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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 1.143 by jsr166, Sun Apr 3 17:09:46 2016 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33		import java.util.concurrent.TimeoutException;
34	+	import java.util.concurrent.TimeUnit;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
23	<	import static java.util.concurrent.TimeUnit.SECONDS;
24	<	import java.util.*;
25	<	import java.util.function.Supplier;
26	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
28	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.AssertionFailedError;
45	+	import junit.framework.Test;
46	+	import junit.framework.TestSuite;
47
48		public class CompletableFutureTest extends JSR166TestCase {
49
50		public static void main(String[] args) {
51	<	junit.textui.TestRunner.run(suite());
51	>	main(suite(), args);
52		}
53		public static Test suite() {
54		return new TestSuite(CompletableFutureTest.class);
#	Line 42 | Line 59 | public class CompletableFutureTest exten
59		void checkIncomplete(CompletableFuture<?> f) {
60		assertFalse(f.isDone());
61		assertFalse(f.isCancelled());
62	<	assertTrue(f.toString().contains("[Not completed]"));
62	>	assertTrue(f.toString().contains("Not completed"));
63		try {
64		assertNull(f.getNow(null));
65		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 55 | Line 72 | public class CompletableFutureTest exten
72		}
73
74		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
75	<	try {
76	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
60	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 73 | Line 89 | public class CompletableFutureTest exten
89		assertTrue(f.toString().contains("[Completed normally]"));
90		}
91
92	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
93	<	try {
94	<	f.get(LONG_DELAY_MS, MILLISECONDS);
95	<	shouldThrow();
96	<	} catch (ExecutionException success) {
97	<	assertTrue(success.getCause() instanceof CFException);
98	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
99	<	try {
100	<	f.join();
101	<	shouldThrow();
102	<	} catch (CompletionException success) {
103	<	assertTrue(success.getCause() instanceof CFException);
104	<	}
105	<	try {
106	<	f.getNow(null);
107	<	shouldThrow();
108	<	} catch (CompletionException success) {
93	<	assertTrue(success.getCause() instanceof CFException);
92	>	/**
93	>	* Returns the "raw" internal exceptional completion of f,
94	>	* without any additional wrapping with CompletionException.
95	>	*/
96	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
97	>	// handle (and whenComplete) can distinguish between "direct"
98	>	// and "wrapped" exceptional completion
99	>	return f.handle((U u, Throwable t) -> t).join();
100	>	}
101	>
102	>	void checkCompletedExceptionally(CompletableFuture<?> f,
103	>	boolean wrapped,
104	>	Consumer<Throwable> checker) {
105	>	Throwable cause = exceptionalCompletion(f);
106	>	if (wrapped) {
107	>	assertTrue(cause instanceof CompletionException);
108	>	cause = cause.getCause();
109		}
110	<	try {
96	<	f.get();
97	<	shouldThrow();
98	<	} catch (ExecutionException success) {
99	<	assertTrue(success.getCause() instanceof CFException);
100	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
101	<	assertTrue(f.isDone());
102	<	assertFalse(f.isCancelled());
103	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
104	<	}
110	>	checker.accept(cause);
111
112	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
107	<	CFException ex) {
112	>	long startTime = System.nanoTime();
113		try {
114		f.get(LONG_DELAY_MS, MILLISECONDS);
115		shouldThrow();
116		} catch (ExecutionException success) {
117	<	assertSame(ex, success.getCause());
117	>	assertSame(cause, success.getCause());
118		} catch (Throwable fail) { threadUnexpectedException(fail); }
119	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
120	+
121		try {
122		f.join();
123		shouldThrow();
124		} catch (CompletionException success) {
125	<	assertSame(ex, success.getCause());
126	<	}
125	>	assertSame(cause, success.getCause());
126	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
127	>
128		try {
129		f.getNow(null);
130		shouldThrow();
131		} catch (CompletionException success) {
132	<	assertSame(ex, success.getCause());
133	<	}
132	>	assertSame(cause, success.getCause());
133	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
134	>
135		try {
136		f.get();
137		shouldThrow();
138		} catch (ExecutionException success) {
139	<	assertSame(ex, success.getCause());
139	>	assertSame(cause, success.getCause());
140		} catch (Throwable fail) { threadUnexpectedException(fail); }
141	<	assertTrue(f.isDone());
141	>
142		assertFalse(f.isCancelled());
143	+	assertTrue(f.isDone());
144	+	assertTrue(f.isCompletedExceptionally());
145		assertTrue(f.toString().contains("[Completed exceptionally]"));
146		}
147
148	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
149	+	checkCompletedExceptionally(f, true,
150	+	(t) -> assertTrue(t instanceof CFException));
151	+	}
152	+
153	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
154	+	checkCompletedExceptionally(f, true,
155	+	(t) -> assertTrue(t instanceof CancellationException));
156	+	}
157	+
158	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
159	+	checkCompletedExceptionally(f, false,
160	+	(t) -> assertTrue(t instanceof TimeoutException));
161	+	}
162	+
163	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
164	+	Throwable ex) {
165	+	checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex));
166	+	}
167	+
168	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
169	+	checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex));
170	+	}
171	+
172		void checkCancelled(CompletableFuture<?> f) {
173	+	long startTime = System.nanoTime();
174		try {
175		f.get(LONG_DELAY_MS, MILLISECONDS);
176		shouldThrow();
177		} catch (CancellationException success) {
178		} catch (Throwable fail) { threadUnexpectedException(fail); }
179	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
180	+
181		try {
182		f.join();
183		shouldThrow();
#	Line 153 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} catch (Throwable fail) { threadUnexpectedException(fail); }
156	–	assertTrue(f.isDone());
157	–	assertTrue(f.isCompletedExceptionally());
158	–	assertTrue(f.isCancelled());
159	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
160	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	try {
164	<	f.get(LONG_DELAY_MS, MILLISECONDS);
165	<	shouldThrow();
166	<	} catch (ExecutionException success) {
167	<	assertTrue(success.getCause() instanceof CancellationException);
168	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
169	<	try {
170	<	f.join();
171	<	shouldThrow();
172	<	} catch (CompletionException success) {
173	<	assertTrue(success.getCause() instanceof CancellationException);
174	<	}
175	<	try {
176	<	f.getNow(null);
177	<	shouldThrow();
178	<	} catch (CompletionException success) {
179	<	assertTrue(success.getCause() instanceof CancellationException);
180	<	}
181	<	try {
182	<	f.get();
183	<	shouldThrow();
184	<	} catch (ExecutionException success) {
185	<	assertTrue(success.getCause() instanceof CancellationException);
186	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
188	–	assertFalse(f.isCancelled());
198		assertTrue(f.isCompletedExceptionally());
199	+	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 204 | Line 214 | public class CompletableFutureTest exten
214		* isCancelled, join, get, and getNow
215		*/
216		public void testComplete() {
217	+	for (Integer v1 : new Integer[] { 1, null })
218	+	{
219		CompletableFuture<Integer> f = new CompletableFuture<>();
220		checkIncomplete(f);
221	<	f.complete(one);
222	<	checkCompletedNormally(f, one);
223	<	}
221	>	assertTrue(f.complete(v1));
222	>	assertFalse(f.complete(v1));
223	>	checkCompletedNormally(f, v1);
224	>	}}
225
226		/**
227		* completeExceptionally completes exceptionally, as indicated by
#	Line 216 | Line 229 | public class CompletableFutureTest exten
229		*/
230		public void testCompleteExceptionally() {
231		CompletableFuture<Integer> f = new CompletableFuture<>();
232	+	CFException ex = new CFException();
233		checkIncomplete(f);
234	<	f.completeExceptionally(new CFException());
235	<	checkCompletedWithWrappedCFException(f);
234	>	f.completeExceptionally(ex);
235	>	checkCompletedExceptionally(f, ex);
236		}
237
238		/**
#	Line 226 | Line 240 | public class CompletableFutureTest exten
240		* methods isDone, isCancelled, join, get, and getNow
241		*/
242		public void testCancel() {
243	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
244	+	{
245		CompletableFuture<Integer> f = new CompletableFuture<>();
246		checkIncomplete(f);
247	<	assertTrue(f.cancel(true));
247	>	assertTrue(f.cancel(mayInterruptIfRunning));
248	>	assertTrue(f.cancel(mayInterruptIfRunning));
249	>	assertTrue(f.cancel(!mayInterruptIfRunning));
250		checkCancelled(f);
251	<	}
251	>	}}
252
253		/**
254		* obtrudeValue forces completion with given value
#	Line 238 | Line 256 | public class CompletableFutureTest exten
256		public void testObtrudeValue() {
257		CompletableFuture<Integer> f = new CompletableFuture<>();
258		checkIncomplete(f);
259	<	f.complete(one);
259	>	assertTrue(f.complete(one));
260		checkCompletedNormally(f, one);
261		f.obtrudeValue(three);
262		checkCompletedNormally(f, three);
#	Line 259 | Line 277 | public class CompletableFutureTest exten
277		* obtrudeException forces completion with given exception
278		*/
279		public void testObtrudeException() {
280	<	CompletableFuture<Integer> f = new CompletableFuture<>();
281	<	checkIncomplete(f);
282	<	f.complete(one);
283	<	checkCompletedNormally(f, one);
284	<	f.obtrudeException(new CFException());
267	<	checkCompletedWithWrappedCFException(f);
280	>	for (Integer v1 : new Integer[] { 1, null })
281	>	{
282	>	CFException ex;
283	>	CompletableFuture<Integer> f;
284	>
285		f = new CompletableFuture<>();
286	<	f.obtrudeException(new CFException());
287	<	checkCompletedWithWrappedCFException(f);
286	>	assertTrue(f.complete(v1));
287	>	for (int i = 0; i < 2; i++) {
288	>	f.obtrudeException(ex = new CFException());
289	>	checkCompletedExceptionally(f, ex);
290	>	}
291	>
292		f = new CompletableFuture<>();
293	+	for (int i = 0; i < 2; i++) {
294	+	f.obtrudeException(ex = new CFException());
295	+	checkCompletedExceptionally(f, ex);
296	+	}
297	+
298	+	f = new CompletableFuture<>();
299	+	f.completeExceptionally(ex = new CFException());
300	+	f.obtrudeValue(v1);
301	+	checkCompletedNormally(f, v1);
302	+	f.obtrudeException(ex = new CFException());
303	+	checkCompletedExceptionally(f, ex);
304		f.completeExceptionally(new CFException());
305	<	f.obtrudeValue(four);
306	<	checkCompletedNormally(f, four);
307	<	f.obtrudeException(new CFException());
308	<	checkCompletedWithWrappedCFException(f);
277	<	}
305	>	checkCompletedExceptionally(f, ex);
306	>	assertFalse(f.complete(v1));
307	>	checkCompletedExceptionally(f, ex);
308	>	}}
309
310		/**
311		* getNumberOfDependents returns number of dependent tasks
312		*/
313		public void testGetNumberOfDependents() {
314	+	for (ExecutionMode m : ExecutionMode.values())
315	+	for (Integer v1 : new Integer[] { 1, null })
316	+	{
317		CompletableFuture<Integer> f = new CompletableFuture<>();
318		assertEquals(0, f.getNumberOfDependents());
319	<	CompletableFuture g = f.thenRun(new Noop());
319	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
320		assertEquals(1, f.getNumberOfDependents());
321		assertEquals(0, g.getNumberOfDependents());
322	<	CompletableFuture h = f.thenRun(new Noop());
322	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
323		assertEquals(2, f.getNumberOfDependents());
324	<	f.complete(1);
324	>	assertEquals(0, h.getNumberOfDependents());
325	>	assertTrue(f.complete(v1));
326		checkCompletedNormally(g, null);
327	+	checkCompletedNormally(h, null);
328		assertEquals(0, f.getNumberOfDependents());
329		assertEquals(0, g.getNumberOfDependents());
330	<	}
330	>	assertEquals(0, h.getNumberOfDependents());
331	>	}}
332
333		/**
334		* toString indicates current completion state
#	Line 302 | Line 339 | public class CompletableFutureTest exten
339		f = new CompletableFuture<String>();
340		assertTrue(f.toString().contains("[Not completed]"));
341
342	<	f.complete("foo");
342	>	assertTrue(f.complete("foo"));
343		assertTrue(f.toString().contains("[Completed normally]"));
344
345		f = new CompletableFuture<String>();
346	<	f.completeExceptionally(new IndexOutOfBoundsException());
346	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
347		assertTrue(f.toString().contains("[Completed exceptionally]"));
348	+
349	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
350	+	f = new CompletableFuture<String>();
351	+	assertTrue(f.cancel(mayInterruptIfRunning));
352	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
353	+	}
354		}
355
356		/**
#	Line 318 | Line 361 | public class CompletableFutureTest exten
361		checkCompletedNormally(f, "test");
362		}
363
364	<	// Choose non-commutative actions for better coverage
364	>	abstract class CheckedAction {
365	>	int invocationCount = 0;
366	>	final ExecutionMode m;
367	>	CheckedAction(ExecutionMode m) { this.m = m; }
368	>	void invoked() {
369	>	m.checkExecutionMode();
370	>	assertEquals(0, invocationCount++);
371	>	}
372	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
373	>	void assertInvoked() { assertEquals(1, invocationCount); }
374	>	}
375
376	<	// A non-commutative function that handles and produces null values as well.
377	<	static Integer subtract(Integer x, Integer y) {
378	<	return (x == null && y == null) ? null :
379	<	((x == null) ? 42 : x.intValue())
380	<	- ((y == null) ? 99 : y.intValue());
376	>	abstract class CheckedIntegerAction extends CheckedAction {
377	>	Integer value;
378	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
379	>	void assertValue(Integer expected) {
380	>	assertInvoked();
381	>	assertEquals(expected, value);
382	>	}
383	>	}
384	>
385	>	class IntegerSupplier extends CheckedAction
386	>	implements Supplier<Integer>
387	>	{
388	>	final Integer value;
389	>	IntegerSupplier(ExecutionMode m, Integer value) {
390	>	super(m);
391	>	this.value = value;
392	>	}
393	>	public Integer get() {
394	>	invoked();
395	>	return value;
396	>	}
397		}
398
399		// A function that handles and produces null values as well.
#	Line 332 | Line 401 | public class CompletableFutureTest exten
401		return (x == null) ? null : x + 1;
402		}
403
404	<	static final Supplier<Integer> supplyOne =
405	<	() -> Integer.valueOf(1);
406	<	static final Function<Integer, Integer> inc =
407	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
339	<	static final BiFunction<Integer, Integer, Integer> subtract =
340	<	(Integer x, Integer y) -> subtract(x, y);
341	<	static final class IncAction implements Consumer<Integer> {
342	<	int invocationCount = 0;
343	<	Integer value;
404	>	class NoopConsumer extends CheckedIntegerAction
405	>	implements Consumer<Integer>
406	>	{
407	>	NoopConsumer(ExecutionMode m) { super(m); }
408		public void accept(Integer x) {
409	<	invocationCount++;
410	<	value = inc(x);
409	>	invoked();
410	>	value = x;
411		}
412		}
413	<	static final class IncFunction implements Function<Integer,Integer> {
414	<	int invocationCount = 0;
415	<	Integer value;
413	>
414	>	class IncFunction extends CheckedIntegerAction
415	>	implements Function<Integer,Integer>
416	>	{
417	>	IncFunction(ExecutionMode m) { super(m); }
418		public Integer apply(Integer x) {
419	<	invocationCount++;
419	>	invoked();
420		return value = inc(x);
421		}
422		}
423	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
424	<	int invocationCount = 0;
425	<	Integer value;
426	<	// Check this action was invoked exactly once when result is computed.
423	>
424	>	// Choose non-commutative actions for better coverage
425	>	// A non-commutative function that handles and produces null values as well.
426	>	static Integer subtract(Integer x, Integer y) {
427	>	return (x == null && y == null) ? null :
428	>	((x == null) ? 42 : x.intValue())
429	>	- ((y == null) ? 99 : y.intValue());
430	>	}
431	>
432	>	class SubtractAction extends CheckedIntegerAction
433	>	implements BiConsumer<Integer, Integer>
434	>	{
435	>	SubtractAction(ExecutionMode m) { super(m); }
436		public void accept(Integer x, Integer y) {
437	<	invocationCount++;
437	>	invoked();
438		value = subtract(x, y);
439		}
440		}
441	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
442	<	int invocationCount = 0;
443	<	Integer value;
444	<	// Check this action was invoked exactly once when result is computed.
441	>
442	>	class SubtractFunction extends CheckedIntegerAction
443	>	implements BiFunction<Integer, Integer, Integer>
444	>	{
445	>	SubtractFunction(ExecutionMode m) { super(m); }
446		public Integer apply(Integer x, Integer y) {
447	<	invocationCount++;
447	>	invoked();
448		return value = subtract(x, y);
449		}
450		}
451	<	static final class Noop implements Runnable {
452	<	int invocationCount = 0;
451	>
452	>	class Noop extends CheckedAction implements Runnable {
453	>	Noop(ExecutionMode m) { super(m); }
454		public void run() {
455	<	invocationCount++;
455	>	invoked();
456		}
457		}
458
459	<	static final class FailingSupplier implements Supplier<Integer> {
460	<	int invocationCount = 0;
459	>	class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	FailingSupplier(ExecutionMode m) { super(m); }
463		public Integer get() {
464	<	invocationCount++;
464	>	invoked();
465		throw new CFException();
466		}
467		}
468	<	static final class FailingConsumer implements Consumer<Integer> {
469	<	int invocationCount = 0;
468	>
469	>	class FailingConsumer extends CheckedIntegerAction
470	>	implements Consumer<Integer>
471	>	{
472	>	FailingConsumer(ExecutionMode m) { super(m); }
473		public void accept(Integer x) {
474	<	invocationCount++;
474	>	invoked();
475	>	value = x;
476		throw new CFException();
477		}
478		}
479	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
480	<	int invocationCount = 0;
479	>
480	>	class FailingBiConsumer extends CheckedIntegerAction
481	>	implements BiConsumer<Integer, Integer>
482	>	{
483	>	FailingBiConsumer(ExecutionMode m) { super(m); }
484		public void accept(Integer x, Integer y) {
485	<	invocationCount++;
485	>	invoked();
486	>	value = subtract(x, y);
487		throw new CFException();
488		}
489		}
490	<	static final class FailingFunction implements Function<Integer, Integer> {
491	<	int invocationCount = 0;
490	>
491	>	class FailingFunction extends CheckedIntegerAction
492	>	implements Function<Integer, Integer>
493	>	{
494	>	FailingFunction(ExecutionMode m) { super(m); }
495		public Integer apply(Integer x) {
496	<	invocationCount++;
496	>	invoked();
497	>	value = x;
498		throw new CFException();
499		}
500		}
501	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
502	<	int invocationCount = 0;
501	>
502	>	class FailingBiFunction extends CheckedIntegerAction
503	>	implements BiFunction<Integer, Integer, Integer>
504	>	{
505	>	FailingBiFunction(ExecutionMode m) { super(m); }
506		public Integer apply(Integer x, Integer y) {
507	<	invocationCount++;
507	>	invoked();
508	>	value = subtract(x, y);
509		throw new CFException();
510		}
511		}
512	<	static final class FailingNoop implements Runnable {
513	<	int invocationCount = 0;
512	>
513	>	class FailingRunnable extends CheckedAction implements Runnable {
514	>	FailingRunnable(ExecutionMode m) { super(m); }
515		public void run() {
516	<	invocationCount++;
516	>	invoked();
517		throw new CFException();
518		}
519		}
520
521	<	static final class CompletableFutureInc
522	<	implements Function<Integer, CompletableFuture<Integer>> {
523	<	int invocationCount = 0;
521	>	class CompletableFutureInc extends CheckedIntegerAction
522	>	implements Function<Integer, CompletableFuture<Integer>>
523	>	{
524	>	CompletableFutureInc(ExecutionMode m) { super(m); }
525		public CompletableFuture<Integer> apply(Integer x) {
526	<	invocationCount++;
526	>	invoked();
527	>	value = x;
528		CompletableFuture<Integer> f = new CompletableFuture<>();
529	<	f.complete(inc(x));
529	>	assertTrue(f.complete(inc(x)));
530		return f;
531		}
532		}
533
534	<	static final class FailingCompletableFutureFunction
535	<	implements Function<Integer, CompletableFuture<Integer>> {
536	<	int invocationCount = 0;
534	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
535	>	implements Function<Integer, CompletableFuture<Integer>>
536	>	{
537	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
538		public CompletableFuture<Integer> apply(Integer x) {
539	<	invocationCount++;
539	>	invoked();
540	>	value = x;
541		throw new CFException();
542		}
543		}
544
545		// Used for explicit executor tests
546		static final class ThreadExecutor implements Executor {
547	<	AtomicInteger count = new AtomicInteger(0);
547	>	final AtomicInteger count = new AtomicInteger(0);
548	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
549	>	static boolean startedCurrentThread() {
550	>	return Thread.currentThread().getThreadGroup() == tg;
551	>	}
552
553		public void execute(Runnable r) {
554		count.getAndIncrement();
555	<	new Thread(r).start();
555	>	new Thread(tg, r).start();
556		}
557		}
558
559	+	static final boolean defaultExecutorIsCommonPool
560	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
561	+
562		/**
563		* Permits the testing of parallel code for the 3 different
564	<	* execution modes without repeating all the testing code.
564	>	* execution modes without copy/pasting all the test methods.
565		*/
566		enum ExecutionMode {
567	<	DEFAULT {
567	>	SYNC {
568	>	public void checkExecutionMode() {
569	>	assertFalse(ThreadExecutor.startedCurrentThread());
570	>	assertNull(ForkJoinTask.getPool());
571	>	}
572	>	public CompletableFuture<Void> runAsync(Runnable a) {
573	>	throw new UnsupportedOperationException();
574	>	}
575	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
576	>	throw new UnsupportedOperationException();
577	>	}
578		public <T> CompletableFuture<Void> thenRun
579		(CompletableFuture<T> f, Runnable a) {
580		return f.thenRun(a);
#	Line 521 | Line 638 | public class CompletableFutureTest exten
638		}
639		},
640
641	<	DEFAULT_ASYNC {
641	>	ASYNC {
642	>	public void checkExecutionMode() {
643	>	// If tests are added that may run across different
644	>	// pools, this needs to be weakened to no-op.
