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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 1.133 by jsr166, Sun Nov 15 19:39:25 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	<	checkCompletedWithWrappedCFException(g, ex2);
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	>	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
1155	+	/**
1156	+	* If a "handle action" throws an exception when triggered by
1157	+	* a normal completion, it completes exceptionally
1158	+	*/
1159		public void testHandle_sourceCompletedNormallyActionFailed() {
1160		for (ExecutionMode m : ExecutionMode.values())
1161		for (boolean createIncomplete : new boolean[] { true, false })
#	Line 876 | Line 1164 | public class CompletableFutureTest exten
1164		final CompletableFuture<Integer> f = new CompletableFuture<>();
1165		final AtomicInteger a = new AtomicInteger(0);
1166		final CFException ex = new CFException();
1167	<	if (!createIncomplete) f.complete(v1);
1167	>	if (!createIncomplete) assertTrue(f.complete(v1));
1168		final CompletableFuture<Integer> g = m.handle
1169		(f,
1170		(Integer x, Throwable t) -> {
1171	+	m.checkExecutionMode();
1172		threadAssertSame(x, v1);
1173		threadAssertNull(t);
1174		a.getAndIncrement();
1175		throw ex;
1176		});
1177	<	if (createIncomplete) f.complete(v1);
1177	>	if (createIncomplete) assertTrue(f.complete(v1));
1178
1179	<	checkCompletedWithWrappedCFException(g, ex);
1179	>	checkCompletedWithWrappedException(g, ex);
1180		checkCompletedNormally(f, v1);
1181		assertEquals(1, a.get());
1182		}}
#	Line 895 | Line 1184 | public class CompletableFutureTest exten
1184		/**
1185		* runAsync completes after running Runnable
1186		*/
1187	<	public void testRunAsync() {
1188	<	Noop r = new Noop();
1189	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1190	<	assertNull(f.join());
1191	<	assertEquals(1, r.invocationCount);
1192	<	checkCompletedNormally(f, null);
1193	<	}
1194	<
1195	<	/**
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);
1187	>	public void testRunAsync_normalCompletion() {
1188	>	ExecutionMode[] executionModes = {
1189	>	ExecutionMode.ASYNC,
1190	>	ExecutionMode.EXECUTOR,
1191	>	};
1192	>	for (ExecutionMode m : executionModes)
1193	>	{
1194	>	final Noop r = new Noop(m);
1195	>	final CompletableFuture<Void> f = m.runAsync(r);
1196		assertNull(f.join());
914	–	assertEquals(1, r.invocationCount);
1197		checkCompletedNormally(f, null);
1198	<	assertEquals(1, exec.count.get());
1199	<	}
1198	>	r.assertInvoked();
1199	>	}}
1200
1201		/**
1202		* failing runAsync completes exceptionally after running Runnable
1203		*/
1204	<	public void testRunAsync3() {
1205	<	FailingNoop r = new FailingNoop();
1206	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1204	>	public void testRunAsync_exceptionalCompletion() {
1205	>	ExecutionMode[] executionModes = {
1206	>	ExecutionMode.ASYNC,
1207	>	ExecutionMode.EXECUTOR,
1208	>	};
1209	>	for (ExecutionMode m : executionModes)
1210	>	{
1211	>	final FailingRunnable r = new FailingRunnable(m);
1212	>	final CompletableFuture<Void> f = m.runAsync(r);
1213		checkCompletedWithWrappedCFException(f);
1214	<	assertEquals(1, r.invocationCount);
1215	<	}
1214	>	r.assertInvoked();
1215	>	}}
1216
1217		/**
1218		* supplyAsync completes with result of supplier
1219		*/
1220	<	public void testSupplyAsync() {
1221	<	CompletableFuture<Integer> f;
1222	<	f = CompletableFuture.supplyAsync(supplyOne);
1223	<	assertEquals(f.join(), one);
1224	<	checkCompletedNormally(f, one);
1225	<	}
1226	<
1227	<	/**
1228	<	* supplyAsync with executor completes with result of supplier
1229	<	*/
1230	<	public void testSupplyAsync2() {
1231	<	CompletableFuture<Integer> f;
1232	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1233	<	assertEquals(f.join(), one);
946	<	checkCompletedNormally(f, one);
947	<	}
1220	>	public void testSupplyAsync_normalCompletion() {
1221	>	ExecutionMode[] executionModes = {
1222	>	ExecutionMode.ASYNC,
1223	>	ExecutionMode.EXECUTOR,
1224	>	};
1225	>	for (ExecutionMode m : executionModes)
1226	>	for (Integer v1 : new Integer[] { 1, null })
1227	>	{
1228	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1229	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1230	>	assertSame(v1, f.join());
1231	>	checkCompletedNormally(f, v1);
1232	>	r.assertInvoked();
1233	>	}}
1234
1235		/**
1236		* Failing supplyAsync completes exceptionally
1237		*/
1238	<	public void testSupplyAsync3() {
1239	<	FailingSupplier r = new FailingSupplier();
1240	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1238	>	public void testSupplyAsync_exceptionalCompletion() {
1239	>	ExecutionMode[] executionModes = {
1240	>	ExecutionMode.ASYNC,
1241	>	ExecutionMode.EXECUTOR,
1242	>	};
1243	>	for (ExecutionMode m : executionModes)
1244	>	{
1245	>	FailingSupplier r = new FailingSupplier(m);
1246	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1247		checkCompletedWithWrappedCFException(f);
1248	<	assertEquals(1, r.invocationCount);
1249	<	}
1248	>	r.assertInvoked();
1249	>	}}
1250
1251		// seq completion methods
1252
1253		/**
1254		* thenRun result completes normally after normal completion of source
1255		*/
1256	<	public void testThenRun() {
1257	<	CompletableFuture<Integer> f;
1258	<	CompletableFuture<Void> g;
1259	<	Noop r;
1260	<
1261	<	f = new CompletableFuture<>();
1262	<	g = f.thenRun(r = new Noop());
971	<	f.complete(null);
972	<	checkCompletedNormally(g, null);
973	<	assertEquals(1, r.invocationCount);
1256	>	public void testThenRun_normalCompletion() {
1257	>	for (ExecutionMode m : ExecutionMode.values())
1258	>	for (Integer v1 : new Integer[] { 1, null })
1259	>	{
1260	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1261	>	final Noop[] rs = new Noop[6];
1262	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1263
1264	<	f = new CompletableFuture<>();
1265	<	f.complete(null);
1266	<	g = f.thenRun(r = new Noop());
1267	<	checkCompletedNormally(g, null);
1268	<	assertEquals(1, r.invocationCount);
1269	<	}
1264	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1265	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1266	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1267	>	checkIncomplete(h0);
1268	>	checkIncomplete(h1);
1269	>	checkIncomplete(h2);
1270	>	assertTrue(f.complete(v1));
1271	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1272	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1273	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1274	>
1275	>	checkCompletedNormally(h0, null);
1276	>	checkCompletedNormally(h1, null);
1277	>	checkCompletedNormally(h2, null);
1278	>	checkCompletedNormally(h3, null);
1279	>	checkCompletedNormally(h4, null);
1280	>	checkCompletedNormally(h5, null);
1281	>	checkCompletedNormally(f, v1);
1282	>	for (Noop r : rs) r.assertInvoked();
1283	>	}}
1284
1285		/**
1286		* thenRun result completes exceptionally after exceptional
1287		* completion of source
1288		*/
1289	<	public void testThenRun2() {
1290	<	CompletableFuture<Integer> f;
1291	<	CompletableFuture<Void> g;
1292	<	Noop r;
1293	<
1294	<	f = new CompletableFuture<>();
1295	<	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);
1289	>	public void testThenRun_exceptionalCompletion() {
1290	>	for (ExecutionMode m : ExecutionMode.values())
1291	>	{
1292	>	final CFException ex = new CFException();
1293	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1294	>	final Noop[] rs = new Noop[6];
1295	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1296
1297	<	f = new CompletableFuture<>();
1298	<	f.complete(null);
1299	<	g = f.thenRun(r = new FailingNoop());
1300	<	checkCompletedWithWrappedCFException(g);
1301	<	}
1297	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1298	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1299	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1300	>	checkIncomplete(h0);
1301	>	checkIncomplete(h1);
1302	>	checkIncomplete(h2);
1303	>	assertTrue(f.completeExceptionally(ex));
1304	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1305	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1306	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1307	>
1308	>	checkCompletedWithWrappedException(h0, ex);
1309	>	checkCompletedWithWrappedException(h1, ex);
1310	>	checkCompletedWithWrappedException(h2, ex);
1311	>	checkCompletedWithWrappedException(h3, ex);
1312	>	checkCompletedWithWrappedException(h4, ex);
1313	>	checkCompletedWithWrappedException(h5, ex);
1314	>	checkCompletedExceptionally(f, ex);
1315	>	for (Noop r : rs) r.assertNotInvoked();
1316	>	}}
1317
1318		/**
1319		* thenRun result completes exceptionally if source cancelled
1320		*/
1321	<	public void testThenRun4() {
1322	<	CompletableFuture<Integer> f;
1323	<	CompletableFuture<Void> g;
1324	<	Noop r;
1325	<
1326	<	f = new CompletableFuture<>();
1327	<	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	<	}
1321	>	public void testThenRun_sourceCancelled() {
1322	>	for (ExecutionMode m : ExecutionMode.values())
1323	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1324	>	{
1325	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1326	>	final Noop[] rs = new Noop[6];
1327	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1328
1329	<	/**
1330	<	* thenAccept result completes exceptionally if source cancelled
1331	<	*/
1332	<	public void testThenAccept4() {
1333	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1334	<	IncAction r = new IncAction();
1335	<	CompletableFuture<Void> g = f.thenAccept(r);
1336	<	assertTrue(f.cancel(true));
1337	<	checkCompletedWithWrappedCancellationException(g);
1338	<	}
1329	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1330	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1331	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1332	>	checkIncomplete(h0);
1333	>	checkIncomplete(h1);
1334	>	checkIncomplete(h2);
1335	>	assertTrue(f.cancel(mayInterruptIfRunning));
1336	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1337	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1338	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1339	>
1340	>	checkCompletedWithWrappedCancellationException(h0);
1341	>	checkCompletedWithWrappedCancellationException(h1);
1342	>	checkCompletedWithWrappedCancellationException(h2);
1343	>	checkCompletedWithWrappedCancellationException(h3);
1344	>	checkCompletedWithWrappedCancellationException(h4);
1345	>	checkCompletedWithWrappedCancellationException(h5);
1346	>	checkCancelled(f);
1347	>	for (Noop r : rs) r.assertNotInvoked();
1348	>	}}
1349
1350		/**
1351	<	* thenCombine result completes normally after normal completion
1132	<	* of sources
1351	>	* thenRun result completes exceptionally if action does
1352		*/
1353	<	public void testThenCombine_normalCompletion1() {
1135	<	for (boolean createIncomplete : new boolean[] { true, false })
1136	<	for (boolean fFirst : new boolean[] { true, false })
1353	>	public void testThenRun_actionFailed() {
1354		for (ExecutionMode m : ExecutionMode.values())
1355		for (Integer v1 : new Integer[] { 1, null })
1356	<	for (Integer v2 : new Integer[] { 2, null }) {
1140	<
1356	>	{
1357		final CompletableFuture<Integer> f = new CompletableFuture<>();
1358	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1359	<	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);
1358	>	final FailingRunnable[] rs = new FailingRunnable[6];
1359	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1360
1361	<	checkCompletedNormally(h, subtract(v1, v2));
1361	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1362	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1363	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1364	>	assertTrue(f.complete(v1));
1365	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1366	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1367	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1368	>
1369	>	checkCompletedWithWrappedCFException(h0);
1370	>	checkCompletedWithWrappedCFException(h1);
1371	>	checkCompletedWithWrappedCFException(h2);
1372	>	checkCompletedWithWrappedCFException(h3);
1373	>	checkCompletedWithWrappedCFException(h4);
1374	>	checkCompletedWithWrappedCFException(h5);
1375		checkCompletedNormally(f, v1);
1376	<	checkCompletedNormally(g, v2);
1162	<	assertEquals(1, r.invocationCount);
1163	<	}
1164	<	}
1376	>	}}
1377
1378		/**
1379	<	* thenCombine result completes exceptionally after exceptional
1168	<	* completion of either source
1379	>	* thenApply result completes normally after normal completion of source
1380		*/
1381	<	public void testThenCombine_exceptionalCompletion1() {
1381	>	public void testThenApply_normalCompletion() {
1382		for (ExecutionMode m : ExecutionMode.values())
1383	<	for (Integer v1 : new Integer[] { 1, null }) {
1384	<
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() {
1192	<	for (ExecutionMode m : ExecutionMode.values())
1193	<	for (Integer v1 : new Integer[] { 1, null }) {
1194	<
1383	>	for (Integer v1 : new Integer[] { 1, null })
1384	>	{
1385		final CompletableFuture<Integer> f = new CompletableFuture<>();
1386	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1387	<	final SubtractFunction r = new SubtractFunction();
1198	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1199	<	final CFException ex = new CFException();
1200	<
1201	<	g.completeExceptionally(ex);
1202	<	checkIncomplete(h);
1203	<	f.complete(v1);
1386	>	final IncFunction[] rs = new IncFunction[4];
1387	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1388
1389	<	checkCompletedWithWrappedCFException(h, ex);
1390	<	checkCompletedWithWrappedCFException(g, ex);
1391	<	assertEquals(0, r.invocationCount);
1389	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1390	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1391	>	checkIncomplete(h0);
1392	>	checkIncomplete(h1);
1393	>	assertTrue(f.complete(v1));
1394	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1395	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1396	>
1397	>	checkCompletedNormally(h0, inc(v1));
1398	>	checkCompletedNormally(h1, inc(v1));
1399	>	checkCompletedNormally(h2, inc(v1));
1400	>	checkCompletedNormally(h3, inc(v1));
1401		checkCompletedNormally(f, v1);
1402	<	}
1403	<	}
1402	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1403	>	}}
1404
1405	<	public void testThenCombine_exceptionalCompletion3() {
1405	>	/**
1406	>	* thenApply result completes exceptionally after exceptional
1407	>	* completion of source
1408	>	*/
1409	>	public void testThenApply_exceptionalCompletion() {
1410		for (ExecutionMode m : ExecutionMode.values())
1411	<	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();
1411	>	{
1412		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	–
1413		final CompletableFuture<Integer> f = new CompletableFuture<>();
1414	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1415	<	final SubtractFunction r = new SubtractFunction();
1239	<	final CFException ex = new CFException();
1240	<
1241	<	f.completeExceptionally(ex);
1242	<	g.complete(v1);
1243	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1414	>	final IncFunction[] rs = new IncFunction[4];
1415	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1416
1417	<	checkCompletedWithWrappedCFException(h, ex);
1418	<	checkCompletedWithWrappedCFException(f, ex);
1419	<	assertEquals(0, r.invocationCount);
1420	<	checkCompletedNormally(g, v1);
1421	<	}
1422	<	}
1417	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1418	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1419	>	assertTrue(f.completeExceptionally(ex));
1420	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1421	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1422	>
1423	>	checkCompletedWithWrappedException(h0, ex);
1424	>	checkCompletedWithWrappedException(h1, ex);
1425	>	checkCompletedWithWrappedException(h2, ex);
1426	>	checkCompletedWithWrappedException(h3, ex);
1427	>	checkCompletedExceptionally(f, ex);
1428	>	for (IncFunction r : rs) r.assertNotInvoked();
1429	>	}}
1430
1431		/**
1432	<	* thenCombine result completes exceptionally if action does
1432	>	* thenApply result completes exceptionally if source cancelled
1433		*/
1434	<	public void testThenCombine_actionFailed1() {
1434	>	public void testThenApply_sourceCancelled() {
1435		for (ExecutionMode m : ExecutionMode.values())
1436	<	for (Integer v1 : new Integer[] { 1, null })
1437	<	for (Integer v2 : new Integer[] { 2, null }) {
1259	<
1436	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1437	>	{
1438		final CompletableFuture<Integer> f = new CompletableFuture<>();
1439	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1440	<	final FailingBiFunction r = new FailingBiFunction();
1263	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1439	>	final IncFunction[] rs = new IncFunction[4];
1440	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1441
1442	<	f.complete(v1);
1443	<	checkIncomplete(h);
1444	<	g.complete(v2);
1442	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1443	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1444	>	assertTrue(f.cancel(mayInterruptIfRunning));
1445	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1446	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1447
1448	<	checkCompletedWithWrappedCFException(h);
1449	<	checkCompletedNormally(f, v1);
1450	<	checkCompletedNormally(g, v2);
1451	<	}
1452	<	}
1448	>	checkCompletedWithWrappedCancellationException(h0);
1449	>	checkCompletedWithWrappedCancellationException(h1);
1450	>	checkCompletedWithWrappedCancellationException(h2);
1451	>	checkCompletedWithWrappedCancellationException(h3);
1452	>	checkCancelled(f);
1453	>	for (IncFunction r : rs) r.assertNotInvoked();
1454	>	}}
1455
1456	<	public void testThenCombine_actionFailed2() {
1456	>	/**
1457	>	* thenApply result completes exceptionally if action does
1458	>	*/
1459	>	public void testThenApply_actionFailed() {
1460		for (ExecutionMode m : ExecutionMode.values())
1461		for (Integer v1 : new Integer[] { 1, null })
1462	<	for (Integer v2 : new Integer[] { 2, null }) {
1279	<
1462	>	{
1463		final CompletableFuture<Integer> f = new CompletableFuture<>();
1464	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1465	<	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);
1464	>	final FailingFunction[] rs = new FailingFunction[4];
1465	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1466
1467	<	checkCompletedWithWrappedCFException(h);
1467	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1468	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1469	>	assertTrue(f.complete(v1));
1470	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1471	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1472	>
1473	>	checkCompletedWithWrappedCFException(h0);
1474	>	checkCompletedWithWrappedCFException(h1);
1475	>	checkCompletedWithWrappedCFException(h2);
1476	>	checkCompletedWithWrappedCFException(h3);
1477		checkCompletedNormally(f, v1);
1478	<	checkCompletedNormally(g, v2);
1292	<	}
1293	<	}
1478	>	}}
1479
1480		/**
1481	<	* thenCombine result completes exceptionally if either source cancelled
1481	>	* thenAccept result completes normally after normal completion of source
1482		*/
1483	<	public void testThenCombine_sourceCancelled1() {
1483	>	public void testThenAccept_normalCompletion() {
1484		for (ExecutionMode m : ExecutionMode.values())
1485	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1486	<	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	<
1485	>	for (Integer v1 : new Integer[] { 1, null })
1486	>	{
