component futures) returns an incomplete future
3106		*/
3107	<	public void testThenAcceptBothAsync2() {
3108	<	CompletableFuture<Integer> f, g;
3109	<	CompletableFuture<Void> h;
3110	<	SubtractAction r;
3111	<
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);
3107	>	public void testAnyOf_empty() throws Exception {
3108	>	for (Integer v1 : new Integer[] { 1, null })
3109	>	{
3110	>	CompletableFuture<Object> f = CompletableFuture.anyOf();
3111	>	checkIncomplete(f);
3112
3113	<	f = new CompletableFuture<>();
3114	<	g = new CompletableFuture<>();
3115	<	f.complete(3);
1645	<	g.completeExceptionally(new CFException());
1646	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1647	<	checkCompletedWithWrappedCFException(h);
1648	<
1649	<	f = new CompletableFuture<>();
1650	<	g = new CompletableFuture<>();
1651	<	f.completeExceptionally(new CFException());
1652	<	g.complete(3);
1653	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1654	<	checkCompletedWithWrappedCFException(h);
1655	<	}
3113	>	f.complete(v1);
3114	>	checkCompletedNormally(f, v1);
3115	>	}}
3116
3117		/**
3118	<	* thenAcceptBothAsync result completes exceptionally if action does
3118	>	* anyOf returns a future completed normally with a value when
3119	>	* a component future does
3120		*/
3121	<	public void testThenAcceptBothAsync3() {
3122	<	CompletableFuture<Integer> f, g;
3123	<	CompletableFuture<Void> h;
3124	<	FailingBiConsumer r;
3125	<
3126	<	f = new CompletableFuture<>();
3127	<	g = new CompletableFuture<>();
3128	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
3129	<	f.complete(3);
3130	<	checkIncomplete(h);
3131	<	g.complete(1);
3132	<	checkCompletedWithWrappedCFException(h);
3133	<
3134	<	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);
3121	>	public void testAnyOf_normal() throws Exception {
3122	>	for (int k = 0; k < 10; k++) {
3123	>	CompletableFuture[] fs = new CompletableFuture[k];
3124	>	for (int i = 0; i < k; i++)
3125	>	fs[i] = new CompletableFuture<>();
3126	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3127	>	checkIncomplete(f);
3128	>	for (int i = 0; i < k; i++) {
3129	>	fs[i].complete(i);
3130	>	checkCompletedNormally(f, 0);
3131	>	int x = (int) CompletableFuture.anyOf(fs).join();
3132	>	assertTrue(0 <= x && x <= i);
3133	>	}
3134	>	}
3135		}
3136	<
3137	<	/**
3138	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
3139	<	*/
3140	<	public void testThenAcceptBothAsync4() {
3141	<	CompletableFuture<Integer> f, g;
3142	<	CompletableFuture<Void> h;
3143	<	SubtractAction r;
3144	<
3145	<	f = new CompletableFuture<>();
3146	<	g = new CompletableFuture<>();
3147	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
3148	<	assertTrue(f.cancel(true));
3149	<	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);
3136	>	public void testAnyOf_normal_backwards() throws Exception {
3137	>	for (int k = 0; k < 10; k++) {
3138	>	CompletableFuture[] fs = new CompletableFuture[k];
3139	>	for (int i = 0; i < k; i++)
3140	>	fs[i] = new CompletableFuture<>();
3141	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3142	>	checkIncomplete(f);
3143	>	for (int i = k - 1; i >= 0; i--) {
3144	>	fs[i].complete(i);
3145	>	checkCompletedNormally(f, k - 1);
3146	>	int x = (int) CompletableFuture.anyOf(fs).join();
3147	>	assertTrue(i <= x && x <= k - 1);
3148	>	}
3149	>	}
3150		}
3151
3152		/**
3153	<	* runAfterBothAsync result completes normally after normal
1722	<	* completion of sources
3153	>	* anyOf result completes exceptionally when any component does.
3154		*/
3155	<	public void testRunAfterBothAsync() {
3156	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3157	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3158	<	Noop r = new Noop();
3159	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3160	<	f.complete(one);
3161	<	checkIncomplete(g);
3162	<	f2.complete(two);
3163	<	checkCompletedNormally(g, null);
3164	<	assertTrue(r.ran);
3155	>	public void testAnyOf_exceptional() throws Exception {
3156	>	for (int k = 0; k < 10; k++) {
3157	>	CompletableFuture[] fs = new CompletableFuture[k];
3158	>	CFException[] exs = new CFException[k];
3159	>	for (int i = 0; i < k; i++) {
3160	>	fs[i] = new CompletableFuture<>();
3161	>	exs[i] = new CFException();
3162	>	}
3163	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3164	>	checkIncomplete(f);
3165	>	for (int i = 0; i < k; i++) {
3166	>	fs[i].completeExceptionally(exs[i]);
3167	>	checkCompletedWithWrappedException(f, exs[0]);
3168	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3169	>	}
3170	>	}
3171		}
3172
3173	<	/**
3174	<	* runAfterBothAsync result completes exceptionally after exceptional
3175	<	* completion of source
3176	<	*/
3177	<	public void testRunAfterBothAsync2() {
3178	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3179	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3180	<	Noop r = new Noop();
3181	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3182	<	f.completeExceptionally(new CFException());
3183	<	f2.complete(two);
3184	<	checkCompletedWithWrappedCFException(g);
3185	<
3186	<	r = new Noop();
3187	<	f = new CompletableFuture<>();
3188	<	f2 = new CompletableFuture<>();
1752	<	g = f.runAfterBothAsync(f2, r);
1753	<	f.complete(one);
1754	<	f2.completeExceptionally(new CFException());
1755	<	checkCompletedWithWrappedCFException(g);
3173	>	public void testAnyOf_exceptional_backwards() throws Exception {
3174	>	for (int k = 0; k < 10; k++) {
3175	>	CompletableFuture[] fs = new CompletableFuture[k];
3176	>	CFException[] exs = new CFException[k];
3177	>	for (int i = 0; i < k; i++) {
3178	>	fs[i] = new CompletableFuture<>();
3179	>	exs[i] = new CFException();
3180	>	}
3181	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3182	>	checkIncomplete(f);
3183	>	for (int i = k - 1; i >= 0; i--) {
3184	>	fs[i].completeExceptionally(exs[i]);
3185	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3186	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3187	>	}
3188	>	}
3189		}
3190
3191		/**
3192	<	* runAfterBothAsync result completes exceptionally if action does
3192	>	* Completion methods throw NullPointerException with null arguments
