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root/jsr166/jsr166/src/test/tck/CompletableFutureTest.java

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.52 by jsr166, Mon Jun 2 20:10:04 2014 UTC vs.
Revision 1.142 by dl, Fri Apr 1 23:18:00 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;
25	<	import static java.util.concurrent.TimeUnit.SECONDS;
26	<	import java.util.*;
27	<	import java.util.function.Supplier;
28	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
30	–	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 44 | 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 57 | 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));
62	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 75 | 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) {
95	<	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 {
98	<	f.get();
99	<	shouldThrow();
100	<	} catch (ExecutionException success) {
101	<	assertTrue(success.getCause() instanceof CFException);
102	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
103	<	assertTrue(f.isDone());
104	<	assertFalse(f.isCancelled());
105	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
106	<	}
110	>	checker.accept(cause);
111
112	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
109	<	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 155 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} catch (Throwable fail) { threadUnexpectedException(fail); }
158	–	assertTrue(f.isDone());
159	–	assertTrue(f.isCompletedExceptionally());
160	–	assertTrue(f.isCancelled());
161	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
162	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	try {
166	<	f.get(LONG_DELAY_MS, MILLISECONDS);
167	<	shouldThrow();
168	<	} catch (ExecutionException success) {
169	<	assertTrue(success.getCause() instanceof CancellationException);
170	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
171	<	try {
172	<	f.join();
173	<	shouldThrow();
174	<	} catch (CompletionException success) {
175	<	assertTrue(success.getCause() instanceof CancellationException);
176	<	}
177	<	try {
178	<	f.getNow(null);
179	<	shouldThrow();
180	<	} catch (CompletionException success) {
181	<	assertTrue(success.getCause() instanceof CancellationException);
182	<	}
183	<	try {
184	<	f.get();
185	<	shouldThrow();
186	<	} catch (ExecutionException success) {
187	<	assertTrue(success.getCause() instanceof CancellationException);
188	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
190	–	assertFalse(f.isCancelled());
198		assertTrue(f.isCompletedExceptionally());
199	+	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 206 | 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 218 | 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 228 | 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 240 | 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 261 | 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());
269	<	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);
279	<	}
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 304 | 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 320 | 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 334 | 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);
341	<	static final BiFunction<Integer, Integer, Integer> subtract =
342	<	(Integer x, Integer y) -> subtract(x, y);
343	<	static final class IncAction implements Consumer<Integer> {
344	<	int invocationCount = 0;
345	<	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 FailingRunnable 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 528 | Line 640 | public class CompletableFutureTest exten
640
641		ASYNC {
642		public void checkExecutionMode() {
643	<	assertSame(ForkJoinPool.commonPool(),
644	<	ForkJoinTask.getPool());
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) {
#	Line 596 | Line 718 | public class CompletableFutureTest exten
718
719		EXECUTOR {
720		public void checkExecutionMode() {
721	<	//TODO
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) {
#	Line 662 | Line 790 | public class CompletableFutureTest exten
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 711 | 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) -> {
717	–	// 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
728	–
858		/**
859		* exceptionally action completes with function value on source
860		* exception
#	Line 740 | 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 750 | 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 })
755	–	for (Integer v1 : new Integer[] { 1, null })
889		{
890		final AtomicInteger a = new AtomicInteger(0);
891		final CFException ex1 = new CFException();
#	Line 761 | 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	+	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	<	checkCompletedWithWrappedCFException(g, ex2);
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 782 | 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 813 | 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 822 | 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 841 | 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 855 | 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();
868	<	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		{
889	–	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	<	/**
920	<	* runAsync with executor completes after running Runnable
921	<	*/
922	<	public void testRunAsync2() {
923	<	Noop r = new Noop();
924	<	ThreadExecutor exec = new ThreadExecutor();
925	<	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());
927	–	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	<	FailingRunnable r = new FailingRunnable();
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);
959	<	checkCompletedNormally(f, one);
960	<	}
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
#	Line 976 | Line 1271 | public class CompletableFutureTest exten
1271		*/
1272		public void testThenRun_normalCompletion() {
1273		for (ExecutionMode m : ExecutionMode.values())
979	–	for (boolean createIncomplete : new boolean[] { true, false })
1274		for (Integer v1 : new Integer[] { 1, null })
1275		{
1276		final CompletableFuture<Integer> f = new CompletableFuture<>();
1277	<	final Noop r = new Noop();
1278	<	if (!createIncomplete) f.complete(v1);
985	<	final CompletableFuture<Void> g = m.thenRun(f, r);
986	<	if (createIncomplete) {
987	<	checkIncomplete(g);
988	<	f.complete(v1);
989	<	}
1277	>	final Noop[] rs = new Noop[6];
1278	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1279
1280	<	checkCompletedNormally(g, null);
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	<	assertEquals(1, r.invocationCount);
1298	>	for (Noop r : rs) r.assertInvoked();
1299		}}
1300
1301		/**
#	Line 999 | Line 1304 | public class CompletableFutureTest exten
1304		*/
1305		public void testThenRun_exceptionalCompletion() {
1306		for (ExecutionMode m : ExecutionMode.values())
1002	–	for (boolean createIncomplete : new boolean[] { true, false })
1307		{
1308		final CFException ex = new CFException();
1309		final CompletableFuture<Integer> f = new CompletableFuture<>();
1310	<	final Noop r = new Noop();
1311	<	if (!createIncomplete) f.completeExceptionally(ex);
1008	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1009	<	if (createIncomplete) {
1010	<	checkIncomplete(g);
1011	<	f.completeExceptionally(ex);
1012	<	}
1310	>	final Noop[] rs = new Noop[6];
1311	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1312
1313	<	checkCompletedWithWrappedCFException(g, ex);
1314	<	checkCompletedWithWrappedCFException(f, ex);
1315	<	assertEquals(0, r.invocationCount);
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		/**
#	Line 1021 | Line 1336 | public class CompletableFutureTest exten
1336		*/
1337		public void testThenRun_sourceCancelled() {
1338		for (ExecutionMode m : ExecutionMode.values())
1024	–	for (boolean createIncomplete : new boolean[] { true, false })
1339		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1340		{
1341		final CompletableFuture<Integer> f = new CompletableFuture<>();
1342	<	final Noop r = new Noop();
1343	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1030	<	final CompletableFuture<Void> g = f.thenRun(r);
1031	<	if (createIncomplete) {
1032	<	checkIncomplete(g);
1033	<	assertTrue(f.cancel(mayInterruptIfRunning));
1034	<	}
1342	>	final Noop[] rs = new Noop[6];
1343	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1344
1345	<	checkCompletedWithWrappedCancellationException(g);
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	<	assertEquals(0, r.invocationCount);
1363	>	for (Noop r : rs) r.assertNotInvoked();
1364		}}
1365
1366		/**
#	Line 1043 | Line 1368 | public class CompletableFutureTest exten
1368		*/
1369		public void testThenRun_actionFailed() {
1370		for (ExecutionMode m : ExecutionMode.values())
1046	–	for (boolean createIncomplete : new boolean[] { true, false })
1371		for (Integer v1 : new Integer[] { 1, null })
1372		{
1373		final CompletableFuture<Integer> f = new CompletableFuture<>();
1374	<	final FailingRunnable r = new FailingRunnable();
1375	<	if (!createIncomplete) f.complete(v1);
1052	<	final CompletableFuture<Void> g = f.thenRun(r);
1053	<	if (createIncomplete) {
1054	<	checkIncomplete(g);
1055	<	f.complete(v1);
1056	<	}
1374	>	final FailingRunnable[] rs = new FailingRunnable[6];
1375	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1376
1377	<	checkCompletedWithWrappedCFException(g);
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		}}
1393
#	Line 1064 | Line 1396 | public class CompletableFutureTest exten
1396		*/
1397		public void testThenApply_normalCompletion() {
1398		for (ExecutionMode m : ExecutionMode.values())
1067	–	for (boolean createIncomplete : new boolean[] { true, false })
1399		for (Integer v1 : new Integer[] { 1, null })
1400		{
1401		final CompletableFuture<Integer> f = new CompletableFuture<>();
1402	<	final IncFunction r = new IncFunction();
1403	<	if (!createIncomplete) f.complete(v1);
1073	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1074	<	if (createIncomplete) {
1075	<	checkIncomplete(g);
1076	<	f.complete(v1);
1077	<	}
1402	>	final IncFunction[] rs = new IncFunction[4];
1403	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1404
1405	<	checkCompletedNormally(g, inc(v1));
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	<	assertEquals(1, r.invocationCount);
