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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.48 by jsr166, Mon Jun 2 19:07:14 2014 UTC vs.
Revision 1.182 by jsr166, Tue Jan 3 03:18:02 2017 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31		import java.util.concurrent.ForkJoinPool;
32		import java.util.concurrent.ForkJoinTask;
33	+	import java.util.concurrent.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
25	<	import static java.util.concurrent.TimeUnit.SECONDS;
26	<	import java.util.*;
27	<	import java.util.function.Supplier;
28	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
30	–	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 44 | 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 57 | 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));
62	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 75 | Line 89 | public class CompletableFutureTest exten
89		assertTrue(f.toString().contains("[Completed normally]"));
90		}
91
92	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
93	<	try {
94	<	f.get(LONG_DELAY_MS, MILLISECONDS);
95	<	shouldThrow();
96	<	} catch (ExecutionException success) {
97	<	assertTrue(success.getCause() instanceof CFException);
98	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
99	<	try {
100	<	f.join();
101	<	shouldThrow();
102	<	} catch (CompletionException success) {
103	<	assertTrue(success.getCause() instanceof CFException);
104	<	}
105	<	try {
106	<	f.getNow(null);
107	<	shouldThrow();
108	<	} catch (CompletionException success) {
95	<	assertTrue(success.getCause() instanceof CFException);
92	>	/**
93	>	* Returns the "raw" internal exceptional completion of f,
94	>	* without any additional wrapping with CompletionException.
95	>	*/
96	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
97	>	// handle (and whenComplete and exceptionally) can distinguish
98	>	// between "direct" and "wrapped" exceptional completion
99	>	return f.handle((u, 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	<	try {
98	<	f.get();
99	<	shouldThrow();
100	<	} catch (ExecutionException success) {
101	<	assertTrue(success.getCause() instanceof CFException);
102	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
103	<	assertTrue(f.isDone());
104	<	assertFalse(f.isCancelled());
105	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
106	<	}
110	>	checker.accept(cause);
111
112	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
109	<	CFException ex) {
112	>	long startTime = System.nanoTime();
113		try {
114		f.get(LONG_DELAY_MS, MILLISECONDS);
115		shouldThrow();
116		} catch (ExecutionException success) {
117	<	assertSame(ex, success.getCause());
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	<	assertSame(ex, success.getCause());
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	<	assertSame(ex, success.getCause());
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	<	assertSame(ex, success.getCause());
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 155 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} catch (Throwable fail) { threadUnexpectedException(fail); }
158	–	assertTrue(f.isDone());
159	–	assertTrue(f.isCompletedExceptionally());
160	–	assertTrue(f.isCancelled());
161	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
162	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	try {
166	<	f.get(LONG_DELAY_MS, MILLISECONDS);
167	<	shouldThrow();
168	<	} catch (ExecutionException success) {
169	<	assertTrue(success.getCause() instanceof CancellationException);
170	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
171	<	try {
172	<	f.join();
173	<	shouldThrow();
174	<	} catch (CompletionException success) {
175	<	assertTrue(success.getCause() instanceof CancellationException);
176	<	}
177	<	try {
178	<	f.getNow(null);
179	<	shouldThrow();
180	<	} catch (CompletionException success) {
181	<	assertTrue(success.getCause() instanceof CancellationException);
182	<	}
183	<	try {
184	<	f.get();
185	<	shouldThrow();
186	<	} catch (ExecutionException success) {
187	<	assertTrue(success.getCause() instanceof CancellationException);
188	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
190	–	assertFalse(f.isCancelled());
198		assertTrue(f.isCompletedExceptionally());
199	+	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 206 | 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 218 | 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 228 | 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 240 | 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 261 | 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());
269	<	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	+	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	<	f.obtrudeValue(four);
306	<	checkCompletedNormally(f, four);
307	<	f.obtrudeException(new CFException());
308	<	checkCompletedWithWrappedCFException(f);
279	<	}
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	+	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	<	CompletableFuture g = f.thenRun(new Noop());
319	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
320		assertEquals(1, f.getNumberOfDependents());
321		assertEquals(0, g.getNumberOfDependents());
322	<	CompletableFuture h = f.thenRun(new Noop());
322	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
323		assertEquals(2, f.getNumberOfDependents());
324	<	f.complete(1);
324	>	assertEquals(0, h.getNumberOfDependents());
325	>	assertTrue(f.complete(v1));
326		checkCompletedNormally(g, null);
327	+	checkCompletedNormally(h, null);
328		assertEquals(0, f.getNumberOfDependents());
329		assertEquals(0, g.getNumberOfDependents());
330	<	}
330	>	assertEquals(0, h.getNumberOfDependents());
331	>	}}
332
333		/**
334		* toString indicates current completion state
#	Line 304 | 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 320 | Line 361 | public class CompletableFutureTest exten
361		checkCompletedNormally(f, "test");
362		}
363
364	<	// Choose non-commutative actions for better coverage
364	>	abstract static class CheckedAction {
365	>	int invocationCount = 0;
366	>	final ExecutionMode m;
367	>	CheckedAction(ExecutionMode m) { this.m = m; }
368	>	void invoked() {
369	>	m.checkExecutionMode();
370	>	assertEquals(0, invocationCount++);
371	>	}
372	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
373	>	void assertInvoked() { assertEquals(1, invocationCount); }
374	>	}
375
376	<	// A non-commutative function that handles and produces null values as well.
377	<	static Integer subtract(Integer x, Integer y) {
378	<	return (x == null && y == null) ? null :
379	<	((x == null) ? 42 : x.intValue())
380	<	- ((y == null) ? 99 : y.intValue());
376	>	abstract static class CheckedIntegerAction extends CheckedAction {
377	>	Integer value;
378	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
379	>	void assertValue(Integer expected) {
380	>	assertInvoked();
381	>	assertEquals(expected, value);
382	>	}
383	>	}
384	>
385	>	static class IntegerSupplier extends CheckedAction
386	>	implements Supplier<Integer>
387	>	{
388	>	final Integer value;
389	>	IntegerSupplier(ExecutionMode m, Integer value) {
390	>	super(m);
391	>	this.value = value;
392	>	}
393	>	public Integer get() {
394	>	invoked();
395	>	return value;
396	>	}
397		}
398
399		// A function that handles and produces null values as well.
#	Line 334 | Line 401 | public class CompletableFutureTest exten
401		return (x == null) ? null : x + 1;
402		}
403
404	<	static final Supplier<Integer> supplyOne =
405	<	() -> Integer.valueOf(1);
406	<	static final Function<Integer, Integer> inc =
407	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
341	<	static final BiFunction<Integer, Integer, Integer> subtract =
342	<	(Integer x, Integer y) -> subtract(x, y);
343	<	static final class IncAction implements Consumer<Integer> {
344	<	int invocationCount = 0;
345	<	Integer value;
404	>	static class NoopConsumer extends CheckedIntegerAction
405	>	implements Consumer<Integer>
406	>	{
407	>	NoopConsumer(ExecutionMode m) { super(m); }
408		public void accept(Integer x) {
409	<	invocationCount++;
410	<	value = inc(x);
409	>	invoked();
410	>	value = x;
411		}
412		}
413	<	static final class IncFunction implements Function<Integer,Integer> {
414	<	int invocationCount = 0;
415	<	Integer value;
413	>
414	>	static class IncFunction extends CheckedIntegerAction
415	>	implements Function<Integer,Integer>
416	>	{
417	>	IncFunction(ExecutionMode m) { super(m); }
418		public Integer apply(Integer x) {
419	<	invocationCount++;
419	>	invoked();
420		return value = inc(x);
421		}
422		}
423	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
424	<	int invocationCount = 0;
425	<	Integer value;
426	<	// Check this action was invoked exactly once when result is computed.
423	>
424	>	// Choose non-commutative actions for better coverage
425	>	// A non-commutative function that handles and produces null values as well.
426	>	static Integer subtract(Integer x, Integer y) {
427	>	return (x == null && y == null) ? null :
428	>	((x == null) ? 42 : x.intValue())
429	>	- ((y == null) ? 99 : y.intValue());
430	>	}
431	>
432	>	static class SubtractAction extends CheckedIntegerAction
433	>	implements BiConsumer<Integer, Integer>
434	>	{
435	>	SubtractAction(ExecutionMode m) { super(m); }
436		public void accept(Integer x, Integer y) {
437	<	invocationCount++;
437	>	invoked();
438		value = subtract(x, y);
439		}
440		}
441	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
442	<	int invocationCount = 0;
443	<	Integer value;
444	<	// Check this action was invoked exactly once when result is computed.
441	>
442	>	static class SubtractFunction extends CheckedIntegerAction
443	>	implements BiFunction<Integer, Integer, Integer>
444	>	{
445	>	SubtractFunction(ExecutionMode m) { super(m); }
446		public Integer apply(Integer x, Integer y) {
447	<	invocationCount++;
447	>	invoked();
448		return value = subtract(x, y);
449		}
450		}
451	<	static final class Noop implements Runnable {
452	<	int invocationCount = 0;
451	>
452	>	static class Noop extends CheckedAction implements Runnable {
453	>	Noop(ExecutionMode m) { super(m); }
454		public void run() {
455	<	invocationCount++;
455	>	invoked();
456		}
457		}
458
459	<	static final class FailingSupplier implements Supplier<Integer> {
460	<	int invocationCount = 0;
459	>	static class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	final CFException ex;
463	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
464		public Integer get() {
465	<	invocationCount++;
466	<	throw new CFException();
465	>	invoked();
466	>	throw ex;
467		}
468		}
469	<	static final class FailingConsumer implements Consumer<Integer> {
470	<	int invocationCount = 0;
469	>
470	>	static class FailingConsumer extends CheckedIntegerAction
471	>	implements Consumer<Integer>
472	>	{
473	>	final CFException ex;
474	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
475		public void accept(Integer x) {
476	<	invocationCount++;
477	<	throw new CFException();
476	>	invoked();
477	>	value = x;
478	>	throw ex;
479		}
480		}
481	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
482	<	int invocationCount = 0;
481	>
482	>	static class FailingBiConsumer extends CheckedIntegerAction
483	>	implements BiConsumer<Integer, Integer>
484	>	{
485	>	final CFException ex;
486	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
487		public void accept(Integer x, Integer y) {
488	<	invocationCount++;
489	<	throw new CFException();
488	>	invoked();
489	>	value = subtract(x, y);
490	>	throw ex;
491		}
492		}
493	<	static final class FailingFunction implements Function<Integer, Integer> {
494	<	int invocationCount = 0;
493	>
494	>	static class FailingFunction extends CheckedIntegerAction
495	>	implements Function<Integer, Integer>
496	>	{
497	>	final CFException ex;
498	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
499		public Integer apply(Integer x) {
500	<	invocationCount++;
501	<	throw new CFException();
500	>	invoked();
501	>	value = x;
502	>	throw ex;
503		}
504		}
505	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
506	<	int invocationCount = 0;
505	>
506	>	static class FailingBiFunction extends CheckedIntegerAction
507	>	implements BiFunction<Integer, Integer, Integer>
508	>	{
509	>	final CFException ex;
510	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
511		public Integer apply(Integer x, Integer y) {
512	<	invocationCount++;
513	<	throw new CFException();
512	>	invoked();
513	>	value = subtract(x, y);
514	>	throw ex;
515		}
516		}
517	<	static final class FailingNoop implements Runnable {
518	<	int invocationCount = 0;
517	>
518	>	static class FailingRunnable extends CheckedAction implements Runnable {
519	>	final CFException ex;
520	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
521		public void run() {
522	<	invocationCount++;
523	<	throw new CFException();
522	>	invoked();
523	>	throw ex;
524		}
525		}
526
527	<	static final class CompletableFutureInc
528	<	implements Function<Integer, CompletableFuture<Integer>> {
529	<	int invocationCount = 0;
527	>	static class CompletableFutureInc extends CheckedIntegerAction
528	>	implements Function<Integer, CompletableFuture<Integer>>
529	>	{
530	>	CompletableFutureInc(ExecutionMode m) { super(m); }
531		public CompletableFuture<Integer> apply(Integer x) {
532	<	invocationCount++;
532	>	invoked();
533	>	value = x;
534		CompletableFuture<Integer> f = new CompletableFuture<>();
535	<	f.complete(inc(x));
535	>	assertTrue(f.complete(inc(x)));
536		return f;
537		}
538		}
539
540	<	static final class FailingCompletableFutureFunction
541	<	implements Function<Integer, CompletableFuture<Integer>> {
542	<	int invocationCount = 0;
540	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
541	>	implements Function<Integer, CompletableFuture<Integer>>
542	>	{
543	>	final CFException ex;
544	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
545		public CompletableFuture<Integer> apply(Integer x) {
546	<	invocationCount++;
547	<	throw new CFException();
546	>	invoked();
547	>	value = x;
548	>	throw ex;
549	>	}
550	>	}
551	>
552	>	static class CountingRejectingExecutor implements Executor {
553	>	final RejectedExecutionException ex = new RejectedExecutionException();
554	>	final AtomicInteger count = new AtomicInteger(0);
555	>	public void execute(Runnable r) {
556	>	count.getAndIncrement();
557	>	throw ex;
558		}
559		}
560
561		// Used for explicit executor tests
562		static final class ThreadExecutor implements Executor {
563	<	AtomicInteger count = new AtomicInteger(0);
563	>	final AtomicInteger count = new AtomicInteger(0);
564	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
565	>	static boolean startedCurrentThread() {
566	>	return Thread.currentThread().getThreadGroup() == tg;
567	>	}
568
569		public void execute(Runnable r) {
570		count.getAndIncrement();
571	<	new Thread(r).start();
571	>	new Thread(tg, r).start();
572		}
573		}
574
575	+	static final boolean defaultExecutorIsCommonPool
576	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
577	+
578		/**
579		* Permits the testing of parallel code for the 3 different
580	<	* execution modes without repeating all the testing code.
580	>	* execution modes without copy/pasting all the test methods.
581		*/
582		enum ExecutionMode {
583	<	DEFAULT {
583	>	SYNC {
584		public void checkExecutionMode() {
585	+	assertFalse(ThreadExecutor.startedCurrentThread());
586		assertNull(ForkJoinTask.getPool());
587		}
588	+	public CompletableFuture<Void> runAsync(Runnable a) {
589	+	throw new UnsupportedOperationException();
590	+	}
591	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
592	+	throw new UnsupportedOperationException();
593	+	}
594		public <T> CompletableFuture<Void> thenRun
595		(CompletableFuture<T> f, Runnable a) {
596		return f.thenRun(a);
#	Line 528 | Line 656 | public class CompletableFutureTest exten
656
657		ASYNC {
658		public void checkExecutionMode() {
659	<	assertSame(ForkJoinPool.commonPool(),
660	<	ForkJoinTask.getPool());
659	>	assertEquals(defaultExecutorIsCommonPool,
660	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
661	>	}
662	>	public CompletableFuture<Void> runAsync(Runnable a) {
663	>	return CompletableFuture.runAsync(a);
664	>	}
665	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
666	>	return CompletableFuture.supplyAsync(a);
667		}
668		public <T> CompletableFuture<Void> thenRun
669		(CompletableFuture<T> f, Runnable a) {
#	Line 596 | Line 730 | public class CompletableFutureTest exten
730
731		EXECUTOR {
732		public void checkExecutionMode() {
733	<	//TODO
733	>	assertTrue(ThreadExecutor.startedCurrentThread());
734	>	}
735	>	public CompletableFuture<Void> runAsync(Runnable a) {
736	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
737	>	}
738	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
739	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
740		}
741		public <T> CompletableFuture<Void> thenRun
742		(CompletableFuture<T> f, Runnable a) {
#	Line 662 | Line 802 | public class CompletableFutureTest exten
802		};
803
804		public abstract void checkExecutionMode();
805	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
806	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
807		public abstract <T> CompletableFuture<Void> thenRun
808		(CompletableFuture<T> f, Runnable a);
809		public abstract <T> CompletableFuture<Void> thenAccept
#	Line 711 | Line 853 | public class CompletableFutureTest exten
853		{
854		final AtomicInteger a = new AtomicInteger(0);
855		final CompletableFuture<Integer> f = new CompletableFuture<>();
856	<	if (!createIncomplete) f.complete(v1);
856	>	if (!createIncomplete) assertTrue(f.complete(v1));
857		final CompletableFuture<Integer> g = f.exceptionally
858		((Throwable t) -> {
717	–	// Should not be called
859		a.getAndIncrement();
860	<	throw new AssertionError();
860	>	threadFail("should not be called");
861	>	return null;            // unreached
862		});
863	<	if (createIncomplete) f.complete(v1);
863	>	if (createIncomplete) assertTrue(f.complete(v1));
864
865		checkCompletedNormally(g, v1);
866		checkCompletedNormally(f, v1);
867		assertEquals(0, a.get());
868		}}
869
728	–
870		/**
871		* exceptionally action completes with function value on source
872		* exception
#	Line 740 | Line 881 | public class CompletableFutureTest exten
881		if (!createIncomplete) f.completeExceptionally(ex);
882		final CompletableFuture<Integer> g = f.exceptionally
883		((Throwable t) -> {
884	+	ExecutionMode.SYNC.checkExecutionMode();
885		threadAssertSame(t, ex);
886		a.getAndIncrement();
887		return v1;
#	Line 750 | Line 892 | public class CompletableFutureTest exten
892		assertEquals(1, a.get());
893		}}
894
895	+	/**
896	+	* If an "exceptionally action" throws an exception, it completes
897	+	* exceptionally with that exception
898	+	*/
899		public void testExceptionally_exceptionalCompletionActionFailed() {
900		for (boolean createIncomplete : new boolean[] { true, false })
755	–	for (Integer v1 : new Integer[] { 1, null })
901		{
902		final AtomicInteger a = new AtomicInteger(0);
903		final CFException ex1 = new CFException();
#	Line 761 | Line 906 | public class CompletableFutureTest exten
906		if (!createIncomplete) f.completeExceptionally(ex1);
907		final CompletableFuture<Integer> g = f.exceptionally
908		((Throwable t) -> {
909	+	ExecutionMode.SYNC.checkExecutionMode();
910		threadAssertSame(t, ex1);
911		a.getAndIncrement();
912		throw ex2;
913		});
914		if (createIncomplete) f.completeExceptionally(ex1);
915
916	<	checkCompletedWithWrappedCFException(g, ex2);
916	>	checkCompletedWithWrappedException(g, ex2);
917	>	checkCompletedExceptionally(f, ex1);
918		assertEquals(1, a.get());
919		}}
920
921		/**
922	<	* handle action completes normally with function value on normal
923	<	* completion of source
922	>	* whenComplete action executes on normal completion, propagating
923	>	* source result.
924		*/
925	<	public void testHandle_normalCompletion() {
925	>	public void testWhenComplete_normalCompletion() {
926		for (ExecutionMode m : ExecutionMode.values())
927		for (boolean createIncomplete : new boolean[] { true, false })
928		for (Integer v1 : new Integer[] { 1, null })
929		{
783	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
930		final AtomicInteger a = new AtomicInteger(0);
931	<	if (!createIncomplete) f.complete(v1);
932	<	final CompletableFuture<Integer> g = m.handle
931	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
932	>	if (!createIncomplete) assertTrue(f.complete(v1));
933	>	final CompletableFuture<Integer> g = m.whenComplete
934		(f,
935	<	(Integer x, Throwable t) -> {
936	<	threadAssertSame(x, v1);
935	>	(Integer result, Throwable t) -> {
936	>	m.checkExecutionMode();
937	>	threadAssertSame(result, v1);
938		threadAssertNull(t);
939		a.getAndIncrement();
792	–	return inc(v1);
940		});
941	<	if (createIncomplete) f.complete(v1);
941	>	if (createIncomplete) assertTrue(f.complete(v1));
942
943	<	checkCompletedNormally(g, inc(v1));
943	>	checkCompletedNormally(g, v1);
944		checkCompletedNormally(f, v1);
945		assertEquals(1, a.get());
946		}}
947
948		/**
949	<	* handle action completes normally with function value on
950	<	* exceptional completion of source
949	>	* whenComplete action executes on exceptional completion, propagating
950	>	* source result.
951		*/
952	<	public void testHandle_exceptionalCompletion() {
952	>	public void testWhenComplete_exceptionalCompletion() {
953		for (ExecutionMode m : ExecutionMode.values())
954		for (boolean createIncomplete : new boolean[] { true, false })
808	–	for (Integer v1 : new Integer[] { 1, null })
955		{
810	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
956		final AtomicInteger a = new AtomicInteger(0);
957		final CFException ex = new CFException();
958	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
959		if (!createIncomplete) f.completeExceptionally(ex);
960	<	final CompletableFuture<Integer> g = m.handle
960	>	final CompletableFuture<Integer> g = m.whenComplete
961		(f,
962	<	(Integer x, Throwable t) -> {
963	<	threadAssertNull(x);
962	>	(Integer result, Throwable t) -> {
963	>	m.checkExecutionMode();
964	>	threadAssertNull(result);
965		threadAssertSame(t, ex);
966		a.getAndIncrement();
820	–	return v1;
967		});
968		if (createIncomplete) f.completeExceptionally(ex);
969
970	<	checkCompletedNormally(g, v1);
971	<	checkCompletedWithWrappedCFException(f, ex);
970	>	checkCompletedWithWrappedException(g, ex);
971	>	checkCompletedExceptionally(f, ex);
972		assertEquals(1, a.get());
973		}}
974
975		/**
976	<	* handle action completes normally with function value on
977	<	* cancelled source
976	>	* whenComplete action executes on cancelled source, propagating
977	>	* CancellationException.
