ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.34 by jsr166, Sun Jun 1 21:17:05 2014 UTC vs.
Revision 1.185 by jsr166, Mon May 29 19:15:02 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;
22	<	import static java.util.concurrent.TimeUnit.SECONDS;
23	<	import java.util.*;
24	<	import java.util.function.Supplier;
25	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
27	–	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 41 | Line 59 | public class CompletableFutureTest exten
59		void checkIncomplete(CompletableFuture<?> f) {
60		assertFalse(f.isDone());
61		assertFalse(f.isCancelled());
62	<	assertTrue(f.toString().contains("[Not completed]"));
62	>	assertTrue(f.toString().contains("Not completed"));
63		try {
64		assertNull(f.getNow(null));
65		} catch (Throwable fail) { threadUnexpectedException(fail); }
66		try {
67	<	f.get(0L, SECONDS);
67	>	f.get(randomExpiredTimeout(), randomTimeUnit());
68		shouldThrow();
69		}
70		catch (TimeoutException success) {}
#	Line 54 | 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));
59	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
62	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
63	–	try {
79		assertEquals(value, f.getNow(null));
65	–	} catch (Throwable fail) { threadUnexpectedException(fail); }
66	–	try {
80		assertEquals(value, f.get());
81		} catch (Throwable fail) { threadUnexpectedException(fail); }
82		assertTrue(f.isDone());
#	Line 72 | Line 85 | public class CompletableFutureTest exten
85		assertTrue(f.toString().contains("[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 {
96	<	f.join();
97	<	shouldThrow();
98	<	} catch (CompletionException success) {
99	<	assertTrue(success.getCause() instanceof CFException);
100	<	}
101	<	try {
102	<	f.getNow(null);
103	<	shouldThrow();
104	<	} catch (CompletionException success) {
92	<	assertTrue(success.getCause() instanceof CFException);
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 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	<	try {
95	<	f.get();
96	<	shouldThrow();
97	<	} catch (ExecutionException success) {
98	<	assertTrue(success.getCause() instanceof CFException);
99	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
100	<	assertTrue(f.isDone());
101	<	assertFalse(f.isCancelled());
102	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
103	<	}
106	>	checker.accept(cause);
107
108	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
106	<	CFException ex) {
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.isDone());
140	+	assertTrue(f.isCompletedExceptionally());
141		assertTrue(f.toString().contains("[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 152 | Line 187 | public class CompletableFutureTest exten
187		shouldThrow();
188		} catch (CancellationException success) {
189		} catch (Throwable fail) { threadUnexpectedException(fail); }
155	–	assertTrue(f.isDone());
156	–	assertTrue(f.isCompletedExceptionally());
157	–	assertTrue(f.isCancelled());
158	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
159	–	}
190
191	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
192	<	try {
163	<	f.get(LONG_DELAY_MS, MILLISECONDS);
164	<	shouldThrow();
165	<	} catch (ExecutionException success) {
166	<	assertTrue(success.getCause() instanceof CancellationException);
167	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
168	<	try {
169	<	f.join();
170	<	shouldThrow();
171	<	} catch (CompletionException success) {
172	<	assertTrue(success.getCause() instanceof CancellationException);
173	<	}
174	<	try {
175	<	f.getNow(null);
176	<	shouldThrow();
177	<	} catch (CompletionException success) {
178	<	assertTrue(success.getCause() instanceof CancellationException);
179	<	}
180	<	try {
181	<	f.get();
182	<	shouldThrow();
183	<	} catch (ExecutionException success) {
184	<	assertTrue(success.getCause() instanceof CancellationException);
185	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
191	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
192	>
193		assertTrue(f.isDone());
187	–	assertFalse(f.isCancelled());
194		assertTrue(f.isCompletedExceptionally());
195	+	assertTrue(f.isCancelled());
196		assertTrue(f.toString().contains("[Completed exceptionally]"));
197		}
198
#	Line 203 | 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 215 | 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 225 | 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 237 | 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 246 | Line 261 | public class CompletableFutureTest exten
261		f = new CompletableFuture<>();
262		f.obtrudeValue(three);
263		checkCompletedNormally(f, three);
264	+	f.obtrudeValue(null);
265	+	checkCompletedNormally(f, null);
266		f = new CompletableFuture<>();
267		f.completeExceptionally(new CFException());
268		f.obtrudeValue(four);
#	Line 256 | 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());
281	<	checkCompletedWithWrappedCFException(f);
276	>	for (Integer v1 : new Integer[] { 1, null })
277	>	{
278	>	CFException ex;
279	>	CompletableFuture<Integer> f;
280	>
281	>	f = new CompletableFuture<>();
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	<	f.obtrudeException(new CFException());
290	<	checkCompletedWithWrappedCFException(f);
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);
274	<	}
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(f.getNumberOfDependents(), 0);
315	<	CompletableFuture g = f.thenRun(new Noop());
316	<	assertEquals(f.getNumberOfDependents(), 1);
317	<	assertEquals(g.getNumberOfDependents(), 0);
318	<	CompletableFuture h = f.thenRun(new Noop());
319	<	assertEquals(f.getNumberOfDependents(), 2);
320	<	f.complete(1);
314	>	assertEquals(0, f.getNumberOfDependents());
315	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
316	>	assertEquals(1, f.getNumberOfDependents());
317	>	assertEquals(0, g.getNumberOfDependents());
318	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
319	>	assertEquals(2, f.getNumberOfDependents());
320	>	assertEquals(0, h.getNumberOfDependents());
321	>	assertTrue(f.complete(v1));
322		checkCompletedNormally(g, null);
323	<	assertEquals(f.getNumberOfDependents(), 0);
324	<	assertEquals(g.getNumberOfDependents(), 0);
325	<	}
323	>	checkCompletedNormally(h, null);
324	>	assertEquals(0, f.getNumberOfDependents());
325	>	assertEquals(0, g.getNumberOfDependents());
326	>	assertEquals(0, h.getNumberOfDependents());
327	>	}}
328
329		/**
330		* toString indicates current completion state
#	Line 299 | Line 335 | public class CompletableFutureTest exten
335		f = new CompletableFuture<String>();
336		assertTrue(f.toString().contains("[Not completed]"));
337
338	<	f.complete("foo");
338	>	assertTrue(f.complete("foo"));
339		assertTrue(f.toString().contains("[Completed normally]"));
340
341		f = new CompletableFuture<String>();
342	<	f.completeExceptionally(new IndexOutOfBoundsException());
342	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
343		assertTrue(f.toString().contains("[Completed exceptionally]"));
344	+
345	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
346	+	f = new CompletableFuture<String>();
347	+	assertTrue(f.cancel(mayInterruptIfRunning));
348	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
349	+	}
350		}
351
352		/**
#	Line 315 | Line 357 | public class CompletableFutureTest exten
357		checkCompletedNormally(f, "test");
358		}
359
360	<	// Choose non-commutative actions for better coverage
361	<
362	<	static final Supplier<Integer> supplyOne =
363	<	() -> Integer.valueOf(1);
364	<	static final Function<Integer, Integer> inc =
365	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
366	<	static final BiFunction<Integer, Integer, Integer> subtract =
325	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
326	<	static final class IncAction implements Consumer<Integer> {
327	<	int value;
328	<	public void accept(Integer x) { value = x.intValue() + 1; }
329	<	}
330	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
331	<	int value;
332	<	public void accept(Integer x, Integer y) {
333	<	value = x.intValue() - y.intValue();
360	>	abstract static class CheckedAction {
361	>	int invocationCount = 0;
362	>	final ExecutionMode m;
363	>	CheckedAction(ExecutionMode m) { this.m = m; }
364	>	void invoked() {
365	>	m.checkExecutionMode();
366	>	assertEquals(0, invocationCount++);
367		}
368	<	}
369	<	static final class Noop implements Runnable {
337	<	boolean ran;
338	<	public void run() { ran = true; }
368	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
369	>	void assertInvoked() { assertEquals(1, invocationCount); }
370		}
371
372	<	static final class FailingSupplier implements Supplier<Integer> {
373	<	boolean ran;
374	<	public Integer get() { ran = true; throw new CFException(); }
375	<	}
376	<	static final class FailingConsumer implements Consumer<Integer> {
377	<	boolean ran;
347	<	public void accept(Integer x) { ran = true; throw new CFException(); }
348	<	}
349	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
350	<	boolean ran;
351	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
352	<	}
353	<	static final class FailingFunction implements Function<Integer, Integer> {
354	<	boolean ran;
355	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
356	<	}
357	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
358	<	boolean ran;
359	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
360	<	}
361	<	static final class FailingNoop implements Runnable {
362	<	boolean ran;
363	<	public void run() { ran = true; throw new CFException(); }
364	<	}
365	<
366	<	static final class CompletableFutureInc
367	<	implements Function<Integer, CompletableFuture<Integer>> {
368	<	boolean ran;
369	<	public CompletableFuture<Integer> apply(Integer x) {
370	<	ran = true;
371	<	CompletableFuture<Integer> f = new CompletableFuture<>();
372	<	f.complete(Integer.valueOf(x.intValue() + 1));
373	<	return f;
372	>	abstract static class CheckedIntegerAction extends CheckedAction {
373	>	Integer value;
374	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
375	>	void assertValue(Integer expected) {
376	>	assertInvoked();
377	>	assertEquals(expected, value);
378		}
379		}
380
381	<	static final class FailingCompletableFutureFunction
382	<	implements Function<Integer, CompletableFuture<Integer>> {
383	<	boolean ran;
384	<	public CompletableFuture<Integer> apply(Integer x) {
385	<	ran = true; throw new CFException();
381	>	static class IntegerSupplier extends CheckedAction
382	>	implements Supplier<Integer>
383	>	{
384	>	final Integer value;
385	>	IntegerSupplier(ExecutionMode m, Integer value) {
386	>	super(m);
387	>	this.value = value;
388		}
389	<	}
390	<
391	<	// Used for explicit executor tests
386	<	static final class ThreadExecutor implements Executor {
387	<	AtomicInteger count = new AtomicInteger(0);
388	<
389	<	public void execute(Runnable r) {
390	<	count.getAndIncrement();
391	<	new Thread(r).start();
389	>	public Integer get() {
390	>	invoked();
391	>	return value;
392		}
393		}
394
395	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
396	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
395	>	// A function that handles and produces null values as well.
