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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.58 by jsr166, Mon Jun 2 23:10:08 2014 UTC vs.
Revision 1.190 by jsr166, Wed Nov 8 02:21:43 2017 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().matches(".*\\[.*Not completed.*\\]"));
63		try {
64		assertNull(f.getNow(null));
65		} catch (Throwable fail) { threadUnexpectedException(fail); }
66		try {
67	<	f.get(0L, SECONDS);
67	>	f.get(randomExpiredTimeout(), randomTimeUnit());
68		shouldThrow();
69		}
70		catch (TimeoutException success) {}
#	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());
65	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
66	–	try {
79		assertEquals(value, f.getNow(null));
68	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
69	–	try {
80		assertEquals(value, f.get());
81		} catch (Throwable fail) { threadUnexpectedException(fail); }
82		assertTrue(f.isDone());
83		assertFalse(f.isCancelled());
84		assertFalse(f.isCompletedExceptionally());
85	<	assertTrue(f.toString().contains("[Completed normally]"));
85	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
86		}
87
88	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
89	<	try {
90	<	f.get(LONG_DELAY_MS, MILLISECONDS);
91	<	shouldThrow();
92	<	} catch (ExecutionException success) {
93	<	assertTrue(success.getCause() instanceof CFException);
94	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
95	<	try {
86	<	f.join();
87	<	shouldThrow();
88	<	} catch (CompletionException success) {
89	<	assertTrue(success.getCause() instanceof CFException);
90	<	}
91	<	try {
92	<	f.getNow(null);
93	<	shouldThrow();
94	<	} catch (CompletionException success) {
95	<	assertTrue(success.getCause() instanceof CFException);
96	<	}
97	<	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]"));
88	>	/**
89	>	* Returns the "raw" internal exceptional completion of f,
90	>	* without any additional wrapping with CompletionException.
91	>	*/
92	>	Throwable exceptionalCompletion(CompletableFuture<?> f) {
93	>	// handle (and whenComplete and exceptionally) can distinguish
94	>	// between "direct" and "wrapped" exceptional completion
95	>	return f.handle((u, t) -> t).join();
96		}
97
98	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
99	<	CFException ex) {
98	>	void checkCompletedExceptionally(CompletableFuture<?> f,
99	>	boolean wrapped,
100	>	Consumer<Throwable> checker) {
101	>	Throwable cause = exceptionalCompletion(f);
102	>	if (wrapped) {
103	>	assertTrue(cause instanceof CompletionException);
104	>	cause = cause.getCause();
105	>	}
106	>	checker.accept(cause);
107	>
108	>	long startTime = System.nanoTime();
109		try {
110		f.get(LONG_DELAY_MS, MILLISECONDS);
111		shouldThrow();
112		} catch (ExecutionException success) {
113	<	assertSame(ex, success.getCause());
113	>	assertSame(cause, success.getCause());
114		} catch (Throwable fail) { threadUnexpectedException(fail); }
115	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
116	+
117		try {
118		f.join();
119		shouldThrow();
120		} catch (CompletionException success) {
121	<	assertSame(ex, success.getCause());
122	<	}
121	>	assertSame(cause, success.getCause());
122	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
123	>
124		try {
125		f.getNow(null);
126		shouldThrow();
127		} catch (CompletionException success) {
128	<	assertSame(ex, success.getCause());
129	<	}
128	>	assertSame(cause, success.getCause());
129	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
130	>
131		try {
132		f.get();
133		shouldThrow();
134		} catch (ExecutionException success) {
135	<	assertSame(ex, success.getCause());
135	>	assertSame(cause, success.getCause());
136		} catch (Throwable fail) { threadUnexpectedException(fail); }
137	<	assertTrue(f.isDone());
137	>
138		assertFalse(f.isCancelled());
139	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
139	>	assertTrue(f.isDone());
140	>	assertTrue(f.isCompletedExceptionally());
141	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
142	>	}
143	>
144	>	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
145	>	checkCompletedExceptionally(f, true,
146	>	t -> assertTrue(t instanceof CFException));
147	>	}
148	>
149	>	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
150	>	checkCompletedExceptionally(f, true,
151	>	t -> assertTrue(t instanceof CancellationException));
152	>	}
153	>
154	>	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
155	>	checkCompletedExceptionally(f, false,
156	>	t -> assertTrue(t instanceof TimeoutException));
157	>	}
158	>
159	>	void checkCompletedWithWrappedException(CompletableFuture<?> f,
160	>	Throwable ex) {
161	>	checkCompletedExceptionally(f, true, t -> assertSame(t, ex));
162	>	}
163	>
164	>	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
165	>	checkCompletedExceptionally(f, false, t -> assertSame(t, ex));
166		}
167
168		void checkCancelled(CompletableFuture<?> f) {
169	+	long startTime = System.nanoTime();
170		try {
171		f.get(LONG_DELAY_MS, MILLISECONDS);
172		shouldThrow();
173		} catch (CancellationException success) {
174		} catch (Throwable fail) { threadUnexpectedException(fail); }
175	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
176	+
177		try {
178		f.join();
179		shouldThrow();
#	Line 155 | Line 187 | public class CompletableFutureTest exten
187		shouldThrow();
188		} catch (CancellationException success) {
189		} 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	–	}
190
191	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
192	<	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); }
191	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
192	>
193		assertTrue(f.isDone());
190	–	assertFalse(f.isCancelled());
194		assertTrue(f.isCompletedExceptionally());
195	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
195	>	assertTrue(f.isCancelled());
196	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
197		}
198
199		/**
#	Line 206 | Line 210 | public class CompletableFutureTest exten
210		* isCancelled, join, get, and getNow
211		*/
212		public void testComplete() {
213	+	for (Integer v1 : new Integer[] { 1, null })
214	+	{
215		CompletableFuture<Integer> f = new CompletableFuture<>();
216		checkIncomplete(f);
217	<	f.complete(one);
218	<	checkCompletedNormally(f, one);
219	<	}
217	>	assertTrue(f.complete(v1));
218	>	assertFalse(f.complete(v1));
219	>	checkCompletedNormally(f, v1);
220	>	}}
221
222		/**
223		* completeExceptionally completes exceptionally, as indicated by
#	Line 218 | Line 225 | public class CompletableFutureTest exten
225		*/
226		public void testCompleteExceptionally() {
227		CompletableFuture<Integer> f = new CompletableFuture<>();
228	+	CFException ex = new CFException();
229		checkIncomplete(f);
230	<	f.completeExceptionally(new CFException());
231	<	checkCompletedWithWrappedCFException(f);
230	>	f.completeExceptionally(ex);
231	>	checkCompletedExceptionally(f, ex);
232		}
233
234		/**
#	Line 228 | Line 236 | public class CompletableFutureTest exten
236		* methods isDone, isCancelled, join, get, and getNow
237		*/
238		public void testCancel() {
239	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
240	+	{
241		CompletableFuture<Integer> f = new CompletableFuture<>();
242		checkIncomplete(f);
243	<	assertTrue(f.cancel(true));
243	>	assertTrue(f.cancel(mayInterruptIfRunning));
244	>	assertTrue(f.cancel(mayInterruptIfRunning));
245	>	assertTrue(f.cancel(!mayInterruptIfRunning));
246		checkCancelled(f);
247	<	}
247	>	}}
248
249		/**
250		* obtrudeValue forces completion with given value
#	Line 240 | Line 252 | public class CompletableFutureTest exten
252		public void testObtrudeValue() {
253		CompletableFuture<Integer> f = new CompletableFuture<>();
254		checkIncomplete(f);
255	<	f.complete(one);
255	>	assertTrue(f.complete(one));
256		checkCompletedNormally(f, one);
257		f.obtrudeValue(three);
258		checkCompletedNormally(f, three);
#	Line 261 | Line 273 | public class CompletableFutureTest exten
273		* obtrudeException forces completion with given exception
274		*/
275		public void testObtrudeException() {
276	<	CompletableFuture<Integer> f = new CompletableFuture<>();
277	<	checkIncomplete(f);
278	<	f.complete(one);
279	<	checkCompletedNormally(f, one);
280	<	f.obtrudeException(new CFException());
269	<	checkCompletedWithWrappedCFException(f);
276	>	for (Integer v1 : new Integer[] { 1, null })
277	>	{
278	>	CFException ex;
279	>	CompletableFuture<Integer> f;
280	>
281		f = new CompletableFuture<>();
282	<	f.obtrudeException(new CFException());
283	<	checkCompletedWithWrappedCFException(f);
282	>	assertTrue(f.complete(v1));
283	>	for (int i = 0; i < 2; i++) {
284	>	f.obtrudeException(ex = new CFException());
285	>	checkCompletedExceptionally(f, ex);
286	>	}
287	>
288	>	f = new CompletableFuture<>();
289	>	for (int i = 0; i < 2; i++) {
290	>	f.obtrudeException(ex = new CFException());
291	>	checkCompletedExceptionally(f, ex);
292	>	}
293	>
294		f = new CompletableFuture<>();
295	+	f.completeExceptionally(ex = new CFException());
296	+	f.obtrudeValue(v1);
297	+	checkCompletedNormally(f, v1);
298	+	f.obtrudeException(ex = new CFException());
299	+	checkCompletedExceptionally(f, ex);
300		f.completeExceptionally(new CFException());
301	<	f.obtrudeValue(four);
302	<	checkCompletedNormally(f, four);
303	<	f.obtrudeException(new CFException());
304	<	checkCompletedWithWrappedCFException(f);
279	<	}
301	>	checkCompletedExceptionally(f, ex);
302	>	assertFalse(f.complete(v1));
303	>	checkCompletedExceptionally(f, ex);
304	>	}}
305
306		/**
307		* getNumberOfDependents returns number of dependent tasks
308		*/
309		public void testGetNumberOfDependents() {
310	+	for (ExecutionMode m : ExecutionMode.values())
311	+	for (Integer v1 : new Integer[] { 1, null })
312	+	{
313		CompletableFuture<Integer> f = new CompletableFuture<>();
314		assertEquals(0, f.getNumberOfDependents());
315	<	CompletableFuture g = f.thenRun(new Noop(ExecutionMode.DEFAULT));
315	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
316		assertEquals(1, f.getNumberOfDependents());
317		assertEquals(0, g.getNumberOfDependents());
318	<	CompletableFuture h = f.thenRun(new Noop(ExecutionMode.DEFAULT));
318	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
319		assertEquals(2, f.getNumberOfDependents());
320	<	f.complete(1);
320	>	assertEquals(0, h.getNumberOfDependents());
321	>	assertTrue(f.complete(v1));
322		checkCompletedNormally(g, null);
323	+	checkCompletedNormally(h, null);
324		assertEquals(0, f.getNumberOfDependents());
325		assertEquals(0, g.getNumberOfDependents());
326	<	}
326	>	assertEquals(0, h.getNumberOfDependents());
327	>	}}
328
329		/**
330		* toString indicates current completion state
331		*/
332	<	public void testToString() {
333	<	CompletableFuture<String> f;
334	<
335	<	f = new CompletableFuture<String>();
336	<	assertTrue(f.toString().contains("[Not completed]"));
337	<
338	<	f.complete("foo");
339	<	assertTrue(f.toString().contains("[Completed normally]"));
340	<
341	<	f = new CompletableFuture<String>();
342	<	f.completeExceptionally(new IndexOutOfBoundsException());
343	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
332	>	public void testToString_incomplete() {
333	>	CompletableFuture<String> f = new CompletableFuture<String>();
334	>	assertTrue(f.toString().matches(".*\\[.*Not completed.*\\]"));
335	>	if (testImplementationDetails)
336	>	assertEquals(identityString(f) + "[Not completed]",
337	>	f.toString());
338	>	}
339	>
340	>	public void testToString_normal() {
341	>	CompletableFuture<String> f = new CompletableFuture<String>();
342	>	assertTrue(f.complete("foo"));
343	>	assertTrue(f.toString().matches(".*\\[.*Completed normally.*\\]"));
344	>	if (testImplementationDetails)
345	>	assertEquals(identityString(f) + "[Completed normally]",
346	>	f.toString());
347	>	}
348	>
349	>	public void testToString_exception() {
350	>	CompletableFuture<String> f = new CompletableFuture<String>();
351	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
352	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
353	>	if (testImplementationDetails)
354	>	assertTrue(f.toString().startsWith(
355	>	identityString(f) + "[Completed exceptionally: "));
356	>	}
357	>
358	>	public void testToString_cancelled() {
359	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
360	>	CompletableFuture<String> f = new CompletableFuture<String>();
361	>	assertTrue(f.cancel(mayInterruptIfRunning));
362	>	assertTrue(f.toString().matches(".*\\[.*Completed exceptionally.*\\]"));
363	>	if (testImplementationDetails)
364	>	assertTrue(f.toString().startsWith(
365	>	identityString(f) + "[Completed exceptionally: "));
366	>	}
367		}
368
369		/**
#	Line 320 | Line 374 | public class CompletableFutureTest exten
374		checkCompletedNormally(f, "test");
375		}
376
377	<	// Choose non-commutative actions for better coverage
378	<
379	<	// A non-commutative function that handles and produces null values as well.
380	<	static Integer subtract(Integer x, Integer y) {
381	<	return (x == null && y == null) ? null :
382	<	((x == null) ? 42 : x.intValue())
383	<	- ((y == null) ? 99 : y.intValue());
377	>	abstract static class CheckedAction {
378	>	int invocationCount = 0;
379	>	final ExecutionMode m;
380	>	CheckedAction(ExecutionMode m) { this.m = m; }
381	>	void invoked() {
382	>	m.checkExecutionMode();
383	>	assertEquals(0, invocationCount++);
384	>	}
385	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
386	>	void assertInvoked() { assertEquals(1, invocationCount); }
387		}
388
389	<	// A function that handles and produces null values as well.
390	<	static Integer inc(Integer x) {
391	<	return (x == null) ? null : x + 1;
389	>	abstract static class CheckedIntegerAction extends CheckedAction {
390	>	Integer value;
391	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
392	>	void assertValue(Integer expected) {
393	>	assertInvoked();
394	>	assertEquals(expected, value);
395	>	}
396		}
397
398	<	static final class IntegerSupplier implements Supplier<Integer> {
399	<	final ExecutionMode m;
400	<	int invocationCount = 0;
398	>	static class IntegerSupplier extends CheckedAction
399	>	implements Supplier<Integer>
400	>	{
401		final Integer value;
402		IntegerSupplier(ExecutionMode m, Integer value) {
403	<	this.m = m;
403	>	super(m);
404		this.value = value;
405		}
406		public Integer get() {
407	<	m.checkExecutionMode();
347	<	invocationCount++;
407	>	invoked();
408		return value;
409		}
410		}
411	<
412	<	static final class IncAction implements Consumer<Integer> {
413	<	int invocationCount = 0;
414	<	Integer value;
411	>
412	>	// A function that handles and produces null values as well.
413	>	static Integer inc(Integer x) {
414	>	return (x == null) ? null : x + 1;
415	>	}
416	>
417	>	static class NoopConsumer extends CheckedIntegerAction
418	>	implements Consumer<Integer>
419	>	{
420	>	NoopConsumer(ExecutionMode m) { super(m); }
421		public void accept(Integer x) {
422	<	invocationCount++;
423	<	value = inc(x);
422	>	invoked();
423	>	value = x;
424		}
425		}
426	<	static final class IncFunction implements Function<Integer,Integer> {
427	<	final ExecutionMode m;
428	<	int invocationCount = 0;
429	<	Integer value;
430	<	IncFunction(ExecutionMode m) { this.m = m; }
426	>
427	>	static class IncFunction extends CheckedIntegerAction
428	>	implements Function<Integer,Integer>
429	>	{
430	>	IncFunction(ExecutionMode m) { super(m); }
431		public Integer apply(Integer x) {
432	<	m.checkExecutionMode();
367	<	invocationCount++;
432	>	invoked();
433		return value = inc(x);
434		}
435		}
436	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
437	<	final ExecutionMode m;
438	<	int invocationCount = 0;
439	<	Integer value;
440	<	// Check this action was invoked exactly once when result is computed.
441	<	SubtractAction(ExecutionMode m) { this.m = m; }
436	>
437	>	// Choose non-commutative actions for better coverage
438	>	// A non-commutative function that handles and produces null values as well.
439	>	static Integer subtract(Integer x, Integer y) {
440	>	return (x == null && y == null) ? null :
441	>	((x == null) ? 42 : x.intValue())
442	>	- ((y == null) ? 99 : y.intValue());
443	>	}
444	>
445	>	static class SubtractAction extends CheckedIntegerAction
446	>	implements BiConsumer<Integer, Integer>
447	>	{
448	>	SubtractAction(ExecutionMode m) { super(m); }
449		public void accept(Integer x, Integer y) {
450	<	m.checkExecutionMode();
379	<	invocationCount++;
450	>	invoked();
451		value = subtract(x, y);
452		}
453		}
454	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
455	<	final ExecutionMode m;
456	<	int invocationCount = 0;
457	<	Integer value;
458	<	// Check this action was invoked exactly once when result is computed.
388	<	SubtractFunction(ExecutionMode m) { this.m = m; }
454	>
455	>	static class SubtractFunction extends CheckedIntegerAction
456	>	implements BiFunction<Integer, Integer, Integer>
457	>	{
458	>	SubtractFunction(ExecutionMode m) { super(m); }
459		public Integer apply(Integer x, Integer y) {
460	<	m.checkExecutionMode();
391	<	invocationCount++;
460	>	invoked();
461		return value = subtract(x, y);
462		}
463		}
464	<	static final class Noop implements Runnable {
465	<	final ExecutionMode m;
466	<	int invocationCount = 0;
398	<	Noop(ExecutionMode m) { this.m = m; }
464	>
465	>	static class Noop extends CheckedAction implements Runnable {
466	>	Noop(ExecutionMode m) { super(m); }
467		public void run() {
468	<	m.checkExecutionMode();
401	<	invocationCount++;
468	>	invoked();
469		}
470		}
471
472	<	static final class FailingSupplier implements Supplier<Integer> {
473	<	final ExecutionMode m;
474	<	int invocationCount = 0;
475	<	FailingSupplier(ExecutionMode m) { this.m = m; }
472	>	static class FailingSupplier extends CheckedAction
473	>	implements Supplier<Integer>
474	>	{
475	>	final CFException ex;
476	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
477		public Integer get() {
478	<	m.checkExecutionMode();
479	<	invocationCount++;
412	<	throw new CFException();
478	>	invoked();
479	>	throw ex;
480		}
481		}
482	<	static final class FailingConsumer implements Consumer<Integer> {
483	<	final ExecutionMode m;
484	<	int invocationCount = 0;
485	<	FailingConsumer(ExecutionMode m) { this.m = m; }
482	>
483	>	static class FailingConsumer extends CheckedIntegerAction
484	>	implements Consumer<Integer>
485	>	{
486	>	final CFException ex;
487	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
488		public void accept(Integer x) {
489	<	m.checkExecutionMode();
490	<	invocationCount++;
491	<	throw new CFException();
489	>	invoked();
490	>	value = x;
491	>	throw ex;
492		}
493		}
494	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
495	<	final ExecutionMode m;
496	<	int invocationCount = 0;
497	<	FailingBiConsumer(ExecutionMode m) { this.m = m; }
494	>
495	>	static class FailingBiConsumer extends CheckedIntegerAction
496	>	implements BiConsumer<Integer, Integer>
497	>	{
498	>	final CFException ex;
499	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
500		public void accept(Integer x, Integer y) {
501	<	m.checkExecutionMode();
502	<	invocationCount++;
503	<	throw new CFException();
501	>	invoked();
502	>	value = subtract(x, y);
503	>	throw ex;
504		}
505		}
506	<	static final class FailingFunction implements Function<Integer, Integer> {
507	<	final ExecutionMode m;
508	<	int invocationCount = 0;
509	<	FailingFunction(ExecutionMode m) { this.m = m; }
506	>
507	>	static class FailingFunction extends CheckedIntegerAction
508	>	implements Function<Integer, Integer>
509	>	{
510	>	final CFException ex;
511	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
512		public Integer apply(Integer x) {
513	<	m.checkExecutionMode();
514	<	invocationCount++;
515	<	throw new CFException();
513	>	invoked();
514	>	value = x;
515	>	throw ex;
516		}
517		}
518	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
519	<	final ExecutionMode m;
520	<	int invocationCount = 0;
521	<	FailingBiFunction(ExecutionMode m) { this.m = m; }
518	>
519	>	static class FailingBiFunction extends CheckedIntegerAction
520	>	implements BiFunction<Integer, Integer, Integer>
521	>	{
522	>	final CFException ex;
523	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
524		public Integer apply(Integer x, Integer y) {
525	<	m.checkExecutionMode();
526	<	invocationCount++;
527	<	throw new CFException();
525	>	invoked();
526	>	value = subtract(x, y);
527	>	throw ex;
528		}
529		}
530	<	static final class FailingRunnable implements Runnable {
531	<	final ExecutionMode m;
532	<	int invocationCount = 0;
533	<	FailingRunnable(ExecutionMode m) { this.m = m; }
530	>
531	>	static class FailingRunnable extends CheckedAction implements Runnable {
532	>	final CFException ex;
533	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
534		public void run() {
535	<	m.checkExecutionMode();
536	<	invocationCount++;
462	<	throw new CFException();
535	>	invoked();
536	>	throw ex;
537		}
538		}
539
540	<	static final class CompletableFutureInc
541	<	implements Function<Integer, CompletableFuture<Integer>> {
542	<	final ExecutionMode m;
543	<	int invocationCount = 0;
470	<	CompletableFutureInc(ExecutionMode m) { this.m = m; }
540	>	static class CompletableFutureInc extends CheckedIntegerAction
541	>	implements Function<Integer, CompletableFuture<Integer>>
542	>	{
543	>	CompletableFutureInc(ExecutionMode m) { super(m); }
544		public CompletableFuture<Integer> apply(Integer x) {
545	<	m.checkExecutionMode();
546	<	invocationCount++;
545	>	invoked();
546	>	value = x;
547		CompletableFuture<Integer> f = new CompletableFuture<>();
548	<	f.complete(inc(x));
548	>	assertTrue(f.complete(inc(x)));
549		return f;
550		}
551		}
552
553	<	static final class FailingCompletableFutureFunction
554	<	implements Function<Integer, CompletableFuture<Integer>> {
555	<	final ExecutionMode m;
556	<	int invocationCount = 0;
557	<	FailingCompletableFutureFunction(ExecutionMode m) { this.m = m; }
553	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
554	>	implements Function<Integer, CompletableFuture<Integer>>
555	>	{
556	>	final CFException ex;
557	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
558		public CompletableFuture<Integer> apply(Integer x) {
559	<	m.checkExecutionMode();
560	<	invocationCount++;
561	<	throw new CFException();
559	>	invoked();
560	>	value = x;
561	>	throw ex;
562	>	}
563	>	}
564	>
565	>	static class CountingRejectingExecutor implements Executor {
566	>	final RejectedExecutionException ex = new RejectedExecutionException();
567	>	final AtomicInteger count = new AtomicInteger(0);
568	>	public void execute(Runnable r) {
569	>	count.getAndIncrement();
570	>	throw ex;
571		}
572		}
573
#	Line 503 | Line 585 | public class CompletableFutureTest exten
585		}
586		}
587
588	+	static final boolean defaultExecutorIsCommonPool
589	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
590	+
591		/**
592		* Permits the testing of parallel code for the 3 different
593	<	* execution modes without repeating all the testing code.
593	>	* execution modes without copy/pasting all the test methods.
