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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.56 by jsr166, Mon Jun 2 22:20:32 2014 UTC vs.
Revision 1.179 by jsr166, Thu Sep 22 22:05:49 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.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
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(ExecutionMode.DEFAULT));
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(ExecutionMode.DEFAULT));
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 static 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 static 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	>	static 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	>	static 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	<	final ExecutionMode m;
415	<	int invocationCount = 0;
416	<	Integer value;
417	<	IncFunction(ExecutionMode m) { this.m = m; }
413	>
414	>	static class IncFunction extends CheckedIntegerAction
415	>	implements Function<Integer,Integer>
416	>	{
417	>	IncFunction(ExecutionMode m) { super(m); }
418		public Integer apply(Integer x) {
419	<	m.checkExecutionMode();
358	<	invocationCount++;
419	>	invoked();
420		return value = inc(x);
421		}
422		}
423	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
424	<	final ExecutionMode m;
425	<	int invocationCount = 0;
426	<	Integer value;
427	<	// Check this action was invoked exactly once when result is computed.
428	<	SubtractAction(ExecutionMode m) { this.m = m; }
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	>	static 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	<	m.checkExecutionMode();
370	<	invocationCount++;
437	>	invoked();
438		value = subtract(x, y);
439		}
440		}
441	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
442	<	final ExecutionMode m;
443	<	int invocationCount = 0;
444	<	Integer value;
445	<	// Check this action was invoked exactly once when result is computed.
379	<	SubtractFunction(ExecutionMode m) { this.m = m; }
441	>
442	>	static 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	<	m.checkExecutionMode();
382	<	invocationCount++;
447	>	invoked();
448		return value = subtract(x, y);
449		}
450		}
451	<	static final class Noop implements Runnable {
452	<	final ExecutionMode m;
453	<	int invocationCount = 0;
389	<	Noop(ExecutionMode m) { this.m = m; }
451	>
452	>	static class Noop extends CheckedAction implements Runnable {
453	>	Noop(ExecutionMode m) { super(m); }
454		public void run() {
455	<	m.checkExecutionMode();
392	<	invocationCount++;
455	>	invoked();
456		}
457		}
458
459	<	static final class FailingSupplier implements Supplier<Integer> {
460	<	final ExecutionMode m;
461	<	int invocationCount = 0;
462	<	FailingSupplier(ExecutionMode m) { this.m = m; }
459	>	static class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	final CFException ex;
463	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
464		public Integer get() {
465	<	m.checkExecutionMode();
466	<	invocationCount++;
403	<	throw new CFException();
465	>	invoked();
466	>	throw ex;
467		}
468		}
469	<	static final class FailingConsumer implements Consumer<Integer> {
470	<	final ExecutionMode m;
471	<	int invocationCount = 0;
472	<	FailingConsumer(ExecutionMode m) { this.m = m; }
469	>
470	>	static class FailingConsumer extends CheckedIntegerAction
471	>	implements Consumer<Integer>
472	>	{
473	>	final CFException ex;
474	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
475		public void accept(Integer x) {
476	<	m.checkExecutionMode();
477	<	invocationCount++;
478	<	throw new CFException();
476	>	invoked();
477	>	value = x;
478	>	throw ex;
479		}
480		}
481	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
482	<	final ExecutionMode m;
483	<	int invocationCount = 0;
484	<	FailingBiConsumer(ExecutionMode m) { this.m = m; }
481	>
482	>	static class FailingBiConsumer extends CheckedIntegerAction
483	>	implements BiConsumer<Integer, Integer>
484	>	{
485	>	final CFException ex;
486	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
487		public void accept(Integer x, Integer y) {
488	<	m.checkExecutionMode();
489	<	invocationCount++;
490	<	throw new CFException();
488	>	invoked();
489	>	value = subtract(x, y);
490	>	throw ex;
491		}
492		}
493	<	static final class FailingFunction implements Function<Integer, Integer> {
494	<	final ExecutionMode m;
495	<	int invocationCount = 0;
496	<	FailingFunction(ExecutionMode m) { this.m = m; }
493	>
494	>	static class FailingFunction extends CheckedIntegerAction
495	>	implements Function<Integer, Integer>
496	>	{
497	>	final CFException ex;
498	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
499		public Integer apply(Integer x) {
500	<	m.checkExecutionMode();
501	<	invocationCount++;
502	<	throw new CFException();
500	>	invoked();
501	>	value = x;
502	>	throw ex;
503		}
504		}
505	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
506	<	final ExecutionMode m;
507	<	int invocationCount = 0;
508	<	FailingBiFunction(ExecutionMode m) { this.m = m; }
505	>
506	>	static class FailingBiFunction extends CheckedIntegerAction
507	>	implements BiFunction<Integer, Integer, Integer>
508	>	{
509	>	final CFException ex;
510	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
511		public Integer apply(Integer x, Integer y) {
512	<	m.checkExecutionMode();
513	<	invocationCount++;
514	<	throw new CFException();
512	>	invoked();
513	>	value = subtract(x, y);
514	>	throw ex;
515		}
516		}
517	<	static final class FailingRunnable implements Runnable {
518	<	final ExecutionMode m;
519	<	int invocationCount = 0;
520	<	FailingRunnable(ExecutionMode m) { this.m = m; }
517	>
518	>	static class FailingRunnable extends CheckedAction implements Runnable {
519	>	final CFException ex;
520	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
521		public void run() {
522	<	m.checkExecutionMode();
523	<	invocationCount++;
453	<	throw new CFException();
522	>	invoked();
523	>	throw ex;
524		}
525		}
526
527	<	static final class CompletableFutureInc
528	<	implements Function<Integer, CompletableFuture<Integer>> {
529	<	final ExecutionMode m;
530	<	int invocationCount = 0;
461	<	CompletableFutureInc(ExecutionMode m) { this.m = m; }
527	>	static class CompletableFutureInc extends CheckedIntegerAction
528	>	implements Function<Integer, CompletableFuture<Integer>>
529	>	{
530	>	CompletableFutureInc(ExecutionMode m) { super(m); }
531		public CompletableFuture<Integer> apply(Integer x) {
532	<	m.checkExecutionMode();
533	<	invocationCount++;
532	>	invoked();
533	>	value = x;
534		CompletableFuture<Integer> f = new CompletableFuture<>();
535	<	f.complete(inc(x));
535	>	assertTrue(f.complete(inc(x)));
536		return f;
537		}
538		}
539
540	<	static final class FailingCompletableFutureFunction
541	<	implements Function<Integer, CompletableFuture<Integer>> {
542	<	final ExecutionMode m;
543	<	int invocationCount = 0;
544	<	FailingCompletableFutureFunction(ExecutionMode m) { this.m = m; }
540	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
541	>	implements Function<Integer, CompletableFuture<Integer>>
542	>	{
543	>	final CFException ex;
544	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
545		public CompletableFuture<Integer> apply(Integer x) {
546	<	m.checkExecutionMode();
547	<	invocationCount++;
548	<	throw new CFException();
546	>	invoked();
547	>	value = x;
548	>	throw ex;
549	>	}
550	>	}
551	>
552	>	static class CountingRejectingExecutor implements Executor {
553	>	final RejectedExecutionException ex = new RejectedExecutionException();
554	>	final AtomicInteger count = new AtomicInteger(0);
555	>	public void execute(Runnable r) {
556	>	count.getAndIncrement();
557	>	throw ex;
558		}
559		}
560
#	Line 494 | Line 572 | public class CompletableFutureTest exten
572		}
573		}
574
575	+	static final boolean defaultExecutorIsCommonPool
576	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
577	+
578		/**
579		* Permits the testing of parallel code for the 3 different
580	<	* execution modes without repeating all the testing code.
580	>	* execution modes without copy/pasting all the test methods.
581		*/
582		enum ExecutionMode {
583	<	DEFAULT {
583	>	SYNC {
584		public void checkExecutionMode() {
585	+	assertFalse(ThreadExecutor.startedCurrentThread());
586		assertNull(ForkJoinTask.getPool());
587		}
588	+	public CompletableFuture<Void> runAsync(Runnable a) {
589	+	throw new UnsupportedOperationException();
590	+	}
591	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
592	+	throw new UnsupportedOperationException();
593	+	}
594		public <T> CompletableFuture<Void> thenRun
595		(CompletableFuture<T> f, Runnable a) {
596		return f.thenRun(a);
#	Line 568 | Line 656 | public class CompletableFutureTest exten
656
657		ASYNC {
658		public void checkExecutionMode() {
659	<	assertSame(ForkJoinPool.commonPool(),
660	<	ForkJoinTask.getPool());
659	>	assertEquals(defaultExecutorIsCommonPool,
660	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
661	>	}
662	>	public CompletableFuture<Void> runAsync(Runnable a) {
663	>	return CompletableFuture.runAsync(a);
664	>	}
665	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
666	>	return CompletableFuture.supplyAsync(a);
667		}
668		public <T> CompletableFuture<Void> thenRun
669		(CompletableFuture<T> f, Runnable a) {
#	Line 638 | Line 732 | public class CompletableFutureTest exten
732		public void checkExecutionMode() {
733		assertTrue(ThreadExecutor.startedCurrentThread());
734		}
735	+	public CompletableFuture<Void> runAsync(Runnable a) {
736	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
737	+	}
738	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
739	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
740	+	}
741		public <T> CompletableFuture<Void> thenRun
742		(CompletableFuture<T> f, Runnable a) {
743		return f.thenRunAsync(a, new ThreadExecutor());
#	Line 702 | Line 802 | public class CompletableFutureTest exten
802		};
803
804		public abstract void checkExecutionMode();
805	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
806	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
807		public abstract <T> CompletableFuture<Void> thenRun
808		(CompletableFuture<T> f, Runnable a);
809		public abstract <T> CompletableFuture<Void> thenAccept
#	Line 751 | Line 853 | public class CompletableFutureTest exten
853		{
854		final AtomicInteger a = new AtomicInteger(0);
855		final CompletableFuture<Integer> f = new CompletableFuture<>();
856	<	if (!createIncomplete) f.complete(v1);
856	>	if (!createIncomplete) assertTrue(f.complete(v1));
857		final CompletableFuture<Integer> g = f.exceptionally
858		((Throwable t) -> {
757	–	// Should not be called
859		a.getAndIncrement();
860	<	throw new AssertionError();
860	>	threadFail("should not be called");
861	>	return null;            // unreached
862		});
863	<	if (createIncomplete) f.complete(v1);
863	>	if (createIncomplete) assertTrue(f.complete(v1));
864
865		checkCompletedNormally(g, v1);
866		checkCompletedNormally(f, v1);
867		assertEquals(0, a.get());
868		}}
869
768	–
870		/**
871		* exceptionally action completes with function value on source
872		* exception
#	Line 780 | Line 881 | public class CompletableFutureTest exten
881		if (!createIncomplete) f.completeExceptionally(ex);
882		final CompletableFuture<Integer> g = f.exceptionally
883		((Throwable t) -> {
884	+	ExecutionMode.SYNC.checkExecutionMode();
885		threadAssertSame(t, ex);
886		a.getAndIncrement();
887		return v1;
#	Line 790 | Line 892 | public class CompletableFutureTest exten
892		assertEquals(1, a.get());
893		}}
894
895	+	/**
896	+	* If an "exceptionally action" throws an exception, it completes
897	+	* exceptionally with that exception
898	+	*/
899		public void testExceptionally_exceptionalCompletionActionFailed() {
900		for (boolean createIncomplete : new boolean[] { true, false })
795	–	for (Integer v1 : new Integer[] { 1, null })
901		{
902		final AtomicInteger a = new AtomicInteger(0);
903		final CFException ex1 = new CFException();
#	Line 801 | Line 906 | public class CompletableFutureTest exten
906		if (!createIncomplete) f.completeExceptionally(ex1);
907		final CompletableFuture<Integer> g = f.exceptionally
908		((Throwable t) -> {
909	+	ExecutionMode.SYNC.checkExecutionMode();
910		threadAssertSame(t, ex1);
911		a.getAndIncrement();
912		throw ex2;
913		});
914		if (createIncomplete) f.completeExceptionally(ex1);
915
916	<	checkCompletedWithWrappedCFException(g, ex2);
916	>	checkCompletedWithWrappedException(g, ex2);
917	>	checkCompletedExceptionally(f, ex1);
918	>	assertEquals(1, a.get());
919	>	}}
920	>
921	>	/**
922	>	* whenComplete action executes on normal completion, propagating
923	>	* source result.
924	>	*/
925	>	public void testWhenComplete_normalCompletion() {
926	>	for (ExecutionMode m : ExecutionMode.values())
927	>	for (boolean createIncomplete : new boolean[] { true, false })
928	>	for (Integer v1 : new Integer[] { 1, null })
929	>	{
930	>	final AtomicInteger a = new AtomicInteger(0);
931	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
932	>	if (!createIncomplete) assertTrue(f.complete(v1));
933	>	final CompletableFuture<Integer> g = m.whenComplete
934	>	(f,
935	>	(Integer result, Throwable t) -> {
936	>	m.checkExecutionMode();
937	>	threadAssertSame(result, v1);
938	>	threadAssertNull(t);
939	>	a.getAndIncrement();
940	>	});
941	>	if (createIncomplete) assertTrue(f.complete(v1));
942	>
943	>	checkCompletedNormally(g, v1);
944	>	checkCompletedNormally(f, v1);
945	>	assertEquals(1, a.get());
946	>	}}
947	>
948	>	/**
949	>	* whenComplete action executes on exceptional completion, propagating
950	>	* source result.
951	>	*/
952	>	public void testWhenComplete_exceptionalCompletion() {
953	>	for (ExecutionMode m : ExecutionMode.values())
954	>	for (boolean createIncomplete : new boolean[] { true, false })
955	>	{
956	>	final AtomicInteger a = new AtomicInteger(0);
957	>	final CFException ex = new CFException();
958	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
959	>	if (!createIncomplete) f.completeExceptionally(ex);
960	>	final CompletableFuture<Integer> g = m.whenComplete
961	>	(f,
962	>	(Integer result, Throwable t) -> {
963	>	m.checkExecutionMode();
964	>	threadAssertNull(result);
965	>	threadAssertSame(t, ex);
966	>	a.getAndIncrement();
967	>	});
968	>	if (createIncomplete) f.completeExceptionally(ex);
969	>
970	>	checkCompletedWithWrappedException(g, ex);
971	>	checkCompletedExceptionally(f, ex);
972	>	assertEquals(1, a.get());
973	>	}}
974	>
975	>	/**
976	>	* whenComplete action executes on cancelled source, propagating
977	>	* CancellationException.
978	>	*/
979	>	public void testWhenComplete_sourceCancelled() {
980	>	for (ExecutionMode m : ExecutionMode.values())
981	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
982	>	for (boolean createIncomplete : new boolean[] { true, false })
983	>	{
984	>	final AtomicInteger a = new AtomicInteger(0);
985	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
986	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
987	>	final CompletableFuture<Integer> g = m.whenComplete
988	>	(f,
989	>	(Integer result, Throwable t) -> {
990	>	m.checkExecutionMode();
991	>	threadAssertNull(result);
992	>	threadAssertTrue(t instanceof CancellationException);
993	>	a.getAndIncrement();
994	>	});
995	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
996	>
997	>	checkCompletedWithWrappedCancellationException(g);
998	>	checkCancelled(f);
999	>	assertEquals(1, a.get());
1000	>	}}
1001	>
1002	>	/**
1003	>	* If a whenComplete action throws an exception when triggered by
1004	>	* a normal completion, it completes exceptionally
1005	>	*/
1006	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1007	>	for (boolean createIncomplete : new boolean[] { true, false })
1008	>	for (ExecutionMode m : ExecutionMode.values())
1009	>	for (Integer v1 : new Integer[] { 1, null })
1010	>	{
1011	>	final AtomicInteger a = new AtomicInteger(0);
1012	>	final CFException ex = new CFException();
1013	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1014	>	if (!createIncomplete) assertTrue(f.complete(v1));
1015	>	final CompletableFuture<Integer> g = m.whenComplete
1016	>	(f,
1017	>	(Integer result, Throwable t) -> {
1018	>	m.checkExecutionMode();
1019	>	threadAssertSame(result, v1);
1020	>	threadAssertNull(t);
1021	>	a.getAndIncrement();
1022	>	throw ex;
1023	>	});
1024	>	if (createIncomplete) assertTrue(f.complete(v1));
1025	>
1026	>	checkCompletedWithWrappedException(g, ex);
1027	>	checkCompletedNormally(f, v1);
1028	>	assertEquals(1, a.get());
1029	>	}}
1030	>
1031	>	/**
1032	>	* If a whenComplete action throws an exception when triggered by
1033	>	* a source completion that also throws an exception, the source
1034	>	* exception takes precedence (unlike handle)
1035	>	*/
1036	>	public void testWhenComplete_sourceFailedActionFailed() {
1037	>	for (boolean createIncomplete : new boolean[] { true, false })
1038	>	for (ExecutionMode m : ExecutionMode.values())
1039	>	{
1040	>	final AtomicInteger a = new AtomicInteger(0);
1041	>	final CFException ex1 = new CFException();
1042	>	final CFException ex2 = new CFException();
1043	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1044	>
1045	>	if (!createIncomplete) f.completeExceptionally(ex1);
1046	>	final CompletableFuture<Integer> g = m.whenComplete
1047	>	(f,
1048	>	(Integer result, Throwable t) -> {
1049	>	m.checkExecutionMode();
1050	>	threadAssertSame(t, ex1);
1051	>	threadAssertNull(result);
1052	>	a.getAndIncrement();
1053	>	throw ex2;
1054	>	});
1055	>	if (createIncomplete) f.completeExceptionally(ex1);
1056	>
1057	>	checkCompletedWithWrappedException(g, ex1);
1058	>	checkCompletedExceptionally(f, ex1);
1059	>	if (testImplementationDetails) {
1060	>	assertEquals(1, ex1.getSuppressed().length);
1061	>	assertSame(ex2, ex1.getSuppressed()[0]);
1062	>	}
1063		assertEquals(1, a.get());
1064		}}
1065
#	Line 822 | Line 1074 | public class CompletableFutureTest exten
1074		{
1075		final CompletableFuture<Integer> f = new CompletableFuture<>();
1076		final AtomicInteger a = new AtomicInteger(0);
1077	<	if (!createIncomplete) f.complete(v1);
1077	>	if (!createIncomplete) assertTrue(f.complete(v1));
1078		final CompletableFuture<Integer> g = m.handle
1079		(f,
1080	<	(Integer x, Throwable t) -> {
1081	<	threadAssertSame(x, v1);
1080	>	(Integer result, Throwable t) -> {
1081	>	m.checkExecutionMode();
1082	>	threadAssertSame(result, v1);
1083		threadAssertNull(t);
1084		a.getAndIncrement();
1085		return inc(v1);
1086		});
1087	<	if (createIncomplete) f.complete(v1);
1087	>	if (createIncomplete) assertTrue(f.complete(v1));
1088
1089		checkCompletedNormally(g, inc(v1));
1090		checkCompletedNormally(f, v1);
#	Line 853 | Line 1106 | public class CompletableFutureTest exten
1106		if (!createIncomplete) f.completeExceptionally(ex);
1107		final CompletableFuture<Integer> g = m.handle
1108		(f,
1109	<	(Integer x, Throwable t) -> {
1110	<	threadAssertNull(x);
1109	>	(Integer result, Throwable t) -> {
1110	>	m.checkExecutionMode();
1111	>	threadAssertNull(result);
1112		threadAssertSame(t, ex);
1113		a.getAndIncrement();
1114		return v1;
#	Line 862 | Line 1116 | public class CompletableFutureTest exten
1116		if (createIncomplete) f.completeExceptionally(ex);
1117
1118		checkCompletedNormally(g, v1);
1119	<	checkCompletedWithWrappedCFException(f, ex);
1119	>	checkCompletedExceptionally(f, ex);
1120		assertEquals(1, a.get());
1121		}}
1122
#	Line 881 | Line 1135 | public class CompletableFutureTest exten
1135		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1136		final CompletableFuture<Integer> g = m.handle
1137		(f,
1138	<	(Integer x, Throwable t) -> {
1139	<	threadAssertNull(x);
1138	>	(Integer result, Throwable t) -> {
1139	>	m.checkExecutionMode();
1140	>	threadAssertNull(result);
1141		threadAssertTrue(t instanceof CancellationException);
1142		a.getAndIncrement();
1143		return v1;
#	Line 895 | Line 1150 | public class CompletableFutureTest exten
1150		}}
1151
1152		/**
1153	<	* handle result completes exceptionally if action does
1153	>	* If a "handle action" throws an exception when triggered by
1154	>	* a normal completion, it completes exceptionally
1155		*/
1156	<	public void testHandle_sourceFailedActionFailed() {
1156	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1157		for (ExecutionMode m : ExecutionMode.values())
1158		for (boolean createIncomplete : new boolean[] { true, false })
1159	+	for (Integer v1 : new Integer[] { 1, null })
1160		{
1161		final CompletableFuture<Integer> f = new CompletableFuture<>();
1162		final AtomicInteger a = new AtomicInteger(0);
1163	<	final CFException ex1 = new CFException();
1164	<	final CFException ex2 = new CFException();
908	<	if (!createIncomplete) f.completeExceptionally(ex1);
1163	>	final CFException ex = new CFException();
1164	>	if (!createIncomplete) assertTrue(f.complete(v1));
1165		final CompletableFuture<Integer> g = m.handle
1166		(f,
1167	<	(Integer x, Throwable t) -> {
1168	<	threadAssertNull(x);
1169	<	threadAssertSame(ex1, t);
1167	>	(Integer result, Throwable t) -> {
1168	>	m.checkExecutionMode();
1169	>	threadAssertSame(result, v1);
1170	>	threadAssertNull(t);
1171		a.getAndIncrement();
1172	<	throw ex2;
1172	>	throw ex;
1173		});
1174	<	if (createIncomplete) f.completeExceptionally(ex1);
1174	>	if (createIncomplete) assertTrue(f.complete(v1));
1175
1176	<	checkCompletedWithWrappedCFException(g, ex2);
1177	<	checkCompletedWithWrappedCFException(f, ex1);
1176	>	checkCompletedWithWrappedException(g, ex);
1177	>	checkCompletedNormally(f, v1);
1178		assertEquals(1, a.get());
1179		}}
1180
1181	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1182	<	for (ExecutionMode m : ExecutionMode.values())
1181	>	/**
1182	>	* If a "handle action" throws an exception when triggered by
1183	>	* a source completion that also throws an exception, the action
1184	>	* exception takes precedence (unlike whenComplete)
1185	>	*/
1186	>	public void testHandle_sourceFailedActionFailed() {
1187		for (boolean createIncomplete : new boolean[] { true, false })
1188	<	for (Integer v1 : new Integer[] { 1, null })
1188	>	for (ExecutionMode m : ExecutionMode.values())
1189		{
929	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1190		final AtomicInteger a = new AtomicInteger(0);
1191	<	final CFException ex = new CFException();
1192	<	if (!createIncomplete) f.complete(v1);
1191	>	final CFException ex1 = new CFException();
1192	>	final CFException ex2 = new CFException();
1193	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1194	>
1195	>	if (!createIncomplete) f.completeExceptionally(ex1);
1196		final CompletableFuture<Integer> g = m.handle
1197		(f,
1198	<	(Integer x, Throwable t) -> {
1199	<	threadAssertSame(x, v1);
1200	<	threadAssertNull(t);
1198	>	(Integer result, Throwable t) -> {
1199	>	m.checkExecutionMode();
1200	>	threadAssertNull(result);
1201	>	threadAssertSame(ex1, t);
1202		a.getAndIncrement();
1203	<	throw ex;
1203	>	throw ex2;
1204		});
1205	<	if (createIncomplete) f.complete(v1);
1205	>	if (createIncomplete) f.completeExceptionally(ex1);
1206
1207	<	checkCompletedWithWrappedCFException(g, ex);
1208	<	checkCompletedNormally(f, v1);
1207	>	checkCompletedWithWrappedException(g, ex2);
1208	>	checkCompletedExceptionally(f, ex1);
1209		assertEquals(1, a.get());
1210		}}
1211
1212		/**
1213		* runAsync completes after running Runnable
1214		*/
1215	<	public void testRunAsync() {
1216	<	Noop r = new Noop(ExecutionMode.ASYNC);
1217	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1218	<	assertNull(f.join());
1219	<	assertEquals(1, r.invocationCount);
1220	<	checkCompletedNormally(f, null);
1221	<	}
1222	<
1223	<	/**
960	<	* runAsync with executor completes after running Runnable
961	<	*/
962	<	public void testRunAsync2() {
963	<	Noop r = new Noop(ExecutionMode.EXECUTOR);
964	<	ThreadExecutor exec = new ThreadExecutor();
965	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
1215	>	public void testRunAsync_normalCompletion() {
1216	>	ExecutionMode[] executionModes = {
1217	>	ExecutionMode.ASYNC,
1218	>	ExecutionMode.EXECUTOR,
1219	>	};
1220	>	for (ExecutionMode m : executionModes)
1221	>	{
1222	>	final Noop r = new Noop(m);
1223	>	final CompletableFuture<Void> f = m.runAsync(r);
1224		assertNull(f.join());
967	–	assertEquals(1, r.invocationCount);
1225		checkCompletedNormally(f, null);
1226	<	assertEquals(1, exec.count.get());
1227	<	}
1226	>	r.assertInvoked();
1227	>	}}
1228
1229		/**
1230		* failing runAsync completes exceptionally after running Runnable
1231		*/
1232	<	public void testRunAsync3() {
1233	<	FailingRunnable r = new FailingRunnable(ExecutionMode.ASYNC);
1234	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
1235	<	checkCompletedWithWrappedCFException(f);
1236	<	assertEquals(1, r.invocationCount);
1237	<	}
1232	>	public void testRunAsync_exceptionalCompletion() {
1233	>	ExecutionMode[] executionModes = {
1234	>	ExecutionMode.ASYNC,
1235	>	ExecutionMode.EXECUTOR,
1236	>	};
1237	>	for (ExecutionMode m : executionModes)
1238	>	{
1239	>	final FailingRunnable r = new FailingRunnable(m);
1240	>	final CompletableFuture<Void> f = m.runAsync(r);
1241	>	checkCompletedWithWrappedException(f, r.ex);
1242	>	r.assertInvoked();
1243	>	}}
1244
1245	<	/**
1246	<	* supplyAsync completes with result of supplier
1247	<	*/
1248	<	public void testSupplyAsync() {
1249	<	CompletableFuture<Integer> f;
1250	<	f = CompletableFuture.supplyAsync(supplyOne);
1251	<	assertEquals(f.join(), one);