1487		final CompletableFuture<Integer> f = new CompletableFuture<>();
1488	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1489	<	final SubtractFunction r = new SubtractFunction();
1327	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1328	<
1329	<	assertTrue(g.cancel(mayInterruptIfRunning));
1330	<	checkIncomplete(h);
1331	<	f.complete(v1);
1488	>	final NoopConsumer[] rs = new NoopConsumer[4];
1489	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1490
1491	<	checkCompletedWithWrappedCancellationException(h);
1492	<	checkCancelled(g);
1493	<	assertEquals(0, r.invocationCount);
1491	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1492	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1493	>	checkIncomplete(h0);
1494	>	checkIncomplete(h1);
1495	>	assertTrue(f.complete(v1));
1496	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1497	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1498	>
1499	>	checkCompletedNormally(h0, null);
1500	>	checkCompletedNormally(h1, null);
1501	>	checkCompletedNormally(h2, null);
1502	>	checkCompletedNormally(h3, null);
1503		checkCompletedNormally(f, v1);
1504	<	}
1505	<	}
1504	>	for (NoopConsumer r : rs) r.assertValue(v1);
1505	>	}}
1506
1507	<	public void testThenCombine_sourceCancelled3() {
1507	>	/**
1508	>	* thenAccept result completes exceptionally after exceptional
1509	>	* completion of source
1510	>	*/
1511	>	public void testThenAccept_exceptionalCompletion() {
1512		for (ExecutionMode m : ExecutionMode.values())
1513	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1514	<	for (Integer v1 : new Integer[] { 1, null }) {
1344	<
1513	>	{
1514	>	final CFException ex = new CFException();
1515		final CompletableFuture<Integer> f = new CompletableFuture<>();
1516	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1517	<	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);
1516	>	final NoopConsumer[] rs = new NoopConsumer[4];
1517	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1518
1519	<	checkCompletedWithWrappedCancellationException(h);
1520	<	checkCancelled(g);
1521	<	assertEquals(0, r.invocationCount);
1522	<	checkCompletedNormally(f, v1);
1523	<	}
1524	<	}
1519	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1520	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1521	>	assertTrue(f.completeExceptionally(ex));
1522	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1523	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1524	>
1525	>	checkCompletedWithWrappedException(h0, ex);
1526	>	checkCompletedWithWrappedException(h1, ex);
1527	>	checkCompletedWithWrappedException(h2, ex);
1528	>	checkCompletedWithWrappedException(h3, ex);
1529	>	checkCompletedExceptionally(f, ex);
1530	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1531	>	}}
1532
1533	<	public void testThenCombine_sourceCancelled4() {
1533	>	/**
1534	>	* thenAccept result completes exceptionally if source cancelled
1535	>	*/
1536	>	public void testThenAccept_sourceCancelled() {
1537		for (ExecutionMode m : ExecutionMode.values())
1538		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1539	<	for (Integer v1 : new Integer[] { 1, null }) {
1364	<
1539	>	{
1540		final CompletableFuture<Integer> f = new CompletableFuture<>();
1541	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1542	<	final SubtractFunction r = new SubtractFunction();
1541	>	final NoopConsumer[] rs = new NoopConsumer[4];
1542	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1543
1544	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1545	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1546		assertTrue(f.cancel(mayInterruptIfRunning));
1547	<	g.complete(v1);
1548	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1547	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1548	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1549
1550	<	checkCompletedWithWrappedCancellationException(h);
1550	>	checkCompletedWithWrappedCancellationException(h0);
1551	>	checkCompletedWithWrappedCancellationException(h1);
1552	>	checkCompletedWithWrappedCancellationException(h2);
1553	>	checkCompletedWithWrappedCancellationException(h3);
1554		checkCancelled(f);
1555	<	assertEquals(0, r.invocationCount);
1556	<	checkCompletedNormally(g, v1);
1377	<	}
1378	<	}
1555	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1556	>	}}
1557
1558		/**
1559	<	* thenAcceptBoth result completes normally after normal
1382	<	* completion of sources
1559	>	* thenAccept result completes exceptionally if action does
1560		*/
1561	<	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() {
1561	>	public void testThenAccept_actionFailed() {
1562		for (ExecutionMode m : ExecutionMode.values())
1563		for (Integer v1 : new Integer[] { 1, null })
1564	<	for (Integer v2 : new Integer[] { 2, null }) {
1410	<
1564	>	{
1565		final CompletableFuture<Integer> f = new CompletableFuture<>();
1566	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1567	<	final SubtractAction r = new SubtractAction();
1414	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1566	>	final FailingConsumer[] rs = new FailingConsumer[4];
1567	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1568
1569	<	g.complete(v2);
1570	<	checkIncomplete(h);
1571	<	assertEquals(0, r.invocationCount);
1572	<	f.complete(v1);
1573	<
1574	<	checkCompletedNormally(h, null);
1575	<	assertEquals(subtract(v1, v2), r.value);
1569	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1570	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1571	>	assertTrue(f.complete(v1));
1572	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1573	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1574	>
1575	>	checkCompletedWithWrappedCFException(h0);
1576	>	checkCompletedWithWrappedCFException(h1);
1577	>	checkCompletedWithWrappedCFException(h2);
1578	>	checkCompletedWithWrappedCFException(h3);
1579		checkCompletedNormally(f, v1);
1580	<	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	<
1433	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1434	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1435	<	final SubtractAction r = new SubtractAction();
1436	<
1437	<	g.complete(v2);
1438	<	f.complete(v1);
1439	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1440	<
1441	<	checkCompletedNormally(h, null);
1442	<	assertEquals(subtract(v1, v2), r.value);
1443	<	checkCompletedNormally(f, v1);
1444	<	checkCompletedNormally(g, v2);
1445	<	}
1446	<	}
1580	>	}}
1581
1582	<	public void testThenAcceptBoth_normalCompletion4() {
1582	>	/**
1583	>	* thenCombine result completes normally after normal completion
1584	>	* of sources
1585	>	*/
1586	>	public void testThenCombine_normalCompletion() {
1587		for (ExecutionMode m : ExecutionMode.values())
1588	+	for (boolean fFirst : new boolean[] { true, false })
1589		for (Integer v1 : new Integer[] { 1, null })
1590	<	for (Integer v2 : new Integer[] { 2, null }) {
1591	<
1590	>	for (Integer v2 : new Integer[] { 2, null })
1591	>	{
1592		final CompletableFuture<Integer> f = new CompletableFuture<>();
1593		final CompletableFuture<Integer> g = new CompletableFuture<>();
1594	<	final SubtractAction r = new SubtractAction();
1594	>	final SubtractFunction[] rs = new SubtractFunction[6];
1595	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1596
1597	<	f.complete(v1);
1598	<	g.complete(v2);
1599	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1597	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1598	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1599	>	final Integer w1 =  fFirst ? v1 : v2;
1600	>	final Integer w2 = !fFirst ? v1 : v2;
1601	>
1602	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1603	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1604	>	assertTrue(fst.complete(w1));
1605	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1606	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1607	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1608	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1609	>	checkCompletedNormally(h1, subtract(w1, w1));
1610	>	checkCompletedNormally(h3, subtract(w1, w1));
1611	>	rs[1].assertValue(subtract(w1, w1));
1612	>	rs[3].assertValue(subtract(w1, w1));
1613	>	assertTrue(snd.complete(w2));
1614	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1615	>
1616	>	checkCompletedNormally(h0, subtract(v1, v2));
1617	>	checkCompletedNormally(h2, subtract(v1, v2));
1618	>	checkCompletedNormally(h4, subtract(v1, v2));
1619	>	rs[0].assertValue(subtract(v1, v2));
1620	>	rs[2].assertValue(subtract(v1, v2));
1621	>	rs[4].assertValue(subtract(v1, v2));
1622
1461	–	checkCompletedNormally(h, null);
1462	–	assertEquals(subtract(v1, v2), r.value);
1623		checkCompletedNormally(f, v1);
1624		checkCompletedNormally(g, v2);
1625	<	}
1466	<	}
1625	>	}}
1626
1627		/**
1628	<	* thenAcceptBoth result completes exceptionally after exceptional
1628	>	* thenCombine result completes exceptionally after exceptional
1629		* completion of either source
1630		*/
1631	<	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() {
1631	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1632		for (ExecutionMode m : ExecutionMode.values())
1633	<	for (Integer v1 : new Integer[] { 1, null }) {
1634	<
1635	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1636	<	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	<
1633	>	for (boolean fFirst : new boolean[] { true, false })
1634	>	for (boolean failFirst : new boolean[] { true, false })
1635	>	for (Integer v1 : new Integer[] { 1, null })
1636	>	{
1637		final CompletableFuture<Integer> f = new CompletableFuture<>();
1638		final CompletableFuture<Integer> g = new CompletableFuture<>();
1540	–	final SubtractAction r = new SubtractAction();
1639		final CFException ex = new CFException();
1640	<
1641	<	f.completeExceptionally(ex);
1642	<	g.complete(v1);
1643	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1644	<
1645	<	checkCompletedWithWrappedCFException(h, ex);
1646	<	checkCompletedWithWrappedCFException(f, ex);
1647	<	assertEquals(0, r.invocationCount);
1648	<	checkCompletedNormally(g, v1);
1649	<	}
1650	<	}
1640	>	final SubtractFunction r1 = new SubtractFunction(m);
1641	>	final SubtractFunction r2 = new SubtractFunction(m);
1642	>	final SubtractFunction r3 = new SubtractFunction(m);
1643	>
1644	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1645	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1646	>	final Callable<Boolean> complete1 = failFirst ?
1647	>	() -> fst.completeExceptionally(ex) :
1648	>	() -> fst.complete(v1);
1649	>	final Callable<Boolean> complete2 = failFirst ?
1650	>	() -> snd.complete(v1) :
1651	>	() -> snd.completeExceptionally(ex);
1652	>
1653	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1654	>	assertTrue(complete1.call());
1655	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1656	>	checkIncomplete(h1);
1657	>	checkIncomplete(h2);
1658	>	assertTrue(complete2.call());
1659	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1660	>
1661	>	checkCompletedWithWrappedException(h1, ex);
1662	>	checkCompletedWithWrappedException(h2, ex);
1663	>	checkCompletedWithWrappedException(h3, ex);
1664	>	r1.assertNotInvoked();
1665	>	r2.assertNotInvoked();
1666	>	r3.assertNotInvoked();
1667	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1668	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1669	>	}}
1670
1671		/**
1672	<	* thenAcceptBoth result completes exceptionally if action does
1672	>	* thenCombine result completes exceptionally if either source cancelled
1673		*/
1674	<	public void testThenAcceptBoth_actionFailed1() {
1674	>	public void testThenCombine_sourceCancelled() throws Throwable {
1675		for (ExecutionMode m : ExecutionMode.values())
1676	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1677	+	for (boolean fFirst : new boolean[] { true, false })
1678	+	for (boolean failFirst : new boolean[] { true, false })
1679		for (Integer v1 : new Integer[] { 1, null })
1680	<	for (Integer v2 : new Integer[] { 2, null }) {
1561	<
1680	>	{
1681		final CompletableFuture<Integer> f = new CompletableFuture<>();
1682		final CompletableFuture<Integer> g = new CompletableFuture<>();
1683	<	final FailingBiConsumer r = new FailingBiConsumer();
1684	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1685	<
1686	<	f.complete(v1);
1687	<	checkIncomplete(h);
1688	<	g.complete(v2);
1689	<
1690	<	checkCompletedWithWrappedCFException(h);
1691	<	checkCompletedNormally(f, v1);
1692	<	checkCompletedNormally(g, v2);
1693	<	}
1694	<	}
1683	>	final SubtractFunction r1 = new SubtractFunction(m);
1684	>	final SubtractFunction r2 = new SubtractFunction(m);
1685	>	final SubtractFunction r3 = new SubtractFunction(m);
1686	>
1687	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1688	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1689	>	final Callable<Boolean> complete1 = failFirst ?
1690	>	() -> fst.cancel(mayInterruptIfRunning) :
1691	>	() -> fst.complete(v1);
1692	>	final Callable<Boolean> complete2 = failFirst ?
1693	>	() -> snd.complete(v1) :
1694	>	() -> snd.cancel(mayInterruptIfRunning);
1695	>
1696	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1697	>	assertTrue(complete1.call());
1698	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1699	>	checkIncomplete(h1);
1700	>	checkIncomplete(h2);
1701	>	assertTrue(complete2.call());
1702	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1703	>
1704	>	checkCompletedWithWrappedCancellationException(h1);
1705	>	checkCompletedWithWrappedCancellationException(h2);
1706	>	checkCompletedWithWrappedCancellationException(h3);
1707	>	r1.assertNotInvoked();
1708	>	r2.assertNotInvoked();
1709	>	r3.assertNotInvoked();
1710	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1711	>	checkCancelled(failFirst ? fst : snd);
1712	>	}}
1713
1714	<	public void testThenAcceptBoth_actionFailed2() {
1714	>	/**
1715	>	* thenCombine result completes exceptionally if action does
1716	>	*/
1717	>	public void testThenCombine_actionFailed() {
1718		for (ExecutionMode m : ExecutionMode.values())
1719	+	for (boolean fFirst : new boolean[] { true, false })
1720		for (Integer v1 : new Integer[] { 1, null })
1721	<	for (Integer v2 : new Integer[] { 2, null }) {
1722	<
1721	>	for (Integer v2 : new Integer[] { 2, null })
1722	>	{
1723		final CompletableFuture<Integer> f = new CompletableFuture<>();
1724		final CompletableFuture<Integer> g = new CompletableFuture<>();
1725	<	final FailingBiConsumer r = new FailingBiConsumer();
1726	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1727	<
1728	<	g.complete(v2);
1729	<	checkIncomplete(h);
1730	<	f.complete(v1);
1731	<
1732	<	checkCompletedWithWrappedCFException(h);
1725	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1726	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1727	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1728	>
1729	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1730	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1731	>	final Integer w1 =  fFirst ? v1 : v2;
1732	>	final Integer w2 = !fFirst ? v1 : v2;
1733	>
1734	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1735	>	assertTrue(fst.complete(w1));
1736	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1737	>	assertTrue(snd.complete(w2));
1738	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1739	>
1740	>	checkCompletedWithWrappedCFException(h1);
1741	>	checkCompletedWithWrappedCFException(h2);
1742	>	checkCompletedWithWrappedCFException(h3);
1743	>	r1.assertInvoked();
1744	>	r2.assertInvoked();
1745	>	r3.assertInvoked();
1746		checkCompletedNormally(f, v1);
1747		checkCompletedNormally(g, v2);
1748	<	}
1595	<	}
1748	>	}}
1749
1750		/**
1751	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1751	>	* thenAcceptBoth result completes normally after normal
1752	>	* completion of sources
1753		*/
1754	<	public void testThenAcceptBoth_sourceCancelled1() {
1754	>	public void testThenAcceptBoth_normalCompletion() {
1755		for (ExecutionMode m : ExecutionMode.values())
1756	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1757	<	for (Integer v1 : new Integer[] { 1, null }) {
1758	<
1759	<	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	<
1756	>	for (boolean fFirst : new boolean[] { true, false })
1757	>	for (Integer v1 : new Integer[] { 1, null })
1758	>	for (Integer v2 : new Integer[] { 2, null })
1759	>	{
1760		final CompletableFuture<Integer> f = new CompletableFuture<>();
1761		final CompletableFuture<Integer> g = new CompletableFuture<>();
1762	<	final SubtractAction r = new SubtractAction();
1763	<
1764	<	assertTrue(g.cancel(mayInterruptIfRunning));
1765	<	f.complete(v1);
1766	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1767	<
1768	<	checkCompletedWithWrappedCancellationException(h);
1769	<	checkCancelled(g);
1770	<	assertEquals(0, r.invocationCount);
1762	>	final SubtractAction r1 = new SubtractAction(m);
1763	>	final SubtractAction r2 = new SubtractAction(m);
1764	>	final SubtractAction r3 = new SubtractAction(m);
1765	>
1766	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1767	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1768	>	final Integer w1 =  fFirst ? v1 : v2;
1769	>	final Integer w2 = !fFirst ? v1 : v2;
1770	>
1771	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1772	>	assertTrue(fst.complete(w1));
1773	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1774	>	checkIncomplete(h1);
1775	>	checkIncomplete(h2);
1776	>	r1.assertNotInvoked();
1777	>	r2.assertNotInvoked();
1778	>	assertTrue(snd.complete(w2));
1779	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1780	>
1781	>	checkCompletedNormally(h1, null);
1782	>	checkCompletedNormally(h2, null);
1783	>	checkCompletedNormally(h3, null);
1784	>	r1.assertValue(subtract(v1, v2));
1785	>	r2.assertValue(subtract(v1, v2));
1786	>	r3.assertValue(subtract(v1, v2));
1787		checkCompletedNormally(f, v1);
1788	<	}
1789	<	}
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	<	}
1788	>	checkCompletedNormally(g, v2);
1789	>	}}
1790
1791		/**
1792	<	* runAfterBoth result completes normally after normal
1793	<	* completion of sources
1792	>	* thenAcceptBoth result completes exceptionally after exceptional
1793	>	* completion of either source
1794		*/
1795	<	public void testRunAfterBoth_normalCompletion1() {
1795	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1796		for (ExecutionMode m : ExecutionMode.values())
1797	+	for (boolean fFirst : new boolean[] { true, false })
1798	+	for (boolean failFirst : new boolean[] { true, false })
1799		for (Integer v1 : new Integer[] { 1, null })
1800	<	for (Integer v2 : new Integer[] { 2, null }) {
1690	<
1800	>	{
1801		final CompletableFuture<Integer> f = new CompletableFuture<>();
1802		final CompletableFuture<Integer> g = new CompletableFuture<>();
1803	<	final Noop r = new Noop();
1804	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1805	<
1806	<	f.complete(v1);
1807	<	checkIncomplete(h);
1808	<	assertEquals(0, r.invocationCount);
1809	<	g.complete(v2);
1810	<
1811	<	checkCompletedNormally(h, null);
1812	<	assertEquals(1, r.invocationCount);
1813	<	checkCompletedNormally(f, v1);
1814	<	checkCompletedNormally(g, v2);
1815	<	}
1816	<	}
1803	>	final CFException ex = new CFException();
1804	>	final SubtractAction r1 = new SubtractAction(m);
1805	>	final SubtractAction r2 = new SubtractAction(m);
1806	>	final SubtractAction r3 = new SubtractAction(m);
1807	>
1808	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1809	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1810	>	final Callable<Boolean> complete1 = failFirst ?
