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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.47 by jsr166, Mon Jun 2 18:21:34 2014 UTC vs.
Revision 1.188 by jsr166, Wed Aug 16 17:18:34 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;
23	<	import static java.util.concurrent.TimeUnit.SECONDS;
24	<	import java.util.*;
25	<	import java.util.function.Supplier;
26	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
28	–	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 42 | 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().matches(".*\\[.*Not completed.*\\]"));
63		try {
64		assertNull(f.getNow(null));
65		} catch (Throwable fail) { threadUnexpectedException(fail); }
66		try {
67	<	f.get(0L, SECONDS);
67	>	f.get(randomExpiredTimeout(), randomTimeUnit());
68		shouldThrow();
69		}
70		catch (TimeoutException success) {}
#	Line 55 | 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));
60	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
63	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
64	–	try {
79		assertEquals(value, f.getNow(null));
66	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
67	–	try {
80		assertEquals(value, f.get());
81		} catch (Throwable fail) { threadUnexpectedException(fail); }
82		assertTrue(f.isDone());
83		assertFalse(f.isCancelled());
84		assertFalse(f.isCompletedExceptionally());
85	<	assertTrue(f.toString().contains("[Completed normally]"));
85	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
86		}
87
88	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
89	<	try {
90	<	f.get(LONG_DELAY_MS, MILLISECONDS);
91	<	shouldThrow();
92	<	} catch (ExecutionException success) {
93	<	assertTrue(success.getCause() instanceof CFException);
94	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
95	<	try {
84	<	f.join();
85	<	shouldThrow();
86	<	} catch (CompletionException success) {
87	<	assertTrue(success.getCause() instanceof CFException);
88	<	}
89	<	try {
90	<	f.getNow(null);
91	<	shouldThrow();
92	<	} catch (CompletionException success) {
93	<	assertTrue(success.getCause() instanceof CFException);
94	<	}
95	<	try {
96	<	f.get();
97	<	shouldThrow();
98	<	} catch (ExecutionException success) {
99	<	assertTrue(success.getCause() instanceof CFException);
100	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
101	<	assertTrue(f.isDone());
102	<	assertFalse(f.isCancelled());
103	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
88	>	/**
89	>	* Returns the "raw" internal exceptional completion of f,
90	>	* without any additional wrapping with CompletionException.
91	>	*/
92	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
93	>	// handle (and whenComplete and exceptionally) can distinguish
94	>	// between "direct" and "wrapped" exceptional completion
95	>	return f.handle((u, t) -> t).join();
96		}
97
98	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
99	<	CFException ex) {
98	>	void checkCompletedExceptionally(CompletableFuture<?> f,
99	>	boolean wrapped,
100	>	Consumer<Throwable> checker) {
101	>	Throwable cause = exceptionalCompletion(f);
102	>	if (wrapped) {
103	>	assertTrue(cause instanceof CompletionException);
104	>	cause = cause.getCause();
105	>	}
106	>	checker.accept(cause);
107	>
108	>	long startTime = System.nanoTime();
109		try {
110		f.get(LONG_DELAY_MS, MILLISECONDS);
111		shouldThrow();
112		} catch (ExecutionException success) {
113	<	assertSame(ex, success.getCause());
113	>	assertSame(cause, success.getCause());
114		} catch (Throwable fail) { threadUnexpectedException(fail); }
115	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
116	+
117		try {
118		f.join();
119		shouldThrow();
120		} catch (CompletionException success) {
121	<	assertSame(ex, success.getCause());
122	<	}
121	>	assertSame(cause, success.getCause());
122	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
123	>
124		try {
125		f.getNow(null);
126		shouldThrow();
127		} catch (CompletionException success) {
128	<	assertSame(ex, success.getCause());
129	<	}
128	>	assertSame(cause, success.getCause());
129	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
130	>
131		try {
132		f.get();
133		shouldThrow();
134		} catch (ExecutionException success) {
135	<	assertSame(ex, success.getCause());
135	>	assertSame(cause, success.getCause());
136		} catch (Throwable fail) { threadUnexpectedException(fail); }
137	<	assertTrue(f.isDone());
137	>
138		assertFalse(f.isCancelled());
139	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
139	>	assertTrue(f.isDone());
140	>	assertTrue(f.isCompletedExceptionally());
141	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
142	>	}
143	>
144	>	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
145	>	checkCompletedExceptionally(f, true,
146	>	t -> assertTrue(t instanceof CFException));
147	>	}
148	>
149	>	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
150	>	checkCompletedExceptionally(f, true,
151	>	t -> assertTrue(t instanceof CancellationException));
152	>	}
153	>
154	>	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
155	>	checkCompletedExceptionally(f, false,
156	>	t -> assertTrue(t instanceof TimeoutException));
157	>	}
158	>
159	>	void checkCompletedWithWrappedException(CompletableFuture<?> f,
160	>	Throwable ex) {
161	>	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
162	>	}
163	>
164	>	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
165	>	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
166		}
167
168		void checkCancelled(CompletableFuture<?> f) {
169	+	long startTime = System.nanoTime();
170		try {
171		f.get(LONG_DELAY_MS, MILLISECONDS);
172		shouldThrow();
173		} catch (CancellationException success) {
174		} catch (Throwable fail) { threadUnexpectedException(fail); }
175	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
176	+
177		try {
178		f.join();
179		shouldThrow();
#	Line 153 | Line 187 | public class CompletableFutureTest exten
187		shouldThrow();
188		} catch (CancellationException success) {
189		} catch (Throwable fail) { threadUnexpectedException(fail); }
156	–	assertTrue(f.isDone());
157	–	assertTrue(f.isCompletedExceptionally());
158	–	assertTrue(f.isCancelled());
159	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
160	–	}
190
191	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
192	<	try {
164	<	f.get(LONG_DELAY_MS, MILLISECONDS);
165	<	shouldThrow();
166	<	} catch (ExecutionException success) {
167	<	assertTrue(success.getCause() instanceof CancellationException);
168	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
169	<	try {
170	<	f.join();
171	<	shouldThrow();
172	<	} catch (CompletionException success) {
173	<	assertTrue(success.getCause() instanceof CancellationException);
174	<	}
175	<	try {
176	<	f.getNow(null);
177	<	shouldThrow();
178	<	} catch (CompletionException success) {
179	<	assertTrue(success.getCause() instanceof CancellationException);
180	<	}
181	<	try {
182	<	f.get();
183	<	shouldThrow();
184	<	} catch (ExecutionException success) {
185	<	assertTrue(success.getCause() instanceof CancellationException);
186	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
191	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
192	>
193		assertTrue(f.isDone());
188	–	assertFalse(f.isCancelled());
194		assertTrue(f.isCompletedExceptionally());
195	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
195	>	assertTrue(f.isCancelled());
196	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
197		}
198
199		/**
#	Line 204 | Line 210 | public class CompletableFutureTest exten
210		* isCancelled, join, get, and getNow
211		*/
212		public void testComplete() {
213	+	for (Integer v1 : new Integer[] { 1, null })
214	+	{
215		CompletableFuture<Integer> f = new CompletableFuture<>();
216		checkIncomplete(f);
217	<	f.complete(one);
218	<	checkCompletedNormally(f, one);
219	<	}
217	>	assertTrue(f.complete(v1));
218	>	assertFalse(f.complete(v1));
219	>	checkCompletedNormally(f, v1);
220	>	}}
221
222		/**
223		* completeExceptionally completes exceptionally, as indicated by
#	Line 216 | Line 225 | public class CompletableFutureTest exten
225		*/
226		public void testCompleteExceptionally() {
227		CompletableFuture<Integer> f = new CompletableFuture<>();
228	+	CFException ex = new CFException();
229		checkIncomplete(f);
230	<	f.completeExceptionally(new CFException());
231	<	checkCompletedWithWrappedCFException(f);
230	>	f.completeExceptionally(ex);
231	>	checkCompletedExceptionally(f, ex);
232		}
233
234		/**
#	Line 226 | Line 236 | public class CompletableFutureTest exten
236		* methods isDone, isCancelled, join, get, and getNow
237		*/
238		public void testCancel() {
239	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
240	+	{
241		CompletableFuture<Integer> f = new CompletableFuture<>();
242		checkIncomplete(f);
243	<	assertTrue(f.cancel(true));
243	>	assertTrue(f.cancel(mayInterruptIfRunning));
244	>	assertTrue(f.cancel(mayInterruptIfRunning));
245	>	assertTrue(f.cancel(!mayInterruptIfRunning));
246		checkCancelled(f);
247	<	}
247	>	}}
248
249		/**
250		* obtrudeValue forces completion with given value
#	Line 238 | Line 252 | public class CompletableFutureTest exten
252		public void testObtrudeValue() {
253		CompletableFuture<Integer> f = new CompletableFuture<>();
254		checkIncomplete(f);
255	<	f.complete(one);
255	>	assertTrue(f.complete(one));
256		checkCompletedNormally(f, one);
257		f.obtrudeValue(three);
258		checkCompletedNormally(f, three);
#	Line 259 | Line 273 | public class CompletableFutureTest exten
273		* obtrudeException forces completion with given exception
274		*/
275		public void testObtrudeException() {
276	<	CompletableFuture<Integer> f = new CompletableFuture<>();
277	<	checkIncomplete(f);
278	<	f.complete(one);
279	<	checkCompletedNormally(f, one);
280	<	f.obtrudeException(new CFException());
267	<	checkCompletedWithWrappedCFException(f);
276	>	for (Integer v1 : new Integer[] { 1, null })
277	>	{
278	>	CFException ex;
279	>	CompletableFuture<Integer> f;
280	>
281		f = new CompletableFuture<>();
282	<	f.obtrudeException(new CFException());
283	<	checkCompletedWithWrappedCFException(f);
282	>	assertTrue(f.complete(v1));
283	>	for (int i = 0; i < 2; i++) {
284	>	f.obtrudeException(ex = new CFException());
285	>	checkCompletedExceptionally(f, ex);
286	>	}
287	>
288	>	f = new CompletableFuture<>();
289	>	for (int i = 0; i < 2; i++) {
290	>	f.obtrudeException(ex = new CFException());
291	>	checkCompletedExceptionally(f, ex);
292	>	}
293	>
294		f = new CompletableFuture<>();
295	+	f.completeExceptionally(ex = new CFException());
296	+	f.obtrudeValue(v1);
297	+	checkCompletedNormally(f, v1);
298	+	f.obtrudeException(ex = new CFException());
299	+	checkCompletedExceptionally(f, ex);
300		f.completeExceptionally(new CFException());
301	<	f.obtrudeValue(four);
302	<	checkCompletedNormally(f, four);
303	<	f.obtrudeException(new CFException());
304	<	checkCompletedWithWrappedCFException(f);
277	<	}
301	>	checkCompletedExceptionally(f, ex);
302	>	assertFalse(f.complete(v1));
303	>	checkCompletedExceptionally(f, ex);
304	>	}}
305
306		/**
307		* getNumberOfDependents returns number of dependent tasks
308		*/
309		public void testGetNumberOfDependents() {
310	+	for (ExecutionMode m : ExecutionMode.values())
311	+	for (Integer v1 : new Integer[] { 1, null })
312	+	{
313		CompletableFuture<Integer> f = new CompletableFuture<>();
314		assertEquals(0, f.getNumberOfDependents());
315	<	CompletableFuture g = f.thenRun(new Noop());
315	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
316		assertEquals(1, f.getNumberOfDependents());
317		assertEquals(0, g.getNumberOfDependents());
318	<	CompletableFuture h = f.thenRun(new Noop());
318	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
319		assertEquals(2, f.getNumberOfDependents());
320	<	f.complete(1);
320	>	assertEquals(0, h.getNumberOfDependents());
321	>	assertTrue(f.complete(v1));
322		checkCompletedNormally(g, null);
323	+	checkCompletedNormally(h, null);
324		assertEquals(0, f.getNumberOfDependents());
325		assertEquals(0, g.getNumberOfDependents());
326	<	}
326	>	assertEquals(0, h.getNumberOfDependents());
327	>	}}
328
329		/**
330		* toString indicates current completion state
331		*/
332	<	public void testToString() {
333	<	CompletableFuture<String> f;
334	<
335	<	f = new CompletableFuture<String>();
336	<	assertTrue(f.toString().contains("[Not completed]"));
337	<
338	<	f.complete("foo");
339	<	assertTrue(f.toString().contains("[Completed normally]"));
340	<
341	<	f = new CompletableFuture<String>();
342	<	f.completeExceptionally(new IndexOutOfBoundsException());
343	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
332	>	public void testToString_incomplete() {
333	>	CompletableFuture<String> f = new CompletableFuture<String>();
334	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
335	>	if (testImplementationDetails)
336	>	assertEquals(identityString(f) + "[Not completed]",
337	>	f.toString());
338	>	}
339	>
340	>	public void testToString_normal() {
341	>	CompletableFuture<String> f = new CompletableFuture<String>();
342	>	assertTrue(f.complete("foo"));
343	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
344	>	if (testImplementationDetails)
345	>	assertEquals(identityString(f) + "[Completed normally]",
346	>	f.toString());
347	>	}
348	>
349	>	public void testToString_exception() {
350	>	CompletableFuture<String> f = new CompletableFuture<String>();
351	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
352	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
353	>	if (testImplementationDetails)
354	>	assertTrue(f.toString().startsWith(
355	>	identityString(f) + "[Completed exceptionally: "));
356	>	}
357	>
358	>	public void testToString_cancelled() {
359	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
360	>	CompletableFuture<String> f = new CompletableFuture<String>();
361	>	assertTrue(f.cancel(mayInterruptIfRunning));
362	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
363	>	if (testImplementationDetails)
364	>	assertTrue(f.toString().startsWith(
365	>	identityString(f) + "[Completed exceptionally: "));
366	>	}
367		}
368
369		/**
#	Line 318 | Line 374 | public class CompletableFutureTest exten
374		checkCompletedNormally(f, "test");
375		}
376
377	<	// Choose non-commutative actions for better coverage
377	>	abstract static class CheckedAction {
378	>	int invocationCount = 0;
379	>	final ExecutionMode m;
380	>	CheckedAction(ExecutionMode m) { this.m = m; }
381	>	void invoked() {
382	>	m.checkExecutionMode();
383	>	assertEquals(0, invocationCount++);
384	>	}
385	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
386	>	void assertInvoked() { assertEquals(1, invocationCount); }
387	>	}
388
389	<	// A non-commutative function that handles and produces null values as well.
390	<	static Integer subtract(Integer x, Integer y) {
391	<	return (x == null && y == null) ? null :
392	<	((x == null) ? 42 : x.intValue())
393	<	- ((y == null) ? 99 : y.intValue());
389	>	abstract static class CheckedIntegerAction extends CheckedAction {
390	>	Integer value;
391	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
392	>	void assertValue(Integer expected) {
393	>	assertInvoked();
394	>	assertEquals(expected, value);
395	>	}
396	>	}
397	>
398	>	static class IntegerSupplier extends CheckedAction
399	>	implements Supplier<Integer>
400	>	{
401	>	final Integer value;
402	>	IntegerSupplier(ExecutionMode m, Integer value) {
403	>	super(m);
404	>	this.value = value;
405	>	}
406	>	public Integer get() {
407	>	invoked();
408	>	return value;
409	>	}
410		}
411
412		// A function that handles and produces null values as well.
#	Line 332 | Line 414 | public class CompletableFutureTest exten
414		return (x == null) ? null : x + 1;
415		}
416
417	<	static final Supplier<Integer> supplyOne =
418	<	() -> Integer.valueOf(1);
419	<	static final Function<Integer, Integer> inc =
420	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
339	<	static final BiFunction<Integer, Integer, Integer> subtract =
340	<	(Integer x, Integer y) -> subtract(x, y);
341	<	static final class IncAction implements Consumer<Integer> {
342	<	int invocationCount = 0;
343	<	Integer value;
417	>	static class NoopConsumer extends CheckedIntegerAction
418	>	implements Consumer<Integer>
419	>	{
420	>	NoopConsumer(ExecutionMode m) { super(m); }
421		public void accept(Integer x) {
422	<	invocationCount++;
423	<	value = inc(x);
422	>	invoked();
423	>	value = x;
424		}
425		}
426	<	static final class IncFunction implements Function<Integer,Integer> {
427	<	int invocationCount = 0;
428	<	Integer value;
426	>
427	>	static class IncFunction extends CheckedIntegerAction
428	>	implements Function<Integer,Integer>
429	>	{
430	>	IncFunction(ExecutionMode m) { super(m); }
431		public Integer apply(Integer x) {
432	<	invocationCount++;
432	>	invoked();
433		return value = inc(x);
434		}
435		}
436	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
437	<	int invocationCount = 0;
438	<	Integer value;
439	<	// Check this action was invoked exactly once when result is computed.
436	>
437	>	// Choose non-commutative actions for better coverage
438	>	// A non-commutative function that handles and produces null values as well.
439	>	static Integer subtract(Integer x, Integer y) {
440	>	return (x == null && y == null) ? null :
441	>	((x == null) ? 42 : x.intValue())
442	>	- ((y == null) ? 99 : y.intValue());
443	>	}
444	>
445	>	static class SubtractAction extends CheckedIntegerAction
446	>	implements BiConsumer<Integer, Integer>
447	>	{
448	>	SubtractAction(ExecutionMode m) { super(m); }
449		public void accept(Integer x, Integer y) {
450	<	invocationCount++;
450	>	invoked();
451		value = subtract(x, y);
452		}
453		}
454	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
455	<	int invocationCount = 0;
456	<	Integer value;
457	<	// Check this action was invoked exactly once when result is computed.
454	>
455	>	static class SubtractFunction extends CheckedIntegerAction
456	>	implements BiFunction<Integer, Integer, Integer>
457	>	{
458	>	SubtractFunction(ExecutionMode m) { super(m); }
459		public Integer apply(Integer x, Integer y) {
460	<	invocationCount++;
460	>	invoked();
461		return value = subtract(x, y);
462		}
463		}
464	<	static final class Noop implements Runnable {
465	<	int invocationCount = 0;
464	>
465	>	static class Noop extends CheckedAction implements Runnable {
466	>	Noop(ExecutionMode m) { super(m); }
467		public void run() {
468	<	invocationCount++;
468	>	invoked();
469		}
470		}
471
472	<	static final class FailingSupplier implements Supplier<Integer> {
473	<	int invocationCount = 0;
472	>	static class FailingSupplier extends CheckedAction
473	>	implements Supplier<Integer>
474	>	{
475	>	final CFException ex;
476	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
477		public Integer get() {
478	<	invocationCount++;
479	<	throw new CFException();
478	>	invoked();
479	>	throw ex;
480		}
481		}
482	<	static final class FailingConsumer implements Consumer<Integer> {
483	<	int invocationCount = 0;
482	>
483	>	static class FailingConsumer extends CheckedIntegerAction
484	>	implements Consumer<Integer>
485	>	{
486	>	final CFException ex;
487	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
488		public void accept(Integer x) {
489	<	invocationCount++;
490	<	throw new CFException();
489	>	invoked();
490	>	value = x;
491	>	throw ex;
492		}
493		}
494	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
495	<	int invocationCount = 0;
494	>
495	>	static class FailingBiConsumer extends CheckedIntegerAction
496	>	implements BiConsumer<Integer, Integer>
497	>	{
498	>	final CFException ex;
499	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
500		public void accept(Integer x, Integer y) {
501	<	invocationCount++;
502	<	throw new CFException();
501	>	invoked();
502	>	value = subtract(x, y);
503	>	throw ex;
504		}
505		}
506	<	static final class FailingFunction implements Function<Integer, Integer> {
507	<	int invocationCount = 0;
506	>
507	>	static class FailingFunction extends CheckedIntegerAction
508	>	implements Function<Integer, Integer>
509	>	{
510	>	final CFException ex;
511	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
512		public Integer apply(Integer x) {
513	<	invocationCount++;
514	<	throw new CFException();
513	>	invoked();
514	>	value = x;
515	>	throw ex;
516		}
517		}
518	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
519	<	int invocationCount = 0;
518	>
519	>	static class FailingBiFunction extends CheckedIntegerAction
520	>	implements BiFunction<Integer, Integer, Integer>
521	>	{
522	>	final CFException ex;
523	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
524		public Integer apply(Integer x, Integer y) {
525	<	invocationCount++;
526	<	throw new CFException();
525	>	invoked();
526	>	value = subtract(x, y);
527	>	throw ex;
528		}
529		}
530	<	static final class FailingNoop implements Runnable {
531	<	int invocationCount = 0;
530	>
531	>	static class FailingRunnable extends CheckedAction implements Runnable {
532	>	final CFException ex;
533	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
534		public void run() {
535	<	invocationCount++;
536	<	throw new CFException();
535	>	invoked();
536	>	throw ex;
537		}
538		}
539
540	<	static final class CompletableFutureInc
541	<	implements Function<Integer, CompletableFuture<Integer>> {
542	<	int invocationCount = 0;
540	>	static class CompletableFutureInc extends CheckedIntegerAction
541	>	implements Function<Integer, CompletableFuture<Integer>>
542	>	{
543	>	CompletableFutureInc(ExecutionMode m) { super(m); }
544		public CompletableFuture<Integer> apply(Integer x) {
545	<	invocationCount++;
545	>	invoked();
546	>	value = x;
547		CompletableFuture<Integer> f = new CompletableFuture<>();
548	<	f.complete(inc(x));
548	>	assertTrue(f.complete(inc(x)));
549		return f;
550		}
551		}
552
553	<	static final class FailingCompletableFutureFunction
554	<	implements Function<Integer, CompletableFuture<Integer>> {
555	<	int invocationCount = 0;
553	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
554	>	implements Function<Integer, CompletableFuture<Integer>>
555	>	{
556	>	final CFException ex;
557	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
558		public CompletableFuture<Integer> apply(Integer x) {
559	<	invocationCount++;
560	<	throw new CFException();
559	>	invoked();
560	>	value = x;
561	>	throw ex;
562	>	}
563	>	}
564	>
565	>	static class CountingRejectingExecutor implements Executor {
566	>	final RejectedExecutionException ex = new RejectedExecutionException();
567	>	final AtomicInteger count = new AtomicInteger(0);
568	>	public void execute(Runnable r) {
569	>	count.getAndIncrement();
570	>	throw ex;
571		}
572		}
573
574		// Used for explicit executor tests
575		static final class ThreadExecutor implements Executor {
576	<	AtomicInteger count = new AtomicInteger(0);
576	>	final AtomicInteger count = new AtomicInteger(0);
577	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
578	>	static boolean startedCurrentThread() {
579	>	return Thread.currentThread().getThreadGroup() == tg;
580	>	}
581
582		public void execute(Runnable r) {
583		count.getAndIncrement();
584	<	new Thread(r).start();
584	>	new Thread(tg, r).start();
585		}
586		}
587
588	+	static final boolean defaultExecutorIsCommonPool
589	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
590	+
591		/**
592		* Permits the testing of parallel code for the 3 different
593	<	* execution modes without repeating all the testing code.
593	>	* execution modes without copy/pasting all the test methods.
594		*/
595		enum ExecutionMode {
596	<	DEFAULT {
596	>	SYNC {
597	>	public void checkExecutionMode() {
598	>	assertFalse(ThreadExecutor.startedCurrentThread());
599	>	assertNull(ForkJoinTask.getPool());
600	>	}
601	>	public CompletableFuture<Void> runAsync(Runnable a) {
602	>	throw new UnsupportedOperationException();
603	>	}
604	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
605	>	throw new UnsupportedOperationException();
606	>	}
607		public <T> CompletableFuture<Void> thenRun
608		(CompletableFuture<T> f, Runnable a) {
609		return f.thenRun(a);
#	Line 521 | Line 667 | public class CompletableFutureTest exten
667		}
668		},
669
670	<	DEFAULT_ASYNC {
670	>	ASYNC {
671	>	public void checkExecutionMode() {
672	>	assertEquals(defaultExecutorIsCommonPool,
673	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
674	>	}
675	>	public CompletableFuture<Void> runAsync(Runnable a) {
676	>	return CompletableFuture.runAsync(a);
677	>	}
678	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
679	>	return CompletableFuture.supplyAsync(a);
680	>	}
681		public <T> CompletableFuture<Void> thenRun
682		(CompletableFuture<T> f, Runnable a) {
683		return f.thenRunAsync(a);
#	Line 586 | Line 742 | public class CompletableFutureTest exten
742		},
743
744		EXECUTOR {
745	+	public void checkExecutionMode() {
746	+	assertTrue(ThreadExecutor.startedCurrentThread());
747	+	}
748	+	public CompletableFuture<Void> runAsync(Runnable a) {
749	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
750	+	}
751	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
752	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
753	+	}
754		public <T> CompletableFuture<Void> thenRun
755		(CompletableFuture<T> f, Runnable a) {
756		return f.thenRunAsync(a, new ThreadExecutor());
#	Line 649 | Line 814 | public class CompletableFutureTest exten
814		}
815		};
816
817	+	public abstract void checkExecutionMode();
818	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
819	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
820		public abstract <T> CompletableFuture<Void> thenRun
821		(CompletableFuture<T> f, Runnable a);
822		public abstract <T> CompletableFuture<Void> thenAccept
#	Line 698 | Line 866 | public class CompletableFutureTest exten
866		{
867		final AtomicInteger a = new AtomicInteger(0);
868		final CompletableFuture<Integer> f = new CompletableFuture<>();
869	<	if (!createIncomplete) f.complete(v1);
869	>	if (!createIncomplete) assertTrue(f.complete(v1));
870		final CompletableFuture<Integer> g = f.exceptionally
871		((Throwable t) -> {
704	–	// Should not be called
872		a.getAndIncrement();
873	<	throw new AssertionError();
873	>	threadFail("should not be called");
874	>	return null;            // unreached
875		});
876	<	if (createIncomplete) f.complete(v1);
876	>	if (createIncomplete) assertTrue(f.complete(v1));
877
878		checkCompletedNormally(g, v1);
879		checkCompletedNormally(f, v1);
880		assertEquals(0, a.get());
881		}}
882
715	–
883		/**
884		* exceptionally action completes with function value on source
885		* exception
#	Line 727 | Line 894 | public class CompletableFutureTest exten
894		if (!createIncomplete) f.completeExceptionally(ex);
895		final CompletableFuture<Integer> g = f.exceptionally
896		((Throwable t) -> {
897	+	ExecutionMode.SYNC.checkExecutionMode();
898		threadAssertSame(t, ex);
899		a.getAndIncrement();
900		return v1;
#	Line 737 | Line 905 | public class CompletableFutureTest exten
905		assertEquals(1, a.get());
906		}}
907
908	+	/**
909	+	* If an "exceptionally action" throws an exception, it completes
910	+	* exceptionally with that exception
911	+	*/
912		public void testExceptionally_exceptionalCompletionActionFailed() {
913		for (boolean createIncomplete : new boolean[] { true, false })
742	–	for (Integer v1 : new Integer[] { 1, null })
914		{
915		final AtomicInteger a = new AtomicInteger(0);
916		final CFException ex1 = new CFException();
#	Line 748 | Line 919 | public class CompletableFutureTest exten
919		if (!createIncomplete) f.completeExceptionally(ex1);
920		final CompletableFuture<Integer> g = f.exceptionally
921		((Throwable t) -> {
922	+	ExecutionMode.SYNC.checkExecutionMode();
923		threadAssertSame(t, ex1);
924		a.getAndIncrement();
925		throw ex2;
926		});
927		if (createIncomplete) f.completeExceptionally(ex1);
928
929	<	checkCompletedWithWrappedCFException(g, ex2);
929	>	checkCompletedWithWrappedException(g, ex2);
930	>	checkCompletedExceptionally(f, ex1);
931		assertEquals(1, a.get());
932		}}
933
934		/**
935	<	* handle action completes normally with function value on normal
936	<	* completion of source
935	>	* whenComplete action executes on normal completion, propagating
936	>	* source result.