1252	<	checkCompletedNormally(f, one);
1245	>	public void testRunAsync_rejectingExecutor() {
1246	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1247	>	try {
1248	>	CompletableFuture.runAsync(() -> {}, e);
1249	>	shouldThrow();
1250	>	} catch (Throwable t) {
1251	>	assertSame(e.ex, t);
1252	>	}
1253	>
1254	>	assertEquals(1, e.count.get());
1255		}
1256
1257		/**
1258	<	* supplyAsync with executor completes with result of supplier
1258	>	* supplyAsync completes with result of supplier
1259		*/
1260	<	public void testSupplyAsync2() {
1261	<	CompletableFuture<Integer> f;
1262	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
1263	<	assertEquals(f.join(), one);
1264	<	checkCompletedNormally(f, one);
1265	<	}
1260	>	public void testSupplyAsync_normalCompletion() {
1261	>	ExecutionMode[] executionModes = {
1262	>	ExecutionMode.ASYNC,
1263	>	ExecutionMode.EXECUTOR,
1264	>	};
1265	>	for (ExecutionMode m : executionModes)
1266	>	for (Integer v1 : new Integer[] { 1, null })
1267	>	{
1268	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1269	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1270	>	assertSame(v1, f.join());
1271	>	checkCompletedNormally(f, v1);
1272	>	r.assertInvoked();
1273	>	}}
1274
1275		/**
1276		* Failing supplyAsync completes exceptionally
1277		*/
1278	<	public void testSupplyAsync3() {
1279	<	FailingSupplier r = new FailingSupplier(ExecutionMode.ASYNC);
1280	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
1281	<	checkCompletedWithWrappedCFException(f);
1282	<	assertEquals(1, r.invocationCount);
1278	>	public void testSupplyAsync_exceptionalCompletion() {
1279	>	ExecutionMode[] executionModes = {
1280	>	ExecutionMode.ASYNC,
1281	>	ExecutionMode.EXECUTOR,
1282	>	};
1283	>	for (ExecutionMode m : executionModes)
1284	>	{
1285	>	FailingSupplier r = new FailingSupplier(m);
1286	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1287	>	checkCompletedWithWrappedException(f, r.ex);
1288	>	r.assertInvoked();
1289	>	}}
1290	>
1291	>	public void testSupplyAsync_rejectingExecutor() {
1292	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1293	>	try {
1294	>	CompletableFuture.supplyAsync(() -> null, e);
1295	>	shouldThrow();
1296	>	} catch (Throwable t) {
1297	>	assertSame(e.ex, t);
1298	>	}
1299	>
1300	>	assertEquals(1, e.count.get());
1301		}
1302
1303		// seq completion methods
#	Line 1016 | Line 1307 | public class CompletableFutureTest exten
1307		*/
1308		public void testThenRun_normalCompletion() {
1309		for (ExecutionMode m : ExecutionMode.values())
1019	–	for (boolean createIncomplete : new boolean[] { true, false })
1310		for (Integer v1 : new Integer[] { 1, null })
1311		{
1312		final CompletableFuture<Integer> f = new CompletableFuture<>();
1313	<	final Noop r = new Noop(m);
1314	<	if (!createIncomplete) f.complete(v1);
1025	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1026	<	if (createIncomplete) {
1027	<	checkIncomplete(g);
1028	<	f.complete(v1);
1029	<	}
1313	>	final Noop[] rs = new Noop[6];
1314	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1315
1316	<	checkCompletedNormally(g, null);
1316	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1317	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1318	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1319	>	checkIncomplete(h0);
1320	>	checkIncomplete(h1);
1321	>	checkIncomplete(h2);
1322	>	assertTrue(f.complete(v1));
1323	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1324	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1325	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1326	>
1327	>	checkCompletedNormally(h0, null);
1328	>	checkCompletedNormally(h1, null);
1329	>	checkCompletedNormally(h2, null);
1330	>	checkCompletedNormally(h3, null);
1331	>	checkCompletedNormally(h4, null);
1332	>	checkCompletedNormally(h5, null);
1333		checkCompletedNormally(f, v1);
1334	<	assertEquals(1, r.invocationCount);
1334	>	for (Noop r : rs) r.assertInvoked();
1335		}}
1336
1337		/**
#	Line 1039 | Line 1340 | public class CompletableFutureTest exten
1340		*/
1341		public void testThenRun_exceptionalCompletion() {
1342		for (ExecutionMode m : ExecutionMode.values())
1042	–	for (boolean createIncomplete : new boolean[] { true, false })
1343		{
1344		final CFException ex = new CFException();
1345		final CompletableFuture<Integer> f = new CompletableFuture<>();
1346	<	final Noop r = new Noop(m);
1347	<	if (!createIncomplete) f.completeExceptionally(ex);
1048	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1049	<	if (createIncomplete) {
1050	<	checkIncomplete(g);
1051	<	f.completeExceptionally(ex);
1052	<	}
1346	>	final Noop[] rs = new Noop[6];
1347	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1348
1349	<	checkCompletedWithWrappedCFException(g, ex);
1350	<	checkCompletedWithWrappedCFException(f, ex);
1351	<	assertEquals(0, r.invocationCount);
1349	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1350	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1351	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1352	>	checkIncomplete(h0);
1353	>	checkIncomplete(h1);
1354	>	checkIncomplete(h2);
1355	>	assertTrue(f.completeExceptionally(ex));
1356	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1357	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1358	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1359	>
1360	>	checkCompletedWithWrappedException(h0, ex);
1361	>	checkCompletedWithWrappedException(h1, ex);
1362	>	checkCompletedWithWrappedException(h2, ex);
1363	>	checkCompletedWithWrappedException(h3, ex);
1364	>	checkCompletedWithWrappedException(h4, ex);
1365	>	checkCompletedWithWrappedException(h5, ex);
1366	>	checkCompletedExceptionally(f, ex);
1367	>	for (Noop r : rs) r.assertNotInvoked();
1368		}}
1369
1370		/**
#	Line 1061 | Line 1372 | public class CompletableFutureTest exten
1372		*/
1373		public void testThenRun_sourceCancelled() {
1374		for (ExecutionMode m : ExecutionMode.values())
1064	–	for (boolean createIncomplete : new boolean[] { true, false })
1375		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1376		{
1377		final CompletableFuture<Integer> f = new CompletableFuture<>();
1378	<	final Noop r = new Noop(m);
1379	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1070	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1071	<	if (createIncomplete) {
1072	<	checkIncomplete(g);
1073	<	assertTrue(f.cancel(mayInterruptIfRunning));
1074	<	}
1378	>	final Noop[] rs = new Noop[6];
1379	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1380
1381	<	checkCompletedWithWrappedCancellationException(g);
1381	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1382	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1383	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1384	>	checkIncomplete(h0);
1385	>	checkIncomplete(h1);
1386	>	checkIncomplete(h2);
1387	>	assertTrue(f.cancel(mayInterruptIfRunning));
1388	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1389	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1390	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1391	>
1392	>	checkCompletedWithWrappedCancellationException(h0);
1393	>	checkCompletedWithWrappedCancellationException(h1);
1394	>	checkCompletedWithWrappedCancellationException(h2);
1395	>	checkCompletedWithWrappedCancellationException(h3);
1396	>	checkCompletedWithWrappedCancellationException(h4);
1397	>	checkCompletedWithWrappedCancellationException(h5);
1398		checkCancelled(f);
1399	<	assertEquals(0, r.invocationCount);
1399	>	for (Noop r : rs) r.assertNotInvoked();
1400		}}
1401
1402		/**
#	Line 1083 | Line 1404 | public class CompletableFutureTest exten
1404		*/
1405		public void testThenRun_actionFailed() {
1406		for (ExecutionMode m : ExecutionMode.values())
1086	–	for (boolean createIncomplete : new boolean[] { true, false })
1407		for (Integer v1 : new Integer[] { 1, null })
1408		{
1409		final CompletableFuture<Integer> f = new CompletableFuture<>();
1410	<	final FailingRunnable r = new FailingRunnable(m);
1411	<	if (!createIncomplete) f.complete(v1);
1092	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1093	<	if (createIncomplete) {
1094	<	checkIncomplete(g);
1095	<	f.complete(v1);
1096	<	}
1410	>	final FailingRunnable[] rs = new FailingRunnable[6];
1411	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1412
1413	<	checkCompletedWithWrappedCFException(g);
1413	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1414	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1415	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1416	>	assertTrue(f.complete(v1));
1417	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1418	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1419	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1420	>
1421	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1422	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1423	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1424	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1425	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1426	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1427		checkCompletedNormally(f, v1);
1428		}}
1429
#	Line 1104 | Line 1432 | public class CompletableFutureTest exten
1432		*/
1433		public void testThenApply_normalCompletion() {
1434		for (ExecutionMode m : ExecutionMode.values())
1107	–	for (boolean createIncomplete : new boolean[] { true, false })
1435		for (Integer v1 : new Integer[] { 1, null })
1436		{
1437		final CompletableFuture<Integer> f = new CompletableFuture<>();
1438	<	final IncFunction r = new IncFunction(m);
1439	<	if (!createIncomplete) f.complete(v1);
1113	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1114	<	if (createIncomplete) {
1115	<	checkIncomplete(g);
1116	<	f.complete(v1);
1117	<	}
1438	>	final IncFunction[] rs = new IncFunction[4];
1439	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1440
1441	<	checkCompletedNormally(g, inc(v1));
1441	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1442	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1443	>	checkIncomplete(h0);
1444	>	checkIncomplete(h1);
1445	>	assertTrue(f.complete(v1));
1446	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1447	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1448	>
1449	>	checkCompletedNormally(h0, inc(v1));
1450	>	checkCompletedNormally(h1, inc(v1));
1451	>	checkCompletedNormally(h2, inc(v1));
1452	>	checkCompletedNormally(h3, inc(v1));
1453		checkCompletedNormally(f, v1);
1454	<	assertEquals(1, r.invocationCount);
1454	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1455		}}
1456
1457		/**
#	Line 1127 | Line 1460 | public class CompletableFutureTest exten
1460		*/
1461		public void testThenApply_exceptionalCompletion() {
1462		for (ExecutionMode m : ExecutionMode.values())
1130	–	for (boolean createIncomplete : new boolean[] { true, false })
1463		{
1464		final CFException ex = new CFException();
1465		final CompletableFuture<Integer> f = new CompletableFuture<>();
1466	<	final IncFunction r = new IncFunction(m);
1467	<	if (!createIncomplete) f.completeExceptionally(ex);
1136	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1137	<	if (createIncomplete) {
1138	<	checkIncomplete(g);
1139	<	f.completeExceptionally(ex);
1140	<	}
1466	>	final IncFunction[] rs = new IncFunction[4];
1467	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1468
1469	<	checkCompletedWithWrappedCFException(g, ex);
1470	<	checkCompletedWithWrappedCFException(f, ex);
1471	<	assertEquals(0, r.invocationCount);
1469	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1470	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1471	>	assertTrue(f.completeExceptionally(ex));
1472	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1473	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1474	>
1475	>	checkCompletedWithWrappedException(h0, ex);
1476	>	checkCompletedWithWrappedException(h1, ex);
1477	>	checkCompletedWithWrappedException(h2, ex);
1478	>	checkCompletedWithWrappedException(h3, ex);
1479	>	checkCompletedExceptionally(f, ex);
1480	>	for (IncFunction r : rs) r.assertNotInvoked();
1481		}}
1482
1483		/**
#	Line 1149 | Line 1485 | public class CompletableFutureTest exten
1485		*/
1486		public void testThenApply_sourceCancelled() {
1487		for (ExecutionMode m : ExecutionMode.values())
1152	–	for (boolean createIncomplete : new boolean[] { true, false })
1488		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1489		{
1490		final CompletableFuture<Integer> f = new CompletableFuture<>();
1491	<	final IncFunction r = new IncFunction(m);
1492	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1158	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1159	<	if (createIncomplete) {
1160	<	checkIncomplete(g);
1161	<	assertTrue(f.cancel(mayInterruptIfRunning));
1162	<	}
1491	>	final IncFunction[] rs = new IncFunction[4];
1492	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1493
1494	<	checkCompletedWithWrappedCancellationException(g);
1494	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1495	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1496	>	assertTrue(f.cancel(mayInterruptIfRunning));
1497	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1498	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1499	>
1500	>	checkCompletedWithWrappedCancellationException(h0);
1501	>	checkCompletedWithWrappedCancellationException(h1);
1502	>	checkCompletedWithWrappedCancellationException(h2);
1503	>	checkCompletedWithWrappedCancellationException(h3);
1504		checkCancelled(f);
1505	<	assertEquals(0, r.invocationCount);
1505	>	for (IncFunction r : rs) r.assertNotInvoked();
1506		}}
1507
1508		/**
#	Line 1171 | Line 1510 | public class CompletableFutureTest exten
1510		*/
1511		public void testThenApply_actionFailed() {
1512		for (ExecutionMode m : ExecutionMode.values())
1174	–	for (boolean createIncomplete : new boolean[] { true, false })
1513		for (Integer v1 : new Integer[] { 1, null })
1514		{
1515		final CompletableFuture<Integer> f = new CompletableFuture<>();
1516	<	final FailingFunction r = new FailingFunction(m);
1517	<	if (!createIncomplete) f.complete(v1);
1180	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1181	<	if (createIncomplete) {
1182	<	checkIncomplete(g);
1183	<	f.complete(v1);
1184	<	}
1516	>	final FailingFunction[] rs = new FailingFunction[4];
1517	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1518
1519	<	checkCompletedWithWrappedCFException(g);
1519	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1520	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1521	>	assertTrue(f.complete(v1));
1522	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1523	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1524	>
1525	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1526	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1527	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1528	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1529		checkCompletedNormally(f, v1);
1530		}}
1531
#	Line 1192 | Line 1534 | public class CompletableFutureTest exten
1534		*/
1535		public void testThenAccept_normalCompletion() {
1536		for (ExecutionMode m : ExecutionMode.values())
1195	–	for (boolean createIncomplete : new boolean[] { true, false })
1537		for (Integer v1 : new Integer[] { 1, null })
1538		{
1539		final CompletableFuture<Integer> f = new CompletableFuture<>();
1540	<	final IncAction r = new IncAction();
1541	<	if (!createIncomplete) f.complete(v1);
1201	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1202	<	if (createIncomplete) {
1203	<	checkIncomplete(g);
1204	<	f.complete(v1);
1205	<	}
1540	>	final NoopConsumer[] rs = new NoopConsumer[4];
1541	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1542
1543	<	checkCompletedNormally(g, null);
1543	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1544	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1545	>	checkIncomplete(h0);
1546	>	checkIncomplete(h1);
1547	>	assertTrue(f.complete(v1));
1548	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1549	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1550	>
1551	>	checkCompletedNormally(h0, null);
1552	>	checkCompletedNormally(h1, null);
1553	>	checkCompletedNormally(h2, null);
1554	>	checkCompletedNormally(h3, null);
1555		checkCompletedNormally(f, v1);
1556	<	assertEquals(1, r.invocationCount);
1210	<	assertEquals(inc(v1), r.value);
1556	>	for (NoopConsumer r : rs) r.assertValue(v1);
1557		}}
1558
1559		/**
#	Line 1216 | Line 1562 | public class CompletableFutureTest exten
1562		*/
1563		public void testThenAccept_exceptionalCompletion() {
1564		for (ExecutionMode m : ExecutionMode.values())
1219	–	for (boolean createIncomplete : new boolean[] { true, false })
1565		{
1566		final CFException ex = new CFException();
1567		final CompletableFuture<Integer> f = new CompletableFuture<>();
1568	<	final IncAction r = new IncAction();
1569	<	if (!createIncomplete) f.completeExceptionally(ex);
1225	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1226	<	if (createIncomplete) {
1227	<	checkIncomplete(g);
1228	<	f.completeExceptionally(ex);
1229	<	}
1568	>	final NoopConsumer[] rs = new NoopConsumer[4];
1569	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1570
1571	<	checkCompletedWithWrappedCFException(g, ex);
1572	<	checkCompletedWithWrappedCFException(f, ex);
1573	<	assertEquals(0, r.invocationCount);
1571	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1572	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1573	>	assertTrue(f.completeExceptionally(ex));
1574	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1575	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1576	>
1577	>	checkCompletedWithWrappedException(h0, ex);
1578	>	checkCompletedWithWrappedException(h1, ex);
1579	>	checkCompletedWithWrappedException(h2, ex);
1580	>	checkCompletedWithWrappedException(h3, ex);
1581	>	checkCompletedExceptionally(f, ex);
1582	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1583		}}
1584
1585		/**
1586	<	* thenAccept result completes exceptionally if action does
1586	>	* thenAccept result completes exceptionally if source cancelled
1587		*/
1588	<	public void testThenAccept_actionFailed() {
1588	>	public void testThenAccept_sourceCancelled() {
1589		for (ExecutionMode m : ExecutionMode.values())
1590	<	for (boolean createIncomplete : new boolean[] { true, false })
1242	<	for (Integer v1 : new Integer[] { 1, null })
1590	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1591		{
1592		final CompletableFuture<Integer> f = new CompletableFuture<>();
1593	<	final FailingConsumer r = new FailingConsumer(m);
1594	<	if (!createIncomplete) f.complete(v1);
1247	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1248	<	if (createIncomplete) {
1249	<	checkIncomplete(g);
1250	<	f.complete(v1);
1251	<	}
1593	>	final NoopConsumer[] rs = new NoopConsumer[4];
1594	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1595
1596	<	checkCompletedWithWrappedCFException(g);
1597	<	checkCompletedNormally(f, v1);
1596	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1597	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1598	>	assertTrue(f.cancel(mayInterruptIfRunning));
1599	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1600	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1601	>
1602	>	checkCompletedWithWrappedCancellationException(h0);
1603	>	checkCompletedWithWrappedCancellationException(h1);
1604	>	checkCompletedWithWrappedCancellationException(h2);
1605	>	checkCompletedWithWrappedCancellationException(h3);
1606	>	checkCancelled(f);
1607	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1608		}}
1609
1610		/**
1611	<	* thenAccept result completes exceptionally if source cancelled
1611	>	* thenAccept result completes exceptionally if action does
1612		*/
1613	<	public void testThenAccept_sourceCancelled() {
1613	>	public void testThenAccept_actionFailed() {
1614		for (ExecutionMode m : ExecutionMode.values())
1615	<	for (boolean createIncomplete : new boolean[] { true, false })
1263	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1615	>	for (Integer v1 : new Integer[] { 1, null })
1616		{
1617		final CompletableFuture<Integer> f = new CompletableFuture<>();
1618	<	final IncAction r = new IncAction();
1619	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1268	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1269	<	if (createIncomplete) {
1270	<	checkIncomplete(g);
1271	<	assertTrue(f.cancel(mayInterruptIfRunning));
1272	<	}
1618	>	final FailingConsumer[] rs = new FailingConsumer[4];
1619	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1620
1621	<	checkCompletedWithWrappedCancellationException(g);
1622	<	checkCancelled(f);
1623	<	assertEquals(0, r.invocationCount);
1621	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1622	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1623	>	assertTrue(f.complete(v1));
1624	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1625	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1626	>
1627	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1628	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1629	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1630	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1631	>	checkCompletedNormally(f, v1);
1632		}}
1633
1634		/**
#	Line 1282 | Line 1637 | public class CompletableFutureTest exten
1637		*/
1638		public void testThenCombine_normalCompletion() {
1639		for (ExecutionMode m : ExecutionMode.values())
1285	–	for (boolean createIncomplete : new boolean[] { true, false })
1640		for (boolean fFirst : new boolean[] { true, false })
1641		for (Integer v1 : new Integer[] { 1, null })
1642		for (Integer v2 : new Integer[] { 2, null })
1643		{
1644		final CompletableFuture<Integer> f = new CompletableFuture<>();
1645		final CompletableFuture<Integer> g = new CompletableFuture<>();
1646	<	final SubtractFunction r = new SubtractFunction(m);
1646	>	final SubtractFunction[] rs = new SubtractFunction[6];
1647	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1648
1649	<	if (fFirst) f.complete(v1); else g.complete(v2);
1650	<	if (!createIncomplete)
1651	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1652	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1653	<	if (createIncomplete) {
1654	<	checkIncomplete(h);
1655	<	assertEquals(0, r.invocationCount);
1656	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1657	<	}
1649	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1650	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1651	>	final Integer w1 =  fFirst ? v1 : v2;
1652	>	final Integer w2 = !fFirst ? v1 : v2;
1653	>
1654	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1655	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1656	>	assertTrue(fst.complete(w1));
1657	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1658	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1659	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1660	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1661	>	checkCompletedNormally(h1, subtract(w1, w1));
1662	>	checkCompletedNormally(h3, subtract(w1, w1));
1663	>	rs[1].assertValue(subtract(w1, w1));
1664	>	rs[3].assertValue(subtract(w1, w1));
1665	>	assertTrue(snd.complete(w2));
1666	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1667	>
1668	>	checkCompletedNormally(h0, subtract(v1, v2));
1669	>	checkCompletedNormally(h2, subtract(v1, v2));
1670	>	checkCompletedNormally(h4, subtract(v1, v2));
1671	>	rs[0].assertValue(subtract(v1, v2));
1672	>	rs[2].assertValue(subtract(v1, v2));
1673	>	rs[4].assertValue(subtract(v1, v2));
1674
1304	–	checkCompletedNormally(h, subtract(v1, v2));
1675		checkCompletedNormally(f, v1);
1676		checkCompletedNormally(g, v2);
1307	–	assertEquals(1, r.invocationCount);
1677		}}
1678
1679		/**
1680		* thenCombine result completes exceptionally after exceptional
1681		* completion of either source
1682		*/
1683	<	public void testThenCombine_exceptionalCompletion() {
1683	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1684		for (ExecutionMode m : ExecutionMode.values())
1316	–	for (boolean createIncomplete : new boolean[] { true, false })
1685		for (boolean fFirst : new boolean[] { true, false })
1686	+	for (boolean failFirst : new boolean[] { true, false })
1687		for (Integer v1 : new Integer[] { 1, null })
1688		{
1689		final CompletableFuture<Integer> f = new CompletableFuture<>();
1690		final CompletableFuture<Integer> g = new CompletableFuture<>();
1691		final CFException ex = new CFException();
1692	<	final SubtractFunction r = new SubtractFunction(m);
1693	<
1694	<	(fFirst ? f : g).complete(v1);
1695	<	if (!createIncomplete)
1696	<	(!fFirst ? f : g).completeExceptionally(ex);
1697	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1698	<	if (createIncomplete) {
1699	<	checkIncomplete(h);
1700	<	(!fFirst ? f : g).completeExceptionally(ex);
1701	<	}
1702	<
1703	<	checkCompletedWithWrappedCFException(h, ex);
1704	<	assertEquals(0, r.invocationCount);
1705	<	checkCompletedNormally(fFirst ? f : g, v1);
1706	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1692	>	final SubtractFunction r1 = new SubtractFunction(m);
1693	>	final SubtractFunction r2 = new SubtractFunction(m);
1694	>	final SubtractFunction r3 = new SubtractFunction(m);
1695	>
1696	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1697	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1698	>	final Callable<Boolean> complete1 = failFirst ?