978		*/
979	<	public void testHandle_sourceCancelled() {
979	>	public void testWhenComplete_sourceCancelled() {
980		for (ExecutionMode m : ExecutionMode.values())
981		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
982		for (boolean createIncomplete : new boolean[] { true, false })
837	–	for (Integer v1 : new Integer[] { 1, null })
983		{
839	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
984		final AtomicInteger a = new AtomicInteger(0);
985	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
986		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
987	<	final CompletableFuture<Integer> g = m.handle
987	>	final CompletableFuture<Integer> g = m.whenComplete
988		(f,
989	<	(Integer x, Throwable t) -> {
990	<	threadAssertNull(x);
989	>	(Integer result, Throwable t) -> {
990	>	m.checkExecutionMode();
991	>	threadAssertNull(result);
992		threadAssertTrue(t instanceof CancellationException);
993		a.getAndIncrement();
848	–	return v1;
994		});
995		if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
996
997	<	checkCompletedNormally(g, v1);
997	>	checkCompletedWithWrappedCancellationException(g);
998		checkCancelled(f);
999		assertEquals(1, a.get());
1000		}}
1001
1002		/**
1003	<	* handle result completes exceptionally if action does
1003	>	* If a whenComplete action throws an exception when triggered by
1004	>	* a normal completion, it completes exceptionally
1005		*/
1006	<	public void testHandle_sourceFailedActionFailed() {
861	<	for (ExecutionMode m : ExecutionMode.values())
1006	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1007		for (boolean createIncomplete : new boolean[] { true, false })
1008	+	for (ExecutionMode m : ExecutionMode.values())
1009	+	for (Integer v1 : new Integer[] { 1, null })
1010		{
1011	+	final AtomicInteger a = new AtomicInteger(0);
1012	+	final CFException ex = new CFException();
1013		final CompletableFuture<Integer> f = new CompletableFuture<>();
1014	+	if (!createIncomplete) assertTrue(f.complete(v1));
1015	+	final CompletableFuture<Integer> g = m.whenComplete
1016	+	(f,
1017	+	(Integer result, Throwable t) -> {
1018	+	m.checkExecutionMode();
1019	+	threadAssertSame(result, v1);
1020	+	threadAssertNull(t);
1021	+	a.getAndIncrement();
1022	+	throw ex;
1023	+	});
1024	+	if (createIncomplete) assertTrue(f.complete(v1));
1025	+
1026	+	checkCompletedWithWrappedException(g, ex);
1027	+	checkCompletedNormally(f, v1);
1028	+	assertEquals(1, a.get());
1029	+	}}
1030	+
1031	+	/**
1032	+	* If a whenComplete action throws an exception when triggered by
1033	+	* a source completion that also throws an exception, the source
1034	+	* exception takes precedence (unlike handle)
1035	+	*/
1036	+	public void testWhenComplete_sourceFailedActionFailed() {
1037	+	for (boolean createIncomplete : new boolean[] { true, false })
1038	+	for (ExecutionMode m : ExecutionMode.values())
1039	+	{
1040		final AtomicInteger a = new AtomicInteger(0);
1041		final CFException ex1 = new CFException();
1042		final CFException ex2 = new CFException();
1043	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1044	+
1045		if (!createIncomplete) f.completeExceptionally(ex1);
1046	<	final CompletableFuture<Integer> g = m.handle
1046	>	final CompletableFuture<Integer> g = m.whenComplete
1047		(f,
1048	<	(Integer x, Throwable t) -> {
1049	<	threadAssertNull(x);
1050	<	threadAssertSame(ex1, t);
1048	>	(Integer result, Throwable t) -> {
1049	>	m.checkExecutionMode();
1050	>	threadAssertSame(t, ex1);
1051	>	threadAssertNull(result);
1052		a.getAndIncrement();
1053		throw ex2;
1054		});
1055		if (createIncomplete) f.completeExceptionally(ex1);
1056
1057	<	checkCompletedWithWrappedCFException(g, ex2);
1058	<	checkCompletedWithWrappedCFException(f, ex1);
1057	>	checkCompletedWithWrappedException(g, ex1);
1058	>	checkCompletedExceptionally(f, ex1);
1059	>	if (testImplementationDetails) {
1060	>	assertEquals(1, ex1.getSuppressed().length);
1061	>	assertSame(ex2, ex1.getSuppressed()[0]);
1062	>	}
1063		assertEquals(1, a.get());
1064		}}
1065
1066	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1066	>	/**
1067	>	* handle action completes normally with function value on normal
1068	>	* completion of source
1069	>	*/
1070	>	public void testHandle_normalCompletion() {
1071		for (ExecutionMode m : ExecutionMode.values())
1072		for (boolean createIncomplete : new boolean[] { true, false })
1073		for (Integer v1 : new Integer[] { 1, null })
1074		{
1075		final CompletableFuture<Integer> f = new CompletableFuture<>();
1076		final AtomicInteger a = new AtomicInteger(0);
1077	<	final CFException ex = new CFException();
892	<	if (!createIncomplete) f.complete(v1);
1077	>	if (!createIncomplete) assertTrue(f.complete(v1));
1078		final CompletableFuture<Integer> g = m.handle
1079		(f,
1080	<	(Integer x, Throwable t) -> {
1081	<	threadAssertSame(x, v1);
1080	>	(Integer result, Throwable t) -> {
1081	>	m.checkExecutionMode();
1082	>	threadAssertSame(result, v1);
1083		threadAssertNull(t);
1084		a.getAndIncrement();
1085	<	throw ex;
1085	>	return inc(v1);
1086		});
1087	<	if (createIncomplete) f.complete(v1);
1087	>	if (createIncomplete) assertTrue(f.complete(v1));
1088
1089	<	checkCompletedWithWrappedCFException(g, ex);
1089	>	checkCompletedNormally(g, inc(v1));
1090		checkCompletedNormally(f, v1);
1091		assertEquals(1, a.get());
1092		}}
1093
1094		/**
1095	<	* runAsync completes after running Runnable
1096	<	*/
911	<	public void testRunAsync() {
912	<	Noop r = new Noop();
913	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
914	<	assertNull(f.join());
915	<	assertEquals(1, r.invocationCount);
916	<	checkCompletedNormally(f, null);
917	<	}
918	<
919	<	/**
920	<	* runAsync with executor completes after running Runnable
921	<	*/
922	<	public void testRunAsync2() {
923	<	Noop r = new Noop();
924	<	ThreadExecutor exec = new ThreadExecutor();
925	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
926	<	assertNull(f.join());
927	<	assertEquals(1, r.invocationCount);
928	<	checkCompletedNormally(f, null);
929	<	assertEquals(1, exec.count.get());
930	<	}
931	<
932	<	/**
933	<	* failing runAsync completes exceptionally after running Runnable
934	<	*/
935	<	public void testRunAsync3() {
936	<	FailingNoop r = new FailingNoop();
937	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
938	<	checkCompletedWithWrappedCFException(f);
939	<	assertEquals(1, r.invocationCount);
940	<	}
941	<
942	<	/**
943	<	* supplyAsync completes with result of supplier
944	<	*/
945	<	public void testSupplyAsync() {
946	<	CompletableFuture<Integer> f;
947	<	f = CompletableFuture.supplyAsync(supplyOne);
948	<	assertEquals(f.join(), one);
949	<	checkCompletedNormally(f, one);
950	<	}
951	<
952	<	/**
953	<	* supplyAsync with executor completes with result of supplier
954	<	*/
955	<	public void testSupplyAsync2() {
956	<	CompletableFuture<Integer> f;
957	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
958	<	assertEquals(f.join(), one);
959	<	checkCompletedNormally(f, one);
960	<	}
961	<
962	<	/**
963	<	* Failing supplyAsync completes exceptionally
964	<	*/
965	<	public void testSupplyAsync3() {
966	<	FailingSupplier r = new FailingSupplier();
967	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
968	<	checkCompletedWithWrappedCFException(f);
969	<	assertEquals(1, r.invocationCount);
970	<	}
971	<
972	<	// seq completion methods
973	<
974	<	/**
975	<	* thenRun result completes normally after normal completion of source
1095	>	* handle action completes normally with function value on
1096	>	* exceptional completion of source
1097		*/
1098	<	public void testThenRun_normalCompletion() {
1098	>	public void testHandle_exceptionalCompletion() {
1099		for (ExecutionMode m : ExecutionMode.values())
1100		for (boolean createIncomplete : new boolean[] { true, false })
1101		for (Integer v1 : new Integer[] { 1, null })
1102		{
1103		final CompletableFuture<Integer> f = new CompletableFuture<>();
1104	<	final Noop r = new Noop();
984	<	if (!createIncomplete) f.complete(v1);
985	<	final CompletableFuture<Void> g = m.thenRun(f, r);
986	<	if (createIncomplete) f.complete(v1);
987	<
988	<	checkCompletedNormally(g, null);
989	<	checkCompletedNormally(f, v1);
990	<	assertEquals(1, r.invocationCount);
991	<	}}
992	<
993	<	/**
994	<	* thenRun result completes exceptionally after exceptional
995	<	* completion of source
996	<	*/
997	<	public void testThenRun_exceptionalCompletion() {
998	<	for (ExecutionMode m : ExecutionMode.values())
999	<	for (boolean createIncomplete : new boolean[] { true, false })
1000	<	{
1104	>	final AtomicInteger a = new AtomicInteger(0);
1105		final CFException ex = new CFException();
1002	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1003	–	final Noop r = new Noop();
1106		if (!createIncomplete) f.completeExceptionally(ex);
1107	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1107	>	final CompletableFuture<Integer> g = m.handle
1108	>	(f,
1109	>	(Integer result, Throwable t) -> {
1110	>	m.checkExecutionMode();
1111	>	threadAssertNull(result);
1112	>	threadAssertSame(t, ex);
1113	>	a.getAndIncrement();
1114	>	return v1;
1115	>	});
1116		if (createIncomplete) f.completeExceptionally(ex);
1117
1118	<	checkCompletedWithWrappedCFException(g, ex);
1119	<	checkCompletedWithWrappedCFException(f, ex);
1120	<	assertEquals(0, r.invocationCount);
1118	>	checkCompletedNormally(g, v1);
1119	>	checkCompletedExceptionally(f, ex);
1120	>	assertEquals(1, a.get());
1121		}}
1122
1123		/**
1124	<	* thenRun result completes exceptionally if source cancelled
1124	>	* handle action completes normally with function value on
1125	>	* cancelled source
1126		*/
1127	<	public void testThenRun_sourceCancelled() {
1127	>	public void testHandle_sourceCancelled() {
1128		for (ExecutionMode m : ExecutionMode.values())
1018	–	for (boolean createIncomplete : new boolean[] { true, false })
1129		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1130	+	for (boolean createIncomplete : new boolean[] { true, false })
1131	+	for (Integer v1 : new Integer[] { 1, null })
1132		{
1133		final CompletableFuture<Integer> f = new CompletableFuture<>();
1134	<	final Noop r = new Noop();
1134	>	final AtomicInteger a = new AtomicInteger(0);
1135		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1136	<	final CompletableFuture<Void> g = f.thenRun(r);
1136	>	final CompletableFuture<Integer> g = m.handle
1137	>	(f,
1138	>	(Integer result, Throwable t) -> {
1139	>	m.checkExecutionMode();
1140	>	threadAssertNull(result);
1141	>	threadAssertTrue(t instanceof CancellationException);
1142	>	a.getAndIncrement();
1143	>	return v1;
1144	>	});
1145		if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1146
1147	<	checkCompletedWithWrappedCancellationException(g);
1147	>	checkCompletedNormally(g, v1);
1148		checkCancelled(f);
1149	<	assertEquals(0, r.invocationCount);
1149	>	assertEquals(1, a.get());
1150		}}
1151
1152		/**
1153	<	* thenRun result completes exceptionally if action does
1153	>	* If a "handle action" throws an exception when triggered by
1154	>	* a normal completion, it completes exceptionally
1155		*/
1156	<	public void testThenRun_actionFailed() {
1156	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1157		for (ExecutionMode m : ExecutionMode.values())
1158		for (boolean createIncomplete : new boolean[] { true, false })
1159		for (Integer v1 : new Integer[] { 1, null })
1160		{
1161		final CompletableFuture<Integer> f = new CompletableFuture<>();
1162	<	final FailingNoop r = new FailingNoop();
1163	<	if (!createIncomplete) f.complete(v1);
1164	<	final CompletableFuture<Void> g = f.thenRun(r);
1165	<	if (createIncomplete) f.complete(v1);
1162	>	final AtomicInteger a = new AtomicInteger(0);
1163	>	final CFException ex = new CFException();
1164	>	if (!createIncomplete) assertTrue(f.complete(v1));
1165	>	final CompletableFuture<Integer> g = m.handle
1166	>	(f,
1167	>	(Integer result, Throwable t) -> {
1168	>	m.checkExecutionMode();
1169	>	threadAssertSame(result, v1);
1170	>	threadAssertNull(t);
1171	>	a.getAndIncrement();
1172	>	throw ex;
1173	>	});
1174	>	if (createIncomplete) assertTrue(f.complete(v1));
1175
1176	<	checkCompletedWithWrappedCFException(g);
1176	>	checkCompletedWithWrappedException(g, ex);
1177		checkCompletedNormally(f, v1);
1178	+	assertEquals(1, a.get());
1179		}}
1180
1181		/**
1182	<	* thenApply result completes normally after normal completion of source
1183	<	*/
1184	<	public void testThenApply() {
1054	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1055	<	CompletableFuture<Integer> g = f.thenApply(inc);
1056	<	f.complete(one);
1057	<	checkCompletedNormally(g, two);
1058	<	}
1059	<
1060	<	/**
1061	<	* thenApply result completes exceptionally after exceptional
1062	<	* completion of source
1063	<	*/
1064	<	public void testThenApply2() {
1065	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1066	<	CompletableFuture<Integer> g = f.thenApply(inc);
1067	<	f.completeExceptionally(new CFException());
1068	<	checkCompletedWithWrappedCFException(g);
1069	<	}
1070	<
1071	<	/**
1072	<	* thenApply result completes exceptionally if action does
1073	<	*/
1074	<	public void testThenApply3() {
1075	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1076	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1077	<	f.complete(one);
1078	<	checkCompletedWithWrappedCFException(g);
1079	<	}
1080	<
1081	<	/**
1082	<	* thenApply result completes exceptionally if source cancelled
1083	<	*/
1084	<	public void testThenApply4() {
1085	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1086	<	CompletableFuture<Integer> g = f.thenApply(inc);
1087	<	assertTrue(f.cancel(true));
1088	<	checkCompletedWithWrappedCancellationException(g);
1089	<	}
1090	<
1091	<	/**
1092	<	* thenAccept result completes normally after normal completion of source
1093	<	*/
1094	<	public void testThenAccept() {
1095	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1096	<	IncAction r = new IncAction();
1097	<	CompletableFuture<Void> g = f.thenAccept(r);
1098	<	f.complete(one);
1099	<	checkCompletedNormally(g, null);
1100	<	assertEquals(r.value, (Integer) 2);
1101	<	}
1102	<
1103	<	/**
1104	<	* thenAccept result completes exceptionally after exceptional
1105	<	* completion of source
1106	<	*/
1107	<	public void testThenAccept2() {
1108	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1109	<	IncAction r = new IncAction();
1110	<	CompletableFuture<Void> g = f.thenAccept(r);
1111	<	f.completeExceptionally(new CFException());
1112	<	checkCompletedWithWrappedCFException(g);
1113	<	}
1114	<
1115	<	/**
1116	<	* thenAccept result completes exceptionally if action does
1182	>	* If a "handle action" throws an exception when triggered by
1183	>	* a source completion that also throws an exception, the action
1184	>	* exception takes precedence (unlike whenComplete)
1185		*/
1186	<	public void testThenAccept3() {
1119	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1120	<	FailingConsumer r = new FailingConsumer();
1121	<	CompletableFuture<Void> g = f.thenAccept(r);
1122	<	f.complete(one);
1123	<	checkCompletedWithWrappedCFException(g);
1124	<	assertEquals(1, r.invocationCount);
1125	<	}
1126	<
1127	<	/**
1128	<	* thenAccept result completes exceptionally if source cancelled
1129	<	*/
1130	<	public void testThenAccept4() {
1131	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1132	<	IncAction r = new IncAction();
1133	<	CompletableFuture<Void> g = f.thenAccept(r);
1134	<	assertTrue(f.cancel(true));
1135	<	checkCompletedWithWrappedCancellationException(g);
1136	<	}
1137	<
1138	<	/**
1139	<	* thenCombine result completes normally after normal completion
1140	<	* of sources
1141	<	*/
1142	<	public void testThenCombine_normalCompletion1() {
1186	>	public void testHandle_sourceFailedActionFailed() {
1187		for (boolean createIncomplete : new boolean[] { true, false })
1144	–	for (boolean fFirst : new boolean[] { true, false })
1188		for (ExecutionMode m : ExecutionMode.values())
1146	–	for (Integer v1 : new Integer[] { 1, null })
1147	–	for (Integer v2 : new Integer[] { 2, null })
1189		{
1190	+	final AtomicInteger a = new AtomicInteger(0);
1191	+	final CFException ex1 = new CFException();
1192	+	final CFException ex2 = new CFException();
1193		final CompletableFuture<Integer> f = new CompletableFuture<>();
1150	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1151	–	final SubtractFunction r = new SubtractFunction();
1152	–	CompletableFuture<Integer> h = null;
1153	–	if (createIncomplete) h = m.thenCombine(f, g, r);
1194
1195	<	if (fFirst)
1196	<	f.complete(v1);
1197	<	else
1198	<	g.complete(v2);
1199	<	if (createIncomplete) checkIncomplete(h);
1200	<	assertEquals(0, r.invocationCount);
1201	<	if (!fFirst)
1202	<	f.complete(v1);
1203	<	else
1204	<	g.complete(v2);
1205	<	if (!createIncomplete) h = m.thenCombine(f, g, r);
1195	>	if (!createIncomplete) f.completeExceptionally(ex1);
1196	>	final CompletableFuture<Integer> g = m.handle
1197	>	(f,
1198	>	(Integer result, Throwable t) -> {
1199	>	m.checkExecutionMode();
1200	>	threadAssertNull(result);
1201	>	threadAssertSame(ex1, t);
1202	>	a.getAndIncrement();
1203	>	throw ex2;
1204	>	});
1205	>	if (createIncomplete) f.completeExceptionally(ex1);
1206
1207	<	checkCompletedNormally(h, subtract(v1, v2));
1208	<	checkCompletedNormally(f, v1);
1209	<	checkCompletedNormally(g, v2);
1170	<	assertEquals(1, r.invocationCount);
1207	>	checkCompletedWithWrappedException(g, ex2);
1208	>	checkCompletedExceptionally(f, ex1);
1209	>	assertEquals(1, a.get());
1210		}}
1211
1212		/**
1213	<	* thenCombine result completes exceptionally after exceptional
1175	<	* completion of either source
1213	>	* runAsync completes after running Runnable
1214		*/
1215	<	public void testThenCombine_exceptionalCompletion1() {
1216	<	for (ExecutionMode m : ExecutionMode.values())
1217	<	for (Integer v1 : new Integer[] { 1, null })
1215	>	public void testRunAsync_normalCompletion() {
1216	>	ExecutionMode[] executionModes = {
1217	>	ExecutionMode.ASYNC,
1218	>	ExecutionMode.EXECUTOR,
1219	>	};
1220	>	for (ExecutionMode m : executionModes)
1221		{
1222	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1223	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1224	<	final SubtractFunction r = new SubtractFunction();
1225	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1226	<	final CFException ex = new CFException();
1186	<
1187	<	f.completeExceptionally(ex);
1188	<	checkIncomplete(h);
1189	<	g.complete(v1);
1190	<
1191	<	checkCompletedWithWrappedCFException(h, ex);
1192	<	checkCompletedWithWrappedCFException(f, ex);
1193	<	assertEquals(0, r.invocationCount);
1194	<	checkCompletedNormally(g, v1);
1222	>	final Noop r = new Noop(m);
1223	>	final CompletableFuture<Void> f = m.runAsync(r);
1224	>	assertNull(f.join());
1225	>	checkCompletedNormally(f, null);
1226	>	r.assertInvoked();
1227		}}
1228
1229	<	public void testThenCombine_exceptionalCompletion2() {
1230	<	for (ExecutionMode m : ExecutionMode.values())
1231	<	for (Integer v1 : new Integer[] { 1, null })
1229	>	/**
1230	>	* failing runAsync completes exceptionally after running Runnable
1231	>	*/
1232	>	public void testRunAsync_exceptionalCompletion() {
1233	>	ExecutionMode[] executionModes = {
1234	>	ExecutionMode.ASYNC,
1235	>	ExecutionMode.EXECUTOR,
1236	>	};
1237	>	for (ExecutionMode m : executionModes)
1238		{
1239	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1240	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1241	<	final SubtractFunction r = new SubtractFunction();
1242	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1205	<	final CFException ex = new CFException();
1206	<
1207	<	g.completeExceptionally(ex);
1208	<	checkIncomplete(h);
1209	<	f.complete(v1);
1210	<
1211	<	checkCompletedWithWrappedCFException(h, ex);
1212	<	checkCompletedWithWrappedCFException(g, ex);
1213	<	assertEquals(0, r.invocationCount);
1214	<	checkCompletedNormally(f, v1);
1239	>	final FailingRunnable r = new FailingRunnable(m);
1240	>	final CompletableFuture<Void> f = m.runAsync(r);
1241	>	checkCompletedWithWrappedException(f, r.ex);
1242	>	r.assertInvoked();
1243		}}
1244
1245	<	public void testThenCombine_exceptionalCompletion3() {
1246	<	for (ExecutionMode m : ExecutionMode.values())
1247	<	for (Integer v1 : new Integer[] { 1, null })
1248	<	{
1249	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1250	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1251	<	final SubtractFunction r = new SubtractFunction();
1252	<	final CFException ex = new CFException();
1225	<
1226	<	g.completeExceptionally(ex);
1227	<	f.complete(v1);
1228	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1245	>	public void testRunAsync_rejectingExecutor() {
1246	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1247	>	try {
1248	>	CompletableFuture.runAsync(() -> {}, e);
1249	>	shouldThrow();
1250	>	} catch (Throwable t) {
1251	>	assertSame(e.ex, t);
1252	>	}
1253
1254	<	checkCompletedWithWrappedCFException(h, ex);
1255	<	checkCompletedWithWrappedCFException(g, ex);
1232	<	assertEquals(0, r.invocationCount);
1233	<	checkCompletedNormally(f, v1);
1234	<	}}
1254	>	assertEquals(1, e.count.get());
1255	>	}
1256
1257	<	public void testThenCombine_exceptionalCompletion4() {
1258	<	for (ExecutionMode m : ExecutionMode.values())
1257	>	/**
1258	>	* supplyAsync completes with result of supplier
1259	>	*/
1260	>	public void testSupplyAsync_normalCompletion() {
1261	>	ExecutionMode[] executionModes = {
1262	>	ExecutionMode.ASYNC,
1263	>	ExecutionMode.EXECUTOR,
1264	>	};
1265	>	for (ExecutionMode m : executionModes)
1266		for (Integer v1 : new Integer[] { 1, null })
1267		{
1268	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1269	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1270	<	final SubtractFunction r = new SubtractFunction();
1271	<	final CFException ex = new CFException();
1272	<
1245	<	f.completeExceptionally(ex);
1246	<	g.complete(v1);
1247	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1248	<
1249	<	checkCompletedWithWrappedCFException(h, ex);
1250	<	checkCompletedWithWrappedCFException(f, ex);
1251	<	assertEquals(0, r.invocationCount);
1252	<	checkCompletedNormally(g, v1);
1268	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1269	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1270	>	assertSame(v1, f.join());
1271	>	checkCompletedNormally(f, v1);
1272	>	r.assertInvoked();
1273		}}
1274
1275		/**
1276	<	* thenCombine result completes exceptionally if action does
1276	>	* Failing supplyAsync completes exceptionally
1277		*/
1278	<	public void testThenCombine_actionFailed1() {
1279	<	for (ExecutionMode m : ExecutionMode.values())
1280	<	for (Integer v1 : new Integer[] { 1, null })
1281	<	for (Integer v2 : new Integer[] { 2, null })
1278	>	public void testSupplyAsync_exceptionalCompletion() {
1279	>	ExecutionMode[] executionModes = {
1280	>	ExecutionMode.ASYNC,
1281	>	ExecutionMode.EXECUTOR,
1282	>	};
1283	>	for (ExecutionMode m : executionModes)
1284		{
1285	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1286	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1287	<	final FailingBiFunction r = new FailingBiFunction();
1288	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1267	<
1268	<	f.complete(v1);
1269	<	checkIncomplete(h);
1270	<	g.complete(v2);
1271	<
1272	<	checkCompletedWithWrappedCFException(h);
1273	<	checkCompletedNormally(f, v1);
1274	<	checkCompletedNormally(g, v2);
1285	>	FailingSupplier r = new FailingSupplier(m);
1286	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1287	>	checkCompletedWithWrappedException(f, r.ex);
1288	>	r.assertInvoked();
1289		}}
1290
1291	<	public void testThenCombine_actionFailed2() {
1292	<	for (ExecutionMode m : ExecutionMode.values())
1293	<	for (Integer v1 : new Integer[] { 1, null })
1294	<	for (Integer v2 : new Integer[] { 2, null })
1295	<	{
1296	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1297	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1298	<	final FailingBiFunction r = new FailingBiFunction();
1285	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1291	>	public void testSupplyAsync_rejectingExecutor() {
1292	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1293	>	try {
1294	>	CompletableFuture.supplyAsync(() -> null, e);
1295	>	shouldThrow();
1296	>	} catch (Throwable t) {
1297	>	assertSame(e.ex, t);
1298	>	}
1299
1300	<	g.complete(v2);
1301	<	checkIncomplete(h);
1289	<	f.complete(v1);
1300	>	assertEquals(1, e.count.get());
1301	>	}
1302
1303	<	checkCompletedWithWrappedCFException(h);
1292	<	checkCompletedNormally(f, v1);
1293	<	checkCompletedNormally(g, v2);
1294	<	}}
1303	>	// seq completion methods
1304
1305		/**
1306	<	* thenCombine result completes exceptionally if either source cancelled
1306	>	* thenRun result completes normally after normal completion of source
1307		*/
1308	<	public void testThenCombine_sourceCancelled1() {
1308	>	public void testThenRun_normalCompletion() {
1309		for (ExecutionMode m : ExecutionMode.values())
1301	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1310		for (Integer v1 : new Integer[] { 1, null })
1311		{
1312		final CompletableFuture<Integer> f = new CompletableFuture<>();
1313	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1314	<	final SubtractFunction r = new SubtractFunction();
1307	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1308	<
1309	<	assertTrue(f.cancel(mayInterruptIfRunning));
1310	<	checkIncomplete(h);
1311	<	g.complete(v1);
1312	<
1313	<	checkCompletedWithWrappedCancellationException(h);
1314	<	checkCancelled(f);
1315	<	assertEquals(0, r.invocationCount);
1316	<	checkCompletedNormally(g, v1);
1317	<	}}
1313	>	final Noop[] rs = new Noop[6];
1314	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1315
1316	<	public void testThenCombine_sourceCancelled2() {
1317	<	for (ExecutionMode m : ExecutionMode.values())
1318	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1319	<	for (Integer v1 : new Integer[] { 1, null })
1320	<	{
1321	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1322	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1323	<	final SubtractFunction r = new SubtractFunction();
1324	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1325	<
1326	<	assertTrue(g.cancel(mayInterruptIfRunning));
1327	<	checkIncomplete(h);
1328	<	f.complete(v1);
1329	<
1330	<	checkCompletedWithWrappedCancellationException(h);
1331	<	checkCancelled(g);
1332	<	assertEquals(0, r.invocationCount);
1316	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1317	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1318	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1319	>	checkIncomplete(h0);
1320	>	checkIncomplete(h1);
1321	>	checkIncomplete(h2);
1322	>	assertTrue(f.complete(v1));
1323	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1324	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1325	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1326	>
1327	>	checkCompletedNormally(h0, null);
1328	>	checkCompletedNormally(h1, null);
1329	>	checkCompletedNormally(h2, null);
1330	>	checkCompletedNormally(h3, null);
1331	>	checkCompletedNormally(h4, null);
1332	>	checkCompletedNormally(h5, null);
1333		checkCompletedNormally(f, v1);
1334	+	for (Noop r : rs) r.assertInvoked();
1335		}}
1336
1337	<	public void testThenCombine_sourceCancelled3() {
1337	>	/**
1338	>	* thenRun result completes exceptionally after exceptional
1339	>	* completion of source
1340	>	*/
1341	>	public void testThenRun_exceptionalCompletion() {
1342		for (ExecutionMode m : ExecutionMode.values())
1341	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1342	–	for (Integer v1 : new Integer[] { 1, null })
1343		{
1344	+	final CFException ex = new CFException();
1345		final CompletableFuture<Integer> f = new CompletableFuture<>();
1346	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1347	<	final SubtractFunction r = new SubtractFunction();
1346	>	final Noop[] rs = new Noop[6];
1347	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1348
1349	<	assertTrue(g.cancel(mayInterruptIfRunning));
1350	<	f.complete(v1);
1351	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1352	<
1353	<	checkCompletedWithWrappedCancellationException(h);
1354	<	checkCancelled(g);
1355	<	assertEquals(0, r.invocationCount);
1356	<	checkCompletedNormally(f, v1);
1349	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1350	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1351	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1352	>	checkIncomplete(h0);
1353	>	checkIncomplete(h1);
1354	>	checkIncomplete(h2);
1355	>	assertTrue(f.completeExceptionally(ex));
1356	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1357	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1358	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1359	>
1360	>	checkCompletedWithWrappedException(h0, ex);
1361	>	checkCompletedWithWrappedException(h1, ex);
1362	>	checkCompletedWithWrappedException(h2, ex);
1363	>	checkCompletedWithWrappedException(h3, ex);
1364	>	checkCompletedWithWrappedException(h4, ex);
1365	>	checkCompletedWithWrappedException(h5, ex);
1366	>	checkCompletedExceptionally(f, ex);
1367	>	for (Noop r : rs) r.assertNotInvoked();
1368		}}
1369
1370	<	public void testThenCombine_sourceCancelled4() {
1370	>	/**
1371	>	* thenRun result completes exceptionally if source cancelled
1372	>	*/
1373	>	public void testThenRun_sourceCancelled() {
1374		for (ExecutionMode m : ExecutionMode.values())
1375		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1361	–	for (Integer v1 : new Integer[] { 1, null })
1376		{
1377		final CompletableFuture<Integer> f = new CompletableFuture<>();
1378	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1379	<	final SubtractFunction r = new SubtractFunction();
1378	>	final Noop[] rs = new Noop[6];
1379	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1380
1381	+	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1382	+	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1383	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1384	+	checkIncomplete(h0);
1385	+	checkIncomplete(h1);
1386	+	checkIncomplete(h2);
1387		assertTrue(f.cancel(mayInterruptIfRunning));
1388	<	g.complete(v1);
1389	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1390	<
1391	<	checkCompletedWithWrappedCancellationException(h);
1388	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1389	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1390	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1391	>
1392	>	checkCompletedWithWrappedCancellationException(h0);
1393	>	checkCompletedWithWrappedCancellationException(h1);
1394	>	checkCompletedWithWrappedCancellationException(h2);
1395	>	checkCompletedWithWrappedCancellationException(h3);
1396	>	checkCompletedWithWrappedCancellationException(h4);
1397	>	checkCompletedWithWrappedCancellationException(h5);
1398		checkCancelled(f);
1399	<	assertEquals(0, r.invocationCount);
1374	<	checkCompletedNormally(g, v1);
1399	>	for (Noop r : rs) r.assertNotInvoked();
1400		}}
1401
1402		/**
1403	<	* thenAcceptBoth result completes normally after normal
1379	<	* completion of sources
1403	>	* thenRun result completes exceptionally if action does
1404		*/