937		*/
938	<	public void testHandle_normalCompletion() {
938	>	public void testWhenComplete_normalCompletion() {
939		for (ExecutionMode m : ExecutionMode.values())
940		for (boolean createIncomplete : new boolean[] { true, false })
941		for (Integer v1 : new Integer[] { 1, null })
942		{
770	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
943		final AtomicInteger a = new AtomicInteger(0);
944	<	if (!createIncomplete) f.complete(v1);
945	<	final CompletableFuture<Integer> g = m.handle
944	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
945	>	if (!createIncomplete) assertTrue(f.complete(v1));
946	>	final CompletableFuture<Integer> g = m.whenComplete
947		(f,
948	<	(Integer x, Throwable t) -> {
949	<	threadAssertSame(x, v1);
948	>	(Integer result, Throwable t) -> {
949	>	m.checkExecutionMode();
950	>	threadAssertSame(result, v1);
951		threadAssertNull(t);
952		a.getAndIncrement();
779	–	return inc(v1);
953		});
954	<	if (createIncomplete) f.complete(v1);
954	>	if (createIncomplete) assertTrue(f.complete(v1));
955
956	<	checkCompletedNormally(g, inc(v1));
956	>	checkCompletedNormally(g, v1);
957		checkCompletedNormally(f, v1);
958		assertEquals(1, a.get());
959		}}
960
961		/**
962	<	* handle action completes normally with function value on
963	<	* exceptional completion of source
962	>	* whenComplete action executes on exceptional completion, propagating
963	>	* source result.
964		*/
965	<	public void testHandle_exceptionalCompletion() {
965	>	public void testWhenComplete_exceptionalCompletion() {
966		for (ExecutionMode m : ExecutionMode.values())
967		for (boolean createIncomplete : new boolean[] { true, false })
795	–	for (Integer v1 : new Integer[] { 1, null })
968		{
797	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
969		final AtomicInteger a = new AtomicInteger(0);
970		final CFException ex = new CFException();
971	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
972		if (!createIncomplete) f.completeExceptionally(ex);
973	<	final CompletableFuture<Integer> g = m.handle
973	>	final CompletableFuture<Integer> g = m.whenComplete
974		(f,
975	<	(Integer x, Throwable t) -> {
976	<	threadAssertNull(x);
975	>	(Integer result, Throwable t) -> {
976	>	m.checkExecutionMode();
977	>	threadAssertNull(result);
978		threadAssertSame(t, ex);
979		a.getAndIncrement();
807	–	return v1;
980		});
981		if (createIncomplete) f.completeExceptionally(ex);
982
983	<	checkCompletedNormally(g, v1);
984	<	checkCompletedWithWrappedCFException(f, ex);
983	>	checkCompletedWithWrappedException(g, ex);
984	>	checkCompletedExceptionally(f, ex);
985		assertEquals(1, a.get());
986		}}
987
988		/**
989	<	* handle action completes normally with function value on
990	<	* cancelled source
989	>	* whenComplete action executes on cancelled source, propagating
990	>	* CancellationException.
991		*/
992	<	public void testHandle_sourceCancelled() {
992	>	public void testWhenComplete_sourceCancelled() {
993		for (ExecutionMode m : ExecutionMode.values())
994		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
995		for (boolean createIncomplete : new boolean[] { true, false })
824	–	for (Integer v1 : new Integer[] { 1, null })
996		{
826	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
997		final AtomicInteger a = new AtomicInteger(0);
998	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
999		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1000	<	final CompletableFuture<Integer> g = m.handle
1000	>	final CompletableFuture<Integer> g = m.whenComplete
1001		(f,
1002	<	(Integer x, Throwable t) -> {
1003	<	threadAssertNull(x);
1002	>	(Integer result, Throwable t) -> {
1003	>	m.checkExecutionMode();
1004	>	threadAssertNull(result);
1005		threadAssertTrue(t instanceof CancellationException);
1006		a.getAndIncrement();
835	–	return v1;
1007		});
1008		if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1009
1010	<	checkCompletedNormally(g, v1);
1010	>	checkCompletedWithWrappedCancellationException(g);
1011		checkCancelled(f);
1012		assertEquals(1, a.get());
1013		}}
1014
1015		/**
1016	<	* handle result completes exceptionally if action does
1016	>	* If a whenComplete action throws an exception when triggered by
1017	>	* a normal completion, it completes exceptionally
1018		*/
1019	<	public void testHandle_sourceFailedActionFailed() {
848	<	for (ExecutionMode m : ExecutionMode.values())
1019	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1020		for (boolean createIncomplete : new boolean[] { true, false })
1021	+	for (ExecutionMode m : ExecutionMode.values())
1022	+	for (Integer v1 : new Integer[] { 1, null })
1023		{
1024	+	final AtomicInteger a = new AtomicInteger(0);
1025	+	final CFException ex = new CFException();
1026		final CompletableFuture<Integer> f = new CompletableFuture<>();
1027	+	if (!createIncomplete) assertTrue(f.complete(v1));
1028	+	final CompletableFuture<Integer> g = m.whenComplete
1029	+	(f,
1030	+	(Integer result, Throwable t) -> {
1031	+	m.checkExecutionMode();
1032	+	threadAssertSame(result, v1);
1033	+	threadAssertNull(t);
1034	+	a.getAndIncrement();
1035	+	throw ex;
1036	+	});
1037	+	if (createIncomplete) assertTrue(f.complete(v1));
1038	+
1039	+	checkCompletedWithWrappedException(g, ex);
1040	+	checkCompletedNormally(f, v1);
1041	+	assertEquals(1, a.get());
1042	+	}}
1043	+
1044	+	/**
1045	+	* If a whenComplete action throws an exception when triggered by
1046	+	* a source completion that also throws an exception, the source
1047	+	* exception takes precedence (unlike handle)
1048	+	*/
1049	+	public void testWhenComplete_sourceFailedActionFailed() {
1050	+	for (boolean createIncomplete : new boolean[] { true, false })
1051	+	for (ExecutionMode m : ExecutionMode.values())
1052	+	{
1053		final AtomicInteger a = new AtomicInteger(0);
1054		final CFException ex1 = new CFException();
1055		final CFException ex2 = new CFException();
1056	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1057	+
1058		if (!createIncomplete) f.completeExceptionally(ex1);
1059	<	final CompletableFuture<Integer> g = m.handle
1059	>	final CompletableFuture<Integer> g = m.whenComplete
1060		(f,
1061	<	(Integer x, Throwable t) -> {
1062	<	threadAssertNull(x);
1063	<	threadAssertSame(ex1, t);
1061	>	(Integer result, Throwable t) -> {
1062	>	m.checkExecutionMode();
1063	>	threadAssertSame(t, ex1);
1064	>	threadAssertNull(result);
1065		a.getAndIncrement();
1066		throw ex2;
1067		});
1068		if (createIncomplete) f.completeExceptionally(ex1);
1069
1070	<	checkCompletedWithWrappedCFException(g, ex2);
1071	<	checkCompletedWithWrappedCFException(f, ex1);
1070	>	checkCompletedWithWrappedException(g, ex1);
1071	>	checkCompletedExceptionally(f, ex1);
1072	>	if (testImplementationDetails) {
1073	>	assertEquals(1, ex1.getSuppressed().length);
1074	>	assertSame(ex2, ex1.getSuppressed()[0]);
1075	>	}
1076		assertEquals(1, a.get());
1077		}}
1078
1079	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1079	>	/**
1080	>	* handle action completes normally with function value on normal
1081	>	* completion of source
1082	>	*/
1083	>	public void testHandle_normalCompletion() {
1084		for (ExecutionMode m : ExecutionMode.values())
1085		for (boolean createIncomplete : new boolean[] { true, false })
1086		for (Integer v1 : new Integer[] { 1, null })
1087		{
1088		final CompletableFuture<Integer> f = new CompletableFuture<>();
1089		final AtomicInteger a = new AtomicInteger(0);
1090	<	final CFException ex = new CFException();
879	<	if (!createIncomplete) f.complete(v1);
1090	>	if (!createIncomplete) assertTrue(f.complete(v1));
1091		final CompletableFuture<Integer> g = m.handle
1092		(f,
1093	<	(Integer x, Throwable t) -> {
1094	<	threadAssertSame(x, v1);
1093	>	(Integer result, Throwable t) -> {
1094	>	m.checkExecutionMode();
1095	>	threadAssertSame(result, v1);
1096		threadAssertNull(t);
1097		a.getAndIncrement();
1098	<	throw ex;
1098	>	return inc(v1);
1099		});
1100	<	if (createIncomplete) f.complete(v1);
1100	>	if (createIncomplete) assertTrue(f.complete(v1));
1101
1102	<	checkCompletedWithWrappedCFException(g, ex);
1102	>	checkCompletedNormally(g, inc(v1));
1103		checkCompletedNormally(f, v1);
1104		assertEquals(1, a.get());
1105		}}
1106
1107		/**
1108	<	* runAsync completes after running Runnable
1109	<	*/
898	<	public void testRunAsync() {
899	<	Noop r = new Noop();
900	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
901	<	assertNull(f.join());
902	<	assertEquals(1, r.invocationCount);
903	<	checkCompletedNormally(f, null);
904	<	}
905	<
906	<	/**
907	<	* runAsync with executor completes after running Runnable
908	<	*/
909	<	public void testRunAsync2() {
910	<	Noop r = new Noop();
911	<	ThreadExecutor exec = new ThreadExecutor();
912	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
913	<	assertNull(f.join());
914	<	assertEquals(1, r.invocationCount);
915	<	checkCompletedNormally(f, null);
916	<	assertEquals(1, exec.count.get());
917	<	}
918	<
919	<	/**
920	<	* failing runAsync completes exceptionally after running Runnable
921	<	*/
922	<	public void testRunAsync3() {
923	<	FailingNoop r = new FailingNoop();
924	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
925	<	checkCompletedWithWrappedCFException(f);
926	<	assertEquals(1, r.invocationCount);
927	<	}
928	<
929	<	/**
930	<	* supplyAsync completes with result of supplier
931	<	*/
932	<	public void testSupplyAsync() {
933	<	CompletableFuture<Integer> f;
934	<	f = CompletableFuture.supplyAsync(supplyOne);
935	<	assertEquals(f.join(), one);
936	<	checkCompletedNormally(f, one);
937	<	}
938	<
939	<	/**
940	<	* supplyAsync with executor completes with result of supplier
941	<	*/
942	<	public void testSupplyAsync2() {
943	<	CompletableFuture<Integer> f;
944	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
945	<	assertEquals(f.join(), one);
946	<	checkCompletedNormally(f, one);
947	<	}
948	<
949	<	/**
950	<	* Failing supplyAsync completes exceptionally
951	<	*/
952	<	public void testSupplyAsync3() {
953	<	FailingSupplier r = new FailingSupplier();
954	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
955	<	checkCompletedWithWrappedCFException(f);
956	<	assertEquals(1, r.invocationCount);
957	<	}
958	<
959	<	// seq completion methods
960	<
961	<	/**
962	<	* thenRun result completes normally after normal completion of source
963	<	*/
964	<	public void testThenRun() {
965	<	CompletableFuture<Integer> f;
966	<	CompletableFuture<Void> g;
967	<	Noop r;
968	<
969	<	f = new CompletableFuture<>();
970	<	g = f.thenRun(r = new Noop());
971	<	f.complete(null);
972	<	checkCompletedNormally(g, null);
973	<	assertEquals(1, r.invocationCount);
974	<
975	<	f = new CompletableFuture<>();
976	<	f.complete(null);
977	<	g = f.thenRun(r = new Noop());
978	<	checkCompletedNormally(g, null);
979	<	assertEquals(1, r.invocationCount);
980	<	}
981	<
982	<	/**
983	<	* thenRun result completes exceptionally after exceptional
984	<	* completion of source
985	<	*/
986	<	public void testThenRun2() {
987	<	CompletableFuture<Integer> f;
988	<	CompletableFuture<Void> g;
989	<	Noop r;
990	<
991	<	f = new CompletableFuture<>();
992	<	g = f.thenRun(r = new Noop());
993	<	f.completeExceptionally(new CFException());
994	<	checkCompletedWithWrappedCFException(g);
995	<	assertEquals(0, r.invocationCount);
996	<
997	<	f = new CompletableFuture<>();
998	<	f.completeExceptionally(new CFException());
999	<	g = f.thenRun(r = new Noop());
1000	<	checkCompletedWithWrappedCFException(g);
1001	<	assertEquals(0, r.invocationCount);
1002	<	}
1003	<
1004	<	/**
1005	<	* thenRun result completes exceptionally if action does
1006	<	*/
1007	<	public void testThenRun3() {
1008	<	CompletableFuture<Integer> f;
1009	<	CompletableFuture<Void> g;
1010	<	FailingNoop r;
1011	<
1012	<	f = new CompletableFuture<>();
1013	<	g = f.thenRun(r = new FailingNoop());
1014	<	f.complete(null);
1015	<	checkCompletedWithWrappedCFException(g);
1016	<
1017	<	f = new CompletableFuture<>();
1018	<	f.complete(null);
1019	<	g = f.thenRun(r = new FailingNoop());
1020	<	checkCompletedWithWrappedCFException(g);
1021	<	}
1022	<
1023	<	/**
1024	<	* thenRun result completes exceptionally if source cancelled
1025	<	*/
1026	<	public void testThenRun4() {
1027	<	CompletableFuture<Integer> f;
1028	<	CompletableFuture<Void> g;
1029	<	Noop r;
1030	<
1031	<	f = new CompletableFuture<>();
1032	<	g = f.thenRun(r = new Noop());
1033	<	assertTrue(f.cancel(true));
1034	<	checkCompletedWithWrappedCancellationException(g);
1035	<
1036	<	f = new CompletableFuture<>();
1037	<	assertTrue(f.cancel(true));
1038	<	g = f.thenRun(r = new Noop());
1039	<	checkCompletedWithWrappedCancellationException(g);
1040	<	}
1041	<
1042	<	/**
1043	<	* thenApply result completes normally after normal completion of source
1044	<	*/
1045	<	public void testThenApply() {
1046	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1047	<	CompletableFuture<Integer> g = f.thenApply(inc);
1048	<	f.complete(one);
1049	<	checkCompletedNormally(g, two);
1050	<	}
1051	<
1052	<	/**
1053	<	* thenApply result completes exceptionally after exceptional
1054	<	* completion of source
1055	<	*/
1056	<	public void testThenApply2() {
1057	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1058	<	CompletableFuture<Integer> g = f.thenApply(inc);
1059	<	f.completeExceptionally(new CFException());
1060	<	checkCompletedWithWrappedCFException(g);
1061	<	}
1062	<
1063	<	/**
1064	<	* thenApply result completes exceptionally if action does
1065	<	*/
1066	<	public void testThenApply3() {
1067	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1068	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1069	<	f.complete(one);
1070	<	checkCompletedWithWrappedCFException(g);
1071	<	}
1072	<
1073	<	/**
1074	<	* thenApply result completes exceptionally if source cancelled
1075	<	*/
1076	<	public void testThenApply4() {
1077	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1078	<	CompletableFuture<Integer> g = f.thenApply(inc);
1079	<	assertTrue(f.cancel(true));
1080	<	checkCompletedWithWrappedCancellationException(g);
1081	<	}
1082	<
1083	<	/**
1084	<	* thenAccept result completes normally after normal completion of source
1085	<	*/
1086	<	public void testThenAccept() {
1087	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1088	<	IncAction r = new IncAction();
1089	<	CompletableFuture<Void> g = f.thenAccept(r);
1090	<	f.complete(one);
1091	<	checkCompletedNormally(g, null);
1092	<	assertEquals(r.value, (Integer) 2);
1093	<	}
1094	<
1095	<	/**
1096	<	* thenAccept result completes exceptionally after exceptional
1097	<	* completion of source
1098	<	*/
1099	<	public void testThenAccept2() {
1100	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1101	<	IncAction r = new IncAction();
1102	<	CompletableFuture<Void> g = f.thenAccept(r);
1103	<	f.completeExceptionally(new CFException());
1104	<	checkCompletedWithWrappedCFException(g);
1105	<	}
1106	<
1107	<	/**
1108	<	* thenAccept result completes exceptionally if action does
1109	<	*/
1110	<	public void testThenAccept3() {
1111	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1112	<	FailingConsumer r = new FailingConsumer();
1113	<	CompletableFuture<Void> g = f.thenAccept(r);
1114	<	f.complete(one);
1115	<	checkCompletedWithWrappedCFException(g);
1116	<	assertEquals(1, r.invocationCount);
1117	<	}
1118	<
1119	<	/**
1120	<	* thenAccept result completes exceptionally if source cancelled
1121	<	*/
1122	<	public void testThenAccept4() {
1123	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1124	<	IncAction r = new IncAction();
1125	<	CompletableFuture<Void> g = f.thenAccept(r);
1126	<	assertTrue(f.cancel(true));
1127	<	checkCompletedWithWrappedCancellationException(g);
1128	<	}
1129	<
1130	<	/**
1131	<	* thenCombine result completes normally after normal completion
1132	<	* of sources
1108	>	* handle action completes normally with function value on
1109	>	* exceptional completion of source
1110		*/
1111	<	public void testThenCombine_normalCompletion1() {
1135	<	for (boolean createIncomplete : new boolean[] { true, false })
1136	<	for (boolean fFirst : new boolean[] { true, false })
1111	>	public void testHandle_exceptionalCompletion() {
1112		for (ExecutionMode m : ExecutionMode.values())
1113	+	for (boolean createIncomplete : new boolean[] { true, false })
1114		for (Integer v1 : new Integer[] { 1, null })
1139	–	for (Integer v2 : new Integer[] { 2, null })
1115		{
1116		final CompletableFuture<Integer> f = new CompletableFuture<>();
1117	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1118	<	final SubtractFunction r = new SubtractFunction();
1119	<	CompletableFuture<Integer> h = null;
1120	<	if (createIncomplete) h = m.thenCombine(f, g, r);
1121	<
1122	<	if (fFirst)
1123	<	f.complete(v1);
1124	<	else
1125	<	g.complete(v2);
1126	<	if (createIncomplete) checkIncomplete(h);
1127	<	assertEquals(0, r.invocationCount);
1128	<	if (!fFirst)
1129	<	f.complete(v1);
1155	<	else
1156	<	g.complete(v2);
1157	<	if (!createIncomplete) h = m.thenCombine(f, g, r);
1117	>	final AtomicInteger a = new AtomicInteger(0);
1118	>	final CFException ex = new CFException();
1119	>	if (!createIncomplete) f.completeExceptionally(ex);
1120	>	final CompletableFuture<Integer> g = m.handle
1121	>	(f,
1122	>	(Integer result, Throwable t) -> {
1123	>	m.checkExecutionMode();
1124	>	threadAssertNull(result);
1125	>	threadAssertSame(t, ex);
1126	>	a.getAndIncrement();
1127	>	return v1;
1128	>	});
1129	>	if (createIncomplete) f.completeExceptionally(ex);
1130
1131	<	checkCompletedNormally(h, subtract(v1, v2));
1132	<	checkCompletedNormally(f, v1);
1133	<	checkCompletedNormally(g, v2);
1162	<	assertEquals(1, r.invocationCount);
1131	>	checkCompletedNormally(g, v1);
1132	>	checkCompletedExceptionally(f, ex);
1133	>	assertEquals(1, a.get());
1134		}}
1135
1136		/**
1137	<	* thenCombine result completes exceptionally after exceptional
1138	<	* completion of either source
1137	>	* handle action completes normally with function value on
1138	>	* cancelled source
1139		*/
1140	<	public void testThenCombine_exceptionalCompletion1() {
1140	>	public void testHandle_sourceCancelled() {
1141		for (ExecutionMode m : ExecutionMode.values())
1142	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1143	+	for (boolean createIncomplete : new boolean[] { true, false })
1144		for (Integer v1 : new Integer[] { 1, null })
1145		{
1146		final CompletableFuture<Integer> f = new CompletableFuture<>();
1147	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1148	<	final SubtractFunction r = new SubtractFunction();
1149	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1150	<	final CFException ex = new CFException();
1151	<
1152	<	f.completeExceptionally(ex);
1153	<	checkIncomplete(h);
1154	<	g.complete(v1);
1147	>	final AtomicInteger a = new AtomicInteger(0);
1148	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1149	>	final CompletableFuture<Integer> g = m.handle
1150	>	(f,
1151	>	(Integer result, Throwable t) -> {
1152	>	m.checkExecutionMode();
1153	>	threadAssertNull(result);
1154	>	threadAssertTrue(t instanceof CancellationException);
1155	>	a.getAndIncrement();
1156	>	return v1;
1157	>	});
1158	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1159
1183	–	checkCompletedWithWrappedCFException(h, ex);
1184	–	checkCompletedWithWrappedCFException(f, ex);
1185	–	assertEquals(0, r.invocationCount);
1160		checkCompletedNormally(g, v1);
1161	+	checkCancelled(f);
1162	+	assertEquals(1, a.get());
1163		}}
1164
1165	<	public void testThenCombine_exceptionalCompletion2() {
1165	>	/**
1166	>	* If a "handle action" throws an exception when triggered by
1167	>	* a normal completion, it completes exceptionally
1168	>	*/
1169	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1170		for (ExecutionMode m : ExecutionMode.values())
1171	+	for (boolean createIncomplete : new boolean[] { true, false })
1172		for (Integer v1 : new Integer[] { 1, null })
1173		{
1174		final CompletableFuture<Integer> f = new CompletableFuture<>();
1175	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1195	<	final SubtractFunction r = new SubtractFunction();
1196	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1175	>	final AtomicInteger a = new AtomicInteger(0);
1176		final CFException ex = new CFException();
1177	+	if (!createIncomplete) assertTrue(f.complete(v1));
1178	+	final CompletableFuture<Integer> g = m.handle
1179	+	(f,
1180	+	(Integer result, Throwable t) -> {
1181	+	m.checkExecutionMode();
1182	+	threadAssertSame(result, v1);
1183	+	threadAssertNull(t);
1184	+	a.getAndIncrement();
1185	+	throw ex;
1186	+	});
1187	+	if (createIncomplete) assertTrue(f.complete(v1));
1188
1189	<	g.completeExceptionally(ex);
1200	<	checkIncomplete(h);
1201	<	f.complete(v1);
1202	<
1203	<	checkCompletedWithWrappedCFException(h, ex);
1204	<	checkCompletedWithWrappedCFException(g, ex);
1205	<	assertEquals(0, r.invocationCount);
1189	>	checkCompletedWithWrappedException(g, ex);
1190		checkCompletedNormally(f, v1);
1191	+	assertEquals(1, a.get());
1192		}}
1193
1194	<	public void testThenCombine_exceptionalCompletion3() {
1194	>	/**
1195	>	* If a "handle action" throws an exception when triggered by
1196	>	* a source completion that also throws an exception, the action
1197	>	* exception takes precedence (unlike whenComplete)
1198	>	*/
1199	>	public void testHandle_sourceFailedActionFailed() {
1200	>	for (boolean createIncomplete : new boolean[] { true, false })
1201		for (ExecutionMode m : ExecutionMode.values())
1211	–	for (Integer v1 : new Integer[] { 1, null })
1202		{
1203	+	final AtomicInteger a = new AtomicInteger(0);
1204	+	final CFException ex1 = new CFException();
1205	+	final CFException ex2 = new CFException();
1206		final CompletableFuture<Integer> f = new CompletableFuture<>();
1214	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1215	–	final SubtractFunction r = new SubtractFunction();
1216	–	final CFException ex = new CFException();
1207
1208	<	g.completeExceptionally(ex);
1209	<	f.complete(v1);
1210	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1208	>	if (!createIncomplete) f.completeExceptionally(ex1);
1209	>	final CompletableFuture<Integer> g = m.handle
1210	>	(f,
1211	>	(Integer result, Throwable t) -> {
1212	>	m.checkExecutionMode();
1213	>	threadAssertNull(result);
1214	>	threadAssertSame(ex1, t);
1215	>	a.getAndIncrement();
1216	>	throw ex2;
1217	>	});
1218	>	if (createIncomplete) f.completeExceptionally(ex1);
1219
1220	<	checkCompletedWithWrappedCFException(h, ex);
1221	<	checkCompletedWithWrappedCFException(g, ex);
1222	<	assertEquals(0, r.invocationCount);
1225	<	checkCompletedNormally(f, v1);
1220	>	checkCompletedWithWrappedException(g, ex2);
1221	>	checkCompletedExceptionally(f, ex1);
1222	>	assertEquals(1, a.get());
1223		}}
1224
1225	<	public void testThenCombine_exceptionalCompletion4() {
1226	<	for (ExecutionMode m : ExecutionMode.values())
1227	<	for (Integer v1 : new Integer[] { 1, null })
1225	>	/**
1226	>	* runAsync completes after running Runnable
1227	>	*/
1228	>	public void testRunAsync_normalCompletion() {
1229	>	ExecutionMode[] executionModes = {
1230	>	ExecutionMode.ASYNC,
1231	>	ExecutionMode.EXECUTOR,
1232	>	};
1233	>	for (ExecutionMode m : executionModes)
1234		{
1235	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1236	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1237	<	final SubtractFunction r = new SubtractFunction();
1238	<	final CFException ex = new CFException();
1239	<
1237	<	f.completeExceptionally(ex);
1238	<	g.complete(v1);
1239	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1240	<
1241	<	checkCompletedWithWrappedCFException(h, ex);
1242	<	checkCompletedWithWrappedCFException(f, ex);
1243	<	assertEquals(0, r.invocationCount);
1244	<	checkCompletedNormally(g, v1);
1235	>	final Noop r = new Noop(m);
1236	>	final CompletableFuture<Void> f = m.runAsync(r);
1237	>	assertNull(f.join());
1238	>	checkCompletedNormally(f, null);
1239	>	r.assertInvoked();
1240		}}
1241
1242		/**
1243	<	* thenCombine result completes exceptionally if action does
1243	>	* failing runAsync completes exceptionally after running Runnable
1244		*/
1245	<	public void testThenCombine_actionFailed1() {
1246	<	for (ExecutionMode m : ExecutionMode.values())
1247	<	for (Integer v1 : new Integer[] { 1, null })
1248	<	for (Integer v2 : new Integer[] { 2, null })
1245	>	public void testRunAsync_exceptionalCompletion() {
1246	>	ExecutionMode[] executionModes = {
1247	>	ExecutionMode.ASYNC,
1248	>	ExecutionMode.EXECUTOR,
1249	>	};
1250	>	for (ExecutionMode m : executionModes)
1251		{
1252	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1253	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1254	<	final FailingBiFunction r = new FailingBiFunction();
1255	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1252	>	final FailingRunnable r = new FailingRunnable(m);
1253	>	final CompletableFuture<Void> f = m.runAsync(r);
1254	>	checkCompletedWithWrappedException(f, r.ex);
1255	>	r.assertInvoked();
1256	>	}}
1257
1258	<	f.complete(v1);
1259	<	checkIncomplete(h);
1260	<	g.complete(v2);
1258	>	@SuppressWarnings("FutureReturnValueIgnored")
1259	>	public void testRunAsync_rejectingExecutor() {
1260	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1261	>	try {
1262	>	CompletableFuture.runAsync(() -> {}, e);
1263	>	shouldThrow();
1264	>	} catch (Throwable t) {
1265	>	assertSame(e.ex, t);
1266	>	}
1267
1268	<	checkCompletedWithWrappedCFException(h);
1269	<	checkCompletedNormally(f, v1);
1266	<	checkCompletedNormally(g, v2);
1267	<	}}
1268	>	assertEquals(1, e.count.get());
1269	>	}
1270
1271	<	public void testThenCombine_actionFailed2() {
1272	<	for (ExecutionMode m : ExecutionMode.values())
1271	>	/**
1272	>	* supplyAsync completes with result of supplier
1273	>	*/
1274	>	public void testSupplyAsync_normalCompletion() {
1275	>	ExecutionMode[] executionModes = {
1276	>	ExecutionMode.ASYNC,
1277	>	ExecutionMode.EXECUTOR,
1278	>	};
1279	>	for (ExecutionMode m : executionModes)
1280		for (Integer v1 : new Integer[] { 1, null })
1272	–	for (Integer v2 : new Integer[] { 2, null })
1281		{
1282	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1283	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1284	<	final FailingBiFunction r = new FailingBiFunction();
1277	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1278	<
1279	<	g.complete(v2);
1280	<	checkIncomplete(h);
1281	<	f.complete(v1);
1282	<
1283	<	checkCompletedWithWrappedCFException(h);
1282	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1283	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1284	>	assertSame(v1, f.join());
1285		checkCompletedNormally(f, v1);
1286	<	checkCompletedNormally(g, v2);
1286	>	r.assertInvoked();
1287		}}
1288
1289		/**
1290	<	* thenCombine result completes exceptionally if either source cancelled
1290	>	* Failing supplyAsync completes exceptionally
1291		*/
1292	<	public void testThenCombine_sourceCancelled1() {
1293	<	for (ExecutionMode m : ExecutionMode.values())
1294	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1295	<	for (Integer v1 : new Integer[] { 1, null })
1292	>	public void testSupplyAsync_exceptionalCompletion() {
1293	>	ExecutionMode[] executionModes = {
1294	>	ExecutionMode.ASYNC,
1295	>	ExecutionMode.EXECUTOR,
1296	>	};
1297	>	for (ExecutionMode m : executionModes)
1298		{
1299	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1300	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1301	<	final SubtractFunction r = new SubtractFunction();
1302	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1299	>	FailingSupplier r = new FailingSupplier(m);
1300	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1301	>	checkCompletedWithWrappedException(f, r.ex);
1302	>	r.assertInvoked();
1303	>	}}
1304
1305	<	assertTrue(f.cancel(mayInterruptIfRunning));
1306	<	checkIncomplete(h);
1307	<	g.complete(v1);
1305	>	@SuppressWarnings("FutureReturnValueIgnored")
1306	>	public void testSupplyAsync_rejectingExecutor() {
1307	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1308	>	try {
1309	>	CompletableFuture.supplyAsync(() -> null, e);
1310	>	shouldThrow();
1311	>	} catch (Throwable t) {
1312	>	assertSame(e.ex, t);
1313	>	}
1314
1315	<	checkCompletedWithWrappedCancellationException(h);
1316	<	checkCancelled(f);
1307	<	assertEquals(0, r.invocationCount);
1308	<	checkCompletedNormally(g, v1);
1309	<	}}
1315	>	assertEquals(1, e.count.get());
1316	>	}
1317
1318	<	public void testThenCombine_sourceCancelled2() {
1318	>	// seq completion methods
1319	>
1320	>	/**
1321	>	* thenRun result completes normally after normal completion of source
1322	>	*/
1323	>	public void testThenRun_normalCompletion() {
1324		for (ExecutionMode m : ExecutionMode.values())
1313	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1325		for (Integer v1 : new Integer[] { 1, null })
1326		{
1327		final CompletableFuture<Integer> f = new CompletableFuture<>();
1328	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1329	<	final SubtractFunction r = new SubtractFunction();
