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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 1.141 by jsr166, Tue Mar 29 04:42:54 2016 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33		import java.util.concurrent.TimeoutException;
34	+	import java.util.concurrent.TimeUnit;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
23	<	import static java.util.concurrent.TimeUnit.SECONDS;
24	<	import java.util.*;
25	<	import java.util.function.Supplier;
26	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
28	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.AssertionFailedError;
45	+	import junit.framework.Test;
46	+	import junit.framework.TestSuite;
47
48		public class CompletableFutureTest extends JSR166TestCase {
49
50		public static void main(String[] args) {
51	<	junit.textui.TestRunner.run(suite());
51	>	main(suite(), args);
52		}
53		public static Test suite() {
54		return new TestSuite(CompletableFutureTest.class);
#	Line 42 | Line 59 | public class CompletableFutureTest exten
59		void checkIncomplete(CompletableFuture<?> f) {
60		assertFalse(f.isDone());
61		assertFalse(f.isCancelled());
62	<	assertTrue(f.toString().contains("[Not completed]"));
62	>	assertTrue(f.toString().contains("Not completed"));
63		try {
64		assertNull(f.getNow(null));
65		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 55 | Line 72 | public class CompletableFutureTest exten
72		}
73
74		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
75	<	try {
76	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
60	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 73 | Line 89 | public class CompletableFutureTest exten
89		assertTrue(f.toString().contains("[Completed normally]"));
90		}
91
92	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
93	<	try {
94	<	f.get(LONG_DELAY_MS, MILLISECONDS);
95	<	shouldThrow();
96	<	} catch (ExecutionException success) {
97	<	assertTrue(success.getCause() instanceof CFException);
98	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
99	<	try {
100	<	f.join();
101	<	shouldThrow();
102	<	} catch (CompletionException success) {
103	<	assertTrue(success.getCause() instanceof CFException);
104	<	}
105	<	try {
106	<	f.getNow(null);
107	<	shouldThrow();
108	<	} catch (CompletionException success) {
93	<	assertTrue(success.getCause() instanceof CFException);
92	>	/**
93	>	* Returns the "raw" internal exceptional completion of f,
94	>	* without any additional wrapping with CompletionException.
95	>	*/
96	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
97	>	// handle (and whenComplete) can distinguish between "direct"
98	>	// and "wrapped" exceptional completion
99	>	return f.handle((U u, Throwable t) -> t).join();
100	>	}
101	>
102	>	void checkCompletedExceptionally(CompletableFuture<?> f,
103	>	boolean wrapped,
104	>	Consumer<Throwable> checker) {
105	>	Throwable cause = exceptionalCompletion(f);
106	>	if (wrapped) {
107	>	assertTrue(cause instanceof CompletionException);
108	>	cause = cause.getCause();
109		}
110	<	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]"));
104	<	}
110	>	checker.accept(cause);
111
112	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
107	<	CFException ex) {
112	>	long startTime = System.nanoTime();
113		try {
114		f.get(LONG_DELAY_MS, MILLISECONDS);
115		shouldThrow();
116		} catch (ExecutionException success) {
117	<	assertSame(ex, success.getCause());
117	>	assertSame(cause, success.getCause());
118		} catch (Throwable fail) { threadUnexpectedException(fail); }
119	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
120	+
121		try {
122		f.join();
123		shouldThrow();
124		} catch (CompletionException success) {
125	<	assertSame(ex, success.getCause());
126	<	}
125	>	assertSame(cause, success.getCause());
126	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
127	>
128		try {
129		f.getNow(null);
130		shouldThrow();
131		} catch (CompletionException success) {
132	<	assertSame(ex, success.getCause());
133	<	}
132	>	assertSame(cause, success.getCause());
133	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
134	>
135		try {
136		f.get();
137		shouldThrow();
138		} catch (ExecutionException success) {
139	<	assertSame(ex, success.getCause());
139	>	assertSame(cause, success.getCause());
140		} catch (Throwable fail) { threadUnexpectedException(fail); }
141	<	assertTrue(f.isDone());
141	>
142		assertFalse(f.isCancelled());
143	+	assertTrue(f.isDone());
144	+	assertTrue(f.isCompletedExceptionally());
145		assertTrue(f.toString().contains("[Completed exceptionally]"));
146		}
147
148	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
149	+	checkCompletedExceptionally(f, true,
150	+	(t) -> assertTrue(t instanceof CFException));
151	+	}
152	+
153	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
154	+	checkCompletedExceptionally(f, true,
155	+	(t) -> assertTrue(t instanceof CancellationException));
156	+	}
157	+
158	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
159	+	checkCompletedExceptionally(f, false,
160	+	(t) -> assertTrue(t instanceof TimeoutException));
161	+	}
162	+
163	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
164	+	Throwable ex) {
165	+	checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex));
166	+	}
167	+
168	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
169	+	checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex));
170	+	}
171	+
172		void checkCancelled(CompletableFuture<?> f) {
173	+	long startTime = System.nanoTime();
174		try {
175		f.get(LONG_DELAY_MS, MILLISECONDS);
176		shouldThrow();
177		} catch (CancellationException success) {
178		} catch (Throwable fail) { threadUnexpectedException(fail); }
179	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
180	+
181		try {
182		f.join();
183		shouldThrow();
#	Line 153 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} 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	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	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); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
188	–	assertFalse(f.isCancelled());
198		assertTrue(f.isCompletedExceptionally());
199	+	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 204 | Line 214 | public class CompletableFutureTest exten
214		* isCancelled, join, get, and getNow
215		*/
216		public void testComplete() {
217	+	for (Integer v1 : new Integer[] { 1, null })
218	+	{
219		CompletableFuture<Integer> f = new CompletableFuture<>();
220		checkIncomplete(f);
221	<	f.complete(one);
222	<	checkCompletedNormally(f, one);
223	<	}
221	>	assertTrue(f.complete(v1));
222	>	assertFalse(f.complete(v1));
223	>	checkCompletedNormally(f, v1);
224	>	}}
225
226		/**
227		* completeExceptionally completes exceptionally, as indicated by
#	Line 216 | Line 229 | public class CompletableFutureTest exten
229		*/
230		public void testCompleteExceptionally() {
231		CompletableFuture<Integer> f = new CompletableFuture<>();
232	+	CFException ex = new CFException();
233		checkIncomplete(f);
234	<	f.completeExceptionally(new CFException());
235	<	checkCompletedWithWrappedCFException(f);
234	>	f.completeExceptionally(ex);
235	>	checkCompletedExceptionally(f, ex);
236		}
237
238		/**
#	Line 226 | Line 240 | public class CompletableFutureTest exten
240		* methods isDone, isCancelled, join, get, and getNow
241		*/
242		public void testCancel() {
243	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
244	+	{
245		CompletableFuture<Integer> f = new CompletableFuture<>();
246		checkIncomplete(f);
247	<	assertTrue(f.cancel(true));
247	>	assertTrue(f.cancel(mayInterruptIfRunning));
248	>	assertTrue(f.cancel(mayInterruptIfRunning));
249	>	assertTrue(f.cancel(!mayInterruptIfRunning));
250		checkCancelled(f);
251	<	}
251	>	}}
252
253		/**
254		* obtrudeValue forces completion with given value
#	Line 238 | Line 256 | public class CompletableFutureTest exten
256		public void testObtrudeValue() {
257		CompletableFuture<Integer> f = new CompletableFuture<>();
258		checkIncomplete(f);
259	<	f.complete(one);
259	>	assertTrue(f.complete(one));
260		checkCompletedNormally(f, one);
261		f.obtrudeValue(three);
262		checkCompletedNormally(f, three);
#	Line 259 | Line 277 | public class CompletableFutureTest exten
277		* obtrudeException forces completion with given exception
278		*/
279		public void testObtrudeException() {
280	<	CompletableFuture<Integer> f = new CompletableFuture<>();
281	<	checkIncomplete(f);
282	<	f.complete(one);
283	<	checkCompletedNormally(f, one);
284	<	f.obtrudeException(new CFException());
267	<	checkCompletedWithWrappedCFException(f);
280	>	for (Integer v1 : new Integer[] { 1, null })
281	>	{
282	>	CFException ex;
283	>	CompletableFuture<Integer> f;
284	>
285		f = new CompletableFuture<>();
286	<	f.obtrudeException(new CFException());
287	<	checkCompletedWithWrappedCFException(f);
286	>	assertTrue(f.complete(v1));
287	>	for (int i = 0; i < 2; i++) {
288	>	f.obtrudeException(ex = new CFException());
289	>	checkCompletedExceptionally(f, ex);
290	>	}
291	>
292		f = new CompletableFuture<>();
293	+	for (int i = 0; i < 2; i++) {
294	+	f.obtrudeException(ex = new CFException());
295	+	checkCompletedExceptionally(f, ex);
296	+	}
297	+
298	+	f = new CompletableFuture<>();
299	+	f.completeExceptionally(ex = new CFException());
300	+	f.obtrudeValue(v1);
301	+	checkCompletedNormally(f, v1);
302	+	f.obtrudeException(ex = new CFException());
303	+	checkCompletedExceptionally(f, ex);
304		f.completeExceptionally(new CFException());
305	<	f.obtrudeValue(four);
306	<	checkCompletedNormally(f, four);
307	<	f.obtrudeException(new CFException());
308	<	checkCompletedWithWrappedCFException(f);
277	<	}
305	>	checkCompletedExceptionally(f, ex);
306	>	assertFalse(f.complete(v1));
307	>	checkCompletedExceptionally(f, ex);
308	>	}}
309
310		/**
311		* getNumberOfDependents returns number of dependent tasks
312		*/
313		public void testGetNumberOfDependents() {
314	+	for (ExecutionMode m : ExecutionMode.values())
315	+	for (Integer v1 : new Integer[] { 1, null })
316	+	{
317		CompletableFuture<Integer> f = new CompletableFuture<>();
318		assertEquals(0, f.getNumberOfDependents());
319	<	CompletableFuture g = f.thenRun(new Noop());
319	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
320		assertEquals(1, f.getNumberOfDependents());
321		assertEquals(0, g.getNumberOfDependents());
322	<	CompletableFuture h = f.thenRun(new Noop());
322	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
323		assertEquals(2, f.getNumberOfDependents());
324	<	f.complete(1);
324	>	assertEquals(0, h.getNumberOfDependents());
325	>	assertTrue(f.complete(v1));
326		checkCompletedNormally(g, null);
327	+	checkCompletedNormally(h, null);
328		assertEquals(0, f.getNumberOfDependents());
329		assertEquals(0, g.getNumberOfDependents());
330	<	}
330	>	assertEquals(0, h.getNumberOfDependents());
331	>	}}
332
333		/**
334		* toString indicates current completion state
#	Line 302 | Line 339 | public class CompletableFutureTest exten
339		f = new CompletableFuture<String>();
340		assertTrue(f.toString().contains("[Not completed]"));
341
342	<	f.complete("foo");
342	>	assertTrue(f.complete("foo"));
343		assertTrue(f.toString().contains("[Completed normally]"));
344
345		f = new CompletableFuture<String>();
346	<	f.completeExceptionally(new IndexOutOfBoundsException());
346	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
347		assertTrue(f.toString().contains("[Completed exceptionally]"));
348	+
349	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
350	+	f = new CompletableFuture<String>();
351	+	assertTrue(f.cancel(mayInterruptIfRunning));
352	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
353	+	}
354		}
355
356		/**
#	Line 318 | Line 361 | public class CompletableFutureTest exten
361		checkCompletedNormally(f, "test");
362		}
363
364	<	// Choose non-commutative actions for better coverage
364	>	abstract class CheckedAction {
365	>	int invocationCount = 0;
366	>	final ExecutionMode m;
367	>	CheckedAction(ExecutionMode m) { this.m = m; }
368	>	void invoked() {
369	>	m.checkExecutionMode();
370	>	assertEquals(0, invocationCount++);
371	>	}
372	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
373	>	void assertInvoked() { assertEquals(1, invocationCount); }
374	>	}
375
376	<	// A non-commutative function that handles and produces null values as well.
377	<	static Integer subtract(Integer x, Integer y) {
378	<	return (x == null && y == null) ? null :
379	<	((x == null) ? 42 : x.intValue())
380	<	- ((y == null) ? 99 : y.intValue());
376	>	abstract class CheckedIntegerAction extends CheckedAction {
377	>	Integer value;
378	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
379	>	void assertValue(Integer expected) {
380	>	assertInvoked();
381	>	assertEquals(expected, value);
382	>	}
383	>	}
384	>
385	>	class IntegerSupplier extends CheckedAction
386	>	implements Supplier<Integer>
387	>	{
388	>	final Integer value;
389	>	IntegerSupplier(ExecutionMode m, Integer value) {
390	>	super(m);
391	>	this.value = value;
392	>	}
393	>	public Integer get() {
394	>	invoked();
395	>	return value;
396	>	}
397		}
398
399		// A function that handles and produces null values as well.
#	Line 332 | Line 401 | public class CompletableFutureTest exten
401		return (x == null) ? null : x + 1;
402		}
403
404	<	static final Supplier<Integer> supplyOne =
405	<	() -> Integer.valueOf(1);
406	<	static final Function<Integer, Integer> inc =
407	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
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;
404	>	class NoopConsumer extends CheckedIntegerAction
405	>	implements Consumer<Integer>
406	>	{
407	>	NoopConsumer(ExecutionMode m) { super(m); }
408		public void accept(Integer x) {
409	<	invocationCount++;
410	<	value = inc(x);
409	>	invoked();
410	>	value = x;
411		}
412		}
413	<	static final class IncFunction implements Function<Integer,Integer> {
414	<	int invocationCount = 0;
415	<	Integer value;
413	>
414	>	class IncFunction extends CheckedIntegerAction
415	>	implements Function<Integer,Integer>
416	>	{
417	>	IncFunction(ExecutionMode m) { super(m); }
418		public Integer apply(Integer x) {
419	<	invocationCount++;
419	>	invoked();
420		return value = inc(x);
421		}
422		}
423	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
424	<	int invocationCount = 0;
425	<	Integer value;
426	<	// Check this action was invoked exactly once when result is computed.
423	>
424	>	// Choose non-commutative actions for better coverage
425	>	// A non-commutative function that handles and produces null values as well.
426	>	static Integer subtract(Integer x, Integer y) {
427	>	return (x == null && y == null) ? null :
428	>	((x == null) ? 42 : x.intValue())
429	>	- ((y == null) ? 99 : y.intValue());
430	>	}
431	>
432	>	class SubtractAction extends CheckedIntegerAction
433	>	implements BiConsumer<Integer, Integer>
434	>	{
435	>	SubtractAction(ExecutionMode m) { super(m); }
436		public void accept(Integer x, Integer y) {
437	<	invocationCount++;
437	>	invoked();
438		value = subtract(x, y);
439		}
440		}
441	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
442	<	int invocationCount = 0;
443	<	Integer value;
444	<	// Check this action was invoked exactly once when result is computed.
441	>
442	>	class SubtractFunction extends CheckedIntegerAction
443	>	implements BiFunction<Integer, Integer, Integer>
444	>	{
445	>	SubtractFunction(ExecutionMode m) { super(m); }
446		public Integer apply(Integer x, Integer y) {
447	<	invocationCount++;
447	>	invoked();
448		return value = subtract(x, y);
449		}
450		}
451	<	static final class Noop implements Runnable {
452	<	int invocationCount = 0;
451	>
452	>	class Noop extends CheckedAction implements Runnable {
453	>	Noop(ExecutionMode m) { super(m); }
454		public void run() {
455	<	invocationCount++;
455	>	invoked();
456		}
457		}
458
459	<	static final class FailingSupplier implements Supplier<Integer> {
460	<	int invocationCount = 0;
459	>	class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	FailingSupplier(ExecutionMode m) { super(m); }
463		public Integer get() {
464	<	invocationCount++;
464	>	invoked();
465		throw new CFException();
466		}
467		}
468	<	static final class FailingConsumer implements Consumer<Integer> {
469	<	int invocationCount = 0;
468	>
469	>	class FailingConsumer extends CheckedIntegerAction
470	>	implements Consumer<Integer>
471	>	{
472	>	FailingConsumer(ExecutionMode m) { super(m); }
473		public void accept(Integer x) {
474	<	invocationCount++;
474	>	invoked();
475	>	value = x;
476		throw new CFException();
477		}
478		}
479	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
480	<	int invocationCount = 0;
479	>
480	>	class FailingBiConsumer extends CheckedIntegerAction
481	>	implements BiConsumer<Integer, Integer>
482	>	{
483	>	FailingBiConsumer(ExecutionMode m) { super(m); }
484		public void accept(Integer x, Integer y) {
485	<	invocationCount++;
485	>	invoked();
486	>	value = subtract(x, y);
487		throw new CFException();
488		}
489		}
490	<	static final class FailingFunction implements Function<Integer, Integer> {
491	<	int invocationCount = 0;
490	>
491	>	class FailingFunction extends CheckedIntegerAction
492	>	implements Function<Integer, Integer>
493	>	{
494	>	FailingFunction(ExecutionMode m) { super(m); }
495		public Integer apply(Integer x) {
496	<	invocationCount++;
496	>	invoked();
497	>	value = x;
498		throw new CFException();
499		}
500		}
501	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
502	<	int invocationCount = 0;
501	>
502	>	class FailingBiFunction extends CheckedIntegerAction
503	>	implements BiFunction<Integer, Integer, Integer>
504	>	{
505	>	FailingBiFunction(ExecutionMode m) { super(m); }
506		public Integer apply(Integer x, Integer y) {
507	<	invocationCount++;
507	>	invoked();
508	>	value = subtract(x, y);
509		throw new CFException();
510		}
511		}
512	<	static final class FailingNoop implements Runnable {
513	<	int invocationCount = 0;
512	>
513	>	class FailingRunnable extends CheckedAction implements Runnable {
514	>	FailingRunnable(ExecutionMode m) { super(m); }
515		public void run() {
516	<	invocationCount++;
516	>	invoked();
517		throw new CFException();
518		}
519		}
520
521	<	static final class CompletableFutureInc
522	<	implements Function<Integer, CompletableFuture<Integer>> {
523	<	int invocationCount = 0;
521	>	class CompletableFutureInc extends CheckedIntegerAction
522	>	implements Function<Integer, CompletableFuture<Integer>>
523	>	{
524	>	CompletableFutureInc(ExecutionMode m) { super(m); }
525		public CompletableFuture<Integer> apply(Integer x) {
526	<	invocationCount++;
526	>	invoked();
527	>	value = x;
528		CompletableFuture<Integer> f = new CompletableFuture<>();
529	<	f.complete(inc(x));
529	>	assertTrue(f.complete(inc(x)));
530		return f;
531		}
532		}
533
534	<	static final class FailingCompletableFutureFunction
535	<	implements Function<Integer, CompletableFuture<Integer>> {
536	<	int invocationCount = 0;
534	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
535	>	implements Function<Integer, CompletableFuture<Integer>>
536	>	{
537	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
538		public CompletableFuture<Integer> apply(Integer x) {
539	<	invocationCount++;
539	>	invoked();
540	>	value = x;
541		throw new CFException();
542		}
543		}
544
545		// Used for explicit executor tests
546		static final class ThreadExecutor implements Executor {
547	<	AtomicInteger count = new AtomicInteger(0);
547	>	final AtomicInteger count = new AtomicInteger(0);
548	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
549	>	static boolean startedCurrentThread() {
550	>	return Thread.currentThread().getThreadGroup() == tg;
551	>	}
552
553		public void execute(Runnable r) {
554		count.getAndIncrement();
555	<	new Thread(r).start();
555	>	new Thread(tg, r).start();
556		}
557		}
558
559	+	static final boolean defaultExecutorIsCommonPool
560	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
561	+
562		/**
563		* Permits the testing of parallel code for the 3 different
564	<	* execution modes without repeating all the testing code.
564	>	* execution modes without copy/pasting all the test methods.