3193		*/
3194	<	public void testRunAfterBothAsync3() {
3194	>	public void testNPE() {
3195		CompletableFuture<Integer> f = new CompletableFuture<>();
3196	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3197	<	FailingNoop r = new FailingNoop();
3198	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1766	<	f.complete(one);
1767	<	checkIncomplete(g);
1768	<	f2.complete(two);
1769	<	checkCompletedWithWrappedCFException(g);
1770	<	}
3196	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3197	>	CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3198	>	ThreadExecutor exec = new ThreadExecutor();
3199
3200	<	/**
3201	<	* runAfterBothAsync result completes exceptionally if either source cancelled
3202	<	*/
3203	<	public void testRunAfterBothAsync4() {
3204	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3205	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3206	<	Noop r = new Noop();
3207	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
3208	<	assertTrue(f.cancel(true));
3209	<	f2.complete(two);
3210	<	checkCompletedWithWrappedCancellationException(g);
3200	>	Runnable[] throwingActions = {
3201	>	() -> CompletableFuture.supplyAsync(null),
3202	>	() -> CompletableFuture.supplyAsync(null, exec),
3203	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3204	>
3205	>	() -> CompletableFuture.runAsync(null),
3206	>	() -> CompletableFuture.runAsync(null, exec),
3207	>	() -> CompletableFuture.runAsync(() -> {}, null),
3208	>
3209	>	() -> f.completeExceptionally(null),
3210	>
3211	>	() -> f.thenApply(null),
3212	>	() -> f.thenApplyAsync(null),
3213	>	() -> f.thenApplyAsync((x) -> x, null),
3214	>	() -> f.thenApplyAsync(null, exec),
3215	>
3216	>	() -> f.thenAccept(null),
3217	>	() -> f.thenAcceptAsync(null),
3218	>	() -> f.thenAcceptAsync((x) -> {} , null),
3219	>	() -> f.thenAcceptAsync(null, exec),
3220	>
3221	>	() -> f.thenRun(null),
3222	>	() -> f.thenRunAsync(null),
3223	>	() -> f.thenRunAsync(() -> {} , null),
3224	>	() -> f.thenRunAsync(null, exec),
3225	>
3226	>	() -> f.thenCombine(g, null),
3227	>	() -> f.thenCombineAsync(g, null),
3228	>	() -> f.thenCombineAsync(g, null, exec),
3229	>	() -> f.thenCombine(nullFuture, (x, y) -> x),
3230	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
3231	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
3232	>	() -> f.thenCombineAsync(g, (x, y) -> x, null),
3233	>
3234	>	() -> f.thenAcceptBoth(g, null),
3235	>	() -> f.thenAcceptBothAsync(g, null),
3236	>	() -> f.thenAcceptBothAsync(g, null, exec),
3237	>	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
3238	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
3239	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
3240	>	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
3241	>
3242	>	() -> f.runAfterBoth(g, null),
3243	>	() -> f.runAfterBothAsync(g, null),
3244	>	() -> f.runAfterBothAsync(g, null, exec),
3245	>	() -> f.runAfterBoth(nullFuture, () -> {}),
3246	>	() -> f.runAfterBothAsync(nullFuture, () -> {}),
3247	>	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
3248	>	() -> f.runAfterBothAsync(g, () -> {}, null),
3249	>
3250	>	() -> f.applyToEither(g, null),
3251	>	() -> f.applyToEitherAsync(g, null),
3252	>	() -> f.applyToEitherAsync(g, null, exec),
3253	>	() -> f.applyToEither(nullFuture, (x) -> x),
3254	>	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3255	>	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3256	>	() -> f.applyToEitherAsync(g, (x) -> x, null),
3257	>
3258	>	() -> f.acceptEither(g, null),
3259	>	() -> f.acceptEitherAsync(g, null),
3260	>	() -> f.acceptEitherAsync(g, null, exec),
3261	>	() -> f.acceptEither(nullFuture, (x) -> {}),
3262	>	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3263	>	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3264	>	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3265	>
3266	>	() -> f.runAfterEither(g, null),
3267	>	() -> f.runAfterEitherAsync(g, null),
3268	>	() -> f.runAfterEitherAsync(g, null, exec),
3269	>	() -> f.runAfterEither(nullFuture, () -> {}),
3270	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
3271	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
3272	>	() -> f.runAfterEitherAsync(g, () -> {}, null),
3273	>
3274	>	() -> f.thenCompose(null),
3275	>	() -> f.thenComposeAsync(null),
3276	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3277	>	() -> f.thenComposeAsync(null, exec),
3278	>
3279	>	() -> f.exceptionally(null),
3280	>
3281	>	() -> f.handle(null),
3282	>
3283	>	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
3284	>	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
3285	>	() -> CompletableFuture.allOf(f, null),
3286	>	() -> CompletableFuture.allOf(null, f),
3287	>
3288	>	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
3289	>	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
3290	>	() -> CompletableFuture.anyOf(f, null),
3291	>	() -> CompletableFuture.anyOf(null, f),
3292	>
3293	>	() -> f.obtrudeException(null),
3294	>
3295	>	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3296	>	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3297	>	() -> CompletableFuture.delayedExecutor(1L, null),
3298
3299	<	r = new Noop();
3300	<	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	<	}
3299	>	() -> f.orTimeout(1L, null),
3300	>	() -> f.completeOnTimeout(42, 1L, null),
3301
3302	<	/**
3303	<	* applyToEitherAsync result completes normally after normal
3304	<	* 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);
3302	>	() -> CompletableFuture.failedFuture(null),
3303	>	() -> CompletableFuture.failedStage(null),
3304	>	};
3305
3306	<	f = new CompletableFuture<>();
3307	<	f.complete(one);
1806	<	f2 = new CompletableFuture<>();
1807	<	g = f.applyToEitherAsync(f2, inc);
1808	<	checkCompletedNormally(g, two);
3306	>	assertThrows(NullPointerException.class, throwingActions);
3307	>	assertEquals(0, exec.count.get());
3308		}
3309
3310		/**
3311	<	* applyToEitherAsync result completes exceptionally after exceptional
1813	<	* completion of source
3311	>	* toCompletableFuture returns this CompletableFuture.