1405	<	public void testThenAcceptBoth_normalCompletion1() {
1382	<	for (ExecutionMode m : ExecutionMode.values())
1383	<	for (Integer v1 : new Integer[] { 1, null })
1384	<	for (Integer v2 : new Integer[] { 2, null })
1385	<	{
1386	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1387	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1388	<	final SubtractAction r = new SubtractAction();
1389	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1390	<
1391	<	f.complete(v1);
1392	<	checkIncomplete(h);
1393	<	assertEquals(0, r.invocationCount);
1394	<	g.complete(v2);
1395	<
1396	<	checkCompletedNormally(h, null);
1397	<	assertEquals(subtract(v1, v2), r.value);
1398	<	checkCompletedNormally(f, v1);
1399	<	checkCompletedNormally(g, v2);
1400	<	}}
1401	<
1402	<	public void testThenAcceptBoth_normalCompletion2() {
1403	<	for (ExecutionMode m : ExecutionMode.values())
1404	<	for (Integer v1 : new Integer[] { 1, null })
1405	<	for (Integer v2 : new Integer[] { 2, null })
1406	<	{
1407	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1408	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1409	<	final SubtractAction r = new SubtractAction();
1410	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1411	<
1412	<	g.complete(v2);
1413	<	checkIncomplete(h);
1414	<	assertEquals(0, r.invocationCount);
1415	<	f.complete(v1);
1416	<
1417	<	checkCompletedNormally(h, null);
1418	<	assertEquals(subtract(v1, v2), r.value);
1419	<	checkCompletedNormally(f, v1);
1420	<	checkCompletedNormally(g, v2);
1421	<	}}
1422	<
1423	<	public void testThenAcceptBoth_normalCompletion3() {
1405	>	public void testThenRun_actionFailed() {
1406		for (ExecutionMode m : ExecutionMode.values())
1407		for (Integer v1 : new Integer[] { 1, null })
1426	–	for (Integer v2 : new Integer[] { 2, null })
1408		{
1409		final CompletableFuture<Integer> f = new CompletableFuture<>();
1410	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1411	<	final SubtractAction r = new SubtractAction();
1431	<
1432	<	g.complete(v2);
1433	<	f.complete(v1);
1434	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1410	>	final FailingRunnable[] rs = new FailingRunnable[6];
1411	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1412
1413	<	checkCompletedNormally(h, null);
1414	<	assertEquals(subtract(v1, v2), r.value);
1413	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1414	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1415	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1416	>	assertTrue(f.complete(v1));
1417	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1418	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1419	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1420	>
1421	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1422	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1423	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1424	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1425	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1426	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1427		checkCompletedNormally(f, v1);
1439	–	checkCompletedNormally(g, v2);
1428		}}
1429
1430	<	public void testThenAcceptBoth_normalCompletion4() {
1430	>	/**
1431	>	* thenApply result completes normally after normal completion of source
1432	>	*/
1433	>	public void testThenApply_normalCompletion() {
1434		for (ExecutionMode m : ExecutionMode.values())
1435		for (Integer v1 : new Integer[] { 1, null })
1445	–	for (Integer v2 : new Integer[] { 2, null })
1436		{
1437		final CompletableFuture<Integer> f = new CompletableFuture<>();
1438	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1439	<	final SubtractAction r = new SubtractAction();
1438	>	final IncFunction[] rs = new IncFunction[4];
1439	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1440
1441	<	f.complete(v1);
1442	<	g.complete(v2);
1443	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1441	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1442	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1443	>	checkIncomplete(h0);
1444	>	checkIncomplete(h1);
1445	>	assertTrue(f.complete(v1));
1446	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1447	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1448
1449	<	checkCompletedNormally(h, null);
1450	<	assertEquals(subtract(v1, v2), r.value);
1449	>	checkCompletedNormally(h0, inc(v1));
1450	>	checkCompletedNormally(h1, inc(v1));
1451	>	checkCompletedNormally(h2, inc(v1));
1452	>	checkCompletedNormally(h3, inc(v1));
1453		checkCompletedNormally(f, v1);
1454	<	checkCompletedNormally(g, v2);
1454	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1455		}}
1456
1457		/**
1458	<	* thenAcceptBoth result completes exceptionally after exceptional
1459	<	* completion of either source
1458	>	* thenApply result completes exceptionally after exceptional
1459	>	* completion of source
1460		*/
1461	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1461	>	public void testThenApply_exceptionalCompletion() {
1462		for (ExecutionMode m : ExecutionMode.values())
1467	–	for (Integer v1 : new Integer[] { 1, null })
1463		{
1469	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1470	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1471	–	final SubtractAction r = new SubtractAction();
1472	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1464		final CFException ex = new CFException();
1474	–
1475	–	f.completeExceptionally(ex);
1476	–	checkIncomplete(h);
1477	–	g.complete(v1);
1478	–
1479	–	checkCompletedWithWrappedCFException(h, ex);
1480	–	checkCompletedWithWrappedCFException(f, ex);
1481	–	assertEquals(0, r.invocationCount);
1482	–	checkCompletedNormally(g, v1);
1483	–	}}
1484	–
1485	–	public void testThenAcceptBoth_exceptionalCompletion2() {
1486	–	for (ExecutionMode m : ExecutionMode.values())
1487	–	for (Integer v1 : new Integer[] { 1, null })
1488	–	{
1465		final CompletableFuture<Integer> f = new CompletableFuture<>();
1466	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1467	<	final SubtractAction r = new SubtractAction();
1492	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1493	<	final CFException ex = new CFException();
1494	<
1495	<	g.completeExceptionally(ex);
1496	<	checkIncomplete(h);
1497	<	f.complete(v1);
1466	>	final IncFunction[] rs = new IncFunction[4];
1467	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1468
1469	<	checkCompletedWithWrappedCFException(h, ex);
1470	<	checkCompletedWithWrappedCFException(g, ex);
1471	<	assertEquals(0, r.invocationCount);
1472	<	checkCompletedNormally(f, v1);
1469	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1470	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1471	>	assertTrue(f.completeExceptionally(ex));
1472	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1473	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1474	>
1475	>	checkCompletedWithWrappedException(h0, ex);
1476	>	checkCompletedWithWrappedException(h1, ex);
1477	>	checkCompletedWithWrappedException(h2, ex);
1478	>	checkCompletedWithWrappedException(h3, ex);
1479	>	checkCompletedExceptionally(f, ex);
1480	>	for (IncFunction r : rs) r.assertNotInvoked();
1481		}}
1482
1483	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1483	>	/**
1484	>	* thenApply result completes exceptionally if source cancelled
1485	>	*/
1486	>	public void testThenApply_sourceCancelled() {
1487		for (ExecutionMode m : ExecutionMode.values())
1488	<	for (Integer v1 : new Integer[] { 1, null })
1488	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1489		{
1490		final CompletableFuture<Integer> f = new CompletableFuture<>();
1491	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1492	<	final SubtractAction r = new SubtractAction();
1512	<	final CFException ex = new CFException();
1491	>	final IncFunction[] rs = new IncFunction[4];
1492	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1493
1494	<	g.completeExceptionally(ex);
1495	<	f.complete(v1);
1496	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1494	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1495	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1496	>	assertTrue(f.cancel(mayInterruptIfRunning));
1497	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1498	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1499
1500	<	checkCompletedWithWrappedCFException(h, ex);
1501	<	checkCompletedWithWrappedCFException(g, ex);
1502	<	assertEquals(0, r.invocationCount);
1503	<	checkCompletedNormally(f, v1);
1500	>	checkCompletedWithWrappedCancellationException(h0);
1501	>	checkCompletedWithWrappedCancellationException(h1);
1502	>	checkCompletedWithWrappedCancellationException(h2);
1503	>	checkCompletedWithWrappedCancellationException(h3);
1504	>	checkCancelled(f);
1505	>	for (IncFunction r : rs) r.assertNotInvoked();
1506		}}
1507
1508	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1508	>	/**
1509	>	* thenApply result completes exceptionally if action does
1510	>	*/
1511	>	public void testThenApply_actionFailed() {
1512		for (ExecutionMode m : ExecutionMode.values())
1513		for (Integer v1 : new Integer[] { 1, null })
1514		{
1515		final CompletableFuture<Integer> f = new CompletableFuture<>();
1516	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1517	<	final SubtractAction r = new SubtractAction();
1531	<	final CFException ex = new CFException();
1516	>	final FailingFunction[] rs = new FailingFunction[4];
1517	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1518
1519	<	f.completeExceptionally(ex);
1520	<	g.complete(v1);
1521	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1519	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1520	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1521	>	assertTrue(f.complete(v1));
1522	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1523	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1524
1525	<	checkCompletedWithWrappedCFException(h, ex);
1526	<	checkCompletedWithWrappedCFException(f, ex);
1527	<	assertEquals(0, r.invocationCount);
1528	<	checkCompletedNormally(g, v1);
1525	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1526	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1527	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1528	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1529	>	checkCompletedNormally(f, v1);
1530		}}
1531
1532		/**
1533	<	* thenAcceptBoth result completes exceptionally if action does
1533	>	* thenAccept result completes normally after normal completion of source
1534		*/
1535	<	public void testThenAcceptBoth_actionFailed1() {
1535	>	public void testThenAccept_normalCompletion() {
1536		for (ExecutionMode m : ExecutionMode.values())
1537		for (Integer v1 : new Integer[] { 1, null })
1549	–	for (Integer v2 : new Integer[] { 2, null })
1538		{
1539		final CompletableFuture<Integer> f = new CompletableFuture<>();
1540	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1541	<	final FailingBiConsumer r = new FailingBiConsumer();
1554	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1540	>	final NoopConsumer[] rs = new NoopConsumer[4];
1541	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1542
1543	<	f.complete(v1);
1544	<	checkIncomplete(h);
1545	<	g.complete(v2);
1543	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1544	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1545	>	checkIncomplete(h0);
1546	>	checkIncomplete(h1);
1547	>	assertTrue(f.complete(v1));
1548	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1549	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1550
1551	<	checkCompletedWithWrappedCFException(h);
1551	>	checkCompletedNormally(h0, null);
1552	>	checkCompletedNormally(h1, null);
1553	>	checkCompletedNormally(h2, null);
1554	>	checkCompletedNormally(h3, null);
1555		checkCompletedNormally(f, v1);
1556	<	checkCompletedNormally(g, v2);
1556	>	for (NoopConsumer r : rs) r.assertValue(v1);
1557		}}
1558
1559	<	public void testThenAcceptBoth_actionFailed2() {
1559	>	/**
1560	>	* thenAccept result completes exceptionally after exceptional
1561	>	* completion of source
1562	>	*/
1563	>	public void testThenAccept_exceptionalCompletion() {
1564		for (ExecutionMode m : ExecutionMode.values())
1567	–	for (Integer v1 : new Integer[] { 1, null })
1568	–	for (Integer v2 : new Integer[] { 2, null })
1565		{
1566	+	final CFException ex = new CFException();
1567		final CompletableFuture<Integer> f = new CompletableFuture<>();
1568	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1569	<	final FailingBiConsumer r = new FailingBiConsumer();
1573	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1574	<
1575	<	g.complete(v2);
1576	<	checkIncomplete(h);
1577	<	f.complete(v1);
1568	>	final NoopConsumer[] rs = new NoopConsumer[4];
1569	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1570
1571	<	checkCompletedWithWrappedCFException(h);
1572	<	checkCompletedNormally(f, v1);
1573	<	checkCompletedNormally(g, v2);
1571	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1572	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1573	>	assertTrue(f.completeExceptionally(ex));
1574	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1575	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1576	>
1577	>	checkCompletedWithWrappedException(h0, ex);
1578	>	checkCompletedWithWrappedException(h1, ex);
1579	>	checkCompletedWithWrappedException(h2, ex);
1580	>	checkCompletedWithWrappedException(h3, ex);
1581	>	checkCompletedExceptionally(f, ex);
1582	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1583		}}
1584
1585		/**
1586	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1586	>	* thenAccept result completes exceptionally if source cancelled
1587		*/
1588	<	public void testThenAcceptBoth_sourceCancelled1() {
1588	>	public void testThenAccept_sourceCancelled() {
1589		for (ExecutionMode m : ExecutionMode.values())
1590		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1590	–	for (Integer v1 : new Integer[] { 1, null })
1591		{
1592		final CompletableFuture<Integer> f = new CompletableFuture<>();
1593	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1594	<	final SubtractAction r = new SubtractAction();
1595	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1593	>	final NoopConsumer[] rs = new NoopConsumer[4];
1594	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1595
1596	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1597	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1598		assertTrue(f.cancel(mayInterruptIfRunning));
1599	<	checkIncomplete(h);
1600	<	g.complete(v1);
1599	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1600	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1601
1602	<	checkCompletedWithWrappedCancellationException(h);
1602	>	checkCompletedWithWrappedCancellationException(h0);
1603	>	checkCompletedWithWrappedCancellationException(h1);
1604	>	checkCompletedWithWrappedCancellationException(h2);
1605	>	checkCompletedWithWrappedCancellationException(h3);
1606		checkCancelled(f);
1607	<	assertEquals(0, r.invocationCount);
1604	<	checkCompletedNormally(g, v1);
1607	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1608		}}
1609
1610	<	public void testThenAcceptBoth_sourceCancelled2() {
1610	>	/**
1611	>	* thenAccept result completes exceptionally if action does
1612	>	*/
1613	>	public void testThenAccept_actionFailed() {
1614		for (ExecutionMode m : ExecutionMode.values())
1609	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1615		for (Integer v1 : new Integer[] { 1, null })
1616		{
1617		final CompletableFuture<Integer> f = new CompletableFuture<>();
1618	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1619	<	final SubtractAction r = new SubtractAction();
1615	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1618	>	final FailingConsumer[] rs = new FailingConsumer[4];
1619	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1620
1621	<	assertTrue(g.cancel(mayInterruptIfRunning));
1622	<	checkIncomplete(h);
1623	<	f.complete(v1);
1621	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1622	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1623	>	assertTrue(f.complete(v1));
1624	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1625	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1626
1627	<	checkCompletedWithWrappedCancellationException(h);
1628	<	checkCancelled(g);
1629	<	assertEquals(0, r.invocationCount);
1627	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1628	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1629	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1630	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1631		checkCompletedNormally(f, v1);
1632		}}
1633
1634	<	public void testThenAcceptBoth_sourceCancelled3() {
1634	>	/**
1635	>	* thenCombine result completes normally after normal completion
1636	>	* of sources
1637	>	*/
1638	>	public void testThenCombine_normalCompletion() {
1639		for (ExecutionMode m : ExecutionMode.values())
1640	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1640	>	for (boolean fFirst : new boolean[] { true, false })
1641		for (Integer v1 : new Integer[] { 1, null })
1642	+	for (Integer v2 : new Integer[] { 2, null })
1643		{
1644		final CompletableFuture<Integer> f = new CompletableFuture<>();
1645		final CompletableFuture<Integer> g = new CompletableFuture<>();
1646	<	final SubtractAction r = new SubtractAction();
1646	>	final SubtractFunction[] rs = new SubtractFunction[6];
1647	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1648
1649	<	assertTrue(g.cancel(mayInterruptIfRunning));
1650	<	f.complete(v1);
1651	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1649	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1650	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1651	>	final Integer w1 =  fFirst ? v1 : v2;
1652	>	final Integer w2 = !fFirst ? v1 : v2;
1653	>
1654	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1655	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1656	>	assertTrue(fst.complete(w1));
1657	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1658	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1659	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1660	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1661	>	checkCompletedNormally(h1, subtract(w1, w1));
1662	>	checkCompletedNormally(h3, subtract(w1, w1));
1663	>	rs[1].assertValue(subtract(w1, w1));
1664	>	rs[3].assertValue(subtract(w1, w1));
1665	>	assertTrue(snd.complete(w2));
1666	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1667	>
1668	>	checkCompletedNormally(h0, subtract(v1, v2));
1669	>	checkCompletedNormally(h2, subtract(v1, v2));
1670	>	checkCompletedNormally(h4, subtract(v1, v2));
1671	>	rs[0].assertValue(subtract(v1, v2));
1672	>	rs[2].assertValue(subtract(v1, v2));
1673	>	rs[4].assertValue(subtract(v1, v2));
1674
1640	–	checkCompletedWithWrappedCancellationException(h);
1641	–	checkCancelled(g);
1642	–	assertEquals(0, r.invocationCount);
1675		checkCompletedNormally(f, v1);
1676	<	}}
1645	<
1646	<	public void testThenAcceptBoth_sourceCancelled4() {
1647	<	for (ExecutionMode m : ExecutionMode.values())
1648	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1649	<	for (Integer v1 : new Integer[] { 1, null })
1650	<	{
1651	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1652	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1653	<	final SubtractAction r = new SubtractAction();
1654	<
1655	<	assertTrue(f.cancel(mayInterruptIfRunning));
1656	<	g.complete(v1);
1657	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1658	<
1659	<	checkCompletedWithWrappedCancellationException(h);
1660	<	checkCancelled(f);
1661	<	assertEquals(0, r.invocationCount);
1662	<	checkCompletedNormally(g, v1);
1676	>	checkCompletedNormally(g, v2);
1677		}}
1678
1679		/**
1680	<	* runAfterBoth result completes normally after normal
1681	<	* completion of sources
1680	>	* thenCombine result completes exceptionally after exceptional
1681	>	* completion of either source
1682		*/
1683	<	public void testRunAfterBoth_normalCompletion1() {
1683	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1684		for (ExecutionMode m : ExecutionMode.values())
1685	+	for (boolean fFirst : new boolean[] { true, false })
1686	+	for (boolean failFirst : new boolean[] { true, false })
1687		for (Integer v1 : new Integer[] { 1, null })
1672	–	for (Integer v2 : new Integer[] { 2, null })
1688		{
1689		final CompletableFuture<Integer> f = new CompletableFuture<>();
1690		final CompletableFuture<Integer> g = new CompletableFuture<>();
1691	<	final Noop r = new Noop();
1692	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1693	<
1694	<	f.complete(v1);
1695	<	checkIncomplete(h);
1696	<	assertEquals(0, r.invocationCount);
1697	<	g.complete(v2);
1698	<
1699	<	checkCompletedNormally(h, null);
1700	<	assertEquals(1, r.invocationCount);
1701	<	checkCompletedNormally(f, v1);
1702	<	checkCompletedNormally(g, v2);
1691	>	final CFException ex = new CFException();
1692	>	final SubtractFunction r1 = new SubtractFunction(m);
1693	>	final SubtractFunction r2 = new SubtractFunction(m);
1694	>	final SubtractFunction r3 = new SubtractFunction(m);
1695	>
1696	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1697	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1698	>	final Callable<Boolean> complete1 = failFirst ?
1699	>	() -> fst.completeExceptionally(ex) :
1700	>	() -> fst.complete(v1);
1701	>	final Callable<Boolean> complete2 = failFirst ?
1702	>	() -> snd.complete(v1) :
1703	>	() -> snd.completeExceptionally(ex);
1704	>
1705	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1706	>	assertTrue(complete1.call());
1707	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1708	>	checkIncomplete(h1);
1709	>	checkIncomplete(h2);
1710	>	assertTrue(complete2.call());
1711	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1712	>
1713	>	checkCompletedWithWrappedException(h1, ex);
1714	>	checkCompletedWithWrappedException(h2, ex);
1715	>	checkCompletedWithWrappedException(h3, ex);
1716	>	r1.assertNotInvoked();
1717	>	r2.assertNotInvoked();
1718	>	r3.assertNotInvoked();
1719	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1720	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1721		}}
1722
1723	<	public void testRunAfterBoth_normalCompletion2() {
1723	>	/**
1724	>	* thenCombine result completes exceptionally if either source cancelled
1725	>	*/
1726	>	public void testThenCombine_sourceCancelled() throws Throwable {
1727		for (ExecutionMode m : ExecutionMode.values())
1728	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1729	+	for (boolean fFirst : new boolean[] { true, false })
1730	+	for (boolean failFirst : new boolean[] { true, false })
1731		for (Integer v1 : new Integer[] { 1, null })
1693	–	for (Integer v2 : new Integer[] { 2, null })
1732		{
1733		final CompletableFuture<Integer> f = new CompletableFuture<>();
1734		final CompletableFuture<Integer> g = new CompletableFuture<>();
1735	<	final Noop r = new Noop();
1736	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1737	<
1738	<	g.complete(v2);
1739	<	checkIncomplete(h);
1740	<	assertEquals(0, r.invocationCount);
1741	<	f.complete(v1);
1742	<
1743	<	checkCompletedNormally(h, null);
1744	<	assertEquals(1, r.invocationCount);
1745	<	checkCompletedNormally(f, v1);
1746	<	checkCompletedNormally(g, v2);
1735	>	final SubtractFunction r1 = new SubtractFunction(m);
1736	>	final SubtractFunction r2 = new SubtractFunction(m);
1737	>	final SubtractFunction r3 = new SubtractFunction(m);
1738	>
1739	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1740	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1741	>	final Callable<Boolean> complete1 = failFirst ?
1742	>	() -> fst.cancel(mayInterruptIfRunning) :
1743	>	() -> fst.complete(v1);
1744	>	final Callable<Boolean> complete2 = failFirst ?
1745	>	() -> snd.complete(v1) :
1746	>	() -> snd.cancel(mayInterruptIfRunning);
1747	>
1748	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1749	>	assertTrue(complete1.call());
1750	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1751	>	checkIncomplete(h1);
1752	>	checkIncomplete(h2);
1753	>	assertTrue(complete2.call());
1754	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1755	>
1756	>	checkCompletedWithWrappedCancellationException(h1);
1757	>	checkCompletedWithWrappedCancellationException(h2);
1758	>	checkCompletedWithWrappedCancellationException(h3);
1759	>	r1.assertNotInvoked();
1760	>	r2.assertNotInvoked();
1761	>	r3.assertNotInvoked();
1762	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1763	>	checkCancelled(failFirst ? fst : snd);
1764		}}
1765
1766	<	public void testRunAfterBoth_normalCompletion3() {
1766	>	/**
1767	>	* thenCombine result completes exceptionally if action does
1768	>	*/
1769	>	public void testThenCombine_actionFailed() {
1770		for (ExecutionMode m : ExecutionMode.values())
1771	+	for (boolean fFirst : new boolean[] { true, false })
1772		for (Integer v1 : new Integer[] { 1, null })
1773		for (Integer v2 : new Integer[] { 2, null })
1774		{
1775		final CompletableFuture<Integer> f = new CompletableFuture<>();
1776		final CompletableFuture<Integer> g = new CompletableFuture<>();
1777	<	final Noop r = new Noop();
1778	<
1779	<	g.complete(v2);
1780	<	f.complete(v1);
1781	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1782	<
1783	<	checkCompletedNormally(h, null);
1784	<	assertEquals(1, r.invocationCount);
1777	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1778	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1779	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1780	>
1781	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1782	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1783	>	final Integer w1 =  fFirst ? v1 : v2;
1784	>	final Integer w2 = !fFirst ? v1 : v2;
1785	>
1786	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1787	>	assertTrue(fst.complete(w1));
1788	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1789	>	assertTrue(snd.complete(w2));
1790	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1791	>
1792	>	checkCompletedWithWrappedException(h1, r1.ex);
1793	>	checkCompletedWithWrappedException(h2, r2.ex);
1794	>	checkCompletedWithWrappedException(h3, r3.ex);
1795	>	r1.assertInvoked();
1796	>	r2.assertInvoked();
1797	>	r3.assertInvoked();
1798		checkCompletedNormally(f, v1);
1799		checkCompletedNormally(g, v2);
1800		}}
1801
1802	<	public void testRunAfterBoth_normalCompletion4() {
1802	>	/**
1803	>	* thenAcceptBoth result completes normally after normal
1804	>	* completion of sources
1805	>	*/
1806	>	public void testThenAcceptBoth_normalCompletion() {
1807		for (ExecutionMode m : ExecutionMode.values())
1808	+	for (boolean fFirst : new boolean[] { true, false })
1809		for (Integer v1 : new Integer[] { 1, null })
1810		for (Integer v2 : new Integer[] { 2, null })
1811		{
1812		final CompletableFuture<Integer> f = new CompletableFuture<>();
1813		final CompletableFuture<Integer> g = new CompletableFuture<>();
1814	<	final Noop r = new Noop();
1815	<
1816	<	f.complete(v1);
1817	<	g.complete(v2);
1818	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1819	<
1820	<	checkCompletedNormally(h, null);
1821	<	assertEquals(1, r.invocationCount);
1814	>	final SubtractAction r1 = new SubtractAction(m);
1815	>	final SubtractAction r2 = new SubtractAction(m);
1816	>	final SubtractAction r3 = new SubtractAction(m);
1817	>
1818	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1819	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1820	>	final Integer w1 =  fFirst ? v1 : v2;
1821	>	final Integer w2 = !fFirst ? v1 : v2;
1822	>
1823	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1824	>	assertTrue(fst.complete(w1));
1825	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1826	>	checkIncomplete(h1);
1827	>	checkIncomplete(h2);
1828	>	r1.assertNotInvoked();
1829	>	r2.assertNotInvoked();
1830	>	assertTrue(snd.complete(w2));
1831	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1832	>
1833	>	checkCompletedNormally(h1, null);
1834	>	checkCompletedNormally(h2, null);
1835	>	checkCompletedNormally(h3, null);
1836	>	r1.assertValue(subtract(v1, v2));
1837	>	r2.assertValue(subtract(v1, v2));
1838	>	r3.assertValue(subtract(v1, v2));
1839		checkCompletedNormally(f, v1);
1840		checkCompletedNormally(g, v2);
1841		}}
1842
1843		/**
1844	<	* runAfterBoth result completes exceptionally after exceptional
1844	>	* thenAcceptBoth result completes exceptionally after exceptional
1845		* completion of either source
1846		*/
1847	<	public void testRunAfterBoth_exceptionalCompletion1() {
1754	<	for (ExecutionMode m : ExecutionMode.values())
1755	<	for (Integer v1 : new Integer[] { 1, null })
1756	<	{
1757	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1758	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1759	<	final Noop r = new Noop();
1760	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1761	<	final CFException ex = new CFException();
1762	<
1763	<	f.completeExceptionally(ex);
1764	<	checkIncomplete(h);
1765	<	g.complete(v1);
1766	<
1767	<	checkCompletedWithWrappedCFException(h, ex);
1768	<	checkCompletedWithWrappedCFException(f, ex);
1769	<	assertEquals(0, r.invocationCount);
1770	<	checkCompletedNormally(g, v1);
1771	<	}}
1772	<
1773	<	public void testRunAfterBoth_exceptionalCompletion2() {
1774	<	for (ExecutionMode m : ExecutionMode.values())
1775	<	for (Integer v1 : new Integer[] { 1, null })
1776	<	{
1777	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1778	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1779	<	final Noop r = new Noop();
1780	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1781	<	final CFException ex = new CFException();
1782	<
1783	<	g.completeExceptionally(ex);
1784	<	checkIncomplete(h);
1785	<	f.complete(v1);
1786	<
1787	<	checkCompletedWithWrappedCFException(h, ex);
1788	<	checkCompletedWithWrappedCFException(g, ex);
1789	<	assertEquals(0, r.invocationCount);
1790	<	checkCompletedNormally(f, v1);
1791	<	}}
1792	<
1793	<	public void testRunAfterBoth_exceptionalCompletion3() {
1847	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1848		for (ExecutionMode m : ExecutionMode.values())
1849	+	for (boolean fFirst : new boolean[] { true, false })
1850	+	for (boolean failFirst : new boolean[] { true, false })
1851		for (Integer v1 : new Integer[] { 1, null })
1852		{
1853		final CompletableFuture<Integer> f = new CompletableFuture<>();
1854		final CompletableFuture<Integer> g = new CompletableFuture<>();
1799	–	final Noop r = new Noop();
1855		final CFException ex = new CFException();
1856	<
1857	<	g.completeExceptionally(ex);
1858	<	f.complete(v1);
1859	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1860	<
1861	<	checkCompletedWithWrappedCFException(h, ex);
1862	<	checkCompletedWithWrappedCFException(g, ex);
1863	<	assertEquals(0, r.invocationCount);
1864	<	checkCompletedNormally(f, v1);
1856	>	final SubtractAction r1 = new SubtractAction(m);
1857	>	final SubtractAction r2 = new SubtractAction(m);
1858	>	final SubtractAction r3 = new SubtractAction(m);
1859	>
1860	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1861	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1862	>	final Callable<Boolean> complete1 = failFirst ?