1699	>	() -> fst.completeExceptionally(ex) :
1700	>	() -> fst.complete(v1);
1701	>	final Callable<Boolean> complete2 = failFirst ?
1702	>	() -> snd.complete(v1) :
1703	>	() -> snd.completeExceptionally(ex);
1704	>
1705	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1706	>	assertTrue(complete1.call());
1707	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1708	>	checkIncomplete(h1);
1709	>	checkIncomplete(h2);
1710	>	assertTrue(complete2.call());
1711	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1712	>
1713	>	checkCompletedWithWrappedException(h1, ex);
1714	>	checkCompletedWithWrappedException(h2, ex);
1715	>	checkCompletedWithWrappedException(h3, ex);
1716	>	r1.assertNotInvoked();
1717	>	r2.assertNotInvoked();
1718	>	r3.assertNotInvoked();
1719	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1720	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1721		}}
1722
1723		/**
1724	<	* thenCombine result completes exceptionally if action does
1724	>	* thenCombine result completes exceptionally if either source cancelled
1725		*/
1726	<	public void testThenCombine_actionFailed() {
1726	>	public void testThenCombine_sourceCancelled() throws Throwable {
1727		for (ExecutionMode m : ExecutionMode.values())
1728	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1729		for (boolean fFirst : new boolean[] { true, false })
1730	+	for (boolean failFirst : new boolean[] { true, false })
1731		for (Integer v1 : new Integer[] { 1, null })
1347	–	for (Integer v2 : new Integer[] { 2, null })
1732		{
1733		final CompletableFuture<Integer> f = new CompletableFuture<>();
1734		final CompletableFuture<Integer> g = new CompletableFuture<>();
1735	<	final FailingBiFunction r = new FailingBiFunction(m);
1736	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1737	<
1738	<	if (fFirst) {
1739	<	f.complete(v1);
1740	<	g.complete(v2);
1741	<	} else {
1742	<	g.complete(v2);
1743	<	f.complete(v1);
1744	<	}
1745	<
1746	<	checkCompletedWithWrappedCFException(h);
1747	<	checkCompletedNormally(f, v1);
1748	<	checkCompletedNormally(g, v2);
1735	>	final SubtractFunction r1 = new SubtractFunction(m);
1736	>	final SubtractFunction r2 = new SubtractFunction(m);
1737	>	final SubtractFunction r3 = new SubtractFunction(m);
1738	>
1739	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1740	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1741	>	final Callable<Boolean> complete1 = failFirst ?
1742	>	() -> fst.cancel(mayInterruptIfRunning) :
1743	>	() -> fst.complete(v1);
1744	>	final Callable<Boolean> complete2 = failFirst ?
1745	>	() -> snd.complete(v1) :
1746	>	() -> snd.cancel(mayInterruptIfRunning);
1747	>
1748	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1749	>	assertTrue(complete1.call());
1750	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1751	>	checkIncomplete(h1);
1752	>	checkIncomplete(h2);
1753	>	assertTrue(complete2.call());
1754	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1755	>
1756	>	checkCompletedWithWrappedCancellationException(h1);
1757	>	checkCompletedWithWrappedCancellationException(h2);
1758	>	checkCompletedWithWrappedCancellationException(h3);
1759	>	r1.assertNotInvoked();
1760	>	r2.assertNotInvoked();
1761	>	r3.assertNotInvoked();
1762	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1763	>	checkCancelled(failFirst ? fst : snd);
1764		}}
1765
1766		/**
1767	<	* thenCombine result completes exceptionally if either source cancelled
1767	>	* thenCombine result completes exceptionally if action does
1768		*/
1769	<	public void testThenCombine_sourceCancelled() {
1769	>	public void testThenCombine_actionFailed() {
1770		for (ExecutionMode m : ExecutionMode.values())
1372	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1373	–	for (boolean createIncomplete : new boolean[] { true, false })
1771		for (boolean fFirst : new boolean[] { true, false })
1772		for (Integer v1 : new Integer[] { 1, null })
1773	+	for (Integer v2 : new Integer[] { 2, null })
1774		{
1775		final CompletableFuture<Integer> f = new CompletableFuture<>();
1776		final CompletableFuture<Integer> g = new CompletableFuture<>();
1777	<	final SubtractFunction r = new SubtractFunction(m);
1778	<
1779	<	(fFirst ? f : g).complete(v1);
1780	<	if (!createIncomplete)
1781	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1782	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1783	<	if (createIncomplete) {
1784	<	checkIncomplete(h);
1785	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1786	<	}
1787	<
1788	<	checkCompletedWithWrappedCancellationException(h);
1789	<	checkCancelled(!fFirst ? f : g);
1790	<	assertEquals(0, r.invocationCount);
1791	<	checkCompletedNormally(fFirst ? f : g, v1);
1777	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1778	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1779	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1780	>
1781	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1782	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1783	>	final Integer w1 =  fFirst ? v1 : v2;
1784	>	final Integer w2 = !fFirst ? v1 : v2;
1785	>
1786	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1787	>	assertTrue(fst.complete(w1));
1788	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1789	>	assertTrue(snd.complete(w2));
1790	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1791	>
1792	>	checkCompletedWithWrappedException(h1, r1.ex);
1793	>	checkCompletedWithWrappedException(h2, r2.ex);
1794	>	checkCompletedWithWrappedException(h3, r3.ex);
1795	>	r1.assertInvoked();
1796	>	r2.assertInvoked();
1797	>	r3.assertInvoked();
1798	>	checkCompletedNormally(f, v1);
1799	>	checkCompletedNormally(g, v2);
1800		}}
1801
1802		/**
#	Line 1399 | Line 1805 | public class CompletableFutureTest exten
1805		*/
1806		public void testThenAcceptBoth_normalCompletion() {
1807		for (ExecutionMode m : ExecutionMode.values())
1402	–	for (boolean createIncomplete : new boolean[] { true, false })
1808		for (boolean fFirst : new boolean[] { true, false })
1809		for (Integer v1 : new Integer[] { 1, null })
1810		for (Integer v2 : new Integer[] { 2, null })
1811		{
1812		final CompletableFuture<Integer> f = new CompletableFuture<>();
1813		final CompletableFuture<Integer> g = new CompletableFuture<>();
1814	<	final SubtractAction r = new SubtractAction(m);
1815	<
1816	<	if (fFirst) f.complete(v1); else g.complete(v2);
1817	<	if (!createIncomplete)
1818	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1819	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1820	<	if (createIncomplete) {
1821	<	checkIncomplete(h);
1822	<	assertEquals(0, r.invocationCount);
1823	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1824	<	}
1825	<
1826	<	checkCompletedNormally(h, null);
1827	<	assertEquals(subtract(v1, v2), r.value);
1814	>	final SubtractAction r1 = new SubtractAction(m);
1815	>	final SubtractAction r2 = new SubtractAction(m);
1816	>	final SubtractAction r3 = new SubtractAction(m);
1817	>
1818	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1819	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1820	>	final Integer w1 =  fFirst ? v1 : v2;
1821	>	final Integer w2 = !fFirst ? v1 : v2;
1822	>
1823	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1824	>	assertTrue(fst.complete(w1));
1825	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1826	>	checkIncomplete(h1);
1827	>	checkIncomplete(h2);
1828	>	r1.assertNotInvoked();
1829	>	r2.assertNotInvoked();
1830	>	assertTrue(snd.complete(w2));
1831	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1832	>
1833	>	checkCompletedNormally(h1, null);
1834	>	checkCompletedNormally(h2, null);
1835	>	checkCompletedNormally(h3, null);
1836	>	r1.assertValue(subtract(v1, v2));
1837	>	r2.assertValue(subtract(v1, v2));
1838	>	r3.assertValue(subtract(v1, v2));
1839		checkCompletedNormally(f, v1);
1840		checkCompletedNormally(g, v2);
1841		}}
#	Line 1428 | Line 1844 | public class CompletableFutureTest exten
1844		* thenAcceptBoth result completes exceptionally after exceptional
1845		* completion of either source
1846		*/
1847	<	public void testThenAcceptBoth_exceptionalCompletion() {
1847	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1848		for (ExecutionMode m : ExecutionMode.values())
1433	–	for (boolean createIncomplete : new boolean[] { true, false })
1849		for (boolean fFirst : new boolean[] { true, false })
1850	+	for (boolean failFirst : new boolean[] { true, false })
1851		for (Integer v1 : new Integer[] { 1, null })
1852		{
1853		final CompletableFuture<Integer> f = new CompletableFuture<>();
1854		final CompletableFuture<Integer> g = new CompletableFuture<>();
1855		final CFException ex = new CFException();
1856	<	final SubtractAction r = new SubtractAction(m);
1857	<
1858	<	(fFirst ? f : g).complete(v1);
1859	<	if (!createIncomplete)
1860	<	(!fFirst ? f : g).completeExceptionally(ex);
1861	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1862	<	if (createIncomplete) {
1863	<	checkIncomplete(h);
1864	<	(!fFirst ? f : g).completeExceptionally(ex);
1865	<	}
1866	<
1867	<	checkCompletedWithWrappedCFException(h, ex);
1868	<	assertEquals(0, r.invocationCount);
1869	<	checkCompletedNormally(fFirst ? f : g, v1);
1870	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1856	>	final SubtractAction r1 = new SubtractAction(m);
1857	>	final SubtractAction r2 = new SubtractAction(m);
1858	>	final SubtractAction r3 = new SubtractAction(m);
1859	>
1860	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1861	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1862	>	final Callable<Boolean> complete1 = failFirst ?
1863	>	() -> fst.completeExceptionally(ex) :
1864	>	() -> fst.complete(v1);
1865	>	final Callable<Boolean> complete2 = failFirst ?
1866	>	() -> snd.complete(v1) :
1867	>	() -> snd.completeExceptionally(ex);
1868	>
1869	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1870	>	assertTrue(complete1.call());
1871	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1872	>	checkIncomplete(h1);
1873	>	checkIncomplete(h2);
1874	>	assertTrue(complete2.call());
1875	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1876	>
1877	>	checkCompletedWithWrappedException(h1, ex);
1878	>	checkCompletedWithWrappedException(h2, ex);
1879	>	checkCompletedWithWrappedException(h3, ex);
1880	>	r1.assertNotInvoked();
1881	>	r2.assertNotInvoked();
1882	>	r3.assertNotInvoked();
1883	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1884	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1885		}}
1886
1887		/**
1888	<	* thenAcceptBoth result completes exceptionally if action does
1888	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1889		*/
1890	<	public void testThenAcceptBoth_actionFailed() {
1890	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1891		for (ExecutionMode m : ExecutionMode.values())
1892	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1893		for (boolean fFirst : new boolean[] { true, false })
1894	+	for (boolean failFirst : new boolean[] { true, false })
1895		for (Integer v1 : new Integer[] { 1, null })
1464	–	for (Integer v2 : new Integer[] { 2, null })
1896		{
1897		final CompletableFuture<Integer> f = new CompletableFuture<>();
1898		final CompletableFuture<Integer> g = new CompletableFuture<>();
1899	<	final FailingBiConsumer r = new FailingBiConsumer(m);
1900	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1901	<
1902	<	if (fFirst) {
1903	<	f.complete(v1);
1904	<	g.complete(v2);
1905	<	} else {
1906	<	g.complete(v2);
1907	<	f.complete(v1);
1908	<	}
1909	<
1910	<	checkCompletedWithWrappedCFException(h);
1911	<	checkCompletedNormally(f, v1);
1912	<	checkCompletedNormally(g, v2);
1899	>	final SubtractAction r1 = new SubtractAction(m);
1900	>	final SubtractAction r2 = new SubtractAction(m);
1901	>	final SubtractAction r3 = new SubtractAction(m);
1902	>
1903	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1904	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1905	>	final Callable<Boolean> complete1 = failFirst ?
1906	>	() -> fst.cancel(mayInterruptIfRunning) :
1907	>	() -> fst.complete(v1);
1908	>	final Callable<Boolean> complete2 = failFirst ?
1909	>	() -> snd.complete(v1) :
1910	>	() -> snd.cancel(mayInterruptIfRunning);
1911	>
1912	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1913	>	assertTrue(complete1.call());
1914	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1915	>	checkIncomplete(h1);
1916	>	checkIncomplete(h2);
1917	>	assertTrue(complete2.call());
1918	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1919	>
1920	>	checkCompletedWithWrappedCancellationException(h1);
1921	>	checkCompletedWithWrappedCancellationException(h2);
1922	>	checkCompletedWithWrappedCancellationException(h3);
1923	>	r1.assertNotInvoked();
1924	>	r2.assertNotInvoked();
1925	>	r3.assertNotInvoked();
1926	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1927	>	checkCancelled(failFirst ? fst : snd);
1928		}}
1929
1930		/**
1931	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1931	>	* thenAcceptBoth result completes exceptionally if action does
1932		*/
1933	<	public void testThenAcceptBoth_sourceCancelled() {
1933	>	public void testThenAcceptBoth_actionFailed() {
1934		for (ExecutionMode m : ExecutionMode.values())
1489	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1490	–	for (boolean createIncomplete : new boolean[] { true, false })
1935		for (boolean fFirst : new boolean[] { true, false })
1936		for (Integer v1 : new Integer[] { 1, null })
1937	+	for (Integer v2 : new Integer[] { 2, null })
1938		{
1939		final CompletableFuture<Integer> f = new CompletableFuture<>();
1940		final CompletableFuture<Integer> g = new CompletableFuture<>();
1941	<	final SubtractAction r = new SubtractAction(m);
1942	<
1943	<	(fFirst ? f : g).complete(v1);
1944	<	if (!createIncomplete)
1945	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1946	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1947	<	if (createIncomplete) {
1948	<	checkIncomplete(h);
1949	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1950	<	}
1951	<
1952	<	checkCompletedWithWrappedCancellationException(h);
1953	<	checkCancelled(!fFirst ? f : g);
1954	<	assertEquals(0, r.invocationCount);
1955	<	checkCompletedNormally(fFirst ? f : g, v1);
1941	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1942	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1943	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1944	>
1945	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1946	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1947	>	final Integer w1 =  fFirst ? v1 : v2;
1948	>	final Integer w2 = !fFirst ? v1 : v2;
1949	>
1950	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1951	>	assertTrue(fst.complete(w1));
1952	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1953	>	assertTrue(snd.complete(w2));
1954	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1955	>
1956	>	checkCompletedWithWrappedException(h1, r1.ex);
1957	>	checkCompletedWithWrappedException(h2, r2.ex);
1958	>	checkCompletedWithWrappedException(h3, r3.ex);
1959	>	r1.assertInvoked();
1960	>	r2.assertInvoked();
1961	>	r3.assertInvoked();
1962	>	checkCompletedNormally(f, v1);
1963	>	checkCompletedNormally(g, v2);
1964		}}
1965
1966		/**
#	Line 1516 | Line 1969 | public class CompletableFutureTest exten
1969		*/
1970		public void testRunAfterBoth_normalCompletion() {
1971		for (ExecutionMode m : ExecutionMode.values())
1519	–	for (boolean createIncomplete : new boolean[] { true, false })
1972		for (boolean fFirst : new boolean[] { true, false })
1973		for (Integer v1 : new Integer[] { 1, null })
1974		for (Integer v2 : new Integer[] { 2, null })
1975		{
1976		final CompletableFuture<Integer> f = new CompletableFuture<>();
1977		final CompletableFuture<Integer> g = new CompletableFuture<>();
1978	<	final Noop r = new Noop(m);
1979	<
1980	<	if (fFirst) f.complete(v1); else g.complete(v2);
1981	<	if (!createIncomplete)
1982	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1983	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1984	<	if (createIncomplete) {
1985	<	checkIncomplete(h);
1986	<	assertEquals(0, r.invocationCount);
1987	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1988	<	}
1989	<
1990	<	checkCompletedNormally(h, null);
1991	<	assertEquals(1, r.invocationCount);
1978	>	final Noop r1 = new Noop(m);
1979	>	final Noop r2 = new Noop(m);
1980	>	final Noop r3 = new Noop(m);
1981	>
1982	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1983	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1984	>	final Integer w1 =  fFirst ? v1 : v2;
1985	>	final Integer w2 = !fFirst ? v1 : v2;
1986	>
1987	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1988	>	assertTrue(fst.complete(w1));
1989	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1990	>	checkIncomplete(h1);
1991	>	checkIncomplete(h2);
1992	>	r1.assertNotInvoked();
1993	>	r2.assertNotInvoked();
1994	>	assertTrue(snd.complete(w2));
1995	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1996	>
1997	>	checkCompletedNormally(h1, null);
1998	>	checkCompletedNormally(h2, null);
1999	>	checkCompletedNormally(h3, null);
2000	>	r1.assertInvoked();
2001	>	r2.assertInvoked();
2002	>	r3.assertInvoked();
2003		checkCompletedNormally(f, v1);
2004		checkCompletedNormally(g, v2);
2005		}}
#	Line 1545 | Line 2008 | public class CompletableFutureTest exten
2008		* runAfterBoth result completes exceptionally after exceptional
2009		* completion of either source
2010		*/
2011	<	public void testRunAfterBoth_exceptionalCompletion() {
2011	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2012		for (ExecutionMode m : ExecutionMode.values())
1550	–	for (boolean createIncomplete : new boolean[] { true, false })
2013		for (boolean fFirst : new boolean[] { true, false })
2014	+	for (boolean failFirst : new boolean[] { true, false })
2015		for (Integer v1 : new Integer[] { 1, null })
2016		{
2017		final CompletableFuture<Integer> f = new CompletableFuture<>();
2018		final CompletableFuture<Integer> g = new CompletableFuture<>();
2019		final CFException ex = new CFException();
2020	<	final Noop r = new Noop(m);
2021	<
2022	<	(fFirst ? f : g).complete(v1);
2023	<	if (!createIncomplete)
2024	<	(!fFirst ? f : g).completeExceptionally(ex);
2025	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2026	<	if (createIncomplete) {
2027	<	checkIncomplete(h);
2028	<	(!fFirst ? f : g).completeExceptionally(ex);
2029	<	}
2030	<
2031	<	checkCompletedWithWrappedCFException(h, ex);
2032	<	assertEquals(0, r.invocationCount);
2033	<	checkCompletedNormally(fFirst ? f : g, v1);
2034	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
2035	<	}}
2036	<
2037	<	/**
2038	<	* runAfterBoth result completes exceptionally if action does
2039	<	*/
2040	<	public void testRunAfterBoth_actionFailed() {
2041	<	for (ExecutionMode m : ExecutionMode.values())
2042	<	for (boolean fFirst : new boolean[] { true, false })
2043	<	for (Integer v1 : new Integer[] { 1, null })
2044	<	for (Integer v2 : new Integer[] { 2, null })
2045	<	{
2046	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2047	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2048	<	final FailingRunnable r = new FailingRunnable(m);
1586	<
1587	<	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r);
1588	<	if (fFirst) {
1589	<	f.complete(v1);
1590	<	g.complete(v2);
1591	<	} else {
1592	<	g.complete(v2);
1593	<	f.complete(v1);
1594	<	}
1595	<	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r);
1596	<
1597	<	checkCompletedWithWrappedCFException(h1);
1598	<	checkCompletedWithWrappedCFException(h2);
1599	<	checkCompletedNormally(f, v1);
1600	<	checkCompletedNormally(g, v2);
2020	>	final Noop r1 = new Noop(m);
2021	>	final Noop r2 = new Noop(m);
2022	>	final Noop r3 = new Noop(m);
2023	>
2024	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2025	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2026	>	final Callable<Boolean> complete1 = failFirst ?