3312		*/
3313	<	public void testApplyToEitherAsync2() {
3313	>	public void testToCompletableFuture() {
3314		CompletableFuture<Integer> f = new CompletableFuture<>();
3315	<	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);
3315	>	assertSame(f, f.toCompletableFuture());
3316		}
3317
3318	<	/**
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	<	}
3318	>	// jdk9
3319
3320		/**
3321	<	* applyToEitherAsync result completes exceptionally if either source cancelled
3321	>	* newIncompleteFuture returns an incomplete CompletableFuture
3322		*/
3323	<	public void testApplyToEitherAsync4() {
3323	>	public void testNewIncompleteFuture() {
3324	>	for (Integer v1 : new Integer[] { 1, null })
3325	>	{
3326		CompletableFuture<Integer> f = new CompletableFuture<>();
3327	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3328	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
3329	<	assertTrue(f.cancel(true));
3330	<	checkCompletedWithWrappedCancellationException(g);
3331	<
3332	<	f = new CompletableFuture<>();
3333	<	f2 = new CompletableFuture<>();
3334	<	assertTrue(f2.cancel(true));
3335	<	g = f.applyToEitherAsync(f2, inc);
3336	<	checkCompletedWithWrappedCancellationException(g);
1857	<	}
3327	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3328	>	checkIncomplete(f);
3329	>	checkIncomplete(g);
3330	>	f.complete(v1);
3331	>	checkCompletedNormally(f, v1);
3332	>	checkIncomplete(g);
3333	>	g.complete(v1);
3334	>	checkCompletedNormally(g, v1);
3335	>	assertSame(g.getClass(), CompletableFuture.class);
3336	>	}}
3337
3338		/**
3339	<	* acceptEitherAsync result completes normally after normal
1861	<	* completion of sources
3339	>	* completedStage returns a completed CompletionStage
3340		*/
3341	<	public void testAcceptEitherAsync() {
3342	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3343	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3344	<	IncAction r = new IncAction();
3345	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
3346	<	f.complete(one);
3347	<	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);
3341	>	public void testCompletedStage() {
3342	>	AtomicInteger x = new AtomicInteger(0);
3343	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3344	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3345	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3346	>	assertEquals(x.get(), 1);
3347	>	assertNull(r.get());
3348		}
3349
3350		/**
3351	<	* acceptEitherAsync result completes exceptionally after exceptional
3352	<	* completion of source
3351	>	* defaultExecutor by default returns the commonPool if
3352	>	* it supports more than one thread.
3353		*/
3354	<	public void testAcceptEitherAsync2() {
3354	>	public void testDefaultExecutor() {
3355		CompletableFuture<Integer> f = new CompletableFuture<>();
3356	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3357	<	IncAction r = new IncAction();
3358	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
3359	<	f.completeExceptionally(new CFException());
3360	<	checkCompletedWithWrappedCFException(g);
3361	<
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);
3356	>	Executor e = f.defaultExecutor();
3357	>	Executor c = ForkJoinPool.commonPool();
3358	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3359	>	assertSame(e, c);
3360	>	else
3361	>	assertNotSame(e, c);
3362		}
3363
3364		/**
3365	<	* acceptEitherAsync result completes exceptionally if action does
3365	>	* failedFuture returns a CompletableFuture completed
3366	>	* exceptionally with the given Exception
3367		*/
3368	<	public void testAcceptEitherAsync3() {
3369	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3370	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3371	<	FailingConsumer r = new FailingConsumer();
1909	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1910	<	f.complete(one);
1911	<	checkCompletedWithWrappedCFException(g);
3368	>	public void testFailedFuture() {
3369	>	CFException ex = new CFException();
3370	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3371	>	checkCompletedExceptionally(f, ex);
3372		}
3373
3374		/**
3375	<	* acceptEitherAsync result completes exceptionally if either
1916	<	* source cancelled
3375	>	* failedFuture(null) throws NPE
3376		*/
3377	<	public void testAcceptEitherAsync4() {
3378	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3379	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3380	<	IncAction r = new IncAction();
3381	<	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);
3377	>	public void testFailedFuture_null() {
3378	>	try {
3379	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3380	>	shouldThrow();
3381	>	} catch (NullPointerException success) {}
3382		}
3383
3384		/**
3385	<	* runAfterEitherAsync result completes normally after normal
3386	<	* completion of sources
3385	>	* copy returns a CompletableFuture that is completed normally,
3386	>	* with the same value, when source is.
3387		*/
3388	<	public void testRunAfterEitherAsync() {
3388	>	public void testCopy() {
3389		CompletableFuture<Integer> f = new CompletableFuture<>();
3390	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3391	<	Noop r = new Noop();
3392	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3393	<	f.complete(one);
3394	<	checkCompletedNormally(g, null);
3395	<	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);
3390	>	CompletableFuture<Integer> g = f.copy();
3391	>	checkIncomplete(f);
3392	>	checkIncomplete(g);
3393	>	f.complete(1);
3394	>	checkCompletedNormally(f, 1);
3395	>	checkCompletedNormally(g, 1);
3396		}
3397
3398		/**
3399	<	* runAfterEitherAsync result completes exceptionally after exceptional
3400	<	* completion of source
3399	>	* copy returns a CompletableFuture that is completed exceptionally
3400	>	* when source is.
3401		*/
3402	<	public void testRunAfterEitherAsync2() {
3402	>	public void testCopy2() {
3403		CompletableFuture<Integer> f = new CompletableFuture<>();
3404	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3405	<	Noop r = new Noop();
3406	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3407	<	f.completeExceptionally(new CFException());
3408	<	checkCompletedWithWrappedCFException(g);
3409	<
3410	<	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);
3404	>	CompletableFuture<Integer> g = f.copy();
3405	>	checkIncomplete(f);
3406	>	checkIncomplete(g);
3407	>	CFException ex = new CFException();
3408	>	f.completeExceptionally(ex);
3409	>	checkCompletedExceptionally(f, ex);
3410	>	checkCompletedWithWrappedException(g, ex);
3411		}
3412
3413		/**
3414	<	* runAfterEitherAsync result completes exceptionally if action does
3414	>	* minimalCompletionStage returns a CompletableFuture that is
3415	>	* completed normally, with the same value, when source is.
3416		*/
3417	<	public void testRunAfterEitherAsync3() {
3417	>	public void testMinimalCompletionStage() {
3418		CompletableFuture<Integer> f = new CompletableFuture<>();
3419	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3420	<	FailingNoop r = new FailingNoop();
3421	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3422	<	f.complete(one);
3423	<	checkCompletedWithWrappedCFException(g);
3419	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3420	>	AtomicInteger x = new AtomicInteger(0);
3421	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3422	>	checkIncomplete(f);
3423	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3424	>	f.complete(1);
3425	>	checkCompletedNormally(f, 1);
3426	>	assertEquals(x.get(), 1);
3427	>	assertNull(r.get());
3428		}
3429
3430		/**
3431	<	* runAfterEitherAsync result completes exceptionally if either
3432	<	* source cancelled
3431	>	* minimalCompletionStage returns a CompletableFuture that is
3432	>	* completed exceptionally when source is.