1863	>	() -> fst.completeExceptionally(ex) :
1864	>	() -> fst.complete(v1);
1865	>	final Callable<Boolean> complete2 = failFirst ?
1866	>	() -> snd.complete(v1) :
1867	>	() -> snd.completeExceptionally(ex);
1868	>
1869	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1870	>	assertTrue(complete1.call());
1871	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1872	>	checkIncomplete(h1);
1873	>	checkIncomplete(h2);
1874	>	assertTrue(complete2.call());
1875	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1876	>
1877	>	checkCompletedWithWrappedException(h1, ex);
1878	>	checkCompletedWithWrappedException(h2, ex);
1879	>	checkCompletedWithWrappedException(h3, ex);
1880	>	r1.assertNotInvoked();
1881	>	r2.assertNotInvoked();
1882	>	r3.assertNotInvoked();
1883	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1884	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1885		}}
1886
1887	<	public void testRunAfterBoth_exceptionalCompletion4() {
1887	>	/**
1888	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1889	>	*/
1890	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1891		for (ExecutionMode m : ExecutionMode.values())
1892	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1893	+	for (boolean fFirst : new boolean[] { true, false })
1894	+	for (boolean failFirst : new boolean[] { true, false })
1895		for (Integer v1 : new Integer[] { 1, null })
1896		{
1897		final CompletableFuture<Integer> f = new CompletableFuture<>();
1898		final CompletableFuture<Integer> g = new CompletableFuture<>();
1899	<	final Noop r = new Noop();
1900	<	final CFException ex = new CFException();
1901	<
1902	<	f.completeExceptionally(ex);
1903	<	g.complete(v1);
1904	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1905	<
1906	<	checkCompletedWithWrappedCFException(h, ex);
1907	<	checkCompletedWithWrappedCFException(f, ex);
1908	<	assertEquals(0, r.invocationCount);
1909	<	checkCompletedNormally(g, v1);
1899	>	final SubtractAction r1 = new SubtractAction(m);
1900	>	final SubtractAction r2 = new SubtractAction(m);
1901	>	final SubtractAction r3 = new SubtractAction(m);
1902	>
1903	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1904	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1905	>	final Callable<Boolean> complete1 = failFirst ?
1906	>	() -> fst.cancel(mayInterruptIfRunning) :
1907	>	() -> fst.complete(v1);
1908	>	final Callable<Boolean> complete2 = failFirst ?
1909	>	() -> snd.complete(v1) :
1910	>	() -> snd.cancel(mayInterruptIfRunning);
1911	>
1912	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1913	>	assertTrue(complete1.call());
1914	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1915	>	checkIncomplete(h1);
1916	>	checkIncomplete(h2);
1917	>	assertTrue(complete2.call());
1918	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1919	>
1920	>	checkCompletedWithWrappedCancellationException(h1);
1921	>	checkCompletedWithWrappedCancellationException(h2);
1922	>	checkCompletedWithWrappedCancellationException(h3);
1923	>	r1.assertNotInvoked();
1924	>	r2.assertNotInvoked();
1925	>	r3.assertNotInvoked();
1926	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1927	>	checkCancelled(failFirst ? fst : snd);
1928		}}
1929
1930		/**
1931	<	* runAfterBoth result completes exceptionally if action does
1931	>	* thenAcceptBoth result completes exceptionally if action does
1932		*/
1933	<	public void testRunAfterBoth_actionFailed1() {
1933	>	public void testThenAcceptBoth_actionFailed() {
1934		for (ExecutionMode m : ExecutionMode.values())
1935	+	for (boolean fFirst : new boolean[] { true, false })
1936		for (Integer v1 : new Integer[] { 1, null })
1937		for (Integer v2 : new Integer[] { 2, null })
1938		{
1939		final CompletableFuture<Integer> f = new CompletableFuture<>();
1940		final CompletableFuture<Integer> g = new CompletableFuture<>();
1941	<	final FailingNoop r = new FailingNoop();
1942	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1943	<
1944	<	f.complete(v1);
1945	<	checkIncomplete(h);
1946	<	g.complete(v2);
1947	<
1948	<	checkCompletedWithWrappedCFException(h);
1941	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1942	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1943	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1944	>
1945	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1946	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1947	>	final Integer w1 =  fFirst ? v1 : v2;
1948	>	final Integer w2 = !fFirst ? v1 : v2;
1949	>
1950	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1951	>	assertTrue(fst.complete(w1));
1952	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1953	>	assertTrue(snd.complete(w2));
1954	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1955	>
1956	>	checkCompletedWithWrappedException(h1, r1.ex);
1957	>	checkCompletedWithWrappedException(h2, r2.ex);
1958	>	checkCompletedWithWrappedException(h3, r3.ex);
1959	>	r1.assertInvoked();
1960	>	r2.assertInvoked();
1961	>	r3.assertInvoked();
1962		checkCompletedNormally(f, v1);
1963		checkCompletedNormally(g, v2);
1964		}}
1965
1966	<	public void testRunAfterBoth_actionFailed2() {
1966	>	/**
1967	>	* runAfterBoth result completes normally after normal
1968	>	* completion of sources
1969	>	*/
1970	>	public void testRunAfterBoth_normalCompletion() {
1971		for (ExecutionMode m : ExecutionMode.values())
1972	+	for (boolean fFirst : new boolean[] { true, false })
1973		for (Integer v1 : new Integer[] { 1, null })
1974		for (Integer v2 : new Integer[] { 2, null })
1975		{
1976		final CompletableFuture<Integer> f = new CompletableFuture<>();
1977		final CompletableFuture<Integer> g = new CompletableFuture<>();
1978	<	final FailingNoop r = new FailingNoop();
1979	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1980	<
1981	<	g.complete(v2);
1982	<	checkIncomplete(h);
1983	<	f.complete(v1);
1984	<
1985	<	checkCompletedWithWrappedCFException(h);
1978	>	final Noop r1 = new Noop(m);
1979	>	final Noop r2 = new Noop(m);
1980	>	final Noop r3 = new Noop(m);
1981	>
1982	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1983	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1984	>	final Integer w1 =  fFirst ? v1 : v2;
1985	>	final Integer w2 = !fFirst ? v1 : v2;
1986	>
1987	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1988	>	assertTrue(fst.complete(w1));
1989	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1990	>	checkIncomplete(h1);
1991	>	checkIncomplete(h2);
1992	>	r1.assertNotInvoked();
1993	>	r2.assertNotInvoked();
1994	>	assertTrue(snd.complete(w2));
1995	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1996	>
1997	>	checkCompletedNormally(h1, null);
1998	>	checkCompletedNormally(h2, null);
1999	>	checkCompletedNormally(h3, null);
2000	>	r1.assertInvoked();
2001	>	r2.assertInvoked();
2002	>	r3.assertInvoked();
2003		checkCompletedNormally(f, v1);
2004		checkCompletedNormally(g, v2);
2005		}}
2006
2007		/**
2008	<	* runAfterBoth result completes exceptionally if either source cancelled
2008	>	* runAfterBoth result completes exceptionally after exceptional
2009	>	* completion of either source
2010		*/
2011	<	public void testRunAfterBoth_sourceCancelled1() {
2011	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2012		for (ExecutionMode m : ExecutionMode.values())
2013	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2013	>	for (boolean fFirst : new boolean[] { true, false })
2014	>	for (boolean failFirst : new boolean[] { true, false })
2015		for (Integer v1 : new Integer[] { 1, null })
2016		{
2017		final CompletableFuture<Integer> f = new CompletableFuture<>();
2018		final CompletableFuture<Integer> g = new CompletableFuture<>();
2019	<	final Noop r = new Noop();
2020	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2021	<
2022	<	assertTrue(f.cancel(mayInterruptIfRunning));
2023	<	checkIncomplete(h);
2024	<	g.complete(v1);
2025	<
2026	<	checkCompletedWithWrappedCancellationException(h);
2027	<	checkCancelled(f);
2028	<	assertEquals(0, r.invocationCount);
2029	<	checkCompletedNormally(g, v1);
2019	>	final CFException ex = new CFException();
2020	>	final Noop r1 = new Noop(m);
2021	>	final Noop r2 = new Noop(m);
2022	>	final Noop r3 = new Noop(m);
2023	>
2024	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2025	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2026	>	final Callable<Boolean> complete1 = failFirst ?
2027	>	() -> fst.completeExceptionally(ex) :
2028	>	() -> fst.complete(v1);
2029	>	final Callable<Boolean> complete2 = failFirst ?
2030	>	() -> snd.complete(v1) :
2031	>	() -> snd.completeExceptionally(ex);
2032	>
2033	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2034	>	assertTrue(complete1.call());
2035	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2036	>	checkIncomplete(h1);
2037	>	checkIncomplete(h2);
2038	>	assertTrue(complete2.call());
2039	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2040	>
2041	>	checkCompletedWithWrappedException(h1, ex);
2042	>	checkCompletedWithWrappedException(h2, ex);
2043	>	checkCompletedWithWrappedException(h3, ex);
2044	>	r1.assertNotInvoked();
2045	>	r2.assertNotInvoked();
2046	>	r3.assertNotInvoked();
2047	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2048	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2049		}}
2050
2051	<	public void testRunAfterBoth_sourceCancelled2() {
2051	>	/**
2052	>	* runAfterBoth result completes exceptionally if either source cancelled
2053	>	*/
2054	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2055		for (ExecutionMode m : ExecutionMode.values())
2056		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2057	+	for (boolean fFirst : new boolean[] { true, false })
2058	+	for (boolean failFirst : new boolean[] { true, false })
2059		for (Integer v1 : new Integer[] { 1, null })
2060		{
2061		final CompletableFuture<Integer> f = new CompletableFuture<>();
2062		final CompletableFuture<Integer> g = new CompletableFuture<>();
2063	<	final Noop r = new Noop();
2064	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2065	<
2066	<	assertTrue(g.cancel(mayInterruptIfRunning));
2067	<	checkIncomplete(h);
2068	<	f.complete(v1);
2069	<
2070	<	checkCompletedWithWrappedCancellationException(h);
2071	<	checkCancelled(g);
2072	<	assertEquals(0, r.invocationCount);
2073	<	checkCompletedNormally(f, v1);
2063	>	final Noop r1 = new Noop(m);
2064	>	final Noop r2 = new Noop(m);
2065	>	final Noop r3 = new Noop(m);
2066	>
2067	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2068	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2069	>	final Callable<Boolean> complete1 = failFirst ?
2070	>	() -> fst.cancel(mayInterruptIfRunning) :
2071	>	() -> fst.complete(v1);
2072	>	final Callable<Boolean> complete2 = failFirst ?
2073	>	() -> snd.complete(v1) :
2074	>	() -> snd.cancel(mayInterruptIfRunning);
2075	>
2076	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2077	>	assertTrue(complete1.call());
2078	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2079	>	checkIncomplete(h1);
2080	>	checkIncomplete(h2);
2081	>	assertTrue(complete2.call());
2082	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2083	>
2084	>	checkCompletedWithWrappedCancellationException(h1);
2085	>	checkCompletedWithWrappedCancellationException(h2);
2086	>	checkCompletedWithWrappedCancellationException(h3);
2087	>	r1.assertNotInvoked();
2088	>	r2.assertNotInvoked();
2089	>	r3.assertNotInvoked();
2090	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2091	>	checkCancelled(failFirst ? fst : snd);
2092		}}
2093
2094	<	public void testRunAfterBoth_sourceCancelled3() {
2094	>	/**
2095	>	* runAfterBoth result completes exceptionally if action does
2096	>	*/
2097	>	public void testRunAfterBoth_actionFailed() {
2098		for (ExecutionMode m : ExecutionMode.values())
2099	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2099	>	for (boolean fFirst : new boolean[] { true, false })
2100		for (Integer v1 : new Integer[] { 1, null })
2101	+	for (Integer v2 : new Integer[] { 2, null })
2102		{
2103		final CompletableFuture<Integer> f = new CompletableFuture<>();
2104		final CompletableFuture<Integer> g = new CompletableFuture<>();
2105	<	final Noop r = new Noop();
2106	<
2107	<	assertTrue(g.cancel(mayInterruptIfRunning));
2108	<	f.complete(v1);
2109	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2110	<
2111	<	checkCompletedWithWrappedCancellationException(h);
2112	<	checkCancelled(g);
2113	<	assertEquals(0, r.invocationCount);
2105	>	final FailingRunnable r1 = new FailingRunnable(m);
2106	>	final FailingRunnable r2 = new FailingRunnable(m);
2107	>	final FailingRunnable r3 = new FailingRunnable(m);
2108	>
2109	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2110	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2111	>	final Integer w1 =  fFirst ? v1 : v2;
2112	>	final Integer w2 = !fFirst ? v1 : v2;
2113	>
2114	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2115	>	assertTrue(fst.complete(w1));
2116	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2117	>	assertTrue(snd.complete(w2));
2118	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2119	>
2120	>	checkCompletedWithWrappedException(h1, r1.ex);
2121	>	checkCompletedWithWrappedException(h2, r2.ex);
2122	>	checkCompletedWithWrappedException(h3, r3.ex);
2123	>	r1.assertInvoked();
2124	>	r2.assertInvoked();
2125	>	r3.assertInvoked();
2126		checkCompletedNormally(f, v1);
2127	<	}}
1933	<
1934	<	public void testRunAfterBoth_sourceCancelled4() {
1935	<	for (ExecutionMode m : ExecutionMode.values())
1936	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1937	<	for (Integer v1 : new Integer[] { 1, null })
1938	<	{
1939	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1940	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1941	<	final Noop r = new Noop();
1942	<
1943	<	assertTrue(f.cancel(mayInterruptIfRunning));
1944	<	g.complete(v1);
1945	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1946	<
1947	<	checkCompletedWithWrappedCancellationException(h);
1948	<	checkCancelled(f);
1949	<	assertEquals(0, r.invocationCount);
1950	<	checkCompletedNormally(g, v1);
2127	>	checkCompletedNormally(g, v2);
2128		}}
2129
2130		/**
2131		* applyToEither result completes normally after normal completion
2132		* of either source
2133		*/
2134	<	public void testApplyToEither_normalCompletion1() {
2134	>	public void testApplyToEither_normalCompletion() {
2135		for (ExecutionMode m : ExecutionMode.values())
2136		for (Integer v1 : new Integer[] { 1, null })
2137		for (Integer v2 : new Integer[] { 2, null })
2138		{
2139		final CompletableFuture<Integer> f = new CompletableFuture<>();
2140		final CompletableFuture<Integer> g = new CompletableFuture<>();
2141	<	final IncFunction r = new IncFunction();
2142	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2141	>	final IncFunction[] rs = new IncFunction[6];
2142	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2143
2144	<	f.complete(v1);
2145	<	checkCompletedNormally(h, inc(v1));
2144	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2145	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2146	>	checkIncomplete(h0);
2147	>	checkIncomplete(h1);
2148	>	rs[0].assertNotInvoked();
2149	>	rs[1].assertNotInvoked();
2150	>	f.complete(v1);
2151	>	checkCompletedNormally(h0, inc(v1));
2152	>	checkCompletedNormally(h1, inc(v1));
2153	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2154	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2155	>	checkCompletedNormally(h2, inc(v1));
2156	>	checkCompletedNormally(h3, inc(v1));
2157		g.complete(v2);
2158
2159	<	checkCompletedNormally(f, v1);
2160	<	checkCompletedNormally(g, v2);
2161	<	checkCompletedNormally(h, inc(v1));
2162	<	}}
2163	<
2164	<	public void testApplyToEither_normalCompletion2() {
2165	<	for (ExecutionMode m : ExecutionMode.values())
2166	<	for (Integer v1 : new Integer[] { 1, null })
2167	<	for (Integer v2 : new Integer[] { 2, null })
1980	<	{
1981	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1982	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1983	<	final IncFunction r = new IncFunction();
1984	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1985	<
1986	<	g.complete(v2);
1987	<	checkCompletedNormally(h, inc(v2));
1988	<	f.complete(v1);
2159	>	// unspecified behavior - both source completions available
2160	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2161	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2162	>	rs[4].assertValue(h4.join());
2163	>	rs[5].assertValue(h5.join());
2164	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2165	>	Objects.equals(inc(v2), h4.join()));
2166	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2167	>	Objects.equals(inc(v2), h5.join()));
2168
2169		checkCompletedNormally(f, v1);
2170		checkCompletedNormally(g, v2);
2171	<	checkCompletedNormally(h, inc(v2));
2172	<	}}
2173	<
2174	<	public void testApplyToEither_normalCompletion3() {
2175	<	for (ExecutionMode m : ExecutionMode.values())
1997	<	for (Integer v1 : new Integer[] { 1, null })
1998	<	for (Integer v2 : new Integer[] { 2, null })
1999	<	{
2000	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2001	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2002	<	final IncFunction r = new IncFunction();
2003	<
2004	<	f.complete(v1);
2005	<	g.complete(v2);
2006	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2007	<
2008	<	checkCompletedNormally(f, v1);
2009	<	checkCompletedNormally(g, v2);
2010	<
2011	<	// unspecified behavior
2012	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2013	<	Objects.equals(h.join(), inc(v2)));
2014	<	assertEquals(1, r.invocationCount);
2171	>	checkCompletedNormally(h0, inc(v1));
2172	>	checkCompletedNormally(h1, inc(v1));
2173	>	checkCompletedNormally(h2, inc(v1));
2174	>	checkCompletedNormally(h3, inc(v1));
2175	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2176		}}
2177
2178		/**
2179		* applyToEither result completes exceptionally after exceptional
2180		* completion of either source
2181		*/
2182	<	public void testApplyToEither_exceptionalCompletion1() {
2182	>	public void testApplyToEither_exceptionalCompletion() {
2183		for (ExecutionMode m : ExecutionMode.values())
2184		for (Integer v1 : new Integer[] { 1, null })
2185		{
2186		final CompletableFuture<Integer> f = new CompletableFuture<>();
2187		final CompletableFuture<Integer> g = new CompletableFuture<>();
2027	–	final IncFunction r = new IncFunction();
2028	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2188		final CFException ex = new CFException();
2189	+	final IncFunction[] rs = new IncFunction[6];
2190	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2191
2192	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2193	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2194	+	checkIncomplete(h0);
2195	+	checkIncomplete(h1);
2196	+	rs[0].assertNotInvoked();
2197	+	rs[1].assertNotInvoked();
2198		f.completeExceptionally(ex);
2199	<	checkCompletedWithWrappedCFException(h, ex);
2199	>	checkCompletedWithWrappedException(h0, ex);
2200	>	checkCompletedWithWrappedException(h1, ex);
2201	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2202	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2203	>	checkCompletedWithWrappedException(h2, ex);
2204	>	checkCompletedWithWrappedException(h3, ex);
2205		g.complete(v1);
2206
2207	<	assertEquals(0, r.invocationCount);
2207	>	// unspecified behavior - both source completions available
2208	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2209	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2210	>	try {
2211	>	assertEquals(inc(v1), h4.join());
2212	>	rs[4].assertValue(inc(v1));
2213	>	} catch (CompletionException ok) {
2214	>	checkCompletedWithWrappedException(h4, ex);
2215	>	rs[4].assertNotInvoked();
2216	>	}
2217	>	try {
2218	>	assertEquals(inc(v1), h5.join());
2219	>	rs[5].assertValue(inc(v1));
2220	>	} catch (CompletionException ok) {
2221	>	checkCompletedWithWrappedException(h5, ex);
2222	>	rs[5].assertNotInvoked();
2223	>	}
2224	>
2225	>	checkCompletedExceptionally(f, ex);
2226		checkCompletedNormally(g, v1);
2227	<	checkCompletedWithWrappedCFException(f, ex);
2228	<	checkCompletedWithWrappedCFException(h, ex);
2227	>	checkCompletedWithWrappedException(h0, ex);
2228	>	checkCompletedWithWrappedException(h1, ex);
2229	>	checkCompletedWithWrappedException(h2, ex);
2230	>	checkCompletedWithWrappedException(h3, ex);
2231	>	checkCompletedWithWrappedException(h4, ex);
2232	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2233		}}
2234
2235		public void testApplyToEither_exceptionalCompletion2() {
2236		for (ExecutionMode m : ExecutionMode.values())
2237	+	for (boolean fFirst : new boolean[] { true, false })
2238		for (Integer v1 : new Integer[] { 1, null })
2239		{
2240		final CompletableFuture<Integer> f = new CompletableFuture<>();
2241		final CompletableFuture<Integer> g = new CompletableFuture<>();
2047	–	final IncFunction r = new IncFunction();
2048	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2049	–	final CFException ex = new CFException();
2050	–
2051	–	g.completeExceptionally(ex);
2052	–	checkCompletedWithWrappedCFException(h, ex);
2053	–	f.complete(v1);
2054	–
2055	–	assertEquals(0, r.invocationCount);
2056	–	checkCompletedNormally(f, v1);
2057	–	checkCompletedWithWrappedCFException(g, ex);
2058	–	checkCompletedWithWrappedCFException(h, ex);
2059	–	}}
2060	–
2061	–	public void testApplyToEither_exceptionalCompletion3() {
2062	–	for (ExecutionMode m : ExecutionMode.values())
2063	–	for (Integer v1 : new Integer[] { 1, null })
2064	–	{
2065	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2066	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2067	–	final IncFunction r = new IncFunction();
2242		final CFException ex = new CFException();
2243	+	final IncFunction[] rs = new IncFunction[6];
2244	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2245
2246	<	g.completeExceptionally(ex);
2247	<	f.complete(v1);
2248	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2246	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2247	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2248	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2249	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2250	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2251	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2252
2253	<	// unspecified behavior
2075	<	Integer v;
2253	>	// unspecified behavior - both source completions available
2254		try {
2255	<	assertEquals(inc(v1), h.join());
2256	<	assertEquals(1, r.invocationCount);
2255	>	assertEquals(inc(v1), h0.join());
2256	>	rs[0].assertValue(inc(v1));
2257		} catch (CompletionException ok) {
2258	<	checkCompletedWithWrappedCFException(h, ex);
2259	<	assertEquals(0, r.invocationCount);
2258	>	checkCompletedWithWrappedException(h0, ex);
2259	>	rs[0].assertNotInvoked();
2260		}
2083	–
2084	–	checkCompletedWithWrappedCFException(g, ex);
2085	–	checkCompletedNormally(f, v1);
2086	–	}}
2087	–
2088	–	public void testApplyToEither_exceptionalCompletion4() {
2089	–	for (ExecutionMode m : ExecutionMode.values())
2090	–	for (Integer v1 : new Integer[] { 1, null })
2091	–	{
2092	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2093	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2094	–	final IncFunction r = new IncFunction();
2095	–	final CFException ex = new CFException();
2096	–
2097	–	f.completeExceptionally(ex);
2098	–	g.complete(v1);
2099	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2100	–
2101	–	// unspecified behavior
2102	–	Integer v;
2261		try {
2262	<	assertEquals(inc(v1), h.join());
2263	<	assertEquals(1, r.invocationCount);
2262	>	assertEquals(inc(v1), h1.join());
2263	>	rs[1].assertValue(inc(v1));
2264		} catch (CompletionException ok) {
2265	<	checkCompletedWithWrappedCFException(h, ex);
2266	<	assertEquals(0, r.invocationCount);
2265	>	checkCompletedWithWrappedException(h1, ex);
2266	>	rs[1].assertNotInvoked();
2267	>	}
2268	>	try {
2269	>	assertEquals(inc(v1), h2.join());
2270	>	rs[2].assertValue(inc(v1));
2271	>	} catch (CompletionException ok) {
2272	>	checkCompletedWithWrappedException(h2, ex);
2273	>	rs[2].assertNotInvoked();
2274	>	}
2275	>	try {
2276	>	assertEquals(inc(v1), h3.join());
2277	>	rs[3].assertValue(inc(v1));
2278	>	} catch (CompletionException ok) {
2279	>	checkCompletedWithWrappedException(h3, ex);
2280	>	rs[3].assertNotInvoked();
2281		}
2282
2111	–	checkCompletedWithWrappedCFException(f, ex);
2112	–	checkCompletedNormally(g, v1);
2113	–	}}
2114	–
2115	–	/**
2116	–	* applyToEither result completes exceptionally if action does
2117	–	*/
2118	–	public void testApplyToEither_actionFailed1() {
2119	–	for (ExecutionMode m : ExecutionMode.values())
2120	–	for (Integer v1 : new Integer[] { 1, null })
2121	–	for (Integer v2 : new Integer[] { 2, null })
2122	–	{
2123	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2124	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2125	–	final FailingFunction r = new FailingFunction();
2126	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2127	–
2128	–	f.complete(v1);
2129	–	checkCompletedWithWrappedCFException(h);
2130	–	g.complete(v2);
2131	–	checkCompletedNormally(f, v1);
2132	–	checkCompletedNormally(g, v2);
2133	–	}}
2134	–
2135	–	public void testApplyToEither_actionFailed2() {
2136	–	for (ExecutionMode m : ExecutionMode.values())
2137	–	for (Integer v1 : new Integer[] { 1, null })
2138	–	for (Integer v2 : new Integer[] { 2, null })
2139	–	{
2140	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2141	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2142	–	final FailingFunction r = new FailingFunction();
2143	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2144	–
2145	–	g.complete(v2);
2146	–	checkCompletedWithWrappedCFException(h);
2147	–	f.complete(v1);
2283		checkCompletedNormally(f, v1);
2284	<	checkCompletedNormally(g, v2);
2284	>	checkCompletedExceptionally(g, ex);
2285		}}
2286
2287		/**
2288		* applyToEither result completes exceptionally if either source cancelled
2289		*/
2290	<	public void testApplyToEither_sourceCancelled1() {
2290	>	public void testApplyToEither_sourceCancelled() {
2291		for (ExecutionMode m : ExecutionMode.values())
2292		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2293		for (Integer v1 : new Integer[] { 1, null })
2294		{
2295		final CompletableFuture<Integer> f = new CompletableFuture<>();
2296		final CompletableFuture<Integer> g = new CompletableFuture<>();
2297	<	final IncFunction r = new IncFunction();
2298	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2297	>	final IncFunction[] rs = new IncFunction[6];
2298	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2299
2300	<	assertTrue(f.cancel(mayInterruptIfRunning));
2301	<	checkCompletedWithWrappedCancellationException(h);
2300	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2301	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2302	>	checkIncomplete(h0);
2303	>	checkIncomplete(h1);
2304	>	rs[0].assertNotInvoked();
2305	>	rs[1].assertNotInvoked();
2306	>	f.cancel(mayInterruptIfRunning);
2307	>	checkCompletedWithWrappedCancellationException(h0);
2308	>	checkCompletedWithWrappedCancellationException(h1);
2309	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2310	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2311	>	checkCompletedWithWrappedCancellationException(h2);
2312	>	checkCompletedWithWrappedCancellationException(h3);
2313		g.complete(v1);
2314
2315	+	// unspecified behavior - both source completions available
2316	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2317	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2318	+	try {
2319	+	assertEquals(inc(v1), h4.join());
2320	+	rs[4].assertValue(inc(v1));
2321	+	} catch (CompletionException ok) {
2322	+	checkCompletedWithWrappedCancellationException(h4);
2323	+	rs[4].assertNotInvoked();
2324	+	}
2325	+	try {
2326	+	assertEquals(inc(v1), h5.join());
2327	+	rs[5].assertValue(inc(v1));
2328	+	} catch (CompletionException ok) {
2329	+	checkCompletedWithWrappedCancellationException(h5);
2330	+	rs[5].assertNotInvoked();
2331	+	}
2332	+
2333		checkCancelled(f);
2170	–	assertEquals(0, r.invocationCount);
2334		checkCompletedNormally(g, v1);
2335	<	checkCompletedWithWrappedCancellationException(h);
2335	>	checkCompletedWithWrappedCancellationException(h0);
2336	>	checkCompletedWithWrappedCancellationException(h1);
2337	>	checkCompletedWithWrappedCancellationException(h2);
2338	>	checkCompletedWithWrappedCancellationException(h3);
2339	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2340		}}
2341
2342		public void testApplyToEither_sourceCancelled2() {
2343		for (ExecutionMode m : ExecutionMode.values())
2344		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2345	+	for (boolean fFirst : new boolean[] { true, false })
2346		for (Integer v1 : new Integer[] { 1, null })
2347		{