645	>	ForkJoinPool p = ForkJoinTask.getPool();
646	>	assertTrue(p == null ||
647	>	(defaultExecutorIsCommonPool &&
648	>	p == ForkJoinPool.commonPool()));
649	>	}
650	>	public CompletableFuture<Void> runAsync(Runnable a) {
651	>	return CompletableFuture.runAsync(a);
652	>	}
653	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
654	>	return CompletableFuture.supplyAsync(a);
655	>	}
656		public <T> CompletableFuture<Void> thenRun
657		(CompletableFuture<T> f, Runnable a) {
658		return f.thenRunAsync(a);
#	Line 586 | Line 717 | public class CompletableFutureTest exten
717		},
718
719		EXECUTOR {
720	+	public void checkExecutionMode() {
721	+	assertTrue(ThreadExecutor.startedCurrentThread());
722	+	}
723	+	public CompletableFuture<Void> runAsync(Runnable a) {
724	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
725	+	}
726	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
727	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
728	+	}
729		public <T> CompletableFuture<Void> thenRun
730		(CompletableFuture<T> f, Runnable a) {
731		return f.thenRunAsync(a, new ThreadExecutor());
#	Line 649 | Line 789 | public class CompletableFutureTest exten
789		}
790		};
791
792	+	public abstract void checkExecutionMode();
793	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
794	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
795		public abstract <T> CompletableFuture<Void> thenRun
796		(CompletableFuture<T> f, Runnable a);
797		public abstract <T> CompletableFuture<Void> thenAccept
#	Line 698 | Line 841 | public class CompletableFutureTest exten
841		{
842		final AtomicInteger a = new AtomicInteger(0);
843		final CompletableFuture<Integer> f = new CompletableFuture<>();
844	<	if (!createIncomplete) f.complete(v1);
844	>	if (!createIncomplete) assertTrue(f.complete(v1));
845		final CompletableFuture<Integer> g = f.exceptionally
846		((Throwable t) -> {
704	–	// Should not be called
847		a.getAndIncrement();
848	<	throw new AssertionError();
848	>	threadFail("should not be called");
849	>	return null;            // unreached
850		});
851	<	if (createIncomplete) f.complete(v1);
851	>	if (createIncomplete) assertTrue(f.complete(v1));
852
853		checkCompletedNormally(g, v1);
854		checkCompletedNormally(f, v1);
855		assertEquals(0, a.get());
856		}}
857
715	–
858		/**
859		* exceptionally action completes with function value on source
860		* exception
#	Line 727 | Line 869 | public class CompletableFutureTest exten
869		if (!createIncomplete) f.completeExceptionally(ex);
870		final CompletableFuture<Integer> g = f.exceptionally
871		((Throwable t) -> {
872	+	ExecutionMode.SYNC.checkExecutionMode();
873		threadAssertSame(t, ex);
874		a.getAndIncrement();
875		return v1;
#	Line 737 | Line 880 | public class CompletableFutureTest exten
880		assertEquals(1, a.get());
881		}}
882
883	+	/**
884	+	* If an "exceptionally action" throws an exception, it completes
885	+	* exceptionally with that exception
886	+	*/
887		public void testExceptionally_exceptionalCompletionActionFailed() {
888		for (boolean createIncomplete : new boolean[] { true, false })
742	–	for (Integer v1 : new Integer[] { 1, null })
889		{
890		final AtomicInteger a = new AtomicInteger(0);
891		final CFException ex1 = new CFException();
#	Line 748 | Line 894 | public class CompletableFutureTest exten
894		if (!createIncomplete) f.completeExceptionally(ex1);
895		final CompletableFuture<Integer> g = f.exceptionally
896		((Throwable t) -> {
897	+	ExecutionMode.SYNC.checkExecutionMode();
898		threadAssertSame(t, ex1);
899		a.getAndIncrement();
900		throw ex2;
901		});
902		if (createIncomplete) f.completeExceptionally(ex1);
903
904	<	checkCompletedWithWrappedCFException(g, ex2);
904	>	checkCompletedWithWrappedException(g, ex2);
905	>	checkCompletedExceptionally(f, ex1);
906	>	assertEquals(1, a.get());
907	>	}}
908	>
909	>	/**
910	>	* whenComplete action executes on normal completion, propagating
911	>	* source result.
912	>	*/
913	>	public void testWhenComplete_normalCompletion() {
914	>	for (ExecutionMode m : ExecutionMode.values())
915	>	for (boolean createIncomplete : new boolean[] { true, false })
916	>	for (Integer v1 : new Integer[] { 1, null })
917	>	{
918	>	final AtomicInteger a = new AtomicInteger(0);
919	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
920	>	if (!createIncomplete) assertTrue(f.complete(v1));
921	>	final CompletableFuture<Integer> g = m.whenComplete
922	>	(f,
923	>	(Integer result, Throwable t) -> {
924	>	m.checkExecutionMode();
925	>	threadAssertSame(result, v1);
926	>	threadAssertNull(t);
927	>	a.getAndIncrement();
928	>	});
929	>	if (createIncomplete) assertTrue(f.complete(v1));
930	>
931	>	checkCompletedNormally(g, v1);
932	>	checkCompletedNormally(f, v1);
933	>	assertEquals(1, a.get());
934	>	}}
935	>
936	>	/**
937	>	* whenComplete action executes on exceptional completion, propagating
938	>	* source result.
939	>	*/
940	>	public void testWhenComplete_exceptionalCompletion() {
941	>	for (ExecutionMode m : ExecutionMode.values())
942	>	for (boolean createIncomplete : new boolean[] { true, false })
943	>	{
944	>	final AtomicInteger a = new AtomicInteger(0);
945	>	final CFException ex = new CFException();
946	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
947	>	if (!createIncomplete) f.completeExceptionally(ex);
948	>	final CompletableFuture<Integer> g = m.whenComplete
949	>	(f,
950	>	(Integer result, Throwable t) -> {
951	>	m.checkExecutionMode();
952	>	threadAssertNull(result);
953	>	threadAssertSame(t, ex);
954	>	a.getAndIncrement();
955	>	});
956	>	if (createIncomplete) f.completeExceptionally(ex);
957	>
958	>	checkCompletedWithWrappedException(g, ex);
959	>	checkCompletedExceptionally(f, ex);
960	>	assertEquals(1, a.get());
961	>	}}
962	>
963	>	/**
964	>	* whenComplete action executes on cancelled source, propagating
965	>	* CancellationException.
966	>	*/
967	>	public void testWhenComplete_sourceCancelled() {
968	>	for (ExecutionMode m : ExecutionMode.values())
969	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
970	>	for (boolean createIncomplete : new boolean[] { true, false })
971	>	{
972	>	final AtomicInteger a = new AtomicInteger(0);
973	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
974	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
975	>	final CompletableFuture<Integer> g = m.whenComplete
976	>	(f,
977	>	(Integer result, Throwable t) -> {
978	>	m.checkExecutionMode();
979	>	threadAssertNull(result);
980	>	threadAssertTrue(t instanceof CancellationException);
981	>	a.getAndIncrement();
982	>	});
983	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
984	>
985	>	checkCompletedWithWrappedCancellationException(g);
986	>	checkCancelled(f);
987	>	assertEquals(1, a.get());
988	>	}}
989	>
990	>	/**
991	>	* If a whenComplete action throws an exception when triggered by
992	>	* a normal completion, it completes exceptionally
993	>	*/
994	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
995	>	for (boolean createIncomplete : new boolean[] { true, false })
996	>	for (ExecutionMode m : ExecutionMode.values())
997	>	for (Integer v1 : new Integer[] { 1, null })
998	>	{
999	>	final AtomicInteger a = new AtomicInteger(0);
1000	>	final CFException ex = new CFException();
1001	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1002	>	if (!createIncomplete) assertTrue(f.complete(v1));
1003	>	final CompletableFuture<Integer> g = m.whenComplete
1004	>	(f,
1005	>	(Integer result, Throwable t) -> {
1006	>	m.checkExecutionMode();
1007	>	threadAssertSame(result, v1);
1008	>	threadAssertNull(t);
1009	>	a.getAndIncrement();
1010	>	throw ex;
1011	>	});
1012	>	if (createIncomplete) assertTrue(f.complete(v1));
1013	>
1014	>	checkCompletedWithWrappedException(g, ex);
1015	>	checkCompletedNormally(f, v1);
1016	>	assertEquals(1, a.get());
1017	>	}}
1018	>
1019	>	/**
1020	>	* If a whenComplete action throws an exception when triggered by
1021	>	* a source completion that also throws an exception, the source
1022	>	* exception takes precedence (unlike handle)
1023	>	*/
1024	>	public void testWhenComplete_sourceFailedActionFailed() {
1025	>	for (boolean createIncomplete : new boolean[] { true, false })
1026	>	for (ExecutionMode m : ExecutionMode.values())
1027	>	{
1028	>	final AtomicInteger a = new AtomicInteger(0);
1029	>	final CFException ex1 = new CFException();
1030	>	final CFException ex2 = new CFException();
1031	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1032	>
1033	>	if (!createIncomplete) f.completeExceptionally(ex1);
1034	>	final CompletableFuture<Integer> g = m.whenComplete
1035	>	(f,
1036	>	(Integer result, Throwable t) -> {
1037	>	m.checkExecutionMode();
1038	>	threadAssertSame(t, ex1);
1039	>	threadAssertNull(result);
1040	>	a.getAndIncrement();
1041	>	throw ex2;
1042	>	});
1043	>	if (createIncomplete) f.completeExceptionally(ex1);
1044	>
1045	>	checkCompletedWithWrappedException(g, ex1);
1046	>	checkCompletedExceptionally(f, ex1);
1047	>	if (testImplementationDetails) {
1048	>	assertEquals(1, ex1.getSuppressed().length);
1049	>	assertSame(ex2, ex1.getSuppressed()[0]);
1050	>	}
1051		assertEquals(1, a.get());
1052		}}
1053
#	Line 769 | Line 1062 | public class CompletableFutureTest exten
1062		{
1063		final CompletableFuture<Integer> f = new CompletableFuture<>();
1064		final AtomicInteger a = new AtomicInteger(0);
1065	<	if (!createIncomplete) f.complete(v1);
1065	>	if (!createIncomplete) assertTrue(f.complete(v1));
1066		final CompletableFuture<Integer> g = m.handle
1067		(f,
1068	<	(Integer x, Throwable t) -> {
1069	<	threadAssertSame(x, v1);
1068	>	(Integer result, Throwable t) -> {
1069	>	m.checkExecutionMode();
1070	>	threadAssertSame(result, v1);
1071		threadAssertNull(t);
1072		a.getAndIncrement();
1073		return inc(v1);
1074		});
1075	<	if (createIncomplete) f.complete(v1);
1075	>	if (createIncomplete) assertTrue(f.complete(v1));
1076
1077		checkCompletedNormally(g, inc(v1));
1078		checkCompletedNormally(f, v1);
#	Line 800 | Line 1094 | public class CompletableFutureTest exten
1094		if (!createIncomplete) f.completeExceptionally(ex);
1095		final CompletableFuture<Integer> g = m.handle
1096		(f,
1097	<	(Integer x, Throwable t) -> {
1098	<	threadAssertNull(x);
1097	>	(Integer result, Throwable t) -> {
1098	>	m.checkExecutionMode();
1099	>	threadAssertNull(result);
1100		threadAssertSame(t, ex);
1101		a.getAndIncrement();
1102		return v1;
#	Line 809 | Line 1104 | public class CompletableFutureTest exten
1104		if (createIncomplete) f.completeExceptionally(ex);
1105
1106		checkCompletedNormally(g, v1);
1107	<	checkCompletedWithWrappedCFException(f, ex);
1107	>	checkCompletedExceptionally(f, ex);
1108		assertEquals(1, a.get());
1109		}}
1110
#	Line 828 | Line 1123 | public class CompletableFutureTest exten
1123		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1124		final CompletableFuture<Integer> g = m.handle
1125		(f,
1126	<	(Integer x, Throwable t) -> {
1127	<	threadAssertNull(x);
1126	>	(Integer result, Throwable t) -> {
1127	>	m.checkExecutionMode();
1128	>	threadAssertNull(result);
1129		threadAssertTrue(t instanceof CancellationException);
1130		a.getAndIncrement();
1131		return v1;
#	Line 842 | Line 1138 | public class CompletableFutureTest exten
1138		}}
1139
1140		/**
1141	<	* handle result completes exceptionally if action does
1141	>	* If a "handle action" throws an exception when triggered by
1142	>	* a normal completion, it completes exceptionally
1143		*/
1144	<	public void testHandle_sourceFailedActionFailed() {
1144	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1145		for (ExecutionMode m : ExecutionMode.values())
1146		for (boolean createIncomplete : new boolean[] { true, false })
1147	+	for (Integer v1 : new Integer[] { 1, null })
1148		{
1149		final CompletableFuture<Integer> f = new CompletableFuture<>();
1150		final AtomicInteger a = new AtomicInteger(0);
1151	<	final CFException ex1 = new CFException();
1152	<	final CFException ex2 = new CFException();
855	<	if (!createIncomplete) f.completeExceptionally(ex1);
1151	>	final CFException ex = new CFException();
1152	>	if (!createIncomplete) assertTrue(f.complete(v1));
1153		final CompletableFuture<Integer> g = m.handle
1154		(f,
1155	<	(Integer x, Throwable t) -> {
1156	<	threadAssertNull(x);
1157	<	threadAssertSame(ex1, t);
1155	>	(Integer result, Throwable t) -> {
1156	>	m.checkExecutionMode();
1157	>	threadAssertSame(result, v1);
1158	>	threadAssertNull(t);
1159		a.getAndIncrement();
1160	<	throw ex2;
1160	>	throw ex;
1161		});
1162	<	if (createIncomplete) f.completeExceptionally(ex1);
1162	>	if (createIncomplete) assertTrue(f.complete(v1));
1163
1164	<	checkCompletedWithWrappedCFException(g, ex2);
1165	<	checkCompletedWithWrappedCFException(f, ex1);
1164	>	checkCompletedWithWrappedException(g, ex);
1165	>	checkCompletedNormally(f, v1);
1166		assertEquals(1, a.get());
1167		}}
1168
1169	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1170	<	for (ExecutionMode m : ExecutionMode.values())
1169	>	/**
1170	>	* If a "handle action" throws an exception when triggered by
1171	>	* a source completion that also throws an exception, the action
1172	>	* exception takes precedence (unlike whenComplete)
1173	>	*/
1174	>	public void testHandle_sourceFailedActionFailed() {
1175		for (boolean createIncomplete : new boolean[] { true, false })
1176	<	for (Integer v1 : new Integer[] { 1, null })
1176	>	for (ExecutionMode m : ExecutionMode.values())
1177		{
876	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1178		final AtomicInteger a = new AtomicInteger(0);
1179	<	final CFException ex = new CFException();
1180	<	if (!createIncomplete) f.complete(v1);
1179	>	final CFException ex1 = new CFException();
1180	>	final CFException ex2 = new CFException();
1181	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1182	>
1183	>	if (!createIncomplete) f.completeExceptionally(ex1);
1184		final CompletableFuture<Integer> g = m.handle
1185		(f,
1186	<	(Integer x, Throwable t) -> {
1187	<	threadAssertSame(x, v1);
1188	<	threadAssertNull(t);
1186	>	(Integer result, Throwable t) -> {
1187	>	m.checkExecutionMode();
1188	>	threadAssertNull(result);
1189	>	threadAssertSame(ex1, t);
1190		a.getAndIncrement();
1191	<	throw ex;
1191	>	throw ex2;
1192		});
1193	<	if (createIncomplete) f.complete(v1);
1193	>	if (createIncomplete) f.completeExceptionally(ex1);
1194
1195	<	checkCompletedWithWrappedCFException(g, ex);
1196	<	checkCompletedNormally(f, v1);
1195	>	checkCompletedWithWrappedException(g, ex2);
1196	>	checkCompletedExceptionally(f, ex1);
1197		assertEquals(1, a.get());
1198		}}
1199
1200		/**
1201		* runAsync completes after running Runnable
1202		*/
1203	<	public void testRunAsync() {
1204	<	Noop r = new Noop();
1205	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1206	<	assertNull(f.join());
1207	<	assertEquals(1, r.invocationCount);
1208	<	checkCompletedNormally(f, null);
1209	<	}
1210	<
1211	<	/**
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);
1203	>	public void testRunAsync_normalCompletion() {
1204	>	ExecutionMode[] executionModes = {
1205	>	ExecutionMode.ASYNC,
1206	>	ExecutionMode.EXECUTOR,
1207	>	};
1208	>	for (ExecutionMode m : executionModes)
1209	>	{
1210	>	final Noop r = new Noop(m);
1211	>	final CompletableFuture<Void> f = m.runAsync(r);
1212		assertNull(f.join());
914	–	assertEquals(1, r.invocationCount);
1213		checkCompletedNormally(f, null);
1214	<	assertEquals(1, exec.count.get());
1215	<	}
1214	>	r.assertInvoked();
1215	>	}}
1216
1217		/**
1218		* failing runAsync completes exceptionally after running Runnable
1219		*/
1220	<	public void testRunAsync3() {
1221	<	FailingNoop r = new FailingNoop();
1222	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1220	>	public void testRunAsync_exceptionalCompletion() {
1221	>	ExecutionMode[] executionModes = {
1222	>	ExecutionMode.ASYNC,
1223	>	ExecutionMode.EXECUTOR,
1224	>	};
1225	>	for (ExecutionMode m : executionModes)
1226	>	{
1227	>	final FailingRunnable r = new FailingRunnable(m);
1228	>	final CompletableFuture<Void> f = m.runAsync(r);
1229		checkCompletedWithWrappedCFException(f);
1230	<	assertEquals(1, r.invocationCount);
1231	<	}
1230	>	r.assertInvoked();
1231	>	}}
1232
1233		/**
1234		* supplyAsync completes with result of supplier
1235		*/
1236	<	public void testSupplyAsync() {
1237	<	CompletableFuture<Integer> f;
1238	<	f = CompletableFuture.supplyAsync(supplyOne);
1239	<	assertEquals(f.join(), one);
1240	<	checkCompletedNormally(f, one);
1241	<	}
1242	<
1243	<	/**
1244	<	* supplyAsync with executor completes with result of supplier
1245	<	*/
1246	<	public void testSupplyAsync2() {
1247	<	CompletableFuture<Integer> f;
1248	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1249	<	assertEquals(f.join(), one);
946	<	checkCompletedNormally(f, one);
947	<	}
1236	>	public void testSupplyAsync_normalCompletion() {
1237	>	ExecutionMode[] executionModes = {
1238	>	ExecutionMode.ASYNC,
1239	>	ExecutionMode.EXECUTOR,
1240	>	};
1241	>	for (ExecutionMode m : executionModes)
1242	>	for (Integer v1 : new Integer[] { 1, null })
1243	>	{
1244	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1245	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1246	>	assertSame(v1, f.join());
1247	>	checkCompletedNormally(f, v1);
1248	>	r.assertInvoked();
1249	>	}}
1250
1251		/**
1252		* Failing supplyAsync completes exceptionally
1253		*/
1254	<	public void testSupplyAsync3() {
1255	<	FailingSupplier r = new FailingSupplier();
1256	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1254	>	public void testSupplyAsync_exceptionalCompletion() {
1255	>	ExecutionMode[] executionModes = {
1256	>	ExecutionMode.ASYNC,
1257	>	ExecutionMode.EXECUTOR,
1258	>	};
1259	>	for (ExecutionMode m : executionModes)
1260	>	{
1261	>	FailingSupplier r = new FailingSupplier(m);
1262	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1263		checkCompletedWithWrappedCFException(f);
1264	<	assertEquals(1, r.invocationCount);
1265	<	}
1264	>	r.assertInvoked();
1265	>	}}
1266
1267		// seq completion methods
1268
1269		/**
1270		* thenRun result completes normally after normal completion of source
1271		*/
1272	<	public void testThenRun() {
1273	<	CompletableFuture<Integer> f;
1274	<	CompletableFuture<Void> g;
1275	<	Noop r;
1276	<
1277	<	f = new CompletableFuture<>();
1278	<	g = f.thenRun(r = new Noop());
971	<	f.complete(null);
972	<	checkCompletedNormally(g, null);
973	<	assertEquals(1, r.invocationCount);
1272	>	public void testThenRun_normalCompletion() {
1273	>	for (ExecutionMode m : ExecutionMode.values())
1274	>	for (Integer v1 : new Integer[] { 1, null })
1275	>	{
1276	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1277	>	final Noop[] rs = new Noop[6];
1278	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1279
1280	<	f = new CompletableFuture<>();
1281	<	f.complete(null);
1282	<	g = f.thenRun(r = new Noop());
1283	<	checkCompletedNormally(g, null);
1284	<	assertEquals(1, r.invocationCount);
1285	<	}
1280	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1281	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1282	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1283	>	checkIncomplete(h0);
1284	>	checkIncomplete(h1);
1285	>	checkIncomplete(h2);
1286	>	assertTrue(f.complete(v1));
1287	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1288	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1289	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1290	>
1291	>	checkCompletedNormally(h0, null);
1292	>	checkCompletedNormally(h1, null);
1293	>	checkCompletedNormally(h2, null);
1294	>	checkCompletedNormally(h3, null);
1295	>	checkCompletedNormally(h4, null);
1296	>	checkCompletedNormally(h5, null);
1297	>	checkCompletedNormally(f, v1);
1298	>	for (Noop r : rs) r.assertInvoked();
1299	>	}}
1300
1301		/**
1302		* thenRun result completes exceptionally after exceptional
1303		* completion of source
1304		*/
1305	<	public void testThenRun2() {
1306	<	CompletableFuture<Integer> f;
1307	<	CompletableFuture<Void> g;
1308	<	Noop r;
1309	<
1310	<	f = new CompletableFuture<>();
1311	<	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);
1305	>	public void testThenRun_exceptionalCompletion() {
1306	>	for (ExecutionMode m : ExecutionMode.values())
1307	>	{
1308	>	final CFException ex = new CFException();
1309	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1310	>	final Noop[] rs = new Noop[6];
1311	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1312
1313	<	f = new CompletableFuture<>();
1314	<	f.complete(null);
1315	<	g = f.thenRun(r = new FailingNoop());
1316	<	checkCompletedWithWrappedCFException(g);
1317	<	}
1313	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1314	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1315	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1316	>	checkIncomplete(h0);
1317	>	checkIncomplete(h1);
1318	>	checkIncomplete(h2);
1319	>	assertTrue(f.completeExceptionally(ex));
1320	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1321	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1322	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1323	>
1324	>	checkCompletedWithWrappedException(h0, ex);
1325	>	checkCompletedWithWrappedException(h1, ex);
1326	>	checkCompletedWithWrappedException(h2, ex);
1327	>	checkCompletedWithWrappedException(h3, ex);
1328	>	checkCompletedWithWrappedException(h4, ex);
1329	>	checkCompletedWithWrappedException(h5, ex);
1330	>	checkCompletedExceptionally(f, ex);
1331	>	for (Noop r : rs) r.assertNotInvoked();
1332	>	}}
1333
1334		/**
1335		* thenRun result completes exceptionally if source cancelled
1336		*/
1337	<	public void testThenRun4() {
1338	<	CompletableFuture<Integer> f;
1339	<	CompletableFuture<Void> g;
1340	<	Noop r;
1341	<
1342	<	f = new CompletableFuture<>();