1418	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1419		}}
1420
1421		/**
#	Line 1087 | Line 1424 | public class CompletableFutureTest exten
1424		*/
1425		public void testThenApply_exceptionalCompletion() {
1426		for (ExecutionMode m : ExecutionMode.values())
1090	–	for (boolean createIncomplete : new boolean[] { true, false })
1427		{
1428		final CFException ex = new CFException();
1429		final CompletableFuture<Integer> f = new CompletableFuture<>();
1430	<	final IncFunction r = new IncFunction();
1431	<	if (!createIncomplete) f.completeExceptionally(ex);
1096	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1097	<	if (createIncomplete) {
1098	<	checkIncomplete(g);
1099	<	f.completeExceptionally(ex);
1100	<	}
1430	>	final IncFunction[] rs = new IncFunction[4];
1431	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1432
1433	<	checkCompletedWithWrappedCFException(g, ex);
1434	<	checkCompletedWithWrappedCFException(f, ex);
1435	<	assertEquals(0, r.invocationCount);
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		/**
#	Line 1109 | Line 1449 | public class CompletableFutureTest exten
1449		*/
1450		public void testThenApply_sourceCancelled() {
1451		for (ExecutionMode m : ExecutionMode.values())
1112	–	for (boolean createIncomplete : new boolean[] { true, false })
1452		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1453		{
1454		final CompletableFuture<Integer> f = new CompletableFuture<>();
1455	<	final IncFunction r = new IncFunction();
1456	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1118	<	final CompletableFuture<Integer> g = f.thenApply(r);
1119	<	if (createIncomplete) {
1120	<	checkIncomplete(g);
1121	<	assertTrue(f.cancel(mayInterruptIfRunning));
1122	<	}
1455	>	final IncFunction[] rs = new IncFunction[4];
1456	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1457
1458	<	checkCompletedWithWrappedCancellationException(g);
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	>	checkCompletedWithWrappedCancellationException(h0);
1465	>	checkCompletedWithWrappedCancellationException(h1);
1466	>	checkCompletedWithWrappedCancellationException(h2);
1467	>	checkCompletedWithWrappedCancellationException(h3);
1468		checkCancelled(f);
1469	<	assertEquals(0, r.invocationCount);
1469	>	for (IncFunction r : rs) r.assertNotInvoked();
1470		}}
1471
1472		/**
#	Line 1131 | Line 1474 | public class CompletableFutureTest exten
1474		*/
1475		public void testThenApply_actionFailed() {
1476		for (ExecutionMode m : ExecutionMode.values())
1134	–	for (boolean createIncomplete : new boolean[] { true, false })
1477		for (Integer v1 : new Integer[] { 1, null })
1478		{
1479		final CompletableFuture<Integer> f = new CompletableFuture<>();
1480	<	final FailingFunction r = new FailingFunction();
1481	<	if (!createIncomplete) f.complete(v1);
1140	<	final CompletableFuture<Integer> g = f.thenApply(r);
1141	<	if (createIncomplete) {
1142	<	checkIncomplete(g);
1143	<	f.complete(v1);
1144	<	}
1480	>	final FailingFunction[] rs = new FailingFunction[4];
1481	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1482
1483	<	checkCompletedWithWrappedCFException(g);
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		}}
1495
#	Line 1152 | Line 1498 | public class CompletableFutureTest exten
1498		*/
1499		public void testThenAccept_normalCompletion() {
1500		for (ExecutionMode m : ExecutionMode.values())
1155	–	for (boolean createIncomplete : new boolean[] { true, false })
1501		for (Integer v1 : new Integer[] { 1, null })
1502		{
1503		final CompletableFuture<Integer> f = new CompletableFuture<>();
1504	<	final IncAction r = new IncAction();
1505	<	if (!createIncomplete) f.complete(v1);
1161	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1162	<	if (createIncomplete) {
1163	<	checkIncomplete(g);
1164	<	f.complete(v1);
1165	<	}
1504	>	final NoopConsumer[] rs = new NoopConsumer[4];
1505	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1506
1507	<	checkCompletedNormally(g, null);
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	<	assertEquals(1, r.invocationCount);
1170	<	assertEquals(inc(v1), r.value);
1520	>	for (NoopConsumer r : rs) r.assertValue(v1);
1521		}}
1522
1523		/**
#	Line 1176 | Line 1526 | public class CompletableFutureTest exten
1526		*/
1527		public void testThenAccept_exceptionalCompletion() {
1528		for (ExecutionMode m : ExecutionMode.values())
1179	–	for (boolean createIncomplete : new boolean[] { true, false })
1529		{
1530		final CFException ex = new CFException();
1531		final CompletableFuture<Integer> f = new CompletableFuture<>();
1532	<	final IncAction r = new IncAction();
1533	<	if (!createIncomplete) f.completeExceptionally(ex);
1185	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1186	<	if (createIncomplete) {
1187	<	checkIncomplete(g);
1188	<	f.completeExceptionally(ex);
1189	<	}
1532	>	final NoopConsumer[] rs = new NoopConsumer[4];
1533	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1534
1535	<	checkCompletedWithWrappedCFException(g, ex);
1536	<	checkCompletedWithWrappedCFException(f, ex);
1537	<	assertEquals(0, r.invocationCount);
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		/**
1550	<	* thenAccept result completes exceptionally if action does
1550	>	* thenAccept result completes exceptionally if source cancelled
1551		*/
1552	<	public void testThenAccept_actionFailed() {
1552	>	public void testThenAccept_sourceCancelled() {
1553		for (ExecutionMode m : ExecutionMode.values())
1554	<	for (boolean createIncomplete : new boolean[] { true, false })
1202	<	for (Integer v1 : new Integer[] { 1, null })
1554	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1555		{
1556		final CompletableFuture<Integer> f = new CompletableFuture<>();
1557	<	final FailingConsumer r = new FailingConsumer();
1558	<	if (!createIncomplete) f.complete(v1);
1207	<	final CompletableFuture<Void> g = f.thenAccept(r);
1208	<	if (createIncomplete) {
1209	<	checkIncomplete(g);
1210	<	f.complete(v1);
1211	<	}
1557	>	final NoopConsumer[] rs = new NoopConsumer[4];
1558	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1559
1560	<	checkCompletedWithWrappedCFException(g);
1561	<	checkCompletedNormally(f, v1);
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	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1564	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1565	>
1566	>	checkCompletedWithWrappedCancellationException(h0);
1567	>	checkCompletedWithWrappedCancellationException(h1);
1568	>	checkCompletedWithWrappedCancellationException(h2);
1569	>	checkCompletedWithWrappedCancellationException(h3);
1570	>	checkCancelled(f);
1571	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1572		}}
1573
1574		/**
1575	<	* thenAccept result completes exceptionally if source cancelled
1575	>	* thenAccept result completes exceptionally if action does
1576		*/
1577	<	public void testThenAccept_sourceCancelled() {
1577	>	public void testThenAccept_actionFailed() {
1578		for (ExecutionMode m : ExecutionMode.values())
1579	<	for (boolean createIncomplete : new boolean[] { true, false })
1223	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1579	>	for (Integer v1 : new Integer[] { 1, null })
1580		{
1581		final CompletableFuture<Integer> f = new CompletableFuture<>();
1582	<	final IncAction r = new IncAction();
1583	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1228	<	final CompletableFuture<Void> g = f.thenAccept(r);
1229	<	if (createIncomplete) {
1230	<	checkIncomplete(g);
1231	<	assertTrue(f.cancel(mayInterruptIfRunning));
1232	<	}
1582	>	final FailingConsumer[] rs = new FailingConsumer[4];
1583	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1584
1585	<	checkCompletedWithWrappedCancellationException(g);
1586	<	checkCancelled(f);
1587	<	assertEquals(0, r.invocationCount);
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		}}
1597
1598		/**
#	Line 1242 | Line 1601 | public class CompletableFutureTest exten
1601		*/
1602		public void testThenCombine_normalCompletion() {
1603		for (ExecutionMode m : ExecutionMode.values())
1245	–	for (boolean createIncomplete : new boolean[] { true, false })
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		{
1608		final CompletableFuture<Integer> f = new CompletableFuture<>();
1609		final CompletableFuture<Integer> g = new CompletableFuture<>();
1610	<	final SubtractFunction r = new SubtractFunction();
1610	>	final SubtractFunction[] rs = new SubtractFunction[6];
1611	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1612
1613	<	if (fFirst) f.complete(v1); else g.complete(v2);
1614	<	if (!createIncomplete)
1615	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1616	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1617	<	if (createIncomplete) {
1618	<	checkIncomplete(h);
1619	<	assertEquals(0, r.invocationCount);
1620	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1621	<	}
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
1264	–	checkCompletedNormally(h, subtract(v1, v2));
1639		checkCompletedNormally(f, v1);
1640		checkCompletedNormally(g, v2);
1267	–	assertEquals(1, r.invocationCount);
1641		}}
1642
1643		/**
1644		* thenCombine result completes exceptionally after exceptional
1645		* completion of either source
1646		*/
1647	<	public void testThenCombine_exceptionalCompletion() {
1647	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1648		for (ExecutionMode m : ExecutionMode.values())
1276	–	for (boolean createIncomplete : new boolean[] { true, false })
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<>();
1655		final CFException ex = new CFException();
1656	<	final SubtractFunction r = new SubtractFunction();
1657	<
1658	<	(fFirst ? f : g).complete(v1);
1659	<	if (!createIncomplete)
1660	<	(!fFirst ? f : g).completeExceptionally(ex);
1661	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1662	<	if (createIncomplete) {
1663	<	checkIncomplete(h);
1664	<	(!fFirst ? f : g).completeExceptionally(ex);
1665	<	}
1666	<
1667	<	checkCompletedWithWrappedCFException(h, ex);
1668	<	assertEquals(0, r.invocationCount);
1669	<	checkCompletedNormally(fFirst ? f : g, v1);
1670	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1671	<	}}
1672	<
1673	<	/**
1674	<	* thenCombine result completes exceptionally if action does
1675	<	*/
1676	<	public void testThenCombine_actionFailed() {
