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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.46 by jsr166, Mon Jun 2 17:41:22 2014 UTC vs.
Revision 1.132 by jsr166, Sun Nov 15 19:37:48 2015 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33		import java.util.concurrent.TimeoutException;
34	+	import java.util.concurrent.TimeUnit;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
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 739 | Line 878 | public class CompletableFutureTest exten
878
879		public void testExceptionally_exceptionalCompletionActionFailed() {
880		for (boolean createIncomplete : new boolean[] { true, false })
742	–	for (Integer v1 : new Integer[] { 1, null })
881		{
882		final AtomicInteger a = new AtomicInteger(0);
883		final CFException ex1 = new CFException();
#	Line 748 | Line 886 | public class CompletableFutureTest exten
886		if (!createIncomplete) f.completeExceptionally(ex1);
887		final CompletableFuture<Integer> g = f.exceptionally
888		((Throwable t) -> {
889	+	ExecutionMode.SYNC.checkExecutionMode();
890	+	threadAssertSame(t, ex1);
891	+	a.getAndIncrement();
892	+	throw ex2;
893	+	});
894	+	if (createIncomplete) f.completeExceptionally(ex1);
895	+
896	+	checkCompletedWithWrappedException(g, ex2);
897	+	assertEquals(1, a.get());
898	+	}}
899	+
900	+	/**
901	+	* whenComplete action executes on normal completion, propagating
902	+	* source result.
903	+	*/
904	+	public void testWhenComplete_normalCompletion() {
905	+	for (ExecutionMode m : ExecutionMode.values())
906	+	for (boolean createIncomplete : new boolean[] { true, false })
907	+	for (Integer v1 : new Integer[] { 1, null })
908	+	{
909	+	final AtomicInteger a = new AtomicInteger(0);
910	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
911	+	if (!createIncomplete) assertTrue(f.complete(v1));
912	+	final CompletableFuture<Integer> g = m.whenComplete
913	+	(f,
914	+	(Integer x, Throwable t) -> {
915	+	m.checkExecutionMode();
916	+	threadAssertSame(x, v1);
917	+	threadAssertNull(t);
918	+	a.getAndIncrement();
919	+	});
920	+	if (createIncomplete) assertTrue(f.complete(v1));
921	+
922	+	checkCompletedNormally(g, v1);
923	+	checkCompletedNormally(f, v1);
924	+	assertEquals(1, a.get());
925	+	}}
926	+
927	+	/**
928	+	* whenComplete action executes on exceptional completion, propagating
929	+	* source result.
930	+	*/
931	+	public void testWhenComplete_exceptionalCompletion() {
932	+	for (ExecutionMode m : ExecutionMode.values())
933	+	for (boolean createIncomplete : new boolean[] { true, false })
934	+	{
935	+	final AtomicInteger a = new AtomicInteger(0);
936	+	final CFException ex = new CFException();
937	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
938	+	if (!createIncomplete) f.completeExceptionally(ex);
939	+	final CompletableFuture<Integer> g = m.whenComplete
940	+	(f,
941	+	(Integer x, Throwable t) -> {
942	+	m.checkExecutionMode();
943	+	threadAssertNull(x);
944	+	threadAssertSame(t, ex);
945	+	a.getAndIncrement();
946	+	});
947	+	if (createIncomplete) f.completeExceptionally(ex);
948	+
949	+	checkCompletedWithWrappedException(g, ex);
950	+	checkCompletedExceptionally(f, ex);
951	+	assertEquals(1, a.get());
952	+	}}
953	+
954	+	/**
955	+	* whenComplete action executes on cancelled source, propagating
956	+	* CancellationException.
957	+	*/
958	+	public void testWhenComplete_sourceCancelled() {
959	+	for (ExecutionMode m : ExecutionMode.values())
960	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
961	+	for (boolean createIncomplete : new boolean[] { true, false })
962	+	{
963	+	final AtomicInteger a = new AtomicInteger(0);
964	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
965	+	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
966	+	final CompletableFuture<Integer> g = m.whenComplete
967	+	(f,
968	+	(Integer x, Throwable t) -> {
969	+	m.checkExecutionMode();
970	+	threadAssertNull(x);
971	+	threadAssertTrue(t instanceof CancellationException);
972	+	a.getAndIncrement();
973	+	});
974	+	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
975	+
976	+	checkCompletedWithWrappedCancellationException(g);
977	+	checkCancelled(f);
978	+	assertEquals(1, a.get());
979	+	}}
980	+
981	+	/**
982	+	* If a whenComplete action throws an exception when triggered by
983	+	* a normal completion, it completes exceptionally
984	+	*/
985	+	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
986	+	for (boolean createIncomplete : new boolean[] { true, false })
987	+	for (ExecutionMode m : ExecutionMode.values())
988	+	for (Integer v1 : new Integer[] { 1, null })
989	+	{
990	+	final AtomicInteger a = new AtomicInteger(0);
991	+	final CFException ex = new CFException();
992	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
993	+	if (!createIncomplete) assertTrue(f.complete(v1));
994	+	final CompletableFuture<Integer> g = m.whenComplete
995	+	(f,
996	+	(Integer x, Throwable t) -> {
997	+	m.checkExecutionMode();
998	+	threadAssertSame(x, v1);
999	+	threadAssertNull(t);
1000	+	a.getAndIncrement();
1001	+	throw ex;
1002	+	});
1003	+	if (createIncomplete) assertTrue(f.complete(v1));
1004	+
1005	+	checkCompletedWithWrappedException(g, ex);
1006	+	checkCompletedNormally(f, v1);
1007	+	assertEquals(1, a.get());
1008	+	}}
1009	+
1010	+	/**
1011	+	* If a whenComplete action throws an exception when triggered by
1012	+	* a source completion that also throws an exception, the source
1013	+	* exception takes precedence.
1014	+	*/
1015	+	public void testWhenComplete_actionFailedSourceFailed() {
1016	+	for (boolean createIncomplete : new boolean[] { true, false })
1017	+	for (ExecutionMode m : ExecutionMode.values())
1018	+	{
1019	+	final AtomicInteger a = new AtomicInteger(0);
1020	+	final CFException ex1 = new CFException();
1021	+	final CFException ex2 = new CFException();
1022	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1023	+
1024	+	if (!createIncomplete) f.completeExceptionally(ex1);
1025	+	final CompletableFuture<Integer> g = m.whenComplete
1026	+	(f,
1027	+	(Integer x, Throwable t) -> {
1028	+	m.checkExecutionMode();
1029		threadAssertSame(t, ex1);
1030	+	threadAssertNull(x);
1031		a.getAndIncrement();
1032		throw ex2;
1033		});
1034		if (createIncomplete) f.completeExceptionally(ex1);
1035
1036	<	checkCompletedWithWrappedCFException(g, ex2);
1036	>	checkCompletedWithWrappedException(g, ex1);
1037	>	checkCompletedExceptionally(f, ex1);
1038		assertEquals(1, a.get());
1039		}}
1040
#	Line 769 | Line 1049 | public class CompletableFutureTest exten
1049		{
1050		final CompletableFuture<Integer> f = new CompletableFuture<>();
1051		final AtomicInteger a = new AtomicInteger(0);
1052	<	if (!createIncomplete) f.complete(v1);
1052	>	if (!createIncomplete) assertTrue(f.complete(v1));
1053		final CompletableFuture<Integer> g = m.handle
1054		(f,
1055		(Integer x, Throwable t) -> {
1056	+	m.checkExecutionMode();
1057		threadAssertSame(x, v1);
1058		threadAssertNull(t);
1059		a.getAndIncrement();
1060		return inc(v1);
1061		});
1062	<	if (createIncomplete) f.complete(v1);
1062	>	if (createIncomplete) assertTrue(f.complete(v1));
1063
1064		checkCompletedNormally(g, inc(v1));
1065		checkCompletedNormally(f, v1);
#	Line 801 | Line 1082 | public class CompletableFutureTest exten
1082		final CompletableFuture<Integer> g = m.handle
1083		(f,
1084		(Integer x, Throwable t) -> {
1085	+	m.checkExecutionMode();
1086		threadAssertNull(x);
1087		threadAssertSame(t, ex);
1088		a.getAndIncrement();
#	Line 809 | Line 1091 | public class CompletableFutureTest exten
1091		if (createIncomplete) f.completeExceptionally(ex);
1092
1093		checkCompletedNormally(g, v1);
1094	<	checkCompletedWithWrappedCFException(f, ex);
1094	>	checkCompletedExceptionally(f, ex);
1095		assertEquals(1, a.get());
1096		}}
1097
#	Line 829 | Line 1111 | public class CompletableFutureTest exten
1111		final CompletableFuture<Integer> g = m.handle
1112		(f,
1113		(Integer x, Throwable t) -> {
1114	+	m.checkExecutionMode();
1115		threadAssertNull(x);
1116		threadAssertTrue(t instanceof CancellationException);
1117		a.getAndIncrement();
#	Line 856 | Line 1139 | public class CompletableFutureTest exten
1139		final CompletableFuture<Integer> g = m.handle
1140		(f,
1141		(Integer x, Throwable t) -> {
1142	+	m.checkExecutionMode();
1143		threadAssertNull(x);
1144		threadAssertSame(ex1, t);
1145		a.getAndIncrement();
#	Line 863 | Line 1147 | public class CompletableFutureTest exten
1147		});
1148		if (createIncomplete) f.completeExceptionally(ex1);
1149
1150	<	checkCompletedWithWrappedCFException(g, ex2);
1151	<	checkCompletedWithWrappedCFException(f, ex1);
1150	>	checkCompletedWithWrappedException(g, ex2);
1151	>	checkCompletedExceptionally(f, ex1);
1152		assertEquals(1, a.get());
1153		}}
1154
#	Line 876 | Line 1160 | public class CompletableFutureTest exten
1160		final CompletableFuture<Integer> f = new CompletableFuture<>();
1161		final AtomicInteger a = new AtomicInteger(0);
1162		final CFException ex = new CFException();
1163	<	if (!createIncomplete) f.complete(v1);
1163	>	if (!createIncomplete) assertTrue(f.complete(v1));
1164		final CompletableFuture<Integer> g = m.handle
1165		(f,
1166		(Integer x, Throwable t) -> {
1167	+	m.checkExecutionMode();
1168		threadAssertSame(x, v1);
1169		threadAssertNull(t);
1170		a.getAndIncrement();
1171		throw ex;
1172		});
1173	<	if (createIncomplete) f.complete(v1);
1173	>	if (createIncomplete) assertTrue(f.complete(v1));
1174
1175	<	checkCompletedWithWrappedCFException(g, ex);
1175	>	checkCompletedWithWrappedException(g, ex);
1176		checkCompletedNormally(f, v1);
1177		assertEquals(1, a.get());
1178		}}
#	Line 895 | Line 1180 | public class CompletableFutureTest exten
1180		/**
1181		* runAsync completes after running Runnable
1182		*/
1183	<	public void testRunAsync() {
1184	<	Noop r = new Noop();
1185	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1186	<	assertNull(f.join());
1187	<	assertEquals(1, r.invocationCount);
1188	<	checkCompletedNormally(f, null);
1189	<	}
1190	<
1191	<	/**
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);
1183	>	public void testRunAsync_normalCompletion() {
1184	>	ExecutionMode[] executionModes = {
1185	>	ExecutionMode.ASYNC,
1186	>	ExecutionMode.EXECUTOR,
1187	>	};
1188	>	for (ExecutionMode m : executionModes)
1189	>	{
1190	>	final Noop r = new Noop(m);
1191	>	final CompletableFuture<Void> f = m.runAsync(r);
1192		assertNull(f.join());
914	–	assertEquals(1, r.invocationCount);
1193		checkCompletedNormally(f, null);
1194	<	assertEquals(1, exec.count.get());
1195	<	}
1194	>	r.assertInvoked();
1195	>	}}
1196
1197		/**
1198		* failing runAsync completes exceptionally after running Runnable
1199		*/
1200	<	public void testRunAsync3() {
1201	<	FailingNoop r = new FailingNoop();
1202	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1200	>	public void testRunAsync_exceptionalCompletion() {
1201	>	ExecutionMode[] executionModes = {
1202	>	ExecutionMode.ASYNC,
1203	>	ExecutionMode.EXECUTOR,
1204	>	};
1205	>	for (ExecutionMode m : executionModes)
1206	>	{
1207	>	final FailingRunnable r = new FailingRunnable(m);
1208	>	final CompletableFuture<Void> f = m.runAsync(r);
1209		checkCompletedWithWrappedCFException(f);
1210	<	assertEquals(1, r.invocationCount);
1211	<	}
1210	>	r.assertInvoked();
1211	>	}}
1212
1213		/**
1214		* supplyAsync completes with result of supplier
1215		*/
1216	<	public void testSupplyAsync() {
1217	<	CompletableFuture<Integer> f;
1218	<	f = CompletableFuture.supplyAsync(supplyOne);
1219	<	assertEquals(f.join(), one);
1220	<	checkCompletedNormally(f, one);
1221	<	}
1222	<
1223	<	/**
1224	<	* supplyAsync with executor completes with result of supplier
1225	<	*/
1226	<	public void testSupplyAsync2() {
1227	<	CompletableFuture<Integer> f;
1228	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1229	<	assertEquals(f.join(), one);
946	<	checkCompletedNormally(f, one);
947	<	}
1216	>	public void testSupplyAsync_normalCompletion() {
1217	>	ExecutionMode[] executionModes = {
1218	>	ExecutionMode.ASYNC,
1219	>	ExecutionMode.EXECUTOR,
1220	>	};
1221	>	for (ExecutionMode m : executionModes)
1222	>	for (Integer v1 : new Integer[] { 1, null })
1223	>	{
1224	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1225	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1226	>	assertSame(v1, f.join());
1227	>	checkCompletedNormally(f, v1);
1228	>	r.assertInvoked();
1229	>	}}
1230
1231		/**
1232		* Failing supplyAsync completes exceptionally
1233		*/
1234	<	public void testSupplyAsync3() {
1235	<	FailingSupplier r = new FailingSupplier();
1236	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1234	>	public void testSupplyAsync_exceptionalCompletion() {
1235	>	ExecutionMode[] executionModes = {
1236	>	ExecutionMode.ASYNC,
1237	>	ExecutionMode.EXECUTOR,
1238	>	};
1239	>	for (ExecutionMode m : executionModes)
1240	>	{
1241	>	FailingSupplier r = new FailingSupplier(m);
1242	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1243		checkCompletedWithWrappedCFException(f);
1244	<	assertEquals(1, r.invocationCount);
1245	<	}
1244	>	r.assertInvoked();
1245	>	}}
1246
1247		// seq completion methods
1248
1249		/**
1250		* thenRun result completes normally after normal completion of source
1251		*/
1252	<	public void testThenRun() {
1253	<	CompletableFuture<Integer> f;
1254	<	CompletableFuture<Void> g;
1255	<	Noop r;
1256	<
1257	<	f = new CompletableFuture<>();
1258	<	g = f.thenRun(r = new Noop());
971	<	f.complete(null);
972	<	checkCompletedNormally(g, null);
973	<	assertEquals(1, r.invocationCount);
1252	>	public void testThenRun_normalCompletion() {
1253	>	for (ExecutionMode m : ExecutionMode.values())
1254	>	for (Integer v1 : new Integer[] { 1, null })
1255	>	{
1256	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1257	>	final Noop[] rs = new Noop[6];
1258	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1259
1260	<	f = new CompletableFuture<>();
1261	<	f.complete(null);
1262	<	g = f.thenRun(r = new Noop());
1263	<	checkCompletedNormally(g, null);
1264	<	assertEquals(1, r.invocationCount);
1265	<	}
1260	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1261	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1262	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1263	>	checkIncomplete(h0);
1264	>	checkIncomplete(h1);
1265	>	checkIncomplete(h2);
1266	>	assertTrue(f.complete(v1));
1267	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1268	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1269	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1270	>
1271	>	checkCompletedNormally(h0, null);
1272	>	checkCompletedNormally(h1, null);
1273	>	checkCompletedNormally(h2, null);
1274	>	checkCompletedNormally(h3, null);
1275	>	checkCompletedNormally(h4, null);
1276	>	checkCompletedNormally(h5, null);
1277	>	checkCompletedNormally(f, v1);
1278	>	for (Noop r : rs) r.assertInvoked();
1279	>	}}
1280
1281		/**
1282		* thenRun result completes exceptionally after exceptional
1283		* completion of source
1284		*/
1285	<	public void testThenRun2() {
1286	<	CompletableFuture<Integer> f;
1287	<	CompletableFuture<Void> g;
1288	<	Noop r;
1289	<
1290	<	f = new CompletableFuture<>();
1291	<	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);
1285	>	public void testThenRun_exceptionalCompletion() {
1286	>	for (ExecutionMode m : ExecutionMode.values())
1287	>	{
1288	>	final CFException ex = new CFException();
1289	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1290	>	final Noop[] rs = new Noop[6];
1291	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1292
1293	<	f = new CompletableFuture<>();
1294	<	f.complete(null);
1295	<	g = f.thenRun(r = new FailingNoop());
1296	<	checkCompletedWithWrappedCFException(g);
1297	<	}
1293	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1294	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1295	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1296	>	checkIncomplete(h0);
1297	>	checkIncomplete(h1);
1298	>	checkIncomplete(h2);
1299	>	assertTrue(f.completeExceptionally(ex));
1300	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1301	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1302	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1303	>
1304	>	checkCompletedWithWrappedException(h0, ex);
1305	>	checkCompletedWithWrappedException(h1, ex);
1306	>	checkCompletedWithWrappedException(h2, ex);
1307	>	checkCompletedWithWrappedException(h3, ex);
1308	>	checkCompletedWithWrappedException(h4, ex);
1309	>	checkCompletedWithWrappedException(h5, ex);
1310	>	checkCompletedExceptionally(f, ex);
1311	>	for (Noop r : rs) r.assertNotInvoked();
1312	>	}}
1313
1314		/**
1315		* thenRun result completes exceptionally if source cancelled
1316		*/
1317	<	public void testThenRun4() {
1318	<	CompletableFuture<Integer> f;
1319	<	CompletableFuture<Void> g;
1320	<	Noop r;
1321	<
1322	<	f = new CompletableFuture<>();
1323	<	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	<	}
1317	>	public void testThenRun_sourceCancelled() {
1318	>	for (ExecutionMode m : ExecutionMode.values())
1319	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1320	>	{
1321	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1322	>	final Noop[] rs = new Noop[6];
1323	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1324
1325	<	/**
1326	<	* thenAccept result completes exceptionally if source cancelled
1327	<	*/
1328	<	public void testThenAccept4() {
1329	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1330	<	IncAction r = new IncAction();
1331	<	CompletableFuture<Void> g = f.thenAccept(r);
1332	<	assertTrue(f.cancel(true));
1333	<	checkCompletedWithWrappedCancellationException(g);
1334	<	}
1325	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1326	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1327	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1328	>	checkIncomplete(h0);
1329	>	checkIncomplete(h1);
1330	>	checkIncomplete(h2);
1331	>	assertTrue(f.cancel(mayInterruptIfRunning));
1332	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1333	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1334	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1335	>
1336	>	checkCompletedWithWrappedCancellationException(h0);
1337	>	checkCompletedWithWrappedCancellationException(h1);
1338	>	checkCompletedWithWrappedCancellationException(h2);
1339	>	checkCompletedWithWrappedCancellationException(h3);
1340	>	checkCompletedWithWrappedCancellationException(h4);
1341	>	checkCompletedWithWrappedCancellationException(h5);
1342	>	checkCancelled(f);
1343	>	for (Noop r : rs) r.assertNotInvoked();
1344	>	}}
1345
1346		/**
1347	<	* thenCombine result completes normally after normal completion
1132	<	* of sources
1347	>	* thenRun result completes exceptionally if action does
1348		*/
1349	<	public void testThenCombine_normalCompletion1() {
1135	<	for (boolean createIncomplete : new boolean[] { true, false })
1136	<	for (boolean fFirst : new boolean[] { true, false })
1349	>	public void testThenRun_actionFailed() {
1350		for (ExecutionMode m : ExecutionMode.values())
1351		for (Integer v1 : new Integer[] { 1, null })
1352	<	for (Integer v2 : new Integer[] { 2, null }) {
1140	<
1352	>	{
1353		final CompletableFuture<Integer> f = new CompletableFuture<>();
1354	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1355	<	final SubtractFunction r = new SubtractFunction();
1144	<	CompletableFuture<Integer> h = null;
1145	<	if (createIncomplete) h = m.thenCombine(f, g, r);
1146	<
1147	<	if (fFirst)
1148	<	f.complete(v1);
1149	<	else
1150	<	g.complete(v2);
1151	<	if (createIncomplete) checkIncomplete(h);
1152	<	assertEquals(0, r.invocationCount);
1153	<	if (!fFirst)
1154	<	f.complete(v1);
1155	<	else
1156	<	g.complete(v2);
1157	<	if (!createIncomplete) h = m.thenCombine(f, g, r);
1354	>	final FailingRunnable[] rs = new FailingRunnable[6];
1355	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1356
1357	<	checkCompletedNormally(h, subtract(v1, v2));
1357	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1358	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1359	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1360	>	assertTrue(f.complete(v1));
1361	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1362	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1363	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1364	>
1365	>	checkCompletedWithWrappedCFException(h0);
1366	>	checkCompletedWithWrappedCFException(h1);
1367	>	checkCompletedWithWrappedCFException(h2);
1368	>	checkCompletedWithWrappedCFException(h3);
1369	>	checkCompletedWithWrappedCFException(h4);
1370	>	checkCompletedWithWrappedCFException(h5);
1371		checkCompletedNormally(f, v1);
1372	<	checkCompletedNormally(g, v2);
1162	<	assertEquals(1, r.invocationCount);
1163	<	}
1164	<	}
1372	>	}}
1373
1374		/**
1375	<	* thenCombine result completes exceptionally after exceptional
1168	<	* completion of either source
1375	>	* thenApply result completes normally after normal completion of source
1376		*/
1377	<	public void testThenCombine_exceptionalCompletion1() {
1171	<	for (ExecutionMode m : ExecutionMode.values())
1172	<	for (Integer v1 : new Integer[] { 1, null }) {
1173	<
1174	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1175	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1176	<	final SubtractFunction r = new SubtractFunction();
1177	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1178	<	final CFException ex = new CFException();
1179	<
1180	<	f.completeExceptionally(ex);
1181	<	checkIncomplete(h);
1182	<	g.complete(v1);
1183	<
1184	<	checkCompletedWithWrappedCFException(h, ex);
1185	<	checkCompletedWithWrappedCFException(f, ex);
1186	<	assertEquals(0, r.invocationCount);
1187	<	checkCompletedNormally(g, v1);
1188	<	}
1189	<	}
1190	<
1191	<	public void testThenCombine_exceptionalCompletion2() {
1377	>	public void testThenApply_normalCompletion() {
1378		for (ExecutionMode m : ExecutionMode.values())
1379	<	for (Integer v1 : new Integer[] { 1, null }) {
1380	<
1379	>	for (Integer v1 : new Integer[] { 1, null })
1380	>	{
1381		final CompletableFuture<Integer> f = new CompletableFuture<>();
1382	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1383	<	final SubtractFunction r = new SubtractFunction();
1198	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1199	<	final CFException ex = new CFException();
1382	>	final IncFunction[] rs = new IncFunction[4];
1383	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1384
1385	<	g.completeExceptionally(ex);
1386	<	checkIncomplete(h);
1387	<	f.complete(v1);
1388	<
1389	<	checkCompletedWithWrappedCFException(h, ex);
1390	<	checkCompletedWithWrappedCFException(g, ex);
1391	<	assertEquals(0, r.invocationCount);
1385	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1386	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1387	>	checkIncomplete(h0);
1388	>	checkIncomplete(h1);
1389	>	assertTrue(f.complete(v1));
1390	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1391	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1392	>
1393	>	checkCompletedNormally(h0, inc(v1));
1394	>	checkCompletedNormally(h1, inc(v1));
1395	>	checkCompletedNormally(h2, inc(v1));