1343	<	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	<	}
1337	>	public void testThenRun_sourceCancelled() {
1338	>	for (ExecutionMode m : ExecutionMode.values())
1339	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1340	>	{
1341	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1342	>	final Noop[] rs = new Noop[6];
1343	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1344
1345	<	/**
1346	<	* thenAccept result completes exceptionally if source cancelled
1347	<	*/
1348	<	public void testThenAccept4() {
1349	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1350	<	IncAction r = new IncAction();
1351	<	CompletableFuture<Void> g = f.thenAccept(r);
1352	<	assertTrue(f.cancel(true));
1353	<	checkCompletedWithWrappedCancellationException(g);
1354	<	}
1345	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1346	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1347	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1348	>	checkIncomplete(h0);
1349	>	checkIncomplete(h1);
1350	>	checkIncomplete(h2);
1351	>	assertTrue(f.cancel(mayInterruptIfRunning));
1352	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1353	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1354	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1355	>
1356	>	checkCompletedWithWrappedCancellationException(h0);
1357	>	checkCompletedWithWrappedCancellationException(h1);
1358	>	checkCompletedWithWrappedCancellationException(h2);
1359	>	checkCompletedWithWrappedCancellationException(h3);
1360	>	checkCompletedWithWrappedCancellationException(h4);
1361	>	checkCompletedWithWrappedCancellationException(h5);
1362	>	checkCancelled(f);
1363	>	for (Noop r : rs) r.assertNotInvoked();
1364	>	}}
1365
1366		/**
1367	<	* thenCombine result completes normally after normal completion
1132	<	* of sources
1367	>	* thenRun result completes exceptionally if action does
1368		*/
1369	<	public void testThenCombine_normalCompletion1() {
1135	<	for (boolean createIncomplete : new boolean[] { true, false })
1136	<	for (boolean fFirst : new boolean[] { true, false })
1369	>	public void testThenRun_actionFailed() {
1370		for (ExecutionMode m : ExecutionMode.values())
1371		for (Integer v1 : new Integer[] { 1, null })
1372	<	for (Integer v2 : new Integer[] { 2, null }) {
1140	<
1372	>	{
1373		final CompletableFuture<Integer> f = new CompletableFuture<>();
1374	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1375	<	final SubtractFunction r = new SubtractFunction();
1144	<	CompletableFuture<Integer> h = null;
1145	<	if (createIncomplete) h = m.thenCombine(f, g, r);
1374	>	final FailingRunnable[] rs = new FailingRunnable[6];
1375	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1376
1377	<	if (fFirst)
1378	<	f.complete(v1);
1379	<	else
1380	<	g.complete(v2);
1381	<	if (createIncomplete) checkIncomplete(h);
1382	<	assertEquals(0, r.invocationCount);
1383	<	if (!fFirst)
1384	<	f.complete(v1);
1385	<	else
1386	<	g.complete(v2);
1387	<	if (!createIncomplete) h = m.thenCombine(f, g, r);
1388	<
1389	<	checkCompletedNormally(h, subtract(v1, v2));
1377	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1378	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1379	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1380	>	assertTrue(f.complete(v1));
1381	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1382	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1383	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1384	>
1385	>	checkCompletedWithWrappedCFException(h0);
1386	>	checkCompletedWithWrappedCFException(h1);
1387	>	checkCompletedWithWrappedCFException(h2);
1388	>	checkCompletedWithWrappedCFException(h3);
1389	>	checkCompletedWithWrappedCFException(h4);
1390	>	checkCompletedWithWrappedCFException(h5);
1391		checkCompletedNormally(f, v1);
1392	<	checkCompletedNormally(g, v2);
1162	<	assertEquals(1, r.invocationCount);
1163	<	}
1164	<	}
1392	>	}}
1393
1394		/**
1395	<	* thenCombine result completes exceptionally after exceptional
1168	<	* completion of either source
1395	>	* thenApply result completes normally after normal completion of source
1396		*/
1397	<	public void testThenCombine_exceptionalCompletion1() {
1397	>	public void testThenApply_normalCompletion() {
1398		for (ExecutionMode m : ExecutionMode.values())
1399	<	for (Integer v1 : new Integer[] { 1, null }) {
1400	<
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	<
1399	>	for (Integer v1 : new Integer[] { 1, null })
1400	>	{
1401		final CompletableFuture<Integer> f = new CompletableFuture<>();
1402	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1403	<	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);
1402	>	final IncFunction[] rs = new IncFunction[4];
1403	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1404
1405	<	checkCompletedWithWrappedCFException(h, ex);
1406	<	checkCompletedWithWrappedCFException(g, ex);
1407	<	assertEquals(0, r.invocationCount);
1405	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1406	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1407	>	checkIncomplete(h0);
1408	>	checkIncomplete(h1);
1409	>	assertTrue(f.complete(v1));
1410	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1411	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1412	>
1413	>	checkCompletedNormally(h0, inc(v1));
1414	>	checkCompletedNormally(h1, inc(v1));
1415	>	checkCompletedNormally(h2, inc(v1));
1416	>	checkCompletedNormally(h3, inc(v1));
1417		checkCompletedNormally(f, v1);
1418	<	}
1419	<	}
1418	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1419	>	}}
1420
1421	<	public void testThenCombine_exceptionalCompletion3() {
1421	>	/**
1422	>	* thenApply result completes exceptionally after exceptional
1423	>	* completion of source
1424	>	*/
1425	>	public void testThenApply_exceptionalCompletion() {
1426		for (ExecutionMode m : ExecutionMode.values())
1427	<	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();
1427	>	{
1428		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	–
1429		final CompletableFuture<Integer> f = new CompletableFuture<>();
1430	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1431	<	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);
1430	>	final IncFunction[] rs = new IncFunction[4];
1431	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1432
1433	<	checkCompletedWithWrappedCFException(h, ex);
1434	<	checkCompletedWithWrappedCFException(f, ex);
1435	<	assertEquals(0, r.invocationCount);
1436	<	checkCompletedNormally(g, v1);
1437	<	}
1438	<	}
1433	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1434	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1435	>	assertTrue(f.completeExceptionally(ex));
1436	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1437	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1438	>
1439	>	checkCompletedWithWrappedException(h0, ex);
1440	>	checkCompletedWithWrappedException(h1, ex);
1441	>	checkCompletedWithWrappedException(h2, ex);
1442	>	checkCompletedWithWrappedException(h3, ex);
1443	>	checkCompletedExceptionally(f, ex);
1444	>	for (IncFunction r : rs) r.assertNotInvoked();
1445	>	}}
1446
1447		/**
1448	<	* thenCombine result completes exceptionally if action does
1448	>	* thenApply result completes exceptionally if source cancelled
1449		*/
1450	<	public void testThenCombine_actionFailed1() {
1450	>	public void testThenApply_sourceCancelled() {
1451		for (ExecutionMode m : ExecutionMode.values())
1452	<	for (Integer v1 : new Integer[] { 1, null })
1453	<	for (Integer v2 : new Integer[] { 2, null }) {
1259	<
1452	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1453	>	{
1454		final CompletableFuture<Integer> f = new CompletableFuture<>();
1455	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1456	<	final FailingBiFunction r = new FailingBiFunction();
1263	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1455	>	final IncFunction[] rs = new IncFunction[4];
1456	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1457
1458	<	f.complete(v1);
1459	<	checkIncomplete(h);
1460	<	g.complete(v2);
1458	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1459	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1460	>	assertTrue(f.cancel(mayInterruptIfRunning));
1461	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1462	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1463
1464	<	checkCompletedWithWrappedCFException(h);
1465	<	checkCompletedNormally(f, v1);
1466	<	checkCompletedNormally(g, v2);
1467	<	}
1468	<	}
1464	>	checkCompletedWithWrappedCancellationException(h0);
1465	>	checkCompletedWithWrappedCancellationException(h1);
1466	>	checkCompletedWithWrappedCancellationException(h2);
1467	>	checkCompletedWithWrappedCancellationException(h3);
1468	>	checkCancelled(f);
1469	>	for (IncFunction r : rs) r.assertNotInvoked();
1470	>	}}
1471
1472	<	public void testThenCombine_actionFailed2() {
1472	>	/**
1473	>	* thenApply result completes exceptionally if action does
1474	>	*/
1475	>	public void testThenApply_actionFailed() {
1476		for (ExecutionMode m : ExecutionMode.values())
1477		for (Integer v1 : new Integer[] { 1, null })
1478	<	for (Integer v2 : new Integer[] { 2, null }) {
1279	<
1478	>	{
1479		final CompletableFuture<Integer> f = new CompletableFuture<>();
1480	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1481	<	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);
1480	>	final FailingFunction[] rs = new FailingFunction[4];
1481	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1482
1483	<	checkCompletedWithWrappedCFException(h);
1483	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1484	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1485	>	assertTrue(f.complete(v1));
1486	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1487	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1488	>
1489	>	checkCompletedWithWrappedCFException(h0);
1490	>	checkCompletedWithWrappedCFException(h1);
1491	>	checkCompletedWithWrappedCFException(h2);
1492	>	checkCompletedWithWrappedCFException(h3);
1493		checkCompletedNormally(f, v1);
1494	<	checkCompletedNormally(g, v2);
1292	<	}
1293	<	}
1494	>	}}
1495
1496		/**
1497	<	* thenCombine result completes exceptionally if either source cancelled
1497	>	* thenAccept result completes normally after normal completion of source
1498		*/
1499	<	public void testThenCombine_sourceCancelled1() {
1499	>	public void testThenAccept_normalCompletion() {
1500		for (ExecutionMode m : ExecutionMode.values())
1501	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1502	<	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	<
1501	>	for (Integer v1 : new Integer[] { 1, null })
1502	>	{
1503		final CompletableFuture<Integer> f = new CompletableFuture<>();
1504	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1505	<	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);
1504	>	final NoopConsumer[] rs = new NoopConsumer[4];
1505	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1506
1507	<	checkCompletedWithWrappedCancellationException(h);
1508	<	checkCancelled(g);
1509	<	assertEquals(0, r.invocationCount);
1507	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1508	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1509	>	checkIncomplete(h0);
1510	>	checkIncomplete(h1);
1511	>	assertTrue(f.complete(v1));
1512	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1513	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1514	>
1515	>	checkCompletedNormally(h0, null);
1516	>	checkCompletedNormally(h1, null);
1517	>	checkCompletedNormally(h2, null);
1518	>	checkCompletedNormally(h3, null);
1519		checkCompletedNormally(f, v1);
1520	<	}
1521	<	}
1520	>	for (NoopConsumer r : rs) r.assertValue(v1);
1521	>	}}
1522
1523	<	public void testThenCombine_sourceCancelled3() {
1523	>	/**
1524	>	* thenAccept result completes exceptionally after exceptional
1525	>	* completion of source
1526	>	*/
1527	>	public void testThenAccept_exceptionalCompletion() {
1528		for (ExecutionMode m : ExecutionMode.values())
1529	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1530	<	for (Integer v1 : new Integer[] { 1, null }) {
1344	<
1529	>	{
1530	>	final CFException ex = new CFException();
1531		final CompletableFuture<Integer> f = new CompletableFuture<>();
1532	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1533	<	final SubtractFunction r = new SubtractFunction();
1532	>	final NoopConsumer[] rs = new NoopConsumer[4];
1533	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1534
1535	<	assertTrue(g.cancel(mayInterruptIfRunning));
1536	<	f.complete(v1);
1537	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1538	<
1539	<	checkCompletedWithWrappedCancellationException(h);
1540	<	checkCancelled(g);
1541	<	assertEquals(0, r.invocationCount);
1542	<	checkCompletedNormally(f, v1);
1543	<	}
1544	<	}
1535	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1536	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1537	>	assertTrue(f.completeExceptionally(ex));
1538	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1539	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1540	>
1541	>	checkCompletedWithWrappedException(h0, ex);
1542	>	checkCompletedWithWrappedException(h1, ex);
1543	>	checkCompletedWithWrappedException(h2, ex);
1544	>	checkCompletedWithWrappedException(h3, ex);
1545	>	checkCompletedExceptionally(f, ex);
1546	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1547	>	}}
1548
1549	<	public void testThenCombine_sourceCancelled4() {
1549	>	/**
1550	>	* thenAccept result completes exceptionally if source cancelled
1551	>	*/
1552	>	public void testThenAccept_sourceCancelled() {
1553		for (ExecutionMode m : ExecutionMode.values())
1554		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1555	<	for (Integer v1 : new Integer[] { 1, null }) {
1364	<
1555	>	{
1556		final CompletableFuture<Integer> f = new CompletableFuture<>();
1557	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1558	<	final SubtractFunction r = new SubtractFunction();
1557	>	final NoopConsumer[] rs = new NoopConsumer[4];
1558	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1559
1560	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1561	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1562		assertTrue(f.cancel(mayInterruptIfRunning));
1563	<	g.complete(v1);
1564	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1563	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1564	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1565
1566	<	checkCompletedWithWrappedCancellationException(h);
1566	>	checkCompletedWithWrappedCancellationException(h0);
1567	>	checkCompletedWithWrappedCancellationException(h1);
1568	>	checkCompletedWithWrappedCancellationException(h2);
1569	>	checkCompletedWithWrappedCancellationException(h3);
1570		checkCancelled(f);
1571	<	assertEquals(0, r.invocationCount);
1572	<	checkCompletedNormally(g, v1);
1377	<	}
1378	<	}
1571	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1572	>	}}
1573
1574		/**
1575	<	* thenAcceptBoth result completes normally after normal
1382	<	* completion of sources
1575	>	* thenAccept result completes exceptionally if action does
1576		*/
1577	<	public void testThenAcceptBoth_normalCompletion1() {
1577	>	public void testThenAccept_actionFailed() {
1578		for (ExecutionMode m : ExecutionMode.values())
1579		for (Integer v1 : new Integer[] { 1, null })
1580	<	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() {
1407	<	for (ExecutionMode m : ExecutionMode.values())
1408	<	for (Integer v1 : new Integer[] { 1, null })
1409	<	for (Integer v2 : new Integer[] { 2, null }) {
1410	<
1580	>	{
1581		final CompletableFuture<Integer> f = new CompletableFuture<>();
1582	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1583	<	final SubtractAction r = new SubtractAction();
1414	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1415	<
1416	<	g.complete(v2);
1417	<	checkIncomplete(h);
1418	<	assertEquals(0, r.invocationCount);
1419	<	f.complete(v1);
1582	>	final FailingConsumer[] rs = new FailingConsumer[4];
1583	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1584
1585	<	checkCompletedNormally(h, null);
1586	<	assertEquals(subtract(v1, v2), r.value);
1585	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1586	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1587	>	assertTrue(f.complete(v1));
1588	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1589	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1590	>
1591	>	checkCompletedWithWrappedCFException(h0);
1592	>	checkCompletedWithWrappedCFException(h1);
1593	>	checkCompletedWithWrappedCFException(h2);
1594	>	checkCompletedWithWrappedCFException(h3);
1595		checkCompletedNormally(f, v1);
1596	<	checkCompletedNormally(g, v2);
1425	<	}
1426	<	}
1596	>	}}
1597
1598	<	public void testThenAcceptBoth_normalCompletion3() {
1598	>	/**
1599	>	* thenCombine result completes normally after normal completion
1600	>	* of sources
1601	>	*/
1602	>	public void testThenCombine_normalCompletion() {
1603		for (ExecutionMode m : ExecutionMode.values())
1604	+	for (boolean fFirst : new boolean[] { true, false })
1605		for (Integer v1 : new Integer[] { 1, null })
1606	<	for (Integer v2 : new Integer[] { 2, null }) {
1607	<
1606	>	for (Integer v2 : new Integer[] { 2, null })
1607	>	{
1608		final CompletableFuture<Integer> f = new CompletableFuture<>();
1609		final CompletableFuture<Integer> g = new CompletableFuture<>();
1610	<	final SubtractAction r = new SubtractAction();
1610	>	final SubtractFunction[] rs = new SubtractFunction[6];
1611	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1612
1613	<	g.complete(v2);
1614	<	f.complete(v1);
1615	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1613	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1614	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1615	>	final Integer w1 =  fFirst ? v1 : v2;
1616	>	final Integer w2 = !fFirst ? v1 : v2;
1617	>
1618	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1619	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1620	>	assertTrue(fst.complete(w1));
1621	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1622	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1623	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1624	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1625	>	checkCompletedNormally(h1, subtract(w1, w1));
1626	>	checkCompletedNormally(h3, subtract(w1, w1));
1627	>	rs[1].assertValue(subtract(w1, w1));
1628	>	rs[3].assertValue(subtract(w1, w1));
1629	>	assertTrue(snd.complete(w2));
1630	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1631	>
1632	>	checkCompletedNormally(h0, subtract(v1, v2));
1633	>	checkCompletedNormally(h2, subtract(v1, v2));
1634	>	checkCompletedNormally(h4, subtract(v1, v2));
1635	>	rs[0].assertValue(subtract(v1, v2));
1636	>	rs[2].assertValue(subtract(v1, v2));
1637	>	rs[4].assertValue(subtract(v1, v2));
1638
1441	–	checkCompletedNormally(h, null);
1442	–	assertEquals(subtract(v1, v2), r.value);
1639		checkCompletedNormally(f, v1);
1640		checkCompletedNormally(g, v2);
1641	<	}
1446	<	}
1447	<
1448	<	public void testThenAcceptBoth_normalCompletion4() {
1449	<	for (ExecutionMode m : ExecutionMode.values())
1450	<	for (Integer v1 : new Integer[] { 1, null })
1451	<	for (Integer v2 : new Integer[] { 2, null }) {
1452	<
1453	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1454	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1455	<	final SubtractAction r = new SubtractAction();
1456	<
1457	<	f.complete(v1);
1458	<	g.complete(v2);
1459	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1460	<
1461	<	checkCompletedNormally(h, null);
1462	<	assertEquals(subtract(v1, v2), r.value);
1463	<	checkCompletedNormally(f, v1);
1464	<	checkCompletedNormally(g, v2);
1465	<	}
1466	<	}
1641	>	}}
1642
1643		/**
1644	<	* thenAcceptBoth result completes exceptionally after exceptional
1644	>	* thenCombine result completes exceptionally after exceptional
1645		* completion of either source
1646		*/
1647	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1647	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1648		for (ExecutionMode m : ExecutionMode.values())
1649	<	for (Integer v1 : new Integer[] { 1, null }) {
1650	<
1651	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1652	<	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() {
1494	<	for (ExecutionMode m : ExecutionMode.values())
1495	<	for (Integer v1 : new Integer[] { 1, null }) {
1496	<
1497	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1498	<	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	<
1649	>	for (boolean fFirst : new boolean[] { true, false })
1650	>	for (boolean failFirst : new boolean[] { true, false })
1651	>	for (Integer v1 : new Integer[] { 1, null })
1652	>	{
1653		final CompletableFuture<Integer> f = new CompletableFuture<>();
1654		final CompletableFuture<Integer> g = new CompletableFuture<>();
1540	–	final SubtractAction r = new SubtractAction();
1655		final CFException ex = new CFException();
1656	<
1657	<	f.completeExceptionally(ex);
1658	<	g.complete(v1);
1659	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1660	<
1661	<	checkCompletedWithWrappedCFException(h, ex);
1662	<	checkCompletedWithWrappedCFException(f, ex);
1663	<	assertEquals(0, r.invocationCount);
1664	<	checkCompletedNormally(g, v1);
1665	<	}
1666	<	}
1656	>	final SubtractFunction r1 = new SubtractFunction(m);
1657	>	final SubtractFunction r2 = new SubtractFunction(m);
1658	>	final SubtractFunction r3 = new SubtractFunction(m);
1659	>
1660	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1661	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1662	>	final Callable<Boolean> complete1 = failFirst ?
1663	>	() -> fst.completeExceptionally(ex) :
1664	>	() -> fst.complete(v1);
1665	>	final Callable<Boolean> complete2 = failFirst ?
