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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 1.192 by jsr166, Tue Jan 23 20:44:11 2018 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.Test;
45	+	import junit.framework.TestSuite;
46
47		public class CompletableFutureTest extends JSR166TestCase {
48
49		public static void main(String[] args) {
50	<	junit.textui.TestRunner.run(suite());
50	>	main(suite(), args);
51		}
52		public static Test suite() {
53		return new TestSuite(CompletableFutureTest.class);
#	Line 42 | Line 58 | public class CompletableFutureTest exten
58		void checkIncomplete(CompletableFuture<?> f) {
59		assertFalse(f.isDone());
60		assertFalse(f.isCancelled());
61	<	assertTrue(f.toString().contains("[Not completed]"));
61	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
62		try {
63		assertNull(f.getNow(null));
64		} catch (Throwable fail) { threadUnexpectedException(fail); }
65		try {
66	<	f.get(0L, SECONDS);
66	>	f.get(randomExpiredTimeout(), randomTimeUnit());
67		shouldThrow();
68		}
69		catch (TimeoutException success) {}
#	Line 55 | Line 71 | public class CompletableFutureTest exten
71		}
72
73		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
74	<	try {
75	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
60	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
74	>	checkTimedGet(f, value);
75	>
76		try {
77		assertEquals(value, f.join());
63	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
64	–	try {
78		assertEquals(value, f.getNow(null));
66	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
67	–	try {
79		assertEquals(value, f.get());
80		} catch (Throwable fail) { threadUnexpectedException(fail); }
81		assertTrue(f.isDone());
82		assertFalse(f.isCancelled());
83		assertFalse(f.isCompletedExceptionally());
84	<	assertTrue(f.toString().contains("[Completed normally]"));
84	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
85		}
86
87	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
88	<	try {
89	<	f.get(LONG_DELAY_MS, MILLISECONDS);
90	<	shouldThrow();
91	<	} catch (ExecutionException success) {
92	<	assertTrue(success.getCause() instanceof CFException);
93	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
94	<	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]"));
87	>	/**
88	>	* Returns the "raw" internal exceptional completion of f,
89	>	* without any additional wrapping with CompletionException.
90	>	*/
91	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
92	>	// handle (and whenComplete and exceptionally) can distinguish
93	>	// between "direct" and "wrapped" exceptional completion
94	>	return f.handle((u, t) -> t).join();
95		}
96
97	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
98	<	CFException ex) {
97	>	void checkCompletedExceptionally(CompletableFuture<?> f,
98	>	boolean wrapped,
99	>	Consumer<Throwable> checker) {
100	>	Throwable cause = exceptionalCompletion(f);
101	>	if (wrapped) {
102	>	assertTrue(cause instanceof CompletionException);
103	>	cause = cause.getCause();
104	>	}
105	>	checker.accept(cause);
106	>
107	>	long startTime = System.nanoTime();
108		try {
109		f.get(LONG_DELAY_MS, MILLISECONDS);
110		shouldThrow();
111		} catch (ExecutionException success) {
112	<	assertSame(ex, success.getCause());
112	>	assertSame(cause, success.getCause());
113		} catch (Throwable fail) { threadUnexpectedException(fail); }
114	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
115	+
116		try {
117		f.join();
118		shouldThrow();
119		} catch (CompletionException success) {
120	<	assertSame(ex, success.getCause());
121	<	}
120	>	assertSame(cause, success.getCause());
121	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
122	>
123		try {
124		f.getNow(null);
125		shouldThrow();
126		} catch (CompletionException success) {
127	<	assertSame(ex, success.getCause());
128	<	}
127	>	assertSame(cause, success.getCause());
128	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
129	>
130		try {
131		f.get();
132		shouldThrow();
133		} catch (ExecutionException success) {
134	<	assertSame(ex, success.getCause());
134	>	assertSame(cause, success.getCause());
135		} catch (Throwable fail) { threadUnexpectedException(fail); }
136	<	assertTrue(f.isDone());
136	>
137		assertFalse(f.isCancelled());
138	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
138	>	assertTrue(f.isDone());
139	>	assertTrue(f.isCompletedExceptionally());
140	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
141	>	}
142	>
143	>	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
144	>	checkCompletedExceptionally(f, true,
145	>	t -> assertTrue(t instanceof CFException));
146	>	}
147	>
148	>	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
149	>	checkCompletedExceptionally(f, true,
150	>	t -> assertTrue(t instanceof CancellationException));
151	>	}
152	>
153	>	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
154	>	checkCompletedExceptionally(f, false,
155	>	t -> assertTrue(t instanceof TimeoutException));
156	>	}
157	>
158	>	void checkCompletedWithWrappedException(CompletableFuture<?> f,
159	>	Throwable ex) {
160	>	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
161	>	}
162	>
163	>	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
164	>	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
165		}
166
167		void checkCancelled(CompletableFuture<?> f) {
168	+	long startTime = System.nanoTime();
169		try {
170		f.get(LONG_DELAY_MS, MILLISECONDS);
171		shouldThrow();
172		} catch (CancellationException success) {
173		} catch (Throwable fail) { threadUnexpectedException(fail); }
174	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
175	+
176		try {
177		f.join();
178		shouldThrow();
#	Line 153 | Line 186 | public class CompletableFutureTest exten
186		shouldThrow();
187		} catch (CancellationException success) {
188		} 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	–	}
189
190	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
191	<	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); }
190	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
191	>
192		assertTrue(f.isDone());
188	–	assertFalse(f.isCancelled());
193		assertTrue(f.isCompletedExceptionally());
194	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
194	>	assertTrue(f.isCancelled());
195	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
196		}
197
198		/**
#	Line 204 | Line 209 | public class CompletableFutureTest exten
209		* isCancelled, join, get, and getNow
210		*/
211		public void testComplete() {
212	+	for (Integer v1 : new Integer[] { 1, null })
213	+	{
214		CompletableFuture<Integer> f = new CompletableFuture<>();
215		checkIncomplete(f);
216	<	f.complete(one);
217	<	checkCompletedNormally(f, one);
218	<	}
216	>	assertTrue(f.complete(v1));
217	>	assertFalse(f.complete(v1));
218	>	checkCompletedNormally(f, v1);
219	>	}}
220
221		/**
222		* completeExceptionally completes exceptionally, as indicated by
#	Line 216 | Line 224 | public class CompletableFutureTest exten
224		*/
225		public void testCompleteExceptionally() {
226		CompletableFuture<Integer> f = new CompletableFuture<>();
227	+	CFException ex = new CFException();
228		checkIncomplete(f);
229	<	f.completeExceptionally(new CFException());
230	<	checkCompletedWithWrappedCFException(f);
229	>	f.completeExceptionally(ex);
230	>	checkCompletedExceptionally(f, ex);
231		}
232
233		/**
#	Line 226 | Line 235 | public class CompletableFutureTest exten
235		* methods isDone, isCancelled, join, get, and getNow
236		*/
237		public void testCancel() {
238	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
239	+	{
240		CompletableFuture<Integer> f = new CompletableFuture<>();
241		checkIncomplete(f);
242	<	assertTrue(f.cancel(true));
242	>	assertTrue(f.cancel(mayInterruptIfRunning));
243	>	assertTrue(f.cancel(mayInterruptIfRunning));
244	>	assertTrue(f.cancel(!mayInterruptIfRunning));
245		checkCancelled(f);
246	<	}
246	>	}}
247
248		/**
249		* obtrudeValue forces completion with given value
#	Line 238 | Line 251 | public class CompletableFutureTest exten
251		public void testObtrudeValue() {
252		CompletableFuture<Integer> f = new CompletableFuture<>();
253		checkIncomplete(f);
254	<	f.complete(one);
254	>	assertTrue(f.complete(one));
255		checkCompletedNormally(f, one);
256		f.obtrudeValue(three);
257		checkCompletedNormally(f, three);
#	Line 259 | Line 272 | public class CompletableFutureTest exten
272		* obtrudeException forces completion with given exception
273		*/
274		public void testObtrudeException() {
275	<	CompletableFuture<Integer> f = new CompletableFuture<>();
276	<	checkIncomplete(f);
277	<	f.complete(one);
278	<	checkCompletedNormally(f, one);
279	<	f.obtrudeException(new CFException());
267	<	checkCompletedWithWrappedCFException(f);
275	>	for (Integer v1 : new Integer[] { 1, null })
276	>	{
277	>	CFException ex;
278	>	CompletableFuture<Integer> f;
279	>
280		f = new CompletableFuture<>();
281	<	f.obtrudeException(new CFException());
282	<	checkCompletedWithWrappedCFException(f);
281	>	assertTrue(f.complete(v1));
282	>	for (int i = 0; i < 2; i++) {
283	>	f.obtrudeException(ex = new CFException());
284	>	checkCompletedExceptionally(f, ex);
285	>	}
286	>
287	>	f = new CompletableFuture<>();
288	>	for (int i = 0; i < 2; i++) {
289	>	f.obtrudeException(ex = new CFException());
290	>	checkCompletedExceptionally(f, ex);
291	>	}
292	>
293		f = new CompletableFuture<>();
294	+	f.completeExceptionally(ex = new CFException());
295	+	f.obtrudeValue(v1);
296	+	checkCompletedNormally(f, v1);
297	+	f.obtrudeException(ex = new CFException());
298	+	checkCompletedExceptionally(f, ex);
299		f.completeExceptionally(new CFException());
300	<	f.obtrudeValue(four);
301	<	checkCompletedNormally(f, four);
302	<	f.obtrudeException(new CFException());
303	<	checkCompletedWithWrappedCFException(f);
277	<	}
300	>	checkCompletedExceptionally(f, ex);
301	>	assertFalse(f.complete(v1));
302	>	checkCompletedExceptionally(f, ex);
303	>	}}
304
305		/**
306		* getNumberOfDependents returns number of dependent tasks
307		*/
308		public void testGetNumberOfDependents() {
309	+	for (ExecutionMode m : ExecutionMode.values())
310	+	for (Integer v1 : new Integer[] { 1, null })
311	+	{
312		CompletableFuture<Integer> f = new CompletableFuture<>();
313		assertEquals(0, f.getNumberOfDependents());
314	<	CompletableFuture g = f.thenRun(new Noop());
314	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
315		assertEquals(1, f.getNumberOfDependents());
316		assertEquals(0, g.getNumberOfDependents());
317	<	CompletableFuture h = f.thenRun(new Noop());
317	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
318		assertEquals(2, f.getNumberOfDependents());
319	<	f.complete(1);
319	>	assertEquals(0, h.getNumberOfDependents());
320	>	assertTrue(f.complete(v1));
321		checkCompletedNormally(g, null);
322	+	checkCompletedNormally(h, null);
323		assertEquals(0, f.getNumberOfDependents());
324		assertEquals(0, g.getNumberOfDependents());
325	<	}
325	>	assertEquals(0, h.getNumberOfDependents());
326	>	}}
327
328		/**
329		* toString indicates current completion state
330		*/
331	<	public void testToString() {
332	<	CompletableFuture<String> f;
333	<
334	<	f = new CompletableFuture<String>();
335	<	assertTrue(f.toString().contains("[Not completed]"));
336	<
337	<	f.complete("foo");
338	<	assertTrue(f.toString().contains("[Completed normally]"));
339	<
340	<	f = new CompletableFuture<String>();
341	<	f.completeExceptionally(new IndexOutOfBoundsException());
342	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
331	>	public void testToString_incomplete() {
332	>	CompletableFuture<String> f = new CompletableFuture<>();
333	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
334	>	if (testImplementationDetails)
335	>	assertEquals(identityString(f) + "[Not completed]",
336	>	f.toString());
337	>	}
338	>
339	>	public void testToString_normal() {
340	>	CompletableFuture<String> f = new CompletableFuture<>();
341	>	assertTrue(f.complete("foo"));
342	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
343	>	if (testImplementationDetails)
344	>	assertEquals(identityString(f) + "[Completed normally]",
345	>	f.toString());
346	>	}
347	>
348	>	public void testToString_exception() {
349	>	CompletableFuture<String> f = new CompletableFuture<>();
350	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
351	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
352	>	if (testImplementationDetails)
353	>	assertTrue(f.toString().startsWith(
354	>	identityString(f) + "[Completed exceptionally: "));
355	>	}
356	>
357	>	public void testToString_cancelled() {
358	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
359	>	CompletableFuture<String> f = new CompletableFuture<>();
360	>	assertTrue(f.cancel(mayInterruptIfRunning));
361	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
362	>	if (testImplementationDetails)
363	>	assertTrue(f.toString().startsWith(
364	>	identityString(f) + "[Completed exceptionally: "));
365	>	}
366		}
367
368		/**
#	Line 318 | Line 373 | public class CompletableFutureTest exten
373		checkCompletedNormally(f, "test");
374		}
375
376	<	// Choose non-commutative actions for better coverage
376	>	abstract static class CheckedAction {
377	>	int invocationCount = 0;
378	>	final ExecutionMode m;
379	>	CheckedAction(ExecutionMode m) { this.m = m; }
380	>	void invoked() {
381	>	m.checkExecutionMode();
382	>	assertEquals(0, invocationCount++);
383	>	}
384	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
385	>	void assertInvoked() { assertEquals(1, invocationCount); }
386	>	}
387
388	<	// A non-commutative function that handles and produces null values as well.
389	<	static Integer subtract(Integer x, Integer y) {
390	<	return (x == null && y == null) ? null :
391	<	((x == null) ? 42 : x.intValue())
392	<	- ((y == null) ? 99 : y.intValue());
388	>	abstract static class CheckedIntegerAction extends CheckedAction {
389	>	Integer value;
390	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
391	>	void assertValue(Integer expected) {
392	>	assertInvoked();
393	>	assertEquals(expected, value);
394	>	}
395	>	}
396	>
397	>	static class IntegerSupplier extends CheckedAction
398	>	implements Supplier<Integer>
399	>	{
400	>	final Integer value;
401	>	IntegerSupplier(ExecutionMode m, Integer value) {
402	>	super(m);
403	>	this.value = value;
404	>	}
405	>	public Integer get() {
406	>	invoked();
407	>	return value;
408	>	}
409		}
410
411		// A function that handles and produces null values as well.
#	Line 332 | Line 413 | public class CompletableFutureTest exten
413		return (x == null) ? null : x + 1;
414		}
415
416	<	static final Supplier<Integer> supplyOne =
417	<	() -> Integer.valueOf(1);
418	<	static final Function<Integer, Integer> inc =
419	<	(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;
416	>	static class NoopConsumer extends CheckedIntegerAction
417	>	implements Consumer<Integer>
418	>	{
419	>	NoopConsumer(ExecutionMode m) { super(m); }
420		public void accept(Integer x) {
421	<	invocationCount++;
422	<	value = inc(x);
421	>	invoked();
422	>	value = x;
423		}
424		}
425	<	static final class IncFunction implements Function<Integer,Integer> {
426	<	int invocationCount = 0;
427	<	Integer value;
425	>
426	>	static class IncFunction extends CheckedIntegerAction
427	>	implements Function<Integer,Integer>
428	>	{
429	>	IncFunction(ExecutionMode m) { super(m); }
430		public Integer apply(Integer x) {
431	<	invocationCount++;
431	>	invoked();
432		return value = inc(x);
433		}
434		}
435	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
436	<	int invocationCount = 0;
437	<	Integer value;
438	<	// Check this action was invoked exactly once when result is computed.
435	>
436	>	// Choose non-commutative actions for better coverage
437	>	// A non-commutative function that handles and produces null values as well.
438	>	static Integer subtract(Integer x, Integer y) {
439	>	return (x == null && y == null) ? null :
440	>	((x == null) ? 42 : x.intValue())
441	>	- ((y == null) ? 99 : y.intValue());
442	>	}
443	>
444	>	static class SubtractAction extends CheckedIntegerAction
445	>	implements BiConsumer<Integer, Integer>
446	>	{
447	>	SubtractAction(ExecutionMode m) { super(m); }
448		public void accept(Integer x, Integer y) {
449	<	invocationCount++;
449	>	invoked();
450		value = subtract(x, y);
451		}
452		}
453	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
454	<	int invocationCount = 0;
455	<	Integer value;
456	<	// Check this action was invoked exactly once when result is computed.
453	>
454	>	static class SubtractFunction extends CheckedIntegerAction
455	>	implements BiFunction<Integer, Integer, Integer>
456	>	{
457	>	SubtractFunction(ExecutionMode m) { super(m); }
458		public Integer apply(Integer x, Integer y) {
459	<	invocationCount++;
459	>	invoked();
460		return value = subtract(x, y);
461		}
462		}
463	<	static final class Noop implements Runnable {
464	<	int invocationCount = 0;
463	>
464	>	static class Noop extends CheckedAction implements Runnable {
465	>	Noop(ExecutionMode m) { super(m); }
466		public void run() {
467	<	invocationCount++;
467	>	invoked();
468		}
469		}
470
471	<	static final class FailingSupplier implements Supplier<Integer> {
472	<	int invocationCount = 0;
471	>	static class FailingSupplier extends CheckedAction
472	>	implements Supplier<Integer>
473	>	{
474	>	final CFException ex;
475	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
476		public Integer get() {
477	<	invocationCount++;
478	<	throw new CFException();
477	>	invoked();
478	>	throw ex;
479		}
480		}
481	<	static final class FailingConsumer implements Consumer<Integer> {
482	<	int invocationCount = 0;
481	>
482	>	static class FailingConsumer extends CheckedIntegerAction
483	>	implements Consumer<Integer>
484	>	{
485	>	final CFException ex;
486	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
487		public void accept(Integer x) {
488	<	invocationCount++;
489	<	throw new CFException();
488	>	invoked();
489	>	value = x;
490	>	throw ex;
491		}
492		}
493	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
494	<	int invocationCount = 0;
493	>
494	>	static class FailingBiConsumer extends CheckedIntegerAction
495	>	implements BiConsumer<Integer, Integer>
496	>	{
497	>	final CFException ex;
498	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
499		public void accept(Integer x, Integer y) {
500	<	invocationCount++;
501	<	throw new CFException();
500	>	invoked();
501	>	value = subtract(x, y);
502	>	throw ex;
503		}
504		}
505	<	static final class FailingFunction implements Function<Integer, Integer> {
506	<	int invocationCount = 0;
505	>
506	>	static class FailingFunction extends CheckedIntegerAction
507	>	implements Function<Integer, Integer>
508	>	{
509	>	final CFException ex;
510	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
511		public Integer apply(Integer x) {
512	<	invocationCount++;
513	<	throw new CFException();
512	>	invoked();
513	>	value = x;
514	>	throw ex;
515		}
516		}
517	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
518	<	int invocationCount = 0;
517	>
518	>	static class FailingBiFunction extends CheckedIntegerAction
519	>	implements BiFunction<Integer, Integer, Integer>
520	>	{
521	>	final CFException ex;
522	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
523		public Integer apply(Integer x, Integer y) {
524	<	invocationCount++;
525	<	throw new CFException();
524	>	invoked();
525	>	value = subtract(x, y);
526	>	throw ex;
527		}
528		}
529	<	static final class FailingNoop implements Runnable {
530	<	int invocationCount = 0;
529	>
530	>	static class FailingRunnable extends CheckedAction implements Runnable {
531	>	final CFException ex;
532	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
533		public void run() {
534	<	invocationCount++;
535	<	throw new CFException();
534	>	invoked();
535	>	throw ex;
536		}
537		}
538
539	<	static final class CompletableFutureInc
540	<	implements Function<Integer, CompletableFuture<Integer>> {
541	<	int invocationCount = 0;
539	>	static class CompletableFutureInc extends CheckedIntegerAction
540	>	implements Function<Integer, CompletableFuture<Integer>>
541	>	{
542	>	CompletableFutureInc(ExecutionMode m) { super(m); }
543		public CompletableFuture<Integer> apply(Integer x) {
544	<	invocationCount++;
544	>	invoked();
545	>	value = x;
546		CompletableFuture<Integer> f = new CompletableFuture<>();
547	<	f.complete(inc(x));
547	>	assertTrue(f.complete(inc(x)));
548		return f;
549		}
550		}
551
552	<	static final class FailingCompletableFutureFunction
553	<	implements Function<Integer, CompletableFuture<Integer>> {
554	<	int invocationCount = 0;
552	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
553	>	implements Function<Integer, CompletableFuture<Integer>>
554	>	{
555	>	final CFException ex;
556	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
557		public CompletableFuture<Integer> apply(Integer x) {
558	<	invocationCount++;
559	<	throw new CFException();
558	>	invoked();
559	>	value = x;
560	>	throw ex;
561	>	}
562	>	}
563	>
564	>	static class CountingRejectingExecutor implements Executor {
565	>	final RejectedExecutionException ex = new RejectedExecutionException();
566	>	final AtomicInteger count = new AtomicInteger(0);
567	>	public void execute(Runnable r) {
568	>	count.getAndIncrement();
569	>	throw ex;
570		}
571		}
572
573		// Used for explicit executor tests
574		static final class ThreadExecutor implements Executor {
575	<	AtomicInteger count = new AtomicInteger(0);
575	>	final AtomicInteger count = new AtomicInteger(0);
576	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
577	>	static boolean startedCurrentThread() {
578	>	return Thread.currentThread().getThreadGroup() == tg;
579	>	}
580
581		public void execute(Runnable r) {
582		count.getAndIncrement();
583	<	new Thread(r).start();
583	>	new Thread(tg, r).start();
584		}
585		}
586
587	+	static final boolean defaultExecutorIsCommonPool
588	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
589	+
590		/**
591		* Permits the testing of parallel code for the 3 different
592	<	* execution modes without repeating all the testing code.
592	>	* execution modes without copy/pasting all the test methods.