1396	>	checkCompletedNormally(h3, inc(v1));
1397		checkCompletedNormally(f, v1);
1398	<	}
1399	<	}
1398	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1399	>	}}
1400
1401	<	public void testThenCombine_exceptionalCompletion3() {
1401	>	/**
1402	>	* thenApply result completes exceptionally after exceptional
1403	>	* completion of source
1404	>	*/
1405	>	public void testThenApply_exceptionalCompletion() {
1406		for (ExecutionMode m : ExecutionMode.values())
1407	<	for (Integer v1 : new Integer[] { 1, null }) {
1215	<
1216	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1217	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1218	<	final SubtractFunction r = new SubtractFunction();
1407	>	{
1408		final CFException ex = new CFException();
1220	–
1221	–	g.completeExceptionally(ex);
1222	–	f.complete(v1);
1223	–	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1224	–
1225	–	checkCompletedWithWrappedCFException(h, ex);
1226	–	checkCompletedWithWrappedCFException(g, ex);
1227	–	assertEquals(0, r.invocationCount);
1228	–	checkCompletedNormally(f, v1);
1229	–	}
1230	–	}
1231	–
1232	–	public void testThenCombine_exceptionalCompletion4() {
1233	–	for (ExecutionMode m : ExecutionMode.values())
1234	–	for (Integer v1 : new Integer[] { 1, null }) {
1235	–
1409		final CompletableFuture<Integer> f = new CompletableFuture<>();
1410	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1411	<	final SubtractFunction r = new SubtractFunction();
1239	<	final CFException ex = new CFException();
1410	>	final IncFunction[] rs = new IncFunction[4];
1411	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1412
1413	<	f.completeExceptionally(ex);
1414	<	g.complete(v1);
1415	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1416	<
1417	<	checkCompletedWithWrappedCFException(h, ex);
1418	<	checkCompletedWithWrappedCFException(f, ex);
1419	<	assertEquals(0, r.invocationCount);
1420	<	checkCompletedNormally(g, v1);
1421	<	}
1422	<	}
1413	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1414	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1415	>	assertTrue(f.completeExceptionally(ex));
1416	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1417	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1418	>
1419	>	checkCompletedWithWrappedException(h0, ex);
1420	>	checkCompletedWithWrappedException(h1, ex);
1421	>	checkCompletedWithWrappedException(h2, ex);
1422	>	checkCompletedWithWrappedException(h3, ex);
1423	>	checkCompletedExceptionally(f, ex);
1424	>	for (IncFunction r : rs) r.assertNotInvoked();
1425	>	}}
1426
1427		/**
1428	<	* thenCombine result completes exceptionally if action does
1428	>	* thenApply result completes exceptionally if source cancelled
1429		*/
1430	<	public void testThenCombine_actionFailed1() {
1430	>	public void testThenApply_sourceCancelled() {
1431		for (ExecutionMode m : ExecutionMode.values())
1432	<	for (Integer v1 : new Integer[] { 1, null })
1433	<	for (Integer v2 : new Integer[] { 2, null }) {
1259	<
1432	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1433	>	{
1434		final CompletableFuture<Integer> f = new CompletableFuture<>();
1435	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1436	<	final FailingBiFunction r = new FailingBiFunction();
1263	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1435	>	final IncFunction[] rs = new IncFunction[4];
1436	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1437
1438	<	f.complete(v1);
1439	<	checkIncomplete(h);
1440	<	g.complete(v2);
1438	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1439	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1440	>	assertTrue(f.cancel(mayInterruptIfRunning));
1441	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1442	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1443
1444	<	checkCompletedWithWrappedCFException(h);
1445	<	checkCompletedNormally(f, v1);
1446	<	checkCompletedNormally(g, v2);
1447	<	}
1448	<	}
1444	>	checkCompletedWithWrappedCancellationException(h0);
1445	>	checkCompletedWithWrappedCancellationException(h1);
1446	>	checkCompletedWithWrappedCancellationException(h2);
1447	>	checkCompletedWithWrappedCancellationException(h3);
1448	>	checkCancelled(f);
1449	>	for (IncFunction r : rs) r.assertNotInvoked();
1450	>	}}
1451
1452	<	public void testThenCombine_actionFailed2() {
1452	>	/**
1453	>	* thenApply result completes exceptionally if action does
1454	>	*/
1455	>	public void testThenApply_actionFailed() {
1456		for (ExecutionMode m : ExecutionMode.values())
1457		for (Integer v1 : new Integer[] { 1, null })
1458	<	for (Integer v2 : new Integer[] { 2, null }) {
1279	<
1458	>	{
1459		final CompletableFuture<Integer> f = new CompletableFuture<>();
1460	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1461	<	final FailingBiFunction r = new FailingBiFunction();
1283	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1284	<
1285	<	g.complete(v2);
1286	<	checkIncomplete(h);
1287	<	f.complete(v1);
1460	>	final FailingFunction[] rs = new FailingFunction[4];
1461	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1462
1463	<	checkCompletedWithWrappedCFException(h);
1463	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1464	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1465	>	assertTrue(f.complete(v1));
1466	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1467	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1468	>
1469	>	checkCompletedWithWrappedCFException(h0);
1470	>	checkCompletedWithWrappedCFException(h1);
1471	>	checkCompletedWithWrappedCFException(h2);
1472	>	checkCompletedWithWrappedCFException(h3);
1473		checkCompletedNormally(f, v1);
1474	<	checkCompletedNormally(g, v2);
1292	<	}
1293	<	}
1474	>	}}
1475
1476		/**
1477	<	* thenCombine result completes exceptionally if either source cancelled
1477	>	* thenAccept result completes normally after normal completion of source
1478		*/
1479	<	public void testThenCombine_sourceCancelled1() {
1479	>	public void testThenAccept_normalCompletion() {
1480		for (ExecutionMode m : ExecutionMode.values())
1481	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1482	<	for (Integer v1 : new Integer[] { 1, null }) {
1302	<
1303	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1304	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1305	<	final SubtractFunction r = new SubtractFunction();
1306	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1307	<
1308	<	assertTrue(f.cancel(mayInterruptIfRunning));
1309	<	checkIncomplete(h);
1310	<	g.complete(v1);
1311	<
1312	<	checkCompletedWithWrappedCancellationException(h);
1313	<	checkCancelled(f);
1314	<	assertEquals(0, r.invocationCount);
1315	<	checkCompletedNormally(g, v1);
1316	<	}
1317	<	}
1318	<
1319	<	public void testThenCombine_sourceCancelled2() {
1320	<	for (ExecutionMode m : ExecutionMode.values())
1321	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1322	<	for (Integer v1 : new Integer[] { 1, null }) {
1323	<
1481	>	for (Integer v1 : new Integer[] { 1, null })
1482	>	{
1483		final CompletableFuture<Integer> f = new CompletableFuture<>();
1484	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1485	<	final SubtractFunction r = new SubtractFunction();
1327	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1484	>	final NoopConsumer[] rs = new NoopConsumer[4];
1485	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1486
1487	<	assertTrue(g.cancel(mayInterruptIfRunning));
1488	<	checkIncomplete(h);
1489	<	f.complete(v1);
1490	<
1491	<	checkCompletedWithWrappedCancellationException(h);
1492	<	checkCancelled(g);
1493	<	assertEquals(0, r.invocationCount);
1487	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1488	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1489	>	checkIncomplete(h0);
1490	>	checkIncomplete(h1);
1491	>	assertTrue(f.complete(v1));
1492	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1493	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1494	>
1495	>	checkCompletedNormally(h0, null);
1496	>	checkCompletedNormally(h1, null);
1497	>	checkCompletedNormally(h2, null);
1498	>	checkCompletedNormally(h3, null);
1499		checkCompletedNormally(f, v1);
1500	<	}
1501	<	}
1500	>	for (NoopConsumer r : rs) r.assertValue(v1);
1501	>	}}
1502
1503	<	public void testThenCombine_sourceCancelled3() {
1503	>	/**
1504	>	* thenAccept result completes exceptionally after exceptional
1505	>	* completion of source
1506	>	*/
1507	>	public void testThenAccept_exceptionalCompletion() {
1508		for (ExecutionMode m : ExecutionMode.values())
1509	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1510	<	for (Integer v1 : new Integer[] { 1, null }) {
1344	<
1509	>	{
1510	>	final CFException ex = new CFException();
1511		final CompletableFuture<Integer> f = new CompletableFuture<>();
1512	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1513	<	final SubtractFunction r = new SubtractFunction();
1348	<
1349	<	assertTrue(g.cancel(mayInterruptIfRunning));
1350	<	f.complete(v1);
1351	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1512	>	final NoopConsumer[] rs = new NoopConsumer[4];
1513	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1514
1515	<	checkCompletedWithWrappedCancellationException(h);
1516	<	checkCancelled(g);
1517	<	assertEquals(0, r.invocationCount);
1518	<	checkCompletedNormally(f, v1);
1519	<	}
1520	<	}
1515	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1516	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1517	>	assertTrue(f.completeExceptionally(ex));
1518	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1519	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1520	>
1521	>	checkCompletedWithWrappedException(h0, ex);
1522	>	checkCompletedWithWrappedException(h1, ex);
1523	>	checkCompletedWithWrappedException(h2, ex);
1524	>	checkCompletedWithWrappedException(h3, ex);
1525	>	checkCompletedExceptionally(f, ex);
1526	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1527	>	}}
1528
1529	<	public void testThenCombine_sourceCancelled4() {
1529	>	/**
1530	>	* thenAccept result completes exceptionally if source cancelled
1531	>	*/
1532	>	public void testThenAccept_sourceCancelled() {
1533		for (ExecutionMode m : ExecutionMode.values())
1534		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1535	<	for (Integer v1 : new Integer[] { 1, null }) {
1364	<
1535	>	{
1536		final CompletableFuture<Integer> f = new CompletableFuture<>();
1537	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1538	<	final SubtractFunction r = new SubtractFunction();
1537	>	final NoopConsumer[] rs = new NoopConsumer[4];
1538	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1539
1540	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1541	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1542		assertTrue(f.cancel(mayInterruptIfRunning));
1543	<	g.complete(v1);
1544	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1543	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1544	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1545
1546	<	checkCompletedWithWrappedCancellationException(h);
1546	>	checkCompletedWithWrappedCancellationException(h0);
1547	>	checkCompletedWithWrappedCancellationException(h1);
1548	>	checkCompletedWithWrappedCancellationException(h2);
1549	>	checkCompletedWithWrappedCancellationException(h3);
1550		checkCancelled(f);
1551	<	assertEquals(0, r.invocationCount);
1552	<	checkCompletedNormally(g, v1);
1377	<	}
1378	<	}
1551	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1552	>	}}
1553
1554		/**
1555	<	* thenAcceptBoth result completes normally after normal
1382	<	* completion of sources
1555	>	* thenAccept result completes exceptionally if action does
1556		*/
1557	<	public void testThenAcceptBoth_normalCompletion1() {
1385	<	for (ExecutionMode m : ExecutionMode.values())
1386	<	for (Integer v1 : new Integer[] { 1, null })
1387	<	for (Integer v2 : new Integer[] { 2, null }) {
1388	<
1389	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1390	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1391	<	final SubtractAction r = new SubtractAction();
1392	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1393	<
1394	<	f.complete(v1);
1395	<	checkIncomplete(h);
1396	<	assertEquals(0, r.invocationCount);
1397	<	g.complete(v2);
1398	<
1399	<	checkCompletedNormally(h, null);
1400	<	assertEquals(subtract(v1, v2), r.value);
1401	<	checkCompletedNormally(f, v1);
1402	<	checkCompletedNormally(g, v2);
1403	<	}
1404	<	}
1405	<
1406	<	public void testThenAcceptBoth_normalCompletion2() {
1557	>	public void testThenAccept_actionFailed() {
1558		for (ExecutionMode m : ExecutionMode.values())
1559		for (Integer v1 : new Integer[] { 1, null })
1560	<	for (Integer v2 : new Integer[] { 2, null }) {
1410	<
1411	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1412	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1413	<	final SubtractAction r = new SubtractAction();
1414	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1415	<
1416	<	g.complete(v2);
1417	<	checkIncomplete(h);
1418	<	assertEquals(0, r.invocationCount);
1419	<	f.complete(v1);
1420	<
1421	<	checkCompletedNormally(h, null);
1422	<	assertEquals(subtract(v1, v2), r.value);
1423	<	checkCompletedNormally(f, v1);
1424	<	checkCompletedNormally(g, v2);
1425	<	}
1426	<	}
1427	<
1428	<	public void testThenAcceptBoth_normalCompletion3() {
1429	<	for (ExecutionMode m : ExecutionMode.values())
1430	<	for (Integer v1 : new Integer[] { 1, null })
1431	<	for (Integer v2 : new Integer[] { 2, null }) {
1432	<
1560	>	{
1561		final CompletableFuture<Integer> f = new CompletableFuture<>();
1562	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1563	<	final SubtractAction r = new SubtractAction();
1562	>	final FailingConsumer[] rs = new FailingConsumer[4];
1563	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1564
1565	<	g.complete(v2);
1566	<	f.complete(v1);
1567	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1568	<
1569	<	checkCompletedNormally(h, null);
1570	<	assertEquals(subtract(v1, v2), r.value);
1565	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1566	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1567	>	assertTrue(f.complete(v1));
1568	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1569	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1570	>
1571	>	checkCompletedWithWrappedCFException(h0);
1572	>	checkCompletedWithWrappedCFException(h1);
1573	>	checkCompletedWithWrappedCFException(h2);
1574	>	checkCompletedWithWrappedCFException(h3);
1575		checkCompletedNormally(f, v1);
1576	<	checkCompletedNormally(g, v2);
1445	<	}
1446	<	}
1576	>	}}
1577
1578	<	public void testThenAcceptBoth_normalCompletion4() {
1578	>	/**
1579	>	* thenCombine result completes normally after normal completion
1580	>	* of sources
1581	>	*/
1582	>	public void testThenCombine_normalCompletion() {
1583		for (ExecutionMode m : ExecutionMode.values())
1584	+	for (boolean fFirst : new boolean[] { true, false })
1585		for (Integer v1 : new Integer[] { 1, null })
1586	<	for (Integer v2 : new Integer[] { 2, null }) {
1587	<
1586	>	for (Integer v2 : new Integer[] { 2, null })
1587	>	{
1588		final CompletableFuture<Integer> f = new CompletableFuture<>();
1589		final CompletableFuture<Integer> g = new CompletableFuture<>();
1590	<	final SubtractAction r = new SubtractAction();
1590	>	final SubtractFunction[] rs = new SubtractFunction[6];
1591	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1592
1593	<	f.complete(v1);
1594	<	g.complete(v2);
1595	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1593	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1594	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1595	>	final Integer w1 =  fFirst ? v1 : v2;
1596	>	final Integer w2 = !fFirst ? v1 : v2;
1597	>
1598	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1599	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1600	>	assertTrue(fst.complete(w1));
1601	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1602	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1603	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1604	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1605	>	checkCompletedNormally(h1, subtract(w1, w1));
1606	>	checkCompletedNormally(h3, subtract(w1, w1));
1607	>	rs[1].assertValue(subtract(w1, w1));
1608	>	rs[3].assertValue(subtract(w1, w1));
1609	>	assertTrue(snd.complete(w2));
1610	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1611	>
1612	>	checkCompletedNormally(h0, subtract(v1, v2));
1613	>	checkCompletedNormally(h2, subtract(v1, v2));
1614	>	checkCompletedNormally(h4, subtract(v1, v2));
1615	>	rs[0].assertValue(subtract(v1, v2));
1616	>	rs[2].assertValue(subtract(v1, v2));
1617	>	rs[4].assertValue(subtract(v1, v2));
1618
1461	–	checkCompletedNormally(h, null);
1462	–	assertEquals(subtract(v1, v2), r.value);
1619		checkCompletedNormally(f, v1);
1620		checkCompletedNormally(g, v2);
1621	<	}
1466	<	}
1621	>	}}
1622
1623		/**
1624	<	* thenAcceptBoth result completes exceptionally after exceptional
1624	>	* thenCombine result completes exceptionally after exceptional
1625		* completion of either source
1626		*/
1627	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1473	<	for (ExecutionMode m : ExecutionMode.values())
1474	<	for (Integer v1 : new Integer[] { 1, null }) {
1475	<
1476	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1477	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1478	<	final SubtractAction r = new SubtractAction();
1479	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1480	<	final CFException ex = new CFException();
1481	<
1482	<	f.completeExceptionally(ex);
1483	<	checkIncomplete(h);
1484	<	g.complete(v1);
1485	<
1486	<	checkCompletedWithWrappedCFException(h, ex);
1487	<	checkCompletedWithWrappedCFException(f, ex);
1488	<	assertEquals(0, r.invocationCount);
1489	<	checkCompletedNormally(g, v1);
1490	<	}
1491	<	}
1492	<
1493	<	public void testThenAcceptBoth_exceptionalCompletion2() {
1627	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1628		for (ExecutionMode m : ExecutionMode.values())
1629	<	for (Integer v1 : new Integer[] { 1, null }) {
1630	<
1631	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1632	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1499	<	final SubtractAction r = new SubtractAction();
1500	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1501	<	final CFException ex = new CFException();
1502	<
1503	<	g.completeExceptionally(ex);
1504	<	checkIncomplete(h);
1505	<	f.complete(v1);
1506	<
1507	<	checkCompletedWithWrappedCFException(h, ex);
1508	<	checkCompletedWithWrappedCFException(g, ex);
1509	<	assertEquals(0, r.invocationCount);
1510	<	checkCompletedNormally(f, v1);
1511	<	}
1512	<	}
1513	<
1514	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1515	<	for (ExecutionMode m : ExecutionMode.values())
1516	<	for (Integer v1 : new Integer[] { 1, null }) {
1517	<
1518	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1519	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1520	<	final SubtractAction r = new SubtractAction();
1521	<	final CFException ex = new CFException();
1522	<
1523	<	g.completeExceptionally(ex);
1524	<	f.complete(v1);
1525	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1526	<
1527	<	checkCompletedWithWrappedCFException(h, ex);
1528	<	checkCompletedWithWrappedCFException(g, ex);
1529	<	assertEquals(0, r.invocationCount);
1530	<	checkCompletedNormally(f, v1);
1531	<	}
1532	<	}
1533	<
1534	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1535	<	for (ExecutionMode m : ExecutionMode.values())
1536	<	for (Integer v1 : new Integer[] { 1, null }) {
1537	<
1629	>	for (boolean fFirst : new boolean[] { true, false })
1630	>	for (boolean failFirst : new boolean[] { true, false })
1631	>	for (Integer v1 : new Integer[] { 1, null })
1632	>	{
1633		final CompletableFuture<Integer> f = new CompletableFuture<>();
1634		final CompletableFuture<Integer> g = new CompletableFuture<>();
1540	–	final SubtractAction r = new SubtractAction();
1635		final CFException ex = new CFException();
1636	<
1637	<	f.completeExceptionally(ex);
1638	<	g.complete(v1);
1639	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1640	<
1641	<	checkCompletedWithWrappedCFException(h, ex);
1642	<	checkCompletedWithWrappedCFException(f, ex);
1643	<	assertEquals(0, r.invocationCount);
1644	<	checkCompletedNormally(g, v1);
1645	<	}
1646	<	}
1636	>	final SubtractFunction r1 = new SubtractFunction(m);
1637	>	final SubtractFunction r2 = new SubtractFunction(m);
1638	>	final SubtractFunction r3 = new SubtractFunction(m);
1639	>
1640	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1641	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1642	>	final Callable<Boolean> complete1 = failFirst ?
1643	>	() -> fst.completeExceptionally(ex) :
1644	>	() -> fst.complete(v1);
1645	>	final Callable<Boolean> complete2 = failFirst ?
1646	>	() -> snd.complete(v1) :
1647	>	() -> snd.completeExceptionally(ex);
1648	>
1649	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1650	>	assertTrue(complete1.call());
1651	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1652	>	checkIncomplete(h1);
1653	>	checkIncomplete(h2);
1654	>	assertTrue(complete2.call());
1655	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1656	>
1657	>	checkCompletedWithWrappedException(h1, ex);
1658	>	checkCompletedWithWrappedException(h2, ex);
1659	>	checkCompletedWithWrappedException(h3, ex);
1660	>	r1.assertNotInvoked();
1661	>	r2.assertNotInvoked();
1662	>	r3.assertNotInvoked();
1663	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1664	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1665	>	}}
1666
1667		/**
1668	<	* thenAcceptBoth result completes exceptionally if action does
1668	>	* thenCombine result completes exceptionally if either source cancelled
1669		*/
1670	<	public void testThenAcceptBoth_actionFailed1() {
1670	>	public void testThenCombine_sourceCancelled() throws Throwable {
1671		for (ExecutionMode m : ExecutionMode.values())
1672	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1673	+	for (boolean fFirst : new boolean[] { true, false })
1674	+	for (boolean failFirst : new boolean[] { true, false })
1675		for (Integer v1 : new Integer[] { 1, null })
1676	<	for (Integer v2 : new Integer[] { 2, null }) {
1561	<
1676	>	{
1677		final CompletableFuture<Integer> f = new CompletableFuture<>();
1678		final CompletableFuture<Integer> g = new CompletableFuture<>();
1679	<	final FailingBiConsumer r = new FailingBiConsumer();
1680	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1681	<
1682	<	f.complete(v1);
1683	<	checkIncomplete(h);
1684	<	g.complete(v2);
1685	<
1686	<	checkCompletedWithWrappedCFException(h);
1687	<	checkCompletedNormally(f, v1);
1688	<	checkCompletedNormally(g, v2);
1689	<	}
1690	<	}
1679	>	final SubtractFunction r1 = new SubtractFunction(m);
1680	>	final SubtractFunction r2 = new SubtractFunction(m);
1681	>	final SubtractFunction r3 = new SubtractFunction(m);
1682	>
1683	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1684	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1685	>	final Callable<Boolean> complete1 = failFirst ?