1666	>	() -> snd.complete(v1) :
1667	>	() -> snd.completeExceptionally(ex);
1668	>
1669	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1670	>	assertTrue(complete1.call());
1671	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1672	>	checkIncomplete(h1);
1673	>	checkIncomplete(h2);
1674	>	assertTrue(complete2.call());
1675	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1676	>
1677	>	checkCompletedWithWrappedException(h1, ex);
1678	>	checkCompletedWithWrappedException(h2, ex);
1679	>	checkCompletedWithWrappedException(h3, ex);
1680	>	r1.assertNotInvoked();
1681	>	r2.assertNotInvoked();
1682	>	r3.assertNotInvoked();
1683	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1684	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1685	>	}}
1686
1687		/**
1688	<	* thenAcceptBoth result completes exceptionally if action does
1688	>	* thenCombine result completes exceptionally if either source cancelled
1689		*/
1690	<	public void testThenAcceptBoth_actionFailed1() {
1690	>	public void testThenCombine_sourceCancelled() throws Throwable {
1691		for (ExecutionMode m : ExecutionMode.values())
1692	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1693	+	for (boolean fFirst : new boolean[] { true, false })
1694	+	for (boolean failFirst : new boolean[] { true, false })
1695		for (Integer v1 : new Integer[] { 1, null })
1696	<	for (Integer v2 : new Integer[] { 2, null }) {
1561	<
1696	>	{
1697		final CompletableFuture<Integer> f = new CompletableFuture<>();
1698		final CompletableFuture<Integer> g = new CompletableFuture<>();
1699	<	final FailingBiConsumer r = new FailingBiConsumer();
1700	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1701	<
1702	<	f.complete(v1);
1703	<	checkIncomplete(h);
1704	<	g.complete(v2);
1705	<
1706	<	checkCompletedWithWrappedCFException(h);
1707	<	checkCompletedNormally(f, v1);
1708	<	checkCompletedNormally(g, v2);
1709	<	}
1710	<	}
1699	>	final SubtractFunction r1 = new SubtractFunction(m);
1700	>	final SubtractFunction r2 = new SubtractFunction(m);
1701	>	final SubtractFunction r3 = new SubtractFunction(m);
1702	>
1703	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1704	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1705	>	final Callable<Boolean> complete1 = failFirst ?
1706	>	() -> fst.cancel(mayInterruptIfRunning) :
1707	>	() -> fst.complete(v1);
1708	>	final Callable<Boolean> complete2 = failFirst ?
1709	>	() -> snd.complete(v1) :
1710	>	() -> snd.cancel(mayInterruptIfRunning);
1711	>
1712	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1713	>	assertTrue(complete1.call());
1714	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1715	>	checkIncomplete(h1);
1716	>	checkIncomplete(h2);
1717	>	assertTrue(complete2.call());
1718	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1719	>
1720	>	checkCompletedWithWrappedCancellationException(h1);
1721	>	checkCompletedWithWrappedCancellationException(h2);
1722	>	checkCompletedWithWrappedCancellationException(h3);
1723	>	r1.assertNotInvoked();
1724	>	r2.assertNotInvoked();
1725	>	r3.assertNotInvoked();
1726	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1727	>	checkCancelled(failFirst ? fst : snd);
1728	>	}}
1729
1730	<	public void testThenAcceptBoth_actionFailed2() {
1730	>	/**
1731	>	* thenCombine result completes exceptionally if action does
1732	>	*/
1733	>	public void testThenCombine_actionFailed() {
1734		for (ExecutionMode m : ExecutionMode.values())
1735	+	for (boolean fFirst : new boolean[] { true, false })
1736		for (Integer v1 : new Integer[] { 1, null })
1737	<	for (Integer v2 : new Integer[] { 2, null }) {
1738	<
1737	>	for (Integer v2 : new Integer[] { 2, null })
1738	>	{
1739		final CompletableFuture<Integer> f = new CompletableFuture<>();
1740		final CompletableFuture<Integer> g = new CompletableFuture<>();
1741	<	final FailingBiConsumer r = new FailingBiConsumer();
1742	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1743	<
1744	<	g.complete(v2);
1745	<	checkIncomplete(h);
1746	<	f.complete(v1);
1747	<
1748	<	checkCompletedWithWrappedCFException(h);
1741	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1742	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1743	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1744	>
1745	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1746	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1747	>	final Integer w1 =  fFirst ? v1 : v2;
1748	>	final Integer w2 = !fFirst ? v1 : v2;
1749	>
1750	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1751	>	assertTrue(fst.complete(w1));
1752	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1753	>	assertTrue(snd.complete(w2));
1754	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1755	>
1756	>	checkCompletedWithWrappedCFException(h1);
1757	>	checkCompletedWithWrappedCFException(h2);
1758	>	checkCompletedWithWrappedCFException(h3);
1759	>	r1.assertInvoked();
1760	>	r2.assertInvoked();
1761	>	r3.assertInvoked();
1762		checkCompletedNormally(f, v1);
1763		checkCompletedNormally(g, v2);
1764	<	}
1595	<	}
1764	>	}}
1765
1766		/**
1767	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1767	>	* thenAcceptBoth result completes normally after normal
1768	>	* completion of sources
1769		*/
1770	<	public void testThenAcceptBoth_sourceCancelled1() {
1601	<	for (ExecutionMode m : ExecutionMode.values())
1602	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1603	<	for (Integer v1 : new Integer[] { 1, null }) {
1604	<
1605	<	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() {
1770	>	public void testThenAcceptBoth_normalCompletion() {
1771		for (ExecutionMode m : ExecutionMode.values())
1772	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1773	<	for (Integer v1 : new Integer[] { 1, null }) {
1774	<
1775	<	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	<
1772	>	for (boolean fFirst : new boolean[] { true, false })
1773	>	for (Integer v1 : new Integer[] { 1, null })
1774	>	for (Integer v2 : new Integer[] { 2, null })
1775	>	{
1776		final CompletableFuture<Integer> f = new CompletableFuture<>();
1777		final CompletableFuture<Integer> g = new CompletableFuture<>();
1778	<	final SubtractAction r = new SubtractAction();
1779	<
1780	<	assertTrue(g.cancel(mayInterruptIfRunning));
1781	<	f.complete(v1);
1782	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1783	<
1784	<	checkCompletedWithWrappedCancellationException(h);
1785	<	checkCancelled(g);
1786	<	assertEquals(0, r.invocationCount);
1778	>	final SubtractAction r1 = new SubtractAction(m);
1779	>	final SubtractAction r2 = new SubtractAction(m);
1780	>	final SubtractAction r3 = new SubtractAction(m);
1781	>
1782	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1783	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1784	>	final Integer w1 =  fFirst ? v1 : v2;
1785	>	final Integer w2 = !fFirst ? v1 : v2;
1786	>
1787	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1788	>	assertTrue(fst.complete(w1));
1789	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1790	>	checkIncomplete(h1);
1791	>	checkIncomplete(h2);
1792	>	r1.assertNotInvoked();
1793	>	r2.assertNotInvoked();
1794	>	assertTrue(snd.complete(w2));
1795	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1796	>
1797	>	checkCompletedNormally(h1, null);
1798	>	checkCompletedNormally(h2, null);
1799	>	checkCompletedNormally(h3, null);
1800	>	r1.assertValue(subtract(v1, v2));
1801	>	r2.assertValue(subtract(v1, v2));
1802	>	r3.assertValue(subtract(v1, v2));
1803		checkCompletedNormally(f, v1);
1804	<	}
1805	<	}
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	<	}
1804	>	checkCompletedNormally(g, v2);
1805	>	}}
1806
1807		/**
1808	<	* runAfterBoth result completes normally after normal
1809	<	* completion of sources
1808	>	* thenAcceptBoth result completes exceptionally after exceptional
1809	>	* completion of either source
1810		*/
1811	<	public void testRunAfterBoth_normalCompletion1() {
1811	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1812		for (ExecutionMode m : ExecutionMode.values())
1813	+	for (boolean fFirst : new boolean[] { true, false })
1814	+	for (boolean failFirst : new boolean[] { true, false })
1815		for (Integer v1 : new Integer[] { 1, null })
1816	<	for (Integer v2 : new Integer[] { 2, null }) {
1690	<
1816	>	{
1817		final CompletableFuture<Integer> f = new CompletableFuture<>();
1818		final CompletableFuture<Integer> g = new CompletableFuture<>();
1819	<	final Noop r = new Noop();
1820	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1821	<
1822	<	f.complete(v1);
1823	<	checkIncomplete(h);
1824	<	assertEquals(0, r.invocationCount);
1825	<	g.complete(v2);
1826	<
1827	<	checkCompletedNormally(h, null);
1828	<	assertEquals(1, r.invocationCount);
1829	<	checkCompletedNormally(f, v1);
1830	<	checkCompletedNormally(g, v2);
1831	<	}
1832	<	}
1819	>	final CFException ex = new CFException();
1820	>	final SubtractAction r1 = new SubtractAction(m);
1821	>	final SubtractAction r2 = new SubtractAction(m);
1822	>	final SubtractAction r3 = new SubtractAction(m);
1823	>
1824	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1825	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1826	>	final Callable<Boolean> complete1 = failFirst ?
1827	>	() -> fst.completeExceptionally(ex) :
1828	>	() -> fst.complete(v1);
1829	>	final Callable<Boolean> complete2 = failFirst ?
1830	>	() -> snd.complete(v1) :
1831	>	() -> snd.completeExceptionally(ex);
1832	>
1833	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1834	>	assertTrue(complete1.call());
1835	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1836	>	checkIncomplete(h1);
1837	>	checkIncomplete(h2);
1838	>	assertTrue(complete2.call());
1839	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1840	>
1841	>	checkCompletedWithWrappedException(h1, ex);
1842	>	checkCompletedWithWrappedException(h2, ex);
1843	>	checkCompletedWithWrappedException(h3, ex);
1844	>	r1.assertNotInvoked();
1845	>	r2.assertNotInvoked();
1846	>	r3.assertNotInvoked();
1847	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1848	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1849	>	}}
1850
1851	<	public void testRunAfterBoth_normalCompletion2() {
1851	>	/**
1852	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1853	>	*/
1854	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1855		for (ExecutionMode m : ExecutionMode.values())
1856	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1857	+	for (boolean fFirst : new boolean[] { true, false })
1858	+	for (boolean failFirst : new boolean[] { true, false })
1859		for (Integer v1 : new Integer[] { 1, null })
1860	<	for (Integer v2 : new Integer[] { 2, null }) {
1712	<
1860	>	{
1861		final CompletableFuture<Integer> f = new CompletableFuture<>();
1862		final CompletableFuture<Integer> g = new CompletableFuture<>();
1863	<	final Noop r = new Noop();
1864	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1865	<
1866	<	g.complete(v2);
1867	<	checkIncomplete(h);
1868	<	assertEquals(0, r.invocationCount);
1869	<	f.complete(v1);
1870	<
1871	<	checkCompletedNormally(h, null);
1872	<	assertEquals(1, r.invocationCount);
1873	<	checkCompletedNormally(f, v1);
1874	<	checkCompletedNormally(g, v2);
1875	<	}
1876	<	}
1863	>	final SubtractAction r1 = new SubtractAction(m);
1864	>	final SubtractAction r2 = new SubtractAction(m);
1865	>	final SubtractAction r3 = new SubtractAction(m);
1866	>
1867	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1868	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1869	>	final Callable<Boolean> complete1 = failFirst ?
1870	>	() -> fst.cancel(mayInterruptIfRunning) :
1871	>	() -> fst.complete(v1);
1872	>	final Callable<Boolean> complete2 = failFirst ?
1873	>	() -> snd.complete(v1) :
1874	>	() -> snd.cancel(mayInterruptIfRunning);
1875	>
1876	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1877	>	assertTrue(complete1.call());
1878	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1879	>	checkIncomplete(h1);
1880	>	checkIncomplete(h2);
1881	>	assertTrue(complete2.call());
1882	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1883	>
1884	>	checkCompletedWithWrappedCancellationException(h1);
1885	>	checkCompletedWithWrappedCancellationException(h2);
1886	>	checkCompletedWithWrappedCancellationException(h3);
1887	>	r1.assertNotInvoked();
1888	>	r2.assertNotInvoked();
1889	>	r3.assertNotInvoked();
1890	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1891	>	checkCancelled(failFirst ? fst : snd);
1892	>	}}
1893
1894	<	public void testRunAfterBoth_normalCompletion3() {
1894	>	/**
1895	>	* thenAcceptBoth result completes exceptionally if action does
1896	>	*/
1897	>	public void testThenAcceptBoth_actionFailed() {
1898		for (ExecutionMode m : ExecutionMode.values())
1899	+	for (boolean fFirst : new boolean[] { true, false })
1900		for (Integer v1 : new Integer[] { 1, null })
1901	<	for (Integer v2 : new Integer[] { 2, null }) {
1902	<
1901	>	for (Integer v2 : new Integer[] { 2, null })
1902	>	{
1903		final CompletableFuture<Integer> f = new CompletableFuture<>();
1904		final CompletableFuture<Integer> g = new CompletableFuture<>();
1905	<	final Noop r = new Noop();
1906	<
1907	<	g.complete(v2);
1908	<	f.complete(v1);
1909	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1910	<
1911	<	checkCompletedNormally(h, null);
1912	<	assertEquals(1, r.invocationCount);
1905	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1906	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1907	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1908	>
1909	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1910	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1911	>	final Integer w1 =  fFirst ? v1 : v2;
1912	>	final Integer w2 = !fFirst ? v1 : v2;
1913	>
1914	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1915	>	assertTrue(fst.complete(w1));
1916	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1917	>	assertTrue(snd.complete(w2));
1918	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1919	>
1920	>	checkCompletedWithWrappedCFException(h1);
1921	>	checkCompletedWithWrappedCFException(h2);
1922	>	checkCompletedWithWrappedCFException(h3);
1923	>	r1.assertInvoked();
1924	>	r2.assertInvoked();
1925	>	r3.assertInvoked();
1926		checkCompletedNormally(f, v1);
1927		checkCompletedNormally(g, v2);
1928	<	}
1748	<	}
1928	>	}}
1929
1930	<	public void testRunAfterBoth_normalCompletion4() {
1930	>	/**
1931	>	* runAfterBoth result completes normally after normal
1932	>	* completion of sources
1933	>	*/
1934	>	public void testRunAfterBoth_normalCompletion() {
1935		for (ExecutionMode m : ExecutionMode.values())
1936	+	for (boolean fFirst : new boolean[] { true, false })
1937		for (Integer v1 : new Integer[] { 1, null })
1938	<	for (Integer v2 : new Integer[] { 2, null }) {
1939	<
1938	>	for (Integer v2 : new Integer[] { 2, null })
1939	>	{
1940		final CompletableFuture<Integer> f = new CompletableFuture<>();
1941		final CompletableFuture<Integer> g = new CompletableFuture<>();
1942	<	final Noop r = new Noop();
1943	<
1944	<	f.complete(v1);
1945	<	g.complete(v2);
1946	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1947	<
1948	<	checkCompletedNormally(h, null);
1949	<	assertEquals(1, r.invocationCount);
1942	>	final Noop r1 = new Noop(m);
1943	>	final Noop r2 = new Noop(m);
1944	>	final Noop r3 = new Noop(m);
1945	>
1946	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1947	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1948	>	final Integer w1 =  fFirst ? v1 : v2;
1949	>	final Integer w2 = !fFirst ? v1 : v2;
1950	>
1951	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1952	>	assertTrue(fst.complete(w1));
1953	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1954	>	checkIncomplete(h1);
1955	>	checkIncomplete(h2);
1956	>	r1.assertNotInvoked();
1957	>	r2.assertNotInvoked();
1958	>	assertTrue(snd.complete(w2));
1959	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1960	>
1961	>	checkCompletedNormally(h1, null);
1962	>	checkCompletedNormally(h2, null);
1963	>	checkCompletedNormally(h3, null);
1964	>	r1.assertInvoked();
1965	>	r2.assertInvoked();
1966	>	r3.assertInvoked();
1967		checkCompletedNormally(f, v1);
1968		checkCompletedNormally(g, v2);
1969	<	}
1768	<	}
1969	>	}}
1970
1971		/**
1972		* runAfterBoth result completes exceptionally after exceptional
1973		* completion of either source
1974		*/
1975	<	public void testRunAfterBoth_exceptionalCompletion1() {
1975	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1976		for (ExecutionMode m : ExecutionMode.values())
1977	<	for (Integer v1 : new Integer[] { 1, null }) {
1978	<
1979	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1980	<	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() {
1817	<	for (ExecutionMode m : ExecutionMode.values())
1818	<	for (Integer v1 : new Integer[] { 1, null }) {
1819	<
1820	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1821	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1822	<	final Noop r = new Noop();
1823	<	final CFException ex = new CFException();
1824	<
1825	<	g.completeExceptionally(ex);
1826	<	f.complete(v1);
1827	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1828	<
1829	<	checkCompletedWithWrappedCFException(h, ex);
1830	<	checkCompletedWithWrappedCFException(g, ex);
1831	<	assertEquals(0, r.invocationCount);
1832	<	checkCompletedNormally(f, v1);
1833	<	}
1834	<	}
1835	<
1836	<	public void testRunAfterBoth_exceptionalCompletion4() {
1837	<	for (ExecutionMode m : ExecutionMode.values())
1838	<	for (Integer v1 : new Integer[] { 1, null }) {
1839	<
1977	>	for (boolean fFirst : new boolean[] { true, false })
1978	>	for (boolean failFirst : new boolean[] { true, false })
1979	>	for (Integer v1 : new Integer[] { 1, null })
1980	>	{
1981		final CompletableFuture<Integer> f = new CompletableFuture<>();
1982		final CompletableFuture<Integer> g = new CompletableFuture<>();
1842	–	final Noop r = new Noop();
1983		final CFException ex = new CFException();
1984	<
1985	<	f.completeExceptionally(ex);
1986	<	g.complete(v1);
1987	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1988	<
1989	<	checkCompletedWithWrappedCFException(h, ex);
1990	<	checkCompletedWithWrappedCFException(f, ex);
1991	<	assertEquals(0, r.invocationCount);
1992	<	checkCompletedNormally(g, v1);
1993	<	}
1994	<	}
1984	>	final Noop r1 = new Noop(m);
1985	>	final Noop r2 = new Noop(m);
1986	>	final Noop r3 = new Noop(m);
1987	>
1988	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1989	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1990	>	final Callable<Boolean> complete1 = failFirst ?
1991	>	() -> fst.completeExceptionally(ex) :
1992	>	() -> fst.complete(v1);
1993	>	final Callable<Boolean> complete2 = failFirst ?
1994	>	() -> snd.complete(v1) :
1995	>	() -> snd.completeExceptionally(ex);
1996	>
1997	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1998	>	assertTrue(complete1.call());
1999	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2000	>	checkIncomplete(h1);
2001	>	checkIncomplete(h2);
2002	>	assertTrue(complete2.call());
2003	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2004	>
2005	>	checkCompletedWithWrappedException(h1, ex);
2006	>	checkCompletedWithWrappedException(h2, ex);
2007	>	checkCompletedWithWrappedException(h3, ex);
2008	>	r1.assertNotInvoked();
2009	>	r2.assertNotInvoked();
2010	>	r3.assertNotInvoked();
2011	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2012	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2013	>	}}
2014
2015		/**
2016	<	* runAfterBoth result completes exceptionally if action does
2016	>	* runAfterBoth result completes exceptionally if either source cancelled
2017		*/
2018	<	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() {
2018	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2019		for (ExecutionMode m : ExecutionMode.values())
2020	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2021	+	for (boolean fFirst : new boolean[] { true, false })
2022	+	for (boolean failFirst : new boolean[] { true, false })
2023		for (Integer v1 : new Integer[] { 1, null })
2024	<	for (Integer v2 : new Integer[] { 2, null }) {
1883	<
2024	>	{
2025		final CompletableFuture<Integer> f = new CompletableFuture<>();
2026		final CompletableFuture<Integer> g = new CompletableFuture<>();
2027	<	final FailingNoop r = new FailingNoop();
2028	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2029	<
2030	<	g.complete(v2);
2031	<	checkIncomplete(h);
2032	<	f.complete(v1);
2033	<
2034	<	checkCompletedWithWrappedCFException(h);
2035	<	checkCompletedNormally(f, v1);
2036	<	checkCompletedNormally(g, v2);
2037	<	}
2038	<	}
2027	>	final Noop r1 = new Noop(m);
2028	>	final Noop r2 = new Noop(m);
2029	>	final Noop r3 = new Noop(m);
2030	>
2031	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2032	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2033	>	final Callable<Boolean> complete1 = failFirst ?
2034	>	() -> fst.cancel(mayInterruptIfRunning) :
2035	>	() -> fst.complete(v1);
2036	>	final Callable<Boolean> complete2 = failFirst ?