1811	>	() -> fst.completeExceptionally(ex) :
1812	>	() -> fst.complete(v1);
1813	>	final Callable<Boolean> complete2 = failFirst ?
1814	>	() -> snd.complete(v1) :
1815	>	() -> snd.completeExceptionally(ex);
1816	>
1817	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1818	>	assertTrue(complete1.call());
1819	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1820	>	checkIncomplete(h1);
1821	>	checkIncomplete(h2);
1822	>	assertTrue(complete2.call());
1823	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1824	>
1825	>	checkCompletedWithWrappedException(h1, ex);
1826	>	checkCompletedWithWrappedException(h2, ex);
1827	>	checkCompletedWithWrappedException(h3, ex);
1828	>	r1.assertNotInvoked();
1829	>	r2.assertNotInvoked();
1830	>	r3.assertNotInvoked();
1831	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1832	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1833	>	}}
1834
1835	<	public void testRunAfterBoth_normalCompletion2() {
1835	>	/**
1836	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1837	>	*/
1838	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1839		for (ExecutionMode m : ExecutionMode.values())
1840	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1841	+	for (boolean fFirst : new boolean[] { true, false })
1842	+	for (boolean failFirst : new boolean[] { true, false })
1843		for (Integer v1 : new Integer[] { 1, null })
1844	<	for (Integer v2 : new Integer[] { 2, null }) {
1712	<
1844	>	{
1845		final CompletableFuture<Integer> f = new CompletableFuture<>();
1846		final CompletableFuture<Integer> g = new CompletableFuture<>();
1847	<	final Noop r = new Noop();
1848	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1849	<
1850	<	g.complete(v2);
1851	<	checkIncomplete(h);
1852	<	assertEquals(0, r.invocationCount);
1853	<	f.complete(v1);
1854	<
1855	<	checkCompletedNormally(h, null);
1856	<	assertEquals(1, r.invocationCount);
1857	<	checkCompletedNormally(f, v1);
1858	<	checkCompletedNormally(g, v2);
1859	<	}
1860	<	}
1847	>	final SubtractAction r1 = new SubtractAction(m);
1848	>	final SubtractAction r2 = new SubtractAction(m);
1849	>	final SubtractAction r3 = new SubtractAction(m);
1850	>
1851	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1852	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1853	>	final Callable<Boolean> complete1 = failFirst ?
1854	>	() -> fst.cancel(mayInterruptIfRunning) :
1855	>	() -> fst.complete(v1);
1856	>	final Callable<Boolean> complete2 = failFirst ?
1857	>	() -> snd.complete(v1) :
1858	>	() -> snd.cancel(mayInterruptIfRunning);
1859	>
1860	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1861	>	assertTrue(complete1.call());
1862	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1863	>	checkIncomplete(h1);
1864	>	checkIncomplete(h2);
1865	>	assertTrue(complete2.call());
1866	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1867	>
1868	>	checkCompletedWithWrappedCancellationException(h1);
1869	>	checkCompletedWithWrappedCancellationException(h2);
1870	>	checkCompletedWithWrappedCancellationException(h3);
1871	>	r1.assertNotInvoked();
1872	>	r2.assertNotInvoked();
1873	>	r3.assertNotInvoked();
1874	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1875	>	checkCancelled(failFirst ? fst : snd);
1876	>	}}
1877
1878	<	public void testRunAfterBoth_normalCompletion3() {
1878	>	/**
1879	>	* thenAcceptBoth result completes exceptionally if action does
1880	>	*/
1881	>	public void testThenAcceptBoth_actionFailed() {
1882		for (ExecutionMode m : ExecutionMode.values())
1883	+	for (boolean fFirst : new boolean[] { true, false })
1884		for (Integer v1 : new Integer[] { 1, null })
1885	<	for (Integer v2 : new Integer[] { 2, null }) {
1886	<
1885	>	for (Integer v2 : new Integer[] { 2, null })
1886	>	{
1887		final CompletableFuture<Integer> f = new CompletableFuture<>();
1888		final CompletableFuture<Integer> g = new CompletableFuture<>();
1889	<	final Noop r = new Noop();
1890	<
1891	<	g.complete(v2);
1892	<	f.complete(v1);
1893	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1894	<
1895	<	checkCompletedNormally(h, null);
1896	<	assertEquals(1, r.invocationCount);
1889	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1890	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1891	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1892	>
1893	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1894	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1895	>	final Integer w1 =  fFirst ? v1 : v2;
1896	>	final Integer w2 = !fFirst ? v1 : v2;
1897	>
1898	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1899	>	assertTrue(fst.complete(w1));
1900	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1901	>	assertTrue(snd.complete(w2));
1902	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1903	>
1904	>	checkCompletedWithWrappedCFException(h1);
1905	>	checkCompletedWithWrappedCFException(h2);
1906	>	checkCompletedWithWrappedCFException(h3);
1907	>	r1.assertInvoked();
1908	>	r2.assertInvoked();
1909	>	r3.assertInvoked();
1910		checkCompletedNormally(f, v1);
1911		checkCompletedNormally(g, v2);
1912	<	}
1748	<	}
1912	>	}}
1913
1914	<	public void testRunAfterBoth_normalCompletion4() {
1914	>	/**
1915	>	* runAfterBoth result completes normally after normal
1916	>	* completion of sources
1917	>	*/
1918	>	public void testRunAfterBoth_normalCompletion() {
1919		for (ExecutionMode m : ExecutionMode.values())
1920	+	for (boolean fFirst : new boolean[] { true, false })
1921		for (Integer v1 : new Integer[] { 1, null })
1922	<	for (Integer v2 : new Integer[] { 2, null }) {
1923	<
1922	>	for (Integer v2 : new Integer[] { 2, null })
1923	>	{
1924		final CompletableFuture<Integer> f = new CompletableFuture<>();
1925		final CompletableFuture<Integer> g = new CompletableFuture<>();
1926	<	final Noop r = new Noop();
1927	<
1928	<	f.complete(v1);
1929	<	g.complete(v2);
1930	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1931	<
1932	<	checkCompletedNormally(h, null);
1933	<	assertEquals(1, r.invocationCount);
1926	>	final Noop r1 = new Noop(m);
1927	>	final Noop r2 = new Noop(m);
1928	>	final Noop r3 = new Noop(m);
1929	>
1930	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1931	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1932	>	final Integer w1 =  fFirst ? v1 : v2;
1933	>	final Integer w2 = !fFirst ? v1 : v2;
1934	>
1935	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1936	>	assertTrue(fst.complete(w1));
1937	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1938	>	checkIncomplete(h1);
1939	>	checkIncomplete(h2);
1940	>	r1.assertNotInvoked();
1941	>	r2.assertNotInvoked();
1942	>	assertTrue(snd.complete(w2));
1943	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1944	>
1945	>	checkCompletedNormally(h1, null);
1946	>	checkCompletedNormally(h2, null);
1947	>	checkCompletedNormally(h3, null);
1948	>	r1.assertInvoked();
1949	>	r2.assertInvoked();
1950	>	r3.assertInvoked();
1951		checkCompletedNormally(f, v1);
1952		checkCompletedNormally(g, v2);
1953	<	}
1768	<	}
1953	>	}}
1954
1955		/**
1956		* runAfterBoth result completes exceptionally after exceptional
1957		* completion of either source
1958		*/
1959	<	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() {
1796	<	for (ExecutionMode m : ExecutionMode.values())
1797	<	for (Integer v1 : new Integer[] { 1, null }) {
1798	<
1799	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1800	<	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() {
1959	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1960		for (ExecutionMode m : ExecutionMode.values())
1961	<	for (Integer v1 : new Integer[] { 1, null }) {
1962	<
1963	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1964	<	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	<
1961	>	for (boolean fFirst : new boolean[] { true, false })
1962	>	for (boolean failFirst : new boolean[] { true, false })
1963	>	for (Integer v1 : new Integer[] { 1, null })
1964	>	{
1965		final CompletableFuture<Integer> f = new CompletableFuture<>();
1966		final CompletableFuture<Integer> g = new CompletableFuture<>();
1842	–	final Noop r = new Noop();
1967		final CFException ex = new CFException();
1968	<
1969	<	f.completeExceptionally(ex);
1970	<	g.complete(v1);
1971	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1972	<
1973	<	checkCompletedWithWrappedCFException(h, ex);
1974	<	checkCompletedWithWrappedCFException(f, ex);
1975	<	assertEquals(0, r.invocationCount);
1976	<	checkCompletedNormally(g, v1);
1977	<	}
1978	<	}
1968	>	final Noop r1 = new Noop(m);
1969	>	final Noop r2 = new Noop(m);
1970	>	final Noop r3 = new Noop(m);
1971	>
1972	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1973	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1974	>	final Callable<Boolean> complete1 = failFirst ?
1975	>	() -> fst.completeExceptionally(ex) :
1976	>	() -> fst.complete(v1);
1977	>	final Callable<Boolean> complete2 = failFirst ?
1978	>	() -> snd.complete(v1) :
1979	>	() -> snd.completeExceptionally(ex);
1980	>
1981	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1982	>	assertTrue(complete1.call());
1983	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1984	>	checkIncomplete(h1);
1985	>	checkIncomplete(h2);
1986	>	assertTrue(complete2.call());
1987	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1988	>
1989	>	checkCompletedWithWrappedException(h1, ex);
1990	>	checkCompletedWithWrappedException(h2, ex);
1991	>	checkCompletedWithWrappedException(h3, ex);
1992	>	r1.assertNotInvoked();
1993	>	r2.assertNotInvoked();
1994	>	r3.assertNotInvoked();
1995	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1996	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1997	>	}}
1998
1999		/**
2000	<	* runAfterBoth result completes exceptionally if action does
2000	>	* runAfterBoth result completes exceptionally if either source cancelled
2001		*/
2002	<	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() {
2002	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2003		for (ExecutionMode m : ExecutionMode.values())
2004	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2005	+	for (boolean fFirst : new boolean[] { true, false })
2006	+	for (boolean failFirst : new boolean[] { true, false })
2007		for (Integer v1 : new Integer[] { 1, null })
2008	<	for (Integer v2 : new Integer[] { 2, null }) {
1883	<
2008	>	{
2009		final CompletableFuture<Integer> f = new CompletableFuture<>();
2010		final CompletableFuture<Integer> g = new CompletableFuture<>();
2011	<	final FailingNoop r = new FailingNoop();
2012	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2013	<
2014	<	g.complete(v2);
2015	<	checkIncomplete(h);
2016	<	f.complete(v1);
2017	<
2018	<	checkCompletedWithWrappedCFException(h);
2019	<	checkCompletedNormally(f, v1);
2020	<	checkCompletedNormally(g, v2);
2021	<	}
2022	<	}
2011	>	final Noop r1 = new Noop(m);
2012	>	final Noop r2 = new Noop(m);
2013	>	final Noop r3 = new Noop(m);
2014	>
2015	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2016	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2017	>	final Callable<Boolean> complete1 = failFirst ?
2018	>	() -> fst.cancel(mayInterruptIfRunning) :
2019	>	() -> fst.complete(v1);
2020	>	final Callable<Boolean> complete2 = failFirst ?