396	>	static Integer inc(Integer x) {
397	>	return (x == null) ? null : x + 1;
398		}
399
400	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
401	<	boolean ran;
402	<	public Integer apply(Integer x, Throwable t) {
403	<	ran = true;
404	<	return (t == null) ? two : three;
400	>	static class NoopConsumer extends CheckedIntegerAction
401	>	implements Consumer<Integer>
402	>	{
403	>	NoopConsumer(ExecutionMode m) { super(m); }
404	>	public void accept(Integer x) {
405	>	invoked();
406	>	value = x;
407		}
408		}
409
410	<	/**
411	<	* exceptionally action completes with function value on source
412	<	* exception; otherwise with source value
413	<	*/
414	<	public void testExceptionally() {
415	<	CompletableFuture<Integer> f = new CompletableFuture<>();
416	<	ExceptionToInteger r = new ExceptionToInteger();
417	<	CompletableFuture<Integer> g = f.exceptionally(r);
415	<	f.completeExceptionally(new CFException());
416	<	checkCompletedNormally(g, three);
417	<
418	<	f = new CompletableFuture<>();
419	<	r = new ExceptionToInteger();
420	<	g = f.exceptionally(r);
421	<	f.complete(one);
422	<	checkCompletedNormally(g, one);
423	<	}
424	<
425	<	/**
426	<	* handle action completes normally with function value on either
427	<	* normal or exceptional completion of source
428	<	*/
429	<	public void testHandle() {
430	<	CompletableFuture<Integer> f, g;
431	<	IntegerHandler r;
432	<
433	<	f = new CompletableFuture<>();
434	<	f.completeExceptionally(new CFException());
435	<	g = f.handle(r = new IntegerHandler());
436	<	assertTrue(r.ran);
437	<	checkCompletedNormally(g, three);
438	<
439	<	f = new CompletableFuture<>();
440	<	g = f.handle(r = new IntegerHandler());
441	<	assertFalse(r.ran);
442	<	f.completeExceptionally(new CFException());
443	<	checkCompletedNormally(g, three);
444	<	assertTrue(r.ran);
445	<
446	<	f = new CompletableFuture<>();
447	<	f.complete(one);
448	<	g = f.handle(r = new IntegerHandler());
449	<	assertTrue(r.ran);
450	<	checkCompletedNormally(g, two);
451	<
452	<	f = new CompletableFuture<>();
453	<	g = f.handle(r = new IntegerHandler());
454	<	assertFalse(r.ran);
455	<	f.complete(one);
456	<	assertTrue(r.ran);
457	<	checkCompletedNormally(g, two);
458	<	}
459	<
460	<	/**
461	<	* runAsync completes after running Runnable
462	<	*/
463	<	public void testRunAsync() {
464	<	Noop r = new Noop();
465	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
466	<	assertNull(f.join());
467	<	assertTrue(r.ran);
468	<	checkCompletedNormally(f, null);
469	<	}
470	<
471	<	/**
472	<	* runAsync with executor completes after running Runnable
473	<	*/
474	<	public void testRunAsync2() {
475	<	Noop r = new Noop();
476	<	ThreadExecutor exec = new ThreadExecutor();
477	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
478	<	assertNull(f.join());
479	<	assertTrue(r.ran);
480	<	checkCompletedNormally(f, null);
481	<	assertEquals(1, exec.count.get());
482	<	}
483	<
484	<	/**
485	<	* failing runAsync completes exceptionally after running Runnable
486	<	*/
487	<	public void testRunAsync3() {
488	<	FailingNoop r = new FailingNoop();
489	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
490	<	checkCompletedWithWrappedCFException(f);
491	<	assertTrue(r.ran);
492	<	}
493	<
494	<	/**
495	<	* supplyAsync completes with result of supplier
496	<	*/
497	<	public void testSupplyAsync() {
498	<	CompletableFuture<Integer> f;
499	<	f = CompletableFuture.supplyAsync(supplyOne);
500	<	assertEquals(f.join(), one);
501	<	checkCompletedNormally(f, one);
502	<	}
503	<
504	<	/**
505	<	* supplyAsync with executor completes with result of supplier
506	<	*/
507	<	public void testSupplyAsync2() {
508	<	CompletableFuture<Integer> f;
509	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
510	<	assertEquals(f.join(), one);
511	<	checkCompletedNormally(f, one);
512	<	}
513	<
514	<	/**
515	<	* Failing supplyAsync completes exceptionally
516	<	*/
517	<	public void testSupplyAsync3() {
518	<	FailingSupplier r = new FailingSupplier();
519	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
520	<	checkCompletedWithWrappedCFException(f);
521	<	assertTrue(r.ran);
522	<	}
523	<
524	<	// seq completion methods
525	<
526	<	/**
527	<	* thenRun result completes normally after normal completion of source
528	<	*/
529	<	public void testThenRun() {
530	<	CompletableFuture<Integer> f;
531	<	CompletableFuture<Void> g;
532	<	Noop r;
533	<
534	<	f = new CompletableFuture<>();
535	<	g = f.thenRun(r = new Noop());
536	<	f.complete(null);
537	<	checkCompletedNormally(g, null);
538	<	assertTrue(r.ran);
539	<
540	<	f = new CompletableFuture<>();
541	<	f.complete(null);
542	<	g = f.thenRun(r = new Noop());
543	<	checkCompletedNormally(g, null);
544	<	assertTrue(r.ran);
545	<	}
546	<
547	<	/**
548	<	* thenRun result completes exceptionally after exceptional
549	<	* completion of source
550	<	*/
551	<	public void testThenRun2() {
552	<	CompletableFuture<Integer> f;
553	<	CompletableFuture<Void> g;
554	<	Noop r;
555	<
556	<	f = new CompletableFuture<>();
557	<	g = f.thenRun(r = new Noop());
558	<	f.completeExceptionally(new CFException());
559	<	checkCompletedWithWrappedCFException(g);
560	<	assertFalse(r.ran);
561	<
562	<	f = new CompletableFuture<>();
563	<	f.completeExceptionally(new CFException());
564	<	g = f.thenRun(r = new Noop());
565	<	checkCompletedWithWrappedCFException(g);
566	<	assertFalse(r.ran);
567	<	}
568	<
569	<	/**
570	<	* thenRun result completes exceptionally if action does
571	<	*/
572	<	public void testThenRun3() {
573	<	CompletableFuture<Integer> f;
574	<	CompletableFuture<Void> g;
575	<	FailingNoop r;
576	<
577	<	f = new CompletableFuture<>();
578	<	g = f.thenRun(r = new FailingNoop());
579	<	f.complete(null);
580	<	checkCompletedWithWrappedCFException(g);
581	<
582	<	f = new CompletableFuture<>();
583	<	f.complete(null);
584	<	g = f.thenRun(r = new FailingNoop());
585	<	checkCompletedWithWrappedCFException(g);
586	<	}
587	<
588	<	/**
589	<	* thenRun result completes exceptionally if source cancelled
590	<	*/
591	<	public void testThenRun4() {
592	<	CompletableFuture<Integer> f;
593	<	CompletableFuture<Void> g;
594	<	Noop r;
595	<
596	<	f = new CompletableFuture<>();
597	<	g = f.thenRun(r = new Noop());
598	<	assertTrue(f.cancel(true));
599	<	checkCompletedWithWrappedCancellationException(g);
600	<
601	<	f = new CompletableFuture<>();
602	<	assertTrue(f.cancel(true));
603	<	g = f.thenRun(r = new Noop());
604	<	checkCompletedWithWrappedCancellationException(g);
605	<	}
606	<
607	<	/**
608	<	* thenApply result completes normally after normal completion of source
609	<	*/
610	<	public void testThenApply() {
611	<	CompletableFuture<Integer> f = new CompletableFuture<>();
612	<	CompletableFuture<Integer> g = f.thenApply(inc);
613	<	f.complete(one);
614	<	checkCompletedNormally(g, two);
410	>	static class IncFunction extends CheckedIntegerAction
411	>	implements Function<Integer,Integer>
412	>	{
413	>	IncFunction(ExecutionMode m) { super(m); }
414	>	public Integer apply(Integer x) {
415	>	invoked();
416	>	return value = inc(x);
417	>	}
418		}
419
420	<	/**
421	<	* thenApply result completes exceptionally after exceptional
422	<	* completion of source
423	<	*/
424	<	public void testThenApply2() {
425	<	CompletableFuture<Integer> f = new CompletableFuture<>();
623	<	CompletableFuture<Integer> g = f.thenApply(inc);
624	<	f.completeExceptionally(new CFException());
625	<	checkCompletedWithWrappedCFException(g);
420	>	// Choose non-commutative actions for better coverage
421	>	// A non-commutative function that handles and produces null values as well.