2037	>	() -> snd.complete(v1) :
2038	>	() -> snd.cancel(mayInterruptIfRunning);
2039	>
2040	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2041	>	assertTrue(complete1.call());
2042	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2043	>	checkIncomplete(h1);
2044	>	checkIncomplete(h2);
2045	>	assertTrue(complete2.call());
2046	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2047	>
2048	>	checkCompletedWithWrappedCancellationException(h1);
2049	>	checkCompletedWithWrappedCancellationException(h2);
2050	>	checkCompletedWithWrappedCancellationException(h3);
2051	>	r1.assertNotInvoked();
2052	>	r2.assertNotInvoked();
2053	>	r3.assertNotInvoked();
2054	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2055	>	checkCancelled(failFirst ? fst : snd);
2056	>	}}
2057
2058		/**
2059	<	* runAfterBoth result completes exceptionally if either source cancelled
2059	>	* runAfterBoth result completes exceptionally if action does
2060		*/
2061	<	public void testRunAfterBoth_sourceCancelled1() {
2061	>	public void testRunAfterBoth_actionFailed() {
2062		for (ExecutionMode m : ExecutionMode.values())
2063	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2064	<	for (Integer v1 : new Integer[] { 1, null }) {
2065	<
2066	<	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	<
2063	>	for (boolean fFirst : new boolean[] { true, false })
2064	>	for (Integer v1 : new Integer[] { 1, null })
2065	>	for (Integer v2 : new Integer[] { 2, null })
2066	>	{
2067		final CompletableFuture<Integer> f = new CompletableFuture<>();
2068		final CompletableFuture<Integer> g = new CompletableFuture<>();
2069	<	final Noop r = new Noop();
2070	<
2071	<	assertTrue(g.cancel(mayInterruptIfRunning));
2072	<	f.complete(v1);
2073	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2074	<
2075	<	checkCompletedWithWrappedCancellationException(h);
2076	<	checkCancelled(g);
2077	<	assertEquals(0, r.invocationCount);
2069	>	final FailingRunnable r1 = new FailingRunnable(m);
2070	>	final FailingRunnable r2 = new FailingRunnable(m);
2071	>	final FailingRunnable r3 = new FailingRunnable(m);
2072	>
2073	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2074	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2075	>	final Integer w1 =  fFirst ? v1 : v2;
2076	>	final Integer w2 = !fFirst ? v1 : v2;
2077	>
2078	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2079	>	assertTrue(fst.complete(w1));
2080	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2081	>	assertTrue(snd.complete(w2));
2082	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2083	>
2084	>	checkCompletedWithWrappedCFException(h1);
2085	>	checkCompletedWithWrappedCFException(h2);
2086	>	checkCompletedWithWrappedCFException(h3);
2087	>	r1.assertInvoked();
2088	>	r2.assertInvoked();
2089	>	r3.assertInvoked();
2090		checkCompletedNormally(f, v1);
2091	<	}
2092	<	}
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	<	}
2091	>	checkCompletedNormally(g, v2);
2092	>	}}
2093
2094		/**
2095		* applyToEither result completes normally after normal completion
2096		* of either source
2097		*/
2098	<	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() {
2009	<	for (ExecutionMode m : ExecutionMode.values())
2010	<	for (Integer v1 : new Integer[] { 1, null })
2011	<	for (Integer v2 : new Integer[] { 2, null }) {
2012	<
2013	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2014	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2015	<	final IncFunction r = new IncFunction();
2016	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2017	<
2018	<	g.complete(v2);
2019	<	checkCompletedNormally(h, inc(v2));
2020	<	f.complete(v1);
2021	<
2022	<	checkCompletedNormally(f, v1);
2023	<	checkCompletedNormally(g, v2);
2024	<	checkCompletedNormally(h, inc(v2));
2025	<	}
2026	<	}
2027	<	public void testApplyToEither_normalCompletion3() {
2098	>	public void testApplyToEither_normalCompletion() {
2099		for (ExecutionMode m : ExecutionMode.values())
2100		for (Integer v1 : new Integer[] { 1, null })
2101	<	for (Integer v2 : new Integer[] { 2, null }) {
2102	<
2101	>	for (Integer v2 : new Integer[] { 2, null })
2102	>	{
2103		final CompletableFuture<Integer> f = new CompletableFuture<>();
2104		final CompletableFuture<Integer> g = new CompletableFuture<>();
2105	<	final IncFunction r = new IncFunction();
2105	>	final IncFunction[] rs = new IncFunction[6];
2106	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2107
2108	<	f.complete(v1);
2109	<	g.complete(v2);
2110	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2108	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2109	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2110	>	checkIncomplete(h0);
2111	>	checkIncomplete(h1);
2112	>	rs[0].assertNotInvoked();
2113	>	rs[1].assertNotInvoked();
2114	>	f.complete(v1);
2115	>	checkCompletedNormally(h0, inc(v1));
2116	>	checkCompletedNormally(h1, inc(v1));
2117	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2118	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2119	>	checkCompletedNormally(h2, inc(v1));
2120	>	checkCompletedNormally(h3, inc(v1));
2121	>	g.complete(v2);
2122	>
2123	>	// unspecified behavior - both source completions available
2124	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2125	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2126	>	rs[4].assertValue(h4.join());
2127	>	rs[5].assertValue(h5.join());
2128	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2129	>	Objects.equals(inc(v2), h4.join()));
2130	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2131	>	Objects.equals(inc(v2), h5.join()));
2132
2133		checkCompletedNormally(f, v1);
2134		checkCompletedNormally(g, v2);
2135	<
2136	<	// unspecified behavior
2137	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2138	<	Objects.equals(h.join(), inc(v2)));
2139	<	assertEquals(1, r.invocationCount);
2140	<	}
2048	<	}
2135	>	checkCompletedNormally(h0, inc(v1));
2136	>	checkCompletedNormally(h1, inc(v1));
2137	>	checkCompletedNormally(h2, inc(v1));
2138	>	checkCompletedNormally(h3, inc(v1));
2139	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2140	>	}}
2141
2142		/**
2143		* applyToEither result completes exceptionally after exceptional
2144		* completion of either source
2145		*/
2146	<	public void testApplyToEither_exceptionalCompletion1() {
2146	>	public void testApplyToEither_exceptionalCompletion() {
2147		for (ExecutionMode m : ExecutionMode.values())
2148	<	for (Integer v1 : new Integer[] { 1, null }) {
2149	<
2148	>	for (Integer v1 : new Integer[] { 1, null })
2149	>	{
2150		final CompletableFuture<Integer> f = new CompletableFuture<>();
2151		final CompletableFuture<Integer> g = new CompletableFuture<>();
2060	–	final IncFunction r = new IncFunction();
2061	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2152		final CFException ex = new CFException();
2153	+	final IncFunction[] rs = new IncFunction[6];
2154	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2155
2156	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2157	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2158	+	checkIncomplete(h0);
2159	+	checkIncomplete(h1);
2160	+	rs[0].assertNotInvoked();
2161	+	rs[1].assertNotInvoked();
2162		f.completeExceptionally(ex);
2163	<	checkCompletedWithWrappedCFException(h, ex);
2163	>	checkCompletedWithWrappedException(h0, ex);
2164	>	checkCompletedWithWrappedException(h1, ex);
2165	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2166	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2167	>	checkCompletedWithWrappedException(h2, ex);
2168	>	checkCompletedWithWrappedException(h3, ex);
2169		g.complete(v1);
2170
2171	<	assertEquals(0, r.invocationCount);
2172	<	checkCompletedNormally(g, v1);
2173	<	checkCompletedWithWrappedCFException(f, ex);
2174	<	checkCompletedWithWrappedCFException(h, ex);
2175	<	}
2176	<	}
2177	<
2178	<	public void testApplyToEither_exceptionalCompletion2() {
2179	<	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);
2171	>	// unspecified behavior - both source completions available
2172	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2173	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2174	>	try {
2175	>	assertEquals(inc(v1), h4.join());
2176	>	rs[4].assertValue(inc(v1));
2177	>	} catch (CompletionException ok) {
2178	>	checkCompletedWithWrappedException(h4, ex);
2179	>	rs[4].assertNotInvoked();
2180		}
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;
2181		try {
2182	<	assertEquals(inc(v1), h.join());
2183	<	assertEquals(1, r.invocationCount);
2182	>	assertEquals(inc(v1), h5.join());
2183	>	rs[5].assertValue(inc(v1));
2184		} catch (CompletionException ok) {
2185	<	checkCompletedWithWrappedCFException(h, ex);
2186	<	assertEquals(0, r.invocationCount);
2185	>	checkCompletedWithWrappedException(h5, ex);
2186	>	rs[5].assertNotInvoked();
2187		}
2188
2189	<	checkCompletedWithWrappedCFException(g, ex);
2190	<	checkCompletedNormally(f, v1);
2191	<	}
2192	<	}
2189	>	checkCompletedExceptionally(f, ex);
2190	>	checkCompletedNormally(g, v1);
2191	>	checkCompletedWithWrappedException(h0, ex);
2192	>	checkCompletedWithWrappedException(h1, ex);
2193	>	checkCompletedWithWrappedException(h2, ex);
2194	>	checkCompletedWithWrappedException(h3, ex);
2195	>	checkCompletedWithWrappedException(h4, ex);
2196	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2197	>	}}
2198
2199	<	public void testApplyToEither_exceptionalCompletion4() {
2199	>	public void testApplyToEither_exceptionalCompletion2() {
2200		for (ExecutionMode m : ExecutionMode.values())
2201	<	for (Integer v1 : new Integer[] { 1, null }) {
2202	<
2201	>	for (boolean fFirst : new boolean[] { true, false })
2202	>	for (Integer v1 : new Integer[] { 1, null })
2203	>	{
2204		final CompletableFuture<Integer> f = new CompletableFuture<>();
2205		final CompletableFuture<Integer> g = new CompletableFuture<>();
2130	–	final IncFunction r = new IncFunction();
2206		final CFException ex = new CFException();
2207	+	final IncFunction[] rs = new IncFunction[6];
2208	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2209
2210	<	f.completeExceptionally(ex);
2211	<	g.complete(v1);
2212	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2210	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2211	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2212	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2213	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2214	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2215	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2216
2217	<	// unspecified behavior
2138	<	Integer v;
2217	>	// unspecified behavior - both source completions available
2218		try {
2219	<	assertEquals(inc(v1), h.join());
2220	<	assertEquals(1, r.invocationCount);
2219	>	assertEquals(inc(v1), h0.join());
2220	>	rs[0].assertValue(inc(v1));
2221		} catch (CompletionException ok) {
2222	<	checkCompletedWithWrappedCFException(h, ex);
2223	<	assertEquals(0, r.invocationCount);
2222	>	checkCompletedWithWrappedException(h0, ex);
2223	>	rs[0].assertNotInvoked();
2224		}
2225	<
2226	<	checkCompletedWithWrappedCFException(f, ex);
2227	<	checkCompletedNormally(g, v1);
2225	>	try {
2226	>	assertEquals(inc(v1), h1.join());
2227	>	rs[1].assertValue(inc(v1));
2228	>	} catch (CompletionException ok) {
2229	>	checkCompletedWithWrappedException(h1, ex);
2230	>	rs[1].assertNotInvoked();
2231		}
2232	<	}
2233	<
2234	<	/**
2235	<	* applyToEither result completes exceptionally if action does
2236	<	*/
2237	<	public void testApplyToEither_actionFailed1() {
2238	<	for (ExecutionMode m : ExecutionMode.values())
2239	<	for (Integer v1 : new Integer[] { 1, null })
2240	<	for (Integer v2 : new Integer[] { 2, null }) {
2241	<
2242	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2243	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2244	<	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);
2232	>	try {
2233	>	assertEquals(inc(v1), h2.join());
2234	>	rs[2].assertValue(inc(v1));
2235	>	} catch (CompletionException ok) {
2236	>	checkCompletedWithWrappedException(h2, ex);
2237	>	rs[2].assertNotInvoked();
2238	>	}
2239	>	try {
2240	>	assertEquals(inc(v1), h3.join());
2241	>	rs[3].assertValue(inc(v1));
2242	>	} catch (CompletionException ok) {
2243	>	checkCompletedWithWrappedException(h3, ex);
2244	>	rs[3].assertNotInvoked();
2245		}
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);
2246
2183	–	g.complete(v2);
2184	–	checkCompletedWithWrappedCFException(h);
2185	–	f.complete(v1);
2247		checkCompletedNormally(f, v1);
2248	<	checkCompletedNormally(g, v2);
2249	<	}
2189	<	}
2248	>	checkCompletedExceptionally(g, ex);
2249	>	}}
2250
2251		/**
2252		* applyToEither result completes exceptionally if either source cancelled
2253		*/
2254	<	public void testApplyToEither_sourceCancelled1() {
2254	>	public void testApplyToEither_sourceCancelled() {
2255		for (ExecutionMode m : ExecutionMode.values())
2256		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2257	<	for (Integer v1 : new Integer[] { 1, null }) {
2258	<
2257	>	for (Integer v1 : new Integer[] { 1, null })
2258	>	{
2259		final CompletableFuture<Integer> f = new CompletableFuture<>();
2260		final CompletableFuture<Integer> g = new CompletableFuture<>();
2261	<	final IncFunction r = new IncFunction();
2262	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2261	>	final IncFunction[] rs = new IncFunction[6];
2262	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2263
2264	<	assertTrue(f.cancel(mayInterruptIfRunning));
2265	<	checkCompletedWithWrappedCancellationException(h);
2266	<	g.complete(v1);
2264	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2265	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2266	>	checkIncomplete(h0);
2267	>	checkIncomplete(h1);
2268	>	rs[0].assertNotInvoked();
2269	>	rs[1].assertNotInvoked();
2270	>	f.cancel(mayInterruptIfRunning);
2271	>	checkCompletedWithWrappedCancellationException(h0);
2272	>	checkCompletedWithWrappedCancellationException(h1);
2273	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2274	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2275	>	checkCompletedWithWrappedCancellationException(h2);
2276	>	checkCompletedWithWrappedCancellationException(h3);
2277	>	g.complete(v1);
2278	>
2279	>	// unspecified behavior - both source completions available
2280	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2281	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2282	>	try {
2283	>	assertEquals(inc(v1), h4.join());
2284	>	rs[4].assertValue(inc(v1));
2285	>	} catch (CompletionException ok) {
2286	>	checkCompletedWithWrappedCancellationException(h4);
2287	>	rs[4].assertNotInvoked();
2288	>	}
2289	>	try {
2290	>	assertEquals(inc(v1), h5.join());
2291	>	rs[5].assertValue(inc(v1));
2292	>	} catch (CompletionException ok) {
2293	>	checkCompletedWithWrappedCancellationException(h5);
2294	>	rs[5].assertNotInvoked();
2295	>	}
2296
2297		checkCancelled(f);
2209	–	assertEquals(0, r.invocationCount);
2298		checkCompletedNormally(g, v1);
2299	<	checkCompletedWithWrappedCancellationException(h);
2300	<	}
2301	<	}
2299	>	checkCompletedWithWrappedCancellationException(h0);
2300	>	checkCompletedWithWrappedCancellationException(h1);
2301	>	checkCompletedWithWrappedCancellationException(h2);
2302	>	checkCompletedWithWrappedCancellationException(h3);
2303	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2304	>	}}
2305
2306		public void testApplyToEither_sourceCancelled2() {
2307		for (ExecutionMode m : ExecutionMode.values())
2308		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2309	<	for (Integer v1 : new Integer[] { 1, null }) {
2310	<
2309	>	for (boolean fFirst : new boolean[] { true, false })
2310	>	for (Integer v1 : new Integer[] { 1, null })
2311	>	{
2312		final CompletableFuture<Integer> f = new CompletableFuture<>();
2313		final CompletableFuture<Integer> g = new CompletableFuture<>();
2314	<	final IncFunction r = new IncFunction();
2315	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2314	>	final IncFunction[] rs = new IncFunction[6];
2315	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2316
2317	<	assertTrue(g.cancel(mayInterruptIfRunning));
2318	<	checkCompletedWithWrappedCancellationException(h);
2319	<	f.complete(v1);
2317	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2318	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2319	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2320	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2321	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2322	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2323
2324	<	checkCancelled(g);
2325	<	assertEquals(0, r.invocationCount);
2326	<	checkCompletedNormally(f, v1);
2327	<	checkCompletedWithWrappedCancellationException(h);
2324	>	// unspecified behavior - both source completions available
2325	>	try {
2326	>	assertEquals(inc(v1), h0.join());
2327	>	rs[0].assertValue(inc(v1));
2328	>	} catch (CompletionException ok) {
2329	>	checkCompletedWithWrappedCancellationException(h0);
2330	>	rs[0].assertNotInvoked();
2331		}
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;
2332		try {
2333	<	assertEquals(inc(v1), h.join());
2334	<	assertEquals(1, r.invocationCount);
2333	>	assertEquals(inc(v1), h1.join());
2334	>	rs[1].assertValue(inc(v1));
2335		} catch (CompletionException ok) {
2336	<	checkCompletedWithWrappedCancellationException(h);
2337	<	assertEquals(0, r.invocationCount);
2336	>	checkCompletedWithWrappedCancellationException(h1);
2337	>	rs[1].assertNotInvoked();
2338		}
2339	<
2340	<	checkCancelled(g);
2341	<	checkCompletedNormally(f, v1);
2339	>	try {
2340	>	assertEquals(inc(v1), h2.join());
2341	>	rs[2].assertValue(inc(v1));
2342	>	} catch (CompletionException ok) {
2343	>	checkCompletedWithWrappedCancellationException(h2);
2344	>	rs[2].assertNotInvoked();
2345		}
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;
2346		try {
2347	<	assertEquals(inc(v1), h.join());
2348	<	assertEquals(1, r.invocationCount);
2347	>	assertEquals(inc(v1), h3.join());
2348	>	rs[3].assertValue(inc(v1));
2349		} catch (CompletionException ok) {
2350	<	checkCompletedWithWrappedCancellationException(h);
2351	<	assertEquals(0, r.invocationCount);
2350	>	checkCompletedWithWrappedCancellationException(h3);
2351	>	rs[3].assertNotInvoked();
2352		}
2353
2354	<	checkCancelled(f);
2355	<	checkCompletedNormally(g, v1);
2356	<	}
2290	<	}
2354	>	checkCompletedNormally(f, v1);
2355	>	checkCancelled(g);
2356	>	}}
2357
2358		/**
2359	<	* acceptEither result completes normally after normal completion
2294	<	* of either source
2359	>	* applyToEither result completes exceptionally if action does
2360		*/
2361	<	public void testAcceptEither_normalCompletion1() {
2361	>	public void testApplyToEither_actionFailed() {
2362		for (ExecutionMode m : ExecutionMode.values())
2363		for (Integer v1 : new Integer[] { 1, null })
2364	<	for (Integer v2 : new Integer[] { 2, null }) {
2365	<
2364	>	for (Integer v2 : new Integer[] { 2, null })
2365	>	{
2366		final CompletableFuture<Integer> f = new CompletableFuture<>();
2367		final CompletableFuture<Integer> g = new CompletableFuture<>();
2368	<	final IncAction r = new IncAction();
2369	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2368	>	final FailingFunction[] rs = new FailingFunction[6];
2369	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2370
2371	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2372	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2373		f.complete(v1);
2374	<	checkCompletedNormally(h, null);
2375	<	assertEquals(inc(v1), r.value);
2376	<	g.complete(v2);
2377	<
2378	<	checkCompletedNormally(f, v1);
2379	<	checkCompletedNormally(g, v2);
2380	<	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);
2374	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2375	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2376	>	checkCompletedWithWrappedCFException(h0);
2377	>	checkCompletedWithWrappedCFException(h1);
2378	>	checkCompletedWithWrappedCFException(h2);
2379	>	checkCompletedWithWrappedCFException(h3);
2380	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2381
2382		g.complete(v2);
2383	<	checkCompletedNormally(h, null);
2384	<	assertEquals(inc(v2), r.value);
2385	<	f.complete(v1);
2383	>
2384	>	// unspecified behavior - both source completions available
2385	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2386	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2387	>
2388	>	checkCompletedWithWrappedCFException(h4);
2389	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2390	>	Objects.equals(v2, rs[4].value));
2391	>	checkCompletedWithWrappedCFException(h5);
2392	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2393	>	Objects.equals(v2, rs[5].value));
2394
2395		checkCompletedNormally(f, v1);
2396		checkCompletedNormally(g, v2);
2397	<	checkCompletedNormally(h, null);
2398	<	}
2399	<	}
2400	<	public void testAcceptEither_normalCompletion3() {
2397	>	}}
2398	>
2399	>	/**
2400	>	* acceptEither result completes normally after normal completion
2401	>	* of either source
2402	>	*/
2403	>	public void testAcceptEither_normalCompletion() {
2404		for (ExecutionMode m : ExecutionMode.values())
2405		for (Integer v1 : new Integer[] { 1, null })
2406	<	for (Integer v2 : new Integer[] { 2, null }) {
2407	<
2406	>	for (Integer v2 : new Integer[] { 2, null })
2407	>	{
2408		final CompletableFuture<Integer> f = new CompletableFuture<>();
2409		final CompletableFuture<Integer> g = new CompletableFuture<>();
2410	<	final IncAction r = new IncAction();
2410	>	final NoopConsumer[] rs = new NoopConsumer[6];
2411	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2412
2413	<	f.complete(v1);
2414	<	g.complete(v2);
2415	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2413	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2414	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2415	>	checkIncomplete(h0);
2416	>	checkIncomplete(h1);
2417	>	rs[0].assertNotInvoked();
2418	>	rs[1].assertNotInvoked();
2419	>	f.complete(v1);
2420	>	checkCompletedNormally(h0, null);
2421	>	checkCompletedNormally(h1, null);
2422	>	rs[0].assertValue(v1);
2423	>	rs[1].assertValue(v1);
2424	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2425	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2426	>	checkCompletedNormally(h2, null);
2427	>	checkCompletedNormally(h3, null);
2428	>	rs[2].assertValue(v1);
2429	>	rs[3].assertValue(v1);
2430	>	g.complete(v2);
2431	>
2432	>	// unspecified behavior - both source completions available
2433	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2434	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2435	>	checkCompletedNormally(h4, null);
2436	>	checkCompletedNormally(h5, null);
2437	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2438	>	Objects.equals(v2, rs[4].value));
2439	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2440	>	Objects.equals(v2, rs[5].value));
2441
2350	–	checkCompletedNormally(h, null);
2442		checkCompletedNormally(f, v1);
2443		checkCompletedNormally(g, v2);
2444	<
2445	<	// unspecified behavior
2446	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2447	<	Objects.equals(r.value, inc(v2)));
2448	<	}
2449	<	}