2021	>	() -> snd.complete(v1) :
2022	>	() -> snd.cancel(mayInterruptIfRunning);
2023	>
2024	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2025	>	assertTrue(complete1.call());
2026	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2027	>	checkIncomplete(h1);
2028	>	checkIncomplete(h2);
2029	>	assertTrue(complete2.call());
2030	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2031	>
2032	>	checkCompletedWithWrappedCancellationException(h1);
2033	>	checkCompletedWithWrappedCancellationException(h2);
2034	>	checkCompletedWithWrappedCancellationException(h3);
2035	>	r1.assertNotInvoked();
2036	>	r2.assertNotInvoked();
2037	>	r3.assertNotInvoked();
2038	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2039	>	checkCancelled(failFirst ? fst : snd);
2040	>	}}
2041
2042		/**
2043	<	* runAfterBoth result completes exceptionally if either source cancelled
2043	>	* runAfterBoth result completes exceptionally if action does
2044		*/
2045	<	public void testRunAfterBoth_sourceCancelled1() {
2045	>	public void testRunAfterBoth_actionFailed() {
2046		for (ExecutionMode m : ExecutionMode.values())
2047	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2048	<	for (Integer v1 : new Integer[] { 1, null }) {
2049	<
2050	<	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	<
2047	>	for (boolean fFirst : new boolean[] { true, false })
2048	>	for (Integer v1 : new Integer[] { 1, null })
2049	>	for (Integer v2 : new Integer[] { 2, null })
2050	>	{
2051		final CompletableFuture<Integer> f = new CompletableFuture<>();
2052		final CompletableFuture<Integer> g = new CompletableFuture<>();
2053	<	final Noop r = new Noop();
2054	<
2055	<	assertTrue(g.cancel(mayInterruptIfRunning));
2056	<	f.complete(v1);
2057	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2058	<
2059	<	checkCompletedWithWrappedCancellationException(h);
2060	<	checkCancelled(g);
2061	<	assertEquals(0, r.invocationCount);
2053	>	final FailingRunnable r1 = new FailingRunnable(m);
2054	>	final FailingRunnable r2 = new FailingRunnable(m);
2055	>	final FailingRunnable r3 = new FailingRunnable(m);
2056	>
2057	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2058	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2059	>	final Integer w1 =  fFirst ? v1 : v2;
2060	>	final Integer w2 = !fFirst ? v1 : v2;
2061	>
2062	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2063	>	assertTrue(fst.complete(w1));
2064	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2065	>	assertTrue(snd.complete(w2));
2066	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2067	>
2068	>	checkCompletedWithWrappedCFException(h1);
2069	>	checkCompletedWithWrappedCFException(h2);
2070	>	checkCompletedWithWrappedCFException(h3);
2071	>	r1.assertInvoked();
2072	>	r2.assertInvoked();
2073	>	r3.assertInvoked();
2074		checkCompletedNormally(f, v1);
2075	<	}
2076	<	}
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	<	}
2075	>	checkCompletedNormally(g, v2);
2076	>	}}
2077
2078		/**
2079		* applyToEither result completes normally after normal completion
2080		* of either source
2081		*/
2082	<	public void testApplyToEither_normalCompletion1() {
1989	<	for (ExecutionMode m : ExecutionMode.values())
1990	<	for (Integer v1 : new Integer[] { 1, null })
1991	<	for (Integer v2 : new Integer[] { 2, null }) {
1992	<
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() {
2082	>	public void testApplyToEither_normalCompletion() {
2083		for (ExecutionMode m : ExecutionMode.values())
2084		for (Integer v1 : new Integer[] { 1, null })
2085	<	for (Integer v2 : new Integer[] { 2, null }) {
2086	<
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	<
2085	>	for (Integer v2 : new Integer[] { 2, null })
2086	>	{
2087		final CompletableFuture<Integer> f = new CompletableFuture<>();
2088		final CompletableFuture<Integer> g = new CompletableFuture<>();
2089	<	final IncFunction r = new IncFunction();
2089	>	final IncFunction[] rs = new IncFunction[6];
2090	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2091
2092	<	f.complete(v1);
2093	<	g.complete(v2);
2094	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2092	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2093	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2094	>	checkIncomplete(h0);
2095	>	checkIncomplete(h1);
2096	>	rs[0].assertNotInvoked();
2097	>	rs[1].assertNotInvoked();
2098	>	f.complete(v1);
2099	>	checkCompletedNormally(h0, inc(v1));
2100	>	checkCompletedNormally(h1, inc(v1));
2101	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2102	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2103	>	checkCompletedNormally(h2, inc(v1));
2104	>	checkCompletedNormally(h3, inc(v1));
2105	>	g.complete(v2);
2106	>
2107	>	// unspecified behavior - both source completions available
2108	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2109	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2110	>	rs[4].assertValue(h4.join());
2111	>	rs[5].assertValue(h5.join());
2112	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2113	>	Objects.equals(inc(v2), h4.join()));
2114	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2115	>	Objects.equals(inc(v2), h5.join()));
2116
2117		checkCompletedNormally(f, v1);
2118		checkCompletedNormally(g, v2);
2119	<
2120	<	// unspecified behavior
2121	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2122	<	Objects.equals(h.join(), inc(v2)));
2123	<	assertEquals(1, r.invocationCount);
2124	<	}
2048	<	}
2119	>	checkCompletedNormally(h0, inc(v1));
2120	>	checkCompletedNormally(h1, inc(v1));
2121	>	checkCompletedNormally(h2, inc(v1));
2122	>	checkCompletedNormally(h3, inc(v1));
2123	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2124	>	}}
2125
2126		/**
2127		* applyToEither result completes exceptionally after exceptional
2128		* completion of either source
2129		*/
2130	<	public void testApplyToEither_exceptionalCompletion1() {
2130	>	public void testApplyToEither_exceptionalCompletion() {
2131		for (ExecutionMode m : ExecutionMode.values())
2132	<	for (Integer v1 : new Integer[] { 1, null }) {
2133	<
2132	>	for (Integer v1 : new Integer[] { 1, null })
2133	>	{
2134		final CompletableFuture<Integer> f = new CompletableFuture<>();
2135		final CompletableFuture<Integer> g = new CompletableFuture<>();
2060	–	final IncFunction r = new IncFunction();
2061	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2136		final CFException ex = new CFException();
2137	+	final IncFunction[] rs = new IncFunction[6];
2138	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2139
2140	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2141	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2142	+	checkIncomplete(h0);
2143	+	checkIncomplete(h1);
2144	+	rs[0].assertNotInvoked();
2145	+	rs[1].assertNotInvoked();
2146		f.completeExceptionally(ex);
2147	<	checkCompletedWithWrappedCFException(h, ex);
2147	>	checkCompletedWithWrappedException(h0, ex);
2148	>	checkCompletedWithWrappedException(h1, ex);
2149	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2150	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2151	>	checkCompletedWithWrappedException(h2, ex);
2152	>	checkCompletedWithWrappedException(h3, ex);
2153		g.complete(v1);
2154
2155	<	assertEquals(0, r.invocationCount);
2156	<	checkCompletedNormally(g, v1);
2157	<	checkCompletedWithWrappedCFException(f, ex);
2158	<	checkCompletedWithWrappedCFException(h, ex);
2159	<	}
2160	<	}
2161	<
2162	<	public void testApplyToEither_exceptionalCompletion2() {
2163	<	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);
2155	>	// unspecified behavior - both source completions available
2156	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2157	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2158	>	try {
2159	>	assertEquals(inc(v1), h4.join());
2160	>	rs[4].assertValue(inc(v1));
2161	>	} catch (CompletionException ok) {
2162	>	checkCompletedWithWrappedException(h4, ex);
2163	>	rs[4].assertNotInvoked();
2164		}
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;
2165		try {
2166	<	assertEquals(inc(v1), h.join());
2167	<	assertEquals(1, r.invocationCount);
2166	>	assertEquals(inc(v1), h5.join());
2167	>	rs[5].assertValue(inc(v1));
2168		} catch (CompletionException ok) {
2169	<	checkCompletedWithWrappedCFException(h, ex);
2170	<	assertEquals(0, r.invocationCount);
2169	>	checkCompletedWithWrappedException(h5, ex);
2170	>	rs[5].assertNotInvoked();
2171		}
2172
2173	<	checkCompletedWithWrappedCFException(g, ex);
2174	<	checkCompletedNormally(f, v1);
2175	<	}
2176	<	}
2173	>	checkCompletedExceptionally(f, ex);
2174	>	checkCompletedNormally(g, v1);
2175	>	checkCompletedWithWrappedException(h0, ex);
2176	>	checkCompletedWithWrappedException(h1, ex);
2177	>	checkCompletedWithWrappedException(h2, ex);
2178	>	checkCompletedWithWrappedException(h3, ex);
2179	>	checkCompletedWithWrappedException(h4, ex);
2180	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2181	>	}}
2182
2183	<	public void testApplyToEither_exceptionalCompletion4() {
2183	>	public void testApplyToEither_exceptionalCompletion2() {
2184		for (ExecutionMode m : ExecutionMode.values())
2185	<	for (Integer v1 : new Integer[] { 1, null }) {
2186	<
2185	>	for (boolean fFirst : new boolean[] { true, false })
2186	>	for (Integer v1 : new Integer[] { 1, null })
2187	>	{
2188		final CompletableFuture<Integer> f = new CompletableFuture<>();
2189		final CompletableFuture<Integer> g = new CompletableFuture<>();
2130	–	final IncFunction r = new IncFunction();
2190		final CFException ex = new CFException();
2191	+	final IncFunction[] rs = new IncFunction[6];
2192	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2193
2194	<	f.completeExceptionally(ex);
2195	<	g.complete(v1);
2196	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2194	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2195	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2196	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2197	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2198	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2199	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2200
2201	<	// unspecified behavior
2138	<	Integer v;
2201	>	// unspecified behavior - both source completions available
2202		try {
2203	<	assertEquals(inc(v1), h.join());
2204	<	assertEquals(1, r.invocationCount);
2203	>	assertEquals(inc(v1), h0.join());
2204	>	rs[0].assertValue(inc(v1));
2205		} catch (CompletionException ok) {
2206	<	checkCompletedWithWrappedCFException(h, ex);
2207	<	assertEquals(0, r.invocationCount);
2206	>	checkCompletedWithWrappedException(h0, ex);
2207	>	rs[0].assertNotInvoked();
2208		}
2209	<
2210	<	checkCompletedWithWrappedCFException(f, ex);
2211	<	checkCompletedNormally(g, v1);
2209	>	try {
2210	>	assertEquals(inc(v1), h1.join());
2211	>	rs[1].assertValue(inc(v1));
2212	>	} catch (CompletionException ok) {
2213	>	checkCompletedWithWrappedException(h1, ex);
2214	>	rs[1].assertNotInvoked();
2215		}
2216	<	}
2217	<
2218	<	/**
2219	<	* applyToEither result completes exceptionally if action does
2220	<	*/
2221	<	public void testApplyToEither_actionFailed1() {
2222	<	for (ExecutionMode m : ExecutionMode.values())
2223	<	for (Integer v1 : new Integer[] { 1, null })
2224	<	for (Integer v2 : new Integer[] { 2, null }) {
2225	<
2226	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2227	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2228	<	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);
2216	>	try {
2217	>	assertEquals(inc(v1), h2.join());
2218	>	rs[2].assertValue(inc(v1));
2219	>	} catch (CompletionException ok) {
2220	>	checkCompletedWithWrappedException(h2, ex);
2221	>	rs[2].assertNotInvoked();
2222	>	}
2223	>	try {
2224	>	assertEquals(inc(v1), h3.join());
2225	>	rs[3].assertValue(inc(v1));
2226	>	} catch (CompletionException ok) {
2227	>	checkCompletedWithWrappedException(h3, ex);
2228	>	rs[3].assertNotInvoked();
2229		}
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);
2230
2183	–	g.complete(v2);
2184	–	checkCompletedWithWrappedCFException(h);
2185	–	f.complete(v1);
2231		checkCompletedNormally(f, v1);
2232	<	checkCompletedNormally(g, v2);
2233	<	}
2189	<	}
2232	>	checkCompletedExceptionally(g, ex);
2233	>	}}
2234
2235		/**
2236		* applyToEither result completes exceptionally if either source cancelled
2237		*/
2238	<	public void testApplyToEither_sourceCancelled1() {
2238	>	public void testApplyToEither_sourceCancelled() {
2239		for (ExecutionMode m : ExecutionMode.values())
2240		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2241	<	for (Integer v1 : new Integer[] { 1, null }) {
2242	<
2241	>	for (Integer v1 : new Integer[] { 1, null })
2242	>	{
2243		final CompletableFuture<Integer> f = new CompletableFuture<>();
2244		final CompletableFuture<Integer> g = new CompletableFuture<>();
2245	<	final IncFunction r = new IncFunction();
2246	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2245	>	final IncFunction[] rs = new IncFunction[6];
2246	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2247
2248	<	assertTrue(f.cancel(mayInterruptIfRunning));
2249	<	checkCompletedWithWrappedCancellationException(h);
2250	<	g.complete(v1);
2248	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2249	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2250	>	checkIncomplete(h0);
2251	>	checkIncomplete(h1);
2252	>	rs[0].assertNotInvoked();
2253	>	rs[1].assertNotInvoked();
2254	>	f.cancel(mayInterruptIfRunning);
2255	>	checkCompletedWithWrappedCancellationException(h0);
2256	>	checkCompletedWithWrappedCancellationException(h1);
2257	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2258	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2259	>	checkCompletedWithWrappedCancellationException(h2);
2260	>	checkCompletedWithWrappedCancellationException(h3);
2261	>	g.complete(v1);
2262	>
2263	>	// unspecified behavior - both source completions available
2264	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2265	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2266	>	try {
2267	>	assertEquals(inc(v1), h4.join());
2268	>	rs[4].assertValue(inc(v1));
2269	>	} catch (CompletionException ok) {
2270	>	checkCompletedWithWrappedCancellationException(h4);
2271	>	rs[4].assertNotInvoked();
2272	>	}
2273	>	try {
2274	>	assertEquals(inc(v1), h5.join());
2275	>	rs[5].assertValue(inc(v1));
2276	>	} catch (CompletionException ok) {
2277	>	checkCompletedWithWrappedCancellationException(h5);
2278	>	rs[5].assertNotInvoked();
2279	>	}
2280
2281		checkCancelled(f);
2209	–	assertEquals(0, r.invocationCount);
2282		checkCompletedNormally(g, v1);
2283	<	checkCompletedWithWrappedCancellationException(h);
2284	<	}
2285	<	}
2283	>	checkCompletedWithWrappedCancellationException(h0);
2284	>	checkCompletedWithWrappedCancellationException(h1);
2285	>	checkCompletedWithWrappedCancellationException(h2);
2286	>	checkCompletedWithWrappedCancellationException(h3);
2287	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2288	>	}}
2289
2290		public void testApplyToEither_sourceCancelled2() {
2291		for (ExecutionMode m : ExecutionMode.values())
2292		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2293	<	for (Integer v1 : new Integer[] { 1, null }) {
2294	<
2293	>	for (boolean fFirst : new boolean[] { true, false })
2294	>	for (Integer v1 : new Integer[] { 1, null })
2295	>	{
2296		final CompletableFuture<Integer> f = new CompletableFuture<>();
2297		final CompletableFuture<Integer> g = new CompletableFuture<>();
2298	<	final IncFunction r = new IncFunction();
2299	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2298	>	final IncFunction[] rs = new IncFunction[6];
2299	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2300
2301	<	assertTrue(g.cancel(mayInterruptIfRunning));
2302	<	checkCompletedWithWrappedCancellationException(h);
2303	<	f.complete(v1);
2301	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2302	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2303	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2304	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2305	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2306	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2307
2308	<	checkCancelled(g);
2309	<	assertEquals(0, r.invocationCount);
2310	<	checkCompletedNormally(f, v1);
2311	<	checkCompletedWithWrappedCancellationException(h);
2308	>	// unspecified behavior - both source completions available
2309	>	try {
2310	>	assertEquals(inc(v1), h0.join());
2311	>	rs[0].assertValue(inc(v1));
2312	>	} catch (CompletionException ok) {
2313	>	checkCompletedWithWrappedCancellationException(h0);
2314	>	rs[0].assertNotInvoked();
2315		}
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;
2316		try {
2317	<	assertEquals(inc(v1), h.join());
2318	<	assertEquals(1, r.invocationCount);
2317	>	assertEquals(inc(v1), h1.join());
2318	>	rs[1].assertValue(inc(v1));
2319		} catch (CompletionException ok) {
2320	<	checkCompletedWithWrappedCancellationException(h);
2321	<	assertEquals(0, r.invocationCount);
2320	>	checkCompletedWithWrappedCancellationException(h1);
2321	>	rs[1].assertNotInvoked();
2322		}
2323	<
2324	<	checkCancelled(g);
2325	<	checkCompletedNormally(f, v1);
2323	>	try {
2324	>	assertEquals(inc(v1), h2.join());
2325	>	rs[2].assertValue(inc(v1));
2326	>	} catch (CompletionException ok) {
2327	>	checkCompletedWithWrappedCancellationException(h2);
2328	>	rs[2].assertNotInvoked();
2329		}
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;
2330		try {
2331	<	assertEquals(inc(v1), h.join());
2332	<	assertEquals(1, r.invocationCount);
2331	>	assertEquals(inc(v1), h3.join());
2332	>	rs[3].assertValue(inc(v1));
2333		} catch (CompletionException ok) {