1677	<	for (ExecutionMode m : ExecutionMode.values())
1678	<	for (boolean fFirst : new boolean[] { true, false })
1679	<	for (Integer v1 : new Integer[] { 1, null })
1680	<	for (Integer v2 : new Integer[] { 2, null })
1681	<	{
1682	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1683	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1684	<	final FailingBiFunction r = new FailingBiFunction();
1312	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1313	<
1314	<	if (fFirst) {
1315	<	f.complete(v1);
1316	<	g.complete(v2);
1317	<	} else {
1318	<	g.complete(v2);
1319	<	f.complete(v1);
1320	<	}
1321	<
1322	<	checkCompletedWithWrappedCFException(h);
1323	<	checkCompletedNormally(f, v1);
1324	<	checkCompletedNormally(g, v2);
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		* thenCombine result completes exceptionally if either source cancelled
1689		*/
1690	<	public void testThenCombine_sourceCancelled() {
1690	>	public void testThenCombine_sourceCancelled() throws Throwable {
1691		for (ExecutionMode m : ExecutionMode.values())
1692		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1333	–	for (boolean createIncomplete : 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		{
1697		final CompletableFuture<Integer> f = new CompletableFuture<>();
1698		final CompletableFuture<Integer> g = new CompletableFuture<>();
1699	<	final SubtractFunction r = new SubtractFunction();
1700	<
1701	<	(fFirst ? f : g).complete(v1);
1702	<	if (!createIncomplete)
1703	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1704	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1705	<	if (createIncomplete) {
1706	<	checkIncomplete(h);
1707	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1708	<	}
1709	<
1710	<	checkCompletedWithWrappedCancellationException(h);
1711	<	checkCancelled(!fFirst ? f : g);
1712	<	assertEquals(0, r.invocationCount);
1713	<	checkCompletedNormally(fFirst ? f : g, v1);
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		/**
1731	<	* thenAcceptBoth result completes normally after normal
1358	<	* completion of sources
1731	>	* thenCombine result completes exceptionally if action does
1732		*/
1733	<	public void testThenAcceptBoth_normalCompletion1() {
1361	<	for (ExecutionMode m : ExecutionMode.values())
1362	<	for (Integer v1 : new Integer[] { 1, null })
1363	<	for (Integer v2 : new Integer[] { 2, null })
1364	<	{
1365	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1366	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1367	<	final SubtractAction r = new SubtractAction();
1368	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1369	<
1370	<	f.complete(v1);
1371	<	checkIncomplete(h);
1372	<	assertEquals(0, r.invocationCount);
1373	<	g.complete(v2);
1374	<
1375	<	checkCompletedNormally(h, null);
1376	<	assertEquals(subtract(v1, v2), r.value);
1377	<	checkCompletedNormally(f, v1);
1378	<	checkCompletedNormally(g, v2);
1379	<	}}
1380	<
1381	<	public void testThenAcceptBoth_normalCompletion2() {
1382	<	for (ExecutionMode m : ExecutionMode.values())
1383	<	for (Integer v1 : new Integer[] { 1, null })
1384	<	for (Integer v2 : new Integer[] { 2, null })
1385	<	{
1386	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1387	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1388	<	final SubtractAction r = new SubtractAction();
1389	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1390	<
1391	<	g.complete(v2);
1392	<	checkIncomplete(h);
1393	<	assertEquals(0, r.invocationCount);
1394	<	f.complete(v1);
1395	<
1396	<	checkCompletedNormally(h, null);
1397	<	assertEquals(subtract(v1, v2), r.value);
1398	<	checkCompletedNormally(f, v1);
1399	<	checkCompletedNormally(g, v2);
1400	<	}}
1401	<
1402	<	public void testThenAcceptBoth_normalCompletion3() {
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		{
1739		final CompletableFuture<Integer> f = new CompletableFuture<>();
1740		final CompletableFuture<Integer> g = new CompletableFuture<>();
1741	<	final SubtractAction r = new SubtractAction();
1742	<
1743	<	g.complete(v2);
1744	<	f.complete(v1);
1745	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1746	<
1747	<	checkCompletedNormally(h, null);
1748	<	assertEquals(subtract(v1, v2), r.value);
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		}}
1765
1766	<	public void testThenAcceptBoth_normalCompletion4() {
1766	>	/**
1767	>	* thenAcceptBoth result completes normally after normal
1768	>	* completion of sources
1769	>	*/
1770	>	public void testThenAcceptBoth_normalCompletion() {
1771		for (ExecutionMode m : ExecutionMode.values())
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	<	f.complete(v1);
1781	<	g.complete(v2);
1782	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1783	<
1784	<	checkCompletedNormally(h, null);
1785	<	assertEquals(subtract(v1, v2), r.value);
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		checkCompletedNormally(g, v2);
1805		}}
#	Line 1441 | Line 1808 | public class CompletableFutureTest exten
1808		* thenAcceptBoth result completes exceptionally after exceptional
1809		* completion of either source
1810		*/
1811	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1445	<	for (ExecutionMode m : ExecutionMode.values())
1446	<	for (Integer v1 : new Integer[] { 1, null })
1447	<	{
1448	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1449	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1450	<	final SubtractAction r = new SubtractAction();
1451	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1452	<	final CFException ex = new CFException();
1453	<
1454	<	f.completeExceptionally(ex);
1455	<	checkIncomplete(h);
1456	<	g.complete(v1);
1457	<
1458	<	checkCompletedWithWrappedCFException(h, ex);
1459	<	checkCompletedWithWrappedCFException(f, ex);
1460	<	assertEquals(0, r.invocationCount);
1461	<	checkCompletedNormally(g, v1);
1462	<	}}
1463	<
1464	<	public void testThenAcceptBoth_exceptionalCompletion2() {
1465	<	for (ExecutionMode m : ExecutionMode.values())
1466	<	for (Integer v1 : new Integer[] { 1, null })
1467	<	{
1468	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1469	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1470	<	final SubtractAction r = new SubtractAction();
1471	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1472	<	final CFException ex = new CFException();
1473	<
1474	<	g.completeExceptionally(ex);
1475	<	checkIncomplete(h);
1476	<	f.complete(v1);
1477	<
1478	<	checkCompletedWithWrappedCFException(h, ex);
1479	<	checkCompletedWithWrappedCFException(g, ex);
1480	<	assertEquals(0, r.invocationCount);
1481	<	checkCompletedNormally(f, v1);
1482	<	}}
1483	<
1484	<	public void testThenAcceptBoth_exceptionalCompletion3() {
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		{
1817		final CompletableFuture<Integer> f = new CompletableFuture<>();
1818		final CompletableFuture<Integer> g = new CompletableFuture<>();
1490	–	final SubtractAction r = new SubtractAction();
1819		final CFException ex = new CFException();
1820	<
1821	<	g.completeExceptionally(ex);
1822	<	f.complete(v1);
1823	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1824	<
1825	<	checkCompletedWithWrappedCFException(h, ex);
1826	<	checkCompletedWithWrappedCFException(g, ex);
1827	<	assertEquals(0, r.invocationCount);
1828	<	checkCompletedNormally(f, v1);
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 testThenAcceptBoth_exceptionalCompletion4() {
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		{
1861		final CompletableFuture<Integer> f = new CompletableFuture<>();
1862		final CompletableFuture<Integer> g = new CompletableFuture<>();
1863	<	final SubtractAction r = new SubtractAction();
1864	<	final CFException ex = new CFException();
1865	<
1866	<	f.completeExceptionally(ex);
1867	<	g.complete(v1);
1868	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1869	<
1870	<	checkCompletedWithWrappedCFException(h, ex);
1871	<	checkCompletedWithWrappedCFException(f, ex);
1872	<	assertEquals(0, r.invocationCount);
1873	<	checkCompletedNormally(g, v1);
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		/**
1895		* thenAcceptBoth result completes exceptionally if action does
1896		*/
1897	<	public void testThenAcceptBoth_actionFailed1() {
1526	<	for (ExecutionMode m : ExecutionMode.values())
1527	<	for (Integer v1 : new Integer[] { 1, null })
1528	<	for (Integer v2 : new Integer[] { 2, null })
1529	<	{
1530	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1531	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1532	<	final FailingBiConsumer r = new FailingBiConsumer();
1533	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1534	<
1535	<	f.complete(v1);
1536	<	checkIncomplete(h);
1537	<	g.complete(v2);
1538	<
1539	<	checkCompletedWithWrappedCFException(h);
1540	<	checkCompletedNormally(f, v1);
1541	<	checkCompletedNormally(g, v2);
1542	<	}}
1543	<
1544	<	public void testThenAcceptBoth_actionFailed2() {
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		{
1903		final CompletableFuture<Integer> f = new CompletableFuture<>();
1904		final CompletableFuture<Integer> g = new CompletableFuture<>();
1905	<	final FailingBiConsumer r = new FailingBiConsumer();
1906	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1907	<
1908	<	g.complete(v2);
1909	<	checkIncomplete(h);
1910	<	f.complete(v1);
1911	<
1912	<	checkCompletedWithWrappedCFException(h);
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		}}
1929
1930		/**
1564	–	* thenAcceptBoth result completes exceptionally if either source cancelled
1565	–	*/
1566	–	public void testThenAcceptBoth_sourceCancelled1() {
1567	–	for (ExecutionMode m : ExecutionMode.values())
1568	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1569	–	for (Integer v1 : new Integer[] { 1, null })
1570	–	{
1571	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1572	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1573	–	final SubtractAction r = new SubtractAction();
1574	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1575	–
1576	–	assertTrue(f.cancel(mayInterruptIfRunning));
1577	–	checkIncomplete(h);
1578	–	g.complete(v1);
1579	–
1580	–	checkCompletedWithWrappedCancellationException(h);
1581	–	checkCancelled(f);
1582	–	assertEquals(0, r.invocationCount);
1583	–	checkCompletedNormally(g, v1);
1584	–	}}
1585	–
1586	–	public void testThenAcceptBoth_sourceCancelled2() {
1587	–	for (ExecutionMode m : ExecutionMode.values())