1319	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1328	>	final Noop[] rs = new Noop[6];
1329	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1330
1331	<	assertTrue(g.cancel(mayInterruptIfRunning));
1332	<	checkIncomplete(h);
1333	<	f.complete(v1);
1331	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1332	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1333	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1334	>	checkIncomplete(h0);
1335	>	checkIncomplete(h1);
1336	>	checkIncomplete(h2);
1337	>	assertTrue(f.complete(v1));
1338	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1339	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1340	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1341
1342	<	checkCompletedWithWrappedCancellationException(h);
1343	<	checkCancelled(g);
1344	<	assertEquals(0, r.invocationCount);
1342	>	checkCompletedNormally(h0, null);
1343	>	checkCompletedNormally(h1, null);
1344	>	checkCompletedNormally(h2, null);
1345	>	checkCompletedNormally(h3, null);
1346	>	checkCompletedNormally(h4, null);
1347	>	checkCompletedNormally(h5, null);
1348		checkCompletedNormally(f, v1);
1349	+	for (Noop r : rs) r.assertInvoked();
1350		}}
1351
1352	<	public void testThenCombine_sourceCancelled3() {
1352	>	/**
1353	>	* thenRun result completes exceptionally after exceptional
1354	>	* completion of source
1355	>	*/
1356	>	public void testThenRun_exceptionalCompletion() {
1357		for (ExecutionMode m : ExecutionMode.values())
1333	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1334	–	for (Integer v1 : new Integer[] { 1, null })
1358		{
1359	+	final CFException ex = new CFException();
1360		final CompletableFuture<Integer> f = new CompletableFuture<>();
1361	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1362	<	final SubtractFunction r = new SubtractFunction();
1339	<
1340	<	assertTrue(g.cancel(mayInterruptIfRunning));
1341	<	f.complete(v1);
1342	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1361	>	final Noop[] rs = new Noop[6];
1362	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1363
1364	<	checkCompletedWithWrappedCancellationException(h);
1365	<	checkCancelled(g);
1366	<	assertEquals(0, r.invocationCount);
1367	<	checkCompletedNormally(f, v1);
1364	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1365	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1366	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1367	>	checkIncomplete(h0);
1368	>	checkIncomplete(h1);
1369	>	checkIncomplete(h2);
1370	>	assertTrue(f.completeExceptionally(ex));
1371	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1372	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1373	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1374	>
1375	>	checkCompletedWithWrappedException(h0, ex);
1376	>	checkCompletedWithWrappedException(h1, ex);
1377	>	checkCompletedWithWrappedException(h2, ex);
1378	>	checkCompletedWithWrappedException(h3, ex);
1379	>	checkCompletedWithWrappedException(h4, ex);
1380	>	checkCompletedWithWrappedException(h5, ex);
1381	>	checkCompletedExceptionally(f, ex);
1382	>	for (Noop r : rs) r.assertNotInvoked();
1383		}}
1384
1385	<	public void testThenCombine_sourceCancelled4() {
1385	>	/**
1386	>	* thenRun result completes exceptionally if source cancelled
1387	>	*/
1388	>	public void testThenRun_sourceCancelled() {
1389		for (ExecutionMode m : ExecutionMode.values())
1390		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1353	–	for (Integer v1 : new Integer[] { 1, null })
1391		{
1392		final CompletableFuture<Integer> f = new CompletableFuture<>();
1393	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1394	<	final SubtractFunction r = new SubtractFunction();
1393	>	final Noop[] rs = new Noop[6];
1394	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1395
1396	+	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1397	+	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1398	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1399	+	checkIncomplete(h0);
1400	+	checkIncomplete(h1);
1401	+	checkIncomplete(h2);
1402		assertTrue(f.cancel(mayInterruptIfRunning));
1403	<	g.complete(v1);
1404	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1405	<
1406	<	checkCompletedWithWrappedCancellationException(h);
1403	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1404	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1405	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1406	>
1407	>	checkCompletedWithWrappedCancellationException(h0);
1408	>	checkCompletedWithWrappedCancellationException(h1);
1409	>	checkCompletedWithWrappedCancellationException(h2);
1410	>	checkCompletedWithWrappedCancellationException(h3);
1411	>	checkCompletedWithWrappedCancellationException(h4);
1412	>	checkCompletedWithWrappedCancellationException(h5);
1413		checkCancelled(f);
1414	<	assertEquals(0, r.invocationCount);
1366	<	checkCompletedNormally(g, v1);
1414	>	for (Noop r : rs) r.assertNotInvoked();
1415		}}
1416
1417		/**
1418	<	* thenAcceptBoth result completes normally after normal
1371	<	* completion of sources
1418	>	* thenRun result completes exceptionally if action does
1419		*/
1420	<	public void testThenAcceptBoth_normalCompletion1() {
1374	<	for (ExecutionMode m : ExecutionMode.values())
1375	<	for (Integer v1 : new Integer[] { 1, null })
1376	<	for (Integer v2 : new Integer[] { 2, null })
1377	<	{
1378	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1379	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1380	<	final SubtractAction r = new SubtractAction();
1381	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1382	<
1383	<	f.complete(v1);
1384	<	checkIncomplete(h);
1385	<	assertEquals(0, r.invocationCount);
1386	<	g.complete(v2);
1387	<
1388	<	checkCompletedNormally(h, null);
1389	<	assertEquals(subtract(v1, v2), r.value);
1390	<	checkCompletedNormally(f, v1);
1391	<	checkCompletedNormally(g, v2);
1392	<	}}
1393	<
1394	<	public void testThenAcceptBoth_normalCompletion2() {
1420	>	public void testThenRun_actionFailed() {
1421		for (ExecutionMode m : ExecutionMode.values())
1422		for (Integer v1 : new Integer[] { 1, null })
1397	–	for (Integer v2 : new Integer[] { 2, null })
1423		{
1424		final CompletableFuture<Integer> f = new CompletableFuture<>();
1425	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1426	<	final SubtractAction r = new SubtractAction();
1402	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1425	>	final FailingRunnable[] rs = new FailingRunnable[6];
1426	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1427
1428	<	g.complete(v2);
1429	<	checkIncomplete(h);
1430	<	assertEquals(0, r.invocationCount);
1431	<	f.complete(v1);
1428	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1429	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1430	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1431	>	assertTrue(f.complete(v1));
1432	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1433	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1434	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1435
1436	<	checkCompletedNormally(h, null);
1437	<	assertEquals(subtract(v1, v2), r.value);
1436	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1437	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1438	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1439	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1440	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1441	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1442		checkCompletedNormally(f, v1);
1412	–	checkCompletedNormally(g, v2);
1443		}}
1444
1445	<	public void testThenAcceptBoth_normalCompletion3() {
1446	<	for (ExecutionMode m : ExecutionMode.values())
1447	<	for (Integer v1 : new Integer[] { 1, null })
1448	<	for (Integer v2 : new Integer[] { 2, null })
1419	<	{
1420	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1421	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1422	<	final SubtractAction r = new SubtractAction();
1423	<
1424	<	g.complete(v2);
1425	<	f.complete(v1);
1426	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1427	<
1428	<	checkCompletedNormally(h, null);
1429	<	assertEquals(subtract(v1, v2), r.value);
1430	<	checkCompletedNormally(f, v1);
1431	<	checkCompletedNormally(g, v2);
1432	<	}}
1433	<
1434	<	public void testThenAcceptBoth_normalCompletion4() {
1445	>	/**
1446	>	* thenApply result completes normally after normal completion of source
1447	>	*/
1448	>	public void testThenApply_normalCompletion() {
1449		for (ExecutionMode m : ExecutionMode.values())
1450		for (Integer v1 : new Integer[] { 1, null })
1437	–	for (Integer v2 : new Integer[] { 2, null })
1451		{
1452		final CompletableFuture<Integer> f = new CompletableFuture<>();
1453	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1454	<	final SubtractAction r = new SubtractAction();
1453	>	final IncFunction[] rs = new IncFunction[4];
1454	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1455
1456	<	f.complete(v1);
1457	<	g.complete(v2);
1458	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1456	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1457	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1458	>	checkIncomplete(h0);
1459	>	checkIncomplete(h1);
1460	>	assertTrue(f.complete(v1));
1461	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1462	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1463
1464	<	checkCompletedNormally(h, null);
1465	<	assertEquals(subtract(v1, v2), r.value);
1464	>	checkCompletedNormally(h0, inc(v1));
1465	>	checkCompletedNormally(h1, inc(v1));
1466	>	checkCompletedNormally(h2, inc(v1));
1467	>	checkCompletedNormally(h3, inc(v1));
1468		checkCompletedNormally(f, v1);
1469	<	checkCompletedNormally(g, v2);
1469	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1470		}}
1471
1472		/**
1473	<	* thenAcceptBoth result completes exceptionally after exceptional
1474	<	* completion of either source
1473	>	* thenApply result completes exceptionally after exceptional
1474	>	* completion of source
1475		*/
1476	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1476	>	public void testThenApply_exceptionalCompletion() {
1477		for (ExecutionMode m : ExecutionMode.values())
1459	–	for (Integer v1 : new Integer[] { 1, null })
1478		{
1461	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1462	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1463	–	final SubtractAction r = new SubtractAction();
1464	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1479		final CFException ex = new CFException();
1466	–
1467	–	f.completeExceptionally(ex);
1468	–	checkIncomplete(h);
1469	–	g.complete(v1);
1470	–
1471	–	checkCompletedWithWrappedCFException(h, ex);
1472	–	checkCompletedWithWrappedCFException(f, ex);
1473	–	assertEquals(0, r.invocationCount);
1474	–	checkCompletedNormally(g, v1);
1475	–	}}
1476	–
1477	–	public void testThenAcceptBoth_exceptionalCompletion2() {
1478	–	for (ExecutionMode m : ExecutionMode.values())
1479	–	for (Integer v1 : new Integer[] { 1, null })
1480	–	{
1480		final CompletableFuture<Integer> f = new CompletableFuture<>();
1481	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1482	<	final SubtractAction r = new SubtractAction();
1484	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1485	<	final CFException ex = new CFException();
1486	<
1487	<	g.completeExceptionally(ex);
1488	<	checkIncomplete(h);
1489	<	f.complete(v1);
1481	>	final IncFunction[] rs = new IncFunction[4];
1482	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1483
1484	<	checkCompletedWithWrappedCFException(h, ex);
1485	<	checkCompletedWithWrappedCFException(g, ex);
1486	<	assertEquals(0, r.invocationCount);
1487	<	checkCompletedNormally(f, v1);
1484	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1485	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1486	>	assertTrue(f.completeExceptionally(ex));
1487	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1488	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1489	>
1490	>	checkCompletedWithWrappedException(h0, ex);
1491	>	checkCompletedWithWrappedException(h1, ex);
1492	>	checkCompletedWithWrappedException(h2, ex);
1493	>	checkCompletedWithWrappedException(h3, ex);
1494	>	checkCompletedExceptionally(f, ex);
1495	>	for (IncFunction r : rs) r.assertNotInvoked();
1496		}}
1497
1498	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1498	>	/**
1499	>	* thenApply result completes exceptionally if source cancelled
1500	>	*/
1501	>	public void testThenApply_sourceCancelled() {
1502		for (ExecutionMode m : ExecutionMode.values())
1503	<	for (Integer v1 : new Integer[] { 1, null })
1503	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1504		{
1505		final CompletableFuture<Integer> f = new CompletableFuture<>();
1506	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1507	<	final SubtractAction r = new SubtractAction();
1504	<	final CFException ex = new CFException();
1506	>	final IncFunction[] rs = new IncFunction[4];
1507	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1508
1509	<	g.completeExceptionally(ex);
1510	<	f.complete(v1);
1511	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1509	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1510	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1511	>	assertTrue(f.cancel(mayInterruptIfRunning));
1512	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1513	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1514
1515	<	checkCompletedWithWrappedCFException(h, ex);
1516	<	checkCompletedWithWrappedCFException(g, ex);
1517	<	assertEquals(0, r.invocationCount);
1518	<	checkCompletedNormally(f, v1);
1515	>	checkCompletedWithWrappedCancellationException(h0);
1516	>	checkCompletedWithWrappedCancellationException(h1);
1517	>	checkCompletedWithWrappedCancellationException(h2);
1518	>	checkCompletedWithWrappedCancellationException(h3);
1519	>	checkCancelled(f);
1520	>	for (IncFunction r : rs) r.assertNotInvoked();
1521		}}
1522
1523	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1523	>	/**
1524	>	* thenApply result completes exceptionally if action does
1525	>	*/
1526	>	public void testThenApply_actionFailed() {
1527		for (ExecutionMode m : ExecutionMode.values())
1528		for (Integer v1 : new Integer[] { 1, null })
1529		{
1530		final CompletableFuture<Integer> f = new CompletableFuture<>();
1531	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1532	<	final SubtractAction r = new SubtractAction();
1523	<	final CFException ex = new CFException();
1531	>	final FailingFunction[] rs = new FailingFunction[4];
1532	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1533
1534	<	f.completeExceptionally(ex);
1535	<	g.complete(v1);
1536	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1534	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1535	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1536	>	assertTrue(f.complete(v1));
1537	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1538	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1539
1540	<	checkCompletedWithWrappedCFException(h, ex);
1541	<	checkCompletedWithWrappedCFException(f, ex);
1542	<	assertEquals(0, r.invocationCount);
1543	<	checkCompletedNormally(g, v1);
1540	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1541	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1542	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1543	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1544	>	checkCompletedNormally(f, v1);
1545		}}
1546
1547		/**
1548	<	* thenAcceptBoth result completes exceptionally if action does
1548	>	* thenAccept result completes normally after normal completion of source
1549		*/
1550	<	public void testThenAcceptBoth_actionFailed1() {
1550	>	public void testThenAccept_normalCompletion() {
1551		for (ExecutionMode m : ExecutionMode.values())
1552		for (Integer v1 : new Integer[] { 1, null })
1541	–	for (Integer v2 : new Integer[] { 2, null })
1553		{
1554		final CompletableFuture<Integer> f = new CompletableFuture<>();
1555	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1556	<	final FailingBiConsumer r = new FailingBiConsumer();
1546	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1555	>	final NoopConsumer[] rs = new NoopConsumer[4];
1556	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1557
1558	<	f.complete(v1);
1559	<	checkIncomplete(h);
1560	<	g.complete(v2);
1558	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1559	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1560	>	checkIncomplete(h0);
1561	>	checkIncomplete(h1);
1562	>	assertTrue(f.complete(v1));
1563	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1564	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1565
1566	<	checkCompletedWithWrappedCFException(h);
1566	>	checkCompletedNormally(h0, null);
1567	>	checkCompletedNormally(h1, null);
1568	>	checkCompletedNormally(h2, null);
1569	>	checkCompletedNormally(h3, null);
1570		checkCompletedNormally(f, v1);
1571	<	checkCompletedNormally(g, v2);
1571	>	for (NoopConsumer r : rs) r.assertValue(v1);
1572		}}
1573
1574	<	public void testThenAcceptBoth_actionFailed2() {
1574	>	/**
1575	>	* thenAccept result completes exceptionally after exceptional
1576	>	* completion of source
1577	>	*/
1578	>	public void testThenAccept_exceptionalCompletion() {
1579		for (ExecutionMode m : ExecutionMode.values())
1559	–	for (Integer v1 : new Integer[] { 1, null })
1560	–	for (Integer v2 : new Integer[] { 2, null })
1580		{
1581	+	final CFException ex = new CFException();
1582		final CompletableFuture<Integer> f = new CompletableFuture<>();
1583	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1584	<	final FailingBiConsumer r = new FailingBiConsumer();
1565	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1566	<
1567	<	g.complete(v2);
1568	<	checkIncomplete(h);
1569	<	f.complete(v1);
1583	>	final NoopConsumer[] rs = new NoopConsumer[4];
1584	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1585
1586	<	checkCompletedWithWrappedCFException(h);
1587	<	checkCompletedNormally(f, v1);
1588	<	checkCompletedNormally(g, v2);
1586	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1587	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1588	>	assertTrue(f.completeExceptionally(ex));
1589	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1590	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1591	>
1592	>	checkCompletedWithWrappedException(h0, ex);
1593	>	checkCompletedWithWrappedException(h1, ex);
1594	>	checkCompletedWithWrappedException(h2, ex);
1595	>	checkCompletedWithWrappedException(h3, ex);
1596	>	checkCompletedExceptionally(f, ex);
1597	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1598		}}
1599
1600		/**
1601	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1601	>	* thenAccept result completes exceptionally if source cancelled
1602		*/
1603	<	public void testThenAcceptBoth_sourceCancelled1() {
1603	>	public void testThenAccept_sourceCancelled() {
1604		for (ExecutionMode m : ExecutionMode.values())
1605		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1582	–	for (Integer v1 : new Integer[] { 1, null })
1606		{
1607		final CompletableFuture<Integer> f = new CompletableFuture<>();
1608	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1609	<	final SubtractAction r = new SubtractAction();
1587	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1608	>	final NoopConsumer[] rs = new NoopConsumer[4];
1609	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1610
1611	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1612	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1613		assertTrue(f.cancel(mayInterruptIfRunning));
1614	<	checkIncomplete(h);
1615	<	g.complete(v1);
1614	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1615	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1616
1617	<	checkCompletedWithWrappedCancellationException(h);
1617	>	checkCompletedWithWrappedCancellationException(h0);
1618	>	checkCompletedWithWrappedCancellationException(h1);
1619	>	checkCompletedWithWrappedCancellationException(h2);
1620	>	checkCompletedWithWrappedCancellationException(h3);
1621		checkCancelled(f);
1622	<	assertEquals(0, r.invocationCount);
1596	<	checkCompletedNormally(g, v1);
1622	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1623		}}
1624
1625	<	public void testThenAcceptBoth_sourceCancelled2() {
1625	>	/**
1626	>	* thenAccept result completes exceptionally if action does
1627	>	*/
1628	>	public void testThenAccept_actionFailed() {
1629		for (ExecutionMode m : ExecutionMode.values())
1601	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1630		for (Integer v1 : new Integer[] { 1, null })
1631		{
1632		final CompletableFuture<Integer> f = new CompletableFuture<>();
1633	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1634	<	final SubtractAction r = new SubtractAction();
1607	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1633	>	final FailingConsumer[] rs = new FailingConsumer[4];
1634	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1635
1636	<	assertTrue(g.cancel(mayInterruptIfRunning));
1637	<	checkIncomplete(h);
1638	<	f.complete(v1);
1636	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1637	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1638	>	assertTrue(f.complete(v1));
1639	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1640	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1641
1642	<	checkCompletedWithWrappedCancellationException(h);
1643	<	checkCancelled(g);
1644	<	assertEquals(0, r.invocationCount);
1642	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1643	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1644	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1645	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1646		checkCompletedNormally(f, v1);
1647		}}
1648
1649	<	public void testThenAcceptBoth_sourceCancelled3() {
1649	>	/**
1650	>	* thenCombine result completes normally after normal completion
1651	>	* of sources
1652	>	*/
1653	>	public void testThenCombine_normalCompletion() {
1654		for (ExecutionMode m : ExecutionMode.values())
1655	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1655	>	for (boolean fFirst : new boolean[] { true, false })
1656		for (Integer v1 : new Integer[] { 1, null })
1657	+	for (Integer v2 : new Integer[] { 2, null })
1658		{
1659		final CompletableFuture<Integer> f = new CompletableFuture<>();
1660		final CompletableFuture<Integer> g = new CompletableFuture<>();
1661	<	final SubtractAction r = new SubtractAction();
1661	>	final SubtractFunction[] rs = new SubtractFunction[6];
1662	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1663
1664	<	assertTrue(g.cancel(mayInterruptIfRunning));
1665	<	f.complete(v1);
1666	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1664	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1665	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1666	>	final Integer w1 =  fFirst ? v1 : v2;
1667	>	final Integer w2 = !fFirst ? v1 : v2;
1668	>
1669	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1670	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1671	>	assertTrue(fst.complete(w1));
1672	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1673	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1674	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1675	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1676	>	checkCompletedNormally(h1, subtract(w1, w1));
1677	>	checkCompletedNormally(h3, subtract(w1, w1));
1678	>	rs[1].assertValue(subtract(w1, w1));
1679	>	rs[3].assertValue(subtract(w1, w1));
1680	>	assertTrue(snd.complete(w2));
1681	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1682	>
1683	>	checkCompletedNormally(h0, subtract(v1, v2));
1684	>	checkCompletedNormally(h2, subtract(v1, v2));
1685	>	checkCompletedNormally(h4, subtract(v1, v2));
1686	>	rs[0].assertValue(subtract(v1, v2));
1687	>	rs[2].assertValue(subtract(v1, v2));
1688	>	rs[4].assertValue(subtract(v1, v2));
1689
1632	–	checkCompletedWithWrappedCancellationException(h);
1633	–	checkCancelled(g);
1634	–	assertEquals(0, r.invocationCount);
1690		checkCompletedNormally(f, v1);
1691	<	}}
1637	<
1638	<	public void testThenAcceptBoth_sourceCancelled4() {
1639	<	for (ExecutionMode m : ExecutionMode.values())
1640	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1641	<	for (Integer v1 : new Integer[] { 1, null })
1642	<	{
1643	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1644	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1645	<	final SubtractAction r = new SubtractAction();
1646	<
1647	<	assertTrue(f.cancel(mayInterruptIfRunning));
1648	<	g.complete(v1);
1649	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1650	<
1651	<	checkCompletedWithWrappedCancellationException(h);
1652	<	checkCancelled(f);
1653	<	assertEquals(0, r.invocationCount);
1654	<	checkCompletedNormally(g, v1);
1691	>	checkCompletedNormally(g, v2);
1692		}}
1693
1694		/**
1695	<	* runAfterBoth result completes normally after normal
1696	<	* completion of sources
1695	>	* thenCombine result completes exceptionally after exceptional
1696	>	* completion of either source
1697		*/
1698	<	public void testRunAfterBoth_normalCompletion1() {
1698	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1699		for (ExecutionMode m : ExecutionMode.values())
1700	+	for (boolean fFirst : new boolean[] { true, false })
1701	+	for (boolean failFirst : new boolean[] { true, false })
1702		for (Integer v1 : new Integer[] { 1, null })
1664	–	for (Integer v2 : new Integer[] { 2, null })
1703		{
1704		final CompletableFuture<Integer> f = new CompletableFuture<>();
1705		final CompletableFuture<Integer> g = new CompletableFuture<>();
1706	<	final Noop r = new Noop();
1707	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1708	<
1709	<	f.complete(v1);
1710	<	checkIncomplete(h);
1711	<	assertEquals(0, r.invocationCount);
1712	<	g.complete(v2);
1713	<
1714	<	checkCompletedNormally(h, null);
1715	<	assertEquals(1, r.invocationCount);
1716	<	checkCompletedNormally(f, v1);
1717	<	checkCompletedNormally(g, v2);
1706	>	final CFException ex = new CFException();
1707	>	final SubtractFunction r1 = new SubtractFunction(m);
1708	>	final SubtractFunction r2 = new SubtractFunction(m);
1709	>	final SubtractFunction r3 = new SubtractFunction(m);
1710	>
1711	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1712	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1713	>	final Callable<Boolean> complete1 = failFirst ?
1714	>	() -> fst.completeExceptionally(ex) :
1715	>	() -> fst.complete(v1);
1716	>	final Callable<Boolean> complete2 = failFirst ?
1717	>	() -> snd.complete(v1) :
1718	>	() -> snd.completeExceptionally(ex);
1719	>
1720	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1721	>	assertTrue(complete1.call());
1722	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1723	>	checkIncomplete(h1);
1724	>	checkIncomplete(h2);
1725	>	assertTrue(complete2.call());
1726	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1727	>
1728	>	checkCompletedWithWrappedException(h1, ex);
1729	>	checkCompletedWithWrappedException(h2, ex);
1730	>	checkCompletedWithWrappedException(h3, ex);
1731	>	r1.assertNotInvoked();
1732	>	r2.assertNotInvoked();
1733	>	r3.assertNotInvoked();
1734	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1735	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1736		}}
1737
1738	<	public void testRunAfterBoth_normalCompletion2() {
1738	>	/**
1739	>	* thenCombine result completes exceptionally if either source cancelled
1740	>	*/
1741	>	public void testThenCombine_sourceCancelled() throws Throwable {
1742		for (ExecutionMode m : ExecutionMode.values())
1743	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1744	+	for (boolean fFirst : new boolean[] { true, false })
1745	+	for (boolean failFirst : new boolean[] { true, false })
1746		for (Integer v1 : new Integer[] { 1, null })
1685	–	for (Integer v2 : new Integer[] { 2, null })
1747		{
1748		final CompletableFuture<Integer> f = new CompletableFuture<>();
1749		final CompletableFuture<Integer> g = new CompletableFuture<>();
1750	<	final Noop r = new Noop();
1751	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1752	<
1753	<	g.complete(v2);
1754	<	checkIncomplete(h);
1755	<	assertEquals(0, r.invocationCount);
1756	<	f.complete(v1);
1757	<
1758	<	checkCompletedNormally(h, null);
1759	<	assertEquals(1, r.invocationCount);
1760	<	checkCompletedNormally(f, v1);
1761	<	checkCompletedNormally(g, v2);
1750	>	final SubtractFunction r1 = new SubtractFunction(m);
1751	>	final SubtractFunction r2 = new SubtractFunction(m);
1752	>	final SubtractFunction r3 = new SubtractFunction(m);
1753	>
1754	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1755	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1756	>	final Callable<Boolean> complete1 = failFirst ?
1757	>	() -> fst.cancel(mayInterruptIfRunning) :
1758	>	() -> fst.complete(v1);
1759	>	final Callable<Boolean> complete2 = failFirst ?