2027	>	() -> fst.completeExceptionally(ex) :
2028	>	() -> fst.complete(v1);
2029	>	final Callable<Boolean> complete2 = failFirst ?
2030	>	() -> snd.complete(v1) :
2031	>	() -> snd.completeExceptionally(ex);
2032	>
2033	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2034	>	assertTrue(complete1.call());
2035	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2036	>	checkIncomplete(h1);
2037	>	checkIncomplete(h2);
2038	>	assertTrue(complete2.call());
2039	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2040	>
2041	>	checkCompletedWithWrappedException(h1, ex);
2042	>	checkCompletedWithWrappedException(h2, ex);
2043	>	checkCompletedWithWrappedException(h3, ex);
2044	>	r1.assertNotInvoked();
2045	>	r2.assertNotInvoked();
2046	>	r3.assertNotInvoked();
2047	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2048	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2049		}}
2050
2051		/**
2052		* runAfterBoth result completes exceptionally if either source cancelled
2053		*/
2054	<	public void testRunAfterBoth_sourceCancelled() {
2054	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2055		for (ExecutionMode m : ExecutionMode.values())
2056		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1609	–	for (boolean createIncomplete : new boolean[] { true, false })
2057		for (boolean fFirst : new boolean[] { true, false })
2058	+	for (boolean failFirst : new boolean[] { true, false })
2059		for (Integer v1 : new Integer[] { 1, null })
2060		{
2061		final CompletableFuture<Integer> f = new CompletableFuture<>();
2062		final CompletableFuture<Integer> g = new CompletableFuture<>();
2063	<	final Noop r = new Noop(m);
2064	<
2065	<
2066	<	(fFirst ? f : g).complete(v1);
2067	<	if (!createIncomplete)
2068	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2069	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2070	<	if (createIncomplete) {
2071	<	checkIncomplete(h);
2072	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2073	<	}
2074	<
2075	<	checkCompletedWithWrappedCancellationException(h);
2076	<	checkCancelled(!fFirst ? f : g);
2077	<	assertEquals(0, r.invocationCount);
2078	<	checkCompletedNormally(fFirst ? f : g, v1);
2063	>	final Noop r1 = new Noop(m);
2064	>	final Noop r2 = new Noop(m);
2065	>	final Noop r3 = new Noop(m);
2066	>
2067	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2068	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2069	>	final Callable<Boolean> complete1 = failFirst ?
2070	>	() -> fst.cancel(mayInterruptIfRunning) :
2071	>	() -> fst.complete(v1);
2072	>	final Callable<Boolean> complete2 = failFirst ?
2073	>	() -> snd.complete(v1) :
2074	>	() -> snd.cancel(mayInterruptIfRunning);
2075	>
2076	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2077	>	assertTrue(complete1.call());
2078	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2079	>	checkIncomplete(h1);
2080	>	checkIncomplete(h2);
2081	>	assertTrue(complete2.call());
2082	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2083	>
2084	>	checkCompletedWithWrappedCancellationException(h1);
2085	>	checkCompletedWithWrappedCancellationException(h2);
2086	>	checkCompletedWithWrappedCancellationException(h3);
2087	>	r1.assertNotInvoked();
2088	>	r2.assertNotInvoked();
2089	>	r3.assertNotInvoked();
2090	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2091	>	checkCancelled(failFirst ? fst : snd);
2092		}}
2093
2094		/**
2095	<	* applyToEither result completes normally after normal completion
1635	<	* of either source
2095	>	* runAfterBoth result completes exceptionally if action does
2096		*/
2097	<	public void testApplyToEither_normalCompletion() {
2097	>	public void testRunAfterBoth_actionFailed() {
2098		for (ExecutionMode m : ExecutionMode.values())
1639	–	for (boolean createIncomplete : new boolean[] { true, false })
2099		for (boolean fFirst : new boolean[] { true, false })
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(m);
2106	<
2107	<	if (!createIncomplete)
2108	<	if (fFirst) f.complete(v1); else g.complete(v2);
2109	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2110	<	if (createIncomplete) {
2111	<	checkIncomplete(h);
2112	<	assertEquals(0, r.invocationCount);
2113	<	if (fFirst) f.complete(v1); else g.complete(v2);
2114	<	}
2115	<	checkCompletedNormally(h, inc(fFirst ? v1 : v2));
2116	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2117	<
2105	>	final FailingRunnable r1 = new FailingRunnable(m);
2106	>	final FailingRunnable r2 = new FailingRunnable(m);
2107	>	final FailingRunnable r3 = new FailingRunnable(m);
2108	>
2109	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2110	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2111	>	final Integer w1 =  fFirst ? v1 : v2;
2112	>	final Integer w2 = !fFirst ? v1 : v2;
2113	>
2114	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2115	>	assertTrue(fst.complete(w1));
2116	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2117	>	assertTrue(snd.complete(w2));
2118	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2119	>
2120	>	checkCompletedWithWrappedException(h1, r1.ex);
2121	>	checkCompletedWithWrappedException(h2, r2.ex);
2122	>	checkCompletedWithWrappedException(h3, r3.ex);
2123	>	r1.assertInvoked();
2124	>	r2.assertInvoked();
2125	>	r3.assertInvoked();
2126		checkCompletedNormally(f, v1);
2127		checkCompletedNormally(g, v2);
1661	–	checkCompletedNormally(h, inc(fFirst ? v1 : v2));
2128		}}
2129
2130	<	public void testApplyToEither_normalCompletionBothAvailable() {
2130	>	/**
2131	>	* applyToEither result completes normally after normal completion
2132	>	* of either source
2133	>	*/
2134	>	public void testApplyToEither_normalCompletion() {
2135		for (ExecutionMode m : ExecutionMode.values())
1666	–	for (boolean fFirst : new boolean[] { true, false })
2136		for (Integer v1 : new Integer[] { 1, null })
2137		for (Integer v2 : new Integer[] { 2, null })
2138		{
2139		final CompletableFuture<Integer> f = new CompletableFuture<>();
2140		final CompletableFuture<Integer> g = new CompletableFuture<>();
2141	<	final IncFunction r = new IncFunction(m);
2141	>	final IncFunction[] rs = new IncFunction[6];
2142	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2143
2144	<	if (fFirst) {
2145	<	f.complete(v1);
2146	<	g.complete(v2);
2147	<	} else {
2148	<	g.complete(v2);
2149	<	f.complete(v1);
2150	<	}
2144	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2145	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2146	>	checkIncomplete(h0);
2147	>	checkIncomplete(h1);
2148	>	rs[0].assertNotInvoked();
2149	>	rs[1].assertNotInvoked();
2150	>	f.complete(v1);
2151	>	checkCompletedNormally(h0, inc(v1));
2152	>	checkCompletedNormally(h1, inc(v1));
2153	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2154	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2155	>	checkCompletedNormally(h2, inc(v1));
2156	>	checkCompletedNormally(h3, inc(v1));
2157	>	g.complete(v2);
2158
2159	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2159	>	// unspecified behavior - both source completions available
2160	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2161	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2162	>	rs[4].assertValue(h4.join());
2163	>	rs[5].assertValue(h5.join());
2164	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2165	>	Objects.equals(inc(v2), h4.join()));
2166	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2167	>	Objects.equals(inc(v2), h5.join()));
2168
2169		checkCompletedNormally(f, v1);
2170		checkCompletedNormally(g, v2);
2171	<
2172	<	// unspecified behavior
2173	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2174	<	Objects.equals(h.join(), inc(v2)));
2175	<	assertEquals(1, r.invocationCount);
2171	>	checkCompletedNormally(h0, inc(v1));
2172	>	checkCompletedNormally(h1, inc(v1));
2173	>	checkCompletedNormally(h2, inc(v1));
2174	>	checkCompletedNormally(h3, inc(v1));
2175	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2176		}}
2177
2178		/**
2179		* applyToEither result completes exceptionally after exceptional
2180		* completion of either source
2181		*/
2182	<	public void testApplyToEither_exceptionalCompletion1() {
2182	>	public void testApplyToEither_exceptionalCompletion() {
2183		for (ExecutionMode m : ExecutionMode.values())
1699	–	for (boolean createIncomplete : new boolean[] { true, false })
1700	–	for (boolean fFirst : new boolean[] { true, false })
2184		for (Integer v1 : new Integer[] { 1, null })
2185		{
2186		final CompletableFuture<Integer> f = new CompletableFuture<>();
2187		final CompletableFuture<Integer> g = new CompletableFuture<>();
2188		final CFException ex = new CFException();
2189	<	final IncFunction r = new IncFunction(m);
2189	>	final IncFunction[] rs = new IncFunction[6];
2190	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2191
2192	<	if (!createIncomplete) (fFirst ? f : g).completeExceptionally(ex);
2193	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2194	<	if (createIncomplete) {
2195	<	checkIncomplete(h);
2196	<	assertEquals(0, r.invocationCount);
2197	<	(fFirst ? f : g).completeExceptionally(ex);
2192	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2193	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2194	>	checkIncomplete(h0);
2195	>	checkIncomplete(h1);
2196	>	rs[0].assertNotInvoked();
2197	>	rs[1].assertNotInvoked();
2198	>	f.completeExceptionally(ex);
2199	>	checkCompletedWithWrappedException(h0, ex);
2200	>	checkCompletedWithWrappedException(h1, ex);
2201	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2202	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2203	>	checkCompletedWithWrappedException(h2, ex);
2204	>	checkCompletedWithWrappedException(h3, ex);
2205	>	g.complete(v1);
2206	>
2207	>	// unspecified behavior - both source completions available
2208	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2209	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2210	>	try {
2211	>	assertEquals(inc(v1), h4.join());
2212	>	rs[4].assertValue(inc(v1));
2213	>	} catch (CompletionException ok) {
2214	>	checkCompletedWithWrappedException(h4, ex);
2215	>	rs[4].assertNotInvoked();
2216	>	}
2217	>	try {
2218	>	assertEquals(inc(v1), h5.join());
2219	>	rs[5].assertValue(inc(v1));
2220	>	} catch (CompletionException ok) {
2221	>	checkCompletedWithWrappedException(h5, ex);
2222	>	rs[5].assertNotInvoked();
2223		}
2224
2225	<	checkCompletedWithWrappedCFException(h, ex);
2226	<	(!fFirst ? f : g).complete(v1);
2227	<
2228	<	assertEquals(0, r.invocationCount);
2229	<	checkCompletedNormally(!fFirst ? f : g, v1);
2230	<	checkCompletedWithWrappedCFException(fFirst ? f : g, ex);
2231	<	checkCompletedWithWrappedCFException(h, ex);
2225	>	checkCompletedExceptionally(f, ex);
2226	>	checkCompletedNormally(g, v1);
2227	>	checkCompletedWithWrappedException(h0, ex);
2228	>	checkCompletedWithWrappedException(h1, ex);
2229	>	checkCompletedWithWrappedException(h2, ex);
2230	>	checkCompletedWithWrappedException(h3, ex);
2231	>	checkCompletedWithWrappedException(h4, ex);
2232	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2233		}}
2234
2235		public void testApplyToEither_exceptionalCompletion2() {
2236		for (ExecutionMode m : ExecutionMode.values())
1727	–	for (boolean reverseArgs : new boolean[] { true, false })
2237		for (boolean fFirst : new boolean[] { true, false })
2238		for (Integer v1 : new Integer[] { 1, null })
2239		{
2240		final CompletableFuture<Integer> f = new CompletableFuture<>();
2241		final CompletableFuture<Integer> g = new CompletableFuture<>();
1733	–	final IncFunction r1 = new IncFunction(m);
1734	–	final IncFunction r2 = new IncFunction(m);
2242		final CFException ex = new CFException();
2243	<	final CompletableFuture<Integer> j = (reverseArgs ? g : f);
2244	<	final CompletableFuture<Integer> k = (reverseArgs ? f : g);
2245	<	final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
2246	<	if (fFirst) {
2247	<	f.complete(v1);
2248	<	g.completeExceptionally(ex);
2249	<	} else {
2250	<	g.completeExceptionally(ex);
2251	<	f.complete(v1);
1745	<	}
1746	<	final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
2243	>	final IncFunction[] rs = new IncFunction[6];
2244	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2245	>
2246	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2247	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2248	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2249	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2250	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2251	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2252
2253	<	// unspecified behavior
2253	>	// unspecified behavior - both source completions available
2254	>	try {
2255	>	assertEquals(inc(v1), h0.join());
2256	>	rs[0].assertValue(inc(v1));
2257	>	} catch (CompletionException ok) {
2258	>	checkCompletedWithWrappedException(h0, ex);
2259	>	rs[0].assertNotInvoked();
2260	>	}
2261		try {
2262		assertEquals(inc(v1), h1.join());
2263	<	assertEquals(1, r1.invocationCount);
2263	>	rs[1].assertValue(inc(v1));
2264		} catch (CompletionException ok) {
2265	<	checkCompletedWithWrappedCFException(h1, ex);
2266	<	assertEquals(0, r1.invocationCount);
2265	>	checkCompletedWithWrappedException(h1, ex);
2266	>	rs[1].assertNotInvoked();
2267		}
1756	–
2268		try {
2269		assertEquals(inc(v1), h2.join());
2270	<	assertEquals(1, r2.invocationCount);
2270	>	rs[2].assertValue(inc(v1));
2271		} catch (CompletionException ok) {
2272	<	checkCompletedWithWrappedCFException(h2, ex);
2273	<	assertEquals(0, r2.invocationCount);
2272	>	checkCompletedWithWrappedException(h2, ex);
2273	>	rs[2].assertNotInvoked();
2274	>	}
2275	>	try {
2276	>	assertEquals(inc(v1), h3.join());
2277	>	rs[3].assertValue(inc(v1));
2278	>	} catch (CompletionException ok) {
2279	>	checkCompletedWithWrappedException(h3, ex);
2280	>	rs[3].assertNotInvoked();
2281		}
2282
1765	–	checkCompletedWithWrappedCFException(g, ex);
1766	–	checkCompletedNormally(f, v1);
1767	–	}}
1768	–
1769	–	/**
1770	–	* applyToEither result completes exceptionally if action does
1771	–	*/
1772	–	public void testApplyToEither_actionFailed1() {
1773	–	for (ExecutionMode m : ExecutionMode.values())
1774	–	for (Integer v1 : new Integer[] { 1, null })
1775	–	for (Integer v2 : new Integer[] { 2, null })
1776	–	{
1777	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1778	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1779	–	final FailingFunction r = new FailingFunction(m);
1780	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1781	–
1782	–	f.complete(v1);
1783	–	checkCompletedWithWrappedCFException(h);
1784	–	g.complete(v2);
1785	–	checkCompletedNormally(f, v1);
1786	–	checkCompletedNormally(g, v2);
1787	–	}}
1788	–
1789	–	public void testApplyToEither_actionFailed2() {
1790	–	for (ExecutionMode m : ExecutionMode.values())
1791	–	for (Integer v1 : new Integer[] { 1, null })
1792	–	for (Integer v2 : new Integer[] { 2, null })
1793	–	{
1794	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1795	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1796	–	final FailingFunction r = new FailingFunction(m);
1797	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1798	–
1799	–	g.complete(v2);
1800	–	checkCompletedWithWrappedCFException(h);
1801	–	f.complete(v1);
2283		checkCompletedNormally(f, v1);
2284	<	checkCompletedNormally(g, v2);
2284	>	checkCompletedExceptionally(g, ex);
2285		}}
2286
2287		/**
2288		* applyToEither result completes exceptionally if either source cancelled
2289		*/
2290	<	public void testApplyToEither_sourceCancelled1() {
2290	>	public void testApplyToEither_sourceCancelled() {
2291		for (ExecutionMode m : ExecutionMode.values())
2292		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1812	–	for (boolean createIncomplete : new boolean[] { true, false })
1813	–	for (boolean fFirst : new boolean[] { true, false })
2293		for (Integer v1 : new Integer[] { 1, null })
2294		{
2295		final CompletableFuture<Integer> f = new CompletableFuture<>();
2296		final CompletableFuture<Integer> g = new CompletableFuture<>();
2297	<	final IncFunction r = new IncFunction(m);
2297	>	final IncFunction[] rs = new IncFunction[6];
2298	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2299
2300	<	if (!createIncomplete) assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
2301	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2302	<	if (createIncomplete) {
2303	<	checkIncomplete(h);
2304	<	assertEquals(0, r.invocationCount);
2305	<	assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
2300	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2301	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2302	>	checkIncomplete(h0);
2303	>	checkIncomplete(h1);
2304	>	rs[0].assertNotInvoked();
2305	>	rs[1].assertNotInvoked();
2306	>	f.cancel(mayInterruptIfRunning);
2307	>	checkCompletedWithWrappedCancellationException(h0);
2308	>	checkCompletedWithWrappedCancellationException(h1);
2309	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2310	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2311	>	checkCompletedWithWrappedCancellationException(h2);
2312	>	checkCompletedWithWrappedCancellationException(h3);
2313	>	g.complete(v1);
2314	>
2315	>	// unspecified behavior - both source completions available
2316	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2317	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2318	>	try {
2319	>	assertEquals(inc(v1), h4.join());
2320	>	rs[4].assertValue(inc(v1));
2321	>	} catch (CompletionException ok) {
2322	>	checkCompletedWithWrappedCancellationException(h4);
2323	>	rs[4].assertNotInvoked();
2324	>	}
2325	>	try {
2326	>	assertEquals(inc(v1), h5.join());
2327	>	rs[5].assertValue(inc(v1));
2328	>	} catch (CompletionException ok) {
2329	>	checkCompletedWithWrappedCancellationException(h5);
2330	>	rs[5].assertNotInvoked();
2331		}
2332
2333	<	checkCompletedWithWrappedCancellationException(h);
2334	<	(!fFirst ? f : g).complete(v1);
2335	<
2336	<	assertEquals(0, r.invocationCount);
2337	<	checkCompletedNormally(!fFirst ? f : g, v1);
2338	<	checkCancelled(fFirst ? f : g);
2339	<	checkCompletedWithWrappedCancellationException(h);
2333	>	checkCancelled(f);
2334	>	checkCompletedNormally(g, v1);
2335	>	checkCompletedWithWrappedCancellationException(h0);
2336	>	checkCompletedWithWrappedCancellationException(h1);
2337	>	checkCompletedWithWrappedCancellationException(h2);
2338	>	checkCompletedWithWrappedCancellationException(h3);
2339	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2340		}}
2341
2342		public void testApplyToEither_sourceCancelled2() {
2343		for (ExecutionMode m : ExecutionMode.values())
2344		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1840	–	for (boolean reverseArgs : new boolean[] { true, false })
2345		for (boolean fFirst : new boolean[] { true, false })
2346		for (Integer v1 : new Integer[] { 1, null })
2347		{
2348		final CompletableFuture<Integer> f = new CompletableFuture<>();
2349		final CompletableFuture<Integer> g = new CompletableFuture<>();
2350	<	final IncFunction r1 = new IncFunction(m);
2351	<	final IncFunction r2 = new IncFunction(m);
1848	<	final CFException ex = new CFException();
1849	<	final CompletableFuture<Integer> j = (reverseArgs ? g : f);
1850	<	final CompletableFuture<Integer> k = (reverseArgs ? f : g);
2350	>	final IncFunction[] rs = new IncFunction[6];
2351	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2352
2353	<	final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
2354	<	if (fFirst) {
2355	<	f.complete(v1);
2356	<	assertTrue(g.cancel(mayInterruptIfRunning));
2357	<	} else {
2358	<	assertTrue(g.cancel(mayInterruptIfRunning));
1858	<	f.complete(v1);
1859	<	}
1860	<	final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
2353	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2354	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2355	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2356	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2357	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2358	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2359
2360	<	// unspecified behavior
2360	>	// unspecified behavior - both source completions available
2361	>	try {
2362	>	assertEquals(inc(v1), h0.join());
2363	>	rs[0].assertValue(inc(v1));
2364	>	} catch (CompletionException ok) {
2365	>	checkCompletedWithWrappedCancellationException(h0);
2366	>	rs[0].assertNotInvoked();
2367	>	}
2368		try {
2369		assertEquals(inc(v1), h1.join());
2370	<	assertEquals(1, r1.invocationCount);
2370	>	rs[1].assertValue(inc(v1));
2371		} catch (CompletionException ok) {
2372		checkCompletedWithWrappedCancellationException(h1);
2373	<	assertEquals(0, r1.invocationCount);
2373	>	rs[1].assertNotInvoked();
2374		}
1870	–
2375		try {
2376		assertEquals(inc(v1), h2.join());
2377	<	assertEquals(1, r2.invocationCount);
2377	>	rs[2].assertValue(inc(v1));
2378		} catch (CompletionException ok) {
2379		checkCompletedWithWrappedCancellationException(h2);
2380	<	assertEquals(0, r2.invocationCount);
2380	>	rs[2].assertNotInvoked();
2381	>	}
2382	>	try {
2383	>	assertEquals(inc(v1), h3.join());
2384	>	rs[3].assertValue(inc(v1));
2385	>	} catch (CompletionException ok) {
2386	>	checkCompletedWithWrappedCancellationException(h3);
2387	>	rs[3].assertNotInvoked();
2388		}
2389
1879	–	checkCancelled(g);
2390		checkCompletedNormally(f, v1);
2391	+	checkCancelled(g);
2392		}}
2393
2394		/**
2395	<	* acceptEither result completes normally after normal completion
1885	<	* of either source
2395	>	* applyToEither result completes exceptionally if action does
2396		*/
2397	<	public void testAcceptEither_normalCompletion1() {
2397	>	public void testApplyToEither_actionFailed() {
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 IncAction r = new IncAction();
2405	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2404	>	final FailingFunction[] rs = new FailingFunction[6];
2405	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2406
2407	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2408	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2409		f.complete(v1);
2410	<	checkCompletedNormally(h, null);
2411	<	assertEquals(inc(v1), r.value);
2412	<	g.complete(v2);
2413	<
2414	<	checkCompletedNormally(f, v1);
2415	<	checkCompletedNormally(g, v2);
2416	<	checkCompletedNormally(h, null);
1905	<	}}
1906	<
1907	<	public void testAcceptEither_normalCompletion2() {