1686	>	() -> fst.cancel(mayInterruptIfRunning) :
1687	>	() -> fst.complete(v1);
1688	>	final Callable<Boolean> complete2 = failFirst ?
1689	>	() -> snd.complete(v1) :
1690	>	() -> snd.cancel(mayInterruptIfRunning);
1691	>
1692	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1693	>	assertTrue(complete1.call());
1694	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1695	>	checkIncomplete(h1);
1696	>	checkIncomplete(h2);
1697	>	assertTrue(complete2.call());
1698	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1699	>
1700	>	checkCompletedWithWrappedCancellationException(h1);
1701	>	checkCompletedWithWrappedCancellationException(h2);
1702	>	checkCompletedWithWrappedCancellationException(h3);
1703	>	r1.assertNotInvoked();
1704	>	r2.assertNotInvoked();
1705	>	r3.assertNotInvoked();
1706	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1707	>	checkCancelled(failFirst ? fst : snd);
1708	>	}}
1709
1710	<	public void testThenAcceptBoth_actionFailed2() {
1710	>	/**
1711	>	* thenCombine result completes exceptionally if action does
1712	>	*/
1713	>	public void testThenCombine_actionFailed() {
1714		for (ExecutionMode m : ExecutionMode.values())
1715	+	for (boolean fFirst : new boolean[] { true, false })
1716		for (Integer v1 : new Integer[] { 1, null })
1717	<	for (Integer v2 : new Integer[] { 2, null }) {
1718	<
1717	>	for (Integer v2 : new Integer[] { 2, null })
1718	>	{
1719		final CompletableFuture<Integer> f = new CompletableFuture<>();
1720		final CompletableFuture<Integer> g = new CompletableFuture<>();
1721	<	final FailingBiConsumer r = new FailingBiConsumer();
1722	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1723	<
1724	<	g.complete(v2);
1725	<	checkIncomplete(h);
1726	<	f.complete(v1);
1727	<
1728	<	checkCompletedWithWrappedCFException(h);
1721	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1722	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1723	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1724	>
1725	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1726	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1727	>	final Integer w1 =  fFirst ? v1 : v2;
1728	>	final Integer w2 = !fFirst ? v1 : v2;
1729	>
1730	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1731	>	assertTrue(fst.complete(w1));
1732	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1733	>	assertTrue(snd.complete(w2));
1734	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1735	>
1736	>	checkCompletedWithWrappedCFException(h1);
1737	>	checkCompletedWithWrappedCFException(h2);
1738	>	checkCompletedWithWrappedCFException(h3);
1739	>	r1.assertInvoked();
1740	>	r2.assertInvoked();
1741	>	r3.assertInvoked();
1742		checkCompletedNormally(f, v1);
1743		checkCompletedNormally(g, v2);
1744	<	}
1595	<	}
1744	>	}}
1745
1746		/**
1747	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1747	>	* thenAcceptBoth result completes normally after normal
1748	>	* completion of sources
1749		*/
1750	<	public void testThenAcceptBoth_sourceCancelled1() {
1750	>	public void testThenAcceptBoth_normalCompletion() {
1751		for (ExecutionMode m : ExecutionMode.values())
1752	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1753	<	for (Integer v1 : new Integer[] { 1, null }) {
1754	<
1755	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1606	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1607	<	final SubtractAction r = new SubtractAction();
1608	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1609	<
1610	<	assertTrue(f.cancel(mayInterruptIfRunning));
1611	<	checkIncomplete(h);
1612	<	g.complete(v1);
1613	<
1614	<	checkCompletedWithWrappedCancellationException(h);
1615	<	checkCancelled(f);
1616	<	assertEquals(0, r.invocationCount);
1617	<	checkCompletedNormally(g, v1);
1618	<	}
1619	<	}
1620	<
1621	<	public void testThenAcceptBoth_sourceCancelled2() {
1622	<	for (ExecutionMode m : ExecutionMode.values())
1623	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1624	<	for (Integer v1 : new Integer[] { 1, null }) {
1625	<
1626	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1627	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1628	<	final SubtractAction r = new SubtractAction();
1629	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1630	<
1631	<	assertTrue(g.cancel(mayInterruptIfRunning));
1632	<	checkIncomplete(h);
1633	<	f.complete(v1);
1634	<
1635	<	checkCompletedWithWrappedCancellationException(h);
1636	<	checkCancelled(g);
1637	<	assertEquals(0, r.invocationCount);
1638	<	checkCompletedNormally(f, v1);
1639	<	}
1640	<	}
1641	<
1642	<	public void testThenAcceptBoth_sourceCancelled3() {
1643	<	for (ExecutionMode m : ExecutionMode.values())
1644	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1645	<	for (Integer v1 : new Integer[] { 1, null }) {
1646	<
1752	>	for (boolean fFirst : new boolean[] { true, false })
1753	>	for (Integer v1 : new Integer[] { 1, null })
1754	>	for (Integer v2 : new Integer[] { 2, null })
1755	>	{
1756		final CompletableFuture<Integer> f = new CompletableFuture<>();
1757		final CompletableFuture<Integer> g = new CompletableFuture<>();
1758	<	final SubtractAction r = new SubtractAction();
1759	<
1760	<	assertTrue(g.cancel(mayInterruptIfRunning));
1761	<	f.complete(v1);
1762	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1763	<
1764	<	checkCompletedWithWrappedCancellationException(h);
1765	<	checkCancelled(g);
1766	<	assertEquals(0, r.invocationCount);
1758	>	final SubtractAction r1 = new SubtractAction(m);
1759	>	final SubtractAction r2 = new SubtractAction(m);
1760	>	final SubtractAction r3 = new SubtractAction(m);
1761	>
1762	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1763	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1764	>	final Integer w1 =  fFirst ? v1 : v2;
1765	>	final Integer w2 = !fFirst ? v1 : v2;
1766	>
1767	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1768	>	assertTrue(fst.complete(w1));
1769	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1770	>	checkIncomplete(h1);
1771	>	checkIncomplete(h2);
1772	>	r1.assertNotInvoked();
1773	>	r2.assertNotInvoked();
1774	>	assertTrue(snd.complete(w2));
1775	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1776	>
1777	>	checkCompletedNormally(h1, null);
1778	>	checkCompletedNormally(h2, null);
1779	>	checkCompletedNormally(h3, null);
1780	>	r1.assertValue(subtract(v1, v2));
1781	>	r2.assertValue(subtract(v1, v2));
1782	>	r3.assertValue(subtract(v1, v2));
1783		checkCompletedNormally(f, v1);
1784	<	}
1785	<	}
1661	<
1662	<	public void testThenAcceptBoth_sourceCancelled4() {
1663	<	for (ExecutionMode m : ExecutionMode.values())
1664	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1665	<	for (Integer v1 : new Integer[] { 1, null }) {
1666	<
1667	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1668	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1669	<	final SubtractAction r = new SubtractAction();
1670	<
1671	<	assertTrue(f.cancel(mayInterruptIfRunning));
1672	<	g.complete(v1);
1673	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1674	<
1675	<	checkCompletedWithWrappedCancellationException(h);
1676	<	checkCancelled(f);
1677	<	assertEquals(0, r.invocationCount);
1678	<	checkCompletedNormally(g, v1);
1679	<	}
1680	<	}
1784	>	checkCompletedNormally(g, v2);
1785	>	}}
1786
1787		/**
1788	<	* runAfterBoth result completes normally after normal
1789	<	* completion of sources
1788	>	* thenAcceptBoth result completes exceptionally after exceptional
1789	>	* completion of either source
1790		*/
1791	<	public void testRunAfterBoth_normalCompletion1() {
1791	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1792		for (ExecutionMode m : ExecutionMode.values())
1793	+	for (boolean fFirst : new boolean[] { true, false })
1794	+	for (boolean failFirst : new boolean[] { true, false })
1795		for (Integer v1 : new Integer[] { 1, null })
1796	<	for (Integer v2 : new Integer[] { 2, null }) {
1690	<
1796	>	{
1797		final CompletableFuture<Integer> f = new CompletableFuture<>();
1798		final CompletableFuture<Integer> g = new CompletableFuture<>();
1799	<	final Noop r = new Noop();
1800	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1801	<
1802	<	f.complete(v1);
1803	<	checkIncomplete(h);
1804	<	assertEquals(0, r.invocationCount);
1805	<	g.complete(v2);
1806	<
1807	<	checkCompletedNormally(h, null);
1808	<	assertEquals(1, r.invocationCount);
1809	<	checkCompletedNormally(f, v1);
1810	<	checkCompletedNormally(g, v2);
1811	<	}
1812	<	}
1799	>	final CFException ex = new CFException();
1800	>	final SubtractAction r1 = new SubtractAction(m);
1801	>	final SubtractAction r2 = new SubtractAction(m);
1802	>	final SubtractAction r3 = new SubtractAction(m);
1803	>
1804	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1805	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1806	>	final Callable<Boolean> complete1 = failFirst ?
1807	>	() -> fst.completeExceptionally(ex) :
1808	>	() -> fst.complete(v1);
1809	>	final Callable<Boolean> complete2 = failFirst ?
1810	>	() -> snd.complete(v1) :
1811	>	() -> snd.completeExceptionally(ex);
1812	>
1813	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1814	>	assertTrue(complete1.call());
1815	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1816	>	checkIncomplete(h1);
1817	>	checkIncomplete(h2);
1818	>	assertTrue(complete2.call());
1819	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1820	>
1821	>	checkCompletedWithWrappedException(h1, ex);
1822	>	checkCompletedWithWrappedException(h2, ex);
1823	>	checkCompletedWithWrappedException(h3, ex);
1824	>	r1.assertNotInvoked();
1825	>	r2.assertNotInvoked();
1826	>	r3.assertNotInvoked();
1827	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1828	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1829	>	}}
1830
1831	<	public void testRunAfterBoth_normalCompletion2() {
1831	>	/**
1832	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1833	>	*/
1834	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1835		for (ExecutionMode m : ExecutionMode.values())
1836	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1837	+	for (boolean fFirst : new boolean[] { true, false })
1838	+	for (boolean failFirst : new boolean[] { true, false })
1839		for (Integer v1 : new Integer[] { 1, null })
1840	<	for (Integer v2 : new Integer[] { 2, null }) {
1712	<
1840	>	{
1841		final CompletableFuture<Integer> f = new CompletableFuture<>();
1842		final CompletableFuture<Integer> g = new CompletableFuture<>();
1843	<	final Noop r = new Noop();
1844	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1845	<
1846	<	g.complete(v2);
1847	<	checkIncomplete(h);
1848	<	assertEquals(0, r.invocationCount);
1849	<	f.complete(v1);
1850	<
1851	<	checkCompletedNormally(h, null);
1852	<	assertEquals(1, r.invocationCount);
1853	<	checkCompletedNormally(f, v1);
1854	<	checkCompletedNormally(g, v2);
1855	<	}
1856	<	}
1843	>	final SubtractAction r1 = new SubtractAction(m);
1844	>	final SubtractAction r2 = new SubtractAction(m);
1845	>	final SubtractAction r3 = new SubtractAction(m);
1846	>
1847	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1848	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1849	>	final Callable<Boolean> complete1 = failFirst ?
1850	>	() -> fst.cancel(mayInterruptIfRunning) :
1851	>	() -> fst.complete(v1);
1852	>	final Callable<Boolean> complete2 = failFirst ?
1853	>	() -> snd.complete(v1) :
1854	>	() -> snd.cancel(mayInterruptIfRunning);
1855	>
1856	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1857	>	assertTrue(complete1.call());
1858	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1859	>	checkIncomplete(h1);
1860	>	checkIncomplete(h2);
1861	>	assertTrue(complete2.call());
1862	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1863	>
1864	>	checkCompletedWithWrappedCancellationException(h1);
1865	>	checkCompletedWithWrappedCancellationException(h2);
1866	>	checkCompletedWithWrappedCancellationException(h3);
1867	>	r1.assertNotInvoked();
1868	>	r2.assertNotInvoked();
1869	>	r3.assertNotInvoked();
1870	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1871	>	checkCancelled(failFirst ? fst : snd);
1872	>	}}
1873
1874	<	public void testRunAfterBoth_normalCompletion3() {
1874	>	/**
1875	>	* thenAcceptBoth result completes exceptionally if action does
1876	>	*/
1877	>	public void testThenAcceptBoth_actionFailed() {
1878		for (ExecutionMode m : ExecutionMode.values())
1879	+	for (boolean fFirst : new boolean[] { true, false })
1880		for (Integer v1 : new Integer[] { 1, null })
1881	<	for (Integer v2 : new Integer[] { 2, null }) {
1882	<
1881	>	for (Integer v2 : new Integer[] { 2, null })
1882	>	{
1883		final CompletableFuture<Integer> f = new CompletableFuture<>();
1884		final CompletableFuture<Integer> g = new CompletableFuture<>();
1885	<	final Noop r = new Noop();
1886	<
1887	<	g.complete(v2);
1888	<	f.complete(v1);
1889	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1890	<
1891	<	checkCompletedNormally(h, null);
1892	<	assertEquals(1, r.invocationCount);
1885	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1886	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1887	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1888	>
1889	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1890	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1891	>	final Integer w1 =  fFirst ? v1 : v2;
1892	>	final Integer w2 = !fFirst ? v1 : v2;
1893	>
1894	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1895	>	assertTrue(fst.complete(w1));
1896	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1897	>	assertTrue(snd.complete(w2));
1898	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1899	>
1900	>	checkCompletedWithWrappedCFException(h1);
1901	>	checkCompletedWithWrappedCFException(h2);
1902	>	checkCompletedWithWrappedCFException(h3);
1903	>	r1.assertInvoked();
1904	>	r2.assertInvoked();
1905	>	r3.assertInvoked();
1906		checkCompletedNormally(f, v1);
1907		checkCompletedNormally(g, v2);
1908	<	}
1748	<	}
1908	>	}}
1909
1910	<	public void testRunAfterBoth_normalCompletion4() {
1910	>	/**
1911	>	* runAfterBoth result completes normally after normal
1912	>	* completion of sources
1913	>	*/
1914	>	public void testRunAfterBoth_normalCompletion() {
1915		for (ExecutionMode m : ExecutionMode.values())
1916	+	for (boolean fFirst : new boolean[] { true, false })
1917		for (Integer v1 : new Integer[] { 1, null })
1918	<	for (Integer v2 : new Integer[] { 2, null }) {
1919	<
1918	>	for (Integer v2 : new Integer[] { 2, null })
1919	>	{
1920		final CompletableFuture<Integer> f = new CompletableFuture<>();
1921		final CompletableFuture<Integer> g = new CompletableFuture<>();
1922	<	final Noop r = new Noop();
1923	<
1924	<	f.complete(v1);
1925	<	g.complete(v2);
1926	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1927	<
1928	<	checkCompletedNormally(h, null);
1929	<	assertEquals(1, r.invocationCount);
1922	>	final Noop r1 = new Noop(m);
1923	>	final Noop r2 = new Noop(m);
1924	>	final Noop r3 = new Noop(m);
1925	>
1926	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1927	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1928	>	final Integer w1 =  fFirst ? v1 : v2;
1929	>	final Integer w2 = !fFirst ? v1 : v2;
1930	>
1931	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1932	>	assertTrue(fst.complete(w1));
1933	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1934	>	checkIncomplete(h1);
1935	>	checkIncomplete(h2);
1936	>	r1.assertNotInvoked();
1937	>	r2.assertNotInvoked();
1938	>	assertTrue(snd.complete(w2));
1939	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1940	>
1941	>	checkCompletedNormally(h1, null);
1942	>	checkCompletedNormally(h2, null);
1943	>	checkCompletedNormally(h3, null);
1944	>	r1.assertInvoked();
1945	>	r2.assertInvoked();
1946	>	r3.assertInvoked();
1947		checkCompletedNormally(f, v1);
1948		checkCompletedNormally(g, v2);
1949	<	}
1768	<	}
1949	>	}}
1950
1951		/**
1952		* runAfterBoth result completes exceptionally after exceptional
1953		* completion of either source
1954		*/
1955	<	public void testRunAfterBoth_exceptionalCompletion1() {
1775	<	for (ExecutionMode m : ExecutionMode.values())
1776	<	for (Integer v1 : new Integer[] { 1, null }) {
1777	<
1778	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1779	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1780	<	final Noop r = new Noop();
1781	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1782	<	final CFException ex = new CFException();
1783	<
1784	<	f.completeExceptionally(ex);
1785	<	checkIncomplete(h);
1786	<	g.complete(v1);
1787	<
1788	<	checkCompletedWithWrappedCFException(h, ex);
1789	<	checkCompletedWithWrappedCFException(f, ex);
1790	<	assertEquals(0, r.invocationCount);
1791	<	checkCompletedNormally(g, v1);
1792	<	}
1793	<	}
1794	<
1795	<	public void testRunAfterBoth_exceptionalCompletion2() {
1955	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1956		for (ExecutionMode m : ExecutionMode.values())
1957	<	for (Integer v1 : new Integer[] { 1, null }) {
1958	<
1959	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1960	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1801	<	final Noop r = new Noop();
1802	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1803	<	final CFException ex = new CFException();
1804	<
1805	<	g.completeExceptionally(ex);
1806	<	checkIncomplete(h);
1807	<	f.complete(v1);
1808	<
1809	<	checkCompletedWithWrappedCFException(h, ex);
1810	<	checkCompletedWithWrappedCFException(g, ex);
1811	<	assertEquals(0, r.invocationCount);
1812	<	checkCompletedNormally(f, v1);
1813	<	}
1814	<	}
1815	<
1816	<	public void testRunAfterBoth_exceptionalCompletion3() {
1817	<	for (ExecutionMode m : ExecutionMode.values())
1818	<	for (Integer v1 : new Integer[] { 1, null }) {
1819	<
1820	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1821	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1822	<	final Noop r = new Noop();
1823	<	final CFException ex = new CFException();
1824	<
1825	<	g.completeExceptionally(ex);
1826	<	f.complete(v1);
1827	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1828	<
1829	<	checkCompletedWithWrappedCFException(h, ex);
1830	<	checkCompletedWithWrappedCFException(g, ex);
1831	<	assertEquals(0, r.invocationCount);
1832	<	checkCompletedNormally(f, v1);
1833	<	}
1834	<	}
1835	<
1836	<	public void testRunAfterBoth_exceptionalCompletion4() {
1837	<	for (ExecutionMode m : ExecutionMode.values())
1838	<	for (Integer v1 : new Integer[] { 1, null }) {
1839	<
1957	>	for (boolean fFirst : new boolean[] { true, false })
1958	>	for (boolean failFirst : new boolean[] { true, false })
1959	>	for (Integer v1 : new Integer[] { 1, null })
1960	>	{
1961		final CompletableFuture<Integer> f = new CompletableFuture<>();
1962		final CompletableFuture<Integer> g = new CompletableFuture<>();
1842	–	final Noop r = new Noop();
1963		final CFException ex = new CFException();
1964	<
1965	<	f.completeExceptionally(ex);
1966	<	g.complete(v1);
1967	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1968	<
1969	<	checkCompletedWithWrappedCFException(h, ex);
1970	<	checkCompletedWithWrappedCFException(f, ex);
1971	<	assertEquals(0, r.invocationCount);
1972	<	checkCompletedNormally(g, v1);
1973	<	}
1974	<	}
1964	>	final Noop r1 = new Noop(m);
1965	>	final Noop r2 = new Noop(m);
1966	>	final Noop r3 = new Noop(m);
1967	>
1968	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1969	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1970	>	final Callable<Boolean> complete1 = failFirst ?
1971	>	() -> fst.completeExceptionally(ex) :
1972	>	() -> fst.complete(v1);
1973	>	final Callable<Boolean> complete2 = failFirst ?
1974	>	() -> snd.complete(v1) :
1975	>	() -> snd.completeExceptionally(ex);
1976	>
1977	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1978	>	assertTrue(complete1.call());
1979	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1980	>	checkIncomplete(h1);
1981	>	checkIncomplete(h2);
1982	>	assertTrue(complete2.call());
1983	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1984	>
1985	>	checkCompletedWithWrappedException(h1, ex);
1986	>	checkCompletedWithWrappedException(h2, ex);
1987	>	checkCompletedWithWrappedException(h3, ex);
1988	>	r1.assertNotInvoked();
1989	>	r2.assertNotInvoked();
1990	>	r3.assertNotInvoked();
1991	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1992	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1993	>	}}
1994
1995		/**
1996	<	* runAfterBoth result completes exceptionally if action does
1996	>	* runAfterBoth result completes exceptionally if either source cancelled
1997		*/
1998	<	public void testRunAfterBoth_actionFailed1() {
1860	<	for (ExecutionMode m : ExecutionMode.values())
1861	<	for (Integer v1 : new Integer[] { 1, null })
1862	<	for (Integer v2 : new Integer[] { 2, null }) {
1863	<
1864	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1865	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1866	<	final FailingNoop r = new FailingNoop();
1867	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1868	<
1869	<	f.complete(v1);
1870	<	checkIncomplete(h);
1871	<	g.complete(v2);
1872	<
1873	<	checkCompletedWithWrappedCFException(h);
1874	<	checkCompletedNormally(f, v1);
1875	<	checkCompletedNormally(g, v2);
1876	<	}
1877	<	}
1878	<
1879	<	public void testRunAfterBoth_actionFailed2() {
1998	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
1999		for (ExecutionMode m : ExecutionMode.values())
2000	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2001	+	for (boolean fFirst : new boolean[] { true, false })
2002	+	for (boolean failFirst : new boolean[] { true, false })
2003		for (Integer v1 : new Integer[] { 1, null })
2004	<	for (Integer v2 : new Integer[] { 2, null }) {
1883	<
2004	>	{
2005		final CompletableFuture<Integer> f = new CompletableFuture<>();
2006		final CompletableFuture<Integer> g = new CompletableFuture<>();
2007	<	final FailingNoop r = new FailingNoop();
2008	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2009	<
2010	<	g.complete(v2);
2011	<	checkIncomplete(h);
2012	<	f.complete(v1);
2013	<
2014	<	checkCompletedWithWrappedCFException(h);
2015	<	checkCompletedNormally(f, v1);
2016	<	checkCompletedNormally(g, v2);
2017	<	}
2018	<	}
2007	>	final Noop r1 = new Noop(m);
2008	>	final Noop r2 = new Noop(m);
2009	>	final Noop r3 = new Noop(m);
2010	>
2011	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2012	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2013	>	final Callable<Boolean> complete1 = failFirst ?