3433		*/
3434	<	public void testRunAfterEitherAsync4() {
3434	>	public void testMinimalCompletionStage2() {
3435		CompletableFuture<Integer> f = new CompletableFuture<>();
3436	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3437	<	Noop r = new Noop();
3438	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
3439	<	assertTrue(f.cancel(true));
3440	<	checkCompletedWithWrappedCancellationException(g);
3441	<
3442	<	r = new Noop();
3443	<	f = new CompletableFuture<>();
3444	<	f2 = new CompletableFuture<>();
3445	<	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);
3436	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3437	>	AtomicInteger x = new AtomicInteger(0);
3438	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3439	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3440	>	checkIncomplete(f);
3441	>	CFException ex = new CFException();
3442	>	f.completeExceptionally(ex);
3443	>	checkCompletedExceptionally(f, ex);
3444	>	assertEquals(x.get(), 0);
3445	>	assertEquals(r.get().getCause(), ex);
3446		}
3447
3448		/**
3449	<	* thenComposeAsync result completes exceptionally if source cancelled
3449	>	* failedStage returns a CompletionStage completed
3450	>	* exceptionally with the given Exception
3451		*/
3452	<	public void testThenComposeAsync4() {
3453	<	CompletableFuture<Integer> f, g;
3454	<	CompletableFutureInc r;
3455	<
3456	<	f = new CompletableFuture<>();
3457	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3458	<	assertTrue(f.cancel(true));
3459	<	checkCompletedWithWrappedCancellationException(g);
2078	<
2079	<	f = new CompletableFuture<>();
2080	<	assertTrue(f.cancel(true));
2081	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2082	<	checkCompletedWithWrappedCancellationException(g);
3452	>	public void testFailedStage() {
3453	>	CFException ex = new CFException();
3454	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3455	>	AtomicInteger x = new AtomicInteger(0);
3456	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3457	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3458	>	assertEquals(x.get(), 0);
3459	>	assertEquals(r.get(), ex);
3460		}
3461
2085	–	// async with explicit executors
2086	–
3462		/**
3463	<	* thenRunAsync result completes normally after normal completion of source
3463	>	* completeAsync completes with value of given supplier
3464		*/
3465	<	public void testThenRunAsyncE() {
3465	>	public void testCompleteAsync() {
3466	>	for (Integer v1 : new Integer[] { 1, null })
3467	>	{
3468		CompletableFuture<Integer> f = new CompletableFuture<>();
3469	<	Noop r = new Noop();
3470	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3471	<	f.complete(null);
3472	<	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	<	}
3469	>	f.completeAsync(() -> v1);
3470	>	f.join();
3471	>	checkCompletedNormally(f, v1);
3472	>	}}
3473
3474		/**
3475	<	* thenRunAsync result completes exceptionally after exceptional
2107	<	* completion of source
3475	>	* completeAsync completes exceptionally if given supplier throws
3476		*/
3477	<	public void testThenRunAsync2E() {
3477	>	public void testCompleteAsync2() {
3478		CompletableFuture<Integer> f = new CompletableFuture<>();
3479	<	Noop r = new Noop();
3480	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2113	<	f.completeExceptionally(new CFException());
3479	>	CFException ex = new CFException();
3480	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3481		try {
3482	<	g.join();
3482	>	f.join();
3483		shouldThrow();
3484		} catch (CompletionException success) {}
3485	<	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);
2141	<	}
2142	<
2143	<	/**
2144	<	* thenApplyAsync result completes normally after normal completion of source
2145	<	*/
2146	<	public void testThenApplyAsyncE() {
2147	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2148	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2149	<	f.complete(one);
2150	<	checkCompletedNormally(g, two);
3485	>	checkCompletedWithWrappedException(f, ex);
3486		}
3487
3488		/**
3489	<	* thenApplyAsync result completes exceptionally after exceptional
2155	<	* completion of source
3489	>	* completeAsync with given executor completes with value of given supplier
3490		*/
3491	<	public void testThenApplyAsync2E() {
3491	>	public void testCompleteAsync3() {
3492	>	for (Integer v1 : new Integer[] { 1, null })
3493	>	{
3494		CompletableFuture<Integer> f = new CompletableFuture<>();
3495	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3496	<	f.completeExceptionally(new CFException());
3497	<	checkCompletedWithWrappedCFException(g);
3498	<	}
3495	>	ThreadExecutor executor = new ThreadExecutor();
3496	>	f.completeAsync(() -> v1, executor);
3497	>	assertSame(v1, f.join());
3498	>	checkCompletedNormally(f, v1);
3499	>	assertEquals(1, executor.count.get());
3500	>	}}
3501
3502		/**
3503	<	* thenApplyAsync result completes exceptionally if action does
3503	>	* completeAsync with given executor completes exceptionally if
3504	>	* given supplier throws
3505		*/
3506	<	public void testThenApplyAsync3E() {
3506	>	public void testCompleteAsync4() {
3507		CompletableFuture<Integer> f = new CompletableFuture<>();
3508	<	FailingFunction r = new FailingFunction();
3509	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3510	<	f.complete(null);
3511	<	checkCompletedWithWrappedCFException(g);
3508	>	CFException ex = new CFException();
3509	>	ThreadExecutor executor = new ThreadExecutor();
3510	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3511	>	try {
3512	>	f.join();
3513	>	shouldThrow();
3514	>	} catch (CompletionException success) {}
3515	>	checkCompletedWithWrappedException(f, ex);
3516	>	assertEquals(1, executor.count.get());
3517		}
3518
3519		/**
3520	<	* thenApplyAsync result completes exceptionally if source cancelled
3520	>	* orTimeout completes with TimeoutException if not complete
3521		*/
3522	<	public void testThenApplyAsync4E() {
3522	>	public void testOrTimeout_timesOut() {
3523	>	long timeoutMillis = timeoutMillis();
3524		CompletableFuture<Integer> f = new CompletableFuture<>();
3525	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3526	<	assertTrue(f.cancel(true));
3527	<	checkCompletedWithWrappedCancellationException(g);
3525	>	long startTime = System.nanoTime();
3526	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3527	>	checkCompletedWithTimeoutException(f);
3528	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3529		}
3530
3531		/**
3532	<	* thenAcceptAsync result completes normally after normal
2187	<	* completion of source
3532	>	* orTimeout completes normally if completed before timeout
3533		*/
3534	<	public void testThenAcceptAsyncE() {
3534	>	public void testOrTimeout_completed() {
3535	>	for (Integer v1 : new Integer[] { 1, null })
3536	>	{
3537		CompletableFuture<Integer> f = new CompletableFuture<>();
3538	<	IncAction r = new IncAction();
3539	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3540	<	f.complete(one);
3541	<	checkCompletedNormally(g, null);
3542	<	assertEquals(r.value, 2);
3543	<	}
3538	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3539	>	long startTime = System.nanoTime();
3540	>	f.complete(v1);
3541	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3542	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3543	>	g.complete(v1);
3544	>	checkCompletedNormally(f, v1);
3545	>	checkCompletedNormally(g, v1);
3546	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3547	>	}}
3548
3549		/**
3550	<	* thenAcceptAsync result completes exceptionally after exceptional
2200	<	* completion of source
3550	>	* completeOnTimeout completes with given value if not complete
3551		*/
3552	<	public void testThenAcceptAsync2E() {
3553	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3554	<	IncAction r = new IncAction();
2205	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2206	<	f.completeExceptionally(new CFException());
2207	<	checkCompletedWithWrappedCFException(g);
3552	>	public void testCompleteOnTimeout_timesOut() {
3553	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3554	>	() -> testCompleteOnTimeout_timesOut(null));