2348		final CompletableFuture<Integer> f = new CompletableFuture<>();
2349		final CompletableFuture<Integer> g = new CompletableFuture<>();
2350	<	final IncFunction r = new IncFunction();
2351	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2184	<
2185	<	assertTrue(g.cancel(mayInterruptIfRunning));
2186	<	checkCompletedWithWrappedCancellationException(h);
2187	<	f.complete(v1);
2188	<
2189	<	checkCancelled(g);
2190	<	assertEquals(0, r.invocationCount);
2191	<	checkCompletedNormally(f, v1);
2192	<	checkCompletedWithWrappedCancellationException(h);
2193	<	}}
2194	<
2195	<	public void testApplyToEither_sourceCancelled3() {
2196	<	for (ExecutionMode m : ExecutionMode.values())
2197	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2198	<	for (Integer v1 : new Integer[] { 1, null })
2199	<	{
2200	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2201	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2202	<	final IncFunction r = new IncFunction();
2350	>	final IncFunction[] rs = new IncFunction[6];
2351	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2352
2353	<	assertTrue(g.cancel(mayInterruptIfRunning));
2354	<	f.complete(v1);
2355	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2353	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2354	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2355	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2356	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2357	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2358	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2359
2360	<	// unspecified behavior
2209	<	Integer v;
2360	>	// unspecified behavior - both source completions available
2361		try {
2362	<	assertEquals(inc(v1), h.join());
2363	<	assertEquals(1, r.invocationCount);
2362	>	assertEquals(inc(v1), h0.join());
2363	>	rs[0].assertValue(inc(v1));
2364		} catch (CompletionException ok) {
2365	<	checkCompletedWithWrappedCancellationException(h);
2366	<	assertEquals(0, r.invocationCount);
2365	>	checkCompletedWithWrappedCancellationException(h0);
2366	>	rs[0].assertNotInvoked();
2367	>	}
2368	>	try {
2369	>	assertEquals(inc(v1), h1.join());
2370	>	rs[1].assertValue(inc(v1));
2371	>	} catch (CompletionException ok) {
2372	>	checkCompletedWithWrappedCancellationException(h1);
2373	>	rs[1].assertNotInvoked();
2374		}
2217	–
2218	–	checkCancelled(g);
2219	–	checkCompletedNormally(f, v1);
2220	–	}}
2221	–
2222	–	public void testApplyToEither_sourceCancelled4() {
2223	–	for (ExecutionMode m : ExecutionMode.values())
2224	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2225	–	for (Integer v1 : new Integer[] { 1, null })
2226	–	{
2227	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2228	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2229	–	final IncFunction r = new IncFunction();
2230	–
2231	–	assertTrue(f.cancel(mayInterruptIfRunning));
2232	–	g.complete(v1);
2233	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2234	–
2235	–	// unspecified behavior
2236	–	Integer v;
2375		try {
2376	<	assertEquals(inc(v1), h.join());
2377	<	assertEquals(1, r.invocationCount);
2376	>	assertEquals(inc(v1), h2.join());
2377	>	rs[2].assertValue(inc(v1));
2378		} catch (CompletionException ok) {
2379	<	checkCompletedWithWrappedCancellationException(h);
2380	<	assertEquals(0, r.invocationCount);
2379	>	checkCompletedWithWrappedCancellationException(h2);
2380	>	rs[2].assertNotInvoked();
2381	>	}
2382	>	try {
2383	>	assertEquals(inc(v1), h3.join());
2384	>	rs[3].assertValue(inc(v1));
2385	>	} catch (CompletionException ok) {
2386	>	checkCompletedWithWrappedCancellationException(h3);
2387	>	rs[3].assertNotInvoked();
2388		}
2389
2390	<	checkCancelled(f);
2391	<	checkCompletedNormally(g, v1);
2390	>	checkCompletedNormally(f, v1);
2391	>	checkCancelled(g);
2392		}}
2393
2394		/**
2395	<	* acceptEither result completes normally after normal completion
2251	<	* of either source
2395	>	* applyToEither result completes exceptionally if action does
2396		*/
2397	<	public void testAcceptEither_normalCompletion1() {
2397	>	public void testApplyToEither_actionFailed() {
2398		for (ExecutionMode m : ExecutionMode.values())
2399		for (Integer v1 : new Integer[] { 1, null })
2400		for (Integer v2 : new Integer[] { 2, null })
2401		{
2402		final CompletableFuture<Integer> f = new CompletableFuture<>();
2403		final CompletableFuture<Integer> g = new CompletableFuture<>();
2404	<	final IncAction r = new IncAction();
2405	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2404	>	final FailingFunction[] rs = new FailingFunction[6];
2405	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2406
2407	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2408	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2409		f.complete(v1);
2410	<	checkCompletedNormally(h, null);
2411	<	assertEquals(inc(v1), r.value);
2412	<	g.complete(v2);
2413	<
2414	<	checkCompletedNormally(f, v1);
2415	<	checkCompletedNormally(g, v2);
2416	<	checkCompletedNormally(h, null);
2271	<	}}
2272	<
2273	<	public void testAcceptEither_normalCompletion2() {
2274	<	for (ExecutionMode m : ExecutionMode.values())
2275	<	for (Integer v1 : new Integer[] { 1, null })
2276	<	for (Integer v2 : new Integer[] { 2, null })
2277	<	{
2278	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2279	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2280	<	final IncAction r = new IncAction();
2281	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2410	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2411	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2412	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2413	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2414	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2415	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2416	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2417
2418		g.complete(v2);
2419	<	checkCompletedNormally(h, null);
2420	<	assertEquals(inc(v2), r.value);
2421	<	f.complete(v1);
2419	>
2420	>	// unspecified behavior - both source completions available
2421	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2422	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2423	>
2424	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2425	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2426	>	Objects.equals(v2, rs[4].value));
2427	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2428	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2429	>	Objects.equals(v2, rs[5].value));
2430
2431		checkCompletedNormally(f, v1);
2432		checkCompletedNormally(g, v2);
2290	–	checkCompletedNormally(h, null);
2433		}}
2434
2435	<	public void testAcceptEither_normalCompletion3() {
2435	>	/**
2436	>	* acceptEither result completes normally after normal completion
2437	>	* of either source
2438	>	*/
2439	>	public void testAcceptEither_normalCompletion() {
2440		for (ExecutionMode m : ExecutionMode.values())
2441		for (Integer v1 : new Integer[] { 1, null })
2442		for (Integer v2 : new Integer[] { 2, null })
2443		{
2444		final CompletableFuture<Integer> f = new CompletableFuture<>();
2445		final CompletableFuture<Integer> g = new CompletableFuture<>();
2446	<	final IncAction r = new IncAction();
2446	>	final NoopConsumer[] rs = new NoopConsumer[6];
2447	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2448
2449	<	f.complete(v1);
2449	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2450	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2451	>	checkIncomplete(h0);
2452	>	checkIncomplete(h1);
2453	>	rs[0].assertNotInvoked();
2454	>	rs[1].assertNotInvoked();
2455	>	f.complete(v1);
2456	>	checkCompletedNormally(h0, null);
2457	>	checkCompletedNormally(h1, null);
2458	>	rs[0].assertValue(v1);
2459	>	rs[1].assertValue(v1);
2460	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2461	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2462	>	checkCompletedNormally(h2, null);
2463	>	checkCompletedNormally(h3, null);
2464	>	rs[2].assertValue(v1);
2465	>	rs[3].assertValue(v1);
2466		g.complete(v2);
2304	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2467
2468	<	checkCompletedNormally(h, null);
2468	>	// unspecified behavior - both source completions available
2469	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2470	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2471	>	checkCompletedNormally(h4, null);
2472	>	checkCompletedNormally(h5, null);
2473	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2474	>	Objects.equals(v2, rs[4].value));
2475	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2476	>	Objects.equals(v2, rs[5].value));
2477	>
2478		checkCompletedNormally(f, v1);
2479		checkCompletedNormally(g, v2);
2480	<
2481	<	// unspecified behavior
2482	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2483	<	Objects.equals(r.value, inc(v2)));
2480	>	checkCompletedNormally(h0, null);
2481	>	checkCompletedNormally(h1, null);
2482	>	checkCompletedNormally(h2, null);
2483	>	checkCompletedNormally(h3, null);
2484	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2485		}}
2486
2487		/**
2488		* acceptEither result completes exceptionally after exceptional
2489		* completion of either source
2490		*/
2491	<	public void testAcceptEither_exceptionalCompletion1() {
2491	>	public void testAcceptEither_exceptionalCompletion() {
2492		for (ExecutionMode m : ExecutionMode.values())
2493		for (Integer v1 : new Integer[] { 1, null })
2494		{
2495		final CompletableFuture<Integer> f = new CompletableFuture<>();
2496		final CompletableFuture<Integer> g = new CompletableFuture<>();
2325	–	final IncAction r = new IncAction();
2326	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2497		final CFException ex = new CFException();
2498	+	final NoopConsumer[] rs = new NoopConsumer[6];
2499	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2500
2501	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2502	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2503	+	checkIncomplete(h0);
2504	+	checkIncomplete(h1);
2505	+	rs[0].assertNotInvoked();
2506	+	rs[1].assertNotInvoked();
2507		f.completeExceptionally(ex);
2508	<	checkCompletedWithWrappedCFException(h, ex);
2508	>	checkCompletedWithWrappedException(h0, ex);
2509	>	checkCompletedWithWrappedException(h1, ex);
2510	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2511	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2512	>	checkCompletedWithWrappedException(h2, ex);
2513	>	checkCompletedWithWrappedException(h3, ex);
2514	>
2515		g.complete(v1);
2516
2517	<	assertEquals(0, r.invocationCount);
2517	>	// unspecified behavior - both source completions available
2518	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2519	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2520	>	try {
2521	>	assertNull(h4.join());
2522	>	rs[4].assertValue(v1);
2523	>	} catch (CompletionException ok) {
2524	>	checkCompletedWithWrappedException(h4, ex);
2525	>	rs[4].assertNotInvoked();
2526	>	}
2527	>	try {
2528	>	assertNull(h5.join());
2529	>	rs[5].assertValue(v1);
2530	>	} catch (CompletionException ok) {
2531	>	checkCompletedWithWrappedException(h5, ex);
2532	>	rs[5].assertNotInvoked();
2533	>	}
2534	>
2535	>	checkCompletedExceptionally(f, ex);
2536		checkCompletedNormally(g, v1);
2537	<	checkCompletedWithWrappedCFException(f, ex);
2538	<	checkCompletedWithWrappedCFException(h, ex);
2537	>	checkCompletedWithWrappedException(h0, ex);
2538	>	checkCompletedWithWrappedException(h1, ex);
2539	>	checkCompletedWithWrappedException(h2, ex);
2540	>	checkCompletedWithWrappedException(h3, ex);
2541	>	checkCompletedWithWrappedException(h4, ex);
2542	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2543		}}
2544
2545		public void testAcceptEither_exceptionalCompletion2() {
2546		for (ExecutionMode m : ExecutionMode.values())
2547	+	for (boolean fFirst : new boolean[] { true, false })
2548		for (Integer v1 : new Integer[] { 1, null })
2549		{
2550		final CompletableFuture<Integer> f = new CompletableFuture<>();
2551		final CompletableFuture<Integer> g = new CompletableFuture<>();
2345	–	final IncAction r = new IncAction();
2346	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2347	–	final CFException ex = new CFException();
2348	–
2349	–	g.completeExceptionally(ex);
2350	–	checkCompletedWithWrappedCFException(h, ex);
2351	–	f.complete(v1);
2352	–
2353	–	assertEquals(0, r.invocationCount);
2354	–	checkCompletedNormally(f, v1);
2355	–	checkCompletedWithWrappedCFException(g, ex);
2356	–	checkCompletedWithWrappedCFException(h, ex);
2357	–	}}
2358	–
2359	–	public void testAcceptEither_exceptionalCompletion3() {
2360	–	for (ExecutionMode m : ExecutionMode.values())
2361	–	for (Integer v1 : new Integer[] { 1, null })
2362	–	{
2363	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2364	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2365	–	final IncAction r = new IncAction();
2552		final CFException ex = new CFException();
2553	+	final NoopConsumer[] rs = new NoopConsumer[6];
2554	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2555
2556	<	g.completeExceptionally(ex);
2557	<	f.complete(v1);
2558	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2556	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2557	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2558	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2559	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2560	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2561	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2562
2563	<	// unspecified behavior
2373	<	Integer v;
2563	>	// unspecified behavior - both source completions available
2564		try {
2565	<	assertNull(h.join());
2566	<	assertEquals(1, r.invocationCount);
2377	<	assertEquals(inc(v1), r.value);
2565	>	assertEquals(null, h0.join());
2566	>	rs[0].assertValue(v1);
2567		} catch (CompletionException ok) {
2568	<	checkCompletedWithWrappedCFException(h, ex);
2569	<	assertEquals(0, r.invocationCount);
2568	>	checkCompletedWithWrappedException(h0, ex);
2569	>	rs[0].assertNotInvoked();
2570		}
2382	–
2383	–	checkCompletedWithWrappedCFException(g, ex);
2384	–	checkCompletedNormally(f, v1);
2385	–	}}
2386	–
2387	–	public void testAcceptEither_exceptionalCompletion4() {
2388	–	for (ExecutionMode m : ExecutionMode.values())
2389	–	for (Integer v1 : new Integer[] { 1, null })
2390	–	{
2391	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2392	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2393	–	final IncAction r = new IncAction();
2394	–	final CFException ex = new CFException();
2395	–
2396	–	f.completeExceptionally(ex);
2397	–	g.complete(v1);
2398	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2399	–
2400	–	// unspecified behavior
2401	–	Integer v;
2571		try {
2572	<	assertNull(h.join());
2573	<	assertEquals(1, r.invocationCount);
2405	<	assertEquals(inc(v1), r.value);
2572	>	assertEquals(null, h1.join());
2573	>	rs[1].assertValue(v1);
2574		} catch (CompletionException ok) {
2575	<	checkCompletedWithWrappedCFException(h, ex);
2576	<	assertEquals(0, r.invocationCount);
2575	>	checkCompletedWithWrappedException(h1, ex);
2576	>	rs[1].assertNotInvoked();
2577	>	}
2578	>	try {
2579	>	assertEquals(null, h2.join());
2580	>	rs[2].assertValue(v1);
2581	>	} catch (CompletionException ok) {
2582	>	checkCompletedWithWrappedException(h2, ex);
2583	>	rs[2].assertNotInvoked();
2584	>	}
2585	>	try {
2586	>	assertEquals(null, h3.join());
2587	>	rs[3].assertValue(v1);
2588	>	} catch (CompletionException ok) {
2589	>	checkCompletedWithWrappedException(h3, ex);
2590	>	rs[3].assertNotInvoked();
2591		}
2592
2411	–	checkCompletedWithWrappedCFException(f, ex);
2412	–	checkCompletedNormally(g, v1);
2413	–	}}
2414	–
2415	–	/**
2416	–	* acceptEither result completes exceptionally if action does
2417	–	*/
2418	–	public void testAcceptEither_actionFailed1() {
2419	–	for (ExecutionMode m : ExecutionMode.values())
2420	–	for (Integer v1 : new Integer[] { 1, null })
2421	–	for (Integer v2 : new Integer[] { 2, null })
2422	–	{
2423	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2424	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2425	–	final FailingConsumer r = new FailingConsumer();
2426	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2427	–
2428	–	f.complete(v1);
2429	–	checkCompletedWithWrappedCFException(h);
2430	–	g.complete(v2);
2431	–	checkCompletedNormally(f, v1);
2432	–	checkCompletedNormally(g, v2);
2433	–	}}
2434	–
2435	–	public void testAcceptEither_actionFailed2() {
2436	–	for (ExecutionMode m : ExecutionMode.values())
2437	–	for (Integer v1 : new Integer[] { 1, null })
2438	–	for (Integer v2 : new Integer[] { 2, null })
2439	–	{
2440	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2441	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2442	–	final FailingConsumer r = new FailingConsumer();
2443	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2444	–
2445	–	g.complete(v2);
2446	–	checkCompletedWithWrappedCFException(h);
2447	–	f.complete(v1);
2593		checkCompletedNormally(f, v1);
2594	<	checkCompletedNormally(g, v2);
2594	>	checkCompletedExceptionally(g, ex);
2595		}}
2596
2597		/**
2598		* acceptEither result completes exceptionally if either source cancelled
2599		*/
2600	<	public void testAcceptEither_sourceCancelled1() {
2456	<	for (ExecutionMode m : ExecutionMode.values())
2457	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2458	<	for (Integer v1 : new Integer[] { 1, null })
2459	<	{
2460	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2461	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2462	<	final IncAction r = new IncAction();
2463	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2464	<
2465	<	assertTrue(f.cancel(mayInterruptIfRunning));
2466	<	checkCompletedWithWrappedCancellationException(h);
2467	<	g.complete(v1);
2468	<
2469	<	checkCancelled(f);
2470	<	assertEquals(0, r.invocationCount);
2471	<	checkCompletedNormally(g, v1);
2472	<	checkCompletedWithWrappedCancellationException(h);
2473	<	}}
2474	<
2475	<	public void testAcceptEither_sourceCancelled2() {
2600	>	public void testAcceptEither_sourceCancelled() {
2601		for (ExecutionMode m : ExecutionMode.values())
2602		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2603		for (Integer v1 : new Integer[] { 1, null })
2604		{
2605		final CompletableFuture<Integer> f = new CompletableFuture<>();
2606		final CompletableFuture<Integer> g = new CompletableFuture<>();
2607	<	final IncAction r = new IncAction();
2608	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2484	<
2485	<	assertTrue(g.cancel(mayInterruptIfRunning));
2486	<	checkCompletedWithWrappedCancellationException(h);
2487	<	f.complete(v1);
2607	>	final NoopConsumer[] rs = new NoopConsumer[6];
2608	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2609
2610	<	checkCancelled(g);
2611	<	assertEquals(0, r.invocationCount);
2612	<	checkCompletedNormally(f, v1);
2613	<	checkCompletedWithWrappedCancellationException(h);
2614	<	}}
2615	<
2616	<	public void testAcceptEither_sourceCancelled3() {
2617	<	for (ExecutionMode m : ExecutionMode.values())
2618	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2619	<	for (Integer v1 : new Integer[] { 1, null })
2620	<	{
2621	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2622	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2502	<	final IncAction r = new IncAction();
2610	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2611	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2612	>	checkIncomplete(h0);
2613	>	checkIncomplete(h1);
2614	>	rs[0].assertNotInvoked();
2615	>	rs[1].assertNotInvoked();
2616	>	f.cancel(mayInterruptIfRunning);
2617	>	checkCompletedWithWrappedCancellationException(h0);
2618	>	checkCompletedWithWrappedCancellationException(h1);
2619	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2620	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2621	>	checkCompletedWithWrappedCancellationException(h2);
2622	>	checkCompletedWithWrappedCancellationException(h3);
2623
2624	<	assertTrue(g.cancel(mayInterruptIfRunning));
2505	<	f.complete(v1);
2506	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2624	>	g.complete(v1);
2625
2626	<	// unspecified behavior
2627	<	Integer v;
2626	>	// unspecified behavior - both source completions available
2627	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2628	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2629		try {
2630	<	assertNull(h.join());
2631	<	assertEquals(1, r.invocationCount);
2513	<	assertEquals(inc(v1), r.value);
2630	>	assertNull(h4.join());
2631	>	rs[4].assertValue(v1);
2632		} catch (CompletionException ok) {
2633	<	checkCompletedWithWrappedCancellationException(h);
2634	<	assertEquals(0, r.invocationCount);
2633	>	checkCompletedWithWrappedCancellationException(h4);
2634	>	rs[4].assertNotInvoked();
2635		}
2518	–
2519	–	checkCancelled(g);
2520	–	checkCompletedNormally(f, v1);
2521	–	}}
2522	–
2523	–	public void testAcceptEither_sourceCancelled4() {
2524	–	for (ExecutionMode m : ExecutionMode.values())
2525	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2526	–	for (Integer v1 : new Integer[] { 1, null })
2527	–	{
2528	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2529	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2530	–	final IncAction r = new IncAction();
2531	–
2532	–	assertTrue(f.cancel(mayInterruptIfRunning));
2533	–	g.complete(v1);
2534	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2535	–
2536	–	// unspecified behavior
2537	–	Integer v;
2636		try {
2637	<	assertNull(h.join());
2638	<	assertEquals(1, r.invocationCount);
2541	<	assertEquals(inc(v1), r.value);
2637	>	assertNull(h5.join());
2638	>	rs[5].assertValue(v1);
2639		} catch (CompletionException ok) {
2640	<	checkCompletedWithWrappedCancellationException(h);
2641	<	assertEquals(0, r.invocationCount);
2640	>	checkCompletedWithWrappedCancellationException(h5);
2641	>	rs[5].assertNotInvoked();
2642		}
2643
2644		checkCancelled(f);
2645		checkCompletedNormally(g, v1);
2646	+	checkCompletedWithWrappedCancellationException(h0);
2647	+	checkCompletedWithWrappedCancellationException(h1);
2648	+	checkCompletedWithWrappedCancellationException(h2);
2649	+	checkCompletedWithWrappedCancellationException(h3);
2650	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2651		}}
2652
2653		/**
2654	<	* runAfterEither result completes normally after normal completion
2553	<	* of either source
2654	>	* acceptEither result completes exceptionally if action does
2655		*/
2656	<	public void testRunAfterEither_normalCompletion1() {
2656	>	public void testAcceptEither_actionFailed() {
2657		for (ExecutionMode m : ExecutionMode.values())
2658		for (Integer v1 : new Integer[] { 1, null })
2659		for (Integer v2 : new Integer[] { 2, null })
2660		{
2661		final CompletableFuture<Integer> f = new CompletableFuture<>();
2662		final CompletableFuture<Integer> g = new CompletableFuture<>();
2663	<	final Noop r = new Noop();
2664	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2663	>	final FailingConsumer[] rs = new FailingConsumer[6];
2664	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2665
2666	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2667	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2668		f.complete(v1);
2669	<	checkCompletedNormally(h, null);
2670	<	assertEquals(1, r.invocationCount);
2669	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2670	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2671	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2672	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2673	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2674	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2675	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2676	>
2677		g.complete(v2);
2678
2679	+	// unspecified behavior - both source completions available
2680	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2681	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2682	+
2683	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2684	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2685	+	Objects.equals(v2, rs[4].value));
2686	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2687	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2688	+	Objects.equals(v2, rs[5].value));
2689	+
2690		checkCompletedNormally(f, v1);
2691		checkCompletedNormally(g, v2);
2572	–	checkCompletedNormally(h, null);
2573	–	assertEquals(1, r.invocationCount);
2692		}}
2693
2694	<	public void testRunAfterEither_normalCompletion2() {
2694	>	/**
2695	>	* runAfterEither result completes normally after normal completion
2696	>	* of either source
2697	>	*/
2698	>	public void testRunAfterEither_normalCompletion() {
2699		for (ExecutionMode m : ExecutionMode.values())
2700		for (Integer v1 : new Integer[] { 1, null })
2701		for (Integer v2 : new Integer[] { 2, null })
2702	+	for (boolean pushNop : new boolean[] { true, false })
2703		{
2704		final CompletableFuture<Integer> f = new CompletableFuture<>();
2705		final CompletableFuture<Integer> g = new CompletableFuture<>();
2706	<	final Noop r = new Noop();
2707	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2706	>	final Noop[] rs = new Noop[6];
2707	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2708
2709	<	g.complete(v2);
2710	<	checkCompletedNormally(h, null);
2711	<	assertEquals(1, r.invocationCount);
2709	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2710	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2711	>	checkIncomplete(h0);
2712	>	checkIncomplete(h1);
2713	>	rs[0].assertNotInvoked();
2714	>	rs[1].assertNotInvoked();
2715	>	if (pushNop) {          // ad hoc test of intra-completion interference
2716	>	m.thenRun(f, () -> {});
2717	>	m.thenRun(g, () -> {});
2718	>	}
2719		f.complete(v1);
2720	+	checkCompletedNormally(h0, null);
2721	+	checkCompletedNormally(h1, null);
2722	+	rs[0].assertInvoked();
2723	+	rs[1].assertInvoked();
2724	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2725	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2726	+	checkCompletedNormally(h2, null);
2727	+	checkCompletedNormally(h3, null);
2728	+	rs[2].assertInvoked();
2729	+	rs[3].assertInvoked();
2730
2591	–	checkCompletedNormally(f, v1);
2592	–	checkCompletedNormally(g, v2);
2593	–	checkCompletedNormally(h, null);
2594	–	assertEquals(1, r.invocationCount);
2595	–	}}
2596	–
2597	–	public void testRunAfterEither_normalCompletion3() {
2598	–	for (ExecutionMode m : ExecutionMode.values())
2599	–	for (Integer v1 : new Integer[] { 1, null })
2600	–	for (Integer v2 : new Integer[] { 2, null })
2601	–	{
2602	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2603	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2604	–	final Noop r = new Noop();
2605	–
2606	–	f.complete(v1);
2731		g.complete(v2);
2608	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2732
2733	<	checkCompletedNormally(h, null);
2733	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2734	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2735	>
2736		checkCompletedNormally(f, v1);
2737		checkCompletedNormally(g, v2);
2738	<	assertEquals(1, r.invocationCount);
2738	>	checkCompletedNormally(h0, null);
2739	>	checkCompletedNormally(h1, null);
2740	>	checkCompletedNormally(h2, null);
2741	>	checkCompletedNormally(h3, null);
2742	>	checkCompletedNormally(h4, null);
2743	>	checkCompletedNormally(h5, null);
2744	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2745		}}
2746
2747		/**
2748		* runAfterEither result completes exceptionally after exceptional
2749		* completion of either source
2750		*/
2751	<	public void testRunAfterEither_exceptionalCompletion1() {
2751	>	public void testRunAfterEither_exceptionalCompletion() {
2752		for (ExecutionMode m : ExecutionMode.values())
2753		for (Integer v1 : new Integer[] { 1, null })
2754		{
2755		final CompletableFuture<Integer> f = new CompletableFuture<>();
2756		final CompletableFuture<Integer> g = new CompletableFuture<>();
2626	–	final Noop r = new Noop();
2627	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2757		final CFException ex = new CFException();
2758	+	final Noop[] rs = new Noop[6];
2759	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2760
2761	<	f.completeExceptionally(ex);
2762	<	checkCompletedWithWrappedCFException(h, ex);
2763	<	g.complete(v1);
2761	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2762	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2763	>	checkIncomplete(h0);
2764	>	checkIncomplete(h1);
2765	>	rs[0].assertNotInvoked();
2766	>	rs[1].assertNotInvoked();
2767	>	assertTrue(f.completeExceptionally(ex));
2768	>	checkCompletedWithWrappedException(h0, ex);
2769	>	checkCompletedWithWrappedException(h1, ex);
2770	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2771	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2772	>	checkCompletedWithWrappedException(h2, ex);