565		*/
566		enum ExecutionMode {
567	<	DEFAULT {
567	>	SYNC {
568	>	public void checkExecutionMode() {
569	>	assertFalse(ThreadExecutor.startedCurrentThread());
570	>	assertNull(ForkJoinTask.getPool());
571	>	}
572	>	public CompletableFuture<Void> runAsync(Runnable a) {
573	>	throw new UnsupportedOperationException();
574	>	}
575	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
576	>	throw new UnsupportedOperationException();
577	>	}
578		public <T> CompletableFuture<Void> thenRun
579		(CompletableFuture<T> f, Runnable a) {
580		return f.thenRun(a);
#	Line 521 | Line 638 | public class CompletableFutureTest exten
638		}
639		},
640
641	<	DEFAULT_ASYNC {
641	>	ASYNC {
642	>	public void checkExecutionMode() {
643	>	assertEquals(defaultExecutorIsCommonPool,
644	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
645	>	}
646	>	public CompletableFuture<Void> runAsync(Runnable a) {
647	>	return CompletableFuture.runAsync(a);
648	>	}
649	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
650	>	return CompletableFuture.supplyAsync(a);
651	>	}
652		public <T> CompletableFuture<Void> thenRun
653		(CompletableFuture<T> f, Runnable a) {
654		return f.thenRunAsync(a);
#	Line 586 | Line 713 | public class CompletableFutureTest exten
713		},
714
715		EXECUTOR {
716	+	public void checkExecutionMode() {
717	+	assertTrue(ThreadExecutor.startedCurrentThread());
718	+	}
719	+	public CompletableFuture<Void> runAsync(Runnable a) {
720	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
721	+	}
722	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
723	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
724	+	}
725		public <T> CompletableFuture<Void> thenRun
726		(CompletableFuture<T> f, Runnable a) {
727		return f.thenRunAsync(a, new ThreadExecutor());
#	Line 649 | Line 785 | public class CompletableFutureTest exten
785		}
786		};
787
788	+	public abstract void checkExecutionMode();
789	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
790	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
791		public abstract <T> CompletableFuture<Void> thenRun
792		(CompletableFuture<T> f, Runnable a);
793		public abstract <T> CompletableFuture<Void> thenAccept
#	Line 698 | Line 837 | public class CompletableFutureTest exten
837		{
838		final AtomicInteger a = new AtomicInteger(0);
839		final CompletableFuture<Integer> f = new CompletableFuture<>();
840	<	if (!createIncomplete) f.complete(v1);
840	>	if (!createIncomplete) assertTrue(f.complete(v1));
841		final CompletableFuture<Integer> g = f.exceptionally
842		((Throwable t) -> {
704	–	// Should not be called
843		a.getAndIncrement();
844	<	throw new AssertionError();
844	>	threadFail("should not be called");
845	>	return null;            // unreached
846		});
847	<	if (createIncomplete) f.complete(v1);
847	>	if (createIncomplete) assertTrue(f.complete(v1));
848
849		checkCompletedNormally(g, v1);
850		checkCompletedNormally(f, v1);
851		assertEquals(0, a.get());
852		}}
853
715	–
854		/**
855		* exceptionally action completes with function value on source
856		* exception
#	Line 727 | Line 865 | public class CompletableFutureTest exten
865		if (!createIncomplete) f.completeExceptionally(ex);
866		final CompletableFuture<Integer> g = f.exceptionally
867		((Throwable t) -> {
868	+	ExecutionMode.SYNC.checkExecutionMode();
869		threadAssertSame(t, ex);
870		a.getAndIncrement();
871		return v1;
#	Line 737 | Line 876 | public class CompletableFutureTest exten
876		assertEquals(1, a.get());
877		}}
878
879	+	/**
880	+	* If an "exceptionally action" throws an exception, it completes
881	+	* exceptionally with that exception
882	+	*/
883		public void testExceptionally_exceptionalCompletionActionFailed() {
884		for (boolean createIncomplete : new boolean[] { true, false })
742	–	for (Integer v1 : new Integer[] { 1, null })
885		{
886		final AtomicInteger a = new AtomicInteger(0);
887		final CFException ex1 = new CFException();
#	Line 748 | Line 890 | public class CompletableFutureTest exten
890		if (!createIncomplete) f.completeExceptionally(ex1);
891		final CompletableFuture<Integer> g = f.exceptionally
892		((Throwable t) -> {
893	+	ExecutionMode.SYNC.checkExecutionMode();
894		threadAssertSame(t, ex1);
895		a.getAndIncrement();
896		throw ex2;
897		});
898		if (createIncomplete) f.completeExceptionally(ex1);
899
900	<	checkCompletedWithWrappedCFException(g, ex2);
900	>	checkCompletedWithWrappedException(g, ex2);
901	>	checkCompletedExceptionally(f, ex1);
902		assertEquals(1, a.get());
903		}}
904
905		/**
906	<	* handle action completes normally with function value on normal
907	<	* completion of source
906	>	* whenComplete action executes on normal completion, propagating
907	>	* source result.
908		*/
909	<	public void testHandle_normalCompletion() {
909	>	public void testWhenComplete_normalCompletion() {
910		for (ExecutionMode m : ExecutionMode.values())
911		for (boolean createIncomplete : new boolean[] { true, false })
912		for (Integer v1 : new Integer[] { 1, null })
913		{
770	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
914		final AtomicInteger a = new AtomicInteger(0);
915	<	if (!createIncomplete) f.complete(v1);
916	<	final CompletableFuture<Integer> g = m.handle
915	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
916	>	if (!createIncomplete) assertTrue(f.complete(v1));
917	>	final CompletableFuture<Integer> g = m.whenComplete
918		(f,
919	<	(Integer x, Throwable t) -> {
920	<	threadAssertSame(x, v1);
919	>	(Integer result, Throwable t) -> {
920	>	m.checkExecutionMode();
921	>	threadAssertSame(result, v1);
922		threadAssertNull(t);
923		a.getAndIncrement();
779	–	return inc(v1);
924		});
925	<	if (createIncomplete) f.complete(v1);
925	>	if (createIncomplete) assertTrue(f.complete(v1));
926
927	<	checkCompletedNormally(g, inc(v1));
927	>	checkCompletedNormally(g, v1);
928		checkCompletedNormally(f, v1);
929		assertEquals(1, a.get());
930		}}
931
932		/**
933	<	* handle action completes normally with function value on
934	<	* exceptional completion of source
933	>	* whenComplete action executes on exceptional completion, propagating
934	>	* source result.
935		*/
936	<	public void testHandle_exceptionalCompletion() {
936	>	public void testWhenComplete_exceptionalCompletion() {
937		for (ExecutionMode m : ExecutionMode.values())
938		for (boolean createIncomplete : new boolean[] { true, false })
795	–	for (Integer v1 : new Integer[] { 1, null })
939		{
797	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
940		final AtomicInteger a = new AtomicInteger(0);
941		final CFException ex = new CFException();
942	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
943		if (!createIncomplete) f.completeExceptionally(ex);
944	<	final CompletableFuture<Integer> g = m.handle
944	>	final CompletableFuture<Integer> g = m.whenComplete
945		(f,
946	<	(Integer x, Throwable t) -> {
947	<	threadAssertNull(x);
946	>	(Integer result, Throwable t) -> {
947	>	m.checkExecutionMode();
948	>	threadAssertNull(result);
949		threadAssertSame(t, ex);
950		a.getAndIncrement();
807	–	return v1;
951		});
952		if (createIncomplete) f.completeExceptionally(ex);
953
954	<	checkCompletedNormally(g, v1);
955	<	checkCompletedWithWrappedCFException(f, ex);
954	>	checkCompletedWithWrappedException(g, ex);
955	>	checkCompletedExceptionally(f, ex);
956		assertEquals(1, a.get());
957		}}
958
959		/**
960	<	* handle action completes normally with function value on
961	<	* cancelled source
960	>	* whenComplete action executes on cancelled source, propagating
961	>	* CancellationException.
962		*/
963	<	public void testHandle_sourceCancelled() {
963	>	public void testWhenComplete_sourceCancelled() {
964		for (ExecutionMode m : ExecutionMode.values())
965		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
966		for (boolean createIncomplete : new boolean[] { true, false })
824	–	for (Integer v1 : new Integer[] { 1, null })
967		{
826	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
968		final AtomicInteger a = new AtomicInteger(0);
969	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
970		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
971	<	final CompletableFuture<Integer> g = m.handle
971	>	final CompletableFuture<Integer> g = m.whenComplete
972		(f,
973	<	(Integer x, Throwable t) -> {
974	<	threadAssertNull(x);
973	>	(Integer result, Throwable t) -> {
974	>	m.checkExecutionMode();
975	>	threadAssertNull(result);
976		threadAssertTrue(t instanceof CancellationException);
977		a.getAndIncrement();
835	–	return v1;
978		});
979		if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
980
981	<	checkCompletedNormally(g, v1);
981	>	checkCompletedWithWrappedCancellationException(g);
982		checkCancelled(f);
983		assertEquals(1, a.get());
984		}}
985
986		/**
987	<	* handle result completes exceptionally if action does
987	>	* If a whenComplete action throws an exception when triggered by
988	>	* a normal completion, it completes exceptionally
989		*/
990	<	public void testHandle_sourceFailedActionFailed() {
848	<	for (ExecutionMode m : ExecutionMode.values())
990	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
991		for (boolean createIncomplete : new boolean[] { true, false })
992	+	for (ExecutionMode m : ExecutionMode.values())
993	+	for (Integer v1 : new Integer[] { 1, null })
994		{
995	+	final AtomicInteger a = new AtomicInteger(0);
996	+	final CFException ex = new CFException();
997		final CompletableFuture<Integer> f = new CompletableFuture<>();
998	+	if (!createIncomplete) assertTrue(f.complete(v1));
999	+	final CompletableFuture<Integer> g = m.whenComplete
1000	+	(f,
1001	+	(Integer result, Throwable t) -> {
1002	+	m.checkExecutionMode();
1003	+	threadAssertSame(result, v1);
1004	+	threadAssertNull(t);
1005	+	a.getAndIncrement();
1006	+	throw ex;
1007	+	});
1008	+	if (createIncomplete) assertTrue(f.complete(v1));
1009	+
1010	+	checkCompletedWithWrappedException(g, ex);
1011	+	checkCompletedNormally(f, v1);
1012	+	assertEquals(1, a.get());
1013	+	}}
1014	+
1015	+	/**
1016	+	* If a whenComplete action throws an exception when triggered by
1017	+	* a source completion that also throws an exception, the source
1018	+	* exception takes precedence (unlike handle)
1019	+	*/
1020	+	public void testWhenComplete_sourceFailedActionFailed() {
1021	+	for (boolean createIncomplete : new boolean[] { true, false })
1022	+	for (ExecutionMode m : ExecutionMode.values())
1023	+	{
1024		final AtomicInteger a = new AtomicInteger(0);
1025		final CFException ex1 = new CFException();
1026		final CFException ex2 = new CFException();
1027	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1028	+
1029		if (!createIncomplete) f.completeExceptionally(ex1);
1030	<	final CompletableFuture<Integer> g = m.handle
1030	>	final CompletableFuture<Integer> g = m.whenComplete
1031		(f,
1032	<	(Integer x, Throwable t) -> {
1033	<	threadAssertNull(x);
1034	<	threadAssertSame(ex1, t);
1032	>	(Integer result, Throwable t) -> {
1033	>	m.checkExecutionMode();
1034	>	threadAssertSame(t, ex1);
1035	>	threadAssertNull(result);
1036		a.getAndIncrement();
1037		throw ex2;
1038		});
1039		if (createIncomplete) f.completeExceptionally(ex1);
1040
1041	<	checkCompletedWithWrappedCFException(g, ex2);
1042	<	checkCompletedWithWrappedCFException(f, ex1);
1041	>	checkCompletedWithWrappedException(g, ex1);
1042	>	checkCompletedExceptionally(f, ex1);
1043	>	if (testImplementationDetails) {
1044	>	assertEquals(1, ex1.getSuppressed().length);
1045	>	assertSame(ex2, ex1.getSuppressed()[0]);
1046	>	}
1047		assertEquals(1, a.get());
1048		}}
1049
1050	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1050	>	/**
1051	>	* handle action completes normally with function value on normal
1052	>	* completion of source
1053	>	*/
1054	>	public void testHandle_normalCompletion() {
1055		for (ExecutionMode m : ExecutionMode.values())
1056		for (boolean createIncomplete : new boolean[] { true, false })
1057		for (Integer v1 : new Integer[] { 1, null })
1058		{
1059		final CompletableFuture<Integer> f = new CompletableFuture<>();
1060		final AtomicInteger a = new AtomicInteger(0);
1061	<	final CFException ex = new CFException();
879	<	if (!createIncomplete) f.complete(v1);
1061	>	if (!createIncomplete) assertTrue(f.complete(v1));
1062		final CompletableFuture<Integer> g = m.handle
1063		(f,
1064	<	(Integer x, Throwable t) -> {
1065	<	threadAssertSame(x, v1);
1064	>	(Integer result, Throwable t) -> {
1065	>	m.checkExecutionMode();
1066	>	threadAssertSame(result, v1);
1067		threadAssertNull(t);
1068		a.getAndIncrement();
1069	<	throw ex;
1069	>	return inc(v1);
1070		});
1071	<	if (createIncomplete) f.complete(v1);
1071	>	if (createIncomplete) assertTrue(f.complete(v1));
1072
1073	<	checkCompletedWithWrappedCFException(g, ex);
1073	>	checkCompletedNormally(g, inc(v1));
1074		checkCompletedNormally(f, v1);
1075		assertEquals(1, a.get());
1076		}}
1077
1078		/**
1079	<	* runAsync completes after running Runnable
1080	<	*/
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
1079	>	* handle action completes normally with function value on
1080	>	* exceptional completion of source
1081		*/
1082	<	public void testThenCombine_normalCompletion1() {
1135	<	for (boolean createIncomplete : new boolean[] { true, false })
1136	<	for (boolean fFirst : new boolean[] { true, false })
1082	>	public void testHandle_exceptionalCompletion() {
1083		for (ExecutionMode m : ExecutionMode.values())
1084	+	for (boolean createIncomplete : new boolean[] { true, false })
1085		for (Integer v1 : new Integer[] { 1, null })
1139	–	for (Integer v2 : new Integer[] { 2, null })
1086		{
1087		final CompletableFuture<Integer> f = new CompletableFuture<>();
1088	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1089	<	final SubtractFunction r = new SubtractFunction();
1090	<	CompletableFuture<Integer> h = null;
1091	<	if (createIncomplete) h = m.thenCombine(f, g, r);
1092	<
1093	<	if (fFirst)
1094	<	f.complete(v1);
1095	<	else
1096	<	g.complete(v2);
1097	<	if (createIncomplete) checkIncomplete(h);
1098	<	assertEquals(0, r.invocationCount);
1099	<	if (!fFirst)
1100	<	f.complete(v1);
1155	<	else
1156	<	g.complete(v2);
1157	<	if (!createIncomplete) h = m.thenCombine(f, g, r);
1088	>	final AtomicInteger a = new AtomicInteger(0);
1089	>	final CFException ex = new CFException();
1090	>	if (!createIncomplete) f.completeExceptionally(ex);
1091	>	final CompletableFuture<Integer> g = m.handle
1092	>	(f,
1093	>	(Integer result, Throwable t) -> {
1094	>	m.checkExecutionMode();
1095	>	threadAssertNull(result);
1096	>	threadAssertSame(t, ex);
1097	>	a.getAndIncrement();
1098	>	return v1;
1099	>	});
1100	>	if (createIncomplete) f.completeExceptionally(ex);
1101
1102	<	checkCompletedNormally(h, subtract(v1, v2));
1103	<	checkCompletedNormally(f, v1);
1104	<	checkCompletedNormally(g, v2);
1162	<	assertEquals(1, r.invocationCount);
1102	>	checkCompletedNormally(g, v1);
1103	>	checkCompletedExceptionally(f, ex);
1104	>	assertEquals(1, a.get());
1105		}}
1106
1107		/**
1108	<	* thenCombine result completes exceptionally after exceptional
1109	<	* completion of either source
1108	>	* handle action completes normally with function value on
1109	>	* cancelled source
1110		*/
1111	<	public void testThenCombine_exceptionalCompletion1() {
1111	>	public void testHandle_sourceCancelled() {
1112		for (ExecutionMode m : ExecutionMode.values())
1113	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1114	+	for (boolean createIncomplete : new boolean[] { true, false })
1115		for (Integer v1 : new Integer[] { 1, null })
1116		{
1117		final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1119	<	final SubtractFunction r = new SubtractFunction();
1120	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1121	<	final CFException ex = new CFException();
1122	<
1123	<	f.completeExceptionally(ex);
1124	<	checkIncomplete(h);
1125	<	g.complete(v1);
1118	>	final AtomicInteger a = new AtomicInteger(0);
1119	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1120	>	final CompletableFuture<Integer> g = m.handle
1121	>	(f,
1122	>	(Integer result, Throwable t) -> {
1123	>	m.checkExecutionMode();
1124	>	threadAssertNull(result);
1125	>	threadAssertTrue(t instanceof CancellationException);
1126	>	a.getAndIncrement();
1127	>	return v1;
1128	>	});
1129	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1130
1183	–	checkCompletedWithWrappedCFException(h, ex);
1184	–	checkCompletedWithWrappedCFException(f, ex);
1185	–	assertEquals(0, r.invocationCount);
1131		checkCompletedNormally(g, v1);
1132	+	checkCancelled(f);
1133	+	assertEquals(1, a.get());
1134		}}
1135
1136	<	public void testThenCombine_exceptionalCompletion2() {
1136	>	/**
1137	>	* If a "handle action" throws an exception when triggered by
1138	>	* a normal completion, it completes exceptionally
1139	>	*/
1140	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1141		for (ExecutionMode m : ExecutionMode.values())
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<>();
1195	<	final SubtractFunction r = new SubtractFunction();
1196	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1146	>	final AtomicInteger a = new AtomicInteger(0);
1147		final CFException ex = new CFException();
1148	+	if (!createIncomplete) assertTrue(f.complete(v1));
1149	+	final CompletableFuture<Integer> g = m.handle
1150	+	(f,
1151	+	(Integer result, Throwable t) -> {
1152	+	m.checkExecutionMode();
1153	+	threadAssertSame(result, v1);
1154	+	threadAssertNull(t);
1155	+	a.getAndIncrement();
1156	+	throw ex;
1157	+	});
1158	+	if (createIncomplete) assertTrue(f.complete(v1));
1159
1160	<	g.completeExceptionally(ex);
1200	<	checkIncomplete(h);
1201	<	f.complete(v1);
1202	<
1203	<	checkCompletedWithWrappedCFException(h, ex);
1204	<	checkCompletedWithWrappedCFException(g, ex);
1205	<	assertEquals(0, r.invocationCount);
1160	>	checkCompletedWithWrappedException(g, ex);
1161		checkCompletedNormally(f, v1);
1162	+	assertEquals(1, a.get());
1163		}}
1164
1165	<	public void testThenCombine_exceptionalCompletion3() {
1165	>	/**
1166	>	* If a "handle action" throws an exception when triggered by
1167	>	* a source completion that also throws an exception, the action
1168	>	* exception takes precedence (unlike whenComplete)
1169	>	*/
1170	>	public void testHandle_sourceFailedActionFailed() {
1171	>	for (boolean createIncomplete : new boolean[] { true, false })
1172		for (ExecutionMode m : ExecutionMode.values())
1211	–	for (Integer v1 : new Integer[] { 1, null })
1173		{
1174	+	final AtomicInteger a = new AtomicInteger(0);
1175	+	final CFException ex1 = new CFException();
1176	+	final CFException ex2 = new CFException();
1177		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();
1178
1179	<	g.completeExceptionally(ex);
1180	<	f.complete(v1);
1181	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1179	>	if (!createIncomplete) f.completeExceptionally(ex1);
1180	>	final CompletableFuture<Integer> g = m.handle
1181	>	(f,
1182	>	(Integer result, Throwable t) -> {
1183	>	m.checkExecutionMode();
1184	>	threadAssertNull(result);
1185	>	threadAssertSame(ex1, t);
1186	>	a.getAndIncrement();
1187	>	throw ex2;
1188	>	});
1189	>	if (createIncomplete) f.completeExceptionally(ex1);
1190
1191	<	checkCompletedWithWrappedCFException(h, ex);
1192	<	checkCompletedWithWrappedCFException(g, ex);
1193	<	assertEquals(0, r.invocationCount);
1225	<	checkCompletedNormally(f, v1);
1191	>	checkCompletedWithWrappedException(g, ex2);
1192	>	checkCompletedExceptionally(f, ex1);
1193	>	assertEquals(1, a.get());
1194		}}
1195
1196	<	public void testThenCombine_exceptionalCompletion4() {
1197	<	for (ExecutionMode m : ExecutionMode.values())
1198	<	for (Integer v1 : new Integer[] { 1, null })
1196	>	/**
1197	>	* runAsync completes after running Runnable
1198	>	*/
1199	>	public void testRunAsync_normalCompletion() {
1200	>	ExecutionMode[] executionModes = {
1201	>	ExecutionMode.ASYNC,
1202	>	ExecutionMode.EXECUTOR,
1203	>	};
1204	>	for (ExecutionMode m : executionModes)
1205		{
1206	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1207	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1208	<	final SubtractFunction r = new SubtractFunction();
1209	<	final CFException ex = new CFException();
1210	<
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);
1206	>	final Noop r = new Noop(m);
1207	>	final CompletableFuture<Void> f = m.runAsync(r);
1208	>	assertNull(f.join());
1209	>	checkCompletedNormally(f, null);
1210	>	r.assertInvoked();
1211		}}
1212
1213		/**
1214	<	* thenCombine result completes exceptionally if action does
1214	>	* failing runAsync completes exceptionally after running Runnable
1215		*/
1216	<	public void testThenCombine_actionFailed1() {
1217	<	for (ExecutionMode m : ExecutionMode.values())
1218	<	for (Integer v1 : new Integer[] { 1, null })
1219	<	for (Integer v2 : new Integer[] { 2, null })
1216	>	public void testRunAsync_exceptionalCompletion() {
1217	>	ExecutionMode[] executionModes = {
1218	>	ExecutionMode.ASYNC,
1219	>	ExecutionMode.EXECUTOR,
1220	>	};
1221	>	for (ExecutionMode m : executionModes)
1222		{
1223	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1224	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1225	<	final FailingBiFunction r = new FailingBiFunction();
1226	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1259	<
1260	<	f.complete(v1);
1261	<	checkIncomplete(h);
1262	<	g.complete(v2);
1263	<
1264	<	checkCompletedWithWrappedCFException(h);
1265	<	checkCompletedNormally(f, v1);
1266	<	checkCompletedNormally(g, v2);
1223	>	final FailingRunnable r = new FailingRunnable(m);
1224	>	final CompletableFuture<Void> f = m.runAsync(r);
1225	>	checkCompletedWithWrappedCFException(f);
1226	>	r.assertInvoked();
1227		}}
1228
1229	<	public void testThenCombine_actionFailed2() {
1230	<	for (ExecutionMode m : ExecutionMode.values())
1229	>	/**
1230	>	* supplyAsync completes with result of supplier
1231	>	*/
1232	>	public void testSupplyAsync_normalCompletion() {
1233	>	ExecutionMode[] executionModes = {
1234	>	ExecutionMode.ASYNC,
1235	>	ExecutionMode.EXECUTOR,
1236	>	};
1237	>	for (ExecutionMode m : executionModes)
1238		for (Integer v1 : new Integer[] { 1, null })
1272	–	for (Integer v2 : new Integer[] { 2, null })
1239		{
1240	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1241	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1242	<	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);
1240	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1241	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1242	>	assertSame(v1, f.join());
1243		checkCompletedNormally(f, v1);
1244	<	checkCompletedNormally(g, v2);
1244	>	r.assertInvoked();
1245		}}
1246
1247		/**
1248	<	* thenCombine result completes exceptionally if either source cancelled
1248	>	* Failing supplyAsync completes exceptionally
1249		*/
1250	<	public void testThenCombine_sourceCancelled1() {
1251	<	for (ExecutionMode m : ExecutionMode.values())
1252	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1253	<	for (Integer v1 : new Integer[] { 1, null })
1250	>	public void testSupplyAsync_exceptionalCompletion() {
1251	>	ExecutionMode[] executionModes = {
1252	>	ExecutionMode.ASYNC,
1253	>	ExecutionMode.EXECUTOR,
1254	>	};
1255	>	for (ExecutionMode m : executionModes)
1256		{
1257	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1258	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1259	<	final SubtractFunction r = new SubtractFunction();
1260	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1300	<
1301	<	assertTrue(f.cancel(mayInterruptIfRunning));
1302	<	checkIncomplete(h);
1303	<	g.complete(v1);
1304	<
1305	<	checkCompletedWithWrappedCancellationException(h);
1306	<	checkCancelled(f);
1307	<	assertEquals(0, r.invocationCount);
1308	<	checkCompletedNormally(g, v1);
1257	>	FailingSupplier r = new FailingSupplier(m);
1258	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1259	>	checkCompletedWithWrappedCFException(f);
1260	>	r.assertInvoked();
1261		}}
1262
1263	<	public void testThenCombine_sourceCancelled2() {
1263	>	// seq completion methods
1264	>
1265	>	/**
1266	>	* thenRun result completes normally after normal completion of source
1267	>	*/
1268	>	public void testThenRun_normalCompletion() {
1269		for (ExecutionMode m : ExecutionMode.values())