1908	<	for (ExecutionMode m : ExecutionMode.values())
1909	<	for (Integer v1 : new Integer[] { 1, null })
1910	<	for (Integer v2 : new Integer[] { 2, null })
1911	<	{
1912	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1913	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1914	<	final IncAction r = new IncAction();
1915	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2410	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2411	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2412	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2413	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2414	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2415	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2416	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2417
2418		g.complete(v2);
2419	<	checkCompletedNormally(h, null);
2420	<	assertEquals(inc(v2), r.value);
2421	<	f.complete(v1);
2419	>
2420	>	// unspecified behavior - both source completions available
2421	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2422	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2423	>
2424	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2425	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2426	>	Objects.equals(v2, rs[4].value));
2427	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2428	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2429	>	Objects.equals(v2, rs[5].value));
2430
2431		checkCompletedNormally(f, v1);
2432		checkCompletedNormally(g, v2);
1924	–	checkCompletedNormally(h, null);
2433		}}
2434
2435	<	public void testAcceptEither_normalCompletion3() {
2435	>	/**
2436	>	* acceptEither result completes normally after normal completion
2437	>	* of either source
2438	>	*/
2439	>	public void testAcceptEither_normalCompletion() {
2440		for (ExecutionMode m : ExecutionMode.values())
2441		for (Integer v1 : new Integer[] { 1, null })
2442		for (Integer v2 : new Integer[] { 2, null })
2443		{
2444		final CompletableFuture<Integer> f = new CompletableFuture<>();
2445		final CompletableFuture<Integer> g = new CompletableFuture<>();
2446	<	final IncAction r = new IncAction();
2446	>	final NoopConsumer[] rs = new NoopConsumer[6];
2447	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2448
2449	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2450	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2451	+	checkIncomplete(h0);
2452	+	checkIncomplete(h1);
2453	+	rs[0].assertNotInvoked();
2454	+	rs[1].assertNotInvoked();
2455		f.complete(v1);
2456	+	checkCompletedNormally(h0, null);
2457	+	checkCompletedNormally(h1, null);
2458	+	rs[0].assertValue(v1);
2459	+	rs[1].assertValue(v1);
2460	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2461	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2462	+	checkCompletedNormally(h2, null);
2463	+	checkCompletedNormally(h3, null);
2464	+	rs[2].assertValue(v1);
2465	+	rs[3].assertValue(v1);
2466		g.complete(v2);
1938	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2467
2468	<	checkCompletedNormally(h, null);
2468	>	// unspecified behavior - both source completions available
2469	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2470	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2471	>	checkCompletedNormally(h4, null);
2472	>	checkCompletedNormally(h5, null);
2473	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2474	>	Objects.equals(v2, rs[4].value));
2475	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2476	>	Objects.equals(v2, rs[5].value));
2477	>
2478		checkCompletedNormally(f, v1);
2479		checkCompletedNormally(g, v2);
2480	<
2481	<	// unspecified behavior
2482	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2483	<	Objects.equals(r.value, inc(v2)));
2480	>	checkCompletedNormally(h0, null);
2481	>	checkCompletedNormally(h1, null);
2482	>	checkCompletedNormally(h2, null);
2483	>	checkCompletedNormally(h3, null);
2484	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2485		}}
2486
2487		/**
2488		* acceptEither result completes exceptionally after exceptional
2489		* completion of either source
2490		*/
2491	<	public void testAcceptEither_exceptionalCompletion1() {
2491	>	public void testAcceptEither_exceptionalCompletion() {
2492		for (ExecutionMode m : ExecutionMode.values())
2493		for (Integer v1 : new Integer[] { 1, null })
2494		{
2495		final CompletableFuture<Integer> f = new CompletableFuture<>();
2496		final CompletableFuture<Integer> g = new CompletableFuture<>();
1959	–	final IncAction r = new IncAction();
1960	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2497		final CFException ex = new CFException();
2498	+	final NoopConsumer[] rs = new NoopConsumer[6];
2499	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2500
2501	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2502	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2503	+	checkIncomplete(h0);
2504	+	checkIncomplete(h1);
2505	+	rs[0].assertNotInvoked();
2506	+	rs[1].assertNotInvoked();
2507		f.completeExceptionally(ex);
2508	<	checkCompletedWithWrappedCFException(h, ex);
2508	>	checkCompletedWithWrappedException(h0, ex);
2509	>	checkCompletedWithWrappedException(h1, ex);
2510	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2511	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2512	>	checkCompletedWithWrappedException(h2, ex);
2513	>	checkCompletedWithWrappedException(h3, ex);
2514	>
2515		g.complete(v1);
2516
2517	<	assertEquals(0, r.invocationCount);
2517	>	// unspecified behavior - both source completions available
2518	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2519	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2520	>	try {
2521	>	assertNull(h4.join());
2522	>	rs[4].assertValue(v1);
2523	>	} catch (CompletionException ok) {
2524	>	checkCompletedWithWrappedException(h4, ex);
2525	>	rs[4].assertNotInvoked();
2526	>	}
2527	>	try {
2528	>	assertNull(h5.join());
2529	>	rs[5].assertValue(v1);
2530	>	} catch (CompletionException ok) {
2531	>	checkCompletedWithWrappedException(h5, ex);
2532	>	rs[5].assertNotInvoked();
2533	>	}
2534	>
2535	>	checkCompletedExceptionally(f, ex);
2536		checkCompletedNormally(g, v1);
2537	<	checkCompletedWithWrappedCFException(f, ex);
2538	<	checkCompletedWithWrappedCFException(h, ex);
2537	>	checkCompletedWithWrappedException(h0, ex);
2538	>	checkCompletedWithWrappedException(h1, ex);
2539	>	checkCompletedWithWrappedException(h2, ex);
2540	>	checkCompletedWithWrappedException(h3, ex);
2541	>	checkCompletedWithWrappedException(h4, ex);
2542	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2543		}}
2544
2545		public void testAcceptEither_exceptionalCompletion2() {
2546		for (ExecutionMode m : ExecutionMode.values())
2547	+	for (boolean fFirst : new boolean[] { true, false })
2548		for (Integer v1 : new Integer[] { 1, null })
2549		{
2550		final CompletableFuture<Integer> f = new CompletableFuture<>();
2551		final CompletableFuture<Integer> g = new CompletableFuture<>();
1979	–	final IncAction r = new IncAction();
1980	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
1981	–	final CFException ex = new CFException();
1982	–
1983	–	g.completeExceptionally(ex);
1984	–	checkCompletedWithWrappedCFException(h, ex);
1985	–	f.complete(v1);
1986	–
1987	–	assertEquals(0, r.invocationCount);
1988	–	checkCompletedNormally(f, v1);
1989	–	checkCompletedWithWrappedCFException(g, ex);
1990	–	checkCompletedWithWrappedCFException(h, ex);
1991	–	}}
1992	–
1993	–	public void testAcceptEither_exceptionalCompletion3() {
1994	–	for (ExecutionMode m : ExecutionMode.values())
1995	–	for (Integer v1 : new Integer[] { 1, null })
1996	–	{
1997	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1998	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1999	–	final IncAction r = new IncAction();
2552		final CFException ex = new CFException();
2553	+	final NoopConsumer[] rs = new NoopConsumer[6];
2554	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2555
2556	<	g.completeExceptionally(ex);
2557	<	f.complete(v1);
2558	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2556	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2557	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2558	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2559	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2560	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2561	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2562
2563	<	// unspecified behavior
2007	<	Integer v;
2563	>	// unspecified behavior - both source completions available
2564		try {
2565	<	assertNull(h.join());
2566	<	assertEquals(1, r.invocationCount);
2011	<	assertEquals(inc(v1), r.value);
2565	>	assertEquals(null, h0.join());
2566	>	rs[0].assertValue(v1);
2567		} catch (CompletionException ok) {
2568	<	checkCompletedWithWrappedCFException(h, ex);
2569	<	assertEquals(0, r.invocationCount);
2568	>	checkCompletedWithWrappedException(h0, ex);
2569	>	rs[0].assertNotInvoked();
2570		}
2016	–
2017	–	checkCompletedWithWrappedCFException(g, ex);
2018	–	checkCompletedNormally(f, v1);
2019	–	}}
2020	–
2021	–	public void testAcceptEither_exceptionalCompletion4() {
2022	–	for (ExecutionMode m : ExecutionMode.values())
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 IncAction r = new IncAction();
2028	–	final CFException ex = new CFException();
2029	–
2030	–	f.completeExceptionally(ex);
2031	–	g.complete(v1);
2032	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2033	–
2034	–	// unspecified behavior
2035	–	Integer v;
2571		try {
2572	<	assertNull(h.join());
2573	<	assertEquals(1, r.invocationCount);
2039	<	assertEquals(inc(v1), r.value);
2572	>	assertEquals(null, h1.join());
2573	>	rs[1].assertValue(v1);
2574		} catch (CompletionException ok) {
2575	<	checkCompletedWithWrappedCFException(h, ex);
2576	<	assertEquals(0, r.invocationCount);
2575	>	checkCompletedWithWrappedException(h1, ex);
2576	>	rs[1].assertNotInvoked();
2577	>	}
2578	>	try {
2579	>	assertEquals(null, h2.join());
2580	>	rs[2].assertValue(v1);
2581	>	} catch (CompletionException ok) {
2582	>	checkCompletedWithWrappedException(h2, ex);
2583	>	rs[2].assertNotInvoked();
2584	>	}
2585	>	try {
2586	>	assertEquals(null, h3.join());
2587	>	rs[3].assertValue(v1);
2588	>	} catch (CompletionException ok) {
2589	>	checkCompletedWithWrappedException(h3, ex);
2590	>	rs[3].assertNotInvoked();
2591		}
2592
2045	–	checkCompletedWithWrappedCFException(f, ex);
2046	–	checkCompletedNormally(g, v1);
2047	–	}}
2048	–
2049	–	/**
2050	–	* acceptEither result completes exceptionally if action does
2051	–	*/
2052	–	public void testAcceptEither_actionFailed1() {
2053	–	for (ExecutionMode m : ExecutionMode.values())
2054	–	for (Integer v1 : new Integer[] { 1, null })
2055	–	for (Integer v2 : new Integer[] { 2, null })
2056	–	{
2057	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2058	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2059	–	final FailingConsumer r = new FailingConsumer(m);
2060	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2061	–
2062	–	f.complete(v1);
2063	–	checkCompletedWithWrappedCFException(h);
2064	–	g.complete(v2);
2065	–	checkCompletedNormally(f, v1);
2066	–	checkCompletedNormally(g, v2);
2067	–	}}
2068	–
2069	–	public void testAcceptEither_actionFailed2() {
2070	–	for (ExecutionMode m : ExecutionMode.values())
2071	–	for (Integer v1 : new Integer[] { 1, null })
2072	–	for (Integer v2 : new Integer[] { 2, null })
2073	–	{
2074	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2075	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2076	–	final FailingConsumer r = new FailingConsumer(m);
2077	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2078	–
2079	–	g.complete(v2);
2080	–	checkCompletedWithWrappedCFException(h);
2081	–	f.complete(v1);
2593		checkCompletedNormally(f, v1);
2594	<	checkCompletedNormally(g, v2);
2594	>	checkCompletedExceptionally(g, ex);
2595		}}
2596
2597		/**
2598		* acceptEither result completes exceptionally if either source cancelled
2599		*/
2600	<	public void testAcceptEither_sourceCancelled1() {
2090	<	for (ExecutionMode m : ExecutionMode.values())
2091	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2092	<	for (Integer v1 : new Integer[] { 1, null })
2093	<	{
2094	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2095	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2096	<	final IncAction r = new IncAction();
2097	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2098	<
2099	<	assertTrue(f.cancel(mayInterruptIfRunning));
2100	<	checkCompletedWithWrappedCancellationException(h);
2101	<	g.complete(v1);
2102	<
2103	<	checkCancelled(f);
2104	<	assertEquals(0, r.invocationCount);
2105	<	checkCompletedNormally(g, v1);
2106	<	checkCompletedWithWrappedCancellationException(h);
2107	<	}}
2108	<
2109	<	public void testAcceptEither_sourceCancelled2() {
2600	>	public void testAcceptEither_sourceCancelled() {
2601		for (ExecutionMode m : ExecutionMode.values())
2602		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2603		for (Integer v1 : new Integer[] { 1, null })
2604		{
2605		final CompletableFuture<Integer> f = new CompletableFuture<>();
2606		final CompletableFuture<Integer> g = new CompletableFuture<>();
2607	<	final IncAction r = new IncAction();
2608	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2607	>	final NoopConsumer[] rs = new NoopConsumer[6];
2608	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2609
2610	<	assertTrue(g.cancel(mayInterruptIfRunning));
2611	<	checkCompletedWithWrappedCancellationException(h);
2612	<	f.complete(v1);
2613	<
2614	<	checkCancelled(g);
2615	<	assertEquals(0, r.invocationCount);
2616	<	checkCompletedNormally(f, v1);
2617	<	checkCompletedWithWrappedCancellationException(h);
2618	<	}}
2610	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2611	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2612	>	checkIncomplete(h0);
2613	>	checkIncomplete(h1);
2614	>	rs[0].assertNotInvoked();
2615	>	rs[1].assertNotInvoked();
2616	>	f.cancel(mayInterruptIfRunning);
2617	>	checkCompletedWithWrappedCancellationException(h0);
2618	>	checkCompletedWithWrappedCancellationException(h1);
2619	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2620	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2621	>	checkCompletedWithWrappedCancellationException(h2);
2622	>	checkCompletedWithWrappedCancellationException(h3);
2623
2624	<	public void testAcceptEither_sourceCancelled3() {
2130	<	for (ExecutionMode m : ExecutionMode.values())
2131	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2132	<	for (Integer v1 : new Integer[] { 1, null })
2133	<	{
2134	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2135	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2136	<	final IncAction r = new IncAction();
2137	<
2138	<	assertTrue(g.cancel(mayInterruptIfRunning));
2139	<	f.complete(v1);
2140	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2624	>	g.complete(v1);
2625
2626	<	// unspecified behavior
2627	<	Integer v;
2626	>	// unspecified behavior - both source completions available
2627	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2628	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2629		try {
2630	<	assertNull(h.join());
2631	<	assertEquals(1, r.invocationCount);
2147	<	assertEquals(inc(v1), r.value);
2630	>	assertNull(h4.join());
2631	>	rs[4].assertValue(v1);
2632		} catch (CompletionException ok) {
2633	<	checkCompletedWithWrappedCancellationException(h);
2634	<	assertEquals(0, r.invocationCount);
2633	>	checkCompletedWithWrappedCancellationException(h4);
2634	>	rs[4].assertNotInvoked();
2635		}
2152	–
2153	–	checkCancelled(g);
2154	–	checkCompletedNormally(f, v1);
2155	–	}}
2156	–
2157	–	public void testAcceptEither_sourceCancelled4() {
2158	–	for (ExecutionMode m : ExecutionMode.values())
2159	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2160	–	for (Integer v1 : new Integer[] { 1, null })
2161	–	{
2162	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2163	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2164	–	final IncAction r = new IncAction();
2165	–
2166	–	assertTrue(f.cancel(mayInterruptIfRunning));
2167	–	g.complete(v1);
2168	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2169	–
2170	–	// unspecified behavior
2171	–	Integer v;
2636		try {
2637	<	assertNull(h.join());
2638	<	assertEquals(1, r.invocationCount);
2175	<	assertEquals(inc(v1), r.value);
2637	>	assertNull(h5.join());
2638	>	rs[5].assertValue(v1);
2639		} catch (CompletionException ok) {
2640	<	checkCompletedWithWrappedCancellationException(h);
2641	<	assertEquals(0, r.invocationCount);
2640	>	checkCompletedWithWrappedCancellationException(h5);
2641	>	rs[5].assertNotInvoked();
2642		}
2643
2644		checkCancelled(f);
2645		checkCompletedNormally(g, v1);
2646	+	checkCompletedWithWrappedCancellationException(h0);
2647	+	checkCompletedWithWrappedCancellationException(h1);
2648	+	checkCompletedWithWrappedCancellationException(h2);
2649	+	checkCompletedWithWrappedCancellationException(h3);
2650	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2651		}}
2652
2653		/**
2654	<	* runAfterEither result completes normally after normal completion
2187	<	* of either source
2654	>	* acceptEither result completes exceptionally if action does
2655		*/
2656	<	public void testRunAfterEither_normalCompletion1() {
2656	>	public void testAcceptEither_actionFailed() {
2657		for (ExecutionMode m : ExecutionMode.values())
2658		for (Integer v1 : new Integer[] { 1, null })
2659		for (Integer v2 : new Integer[] { 2, null })
2660		{
2661		final CompletableFuture<Integer> f = new CompletableFuture<>();
2662		final CompletableFuture<Integer> g = new CompletableFuture<>();
2663	<	final Noop r = new Noop(m);
2664	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2663	>	final FailingConsumer[] rs = new FailingConsumer[6];
2664	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2665
2666	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2667	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2668		f.complete(v1);
2669	<	checkCompletedNormally(h, null);
2670	<	assertEquals(1, r.invocationCount);
2669	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2670	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2671	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2672	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2673	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2674	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2675	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2676	>
2677		g.complete(v2);
2678
2679	+	// unspecified behavior - both source completions available
2680	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2681	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2682	+
2683	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2684	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2685	+	Objects.equals(v2, rs[4].value));
2686	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2687	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2688	+	Objects.equals(v2, rs[5].value));
2689	+
2690		checkCompletedNormally(f, v1);
2691		checkCompletedNormally(g, v2);
2206	–	checkCompletedNormally(h, null);
2207	–	assertEquals(1, r.invocationCount);
2692		}}
2693
2694	<	public void testRunAfterEither_normalCompletion2() {
2694	>	/**
2695	>	* runAfterEither result completes normally after normal completion
2696	>	* of either source
2697	>	*/
2698	>	public void testRunAfterEither_normalCompletion() {
2699		for (ExecutionMode m : ExecutionMode.values())
2700		for (Integer v1 : new Integer[] { 1, null })
2701		for (Integer v2 : new Integer[] { 2, null })
2702	+	for (boolean pushNop : new boolean[] { true, false })
2703		{
2704		final CompletableFuture<Integer> f = new CompletableFuture<>();
2705		final CompletableFuture<Integer> g = new CompletableFuture<>();
2706	<	final Noop r = new Noop(m);
2707	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2706	>	final Noop[] rs = new Noop[6];
2707	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2708
2709	<	g.complete(v2);
2710	<	checkCompletedNormally(h, null);
2711	<	assertEquals(1, r.invocationCount);
2709	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2710	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2711	>	checkIncomplete(h0);
2712	>	checkIncomplete(h1);
2713	>	rs[0].assertNotInvoked();
2714	>	rs[1].assertNotInvoked();
2715	>	if (pushNop) {          // ad hoc test of intra-completion interference
2716	>	m.thenRun(f, () -> {});
2717	>	m.thenRun(g, () -> {});
2718	>	}
2719		f.complete(v1);
2720	+	checkCompletedNormally(h0, null);
2721	+	checkCompletedNormally(h1, null);
2722	+	rs[0].assertInvoked();
2723	+	rs[1].assertInvoked();
2724	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2725	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2726	+	checkCompletedNormally(h2, null);
2727	+	checkCompletedNormally(h3, null);
2728	+	rs[2].assertInvoked();
2729	+	rs[3].assertInvoked();
2730
2225	–	checkCompletedNormally(f, v1);
2226	–	checkCompletedNormally(g, v2);
2227	–	checkCompletedNormally(h, null);
2228	–	assertEquals(1, r.invocationCount);
2229	–	}}
2230	–
2231	–	public void testRunAfterEither_normalCompletion3() {
2232	–	for (ExecutionMode m : ExecutionMode.values())
2233	–	for (Integer v1 : new Integer[] { 1, null })
2234	–	for (Integer v2 : new Integer[] { 2, null })
2235	–	{
2236	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2237	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2238	–	final Noop r = new Noop(m);
2239	–
2240	–	f.complete(v1);
2731		g.complete(v2);
2242	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2732
2733	<	checkCompletedNormally(h, null);
2733	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2734	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2735	>
2736		checkCompletedNormally(f, v1);
2737		checkCompletedNormally(g, v2);
2738	<	assertEquals(1, r.invocationCount);
2738	>	checkCompletedNormally(h0, null);
2739	>	checkCompletedNormally(h1, null);
2740	>	checkCompletedNormally(h2, null);
2741	>	checkCompletedNormally(h3, null);
2742	>	checkCompletedNormally(h4, null);
2743	>	checkCompletedNormally(h5, null);
2744	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2745		}}
2746
2747		/**
2748		* runAfterEither result completes exceptionally after exceptional
2749		* completion of either source