1760	>	() -> snd.complete(v1) :
1761	>	() -> snd.cancel(mayInterruptIfRunning);
1762	>
1763	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1764	>	assertTrue(complete1.call());
1765	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1766	>	checkIncomplete(h1);
1767	>	checkIncomplete(h2);
1768	>	assertTrue(complete2.call());
1769	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1770	>
1771	>	checkCompletedWithWrappedCancellationException(h1);
1772	>	checkCompletedWithWrappedCancellationException(h2);
1773	>	checkCompletedWithWrappedCancellationException(h3);
1774	>	r1.assertNotInvoked();
1775	>	r2.assertNotInvoked();
1776	>	r3.assertNotInvoked();
1777	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1778	>	checkCancelled(failFirst ? fst : snd);
1779		}}
1780
1781	<	public void testRunAfterBoth_normalCompletion3() {
1781	>	/**
1782	>	* thenCombine result completes exceptionally if action does
1783	>	*/
1784	>	public void testThenCombine_actionFailed() {
1785		for (ExecutionMode m : ExecutionMode.values())
1786	+	for (boolean fFirst : new boolean[] { true, false })
1787		for (Integer v1 : new Integer[] { 1, null })
1788		for (Integer v2 : new Integer[] { 2, null })
1789		{
1790		final CompletableFuture<Integer> f = new CompletableFuture<>();
1791		final CompletableFuture<Integer> g = new CompletableFuture<>();
1792	<	final Noop r = new Noop();
1793	<
1794	<	g.complete(v2);
1795	<	f.complete(v1);
1796	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1797	<
1798	<	checkCompletedNormally(h, null);
1799	<	assertEquals(1, r.invocationCount);
1792	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1793	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1794	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1795	>
1796	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1797	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1798	>	final Integer w1 =  fFirst ? v1 : v2;
1799	>	final Integer w2 = !fFirst ? v1 : v2;
1800	>
1801	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1802	>	assertTrue(fst.complete(w1));
1803	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1804	>	assertTrue(snd.complete(w2));
1805	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1806	>
1807	>	checkCompletedWithWrappedException(h1, r1.ex);
1808	>	checkCompletedWithWrappedException(h2, r2.ex);
1809	>	checkCompletedWithWrappedException(h3, r3.ex);
1810	>	r1.assertInvoked();
1811	>	r2.assertInvoked();
1812	>	r3.assertInvoked();
1813		checkCompletedNormally(f, v1);
1814		checkCompletedNormally(g, v2);
1815		}}
1816
1817	<	public void testRunAfterBoth_normalCompletion4() {
1817	>	/**
1818	>	* thenAcceptBoth result completes normally after normal
1819	>	* completion of sources
1820	>	*/
1821	>	public void testThenAcceptBoth_normalCompletion() {
1822		for (ExecutionMode m : ExecutionMode.values())
1823	+	for (boolean fFirst : new boolean[] { true, false })
1824		for (Integer v1 : new Integer[] { 1, null })
1825		for (Integer v2 : new Integer[] { 2, null })
1826		{
1827		final CompletableFuture<Integer> f = new CompletableFuture<>();
1828		final CompletableFuture<Integer> g = new CompletableFuture<>();
1829	<	final Noop r = new Noop();
1830	<
1831	<	f.complete(v1);
1832	<	g.complete(v2);
1833	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1834	<
1835	<	checkCompletedNormally(h, null);
1836	<	assertEquals(1, r.invocationCount);
1829	>	final SubtractAction r1 = new SubtractAction(m);
1830	>	final SubtractAction r2 = new SubtractAction(m);
1831	>	final SubtractAction r3 = new SubtractAction(m);
1832	>
1833	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1834	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1835	>	final Integer w1 =  fFirst ? v1 : v2;
1836	>	final Integer w2 = !fFirst ? v1 : v2;
1837	>
1838	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1839	>	assertTrue(fst.complete(w1));
1840	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1841	>	checkIncomplete(h1);
1842	>	checkIncomplete(h2);
1843	>	r1.assertNotInvoked();
1844	>	r2.assertNotInvoked();
1845	>	assertTrue(snd.complete(w2));
1846	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1847	>
1848	>	checkCompletedNormally(h1, null);
1849	>	checkCompletedNormally(h2, null);
1850	>	checkCompletedNormally(h3, null);
1851	>	r1.assertValue(subtract(v1, v2));
1852	>	r2.assertValue(subtract(v1, v2));
1853	>	r3.assertValue(subtract(v1, v2));
1854		checkCompletedNormally(f, v1);
1855		checkCompletedNormally(g, v2);
1856		}}
1857
1858		/**
1859	<	* runAfterBoth result completes exceptionally after exceptional
1859	>	* thenAcceptBoth result completes exceptionally after exceptional
1860		* completion of either source
1861		*/
1862	<	public void testRunAfterBoth_exceptionalCompletion1() {
1746	<	for (ExecutionMode m : ExecutionMode.values())
1747	<	for (Integer v1 : new Integer[] { 1, null })
1748	<	{
1749	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1750	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1751	<	final Noop r = new Noop();
1752	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1753	<	final CFException ex = new CFException();
1754	<
1755	<	f.completeExceptionally(ex);
1756	<	checkIncomplete(h);
1757	<	g.complete(v1);
1758	<
1759	<	checkCompletedWithWrappedCFException(h, ex);
1760	<	checkCompletedWithWrappedCFException(f, ex);
1761	<	assertEquals(0, r.invocationCount);
1762	<	checkCompletedNormally(g, v1);
1763	<	}}
1764	<
1765	<	public void testRunAfterBoth_exceptionalCompletion2() {
1766	<	for (ExecutionMode m : ExecutionMode.values())
1767	<	for (Integer v1 : new Integer[] { 1, null })
1768	<	{
1769	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1770	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1771	<	final Noop r = new Noop();
1772	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1773	<	final CFException ex = new CFException();
1774	<
1775	<	g.completeExceptionally(ex);
1776	<	checkIncomplete(h);
1777	<	f.complete(v1);
1778	<
1779	<	checkCompletedWithWrappedCFException(h, ex);
1780	<	checkCompletedWithWrappedCFException(g, ex);
1781	<	assertEquals(0, r.invocationCount);
1782	<	checkCompletedNormally(f, v1);
1783	<	}}
1784	<
1785	<	public void testRunAfterBoth_exceptionalCompletion3() {
1862	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1863		for (ExecutionMode m : ExecutionMode.values())
1864	+	for (boolean fFirst : new boolean[] { true, false })
1865	+	for (boolean failFirst : new boolean[] { true, false })
1866		for (Integer v1 : new Integer[] { 1, null })
1867		{
1868		final CompletableFuture<Integer> f = new CompletableFuture<>();
1869		final CompletableFuture<Integer> g = new CompletableFuture<>();
1791	–	final Noop r = new Noop();
1870		final CFException ex = new CFException();
1871	<
1872	<	g.completeExceptionally(ex);
1873	<	f.complete(v1);
1874	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1875	<
1876	<	checkCompletedWithWrappedCFException(h, ex);
1877	<	checkCompletedWithWrappedCFException(g, ex);
1878	<	assertEquals(0, r.invocationCount);
1879	<	checkCompletedNormally(f, v1);
1871	>	final SubtractAction r1 = new SubtractAction(m);
1872	>	final SubtractAction r2 = new SubtractAction(m);
1873	>	final SubtractAction r3 = new SubtractAction(m);
1874	>
1875	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1876	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1877	>	final Callable<Boolean> complete1 = failFirst ?
1878	>	() -> fst.completeExceptionally(ex) :
1879	>	() -> fst.complete(v1);
1880	>	final Callable<Boolean> complete2 = failFirst ?
1881	>	() -> snd.complete(v1) :
1882	>	() -> snd.completeExceptionally(ex);
1883	>
1884	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1885	>	assertTrue(complete1.call());
1886	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1887	>	checkIncomplete(h1);
1888	>	checkIncomplete(h2);
1889	>	assertTrue(complete2.call());
1890	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1891	>
1892	>	checkCompletedWithWrappedException(h1, ex);
1893	>	checkCompletedWithWrappedException(h2, ex);
1894	>	checkCompletedWithWrappedException(h3, ex);
1895	>	r1.assertNotInvoked();
1896	>	r2.assertNotInvoked();
1897	>	r3.assertNotInvoked();
1898	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1899	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1900		}}
1901
1902	<	public void testRunAfterBoth_exceptionalCompletion4() {
1902	>	/**
1903	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1904	>	*/
1905	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1906		for (ExecutionMode m : ExecutionMode.values())
1907	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1908	+	for (boolean fFirst : new boolean[] { true, false })
1909	+	for (boolean failFirst : new boolean[] { true, false })
1910		for (Integer v1 : new Integer[] { 1, null })
1911		{
1912		final CompletableFuture<Integer> f = new CompletableFuture<>();
1913		final CompletableFuture<Integer> g = new CompletableFuture<>();
1914	<	final Noop r = new Noop();
1915	<	final CFException ex = new CFException();
1916	<
1917	<	f.completeExceptionally(ex);
1918	<	g.complete(v1);
1919	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1920	<
1921	<	checkCompletedWithWrappedCFException(h, ex);
1922	<	checkCompletedWithWrappedCFException(f, ex);
1923	<	assertEquals(0, r.invocationCount);
1924	<	checkCompletedNormally(g, v1);
1914	>	final SubtractAction r1 = new SubtractAction(m);
1915	>	final SubtractAction r2 = new SubtractAction(m);
1916	>	final SubtractAction r3 = new SubtractAction(m);
1917	>
1918	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1919	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1920	>	final Callable<Boolean> complete1 = failFirst ?
1921	>	() -> fst.cancel(mayInterruptIfRunning) :
1922	>	() -> fst.complete(v1);
1923	>	final Callable<Boolean> complete2 = failFirst ?
1924	>	() -> snd.complete(v1) :
1925	>	() -> snd.cancel(mayInterruptIfRunning);
1926	>
1927	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1928	>	assertTrue(complete1.call());
1929	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1930	>	checkIncomplete(h1);
1931	>	checkIncomplete(h2);
1932	>	assertTrue(complete2.call());
1933	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1934	>
1935	>	checkCompletedWithWrappedCancellationException(h1);
1936	>	checkCompletedWithWrappedCancellationException(h2);
1937	>	checkCompletedWithWrappedCancellationException(h3);
1938	>	r1.assertNotInvoked();
1939	>	r2.assertNotInvoked();
1940	>	r3.assertNotInvoked();
1941	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1942	>	checkCancelled(failFirst ? fst : snd);
1943		}}
1944
1945		/**
1946	<	* runAfterBoth result completes exceptionally if action does
1946	>	* thenAcceptBoth result completes exceptionally if action does
1947		*/
1948	<	public void testRunAfterBoth_actionFailed1() {
1948	>	public void testThenAcceptBoth_actionFailed() {
1949		for (ExecutionMode m : ExecutionMode.values())
1950	+	for (boolean fFirst : new boolean[] { true, false })
1951		for (Integer v1 : new Integer[] { 1, null })
1952		for (Integer v2 : new Integer[] { 2, null })
1953		{
1954		final CompletableFuture<Integer> f = new CompletableFuture<>();
1955		final CompletableFuture<Integer> g = new CompletableFuture<>();
1956	<	final FailingNoop r = new FailingNoop();
1957	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1958	<
1959	<	f.complete(v1);
1960	<	checkIncomplete(h);
1961	<	g.complete(v2);
1962	<
1963	<	checkCompletedWithWrappedCFException(h);
1956	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1957	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1958	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1959	>
1960	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1961	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1962	>	final Integer w1 =  fFirst ? v1 : v2;
1963	>	final Integer w2 = !fFirst ? v1 : v2;
1964	>
1965	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1966	>	assertTrue(fst.complete(w1));
1967	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1968	>	assertTrue(snd.complete(w2));
1969	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1970	>
1971	>	checkCompletedWithWrappedException(h1, r1.ex);
1972	>	checkCompletedWithWrappedException(h2, r2.ex);
1973	>	checkCompletedWithWrappedException(h3, r3.ex);
1974	>	r1.assertInvoked();
1975	>	r2.assertInvoked();
1976	>	r3.assertInvoked();
1977		checkCompletedNormally(f, v1);
1978		checkCompletedNormally(g, v2);
1979		}}
1980
1981	<	public void testRunAfterBoth_actionFailed2() {
1981	>	/**
1982	>	* runAfterBoth result completes normally after normal
1983	>	* completion of sources
1984	>	*/
1985	>	public void testRunAfterBoth_normalCompletion() {
1986		for (ExecutionMode m : ExecutionMode.values())
1987	+	for (boolean fFirst : new boolean[] { true, false })
1988		for (Integer v1 : new Integer[] { 1, null })
1989		for (Integer v2 : new Integer[] { 2, null })
1990		{
1991		final CompletableFuture<Integer> f = new CompletableFuture<>();
1992		final CompletableFuture<Integer> g = new CompletableFuture<>();
1993	<	final FailingNoop r = new FailingNoop();
1994	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1995	<
1996	<	g.complete(v2);
1997	<	checkIncomplete(h);
1998	<	f.complete(v1);
1999	<
2000	<	checkCompletedWithWrappedCFException(h);
1993	>	final Noop r1 = new Noop(m);
1994	>	final Noop r2 = new Noop(m);
1995	>	final Noop r3 = new Noop(m);
1996	>
1997	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1998	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1999	>	final Integer w1 =  fFirst ? v1 : v2;
2000	>	final Integer w2 = !fFirst ? v1 : v2;
2001	>
2002	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2003	>	assertTrue(fst.complete(w1));
2004	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2005	>	checkIncomplete(h1);
2006	>	checkIncomplete(h2);
2007	>	r1.assertNotInvoked();
2008	>	r2.assertNotInvoked();
2009	>	assertTrue(snd.complete(w2));
2010	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2011	>
2012	>	checkCompletedNormally(h1, null);
2013	>	checkCompletedNormally(h2, null);
2014	>	checkCompletedNormally(h3, null);
2015	>	r1.assertInvoked();
2016	>	r2.assertInvoked();
2017	>	r3.assertInvoked();
2018		checkCompletedNormally(f, v1);
2019		checkCompletedNormally(g, v2);
2020		}}
2021
2022		/**
2023	<	* runAfterBoth result completes exceptionally if either source cancelled
2023	>	* runAfterBoth result completes exceptionally after exceptional
2024	>	* completion of either source
2025		*/
2026	<	public void testRunAfterBoth_sourceCancelled1() {
1868	<	for (ExecutionMode m : ExecutionMode.values())
1869	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1870	<	for (Integer v1 : new Integer[] { 1, null })
1871	<	{
1872	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1873	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1874	<	final Noop r = new Noop();
1875	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1876	<
1877	<	assertTrue(f.cancel(mayInterruptIfRunning));
1878	<	checkIncomplete(h);
1879	<	g.complete(v1);
1880	<
1881	<	checkCompletedWithWrappedCancellationException(h);
1882	<	checkCancelled(f);
1883	<	assertEquals(0, r.invocationCount);
1884	<	checkCompletedNormally(g, v1);
1885	<	}}
1886	<
1887	<	public void testRunAfterBoth_sourceCancelled2() {
1888	<	for (ExecutionMode m : ExecutionMode.values())
1889	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1890	<	for (Integer v1 : new Integer[] { 1, null })
1891	<	{
1892	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1893	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1894	<	final Noop r = new Noop();
1895	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1896	<
1897	<	assertTrue(g.cancel(mayInterruptIfRunning));
1898	<	checkIncomplete(h);
1899	<	f.complete(v1);
1900	<
1901	<	checkCompletedWithWrappedCancellationException(h);
1902	<	checkCancelled(g);
1903	<	assertEquals(0, r.invocationCount);
1904	<	checkCompletedNormally(f, v1);
1905	<	}}
1906	<
1907	<	public void testRunAfterBoth_sourceCancelled3() {
2026	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2027		for (ExecutionMode m : ExecutionMode.values())
2028	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2028	>	for (boolean fFirst : new boolean[] { true, false })
2029	>	for (boolean failFirst : new boolean[] { true, false })
2030		for (Integer v1 : new Integer[] { 1, null })
2031		{
2032		final CompletableFuture<Integer> f = new CompletableFuture<>();
2033		final CompletableFuture<Integer> g = new CompletableFuture<>();
2034	<	final Noop r = new Noop();
2035	<
2036	<	assertTrue(g.cancel(mayInterruptIfRunning));
2037	<	f.complete(v1);
2038	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2039	<
2040	<	checkCompletedWithWrappedCancellationException(h);
2041	<	checkCancelled(g);
2042	<	assertEquals(0, r.invocationCount);
2043	<	checkCompletedNormally(f, v1);
2034	>	final CFException ex = new CFException();
2035	>	final Noop r1 = new Noop(m);
2036	>	final Noop r2 = new Noop(m);
2037	>	final Noop r3 = new Noop(m);
2038	>
2039	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2040	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2041	>	final Callable<Boolean> complete1 = failFirst ?
2042	>	() -> fst.completeExceptionally(ex) :
2043	>	() -> fst.complete(v1);
2044	>	final Callable<Boolean> complete2 = failFirst ?
2045	>	() -> snd.complete(v1) :
2046	>	() -> snd.completeExceptionally(ex);
2047	>
2048	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2049	>	assertTrue(complete1.call());
2050	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2051	>	checkIncomplete(h1);
2052	>	checkIncomplete(h2);
2053	>	assertTrue(complete2.call());
2054	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2055	>
2056	>	checkCompletedWithWrappedException(h1, ex);
2057	>	checkCompletedWithWrappedException(h2, ex);
2058	>	checkCompletedWithWrappedException(h3, ex);
2059	>	r1.assertNotInvoked();
2060	>	r2.assertNotInvoked();
2061	>	r3.assertNotInvoked();
2062	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2063	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2064		}}
2065
2066	<	public void testRunAfterBoth_sourceCancelled4() {
2066	>	/**
2067	>	* runAfterBoth result completes exceptionally if either source cancelled
2068	>	*/
2069	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2070		for (ExecutionMode m : ExecutionMode.values())
2071		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2072	+	for (boolean fFirst : new boolean[] { true, false })
2073	+	for (boolean failFirst : new boolean[] { true, false })
2074		for (Integer v1 : new Integer[] { 1, null })
2075		{
2076		final CompletableFuture<Integer> f = new CompletableFuture<>();
2077		final CompletableFuture<Integer> g = new CompletableFuture<>();
2078	<	final Noop r = new Noop();
2079	<
2080	<	assertTrue(f.cancel(mayInterruptIfRunning));
2081	<	g.complete(v1);
2082	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2083	<
2084	<	checkCompletedWithWrappedCancellationException(h);
2085	<	checkCancelled(f);
2086	<	assertEquals(0, r.invocationCount);
2087	<	checkCompletedNormally(g, v1);
2078	>	final Noop r1 = new Noop(m);
2079	>	final Noop r2 = new Noop(m);
2080	>	final Noop r3 = new Noop(m);
2081	>
2082	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2083	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2084	>	final Callable<Boolean> complete1 = failFirst ?
2085	>	() -> fst.cancel(mayInterruptIfRunning) :
2086	>	() -> fst.complete(v1);
2087	>	final Callable<Boolean> complete2 = failFirst ?
2088	>	() -> snd.complete(v1) :
2089	>	() -> snd.cancel(mayInterruptIfRunning);
2090	>
2091	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2092	>	assertTrue(complete1.call());
2093	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2094	>	checkIncomplete(h1);
2095	>	checkIncomplete(h2);
2096	>	assertTrue(complete2.call());
2097	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2098	>
2099	>	checkCompletedWithWrappedCancellationException(h1);
2100	>	checkCompletedWithWrappedCancellationException(h2);
2101	>	checkCompletedWithWrappedCancellationException(h3);
2102	>	r1.assertNotInvoked();
2103	>	r2.assertNotInvoked();
2104	>	r3.assertNotInvoked();
2105	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2106	>	checkCancelled(failFirst ? fst : snd);
2107		}}
2108
2109		/**
2110	<	* applyToEither result completes normally after normal completion
1947	<	* of either source
2110	>	* runAfterBoth result completes exceptionally if action does
2111		*/
2112	<	public void testApplyToEither_normalCompletion1() {
2112	>	public void testRunAfterBoth_actionFailed() {
2113		for (ExecutionMode m : ExecutionMode.values())
2114	+	for (boolean fFirst : new boolean[] { true, false })
2115		for (Integer v1 : new Integer[] { 1, null })
2116		for (Integer v2 : new Integer[] { 2, null })
2117		{
2118		final CompletableFuture<Integer> f = new CompletableFuture<>();
2119		final CompletableFuture<Integer> g = new CompletableFuture<>();
2120	<	final IncFunction r = new IncFunction();
2121	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2122	<
2123	<	f.complete(v1);
2124	<	checkCompletedNormally(h, inc(v1));
2125	<	g.complete(v2);
2126	<
2120	>	final FailingRunnable r1 = new FailingRunnable(m);
2121	>	final FailingRunnable r2 = new FailingRunnable(m);
2122	>	final FailingRunnable r3 = new FailingRunnable(m);
2123	>
2124	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2125	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2126	>	final Integer w1 =  fFirst ? v1 : v2;
2127	>	final Integer w2 = !fFirst ? v1 : v2;
2128	>
2129	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2130	>	assertTrue(fst.complete(w1));
2131	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2132	>	assertTrue(snd.complete(w2));
2133	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2134	>
2135	>	checkCompletedWithWrappedException(h1, r1.ex);
2136	>	checkCompletedWithWrappedException(h2, r2.ex);
2137	>	checkCompletedWithWrappedException(h3, r3.ex);
2138	>	r1.assertInvoked();
2139	>	r2.assertInvoked();
2140	>	r3.assertInvoked();
2141		checkCompletedNormally(f, v1);
2142		checkCompletedNormally(g, v2);
1965	–	checkCompletedNormally(h, inc(v1));
2143		}}
2144
2145	<	public void testApplyToEither_normalCompletion2() {
2145	>	/**
2146	>	* applyToEither result completes normally after normal completion
2147	>	* of either source
2148	>	*/
2149	>	public void testApplyToEither_normalCompletion() {
2150		for (ExecutionMode m : ExecutionMode.values())
2151		for (Integer v1 : new Integer[] { 1, null })
2152		for (Integer v2 : new Integer[] { 2, null })
2153		{
2154		final CompletableFuture<Integer> f = new CompletableFuture<>();
2155		final CompletableFuture<Integer> g = new CompletableFuture<>();
2156	<	final IncFunction r = new IncFunction();
2157	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2156	>	final IncFunction[] rs = new IncFunction[6];
2157	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2158
2159	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2160	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2161	+	checkIncomplete(h0);
2162	+	checkIncomplete(h1);
2163	+	rs[0].assertNotInvoked();
2164	+	rs[1].assertNotInvoked();
2165	+	f.complete(v1);
2166	+	checkCompletedNormally(h0, inc(v1));
2167	+	checkCompletedNormally(h1, inc(v1));
2168	+	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2169	+	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2170	+	checkCompletedNormally(h2, inc(v1));
2171	+	checkCompletedNormally(h3, inc(v1));
2172		g.complete(v2);
1979	–	checkCompletedNormally(h, inc(v2));
1980	–	f.complete(v1);
2173
2174	<	checkCompletedNormally(f, v1);
2175	<	checkCompletedNormally(g, v2);
2176	<	checkCompletedNormally(h, inc(v2));
2177	<	}}
2178	<
2179	<	public void testApplyToEither_normalCompletion3() {
2180	<	for (ExecutionMode m : ExecutionMode.values())
2181	<	for (Integer v1 : new Integer[] { 1, null })
2182	<	for (Integer v2 : new Integer[] { 2, null })
1991	<	{
1992	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1993	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1994	<	final IncFunction r = new IncFunction();
1995	<
1996	<	f.complete(v1);
1997	<	g.complete(v2);
1998	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2174	>	// unspecified behavior - both source completions available
2175	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2176	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2177	>	rs[4].assertValue(h4.join());
2178	>	rs[5].assertValue(h5.join());
2179	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2180	>	Objects.equals(inc(v2), h4.join()));
2181	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2182	>	Objects.equals(inc(v2), h5.join()));
2183
2184		checkCompletedNormally(f, v1);
2185		checkCompletedNormally(g, v2);
2186	<
2187	<	// unspecified behavior
2188	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2189	<	Objects.equals(h.join(), inc(v2)));
2190	<	assertEquals(1, r.invocationCount);
2186	>	checkCompletedNormally(h0, inc(v1));
2187	>	checkCompletedNormally(h1, inc(v1));
2188	>	checkCompletedNormally(h2, inc(v1));
2189	>	checkCompletedNormally(h3, inc(v1));
2190	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2191		}}
2192
2193		/**
2194		* applyToEither result completes exceptionally after exceptional
2195		* completion of either source
2196		*/
2197	<	public void testApplyToEither_exceptionalCompletion1() {
2197	>	public void testApplyToEither_exceptionalCompletion() {
2198		for (ExecutionMode m : ExecutionMode.values())
2199		for (Integer v1 : new Integer[] { 1, null })
2200		{
2201		final CompletableFuture<Integer> f = new CompletableFuture<>();
2202		final CompletableFuture<Integer> g = new CompletableFuture<>();
2019	–	final IncFunction r = new IncFunction();
2020	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2203		final CFException ex = new CFException();
2204	+	final IncFunction[] rs = new IncFunction[6];
2205	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2206
2207	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2208	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2209	+	checkIncomplete(h0);
2210	+	checkIncomplete(h1);
2211	+	rs[0].assertNotInvoked();
2212	+	rs[1].assertNotInvoked();
2213		f.completeExceptionally(ex);
2214	<	checkCompletedWithWrappedCFException(h, ex);
2214	>	checkCompletedWithWrappedException(h0, ex);
2215	>	checkCompletedWithWrappedException(h1, ex);
2216	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2217	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2218	>	checkCompletedWithWrappedException(h2, ex);
2219	>	checkCompletedWithWrappedException(h3, ex);
2220		g.complete(v1);
2221
2222	<	assertEquals(0, r.invocationCount);
2222	>	// unspecified behavior - both source completions available
2223	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2224	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2225	>	try {
2226	>	assertEquals(inc(v1), h4.join());
2227	>	rs[4].assertValue(inc(v1));
2228	>	} catch (CompletionException ok) {
2229	>	checkCompletedWithWrappedException(h4, ex);
2230	>	rs[4].assertNotInvoked();
2231	>	}
2232	>	try {
2233	>	assertEquals(inc(v1), h5.join());
2234	>	rs[5].assertValue(inc(v1));
2235	>	} catch (CompletionException ok) {
2236	>	checkCompletedWithWrappedException(h5, ex);
2237	>	rs[5].assertNotInvoked();
2238	>	}
2239	>
2240	>	checkCompletedExceptionally(f, ex);
2241		checkCompletedNormally(g, v1);
2242	<	checkCompletedWithWrappedCFException(f, ex);
2243	<	checkCompletedWithWrappedCFException(h, ex);
2242	>	checkCompletedWithWrappedException(h0, ex);
2243	>	checkCompletedWithWrappedException(h1, ex);
2244	>	checkCompletedWithWrappedException(h2, ex);
2245	>	checkCompletedWithWrappedException(h3, ex);
2246	>	checkCompletedWithWrappedException(h4, ex);
2247	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2248		}}
2249
2250		public void testApplyToEither_exceptionalCompletion2() {
2251		for (ExecutionMode m : ExecutionMode.values())
2252	+	for (boolean fFirst : new boolean[] { true, false })
2253		for (Integer v1 : new Integer[] { 1, null })
2254		{
2255		final CompletableFuture<Integer> f = new CompletableFuture<>();
2256		final CompletableFuture<Integer> g = new CompletableFuture<>();
2039	–	final IncFunction r = new IncFunction();
2040	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2041	–	final CFException ex = new CFException();
2042	–
2043	–	g.completeExceptionally(ex);
2044	–	checkCompletedWithWrappedCFException(h, ex);
2045	–	f.complete(v1);
2046	–
2047	–	assertEquals(0, r.invocationCount);
2048	–	checkCompletedNormally(f, v1);
2049	–	checkCompletedWithWrappedCFException(g, ex);
2050	–	checkCompletedWithWrappedCFException(h, ex);
2051	–	}}
2052	–
2053	–	public void testApplyToEither_exceptionalCompletion3() {
2054	–	for (ExecutionMode m : ExecutionMode.values())
2055	–	for (Integer v1 : new Integer[] { 1, null })
2056	–	{
2057	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2058	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2059	–	final IncFunction r = new IncFunction();
2257		final CFException ex = new CFException();
2258	+	final IncFunction[] rs = new IncFunction[6];
2259	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2260
2261	<	g.completeExceptionally(ex);
2262	<	f.complete(v1);
2263	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2261	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2262	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2263	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2264	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2265	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2266	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2267
2268	<	// unspecified behavior
2067	<	Integer v;
2268	>	// unspecified behavior - both source completions available
2269		try {
2270	<	assertEquals(inc(v1), h.join());
2271	<	assertEquals(1, r.invocationCount);
2270	>	assertEquals(inc(v1), h0.join());
2271	>	rs[0].assertValue(inc(v1));
2272		} catch (CompletionException ok) {
2273	<	checkCompletedWithWrappedCFException(h, ex);
2274	<	assertEquals(0, r.invocationCount);
2273	>	checkCompletedWithWrappedException(h0, ex);
2274	>	rs[0].assertNotInvoked();
2275		}
2075	–
2076	–	checkCompletedWithWrappedCFException(g, ex);
2077	–	checkCompletedNormally(f, v1);
2078	–	}}
2079	–
2080	–	public void testApplyToEither_exceptionalCompletion4() {
2081	–	for (ExecutionMode m : ExecutionMode.values())
2082	–	for (Integer v1 : new Integer[] { 1, null })