1588	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1589	–	for (Integer v1 : new Integer[] { 1, null })
1590	–	{
1591	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1592	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1593	–	final SubtractAction r = new SubtractAction();
1594	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1595	–
1596	–	assertTrue(g.cancel(mayInterruptIfRunning));
1597	–	checkIncomplete(h);
1598	–	f.complete(v1);
1599	–
1600	–	checkCompletedWithWrappedCancellationException(h);
1601	–	checkCancelled(g);
1602	–	assertEquals(0, r.invocationCount);
1603	–	checkCompletedNormally(f, v1);
1604	–	}}
1605	–
1606	–	public void testThenAcceptBoth_sourceCancelled3() {
1607	–	for (ExecutionMode m : ExecutionMode.values())
1608	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1609	–	for (Integer v1 : new Integer[] { 1, null })
1610	–	{
1611	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1612	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1613	–	final SubtractAction r = new SubtractAction();
1614	–
1615	–	assertTrue(g.cancel(mayInterruptIfRunning));
1616	–	f.complete(v1);
1617	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1618	–
1619	–	checkCompletedWithWrappedCancellationException(h);
1620	–	checkCancelled(g);
1621	–	assertEquals(0, r.invocationCount);
1622	–	checkCompletedNormally(f, v1);
1623	–	}}
1624	–
1625	–	public void testThenAcceptBoth_sourceCancelled4() {
1626	–	for (ExecutionMode m : ExecutionMode.values())
1627	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1628	–	for (Integer v1 : new Integer[] { 1, null })
1629	–	{
1630	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1631	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1632	–	final SubtractAction r = new SubtractAction();
1633	–
1634	–	assertTrue(f.cancel(mayInterruptIfRunning));
1635	–	g.complete(v1);
1636	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1637	–
1638	–	checkCompletedWithWrappedCancellationException(h);
1639	–	checkCancelled(f);
1640	–	assertEquals(0, r.invocationCount);
1641	–	checkCompletedNormally(g, v1);
1642	–	}}
1643	–
1644	–	/**
1931		* runAfterBoth result completes normally after normal
1932		* completion of sources
1933		*/
1934	<	public void testRunAfterBoth_normalCompletion1() {
1649	<	for (ExecutionMode m : ExecutionMode.values())
1650	<	for (Integer v1 : new Integer[] { 1, null })
1651	<	for (Integer v2 : new Integer[] { 2, null })
1652	<	{
1653	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1654	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1655	<	final Noop r = new Noop();
1656	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1657	<
1658	<	f.complete(v1);
1659	<	checkIncomplete(h);
1660	<	assertEquals(0, r.invocationCount);
1661	<	g.complete(v2);
1662	<
1663	<	checkCompletedNormally(h, null);
1664	<	assertEquals(1, r.invocationCount);
1665	<	checkCompletedNormally(f, v1);
1666	<	checkCompletedNormally(g, v2);
1667	<	}}
1668	<
1669	<	public void testRunAfterBoth_normalCompletion2() {
1670	<	for (ExecutionMode m : ExecutionMode.values())
1671	<	for (Integer v1 : new Integer[] { 1, null })
1672	<	for (Integer v2 : new Integer[] { 2, null })
1673	<	{
1674	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1675	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1676	<	final Noop r = new Noop();
1677	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1678	<
1679	<	g.complete(v2);
1680	<	checkIncomplete(h);
1681	<	assertEquals(0, r.invocationCount);
1682	<	f.complete(v1);
1683	<
1684	<	checkCompletedNormally(h, null);
1685	<	assertEquals(1, r.invocationCount);
1686	<	checkCompletedNormally(f, v1);
1687	<	checkCompletedNormally(g, v2);
1688	<	}}
1689	<
1690	<	public void testRunAfterBoth_normalCompletion3() {
1691	<	for (ExecutionMode m : ExecutionMode.values())
1692	<	for (Integer v1 : new Integer[] { 1, null })
1693	<	for (Integer v2 : new Integer[] { 2, null })
1694	<	{
1695	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1696	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1697	<	final Noop r = new Noop();
1698	<
1699	<	g.complete(v2);
1700	<	f.complete(v1);
1701	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1702	<
1703	<	checkCompletedNormally(h, null);
1704	<	assertEquals(1, r.invocationCount);
1705	<	checkCompletedNormally(f, v1);
1706	<	checkCompletedNormally(g, v2);
1707	<	}}
1708	<
1709	<	public void testRunAfterBoth_normalCompletion4() {
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		{
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		}}
#	Line 1729 | Line 1972 | public class CompletableFutureTest exten
1972		* runAfterBoth result completes exceptionally after exceptional
1973		* completion of either source
1974		*/
1975	<	public void testRunAfterBoth_exceptionalCompletion1() {
1733	<	for (ExecutionMode m : ExecutionMode.values())
1734	<	for (Integer v1 : new Integer[] { 1, null })
1735	<	{
1736	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1737	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1738	<	final Noop r = new Noop();
1739	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1740	<	final CFException ex = new CFException();
1741	<
1742	<	f.completeExceptionally(ex);
1743	<	checkIncomplete(h);
1744	<	g.complete(v1);
1745	<
1746	<	checkCompletedWithWrappedCFException(h, ex);
1747	<	checkCompletedWithWrappedCFException(f, ex);
1748	<	assertEquals(0, r.invocationCount);
1749	<	checkCompletedNormally(g, v1);
1750	<	}}
1751	<
1752	<	public void testRunAfterBoth_exceptionalCompletion2() {
1753	<	for (ExecutionMode m : ExecutionMode.values())
1754	<	for (Integer v1 : new Integer[] { 1, null })
1755	<	{
1756	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1757	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1758	<	final Noop r = new Noop();
1759	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1760	<	final CFException ex = new CFException();
1761	<
1762	<	g.completeExceptionally(ex);
1763	<	checkIncomplete(h);
1764	<	f.complete(v1);
1765	<
1766	<	checkCompletedWithWrappedCFException(h, ex);
1767	<	checkCompletedWithWrappedCFException(g, ex);
1768	<	assertEquals(0, r.invocationCount);
1769	<	checkCompletedNormally(f, v1);
1770	<	}}
1771	<
1772	<	public void testRunAfterBoth_exceptionalCompletion3() {
1975	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1976		for (ExecutionMode m : ExecutionMode.values())
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<>();
1778	–	final Noop r = new Noop();
1983		final CFException ex = new CFException();
1984	<
1985	<	g.completeExceptionally(ex);
1986	<	f.complete(v1);
1987	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1988	<
1989	<	checkCompletedWithWrappedCFException(h, ex);
1990	<	checkCompletedWithWrappedCFException(g, ex);
1991	<	assertEquals(0, r.invocationCount);
1992	<	checkCompletedNormally(f, v1);
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	<	public void testRunAfterBoth_exceptionalCompletion4() {
2015	>	/**
2016	>	* runAfterBoth result completes exceptionally if either source cancelled
2017	>	*/
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		{
2025		final CompletableFuture<Integer> f = new CompletableFuture<>();
2026		final CompletableFuture<Integer> g = new CompletableFuture<>();
2027	<	final Noop r = new Noop();
2028	<	final CFException ex = new CFException();
2029	<
2030	<	f.completeExceptionally(ex);
2031	<	g.complete(v1);
2032	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2033	<
2034	<	checkCompletedWithWrappedCFException(h, ex);
2035	<	checkCompletedWithWrappedCFException(f, ex);
2036	<	assertEquals(0, r.invocationCount);
2037	<	checkCompletedNormally(g, v1);
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 action does
2060		*/
2061	<	public void testRunAfterBoth_actionFailed1() {
1814	<	for (ExecutionMode m : ExecutionMode.values())
1815	<	for (Integer v1 : new Integer[] { 1, null })
1816	<	for (Integer v2 : new Integer[] { 2, null })
1817	<	{
1818	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1819	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1820	<	final FailingRunnable r = new FailingRunnable();
1821	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1822	<
1823	<	f.complete(v1);
1824	<	checkIncomplete(h);
1825	<	g.complete(v2);
1826	<
1827	<	checkCompletedWithWrappedCFException(h);
1828	<	checkCompletedNormally(f, v1);
1829	<	checkCompletedNormally(g, v2);
1830	<	}}
1831	<
1832	<	public void testRunAfterBoth_actionFailed2() {
2061	>	public void testRunAfterBoth_actionFailed() {
2062		for (ExecutionMode m : ExecutionMode.values())
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 FailingRunnable r = new FailingRunnable();
2070	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2071	<
2072	<	g.complete(v2);
2073	<	checkIncomplete(h);
2074	<	f.complete(v1);
2075	<
2076	<	checkCompletedWithWrappedCFException(h);
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		checkCompletedNormally(g, v2);
2092		}}
2093
2094		/**
1852	–	* runAfterBoth result completes exceptionally if either source cancelled
1853	–	*/
1854	–	public void testRunAfterBoth_sourceCancelled1() {
1855	–	for (ExecutionMode m : ExecutionMode.values())
1856	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1857	–	for (Integer v1 : new Integer[] { 1, null })
1858	–	{
1859	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1860	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1861	–	final Noop r = new Noop();
1862	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1863	–
1864	–	assertTrue(f.cancel(mayInterruptIfRunning));
1865	–	checkIncomplete(h);
1866	–	g.complete(v1);
1867	–
1868	–	checkCompletedWithWrappedCancellationException(h);
1869	–	checkCancelled(f);
1870	–	assertEquals(0, r.invocationCount);
1871	–	checkCompletedNormally(g, v1);
1872	–	}}
1873	–
1874	–	public void testRunAfterBoth_sourceCancelled2() {
1875	–	for (ExecutionMode m : ExecutionMode.values())
1876	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1877	–	for (Integer v1 : new Integer[] { 1, null })
1878	–	{
1879	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1880	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1881	–	final Noop r = new Noop();
1882	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1883	–
1884	–	assertTrue(g.cancel(mayInterruptIfRunning));
1885	–	checkIncomplete(h);
1886	–	f.complete(v1);
1887	–