594		*/
595		enum ExecutionMode {
596	<	DEFAULT {
596	>	SYNC {
597		public void checkExecutionMode() {
598	+	assertFalse(ThreadExecutor.startedCurrentThread());
599		assertNull(ForkJoinTask.getPool());
600		}
601		public CompletableFuture<Void> runAsync(Runnable a) {
#	Line 583 | Line 669 | public class CompletableFutureTest exten
669
670		ASYNC {
671		public void checkExecutionMode() {
672	<	assertSame(ForkJoinPool.commonPool(),
673	<	ForkJoinTask.getPool());
672	>	assertEquals(defaultExecutorIsCommonPool,
673	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
674		}
675		public CompletableFuture<Void> runAsync(Runnable a) {
676		return CompletableFuture.runAsync(a);
#	Line 780 | Line 866 | public class CompletableFutureTest exten
866		{
867		final AtomicInteger a = new AtomicInteger(0);
868		final CompletableFuture<Integer> f = new CompletableFuture<>();
869	<	if (!createIncomplete) f.complete(v1);
869	>	if (!createIncomplete) assertTrue(f.complete(v1));
870		final CompletableFuture<Integer> g = f.exceptionally
871		((Throwable t) -> {
786	–	// Should not be called
872		a.getAndIncrement();
873	<	throw new AssertionError();
873	>	threadFail("should not be called");
874	>	return null;            // unreached
875		});
876	<	if (createIncomplete) f.complete(v1);
876	>	if (createIncomplete) assertTrue(f.complete(v1));
877
878		checkCompletedNormally(g, v1);
879		checkCompletedNormally(f, v1);
880		assertEquals(0, a.get());
881		}}
882
797	–
883		/**
884		* exceptionally action completes with function value on source
885		* exception
#	Line 809 | Line 894 | public class CompletableFutureTest exten
894		if (!createIncomplete) f.completeExceptionally(ex);
895		final CompletableFuture<Integer> g = f.exceptionally
896		((Throwable t) -> {
897	<	ExecutionMode.DEFAULT.checkExecutionMode();
897	>	ExecutionMode.SYNC.checkExecutionMode();
898		threadAssertSame(t, ex);
899		a.getAndIncrement();
900		return v1;
#	Line 820 | Line 905 | public class CompletableFutureTest exten
905		assertEquals(1, a.get());
906		}}
907
908	+	/**
909	+	* If an "exceptionally action" throws an exception, it completes
910	+	* exceptionally with that exception
911	+	*/
912		public void testExceptionally_exceptionalCompletionActionFailed() {
913		for (boolean createIncomplete : new boolean[] { true, false })
825	–	for (Integer v1 : new Integer[] { 1, null })
914		{
915		final AtomicInteger a = new AtomicInteger(0);
916		final CFException ex1 = new CFException();
#	Line 831 | Line 919 | public class CompletableFutureTest exten
919		if (!createIncomplete) f.completeExceptionally(ex1);
920		final CompletableFuture<Integer> g = f.exceptionally
921		((Throwable t) -> {
922	<	ExecutionMode.DEFAULT.checkExecutionMode();
922	>	ExecutionMode.SYNC.checkExecutionMode();
923		threadAssertSame(t, ex1);
924		a.getAndIncrement();
925		throw ex2;
926		});
927		if (createIncomplete) f.completeExceptionally(ex1);
928
929	<	checkCompletedWithWrappedCFException(g, ex2);
929	>	checkCompletedWithWrappedException(g, ex2);
930	>	checkCompletedExceptionally(f, ex1);
931	>	assertEquals(1, a.get());
932	>	}}
933	>
934	>	/**
935	>	* whenComplete action executes on normal completion, propagating
936	>	* source result.
937	>	*/
938	>	public void testWhenComplete_normalCompletion() {
939	>	for (ExecutionMode m : ExecutionMode.values())
940	>	for (boolean createIncomplete : new boolean[] { true, false })
941	>	for (Integer v1 : new Integer[] { 1, null })
942	>	{
943	>	final AtomicInteger a = new AtomicInteger(0);
944	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
945	>	if (!createIncomplete) assertTrue(f.complete(v1));
946	>	final CompletableFuture<Integer> g = m.whenComplete
947	>	(f,
948	>	(Integer result, Throwable t) -> {
949	>	m.checkExecutionMode();
950	>	threadAssertSame(result, v1);
951	>	threadAssertNull(t);
952	>	a.getAndIncrement();
953	>	});
954	>	if (createIncomplete) assertTrue(f.complete(v1));
955	>
956	>	checkCompletedNormally(g, v1);
957	>	checkCompletedNormally(f, v1);
958	>	assertEquals(1, a.get());
959	>	}}
960	>
961	>	/**
962	>	* whenComplete action executes on exceptional completion, propagating
963	>	* source result.
964	>	*/
965	>	public void testWhenComplete_exceptionalCompletion() {
966	>	for (ExecutionMode m : ExecutionMode.values())
967	>	for (boolean createIncomplete : new boolean[] { true, false })
968	>	{
969	>	final AtomicInteger a = new AtomicInteger(0);
970	>	final CFException ex = new CFException();
971	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
972	>	if (!createIncomplete) f.completeExceptionally(ex);
973	>	final CompletableFuture<Integer> g = m.whenComplete
974	>	(f,
975	>	(Integer result, Throwable t) -> {
976	>	m.checkExecutionMode();
977	>	threadAssertNull(result);
978	>	threadAssertSame(t, ex);
979	>	a.getAndIncrement();
980	>	});
981	>	if (createIncomplete) f.completeExceptionally(ex);
982	>
983	>	checkCompletedWithWrappedException(g, ex);
984	>	checkCompletedExceptionally(f, ex);
985	>	assertEquals(1, a.get());
986	>	}}
987	>
988	>	/**
989	>	* whenComplete action executes on cancelled source, propagating
990	>	* CancellationException.
991	>	*/
992	>	public void testWhenComplete_sourceCancelled() {
993	>	for (ExecutionMode m : ExecutionMode.values())
994	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
995	>	for (boolean createIncomplete : new boolean[] { true, false })
996	>	{
997	>	final AtomicInteger a = new AtomicInteger(0);
998	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
999	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1000	>	final CompletableFuture<Integer> g = m.whenComplete
1001	>	(f,
1002	>	(Integer result, Throwable t) -> {
1003	>	m.checkExecutionMode();
1004	>	threadAssertNull(result);
1005	>	threadAssertTrue(t instanceof CancellationException);
1006	>	a.getAndIncrement();
1007	>	});
1008	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1009	>
1010	>	checkCompletedWithWrappedCancellationException(g);
1011	>	checkCancelled(f);
1012	>	assertEquals(1, a.get());
1013	>	}}
1014	>
1015	>	/**
1016	>	* If a whenComplete action throws an exception when triggered by
1017	>	* a normal completion, it completes exceptionally
1018	>	*/
1019	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1020	>	for (boolean createIncomplete : new boolean[] { true, false })
1021	>	for (ExecutionMode m : ExecutionMode.values())
1022	>	for (Integer v1 : new Integer[] { 1, null })
1023	>	{
1024	>	final AtomicInteger a = new AtomicInteger(0);
1025	>	final CFException ex = new CFException();
1026	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1027	>	if (!createIncomplete) assertTrue(f.complete(v1));
1028	>	final CompletableFuture<Integer> g = m.whenComplete
1029	>	(f,
1030	>	(Integer result, Throwable t) -> {
1031	>	m.checkExecutionMode();
1032	>	threadAssertSame(result, v1);
1033	>	threadAssertNull(t);
1034	>	a.getAndIncrement();
1035	>	throw ex;
1036	>	});
1037	>	if (createIncomplete) assertTrue(f.complete(v1));
1038	>
1039	>	checkCompletedWithWrappedException(g, ex);
1040	>	checkCompletedNormally(f, v1);
1041	>	assertEquals(1, a.get());
1042	>	}}
1043	>
1044	>	/**
1045	>	* If a whenComplete action throws an exception when triggered by
1046	>	* a source completion that also throws an exception, the source
1047	>	* exception takes precedence (unlike handle)
1048	>	*/
1049	>	public void testWhenComplete_sourceFailedActionFailed() {
1050	>	for (boolean createIncomplete : new boolean[] { true, false })
1051	>	for (ExecutionMode m : ExecutionMode.values())
1052	>	{
1053	>	final AtomicInteger a = new AtomicInteger(0);
1054	>	final CFException ex1 = new CFException();
1055	>	final CFException ex2 = new CFException();
1056	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1057	>
1058	>	if (!createIncomplete) f.completeExceptionally(ex1);
1059	>	final CompletableFuture<Integer> g = m.whenComplete
1060	>	(f,
1061	>	(Integer result, Throwable t) -> {
1062	>	m.checkExecutionMode();
1063	>	threadAssertSame(t, ex1);
1064	>	threadAssertNull(result);
1065	>	a.getAndIncrement();
1066	>	throw ex2;
1067	>	});
1068	>	if (createIncomplete) f.completeExceptionally(ex1);
1069	>
1070	>	checkCompletedWithWrappedException(g, ex1);
1071	>	checkCompletedExceptionally(f, ex1);
1072	>	if (testImplementationDetails) {
1073	>	assertEquals(1, ex1.getSuppressed().length);
1074	>	assertSame(ex2, ex1.getSuppressed()[0]);
1075	>	}
1076		assertEquals(1, a.get());
1077		}}
1078
#	Line 853 | Line 1087 | public class CompletableFutureTest exten
1087		{
1088		final CompletableFuture<Integer> f = new CompletableFuture<>();
1089		final AtomicInteger a = new AtomicInteger(0);
1090	<	if (!createIncomplete) f.complete(v1);
1090	>	if (!createIncomplete) assertTrue(f.complete(v1));
1091		final CompletableFuture<Integer> g = m.handle
1092		(f,
1093	<	(Integer x, Throwable t) -> {
1093	>	(Integer result, Throwable t) -> {
1094		m.checkExecutionMode();
1095	<	threadAssertSame(x, v1);
1095	>	threadAssertSame(result, v1);
1096		threadAssertNull(t);
1097		a.getAndIncrement();
1098		return inc(v1);
1099		});
1100	<	if (createIncomplete) f.complete(v1);
1100	>	if (createIncomplete) assertTrue(f.complete(v1));
1101
1102		checkCompletedNormally(g, inc(v1));
1103		checkCompletedNormally(f, v1);
#	Line 885 | Line 1119 | public class CompletableFutureTest exten
1119		if (!createIncomplete) f.completeExceptionally(ex);
1120		final CompletableFuture<Integer> g = m.handle
1121		(f,
1122	<	(Integer x, Throwable t) -> {
1122	>	(Integer result, Throwable t) -> {
1123		m.checkExecutionMode();
1124	<	threadAssertNull(x);
1124	>	threadAssertNull(result);
1125		threadAssertSame(t, ex);
1126		a.getAndIncrement();
1127		return v1;
#	Line 895 | Line 1129 | public class CompletableFutureTest exten
1129		if (createIncomplete) f.completeExceptionally(ex);
1130
1131		checkCompletedNormally(g, v1);
1132	<	checkCompletedWithWrappedCFException(f, ex);
1132	>	checkCompletedExceptionally(f, ex);
1133		assertEquals(1, a.get());
1134		}}
1135
#	Line 914 | Line 1148 | public class CompletableFutureTest exten
1148		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1149		final CompletableFuture<Integer> g = m.handle
1150		(f,
1151	<	(Integer x, Throwable t) -> {
1151	>	(Integer result, Throwable t) -> {
1152		m.checkExecutionMode();
1153	<	threadAssertNull(x);
1153	>	threadAssertNull(result);
1154		threadAssertTrue(t instanceof CancellationException);
1155		a.getAndIncrement();
1156		return v1;
#	Line 929 | Line 1163 | public class CompletableFutureTest exten
1163		}}
1164
1165		/**
1166	<	* handle result completes exceptionally if action does
1166	>	* If a "handle action" throws an exception when triggered by
1167	>	* a normal completion, it completes exceptionally
1168		*/
1169	<	public void testHandle_sourceFailedActionFailed() {
1169	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1170		for (ExecutionMode m : ExecutionMode.values())
1171		for (boolean createIncomplete : new boolean[] { true, false })
1172	+	for (Integer v1 : new Integer[] { 1, null })
1173		{
1174		final CompletableFuture<Integer> f = new CompletableFuture<>();
1175		final AtomicInteger a = new AtomicInteger(0);
1176	<	final CFException ex1 = new CFException();
1177	<	final CFException ex2 = new CFException();
942	<	if (!createIncomplete) f.completeExceptionally(ex1);
1176	>	final CFException ex = new CFException();
1177	>	if (!createIncomplete) assertTrue(f.complete(v1));
1178		final CompletableFuture<Integer> g = m.handle
1179		(f,
1180	<	(Integer x, Throwable t) -> {
1180	>	(Integer result, Throwable t) -> {
1181		m.checkExecutionMode();
1182	<	threadAssertNull(x);
1183	<	threadAssertSame(ex1, t);
1182	>	threadAssertSame(result, v1);
1183	>	threadAssertNull(t);
1184		a.getAndIncrement();
1185	<	throw ex2;
1185	>	throw ex;
1186		});
1187	<	if (createIncomplete) f.completeExceptionally(ex1);
1187	>	if (createIncomplete) assertTrue(f.complete(v1));
1188
1189	<	checkCompletedWithWrappedCFException(g, ex2);
1190	<	checkCompletedWithWrappedCFException(f, ex1);
1189	>	checkCompletedWithWrappedException(g, ex);
1190	>	checkCompletedNormally(f, v1);
1191		assertEquals(1, a.get());
1192		}}
1193
1194	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1195	<	for (ExecutionMode m : ExecutionMode.values())
1194	>	/**
1195	>	* If a "handle action" throws an exception when triggered by
1196	>	* a source completion that also throws an exception, the action
1197	>	* exception takes precedence (unlike whenComplete)
1198	>	*/
1199	>	public void testHandle_sourceFailedActionFailed() {
1200		for (boolean createIncomplete : new boolean[] { true, false })
1201	<	for (Integer v1 : new Integer[] { 1, null })
1201	>	for (ExecutionMode m : ExecutionMode.values())
1202		{
964	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1203		final AtomicInteger a = new AtomicInteger(0);
1204	<	final CFException ex = new CFException();
1205	<	if (!createIncomplete) f.complete(v1);
1204	>	final CFException ex1 = new CFException();
1205	>	final CFException ex2 = new CFException();
1206	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1207	>
1208	>	if (!createIncomplete) f.completeExceptionally(ex1);
1209		final CompletableFuture<Integer> g = m.handle
1210		(f,
1211	<	(Integer x, Throwable t) -> {
1211	>	(Integer result, Throwable t) -> {
1212		m.checkExecutionMode();
1213	<	threadAssertSame(x, v1);
1214	<	threadAssertNull(t);
1213	>	threadAssertNull(result);
1214	>	threadAssertSame(ex1, t);
1215		a.getAndIncrement();
1216	<	throw ex;
1216	>	throw ex2;
1217		});
1218	<	if (createIncomplete) f.complete(v1);
1218	>	if (createIncomplete) f.completeExceptionally(ex1);
1219
1220	<	checkCompletedWithWrappedCFException(g, ex);
1221	<	checkCompletedNormally(f, v1);
1220	>	checkCompletedWithWrappedException(g, ex2);
1221	>	checkCompletedExceptionally(f, ex1);
1222		assertEquals(1, a.get());
1223		}}
1224
#	Line 995 | Line 1236 | public class CompletableFutureTest exten
1236		final CompletableFuture<Void> f = m.runAsync(r);
1237		assertNull(f.join());
1238		checkCompletedNormally(f, null);
1239	<	assertEquals(1, r.invocationCount);
1239	>	r.assertInvoked();
1240		}}
1241
1242		/**
#	Line 1010 | Line 1251 | public class CompletableFutureTest exten
1251		{
1252		final FailingRunnable r = new FailingRunnable(m);
1253		final CompletableFuture<Void> f = m.runAsync(r);
1254	<	checkCompletedWithWrappedCFException(f);
1255	<	assertEquals(1, r.invocationCount);
1254	>	checkCompletedWithWrappedException(f, r.ex);
1255	>	r.assertInvoked();
1256		}}
1257
1258	+	@SuppressWarnings("FutureReturnValueIgnored")
1259	+	public void testRunAsync_rejectingExecutor() {
1260	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1261	+	try {
1262	+	CompletableFuture.runAsync(() -> {}, e);
1263	+	shouldThrow();
1264	+	} catch (Throwable t) {
1265	+	assertSame(e.ex, t);
1266	+	}
1267	+
1268	+	assertEquals(1, e.count.get());
1269	+	}
1270	+
1271		/**
1272		* supplyAsync completes with result of supplier
1273		*/
#	Line 1029 | Line 1283 | public class CompletableFutureTest exten
1283		final CompletableFuture<Integer> f = m.supplyAsync(r);
1284		assertSame(v1, f.join());
1285		checkCompletedNormally(f, v1);
1286	<	assertEquals(1, r.invocationCount);
1286	>	r.assertInvoked();
1287		}}
1288
1289		/**
#	Line 1044 | Line 1298 | public class CompletableFutureTest exten
1298		{
1299		FailingSupplier r = new FailingSupplier(m);
1300		CompletableFuture<Integer> f = m.supplyAsync(r);
1301	<	checkCompletedWithWrappedCFException(f);
1302	<	assertEquals(1, r.invocationCount);
1301	>	checkCompletedWithWrappedException(f, r.ex);
1302	>	r.assertInvoked();
1303		}}
1304
1305	+	@SuppressWarnings("FutureReturnValueIgnored")
1306	+	public void testSupplyAsync_rejectingExecutor() {
1307	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1308	+	try {
1309	+	CompletableFuture.supplyAsync(() -> null, e);
1310	+	shouldThrow();
1311	+	} catch (Throwable t) {
1312	+	assertSame(e.ex, t);
1313	+	}
1314	+
1315	+	assertEquals(1, e.count.get());
1316	+	}
1317	+
1318		// seq completion methods
1319
1320		/**
#	Line 1055 | Line 1322 | public class CompletableFutureTest exten
1322		*/
1323		public void testThenRun_normalCompletion() {
1324		for (ExecutionMode m : ExecutionMode.values())
1058	–	for (boolean createIncomplete : new boolean[] { true, false })
1325		for (Integer v1 : new Integer[] { 1, null })
1326		{
1327		final CompletableFuture<Integer> f = new CompletableFuture<>();
1328	<	final Noop r = new Noop(m);
1329	<	if (!createIncomplete) f.complete(v1);
1064	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1065	<	if (createIncomplete) {
1066	<	checkIncomplete(g);
1067	<	f.complete(v1);
1068	<	}
1328	>	final Noop[] rs = new Noop[6];
1329	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1330
1331	<	checkCompletedNormally(g, null);
1331	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1332	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1333	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1334	>	checkIncomplete(h0);
1335	>	checkIncomplete(h1);
1336	>	checkIncomplete(h2);
1337	>	assertTrue(f.complete(v1));
1338	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1339	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1340	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1341	>
1342	>	checkCompletedNormally(h0, null);
1343	>	checkCompletedNormally(h1, null);
1344	>	checkCompletedNormally(h2, null);
1345	>	checkCompletedNormally(h3, null);
1346	>	checkCompletedNormally(h4, null);
1347	>	checkCompletedNormally(h5, null);
1348		checkCompletedNormally(f, v1);
1349	<	assertEquals(1, r.invocationCount);
1349	>	for (Noop r : rs) r.assertInvoked();
1350		}}
1351
1352		/**
#	Line 1078 | Line 1355 | public class CompletableFutureTest exten
1355		*/
1356		public void testThenRun_exceptionalCompletion() {
1357		for (ExecutionMode m : ExecutionMode.values())
1081	–	for (boolean createIncomplete : new boolean[] { true, false })
1358		{
1359		final CFException ex = new CFException();
1360		final CompletableFuture<Integer> f = new CompletableFuture<>();
1361	<	final Noop r = new Noop(m);
1362	<	if (!createIncomplete) f.completeExceptionally(ex);
1087	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1088	<	if (createIncomplete) {
1089	<	checkIncomplete(g);
1090	<	f.completeExceptionally(ex);
1091	<	}
1361	>	final Noop[] rs = new Noop[6];
1362	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1363
1364	<	checkCompletedWithWrappedCFException(g, ex);
1365	<	checkCompletedWithWrappedCFException(f, ex);
1366	<	assertEquals(0, r.invocationCount);
1364	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1365	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1366	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1367	>	checkIncomplete(h0);
1368	>	checkIncomplete(h1);
1369	>	checkIncomplete(h2);
1370	>	assertTrue(f.completeExceptionally(ex));
1371	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1372	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1373	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1374	>
1375	>	checkCompletedWithWrappedException(h0, ex);
1376	>	checkCompletedWithWrappedException(h1, ex);
1377	>	checkCompletedWithWrappedException(h2, ex);
1378	>	checkCompletedWithWrappedException(h3, ex);
1379	>	checkCompletedWithWrappedException(h4, ex);
1380	>	checkCompletedWithWrappedException(h5, ex);
1381	>	checkCompletedExceptionally(f, ex);
1382	>	for (Noop r : rs) r.assertNotInvoked();
1383		}}
1384
1385		/**
#	Line 1100 | Line 1387 | public class CompletableFutureTest exten
1387		*/
1388		public void testThenRun_sourceCancelled() {
1389		for (ExecutionMode m : ExecutionMode.values())
1103	–	for (boolean createIncomplete : new boolean[] { true, false })
1390		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1391		{
1392		final CompletableFuture<Integer> f = new CompletableFuture<>();
1393	<	final Noop r = new Noop(m);
1394	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1109	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1110	<	if (createIncomplete) {
1111	<	checkIncomplete(g);
1112	<	assertTrue(f.cancel(mayInterruptIfRunning));
1113	<	}
1393	>	final Noop[] rs = new Noop[6];
1394	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1395
1396	<	checkCompletedWithWrappedCancellationException(g);
1396	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1397	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1398	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1399	>	checkIncomplete(h0);
1400	>	checkIncomplete(h1);
1401	>	checkIncomplete(h2);
1402	>	assertTrue(f.cancel(mayInterruptIfRunning));
1403	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1404	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1405	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1406	>
1407	>	checkCompletedWithWrappedCancellationException(h0);
1408	>	checkCompletedWithWrappedCancellationException(h1);
1409	>	checkCompletedWithWrappedCancellationException(h2);
1410	>	checkCompletedWithWrappedCancellationException(h3);
1411	>	checkCompletedWithWrappedCancellationException(h4);
1412	>	checkCompletedWithWrappedCancellationException(h5);
1413		checkCancelled(f);
1414	<	assertEquals(0, r.invocationCount);
1414	>	for (Noop r : rs) r.assertNotInvoked();
1415		}}
1416
1417		/**
#	Line 1122 | Line 1419 | public class CompletableFutureTest exten
1419		*/
1420		public void testThenRun_actionFailed() {
1421		for (ExecutionMode m : ExecutionMode.values())
1125	–	for (boolean createIncomplete : new boolean[] { true, false })
1422		for (Integer v1 : new Integer[] { 1, null })
1423		{
1424		final CompletableFuture<Integer> f = new CompletableFuture<>();
1425	<	final FailingRunnable r = new FailingRunnable(m);
1426	<	if (!createIncomplete) f.complete(v1);
1131	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1132	<	if (createIncomplete) {
1133	<	checkIncomplete(g);
1134	<	f.complete(v1);
1135	<	}
1425	>	final FailingRunnable[] rs = new FailingRunnable[6];
1426	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1427
1428	<	checkCompletedWithWrappedCFException(g);
1428	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1429	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1430	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1431	>	assertTrue(f.complete(v1));
1432	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1433	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1434	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1435	>
1436	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1437	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1438	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1439	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1440	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1441	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1442		checkCompletedNormally(f, v1);
1443		}}
1444
#	Line 1143 | Line 1447 | public class CompletableFutureTest exten
1447		*/
1448		public void testThenApply_normalCompletion() {
1449		for (ExecutionMode m : ExecutionMode.values())
1146	–	for (boolean createIncomplete : new boolean[] { true, false })
1450		for (Integer v1 : new Integer[] { 1, null })
1451		{
1452		final CompletableFuture<Integer> f = new CompletableFuture<>();
1453	<	final IncFunction r = new IncFunction(m);
1454	<	if (!createIncomplete) f.complete(v1);
1152	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1153	<	if (createIncomplete) {
1154	<	checkIncomplete(g);
1155	<	f.complete(v1);
1156	<	}
1453	>	final IncFunction[] rs = new IncFunction[4];
1454	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1455
1456	<	checkCompletedNormally(g, inc(v1));
1456	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1457	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1458	>	checkIncomplete(h0);
1459	>	checkIncomplete(h1);
1460	>	assertTrue(f.complete(v1));
1461	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1462	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1463	>
1464	>	checkCompletedNormally(h0, inc(v1));
1465	>	checkCompletedNormally(h1, inc(v1));
1466	>	checkCompletedNormally(h2, inc(v1));
1467	>	checkCompletedNormally(h3, inc(v1));
1468		checkCompletedNormally(f, v1);
1469	<	assertEquals(1, r.invocationCount);
1469	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1470		}}
1471
1472		/**
#	Line 1166 | Line 1475 | public class CompletableFutureTest exten
1475		*/
1476		public void testThenApply_exceptionalCompletion() {
1477		for (ExecutionMode m : ExecutionMode.values())
1169	–	for (boolean createIncomplete : new boolean[] { true, false })
1478		{
1479		final CFException ex = new CFException();
1480		final CompletableFuture<Integer> f = new CompletableFuture<>();
1481	<	final IncFunction r = new IncFunction(m);
1482	<	if (!createIncomplete) f.completeExceptionally(ex);
1175	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1176	<	if (createIncomplete) {
1177	<	checkIncomplete(g);
1178	<	f.completeExceptionally(ex);
1179	<	}
1481	>	final IncFunction[] rs = new IncFunction[4];
1482	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1483
1484	<	checkCompletedWithWrappedCFException(g, ex);
1485	<	checkCompletedWithWrappedCFException(f, ex);
1486	<	assertEquals(0, r.invocationCount);
1484	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1485	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1486	>	assertTrue(f.completeExceptionally(ex));
1487	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1488	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1489	>
1490	>	checkCompletedWithWrappedException(h0, ex);