1313	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1270		for (Integer v1 : new Integer[] { 1, null })
1271		{
1272		final CompletableFuture<Integer> f = new CompletableFuture<>();
1273	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1274	<	final SubtractFunction r = new SubtractFunction();
1319	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1273	>	final Noop[] rs = new Noop[6];
1274	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1275
1276	<	assertTrue(g.cancel(mayInterruptIfRunning));
1277	<	checkIncomplete(h);
1278	<	f.complete(v1);
1276	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1277	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1278	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1279	>	checkIncomplete(h0);
1280	>	checkIncomplete(h1);
1281	>	checkIncomplete(h2);
1282	>	assertTrue(f.complete(v1));
1283	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1284	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1285	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1286
1287	<	checkCompletedWithWrappedCancellationException(h);
1288	<	checkCancelled(g);
1289	<	assertEquals(0, r.invocationCount);
1287	>	checkCompletedNormally(h0, null);
1288	>	checkCompletedNormally(h1, null);
1289	>	checkCompletedNormally(h2, null);
1290	>	checkCompletedNormally(h3, null);
1291	>	checkCompletedNormally(h4, null);
1292	>	checkCompletedNormally(h5, null);
1293		checkCompletedNormally(f, v1);
1294	+	for (Noop r : rs) r.assertInvoked();
1295		}}
1296
1297	<	public void testThenCombine_sourceCancelled3() {
1297	>	/**
1298	>	* thenRun result completes exceptionally after exceptional
1299	>	* completion of source
1300	>	*/
1301	>	public void testThenRun_exceptionalCompletion() {
1302		for (ExecutionMode m : ExecutionMode.values())
1333	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1334	–	for (Integer v1 : new Integer[] { 1, null })
1303		{
1304	+	final CFException ex = new CFException();
1305		final CompletableFuture<Integer> f = new CompletableFuture<>();
1306	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1307	<	final SubtractFunction r = new SubtractFunction();
1306	>	final Noop[] rs = new Noop[6];
1307	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1308
1309	<	assertTrue(g.cancel(mayInterruptIfRunning));
1310	<	f.complete(v1);
1311	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1312	<
1313	<	checkCompletedWithWrappedCancellationException(h);
1314	<	checkCancelled(g);
1315	<	assertEquals(0, r.invocationCount);
1316	<	checkCompletedNormally(f, v1);
1309	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1310	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1311	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1312	>	checkIncomplete(h0);
1313	>	checkIncomplete(h1);
1314	>	checkIncomplete(h2);
1315	>	assertTrue(f.completeExceptionally(ex));
1316	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1317	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1318	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1319	>
1320	>	checkCompletedWithWrappedException(h0, ex);
1321	>	checkCompletedWithWrappedException(h1, ex);
1322	>	checkCompletedWithWrappedException(h2, ex);
1323	>	checkCompletedWithWrappedException(h3, ex);
1324	>	checkCompletedWithWrappedException(h4, ex);
1325	>	checkCompletedWithWrappedException(h5, ex);
1326	>	checkCompletedExceptionally(f, ex);
1327	>	for (Noop r : rs) r.assertNotInvoked();
1328		}}
1329
1330	<	public void testThenCombine_sourceCancelled4() {
1330	>	/**
1331	>	* thenRun result completes exceptionally if source cancelled
1332	>	*/
1333	>	public void testThenRun_sourceCancelled() {
1334		for (ExecutionMode m : ExecutionMode.values())
1335		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1353	–	for (Integer v1 : new Integer[] { 1, null })
1336		{
1337		final CompletableFuture<Integer> f = new CompletableFuture<>();
1338	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1339	<	final SubtractFunction r = new SubtractFunction();
1338	>	final Noop[] rs = new Noop[6];
1339	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1340
1341	+	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1342	+	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1343	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1344	+	checkIncomplete(h0);
1345	+	checkIncomplete(h1);
1346	+	checkIncomplete(h2);
1347		assertTrue(f.cancel(mayInterruptIfRunning));
1348	<	g.complete(v1);
1349	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1350	<
1351	<	checkCompletedWithWrappedCancellationException(h);
1348	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1349	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1350	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1351	>
1352	>	checkCompletedWithWrappedCancellationException(h0);
1353	>	checkCompletedWithWrappedCancellationException(h1);
1354	>	checkCompletedWithWrappedCancellationException(h2);
1355	>	checkCompletedWithWrappedCancellationException(h3);
1356	>	checkCompletedWithWrappedCancellationException(h4);
1357	>	checkCompletedWithWrappedCancellationException(h5);
1358		checkCancelled(f);
1359	<	assertEquals(0, r.invocationCount);
1366	<	checkCompletedNormally(g, v1);
1359	>	for (Noop r : rs) r.assertNotInvoked();
1360		}}
1361
1362		/**
1363	<	* thenAcceptBoth result completes normally after normal
1371	<	* completion of sources
1363	>	* thenRun result completes exceptionally if action does
1364		*/
1365	<	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() {
1365	>	public void testThenRun_actionFailed() {
1366		for (ExecutionMode m : ExecutionMode.values())
1367		for (Integer v1 : new Integer[] { 1, null })
1397	–	for (Integer v2 : new Integer[] { 2, null })
1398	–	{
1399	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1400	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1401	–	final SubtractAction r = new SubtractAction();
1402	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1403	–
1404	–	g.complete(v2);
1405	–	checkIncomplete(h);
1406	–	assertEquals(0, r.invocationCount);
1407	–	f.complete(v1);
1408	–
1409	–	checkCompletedNormally(h, null);
1410	–	assertEquals(subtract(v1, v2), r.value);
1411	–	checkCompletedNormally(f, v1);
1412	–	checkCompletedNormally(g, v2);
1413	–	}}
1414	–
1415	–	public void testThenAcceptBoth_normalCompletion3() {
1416	–	for (ExecutionMode m : ExecutionMode.values())
1417	–	for (Integer v1 : new Integer[] { 1, null })
1418	–	for (Integer v2 : new Integer[] { 2, null })
1368		{
1369		final CompletableFuture<Integer> f = new CompletableFuture<>();
1370	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1371	<	final SubtractAction r = new SubtractAction();
1370	>	final FailingRunnable[] rs = new FailingRunnable[6];
1371	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1372
1373	<	g.complete(v2);
1374	<	f.complete(v1);
1375	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1373	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1374	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1375	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1376	>	assertTrue(f.complete(v1));
1377	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1378	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1379	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1380
1381	<	checkCompletedNormally(h, null);
1382	<	assertEquals(subtract(v1, v2), r.value);
1381	>	checkCompletedWithWrappedCFException(h0);
1382	>	checkCompletedWithWrappedCFException(h1);
1383	>	checkCompletedWithWrappedCFException(h2);
1384	>	checkCompletedWithWrappedCFException(h3);
1385	>	checkCompletedWithWrappedCFException(h4);
1386	>	checkCompletedWithWrappedCFException(h5);
1387		checkCompletedNormally(f, v1);
1431	–	checkCompletedNormally(g, v2);
1388		}}
1389
1390	<	public void testThenAcceptBoth_normalCompletion4() {
1390	>	/**
1391	>	* thenApply result completes normally after normal completion of source
1392	>	*/
1393	>	public void testThenApply_normalCompletion() {
1394		for (ExecutionMode m : ExecutionMode.values())
1395		for (Integer v1 : new Integer[] { 1, null })
1437	–	for (Integer v2 : new Integer[] { 2, null })
1396		{
1397		final CompletableFuture<Integer> f = new CompletableFuture<>();
1398	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1399	<	final SubtractAction r = new SubtractAction();
1398	>	final IncFunction[] rs = new IncFunction[4];
1399	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1400
1401	<	f.complete(v1);
1402	<	g.complete(v2);
1403	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1401	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1402	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1403	>	checkIncomplete(h0);
1404	>	checkIncomplete(h1);
1405	>	assertTrue(f.complete(v1));
1406	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1407	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1408
1409	<	checkCompletedNormally(h, null);
1410	<	assertEquals(subtract(v1, v2), r.value);
1409	>	checkCompletedNormally(h0, inc(v1));
1410	>	checkCompletedNormally(h1, inc(v1));
1411	>	checkCompletedNormally(h2, inc(v1));
1412	>	checkCompletedNormally(h3, inc(v1));
1413		checkCompletedNormally(f, v1);
1414	<	checkCompletedNormally(g, v2);
1414	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1415		}}
1416
1417		/**
1418	<	* thenAcceptBoth result completes exceptionally after exceptional
1419	<	* completion of either source
1418	>	* thenApply result completes exceptionally after exceptional
1419	>	* completion of source
1420		*/
1421	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1421	>	public void testThenApply_exceptionalCompletion() {
1422		for (ExecutionMode m : ExecutionMode.values())
1459	–	for (Integer v1 : new Integer[] { 1, null })
1423		{
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);
1424		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	–	{
1425		final CompletableFuture<Integer> f = new CompletableFuture<>();
1426	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1427	<	final SubtractAction r = new SubtractAction();
1484	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1485	<	final CFException ex = new CFException();
1426	>	final IncFunction[] rs = new IncFunction[4];
1427	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1428
1429	<	g.completeExceptionally(ex);
1430	<	checkIncomplete(h);
1431	<	f.complete(v1);
1429	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1430	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1431	>	assertTrue(f.completeExceptionally(ex));
1432	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1433	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1434
1435	<	checkCompletedWithWrappedCFException(h, ex);
1436	<	checkCompletedWithWrappedCFException(g, ex);
1437	<	assertEquals(0, r.invocationCount);
1438	<	checkCompletedNormally(f, v1);
1435	>	checkCompletedWithWrappedException(h0, ex);
1436	>	checkCompletedWithWrappedException(h1, ex);
1437	>	checkCompletedWithWrappedException(h2, ex);
1438	>	checkCompletedWithWrappedException(h3, ex);
1439	>	checkCompletedExceptionally(f, ex);
1440	>	for (IncFunction r : rs) r.assertNotInvoked();
1441		}}
1442
1443	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1443	>	/**
1444	>	* thenApply result completes exceptionally if source cancelled
1445	>	*/
1446	>	public void testThenApply_sourceCancelled() {
1447		for (ExecutionMode m : ExecutionMode.values())
1448	<	for (Integer v1 : new Integer[] { 1, null })
1448	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1449		{
1450		final CompletableFuture<Integer> f = new CompletableFuture<>();
1451	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1452	<	final SubtractAction r = new SubtractAction();
1504	<	final CFException ex = new CFException();
1451	>	final IncFunction[] rs = new IncFunction[4];
1452	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1453
1454	<	g.completeExceptionally(ex);
1455	<	f.complete(v1);
1456	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1454	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1455	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1456	>	assertTrue(f.cancel(mayInterruptIfRunning));
1457	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1458	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1459
1460	<	checkCompletedWithWrappedCFException(h, ex);
1461	<	checkCompletedWithWrappedCFException(g, ex);
1462	<	assertEquals(0, r.invocationCount);
1463	<	checkCompletedNormally(f, v1);
1460	>	checkCompletedWithWrappedCancellationException(h0);
1461	>	checkCompletedWithWrappedCancellationException(h1);
1462	>	checkCompletedWithWrappedCancellationException(h2);
1463	>	checkCompletedWithWrappedCancellationException(h3);
1464	>	checkCancelled(f);
1465	>	for (IncFunction r : rs) r.assertNotInvoked();
1466		}}
1467
1468	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1468	>	/**
1469	>	* thenApply result completes exceptionally if action does
1470	>	*/
1471	>	public void testThenApply_actionFailed() {
1472		for (ExecutionMode m : ExecutionMode.values())
1473		for (Integer v1 : new Integer[] { 1, null })
1474		{
1475		final CompletableFuture<Integer> f = new CompletableFuture<>();
1476	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1477	<	final SubtractAction r = new SubtractAction();
1523	<	final CFException ex = new CFException();
1476	>	final FailingFunction[] rs = new FailingFunction[4];
1477	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1478
1479	<	f.completeExceptionally(ex);
1480	<	g.complete(v1);
1481	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1479	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1480	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1481	>	assertTrue(f.complete(v1));
1482	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1483	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1484
1485	<	checkCompletedWithWrappedCFException(h, ex);
1486	<	checkCompletedWithWrappedCFException(f, ex);
1487	<	assertEquals(0, r.invocationCount);
1488	<	checkCompletedNormally(g, v1);
1485	>	checkCompletedWithWrappedCFException(h0);
1486	>	checkCompletedWithWrappedCFException(h1);
1487	>	checkCompletedWithWrappedCFException(h2);
1488	>	checkCompletedWithWrappedCFException(h3);
1489	>	checkCompletedNormally(f, v1);
1490		}}
1491
1492		/**
1493	<	* thenAcceptBoth result completes exceptionally if action does
1493	>	* thenAccept result completes normally after normal completion of source
1494		*/
1495	<	public void testThenAcceptBoth_actionFailed1() {
1495	>	public void testThenAccept_normalCompletion() {
1496		for (ExecutionMode m : ExecutionMode.values())
1497		for (Integer v1 : new Integer[] { 1, null })
1541	–	for (Integer v2 : new Integer[] { 2, null })
1498		{
1499		final CompletableFuture<Integer> f = new CompletableFuture<>();
1500	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1501	<	final FailingBiConsumer r = new FailingBiConsumer();
1546	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1500	>	final NoopConsumer[] rs = new NoopConsumer[4];
1501	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1502
1503	<	f.complete(v1);
1504	<	checkIncomplete(h);
1505	<	g.complete(v2);
1503	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1504	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1505	>	checkIncomplete(h0);
1506	>	checkIncomplete(h1);
1507	>	assertTrue(f.complete(v1));
1508	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1509	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1510
1511	<	checkCompletedWithWrappedCFException(h);
1511	>	checkCompletedNormally(h0, null);
1512	>	checkCompletedNormally(h1, null);
1513	>	checkCompletedNormally(h2, null);
1514	>	checkCompletedNormally(h3, null);
1515		checkCompletedNormally(f, v1);
1516	<	checkCompletedNormally(g, v2);
1516	>	for (NoopConsumer r : rs) r.assertValue(v1);
1517		}}
1518
1519	<	public void testThenAcceptBoth_actionFailed2() {
1519	>	/**
1520	>	* thenAccept result completes exceptionally after exceptional
1521	>	* completion of source
1522	>	*/
1523	>	public void testThenAccept_exceptionalCompletion() {
1524		for (ExecutionMode m : ExecutionMode.values())
1559	–	for (Integer v1 : new Integer[] { 1, null })
1560	–	for (Integer v2 : new Integer[] { 2, null })
1525		{
1526	+	final CFException ex = new CFException();
1527		final CompletableFuture<Integer> f = new CompletableFuture<>();
1528	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1529	<	final FailingBiConsumer r = new FailingBiConsumer();
1565	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1528	>	final NoopConsumer[] rs = new NoopConsumer[4];
1529	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1530
1531	<	g.complete(v2);
1532	<	checkIncomplete(h);
1533	<	f.complete(v1);
1531	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1532	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1533	>	assertTrue(f.completeExceptionally(ex));
1534	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1535	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1536
1537	<	checkCompletedWithWrappedCFException(h);
1538	<	checkCompletedNormally(f, v1);
1539	<	checkCompletedNormally(g, v2);
1537	>	checkCompletedWithWrappedException(h0, ex);
1538	>	checkCompletedWithWrappedException(h1, ex);
1539	>	checkCompletedWithWrappedException(h2, ex);
1540	>	checkCompletedWithWrappedException(h3, ex);
1541	>	checkCompletedExceptionally(f, ex);
1542	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1543		}}
1544
1545		/**
1546	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1546	>	* thenAccept result completes exceptionally if source cancelled
1547		*/
1548	<	public void testThenAcceptBoth_sourceCancelled1() {
1548	>	public void testThenAccept_sourceCancelled() {
1549		for (ExecutionMode m : ExecutionMode.values())
1550		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1582	–	for (Integer v1 : new Integer[] { 1, null })
1551		{
1552		final CompletableFuture<Integer> f = new CompletableFuture<>();
1553	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1554	<	final SubtractAction r = new SubtractAction();
1587	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1553	>	final NoopConsumer[] rs = new NoopConsumer[4];
1554	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1555
1556	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1557	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1558		assertTrue(f.cancel(mayInterruptIfRunning));
1559	<	checkIncomplete(h);
1560	<	g.complete(v1);
1559	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1560	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1561
1562	<	checkCompletedWithWrappedCancellationException(h);
1562	>	checkCompletedWithWrappedCancellationException(h0);
1563	>	checkCompletedWithWrappedCancellationException(h1);
1564	>	checkCompletedWithWrappedCancellationException(h2);
1565	>	checkCompletedWithWrappedCancellationException(h3);
1566		checkCancelled(f);
1567	<	assertEquals(0, r.invocationCount);
1596	<	checkCompletedNormally(g, v1);
1567	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1568		}}
1569
1570	<	public void testThenAcceptBoth_sourceCancelled2() {
1570	>	/**
1571	>	* thenAccept result completes exceptionally if action does
1572	>	*/
1573	>	public void testThenAccept_actionFailed() {
1574		for (ExecutionMode m : ExecutionMode.values())
1601	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1575		for (Integer v1 : new Integer[] { 1, null })
1576		{
1577		final CompletableFuture<Integer> f = new CompletableFuture<>();
1578	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1579	<	final SubtractAction r = new SubtractAction();
1607	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1578	>	final FailingConsumer[] rs = new FailingConsumer[4];
1579	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1580
1581	<	assertTrue(g.cancel(mayInterruptIfRunning));
1582	<	checkIncomplete(h);
1583	<	f.complete(v1);
1581	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1582	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1583	>	assertTrue(f.complete(v1));
1584	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1585	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1586
1587	<	checkCompletedWithWrappedCancellationException(h);
1588	<	checkCancelled(g);
1589	<	assertEquals(0, r.invocationCount);
1587	>	checkCompletedWithWrappedCFException(h0);
1588	>	checkCompletedWithWrappedCFException(h1);
1589	>	checkCompletedWithWrappedCFException(h2);
1590	>	checkCompletedWithWrappedCFException(h3);
1591		checkCompletedNormally(f, v1);
1592		}}
1593
1594	<	public void testThenAcceptBoth_sourceCancelled3() {
1594	>	/**
1595	>	* thenCombine result completes normally after normal completion
1596	>	* of sources
1597	>	*/
1598	>	public void testThenCombine_normalCompletion() {
1599		for (ExecutionMode m : ExecutionMode.values())
1600	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1600	>	for (boolean fFirst : new boolean[] { true, false })
1601		for (Integer v1 : new Integer[] { 1, null })
1602	+	for (Integer v2 : new Integer[] { 2, null })
1603		{
1604		final CompletableFuture<Integer> f = new CompletableFuture<>();
1605		final CompletableFuture<Integer> g = new CompletableFuture<>();
1606	<	final SubtractAction r = new SubtractAction();
1606	>	final SubtractFunction[] rs = new SubtractFunction[6];
1607	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1608
1609	<	assertTrue(g.cancel(mayInterruptIfRunning));
1610	<	f.complete(v1);
1611	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1609	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1610	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1611	>	final Integer w1 =  fFirst ? v1 : v2;
1612	>	final Integer w2 = !fFirst ? v1 : v2;
1613	>
1614	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1615	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1616	>	assertTrue(fst.complete(w1));
1617	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1618	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1619	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1620	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1621	>	checkCompletedNormally(h1, subtract(w1, w1));
1622	>	checkCompletedNormally(h3, subtract(w1, w1));
1623	>	rs[1].assertValue(subtract(w1, w1));
1624	>	rs[3].assertValue(subtract(w1, w1));
1625	>	assertTrue(snd.complete(w2));
1626	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1627	>
1628	>	checkCompletedNormally(h0, subtract(v1, v2));
1629	>	checkCompletedNormally(h2, subtract(v1, v2));
1630	>	checkCompletedNormally(h4, subtract(v1, v2));
1631	>	rs[0].assertValue(subtract(v1, v2));
1632	>	rs[2].assertValue(subtract(v1, v2));
1633	>	rs[4].assertValue(subtract(v1, v2));
1634
1632	–	checkCompletedWithWrappedCancellationException(h);
1633	–	checkCancelled(g);
1634	–	assertEquals(0, r.invocationCount);
1635		checkCompletedNormally(f, v1);
1636	+	checkCompletedNormally(g, v2);
1637		}}
1638
1639	<	public void testThenAcceptBoth_sourceCancelled4() {
1639	>	/**
1640	>	* thenCombine result completes exceptionally after exceptional
1641	>	* completion of either source
1642	>	*/
1643	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1644		for (ExecutionMode m : ExecutionMode.values())
1645	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1645	>	for (boolean fFirst : new boolean[] { true, false })
1646	>	for (boolean failFirst : new boolean[] { true, false })
1647		for (Integer v1 : new Integer[] { 1, null })
1648		{
1649		final CompletableFuture<Integer> f = new CompletableFuture<>();
1650		final CompletableFuture<Integer> g = new CompletableFuture<>();
1651	<	final SubtractAction r = new SubtractAction();
1652	<
1653	<	assertTrue(f.cancel(mayInterruptIfRunning));
1654	<	g.complete(v1);
1655	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1656	<
1657	<	checkCompletedWithWrappedCancellationException(h);
1658	<	checkCancelled(f);
1659	<	assertEquals(0, r.invocationCount);
1660	<	checkCompletedNormally(g, v1);
1651	>	final CFException ex = new CFException();
1652	>	final SubtractFunction r1 = new SubtractFunction(m);
1653	>	final SubtractFunction r2 = new SubtractFunction(m);
1654	>	final SubtractFunction r3 = new SubtractFunction(m);
1655	>
1656	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1657	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1658	>	final Callable<Boolean> complete1 = failFirst ?