1888	–	checkCompletedWithWrappedCancellationException(h);
1889	–	checkCancelled(g);
1890	–	assertEquals(0, r.invocationCount);
1891	–	checkCompletedNormally(f, v1);
1892	–	}}
1893	–
1894	–	public void testRunAfterBoth_sourceCancelled3() {
1895	–	for (ExecutionMode m : ExecutionMode.values())
1896	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1897	–	for (Integer v1 : new Integer[] { 1, null })
1898	–	{
1899	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1900	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1901	–	final Noop r = new Noop();
1902	–
1903	–	assertTrue(g.cancel(mayInterruptIfRunning));
1904	–	f.complete(v1);
1905	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1906	–
1907	–	checkCompletedWithWrappedCancellationException(h);
1908	–	checkCancelled(g);
1909	–	assertEquals(0, r.invocationCount);
1910	–	checkCompletedNormally(f, v1);
1911	–	}}
1912	–
1913	–	public void testRunAfterBoth_sourceCancelled4() {
1914	–	for (ExecutionMode m : ExecutionMode.values())
1915	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1916	–	for (Integer v1 : new Integer[] { 1, null })
1917	–	{
1918	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1919	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1920	–	final Noop r = new Noop();
1921	–
1922	–	assertTrue(f.cancel(mayInterruptIfRunning));
1923	–	g.complete(v1);
1924	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1925	–
1926	–	checkCompletedWithWrappedCancellationException(h);
1927	–	checkCancelled(f);
1928	–	assertEquals(0, r.invocationCount);
1929	–	checkCompletedNormally(g, v1);
1930	–	}}
1931	–
1932	–	/**
2095		* applyToEither result completes normally after normal completion
2096		* of either source
2097		*/
2098	<	public void testApplyToEither_normalCompletion1() {
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		{
2103		final CompletableFuture<Integer> f = new CompletableFuture<>();
2104		final CompletableFuture<Integer> g = new CompletableFuture<>();
2105	<	final IncFunction r = new IncFunction();
2106	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2105	>	final IncFunction[] rs = new IncFunction[6];
2106	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2107
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(h, inc(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	<	checkCompletedNormally(f, v1);
2124	<	checkCompletedNormally(g, v2);
2125	<	checkCompletedNormally(h, inc(v1));
2126	<	}}
2127	<
2128	<	public void testApplyToEither_normalCompletion2() {
2129	<	for (ExecutionMode m : ExecutionMode.values())
2130	<	for (Integer v1 : new Integer[] { 1, null })
2131	<	for (Integer v2 : new Integer[] { 2, null })
1959	<	{
1960	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1961	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1962	<	final IncFunction r = new IncFunction();
1963	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1964	<
1965	<	g.complete(v2);
1966	<	checkCompletedNormally(h, inc(v2));
1967	<	f.complete(v1);
1968	<
1969	<	checkCompletedNormally(f, v1);
1970	<	checkCompletedNormally(g, v2);
1971	<	checkCompletedNormally(h, inc(v2));
1972	<	}}
1973	<
1974	<	public void testApplyToEither_normalCompletion3() {
1975	<	for (ExecutionMode m : ExecutionMode.values())
1976	<	for (Integer v1 : new Integer[] { 1, null })
1977	<	for (Integer v2 : new Integer[] { 2, null })
1978	<	{
1979	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1980	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1981	<	final IncFunction r = new IncFunction();
1982	<
1983	<	f.complete(v1);
1984	<	g.complete(v2);
1985	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
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);
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		{
2150		final CompletableFuture<Integer> f = new CompletableFuture<>();
2151		final CompletableFuture<Integer> g = new CompletableFuture<>();
2006	–	final IncFunction r = new IncFunction();
2007	–	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);
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	>	}
2181	>	try {
2182	>	assertEquals(inc(v1), h5.join());
2183	>	rs[5].assertValue(inc(v1));
2184	>	} catch (CompletionException ok) {
2185	>	checkCompletedWithWrappedException(h5, ex);
2186	>	rs[5].assertNotInvoked();
2187	>	}
2188	>
2189	>	checkCompletedExceptionally(f, ex);
2190		checkCompletedNormally(g, v1);
2191	<	checkCompletedWithWrappedCFException(f, ex);
2192	<	checkCompletedWithWrappedCFException(h, ex);
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_exceptionalCompletion2() {
2200		for (ExecutionMode m : ExecutionMode.values())
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<>();
2026	–	final IncFunction r = new IncFunction();
2027	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2028	–	final CFException ex = new CFException();
2029	–
2030	–	g.completeExceptionally(ex);
2031	–	checkCompletedWithWrappedCFException(h, ex);
2032	–	f.complete(v1);
2033	–
2034	–	assertEquals(0, r.invocationCount);
2035	–	checkCompletedNormally(f, v1);
2036	–	checkCompletedWithWrappedCFException(g, ex);
2037	–	checkCompletedWithWrappedCFException(h, ex);
2038	–	}}
2039	–
2040	–	public void testApplyToEither_exceptionalCompletion3() {
2041	–	for (ExecutionMode m : ExecutionMode.values())
2042	–	for (Integer v1 : new Integer[] { 1, null })
2043	–	{
2044	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2045	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2046	–	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	<	g.completeExceptionally(ex);
2211	<	f.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
2054	<	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		}
2062	–
2063	–	checkCompletedWithWrappedCFException(g, ex);
2064	–	checkCompletedNormally(f, v1);
2065	–	}}
2066	–
2067	–	public void testApplyToEither_exceptionalCompletion4() {
2068	–	for (ExecutionMode m : ExecutionMode.values())
2069	–	for (Integer v1 : new Integer[] { 1, null })
2070	–	{
2071	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2072	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2073	–	final IncFunction r = new IncFunction();
2074	–	final CFException ex = new CFException();
2075	–
2076	–	f.completeExceptionally(ex);
2077	–	g.complete(v1);
2078	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2079	–
2080	–	// unspecified behavior
2081	–	Integer v;
2225		try {
2226	<	assertEquals(inc(v1), h.join());
2227	<	assertEquals(1, r.invocationCount);
2226	>	assertEquals(inc(v1), h1.join());
2227	>	rs[1].assertValue(inc(v1));
2228		} catch (CompletionException ok) {
2229	<	checkCompletedWithWrappedCFException(h, ex);
2230	<	assertEquals(0, r.invocationCount);
2229	>	checkCompletedWithWrappedException(h1, ex);
2230	>	rs[1].assertNotInvoked();
2231	>	}
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		}
2246
2090	–	checkCompletedWithWrappedCFException(f, ex);
2091	–	checkCompletedNormally(g, v1);
2092	–	}}
2093	–
2094	–	/**
2095	–	* applyToEither result completes exceptionally if action does
2096	–	*/
2097	–	public void testApplyToEither_actionFailed1() {
2098	–	for (ExecutionMode m : ExecutionMode.values())
2099	–	for (Integer v1 : new Integer[] { 1, null })
2100	–	for (Integer v2 : new Integer[] { 2, null })
2101	–	{
2102	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2103	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2104	–	final FailingFunction r = new FailingFunction();
2105	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2106	–
2107	–	f.complete(v1);
2108	–	checkCompletedWithWrappedCFException(h);
2109	–	g.complete(v2);
2110	–	checkCompletedNormally(f, v1);
2111	–	checkCompletedNormally(g, v2);
2112	–	}}
2113	–
2114	–	public void testApplyToEither_actionFailed2() {
2115	–	for (ExecutionMode m : ExecutionMode.values())
2116	–	for (Integer v1 : new Integer[] { 1, null })
2117	–	for (Integer v2 : new Integer[] { 2, null })
2118	–	{
2119	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2120	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2121	–	final FailingFunction r = new FailingFunction();
2122	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2123	–
2124	–	g.complete(v2);
2125	–	checkCompletedWithWrappedCFException(h);
2126	–	f.complete(v1);
2247		checkCompletedNormally(f, v1);
2248	<	checkCompletedNormally(g, v2);
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		{
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);
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);
2149	–	assertEquals(0, r.invocationCount);
2298		checkCompletedNormally(g, v1);
2299	<	checkCompletedWithWrappedCancellationException(h);
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 (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);
2163	<
2164	<	assertTrue(g.cancel(mayInterruptIfRunning));
2165	<	checkCompletedWithWrappedCancellationException(h);
2166	<	f.complete(v1);
2167	<
2168	<	checkCancelled(g);
2169	<	assertEquals(0, r.invocationCount);
2170	<	checkCompletedNormally(f, v1);
2171	<	checkCompletedWithWrappedCancellationException(h);
2172	<	}}
2173	<
2174	<	public void testApplyToEither_sourceCancelled3() {
2175	<	for (ExecutionMode m : ExecutionMode.values())
2176	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2177	<	for (Integer v1 : new Integer[] { 1, null })
2178	<	{
2179	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2180	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2181	<	final IncFunction r = new IncFunction();
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	<	f.complete(v1);
2319	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
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	<	// unspecified behavior
2188	<	Integer v;
2324	>	// unspecified behavior - both source completions available
2325		try {
2326	<	assertEquals(inc(v1), h.join());
2327	<	assertEquals(1, r.invocationCount);
2326	>	assertEquals(inc(v1), h0.join());
2327	>	rs[0].assertValue(inc(v1));
2328		} catch (CompletionException ok) {
2329	<	checkCompletedWithWrappedCancellationException(h);
2330	<	assertEquals(0, r.invocationCount);
2329	>	checkCompletedWithWrappedCancellationException(h0);
2330	>	rs[0].assertNotInvoked();
2331		}
2196	–
2197	–	checkCancelled(g);
2198	–	checkCompletedNormally(f, v1);
2199	–	}}
2200	–
2201	–	public void testApplyToEither_sourceCancelled4() {
2202	–	for (ExecutionMode m : ExecutionMode.values())