593		*/
594		enum ExecutionMode {
595	<	DEFAULT {
595	>	SYNC {
596	>	public void checkExecutionMode() {
597	>	assertFalse(ThreadExecutor.startedCurrentThread());
598	>	assertNull(ForkJoinTask.getPool());
599	>	}
600	>	public CompletableFuture<Void> runAsync(Runnable a) {
601	>	throw new UnsupportedOperationException();
602	>	}
603	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
604	>	throw new UnsupportedOperationException();
605	>	}
606		public <T> CompletableFuture<Void> thenRun
607		(CompletableFuture<T> f, Runnable a) {
608		return f.thenRun(a);
#	Line 521 | Line 666 | public class CompletableFutureTest exten
666		}
667		},
668
669	<	DEFAULT_ASYNC {
669	>	ASYNC {
670	>	public void checkExecutionMode() {
671	>	assertEquals(defaultExecutorIsCommonPool,
672	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
673	>	}
674	>	public CompletableFuture<Void> runAsync(Runnable a) {
675	>	return CompletableFuture.runAsync(a);
676	>	}
677	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
678	>	return CompletableFuture.supplyAsync(a);
679	>	}
680		public <T> CompletableFuture<Void> thenRun
681		(CompletableFuture<T> f, Runnable a) {
682		return f.thenRunAsync(a);
#	Line 586 | Line 741 | public class CompletableFutureTest exten
741		},
742
743		EXECUTOR {
744	+	public void checkExecutionMode() {
745	+	assertTrue(ThreadExecutor.startedCurrentThread());
746	+	}
747	+	public CompletableFuture<Void> runAsync(Runnable a) {
748	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
749	+	}
750	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
751	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
752	+	}
753		public <T> CompletableFuture<Void> thenRun
754		(CompletableFuture<T> f, Runnable a) {
755		return f.thenRunAsync(a, new ThreadExecutor());
#	Line 649 | Line 813 | public class CompletableFutureTest exten
813		}
814		};
815
816	+	public abstract void checkExecutionMode();
817	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
818	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
819		public abstract <T> CompletableFuture<Void> thenRun
820		(CompletableFuture<T> f, Runnable a);
821		public abstract <T> CompletableFuture<Void> thenAccept
#	Line 698 | Line 865 | public class CompletableFutureTest exten
865		{
866		final AtomicInteger a = new AtomicInteger(0);
867		final CompletableFuture<Integer> f = new CompletableFuture<>();
868	<	if (!createIncomplete) f.complete(v1);
868	>	if (!createIncomplete) assertTrue(f.complete(v1));
869		final CompletableFuture<Integer> g = f.exceptionally
870		((Throwable t) -> {
704	–	// Should not be called
871		a.getAndIncrement();
872	<	throw new AssertionError();
872	>	threadFail("should not be called");
873	>	return null;            // unreached
874		});
875	<	if (createIncomplete) f.complete(v1);
875	>	if (createIncomplete) assertTrue(f.complete(v1));
876
877		checkCompletedNormally(g, v1);
878		checkCompletedNormally(f, v1);
879		assertEquals(0, a.get());
880		}}
881
715	–
882		/**
883		* exceptionally action completes with function value on source
884		* exception
#	Line 727 | Line 893 | public class CompletableFutureTest exten
893		if (!createIncomplete) f.completeExceptionally(ex);
894		final CompletableFuture<Integer> g = f.exceptionally
895		((Throwable t) -> {
896	+	ExecutionMode.SYNC.checkExecutionMode();
897		threadAssertSame(t, ex);
898		a.getAndIncrement();
899		return v1;
#	Line 737 | Line 904 | public class CompletableFutureTest exten
904		assertEquals(1, a.get());
905		}}
906
907	+	/**
908	+	* If an "exceptionally action" throws an exception, it completes
909	+	* exceptionally with that exception
910	+	*/
911		public void testExceptionally_exceptionalCompletionActionFailed() {
912		for (boolean createIncomplete : new boolean[] { true, false })
742	–	for (Integer v1 : new Integer[] { 1, null })
913		{
914		final AtomicInteger a = new AtomicInteger(0);
915		final CFException ex1 = new CFException();
#	Line 748 | Line 918 | public class CompletableFutureTest exten
918		if (!createIncomplete) f.completeExceptionally(ex1);
919		final CompletableFuture<Integer> g = f.exceptionally
920		((Throwable t) -> {
921	+	ExecutionMode.SYNC.checkExecutionMode();
922		threadAssertSame(t, ex1);
923		a.getAndIncrement();
924		throw ex2;
925		});
926		if (createIncomplete) f.completeExceptionally(ex1);
927
928	<	checkCompletedWithWrappedCFException(g, ex2);
928	>	checkCompletedWithWrappedException(g, ex2);
929	>	checkCompletedExceptionally(f, ex1);
930		assertEquals(1, a.get());
931		}}
932
933		/**
934	<	* handle action completes normally with function value on normal
935	<	* completion of source
934	>	* whenComplete action executes on normal completion, propagating
935	>	* source result.
936		*/
937	<	public void testHandle_normalCompletion() {
937	>	public void testWhenComplete_normalCompletion() {
938		for (ExecutionMode m : ExecutionMode.values())
939		for (boolean createIncomplete : new boolean[] { true, false })
940		for (Integer v1 : new Integer[] { 1, null })
941		{
770	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
942		final AtomicInteger a = new AtomicInteger(0);
943	<	if (!createIncomplete) f.complete(v1);
944	<	final CompletableFuture<Integer> g = m.handle
943	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
944	>	if (!createIncomplete) assertTrue(f.complete(v1));
945	>	final CompletableFuture<Integer> g = m.whenComplete
946		(f,
947	<	(Integer x, Throwable t) -> {
948	<	threadAssertSame(x, v1);
947	>	(Integer result, Throwable t) -> {
948	>	m.checkExecutionMode();
949	>	threadAssertSame(result, v1);
950		threadAssertNull(t);
951		a.getAndIncrement();
779	–	return inc(v1);
952		});
953	<	if (createIncomplete) f.complete(v1);
953	>	if (createIncomplete) assertTrue(f.complete(v1));
954
955	<	checkCompletedNormally(g, inc(v1));
955	>	checkCompletedNormally(g, v1);
956		checkCompletedNormally(f, v1);
957		assertEquals(1, a.get());
958		}}
959
960		/**
961	<	* handle action completes normally with function value on
962	<	* exceptional completion of source
961	>	* whenComplete action executes on exceptional completion, propagating
962	>	* source result.
963		*/
964	<	public void testHandle_exceptionalCompletion() {
964	>	public void testWhenComplete_exceptionalCompletion() {
965		for (ExecutionMode m : ExecutionMode.values())
966		for (boolean createIncomplete : new boolean[] { true, false })
795	–	for (Integer v1 : new Integer[] { 1, null })
967		{
797	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
968		final AtomicInteger a = new AtomicInteger(0);
969		final CFException ex = new CFException();
970	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
971		if (!createIncomplete) f.completeExceptionally(ex);
972	<	final CompletableFuture<Integer> g = m.handle
972	>	final CompletableFuture<Integer> g = m.whenComplete
973		(f,
974	<	(Integer x, Throwable t) -> {
975	<	threadAssertNull(x);
974	>	(Integer result, Throwable t) -> {
975	>	m.checkExecutionMode();
976	>	threadAssertNull(result);
977		threadAssertSame(t, ex);
978		a.getAndIncrement();
807	–	return v1;
979		});
980		if (createIncomplete) f.completeExceptionally(ex);
981
982	<	checkCompletedNormally(g, v1);
983	<	checkCompletedWithWrappedCFException(f, ex);
982	>	checkCompletedWithWrappedException(g, ex);
983	>	checkCompletedExceptionally(f, ex);
984		assertEquals(1, a.get());
985		}}
986
987		/**
988	<	* handle action completes normally with function value on
989	<	* cancelled source
988	>	* whenComplete action executes on cancelled source, propagating
989	>	* CancellationException.
990		*/
991	<	public void testHandle_sourceCancelled() {
991	>	public void testWhenComplete_sourceCancelled() {
992		for (ExecutionMode m : ExecutionMode.values())
993		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
994		for (boolean createIncomplete : new boolean[] { true, false })
824	–	for (Integer v1 : new Integer[] { 1, null })
995		{
826	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
996		final AtomicInteger a = new AtomicInteger(0);
997	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
998		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
999	<	final CompletableFuture<Integer> g = m.handle
999	>	final CompletableFuture<Integer> g = m.whenComplete
1000		(f,
1001	<	(Integer x, Throwable t) -> {
1002	<	threadAssertNull(x);
1001	>	(Integer result, Throwable t) -> {
1002	>	m.checkExecutionMode();
1003	>	threadAssertNull(result);
1004		threadAssertTrue(t instanceof CancellationException);
1005		a.getAndIncrement();
835	–	return v1;
1006		});
1007		if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1008
1009	<	checkCompletedNormally(g, v1);
1009	>	checkCompletedWithWrappedCancellationException(g);
1010		checkCancelled(f);
1011		assertEquals(1, a.get());
1012		}}
1013
1014		/**
1015	<	* handle result completes exceptionally if action does
1015	>	* If a whenComplete action throws an exception when triggered by
1016	>	* a normal completion, it completes exceptionally
1017		*/
1018	<	public void testHandle_sourceFailedActionFailed() {
848	<	for (ExecutionMode m : ExecutionMode.values())
1018	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1019		for (boolean createIncomplete : new boolean[] { true, false })
1020	+	for (ExecutionMode m : ExecutionMode.values())
1021	+	for (Integer v1 : new Integer[] { 1, null })
1022		{
1023	+	final AtomicInteger a = new AtomicInteger(0);
1024	+	final CFException ex = new CFException();
1025		final CompletableFuture<Integer> f = new CompletableFuture<>();
1026	+	if (!createIncomplete) assertTrue(f.complete(v1));
1027	+	final CompletableFuture<Integer> g = m.whenComplete
1028	+	(f,
1029	+	(Integer result, Throwable t) -> {
1030	+	m.checkExecutionMode();
1031	+	threadAssertSame(result, v1);
1032	+	threadAssertNull(t);
1033	+	a.getAndIncrement();
1034	+	throw ex;
1035	+	});
1036	+	if (createIncomplete) assertTrue(f.complete(v1));
1037	+
1038	+	checkCompletedWithWrappedException(g, ex);
1039	+	checkCompletedNormally(f, v1);
1040	+	assertEquals(1, a.get());
1041	+	}}
1042	+
1043	+	/**
1044	+	* If a whenComplete action throws an exception when triggered by
1045	+	* a source completion that also throws an exception, the source
1046	+	* exception takes precedence (unlike handle)
1047	+	*/
1048	+	public void testWhenComplete_sourceFailedActionFailed() {
1049	+	for (boolean createIncomplete : new boolean[] { true, false })
1050	+	for (ExecutionMode m : ExecutionMode.values())
1051	+	{
1052		final AtomicInteger a = new AtomicInteger(0);
1053		final CFException ex1 = new CFException();
1054		final CFException ex2 = new CFException();
1055	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1056	+
1057		if (!createIncomplete) f.completeExceptionally(ex1);
1058	<	final CompletableFuture<Integer> g = m.handle
1058	>	final CompletableFuture<Integer> g = m.whenComplete
1059		(f,
1060	<	(Integer x, Throwable t) -> {
1061	<	threadAssertNull(x);
1062	<	threadAssertSame(ex1, t);
1060	>	(Integer result, Throwable t) -> {
1061	>	m.checkExecutionMode();
1062	>	threadAssertSame(t, ex1);
1063	>	threadAssertNull(result);
1064		a.getAndIncrement();
1065		throw ex2;
1066		});
1067		if (createIncomplete) f.completeExceptionally(ex1);
1068
1069	<	checkCompletedWithWrappedCFException(g, ex2);
1070	<	checkCompletedWithWrappedCFException(f, ex1);
1069	>	checkCompletedWithWrappedException(g, ex1);
1070	>	checkCompletedExceptionally(f, ex1);
1071	>	if (testImplementationDetails) {
1072	>	assertEquals(1, ex1.getSuppressed().length);
1073	>	assertSame(ex2, ex1.getSuppressed()[0]);
1074	>	}
1075		assertEquals(1, a.get());
1076		}}
1077
1078	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1078	>	/**
1079	>	* handle action completes normally with function value on normal
1080	>	* completion of source
1081	>	*/
1082	>	public void testHandle_normalCompletion() {
1083		for (ExecutionMode m : ExecutionMode.values())
1084		for (boolean createIncomplete : new boolean[] { true, false })
1085		for (Integer v1 : new Integer[] { 1, null })
1086		{
1087		final CompletableFuture<Integer> f = new CompletableFuture<>();
1088		final AtomicInteger a = new AtomicInteger(0);
1089	<	final CFException ex = new CFException();
879	<	if (!createIncomplete) f.complete(v1);
1089	>	if (!createIncomplete) assertTrue(f.complete(v1));
1090		final CompletableFuture<Integer> g = m.handle
1091		(f,
1092	<	(Integer x, Throwable t) -> {
1093	<	threadAssertSame(x, v1);
1092	>	(Integer result, Throwable t) -> {
1093	>	m.checkExecutionMode();
1094	>	threadAssertSame(result, v1);
1095		threadAssertNull(t);
1096		a.getAndIncrement();
1097	<	throw ex;
1097	>	return inc(v1);
1098		});
1099	<	if (createIncomplete) f.complete(v1);
1099	>	if (createIncomplete) assertTrue(f.complete(v1));
1100
1101	<	checkCompletedWithWrappedCFException(g, ex);
1101	>	checkCompletedNormally(g, inc(v1));
1102		checkCompletedNormally(f, v1);
1103		assertEquals(1, a.get());
1104		}}
1105
1106		/**
1107	<	* runAsync completes after running Runnable
1108	<	*/
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
1107	>	* handle action completes normally with function value on
1108	>	* exceptional completion of source
1109		*/
1110	<	public void testThenCombine_normalCompletion1() {
1135	<	for (boolean createIncomplete : new boolean[] { true, false })
1136	<	for (boolean fFirst : new boolean[] { true, false })
1110	>	public void testHandle_exceptionalCompletion() {
1111		for (ExecutionMode m : ExecutionMode.values())
1112	+	for (boolean createIncomplete : new boolean[] { true, false })
1113		for (Integer v1 : new Integer[] { 1, null })
1139	–	for (Integer v2 : new Integer[] { 2, null })
1114		{
1115		final CompletableFuture<Integer> f = new CompletableFuture<>();
1116	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1117	<	final SubtractFunction r = new SubtractFunction();
1118	<	CompletableFuture<Integer> h = null;
1119	<	if (createIncomplete) h = m.thenCombine(f, g, r);
1120	<
1121	<	if (fFirst)
1122	<	f.complete(v1);
1123	<	else
1124	<	g.complete(v2);
1125	<	if (createIncomplete) checkIncomplete(h);
1126	<	assertEquals(0, r.invocationCount);
1127	<	if (!fFirst)
1128	<	f.complete(v1);
1155	<	else
1156	<	g.complete(v2);
1157	<	if (!createIncomplete) h = m.thenCombine(f, g, r);
1116	>	final AtomicInteger a = new AtomicInteger(0);
1117	>	final CFException ex = new CFException();
1118	>	if (!createIncomplete) f.completeExceptionally(ex);
1119	>	final CompletableFuture<Integer> g = m.handle
1120	>	(f,
1121	>	(Integer result, Throwable t) -> {
1122	>	m.checkExecutionMode();
1123	>	threadAssertNull(result);
1124	>	threadAssertSame(t, ex);
1125	>	a.getAndIncrement();
1126	>	return v1;
1127	>	});
1128	>	if (createIncomplete) f.completeExceptionally(ex);
1129
1130	<	checkCompletedNormally(h, subtract(v1, v2));
1131	<	checkCompletedNormally(f, v1);
1132	<	checkCompletedNormally(g, v2);
1162	<	assertEquals(1, r.invocationCount);
1130	>	checkCompletedNormally(g, v1);
1131	>	checkCompletedExceptionally(f, ex);
1132	>	assertEquals(1, a.get());
1133		}}
1134
1135		/**
1136	<	* thenCombine result completes exceptionally after exceptional
1137	<	* completion of either source
1136	>	* handle action completes normally with function value on
1137	>	* cancelled source
1138		*/
1139	<	public void testThenCombine_exceptionalCompletion1() {
1139	>	public void testHandle_sourceCancelled() {
1140		for (ExecutionMode m : ExecutionMode.values())
1141	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1142	+	for (boolean createIncomplete : new boolean[] { true, false })
1143		for (Integer v1 : new Integer[] { 1, null })
1144		{
1145		final CompletableFuture<Integer> f = new CompletableFuture<>();
1146	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1147	<	final SubtractFunction r = new SubtractFunction();
1148	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1149	<	final CFException ex = new CFException();
1150	<
1151	<	f.completeExceptionally(ex);
1152	<	checkIncomplete(h);
1153	<	g.complete(v1);
1146	>	final AtomicInteger a = new AtomicInteger(0);
1147	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1148	>	final CompletableFuture<Integer> g = m.handle
1149	>	(f,
1150	>	(Integer result, Throwable t) -> {
1151	>	m.checkExecutionMode();
1152	>	threadAssertNull(result);
1153	>	threadAssertTrue(t instanceof CancellationException);
1154	>	a.getAndIncrement();
1155	>	return v1;
1156	>	});
1157	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1158
1183	–	checkCompletedWithWrappedCFException(h, ex);
1184	–	checkCompletedWithWrappedCFException(f, ex);
1185	–	assertEquals(0, r.invocationCount);
1159		checkCompletedNormally(g, v1);
1160	+	checkCancelled(f);
1161	+	assertEquals(1, a.get());
1162		}}
1163
1164	<	public void testThenCombine_exceptionalCompletion2() {
1164	>	/**
1165	>	* If a "handle action" throws an exception when triggered by
1166	>	* a normal completion, it completes exceptionally
1167	>	*/
1168	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1169		for (ExecutionMode m : ExecutionMode.values())
1170	+	for (boolean createIncomplete : new boolean[] { true, false })
1171		for (Integer v1 : new Integer[] { 1, null })
1172		{
1173		final CompletableFuture<Integer> f = new CompletableFuture<>();
1174	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1195	<	final SubtractFunction r = new SubtractFunction();
1196	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1174	>	final AtomicInteger a = new AtomicInteger(0);
1175		final CFException ex = new CFException();
1176	+	if (!createIncomplete) assertTrue(f.complete(v1));
1177	+	final CompletableFuture<Integer> g = m.handle
1178	+	(f,
1179	+	(Integer result, Throwable t) -> {
1180	+	m.checkExecutionMode();
1181	+	threadAssertSame(result, v1);
1182	+	threadAssertNull(t);
1183	+	a.getAndIncrement();
1184	+	throw ex;
1185	+	});
1186	+	if (createIncomplete) assertTrue(f.complete(v1));
1187
1188	<	g.completeExceptionally(ex);
1200	<	checkIncomplete(h);
1201	<	f.complete(v1);
1202	<
1203	<	checkCompletedWithWrappedCFException(h, ex);
1204	<	checkCompletedWithWrappedCFException(g, ex);
1205	<	assertEquals(0, r.invocationCount);
1188	>	checkCompletedWithWrappedException(g, ex);
1189		checkCompletedNormally(f, v1);
1190	+	assertEquals(1, a.get());
1191		}}
1192
1193	<	public void testThenCombine_exceptionalCompletion3() {
1193	>	/**
1194	>	* If a "handle action" throws an exception when triggered by
1195	>	* a source completion that also throws an exception, the action
1196	>	* exception takes precedence (unlike whenComplete)
1197	>	*/
1198	>	public void testHandle_sourceFailedActionFailed() {
1199	>	for (boolean createIncomplete : new boolean[] { true, false })
1200		for (ExecutionMode m : ExecutionMode.values())
1211	–	for (Integer v1 : new Integer[] { 1, null })
1201		{
1202	+	final AtomicInteger a = new AtomicInteger(0);
1203	+	final CFException ex1 = new CFException();
1204	+	final CFException ex2 = new CFException();
1205		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();
1206
1207	<	g.completeExceptionally(ex);
1208	<	f.complete(v1);
1209	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1207	>	if (!createIncomplete) f.completeExceptionally(ex1);
1208	>	final CompletableFuture<Integer> g = m.handle
1209	>	(f,
1210	>	(Integer result, Throwable t) -> {
1211	>	m.checkExecutionMode();
1212	>	threadAssertNull(result);
1213	>	threadAssertSame(ex1, t);
1214	>	a.getAndIncrement();
1215	>	throw ex2;
1216	>	});
1217	>	if (createIncomplete) f.completeExceptionally(ex1);
1218
1219	<	checkCompletedWithWrappedCFException(h, ex);
1220	<	checkCompletedWithWrappedCFException(g, ex);
1221	<	assertEquals(0, r.invocationCount);
1225	<	checkCompletedNormally(f, v1);
1219	>	checkCompletedWithWrappedException(g, ex2);
1220	>	checkCompletedExceptionally(f, ex1);
1221	>	assertEquals(1, a.get());
1222		}}
1223
1224	<	public void testThenCombine_exceptionalCompletion4() {
1225	<	for (ExecutionMode m : ExecutionMode.values())
1226	<	for (Integer v1 : new Integer[] { 1, null })
1224	>	/**
1225	>	* runAsync completes after running Runnable
1226	>	*/
1227	>	public void testRunAsync_normalCompletion() {
1228	>	ExecutionMode[] executionModes = {
1229	>	ExecutionMode.ASYNC,
1230	>	ExecutionMode.EXECUTOR,
1231	>	};
1232	>	for (ExecutionMode m : executionModes)
1233		{
1234	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1235	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1236	<	final SubtractFunction r = new SubtractFunction();
1237	<	final CFException ex = new CFException();
1238	<
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);
1234	>	final Noop r = new Noop(m);
1235	>	final CompletableFuture<Void> f = m.runAsync(r);
1236	>	assertNull(f.join());
1237	>	checkCompletedNormally(f, null);
1238	>	r.assertInvoked();
1239		}}
1240
1241		/**
1242	<	* thenCombine result completes exceptionally if action does
1242	>	* failing runAsync completes exceptionally after running Runnable
1243		*/
1244	<	public void testThenCombine_actionFailed1() {
1245	<	for (ExecutionMode m : ExecutionMode.values())
1246	<	for (Integer v1 : new Integer[] { 1, null })
1247	<	for (Integer v2 : new Integer[] { 2, null })
1244	>	public void testRunAsync_exceptionalCompletion() {
1245	>	ExecutionMode[] executionModes = {
1246	>	ExecutionMode.ASYNC,
1247	>	ExecutionMode.EXECUTOR,
1248	>	};
1249	>	for (ExecutionMode m : executionModes)
1250		{
1251	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1252	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1253	<	final FailingBiFunction r = new FailingBiFunction();
1254	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1251	>	final FailingRunnable r = new FailingRunnable(m);
1252	>	final CompletableFuture<Void> f = m.runAsync(r);
1253	>	checkCompletedWithWrappedException(f, r.ex);
1254	>	r.assertInvoked();
1255	>	}}
1256
1257	<	f.complete(v1);
1258	<	checkIncomplete(h);
1259	<	g.complete(v2);
1257	>	@SuppressWarnings("FutureReturnValueIgnored")
1258	>	public void testRunAsync_rejectingExecutor() {
1259	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1260	>	try {
1261	>	CompletableFuture.runAsync(() -> {}, e);
1262	>	shouldThrow();
1263	>	} catch (Throwable t) {
1264	>	assertSame(e.ex, t);
1265	>	}
1266
1267	<	checkCompletedWithWrappedCFException(h);
1268	<	checkCompletedNormally(f, v1);
1266	<	checkCompletedNormally(g, v2);
1267	<	}}
1267	>	assertEquals(1, e.count.get());
1268	>	}
1269
1270	<	public void testThenCombine_actionFailed2() {
1271	<	for (ExecutionMode m : ExecutionMode.values())
1270	>	/**
1271	>	* supplyAsync completes with result of supplier
1272	>	*/
1273	>	public void testSupplyAsync_normalCompletion() {
1274	>	ExecutionMode[] executionModes = {
1275	>	ExecutionMode.ASYNC,
1276	>	ExecutionMode.EXECUTOR,
1277	>	};
1278	>	for (ExecutionMode m : executionModes)
1279		for (Integer v1 : new Integer[] { 1, null })
1272	–	for (Integer v2 : new Integer[] { 2, null })
1280		{
1281	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1282	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1283	<	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);
1281	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1282	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1283	>	assertSame(v1, f.join());
1284		checkCompletedNormally(f, v1);
1285	<	checkCompletedNormally(g, v2);
1285	>	r.assertInvoked();
1286		}}
1287
1288		/**
1289	<	* thenCombine result completes exceptionally if either source cancelled
1289	>	* Failing supplyAsync completes exceptionally
1290		*/
1291	<	public void testThenCombine_sourceCancelled1() {
1292	<	for (ExecutionMode m : ExecutionMode.values())
1293	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1294	<	for (Integer v1 : new Integer[] { 1, null })
1291	>	public void testSupplyAsync_exceptionalCompletion() {
1292	>	ExecutionMode[] executionModes = {
1293	>	ExecutionMode.ASYNC,
1294	>	ExecutionMode.EXECUTOR,
1295	>	};
1296	>	for (ExecutionMode m : executionModes)
1297		{
1298	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1299	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1300	<	final SubtractFunction r = new SubtractFunction();
1301	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1298	>	FailingSupplier r = new FailingSupplier(m);
1299	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1300	>	checkCompletedWithWrappedException(f, r.ex);
1301	>	r.assertInvoked();
1302	>	}}
1303
1304	<	assertTrue(f.cancel(mayInterruptIfRunning));
1305	<	checkIncomplete(h);
1306	<	g.complete(v1);
1304	>	@SuppressWarnings("FutureReturnValueIgnored")
1305	>	public void testSupplyAsync_rejectingExecutor() {
1306	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1307	>	try {
1308	>	CompletableFuture.supplyAsync(() -> null, e);
1309	>	shouldThrow();
1310	>	} catch (Throwable t) {
1311	>	assertSame(e.ex, t);
1312	>	}
1313
1314	<	checkCompletedWithWrappedCancellationException(h);
1315	<	checkCancelled(f);
1307	<	assertEquals(0, r.invocationCount);
1308	<	checkCompletedNormally(g, v1);
1309	<	}}
1314	>	assertEquals(1, e.count.get());
1315	>	}
1316
1317	<	public void testThenCombine_sourceCancelled2() {
1317	>	// seq completion methods
1318	>
1319	>	/**
1320	>	* thenRun result completes normally after normal completion of source
1321	>	*/
1322	>	public void testThenRun_normalCompletion() {
1323		for (ExecutionMode m : ExecutionMode.values())
1313	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1324		for (Integer v1 : new Integer[] { 1, null })
1325		{
1326		final CompletableFuture<Integer> f = new CompletableFuture<>();
1327	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1328	<	final SubtractFunction r = new SubtractFunction();