3555		}
3556
3557	<	/**
3558	<	* thenAcceptAsync result completes exceptionally if action does
2212	<	*/
2213	<	public void testThenAcceptAsync3E() {
3557	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3558	>	long timeoutMillis = timeoutMillis();
3559		CompletableFuture<Integer> f = new CompletableFuture<>();
3560	<	FailingConsumer r = new FailingConsumer();
3561	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3562	<	f.complete(null);
3563	<	checkCompletedWithWrappedCFException(g);
3560	>	long startTime = System.nanoTime();
3561	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3562	>	assertSame(v, f.join());
3563	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3564	>	f.complete(99);         // should have no effect
3565	>	checkCompletedNormally(f, v);
3566		}
3567
3568		/**
3569	<	* thenAcceptAsync result completes exceptionally if source cancelled
3569	>	* completeOnTimeout has no effect if completed within timeout
3570		*/
3571	<	public void testThenAcceptAsync4E() {
3571	>	public void testCompleteOnTimeout_completed() {
3572	>	for (Integer v1 : new Integer[] { 1, null })
3573	>	{
3574		CompletableFuture<Integer> f = new CompletableFuture<>();
3575	<	IncAction r = new IncAction();
3576	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3577	<	assertTrue(f.cancel(true));
3578	<	checkCompletedWithWrappedCancellationException(g);
3579	<	}
3580	<
3581	<	/**
3582	<	* thenCombineAsync result completes normally after normal
3583	<	* completion of sources
3584	<	*/
3585	<	public void testThenCombineAsyncE() {
3586	<	CompletableFuture<Integer> f, g, h;
3587	<	ThreadExecutor e = new ThreadExecutor();
3588	<	int count = 0;
3589	<
3590	<	f = new CompletableFuture<>();
3591	<	g = new CompletableFuture<>();
3592	<	h = f.thenCombineAsync(g, subtract, e);
3593	<	f.complete(3);
3594	<	checkIncomplete(h);
3595	<	g.complete(1);
3596	<	checkCompletedNormally(h, 2);
3597	<	assertEquals(++count, e.count.get());
3598	<
3599	<	f = new CompletableFuture<>();
3600	<	g = new CompletableFuture<>();
3601	<	h = f.thenCombineAsync(g, subtract, e);
3602	<	g.complete(1);
3603	<	checkIncomplete(h);
3604	<	f.complete(3);
3605	<	checkCompletedNormally(h, 2);
3606	<	assertEquals(++count, e.count.get());
3607	<
3608	<	f = new CompletableFuture<>();
3609	<	g = new CompletableFuture<>();
3610	<	g.complete(1);
3611	<	f.complete(3);
3612	<	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);
3575	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3576	>	long startTime = System.nanoTime();
3577	>	f.complete(v1);
3578	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3579	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3580	>	g.complete(v1);
3581	>	checkCompletedNormally(f, v1);
3582	>	checkCompletedNormally(g, v1);
3583	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3584	>	}}
3585	>
3586	>	/**
3587	>	* delayedExecutor returns an executor that delays submission
3588	>	*/
3589	>	public void testDelayedExecutor() {
3590	>	testInParallel(() -> testDelayedExecutor(null, null),
3591	>	() -> testDelayedExecutor(null, 1),
3592	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3593	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3594	>	}
3595	>
3596	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3597	>	long timeoutMillis = timeoutMillis();
3598	>	// Use an "unreasonably long" long timeout to catch lingering threads
3599	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3600	>	final Executor delayer, longDelayer;
3601	>	if (executor == null) {
3602	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3603	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3604	>	} else {
3605	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3606	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3607	>	}
3608	>	long startTime = System.nanoTime();
3609	>	CompletableFuture<Integer> f =
3610	>	CompletableFuture.supplyAsync(() -> v, delayer);
3611	>	CompletableFuture<Integer> g =
3612	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3613
3614	<	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);
3614	>	assertNull(g.getNow(null));
3615
3616	<	f = new CompletableFuture<>();
3617	<	g = new CompletableFuture<>();
3618	<	g.completeExceptionally(new CFException());
3619	<	h = f.thenCombineAsync(g, subtract, e);
2297	<	checkIncomplete(h);
2298	<	f.complete(3);
2299	<	checkCompletedWithWrappedCFException(h);
3616	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3617	>	long millisElapsed = millisElapsedSince(startTime);
3618	>	assertTrue(millisElapsed >= timeoutMillis);
3619	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3620
3621	<	assertEquals(0, e.count.get());
2302	<	}
3621	>	checkCompletedNormally(f, v);
3622
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);
3623		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);
2490	–	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);
3624		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);
3625		}
3626
3627	<	/**
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);
3627	>	//--- tests of implementation details; not part of official tck ---
3628
3629	<	r = new Noop();
3630	<	f = new CompletableFuture<>();
3631	<	f2 = new CompletableFuture<>();
3632	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
3633	<	f.complete(one);
3634	<	f2.completeExceptionally(new CFException());
3635	<	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);
3629	>	Object resultOf(CompletableFuture<?> f) {
3630	>	try {
3631	>	java.lang.reflect.Field resultField
3632	>	= CompletableFuture.class.getDeclaredField("result");
3633	>	resultField.setAccessible(true);
3634	>	return resultField.get(f);
3635	>	} catch (Throwable t) { throw new AssertionError(t); }
3636		}
3637
3638	<	/**
3639	<	* runAfterEitherAsync result completes normally after normal
3640	<	* completion of sources
3641	<	*/
3642	<	public void testRunAfterEitherAsyncE() {
3643	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3644	<	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	<	}
3638	>	public void testExceptionPropagationReusesResultObject() {
3639	>	if (!testImplementationDetails) return;
3640	>	for (ExecutionMode m : ExecutionMode.values())
3641	>	{
3642	>	final CFException ex = new CFException();
3643	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3644	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3645
3646	<	/**
3647	<	* 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);
3646	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3647	>	= new ArrayList<>();
3648
3649	<	r = new Noop();
3650	<	f = new CompletableFuture<>();
3651	<	f2 = new CompletableFuture<>();
2763	<	f2.completeExceptionally(new CFException());
2764	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2765	<	f.complete(one);
2766	<	checkCompletedWithWrappedCFException(g);
2767	<	}
3649	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3650	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3651	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3652
3653	<	/**
3654	<	* runAfterEitherAsync result completes exceptionally if action does
3655	<	*/
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);
2779	<	}
3653	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3654	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3655	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3656
3657	<	/**
3658	<	* runAfterEitherAsync result completes exceptionally if either
3659	<	* 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);
3657	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3658	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3659	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3660
3661	<	r = new Noop();
2794	<	f = new CompletableFuture<>();
2795	<	f2 = new CompletableFuture<>();
2796	<	assertTrue(f2.cancel(true));
2797	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2798	<	checkCompletedWithWrappedCancellationException(g);
2799	<	}
3661	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3662
3663	<	/**
2802	<	* thenComposeAsync result completes normally after normal
2803	<	* completion of source