1491	>	checkCompletedWithWrappedException(h1, ex);
1492	>	checkCompletedWithWrappedException(h2, ex);
1493	>	checkCompletedWithWrappedException(h3, ex);
1494	>	checkCompletedExceptionally(f, ex);
1495	>	for (IncFunction r : rs) r.assertNotInvoked();
1496		}}
1497
1498		/**
#	Line 1188 | Line 1500 | public class CompletableFutureTest exten
1500		*/
1501		public void testThenApply_sourceCancelled() {
1502		for (ExecutionMode m : ExecutionMode.values())
1191	–	for (boolean createIncomplete : new boolean[] { true, false })
1503		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1504		{
1505		final CompletableFuture<Integer> f = new CompletableFuture<>();
1506	<	final IncFunction r = new IncFunction(m);
1507	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1197	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1198	<	if (createIncomplete) {
1199	<	checkIncomplete(g);
1200	<	assertTrue(f.cancel(mayInterruptIfRunning));
1201	<	}
1506	>	final IncFunction[] rs = new IncFunction[4];
1507	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1508
1509	<	checkCompletedWithWrappedCancellationException(g);
1509	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1510	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1511	>	assertTrue(f.cancel(mayInterruptIfRunning));
1512	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1513	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1514	>
1515	>	checkCompletedWithWrappedCancellationException(h0);
1516	>	checkCompletedWithWrappedCancellationException(h1);
1517	>	checkCompletedWithWrappedCancellationException(h2);
1518	>	checkCompletedWithWrappedCancellationException(h3);
1519		checkCancelled(f);
1520	<	assertEquals(0, r.invocationCount);
1520	>	for (IncFunction r : rs) r.assertNotInvoked();
1521		}}
1522
1523		/**
#	Line 1210 | Line 1525 | public class CompletableFutureTest exten
1525		*/
1526		public void testThenApply_actionFailed() {
1527		for (ExecutionMode m : ExecutionMode.values())
1213	–	for (boolean createIncomplete : new boolean[] { true, false })
1528		for (Integer v1 : new Integer[] { 1, null })
1529		{
1530		final CompletableFuture<Integer> f = new CompletableFuture<>();
1531	<	final FailingFunction r = new FailingFunction(m);
1532	<	if (!createIncomplete) f.complete(v1);
1219	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1220	<	if (createIncomplete) {
1221	<	checkIncomplete(g);
1222	<	f.complete(v1);
1223	<	}
1531	>	final FailingFunction[] rs = new FailingFunction[4];
1532	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1533
1534	<	checkCompletedWithWrappedCFException(g);
1534	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1535	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1536	>	assertTrue(f.complete(v1));
1537	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1538	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1539	>
1540	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1541	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1542	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1543	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1544		checkCompletedNormally(f, v1);
1545		}}
1546
#	Line 1231 | Line 1549 | public class CompletableFutureTest exten
1549		*/
1550		public void testThenAccept_normalCompletion() {
1551		for (ExecutionMode m : ExecutionMode.values())
1234	–	for (boolean createIncomplete : new boolean[] { true, false })
1552		for (Integer v1 : new Integer[] { 1, null })
1553		{
1554		final CompletableFuture<Integer> f = new CompletableFuture<>();
1555	<	final IncAction r = new IncAction();
1556	<	if (!createIncomplete) f.complete(v1);
1240	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1241	<	if (createIncomplete) {
1242	<	checkIncomplete(g);
1243	<	f.complete(v1);
1244	<	}
1555	>	final NoopConsumer[] rs = new NoopConsumer[4];
1556	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1557
1558	<	checkCompletedNormally(g, null);
1558	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1559	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1560	>	checkIncomplete(h0);
1561	>	checkIncomplete(h1);
1562	>	assertTrue(f.complete(v1));
1563	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1564	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1565	>
1566	>	checkCompletedNormally(h0, null);
1567	>	checkCompletedNormally(h1, null);
1568	>	checkCompletedNormally(h2, null);
1569	>	checkCompletedNormally(h3, null);
1570		checkCompletedNormally(f, v1);
1571	<	assertEquals(1, r.invocationCount);
1249	<	assertEquals(inc(v1), r.value);
1571	>	for (NoopConsumer r : rs) r.assertValue(v1);
1572		}}
1573
1574		/**
#	Line 1255 | Line 1577 | public class CompletableFutureTest exten
1577		*/
1578		public void testThenAccept_exceptionalCompletion() {
1579		for (ExecutionMode m : ExecutionMode.values())
1258	–	for (boolean createIncomplete : new boolean[] { true, false })
1580		{
1581		final CFException ex = new CFException();
1582		final CompletableFuture<Integer> f = new CompletableFuture<>();
1583	<	final IncAction r = new IncAction();
1584	<	if (!createIncomplete) f.completeExceptionally(ex);
1264	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1265	<	if (createIncomplete) {
1266	<	checkIncomplete(g);
1267	<	f.completeExceptionally(ex);
1268	<	}
1583	>	final NoopConsumer[] rs = new NoopConsumer[4];
1584	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1585
1586	<	checkCompletedWithWrappedCFException(g, ex);
1587	<	checkCompletedWithWrappedCFException(f, ex);
1588	<	assertEquals(0, r.invocationCount);
1586	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1587	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1588	>	assertTrue(f.completeExceptionally(ex));
1589	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1590	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1591	>
1592	>	checkCompletedWithWrappedException(h0, ex);
1593	>	checkCompletedWithWrappedException(h1, ex);
1594	>	checkCompletedWithWrappedException(h2, ex);
1595	>	checkCompletedWithWrappedException(h3, ex);
1596	>	checkCompletedExceptionally(f, ex);
1597	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1598		}}
1599
1600		/**
1601	<	* thenAccept result completes exceptionally if action does
1601	>	* thenAccept result completes exceptionally if source cancelled
1602		*/
1603	<	public void testThenAccept_actionFailed() {
1603	>	public void testThenAccept_sourceCancelled() {
1604		for (ExecutionMode m : ExecutionMode.values())
1605	<	for (boolean createIncomplete : new boolean[] { true, false })
1281	<	for (Integer v1 : new Integer[] { 1, null })
1605	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1606		{
1607		final CompletableFuture<Integer> f = new CompletableFuture<>();
1608	<	final FailingConsumer r = new FailingConsumer(m);
1609	<	if (!createIncomplete) f.complete(v1);
1286	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1287	<	if (createIncomplete) {
1288	<	checkIncomplete(g);
1289	<	f.complete(v1);
1290	<	}
1608	>	final NoopConsumer[] rs = new NoopConsumer[4];
1609	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1610
1611	<	checkCompletedWithWrappedCFException(g);
1612	<	checkCompletedNormally(f, v1);
1611	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1612	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1613	>	assertTrue(f.cancel(mayInterruptIfRunning));
1614	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1615	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1616	>
1617	>	checkCompletedWithWrappedCancellationException(h0);
1618	>	checkCompletedWithWrappedCancellationException(h1);
1619	>	checkCompletedWithWrappedCancellationException(h2);
1620	>	checkCompletedWithWrappedCancellationException(h3);
1621	>	checkCancelled(f);
1622	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1623		}}
1624
1625		/**
1626	<	* thenAccept result completes exceptionally if source cancelled
1626	>	* thenAccept result completes exceptionally if action does
1627		*/
1628	<	public void testThenAccept_sourceCancelled() {
1628	>	public void testThenAccept_actionFailed() {
1629		for (ExecutionMode m : ExecutionMode.values())
1630	<	for (boolean createIncomplete : new boolean[] { true, false })
1302	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1630	>	for (Integer v1 : new Integer[] { 1, null })
1631		{
1632		final CompletableFuture<Integer> f = new CompletableFuture<>();
1633	<	final IncAction r = new IncAction();
1634	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1307	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1308	<	if (createIncomplete) {
1309	<	checkIncomplete(g);
1310	<	assertTrue(f.cancel(mayInterruptIfRunning));
1311	<	}
1633	>	final FailingConsumer[] rs = new FailingConsumer[4];
1634	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1635
1636	<	checkCompletedWithWrappedCancellationException(g);
1637	<	checkCancelled(f);
1638	<	assertEquals(0, r.invocationCount);
1636	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1637	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1638	>	assertTrue(f.complete(v1));
1639	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1640	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1641	>
1642	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1643	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1644	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1645	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1646	>	checkCompletedNormally(f, v1);
1647		}}
1648
1649		/**
#	Line 1321 | Line 1652 | public class CompletableFutureTest exten
1652		*/
1653		public void testThenCombine_normalCompletion() {
1654		for (ExecutionMode m : ExecutionMode.values())
1324	–	for (boolean createIncomplete : new boolean[] { true, false })
1655		for (boolean fFirst : new boolean[] { true, false })
1656		for (Integer v1 : new Integer[] { 1, null })
1657		for (Integer v2 : new Integer[] { 2, null })
1658		{
1659		final CompletableFuture<Integer> f = new CompletableFuture<>();
1660		final CompletableFuture<Integer> g = new CompletableFuture<>();
1661	<	final SubtractFunction r = new SubtractFunction(m);
1661	>	final SubtractFunction[] rs = new SubtractFunction[6];
1662	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1663
1664	<	if (fFirst) f.complete(v1); else g.complete(v2);
1665	<	if (!createIncomplete)
1666	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1667	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1668	<	if (createIncomplete) {
1669	<	checkIncomplete(h);
1670	<	assertEquals(0, r.invocationCount);
1671	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1672	<	}
1664	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1665	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1666	>	final Integer w1 =  fFirst ? v1 : v2;
1667	>	final Integer w2 = !fFirst ? v1 : v2;
1668	>
1669	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1670	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1671	>	assertTrue(fst.complete(w1));
1672	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1673	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1674	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1675	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1676	>	checkCompletedNormally(h1, subtract(w1, w1));
1677	>	checkCompletedNormally(h3, subtract(w1, w1));
1678	>	rs[1].assertValue(subtract(w1, w1));
1679	>	rs[3].assertValue(subtract(w1, w1));
1680	>	assertTrue(snd.complete(w2));
1681	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1682	>
1683	>	checkCompletedNormally(h0, subtract(v1, v2));
1684	>	checkCompletedNormally(h2, subtract(v1, v2));
1685	>	checkCompletedNormally(h4, subtract(v1, v2));
1686	>	rs[0].assertValue(subtract(v1, v2));
1687	>	rs[2].assertValue(subtract(v1, v2));
1688	>	rs[4].assertValue(subtract(v1, v2));
1689
1343	–	checkCompletedNormally(h, subtract(v1, v2));
1690		checkCompletedNormally(f, v1);
1691		checkCompletedNormally(g, v2);
1346	–	assertEquals(1, r.invocationCount);
1692		}}
1693
1694		/**
1695		* thenCombine result completes exceptionally after exceptional
1696		* completion of either source
1697		*/
1698	<	public void testThenCombine_exceptionalCompletion() {
1698	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1699		for (ExecutionMode m : ExecutionMode.values())
1355	–	for (boolean createIncomplete : new boolean[] { true, false })
1700		for (boolean fFirst : new boolean[] { true, false })
1701	+	for (boolean failFirst : new boolean[] { true, false })
1702		for (Integer v1 : new Integer[] { 1, null })
1703		{
1704		final CompletableFuture<Integer> f = new CompletableFuture<>();
1705		final CompletableFuture<Integer> g = new CompletableFuture<>();
1706		final CFException ex = new CFException();
1707	<	final SubtractFunction r = new SubtractFunction(m);
1708	<
1709	<	(fFirst ? f : g).complete(v1);
1710	<	if (!createIncomplete)
1711	<	(!fFirst ? f : g).completeExceptionally(ex);
1712	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1713	<	if (createIncomplete) {
1714	<	checkIncomplete(h);
1715	<	(!fFirst ? f : g).completeExceptionally(ex);
1716	<	}
1717	<
1718	<	checkCompletedWithWrappedCFException(h, ex);
1719	<	assertEquals(0, r.invocationCount);
1720	<	checkCompletedNormally(fFirst ? f : g, v1);
1721	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1707	>	final SubtractFunction r1 = new SubtractFunction(m);
1708	>	final SubtractFunction r2 = new SubtractFunction(m);
1709	>	final SubtractFunction r3 = new SubtractFunction(m);
1710	>
1711	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1712	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1713	>	final Callable<Boolean> complete1 = failFirst ?
1714	>	() -> fst.completeExceptionally(ex) :
1715	>	() -> fst.complete(v1);
1716	>	final Callable<Boolean> complete2 = failFirst ?
1717	>	() -> snd.complete(v1) :
1718	>	() -> snd.completeExceptionally(ex);
1719	>
1720	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1721	>	assertTrue(complete1.call());
1722	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1723	>	checkIncomplete(h1);
1724	>	checkIncomplete(h2);
1725	>	assertTrue(complete2.call());
1726	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1727	>
1728	>	checkCompletedWithWrappedException(h1, ex);
1729	>	checkCompletedWithWrappedException(h2, ex);
1730	>	checkCompletedWithWrappedException(h3, ex);
1731	>	r1.assertNotInvoked();
1732	>	r2.assertNotInvoked();
1733	>	r3.assertNotInvoked();
1734	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1735	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1736		}}
1737
1738		/**
1739	<	* thenCombine result completes exceptionally if action does
1739	>	* thenCombine result completes exceptionally if either source cancelled
1740		*/
1741	<	public void testThenCombine_actionFailed() {
1741	>	public void testThenCombine_sourceCancelled() throws Throwable {
1742		for (ExecutionMode m : ExecutionMode.values())
1743	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1744		for (boolean fFirst : new boolean[] { true, false })
1745	+	for (boolean failFirst : new boolean[] { true, false })
1746		for (Integer v1 : new Integer[] { 1, null })
1386	–	for (Integer v2 : new Integer[] { 2, null })
1747		{
1748		final CompletableFuture<Integer> f = new CompletableFuture<>();
1749		final CompletableFuture<Integer> g = new CompletableFuture<>();
1750	<	final FailingBiFunction r = new FailingBiFunction(m);
1751	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1752	<
1753	<	if (fFirst) {
1754	<	f.complete(v1);
1755	<	g.complete(v2);
1756	<	} else {
1757	<	g.complete(v2);
1758	<	f.complete(v1);
1759	<	}
1760	<
1761	<	checkCompletedWithWrappedCFException(h);
1762	<	checkCompletedNormally(f, v1);
1763	<	checkCompletedNormally(g, v2);
1750	>	final SubtractFunction r1 = new SubtractFunction(m);
1751	>	final SubtractFunction r2 = new SubtractFunction(m);
1752	>	final SubtractFunction r3 = new SubtractFunction(m);
1753	>
1754	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1755	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1756	>	final Callable<Boolean> complete1 = failFirst ?
1757	>	() -> fst.cancel(mayInterruptIfRunning) :
1758	>	() -> fst.complete(v1);
1759	>	final Callable<Boolean> complete2 = failFirst ?
1760	>	() -> snd.complete(v1) :
1761	>	() -> snd.cancel(mayInterruptIfRunning);
1762	>
1763	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1764	>	assertTrue(complete1.call());
1765	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1766	>	checkIncomplete(h1);
1767	>	checkIncomplete(h2);
1768	>	assertTrue(complete2.call());
1769	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1770	>
1771	>	checkCompletedWithWrappedCancellationException(h1);
1772	>	checkCompletedWithWrappedCancellationException(h2);
1773	>	checkCompletedWithWrappedCancellationException(h3);
1774	>	r1.assertNotInvoked();
1775	>	r2.assertNotInvoked();
1776	>	r3.assertNotInvoked();
1777	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1778	>	checkCancelled(failFirst ? fst : snd);
1779		}}
1780
1781		/**
1782	<	* thenCombine result completes exceptionally if either source cancelled
1782	>	* thenCombine result completes exceptionally if action does
1783		*/
1784	<	public void testThenCombine_sourceCancelled() {
1784	>	public void testThenCombine_actionFailed() {
1785		for (ExecutionMode m : ExecutionMode.values())
1411	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1412	–	for (boolean createIncomplete : new boolean[] { true, false })
1786		for (boolean fFirst : new boolean[] { true, false })
1787		for (Integer v1 : new Integer[] { 1, null })
1788	+	for (Integer v2 : new Integer[] { 2, null })
1789		{
1790		final CompletableFuture<Integer> f = new CompletableFuture<>();
1791		final CompletableFuture<Integer> g = new CompletableFuture<>();
1792	<	final SubtractFunction r = new SubtractFunction(m);
1793	<
1794	<	(fFirst ? f : g).complete(v1);
1795	<	if (!createIncomplete)
1796	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1797	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1798	<	if (createIncomplete) {
1799	<	checkIncomplete(h);
1800	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1801	<	}
1802	<
1803	<	checkCompletedWithWrappedCancellationException(h);
1804	<	checkCancelled(!fFirst ? f : g);
1805	<	assertEquals(0, r.invocationCount);
1806	<	checkCompletedNormally(fFirst ? f : g, v1);
1792	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1793	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1794	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1795	>
1796	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1797	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1798	>	final Integer w1 =  fFirst ? v1 : v2;
1799	>	final Integer w2 = !fFirst ? v1 : v2;
1800	>
1801	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1802	>	assertTrue(fst.complete(w1));
1803	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1804	>	assertTrue(snd.complete(w2));
1805	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1806	>
1807	>	checkCompletedWithWrappedException(h1, r1.ex);
1808	>	checkCompletedWithWrappedException(h2, r2.ex);
1809	>	checkCompletedWithWrappedException(h3, r3.ex);
1810	>	r1.assertInvoked();
1811	>	r2.assertInvoked();
1812	>	r3.assertInvoked();
1813	>	checkCompletedNormally(f, v1);
1814	>	checkCompletedNormally(g, v2);
1815		}}
1816
1817		/**
#	Line 1438 | Line 1820 | public class CompletableFutureTest exten
1820		*/
1821		public void testThenAcceptBoth_normalCompletion() {
1822		for (ExecutionMode m : ExecutionMode.values())
1441	–	for (boolean createIncomplete : new boolean[] { true, false })
1823		for (boolean fFirst : new boolean[] { true, false })
1824		for (Integer v1 : new Integer[] { 1, null })
1825		for (Integer v2 : new Integer[] { 2, null })
1826		{
1827		final CompletableFuture<Integer> f = new CompletableFuture<>();
1828		final CompletableFuture<Integer> g = new CompletableFuture<>();
1829	<	final SubtractAction r = new SubtractAction(m);
1830	<
1831	<	if (fFirst) f.complete(v1); else g.complete(v2);
1832	<	if (!createIncomplete)
1833	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1834	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1835	<	if (createIncomplete) {
1836	<	checkIncomplete(h);
1837	<	assertEquals(0, r.invocationCount);
1838	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1839	<	}
1840	<
1841	<	checkCompletedNormally(h, null);
1842	<	assertEquals(subtract(v1, v2), r.value);
1829	>	final SubtractAction r1 = new SubtractAction(m);
1830	>	final SubtractAction r2 = new SubtractAction(m);
1831	>	final SubtractAction r3 = new SubtractAction(m);
1832	>
1833	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1834	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1835	>	final Integer w1 =  fFirst ? v1 : v2;
1836	>	final Integer w2 = !fFirst ? v1 : v2;
1837	>
1838	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1839	>	assertTrue(fst.complete(w1));
1840	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1841	>	checkIncomplete(h1);
1842	>	checkIncomplete(h2);
1843	>	r1.assertNotInvoked();
1844	>	r2.assertNotInvoked();
1845	>	assertTrue(snd.complete(w2));
1846	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1847	>
1848	>	checkCompletedNormally(h1, null);
1849	>	checkCompletedNormally(h2, null);
1850	>	checkCompletedNormally(h3, null);
1851	>	r1.assertValue(subtract(v1, v2));
1852	>	r2.assertValue(subtract(v1, v2));
1853	>	r3.assertValue(subtract(v1, v2));
1854		checkCompletedNormally(f, v1);
1855		checkCompletedNormally(g, v2);
1856		}}
#	Line 1467 | Line 1859 | public class CompletableFutureTest exten
1859		* thenAcceptBoth result completes exceptionally after exceptional
1860		* completion of either source
1861		*/
1862	<	public void testThenAcceptBoth_exceptionalCompletion() {
1862	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1863		for (ExecutionMode m : ExecutionMode.values())
1472	–	for (boolean createIncomplete : new boolean[] { true, false })
1864		for (boolean fFirst : new boolean[] { true, false })
1865	+	for (boolean failFirst : new boolean[] { true, false })
1866		for (Integer v1 : new Integer[] { 1, null })
1867		{
1868		final CompletableFuture<Integer> f = new CompletableFuture<>();
1869		final CompletableFuture<Integer> g = new CompletableFuture<>();
1870		final CFException ex = new CFException();
1871	<	final SubtractAction r = new SubtractAction(m);
1872	<
1873	<	(fFirst ? f : g).complete(v1);
1874	<	if (!createIncomplete)
1875	<	(!fFirst ? f : g).completeExceptionally(ex);
1876	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1877	<	if (createIncomplete) {
1878	<	checkIncomplete(h);
1879	<	(!fFirst ? f : g).completeExceptionally(ex);
1880	<	}
1881	<
1882	<	checkCompletedWithWrappedCFException(h, ex);
1883	<	assertEquals(0, r.invocationCount);
1884	<	checkCompletedNormally(fFirst ? f : g, v1);
1885	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1871	>	final SubtractAction r1 = new SubtractAction(m);
1872	>	final SubtractAction r2 = new SubtractAction(m);
1873	>	final SubtractAction r3 = new SubtractAction(m);
1874	>
1875	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1876	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1877	>	final Callable<Boolean> complete1 = failFirst ?
1878	>	() -> fst.completeExceptionally(ex) :
1879	>	() -> fst.complete(v1);
1880	>	final Callable<Boolean> complete2 = failFirst ?
1881	>	() -> snd.complete(v1) :
1882	>	() -> snd.completeExceptionally(ex);
1883	>
1884	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1885	>	assertTrue(complete1.call());
1886	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1887	>	checkIncomplete(h1);
1888	>	checkIncomplete(h2);
1889	>	assertTrue(complete2.call());
1890	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1891	>
1892	>	checkCompletedWithWrappedException(h1, ex);
1893	>	checkCompletedWithWrappedException(h2, ex);
1894	>	checkCompletedWithWrappedException(h3, ex);
1895	>	r1.assertNotInvoked();
1896	>	r2.assertNotInvoked();
1897	>	r3.assertNotInvoked();
1898	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1899	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1900		}}
1901
1902		/**
1903	<	* thenAcceptBoth result completes exceptionally if action does
1903	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1904		*/
1905	<	public void testThenAcceptBoth_actionFailed() {
1905	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1906		for (ExecutionMode m : ExecutionMode.values())
1907	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1908		for (boolean fFirst : new boolean[] { true, false })
1909	+	for (boolean failFirst : new boolean[] { true, false })
1910		for (Integer v1 : new Integer[] { 1, null })
1503	–	for (Integer v2 : new Integer[] { 2, null })
1911		{
1912		final CompletableFuture<Integer> f = new CompletableFuture<>();
1913		final CompletableFuture<Integer> g = new CompletableFuture<>();
1914	<	final FailingBiConsumer r = new FailingBiConsumer(m);
1915	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1916	<
1917	<	if (fFirst) {
1918	<	f.complete(v1);
1919	<	g.complete(v2);
1920	<	} else {
1921	<	g.complete(v2);
1922	<	f.complete(v1);
1923	<	}
1924	<
1925	<	checkCompletedWithWrappedCFException(h);
1926	<	checkCompletedNormally(f, v1);
1927	<	checkCompletedNormally(g, v2);
1914	>	final SubtractAction r1 = new SubtractAction(m);
1915	>	final SubtractAction r2 = new SubtractAction(m);
1916	>	final SubtractAction r3 = new SubtractAction(m);
1917	>
1918	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1919	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1920	>	final Callable<Boolean> complete1 = failFirst ?