2083	–	{
2084	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2085	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2086	–	final IncFunction r = new IncFunction();
2087	–	final CFException ex = new CFException();
2088	–
2089	–	f.completeExceptionally(ex);
2090	–	g.complete(v1);
2091	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2092	–
2093	–	// unspecified behavior
2094	–	Integer v;
2276		try {
2277	<	assertEquals(inc(v1), h.join());
2278	<	assertEquals(1, r.invocationCount);
2277	>	assertEquals(inc(v1), h1.join());
2278	>	rs[1].assertValue(inc(v1));
2279		} catch (CompletionException ok) {
2280	<	checkCompletedWithWrappedCFException(h, ex);
2281	<	assertEquals(0, r.invocationCount);
2280	>	checkCompletedWithWrappedException(h1, ex);
2281	>	rs[1].assertNotInvoked();
2282	>	}
2283	>	try {
2284	>	assertEquals(inc(v1), h2.join());
2285	>	rs[2].assertValue(inc(v1));
2286	>	} catch (CompletionException ok) {
2287	>	checkCompletedWithWrappedException(h2, ex);
2288	>	rs[2].assertNotInvoked();
2289	>	}
2290	>	try {
2291	>	assertEquals(inc(v1), h3.join());
2292	>	rs[3].assertValue(inc(v1));
2293	>	} catch (CompletionException ok) {
2294	>	checkCompletedWithWrappedException(h3, ex);
2295	>	rs[3].assertNotInvoked();
2296		}
2297
2103	–	checkCompletedWithWrappedCFException(f, ex);
2104	–	checkCompletedNormally(g, v1);
2105	–	}}
2106	–
2107	–	/**
2108	–	* applyToEither result completes exceptionally if action does
2109	–	*/
2110	–	public void testApplyToEither_actionFailed1() {
2111	–	for (ExecutionMode m : ExecutionMode.values())
2112	–	for (Integer v1 : new Integer[] { 1, null })
2113	–	for (Integer v2 : new Integer[] { 2, null })
2114	–	{
2115	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2116	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2117	–	final FailingFunction r = new FailingFunction();
2118	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2119	–
2120	–	f.complete(v1);
2121	–	checkCompletedWithWrappedCFException(h);
2122	–	g.complete(v2);
2123	–	checkCompletedNormally(f, v1);
2124	–	checkCompletedNormally(g, v2);
2125	–	}}
2126	–
2127	–	public void testApplyToEither_actionFailed2() {
2128	–	for (ExecutionMode m : ExecutionMode.values())
2129	–	for (Integer v1 : new Integer[] { 1, null })
2130	–	for (Integer v2 : new Integer[] { 2, null })
2131	–	{
2132	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2133	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2134	–	final FailingFunction r = new FailingFunction();
2135	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2136	–
2137	–	g.complete(v2);
2138	–	checkCompletedWithWrappedCFException(h);
2139	–	f.complete(v1);
2298		checkCompletedNormally(f, v1);
2299	<	checkCompletedNormally(g, v2);
2299	>	checkCompletedExceptionally(g, ex);
2300		}}
2301
2302		/**
2303		* applyToEither result completes exceptionally if either source cancelled
2304		*/
2305	<	public void testApplyToEither_sourceCancelled1() {
2305	>	public void testApplyToEither_sourceCancelled() {
2306		for (ExecutionMode m : ExecutionMode.values())
2307		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2308		for (Integer v1 : new Integer[] { 1, null })
2309		{
2310		final CompletableFuture<Integer> f = new CompletableFuture<>();
2311		final CompletableFuture<Integer> g = new CompletableFuture<>();
2312	<	final IncFunction r = new IncFunction();
2313	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2312	>	final IncFunction[] rs = new IncFunction[6];
2313	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2314
2315	<	assertTrue(f.cancel(mayInterruptIfRunning));
2316	<	checkCompletedWithWrappedCancellationException(h);
2315	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2316	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2317	>	checkIncomplete(h0);
2318	>	checkIncomplete(h1);
2319	>	rs[0].assertNotInvoked();
2320	>	rs[1].assertNotInvoked();
2321	>	f.cancel(mayInterruptIfRunning);
2322	>	checkCompletedWithWrappedCancellationException(h0);
2323	>	checkCompletedWithWrappedCancellationException(h1);
2324	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2325	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2326	>	checkCompletedWithWrappedCancellationException(h2);
2327	>	checkCompletedWithWrappedCancellationException(h3);
2328		g.complete(v1);
2329
2330	+	// unspecified behavior - both source completions available
2331	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2332	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2333	+	try {
2334	+	assertEquals(inc(v1), h4.join());
2335	+	rs[4].assertValue(inc(v1));
2336	+	} catch (CompletionException ok) {
2337	+	checkCompletedWithWrappedCancellationException(h4);
2338	+	rs[4].assertNotInvoked();
2339	+	}
2340	+	try {
2341	+	assertEquals(inc(v1), h5.join());
2342	+	rs[5].assertValue(inc(v1));
2343	+	} catch (CompletionException ok) {
2344	+	checkCompletedWithWrappedCancellationException(h5);
2345	+	rs[5].assertNotInvoked();
2346	+	}
2347	+
2348		checkCancelled(f);
2162	–	assertEquals(0, r.invocationCount);
2349		checkCompletedNormally(g, v1);
2350	<	checkCompletedWithWrappedCancellationException(h);
2350	>	checkCompletedWithWrappedCancellationException(h0);
2351	>	checkCompletedWithWrappedCancellationException(h1);
2352	>	checkCompletedWithWrappedCancellationException(h2);
2353	>	checkCompletedWithWrappedCancellationException(h3);
2354	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2355		}}
2356
2357		public void testApplyToEither_sourceCancelled2() {
2358		for (ExecutionMode m : ExecutionMode.values())
2359		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2360	+	for (boolean fFirst : new boolean[] { true, false })
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 IncFunction r = new IncFunction();
2366	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2176	<
2177	<	assertTrue(g.cancel(mayInterruptIfRunning));
2178	<	checkCompletedWithWrappedCancellationException(h);
2179	<	f.complete(v1);
2180	<
2181	<	checkCancelled(g);
2182	<	assertEquals(0, r.invocationCount);
2183	<	checkCompletedNormally(f, v1);
2184	<	checkCompletedWithWrappedCancellationException(h);
2185	<	}}
2186	<
2187	<	public void testApplyToEither_sourceCancelled3() {
2188	<	for (ExecutionMode m : ExecutionMode.values())
2189	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2190	<	for (Integer v1 : new Integer[] { 1, null })
2191	<	{
2192	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2193	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2194	<	final IncFunction r = new IncFunction();
2365	>	final IncFunction[] rs = new IncFunction[6];
2366	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2367
2368	<	assertTrue(g.cancel(mayInterruptIfRunning));
2369	<	f.complete(v1);
2370	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2368	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2369	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2370	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2371	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2372	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2373	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2374
2375	<	// unspecified behavior
2201	<	Integer v;
2375	>	// unspecified behavior - both source completions available
2376		try {
2377	<	assertEquals(inc(v1), h.join());
2378	<	assertEquals(1, r.invocationCount);
2377	>	assertEquals(inc(v1), h0.join());
2378	>	rs[0].assertValue(inc(v1));
2379		} catch (CompletionException ok) {
2380	<	checkCompletedWithWrappedCancellationException(h);
2381	<	assertEquals(0, r.invocationCount);
2380	>	checkCompletedWithWrappedCancellationException(h0);
2381	>	rs[0].assertNotInvoked();
2382	>	}
2383	>	try {
2384	>	assertEquals(inc(v1), h1.join());
2385	>	rs[1].assertValue(inc(v1));
2386	>	} catch (CompletionException ok) {
2387	>	checkCompletedWithWrappedCancellationException(h1);
2388	>	rs[1].assertNotInvoked();
2389		}
2209	–
2210	–	checkCancelled(g);
2211	–	checkCompletedNormally(f, v1);
2212	–	}}
2213	–
2214	–	public void testApplyToEither_sourceCancelled4() {
2215	–	for (ExecutionMode m : ExecutionMode.values())
2216	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2217	–	for (Integer v1 : new Integer[] { 1, null })
2218	–	{
2219	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2220	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2221	–	final IncFunction r = new IncFunction();
2222	–
2223	–	assertTrue(f.cancel(mayInterruptIfRunning));
2224	–	g.complete(v1);
2225	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2226	–
2227	–	// unspecified behavior
2228	–	Integer v;
2390		try {
2391	<	assertEquals(inc(v1), h.join());
2392	<	assertEquals(1, r.invocationCount);
2391	>	assertEquals(inc(v1), h2.join());
2392	>	rs[2].assertValue(inc(v1));
2393		} catch (CompletionException ok) {
2394	<	checkCompletedWithWrappedCancellationException(h);
2395	<	assertEquals(0, r.invocationCount);
2394	>	checkCompletedWithWrappedCancellationException(h2);
2395	>	rs[2].assertNotInvoked();
2396	>	}
2397	>	try {
2398	>	assertEquals(inc(v1), h3.join());
2399	>	rs[3].assertValue(inc(v1));
2400	>	} catch (CompletionException ok) {
2401	>	checkCompletedWithWrappedCancellationException(h3);
2402	>	rs[3].assertNotInvoked();
2403		}
2404
2405	<	checkCancelled(f);
2406	<	checkCompletedNormally(g, v1);
2405	>	checkCompletedNormally(f, v1);
2406	>	checkCancelled(g);
2407		}}
2408
2409		/**
2410	<	* acceptEither result completes normally after normal completion
2243	<	* of either source
2410	>	* applyToEither result completes exceptionally if action does
2411		*/
2412	<	public void testAcceptEither_normalCompletion1() {
2412	>	public void testApplyToEither_actionFailed() {
2413		for (ExecutionMode m : ExecutionMode.values())
2414		for (Integer v1 : new Integer[] { 1, null })
2415		for (Integer v2 : new Integer[] { 2, null })
2416		{
2417		final CompletableFuture<Integer> f = new CompletableFuture<>();
2418		final CompletableFuture<Integer> g = new CompletableFuture<>();
2419	<	final IncAction r = new IncAction();
2420	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2419	>	final FailingFunction[] rs = new FailingFunction[6];
2420	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2421
2422	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2423	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2424		f.complete(v1);
2425	<	checkCompletedNormally(h, null);
2426	<	assertEquals(inc(v1), r.value);
2427	<	g.complete(v2);
2428	<
2429	<	checkCompletedNormally(f, v1);
2430	<	checkCompletedNormally(g, v2);
2431	<	checkCompletedNormally(h, null);
2263	<	}}
2264	<
2265	<	public void testAcceptEither_normalCompletion2() {
2266	<	for (ExecutionMode m : ExecutionMode.values())
2267	<	for (Integer v1 : new Integer[] { 1, null })
2268	<	for (Integer v2 : new Integer[] { 2, null })
2269	<	{
2270	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2271	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2272	<	final IncAction r = new IncAction();
2273	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2425	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2426	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2427	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2428	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2429	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2430	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2431	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2432
2433		g.complete(v2);
2434	<	checkCompletedNormally(h, null);
2435	<	assertEquals(inc(v2), r.value);
2436	<	f.complete(v1);
2434	>
2435	>	// unspecified behavior - both source completions available
2436	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2437	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2438	>
2439	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2440	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2441	>	Objects.equals(v2, rs[4].value));
2442	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2443	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2444	>	Objects.equals(v2, rs[5].value));
2445
2446		checkCompletedNormally(f, v1);
2447		checkCompletedNormally(g, v2);
2282	–	checkCompletedNormally(h, null);
2448		}}
2449
2450	<	public void testAcceptEither_normalCompletion3() {
2450	>	/**
2451	>	* acceptEither result completes normally after normal completion
2452	>	* of either source
2453	>	*/
2454	>	public void testAcceptEither_normalCompletion() {
2455		for (ExecutionMode m : ExecutionMode.values())
2456		for (Integer v1 : new Integer[] { 1, null })
2457		for (Integer v2 : new Integer[] { 2, null })
2458		{
2459		final CompletableFuture<Integer> f = new CompletableFuture<>();
2460		final CompletableFuture<Integer> g = new CompletableFuture<>();
2461	<	final IncAction r = new IncAction();
2461	>	final NoopConsumer[] rs = new NoopConsumer[6];
2462	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2463
2464	<	f.complete(v1);
2464	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2465	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2466	>	checkIncomplete(h0);
2467	>	checkIncomplete(h1);
2468	>	rs[0].assertNotInvoked();
2469	>	rs[1].assertNotInvoked();
2470	>	f.complete(v1);
2471	>	checkCompletedNormally(h0, null);
2472	>	checkCompletedNormally(h1, null);
2473	>	rs[0].assertValue(v1);
2474	>	rs[1].assertValue(v1);
2475	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2476	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2477	>	checkCompletedNormally(h2, null);
2478	>	checkCompletedNormally(h3, null);
2479	>	rs[2].assertValue(v1);
2480	>	rs[3].assertValue(v1);
2481		g.complete(v2);
2296	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2482
2483	<	checkCompletedNormally(h, null);
2483	>	// unspecified behavior - both source completions available
2484	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2485	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2486	>	checkCompletedNormally(h4, null);
2487	>	checkCompletedNormally(h5, null);
2488	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2489	>	Objects.equals(v2, rs[4].value));
2490	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2491	>	Objects.equals(v2, rs[5].value));
2492	>
2493		checkCompletedNormally(f, v1);
2494		checkCompletedNormally(g, v2);
2495	<
2496	<	// unspecified behavior
2497	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2498	<	Objects.equals(r.value, inc(v2)));
2495	>	checkCompletedNormally(h0, null);
2496	>	checkCompletedNormally(h1, null);
2497	>	checkCompletedNormally(h2, null);
2498	>	checkCompletedNormally(h3, null);
2499	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2500		}}
2501
2502		/**
2503		* acceptEither result completes exceptionally after exceptional
2504		* completion of either source
2505		*/
2506	<	public void testAcceptEither_exceptionalCompletion1() {
2506	>	public void testAcceptEither_exceptionalCompletion() {
2507		for (ExecutionMode m : ExecutionMode.values())
2508		for (Integer v1 : new Integer[] { 1, null })
2509		{
2510		final CompletableFuture<Integer> f = new CompletableFuture<>();
2511		final CompletableFuture<Integer> g = new CompletableFuture<>();
2317	–	final IncAction r = new IncAction();
2318	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2512		final CFException ex = new CFException();
2513	+	final NoopConsumer[] rs = new NoopConsumer[6];
2514	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2515
2516	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2517	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2518	+	checkIncomplete(h0);
2519	+	checkIncomplete(h1);
2520	+	rs[0].assertNotInvoked();
2521	+	rs[1].assertNotInvoked();
2522		f.completeExceptionally(ex);
2523	<	checkCompletedWithWrappedCFException(h, ex);
2523	>	checkCompletedWithWrappedException(h0, ex);
2524	>	checkCompletedWithWrappedException(h1, ex);
2525	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2526	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2527	>	checkCompletedWithWrappedException(h2, ex);
2528	>	checkCompletedWithWrappedException(h3, ex);
2529	>
2530		g.complete(v1);
2531
2532	<	assertEquals(0, r.invocationCount);
2532	>	// unspecified behavior - both source completions available
2533	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2534	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2535	>	try {
2536	>	assertNull(h4.join());
2537	>	rs[4].assertValue(v1);
2538	>	} catch (CompletionException ok) {
2539	>	checkCompletedWithWrappedException(h4, ex);
2540	>	rs[4].assertNotInvoked();
2541	>	}
2542	>	try {
2543	>	assertNull(h5.join());
2544	>	rs[5].assertValue(v1);
2545	>	} catch (CompletionException ok) {
2546	>	checkCompletedWithWrappedException(h5, ex);
2547	>	rs[5].assertNotInvoked();
2548	>	}
2549	>
2550	>	checkCompletedExceptionally(f, ex);
2551		checkCompletedNormally(g, v1);
2552	<	checkCompletedWithWrappedCFException(f, ex);
2553	<	checkCompletedWithWrappedCFException(h, ex);
2552	>	checkCompletedWithWrappedException(h0, ex);
2553	>	checkCompletedWithWrappedException(h1, ex);
2554	>	checkCompletedWithWrappedException(h2, ex);
2555	>	checkCompletedWithWrappedException(h3, ex);
2556	>	checkCompletedWithWrappedException(h4, ex);
2557	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2558		}}
2559
2560		public void testAcceptEither_exceptionalCompletion2() {
2561		for (ExecutionMode m : ExecutionMode.values())
2562	+	for (boolean fFirst : new boolean[] { true, false })
2563		for (Integer v1 : new Integer[] { 1, null })
2564		{
2565		final CompletableFuture<Integer> f = new CompletableFuture<>();
2566		final CompletableFuture<Integer> g = new CompletableFuture<>();
2337	–	final IncAction r = new IncAction();
2338	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2339	–	final CFException ex = new CFException();
2340	–
2341	–	g.completeExceptionally(ex);
2342	–	checkCompletedWithWrappedCFException(h, ex);
2343	–	f.complete(v1);
2344	–
2345	–	assertEquals(0, r.invocationCount);
2346	–	checkCompletedNormally(f, v1);
2347	–	checkCompletedWithWrappedCFException(g, ex);
2348	–	checkCompletedWithWrappedCFException(h, ex);
2349	–	}}
2350	–
2351	–	public void testAcceptEither_exceptionalCompletion3() {
2352	–	for (ExecutionMode m : ExecutionMode.values())
2353	–	for (Integer v1 : new Integer[] { 1, null })
2354	–	{
2355	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2356	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2357	–	final IncAction r = new IncAction();
2567		final CFException ex = new CFException();
2568	+	final NoopConsumer[] rs = new NoopConsumer[6];
2569	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2570
2571	<	g.completeExceptionally(ex);
2572	<	f.complete(v1);
2573	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2571	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2572	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2573	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2574	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2575	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2576	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2577
2578	<	// unspecified behavior
2365	<	Integer v;
2578	>	// unspecified behavior - both source completions available
2579		try {
2580	<	assertNull(h.join());
2581	<	assertEquals(1, r.invocationCount);
2369	<	assertEquals(inc(v1), r.value);
2580	>	assertNull(h0.join());
2581	>	rs[0].assertValue(v1);
2582		} catch (CompletionException ok) {
2583	<	checkCompletedWithWrappedCFException(h, ex);
2584	<	assertEquals(0, r.invocationCount);
2583	>	checkCompletedWithWrappedException(h0, ex);
2584	>	rs[0].assertNotInvoked();
2585		}
2374	–
2375	–	checkCompletedWithWrappedCFException(g, ex);
2376	–	checkCompletedNormally(f, v1);
2377	–	}}
2378	–
2379	–	public void testAcceptEither_exceptionalCompletion4() {
2380	–	for (ExecutionMode m : ExecutionMode.values())
2381	–	for (Integer v1 : new Integer[] { 1, null })
2382	–	{
2383	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2384	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2385	–	final IncAction r = new IncAction();
2386	–	final CFException ex = new CFException();
2387	–
2388	–	f.completeExceptionally(ex);
2389	–	g.complete(v1);
2390	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2391	–
2392	–	// unspecified behavior
2393	–	Integer v;
2586		try {
2587	<	assertNull(h.join());
2588	<	assertEquals(1, r.invocationCount);
2397	<	assertEquals(inc(v1), r.value);
2587	>	assertNull(h1.join());
2588	>	rs[1].assertValue(v1);
2589		} catch (CompletionException ok) {
2590	<	checkCompletedWithWrappedCFException(h, ex);
2591	<	assertEquals(0, r.invocationCount);
2590	>	checkCompletedWithWrappedException(h1, ex);
2591	>	rs[1].assertNotInvoked();
2592	>	}
2593	>	try {
2594	>	assertNull(h2.join());
2595	>	rs[2].assertValue(v1);
2596	>	} catch (CompletionException ok) {
2597	>	checkCompletedWithWrappedException(h2, ex);
2598	>	rs[2].assertNotInvoked();
2599	>	}
2600	>	try {
2601	>	assertNull(h3.join());
2602	>	rs[3].assertValue(v1);
2603	>	} catch (CompletionException ok) {
2604	>	checkCompletedWithWrappedException(h3, ex);
2605	>	rs[3].assertNotInvoked();
2606		}
2607
2403	–	checkCompletedWithWrappedCFException(f, ex);
2404	–	checkCompletedNormally(g, v1);
2405	–	}}
2406	–
2407	–	/**
2408	–	* acceptEither result completes exceptionally if action does
2409	–	*/
2410	–	public void testAcceptEither_actionFailed1() {
2411	–	for (ExecutionMode m : ExecutionMode.values())
2412	–	for (Integer v1 : new Integer[] { 1, null })
2413	–	for (Integer v2 : new Integer[] { 2, null })
2414	–	{
2415	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2416	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2417	–	final FailingConsumer r = new FailingConsumer();
2418	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2419	–
2420	–	f.complete(v1);
2421	–	checkCompletedWithWrappedCFException(h);
2422	–	g.complete(v2);
2423	–	checkCompletedNormally(f, v1);
2424	–	checkCompletedNormally(g, v2);
2425	–	}}
2426	–
2427	–	public void testAcceptEither_actionFailed2() {
2428	–	for (ExecutionMode m : ExecutionMode.values())
2429	–	for (Integer v1 : new Integer[] { 1, null })
2430	–	for (Integer v2 : new Integer[] { 2, null })
2431	–	{
2432	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2433	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2434	–	final FailingConsumer r = new FailingConsumer();
2435	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2436	–
2437	–	g.complete(v2);
2438	–	checkCompletedWithWrappedCFException(h);
2439	–	f.complete(v1);
2608		checkCompletedNormally(f, v1);
2609	<	checkCompletedNormally(g, v2);
2609	>	checkCompletedExceptionally(g, ex);
2610		}}
2611
2612		/**
2613		* acceptEither result completes exceptionally if either source cancelled
2614		*/
2615	<	public void testAcceptEither_sourceCancelled1() {
2448	<	for (ExecutionMode m : ExecutionMode.values())
2449	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2450	<	for (Integer v1 : new Integer[] { 1, null })
2451	<	{
2452	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2453	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2454	<	final IncAction r = new IncAction();
2455	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2456	<
2457	<	assertTrue(f.cancel(mayInterruptIfRunning));
2458	<	checkCompletedWithWrappedCancellationException(h);
2459	<	g.complete(v1);
2460	<
2461	<	checkCancelled(f);
2462	<	assertEquals(0, r.invocationCount);
2463	<	checkCompletedNormally(g, v1);
2464	<	checkCompletedWithWrappedCancellationException(h);
2465	<	}}
2466	<
2467	<	public void testAcceptEither_sourceCancelled2() {
2615	>	public void testAcceptEither_sourceCancelled() {
2616		for (ExecutionMode m : ExecutionMode.values())
2617		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2618		for (Integer v1 : new Integer[] { 1, null })
2619		{
2620		final CompletableFuture<Integer> f = new CompletableFuture<>();
2621		final CompletableFuture<Integer> g = new CompletableFuture<>();
2622	<	final IncAction r = new IncAction();
2623	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2622	>	final NoopConsumer[] rs = new NoopConsumer[6];
2623	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2624
2625	<	assertTrue(g.cancel(mayInterruptIfRunning));
2626	<	checkCompletedWithWrappedCancellationException(h);
2627	<	f.complete(v1);
2625	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2626	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2627	>	checkIncomplete(h0);
2628	>	checkIncomplete(h1);
2629	>	rs[0].assertNotInvoked();
2630	>	rs[1].assertNotInvoked();
2631	>	f.cancel(mayInterruptIfRunning);
2632	>	checkCompletedWithWrappedCancellationException(h0);
2633	>	checkCompletedWithWrappedCancellationException(h1);
2634	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2635	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2636	>	checkCompletedWithWrappedCancellationException(h2);
2637	>	checkCompletedWithWrappedCancellationException(h3);
2638
2639	<	checkCancelled(g);
2482	<	assertEquals(0, r.invocationCount);
2483	<	checkCompletedNormally(f, v1);
2484	<	checkCompletedWithWrappedCancellationException(h);
2485	<	}}
2486	<
2487	<	public void testAcceptEither_sourceCancelled3() {
2488	<	for (ExecutionMode m : ExecutionMode.values())
2489	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2490	<	for (Integer v1 : new Integer[] { 1, null })
2491	<	{
2492	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2493	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2494	<	final IncAction r = new IncAction();
2495	<
2496	<	assertTrue(g.cancel(mayInterruptIfRunning));
2497	<	f.complete(v1);
2498	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2639	>	g.complete(v1);
2640
2641	<	// unspecified behavior
2642	<	Integer v;
2641	>	// unspecified behavior - both source completions available
2642	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2643	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2644		try {
2645	<	assertNull(h.join());
2646	<	assertEquals(1, r.invocationCount);
2505	<	assertEquals(inc(v1), r.value);
2645	>	assertNull(h4.join());
2646	>	rs[4].assertValue(v1);
2647		} catch (CompletionException ok) {
2648	<	checkCompletedWithWrappedCancellationException(h);
2649	<	assertEquals(0, r.invocationCount);
2648	>	checkCompletedWithWrappedCancellationException(h4);
2649	>	rs[4].assertNotInvoked();
2650		}
2510	–
2511	–	checkCancelled(g);
2512	–	checkCompletedNormally(f, v1);
2513	–	}}
2514	–
2515	–	public void testAcceptEither_sourceCancelled4() {
2516	–	for (ExecutionMode m : ExecutionMode.values())
2517	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2518	–	for (Integer v1 : new Integer[] { 1, null })
2519	–	{
2520	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2521	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2522	–	final IncAction r = new IncAction();
2523	–
2524	–	assertTrue(f.cancel(mayInterruptIfRunning));
2525	–	g.complete(v1);
2526	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2527	–
2528	–	// unspecified behavior
2529	–	Integer v;
2651		try {
2652	<	assertNull(h.join());
2653	<	assertEquals(1, r.invocationCount);
2533	<	assertEquals(inc(v1), r.value);
2652	>	assertNull(h5.join());
2653	>	rs[5].assertValue(v1);
2654		} catch (CompletionException ok) {
2655	<	checkCompletedWithWrappedCancellationException(h);
2656	<	assertEquals(0, r.invocationCount);
2655	>	checkCompletedWithWrappedCancellationException(h5);
2656	>	rs[5].assertNotInvoked();
2657		}
2658
2659		checkCancelled(f);
2660		checkCompletedNormally(g, v1);
2661	+	checkCompletedWithWrappedCancellationException(h0);
2662	+	checkCompletedWithWrappedCancellationException(h1);
2663	+	checkCompletedWithWrappedCancellationException(h2);
2664	+	checkCompletedWithWrappedCancellationException(h3);
2665	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2666		}}
2667
2668		/**
2669	<	* runAfterEither result completes normally after normal completion
2545	<	* of either source
2669	>	* acceptEither result completes exceptionally if action does
2670		*/
2671	<	public void testRunAfterEither_normalCompletion1() {
2671	>	public void testAcceptEither_actionFailed() {
2672		for (ExecutionMode m : ExecutionMode.values())
2673		for (Integer v1 : new Integer[] { 1, null })
2674		for (Integer v2 : new Integer[] { 2, null })
2675		{
2676		final CompletableFuture<Integer> f = new CompletableFuture<>();
2677		final CompletableFuture<Integer> g = new CompletableFuture<>();
2678	<	final Noop r = new Noop();
2679	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2678	>	final FailingConsumer[] rs = new FailingConsumer[6];
2679	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2680
2681	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2682	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2683		f.complete(v1);
2684	<	checkCompletedNormally(h, null);
2685	<	assertEquals(1, r.invocationCount);
2684	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2685	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2686	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2687	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2688	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2689	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2690	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2691	>
2692		g.complete(v2);
2693
2694	+	// unspecified behavior - both source completions available
2695	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2696	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2697	+
2698	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2699	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2700	+	Objects.equals(v2, rs[4].value));
2701	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2702	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2703	+	Objects.equals(v2, rs[5].value));
2704	+
2705		checkCompletedNormally(f, v1);
2706		checkCompletedNormally(g, v2);
2564	–	checkCompletedNormally(h, null);
2565	–	assertEquals(1, r.invocationCount);
2707		}}
2708
2709	<	public void testRunAfterEither_normalCompletion2() {
2709	>	/**
2710	>	* runAfterEither result completes normally after normal completion
2711	>	* of either source
2712	>	*/
2713	>	public void testRunAfterEither_normalCompletion() {
2714		for (ExecutionMode m : ExecutionMode.values())
2715		for (Integer v1 : new Integer[] { 1, null })
2716		for (Integer v2 : new Integer[] { 2, null })
2717	+	for (boolean pushNop : new boolean[] { true, false })
2718		{