1319	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1327	>	final Noop[] rs = new Noop[6];
1328	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1329
1330	<	assertTrue(g.cancel(mayInterruptIfRunning));
1331	<	checkIncomplete(h);
1332	<	f.complete(v1);
1330	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1331	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1332	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1333	>	checkIncomplete(h0);
1334	>	checkIncomplete(h1);
1335	>	checkIncomplete(h2);
1336	>	assertTrue(f.complete(v1));
1337	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1338	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1339	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1340
1341	<	checkCompletedWithWrappedCancellationException(h);
1342	<	checkCancelled(g);
1343	<	assertEquals(0, r.invocationCount);
1341	>	checkCompletedNormally(h0, null);
1342	>	checkCompletedNormally(h1, null);
1343	>	checkCompletedNormally(h2, null);
1344	>	checkCompletedNormally(h3, null);
1345	>	checkCompletedNormally(h4, null);
1346	>	checkCompletedNormally(h5, null);
1347		checkCompletedNormally(f, v1);
1348	+	for (Noop r : rs) r.assertInvoked();
1349		}}
1350
1351	<	public void testThenCombine_sourceCancelled3() {
1351	>	/**
1352	>	* thenRun result completes exceptionally after exceptional
1353	>	* completion of source
1354	>	*/
1355	>	public void testThenRun_exceptionalCompletion() {
1356		for (ExecutionMode m : ExecutionMode.values())
1333	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1334	–	for (Integer v1 : new Integer[] { 1, null })
1357		{
1358	+	final CFException ex = new CFException();
1359		final CompletableFuture<Integer> f = new CompletableFuture<>();
1360	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1361	<	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);
1360	>	final Noop[] rs = new Noop[6];
1361	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1362
1363	<	checkCompletedWithWrappedCancellationException(h);
1364	<	checkCancelled(g);
1365	<	assertEquals(0, r.invocationCount);
1366	<	checkCompletedNormally(f, v1);
1363	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1364	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1365	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1366	>	checkIncomplete(h0);
1367	>	checkIncomplete(h1);
1368	>	checkIncomplete(h2);
1369	>	assertTrue(f.completeExceptionally(ex));
1370	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1371	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1372	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1373	>
1374	>	checkCompletedWithWrappedException(h0, ex);
1375	>	checkCompletedWithWrappedException(h1, ex);
1376	>	checkCompletedWithWrappedException(h2, ex);
1377	>	checkCompletedWithWrappedException(h3, ex);
1378	>	checkCompletedWithWrappedException(h4, ex);
1379	>	checkCompletedWithWrappedException(h5, ex);
1380	>	checkCompletedExceptionally(f, ex);
1381	>	for (Noop r : rs) r.assertNotInvoked();
1382		}}
1383
1384	<	public void testThenCombine_sourceCancelled4() {
1384	>	/**
1385	>	* thenRun result completes exceptionally if source cancelled
1386	>	*/
1387	>	public void testThenRun_sourceCancelled() {
1388		for (ExecutionMode m : ExecutionMode.values())
1389		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1353	–	for (Integer v1 : new Integer[] { 1, null })
1390		{
1391		final CompletableFuture<Integer> f = new CompletableFuture<>();
1392	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1393	<	final SubtractFunction r = new SubtractFunction();
1392	>	final Noop[] rs = new Noop[6];
1393	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1394
1395	+	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1396	+	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1397	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1398	+	checkIncomplete(h0);
1399	+	checkIncomplete(h1);
1400	+	checkIncomplete(h2);
1401		assertTrue(f.cancel(mayInterruptIfRunning));
1402	<	g.complete(v1);
1403	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1404	<
1405	<	checkCompletedWithWrappedCancellationException(h);
1402	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1403	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1404	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1405	>
1406	>	checkCompletedWithWrappedCancellationException(h0);
1407	>	checkCompletedWithWrappedCancellationException(h1);
1408	>	checkCompletedWithWrappedCancellationException(h2);
1409	>	checkCompletedWithWrappedCancellationException(h3);
1410	>	checkCompletedWithWrappedCancellationException(h4);
1411	>	checkCompletedWithWrappedCancellationException(h5);
1412		checkCancelled(f);
1413	<	assertEquals(0, r.invocationCount);
1366	<	checkCompletedNormally(g, v1);
1413	>	for (Noop r : rs) r.assertNotInvoked();
1414		}}
1415
1416		/**
1417	<	* thenAcceptBoth result completes normally after normal
1371	<	* completion of sources
1417	>	* thenRun result completes exceptionally if action does
1418		*/
1419	<	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() {
1419	>	public void testThenRun_actionFailed() {
1420		for (ExecutionMode m : ExecutionMode.values())
1421		for (Integer v1 : new Integer[] { 1, null })
1397	–	for (Integer v2 : new Integer[] { 2, null })
1422		{
1423		final CompletableFuture<Integer> f = new CompletableFuture<>();
1424	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1425	<	final SubtractAction r = new SubtractAction();
1402	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1424	>	final FailingRunnable[] rs = new FailingRunnable[6];
1425	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1426
1427	<	g.complete(v2);
1428	<	checkIncomplete(h);
1429	<	assertEquals(0, r.invocationCount);
1430	<	f.complete(v1);
1427	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1428	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1429	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1430	>	assertTrue(f.complete(v1));
1431	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1432	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1433	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1434
1435	<	checkCompletedNormally(h, null);
1436	<	assertEquals(subtract(v1, v2), r.value);
1435	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1436	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1437	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1438	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1439	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1440	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1441		checkCompletedNormally(f, v1);
1412	–	checkCompletedNormally(g, v2);
1442		}}
1443
1444	<	public void testThenAcceptBoth_normalCompletion3() {
1445	<	for (ExecutionMode m : ExecutionMode.values())
1446	<	for (Integer v1 : new Integer[] { 1, null })
1447	<	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() {
1444	>	/**
1445	>	* thenApply result completes normally after normal completion of source
1446	>	*/
1447	>	public void testThenApply_normalCompletion() {
1448		for (ExecutionMode m : ExecutionMode.values())
1449		for (Integer v1 : new Integer[] { 1, null })
1437	–	for (Integer v2 : new Integer[] { 2, null })
1450		{
1451		final CompletableFuture<Integer> f = new CompletableFuture<>();
1452	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1453	<	final SubtractAction r = new SubtractAction();
1452	>	final IncFunction[] rs = new IncFunction[4];
1453	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1454
1455	<	f.complete(v1);
1456	<	g.complete(v2);
1457	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1455	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1456	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1457	>	checkIncomplete(h0);
1458	>	checkIncomplete(h1);
1459	>	assertTrue(f.complete(v1));
1460	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1461	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1462
1463	<	checkCompletedNormally(h, null);
1464	<	assertEquals(subtract(v1, v2), r.value);
1463	>	checkCompletedNormally(h0, inc(v1));
1464	>	checkCompletedNormally(h1, inc(v1));
1465	>	checkCompletedNormally(h2, inc(v1));
1466	>	checkCompletedNormally(h3, inc(v1));
1467		checkCompletedNormally(f, v1);
1468	<	checkCompletedNormally(g, v2);
1468	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1469		}}
1470
1471		/**
1472	<	* thenAcceptBoth result completes exceptionally after exceptional
1473	<	* completion of either source
1472	>	* thenApply result completes exceptionally after exceptional
1473	>	* completion of source
1474		*/
1475	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1475	>	public void testThenApply_exceptionalCompletion() {
1476		for (ExecutionMode m : ExecutionMode.values())
1459	–	for (Integer v1 : new Integer[] { 1, null })
1477		{
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);
1478		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	–	{
1479		final CompletableFuture<Integer> f = new CompletableFuture<>();
1480	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1481	<	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);
1480	>	final IncFunction[] rs = new IncFunction[4];
1481	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1482
1483	<	checkCompletedWithWrappedCFException(h, ex);
1484	<	checkCompletedWithWrappedCFException(g, ex);
1485	<	assertEquals(0, r.invocationCount);
1486	<	checkCompletedNormally(f, v1);
1483	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1484	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1485	>	assertTrue(f.completeExceptionally(ex));
1486	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1487	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1488	>
1489	>	checkCompletedWithWrappedException(h0, ex);
1490	>	checkCompletedWithWrappedException(h1, ex);
1491	>	checkCompletedWithWrappedException(h2, ex);
1492	>	checkCompletedWithWrappedException(h3, ex);
1493	>	checkCompletedExceptionally(f, ex);
1494	>	for (IncFunction r : rs) r.assertNotInvoked();
1495		}}
1496
1497	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1497	>	/**
1498	>	* thenApply result completes exceptionally if source cancelled
1499	>	*/
1500	>	public void testThenApply_sourceCancelled() {
1501		for (ExecutionMode m : ExecutionMode.values())
1502	<	for (Integer v1 : new Integer[] { 1, null })
1502	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1503		{
1504		final CompletableFuture<Integer> f = new CompletableFuture<>();
1505	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1506	<	final SubtractAction r = new SubtractAction();
1504	<	final CFException ex = new CFException();
1505	>	final IncFunction[] rs = new IncFunction[4];
1506	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1507
1508	<	g.completeExceptionally(ex);
1509	<	f.complete(v1);
1510	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1508	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1509	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1510	>	assertTrue(f.cancel(mayInterruptIfRunning));
1511	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1512	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1513
1514	<	checkCompletedWithWrappedCFException(h, ex);
1515	<	checkCompletedWithWrappedCFException(g, ex);
1516	<	assertEquals(0, r.invocationCount);
1517	<	checkCompletedNormally(f, v1);
1514	>	checkCompletedWithWrappedCancellationException(h0);
1515	>	checkCompletedWithWrappedCancellationException(h1);
1516	>	checkCompletedWithWrappedCancellationException(h2);
1517	>	checkCompletedWithWrappedCancellationException(h3);
1518	>	checkCancelled(f);
1519	>	for (IncFunction r : rs) r.assertNotInvoked();
1520		}}
1521
1522	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1522	>	/**
1523	>	* thenApply result completes exceptionally if action does
1524	>	*/
1525	>	public void testThenApply_actionFailed() {
1526		for (ExecutionMode m : ExecutionMode.values())
1527		for (Integer v1 : new Integer[] { 1, null })
1528		{
1529		final CompletableFuture<Integer> f = new CompletableFuture<>();
1530	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1531	<	final SubtractAction r = new SubtractAction();
1523	<	final CFException ex = new CFException();
1530	>	final FailingFunction[] rs = new FailingFunction[4];
1531	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1532
1533	<	f.completeExceptionally(ex);
1534	<	g.complete(v1);
1535	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1533	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1534	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1535	>	assertTrue(f.complete(v1));
1536	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1537	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1538
1539	<	checkCompletedWithWrappedCFException(h, ex);
1540	<	checkCompletedWithWrappedCFException(f, ex);
1541	<	assertEquals(0, r.invocationCount);
1542	<	checkCompletedNormally(g, v1);
1539	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1540	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1541	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1542	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1543	>	checkCompletedNormally(f, v1);
1544		}}
1545
1546		/**
1547	<	* thenAcceptBoth result completes exceptionally if action does
1547	>	* thenAccept result completes normally after normal completion of source
1548		*/
1549	<	public void testThenAcceptBoth_actionFailed1() {
1549	>	public void testThenAccept_normalCompletion() {
1550		for (ExecutionMode m : ExecutionMode.values())
1551		for (Integer v1 : new Integer[] { 1, null })
1541	–	for (Integer v2 : new Integer[] { 2, null })
1552		{
1553		final CompletableFuture<Integer> f = new CompletableFuture<>();
1554	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1555	<	final FailingBiConsumer r = new FailingBiConsumer();
1546	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1554	>	final NoopConsumer[] rs = new NoopConsumer[4];
1555	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1556
1557	<	f.complete(v1);
1558	<	checkIncomplete(h);
1559	<	g.complete(v2);
1557	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1558	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1559	>	checkIncomplete(h0);
1560	>	checkIncomplete(h1);
1561	>	assertTrue(f.complete(v1));
1562	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1563	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1564
1565	<	checkCompletedWithWrappedCFException(h);
1565	>	checkCompletedNormally(h0, null);
1566	>	checkCompletedNormally(h1, null);
1567	>	checkCompletedNormally(h2, null);
1568	>	checkCompletedNormally(h3, null);
1569		checkCompletedNormally(f, v1);
1570	<	checkCompletedNormally(g, v2);
1570	>	for (NoopConsumer r : rs) r.assertValue(v1);
1571		}}
1572
1573	<	public void testThenAcceptBoth_actionFailed2() {
1573	>	/**
1574	>	* thenAccept result completes exceptionally after exceptional
1575	>	* completion of source
1576	>	*/
1577	>	public void testThenAccept_exceptionalCompletion() {
1578		for (ExecutionMode m : ExecutionMode.values())
1559	–	for (Integer v1 : new Integer[] { 1, null })
1560	–	for (Integer v2 : new Integer[] { 2, null })
1579		{
1580	+	final CFException ex = new CFException();
1581		final CompletableFuture<Integer> f = new CompletableFuture<>();
1582	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1583	<	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);
1582	>	final NoopConsumer[] rs = new NoopConsumer[4];
1583	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1584
1585	<	checkCompletedWithWrappedCFException(h);
1586	<	checkCompletedNormally(f, v1);
1587	<	checkCompletedNormally(g, v2);
1585	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1586	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1587	>	assertTrue(f.completeExceptionally(ex));
1588	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1589	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1590	>
1591	>	checkCompletedWithWrappedException(h0, ex);
1592	>	checkCompletedWithWrappedException(h1, ex);
1593	>	checkCompletedWithWrappedException(h2, ex);
1594	>	checkCompletedWithWrappedException(h3, ex);
1595	>	checkCompletedExceptionally(f, ex);
1596	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1597		}}
1598
1599		/**
1600	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1600	>	* thenAccept result completes exceptionally if source cancelled
1601		*/
1602	<	public void testThenAcceptBoth_sourceCancelled1() {
1602	>	public void testThenAccept_sourceCancelled() {
1603		for (ExecutionMode m : ExecutionMode.values())
1604		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1582	–	for (Integer v1 : new Integer[] { 1, null })
1605		{
1606		final CompletableFuture<Integer> f = new CompletableFuture<>();
1607	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1608	<	final SubtractAction r = new SubtractAction();
1587	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1607	>	final NoopConsumer[] rs = new NoopConsumer[4];
1608	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1609
1610	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1611	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1612		assertTrue(f.cancel(mayInterruptIfRunning));
1613	<	checkIncomplete(h);
1614	<	g.complete(v1);
1613	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1614	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1615
1616	<	checkCompletedWithWrappedCancellationException(h);
1616	>	checkCompletedWithWrappedCancellationException(h0);
1617	>	checkCompletedWithWrappedCancellationException(h1);
1618	>	checkCompletedWithWrappedCancellationException(h2);
1619	>	checkCompletedWithWrappedCancellationException(h3);
1620		checkCancelled(f);
1621	<	assertEquals(0, r.invocationCount);
1596	<	checkCompletedNormally(g, v1);
1621	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1622		}}
1623
1624	<	public void testThenAcceptBoth_sourceCancelled2() {
1624	>	/**
1625	>	* thenAccept result completes exceptionally if action does
1626	>	*/
1627	>	public void testThenAccept_actionFailed() {
1628		for (ExecutionMode m : ExecutionMode.values())
1601	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1629		for (Integer v1 : new Integer[] { 1, null })
1630		{
1631		final CompletableFuture<Integer> f = new CompletableFuture<>();
1632	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1633	<	final SubtractAction r = new SubtractAction();
1607	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1632	>	final FailingConsumer[] rs = new FailingConsumer[4];
1633	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1634
1635	<	assertTrue(g.cancel(mayInterruptIfRunning));
1636	<	checkIncomplete(h);
1637	<	f.complete(v1);
1635	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1636	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1637	>	assertTrue(f.complete(v1));
1638	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1639	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1640
1641	<	checkCompletedWithWrappedCancellationException(h);
1642	<	checkCancelled(g);
1643	<	assertEquals(0, r.invocationCount);
1641	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1642	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1643	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1644	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1645		checkCompletedNormally(f, v1);
1646		}}
1647
1648	<	public void testThenAcceptBoth_sourceCancelled3() {
1648	>	/**
1649	>	* thenCombine result completes normally after normal completion
1650	>	* of sources
1651	>	*/
1652	>	public void testThenCombine_normalCompletion() {
1653		for (ExecutionMode m : ExecutionMode.values())
1654	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1654	>	for (boolean fFirst : new boolean[] { true, false })
1655		for (Integer v1 : new Integer[] { 1, null })
1656	+	for (Integer v2 : new Integer[] { 2, null })
1657		{
1658		final CompletableFuture<Integer> f = new CompletableFuture<>();
1659		final CompletableFuture<Integer> g = new CompletableFuture<>();
1660	<	final SubtractAction r = new SubtractAction();
1660	>	final SubtractFunction[] rs = new SubtractFunction[6];
1661	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1662
1663	<	assertTrue(g.cancel(mayInterruptIfRunning));
1664	<	f.complete(v1);
1665	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1663	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1664	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1665	>	final Integer w1 =  fFirst ? v1 : v2;
1666	>	final Integer w2 = !fFirst ? v1 : v2;
1667	>
1668	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1669	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1670	>	assertTrue(fst.complete(w1));
1671	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1672	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1673	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1674	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1675	>	checkCompletedNormally(h1, subtract(w1, w1));
1676	>	checkCompletedNormally(h3, subtract(w1, w1));
1677	>	rs[1].assertValue(subtract(w1, w1));
1678	>	rs[3].assertValue(subtract(w1, w1));
1679	>	assertTrue(snd.complete(w2));
1680	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1681	>
1682	>	checkCompletedNormally(h0, subtract(v1, v2));
1683	>	checkCompletedNormally(h2, subtract(v1, v2));
1684	>	checkCompletedNormally(h4, subtract(v1, v2));
1685	>	rs[0].assertValue(subtract(v1, v2));
1686	>	rs[2].assertValue(subtract(v1, v2));
1687	>	rs[4].assertValue(subtract(v1, v2));
1688
1632	–	checkCompletedWithWrappedCancellationException(h);
1633	–	checkCancelled(g);
1634	–	assertEquals(0, r.invocationCount);
1689		checkCompletedNormally(f, v1);
1690	<	}}
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);
1690	>	checkCompletedNormally(g, v2);
1691		}}
1692
1693		/**
1694	<	* runAfterBoth result completes normally after normal
1695	<	* completion of sources
1694	>	* thenCombine result completes exceptionally after exceptional
1695	>	* completion of either source
1696		*/
1697	<	public void testRunAfterBoth_normalCompletion1() {
1697	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1698		for (ExecutionMode m : ExecutionMode.values())
1699	+	for (boolean fFirst : new boolean[] { true, false })
1700	+	for (boolean failFirst : new boolean[] { true, false })
1701		for (Integer v1 : new Integer[] { 1, null })
1664	–	for (Integer v2 : new Integer[] { 2, null })
1702		{
1703		final CompletableFuture<Integer> f = new CompletableFuture<>();
1704		final CompletableFuture<Integer> g = new CompletableFuture<>();
1705	<	final Noop r = new Noop();
1706	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1707	<
1708	<	f.complete(v1);
1709	<	checkIncomplete(h);
1710	<	assertEquals(0, r.invocationCount);
1711	<	g.complete(v2);
1712	<
1713	<	checkCompletedNormally(h, null);
1714	<	assertEquals(1, r.invocationCount);
1715	<	checkCompletedNormally(f, v1);
1716	<	checkCompletedNormally(g, v2);
1705	>	final CFException ex = new CFException();
1706	>	final SubtractFunction r1 = new SubtractFunction(m);
1707	>	final SubtractFunction r2 = new SubtractFunction(m);
1708	>	final SubtractFunction r3 = new SubtractFunction(m);
1709	>
1710	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1711	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1712	>	final Callable<Boolean> complete1 = failFirst ?
1713	>	() -> fst.completeExceptionally(ex) :
1714	>	() -> fst.complete(v1);
1715	>	final Callable<Boolean> complete2 = failFirst ?
1716	>	() -> snd.complete(v1) :
1717	>	() -> snd.completeExceptionally(ex);
1718	>
1719	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1720	>	assertTrue(complete1.call());
1721	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1722	>	checkIncomplete(h1);
1723	>	checkIncomplete(h2);
1724	>	assertTrue(complete2.call());
1725	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1726	>
1727	>	checkCompletedWithWrappedException(h1, ex);
1728	>	checkCompletedWithWrappedException(h2, ex);
1729	>	checkCompletedWithWrappedException(h3, ex);
1730	>	r1.assertNotInvoked();
1731	>	r2.assertNotInvoked();
1732	>	r3.assertNotInvoked();
1733	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1734	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1735		}}
1736
1737	<	public void testRunAfterBoth_normalCompletion2() {
1737	>	/**
1738	>	* thenCombine result completes exceptionally if either source cancelled
1739	>	*/
1740	>	public void testThenCombine_sourceCancelled() throws Throwable {
1741		for (ExecutionMode m : ExecutionMode.values())
1742	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1743	+	for (boolean fFirst : new boolean[] { true, false })
1744	+	for (boolean failFirst : new boolean[] { true, false })
1745		for (Integer v1 : new Integer[] { 1, null })
1685	–	for (Integer v2 : new Integer[] { 2, null })
1746		{
1747		final CompletableFuture<Integer> f = new CompletableFuture<>();
1748		final CompletableFuture<Integer> g = new CompletableFuture<>();
1749	<	final Noop r = new Noop();
1750	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1751	<
1752	<	g.complete(v2);
1753	<	checkIncomplete(h);
1754	<	assertEquals(0, r.invocationCount);
1755	<	f.complete(v1);
1756	<
1757	<	checkCompletedNormally(h, null);
1758	<	assertEquals(1, r.invocationCount);
1759	<	checkCompletedNormally(f, v1);
1760	<	checkCompletedNormally(g, v2);
1749	>	final SubtractFunction r1 = new SubtractFunction(m);
1750	>	final SubtractFunction r2 = new SubtractFunction(m);
1751	>	final SubtractFunction r3 = new SubtractFunction(m);
1752	>
1753	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1754	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1755	>	final Callable<Boolean> complete1 = failFirst ?