422	>	static Integer subtract(Integer x, Integer y) {
423	>	return (x == null && y == null) ? null :
424	>	((x == null) ? 42 : x.intValue())
425	>	- ((y == null) ? 99 : y.intValue());
426		}
427
428	<	/**
429	<	* thenApply result completes exceptionally if action does
430	<	*/
431	<	public void testThenApply3() {
432	<	CompletableFuture<Integer> f = new CompletableFuture<>();
433	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
434	<	f.complete(one);
435	<	checkCompletedWithWrappedCFException(g);
428	>	static class SubtractAction extends CheckedIntegerAction
429	>	implements BiConsumer<Integer, Integer>
430	>	{
431	>	SubtractAction(ExecutionMode m) { super(m); }
432	>	public void accept(Integer x, Integer y) {
433	>	invoked();
434	>	value = subtract(x, y);
435	>	}
436		}
437
438	<	/**
439	<	* thenApply result completes exceptionally if source cancelled
440	<	*/
441	<	public void testThenApply4() {
442	<	CompletableFuture<Integer> f = new CompletableFuture<>();
443	<	CompletableFuture<Integer> g = f.thenApply(inc);
444	<	assertTrue(f.cancel(true));
445	<	checkCompletedWithWrappedCancellationException(g);
438	>	static class SubtractFunction extends CheckedIntegerAction
439	>	implements BiFunction<Integer, Integer, Integer>
440	>	{
441	>	SubtractFunction(ExecutionMode m) { super(m); }
442	>	public Integer apply(Integer x, Integer y) {
443	>	invoked();
444	>	return value = subtract(x, y);
445	>	}
446		}
447
448	<	/**
449	<	* thenAccept result completes normally after normal completion of source
450	<	*/
451	<	public void testThenAccept() {
452	<	CompletableFuture<Integer> f = new CompletableFuture<>();
653	<	IncAction r = new IncAction();
654	<	CompletableFuture<Void> g = f.thenAccept(r);
655	<	f.complete(one);
656	<	checkCompletedNormally(g, null);
657	<	assertEquals(r.value, 2);
448	>	static class Noop extends CheckedAction implements Runnable {
449	>	Noop(ExecutionMode m) { super(m); }
450	>	public void run() {
451	>	invoked();
452	>	}
453		}
454
455	<	/**
456	<	* thenAccept result completes exceptionally after exceptional
457	<	* completion of source
458	<	*/
459	<	public void testThenAccept2() {
460	<	CompletableFuture<Integer> f = new CompletableFuture<>();
461	<	IncAction r = new IncAction();
462	<	CompletableFuture<Void> g = f.thenAccept(r);
463	<	f.completeExceptionally(new CFException());
669	<	checkCompletedWithWrappedCFException(g);
455	>	static class FailingSupplier extends CheckedAction
456	>	implements Supplier<Integer>
457	>	{
458	>	final CFException ex;
459	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
460	>	public Integer get() {
461	>	invoked();
462	>	throw ex;
463	>	}
464		}
465
466	<	/**
467	<	* thenAccept result completes exceptionally if action does
468	<	*/
469	<	public void testThenAccept3() {
470	<	CompletableFuture<Integer> f = new CompletableFuture<>();
471	<	FailingConsumer r = new FailingConsumer();
472	<	CompletableFuture<Void> g = f.thenAccept(r);
473	<	f.complete(one);
474	<	checkCompletedWithWrappedCFException(g);
475	<	assertTrue(r.ran);
466	>	static class FailingConsumer extends CheckedIntegerAction
467	>	implements Consumer<Integer>
468	>	{
469	>	final CFException ex;
470	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
471	>	public void accept(Integer x) {
472	>	invoked();
473	>	value = x;
474	>	throw ex;
475	>	}
476		}
477
478	<	/**
479	<	* thenAccept result completes exceptionally if source cancelled
480	<	*/
481	<	public void testThenAccept4() {
482	<	CompletableFuture<Integer> f = new CompletableFuture<>();
483	<	IncAction r = new IncAction();
484	<	CompletableFuture<Void> g = f.thenAccept(r);
485	<	assertTrue(f.cancel(true));
486	<	checkCompletedWithWrappedCancellationException(g);
478	>	static class FailingBiConsumer extends CheckedIntegerAction
479	>	implements BiConsumer<Integer, Integer>
480	>	{
481	>	final CFException ex;
482	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
483	>	public void accept(Integer x, Integer y) {
484	>	invoked();
485	>	value = subtract(x, y);
486	>	throw ex;
487	>	}
488		}
489
490	<	/**
491	<	* thenCombine result completes normally after normal completion
492	<	* of sources
493	<	*/
494	<	public void testThenCombine() {
495	<	CompletableFuture<Integer> f, g, h;
496	<
497	<	f = new CompletableFuture<>();
498	<	g = new CompletableFuture<>();
499	<	h = f.thenCombine(g, subtract);
705	<	f.complete(3);
706	<	checkIncomplete(h);
707	<	g.complete(1);
708	<	checkCompletedNormally(h, 2);
709	<
710	<	f = new CompletableFuture<>();
711	<	g = new CompletableFuture<>();
712	<	h = f.thenCombine(g, subtract);
713	<	g.complete(1);
714	<	checkIncomplete(h);
715	<	f.complete(3);
716	<	checkCompletedNormally(h, 2);
717	<
718	<	f = new CompletableFuture<>();
719	<	g = new CompletableFuture<>();
720	<	g.complete(1);
721	<	f.complete(3);
722	<	h = f.thenCombine(g, subtract);
723	<	checkCompletedNormally(h, 2);
490	>	static class FailingFunction extends CheckedIntegerAction
491	>	implements Function<Integer, Integer>
492	>	{
493	>	final CFException ex;
494	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
495	>	public Integer apply(Integer x) {
496	>	invoked();
497	>	value = x;
498	>	throw ex;
499	>	}
500		}
501
502	<	/**
503	<	* thenCombine result completes exceptionally after exceptional
504	<	* completion of either source
505	<	*/
506	<	public void testThenCombine2() {
507	<	CompletableFuture<Integer> f, g, h;
508	<
509	<	f = new CompletableFuture<>();
510	<	g = new CompletableFuture<>();
511	<	h = f.thenCombine(g, subtract);
736	<	f.completeExceptionally(new CFException());
737	<	checkIncomplete(h);
738	<	g.complete(1);
739	<	checkCompletedWithWrappedCFException(h);
740	<
741	<	f = new CompletableFuture<>();
742	<	g = new CompletableFuture<>();
743	<	h = f.thenCombine(g, subtract);
744	<	g.completeExceptionally(new CFException());
745	<	checkIncomplete(h);
746	<	f.complete(3);
747	<	checkCompletedWithWrappedCFException(h);
748	<
749	<	f = new CompletableFuture<>();
750	<	g = new CompletableFuture<>();
751	<	f.complete(3);
752	<	g.completeExceptionally(new CFException());
753	<	h = f.thenCombine(g, subtract);
754	<	checkCompletedWithWrappedCFException(h);
755	<
756	<	f = new CompletableFuture<>();
757	<	g = new CompletableFuture<>();
758	<	f.completeExceptionally(new CFException());
759	<	g.complete(3);
760	<	h = f.thenCombine(g, subtract);
761	<	checkCompletedWithWrappedCFException(h);
502	>	static class FailingBiFunction extends CheckedIntegerAction
503	>	implements BiFunction<Integer, Integer, Integer>
504	>	{
505	>	final CFException ex;
506	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
507	>	public Integer apply(Integer x, Integer y) {
508	>	invoked();
509	>	value = subtract(x, y);
510	>	throw ex;
511	>	}
512		}
513
514	<	/**
515	<	* thenCombine result completes exceptionally if action does
516	<	*/
517	<	public void testThenCombine3() {
518	<	CompletableFuture<Integer> f = new CompletableFuture<>();
519	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
520	<	FailingBiFunction r = new FailingBiFunction();
771	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
772	<	f.complete(one);
773	<	checkIncomplete(g);
774	<	assertFalse(r.ran);
775	<	f2.complete(two);
776	<	checkCompletedWithWrappedCFException(g);
777	<	assertTrue(r.ran);
514	>	static class FailingRunnable extends CheckedAction implements Runnable {
515	>	final CFException ex;
516	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
517	>	public void run() {
518	>	invoked();
519	>	throw ex;
520	>	}
521		}
522
523	<	/**
524	<	* thenCombine result completes exceptionally if either source cancelled
525	<	*/
526	<	public void testThenCombine4() {
527	<	CompletableFuture<Integer> f, g, h;
528	<
529	<	f = new CompletableFuture<>();
530	<	g = new CompletableFuture<>();
531	<	h = f.thenCombine(g, subtract);
532	<	assertTrue(f.cancel(true));
533	<	checkIncomplete(h);
791	<	g.complete(1);
792	<	checkCompletedWithWrappedCancellationException(h);
793	<
794	<	f = new CompletableFuture<>();
795	<	g = new CompletableFuture<>();
796	<	h = f.thenCombine(g, subtract);
797	<	assertTrue(g.cancel(true));
798	<	checkIncomplete(h);
799	<	f.complete(3);
800	<	checkCompletedWithWrappedCancellationException(h);
801	<
802	<	f = new CompletableFuture<>();
803	<	g = new CompletableFuture<>();
804	<	assertTrue(f.cancel(true));
805	<	assertTrue(g.cancel(true));
806	<	h = f.thenCombine(g, subtract);
807	<	checkCompletedWithWrappedCancellationException(h);
523	>	static class CompletableFutureInc extends CheckedIntegerAction
524	>	implements Function<Integer, CompletableFuture<Integer>>
525	>	{
526	>	CompletableFutureInc(ExecutionMode m) { super(m); }
527	>	public CompletableFuture<Integer> apply(Integer x) {
528	>	invoked();
529	>	value = x;
530	>	CompletableFuture<Integer> f = new CompletableFuture<>();
531	>	assertTrue(f.complete(inc(x)));
532	>	return f;
533	>	}
534		}
535
536	<	/**
537	<	* thenAcceptBoth result completes normally after normal
538	<	* completion of sources
539	<	*/
540	<	public void testThenAcceptBoth() {
541	<	CompletableFuture<Integer> f, g;
542	<	CompletableFuture<Void> h;
543	<	SubtractAction r;
544	<
545	<	f = new CompletableFuture<>();
820	<	g = new CompletableFuture<>();
821	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
822	<	f.complete(3);
823	<	checkIncomplete(h);
824	<	g.complete(1);
825	<	checkCompletedNormally(h, null);
826	<	assertEquals(r.value, 2);
827	<
828	<	f = new CompletableFuture<>();
829	<	g = new CompletableFuture<>();
830	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
831	<	g.complete(1);
832	<	checkIncomplete(h);
833	<	f.complete(3);
834	<	checkCompletedNormally(h, null);
835	<	assertEquals(r.value, 2);
836	<
837	<	f = new CompletableFuture<>();
838	<	g = new CompletableFuture<>();
839	<	g.complete(1);
840	<	f.complete(3);
841	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
842	<	checkCompletedNormally(h, null);
843	<	assertEquals(r.value, 2);
536	>	static class FailingCompletableFutureFunction extends CheckedIntegerAction
537	>	implements Function<Integer, CompletableFuture<Integer>>
538	>	{
539	>	final CFException ex;
540	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
541	>	public CompletableFuture<Integer> apply(Integer x) {
542	>	invoked();
543	>	value = x;
544	>	throw ex;
545	>	}
546		}
547
548	<	/**
549	<	* thenAcceptBoth result completes exceptionally after exceptional
550	<	* completion of either source
551	<	*/
552	<	public void testThenAcceptBoth2() {
553	<	CompletableFuture<Integer> f, g;
554	<	CompletableFuture<Void> h;
853	<	SubtractAction r;
854	<
855	<	f = new CompletableFuture<>();
856	<	g = new CompletableFuture<>();
857	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
858	<	f.completeExceptionally(new CFException());
859	<	checkIncomplete(h);
860	<	g.complete(1);
861	<	checkCompletedWithWrappedCFException(h);
862	<
863	<	f = new CompletableFuture<>();
864	<	g = new CompletableFuture<>();
865	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
866	<	g.completeExceptionally(new CFException());
867	<	checkIncomplete(h);
868	<	f.complete(3);
869	<	checkCompletedWithWrappedCFException(h);
870	<
871	<	f = new CompletableFuture<>();
872	<	g = new CompletableFuture<>();
873	<	f.complete(3);
874	<	g.completeExceptionally(new CFException());
875	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
876	<	checkCompletedWithWrappedCFException(h);
877	<
878	<	f = new CompletableFuture<>();
879	<	g = new CompletableFuture<>();
880	<	f.completeExceptionally(new CFException());
881	<	g.complete(3);
882	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
883	<	checkCompletedWithWrappedCFException(h);
548	>	static class CountingRejectingExecutor implements Executor {
549	>	final RejectedExecutionException ex = new RejectedExecutionException();
550	>	final AtomicInteger count = new AtomicInteger(0);
551	>	public void execute(Runnable r) {
552	>	count.getAndIncrement();
553	>	throw ex;
554	>	}
555		}
556
557	<	/**
558	<	* thenAcceptBoth result completes exceptionally if action does
559	<	*/
560	<	public void testThenAcceptBoth3() {
561	<	CompletableFuture<Integer> f, g;
562	<	CompletableFuture<Void> h;
563	<	FailingBiConsumer r;
893	<
894	<	f = new CompletableFuture<>();
895	<	g = new CompletableFuture<>();
896	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
897	<	f.complete(3);
898	<	checkIncomplete(h);
899	<	g.complete(1);
900	<	checkCompletedWithWrappedCFException(h);
557	>	// Used for explicit executor tests
558	>	static final class ThreadExecutor implements Executor {
559	>	final AtomicInteger count = new AtomicInteger(0);
560	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
561	>	static boolean startedCurrentThread() {
562	>	return Thread.currentThread().getThreadGroup() == tg;
563	>	}
564
565	<	f = new CompletableFuture<>();
566	<	g = new CompletableFuture<>();
567	<	f.complete(3);
568	<	g.complete(1);
906	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
907	<	checkCompletedWithWrappedCFException(h);
565	>	public void execute(Runnable r) {
566	>	count.getAndIncrement();
567	>	new Thread(tg, r).start();
568	>	}
569		}
570
571	<	/**
572	<	* thenAcceptBoth result completes exceptionally if either source cancelled
912	<	*/
913	<	public void testThenAcceptBoth4() {
914	<	CompletableFuture<Integer> f, g;
915	<	CompletableFuture<Void> h;
916	<	SubtractAction r;
917	<
918	<	f = new CompletableFuture<>();
919	<	g = new CompletableFuture<>();
920	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
921	<	assertTrue(f.cancel(true));
922	<	checkIncomplete(h);
923	<	g.complete(1);
924	<	checkCompletedWithWrappedCancellationException(h);
925	<
926	<	f = new CompletableFuture<>();
927	<	g = new CompletableFuture<>();
928	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
929	<	assertTrue(g.cancel(true));
930	<	checkIncomplete(h);
931	<	f.complete(3);
932	<	checkCompletedWithWrappedCancellationException(h);
933	<
934	<	f = new CompletableFuture<>();
935	<	g = new CompletableFuture<>();
936	<	f.complete(3);
937	<	assertTrue(g.cancel(true));
938	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
939	<	checkCompletedWithWrappedCancellationException(h);
940	<
941	<	f = new CompletableFuture<>();
942	<	g = new CompletableFuture<>();
943	<	assertTrue(f.cancel(true));
944	<	g.complete(3);
945	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
946	<	checkCompletedWithWrappedCancellationException(h);
947	<	}
571	>	static final boolean defaultExecutorIsCommonPool
572	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
573
574		/**
575		* Permits the testing of parallel code for the 3 different
576	<	* execution modes without repeating all the testing code.