2203	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2204	–	for (Integer v1 : new Integer[] { 1, null })
2205	–	{
2206	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2207	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2208	–	final IncFunction r = new IncFunction();
2209	–
2210	–	assertTrue(f.cancel(mayInterruptIfRunning));
2211	–	g.complete(v1);
2212	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2213	–
2214	–	// unspecified behavior
2215	–	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	>	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	>	}
2346	>	try {
2347	>	assertEquals(inc(v1), h3.join());
2348	>	rs[3].assertValue(inc(v1));
2349	>	} catch (CompletionException ok) {
2350	>	checkCompletedWithWrappedCancellationException(h3);
2351	>	rs[3].assertNotInvoked();
2352		}
2353
2354	<	checkCancelled(f);
2355	<	checkCompletedNormally(g, v1);
2354	>	checkCompletedNormally(f, v1);
2355	>	checkCancelled(g);
2356		}}
2357
2358		/**
2359	<	* acceptEither result completes normally after normal completion
2230	<	* 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		{
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);
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	<	checkCompletedNormally(f, v1);
2248	<	checkCompletedNormally(g, v2);
2249	<	checkCompletedNormally(h, null);
2250	<	}}
2382	>	g.complete(v2);
2383
2384	<	public void testAcceptEither_normalCompletion2() {
2385	<	for (ExecutionMode m : ExecutionMode.values())
2386	<	for (Integer v1 : new Integer[] { 1, null })
2255	<	for (Integer v2 : new Integer[] { 2, null })
2256	<	{
2257	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2258	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2259	<	final IncAction r = new IncAction();
2260	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
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	<	g.complete(v2);
2389	<	checkCompletedNormally(h, null);
2390	<	assertEquals(inc(v2), r.value);
2391	<	f.complete(v1);
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);
2269	–	checkCompletedNormally(h, null);
2397		}}
2398
2399	<	public void testAcceptEither_normalCompletion3() {
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		{
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	+	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);
2283	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2431
2432	<	checkCompletedNormally(h, null);
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	>
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)));
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		{
2459		final CompletableFuture<Integer> f = new CompletableFuture<>();
2460		final CompletableFuture<Integer> g = new CompletableFuture<>();
2304	–	final IncAction r = new IncAction();
2305	–	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);
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		g.complete(v1);
2480
2481	<	assertEquals(0, r.invocationCount);
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	>	}
2491	>	try {
2492	>	assertNull(h5.join());
2493	>	rs[5].assertValue(v1);
2494	>	} catch (CompletionException ok) {
2495	>	checkCompletedWithWrappedException(h5, ex);
2496	>	rs[5].assertNotInvoked();
2497	>	}
2498	>
2499	>	checkCompletedExceptionally(f, ex);
2500		checkCompletedNormally(g, v1);
2501	<	checkCompletedWithWrappedCFException(f, ex);
2502	<	checkCompletedWithWrappedCFException(h, ex);
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_exceptionalCompletion2() {
2510		for (ExecutionMode m : ExecutionMode.values())
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<>();
2324	–	final IncAction r = new IncAction();
2325	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2326	–	final CFException ex = new CFException();
2327	–
2328	–	g.completeExceptionally(ex);
2329	–	checkCompletedWithWrappedCFException(h, ex);
2330	–	f.complete(v1);
2331	–
2332	–	assertEquals(0, r.invocationCount);
2333	–	checkCompletedNormally(f, v1);
2334	–	checkCompletedWithWrappedCFException(g, ex);
2335	–	checkCompletedWithWrappedCFException(h, ex);
2336	–	}}
2337	–
2338	–	public void testAcceptEither_exceptionalCompletion3() {
2339	–	for (ExecutionMode m : ExecutionMode.values())
2340	–	for (Integer v1 : new Integer[] { 1, null })
2341	–	{
2342	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2343	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2344	–	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	<	g.completeExceptionally(ex);
2521	<	f.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
2352	<	Integer v;
2527	>	// unspecified behavior - both source completions available
2528		try {
2529	<	assertNull(h.join());
2530	<	assertEquals(1, r.invocationCount);
2356	<	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		}
2361	–
2362	–	checkCompletedWithWrappedCFException(g, ex);
2363	–	checkCompletedNormally(f, v1);
2364	–	}}
2365	–
2366	–	public void testAcceptEither_exceptionalCompletion4() {
2367	–	for (ExecutionMode m : ExecutionMode.values())
2368	–	for (Integer v1 : new Integer[] { 1, null })
2369	–	{
2370	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2371	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2372	–	final IncAction r = new IncAction();
2373	–	final CFException ex = new CFException();
2374	–
2375	–	f.completeExceptionally(ex);
2376	–	g.complete(v1);
2377	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2378	–
2379	–	// unspecified behavior
2380	–	Integer v;
2535		try {
2536	<	assertNull(h.join());
2537	<	assertEquals(1, r.invocationCount);
2384	<	assertEquals(inc(v1), r.value);
2536	>	assertEquals(null, h1.join());
2537	>	rs[1].assertValue(v1);
2538		} catch (CompletionException ok) {
2539	<	checkCompletedWithWrappedCFException(h, ex);
2540	<	assertEquals(0, r.invocationCount);
2539	>	checkCompletedWithWrappedException(h1, ex);
2540	>	rs[1].assertNotInvoked();
2541	>	}
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		}
2556
2390	–	checkCompletedWithWrappedCFException(f, ex);
2391	–	checkCompletedNormally(g, v1);
2392	–	}}
2393	–
2394	–	/**
2395	–	* acceptEither result completes exceptionally if action does
2396	–	*/
2397	–	public void testAcceptEither_actionFailed1() {
2398	–	for (ExecutionMode m : ExecutionMode.values())
2399	–	for (Integer v1 : new Integer[] { 1, null })
2400	–	for (Integer v2 : new Integer[] { 2, null })
2401	–	{
2402	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2403	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2404	–	final FailingConsumer r = new FailingConsumer();
2405	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2406	–
2407	–	f.complete(v1);
2408	–	checkCompletedWithWrappedCFException(h);
2409	–	g.complete(v2);
2410	–	checkCompletedNormally(f, v1);
2411	–	checkCompletedNormally(g, v2);
2412	–	}}
2413	–
2414	–	public void testAcceptEither_actionFailed2() {
2415	–	for (ExecutionMode m : ExecutionMode.values())
2416	–	for (Integer v1 : new Integer[] { 1, null })
2417	–	for (Integer v2 : new Integer[] { 2, null })
2418	–	{
2419	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2420	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2421	–	final FailingConsumer r = new FailingConsumer();
2422	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2423	–
2424	–	g.complete(v2);
2425	–	checkCompletedWithWrappedCFException(h);
2426	–	f.complete(v1);
2557		checkCompletedNormally(f, v1);
2558	<	checkCompletedNormally(g, v2);
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		{
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);
2443	<
2444	<	assertTrue(f.cancel(mayInterruptIfRunning));
2445	<	checkCompletedWithWrappedCancellationException(h);
2446	<	g.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(f);
2575	<	assertEquals(0, r.invocationCount);
2576	<	checkCompletedNormally(g, v1);
2577	<	checkCompletedWithWrappedCancellationException(h);
2578	<	}}
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_sourceCancelled2() {
2455	<	for (ExecutionMode m : ExecutionMode.values())
2456	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2457	<	for (Integer v1 : new Integer[] { 1, null })
2458	<	{
2459	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2460	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2461	<	final IncAction r = new IncAction();
2462	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2463	<
2464	<	assertTrue(g.cancel(mayInterruptIfRunning));
2465	<	checkCompletedWithWrappedCancellationException(h);
2466	<	f.complete(v1);
2467	<
2468	<	checkCancelled(g);
2469	<	assertEquals(0, r.invocationCount);
2470	<	checkCompletedNormally(f, v1);
2471	<	checkCompletedWithWrappedCancellationException(h);
2472	<	}}
2473	<
2474	<	public void testAcceptEither_sourceCancelled3() {
2475	<	for (ExecutionMode m : ExecutionMode.values())
2476	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2477	<	for (Integer v1 : new Integer[] { 1, null })
2478	<	{
2479	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2480	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2481	<	final IncAction r = new IncAction();
2482	<
2483	<	assertTrue(g.cancel(mayInterruptIfRunning));
2484	<	f.complete(v1);
2485	<	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);
2492	<	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		}
2497	–
2498	–	checkCancelled(g);
2499	–	checkCompletedNormally(f, v1);
2500	–	}}
2501	–
2502	–	public void testAcceptEither_sourceCancelled4() {
2503	–	for (ExecutionMode m : ExecutionMode.values())
2504	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2505	–	for (Integer v1 : new Integer[] { 1, null })
2506	–	{
2507	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2508	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2509	–	final IncAction r = new IncAction();
2510	–
2511	–	assertTrue(f.cancel(mayInterruptIfRunning));
2512	–	g.complete(v1);
2513	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2514	–
2515	–	// unspecified behavior
2516	–	Integer v;
2600		try {
2601	<	assertNull(h.join());
2602	<	assertEquals(1, r.invocationCount);
2520	<	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	+	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
2532	<	* 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		{
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	<	checkCompletedNormally(f, v1);
2644	<	checkCompletedNormally(g, v2);
2645	<	checkCompletedNormally(h, null);
2552	<	assertEquals(1, r.invocationCount);