2750		*/
2751	<	public void testRunAfterEither_exceptionalCompletion1() {
2751	>	public void testRunAfterEither_exceptionalCompletion() {
2752		for (ExecutionMode m : ExecutionMode.values())
2753		for (Integer v1 : new Integer[] { 1, null })
2754		{
2755		final CompletableFuture<Integer> f = new CompletableFuture<>();
2756		final CompletableFuture<Integer> g = new CompletableFuture<>();
2260	–	final Noop r = new Noop(m);
2261	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2757		final CFException ex = new CFException();
2758	+	final Noop[] rs = new Noop[6];
2759	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2760
2761	<	f.completeExceptionally(ex);
2762	<	checkCompletedWithWrappedCFException(h, ex);
2763	<	g.complete(v1);
2761	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2762	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2763	>	checkIncomplete(h0);
2764	>	checkIncomplete(h1);
2765	>	rs[0].assertNotInvoked();
2766	>	rs[1].assertNotInvoked();
2767	>	assertTrue(f.completeExceptionally(ex));
2768	>	checkCompletedWithWrappedException(h0, ex);
2769	>	checkCompletedWithWrappedException(h1, ex);
2770	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2771	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2772	>	checkCompletedWithWrappedException(h2, ex);
2773	>	checkCompletedWithWrappedException(h3, ex);
2774	>
2775	>	assertTrue(g.complete(v1));
2776	>
2777	>	// unspecified behavior - both source completions available
2778	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2779	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2780	>	try {
2781	>	assertNull(h4.join());
2782	>	rs[4].assertInvoked();
2783	>	} catch (CompletionException ok) {
2784	>	checkCompletedWithWrappedException(h4, ex);
2785	>	rs[4].assertNotInvoked();
2786	>	}
2787	>	try {
2788	>	assertNull(h5.join());
2789	>	rs[5].assertInvoked();
2790	>	} catch (CompletionException ok) {
2791	>	checkCompletedWithWrappedException(h5, ex);
2792	>	rs[5].assertNotInvoked();
2793	>	}
2794
2795	<	assertEquals(0, r.invocationCount);
2795	>	checkCompletedExceptionally(f, ex);
2796		checkCompletedNormally(g, v1);
2797	<	checkCompletedWithWrappedCFException(f, ex);
2798	<	checkCompletedWithWrappedCFException(h, ex);
2797	>	checkCompletedWithWrappedException(h0, ex);
2798	>	checkCompletedWithWrappedException(h1, ex);
2799	>	checkCompletedWithWrappedException(h2, ex);
2800	>	checkCompletedWithWrappedException(h3, ex);
2801	>	checkCompletedWithWrappedException(h4, ex);
2802	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2803		}}
2804
2805		public void testRunAfterEither_exceptionalCompletion2() {
2806		for (ExecutionMode m : ExecutionMode.values())
2807	+	for (boolean fFirst : new boolean[] { true, false })
2808		for (Integer v1 : new Integer[] { 1, null })
2809		{
2810		final CompletableFuture<Integer> f = new CompletableFuture<>();
2811		final CompletableFuture<Integer> g = new CompletableFuture<>();
2280	–	final Noop r = new Noop(m);
2281	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2282	–	final CFException ex = new CFException();
2283	–
2284	–	g.completeExceptionally(ex);
2285	–	checkCompletedWithWrappedCFException(h, ex);
2286	–	f.complete(v1);
2287	–
2288	–	assertEquals(0, r.invocationCount);
2289	–	checkCompletedNormally(f, v1);
2290	–	checkCompletedWithWrappedCFException(g, ex);
2291	–	checkCompletedWithWrappedCFException(h, ex);
2292	–	}}
2293	–
2294	–	public void testRunAfterEither_exceptionalCompletion3() {
2295	–	for (ExecutionMode m : ExecutionMode.values())
2296	–	for (Integer v1 : new Integer[] { 1, null })
2297	–	{
2298	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2299	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2300	–	final Noop r = new Noop(m);
2812		final CFException ex = new CFException();
2813	+	final Noop[] rs = new Noop[6];
2814	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2815
2816	<	g.completeExceptionally(ex);
2817	<	f.complete(v1);
2818	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2816	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2817	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2818	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2819	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2820	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2821	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2822
2823	<	// unspecified behavior
2308	<	Integer v;
2823	>	// unspecified behavior - both source completions available
2824		try {
2825	<	assertNull(h.join());
2826	<	assertEquals(1, r.invocationCount);
2825	>	assertEquals(null, h0.join());
2826	>	rs[0].assertInvoked();
2827		} catch (CompletionException ok) {
2828	<	checkCompletedWithWrappedCFException(h, ex);
2829	<	assertEquals(0, r.invocationCount);
2828	>	checkCompletedWithWrappedException(h0, ex);
2829	>	rs[0].assertNotInvoked();
2830		}
2316	–
2317	–	checkCompletedWithWrappedCFException(g, ex);
2318	–	checkCompletedNormally(f, v1);
2319	–	}}
2320	–
2321	–	public void testRunAfterEither_exceptionalCompletion4() {
2322	–	for (ExecutionMode m : ExecutionMode.values())
2323	–	for (Integer v1 : new Integer[] { 1, null })
2324	–	{
2325	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2326	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2327	–	final Noop r = new Noop(m);
2328	–	final CFException ex = new CFException();
2329	–
2330	–	f.completeExceptionally(ex);
2331	–	g.complete(v1);
2332	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2333	–
2334	–	// unspecified behavior
2335	–	Integer v;
2831		try {
2832	<	assertNull(h.join());
2833	<	assertEquals(1, r.invocationCount);
2832	>	assertEquals(null, h1.join());
2833	>	rs[1].assertInvoked();
2834		} catch (CompletionException ok) {
2835	<	checkCompletedWithWrappedCFException(h, ex);
2836	<	assertEquals(0, r.invocationCount);
2835	>	checkCompletedWithWrappedException(h1, ex);
2836	>	rs[1].assertNotInvoked();
2837	>	}
2838	>	try {
2839	>	assertEquals(null, h2.join());
2840	>	rs[2].assertInvoked();
2841	>	} catch (CompletionException ok) {
2842	>	checkCompletedWithWrappedException(h2, ex);
2843	>	rs[2].assertNotInvoked();
2844	>	}
2845	>	try {
2846	>	assertEquals(null, h3.join());
2847	>	rs[3].assertInvoked();
2848	>	} catch (CompletionException ok) {
2849	>	checkCompletedWithWrappedException(h3, ex);
2850	>	rs[3].assertNotInvoked();
2851		}
2852
2344	–	checkCompletedWithWrappedCFException(f, ex);
2345	–	checkCompletedNormally(g, v1);
2346	–	}}
2347	–
2348	–	/**
2349	–	* runAfterEither result completes exceptionally if action does
2350	–	*/
2351	–	public void testRunAfterEither_actionFailed1() {
2352	–	for (ExecutionMode m : ExecutionMode.values())
2353	–	for (Integer v1 : new Integer[] { 1, null })
2354	–	for (Integer v2 : new Integer[] { 2, null })
2355	–	{
2356	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2357	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2358	–	final FailingRunnable r = new FailingRunnable(m);
2359	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2360	–
2361	–	f.complete(v1);
2362	–	checkCompletedWithWrappedCFException(h);
2363	–	g.complete(v2);
2364	–	checkCompletedNormally(f, v1);
2365	–	checkCompletedNormally(g, v2);
2366	–	}}
2367	–
2368	–	public void testRunAfterEither_actionFailed2() {
2369	–	for (ExecutionMode m : ExecutionMode.values())
2370	–	for (Integer v1 : new Integer[] { 1, null })
2371	–	for (Integer v2 : new Integer[] { 2, null })
2372	–	{
2373	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2374	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2375	–	final FailingRunnable r = new FailingRunnable(m);
2376	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2377	–
2378	–	g.complete(v2);
2379	–	checkCompletedWithWrappedCFException(h);
2380	–	f.complete(v1);
2853		checkCompletedNormally(f, v1);
2854	<	checkCompletedNormally(g, v2);
2854	>	checkCompletedExceptionally(g, ex);
2855		}}
2856
2857		/**
2858		* runAfterEither result completes exceptionally if either source cancelled
2859		*/
2860	<	public void testRunAfterEither_sourceCancelled1() {
2389	<	for (ExecutionMode m : ExecutionMode.values())
2390	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2391	<	for (Integer v1 : new Integer[] { 1, null })
2392	<	{
2393	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2394	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2395	<	final Noop r = new Noop(m);
2396	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2397	<
2398	<	assertTrue(f.cancel(mayInterruptIfRunning));
2399	<	checkCompletedWithWrappedCancellationException(h);
2400	<	g.complete(v1);
2401	<
2402	<	checkCancelled(f);
2403	<	assertEquals(0, r.invocationCount);
2404	<	checkCompletedNormally(g, v1);
2405	<	checkCompletedWithWrappedCancellationException(h);
2406	<	}}
2407	<
2408	<	public void testRunAfterEither_sourceCancelled2() {
2860	>	public void testRunAfterEither_sourceCancelled() {
2861		for (ExecutionMode m : ExecutionMode.values())
2862		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2863		for (Integer v1 : new Integer[] { 1, null })
2864		{
2865		final CompletableFuture<Integer> f = new CompletableFuture<>();
2866		final CompletableFuture<Integer> g = new CompletableFuture<>();
2867	<	final Noop r = new Noop(m);
2868	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2867	>	final Noop[] rs = new Noop[6];
2868	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2869
2870	<	assertTrue(g.cancel(mayInterruptIfRunning));
2871	<	checkCompletedWithWrappedCancellationException(h);
2872	<	f.complete(v1);
2873	<
2874	<	checkCancelled(g);
2875	<	assertEquals(0, r.invocationCount);
2876	<	checkCompletedNormally(f, v1);
2877	<	checkCompletedWithWrappedCancellationException(h);
2878	<	}}
2879	<
2880	<	public void testRunAfterEither_sourceCancelled3() {
2881	<	for (ExecutionMode m : ExecutionMode.values())
2882	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2883	<	for (Integer v1 : new Integer[] { 1, null })
2884	<	{
2885	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2886	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2887	<	final Noop r = new Noop(m);
2888	<
2437	<	assertTrue(g.cancel(mayInterruptIfRunning));
2438	<	f.complete(v1);
2439	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2440	<
2441	<	// unspecified behavior
2442	<	Integer v;
2870	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2871	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2872	>	checkIncomplete(h0);
2873	>	checkIncomplete(h1);
2874	>	rs[0].assertNotInvoked();
2875	>	rs[1].assertNotInvoked();
2876	>	f.cancel(mayInterruptIfRunning);
2877	>	checkCompletedWithWrappedCancellationException(h0);
2878	>	checkCompletedWithWrappedCancellationException(h1);
2879	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2880	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2881	>	checkCompletedWithWrappedCancellationException(h2);
2882	>	checkCompletedWithWrappedCancellationException(h3);
2883	>
2884	>	assertTrue(g.complete(v1));
2885	>
2886	>	// unspecified behavior - both source completions available
2887	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2888	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2889		try {
2890	<	assertNull(h.join());
2891	<	assertEquals(1, r.invocationCount);
2890	>	assertNull(h4.join());
2891	>	rs[4].assertInvoked();
2892		} catch (CompletionException ok) {
2893	<	checkCompletedWithWrappedCancellationException(h);
2894	<	assertEquals(0, r.invocationCount);
2893	>	checkCompletedWithWrappedCancellationException(h4);
2894	>	rs[4].assertNotInvoked();
2895	>	}
2896	>	try {
2897	>	assertNull(h5.join());
2898	>	rs[5].assertInvoked();
2899	>	} catch (CompletionException ok) {
2900	>	checkCompletedWithWrappedCancellationException(h5);
2901	>	rs[5].assertNotInvoked();
2902		}
2903
2904	<	checkCancelled(g);
2905	<	checkCompletedNormally(f, v1);
2904	>	checkCancelled(f);
2905	>	checkCompletedNormally(g, v1);
2906	>	checkCompletedWithWrappedCancellationException(h0);
2907	>	checkCompletedWithWrappedCancellationException(h1);
2908	>	checkCompletedWithWrappedCancellationException(h2);
2909	>	checkCompletedWithWrappedCancellationException(h3);
2910	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2911		}}
2912
2913	<	public void testRunAfterEither_sourceCancelled4() {
2913	>	/**
2914	>	* runAfterEither result completes exceptionally if action does
2915	>	*/
2916	>	public void testRunAfterEither_actionFailed() {
2917		for (ExecutionMode m : ExecutionMode.values())
2457	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2918		for (Integer v1 : new Integer[] { 1, null })
2919	+	for (Integer v2 : new Integer[] { 2, null })
2920		{
2921		final CompletableFuture<Integer> f = new CompletableFuture<>();
2922		final CompletableFuture<Integer> g = new CompletableFuture<>();
2923	<	final Noop r = new Noop(m);
2923	>	final FailingRunnable[] rs = new FailingRunnable[6];
2924	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2925
2926	<	assertTrue(f.cancel(mayInterruptIfRunning));
2927	<	g.complete(v1);
2928	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2929	<
2930	<	// unspecified behavior
2931	<	Integer v;
2932	<	try {
2933	<	assertNull(h.join());
2934	<	assertEquals(1, r.invocationCount);
2935	<	} catch (CompletionException ok) {
2936	<	checkCompletedWithWrappedCancellationException(h);
2937	<	assertEquals(0, r.invocationCount);
2938	<	}
2926	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2927	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2928	>	assertTrue(f.complete(v1));
2929	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2930	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2931	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2932	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2933	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2934	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2935	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2936	>	assertTrue(g.complete(v2));
2937	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2938	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2939	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2940	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2941
2942	<	checkCancelled(f);
2943	<	checkCompletedNormally(g, v1);
2942	>	checkCompletedNormally(f, v1);
2943	>	checkCompletedNormally(g, v2);
2944	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2945		}}
2946
2947		/**
#	Line 2489 | Line 2954 | public class CompletableFutureTest exten
2954		{
2955		final CompletableFuture<Integer> f = new CompletableFuture<>();
2956		final CompletableFutureInc r = new CompletableFutureInc(m);
2957	<	if (!createIncomplete) f.complete(v1);
2957	>	if (!createIncomplete) assertTrue(f.complete(v1));
2958		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2959	<	if (createIncomplete) f.complete(v1);
2959	>	if (createIncomplete) assertTrue(f.complete(v1));
2960
2961		checkCompletedNormally(g, inc(v1));
2962		checkCompletedNormally(f, v1);
2963	<	assertEquals(1, r.invocationCount);
2963	>	r.assertValue(v1);
2964		}}
2965
2966		/**
#	Line 2513 | Line 2978 | public class CompletableFutureTest exten
2978		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2979		if (createIncomplete) f.completeExceptionally(ex);
2980
2981	<	checkCompletedWithWrappedCFException(g, ex);
2982	<	checkCompletedWithWrappedCFException(f, ex);
2983	<	assertEquals(0, r.invocationCount);
2981	>	checkCompletedWithWrappedException(g, ex);
2982	>	checkCompletedExceptionally(f, ex);
2983	>	r.assertNotInvoked();
2984		}}
2985
2986		/**
#	Line 2529 | Line 2994 | public class CompletableFutureTest exten
2994		final CompletableFuture<Integer> f = new CompletableFuture<>();
2995		final FailingCompletableFutureFunction r
2996		= new FailingCompletableFutureFunction(m);
2997	<	if (!createIncomplete) f.complete(v1);
2997	>	if (!createIncomplete) assertTrue(f.complete(v1));
2998		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2999	<	if (createIncomplete) f.complete(v1);
2999	>	if (createIncomplete) assertTrue(f.complete(v1));
3000
3001	<	checkCompletedWithWrappedCFException(g);
3001	>	checkCompletedWithWrappedException(g, r.ex);
3002		checkCompletedNormally(f, v1);
3003		}}
3004
#	Line 2558 | Line 3023 | public class CompletableFutureTest exten
3023		checkCancelled(f);
3024		}}
3025
3026	+	/**
3027	+	* thenCompose result completes exceptionally if the result of the action does
3028	+	*/
3029	+	public void testThenCompose_actionReturnsFailingFuture() {
3030	+	for (ExecutionMode m : ExecutionMode.values())
3031	+	for (int order = 0; order < 6; order++)
3032	+	for (Integer v1 : new Integer[] { 1, null })
3033	+	{
3034	+	final CFException ex = new CFException();
3035	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3036	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
3037	+	final CompletableFuture<Integer> h;
3038	+	// Test all permutations of orders
3039	+	switch (order) {
3040	+	case 0:
3041	+	assertTrue(f.complete(v1));
3042	+	assertTrue(g.completeExceptionally(ex));
3043	+	h = m.thenCompose(f, (x -> g));
3044	+	break;
3045	+	case 1:
3046	+	assertTrue(f.complete(v1));
3047	+	h = m.thenCompose(f, (x -> g));
3048	+	assertTrue(g.completeExceptionally(ex));
3049	+	break;
3050	+	case 2:
3051	+	assertTrue(g.completeExceptionally(ex));
3052	+	assertTrue(f.complete(v1));
3053	+	h = m.thenCompose(f, (x -> g));
3054	+	break;
3055	+	case 3:
3056	+	assertTrue(g.completeExceptionally(ex));
3057	+	h = m.thenCompose(f, (x -> g));
3058	+	assertTrue(f.complete(v1));
3059	+	break;
3060	+	case 4:
3061	+	h = m.thenCompose(f, (x -> g));
3062	+	assertTrue(f.complete(v1));
3063	+	assertTrue(g.completeExceptionally(ex));
3064	+	break;
3065	+	case 5:
3066	+	h = m.thenCompose(f, (x -> g));
3067	+	assertTrue(f.complete(v1));
3068	+	assertTrue(g.completeExceptionally(ex));
3069	+	break;
3070	+	default: throw new AssertionError();
3071	+	}
3072	+
3073	+	checkCompletedExceptionally(g, ex);
3074	+	checkCompletedWithWrappedException(h, ex);
3075	+	checkCompletedNormally(f, v1);
3076	+	}}
3077	+
3078		// other static methods
3079
3080		/**
#	Line 2574 | Line 3091 | public class CompletableFutureTest exten
3091		* when all components complete normally
3092		*/
3093		public void testAllOf_normal() throws Exception {
3094	<	for (int k = 1; k < 20; ++k) {
3095	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3096	<	for (int i = 0; i < k; ++i)
3094	>	for (int k = 1; k < 10; k++) {
3095	>	CompletableFuture<Integer>[] fs
3096	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3097	>	for (int i = 0; i < k; i++)
3098		fs[i] = new CompletableFuture<>();
3099		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3100	<	for (int i = 0; i < k; ++i) {
3100	>	for (int i = 0; i < k; i++) {
3101		checkIncomplete(f);
3102		checkIncomplete(CompletableFuture.allOf(fs));
3103		fs[i].complete(one);
#	Line 2589 | Line 3107 | public class CompletableFutureTest exten
3107		}
3108		}
3109
3110	+	public void testAllOf_normal_backwards() throws Exception {
3111	+	for (int k = 1; k < 10; k++) {
3112	+	CompletableFuture<Integer>[] fs
3113	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3114	+	for (int i = 0; i < k; i++)
3115	+	fs[i] = new CompletableFuture<>();
3116	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3117	+	for (int i = k - 1; i >= 0; i--) {
3118	+	checkIncomplete(f);
3119	+	checkIncomplete(CompletableFuture.allOf(fs));
3120	+	fs[i].complete(one);
3121	+	}
3122	+	checkCompletedNormally(f, null);
3123	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3124	+	}
3125	+	}
3126	+
3127	+	public void testAllOf_exceptional() throws Exception {
3128	+	for (int k = 1; k < 10; k++) {
3129	+	CompletableFuture<Integer>[] fs
3130	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3131	+	CFException ex = new CFException();
3132	+	for (int i = 0; i < k; i++)
3133	+	fs[i] = new CompletableFuture<>();
3134	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3135	+	for (int i = 0; i < k; i++) {
3136	+	checkIncomplete(f);
3137	+	checkIncomplete(CompletableFuture.allOf(fs));
3138	+	if (i != k / 2) {
3139	+	fs[i].complete(i);
3140	+	checkCompletedNormally(fs[i], i);
3141	+	} else {
3142	+	fs[i].completeExceptionally(ex);
3143	+	checkCompletedExceptionally(fs[i], ex);
3144	+	}
3145	+	}
3146	+	checkCompletedWithWrappedException(f, ex);
3147	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3148	+	}
3149	+	}
3150	+
3151		/**
3152		* anyOf(no component futures) returns an incomplete future
3153		*/
3154		public void testAnyOf_empty() throws Exception {
3155	+	for (Integer v1 : new Integer[] { 1, null })
3156	+	{
3157		CompletableFuture<Object> f = CompletableFuture.anyOf();
3158		checkIncomplete(f);
3159	<	}
3159	>
3160	>	f.complete(v1);
3161	>	checkCompletedNormally(f, v1);
3162	>	}}
3163
3164		/**
3165		* anyOf returns a future completed normally with a value when
3166		* a component future does
3167		*/
3168		public void testAnyOf_normal() throws Exception {
3169	<	for (int k = 0; k < 10; ++k) {
3169	>	for (int k = 0; k < 10; k++) {
3170		CompletableFuture[] fs = new CompletableFuture[k];
3171	<	for (int i = 0; i < k; ++i)
3171	>	for (int i = 0; i < k; i++)
3172		fs[i] = new CompletableFuture<>();
3173		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3174		checkIncomplete(f);
3175	<	for (int i = 0; i < k; ++i) {
3176	<	fs[i].complete(one);
3177	<	checkCompletedNormally(f, one);
3178	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3175	>	for (int i = 0; i < k; i++) {
3176	>	fs[i].complete(i);
3177	>	checkCompletedNormally(f, 0);
3178	>	int x = (int) CompletableFuture.anyOf(fs).join();
3179	>	assertTrue(0 <= x && x <= i);
3180	>	}
3181	>	}
3182	>	}
3183	>	public void testAnyOf_normal_backwards() throws Exception {
3184	>	for (int k = 0; k < 10; k++) {
3185	>	CompletableFuture[] fs = new CompletableFuture[k];
3186	>	for (int i = 0; i < k; i++)
3187	>	fs[i] = new CompletableFuture<>();
3188	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3189	>	checkIncomplete(f);
3190	>	for (int i = k - 1; i >= 0; i--) {
3191	>	fs[i].complete(i);
3192	>	checkCompletedNormally(f, k - 1);
3193	>	int x = (int) CompletableFuture.anyOf(fs).join();
3194	>	assertTrue(i <= x && x <= k - 1);
3195		}
3196		}
3197		}
#	Line 2620 | Line 3200 | public class CompletableFutureTest exten
3200		* anyOf result completes exceptionally when any component does.