1756	>	() -> fst.cancel(mayInterruptIfRunning) :
1757	>	() -> fst.complete(v1);
1758	>	final Callable<Boolean> complete2 = failFirst ?
1759	>	() -> snd.complete(v1) :
1760	>	() -> snd.cancel(mayInterruptIfRunning);
1761	>
1762	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1763	>	assertTrue(complete1.call());
1764	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1765	>	checkIncomplete(h1);
1766	>	checkIncomplete(h2);
1767	>	assertTrue(complete2.call());
1768	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1769	>
1770	>	checkCompletedWithWrappedCancellationException(h1);
1771	>	checkCompletedWithWrappedCancellationException(h2);
1772	>	checkCompletedWithWrappedCancellationException(h3);
1773	>	r1.assertNotInvoked();
1774	>	r2.assertNotInvoked();
1775	>	r3.assertNotInvoked();
1776	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1777	>	checkCancelled(failFirst ? fst : snd);
1778		}}
1779
1780	<	public void testRunAfterBoth_normalCompletion3() {
1780	>	/**
1781	>	* thenCombine result completes exceptionally if action does
1782	>	*/
1783	>	public void testThenCombine_actionFailed() {
1784		for (ExecutionMode m : ExecutionMode.values())
1785	+	for (boolean fFirst : new boolean[] { true, false })
1786		for (Integer v1 : new Integer[] { 1, null })
1787		for (Integer v2 : new Integer[] { 2, null })
1788		{
1789		final CompletableFuture<Integer> f = new CompletableFuture<>();
1790		final CompletableFuture<Integer> g = new CompletableFuture<>();
1791	<	final Noop r = new Noop();
1792	<
1793	<	g.complete(v2);
1794	<	f.complete(v1);
1795	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1796	<
1797	<	checkCompletedNormally(h, null);
1798	<	assertEquals(1, r.invocationCount);
1791	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1792	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1793	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1794	>
1795	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1796	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1797	>	final Integer w1 =  fFirst ? v1 : v2;
1798	>	final Integer w2 = !fFirst ? v1 : v2;
1799	>
1800	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1801	>	assertTrue(fst.complete(w1));
1802	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1803	>	assertTrue(snd.complete(w2));
1804	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1805	>
1806	>	checkCompletedWithWrappedException(h1, r1.ex);
1807	>	checkCompletedWithWrappedException(h2, r2.ex);
1808	>	checkCompletedWithWrappedException(h3, r3.ex);
1809	>	r1.assertInvoked();
1810	>	r2.assertInvoked();
1811	>	r3.assertInvoked();
1812		checkCompletedNormally(f, v1);
1813		checkCompletedNormally(g, v2);
1814		}}
1815
1816	<	public void testRunAfterBoth_normalCompletion4() {
1816	>	/**
1817	>	* thenAcceptBoth result completes normally after normal
1818	>	* completion of sources
1819	>	*/
1820	>	public void testThenAcceptBoth_normalCompletion() {
1821		for (ExecutionMode m : ExecutionMode.values())
1822	+	for (boolean fFirst : new boolean[] { true, false })
1823		for (Integer v1 : new Integer[] { 1, null })
1824		for (Integer v2 : new Integer[] { 2, null })
1825		{
1826		final CompletableFuture<Integer> f = new CompletableFuture<>();
1827		final CompletableFuture<Integer> g = new CompletableFuture<>();
1828	<	final Noop r = new Noop();
1829	<
1830	<	f.complete(v1);
1831	<	g.complete(v2);
1832	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1833	<
1834	<	checkCompletedNormally(h, null);
1835	<	assertEquals(1, r.invocationCount);
1828	>	final SubtractAction r1 = new SubtractAction(m);
1829	>	final SubtractAction r2 = new SubtractAction(m);
1830	>	final SubtractAction r3 = new SubtractAction(m);
1831	>
1832	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1833	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1834	>	final Integer w1 =  fFirst ? v1 : v2;
1835	>	final Integer w2 = !fFirst ? v1 : v2;
1836	>
1837	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1838	>	assertTrue(fst.complete(w1));
1839	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1840	>	checkIncomplete(h1);
1841	>	checkIncomplete(h2);
1842	>	r1.assertNotInvoked();
1843	>	r2.assertNotInvoked();
1844	>	assertTrue(snd.complete(w2));
1845	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1846	>
1847	>	checkCompletedNormally(h1, null);
1848	>	checkCompletedNormally(h2, null);
1849	>	checkCompletedNormally(h3, null);
1850	>	r1.assertValue(subtract(v1, v2));
1851	>	r2.assertValue(subtract(v1, v2));
1852	>	r3.assertValue(subtract(v1, v2));
1853		checkCompletedNormally(f, v1);
1854		checkCompletedNormally(g, v2);
1855		}}
1856
1857		/**
1858	<	* runAfterBoth result completes exceptionally after exceptional
1858	>	* thenAcceptBoth result completes exceptionally after exceptional
1859		* completion of either source
1860		*/
1861	<	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() {
1861	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1862		for (ExecutionMode m : ExecutionMode.values())
1863	+	for (boolean fFirst : new boolean[] { true, false })
1864	+	for (boolean failFirst : new boolean[] { true, false })
1865		for (Integer v1 : new Integer[] { 1, null })
1866		{
1867		final CompletableFuture<Integer> f = new CompletableFuture<>();
1868		final CompletableFuture<Integer> g = new CompletableFuture<>();
1791	–	final Noop r = new Noop();
1869		final CFException ex = new CFException();
1870	<
1871	<	g.completeExceptionally(ex);
1872	<	f.complete(v1);
1873	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1874	<
1875	<	checkCompletedWithWrappedCFException(h, ex);
1876	<	checkCompletedWithWrappedCFException(g, ex);
1877	<	assertEquals(0, r.invocationCount);
1878	<	checkCompletedNormally(f, v1);
1870	>	final SubtractAction r1 = new SubtractAction(m);
1871	>	final SubtractAction r2 = new SubtractAction(m);
1872	>	final SubtractAction r3 = new SubtractAction(m);
1873	>
1874	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1875	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1876	>	final Callable<Boolean> complete1 = failFirst ?
1877	>	() -> fst.completeExceptionally(ex) :
1878	>	() -> fst.complete(v1);
1879	>	final Callable<Boolean> complete2 = failFirst ?
1880	>	() -> snd.complete(v1) :
1881	>	() -> snd.completeExceptionally(ex);
1882	>
1883	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1884	>	assertTrue(complete1.call());
1885	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1886	>	checkIncomplete(h1);
1887	>	checkIncomplete(h2);
1888	>	assertTrue(complete2.call());
1889	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1890	>
1891	>	checkCompletedWithWrappedException(h1, ex);
1892	>	checkCompletedWithWrappedException(h2, ex);
1893	>	checkCompletedWithWrappedException(h3, ex);
1894	>	r1.assertNotInvoked();
1895	>	r2.assertNotInvoked();
1896	>	r3.assertNotInvoked();
1897	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1898	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1899		}}
1900
1901	<	public void testRunAfterBoth_exceptionalCompletion4() {
1901	>	/**
1902	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1903	>	*/
1904	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1905		for (ExecutionMode m : ExecutionMode.values())
1906	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1907	+	for (boolean fFirst : new boolean[] { true, false })
1908	+	for (boolean failFirst : new boolean[] { true, false })
1909		for (Integer v1 : new Integer[] { 1, null })
1910		{
1911		final CompletableFuture<Integer> f = new CompletableFuture<>();
1912		final CompletableFuture<Integer> g = new CompletableFuture<>();
1913	<	final Noop r = new Noop();
1914	<	final CFException ex = new CFException();
1915	<
1916	<	f.completeExceptionally(ex);
1917	<	g.complete(v1);
1918	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1919	<
1920	<	checkCompletedWithWrappedCFException(h, ex);
1921	<	checkCompletedWithWrappedCFException(f, ex);
1922	<	assertEquals(0, r.invocationCount);
1923	<	checkCompletedNormally(g, v1);
1913	>	final SubtractAction r1 = new SubtractAction(m);
1914	>	final SubtractAction r2 = new SubtractAction(m);
1915	>	final SubtractAction r3 = new SubtractAction(m);
1916	>
1917	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1918	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1919	>	final Callable<Boolean> complete1 = failFirst ?
1920	>	() -> fst.cancel(mayInterruptIfRunning) :
1921	>	() -> fst.complete(v1);
1922	>	final Callable<Boolean> complete2 = failFirst ?
1923	>	() -> snd.complete(v1) :
1924	>	() -> snd.cancel(mayInterruptIfRunning);
1925	>
1926	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1927	>	assertTrue(complete1.call());
1928	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1929	>	checkIncomplete(h1);
1930	>	checkIncomplete(h2);
1931	>	assertTrue(complete2.call());
1932	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1933	>
1934	>	checkCompletedWithWrappedCancellationException(h1);
1935	>	checkCompletedWithWrappedCancellationException(h2);
1936	>	checkCompletedWithWrappedCancellationException(h3);
1937	>	r1.assertNotInvoked();
1938	>	r2.assertNotInvoked();
1939	>	r3.assertNotInvoked();
1940	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1941	>	checkCancelled(failFirst ? fst : snd);
1942		}}
1943
1944		/**
1945	<	* runAfterBoth result completes exceptionally if action does
1945	>	* thenAcceptBoth result completes exceptionally if action does
1946		*/
1947	<	public void testRunAfterBoth_actionFailed1() {
1947	>	public void testThenAcceptBoth_actionFailed() {
1948		for (ExecutionMode m : ExecutionMode.values())
1949	+	for (boolean fFirst : new boolean[] { true, false })
1950		for (Integer v1 : new Integer[] { 1, null })
1951		for (Integer v2 : new Integer[] { 2, null })
1952		{
1953		final CompletableFuture<Integer> f = new CompletableFuture<>();
1954		final CompletableFuture<Integer> g = new CompletableFuture<>();
1955	<	final FailingNoop r = new FailingNoop();
1956	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1957	<
1958	<	f.complete(v1);
1959	<	checkIncomplete(h);
1960	<	g.complete(v2);
1961	<
1962	<	checkCompletedWithWrappedCFException(h);
1955	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1956	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1957	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1958	>
1959	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1960	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1961	>	final Integer w1 =  fFirst ? v1 : v2;
1962	>	final Integer w2 = !fFirst ? v1 : v2;
1963	>
1964	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1965	>	assertTrue(fst.complete(w1));
1966	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1967	>	assertTrue(snd.complete(w2));
1968	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1969	>
1970	>	checkCompletedWithWrappedException(h1, r1.ex);
1971	>	checkCompletedWithWrappedException(h2, r2.ex);
1972	>	checkCompletedWithWrappedException(h3, r3.ex);
1973	>	r1.assertInvoked();
1974	>	r2.assertInvoked();
1975	>	r3.assertInvoked();
1976		checkCompletedNormally(f, v1);
1977		checkCompletedNormally(g, v2);
1978		}}
1979
1980	<	public void testRunAfterBoth_actionFailed2() {
1980	>	/**
1981	>	* runAfterBoth result completes normally after normal
1982	>	* completion of sources
1983	>	*/
1984	>	public void testRunAfterBoth_normalCompletion() {
1985		for (ExecutionMode m : ExecutionMode.values())
1986	+	for (boolean fFirst : new boolean[] { true, false })
1987		for (Integer v1 : new Integer[] { 1, null })
1988		for (Integer v2 : new Integer[] { 2, null })
1989		{
1990		final CompletableFuture<Integer> f = new CompletableFuture<>();
1991		final CompletableFuture<Integer> g = new CompletableFuture<>();
1992	<	final FailingNoop r = new FailingNoop();
1993	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1994	<
1995	<	g.complete(v2);
1996	<	checkIncomplete(h);
1997	<	f.complete(v1);
1998	<
1999	<	checkCompletedWithWrappedCFException(h);
1992	>	final Noop r1 = new Noop(m);
1993	>	final Noop r2 = new Noop(m);
1994	>	final Noop r3 = new Noop(m);
1995	>
1996	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1997	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1998	>	final Integer w1 =  fFirst ? v1 : v2;
1999	>	final Integer w2 = !fFirst ? v1 : v2;
2000	>
2001	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2002	>	assertTrue(fst.complete(w1));
2003	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2004	>	checkIncomplete(h1);
2005	>	checkIncomplete(h2);
2006	>	r1.assertNotInvoked();
2007	>	r2.assertNotInvoked();
2008	>	assertTrue(snd.complete(w2));
2009	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2010	>
2011	>	checkCompletedNormally(h1, null);
2012	>	checkCompletedNormally(h2, null);
2013	>	checkCompletedNormally(h3, null);
2014	>	r1.assertInvoked();
2015	>	r2.assertInvoked();
2016	>	r3.assertInvoked();
2017		checkCompletedNormally(f, v1);
2018		checkCompletedNormally(g, v2);
2019		}}
2020
2021		/**
2022	<	* runAfterBoth result completes exceptionally if either source cancelled
2022	>	* runAfterBoth result completes exceptionally after exceptional
2023	>	* completion of either source
2024		*/
2025	<	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() {
2025	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2026		for (ExecutionMode m : ExecutionMode.values())
2027	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2027	>	for (boolean fFirst : new boolean[] { true, false })
2028	>	for (boolean failFirst : new boolean[] { true, false })
2029		for (Integer v1 : new Integer[] { 1, null })
2030		{
2031		final CompletableFuture<Integer> f = new CompletableFuture<>();
2032		final CompletableFuture<Integer> g = new CompletableFuture<>();
2033	<	final Noop r = new Noop();
2034	<
2035	<	assertTrue(g.cancel(mayInterruptIfRunning));
2036	<	f.complete(v1);
2037	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2038	<
2039	<	checkCompletedWithWrappedCancellationException(h);
2040	<	checkCancelled(g);
2041	<	assertEquals(0, r.invocationCount);
2042	<	checkCompletedNormally(f, v1);
2033	>	final CFException ex = new CFException();
2034	>	final Noop r1 = new Noop(m);
2035	>	final Noop r2 = new Noop(m);
2036	>	final Noop r3 = new Noop(m);
2037	>
2038	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2039	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2040	>	final Callable<Boolean> complete1 = failFirst ?
2041	>	() -> fst.completeExceptionally(ex) :
2042	>	() -> fst.complete(v1);
2043	>	final Callable<Boolean> complete2 = failFirst ?
2044	>	() -> snd.complete(v1) :
2045	>	() -> snd.completeExceptionally(ex);
2046	>
2047	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2048	>	assertTrue(complete1.call());
2049	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2050	>	checkIncomplete(h1);
2051	>	checkIncomplete(h2);
2052	>	assertTrue(complete2.call());
2053	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2054	>
2055	>	checkCompletedWithWrappedException(h1, ex);
2056	>	checkCompletedWithWrappedException(h2, ex);
2057	>	checkCompletedWithWrappedException(h3, ex);
2058	>	r1.assertNotInvoked();
2059	>	r2.assertNotInvoked();
2060	>	r3.assertNotInvoked();
2061	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2062	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2063		}}
2064
2065	<	public void testRunAfterBoth_sourceCancelled4() {
2065	>	/**
2066	>	* runAfterBoth result completes exceptionally if either source cancelled
2067	>	*/
2068	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2069		for (ExecutionMode m : ExecutionMode.values())
2070		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2071	+	for (boolean fFirst : new boolean[] { true, false })
2072	+	for (boolean failFirst : new boolean[] { true, false })
2073		for (Integer v1 : new Integer[] { 1, null })
2074		{
2075		final CompletableFuture<Integer> f = new CompletableFuture<>();
2076		final CompletableFuture<Integer> g = new CompletableFuture<>();
2077	<	final Noop r = new Noop();
2078	<
2079	<	assertTrue(f.cancel(mayInterruptIfRunning));
2080	<	g.complete(v1);
2081	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2082	<
2083	<	checkCompletedWithWrappedCancellationException(h);
2084	<	checkCancelled(f);
2085	<	assertEquals(0, r.invocationCount);
2086	<	checkCompletedNormally(g, v1);
2077	>	final Noop r1 = new Noop(m);
2078	>	final Noop r2 = new Noop(m);
2079	>	final Noop r3 = new Noop(m);
2080	>
2081	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2082	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2083	>	final Callable<Boolean> complete1 = failFirst ?
2084	>	() -> fst.cancel(mayInterruptIfRunning) :
2085	>	() -> fst.complete(v1);
2086	>	final Callable<Boolean> complete2 = failFirst ?