2444	>	checkCompletedNormally(h0, null);
2445	>	checkCompletedNormally(h1, null);
2446	>	checkCompletedNormally(h2, null);
2447	>	checkCompletedNormally(h3, null);
2448	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2449	>	}}
2450
2451		/**
2452		* acceptEither result completes exceptionally after exceptional
2453		* completion of either source
2454		*/
2455	<	public void testAcceptEither_exceptionalCompletion1() {
2455	>	public void testAcceptEither_exceptionalCompletion() {
2456		for (ExecutionMode m : ExecutionMode.values())
2457	<	for (Integer v1 : new Integer[] { 1, null }) {
2458	<
2457	>	for (Integer v1 : new Integer[] { 1, null })
2458	>	{
2459		final CompletableFuture<Integer> f = new CompletableFuture<>();
2460		final CompletableFuture<Integer> g = new CompletableFuture<>();
2370	–	final IncAction r = new IncAction();
2371	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2461		final CFException ex = new CFException();
2462	+	final NoopConsumer[] rs = new NoopConsumer[6];
2463	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2464
2465	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2466	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2467	+	checkIncomplete(h0);
2468	+	checkIncomplete(h1);
2469	+	rs[0].assertNotInvoked();
2470	+	rs[1].assertNotInvoked();
2471		f.completeExceptionally(ex);
2472	<	checkCompletedWithWrappedCFException(h, ex);
2473	<	g.complete(v1);
2474	<
2475	<	assertEquals(0, r.invocationCount);
2476	<	checkCompletedNormally(g, v1);
2477	<	checkCompletedWithWrappedCFException(f, ex);
2381	<	checkCompletedWithWrappedCFException(h, ex);
2382	<	}
2383	<	}
2472	>	checkCompletedWithWrappedException(h0, ex);
2473	>	checkCompletedWithWrappedException(h1, ex);
2474	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2475	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2476	>	checkCompletedWithWrappedException(h2, ex);
2477	>	checkCompletedWithWrappedException(h3, ex);
2478
2479	<	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);
2479	>	g.complete(v1);
2480
2481	<	assertEquals(0, r.invocationCount);
2482	<	checkCompletedNormally(f, v1);
2483	<	checkCompletedWithWrappedCFException(g, ex);
2484	<	checkCompletedWithWrappedCFException(h, ex);
2481	>	// unspecified behavior - both source completions available
2482	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2483	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2484	>	try {
2485	>	assertNull(h4.join());
2486	>	rs[4].assertValue(v1);
2487	>	} catch (CompletionException ok) {
2488	>	checkCompletedWithWrappedException(h4, ex);
2489	>	rs[4].assertNotInvoked();
2490		}
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;
2491		try {
2492	<	assertNull(h.join());
2493	<	assertEquals(1, r.invocationCount);
2424	<	assertEquals(inc(v1), r.value);
2492	>	assertNull(h5.join());
2493	>	rs[5].assertValue(v1);
2494		} catch (CompletionException ok) {
2495	<	checkCompletedWithWrappedCFException(h, ex);
2496	<	assertEquals(0, r.invocationCount);
2495	>	checkCompletedWithWrappedException(h5, ex);
2496	>	rs[5].assertNotInvoked();
2497		}
2498
2499	<	checkCompletedWithWrappedCFException(g, ex);
2500	<	checkCompletedNormally(f, v1);
2501	<	}
2502	<	}
2499	>	checkCompletedExceptionally(f, ex);
2500	>	checkCompletedNormally(g, v1);
2501	>	checkCompletedWithWrappedException(h0, ex);
2502	>	checkCompletedWithWrappedException(h1, ex);
2503	>	checkCompletedWithWrappedException(h2, ex);
2504	>	checkCompletedWithWrappedException(h3, ex);
2505	>	checkCompletedWithWrappedException(h4, ex);
2506	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2507	>	}}
2508
2509	<	public void testAcceptEither_exceptionalCompletion4() {
2509	>	public void testAcceptEither_exceptionalCompletion2() {
2510		for (ExecutionMode m : ExecutionMode.values())
2511	<	for (Integer v1 : new Integer[] { 1, null }) {
2512	<
2511	>	for (boolean fFirst : new boolean[] { true, false })
2512	>	for (Integer v1 : new Integer[] { 1, null })
2513	>	{
2514		final CompletableFuture<Integer> f = new CompletableFuture<>();
2515		final CompletableFuture<Integer> g = new CompletableFuture<>();
2441	–	final IncAction r = new IncAction();
2516		final CFException ex = new CFException();
2517	+	final NoopConsumer[] rs = new NoopConsumer[6];
2518	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2519
2520	<	f.completeExceptionally(ex);
2521	<	g.complete(v1);
2522	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2520	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2521	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2522	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2523	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2524	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2525	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2526
2527	<	// unspecified behavior
2449	<	Integer v;
2527	>	// unspecified behavior - both source completions available
2528		try {
2529	<	assertNull(h.join());
2530	<	assertEquals(1, r.invocationCount);
2453	<	assertEquals(inc(v1), r.value);
2529	>	assertEquals(null, h0.join());
2530	>	rs[0].assertValue(v1);
2531		} catch (CompletionException ok) {
2532	<	checkCompletedWithWrappedCFException(h, ex);
2533	<	assertEquals(0, r.invocationCount);
2532	>	checkCompletedWithWrappedException(h0, ex);
2533	>	rs[0].assertNotInvoked();
2534		}
2535	<
2536	<	checkCompletedWithWrappedCFException(f, ex);
2537	<	checkCompletedNormally(g, v1);
2535	>	try {
2536	>	assertEquals(null, h1.join());
2537	>	rs[1].assertValue(v1);
2538	>	} catch (CompletionException ok) {
2539	>	checkCompletedWithWrappedException(h1, ex);
2540	>	rs[1].assertNotInvoked();
2541		}
2542	<	}
2543	<
2544	<	/**
2545	<	* acceptEither result completes exceptionally if action does
2546	<	*/
2547	<	public void testAcceptEither_actionFailed1() {
2548	<	for (ExecutionMode m : ExecutionMode.values())
2549	<	for (Integer v1 : new Integer[] { 1, null })
2550	<	for (Integer v2 : new Integer[] { 2, null }) {
2551	<
2552	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2553	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2554	<	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);
2542	>	try {
2543	>	assertEquals(null, h2.join());
2544	>	rs[2].assertValue(v1);
2545	>	} catch (CompletionException ok) {
2546	>	checkCompletedWithWrappedException(h2, ex);
2547	>	rs[2].assertNotInvoked();
2548	>	}
2549	>	try {
2550	>	assertEquals(null, h3.join());
2551	>	rs[3].assertValue(v1);
2552	>	} catch (CompletionException ok) {
2553	>	checkCompletedWithWrappedException(h3, ex);
2554	>	rs[3].assertNotInvoked();
2555		}
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);
2556
2495	–	g.complete(v2);
2496	–	checkCompletedWithWrappedCFException(h);
2497	–	f.complete(v1);
2557		checkCompletedNormally(f, v1);
2558	<	checkCompletedNormally(g, v2);
2559	<	}
2501	<	}
2558	>	checkCompletedExceptionally(g, ex);
2559	>	}}
2560
2561		/**
2562		* acceptEither result completes exceptionally if either source cancelled
2563		*/
2564	<	public void testAcceptEither_sourceCancelled1() {
2564	>	public void testAcceptEither_sourceCancelled() {
2565		for (ExecutionMode m : ExecutionMode.values())
2566		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2567	<	for (Integer v1 : new Integer[] { 1, null }) {
2568	<
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	<
2567	>	for (Integer v1 : new Integer[] { 1, null })
2568	>	{
2569		final CompletableFuture<Integer> f = new CompletableFuture<>();
2570		final CompletableFuture<Integer> g = new CompletableFuture<>();
2571	<	final IncAction r = new IncAction();
2572	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2536	<
2537	<	assertTrue(g.cancel(mayInterruptIfRunning));
2538	<	checkCompletedWithWrappedCancellationException(h);
2539	<	f.complete(v1);
2571	>	final NoopConsumer[] rs = new NoopConsumer[6];
2572	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2573
2574	<	checkCancelled(g);
2575	<	assertEquals(0, r.invocationCount);
2576	<	checkCompletedNormally(f, v1);
2577	<	checkCompletedWithWrappedCancellationException(h);
2578	<	}
2579	<	}
2574	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2575	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2576	>	checkIncomplete(h0);
2577	>	checkIncomplete(h1);
2578	>	rs[0].assertNotInvoked();
2579	>	rs[1].assertNotInvoked();
2580	>	f.cancel(mayInterruptIfRunning);
2581	>	checkCompletedWithWrappedCancellationException(h0);
2582	>	checkCompletedWithWrappedCancellationException(h1);
2583	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2584	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2585	>	checkCompletedWithWrappedCancellationException(h2);
2586	>	checkCompletedWithWrappedCancellationException(h3);
2587
2588	<	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 }) {
2552	<
2553	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2554	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2555	<	final IncAction r = new IncAction();
2556	<
2557	<	assertTrue(g.cancel(mayInterruptIfRunning));
2558	<	f.complete(v1);
2559	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2588	>	g.complete(v1);
2589
2590	<	// unspecified behavior
2591	<	Integer v;
2590	>	// unspecified behavior - both source completions available
2591	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2592	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2593		try {
2594	<	assertNull(h.join());
2595	<	assertEquals(1, r.invocationCount);
2566	<	assertEquals(inc(v1), r.value);
2594	>	assertNull(h4.join());
2595	>	rs[4].assertValue(v1);
2596		} catch (CompletionException ok) {
2597	<	checkCompletedWithWrappedCancellationException(h);
2598	<	assertEquals(0, r.invocationCount);
2597	>	checkCompletedWithWrappedCancellationException(h4);
2598	>	rs[4].assertNotInvoked();
2599		}
2571	–
2572	–	checkCancelled(g);
2573	–	checkCompletedNormally(f, v1);
2574	–	}
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;
2600		try {
2601	<	assertNull(h.join());
2602	<	assertEquals(1, r.invocationCount);
2595	<	assertEquals(inc(v1), r.value);
2601	>	assertNull(h5.join());
2602	>	rs[5].assertValue(v1);
2603		} catch (CompletionException ok) {
2604	<	checkCompletedWithWrappedCancellationException(h);
2605	<	assertEquals(0, r.invocationCount);
2604	>	checkCompletedWithWrappedCancellationException(h5);
2605	>	rs[5].assertNotInvoked();
2606		}
2607
2608		checkCancelled(f);
2609		checkCompletedNormally(g, v1);
2610	<	}
2611	<	}
2610	>	checkCompletedWithWrappedCancellationException(h0);
2611	>	checkCompletedWithWrappedCancellationException(h1);
2612	>	checkCompletedWithWrappedCancellationException(h2);
2613	>	checkCompletedWithWrappedCancellationException(h3);
2614	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2615	>	}}
2616
2617		/**
2618	<	* runAfterEither result completes normally after normal completion
2608	<	* of either source
2618	>	* acceptEither result completes exceptionally if action does
2619		*/
2620	<	public void testRunAfterEither_normalCompletion1() {
2620	>	public void testAcceptEither_actionFailed() {
2621		for (ExecutionMode m : ExecutionMode.values())
2622		for (Integer v1 : new Integer[] { 1, null })
2623	<	for (Integer v2 : new Integer[] { 2, null }) {
2624	<
2623	>	for (Integer v2 : new Integer[] { 2, null })
2624	>	{
2625		final CompletableFuture<Integer> f = new CompletableFuture<>();
2626		final CompletableFuture<Integer> g = new CompletableFuture<>();
2627	<	final Noop r = new Noop();
2628	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2627	>	final FailingConsumer[] rs = new FailingConsumer[6];
2628	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2629
2630	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2631	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2632		f.complete(v1);
2633	<	checkCompletedNormally(h, null);
2634	<	assertEquals(1, r.invocationCount);
2633	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2634	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2635	>	checkCompletedWithWrappedCFException(h0);
2636	>	checkCompletedWithWrappedCFException(h1);
2637	>	checkCompletedWithWrappedCFException(h2);
2638	>	checkCompletedWithWrappedCFException(h3);
2639	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2640	>
2641		g.complete(v2);
2642
2643	+	// unspecified behavior - both source completions available
2644	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2645	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2646	+
2647	+	checkCompletedWithWrappedCFException(h4);
2648	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2649	+	Objects.equals(v2, rs[4].value));
2650	+	checkCompletedWithWrappedCFException(h5);
2651	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2652	+	Objects.equals(v2, rs[5].value));
2653	+
2654		checkCompletedNormally(f, v1);
2655		checkCompletedNormally(g, v2);
2656	<	checkCompletedNormally(h, null);
2628	<	assertEquals(1, r.invocationCount);
2629	<	}
2630	<	}
2656	>	}}
2657
2658	<	public void testRunAfterEither_normalCompletion2() {
2658	>	/**
2659	>	* runAfterEither result completes normally after normal completion
2660	>	* of either source
2661	>	*/
2662	>	public void testRunAfterEither_normalCompletion() {
2663		for (ExecutionMode m : ExecutionMode.values())
2664		for (Integer v1 : new Integer[] { 1, null })
2665	<	for (Integer v2 : new Integer[] { 2, null }) {
2666	<
2665	>	for (Integer v2 : new Integer[] { 2, null })
2666	>	{
2667		final CompletableFuture<Integer> f = new CompletableFuture<>();
2668		final CompletableFuture<Integer> g = new CompletableFuture<>();
2669	<	final Noop r = new Noop();
2670	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2641	<
2642	<	g.complete(v2);
2643	<	checkCompletedNormally(h, null);
2644	<	assertEquals(1, r.invocationCount);
2645	<	f.complete(v1);
2646	<
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 }) {
2669	>	final Noop[] rs = new Noop[6];
2670	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2671
2672	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2673	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2674	<	final Noop r = new Noop();
2672	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2673	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2674	>	checkIncomplete(h0);
2675	>	checkIncomplete(h1);
2676	>	rs[0].assertNotInvoked();
2677	>	rs[1].assertNotInvoked();
2678	>	f.complete(v1);
2679	>	checkCompletedNormally(h0, null);
2680	>	checkCompletedNormally(h1, null);
2681	>	rs[0].assertInvoked();
2682	>	rs[1].assertInvoked();
2683	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2684	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2685	>	checkCompletedNormally(h2, null);
2686	>	checkCompletedNormally(h3, null);
2687	>	rs[2].assertInvoked();
2688	>	rs[3].assertInvoked();
2689
2662	–	f.complete(v1);
2690		g.complete(v2);
2664	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2691
2692	<	checkCompletedNormally(h, null);
2692	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2693	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2694	>
2695		checkCompletedNormally(f, v1);
2696		checkCompletedNormally(g, v2);
2697	<	assertEquals(1, r.invocationCount);
2698	<	}
2699	<	}
2697	>	checkCompletedNormally(h0, null);
2698	>	checkCompletedNormally(h1, null);
2699	>	checkCompletedNormally(h2, null);
2700	>	checkCompletedNormally(h3, null);
2701	>	checkCompletedNormally(h4, null);
2702	>	checkCompletedNormally(h5, null);
2703	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2704	>	}}
2705
2706		/**
2707		* runAfterEither result completes exceptionally after exceptional
2708		* completion of either source
2709		*/
2710	<	public void testRunAfterEither_exceptionalCompletion1() {
2710	>	public void testRunAfterEither_exceptionalCompletion() {
2711		for (ExecutionMode m : ExecutionMode.values())
2712	<	for (Integer v1 : new Integer[] { 1, null }) {
2713	<
2712	>	for (Integer v1 : new Integer[] { 1, null })
2713	>	{
2714		final CompletableFuture<Integer> f = new CompletableFuture<>();
2715		final CompletableFuture<Integer> g = new CompletableFuture<>();
2683	–	final Noop r = new Noop();
2684	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2716		final CFException ex = new CFException();
2717	+	final Noop[] rs = new Noop[6];
2718	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2719
2720	<	f.completeExceptionally(ex);
2721	<	checkCompletedWithWrappedCFException(h, ex);
2722	<	g.complete(v1);
2720	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2721	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2722	>	checkIncomplete(h0);
2723	>	checkIncomplete(h1);
2724	>	rs[0].assertNotInvoked();
2725	>	rs[1].assertNotInvoked();
2726	>	assertTrue(f.completeExceptionally(ex));
2727	>	checkCompletedWithWrappedException(h0, ex);
2728	>	checkCompletedWithWrappedException(h1, ex);
2729	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2730	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2731	>	checkCompletedWithWrappedException(h2, ex);
2732	>	checkCompletedWithWrappedException(h3, ex);
2733	>
2734	>	assertTrue(g.complete(v1));
2735	>
2736	>	// unspecified behavior - both source completions available
2737	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2738	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2739	>	try {
2740	>	assertNull(h4.join());
2741	>	rs[4].assertInvoked();
2742	>	} catch (CompletionException ok) {
2743	>	checkCompletedWithWrappedException(h4, ex);
2744	>	rs[4].assertNotInvoked();
2745	>	}
2746	>	try {
2747	>	assertNull(h5.join());
2748	>	rs[5].assertInvoked();
2749	>	} catch (CompletionException ok) {
2750	>	checkCompletedWithWrappedException(h5, ex);
2751	>	rs[5].assertNotInvoked();
2752	>	}
2753
2754	<	assertEquals(0, r.invocationCount);
2754	>	checkCompletedExceptionally(f, ex);
2755		checkCompletedNormally(g, v1);
2756	<	checkCompletedWithWrappedCFException(f, ex);
2757	<	checkCompletedWithWrappedCFException(h, ex);
2758	<	}
2759	<	}
2756	>	checkCompletedWithWrappedException(h0, ex);
2757	>	checkCompletedWithWrappedException(h1, ex);
2758	>	checkCompletedWithWrappedException(h2, ex);
2759	>	checkCompletedWithWrappedException(h3, ex);
2760	>	checkCompletedWithWrappedException(h4, ex);
2761	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2762	>	}}
2763
2764		public void testRunAfterEither_exceptionalCompletion2() {
2765		for (ExecutionMode m : ExecutionMode.values())
2766	<	for (Integer v1 : new Integer[] { 1, null }) {
2767	<
2768	<	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	<
2766	>	for (boolean fFirst : new boolean[] { true, false })
2767	>	for (Integer v1 : new Integer[] { 1, null })
2768	>	{
2769		final CompletableFuture<Integer> f = new CompletableFuture<>();
2770		final CompletableFuture<Integer> g = new CompletableFuture<>();
2725	–	final Noop r = new Noop();
2771		final CFException ex = new CFException();
2772	+	final Noop[] rs = new Noop[6];
2773	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2774
2775	<	g.completeExceptionally(ex);
2776	<	f.complete(v1);
2777	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2775	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2776	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2777	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2778	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2779	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2780	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2781
2782	<	// unspecified behavior
2733	<	Integer v;
2782	>	// unspecified behavior - both source completions available
2783		try {
2784	<	assertNull(h.join());
2785	<	assertEquals(1, r.invocationCount);
2784	>	assertEquals(null, h0.join());
2785	>	rs[0].assertInvoked();
2786		} catch (CompletionException ok) {
2787	<	checkCompletedWithWrappedCFException(h, ex);
2788	<	assertEquals(0, r.invocationCount);
2740	<	}
2741	<
2742	<	checkCompletedWithWrappedCFException(g, ex);
2743	<	checkCompletedNormally(f, v1);
2787	>	checkCompletedWithWrappedException(h0, ex);
2788	>	rs[0].assertNotInvoked();
2789		}
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;
2790		try {
2791	<	assertNull(h.join());
2792	<	assertEquals(1, r.invocationCount);
2791	>	assertEquals(null, h1.join());
2792	>	rs[1].assertInvoked();
2793		} catch (CompletionException ok) {
2794	<	checkCompletedWithWrappedCFException(h, ex);
2795	<	assertEquals(0, r.invocationCount);
2794	>	checkCompletedWithWrappedException(h1, ex);
2795	>	rs[1].assertNotInvoked();
2796		}
2797	<
2798	<	checkCompletedWithWrappedCFException(f, ex);
2799	<	checkCompletedNormally(g, v1);
2797	>	try {
2798	>	assertEquals(null, h2.join());
2799	>	rs[2].assertInvoked();
2800	>	} catch (CompletionException ok) {
2801	>	checkCompletedWithWrappedException(h2, ex);
2802	>	rs[2].assertNotInvoked();
2803		}
2804	<	}
2805	<
2806	<	/**
2807	<	* runAfterEither result completes exceptionally if action does
2808	<	*/
2809	<	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);
2804	>	try {
2805	>	assertEquals(null, h3.join());
2806	>	rs[3].assertInvoked();
2807	>	} catch (CompletionException ok) {
2808	>	checkCompletedWithWrappedException(h3, ex);
2809	>	rs[3].assertNotInvoked();
2810		}
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 }) {
2811
2801	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2802	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2803	–	final FailingNoop r = new FailingNoop();
2804	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2805	–
2806	–	g.complete(v2);
2807	–	checkCompletedWithWrappedCFException(h);
2808	–	f.complete(v1);
2812		checkCompletedNormally(f, v1);
2813	<	checkCompletedNormally(g, v2);
2814	<	}
2812	<	}
2813	>	checkCompletedExceptionally(g, ex);
2814	>	}}
2815
2816		/**
2817		* runAfterEither result completes exceptionally if either source cancelled
2818		*/
2819	<	public void testRunAfterEither_sourceCancelled1() {
2819	>	public void testRunAfterEither_sourceCancelled() {
2820		for (ExecutionMode m : ExecutionMode.values())
2821		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2822	<	for (Integer v1 : new Integer[] { 1, null }) {
2823	<
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() {
2839	<	for (ExecutionMode m : ExecutionMode.values())
2840	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2841	<	for (Integer v1 : new Integer[] { 1, null }) {
2842	<
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	<
2822	>	for (Integer v1 : new Integer[] { 1, null })
2823	>	{
2824		final CompletableFuture<Integer> f = new CompletableFuture<>();
2825		final CompletableFuture<Integer> g = new CompletableFuture<>();
2826	<	final Noop r = new Noop();
2827	<
2868	<	assertTrue(g.cancel(mayInterruptIfRunning));
2869	<	f.complete(v1);
2870	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2826	>	final Noop[] rs = new Noop[6];
2827	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2828
2829	<	// unspecified behavior
2830	<	Integer v;
2829	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2830	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2831	>	checkIncomplete(h0);
2832	>	checkIncomplete(h1);
2833	>	rs[0].assertNotInvoked();
2834	>	rs[1].assertNotInvoked();
2835	>	f.cancel(mayInterruptIfRunning);