2719		final CompletableFuture<Integer> f = new CompletableFuture<>();
2720		final CompletableFuture<Integer> g = new CompletableFuture<>();
2721	<	final Noop r = new Noop();
2722	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2721	>	final Noop[] rs = new Noop[6];
2722	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2723
2724	<	g.complete(v2);
2725	<	checkCompletedNormally(h, null);
2726	<	assertEquals(1, r.invocationCount);
2724	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2725	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2726	>	checkIncomplete(h0);
2727	>	checkIncomplete(h1);
2728	>	rs[0].assertNotInvoked();
2729	>	rs[1].assertNotInvoked();
2730	>	if (pushNop) {          // ad hoc test of intra-completion interference
2731	>	m.thenRun(f, () -> {});
2732	>	m.thenRun(g, () -> {});
2733	>	}
2734		f.complete(v1);
2735	+	checkCompletedNormally(h0, null);
2736	+	checkCompletedNormally(h1, null);
2737	+	rs[0].assertInvoked();
2738	+	rs[1].assertInvoked();
2739	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2740	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2741	+	checkCompletedNormally(h2, null);
2742	+	checkCompletedNormally(h3, null);
2743	+	rs[2].assertInvoked();
2744	+	rs[3].assertInvoked();
2745
2583	–	checkCompletedNormally(f, v1);
2584	–	checkCompletedNormally(g, v2);
2585	–	checkCompletedNormally(h, null);
2586	–	assertEquals(1, r.invocationCount);
2587	–	}}
2588	–
2589	–	public void testRunAfterEither_normalCompletion3() {
2590	–	for (ExecutionMode m : ExecutionMode.values())
2591	–	for (Integer v1 : new Integer[] { 1, null })
2592	–	for (Integer v2 : new Integer[] { 2, null })
2593	–	{
2594	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2595	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2596	–	final Noop r = new Noop();
2597	–
2598	–	f.complete(v1);
2746		g.complete(v2);
2600	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2747
2748	<	checkCompletedNormally(h, null);
2748	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2749	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2750	>
2751		checkCompletedNormally(f, v1);
2752		checkCompletedNormally(g, v2);
2753	<	assertEquals(1, r.invocationCount);
2753	>	checkCompletedNormally(h0, null);
2754	>	checkCompletedNormally(h1, null);
2755	>	checkCompletedNormally(h2, null);
2756	>	checkCompletedNormally(h3, null);
2757	>	checkCompletedNormally(h4, null);
2758	>	checkCompletedNormally(h5, null);
2759	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2760		}}
2761
2762		/**
2763		* runAfterEither result completes exceptionally after exceptional
2764		* completion of either source
2765		*/
2766	<	public void testRunAfterEither_exceptionalCompletion1() {
2766	>	public void testRunAfterEither_exceptionalCompletion() {
2767		for (ExecutionMode m : ExecutionMode.values())
2768		for (Integer v1 : new Integer[] { 1, null })
2769		{
2770		final CompletableFuture<Integer> f = new CompletableFuture<>();
2771		final CompletableFuture<Integer> g = new CompletableFuture<>();
2618	–	final Noop r = new Noop();
2619	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2772		final CFException ex = new CFException();
2773	+	final Noop[] rs = new Noop[6];
2774	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2775
2776	<	f.completeExceptionally(ex);
2777	<	checkCompletedWithWrappedCFException(h, ex);
2778	<	g.complete(v1);
2776	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2777	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2778	>	checkIncomplete(h0);
2779	>	checkIncomplete(h1);
2780	>	rs[0].assertNotInvoked();
2781	>	rs[1].assertNotInvoked();
2782	>	assertTrue(f.completeExceptionally(ex));
2783	>	checkCompletedWithWrappedException(h0, ex);
2784	>	checkCompletedWithWrappedException(h1, ex);
2785	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2786	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2787	>	checkCompletedWithWrappedException(h2, ex);
2788	>	checkCompletedWithWrappedException(h3, ex);
2789	>
2790	>	assertTrue(g.complete(v1));
2791	>
2792	>	// unspecified behavior - both source completions available
2793	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2794	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2795	>	try {
2796	>	assertNull(h4.join());
2797	>	rs[4].assertInvoked();
2798	>	} catch (CompletionException ok) {
2799	>	checkCompletedWithWrappedException(h4, ex);
2800	>	rs[4].assertNotInvoked();
2801	>	}
2802	>	try {
2803	>	assertNull(h5.join());
2804	>	rs[5].assertInvoked();
2805	>	} catch (CompletionException ok) {
2806	>	checkCompletedWithWrappedException(h5, ex);
2807	>	rs[5].assertNotInvoked();
2808	>	}
2809
2810	<	assertEquals(0, r.invocationCount);
2810	>	checkCompletedExceptionally(f, ex);
2811		checkCompletedNormally(g, v1);
2812	<	checkCompletedWithWrappedCFException(f, ex);
2813	<	checkCompletedWithWrappedCFException(h, ex);
2812	>	checkCompletedWithWrappedException(h0, ex);
2813	>	checkCompletedWithWrappedException(h1, ex);
2814	>	checkCompletedWithWrappedException(h2, ex);
2815	>	checkCompletedWithWrappedException(h3, ex);
2816	>	checkCompletedWithWrappedException(h4, ex);
2817	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2818		}}
2819
2820		public void testRunAfterEither_exceptionalCompletion2() {
2821		for (ExecutionMode m : ExecutionMode.values())
2822	+	for (boolean fFirst : new boolean[] { true, false })
2823		for (Integer v1 : new Integer[] { 1, null })
2824		{
2825		final CompletableFuture<Integer> f = new CompletableFuture<>();
2826		final CompletableFuture<Integer> g = new CompletableFuture<>();
2638	–	final Noop r = new Noop();
2639	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2640	–	final CFException ex = new CFException();
2641	–
2642	–	g.completeExceptionally(ex);
2643	–	checkCompletedWithWrappedCFException(h, ex);
2644	–	f.complete(v1);
2645	–
2646	–	assertEquals(0, r.invocationCount);
2647	–	checkCompletedNormally(f, v1);
2648	–	checkCompletedWithWrappedCFException(g, ex);
2649	–	checkCompletedWithWrappedCFException(h, ex);
2650	–	}}
2651	–
2652	–	public void testRunAfterEither_exceptionalCompletion3() {
2653	–	for (ExecutionMode m : ExecutionMode.values())
2654	–	for (Integer v1 : new Integer[] { 1, null })
2655	–	{
2656	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2657	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2658	–	final Noop r = new Noop();
2827		final CFException ex = new CFException();
2828	+	final Noop[] rs = new Noop[6];
2829	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2830
2831	<	g.completeExceptionally(ex);
2832	<	f.complete(v1);
2833	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2831	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2832	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2833	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2834	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2835	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2836	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2837
2838	<	// unspecified behavior
2666	<	Integer v;
2838	>	// unspecified behavior - both source completions available
2839		try {
2840	<	assertNull(h.join());
2841	<	assertEquals(1, r.invocationCount);
2840	>	assertNull(h0.join());
2841	>	rs[0].assertInvoked();
2842		} catch (CompletionException ok) {
2843	<	checkCompletedWithWrappedCFException(h, ex);
2844	<	assertEquals(0, r.invocationCount);
2843	>	checkCompletedWithWrappedException(h0, ex);
2844	>	rs[0].assertNotInvoked();
2845		}
2674	–
2675	–	checkCompletedWithWrappedCFException(g, ex);
2676	–	checkCompletedNormally(f, v1);
2677	–	}}
2678	–
2679	–	public void testRunAfterEither_exceptionalCompletion4() {
2680	–	for (ExecutionMode m : ExecutionMode.values())
2681	–	for (Integer v1 : new Integer[] { 1, null })
2682	–	{
2683	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2684	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2685	–	final Noop r = new Noop();
2686	–	final CFException ex = new CFException();
2687	–
2688	–	f.completeExceptionally(ex);
2689	–	g.complete(v1);
2690	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2691	–
2692	–	// unspecified behavior
2693	–	Integer v;
2846		try {
2847	<	assertNull(h.join());
2848	<	assertEquals(1, r.invocationCount);
2847	>	assertNull(h1.join());
2848	>	rs[1].assertInvoked();
2849		} catch (CompletionException ok) {
2850	<	checkCompletedWithWrappedCFException(h, ex);
2851	<	assertEquals(0, r.invocationCount);
2850	>	checkCompletedWithWrappedException(h1, ex);
2851	>	rs[1].assertNotInvoked();
2852	>	}
2853	>	try {
2854	>	assertNull(h2.join());
2855	>	rs[2].assertInvoked();
2856	>	} catch (CompletionException ok) {
2857	>	checkCompletedWithWrappedException(h2, ex);
2858	>	rs[2].assertNotInvoked();
2859	>	}
2860	>	try {
2861	>	assertNull(h3.join());
2862	>	rs[3].assertInvoked();
2863	>	} catch (CompletionException ok) {
2864	>	checkCompletedWithWrappedException(h3, ex);
2865	>	rs[3].assertNotInvoked();
2866		}
2867
2702	–	checkCompletedWithWrappedCFException(f, ex);
2703	–	checkCompletedNormally(g, v1);
2704	–	}}
2705	–
2706	–	/**
2707	–	* runAfterEither result completes exceptionally if action does
2708	–	*/
2709	–	public void testRunAfterEither_actionFailed1() {
2710	–	for (ExecutionMode m : ExecutionMode.values())
2711	–	for (Integer v1 : new Integer[] { 1, null })
2712	–	for (Integer v2 : new Integer[] { 2, null })
2713	–	{
2714	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2715	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2716	–	final FailingNoop r = new FailingNoop();
2717	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2718	–
2719	–	f.complete(v1);
2720	–	checkCompletedWithWrappedCFException(h);
2721	–	g.complete(v2);
2722	–	checkCompletedNormally(f, v1);
2723	–	checkCompletedNormally(g, v2);
2724	–	}}
2725	–
2726	–	public void testRunAfterEither_actionFailed2() {
2727	–	for (ExecutionMode m : ExecutionMode.values())
2728	–	for (Integer v1 : new Integer[] { 1, null })
2729	–	for (Integer v2 : new Integer[] { 2, null })
2730	–	{
2731	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2732	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2733	–	final FailingNoop r = new FailingNoop();
2734	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2735	–
2736	–	g.complete(v2);
2737	–	checkCompletedWithWrappedCFException(h);
2738	–	f.complete(v1);
2868		checkCompletedNormally(f, v1);
2869	<	checkCompletedNormally(g, v2);
2869	>	checkCompletedExceptionally(g, ex);
2870		}}
2871
2872		/**
2873		* runAfterEither result completes exceptionally if either source cancelled
2874		*/
2875	<	public void testRunAfterEither_sourceCancelled1() {
2747	<	for (ExecutionMode m : ExecutionMode.values())
2748	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2749	<	for (Integer v1 : new Integer[] { 1, null })
2750	<	{
2751	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2752	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2753	<	final Noop r = new Noop();
2754	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2755	<
2756	<	assertTrue(f.cancel(mayInterruptIfRunning));
2757	<	checkCompletedWithWrappedCancellationException(h);
2758	<	g.complete(v1);
2759	<
2760	<	checkCancelled(f);
2761	<	assertEquals(0, r.invocationCount);
2762	<	checkCompletedNormally(g, v1);
2763	<	checkCompletedWithWrappedCancellationException(h);
2764	<	}}
2765	<
2766	<	public void testRunAfterEither_sourceCancelled2() {
2875	>	public void testRunAfterEither_sourceCancelled() {
2876		for (ExecutionMode m : ExecutionMode.values())
2877		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2878		for (Integer v1 : new Integer[] { 1, null })
2879		{
2880		final CompletableFuture<Integer> f = new CompletableFuture<>();
2881		final CompletableFuture<Integer> g = new CompletableFuture<>();
2882	<	final Noop r = new Noop();
2883	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2882	>	final Noop[] rs = new Noop[6];
2883	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2884
2885	<	assertTrue(g.cancel(mayInterruptIfRunning));
2886	<	checkCompletedWithWrappedCancellationException(h);
2887	<	f.complete(v1);
2888	<
2889	<	checkCancelled(g);
2890	<	assertEquals(0, r.invocationCount);
2891	<	checkCompletedNormally(f, v1);
2892	<	checkCompletedWithWrappedCancellationException(h);
2893	<	}}
2894	<
2895	<	public void testRunAfterEither_sourceCancelled3() {
2896	<	for (ExecutionMode m : ExecutionMode.values())
2897	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2898	<	for (Integer v1 : new Integer[] { 1, null })
2899	<	{
2900	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2901	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2902	<	final Noop r = new Noop();
2903	<
2795	<	assertTrue(g.cancel(mayInterruptIfRunning));
2796	<	f.complete(v1);
2797	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2798	<
2799	<	// unspecified behavior
2800	<	Integer v;
2885	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2886	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2887	>	checkIncomplete(h0);
2888	>	checkIncomplete(h1);
2889	>	rs[0].assertNotInvoked();
2890	>	rs[1].assertNotInvoked();
2891	>	f.cancel(mayInterruptIfRunning);
2892	>	checkCompletedWithWrappedCancellationException(h0);
2893	>	checkCompletedWithWrappedCancellationException(h1);
2894	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2895	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2896	>	checkCompletedWithWrappedCancellationException(h2);
2897	>	checkCompletedWithWrappedCancellationException(h3);
2898	>
2899	>	assertTrue(g.complete(v1));
2900	>
2901	>	// unspecified behavior - both source completions available
2902	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2903	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2904		try {
2905	<	assertNull(h.join());
2906	<	assertEquals(1, r.invocationCount);
2905	>	assertNull(h4.join());
2906	>	rs[4].assertInvoked();
2907		} catch (CompletionException ok) {
2908	<	checkCompletedWithWrappedCancellationException(h);
2909	<	assertEquals(0, r.invocationCount);
2908	>	checkCompletedWithWrappedCancellationException(h4);
2909	>	rs[4].assertNotInvoked();
2910		}
2808	–
2809	–	checkCancelled(g);
2810	–	checkCompletedNormally(f, v1);
2811	–	}}
2812	–
2813	–	public void testRunAfterEither_sourceCancelled4() {
2814	–	for (ExecutionMode m : ExecutionMode.values())
2815	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2816	–	for (Integer v1 : new Integer[] { 1, null })
2817	–	{
2818	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2819	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2820	–	final Noop r = new Noop();
2821	–
2822	–	assertTrue(f.cancel(mayInterruptIfRunning));
2823	–	g.complete(v1);
2824	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2825	–
2826	–	// unspecified behavior
2827	–	Integer v;
2911		try {
2912	<	assertNull(h.join());
2913	<	assertEquals(1, r.invocationCount);
2912	>	assertNull(h5.join());
2913	>	rs[5].assertInvoked();
2914		} catch (CompletionException ok) {
2915	<	checkCompletedWithWrappedCancellationException(h);
2916	<	assertEquals(0, r.invocationCount);
2915	>	checkCompletedWithWrappedCancellationException(h5);
2916	>	rs[5].assertNotInvoked();
2917		}
2918
2919		checkCancelled(f);
2920		checkCompletedNormally(g, v1);
2921	+	checkCompletedWithWrappedCancellationException(h0);
2922	+	checkCompletedWithWrappedCancellationException(h1);
2923	+	checkCompletedWithWrappedCancellationException(h2);
2924	+	checkCompletedWithWrappedCancellationException(h3);
2925	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2926		}}
2927
2928		/**
2929	<	* thenCompose result completes normally after normal completion of source
2929	>	* runAfterEither result completes exceptionally if action does
2930		*/
2931	<	public void testThenCompose_normalCompletion1() {
2931	>	public void testRunAfterEither_actionFailed() {
2932		for (ExecutionMode m : ExecutionMode.values())
2933		for (Integer v1 : new Integer[] { 1, null })
2934	+	for (Integer v2 : new Integer[] { 2, null })
2935		{
2936		final CompletableFuture<Integer> f = new CompletableFuture<>();
2937	<	final CompletableFutureInc r = new CompletableFutureInc();
2938	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2939	<	f.complete(v1);
2940	<	checkCompletedNormally(g, inc(v1));
2937	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2938	>	final FailingRunnable[] rs = new FailingRunnable[6];
2939	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2940	>
2941	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2942	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2943	>	assertTrue(f.complete(v1));
2944	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2945	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2946	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2947	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2948	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2949	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2950	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2951	>	assertTrue(g.complete(v2));
2952	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2953	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2954	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2955	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2956	>
2957		checkCompletedNormally(f, v1);
2958	<	assertEquals(1, r.invocationCount);
2958	>	checkCompletedNormally(g, v2);
2959	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2960		}}
2961
2962	<	public void testThenCompose_normalCompletion2() {
2962	>	/**
2963	>	* thenCompose result completes normally after normal completion of source
2964	>	*/
2965	>	public void testThenCompose_normalCompletion() {
2966		for (ExecutionMode m : ExecutionMode.values())
2967	+	for (boolean createIncomplete : new boolean[] { true, false })
2968		for (Integer v1 : new Integer[] { 1, null })
2969		{
2970		final CompletableFuture<Integer> f = new CompletableFuture<>();
2971	<	final CompletableFutureInc r = new CompletableFutureInc();
2972	<	f.complete(v1);
2973	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2971	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2972	>	if (!createIncomplete) assertTrue(f.complete(v1));
2973	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2974	>	if (createIncomplete) assertTrue(f.complete(v1));
2975	>
2976		checkCompletedNormally(g, inc(v1));
2977		checkCompletedNormally(f, v1);
2978	<	assertEquals(1, r.invocationCount);
2978	>	r.assertValue(v1);
2979		}}
2980
2981		/**
2982		* thenCompose result completes exceptionally after exceptional
2983		* completion of source
2984		*/
2985	<	public void testThenCompose_exceptionalCompletion1() {
2985	>	public void testThenCompose_exceptionalCompletion() {
2986		for (ExecutionMode m : ExecutionMode.values())
2987	+	for (boolean createIncomplete : new boolean[] { true, false })
2988		{
2989		final CFException ex = new CFException();
2990	<	final CompletableFutureInc r = new CompletableFutureInc();
2990	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2991		final CompletableFuture<Integer> f = new CompletableFuture<>();
2992	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2993	<	f.completeExceptionally(ex);
2994	<	checkCompletedWithWrappedCFException(g, ex);
2882	<	checkCompletedWithWrappedCFException(f, ex);
2883	<	}}
2992	>	if (!createIncomplete) f.completeExceptionally(ex);
2993	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2994	>	if (createIncomplete) f.completeExceptionally(ex);
2995
2996	<	public void testThenCompose_exceptionalCompletion2() {
2997	<	for (ExecutionMode m : ExecutionMode.values())
2998	<	{
2888	<	final CFException ex = new CFException();
2889	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2890	<	f.completeExceptionally(ex);
2891	<	final CompletableFutureInc r = new CompletableFutureInc();
2892	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2893	<	checkCompletedWithWrappedCFException(g, ex);
2894	<	checkCompletedWithWrappedCFException(f, ex);
2996	>	checkCompletedWithWrappedException(g, ex);
2997	>	checkCompletedExceptionally(f, ex);
2998	>	r.assertNotInvoked();
2999		}}
3000
3001		/**
3002		* thenCompose result completes exceptionally if action does
3003		*/
3004	<	public void testThenCompose_actionFailed1() {
3004	>	public void testThenCompose_actionFailed() {
3005		for (ExecutionMode m : ExecutionMode.values())
3006	+	for (boolean createIncomplete : new boolean[] { true, false })
3007		for (Integer v1 : new Integer[] { 1, null })
3008		{
3009		final CompletableFuture<Integer> f = new CompletableFuture<>();
3010		final FailingCompletableFutureFunction r
3011	<	= new FailingCompletableFutureFunction();
3012	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3013	<	f.complete(v1);
3014	<	checkCompletedWithWrappedCFException(g);
2910	<	checkCompletedNormally(f, v1);
2911	<	}}
3011	>	= new FailingCompletableFutureFunction(m);
3012	>	if (!createIncomplete) assertTrue(f.complete(v1));
3013	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3014	>	if (createIncomplete) assertTrue(f.complete(v1));
3015
3016	<	public void testThenCompose_actionFailed2() {
2914	<	for (ExecutionMode m : ExecutionMode.values())
2915	<	for (Integer v1 : new Integer[] { 1, null })
2916	<	{
2917	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2918	<	f.complete(v1);
2919	<	final FailingCompletableFutureFunction r
2920	<	= new FailingCompletableFutureFunction();
2921	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2922	<	checkCompletedWithWrappedCFException(g);
3016	>	checkCompletedWithWrappedException(g, r.ex);
3017		checkCompletedNormally(f, v1);
3018		}}
3019
3020		/**
3021		* thenCompose result completes exceptionally if source cancelled
3022		*/
3023	<	public void testThenCompose_sourceCancelled1() {
3023	>	public void testThenCompose_sourceCancelled() {
3024		for (ExecutionMode m : ExecutionMode.values())
3025	+	for (boolean createIncomplete : new boolean[] { true, false })
3026		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3027		{
3028		final CompletableFuture<Integer> f = new CompletableFuture<>();
3029	<	final CompletableFutureInc r = new CompletableFutureInc();
3030	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3031	<	assertTrue(f.cancel(mayInterruptIfRunning));
3032	<	checkCompletedWithWrappedCancellationException(g);
3033	<	checkCancelled(f);
3034	<	}}
3029	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3030	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3031	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3032	>	if (createIncomplete) {
3033	>	checkIncomplete(g);
3034	>	assertTrue(f.cancel(mayInterruptIfRunning));
3035	>	}
3036
2941	–	public void testThenCompose_sourceCancelled2() {
2942	–	for (ExecutionMode m : ExecutionMode.values())
2943	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2944	–	{
2945	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2946	–	assertTrue(f.cancel(mayInterruptIfRunning));
2947	–	final CompletableFutureInc r = new CompletableFutureInc();
2948	–	final CompletableFuture<Integer> g = f.thenCompose(r);
3037		checkCompletedWithWrappedCancellationException(g);
3038		checkCancelled(f);
3039		}}
3040
2953	–	// asyncs
2954	–
2955	–	/**
2956	–	* thenRunAsync result completes normally after normal completion of source
2957	–	*/
2958	–	public void testThenRunAsync() {
2959	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2960	–	Noop r = new Noop();
2961	–	CompletableFuture<Void> g = f.thenRunAsync(r);
2962	–	f.complete(null);
2963	–	checkCompletedNormally(g, null);
2964	–
2965	–	// reordered version
2966	–	f = new CompletableFuture<>();
2967	–	f.complete(null);
2968	–	r = new Noop();
2969	–	g = f.thenRunAsync(r);
2970	–	checkCompletedNormally(g, null);
2971	–	}
2972	–
2973	–	/**
2974	–	* thenRunAsync result completes exceptionally after exceptional
2975	–	* completion of source
2976	–	*/
2977	–	public void testThenRunAsync2() {
2978	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2979	–	Noop r = new Noop();
2980	–	CompletableFuture<Void> g = f.thenRunAsync(r);
2981	–	f.completeExceptionally(new CFException());
2982	–	try {
2983	–	g.join();
2984	–	shouldThrow();
2985	–	} catch (CompletionException success) {}
2986	–	checkCompletedWithWrappedCFException(g);
2987	–	}
2988	–
2989	–	/**
2990	–	* thenRunAsync result completes exceptionally if action does
2991	–	*/
2992	–	public void testThenRunAsync3() {
2993	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2994	–	FailingNoop r = new FailingNoop();
2995	–	CompletableFuture<Void> g = f.thenRunAsync(r);
2996	–	f.complete(null);
2997	–	checkCompletedWithWrappedCFException(g);
2998	–	}
2999	–
3000	–	/**
3001	–	* thenRunAsync result completes exceptionally if source cancelled
3002	–	*/
3003	–	public void testThenRunAsync4() {
3004	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3005	–	Noop r = new Noop();
3006	–	CompletableFuture<Void> g = f.thenRunAsync(r);
3007	–	assertTrue(f.cancel(true));
3008	–	checkCompletedWithWrappedCancellationException(g);
3009	–	}
3010	–
3011	–	/**
3012	–	* thenApplyAsync result completes normally after normal completion of source
3013	–	*/
3014	–	public void testThenApplyAsync() {
3015	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3016	–	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3017	–	f.complete(one);
3018	–	checkCompletedNormally(g, two);
3019	–	}
3020	–
3021	–	/**
3022	–	* thenApplyAsync result completes exceptionally after exceptional
3023	–	* completion of source
3024	–	*/
3025	–	public void testThenApplyAsync2() {
3026	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3027	–	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3028	–	f.completeExceptionally(new CFException());
3029	–	checkCompletedWithWrappedCFException(g);
3030	–	}
3031	–
3032	–	/**
3033	–	* thenApplyAsync result completes exceptionally if action does
3034	–	*/
3035	–	public void testThenApplyAsync3() {
3036	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3037	–	FailingFunction r = new FailingFunction();
3038	–	CompletableFuture<Integer> g = f.thenApplyAsync(r);
3039	–	f.complete(null);
3040	–	checkCompletedWithWrappedCFException(g);
3041	–	}
3042	–
3043	–	/**
3044	–	* thenApplyAsync result completes exceptionally if source cancelled
3045	–	*/
3046	–	public void testThenApplyAsync4() {
3047	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3048	–	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3049	–	assertTrue(f.cancel(true));
3050	–	checkCompletedWithWrappedCancellationException(g);
3051	–	}
3052	–
3053	–	/**
3054	–	* thenAcceptAsync result completes normally after normal
3055	–	* completion of source
3056	–	*/
3057	–	public void testThenAcceptAsync() {
3058	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3059	–	IncAction r = new IncAction();
3060	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3061	–	f.complete(one);
3062	–	checkCompletedNormally(g, null);
3063	–	assertEquals(r.value, (Integer) 2);
3064	–	}
3065	–
3066	–	/**
3067	–	* thenAcceptAsync result completes exceptionally after exceptional
3068	–	* completion of source
3069	–	*/
3070	–	public void testThenAcceptAsync2() {
3071	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3072	–	IncAction r = new IncAction();
3073	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3074	–	f.completeExceptionally(new CFException());
3075	–	checkCompletedWithWrappedCFException(g);
3076	–	}
3077	–
3078	–	/**
3079	–	* thenAcceptAsync result completes exceptionally if action does
3080	–	*/
3081	–	public void testThenAcceptAsync3() {
3082	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3083	–	FailingConsumer r = new FailingConsumer();
3084	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3085	–	f.complete(null);
3086	–	checkCompletedWithWrappedCFException(g);
3087	–	}
3088	–
3089	–	/**
3090	–	* thenAcceptAsync result completes exceptionally if source cancelled
3091	–	*/
3092	–	public void testThenAcceptAsync4() {
3093	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3094	–	IncAction r = new IncAction();
3095	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3096	–	assertTrue(f.cancel(true));
3097	–	checkCompletedWithWrappedCancellationException(g);
3098	–	}
3099	–
3100	–	// async with explicit executors
3101	–
3102	–	/**
3103	–	* thenRunAsync result completes normally after normal completion of source
3104	–	*/
3105	–	public void testThenRunAsyncE() {
3106	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3107	–	Noop r = new Noop();
3108	–	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3109	–	f.complete(null);
3110	–	checkCompletedNormally(g, null);
3111	–
3112	–	// reordered version
3113	–	f = new CompletableFuture<>();
3114	–	f.complete(null);
3115	–	r = new Noop();
3116	–	g = f.thenRunAsync(r, new ThreadExecutor());
3117	–	checkCompletedNormally(g, null);
3118	–	}
3119	–
3120	–	/**
3121	–	* thenRunAsync result completes exceptionally after exceptional
3122	–	* completion of source
3123	–	*/
3124	–	public void testThenRunAsync2E() {
3125	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3126	–	Noop r = new Noop();
3127	–	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3128	–	f.completeExceptionally(new CFException());
3129	–	try {
3130	–	g.join();
3131	–	shouldThrow();
3132	–	} catch (CompletionException success) {}
3133	–	checkCompletedWithWrappedCFException(g);
3134	–	}
3135	–
3136	–	/**
3137	–	* thenRunAsync result completes exceptionally if action does
3138	–	*/
3139	–	public void testThenRunAsync3E() {
3140	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3141	–	FailingNoop r = new FailingNoop();
3142	–	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3143	–	f.complete(null);
3144	–	checkCompletedWithWrappedCFException(g);
3145	–	}
3146	–
3147	–	/**
3148	–	* thenRunAsync result completes exceptionally if source cancelled
3149	–	*/
3150	–	public void testThenRunAsync4E() {
3151	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3152	–	Noop r = new Noop();
3153	–	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3154	–	assertTrue(f.cancel(true));
3155	–	checkCompletedWithWrappedCancellationException(g);
3156	–	}
3157	–
3158	–	/**
3159	–	* thenApplyAsync result completes normally after normal completion of source
3160	–	*/
3161	–	public void testThenApplyAsyncE() {
3162	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3163	–	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3164	–	f.complete(one);
3165	–	checkCompletedNormally(g, two);
3166	–	}
3167	–
3168	–	/**