2087	>	() -> snd.complete(v1) :
2088	>	() -> snd.cancel(mayInterruptIfRunning);
2089	>
2090	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2091	>	assertTrue(complete1.call());
2092	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2093	>	checkIncomplete(h1);
2094	>	checkIncomplete(h2);
2095	>	assertTrue(complete2.call());
2096	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2097	>
2098	>	checkCompletedWithWrappedCancellationException(h1);
2099	>	checkCompletedWithWrappedCancellationException(h2);
2100	>	checkCompletedWithWrappedCancellationException(h3);
2101	>	r1.assertNotInvoked();
2102	>	r2.assertNotInvoked();
2103	>	r3.assertNotInvoked();
2104	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2105	>	checkCancelled(failFirst ? fst : snd);
2106		}}
2107
2108		/**
2109	<	* applyToEither result completes normally after normal completion
1947	<	* of either source
2109	>	* runAfterBoth result completes exceptionally if action does
2110		*/
2111	<	public void testApplyToEither_normalCompletion1() {
2111	>	public void testRunAfterBoth_actionFailed() {
2112		for (ExecutionMode m : ExecutionMode.values())
2113	+	for (boolean fFirst : new boolean[] { true, false })
2114		for (Integer v1 : new Integer[] { 1, null })
2115		for (Integer v2 : new Integer[] { 2, null })
2116		{
2117		final CompletableFuture<Integer> f = new CompletableFuture<>();
2118		final CompletableFuture<Integer> g = new CompletableFuture<>();
2119	<	final IncFunction r = new IncFunction();
2120	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2121	<
2122	<	f.complete(v1);
2123	<	checkCompletedNormally(h, inc(v1));
2124	<	g.complete(v2);
2125	<
2119	>	final FailingRunnable r1 = new FailingRunnable(m);
2120	>	final FailingRunnable r2 = new FailingRunnable(m);
2121	>	final FailingRunnable r3 = new FailingRunnable(m);
2122	>
2123	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2124	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2125	>	final Integer w1 =  fFirst ? v1 : v2;
2126	>	final Integer w2 = !fFirst ? v1 : v2;
2127	>
2128	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2129	>	assertTrue(fst.complete(w1));
2130	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2131	>	assertTrue(snd.complete(w2));
2132	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2133	>
2134	>	checkCompletedWithWrappedException(h1, r1.ex);
2135	>	checkCompletedWithWrappedException(h2, r2.ex);
2136	>	checkCompletedWithWrappedException(h3, r3.ex);
2137	>	r1.assertInvoked();
2138	>	r2.assertInvoked();
2139	>	r3.assertInvoked();
2140		checkCompletedNormally(f, v1);
2141		checkCompletedNormally(g, v2);
1965	–	checkCompletedNormally(h, inc(v1));
2142		}}
2143
2144	<	public void testApplyToEither_normalCompletion2() {
2144	>	/**
2145	>	* applyToEither result completes normally after normal completion
2146	>	* of either source
2147	>	*/
2148	>	public void testApplyToEither_normalCompletion() {
2149		for (ExecutionMode m : ExecutionMode.values())
2150		for (Integer v1 : new Integer[] { 1, null })
2151		for (Integer v2 : new Integer[] { 2, null })
2152		{
2153		final CompletableFuture<Integer> f = new CompletableFuture<>();
2154		final CompletableFuture<Integer> g = new CompletableFuture<>();
2155	<	final IncFunction r = new IncFunction();
2156	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2155	>	final IncFunction[] rs = new IncFunction[6];
2156	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2157
2158	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2159	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2160	+	checkIncomplete(h0);
2161	+	checkIncomplete(h1);
2162	+	rs[0].assertNotInvoked();
2163	+	rs[1].assertNotInvoked();
2164	+	f.complete(v1);
2165	+	checkCompletedNormally(h0, inc(v1));
2166	+	checkCompletedNormally(h1, inc(v1));
2167	+	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2168	+	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2169	+	checkCompletedNormally(h2, inc(v1));
2170	+	checkCompletedNormally(h3, inc(v1));
2171		g.complete(v2);
1979	–	checkCompletedNormally(h, inc(v2));
1980	–	f.complete(v1);
2172
2173	<	checkCompletedNormally(f, v1);
2174	<	checkCompletedNormally(g, v2);
2175	<	checkCompletedNormally(h, inc(v2));
2176	<	}}
2177	<
2178	<	public void testApplyToEither_normalCompletion3() {
2179	<	for (ExecutionMode m : ExecutionMode.values())
2180	<	for (Integer v1 : new Integer[] { 1, null })
2181	<	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);
2173	>	// unspecified behavior - both source completions available
2174	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2175	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2176	>	rs[4].assertValue(h4.join());
2177	>	rs[5].assertValue(h5.join());
2178	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2179	>	Objects.equals(inc(v2), h4.join()));
2180	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2181	>	Objects.equals(inc(v2), h5.join()));
2182
2183		checkCompletedNormally(f, v1);
2184		checkCompletedNormally(g, v2);
2185	<
2186	<	// unspecified behavior
2187	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2188	<	Objects.equals(h.join(), inc(v2)));
2189	<	assertEquals(1, r.invocationCount);
2185	>	checkCompletedNormally(h0, inc(v1));
2186	>	checkCompletedNormally(h1, inc(v1));
2187	>	checkCompletedNormally(h2, inc(v1));
2188	>	checkCompletedNormally(h3, inc(v1));
2189	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2190		}}
2191
2192		/**
2193		* applyToEither result completes exceptionally after exceptional
2194		* completion of either source
2195		*/
2196	<	public void testApplyToEither_exceptionalCompletion1() {
2196	>	public void testApplyToEither_exceptionalCompletion() {
2197		for (ExecutionMode m : ExecutionMode.values())
2198		for (Integer v1 : new Integer[] { 1, null })
2199		{
2200		final CompletableFuture<Integer> f = new CompletableFuture<>();
2201		final CompletableFuture<Integer> g = new CompletableFuture<>();
2019	–	final IncFunction r = new IncFunction();
2020	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2202		final CFException ex = new CFException();
2203	+	final IncFunction[] rs = new IncFunction[6];
2204	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2205
2206	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2207	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2208	+	checkIncomplete(h0);
2209	+	checkIncomplete(h1);
2210	+	rs[0].assertNotInvoked();
2211	+	rs[1].assertNotInvoked();
2212		f.completeExceptionally(ex);
2213	<	checkCompletedWithWrappedCFException(h, ex);
2213	>	checkCompletedWithWrappedException(h0, ex);
2214	>	checkCompletedWithWrappedException(h1, ex);
2215	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2216	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2217	>	checkCompletedWithWrappedException(h2, ex);
2218	>	checkCompletedWithWrappedException(h3, ex);
2219		g.complete(v1);
2220
2221	<	assertEquals(0, r.invocationCount);
2221	>	// unspecified behavior - both source completions available
2222	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2223	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2224	>	try {
2225	>	assertEquals(inc(v1), h4.join());
2226	>	rs[4].assertValue(inc(v1));
2227	>	} catch (CompletionException ok) {
2228	>	checkCompletedWithWrappedException(h4, ex);
2229	>	rs[4].assertNotInvoked();
2230	>	}
2231	>	try {
2232	>	assertEquals(inc(v1), h5.join());
2233	>	rs[5].assertValue(inc(v1));
2234	>	} catch (CompletionException ok) {
2235	>	checkCompletedWithWrappedException(h5, ex);
2236	>	rs[5].assertNotInvoked();
2237	>	}
2238	>
2239	>	checkCompletedExceptionally(f, ex);
2240		checkCompletedNormally(g, v1);
2241	<	checkCompletedWithWrappedCFException(f, ex);
2242	<	checkCompletedWithWrappedCFException(h, ex);
2241	>	checkCompletedWithWrappedException(h0, ex);
2242	>	checkCompletedWithWrappedException(h1, ex);
2243	>	checkCompletedWithWrappedException(h2, ex);
2244	>	checkCompletedWithWrappedException(h3, ex);
2245	>	checkCompletedWithWrappedException(h4, ex);
2246	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2247		}}
2248
2249		public void testApplyToEither_exceptionalCompletion2() {
2250		for (ExecutionMode m : ExecutionMode.values())
2251	+	for (boolean fFirst : new boolean[] { true, false })
2252		for (Integer v1 : new Integer[] { 1, null })
2253		{
2254		final CompletableFuture<Integer> f = new CompletableFuture<>();
2255		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();
2256		final CFException ex = new CFException();
2257	+	final IncFunction[] rs = new IncFunction[6];
2258	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2259
2260	<	g.completeExceptionally(ex);
2261	<	f.complete(v1);
2262	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2260	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2261	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2262	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2263	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2264	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2265	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2266
2267	<	// unspecified behavior
2067	<	Integer v;
2267	>	// unspecified behavior - both source completions available
2268		try {
2269	<	assertEquals(inc(v1), h.join());
2270	<	assertEquals(1, r.invocationCount);
2269	>	assertEquals(inc(v1), h0.join());
2270	>	rs[0].assertValue(inc(v1));
2271		} catch (CompletionException ok) {
2272	<	checkCompletedWithWrappedCFException(h, ex);
2273	<	assertEquals(0, r.invocationCount);
2272	>	checkCompletedWithWrappedException(h0, ex);
2273	>	rs[0].assertNotInvoked();
2274		}
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;
2275		try {
2276	<	assertEquals(inc(v1), h.join());
2277	<	assertEquals(1, r.invocationCount);
2276	>	assertEquals(inc(v1), h1.join());
2277	>	rs[1].assertValue(inc(v1));
2278		} catch (CompletionException ok) {
2279	<	checkCompletedWithWrappedCFException(h, ex);
2280	<	assertEquals(0, r.invocationCount);
2279	>	checkCompletedWithWrappedException(h1, ex);
2280	>	rs[1].assertNotInvoked();
2281	>	}
2282	>	try {
2283	>	assertEquals(inc(v1), h2.join());
2284	>	rs[2].assertValue(inc(v1));
2285	>	} catch (CompletionException ok) {
2286	>	checkCompletedWithWrappedException(h2, ex);
2287	>	rs[2].assertNotInvoked();
2288	>	}
2289	>	try {
2290	>	assertEquals(inc(v1), h3.join());
2291	>	rs[3].assertValue(inc(v1));
2292	>	} catch (CompletionException ok) {
2293	>	checkCompletedWithWrappedException(h3, ex);
2294	>	rs[3].assertNotInvoked();
2295		}
2296
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);
2297		checkCompletedNormally(f, v1);
2298	<	checkCompletedNormally(g, v2);
2298	>	checkCompletedExceptionally(g, ex);
2299		}}
2300
2301		/**
2302		* applyToEither result completes exceptionally if either source cancelled
2303		*/
2304	<	public void testApplyToEither_sourceCancelled1() {
2304	>	public void testApplyToEither_sourceCancelled() {
2305		for (ExecutionMode m : ExecutionMode.values())
2306		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2307		for (Integer v1 : new Integer[] { 1, null })
2308		{
2309		final CompletableFuture<Integer> f = new CompletableFuture<>();
2310		final CompletableFuture<Integer> g = new CompletableFuture<>();
2311	<	final IncFunction r = new IncFunction();
2312	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2311	>	final IncFunction[] rs = new IncFunction[6];
2312	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2313
2314	<	assertTrue(f.cancel(mayInterruptIfRunning));
2315	<	checkCompletedWithWrappedCancellationException(h);
2314	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2315	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2316	>	checkIncomplete(h0);
2317	>	checkIncomplete(h1);
2318	>	rs[0].assertNotInvoked();
2319	>	rs[1].assertNotInvoked();
2320	>	f.cancel(mayInterruptIfRunning);
2321	>	checkCompletedWithWrappedCancellationException(h0);
2322	>	checkCompletedWithWrappedCancellationException(h1);
2323	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2324	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2325	>	checkCompletedWithWrappedCancellationException(h2);
2326	>	checkCompletedWithWrappedCancellationException(h3);
2327		g.complete(v1);
2328
2329	+	// unspecified behavior - both source completions available
2330	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2331	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2332	+	try {
2333	+	assertEquals(inc(v1), h4.join());
2334	+	rs[4].assertValue(inc(v1));
2335	+	} catch (CompletionException ok) {
2336	+	checkCompletedWithWrappedCancellationException(h4);
2337	+	rs[4].assertNotInvoked();
2338	+	}
2339	+	try {
2340	+	assertEquals(inc(v1), h5.join());
2341	+	rs[5].assertValue(inc(v1));
2342	+	} catch (CompletionException ok) {
2343	+	checkCompletedWithWrappedCancellationException(h5);
2344	+	rs[5].assertNotInvoked();
2345	+	}
2346	+
2347		checkCancelled(f);
2162	–	assertEquals(0, r.invocationCount);
2348		checkCompletedNormally(g, v1);
2349	<	checkCompletedWithWrappedCancellationException(h);
2349	>	checkCompletedWithWrappedCancellationException(h0);
2350	>	checkCompletedWithWrappedCancellationException(h1);
2351	>	checkCompletedWithWrappedCancellationException(h2);
2352	>	checkCompletedWithWrappedCancellationException(h3);
2353	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2354		}}
2355
2356		public void testApplyToEither_sourceCancelled2() {
2357		for (ExecutionMode m : ExecutionMode.values())
2358		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2359	+	for (boolean fFirst : new boolean[] { true, false })
2360		for (Integer v1 : new Integer[] { 1, null })
2361		{
2362		final CompletableFuture<Integer> f = new CompletableFuture<>();
2363		final CompletableFuture<Integer> g = new CompletableFuture<>();
2364	<	final IncFunction r = new IncFunction();
2365	<	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();
2364	>	final IncFunction[] rs = new IncFunction[6];
2365	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2366
2367	<	assertTrue(g.cancel(mayInterruptIfRunning));
2368	<	f.complete(v1);
2369	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2367	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2368	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2369	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2370	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2371	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2372	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2373
2374	<	// unspecified behavior
2201	<	Integer v;
2374	>	// unspecified behavior - both source completions available
2375		try {
2376	<	assertEquals(inc(v1), h.join());
2377	<	assertEquals(1, r.invocationCount);
2376	>	assertEquals(inc(v1), h0.join());
2377	>	rs[0].assertValue(inc(v1));
2378		} catch (CompletionException ok) {
2379	<	checkCompletedWithWrappedCancellationException(h);
2380	<	assertEquals(0, r.invocationCount);
2379	>	checkCompletedWithWrappedCancellationException(h0);
2380	>	rs[0].assertNotInvoked();
2381	>	}
2382	>	try {
2383	>	assertEquals(inc(v1), h1.join());
2384	>	rs[1].assertValue(inc(v1));
2385	>	} catch (CompletionException ok) {
2386	>	checkCompletedWithWrappedCancellationException(h1);
2387	>	rs[1].assertNotInvoked();
2388		}
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;
2389		try {
2390	<	assertEquals(inc(v1), h.join());
2391	<	assertEquals(1, r.invocationCount);
2390	>	assertEquals(inc(v1), h2.join());
2391	>	rs[2].assertValue(inc(v1));
2392		} catch (CompletionException ok) {
2393	<	checkCompletedWithWrappedCancellationException(h);
2394	<	assertEquals(0, r.invocationCount);
2393	>	checkCompletedWithWrappedCancellationException(h2);
2394	>	rs[2].assertNotInvoked();
2395	>	}
2396	>	try {
2397	>	assertEquals(inc(v1), h3.join());
2398	>	rs[3].assertValue(inc(v1));
2399	>	} catch (CompletionException ok) {
2400	>	checkCompletedWithWrappedCancellationException(h3);
2401	>	rs[3].assertNotInvoked();
2402		}
2403
2404	<	checkCancelled(f);
2405	<	checkCompletedNormally(g, v1);
2404	>	checkCompletedNormally(f, v1);
2405	>	checkCancelled(g);
2406		}}
2407
2408		/**
2409	<	* acceptEither result completes normally after normal completion
2243	<	* of either source
2409	>	* applyToEither result completes exceptionally if action does
2410		*/
2411	<	public void testAcceptEither_normalCompletion1() {
2411	>	public void testApplyToEither_actionFailed() {
2412		for (ExecutionMode m : ExecutionMode.values())
2413		for (Integer v1 : new Integer[] { 1, null })
2414		for (Integer v2 : new Integer[] { 2, null })
2415		{
2416		final CompletableFuture<Integer> f = new CompletableFuture<>();
2417		final CompletableFuture<Integer> g = new CompletableFuture<>();
2418	<	final IncAction r = new IncAction();
2419	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2418	>	final FailingFunction[] rs = new FailingFunction[6];
2419	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2420
2421	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2422	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2423		f.complete(v1);
2424	<	checkCompletedNormally(h, null);
2425	<	assertEquals(inc(v1), r.value);
2426	<	g.complete(v2);
2427	<
2428	<	checkCompletedNormally(f, v1);
2429	<	checkCompletedNormally(g, v2);
2430	<	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);
2424	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2425	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2426	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2427	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2428	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2429	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2430	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2431
2432		g.complete(v2);
2433	<	checkCompletedNormally(h, null);
2434	<	assertEquals(inc(v2), r.value);
2435	<	f.complete(v1);
2433	>
2434	>	// unspecified behavior - both source completions available
2435	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2436	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2437	>
2438	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2439	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2440	>	Objects.equals(v2, rs[4].value));
2441	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2442	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2443	>	Objects.equals(v2, rs[5].value));
2444
2445		checkCompletedNormally(f, v1);
2446		checkCompletedNormally(g, v2);
2282	–	checkCompletedNormally(h, null);
2447		}}
2448
2449	<	public void testAcceptEither_normalCompletion3() {
2449	>	/**
2450	>	* acceptEither result completes normally after normal completion
2451	>	* of either source
2452	>	*/
2453	>	public void testAcceptEither_normalCompletion() {
2454		for (ExecutionMode m : ExecutionMode.values())
2455		for (Integer v1 : new Integer[] { 1, null })
2456		for (Integer v2 : new Integer[] { 2, null })
2457		{
2458		final CompletableFuture<Integer> f = new CompletableFuture<>();
2459		final CompletableFuture<Integer> g = new CompletableFuture<>();
2460	<	final IncAction r = new IncAction();
2460	>	final NoopConsumer[] rs = new NoopConsumer[6];
2461	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2462
2463	<	f.complete(v1);
2463	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2464	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2465	>	checkIncomplete(h0);
2466	>	checkIncomplete(h1);
2467	>	rs[0].assertNotInvoked();
2468	>	rs[1].assertNotInvoked();
2469	>	f.complete(v1);
2470	>	checkCompletedNormally(h0, null);
2471	>	checkCompletedNormally(h1, null);
2472	>	rs[0].assertValue(v1);
2473	>	rs[1].assertValue(v1);
2474	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2475	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2476	>	checkCompletedNormally(h2, null);
2477	>	checkCompletedNormally(h3, null);
2478	>	rs[2].assertValue(v1);
2479	>	rs[3].assertValue(v1);
2480		g.complete(v2);
2296	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2481
2482	<	checkCompletedNormally(h, null);
2482	>	// unspecified behavior - both source completions available
2483	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2484	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2485	>	checkCompletedNormally(h4, null);
2486	>	checkCompletedNormally(h5, null);
2487	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2488	>	Objects.equals(v2, rs[4].value));
2489	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2490	>	Objects.equals(v2, rs[5].value));
2491	>
2492		checkCompletedNormally(f, v1);
2493		checkCompletedNormally(g, v2);
2494	<
2495	<	// unspecified behavior
2496	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2497	<	Objects.equals(r.value, inc(v2)));
2494	>	checkCompletedNormally(h0, null);
2495	>	checkCompletedNormally(h1, null);
2496	>	checkCompletedNormally(h2, null);
2497	>	checkCompletedNormally(h3, null);
2498	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2499		}}
2500
2501		/**
2502		* acceptEither result completes exceptionally after exceptional
2503		* completion of either source
2504		*/
2505	<	public void testAcceptEither_exceptionalCompletion1() {
2505	>	public void testAcceptEither_exceptionalCompletion() {
2506		for (ExecutionMode m : ExecutionMode.values())
2507		for (Integer v1 : new Integer[] { 1, null })
2508		{
2509		final CompletableFuture<Integer> f = new CompletableFuture<>();
2510		final CompletableFuture<Integer> g = new CompletableFuture<>();
2317	–	final IncAction r = new IncAction();
2318	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2511		final CFException ex = new CFException();
2512	+	final NoopConsumer[] rs = new NoopConsumer[6];
2513	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2514
2515	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2516	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2517	+	checkIncomplete(h0);
2518	+	checkIncomplete(h1);
2519	+	rs[0].assertNotInvoked();
2520	+	rs[1].assertNotInvoked();
2521		f.completeExceptionally(ex);
2522	<	checkCompletedWithWrappedCFException(h, ex);
2522	>	checkCompletedWithWrappedException(h0, ex);
2523	>	checkCompletedWithWrappedException(h1, ex);
2524	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2525	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2526	>	checkCompletedWithWrappedException(h2, ex);
2527	>	checkCompletedWithWrappedException(h3, ex);
2528	>
2529		g.complete(v1);
2530
2531	<	assertEquals(0, r.invocationCount);
2531	>	// unspecified behavior - both source completions available
2532	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2533	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2534	>	try {
2535	>	assertNull(h4.join());
2536	>	rs[4].assertValue(v1);
2537	>	} catch (CompletionException ok) {
2538	>	checkCompletedWithWrappedException(h4, ex);
2539	>	rs[4].assertNotInvoked();
2540	>	}
2541	>	try {
2542	>	assertNull(h5.join());
2543	>	rs[5].assertValue(v1);
2544	>	} catch (CompletionException ok) {
2545	>	checkCompletedWithWrappedException(h5, ex);
2546	>	rs[5].assertNotInvoked();
2547	>	}
2548	>
2549	>	checkCompletedExceptionally(f, ex);
2550		checkCompletedNormally(g, v1);
2551	<	checkCompletedWithWrappedCFException(f, ex);
2552	<	checkCompletedWithWrappedCFException(h, ex);
2551	>	checkCompletedWithWrappedException(h0, ex);
2552	>	checkCompletedWithWrappedException(h1, ex);
2553	>	checkCompletedWithWrappedException(h2, ex);
2554	>	checkCompletedWithWrappedException(h3, ex);
2555	>	checkCompletedWithWrappedException(h4, ex);
2556	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2557		}}
2558
2559		public void testAcceptEither_exceptionalCompletion2() {
2560		for (ExecutionMode m : ExecutionMode.values())
2561	+	for (boolean fFirst : new boolean[] { true, false })
2562		for (Integer v1 : new Integer[] { 1, null })
2563		{
2564		final CompletableFuture<Integer> f = new CompletableFuture<>();
2565		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();
2566		final CFException ex = new CFException();
2567	+	final NoopConsumer[] rs = new NoopConsumer[6];
2568	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2569
2570	<	g.completeExceptionally(ex);
2571	<	f.complete(v1);
2572	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2570	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2571	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2572	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2573	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2574	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2575	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2576
2577	<	// unspecified behavior
2365	<	Integer v;
2577	>	// unspecified behavior - both source completions available
2578		try {
2579	<	assertNull(h.join());
2580	<	assertEquals(1, r.invocationCount);
2369	<	assertEquals(inc(v1), r.value);
2579	>	assertNull(h0.join());
2580	>	rs[0].assertValue(v1);
2581		} catch (CompletionException ok) {
2582	<	checkCompletedWithWrappedCFException(h, ex);
2583	<	assertEquals(0, r.invocationCount);
2582	>	checkCompletedWithWrappedException(h0, ex);
2583	>	rs[0].assertNotInvoked();
2584		}
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;
2585		try {
2586	<	assertNull(h.join());
2587	<	assertEquals(1, r.invocationCount);
2397	<	assertEquals(inc(v1), r.value);
2586	>	assertNull(h1.join());
2587	>	rs[1].assertValue(v1);
2588		} catch (CompletionException ok) {
2589	<	checkCompletedWithWrappedCFException(h, ex);
2590	<	assertEquals(0, r.invocationCount);
2589	>	checkCompletedWithWrappedException(h1, ex);
2590	>	rs[1].assertNotInvoked();
2591	>	}
2592	>	try {
2593	>	assertNull(h2.join());
2594	>	rs[2].assertValue(v1);
2595	>	} catch (CompletionException ok) {
2596	>	checkCompletedWithWrappedException(h2, ex);
2597	>	rs[2].assertNotInvoked();
2598	>	}
2599	>	try {
2600	>	assertNull(h3.join());
2601	>	rs[3].assertValue(v1);
2602	>	} catch (CompletionException ok) {
2603	>	checkCompletedWithWrappedException(h3, ex);
2604	>	rs[3].assertNotInvoked();
2605		}
2606
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);
2607		checkCompletedNormally(f, v1);
2608	<	checkCompletedNormally(g, v2);
2608	>	checkCompletedExceptionally(g, ex);
2609		}}
2610
2611		/**
2612		* acceptEither result completes exceptionally if either source cancelled
2613		*/
2614	<	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() {
2614	>	public void testAcceptEither_sourceCancelled() {
2615		for (ExecutionMode m : ExecutionMode.values())
2616		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2617		for (Integer v1 : new Integer[] { 1, null })
2618		{
2619		final CompletableFuture<Integer> f = new CompletableFuture<>();
2620		final CompletableFuture<Integer> g = new CompletableFuture<>();
2621	<	final IncAction r = new IncAction();
2622	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2621	>	final NoopConsumer[] rs = new NoopConsumer[6];
2622	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2623
2624	<	assertTrue(g.cancel(mayInterruptIfRunning));
2625	<	checkCompletedWithWrappedCancellationException(h);
2626	<	f.complete(v1);
2624	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2625	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2626	>	checkIncomplete(h0);
2627	>	checkIncomplete(h1);
2628	>	rs[0].assertNotInvoked();
2629	>	rs[1].assertNotInvoked();
2630	>	f.cancel(mayInterruptIfRunning);
2631	>	checkCompletedWithWrappedCancellationException(h0);
2632	>	checkCompletedWithWrappedCancellationException(h1);
2633	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2634	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2635	>	checkCompletedWithWrappedCancellationException(h2);
2636	>	checkCompletedWithWrappedCancellationException(h3);
2637
2638	<	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);
2638	>	g.complete(v1);
2639
2640	<	// unspecified behavior
2641	<	Integer v;
2640	>	// unspecified behavior - both source completions available