2804	<	*/
2805	<	public void testThenComposeAsyncE() {
2806	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2807	<	CompletableFutureInc r = new CompletableFutureInc();
2808	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2809	<	f.complete(one);
2810	<	checkCompletedNormally(g, two);
2811	<	}
3663	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3664
3665	<	/**
3666	<	* thenComposeAsync result completes exceptionally after
2815	<	* exceptional completion of source
2816	<	*/
2817	<	public void testThenComposeAsync2E() {
2818	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2819	<	CompletableFutureInc r = new CompletableFutureInc();
2820	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2821	<	f.completeExceptionally(new CFException());
2822	<	checkCompletedWithWrappedCFException(g);
2823	<	}
3665	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3666	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3667
3668	<	/**
3669	<	* thenComposeAsync result completes exceptionally if action does
3670	<	*/
3671	<	public void testThenComposeAsync3E() {
3672	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3673	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3674	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3675	<	f.complete(one);
3676	<	checkCompletedWithWrappedCFException(g);
3677	<	}
3668	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3669	>	fun : funs) {
3670	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3671	>	f.completeExceptionally(ex);
3672	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3673	>	checkCompletedWithWrappedException(src, ex);
3674	>	CompletableFuture<?> dep = fun.apply(src);
3675	>	checkCompletedWithWrappedException(dep, ex);
3676	>	assertSame(resultOf(src), resultOf(dep));
3677	>	}
3678
3679	<	/**
3680	<	* thenComposeAsync result completes exceptionally if source cancelled
3681	<	*/
3682	<	public void testThenComposeAsync4E() {
3683	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3684	<	CompletableFutureInc r = new CompletableFutureInc();
3685	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3686	<	assertTrue(f.cancel(true));
3687	<	checkCompletedWithWrappedCancellationException(g);
3688	<	}
3679	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3680	>	fun : funs) {
3681	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3682	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3683	>	CompletableFuture<?> dep = fun.apply(src);
3684	>	f.completeExceptionally(ex);
3685	>	checkCompletedWithWrappedException(src, ex);
3686	>	checkCompletedWithWrappedException(dep, ex);
3687	>	assertSame(resultOf(src), resultOf(dep));
3688	>	}
3689
3690	<	// other static methods
3690	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3691	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3692	>	fun : funs) {
3693	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3694	>	f.cancel(mayInterruptIfRunning);
3695	>	checkCancelled(f);
3696	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3697	>	checkCompletedWithWrappedCancellationException(src);
3698	>	CompletableFuture<?> dep = fun.apply(src);
3699	>	checkCompletedWithWrappedCancellationException(dep);
3700	>	assertSame(resultOf(src), resultOf(dep));
3701	>	}
3702
3703	<	/**
3704	<	* allOf(no component futures) returns a future completed normally
3705	<	* with the value null
3706	<	*/
3707	<	public void testAllOf_empty() throws Exception {
3708	<	CompletableFuture<Void> f = CompletableFuture.allOf();
3709	<	checkCompletedNormally(f, null);
3710	<	}
3703	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3704	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3705	>	fun : funs) {
3706	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3707	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3708	>	CompletableFuture<?> dep = fun.apply(src);
3709	>	f.cancel(mayInterruptIfRunning);
3710	>	checkCancelled(f);
3711	>	checkCompletedWithWrappedCancellationException(src);
3712	>	checkCompletedWithWrappedCancellationException(dep);
3713	>	assertSame(resultOf(src), resultOf(dep));
3714	>	}
3715	>	}}
3716
3717		/**
3718	<	* allOf returns a future completed normally with the value null
2860	<	* when all components complete normally
3718	>	* Minimal completion stages throw UOE for all non-CompletionStage methods
3719		*/
3720	<	public void testAllOf_normal() throws Exception {
3721	<	for (int k = 1; k < 20; ++k) {
3722	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3723	<	for (int i = 0; i < k; ++i)
3724	<	fs[i] = new CompletableFuture<>();
3725	<	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3726	<	for (int i = 0; i < k; ++i) {
3727	<	checkIncomplete(f);
3728	<	checkIncomplete(CompletableFuture.allOf(fs));
3729	<	fs[i].complete(one);
3720	>	public void testMinimalCompletionStage_minimality() {
3721	>	if (!testImplementationDetails) return;
3722	>	Function<Method, String> toSignature =
3723	>	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3724	>	Predicate<Method> isNotStatic =
3725	>	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3726	>	List<Method> minimalMethods =
3727	>	Stream.of(Object.class, CompletionStage.class)
3728	>	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3729	>	.filter(isNotStatic)
3730	>	.collect(Collectors.toList());
3731	>	// Methods from CompletableFuture permitted NOT to throw UOE
3732	>	String[] signatureWhitelist = {
3733	>	"newIncompleteFuture[]",
3734	>	"defaultExecutor[]",
3735	>	"minimalCompletionStage[]",
3736	>	"copy[]",
3737	>	};
3738	>	Set<String> permittedMethodSignatures =
3739	>	Stream.concat(minimalMethods.stream().map(toSignature),
3740	>	Stream.of(signatureWhitelist))
3741	>	.collect(Collectors.toSet());
3742	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3743	>	.filter(isNotStatic)
3744	>	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3745	>	.collect(Collectors.toList());
3746	>
3747	>	CompletionStage<Integer> minimalStage =
3748	>	new CompletableFuture<Integer>().minimalCompletionStage();
3749	>
3750	>	List<Method> bugs = new ArrayList<>();
3751	>	for (Method method : allMethods) {
3752	>	Class<?>[] parameterTypes = method.getParameterTypes();
3753	>	Object[] args = new Object[parameterTypes.length];
3754	>	// Manufacture boxed primitives for primitive params
3755	>	for (int i = 0; i < args.length; i++) {
3756	>	Class<?> type = parameterTypes[i];
3757	>	if (parameterTypes[i] == boolean.class)
3758	>	args[i] = false;
3759	>	else if (parameterTypes[i] == int.class)
3760	>	args[i] = 0;
3761	>	else if (parameterTypes[i] == long.class)
3762	>	args[i] = 0L;
3763		}
3764	<	checkCompletedNormally(f, null);
3765	<	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3764	>	try {
3765	>	method.invoke(minimalStage, args);
3766	>	bugs.add(method);
3767	>	}
3768	>	catch (java.lang.reflect.InvocationTargetException expected) {
3769	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3770	>	bugs.add(method);
3771	>	// expected.getCause().printStackTrace();
3772	>	}
3773	>	}
3774	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3775		}
3776	+	if (!bugs.isEmpty())
3777	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3778		}
3779
3780	<	/**
3781	<	* anyOf(no component futures) returns an incomplete future
3782	<	*/
3783	<	public void testAnyOf_empty() throws Exception {
3784	<	CompletableFuture<Object> f = CompletableFuture.anyOf();
3785	<	checkIncomplete(f);
3786	<	}
3787	<
3788	<	/**
3789	<	* anyOf returns a future completed normally with a value when
3790	<	* a component future does
3791	<	*/
3792	<	public void testAnyOf_normal() throws Exception {
3793	<	for (int k = 0; k < 10; ++k) {
3794	<	CompletableFuture[] fs = new CompletableFuture[k];
3795	<	for (int i = 0; i < k; ++i)
3796	<	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	<	}
3780	>	static class Monad {
3781	>	static class ZeroException extends RuntimeException {
3782	>	public ZeroException() { super("monadic zero"); }
3783	>	}
3784	>	// "return", "unit"
3785	>	static <T> CompletableFuture<T> unit(T value) {
3786	>	return completedFuture(value);
3787	>	}
3788	>	// monadic zero ?