1659	>	() -> fst.completeExceptionally(ex) :
1660	>	() -> fst.complete(v1);
1661	>	final Callable<Boolean> complete2 = failFirst ?
1662	>	() -> snd.complete(v1) :
1663	>	() -> snd.completeExceptionally(ex);
1664	>
1665	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1666	>	assertTrue(complete1.call());
1667	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1668	>	checkIncomplete(h1);
1669	>	checkIncomplete(h2);
1670	>	assertTrue(complete2.call());
1671	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1672	>
1673	>	checkCompletedWithWrappedException(h1, ex);
1674	>	checkCompletedWithWrappedException(h2, ex);
1675	>	checkCompletedWithWrappedException(h3, ex);
1676	>	r1.assertNotInvoked();
1677	>	r2.assertNotInvoked();
1678	>	r3.assertNotInvoked();
1679	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1680	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1681		}}
1682
1683		/**
1684	<	* runAfterBoth result completes normally after normal
1659	<	* completion of sources
1684	>	* thenCombine result completes exceptionally if either source cancelled
1685		*/
1686	<	public void testRunAfterBoth_normalCompletion1() {
1686	>	public void testThenCombine_sourceCancelled() throws Throwable {
1687		for (ExecutionMode m : ExecutionMode.values())
1688	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1689	+	for (boolean fFirst : new boolean[] { true, false })
1690	+	for (boolean failFirst : new boolean[] { true, false })
1691		for (Integer v1 : new Integer[] { 1, null })
1664	–	for (Integer v2 : new Integer[] { 2, null })
1692		{
1693		final CompletableFuture<Integer> f = new CompletableFuture<>();
1694		final CompletableFuture<Integer> g = new CompletableFuture<>();
1695	<	final Noop r = new Noop();
1696	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1697	<
1698	<	f.complete(v1);
1699	<	checkIncomplete(h);
1700	<	assertEquals(0, r.invocationCount);
1701	<	g.complete(v2);
1702	<
1703	<	checkCompletedNormally(h, null);
1704	<	assertEquals(1, r.invocationCount);
1705	<	checkCompletedNormally(f, v1);
1706	<	checkCompletedNormally(g, v2);
1695	>	final SubtractFunction r1 = new SubtractFunction(m);
1696	>	final SubtractFunction r2 = new SubtractFunction(m);
1697	>	final SubtractFunction r3 = new SubtractFunction(m);
1698	>
1699	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1700	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1701	>	final Callable<Boolean> complete1 = failFirst ?
1702	>	() -> fst.cancel(mayInterruptIfRunning) :
1703	>	() -> fst.complete(v1);
1704	>	final Callable<Boolean> complete2 = failFirst ?
1705	>	() -> snd.complete(v1) :
1706	>	() -> snd.cancel(mayInterruptIfRunning);
1707	>
1708	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1709	>	assertTrue(complete1.call());
1710	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1711	>	checkIncomplete(h1);
1712	>	checkIncomplete(h2);
1713	>	assertTrue(complete2.call());
1714	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1715	>
1716	>	checkCompletedWithWrappedCancellationException(h1);
1717	>	checkCompletedWithWrappedCancellationException(h2);
1718	>	checkCompletedWithWrappedCancellationException(h3);
1719	>	r1.assertNotInvoked();
1720	>	r2.assertNotInvoked();
1721	>	r3.assertNotInvoked();
1722	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1723	>	checkCancelled(failFirst ? fst : snd);
1724		}}
1725
1726	<	public void testRunAfterBoth_normalCompletion2() {
1726	>	/**
1727	>	* thenCombine result completes exceptionally if action does
1728	>	*/
1729	>	public void testThenCombine_actionFailed() {
1730		for (ExecutionMode m : ExecutionMode.values())
1731	+	for (boolean fFirst : new boolean[] { true, false })
1732		for (Integer v1 : new Integer[] { 1, null })
1733		for (Integer v2 : new Integer[] { 2, null })
1734		{
1735		final CompletableFuture<Integer> f = new CompletableFuture<>();
1736		final CompletableFuture<Integer> g = new CompletableFuture<>();
1737	<	final Noop r = new Noop();
1738	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1739	<
1740	<	g.complete(v2);
1741	<	checkIncomplete(h);
1742	<	assertEquals(0, r.invocationCount);
1743	<	f.complete(v1);
1744	<
1745	<	checkCompletedNormally(h, null);
1746	<	assertEquals(1, r.invocationCount);
1737	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1738	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1739	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1740	>
1741	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1742	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1743	>	final Integer w1 =  fFirst ? v1 : v2;
1744	>	final Integer w2 = !fFirst ? v1 : v2;
1745	>
1746	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1747	>	assertTrue(fst.complete(w1));
1748	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1749	>	assertTrue(snd.complete(w2));
1750	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1751	>
1752	>	checkCompletedWithWrappedCFException(h1);
1753	>	checkCompletedWithWrappedCFException(h2);
1754	>	checkCompletedWithWrappedCFException(h3);
1755	>	r1.assertInvoked();
1756	>	r2.assertInvoked();
1757	>	r3.assertInvoked();
1758		checkCompletedNormally(f, v1);
1759		checkCompletedNormally(g, v2);
1760		}}
1761
1762	<	public void testRunAfterBoth_normalCompletion3() {
1763	<	for (ExecutionMode m : ExecutionMode.values())
1764	<	for (Integer v1 : new Integer[] { 1, null })
1765	<	for (Integer v2 : new Integer[] { 2, null })
1766	<	{
1708	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1709	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1710	<	final Noop r = new Noop();
1711	<
1712	<	g.complete(v2);
1713	<	f.complete(v1);
1714	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1715	<
1716	<	checkCompletedNormally(h, null);
1717	<	assertEquals(1, r.invocationCount);
1718	<	checkCompletedNormally(f, v1);
1719	<	checkCompletedNormally(g, v2);
1720	<	}}
1721	<
1722	<	public void testRunAfterBoth_normalCompletion4() {
1762	>	/**
1763	>	* thenAcceptBoth result completes normally after normal
1764	>	* completion of sources
1765	>	*/
1766	>	public void testThenAcceptBoth_normalCompletion() {
1767		for (ExecutionMode m : ExecutionMode.values())
1768	+	for (boolean fFirst : new boolean[] { true, false })
1769		for (Integer v1 : new Integer[] { 1, null })
1770		for (Integer v2 : new Integer[] { 2, null })
1771		{
1772		final CompletableFuture<Integer> f = new CompletableFuture<>();
1773		final CompletableFuture<Integer> g = new CompletableFuture<>();
1774	<	final Noop r = new Noop();
1775	<
1776	<	f.complete(v1);
1777	<	g.complete(v2);
1778	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1779	<
1780	<	checkCompletedNormally(h, null);
1781	<	assertEquals(1, r.invocationCount);
1774	>	final SubtractAction r1 = new SubtractAction(m);
1775	>	final SubtractAction r2 = new SubtractAction(m);
1776	>	final SubtractAction r3 = new SubtractAction(m);
1777	>
1778	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1779	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1780	>	final Integer w1 =  fFirst ? v1 : v2;
1781	>	final Integer w2 = !fFirst ? v1 : v2;
1782	>
1783	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1784	>	assertTrue(fst.complete(w1));
1785	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1786	>	checkIncomplete(h1);
1787	>	checkIncomplete(h2);
1788	>	r1.assertNotInvoked();
1789	>	r2.assertNotInvoked();
1790	>	assertTrue(snd.complete(w2));
1791	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1792	>
1793	>	checkCompletedNormally(h1, null);
1794	>	checkCompletedNormally(h2, null);
1795	>	checkCompletedNormally(h3, null);
1796	>	r1.assertValue(subtract(v1, v2));
1797	>	r2.assertValue(subtract(v1, v2));
1798	>	r3.assertValue(subtract(v1, v2));
1799		checkCompletedNormally(f, v1);
1800		checkCompletedNormally(g, v2);
1801		}}
1802
1803		/**
1804	<	* runAfterBoth result completes exceptionally after exceptional
1804	>	* thenAcceptBoth result completes exceptionally after exceptional
1805		* completion of either source
1806		*/
1807	<	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() {
1807	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1808		for (ExecutionMode m : ExecutionMode.values())
1809	+	for (boolean fFirst : new boolean[] { true, false })
1810	+	for (boolean failFirst : new boolean[] { true, false })
1811		for (Integer v1 : new Integer[] { 1, null })
1812		{
1813		final CompletableFuture<Integer> f = new CompletableFuture<>();
1814		final CompletableFuture<Integer> g = new CompletableFuture<>();
1791	–	final Noop r = new Noop();
1815		final CFException ex = new CFException();
1816	<
1817	<	g.completeExceptionally(ex);
1818	<	f.complete(v1);
1819	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1820	<
1821	<	checkCompletedWithWrappedCFException(h, ex);
1822	<	checkCompletedWithWrappedCFException(g, ex);
1823	<	assertEquals(0, r.invocationCount);
1824	<	checkCompletedNormally(f, v1);
1816	>	final SubtractAction r1 = new SubtractAction(m);
1817	>	final SubtractAction r2 = new SubtractAction(m);
1818	>	final SubtractAction r3 = new SubtractAction(m);
1819	>
1820	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1821	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1822	>	final Callable<Boolean> complete1 = failFirst ?
1823	>	() -> fst.completeExceptionally(ex) :
1824	>	() -> fst.complete(v1);
1825	>	final Callable<Boolean> complete2 = failFirst ?
1826	>	() -> snd.complete(v1) :
1827	>	() -> snd.completeExceptionally(ex);
1828	>
1829	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1830	>	assertTrue(complete1.call());
1831	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1832	>	checkIncomplete(h1);
1833	>	checkIncomplete(h2);
1834	>	assertTrue(complete2.call());
1835	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1836	>
1837	>	checkCompletedWithWrappedException(h1, ex);
1838	>	checkCompletedWithWrappedException(h2, ex);
1839	>	checkCompletedWithWrappedException(h3, ex);
1840	>	r1.assertNotInvoked();
1841	>	r2.assertNotInvoked();
1842	>	r3.assertNotInvoked();
1843	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1844	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1845		}}
1846
1847	<	public void testRunAfterBoth_exceptionalCompletion4() {
1847	>	/**
1848	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1849	>	*/
1850	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1851		for (ExecutionMode m : ExecutionMode.values())
1852	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1853	+	for (boolean fFirst : new boolean[] { true, false })
1854	+	for (boolean failFirst : new boolean[] { true, false })
1855		for (Integer v1 : new Integer[] { 1, null })
1856		{
1857		final CompletableFuture<Integer> f = new CompletableFuture<>();
1858		final CompletableFuture<Integer> g = new CompletableFuture<>();
1859	<	final Noop r = new Noop();
1860	<	final CFException ex = new CFException();
1861	<
1862	<	f.completeExceptionally(ex);
1863	<	g.complete(v1);
1864	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1865	<
1866	<	checkCompletedWithWrappedCFException(h, ex);
1867	<	checkCompletedWithWrappedCFException(f, ex);
1868	<	assertEquals(0, r.invocationCount);
1869	<	checkCompletedNormally(g, v1);
1859	>	final SubtractAction r1 = new SubtractAction(m);
1860	>	final SubtractAction r2 = new SubtractAction(m);
1861	>	final SubtractAction r3 = new SubtractAction(m);
1862	>
1863	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1864	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1865	>	final Callable<Boolean> complete1 = failFirst ?
1866	>	() -> fst.cancel(mayInterruptIfRunning) :
1867	>	() -> fst.complete(v1);
1868	>	final Callable<Boolean> complete2 = failFirst ?
1869	>	() -> snd.complete(v1) :
1870	>	() -> snd.cancel(mayInterruptIfRunning);
1871	>
1872	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1873	>	assertTrue(complete1.call());
1874	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1875	>	checkIncomplete(h1);
1876	>	checkIncomplete(h2);
1877	>	assertTrue(complete2.call());
1878	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1879	>
1880	>	checkCompletedWithWrappedCancellationException(h1);
1881	>	checkCompletedWithWrappedCancellationException(h2);
1882	>	checkCompletedWithWrappedCancellationException(h3);
1883	>	r1.assertNotInvoked();
1884	>	r2.assertNotInvoked();
1885	>	r3.assertNotInvoked();
1886	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1887	>	checkCancelled(failFirst ? fst : snd);
1888		}}
1889
1890		/**
1891	<	* runAfterBoth result completes exceptionally if action does
1891	>	* thenAcceptBoth result completes exceptionally if action does
1892		*/
1893	<	public void testRunAfterBoth_actionFailed1() {
1893	>	public void testThenAcceptBoth_actionFailed() {
1894		for (ExecutionMode m : ExecutionMode.values())
1895	+	for (boolean fFirst : new boolean[] { true, false })
1896		for (Integer v1 : new Integer[] { 1, null })
1897		for (Integer v2 : new Integer[] { 2, null })
1898		{
1899		final CompletableFuture<Integer> f = new CompletableFuture<>();
1900		final CompletableFuture<Integer> g = new CompletableFuture<>();
1901	<	final FailingNoop r = new FailingNoop();
1902	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1903	<
1904	<	f.complete(v1);
1905	<	checkIncomplete(h);
1906	<	g.complete(v2);
1907	<
1908	<	checkCompletedWithWrappedCFException(h);
1901	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1902	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1903	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1904	>
1905	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1906	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1907	>	final Integer w1 =  fFirst ? v1 : v2;
1908	>	final Integer w2 = !fFirst ? v1 : v2;
1909	>
1910	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1911	>	assertTrue(fst.complete(w1));
1912	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1913	>	assertTrue(snd.complete(w2));
1914	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1915	>
1916	>	checkCompletedWithWrappedCFException(h1);
1917	>	checkCompletedWithWrappedCFException(h2);
1918	>	checkCompletedWithWrappedCFException(h3);
1919	>	r1.assertInvoked();
1920	>	r2.assertInvoked();
1921	>	r3.assertInvoked();
1922		checkCompletedNormally(f, v1);
1923		checkCompletedNormally(g, v2);
1924		}}
1925
1926	<	public void testRunAfterBoth_actionFailed2() {
1926	>	/**
1927	>	* runAfterBoth result completes normally after normal
1928	>	* completion of sources
1929	>	*/
1930	>	public void testRunAfterBoth_normalCompletion() {
1931		for (ExecutionMode m : ExecutionMode.values())
1932	+	for (boolean fFirst : new boolean[] { true, false })
1933		for (Integer v1 : new Integer[] { 1, null })
1934		for (Integer v2 : new Integer[] { 2, null })
1935		{
1936		final CompletableFuture<Integer> f = new CompletableFuture<>();
1937		final CompletableFuture<Integer> g = new CompletableFuture<>();
1938	<	final FailingNoop r = new FailingNoop();
1939	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1940	<
1941	<	g.complete(v2);
1942	<	checkIncomplete(h);
1943	<	f.complete(v1);
1944	<
1945	<	checkCompletedWithWrappedCFException(h);
1938	>	final Noop r1 = new Noop(m);
1939	>	final Noop r2 = new Noop(m);
1940	>	final Noop r3 = new Noop(m);
1941	>
1942	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1943	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1944	>	final Integer w1 =  fFirst ? v1 : v2;
1945	>	final Integer w2 = !fFirst ? v1 : v2;
1946	>
1947	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1948	>	assertTrue(fst.complete(w1));
1949	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1950	>	checkIncomplete(h1);
1951	>	checkIncomplete(h2);
1952	>	r1.assertNotInvoked();
1953	>	r2.assertNotInvoked();
1954	>	assertTrue(snd.complete(w2));
1955	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1956	>
1957	>	checkCompletedNormally(h1, null);
1958	>	checkCompletedNormally(h2, null);
1959	>	checkCompletedNormally(h3, null);
1960	>	r1.assertInvoked();
1961	>	r2.assertInvoked();
1962	>	r3.assertInvoked();
1963		checkCompletedNormally(f, v1);
1964		checkCompletedNormally(g, v2);
1965		}}
1966
1967		/**
1968	<	* runAfterBoth result completes exceptionally if either source cancelled
1968	>	* runAfterBoth result completes exceptionally after exceptional
1969	>	* completion of either source
1970		*/
1971	<	public void testRunAfterBoth_sourceCancelled1() {
1971	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1972		for (ExecutionMode m : ExecutionMode.values())
1973	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1973	>	for (boolean fFirst : new boolean[] { true, false })
1974	>	for (boolean failFirst : new boolean[] { true, false })
1975		for (Integer v1 : new Integer[] { 1, null })
1976		{
1977		final CompletableFuture<Integer> f = new CompletableFuture<>();
1978		final CompletableFuture<Integer> g = new CompletableFuture<>();
1979	<	final Noop r = new Noop();
1980	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1981	<
1982	<	assertTrue(f.cancel(mayInterruptIfRunning));
1983	<	checkIncomplete(h);
1984	<	g.complete(v1);
1985	<
1986	<	checkCompletedWithWrappedCancellationException(h);
1987	<	checkCancelled(f);
1988	<	assertEquals(0, r.invocationCount);
1989	<	checkCompletedNormally(g, v1);
1979	>	final CFException ex = new CFException();
1980	>	final Noop r1 = new Noop(m);
1981	>	final Noop r2 = new Noop(m);
1982	>	final Noop r3 = new Noop(m);
1983	>
1984	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1985	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1986	>	final Callable<Boolean> complete1 = failFirst ?
1987	>	() -> fst.completeExceptionally(ex) :
1988	>	() -> fst.complete(v1);
1989	>	final Callable<Boolean> complete2 = failFirst ?
1990	>	() -> snd.complete(v1) :
1991	>	() -> snd.completeExceptionally(ex);
1992	>
1993	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1994	>	assertTrue(complete1.call());
1995	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1996	>	checkIncomplete(h1);
1997	>	checkIncomplete(h2);
1998	>	assertTrue(complete2.call());
1999	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2000	>
2001	>	checkCompletedWithWrappedException(h1, ex);
2002	>	checkCompletedWithWrappedException(h2, ex);
2003	>	checkCompletedWithWrappedException(h3, ex);
2004	>	r1.assertNotInvoked();
2005	>	r2.assertNotInvoked();
2006	>	r3.assertNotInvoked();
2007	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2008	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2009		}}
2010
2011	<	public void testRunAfterBoth_sourceCancelled2() {
2011	>	/**
2012	>	* runAfterBoth result completes exceptionally if either source cancelled
2013	>	*/
2014	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2015		for (ExecutionMode m : ExecutionMode.values())
2016		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2017	+	for (boolean fFirst : new boolean[] { true, false })
2018	+	for (boolean failFirst : new boolean[] { true, false })
2019		for (Integer v1 : new Integer[] { 1, null })
2020		{
2021		final CompletableFuture<Integer> f = new CompletableFuture<>();
2022		final CompletableFuture<Integer> g = new CompletableFuture<>();
2023	<	final Noop r = new Noop();
2024	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2025	<
2026	<	assertTrue(g.cancel(mayInterruptIfRunning));
2027	<	checkIncomplete(h);
2028	<	f.complete(v1);
2029	<
2030	<	checkCompletedWithWrappedCancellationException(h);
2031	<	checkCancelled(g);
2032	<	assertEquals(0, r.invocationCount);
2033	<	checkCompletedNormally(f, v1);
2023	>	final Noop r1 = new Noop(m);
2024	>	final Noop r2 = new Noop(m);
2025	>	final Noop r3 = new Noop(m);
2026	>
2027	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2028	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2029	>	final Callable<Boolean> complete1 = failFirst ?
2030	>	() -> fst.cancel(mayInterruptIfRunning) :
2031	>	() -> fst.complete(v1);
2032	>	final Callable<Boolean> complete2 = failFirst ?