1921	>	() -> fst.cancel(mayInterruptIfRunning) :
1922	>	() -> fst.complete(v1);
1923	>	final Callable<Boolean> complete2 = failFirst ?
1924	>	() -> snd.complete(v1) :
1925	>	() -> snd.cancel(mayInterruptIfRunning);
1926	>
1927	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1928	>	assertTrue(complete1.call());
1929	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1930	>	checkIncomplete(h1);
1931	>	checkIncomplete(h2);
1932	>	assertTrue(complete2.call());
1933	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1934	>
1935	>	checkCompletedWithWrappedCancellationException(h1);
1936	>	checkCompletedWithWrappedCancellationException(h2);
1937	>	checkCompletedWithWrappedCancellationException(h3);
1938	>	r1.assertNotInvoked();
1939	>	r2.assertNotInvoked();
1940	>	r3.assertNotInvoked();
1941	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1942	>	checkCancelled(failFirst ? fst : snd);
1943		}}
1944
1945		/**
1946	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1946	>	* thenAcceptBoth result completes exceptionally if action does
1947		*/
1948	<	public void testThenAcceptBoth_sourceCancelled() {
1948	>	public void testThenAcceptBoth_actionFailed() {
1949		for (ExecutionMode m : ExecutionMode.values())
1528	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1529	–	for (boolean createIncomplete : new boolean[] { true, false })
1950		for (boolean fFirst : new boolean[] { true, false })
1951		for (Integer v1 : new Integer[] { 1, null })
1952	+	for (Integer v2 : new Integer[] { 2, null })
1953		{
1954		final CompletableFuture<Integer> f = new CompletableFuture<>();
1955		final CompletableFuture<Integer> g = new CompletableFuture<>();
1956	<	final SubtractAction r = new SubtractAction(m);
1957	<
1958	<	(fFirst ? f : g).complete(v1);
1959	<	if (!createIncomplete)
1960	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1961	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1962	<	if (createIncomplete) {
1963	<	checkIncomplete(h);
1964	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1965	<	}
1966	<
1967	<	checkCompletedWithWrappedCancellationException(h);
1968	<	checkCancelled(!fFirst ? f : g);
1969	<	assertEquals(0, r.invocationCount);
1970	<	checkCompletedNormally(fFirst ? f : g, v1);
1956	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1957	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1958	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1959	>
1960	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1961	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1962	>	final Integer w1 =  fFirst ? v1 : v2;
1963	>	final Integer w2 = !fFirst ? v1 : v2;
1964	>
1965	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1966	>	assertTrue(fst.complete(w1));
1967	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1968	>	assertTrue(snd.complete(w2));
1969	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1970	>
1971	>	checkCompletedWithWrappedException(h1, r1.ex);
1972	>	checkCompletedWithWrappedException(h2, r2.ex);
1973	>	checkCompletedWithWrappedException(h3, r3.ex);
1974	>	r1.assertInvoked();
1975	>	r2.assertInvoked();
1976	>	r3.assertInvoked();
1977	>	checkCompletedNormally(f, v1);
1978	>	checkCompletedNormally(g, v2);
1979		}}
1980
1981		/**
#	Line 1555 | Line 1984 | public class CompletableFutureTest exten
1984		*/
1985		public void testRunAfterBoth_normalCompletion() {
1986		for (ExecutionMode m : ExecutionMode.values())
1558	–	for (boolean createIncomplete : new boolean[] { true, false })
1987		for (boolean fFirst : new boolean[] { true, false })
1988		for (Integer v1 : new Integer[] { 1, null })
1989		for (Integer v2 : new Integer[] { 2, null })
1990		{
1991		final CompletableFuture<Integer> f = new CompletableFuture<>();
1992		final CompletableFuture<Integer> g = new CompletableFuture<>();
1993	<	final Noop r = new Noop(m);
1994	<
1995	<	if (fFirst) f.complete(v1); else g.complete(v2);
1996	<	if (!createIncomplete)
1997	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1998	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1999	<	if (createIncomplete) {
2000	<	checkIncomplete(h);
2001	<	assertEquals(0, r.invocationCount);
2002	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2003	<	}
2004	<
2005	<	checkCompletedNormally(h, null);
2006	<	assertEquals(1, r.invocationCount);
1993	>	final Noop r1 = new Noop(m);
1994	>	final Noop r2 = new Noop(m);
1995	>	final Noop r3 = new Noop(m);
1996	>
1997	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1998	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1999	>	final Integer w1 =  fFirst ? v1 : v2;
2000	>	final Integer w2 = !fFirst ? v1 : v2;
2001	>
2002	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2003	>	assertTrue(fst.complete(w1));
2004	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2005	>	checkIncomplete(h1);
2006	>	checkIncomplete(h2);
2007	>	r1.assertNotInvoked();
2008	>	r2.assertNotInvoked();
2009	>	assertTrue(snd.complete(w2));
2010	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2011	>
2012	>	checkCompletedNormally(h1, null);
2013	>	checkCompletedNormally(h2, null);
2014	>	checkCompletedNormally(h3, null);
2015	>	r1.assertInvoked();
2016	>	r2.assertInvoked();
2017	>	r3.assertInvoked();
2018		checkCompletedNormally(f, v1);
2019		checkCompletedNormally(g, v2);
2020		}}
#	Line 1584 | Line 2023 | public class CompletableFutureTest exten
2023		* runAfterBoth result completes exceptionally after exceptional
2024		* completion of either source
2025		*/
2026	<	public void testRunAfterBoth_exceptionalCompletion() {
2026	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2027		for (ExecutionMode m : ExecutionMode.values())
1589	–	for (boolean createIncomplete : new boolean[] { true, false })
2028		for (boolean fFirst : new boolean[] { true, false })
2029	+	for (boolean failFirst : new boolean[] { true, false })
2030		for (Integer v1 : new Integer[] { 1, null })
2031		{
2032		final CompletableFuture<Integer> f = new CompletableFuture<>();
2033		final CompletableFuture<Integer> g = new CompletableFuture<>();
2034		final CFException ex = new CFException();
2035	<	final Noop r = new Noop(m);
2036	<
2037	<	(fFirst ? f : g).complete(v1);
2038	<	if (!createIncomplete)
2039	<	(!fFirst ? f : g).completeExceptionally(ex);
2040	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2041	<	if (createIncomplete) {
2042	<	checkIncomplete(h);
2043	<	(!fFirst ? f : g).completeExceptionally(ex);
2044	<	}
2045	<
2046	<	checkCompletedWithWrappedCFException(h, ex);
2047	<	assertEquals(0, r.invocationCount);
2048	<	checkCompletedNormally(fFirst ? f : g, v1);
2049	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
2050	<	}}
2051	<
2052	<	/**
2053	<	* runAfterBoth result completes exceptionally if action does
2054	<	*/
2055	<	public void testRunAfterBoth_actionFailed() {
2056	<	for (ExecutionMode m : ExecutionMode.values())
2057	<	for (boolean fFirst : new boolean[] { true, false })
2058	<	for (Integer v1 : new Integer[] { 1, null })
2059	<	for (Integer v2 : new Integer[] { 2, null })
2060	<	{
2061	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2062	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2063	<	final FailingRunnable r = new FailingRunnable(m);
1625	<
1626	<	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r);
1627	<	if (fFirst) {
1628	<	f.complete(v1);
1629	<	g.complete(v2);
1630	<	} else {
1631	<	g.complete(v2);
1632	<	f.complete(v1);
1633	<	}
1634	<	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r);
1635	<
1636	<	checkCompletedWithWrappedCFException(h1);
1637	<	checkCompletedWithWrappedCFException(h2);
1638	<	checkCompletedNormally(f, v1);
1639	<	checkCompletedNormally(g, v2);
2035	>	final Noop r1 = new Noop(m);
2036	>	final Noop r2 = new Noop(m);
2037	>	final Noop r3 = new Noop(m);
2038	>
2039	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2040	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2041	>	final Callable<Boolean> complete1 = failFirst ?
2042	>	() -> fst.completeExceptionally(ex) :
2043	>	() -> fst.complete(v1);
2044	>	final Callable<Boolean> complete2 = failFirst ?
2045	>	() -> snd.complete(v1) :
2046	>	() -> snd.completeExceptionally(ex);
2047	>
2048	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2049	>	assertTrue(complete1.call());
2050	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2051	>	checkIncomplete(h1);
2052	>	checkIncomplete(h2);
2053	>	assertTrue(complete2.call());
2054	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2055	>
2056	>	checkCompletedWithWrappedException(h1, ex);
2057	>	checkCompletedWithWrappedException(h2, ex);
2058	>	checkCompletedWithWrappedException(h3, ex);
2059	>	r1.assertNotInvoked();
2060	>	r2.assertNotInvoked();
2061	>	r3.assertNotInvoked();
2062	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2063	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2064		}}
2065
2066		/**
2067		* runAfterBoth result completes exceptionally if either source cancelled
2068		*/
2069	<	public void testRunAfterBoth_sourceCancelled() {
2069	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2070		for (ExecutionMode m : ExecutionMode.values())
2071		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1648	–	for (boolean createIncomplete : new boolean[] { true, false })
2072		for (boolean fFirst : new boolean[] { true, false })
2073	+	for (boolean failFirst : new boolean[] { true, false })
2074		for (Integer v1 : new Integer[] { 1, null })
2075		{
2076		final CompletableFuture<Integer> f = new CompletableFuture<>();
2077		final CompletableFuture<Integer> g = new CompletableFuture<>();
2078	<	final Noop r = new Noop(m);
2079	<
2080	<
2081	<	(fFirst ? f : g).complete(v1);
2082	<	if (!createIncomplete)
2083	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2084	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2085	<	if (createIncomplete) {
2086	<	checkIncomplete(h);
2087	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2088	<	}
2089	<
2090	<	checkCompletedWithWrappedCancellationException(h);
2091	<	checkCancelled(!fFirst ? f : g);
2092	<	assertEquals(0, r.invocationCount);
2093	<	checkCompletedNormally(fFirst ? f : g, v1);
2078	>	final Noop r1 = new Noop(m);
2079	>	final Noop r2 = new Noop(m);
2080	>	final Noop r3 = new Noop(m);
2081	>
2082	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2083	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2084	>	final Callable<Boolean> complete1 = failFirst ?
2085	>	() -> fst.cancel(mayInterruptIfRunning) :
2086	>	() -> fst.complete(v1);
2087	>	final Callable<Boolean> complete2 = failFirst ?
2088	>	() -> snd.complete(v1) :
2089	>	() -> snd.cancel(mayInterruptIfRunning);
2090	>
2091	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2092	>	assertTrue(complete1.call());
2093	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2094	>	checkIncomplete(h1);
2095	>	checkIncomplete(h2);
2096	>	assertTrue(complete2.call());
2097	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2098	>
2099	>	checkCompletedWithWrappedCancellationException(h1);
2100	>	checkCompletedWithWrappedCancellationException(h2);
2101	>	checkCompletedWithWrappedCancellationException(h3);
2102	>	r1.assertNotInvoked();
2103	>	r2.assertNotInvoked();
2104	>	r3.assertNotInvoked();
2105	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2106	>	checkCancelled(failFirst ? fst : snd);
2107		}}
2108
2109		/**
2110	<	* applyToEither result completes normally after normal completion
1674	<	* of either source
2110	>	* runAfterBoth result completes exceptionally if action does
2111		*/
2112	<	public void testApplyToEither_normalCompletion() {
2112	>	public void testRunAfterBoth_actionFailed() {
2113		for (ExecutionMode m : ExecutionMode.values())
1678	–	for (boolean createIncomplete : new boolean[] { true, false })
2114		for (boolean fFirst : new boolean[] { true, false })
2115		for (Integer v1 : new Integer[] { 1, null })
2116		for (Integer v2 : new Integer[] { 2, null })
2117		{
2118		final CompletableFuture<Integer> f = new CompletableFuture<>();
2119		final CompletableFuture<Integer> g = new CompletableFuture<>();
2120	<	final IncFunction r = new IncFunction(m);
2121	<
2122	<	if (!createIncomplete)
2123	<	if (fFirst) f.complete(v1); else g.complete(v2);
2124	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2125	<	if (createIncomplete) {
2126	<	checkIncomplete(h);
2127	<	assertEquals(0, r.invocationCount);
2128	<	if (fFirst) f.complete(v1); else g.complete(v2);
2129	<	}
2130	<	checkCompletedNormally(h, inc(fFirst ? v1 : v2));
2131	<	if (!fFirst) f.complete(v1); else g.complete(v2);
2132	<
2120	>	final FailingRunnable r1 = new FailingRunnable(m);
2121	>	final FailingRunnable r2 = new FailingRunnable(m);
2122	>	final FailingRunnable r3 = new FailingRunnable(m);
2123	>
2124	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2125	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2126	>	final Integer w1 =  fFirst ? v1 : v2;
2127	>	final Integer w2 = !fFirst ? v1 : v2;
2128	>
2129	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2130	>	assertTrue(fst.complete(w1));
2131	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2132	>	assertTrue(snd.complete(w2));
2133	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2134	>
2135	>	checkCompletedWithWrappedException(h1, r1.ex);
2136	>	checkCompletedWithWrappedException(h2, r2.ex);
2137	>	checkCompletedWithWrappedException(h3, r3.ex);
2138	>	r1.assertInvoked();
2139	>	r2.assertInvoked();
2140	>	r3.assertInvoked();
2141		checkCompletedNormally(f, v1);
2142		checkCompletedNormally(g, v2);
1700	–	checkCompletedNormally(h, inc(fFirst ? v1 : v2));
2143		}}
2144
2145	<	public void testApplyToEither_normalCompletionBothAvailable() {
2145	>	/**
2146	>	* applyToEither result completes normally after normal completion
2147	>	* of either source
2148	>	*/
2149	>	public void testApplyToEither_normalCompletion() {
2150		for (ExecutionMode m : ExecutionMode.values())
1705	–	for (boolean fFirst : new boolean[] { true, false })
2151		for (Integer v1 : new Integer[] { 1, null })
2152		for (Integer v2 : new Integer[] { 2, null })
2153		{
2154		final CompletableFuture<Integer> f = new CompletableFuture<>();
2155		final CompletableFuture<Integer> g = new CompletableFuture<>();
2156	<	final IncFunction r = new IncFunction(m);
2156	>	final IncFunction[] rs = new IncFunction[6];
2157	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2158
2159	<	if (fFirst) {
2160	<	f.complete(v1);
2161	<	g.complete(v2);
2162	<	} else {
2163	<	g.complete(v2);
2164	<	f.complete(v1);
2165	<	}
2159	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2160	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2161	>	checkIncomplete(h0);
2162	>	checkIncomplete(h1);
2163	>	rs[0].assertNotInvoked();
2164	>	rs[1].assertNotInvoked();
2165	>	f.complete(v1);
2166	>	checkCompletedNormally(h0, inc(v1));
2167	>	checkCompletedNormally(h1, inc(v1));
2168	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2169	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2170	>	checkCompletedNormally(h2, inc(v1));
2171	>	checkCompletedNormally(h3, inc(v1));
2172	>	g.complete(v2);
2173
2174	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2174	>	// unspecified behavior - both source completions available
2175	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2176	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2177	>	rs[4].assertValue(h4.join());
2178	>	rs[5].assertValue(h5.join());
2179	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2180	>	Objects.equals(inc(v2), h4.join()));
2181	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2182	>	Objects.equals(inc(v2), h5.join()));
2183
2184		checkCompletedNormally(f, v1);
2185		checkCompletedNormally(g, v2);
2186	<
2187	<	// unspecified behavior
2188	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2189	<	Objects.equals(h.join(), inc(v2)));
2190	<	assertEquals(1, r.invocationCount);
2186	>	checkCompletedNormally(h0, inc(v1));
2187	>	checkCompletedNormally(h1, inc(v1));
2188	>	checkCompletedNormally(h2, inc(v1));
2189	>	checkCompletedNormally(h3, inc(v1));
2190	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2191		}}
2192
2193		/**
2194		* applyToEither result completes exceptionally after exceptional
2195		* completion of either source
2196		*/
2197	<	public void testApplyToEither_exceptionalCompletion1() {
2197	>	public void testApplyToEither_exceptionalCompletion() {
2198		for (ExecutionMode m : ExecutionMode.values())
1738	–	for (boolean createIncomplete : new boolean[] { true, false })
1739	–	for (boolean fFirst : new boolean[] { true, false })
2199		for (Integer v1 : new Integer[] { 1, null })
2200		{
2201		final CompletableFuture<Integer> f = new CompletableFuture<>();
2202		final CompletableFuture<Integer> g = new CompletableFuture<>();
2203		final CFException ex = new CFException();
2204	<	final IncFunction r = new IncFunction(m);
2204	>	final IncFunction[] rs = new IncFunction[6];
2205	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2206
2207	<	if (!createIncomplete) (fFirst ? f : g).completeExceptionally(ex);
2208	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2209	<	if (createIncomplete) {
2210	<	checkIncomplete(h);
2211	<	assertEquals(0, r.invocationCount);
2212	<	(fFirst ? f : g).completeExceptionally(ex);
2207	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2208	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2209	>	checkIncomplete(h0);
2210	>	checkIncomplete(h1);
2211	>	rs[0].assertNotInvoked();
2212	>	rs[1].assertNotInvoked();
2213	>	f.completeExceptionally(ex);
2214	>	checkCompletedWithWrappedException(h0, ex);
2215	>	checkCompletedWithWrappedException(h1, ex);
2216	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2217	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2218	>	checkCompletedWithWrappedException(h2, ex);
2219	>	checkCompletedWithWrappedException(h3, ex);
2220	>	g.complete(v1);
2221	>
2222	>	// unspecified behavior - both source completions available
2223	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2224	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2225	>	try {
2226	>	assertEquals(inc(v1), h4.join());
2227	>	rs[4].assertValue(inc(v1));
2228	>	} catch (CompletionException ok) {
2229	>	checkCompletedWithWrappedException(h4, ex);
2230	>	rs[4].assertNotInvoked();
2231	>	}
2232	>	try {
2233	>	assertEquals(inc(v1), h5.join());
2234	>	rs[5].assertValue(inc(v1));
2235	>	} catch (CompletionException ok) {
2236	>	checkCompletedWithWrappedException(h5, ex);
2237	>	rs[5].assertNotInvoked();
2238		}
2239
2240	<	checkCompletedWithWrappedCFException(h, ex);
2241	<	(!fFirst ? f : g).complete(v1);
2242	<
2243	<	assertEquals(0, r.invocationCount);
2244	<	checkCompletedNormally(!fFirst ? f : g, v1);
2245	<	checkCompletedWithWrappedCFException(fFirst ? f : g, ex);
2246	<	checkCompletedWithWrappedCFException(h, ex);
2240	>	checkCompletedExceptionally(f, ex);
2241	>	checkCompletedNormally(g, v1);
2242	>	checkCompletedWithWrappedException(h0, ex);
2243	>	checkCompletedWithWrappedException(h1, ex);
2244	>	checkCompletedWithWrappedException(h2, ex);
2245	>	checkCompletedWithWrappedException(h3, ex);
2246	>	checkCompletedWithWrappedException(h4, ex);
2247	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2248		}}
2249
2250		public void testApplyToEither_exceptionalCompletion2() {
2251		for (ExecutionMode m : ExecutionMode.values())
1766	–	for (boolean reverseArgs : new boolean[] { true, false })
2252		for (boolean fFirst : new boolean[] { true, false })
2253		for (Integer v1 : new Integer[] { 1, null })
2254		{
2255		final CompletableFuture<Integer> f = new CompletableFuture<>();
2256		final CompletableFuture<Integer> g = new CompletableFuture<>();
1772	–	final IncFunction r1 = new IncFunction(m);
1773	–	final IncFunction r2 = new IncFunction(m);
2257		final CFException ex = new CFException();
2258	<	final CompletableFuture<Integer> j = (reverseArgs ? g : f);
2259	<	final CompletableFuture<Integer> k = (reverseArgs ? f : g);
2260	<	final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
2261	<	if (fFirst) {
2262	<	f.complete(v1);
2263	<	g.completeExceptionally(ex);
2264	<	} else {
2265	<	g.completeExceptionally(ex);
2266	<	f.complete(v1);
1784	<	}
1785	<	final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
2258	>	final IncFunction[] rs = new IncFunction[6];
2259	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2260	>
2261	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2262	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2263	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2264	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2265	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2266	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2267
2268	<	// unspecified behavior
2268	>	// unspecified behavior - both source completions available
2269	>	try {
2270	>	assertEquals(inc(v1), h0.join());
2271	>	rs[0].assertValue(inc(v1));
2272	>	} catch (CompletionException ok) {
2273	>	checkCompletedWithWrappedException(h0, ex);
2274	>	rs[0].assertNotInvoked();
2275	>	}
2276		try {
2277		assertEquals(inc(v1), h1.join());
2278	<	assertEquals(1, r1.invocationCount);
2278	>	rs[1].assertValue(inc(v1));
2279		} catch (CompletionException ok) {
2280	<	checkCompletedWithWrappedCFException(h1, ex);
2281	<	assertEquals(0, r1.invocationCount);
2280	>	checkCompletedWithWrappedException(h1, ex);
2281	>	rs[1].assertNotInvoked();
2282		}
1795	–
2283		try {
2284		assertEquals(inc(v1), h2.join());
2285	<	assertEquals(1, r2.invocationCount);
2285	>	rs[2].assertValue(inc(v1));
2286		} catch (CompletionException ok) {
2287	<	checkCompletedWithWrappedCFException(h2, ex);
2288	<	assertEquals(0, r2.invocationCount);
2287	>	checkCompletedWithWrappedException(h2, ex);
2288	>	rs[2].assertNotInvoked();
2289	>	}
2290	>	try {
2291	>	assertEquals(inc(v1), h3.join());
2292	>	rs[3].assertValue(inc(v1));
2293	>	} catch (CompletionException ok) {
2294	>	checkCompletedWithWrappedException(h3, ex);
2295	>	rs[3].assertNotInvoked();
2296		}
2297
1804	–	checkCompletedWithWrappedCFException(g, ex);
1805	–	checkCompletedNormally(f, v1);
1806	–	}}
1807	–
1808	–	/**
1809	–	* applyToEither result completes exceptionally if action does
1810	–	*/
1811	–	public void testApplyToEither_actionFailed1() {
1812	–	for (ExecutionMode m : ExecutionMode.values())
1813	–	for (Integer v1 : new Integer[] { 1, null })
1814	–	for (Integer v2 : new Integer[] { 2, null })
1815	–	{
1816	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1817	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1818	–	final FailingFunction r = new FailingFunction(m);
1819	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1820	–
1821	–	f.complete(v1);
1822	–	checkCompletedWithWrappedCFException(h);
1823	–	g.complete(v2);
1824	–	checkCompletedNormally(f, v1);
1825	–	checkCompletedNormally(g, v2);
1826	–	}}
1827	–
1828	–	public void testApplyToEither_actionFailed2() {
1829	–	for (ExecutionMode m : ExecutionMode.values())
1830	–	for (Integer v1 : new Integer[] { 1, null })
1831	–	for (Integer v2 : new Integer[] { 2, null })
1832	–	{
1833	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1834	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1835	–	final FailingFunction r = new FailingFunction(m);
1836	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1837	–
1838	–	g.complete(v2);
1839	–	checkCompletedWithWrappedCFException(h);
1840	–	f.complete(v1);
2298		checkCompletedNormally(f, v1);
2299	<	checkCompletedNormally(g, v2);
2299	>	checkCompletedExceptionally(g, ex);
2300		}}
2301
2302		/**
2303		* applyToEither result completes exceptionally if either source cancelled
2304		*/
2305	<	public void testApplyToEither_sourceCancelled1() {
2305	>	public void testApplyToEither_sourceCancelled() {
2306		for (ExecutionMode m : ExecutionMode.values())
2307		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1851	–	for (boolean createIncomplete : new boolean[] { true, false })
1852	–	for (boolean fFirst : new boolean[] { true, false })
2308		for (Integer v1 : new Integer[] { 1, null })
2309		{
2310		final CompletableFuture<Integer> f = new CompletableFuture<>();
2311		final CompletableFuture<Integer> g = new CompletableFuture<>();
2312	<	final IncFunction r = new IncFunction(m);
2312	>	final IncFunction[] rs = new IncFunction[6];
2313	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2314
2315	<	if (!createIncomplete) assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
2316	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2317	<	if (createIncomplete) {
2318	<	checkIncomplete(h);
2319	<	assertEquals(0, r.invocationCount);
2320	<	assertTrue((fFirst ? f : g).cancel(mayInterruptIfRunning));
2315	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2316	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2317	>	checkIncomplete(h0);
2318	>	checkIncomplete(h1);
2319	>	rs[0].assertNotInvoked();
2320	>	rs[1].assertNotInvoked();
2321	>	f.cancel(mayInterruptIfRunning);
2322	>	checkCompletedWithWrappedCancellationException(h0);
2323	>	checkCompletedWithWrappedCancellationException(h1);