2014	>	() -> fst.cancel(mayInterruptIfRunning) :
2015	>	() -> fst.complete(v1);
2016	>	final Callable<Boolean> complete2 = failFirst ?
2017	>	() -> snd.complete(v1) :
2018	>	() -> snd.cancel(mayInterruptIfRunning);
2019	>
2020	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2021	>	assertTrue(complete1.call());
2022	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2023	>	checkIncomplete(h1);
2024	>	checkIncomplete(h2);
2025	>	assertTrue(complete2.call());
2026	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2027	>
2028	>	checkCompletedWithWrappedCancellationException(h1);
2029	>	checkCompletedWithWrappedCancellationException(h2);
2030	>	checkCompletedWithWrappedCancellationException(h3);
2031	>	r1.assertNotInvoked();
2032	>	r2.assertNotInvoked();
2033	>	r3.assertNotInvoked();
2034	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2035	>	checkCancelled(failFirst ? fst : snd);
2036	>	}}
2037
2038		/**
2039	<	* runAfterBoth result completes exceptionally if either source cancelled
2039	>	* runAfterBoth result completes exceptionally if action does
2040		*/
2041	<	public void testRunAfterBoth_sourceCancelled1() {
2041	>	public void testRunAfterBoth_actionFailed() {
2042		for (ExecutionMode m : ExecutionMode.values())
2043	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2044	<	for (Integer v1 : new Integer[] { 1, null }) {
2045	<
2046	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1908	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1909	<	final Noop r = new Noop();
1910	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1911	<
1912	<	assertTrue(f.cancel(mayInterruptIfRunning));
1913	<	checkIncomplete(h);
1914	<	g.complete(v1);
1915	<
1916	<	checkCompletedWithWrappedCancellationException(h);
1917	<	checkCancelled(f);
1918	<	assertEquals(0, r.invocationCount);
1919	<	checkCompletedNormally(g, v1);
1920	<	}
1921	<	}
1922	<
1923	<	public void testRunAfterBoth_sourceCancelled2() {
1924	<	for (ExecutionMode m : ExecutionMode.values())
1925	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1926	<	for (Integer v1 : new Integer[] { 1, null }) {
1927	<
1928	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1929	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1930	<	final Noop r = new Noop();
1931	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1932	<
1933	<	assertTrue(g.cancel(mayInterruptIfRunning));
1934	<	checkIncomplete(h);
1935	<	f.complete(v1);
1936	<
1937	<	checkCompletedWithWrappedCancellationException(h);
1938	<	checkCancelled(g);
1939	<	assertEquals(0, r.invocationCount);
1940	<	checkCompletedNormally(f, v1);
1941	<	}
1942	<	}
1943	<
1944	<	public void testRunAfterBoth_sourceCancelled3() {
1945	<	for (ExecutionMode m : ExecutionMode.values())
1946	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1947	<	for (Integer v1 : new Integer[] { 1, null }) {
1948	<
2043	>	for (boolean fFirst : new boolean[] { true, false })
2044	>	for (Integer v1 : new Integer[] { 1, null })
2045	>	for (Integer v2 : new Integer[] { 2, null })
2046	>	{
2047		final CompletableFuture<Integer> f = new CompletableFuture<>();
2048		final CompletableFuture<Integer> g = new CompletableFuture<>();
2049	<	final Noop r = new Noop();
2050	<
2051	<	assertTrue(g.cancel(mayInterruptIfRunning));
2052	<	f.complete(v1);
2053	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2054	<
2055	<	checkCompletedWithWrappedCancellationException(h);
2056	<	checkCancelled(g);
2057	<	assertEquals(0, r.invocationCount);
2049	>	final FailingRunnable r1 = new FailingRunnable(m);
2050	>	final FailingRunnable r2 = new FailingRunnable(m);
2051	>	final FailingRunnable r3 = new FailingRunnable(m);
2052	>
2053	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2054	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2055	>	final Integer w1 =  fFirst ? v1 : v2;
2056	>	final Integer w2 = !fFirst ? v1 : v2;
2057	>
2058	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2059	>	assertTrue(fst.complete(w1));
2060	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2061	>	assertTrue(snd.complete(w2));
2062	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2063	>
2064	>	checkCompletedWithWrappedCFException(h1);
2065	>	checkCompletedWithWrappedCFException(h2);
2066	>	checkCompletedWithWrappedCFException(h3);
2067	>	r1.assertInvoked();
2068	>	r2.assertInvoked();
2069	>	r3.assertInvoked();
2070		checkCompletedNormally(f, v1);
2071	<	}
2072	<	}
1963	<
1964	<	public void testRunAfterBoth_sourceCancelled4() {
1965	<	for (ExecutionMode m : ExecutionMode.values())
1966	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1967	<	for (Integer v1 : new Integer[] { 1, null }) {
1968	<
1969	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1970	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1971	<	final Noop r = new Noop();
1972	<
1973	<	assertTrue(f.cancel(mayInterruptIfRunning));
1974	<	g.complete(v1);
1975	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1976	<
1977	<	checkCompletedWithWrappedCancellationException(h);
1978	<	checkCancelled(f);
1979	<	assertEquals(0, r.invocationCount);
1980	<	checkCompletedNormally(g, v1);
1981	<	}
1982	<	}
2071	>	checkCompletedNormally(g, v2);
2072	>	}}
2073
2074		/**
2075		* applyToEither result completes normally after normal completion
2076		* of either source
2077		*/
2078	<	public void testApplyToEither_normalCompletion1() {
2078	>	public void testApplyToEither_normalCompletion() {
2079		for (ExecutionMode m : ExecutionMode.values())
2080		for (Integer v1 : new Integer[] { 1, null })
2081	<	for (Integer v2 : new Integer[] { 2, null }) {
2082	<
1993	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1994	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1995	<	final IncFunction r = new IncFunction();
1996	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1997	<
1998	<	f.complete(v1);
1999	<	checkCompletedNormally(h, inc(v1));
2000	<	g.complete(v2);
2001	<
2002	<	checkCompletedNormally(f, v1);
2003	<	checkCompletedNormally(g, v2);
2004	<	checkCompletedNormally(h, inc(v1));
2005	<	}
2006	<	}
2007	<
2008	<	public void testApplyToEither_normalCompletion2() {
2009	<	for (ExecutionMode m : ExecutionMode.values())
2010	<	for (Integer v1 : new Integer[] { 1, null })
2011	<	for (Integer v2 : new Integer[] { 2, null }) {
2012	<
2013	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2014	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2015	<	final IncFunction r = new IncFunction();
2016	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2017	<
2018	<	g.complete(v2);
2019	<	checkCompletedNormally(h, inc(v2));
2020	<	f.complete(v1);
2021	<
2022	<	checkCompletedNormally(f, v1);
2023	<	checkCompletedNormally(g, v2);
2024	<	checkCompletedNormally(h, inc(v2));
2025	<	}
2026	<	}
2027	<	public void testApplyToEither_normalCompletion3() {
2028	<	for (ExecutionMode m : ExecutionMode.values())
2029	<	for (Integer v1 : new Integer[] { 1, null })
2030	<	for (Integer v2 : new Integer[] { 2, null }) {
2031	<
2081	>	for (Integer v2 : new Integer[] { 2, null })
2082	>	{
2083		final CompletableFuture<Integer> f = new CompletableFuture<>();
2084		final CompletableFuture<Integer> g = new CompletableFuture<>();
2085	<	final IncFunction r = new IncFunction();
2085	>	final IncFunction[] rs = new IncFunction[6];
2086	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2087
2088	<	f.complete(v1);
2089	<	g.complete(v2);
2090	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2088	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2089	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2090	>	checkIncomplete(h0);
2091	>	checkIncomplete(h1);
2092	>	rs[0].assertNotInvoked();
2093	>	rs[1].assertNotInvoked();
2094	>	f.complete(v1);
2095	>	checkCompletedNormally(h0, inc(v1));
2096	>	checkCompletedNormally(h1, inc(v1));
2097	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2098	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2099	>	checkCompletedNormally(h2, inc(v1));
2100	>	checkCompletedNormally(h3, inc(v1));
2101	>	g.complete(v2);
2102	>
2103	>	// unspecified behavior - both source completions available
2104	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2105	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2106	>	rs[4].assertValue(h4.join());
2107	>	rs[5].assertValue(h5.join());
2108	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2109	>	Objects.equals(inc(v2), h4.join()));
2110	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2111	>	Objects.equals(inc(v2), h5.join()));
2112
2113		checkCompletedNormally(f, v1);
2114		checkCompletedNormally(g, v2);
2115	<
2116	<	// unspecified behavior
2117	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2118	<	Objects.equals(h.join(), inc(v2)));
2119	<	assertEquals(1, r.invocationCount);
2120	<	}
2048	<	}
2115	>	checkCompletedNormally(h0, inc(v1));
2116	>	checkCompletedNormally(h1, inc(v1));
2117	>	checkCompletedNormally(h2, inc(v1));
2118	>	checkCompletedNormally(h3, inc(v1));
2119	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2120	>	}}
2121
2122		/**
2123		* applyToEither result completes exceptionally after exceptional
2124		* completion of either source
2125		*/
2126	<	public void testApplyToEither_exceptionalCompletion1() {
2126	>	public void testApplyToEither_exceptionalCompletion() {
2127		for (ExecutionMode m : ExecutionMode.values())
2128	<	for (Integer v1 : new Integer[] { 1, null }) {
2129	<
2128	>	for (Integer v1 : new Integer[] { 1, null })
2129	>	{
2130		final CompletableFuture<Integer> f = new CompletableFuture<>();
2131		final CompletableFuture<Integer> g = new CompletableFuture<>();
2060	–	final IncFunction r = new IncFunction();
2061	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2132		final CFException ex = new CFException();
2133	+	final IncFunction[] rs = new IncFunction[6];
2134	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2135
2136	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2137	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2138	+	checkIncomplete(h0);
2139	+	checkIncomplete(h1);
2140	+	rs[0].assertNotInvoked();
2141	+	rs[1].assertNotInvoked();
2142		f.completeExceptionally(ex);
2143	<	checkCompletedWithWrappedCFException(h, ex);
2143	>	checkCompletedWithWrappedException(h0, ex);
2144	>	checkCompletedWithWrappedException(h1, ex);
2145	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2146	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2147	>	checkCompletedWithWrappedException(h2, ex);
2148	>	checkCompletedWithWrappedException(h3, ex);
2149		g.complete(v1);
2150
2151	<	assertEquals(0, r.invocationCount);
2152	<	checkCompletedNormally(g, v1);
2153	<	checkCompletedWithWrappedCFException(f, ex);
2154	<	checkCompletedWithWrappedCFException(h, ex);
2155	<	}
2156	<	}
2157	<
2158	<	public void testApplyToEither_exceptionalCompletion2() {
2159	<	for (ExecutionMode m : ExecutionMode.values())
2077	<	for (Integer v1 : new Integer[] { 1, null }) {
2078	<
2079	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2080	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2081	<	final IncFunction r = new IncFunction();
2082	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2083	<	final CFException ex = new CFException();
2084	<
2085	<	g.completeExceptionally(ex);
2086	<	checkCompletedWithWrappedCFException(h, ex);
2087	<	f.complete(v1);
2088	<
2089	<	assertEquals(0, r.invocationCount);
2090	<	checkCompletedNormally(f, v1);
2091	<	checkCompletedWithWrappedCFException(g, ex);
2092	<	checkCompletedWithWrappedCFException(h, ex);
2151	>	// unspecified behavior - both source completions available
2152	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2153	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2154	>	try {
2155	>	assertEquals(inc(v1), h4.join());
2156	>	rs[4].assertValue(inc(v1));
2157	>	} catch (CompletionException ok) {
2158	>	checkCompletedWithWrappedException(h4, ex);
2159	>	rs[4].assertNotInvoked();
2160		}
2094	–	}
2095	–
2096	–	public void testApplyToEither_exceptionalCompletion3() {
2097	–	for (ExecutionMode m : ExecutionMode.values())
2098	–	for (Integer v1 : new Integer[] { 1, null }) {
2099	–
2100	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2101	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2102	–	final IncFunction r = new IncFunction();
2103	–	final CFException ex = new CFException();
2104	–
2105	–	g.completeExceptionally(ex);
2106	–	f.complete(v1);
2107	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2108	–
2109	–	// unspecified behavior
2110	–	Integer v;
2161		try {
2162	<	assertEquals(inc(v1), h.join());
2163	<	assertEquals(1, r.invocationCount);
2162	>	assertEquals(inc(v1), h5.join());
2163	>	rs[5].assertValue(inc(v1));
2164		} catch (CompletionException ok) {
2165	<	checkCompletedWithWrappedCFException(h, ex);
2166	<	assertEquals(0, r.invocationCount);
2165	>	checkCompletedWithWrappedException(h5, ex);
2166	>	rs[5].assertNotInvoked();
2167		}
2168
2169	<	checkCompletedWithWrappedCFException(g, ex);
2170	<	checkCompletedNormally(f, v1);
2171	<	}
2172	<	}
2169	>	checkCompletedExceptionally(f, ex);
2170	>	checkCompletedNormally(g, v1);
2171	>	checkCompletedWithWrappedException(h0, ex);
2172	>	checkCompletedWithWrappedException(h1, ex);
2173	>	checkCompletedWithWrappedException(h2, ex);
2174	>	checkCompletedWithWrappedException(h3, ex);
2175	>	checkCompletedWithWrappedException(h4, ex);
2176	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2177	>	}}
2178
2179	<	public void testApplyToEither_exceptionalCompletion4() {
2179	>	public void testApplyToEither_exceptionalCompletion2() {
2180		for (ExecutionMode m : ExecutionMode.values())
2181	<	for (Integer v1 : new Integer[] { 1, null }) {
2182	<
2181	>	for (boolean fFirst : new boolean[] { true, false })
2182	>	for (Integer v1 : new Integer[] { 1, null })
2183	>	{
2184		final CompletableFuture<Integer> f = new CompletableFuture<>();
2185		final CompletableFuture<Integer> g = new CompletableFuture<>();
2130	–	final IncFunction r = new IncFunction();
2186		final CFException ex = new CFException();
2187	+	final IncFunction[] rs = new IncFunction[6];
2188	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2189
2190	<	f.completeExceptionally(ex);
2191	<	g.complete(v1);
2192	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2190	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2191	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2192	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2193	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2194	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2195	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2196
2197	<	// unspecified behavior
2138	<	Integer v;
2197	>	// unspecified behavior - both source completions available
2198		try {
2199	<	assertEquals(inc(v1), h.join());
2200	<	assertEquals(1, r.invocationCount);
2199	>	assertEquals(inc(v1), h0.join());
2200	>	rs[0].assertValue(inc(v1));
2201		} catch (CompletionException ok) {
2202	<	checkCompletedWithWrappedCFException(h, ex);
2203	<	assertEquals(0, r.invocationCount);
2202	>	checkCompletedWithWrappedException(h0, ex);
2203	>	rs[0].assertNotInvoked();
2204		}
2205	<
2206	<	checkCompletedWithWrappedCFException(f, ex);
2207	<	checkCompletedNormally(g, v1);
2205	>	try {
2206	>	assertEquals(inc(v1), h1.join());
2207	>	rs[1].assertValue(inc(v1));
2208	>	} catch (CompletionException ok) {
2209	>	checkCompletedWithWrappedException(h1, ex);
2210	>	rs[1].assertNotInvoked();
2211		}
2212	<	}
2213	<
2214	<	/**
2215	<	* applyToEither result completes exceptionally if action does
2216	<	*/
2217	<	public void testApplyToEither_actionFailed1() {
2218	<	for (ExecutionMode m : ExecutionMode.values())
2219	<	for (Integer v1 : new Integer[] { 1, null })
2220	<	for (Integer v2 : new Integer[] { 2, null }) {
2221	<
2222	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2223	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2224	<	final FailingFunction r = new FailingFunction();
2163	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2164	<
2165	<	f.complete(v1);
2166	<	checkCompletedWithWrappedCFException(h);
2167	<	g.complete(v2);
2168	<	checkCompletedNormally(f, v1);
2169	<	checkCompletedNormally(g, v2);
2212	>	try {
2213	>	assertEquals(inc(v1), h2.join());
2214	>	rs[2].assertValue(inc(v1));
2215	>	} catch (CompletionException ok) {
2216	>	checkCompletedWithWrappedException(h2, ex);
2217	>	rs[2].assertNotInvoked();
2218	>	}
2219	>	try {
2220	>	assertEquals(inc(v1), h3.join());
2221	>	rs[3].assertValue(inc(v1));
2222	>	} catch (CompletionException ok) {
2223	>	checkCompletedWithWrappedException(h3, ex);
2224	>	rs[3].assertNotInvoked();
2225		}
2171	–	}
2172	–
2173	–	public void testApplyToEither_actionFailed2() {
2174	–	for (ExecutionMode m : ExecutionMode.values())
2175	–	for (Integer v1 : new Integer[] { 1, null })
2176	–	for (Integer v2 : new Integer[] { 2, null }) {
2177	–
2178	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2179	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2180	–	final FailingFunction r = new FailingFunction();
2181	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2226
2183	–	g.complete(v2);
2184	–	checkCompletedWithWrappedCFException(h);
2185	–	f.complete(v1);
2227		checkCompletedNormally(f, v1);
2228	<	checkCompletedNormally(g, v2);
2229	<	}
2189	<	}
2228	>	checkCompletedExceptionally(g, ex);
2229	>	}}
2230
2231		/**
2232		* applyToEither result completes exceptionally if either source cancelled
2233		*/
2234	<	public void testApplyToEither_sourceCancelled1() {
2234	>	public void testApplyToEither_sourceCancelled() {
2235		for (ExecutionMode m : ExecutionMode.values())
2236		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2237	<	for (Integer v1 : new Integer[] { 1, null }) {
2238	<
2237	>	for (Integer v1 : new Integer[] { 1, null })
2238	>	{
2239		final CompletableFuture<Integer> f = new CompletableFuture<>();
2240		final CompletableFuture<Integer> g = new CompletableFuture<>();
2241	<	final IncFunction r = new IncFunction();
2242	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2241	>	final IncFunction[] rs = new IncFunction[6];
2242	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2243
2244	<	assertTrue(f.cancel(mayInterruptIfRunning));
2245	<	checkCompletedWithWrappedCancellationException(h);
2246	<	g.complete(v1);
2244	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2245	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2246	>	checkIncomplete(h0);
2247	>	checkIncomplete(h1);
2248	>	rs[0].assertNotInvoked();
2249	>	rs[1].assertNotInvoked();
2250	>	f.cancel(mayInterruptIfRunning);
2251	>	checkCompletedWithWrappedCancellationException(h0);
2252	>	checkCompletedWithWrappedCancellationException(h1);
2253	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2254	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2255	>	checkCompletedWithWrappedCancellationException(h2);
2256	>	checkCompletedWithWrappedCancellationException(h3);
2257	>	g.complete(v1);
2258	>
2259	>	// unspecified behavior - both source completions available
2260	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2261	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2262	>	try {
2263	>	assertEquals(inc(v1), h4.join());
2264	>	rs[4].assertValue(inc(v1));
2265	>	} catch (CompletionException ok) {
2266	>	checkCompletedWithWrappedCancellationException(h4);
2267	>	rs[4].assertNotInvoked();
2268	>	}
2269	>	try {
2270	>	assertEquals(inc(v1), h5.join());
2271	>	rs[5].assertValue(inc(v1));
2272	>	} catch (CompletionException ok) {
2273	>	checkCompletedWithWrappedCancellationException(h5);
2274	>	rs[5].assertNotInvoked();
2275	>	}
2276
2277		checkCancelled(f);
2209	–	assertEquals(0, r.invocationCount);
2278		checkCompletedNormally(g, v1);
2279	<	checkCompletedWithWrappedCancellationException(h);
2280	<	}
2281	<	}
2279	>	checkCompletedWithWrappedCancellationException(h0);
2280	>	checkCompletedWithWrappedCancellationException(h1);
2281	>	checkCompletedWithWrappedCancellationException(h2);
2282	>	checkCompletedWithWrappedCancellationException(h3);
2283	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2284	>	}}
2285
2286		public void testApplyToEither_sourceCancelled2() {
2287		for (ExecutionMode m : ExecutionMode.values())
2288		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2289	<	for (Integer v1 : new Integer[] { 1, null }) {
2290	<
2289	>	for (boolean fFirst : new boolean[] { true, false })
2290	>	for (Integer v1 : new Integer[] { 1, null })
2291	>	{
2292		final CompletableFuture<Integer> f = new CompletableFuture<>();
2293		final CompletableFuture<Integer> g = new CompletableFuture<>();
2294	<	final IncFunction r = new IncFunction();
2295	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2294	>	final IncFunction[] rs = new IncFunction[6];
2295	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2296
2297	<	assertTrue(g.cancel(mayInterruptIfRunning));
2298	<	checkCompletedWithWrappedCancellationException(h);
2299	<	f.complete(v1);
2297	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2298	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2299	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2300	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2301	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2302	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2303
2304	<	checkCancelled(g);
2305	<	assertEquals(0, r.invocationCount);
2306	<	checkCompletedNormally(f, v1);
2307	<	checkCompletedWithWrappedCancellationException(h);
2304	>	// unspecified behavior - both source completions available
2305	>	try {
2306	>	assertEquals(inc(v1), h0.join());
2307	>	rs[0].assertValue(inc(v1));
2308	>	} catch (CompletionException ok) {
2309	>	checkCompletedWithWrappedCancellationException(h0);
2310	>	rs[0].assertNotInvoked();
2311		}
2234	–	}
2235	–
2236	–	public void testApplyToEither_sourceCancelled3() {
2237	–	for (ExecutionMode m : ExecutionMode.values())
2238	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2239	–	for (Integer v1 : new Integer[] { 1, null }) {
2240	–
2241	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2242	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2243	–	final IncFunction r = new IncFunction();
2244	–
2245	–	assertTrue(g.cancel(mayInterruptIfRunning));
2246	–	f.complete(v1);
2247	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2248	–
2249	–	// unspecified behavior
2250	–	Integer v;
2312		try {
2313	<	assertEquals(inc(v1), h.join());
2314	<	assertEquals(1, r.invocationCount);
2313	>	assertEquals(inc(v1), h1.join());
2314	>	rs[1].assertValue(inc(v1));
2315		} catch (CompletionException ok) {
2316	<	checkCompletedWithWrappedCancellationException(h);
2317	<	assertEquals(0, r.invocationCount);
2316	>	checkCompletedWithWrappedCancellationException(h1);
2317	>	rs[1].assertNotInvoked();
2318		}
2319	<
2320	<	checkCancelled(g);
2321	<	checkCompletedNormally(f, v1);
2319	>	try {
2320	>	assertEquals(inc(v1), h2.join());
2321	>	rs[2].assertValue(inc(v1));
2322	>	} catch (CompletionException ok) {