2033	>	() -> snd.complete(v1) :
2034	>	() -> snd.cancel(mayInterruptIfRunning);
2035	>
2036	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2037	>	assertTrue(complete1.call());
2038	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2039	>	checkIncomplete(h1);
2040	>	checkIncomplete(h2);
2041	>	assertTrue(complete2.call());
2042	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2043	>
2044	>	checkCompletedWithWrappedCancellationException(h1);
2045	>	checkCompletedWithWrappedCancellationException(h2);
2046	>	checkCompletedWithWrappedCancellationException(h3);
2047	>	r1.assertNotInvoked();
2048	>	r2.assertNotInvoked();
2049	>	r3.assertNotInvoked();
2050	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2051	>	checkCancelled(failFirst ? fst : snd);
2052		}}
2053
2054	<	public void testRunAfterBoth_sourceCancelled3() {
2054	>	/**
2055	>	* runAfterBoth result completes exceptionally if action does
2056	>	*/
2057	>	public void testRunAfterBoth_actionFailed() {
2058		for (ExecutionMode m : ExecutionMode.values())
2059	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2059	>	for (boolean fFirst : new boolean[] { true, false })
2060		for (Integer v1 : new Integer[] { 1, null })
2061	+	for (Integer v2 : new Integer[] { 2, null })
2062		{
2063		final CompletableFuture<Integer> f = new CompletableFuture<>();
2064		final CompletableFuture<Integer> g = new CompletableFuture<>();
2065	<	final Noop r = new Noop();
2066	<
2067	<	assertTrue(g.cancel(mayInterruptIfRunning));
2068	<	f.complete(v1);
2069	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2070	<
2071	<	checkCompletedWithWrappedCancellationException(h);
2072	<	checkCancelled(g);
2073	<	assertEquals(0, r.invocationCount);
2065	>	final FailingRunnable r1 = new FailingRunnable(m);
2066	>	final FailingRunnable r2 = new FailingRunnable(m);
2067	>	final FailingRunnable r3 = new FailingRunnable(m);
2068	>
2069	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2070	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2071	>	final Integer w1 =  fFirst ? v1 : v2;
2072	>	final Integer w2 = !fFirst ? v1 : v2;
2073	>
2074	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2075	>	assertTrue(fst.complete(w1));
2076	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2077	>	assertTrue(snd.complete(w2));
2078	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2079	>
2080	>	checkCompletedWithWrappedCFException(h1);
2081	>	checkCompletedWithWrappedCFException(h2);
2082	>	checkCompletedWithWrappedCFException(h3);
2083	>	r1.assertInvoked();
2084	>	r2.assertInvoked();
2085	>	r3.assertInvoked();
2086		checkCompletedNormally(f, v1);
2087	<	}}
1925	<
1926	<	public void testRunAfterBoth_sourceCancelled4() {
1927	<	for (ExecutionMode m : ExecutionMode.values())
1928	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1929	<	for (Integer v1 : new Integer[] { 1, null })
1930	<	{
1931	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1932	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1933	<	final Noop r = new Noop();
1934	<
1935	<	assertTrue(f.cancel(mayInterruptIfRunning));
1936	<	g.complete(v1);
1937	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1938	<
1939	<	checkCompletedWithWrappedCancellationException(h);
1940	<	checkCancelled(f);
1941	<	assertEquals(0, r.invocationCount);
1942	<	checkCompletedNormally(g, v1);
2087	>	checkCompletedNormally(g, v2);
2088		}}
2089
2090		/**
2091		* applyToEither result completes normally after normal completion
2092		* of either source
2093		*/
2094	<	public void testApplyToEither_normalCompletion1() {
2094	>	public void testApplyToEither_normalCompletion() {
2095		for (ExecutionMode m : ExecutionMode.values())
2096		for (Integer v1 : new Integer[] { 1, null })
2097		for (Integer v2 : new Integer[] { 2, null })
2098		{
2099		final CompletableFuture<Integer> f = new CompletableFuture<>();
2100		final CompletableFuture<Integer> g = new CompletableFuture<>();
2101	<	final IncFunction r = new IncFunction();
2102	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2101	>	final IncFunction[] rs = new IncFunction[6];
2102	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2103
2104	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2105	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2106	+	checkIncomplete(h0);
2107	+	checkIncomplete(h1);
2108	+	rs[0].assertNotInvoked();
2109	+	rs[1].assertNotInvoked();
2110		f.complete(v1);
2111	<	checkCompletedNormally(h, inc(v1));
2111	>	checkCompletedNormally(h0, inc(v1));
2112	>	checkCompletedNormally(h1, inc(v1));
2113	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2114	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2115	>	checkCompletedNormally(h2, inc(v1));
2116	>	checkCompletedNormally(h3, inc(v1));
2117		g.complete(v2);
2118
2119	<	checkCompletedNormally(f, v1);
2120	<	checkCompletedNormally(g, v2);
2121	<	checkCompletedNormally(h, inc(v1));
2122	<	}}
2123	<
2124	<	public void testApplyToEither_normalCompletion2() {
2125	<	for (ExecutionMode m : ExecutionMode.values())
2126	<	for (Integer v1 : new Integer[] { 1, null })
2127	<	for (Integer v2 : new Integer[] { 2, null })
1972	<	{
1973	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1974	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1975	<	final IncFunction r = new IncFunction();
1976	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1977	<
1978	<	g.complete(v2);
1979	<	checkCompletedNormally(h, inc(v2));
1980	<	f.complete(v1);
2119	>	// unspecified behavior - both source completions available
2120	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2121	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2122	>	rs[4].assertValue(h4.join());
2123	>	rs[5].assertValue(h5.join());
2124	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2125	>	Objects.equals(inc(v2), h4.join()));
2126	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2127	>	Objects.equals(inc(v2), h5.join()));
2128
2129		checkCompletedNormally(f, v1);
2130		checkCompletedNormally(g, v2);
2131	<	checkCompletedNormally(h, inc(v2));
2132	<	}}
2133	<
2134	<	public void testApplyToEither_normalCompletion3() {
2135	<	for (ExecutionMode m : ExecutionMode.values())
1989	<	for (Integer v1 : new Integer[] { 1, null })
1990	<	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);
1999	<
2000	<	checkCompletedNormally(f, v1);
2001	<	checkCompletedNormally(g, v2);
2002	<
2003	<	// unspecified behavior
2004	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2005	<	Objects.equals(h.join(), inc(v2)));
2006	<	assertEquals(1, r.invocationCount);
2131	>	checkCompletedNormally(h0, inc(v1));
2132	>	checkCompletedNormally(h1, inc(v1));
2133	>	checkCompletedNormally(h2, inc(v1));
2134	>	checkCompletedNormally(h3, inc(v1));
2135	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2136		}}
2137
2138		/**
2139		* applyToEither result completes exceptionally after exceptional
2140		* completion of either source
2141		*/
2142	<	public void testApplyToEither_exceptionalCompletion1() {
2142	>	public void testApplyToEither_exceptionalCompletion() {
2143		for (ExecutionMode m : ExecutionMode.values())
2144		for (Integer v1 : new Integer[] { 1, null })
2145		{
2146		final CompletableFuture<Integer> f = new CompletableFuture<>();
2147		final CompletableFuture<Integer> g = new CompletableFuture<>();
2019	–	final IncFunction r = new IncFunction();
2020	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2148		final CFException ex = new CFException();
2149	+	final IncFunction[] rs = new IncFunction[6];
2150	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2151
2152	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2153	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2154	+	checkIncomplete(h0);
2155	+	checkIncomplete(h1);
2156	+	rs[0].assertNotInvoked();
2157	+	rs[1].assertNotInvoked();
2158		f.completeExceptionally(ex);
2159	<	checkCompletedWithWrappedCFException(h, ex);
2159	>	checkCompletedWithWrappedException(h0, ex);
2160	>	checkCompletedWithWrappedException(h1, ex);
2161	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2162	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2163	>	checkCompletedWithWrappedException(h2, ex);
2164	>	checkCompletedWithWrappedException(h3, ex);
2165		g.complete(v1);
2166
2167	<	assertEquals(0, r.invocationCount);
2167	>	// unspecified behavior - both source completions available
2168	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2169	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2170	>	try {
2171	>	assertEquals(inc(v1), h4.join());
2172	>	rs[4].assertValue(inc(v1));
2173	>	} catch (CompletionException ok) {
2174	>	checkCompletedWithWrappedException(h4, ex);
2175	>	rs[4].assertNotInvoked();
2176	>	}
2177	>	try {
2178	>	assertEquals(inc(v1), h5.join());
2179	>	rs[5].assertValue(inc(v1));
2180	>	} catch (CompletionException ok) {
2181	>	checkCompletedWithWrappedException(h5, ex);
2182	>	rs[5].assertNotInvoked();
2183	>	}
2184	>
2185	>	checkCompletedExceptionally(f, ex);
2186		checkCompletedNormally(g, v1);
2187	<	checkCompletedWithWrappedCFException(f, ex);
2188	<	checkCompletedWithWrappedCFException(h, ex);
2187	>	checkCompletedWithWrappedException(h0, ex);
2188	>	checkCompletedWithWrappedException(h1, ex);
2189	>	checkCompletedWithWrappedException(h2, ex);
2190	>	checkCompletedWithWrappedException(h3, ex);
2191	>	checkCompletedWithWrappedException(h4, ex);
2192	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2193		}}
2194
2195		public void testApplyToEither_exceptionalCompletion2() {
2196		for (ExecutionMode m : ExecutionMode.values())
2197	+	for (boolean fFirst : new boolean[] { true, false })
2198		for (Integer v1 : new Integer[] { 1, null })
2199		{
2200		final CompletableFuture<Integer> f = new CompletableFuture<>();
2201		final CompletableFuture<Integer> g = new CompletableFuture<>();
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();
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	<	g.completeExceptionally(ex);
2207	<	f.complete(v1);
2208	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2206	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2207	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2208	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2209	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2210	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2211	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2212
2213	<	// unspecified behavior
2067	<	Integer v;
2213	>	// unspecified behavior - both source completions available
2214		try {
2215	<	assertEquals(inc(v1), h.join());
2216	<	assertEquals(1, r.invocationCount);
2215	>	assertEquals(inc(v1), h0.join());
2216	>	rs[0].assertValue(inc(v1));
2217		} catch (CompletionException ok) {
2218	<	checkCompletedWithWrappedCFException(h, ex);
2219	<	assertEquals(0, r.invocationCount);
2218	>	checkCompletedWithWrappedException(h0, ex);
2219	>	rs[0].assertNotInvoked();
2220		}
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;
2221		try {
2222	<	assertEquals(inc(v1), h.join());
2223	<	assertEquals(1, r.invocationCount);
2222	>	assertEquals(inc(v1), h1.join());
2223	>	rs[1].assertValue(inc(v1));
2224		} catch (CompletionException ok) {
2225	<	checkCompletedWithWrappedCFException(h, ex);
2226	<	assertEquals(0, r.invocationCount);
2225	>	checkCompletedWithWrappedException(h1, ex);
2226	>	rs[1].assertNotInvoked();
2227	>	}
2228	>	try {
2229	>	assertEquals(inc(v1), h2.join());
2230	>	rs[2].assertValue(inc(v1));
2231	>	} catch (CompletionException ok) {
2232	>	checkCompletedWithWrappedException(h2, ex);
2233	>	rs[2].assertNotInvoked();
2234	>	}
2235	>	try {
2236	>	assertEquals(inc(v1), h3.join());
2237	>	rs[3].assertValue(inc(v1));
2238	>	} catch (CompletionException ok) {
2239	>	checkCompletedWithWrappedException(h3, ex);
2240	>	rs[3].assertNotInvoked();
2241		}
2242
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);
2243		checkCompletedNormally(f, v1);
2244	<	checkCompletedNormally(g, v2);
2244	>	checkCompletedExceptionally(g, ex);
2245		}}
2246
2247		/**
2248		* applyToEither result completes exceptionally if either source cancelled
2249		*/
2250	<	public void testApplyToEither_sourceCancelled1() {
2250	>	public void testApplyToEither_sourceCancelled() {
2251		for (ExecutionMode m : ExecutionMode.values())
2252		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2253		for (Integer v1 : new Integer[] { 1, null })
2254		{
2255		final CompletableFuture<Integer> f = new CompletableFuture<>();
2256		final CompletableFuture<Integer> g = new CompletableFuture<>();
2257	<	final IncFunction r = new IncFunction();
2258	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2257	>	final IncFunction[] rs = new IncFunction[6];
2258	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2259
2260	<	assertTrue(f.cancel(mayInterruptIfRunning));
2261	<	checkCompletedWithWrappedCancellationException(h);
2260	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2261	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2262	>	checkIncomplete(h0);
2263	>	checkIncomplete(h1);
2264	>	rs[0].assertNotInvoked();
2265	>	rs[1].assertNotInvoked();
2266	>	f.cancel(mayInterruptIfRunning);
2267	>	checkCompletedWithWrappedCancellationException(h0);
2268	>	checkCompletedWithWrappedCancellationException(h1);
2269	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2270	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2271	>	checkCompletedWithWrappedCancellationException(h2);
2272	>	checkCompletedWithWrappedCancellationException(h3);
2273		g.complete(v1);
2274
2275	+	// unspecified behavior - both source completions available
2276	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2277	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2278	+	try {
2279	+	assertEquals(inc(v1), h4.join());
2280	+	rs[4].assertValue(inc(v1));
2281	+	} catch (CompletionException ok) {
2282	+	checkCompletedWithWrappedCancellationException(h4);
2283	+	rs[4].assertNotInvoked();
2284	+	}
2285	+	try {
2286	+	assertEquals(inc(v1), h5.join());
2287	+	rs[5].assertValue(inc(v1));
2288	+	} catch (CompletionException ok) {
2289	+	checkCompletedWithWrappedCancellationException(h5);
2290	+	rs[5].assertNotInvoked();
2291	+	}
2292	+
2293		checkCancelled(f);
2162	–	assertEquals(0, r.invocationCount);
2294		checkCompletedNormally(g, v1);
2295	<	checkCompletedWithWrappedCancellationException(h);
2295	>	checkCompletedWithWrappedCancellationException(h0);
2296	>	checkCompletedWithWrappedCancellationException(h1);
2297	>	checkCompletedWithWrappedCancellationException(h2);
2298	>	checkCompletedWithWrappedCancellationException(h3);
2299	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2300		}}
2301
2302		public void testApplyToEither_sourceCancelled2() {
2303		for (ExecutionMode m : ExecutionMode.values())
2304		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2305	+	for (boolean fFirst : new boolean[] { true, false })
2306		for (Integer v1 : new Integer[] { 1, null })
2307		{
2308		final CompletableFuture<Integer> f = new CompletableFuture<>();
2309		final CompletableFuture<Integer> g = new CompletableFuture<>();
2310	<	final IncFunction r = new IncFunction();
2311	<	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();
2310	>	final IncFunction[] rs = new IncFunction[6];
2311	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2312
2313	<	assertTrue(g.cancel(mayInterruptIfRunning));
2314	<	f.complete(v1);
2315	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2313	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2314	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2315	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2316	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2317	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2318	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2319
2320	<	// unspecified behavior
2201	<	Integer v;
2320	>	// unspecified behavior - both source completions available
2321		try {
2322	<	assertEquals(inc(v1), h.join());
2323	<	assertEquals(1, r.invocationCount);
2322	>	assertEquals(inc(v1), h0.join());
2323	>	rs[0].assertValue(inc(v1));
2324		} catch (CompletionException ok) {
2325	<	checkCompletedWithWrappedCancellationException(h);
2326	<	assertEquals(0, r.invocationCount);
2325	>	checkCompletedWithWrappedCancellationException(h0);
2326	>	rs[0].assertNotInvoked();
2327	>	}
2328	>	try {
2329	>	assertEquals(inc(v1), h1.join());
2330	>	rs[1].assertValue(inc(v1));
2331	>	} catch (CompletionException ok) {
2332	>	checkCompletedWithWrappedCancellationException(h1);
2333	>	rs[1].assertNotInvoked();
2334		}
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;
2335		try {
2336	<	assertEquals(inc(v1), h.join());
2337	<	assertEquals(1, r.invocationCount);
2336	>	assertEquals(inc(v1), h2.join());
2337	>	rs[2].assertValue(inc(v1));
2338		} catch (CompletionException ok) {
2339	<	checkCompletedWithWrappedCancellationException(h);
2340	<	assertEquals(0, r.invocationCount);
2339	>	checkCompletedWithWrappedCancellationException(h2);
2340	>	rs[2].assertNotInvoked();
2341	>	}
2342	>	try {
2343	>	assertEquals(inc(v1), h3.join());
2344	>	rs[3].assertValue(inc(v1));
2345	>	} catch (CompletionException ok) {
2346	>	checkCompletedWithWrappedCancellationException(h3);
2347	>	rs[3].assertNotInvoked();
2348		}
2349
2350	<	checkCancelled(f);
2351	<	checkCompletedNormally(g, v1);
2350	>	checkCompletedNormally(f, v1);
2351	>	checkCancelled(g);
2352		}}
2353
2354		/**
2355	<	* acceptEither result completes normally after normal completion
2243	<	* of either source
2355	>	* applyToEither result completes exceptionally if action does
2356		*/
2357	<	public void testAcceptEither_normalCompletion1() {
2357	>	public void testApplyToEither_actionFailed() {
2358		for (ExecutionMode m : ExecutionMode.values())
2359		for (Integer v1 : new Integer[] { 1, null })
2360		for (Integer v2 : new Integer[] { 2, null })
2361		{
2362		final CompletableFuture<Integer> f = new CompletableFuture<>();
2363		final CompletableFuture<Integer> g = new CompletableFuture<>();
2364	<	final IncAction r = new IncAction();
2365	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2364	>	final FailingFunction[] rs = new FailingFunction[6];
2365	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2366
2367	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2368	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2369		f.complete(v1);
2370	<	checkCompletedNormally(h, null);
2371	<	assertEquals(inc(v1), r.value);
2370	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2371	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2372	>	checkCompletedWithWrappedCFException(h0);
2373	>	checkCompletedWithWrappedCFException(h1);
2374	>	checkCompletedWithWrappedCFException(h2);
2375	>	checkCompletedWithWrappedCFException(h3);
2376	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2377	>
2378		g.complete(v2);
2379
2380	<	checkCompletedNormally(f, v1);
2381	<	checkCompletedNormally(g, v2);
2382	<	checkCompletedNormally(h, null);
2263	<	}}
2380	>	// unspecified behavior - both source completions available
2381	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2382	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2383
2384	<	public void testAcceptEither_normalCompletion2() {
2385	<	for (ExecutionMode m : ExecutionMode.values())
2386	<	for (Integer v1 : new Integer[] { 1, null })
2387	<	for (Integer v2 : new Integer[] { 2, null })
2388	<	{
2389	<	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);
2274	<
2275	<	g.complete(v2);
2276	<	checkCompletedNormally(h, null);
2277	<	assertEquals(inc(v2), r.value);
2278	<	f.complete(v1);
2384	>	checkCompletedWithWrappedCFException(h4);
2385	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2386	>	Objects.equals(v2, rs[4].value));
2387	>	checkCompletedWithWrappedCFException(h5);
2388	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2389	>	Objects.equals(v2, rs[5].value));
2390
2391		checkCompletedNormally(f, v1);
2392		checkCompletedNormally(g, v2);
2282	–	checkCompletedNormally(h, null);
2393		}}
2394
2395	<	public void testAcceptEither_normalCompletion3() {
2395	>	/**
2396	>	* acceptEither result completes normally after normal completion
2397	>	* of either source
2398	>	*/
2399	>	public void testAcceptEither_normalCompletion() {
2400		for (ExecutionMode m : ExecutionMode.values())
2401		for (Integer v1 : new Integer[] { 1, null })
2402		for (Integer v2 : new Integer[] { 2, null })
2403		{
2404		final CompletableFuture<Integer> f = new CompletableFuture<>();
2405		final CompletableFuture<Integer> g = new CompletableFuture<>();
2406	<	final IncAction r = new IncAction();
2406	>	final NoopConsumer[] rs = new NoopConsumer[6];
2407	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2408
2409	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2410	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2411	+	checkIncomplete(h0);
2412	+	checkIncomplete(h1);
2413	+	rs[0].assertNotInvoked();
2414	+	rs[1].assertNotInvoked();
2415		f.complete(v1);
2416	+	checkCompletedNormally(h0, null);
2417	+	checkCompletedNormally(h1, null);
2418	+	rs[0].assertValue(v1);
2419	+	rs[1].assertValue(v1);
2420	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2421	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2422	+	checkCompletedNormally(h2, null);
2423	+	checkCompletedNormally(h3, null);
2424	+	rs[2].assertValue(v1);
2425	+	rs[3].assertValue(v1);
2426		g.complete(v2);
2296	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2427
2428	<	checkCompletedNormally(h, null);
2428	>	// unspecified behavior - both source completions available
2429	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2430	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2431	>	checkCompletedNormally(h4, null);
2432	>	checkCompletedNormally(h5, null);
2433	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2434	>	Objects.equals(v2, rs[4].value));
2435	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2436	>	Objects.equals(v2, rs[5].value));
2437	>
2438		checkCompletedNormally(f, v1);
2439		checkCompletedNormally(g, v2);
2440	<
2441	<	// unspecified behavior
2442	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2443	<	Objects.equals(r.value, inc(v2)));
2440	>	checkCompletedNormally(h0, null);
2441	>	checkCompletedNormally(h1, null);
2442	>	checkCompletedNormally(h2, null);
2443	>	checkCompletedNormally(h3, null);
2444	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2445		}}
2446
2447		/**
2448		* acceptEither result completes exceptionally after exceptional
2449		* completion of either source
2450		*/
2451	<	public void testAcceptEither_exceptionalCompletion1() {
2451	>	public void testAcceptEither_exceptionalCompletion() {
2452		for (ExecutionMode m : ExecutionMode.values())
2453		for (Integer v1 : new Integer[] { 1, null })
2454		{
2455		final CompletableFuture<Integer> f = new CompletableFuture<>();