3169	–	* thenApplyAsync result completes exceptionally after exceptional
3170	–	* completion of source
3171	–	*/
3172	–	public void testThenApplyAsync2E() {
3173	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3174	–	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3175	–	f.completeExceptionally(new CFException());
3176	–	checkCompletedWithWrappedCFException(g);
3177	–	}
3178	–
3179	–	/**
3180	–	* thenApplyAsync result completes exceptionally if action does
3181	–	*/
3182	–	public void testThenApplyAsync3E() {
3183	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3184	–	FailingFunction r = new FailingFunction();
3185	–	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3186	–	f.complete(null);
3187	–	checkCompletedWithWrappedCFException(g);
3188	–	}
3189	–
3190	–	/**
3191	–	* thenApplyAsync result completes exceptionally if source cancelled
3192	–	*/
3193	–	public void testThenApplyAsync4E() {
3194	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3195	–	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3196	–	assertTrue(f.cancel(true));
3197	–	checkCompletedWithWrappedCancellationException(g);
3198	–	}
3199	–
3200	–	/**
3201	–	* thenAcceptAsync result completes normally after normal
3202	–	* completion of source
3203	–	*/
3204	–	public void testThenAcceptAsyncE() {
3205	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3206	–	IncAction r = new IncAction();
3207	–	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3208	–	f.complete(one);
3209	–	checkCompletedNormally(g, null);
3210	–	assertEquals(r.value, (Integer) 2);
3211	–	}
3212	–
3041		/**
3042	<	* thenAcceptAsync result completes exceptionally after exceptional
3215	<	* completion of source
3216	<	*/
3217	<	public void testThenAcceptAsync2E() {
3218	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3219	<	IncAction r = new IncAction();
3220	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3221	<	f.completeExceptionally(new CFException());
3222	<	checkCompletedWithWrappedCFException(g);
3223	<	}
3224	<
3225	<	/**
3226	<	* thenAcceptAsync result completes exceptionally if action does
3042	>	* thenCompose result completes exceptionally if the result of the action does
3043		*/
3044	<	public void testThenAcceptAsync3E() {
3045	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3046	<	FailingConsumer r = new FailingConsumer();
3047	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3048	<	f.complete(null);
3049	<	checkCompletedWithWrappedCFException(g);
3050	<	}
3044	>	public void testThenCompose_actionReturnsFailingFuture() {
3045	>	for (ExecutionMode m : ExecutionMode.values())
3046	>	for (int order = 0; order < 6; order++)
3047	>	for (Integer v1 : new Integer[] { 1, null })
3048	>	{
3049	>	final CFException ex = new CFException();
3050	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3051	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3052	>	final CompletableFuture<Integer> h;
3053	>	// Test all permutations of orders
3054	>	switch (order) {
3055	>	case 0:
3056	>	assertTrue(f.complete(v1));
3057	>	assertTrue(g.completeExceptionally(ex));
3058	>	h = m.thenCompose(f, (x -> g));
3059	>	break;
3060	>	case 1:
3061	>	assertTrue(f.complete(v1));
3062	>	h = m.thenCompose(f, (x -> g));
3063	>	assertTrue(g.completeExceptionally(ex));
3064	>	break;
3065	>	case 2:
3066	>	assertTrue(g.completeExceptionally(ex));
3067	>	assertTrue(f.complete(v1));
3068	>	h = m.thenCompose(f, (x -> g));
3069	>	break;
3070	>	case 3:
3071	>	assertTrue(g.completeExceptionally(ex));
3072	>	h = m.thenCompose(f, (x -> g));
3073	>	assertTrue(f.complete(v1));
3074	>	break;
3075	>	case 4:
3076	>	h = m.thenCompose(f, (x -> g));
3077	>	assertTrue(f.complete(v1));
3078	>	assertTrue(g.completeExceptionally(ex));
3079	>	break;
3080	>	case 5:
3081	>	h = m.thenCompose(f, (x -> g));
3082	>	assertTrue(f.complete(v1));
3083	>	assertTrue(g.completeExceptionally(ex));
3084	>	break;
3085	>	default: throw new AssertionError();
3086	>	}
3087
3088	<	/**
3089	<	* thenAcceptAsync result completes exceptionally if source cancelled
3090	<	*/
3091	<	public void testThenAcceptAsync4E() {
3240	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3241	<	IncAction r = new IncAction();
3242	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3243	<	assertTrue(f.cancel(true));
3244	<	checkCompletedWithWrappedCancellationException(g);
3245	<	}
3088	>	checkCompletedExceptionally(g, ex);
3089	>	checkCompletedWithWrappedException(h, ex);
3090	>	checkCompletedNormally(f, v1);
3091	>	}}
3092
3093		// other static methods
3094
#	Line 3260 | Line 3106 | public class CompletableFutureTest exten
3106		* when all components complete normally
3107		*/
3108		public void testAllOf_normal() throws Exception {
3109	<	for (int k = 1; k < 20; ++k) {
3110	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3111	<	for (int i = 0; i < k; ++i)
3109	>	for (int k = 1; k < 10; k++) {
3110	>	CompletableFuture<Integer>[] fs
3111	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3112	>	for (int i = 0; i < k; i++)
3113	>	fs[i] = new CompletableFuture<>();
3114	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3115	>	for (int i = 0; i < k; i++) {
3116	>	checkIncomplete(f);
3117	>	checkIncomplete(CompletableFuture.allOf(fs));
3118	>	fs[i].complete(one);
3119	>	}
3120	>	checkCompletedNormally(f, null);
3121	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3122	>	}
3123	>	}
3124	>
3125	>	public void testAllOf_normal_backwards() throws Exception {
3126	>	for (int k = 1; k < 10; k++) {
3127	>	CompletableFuture<Integer>[] fs
3128	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3129	>	for (int i = 0; i < k; i++)
3130		fs[i] = new CompletableFuture<>();
3131		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3132	<	for (int i = 0; i < k; ++i) {
3132	>	for (int i = k - 1; i >= 0; i--) {
3133		checkIncomplete(f);
3134		checkIncomplete(CompletableFuture.allOf(fs));
3135		fs[i].complete(one);
#	Line 3275 | Line 3139 | public class CompletableFutureTest exten
3139		}
3140		}
3141
3142	+	public void testAllOf_exceptional() throws Exception {
3143	+	for (int k = 1; k < 10; k++) {
3144	+	CompletableFuture<Integer>[] fs
3145	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3146	+	CFException ex = new CFException();
3147	+	for (int i = 0; i < k; i++)
3148	+	fs[i] = new CompletableFuture<>();
3149	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3150	+	for (int i = 0; i < k; i++) {
3151	+	checkIncomplete(f);
3152	+	checkIncomplete(CompletableFuture.allOf(fs));
3153	+	if (i != k / 2) {
3154	+	fs[i].complete(i);
3155	+	checkCompletedNormally(fs[i], i);
3156	+	} else {
3157	+	fs[i].completeExceptionally(ex);
3158	+	checkCompletedExceptionally(fs[i], ex);
3159	+	}
3160	+	}
3161	+	checkCompletedWithWrappedException(f, ex);
3162	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3163	+	}
3164	+	}
3165	+
3166		/**
3167		* anyOf(no component futures) returns an incomplete future
3168		*/
3169		public void testAnyOf_empty() throws Exception {
3170	+	for (Integer v1 : new Integer[] { 1, null })
3171	+	{
3172		CompletableFuture<Object> f = CompletableFuture.anyOf();
3173		checkIncomplete(f);
3174	<	}
3174	>
3175	>	f.complete(v1);
3176	>	checkCompletedNormally(f, v1);
3177	>	}}
3178
3179		/**
3180		* anyOf returns a future completed normally with a value when
3181		* a component future does
3182		*/
3183		public void testAnyOf_normal() throws Exception {
3184	<	for (int k = 0; k < 10; ++k) {
3184	>	for (int k = 0; k < 10; k++) {
3185		CompletableFuture[] fs = new CompletableFuture[k];
3186	<	for (int i = 0; i < k; ++i)
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 = 0; i < k; ++i) {
3191	<	fs[i].complete(one);
3192	<	checkCompletedNormally(f, one);
3193	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3190	>	for (int i = 0; i < k; i++) {
3191	>	fs[i].complete(i);
3192	>	checkCompletedNormally(f, 0);
3193	>	int x = (int) CompletableFuture.anyOf(fs).join();
3194	>	assertTrue(0 <= x && x <= i);
3195	>	}
3196	>	}
3197	>	}
3198	>	public void testAnyOf_normal_backwards() throws Exception {
3199	>	for (int k = 0; k < 10; k++) {
3200	>	CompletableFuture[] fs = new CompletableFuture[k];
3201	>	for (int i = 0; i < k; i++)
3202	>	fs[i] = new CompletableFuture<>();
3203	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3204	>	checkIncomplete(f);
3205	>	for (int i = k - 1; i >= 0; i--) {
3206	>	fs[i].complete(i);
3207	>	checkCompletedNormally(f, k - 1);
3208	>	int x = (int) CompletableFuture.anyOf(fs).join();
3209	>	assertTrue(i <= x && x <= k - 1);
3210		}
3211		}
3212		}
#	Line 3306 | Line 3215 | public class CompletableFutureTest exten
3215		* anyOf result completes exceptionally when any component does.
3216		*/
3217		public void testAnyOf_exceptional() throws Exception {
3218	<	for (int k = 0; k < 10; ++k) {
3218	>	for (int k = 0; k < 10; k++) {
3219	>	CompletableFuture[] fs = new CompletableFuture[k];
3220	>	CFException[] exs = new CFException[k];
3221	>	for (int i = 0; i < k; i++) {
3222	>	fs[i] = new CompletableFuture<>();
3223	>	exs[i] = new CFException();
3224	>	}
3225	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3226	>	checkIncomplete(f);
3227	>	for (int i = 0; i < k; i++) {
3228	>	fs[i].completeExceptionally(exs[i]);
3229	>	checkCompletedWithWrappedException(f, exs[0]);
3230	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3231	>	}
3232	>	}
3233	>	}
3234	>
3235	>	public void testAnyOf_exceptional_backwards() throws Exception {
3236	>	for (int k = 0; k < 10; k++) {
3237		CompletableFuture[] fs = new CompletableFuture[k];
3238	<	for (int i = 0; i < k; ++i)
3238	>	CFException[] exs = new CFException[k];
3239	>	for (int i = 0; i < k; i++) {
3240		fs[i] = new CompletableFuture<>();
3241	+	exs[i] = new CFException();
3242	+	}
3243		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3244		checkIncomplete(f);
3245	<	for (int i = 0; i < k; ++i) {
3246	<	fs[i].completeExceptionally(new CFException());
3247	<	checkCompletedWithWrappedCFException(f);
3245	>	for (int i = k - 1; i >= 0; i--) {
3246	>	fs[i].completeExceptionally(exs[i]);
3247	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3248		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3249		}
3250		}
#	Line 3323 | Line 3253 | public class CompletableFutureTest exten
3253		/**
3254		* Completion methods throw NullPointerException with null arguments
3255		*/
3256	+	@SuppressWarnings("FutureReturnValueIgnored")
3257		public void testNPE() {
3258		CompletableFuture<Integer> f = new CompletableFuture<>();
3259		CompletableFuture<Integer> g = new CompletableFuture<>();
3260		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3330	–	CompletableFuture<?> h;
3261		ThreadExecutor exec = new ThreadExecutor();
3262
3263		Runnable[] throwingActions = {
3264		() -> CompletableFuture.supplyAsync(null),
3265		() -> CompletableFuture.supplyAsync(null, exec),
3266	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3266	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3267
3268		() -> CompletableFuture.runAsync(null),
3269		() -> CompletableFuture.runAsync(null, exec),
#	Line 3343 | Line 3273 | public class CompletableFutureTest exten
3273
3274		() -> f.thenApply(null),
3275		() -> f.thenApplyAsync(null),
3276	<	() -> f.thenApplyAsync((x) -> x, null),
3276	>	() -> f.thenApplyAsync(x -> x, null),
3277		() -> f.thenApplyAsync(null, exec),
3278
3279		() -> f.thenAccept(null),
3280		() -> f.thenAcceptAsync(null),
3281	<	() -> f.thenAcceptAsync((x) -> {} , null),
3281	>	() -> f.thenAcceptAsync(x -> {} , null),
3282		() -> f.thenAcceptAsync(null, exec),
3283
3284		() -> f.thenRun(null),
#	Line 3383 | Line 3313 | public class CompletableFutureTest exten
3313		() -> f.applyToEither(g, null),
3314		() -> f.applyToEitherAsync(g, null),
3315		() -> f.applyToEitherAsync(g, null, exec),
3316	<	() -> f.applyToEither(nullFuture, (x) -> x),
3317	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3318	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3319	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3316	>	() -> f.applyToEither(nullFuture, x -> x),
3317	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3318	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3319	>	() -> f.applyToEitherAsync(g, x -> x, null),
3320
3321		() -> f.acceptEither(g, null),
3322		() -> f.acceptEitherAsync(g, null),
3323		() -> f.acceptEitherAsync(g, null, exec),
3324	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3325	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3326	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3327	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3324	>	() -> f.acceptEither(nullFuture, x -> {}),
3325	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3326	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3327	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3328
3329		() -> f.runAfterEither(g, null),
3330		() -> f.runAfterEitherAsync(g, null),
#	Line 3406 | Line 3336 | public class CompletableFutureTest exten
3336
3337		() -> f.thenCompose(null),
3338		() -> f.thenComposeAsync(null),
3339	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3339	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3340		() -> f.thenComposeAsync(null, exec),
3341
3342		() -> f.exceptionally(null),
#	Line 3424 | Line 3354 | public class CompletableFutureTest exten
3354		() -> CompletableFuture.anyOf(null, f),
3355
3356		() -> f.obtrudeException(null),
3357	+
3358	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3359	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3360	+	() -> CompletableFuture.delayedExecutor(1L, null),
3361	+
3362	+	() -> f.orTimeout(1L, null),
3363	+	() -> f.completeOnTimeout(42, 1L, null),
3364	+
3365	+	() -> CompletableFuture.failedFuture(null),
3366	+	() -> CompletableFuture.failedStage(null),
3367		};
3368
3369		assertThrows(NullPointerException.class, throwingActions);
#	Line 3431 | Line 3371 | public class CompletableFutureTest exten
3371		}
3372
3373		/**
3374	+	* Test submissions to an executor that rejects all tasks.
3375	+	*/
3376	+	public void testRejectingExecutor() {
3377	+	for (Integer v : new Integer[] { 1, null })
3378	+	{
3379	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3380	+
3381	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3382	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3383	+
3384	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3385	+
3386	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3387	+	srcs.add(complete);
3388	+	srcs.add(incomplete);
3389	+
3390	+	for (CompletableFuture<Integer> src : srcs) {
3391	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3392	+	fs.add(src.thenRunAsync(() -> {}, e));
3393	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3394	+	fs.add(src.thenApplyAsync(z -> z, e));
3395	+
3396	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3397	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3398	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3399	+
3400	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3401	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3402	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3403	+
3404	+	fs.add(src.thenComposeAsync(z -> null, e));
3405	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3406	+	fs.add(src.handleAsync((z, t) -> null, e));
3407	+
3408	+	for (CompletableFuture<?> future : fs) {
3409	+	if (src.isDone())
3410	+	checkCompletedWithWrappedException(future, e.ex);
3411	+	else
3412	+	checkIncomplete(future);
3413	+	}
3414	+	futures.addAll(fs);
3415	+	}
3416	+
3417	+	{
3418	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3419	+
3420	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3421	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3422	+
3423	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3424	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3425	+
3426	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3427	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3428	+
3429	+	for (CompletableFuture<?> future : fs)
3430	+	checkIncomplete(future);
3431	+	futures.addAll(fs);
3432	+	}
3433	+
3434	+	{
3435	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3436	+
3437	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3438	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3439	+
3440	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3441	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3442	+
3443	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3444	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3445	+
3446	+	for (CompletableFuture<?> future : fs)
3447	+	checkCompletedWithWrappedException(future, e.ex);
3448	+	futures.addAll(fs);
3449	+	}
3450	+
3451	+	incomplete.complete(v);
3452	+
3453	+	for (CompletableFuture<?> future : futures)
3454	+	checkCompletedWithWrappedException(future, e.ex);
3455	+
3456	+	assertEquals(futures.size(), e.count.get());
3457	+	}}
3458	+
3459	+	/**
3460	+	* Test submissions to an executor that rejects all tasks, but
3461	+	* should never be invoked because the dependent future is
3462	+	* explicitly completed.
3463	+	*/
3464	+	public void testRejectingExecutorNeverInvoked() {
3465	+	for (Integer v : new Integer[] { 1, null })
3466	+	{
3467	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3468	+
3469	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3470	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3471	+
3472	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3473	+
3474	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3475	+	srcs.add(complete);
3476	+	srcs.add(incomplete);
3477	+
3478	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3479	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3480	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3481	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3482	+
3483	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3484	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3485	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3486	+
3487	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3488	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3489	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3490	+
3491	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3492	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3493	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3494	+
3495	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3496	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3497	+
3498	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3499	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3500	+
3501	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3502	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3503	+
3504	+	for (CompletableFuture<?> future : fs)
3505	+	checkIncomplete(future);
3506	+
3507	+	for (CompletableFuture<?> future : fs)
3508	+	future.complete(null);
3509	+
3510	+	incomplete.complete(v);
3511	+
3512	+	for (CompletableFuture<?> future : fs)
3513	+	checkCompletedNormally(future, null);
3514	+
3515	+	assertEquals(0, e.count.get());
3516	+	}}
3517	+
3518	+	/**
3519		* toCompletableFuture returns this CompletableFuture.
3520		*/
3521		public void testToCompletableFuture() {
#	Line 3438 | Line 3523 | public class CompletableFutureTest exten
3523		assertSame(f, f.toCompletableFuture());
3524		}
3525
3526	+	// jdk9
3527	+
3528		/**
3529	<	* whenComplete action executes on normal completion, propagating
3443	<	* source result.
3529	>	* newIncompleteFuture returns an incomplete CompletableFuture
3530		*/
3531	<	public void testWhenComplete_normalCompletion1() {
3532	<	for (ExecutionMode m : ExecutionMode.values())
3531	>	public void testNewIncompleteFuture() {
3532	>	for (Integer v1 : new Integer[] { 1, null })
3533	>	{
3534	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3535	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3536	>	checkIncomplete(f);
3537	>	checkIncomplete(g);
3538	>	f.complete(v1);
3539	>	checkCompletedNormally(f, v1);
3540	>	checkIncomplete(g);
3541	>	g.complete(v1);
3542	>	checkCompletedNormally(g, v1);
3543	>	assertSame(g.getClass(), CompletableFuture.class);
3544	>	}}
3545	>
3546	>	/**
3547	>	* completedStage returns a completed CompletionStage
3548	>	*/
3549	>	public void testCompletedStage() {
3550	>	AtomicInteger x = new AtomicInteger(0);
3551	>	AtomicReference<Throwable> r = new AtomicReference<>();
3552	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3553	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3554	>	assertEquals(x.get(), 1);
3555	>	assertNull(r.get());
3556	>	}
3557	>
3558	>	/**
3559	>	* defaultExecutor by default returns the commonPool if
3560	>	* it supports more than one thread.
3561	>	*/
3562	>	public void testDefaultExecutor() {
3563	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3564	>	Executor e = f.defaultExecutor();
3565	>	Executor c = ForkJoinPool.commonPool();
3566	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3567	>	assertSame(e, c);
3568	>	else
3569	>	assertNotSame(e, c);
3570	>	}
3571	>
3572	>	/**
3573	>	* failedFuture returns a CompletableFuture completed
3574	>	* exceptionally with the given Exception
3575	>	*/
3576	>	public void testFailedFuture() {
3577	>	CFException ex = new CFException();
3578	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3579	>	checkCompletedExceptionally(f, ex);
3580	>	}
3581	>
3582	>	/**
3583	>	* failedFuture(null) throws NPE
3584	>	*/
3585	>	public void testFailedFuture_null() {
3586	>	try {
3587	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3588	>	shouldThrow();
3589	>	} catch (NullPointerException success) {}
3590	>	}
3591	>
3592	>	/**
3593	>	* copy returns a CompletableFuture that is completed normally,
3594	>	* with the same value, when source is.
3595	>	*/
3596	>	public void testCopy_normalCompletion() {
3597		for (boolean createIncomplete : new boolean[] { true, false })
3598		for (Integer v1 : new Integer[] { 1, null })
3599		{
3600	<	final AtomicInteger a = new AtomicInteger(0);
3601	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3602	<	if (!createIncomplete) f.complete(v1);
3603	<	final CompletableFuture<Integer> g = m.whenComplete
3604	<	(f,
3605	<	(Integer x, Throwable t) -> {
3606	<	threadAssertSame(x, v1);
3607	<	threadAssertNull(t);
3608	<	a.getAndIncrement();
3609	<	});
3610	<	if (createIncomplete) f.complete(v1);
3600	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3601	>	if (!createIncomplete) assertTrue(f.complete(v1));
3602	>	CompletableFuture<Integer> g = f.copy();
3603	>	if (createIncomplete) {
3604	>	checkIncomplete(f);
3605	>	checkIncomplete(g);
3606	>	assertTrue(f.complete(v1));
3607	>	}
3608	>	checkCompletedNormally(f, v1);
3609	>	checkCompletedNormally(g, v1);
3610	>	}}
3611	>
3612	>	/**
3613	>	* copy returns a CompletableFuture that is completed exceptionally
3614	>	* when source is.
3615	>	*/
3616	>	public void testCopy_exceptionalCompletion() {
3617	>	for (boolean createIncomplete : new boolean[] { true, false })
3618	>	{
3619	>	CFException ex = new CFException();
3620	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3621	>	if (!createIncomplete) f.completeExceptionally(ex);
3622	>	CompletableFuture<Integer> g = f.copy();
3623	>	if (createIncomplete) {
3624	>	checkIncomplete(f);
3625	>	checkIncomplete(g);
3626	>	f.completeExceptionally(ex);
3627	>	}
3628	>	checkCompletedExceptionally(f, ex);
3629	>	checkCompletedWithWrappedException(g, ex);
3630	>	}}
3631	>
3632	>	/**
3633	>	* Completion of a copy does not complete its source.
3634	>	*/
3635	>	public void testCopy_oneWayPropagation() {
3636	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3637	>	assertTrue(f.copy().complete(1));
3638	>	assertTrue(f.copy().complete(null));
3639	>	assertTrue(f.copy().cancel(true));
3640	>	assertTrue(f.copy().cancel(false));
3641	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3642	>	checkIncomplete(f);
3643	>	}
3644
3645	+	/**
3646	+	* minimalCompletionStage returns a CompletableFuture that is
3647	+	* completed normally, with the same value, when source is.
3648	+	*/
3649	+	public void testMinimalCompletionStage() {
3650	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3651	+	CompletionStage<Integer> g = f.minimalCompletionStage();
3652	+	AtomicInteger x = new AtomicInteger(0);
3653	+	AtomicReference<Throwable> r = new AtomicReference<>();
3654	+	checkIncomplete(f);
3655	+	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3656	+	f.complete(1);
3657	+	checkCompletedNormally(f, 1);
3658	+	assertEquals(x.get(), 1);
3659	+	assertNull(r.get());
3660	+	}
3661	+
3662	+	/**
3663	+	* minimalCompletionStage returns a CompletableFuture that is
3664	+	* completed exceptionally when source is.
3665	+	*/
3666	+	public void testMinimalCompletionStage2() {
3667	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3668	+	CompletionStage<Integer> g = f.minimalCompletionStage();
3669	+	AtomicInteger x = new AtomicInteger(0);
3670	+	AtomicReference<Throwable> r = new AtomicReference<>();
3671	+	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3672	+	checkIncomplete(f);
3673	+	CFException ex = new CFException();
3674	+	f.completeExceptionally(ex);
3675	+	checkCompletedExceptionally(f, ex);
3676	+	assertEquals(x.get(), 0);
3677	+	assertEquals(r.get().getCause(), ex);
3678	+	}
3679	+
3680	+	/**
3681	+	* failedStage returns a CompletionStage completed
3682	+	* exceptionally with the given Exception
3683	+	*/
3684	+	public void testFailedStage() {
3685	+	CFException ex = new CFException();
3686	+	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3687	+	AtomicInteger x = new AtomicInteger(0);
3688	+	AtomicReference<Throwable> r = new AtomicReference<>();
3689	+	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3690	+	assertEquals(x.get(), 0);
3691	+	assertEquals(r.get(), ex);
3692	+	}
3693	+
3694	+	/**
3695	+	* completeAsync completes with value of given supplier
3696	+	*/
3697	+	public void testCompleteAsync() {
3698	+	for (Integer v1 : new Integer[] { 1, null })
3699	+	{
3700	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3701	+	f.completeAsync(() -> v1);
3702	+	f.join();
3703	+	checkCompletedNormally(f, v1);
3704	+	}}
3705	+
3706	+	/**
3707	+	* completeAsync completes exceptionally if given supplier throws
3708	+	*/
3709	+	public void testCompleteAsync2() {
3710	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3711	+	CFException ex = new CFException();
3712	+	f.completeAsync(() -> { throw ex; });
3713	+	try {
3714	+	f.join();
3715	+	shouldThrow();
3716	+	} catch (CompletionException success) {}
3717	+	checkCompletedWithWrappedException(f, ex);
3718	+	}
3719	+
3720	+	/**
3721	+	* completeAsync with given executor completes with value of given supplier
3722	+	*/
3723	+	public void testCompleteAsync3() {
3724	+	for (Integer v1 : new Integer[] { 1, null })
3725	+	{
3726	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3727	+	ThreadExecutor executor = new ThreadExecutor();
3728	+	f.completeAsync(() -> v1, executor);
3729	+	assertSame(v1, f.join());
3730	+	checkCompletedNormally(f, v1);
3731	+	assertEquals(1, executor.count.get());
3732	+	}}
3733	+
3734	+	/**
3735	+	* completeAsync with given executor completes exceptionally if
3736	+	* given supplier throws
3737	+	*/
3738	+	public void testCompleteAsync4() {
3739	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3740	+	CFException ex = new CFException();
3741	+	ThreadExecutor executor = new ThreadExecutor();
3742	+	f.completeAsync(() -> { throw ex; }, executor);
3743	+	try {
3744	+	f.join();
3745	+	shouldThrow();
3746	+	} catch (CompletionException success) {}
3747	+	checkCompletedWithWrappedException(f, ex);
3748	+	assertEquals(1, executor.count.get());
3749	+	}
3750	+
3751	+	/**
3752	+	* orTimeout completes with TimeoutException if not complete
3753	+	*/
3754	+	public void testOrTimeout_timesOut() {
3755	+	long timeoutMillis = timeoutMillis();
3756	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3757	+	long startTime = System.nanoTime();
3758	+	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3759	+	checkCompletedWithTimeoutException(f);
3760	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3761	+	}
3762	+
3763	+	/**
3764	+	* orTimeout completes normally if completed before timeout
3765	+	*/
3766	+	public void testOrTimeout_completed() {
3767	+	for (Integer v1 : new Integer[] { 1, null })
3768	+	{
3769	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3770	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3771	+	long startTime = System.nanoTime();
3772	+	f.complete(v1);
3773	+	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3774	+	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3775	+	g.complete(v1);
3776	+	checkCompletedNormally(f, v1);
3777		checkCompletedNormally(g, v1);
3778	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3779	+	}}
3780	+
3781	+	/**
3782	+	* completeOnTimeout completes with given value if not complete
3783	+	*/
3784	+	public void testCompleteOnTimeout_timesOut() {
3785	+	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3786	+	() -> testCompleteOnTimeout_timesOut(null));
3787	+	}
3788	+
3789	+	/**
3790	+	* completeOnTimeout completes with given value if not complete
3791	+	*/
3792	+	public void testCompleteOnTimeout_timesOut(Integer v) {
3793	+	long timeoutMillis = timeoutMillis();
3794	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3795	+	long startTime = System.nanoTime();
3796	+	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3797	+	assertSame(v, f.join());
3798	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3799	+	f.complete(99);         // should have no effect
3800	+	checkCompletedNormally(f, v);
3801	+	}
3802	+
3803	+	/**
3804	+	* completeOnTimeout has no effect if completed within timeout
3805	+	*/
3806	+	public void testCompleteOnTimeout_completed() {
3807	+	for (Integer v1 : new Integer[] { 1, null })
3808	+	{
3809	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3810	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3811	+	long startTime = System.nanoTime();
3812	+	f.complete(v1);
3813	+	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3814	+	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3815	+	g.complete(v1);
3816		checkCompletedNormally(f, v1);
3817	<	assertEquals(1, a.get());
3817	>	checkCompletedNormally(g, v1);
3818	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3819		}}
3820
3821		/**
3822	<	* whenComplete action executes on exceptional completion, propagating
3469	<	* source result.