2553	<	}}
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	<	public void testRunAfterEither_normalCompletion2() {
2648	<	for (ExecutionMode m : ExecutionMode.values())
2649	<	for (Integer v1 : new Integer[] { 1, null })
2650	<	for (Integer v2 : new Integer[] { 2, null })
2651	<	{
2652	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2561	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2562	<	final Noop r = new Noop();
2563	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2564	<
2565	<	g.complete(v2);
2566	<	checkCompletedNormally(h, null);
2567	<	assertEquals(1, r.invocationCount);
2568	<	f.complete(v1);
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);
2573	<	assertEquals(1, r.invocationCount);
2574	<	}}
2656	>	}}
2657
2658	<	public void testRunAfterEither_normalCompletion3() {
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		{
2667		final CompletableFuture<Integer> f = new CompletableFuture<>();
2668		final CompletableFuture<Integer> g = new CompletableFuture<>();
2669	<	final Noop r = new Noop();
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<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	+
2690		g.complete(v2);
2587	–	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);
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() {
2600	<	for (ExecutionMode m : ExecutionMode.values())
2601	<	for (Integer v1 : new Integer[] { 1, null })
2602	<	{
2603	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2604	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2605	<	final Noop r = new Noop();
2606	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2607	<	final CFException ex = new CFException();
2608	<
2609	<	f.completeExceptionally(ex);
2610	<	checkCompletedWithWrappedCFException(h, ex);
2611	<	g.complete(v1);
2612	<
2613	<	assertEquals(0, r.invocationCount);
2614	<	checkCompletedNormally(g, v1);
2615	<	checkCompletedWithWrappedCFException(f, ex);
2616	<	checkCompletedWithWrappedCFException(h, ex);
2617	<	}}
2618	<
2619	<	public void testRunAfterEither_exceptionalCompletion2() {
2710	>	public void testRunAfterEither_exceptionalCompletion() {
2711		for (ExecutionMode m : ExecutionMode.values())
2712		for (Integer v1 : new Integer[] { 1, null })
2713		{
2714		final CompletableFuture<Integer> f = new CompletableFuture<>();
2715		final CompletableFuture<Integer> g = new CompletableFuture<>();
2625	–	final Noop r = new Noop();
2626	–	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	<	g.completeExceptionally(ex);
2721	<	checkCompletedWithWrappedCFException(h, ex);
2722	<	f.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	<	assertEquals(0, r.invocationCount);
2634	<	checkCompletedNormally(f, v1);
2635	<	checkCompletedWithWrappedCFException(g, ex);
2636	<	checkCompletedWithWrappedCFException(h, ex);
2637	<	}}
2734	>	assertTrue(g.complete(v1));
2735
2736	<	public void testRunAfterEither_exceptionalCompletion3() {
2737	<	for (ExecutionMode m : ExecutionMode.values())
2738	<	for (Integer v1 : new Integer[] { 1, null })
2642	<	{
2643	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2644	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2645	<	final Noop r = new Noop();
2646	<	final CFException ex = new CFException();
2647	<
2648	<	g.completeExceptionally(ex);
2649	<	f.complete(v1);
2650	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2651	<
2652	<	// unspecified behavior
2653	<	Integer v;
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(h.join());
2741	<	assertEquals(1, r.invocationCount);
2740	>	assertNull(h4.join());
2741	>	rs[4].assertInvoked();
2742		} catch (CompletionException ok) {
2743	<	checkCompletedWithWrappedCFException(h, ex);
2744	<	assertEquals(0, r.invocationCount);
2743	>	checkCompletedWithWrappedException(h4, ex);
2744	>	rs[4].assertNotInvoked();
2745		}
2661	–
2662	–	checkCompletedWithWrappedCFException(g, ex);
2663	–	checkCompletedNormally(f, v1);
2664	–	}}
2665	–
2666	–	public void testRunAfterEither_exceptionalCompletion4() {
2667	–	for (ExecutionMode m : ExecutionMode.values())
2668	–	for (Integer v1 : new Integer[] { 1, null })
2669	–	{
2670	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2671	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2672	–	final Noop r = new Noop();
2673	–	final CFException ex = new CFException();
2674	–
2675	–	f.completeExceptionally(ex);
2676	–	g.complete(v1);
2677	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2678	–
2679	–	// unspecified behavior
2680	–	Integer v;
2746		try {
2747	<	assertNull(h.join());
2748	<	assertEquals(1, r.invocationCount);
2747	>	assertNull(h5.join());
2748	>	rs[5].assertInvoked();
2749		} catch (CompletionException ok) {
2750	<	checkCompletedWithWrappedCFException(h, ex);
2751	<	assertEquals(0, r.invocationCount);
2750	>	checkCompletedWithWrappedException(h5, ex);
2751	>	rs[5].assertNotInvoked();
2752		}
2753
2754	<	checkCompletedWithWrappedCFException(f, ex);
2754	>	checkCompletedExceptionally(f, ex);
2755		checkCompletedNormally(g, v1);
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	<	/**
2694	<	* runAfterEither result completes exceptionally if action does
2695	<	*/
2696	<	public void testRunAfterEither_actionFailed1() {
2764	>	public void testRunAfterEither_exceptionalCompletion2() {
2765		for (ExecutionMode m : ExecutionMode.values())
2766	+	for (boolean fFirst : new boolean[] { true, false })
2767		for (Integer v1 : new Integer[] { 1, null })
2699	–	for (Integer v2 : new Integer[] { 2, null })
2768		{
2769		final CompletableFuture<Integer> f = new CompletableFuture<>();
2770		final CompletableFuture<Integer> g = new CompletableFuture<>();
2771	<	final FailingRunnable r = new FailingRunnable();
2772	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2771	>	final CFException ex = new CFException();
2772	>	final Noop[] rs = new Noop[6];
2773	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2774
2775	<	f.complete(v1);
2776	<	checkCompletedWithWrappedCFException(h);
2777	<	g.complete(v2);
2778	<	checkCompletedNormally(f, v1);
2779	<	checkCompletedNormally(g, v2);
2780	<	}}
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	<	public void testRunAfterEither_actionFailed2() {
2783	<	for (ExecutionMode m : ExecutionMode.values())
2784	<	for (Integer v1 : new Integer[] { 1, null })
2785	<	for (Integer v2 : new Integer[] { 2, null })
2786	<	{
2787	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2788	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2789	<	final FailingRunnable r = new FailingRunnable();
2790	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2782	>	// unspecified behavior - both source completions available
2783	>	try {
2784	>	assertEquals(null, h0.join());
2785	>	rs[0].assertInvoked();
2786	>	} catch (CompletionException ok) {
2787	>	checkCompletedWithWrappedException(h0, ex);
2788	>	rs[0].assertNotInvoked();
2789	>	}
2790	>	try {
2791	>	assertEquals(null, h1.join());
2792	>	rs[1].assertInvoked();
2793	>	} catch (CompletionException ok) {
2794	>	checkCompletedWithWrappedException(h1, ex);
2795	>	rs[1].assertNotInvoked();
2796	>	}
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	>	try {
2805	>	assertEquals(null, h3.join());
2806	>	rs[3].assertInvoked();
2807	>	} catch (CompletionException ok) {
2808	>	checkCompletedWithWrappedException(h3, ex);
2809	>	rs[3].assertNotInvoked();
2810	>	}
2811
2723	–	g.complete(v2);
2724	–	checkCompletedWithWrappedCFException(h);
2725	–	f.complete(v1);
2812		checkCompletedNormally(f, v1);
2813	<	checkCompletedNormally(g, v2);
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		{
2824		final CompletableFuture<Integer> f = new CompletableFuture<>();
2825		final CompletableFuture<Integer> g = new CompletableFuture<>();
2826	<	final Noop r = new Noop();
2827	<	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	<	assertTrue(f.cancel(mayInterruptIfRunning));
2830	<	checkCompletedWithWrappedCancellationException(h);
2831	<	g.complete(v1);
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	<	checkCancelled(f);
2748	<	assertEquals(0, r.invocationCount);
2749	<	checkCompletedNormally(g, v1);
2750	<	checkCompletedWithWrappedCancellationException(h);
2751	<	}}
2752	<
2753	<	public void testRunAfterEither_sourceCancelled2() {
2754	<	for (ExecutionMode m : ExecutionMode.values())
2755	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2756	<	for (Integer v1 : new Integer[] { 1, null })
2757	<	{
2758	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2759	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2760	<	final Noop r = new Noop();
2761	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2762	<
2763	<	assertTrue(g.cancel(mayInterruptIfRunning));
2764	<	checkCompletedWithWrappedCancellationException(h);
2765	<	f.complete(v1);
2843	>	assertTrue(g.complete(v1));
2844
2845	<	checkCancelled(g);
2846	<	assertEquals(0, r.invocationCount);
2847	<	checkCompletedNormally(f, v1);
2848	<	checkCompletedWithWrappedCancellationException(h);
2849	<	}}
2850	<
2851	<	public void testRunAfterEither_sourceCancelled3() {
2852	<	for (ExecutionMode m : ExecutionMode.values())
2853	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2854	<	for (Integer v1 : new Integer[] { 1, null })
2777	<	{
2778	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2779	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2780	<	final Noop r = new Noop();
2781	<
2782	<	assertTrue(g.cancel(mayInterruptIfRunning));
2783	<	f.complete(v1);
2784	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2785	<
2786	<	// unspecified behavior
2787	<	Integer v;
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(h4.join());
2850	>	rs[4].assertInvoked();
2851	>	} catch (CompletionException ok) {
2852	>	checkCompletedWithWrappedCancellationException(h4);
2853	>	rs[4].assertNotInvoked();
2854	>	}
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(g);
2864	<	checkCompletedNormally(f, v1);
2863	>	checkCancelled(f);
2864	>	checkCompletedNormally(g, v1);
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	<	public void testRunAfterEither_sourceCancelled4() {
2872	>	/**
2873	>	* runAfterEither result completes exceptionally if action does
2874	>	*/
2875	>	public void testRunAfterEither_actionFailed() {
2876		for (ExecutionMode m : ExecutionMode.values())
2802	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