2641	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2642	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2643		try {
2644	<	assertNull(h.join());
2645	<	assertEquals(1, r.invocationCount);
2505	<	assertEquals(inc(v1), r.value);
2644	>	assertNull(h4.join());
2645	>	rs[4].assertValue(v1);
2646		} catch (CompletionException ok) {
2647	<	checkCompletedWithWrappedCancellationException(h);
2648	<	assertEquals(0, r.invocationCount);
2647	>	checkCompletedWithWrappedCancellationException(h4);
2648	>	rs[4].assertNotInvoked();
2649		}
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;
2650		try {
2651	<	assertNull(h.join());
2652	<	assertEquals(1, r.invocationCount);
2533	<	assertEquals(inc(v1), r.value);
2651	>	assertNull(h5.join());
2652	>	rs[5].assertValue(v1);
2653		} catch (CompletionException ok) {
2654	<	checkCompletedWithWrappedCancellationException(h);
2655	<	assertEquals(0, r.invocationCount);
2654	>	checkCompletedWithWrappedCancellationException(h5);
2655	>	rs[5].assertNotInvoked();
2656		}
2657
2658		checkCancelled(f);
2659		checkCompletedNormally(g, v1);
2660	+	checkCompletedWithWrappedCancellationException(h0);
2661	+	checkCompletedWithWrappedCancellationException(h1);
2662	+	checkCompletedWithWrappedCancellationException(h2);
2663	+	checkCompletedWithWrappedCancellationException(h3);
2664	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2665		}}
2666
2667		/**
2668	<	* runAfterEither result completes normally after normal completion
2545	<	* of either source
2668	>	* acceptEither result completes exceptionally if action does
2669		*/
2670	<	public void testRunAfterEither_normalCompletion1() {
2670	>	public void testAcceptEither_actionFailed() {
2671		for (ExecutionMode m : ExecutionMode.values())
2672		for (Integer v1 : new Integer[] { 1, null })
2673		for (Integer v2 : new Integer[] { 2, null })
2674		{
2675		final CompletableFuture<Integer> f = new CompletableFuture<>();
2676		final CompletableFuture<Integer> g = new CompletableFuture<>();
2677	<	final Noop r = new Noop();
2678	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2677	>	final FailingConsumer[] rs = new FailingConsumer[6];
2678	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2679
2680	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2681	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2682		f.complete(v1);
2683	<	checkCompletedNormally(h, null);
2684	<	assertEquals(1, r.invocationCount);
2683	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2684	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2685	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2686	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2687	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2688	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2689	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2690	>
2691		g.complete(v2);
2692
2693	+	// unspecified behavior - both source completions available
2694	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2695	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2696	+
2697	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2698	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2699	+	Objects.equals(v2, rs[4].value));
2700	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2701	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2702	+	Objects.equals(v2, rs[5].value));
2703	+
2704		checkCompletedNormally(f, v1);
2705		checkCompletedNormally(g, v2);
2564	–	checkCompletedNormally(h, null);
2565	–	assertEquals(1, r.invocationCount);
2706		}}
2707
2708	<	public void testRunAfterEither_normalCompletion2() {
2708	>	/**
2709	>	* runAfterEither result completes normally after normal completion
2710	>	* of either source
2711	>	*/
2712	>	public void testRunAfterEither_normalCompletion() {
2713		for (ExecutionMode m : ExecutionMode.values())
2714		for (Integer v1 : new Integer[] { 1, null })
2715		for (Integer v2 : new Integer[] { 2, null })
2716	+	for (boolean pushNop : new boolean[] { true, false })
2717		{
2718		final CompletableFuture<Integer> f = new CompletableFuture<>();
2719		final CompletableFuture<Integer> g = new CompletableFuture<>();
2720	<	final Noop r = new Noop();
2721	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2720	>	final Noop[] rs = new Noop[6];
2721	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2722
2723	<	g.complete(v2);
2724	<	checkCompletedNormally(h, null);
2725	<	assertEquals(1, r.invocationCount);
2723	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2724	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2725	>	checkIncomplete(h0);
2726	>	checkIncomplete(h1);
2727	>	rs[0].assertNotInvoked();
2728	>	rs[1].assertNotInvoked();
2729	>	if (pushNop) {          // ad hoc test of intra-completion interference
2730	>	m.thenRun(f, () -> {});
2731	>	m.thenRun(g, () -> {});
2732	>	}
2733		f.complete(v1);
2734	+	checkCompletedNormally(h0, null);
2735	+	checkCompletedNormally(h1, null);
2736	+	rs[0].assertInvoked();
2737	+	rs[1].assertInvoked();
2738	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2739	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2740	+	checkCompletedNormally(h2, null);
2741	+	checkCompletedNormally(h3, null);
2742	+	rs[2].assertInvoked();
2743	+	rs[3].assertInvoked();
2744
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);
2745		g.complete(v2);
2600	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2746
2747	<	checkCompletedNormally(h, null);
2747	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2748	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2749	>
2750		checkCompletedNormally(f, v1);
2751		checkCompletedNormally(g, v2);
2752	<	assertEquals(1, r.invocationCount);
2752	>	checkCompletedNormally(h0, null);
2753	>	checkCompletedNormally(h1, null);
2754	>	checkCompletedNormally(h2, null);
2755	>	checkCompletedNormally(h3, null);
2756	>	checkCompletedNormally(h4, null);
2757	>	checkCompletedNormally(h5, null);
2758	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2759		}}
2760
2761		/**
2762		* runAfterEither result completes exceptionally after exceptional
2763		* completion of either source
2764		*/
2765	<	public void testRunAfterEither_exceptionalCompletion1() {
2765	>	public void testRunAfterEither_exceptionalCompletion() {
2766		for (ExecutionMode m : ExecutionMode.values())
2767		for (Integer v1 : new Integer[] { 1, null })
2768		{
2769		final CompletableFuture<Integer> f = new CompletableFuture<>();
2770		final CompletableFuture<Integer> g = new CompletableFuture<>();
2618	–	final Noop r = new Noop();
2619	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2771		final CFException ex = new CFException();
2772	+	final Noop[] rs = new Noop[6];
2773	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2774
2775	<	f.completeExceptionally(ex);
2776	<	checkCompletedWithWrappedCFException(h, ex);
2777	<	g.complete(v1);
2775	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2776	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2777	>	checkIncomplete(h0);
2778	>	checkIncomplete(h1);
2779	>	rs[0].assertNotInvoked();
2780	>	rs[1].assertNotInvoked();
2781	>	assertTrue(f.completeExceptionally(ex));
2782	>	checkCompletedWithWrappedException(h0, ex);
2783	>	checkCompletedWithWrappedException(h1, ex);
2784	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2785	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2786	>	checkCompletedWithWrappedException(h2, ex);
2787	>	checkCompletedWithWrappedException(h3, ex);
2788	>
2789	>	assertTrue(g.complete(v1));
2790	>
2791	>	// unspecified behavior - both source completions available
2792	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2793	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2794	>	try {
2795	>	assertNull(h4.join());
2796	>	rs[4].assertInvoked();
2797	>	} catch (CompletionException ok) {
2798	>	checkCompletedWithWrappedException(h4, ex);
2799	>	rs[4].assertNotInvoked();
2800	>	}
2801	>	try {
2802	>	assertNull(h5.join());
2803	>	rs[5].assertInvoked();
2804	>	} catch (CompletionException ok) {
2805	>	checkCompletedWithWrappedException(h5, ex);
2806	>	rs[5].assertNotInvoked();
2807	>	}
2808
2809	<	assertEquals(0, r.invocationCount);
2809	>	checkCompletedExceptionally(f, ex);
2810		checkCompletedNormally(g, v1);
2811	<	checkCompletedWithWrappedCFException(f, ex);
2812	<	checkCompletedWithWrappedCFException(h, ex);
2811	>	checkCompletedWithWrappedException(h0, ex);
2812	>	checkCompletedWithWrappedException(h1, ex);
2813	>	checkCompletedWithWrappedException(h2, ex);
2814	>	checkCompletedWithWrappedException(h3, ex);
2815	>	checkCompletedWithWrappedException(h4, ex);
2816	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2817		}}
2818
2819		public void testRunAfterEither_exceptionalCompletion2() {
2820		for (ExecutionMode m : ExecutionMode.values())
2821	+	for (boolean fFirst : new boolean[] { true, false })
2822		for (Integer v1 : new Integer[] { 1, null })
2823		{
2824		final CompletableFuture<Integer> f = new CompletableFuture<>();
2825		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();
2826		final CFException ex = new CFException();
2827	+	final Noop[] rs = new Noop[6];
2828	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2829
2830	<	g.completeExceptionally(ex);
2831	<	f.complete(v1);
2832	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2830	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2831	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2832	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2833	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2834	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2835	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2836
2837	<	// unspecified behavior
2666	<	Integer v;
2837	>	// unspecified behavior - both source completions available
2838		try {
2839	<	assertNull(h.join());
2840	<	assertEquals(1, r.invocationCount);
2839	>	assertNull(h0.join());
2840	>	rs[0].assertInvoked();
2841		} catch (CompletionException ok) {
2842	<	checkCompletedWithWrappedCFException(h, ex);
2843	<	assertEquals(0, r.invocationCount);
2842	>	checkCompletedWithWrappedException(h0, ex);
2843	>	rs[0].assertNotInvoked();
2844		}
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;
2845		try {
2846	<	assertNull(h.join());
2847	<	assertEquals(1, r.invocationCount);
2846	>	assertNull(h1.join());
2847	>	rs[1].assertInvoked();
2848		} catch (CompletionException ok) {
2849	<	checkCompletedWithWrappedCFException(h, ex);
2850	<	assertEquals(0, r.invocationCount);
2849	>	checkCompletedWithWrappedException(h1, ex);
2850	>	rs[1].assertNotInvoked();
2851	>	}
2852	>	try {
2853	>	assertNull(h2.join());
2854	>	rs[2].assertInvoked();
2855	>	} catch (CompletionException ok) {
2856	>	checkCompletedWithWrappedException(h2, ex);
2857	>	rs[2].assertNotInvoked();
2858	>	}
2859	>	try {
2860	>	assertNull(h3.join());
2861	>	rs[3].assertInvoked();
2862	>	} catch (CompletionException ok) {
2863	>	checkCompletedWithWrappedException(h3, ex);
2864	>	rs[3].assertNotInvoked();
2865		}
2866
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);
2867		checkCompletedNormally(f, v1);
2868	<	checkCompletedNormally(g, v2);
2868	>	checkCompletedExceptionally(g, ex);
2869		}}
2870
2871		/**
2872		* runAfterEither result completes exceptionally if either source cancelled
2873		*/
2874	<	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() {
2874	>	public void testRunAfterEither_sourceCancelled() {
2875		for (ExecutionMode m : ExecutionMode.values())
2876		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2877		for (Integer v1 : new Integer[] { 1, null })
2878		{
2879		final CompletableFuture<Integer> f = new CompletableFuture<>();
2880		final CompletableFuture<Integer> g = new CompletableFuture<>();
2881	<	final Noop r = new Noop();
2882	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2881	>	final Noop[] rs = new Noop[6];
2882	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2883
2884	<	assertTrue(g.cancel(mayInterruptIfRunning));
2885	<	checkCompletedWithWrappedCancellationException(h);
2886	<	f.complete(v1);
2887	<
2888	<	checkCancelled(g);
2889	<	assertEquals(0, r.invocationCount);
2890	<	checkCompletedNormally(f, v1);
2891	<	checkCompletedWithWrappedCancellationException(h);
2892	<	}}
2893	<
2894	<	public void testRunAfterEither_sourceCancelled3() {
2895	<	for (ExecutionMode m : ExecutionMode.values())
2896	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2897	<	for (Integer v1 : new Integer[] { 1, null })
2898	<	{
2899	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2900	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2901	<	final Noop r = new Noop();
2902	<
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;
2884	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2885	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2886	>	checkIncomplete(h0);
2887	>	checkIncomplete(h1);
2888	>	rs[0].assertNotInvoked();
2889	>	rs[1].assertNotInvoked();
2890	>	f.cancel(mayInterruptIfRunning);
2891	>	checkCompletedWithWrappedCancellationException(h0);
2892	>	checkCompletedWithWrappedCancellationException(h1);
2893	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2894	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2895	>	checkCompletedWithWrappedCancellationException(h2);
2896	>	checkCompletedWithWrappedCancellationException(h3);
2897	>
2898	>	assertTrue(g.complete(v1));
2899	>
2900	>	// unspecified behavior - both source completions available
2901	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2902	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2903		try {
2904	<	assertNull(h.join());
2905	<	assertEquals(1, r.invocationCount);
2904	>	assertNull(h4.join());
2905	>	rs[4].assertInvoked();
2906		} catch (CompletionException ok) {
2907	<	checkCompletedWithWrappedCancellationException(h);
2908	<	assertEquals(0, r.invocationCount);
2907	>	checkCompletedWithWrappedCancellationException(h4);
2908	>	rs[4].assertNotInvoked();
2909		}
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;
2910		try {
2911	<	assertNull(h.join());
2912	<	assertEquals(1, r.invocationCount);
2911	>	assertNull(h5.join());
2912	>	rs[5].assertInvoked();
2913		} catch (CompletionException ok) {
2914	<	checkCompletedWithWrappedCancellationException(h);
2915	<	assertEquals(0, r.invocationCount);
2914	>	checkCompletedWithWrappedCancellationException(h5);
2915	>	rs[5].assertNotInvoked();
2916		}
2917
2918		checkCancelled(f);
2919		checkCompletedNormally(g, v1);
2920	+	checkCompletedWithWrappedCancellationException(h0);
2921	+	checkCompletedWithWrappedCancellationException(h1);
2922	+	checkCompletedWithWrappedCancellationException(h2);
2923	+	checkCompletedWithWrappedCancellationException(h3);
2924	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2925		}}
2926
2927		/**
2928	<	* thenCompose result completes normally after normal completion of source
2928	>	* runAfterEither result completes exceptionally if action does
2929		*/
2930	<	public void testThenCompose_normalCompletion1() {
2930	>	public void testRunAfterEither_actionFailed() {
2931		for (ExecutionMode m : ExecutionMode.values())
2932		for (Integer v1 : new Integer[] { 1, null })
2933	+	for (Integer v2 : new Integer[] { 2, null })
2934		{
2935		final CompletableFuture<Integer> f = new CompletableFuture<>();
2936	<	final CompletableFutureInc r = new CompletableFutureInc();
2937	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2938	<	f.complete(v1);
2939	<	checkCompletedNormally(g, inc(v1));
2936	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2937	>	final FailingRunnable[] rs = new FailingRunnable[6];
2938	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2939	>
2940	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2941	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2942	>	assertTrue(f.complete(v1));
2943	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2944	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2945	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2946	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2947	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2948	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2949	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2950	>	assertTrue(g.complete(v2));
2951	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2952	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2953	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2954	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2955	>
2956		checkCompletedNormally(f, v1);
2957	<	assertEquals(1, r.invocationCount);
2957	>	checkCompletedNormally(g, v2);
2958	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2959		}}
2960
2961	<	public void testThenCompose_normalCompletion2() {
2961	>	/**
2962	>	* thenCompose result completes normally after normal completion of source
2963	>	*/
2964	>	public void testThenCompose_normalCompletion() {
2965		for (ExecutionMode m : ExecutionMode.values())
2966	+	for (boolean createIncomplete : new boolean[] { true, false })
2967		for (Integer v1 : new Integer[] { 1, null })
2968		{
2969		final CompletableFuture<Integer> f = new CompletableFuture<>();
2970	<	final CompletableFutureInc r = new CompletableFutureInc();
2971	<	f.complete(v1);
2972	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2970	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2971	>	if (!createIncomplete) assertTrue(f.complete(v1));
2972	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2973	>	if (createIncomplete) assertTrue(f.complete(v1));
2974	>
2975		checkCompletedNormally(g, inc(v1));
2976		checkCompletedNormally(f, v1);
2977	<	assertEquals(1, r.invocationCount);
2977	>	r.assertValue(v1);
2978		}}
2979
2980		/**
2981		* thenCompose result completes exceptionally after exceptional
2982		* completion of source
2983		*/
2984	<	public void testThenCompose_exceptionalCompletion1() {
2984	>	public void testThenCompose_exceptionalCompletion() {
2985		for (ExecutionMode m : ExecutionMode.values())
2986	+	for (boolean createIncomplete : new boolean[] { true, false })
2987		{
2988		final CFException ex = new CFException();
2989	<	final CompletableFutureInc r = new CompletableFutureInc();
2989	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2990		final CompletableFuture<Integer> f = new CompletableFuture<>();
2991	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2992	<	f.completeExceptionally(ex);
2993	<	checkCompletedWithWrappedCFException(g, ex);
2882	<	checkCompletedWithWrappedCFException(f, ex);
2883	<	}}
2991	>	if (!createIncomplete) f.completeExceptionally(ex);
2992	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2993	>	if (createIncomplete) f.completeExceptionally(ex);
2994
2995	<	public void testThenCompose_exceptionalCompletion2() {
2996	<	for (ExecutionMode m : ExecutionMode.values())
2997	<	{
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);
2995	>	checkCompletedWithWrappedException(g, ex);
2996	>	checkCompletedExceptionally(f, ex);
2997	>	r.assertNotInvoked();
2998		}}
2999
3000		/**
3001		* thenCompose result completes exceptionally if action does
3002		*/
3003	<	public void testThenCompose_actionFailed1() {
3003	>	public void testThenCompose_actionFailed() {
3004		for (ExecutionMode m : ExecutionMode.values())
3005	+	for (boolean createIncomplete : new boolean[] { true, false })
3006		for (Integer v1 : new Integer[] { 1, null })
3007		{
3008		final CompletableFuture<Integer> f = new CompletableFuture<>();
3009		final FailingCompletableFutureFunction r
3010	<	= new FailingCompletableFutureFunction();
3011	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3012	<	f.complete(v1);
3013	<	checkCompletedWithWrappedCFException(g);
2910	<	checkCompletedNormally(f, v1);
2911	<	}}
3010	>	= new FailingCompletableFutureFunction(m);
3011	>	if (!createIncomplete) assertTrue(f.complete(v1));
3012	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3013	>	if (createIncomplete) assertTrue(f.complete(v1));
3014
3015	<	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);
3015	>	checkCompletedWithWrappedException(g, r.ex);
3016		checkCompletedNormally(f, v1);
3017		}}
3018
3019		/**
3020		* thenCompose result completes exceptionally if source cancelled
3021		*/
3022	<	public void testThenCompose_sourceCancelled1() {
3022	>	public void testThenCompose_sourceCancelled() {
3023		for (ExecutionMode m : ExecutionMode.values())
3024	+	for (boolean createIncomplete : new boolean[] { true, false })
3025		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3026		{
3027		final CompletableFuture<Integer> f = new CompletableFuture<>();
3028	<	final CompletableFutureInc r = new CompletableFutureInc();
3029	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3030	<	assertTrue(f.cancel(mayInterruptIfRunning));
3031	<	checkCompletedWithWrappedCancellationException(g);
3032	<	checkCancelled(f);
3033	<	}}
3028	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3029	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3030	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3031	>	if (createIncomplete) {
3032	>	checkIncomplete(g);
3033	>	assertTrue(f.cancel(mayInterruptIfRunning));
3034	>	}
3035
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);
3036		checkCompletedWithWrappedCancellationException(g);
3037		checkCancelled(f);
3038		}}
3039
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	–
3040		/**
3041	<	* 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
3041	>	* thenCompose result completes exceptionally if the result of the action does
3042		*/
3043	<	public void testThenAcceptAsync3E() {
3044	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3045	<	FailingConsumer r = new FailingConsumer();
3046	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3047	<	f.complete(null);
3048	<	checkCompletedWithWrappedCFException(g);
3049	<	}
3043	>	public void testThenCompose_actionReturnsFailingFuture() {
3044	>	for (ExecutionMode m : ExecutionMode.values())
3045	>	for (int order = 0; order < 6; order++)
3046	>	for (Integer v1 : new Integer[] { 1, null })
3047	>	{
3048	>	final CFException ex = new CFException();
3049	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3050	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3051	>	final CompletableFuture<Integer> h;
3052	>	// Test all permutations of orders
3053	>	switch (order) {
3054	>	case 0:
3055	>	assertTrue(f.complete(v1));
3056	>	assertTrue(g.completeExceptionally(ex));
3057	>	h = m.thenCompose(f, (x -> g));
3058	>	break;
3059	>	case 1:
3060	>	assertTrue(f.complete(v1));
3061	>	h = m.thenCompose(f, (x -> g));
3062	>	assertTrue(g.completeExceptionally(ex));
3063	>	break;
3064	>	case 2:
3065	>	assertTrue(g.completeExceptionally(ex));
3066	>	assertTrue(f.complete(v1));
3067	>	h = m.thenCompose(f, (x -> g));
3068	>	break;
3069	>	case 3:
3070	>	assertTrue(g.completeExceptionally(ex));
3071	>	h = m.thenCompose(f, (x -> g));
3072	>	assertTrue(f.complete(v1));
3073	>	break;
3074	>	case 4:
3075	>	h = m.thenCompose(f, (x -> g));
3076	>	assertTrue(f.complete(v1));
3077	>	assertTrue(g.completeExceptionally(ex));
3078	>	break;
3079	>	case 5:
3080	>	h = m.thenCompose(f, (x -> g));
3081	>	assertTrue(f.complete(v1));
3082	>	assertTrue(g.completeExceptionally(ex));
3083	>	break;
3084	>	default: throw new AssertionError();
3085	>	}
3086
3087	<	/**
3088	<	* thenAcceptAsync result completes exceptionally if source cancelled
3089	<	*/
3090	<	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	<	}
3087	>	checkCompletedExceptionally(g, ex);
3088	>	checkCompletedWithWrappedException(h, ex);
3089	>	checkCompletedNormally(f, v1);
3090	>	}}
3091
3092		// other static methods
3093
#	Line 3260 | Line 3105 | public class CompletableFutureTest exten
3105		* when all components complete normally
3106		*/
3107		public void testAllOf_normal() throws Exception {
3108	<	for (int k = 1; k < 20; ++k) {
3109	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3110	<	for (int i = 0; i < k; ++i)
3108	>	for (int k = 1; k < 10; k++) {
3109	>	CompletableFuture<Integer>[] fs
3110	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3111	>	for (int i = 0; i < k; i++)
3112	>	fs[i] = new CompletableFuture<>();
3113	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3114	>	for (int i = 0; i < k; i++) {
3115	>	checkIncomplete(f);
3116	>	checkIncomplete(CompletableFuture.allOf(fs));
3117	>	fs[i].complete(one);
3118	>	}
3119	>	checkCompletedNormally(f, null);
3120	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3121	>	}
3122	>	}
3123	>
3124	>	public void testAllOf_normal_backwards() throws Exception {
3125	>	for (int k = 1; k < 10; k++) {
3126	>	CompletableFuture<Integer>[] fs
3127	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3128	>	for (int i = 0; i < k; i++)
3129		fs[i] = new CompletableFuture<>();
3130		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3131	<	for (int i = 0; i < k; ++i) {
3131	>	for (int i = k - 1; i >= 0; i--) {
3132		checkIncomplete(f);
3133		checkIncomplete(CompletableFuture.allOf(fs));
3134		fs[i].complete(one);
#	Line 3275 | Line 3138 | public class CompletableFutureTest exten
3138		}
3139		}
3140
3141	+	public void testAllOf_exceptional() throws Exception {
3142	+	for (int k = 1; k < 10; k++) {
3143	+	CompletableFuture<Integer>[] fs
3144	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3145	+	CFException ex = new CFException();
3146	+	for (int i = 0; i < k; i++)
3147	+	fs[i] = new CompletableFuture<>();
3148	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3149	+	for (int i = 0; i < k; i++) {
3150	+	checkIncomplete(f);
3151	+	checkIncomplete(CompletableFuture.allOf(fs));
3152	+	if (i != k / 2) {
3153	+	fs[i].complete(i);
3154	+	checkCompletedNormally(fs[i], i);
3155	+	} else {
3156	+	fs[i].completeExceptionally(ex);
3157	+	checkCompletedExceptionally(fs[i], ex);
3158	+	}
3159	+	}
3160	+	checkCompletedWithWrappedException(f, ex);
3161	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3162	+	}
3163	+	}
3164	+
3165		/**
3166		* anyOf(no component futures) returns an incomplete future
3167		*/
3168		public void testAnyOf_empty() throws Exception {
3169	+	for (Integer v1 : new Integer[] { 1, null })
3170	+	{
3171		CompletableFuture<Object> f = CompletableFuture.anyOf();
3172		checkIncomplete(f);
3173	<	}
3173	>
3174	>	f.complete(v1);
3175	>	checkCompletedNormally(f, v1);
3176	>	}}
3177
3178		/**
3179		* anyOf returns a future completed normally with a value when
3180		* a component future does
3181		*/
3182		public void testAnyOf_normal() throws Exception {
3183	<	for (int k = 0; k < 10; ++k) {
3183	>	for (int k = 0; k < 10; k++) {
3184		CompletableFuture[] fs = new CompletableFuture[k];
3185	<	for (int i = 0; i < k; ++i)
3185	>	for (int i = 0; i < k; i++)
3186		fs[i] = new CompletableFuture<>();
3187		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3188		checkIncomplete(f);
3189	<	for (int i = 0; i < k; ++i) {
3190	<	fs[i].complete(one);
3191	<	checkCompletedNormally(f, one);
3192	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3189	>	for (int i = 0; i < k; i++) {
3190	>	fs[i].complete(i);
3191	>	checkCompletedNormally(f, 0);
3192	>	int x = (int) CompletableFuture.anyOf(fs).join();
3193	>	assertTrue(0 <= x && x <= i);
3194	>	}
3195	>	}
3196	>	}
3197	>	public void testAnyOf_normal_backwards() throws Exception {
3198	>	for (int k = 0; k < 10; k++) {
3199	>	CompletableFuture[] fs = new CompletableFuture[k];
3200	>	for (int i = 0; i < k; i++)
3201	>	fs[i] = new CompletableFuture<>();
3202	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3203	>	checkIncomplete(f);
3204	>	for (int i = k - 1; i >= 0; i--) {
3205	>	fs[i].complete(i);
3206	>	checkCompletedNormally(f, k - 1);
3207	>	int x = (int) CompletableFuture.anyOf(fs).join();
3208	>	assertTrue(i <= x && x <= k - 1);
3209		}
3210		}
3211		}
#	Line 3306 | Line 3214 | public class CompletableFutureTest exten
3214		* anyOf result completes exceptionally when any component does.