2456		final CompletableFuture<Integer> g = new CompletableFuture<>();
2317	–	final IncAction r = new IncAction();
2318	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2457		final CFException ex = new CFException();
2458	+	final NoopConsumer[] rs = new NoopConsumer[6];
2459	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2460
2461	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2462	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2463	+	checkIncomplete(h0);
2464	+	checkIncomplete(h1);
2465	+	rs[0].assertNotInvoked();
2466	+	rs[1].assertNotInvoked();
2467		f.completeExceptionally(ex);
2468	<	checkCompletedWithWrappedCFException(h, ex);
2468	>	checkCompletedWithWrappedException(h0, ex);
2469	>	checkCompletedWithWrappedException(h1, ex);
2470	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2471	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2472	>	checkCompletedWithWrappedException(h2, ex);
2473	>	checkCompletedWithWrappedException(h3, ex);
2474	>
2475		g.complete(v1);
2476
2477	<	assertEquals(0, r.invocationCount);
2477	>	// unspecified behavior - both source completions available
2478	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2479	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2480	>	try {
2481	>	assertNull(h4.join());
2482	>	rs[4].assertValue(v1);
2483	>	} catch (CompletionException ok) {
2484	>	checkCompletedWithWrappedException(h4, ex);
2485	>	rs[4].assertNotInvoked();
2486	>	}
2487	>	try {
2488	>	assertNull(h5.join());
2489	>	rs[5].assertValue(v1);
2490	>	} catch (CompletionException ok) {
2491	>	checkCompletedWithWrappedException(h5, ex);
2492	>	rs[5].assertNotInvoked();
2493	>	}
2494	>
2495	>	checkCompletedExceptionally(f, ex);
2496		checkCompletedNormally(g, v1);
2497	<	checkCompletedWithWrappedCFException(f, ex);
2498	<	checkCompletedWithWrappedCFException(h, ex);
2497	>	checkCompletedWithWrappedException(h0, ex);
2498	>	checkCompletedWithWrappedException(h1, ex);
2499	>	checkCompletedWithWrappedException(h2, ex);
2500	>	checkCompletedWithWrappedException(h3, ex);
2501	>	checkCompletedWithWrappedException(h4, ex);
2502	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2503		}}
2504
2505		public void testAcceptEither_exceptionalCompletion2() {
2506		for (ExecutionMode m : ExecutionMode.values())
2507	+	for (boolean fFirst : new boolean[] { true, false })
2508		for (Integer v1 : new Integer[] { 1, null })
2509		{
2510		final CompletableFuture<Integer> f = new CompletableFuture<>();
2511		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();
2512		final CFException ex = new CFException();
2513	+	final NoopConsumer[] rs = new NoopConsumer[6];
2514	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2515
2516	<	g.completeExceptionally(ex);
2517	<	f.complete(v1);
2518	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2516	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2517	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2518	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2519	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2520	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2521	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2522
2523	<	// unspecified behavior
2365	<	Integer v;
2523	>	// unspecified behavior - both source completions available
2524		try {
2525	<	assertNull(h.join());
2526	<	assertEquals(1, r.invocationCount);
2369	<	assertEquals(inc(v1), r.value);
2525	>	assertEquals(null, h0.join());
2526	>	rs[0].assertValue(v1);
2527		} catch (CompletionException ok) {
2528	<	checkCompletedWithWrappedCFException(h, ex);
2529	<	assertEquals(0, r.invocationCount);
2528	>	checkCompletedWithWrappedException(h0, ex);
2529	>	rs[0].assertNotInvoked();
2530		}
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;
2531		try {
2532	<	assertNull(h.join());
2533	<	assertEquals(1, r.invocationCount);
2397	<	assertEquals(inc(v1), r.value);
2532	>	assertEquals(null, h1.join());
2533	>	rs[1].assertValue(v1);
2534		} catch (CompletionException ok) {
2535	<	checkCompletedWithWrappedCFException(h, ex);
2536	<	assertEquals(0, r.invocationCount);
2535	>	checkCompletedWithWrappedException(h1, ex);
2536	>	rs[1].assertNotInvoked();
2537	>	}
2538	>	try {
2539	>	assertEquals(null, h2.join());
2540	>	rs[2].assertValue(v1);
2541	>	} catch (CompletionException ok) {
2542	>	checkCompletedWithWrappedException(h2, ex);
2543	>	rs[2].assertNotInvoked();
2544	>	}
2545	>	try {
2546	>	assertEquals(null, h3.join());
2547	>	rs[3].assertValue(v1);
2548	>	} catch (CompletionException ok) {
2549	>	checkCompletedWithWrappedException(h3, ex);
2550	>	rs[3].assertNotInvoked();
2551		}
2552
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);
2553		checkCompletedNormally(f, v1);
2554	<	checkCompletedNormally(g, v2);
2554	>	checkCompletedExceptionally(g, ex);
2555		}}
2556
2557		/**
2558		* acceptEither result completes exceptionally if either source cancelled
2559		*/
2560	<	public void testAcceptEither_sourceCancelled1() {
2560	>	public void testAcceptEither_sourceCancelled() {
2561		for (ExecutionMode m : ExecutionMode.values())
2562		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2563		for (Integer v1 : new Integer[] { 1, null })
2564		{
2565		final CompletableFuture<Integer> f = new CompletableFuture<>();
2566		final CompletableFuture<Integer> g = new CompletableFuture<>();
2567	<	final IncAction r = new IncAction();
2568	<	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() {
2468	<	for (ExecutionMode m : ExecutionMode.values())
2469	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2470	<	for (Integer v1 : new Integer[] { 1, null })
2471	<	{
2472	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2473	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2474	<	final IncAction r = new IncAction();
2475	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2476	<
2477	<	assertTrue(g.cancel(mayInterruptIfRunning));
2478	<	checkCompletedWithWrappedCancellationException(h);
2479	<	f.complete(v1);
2567	>	final NoopConsumer[] rs = new NoopConsumer[6];
2568	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2569
2570	<	checkCancelled(g);
2571	<	assertEquals(0, r.invocationCount);
2572	<	checkCompletedNormally(f, v1);
2573	<	checkCompletedWithWrappedCancellationException(h);
2574	<	}}
2570	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2571	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2572	>	checkIncomplete(h0);
2573	>	checkIncomplete(h1);
2574	>	rs[0].assertNotInvoked();
2575	>	rs[1].assertNotInvoked();
2576	>	f.cancel(mayInterruptIfRunning);
2577	>	checkCompletedWithWrappedCancellationException(h0);
2578	>	checkCompletedWithWrappedCancellationException(h1);
2579	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2580	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2581	>	checkCompletedWithWrappedCancellationException(h2);
2582	>	checkCompletedWithWrappedCancellationException(h3);
2583
2584	<	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);
2584	>	g.complete(v1);
2585
2586	<	// unspecified behavior
2587	<	Integer v;
2586	>	// unspecified behavior - both source completions available
2587	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2588	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2589		try {
2590	<	assertNull(h.join());
2591	<	assertEquals(1, r.invocationCount);
2505	<	assertEquals(inc(v1), r.value);
2590	>	assertNull(h4.join());
2591	>	rs[4].assertValue(v1);
2592		} catch (CompletionException ok) {
2593	<	checkCompletedWithWrappedCancellationException(h);
2594	<	assertEquals(0, r.invocationCount);
2593	>	checkCompletedWithWrappedCancellationException(h4);
2594	>	rs[4].assertNotInvoked();
2595		}
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;
2596		try {
2597	<	assertNull(h.join());
2598	<	assertEquals(1, r.invocationCount);
2533	<	assertEquals(inc(v1), r.value);
2597	>	assertNull(h5.join());
2598	>	rs[5].assertValue(v1);
2599		} catch (CompletionException ok) {
2600	<	checkCompletedWithWrappedCancellationException(h);
2601	<	assertEquals(0, r.invocationCount);
2600	>	checkCompletedWithWrappedCancellationException(h5);
2601	>	rs[5].assertNotInvoked();
2602		}
2603
2604		checkCancelled(f);
2605		checkCompletedNormally(g, v1);
2606	+	checkCompletedWithWrappedCancellationException(h0);
2607	+	checkCompletedWithWrappedCancellationException(h1);
2608	+	checkCompletedWithWrappedCancellationException(h2);
2609	+	checkCompletedWithWrappedCancellationException(h3);
2610	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2611		}}
2612
2613		/**
2614	<	* runAfterEither result completes normally after normal completion
2545	<	* of either source
2614	>	* acceptEither result completes exceptionally if action does
2615		*/
2616	<	public void testRunAfterEither_normalCompletion1() {
2616	>	public void testAcceptEither_actionFailed() {
2617		for (ExecutionMode m : ExecutionMode.values())
2618		for (Integer v1 : new Integer[] { 1, null })
2619		for (Integer v2 : new Integer[] { 2, null })
2620		{
2621		final CompletableFuture<Integer> f = new CompletableFuture<>();
2622		final CompletableFuture<Integer> g = new CompletableFuture<>();
2623	<	final Noop r = new Noop();
2624	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2623	>	final FailingConsumer[] rs = new FailingConsumer[6];
2624	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2625
2626	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2627	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2628		f.complete(v1);
2629	<	checkCompletedNormally(h, null);
2630	<	assertEquals(1, r.invocationCount);
2629	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2630	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2631	>	checkCompletedWithWrappedCFException(h0);
2632	>	checkCompletedWithWrappedCFException(h1);
2633	>	checkCompletedWithWrappedCFException(h2);
2634	>	checkCompletedWithWrappedCFException(h3);
2635	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2636	>
2637		g.complete(v2);
2638
2639	<	checkCompletedNormally(f, v1);
2640	<	checkCompletedNormally(g, v2);
2641	<	checkCompletedNormally(h, null);
2565	<	assertEquals(1, r.invocationCount);
2566	<	}}
2639	>	// unspecified behavior - both source completions available
2640	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2641	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2642
2643	<	public void testRunAfterEither_normalCompletion2() {
2644	<	for (ExecutionMode m : ExecutionMode.values())
2645	<	for (Integer v1 : new Integer[] { 1, null })
2646	<	for (Integer v2 : new Integer[] { 2, null })
2647	<	{
2648	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2574	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2575	<	final Noop r = new Noop();
2576	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2577	<
2578	<	g.complete(v2);
2579	<	checkCompletedNormally(h, null);
2580	<	assertEquals(1, r.invocationCount);
2581	<	f.complete(v1);
2643	>	checkCompletedWithWrappedCFException(h4);
2644	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2645	>	Objects.equals(v2, rs[4].value));
2646	>	checkCompletedWithWrappedCFException(h5);
2647	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2648	>	Objects.equals(v2, rs[5].value));
2649
2650		checkCompletedNormally(f, v1);
2651		checkCompletedNormally(g, v2);
2652	<	checkCompletedNormally(h, null);
2586	<	assertEquals(1, r.invocationCount);
2587	<	}}
2652	>	}}
2653
2654	<	public void testRunAfterEither_normalCompletion3() {
2654	>	/**
2655	>	* runAfterEither result completes normally after normal completion
2656	>	* of either source
2657	>	*/
2658	>	public void testRunAfterEither_normalCompletion() {
2659		for (ExecutionMode m : ExecutionMode.values())
2660		for (Integer v1 : new Integer[] { 1, null })
2661		for (Integer v2 : new Integer[] { 2, null })
2662		{
2663		final CompletableFuture<Integer> f = new CompletableFuture<>();
2664		final CompletableFuture<Integer> g = new CompletableFuture<>();
2665	<	final Noop r = new Noop();
2665	>	final Noop[] rs = new Noop[6];
2666	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2667
2668	+	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2669	+	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2670	+	checkIncomplete(h0);
2671	+	checkIncomplete(h1);
2672	+	rs[0].assertNotInvoked();
2673	+	rs[1].assertNotInvoked();
2674		f.complete(v1);
2675	+	checkCompletedNormally(h0, null);
2676	+	checkCompletedNormally(h1, null);
2677	+	rs[0].assertInvoked();
2678	+	rs[1].assertInvoked();
2679	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2680	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2681	+	checkCompletedNormally(h2, null);
2682	+	checkCompletedNormally(h3, null);
2683	+	rs[2].assertInvoked();
2684	+	rs[3].assertInvoked();
2685	+
2686		g.complete(v2);
2600	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2687
2688	<	checkCompletedNormally(h, null);
2688	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2689	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2690	>
2691		checkCompletedNormally(f, v1);
2692		checkCompletedNormally(g, v2);
2693	<	assertEquals(1, r.invocationCount);
2693	>	checkCompletedNormally(h0, null);
2694	>	checkCompletedNormally(h1, null);
2695	>	checkCompletedNormally(h2, null);
2696	>	checkCompletedNormally(h3, null);
2697	>	checkCompletedNormally(h4, null);
2698	>	checkCompletedNormally(h5, null);
2699	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2700		}}
2701
2702		/**
2703		* runAfterEither result completes exceptionally after exceptional
2704		* completion of either source
2705		*/
2706	<	public void testRunAfterEither_exceptionalCompletion1() {
2613	<	for (ExecutionMode m : ExecutionMode.values())
2614	<	for (Integer v1 : new Integer[] { 1, null })
2615	<	{
2616	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2617	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2618	<	final Noop r = new Noop();
2619	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2620	<	final CFException ex = new CFException();
2621	<
2622	<	f.completeExceptionally(ex);
2623	<	checkCompletedWithWrappedCFException(h, ex);
2624	<	g.complete(v1);
2625	<
2626	<	assertEquals(0, r.invocationCount);
2627	<	checkCompletedNormally(g, v1);
2628	<	checkCompletedWithWrappedCFException(f, ex);
2629	<	checkCompletedWithWrappedCFException(h, ex);
2630	<	}}
2631	<
2632	<	public void testRunAfterEither_exceptionalCompletion2() {
2706	>	public void testRunAfterEither_exceptionalCompletion() {
2707		for (ExecutionMode m : ExecutionMode.values())
2708		for (Integer v1 : new Integer[] { 1, null })
2709		{
2710		final CompletableFuture<Integer> f = new CompletableFuture<>();
2711		final CompletableFuture<Integer> g = new CompletableFuture<>();
2638	–	final Noop r = new Noop();
2639	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2712		final CFException ex = new CFException();
2713	+	final Noop[] rs = new Noop[6];
2714	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2715
2716	<	g.completeExceptionally(ex);
2717	<	checkCompletedWithWrappedCFException(h, ex);
2718	<	f.complete(v1);
2716	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2717	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2718	>	checkIncomplete(h0);
2719	>	checkIncomplete(h1);
2720	>	rs[0].assertNotInvoked();
2721	>	rs[1].assertNotInvoked();
2722	>	assertTrue(f.completeExceptionally(ex));
2723	>	checkCompletedWithWrappedException(h0, ex);
2724	>	checkCompletedWithWrappedException(h1, ex);
2725	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2726	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2727	>	checkCompletedWithWrappedException(h2, ex);
2728	>	checkCompletedWithWrappedException(h3, ex);
2729
2730	<	assertEquals(0, r.invocationCount);
2647	<	checkCompletedNormally(f, v1);
2648	<	checkCompletedWithWrappedCFException(g, ex);
2649	<	checkCompletedWithWrappedCFException(h, ex);
2650	<	}}
2730	>	assertTrue(g.complete(v1));
2731
2732	<	public void testRunAfterEither_exceptionalCompletion3() {
2733	<	for (ExecutionMode m : ExecutionMode.values())
2734	<	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();
2659	<	final CFException ex = new CFException();
2660	<
2661	<	g.completeExceptionally(ex);
2662	<	f.complete(v1);
2663	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2664	<
2665	<	// unspecified behavior
2666	<	Integer v;
2732	>	// unspecified behavior - both source completions available
2733	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2734	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2735		try {
2736	<	assertNull(h.join());
2737	<	assertEquals(1, r.invocationCount);
2736	>	assertNull(h4.join());
2737	>	rs[4].assertInvoked();
2738		} catch (CompletionException ok) {
2739	<	checkCompletedWithWrappedCFException(h, ex);
2740	<	assertEquals(0, r.invocationCount);
2739	>	checkCompletedWithWrappedException(h4, ex);
2740	>	rs[4].assertNotInvoked();
2741		}
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;
2742		try {
2743	<	assertNull(h.join());
2744	<	assertEquals(1, r.invocationCount);
2743	>	assertNull(h5.join());
2744	>	rs[5].assertInvoked();
2745		} catch (CompletionException ok) {
2746	<	checkCompletedWithWrappedCFException(h, ex);
2747	<	assertEquals(0, r.invocationCount);
2746	>	checkCompletedWithWrappedException(h5, ex);
2747	>	rs[5].assertNotInvoked();
2748		}
2749
2750	<	checkCompletedWithWrappedCFException(f, ex);
2750	>	checkCompletedExceptionally(f, ex);
2751		checkCompletedNormally(g, v1);
2752	+	checkCompletedWithWrappedException(h0, ex);
2753	+	checkCompletedWithWrappedException(h1, ex);
2754	+	checkCompletedWithWrappedException(h2, ex);
2755	+	checkCompletedWithWrappedException(h3, ex);
2756	+	checkCompletedWithWrappedException(h4, ex);
2757	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2758		}}
2759
2760	<	/**
2707	<	* runAfterEither result completes exceptionally if action does
2708	<	*/
2709	<	public void testRunAfterEither_actionFailed1() {
2760	>	public void testRunAfterEither_exceptionalCompletion2() {
2761		for (ExecutionMode m : ExecutionMode.values())
2762	+	for (boolean fFirst : new boolean[] { true, false })
2763		for (Integer v1 : new Integer[] { 1, null })
2712	–	for (Integer v2 : new Integer[] { 2, null })
2764		{
2765		final CompletableFuture<Integer> f = new CompletableFuture<>();
2766		final CompletableFuture<Integer> g = new CompletableFuture<>();
2767	<	final FailingNoop r = new FailingNoop();
2768	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2767	>	final CFException ex = new CFException();
2768	>	final Noop[] rs = new Noop[6];
2769	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2770
2771	<	f.complete(v1);
2772	<	checkCompletedWithWrappedCFException(h);
2773	<	g.complete(v2);
2774	<	checkCompletedNormally(f, v1);
2775	<	checkCompletedNormally(g, v2);
2776	<	}}
2771	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2772	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2773	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2774	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2775	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2776	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2777
2778	<	public void testRunAfterEither_actionFailed2() {
2779	<	for (ExecutionMode m : ExecutionMode.values())
2780	<	for (Integer v1 : new Integer[] { 1, null })
2781	<	for (Integer v2 : new Integer[] { 2, null })
2782	<	{
2783	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2784	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2785	<	final FailingNoop r = new FailingNoop();
2786	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2778	>	// unspecified behavior - both source completions available
2779	>	try {
2780	>	assertEquals(null, h0.join());
2781	>	rs[0].assertInvoked();
2782	>	} catch (CompletionException ok) {
2783	>	checkCompletedWithWrappedException(h0, ex);
2784	>	rs[0].assertNotInvoked();
2785	>	}
2786	>	try {
2787	>	assertEquals(null, h1.join());
2788	>	rs[1].assertInvoked();
2789	>	} catch (CompletionException ok) {
2790	>	checkCompletedWithWrappedException(h1, ex);
2791	>	rs[1].assertNotInvoked();
2792	>	}
2793	>	try {
2794	>	assertEquals(null, h2.join());
2795	>	rs[2].assertInvoked();
2796	>	} catch (CompletionException ok) {
2797	>	checkCompletedWithWrappedException(h2, ex);
2798	>	rs[2].assertNotInvoked();
2799	>	}
2800	>	try {
2801	>	assertEquals(null, h3.join());
2802	>	rs[3].assertInvoked();
2803	>	} catch (CompletionException ok) {
2804	>	checkCompletedWithWrappedException(h3, ex);
2805	>	rs[3].assertNotInvoked();
2806	>	}
2807
2736	–	g.complete(v2);
2737	–	checkCompletedWithWrappedCFException(h);
2738	–	f.complete(v1);
2808		checkCompletedNormally(f, v1);
2809	<	checkCompletedNormally(g, v2);
2809	>	checkCompletedExceptionally(g, ex);
2810		}}
2811
2812		/**
2813		* runAfterEither result completes exceptionally if either source cancelled
2814		*/
2815	<	public void testRunAfterEither_sourceCancelled1() {
2815	>	public void testRunAfterEither_sourceCancelled() {
2816		for (ExecutionMode m : ExecutionMode.values())
2817		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2818		for (Integer v1 : new Integer[] { 1, null })
2819		{
2820		final CompletableFuture<Integer> f = new CompletableFuture<>();
2821		final CompletableFuture<Integer> g = new CompletableFuture<>();
2822	<	final Noop r = new Noop();
2823	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2822	>	final Noop[] rs = new Noop[6];
2823	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2824
2825	<	assertTrue(f.cancel(mayInterruptIfRunning));
2826	<	checkCompletedWithWrappedCancellationException(h);
2827	<	g.complete(v1);
2825	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2826	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2827	>	checkIncomplete(h0);
2828	>	checkIncomplete(h1);
2829	>	rs[0].assertNotInvoked();
2830	>	rs[1].assertNotInvoked();
2831	>	f.cancel(mayInterruptIfRunning);
2832	>	checkCompletedWithWrappedCancellationException(h0);
2833	>	checkCompletedWithWrappedCancellationException(h1);
2834	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2835	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2836	>	checkCompletedWithWrappedCancellationException(h2);
2837	>	checkCompletedWithWrappedCancellationException(h3);
2838
2839	<	checkCancelled(f);
2761	<	assertEquals(0, r.invocationCount);
2762	<	checkCompletedNormally(g, v1);
2763	<	checkCompletedWithWrappedCancellationException(h);
2764	<	}}
2765	<
2766	<	public void testRunAfterEither_sourceCancelled2() {
2767	<	for (ExecutionMode m : ExecutionMode.values())
2768	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2769	<	for (Integer v1 : new Integer[] { 1, null })
2770	<	{
2771	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2772	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2773	<	final Noop r = new Noop();
2774	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2775	<
2776	<	assertTrue(g.cancel(mayInterruptIfRunning));