3789	>	static <T> CompletableFuture<T> zero() {
3790	>	return failedFuture(new ZeroException());
3791	>	}
3792	>	// >=>
3793	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
3794	>	(Function<T, CompletableFuture<U>> f,
3795	>	Function<U, CompletableFuture<V>> g) {
3796	>	return (x) -> f.apply(x).thenCompose(g);
3797		}
2903	–	}
3798
3799	<	/**
3800	<	* anyOf result completes exceptionally when any component does.
3801	<	*/
3802	<	public void testAnyOf_exceptional() throws Exception {
3803	<	for (int k = 0; k < 10; ++k) {
3804	<	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));
3799	>	static void assertZero(CompletableFuture<?> f) {
3800	>	try {
3801	>	f.getNow(null);
3802	>	throw new AssertionFailedError("should throw");
3803	>	} catch (CompletionException success) {
3804	>	assertTrue(success.getCause() instanceof ZeroException);
3805		}
3806		}
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	–	}
3053	–
3054	–	/**
3055	–	* whenComplete action executes on exceptional completion, propagating
3056	–	* source result.
3057	–	*/
3058	–	public void testWhenComplete2() {
3059	–	final AtomicInteger a = new AtomicInteger();
3060	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3061	–	CompletableFuture<Integer> g =
3062	–	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3063	–	f.completeExceptionally(new CFException());
3064	–	assertTrue(f.isCompletedExceptionally());
3065	–	assertTrue(g.isCompletedExceptionally());
3066	–	assertEquals(a.get(), 1);
3067	–	}
3068	–
3069	–	/**
3070	–	* If a whenComplete action throws an exception when triggered by
3071	–	* 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	–	}
3098	–
3099	–	/**
3100	–	* whenCompleteAsync action executes on exceptional completion, propagating
3101	–	* 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	–	}
3112	–
3113	–	/**
3114	–	* If a whenCompleteAsync action throws an exception when
3115	–	* triggered by a normal completion, it completes exceptionally
3116	–	*/
3117	–	public void testWhenCompleteAsync3() {
3118	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3119	–	CompletableFuture<Integer> g =
3120	–	f.whenCompleteAsync((Integer x, Throwable t) ->
3121	–	{ throw new CFException(); } );
3122	–	f.complete(three);
3123	–	checkCompletedNormally(f, three);
3124	–	checkCompletedWithWrappedCFException(g);
3125	–	}
3126	–
3127	–	/**
3128	–	* whenCompleteAsync action executes on normal completion, propagating
3129	–	* source result.
3130	–	*/
3131	–	public void testWhenCompleteAsync1e() {
3132	–	final AtomicInteger a = new AtomicInteger();
3133	–	ThreadExecutor exec = new ThreadExecutor();
3134	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3135	–	CompletableFuture<Integer> g =
3136	–	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3137	–	exec);
3138	–	f.complete(three);
3139	–	checkCompletedNormally(f, three);
3140	–	checkCompletedNormally(g, three);
3141	–	assertEquals(a.get(), 1);
3142	–	}
3143	–
3144	–	/**
3145	–	* whenCompleteAsync action executes on exceptional completion, propagating
3146	–	* source result.
3147	–	*/
3148	–	public void testWhenCompleteAsync2e() {
3149	–	final AtomicInteger a = new AtomicInteger();
3150	–	ThreadExecutor exec = new ThreadExecutor();
3151	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3152	–	CompletableFuture<Integer> g =
3153	–	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3154	–	exec);
3155	–	f.completeExceptionally(new CFException());
3156	–	checkCompletedWithWrappedCFException(f);
3157	–	checkCompletedWithWrappedCFException(g);
3158	–	}
3807
3808	<	/**
3809	<	* If a whenCompleteAsync action throws an exception when triggered
3810	<	* by a normal completion, it completes exceptionally
3811	<	*/
3812	<	public void testWhenCompleteAsync3e() {
3813	<	ThreadExecutor exec = new ThreadExecutor();
3814	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3815	<	CompletableFuture<Integer> g =
3816	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3817	<	{ throw new CFException(); },
3818	<	exec);
3819	<	f.complete(three);
3820	<	checkCompletedNormally(f, three);
3821	<	checkCompletedWithWrappedCFException(g);
3822	<	}
3823	<
3824	<	/**
3825	<	* handleAsync action completes normally with function value on
3178	<	* either normal or exceptional completion of source
3179	<	*/
3180	<	public void testHandleAsync() {
3181	<	CompletableFuture<Integer> f, g;
3182	<	IntegerHandler r;
3183	<
3184	<	f = new CompletableFuture<>();
3185	<	g = f.handleAsync(r = new IntegerHandler());
3186	<	assertFalse(r.ran);
3187	<	f.completeExceptionally(new CFException());
3188	<	checkCompletedWithWrappedCFException(f);
3189	<	checkCompletedNormally(g, three);
3190	<	assertTrue(r.ran);
3191	<
3192	<	f = new CompletableFuture<>();
3193	<	g = f.handleAsync(r = new IntegerHandler());
3194	<	assertFalse(r.ran);
3195	<	f.completeExceptionally(new CFException());
3196	<	checkCompletedWithWrappedCFException(f);
3197	<	checkCompletedNormally(g, three);
3198	<	assertTrue(r.ran);
3808	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
3809	>	CompletableFuture<T> g) {
3810	>	T fval = null, gval = null;
3811	>	Throwable fex = null, gex = null;
3812	>
3813	>	try { fval = f.get(); }
3814	>	catch (ExecutionException ex) { fex = ex.getCause(); }
3815	>	catch (Throwable ex) { fex = ex; }
3816	>
3817	>	try { gval = g.get(); }
3818	>	catch (ExecutionException ex) { gex = ex.getCause(); }
3819	>	catch (Throwable ex) { gex = ex; }
3820	>
3821	>	if (fex != null || gex != null)
3822	>	assertSame(fex.getClass(), gex.getClass());
3823	>	else
3824	>	assertEquals(fval, gval);
3825	>	}
3826
3827	<	f = new CompletableFuture<>();
3828	<	g = f.handleAsync(r = new IntegerHandler());
3829	<	assertFalse(r.ran);
3203	<	f.complete(one);
3204	<	checkCompletedNormally(f, one);
3205	<	checkCompletedNormally(g, two);
3206	<	assertTrue(r.ran);
3827	>	static class PlusFuture<T> extends CompletableFuture<T> {
3828	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3829	>	}
3830