2323	>	checkCompletedWithWrappedCancellationException(h2);
2324	>	rs[2].assertNotInvoked();
2325		}
2262	–	}
2263	–
2264	–	public void testApplyToEither_sourceCancelled4() {
2265	–	for (ExecutionMode m : ExecutionMode.values())
2266	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2267	–	for (Integer v1 : new Integer[] { 1, null }) {
2268	–
2269	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2270	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2271	–	final IncFunction r = new IncFunction();
2272	–
2273	–	assertTrue(f.cancel(mayInterruptIfRunning));
2274	–	g.complete(v1);
2275	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2276	–
2277	–	// unspecified behavior
2278	–	Integer v;
2326		try {
2327	<	assertEquals(inc(v1), h.join());
2328	<	assertEquals(1, r.invocationCount);
2327	>	assertEquals(inc(v1), h3.join());
2328	>	rs[3].assertValue(inc(v1));
2329		} catch (CompletionException ok) {
2330	<	checkCompletedWithWrappedCancellationException(h);
2331	<	assertEquals(0, r.invocationCount);
2330	>	checkCompletedWithWrappedCancellationException(h3);
2331	>	rs[3].assertNotInvoked();
2332		}
2333
2334	<	checkCancelled(f);
2335	<	checkCompletedNormally(g, v1);
2336	<	}
2290	<	}
2334	>	checkCompletedNormally(f, v1);
2335	>	checkCancelled(g);
2336	>	}}
2337
2338		/**
2339	<	* acceptEither result completes normally after normal completion
2294	<	* of either source
2339	>	* applyToEither result completes exceptionally if action does
2340		*/
2341	<	public void testAcceptEither_normalCompletion1() {
2341	>	public void testApplyToEither_actionFailed() {
2342		for (ExecutionMode m : ExecutionMode.values())
2343		for (Integer v1 : new Integer[] { 1, null })
2344	<	for (Integer v2 : new Integer[] { 2, null }) {
2345	<
2344	>	for (Integer v2 : new Integer[] { 2, null })
2345	>	{
2346		final CompletableFuture<Integer> f = new CompletableFuture<>();
2347		final CompletableFuture<Integer> g = new CompletableFuture<>();
2348	<	final IncAction r = new IncAction();
2349	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2348	>	final FailingFunction[] rs = new FailingFunction[6];
2349	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2350
2351	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2352	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2353		f.complete(v1);
2354	<	checkCompletedNormally(h, null);
2355	<	assertEquals(inc(v1), r.value);
2356	<	g.complete(v2);
2357	<
2358	<	checkCompletedNormally(f, v1);
2359	<	checkCompletedNormally(g, v2);
2360	<	checkCompletedNormally(h, null);
2314	<	}
2315	<	}
2316	<
2317	<	public void testAcceptEither_normalCompletion2() {
2318	<	for (ExecutionMode m : ExecutionMode.values())
2319	<	for (Integer v1 : new Integer[] { 1, null })
2320	<	for (Integer v2 : new Integer[] { 2, null }) {
2321	<
2322	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2323	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2324	<	final IncAction r = new IncAction();
2325	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2354	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2355	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2356	>	checkCompletedWithWrappedCFException(h0);
2357	>	checkCompletedWithWrappedCFException(h1);
2358	>	checkCompletedWithWrappedCFException(h2);
2359	>	checkCompletedWithWrappedCFException(h3);
2360	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2361
2362		g.complete(v2);
2363	<	checkCompletedNormally(h, null);
2364	<	assertEquals(inc(v2), r.value);
2365	<	f.complete(v1);
2363	>
2364	>	// unspecified behavior - both source completions available
2365	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2366	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2367	>
2368	>	checkCompletedWithWrappedCFException(h4);
2369	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2370	>	Objects.equals(v2, rs[4].value));
2371	>	checkCompletedWithWrappedCFException(h5);
2372	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2373	>	Objects.equals(v2, rs[5].value));
2374
2375		checkCompletedNormally(f, v1);
2376		checkCompletedNormally(g, v2);
2377	<	checkCompletedNormally(h, null);
2378	<	}
2379	<	}
2380	<	public void testAcceptEither_normalCompletion3() {
2377	>	}}
2378	>
2379	>	/**
2380	>	* acceptEither result completes normally after normal completion
2381	>	* of either source
2382	>	*/
2383	>	public void testAcceptEither_normalCompletion() {
2384		for (ExecutionMode m : ExecutionMode.values())
2385		for (Integer v1 : new Integer[] { 1, null })
2386	<	for (Integer v2 : new Integer[] { 2, null }) {
2387	<
2386	>	for (Integer v2 : new Integer[] { 2, null })
2387	>	{
2388		final CompletableFuture<Integer> f = new CompletableFuture<>();
2389		final CompletableFuture<Integer> g = new CompletableFuture<>();
2390	<	final IncAction r = new IncAction();
2390	>	final NoopConsumer[] rs = new NoopConsumer[6];
2391	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2392
2393	<	f.complete(v1);
2394	<	g.complete(v2);
2395	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2393	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2394	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2395	>	checkIncomplete(h0);
2396	>	checkIncomplete(h1);
2397	>	rs[0].assertNotInvoked();
2398	>	rs[1].assertNotInvoked();
2399	>	f.complete(v1);
2400	>	checkCompletedNormally(h0, null);
2401	>	checkCompletedNormally(h1, null);
2402	>	rs[0].assertValue(v1);
2403	>	rs[1].assertValue(v1);
2404	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2405	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2406	>	checkCompletedNormally(h2, null);
2407	>	checkCompletedNormally(h3, null);
2408	>	rs[2].assertValue(v1);
2409	>	rs[3].assertValue(v1);
2410	>	g.complete(v2);
2411	>
2412	>	// unspecified behavior - both source completions available
2413	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2414	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2415	>	checkCompletedNormally(h4, null);
2416	>	checkCompletedNormally(h5, null);
2417	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2418	>	Objects.equals(v2, rs[4].value));
2419	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2420	>	Objects.equals(v2, rs[5].value));
2421
2350	–	checkCompletedNormally(h, null);
2422		checkCompletedNormally(f, v1);
2423		checkCompletedNormally(g, v2);
2424	<
2425	<	// unspecified behavior
2426	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2427	<	Objects.equals(r.value, inc(v2)));
2428	<	}
2429	<	}
2424	>	checkCompletedNormally(h0, null);
2425	>	checkCompletedNormally(h1, null);
2426	>	checkCompletedNormally(h2, null);
2427	>	checkCompletedNormally(h3, null);
2428	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2429	>	}}
2430
2431		/**
2432		* acceptEither result completes exceptionally after exceptional
2433		* completion of either source
2434		*/
2435	<	public void testAcceptEither_exceptionalCompletion1() {
2435	>	public void testAcceptEither_exceptionalCompletion() {
2436		for (ExecutionMode m : ExecutionMode.values())
2437	<	for (Integer v1 : new Integer[] { 1, null }) {
2438	<
2437	>	for (Integer v1 : new Integer[] { 1, null })
2438	>	{
2439		final CompletableFuture<Integer> f = new CompletableFuture<>();
2440		final CompletableFuture<Integer> g = new CompletableFuture<>();
2370	–	final IncAction r = new IncAction();
2371	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2441		final CFException ex = new CFException();
2442	+	final NoopConsumer[] rs = new NoopConsumer[6];
2443	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2444
2445	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2446	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2447	+	checkIncomplete(h0);
2448	+	checkIncomplete(h1);
2449	+	rs[0].assertNotInvoked();
2450	+	rs[1].assertNotInvoked();
2451		f.completeExceptionally(ex);
2452	<	checkCompletedWithWrappedCFException(h, ex);
2453	<	g.complete(v1);
2454	<
2455	<	assertEquals(0, r.invocationCount);
2456	<	checkCompletedNormally(g, v1);
2457	<	checkCompletedWithWrappedCFException(f, ex);
2381	<	checkCompletedWithWrappedCFException(h, ex);
2382	<	}
2383	<	}
2452	>	checkCompletedWithWrappedException(h0, ex);
2453	>	checkCompletedWithWrappedException(h1, ex);
2454	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2455	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2456	>	checkCompletedWithWrappedException(h2, ex);
2457	>	checkCompletedWithWrappedException(h3, ex);
2458
2459	<	public void testAcceptEither_exceptionalCompletion2() {
2386	<	for (ExecutionMode m : ExecutionMode.values())
2387	<	for (Integer v1 : new Integer[] { 1, null }) {
2388	<
2389	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2390	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2391	<	final IncAction r = new IncAction();
2392	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2393	<	final CFException ex = new CFException();
2394	<
2395	<	g.completeExceptionally(ex);
2396	<	checkCompletedWithWrappedCFException(h, ex);
2397	<	f.complete(v1);
2459	>	g.complete(v1);
2460
2461	<	assertEquals(0, r.invocationCount);
2462	<	checkCompletedNormally(f, v1);
2463	<	checkCompletedWithWrappedCFException(g, ex);
2464	<	checkCompletedWithWrappedCFException(h, ex);
2461	>	// unspecified behavior - both source completions available
2462	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2463	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2464	>	try {
2465	>	assertNull(h4.join());
2466	>	rs[4].assertValue(v1);
2467	>	} catch (CompletionException ok) {
2468	>	checkCompletedWithWrappedException(h4, ex);
2469	>	rs[4].assertNotInvoked();
2470		}
2404	–	}
2405	–
2406	–	public void testAcceptEither_exceptionalCompletion3() {
2407	–	for (ExecutionMode m : ExecutionMode.values())
2408	–	for (Integer v1 : new Integer[] { 1, null }) {
2409	–
2410	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2411	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2412	–	final IncAction r = new IncAction();
2413	–	final CFException ex = new CFException();
2414	–
2415	–	g.completeExceptionally(ex);
2416	–	f.complete(v1);
2417	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2418	–
2419	–	// unspecified behavior
2420	–	Integer v;
2471		try {
2472	<	assertNull(h.join());
2473	<	assertEquals(1, r.invocationCount);
2424	<	assertEquals(inc(v1), r.value);
2472	>	assertNull(h5.join());
2473	>	rs[5].assertValue(v1);
2474		} catch (CompletionException ok) {
2475	<	checkCompletedWithWrappedCFException(h, ex);
2476	<	assertEquals(0, r.invocationCount);
2475	>	checkCompletedWithWrappedException(h5, ex);
2476	>	rs[5].assertNotInvoked();
2477		}
2478
2479	<	checkCompletedWithWrappedCFException(g, ex);
2480	<	checkCompletedNormally(f, v1);
2481	<	}
2482	<	}
2479	>	checkCompletedExceptionally(f, ex);
2480	>	checkCompletedNormally(g, v1);
2481	>	checkCompletedWithWrappedException(h0, ex);
2482	>	checkCompletedWithWrappedException(h1, ex);
2483	>	checkCompletedWithWrappedException(h2, ex);
2484	>	checkCompletedWithWrappedException(h3, ex);
2485	>	checkCompletedWithWrappedException(h4, ex);
2486	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2487	>	}}
2488
2489	<	public void testAcceptEither_exceptionalCompletion4() {
2489	>	public void testAcceptEither_exceptionalCompletion2() {
2490		for (ExecutionMode m : ExecutionMode.values())
2491	<	for (Integer v1 : new Integer[] { 1, null }) {
2492	<
2491	>	for (boolean fFirst : new boolean[] { true, false })
2492	>	for (Integer v1 : new Integer[] { 1, null })
2493	>	{
2494		final CompletableFuture<Integer> f = new CompletableFuture<>();
2495		final CompletableFuture<Integer> g = new CompletableFuture<>();
2441	–	final IncAction r = new IncAction();
2496		final CFException ex = new CFException();
2497	+	final NoopConsumer[] rs = new NoopConsumer[6];
2498	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2499
2500	<	f.completeExceptionally(ex);
2501	<	g.complete(v1);
2502	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2500	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2501	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2502	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2503	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2504	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2505	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2506
2507	<	// unspecified behavior
2449	<	Integer v;
2507	>	// unspecified behavior - both source completions available
2508		try {
2509	<	assertNull(h.join());
2510	<	assertEquals(1, r.invocationCount);
2453	<	assertEquals(inc(v1), r.value);
2509	>	assertEquals(null, h0.join());
2510	>	rs[0].assertValue(v1);
2511		} catch (CompletionException ok) {
2512	<	checkCompletedWithWrappedCFException(h, ex);
2513	<	assertEquals(0, r.invocationCount);
2512	>	checkCompletedWithWrappedException(h0, ex);
2513	>	rs[0].assertNotInvoked();
2514		}
2515	<
2516	<	checkCompletedWithWrappedCFException(f, ex);
2517	<	checkCompletedNormally(g, v1);
2515	>	try {
2516	>	assertEquals(null, h1.join());
2517	>	rs[1].assertValue(v1);
2518	>	} catch (CompletionException ok) {
2519	>	checkCompletedWithWrappedException(h1, ex);
2520	>	rs[1].assertNotInvoked();
2521		}
2522	<	}
2523	<
2524	<	/**
2525	<	* acceptEither result completes exceptionally if action does
2526	<	*/
2527	<	public void testAcceptEither_actionFailed1() {
2528	<	for (ExecutionMode m : ExecutionMode.values())
2529	<	for (Integer v1 : new Integer[] { 1, null })
2530	<	for (Integer v2 : new Integer[] { 2, null }) {
2531	<
2532	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2533	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2534	<	final FailingConsumer r = new FailingConsumer();
2475	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2476	<
2477	<	f.complete(v1);
2478	<	checkCompletedWithWrappedCFException(h);
2479	<	g.complete(v2);
2480	<	checkCompletedNormally(f, v1);
2481	<	checkCompletedNormally(g, v2);
2522	>	try {
2523	>	assertEquals(null, h2.join());
2524	>	rs[2].assertValue(v1);
2525	>	} catch (CompletionException ok) {
2526	>	checkCompletedWithWrappedException(h2, ex);
2527	>	rs[2].assertNotInvoked();
2528	>	}
2529	>	try {
2530	>	assertEquals(null, h3.join());
2531	>	rs[3].assertValue(v1);
2532	>	} catch (CompletionException ok) {
2533	>	checkCompletedWithWrappedException(h3, ex);
2534	>	rs[3].assertNotInvoked();
2535		}
2483	–	}
2484	–
2485	–	public void testAcceptEither_actionFailed2() {
2486	–	for (ExecutionMode m : ExecutionMode.values())
2487	–	for (Integer v1 : new Integer[] { 1, null })
2488	–	for (Integer v2 : new Integer[] { 2, null }) {
2489	–
2490	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2491	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2492	–	final FailingConsumer r = new FailingConsumer();
2493	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2536
2495	–	g.complete(v2);
2496	–	checkCompletedWithWrappedCFException(h);
2497	–	f.complete(v1);
2537		checkCompletedNormally(f, v1);
2538	<	checkCompletedNormally(g, v2);
2539	<	}
2501	<	}
2538	>	checkCompletedExceptionally(g, ex);
2539	>	}}
2540
2541		/**
2542		* acceptEither result completes exceptionally if either source cancelled
2543		*/
2544	<	public void testAcceptEither_sourceCancelled1() {
2544	>	public void testAcceptEither_sourceCancelled() {
2545		for (ExecutionMode m : ExecutionMode.values())
2546		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2547	<	for (Integer v1 : new Integer[] { 1, null }) {
2548	<
2511	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2512	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2513	<	final IncAction r = new IncAction();
2514	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2515	<
2516	<	assertTrue(f.cancel(mayInterruptIfRunning));
2517	<	checkCompletedWithWrappedCancellationException(h);
2518	<	g.complete(v1);
2519	<
2520	<	checkCancelled(f);
2521	<	assertEquals(0, r.invocationCount);
2522	<	checkCompletedNormally(g, v1);
2523	<	checkCompletedWithWrappedCancellationException(h);
2524	<	}
2525	<	}
2526	<
2527	<	public void testAcceptEither_sourceCancelled2() {
2528	<	for (ExecutionMode m : ExecutionMode.values())
2529	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2530	<	for (Integer v1 : new Integer[] { 1, null }) {
2531	<
2547	>	for (Integer v1 : new Integer[] { 1, null })
2548	>	{
2549		final CompletableFuture<Integer> f = new CompletableFuture<>();
2550		final CompletableFuture<Integer> g = new CompletableFuture<>();
2551	<	final IncAction r = new IncAction();
2552	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2536	<
2537	<	assertTrue(g.cancel(mayInterruptIfRunning));
2538	<	checkCompletedWithWrappedCancellationException(h);
2539	<	f.complete(v1);
2540	<
2541	<	checkCancelled(g);
2542	<	assertEquals(0, r.invocationCount);
2543	<	checkCompletedNormally(f, v1);
2544	<	checkCompletedWithWrappedCancellationException(h);
2545	<	}
2546	<	}
2547	<
2548	<	public void testAcceptEither_sourceCancelled3() {
2549	<	for (ExecutionMode m : ExecutionMode.values())
2550	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2551	<	for (Integer v1 : new Integer[] { 1, null }) {
2551	>	final NoopConsumer[] rs = new NoopConsumer[6];
2552	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2553
2554	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2555	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2556	<	final IncAction r = new IncAction();
2554	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2555	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2556	>	checkIncomplete(h0);
2557	>	checkIncomplete(h1);
2558	>	rs[0].assertNotInvoked();
2559	>	rs[1].assertNotInvoked();
2560	>	f.cancel(mayInterruptIfRunning);
2561	>	checkCompletedWithWrappedCancellationException(h0);
2562	>	checkCompletedWithWrappedCancellationException(h1);
2563	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2564	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2565	>	checkCompletedWithWrappedCancellationException(h2);
2566	>	checkCompletedWithWrappedCancellationException(h3);
2567
2568	<	assertTrue(g.cancel(mayInterruptIfRunning));
2558	<	f.complete(v1);
2559	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2568	>	g.complete(v1);
2569
2570	<	// unspecified behavior
2571	<	Integer v;
2570	>	// unspecified behavior - both source completions available
2571	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2572	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2573		try {
2574	<	assertNull(h.join());
2575	<	assertEquals(1, r.invocationCount);
2566	<	assertEquals(inc(v1), r.value);
2574	>	assertNull(h4.join());
2575	>	rs[4].assertValue(v1);
2576		} catch (CompletionException ok) {
2577	<	checkCompletedWithWrappedCancellationException(h);
2578	<	assertEquals(0, r.invocationCount);
2570	<	}
2571	<
2572	<	checkCancelled(g);
2573	<	checkCompletedNormally(f, v1);
2577	>	checkCompletedWithWrappedCancellationException(h4);
2578	>	rs[4].assertNotInvoked();
2579		}
2575	–	}
2576	–
2577	–	public void testAcceptEither_sourceCancelled4() {
2578	–	for (ExecutionMode m : ExecutionMode.values())
2579	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2580	–	for (Integer v1 : new Integer[] { 1, null }) {
2581	–
2582	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2583	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2584	–	final IncAction r = new IncAction();
2585	–
2586	–	assertTrue(f.cancel(mayInterruptIfRunning));
2587	–	g.complete(v1);
2588	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2589	–
2590	–	// unspecified behavior
2591	–	Integer v;
2580		try {
2581	<	assertNull(h.join());
2582	<	assertEquals(1, r.invocationCount);
2595	<	assertEquals(inc(v1), r.value);
2581	>	assertNull(h5.join());
2582	>	rs[5].assertValue(v1);
2583		} catch (CompletionException ok) {
2584	<	checkCompletedWithWrappedCancellationException(h);
2585	<	assertEquals(0, r.invocationCount);
2584	>	checkCompletedWithWrappedCancellationException(h5);
2585	>	rs[5].assertNotInvoked();
2586		}
2587
2588		checkCancelled(f);
2589		checkCompletedNormally(g, v1);
2590	<	}
2591	<	}
2590	>	checkCompletedWithWrappedCancellationException(h0);
2591	>	checkCompletedWithWrappedCancellationException(h1);
2592	>	checkCompletedWithWrappedCancellationException(h2);
2593	>	checkCompletedWithWrappedCancellationException(h3);
2594	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2595	>	}}
2596
2597		/**
2598	<	* runAfterEither result completes normally after normal completion
2608	<	* of either source
2598	>	* acceptEither result completes exceptionally if action does
2599		*/
2600	<	public void testRunAfterEither_normalCompletion1() {
2600	>	public void testAcceptEither_actionFailed() {
2601		for (ExecutionMode m : ExecutionMode.values())
2602		for (Integer v1 : new Integer[] { 1, null })
2603	<	for (Integer v2 : new Integer[] { 2, null }) {
2604	<
2603	>	for (Integer v2 : new Integer[] { 2, null })
2604	>	{
2605		final CompletableFuture<Integer> f = new CompletableFuture<>();
2606		final CompletableFuture<Integer> g = new CompletableFuture<>();
2607	<	final Noop r = new Noop();
2608	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2607	>	final FailingConsumer[] rs = new FailingConsumer[6];
2608	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2609
2610	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2611	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2612		f.complete(v1);
2613	<	checkCompletedNormally(h, null);
2614	<	assertEquals(1, r.invocationCount);
2613	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2614	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2615	>	checkCompletedWithWrappedCFException(h0);
2616	>	checkCompletedWithWrappedCFException(h1);
2617	>	checkCompletedWithWrappedCFException(h2);
2618	>	checkCompletedWithWrappedCFException(h3);
2619	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2620	>
2621		g.complete(v2);
2622
2623	+	// unspecified behavior - both source completions available
2624	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2625	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2626	+
2627	+	checkCompletedWithWrappedCFException(h4);
2628	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2629	+	Objects.equals(v2, rs[4].value));
2630	+	checkCompletedWithWrappedCFException(h5);
2631	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2632	+	Objects.equals(v2, rs[5].value));
2633	+
2634		checkCompletedNormally(f, v1);
2635		checkCompletedNormally(g, v2);
2636	<	checkCompletedNormally(h, null);
2628	<	assertEquals(1, r.invocationCount);
2629	<	}
2630	<	}
2636	>	}}
2637
2638	<	public void testRunAfterEither_normalCompletion2() {
2638	>	/**
2639	>	* runAfterEither result completes normally after normal completion
2640	>	* of either source
2641	>	*/
2642	>	public void testRunAfterEither_normalCompletion() {
2643		for (ExecutionMode m : ExecutionMode.values())
2644		for (Integer v1 : new Integer[] { 1, null })
2645	<	for (Integer v2 : new Integer[] { 2, null }) {
2646	<
2645	>	for (Integer v2 : new Integer[] { 2, null })
2646	>	{
2647		final CompletableFuture<Integer> f = new CompletableFuture<>();