2836	>	checkCompletedWithWrappedCancellationException(h0);
2837	>	checkCompletedWithWrappedCancellationException(h1);
2838	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2839	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2840	>	checkCompletedWithWrappedCancellationException(h2);
2841	>	checkCompletedWithWrappedCancellationException(h3);
2842	>
2843	>	assertTrue(g.complete(v1));
2844	>
2845	>	// unspecified behavior - both source completions available
2846	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2847	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2848		try {
2849	<	assertNull(h.join());
2850	<	assertEquals(1, r.invocationCount);
2849	>	assertNull(h4.join());
2850	>	rs[4].assertInvoked();
2851		} catch (CompletionException ok) {
2852	<	checkCompletedWithWrappedCancellationException(h);
2853	<	assertEquals(0, r.invocationCount);
2852	>	checkCompletedWithWrappedCancellationException(h4);
2853	>	rs[4].assertNotInvoked();
2854		}
2881	–
2882	–	checkCancelled(g);
2883	–	checkCompletedNormally(f, v1);
2884	–	}
2885	–	}
2886	–
2887	–	public void testRunAfterEither_sourceCancelled4() {
2888	–	for (ExecutionMode m : ExecutionMode.values())
2889	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2890	–	for (Integer v1 : new Integer[] { 1, null }) {
2891	–
2892	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2893	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2894	–	final Noop r = new Noop();
2895	–
2896	–	assertTrue(f.cancel(mayInterruptIfRunning));
2897	–	g.complete(v1);
2898	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2899	–
2900	–	// unspecified behavior
2901	–	Integer v;
2855		try {
2856	<	assertNull(h.join());
2857	<	assertEquals(1, r.invocationCount);
2856	>	assertNull(h5.join());
2857	>	rs[5].assertInvoked();
2858		} catch (CompletionException ok) {
2859	<	checkCompletedWithWrappedCancellationException(h);
2860	<	assertEquals(0, r.invocationCount);
2859	>	checkCompletedWithWrappedCancellationException(h5);
2860	>	rs[5].assertNotInvoked();
2861		}
2862
2863		checkCancelled(f);
2864		checkCompletedNormally(g, v1);
2865	<	}
2866	<	}
2865	>	checkCompletedWithWrappedCancellationException(h0);
2866	>	checkCompletedWithWrappedCancellationException(h1);
2867	>	checkCompletedWithWrappedCancellationException(h2);
2868	>	checkCompletedWithWrappedCancellationException(h3);
2869	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2870	>	}}
2871
2872		/**
2873	<	* thenCompose result completes normally after normal completion of source
2873	>	* runAfterEither result completes exceptionally if action does
2874		*/
2875	<	public void testThenCompose_normalCompletion1() {
2875	>	public void testRunAfterEither_actionFailed() {
2876		for (ExecutionMode m : ExecutionMode.values())
2877	<	for (Integer v1 : new Integer[] { 1, null }) {
2878	<
2877	>	for (Integer v1 : new Integer[] { 1, null })
2878	>	for (Integer v2 : new Integer[] { 2, null })
2879	>	{
2880		final CompletableFuture<Integer> f = new CompletableFuture<>();
2881	<	final CompletableFutureInc r = new CompletableFutureInc();
2882	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2883	<	f.complete(v1);
2884	<	checkCompletedNormally(g, inc(v1));
2881	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2882	>	final FailingRunnable[] rs = new FailingRunnable[6];
2883	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2884	>
2885	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2886	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2887	>	assertTrue(f.complete(v1));
2888	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2889	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2890	>	checkCompletedWithWrappedCFException(h0);
2891	>	checkCompletedWithWrappedCFException(h1);
2892	>	checkCompletedWithWrappedCFException(h2);
2893	>	checkCompletedWithWrappedCFException(h3);
2894	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2895	>	assertTrue(g.complete(v2));
2896	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2897	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2898	>	checkCompletedWithWrappedCFException(h4);
2899	>	checkCompletedWithWrappedCFException(h5);
2900	>
2901		checkCompletedNormally(f, v1);
2902	<	assertEquals(1, r.invocationCount);
2903	<	}
2904	<	}
2902	>	checkCompletedNormally(g, v2);
2903	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2904	>	}}
2905
2906	<	public void testThenCompose_normalCompletion2() {
2906	>	/**
2907	>	* thenCompose result completes normally after normal completion of source
2908	>	*/
2909	>	public void testThenCompose_normalCompletion() {
2910		for (ExecutionMode m : ExecutionMode.values())
2911	<	for (Integer v1 : new Integer[] { 1, null }) {
2912	<
2911	>	for (boolean createIncomplete : new boolean[] { true, false })
2912	>	for (Integer v1 : new Integer[] { 1, null })
2913	>	{
2914		final CompletableFuture<Integer> f = new CompletableFuture<>();
2915	<	final CompletableFutureInc r = new CompletableFutureInc();
2916	<	f.complete(v1);
2917	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2915	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2916	>	if (!createIncomplete) assertTrue(f.complete(v1));
2917	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2918	>	if (createIncomplete) assertTrue(f.complete(v1));
2919	>
2920		checkCompletedNormally(g, inc(v1));
2921		checkCompletedNormally(f, v1);
2922	<	assertEquals(1, r.invocationCount);
2923	<	}
2944	<	}
2922	>	r.assertValue(v1);
2923	>	}}
2924
2925		/**
2926		* thenCompose result completes exceptionally after exceptional
2927		* completion of source
2928		*/
2929	<	public void testThenCompose_exceptionalCompletion1() {
2930	<	for (ExecutionMode m : ExecutionMode.values()) {
2931	<
2929	>	public void testThenCompose_exceptionalCompletion() {
2930	>	for (ExecutionMode m : ExecutionMode.values())
2931	>	for (boolean createIncomplete : new boolean[] { true, false })
2932	>	{
2933		final CFException ex = new CFException();
2934	<	final CompletableFutureInc r = new CompletableFutureInc();
2934	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2935		final CompletableFuture<Integer> f = new CompletableFuture<>();
2936	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2937	<	f.completeExceptionally(ex);
2938	<	checkCompletedWithWrappedCFException(g, ex);
2959	<	checkCompletedWithWrappedCFException(f, ex);
2960	<	}
2961	<	}
2962	<
2963	<	public void testThenCompose_exceptionalCompletion2() {
2964	<	for (ExecutionMode m : ExecutionMode.values()) {
2936	>	if (!createIncomplete) f.completeExceptionally(ex);
2937	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2938	>	if (createIncomplete) f.completeExceptionally(ex);
2939
2940	<	final CFException ex = new CFException();
2941	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2942	<	f.completeExceptionally(ex);
2943	<	final CompletableFutureInc r = new CompletableFutureInc();
2970	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2971	<	checkCompletedWithWrappedCFException(g, ex);
2972	<	checkCompletedWithWrappedCFException(f, ex);
2973	<	}
2974	<	}
2940	>	checkCompletedWithWrappedException(g, ex);
2941	>	checkCompletedExceptionally(f, ex);
2942	>	r.assertNotInvoked();
2943	>	}}
2944
2945		/**
2946		* thenCompose result completes exceptionally if action does
2947		*/
2948	<	public void testThenCompose_actionFailed1() {
2948	>	public void testThenCompose_actionFailed() {
2949		for (ExecutionMode m : ExecutionMode.values())
2950	<	for (Integer v1 : new Integer[] { 1, null }) {
2951	<
2950	>	for (boolean createIncomplete : new boolean[] { true, false })
2951	>	for (Integer v1 : new Integer[] { 1, null })
2952	>	{
2953		final CompletableFuture<Integer> f = new CompletableFuture<>();
2954		final FailingCompletableFutureFunction r
2955	<	= new FailingCompletableFutureFunction();
2956	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2957	<	f.complete(v1);
2958	<	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 }) {
2955	>	= new FailingCompletableFutureFunction(m);
2956	>	if (!createIncomplete) assertTrue(f.complete(v1));
2957	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2958	>	if (createIncomplete) assertTrue(f.complete(v1));
2959
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);
2960		checkCompletedWithWrappedCFException(g);
2961		checkCompletedNormally(f, v1);
2962	<	}
3005	<	}
2962	>	}}
2963
2964		/**
2965		* thenCompose result completes exceptionally if source cancelled
2966		*/
2967	<	public void testThenCompose_sourceCancelled1() {
2967	>	public void testThenCompose_sourceCancelled() {
2968		for (ExecutionMode m : ExecutionMode.values())
2969	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
2970	<
2969	>	for (boolean createIncomplete : new boolean[] { true, false })
2970	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2971	>	{
2972		final CompletableFuture<Integer> f = new CompletableFuture<>();
2973	<	final CompletableFutureInc r = new CompletableFutureInc();
2974	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2975	<	assertTrue(f.cancel(mayInterruptIfRunning));
2976	<	checkCompletedWithWrappedCancellationException(g);
2977	<	checkCancelled(f);
2973	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2974	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2975	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2976	>	if (createIncomplete) {
2977	>	checkIncomplete(g);
2978	>	assertTrue(f.cancel(mayInterruptIfRunning));
2979		}
3021	–	}
3022	–
3023	–	public void testThenCompose_sourceCancelled2() {
3024	–	for (ExecutionMode m : ExecutionMode.values())
3025	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
2980
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);
2981		checkCompletedWithWrappedCancellationException(g);
2982		checkCancelled(f);
2983	<	}
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	<	}
2983	>	}}
2984
2985		/**
2986	<	* thenAcceptAsync result completes exceptionally if action does
2986	>	* thenCompose result completes exceptionally if the result of the action does
2987		*/
2988	<	public void testThenAcceptAsync3E() {
2989	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2990	<	FailingConsumer r = new FailingConsumer();
2991	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2992	<	f.complete(null);
2993	<	checkCompletedWithWrappedCFException(g);
2994	<	}
2988	>	public void testThenCompose_actionReturnsFailingFuture() {
2989	>	for (ExecutionMode m : ExecutionMode.values())
2990	>	for (int order = 0; order < 6; order++)
2991	>	for (Integer v1 : new Integer[] { 1, null })
2992	>	{
2993	>	final CFException ex = new CFException();
2994	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2995	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2996	>	final CompletableFuture<Integer> h;
2997	>	// Test all permutations of orders
2998	>	switch (order) {
2999	>	case 0:
3000	>	assertTrue(f.complete(v1));
3001	>	assertTrue(g.completeExceptionally(ex));
3002	>	h = m.thenCompose(f, (x -> g));
3003	>	break;
3004	>	case 1:
3005	>	assertTrue(f.complete(v1));
3006	>	h = m.thenCompose(f, (x -> g));
3007	>	assertTrue(g.completeExceptionally(ex));
3008	>	break;
3009	>	case 2:
3010	>	assertTrue(g.completeExceptionally(ex));
3011	>	assertTrue(f.complete(v1));
3012	>	h = m.thenCompose(f, (x -> g));
3013	>	break;
3014	>	case 3:
3015	>	assertTrue(g.completeExceptionally(ex));
3016	>	h = m.thenCompose(f, (x -> g));
3017	>	assertTrue(f.complete(v1));
3018	>	break;
3019	>	case 4:
3020	>	h = m.thenCompose(f, (x -> g));
3021	>	assertTrue(f.complete(v1));
3022	>	assertTrue(g.completeExceptionally(ex));
3023	>	break;
3024	>	case 5:
3025	>	h = m.thenCompose(f, (x -> g));
3026	>	assertTrue(f.complete(v1));
3027	>	assertTrue(g.completeExceptionally(ex));
3028	>	break;
3029	>	default: throw new AssertionError();
3030	>	}
3031
3032	<	/**
3033	<	* thenAcceptAsync result completes exceptionally if source cancelled
3034	<	*/
3035	<	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	<	}
3032	>	checkCompletedExceptionally(g, ex);
3033	>	checkCompletedWithWrappedException(h, ex);
3034	>	checkCompletedNormally(f, v1);
3035	>	}}
3036
3037		// other static methods
3038
#	Line 3343 | Line 3050 | public class CompletableFutureTest exten
3050		* when all components complete normally
3051		*/
3052		public void testAllOf_normal() throws Exception {
3053	<	for (int k = 1; k < 20; ++k) {
3054	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3055	<	for (int i = 0; i < k; ++i)
3053	>	for (int k = 1; k < 10; k++) {
3054	>	CompletableFuture<Integer>[] fs
3055	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3056	>	for (int i = 0; i < k; i++)
3057		fs[i] = new CompletableFuture<>();
3058		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3059	<	for (int i = 0; i < k; ++i) {
3059	>	for (int i = 0; i < k; i++) {
3060		checkIncomplete(f);
3061		checkIncomplete(CompletableFuture.allOf(fs));
3062		fs[i].complete(one);
#	Line 3358 | Line 3066 | public class CompletableFutureTest exten
3066		}
3067		}
3068
3069	+	public void testAllOf_backwards() throws Exception {
3070	+	for (int k = 1; k < 10; k++) {
3071	+	CompletableFuture<Integer>[] fs
3072	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3073	+	for (int i = 0; i < k; i++)
3074	+	fs[i] = new CompletableFuture<>();
3075	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3076	+	for (int i = k - 1; i >= 0; i--) {
3077	+	checkIncomplete(f);
3078	+	checkIncomplete(CompletableFuture.allOf(fs));
3079	+	fs[i].complete(one);
3080	+	}
3081	+	checkCompletedNormally(f, null);
3082	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3083	+	}
3084	+	}
3085	+
3086	+	public void testAllOf_exceptional() throws Exception {
3087	+	for (int k = 1; k < 10; k++) {
3088	+	CompletableFuture<Integer>[] fs
3089	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3090	+	CFException ex = new CFException();
3091	+	for (int i = 0; i < k; i++)
3092	+	fs[i] = new CompletableFuture<>();
3093	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3094	+	for (int i = 0; i < k; i++) {
3095	+	checkIncomplete(f);
3096	+	checkIncomplete(CompletableFuture.allOf(fs));
3097	+	if (i != k / 2) {
3098	+	fs[i].complete(i);
3099	+	checkCompletedNormally(fs[i], i);
3100	+	} else {
3101	+	fs[i].completeExceptionally(ex);
3102	+	checkCompletedExceptionally(fs[i], ex);
3103	+	}
3104	+	}
3105	+	checkCompletedWithWrappedException(f, ex);
3106	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3107	+	}
3108	+	}
3109	+
3110		/**
3111		* anyOf(no component futures) returns an incomplete future
3112		*/
3113		public void testAnyOf_empty() throws Exception {
3114	+	for (Integer v1 : new Integer[] { 1, null })
3115	+	{
3116		CompletableFuture<Object> f = CompletableFuture.anyOf();
3117		checkIncomplete(f);
3118	<	}
3118	>
3119	>	f.complete(v1);
3120	>	checkCompletedNormally(f, v1);
3121	>	}}
3122
3123		/**
3124		* anyOf returns a future completed normally with a value when
3125		* a component future does
3126		*/
3127		public void testAnyOf_normal() throws Exception {
3128	<	for (int k = 0; k < 10; ++k) {
3128	>	for (int k = 0; k < 10; k++) {
3129		CompletableFuture[] fs = new CompletableFuture[k];
3130	<	for (int i = 0; i < k; ++i)
3130	>	for (int i = 0; i < k; i++)
3131		fs[i] = new CompletableFuture<>();
3132		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3133		checkIncomplete(f);
3134	<	for (int i = 0; i < k; ++i) {
3135	<	fs[i].complete(one);
3136	<	checkCompletedNormally(f, one);
3137	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3134	>	for (int i = 0; i < k; i++) {
3135	>	fs[i].complete(i);
3136	>	checkCompletedNormally(f, 0);
3137	>	int x = (int) CompletableFuture.anyOf(fs).join();
3138	>	assertTrue(0 <= x && x <= i);
3139	>	}
3140	>	}
3141	>	}
3142	>	public void testAnyOf_normal_backwards() throws Exception {
3143	>	for (int k = 0; k < 10; k++) {
3144	>	CompletableFuture[] fs = new CompletableFuture[k];
3145	>	for (int i = 0; i < k; i++)
3146	>	fs[i] = new CompletableFuture<>();
3147	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3148	>	checkIncomplete(f);
3149	>	for (int i = k - 1; i >= 0; i--) {
3150	>	fs[i].complete(i);
3151	>	checkCompletedNormally(f, k - 1);
3152	>	int x = (int) CompletableFuture.anyOf(fs).join();
3153	>	assertTrue(i <= x && x <= k - 1);
3154		}
3155		}
3156		}
#	Line 3389 | Line 3159 | public class CompletableFutureTest exten
3159		* anyOf result completes exceptionally when any component does.
3160		*/
3161		public void testAnyOf_exceptional() throws Exception {
3162	<	for (int k = 0; k < 10; ++k) {
3162	>	for (int k = 0; k < 10; k++) {
3163	>	CompletableFuture[] fs = new CompletableFuture[k];
3164	>	CFException[] exs = new CFException[k];
3165	>	for (int i = 0; i < k; i++) {
3166	>	fs[i] = new CompletableFuture<>();
3167	>	exs[i] = new CFException();
3168	>	}
3169	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3170	>	checkIncomplete(f);
3171	>	for (int i = 0; i < k; i++) {
3172	>	fs[i].completeExceptionally(exs[i]);
3173	>	checkCompletedWithWrappedException(f, exs[0]);
3174	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3175	>	}
3176	>	}
3177	>	}
3178	>
3179	>	public void testAnyOf_exceptional_backwards() throws Exception {
3180	>	for (int k = 0; k < 10; k++) {
3181		CompletableFuture[] fs = new CompletableFuture[k];
3182	<	for (int i = 0; i < k; ++i)
3182	>	CFException[] exs = new CFException[k];
3183	>	for (int i = 0; i < k; i++) {
3184		fs[i] = new CompletableFuture<>();
3185	+	exs[i] = new CFException();
3186	+	}
3187		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3188		checkIncomplete(f);
3189	<	for (int i = 0; i < k; ++i) {
3190	<	fs[i].completeExceptionally(new CFException());
3191	<	checkCompletedWithWrappedCFException(f);
3189	>	for (int i = k - 1; i >= 0; i--) {
3190	>	fs[i].completeExceptionally(exs[i]);
3191	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3192		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3193		}
3194		}
#	Line 3410 | Line 3201 | public class CompletableFutureTest exten
3201		CompletableFuture<Integer> f = new CompletableFuture<>();
3202		CompletableFuture<Integer> g = new CompletableFuture<>();
3203		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3413	–	CompletableFuture<?> h;
3204		ThreadExecutor exec = new ThreadExecutor();
3205
3206		Runnable[] throwingActions = {
3207		() -> CompletableFuture.supplyAsync(null),
3208		() -> CompletableFuture.supplyAsync(null, exec),
3209	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3209	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3210
3211		() -> CompletableFuture.runAsync(null),
3212		() -> CompletableFuture.runAsync(null, exec),
#	Line 3489 | Line 3279 | public class CompletableFutureTest exten
3279
3280		() -> f.thenCompose(null),
3281		() -> f.thenComposeAsync(null),
3282	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3282	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3283		() -> f.thenComposeAsync(null, exec),
3284
3285		() -> f.exceptionally(null),
#	Line 3507 | Line 3297 | public class CompletableFutureTest exten
3297		() -> CompletableFuture.anyOf(null, f),
3298
3299		() -> f.obtrudeException(null),
3300	+
3301	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3302	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3303	+	() -> CompletableFuture.delayedExecutor(1L, null),
3304	+
3305	+	() -> f.orTimeout(1L, null),
3306	+	() -> f.completeOnTimeout(42, 1L, null),
3307	+
3308	+	() -> CompletableFuture.failedFuture(null),
3309	+	() -> CompletableFuture.failedStage(null),
3310		};
3311
3312		assertThrows(NullPointerException.class, throwingActions);
#	Line 3521 | Line 3321 | public class CompletableFutureTest exten
3321		assertSame(f, f.toCompletableFuture());
3322		}
3323
3324	+	// jdk9
3325	+
3326		/**
3327	<	* whenComplete action executes on normal completion, propagating
3526	<	* source result.
3327	>	* newIncompleteFuture returns an incomplete CompletableFuture
3328		*/
3329	<	public void testWhenComplete_normalCompletion1() {
3529	<	for (ExecutionMode m : ExecutionMode.values())
3530	<	for (boolean createIncomplete : new boolean[] { true, false })
3329	>	public void testNewIncompleteFuture() {
3330		for (Integer v1 : new Integer[] { 1, null })
3331		{
3332	<	final AtomicInteger a = new AtomicInteger(0);
3333	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3334	<	if (!createIncomplete) f.complete(v1);
3335	<	final CompletableFuture<Integer> g = m.whenComplete
3336	<	(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);
3332	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3333	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3334	>	checkIncomplete(f);
3335	>	checkIncomplete(g);
3336	>	f.complete(v1);
3337		checkCompletedNormally(f, v1);
3338	<	assertEquals(1, a.get());
3338	>	checkIncomplete(g);
3339	>	g.complete(v1);
3340	>	checkCompletedNormally(g, v1);
3341	>	assertSame(g.getClass(), CompletableFuture.class);
3342		}}
3343
3344		/**
3345	<	* whenComplete action executes on exceptional completion, propagating
3552	<	* source result.
3345	>	* completedStage returns a completed CompletionStage
3346		*/
3347	<	public void testWhenComplete_exceptionalCompletion() {
3348	<	for (ExecutionMode m : ExecutionMode.values())
3349	<	for (boolean createIncomplete : new boolean[] { true, false })
3347	>	public void testCompletedStage() {
3348	>	AtomicInteger x = new AtomicInteger(0);
3349	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3350	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3351	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3352	>	assertEquals(x.get(), 1);
3353	>	assertNull(r.get());
3354	>	}
3355	>
3356	>	/**
3357	>	* defaultExecutor by default returns the commonPool if
3358	>	* it supports more than one thread.
3359	>	*/
3360	>	public void testDefaultExecutor() {
3361	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3362	>	Executor e = f.defaultExecutor();
3363	>	Executor c = ForkJoinPool.commonPool();
3364	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3365	>	assertSame(e, c);
3366	>	else
3367	>	assertNotSame(e, c);
3368	>	}
3369	>
3370	>	/**
3371	>	* failedFuture returns a CompletableFuture completed
3372	>	* exceptionally with the given Exception
3373	>	*/
3374	>	public void testFailedFuture() {
3375	>	CFException ex = new CFException();
3376	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3377	>	checkCompletedExceptionally(f, ex);
3378	>	}
3379	>
3380	>	/**
3381	>	* failedFuture(null) throws NPE
3382	>	*/
3383	>	public void testFailedFuture_null() {
3384	>	try {
3385	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3386	>	shouldThrow();
3387	>	} catch (NullPointerException success) {}
3388	>	}
3389	>
3390	>	/**
3391	>	* copy returns a CompletableFuture that is completed normally,
3392	>	* with the same value, when source is.
3393	>	*/
3394	>	public void testCopy() {
3395	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3396	>	CompletableFuture<Integer> g = f.copy();
3397	>	checkIncomplete(f);
3398	>	checkIncomplete(g);
3399	>	f.complete(1);
3400	>	checkCompletedNormally(f, 1);
3401	>	checkCompletedNormally(g, 1);
3402	>	}
3403	>
3404	>	/**
3405	>	* copy returns a CompletableFuture that is completed exceptionally
3406	>	* when source is.