3201		*/
3202		public void testAnyOf_exceptional() throws Exception {
3203	<	for (int k = 0; k < 10; ++k) {
3203	>	for (int k = 0; k < 10; k++) {
3204		CompletableFuture[] fs = new CompletableFuture[k];
3205	<	for (int i = 0; i < k; ++i)
3205	>	CFException[] exs = new CFException[k];
3206	>	for (int i = 0; i < k; i++) {
3207		fs[i] = new CompletableFuture<>();
3208	+	exs[i] = new CFException();
3209	+	}
3210		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3211		checkIncomplete(f);
3212	<	for (int i = 0; i < k; ++i) {
3213	<	fs[i].completeExceptionally(new CFException());
3214	<	checkCompletedWithWrappedCFException(f);
3212	>	for (int i = 0; i < k; i++) {
3213	>	fs[i].completeExceptionally(exs[i]);
3214	>	checkCompletedWithWrappedException(f, exs[0]);
3215	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3216	>	}
3217	>	}
3218	>	}
3219	>
3220	>	public void testAnyOf_exceptional_backwards() throws Exception {
3221	>	for (int k = 0; k < 10; k++) {
3222	>	CompletableFuture[] fs = new CompletableFuture[k];
3223	>	CFException[] exs = new CFException[k];
3224	>	for (int i = 0; i < k; i++) {
3225	>	fs[i] = new CompletableFuture<>();
3226	>	exs[i] = new CFException();
3227	>	}
3228	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3229	>	checkIncomplete(f);
3230	>	for (int i = k - 1; i >= 0; i--) {
3231	>	fs[i].completeExceptionally(exs[i]);
3232	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3233		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3234		}
3235		}
#	Line 2641 | Line 3242 | public class CompletableFutureTest exten
3242		CompletableFuture<Integer> f = new CompletableFuture<>();
3243		CompletableFuture<Integer> g = new CompletableFuture<>();
3244		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2644	–	CompletableFuture<?> h;
3245		ThreadExecutor exec = new ThreadExecutor();
3246
3247		Runnable[] throwingActions = {
3248		() -> CompletableFuture.supplyAsync(null),
3249		() -> CompletableFuture.supplyAsync(null, exec),
3250	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3250	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3251
3252		() -> CompletableFuture.runAsync(null),
3253		() -> CompletableFuture.runAsync(null, exec),
#	Line 2738 | Line 3338 | public class CompletableFutureTest exten
3338		() -> CompletableFuture.anyOf(null, f),
3339
3340		() -> f.obtrudeException(null),
3341	+
3342	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3343	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3344	+	() -> CompletableFuture.delayedExecutor(1L, null),
3345	+
3346	+	() -> f.orTimeout(1L, null),
3347	+	() -> f.completeOnTimeout(42, 1L, null),
3348	+
3349	+	() -> CompletableFuture.failedFuture(null),
3350	+	() -> CompletableFuture.failedStage(null),
3351		};
3352
3353		assertThrows(NullPointerException.class, throwingActions);
#	Line 2745 | Line 3355 | public class CompletableFutureTest exten
3355		}
3356
3357		/**
3358	+	* Test submissions to an executor that rejects all tasks.
3359	+	*/
3360	+	public void testRejectingExecutor() {
3361	+	for (Integer v : new Integer[] { 1, null })
3362	+	{
3363	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3364	+
3365	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3366	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3367	+
3368	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3369	+
3370	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3371	+	srcs.add(complete);
3372	+	srcs.add(incomplete);
3373	+
3374	+	for (CompletableFuture<Integer> src : srcs) {
3375	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3376	+	fs.add(src.thenRunAsync(() -> {}, e));
3377	+	fs.add(src.thenAcceptAsync((z) -> {}, e));
3378	+	fs.add(src.thenApplyAsync((z) -> z, e));
3379	+
3380	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3381	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3382	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3383	+
3384	+	fs.add(src.applyToEitherAsync(src, (z) -> z, e));
3385	+	fs.add(src.acceptEitherAsync(src, (z) -> {}, e));
3386	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3387	+
3388	+	fs.add(src.thenComposeAsync((z) -> null, e));
3389	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3390	+	fs.add(src.handleAsync((z, t) -> null, e));
3391	+
3392	+	for (CompletableFuture<?> future : fs) {
3393	+	if (src.isDone())
3394	+	checkCompletedWithWrappedException(future, e.ex);
3395	+	else
3396	+	checkIncomplete(future);
3397	+	}
3398	+	futures.addAll(fs);
3399	+	}
3400	+
3401	+	{
3402	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3403	+
3404	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3405	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3406	+
3407	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3408	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3409	+
3410	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3411	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3412	+
3413	+	for (CompletableFuture<?> future : fs)
3414	+	checkIncomplete(future);
3415	+	futures.addAll(fs);
3416	+	}
3417	+
3418	+	{
3419	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3420	+
3421	+	fs.add(complete.applyToEitherAsync(incomplete, (z) -> z, e));
3422	+	fs.add(incomplete.applyToEitherAsync(complete, (z) -> z, e));
3423	+
3424	+	fs.add(complete.acceptEitherAsync(incomplete, (z) -> {}, e));
3425	+	fs.add(incomplete.acceptEitherAsync(complete, (z) -> {}, e));
3426	+
3427	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3428	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3429	+
3430	+	for (CompletableFuture<?> future : fs)
3431	+	checkCompletedWithWrappedException(future, e.ex);
3432	+	futures.addAll(fs);
3433	+	}
3434	+
3435	+	incomplete.complete(v);
3436	+
3437	+	for (CompletableFuture<?> future : futures)
3438	+	checkCompletedWithWrappedException(future, e.ex);
3439	+
3440	+	assertEquals(futures.size(), e.count.get());
3441	+	}}
3442	+
3443	+	/**
3444	+	* Test submissions to an executor that rejects all tasks, but
3445	+	* should never be invoked because the dependent future is
3446	+	* explicitly completed.
3447	+	*/
3448	+	public void testRejectingExecutorNeverInvoked() {
3449	+	for (Integer v : new Integer[] { 1, null })
3450	+	{
3451	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3452	+
3453	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3454	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3455	+
3456	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3457	+
3458	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3459	+	srcs.add(complete);
3460	+	srcs.add(incomplete);
3461	+
3462	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3463	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3464	+	fs.add(incomplete.thenAcceptAsync((z) -> {}, e));
3465	+	fs.add(incomplete.thenApplyAsync((z) -> z, e));
3466	+
3467	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3468	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3469	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3470	+
3471	+	fs.add(incomplete.applyToEitherAsync(incomplete, (z) -> z, e));
3472	+	fs.add(incomplete.acceptEitherAsync(incomplete, (z) -> {}, e));
3473	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3474	+
3475	+	fs.add(incomplete.thenComposeAsync((z) -> null, e));
3476	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3477	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3478	+
3479	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3480	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3481	+
3482	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3483	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3484	+
3485	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3486	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3487	+
3488	+	for (CompletableFuture<?> future : fs)
3489	+	checkIncomplete(future);
3490	+
3491	+	for (CompletableFuture<?> future : fs)
3492	+	future.complete(null);
3493	+
3494	+	incomplete.complete(v);
3495	+
3496	+	for (CompletableFuture<?> future : fs)
3497	+	checkCompletedNormally(future, null);
3498	+
3499	+	assertEquals(0, e.count.get());
3500	+	}}
3501	+
3502	+	/**
3503		* toCompletableFuture returns this CompletableFuture.
3504		*/
3505		public void testToCompletableFuture() {
#	Line 2752 | Line 3507 | public class CompletableFutureTest exten
3507		assertSame(f, f.toCompletableFuture());
3508		}
3509
3510	+	// jdk9
3511	+
3512		/**
3513	<	* whenComplete action executes on normal completion, propagating
2757	<	* source result.
3513	>	* newIncompleteFuture returns an incomplete CompletableFuture
3514		*/
3515	<	public void testWhenComplete_normalCompletion1() {
2760	<	for (ExecutionMode m : ExecutionMode.values())
2761	<	for (boolean createIncomplete : new boolean[] { true, false })
3515	>	public void testNewIncompleteFuture() {
3516		for (Integer v1 : new Integer[] { 1, null })
3517		{
3518	<	final AtomicInteger a = new AtomicInteger(0);
3519	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3520	<	if (!createIncomplete) f.complete(v1);
3521	<	final CompletableFuture<Integer> g = m.whenComplete
3522	<	(f,
2769	<	(Integer x, Throwable t) -> {
2770	<	threadAssertSame(x, v1);
2771	<	threadAssertNull(t);
2772	<	a.getAndIncrement();
2773	<	});
2774	<	if (createIncomplete) f.complete(v1);
2775	<
2776	<	checkCompletedNormally(g, v1);
3518	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3519	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3520	>	checkIncomplete(f);
3521	>	checkIncomplete(g);
3522	>	f.complete(v1);
3523		checkCompletedNormally(f, v1);
3524	<	assertEquals(1, a.get());
3524	>	checkIncomplete(g);
3525	>	g.complete(v1);
3526	>	checkCompletedNormally(g, v1);
3527	>	assertSame(g.getClass(), CompletableFuture.class);
3528		}}
3529
3530		/**
3531	<	* whenComplete action executes on exceptional completion, propagating
2783	<	* source result.
3531	>	* completedStage returns a completed CompletionStage
3532		*/
3533	<	public void testWhenComplete_exceptionalCompletion() {
3534	<	for (ExecutionMode m : ExecutionMode.values())
3533	>	public void testCompletedStage() {
3534	>	AtomicInteger x = new AtomicInteger(0);
3535	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3536	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3537	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3538	>	assertEquals(x.get(), 1);
3539	>	assertNull(r.get());
3540	>	}
3541	>
3542	>	/**
3543	>	* defaultExecutor by default returns the commonPool if
3544	>	* it supports more than one thread.
3545	>	*/
3546	>	public void testDefaultExecutor() {
3547	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3548	>	Executor e = f.defaultExecutor();
3549	>	Executor c = ForkJoinPool.commonPool();
3550	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3551	>	assertSame(e, c);
3552	>	else
3553	>	assertNotSame(e, c);
3554	>	}
3555	>
3556	>	/**
3557	>	* failedFuture returns a CompletableFuture completed
3558	>	* exceptionally with the given Exception
3559	>	*/
3560	>	public void testFailedFuture() {
3561	>	CFException ex = new CFException();
3562	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3563	>	checkCompletedExceptionally(f, ex);
3564	>	}
3565	>
3566	>	/**
3567	>	* failedFuture(null) throws NPE
3568	>	*/
3569	>	public void testFailedFuture_null() {
3570	>	try {
3571	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3572	>	shouldThrow();
3573	>	} catch (NullPointerException success) {}
3574	>	}
3575	>
3576	>	/**
3577	>	* copy returns a CompletableFuture that is completed normally,
3578	>	* with the same value, when source is.
3579	>	*/
3580	>	public void testCopy_normalCompletion() {
3581		for (boolean createIncomplete : new boolean[] { true, false })
3582		for (Integer v1 : new Integer[] { 1, null })
3583		{
3584	<	final AtomicInteger a = new AtomicInteger(0);
3585	<	final CFException ex = new CFException();
3586	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3584	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3585	>	if (!createIncomplete) assertTrue(f.complete(v1));
3586	>	CompletableFuture<Integer> g = f.copy();
3587	>	if (createIncomplete) {
3588	>	checkIncomplete(f);
3589	>	checkIncomplete(g);
3590	>	assertTrue(f.complete(v1));
3591	>	}
3592	>	checkCompletedNormally(f, v1);
3593	>	checkCompletedNormally(g, v1);
3594	>	}}
3595	>
3596	>	/**
3597	>	* copy returns a CompletableFuture that is completed exceptionally
3598	>	* when source is.
3599	>	*/
3600	>	public void testCopy_exceptionalCompletion() {
3601	>	for (boolean createIncomplete : new boolean[] { true, false })
3602	>	{
3603	>	CFException ex = new CFException();
3604	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3605		if (!createIncomplete) f.completeExceptionally(ex);
3606	<	final CompletableFuture<Integer> g = m.whenComplete
3607	<	(f,
3608	<	(Integer x, Throwable t) -> {
3609	<	threadAssertNull(x);
3610	<	threadAssertSame(t, ex);
3611	<	a.getAndIncrement();
3612	<	});
3613	<	if (createIncomplete) f.completeExceptionally(ex);
2802	<	checkCompletedWithWrappedCFException(f, ex);
2803	<	checkCompletedWithWrappedCFException(g, ex);
2804	<	assertEquals(1, a.get());
3606	>	CompletableFuture<Integer> g = f.copy();
3607	>	if (createIncomplete) {
3608	>	checkIncomplete(f);
3609	>	checkIncomplete(g);
3610	>	f.completeExceptionally(ex);
3611	>	}
3612	>	checkCompletedExceptionally(f, ex);
3613	>	checkCompletedWithWrappedException(g, ex);
3614		}}
3615
3616		/**
3617	<	* whenComplete action executes on cancelled source, propagating
2809	<	* CancellationException.
3617	>	* Completion of a copy does not complete its source.
3618		*/
3619	<	public void testWhenComplete_sourceCancelled() {
3619	>	public void testCopy_oneWayPropagation() {
3620	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3621	>	assertTrue(f.copy().complete(1));
3622	>	assertTrue(f.copy().complete(null));
3623	>	assertTrue(f.copy().cancel(true));
3624	>	assertTrue(f.copy().cancel(false));
3625	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3626	>	checkIncomplete(f);
3627	>	}
3628	>
3629	>	/**
3630	>	* minimalCompletionStage returns a CompletableFuture that is
3631	>	* completed normally, with the same value, when source is.
3632	>	*/
3633	>	public void testMinimalCompletionStage() {
3634	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3635	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3636	>	AtomicInteger x = new AtomicInteger(0);
3637	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3638	>	checkIncomplete(f);
3639	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3640	>	f.complete(1);
3641	>	checkCompletedNormally(f, 1);
3642	>	assertEquals(x.get(), 1);
3643	>	assertNull(r.get());
3644	>	}
3645	>
3646	>	/**
3647	>	* minimalCompletionStage returns a CompletableFuture that is
3648	>	* completed exceptionally when source is.
3649	>	*/
3650	>	public void testMinimalCompletionStage2() {
3651	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3652	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3653	>	AtomicInteger x = new AtomicInteger(0);
3654	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3655	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3656	>	checkIncomplete(f);
3657	>	CFException ex = new CFException();
3658	>	f.completeExceptionally(ex);
3659	>	checkCompletedExceptionally(f, ex);
3660	>	assertEquals(x.get(), 0);
3661	>	assertEquals(r.get().getCause(), ex);
3662	>	}
3663	>
3664	>	/**
3665	>	* failedStage returns a CompletionStage completed
3666	>	* exceptionally with the given Exception
3667	>	*/
3668	>	public void testFailedStage() {
3669	>	CFException ex = new CFException();
3670	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3671	>	AtomicInteger x = new AtomicInteger(0);
3672	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3673	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3674	>	assertEquals(x.get(), 0);
3675	>	assertEquals(r.get(), ex);
3676	>	}
3677	>
3678	>	/**
3679	>	* completeAsync completes with value of given supplier
3680	>	*/
3681	>	public void testCompleteAsync() {
3682	>	for (Integer v1 : new Integer[] { 1, null })
3683	>	{
3684	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3685	>	f.completeAsync(() -> v1);
3686	>	f.join();
3687	>	checkCompletedNormally(f, v1);
3688	>	}}
3689	>
3690	>	/**
3691	>	* completeAsync completes exceptionally if given supplier throws
3692	>	*/
3693	>	public void testCompleteAsync2() {
3694	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3695	>	CFException ex = new CFException();
3696	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3697	>	try {
3698	>	f.join();
3699	>	shouldThrow();
3700	>	} catch (CompletionException success) {}
3701	>	checkCompletedWithWrappedException(f, ex);
3702	>	}
3703	>
3704	>	/**
3705	>	* completeAsync with given executor completes with value of given supplier
3706	>	*/
3707	>	public void testCompleteAsync3() {
3708	>	for (Integer v1 : new Integer[] { 1, null })
3709	>	{
3710	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3711	>	ThreadExecutor executor = new ThreadExecutor();
3712	>	f.completeAsync(() -> v1, executor);
3713	>	assertSame(v1, f.join());
3714	>	checkCompletedNormally(f, v1);
3715	>	assertEquals(1, executor.count.get());
3716	>	}}
3717	>
3718	>	/**
3719	>	* completeAsync with given executor completes exceptionally if
3720	>	* given supplier throws
3721	>	*/
3722	>	public void testCompleteAsync4() {
3723	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3724	>	CFException ex = new CFException();
3725	>	ThreadExecutor executor = new ThreadExecutor();
3726	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3727	>	try {
3728	>	f.join();
3729	>	shouldThrow();
3730	>	} catch (CompletionException success) {}
3731	>	checkCompletedWithWrappedException(f, ex);
3732	>	assertEquals(1, executor.count.get());
3733	>	}
3734	>
3735	>	/**
3736	>	* orTimeout completes with TimeoutException if not complete
3737	>	*/
3738	>	public void testOrTimeout_timesOut() {
3739	>	long timeoutMillis = timeoutMillis();
3740	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3741	>	long startTime = System.nanoTime();
3742	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3743	>	checkCompletedWithTimeoutException(f);
3744	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3745	>	}
3746	>
3747	>	/**
3748	>	* orTimeout completes normally if completed before timeout
3749	>	*/
3750	>	public void testOrTimeout_completed() {
3751	>	for (Integer v1 : new Integer[] { 1, null })
3752	>	{
3753	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3754	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3755	>	long startTime = System.nanoTime();
3756	>	f.complete(v1);
3757	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3758	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3759	>	g.complete(v1);
3760	>	checkCompletedNormally(f, v1);
3761	>	checkCompletedNormally(g, v1);
3762	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3763	>	}}
3764	>
3765	>	/**
3766	>	* completeOnTimeout completes with given value if not complete
3767	>	*/
3768	>	public void testCompleteOnTimeout_timesOut() {
3769	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3770	>	() -> testCompleteOnTimeout_timesOut(null));
3771	>	}
3772	>
3773	>	/**
3774	>	* completeOnTimeout completes with given value if not complete
3775	>	*/
3776	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3777	>	long timeoutMillis = timeoutMillis();
3778	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3779	>	long startTime = System.nanoTime();
3780	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3781	>	assertSame(v, f.join());
3782	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3783	>	f.complete(99);         // should have no effect
3784	>	checkCompletedNormally(f, v);
3785	>	}
3786	>
3787	>	/**
3788	>	* completeOnTimeout has no effect if completed within timeout
3789	>	*/
3790	>	public void testCompleteOnTimeout_completed() {
3791	>	for (Integer v1 : new Integer[] { 1, null })
3792	>	{
3793	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3794	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3795	>	long startTime = System.nanoTime();
3796	>	f.complete(v1);
3797	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3798	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3799	>	g.complete(v1);
3800	>	checkCompletedNormally(f, v1);
3801	>	checkCompletedNormally(g, v1);
3802	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3803	>	}}
3804	>
3805	>	/**
3806	>	* delayedExecutor returns an executor that delays submission
3807	>	*/
3808	>	public void testDelayedExecutor() {
3809	>	testInParallel(() -> testDelayedExecutor(null, null),
3810	>	() -> testDelayedExecutor(null, 1),
3811	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3812	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3813	>	}
3814	>
3815	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3816	>	long timeoutMillis = timeoutMillis();
3817	>	// Use an "unreasonably long" long timeout to catch lingering threads
3818	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3819	>	final Executor delayer, longDelayer;
3820	>	if (executor == null) {
3821	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3822	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3823	>	} else {
3824	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3825	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3826	>	}
3827	>	long startTime = System.nanoTime();
3828	>	CompletableFuture<Integer> f =
3829	>	CompletableFuture.supplyAsync(() -> v, delayer);
3830	>	CompletableFuture<Integer> g =
3831	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3832	>
3833	>	assertNull(g.getNow(null));
3834	>
3835	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3836	>	long millisElapsed = millisElapsedSince(startTime);
3837	>	assertTrue(millisElapsed >= timeoutMillis);
3838	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3839	>
3840	>	checkCompletedNormally(f, v);
3841	>
3842	>	checkIncomplete(g);
3843	>	assertTrue(g.cancel(true));
3844	>	}
3845	>
3846	>	//--- tests of implementation details; not part of official tck ---
3847	>
3848	>	Object resultOf(CompletableFuture<?> f) {
3849	>	SecurityManager sm = System.getSecurityManager();
3850	>	if (sm != null) {
3851	>	try {
3852	>	System.setSecurityManager(null);
3853	>	} catch (SecurityException giveUp) {
3854	>	return "Reflection not available";
3855	>	}
3856	>	}
3857	>
3858	>	try {
3859	>	java.lang.reflect.Field resultField
3860	>	= CompletableFuture.class.getDeclaredField("result");
3861	>	resultField.setAccessible(true);
3862	>	return resultField.get(f);
3863	>	} catch (Throwable t) {
3864	>	throw new AssertionError(t);
3865	>	} finally {
3866	>	if (sm != null) System.setSecurityManager(sm);
3867	>	}
3868	>	}
3869	>
3870	>	public void testExceptionPropagationReusesResultObject() {
3871	>	if (!testImplementationDetails) return;
3872		for (ExecutionMode m : ExecutionMode.values())
2813	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2814	–	for (boolean createIncomplete : new boolean[] { true, false })
3873		{
3874	<	final AtomicInteger a = new AtomicInteger(0);
3875	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3876	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2819	<	final CompletableFuture<Integer> g = m.whenComplete
2820	<	(f,
2821	<	(Integer x, Throwable t) -> {
2822	<	threadAssertNull(x);
2823	<	threadAssertTrue(t instanceof CancellationException);
2824	<	a.getAndIncrement();
2825	<	});
2826	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3874	>	final CFException ex = new CFException();
3875	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3876	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3877
3878	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3879	<	checkCompletedWithWrappedCancellationException(g);
3880	<	checkCancelled(f);
3881	<	assertEquals(1, a.get());
3878	>	final Runnable noopRunnable = new Noop(m);
3879	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3880	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
3881	>
3882	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3883	>	= new ArrayList<>();
3884	>
3885	>	funs.add((y) -> m.thenRun(y, noopRunnable));
3886	>	funs.add((y) -> m.thenAccept(y, noopConsumer));
3887	>	funs.add((y) -> m.thenApply(y, incFunction));
3888	>
3889	>	funs.add((y) -> m.runAfterEither(y, incomplete, noopRunnable));
3890	>	funs.add((y) -> m.acceptEither(y, incomplete, noopConsumer));
3891	>	funs.add((y) -> m.applyToEither(y, incomplete, incFunction));
3892	>
3893	>	funs.add((y) -> m.runAfterBoth(y, v42, noopRunnable));
3894	>	funs.add((y) -> m.runAfterBoth(v42, y, noopRunnable));
3895	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3896	>	funs.add((y) -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3897	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3898	>	funs.add((y) -> m.thenCombine(v42, y, new SubtractFunction(m)));
3899	>
3900	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3901	>
3902	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3903	>
3904	>	funs.add((y) -> CompletableFuture.allOf(y));
3905	>	funs.add((y) -> CompletableFuture.allOf(y, v42));
3906	>	funs.add((y) -> CompletableFuture.allOf(v42, y));
3907	>	funs.add((y) -> CompletableFuture.anyOf(y));
3908	>	funs.add((y) -> CompletableFuture.anyOf(y, incomplete));
3909	>	funs.add((y) -> CompletableFuture.anyOf(incomplete, y));
3910	>
3911	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3912	>	fun : funs) {
3913	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3914	>	f.completeExceptionally(ex);
3915	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3916	>	checkCompletedWithWrappedException(src, ex);
3917	>	CompletableFuture<?> dep = fun.apply(src);
3918	>	checkCompletedWithWrappedException(dep, ex);
3919	>	assertSame(resultOf(src), resultOf(dep));
3920	>	}
3921	>
3922	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3923	>	fun : funs) {
3924	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3925	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3926	>	CompletableFuture<?> dep = fun.apply(src);
3927	>	f.completeExceptionally(ex);
3928	>	checkCompletedWithWrappedException(src, ex);
3929	>	checkCompletedWithWrappedException(dep, ex);
3930	>	assertSame(resultOf(src), resultOf(dep));
3931	>	}
3932	>
3933	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3934	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3935	>	fun : funs) {
3936	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3937	>	f.cancel(mayInterruptIfRunning);
3938	>	checkCancelled(f);
3939	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3940	>	checkCompletedWithWrappedCancellationException(src);
3941	>	CompletableFuture<?> dep = fun.apply(src);
3942	>	checkCompletedWithWrappedCancellationException(dep);
3943	>	assertSame(resultOf(src), resultOf(dep));
3944	>	}
3945	>
3946	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3947	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3948	>	fun : funs) {
3949	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3950	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3951	>	CompletableFuture<?> dep = fun.apply(src);
3952	>	f.cancel(mayInterruptIfRunning);
3953	>	checkCancelled(f);
3954	>	checkCompletedWithWrappedCancellationException(src);
3955	>	checkCompletedWithWrappedCancellationException(dep);
3956	>	assertSame(resultOf(src), resultOf(dep));
3957	>	}
3958		}}
3959
3960		/**
3961	<	* If a whenComplete action throws an exception when triggered by
3962	<	* a normal completion, it completes exceptionally
3961	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3962	>	*/
3963	>	public void testMinimalCompletionStage_minimality() {
3964	>	if (!testImplementationDetails) return;
3965	>	Function<Method, String> toSignature =
3966	>	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3967	>	Predicate<Method> isNotStatic =
3968	>	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3969	>	List<Method> minimalMethods =
3970	>	Stream.of(Object.class, CompletionStage.class)
3971	>	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3972	>	.filter(isNotStatic)
3973	>	.collect(Collectors.toList());
3974	>	// Methods from CompletableFuture permitted NOT to throw UOE
3975	>	String[] signatureWhitelist = {
3976	>	"newIncompleteFuture[]",
3977	>	"defaultExecutor[]",
3978	>	"minimalCompletionStage[]",
3979	>	"copy[]",
3980	>	};
3981	>	Set<String> permittedMethodSignatures =
3982	>	Stream.concat(minimalMethods.stream().map(toSignature),
3983	>	Stream.of(signatureWhitelist))
3984	>	.collect(Collectors.toSet());
3985	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3986	>	.filter(isNotStatic)
3987	>	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3988	>	.collect(Collectors.toList());
3989	>
3990	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
3991	>	CompletionStage<Integer> min =
3992	>	new CompletableFuture<Integer>().minimalCompletionStage();
3993	>	stages.add(min);
3994	>	stages.add(min.thenApply(x -> x));
3995	>	stages.add(CompletableFuture.completedStage(1));
3996	>	stages.add(CompletableFuture.failedStage(new CFException()));
3997	>
3998	>	List<Method> bugs = new ArrayList<>();
3999	>	for (Method method : allMethods) {
4000	>	Class<?>[] parameterTypes = method.getParameterTypes();
4001	>	Object[] args = new Object[parameterTypes.length];
4002	>	// Manufacture boxed primitives for primitive params
4003	>	for (int i = 0; i < args.length; i++) {
4004	>	Class<?> type = parameterTypes[i];
4005	>	if (parameterTypes[i] == boolean.class)
4006	>	args[i] = false;
4007	>	else if (parameterTypes[i] == int.class)
4008	>	args[i] = 0;
4009	>	else if (parameterTypes[i] == long.class)
4010	>	args[i] = 0L;
4011	>	}
4012	>	for (CompletionStage<Integer> stage : stages) {
4013	>	try {
4014	>	method.invoke(stage, args);
4015	>	bugs.add(method);
4016	>	}
4017	>	catch (java.lang.reflect.InvocationTargetException expected) {
4018	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4019	>	bugs.add(method);
4020	>	// expected.getCause().printStackTrace();
4021	>	}
4022	>	}
4023	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4024	>	}
4025	>	}
4026	>	if (!bugs.isEmpty())
4027	>	throw new Error("Methods did not throw UOE: " + bugs);
4028	>	}
4029	>
4030	>	/**
4031	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4032	>	* is completed normally, with the same value, when source is.