2648		final CompletableFuture<Integer> g = new CompletableFuture<>();
2649	<	final Noop r = new Noop();
2650	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2649	>	final Noop[] rs = new Noop[6];
2650	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2651
2652	<	g.complete(v2);
2653	<	checkCompletedNormally(h, null);
2654	<	assertEquals(1, r.invocationCount);
2655	<	f.complete(v1);
2652	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2653	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2654	>	checkIncomplete(h0);
2655	>	checkIncomplete(h1);
2656	>	rs[0].assertNotInvoked();
2657	>	rs[1].assertNotInvoked();
2658	>	f.complete(v1);
2659	>	checkCompletedNormally(h0, null);
2660	>	checkCompletedNormally(h1, null);
2661	>	rs[0].assertInvoked();
2662	>	rs[1].assertInvoked();
2663	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2664	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2665	>	checkCompletedNormally(h2, null);
2666	>	checkCompletedNormally(h3, null);
2667	>	rs[2].assertInvoked();
2668	>	rs[3].assertInvoked();
2669
2647	–	checkCompletedNormally(f, v1);
2648	–	checkCompletedNormally(g, v2);
2649	–	checkCompletedNormally(h, null);
2650	–	assertEquals(1, r.invocationCount);
2651	–	}
2652	–	}
2653	–	public void testRunAfterEither_normalCompletion3() {
2654	–	for (ExecutionMode m : ExecutionMode.values())
2655	–	for (Integer v1 : new Integer[] { 1, null })
2656	–	for (Integer v2 : new Integer[] { 2, null }) {
2657	–
2658	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2659	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2660	–	final Noop r = new Noop();
2661	–
2662	–	f.complete(v1);
2670		g.complete(v2);
2664	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2671
2672	<	checkCompletedNormally(h, null);
2672	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2673	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2674	>
2675		checkCompletedNormally(f, v1);
2676		checkCompletedNormally(g, v2);
2677	<	assertEquals(1, r.invocationCount);
2678	<	}
2679	<	}
2677	>	checkCompletedNormally(h0, null);
2678	>	checkCompletedNormally(h1, null);
2679	>	checkCompletedNormally(h2, null);
2680	>	checkCompletedNormally(h3, null);
2681	>	checkCompletedNormally(h4, null);
2682	>	checkCompletedNormally(h5, null);
2683	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2684	>	}}
2685
2686		/**
2687		* runAfterEither result completes exceptionally after exceptional
2688		* completion of either source
2689		*/
2690	<	public void testRunAfterEither_exceptionalCompletion1() {
2690	>	public void testRunAfterEither_exceptionalCompletion() {
2691		for (ExecutionMode m : ExecutionMode.values())
2692	<	for (Integer v1 : new Integer[] { 1, null }) {
2693	<
2692	>	for (Integer v1 : new Integer[] { 1, null })
2693	>	{
2694		final CompletableFuture<Integer> f = new CompletableFuture<>();
2695		final CompletableFuture<Integer> g = new CompletableFuture<>();
2683	–	final Noop r = new Noop();
2684	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2696		final CFException ex = new CFException();
2697	+	final Noop[] rs = new Noop[6];
2698	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2699
2700	<	f.completeExceptionally(ex);
2701	<	checkCompletedWithWrappedCFException(h, ex);
2702	<	g.complete(v1);
2700	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2701	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2702	>	checkIncomplete(h0);
2703	>	checkIncomplete(h1);
2704	>	rs[0].assertNotInvoked();
2705	>	rs[1].assertNotInvoked();
2706	>	assertTrue(f.completeExceptionally(ex));
2707	>	checkCompletedWithWrappedException(h0, ex);
2708	>	checkCompletedWithWrappedException(h1, ex);
2709	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2710	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2711	>	checkCompletedWithWrappedException(h2, ex);
2712	>	checkCompletedWithWrappedException(h3, ex);
2713	>
2714	>	assertTrue(g.complete(v1));
2715	>
2716	>	// unspecified behavior - both source completions available
2717	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2718	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2719	>	try {
2720	>	assertNull(h4.join());
2721	>	rs[4].assertInvoked();
2722	>	} catch (CompletionException ok) {
2723	>	checkCompletedWithWrappedException(h4, ex);
2724	>	rs[4].assertNotInvoked();
2725	>	}
2726	>	try {
2727	>	assertNull(h5.join());
2728	>	rs[5].assertInvoked();
2729	>	} catch (CompletionException ok) {
2730	>	checkCompletedWithWrappedException(h5, ex);
2731	>	rs[5].assertNotInvoked();
2732	>	}
2733
2734	<	assertEquals(0, r.invocationCount);
2734	>	checkCompletedExceptionally(f, ex);
2735		checkCompletedNormally(g, v1);
2736	<	checkCompletedWithWrappedCFException(f, ex);
2737	<	checkCompletedWithWrappedCFException(h, ex);
2738	<	}
2739	<	}
2736	>	checkCompletedWithWrappedException(h0, ex);
2737	>	checkCompletedWithWrappedException(h1, ex);
2738	>	checkCompletedWithWrappedException(h2, ex);
2739	>	checkCompletedWithWrappedException(h3, ex);
2740	>	checkCompletedWithWrappedException(h4, ex);
2741	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2742	>	}}
2743
2744		public void testRunAfterEither_exceptionalCompletion2() {
2745		for (ExecutionMode m : ExecutionMode.values())
2746	<	for (Integer v1 : new Integer[] { 1, null }) {
2747	<
2748	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2703	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2704	<	final Noop r = new Noop();
2705	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2706	<	final CFException ex = new CFException();
2707	<
2708	<	g.completeExceptionally(ex);
2709	<	checkCompletedWithWrappedCFException(h, ex);
2710	<	f.complete(v1);
2711	<
2712	<	assertEquals(0, r.invocationCount);
2713	<	checkCompletedNormally(f, v1);
2714	<	checkCompletedWithWrappedCFException(g, ex);
2715	<	checkCompletedWithWrappedCFException(h, ex);
2716	<	}
2717	<	}
2718	<
2719	<	public void testRunAfterEither_exceptionalCompletion3() {
2720	<	for (ExecutionMode m : ExecutionMode.values())
2721	<	for (Integer v1 : new Integer[] { 1, null }) {
2722	<
2746	>	for (boolean fFirst : new boolean[] { true, false })
2747	>	for (Integer v1 : new Integer[] { 1, null })
2748	>	{
2749		final CompletableFuture<Integer> f = new CompletableFuture<>();
2750		final CompletableFuture<Integer> g = new CompletableFuture<>();
2725	–	final Noop r = new Noop();
2751		final CFException ex = new CFException();
2752	+	final Noop[] rs = new Noop[6];
2753	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2754
2755	<	g.completeExceptionally(ex);
2756	<	f.complete(v1);
2757	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2755	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2756	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2757	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2758	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2759	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2760	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2761
2762	<	// unspecified behavior
2733	<	Integer v;
2762	>	// unspecified behavior - both source completions available
2763		try {
2764	<	assertNull(h.join());
2765	<	assertEquals(1, r.invocationCount);
2764	>	assertEquals(null, h0.join());
2765	>	rs[0].assertInvoked();
2766		} catch (CompletionException ok) {
2767	<	checkCompletedWithWrappedCFException(h, ex);
2768	<	assertEquals(0, r.invocationCount);
2740	<	}
2741	<
2742	<	checkCompletedWithWrappedCFException(g, ex);
2743	<	checkCompletedNormally(f, v1);
2767	>	checkCompletedWithWrappedException(h0, ex);
2768	>	rs[0].assertNotInvoked();
2769		}
2745	–	}
2746	–
2747	–	public void testRunAfterEither_exceptionalCompletion4() {
2748	–	for (ExecutionMode m : ExecutionMode.values())
2749	–	for (Integer v1 : new Integer[] { 1, null }) {
2750	–
2751	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2752	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2753	–	final Noop r = new Noop();
2754	–	final CFException ex = new CFException();
2755	–
2756	–	f.completeExceptionally(ex);
2757	–	g.complete(v1);
2758	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2759	–
2760	–	// unspecified behavior
2761	–	Integer v;
2770		try {
2771	<	assertNull(h.join());
2772	<	assertEquals(1, r.invocationCount);
2771	>	assertEquals(null, h1.join());
2772	>	rs[1].assertInvoked();
2773		} catch (CompletionException ok) {
2774	<	checkCompletedWithWrappedCFException(h, ex);
2775	<	assertEquals(0, r.invocationCount);
2774	>	checkCompletedWithWrappedException(h1, ex);
2775	>	rs[1].assertNotInvoked();
2776		}
2777	<
2778	<	checkCompletedWithWrappedCFException(f, ex);
2779	<	checkCompletedNormally(g, v1);
2777	>	try {
2778	>	assertEquals(null, h2.join());
2779	>	rs[2].assertInvoked();
2780	>	} catch (CompletionException ok) {
2781	>	checkCompletedWithWrappedException(h2, ex);
2782	>	rs[2].assertNotInvoked();
2783		}
2784	<	}
2785	<
2786	<	/**
2787	<	* runAfterEither result completes exceptionally if action does
2788	<	*/
2789	<	public void testRunAfterEither_actionFailed1() {
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);
2787	<
2788	<	f.complete(v1);
2789	<	checkCompletedWithWrappedCFException(h);
2790	<	g.complete(v2);
2791	<	checkCompletedNormally(f, v1);
2792	<	checkCompletedNormally(g, v2);
2784	>	try {
2785	>	assertEquals(null, h3.join());
2786	>	rs[3].assertInvoked();
2787	>	} catch (CompletionException ok) {
2788	>	checkCompletedWithWrappedException(h3, ex);
2789	>	rs[3].assertNotInvoked();
2790		}
2794	–	}
2795	–
2796	–	public void testRunAfterEither_actionFailed2() {
2797	–	for (ExecutionMode m : ExecutionMode.values())
2798	–	for (Integer v1 : new Integer[] { 1, null })
2799	–	for (Integer v2 : new Integer[] { 2, null }) {
2791
2801	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2802	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2803	–	final FailingNoop r = new FailingNoop();
2804	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2805	–
2806	–	g.complete(v2);
2807	–	checkCompletedWithWrappedCFException(h);
2808	–	f.complete(v1);
2792		checkCompletedNormally(f, v1);
2793	<	checkCompletedNormally(g, v2);
2794	<	}
2812	<	}
2793	>	checkCompletedExceptionally(g, ex);
2794	>	}}
2795
2796		/**
2797		* runAfterEither result completes exceptionally if either source cancelled
2798		*/
2799	<	public void testRunAfterEither_sourceCancelled1() {
2818	<	for (ExecutionMode m : ExecutionMode.values())
2819	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2820	<	for (Integer v1 : new Integer[] { 1, null }) {
2821	<
2822	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2823	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2824	<	final Noop r = new Noop();
2825	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2826	<
2827	<	assertTrue(f.cancel(mayInterruptIfRunning));
2828	<	checkCompletedWithWrappedCancellationException(h);
2829	<	g.complete(v1);
2830	<
2831	<	checkCancelled(f);
2832	<	assertEquals(0, r.invocationCount);
2833	<	checkCompletedNormally(g, v1);
2834	<	checkCompletedWithWrappedCancellationException(h);
2835	<	}
2836	<	}
2837	<
2838	<	public void testRunAfterEither_sourceCancelled2() {
2799	>	public void testRunAfterEither_sourceCancelled() {
2800		for (ExecutionMode m : ExecutionMode.values())
2801		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2802	<	for (Integer v1 : new Integer[] { 1, null }) {
2803	<
2843	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2844	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2845	<	final Noop r = new Noop();
2846	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2847	<
2848	<	assertTrue(g.cancel(mayInterruptIfRunning));
2849	<	checkCompletedWithWrappedCancellationException(h);
2850	<	f.complete(v1);
2851	<
2852	<	checkCancelled(g);
2853	<	assertEquals(0, r.invocationCount);
2854	<	checkCompletedNormally(f, v1);
2855	<	checkCompletedWithWrappedCancellationException(h);
2856	<	}
2857	<	}
2858	<
2859	<	public void testRunAfterEither_sourceCancelled3() {
2860	<	for (ExecutionMode m : ExecutionMode.values())
2861	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2862	<	for (Integer v1 : new Integer[] { 1, null }) {
2863	<
2802	>	for (Integer v1 : new Integer[] { 1, null })
2803	>	{
2804		final CompletableFuture<Integer> f = new CompletableFuture<>();
2805		final CompletableFuture<Integer> g = new CompletableFuture<>();
2806	<	final Noop r = new Noop();
2807	<
2868	<	assertTrue(g.cancel(mayInterruptIfRunning));
2869	<	f.complete(v1);
2870	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2806	>	final Noop[] rs = new Noop[6];
2807	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2808
2809	<	// unspecified behavior
2810	<	Integer v;
2809	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2810	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2811	>	checkIncomplete(h0);
2812	>	checkIncomplete(h1);
2813	>	rs[0].assertNotInvoked();
2814	>	rs[1].assertNotInvoked();
2815	>	f.cancel(mayInterruptIfRunning);
2816	>	checkCompletedWithWrappedCancellationException(h0);
2817	>	checkCompletedWithWrappedCancellationException(h1);
2818	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2819	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2820	>	checkCompletedWithWrappedCancellationException(h2);
2821	>	checkCompletedWithWrappedCancellationException(h3);
2822	>
2823	>	assertTrue(g.complete(v1));
2824	>
2825	>	// unspecified behavior - both source completions available
2826	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2827	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2828		try {
2829	<	assertNull(h.join());
2830	<	assertEquals(1, r.invocationCount);
2829	>	assertNull(h4.join());
2830	>	rs[4].assertInvoked();
2831		} catch (CompletionException ok) {
2832	<	checkCompletedWithWrappedCancellationException(h);
2833	<	assertEquals(0, r.invocationCount);
2832	>	checkCompletedWithWrappedCancellationException(h4);
2833	>	rs[4].assertNotInvoked();
2834		}
2881	–
2882	–	checkCancelled(g);
2883	–	checkCompletedNormally(f, v1);
2884	–	}
2885	–	}
2886	–
2887	–	public void testRunAfterEither_sourceCancelled4() {
2888	–	for (ExecutionMode m : ExecutionMode.values())
2889	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2890	–	for (Integer v1 : new Integer[] { 1, null }) {
2891	–
2892	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2893	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2894	–	final Noop r = new Noop();
2895	–
2896	–	assertTrue(f.cancel(mayInterruptIfRunning));
2897	–	g.complete(v1);
2898	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2899	–
2900	–	// unspecified behavior
2901	–	Integer v;
2835		try {
2836	<	assertNull(h.join());
2837	<	assertEquals(1, r.invocationCount);
2836	>	assertNull(h5.join());
2837	>	rs[5].assertInvoked();
2838		} catch (CompletionException ok) {
2839	<	checkCompletedWithWrappedCancellationException(h);
2840	<	assertEquals(0, r.invocationCount);
2839	>	checkCompletedWithWrappedCancellationException(h5);
2840	>	rs[5].assertNotInvoked();
2841		}
2842
2843		checkCancelled(f);
2844		checkCompletedNormally(g, v1);
2845	<	}
2846	<	}
2845	>	checkCompletedWithWrappedCancellationException(h0);
2846	>	checkCompletedWithWrappedCancellationException(h1);
2847	>	checkCompletedWithWrappedCancellationException(h2);
2848	>	checkCompletedWithWrappedCancellationException(h3);
2849	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2850	>	}}
2851
2852		/**
2853	<	* thenCompose result completes normally after normal completion of source
2853	>	* runAfterEither result completes exceptionally if action does
2854		*/
2855	<	public void testThenCompose_normalCompletion1() {
2855	>	public void testRunAfterEither_actionFailed() {
2856		for (ExecutionMode m : ExecutionMode.values())
2857	<	for (Integer v1 : new Integer[] { 1, null }) {
2858	<
2857	>	for (Integer v1 : new Integer[] { 1, null })
2858	>	for (Integer v2 : new Integer[] { 2, null })
2859	>	{
2860		final CompletableFuture<Integer> f = new CompletableFuture<>();
2861	<	final CompletableFutureInc r = new CompletableFutureInc();
2862	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2863	<	f.complete(v1);
2864	<	checkCompletedNormally(g, inc(v1));
2861	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2862	>	final FailingRunnable[] rs = new FailingRunnable[6];
2863	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2864	>
2865	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2866	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2867	>	assertTrue(f.complete(v1));
2868	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2869	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2870	>	checkCompletedWithWrappedCFException(h0);
2871	>	checkCompletedWithWrappedCFException(h1);
2872	>	checkCompletedWithWrappedCFException(h2);
2873	>	checkCompletedWithWrappedCFException(h3);
2874	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2875	>	assertTrue(g.complete(v2));
2876	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2877	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2878	>	checkCompletedWithWrappedCFException(h4);
2879	>	checkCompletedWithWrappedCFException(h5);
2880	>
2881		checkCompletedNormally(f, v1);
2882	<	assertEquals(1, r.invocationCount);
2883	<	}
2884	<	}
2882	>	checkCompletedNormally(g, v2);
2883	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2884	>	}}
2885
2886	<	public void testThenCompose_normalCompletion2() {
2886	>	/**
2887	>	* thenCompose result completes normally after normal completion of source
2888	>	*/
2889	>	public void testThenCompose_normalCompletion() {
2890		for (ExecutionMode m : ExecutionMode.values())
2891	<	for (Integer v1 : new Integer[] { 1, null }) {
2892	<
2891	>	for (boolean createIncomplete : new boolean[] { true, false })
2892	>	for (Integer v1 : new Integer[] { 1, null })
2893	>	{
2894		final CompletableFuture<Integer> f = new CompletableFuture<>();
2895	<	final CompletableFutureInc r = new CompletableFutureInc();
2896	<	f.complete(v1);
2897	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2895	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2896	>	if (!createIncomplete) assertTrue(f.complete(v1));
2897	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2898	>	if (createIncomplete) assertTrue(f.complete(v1));
2899	>
2900		checkCompletedNormally(g, inc(v1));
2901		checkCompletedNormally(f, v1);
2902	<	assertEquals(1, r.invocationCount);
2903	<	}
2944	<	}
2902	>	r.assertValue(v1);
2903	>	}}
2904
2905		/**
2906		* thenCompose result completes exceptionally after exceptional
2907		* completion of source
2908		*/
2909	<	public void testThenCompose_exceptionalCompletion1() {
2910	<	for (ExecutionMode m : ExecutionMode.values()) {
2911	<
2909	>	public void testThenCompose_exceptionalCompletion() {
2910	>	for (ExecutionMode m : ExecutionMode.values())
2911	>	for (boolean createIncomplete : new boolean[] { true, false })
2912	>	{
2913		final CFException ex = new CFException();
2914	<	final CompletableFutureInc r = new CompletableFutureInc();
2914	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2915		final CompletableFuture<Integer> f = new CompletableFuture<>();
2916	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2917	<	f.completeExceptionally(ex);
2918	<	checkCompletedWithWrappedCFException(g, ex);
2959	<	checkCompletedWithWrappedCFException(f, ex);
2960	<	}
2961	<	}
2962	<
2963	<	public void testThenCompose_exceptionalCompletion2() {
2964	<	for (ExecutionMode m : ExecutionMode.values()) {
2916	>	if (!createIncomplete) f.completeExceptionally(ex);
2917	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2918	>	if (createIncomplete) f.completeExceptionally(ex);
2919
2920	<	final CFException ex = new CFException();
2921	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2922	<	f.completeExceptionally(ex);
2923	<	final CompletableFutureInc r = new CompletableFutureInc();
2970	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2971	<	checkCompletedWithWrappedCFException(g, ex);
2972	<	checkCompletedWithWrappedCFException(f, ex);
2973	<	}
2974	<	}
2920	>	checkCompletedWithWrappedException(g, ex);
2921	>	checkCompletedExceptionally(f, ex);
2922	>	r.assertNotInvoked();
2923	>	}}
2924
2925		/**
2926		* thenCompose result completes exceptionally if action does
2927		*/
2928	<	public void testThenCompose_actionFailed1() {
2928	>	public void testThenCompose_actionFailed() {
2929		for (ExecutionMode m : ExecutionMode.values())
2930	<	for (Integer v1 : new Integer[] { 1, null }) {
2931	<
2930	>	for (boolean createIncomplete : new boolean[] { true, false })
2931	>	for (Integer v1 : new Integer[] { 1, null })
2932	>	{
2933		final CompletableFuture<Integer> f = new CompletableFuture<>();
2934		final FailingCompletableFutureFunction r
2935	<	= new FailingCompletableFutureFunction();
2936	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2937	<	f.complete(v1);
2938	<	checkCompletedWithWrappedCFException(g);
2989	<	checkCompletedNormally(f, v1);
2990	<	}
2991	<	}
2935	>	= new FailingCompletableFutureFunction(m);
2936	>	if (!createIncomplete) assertTrue(f.complete(v1));
2937	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2938	>	if (createIncomplete) assertTrue(f.complete(v1));
2939
2993	–	public void testThenCompose_actionFailed2() {
2994	–	for (ExecutionMode m : ExecutionMode.values())
2995	–	for (Integer v1 : new Integer[] { 1, null }) {
2996	–
2997	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2998	–	f.complete(v1);
2999	–	final FailingCompletableFutureFunction r
3000	–	= new FailingCompletableFutureFunction();
3001	–	final CompletableFuture<Integer> g = f.thenCompose(r);
2940		checkCompletedWithWrappedCFException(g);
2941		checkCompletedNormally(f, v1);
2942	<	}
3005	<	}
2942	>	}}
2943
2944		/**
2945		* thenCompose result completes exceptionally if source cancelled
2946		*/
2947	<	public void testThenCompose_sourceCancelled1() {
2947	>	public void testThenCompose_sourceCancelled() {
2948		for (ExecutionMode m : ExecutionMode.values())
2949	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
2950	<
2949	>	for (boolean createIncomplete : new boolean[] { true, false })
2950	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2951	>	{
2952		final CompletableFuture<Integer> f = new CompletableFuture<>();
2953	<	final CompletableFutureInc r = new CompletableFutureInc();
2954	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2955	<	assertTrue(f.cancel(mayInterruptIfRunning));
2956	<	checkCompletedWithWrappedCancellationException(g);
2957	<	checkCancelled(f);
2953	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2954	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2955	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2956	>	if (createIncomplete) {
2957	>	checkIncomplete(g);
2958	>	assertTrue(f.cancel(mayInterruptIfRunning));
2959		}
3021	–	}
3022	–
3023	–	public void testThenCompose_sourceCancelled2() {
3024	–	for (ExecutionMode m : ExecutionMode.values())
3025	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
2960
3027	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