3215		*/
3216		public void testAnyOf_exceptional() throws Exception {
3217	<	for (int k = 0; k < 10; ++k) {
3217	>	for (int k = 0; k < 10; k++) {
3218	>	CompletableFuture[] fs = new CompletableFuture[k];
3219	>	CFException[] exs = new CFException[k];
3220	>	for (int i = 0; i < k; i++) {
3221	>	fs[i] = new CompletableFuture<>();
3222	>	exs[i] = new CFException();
3223	>	}
3224	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3225	>	checkIncomplete(f);
3226	>	for (int i = 0; i < k; i++) {
3227	>	fs[i].completeExceptionally(exs[i]);
3228	>	checkCompletedWithWrappedException(f, exs[0]);
3229	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3230	>	}
3231	>	}
3232	>	}
3233	>
3234	>	public void testAnyOf_exceptional_backwards() throws Exception {
3235	>	for (int k = 0; k < 10; k++) {
3236		CompletableFuture[] fs = new CompletableFuture[k];
3237	<	for (int i = 0; i < k; ++i)
3237	>	CFException[] exs = new CFException[k];
3238	>	for (int i = 0; i < k; i++) {
3239		fs[i] = new CompletableFuture<>();
3240	+	exs[i] = new CFException();
3241	+	}
3242		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3243		checkIncomplete(f);
3244	<	for (int i = 0; i < k; ++i) {
3245	<	fs[i].completeExceptionally(new CFException());
3246	<	checkCompletedWithWrappedCFException(f);
3244	>	for (int i = k - 1; i >= 0; i--) {
3245	>	fs[i].completeExceptionally(exs[i]);
3246	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3247		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3248		}
3249		}
#	Line 3323 | Line 3252 | public class CompletableFutureTest exten
3252		/**
3253		* Completion methods throw NullPointerException with null arguments
3254		*/
3255	+	@SuppressWarnings("FutureReturnValueIgnored")
3256		public void testNPE() {
3257		CompletableFuture<Integer> f = new CompletableFuture<>();
3258		CompletableFuture<Integer> g = new CompletableFuture<>();
3259		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3330	–	CompletableFuture<?> h;
3260		ThreadExecutor exec = new ThreadExecutor();
3261
3262		Runnable[] throwingActions = {
3263		() -> CompletableFuture.supplyAsync(null),
3264		() -> CompletableFuture.supplyAsync(null, exec),
3265	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3265	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3266
3267		() -> CompletableFuture.runAsync(null),
3268		() -> CompletableFuture.runAsync(null, exec),
#	Line 3343 | Line 3272 | public class CompletableFutureTest exten
3272
3273		() -> f.thenApply(null),
3274		() -> f.thenApplyAsync(null),
3275	<	() -> f.thenApplyAsync((x) -> x, null),
3275	>	() -> f.thenApplyAsync(x -> x, null),
3276		() -> f.thenApplyAsync(null, exec),
3277
3278		() -> f.thenAccept(null),
3279		() -> f.thenAcceptAsync(null),
3280	<	() -> f.thenAcceptAsync((x) -> {} , null),
3280	>	() -> f.thenAcceptAsync(x -> {} , null),
3281		() -> f.thenAcceptAsync(null, exec),
3282
3283		() -> f.thenRun(null),
#	Line 3383 | Line 3312 | public class CompletableFutureTest exten
3312		() -> f.applyToEither(g, null),
3313		() -> f.applyToEitherAsync(g, null),
3314		() -> f.applyToEitherAsync(g, null, exec),
3315	<	() -> f.applyToEither(nullFuture, (x) -> x),
3316	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3317	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3318	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3315	>	() -> f.applyToEither(nullFuture, x -> x),
3316	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3317	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3318	>	() -> f.applyToEitherAsync(g, x -> x, null),
3319
3320		() -> f.acceptEither(g, null),
3321		() -> f.acceptEitherAsync(g, null),
3322		() -> f.acceptEitherAsync(g, null, exec),
3323	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3324	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3325	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3326	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3323	>	() -> f.acceptEither(nullFuture, x -> {}),
3324	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3325	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3326	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3327
3328		() -> f.runAfterEither(g, null),
3329		() -> f.runAfterEitherAsync(g, null),
#	Line 3406 | Line 3335 | public class CompletableFutureTest exten
3335
3336		() -> f.thenCompose(null),
3337		() -> f.thenComposeAsync(null),
3338	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3338	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3339		() -> f.thenComposeAsync(null, exec),
3340
3341		() -> f.exceptionally(null),
#	Line 3424 | Line 3353 | public class CompletableFutureTest exten
3353		() -> CompletableFuture.anyOf(null, f),
3354
3355		() -> f.obtrudeException(null),
3356	+
3357	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3358	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3359	+	() -> CompletableFuture.delayedExecutor(1L, null),
3360	+
3361	+	() -> f.orTimeout(1L, null),
3362	+	() -> f.completeOnTimeout(42, 1L, null),
3363	+
3364	+	() -> CompletableFuture.failedFuture(null),
3365	+	() -> CompletableFuture.failedStage(null),
3366		};
3367
3368		assertThrows(NullPointerException.class, throwingActions);
#	Line 3431 | Line 3370 | public class CompletableFutureTest exten
3370		}
3371
3372		/**
3373	+	* Test submissions to an executor that rejects all tasks.
3374	+	*/
3375	+	public void testRejectingExecutor() {
3376	+	for (Integer v : new Integer[] { 1, null })
3377	+	{
3378	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3379	+
3380	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3381	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3382	+
3383	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3384	+
3385	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3386	+	srcs.add(complete);
3387	+	srcs.add(incomplete);
3388	+
3389	+	for (CompletableFuture<Integer> src : srcs) {
3390	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3391	+	fs.add(src.thenRunAsync(() -> {}, e));
3392	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3393	+	fs.add(src.thenApplyAsync(z -> z, e));
3394	+
3395	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3396	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3397	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3398	+
3399	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3400	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3401	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3402	+
3403	+	fs.add(src.thenComposeAsync(z -> null, e));
3404	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3405	+	fs.add(src.handleAsync((z, t) -> null, e));
3406	+
3407	+	for (CompletableFuture<?> future : fs) {
3408	+	if (src.isDone())
3409	+	checkCompletedWithWrappedException(future, e.ex);
3410	+	else
3411	+	checkIncomplete(future);
3412	+	}
3413	+	futures.addAll(fs);
3414	+	}
3415	+
3416	+	{
3417	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3418	+
3419	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3420	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3421	+
3422	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3423	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3424	+
3425	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3426	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3427	+
3428	+	for (CompletableFuture<?> future : fs)
3429	+	checkIncomplete(future);
3430	+	futures.addAll(fs);
3431	+	}
3432	+
3433	+	{
3434	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3435	+
3436	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3437	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3438	+
3439	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3440	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3441	+
3442	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3443	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3444	+
3445	+	for (CompletableFuture<?> future : fs)
3446	+	checkCompletedWithWrappedException(future, e.ex);
3447	+	futures.addAll(fs);
3448	+	}
3449	+
3450	+	incomplete.complete(v);
3451	+
3452	+	for (CompletableFuture<?> future : futures)
3453	+	checkCompletedWithWrappedException(future, e.ex);
3454	+
3455	+	assertEquals(futures.size(), e.count.get());
3456	+	}}
3457	+
3458	+	/**
3459	+	* Test submissions to an executor that rejects all tasks, but
3460	+	* should never be invoked because the dependent future is
3461	+	* explicitly completed.
3462	+	*/
3463	+	public void testRejectingExecutorNeverInvoked() {
3464	+	for (Integer v : new Integer[] { 1, null })
3465	+	{
3466	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3467	+
3468	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3469	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3470	+
3471	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3472	+
3473	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3474	+	srcs.add(complete);
3475	+	srcs.add(incomplete);
3476	+
3477	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3478	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3479	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3480	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3481	+
3482	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3483	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3484	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3485	+
3486	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3487	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3488	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3489	+
3490	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3491	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3492	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3493	+
3494	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3495	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3496	+
3497	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3498	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3499	+
3500	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3501	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3502	+
3503	+	for (CompletableFuture<?> future : fs)
3504	+	checkIncomplete(future);
3505	+
3506	+	for (CompletableFuture<?> future : fs)
3507	+	future.complete(null);
3508	+
3509	+	incomplete.complete(v);
3510	+
3511	+	for (CompletableFuture<?> future : fs)
3512	+	checkCompletedNormally(future, null);
3513	+
3514	+	assertEquals(0, e.count.get());
3515	+	}}
3516	+
3517	+	/**
3518		* toCompletableFuture returns this CompletableFuture.
3519		*/
3520		public void testToCompletableFuture() {
#	Line 3438 | Line 3522 | public class CompletableFutureTest exten
3522		assertSame(f, f.toCompletableFuture());
3523		}
3524
3525	+	// jdk9
3526	+
3527		/**
3528	<	* whenComplete action executes on normal completion, propagating
3443	<	* source result.
3528	>	* newIncompleteFuture returns an incomplete CompletableFuture
3529		*/
3530	<	public void testWhenComplete_normalCompletion1() {
3531	<	for (ExecutionMode m : ExecutionMode.values())
3530	>	public void testNewIncompleteFuture() {
3531	>	for (Integer v1 : new Integer[] { 1, null })
3532	>	{
3533	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3534	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3535	>	checkIncomplete(f);
3536	>	checkIncomplete(g);
3537	>	f.complete(v1);
3538	>	checkCompletedNormally(f, v1);
3539	>	checkIncomplete(g);
3540	>	g.complete(v1);
3541	>	checkCompletedNormally(g, v1);
3542	>	assertSame(g.getClass(), CompletableFuture.class);
3543	>	}}
3544	>
3545	>	/**
3546	>	* completedStage returns a completed CompletionStage
3547	>	*/
3548	>	public void testCompletedStage() {
3549	>	AtomicInteger x = new AtomicInteger(0);
3550	>	AtomicReference<Throwable> r = new AtomicReference<>();
3551	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3552	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3553	>	assertEquals(x.get(), 1);
3554	>	assertNull(r.get());
3555	>	}
3556	>
3557	>	/**
3558	>	* defaultExecutor by default returns the commonPool if
3559	>	* it supports more than one thread.
3560	>	*/
3561	>	public void testDefaultExecutor() {
3562	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3563	>	Executor e = f.defaultExecutor();
3564	>	Executor c = ForkJoinPool.commonPool();
3565	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3566	>	assertSame(e, c);
3567	>	else
3568	>	assertNotSame(e, c);
3569	>	}
3570	>
3571	>	/**
3572	>	* failedFuture returns a CompletableFuture completed
3573	>	* exceptionally with the given Exception
3574	>	*/
3575	>	public void testFailedFuture() {
3576	>	CFException ex = new CFException();
3577	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3578	>	checkCompletedExceptionally(f, ex);
3579	>	}
3580	>
3581	>	/**
3582	>	* failedFuture(null) throws NPE
3583	>	*/
3584	>	public void testFailedFuture_null() {
3585	>	try {
3586	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3587	>	shouldThrow();
3588	>	} catch (NullPointerException success) {}
3589	>	}
3590	>
3591	>	/**
3592	>	* copy returns a CompletableFuture that is completed normally,
3593	>	* with the same value, when source is.
3594	>	*/
3595	>	public void testCopy_normalCompletion() {
3596		for (boolean createIncomplete : new boolean[] { true, false })
3597		for (Integer v1 : new Integer[] { 1, null })
3598		{
3599	<	final AtomicInteger a = new AtomicInteger(0);
3600	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3601	<	if (!createIncomplete) f.complete(v1);
3602	<	final CompletableFuture<Integer> g = m.whenComplete
3603	<	(f,
3604	<	(Integer x, Throwable t) -> {
3605	<	threadAssertSame(x, v1);
3606	<	threadAssertNull(t);
3607	<	a.getAndIncrement();
3608	<	});
3609	<	if (createIncomplete) f.complete(v1);
3599	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3600	>	if (!createIncomplete) assertTrue(f.complete(v1));
3601	>	CompletableFuture<Integer> g = f.copy();
3602	>	if (createIncomplete) {
3603	>	checkIncomplete(f);
3604	>	checkIncomplete(g);
3605	>	assertTrue(f.complete(v1));
3606	>	}
3607	>	checkCompletedNormally(f, v1);
3608	>	checkCompletedNormally(g, v1);
3609	>	}}
3610	>
3611	>	/**
3612	>	* copy returns a CompletableFuture that is completed exceptionally
3613	>	* when source is.
3614	>	*/
3615	>	public void testCopy_exceptionalCompletion() {
3616	>	for (boolean createIncomplete : new boolean[] { true, false })
3617	>	{
3618	>	CFException ex = new CFException();
3619	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3620	>	if (!createIncomplete) f.completeExceptionally(ex);
3621	>	CompletableFuture<Integer> g = f.copy();
3622	>	if (createIncomplete) {
3623	>	checkIncomplete(f);
3624	>	checkIncomplete(g);
3625	>	f.completeExceptionally(ex);
3626	>	}
3627	>	checkCompletedExceptionally(f, ex);
3628	>	checkCompletedWithWrappedException(g, ex);
3629	>	}}
3630	>
3631	>	/**
3632	>	* Completion of a copy does not complete its source.
3633	>	*/
3634	>	public void testCopy_oneWayPropagation() {
3635	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3636	>	assertTrue(f.copy().complete(1));
3637	>	assertTrue(f.copy().complete(null));
3638	>	assertTrue(f.copy().cancel(true));
3639	>	assertTrue(f.copy().cancel(false));
3640	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3641	>	checkIncomplete(f);
3642	>	}
3643
3644	+	/**
3645	+	* minimalCompletionStage returns a CompletableFuture that is
3646	+	* completed normally, with the same value, when source is.
3647	+	*/
3648	+	public void testMinimalCompletionStage() {
3649	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3650	+	CompletionStage<Integer> g = f.minimalCompletionStage();
3651	+	AtomicInteger x = new AtomicInteger(0);
3652	+	AtomicReference<Throwable> r = new AtomicReference<>();
3653	+	checkIncomplete(f);
3654	+	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3655	+	f.complete(1);
3656	+	checkCompletedNormally(f, 1);
3657	+	assertEquals(x.get(), 1);
3658	+	assertNull(r.get());
3659	+	}
3660	+
3661	+	/**
3662	+	* minimalCompletionStage returns a CompletableFuture that is
3663	+	* completed exceptionally when source is.
3664	+	*/
3665	+	public void testMinimalCompletionStage2() {
3666	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3667	+	CompletionStage<Integer> g = f.minimalCompletionStage();
3668	+	AtomicInteger x = new AtomicInteger(0);
3669	+	AtomicReference<Throwable> r = new AtomicReference<>();
3670	+	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3671	+	checkIncomplete(f);
3672	+	CFException ex = new CFException();
3673	+	f.completeExceptionally(ex);
3674	+	checkCompletedExceptionally(f, ex);
3675	+	assertEquals(x.get(), 0);
3676	+	assertEquals(r.get().getCause(), ex);
3677	+	}
3678	+
3679	+	/**
3680	+	* failedStage returns a CompletionStage completed
3681	+	* exceptionally with the given Exception
3682	+	*/
3683	+	public void testFailedStage() {
3684	+	CFException ex = new CFException();
3685	+	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3686	+	AtomicInteger x = new AtomicInteger(0);
3687	+	AtomicReference<Throwable> r = new AtomicReference<>();
3688	+	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3689	+	assertEquals(x.get(), 0);
3690	+	assertEquals(r.get(), ex);
3691	+	}
3692	+
3693	+	/**
3694	+	* completeAsync completes with value of given supplier
3695	+	*/
3696	+	public void testCompleteAsync() {
3697	+	for (Integer v1 : new Integer[] { 1, null })
3698	+	{
3699	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3700	+	f.completeAsync(() -> v1);
3701	+	f.join();
3702	+	checkCompletedNormally(f, v1);
3703	+	}}
3704	+
3705	+	/**
3706	+	* completeAsync completes exceptionally if given supplier throws
3707	+	*/
3708	+	public void testCompleteAsync2() {
3709	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3710	+	CFException ex = new CFException();
3711	+	f.completeAsync(() -> { throw ex; });
3712	+	try {
3713	+	f.join();
3714	+	shouldThrow();
3715	+	} catch (CompletionException success) {}
3716	+	checkCompletedWithWrappedException(f, ex);
3717	+	}
3718	+
3719	+	/**
3720	+	* completeAsync with given executor completes with value of given supplier
3721	+	*/
3722	+	public void testCompleteAsync3() {
3723	+	for (Integer v1 : new Integer[] { 1, null })
3724	+	{
3725	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3726	+	ThreadExecutor executor = new ThreadExecutor();
3727	+	f.completeAsync(() -> v1, executor);
3728	+	assertSame(v1, f.join());
3729	+	checkCompletedNormally(f, v1);
3730	+	assertEquals(1, executor.count.get());
3731	+	}}
3732	+
3733	+	/**
3734	+	* completeAsync with given executor completes exceptionally if
3735	+	* given supplier throws
3736	+	*/
3737	+	public void testCompleteAsync4() {
3738	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3739	+	CFException ex = new CFException();
3740	+	ThreadExecutor executor = new ThreadExecutor();
3741	+	f.completeAsync(() -> { throw ex; }, executor);
3742	+	try {
3743	+	f.join();
3744	+	shouldThrow();
3745	+	} catch (CompletionException success) {}
3746	+	checkCompletedWithWrappedException(f, ex);
3747	+	assertEquals(1, executor.count.get());
3748	+	}
3749	+
3750	+	/**
3751	+	* orTimeout completes with TimeoutException if not complete
3752	+	*/
3753	+	public void testOrTimeout_timesOut() {
3754	+	long timeoutMillis = timeoutMillis();
3755	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3756	+	long startTime = System.nanoTime();
3757	+	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3758	+	checkCompletedWithTimeoutException(f);
3759	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3760	+	}
3761	+
3762	+	/**
3763	+	* orTimeout completes normally if completed before timeout
3764	+	*/
3765	+	public void testOrTimeout_completed() {
3766	+	for (Integer v1 : new Integer[] { 1, null })
3767	+	{
3768	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3769	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3770	+	long startTime = System.nanoTime();
3771	+	f.complete(v1);
3772	+	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3773	+	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3774	+	g.complete(v1);
3775	+	checkCompletedNormally(f, v1);
3776		checkCompletedNormally(g, v1);
3777	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3778	+	}}
3779	+
3780	+	/**
3781	+	* completeOnTimeout completes with given value if not complete
3782	+	*/
3783	+	public void testCompleteOnTimeout_timesOut() {
3784	+	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3785	+	() -> testCompleteOnTimeout_timesOut(null));
3786	+	}
3787	+
3788	+	/**
3789	+	* completeOnTimeout completes with given value if not complete
3790	+	*/
3791	+	public void testCompleteOnTimeout_timesOut(Integer v) {
3792	+	long timeoutMillis = timeoutMillis();
3793	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3794	+	long startTime = System.nanoTime();
3795	+	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3796	+	assertSame(v, f.join());
3797	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3798	+	f.complete(99);         // should have no effect
3799	+	checkCompletedNormally(f, v);
3800	+	}
3801	+
3802	+	/**
3803	+	* completeOnTimeout has no effect if completed within timeout
3804	+	*/
3805	+	public void testCompleteOnTimeout_completed() {
3806	+	for (Integer v1 : new Integer[] { 1, null })
3807	+	{
3808	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3809	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3810	+	long startTime = System.nanoTime();
3811	+	f.complete(v1);
3812	+	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3813	+	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3814	+	g.complete(v1);
3815		checkCompletedNormally(f, v1);
3816	<	assertEquals(1, a.get());
3816	>	checkCompletedNormally(g, v1);
3817	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3818		}}
3819
3820		/**
3821	<	* whenComplete action executes on exceptional completion, propagating
3469	<	* source result.