2334	<	checkCompletedWithWrappedCancellationException(h);
2335	<	assertEquals(0, r.invocationCount);
2334	>	checkCompletedWithWrappedCancellationException(h3);
2335	>	rs[3].assertNotInvoked();
2336		}
2337
2338	<	checkCancelled(f);
2339	<	checkCompletedNormally(g, v1);
2340	<	}
2290	<	}
2338	>	checkCompletedNormally(f, v1);
2339	>	checkCancelled(g);
2340	>	}}
2341
2342		/**
2343	<	* acceptEither result completes normally after normal completion
2294	<	* of either source
2343	>	* applyToEither result completes exceptionally if action does
2344		*/
2345	<	public void testAcceptEither_normalCompletion1() {
2345	>	public void testApplyToEither_actionFailed() {
2346		for (ExecutionMode m : ExecutionMode.values())
2347		for (Integer v1 : new Integer[] { 1, null })
2348	<	for (Integer v2 : new Integer[] { 2, null }) {
2349	<
2348	>	for (Integer v2 : new Integer[] { 2, null })
2349	>	{
2350		final CompletableFuture<Integer> f = new CompletableFuture<>();
2351		final CompletableFuture<Integer> g = new CompletableFuture<>();
2352	<	final IncAction r = new IncAction();
2353	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2352	>	final FailingFunction[] rs = new FailingFunction[6];
2353	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2354
2355	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2356	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2357		f.complete(v1);
2358	<	checkCompletedNormally(h, null);
2359	<	assertEquals(inc(v1), r.value);
2360	<	g.complete(v2);
2361	<
2362	<	checkCompletedNormally(f, v1);
2363	<	checkCompletedNormally(g, v2);
2364	<	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);
2358	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2359	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2360	>	checkCompletedWithWrappedCFException(h0);
2361	>	checkCompletedWithWrappedCFException(h1);
2362	>	checkCompletedWithWrappedCFException(h2);
2363	>	checkCompletedWithWrappedCFException(h3);
2364	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2365
2366		g.complete(v2);
2367	<	checkCompletedNormally(h, null);
2368	<	assertEquals(inc(v2), r.value);
2369	<	f.complete(v1);
2367	>
2368	>	// unspecified behavior - both source completions available
2369	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2370	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2371	>
2372	>	checkCompletedWithWrappedCFException(h4);
2373	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2374	>	Objects.equals(v2, rs[4].value));
2375	>	checkCompletedWithWrappedCFException(h5);
2376	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2377	>	Objects.equals(v2, rs[5].value));
2378
2379		checkCompletedNormally(f, v1);
2380		checkCompletedNormally(g, v2);
2381	<	checkCompletedNormally(h, null);
2382	<	}
2383	<	}
2384	<	public void testAcceptEither_normalCompletion3() {
2381	>	}}
2382	>
2383	>	/**
2384	>	* acceptEither result completes normally after normal completion
2385	>	* of either source
2386	>	*/
2387	>	public void testAcceptEither_normalCompletion() {
2388		for (ExecutionMode m : ExecutionMode.values())
2389		for (Integer v1 : new Integer[] { 1, null })
2390	<	for (Integer v2 : new Integer[] { 2, null }) {
2391	<
2390	>	for (Integer v2 : new Integer[] { 2, null })
2391	>	{
2392		final CompletableFuture<Integer> f = new CompletableFuture<>();
2393		final CompletableFuture<Integer> g = new CompletableFuture<>();
2394	<	final IncAction r = new IncAction();
2394	>	final NoopConsumer[] rs = new NoopConsumer[6];
2395	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2396
2397	<	f.complete(v1);
2398	<	g.complete(v2);
2399	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2397	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2398	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2399	>	checkIncomplete(h0);
2400	>	checkIncomplete(h1);
2401	>	rs[0].assertNotInvoked();
2402	>	rs[1].assertNotInvoked();
2403	>	f.complete(v1);
2404	>	checkCompletedNormally(h0, null);
2405	>	checkCompletedNormally(h1, null);
2406	>	rs[0].assertValue(v1);
2407	>	rs[1].assertValue(v1);
2408	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2409	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2410	>	checkCompletedNormally(h2, null);
2411	>	checkCompletedNormally(h3, null);
2412	>	rs[2].assertValue(v1);
2413	>	rs[3].assertValue(v1);
2414	>	g.complete(v2);
2415	>
2416	>	// unspecified behavior - both source completions available
2417	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2418	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2419	>	checkCompletedNormally(h4, null);
2420	>	checkCompletedNormally(h5, null);
2421	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2422	>	Objects.equals(v2, rs[4].value));
2423	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2424	>	Objects.equals(v2, rs[5].value));
2425
2350	–	checkCompletedNormally(h, null);
2426		checkCompletedNormally(f, v1);
2427		checkCompletedNormally(g, v2);
2428	<
2429	<	// unspecified behavior
2430	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2431	<	Objects.equals(r.value, inc(v2)));
2432	<	}
2433	<	}
2428	>	checkCompletedNormally(h0, null);
2429	>	checkCompletedNormally(h1, null);
2430	>	checkCompletedNormally(h2, null);
2431	>	checkCompletedNormally(h3, null);
2432	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2433	>	}}
2434
2435		/**
2436		* acceptEither result completes exceptionally after exceptional
2437		* completion of either source
2438		*/
2439	<	public void testAcceptEither_exceptionalCompletion1() {
2439	>	public void testAcceptEither_exceptionalCompletion() {
2440		for (ExecutionMode m : ExecutionMode.values())
2441	<	for (Integer v1 : new Integer[] { 1, null }) {
2442	<
2441	>	for (Integer v1 : new Integer[] { 1, null })
2442	>	{
2443		final CompletableFuture<Integer> f = new CompletableFuture<>();
2444		final CompletableFuture<Integer> g = new CompletableFuture<>();
2370	–	final IncAction r = new IncAction();
2371	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2445		final CFException ex = new CFException();
2446	+	final NoopConsumer[] rs = new NoopConsumer[6];
2447	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2448
2449	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2450	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2451	+	checkIncomplete(h0);
2452	+	checkIncomplete(h1);
2453	+	rs[0].assertNotInvoked();
2454	+	rs[1].assertNotInvoked();
2455		f.completeExceptionally(ex);
2456	<	checkCompletedWithWrappedCFException(h, ex);
2457	<	g.complete(v1);
2458	<
2459	<	assertEquals(0, r.invocationCount);
2460	<	checkCompletedNormally(g, v1);
2461	<	checkCompletedWithWrappedCFException(f, ex);
2381	<	checkCompletedWithWrappedCFException(h, ex);
2382	<	}
2383	<	}
2456	>	checkCompletedWithWrappedException(h0, ex);
2457	>	checkCompletedWithWrappedException(h1, ex);
2458	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2459	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2460	>	checkCompletedWithWrappedException(h2, ex);
2461	>	checkCompletedWithWrappedException(h3, ex);
2462
2463	<	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);
2463	>	g.complete(v1);
2464
2465	<	assertEquals(0, r.invocationCount);
2466	<	checkCompletedNormally(f, v1);
2467	<	checkCompletedWithWrappedCFException(g, ex);
2468	<	checkCompletedWithWrappedCFException(h, ex);
2465	>	// unspecified behavior - both source completions available
2466	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2467	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2468	>	try {
2469	>	assertNull(h4.join());
2470	>	rs[4].assertValue(v1);
2471	>	} catch (CompletionException ok) {
2472	>	checkCompletedWithWrappedException(h4, ex);
2473	>	rs[4].assertNotInvoked();
2474		}
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;
2475		try {
2476	<	assertNull(h.join());
2477	<	assertEquals(1, r.invocationCount);
2424	<	assertEquals(inc(v1), r.value);
2476	>	assertNull(h5.join());
2477	>	rs[5].assertValue(v1);
2478		} catch (CompletionException ok) {
2479	<	checkCompletedWithWrappedCFException(h, ex);
2480	<	assertEquals(0, r.invocationCount);
2479	>	checkCompletedWithWrappedException(h5, ex);
2480	>	rs[5].assertNotInvoked();
2481		}
2482
2483	<	checkCompletedWithWrappedCFException(g, ex);
2484	<	checkCompletedNormally(f, v1);
2485	<	}
2486	<	}
2483	>	checkCompletedExceptionally(f, ex);
2484	>	checkCompletedNormally(g, v1);
2485	>	checkCompletedWithWrappedException(h0, ex);
2486	>	checkCompletedWithWrappedException(h1, ex);
2487	>	checkCompletedWithWrappedException(h2, ex);
2488	>	checkCompletedWithWrappedException(h3, ex);
2489	>	checkCompletedWithWrappedException(h4, ex);
2490	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2491	>	}}
2492
2493	<	public void testAcceptEither_exceptionalCompletion4() {
2493	>	public void testAcceptEither_exceptionalCompletion2() {
2494		for (ExecutionMode m : ExecutionMode.values())
2495	<	for (Integer v1 : new Integer[] { 1, null }) {
2496	<
2495	>	for (boolean fFirst : new boolean[] { true, false })
2496	>	for (Integer v1 : new Integer[] { 1, null })
2497	>	{
2498		final CompletableFuture<Integer> f = new CompletableFuture<>();
2499		final CompletableFuture<Integer> g = new CompletableFuture<>();
2441	–	final IncAction r = new IncAction();
2500		final CFException ex = new CFException();
2501	+	final NoopConsumer[] rs = new NoopConsumer[6];
2502	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2503
2504	<	f.completeExceptionally(ex);
2505	<	g.complete(v1);
2506	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2504	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2505	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2506	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2507	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2508	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2509	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2510
2511	<	// unspecified behavior
2449	<	Integer v;
2511	>	// unspecified behavior - both source completions available
2512		try {
2513	<	assertNull(h.join());
2514	<	assertEquals(1, r.invocationCount);
2453	<	assertEquals(inc(v1), r.value);
2513	>	assertEquals(null, h0.join());
2514	>	rs[0].assertValue(v1);
2515		} catch (CompletionException ok) {
2516	<	checkCompletedWithWrappedCFException(h, ex);
2517	<	assertEquals(0, r.invocationCount);
2516	>	checkCompletedWithWrappedException(h0, ex);
2517	>	rs[0].assertNotInvoked();
2518		}
2519	<
2520	<	checkCompletedWithWrappedCFException(f, ex);
2521	<	checkCompletedNormally(g, v1);
2519	>	try {
2520	>	assertEquals(null, h1.join());
2521	>	rs[1].assertValue(v1);
2522	>	} catch (CompletionException ok) {
2523	>	checkCompletedWithWrappedException(h1, ex);
2524	>	rs[1].assertNotInvoked();
2525		}
2526	<	}
2527	<
2528	<	/**
2529	<	* acceptEither result completes exceptionally if action does
2530	<	*/
2531	<	public void testAcceptEither_actionFailed1() {
2532	<	for (ExecutionMode m : ExecutionMode.values())
2533	<	for (Integer v1 : new Integer[] { 1, null })
2534	<	for (Integer v2 : new Integer[] { 2, null }) {
2535	<
2536	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2537	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2538	<	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);
2526	>	try {
2527	>	assertEquals(null, h2.join());
2528	>	rs[2].assertValue(v1);
2529	>	} catch (CompletionException ok) {
2530	>	checkCompletedWithWrappedException(h2, ex);
2531	>	rs[2].assertNotInvoked();
2532	>	}
2533	>	try {
2534	>	assertEquals(null, h3.join());
2535	>	rs[3].assertValue(v1);
2536	>	} catch (CompletionException ok) {
2537	>	checkCompletedWithWrappedException(h3, ex);
2538	>	rs[3].assertNotInvoked();
2539		}
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);
2540
2495	–	g.complete(v2);
2496	–	checkCompletedWithWrappedCFException(h);
2497	–	f.complete(v1);
2541		checkCompletedNormally(f, v1);
2542	<	checkCompletedNormally(g, v2);
2543	<	}
2501	<	}
2542	>	checkCompletedExceptionally(g, ex);
2543	>	}}
2544
2545		/**
2546		* acceptEither result completes exceptionally if either source cancelled
2547		*/
2548	<	public void testAcceptEither_sourceCancelled1() {
2548	>	public void testAcceptEither_sourceCancelled() {
2549		for (ExecutionMode m : ExecutionMode.values())
2550		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2551	<	for (Integer v1 : new Integer[] { 1, null }) {
2552	<
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	<
2551	>	for (Integer v1 : new Integer[] { 1, null })
2552	>	{
2553		final CompletableFuture<Integer> f = new CompletableFuture<>();
2554		final CompletableFuture<Integer> g = new CompletableFuture<>();
2555	<	final IncAction r = new IncAction();
2556	<	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 }) {
2555	>	final NoopConsumer[] rs = new NoopConsumer[6];
2556	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2557
2558	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2559	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2560	<	final IncAction r = new IncAction();
2558	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2559	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2560	>	checkIncomplete(h0);
2561	>	checkIncomplete(h1);
2562	>	rs[0].assertNotInvoked();
2563	>	rs[1].assertNotInvoked();
2564	>	f.cancel(mayInterruptIfRunning);
2565	>	checkCompletedWithWrappedCancellationException(h0);
2566	>	checkCompletedWithWrappedCancellationException(h1);
2567	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2568	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2569	>	checkCompletedWithWrappedCancellationException(h2);
2570	>	checkCompletedWithWrappedCancellationException(h3);
2571
2572	<	assertTrue(g.cancel(mayInterruptIfRunning));
2558	<	f.complete(v1);
2559	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2572	>	g.complete(v1);
2573
2574	<	// unspecified behavior
2575	<	Integer v;
2574	>	// unspecified behavior - both source completions available
2575	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2576	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2577		try {
2578	<	assertNull(h.join());
2579	<	assertEquals(1, r.invocationCount);
2566	<	assertEquals(inc(v1), r.value);
2578	>	assertNull(h4.join());
2579	>	rs[4].assertValue(v1);
2580		} catch (CompletionException ok) {
2581	<	checkCompletedWithWrappedCancellationException(h);
2582	<	assertEquals(0, r.invocationCount);
2570	<	}
2571	<
2572	<	checkCancelled(g);
2573	<	checkCompletedNormally(f, v1);
2581	>	checkCompletedWithWrappedCancellationException(h4);
2582	>	rs[4].assertNotInvoked();
2583		}
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;
2584		try {
2585	<	assertNull(h.join());
2586	<	assertEquals(1, r.invocationCount);
2595	<	assertEquals(inc(v1), r.value);
2585	>	assertNull(h5.join());
2586	>	rs[5].assertValue(v1);
2587		} catch (CompletionException ok) {
2588	<	checkCompletedWithWrappedCancellationException(h);
2589	<	assertEquals(0, r.invocationCount);
2588	>	checkCompletedWithWrappedCancellationException(h5);
2589	>	rs[5].assertNotInvoked();
2590		}
2591
2592		checkCancelled(f);
2593		checkCompletedNormally(g, v1);
2594	<	}
2595	<	}
2594	>	checkCompletedWithWrappedCancellationException(h0);
2595	>	checkCompletedWithWrappedCancellationException(h1);
2596	>	checkCompletedWithWrappedCancellationException(h2);
2597	>	checkCompletedWithWrappedCancellationException(h3);
2598	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2599	>	}}
2600
2601		/**
2602	<	* runAfterEither result completes normally after normal completion
2608	<	* of either source
2602	>	* acceptEither result completes exceptionally if action does
2603		*/
2604	<	public void testRunAfterEither_normalCompletion1() {
2604	>	public void testAcceptEither_actionFailed() {
2605		for (ExecutionMode m : ExecutionMode.values())
2606		for (Integer v1 : new Integer[] { 1, null })
2607	<	for (Integer v2 : new Integer[] { 2, null }) {
2608	<
2607	>	for (Integer v2 : new Integer[] { 2, null })
2608	>	{
2609		final CompletableFuture<Integer> f = new CompletableFuture<>();
2610		final CompletableFuture<Integer> g = new CompletableFuture<>();
2611	<	final Noop r = new Noop();
2612	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2611	>	final FailingConsumer[] rs = new FailingConsumer[6];
2612	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2613
2614	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2615	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2616		f.complete(v1);
2617	<	checkCompletedNormally(h, null);
2618	<	assertEquals(1, r.invocationCount);
2617	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2618	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2619	>	checkCompletedWithWrappedCFException(h0);
2620	>	checkCompletedWithWrappedCFException(h1);
2621	>	checkCompletedWithWrappedCFException(h2);
2622	>	checkCompletedWithWrappedCFException(h3);
2623	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2624	>
2625		g.complete(v2);
2626
2627	+	// unspecified behavior - both source completions available
2628	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2629	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2630	+
2631	+	checkCompletedWithWrappedCFException(h4);
2632	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2633	+	Objects.equals(v2, rs[4].value));
2634	+	checkCompletedWithWrappedCFException(h5);
2635	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2636	+	Objects.equals(v2, rs[5].value));
2637	+
2638		checkCompletedNormally(f, v1);
2639		checkCompletedNormally(g, v2);
2640	<	checkCompletedNormally(h, null);
2628	<	assertEquals(1, r.invocationCount);
2629	<	}
2630	<	}
2640	>	}}
2641
2642	<	public void testRunAfterEither_normalCompletion2() {
2642	>	/**