576	>	* execution modes without copy/pasting all the test methods.
577		*/
578		enum ExecutionMode {
579	<	DEFAULT {
579	>	SYNC {
580	>	public void checkExecutionMode() {
581	>	assertFalse(ThreadExecutor.startedCurrentThread());
582	>	assertNull(ForkJoinTask.getPool());
583	>	}
584	>	public CompletableFuture<Void> runAsync(Runnable a) {
585	>	throw new UnsupportedOperationException();
586	>	}
587	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
588	>	throw new UnsupportedOperationException();
589	>	}
590	>	public <T> CompletableFuture<Void> thenRun
591	>	(CompletableFuture<T> f, Runnable a) {
592	>	return f.thenRun(a);
593	>	}
594	>	public <T> CompletableFuture<Void> thenAccept
595	>	(CompletableFuture<T> f, Consumer<? super T> a) {
596	>	return f.thenAccept(a);
597	>	}
598	>	public <T,U> CompletableFuture<U> thenApply
599	>	(CompletableFuture<T> f, Function<? super T,U> a) {
600	>	return f.thenApply(a);
601	>	}
602	>	public <T,U> CompletableFuture<U> thenCompose
603	>	(CompletableFuture<T> f,
604	>	Function<? super T,? extends CompletionStage<U>> a) {
605	>	return f.thenCompose(a);
606	>	}
607	>	public <T,U> CompletableFuture<U> handle
608	>	(CompletableFuture<T> f,
609	>	BiFunction<? super T,Throwable,? extends U> a) {
610	>	return f.handle(a);
611	>	}
612	>	public <T> CompletableFuture<T> whenComplete
613	>	(CompletableFuture<T> f,
614	>	BiConsumer<? super T,? super Throwable> a) {
615	>	return f.whenComplete(a);
616	>	}
617		public <T,U> CompletableFuture<Void> runAfterBoth
618	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
619	<	return f.runAfterBoth(g, r);
618	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
619	>	return f.runAfterBoth(g, a);
620	>	}
621	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
622	>	(CompletableFuture<T> f,
623	>	CompletionStage<? extends U> g,
624	>	BiConsumer<? super T,? super U> a) {
625	>	return f.thenAcceptBoth(g, a);
626	>	}
627	>	public <T,U,V> CompletableFuture<V> thenCombine
628	>	(CompletableFuture<T> f,
629	>	CompletionStage<? extends U> g,
630	>	BiFunction<? super T,? super U,? extends V> a) {
631	>	return f.thenCombine(g, a);
632	>	}
633	>	public <T> CompletableFuture<Void> runAfterEither
634	>	(CompletableFuture<T> f,
635	>	CompletionStage<?> g,
636	>	java.lang.Runnable a) {
637	>	return f.runAfterEither(g, a);
638	>	}
639	>	public <T> CompletableFuture<Void> acceptEither
640	>	(CompletableFuture<T> f,
641	>	CompletionStage<? extends T> g,
642	>	Consumer<? super T> a) {
643	>	return f.acceptEither(g, a);
644	>	}
645	>	public <T,U> CompletableFuture<U> applyToEither
646	>	(CompletableFuture<T> f,
647	>	CompletionStage<? extends T> g,
648	>	Function<? super T,U> a) {
649	>	return f.applyToEither(g, a);
650		}
651		},
652
653	<	DEFAULT_ASYNC {
653	>	ASYNC {
654	>	public void checkExecutionMode() {
655	>	assertEquals(defaultExecutorIsCommonPool,
656	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
657	>	}
658	>	public CompletableFuture<Void> runAsync(Runnable a) {
659	>	return CompletableFuture.runAsync(a);
660	>	}
661	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
662	>	return CompletableFuture.supplyAsync(a);
663	>	}
664	>	public <T> CompletableFuture<Void> thenRun
665	>	(CompletableFuture<T> f, Runnable a) {
666	>	return f.thenRunAsync(a);
667	>	}
668	>	public <T> CompletableFuture<Void> thenAccept
669	>	(CompletableFuture<T> f, Consumer<? super T> a) {
670	>	return f.thenAcceptAsync(a);
671	>	}
672	>	public <T,U> CompletableFuture<U> thenApply
673	>	(CompletableFuture<T> f, Function<? super T,U> a) {
674	>	return f.thenApplyAsync(a);
675	>	}
676	>	public <T,U> CompletableFuture<U> thenCompose
677	>	(CompletableFuture<T> f,
678	>	Function<? super T,? extends CompletionStage<U>> a) {
679	>	return f.thenComposeAsync(a);
680	>	}
681	>	public <T,U> CompletableFuture<U> handle
682	>	(CompletableFuture<T> f,
683	>	BiFunction<? super T,Throwable,? extends U> a) {
684	>	return f.handleAsync(a);
685	>	}
686	>	public <T> CompletableFuture<T> whenComplete
687	>	(CompletableFuture<T> f,
688	>	BiConsumer<? super T,? super Throwable> a) {
689	>	return f.whenCompleteAsync(a);
690	>	}
691		public <T,U> CompletableFuture<Void> runAfterBoth
692	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
693	<	return f.runAfterBothAsync(g, r);
692	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
693	>	return f.runAfterBothAsync(g, a);
694	>	}
695	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
696	>	(CompletableFuture<T> f,
697	>	CompletionStage<? extends U> g,
698	>	BiConsumer<? super T,? super U> a) {
699	>	return f.thenAcceptBothAsync(g, a);
700	>	}
701	>	public <T,U,V> CompletableFuture<V> thenCombine
702	>	(CompletableFuture<T> f,
703	>	CompletionStage<? extends U> g,
704	>	BiFunction<? super T,? super U,? extends V> a) {
705	>	return f.thenCombineAsync(g, a);
706	>	}
707	>	public <T> CompletableFuture<Void> runAfterEither
708	>	(CompletableFuture<T> f,
709	>	CompletionStage<?> g,
710	>	java.lang.Runnable a) {
711	>	return f.runAfterEitherAsync(g, a);
712	>	}
713	>	public <T> CompletableFuture<Void> acceptEither
714	>	(CompletableFuture<T> f,
715	>	CompletionStage<? extends T> g,
716	>	Consumer<? super T> a) {
717	>	return f.acceptEitherAsync(g, a);
718	>	}
719	>	public <T,U> CompletableFuture<U> applyToEither
720	>	(CompletableFuture<T> f,
721	>	CompletionStage<? extends T> g,
722	>	Function<? super T,U> a) {
723	>	return f.applyToEitherAsync(g, a);
724		}
725		},
726
727		EXECUTOR {
728	+	public void checkExecutionMode() {
729	+	assertTrue(ThreadExecutor.startedCurrentThread());
730	+	}
731	+	public CompletableFuture<Void> runAsync(Runnable a) {
732	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
733	+	}
734	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
735	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
736	+	}
737	+	public <T> CompletableFuture<Void> thenRun
738	+	(CompletableFuture<T> f, Runnable a) {
739	+	return f.thenRunAsync(a, new ThreadExecutor());
740	+	}
741	+	public <T> CompletableFuture<Void> thenAccept
742	+	(CompletableFuture<T> f, Consumer<? super T> a) {
743	+	return f.thenAcceptAsync(a, new ThreadExecutor());
744	+	}
745	+	public <T,U> CompletableFuture<U> thenApply
746	+	(CompletableFuture<T> f, Function<? super T,U> a) {
747	+	return f.thenApplyAsync(a, new ThreadExecutor());
748	+	}
749	+	public <T,U> CompletableFuture<U> thenCompose
750	+	(CompletableFuture<T> f,
751	+	Function<? super T,? extends CompletionStage<U>> a) {
752	+	return f.thenComposeAsync(a, new ThreadExecutor());
753	+	}
754	+	public <T,U> CompletableFuture<U> handle
755	+	(CompletableFuture<T> f,
756	+	BiFunction<? super T,Throwable,? extends U> a) {
757	+	return f.handleAsync(a, new ThreadExecutor());
758	+	}
759	+	public <T> CompletableFuture<T> whenComplete
760	+	(CompletableFuture<T> f,
761	+	BiConsumer<? super T,? super Throwable> a) {
762	+	return f.whenCompleteAsync(a, new ThreadExecutor());
763	+	}
764		public <T,U> CompletableFuture<Void> runAfterBoth
765	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r) {
766	<	return f.runAfterBothAsync(g, r, new ThreadExecutor());
765	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
766	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
767	>	}
768	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
769	>	(CompletableFuture<T> f,
770	>	CompletionStage<? extends U> g,
771	>	BiConsumer<? super T,? super U> a) {
772	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
773	>	}
774	>	public <T,U,V> CompletableFuture<V> thenCombine
775	>	(CompletableFuture<T> f,
776	>	CompletionStage<? extends U> g,
777	>	BiFunction<? super T,? super U,? extends V> a) {
778	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
779	>	}
780	>	public <T> CompletableFuture<Void> runAfterEither
781	>	(CompletableFuture<T> f,
782	>	CompletionStage<?> g,
783	>	java.lang.Runnable a) {
784	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
785	>	}
786	>	public <T> CompletableFuture<Void> acceptEither
787	>	(CompletableFuture<T> f,
788	>	CompletionStage<? extends T> g,
789	>	Consumer<? super T> a) {
790	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
791	>	}
792	>	public <T,U> CompletableFuture<U> applyToEither
793	>	(CompletableFuture<T> f,