2773	>	checkCompletedWithWrappedException(h3, ex);
2774	>
2775	>	assertTrue(g.complete(v1));
2776	>
2777	>	// unspecified behavior - both source completions available
2778	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2779	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2780	>	try {
2781	>	assertNull(h4.join());
2782	>	rs[4].assertInvoked();
2783	>	} catch (CompletionException ok) {
2784	>	checkCompletedWithWrappedException(h4, ex);
2785	>	rs[4].assertNotInvoked();
2786	>	}
2787	>	try {
2788	>	assertNull(h5.join());
2789	>	rs[5].assertInvoked();
2790	>	} catch (CompletionException ok) {
2791	>	checkCompletedWithWrappedException(h5, ex);
2792	>	rs[5].assertNotInvoked();
2793	>	}
2794
2795	<	assertEquals(0, r.invocationCount);
2795	>	checkCompletedExceptionally(f, ex);
2796		checkCompletedNormally(g, v1);
2797	<	checkCompletedWithWrappedCFException(f, ex);
2798	<	checkCompletedWithWrappedCFException(h, ex);
2797	>	checkCompletedWithWrappedException(h0, ex);
2798	>	checkCompletedWithWrappedException(h1, ex);
2799	>	checkCompletedWithWrappedException(h2, ex);
2800	>	checkCompletedWithWrappedException(h3, ex);
2801	>	checkCompletedWithWrappedException(h4, ex);
2802	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2803		}}
2804
2805		public void testRunAfterEither_exceptionalCompletion2() {
2806		for (ExecutionMode m : ExecutionMode.values())
2807	+	for (boolean fFirst : new boolean[] { true, false })
2808		for (Integer v1 : new Integer[] { 1, null })
2809		{
2810		final CompletableFuture<Integer> f = new CompletableFuture<>();
2811		final CompletableFuture<Integer> g = new CompletableFuture<>();
2646	–	final Noop r = new Noop();
2647	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2648	–	final CFException ex = new CFException();
2649	–
2650	–	g.completeExceptionally(ex);
2651	–	checkCompletedWithWrappedCFException(h, ex);
2652	–	f.complete(v1);
2653	–
2654	–	assertEquals(0, r.invocationCount);
2655	–	checkCompletedNormally(f, v1);
2656	–	checkCompletedWithWrappedCFException(g, ex);
2657	–	checkCompletedWithWrappedCFException(h, ex);
2658	–	}}
2659	–
2660	–	public void testRunAfterEither_exceptionalCompletion3() {
2661	–	for (ExecutionMode m : ExecutionMode.values())
2662	–	for (Integer v1 : new Integer[] { 1, null })
2663	–	{
2664	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2665	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2666	–	final Noop r = new Noop();
2812		final CFException ex = new CFException();
2813	+	final Noop[] rs = new Noop[6];
2814	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2815
2816	<	g.completeExceptionally(ex);
2817	<	f.complete(v1);
2818	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2816	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2817	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2818	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2819	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2820	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2821	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2822
2823	<	// unspecified behavior
2674	<	Integer v;
2823	>	// unspecified behavior - both source completions available
2824		try {
2825	<	assertNull(h.join());
2826	<	assertEquals(1, r.invocationCount);
2825	>	assertEquals(null, h0.join());
2826	>	rs[0].assertInvoked();
2827		} catch (CompletionException ok) {
2828	<	checkCompletedWithWrappedCFException(h, ex);
2829	<	assertEquals(0, r.invocationCount);
2828	>	checkCompletedWithWrappedException(h0, ex);
2829	>	rs[0].assertNotInvoked();
2830		}
2682	–
2683	–	checkCompletedWithWrappedCFException(g, ex);
2684	–	checkCompletedNormally(f, v1);
2685	–	}}
2686	–
2687	–	public void testRunAfterEither_exceptionalCompletion4() {
2688	–	for (ExecutionMode m : ExecutionMode.values())
2689	–	for (Integer v1 : new Integer[] { 1, null })
2690	–	{
2691	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2692	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2693	–	final Noop r = new Noop();
2694	–	final CFException ex = new CFException();
2695	–
2696	–	f.completeExceptionally(ex);
2697	–	g.complete(v1);
2698	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2699	–
2700	–	// unspecified behavior
2701	–	Integer v;
2831		try {
2832	<	assertNull(h.join());
2833	<	assertEquals(1, r.invocationCount);
2832	>	assertEquals(null, h1.join());
2833	>	rs[1].assertInvoked();
2834		} catch (CompletionException ok) {
2835	<	checkCompletedWithWrappedCFException(h, ex);
2836	<	assertEquals(0, r.invocationCount);
2835	>	checkCompletedWithWrappedException(h1, ex);
2836	>	rs[1].assertNotInvoked();
2837	>	}
2838	>	try {
2839	>	assertEquals(null, h2.join());
2840	>	rs[2].assertInvoked();
2841	>	} catch (CompletionException ok) {
2842	>	checkCompletedWithWrappedException(h2, ex);
2843	>	rs[2].assertNotInvoked();
2844	>	}
2845	>	try {
2846	>	assertEquals(null, h3.join());
2847	>	rs[3].assertInvoked();
2848	>	} catch (CompletionException ok) {
2849	>	checkCompletedWithWrappedException(h3, ex);
2850	>	rs[3].assertNotInvoked();
2851		}
2852
2710	–	checkCompletedWithWrappedCFException(f, ex);
2711	–	checkCompletedNormally(g, v1);
2712	–	}}
2713	–
2714	–	/**
2715	–	* runAfterEither result completes exceptionally if action does
2716	–	*/
2717	–	public void testRunAfterEither_actionFailed1() {
2718	–	for (ExecutionMode m : ExecutionMode.values())
2719	–	for (Integer v1 : new Integer[] { 1, null })
2720	–	for (Integer v2 : new Integer[] { 2, null })
2721	–	{
2722	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2723	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2724	–	final FailingNoop r = new FailingNoop();
2725	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2726	–
2727	–	f.complete(v1);
2728	–	checkCompletedWithWrappedCFException(h);
2729	–	g.complete(v2);
2730	–	checkCompletedNormally(f, v1);
2731	–	checkCompletedNormally(g, v2);
2732	–	}}
2733	–
2734	–	public void testRunAfterEither_actionFailed2() {
2735	–	for (ExecutionMode m : ExecutionMode.values())
2736	–	for (Integer v1 : new Integer[] { 1, null })
2737	–	for (Integer v2 : new Integer[] { 2, null })
2738	–	{
2739	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2740	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2741	–	final FailingNoop r = new FailingNoop();
2742	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2743	–
2744	–	g.complete(v2);
2745	–	checkCompletedWithWrappedCFException(h);
2746	–	f.complete(v1);
2853		checkCompletedNormally(f, v1);
2854	<	checkCompletedNormally(g, v2);
2854	>	checkCompletedExceptionally(g, ex);
2855		}}
2856
2857		/**
2858		* runAfterEither result completes exceptionally if either source cancelled
2859		*/
2860	<	public void testRunAfterEither_sourceCancelled1() {
2755	<	for (ExecutionMode m : ExecutionMode.values())
2756	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2757	<	for (Integer v1 : new Integer[] { 1, null })
2758	<	{
2759	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2760	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2761	<	final Noop r = new Noop();
2762	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2763	<
2764	<	assertTrue(f.cancel(mayInterruptIfRunning));
2765	<	checkCompletedWithWrappedCancellationException(h);
2766	<	g.complete(v1);
2767	<
2768	<	checkCancelled(f);
2769	<	assertEquals(0, r.invocationCount);
2770	<	checkCompletedNormally(g, v1);
2771	<	checkCompletedWithWrappedCancellationException(h);
2772	<	}}
2773	<
2774	<	public void testRunAfterEither_sourceCancelled2() {
2860	>	public void testRunAfterEither_sourceCancelled() {
2861		for (ExecutionMode m : ExecutionMode.values())
2862		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2863		for (Integer v1 : new Integer[] { 1, null })
2864		{
2865		final CompletableFuture<Integer> f = new CompletableFuture<>();
2866		final CompletableFuture<Integer> g = new CompletableFuture<>();
2867	<	final Noop r = new Noop();
2868	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2783	<
2784	<	assertTrue(g.cancel(mayInterruptIfRunning));
2785	<	checkCompletedWithWrappedCancellationException(h);
2786	<	f.complete(v1);
2787	<
2788	<	checkCancelled(g);
2789	<	assertEquals(0, r.invocationCount);
2790	<	checkCompletedNormally(f, v1);
2791	<	checkCompletedWithWrappedCancellationException(h);
2792	<	}}
2867	>	final Noop[] rs = new Noop[6];
2868	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2869
2870	<	public void testRunAfterEither_sourceCancelled3() {
2871	<	for (ExecutionMode m : ExecutionMode.values())
2872	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2873	<	for (Integer v1 : new Integer[] { 1, null })
2874	<	{
2875	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2876	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2877	<	final Noop r = new Noop();
2878	<
2879	<	assertTrue(g.cancel(mayInterruptIfRunning));
2880	<	f.complete(v1);
2881	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2882	<
2883	<	// unspecified behavior
2884	<	Integer v;
2870	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2871	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2872	>	checkIncomplete(h0);
2873	>	checkIncomplete(h1);
2874	>	rs[0].assertNotInvoked();
2875	>	rs[1].assertNotInvoked();
2876	>	f.cancel(mayInterruptIfRunning);
2877	>	checkCompletedWithWrappedCancellationException(h0);
2878	>	checkCompletedWithWrappedCancellationException(h1);
2879	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2880	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2881	>	checkCompletedWithWrappedCancellationException(h2);
2882	>	checkCompletedWithWrappedCancellationException(h3);
2883	>
2884	>	assertTrue(g.complete(v1));
2885	>
2886	>	// unspecified behavior - both source completions available
2887	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2888	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2889	>	try {
2890	>	assertNull(h4.join());
2891	>	rs[4].assertInvoked();
2892	>	} catch (CompletionException ok) {
2893	>	checkCompletedWithWrappedCancellationException(h4);
2894	>	rs[4].assertNotInvoked();
2895	>	}
2896		try {
2897	<	assertNull(h.join());
2898	<	assertEquals(1, r.invocationCount);
2897	>	assertNull(h5.join());
2898	>	rs[5].assertInvoked();
2899		} catch (CompletionException ok) {
2900	<	checkCompletedWithWrappedCancellationException(h);
2901	<	assertEquals(0, r.invocationCount);
2900	>	checkCompletedWithWrappedCancellationException(h5);
2901	>	rs[5].assertNotInvoked();
2902		}
2903
2904	<	checkCancelled(g);
2905	<	checkCompletedNormally(f, v1);
2904	>	checkCancelled(f);
2905	>	checkCompletedNormally(g, v1);
2906	>	checkCompletedWithWrappedCancellationException(h0);
2907	>	checkCompletedWithWrappedCancellationException(h1);
2908	>	checkCompletedWithWrappedCancellationException(h2);
2909	>	checkCompletedWithWrappedCancellationException(h3);
2910	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2911		}}
2912
2913	<	public void testRunAfterEither_sourceCancelled4() {
2913	>	/**
2914	>	* runAfterEither result completes exceptionally if action does
2915	>	*/
2916	>	public void testRunAfterEither_actionFailed() {
2917		for (ExecutionMode m : ExecutionMode.values())
2823	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2918		for (Integer v1 : new Integer[] { 1, null })
2919	+	for (Integer v2 : new Integer[] { 2, null })
2920		{
2921		final CompletableFuture<Integer> f = new CompletableFuture<>();
2922		final CompletableFuture<Integer> g = new CompletableFuture<>();
2923	<	final Noop r = new Noop();
2924	<
2830	<	assertTrue(f.cancel(mayInterruptIfRunning));
2831	<	g.complete(v1);
2832	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2923	>	final FailingRunnable[] rs = new FailingRunnable[6];
2924	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2925
2926	<	// unspecified behavior
2927	<	Integer v;
2928	<	try {
2929	<	assertNull(h.join());
2930	<	assertEquals(1, r.invocationCount);
2931	<	} catch (CompletionException ok) {
2932	<	checkCompletedWithWrappedCancellationException(h);
2933	<	assertEquals(0, r.invocationCount);
2934	<	}
2926	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2927	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2928	>	assertTrue(f.complete(v1));
2929	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2930	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2931	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2932	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2933	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2934	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2935	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2936	>	assertTrue(g.complete(v2));
2937	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2938	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2939	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2940	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2941
2942	<	checkCancelled(f);
2943	<	checkCompletedNormally(g, v1);
2942	>	checkCompletedNormally(f, v1);
2943	>	checkCompletedNormally(g, v2);
2944	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2945		}}
2946
2947		/**
#	Line 2854 | Line 2953 | public class CompletableFutureTest exten
2953		for (Integer v1 : new Integer[] { 1, null })
2954		{
2955		final CompletableFuture<Integer> f = new CompletableFuture<>();
2956	<	final CompletableFutureInc r = new CompletableFutureInc();
2957	<	if (!createIncomplete) f.complete(v1);
2958	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2959	<	if (createIncomplete) f.complete(v1);
2956	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2957	>	if (!createIncomplete) assertTrue(f.complete(v1));
2958	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2959	>	if (createIncomplete) assertTrue(f.complete(v1));
2960
2961		checkCompletedNormally(g, inc(v1));
2962		checkCompletedNormally(f, v1);
2963	<	assertEquals(1, r.invocationCount);
2963	>	r.assertValue(v1);
2964		}}
2965
2966		/**
#	Line 2873 | Line 2972 | public class CompletableFutureTest exten
2972		for (boolean createIncomplete : new boolean[] { true, false })
2973		{
2974		final CFException ex = new CFException();
2975	<	final CompletableFutureInc r = new CompletableFutureInc();
2975	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2976		final CompletableFuture<Integer> f = new CompletableFuture<>();
2977		if (!createIncomplete) f.completeExceptionally(ex);
2978	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2978	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2979		if (createIncomplete) f.completeExceptionally(ex);
2980
2981	<	checkCompletedWithWrappedCFException(g, ex);
2982	<	checkCompletedWithWrappedCFException(f, ex);
2983	<	assertEquals(0, r.invocationCount);
2981	>	checkCompletedWithWrappedException(g, ex);
2982	>	checkCompletedExceptionally(f, ex);
2983	>	r.assertNotInvoked();
2984		}}
2985
2986		/**
#	Line 2894 | Line 2993 | public class CompletableFutureTest exten
2993		{
2994		final CompletableFuture<Integer> f = new CompletableFuture<>();
2995		final FailingCompletableFutureFunction r
2996	<	= new FailingCompletableFutureFunction();
2997	<	if (!createIncomplete) f.complete(v1);
2998	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2999	<	if (createIncomplete) f.complete(v1);
2996	>	= new FailingCompletableFutureFunction(m);
2997	>	if (!createIncomplete) assertTrue(f.complete(v1));
2998	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2999	>	if (createIncomplete) assertTrue(f.complete(v1));
3000
3001	<	checkCompletedWithWrappedCFException(g);
3001	>	checkCompletedWithWrappedException(g, r.ex);
3002		checkCompletedNormally(f, v1);
3003		}}
3004
#	Line 2912 | Line 3011 | public class CompletableFutureTest exten
3011		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3012		{
3013		final CompletableFuture<Integer> f = new CompletableFuture<>();
3014	<	final CompletableFutureInc r = new CompletableFutureInc();
3014	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3015		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3016	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3017	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3016	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3017	>	if (createIncomplete) {
3018	>	checkIncomplete(g);
3019	>	assertTrue(f.cancel(mayInterruptIfRunning));
3020	>	}
3021
3022		checkCompletedWithWrappedCancellationException(g);
3023		checkCancelled(f);
3024		}}
3025
2924	–	// asyncs
2925	–
2926	–	/**
2927	–	* thenApplyAsync result completes normally after normal completion of source
2928	–	*/
2929	–	public void testThenApplyAsync() {
2930	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2931	–	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2932	–	f.complete(one);
2933	–	checkCompletedNormally(g, two);
2934	–	}
2935	–
2936	–	/**
2937	–	* thenApplyAsync result completes exceptionally after exceptional
2938	–	* completion of source
2939	–	*/
2940	–	public void testThenApplyAsync2() {
2941	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2942	–	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2943	–	f.completeExceptionally(new CFException());
2944	–	checkCompletedWithWrappedCFException(g);
2945	–	}
2946	–
2947	–	/**
2948	–	* thenApplyAsync result completes exceptionally if action does
2949	–	*/
2950	–	public void testThenApplyAsync3() {
2951	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2952	–	FailingFunction r = new FailingFunction();
2953	–	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2954	–	f.complete(null);
2955	–	checkCompletedWithWrappedCFException(g);
2956	–	}
2957	–
2958	–	/**
2959	–	* thenApplyAsync result completes exceptionally if source cancelled
2960	–	*/
2961	–	public void testThenApplyAsync4() {
2962	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2963	–	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2964	–	assertTrue(f.cancel(true));
2965	–	checkCompletedWithWrappedCancellationException(g);
2966	–	}
2967	–
2968	–	/**
2969	–	* thenAcceptAsync result completes normally after normal
2970	–	* completion of source
2971	–	*/
2972	–	public void testThenAcceptAsync() {
2973	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2974	–	IncAction r = new IncAction();
2975	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2976	–	f.complete(one);
2977	–	checkCompletedNormally(g, null);
2978	–	assertEquals(r.value, (Integer) 2);
2979	–	}
2980	–
2981	–	/**
2982	–	* thenAcceptAsync result completes exceptionally after exceptional
2983	–	* completion of source
2984	–	*/
2985	–	public void testThenAcceptAsync2() {
2986	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2987	–	IncAction r = new IncAction();
2988	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2989	–	f.completeExceptionally(new CFException());
2990	–	checkCompletedWithWrappedCFException(g);
2991	–	}
2992	–
2993	–	/**
2994	–	* thenAcceptAsync result completes exceptionally if action does
2995	–	*/
2996	–	public void testThenAcceptAsync3() {
2997	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2998	–	FailingConsumer r = new FailingConsumer();
2999	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3000	–	f.complete(null);
3001	–	checkCompletedWithWrappedCFException(g);
3002	–	}
3003	–
3004	–	/**
3005	–	* thenAcceptAsync result completes exceptionally if source cancelled
3006	–	*/
3007	–	public void testThenAcceptAsync4() {
3008	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3009	–	IncAction r = new IncAction();
3010	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3011	–	assertTrue(f.cancel(true));
3012	–	checkCompletedWithWrappedCancellationException(g);
3013	–	}
3014	–
3015	–	// async with explicit executors
3016	–
3017	–	/**
3018	–	* thenApplyAsync result completes normally after normal completion of source
3019	–	*/
3020	–	public void testThenApplyAsyncE() {
3021	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3022	–	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3023	–	f.complete(one);
3024	–	checkCompletedNormally(g, two);
3025	–	}
3026	–
3027	–	/**
3028	–	* thenApplyAsync result completes exceptionally after exceptional
3029	–	* completion of source
3030	–	*/
3031	–	public void testThenApplyAsync2E() {
3032	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3033	–	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3034	–	f.completeExceptionally(new CFException());
3035	–	checkCompletedWithWrappedCFException(g);
3036	–	}
3037	–
3026		/**
3027	<	* thenApplyAsync result completes exceptionally if action does
3027	>	* thenCompose result completes exceptionally if the result of the action does
3028		*/
3029	<	public void testThenApplyAsync3E() {
3030	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3031	<	FailingFunction r = new FailingFunction();
3032	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3033	<	f.complete(null);
3034	<	checkCompletedWithWrappedCFException(g);
3035	<	}
3036	<
3037	<	/**
3038	<	* thenApplyAsync result completes exceptionally if source cancelled
3039	<	*/
3040	<	public void testThenApplyAsync4E() {
3041	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3042	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3043	<	assertTrue(f.cancel(true));
3044	<	checkCompletedWithWrappedCancellationException(g);
3045	<	}
3046	<
3047	<	/**
3048	<	* thenAcceptAsync result completes normally after normal
3049	<	* completion of source
3050	<	*/
3051	<	public void testThenAcceptAsyncE() {
3052	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3053	<	IncAction r = new IncAction();
3054	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3055	<	f.complete(one);
3056	<	checkCompletedNormally(g, null);
3057	<	assertEquals(r.value, (Integer) 2);
3058	<	}
3059	<
3060	<	/**
3061	<	* thenAcceptAsync result completes exceptionally after exceptional
3062	<	* completion of source
3063	<	*/
3064	<	public void testThenAcceptAsync2E() {
3065	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3066	<	IncAction r = new IncAction();
3067	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3068	<	f.completeExceptionally(new CFException());
3069	<	checkCompletedWithWrappedCFException(g);
3070	<	}
3071	<
3084	<	/**
3085	<	* thenAcceptAsync result completes exceptionally if action does
3086	<	*/
3087	<	public void testThenAcceptAsync3E() {
3088	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3089	<	FailingConsumer r = new FailingConsumer();
3090	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3091	<	f.complete(null);
3092	<	checkCompletedWithWrappedCFException(g);
3093	<	}
3029	>	public void testThenCompose_actionReturnsFailingFuture() {
3030	>	for (ExecutionMode m : ExecutionMode.values())
3031	>	for (int order = 0; order < 6; order++)
3032	>	for (Integer v1 : new Integer[] { 1, null })
3033	>	{
3034	>	final CFException ex = new CFException();
3035	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3036	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3037	>	final CompletableFuture<Integer> h;
3038	>	// Test all permutations of orders
3039	>	switch (order) {
3040	>	case 0:
3041	>	assertTrue(f.complete(v1));
3042	>	assertTrue(g.completeExceptionally(ex));
3043	>	h = m.thenCompose(f, (x -> g));
3044	>	break;
3045	>	case 1:
3046	>	assertTrue(f.complete(v1));
3047	>	h = m.thenCompose(f, (x -> g));
3048	>	assertTrue(g.completeExceptionally(ex));
3049	>	break;
3050	>	case 2:
3051	>	assertTrue(g.completeExceptionally(ex));
3052	>	assertTrue(f.complete(v1));
3053	>	h = m.thenCompose(f, (x -> g));
3054	>	break;
3055	>	case 3:
3056	>	assertTrue(g.completeExceptionally(ex));
3057	>	h = m.thenCompose(f, (x -> g));
3058	>	assertTrue(f.complete(v1));
3059	>	break;
3060	>	case 4:
3061	>	h = m.thenCompose(f, (x -> g));
3062	>	assertTrue(f.complete(v1));
3063	>	assertTrue(g.completeExceptionally(ex));
3064	>	break;
3065	>	case 5:
3066	>	h = m.thenCompose(f, (x -> g));
3067	>	assertTrue(f.complete(v1));
3068	>	assertTrue(g.completeExceptionally(ex));
3069	>	break;
3070	>	default: throw new AssertionError();
3071	>	}
3072
3073	<	/**
3074	<	* thenAcceptAsync result completes exceptionally if source cancelled
3075	<	*/
3076	<	public void testThenAcceptAsync4E() {
3099	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3100	<	IncAction r = new IncAction();
3101	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3102	<	assertTrue(f.cancel(true));
3103	<	checkCompletedWithWrappedCancellationException(g);
3104	<	}
3073	>	checkCompletedExceptionally(g, ex);
3074	>	checkCompletedWithWrappedException(h, ex);
3075	>	checkCompletedNormally(f, v1);
3076	>	}}
3077
3078		// other static methods
3079
#	Line 3119 | Line 3091 | public class CompletableFutureTest exten
3091		* when all components complete normally
3092		*/
3093		public void testAllOf_normal() throws Exception {
3094	<	for (int k = 1; k < 20; ++k) {
3095	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3096	<	for (int i = 0; i < k; ++i)
3094	>	for (int k = 1; k < 10; k++) {
3095	>	CompletableFuture<Integer>[] fs
3096	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3097	>	for (int i = 0; i < k; i++)
3098		fs[i] = new CompletableFuture<>();
3099		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3100	<	for (int i = 0; i < k; ++i) {
3100	>	for (int i = 0; i < k; i++) {
3101		checkIncomplete(f);
3102		checkIncomplete(CompletableFuture.allOf(fs));
3103		fs[i].complete(one);
#	Line 3134 | Line 3107 | public class CompletableFutureTest exten
3107		}
3108		}
3109
3110	+	public void testAllOf_normal_backwards() throws Exception {
3111	+	for (int k = 1; k < 10; k++) {
3112	+	CompletableFuture<Integer>[] fs
3113	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3114	+	for (int i = 0; i < k; i++)
3115	+	fs[i] = new CompletableFuture<>();
3116	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3117	+	for (int i = k - 1; i >= 0; i--) {
3118	+	checkIncomplete(f);
3119	+	checkIncomplete(CompletableFuture.allOf(fs));
3120	+	fs[i].complete(one);
3121	+	}
3122	+	checkCompletedNormally(f, null);
3123	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3124	+	}
3125	+	}
3126	+
3127	+	public void testAllOf_exceptional() throws Exception {
3128	+	for (int k = 1; k < 10; k++) {
3129	+	CompletableFuture<Integer>[] fs
3130	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3131	+	CFException ex = new CFException();
3132	+	for (int i = 0; i < k; i++)
3133	+	fs[i] = new CompletableFuture<>();
3134	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3135	+	for (int i = 0; i < k; i++) {
3136	+	checkIncomplete(f);
3137	+	checkIncomplete(CompletableFuture.allOf(fs));
3138	+	if (i != k / 2) {
3139	+	fs[i].complete(i);
3140	+	checkCompletedNormally(fs[i], i);
3141	+	} else {
3142	+	fs[i].completeExceptionally(ex);
3143	+	checkCompletedExceptionally(fs[i], ex);
3144	+	}
3145	+	}
3146	+	checkCompletedWithWrappedException(f, ex);
3147	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3148	+	}
3149	+	}
3150	+
3151		/**
3152		* anyOf(no component futures) returns an incomplete future
3153		*/
3154		public void testAnyOf_empty() throws Exception {
3155	+	for (Integer v1 : new Integer[] { 1, null })
3156	+	{
3157		CompletableFuture<Object> f = CompletableFuture.anyOf();
3158		checkIncomplete(f);
3159	<	}
3159	>
3160	>	f.complete(v1);
3161	>	checkCompletedNormally(f, v1);
3162	>	}}
3163
3164		/**
3165		* anyOf returns a future completed normally with a value when
3166		* a component future does
3167		*/
3168		public void testAnyOf_normal() throws Exception {
3169	<	for (int k = 0; k < 10; ++k) {
3169	>	for (int k = 0; k < 10; k++) {
3170		CompletableFuture[] fs = new CompletableFuture[k];
3171	<	for (int i = 0; i < k; ++i)
3171	>	for (int i = 0; i < k; i++)
3172		fs[i] = new CompletableFuture<>();
3173		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3174		checkIncomplete(f);
3175	<	for (int i = 0; i < k; ++i) {
3176	<	fs[i].complete(one);
3177	<	checkCompletedNormally(f, one);
3178	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3175	>	for (int i = 0; i < k; i++) {
3176	>	fs[i].complete(i);
3177	>	checkCompletedNormally(f, 0);
3178	>	int x = (int) CompletableFuture.anyOf(fs).join();
3179	>	assertTrue(0 <= x && x <= i);
3180	>	}
3181	>	}
3182	>	}
3183	>	public void testAnyOf_normal_backwards() throws Exception {
3184	>	for (int k = 0; k < 10; k++) {
3185	>	CompletableFuture[] fs = new CompletableFuture[k];
3186	>	for (int i = 0; i < k; i++)
3187	>	fs[i] = new CompletableFuture<>();
3188	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3189	>	checkIncomplete(f);
3190	>	for (int i = k - 1; i >= 0; i--) {
3191	>	fs[i].complete(i);
3192	>	checkCompletedNormally(f, k - 1);
3193	>	int x = (int) CompletableFuture.anyOf(fs).join();
3194	>	assertTrue(i <= x && x <= k - 1);
3195		}
3196		}
3197		}
#	Line 3165 | Line 3200 | public class CompletableFutureTest exten
3200		* anyOf result completes exceptionally when any component does.