2643	>	* runAfterEither result completes normally after normal completion
2644	>	* of either source
2645	>	*/
2646	>	public void testRunAfterEither_normalCompletion() {
2647		for (ExecutionMode m : ExecutionMode.values())
2648		for (Integer v1 : new Integer[] { 1, null })
2649	<	for (Integer v2 : new Integer[] { 2, null }) {
2650	<
2649	>	for (Integer v2 : new Integer[] { 2, null })
2650	>	{
2651		final CompletableFuture<Integer> f = new CompletableFuture<>();
2652		final CompletableFuture<Integer> g = new CompletableFuture<>();
2653	<	final Noop r = new Noop();
2654	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2653	>	final Noop[] rs = new Noop[6];
2654	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2655
2656	<	g.complete(v2);
2657	<	checkCompletedNormally(h, null);
2658	<	assertEquals(1, r.invocationCount);
2659	<	f.complete(v1);
2656	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2657	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2658	>	checkIncomplete(h0);
2659	>	checkIncomplete(h1);
2660	>	rs[0].assertNotInvoked();
2661	>	rs[1].assertNotInvoked();
2662	>	f.complete(v1);
2663	>	checkCompletedNormally(h0, null);
2664	>	checkCompletedNormally(h1, null);
2665	>	rs[0].assertInvoked();
2666	>	rs[1].assertInvoked();
2667	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2668	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2669	>	checkCompletedNormally(h2, null);
2670	>	checkCompletedNormally(h3, null);
2671	>	rs[2].assertInvoked();
2672	>	rs[3].assertInvoked();
2673
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);
2674		g.complete(v2);
2664	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2675
2676	<	checkCompletedNormally(h, null);
2676	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2677	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2678	>
2679		checkCompletedNormally(f, v1);
2680		checkCompletedNormally(g, v2);
2681	<	assertEquals(1, r.invocationCount);
2682	<	}
2683	<	}
2681	>	checkCompletedNormally(h0, null);
2682	>	checkCompletedNormally(h1, null);
2683	>	checkCompletedNormally(h2, null);
2684	>	checkCompletedNormally(h3, null);
2685	>	checkCompletedNormally(h4, null);
2686	>	checkCompletedNormally(h5, null);
2687	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2688	>	}}
2689
2690		/**
2691		* runAfterEither result completes exceptionally after exceptional
2692		* completion of either source
2693		*/
2694	<	public void testRunAfterEither_exceptionalCompletion1() {
2694	>	public void testRunAfterEither_exceptionalCompletion() {
2695		for (ExecutionMode m : ExecutionMode.values())
2696	<	for (Integer v1 : new Integer[] { 1, null }) {
2697	<
2696	>	for (Integer v1 : new Integer[] { 1, null })
2697	>	{
2698		final CompletableFuture<Integer> f = new CompletableFuture<>();
2699		final CompletableFuture<Integer> g = new CompletableFuture<>();
2683	–	final Noop r = new Noop();
2684	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2700		final CFException ex = new CFException();
2701	+	final Noop[] rs = new Noop[6];
2702	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2703
2704	<	f.completeExceptionally(ex);
2705	<	checkCompletedWithWrappedCFException(h, ex);
2706	<	g.complete(v1);
2704	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2705	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2706	>	checkIncomplete(h0);
2707	>	checkIncomplete(h1);
2708	>	rs[0].assertNotInvoked();
2709	>	rs[1].assertNotInvoked();
2710	>	assertTrue(f.completeExceptionally(ex));
2711	>	checkCompletedWithWrappedException(h0, ex);
2712	>	checkCompletedWithWrappedException(h1, ex);
2713	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2714	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2715	>	checkCompletedWithWrappedException(h2, ex);
2716	>	checkCompletedWithWrappedException(h3, ex);
2717	>
2718	>	assertTrue(g.complete(v1));
2719	>
2720	>	// unspecified behavior - both source completions available
2721	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2722	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2723	>	try {
2724	>	assertNull(h4.join());
2725	>	rs[4].assertInvoked();
2726	>	} catch (CompletionException ok) {
2727	>	checkCompletedWithWrappedException(h4, ex);
2728	>	rs[4].assertNotInvoked();
2729	>	}
2730	>	try {
2731	>	assertNull(h5.join());
2732	>	rs[5].assertInvoked();
2733	>	} catch (CompletionException ok) {
2734	>	checkCompletedWithWrappedException(h5, ex);
2735	>	rs[5].assertNotInvoked();
2736	>	}
2737
2738	<	assertEquals(0, r.invocationCount);
2738	>	checkCompletedExceptionally(f, ex);
2739		checkCompletedNormally(g, v1);
2740	<	checkCompletedWithWrappedCFException(f, ex);
2741	<	checkCompletedWithWrappedCFException(h, ex);
2742	<	}
2743	<	}
2740	>	checkCompletedWithWrappedException(h0, ex);
2741	>	checkCompletedWithWrappedException(h1, ex);
2742	>	checkCompletedWithWrappedException(h2, ex);
2743	>	checkCompletedWithWrappedException(h3, ex);
2744	>	checkCompletedWithWrappedException(h4, ex);
2745	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2746	>	}}
2747
2748		public void testRunAfterEither_exceptionalCompletion2() {
2749		for (ExecutionMode m : ExecutionMode.values())
2750	<	for (Integer v1 : new Integer[] { 1, null }) {
2751	<
2752	<	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	<
2750	>	for (boolean fFirst : new boolean[] { true, false })
2751	>	for (Integer v1 : new Integer[] { 1, null })
2752	>	{
2753		final CompletableFuture<Integer> f = new CompletableFuture<>();
2754		final CompletableFuture<Integer> g = new CompletableFuture<>();
2725	–	final Noop r = new Noop();
2755		final CFException ex = new CFException();
2756	+	final Noop[] rs = new Noop[6];
2757	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2758
2759	<	g.completeExceptionally(ex);
2760	<	f.complete(v1);
2761	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2759	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2760	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2761	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2762	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2763	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2764	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2765
2766	<	// unspecified behavior
2733	<	Integer v;
2766	>	// unspecified behavior - both source completions available
2767		try {
2768	<	assertNull(h.join());
2769	<	assertEquals(1, r.invocationCount);
2768	>	assertEquals(null, h0.join());
2769	>	rs[0].assertInvoked();
2770		} catch (CompletionException ok) {
2771	<	checkCompletedWithWrappedCFException(h, ex);
2772	<	assertEquals(0, r.invocationCount);
2740	<	}
2741	<
2742	<	checkCompletedWithWrappedCFException(g, ex);
2743	<	checkCompletedNormally(f, v1);
2771	>	checkCompletedWithWrappedException(h0, ex);
2772	>	rs[0].assertNotInvoked();
2773		}
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;
2774		try {
2775	<	assertNull(h.join());
2776	<	assertEquals(1, r.invocationCount);
2775	>	assertEquals(null, h1.join());
2776	>	rs[1].assertInvoked();
2777		} catch (CompletionException ok) {
2778	<	checkCompletedWithWrappedCFException(h, ex);
2779	<	assertEquals(0, r.invocationCount);
2778	>	checkCompletedWithWrappedException(h1, ex);
2779	>	rs[1].assertNotInvoked();
2780		}
2781	<
2782	<	checkCompletedWithWrappedCFException(f, ex);
2783	<	checkCompletedNormally(g, v1);
2781	>	try {
2782	>	assertEquals(null, h2.join());
2783	>	rs[2].assertInvoked();
2784	>	} catch (CompletionException ok) {
2785	>	checkCompletedWithWrappedException(h2, ex);
2786	>	rs[2].assertNotInvoked();
2787		}
2788	<	}
2789	<
2790	<	/**
2791	<	* runAfterEither result completes exceptionally if action does
2792	<	*/
2793	<	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);
2788	>	try {
2789	>	assertEquals(null, h3.join());
2790	>	rs[3].assertInvoked();
2791	>	} catch (CompletionException ok) {
2792	>	checkCompletedWithWrappedException(h3, ex);
2793	>	rs[3].assertNotInvoked();
2794		}
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 }) {
2800	–
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);
2795
2806	–	g.complete(v2);
2807	–	checkCompletedWithWrappedCFException(h);
2808	–	f.complete(v1);
2796		checkCompletedNormally(f, v1);
2797	<	checkCompletedNormally(g, v2);
2798	<	}
2812	<	}
2797	>	checkCompletedExceptionally(g, ex);
2798	>	}}
2799
2800		/**
2801		* runAfterEither result completes exceptionally if either source cancelled
2802		*/
2803	<	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() {
2803	>	public void testRunAfterEither_sourceCancelled() {
2804		for (ExecutionMode m : ExecutionMode.values())
2805		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2806	<	for (Integer v1 : new Integer[] { 1, null }) {
2807	<
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	<
2806	>	for (Integer v1 : new Integer[] { 1, null })
2807	>	{
2808		final CompletableFuture<Integer> f = new CompletableFuture<>();
2809		final CompletableFuture<Integer> g = new CompletableFuture<>();
2810	<	final Noop r = new Noop();
2811	<
2868	<	assertTrue(g.cancel(mayInterruptIfRunning));
2869	<	f.complete(v1);
2870	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2810	>	final Noop[] rs = new Noop[6];
2811	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2812
2813	<	// unspecified behavior
2814	<	Integer v;
2813	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2814	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2815	>	checkIncomplete(h0);
2816	>	checkIncomplete(h1);
2817	>	rs[0].assertNotInvoked();
2818	>	rs[1].assertNotInvoked();
2819	>	f.cancel(mayInterruptIfRunning);
2820	>	checkCompletedWithWrappedCancellationException(h0);
2821	>	checkCompletedWithWrappedCancellationException(h1);
2822	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2823	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2824	>	checkCompletedWithWrappedCancellationException(h2);
2825	>	checkCompletedWithWrappedCancellationException(h3);
2826	>
2827	>	assertTrue(g.complete(v1));
2828	>
2829	>	// unspecified behavior - both source completions available
2830	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2831	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2832		try {
2833	<	assertNull(h.join());
2834	<	assertEquals(1, r.invocationCount);
2833	>	assertNull(h4.join());
2834	>	rs[4].assertInvoked();
2835		} catch (CompletionException ok) {
2836	<	checkCompletedWithWrappedCancellationException(h);
2837	<	assertEquals(0, r.invocationCount);
2880	<	}
2881	<
2882	<	checkCancelled(g);
2883	<	checkCompletedNormally(f, v1);
2836	>	checkCompletedWithWrappedCancellationException(h4);
2837	>	rs[4].assertNotInvoked();
2838		}
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;
2839		try {
2840	<	assertNull(h.join());
2841	<	assertEquals(1, r.invocationCount);
2840	>	assertNull(h5.join());
2841	>	rs[5].assertInvoked();
2842		} catch (CompletionException ok) {
2843	<	checkCompletedWithWrappedCancellationException(h);
2844	<	assertEquals(0, r.invocationCount);
2843	>	checkCompletedWithWrappedCancellationException(h5);
2844	>	rs[5].assertNotInvoked();
2845		}
2846
2847		checkCancelled(f);
2848		checkCompletedNormally(g, v1);
2849	<	}
2850	<	}
2849	>	checkCompletedWithWrappedCancellationException(h0);
2850	>	checkCompletedWithWrappedCancellationException(h1);
2851	>	checkCompletedWithWrappedCancellationException(h2);
2852	>	checkCompletedWithWrappedCancellationException(h3);
2853	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2854	>	}}
2855
2856		/**
2857	<	* thenCompose result completes normally after normal completion of source
2857	>	* runAfterEither result completes exceptionally if action does
2858		*/
2859	<	public void testThenCompose_normalCompletion1() {
2859	>	public void testRunAfterEither_actionFailed() {
2860		for (ExecutionMode m : ExecutionMode.values())
2861	<	for (Integer v1 : new Integer[] { 1, null }) {
2862	<
2861	>	for (Integer v1 : new Integer[] { 1, null })
2862	>	for (Integer v2 : new Integer[] { 2, null })
2863	>	{
2864		final CompletableFuture<Integer> f = new CompletableFuture<>();
2865	<	final CompletableFutureInc r = new CompletableFutureInc();
2866	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2867	<	f.complete(v1);
2868	<	checkCompletedNormally(g, inc(v1));
2865	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2866	>	final FailingRunnable[] rs = new FailingRunnable[6];
2867	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2868	>
2869	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2870	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2871	>	assertTrue(f.complete(v1));
2872	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2873	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2874	>	checkCompletedWithWrappedCFException(h0);
2875	>	checkCompletedWithWrappedCFException(h1);
2876	>	checkCompletedWithWrappedCFException(h2);
2877	>	checkCompletedWithWrappedCFException(h3);
2878	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2879	>	assertTrue(g.complete(v2));
2880	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2881	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2882	>	checkCompletedWithWrappedCFException(h4);
2883	>	checkCompletedWithWrappedCFException(h5);
2884	>
2885		checkCompletedNormally(f, v1);
2886	<	assertEquals(1, r.invocationCount);
2887	<	}
2888	<	}
2886	>	checkCompletedNormally(g, v2);
2887	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2888	>	}}
2889
2890	<	public void testThenCompose_normalCompletion2() {
2890	>	/**
2891	>	* thenCompose result completes normally after normal completion of source
2892	>	*/
2893	>	public void testThenCompose_normalCompletion() {
2894		for (ExecutionMode m : ExecutionMode.values())
2895	<	for (Integer v1 : new Integer[] { 1, null }) {
2896	<
2895	>	for (boolean createIncomplete : new boolean[] { true, false })
2896	>	for (Integer v1 : new Integer[] { 1, null })
2897	>	{
2898		final CompletableFuture<Integer> f = new CompletableFuture<>();
2899	<	final CompletableFutureInc r = new CompletableFutureInc();
2900	<	f.complete(v1);
2901	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2899	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2900	>	if (!createIncomplete) assertTrue(f.complete(v1));
2901	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2902	>	if (createIncomplete) assertTrue(f.complete(v1));
2903	>
2904		checkCompletedNormally(g, inc(v1));
2905		checkCompletedNormally(f, v1);
2906	<	assertEquals(1, r.invocationCount);
2907	<	}
2944	<	}
2906	>	r.assertValue(v1);
2907	>	}}
2908
2909		/**
2910		* thenCompose result completes exceptionally after exceptional
2911		* completion of source
2912		*/
2913	<	public void testThenCompose_exceptionalCompletion1() {
2914	<	for (ExecutionMode m : ExecutionMode.values()) {
2915	<
2913	>	public void testThenCompose_exceptionalCompletion() {
2914	>	for (ExecutionMode m : ExecutionMode.values())
2915	>	for (boolean createIncomplete : new boolean[] { true, false })
2916	>	{
2917		final CFException ex = new CFException();
2918	<	final CompletableFutureInc r = new CompletableFutureInc();
2918	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2919		final CompletableFuture<Integer> f = new CompletableFuture<>();
2920	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2921	<	f.completeExceptionally(ex);
2922	<	checkCompletedWithWrappedCFException(g, ex);
2959	<	checkCompletedWithWrappedCFException(f, ex);
2960	<	}
2961	<	}
2962	<
2963	<	public void testThenCompose_exceptionalCompletion2() {
2964	<	for (ExecutionMode m : ExecutionMode.values()) {
2920	>	if (!createIncomplete) f.completeExceptionally(ex);
2921	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2922	>	if (createIncomplete) f.completeExceptionally(ex);
2923
2924	<	final CFException ex = new CFException();
2925	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2926	<	f.completeExceptionally(ex);
2927	<	final CompletableFutureInc r = new CompletableFutureInc();
2970	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2971	<	checkCompletedWithWrappedCFException(g, ex);
2972	<	checkCompletedWithWrappedCFException(f, ex);
2973	<	}
2974	<	}
2924	>	checkCompletedWithWrappedException(g, ex);
2925	>	checkCompletedExceptionally(f, ex);
2926	>	r.assertNotInvoked();
2927	>	}}
2928
2929		/**
2930		* thenCompose result completes exceptionally if action does
2931		*/
2932	<	public void testThenCompose_actionFailed1() {
2932	>	public void testThenCompose_actionFailed() {
2933		for (ExecutionMode m : ExecutionMode.values())
2934	<	for (Integer v1 : new Integer[] { 1, null }) {
2935	<
2934	>	for (boolean createIncomplete : new boolean[] { true, false })
2935	>	for (Integer v1 : new Integer[] { 1, null })
2936	>	{
2937		final CompletableFuture<Integer> f = new CompletableFuture<>();
2938		final FailingCompletableFutureFunction r
2939	<	= new FailingCompletableFutureFunction();
2940	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2941	<	f.complete(v1);
2942	<	checkCompletedWithWrappedCFException(g);
2989	<	checkCompletedNormally(f, v1);
2990	<	}
2991	<	}
2992	<
2993	<	public void testThenCompose_actionFailed2() {
2994	<	for (ExecutionMode m : ExecutionMode.values())
2995	<	for (Integer v1 : new Integer[] { 1, null }) {
2939	>	= new FailingCompletableFutureFunction(m);
2940	>	if (!createIncomplete) assertTrue(f.complete(v1));
2941	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2942	>	if (createIncomplete) assertTrue(f.complete(v1));
2943
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);
2944		checkCompletedWithWrappedCFException(g);
2945		checkCompletedNormally(f, v1);
2946	<	}
3005	<	}
2946	>	}}
2947
2948		/**
2949		* thenCompose result completes exceptionally if source cancelled
2950		*/