3831	<	f = new CompletableFuture<>();
3832	<	g = f.handleAsync(r = new IntegerHandler());
3833	<	assertFalse(r.ran);
3834	<	f.complete(one);
3835	<	checkCompletedNormally(f, one);
3836	<	checkCompletedNormally(g, two);
3837	<	assertTrue(r.ran);
3831	>	/** Implements "monadic plus". */
3832	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3833	>	CompletableFuture<? extends T> g) {
3834	>	PlusFuture<T> plus = new PlusFuture<T>();
3835	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3836	>	try {
3837	>	if (ex == null) {
3838	>	if (plus.complete(result))
3839	>	if (plus.firstFailure.get() != null)
3840	>	plus.firstFailure.set(null);
3841	>	}
3842	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
3843	>	if (plus.isDone())
3844	>	plus.firstFailure.set(null);
3845	>	}
3846	>	else {
3847	>	// first failure has precedence
3848	>	Throwable first = plus.firstFailure.getAndSet(null);
3849	>
3850	>	// may fail with "Self-suppression not permitted"
3851	>	try { first.addSuppressed(ex); }
3852	>	catch (Exception ignored) {}
3853	>
3854	>	plus.completeExceptionally(first);
3855	>	}
3856	>	} catch (Throwable unexpected) {
3857	>	plus.completeExceptionally(unexpected);
3858	>	}
3859	>	};
3860	>	f.whenComplete(action);
3861	>	g.whenComplete(action);
3862	>	return plus;
3863	>	}
3864		}
3865
3866		/**
3867	<	* handleAsync action with Executor completes normally with
3868	<	* function value on either normal or exceptional completion of
3220	<	* source
3867	>	* CompletableFuture is an additive monad - sort of.
3868	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3869		*/
3870	<	public void testHandleAsync2() {
3871	<	CompletableFuture<Integer> f, g;
3872	<	ThreadExecutor exec = new ThreadExecutor();
3873	<	IntegerHandler r;
3874	<
3875	<	f = new CompletableFuture<>();
3876	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3877	<	assertFalse(r.ran);
3878	<	f.completeExceptionally(new CFException());
3879	<	checkCompletedWithWrappedCFException(f);
3880	<	checkCompletedNormally(g, three);
3881	<	assertTrue(r.ran);
3882	<
3883	<	f = new CompletableFuture<>();
3884	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3885	<	assertFalse(r.ran);
3886	<	f.completeExceptionally(new CFException());
3887	<	checkCompletedWithWrappedCFException(f);
3888	<	checkCompletedNormally(g, three);
3889	<	assertTrue(r.ran);
3890	<
3891	<	f = new CompletableFuture<>();
3892	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3893	<	assertFalse(r.ran);
3894	<	f.complete(one);
3895	<	checkCompletedNormally(f, one);
3896	<	checkCompletedNormally(g, two);
3897	<	assertTrue(r.ran);
3870	>	public void testAdditiveMonad() throws Throwable {
3871	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3872	>	CompletableFuture<Long> zero = Monad.zero();
3873	>
3874	>	// Some mutually non-commutative functions
3875	>	Function<Long, CompletableFuture<Long>> triple
3876	>	= (x) -> Monad.unit(3 * x);
3877	>	Function<Long, CompletableFuture<Long>> inc
3878	>	= (x) -> Monad.unit(x + 1);
3879	>
3880	>	// unit is a right identity: m >>= unit === m
3881	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3882	>	inc.apply(5L));
3883	>	// unit is a left identity: (unit x) >>= f === f x
3884	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3885	>	inc.apply(5L));
3886	>
3887	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3888	>	Monad.assertFutureEquals(
3889	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3890	>	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3891	>
3892	>	// The case for CompletableFuture as an additive monad is weaker...
3893	>
3894	>	// zero is a monadic zero
3895	>	Monad.assertZero(zero);
3896	>
3897	>	// left zero: zero >>= f === zero
3898	>	Monad.assertZero(zero.thenCompose(inc));
3899	>	// right zero: f >>= (\x -> zero) === zero
3900	>	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3901	>
3902	>	// f plus zero === f
3903	>	Monad.assertFutureEquals(Monad.unit(5L),
3904	>	Monad.plus(Monad.unit(5L), zero));
3905	>	// zero plus f === f
3906	>	Monad.assertFutureEquals(Monad.unit(5L),
3907	>	Monad.plus(zero, Monad.unit(5L)));
3908	>	// zero plus zero === zero
3909	>	Monad.assertZero(Monad.plus(zero, zero));
3910	>	{
3911	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3912	>	Monad.unit(8L));
3913	>	// non-determinism
3914	>	assertTrue(f.get() == 5L || f.get() == 8L);
3915	>	}
3916
3917	<	f = new CompletableFuture<>();
3918	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3919	<	assertFalse(r.ran);
3920	<	f.complete(one);
3921	<	checkCompletedNormally(f, one);
3922	<	checkCompletedNormally(g, two);
3923	<	assertTrue(r.ran);
3924	<	}
3917	>	CompletableFuture<Long> godot = new CompletableFuture<>();
3918	>	// f plus godot === f (doesn't wait for godot)
3919	>	Monad.assertFutureEquals(Monad.unit(5L),
3920	>	Monad.plus(Monad.unit(5L), godot));
3921	>	// godot plus f === f (doesn't wait for godot)
3922	>	Monad.assertFutureEquals(Monad.unit(5L),
3923	>	Monad.plus(godot, Monad.unit(5L)));
3924	>	}
3925	>
3926	>	//     static <U> U join(CompletionStage<U> stage) {
3927	>	//         CompletableFuture<U> f = new CompletableFuture<>();
3928	>	//         stage.whenComplete((v, ex) -> {
3929	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3930	>	//         });
3931	>	//         return f.join();
3932	>	//     }
3933	>
3934	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
3935	>	//         CompletableFuture<U> f = new CompletableFuture<>();
3936	>	//         stage.whenComplete((v, ex) -> {
3937	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3938	>	//         });
3939	>	//         return f.isDone();
3940	>	//     }
3941	>
3942	>	//     static <U> U join2(CompletionStage<U> stage) {
3943	>	//         return stage.toCompletableFuture().copy().join();
3944	>	//     }
3945	>
3946	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3947	>	//         return stage.toCompletableFuture().copy().isDone();
3948	>	//     }
3949
3950		}

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