794	>	CompletionStage<? extends T> g,
795	>	Function<? super T,U> a) {
796	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
797		}
798		};
799
800	+	public abstract void checkExecutionMode();
801	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
802	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
803	+	public abstract <T> CompletableFuture<Void> thenRun
804	+	(CompletableFuture<T> f, Runnable a);
805	+	public abstract <T> CompletableFuture<Void> thenAccept
806	+	(CompletableFuture<T> f, Consumer<? super T> a);
807	+	public abstract <T,U> CompletableFuture<U> thenApply
808	+	(CompletableFuture<T> f, Function<? super T,U> a);
809	+	public abstract <T,U> CompletableFuture<U> thenCompose
810	+	(CompletableFuture<T> f,
811	+	Function<? super T,? extends CompletionStage<U>> a);
812	+	public abstract <T,U> CompletableFuture<U> handle
813	+	(CompletableFuture<T> f,
814	+	BiFunction<? super T,Throwable,? extends U> a);
815	+	public abstract <T> CompletableFuture<T> whenComplete
816	+	(CompletableFuture<T> f,
817	+	BiConsumer<? super T,? super Throwable> a);
818		public abstract <T,U> CompletableFuture<Void> runAfterBoth
819	<	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable r);
819	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
820	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
821	>	(CompletableFuture<T> f,
822	>	CompletionStage<? extends U> g,
823	>	BiConsumer<? super T,? super U> a);
824	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
825	>	(CompletableFuture<T> f,
826	>	CompletionStage<? extends U> g,
827	>	BiFunction<? super T,? super U,? extends V> a);
828	>	public abstract <T> CompletableFuture<Void> runAfterEither
829	>	(CompletableFuture<T> f,
830	>	CompletionStage<?> g,
831	>	java.lang.Runnable a);
832	>	public abstract <T> CompletableFuture<Void> acceptEither
833	>	(CompletableFuture<T> f,
834	>	CompletionStage<? extends T> g,
835	>	Consumer<? super T> a);
836	>	public abstract <T,U> CompletableFuture<U> applyToEither
837	>	(CompletableFuture<T> f,
838	>	CompletionStage<? extends T> g,
839	>	Function<? super T,U> a);
840		}
841
842		/**
843	<	* runAfterBoth result completes normally after normal
844	<	* completion of sources
843	>	* exceptionally action is not invoked when source completes
844	>	* normally, and source result is propagated
845		*/
846	<	public void testRunAfterBoth_normalCompletion1() {
847	<	for (ExecutionMode m : ExecutionMode.values())
846	>	public void testExceptionally_normalCompletion() {
847	>	for (boolean createIncomplete : new boolean[] { true, false })
848		for (Integer v1 : new Integer[] { 1, null })
849	<	for (Integer v2 : new Integer[] { 2, null }) {
850	<
849	>	{
850	>	final AtomicInteger a = new AtomicInteger(0);
851		final CompletableFuture<Integer> f = new CompletableFuture<>();
852	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
853	<	final Noop r = new Noop();
854	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
855	<
856	<	f.complete(v1);
857	<	checkIncomplete(h);
858	<	assertFalse(r.ran);
859	<	g.complete(v2);
852	>	if (!createIncomplete) assertTrue(f.complete(v1));
853	>	final CompletableFuture<Integer> g = f.exceptionally
854	>	((Throwable t) -> {
855	>	a.getAndIncrement();
856	>	threadFail("should not be called");
857	>	return null;            // unreached
858	>	});
859	>	if (createIncomplete) assertTrue(f.complete(v1));
860
861	<	checkCompletedNormally(h, null);
999	<	assertTrue(r.ran);
861	>	checkCompletedNormally(g, v1);
862		checkCompletedNormally(f, v1);
863	<	checkCompletedNormally(g, v2);
864	<	}
1003	<	}
863	>	assertEquals(0, a.get());
864	>	}}
865
866	<	public void testRunAfterBoth_normalCompletion2() {
867	<	for (ExecutionMode m : ExecutionMode.values())
866	>	/**
867	>	* exceptionally action completes with function value on source
868	>	* exception
869	>	*/
870	>	public void testExceptionally_exceptionalCompletion() {
871	>	for (boolean createIncomplete : new boolean[] { true, false })
872		for (Integer v1 : new Integer[] { 1, null })
873	<	for (Integer v2 : new Integer[] { 2, null }) {
874	<
873	>	{
874	>	final AtomicInteger a = new AtomicInteger(0);
875	>	final CFException ex = new CFException();
876		final CompletableFuture<Integer> f = new CompletableFuture<>();
877	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
878	<	final Noop r = new Noop();
879	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
880	<
881	<	g.complete(v2);
882	<	checkIncomplete(h);
883	<	assertFalse(r.ran);
884	<	f.complete(v1);
877	>	if (!createIncomplete) f.completeExceptionally(ex);
878	>	final CompletableFuture<Integer> g = f.exceptionally
879	>	((Throwable t) -> {
880	>	ExecutionMode.SYNC.checkExecutionMode();
881	>	threadAssertSame(t, ex);
882	>	a.getAndIncrement();
883	>	return v1;
884	>	});
885	>	if (createIncomplete) f.completeExceptionally(ex);
886
887	<	checkCompletedNormally(h, null);
888	<	assertTrue(r.ran);
889	<	checkCompletedNormally(f, v1);
1023	<	checkCompletedNormally(g, v2);
1024	<	}
1025	<	}
1026	<
1027	<	public void testRunAfterBoth_normalCompletion3() {
1028	<	for (ExecutionMode m : ExecutionMode.values())
1029	<	for (Integer v1 : new Integer[] { 1, null })
1030	<	for (Integer v2 : new Integer[] { 2, null }) {
887	>	checkCompletedNormally(g, v1);
888	>	assertEquals(1, a.get());
889	>	}}
890
891	+	/**
892	+	* If an "exceptionally action" throws an exception, it completes
893	+	* exceptionally with that exception
894	+	*/
895	+	public void testExceptionally_exceptionalCompletionActionFailed() {
896	+	for (boolean createIncomplete : new boolean[] { true, false })
897	+	{
898	+	final AtomicInteger a = new AtomicInteger(0);
899	+	final CFException ex1 = new CFException();
900	+	final CFException ex2 = new CFException();
901		final CompletableFuture<Integer> f = new CompletableFuture<>();
902	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
903	<	final Noop r = new Noop();
904	<
905	<	g.complete(v2);
906	<	f.complete(v1);
907	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
902	>	if (!createIncomplete) f.completeExceptionally(ex1);
903	>	final CompletableFuture<Integer> g = f.exceptionally
904	>	((Throwable t) -> {
905	>	ExecutionMode.SYNC.checkExecutionMode();
906	>	threadAssertSame(t, ex1);
907	>	a.getAndIncrement();
908	>	throw ex2;
909	>	});
910	>	if (createIncomplete) f.completeExceptionally(ex1);
911	>
912	>	checkCompletedWithWrappedException(g, ex2);
913	>	checkCompletedExceptionally(f, ex1);
914	>	assertEquals(1, a.get());
915	>	}}
916
917	<	checkCompletedNormally(h, null);
918	<	assertTrue(r.ran);
919	<	checkCompletedNormally(f, v1);
920	<	checkCompletedNormally(g, v2);
921	<	}
1045	<	}
1046	<
1047	<	public void testRunAfterBoth_normalCompletion4() {
917	>	/**
918	>	* whenComplete action executes on normal completion, propagating
919	>	* source result.
920	>	*/
921	>	public void testWhenComplete_normalCompletion() {
922		for (ExecutionMode m : ExecutionMode.values())
923	+	for (boolean createIncomplete : new boolean[] { true, false })
924		for (Integer v1 : new Integer[] { 1, null })
925	<	for (Integer v2 : new Integer[] { 2, null }) {
926	<
925	>	{
926	>	final AtomicInteger a = new AtomicInteger(0);
927		final CompletableFuture<Integer> f = new CompletableFuture<>();
928	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
929	<	final Noop r = new Noop();
930	<
931	<	f.complete(v1);
932	<	g.complete(v2);
933	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
928	>	if (!createIncomplete) assertTrue(f.complete(v1));
929	>	final CompletableFuture<Integer> g = m.whenComplete
930	>	(f,
931	>	(Integer result, Throwable t) -> {
932	>	m.checkExecutionMode();
933	>	threadAssertSame(result, v1);
934	>	threadAssertNull(t);
935	>	a.getAndIncrement();
936	>	});
937	>	if (createIncomplete) assertTrue(f.complete(v1));
938
939	<	checkCompletedNormally(h, null);
1061	<	assertTrue(r.ran);
939	>	checkCompletedNormally(g, v1);
940		checkCompletedNormally(f, v1);
941	<	checkCompletedNormally(g, v2);
942	<	}
1065	<	}
941	>	assertEquals(1, a.get());
942	>	}}
943
944		/**
945	<	* runAfterBoth result completes exceptionally after exceptional
946	<	* completion of either source
945	>	* whenComplete action executes on exceptional completion, propagating
946	>	* source result.