3028	–	assertTrue(f.cancel(mayInterruptIfRunning));
3029	–	final CompletableFutureInc r = new CompletableFutureInc();
3030	–	final CompletableFuture<Integer> g = f.thenCompose(r);
2961		checkCompletedWithWrappedCancellationException(g);
2962		checkCancelled(f);
2963	<	}
3034	<	}
3035	<
3036	<	// asyncs
3037	<
3038	<	/**
3039	<	* thenRunAsync result completes normally after normal completion of source
3040	<	*/
3041	<	public void testThenRunAsync() {
3042	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3043	<	Noop r = new Noop();
3044	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3045	<	f.complete(null);
3046	<	checkCompletedNormally(g, null);
3047	<
3048	<	// reordered version
3049	<	f = new CompletableFuture<>();
3050	<	f.complete(null);
3051	<	r = new Noop();
3052	<	g = f.thenRunAsync(r);
3053	<	checkCompletedNormally(g, null);
3054	<	}
3055	<
3056	<	/**
3057	<	* thenRunAsync result completes exceptionally after exceptional
3058	<	* completion of source
3059	<	*/
3060	<	public void testThenRunAsync2() {
3061	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3062	<	Noop r = new Noop();
3063	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3064	<	f.completeExceptionally(new CFException());
3065	<	try {
3066	<	g.join();
3067	<	shouldThrow();
3068	<	} catch (CompletionException success) {}
3069	<	checkCompletedWithWrappedCFException(g);
3070	<	}
3071	<
3072	<	/**
3073	<	* thenRunAsync result completes exceptionally if action does
3074	<	*/
3075	<	public void testThenRunAsync3() {
3076	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3077	<	FailingNoop r = new FailingNoop();
3078	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3079	<	f.complete(null);
3080	<	checkCompletedWithWrappedCFException(g);
3081	<	}
3082	<
3083	<	/**
3084	<	* thenRunAsync result completes exceptionally if source cancelled
3085	<	*/
3086	<	public void testThenRunAsync4() {
3087	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3088	<	Noop r = new Noop();
3089	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3090	<	assertTrue(f.cancel(true));
3091	<	checkCompletedWithWrappedCancellationException(g);
3092	<	}
3093	<
3094	<	/**
3095	<	* thenApplyAsync result completes normally after normal completion of source
3096	<	*/
3097	<	public void testThenApplyAsync() {
3098	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3099	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3100	<	f.complete(one);
3101	<	checkCompletedNormally(g, two);
3102	<	}
3103	<
3104	<	/**
3105	<	* thenApplyAsync result completes exceptionally after exceptional
3106	<	* completion of source
3107	<	*/
3108	<	public void testThenApplyAsync2() {
3109	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3110	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3111	<	f.completeExceptionally(new CFException());
3112	<	checkCompletedWithWrappedCFException(g);
3113	<	}
3114	<
3115	<	/**
3116	<	* thenApplyAsync result completes exceptionally if action does
3117	<	*/
3118	<	public void testThenApplyAsync3() {
3119	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3120	<	FailingFunction r = new FailingFunction();
3121	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
3122	<	f.complete(null);
3123	<	checkCompletedWithWrappedCFException(g);
3124	<	}
3125	<
3126	<	/**
3127	<	* thenApplyAsync result completes exceptionally if source cancelled
3128	<	*/
3129	<	public void testThenApplyAsync4() {
3130	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3131	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3132	<	assertTrue(f.cancel(true));
3133	<	checkCompletedWithWrappedCancellationException(g);
3134	<	}
3135	<
3136	<	/**
3137	<	* thenAcceptAsync result completes normally after normal
3138	<	* completion of source
3139	<	*/
3140	<	public void testThenAcceptAsync() {
3141	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3142	<	IncAction r = new IncAction();
3143	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3144	<	f.complete(one);
3145	<	checkCompletedNormally(g, null);
3146	<	assertEquals(r.value, (Integer) 2);
3147	<	}
3148	<
3149	<	/**
3150	<	* thenAcceptAsync result completes exceptionally after exceptional
3151	<	* completion of source
3152	<	*/
3153	<	public void testThenAcceptAsync2() {
3154	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3155	<	IncAction r = new IncAction();
3156	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3157	<	f.completeExceptionally(new CFException());
3158	<	checkCompletedWithWrappedCFException(g);
3159	<	}
3160	<
3161	<	/**
3162	<	* thenAcceptAsync result completes exceptionally if action does
3163	<	*/
3164	<	public void testThenAcceptAsync3() {
3165	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3166	<	FailingConsumer r = new FailingConsumer();
3167	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3168	<	f.complete(null);
3169	<	checkCompletedWithWrappedCFException(g);
3170	<	}
3171	<
3172	<	/**
3173	<	* thenAcceptAsync result completes exceptionally if source cancelled
3174	<	*/
3175	<	public void testThenAcceptAsync4() {
3176	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3177	<	IncAction r = new IncAction();
3178	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3179	<	assertTrue(f.cancel(true));
3180	<	checkCompletedWithWrappedCancellationException(g);
3181	<	}
3182	<
3183	<	// async with explicit executors
3184	<
3185	<	/**
3186	<	* thenRunAsync result completes normally after normal completion of source
3187	<	*/
3188	<	public void testThenRunAsyncE() {
3189	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3190	<	Noop r = new Noop();
3191	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3192	<	f.complete(null);
3193	<	checkCompletedNormally(g, null);
3194	<
3195	<	// reordered version
3196	<	f = new CompletableFuture<>();
3197	<	f.complete(null);
3198	<	r = new Noop();
3199	<	g = f.thenRunAsync(r, new ThreadExecutor());
3200	<	checkCompletedNormally(g, null);
3201	<	}
3202	<
3203	<	/**
3204	<	* thenRunAsync result completes exceptionally after exceptional
3205	<	* completion of source
3206	<	*/
3207	<	public void testThenRunAsync2E() {
3208	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3209	<	Noop r = new Noop();
3210	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3211	<	f.completeExceptionally(new CFException());
3212	<	try {
3213	<	g.join();
3214	<	shouldThrow();
3215	<	} catch (CompletionException success) {}
3216	<	checkCompletedWithWrappedCFException(g);
3217	<	}
3218	<
3219	<	/**
3220	<	* thenRunAsync result completes exceptionally if action does
3221	<	*/
3222	<	public void testThenRunAsync3E() {
3223	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3224	<	FailingNoop r = new FailingNoop();
3225	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3226	<	f.complete(null);
3227	<	checkCompletedWithWrappedCFException(g);
3228	<	}
3229	<
3230	<	/**
3231	<	* thenRunAsync result completes exceptionally if source cancelled
3232	<	*/
3233	<	public void testThenRunAsync4E() {
3234	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3235	<	Noop r = new Noop();
3236	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3237	<	assertTrue(f.cancel(true));
3238	<	checkCompletedWithWrappedCancellationException(g);
3239	<	}
3240	<
3241	<	/**
3242	<	* thenApplyAsync result completes normally after normal completion of source
3243	<	*/
3244	<	public void testThenApplyAsyncE() {
3245	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3246	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3247	<	f.complete(one);
3248	<	checkCompletedNormally(g, two);
3249	<	}
3250	<
3251	<	/**
3252	<	* thenApplyAsync result completes exceptionally after exceptional
3253	<	* completion of source
3254	<	*/
3255	<	public void testThenApplyAsync2E() {
3256	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3257	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3258	<	f.completeExceptionally(new CFException());
3259	<	checkCompletedWithWrappedCFException(g);
3260	<	}
3261	<
3262	<	/**
3263	<	* thenApplyAsync result completes exceptionally if action does
3264	<	*/
3265	<	public void testThenApplyAsync3E() {
3266	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3267	<	FailingFunction r = new FailingFunction();
3268	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3269	<	f.complete(null);
3270	<	checkCompletedWithWrappedCFException(g);
3271	<	}
3272	<
3273	<	/**
3274	<	* thenApplyAsync result completes exceptionally if source cancelled
3275	<	*/
3276	<	public void testThenApplyAsync4E() {
3277	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3278	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3279	<	assertTrue(f.cancel(true));
3280	<	checkCompletedWithWrappedCancellationException(g);
3281	<	}
3282	<
3283	<	/**
3284	<	* thenAcceptAsync result completes normally after normal
3285	<	* completion of source
3286	<	*/
3287	<	public void testThenAcceptAsyncE() {
3288	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3289	<	IncAction r = new IncAction();
3290	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3291	<	f.complete(one);
3292	<	checkCompletedNormally(g, null);
3293	<	assertEquals(r.value, (Integer) 2);
3294	<	}
3295	<
3296	<	/**
3297	<	* thenAcceptAsync result completes exceptionally after exceptional
3298	<	* completion of source
3299	<	*/
3300	<	public void testThenAcceptAsync2E() {
3301	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3302	<	IncAction r = new IncAction();
3303	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3304	<	f.completeExceptionally(new CFException());
3305	<	checkCompletedWithWrappedCFException(g);
3306	<	}
2963	>	}}
2964
2965		/**
2966	<	* thenAcceptAsync result completes exceptionally if action does
2966	>	* thenCompose result completes exceptionally if the result of the action does
2967		*/
2968	<	public void testThenAcceptAsync3E() {
2969	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2970	<	FailingConsumer r = new FailingConsumer();
2971	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2972	<	f.complete(null);
2973	<	checkCompletedWithWrappedCFException(g);
2974	<	}
2968	>	public void testThenCompose_actionReturnsFailingFuture() {
2969	>	for (ExecutionMode m : ExecutionMode.values())
2970	>	for (int order = 0; order < 6; order++)
2971	>	for (Integer v1 : new Integer[] { 1, null })
2972	>	{
2973	>	final CFException ex = new CFException();
2974	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2975	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2976	>	final CompletableFuture<Integer> h;
2977	>	// Test all permutations of orders
2978	>	switch (order) {
2979	>	case 0:
2980	>	assertTrue(f.complete(v1));
2981	>	assertTrue(g.completeExceptionally(ex));
2982	>	h = m.thenCompose(f, (x -> g));
2983	>	break;
2984	>	case 1:
2985	>	assertTrue(f.complete(v1));
2986	>	h = m.thenCompose(f, (x -> g));
2987	>	assertTrue(g.completeExceptionally(ex));
2988	>	break;
2989	>	case 2:
2990	>	assertTrue(g.completeExceptionally(ex));
2991	>	assertTrue(f.complete(v1));
2992	>	h = m.thenCompose(f, (x -> g));
2993	>	break;
2994	>	case 3:
2995	>	assertTrue(g.completeExceptionally(ex));
2996	>	h = m.thenCompose(f, (x -> g));
2997	>	assertTrue(f.complete(v1));
2998	>	break;
2999	>	case 4:
3000	>	h = m.thenCompose(f, (x -> g));
3001	>	assertTrue(f.complete(v1));
3002	>	assertTrue(g.completeExceptionally(ex));
3003	>	break;
3004	>	case 5:
3005	>	h = m.thenCompose(f, (x -> g));
3006	>	assertTrue(f.complete(v1));
3007	>	assertTrue(g.completeExceptionally(ex));
3008	>	break;
3009	>	default: throw new AssertionError();
3010	>	}
3011
3012	<	/**
3013	<	* thenAcceptAsync result completes exceptionally if source cancelled
3014	<	*/
3015	<	public void testThenAcceptAsync4E() {
3323	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3324	<	IncAction r = new IncAction();
3325	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3326	<	assertTrue(f.cancel(true));
3327	<	checkCompletedWithWrappedCancellationException(g);
3328	<	}
3012	>	checkCompletedExceptionally(g, ex);
3013	>	checkCompletedWithWrappedException(h, ex);
3014	>	checkCompletedNormally(f, v1);
3015	>	}}
3016
3017		// other static methods
3018
#	Line 3343 | Line 3030 | public class CompletableFutureTest exten
3030		* when all components complete normally
3031		*/
3032		public void testAllOf_normal() throws Exception {
3033	<	for (int k = 1; k < 20; ++k) {
3034	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3035	<	for (int i = 0; i < k; ++i)
3033	>	for (int k = 1; k < 10; k++) {
3034	>	CompletableFuture<Integer>[] fs
3035	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3036	>	for (int i = 0; i < k; i++)
3037	>	fs[i] = new CompletableFuture<>();
3038	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3039	>	for (int i = 0; i < k; i++) {
3040	>	checkIncomplete(f);
3041	>	checkIncomplete(CompletableFuture.allOf(fs));
3042	>	fs[i].complete(one);
3043	>	}
3044	>	checkCompletedNormally(f, null);
3045	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3046	>	}
3047	>	}
3048	>
3049	>	public void testAllOf_backwards() throws Exception {
3050	>	for (int k = 1; k < 10; k++) {
3051	>	CompletableFuture<Integer>[] fs
3052	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3053	>	for (int i = 0; i < k; i++)
3054		fs[i] = new CompletableFuture<>();
3055		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3056	<	for (int i = 0; i < k; ++i) {
3056	>	for (int i = k - 1; i >= 0; i--) {
3057		checkIncomplete(f);
3058		checkIncomplete(CompletableFuture.allOf(fs));
3059		fs[i].complete(one);
#	Line 3358 | Line 3063 | public class CompletableFutureTest exten
3063		}
3064		}
3065
3066	+	public void testAllOf_exceptional() throws Exception {
3067	+	for (int k = 1; k < 10; k++) {
3068	+	CompletableFuture<Integer>[] fs
3069	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3070	+	CFException ex = new CFException();
3071	+	for (int i = 0; i < k; i++)
3072	+	fs[i] = new CompletableFuture<>();
3073	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3074	+	for (int i = 0; i < k; i++) {
3075	+	checkIncomplete(f);
3076	+	checkIncomplete(CompletableFuture.allOf(fs));
3077	+	if (i != k / 2) {
3078	+	fs[i].complete(i);
3079	+	checkCompletedNormally(fs[i], i);
3080	+	} else {
3081	+	fs[i].completeExceptionally(ex);
3082	+	checkCompletedExceptionally(fs[i], ex);
3083	+	}
3084	+	}
3085	+	checkCompletedWithWrappedException(f, ex);
3086	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3087	+	}
3088	+	}
3089	+
3090		/**
3091		* anyOf(no component futures) returns an incomplete future
3092		*/
3093		public void testAnyOf_empty() throws Exception {
3094	+	for (Integer v1 : new Integer[] { 1, null })
3095	+	{
3096		CompletableFuture<Object> f = CompletableFuture.anyOf();
3097		checkIncomplete(f);
3098	<	}
3098	>
3099	>	f.complete(v1);
3100	>	checkCompletedNormally(f, v1);
3101	>	}}
3102
3103		/**
3104		* anyOf returns a future completed normally with a value when
3105		* a component future does
3106		*/
3107		public void testAnyOf_normal() throws Exception {
3108	<	for (int k = 0; k < 10; ++k) {
3108	>	for (int k = 0; k < 10; k++) {
3109		CompletableFuture[] fs = new CompletableFuture[k];
3110	<	for (int i = 0; i < k; ++i)
3110	>	for (int i = 0; i < k; i++)
3111		fs[i] = new CompletableFuture<>();
3112		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3113		checkIncomplete(f);
3114	<	for (int i = 0; i < k; ++i) {
3115	<	fs[i].complete(one);
3116	<	checkCompletedNormally(f, one);
3117	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3114	>	for (int i = 0; i < k; i++) {
3115	>	fs[i].complete(i);
3116	>	checkCompletedNormally(f, 0);
3117	>	int x = (int) CompletableFuture.anyOf(fs).join();
3118	>	assertTrue(0 <= x && x <= i);
3119	>	}
3120	>	}
3121	>	}
3122	>	public void testAnyOf_normal_backwards() throws Exception {
3123	>	for (int k = 0; k < 10; k++) {
3124	>	CompletableFuture[] fs = new CompletableFuture[k];
3125	>	for (int i = 0; i < k; i++)
3126	>	fs[i] = new CompletableFuture<>();
3127	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3128	>	checkIncomplete(f);
3129	>	for (int i = k - 1; i >= 0; i--) {
3130	>	fs[i].complete(i);
3131	>	checkCompletedNormally(f, k - 1);
3132	>	int x = (int) CompletableFuture.anyOf(fs).join();
3133	>	assertTrue(i <= x && x <= k - 1);
3134		}
3135		}
3136		}
#	Line 3389 | Line 3139 | public class CompletableFutureTest exten
3139		* anyOf result completes exceptionally when any component does.
3140		*/
3141		public void testAnyOf_exceptional() throws Exception {
3142	<	for (int k = 0; k < 10; ++k) {
3142	>	for (int k = 0; k < 10; k++) {
3143		CompletableFuture[] fs = new CompletableFuture[k];
3144	<	for (int i = 0; i < k; ++i)
3144	>	CFException[] exs = new CFException[k];
3145	>	for (int i = 0; i < k; i++) {
3146		fs[i] = new CompletableFuture<>();
3147	+	exs[i] = new CFException();
3148	+	}
3149		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3150		checkIncomplete(f);
3151	<	for (int i = 0; i < k; ++i) {
3152	<	fs[i].completeExceptionally(new CFException());
3153	<	checkCompletedWithWrappedCFException(f);
3151	>	for (int i = 0; i < k; i++) {
3152	>	fs[i].completeExceptionally(exs[i]);
3153	>	checkCompletedWithWrappedException(f, exs[0]);
3154	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3155	>	}
3156	>	}
3157	>	}
3158	>
3159	>	public void testAnyOf_exceptional_backwards() throws Exception {
3160	>	for (int k = 0; k < 10; k++) {
3161	>	CompletableFuture[] fs = new CompletableFuture[k];
3162	>	CFException[] exs = new CFException[k];
3163	>	for (int i = 0; i < k; i++) {
3164	>	fs[i] = new CompletableFuture<>();
3165	>	exs[i] = new CFException();
3166	>	}
3167	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3168	>	checkIncomplete(f);
3169	>	for (int i = k - 1; i >= 0; i--) {
3170	>	fs[i].completeExceptionally(exs[i]);
3171	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3172		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3173		}
3174		}
#	Line 3410 | Line 3181 | public class CompletableFutureTest exten
3181		CompletableFuture<Integer> f = new CompletableFuture<>();
3182		CompletableFuture<Integer> g = new CompletableFuture<>();
3183		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3413	–	CompletableFuture<?> h;
3184		ThreadExecutor exec = new ThreadExecutor();
3185
3186		Runnable[] throwingActions = {
3187		() -> CompletableFuture.supplyAsync(null),
3188		() -> CompletableFuture.supplyAsync(null, exec),
3189	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3189	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3190
3191		() -> CompletableFuture.runAsync(null),
3192		() -> CompletableFuture.runAsync(null, exec),
#	Line 3489 | Line 3259 | public class CompletableFutureTest exten
3259
3260		() -> f.thenCompose(null),
3261		() -> f.thenComposeAsync(null),
3262	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3262	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3263		() -> f.thenComposeAsync(null, exec),
3264
3265		() -> f.exceptionally(null),
#	Line 3507 | Line 3277 | public class CompletableFutureTest exten
3277		() -> CompletableFuture.anyOf(null, f),
3278
3279		() -> f.obtrudeException(null),
3280	+
3281	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3282	+	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3283	+	() -> CompletableFuture.delayedExecutor(1L, null),
3284	+
3285	+	() -> f.orTimeout(1L, null),
3286	+	() -> f.completeOnTimeout(42, 1L, null),
3287	+
3288	+	() -> CompletableFuture.failedFuture(null),
3289	+	() -> CompletableFuture.failedStage(null),
3290		};
3291
3292		assertThrows(NullPointerException.class, throwingActions);
#	Line 3521 | Line 3301 | public class CompletableFutureTest exten
3301		assertSame(f, f.toCompletableFuture());
3302		}
3303
3304	+	// jdk9
3305	+
3306		/**
3307	<	* whenComplete action executes on normal completion, propagating
3526	<	* source result.
3307	>	* newIncompleteFuture returns an incomplete CompletableFuture
3308		*/
3309	<	public void testWhenComplete_normalCompletion1() {
3529	<	for (ExecutionMode m : ExecutionMode.values())
3530	<	for (boolean createIncomplete : new boolean[] { true, false })
3309	>	public void testNewIncompleteFuture() {
3310		for (Integer v1 : new Integer[] { 1, null })
3311		{
3312	<	final AtomicInteger a = new AtomicInteger(0);
3313	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3314	<	if (!createIncomplete) f.complete(v1);
3315	<	final CompletableFuture<Integer> g = m.whenComplete
3316	<	(f,
3538	<	(Integer x, Throwable t) -> {
3539	<	threadAssertSame(x, v1);
3540	<	threadAssertNull(t);
3541	<	a.getAndIncrement();
3542	<	});
3543	<	if (createIncomplete) f.complete(v1);
3544	<
3545	<	checkCompletedNormally(g, v1);
3312	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3313	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3314	>	checkIncomplete(f);
3315	>	checkIncomplete(g);
3316	>	f.complete(v1);
3317		checkCompletedNormally(f, v1);
3318	<	assertEquals(1, a.get());
3318	>	checkIncomplete(g);
3319	>	g.complete(v1);
3320	>	checkCompletedNormally(g, v1);
3321	>	assertSame(g.getClass(), CompletableFuture.class);
3322		}}
3323
3324		/**
3325	<	* whenComplete action executes on exceptional completion, propagating
3552	<	* source result.
3325	>	* completedStage returns a completed CompletionStage
3326		*/
3327	<	public void testWhenComplete_exceptionalCompletion() {
3328	<	for (ExecutionMode m : ExecutionMode.values())
3329	<	for (boolean createIncomplete : new boolean[] { true, false })
3327	>	public void testCompletedStage() {
3328	>	AtomicInteger x = new AtomicInteger(0);
3329	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3330	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3331	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3332	>	assertEquals(x.get(), 1);
3333	>	assertNull(r.get());
3334	>	}
3335	>
3336	>	/**
3337	>	* defaultExecutor by default returns the commonPool if
3338	>	* it supports more than one thread.
3339	>	*/
3340	>	public void testDefaultExecutor() {
3341	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3342	>	Executor e = f.defaultExecutor();
3343	>	Executor c = ForkJoinPool.commonPool();
3344	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3345	>	assertSame(e, c);
3346	>	else
3347	>	assertNotSame(e, c);
3348	>	}
3349	>
3350	>	/**
3351	>	* failedFuture returns a CompletableFuture completed
3352	>	* exceptionally with the given Exception
3353	>	*/
3354	>	public void testFailedFuture() {
3355	>	CFException ex = new CFException();
3356	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3357	>	checkCompletedExceptionally(f, ex);
3358	>	}
3359	>
3360	>	/**
3361	>	* failedFuture(null) throws NPE
3362	>	*/
3363	>	public void testFailedFuture_null() {
3364	>	try {
3365	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3366	>	shouldThrow();
3367	>	} catch (NullPointerException success) {}
3368	>	}
3369	>
3370	>	/**
3371	>	* copy returns a CompletableFuture that is completed normally,
3372	>	* with the same value, when source is.