3821	>	* delayedExecutor returns an executor that delays submission
3822		*/
3823	<	public void testWhenComplete_exceptionalCompletion() {
3823	>	public void testDelayedExecutor() {
3824	>	testInParallel(() -> testDelayedExecutor(null, null),
3825	>	() -> testDelayedExecutor(null, 1),
3826	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3827	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3828	>	}
3829	>
3830	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3831	>	long timeoutMillis = timeoutMillis();
3832	>	// Use an "unreasonably long" long timeout to catch lingering threads
3833	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3834	>	final Executor delayer, longDelayer;
3835	>	if (executor == null) {
3836	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3837	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3838	>	} else {
3839	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3840	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3841	>	}
3842	>	long startTime = System.nanoTime();
3843	>	CompletableFuture<Integer> f =
3844	>	CompletableFuture.supplyAsync(() -> v, delayer);
3845	>	CompletableFuture<Integer> g =
3846	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3847	>
3848	>	assertNull(g.getNow(null));
3849	>
3850	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3851	>	long millisElapsed = millisElapsedSince(startTime);
3852	>	assertTrue(millisElapsed >= timeoutMillis);
3853	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3854	>
3855	>	checkCompletedNormally(f, v);
3856	>
3857	>	checkIncomplete(g);
3858	>	assertTrue(g.cancel(true));
3859	>	}
3860	>
3861	>	//--- tests of implementation details; not part of official tck ---
3862	>
3863	>	Object resultOf(CompletableFuture<?> f) {
3864	>	SecurityManager sm = System.getSecurityManager();
3865	>	if (sm != null) {
3866	>	try {
3867	>	System.setSecurityManager(null);
3868	>	} catch (SecurityException giveUp) {
3869	>	return "Reflection not available";
3870	>	}
3871	>	}
3872	>
3873	>	try {
3874	>	java.lang.reflect.Field resultField
3875	>	= CompletableFuture.class.getDeclaredField("result");
3876	>	resultField.setAccessible(true);
3877	>	return resultField.get(f);
3878	>	} catch (Throwable t) {
3879	>	throw new AssertionError(t);
3880	>	} finally {
3881	>	if (sm != null) System.setSecurityManager(sm);
3882	>	}
3883	>	}
3884	>
3885	>	public void testExceptionPropagationReusesResultObject() {
3886	>	if (!testImplementationDetails) return;
3887		for (ExecutionMode m : ExecutionMode.values())
3888	+	{
3889	+	final CFException ex = new CFException();
3890	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3891	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3892	+
3893	+	final Runnable noopRunnable = new Noop(m);
3894	+	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3895	+	final Function<Integer, Integer> incFunction = new IncFunction(m);
3896	+
3897	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3898	+	= new ArrayList<>();
3899	+
3900	+	funs.add(y -> m.thenRun(y, noopRunnable));
3901	+	funs.add(y -> m.thenAccept(y, noopConsumer));
3902	+	funs.add(y -> m.thenApply(y, incFunction));
3903	+
3904	+	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3905	+	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3906	+	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3907	+
3908	+	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3909	+	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3910	+	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3911	+	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3912	+	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3913	+	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3914	+
3915	+	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3916	+
3917	+	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3918	+
3919	+	funs.add(y -> CompletableFuture.allOf(y));
3920	+	funs.add(y -> CompletableFuture.allOf(y, v42));
3921	+	funs.add(y -> CompletableFuture.allOf(v42, y));
3922	+	funs.add(y -> CompletableFuture.anyOf(y));
3923	+	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3924	+	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3925	+
3926	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3927	+	fun : funs) {
3928	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3929	+	f.completeExceptionally(ex);
3930	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3931	+	checkCompletedWithWrappedException(src, ex);
3932	+	CompletableFuture<?> dep = fun.apply(src);
3933	+	checkCompletedWithWrappedException(dep, ex);
3934	+	assertSame(resultOf(src), resultOf(dep));
3935	+	}
3936	+
3937	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3938	+	fun : funs) {
3939	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3940	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3941	+	CompletableFuture<?> dep = fun.apply(src);
3942	+	f.completeExceptionally(ex);
3943	+	checkCompletedWithWrappedException(src, ex);
3944	+	checkCompletedWithWrappedException(dep, ex);
3945	+	assertSame(resultOf(src), resultOf(dep));
3946	+	}
3947	+
3948	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3949	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3950	+	fun : funs) {
3951	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3952	+	f.cancel(mayInterruptIfRunning);
3953	+	checkCancelled(f);
3954	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3955	+	checkCompletedWithWrappedCancellationException(src);
3956	+	CompletableFuture<?> dep = fun.apply(src);
3957	+	checkCompletedWithWrappedCancellationException(dep);
3958	+	assertSame(resultOf(src), resultOf(dep));
3959	+	}
3960	+
3961	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3962	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3963	+	fun : funs) {
3964	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3965	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3966	+	CompletableFuture<?> dep = fun.apply(src);
3967	+	f.cancel(mayInterruptIfRunning);
3968	+	checkCancelled(f);
3969	+	checkCompletedWithWrappedCancellationException(src);
3970	+	checkCompletedWithWrappedCancellationException(dep);
3971	+	assertSame(resultOf(src), resultOf(dep));
3972	+	}
3973	+	}}
3974	+
3975	+	/**
3976	+	* Minimal completion stages throw UOE for most non-CompletionStage methods
3977	+	*/
3978	+	public void testMinimalCompletionStage_minimality() {
3979	+	if (!testImplementationDetails) return;
3980	+	Function<Method, String> toSignature =
3981	+	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3982	+	Predicate<Method> isNotStatic =
3983	+	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3984	+	List<Method> minimalMethods =
3985	+	Stream.of(Object.class, CompletionStage.class)
3986	+	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3987	+	.filter(isNotStatic)
3988	+	.collect(Collectors.toList());
3989	+	// Methods from CompletableFuture permitted NOT to throw UOE
3990	+	String[] signatureWhitelist = {
3991	+	"newIncompleteFuture[]",
3992	+	"defaultExecutor[]",
3993	+	"minimalCompletionStage[]",
3994	+	"copy[]",
3995	+	};
3996	+	Set<String> permittedMethodSignatures =
3997	+	Stream.concat(minimalMethods.stream().map(toSignature),
3998	+	Stream.of(signatureWhitelist))
3999	+	.collect(Collectors.toSet());
4000	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4001	+	.filter(isNotStatic)
4002	+	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4003	+	.collect(Collectors.toList());
4004	+
4005	+	List<CompletionStage<Integer>> stages = new ArrayList<>();
4006	+	CompletionStage<Integer> min =
4007	+	new CompletableFuture<Integer>().minimalCompletionStage();
4008	+	stages.add(min);
4009	+	stages.add(min.thenApply(x -> x));
4010	+	stages.add(CompletableFuture.completedStage(1));
4011	+	stages.add(CompletableFuture.failedStage(new CFException()));
4012	+
4013	+	List<Method> bugs = new ArrayList<>();
4014	+	for (Method method : allMethods) {
4015	+	Class<?>[] parameterTypes = method.getParameterTypes();
4016	+	Object[] args = new Object[parameterTypes.length];
4017	+	// Manufacture boxed primitives for primitive params
4018	+	for (int i = 0; i < args.length; i++) {
4019	+	Class<?> type = parameterTypes[i];
4020	+	if (parameterTypes[i] == boolean.class)
4021	+	args[i] = false;
4022	+	else if (parameterTypes[i] == int.class)
4023	+	args[i] = 0;
4024	+	else if (parameterTypes[i] == long.class)
4025	+	args[i] = 0L;
4026	+	}
4027	+	for (CompletionStage<Integer> stage : stages) {
4028	+	try {
4029	+	method.invoke(stage, args);
4030	+	bugs.add(method);
4031	+	}
4032	+	catch (java.lang.reflect.InvocationTargetException expected) {
4033	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4034	+	bugs.add(method);
4035	+	// expected.getCause().printStackTrace();
4036	+	}
4037	+	}
4038	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4039	+	}
4040	+	}
4041	+	if (!bugs.isEmpty())
4042	+	throw new Error("Methods did not throw UOE: " + bugs);
4043	+	}
4044	+
4045	+	/**
4046	+	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4047	+	* is completed normally, with the same value, when source is.
4048	+	*/
4049	+	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4050		for (boolean createIncomplete : new boolean[] { true, false })
4051		for (Integer v1 : new Integer[] { 1, null })
4052		{
4053	<	final AtomicInteger a = new AtomicInteger(0);
4054	<	final CFException ex = new CFException();
4055	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4056	<	if (!createIncomplete) f.completeExceptionally(ex);
4057	<	final CompletableFuture<Integer> g = m.whenComplete
4058	<	(f,
4059	<	(Integer x, Throwable t) -> {
4060	<	threadAssertNull(x);
4061	<	threadAssertSame(t, ex);
4062	<	a.getAndIncrement();
4063	<	});
3487	<	if (createIncomplete) f.completeExceptionally(ex);
3488	<	checkCompletedWithWrappedCFException(f, ex);
3489	<	checkCompletedWithWrappedCFException(g, ex);
3490	<	assertEquals(1, a.get());
4053	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4054	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4055	>	if (!createIncomplete) assertTrue(f.complete(v1));
4056	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4057	>	if (createIncomplete) {
4058	>	checkIncomplete(f);
4059	>	checkIncomplete(g);
4060	>	assertTrue(f.complete(v1));
4061	>	}
4062	>	checkCompletedNormally(f, v1);
4063	>	checkCompletedNormally(g, v1);
4064		}}
4065
4066		/**
4067	<	* whenComplete action executes on cancelled source, propagating
4068	<	* CancellationException.
4067	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4068	>	* is completed exceptionally when source is.
4069		*/
4070	<	public void testWhenComplete_sourceCancelled() {
3498	<	for (ExecutionMode m : ExecutionMode.values())
3499	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
4070	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4071		for (boolean createIncomplete : new boolean[] { true, false })
4072		{
4073	<	final AtomicInteger a = new AtomicInteger(0);
4074	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4075	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
4076	<	final CompletableFuture<Integer> g = m.whenComplete
4077	<	(f,
4078	<	(Integer x, Throwable t) -> {
4079	<	threadAssertNull(x);
4080	<	threadAssertTrue(t instanceof CancellationException);
4081	<	a.getAndIncrement();
4082	<	});
4083	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
4073	>	CFException ex = new CFException();
4074	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4075	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4076	>	if (!createIncomplete) f.completeExceptionally(ex);
4077	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4078	>	if (createIncomplete) {
4079	>	checkIncomplete(f);
4080	>	checkIncomplete(g);
4081	>	f.completeExceptionally(ex);
4082	>	}
4083	>	checkCompletedExceptionally(f, ex);
4084	>	checkCompletedWithWrappedException(g, ex);
4085	>	}}
4086
4087	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
4088	<	checkCompletedWithWrappedCancellationException(g);
4089	<	checkCancelled(f);
4090	<	assertEquals(1, a.get());
4087	>	/**
4088	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4089	>	*/
4090	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4091	>	for (Integer v1 : new Integer[] { 1, null })
4092	>	{
4093	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4094	>	CompletionStage minimal = f.minimalCompletionStage();
4095	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4096	>	assertTrue(g.complete(v1));
4097	>	checkCompletedNormally(g, v1);
4098	>	checkIncomplete(f);
4099	>	checkIncomplete(minimal.toCompletableFuture());
4100		}}
4101
4102		/**
4103	<	* If a whenComplete action throws an exception when triggered by
3522	<	* a normal completion, it completes exceptionally
4103	>	* minimalStage.toCompletableFuture().join() awaits completion
4104		*/
4105	<	public void testWhenComplete_actionFailed() {
4105	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4106		for (boolean createIncomplete : new boolean[] { true, false })
3526	–	for (ExecutionMode m : ExecutionMode.values())
4107		for (Integer v1 : new Integer[] { 1, null })
4108		{
4109	<	final AtomicInteger a = new AtomicInteger(0);
4110	<	final CFException ex = new CFException();
4111	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4112	<	if (!createIncomplete) f.complete(v1);
4113	<	final CompletableFuture<Integer> g = m.whenComplete
4114	<	(f,
4115	<	(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());
4109	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4110	>	if (!createIncomplete) assertTrue(f.complete(v1));
4111	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4112	>	if (createIncomplete) assertTrue(f.complete(v1));
4113	>	assertEquals(v1, minimal.toCompletableFuture().join());
4114	>	assertEquals(v1, minimal.toCompletableFuture().get());
4115	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4116		}}
4117
4118		/**
4119	<	* If a whenComplete action throws an exception when triggered by
4120	<	* a source completion that also throws an exception, the source
4121	<	* exception takes precedence.
4119	>	* Completion of a toCompletableFuture copy of a minimal stage
4120	>	* does not complete its source.
4121	>	*/
4122	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4123	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4124	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4125	>	assertTrue(g.toCompletableFuture().complete(1));
4126	>	assertTrue(g.toCompletableFuture().complete(null));
4127	>	assertTrue(g.toCompletableFuture().cancel(true));
4128	>	assertTrue(g.toCompletableFuture().cancel(false));
4129	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4130	>	checkIncomplete(g.toCompletableFuture());
4131	>	f.complete(1);
4132	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4133	>	}
4134	>
4135	>	/** Demo utility method for external reliable toCompletableFuture */
4136	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4137	>	CompletableFuture<T> f = new CompletableFuture<>();
4138	>	stage.handle((T t, Throwable ex) -> {
4139	>	if (ex != null) f.completeExceptionally(ex);
4140	>	else f.complete(t);
4141	>	return null;
4142	>	});
4143	>	return f;
4144	>	}
4145	>
4146	>	/** Demo utility method to join a CompletionStage */
4147	>	static <T> T join(CompletionStage<T> stage) {
4148	>	return toCompletableFuture(stage).join();
4149	>	}
4150	>
4151	>	/**
4152	>	* Joining a minimal stage "by hand" works
4153		*/
4154	<	public void testWhenComplete_actionFailedSourceFailed() {
4154	>	public void testMinimalCompletionStage_join_by_hand() {
4155		for (boolean createIncomplete : new boolean[] { true, false })
3554	–	for (ExecutionMode m : ExecutionMode.values())
4156		for (Integer v1 : new Integer[] { 1, null })
4157		{
4158	<	final AtomicInteger a = new AtomicInteger(0);
4159	<	final CFException ex1 = new CFException();
4160	<	final CFException ex2 = new CFException();
4161	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4158	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4159	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4160	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4161	>	if (!createIncomplete) assertTrue(f.complete(v1));
4162	>	minimal.thenAccept(x -> g.complete(x));
4163	>	if (createIncomplete) assertTrue(f.complete(v1));
4164	>	g.join();
4165	>	checkCompletedNormally(g, v1);
4166	>	checkCompletedNormally(f, v1);
4167	>	assertEquals(v1, join(minimal));
4168	>	}}
4169
4170	<	if (!createIncomplete) f.completeExceptionally(ex1);
4171	<	final CompletableFuture<Integer> g = m.whenComplete
4172	<	(f,
4173	<	(Integer x, Throwable t) -> {
4174	<	threadAssertSame(t, ex1);
4175	<	threadAssertNull(x);
4176	<	a.getAndIncrement();
4177	<	throw ex2;
4178	<	});
4179	<	if (createIncomplete) f.completeExceptionally(ex1);
4170	>	static class Monad {
4171	>	static class ZeroException extends RuntimeException {
4172	>	public ZeroException() { super("monadic zero"); }
4173	>	}
4174	>	// "return", "unit"
4175	>	static <T> CompletableFuture<T> unit(T value) {
4176	>	return completedFuture(value);
4177	>	}
4178	>	// monadic zero ?
4179	>	static <T> CompletableFuture<T> zero() {
4180	>	return failedFuture(new ZeroException());
4181	>	}
4182	>	// >=>
4183	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4184	>	(Function<T, CompletableFuture<U>> f,
4185	>	Function<U, CompletableFuture<V>> g) {
4186	>	return x -> f.apply(x).thenCompose(g);
4187	>	}
4188
4189	<	checkCompletedWithWrappedCFException(f, ex1);
4190	<	checkCompletedWithWrappedCFException(g, ex1);
4191	<	assertEquals(1, a.get());
4189	>	static void assertZero(CompletableFuture<?> f) {
4190	>	try {
4191	>	f.getNow(null);
4192	>	throw new AssertionError("should throw");
4193	>	} catch (CompletionException success) {
4194	>	assertTrue(success.getCause() instanceof ZeroException);
4195	>	}
4196	>	}
4197	>
4198	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4199	>	CompletableFuture<T> g) {
4200	>	T fval = null, gval = null;
4201	>	Throwable fex = null, gex = null;
4202	>
4203	>	try { fval = f.get(); }
4204	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4205	>	catch (Throwable ex) { fex = ex; }
4206	>
4207	>	try { gval = g.get(); }
4208	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4209	>	catch (Throwable ex) { gex = ex; }
4210	>
4211	>	if (fex != null || gex != null)
4212	>	assertSame(fex.getClass(), gex.getClass());
4213	>	else
4214	>	assertEquals(fval, gval);
4215	>	}
4216	>
4217	>	static class PlusFuture<T> extends CompletableFuture<T> {
4218	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4219	>	}
4220	>
4221	>	/** Implements "monadic plus". */
4222	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4223	>	CompletableFuture<? extends T> g) {
4224	>	PlusFuture<T> plus = new PlusFuture<T>();
4225	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4226	>	try {
4227	>	if (ex == null) {
4228	>	if (plus.complete(result))
4229	>	if (plus.firstFailure.get() != null)
4230	>	plus.firstFailure.set(null);
4231	>	}
4232	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4233	>	if (plus.isDone())
4234	>	plus.firstFailure.set(null);
4235	>	}
4236	>	else {
4237	>	// first failure has precedence
4238	>	Throwable first = plus.firstFailure.getAndSet(null);
4239	>
4240	>	// may fail with "Self-suppression not permitted"
4241	>	try { first.addSuppressed(ex); }
4242	>	catch (Exception ignored) {}
4243	>
4244	>	plus.completeExceptionally(first);
4245	>	}
4246	>	} catch (Throwable unexpected) {
4247	>	plus.completeExceptionally(unexpected);
4248	>	}
4249	>	};
4250	>	f.whenComplete(action);
4251	>	g.whenComplete(action);
4252	>	return plus;
4253	>	}
4254	>	}
4255	>
4256	>	/**
4257	>	* CompletableFuture is an additive monad - sort of.
4258	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4259	>	*/
4260	>	public void testAdditiveMonad() throws Throwable {
4261	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4262	>	CompletableFuture<Long> zero = Monad.zero();
4263	>
4264	>	// Some mutually non-commutative functions
4265	>	Function<Long, CompletableFuture<Long>> triple
4266	>	= x -> Monad.unit(3 * x);
4267	>	Function<Long, CompletableFuture<Long>> inc
4268	>	= x -> Monad.unit(x + 1);
4269	>
4270	>	// unit is a right identity: m >>= unit === m
4271	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4272	>	inc.apply(5L));
4273	>	// unit is a left identity: (unit x) >>= f === f x
4274	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4275	>	inc.apply(5L));
4276	>
4277	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4278	>	Monad.assertFutureEquals(
4279	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4280	>	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4281	>
4282	>	// The case for CompletableFuture as an additive monad is weaker...
4283	>
4284	>	// zero is a monadic zero
4285	>	Monad.assertZero(zero);
4286	>
4287	>	// left zero: zero >>= f === zero
4288	>	Monad.assertZero(zero.thenCompose(inc));
4289	>	// right zero: f >>= (\x -> zero) === zero
4290	>	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4291	>
4292	>	// f plus zero === f
4293	>	Monad.assertFutureEquals(Monad.unit(5L),
4294	>	Monad.plus(Monad.unit(5L), zero));
4295	>	// zero plus f === f
4296	>	Monad.assertFutureEquals(Monad.unit(5L),
4297	>	Monad.plus(zero, Monad.unit(5L)));
4298	>	// zero plus zero === zero
4299	>	Monad.assertZero(Monad.plus(zero, zero));
4300	>	{
4301	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4302	>	Monad.unit(8L));
4303	>	// non-determinism
4304	>	assertTrue(f.get() == 5L || f.get() == 8L);
4305	>	}
4306	>
4307	>	CompletableFuture<Long> godot = new CompletableFuture<>();
4308	>	// f plus godot === f (doesn't wait for godot)
4309	>	Monad.assertFutureEquals(Monad.unit(5L),
4310	>	Monad.plus(Monad.unit(5L), godot));
4311	>	// godot plus f === f (doesn't wait for godot)
4312	>	Monad.assertFutureEquals(Monad.unit(5L),
4313	>	Monad.plus(godot, Monad.unit(5L)));
4314	>	}
4315	>
4316	>	/** Test long recursive chains of CompletableFutures with cascading completions */
4317	>	@SuppressWarnings("FutureReturnValueIgnored")
4318	>	public void testRecursiveChains() throws Throwable {
4319	>	for (ExecutionMode m : ExecutionMode.values())
4320	>	for (boolean addDeadEnds : new boolean[] { true, false })
4321	>	{
4322	>	final int val = 42;
4323	>	final int n = expensiveTests ? 1_000 : 2;
4324	>	CompletableFuture<Integer> head = new CompletableFuture<>();
4325	>	CompletableFuture<Integer> tail = head;
4326	>	for (int i = 0; i < n; i++) {
4327	>	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4328	>	tail = m.thenApply(tail, v -> v + 1);
4329	>	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4330	>	tail = m.applyToEither(tail, tail, v -> v + 1);
4331	>	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4332	>	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4333	>	}
4334	>	head.complete(val);
4335	>	assertEquals(val + 3 * n, (int) tail.join());
4336		}}
4337
4338	+	/**
4339	+	* A single CompletableFuture with many dependents.
4340	+	* A demo of scalability - runtime is O(n).
4341	+	*/
4342	+	@SuppressWarnings("FutureReturnValueIgnored")
4343	+	public void testManyDependents() throws Throwable {
4344	+	final int n = expensiveTests ? 1_000_000 : 10;
4345	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4346	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4347	+	final AtomicInteger count = new AtomicInteger(0);
4348	+	for (int i = 0; i < n; i++) {
4349	+	head.thenRun(() -> count.getAndIncrement());
4350	+	head.thenAccept(x -> count.getAndIncrement());
4351	+	head.thenApply(x -> count.getAndIncrement());
4352	+
4353	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4354	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4355	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4356	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4357	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4358	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4359	+
4360	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4361	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4362	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4363	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4364	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4365	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4366	+	}
4367	+	head.complete(null);
4368	+	assertEquals(5 * 3 * n, count.get());
4369	+	}
4370	+
4371	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4372	+	@SuppressWarnings("FutureReturnValueIgnored")
4373	+	public void testCoCompletionGarbageRetention() throws Throwable {
4374	+	final int n = expensiveTests ? 1_000_000 : 10;
4375	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4376	+	CompletableFuture<Integer> f;
4377	+	for (int i = 0; i < n; i++) {
4378	+	f = new CompletableFuture<>();
4379	+	f.runAfterEither(incomplete, () -> {});
4380	+	f.complete(null);
4381	+
4382	+	f = new CompletableFuture<>();
4383	+	f.acceptEither(incomplete, x -> {});
4384	+	f.complete(null);
4385	+
4386	+	f = new CompletableFuture<>();
4387	+	f.applyToEither(incomplete, x -> x);
4388	+	f.complete(null);
4389	+
4390	+	f = new CompletableFuture<>();
4391	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4392	+	f.complete(null);
4393	+	}
4394	+
4395	+	for (int i = 0; i < n; i++) {
4396	+	f = new CompletableFuture<>();
4397	+	incomplete.runAfterEither(f, () -> {});
4398	+	f.complete(null);
4399	+
4400	+	f = new CompletableFuture<>();
4401	+	incomplete.acceptEither(f, x -> {});
4402	+	f.complete(null);
4403	+
4404	+	f = new CompletableFuture<>();
4405	+	incomplete.applyToEither(f, x -> x);
4406	+	f.complete(null);
4407	+
4408	+	f = new CompletableFuture<>();
4409	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4410	+	f.complete(null);
4411	+	}
4412	+	}
4413	+
4414	+	/**
4415	+	* Reproduction recipe for:
4416	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4417	+	* 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
4418	+	*/
4419	+	public void testAnyOfGarbageRetention() throws Throwable {
4420	+	for (Integer v : new Integer[] { 1, null })
4421	+	{
4422	+	final int n = expensiveTests ? 100_000 : 10;
4423	+	CompletableFuture<Integer>[] fs
4424	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4425	+	for (int i = 0; i < fs.length; i++)
4426	+	fs[i] = new CompletableFuture<>();
4427	+	fs[fs.length - 1].complete(v);
4428	+	for (int i = 0; i < n; i++)
4429	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4430	+	}}
4431	+
4432	+	/**
4433	+	* Checks for garbage retention with allOf.
4434	+	*
4435	+	* As of 2016-07, fails with OOME:
4436	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4437	+	*/
4438	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4439	+	final int n = expensiveTests ? 100_000 : 10;
4440	+	CompletableFuture<Integer>[] fs
4441	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4442	+	for (int i = 0; i < fs.length; i++)
4443	+	fs[i] = new CompletableFuture<>();
4444	+	for (int i = 0; i < n; i++)
4445	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4446	+	}
4447	+
4448	+	/**
4449	+	* Checks for garbage retention when a dependent future is
4450	+	* cancelled and garbage-collected.
4451	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4452	+	*
4453	+	* As of 2016-07, fails with OOME:
4454	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4455	+	*/
4456	+	public void testCancelledGarbageRetention() throws Throwable {
4457	+	final int n = expensiveTests ? 100_000 : 10;
4458	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4459	+	for (int i = 0; i < n; i++)
4460	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4461	+	}
4462	+
4463	+	/**
4464	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4465	+	* is invoked many times.
4466	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4467	+	*
4468	+	* As of 2016-07, fails with OOME:
4469	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4470	+	*/
4471	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4472	+	final int n = expensiveTests ? 900_000 : 10;
4473	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4474	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4475	+	for (int i = 0; i < n; i++)
4476	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4477	+	}
4478	+
4479	+	//     static <U> U join(CompletionStage<U> stage) {
4480	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4481	+	//         stage.whenComplete((v, ex) -> {
4482	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4483	+	//         });
4484	+	//         return f.join();
4485	+	//     }
4486	+
4487	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4488	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4489	+	//         stage.whenComplete((v, ex) -> {
4490	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4491	+	//         });
4492	+	//         return f.isDone();
4493	+	//     }
4494	+
4495	+	//     static <U> U join2(CompletionStage<U> stage) {
4496	+	//         return stage.toCompletableFuture().copy().join();
4497	+	//     }
4498	+
4499	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4500	+	//         return stage.toCompletableFuture().copy().isDone();
4501	+	//     }
4502	+
4503		}

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