4033		*/
4034	<	public void testWhenComplete_actionFailed() {
4034	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4035		for (boolean createIncomplete : new boolean[] { true, false })
2840	–	for (ExecutionMode m : ExecutionMode.values())
4036		for (Integer v1 : new Integer[] { 1, null })
4037		{
4038	<	final AtomicInteger a = new AtomicInteger(0);
4039	<	final CFException ex = new CFException();
4040	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4041	<	if (!createIncomplete) f.complete(v1);
4042	<	final CompletableFuture<Integer> g = m.whenComplete
4043	<	(f,
4044	<	(Integer x, Throwable t) -> {
4045	<	threadAssertSame(x, v1);
4046	<	threadAssertNull(t);
2852	<	a.getAndIncrement();
2853	<	throw ex;
2854	<	});
2855	<	if (createIncomplete) f.complete(v1);
4038	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4039	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4040	>	if (!createIncomplete) assertTrue(f.complete(v1));
4041	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4042	>	if (createIncomplete) {
4043	>	checkIncomplete(f);
4044	>	checkIncomplete(g);
4045	>	assertTrue(f.complete(v1));
4046	>	}
4047		checkCompletedNormally(f, v1);
4048	<	checkCompletedWithWrappedCFException(g, ex);
2858	<	assertEquals(1, a.get());
4048	>	checkCompletedNormally(g, v1);
4049		}}
4050
4051		/**
4052	<	* If a whenComplete action throws an exception when triggered by
4053	<	* a source completion that also throws an exception, the source
2864	<	* exception takes precedence.
4052	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4053	>	* is completed exceptionally when source is.
4054		*/
4055	<	public void testWhenComplete_actionFailedSourceFailed() {
4055	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4056		for (boolean createIncomplete : new boolean[] { true, false })
4057	<	for (ExecutionMode m : ExecutionMode.values())
4057	>	{
4058	>	CFException ex = new CFException();
4059	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4060	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4061	>	if (!createIncomplete) f.completeExceptionally(ex);
4062	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4063	>	if (createIncomplete) {
4064	>	checkIncomplete(f);
4065	>	checkIncomplete(g);
4066	>	f.completeExceptionally(ex);
4067	>	}
4068	>	checkCompletedExceptionally(f, ex);
4069	>	checkCompletedWithWrappedException(g, ex);
4070	>	}}
4071	>
4072	>	/**
4073	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4074	>	*/
4075	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4076		for (Integer v1 : new Integer[] { 1, null })
4077		{
4078	<	final AtomicInteger a = new AtomicInteger(0);
4079	<	final CFException ex1 = new CFException();
4080	<	final CFException ex2 = new CFException();
4081	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4078	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4079	>	CompletionStage minimal = f.minimalCompletionStage();
4080	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4081	>	assertTrue(g.complete(v1));
4082	>	checkCompletedNormally(g, v1);
4083	>	checkIncomplete(f);
4084	>	checkIncomplete(minimal.toCompletableFuture());
4085	>	}}
4086
4087	<	if (!createIncomplete) f.completeExceptionally(ex1);
4088	<	final CompletableFuture<Integer> g = m.whenComplete
4089	<	(f,
4090	<	(Integer x, Throwable t) -> {
4091	<	threadAssertSame(t, ex1);
4092	<	threadAssertNull(x);
4093	<	a.getAndIncrement();
4094	<	throw ex2;
4095	<	});
4096	<	if (createIncomplete) f.completeExceptionally(ex1);
4087	>	/**
4088	>	* minimalStage.toCompletableFuture().join() awaits completion
4089	>	*/
4090	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4091	>	for (boolean createIncomplete : new boolean[] { true, false })
4092	>	for (Integer v1 : new Integer[] { 1, null })
4093	>	{
4094	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4095	>	if (!createIncomplete) assertTrue(f.complete(v1));
4096	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4097	>	if (createIncomplete) assertTrue(f.complete(v1));
4098	>	assertEquals(v1, minimal.toCompletableFuture().join());
4099	>	assertEquals(v1, minimal.toCompletableFuture().get());
4100	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4101	>	}}
4102
4103	<	checkCompletedWithWrappedCFException(f, ex1);
4104	<	checkCompletedWithWrappedCFException(g, ex1);
4105	<	assertEquals(1, a.get());
4103	>	/**
4104	>	* Completion of a toCompletableFuture copy of a minimal stage
4105	>	* does not complete its source.
4106	>	*/
4107	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4108	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4109	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4110	>	assertTrue(g.toCompletableFuture().complete(1));
4111	>	assertTrue(g.toCompletableFuture().complete(null));
4112	>	assertTrue(g.toCompletableFuture().cancel(true));
4113	>	assertTrue(g.toCompletableFuture().cancel(false));
4114	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4115	>	checkIncomplete(g.toCompletableFuture());
4116	>	f.complete(1);
4117	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4118	>	}
4119	>
4120	>	/** Demo utility method for external reliable toCompletableFuture */
4121	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4122	>	CompletableFuture<T> f = new CompletableFuture<>();
4123	>	stage.handle((T t, Throwable ex) -> {
4124	>	if (ex != null) f.completeExceptionally(ex);
4125	>	else f.complete(t);
4126	>	return null;
4127	>	});
4128	>	return f;
4129	>	}
4130	>
4131	>	/** Demo utility method to join a CompletionStage */
4132	>	static <T> T join(CompletionStage<T> stage) {
4133	>	return toCompletableFuture(stage).join();
4134	>	}
4135	>
4136	>	/**
4137	>	* Joining a minimal stage "by hand" works
4138	>	*/
4139	>	public void testMinimalCompletionStage_join_by_hand() {
4140	>	for (boolean createIncomplete : new boolean[] { true, false })
4141	>	for (Integer v1 : new Integer[] { 1, null })
4142	>	{
4143	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4144	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4145	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4146	>	if (!createIncomplete) assertTrue(f.complete(v1));
4147	>	minimal.thenAccept((x) -> g.complete(x));
4148	>	if (createIncomplete) assertTrue(f.complete(v1));
4149	>	g.join();
4150	>	checkCompletedNormally(g, v1);
4151	>	checkCompletedNormally(f, v1);
4152	>	assertEquals(v1, join(minimal));
4153		}}
4154
4155	+	static class Monad {
4156	+	static class ZeroException extends RuntimeException {
4157	+	public ZeroException() { super("monadic zero"); }
4158	+	}
4159	+	// "return", "unit"
4160	+	static <T> CompletableFuture<T> unit(T value) {
4161	+	return completedFuture(value);
4162	+	}
4163	+	// monadic zero ?
4164	+	static <T> CompletableFuture<T> zero() {
4165	+	return failedFuture(new ZeroException());
4166	+	}
4167	+	// >=>
4168	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
4169	+	(Function<T, CompletableFuture<U>> f,
4170	+	Function<U, CompletableFuture<V>> g) {
4171	+	return (x) -> f.apply(x).thenCompose(g);
4172	+	}
4173	+
4174	+	static void assertZero(CompletableFuture<?> f) {
4175	+	try {
4176	+	f.getNow(null);
4177	+	throw new AssertionFailedError("should throw");
4178	+	} catch (CompletionException success) {
4179	+	assertTrue(success.getCause() instanceof ZeroException);
4180	+	}
4181	+	}
4182	+
4183	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4184	+	CompletableFuture<T> g) {
4185	+	T fval = null, gval = null;
4186	+	Throwable fex = null, gex = null;
4187	+
4188	+	try { fval = f.get(); }
4189	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4190	+	catch (Throwable ex) { fex = ex; }
4191	+
4192	+	try { gval = g.get(); }
4193	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4194	+	catch (Throwable ex) { gex = ex; }
4195	+
4196	+	if (fex != null || gex != null)
4197	+	assertSame(fex.getClass(), gex.getClass());
4198	+	else
4199	+	assertEquals(fval, gval);
4200	+	}
4201	+
4202	+	static class PlusFuture<T> extends CompletableFuture<T> {
4203	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4204	+	}
4205	+
4206	+	/** Implements "monadic plus". */
4207	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4208	+	CompletableFuture<? extends T> g) {
4209	+	PlusFuture<T> plus = new PlusFuture<T>();
4210	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4211	+	try {
4212	+	if (ex == null) {
4213	+	if (plus.complete(result))
4214	+	if (plus.firstFailure.get() != null)
4215	+	plus.firstFailure.set(null);
4216	+	}
4217	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4218	+	if (plus.isDone())
4219	+	plus.firstFailure.set(null);
4220	+	}
4221	+	else {
4222	+	// first failure has precedence
4223	+	Throwable first = plus.firstFailure.getAndSet(null);
4224	+
4225	+	// may fail with "Self-suppression not permitted"
4226	+	try { first.addSuppressed(ex); }
4227	+	catch (Exception ignored) {}
4228	+
4229	+	plus.completeExceptionally(first);
4230	+	}
4231	+	} catch (Throwable unexpected) {
4232	+	plus.completeExceptionally(unexpected);
4233	+	}
4234	+	};
4235	+	f.whenComplete(action);
4236	+	g.whenComplete(action);
4237	+	return plus;
4238	+	}
4239	+	}
4240	+
4241	+	/**
4242	+	* CompletableFuture is an additive monad - sort of.
4243	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4244	+	*/
4245	+	public void testAdditiveMonad() throws Throwable {
4246	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4247	+	CompletableFuture<Long> zero = Monad.zero();
4248	+
4249	+	// Some mutually non-commutative functions
4250	+	Function<Long, CompletableFuture<Long>> triple
4251	+	= (x) -> Monad.unit(3 * x);
4252	+	Function<Long, CompletableFuture<Long>> inc
4253	+	= (x) -> Monad.unit(x + 1);
4254	+
4255	+	// unit is a right identity: m >>= unit === m
4256	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4257	+	inc.apply(5L));
4258	+	// unit is a left identity: (unit x) >>= f === f x
4259	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4260	+	inc.apply(5L));
4261	+
4262	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4263	+	Monad.assertFutureEquals(
4264	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4265	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
4266	+
4267	+	// The case for CompletableFuture as an additive monad is weaker...
4268	+
4269	+	// zero is a monadic zero
4270	+	Monad.assertZero(zero);
4271	+
4272	+	// left zero: zero >>= f === zero
4273	+	Monad.assertZero(zero.thenCompose(inc));
4274	+	// right zero: f >>= (\x -> zero) === zero
4275	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
4276	+
4277	+	// f plus zero === f
4278	+	Monad.assertFutureEquals(Monad.unit(5L),
4279	+	Monad.plus(Monad.unit(5L), zero));
4280	+	// zero plus f === f
4281	+	Monad.assertFutureEquals(Monad.unit(5L),
4282	+	Monad.plus(zero, Monad.unit(5L)));
4283	+	// zero plus zero === zero
4284	+	Monad.assertZero(Monad.plus(zero, zero));
4285	+	{
4286	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4287	+	Monad.unit(8L));
4288	+	// non-determinism
4289	+	assertTrue(f.get() == 5L || f.get() == 8L);
4290	+	}
4291	+
4292	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4293	+	// f plus godot === f (doesn't wait for godot)
4294	+	Monad.assertFutureEquals(Monad.unit(5L),
4295	+	Monad.plus(Monad.unit(5L), godot));
4296	+	// godot plus f === f (doesn't wait for godot)
4297	+	Monad.assertFutureEquals(Monad.unit(5L),
4298	+	Monad.plus(godot, Monad.unit(5L)));
4299	+	}
4300	+
4301	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4302	+	public void testRecursiveChains() throws Throwable {
4303	+	for (ExecutionMode m : ExecutionMode.values())
4304	+	for (boolean addDeadEnds : new boolean[] { true, false })
4305	+	{
4306	+	final int val = 42;
4307	+	final int n = expensiveTests ? 1_000 : 2;
4308	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4309	+	CompletableFuture<Integer> tail = head;
4310	+	for (int i = 0; i < n; i++) {
4311	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4312	+	tail = m.thenApply(tail, v -> v + 1);
4313	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4314	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4315	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4316	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4317	+	}
4318	+	head.complete(val);
4319	+	assertEquals(val + 3 * n, (int) tail.join());
4320	+	}}
4321	+
4322	+	/**
4323	+	* A single CompletableFuture with many dependents.
4324	+	* A demo of scalability - runtime is O(n).
4325	+	*/
4326	+	public void testManyDependents() throws Throwable {
4327	+	final int n = expensiveTests ? 1_000_000 : 10;
4328	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4329	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4330	+	final AtomicInteger count = new AtomicInteger(0);
4331	+	for (int i = 0; i < n; i++) {
4332	+	head.thenRun(() -> count.getAndIncrement());
4333	+	head.thenAccept((x) -> count.getAndIncrement());
4334	+	head.thenApply((x) -> count.getAndIncrement());
4335	+
4336	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4337	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4338	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4339	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4340	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4341	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4342	+
4343	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4344	+	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
4345	+	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
4346	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4347	+	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
4348	+	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
4349	+	}
4350	+	head.complete(null);
4351	+	assertEquals(5 * 3 * n, count.get());
4352	+	}
4353	+
4354	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4355	+	public void testCoCompletionGarbageRetention() throws Throwable {
4356	+	final int n = expensiveTests ? 1_000_000 : 10;
4357	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4358	+	CompletableFuture<Integer> f;
4359	+	for (int i = 0; i < n; i++) {
4360	+	f = new CompletableFuture<>();
4361	+	f.runAfterEither(incomplete, () -> {});
4362	+	f.complete(null);
4363	+
4364	+	f = new CompletableFuture<>();
4365	+	f.acceptEither(incomplete, (x) -> {});
4366	+	f.complete(null);
4367	+
4368	+	f = new CompletableFuture<>();
4369	+	f.applyToEither(incomplete, (x) -> x);
4370	+	f.complete(null);
4371	+
4372	+	f = new CompletableFuture<>();
4373	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4374	+	f.complete(null);
4375	+	}
4376	+
4377	+	for (int i = 0; i < n; i++) {
4378	+	f = new CompletableFuture<>();
4379	+	incomplete.runAfterEither(f, () -> {});
4380	+	f.complete(null);
4381	+
4382	+	f = new CompletableFuture<>();
4383	+	incomplete.acceptEither(f, (x) -> {});
4384	+	f.complete(null);
4385	+
4386	+	f = new CompletableFuture<>();
4387	+	incomplete.applyToEither(f, (x) -> x);
4388	+	f.complete(null);
4389	+
4390	+	f = new CompletableFuture<>();
4391	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4392	+	f.complete(null);
4393	+	}
4394	+	}
4395	+
4396	+	/**
4397	+	* Reproduction recipe for:
4398	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4399	+	* cvs update -D '2016-05-01' ./src/main/java/util/concurrent/CompletableFuture.java && ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testAnyOfGarbageRetention tck; cvs update -A
4400	+	*/
4401	+	public void testAnyOfGarbageRetention() throws Throwable {
4402	+	for (Integer v : new Integer[] { 1, null })
4403	+	{
4404	+	final int n = expensiveTests ? 100_000 : 10;
4405	+	CompletableFuture<Integer>[] fs
4406	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4407	+	for (int i = 0; i < fs.length; i++)
4408	+	fs[i] = new CompletableFuture<>();
4409	+	fs[fs.length - 1].complete(v);
4410	+	for (int i = 0; i < n; i++)
4411	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4412	+	}}
4413	+
4414	+	/**
4415	+	* Checks for garbage retention with allOf.
4416	+	*
4417	+	* As of 2016-07, fails with OOME:
4418	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4419	+	*/
4420	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4421	+	final int n = expensiveTests ? 100_000 : 10;
4422	+	CompletableFuture<Integer>[] fs
4423	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4424	+	for (int i = 0; i < fs.length; i++)
4425	+	fs[i] = new CompletableFuture<>();
4426	+	for (int i = 0; i < n; i++)
4427	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4428	+	}
4429	+
4430	+	/**
4431	+	* Checks for garbage retention when a dependent future is
4432	+	* cancelled and garbage-collected.
4433	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4434	+	*
4435	+	* As of 2016-07, fails with OOME:
4436	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4437	+	*/
4438	+	public void testCancelledGarbageRetention() throws Throwable {
4439	+	final int n = expensiveTests ? 100_000 : 10;
4440	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4441	+	for (int i = 0; i < n; i++)
4442	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4443	+	}
4444	+
4445	+	/**
4446	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4447	+	* is invoked many times.
4448	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4449	+	*
4450	+	* As of 2016-07, fails with OOME:
4451	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4452	+	*/
4453	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4454	+	final int n = expensiveTests ? 900_000 : 10;
4455	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4456	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4457	+	for (int i = 0; i < n; i++)
4458	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4459	+	}
4460	+
4461	+	//     static <U> U join(CompletionStage<U> stage) {
4462	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4463	+	//         stage.whenComplete((v, ex) -> {
4464	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4465	+	//         });
4466	+	//         return f.join();
4467	+	//     }
4468	+
4469	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4470	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4471	+	//         stage.whenComplete((v, ex) -> {
4472	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4473	+	//         });
4474	+	//         return f.isDone();
4475	+	//     }
4476	+
4477	+	//     static <U> U join2(CompletionStage<U> stage) {
4478	+	//         return stage.toCompletableFuture().copy().join();
4479	+	//     }
4480	+
4481	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4482	+	//         return stage.toCompletableFuture().copy().isDone();
4483	+	//     }
4484	+
4485		}

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