947		*/
948	<	public void testRunAfterBoth_exceptionalCompletion1() {
948	>	public void testWhenComplete_exceptionalCompletion() {
949		for (ExecutionMode m : ExecutionMode.values())
950	<	for (Integer v1 : new Integer[] { 1, null }) {
951	<
952	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1076	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1077	<	final Noop r = new Noop();
1078	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
950	>	for (boolean createIncomplete : new boolean[] { true, false })
951	>	{
952	>	final AtomicInteger a = new AtomicInteger(0);
953		final CFException ex = new CFException();
954	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
955	+	if (!createIncomplete) f.completeExceptionally(ex);
956	+	final CompletableFuture<Integer> g = m.whenComplete
957	+	(f,
958	+	(Integer result, Throwable t) -> {
959	+	m.checkExecutionMode();
960	+	threadAssertNull(result);
961	+	threadAssertSame(t, ex);
962	+	a.getAndIncrement();
963	+	});
964	+	if (createIncomplete) f.completeExceptionally(ex);
965	+
966	+	checkCompletedWithWrappedException(g, ex);
967	+	checkCompletedExceptionally(f, ex);
968	+	assertEquals(1, a.get());
969	+	}}
970
971	<	f.completeExceptionally(ex);
972	<	checkIncomplete(h);
973	<	g.complete(v1);
974	<
975	<	checkCompletedWithWrappedCFException(h, ex);
1086	<	checkCompletedWithWrappedCFException(f, ex);
1087	<	assertFalse(r.ran);
1088	<	checkCompletedNormally(g, v1);
1089	<	}
1090	<	}
1091	<
1092	<	public void testRunAfterBoth_exceptionalCompletion2() {
971	>	/**
972	>	* whenComplete action executes on cancelled source, propagating
973	>	* CancellationException.
974	>	*/
975	>	public void testWhenComplete_sourceCancelled() {
976		for (ExecutionMode m : ExecutionMode.values())
977	<	for (Integer v1 : new Integer[] { 1, null }) {
978	<
977	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
978	>	for (boolean createIncomplete : new boolean[] { true, false })
979	>	{
980	>	final AtomicInteger a = new AtomicInteger(0);
981		final CompletableFuture<Integer> f = new CompletableFuture<>();
982	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
983	<	final Noop r = new Noop();
984	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
985	<	final CFException ex = new CFException();
982	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
983	>	final CompletableFuture<Integer> g = m.whenComplete
984	>	(f,
985	>	(Integer result, Throwable t) -> {
986	>	m.checkExecutionMode();
987	>	threadAssertNull(result);
988	>	threadAssertTrue(t instanceof CancellationException);
989	>	a.getAndIncrement();
990	>	});
991	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
992
993	<	g.completeExceptionally(ex);
994	<	checkIncomplete(h);
995	<	f.complete(v1);
996	<
1106	<	checkCompletedWithWrappedCFException(h, ex);
1107	<	checkCompletedWithWrappedCFException(g, ex);
1108	<	assertFalse(r.ran);
1109	<	checkCompletedNormally(f, v1);
1110	<	}
1111	<	}
993	>	checkCompletedWithWrappedCancellationException(g);
994	>	checkCancelled(f);
995	>	assertEquals(1, a.get());
996	>	}}
997
998	<	public void testRunAfterBoth_exceptionalCompletion3() {
998	>	/**
999	>	* If a whenComplete action throws an exception when triggered by
1000	>	* a normal completion, it completes exceptionally
1001	>	*/
1002	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1003	>	for (boolean createIncomplete : new boolean[] { true, false })
1004		for (ExecutionMode m : ExecutionMode.values())
1005	<	for (Integer v1 : new Integer[] { 1, null }) {
1006	<
1007	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1119	<	final Noop r = new Noop();
1005	>	for (Integer v1 : new Integer[] { 1, null })
1006	>	{
1007	>	final AtomicInteger a = new AtomicInteger(0);
1008		final CFException ex = new CFException();
1009	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1010	+	if (!createIncomplete) assertTrue(f.complete(v1));
1011	+	final CompletableFuture<Integer> g = m.whenComplete
1012	+	(f,
1013	+	(Integer result, Throwable t) -> {
1014	+	m.checkExecutionMode();
1015	+	threadAssertSame(result, v1);
1016	+	threadAssertNull(t);
1017	+	a.getAndIncrement();
1018	+	throw ex;
1019	+	});
1020	+	if (createIncomplete) assertTrue(f.complete(v1));
1021
1022	<	g.completeExceptionally(ex);
1123	<	f.complete(v1);
1124	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1125	<
1126	<	checkCompletedWithWrappedCFException(h, ex);
1127	<	checkCompletedWithWrappedCFException(g, ex);
1128	<	assertFalse(r.ran);
1022	>	checkCompletedWithWrappedException(g, ex);
1023		checkCompletedNormally(f, v1);
1024	<	}
1025	<	}
1024	>	assertEquals(1, a.get());
1025	>	}}
1026
1027	<	public void testRunAfterBoth_exceptionalCompletion4() {
1027	>	/**
1028	>	* If a whenComplete action throws an exception when triggered by
1029	>	* a source completion that also throws an exception, the source
1030	>	* exception takes precedence (unlike handle)
1031	>	*/
1032	>	public void testWhenComplete_sourceFailedActionFailed() {
1033	>	for (boolean createIncomplete : new boolean[] { true, false })
1034		for (ExecutionMode m : ExecutionMode.values())
1035	<	for (Integer v1 : new Integer[] { 1, null }) {
1036	<
1035	>	{
1036	>	final AtomicInteger a = new AtomicInteger(0);
1037	>	final CFException ex1 = new CFException();
1038	>	final CFException ex2 = new CFException();
1039		final CompletableFuture<Integer> f = new CompletableFuture<>();
1138	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1139	–	final Noop r = new Noop();
1140	–	final CFException ex = new CFException();
1040
1041	<	f.completeExceptionally(ex);
1042	<	g.complete(v1);
1043	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1044	<
1045	<	checkCompletedWithWrappedCFException(h, ex);
1046	<	checkCompletedWithWrappedCFException(f, ex);
1047	<	assertFalse(r.ran);
1048	<	checkCompletedNormally(g, v1);
1041	>	if (!createIncomplete) f.completeExceptionally(ex1);
1042	>	final CompletableFuture<Integer> g = m.whenComplete
1043	>	(f,
1044	>	(Integer result, Throwable t) -> {
1045	>	m.checkExecutionMode();
1046	>	threadAssertSame(t, ex1);
1047	>	threadAssertNull(result);
1048	>	a.getAndIncrement();
1049	>	throw ex2;
1050	>	});
1051	>	if (createIncomplete) f.completeExceptionally(ex1);
1052	>
1053	>	checkCompletedWithWrappedException(g, ex1);
1054	>	checkCompletedExceptionally(f, ex1);
1055	>	if (testImplementationDetails) {
1056	>	assertEquals(1, ex1.getSuppressed().length);
1057	>	assertSame(ex2, ex1.getSuppressed()[0]);
1058		}
1059	<	}
1059	>	assertEquals(1, a.get());
1060	>	}}
1061
1062		/**
1063	<	* runAfterBoth result completes exceptionally if action does
1063	>	* handle action completes normally with function value on normal
1064	>	* completion of source
1065		*/
1066	<	public void testRunAfterBoth_actionFailed1() {
1066	>	public void testHandle_normalCompletion() {
1067		for (ExecutionMode m : ExecutionMode.values())
1068	+	for (boolean createIncomplete : new boolean[] { true, false })
1069		for (Integer v1 : new Integer[] { 1, null })
1070	<	for (Integer v2 : new Integer[] { 2, null }) {
1160	<
1070	>	{
1071		final CompletableFuture<Integer> f = new CompletableFuture<>();
1072	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1073	<	final FailingNoop r = new FailingNoop();
1074	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1075	<
1076	<	f.complete(v1);
1077	<	checkIncomplete(h);
1078	<	g.complete(v2);
1072	>	final AtomicInteger a = new AtomicInteger(0);
1073	>	if (!createIncomplete) assertTrue(f.complete(v1));
1074	>	final CompletableFuture<Integer> g = m.handle
1075	>	(f,
1076	>	(Integer result, Throwable t) -> {
1077	>	m.checkExecutionMode();
1078	>	threadAssertSame(result, v1);
1079	>	threadAssertNull(t);
1080	>	a.getAndIncrement();
1081	>	return inc(v1);
1082	>	});
1083	>	if (createIncomplete) assertTrue(f.complete(v1));
1084
1085	<	checkCompletedWithWrappedCFException(h);
1085	>	checkCompletedNormally(g, inc(v1));
1086		checkCompletedNormally(f, v1);
1087	<	checkCompletedNormally(g, v2);
1088	<	}
1174	<	}
1087	>	assertEquals(1, a.get());
1088	>	}}
1089
1090	<	public void testRunAfterBoth_actionFailed2() {
1090	>	/**
1091	>	* handle action completes normally with function value on
1092	>	* exceptional completion of source
1093	>	*/
1094	>	public void testHandle_exceptionalCompletion() {
1095		for (ExecutionMode m : ExecutionMode.values())
1096	+	for (boolean createIncomplete : new boolean[] { true, false })
1097		for (Integer v1 : new Integer[] { 1, null })
1098	<	for (Integer v2 : new Integer[] { 2, null }) {
1180	<
1098	>	{
1099		final CompletableFuture<Integer> f = new CompletableFuture<>();
1100	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1101	<	final FailingNoop r = new FailingNoop();
1102	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1103	<
1104	<	g.complete(v2);
1105	<	checkIncomplete(h);
1106	<	f.complete(v1);
1100	>	final AtomicInteger a = new AtomicInteger(0);
1101	>	final CFException ex = new CFException();
1102	>	if (!createIncomplete) f.completeExceptionally(ex);
1103	>	final CompletableFuture<Integer> g = m.handle
1104	>	(f,
1105	>	(Integer result, Throwable t) -> {
1106	>	m.checkExecutionMode();
1107	>	threadAssertNull(result);
1108	>	threadAssertSame(t, ex);
1109	>	a.getAndIncrement();
1110	>	return v1;
1111	>	});
1112	>	if (createIncomplete) f.completeExceptionally(ex);
1113
1114	<	checkCompletedWithWrappedCFException(h);
1115	<	checkCompletedNormally(f, v1);
1116	<	checkCompletedNormally(g, v2);
1117	<	}
1194	<	}
1114	>	checkCompletedNormally(g, v1);
1115	>	checkCompletedExceptionally(f, ex);
1116	>	assertEquals(1, a.get());
1117	>	}}
1118
1119		/**
1120	<	* runAfterBoth result completes exceptionally if either source cancelled
1120	>	* handle action completes normally with function value on
1121	>	* cancelled source
1122		*/
1123	<	public void testRunAfterBoth_sourceCancelled1() {
1123	>	public void testHandle_sourceCancelled() {
1124		for (ExecutionMode m : ExecutionMode.values())
1125		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1126	<	for (Integer v1 : new Integer[] { 1, null }) {
1127	<
1126	>	for (boolean createIncomplete : new boolean[] { true, false })
1127	>	for (Integer v1 : new Integer[] { 1, null })
1128	>	{
1129		final CompletableFuture<Integer> f = new CompletableFuture<>();
1130	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1131	<	final Noop r = new Noop();
1132	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1130	>	final AtomicInteger a = new AtomicInteger(0);
1131	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1132	>	final CompletableFuture<Integer> g = m.handle
1133	>	(f,
1134	>	(Integer result, Throwable t) -> {
1135	>	m.checkExecutionMode();
1136	>	threadAssertNull(result);
1137	>	threadAssertTrue(t instanceof CancellationException);
1138	>	a.getAndIncrement();
1139	>	return v1;