3201		*/
3202		public void testAnyOf_exceptional() throws Exception {
3203	<	for (int k = 0; k < 10; ++k) {
3203	>	for (int k = 0; k < 10; k++) {
3204		CompletableFuture[] fs = new CompletableFuture[k];
3205	<	for (int i = 0; i < k; ++i)
3205	>	CFException[] exs = new CFException[k];
3206	>	for (int i = 0; i < k; i++) {
3207		fs[i] = new CompletableFuture<>();
3208	+	exs[i] = new CFException();
3209	+	}
3210		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3211		checkIncomplete(f);
3212	<	for (int i = 0; i < k; ++i) {
3213	<	fs[i].completeExceptionally(new CFException());
3214	<	checkCompletedWithWrappedCFException(f);
3212	>	for (int i = 0; i < k; i++) {
3213	>	fs[i].completeExceptionally(exs[i]);
3214	>	checkCompletedWithWrappedException(f, exs[0]);
3215	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3216	>	}
3217	>	}
3218	>	}
3219	>
3220	>	public void testAnyOf_exceptional_backwards() throws Exception {
3221	>	for (int k = 0; k < 10; k++) {
3222	>	CompletableFuture[] fs = new CompletableFuture[k];
3223	>	CFException[] exs = new CFException[k];
3224	>	for (int i = 0; i < k; i++) {
3225	>	fs[i] = new CompletableFuture<>();
3226	>	exs[i] = new CFException();
3227	>	}
3228	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3229	>	checkIncomplete(f);
3230	>	for (int i = k - 1; i >= 0; i--) {
3231	>	fs[i].completeExceptionally(exs[i]);
3232	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3233		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3234		}
3235		}
#	Line 3186 | Line 3242 | public class CompletableFutureTest exten
3242		CompletableFuture<Integer> f = new CompletableFuture<>();
3243		CompletableFuture<Integer> g = new CompletableFuture<>();
3244		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3189	–	CompletableFuture<?> h;
3245		ThreadExecutor exec = new ThreadExecutor();
3246
3247		Runnable[] throwingActions = {
3248		() -> CompletableFuture.supplyAsync(null),
3249		() -> CompletableFuture.supplyAsync(null, exec),
3250	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3250	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3251
3252		() -> CompletableFuture.runAsync(null),
3253		() -> CompletableFuture.runAsync(null, exec),
#	Line 3202 | Line 3257 | public class CompletableFutureTest exten
3257
3258		() -> f.thenApply(null),
3259		() -> f.thenApplyAsync(null),
3260	<	() -> f.thenApplyAsync((x) -> x, null),
3260	>	() -> f.thenApplyAsync(x -> x, null),
3261		() -> f.thenApplyAsync(null, exec),
3262
3263		() -> f.thenAccept(null),
3264		() -> f.thenAcceptAsync(null),
3265	<	() -> f.thenAcceptAsync((x) -> {} , null),
3265	>	() -> f.thenAcceptAsync(x -> {} , null),
3266		() -> f.thenAcceptAsync(null, exec),
3267
3268		() -> f.thenRun(null),
#	Line 3242 | Line 3297 | public class CompletableFutureTest exten
3297		() -> f.applyToEither(g, null),
3298		() -> f.applyToEitherAsync(g, null),
3299		() -> f.applyToEitherAsync(g, null, exec),
3300	<	() -> f.applyToEither(nullFuture, (x) -> x),
3301	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3302	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3303	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3300	>	() -> f.applyToEither(nullFuture, x -> x),
3301	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3302	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3303	>	() -> f.applyToEitherAsync(g, x -> x, null),
3304
3305		() -> f.acceptEither(g, null),
3306		() -> f.acceptEitherAsync(g, null),
3307		() -> f.acceptEitherAsync(g, null, exec),
3308	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3309	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3310	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3311	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3308	>	() -> f.acceptEither(nullFuture, x -> {}),
3309	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3310	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3311	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3312
3313		() -> f.runAfterEither(g, null),
3314		() -> f.runAfterEitherAsync(g, null),
#	Line 3265 | Line 3320 | public class CompletableFutureTest exten
3320
3321		() -> f.thenCompose(null),
3322		() -> f.thenComposeAsync(null),
3323	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3323	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3324		() -> f.thenComposeAsync(null, exec),
3325
3326		() -> f.exceptionally(null),
#	Line 3283 | Line 3338 | public class CompletableFutureTest exten
3338		() -> CompletableFuture.anyOf(null, f),
3339
3340		() -> f.obtrudeException(null),
3341	+
3342	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3343	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3344	+	() -> CompletableFuture.delayedExecutor(1L, null),
3345	+
3346	+	() -> f.orTimeout(1L, null),
3347	+	() -> f.completeOnTimeout(42, 1L, null),
3348	+
3349	+	() -> CompletableFuture.failedFuture(null),
3350	+	() -> CompletableFuture.failedStage(null),
3351		};
3352
3353		assertThrows(NullPointerException.class, throwingActions);
#	Line 3290 | Line 3355 | public class CompletableFutureTest exten
3355		}
3356
3357		/**
3358	+	* Test submissions to an executor that rejects all tasks.
3359	+	*/
3360	+	public void testRejectingExecutor() {
3361	+	for (Integer v : new Integer[] { 1, null })
3362	+	{
3363	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3364	+
3365	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3366	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3367	+
3368	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3369	+
3370	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3371	+	srcs.add(complete);
3372	+	srcs.add(incomplete);
3373	+
3374	+	for (CompletableFuture<Integer> src : srcs) {
3375	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3376	+	fs.add(src.thenRunAsync(() -> {}, e));
3377	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3378	+	fs.add(src.thenApplyAsync(z -> z, e));
3379	+
3380	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3381	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3382	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3383	+
3384	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3385	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3386	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3387	+
3388	+	fs.add(src.thenComposeAsync(z -> null, e));
3389	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3390	+	fs.add(src.handleAsync((z, t) -> null, e));
3391	+
3392	+	for (CompletableFuture<?> future : fs) {
3393	+	if (src.isDone())
3394	+	checkCompletedWithWrappedException(future, e.ex);
3395	+	else
3396	+	checkIncomplete(future);
3397	+	}
3398	+	futures.addAll(fs);
3399	+	}
3400	+
3401	+	{
3402	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3403	+
3404	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3405	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3406	+
3407	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3408	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3409	+
3410	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3411	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3412	+
3413	+	for (CompletableFuture<?> future : fs)
3414	+	checkIncomplete(future);
3415	+	futures.addAll(fs);
3416	+	}
3417	+
3418	+	{
3419	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3420	+
3421	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3422	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3423	+
3424	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3425	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3426	+
3427	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3428	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3429	+
3430	+	for (CompletableFuture<?> future : fs)
3431	+	checkCompletedWithWrappedException(future, e.ex);
3432	+	futures.addAll(fs);
3433	+	}
3434	+
3435	+	incomplete.complete(v);
3436	+
3437	+	for (CompletableFuture<?> future : futures)
3438	+	checkCompletedWithWrappedException(future, e.ex);
3439	+
3440	+	assertEquals(futures.size(), e.count.get());
3441	+	}}
3442	+
3443	+	/**
3444	+	* Test submissions to an executor that rejects all tasks, but
3445	+	* should never be invoked because the dependent future is
3446	+	* explicitly completed.
3447	+	*/
3448	+	public void testRejectingExecutorNeverInvoked() {
3449	+	for (Integer v : new Integer[] { 1, null })
3450	+	{
3451	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3452	+
3453	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3454	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3455	+
3456	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3457	+
3458	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3459	+	srcs.add(complete);
3460	+	srcs.add(incomplete);
3461	+
3462	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3463	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3464	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3465	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3466	+
3467	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3468	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3469	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3470	+
3471	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3472	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3473	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3474	+
3475	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3476	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3477	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3478	+
3479	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3480	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3481	+
3482	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3483	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3484	+
3485	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3486	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3487	+
3488	+	for (CompletableFuture<?> future : fs)
3489	+	checkIncomplete(future);
3490	+
3491	+	for (CompletableFuture<?> future : fs)
3492	+	future.complete(null);
3493	+
3494	+	incomplete.complete(v);
3495	+
3496	+	for (CompletableFuture<?> future : fs)
3497	+	checkCompletedNormally(future, null);
3498	+
3499	+	assertEquals(0, e.count.get());
3500	+	}}
3501	+
3502	+	/**
3503		* toCompletableFuture returns this CompletableFuture.
3504		*/
3505		public void testToCompletableFuture() {
#	Line 3297 | Line 3507 | public class CompletableFutureTest exten
3507		assertSame(f, f.toCompletableFuture());
3508		}
3509
3510	+	// jdk9
3511	+
3512		/**
3513	<	* whenComplete action executes on normal completion, propagating
3302	<	* source result.
3513	>	* newIncompleteFuture returns an incomplete CompletableFuture
3514		*/
3515	<	public void testWhenComplete_normalCompletion1() {
3516	<	for (ExecutionMode m : ExecutionMode.values())
3515	>	public void testNewIncompleteFuture() {
3516	>	for (Integer v1 : new Integer[] { 1, null })
3517	>	{
3518	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3519	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3520	>	checkIncomplete(f);
3521	>	checkIncomplete(g);
3522	>	f.complete(v1);
3523	>	checkCompletedNormally(f, v1);
3524	>	checkIncomplete(g);
3525	>	g.complete(v1);
3526	>	checkCompletedNormally(g, v1);
3527	>	assertSame(g.getClass(), CompletableFuture.class);
3528	>	}}
3529	>
3530	>	/**
3531	>	* completedStage returns a completed CompletionStage
3532	>	*/
3533	>	public void testCompletedStage() {
3534	>	AtomicInteger x = new AtomicInteger(0);
3535	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3536	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3537	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3538	>	assertEquals(x.get(), 1);
3539	>	assertNull(r.get());
3540	>	}
3541	>
3542	>	/**
3543	>	* defaultExecutor by default returns the commonPool if
3544	>	* it supports more than one thread.
3545	>	*/
3546	>	public void testDefaultExecutor() {
3547	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3548	>	Executor e = f.defaultExecutor();
3549	>	Executor c = ForkJoinPool.commonPool();
3550	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3551	>	assertSame(e, c);
3552	>	else
3553	>	assertNotSame(e, c);
3554	>	}
3555	>
3556	>	/**
3557	>	* failedFuture returns a CompletableFuture completed
3558	>	* exceptionally with the given Exception
3559	>	*/
3560	>	public void testFailedFuture() {
3561	>	CFException ex = new CFException();
3562	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3563	>	checkCompletedExceptionally(f, ex);
3564	>	}
3565	>
3566	>	/**
3567	>	* failedFuture(null) throws NPE
3568	>	*/
3569	>	public void testFailedFuture_null() {
3570	>	try {
3571	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3572	>	shouldThrow();
3573	>	} catch (NullPointerException success) {}
3574	>	}
3575	>
3576	>	/**
3577	>	* copy returns a CompletableFuture that is completed normally,
3578	>	* with the same value, when source is.
3579	>	*/
3580	>	public void testCopy_normalCompletion() {
3581		for (boolean createIncomplete : new boolean[] { true, false })
3582		for (Integer v1 : new Integer[] { 1, null })
3583		{
3584	<	final AtomicInteger a = new AtomicInteger(0);
3585	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3586	<	if (!createIncomplete) f.complete(v1);
3587	<	final CompletableFuture<Integer> g = m.whenComplete
3588	<	(f,
3589	<	(Integer x, Throwable t) -> {
3590	<	threadAssertSame(x, v1);
3591	<	threadAssertNull(t);
3592	<	a.getAndIncrement();
3593	<	});
3594	<	if (createIncomplete) f.complete(v1);
3584	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3585	>	if (!createIncomplete) assertTrue(f.complete(v1));
3586	>	CompletableFuture<Integer> g = f.copy();
3587	>	if (createIncomplete) {
3588	>	checkIncomplete(f);
3589	>	checkIncomplete(g);
3590	>	assertTrue(f.complete(v1));
3591	>	}
3592	>	checkCompletedNormally(f, v1);
3593	>	checkCompletedNormally(g, v1);
3594	>	}}
3595	>
3596	>	/**
3597	>	* copy returns a CompletableFuture that is completed exceptionally
3598	>	* when source is.
3599	>	*/
3600	>	public void testCopy_exceptionalCompletion() {
3601	>	for (boolean createIncomplete : new boolean[] { true, false })
3602	>	{
3603	>	CFException ex = new CFException();
3604	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3605	>	if (!createIncomplete) f.completeExceptionally(ex);
3606	>	CompletableFuture<Integer> g = f.copy();
3607	>	if (createIncomplete) {
3608	>	checkIncomplete(f);
3609	>	checkIncomplete(g);
3610	>	f.completeExceptionally(ex);
3611	>	}
3612	>	checkCompletedExceptionally(f, ex);
3613	>	checkCompletedWithWrappedException(g, ex);
3614	>	}}
3615	>
3616	>	/**
3617	>	* Completion of a copy does not complete its source.
3618	>	*/
3619	>	public void testCopy_oneWayPropagation() {
3620	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3621	>	assertTrue(f.copy().complete(1));
3622	>	assertTrue(f.copy().complete(null));
3623	>	assertTrue(f.copy().cancel(true));
3624	>	assertTrue(f.copy().cancel(false));
3625	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3626	>	checkIncomplete(f);
3627	>	}
3628	>
3629	>	/**
3630	>	* minimalCompletionStage returns a CompletableFuture that is
3631	>	* completed normally, with the same value, when source is.
3632	>	*/
3633	>	public void testMinimalCompletionStage() {
3634	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3635	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3636	>	AtomicInteger x = new AtomicInteger(0);
3637	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3638	>	checkIncomplete(f);
3639	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3640	>	f.complete(1);
3641	>	checkCompletedNormally(f, 1);
3642	>	assertEquals(x.get(), 1);
3643	>	assertNull(r.get());
3644	>	}
3645	>
3646	>	/**
3647	>	* minimalCompletionStage returns a CompletableFuture that is
3648	>	* completed exceptionally when source is.
3649	>	*/
3650	>	public void testMinimalCompletionStage2() {
3651	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3652	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3653	>	AtomicInteger x = new AtomicInteger(0);
3654	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3655	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3656	>	checkIncomplete(f);
3657	>	CFException ex = new CFException();
3658	>	f.completeExceptionally(ex);
3659	>	checkCompletedExceptionally(f, ex);
3660	>	assertEquals(x.get(), 0);
3661	>	assertEquals(r.get().getCause(), ex);
3662	>	}
3663
3664	+	/**
3665	+	* failedStage returns a CompletionStage completed
3666	+	* exceptionally with the given Exception
3667	+	*/
3668	+	public void testFailedStage() {
3669	+	CFException ex = new CFException();
3670	+	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3671	+	AtomicInteger x = new AtomicInteger(0);
3672	+	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3673	+	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3674	+	assertEquals(x.get(), 0);
3675	+	assertEquals(r.get(), ex);
3676	+	}
3677	+
3678	+	/**
3679	+	* completeAsync completes with value of given supplier
3680	+	*/
3681	+	public void testCompleteAsync() {
3682	+	for (Integer v1 : new Integer[] { 1, null })
3683	+	{
3684	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3685	+	f.completeAsync(() -> v1);
3686	+	f.join();
3687	+	checkCompletedNormally(f, v1);
3688	+	}}
3689	+
3690	+	/**
3691	+	* completeAsync completes exceptionally if given supplier throws
3692	+	*/
3693	+	public void testCompleteAsync2() {
3694	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3695	+	CFException ex = new CFException();
3696	+	f.completeAsync(() -> { throw ex; });
3697	+	try {
3698	+	f.join();
3699	+	shouldThrow();
3700	+	} catch (CompletionException success) {}
3701	+	checkCompletedWithWrappedException(f, ex);
3702	+	}
3703	+
3704	+	/**
3705	+	* completeAsync with given executor completes with value of given supplier
3706	+	*/
3707	+	public void testCompleteAsync3() {
3708	+	for (Integer v1 : new Integer[] { 1, null })
3709	+	{
3710	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3711	+	ThreadExecutor executor = new ThreadExecutor();
3712	+	f.completeAsync(() -> v1, executor);
3713	+	assertSame(v1, f.join());
3714	+	checkCompletedNormally(f, v1);
3715	+	assertEquals(1, executor.count.get());
3716	+	}}
3717	+
3718	+	/**
3719	+	* completeAsync with given executor completes exceptionally if
3720	+	* given supplier throws
3721	+	*/
3722	+	public void testCompleteAsync4() {
3723	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3724	+	CFException ex = new CFException();
3725	+	ThreadExecutor executor = new ThreadExecutor();
3726	+	f.completeAsync(() -> { throw ex; }, executor);
3727	+	try {
3728	+	f.join();
3729	+	shouldThrow();
3730	+	} catch (CompletionException success) {}
3731	+	checkCompletedWithWrappedException(f, ex);
3732	+	assertEquals(1, executor.count.get());
3733	+	}
3734	+
3735	+	/**
3736	+	* orTimeout completes with TimeoutException if not complete
3737	+	*/
3738	+	public void testOrTimeout_timesOut() {
3739	+	long timeoutMillis = timeoutMillis();
3740	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3741	+	long startTime = System.nanoTime();
3742	+	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3743	+	checkCompletedWithTimeoutException(f);
3744	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3745	+	}
3746	+
3747	+	/**
3748	+	* orTimeout completes normally if completed before timeout
3749	+	*/
3750	+	public void testOrTimeout_completed() {
3751	+	for (Integer v1 : new Integer[] { 1, null })
3752	+	{
3753	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3754	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3755	+	long startTime = System.nanoTime();
3756	+	f.complete(v1);
3757	+	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3758	+	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3759	+	g.complete(v1);
3760	+	checkCompletedNormally(f, v1);
3761		checkCompletedNormally(g, v1);
3762	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3763	+	}}
3764	+
3765	+	/**
3766	+	* completeOnTimeout completes with given value if not complete
3767	+	*/
3768	+	public void testCompleteOnTimeout_timesOut() {
3769	+	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3770	+	() -> testCompleteOnTimeout_timesOut(null));
3771	+	}
3772	+
3773	+	/**
3774	+	* completeOnTimeout completes with given value if not complete
3775	+	*/
3776	+	public void testCompleteOnTimeout_timesOut(Integer v) {
3777	+	long timeoutMillis = timeoutMillis();
3778	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3779	+	long startTime = System.nanoTime();
3780	+	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3781	+	assertSame(v, f.join());
3782	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3783	+	f.complete(99);         // should have no effect
3784	+	checkCompletedNormally(f, v);
3785	+	}
3786	+
3787	+	/**
3788	+	* completeOnTimeout has no effect if completed within timeout
3789	+	*/
3790	+	public void testCompleteOnTimeout_completed() {
3791	+	for (Integer v1 : new Integer[] { 1, null })
3792	+	{
3793	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3794	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3795	+	long startTime = System.nanoTime();
3796	+	f.complete(v1);
3797	+	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3798	+	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3799	+	g.complete(v1);
3800		checkCompletedNormally(f, v1);
3801	<	assertEquals(1, a.get());
3801	>	checkCompletedNormally(g, v1);
3802	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3803		}}
3804
3805		/**
3806	<	* whenComplete action executes on exceptional completion, propagating
3328	<	* source result.