2951	<	public void testThenCompose_sourceCancelled1() {
2951	>	public void testThenCompose_sourceCancelled() {
2952		for (ExecutionMode m : ExecutionMode.values())
2953	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
2954	<
2953	>	for (boolean createIncomplete : new boolean[] { true, false })
2954	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2955	>	{
2956		final CompletableFuture<Integer> f = new CompletableFuture<>();
2957	<	final CompletableFutureInc r = new CompletableFutureInc();
2958	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2959	<	assertTrue(f.cancel(mayInterruptIfRunning));
2960	<	checkCompletedWithWrappedCancellationException(g);
2961	<	checkCancelled(f);
2957	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2958	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2959	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2960	>	if (createIncomplete) {
2961	>	checkIncomplete(g);
2962	>	assertTrue(f.cancel(mayInterruptIfRunning));
2963		}
3021	–	}
3022	–
3023	–	public void testThenCompose_sourceCancelled2() {
3024	–	for (ExecutionMode m : ExecutionMode.values())
3025	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
2964
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);
2965		checkCompletedWithWrappedCancellationException(g);
2966		checkCancelled(f);
2967	<	}
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	<	}
2967	>	}}
2968
2969		/**
2970	<	* thenAcceptAsync result completes exceptionally if action does
2970	>	* thenCompose result completes exceptionally if the result of the action does
2971		*/
2972	<	public void testThenAcceptAsync3E() {
2973	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2974	<	FailingConsumer r = new FailingConsumer();
2975	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2976	<	f.complete(null);
2977	<	checkCompletedWithWrappedCFException(g);
2978	<	}
2972	>	public void testThenCompose_actionReturnsFailingFuture() {
2973	>	for (ExecutionMode m : ExecutionMode.values())
2974	>	for (int order = 0; order < 6; order++)
2975	>	for (Integer v1 : new Integer[] { 1, null })
2976	>	{
2977	>	final CFException ex = new CFException();
2978	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2979	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2980	>	final CompletableFuture<Integer> h;
2981	>	// Test all permutations of orders
2982	>	switch (order) {
2983	>	case 0:
2984	>	assertTrue(f.complete(v1));
2985	>	assertTrue(g.completeExceptionally(ex));
2986	>	h = m.thenCompose(f, (x -> g));
2987	>	break;
2988	>	case 1:
2989	>	assertTrue(f.complete(v1));
2990	>	h = m.thenCompose(f, (x -> g));
2991	>	assertTrue(g.completeExceptionally(ex));
2992	>	break;
2993	>	case 2:
2994	>	assertTrue(g.completeExceptionally(ex));
2995	>	assertTrue(f.complete(v1));
2996	>	h = m.thenCompose(f, (x -> g));
2997	>	break;
2998	>	case 3:
2999	>	assertTrue(g.completeExceptionally(ex));
3000	>	h = m.thenCompose(f, (x -> g));
3001	>	assertTrue(f.complete(v1));
3002	>	break;
3003	>	case 4:
3004	>	h = m.thenCompose(f, (x -> g));
3005	>	assertTrue(f.complete(v1));
3006	>	assertTrue(g.completeExceptionally(ex));
3007	>	break;
3008	>	case 5:
3009	>	h = m.thenCompose(f, (x -> g));
3010	>	assertTrue(f.complete(v1));
3011	>	assertTrue(g.completeExceptionally(ex));
3012	>	break;
3013	>	default: throw new AssertionError();
3014	>	}
3015
3016	<	/**
3017	<	* thenAcceptAsync result completes exceptionally if source cancelled
3018	<	*/
3019	<	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	<	}
3016	>	checkCompletedExceptionally(g, ex);
3017	>	checkCompletedWithWrappedException(h, ex);
3018	>	checkCompletedNormally(f, v1);
3019	>	}}
3020
3021		// other static methods
3022
#	Line 3343 | Line 3034 | public class CompletableFutureTest exten
3034		* when all components complete normally
3035		*/
3036		public void testAllOf_normal() throws Exception {
3037	<	for (int k = 1; k < 20; ++k) {
3038	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3039	<	for (int i = 0; i < k; ++i)
3037	>	for (int k = 1; k < 10; k++) {
3038	>	CompletableFuture<Integer>[] fs
3039	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3040	>	for (int i = 0; i < k; i++)
3041	>	fs[i] = new CompletableFuture<>();
3042	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3043	>	for (int i = 0; i < k; i++) {
3044	>	checkIncomplete(f);
3045	>	checkIncomplete(CompletableFuture.allOf(fs));
3046	>	fs[i].complete(one);
3047	>	}
3048	>	checkCompletedNormally(f, null);
3049	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3050	>	}
3051	>	}
3052	>
3053	>	public void testAllOf_backwards() throws Exception {
3054	>	for (int k = 1; k < 10; k++) {
3055	>	CompletableFuture<Integer>[] fs
3056	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3057	>	for (int i = 0; i < k; i++)
3058		fs[i] = new CompletableFuture<>();
3059		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3060	<	for (int i = 0; i < k; ++i) {
3060	>	for (int i = k - 1; i >= 0; i--) {
3061		checkIncomplete(f);
3062		checkIncomplete(CompletableFuture.allOf(fs));
3063		fs[i].complete(one);
#	Line 3358 | Line 3067 | public class CompletableFutureTest exten
3067		}
3068		}
3069
3070	+	public void testAllOf_exceptional() throws Exception {
3071	+	for (int k = 1; k < 10; k++) {
3072	+	CompletableFuture<Integer>[] fs
3073	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3074	+	CFException ex = new CFException();
3075	+	for (int i = 0; i < k; i++)
3076	+	fs[i] = new CompletableFuture<>();
3077	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3078	+	for (int i = 0; i < k; i++) {
3079	+	checkIncomplete(f);
3080	+	checkIncomplete(CompletableFuture.allOf(fs));
3081	+	if (i != k / 2) {
3082	+	fs[i].complete(i);
3083	+	checkCompletedNormally(fs[i], i);
3084	+	} else {
3085	+	fs[i].completeExceptionally(ex);
3086	+	checkCompletedExceptionally(fs[i], ex);
3087	+	}
3088	+	}
3089	+	checkCompletedWithWrappedException(f, ex);
3090	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3091	+	}
3092	+	}
3093	+
3094		/**
3095		* anyOf(no component futures) returns an incomplete future
3096		*/
3097		public void testAnyOf_empty() throws Exception {
3098	+	for (Integer v1 : new Integer[] { 1, null })
3099	+	{
3100		CompletableFuture<Object> f = CompletableFuture.anyOf();
3101		checkIncomplete(f);
3102	<	}
3102	>
3103	>	f.complete(v1);
3104	>	checkCompletedNormally(f, v1);
3105	>	}}
3106
3107		/**
3108		* anyOf returns a future completed normally with a value when
3109		* a component future does
3110		*/
3111		public void testAnyOf_normal() throws Exception {
3112	<	for (int k = 0; k < 10; ++k) {
3112	>	for (int k = 0; k < 10; k++) {
3113		CompletableFuture[] fs = new CompletableFuture[k];
3114	<	for (int i = 0; i < k; ++i)
3114	>	for (int i = 0; i < k; i++)
3115		fs[i] = new CompletableFuture<>();
3116		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3117		checkIncomplete(f);
3118	<	for (int i = 0; i < k; ++i) {
3119	<	fs[i].complete(one);
3120	<	checkCompletedNormally(f, one);
3121	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3118	>	for (int i = 0; i < k; i++) {
3119	>	fs[i].complete(i);
3120	>	checkCompletedNormally(f, 0);
3121	>	int x = (int) CompletableFuture.anyOf(fs).join();
3122	>	assertTrue(0 <= x && x <= i);
3123	>	}
3124	>	}
3125	>	}
3126	>	public void testAnyOf_normal_backwards() throws Exception {
3127	>	for (int k = 0; k < 10; k++) {
3128	>	CompletableFuture[] fs = new CompletableFuture[k];
3129	>	for (int i = 0; i < k; i++)
3130	>	fs[i] = new CompletableFuture<>();
3131	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3132	>	checkIncomplete(f);
3133	>	for (int i = k - 1; i >= 0; i--) {
3134	>	fs[i].complete(i);
3135	>	checkCompletedNormally(f, k - 1);
3136	>	int x = (int) CompletableFuture.anyOf(fs).join();
3137	>	assertTrue(i <= x && x <= k - 1);
3138		}
3139		}
3140		}
#	Line 3389 | Line 3143 | public class CompletableFutureTest exten
3143		* anyOf result completes exceptionally when any component does.
3144		*/
3145		public void testAnyOf_exceptional() throws Exception {
3146	<	for (int k = 0; k < 10; ++k) {
3146	>	for (int k = 0; k < 10; k++) {
3147		CompletableFuture[] fs = new CompletableFuture[k];
3148	<	for (int i = 0; i < k; ++i)
3148	>	CFException[] exs = new CFException[k];
3149	>	for (int i = 0; i < k; i++) {
3150		fs[i] = new CompletableFuture<>();
3151	+	exs[i] = new CFException();
3152	+	}
3153		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3154		checkIncomplete(f);
3155	<	for (int i = 0; i < k; ++i) {
3156	<	fs[i].completeExceptionally(new CFException());
3157	<	checkCompletedWithWrappedCFException(f);
3155	>	for (int i = 0; i < k; i++) {
3156	>	fs[i].completeExceptionally(exs[i]);
3157	>	checkCompletedWithWrappedException(f, exs[0]);
3158	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3159	>	}
3160	>	}
3161	>	}
3162	>
3163	>	public void testAnyOf_exceptional_backwards() throws Exception {
3164	>	for (int k = 0; k < 10; k++) {
3165	>	CompletableFuture[] fs = new CompletableFuture[k];
3166	>	CFException[] exs = new CFException[k];
3167	>	for (int i = 0; i < k; i++) {
3168	>	fs[i] = new CompletableFuture<>();
3169	>	exs[i] = new CFException();
3170	>	}
3171	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3172	>	checkIncomplete(f);
3173	>	for (int i = k - 1; i >= 0; i--) {
3174	>	fs[i].completeExceptionally(exs[i]);
3175	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3176		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3177		}
3178		}
#	Line 3410 | Line 3185 | public class CompletableFutureTest exten
3185		CompletableFuture<Integer> f = new CompletableFuture<>();
3186		CompletableFuture<Integer> g = new CompletableFuture<>();
3187		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3413	–	CompletableFuture<?> h;
3188		ThreadExecutor exec = new ThreadExecutor();
3189
3190		Runnable[] throwingActions = {
3191		() -> CompletableFuture.supplyAsync(null),
3192		() -> CompletableFuture.supplyAsync(null, exec),
3193	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3193	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3194
3195		() -> CompletableFuture.runAsync(null),
3196		() -> CompletableFuture.runAsync(null, exec),
#	Line 3489 | Line 3263 | public class CompletableFutureTest exten
3263
3264		() -> f.thenCompose(null),
3265		() -> f.thenComposeAsync(null),
3266	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3266	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3267		() -> f.thenComposeAsync(null, exec),
3268
3269		() -> f.exceptionally(null),
#	Line 3507 | Line 3281 | public class CompletableFutureTest exten
3281		() -> CompletableFuture.anyOf(null, f),
3282
3283		() -> f.obtrudeException(null),
3284	+
3285	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3286	+	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3287	+	() -> CompletableFuture.delayedExecutor(1L, null),
3288	+
3289	+	() -> f.orTimeout(1L, null),
3290	+	() -> f.completeOnTimeout(42, 1L, null),
3291	+
3292	+	() -> CompletableFuture.failedFuture(null),
3293	+	() -> CompletableFuture.failedStage(null),
3294		};
3295
3296		assertThrows(NullPointerException.class, throwingActions);
#	Line 3521 | Line 3305 | public class CompletableFutureTest exten
3305		assertSame(f, f.toCompletableFuture());
3306		}
3307
3308	+	// jdk9
3309	+
3310		/**
3311	<	* whenComplete action executes on normal completion, propagating
3526	<	* source result.
3311	>	* newIncompleteFuture returns an incomplete CompletableFuture
3312		*/
3313	<	public void testWhenComplete_normalCompletion1() {
3529	<	for (ExecutionMode m : ExecutionMode.values())
3530	<	for (boolean createIncomplete : new boolean[] { true, false })
3313	>	public void testNewIncompleteFuture() {
3314		for (Integer v1 : new Integer[] { 1, null })
3315		{
3316	<	final AtomicInteger a = new AtomicInteger(0);
3317	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3318	<	if (!createIncomplete) f.complete(v1);
3319	<	final CompletableFuture<Integer> g = m.whenComplete
3320	<	(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);
3316	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3317	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3318	>	checkIncomplete(f);
3319	>	checkIncomplete(g);
3320	>	f.complete(v1);
3321		checkCompletedNormally(f, v1);
3322	<	assertEquals(1, a.get());
3322	>	checkIncomplete(g);
3323	>	g.complete(v1);
3324	>	checkCompletedNormally(g, v1);
3325	>	assertSame(g.getClass(), CompletableFuture.class);
3326		}}
3327
3328		/**
3329	<	* whenComplete action executes on exceptional completion, propagating
3552	<	* source result.
3329	>	* completedStage returns a completed CompletionStage
3330		*/
3331	<	public void testWhenComplete_exceptionalCompletion() {
3332	<	for (ExecutionMode m : ExecutionMode.values())
3333	<	for (boolean createIncomplete : new boolean[] { true, false })
3331	>	public void testCompletedStage() {
3332	>	AtomicInteger x = new AtomicInteger(0);
3333	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3334	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3335	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3336	>	assertEquals(x.get(), 1);
3337	>	assertNull(r.get());
3338	>	}
3339	>
3340	>	/**
3341	>	* defaultExecutor by default returns the commonPool if
3342	>	* it supports more than one thread.
3343	>	*/
3344	>	public void testDefaultExecutor() {
3345	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3346	>	Executor e = f.defaultExecutor();
3347	>	Executor c = ForkJoinPool.commonPool();
3348	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3349	>	assertSame(e, c);
3350	>	else
3351	>	assertNotSame(e, c);
3352	>	}
3353	>
3354	>	/**
3355	>	* failedFuture returns a CompletableFuture completed
3356	>	* exceptionally with the given Exception
3357	>	*/
3358	>	public void testFailedFuture() {
3359	>	CFException ex = new CFException();
3360	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3361	>	checkCompletedExceptionally(f, ex);
3362	>	}
3363	>
3364	>	/**
3365	>	* failedFuture(null) throws NPE
3366	>	*/
3367	>	public void testFailedFuture_null() {
3368	>	try {
3369	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3370	>	shouldThrow();
3371	>	} catch (NullPointerException success) {}
3372	>	}
3373	>
3374	>	/**
3375	>	* copy returns a CompletableFuture that is completed normally,
3376	>	* with the same value, when source is.
3377	>	*/
3378	>	public void testCopy() {
3379	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3380	>	CompletableFuture<Integer> g = f.copy();
3381	>	checkIncomplete(f);
3382	>	checkIncomplete(g);
3383	>	f.complete(1);
3384	>	checkCompletedNormally(f, 1);
3385	>	checkCompletedNormally(g, 1);
3386	>	}
3387	>
3388	>	/**
3389	>	* copy returns a CompletableFuture that is completed exceptionally
3390	>	* when source is.
3391	>	*/
3392	>	public void testCopy2() {
3393	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3394	>	CompletableFuture<Integer> g = f.copy();
3395	>	checkIncomplete(f);
3396	>	checkIncomplete(g);
3397	>	CFException ex = new CFException();
3398	>	f.completeExceptionally(ex);
3399	>	checkCompletedExceptionally(f, ex);
3400	>	checkCompletedWithWrappedException(g, ex);
3401	>	}
3402	>
3403	>	/**
3404	>	* minimalCompletionStage returns a CompletableFuture that is
3405	>	* completed normally, with the same value, when source is.
3406	>	*/
3407	>	public void testMinimalCompletionStage() {
3408	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3409	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3410	>	AtomicInteger x = new AtomicInteger(0);
3411	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3412	>	checkIncomplete(f);
3413	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3414	>	f.complete(1);
3415	>	checkCompletedNormally(f, 1);
3416	>	assertEquals(x.get(), 1);
3417	>	assertNull(r.get());
3418	>	}
3419	>
3420	>	/**
3421	>	* minimalCompletionStage returns a CompletableFuture that is
3422	>	* completed exceptionally when source is.
3423	>	*/
3424	>	public void testMinimalCompletionStage2() {
3425	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3426	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3427	>	AtomicInteger x = new AtomicInteger(0);
3428	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3429	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3430	>	checkIncomplete(f);
3431	>	CFException ex = new CFException();
3432	>	f.completeExceptionally(ex);
3433	>	checkCompletedExceptionally(f, ex);
3434	>	assertEquals(x.get(), 0);
3435	>	assertEquals(r.get().getCause(), ex);
3436	>	}
3437	>
3438	>	/**
3439	>	* failedStage returns a CompletionStage completed
3440	>	* exceptionally with the given Exception
3441	>	*/
3442	>	public void testFailedStage() {
3443	>	CFException ex = new CFException();
3444	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3445	>	AtomicInteger x = new AtomicInteger(0);
3446	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3447	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3448	>	assertEquals(x.get(), 0);
3449	>	assertEquals(r.get(), ex);
3450	>	}
3451	>
3452	>	/**
3453	>	* completeAsync completes with value of given supplier
3454	>	*/
3455	>	public void testCompleteAsync() {
3456		for (Integer v1 : new Integer[] { 1, null })
3457		{
3458	<	final AtomicInteger a = new AtomicInteger(0);
3459	<	final CFException ex = new CFException();
3460	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3461	<	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());
3458	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3459	>	f.completeAsync(() -> v1);
3460	>	f.join();
3461	>	checkCompletedNormally(f, v1);
3462		}}
3463
3464		/**
3465	<	* whenComplete action executes on cancelled source, propagating
3578	<	* CancellationException.