3373	>	*/
3374	>	public void testCopy() {
3375	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3376	>	CompletableFuture<Integer> g = f.copy();
3377	>	checkIncomplete(f);
3378	>	checkIncomplete(g);
3379	>	f.complete(1);
3380	>	checkCompletedNormally(f, 1);
3381	>	checkCompletedNormally(g, 1);
3382	>	}
3383	>
3384	>	/**
3385	>	* copy returns a CompletableFuture that is completed exceptionally
3386	>	* when source is.
3387	>	*/
3388	>	public void testCopy2() {
3389	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3390	>	CompletableFuture<Integer> g = f.copy();
3391	>	checkIncomplete(f);
3392	>	checkIncomplete(g);
3393	>	CFException ex = new CFException();
3394	>	f.completeExceptionally(ex);
3395	>	checkCompletedExceptionally(f, ex);
3396	>	checkCompletedWithWrappedException(g, ex);
3397	>	}
3398	>
3399	>	/**
3400	>	* minimalCompletionStage returns a CompletableFuture that is
3401	>	* completed normally, with the same value, when source is.
3402	>	*/
3403	>	public void testMinimalCompletionStage() {
3404	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3405	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3406	>	AtomicInteger x = new AtomicInteger(0);
3407	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3408	>	checkIncomplete(f);
3409	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3410	>	f.complete(1);
3411	>	checkCompletedNormally(f, 1);
3412	>	assertEquals(x.get(), 1);
3413	>	assertNull(r.get());
3414	>	}
3415	>
3416	>	/**
3417	>	* minimalCompletionStage returns a CompletableFuture that is
3418	>	* completed exceptionally when source is.
3419	>	*/
3420	>	public void testMinimalCompletionStage2() {
3421	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3422	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3423	>	AtomicInteger x = new AtomicInteger(0);
3424	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3425	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3426	>	checkIncomplete(f);
3427	>	CFException ex = new CFException();
3428	>	f.completeExceptionally(ex);
3429	>	checkCompletedExceptionally(f, ex);
3430	>	assertEquals(x.get(), 0);
3431	>	assertEquals(r.get().getCause(), ex);
3432	>	}
3433	>
3434	>	/**
3435	>	* failedStage returns a CompletionStage completed
3436	>	* exceptionally with the given Exception
3437	>	*/
3438	>	public void testFailedStage() {
3439	>	CFException ex = new CFException();
3440	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3441	>	AtomicInteger x = new AtomicInteger(0);
3442	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3443	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3444	>	assertEquals(x.get(), 0);
3445	>	assertEquals(r.get(), ex);
3446	>	}
3447	>
3448	>	/**
3449	>	* completeAsync completes with value of given supplier
3450	>	*/
3451	>	public void testCompleteAsync() {
3452		for (Integer v1 : new Integer[] { 1, null })
3453		{
3454	<	final AtomicInteger a = new AtomicInteger(0);
3455	<	final CFException ex = new CFException();
3456	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3457	<	if (!createIncomplete) f.completeExceptionally(ex);
3563	<	final CompletableFuture<Integer> g = m.whenComplete
3564	<	(f,
3565	<	(Integer x, Throwable t) -> {
3566	<	threadAssertNull(x);
3567	<	threadAssertSame(t, ex);
3568	<	a.getAndIncrement();
3569	<	});
3570	<	if (createIncomplete) f.completeExceptionally(ex);
3571	<	checkCompletedWithWrappedCFException(f, ex);
3572	<	checkCompletedWithWrappedCFException(g, ex);
3573	<	assertEquals(1, a.get());
3454	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3455	>	f.completeAsync(() -> v1);
3456	>	f.join();
3457	>	checkCompletedNormally(f, v1);
3458		}}
3459
3460		/**
3461	<	* whenComplete action executes on cancelled source, propagating
3578	<	* CancellationException.
3461	>	* completeAsync completes exceptionally if given supplier throws
3462		*/
3463	<	public void testWhenComplete_sourceCancelled() {
3464	<	for (ExecutionMode m : ExecutionMode.values())
3465	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3466	<	for (boolean createIncomplete : new boolean[] { true, false })
3467	<	{
3468	<	final AtomicInteger a = new AtomicInteger(0);
3469	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3470	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3471	<	final CompletableFuture<Integer> g = m.whenComplete
3472	<	(f,
3590	<	(Integer x, Throwable t) -> {
3591	<	threadAssertNull(x);
3592	<	threadAssertTrue(t instanceof CancellationException);
3593	<	a.getAndIncrement();
3594	<	});
3595	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3463	>	public void testCompleteAsync2() {
3464	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3465	>	CFException ex = new CFException();
3466	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3467	>	try {
3468	>	f.join();
3469	>	shouldThrow();
3470	>	} catch (CompletionException success) {}
3471	>	checkCompletedWithWrappedException(f, ex);
3472	>	}
3473
3474	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3475	<	checkCompletedWithWrappedCancellationException(g);
3476	<	checkCancelled(f);
3477	<	assertEquals(1, a.get());
3474	>	/**
3475	>	* completeAsync with given executor completes with value of given supplier
3476	>	*/
3477	>	public void testCompleteAsync3() {
3478	>	for (Integer v1 : new Integer[] { 1, null })
3479	>	{
3480	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3481	>	ThreadExecutor executor = new ThreadExecutor();
3482	>	f.completeAsync(() -> v1, executor);
3483	>	assertSame(v1, f.join());
3484	>	checkCompletedNormally(f, v1);
3485	>	assertEquals(1, executor.count.get());
3486		}}
3487
3488		/**
3489	<	* If a whenComplete action throws an exception when triggered by
3490	<	* a normal completion, it completes exceptionally
3489	>	* completeAsync with given executor completes exceptionally if
3490	>	* given supplier throws
3491		*/
3492	<	public void testWhenComplete_actionFailed() {
3493	<	for (boolean createIncomplete : new boolean[] { true, false })
3494	<	for (ExecutionMode m : ExecutionMode.values())
3495	<	for (Integer v1 : new Integer[] { 1, null }) {
3492	>	public void testCompleteAsync4() {
3493	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3494	>	CFException ex = new CFException();
3495	>	ThreadExecutor executor = new ThreadExecutor();
3496	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3497	>	try {
3498	>	f.join();
3499	>	shouldThrow();
3500	>	} catch (CompletionException success) {}
3501	>	checkCompletedWithWrappedException(f, ex);
3502	>	assertEquals(1, executor.count.get());
3503	>	}
3504
3505	<	final AtomicInteger a = new AtomicInteger(0);
3506	<	final CFException ex = new CFException();
3507	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3508	<	if (!createIncomplete) f.complete(v1);
3509	<	final CompletableFuture<Integer> g = m.whenComplete
3510	<	(f,
3511	<	(Integer x, Throwable t) -> {
3512	<	threadAssertSame(x, v1);
3513	<	threadAssertNull(t);
3514	<	a.getAndIncrement();
3515	<	throw ex;
3516	<	});
3517	<	if (createIncomplete) f.complete(v1);
3505	>	/**
3506	>	* orTimeout completes with TimeoutException if not complete
3507	>	*/
3508	>	public void testOrTimeout_timesOut() {
3509	>	long timeoutMillis = timeoutMillis();
3510	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3511	>	long startTime = System.nanoTime();
3512	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3513	>	checkCompletedWithTimeoutException(f);
3514	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3515	>	}
3516	>
3517	>	/**
3518	>	* orTimeout completes normally if completed before timeout
3519	>	*/
3520	>	public void testOrTimeout_completed() {
3521	>	for (Integer v1 : new Integer[] { 1, null })
3522	>	{
3523	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3524	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3525	>	long startTime = System.nanoTime();
3526	>	f.complete(v1);
3527	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3528	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3529	>	g.complete(v1);
3530		checkCompletedNormally(f, v1);
3531	<	checkCompletedWithWrappedCFException(g, ex);
3532	<	assertEquals(1, a.get());
3533	<	}
3531	>	checkCompletedNormally(g, v1);
3532	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3533	>	}}
3534	>
3535	>	/**
3536	>	* completeOnTimeout completes with given value if not complete
3537	>	*/
3538	>	public void testCompleteOnTimeout_timesOut() {
3539	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3540	>	() -> testCompleteOnTimeout_timesOut(null));
3541	>	}
3542	>
3543	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3544	>	long timeoutMillis = timeoutMillis();
3545	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3546	>	long startTime = System.nanoTime();
3547	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3548	>	assertSame(v, f.join());
3549	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3550	>	f.complete(99);         // should have no effect
3551	>	checkCompletedNormally(f, v);
3552		}
3553
3554		/**
3555	<	* If a whenComplete action throws an exception when triggered by
3633	<	* a source completion that also throws an exception, the source
3634	<	* exception takes precedence.
3555	>	* completeOnTimeout has no effect if completed within timeout
3556		*/
3557	<	public void testWhenComplete_actionFailedSourceFailed() {
3558	<	for (boolean createIncomplete : new boolean[] { true, false })
3557	>	public void testCompleteOnTimeout_completed() {
3558	>	for (Integer v1 : new Integer[] { 1, null })
3559	>	{
3560	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3561	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3562	>	long startTime = System.nanoTime();
3563	>	f.complete(v1);
3564	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3565	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3566	>	g.complete(v1);
3567	>	checkCompletedNormally(f, v1);
3568	>	checkCompletedNormally(g, v1);
3569	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3570	>	}}
3571	>
3572	>	/**
3573	>	* delayedExecutor returns an executor that delays submission
3574	>	*/
3575	>	public void testDelayedExecutor() {
3576	>	testInParallel(() -> testDelayedExecutor(null, null),
3577	>	() -> testDelayedExecutor(null, 1),
3578	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3579	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3580	>	}
3581	>
3582	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3583	>	long timeoutMillis = timeoutMillis();
3584	>	// Use an "unreasonably long" long timeout to catch lingering threads
3585	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3586	>	final Executor delayer, longDelayer;
3587	>	if (executor == null) {
3588	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3589	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3590	>	} else {
3591	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3592	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3593	>	}
3594	>	long startTime = System.nanoTime();
3595	>	CompletableFuture<Integer> f =
3596	>	CompletableFuture.supplyAsync(() -> v, delayer);
3597	>	CompletableFuture<Integer> g =
3598	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3599	>
3600	>	assertNull(g.getNow(null));
3601	>
3602	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3603	>	long millisElapsed = millisElapsedSince(startTime);
3604	>	assertTrue(millisElapsed >= timeoutMillis);
3605	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3606	>
3607	>	checkCompletedNormally(f, v);
3608	>
3609	>	checkIncomplete(g);
3610	>	assertTrue(g.cancel(true));
3611	>	}
3612	>
3613	>	//--- tests of implementation details; not part of official tck ---
3614	>
3615	>	Object resultOf(CompletableFuture<?> f) {
3616	>	try {
3617	>	java.lang.reflect.Field resultField
3618	>	= CompletableFuture.class.getDeclaredField("result");
3619	>	resultField.setAccessible(true);
3620	>	return resultField.get(f);
3621	>	} catch (Throwable t) { throw new AssertionError(t); }
3622	>	}
3623	>
3624	>	public void testExceptionPropagationReusesResultObject() {
3625	>	if (!testImplementationDetails) return;
3626		for (ExecutionMode m : ExecutionMode.values())
3627	<	for (Integer v1 : new Integer[] { 1, null }) {
3627	>	{
3628	>	final CFException ex = new CFException();
3629	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3630	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3631
3632	<	final AtomicInteger a = new AtomicInteger(0);
3633	<	final CFException ex1 = new CFException();
3643	<	final CFException ex2 = new CFException();
3644	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3632	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3633	>	= new ArrayList<>();
3634
3635	<	if (!createIncomplete) f.completeExceptionally(ex1);
3636	<	final CompletableFuture<Integer> g = m.whenComplete
3637	<	(f,
3649	<	(Integer x, Throwable t) -> {
3650	<	threadAssertSame(t, ex1);
3651	<	threadAssertNull(x);
3652	<	a.getAndIncrement();
3653	<	throw ex2;
3654	<	});
3655	<	if (createIncomplete) f.completeExceptionally(ex1);
3635	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3636	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3637	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3638
3639	<	checkCompletedWithWrappedCFException(f, ex1);
3640	<	checkCompletedWithWrappedCFException(g, ex1);
3641	<	assertEquals(1, a.get());
3639	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3640	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3641	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3642	>
3643	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3644	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3645	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3646	>
3647	>	funs.add((y) -> m.whenComplete(y, (Integer x, Throwable t) -> {}));
3648	>
3649	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3650	>
3651	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3652	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3653	>
3654	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3655	>	fun : funs) {
3656	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3657	>	f.completeExceptionally(ex);
3658	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3659	>	checkCompletedWithWrappedException(src, ex);
3660	>	CompletableFuture<?> dep = fun.apply(src);
3661	>	checkCompletedWithWrappedException(dep, ex);
3662	>	assertSame(resultOf(src), resultOf(dep));
3663		}
3664	<	}
3664	>
3665	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3666	>	fun : funs) {
3667	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3668	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3669	>	CompletableFuture<?> dep = fun.apply(src);
3670	>	f.completeExceptionally(ex);
3671	>	checkCompletedWithWrappedException(src, ex);
3672	>	checkCompletedWithWrappedException(dep, ex);
3673	>	assertSame(resultOf(src), resultOf(dep));
3674	>	}
3675	>
3676	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3677	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3678	>	fun : funs) {
3679	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3680	>	f.cancel(mayInterruptIfRunning);
3681	>	checkCancelled(f);
3682	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3683	>	checkCompletedWithWrappedCancellationException(src);
3684	>	CompletableFuture<?> dep = fun.apply(src);
3685	>	checkCompletedWithWrappedCancellationException(dep);
3686	>	assertSame(resultOf(src), resultOf(dep));
3687	>	}
3688	>
3689	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3690	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3691	>	fun : funs) {
3692	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3693	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3694	>	CompletableFuture<?> dep = fun.apply(src);
3695	>	f.cancel(mayInterruptIfRunning);
3696	>	checkCancelled(f);
3697	>	checkCompletedWithWrappedCancellationException(src);
3698	>	checkCompletedWithWrappedCancellationException(dep);
3699	>	assertSame(resultOf(src), resultOf(dep));
3700	>	}
3701	>	}}
3702	>
3703	>	/**
3704	>	* Minimal completion stages throw UOE for all non-CompletionStage methods
3705	>	*/
3706	>	public void testMinimalCompletionStage_minimality() {
3707	>	if (!testImplementationDetails) return;
3708	>	Function<Method, String> toSignature =
3709	>	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3710	>	Predicate<Method> isNotStatic =
3711	>	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3712	>	List<Method> minimalMethods =
3713	>	Stream.of(Object.class, CompletionStage.class)
3714	>	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3715	>	.filter(isNotStatic)
3716	>	.collect(Collectors.toList());
3717	>	// Methods from CompletableFuture permitted NOT to throw UOE
3718	>	String[] signatureWhitelist = {
3719	>	"newIncompleteFuture[]",
3720	>	"defaultExecutor[]",
3721	>	"minimalCompletionStage[]",
3722	>	"copy[]",
3723	>	};
3724	>	Set<String> permittedMethodSignatures =
3725	>	Stream.concat(minimalMethods.stream().map(toSignature),
3726	>	Stream.of(signatureWhitelist))
3727	>	.collect(Collectors.toSet());
3728	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3729	>	.filter(isNotStatic)
3730	>	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3731	>	.collect(Collectors.toList());
3732	>
3733	>	CompletionStage<Integer> minimalStage =
3734	>	new CompletableFuture<Integer>().minimalCompletionStage();
3735	>
3736	>	List<Method> bugs = new ArrayList<>();
3737	>	for (Method method : allMethods) {
3738	>	Class<?>[] parameterTypes = method.getParameterTypes();
3739	>	Object[] args = new Object[parameterTypes.length];
3740	>	// Manufacture boxed primitives for primitive params
3741	>	for (int i = 0; i < args.length; i++) {
3742	>	Class<?> type = parameterTypes[i];
3743	>	if (parameterTypes[i] == boolean.class)
3744	>	args[i] = false;
3745	>	else if (parameterTypes[i] == int.class)
3746	>	args[i] = 0;
3747	>	else if (parameterTypes[i] == long.class)
3748	>	args[i] = 0L;
3749	>	}
3750	>	try {
3751	>	method.invoke(minimalStage, args);
3752	>	bugs.add(method);
3753	>	}
3754	>	catch (java.lang.reflect.InvocationTargetException expected) {
3755	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3756	>	bugs.add(method);
3757	>	// expected.getCause().printStackTrace();
3758	>	}
3759	>	}
3760	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3761	>	}
3762	>	if (!bugs.isEmpty())
3763	>	throw new Error("Methods did not throw UOE: " + bugs.toString());
3764	>	}
3765	>
3766	>	static class Monad {
3767	>	static class ZeroException extends RuntimeException {
3768	>	public ZeroException() { super("monadic zero"); }
3769	>	}
3770	>	// "return", "unit"
3771	>	static <T> CompletableFuture<T> unit(T value) {
3772	>	return completedFuture(value);
3773	>	}
3774	>	// monadic zero ?
3775	>	static <T> CompletableFuture<T> zero() {
3776	>	return failedFuture(new ZeroException());
3777	>	}
3778	>	// >=>
3779	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
3780	>	(Function<T, CompletableFuture<U>> f,
3781	>	Function<U, CompletableFuture<V>> g) {
3782	>	return (x) -> f.apply(x).thenCompose(g);
3783	>	}
3784	>
3785	>	static void assertZero(CompletableFuture<?> f) {
3786	>	try {
3787	>	f.getNow(null);
3788	>	throw new AssertionFailedError("should throw");
3789	>	} catch (CompletionException success) {
3790	>	assertTrue(success.getCause() instanceof ZeroException);
3791	>	}
3792	>	}
3793	>
3794	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
3795	>	CompletableFuture<T> g) {
3796	>	T fval = null, gval = null;
3797	>	Throwable fex = null, gex = null;
3798	>
3799	>	try { fval = f.get(); }
3800	>	catch (ExecutionException ex) { fex = ex.getCause(); }
3801	>	catch (Throwable ex) { fex = ex; }
3802	>
3803	>	try { gval = g.get(); }
3804	>	catch (ExecutionException ex) { gex = ex.getCause(); }
3805	>	catch (Throwable ex) { gex = ex; }
3806	>
3807	>	if (fex != null || gex != null)
3808	>	assertSame(fex.getClass(), gex.getClass());
3809	>	else
3810	>	assertEquals(fval, gval);
3811	>	}
3812	>
3813	>	static class PlusFuture<T> extends CompletableFuture<T> {
3814	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3815	>	}
3816	>
3817	>	// Monadic "plus"
3818	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3819	>	CompletableFuture<? extends T> g) {
3820	>	PlusFuture<T> plus = new PlusFuture<T>();
3821	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3822	>	if (ex == null) {
3823	>	if (plus.complete(result))
3824	>	if (plus.firstFailure.get() != null)
3825	>	plus.firstFailure.set(null);
3826	>	}
3827	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
3828	>	if (plus.isDone())
3829	>	plus.firstFailure.set(null);
3830	>	}
3831	>	else {
3832	>	// first failure has precedence
3833	>	Throwable first = plus.firstFailure.getAndSet(null);
3834	>
3835	>	// may fail with "Self-suppression not permitted"
3836	>	try { first.addSuppressed(ex); }
3837	>	catch (Exception ignored) {}
3838	>
3839	>	plus.completeExceptionally(first);
3840	>	}
3841	>	};
3842	>	f.whenComplete(action);
3843	>	g.whenComplete(action);
3844	>	return plus;
3845	>	}
3846	>	}
3847	>
3848	>	/**
3849	>	* CompletableFuture is an additive monad - sort of.
3850	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3851	>	*/
3852	>	public void testAdditiveMonad() throws Throwable {
3853	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3854	>	CompletableFuture<Long> zero = Monad.zero();
3855	>
3856	>	// Some mutually non-commutative functions
3857	>	Function<Long, CompletableFuture<Long>> triple
3858	>	= (x) -> Monad.unit(3 * x);
3859	>	Function<Long, CompletableFuture<Long>> inc
3860	>	= (x) -> Monad.unit(x + 1);
3861	>
3862	>	// unit is a right identity: m >>= unit === m
3863	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3864	>	inc.apply(5L));
3865	>	// unit is a left identity: (unit x) >>= f === f x
3866	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3867	>	inc.apply(5L));
3868	>
3869	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3870	>	Monad.assertFutureEquals(
3871	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3872	>	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3873	>
3874	>	// The case for CompletableFuture as an additive monad is weaker...
3875	>
3876	>	// zero is a monadic zero
3877	>	Monad.assertZero(zero);
3878	>
3879	>	// left zero: zero >>= f === zero
3880	>	Monad.assertZero(zero.thenCompose(inc));
3881	>	// right zero: f >>= (\x -> zero) === zero
3882	>	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3883	>
3884	>	// f plus zero === f
3885	>	Monad.assertFutureEquals(Monad.unit(5L),
3886	>	Monad.plus(Monad.unit(5L), zero));
3887	>	// zero plus f === f
3888	>	Monad.assertFutureEquals(Monad.unit(5L),
3889	>	Monad.plus(zero, Monad.unit(5L)));
3890	>	// zero plus zero === zero
3891	>	Monad.assertZero(Monad.plus(zero, zero));
3892	>	{
3893	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3894	>	Monad.unit(8L));
3895	>	// non-determinism
3896	>	assertTrue(f.get() == 5L || f.get() == 8L);
3897	>	}
3898	>
3899	>	CompletableFuture<Long> godot = new CompletableFuture<>();
3900	>	// f plus godot === f (doesn't wait for godot)
3901	>	Monad.assertFutureEquals(Monad.unit(5L),
3902	>	Monad.plus(Monad.unit(5L), godot));
3903	>	// godot plus f === f (doesn't wait for godot)
3904	>	Monad.assertFutureEquals(Monad.unit(5L),
3905	>	Monad.plus(godot, Monad.unit(5L)));
3906	>	}
3907	>
3908	>	//     static <U> U join(CompletionStage<U> stage) {
3909	>	//         CompletableFuture<U> f = new CompletableFuture<>();
3910	>	//         stage.whenComplete((v, ex) -> {
3911	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3912	>	//         });
3913	>	//         return f.join();
3914	>	//     }
3915	>
3916	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
3917	>	//         CompletableFuture<U> f = new CompletableFuture<>();
3918	>	//         stage.whenComplete((v, ex) -> {
3919	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3920	>	//         });
3921	>	//         return f.isDone();
3922	>	//     }
3923	>
3924	>	//     static <U> U join2(CompletionStage<U> stage) {
3925	>	//         return stage.toCompletableFuture().copy().join();
3926	>	//     }
3927	>
3928	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3929	>	//         return stage.toCompletableFuture().copy().isDone();
3930	>	//     }
3931
3932		}

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