3806	>	* delayedExecutor returns an executor that delays submission
3807		*/
3808	<	public void testWhenComplete_exceptionalCompletion() {
3808	>	public void testDelayedExecutor() {
3809	>	testInParallel(() -> testDelayedExecutor(null, null),
3810	>	() -> testDelayedExecutor(null, 1),
3811	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3812	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3813	>	}
3814	>
3815	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3816	>	long timeoutMillis = timeoutMillis();
3817	>	// Use an "unreasonably long" long timeout to catch lingering threads
3818	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3819	>	final Executor delayer, longDelayer;
3820	>	if (executor == null) {
3821	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3822	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3823	>	} else {
3824	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3825	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3826	>	}
3827	>	long startTime = System.nanoTime();
3828	>	CompletableFuture<Integer> f =
3829	>	CompletableFuture.supplyAsync(() -> v, delayer);
3830	>	CompletableFuture<Integer> g =
3831	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3832	>
3833	>	assertNull(g.getNow(null));
3834	>
3835	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3836	>	long millisElapsed = millisElapsedSince(startTime);
3837	>	assertTrue(millisElapsed >= timeoutMillis);
3838	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3839	>
3840	>	checkCompletedNormally(f, v);
3841	>
3842	>	checkIncomplete(g);
3843	>	assertTrue(g.cancel(true));
3844	>	}
3845	>
3846	>	//--- tests of implementation details; not part of official tck ---
3847	>
3848	>	Object resultOf(CompletableFuture<?> f) {
3849	>	SecurityManager sm = System.getSecurityManager();
3850	>	if (sm != null) {
3851	>	try {
3852	>	System.setSecurityManager(null);
3853	>	} catch (SecurityException giveUp) {
3854	>	return "Reflection not available";
3855	>	}
3856	>	}
3857	>
3858	>	try {
3859	>	java.lang.reflect.Field resultField
3860	>	= CompletableFuture.class.getDeclaredField("result");
3861	>	resultField.setAccessible(true);
3862	>	return resultField.get(f);
3863	>	} catch (Throwable t) {
3864	>	throw new AssertionError(t);
3865	>	} finally {
3866	>	if (sm != null) System.setSecurityManager(sm);
3867	>	}
3868	>	}
3869	>
3870	>	public void testExceptionPropagationReusesResultObject() {
3871	>	if (!testImplementationDetails) return;
3872		for (ExecutionMode m : ExecutionMode.values())
3873	+	{
3874	+	final CFException ex = new CFException();
3875	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3876	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3877	+
3878	+	final Runnable noopRunnable = new Noop(m);
3879	+	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3880	+	final Function<Integer, Integer> incFunction = new IncFunction(m);
3881	+
3882	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3883	+	= new ArrayList<>();
3884	+
3885	+	funs.add(y -> m.thenRun(y, noopRunnable));
3886	+	funs.add(y -> m.thenAccept(y, noopConsumer));
3887	+	funs.add(y -> m.thenApply(y, incFunction));
3888	+
3889	+	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3890	+	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3891	+	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3892	+
3893	+	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3894	+	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3895	+	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3896	+	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3897	+	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3898	+	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3899	+
3900	+	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3901	+
3902	+	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3903	+
3904	+	funs.add(y -> CompletableFuture.allOf(y));
3905	+	funs.add(y -> CompletableFuture.allOf(y, v42));
3906	+	funs.add(y -> CompletableFuture.allOf(v42, y));
3907	+	funs.add(y -> CompletableFuture.anyOf(y));
3908	+	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3909	+	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3910	+
3911	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3912	+	fun : funs) {
3913	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3914	+	f.completeExceptionally(ex);
3915	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3916	+	checkCompletedWithWrappedException(src, ex);
3917	+	CompletableFuture<?> dep = fun.apply(src);
3918	+	checkCompletedWithWrappedException(dep, ex);
3919	+	assertSame(resultOf(src), resultOf(dep));
3920	+	}
3921	+
3922	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3923	+	fun : funs) {
3924	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3925	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3926	+	CompletableFuture<?> dep = fun.apply(src);
3927	+	f.completeExceptionally(ex);
3928	+	checkCompletedWithWrappedException(src, ex);
3929	+	checkCompletedWithWrappedException(dep, ex);
3930	+	assertSame(resultOf(src), resultOf(dep));
3931	+	}
3932	+
3933	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3934	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3935	+	fun : funs) {
3936	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3937	+	f.cancel(mayInterruptIfRunning);
3938	+	checkCancelled(f);
3939	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3940	+	checkCompletedWithWrappedCancellationException(src);
3941	+	CompletableFuture<?> dep = fun.apply(src);
3942	+	checkCompletedWithWrappedCancellationException(dep);
3943	+	assertSame(resultOf(src), resultOf(dep));
3944	+	}
3945	+
3946	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3947	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3948	+	fun : funs) {
3949	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3950	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3951	+	CompletableFuture<?> dep = fun.apply(src);
3952	+	f.cancel(mayInterruptIfRunning);
3953	+	checkCancelled(f);
3954	+	checkCompletedWithWrappedCancellationException(src);
3955	+	checkCompletedWithWrappedCancellationException(dep);
3956	+	assertSame(resultOf(src), resultOf(dep));
3957	+	}
3958	+	}}
3959	+
3960	+	/**
3961	+	* Minimal completion stages throw UOE for most non-CompletionStage methods
3962	+	*/
3963	+	public void testMinimalCompletionStage_minimality() {
3964	+	if (!testImplementationDetails) return;
3965	+	Function<Method, String> toSignature =
3966	+	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3967	+	Predicate<Method> isNotStatic =
3968	+	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3969	+	List<Method> minimalMethods =
3970	+	Stream.of(Object.class, CompletionStage.class)
3971	+	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3972	+	.filter(isNotStatic)
3973	+	.collect(Collectors.toList());
3974	+	// Methods from CompletableFuture permitted NOT to throw UOE
3975	+	String[] signatureWhitelist = {
3976	+	"newIncompleteFuture[]",
3977	+	"defaultExecutor[]",
3978	+	"minimalCompletionStage[]",
3979	+	"copy[]",
3980	+	};
3981	+	Set<String> permittedMethodSignatures =
3982	+	Stream.concat(minimalMethods.stream().map(toSignature),
3983	+	Stream.of(signatureWhitelist))
3984	+	.collect(Collectors.toSet());
3985	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3986	+	.filter(isNotStatic)
3987	+	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3988	+	.collect(Collectors.toList());
3989	+
3990	+	List<CompletionStage<Integer>> stages = new ArrayList<>();
3991	+	CompletionStage<Integer> min =
3992	+	new CompletableFuture<Integer>().minimalCompletionStage();
3993	+	stages.add(min);
3994	+	stages.add(min.thenApply(x -> x));
3995	+	stages.add(CompletableFuture.completedStage(1));
3996	+	stages.add(CompletableFuture.failedStage(new CFException()));
3997	+
3998	+	List<Method> bugs = new ArrayList<>();
3999	+	for (Method method : allMethods) {
4000	+	Class<?>[] parameterTypes = method.getParameterTypes();
4001	+	Object[] args = new Object[parameterTypes.length];
4002	+	// Manufacture boxed primitives for primitive params
4003	+	for (int i = 0; i < args.length; i++) {
4004	+	Class<?> type = parameterTypes[i];
4005	+	if (parameterTypes[i] == boolean.class)
4006	+	args[i] = false;
4007	+	else if (parameterTypes[i] == int.class)
4008	+	args[i] = 0;
4009	+	else if (parameterTypes[i] == long.class)
4010	+	args[i] = 0L;
4011	+	}
4012	+	for (CompletionStage<Integer> stage : stages) {
4013	+	try {
4014	+	method.invoke(stage, args);
4015	+	bugs.add(method);
4016	+	}
4017	+	catch (java.lang.reflect.InvocationTargetException expected) {
4018	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4019	+	bugs.add(method);
4020	+	// expected.getCause().printStackTrace();
4021	+	}
4022	+	}
4023	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4024	+	}
4025	+	}
4026	+	if (!bugs.isEmpty())
4027	+	throw new Error("Methods did not throw UOE: " + bugs);
4028	+	}
4029	+
4030	+	/**
4031	+	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4032	+	* is completed normally, with the same value, when source is.
4033	+	*/
4034	+	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4035		for (boolean createIncomplete : new boolean[] { true, false })
4036		for (Integer v1 : new Integer[] { 1, null })
4037		{
4038	<	final AtomicInteger a = new AtomicInteger(0);
4039	<	final CFException ex = new CFException();
4040	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4041	<	if (!createIncomplete) f.completeExceptionally(ex);
4042	<	final CompletableFuture<Integer> g = m.whenComplete
4043	<	(f,
4044	<	(Integer x, Throwable t) -> {
4045	<	threadAssertNull(x);
4046	<	threadAssertSame(t, ex);
4047	<	a.getAndIncrement();
4048	<	});
3346	<	if (createIncomplete) f.completeExceptionally(ex);
3347	<	checkCompletedWithWrappedCFException(f, ex);
3348	<	checkCompletedWithWrappedCFException(g, ex);
3349	<	assertEquals(1, a.get());
4038	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4039	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4040	>	if (!createIncomplete) assertTrue(f.complete(v1));
4041	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4042	>	if (createIncomplete) {
4043	>	checkIncomplete(f);
4044	>	checkIncomplete(g);
4045	>	assertTrue(f.complete(v1));
4046	>	}
4047	>	checkCompletedNormally(f, v1);
4048	>	checkCompletedNormally(g, v1);
4049		}}
4050
4051		/**
4052	<	* whenComplete action executes on cancelled source, propagating
4053	<	* CancellationException.
4052	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4053	>	* is completed exceptionally when source is.
4054		*/
4055	<	public void testWhenComplete_sourceCancelled() {
3357	<	for (ExecutionMode m : ExecutionMode.values())
3358	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4055	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4056		for (boolean createIncomplete : new boolean[] { true, false })
4057		{
4058	<	final AtomicInteger a = new AtomicInteger(0);
4059	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4060	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
4061	<	final CompletableFuture<Integer> g = m.whenComplete
4062	<	(f,
4063	<	(Integer x, Throwable t) -> {
4064	<	threadAssertNull(x);
4065	<	threadAssertTrue(t instanceof CancellationException);
4066	<	a.getAndIncrement();
4067	<	});
4068	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
4058	>	CFException ex = new CFException();
4059	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4060	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4061	>	if (!createIncomplete) f.completeExceptionally(ex);
4062	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4063	>	if (createIncomplete) {
4064	>	checkIncomplete(f);
4065	>	checkIncomplete(g);
4066	>	f.completeExceptionally(ex);
4067	>	}
4068	>	checkCompletedExceptionally(f, ex);
4069	>	checkCompletedWithWrappedException(g, ex);
4070	>	}}
4071
4072	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
4073	<	checkCompletedWithWrappedCancellationException(g);
4074	<	checkCancelled(f);
4075	<	assertEquals(1, a.get());
4072	>	/**
4073	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4074	>	*/
4075	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4076	>	for (Integer v1 : new Integer[] { 1, null })
4077	>	{
4078	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4079	>	CompletionStage minimal = f.minimalCompletionStage();
4080	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4081	>	assertTrue(g.complete(v1));
4082	>	checkCompletedNormally(g, v1);
4083	>	checkIncomplete(f);
4084	>	checkIncomplete(minimal.toCompletableFuture());
4085		}}
4086
4087		/**
4088	<	* If a whenComplete action throws an exception when triggered by
3381	<	* a normal completion, it completes exceptionally
4088	>	* minimalStage.toCompletableFuture().join() awaits completion
4089		*/
4090	<	public void testWhenComplete_actionFailed() {
4090	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4091		for (boolean createIncomplete : new boolean[] { true, false })
3385	–	for (ExecutionMode m : ExecutionMode.values())
4092		for (Integer v1 : new Integer[] { 1, null })
4093		{
4094	<	final AtomicInteger a = new AtomicInteger(0);
4095	<	final CFException ex = new CFException();
4096	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4097	<	if (!createIncomplete) f.complete(v1);
4098	<	final CompletableFuture<Integer> g = m.whenComplete
4099	<	(f,
4100	<	(Integer x, Throwable t) -> {
3395	<	threadAssertSame(x, v1);
3396	<	threadAssertNull(t);
3397	<	a.getAndIncrement();
3398	<	throw ex;
3399	<	});
3400	<	if (createIncomplete) f.complete(v1);
3401	<	checkCompletedNormally(f, v1);
3402	<	checkCompletedWithWrappedCFException(g, ex);
3403	<	assertEquals(1, a.get());
4094	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4095	>	if (!createIncomplete) assertTrue(f.complete(v1));
4096	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4097	>	if (createIncomplete) assertTrue(f.complete(v1));
4098	>	assertEquals(v1, minimal.toCompletableFuture().join());
4099	>	assertEquals(v1, minimal.toCompletableFuture().get());
4100	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4101		}}
4102
4103		/**
4104	<	* If a whenComplete action throws an exception when triggered by
4105	<	* a source completion that also throws an exception, the source
4106	<	* exception takes precedence.
4104	>	* Completion of a toCompletableFuture copy of a minimal stage
4105	>	* does not complete its source.
4106	>	*/
4107	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4108	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4109	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4110	>	assertTrue(g.toCompletableFuture().complete(1));
4111	>	assertTrue(g.toCompletableFuture().complete(null));
4112	>	assertTrue(g.toCompletableFuture().cancel(true));
4113	>	assertTrue(g.toCompletableFuture().cancel(false));
4114	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4115	>	checkIncomplete(g.toCompletableFuture());
4116	>	f.complete(1);
4117	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4118	>	}
4119	>
4120	>	/** Demo utility method for external reliable toCompletableFuture */
4121	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4122	>	CompletableFuture<T> f = new CompletableFuture<>();
4123	>	stage.handle((T t, Throwable ex) -> {
4124	>	if (ex != null) f.completeExceptionally(ex);
4125	>	else f.complete(t);
4126	>	return null;
4127	>	});
4128	>	return f;
4129	>	}
4130	>
4131	>	/** Demo utility method to join a CompletionStage */
4132	>	static <T> T join(CompletionStage<T> stage) {
4133	>	return toCompletableFuture(stage).join();
4134	>	}
4135	>
4136	>	/**
4137	>	* Joining a minimal stage "by hand" works
4138		*/
4139	<	public void testWhenComplete_actionFailedSourceFailed() {
4139	>	public void testMinimalCompletionStage_join_by_hand() {
4140		for (boolean createIncomplete : new boolean[] { true, false })
3413	–	for (ExecutionMode m : ExecutionMode.values())
4141		for (Integer v1 : new Integer[] { 1, null })
4142		{
4143	<	final AtomicInteger a = new AtomicInteger(0);
4144	<	final CFException ex1 = new CFException();
4145	<	final CFException ex2 = new CFException();
4146	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4143	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4144	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4145	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4146	>	if (!createIncomplete) assertTrue(f.complete(v1));
4147	>	minimal.thenAccept(x -> g.complete(x));
4148	>	if (createIncomplete) assertTrue(f.complete(v1));
4149	>	g.join();
4150	>	checkCompletedNormally(g, v1);
4151	>	checkCompletedNormally(f, v1);
4152	>	assertEquals(v1, join(minimal));
4153	>	}}
4154
4155	<	if (!createIncomplete) f.completeExceptionally(ex1);
4156	<	final CompletableFuture<Integer> g = m.whenComplete
4157	<	(f,
4158	<	(Integer x, Throwable t) -> {
4159	<	threadAssertSame(t, ex1);
4160	<	threadAssertNull(x);
4161	<	a.getAndIncrement();
4162	<	throw ex2;
4163	<	});
4164	<	if (createIncomplete) f.completeExceptionally(ex1);
4155	>	static class Monad {
4156	>	static class ZeroException extends RuntimeException {
4157	>	public ZeroException() { super("monadic zero"); }
4158	>	}
4159	>	// "return", "unit"
4160	>	static <T> CompletableFuture<T> unit(T value) {
4161	>	return completedFuture(value);
4162	>	}
4163	>	// monadic zero ?
4164	>	static <T> CompletableFuture<T> zero() {
4165	>	return failedFuture(new ZeroException());
4166	>	}
4167	>	// >=>
4168	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4169	>	(Function<T, CompletableFuture<U>> f,
4170	>	Function<U, CompletableFuture<V>> g) {
4171	>	return x -> f.apply(x).thenCompose(g);
4172	>	}
4173
4174	<	checkCompletedWithWrappedCFException(f, ex1);
4175	<	checkCompletedWithWrappedCFException(g, ex1);
4176	<	assertEquals(1, a.get());
4174	>	static void assertZero(CompletableFuture<?> f) {
4175	>	try {
4176	>	f.getNow(null);
4177	>	throw new AssertionFailedError("should throw");
4178	>	} catch (CompletionException success) {
4179	>	assertTrue(success.getCause() instanceof ZeroException);
4180	>	}
4181	>	}
4182	>
4183	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4184	>	CompletableFuture<T> g) {
4185	>	T fval = null, gval = null;
4186	>	Throwable fex = null, gex = null;
4187	>
4188	>	try { fval = f.get(); }
4189	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4190	>	catch (Throwable ex) { fex = ex; }
4191	>
4192	>	try { gval = g.get(); }
4193	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4194	>	catch (Throwable ex) { gex = ex; }
4195	>
4196	>	if (fex != null || gex != null)
4197	>	assertSame(fex.getClass(), gex.getClass());
4198	>	else
4199	>	assertEquals(fval, gval);
4200	>	}
4201	>
4202	>	static class PlusFuture<T> extends CompletableFuture<T> {
4203	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4204	>	}
4205	>
4206	>	/** Implements "monadic plus". */
4207	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4208	>	CompletableFuture<? extends T> g) {
4209	>	PlusFuture<T> plus = new PlusFuture<T>();
4210	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4211	>	try {
4212	>	if (ex == null) {
4213	>	if (plus.complete(result))
4214	>	if (plus.firstFailure.get() != null)
4215	>	plus.firstFailure.set(null);
4216	>	}
4217	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4218	>	if (plus.isDone())
4219	>	plus.firstFailure.set(null);
4220	>	}
4221	>	else {
4222	>	// first failure has precedence
4223	>	Throwable first = plus.firstFailure.getAndSet(null);
4224	>
4225	>	// may fail with "Self-suppression not permitted"
4226	>	try { first.addSuppressed(ex); }
4227	>	catch (Exception ignored) {}
4228	>
4229	>	plus.completeExceptionally(first);
4230	>	}
4231	>	} catch (Throwable unexpected) {
4232	>	plus.completeExceptionally(unexpected);
4233	>	}
4234	>	};
4235	>	f.whenComplete(action);
4236	>	g.whenComplete(action);
4237	>	return plus;
4238	>	}
4239	>	}
4240	>
4241	>	/**
4242	>	* CompletableFuture is an additive monad - sort of.
4243	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4244	>	*/
4245	>	public void testAdditiveMonad() throws Throwable {
4246	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4247	>	CompletableFuture<Long> zero = Monad.zero();
4248	>
4249	>	// Some mutually non-commutative functions
4250	>	Function<Long, CompletableFuture<Long>> triple
4251	>	= x -> Monad.unit(3 * x);
4252	>	Function<Long, CompletableFuture<Long>> inc
4253	>	= x -> Monad.unit(x + 1);
4254	>
4255	>	// unit is a right identity: m >>= unit === m
4256	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4257	>	inc.apply(5L));
4258	>	// unit is a left identity: (unit x) >>= f === f x
4259	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4260	>	inc.apply(5L));
4261	>
4262	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4263	>	Monad.assertFutureEquals(
4264	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4265	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4266	>
4267	>	// The case for CompletableFuture as an additive monad is weaker...
4268	>
4269	>	// zero is a monadic zero
4270	>	Monad.assertZero(zero);
4271	>
4272	>	// left zero: zero >>= f === zero
4273	>	Monad.assertZero(zero.thenCompose(inc));
4274	>	// right zero: f >>= (\x -> zero) === zero
4275	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4276	>
4277	>	// f plus zero === f
4278	>	Monad.assertFutureEquals(Monad.unit(5L),
4279	>	Monad.plus(Monad.unit(5L), zero));
4280	>	// zero plus f === f
4281	>	Monad.assertFutureEquals(Monad.unit(5L),
4282	>	Monad.plus(zero, Monad.unit(5L)));
4283	>	// zero plus zero === zero
4284	>	Monad.assertZero(Monad.plus(zero, zero));
4285	>	{
4286	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4287	>	Monad.unit(8L));
4288	>	// non-determinism
4289	>	assertTrue(f.get() == 5L || f.get() == 8L);
4290	>	}
4291	>
4292	>	CompletableFuture<Long> godot = new CompletableFuture<>();
4293	>	// f plus godot === f (doesn't wait for godot)
4294	>	Monad.assertFutureEquals(Monad.unit(5L),
4295	>	Monad.plus(Monad.unit(5L), godot));
4296	>	// godot plus f === f (doesn't wait for godot)
4297	>	Monad.assertFutureEquals(Monad.unit(5L),
4298	>	Monad.plus(godot, Monad.unit(5L)));
4299	>	}
4300	>
4301	>	/** Test long recursive chains of CompletableFutures with cascading completions */
4302	>	public void testRecursiveChains() throws Throwable {
4303	>	for (ExecutionMode m : ExecutionMode.values())
4304	>	for (boolean addDeadEnds : new boolean[] { true, false })
4305	>	{
4306	>	final int val = 42;
4307	>	final int n = expensiveTests ? 1_000 : 2;
4308	>	CompletableFuture<Integer> head = new CompletableFuture<>();
4309	>	CompletableFuture<Integer> tail = head;
4310	>	for (int i = 0; i < n; i++) {
4311	>	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4312	>	tail = m.thenApply(tail, v -> v + 1);
4313	>	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4314	>	tail = m.applyToEither(tail, tail, v -> v + 1);
4315	>	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4316	>	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4317	>	}
4318	>	head.complete(val);
4319	>	assertEquals(val + 3 * n, (int) tail.join());
4320		}}
4321
4322	+	/**
4323	+	* A single CompletableFuture with many dependents.
4324	+	* A demo of scalability - runtime is O(n).
4325	+	*/
4326	+	public void testManyDependents() throws Throwable {
4327	+	final int n = expensiveTests ? 1_000_000 : 10;
4328	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4329	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4330	+	final AtomicInteger count = new AtomicInteger(0);
4331	+	for (int i = 0; i < n; i++) {
4332	+	head.thenRun(() -> count.getAndIncrement());
4333	+	head.thenAccept(x -> count.getAndIncrement());
4334	+	head.thenApply(x -> count.getAndIncrement());
4335	+
4336	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4337	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4338	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4339	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4340	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4341	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4342	+
4343	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4344	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4345	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4346	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4347	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4348	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4349	+	}
4350	+	head.complete(null);
4351	+	assertEquals(5 * 3 * n, count.get());
4352	+	}
4353	+
4354	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4355	+	public void testCoCompletionGarbageRetention() throws Throwable {
4356	+	final int n = expensiveTests ? 1_000_000 : 10;
4357	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4358	+	CompletableFuture<Integer> f;
4359	+	for (int i = 0; i < n; i++) {
4360	+	f = new CompletableFuture<>();
4361	+	f.runAfterEither(incomplete, () -> {});
4362	+	f.complete(null);
4363	+
4364	+	f = new CompletableFuture<>();
4365	+	f.acceptEither(incomplete, x -> {});
4366	+	f.complete(null);
4367	+
4368	+	f = new CompletableFuture<>();
4369	+	f.applyToEither(incomplete, x -> x);
4370	+	f.complete(null);
4371	+
4372	+	f = new CompletableFuture<>();
4373	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4374	+	f.complete(null);
4375	+	}
4376	+
4377	+	for (int i = 0; i < n; i++) {
4378	+	f = new CompletableFuture<>();
4379	+	incomplete.runAfterEither(f, () -> {});
4380	+	f.complete(null);
4381	+
4382	+	f = new CompletableFuture<>();
4383	+	incomplete.acceptEither(f, x -> {});
4384	+	f.complete(null);
4385	+
4386	+	f = new CompletableFuture<>();
4387	+	incomplete.applyToEither(f, x -> x);
4388	+	f.complete(null);
4389	+
4390	+	f = new CompletableFuture<>();
4391	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4392	+	f.complete(null);
4393	+	}
4394	+	}
4395	+
4396	+	/**
4397	+	* Reproduction recipe for:
4398	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4399	+	* cvs update -D '2016-05-01' ./src/main/java/util/concurrent/CompletableFuture.java && ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testAnyOfGarbageRetention tck; cvs update -A
4400	+	*/
4401	+	public void testAnyOfGarbageRetention() throws Throwable {
4402	+	for (Integer v : new Integer[] { 1, null })
4403	+	{
4404	+	final int n = expensiveTests ? 100_000 : 10;
4405	+	CompletableFuture<Integer>[] fs
4406	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4407	+	for (int i = 0; i < fs.length; i++)
4408	+	fs[i] = new CompletableFuture<>();
4409	+	fs[fs.length - 1].complete(v);
4410	+	for (int i = 0; i < n; i++)
4411	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4412	+	}}
4413	+
4414	+	/**
4415	+	* Checks for garbage retention with allOf.
4416	+	*
4417	+	* As of 2016-07, fails with OOME:
4418	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4419	+	*/
4420	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4421	+	final int n = expensiveTests ? 100_000 : 10;
4422	+	CompletableFuture<Integer>[] fs
4423	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4424	+	for (int i = 0; i < fs.length; i++)
4425	+	fs[i] = new CompletableFuture<>();
4426	+	for (int i = 0; i < n; i++)
4427	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4428	+	}
4429	+
4430	+	/**
4431	+	* Checks for garbage retention when a dependent future is
4432	+	* cancelled and garbage-collected.
4433	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4434	+	*
4435	+	* As of 2016-07, fails with OOME:
4436	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4437	+	*/
4438	+	public void testCancelledGarbageRetention() throws Throwable {
4439	+	final int n = expensiveTests ? 100_000 : 10;
4440	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4441	+	for (int i = 0; i < n; i++)
4442	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4443	+	}
4444	+
4445	+	/**
4446	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4447	+	* is invoked many times.
4448	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4449	+	*
4450	+	* As of 2016-07, fails with OOME:
4451	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4452	+	*/
4453	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4454	+	final int n = expensiveTests ? 900_000 : 10;
4455	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4456	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4457	+	for (int i = 0; i < n; i++)
4458	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4459	+	}
4460	+
4461	+	//     static <U> U join(CompletionStage<U> stage) {
4462	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4463	+	//         stage.whenComplete((v, ex) -> {
4464	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4465	+	//         });
4466	+	//         return f.join();
4467	+	//     }
4468	+
4469	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4470	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4471	+	//         stage.whenComplete((v, ex) -> {
4472	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4473	+	//         });
4474	+	//         return f.isDone();
4475	+	//     }
4476	+
4477	+	//     static <U> U join2(CompletionStage<U> stage) {
4478	+	//         return stage.toCompletableFuture().copy().join();
4479	+	//     }
4480	+
4481	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4482	+	//         return stage.toCompletableFuture().copy().isDone();
4483	+	//     }
4484	+
4485		}

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