3465	>	* completeAsync completes exceptionally if given supplier throws
3466		*/
3467	<	public void testWhenComplete_sourceCancelled() {
3468	<	for (ExecutionMode m : ExecutionMode.values())
3469	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3470	<	for (boolean createIncomplete : new boolean[] { true, false })
3471	<	{
3472	<	final AtomicInteger a = new AtomicInteger(0);
3473	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3474	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3475	<	final CompletableFuture<Integer> g = m.whenComplete
3476	<	(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));
3467	>	public void testCompleteAsync2() {
3468	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3469	>	CFException ex = new CFException();
3470	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3471	>	try {
3472	>	f.join();
3473	>	shouldThrow();
3474	>	} catch (CompletionException success) {}
3475	>	checkCompletedWithWrappedException(f, ex);
3476	>	}
3477
3478	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3479	<	checkCompletedWithWrappedCancellationException(g);
3480	<	checkCancelled(f);
3481	<	assertEquals(1, a.get());
3478	>	/**
3479	>	* completeAsync with given executor completes with value of given supplier
3480	>	*/
3481	>	public void testCompleteAsync3() {
3482	>	for (Integer v1 : new Integer[] { 1, null })
3483	>	{
3484	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3485	>	ThreadExecutor executor = new ThreadExecutor();
3486	>	f.completeAsync(() -> v1, executor);
3487	>	assertSame(v1, f.join());
3488	>	checkCompletedNormally(f, v1);
3489	>	assertEquals(1, executor.count.get());
3490		}}
3491
3492		/**
3493	<	* If a whenComplete action throws an exception when triggered by
3494	<	* a normal completion, it completes exceptionally
3493	>	* completeAsync with given executor completes exceptionally if
3494	>	* given supplier throws
3495		*/
3496	<	public void testWhenComplete_actionFailed() {
3497	<	for (boolean createIncomplete : new boolean[] { true, false })
3498	<	for (ExecutionMode m : ExecutionMode.values())
3499	<	for (Integer v1 : new Integer[] { 1, null }) {
3496	>	public void testCompleteAsync4() {
3497	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3498	>	CFException ex = new CFException();
3499	>	ThreadExecutor executor = new ThreadExecutor();
3500	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3501	>	try {
3502	>	f.join();
3503	>	shouldThrow();
3504	>	} catch (CompletionException success) {}
3505	>	checkCompletedWithWrappedException(f, ex);
3506	>	assertEquals(1, executor.count.get());
3507	>	}
3508
3509	<	final AtomicInteger a = new AtomicInteger(0);
3510	<	final CFException ex = new CFException();
3511	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3512	<	if (!createIncomplete) f.complete(v1);
3513	<	final CompletableFuture<Integer> g = m.whenComplete
3514	<	(f,
3515	<	(Integer x, Throwable t) -> {
3516	<	threadAssertSame(x, v1);
3517	<	threadAssertNull(t);
3518	<	a.getAndIncrement();
3519	<	throw ex;
3520	<	});
3521	<	if (createIncomplete) f.complete(v1);
3509	>	/**
3510	>	* orTimeout completes with TimeoutException if not complete
3511	>	*/
3512	>	public void testOrTimeout_timesOut() {
3513	>	long timeoutMillis = timeoutMillis();
3514	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3515	>	long startTime = System.nanoTime();
3516	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3517	>	checkCompletedWithTimeoutException(f);
3518	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3519	>	}
3520	>
3521	>	/**
3522	>	* orTimeout completes normally if completed before timeout
3523	>	*/
3524	>	public void testOrTimeout_completed() {
3525	>	for (Integer v1 : new Integer[] { 1, null })
3526	>	{
3527	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3528	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3529	>	long startTime = System.nanoTime();
3530	>	f.complete(v1);
3531	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3532	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3533	>	g.complete(v1);
3534		checkCompletedNormally(f, v1);
3535	<	checkCompletedWithWrappedCFException(g, ex);
3536	<	assertEquals(1, a.get());
3537	<	}
3535	>	checkCompletedNormally(g, v1);
3536	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3537	>	}}
3538	>
3539	>	/**
3540	>	* completeOnTimeout completes with given value if not complete
3541	>	*/
3542	>	public void testCompleteOnTimeout_timesOut() {
3543	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3544	>	() -> testCompleteOnTimeout_timesOut(null));
3545	>	}
3546	>
3547	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3548	>	long timeoutMillis = timeoutMillis();
3549	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3550	>	long startTime = System.nanoTime();
3551	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3552	>	assertSame(v, f.join());
3553	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3554	>	f.complete(99);         // should have no effect
3555	>	checkCompletedNormally(f, v);
3556		}
3557
3558		/**
3559	<	* 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.
3559	>	* completeOnTimeout has no effect if completed within timeout
3560		*/
3561	<	public void testWhenComplete_actionFailedSourceFailed() {
3562	<	for (boolean createIncomplete : new boolean[] { true, false })
3561	>	public void testCompleteOnTimeout_completed() {
3562	>	for (Integer v1 : new Integer[] { 1, null })
3563	>	{
3564	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3565	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3566	>	long startTime = System.nanoTime();
3567	>	f.complete(v1);
3568	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3569	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3570	>	g.complete(v1);
3571	>	checkCompletedNormally(f, v1);
3572	>	checkCompletedNormally(g, v1);
3573	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3574	>	}}
3575	>
3576	>	/**
3577	>	* delayedExecutor returns an executor that delays submission
3578	>	*/
3579	>	public void testDelayedExecutor() {
3580	>	testInParallel(() -> testDelayedExecutor(null, null),
3581	>	() -> testDelayedExecutor(null, 1),
3582	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3583	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3584	>	}
3585	>
3586	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3587	>	long timeoutMillis = timeoutMillis();
3588	>	// Use an "unreasonably long" long timeout to catch lingering threads
3589	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3590	>	final Executor delayer, longDelayer;
3591	>	if (executor == null) {
3592	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3593	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3594	>	} else {
3595	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3596	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3597	>	}
3598	>	long startTime = System.nanoTime();
3599	>	CompletableFuture<Integer> f =
3600	>	CompletableFuture.supplyAsync(() -> v, delayer);
3601	>	CompletableFuture<Integer> g =
3602	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3603	>
3604	>	assertNull(g.getNow(null));
3605	>
3606	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3607	>	long millisElapsed = millisElapsedSince(startTime);
3608	>	assertTrue(millisElapsed >= timeoutMillis);
3609	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3610	>
3611	>	checkCompletedNormally(f, v);
3612	>
3613	>	checkIncomplete(g);
3614	>	assertTrue(g.cancel(true));
3615	>	}
3616	>
3617	>	//--- tests of implementation details; not part of official tck ---
3618	>
3619	>	Object resultOf(CompletableFuture<?> f) {
3620	>	try {
3621	>	java.lang.reflect.Field resultField
3622	>	= CompletableFuture.class.getDeclaredField("result");
3623	>	resultField.setAccessible(true);
3624	>	return resultField.get(f);
3625	>	} catch (Throwable t) { throw new AssertionError(t); }
3626	>	}
3627	>
3628	>	public void testExceptionPropagationReusesResultObject() {
3629	>	if (!testImplementationDetails) return;
3630		for (ExecutionMode m : ExecutionMode.values())
3631	<	for (Integer v1 : new Integer[] { 1, null }) {
3631	>	{
3632	>	final CFException ex = new CFException();
3633	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3634	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3635
3636	<	final AtomicInteger a = new AtomicInteger(0);
3637	<	final CFException ex1 = new CFException();
3643	<	final CFException ex2 = new CFException();
3644	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3636	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3637	>	= new ArrayList<>();
3638
3639	<	if (!createIncomplete) f.completeExceptionally(ex1);
3640	<	final CompletableFuture<Integer> g = m.whenComplete
3641	<	(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);
3639	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3640	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3641	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3642
3643	<	checkCompletedWithWrappedCFException(f, ex1);
3644	<	checkCompletedWithWrappedCFException(g, ex1);
3645	<	assertEquals(1, a.get());
3643	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3644	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3645	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3646	>
3647	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3648	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3649	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3650	>
3651	>	funs.add((y) -> m.whenComplete(y, (Integer x, Throwable t) -> {}));
3652	>
3653	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3654	>
3655	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3656	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3657	>
3658	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3659	>	fun : funs) {
3660	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3661	>	f.completeExceptionally(ex);
3662	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3663	>	checkCompletedWithWrappedException(src, ex);
3664	>	CompletableFuture<?> dep = fun.apply(src);
3665	>	checkCompletedWithWrappedException(dep, ex);
3666	>	assertSame(resultOf(src), resultOf(dep));
3667		}
3668	<	}
3668	>
3669	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3670	>	fun : funs) {
3671	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3672	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3673	>	CompletableFuture<?> dep = fun.apply(src);
3674	>	f.completeExceptionally(ex);
3675	>	checkCompletedWithWrappedException(src, ex);
3676	>	checkCompletedWithWrappedException(dep, ex);
3677	>	assertSame(resultOf(src), resultOf(dep));
3678	>	}
3679	>
3680	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3681	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3682	>	fun : funs) {
3683	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3684	>	f.cancel(mayInterruptIfRunning);
3685	>	checkCancelled(f);
3686	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3687	>	checkCompletedWithWrappedCancellationException(src);
3688	>	CompletableFuture<?> dep = fun.apply(src);
3689	>	checkCompletedWithWrappedCancellationException(dep);
3690	>	assertSame(resultOf(src), resultOf(dep));
3691	>	}
3692	>
3693	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3694	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3695	>	fun : funs) {
3696	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3697	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3698	>	CompletableFuture<?> dep = fun.apply(src);
3699	>	f.cancel(mayInterruptIfRunning);
3700	>	checkCancelled(f);
3701	>	checkCompletedWithWrappedCancellationException(src);
3702	>	checkCompletedWithWrappedCancellationException(dep);
3703	>	assertSame(resultOf(src), resultOf(dep));
3704	>	}
3705	>	}}
3706	>
3707	>	/**
3708	>	* Minimal completion stages throw UOE for all non-CompletionStage methods
3709	>	*/
3710	>	public void testMinimalCompletionStage_minimality() {
3711	>	if (!testImplementationDetails) return;
3712	>	Function<Method, String> toSignature =
3713	>	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3714	>	Predicate<Method> isNotStatic =
3715	>	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3716	>	List<Method> minimalMethods =
3717	>	Stream.of(Object.class, CompletionStage.class)
3718	>	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3719	>	.filter(isNotStatic)
3720	>	.collect(Collectors.toList());
3721	>	// Methods from CompletableFuture permitted NOT to throw UOE
3722	>	String[] signatureWhitelist = {
3723	>	"newIncompleteFuture[]",
3724	>	"defaultExecutor[]",
3725	>	"minimalCompletionStage[]",
3726	>	"copy[]",
3727	>	};
3728	>	Set<String> permittedMethodSignatures =
3729	>	Stream.concat(minimalMethods.stream().map(toSignature),
3730	>	Stream.of(signatureWhitelist))
3731	>	.collect(Collectors.toSet());
3732	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3733	>	.filter(isNotStatic)
3734	>	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3735	>	.collect(Collectors.toList());
3736	>
3737	>	CompletionStage<Integer> minimalStage =
3738	>	new CompletableFuture<Integer>().minimalCompletionStage();
3739	>
3740	>	List<Method> bugs = new ArrayList<>();
3741	>	for (Method method : allMethods) {
3742	>	Class<?>[] parameterTypes = method.getParameterTypes();
3743	>	Object[] args = new Object[parameterTypes.length];
3744	>	// Manufacture boxed primitives for primitive params
3745	>	for (int i = 0; i < args.length; i++) {
3746	>	Class<?> type = parameterTypes[i];
3747	>	if (parameterTypes[i] == boolean.class)
3748	>	args[i] = false;
3749	>	else if (parameterTypes[i] == int.class)
3750	>	args[i] = 0;
3751	>	else if (parameterTypes[i] == long.class)
3752	>	args[i] = 0L;
3753	>	}
3754	>	try {
3755	>	method.invoke(minimalStage, args);
3756	>	bugs.add(method);
3757	>	}
3758	>	catch (java.lang.reflect.InvocationTargetException expected) {
3759	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3760	>	bugs.add(method);
3761	>	// expected.getCause().printStackTrace();
3762	>	}
3763	>	}
3764	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3765	>	}
3766	>	if (!bugs.isEmpty())
3767	>	throw new Error("Methods did not throw UOE: " + bugs.toString());
3768	>	}
3769	>
3770	>	static class Monad {
3771	>	static class ZeroException extends RuntimeException {
3772	>	public ZeroException() { super("monadic zero"); }
3773	>	}
3774	>	// "return", "unit"
3775	>	static <T> CompletableFuture<T> unit(T value) {
3776	>	return completedFuture(value);
3777	>	}
3778	>	// monadic zero ?
3779	>	static <T> CompletableFuture<T> zero() {
3780	>	return failedFuture(new ZeroException());
3781	>	}
3782	>	// >=>
3783	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
3784	>	(Function<T, CompletableFuture<U>> f,
3785	>	Function<U, CompletableFuture<V>> g) {
3786	>	return (x) -> f.apply(x).thenCompose(g);
3787	>	}
3788	>
3789	>	static void assertZero(CompletableFuture<?> f) {
3790	>	try {
3791	>	f.getNow(null);
3792	>	throw new AssertionFailedError("should throw");
3793	>	} catch (CompletionException success) {
3794	>	assertTrue(success.getCause() instanceof ZeroException);
3795	>	}
3796	>	}
3797	>
3798	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
3799	>	CompletableFuture<T> g) {
3800	>	T fval = null, gval = null;
3801	>	Throwable fex = null, gex = null;
3802	>
3803	>	try { fval = f.get(); }
3804	>	catch (ExecutionException ex) { fex = ex.getCause(); }
3805	>	catch (Throwable ex) { fex = ex; }
3806	>
3807	>	try { gval = g.get(); }
3808	>	catch (ExecutionException ex) { gex = ex.getCause(); }
3809	>	catch (Throwable ex) { gex = ex; }
3810	>
3811	>	if (fex != null || gex != null)
3812	>	assertSame(fex.getClass(), gex.getClass());
3813	>	else
3814	>	assertEquals(fval, gval);
3815	>	}
3816	>
3817	>	static class PlusFuture<T> extends CompletableFuture<T> {
3818	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3819	>	}
3820	>
3821	>	// Monadic "plus"
3822	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3823	>	CompletableFuture<? extends T> g) {
3824	>	PlusFuture<T> plus = new PlusFuture<T>();
3825	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3826	>	if (ex == null) {
3827	>	if (plus.complete(result))
3828	>	if (plus.firstFailure.get() != null)
3829	>	plus.firstFailure.set(null);
3830	>	}
3831	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
3832	>	if (plus.isDone())
3833	>	plus.firstFailure.set(null);
3834	>	}
3835	>	else {
3836	>	// first failure has precedence
3837	>	Throwable first = plus.firstFailure.getAndSet(null);
3838	>
3839	>	// may fail with "Self-suppression not permitted"
3840	>	try { first.addSuppressed(ex); }
3841	>	catch (Exception ignored) {}
3842	>
3843	>	plus.completeExceptionally(first);
3844	>	}
3845	>	};
3846	>	f.whenComplete(action);
3847	>	g.whenComplete(action);
3848	>	return plus;
3849	>	}
3850	>	}
3851	>
3852	>	/**
3853	>	* CompletableFuture is an additive monad - sort of.
3854	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3855	>	*/
3856	>	public void testAdditiveMonad() throws Throwable {
3857	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3858	>	CompletableFuture<Long> zero = Monad.zero();
3859	>
3860	>	// Some mutually non-commutative functions
3861	>	Function<Long, CompletableFuture<Long>> triple
3862	>	= (x) -> Monad.unit(3 * x);
3863	>	Function<Long, CompletableFuture<Long>> inc
3864	>	= (x) -> Monad.unit(x + 1);
3865	>
3866	>	// unit is a right identity: m >>= unit === m
3867	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3868	>	inc.apply(5L));
3869	>	// unit is a left identity: (unit x) >>= f === f x
3870	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3871	>	inc.apply(5L));
3872	>
3873	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3874	>	Monad.assertFutureEquals(
3875	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3876	>	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3877	>
3878	>	// The case for CompletableFuture as an additive monad is weaker...
3879	>
3880	>	// zero is a monadic zero
3881	>	Monad.assertZero(zero);
3882	>
3883	>	// left zero: zero >>= f === zero
3884	>	Monad.assertZero(zero.thenCompose(inc));
3885	>	// right zero: f >>= (\x -> zero) === zero
3886	>	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3887	>
3888	>	// f plus zero === f
3889	>	Monad.assertFutureEquals(Monad.unit(5L),
3890	>	Monad.plus(Monad.unit(5L), zero));
3891	>	// zero plus f === f
3892	>	Monad.assertFutureEquals(Monad.unit(5L),
3893	>	Monad.plus(zero, Monad.unit(5L)));
3894	>	// zero plus zero === zero
3895	>	Monad.assertZero(Monad.plus(zero, zero));
3896	>	{
3897	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3898	>	Monad.unit(8L));
3899	>	// non-determinism
3900	>	assertTrue(f.get() == 5L || f.get() == 8L);
3901	>	}
3902	>
3903	>	CompletableFuture<Long> godot = new CompletableFuture<>();
3904	>	// f plus godot === f (doesn't wait for godot)
3905	>	Monad.assertFutureEquals(Monad.unit(5L),
3906	>	Monad.plus(Monad.unit(5L), godot));
3907	>	// godot plus f === f (doesn't wait for godot)
3908	>	Monad.assertFutureEquals(Monad.unit(5L),
3909	>	Monad.plus(godot, Monad.unit(5L)));
3910	>	}
3911	>
3912	>	//     static <U> U join(CompletionStage<U> stage) {
3913	>	//         CompletableFuture<U> f = new CompletableFuture<>();
3914	>	//         stage.whenComplete((v, ex) -> {
3915	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3916	>	//         });
3917	>	//         return f.join();
3918	>	//     }
3919	>
3920	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
3921	>	//         CompletableFuture<U> f = new CompletableFuture<>();
3922	>	//         stage.whenComplete((v, ex) -> {
3923	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3924	>	//         });
3925	>	//         return f.isDone();
3926	>	//     }
3927	>
3928	>	//     static <U> U join2(CompletionStage<U> stage) {
3929	>	//         return stage.toCompletableFuture().copy().join();
3930	>	//     }
3931	>
3932	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3933	>	//         return stage.toCompletableFuture().copy().isDone();
3934	>	//     }
3935
3936		}

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