2324	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2325	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2326	>	checkCompletedWithWrappedCancellationException(h2);
2327	>	checkCompletedWithWrappedCancellationException(h3);
2328	>	g.complete(v1);
2329	>
2330	>	// unspecified behavior - both source completions available
2331	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2332	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2333	>	try {
2334	>	assertEquals(inc(v1), h4.join());
2335	>	rs[4].assertValue(inc(v1));
2336	>	} catch (CompletionException ok) {
2337	>	checkCompletedWithWrappedCancellationException(h4);
2338	>	rs[4].assertNotInvoked();
2339	>	}
2340	>	try {
2341	>	assertEquals(inc(v1), h5.join());
2342	>	rs[5].assertValue(inc(v1));
2343	>	} catch (CompletionException ok) {
2344	>	checkCompletedWithWrappedCancellationException(h5);
2345	>	rs[5].assertNotInvoked();
2346		}
2347
2348	<	checkCompletedWithWrappedCancellationException(h);
2349	<	(!fFirst ? f : g).complete(v1);
2350	<
2351	<	assertEquals(0, r.invocationCount);
2352	<	checkCompletedNormally(!fFirst ? f : g, v1);
2353	<	checkCancelled(fFirst ? f : g);
2354	<	checkCompletedWithWrappedCancellationException(h);
2348	>	checkCancelled(f);
2349	>	checkCompletedNormally(g, v1);
2350	>	checkCompletedWithWrappedCancellationException(h0);
2351	>	checkCompletedWithWrappedCancellationException(h1);
2352	>	checkCompletedWithWrappedCancellationException(h2);
2353	>	checkCompletedWithWrappedCancellationException(h3);
2354	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2355		}}
2356
2357		public void testApplyToEither_sourceCancelled2() {
2358		for (ExecutionMode m : ExecutionMode.values())
2359		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1879	–	for (boolean reverseArgs : new boolean[] { true, false })
2360		for (boolean fFirst : new boolean[] { true, false })
2361		for (Integer v1 : new Integer[] { 1, null })
2362		{
2363		final CompletableFuture<Integer> f = new CompletableFuture<>();
2364		final CompletableFuture<Integer> g = new CompletableFuture<>();
2365	<	final IncFunction r1 = new IncFunction(m);
2366	<	final IncFunction r2 = new IncFunction(m);
1887	<	final CFException ex = new CFException();
1888	<	final CompletableFuture<Integer> j = (reverseArgs ? g : f);
1889	<	final CompletableFuture<Integer> k = (reverseArgs ? f : g);
2365	>	final IncFunction[] rs = new IncFunction[6];
2366	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2367
2368	<	final CompletableFuture<Integer> h1 = m.applyToEither(j, k, r1);
2369	<	if (fFirst) {
2370	<	f.complete(v1);
2371	<	assertTrue(g.cancel(mayInterruptIfRunning));
2372	<	} else {
2373	<	assertTrue(g.cancel(mayInterruptIfRunning));
1897	<	f.complete(v1);
1898	<	}
1899	<	final CompletableFuture<Integer> h2 = m.applyToEither(j, k, r2);
2368	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2369	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2370	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2371	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2372	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2373	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2374
2375	<	// unspecified behavior
2375	>	// unspecified behavior - both source completions available
2376	>	try {
2377	>	assertEquals(inc(v1), h0.join());
2378	>	rs[0].assertValue(inc(v1));
2379	>	} catch (CompletionException ok) {
2380	>	checkCompletedWithWrappedCancellationException(h0);
2381	>	rs[0].assertNotInvoked();
2382	>	}
2383		try {
2384		assertEquals(inc(v1), h1.join());
2385	<	assertEquals(1, r1.invocationCount);
2385	>	rs[1].assertValue(inc(v1));
2386		} catch (CompletionException ok) {
2387		checkCompletedWithWrappedCancellationException(h1);
2388	<	assertEquals(0, r1.invocationCount);
2388	>	rs[1].assertNotInvoked();
2389		}
1909	–
2390		try {
2391		assertEquals(inc(v1), h2.join());
2392	<	assertEquals(1, r2.invocationCount);
2392	>	rs[2].assertValue(inc(v1));
2393		} catch (CompletionException ok) {
2394		checkCompletedWithWrappedCancellationException(h2);
2395	<	assertEquals(0, r2.invocationCount);
2395	>	rs[2].assertNotInvoked();
2396	>	}
2397	>	try {
2398	>	assertEquals(inc(v1), h3.join());
2399	>	rs[3].assertValue(inc(v1));
2400	>	} catch (CompletionException ok) {
2401	>	checkCompletedWithWrappedCancellationException(h3);
2402	>	rs[3].assertNotInvoked();
2403		}
2404
1918	–	checkCancelled(g);
2405		checkCompletedNormally(f, v1);
2406	+	checkCancelled(g);
2407		}}
2408
2409		/**
2410	<	* acceptEither result completes normally after normal completion
1924	<	* of either source
2410	>	* applyToEither result completes exceptionally if action does
2411		*/
2412	<	public void testAcceptEither_normalCompletion1() {
2412	>	public void testApplyToEither_actionFailed() {
2413		for (ExecutionMode m : ExecutionMode.values())
2414		for (Integer v1 : new Integer[] { 1, null })
2415		for (Integer v2 : new Integer[] { 2, null })
2416		{
2417		final CompletableFuture<Integer> f = new CompletableFuture<>();
2418		final CompletableFuture<Integer> g = new CompletableFuture<>();
2419	<	final IncAction r = new IncAction();
2420	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2419	>	final FailingFunction[] rs = new FailingFunction[6];
2420	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2421
2422	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2423	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2424		f.complete(v1);
2425	<	checkCompletedNormally(h, null);
2426	<	assertEquals(inc(v1), r.value);
2427	<	g.complete(v2);
2428	<
2429	<	checkCompletedNormally(f, v1);
2430	<	checkCompletedNormally(g, v2);
2431	<	checkCompletedNormally(h, null);
1944	<	}}
1945	<
1946	<	public void testAcceptEither_normalCompletion2() {
1947	<	for (ExecutionMode m : ExecutionMode.values())
1948	<	for (Integer v1 : new Integer[] { 1, null })
1949	<	for (Integer v2 : new Integer[] { 2, null })
1950	<	{
1951	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1952	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1953	<	final IncAction r = new IncAction();
1954	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2425	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2426	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2427	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2428	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2429	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2430	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2431	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2432
2433		g.complete(v2);
2434	<	checkCompletedNormally(h, null);
2435	<	assertEquals(inc(v2), r.value);
2436	<	f.complete(v1);
2434	>
2435	>	// unspecified behavior - both source completions available
2436	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2437	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2438	>
2439	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2440	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2441	>	Objects.equals(v2, rs[4].value));
2442	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2443	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2444	>	Objects.equals(v2, rs[5].value));
2445
2446		checkCompletedNormally(f, v1);
2447		checkCompletedNormally(g, v2);
1963	–	checkCompletedNormally(h, null);
2448		}}
2449
2450	<	public void testAcceptEither_normalCompletion3() {
2450	>	/**
2451	>	* acceptEither result completes normally after normal completion
2452	>	* of either source
2453	>	*/
2454	>	public void testAcceptEither_normalCompletion() {
2455		for (ExecutionMode m : ExecutionMode.values())
2456		for (Integer v1 : new Integer[] { 1, null })
2457		for (Integer v2 : new Integer[] { 2, null })
2458		{
2459		final CompletableFuture<Integer> f = new CompletableFuture<>();
2460		final CompletableFuture<Integer> g = new CompletableFuture<>();
2461	<	final IncAction r = new IncAction();
2461	>	final NoopConsumer[] rs = new NoopConsumer[6];
2462	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2463
2464	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2465	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2466	+	checkIncomplete(h0);
2467	+	checkIncomplete(h1);
2468	+	rs[0].assertNotInvoked();
2469	+	rs[1].assertNotInvoked();
2470		f.complete(v1);
2471	+	checkCompletedNormally(h0, null);
2472	+	checkCompletedNormally(h1, null);
2473	+	rs[0].assertValue(v1);
2474	+	rs[1].assertValue(v1);
2475	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2476	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2477	+	checkCompletedNormally(h2, null);
2478	+	checkCompletedNormally(h3, null);
2479	+	rs[2].assertValue(v1);
2480	+	rs[3].assertValue(v1);
2481		g.complete(v2);
1977	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2482
2483	<	checkCompletedNormally(h, null);
2483	>	// unspecified behavior - both source completions available
2484	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2485	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2486	>	checkCompletedNormally(h4, null);
2487	>	checkCompletedNormally(h5, null);
2488	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2489	>	Objects.equals(v2, rs[4].value));
2490	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2491	>	Objects.equals(v2, rs[5].value));
2492	>
2493		checkCompletedNormally(f, v1);
2494		checkCompletedNormally(g, v2);
2495	<
2496	<	// unspecified behavior
2497	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2498	<	Objects.equals(r.value, inc(v2)));
2495	>	checkCompletedNormally(h0, null);
2496	>	checkCompletedNormally(h1, null);
2497	>	checkCompletedNormally(h2, null);
2498	>	checkCompletedNormally(h3, null);
2499	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2500		}}
2501
2502		/**
2503		* acceptEither result completes exceptionally after exceptional
2504		* completion of either source
2505		*/
2506	<	public void testAcceptEither_exceptionalCompletion1() {
2506	>	public void testAcceptEither_exceptionalCompletion() {
2507		for (ExecutionMode m : ExecutionMode.values())
2508		for (Integer v1 : new Integer[] { 1, null })
2509		{
2510		final CompletableFuture<Integer> f = new CompletableFuture<>();
2511		final CompletableFuture<Integer> g = new CompletableFuture<>();
1998	–	final IncAction r = new IncAction();
1999	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2512		final CFException ex = new CFException();
2513	+	final NoopConsumer[] rs = new NoopConsumer[6];
2514	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2515
2516	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2517	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2518	+	checkIncomplete(h0);
2519	+	checkIncomplete(h1);
2520	+	rs[0].assertNotInvoked();
2521	+	rs[1].assertNotInvoked();
2522		f.completeExceptionally(ex);
2523	<	checkCompletedWithWrappedCFException(h, ex);
2523	>	checkCompletedWithWrappedException(h0, ex);
2524	>	checkCompletedWithWrappedException(h1, ex);
2525	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2526	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2527	>	checkCompletedWithWrappedException(h2, ex);
2528	>	checkCompletedWithWrappedException(h3, ex);
2529	>
2530		g.complete(v1);
2531
2532	<	assertEquals(0, r.invocationCount);
2532	>	// unspecified behavior - both source completions available
2533	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2534	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2535	>	try {
2536	>	assertNull(h4.join());
2537	>	rs[4].assertValue(v1);
2538	>	} catch (CompletionException ok) {
2539	>	checkCompletedWithWrappedException(h4, ex);
2540	>	rs[4].assertNotInvoked();
2541	>	}
2542	>	try {
2543	>	assertNull(h5.join());
2544	>	rs[5].assertValue(v1);
2545	>	} catch (CompletionException ok) {
2546	>	checkCompletedWithWrappedException(h5, ex);
2547	>	rs[5].assertNotInvoked();
2548	>	}
2549	>
2550	>	checkCompletedExceptionally(f, ex);
2551		checkCompletedNormally(g, v1);
2552	<	checkCompletedWithWrappedCFException(f, ex);
2553	<	checkCompletedWithWrappedCFException(h, ex);
2552	>	checkCompletedWithWrappedException(h0, ex);
2553	>	checkCompletedWithWrappedException(h1, ex);
2554	>	checkCompletedWithWrappedException(h2, ex);
2555	>	checkCompletedWithWrappedException(h3, ex);
2556	>	checkCompletedWithWrappedException(h4, ex);
2557	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2558		}}
2559
2560		public void testAcceptEither_exceptionalCompletion2() {
2561		for (ExecutionMode m : ExecutionMode.values())
2562	+	for (boolean fFirst : new boolean[] { true, false })
2563		for (Integer v1 : new Integer[] { 1, null })
2564		{
2565		final CompletableFuture<Integer> f = new CompletableFuture<>();
2566		final CompletableFuture<Integer> g = new CompletableFuture<>();
2018	–	final IncAction r = new IncAction();
2019	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2020	–	final CFException ex = new CFException();
2021	–
2022	–	g.completeExceptionally(ex);
2023	–	checkCompletedWithWrappedCFException(h, ex);
2024	–	f.complete(v1);
2025	–
2026	–	assertEquals(0, r.invocationCount);
2027	–	checkCompletedNormally(f, v1);
2028	–	checkCompletedWithWrappedCFException(g, ex);
2029	–	checkCompletedWithWrappedCFException(h, ex);
2030	–	}}
2031	–
2032	–	public void testAcceptEither_exceptionalCompletion3() {
2033	–	for (ExecutionMode m : ExecutionMode.values())
2034	–	for (Integer v1 : new Integer[] { 1, null })
2035	–	{
2036	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2037	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2038	–	final IncAction r = new IncAction();
2567		final CFException ex = new CFException();
2568	+	final NoopConsumer[] rs = new NoopConsumer[6];
2569	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2570
2571	<	g.completeExceptionally(ex);
2572	<	f.complete(v1);
2573	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2571	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2572	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2573	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2574	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2575	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2576	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2577
2578	<	// unspecified behavior
2046	<	Integer v;
2578	>	// unspecified behavior - both source completions available
2579		try {
2580	<	assertNull(h.join());
2581	<	assertEquals(1, r.invocationCount);
2050	<	assertEquals(inc(v1), r.value);
2580	>	assertNull(h0.join());
2581	>	rs[0].assertValue(v1);
2582		} catch (CompletionException ok) {
2583	<	checkCompletedWithWrappedCFException(h, ex);
2584	<	assertEquals(0, r.invocationCount);
2583	>	checkCompletedWithWrappedException(h0, ex);
2584	>	rs[0].assertNotInvoked();
2585		}
2055	–
2056	–	checkCompletedWithWrappedCFException(g, ex);
2057	–	checkCompletedNormally(f, v1);
2058	–	}}
2059	–
2060	–	public void testAcceptEither_exceptionalCompletion4() {
2061	–	for (ExecutionMode m : ExecutionMode.values())
2062	–	for (Integer v1 : new Integer[] { 1, null })
2063	–	{
2064	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2065	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2066	–	final IncAction r = new IncAction();
2067	–	final CFException ex = new CFException();
2068	–
2069	–	f.completeExceptionally(ex);
2070	–	g.complete(v1);
2071	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2072	–
2073	–	// unspecified behavior
2074	–	Integer v;
2586		try {
2587	<	assertNull(h.join());
2588	<	assertEquals(1, r.invocationCount);
2078	<	assertEquals(inc(v1), r.value);
2587	>	assertNull(h1.join());
2588	>	rs[1].assertValue(v1);
2589		} catch (CompletionException ok) {
2590	<	checkCompletedWithWrappedCFException(h, ex);
2591	<	assertEquals(0, r.invocationCount);
2590	>	checkCompletedWithWrappedException(h1, ex);
2591	>	rs[1].assertNotInvoked();
2592	>	}
2593	>	try {
2594	>	assertNull(h2.join());
2595	>	rs[2].assertValue(v1);
2596	>	} catch (CompletionException ok) {
2597	>	checkCompletedWithWrappedException(h2, ex);
2598	>	rs[2].assertNotInvoked();
2599	>	}
2600	>	try {
2601	>	assertNull(h3.join());
2602	>	rs[3].assertValue(v1);
2603	>	} catch (CompletionException ok) {
2604	>	checkCompletedWithWrappedException(h3, ex);
2605	>	rs[3].assertNotInvoked();
2606		}
2607
2084	–	checkCompletedWithWrappedCFException(f, ex);
2085	–	checkCompletedNormally(g, v1);
2086	–	}}
2087	–
2088	–	/**
2089	–	* acceptEither result completes exceptionally if action does
2090	–	*/
2091	–	public void testAcceptEither_actionFailed1() {
2092	–	for (ExecutionMode m : ExecutionMode.values())
2093	–	for (Integer v1 : new Integer[] { 1, null })
2094	–	for (Integer v2 : new Integer[] { 2, null })
2095	–	{
2096	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2097	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2098	–	final FailingConsumer r = new FailingConsumer(m);
2099	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2100	–
2101	–	f.complete(v1);
2102	–	checkCompletedWithWrappedCFException(h);
2103	–	g.complete(v2);
2104	–	checkCompletedNormally(f, v1);
2105	–	checkCompletedNormally(g, v2);
2106	–	}}
2107	–
2108	–	public void testAcceptEither_actionFailed2() {
2109	–	for (ExecutionMode m : ExecutionMode.values())
2110	–	for (Integer v1 : new Integer[] { 1, null })
2111	–	for (Integer v2 : new Integer[] { 2, null })
2112	–	{
2113	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2114	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2115	–	final FailingConsumer r = new FailingConsumer(m);
2116	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2117	–
2118	–	g.complete(v2);
2119	–	checkCompletedWithWrappedCFException(h);
2120	–	f.complete(v1);
2608		checkCompletedNormally(f, v1);
2609	<	checkCompletedNormally(g, v2);
2609	>	checkCompletedExceptionally(g, ex);
2610		}}
2611
2612		/**
2613		* acceptEither result completes exceptionally if either source cancelled
2614		*/
2615	<	public void testAcceptEither_sourceCancelled1() {
2615	>	public void testAcceptEither_sourceCancelled() {
2616		for (ExecutionMode m : ExecutionMode.values())
2617		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2618		for (Integer v1 : new Integer[] { 1, null })
2619		{
2620		final CompletableFuture<Integer> f = new CompletableFuture<>();
2621		final CompletableFuture<Integer> g = new CompletableFuture<>();
2622	<	final IncAction r = new IncAction();
2623	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2137	<
2138	<	assertTrue(f.cancel(mayInterruptIfRunning));
2139	<	checkCompletedWithWrappedCancellationException(h);
2140	<	g.complete(v1);
2622	>	final NoopConsumer[] rs = new NoopConsumer[6];
2623	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2624
2625	<	checkCancelled(f);
2626	<	assertEquals(0, r.invocationCount);
2627	<	checkCompletedNormally(g, v1);
2628	<	checkCompletedWithWrappedCancellationException(h);
2629	<	}}
2625	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2626	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2627	>	checkIncomplete(h0);
2628	>	checkIncomplete(h1);
2629	>	rs[0].assertNotInvoked();
2630	>	rs[1].assertNotInvoked();
2631	>	f.cancel(mayInterruptIfRunning);
2632	>	checkCompletedWithWrappedCancellationException(h0);
2633	>	checkCompletedWithWrappedCancellationException(h1);
2634	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2635	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2636	>	checkCompletedWithWrappedCancellationException(h2);
2637	>	checkCompletedWithWrappedCancellationException(h3);
2638
2639	<	public void testAcceptEither_sourceCancelled2() {
2149	<	for (ExecutionMode m : ExecutionMode.values())
2150	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2151	<	for (Integer v1 : new Integer[] { 1, null })
2152	<	{
2153	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2154	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2155	<	final IncAction r = new IncAction();
2156	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2157	<
2158	<	assertTrue(g.cancel(mayInterruptIfRunning));
2159	<	checkCompletedWithWrappedCancellationException(h);
2160	<	f.complete(v1);
2161	<
2162	<	checkCancelled(g);
2163	<	assertEquals(0, r.invocationCount);
2164	<	checkCompletedNormally(f, v1);
2165	<	checkCompletedWithWrappedCancellationException(h);
2166	<	}}
2167	<
2168	<	public void testAcceptEither_sourceCancelled3() {
2169	<	for (ExecutionMode m : ExecutionMode.values())
2170	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2171	<	for (Integer v1 : new Integer[] { 1, null })
2172	<	{
2173	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2174	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2175	<	final IncAction r = new IncAction();
2176	<
2177	<	assertTrue(g.cancel(mayInterruptIfRunning));
2178	<	f.complete(v1);
2179	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2639	>	g.complete(v1);
2640
2641	<	// unspecified behavior
2642	<	Integer v;
2641	>	// unspecified behavior - both source completions available
2642	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2643	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2644		try {
2645	<	assertNull(h.join());
2646	<	assertEquals(1, r.invocationCount);
2186	<	assertEquals(inc(v1), r.value);
2645	>	assertNull(h4.join());
2646	>	rs[4].assertValue(v1);
2647		} catch (CompletionException ok) {
2648	<	checkCompletedWithWrappedCancellationException(h);
2649	<	assertEquals(0, r.invocationCount);
2648	>	checkCompletedWithWrappedCancellationException(h4);
2649	>	rs[4].assertNotInvoked();
2650		}
2191	–
2192	–	checkCancelled(g);
2193	–	checkCompletedNormally(f, v1);
2194	–	}}
2195	–
2196	–	public void testAcceptEither_sourceCancelled4() {
2197	–	for (ExecutionMode m : ExecutionMode.values())
2198	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2199	–	for (Integer v1 : new Integer[] { 1, null })
2200	–	{
2201	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2202	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2203	–	final IncAction r = new IncAction();
2204	–
2205	–	assertTrue(f.cancel(mayInterruptIfRunning));
2206	–	g.complete(v1);
2207	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2208	–
2209	–	// unspecified behavior
2210	–	Integer v;
2651		try {
2652	<	assertNull(h.join());
2653	<	assertEquals(1, r.invocationCount);
2214	<	assertEquals(inc(v1), r.value);
2652	>	assertNull(h5.join());
2653	>	rs[5].assertValue(v1);
2654		} catch (CompletionException ok) {
2655	<	checkCompletedWithWrappedCancellationException(h);
2656	<	assertEquals(0, r.invocationCount);
2655	>	checkCompletedWithWrappedCancellationException(h5);
2656	>	rs[5].assertNotInvoked();
2657		}
2658
2659		checkCancelled(f);
2660		checkCompletedNormally(g, v1);
2661	+	checkCompletedWithWrappedCancellationException(h0);
2662	+	checkCompletedWithWrappedCancellationException(h1);
2663	+	checkCompletedWithWrappedCancellationException(h2);
2664	+	checkCompletedWithWrappedCancellationException(h3);
2665	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2666		}}
2667
2668		/**
2669	<	* runAfterEither result completes normally after normal completion
2226	<	* of either source
2669	>	* acceptEither result completes exceptionally if action does
2670		*/
2671	<	public void testRunAfterEither_normalCompletion1() {
2671	>	public void testAcceptEither_actionFailed() {
2672		for (ExecutionMode m : ExecutionMode.values())
2673		for (Integer v1 : new Integer[] { 1, null })
2674		for (Integer v2 : new Integer[] { 2, null })
2675		{
2676		final CompletableFuture<Integer> f = new CompletableFuture<>();
2677		final CompletableFuture<Integer> g = new CompletableFuture<>();
2678	<	final Noop r = new Noop(m);
2679	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2678	>	final FailingConsumer[] rs = new FailingConsumer[6];
2679	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2680
2681	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2682	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2683		f.complete(v1);
2684	<	checkCompletedNormally(h, null);
2685	<	assertEquals(1, r.invocationCount);
2684	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2685	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2686	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2687	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2688	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2689	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2690	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2691	>
2692		g.complete(v2);
2693
2694	+	// unspecified behavior - both source completions available
2695	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2696	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2697	+
2698	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2699	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2700	+	Objects.equals(v2, rs[4].value));
2701	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2702	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2703	+	Objects.equals(v2, rs[5].value));
2704	+
2705		checkCompletedNormally(f, v1);
2706		checkCompletedNormally(g, v2);
2245	–	checkCompletedNormally(h, null);
2246	–	assertEquals(1, r.invocationCount);
2707		}}
2708
2709	<	public void testRunAfterEither_normalCompletion2() {
2709	>	/**
2710	>	* runAfterEither result completes normally after normal completion