2777	<	checkCompletedWithWrappedCancellationException(h);
2778	<	f.complete(v1);
2839	>	assertTrue(g.complete(v1));
2840
2841	<	checkCancelled(g);
2842	<	assertEquals(0, r.invocationCount);
2843	<	checkCompletedNormally(f, v1);
2783	<	checkCompletedWithWrappedCancellationException(h);
2784	<	}}
2785	<
2786	<	public void testRunAfterEither_sourceCancelled3() {
2787	<	for (ExecutionMode m : ExecutionMode.values())
2788	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2789	<	for (Integer v1 : new Integer[] { 1, null })
2790	<	{
2791	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2792	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2793	<	final Noop r = new Noop();
2794	<
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;
2841	>	// unspecified behavior - both source completions available
2842	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2843	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2844		try {
2845	<	assertNull(h.join());
2846	<	assertEquals(1, r.invocationCount);
2845	>	assertNull(h4.join());
2846	>	rs[4].assertInvoked();
2847		} catch (CompletionException ok) {
2848	<	checkCompletedWithWrappedCancellationException(h);
2849	<	assertEquals(0, r.invocationCount);
2848	>	checkCompletedWithWrappedCancellationException(h4);
2849	>	rs[4].assertNotInvoked();
2850		}
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;
2851		try {
2852	<	assertNull(h.join());
2853	<	assertEquals(1, r.invocationCount);
2852	>	assertNull(h5.join());
2853	>	rs[5].assertInvoked();
2854		} catch (CompletionException ok) {
2855	<	checkCompletedWithWrappedCancellationException(h);
2856	<	assertEquals(0, r.invocationCount);
2855	>	checkCompletedWithWrappedCancellationException(h5);
2856	>	rs[5].assertNotInvoked();
2857		}
2858
2859		checkCancelled(f);
2860		checkCompletedNormally(g, v1);
2861	+	checkCompletedWithWrappedCancellationException(h0);
2862	+	checkCompletedWithWrappedCancellationException(h1);
2863	+	checkCompletedWithWrappedCancellationException(h2);
2864	+	checkCompletedWithWrappedCancellationException(h3);
2865	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2866		}}
2867
2868		/**
2869	<	* thenCompose result completes normally after normal completion of source
2869	>	* runAfterEither result completes exceptionally if action does
2870		*/
2871	<	public void testThenCompose_normalCompletion1() {
2871	>	public void testRunAfterEither_actionFailed() {
2872		for (ExecutionMode m : ExecutionMode.values())
2873		for (Integer v1 : new Integer[] { 1, null })
2874	+	for (Integer v2 : new Integer[] { 2, null })
2875		{
2876		final CompletableFuture<Integer> f = new CompletableFuture<>();
2877	<	final CompletableFutureInc r = new CompletableFutureInc();
2878	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2879	<	f.complete(v1);
2880	<	checkCompletedNormally(g, inc(v1));
2877	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2878	>	final FailingRunnable[] rs = new FailingRunnable[6];
2879	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2880	>
2881	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2882	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2883	>	assertTrue(f.complete(v1));
2884	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2885	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2886	>	checkCompletedWithWrappedCFException(h0);
2887	>	checkCompletedWithWrappedCFException(h1);
2888	>	checkCompletedWithWrappedCFException(h2);
2889	>	checkCompletedWithWrappedCFException(h3);
2890	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2891	>	assertTrue(g.complete(v2));
2892	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2893	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2894	>	checkCompletedWithWrappedCFException(h4);
2895	>	checkCompletedWithWrappedCFException(h5);
2896	>
2897		checkCompletedNormally(f, v1);
2898	<	assertEquals(1, r.invocationCount);
2898	>	checkCompletedNormally(g, v2);
2899	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2900		}}
2901
2902	<	public void testThenCompose_normalCompletion2() {
2902	>	/**
2903	>	* thenCompose result completes normally after normal completion of source
2904	>	*/
2905	>	public void testThenCompose_normalCompletion() {
2906		for (ExecutionMode m : ExecutionMode.values())
2907	+	for (boolean createIncomplete : new boolean[] { true, false })
2908		for (Integer v1 : new Integer[] { 1, null })
2909		{
2910		final CompletableFuture<Integer> f = new CompletableFuture<>();
2911	<	final CompletableFutureInc r = new CompletableFutureInc();
2912	<	f.complete(v1);
2913	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2911	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2912	>	if (!createIncomplete) assertTrue(f.complete(v1));
2913	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2914	>	if (createIncomplete) assertTrue(f.complete(v1));
2915	>
2916		checkCompletedNormally(g, inc(v1));
2917		checkCompletedNormally(f, v1);
2918	<	assertEquals(1, r.invocationCount);
2918	>	r.assertValue(v1);
2919		}}
2920
2921		/**
2922		* thenCompose result completes exceptionally after exceptional
2923		* completion of source
2924		*/
2925	<	public void testThenCompose_exceptionalCompletion1() {
2925	>	public void testThenCompose_exceptionalCompletion() {
2926		for (ExecutionMode m : ExecutionMode.values())
2927	+	for (boolean createIncomplete : new boolean[] { true, false })
2928		{
2929		final CFException ex = new CFException();
2930	<	final CompletableFutureInc r = new CompletableFutureInc();
2930	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2931		final CompletableFuture<Integer> f = new CompletableFuture<>();
2932	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2933	<	f.completeExceptionally(ex);
2934	<	checkCompletedWithWrappedCFException(g, ex);
2882	<	checkCompletedWithWrappedCFException(f, ex);
2883	<	}}
2932	>	if (!createIncomplete) f.completeExceptionally(ex);
2933	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2934	>	if (createIncomplete) f.completeExceptionally(ex);
2935
2936	<	public void testThenCompose_exceptionalCompletion2() {
2937	<	for (ExecutionMode m : ExecutionMode.values())
2938	<	{
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);
2936	>	checkCompletedWithWrappedException(g, ex);
2937	>	checkCompletedExceptionally(f, ex);
2938	>	r.assertNotInvoked();
2939		}}
2940
2941		/**
2942		* thenCompose result completes exceptionally if action does
2943		*/
2944	<	public void testThenCompose_actionFailed1() {
2944	>	public void testThenCompose_actionFailed() {
2945		for (ExecutionMode m : ExecutionMode.values())
2946	+	for (boolean createIncomplete : new boolean[] { true, false })
2947		for (Integer v1 : new Integer[] { 1, null })
2948		{
2949		final CompletableFuture<Integer> f = new CompletableFuture<>();
2950		final FailingCompletableFutureFunction r
2951	<	= new FailingCompletableFutureFunction();
2952	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2953	<	f.complete(v1);
2954	<	checkCompletedWithWrappedCFException(g);
2910	<	checkCompletedNormally(f, v1);
2911	<	}}
2951	>	= new FailingCompletableFutureFunction(m);
2952	>	if (!createIncomplete) assertTrue(f.complete(v1));
2953	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2954	>	if (createIncomplete) assertTrue(f.complete(v1));
2955
2913	–	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);
2956		checkCompletedWithWrappedCFException(g);
2957		checkCompletedNormally(f, v1);
2958		}}
#	Line 2926 | Line 2960 | public class CompletableFutureTest exten
2960		/**
2961		* thenCompose result completes exceptionally if source cancelled
2962		*/
2963	<	public void testThenCompose_sourceCancelled1() {
2963	>	public void testThenCompose_sourceCancelled() {
2964		for (ExecutionMode m : ExecutionMode.values())
2965	+	for (boolean createIncomplete : new boolean[] { true, false })
2966		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2967		{
2968		final CompletableFuture<Integer> f = new CompletableFuture<>();
2969	<	final CompletableFutureInc r = new CompletableFutureInc();
2970	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2971	<	assertTrue(f.cancel(mayInterruptIfRunning));
2972	<	checkCompletedWithWrappedCancellationException(g);
2973	<	checkCancelled(f);
2974	<	}}
2969	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2970	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2971	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2972	>	if (createIncomplete) {
2973	>	checkIncomplete(g);
2974	>	assertTrue(f.cancel(mayInterruptIfRunning));
2975	>	}
2976
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);
2977		checkCompletedWithWrappedCancellationException(g);
2978		checkCancelled(f);
2979		}}
2980
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	–
3213	–	/**
3214	–	* 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	–
2981		/**
2982	<	* thenAcceptAsync result completes exceptionally if action does
2982	>	* thenCompose result completes exceptionally if the result of the action does
2983		*/
2984	<	public void testThenAcceptAsync3E() {
2985	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2986	<	FailingConsumer r = new FailingConsumer();
2987	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2988	<	f.complete(null);
2989	<	checkCompletedWithWrappedCFException(g);
2990	<	}
2984	>	public void testThenCompose_actionReturnsFailingFuture() {
2985	>	for (ExecutionMode m : ExecutionMode.values())
2986	>	for (int order = 0; order < 6; order++)
2987	>	for (Integer v1 : new Integer[] { 1, null })
2988	>	{
2989	>	final CFException ex = new CFException();
2990	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2991	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2992	>	final CompletableFuture<Integer> h;
2993	>	// Test all permutations of orders
2994	>	switch (order) {
2995	>	case 0:
2996	>	assertTrue(f.complete(v1));
2997	>	assertTrue(g.completeExceptionally(ex));
2998	>	h = m.thenCompose(f, (x -> g));
2999	>	break;
3000	>	case 1:
3001	>	assertTrue(f.complete(v1));
3002	>	h = m.thenCompose(f, (x -> g));
3003	>	assertTrue(g.completeExceptionally(ex));
3004	>	break;
3005	>	case 2:
3006	>	assertTrue(g.completeExceptionally(ex));
3007	>	assertTrue(f.complete(v1));
3008	>	h = m.thenCompose(f, (x -> g));
3009	>	break;
3010	>	case 3:
3011	>	assertTrue(g.completeExceptionally(ex));
3012	>	h = m.thenCompose(f, (x -> g));
3013	>	assertTrue(f.complete(v1));
3014	>	break;
3015	>	case 4:
3016	>	h = m.thenCompose(f, (x -> g));
3017	>	assertTrue(f.complete(v1));
3018	>	assertTrue(g.completeExceptionally(ex));
3019	>	break;
3020	>	case 5:
3021	>	h = m.thenCompose(f, (x -> g));
3022	>	assertTrue(f.complete(v1));
3023	>	assertTrue(g.completeExceptionally(ex));
3024	>	break;
3025	>	default: throw new AssertionError();
3026	>	}
3027
3028	<	/**
3029	<	* thenAcceptAsync result completes exceptionally if source cancelled
3030	<	*/
3031	<	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	<	}
3028	>	checkCompletedExceptionally(g, ex);
3029	>	checkCompletedWithWrappedException(h, ex);
3030	>	checkCompletedNormally(f, v1);
3031	>	}}
3032
3033		// other static methods
3034
#	Line 3260 | Line 3046 | public class CompletableFutureTest exten
3046		* when all components complete normally
3047		*/
3048		public void testAllOf_normal() throws Exception {
3049	<	for (int k = 1; k < 20; ++k) {
3050	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3051	<	for (int i = 0; i < k; ++i)
3049	>	for (int k = 1; k < 10; k++) {
3050	>	CompletableFuture<Integer>[] fs
3051	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3052	>	for (int i = 0; i < k; i++)
3053	>	fs[i] = new CompletableFuture<>();
3054	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3055	>	for (int i = 0; i < k; i++) {
3056	>	checkIncomplete(f);
3057	>	checkIncomplete(CompletableFuture.allOf(fs));
3058	>	fs[i].complete(one);
3059	>	}
3060	>	checkCompletedNormally(f, null);
3061	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3062	>	}
3063	>	}
3064	>
3065	>	public void testAllOf_backwards() throws Exception {
3066	>	for (int k = 1; k < 10; k++) {
3067	>	CompletableFuture<Integer>[] fs
3068	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3069	>	for (int i = 0; i < k; i++)
3070		fs[i] = new CompletableFuture<>();
3071		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3072	<	for (int i = 0; i < k; ++i) {
3072	>	for (int i = k - 1; i >= 0; i--) {
3073		checkIncomplete(f);
3074		checkIncomplete(CompletableFuture.allOf(fs));
3075		fs[i].complete(one);
#	Line 3275 | Line 3079 | public class CompletableFutureTest exten
3079		}
3080		}
3081
3082	+	public void testAllOf_exceptional() throws Exception {
3083	+	for (int k = 1; k < 10; k++) {
3084	+	CompletableFuture<Integer>[] fs
3085	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3086	+	CFException ex = new CFException();
3087	+	for (int i = 0; i < k; i++)
3088	+	fs[i] = new CompletableFuture<>();
3089	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3090	+	for (int i = 0; i < k; i++) {
3091	+	checkIncomplete(f);
3092	+	checkIncomplete(CompletableFuture.allOf(fs));
3093	+	if (i != k / 2) {
3094	+	fs[i].complete(i);
3095	+	checkCompletedNormally(fs[i], i);
3096	+	} else {
3097	+	fs[i].completeExceptionally(ex);
3098	+	checkCompletedExceptionally(fs[i], ex);
3099	+	}
3100	+	}
3101	+	checkCompletedWithWrappedException(f, ex);
3102	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3103	+	}
3104	+	}
3105	+
3106		/**
3107		* anyOf(no component futures) returns an incomplete future
3108		*/
3109		public void testAnyOf_empty() throws Exception {
3110	+	for (Integer v1 : new Integer[] { 1, null })
3111	+	{
3112		CompletableFuture<Object> f = CompletableFuture.anyOf();
3113		checkIncomplete(f);
3114	<	}
3114	>
3115	>	f.complete(v1);
3116	>	checkCompletedNormally(f, v1);
3117	>	}}
3118
3119		/**
3120		* anyOf returns a future completed normally with a value when
3121		* a component future does
3122		*/
3123		public void testAnyOf_normal() throws Exception {
3124	<	for (int k = 0; k < 10; ++k) {
3124	>	for (int k = 0; k < 10; k++) {
3125		CompletableFuture[] fs = new CompletableFuture[k];
3126	<	for (int i = 0; i < k; ++i)
3126	>	for (int i = 0; i < k; i++)
3127		fs[i] = new CompletableFuture<>();
3128		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3129		checkIncomplete(f);
3130	<	for (int i = 0; i < k; ++i) {
3131	<	fs[i].complete(one);
3132	<	checkCompletedNormally(f, one);
3133	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3130	>	for (int i = 0; i < k; i++) {
3131	>	fs[i].complete(i);
3132	>	checkCompletedNormally(f, 0);
3133	>	int x = (int) CompletableFuture.anyOf(fs).join();
3134	>	assertTrue(0 <= x && x <= i);
3135	>	}
3136	>	}
3137	>	}
3138	>	public void testAnyOf_normal_backwards() throws Exception {
3139	>	for (int k = 0; k < 10; k++) {
3140	>	CompletableFuture[] fs = new CompletableFuture[k];
3141	>	for (int i = 0; i < k; i++)
3142	>	fs[i] = new CompletableFuture<>();
3143	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3144	>	checkIncomplete(f);
3145	>	for (int i = k - 1; i >= 0; i--) {
3146	>	fs[i].complete(i);
3147	>	checkCompletedNormally(f, k - 1);
3148	>	int x = (int) CompletableFuture.anyOf(fs).join();
3149	>	assertTrue(i <= x && x <= k - 1);
3150		}
3151		}
3152		}
#	Line 3306 | Line 3155 | public class CompletableFutureTest exten
3155		* anyOf result completes exceptionally when any component does.
3156		*/
3157		public void testAnyOf_exceptional() throws Exception {
3158	<	for (int k = 0; k < 10; ++k) {
3158	>	for (int k = 0; k < 10; k++) {
3159		CompletableFuture[] fs = new CompletableFuture[k];
3160	<	for (int i = 0; i < k; ++i)
3160	>	CFException[] exs = new CFException[k];
3161	>	for (int i = 0; i < k; i++) {
3162		fs[i] = new CompletableFuture<>();
3163	+	exs[i] = new CFException();
3164	+	}
3165		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3166		checkIncomplete(f);
3167	<	for (int i = 0; i < k; ++i) {
3168	<	fs[i].completeExceptionally(new CFException());
3169	<	checkCompletedWithWrappedCFException(f);
3167	>	for (int i = 0; i < k; i++) {
3168	>	fs[i].completeExceptionally(exs[i]);
3169	>	checkCompletedWithWrappedException(f, exs[0]);
3170	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3171	>	}
3172	>	}
3173	>	}
3174	>
3175	>	public void testAnyOf_exceptional_backwards() throws Exception {
3176	>	for (int k = 0; k < 10; k++) {
3177	>	CompletableFuture[] fs = new CompletableFuture[k];
3178	>	CFException[] exs = new CFException[k];
3179	>	for (int i = 0; i < k; i++) {
3180	>	fs[i] = new CompletableFuture<>();
3181	>	exs[i] = new CFException();
3182	>	}
3183	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3184	>	checkIncomplete(f);
3185	>	for (int i = k - 1; i >= 0; i--) {
3186	>	fs[i].completeExceptionally(exs[i]);
3187	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3188		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3189		}
3190		}
#	Line 3327 | Line 3197 | public class CompletableFutureTest exten
3197		CompletableFuture<Integer> f = new CompletableFuture<>();
3198		CompletableFuture<Integer> g = new CompletableFuture<>();
3199		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3330	–	CompletableFuture<?> h;
3200		ThreadExecutor exec = new ThreadExecutor();
3201
3202		Runnable[] throwingActions = {
3203		() -> CompletableFuture.supplyAsync(null),
3204		() -> CompletableFuture.supplyAsync(null, exec),
3205	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3205	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3206
3207		() -> CompletableFuture.runAsync(null),
3208		() -> CompletableFuture.runAsync(null, exec),
#	Line 3406 | Line 3275 | public class CompletableFutureTest exten
3275
3276		() -> f.thenCompose(null),
3277		() -> f.thenComposeAsync(null),
3278	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3278	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3279		() -> f.thenComposeAsync(null, exec),
3280
3281		() -> f.exceptionally(null),
#	Line 3424 | Line 3293 | public class CompletableFutureTest exten
3293		() -> CompletableFuture.anyOf(null, f),
3294
3295		() -> f.obtrudeException(null),
3296	+
3297	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3298	+	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3299	+	() -> CompletableFuture.delayedExecutor(1L, null),
3300	+
3301	+	() -> f.orTimeout(1L, null),
3302	+	() -> f.completeOnTimeout(42, 1L, null),
3303	+
3304	+	() -> CompletableFuture.failedFuture(null),
3305	+	() -> CompletableFuture.failedStage(null),
3306		};
3307
3308		assertThrows(NullPointerException.class, throwingActions);
#	Line 3438 | Line 3317 | public class CompletableFutureTest exten
3317		assertSame(f, f.toCompletableFuture());
3318		}
3319
3320	+	// jdk9
3321	+
3322		/**
3323	<	* whenComplete action executes on normal completion, propagating
3443	<	* source result.
3323	>	* newIncompleteFuture returns an incomplete CompletableFuture
3324		*/
3325	<	public void testWhenComplete_normalCompletion1() {
3446	<	for (ExecutionMode m : ExecutionMode.values())
3447	<	for (boolean createIncomplete : new boolean[] { true, false })
3325	>	public void testNewIncompleteFuture() {
3326		for (Integer v1 : new Integer[] { 1, null })
3327		{
3328	<	final AtomicInteger a = new AtomicInteger(0);
3329	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3330	<	if (!createIncomplete) f.complete(v1);
3331	<	final CompletableFuture<Integer> g = m.whenComplete
3332	<	(f,
3455	<	(Integer x, Throwable t) -> {
3456	<	threadAssertSame(x, v1);
3457	<	threadAssertNull(t);
3458	<	a.getAndIncrement();
3459	<	});
3460	<	if (createIncomplete) f.complete(v1);
3461	<
3462	<	checkCompletedNormally(g, v1);
3328	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3329	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3330	>	checkIncomplete(f);
3331	>	checkIncomplete(g);
3332	>	f.complete(v1);
3333		checkCompletedNormally(f, v1);
3334	<	assertEquals(1, a.get());
3334	>	checkIncomplete(g);
3335	>	g.complete(v1);
3336	>	checkCompletedNormally(g, v1);
3337	>	assertSame(g.getClass(), CompletableFuture.class);
3338		}}
3339
3340		/**
3341	<	* whenComplete action executes on exceptional completion, propagating
3469	<	* source result.
3341	>	* completedStage returns a completed CompletionStage
3342		*/
3343	<	public void testWhenComplete_exceptionalCompletion() {
3344	<	for (ExecutionMode m : ExecutionMode.values())
3345	<	for (boolean createIncomplete : new boolean[] { true, false })
3343	>	public void testCompletedStage() {
3344	>	AtomicInteger x = new AtomicInteger(0);
3345	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3346	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3347	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3348	>	assertEquals(x.get(), 1);
3349	>	assertNull(r.get());
3350	>	}
3351	>
3352	>	/**
3353	>	* defaultExecutor by default returns the commonPool if
3354	>	* it supports more than one thread.
3355	>	*/
3356	>	public void testDefaultExecutor() {
3357	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3358	>	Executor e = f.defaultExecutor();
3359	>	Executor c = ForkJoinPool.commonPool();
3360	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3361	>	assertSame(e, c);
3362	>	else
3363	>	assertNotSame(e, c);
3364	>	}
3365	>
3366	>	/**
3367	>	* failedFuture returns a CompletableFuture completed
3368	>	* exceptionally with the given Exception
3369	>	*/
3370	>	public void testFailedFuture() {
3371	>	CFException ex = new CFException();
3372	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3373	>	checkCompletedExceptionally(f, ex);
3374	>	}
3375	>
3376	>	/**
3377	>	* failedFuture(null) throws NPE
3378	>	*/
3379	>	public void testFailedFuture_null() {
3380	>	try {
3381	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3382	>	shouldThrow();
3383	>	} catch (NullPointerException success) {}
3384	>	}
3385	>
3386	>	/**
3387	>	* copy returns a CompletableFuture that is completed normally,
3388	>	* with the same value, when source is.
3389	>	*/
3390	>	public void testCopy() {
3391	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3392	>	CompletableFuture<Integer> g = f.copy();
3393	>	checkIncomplete(f);
3394	>	checkIncomplete(g);
3395	>	f.complete(1);
3396	>	checkCompletedNormally(f, 1);
3397	>	checkCompletedNormally(g, 1);
3398	>	}
3399	>
3400	>	/**
3401	>	* copy returns a CompletableFuture that is completed exceptionally
3402	>	* when source is.
3403	>	*/
3404	>	public void testCopy2() {
3405	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3406	>	CompletableFuture<Integer> g = f.copy();
3407	>	checkIncomplete(f);
3408	>	checkIncomplete(g);
3409	>	CFException ex = new CFException();
3410	>	f.completeExceptionally(ex);
3411	>	checkCompletedExceptionally(f, ex);
3412	>	checkCompletedWithWrappedException(g, ex);
3413	>	}
3414	>
3415	>	/**
3416	>	* minimalCompletionStage returns a CompletableFuture that is
3417	>	* completed normally, with the same value, when source is.