1140	>	});
1141	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1142
1209	–	assertTrue(f.cancel(mayInterruptIfRunning));
1210	–	checkIncomplete(h);
1211	–	g.complete(v1);
1212	–
1213	–	checkCompletedWithWrappedCancellationException(h);
1214	–	checkCancelled(f);
1215	–	assertFalse(r.ran);
1143		checkCompletedNormally(g, v1);
1217	–	}
1218	–	}
1219	–
1220	–	public void testRunAfterBoth_sourceCancelled2() {
1221	–	for (ExecutionMode m : ExecutionMode.values())
1222	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1223	–	for (Integer v1 : new Integer[] { 1, null }) {
1224	–
1225	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1226	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1227	–	final Noop r = new Noop();
1228	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1229	–
1230	–	assertTrue(g.cancel(mayInterruptIfRunning));
1231	–	checkIncomplete(h);
1232	–	f.complete(v1);
1233	–
1234	–	checkCompletedWithWrappedCancellationException(h);
1235	–	checkCancelled(g);
1236	–	assertFalse(r.ran);
1237	–	checkCompletedNormally(f, v1);
1238	–	}
1239	–	}
1240	–
1241	–	public void testRunAfterBoth_sourceCancelled3() {
1242	–	for (ExecutionMode m : ExecutionMode.values())
1243	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1244	–	for (Integer v1 : new Integer[] { 1, null }) {
1245	–
1246	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1247	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1248	–	final Noop r = new Noop();
1249	–
1250	–	assertTrue(g.cancel(mayInterruptIfRunning));
1251	–	f.complete(v1);
1252	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1253	–
1254	–	checkCompletedWithWrappedCancellationException(h);
1255	–	checkCancelled(g);
1256	–	assertFalse(r.ran);
1257	–	checkCompletedNormally(f, v1);
1258	–	}
1259	–	}
1260	–
1261	–	public void testRunAfterBoth_sourceCancelled4() {
1262	–	for (ExecutionMode m : ExecutionMode.values())
1263	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1264	–	for (Integer v1 : new Integer[] { 1, null }) {
1265	–
1266	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1267	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1268	–	final Noop r = new Noop();
1269	–
1270	–	assertTrue(f.cancel(mayInterruptIfRunning));
1271	–	g.complete(v1);
1272	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1273	–
1274	–	checkCompletedWithWrappedCancellationException(h);
1144		checkCancelled(f);
1145	<	assertFalse(r.ran);
1146	<	checkCompletedNormally(g, v1);
1278	<	}
1279	<	}
1280	<
1281	<	/**
1282	<	* applyToEither result completes normally after normal completion
1283	<	* of either source
1284	<	*/
1285	<	public void testApplyToEither() {
1286	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1287	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1288	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1289	<	f.complete(one);
1290	<	checkCompletedNormally(g, two);
1291	<	f2.complete(one);
1292	<	checkCompletedNormally(g, two);
1293	<
1294	<	f = new CompletableFuture<>();
1295	<	f.complete(one);
1296	<	f2 = new CompletableFuture<>();
1297	<	g = f.applyToEither(f2, inc);
1298	<	checkCompletedNormally(g, two);
1299	<	}
1145	>	assertEquals(1, a.get());
1146	>	}}
1147
1148		/**
1149	<	* applyToEither result completes exceptionally after exceptional
1150	<	* completion of either source
1149	>	* If a "handle action" throws an exception when triggered by
1150	>	* a normal completion, it completes exceptionally
1151		*/
1152	<	public void testApplyToEither2() {
1153	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1154	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1155	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1156	<	f.completeExceptionally(new CFException());
1157	<	f2.complete(one);
1158	<	checkCompletedWithWrappedCFException(g);
1152	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1153	>	for (ExecutionMode m : ExecutionMode.values())
1154	>	for (boolean createIncomplete : new boolean[] { true, false })
1155	>	for (Integer v1 : new Integer[] { 1, null })
1156	>	{
1157	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1158	>	final AtomicInteger a = new AtomicInteger(0);
1159	>	final CFException ex = new CFException();
1160	>	if (!createIncomplete) assertTrue(f.complete(v1));
1161	>	final CompletableFuture<Integer> g = m.handle
1162	>	(f,
1163	>	(Integer result, Throwable t) -> {
1164	>	m.checkExecutionMode();
1165	>	threadAssertSame(result, v1);
1166	>	threadAssertNull(t);
1167	>	a.getAndIncrement();
1168	>	throw ex;
1169	>	});
1170	>	if (createIncomplete) assertTrue(f.complete(v1));
1171
1172	<	f = new CompletableFuture<>();
1173	<	f2 = new CompletableFuture<>();
1174	<	f2.completeExceptionally(new CFException());
1175	<	g = f.applyToEither(f2, inc);
1317	<	checkCompletedWithWrappedCFException(g);
1318	<	}
1172	>	checkCompletedWithWrappedException(g, ex);
1173	>	checkCompletedNormally(f, v1);
1174	>	assertEquals(1, a.get());
1175	>	}}
1176
1177		/**
1178	<	* applyToEither result completes exceptionally if action does
1178	>	* If a "handle action" throws an exception when triggered by
1179	>	* a source completion that also throws an exception, the action
1180	>	* exception takes precedence (unlike whenComplete)
1181		*/
1182	<	public void testApplyToEither3() {
1183	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1184	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1185	<	FailingFunction r = new FailingFunction();
1186	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
1187	<	f2.complete(two);
1188	<	checkCompletedWithWrappedCFException(g);
1189	<	}
1182	>	public void testHandle_sourceFailedActionFailed() {
1183	>	for (boolean createIncomplete : new boolean[] { true, false })
1184	>	for (ExecutionMode m : ExecutionMode.values())
1185	>	{
1186	>	final AtomicInteger a = new AtomicInteger(0);
1187	>	final CFException ex1 = new CFException();
1188	>	final CFException ex2 = new CFException();
1189	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1190
1191	<	/**
1192	<	* applyToEither result completes exceptionally if either source cancelled
1193	<	*/
1194	<	public void testApplyToEither4() {
1195	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1196	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1197	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1198	<	assertTrue(f.cancel(true));
1199	<	checkCompletedWithWrappedCancellationException(g);
1200	<	f = new CompletableFuture<>();
1201	<	f2 = new CompletableFuture<>();
1202	<	assertTrue(f2.cancel(true));
1203	<	checkCompletedWithWrappedCancellationException(g);
1204	<	}
1191	>	if (!createIncomplete) f.completeExceptionally(ex1);
1192	>	final CompletableFuture<Integer> g = m.handle
1193	>	(f,
1194	>	(Integer result, Throwable t) -> {
1195	>	m.checkExecutionMode();
1196	>	threadAssertNull(result);
1197	>	threadAssertSame(ex1, t);
1198	>	a.getAndIncrement();
1199	>	throw ex2;
1200	>	});
1201	>	if (createIncomplete) f.completeExceptionally(ex1);
1202	>
1203	>	checkCompletedWithWrappedException(g, ex2);
1204	>	checkCompletedExceptionally(f, ex1);
1205	>	assertEquals(1, a.get());
1206	>	}}
1207
1208		/**
1209	<	* acceptEither result completes normally after normal completion
1349	<	* of either source
1209	>	* runAsync completes after running Runnable
1210		*/
1211	<	public void testAcceptEither() {
1212	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1213	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1214	<	IncAction r = new IncAction();
1215	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1216	<	f.complete(one);
1217	<	checkCompletedNormally(g, null);
1218	<	f2.complete(one);
1219	<	checkCompletedNormally(g, null);
1220	<	assertEquals(r.value, 2);
1221	<
1222	<	r = new IncAction();
1223	<	f = new CompletableFuture<>();
1364	<	f.complete(one);
1365	<	f2 = new CompletableFuture<>();
1366	<	g = f.acceptEither(f2, r);
1367	<	checkCompletedNormally(g, null);
1368	<	assertEquals(r.value, 2);
1369	<	}
1211	>	public void testRunAsync_normalCompletion() {
1212	>	ExecutionMode[] executionModes = {
1213	>	ExecutionMode.ASYNC,
1214	>	ExecutionMode.EXECUTOR,
1215	>	};
1216	>	for (ExecutionMode m : executionModes)
1217	>	{
1218	>	final Noop r = new Noop(m);
1219	>	final CompletableFuture<Void> f = m.runAsync(r);
1220	>	assertNull(f.join());
1221	>	checkCompletedNormally(f, null);
1222	>	r.assertInvoked();
1223	>	}}
1224
1225		/**
1226	<	* acceptEither result completes exceptionally after exceptional
1373	<	* completion of either source
1226	>	* failing runAsync completes exceptionally after running Runnable
1227		*/
1228	<	public void testAcceptEither2() {
1229	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1230	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1231	<	IncAction r = new IncAction();
1232	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1233	<	f.completeExceptionally(new CFException());
1234	<	f2.complete(one);
1235	<	checkCompletedWithWrappedCFException(g);
1236	<
1237	<	r = new IncAction();
1238	<	f = new CompletableFuture<>();
1239	<	f2 = new CompletableFuture<>();
1387	<	f2.completeExceptionally(new CFException());
1388	<	g = f.acceptEither(f2, r);
1389	<	checkCompletedWithWrappedCFException(g);
1390	<	}
1228	>	public void testRunAsync_exceptionalCompletion() {
1229	>	ExecutionMode[] executionModes = {
1230	>	ExecutionMode.ASYNC,
1231	>	ExecutionMode.EXECUTOR,
1232	>	};
1233	>	for (ExecutionMode m : executionModes)
1234	>	{
1235	>	final FailingRunnable r = new FailingRunnable(m);
1236	>	final CompletableFuture<Void> f = m.runAsync(r);
1237	>	checkCompletedWithWrappedException(f, r.ex);
1238	>	r.assertInvoked();
1239	>	}}
1240
1241	<	/**
1242	<	* acceptEither result completes exceptionally if action does
1243	<	*/
1244	<	public void testAcceptEither3() {
1245	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1246	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1247	<	FailingConsumer r = new FailingConsumer();
1248	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1400	<	f2.complete(two);
1401	<	checkCompletedWithWrappedCFException(g);
1402	<	}
1241	>	public void testRunAsync_rejectingExecutor() {
1242	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1243	>	try {
1244	>	CompletableFuture.runAsync(() -> {}, e);
1245	>	shouldThrow();
1246	>	} catch (Throwable t) {
1247	>	assertSame(e.ex, t);
1248	>	}
1249
1250	<	/**
1405	<	* acceptEither result completes exceptionally if either source cancelled
1406	<	*/
1407	<	public void testAcceptEither4() {
1408	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1409	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1410	<	IncAction r = new IncAction();
1411	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1412	<	assertTrue(f.cancel(true));
1413	<	checkCompletedWithWrappedCancellationException(g);
1414	<	f = new CompletableFuture<>();