2711	>	* of either source
2712	>	*/
2713	>	public void testRunAfterEither_normalCompletion() {
2714		for (ExecutionMode m : ExecutionMode.values())
2715		for (Integer v1 : new Integer[] { 1, null })
2716		for (Integer v2 : new Integer[] { 2, null })
2717	+	for (boolean pushNop : new boolean[] { true, false })
2718		{
2719		final CompletableFuture<Integer> f = new CompletableFuture<>();
2720		final CompletableFuture<Integer> g = new CompletableFuture<>();
2721	<	final Noop r = new Noop(m);
2722	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2721	>	final Noop[] rs = new Noop[6];
2722	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2723
2724	<	g.complete(v2);
2725	<	checkCompletedNormally(h, null);
2726	<	assertEquals(1, r.invocationCount);
2724	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2725	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2726	>	checkIncomplete(h0);
2727	>	checkIncomplete(h1);
2728	>	rs[0].assertNotInvoked();
2729	>	rs[1].assertNotInvoked();
2730	>	if (pushNop) {          // ad hoc test of intra-completion interference
2731	>	m.thenRun(f, () -> {});
2732	>	m.thenRun(g, () -> {});
2733	>	}
2734		f.complete(v1);
2735	+	checkCompletedNormally(h0, null);
2736	+	checkCompletedNormally(h1, null);
2737	+	rs[0].assertInvoked();
2738	+	rs[1].assertInvoked();
2739	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2740	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2741	+	checkCompletedNormally(h2, null);
2742	+	checkCompletedNormally(h3, null);
2743	+	rs[2].assertInvoked();
2744	+	rs[3].assertInvoked();
2745
2264	–	checkCompletedNormally(f, v1);
2265	–	checkCompletedNormally(g, v2);
2266	–	checkCompletedNormally(h, null);
2267	–	assertEquals(1, r.invocationCount);
2268	–	}}
2269	–
2270	–	public void testRunAfterEither_normalCompletion3() {
2271	–	for (ExecutionMode m : ExecutionMode.values())
2272	–	for (Integer v1 : new Integer[] { 1, null })
2273	–	for (Integer v2 : new Integer[] { 2, null })
2274	–	{
2275	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2276	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2277	–	final Noop r = new Noop(m);
2278	–
2279	–	f.complete(v1);
2746		g.complete(v2);
2281	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2747
2748	<	checkCompletedNormally(h, null);
2748	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2749	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2750	>
2751		checkCompletedNormally(f, v1);
2752		checkCompletedNormally(g, v2);
2753	<	assertEquals(1, r.invocationCount);
2753	>	checkCompletedNormally(h0, null);
2754	>	checkCompletedNormally(h1, null);
2755	>	checkCompletedNormally(h2, null);
2756	>	checkCompletedNormally(h3, null);
2757	>	checkCompletedNormally(h4, null);
2758	>	checkCompletedNormally(h5, null);
2759	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2760		}}
2761
2762		/**
2763		* runAfterEither result completes exceptionally after exceptional
2764		* completion of either source
2765		*/
2766	<	public void testRunAfterEither_exceptionalCompletion1() {
2766	>	public void testRunAfterEither_exceptionalCompletion() {
2767		for (ExecutionMode m : ExecutionMode.values())
2768		for (Integer v1 : new Integer[] { 1, null })
2769		{
2770		final CompletableFuture<Integer> f = new CompletableFuture<>();
2771		final CompletableFuture<Integer> g = new CompletableFuture<>();
2299	–	final Noop r = new Noop(m);
2300	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2772		final CFException ex = new CFException();
2773	+	final Noop[] rs = new Noop[6];
2774	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2775
2776	<	f.completeExceptionally(ex);
2777	<	checkCompletedWithWrappedCFException(h, ex);
2778	<	g.complete(v1);
2776	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2777	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2778	>	checkIncomplete(h0);
2779	>	checkIncomplete(h1);
2780	>	rs[0].assertNotInvoked();
2781	>	rs[1].assertNotInvoked();
2782	>	assertTrue(f.completeExceptionally(ex));
2783	>	checkCompletedWithWrappedException(h0, ex);
2784	>	checkCompletedWithWrappedException(h1, ex);
2785	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2786	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2787	>	checkCompletedWithWrappedException(h2, ex);
2788	>	checkCompletedWithWrappedException(h3, ex);
2789	>
2790	>	assertTrue(g.complete(v1));
2791	>
2792	>	// unspecified behavior - both source completions available
2793	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2794	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2795	>	try {
2796	>	assertNull(h4.join());
2797	>	rs[4].assertInvoked();
2798	>	} catch (CompletionException ok) {
2799	>	checkCompletedWithWrappedException(h4, ex);
2800	>	rs[4].assertNotInvoked();
2801	>	}
2802	>	try {
2803	>	assertNull(h5.join());
2804	>	rs[5].assertInvoked();
2805	>	} catch (CompletionException ok) {
2806	>	checkCompletedWithWrappedException(h5, ex);
2807	>	rs[5].assertNotInvoked();
2808	>	}
2809
2810	<	assertEquals(0, r.invocationCount);
2810	>	checkCompletedExceptionally(f, ex);
2811		checkCompletedNormally(g, v1);
2812	<	checkCompletedWithWrappedCFException(f, ex);
2813	<	checkCompletedWithWrappedCFException(h, ex);
2812	>	checkCompletedWithWrappedException(h0, ex);
2813	>	checkCompletedWithWrappedException(h1, ex);
2814	>	checkCompletedWithWrappedException(h2, ex);
2815	>	checkCompletedWithWrappedException(h3, ex);
2816	>	checkCompletedWithWrappedException(h4, ex);
2817	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2818		}}
2819
2820		public void testRunAfterEither_exceptionalCompletion2() {
2821		for (ExecutionMode m : ExecutionMode.values())
2822	+	for (boolean fFirst : new boolean[] { true, false })
2823		for (Integer v1 : new Integer[] { 1, null })
2824		{
2825		final CompletableFuture<Integer> f = new CompletableFuture<>();
2826		final CompletableFuture<Integer> g = new CompletableFuture<>();
2319	–	final Noop r = new Noop(m);
2320	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2321	–	final CFException ex = new CFException();
2322	–
2323	–	g.completeExceptionally(ex);
2324	–	checkCompletedWithWrappedCFException(h, ex);
2325	–	f.complete(v1);
2326	–
2327	–	assertEquals(0, r.invocationCount);
2328	–	checkCompletedNormally(f, v1);
2329	–	checkCompletedWithWrappedCFException(g, ex);
2330	–	checkCompletedWithWrappedCFException(h, ex);
2331	–	}}
2332	–
2333	–	public void testRunAfterEither_exceptionalCompletion3() {
2334	–	for (ExecutionMode m : ExecutionMode.values())
2335	–	for (Integer v1 : new Integer[] { 1, null })
2336	–	{
2337	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2338	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2339	–	final Noop r = new Noop(m);
2827		final CFException ex = new CFException();
2828	+	final Noop[] rs = new Noop[6];
2829	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2830
2831	<	g.completeExceptionally(ex);
2832	<	f.complete(v1);
2833	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2831	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2832	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2833	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2834	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2835	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2836	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2837
2838	<	// unspecified behavior
2347	<	Integer v;
2838	>	// unspecified behavior - both source completions available
2839		try {
2840	<	assertNull(h.join());
2841	<	assertEquals(1, r.invocationCount);
2840	>	assertNull(h0.join());
2841	>	rs[0].assertInvoked();
2842		} catch (CompletionException ok) {
2843	<	checkCompletedWithWrappedCFException(h, ex);
2844	<	assertEquals(0, r.invocationCount);
2843	>	checkCompletedWithWrappedException(h0, ex);
2844	>	rs[0].assertNotInvoked();
2845		}
2355	–
2356	–	checkCompletedWithWrappedCFException(g, ex);
2357	–	checkCompletedNormally(f, v1);
2358	–	}}
2359	–
2360	–	public void testRunAfterEither_exceptionalCompletion4() {
2361	–	for (ExecutionMode m : ExecutionMode.values())
2362	–	for (Integer v1 : new Integer[] { 1, null })
2363	–	{
2364	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2365	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2366	–	final Noop r = new Noop(m);
2367	–	final CFException ex = new CFException();
2368	–
2369	–	f.completeExceptionally(ex);
2370	–	g.complete(v1);
2371	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2372	–
2373	–	// unspecified behavior
2374	–	Integer v;
2846		try {
2847	<	assertNull(h.join());
2848	<	assertEquals(1, r.invocationCount);
2847	>	assertNull(h1.join());
2848	>	rs[1].assertInvoked();
2849		} catch (CompletionException ok) {
2850	<	checkCompletedWithWrappedCFException(h, ex);
2851	<	assertEquals(0, r.invocationCount);
2850	>	checkCompletedWithWrappedException(h1, ex);
2851	>	rs[1].assertNotInvoked();
2852	>	}
2853	>	try {
2854	>	assertNull(h2.join());
2855	>	rs[2].assertInvoked();
2856	>	} catch (CompletionException ok) {
2857	>	checkCompletedWithWrappedException(h2, ex);
2858	>	rs[2].assertNotInvoked();
2859	>	}
2860	>	try {
2861	>	assertNull(h3.join());
2862	>	rs[3].assertInvoked();
2863	>	} catch (CompletionException ok) {
2864	>	checkCompletedWithWrappedException(h3, ex);
2865	>	rs[3].assertNotInvoked();
2866		}
2867
2383	–	checkCompletedWithWrappedCFException(f, ex);
2384	–	checkCompletedNormally(g, v1);
2385	–	}}
2386	–
2387	–	/**
2388	–	* runAfterEither result completes exceptionally if action does
2389	–	*/
2390	–	public void testRunAfterEither_actionFailed1() {
2391	–	for (ExecutionMode m : ExecutionMode.values())
2392	–	for (Integer v1 : new Integer[] { 1, null })
2393	–	for (Integer v2 : new Integer[] { 2, null })
2394	–	{
2395	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2396	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2397	–	final FailingRunnable r = new FailingRunnable(m);
2398	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2399	–
2400	–	f.complete(v1);
2401	–	checkCompletedWithWrappedCFException(h);
2402	–	g.complete(v2);
2403	–	checkCompletedNormally(f, v1);
2404	–	checkCompletedNormally(g, v2);
2405	–	}}
2406	–
2407	–	public void testRunAfterEither_actionFailed2() {
2408	–	for (ExecutionMode m : ExecutionMode.values())
2409	–	for (Integer v1 : new Integer[] { 1, null })
2410	–	for (Integer v2 : new Integer[] { 2, null })
2411	–	{
2412	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2413	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2414	–	final FailingRunnable r = new FailingRunnable(m);
2415	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2416	–
2417	–	g.complete(v2);
2418	–	checkCompletedWithWrappedCFException(h);
2419	–	f.complete(v1);
2868		checkCompletedNormally(f, v1);
2869	<	checkCompletedNormally(g, v2);
2869	>	checkCompletedExceptionally(g, ex);
2870		}}
2871
2872		/**
2873		* runAfterEither result completes exceptionally if either source cancelled
2874		*/
2875	<	public void testRunAfterEither_sourceCancelled1() {
2428	<	for (ExecutionMode m : ExecutionMode.values())
2429	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2430	<	for (Integer v1 : new Integer[] { 1, null })
2431	<	{
2432	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2433	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2434	<	final Noop r = new Noop(m);
2435	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2436	<
2437	<	assertTrue(f.cancel(mayInterruptIfRunning));
2438	<	checkCompletedWithWrappedCancellationException(h);
2439	<	g.complete(v1);
2440	<
2441	<	checkCancelled(f);
2442	<	assertEquals(0, r.invocationCount);
2443	<	checkCompletedNormally(g, v1);
2444	<	checkCompletedWithWrappedCancellationException(h);
2445	<	}}
2446	<
2447	<	public void testRunAfterEither_sourceCancelled2() {
2448	<	for (ExecutionMode m : ExecutionMode.values())
2449	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2450	<	for (Integer v1 : new Integer[] { 1, null })
2451	<	{
2452	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2453	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2454	<	final Noop r = new Noop(m);
2455	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2456	<
2457	<	assertTrue(g.cancel(mayInterruptIfRunning));
2458	<	checkCompletedWithWrappedCancellationException(h);
2459	<	f.complete(v1);
2460	<
2461	<	checkCancelled(g);
2462	<	assertEquals(0, r.invocationCount);
2463	<	checkCompletedNormally(f, v1);
2464	<	checkCompletedWithWrappedCancellationException(h);
2465	<	}}
2466	<
2467	<	public void testRunAfterEither_sourceCancelled3() {
2875	>	public void testRunAfterEither_sourceCancelled() {
2876		for (ExecutionMode m : ExecutionMode.values())
2877		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2878		for (Integer v1 : new Integer[] { 1, null })
2879		{
2880		final CompletableFuture<Integer> f = new CompletableFuture<>();
2881		final CompletableFuture<Integer> g = new CompletableFuture<>();
2882	<	final Noop r = new Noop(m);
2883	<
2476	<	assertTrue(g.cancel(mayInterruptIfRunning));
2477	<	f.complete(v1);
2478	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2882	>	final Noop[] rs = new Noop[6];
2883	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2884
2885	<	// unspecified behavior
2886	<	Integer v;
2885	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2886	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2887	>	checkIncomplete(h0);
2888	>	checkIncomplete(h1);
2889	>	rs[0].assertNotInvoked();
2890	>	rs[1].assertNotInvoked();
2891	>	f.cancel(mayInterruptIfRunning);
2892	>	checkCompletedWithWrappedCancellationException(h0);
2893	>	checkCompletedWithWrappedCancellationException(h1);
2894	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2895	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2896	>	checkCompletedWithWrappedCancellationException(h2);
2897	>	checkCompletedWithWrappedCancellationException(h3);
2898	>
2899	>	assertTrue(g.complete(v1));
2900	>
2901	>	// unspecified behavior - both source completions available
2902	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2903	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2904		try {
2905	<	assertNull(h.join());
2906	<	assertEquals(1, r.invocationCount);
2905	>	assertNull(h4.join());
2906	>	rs[4].assertInvoked();
2907		} catch (CompletionException ok) {
2908	<	checkCompletedWithWrappedCancellationException(h);
2909	<	assertEquals(0, r.invocationCount);
2908	>	checkCompletedWithWrappedCancellationException(h4);
2909	>	rs[4].assertNotInvoked();
2910	>	}
2911	>	try {
2912	>	assertNull(h5.join());
2913	>	rs[5].assertInvoked();
2914	>	} catch (CompletionException ok) {
2915	>	checkCompletedWithWrappedCancellationException(h5);
2916	>	rs[5].assertNotInvoked();
2917		}
2918
2919	<	checkCancelled(g);
2920	<	checkCompletedNormally(f, v1);
2919	>	checkCancelled(f);
2920	>	checkCompletedNormally(g, v1);
2921	>	checkCompletedWithWrappedCancellationException(h0);
2922	>	checkCompletedWithWrappedCancellationException(h1);
2923	>	checkCompletedWithWrappedCancellationException(h2);
2924	>	checkCompletedWithWrappedCancellationException(h3);
2925	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2926		}}
2927
2928	<	public void testRunAfterEither_sourceCancelled4() {
2928	>	/**
2929	>	* runAfterEither result completes exceptionally if action does
2930	>	*/
2931	>	public void testRunAfterEither_actionFailed() {
2932		for (ExecutionMode m : ExecutionMode.values())
2496	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2933		for (Integer v1 : new Integer[] { 1, null })
2934	+	for (Integer v2 : new Integer[] { 2, null })
2935		{
2936		final CompletableFuture<Integer> f = new CompletableFuture<>();
2937		final CompletableFuture<Integer> g = new CompletableFuture<>();
2938	<	final Noop r = new Noop(m);
2938	>	final FailingRunnable[] rs = new FailingRunnable[6];
2939	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2940
2941	<	assertTrue(f.cancel(mayInterruptIfRunning));
2942	<	g.complete(v1);
2943	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2944	<
2945	<	// unspecified behavior
2946	<	Integer v;
2947	<	try {
2948	<	assertNull(h.join());
2949	<	assertEquals(1, r.invocationCount);
2950	<	} catch (CompletionException ok) {
2951	<	checkCompletedWithWrappedCancellationException(h);
2952	<	assertEquals(0, r.invocationCount);
2953	<	}
2941	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2942	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2943	>	assertTrue(f.complete(v1));
2944	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2945	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2946	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2947	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2948	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2949	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2950	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2951	>	assertTrue(g.complete(v2));
2952	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2953	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2954	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2955	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2956
2957	<	checkCancelled(f);
2958	<	checkCompletedNormally(g, v1);
2957	>	checkCompletedNormally(f, v1);
2958	>	checkCompletedNormally(g, v2);
2959	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2960		}}
2961
2962		/**
#	Line 2528 | Line 2969 | public class CompletableFutureTest exten
2969		{
2970		final CompletableFuture<Integer> f = new CompletableFuture<>();
2971		final CompletableFutureInc r = new CompletableFutureInc(m);
2972	<	if (!createIncomplete) f.complete(v1);
2972	>	if (!createIncomplete) assertTrue(f.complete(v1));
2973		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2974	<	if (createIncomplete) f.complete(v1);
2974	>	if (createIncomplete) assertTrue(f.complete(v1));
2975
2976		checkCompletedNormally(g, inc(v1));
2977		checkCompletedNormally(f, v1);
2978	<	assertEquals(1, r.invocationCount);
2978	>	r.assertValue(v1);
2979		}}
2980
2981		/**
#	Line 2552 | Line 2993 | public class CompletableFutureTest exten
2993		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2994		if (createIncomplete) f.completeExceptionally(ex);
2995
2996	<	checkCompletedWithWrappedCFException(g, ex);
2997	<	checkCompletedWithWrappedCFException(f, ex);
2998	<	assertEquals(0, r.invocationCount);
2996	>	checkCompletedWithWrappedException(g, ex);
2997	>	checkCompletedExceptionally(f, ex);
2998	>	r.assertNotInvoked();
2999		}}
3000
3001		/**
#	Line 2568 | Line 3009 | public class CompletableFutureTest exten
3009		final CompletableFuture<Integer> f = new CompletableFuture<>();
3010		final FailingCompletableFutureFunction r
3011		= new FailingCompletableFutureFunction(m);
3012	<	if (!createIncomplete) f.complete(v1);
3012	>	if (!createIncomplete) assertTrue(f.complete(v1));
3013		final CompletableFuture<Integer> g = m.thenCompose(f, r);
3014	<	if (createIncomplete) f.complete(v1);
3014	>	if (createIncomplete) assertTrue(f.complete(v1));
3015
3016	<	checkCompletedWithWrappedCFException(g);
3016	>	checkCompletedWithWrappedException(g, r.ex);
3017		checkCompletedNormally(f, v1);
3018		}}
3019
#	Line 2597 | Line 3038 | public class CompletableFutureTest exten
3038		checkCancelled(f);
3039		}}
3040
3041	+	/**
3042	+	* thenCompose result completes exceptionally if the result of the action does
3043	+	*/
3044	+	public void testThenCompose_actionReturnsFailingFuture() {
3045	+	for (ExecutionMode m : ExecutionMode.values())
3046	+	for (int order = 0; order < 6; order++)
3047	+	for (Integer v1 : new Integer[] { 1, null })
3048	+	{
3049	+	final CFException ex = new CFException();
3050	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3051	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
3052	+	final CompletableFuture<Integer> h;
3053	+	// Test all permutations of orders
3054	+	switch (order) {
3055	+	case 0:
3056	+	assertTrue(f.complete(v1));
3057	+	assertTrue(g.completeExceptionally(ex));
3058	+	h = m.thenCompose(f, (x -> g));
3059	+	break;
3060	+	case 1:
3061	+	assertTrue(f.complete(v1));
3062	+	h = m.thenCompose(f, (x -> g));
3063	+	assertTrue(g.completeExceptionally(ex));
3064	+	break;
3065	+	case 2:
3066	+	assertTrue(g.completeExceptionally(ex));
3067	+	assertTrue(f.complete(v1));
3068	+	h = m.thenCompose(f, (x -> g));
3069	+	break;
3070	+	case 3:
3071	+	assertTrue(g.completeExceptionally(ex));
3072	+	h = m.thenCompose(f, (x -> g));
3073	+	assertTrue(f.complete(v1));
3074	+	break;
3075	+	case 4:
3076	+	h = m.thenCompose(f, (x -> g));
3077	+	assertTrue(f.complete(v1));
3078	+	assertTrue(g.completeExceptionally(ex));
3079	+	break;
3080	+	case 5:
3081	+	h = m.thenCompose(f, (x -> g));
3082	+	assertTrue(f.complete(v1));
3083	+	assertTrue(g.completeExceptionally(ex));
3084	+	break;
3085	+	default: throw new AssertionError();
3086	+	}
3087	+
3088	+	checkCompletedExceptionally(g, ex);
3089	+	checkCompletedWithWrappedException(h, ex);
3090	+	checkCompletedNormally(f, v1);
3091	+	}}
3092	+
3093		// other static methods
3094
3095		/**
#	Line 2613 | Line 3106 | public class CompletableFutureTest exten
3106		* when all components complete normally
3107		*/
3108		public void testAllOf_normal() throws Exception {
3109	<	for (int k = 1; k < 20; ++k) {
3110	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3111	<	for (int i = 0; i < k; ++i)
3109	>	for (int k = 1; k < 10; k++) {
3110	>	CompletableFuture<Integer>[] fs
3111	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3112	>	for (int i = 0; i < k; i++)
3113	>	fs[i] = new CompletableFuture<>();
3114	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3115	>	for (int i = 0; i < k; i++) {
3116	>	checkIncomplete(f);
3117	>	checkIncomplete(CompletableFuture.allOf(fs));
3118	>	fs[i].complete(one);
3119	>	}
3120	>	checkCompletedNormally(f, null);
3121	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3122	>	}
3123	>	}
3124	>
3125	>	public void testAllOf_normal_backwards() throws Exception {
3126	>	for (int k = 1; k < 10; k++) {
3127	>	CompletableFuture<Integer>[] fs
3128	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3129	>	for (int i = 0; i < k; i++)
3130		fs[i] = new CompletableFuture<>();
3131		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3132	<	for (int i = 0; i < k; ++i) {
3132	>	for (int i = k - 1; i >= 0; i--) {
3133		checkIncomplete(f);
3134		checkIncomplete(CompletableFuture.allOf(fs));
3135		fs[i].complete(one);
#	Line 2628 | Line 3139 | public class CompletableFutureTest exten
3139		}
3140		}
3141
3142	+	public void testAllOf_exceptional() throws Exception {
3143	+	for (int k = 1; k < 10; k++) {
3144	+	CompletableFuture<Integer>[] fs
3145	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3146	+	CFException ex = new CFException();
3147	+	for (int i = 0; i < k; i++)
3148	+	fs[i] = new CompletableFuture<>();
3149	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3150	+	for (int i = 0; i < k; i++) {
3151	+	checkIncomplete(f);
3152	+	checkIncomplete(CompletableFuture.allOf(fs));
3153	+	if (i != k / 2) {
3154	+	fs[i].complete(i);
3155	+	checkCompletedNormally(fs[i], i);
3156	+	} else {
3157	+	fs[i].completeExceptionally(ex);
3158	+	checkCompletedExceptionally(fs[i], ex);
3159	+	}
3160	+	}
3161	+	checkCompletedWithWrappedException(f, ex);
3162	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3163	+	}
3164	+	}
3165	+
3166		/**
3167		* anyOf(no component futures) returns an incomplete future
3168		*/
3169		public void testAnyOf_empty() throws Exception {
3170	+	for (Integer v1 : new Integer[] { 1, null })
3171	+	{
3172		CompletableFuture<Object> f = CompletableFuture.anyOf();
3173		checkIncomplete(f);
3174	<	}
3174	>
3175	>	f.complete(v1);
3176	>	checkCompletedNormally(f, v1);
3177	>	}}
3178
3179		/**
3180		* anyOf returns a future completed normally with a value when
3181		* a component future does
3182		*/
3183		public void testAnyOf_normal() throws Exception {
3184	<	for (int k = 0; k < 10; ++k) {
3184	>	for (int k = 0; k < 10; k++) {
3185		CompletableFuture[] fs = new CompletableFuture[k];
3186	<	for (int i = 0; i < k; ++i)
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 = 0; i < k; ++i) {
3191	<	fs[i].complete(one);
3192	<	checkCompletedNormally(f, one);
3193	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3190	>	for (int i = 0; i < k; i++) {
3191	>	fs[i].complete(i);
3192	>	checkCompletedNormally(f, 0);
3193	>	int x = (int) CompletableFuture.anyOf(fs).join();
3194	>	assertTrue(0 <= x && x <= i);
3195	>	}
3196	>	}
3197	>	}
3198	>	public void testAnyOf_normal_backwards() throws Exception {
3199	>	for (int k = 0; k < 10; k++) {
3200	>	CompletableFuture[] fs = new CompletableFuture[k];
3201	>	for (int i = 0; i < k; i++)
3202	>	fs[i] = new CompletableFuture<>();
3203	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3204	>	checkIncomplete(f);
3205	>	for (int i = k - 1; i >= 0; i--) {
3206	>	fs[i].complete(i);
3207	>	checkCompletedNormally(f, k - 1);
3208	>	int x = (int) CompletableFuture.anyOf(fs).join();
3209	>	assertTrue(i <= x && x <= k - 1);
3210		}
3211		}
3212		}
#	Line 2659 | Line 3215 | public class CompletableFutureTest exten
3215		* anyOf result completes exceptionally when any component does.