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 CompletableFuture<Integer> g = new CompletableFuture<>();
2882	<	final Noop r = new Noop();
2883	<
2809	<	assertTrue(f.cancel(mayInterruptIfRunning));
2810	<	g.complete(v1);
2811	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2882	>	final FailingRunnable[] rs = new FailingRunnable[6];
2883	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2884
2885	<	// unspecified behavior
2886	<	Integer v;
2887	<	try {
2888	<	assertNull(h.join());
2889	<	assertEquals(1, r.invocationCount);
2890	<	} catch (CompletionException ok) {
2891	<	checkCompletedWithWrappedCancellationException(h);
2892	<	assertEquals(0, r.invocationCount);
2893	<	}
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	<	checkCancelled(f);
2902	<	checkCompletedNormally(g, v1);
2901	>	checkCompletedNormally(f, v1);
2902	>	checkCompletedNormally(g, v2);
2903	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2904		}}
2905
2906		/**
#	Line 2833 | Line 2912 | public class CompletableFutureTest exten
2912		for (Integer v1 : new Integer[] { 1, null })
2913		{
2914		final CompletableFuture<Integer> f = new CompletableFuture<>();
2915	<	final CompletableFutureInc r = new CompletableFutureInc();
2916	<	if (!createIncomplete) f.complete(v1);
2917	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2918	<	if (createIncomplete) f.complete(v1);
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);
2922	>	r.assertValue(v1);
2923		}}
2924
2925		/**
#	Line 2852 | Line 2931 | public class CompletableFutureTest exten
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		if (!createIncomplete) f.completeExceptionally(ex);
2937	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2937	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2938		if (createIncomplete) f.completeExceptionally(ex);
2939
2940	<	checkCompletedWithWrappedCFException(g, ex);
2941	<	checkCompletedWithWrappedCFException(f, ex);
2942	<	assertEquals(0, r.invocationCount);
2940	>	checkCompletedWithWrappedException(g, ex);
2941	>	checkCompletedExceptionally(f, ex);
2942	>	r.assertNotInvoked();
2943		}}
2944
2945		/**
#	Line 2873 | Line 2952 | public class CompletableFutureTest exten
2952		{
2953		final CompletableFuture<Integer> f = new CompletableFuture<>();
2954		final FailingCompletableFutureFunction r
2955	<	= new FailingCompletableFutureFunction();
2956	<	if (!createIncomplete) f.complete(v1);
2957	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2958	<	if (createIncomplete) f.complete(v1);
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
2960		checkCompletedWithWrappedCFException(g);
2961		checkCompletedNormally(f, v1);
#	Line 2891 | Line 2970 | public class CompletableFutureTest exten
2970		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2971		{
2972		final CompletableFuture<Integer> f = new CompletableFuture<>();
2973	<	final CompletableFutureInc r = new CompletableFutureInc();
2973	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2974		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2975	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2975	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2976		if (createIncomplete) {
2977		checkIncomplete(g);
2978		assertTrue(f.cancel(mayInterruptIfRunning));
#	Line 2903 | Line 2982 | public class CompletableFutureTest exten
2982		checkCancelled(f);
2983		}}
2984
2985	+	/**
2986	+	* thenCompose result completes exceptionally if the result of the action does
2987	+	*/
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	+	checkCompletedExceptionally(g, ex);
3033	+	checkCompletedWithWrappedException(h, ex);
3034	+	checkCompletedNormally(f, v1);
3035	+	}}
3036	+
3037		// other static methods
3038
3039		/**
#	Line 2919 | 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++) {
3060	>	checkIncomplete(f);
3061	>	checkIncomplete(CompletableFuture.allOf(fs));
3062	>	fs[i].complete(one);
3063	>	}
3064	>	checkCompletedNormally(f, null);
3065	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
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 = 0; i < k; ++i) {
3076	>	for (int i = k - 1; i >= 0; i--) {
3077		checkIncomplete(f);
3078		checkIncomplete(CompletableFuture.allOf(fs));
3079		fs[i].complete(one);
#	Line 2934 | Line 3083 | public class CompletableFutureTest exten
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 2965 | 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	<	for (int i = 0; i < k; ++i)
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(new CFException());
3173	<	checkCompletedWithWrappedCFException(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	>	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 = 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 2986 | 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;
2989	–	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 3065 | 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 3083 | 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, new ThreadExecutor()),
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 3097 | 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
3102	<	* source result.
3327	>	* newIncompleteFuture returns an incomplete CompletableFuture
3328		*/
3329	<	public void testWhenComplete_normalCompletion1() {
3105	<	for (ExecutionMode m : ExecutionMode.values())
3106	<	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,
3114	<	(Integer x, Throwable t) -> {
3115	<	threadAssertSame(x, v1);
3116	<	threadAssertNull(t);
3117	<	a.getAndIncrement();
3118	<	});
3119	<	if (createIncomplete) f.complete(v1);
3120	<
3121	<	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
3128	<	* 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);
3139	<	final CompletableFuture<Integer> g = m.whenComplete
3140	<	(f,
3141	<	(Integer x, Throwable t) -> {
3142	<	threadAssertNull(x);
3143	<	threadAssertSame(t, ex);
3144	<	a.getAndIncrement();
3145	<	});
3146	<	if (createIncomplete) f.completeExceptionally(ex);
3147	<	checkCompletedWithWrappedCFException(f, ex);
3148	<	checkCompletedWithWrappedCFException(g, ex);
3149	<	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
3154	<	* 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 })
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	>	/**
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	<	final AtomicInteger a = new AtomicInteger(0);
3501	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3502	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3503	<	final CompletableFuture<Integer> g = m.whenComplete
3504	<	(f,
3505	<	(Integer x, Throwable t) -> {
3506	<	threadAssertNull(x);
3168	<	threadAssertTrue(t instanceof CancellationException);
3169	<	a.getAndIncrement();
3170	<	});
3171	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
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	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3509	<	checkCompletedWithWrappedCancellationException(g);
3510	<	checkCancelled(f);
3511	<	assertEquals(1, a.get());
3508	>	/**
3509	>	* completeAsync with given executor completes exceptionally if
3510	>	* given supplier throws
3511	>	*/
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	>	/**
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	>	checkCompletedNormally(g, v1);
3552	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3553		}}
3554
3555		/**
3556	<	* If a whenComplete action throws an exception when triggered by
3181	<	* a normal completion, it completes exceptionally
3556	>	* completeOnTimeout completes with given value if not complete
3557		*/
3558	<	public void testWhenComplete_actionFailed() {
3559	<	for (boolean createIncomplete : new boolean[] { true, false })
3560	<	for (ExecutionMode m : ExecutionMode.values())
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	>	* completeOnTimeout has no effect if completed within timeout
3576	>	*/
3577	>	public void testCompleteOnTimeout_completed() {
3578		for (Integer v1 : new Integer[] { 1, null })
3579		{
3580	<	final AtomicInteger a = new AtomicInteger(0);
3581	<	final CFException ex = new CFException();
3582	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3583	<	if (!createIncomplete) f.complete(v1);
3584	<	final CompletableFuture<Integer> g = m.whenComplete
3585	<	(f,
3586	<	(Integer x, Throwable t) -> {
3195	<	threadAssertSame(x, v1);
3196	<	threadAssertNull(t);
3197	<	a.getAndIncrement();
3198	<	throw ex;
3199	<	});
3200	<	if (createIncomplete) f.complete(v1);
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	<	checkCompletedWithWrappedCFException(g, ex);
3589	<	assertEquals(1, a.get());
3588	>	checkCompletedNormally(g, v1);
3589	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3590		}}
3591
3592		/**
3593	<	* If a whenComplete action throws an exception when triggered by
3208	<	* a source completion that also throws an exception, the source
3209	<	* exception takes precedence.
3593	>	* delayedExecutor returns an executor that delays submission
3594		*/
3595	<	public void testWhenComplete_actionFailedSourceFailed() {
3596	<	for (boolean createIncomplete : new boolean[] { true, false })
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())
3214	–	for (Integer v1 : new Integer[] { 1, null })
3647		{
3648	<	final AtomicInteger a = new AtomicInteger(0);
3649	<	final CFException ex1 = new CFException();
3650	<	final CFException ex2 = new CFException();
3219	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3648	>	final CFException ex = new CFException();
3649	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3650	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3651
3652	<	if (!createIncomplete) f.completeExceptionally(ex1);
3653	<	final CompletableFuture<Integer> g = m.whenComplete
3223	<	(f,
3224	<	(Integer x, Throwable t) -> {
3225	<	threadAssertSame(t, ex1);
3226	<	threadAssertNull(x);
3227	<	a.getAndIncrement();
3228	<	throw ex2;
3229	<	});
3230	<	if (createIncomplete) f.completeExceptionally(ex1);
3652	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3653	>	= new ArrayList<>();
3654
3655	<	checkCompletedWithWrappedCFException(f, ex1);
3656	<	checkCompletedWithWrappedCFException(g, ex1);
3657	<	assertEquals(1, a.get());
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	>	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	>
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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