3418	>	*/
3419	>	public void testMinimalCompletionStage() {
3420	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3421	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3422	>	AtomicInteger x = new AtomicInteger(0);
3423	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3424	>	checkIncomplete(f);
3425	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3426	>	f.complete(1);
3427	>	checkCompletedNormally(f, 1);
3428	>	assertEquals(x.get(), 1);
3429	>	assertNull(r.get());
3430	>	}
3431	>
3432	>	/**
3433	>	* minimalCompletionStage returns a CompletableFuture that is
3434	>	* completed exceptionally when source is.
3435	>	*/
3436	>	public void testMinimalCompletionStage2() {
3437	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3438	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3439	>	AtomicInteger x = new AtomicInteger(0);
3440	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3441	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3442	>	checkIncomplete(f);
3443	>	CFException ex = new CFException();
3444	>	f.completeExceptionally(ex);
3445	>	checkCompletedExceptionally(f, ex);
3446	>	assertEquals(x.get(), 0);
3447	>	assertEquals(r.get().getCause(), ex);
3448	>	}
3449	>
3450	>	/**
3451	>	* failedStage returns a CompletionStage completed
3452	>	* exceptionally with the given Exception
3453	>	*/
3454	>	public void testFailedStage() {
3455	>	CFException ex = new CFException();
3456	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3457	>	AtomicInteger x = new AtomicInteger(0);
3458	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3459	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3460	>	assertEquals(x.get(), 0);
3461	>	assertEquals(r.get(), ex);
3462	>	}
3463	>
3464	>	/**
3465	>	* completeAsync completes with value of given supplier
3466	>	*/
3467	>	public void testCompleteAsync() {
3468		for (Integer v1 : new Integer[] { 1, null })
3469		{
3470	<	final AtomicInteger a = new AtomicInteger(0);
3471	<	final CFException ex = new CFException();
3472	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3473	<	if (!createIncomplete) f.completeExceptionally(ex);
3480	<	final CompletableFuture<Integer> g = m.whenComplete
3481	<	(f,
3482	<	(Integer x, Throwable t) -> {
3483	<	threadAssertNull(x);
3484	<	threadAssertSame(t, ex);
3485	<	a.getAndIncrement();
3486	<	});
3487	<	if (createIncomplete) f.completeExceptionally(ex);
3488	<	checkCompletedWithWrappedCFException(f, ex);
3489	<	checkCompletedWithWrappedCFException(g, ex);
3490	<	assertEquals(1, a.get());
3470	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3471	>	f.completeAsync(() -> v1);
3472	>	f.join();
3473	>	checkCompletedNormally(f, v1);
3474		}}
3475
3476		/**
3477	<	* whenComplete action executes on cancelled source, propagating
3495	<	* CancellationException.
3477	>	* completeAsync completes exceptionally if given supplier throws
3478		*/
3479	<	public void testWhenComplete_sourceCancelled() {
3480	<	for (ExecutionMode m : ExecutionMode.values())
3481	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3482	<	for (boolean createIncomplete : new boolean[] { true, false })
3479	>	public void testCompleteAsync2() {
3480	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3481	>	CFException ex = new CFException();
3482	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3483	>	try {
3484	>	f.join();
3485	>	shouldThrow();
3486	>	} catch (CompletionException success) {}
3487	>	checkCompletedWithWrappedException(f, ex);
3488	>	}
3489	>
3490	>	/**
3491	>	* completeAsync with given executor completes with value of given supplier
3492	>	*/
3493	>	public void testCompleteAsync3() {
3494	>	for (Integer v1 : new Integer[] { 1, null })
3495		{
3496	<	final AtomicInteger a = new AtomicInteger(0);
3497	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3498	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3499	<	final CompletableFuture<Integer> g = m.whenComplete
3500	<	(f,
3501	<	(Integer x, Throwable t) -> {
3502	<	threadAssertNull(x);
3509	<	threadAssertTrue(t instanceof CancellationException);
3510	<	a.getAndIncrement();
3511	<	});
3512	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3496	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3497	>	ThreadExecutor executor = new ThreadExecutor();
3498	>	f.completeAsync(() -> v1, executor);
3499	>	assertSame(v1, f.join());
3500	>	checkCompletedNormally(f, v1);
3501	>	assertEquals(1, executor.count.get());
3502	>	}}
3503
3504	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3505	<	checkCompletedWithWrappedCancellationException(g);
3506	<	checkCancelled(f);
3507	<	assertEquals(1, a.get());
3504	>	/**
3505	>	* completeAsync with given executor completes exceptionally if
3506	>	* given supplier throws
3507	>	*/
3508	>	public void testCompleteAsync4() {
3509	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3510	>	CFException ex = new CFException();
3511	>	ThreadExecutor executor = new ThreadExecutor();
3512	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3513	>	try {
3514	>	f.join();
3515	>	shouldThrow();
3516	>	} catch (CompletionException success) {}
3517	>	checkCompletedWithWrappedException(f, ex);
3518	>	assertEquals(1, executor.count.get());
3519	>	}
3520	>
3521	>	/**
3522	>	* orTimeout completes with TimeoutException if not complete
3523	>	*/
3524	>	public void testOrTimeout_timesOut() {
3525	>	long timeoutMillis = timeoutMillis();
3526	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3527	>	long startTime = System.nanoTime();
3528	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3529	>	checkCompletedWithTimeoutException(f);
3530	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3531	>	}
3532	>
3533	>	/**
3534	>	* orTimeout completes normally if completed before timeout
3535	>	*/
3536	>	public void testOrTimeout_completed() {
3537	>	for (Integer v1 : new Integer[] { 1, null })
3538	>	{
3539	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3540	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3541	>	long startTime = System.nanoTime();
3542	>	f.complete(v1);
3543	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3544	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3545	>	g.complete(v1);
3546	>	checkCompletedNormally(f, v1);
3547	>	checkCompletedNormally(g, v1);
3548	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3549		}}
3550
3551		/**
3552	<	* If a whenComplete action throws an exception when triggered by
3522	<	* a normal completion, it completes exceptionally
3552	>	* completeOnTimeout completes with given value if not complete
3553		*/
3554	<	public void testWhenComplete_actionFailed() {
3555	<	for (boolean createIncomplete : new boolean[] { true, false })
3556	<	for (ExecutionMode m : ExecutionMode.values())
3554	>	public void testCompleteOnTimeout_timesOut() {
3555	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3556	>	() -> testCompleteOnTimeout_timesOut(null));
3557	>	}
3558	>
3559	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3560	>	long timeoutMillis = timeoutMillis();
3561	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3562	>	long startTime = System.nanoTime();
3563	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3564	>	assertSame(v, f.join());
3565	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3566	>	f.complete(99);         // should have no effect
3567	>	checkCompletedNormally(f, v);
3568	>	}
3569	>
3570	>	/**
3571	>	* completeOnTimeout has no effect if completed within timeout
3572	>	*/
3573	>	public void testCompleteOnTimeout_completed() {
3574		for (Integer v1 : new Integer[] { 1, null })
3575		{
3576	<	final AtomicInteger a = new AtomicInteger(0);
3577	<	final CFException ex = new CFException();
3578	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3579	<	if (!createIncomplete) f.complete(v1);
3580	<	final CompletableFuture<Integer> g = m.whenComplete
3581	<	(f,
3582	<	(Integer x, Throwable t) -> {
3536	<	threadAssertSame(x, v1);
3537	<	threadAssertNull(t);
3538	<	a.getAndIncrement();
3539	<	throw ex;
3540	<	});
3541	<	if (createIncomplete) f.complete(v1);
3576	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3577	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3578	>	long startTime = System.nanoTime();
3579	>	f.complete(v1);
3580	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3581	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3582	>	g.complete(v1);
3583		checkCompletedNormally(f, v1);
3584	<	checkCompletedWithWrappedCFException(g, ex);
3585	<	assertEquals(1, a.get());
3584	>	checkCompletedNormally(g, v1);
3585	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3586		}}
3587
3588		/**
3589	<	* If a whenComplete action throws an exception when triggered by
3549	<	* a source completion that also throws an exception, the source
3550	<	* exception takes precedence.
3589	>	* delayedExecutor returns an executor that delays submission
3590		*/
3591	<	public void testWhenComplete_actionFailedSourceFailed() {
3592	<	for (boolean createIncomplete : new boolean[] { true, false })
3591	>	public void testDelayedExecutor() {
3592	>	testInParallel(() -> testDelayedExecutor(null, null),
3593	>	() -> testDelayedExecutor(null, 1),
3594	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3595	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3596	>	}
3597	>
3598	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3599	>	long timeoutMillis = timeoutMillis();
3600	>	// Use an "unreasonably long" long timeout to catch lingering threads
3601	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3602	>	final Executor delayer, longDelayer;
3603	>	if (executor == null) {
3604	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3605	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3606	>	} else {
3607	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3608	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3609	>	}
3610	>	long startTime = System.nanoTime();
3611	>	CompletableFuture<Integer> f =
3612	>	CompletableFuture.supplyAsync(() -> v, delayer);
3613	>	CompletableFuture<Integer> g =
3614	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3615	>
3616	>	assertNull(g.getNow(null));
3617	>
3618	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3619	>	long millisElapsed = millisElapsedSince(startTime);
3620	>	assertTrue(millisElapsed >= timeoutMillis);
3621	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3622	>
3623	>	checkCompletedNormally(f, v);
3624	>
3625	>	checkIncomplete(g);
3626	>	assertTrue(g.cancel(true));
3627	>	}
3628	>
3629	>	//--- tests of implementation details; not part of official tck ---
3630	>
3631	>	Object resultOf(CompletableFuture<?> f) {
3632	>	try {
3633	>	java.lang.reflect.Field resultField
3634	>	= CompletableFuture.class.getDeclaredField("result");
3635	>	resultField.setAccessible(true);
3636	>	return resultField.get(f);
3637	>	} catch (Throwable t) { throw new AssertionError(t); }
3638	>	}
3639	>
3640	>	public void testExceptionPropagationReusesResultObject() {
3641	>	if (!testImplementationDetails) return;
3642		for (ExecutionMode m : ExecutionMode.values())
3555	–	for (Integer v1 : new Integer[] { 1, null })
3643		{
3644	<	final AtomicInteger a = new AtomicInteger(0);
3645	<	final CFException ex1 = new CFException();
3646	<	final CFException ex2 = new CFException();
3560	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3644	>	final CFException ex = new CFException();
3645	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3646	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3647
3648	<	if (!createIncomplete) f.completeExceptionally(ex1);
3649	<	final CompletableFuture<Integer> g = m.whenComplete
3564	<	(f,
3565	<	(Integer x, Throwable t) -> {
3566	<	threadAssertSame(t, ex1);
3567	<	threadAssertNull(x);
3568	<	a.getAndIncrement();
3569	<	throw ex2;
3570	<	});
3571	<	if (createIncomplete) f.completeExceptionally(ex1);
3648	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3649	>	= new ArrayList<>();
3650
3651	<	checkCompletedWithWrappedCFException(f, ex1);
3652	<	checkCompletedWithWrappedCFException(g, ex1);
3653	<	assertEquals(1, a.get());
3651	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3652	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3653	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3654	>
3655	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3656	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3657	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3658	>
3659	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3660	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3661	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3662	>
3663	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3664	>
3665	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3666	>
3667	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3668	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3669	>
3670	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3671	>	fun : funs) {
3672	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3673	>	f.completeExceptionally(ex);
3674	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3675	>	checkCompletedWithWrappedException(src, ex);
3676	>	CompletableFuture<?> dep = fun.apply(src);
3677	>	checkCompletedWithWrappedException(dep, ex);
3678	>	assertSame(resultOf(src), resultOf(dep));
3679	>	}
3680	>
3681	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3682	>	fun : funs) {
3683	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3684	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3685	>	CompletableFuture<?> dep = fun.apply(src);
3686	>	f.completeExceptionally(ex);
3687	>	checkCompletedWithWrappedException(src, ex);
3688	>	checkCompletedWithWrappedException(dep, ex);
3689	>	assertSame(resultOf(src), resultOf(dep));
3690	>	}
3691	>
3692	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3693	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3694	>	fun : funs) {
3695	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3696	>	f.cancel(mayInterruptIfRunning);
3697	>	checkCancelled(f);
3698	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3699	>	checkCompletedWithWrappedCancellationException(src);
3700	>	CompletableFuture<?> dep = fun.apply(src);
3701	>	checkCompletedWithWrappedCancellationException(dep);
3702	>	assertSame(resultOf(src), resultOf(dep));
3703	>	}
3704	>
3705	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3706	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3707	>	fun : funs) {
3708	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3709	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3710	>	CompletableFuture<?> dep = fun.apply(src);
3711	>	f.cancel(mayInterruptIfRunning);
3712	>	checkCancelled(f);
3713	>	checkCompletedWithWrappedCancellationException(src);
3714	>	checkCompletedWithWrappedCancellationException(dep);
3715	>	assertSame(resultOf(src), resultOf(dep));
3716	>	}
3717		}}
3718
3719	+	/**
3720	+	* Minimal completion stages throw UOE for all non-CompletionStage methods
3721	+	*/
3722	+	public void testMinimalCompletionStage_minimality() {
3723	+	if (!testImplementationDetails) return;
3724	+	Function<Method, String> toSignature =
3725	+	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3726	+	Predicate<Method> isNotStatic =
3727	+	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3728	+	List<Method> minimalMethods =
3729	+	Stream.of(Object.class, CompletionStage.class)
3730	+	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3731	+	.filter(isNotStatic)
3732	+	.collect(Collectors.toList());
3733	+	// Methods from CompletableFuture permitted NOT to throw UOE
3734	+	String[] signatureWhitelist = {
3735	+	"newIncompleteFuture[]",
3736	+	"defaultExecutor[]",
3737	+	"minimalCompletionStage[]",
3738	+	"copy[]",
3739	+	};
3740	+	Set<String> permittedMethodSignatures =
3741	+	Stream.concat(minimalMethods.stream().map(toSignature),
3742	+	Stream.of(signatureWhitelist))
3743	+	.collect(Collectors.toSet());
3744	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3745	+	.filter(isNotStatic)
3746	+	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3747	+	.collect(Collectors.toList());
3748	+
3749	+	CompletionStage<Integer> minimalStage =
3750	+	new CompletableFuture<Integer>().minimalCompletionStage();
3751	+
3752	+	List<Method> bugs = new ArrayList<>();
3753	+	for (Method method : allMethods) {
3754	+	Class<?>[] parameterTypes = method.getParameterTypes();
3755	+	Object[] args = new Object[parameterTypes.length];
3756	+	// Manufacture boxed primitives for primitive params
3757	+	for (int i = 0; i < args.length; i++) {
3758	+	Class<?> type = parameterTypes[i];
3759	+	if (parameterTypes[i] == boolean.class)
3760	+	args[i] = false;
3761	+	else if (parameterTypes[i] == int.class)
3762	+	args[i] = 0;
3763	+	else if (parameterTypes[i] == long.class)
3764	+	args[i] = 0L;
3765	+	}
3766	+	try {
3767	+	method.invoke(minimalStage, args);
3768	+	bugs.add(method);
3769	+	}
3770	+	catch (java.lang.reflect.InvocationTargetException expected) {
3771	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3772	+	bugs.add(method);
3773	+	// expected.getCause().printStackTrace();
3774	+	}
3775	+	}
3776	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3777	+	}
3778	+	if (!bugs.isEmpty())
3779	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3780	+	}
3781	+
3782	+	static class Monad {
3783	+	static class ZeroException extends RuntimeException {
3784	+	public ZeroException() { super("monadic zero"); }
3785	+	}
3786	+	// "return", "unit"
3787	+	static <T> CompletableFuture<T> unit(T value) {
3788	+	return completedFuture(value);
3789	+	}
3790	+	// monadic zero ?
3791	+	static <T> CompletableFuture<T> zero() {
3792	+	return failedFuture(new ZeroException());
3793	+	}
3794	+	// >=>
3795	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3796	+	(Function<T, CompletableFuture<U>> f,
3797	+	Function<U, CompletableFuture<V>> g) {
3798	+	return (x) -> f.apply(x).thenCompose(g);
3799	+	}
3800	+
3801	+	static void assertZero(CompletableFuture<?> f) {
3802	+	try {
3803	+	f.getNow(null);
3804	+	throw new AssertionFailedError("should throw");
3805	+	} catch (CompletionException success) {
3806	+	assertTrue(success.getCause() instanceof ZeroException);
3807	+	}
3808	+	}
3809	+
3810	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3811	+	CompletableFuture<T> g) {
3812	+	T fval = null, gval = null;
3813	+	Throwable fex = null, gex = null;
3814	+
3815	+	try { fval = f.get(); }
3816	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3817	+	catch (Throwable ex) { fex = ex; }
3818	+
3819	+	try { gval = g.get(); }
3820	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3821	+	catch (Throwable ex) { gex = ex; }
3822	+
3823	+	if (fex != null || gex != null)
3824	+	assertSame(fex.getClass(), gex.getClass());
3825	+	else
3826	+	assertEquals(fval, gval);
3827	+	}
3828	+
3829	+	static class PlusFuture<T> extends CompletableFuture<T> {
3830	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3831	+	}
3832	+
3833	+	/** Implements "monadic plus". */
3834	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3835	+	CompletableFuture<? extends T> g) {
3836	+	PlusFuture<T> plus = new PlusFuture<T>();
3837	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3838	+	try {
3839	+	if (ex == null) {
3840	+	if (plus.complete(result))
3841	+	if (plus.firstFailure.get() != null)
3842	+	plus.firstFailure.set(null);
3843	+	}
3844	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
3845	+	if (plus.isDone())
3846	+	plus.firstFailure.set(null);
3847	+	}
3848	+	else {
3849	+	// first failure has precedence
3850	+	Throwable first = plus.firstFailure.getAndSet(null);
3851	+
3852	+	// may fail with "Self-suppression not permitted"
3853	+	try { first.addSuppressed(ex); }
3854	+	catch (Exception ignored) {}
3855	+
3856	+	plus.completeExceptionally(first);
3857	+	}
3858	+	} catch (Throwable unexpected) {
3859	+	plus.completeExceptionally(unexpected);
3860	+	}
3861	+	};
3862	+	f.whenComplete(action);
3863	+	g.whenComplete(action);
3864	+	return plus;
3865	+	}
3866	+	}
3867	+
3868	+	/**
3869	+	* CompletableFuture is an additive monad - sort of.
3870	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3871	+	*/
3872	+	public void testAdditiveMonad() throws Throwable {
3873	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3874	+	CompletableFuture<Long> zero = Monad.zero();
3875	+
3876	+	// Some mutually non-commutative functions
3877	+	Function<Long, CompletableFuture<Long>> triple
3878	+	= (x) -> Monad.unit(3 * x);
3879	+	Function<Long, CompletableFuture<Long>> inc
3880	+	= (x) -> Monad.unit(x + 1);
3881	+
3882	+	// unit is a right identity: m >>= unit === m
3883	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3884	+	inc.apply(5L));
3885	+	// unit is a left identity: (unit x) >>= f === f x
3886	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3887	+	inc.apply(5L));
3888	+
3889	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3890	+	Monad.assertFutureEquals(
3891	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3892	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3893	+
3894	+	// The case for CompletableFuture as an additive monad is weaker...
3895	+
3896	+	// zero is a monadic zero
3897	+	Monad.assertZero(zero);
3898	+
3899	+	// left zero: zero >>= f === zero
3900	+	Monad.assertZero(zero.thenCompose(inc));
3901	+	// right zero: f >>= (\x -> zero) === zero
3902	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3903	+
3904	+	// f plus zero === f
3905	+	Monad.assertFutureEquals(Monad.unit(5L),
3906	+	Monad.plus(Monad.unit(5L), zero));
3907	+	// zero plus f === f
3908	+	Monad.assertFutureEquals(Monad.unit(5L),
3909	+	Monad.plus(zero, Monad.unit(5L)));
3910	+	// zero plus zero === zero
3911	+	Monad.assertZero(Monad.plus(zero, zero));
3912	+	{
3913	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3914	+	Monad.unit(8L));
3915	+	// non-determinism
3916	+	assertTrue(f.get() == 5L || f.get() == 8L);
3917	+	}
3918	+
3919	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3920	+	// f plus godot === f (doesn't wait for godot)
3921	+	Monad.assertFutureEquals(Monad.unit(5L),
3922	+	Monad.plus(Monad.unit(5L), godot));
3923	+	// godot plus f === f (doesn't wait for godot)
3924	+	Monad.assertFutureEquals(Monad.unit(5L),
3925	+	Monad.plus(godot, Monad.unit(5L)));
3926	+	}
3927	+
3928	+	/**
3929	+	* A single CompletableFuture with many dependents.
3930	+	* A demo of scalability - runtime is O(n).
3931	+	*/
3932	+	public void testManyDependents() throws Throwable {
3933	+	final int n = 1_000;
3934	+	final CompletableFuture<Void> head = new CompletableFuture<>();
3935	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
3936	+	final AtomicInteger count = new AtomicInteger(0);
3937	+	for (int i = 0; i < n; i++) {
3938	+	head.thenRun(() -> count.getAndIncrement());
3939	+	head.thenAccept((x) -> count.getAndIncrement());
3940	+	head.thenApply((x) -> count.getAndIncrement());
3941	+
3942	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
3943	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
3944	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
3945	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
3946	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
3947	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
3948	+
3949	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
3950	+	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3951	+	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3952	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
3953	+	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
3954	+	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
3955	+	}
3956	+	head.complete(null);
3957	+	assertEquals(5 * 3 * n, count.get());
3958	+	}
3959	+
3960	+	//     static <U> U join(CompletionStage<U> stage) {
3961	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3962	+	//         stage.whenComplete((v, ex) -> {
3963	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3964	+	//         });
3965	+	//         return f.join();
3966	+	//     }
3967	+
3968	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3969	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3970	+	//         stage.whenComplete((v, ex) -> {
3971	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3972	+	//         });
3973	+	//         return f.isDone();
3974	+	//     }
3975	+
3976	+	//     static <U> U join2(CompletionStage<U> stage) {
3977	+	//         return stage.toCompletableFuture().copy().join();
3978	+	//     }
3979	+
3980	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3981	+	//         return stage.toCompletableFuture().copy().isDone();
3982	+	//     }
3983	+
3984		}

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