3216		*/
3217		public void testAnyOf_exceptional() throws Exception {
3218	<	for (int k = 0; k < 10; ++k) {
3218	>	for (int k = 0; k < 10; k++) {
3219	>	CompletableFuture[] fs = new CompletableFuture[k];
3220	>	CFException[] exs = new CFException[k];
3221	>	for (int i = 0; i < k; i++) {
3222	>	fs[i] = new CompletableFuture<>();
3223	>	exs[i] = new CFException();
3224	>	}
3225	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3226	>	checkIncomplete(f);
3227	>	for (int i = 0; i < k; i++) {
3228	>	fs[i].completeExceptionally(exs[i]);
3229	>	checkCompletedWithWrappedException(f, exs[0]);
3230	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3231	>	}
3232	>	}
3233	>	}
3234	>
3235	>	public void testAnyOf_exceptional_backwards() throws Exception {
3236	>	for (int k = 0; k < 10; k++) {
3237		CompletableFuture[] fs = new CompletableFuture[k];
3238	<	for (int i = 0; i < k; ++i)
3238	>	CFException[] exs = new CFException[k];
3239	>	for (int i = 0; i < k; i++) {
3240		fs[i] = new CompletableFuture<>();
3241	+	exs[i] = new CFException();
3242	+	}
3243		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3244		checkIncomplete(f);
3245	<	for (int i = 0; i < k; ++i) {
3246	<	fs[i].completeExceptionally(new CFException());
3247	<	checkCompletedWithWrappedCFException(f);
3245	>	for (int i = k - 1; i >= 0; i--) {
3246	>	fs[i].completeExceptionally(exs[i]);
3247	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3248		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3249		}
3250		}
#	Line 2676 | Line 3253 | public class CompletableFutureTest exten
3253		/**
3254		* Completion methods throw NullPointerException with null arguments
3255		*/
3256	+	@SuppressWarnings("FutureReturnValueIgnored")
3257		public void testNPE() {
3258		CompletableFuture<Integer> f = new CompletableFuture<>();
3259		CompletableFuture<Integer> g = new CompletableFuture<>();
3260		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2683	–	CompletableFuture<?> h;
3261		ThreadExecutor exec = new ThreadExecutor();
3262
3263		Runnable[] throwingActions = {
3264		() -> CompletableFuture.supplyAsync(null),
3265		() -> CompletableFuture.supplyAsync(null, exec),
3266	<	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
3266	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3267
3268		() -> CompletableFuture.runAsync(null),
3269		() -> CompletableFuture.runAsync(null, exec),
#	Line 2696 | Line 3273 | public class CompletableFutureTest exten
3273
3274		() -> f.thenApply(null),
3275		() -> f.thenApplyAsync(null),
3276	<	() -> f.thenApplyAsync((x) -> x, null),
3276	>	() -> f.thenApplyAsync(x -> x, null),
3277		() -> f.thenApplyAsync(null, exec),
3278
3279		() -> f.thenAccept(null),
3280		() -> f.thenAcceptAsync(null),
3281	<	() -> f.thenAcceptAsync((x) -> {} , null),
3281	>	() -> f.thenAcceptAsync(x -> {} , null),
3282		() -> f.thenAcceptAsync(null, exec),
3283
3284		() -> f.thenRun(null),
#	Line 2736 | Line 3313 | public class CompletableFutureTest exten
3313		() -> f.applyToEither(g, null),
3314		() -> f.applyToEitherAsync(g, null),
3315		() -> f.applyToEitherAsync(g, null, exec),
3316	<	() -> f.applyToEither(nullFuture, (x) -> x),
3317	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3318	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3319	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3316	>	() -> f.applyToEither(nullFuture, x -> x),
3317	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3318	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3319	>	() -> f.applyToEitherAsync(g, x -> x, null),
3320
3321		() -> f.acceptEither(g, null),
3322		() -> f.acceptEitherAsync(g, null),
3323		() -> f.acceptEitherAsync(g, null, exec),
3324	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3325	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3326	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3327	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3324	>	() -> f.acceptEither(nullFuture, x -> {}),
3325	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3326	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3327	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3328
3329		() -> f.runAfterEither(g, null),
3330		() -> f.runAfterEitherAsync(g, null),
#	Line 2777 | Line 3354 | public class CompletableFutureTest exten
3354		() -> CompletableFuture.anyOf(null, f),
3355
3356		() -> f.obtrudeException(null),
3357	+
3358	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3359	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3360	+	() -> CompletableFuture.delayedExecutor(1L, null),
3361	+
3362	+	() -> f.orTimeout(1L, null),
3363	+	() -> f.completeOnTimeout(42, 1L, null),
3364	+
3365	+	() -> CompletableFuture.failedFuture(null),
3366	+	() -> CompletableFuture.failedStage(null),
3367		};
3368
3369		assertThrows(NullPointerException.class, throwingActions);
#	Line 2784 | Line 3371 | public class CompletableFutureTest exten
3371		}
3372
3373		/**
3374	+	* Test submissions to an executor that rejects all tasks.
3375	+	*/
3376	+	public void testRejectingExecutor() {
3377	+	for (Integer v : new Integer[] { 1, null })
3378	+	{
3379	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3380	+
3381	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3382	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3383	+
3384	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3385	+
3386	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3387	+	srcs.add(complete);
3388	+	srcs.add(incomplete);
3389	+
3390	+	for (CompletableFuture<Integer> src : srcs) {
3391	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3392	+	fs.add(src.thenRunAsync(() -> {}, e));
3393	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3394	+	fs.add(src.thenApplyAsync(z -> z, e));
3395	+
3396	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3397	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3398	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3399	+
3400	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3401	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3402	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3403	+
3404	+	fs.add(src.thenComposeAsync(z -> null, e));
3405	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3406	+	fs.add(src.handleAsync((z, t) -> null, e));
3407	+
3408	+	for (CompletableFuture<?> future : fs) {
3409	+	if (src.isDone())
3410	+	checkCompletedWithWrappedException(future, e.ex);
3411	+	else
3412	+	checkIncomplete(future);
3413	+	}
3414	+	futures.addAll(fs);
3415	+	}
3416	+
3417	+	{
3418	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3419	+
3420	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3421	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3422	+
3423	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3424	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3425	+
3426	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3427	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3428	+
3429	+	for (CompletableFuture<?> future : fs)
3430	+	checkIncomplete(future);
3431	+	futures.addAll(fs);
3432	+	}
3433	+
3434	+	{
3435	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3436	+
3437	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3438	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3439	+
3440	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3441	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3442	+
3443	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3444	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3445	+
3446	+	for (CompletableFuture<?> future : fs)
3447	+	checkCompletedWithWrappedException(future, e.ex);
3448	+	futures.addAll(fs);
3449	+	}
3450	+
3451	+	incomplete.complete(v);
3452	+
3453	+	for (CompletableFuture<?> future : futures)
3454	+	checkCompletedWithWrappedException(future, e.ex);
3455	+
3456	+	assertEquals(futures.size(), e.count.get());
3457	+	}}
3458	+
3459	+	/**
3460	+	* Test submissions to an executor that rejects all tasks, but
3461	+	* should never be invoked because the dependent future is
3462	+	* explicitly completed.
3463	+	*/
3464	+	public void testRejectingExecutorNeverInvoked() {
3465	+	for (Integer v : new Integer[] { 1, null })
3466	+	{
3467	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3468	+
3469	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3470	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3471	+
3472	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3473	+
3474	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3475	+	srcs.add(complete);
3476	+	srcs.add(incomplete);
3477	+
3478	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3479	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3480	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3481	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3482	+
3483	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3484	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3485	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3486	+
3487	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3488	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3489	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3490	+
3491	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3492	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3493	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3494	+
3495	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3496	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3497	+
3498	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3499	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3500	+
3501	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3502	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3503	+
3504	+	for (CompletableFuture<?> future : fs)
3505	+	checkIncomplete(future);
3506	+
3507	+	for (CompletableFuture<?> future : fs)
3508	+	future.complete(null);
3509	+
3510	+	incomplete.complete(v);
3511	+
3512	+	for (CompletableFuture<?> future : fs)
3513	+	checkCompletedNormally(future, null);
3514	+
3515	+	assertEquals(0, e.count.get());
3516	+	}}
3517	+
3518	+	/**
3519		* toCompletableFuture returns this CompletableFuture.
3520		*/
3521		public void testToCompletableFuture() {
#	Line 2791 | Line 3523 | public class CompletableFutureTest exten
3523		assertSame(f, f.toCompletableFuture());
3524		}
3525
3526	+	// jdk9
3527	+
3528		/**
3529	<	* whenComplete action executes on normal completion, propagating
2796	<	* source result.
3529	>	* newIncompleteFuture returns an incomplete CompletableFuture
3530		*/
3531	<	public void testWhenComplete_normalCompletion1() {
2799	<	for (ExecutionMode m : ExecutionMode.values())
2800	<	for (boolean createIncomplete : new boolean[] { true, false })
3531	>	public void testNewIncompleteFuture() {
3532		for (Integer v1 : new Integer[] { 1, null })
3533		{
3534	<	final AtomicInteger a = new AtomicInteger(0);
3535	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3536	<	if (!createIncomplete) f.complete(v1);
3537	<	final CompletableFuture<Integer> g = m.whenComplete
3538	<	(f,
2808	<	(Integer x, Throwable t) -> {
2809	<	threadAssertSame(x, v1);
2810	<	threadAssertNull(t);
2811	<	a.getAndIncrement();
2812	<	});
2813	<	if (createIncomplete) f.complete(v1);
2814	<
2815	<	checkCompletedNormally(g, v1);
3534	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3535	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3536	>	checkIncomplete(f);
3537	>	checkIncomplete(g);
3538	>	f.complete(v1);
3539		checkCompletedNormally(f, v1);
3540	<	assertEquals(1, a.get());
3540	>	checkIncomplete(g);
3541	>	g.complete(v1);
3542	>	checkCompletedNormally(g, v1);
3543	>	assertSame(g.getClass(), CompletableFuture.class);
3544		}}
3545
3546		/**
3547	<	* whenComplete action executes on exceptional completion, propagating
2822	<	* source result.
3547	>	* completedStage returns a completed CompletionStage
3548		*/
3549	<	public void testWhenComplete_exceptionalCompletion() {
3550	<	for (ExecutionMode m : ExecutionMode.values())
3549	>	public void testCompletedStage() {
3550	>	AtomicInteger x = new AtomicInteger(0);
3551	>	AtomicReference<Throwable> r = new AtomicReference<>();
3552	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3553	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3554	>	assertEquals(x.get(), 1);
3555	>	assertNull(r.get());
3556	>	}
3557	>
3558	>	/**
3559	>	* defaultExecutor by default returns the commonPool if
3560	>	* it supports more than one thread.
3561	>	*/
3562	>	public void testDefaultExecutor() {
3563	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3564	>	Executor e = f.defaultExecutor();
3565	>	Executor c = ForkJoinPool.commonPool();
3566	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3567	>	assertSame(e, c);
3568	>	else
3569	>	assertNotSame(e, c);
3570	>	}
3571	>
3572	>	/**
3573	>	* failedFuture returns a CompletableFuture completed
3574	>	* exceptionally with the given Exception
3575	>	*/
3576	>	public void testFailedFuture() {
3577	>	CFException ex = new CFException();
3578	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3579	>	checkCompletedExceptionally(f, ex);
3580	>	}
3581	>
3582	>	/**
3583	>	* failedFuture(null) throws NPE
3584	>	*/
3585	>	public void testFailedFuture_null() {
3586	>	try {
3587	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3588	>	shouldThrow();
3589	>	} catch (NullPointerException success) {}
3590	>	}
3591	>
3592	>	/**
3593	>	* copy returns a CompletableFuture that is completed normally,
3594	>	* with the same value, when source is.
3595	>	*/
3596	>	public void testCopy_normalCompletion() {
3597		for (boolean createIncomplete : new boolean[] { true, false })
3598		for (Integer v1 : new Integer[] { 1, null })
3599		{
3600	<	final AtomicInteger a = new AtomicInteger(0);
3601	<	final CFException ex = new CFException();
3602	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3600	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3601	>	if (!createIncomplete) assertTrue(f.complete(v1));
3602	>	CompletableFuture<Integer> g = f.copy();
3603	>	if (createIncomplete) {
3604	>	checkIncomplete(f);
3605	>	checkIncomplete(g);
3606	>	assertTrue(f.complete(v1));
3607	>	}
3608	>	checkCompletedNormally(f, v1);
3609	>	checkCompletedNormally(g, v1);
3610	>	}}
3611	>
3612	>	/**
3613	>	* copy returns a CompletableFuture that is completed exceptionally
3614	>	* when source is.
3615	>	*/
3616	>	public void testCopy_exceptionalCompletion() {
3617	>	for (boolean createIncomplete : new boolean[] { true, false })
3618	>	{
3619	>	CFException ex = new CFException();
3620	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3621		if (!createIncomplete) f.completeExceptionally(ex);
3622	<	final CompletableFuture<Integer> g = m.whenComplete
3623	<	(f,
3624	<	(Integer x, Throwable t) -> {
3625	<	threadAssertNull(x);
3626	<	threadAssertSame(t, ex);
3627	<	a.getAndIncrement();
3628	<	});
3629	<	if (createIncomplete) f.completeExceptionally(ex);
2841	<	checkCompletedWithWrappedCFException(f, ex);
2842	<	checkCompletedWithWrappedCFException(g, ex);
2843	<	assertEquals(1, a.get());
3622	>	CompletableFuture<Integer> g = f.copy();
3623	>	if (createIncomplete) {
3624	>	checkIncomplete(f);
3625	>	checkIncomplete(g);
3626	>	f.completeExceptionally(ex);
3627	>	}
3628	>	checkCompletedExceptionally(f, ex);
3629	>	checkCompletedWithWrappedException(g, ex);
3630		}}
3631
3632		/**
3633	<	* whenComplete action executes on cancelled source, propagating
2848	<	* CancellationException.
3633	>	* Completion of a copy does not complete its source.
3634		*/
3635	<	public void testWhenComplete_sourceCancelled() {
3635	>	public void testCopy_oneWayPropagation() {
3636	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3637	>	assertTrue(f.copy().complete(1));
3638	>	assertTrue(f.copy().complete(null));
3639	>	assertTrue(f.copy().cancel(true));
3640	>	assertTrue(f.copy().cancel(false));
3641	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3642	>	checkIncomplete(f);
3643	>	}
3644	>
3645	>	/**
3646	>	* minimalCompletionStage returns a CompletableFuture that is
3647	>	* completed normally, with the same value, when source is.
3648	>	*/
3649	>	public void testMinimalCompletionStage() {
3650	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3651	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3652	>	AtomicInteger x = new AtomicInteger(0);
3653	>	AtomicReference<Throwable> r = new AtomicReference<>();
3654	>	checkIncomplete(f);
3655	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3656	>	f.complete(1);
3657	>	checkCompletedNormally(f, 1);
3658	>	assertEquals(x.get(), 1);
3659	>	assertNull(r.get());
3660	>	}
3661	>
3662	>	/**
3663	>	* minimalCompletionStage returns a CompletableFuture that is
3664	>	* completed exceptionally when source is.