3407	>	*/
3408	>	public void testCopy2() {
3409	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3410	>	CompletableFuture<Integer> g = f.copy();
3411	>	checkIncomplete(f);
3412	>	checkIncomplete(g);
3413	>	CFException ex = new CFException();
3414	>	f.completeExceptionally(ex);
3415	>	checkCompletedExceptionally(f, ex);
3416	>	checkCompletedWithWrappedException(g, ex);
3417	>	}
3418	>
3419	>	/**
3420	>	* minimalCompletionStage returns a CompletableFuture that is
3421	>	* completed normally, with the same value, when source is.
3422	>	*/
3423	>	public void testMinimalCompletionStage() {
3424	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3425	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3426	>	AtomicInteger x = new AtomicInteger(0);
3427	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3428	>	checkIncomplete(f);
3429	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3430	>	f.complete(1);
3431	>	checkCompletedNormally(f, 1);
3432	>	assertEquals(x.get(), 1);
3433	>	assertNull(r.get());
3434	>	}
3435	>
3436	>	/**
3437	>	* minimalCompletionStage returns a CompletableFuture that is
3438	>	* completed exceptionally when source is.
3439	>	*/
3440	>	public void testMinimalCompletionStage2() {
3441	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3442	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3443	>	AtomicInteger x = new AtomicInteger(0);
3444	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3445	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3446	>	checkIncomplete(f);
3447	>	CFException ex = new CFException();
3448	>	f.completeExceptionally(ex);
3449	>	checkCompletedExceptionally(f, ex);
3450	>	assertEquals(x.get(), 0);
3451	>	assertEquals(r.get().getCause(), ex);
3452	>	}
3453	>
3454	>	/**
3455	>	* failedStage returns a CompletionStage completed
3456	>	* exceptionally with the given Exception
3457	>	*/
3458	>	public void testFailedStage() {
3459	>	CFException ex = new CFException();
3460	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3461	>	AtomicInteger x = new AtomicInteger(0);
3462	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3463	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3464	>	assertEquals(x.get(), 0);
3465	>	assertEquals(r.get(), ex);
3466	>	}
3467	>
3468	>	/**
3469	>	* completeAsync completes with value of given supplier
3470	>	*/
3471	>	public void testCompleteAsync() {
3472		for (Integer v1 : new Integer[] { 1, null })
3473		{
3474	<	final AtomicInteger a = new AtomicInteger(0);
3475	<	final CFException ex = new CFException();
3476	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3477	<	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());
3474	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3475	>	f.completeAsync(() -> v1);
3476	>	f.join();
3477	>	checkCompletedNormally(f, v1);
3478		}}
3479
3480		/**
3481	<	* whenComplete action executes on cancelled source, propagating
3578	<	* CancellationException.
3481	>	* completeAsync completes exceptionally if given supplier throws
3482		*/
3483	<	public void testWhenComplete_sourceCancelled() {
3484	<	for (ExecutionMode m : ExecutionMode.values())
3485	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3486	<	for (boolean createIncomplete : new boolean[] { true, false })
3487	<	{
3488	<	final AtomicInteger a = new AtomicInteger(0);
3489	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3490	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3491	<	final CompletableFuture<Integer> g = m.whenComplete
3492	<	(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));
3483	>	public void testCompleteAsync2() {
3484	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3485	>	CFException ex = new CFException();
3486	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3487	>	try {
3488	>	f.join();
3489	>	shouldThrow();
3490	>	} catch (CompletionException success) {}
3491	>	checkCompletedWithWrappedException(f, ex);
3492	>	}
3493
3494	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3495	<	checkCompletedWithWrappedCancellationException(g);
3496	<	checkCancelled(f);
3497	<	assertEquals(1, a.get());
3494	>	/**
3495	>	* completeAsync with given executor completes with value of given supplier
3496	>	*/
3497	>	public void testCompleteAsync3() {
3498	>	for (Integer v1 : new Integer[] { 1, null })
3499	>	{
3500	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3501	>	ThreadExecutor executor = new ThreadExecutor();
3502	>	f.completeAsync(() -> v1, executor);
3503	>	assertSame(v1, f.join());
3504	>	checkCompletedNormally(f, v1);
3505	>	assertEquals(1, executor.count.get());
3506		}}
3507
3508		/**
3509	<	* If a whenComplete action throws an exception when triggered by
3510	<	* a normal completion, it completes exceptionally
3509	>	* completeAsync with given executor completes exceptionally if
3510	>	* given supplier throws
3511		*/
3512	<	public void testWhenComplete_actionFailed() {
3513	<	for (boolean createIncomplete : new boolean[] { true, false })
3514	<	for (ExecutionMode m : ExecutionMode.values())
3515	<	for (Integer v1 : new Integer[] { 1, null }) {
3512	>	public void testCompleteAsync4() {
3513	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3514	>	CFException ex = new CFException();
3515	>	ThreadExecutor executor = new ThreadExecutor();
3516	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3517	>	try {
3518	>	f.join();
3519	>	shouldThrow();
3520	>	} catch (CompletionException success) {}
3521	>	checkCompletedWithWrappedException(f, ex);
3522	>	assertEquals(1, executor.count.get());
3523	>	}
3524
3525	<	final AtomicInteger a = new AtomicInteger(0);
3526	<	final CFException ex = new CFException();
3527	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3528	<	if (!createIncomplete) f.complete(v1);
3529	<	final CompletableFuture<Integer> g = m.whenComplete
3530	<	(f,
3531	<	(Integer x, Throwable t) -> {
3532	<	threadAssertSame(x, v1);
3533	<	threadAssertNull(t);
3534	<	a.getAndIncrement();
3535	<	throw ex;
3536	<	});
3537	<	if (createIncomplete) f.complete(v1);
3525	>	/**
3526	>	* orTimeout completes with TimeoutException if not complete
3527	>	*/
3528	>	public void testOrTimeout_timesOut() {
3529	>	long timeoutMillis = timeoutMillis();
3530	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3531	>	long startTime = System.nanoTime();
3532	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3533	>	checkCompletedWithTimeoutException(f);
3534	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3535	>	}
3536	>
3537	>	/**
3538	>	* orTimeout completes normally if completed before timeout
3539	>	*/
3540	>	public void testOrTimeout_completed() {
3541	>	for (Integer v1 : new Integer[] { 1, null })
3542	>	{
3543	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3544	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3545	>	long startTime = System.nanoTime();
3546	>	f.complete(v1);
3547	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3548	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3549	>	g.complete(v1);
3550		checkCompletedNormally(f, v1);
3551	<	checkCompletedWithWrappedCFException(g, ex);
3552	<	assertEquals(1, a.get());
3553	<	}
3551	>	checkCompletedNormally(g, v1);
3552	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3553	>	}}
3554	>
3555	>	/**
3556	>	* completeOnTimeout completes with given value if not complete
3557	>	*/
3558	>	public void testCompleteOnTimeout_timesOut() {
3559	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3560	>	() -> testCompleteOnTimeout_timesOut(null));
3561	>	}
3562	>
3563	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3564	>	long timeoutMillis = timeoutMillis();
3565	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3566	>	long startTime = System.nanoTime();
3567	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3568	>	assertSame(v, f.join());
3569	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3570	>	f.complete(99);         // should have no effect
3571	>	checkCompletedNormally(f, v);
3572		}
3573
3574		/**
3575	<	* 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.
3575	>	* completeOnTimeout has no effect if completed within timeout
3576		*/
3577	<	public void testWhenComplete_actionFailedSourceFailed() {
3578	<	for (boolean createIncomplete : new boolean[] { true, false })
3577	>	public void testCompleteOnTimeout_completed() {
3578	>	for (Integer v1 : new Integer[] { 1, null })
3579	>	{
3580	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3581	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3582	>	long startTime = System.nanoTime();
3583	>	f.complete(v1);
3584	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3585	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3586	>	g.complete(v1);
3587	>	checkCompletedNormally(f, v1);
3588	>	checkCompletedNormally(g, v1);
3589	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3590	>	}}
3591	>
3592	>	/**
3593	>	* delayedExecutor returns an executor that delays submission
3594	>	*/
3595	>	public void testDelayedExecutor() {
3596	>	testInParallel(() -> testDelayedExecutor(null, null),
3597	>	() -> testDelayedExecutor(null, 1),
3598	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3599	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3600	>	}
3601	>
3602	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3603	>	long timeoutMillis = timeoutMillis();
3604	>	// Use an "unreasonably long" long timeout to catch lingering threads
3605	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3606	>	final Executor delayer, longDelayer;
3607	>	if (executor == null) {
3608	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3609	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3610	>	} else {
3611	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3612	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3613	>	}
3614	>	long startTime = System.nanoTime();
3615	>	CompletableFuture<Integer> f =
3616	>	CompletableFuture.supplyAsync(() -> v, delayer);
3617	>	CompletableFuture<Integer> g =
3618	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3619	>
3620	>	assertNull(g.getNow(null));
3621	>
3622	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3623	>	long millisElapsed = millisElapsedSince(startTime);
3624	>	assertTrue(millisElapsed >= timeoutMillis);
3625	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3626	>
3627	>	checkCompletedNormally(f, v);
3628	>
3629	>	checkIncomplete(g);
3630	>	assertTrue(g.cancel(true));
3631	>	}
3632	>
3633	>	//--- tests of implementation details; not part of official tck ---
3634	>
3635	>	Object resultOf(CompletableFuture<?> f) {
3636	>	try {
3637	>	java.lang.reflect.Field resultField
3638	>	= CompletableFuture.class.getDeclaredField("result");
3639	>	resultField.setAccessible(true);
3640	>	return resultField.get(f);
3641	>	} catch (Throwable t) { throw new AssertionError(t); }
3642	>	}
3643	>
3644	>	public void testExceptionPropagationReusesResultObject() {
3645	>	if (!testImplementationDetails) return;
3646		for (ExecutionMode m : ExecutionMode.values())
3647	<	for (Integer v1 : new Integer[] { 1, null }) {
3647	>	{
3648	>	final CFException ex = new CFException();
3649	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3650	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3651
3652	<	final AtomicInteger a = new AtomicInteger(0);
3653	<	final CFException ex1 = new CFException();
3643	<	final CFException ex2 = new CFException();
3644	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3652	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3653	>	= new ArrayList<>();
3654
3655	<	if (!createIncomplete) f.completeExceptionally(ex1);
3656	<	final CompletableFuture<Integer> g = m.whenComplete
3657	<	(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);
3655	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3656	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3657	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3658
3659	<	checkCompletedWithWrappedCFException(f, ex1);
3660	<	checkCompletedWithWrappedCFException(g, ex1);
3661	<	assertEquals(1, a.get());
3659	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3660	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3661	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3662	>
3663	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3664	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3665	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3666	>
3667	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3668	>
3669	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3670	>
3671	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3672	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3673	>
3674	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3675	>	fun : funs) {
3676	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3677	>	f.completeExceptionally(ex);
3678	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3679	>	checkCompletedWithWrappedException(src, ex);
3680	>	CompletableFuture<?> dep = fun.apply(src);
3681	>	checkCompletedWithWrappedException(dep, ex);
3682	>	assertSame(resultOf(src), resultOf(dep));
3683		}
3684	<	}
3684	>
3685	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3686	>	fun : funs) {
3687	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3688	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3689	>	CompletableFuture<?> dep = fun.apply(src);
3690	>	f.completeExceptionally(ex);
3691	>	checkCompletedWithWrappedException(src, ex);
3692	>	checkCompletedWithWrappedException(dep, ex);
3693	>	assertSame(resultOf(src), resultOf(dep));
3694	>	}
3695	>
3696	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3697	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3698	>	fun : funs) {
3699	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3700	>	f.cancel(mayInterruptIfRunning);
3701	>	checkCancelled(f);
3702	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3703	>	checkCompletedWithWrappedCancellationException(src);
3704	>	CompletableFuture<?> dep = fun.apply(src);
3705	>	checkCompletedWithWrappedCancellationException(dep);
3706	>	assertSame(resultOf(src), resultOf(dep));
3707	>	}
3708	>
3709	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3710	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3711	>	fun : funs) {
3712	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3713	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3714	>	CompletableFuture<?> dep = fun.apply(src);
3715	>	f.cancel(mayInterruptIfRunning);
3716	>	checkCancelled(f);
3717	>	checkCompletedWithWrappedCancellationException(src);
3718	>	checkCompletedWithWrappedCancellationException(dep);
3719	>	assertSame(resultOf(src), resultOf(dep));
3720	>	}
3721	>	}}
3722	>
3723	>	/**
3724	>	* Minimal completion stages throw UOE for all non-CompletionStage methods
3725	>	*/
3726	>	public void testMinimalCompletionStage_minimality() {
3727	>	if (!testImplementationDetails) return;
3728	>	Function<Method, String> toSignature =
3729	>	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3730	>	Predicate<Method> isNotStatic =
3731	>	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3732	>	List<Method> minimalMethods =
3733	>	Stream.of(Object.class, CompletionStage.class)
3734	>	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3735	>	.filter(isNotStatic)
3736	>	.collect(Collectors.toList());
3737	>	// Methods from CompletableFuture permitted NOT to throw UOE
3738	>	String[] signatureWhitelist = {
3739	>	"newIncompleteFuture[]",
3740	>	"defaultExecutor[]",
3741	>	"minimalCompletionStage[]",
3742	>	"copy[]",
3743	>	};
3744	>	Set<String> permittedMethodSignatures =
3745	>	Stream.concat(minimalMethods.stream().map(toSignature),
3746	>	Stream.of(signatureWhitelist))
3747	>	.collect(Collectors.toSet());
3748	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3749	>	.filter(isNotStatic)
3750	>	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3751	>	.collect(Collectors.toList());
3752	>
3753	>	CompletionStage<Integer> minimalStage =
3754	>	new CompletableFuture<Integer>().minimalCompletionStage();
3755	>
3756	>	List<Method> bugs = new ArrayList<>();
3757	>	for (Method method : allMethods) {
3758	>	Class<?>[] parameterTypes = method.getParameterTypes();
3759	>	Object[] args = new Object[parameterTypes.length];
3760	>	// Manufacture boxed primitives for primitive params
3761	>	for (int i = 0; i < args.length; i++) {
3762	>	Class<?> type = parameterTypes[i];
3763	>	if (parameterTypes[i] == boolean.class)
3764	>	args[i] = false;
3765	>	else if (parameterTypes[i] == int.class)
3766	>	args[i] = 0;
3767	>	else if (parameterTypes[i] == long.class)
3768	>	args[i] = 0L;
3769	>	}
3770	>	try {
3771	>	method.invoke(minimalStage, args);
3772	>	bugs.add(method);
3773	>	}
3774	>	catch (java.lang.reflect.InvocationTargetException expected) {
3775	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3776	>	bugs.add(method);
3777	>	// expected.getCause().printStackTrace();
3778	>	}
3779	>	}
3780	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3781	>	}
3782	>	if (!bugs.isEmpty())
3783	>	throw new Error("Methods did not throw UOE: " + bugs.toString());
3784	>	}
3785	>
3786	>	static class Monad {
3787	>	static class ZeroException extends RuntimeException {
3788	>	public ZeroException() { super("monadic zero"); }
3789	>	}
3790	>	// "return", "unit"
3791	>	static <T> CompletableFuture<T> unit(T value) {
3792	>	return completedFuture(value);
3793	>	}
3794	>	// monadic zero ?
3795	>	static <T> CompletableFuture<T> zero() {
3796	>	return failedFuture(new ZeroException());
3797	>	}
3798	>	// >=>
3799	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
3800	>	(Function<T, CompletableFuture<U>> f,
3801	>	Function<U, CompletableFuture<V>> g) {
3802	>	return (x) -> f.apply(x).thenCompose(g);
3803	>	}
3804	>
3805	>	static void assertZero(CompletableFuture<?> f) {
3806	>	try {
3807	>	f.getNow(null);
3808	>	throw new AssertionFailedError("should throw");
3809	>	} catch (CompletionException success) {
3810	>	assertTrue(success.getCause() instanceof ZeroException);
3811	>	}
3812	>	}
3813	>
3814	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
3815	>	CompletableFuture<T> g) {
3816	>	T fval = null, gval = null;
3817	>	Throwable fex = null, gex = null;
3818	>
3819	>	try { fval = f.get(); }
3820	>	catch (ExecutionException ex) { fex = ex.getCause(); }
3821	>	catch (Throwable ex) { fex = ex; }
3822	>
3823	>	try { gval = g.get(); }
3824	>	catch (ExecutionException ex) { gex = ex.getCause(); }
3825	>	catch (Throwable ex) { gex = ex; }
3826	>
3827	>	if (fex != null || gex != null)
3828	>	assertSame(fex.getClass(), gex.getClass());
3829	>	else
3830	>	assertEquals(fval, gval);
3831	>	}
3832	>
3833	>	static class PlusFuture<T> extends CompletableFuture<T> {
3834	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3835	>	}
3836	>
3837	>	/** Implements "monadic plus". */
3838	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3839	>	CompletableFuture<? extends T> g) {
3840	>	PlusFuture<T> plus = new PlusFuture<T>();
3841	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3842	>	try {
3843	>	if (ex == null) {
3844	>	if (plus.complete(result))
3845	>	if (plus.firstFailure.get() != null)
3846	>	plus.firstFailure.set(null);
3847	>	}
3848	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
3849	>	if (plus.isDone())
3850	>	plus.firstFailure.set(null);
3851	>	}
3852	>	else {
3853	>	// first failure has precedence
3854	>	Throwable first = plus.firstFailure.getAndSet(null);
3855	>
3856	>	// may fail with "Self-suppression not permitted"
3857	>	try { first.addSuppressed(ex); }
3858	>	catch (Exception ignored) {}
3859	>
3860	>	plus.completeExceptionally(first);
3861	>	}
3862	>	} catch (Throwable unexpected) {
3863	>	plus.completeExceptionally(unexpected);
3864	>	}
3865	>	};
3866	>	f.whenComplete(action);
3867	>	g.whenComplete(action);
3868	>	return plus;
3869	>	}
3870	>	}
3871	>
3872	>	/**
3873	>	* CompletableFuture is an additive monad - sort of.
3874	>	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3875	>	*/
3876	>	public void testAdditiveMonad() throws Throwable {
3877	>	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3878	>	CompletableFuture<Long> zero = Monad.zero();
3879	>
3880	>	// Some mutually non-commutative functions
3881	>	Function<Long, CompletableFuture<Long>> triple
3882	>	= (x) -> Monad.unit(3 * x);
3883	>	Function<Long, CompletableFuture<Long>> inc
3884	>	= (x) -> Monad.unit(x + 1);
3885	>
3886	>	// unit is a right identity: m >>= unit === m
3887	>	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3888	>	inc.apply(5L));
3889	>	// unit is a left identity: (unit x) >>= f === f x
3890	>	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3891	>	inc.apply(5L));
3892	>
3893	>	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3894	>	Monad.assertFutureEquals(
3895	>	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3896	>	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3897	>
3898	>	// The case for CompletableFuture as an additive monad is weaker...
3899	>
3900	>	// zero is a monadic zero
3901	>	Monad.assertZero(zero);
3902	>
3903	>	// left zero: zero >>= f === zero
3904	>	Monad.assertZero(zero.thenCompose(inc));
3905	>	// right zero: f >>= (\x -> zero) === zero
3906	>	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3907	>
3908	>	// f plus zero === f
3909	>	Monad.assertFutureEquals(Monad.unit(5L),
3910	>	Monad.plus(Monad.unit(5L), zero));
3911	>	// zero plus f === f
3912	>	Monad.assertFutureEquals(Monad.unit(5L),
3913	>	Monad.plus(zero, Monad.unit(5L)));
3914	>	// zero plus zero === zero
3915	>	Monad.assertZero(Monad.plus(zero, zero));
3916	>	{
3917	>	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3918	>	Monad.unit(8L));
3919	>	// non-determinism
3920	>	assertTrue(f.get() == 5L || f.get() == 8L);
3921	>	}
3922	>
3923	>	CompletableFuture<Long> godot = new CompletableFuture<>();
3924	>	// f plus godot === f (doesn't wait for godot)
3925	>	Monad.assertFutureEquals(Monad.unit(5L),
3926	>	Monad.plus(Monad.unit(5L), godot));
3927	>	// godot plus f === f (doesn't wait for godot)
3928	>	Monad.assertFutureEquals(Monad.unit(5L),
3929	>	Monad.plus(godot, Monad.unit(5L)));
3930	>	}
3931	>
3932	>	/**
3933	>	* A single CompletableFuture with many dependents.
3934	>	* A demo of scalability - runtime is O(n).
3935	>	*/
3936	>	public void testManyDependents() throws Throwable {
3937	>	final int n = 1_000;
3938	>	final CompletableFuture<Void> head = new CompletableFuture<>();
3939	>	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
3940	>	final AtomicInteger count = new AtomicInteger(0);
3941	>	for (int i = 0; i < n; i++) {
3942	>	head.thenRun(() -> count.getAndIncrement());
3943	>	head.thenAccept((x) -> count.getAndIncrement());
3944	>	head.thenApply((x) -> count.getAndIncrement());
3945	>
3946	>	head.runAfterBoth(complete, () -> count.getAndIncrement());
3947	>	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
3948	>	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
3949	>	complete.runAfterBoth(head, () -> count.getAndIncrement());
3950	>	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
3951	>	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
3952	>
3953	>	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
3954	>	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3955	>	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3956	>	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
3957	>	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
3958	>	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
3959	>	}
3960	>	head.complete(null);
3961	>	assertEquals(5 * 3 * n, count.get());
3962	>	}
3963	>
3964	>	//     static <U> U join(CompletionStage<U> stage) {
3965	>	//         CompletableFuture<U> f = new CompletableFuture<>();
3966	>	//         stage.whenComplete((v, ex) -> {
3967	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3968	>	//         });
3969	>	//         return f.join();
3970	>	//     }
3971	>
3972	>	//     static <U> boolean isDone(CompletionStage<U> stage) {
3973	>	//         CompletableFuture<U> f = new CompletableFuture<>();
3974	>	//         stage.whenComplete((v, ex) -> {
3975	>	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3976	>	//         });
3977	>	//         return f.isDone();
3978	>	//     }
3979	>
3980	>	//     static <U> U join2(CompletionStage<U> stage) {
3981	>	//         return stage.toCompletableFuture().copy().join();
3982	>	//     }
3983	>
3984	>	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3985	>	//         return stage.toCompletableFuture().copy().isDone();
3986	>	//     }
3987
3988		}

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