3822	>	* delayedExecutor returns an executor that delays submission
3823		*/
3824	<	public void testWhenComplete_exceptionalCompletion() {
3824	>	public void testDelayedExecutor() {
3825	>	testInParallel(() -> testDelayedExecutor(null, null),
3826	>	() -> testDelayedExecutor(null, 1),
3827	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3828	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3829	>	}
3830	>
3831	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3832	>	long timeoutMillis = timeoutMillis();
3833	>	// Use an "unreasonably long" long timeout to catch lingering threads
3834	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3835	>	final Executor delayer, longDelayer;
3836	>	if (executor == null) {
3837	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3838	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3839	>	} else {
3840	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3841	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3842	>	}
3843	>	long startTime = System.nanoTime();
3844	>	CompletableFuture<Integer> f =
3845	>	CompletableFuture.supplyAsync(() -> v, delayer);
3846	>	CompletableFuture<Integer> g =
3847	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3848	>
3849	>	assertNull(g.getNow(null));
3850	>
3851	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3852	>	long millisElapsed = millisElapsedSince(startTime);
3853	>	assertTrue(millisElapsed >= timeoutMillis);
3854	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3855	>
3856	>	checkCompletedNormally(f, v);
3857	>
3858	>	checkIncomplete(g);
3859	>	assertTrue(g.cancel(true));
3860	>	}
3861	>
3862	>	//--- tests of implementation details; not part of official tck ---
3863	>
3864	>	Object resultOf(CompletableFuture<?> f) {
3865	>	SecurityManager sm = System.getSecurityManager();
3866	>	if (sm != null) {
3867	>	try {
3868	>	System.setSecurityManager(null);
3869	>	} catch (SecurityException giveUp) {
3870	>	return "Reflection not available";
3871	>	}
3872	>	}
3873	>
3874	>	try {
3875	>	java.lang.reflect.Field resultField
3876	>	= CompletableFuture.class.getDeclaredField("result");
3877	>	resultField.setAccessible(true);
3878	>	return resultField.get(f);
3879	>	} catch (Throwable t) {
3880	>	throw new AssertionError(t);
3881	>	} finally {
3882	>	if (sm != null) System.setSecurityManager(sm);
3883	>	}
3884	>	}
3885	>
3886	>	public void testExceptionPropagationReusesResultObject() {
3887	>	if (!testImplementationDetails) return;
3888		for (ExecutionMode m : ExecutionMode.values())
3889	+	{
3890	+	final CFException ex = new CFException();
3891	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3892	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3893	+
3894	+	final Runnable noopRunnable = new Noop(m);
3895	+	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3896	+	final Function<Integer, Integer> incFunction = new IncFunction(m);
3897	+
3898	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3899	+	= new ArrayList<>();
3900	+
3901	+	funs.add(y -> m.thenRun(y, noopRunnable));
3902	+	funs.add(y -> m.thenAccept(y, noopConsumer));
3903	+	funs.add(y -> m.thenApply(y, incFunction));
3904	+
3905	+	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3906	+	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3907	+	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3908	+
3909	+	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3910	+	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3911	+	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3912	+	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3913	+	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3914	+	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3915	+
3916	+	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3917	+
3918	+	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3919	+
3920	+	funs.add(y -> CompletableFuture.allOf(y));
3921	+	funs.add(y -> CompletableFuture.allOf(y, v42));
3922	+	funs.add(y -> CompletableFuture.allOf(v42, y));
3923	+	funs.add(y -> CompletableFuture.anyOf(y));
3924	+	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3925	+	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3926	+
3927	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3928	+	fun : funs) {
3929	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3930	+	f.completeExceptionally(ex);
3931	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3932	+	checkCompletedWithWrappedException(src, ex);
3933	+	CompletableFuture<?> dep = fun.apply(src);
3934	+	checkCompletedWithWrappedException(dep, ex);
3935	+	assertSame(resultOf(src), resultOf(dep));
3936	+	}
3937	+
3938	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3939	+	fun : funs) {
3940	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3941	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3942	+	CompletableFuture<?> dep = fun.apply(src);
3943	+	f.completeExceptionally(ex);
3944	+	checkCompletedWithWrappedException(src, ex);
3945	+	checkCompletedWithWrappedException(dep, ex);
3946	+	assertSame(resultOf(src), resultOf(dep));
3947	+	}
3948	+
3949	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3950	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3951	+	fun : funs) {
3952	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3953	+	f.cancel(mayInterruptIfRunning);
3954	+	checkCancelled(f);
3955	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3956	+	checkCompletedWithWrappedCancellationException(src);
3957	+	CompletableFuture<?> dep = fun.apply(src);
3958	+	checkCompletedWithWrappedCancellationException(dep);
3959	+	assertSame(resultOf(src), resultOf(dep));
3960	+	}
3961	+
3962	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3963	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3964	+	fun : funs) {
3965	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3966	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3967	+	CompletableFuture<?> dep = fun.apply(src);
3968	+	f.cancel(mayInterruptIfRunning);
3969	+	checkCancelled(f);
3970	+	checkCompletedWithWrappedCancellationException(src);
3971	+	checkCompletedWithWrappedCancellationException(dep);
3972	+	assertSame(resultOf(src), resultOf(dep));
3973	+	}
3974	+	}}
3975	+
3976	+	/**
3977	+	* Minimal completion stages throw UOE for most non-CompletionStage methods
3978	+	*/
3979	+	public void testMinimalCompletionStage_minimality() {
3980	+	if (!testImplementationDetails) return;
3981	+	Function<Method, String> toSignature =
3982	+	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3983	+	Predicate<Method> isNotStatic =
3984	+	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3985	+	List<Method> minimalMethods =
3986	+	Stream.of(Object.class, CompletionStage.class)
3987	+	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3988	+	.filter(isNotStatic)
3989	+	.collect(Collectors.toList());
3990	+	// Methods from CompletableFuture permitted NOT to throw UOE
3991	+	String[] signatureWhitelist = {
3992	+	"newIncompleteFuture[]",
3993	+	"defaultExecutor[]",
3994	+	"minimalCompletionStage[]",
3995	+	"copy[]",
3996	+	};
3997	+	Set<String> permittedMethodSignatures =
3998	+	Stream.concat(minimalMethods.stream().map(toSignature),
3999	+	Stream.of(signatureWhitelist))
4000	+	.collect(Collectors.toSet());
4001	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4002	+	.filter(isNotStatic)
4003	+	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4004	+	.collect(Collectors.toList());
4005	+
4006	+	List<CompletionStage<Integer>> stages = new ArrayList<>();
4007	+	CompletionStage<Integer> min =
4008	+	new CompletableFuture<Integer>().minimalCompletionStage();
4009	+	stages.add(min);
4010	+	stages.add(min.thenApply(x -> x));
4011	+	stages.add(CompletableFuture.completedStage(1));
4012	+	stages.add(CompletableFuture.failedStage(new CFException()));
4013	+
4014	+	List<Method> bugs = new ArrayList<>();
4015	+	for (Method method : allMethods) {
4016	+	Class<?>[] parameterTypes = method.getParameterTypes();
4017	+	Object[] args = new Object[parameterTypes.length];
4018	+	// Manufacture boxed primitives for primitive params
4019	+	for (int i = 0; i < args.length; i++) {
4020	+	Class<?> type = parameterTypes[i];
4021	+	if (parameterTypes[i] == boolean.class)
4022	+	args[i] = false;
4023	+	else if (parameterTypes[i] == int.class)
4024	+	args[i] = 0;
4025	+	else if (parameterTypes[i] == long.class)
4026	+	args[i] = 0L;
4027	+	}
4028	+	for (CompletionStage<Integer> stage : stages) {
4029	+	try {
4030	+	method.invoke(stage, args);
4031	+	bugs.add(method);
4032	+	}
4033	+	catch (java.lang.reflect.InvocationTargetException expected) {
4034	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4035	+	bugs.add(method);
4036	+	// expected.getCause().printStackTrace();
4037	+	}
4038	+	}
4039	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4040	+	}
4041	+	}
4042	+	if (!bugs.isEmpty())
4043	+	throw new Error("Methods did not throw UOE: " + bugs);
4044	+	}
4045	+
4046	+	/**
4047	+	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4048	+	* is completed normally, with the same value, when source is.
4049	+	*/
4050	+	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4051		for (boolean createIncomplete : new boolean[] { true, false })
4052		for (Integer v1 : new Integer[] { 1, null })
4053		{
4054	<	final AtomicInteger a = new AtomicInteger(0);
4055	<	final CFException ex = new CFException();
4056	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4057	<	if (!createIncomplete) f.completeExceptionally(ex);
4058	<	final CompletableFuture<Integer> g = m.whenComplete
4059	<	(f,
4060	<	(Integer x, Throwable t) -> {
4061	<	threadAssertNull(x);
4062	<	threadAssertSame(t, ex);
4063	<	a.getAndIncrement();
4064	<	});
3487	<	if (createIncomplete) f.completeExceptionally(ex);
3488	<	checkCompletedWithWrappedCFException(f, ex);
3489	<	checkCompletedWithWrappedCFException(g, ex);
3490	<	assertEquals(1, a.get());
4054	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4055	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4056	>	if (!createIncomplete) assertTrue(f.complete(v1));
4057	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4058	>	if (createIncomplete) {
4059	>	checkIncomplete(f);
4060	>	checkIncomplete(g);
4061	>	assertTrue(f.complete(v1));
4062	>	}
4063	>	checkCompletedNormally(f, v1);
4064	>	checkCompletedNormally(g, v1);
4065		}}
4066
4067		/**
4068	<	* whenComplete action executes on cancelled source, propagating
4069	<	* CancellationException.
4068	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4069	>	* is completed exceptionally when source is.
4070		*/
4071	<	public void testWhenComplete_sourceCancelled() {
3498	<	for (ExecutionMode m : ExecutionMode.values())
3499	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4071	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4072		for (boolean createIncomplete : new boolean[] { true, false })
4073		{
4074	<	final AtomicInteger a = new AtomicInteger(0);
4075	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4076	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
4077	<	final CompletableFuture<Integer> g = m.whenComplete
4078	<	(f,
4079	<	(Integer x, Throwable t) -> {
4080	<	threadAssertNull(x);
4081	<	threadAssertTrue(t instanceof CancellationException);
4082	<	a.getAndIncrement();
4083	<	});
4084	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
4074	>	CFException ex = new CFException();
4075	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4076	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4077	>	if (!createIncomplete) f.completeExceptionally(ex);
4078	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4079	>	if (createIncomplete) {
4080	>	checkIncomplete(f);
4081	>	checkIncomplete(g);
4082	>	f.completeExceptionally(ex);
4083	>	}
4084	>	checkCompletedExceptionally(f, ex);
4085	>	checkCompletedWithWrappedException(g, ex);
4086	>	}}
4087
4088	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
4089	<	checkCompletedWithWrappedCancellationException(g);
4090	<	checkCancelled(f);
4091	<	assertEquals(1, a.get());
4088	>	/**
4089	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4090	>	*/
4091	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4092	>	for (Integer v1 : new Integer[] { 1, null })
4093	>	{
4094	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4095	>	CompletionStage minimal = f.minimalCompletionStage();
4096	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4097	>	assertTrue(g.complete(v1));
4098	>	checkCompletedNormally(g, v1);
4099	>	checkIncomplete(f);
4100	>	checkIncomplete(minimal.toCompletableFuture());
4101		}}
4102
4103		/**
4104	<	* If a whenComplete action throws an exception when triggered by
3522	<	* a normal completion, it completes exceptionally
4104	>	* minimalStage.toCompletableFuture().join() awaits completion
4105		*/
4106	<	public void testWhenComplete_actionFailed() {
4106	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4107		for (boolean createIncomplete : new boolean[] { true, false })
3526	–	for (ExecutionMode m : ExecutionMode.values())
4108		for (Integer v1 : new Integer[] { 1, null })
4109		{
4110	<	final AtomicInteger a = new AtomicInteger(0);
4111	<	final CFException ex = new CFException();
4112	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4113	<	if (!createIncomplete) f.complete(v1);
4114	<	final CompletableFuture<Integer> g = m.whenComplete
4115	<	(f,
4116	<	(Integer x, Throwable t) -> {
3536	<	threadAssertSame(x, v1);
3537	<	threadAssertNull(t);
3538	<	a.getAndIncrement();
3539	<	throw ex;
3540	<	});
3541	<	if (createIncomplete) f.complete(v1);
3542	<	checkCompletedNormally(f, v1);
3543	<	checkCompletedWithWrappedCFException(g, ex);
3544	<	assertEquals(1, a.get());
4110	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4111	>	if (!createIncomplete) assertTrue(f.complete(v1));
4112	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4113	>	if (createIncomplete) assertTrue(f.complete(v1));
4114	>	assertEquals(v1, minimal.toCompletableFuture().join());
4115	>	assertEquals(v1, minimal.toCompletableFuture().get());
4116	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4117		}}
4118
4119		/**
4120	<	* If a whenComplete action throws an exception when triggered by
4121	<	* a source completion that also throws an exception, the source
4122	<	* exception takes precedence.
4120	>	* Completion of a toCompletableFuture copy of a minimal stage
4121	>	* does not complete its source.
4122	>	*/
4123	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4124	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4125	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4126	>	assertTrue(g.toCompletableFuture().complete(1));
4127	>	assertTrue(g.toCompletableFuture().complete(null));
4128	>	assertTrue(g.toCompletableFuture().cancel(true));
4129	>	assertTrue(g.toCompletableFuture().cancel(false));
4130	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4131	>	checkIncomplete(g.toCompletableFuture());
4132	>	f.complete(1);
4133	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4134	>	}
4135	>
4136	>	/** Demo utility method for external reliable toCompletableFuture */
4137	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4138	>	CompletableFuture<T> f = new CompletableFuture<>();
4139	>	stage.handle((T t, Throwable ex) -> {
4140	>	if (ex != null) f.completeExceptionally(ex);
4141	>	else f.complete(t);
4142	>	return null;
4143	>	});
4144	>	return f;
4145	>	}
4146	>
4147	>	/** Demo utility method to join a CompletionStage */
4148	>	static <T> T join(CompletionStage<T> stage) {
4149	>	return toCompletableFuture(stage).join();
4150	>	}
4151	>
4152	>	/**
4153	>	* Joining a minimal stage "by hand" works
4154		*/
4155	<	public void testWhenComplete_actionFailedSourceFailed() {
4155	>	public void testMinimalCompletionStage_join_by_hand() {
4156		for (boolean createIncomplete : new boolean[] { true, false })
3554	–	for (ExecutionMode m : ExecutionMode.values())
4157		for (Integer v1 : new Integer[] { 1, null })
4158		{
4159	<	final AtomicInteger a = new AtomicInteger(0);
4160	<	final CFException ex1 = new CFException();
4161	<	final CFException ex2 = new CFException();
4162	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4159	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4160	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4161	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4162	>	if (!createIncomplete) assertTrue(f.complete(v1));
4163	>	minimal.thenAccept(x -> g.complete(x));
4164	>	if (createIncomplete) assertTrue(f.complete(v1));
4165	>	g.join();
4166	>	checkCompletedNormally(g, v1);
4167	>	checkCompletedNormally(f, v1);
4168	>	assertEquals(v1, join(minimal));
4169	>	}}
4170
4171	<	if (!createIncomplete) f.completeExceptionally(ex1);
4172	<	final CompletableFuture<Integer> g = m.whenComplete
4173	<	(f,
4174	<	(Integer x, Throwable t) -> {
4175	<	threadAssertSame(t, ex1);
4176	<	threadAssertNull(x);
4177	<	a.getAndIncrement();
4178	<	throw ex2;
4179	<	});
4180	<	if (createIncomplete) f.completeExceptionally(ex1);
4171	>	static class Monad {
4172	>	static class ZeroException extends RuntimeException {
4173	>	public ZeroException() { super("monadic zero"); }
4174	>	}
4175	>	// "return", "unit"
4176	>	static <T> CompletableFuture<T> unit(T value) {
4177	>	return completedFuture(value);
4178	>	}
4179	>	// monadic zero ?
4180	>	static <T> CompletableFuture<T> zero() {
4181	>	return failedFuture(new ZeroException());
4182	>	}
4183	>	// >=>
4184	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4185	>	(Function<T, CompletableFuture<U>> f,
4186	>	Function<U, CompletableFuture<V>> g) {
4187	>	return x -> f.apply(x).thenCompose(g);
4188	>	}
4189
4190	<	checkCompletedWithWrappedCFException(f, ex1);
4191	<	checkCompletedWithWrappedCFException(g, ex1);
4192	<	assertEquals(1, a.get());
4190	>	static void assertZero(CompletableFuture<?> f) {
4191	>	try {
4192	>	f.getNow(null);
4193	>	throw new AssertionFailedError("should throw");
4194	>	} catch (CompletionException success) {
4195	>	assertTrue(success.getCause() instanceof ZeroException);
4196	>	}
4197	>	}
4198	>
4199	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4200	>	CompletableFuture<T> g) {
4201	>	T fval = null, gval = null;
4202	>	Throwable fex = null, gex = null;
4203	>
4204	>	try { fval = f.get(); }
4205	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4206	>	catch (Throwable ex) { fex = ex; }
4207	>
4208	>	try { gval = g.get(); }
4209	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4210	>	catch (Throwable ex) { gex = ex; }
4211	>
4212	>	if (fex != null || gex != null)
4213	>	assertSame(fex.getClass(), gex.getClass());
4214	>	else
4215	>	assertEquals(fval, gval);
4216	>	}
4217	>
4218	>	static class PlusFuture<T> extends CompletableFuture<T> {
4219	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4220	>	}
4221	>
4222	>	/** Implements "monadic plus". */
4223	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4224	>	CompletableFuture<? extends T> g) {
4225	>	PlusFuture<T> plus = new PlusFuture<T>();
4226	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4227	>	try {
4228	>	if (ex == null) {
4229	>	if (plus.complete(result))
4230	>	if (plus.firstFailure.get() != null)
4231	>	plus.firstFailure.set(null);
4232	>	}
4233	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4234	>	if (plus.isDone())
4235	>	plus.firstFailure.set(null);
4236	>	}
4237	>	else {
4238	>	// first failure has precedence
4239	>	Throwable first = plus.firstFailure.getAndSet(null);
4240	>
4241	>	// may fail with "Self-suppression not permitted"
4242	>	try { first.addSuppressed(ex); }
4243	>	catch (Exception ignored) {}
4244	>
4245	>	plus.completeExceptionally(first);
4246	>	}
4247	>	} catch (Throwable unexpected) {
4248	>	plus.completeExceptionally(unexpected);
4249	>	}
4250	>	};
4251	>	f.whenComplete(action);
4252	>	g.whenComplete(action);
4253	>	return plus;
4254	>	}
4255	>	}
4256	>
4257	>	/**
4258	>	* CompletableFuture is an additive monad - sort of.
4259	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4260	>	*/
4261	>	public void testAdditiveMonad() throws Throwable {
4262	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4263	>	CompletableFuture<Long> zero = Monad.zero();
4264	>
4265	>	// Some mutually non-commutative functions
4266	>	Function<Long, CompletableFuture<Long>> triple
4267	>	= x -> Monad.unit(3 * x);
4268	>	Function<Long, CompletableFuture<Long>> inc
4269	>	= x -> Monad.unit(x + 1);
4270	>
4271	>	// unit is a right identity: m >>= unit === m
4272	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4273	>	inc.apply(5L));
4274	>	// unit is a left identity: (unit x) >>= f === f x
4275	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4276	>	inc.apply(5L));
4277	>
4278	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4279	>	Monad.assertFutureEquals(
4280	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4281	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4282	>
4283	>	// The case for CompletableFuture as an additive monad is weaker...
4284	>
4285	>	// zero is a monadic zero
4286	>	Monad.assertZero(zero);
4287	>
4288	>	// left zero: zero >>= f === zero
4289	>	Monad.assertZero(zero.thenCompose(inc));
4290	>	// right zero: f >>= (\x -> zero) === zero
4291	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4292	>
4293	>	// f plus zero === f
4294	>	Monad.assertFutureEquals(Monad.unit(5L),
4295	>	Monad.plus(Monad.unit(5L), zero));
4296	>	// zero plus f === f
4297	>	Monad.assertFutureEquals(Monad.unit(5L),
4298	>	Monad.plus(zero, Monad.unit(5L)));
4299	>	// zero plus zero === zero
4300	>	Monad.assertZero(Monad.plus(zero, zero));
4301	>	{
4302	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4303	>	Monad.unit(8L));
4304	>	// non-determinism
4305	>	assertTrue(f.get() == 5L || f.get() == 8L);
4306	>	}
4307	>
4308	>	CompletableFuture<Long> godot = new CompletableFuture<>();
4309	>	// f plus godot === f (doesn't wait for godot)
4310	>	Monad.assertFutureEquals(Monad.unit(5L),
4311	>	Monad.plus(Monad.unit(5L), godot));
4312	>	// godot plus f === f (doesn't wait for godot)
4313	>	Monad.assertFutureEquals(Monad.unit(5L),
4314	>	Monad.plus(godot, Monad.unit(5L)));
4315	>	}
4316	>
4317	>	/** Test long recursive chains of CompletableFutures with cascading completions */
4318	>	@SuppressWarnings("FutureReturnValueIgnored")
4319	>	public void testRecursiveChains() throws Throwable {
4320	>	for (ExecutionMode m : ExecutionMode.values())
4321	>	for (boolean addDeadEnds : new boolean[] { true, false })
4322	>	{
4323	>	final int val = 42;
4324	>	final int n = expensiveTests ? 1_000 : 2;
4325	>	CompletableFuture<Integer> head = new CompletableFuture<>();
4326	>	CompletableFuture<Integer> tail = head;
4327	>	for (int i = 0; i < n; i++) {
4328	>	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4329	>	tail = m.thenApply(tail, v -> v + 1);
4330	>	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4331	>	tail = m.applyToEither(tail, tail, v -> v + 1);
4332	>	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4333	>	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4334	>	}
4335	>	head.complete(val);
4336	>	assertEquals(val + 3 * n, (int) tail.join());
4337		}}
4338
4339	+	/**
4340	+	* A single CompletableFuture with many dependents.
4341	+	* A demo of scalability - runtime is O(n).
4342	+	*/
4343	+	@SuppressWarnings("FutureReturnValueIgnored")
4344	+	public void testManyDependents() throws Throwable {
4345	+	final int n = expensiveTests ? 1_000_000 : 10;
4346	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4347	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4348	+	final AtomicInteger count = new AtomicInteger(0);
4349	+	for (int i = 0; i < n; i++) {
4350	+	head.thenRun(() -> count.getAndIncrement());
4351	+	head.thenAccept(x -> count.getAndIncrement());
4352	+	head.thenApply(x -> count.getAndIncrement());
4353	+
4354	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4355	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4356	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4357	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4358	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4359	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4360	+
4361	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4362	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4363	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4364	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4365	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4366	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4367	+	}
4368	+	head.complete(null);
4369	+	assertEquals(5 * 3 * n, count.get());
4370	+	}
4371	+
4372	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4373	+	@SuppressWarnings("FutureReturnValueIgnored")
4374	+	public void testCoCompletionGarbageRetention() throws Throwable {
4375	+	final int n = expensiveTests ? 1_000_000 : 10;
4376	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4377	+	CompletableFuture<Integer> f;
4378	+	for (int i = 0; i < n; i++) {
4379	+	f = new CompletableFuture<>();
4380	+	f.runAfterEither(incomplete, () -> {});
4381	+	f.complete(null);
4382	+
4383	+	f = new CompletableFuture<>();
4384	+	f.acceptEither(incomplete, x -> {});
4385	+	f.complete(null);
4386	+
4387	+	f = new CompletableFuture<>();
4388	+	f.applyToEither(incomplete, x -> x);
4389	+	f.complete(null);
4390	+
4391	+	f = new CompletableFuture<>();
4392	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4393	+	f.complete(null);
4394	+	}
4395	+
4396	+	for (int i = 0; i < n; i++) {
4397	+	f = new CompletableFuture<>();
4398	+	incomplete.runAfterEither(f, () -> {});
4399	+	f.complete(null);
4400	+
4401	+	f = new CompletableFuture<>();
4402	+	incomplete.acceptEither(f, x -> {});
4403	+	f.complete(null);
4404	+
4405	+	f = new CompletableFuture<>();
4406	+	incomplete.applyToEither(f, x -> x);
4407	+	f.complete(null);
4408	+
4409	+	f = new CompletableFuture<>();
4410	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4411	+	f.complete(null);
4412	+	}
4413	+	}
4414	+
4415	+	/**
4416	+	* Reproduction recipe for:
4417	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4418	+	* 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
4419	+	*/
4420	+	public void testAnyOfGarbageRetention() throws Throwable {
4421	+	for (Integer v : new Integer[] { 1, null })
4422	+	{
4423	+	final int n = expensiveTests ? 100_000 : 10;
4424	+	CompletableFuture<Integer>[] fs
4425	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4426	+	for (int i = 0; i < fs.length; i++)
4427	+	fs[i] = new CompletableFuture<>();
4428	+	fs[fs.length - 1].complete(v);
4429	+	for (int i = 0; i < n; i++)
4430	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4431	+	}}
4432	+
4433	+	/**
4434	+	* Checks for garbage retention with allOf.
4435	+	*
4436	+	* As of 2016-07, fails with OOME:
4437	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4438	+	*/
4439	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4440	+	final int n = expensiveTests ? 100_000 : 10;
4441	+	CompletableFuture<Integer>[] fs
4442	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4443	+	for (int i = 0; i < fs.length; i++)
4444	+	fs[i] = new CompletableFuture<>();
4445	+	for (int i = 0; i < n; i++)
4446	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4447	+	}
4448	+
4449	+	/**
4450	+	* Checks for garbage retention when a dependent future is
4451	+	* cancelled and garbage-collected.
4452	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4453	+	*
4454	+	* As of 2016-07, fails with OOME:
4455	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4456	+	*/
4457	+	public void testCancelledGarbageRetention() throws Throwable {
4458	+	final int n = expensiveTests ? 100_000 : 10;
4459	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4460	+	for (int i = 0; i < n; i++)
4461	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4462	+	}
4463	+
4464	+	/**
4465	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4466	+	* is invoked many times.
4467	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4468	+	*
4469	+	* As of 2016-07, fails with OOME:
4470	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4471	+	*/
4472	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4473	+	final int n = expensiveTests ? 900_000 : 10;
4474	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4475	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4476	+	for (int i = 0; i < n; i++)
4477	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4478	+	}
4479	+
4480	+	//     static <U> U join(CompletionStage<U> stage) {
4481	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4482	+	//         stage.whenComplete((v, ex) -> {
4483	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4484	+	//         });
4485	+	//         return f.join();
4486	+	//     }
4487	+
4488	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4489	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4490	+	//         stage.whenComplete((v, ex) -> {
4491	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4492	+	//         });
4493	+	//         return f.isDone();
4494	+	//     }
4495	+
4496	+	//     static <U> U join2(CompletionStage<U> stage) {
4497	+	//         return stage.toCompletableFuture().copy().join();
4498	+	//     }
4499	+
4500	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4501	+	//         return stage.toCompletableFuture().copy().isDone();
4502	+	//     }
4503	+
4504		}

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