3665	>	*/
3666	>	public void testMinimalCompletionStage2() {
3667	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3668	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3669	>	AtomicInteger x = new AtomicInteger(0);
3670	>	AtomicReference<Throwable> r = new AtomicReference<>();
3671	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3672	>	checkIncomplete(f);
3673	>	CFException ex = new CFException();
3674	>	f.completeExceptionally(ex);
3675	>	checkCompletedExceptionally(f, ex);
3676	>	assertEquals(x.get(), 0);
3677	>	assertEquals(r.get().getCause(), ex);
3678	>	}
3679	>
3680	>	/**
3681	>	* failedStage returns a CompletionStage completed
3682	>	* exceptionally with the given Exception
3683	>	*/
3684	>	public void testFailedStage() {
3685	>	CFException ex = new CFException();
3686	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3687	>	AtomicInteger x = new AtomicInteger(0);
3688	>	AtomicReference<Throwable> r = new AtomicReference<>();
3689	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3690	>	assertEquals(x.get(), 0);
3691	>	assertEquals(r.get(), ex);
3692	>	}
3693	>
3694	>	/**
3695	>	* completeAsync completes with value of given supplier
3696	>	*/
3697	>	public void testCompleteAsync() {
3698	>	for (Integer v1 : new Integer[] { 1, null })
3699	>	{
3700	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3701	>	f.completeAsync(() -> v1);
3702	>	f.join();
3703	>	checkCompletedNormally(f, v1);
3704	>	}}
3705	>
3706	>	/**
3707	>	* completeAsync completes exceptionally if given supplier throws
3708	>	*/
3709	>	public void testCompleteAsync2() {
3710	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3711	>	CFException ex = new CFException();
3712	>	f.completeAsync(() -> { throw ex; });
3713	>	try {
3714	>	f.join();
3715	>	shouldThrow();
3716	>	} catch (CompletionException success) {}
3717	>	checkCompletedWithWrappedException(f, ex);
3718	>	}
3719	>
3720	>	/**
3721	>	* completeAsync with given executor completes with value of given supplier
3722	>	*/
3723	>	public void testCompleteAsync3() {
3724	>	for (Integer v1 : new Integer[] { 1, null })
3725	>	{
3726	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3727	>	ThreadExecutor executor = new ThreadExecutor();
3728	>	f.completeAsync(() -> v1, executor);
3729	>	assertSame(v1, f.join());
3730	>	checkCompletedNormally(f, v1);
3731	>	assertEquals(1, executor.count.get());
3732	>	}}
3733	>
3734	>	/**
3735	>	* completeAsync with given executor completes exceptionally if
3736	>	* given supplier throws
3737	>	*/
3738	>	public void testCompleteAsync4() {
3739	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3740	>	CFException ex = new CFException();
3741	>	ThreadExecutor executor = new ThreadExecutor();
3742	>	f.completeAsync(() -> { throw ex; }, executor);
3743	>	try {
3744	>	f.join();
3745	>	shouldThrow();
3746	>	} catch (CompletionException success) {}
3747	>	checkCompletedWithWrappedException(f, ex);
3748	>	assertEquals(1, executor.count.get());
3749	>	}
3750	>
3751	>	/**
3752	>	* orTimeout completes with TimeoutException if not complete
3753	>	*/
3754	>	public void testOrTimeout_timesOut() {
3755	>	long timeoutMillis = timeoutMillis();
3756	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3757	>	long startTime = System.nanoTime();
3758	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3759	>	checkCompletedWithTimeoutException(f);
3760	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3761	>	}
3762	>
3763	>	/**
3764	>	* orTimeout completes normally if completed before timeout
3765	>	*/
3766	>	public void testOrTimeout_completed() {
3767	>	for (Integer v1 : new Integer[] { 1, null })
3768	>	{
3769	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3770	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3771	>	long startTime = System.nanoTime();
3772	>	f.complete(v1);
3773	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3774	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3775	>	g.complete(v1);
3776	>	checkCompletedNormally(f, v1);
3777	>	checkCompletedNormally(g, v1);
3778	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3779	>	}}
3780	>
3781	>	/**
3782	>	* completeOnTimeout completes with given value if not complete
3783	>	*/
3784	>	public void testCompleteOnTimeout_timesOut() {
3785	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3786	>	() -> testCompleteOnTimeout_timesOut(null));
3787	>	}
3788	>
3789	>	/**
3790	>	* completeOnTimeout completes with given value if not complete
3791	>	*/
3792	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3793	>	long timeoutMillis = timeoutMillis();
3794	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3795	>	long startTime = System.nanoTime();
3796	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3797	>	assertSame(v, f.join());
3798	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3799	>	f.complete(99);         // should have no effect
3800	>	checkCompletedNormally(f, v);
3801	>	}
3802	>
3803	>	/**
3804	>	* completeOnTimeout has no effect if completed within timeout
3805	>	*/
3806	>	public void testCompleteOnTimeout_completed() {
3807	>	for (Integer v1 : new Integer[] { 1, null })
3808	>	{
3809	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3810	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3811	>	long startTime = System.nanoTime();
3812	>	f.complete(v1);
3813	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3814	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3815	>	g.complete(v1);
3816	>	checkCompletedNormally(f, v1);
3817	>	checkCompletedNormally(g, v1);
3818	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3819	>	}}
3820	>
3821	>	/**
3822	>	* delayedExecutor returns an executor that delays submission
3823	>	*/
3824	>	public void testDelayedExecutor() {
3825	>	testInParallel(() -> testDelayedExecutor(null, null),
3826	>	() -> testDelayedExecutor(null, 1),
3827	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3828	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3829	>	}
3830	>
3831	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3832	>	long timeoutMillis = timeoutMillis();
3833	>	// Use an "unreasonably long" long timeout to catch lingering threads
3834	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3835	>	final Executor delayer, longDelayer;
3836	>	if (executor == null) {
3837	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3838	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3839	>	} else {
3840	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3841	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3842	>	}
3843	>	long startTime = System.nanoTime();
3844	>	CompletableFuture<Integer> f =
3845	>	CompletableFuture.supplyAsync(() -> v, delayer);
3846	>	CompletableFuture<Integer> g =
3847	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3848	>
3849	>	assertNull(g.getNow(null));
3850	>
3851	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3852	>	long millisElapsed = millisElapsedSince(startTime);
3853	>	assertTrue(millisElapsed >= timeoutMillis);
3854	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3855	>
3856	>	checkCompletedNormally(f, v);
3857	>
3858	>	checkIncomplete(g);
3859	>	assertTrue(g.cancel(true));
3860	>	}
3861	>
3862	>	//--- tests of implementation details; not part of official tck ---
3863	>
3864	>	Object resultOf(CompletableFuture<?> f) {
3865	>	SecurityManager sm = System.getSecurityManager();
3866	>	if (sm != null) {
3867	>	try {
3868	>	System.setSecurityManager(null);
3869	>	} catch (SecurityException giveUp) {
3870	>	return "Reflection not available";
3871	>	}
3872	>	}
3873	>
3874	>	try {
3875	>	java.lang.reflect.Field resultField
3876	>	= CompletableFuture.class.getDeclaredField("result");
3877	>	resultField.setAccessible(true);
3878	>	return resultField.get(f);
3879	>	} catch (Throwable t) {
3880	>	throw new AssertionError(t);
3881	>	} finally {
3882	>	if (sm != null) System.setSecurityManager(sm);
3883	>	}
3884	>	}
3885	>
3886	>	public void testExceptionPropagationReusesResultObject() {
3887	>	if (!testImplementationDetails) return;
3888		for (ExecutionMode m : ExecutionMode.values())
2852	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2853	–	for (boolean createIncomplete : new boolean[] { true, false })
3889		{
3890	<	final AtomicInteger a = new AtomicInteger(0);
3891	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3892	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2858	<	final CompletableFuture<Integer> g = m.whenComplete
2859	<	(f,
2860	<	(Integer x, Throwable t) -> {
2861	<	threadAssertNull(x);
2862	<	threadAssertTrue(t instanceof CancellationException);
2863	<	a.getAndIncrement();
2864	<	});
2865	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3890	>	final CFException ex = new CFException();
3891	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3892	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3893
3894	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3895	<	checkCompletedWithWrappedCancellationException(g);
3896	<	checkCancelled(f);
3897	<	assertEquals(1, a.get());
3894	>	final Runnable noopRunnable = new Noop(m);
3895	>	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3896	>	final Function<Integer, Integer> incFunction = new IncFunction(m);
3897	>
3898	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3899	>	= new ArrayList<>();
3900	>
3901	>	funs.add(y -> m.thenRun(y, noopRunnable));
3902	>	funs.add(y -> m.thenAccept(y, noopConsumer));
3903	>	funs.add(y -> m.thenApply(y, incFunction));
3904	>
3905	>	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3906	>	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3907	>	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3908	>
3909	>	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3910	>	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3911	>	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3912	>	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3913	>	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3914	>	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3915	>
3916	>	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3917	>
3918	>	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3919	>
3920	>	funs.add(y -> CompletableFuture.allOf(y));
3921	>	funs.add(y -> CompletableFuture.allOf(y, v42));
3922	>	funs.add(y -> CompletableFuture.allOf(v42, y));
3923	>	funs.add(y -> CompletableFuture.anyOf(y));
3924	>	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3925	>	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3926	>
3927	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3928	>	fun : funs) {
3929	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3930	>	f.completeExceptionally(ex);
3931	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3932	>	checkCompletedWithWrappedException(src, ex);
3933	>	CompletableFuture<?> dep = fun.apply(src);
3934	>	checkCompletedWithWrappedException(dep, ex);
3935	>	assertSame(resultOf(src), resultOf(dep));
3936	>	}
3937	>
3938	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3939	>	fun : funs) {
3940	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3941	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3942	>	CompletableFuture<?> dep = fun.apply(src);
3943	>	f.completeExceptionally(ex);
3944	>	checkCompletedWithWrappedException(src, ex);
3945	>	checkCompletedWithWrappedException(dep, ex);
3946	>	assertSame(resultOf(src), resultOf(dep));
3947	>	}
3948	>
3949	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3950	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3951	>	fun : funs) {
3952	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3953	>	f.cancel(mayInterruptIfRunning);
3954	>	checkCancelled(f);
3955	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3956	>	checkCompletedWithWrappedCancellationException(src);
3957	>	CompletableFuture<?> dep = fun.apply(src);
3958	>	checkCompletedWithWrappedCancellationException(dep);
3959	>	assertSame(resultOf(src), resultOf(dep));
3960	>	}
3961	>
3962	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3963	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3964	>	fun : funs) {
3965	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3966	>	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3967	>	CompletableFuture<?> dep = fun.apply(src);
3968	>	f.cancel(mayInterruptIfRunning);
3969	>	checkCancelled(f);
3970	>	checkCompletedWithWrappedCancellationException(src);
3971	>	checkCompletedWithWrappedCancellationException(dep);
3972	>	assertSame(resultOf(src), resultOf(dep));
3973	>	}
3974		}}
3975
3976		/**
3977	<	* If a whenComplete action throws an exception when triggered by
3978	<	* a normal completion, it completes exceptionally
3977	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3978	>	*/
3979	>	public void testMinimalCompletionStage_minimality() {
3980	>	if (!testImplementationDetails) return;
3981	>	Function<Method, String> toSignature =
3982	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3983	>	Predicate<Method> isNotStatic =
3984	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3985	>	List<Method> minimalMethods =
3986	>	Stream.of(Object.class, CompletionStage.class)
3987	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3988	>	.filter(isNotStatic)
3989	>	.collect(Collectors.toList());
3990	>	// Methods from CompletableFuture permitted NOT to throw UOE
3991	>	String[] signatureWhitelist = {
3992	>	"newIncompleteFuture[]",
3993	>	"defaultExecutor[]",
3994	>	"minimalCompletionStage[]",
3995	>	"copy[]",
3996	>	};
3997	>	Set<String> permittedMethodSignatures =
3998	>	Stream.concat(minimalMethods.stream().map(toSignature),
3999	>	Stream.of(signatureWhitelist))
4000	>	.collect(Collectors.toSet());
4001	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
4002	>	.filter(isNotStatic)
4003	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
4004	>	.collect(Collectors.toList());
4005	>
4006	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
4007	>	CompletionStage<Integer> min =
4008	>	new CompletableFuture<Integer>().minimalCompletionStage();
4009	>	stages.add(min);
4010	>	stages.add(min.thenApply(x -> x));
4011	>	stages.add(CompletableFuture.completedStage(1));
4012	>	stages.add(CompletableFuture.failedStage(new CFException()));
4013	>
4014	>	List<Method> bugs = new ArrayList<>();
4015	>	for (Method method : allMethods) {
4016	>	Class<?>[] parameterTypes = method.getParameterTypes();
4017	>	Object[] args = new Object[parameterTypes.length];
4018	>	// Manufacture boxed primitives for primitive params
4019	>	for (int i = 0; i < args.length; i++) {
4020	>	Class<?> type = parameterTypes[i];
4021	>	if (parameterTypes[i] == boolean.class)
4022	>	args[i] = false;
4023	>	else if (parameterTypes[i] == int.class)
4024	>	args[i] = 0;
4025	>	else if (parameterTypes[i] == long.class)
4026	>	args[i] = 0L;
4027	>	}
4028	>	for (CompletionStage<Integer> stage : stages) {
4029	>	try {
4030	>	method.invoke(stage, args);
4031	>	bugs.add(method);
4032	>	}
4033	>	catch (java.lang.reflect.InvocationTargetException expected) {
4034	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4035	>	bugs.add(method);
4036	>	// expected.getCause().printStackTrace();
4037	>	}
4038	>	}
4039	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4040	>	}
4041	>	}
4042	>	if (!bugs.isEmpty())
4043	>	throw new Error("Methods did not throw UOE: " + bugs);
4044	>	}
4045	>
4046	>	/**
4047	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4048	>	* is completed normally, with the same value, when source is.
4049		*/
4050	<	public void testWhenComplete_actionFailed() {
4050	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4051		for (boolean createIncomplete : new boolean[] { true, false })
2879	–	for (ExecutionMode m : ExecutionMode.values())
4052		for (Integer v1 : new Integer[] { 1, null })
4053		{
4054	<	final AtomicInteger a = new AtomicInteger(0);
4055	<	final CFException ex = new CFException();
4056	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4057	<	if (!createIncomplete) f.complete(v1);
4058	<	final CompletableFuture<Integer> g = m.whenComplete
4059	<	(f,
4060	<	(Integer x, Throwable t) -> {
4061	<	threadAssertSame(x, v1);
4062	<	threadAssertNull(t);
2891	<	a.getAndIncrement();
2892	<	throw ex;
2893	<	});
2894	<	if (createIncomplete) f.complete(v1);
4054	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4055	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4056	>	if (!createIncomplete) assertTrue(f.complete(v1));
4057	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4058	>	if (createIncomplete) {
4059	>	checkIncomplete(f);
4060	>	checkIncomplete(g);
4061	>	assertTrue(f.complete(v1));
4062	>	}
4063		checkCompletedNormally(f, v1);
4064	<	checkCompletedWithWrappedCFException(g, ex);
2897	<	assertEquals(1, a.get());
4064	>	checkCompletedNormally(g, v1);
4065		}}
4066
4067		/**
4068	<	* If a whenComplete action throws an exception when triggered by
4069	<	* a source completion that also throws an exception, the source
2903	<	* exception takes precedence.
4068	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4069	>	* is completed exceptionally when source is.
4070		*/
4071	<	public void testWhenComplete_actionFailedSourceFailed() {
4071	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4072		for (boolean createIncomplete : new boolean[] { true, false })
4073	<	for (ExecutionMode m : ExecutionMode.values())
4073	>	{
4074	>	CFException ex = new CFException();
4075	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4076	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4077	>	if (!createIncomplete) f.completeExceptionally(ex);
4078	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4079	>	if (createIncomplete) {
4080	>	checkIncomplete(f);
4081	>	checkIncomplete(g);
4082	>	f.completeExceptionally(ex);
4083	>	}
4084	>	checkCompletedExceptionally(f, ex);
4085	>	checkCompletedWithWrappedException(g, ex);
4086	>	}}
4087	>
4088	>	/**
4089	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4090	>	*/
4091	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4092		for (Integer v1 : new Integer[] { 1, null })
4093		{
4094	<	final AtomicInteger a = new AtomicInteger(0);
4095	<	final CFException ex1 = new CFException();
4096	<	final CFException ex2 = new CFException();
4097	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
4094	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4095	>	CompletionStage minimal = f.minimalCompletionStage();
4096	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4097	>	assertTrue(g.complete(v1));
4098	>	checkCompletedNormally(g, v1);
4099	>	checkIncomplete(f);
4100	>	checkIncomplete(minimal.toCompletableFuture());
4101	>	}}
4102
4103	<	if (!createIncomplete) f.completeExceptionally(ex1);
4104	<	final CompletableFuture<Integer> g = m.whenComplete
4105	<	(f,
4106	<	(Integer x, Throwable t) -> {
4107	<	threadAssertSame(t, ex1);
4108	<	threadAssertNull(x);
4109	<	a.getAndIncrement();
4110	<	throw ex2;
4111	<	});
4112	<	if (createIncomplete) f.completeExceptionally(ex1);
4103	>	/**
4104	>	* minimalStage.toCompletableFuture().join() awaits completion
4105	>	*/
4106	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4107	>	for (boolean createIncomplete : new boolean[] { true, false })
4108	>	for (Integer v1 : new Integer[] { 1, null })
4109	>	{
4110	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4111	>	if (!createIncomplete) assertTrue(f.complete(v1));
4112	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4113	>	if (createIncomplete) assertTrue(f.complete(v1));
4114	>	assertEquals(v1, minimal.toCompletableFuture().join());
4115	>	assertEquals(v1, minimal.toCompletableFuture().get());
4116	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4117	>	}}
4118
4119	<	checkCompletedWithWrappedCFException(f, ex1);
4120	<	checkCompletedWithWrappedCFException(g, ex1);
4121	<	assertEquals(1, a.get());
4119	>	/**
4120	>	* Completion of a toCompletableFuture copy of a minimal stage
4121	>	* does not complete its source.
4122	>	*/
4123	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4124	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4125	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4126	>	assertTrue(g.toCompletableFuture().complete(1));
4127	>	assertTrue(g.toCompletableFuture().complete(null));
4128	>	assertTrue(g.toCompletableFuture().cancel(true));
4129	>	assertTrue(g.toCompletableFuture().cancel(false));
4130	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4131	>	checkIncomplete(g.toCompletableFuture());
4132	>	f.complete(1);
4133	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4134	>	}
4135	>
4136	>	/** Demo utility method for external reliable toCompletableFuture */
4137	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4138	>	CompletableFuture<T> f = new CompletableFuture<>();
4139	>	stage.handle((T t, Throwable ex) -> {
4140	>	if (ex != null) f.completeExceptionally(ex);
4141	>	else f.complete(t);
4142	>	return null;
4143	>	});
4144	>	return f;
4145	>	}
4146	>
4147	>	/** Demo utility method to join a CompletionStage */
4148	>	static <T> T join(CompletionStage<T> stage) {
4149	>	return toCompletableFuture(stage).join();
4150	>	}
4151	>
4152	>	/**
4153	>	* Joining a minimal stage "by hand" works
4154	>	*/
4155	>	public void testMinimalCompletionStage_join_by_hand() {
4156	>	for (boolean createIncomplete : new boolean[] { true, false })
4157	>	for (Integer v1 : new Integer[] { 1, null })
4158	>	{
4159	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4160	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4161	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4162	>	if (!createIncomplete) assertTrue(f.complete(v1));
4163	>	minimal.thenAccept(x -> g.complete(x));
4164	>	if (createIncomplete) assertTrue(f.complete(v1));
4165	>	g.join();
4166	>	checkCompletedNormally(g, v1);
4167	>	checkCompletedNormally(f, v1);
4168	>	assertEquals(v1, join(minimal));
4169		}}
4170
4171	+	static class Monad {
4172	+	static class ZeroException extends RuntimeException {
4173	+	public ZeroException() { super("monadic zero"); }
4174	+	}
4175	+	// "return", "unit"
4176	+	static <T> CompletableFuture<T> unit(T value) {
4177	+	return completedFuture(value);
4178	+	}
4179	+	// monadic zero ?
4180	+	static <T> CompletableFuture<T> zero() {
4181	+	return failedFuture(new ZeroException());
4182	+	}
4183	+	// >=>
4184	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
4185	+	(Function<T, CompletableFuture<U>> f,
4186	+	Function<U, CompletableFuture<V>> g) {
4187	+	return x -> f.apply(x).thenCompose(g);
4188	+	}
4189	+
4190	+	static void assertZero(CompletableFuture<?> f) {
4191	+	try {
4192	+	f.getNow(null);
4193	+	throw new AssertionFailedError("should throw");
4194	+	} catch (CompletionException success) {
4195	+	assertTrue(success.getCause() instanceof ZeroException);
4196	+	}
4197	+	}
4198	+
4199	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4200	+	CompletableFuture<T> g) {
4201	+	T fval = null, gval = null;
4202	+	Throwable fex = null, gex = null;
4203	+
4204	+	try { fval = f.get(); }
4205	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4206	+	catch (Throwable ex) { fex = ex; }
4207	+
4208	+	try { gval = g.get(); }
4209	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4210	+	catch (Throwable ex) { gex = ex; }
4211	+
4212	+	if (fex != null || gex != null)
4213	+	assertSame(fex.getClass(), gex.getClass());
4214	+	else
4215	+	assertEquals(fval, gval);
4216	+	}
4217	+
4218	+	static class PlusFuture<T> extends CompletableFuture<T> {
4219	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4220	+	}
4221	+
4222	+	/** Implements "monadic plus". */
4223	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4224	+	CompletableFuture<? extends T> g) {
4225	+	PlusFuture<T> plus = new PlusFuture<T>();
4226	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4227	+	try {
4228	+	if (ex == null) {
4229	+	if (plus.complete(result))
4230	+	if (plus.firstFailure.get() != null)
4231	+	plus.firstFailure.set(null);
4232	+	}
4233	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4234	+	if (plus.isDone())
4235	+	plus.firstFailure.set(null);
4236	+	}
4237	+	else {
4238	+	// first failure has precedence
4239	+	Throwable first = plus.firstFailure.getAndSet(null);
4240	+
4241	+	// may fail with "Self-suppression not permitted"
4242	+	try { first.addSuppressed(ex); }
4243	+	catch (Exception ignored) {}
4244	+
4245	+	plus.completeExceptionally(first);
4246	+	}
4247	+	} catch (Throwable unexpected) {
4248	+	plus.completeExceptionally(unexpected);
4249	+	}
4250	+	};
4251	+	f.whenComplete(action);
4252	+	g.whenComplete(action);
4253	+	return plus;
4254	+	}
4255	+	}
4256	+
4257	+	/**
4258	+	* CompletableFuture is an additive monad - sort of.
4259	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4260	+	*/
4261	+	public void testAdditiveMonad() throws Throwable {
4262	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4263	+	CompletableFuture<Long> zero = Monad.zero();
4264	+
4265	+	// Some mutually non-commutative functions
4266	+	Function<Long, CompletableFuture<Long>> triple
4267	+	= x -> Monad.unit(3 * x);
4268	+	Function<Long, CompletableFuture<Long>> inc
4269	+	= x -> Monad.unit(x + 1);
4270	+
4271	+	// unit is a right identity: m >>= unit === m
4272	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4273	+	inc.apply(5L));
4274	+	// unit is a left identity: (unit x) >>= f === f x
4275	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4276	+	inc.apply(5L));
4277	+
4278	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4279	+	Monad.assertFutureEquals(
4280	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4281	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4282	+
4283	+	// The case for CompletableFuture as an additive monad is weaker...
4284	+
4285	+	// zero is a monadic zero
4286	+	Monad.assertZero(zero);
4287	+
4288	+	// left zero: zero >>= f === zero
4289	+	Monad.assertZero(zero.thenCompose(inc));
4290	+	// right zero: f >>= (\x -> zero) === zero
4291	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4292	+
4293	+	// f plus zero === f
4294	+	Monad.assertFutureEquals(Monad.unit(5L),
4295	+	Monad.plus(Monad.unit(5L), zero));
4296	+	// zero plus f === f
4297	+	Monad.assertFutureEquals(Monad.unit(5L),
4298	+	Monad.plus(zero, Monad.unit(5L)));
4299	+	// zero plus zero === zero
4300	+	Monad.assertZero(Monad.plus(zero, zero));
4301	+	{
4302	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4303	+	Monad.unit(8L));
4304	+	// non-determinism
4305	+	assertTrue(f.get() == 5L || f.get() == 8L);
4306	+	}
4307	+
4308	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4309	+	// f plus godot === f (doesn't wait for godot)
4310	+	Monad.assertFutureEquals(Monad.unit(5L),
4311	+	Monad.plus(Monad.unit(5L), godot));
4312	+	// godot plus f === f (doesn't wait for godot)
4313	+	Monad.assertFutureEquals(Monad.unit(5L),
4314	+	Monad.plus(godot, Monad.unit(5L)));
4315	+	}
4316	+
4317	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4318	+	@SuppressWarnings("FutureReturnValueIgnored")
4319	+	public void testRecursiveChains() throws Throwable {
4320	+	for (ExecutionMode m : ExecutionMode.values())
4321	+	for (boolean addDeadEnds : new boolean[] { true, false })
4322	+	{
4323	+	final int val = 42;
4324	+	final int n = expensiveTests ? 1_000 : 2;
4325	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4326	+	CompletableFuture<Integer> tail = head;
4327	+	for (int i = 0; i < n; i++) {
4328	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4329	+	tail = m.thenApply(tail, v -> v + 1);
4330	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4331	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4332	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4333	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4334	+	}
4335	+	head.complete(val);
4336	+	assertEquals(val + 3 * n, (int) tail.join());
4337	+	}}
4338	+
4339	+	/**
4340	+	* A single CompletableFuture with many dependents.
4341	+	* A demo of scalability - runtime is O(n).
4342	+	*/
4343	+	@SuppressWarnings("FutureReturnValueIgnored")
4344	+	public void testManyDependents() throws Throwable {
4345	+	final int n = expensiveTests ? 1_000_000 : 10;
4346	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4347	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4348	+	final AtomicInteger count = new AtomicInteger(0);
4349	+	for (int i = 0; i < n; i++) {
4350	+	head.thenRun(() -> count.getAndIncrement());
4351	+	head.thenAccept(x -> count.getAndIncrement());
4352	+	head.thenApply(x -> count.getAndIncrement());
4353	+
4354	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4355	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4356	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4357	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4358	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4359	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4360	+
4361	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4362	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4363	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4364	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4365	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4366	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4367	+	}
4368	+	head.complete(null);
4369	+	assertEquals(5 * 3 * n, count.get());
4370	+	}
4371	+
4372	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4373	+	@SuppressWarnings("FutureReturnValueIgnored")
4374	+	public void testCoCompletionGarbageRetention() throws Throwable {
4375	+	final int n = expensiveTests ? 1_000_000 : 10;
4376	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4377	+	CompletableFuture<Integer> f;
4378	+	for (int i = 0; i < n; i++) {
4379	+	f = new CompletableFuture<>();
4380	+	f.runAfterEither(incomplete, () -> {});
4381	+	f.complete(null);
4382	+
4383	+	f = new CompletableFuture<>();
4384	+	f.acceptEither(incomplete, x -> {});
4385	+	f.complete(null);
4386	+
4387	+	f = new CompletableFuture<>();
4388	+	f.applyToEither(incomplete, x -> x);
4389	+	f.complete(null);
4390	+
4391	+	f = new CompletableFuture<>();
4392	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4393	+	f.complete(null);
4394	+	}
4395	+
4396	+	for (int i = 0; i < n; i++) {
4397	+	f = new CompletableFuture<>();
4398	+	incomplete.runAfterEither(f, () -> {});
4399	+	f.complete(null);
4400	+
4401	+	f = new CompletableFuture<>();
4402	+	incomplete.acceptEither(f, x -> {});
4403	+	f.complete(null);
4404	+
4405	+	f = new CompletableFuture<>();
4406	+	incomplete.applyToEither(f, x -> x);
4407	+	f.complete(null);
4408	+
4409	+	f = new CompletableFuture<>();
4410	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4411	+	f.complete(null);
4412	+	}
4413	+	}
4414	+
4415	+	/**
4416	+	* Reproduction recipe for:
4417	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4418	+	* 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
4419	+	*/
4420	+	public void testAnyOfGarbageRetention() throws Throwable {
4421	+	for (Integer v : new Integer[] { 1, null })
4422	+	{
4423	+	final int n = expensiveTests ? 100_000 : 10;
4424	+	CompletableFuture<Integer>[] fs
4425	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4426	+	for (int i = 0; i < fs.length; i++)
4427	+	fs[i] = new CompletableFuture<>();
4428	+	fs[fs.length - 1].complete(v);
4429	+	for (int i = 0; i < n; i++)
4430	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4431	+	}}
4432	+
4433	+	/**
4434	+	* Checks for garbage retention with allOf.
4435	+	*
4436	+	* As of 2016-07, fails with OOME:
4437	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4438	+	*/
4439	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4440	+	final int n = expensiveTests ? 100_000 : 10;
4441	+	CompletableFuture<Integer>[] fs
4442	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4443	+	for (int i = 0; i < fs.length; i++)
4444	+	fs[i] = new CompletableFuture<>();
4445	+	for (int i = 0; i < n; i++)
4446	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4447	+	}
4448	+
4449	+	/**
4450	+	* Checks for garbage retention when a dependent future is
4451	+	* cancelled and garbage-collected.
4452	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4453	+	*
4454	+	* As of 2016-07, fails with OOME:
4455	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4456	+	*/
4457	+	public void testCancelledGarbageRetention() throws Throwable {
4458	+	final int n = expensiveTests ? 100_000 : 10;
4459	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4460	+	for (int i = 0; i < n; i++)
4461	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4462	+	}
4463	+
4464	+	/**
4465	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4466	+	* is invoked many times.
4467	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4468	+	*
4469	+	* As of 2016-07, fails with OOME:
4470	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4471	+	*/
4472	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4473	+	final int n = expensiveTests ? 900_000 : 10;
4474	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4475	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4476	+	for (int i = 0; i < n; i++)
4477	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4478	+	}
4479	+
4480	+	//     static <U> U join(CompletionStage<U> stage) {
4481	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4482	+	//         stage.whenComplete((v, ex) -> {
4483	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4484	+	//         });
4485	+	//         return f.join();
4486	+	//     }
4487	+
4488	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4489	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4490	+	//         stage.whenComplete((v, ex) -> {
4491	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4492	+	//         });
4493	+	//         return f.isDone();
4494	+	//     }
4495	+
4496	+	//     static <U> U join2(CompletionStage<U> stage) {
4497	+	//         return stage.toCompletableFuture().copy().join();
4498	+	//     }
4499	+
4500	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4501	+	//         return stage.toCompletableFuture().copy().isDone();
4502	+	//     }
4503	+
4504		}

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