1415	<	f2 = new CompletableFuture<>();
1416	<	assertTrue(f2.cancel(true));
1417	<	checkCompletedWithWrappedCancellationException(g);
1250	>	assertEquals(1, e.count.get());
1251		}
1252
1253		/**
1254	<	* runAfterEither result completes normally after normal completion
1422	<	* of either source
1254	>	* supplyAsync completes with result of supplier
1255		*/
1256	<	public void testRunAfterEither() {
1257	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1258	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1259	<	Noop r = new Noop();
1260	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1261	<	f.complete(one);
1262	<	checkCompletedNormally(g, null);
1263	<	f2.complete(one);
1264	<	checkCompletedNormally(g, null);
1265	<	assertTrue(r.ran);
1266	<
1267	<	r = new Noop();
1268	<	f = new CompletableFuture<>();
1269	<	f.complete(one);
1438	<	f2 = new CompletableFuture<>();
1439	<	g = f.runAfterEither(f2, r);
1440	<	checkCompletedNormally(g, null);
1441	<	assertTrue(r.ran);
1442	<	}
1256	>	public void testSupplyAsync_normalCompletion() {
1257	>	ExecutionMode[] executionModes = {
1258	>	ExecutionMode.ASYNC,
1259	>	ExecutionMode.EXECUTOR,
1260	>	};
1261	>	for (ExecutionMode m : executionModes)
1262	>	for (Integer v1 : new Integer[] { 1, null })
1263	>	{
1264	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1265	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1266	>	assertSame(v1, f.join());
1267	>	checkCompletedNormally(f, v1);
1268	>	r.assertInvoked();
1269	>	}}
1270
1271		/**
1272	<	* runAfterEither result completes exceptionally after exceptional
1446	<	* completion of either source
1272	>	* Failing supplyAsync completes exceptionally
1273		*/
1274	<	public void testRunAfterEither2() {
1275	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1276	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1277	<	Noop r = new Noop();
1278	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1279	<	f.completeExceptionally(new CFException());
1280	<	f2.complete(one);
1281	<	checkCompletedWithWrappedCFException(g);
1274	>	public void testSupplyAsync_exceptionalCompletion() {
1275	>	ExecutionMode[] executionModes = {
1276	>	ExecutionMode.ASYNC,
1277	>	ExecutionMode.EXECUTOR,
1278	>	};
1279	>	for (ExecutionMode m : executionModes)
1280	>	{
1281	>	FailingSupplier r = new FailingSupplier(m);
1282	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1283	>	checkCompletedWithWrappedException(f, r.ex);
1284	>	r.assertInvoked();
1285	>	}}
1286
1287	<	r = new Noop();
1288	<	f = new CompletableFuture<>();
1289	<	f2 = new CompletableFuture<>();
1290	<	f2.completeExceptionally(new CFException());
1291	<	g = f.runAfterEither(f2, r);
1292	<	checkCompletedWithWrappedCFException(g);
1293	<	}
1287	>	public void testSupplyAsync_rejectingExecutor() {
1288	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1289	>	try {
1290	>	CompletableFuture.supplyAsync(() -> null, e);
1291	>	shouldThrow();
1292	>	} catch (Throwable t) {
1293	>	assertSame(e.ex, t);
1294	>	}
1295
1296	<	/**
1466	<	* runAfterEither result completes exceptionally if action does
1467	<	*/
1468	<	public void testRunAfterEither3() {
1469	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1470	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1471	<	FailingNoop r = new FailingNoop();
1472	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1473	<	f2.complete(two);
1474	<	checkCompletedWithWrappedCFException(g);
1296	>	assertEquals(1, e.count.get());
1297		}
1298
1299	<	/**
1478	<	* runAfterEither result completes exceptionally if either source cancelled
1479	<	*/
1480	<	public void testRunAfterEither4() {
1481	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1482	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1483	<	Noop r = new Noop();
1484	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1485	<	assertTrue(f.cancel(true));
1486	<	checkCompletedWithWrappedCancellationException(g);
1487	<	f = new CompletableFuture<>();
1488	<	f2 = new CompletableFuture<>();
1489	<	assertTrue(f2.cancel(true));
1490	<	checkCompletedWithWrappedCancellationException(g);
1491	<	}
1299	>	// seq completion methods
1300
1301		/**
1302	<	* thenCompose result completes normally after normal completion of source
1302	>	* thenRun result completes normally after normal completion of source
1303		*/
1304	<	public void testThenCompose() {
1305	<	CompletableFuture<Integer> f, g;
1306	<	CompletableFutureInc r;
1307	<
1308	<	f = new CompletableFuture<>();
1309	<	g = f.thenCompose(r = new CompletableFutureInc());
1310	<	f.complete(one);
1503	<	checkCompletedNormally(g, two);
1504	<	assertTrue(r.ran);
1304	>	public void testThenRun_normalCompletion() {
1305	>	for (ExecutionMode m : ExecutionMode.values())
1306	>	for (Integer v1 : new Integer[] { 1, null })
1307	>	{
1308	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1309	>	final Noop[] rs = new Noop[6];
1310	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1311
1312	<	f = new CompletableFuture<>();
1313	<	f.complete(one);
1314	<	g = f.thenCompose(r = new CompletableFutureInc());
1315	<	checkCompletedNormally(g, two);
1316	<	assertTrue(r.ran);
1317	<	}
1312	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1313	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1314	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1315	>	checkIncomplete(h0);
1316	>	checkIncomplete(h1);
1317	>	checkIncomplete(h2);
1318	>	assertTrue(f.complete(v1));
1319	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1320	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1321	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1322	>
1323	>	checkCompletedNormally(h0, null);
1324	>	checkCompletedNormally(h1, null);
1325	>	checkCompletedNormally(h2, null);
1326	>	checkCompletedNormally(h3, null);
1327	>	checkCompletedNormally(h4, null);
1328	>	checkCompletedNormally(h5, null);
1329	>	checkCompletedNormally(f, v1);
1330	>	for (Noop r : rs) r.assertInvoked();
1331	>	}}
1332
1333		/**
1334	<	* thenCompose result completes exceptionally after exceptional
1334	>	* thenRun result completes exceptionally after exceptional
1335		* completion of source
1336		*/
1337	<	public void testThenCompose2() {
1338	<	CompletableFuture<Integer> f, g;
1339	<	CompletableFutureInc r;
1340	<
1341	<	f = new CompletableFuture<>();
1342	<	g = f.thenCompose(r = new CompletableFutureInc());
1343	<	f.completeExceptionally(new CFException());
1524	<	checkCompletedWithWrappedCFException(g);
1337	>	public void testThenRun_exceptionalCompletion() {
1338	>	for (ExecutionMode m : ExecutionMode.values())
1339	>	{
1340	>	final CFException ex = new CFException();
1341	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1342	>	final Noop[] rs = new Noop[6];
1343	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1344
1345	<	f = new CompletableFuture<>();
1346	<	f.completeExceptionally(new CFException());
1347	<	g = f.thenCompose(r = new CompletableFutureInc());
1348	<	checkCompletedWithWrappedCFException(g);
1349	<	}
1345	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1346	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1347	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1348	>	checkIncomplete(h0);
1349	>	checkIncomplete(h1);
1350	>	checkIncomplete(h2);
1351	>	assertTrue(f.completeExceptionally(ex));
1352	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1353	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1354	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1355	>
1356	>	checkCompletedWithWrappedException(h0, ex);
1357	>	checkCompletedWithWrappedException(h1, ex);
1358	>	checkCompletedWithWrappedException(h2, ex);
1359	>	checkCompletedWithWrappedException(h3, ex);
1360	>	checkCompletedWithWrappedException(h4, ex);
1361	>	checkCompletedWithWrappedException(h5, ex);
1362	>	checkCompletedExceptionally(f, ex);
1363	>	for (Noop r : rs) r.assertNotInvoked();
1364	>	}}
1365
1366		/**
1367	<	* thenCompose result completes exceptionally if action does
1367	>	* thenRun result completes exceptionally if source cancelled
1368		*/
1369	<	public void testThenCompose3() {
1370	<	CompletableFuture<Integer> f, g;
1371	<	FailingCompletableFutureFunction r;
1372	<
1373	<	f = new CompletableFuture<>();
1374	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1375	<	f.complete(one);
1542	<	checkCompletedWithWrappedCFException(g);
1369	>	public void testThenRun_sourceCancelled() {
1370	>	for (ExecutionMode m : ExecutionMode.values())
1371	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1372	>	{
1373	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1374	>	final Noop[] rs = new Noop[6];
1375	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1376
1377	<	f = new CompletableFuture<>();
1378	<	f.complete(one);
1379	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1380	<	checkCompletedWithWrappedCFException(g);
1381	<	}
1377	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1378	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1379	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1380	>	checkIncomplete(h0);
1381	>	checkIncomplete(h1);
1382	>	checkIncomplete(h2);
1383	>	assertTrue(f.cancel(mayInterruptIfRunning));
1384	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1385	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1386	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1387	>
1388	>	checkCompletedWithWrappedCancellationException(h0);
1389	>	checkCompletedWithWrappedCancellationException(h1);
1390	>	checkCompletedWithWrappedCancellationException(h2);
1391	>	checkCompletedWithWrappedCancellationException(h3);
1392	>	checkCompletedWithWrappedCancellationException(h4);
1393	>	checkCompletedWithWrappedCancellationException(h5);
1394	>	checkCancelled(f);
1395	>	for (Noop r : rs) r.assertNotInvoked();
1396	>	}}
1397
1398		/**
1399	<	* thenCompose result completes exceptionally if source cancelled
1399	>	* thenRun result completes exceptionally if action does
1400		*/
1401	<	public void testThenCompose4() {
1402	<	CompletableFuture<Integer> f, g;
1403	<	CompletableFutureInc r;
1404	<
1405	<	f = new CompletableFuture<>();
1406	<	g = f.thenCompose(r = new CompletableFutureInc());
1407	<	assertTrue(f.cancel(true));
1560	<	checkCompletedWithWrappedCancellationException(g);
1561	<
1562	<	f = new CompletableFuture<>();
1563	<	assertTrue(f.cancel(true));
1564	<	g = f.thenCompose(r = new CompletableFutureInc());
1565	<	checkCompletedWithWrappedCancellationException(g);
1566	<	}
1401	>	public void testThenRun_actionFailed() {
1402	>	for (ExecutionMode m : ExecutionMode.values())
1403	>	for (Integer v1 : new Integer[] { 1, null })
1404	>	{
1405	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1406	>	final FailingRunnable[] rs = new FailingRunnable[6];
1407	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1408
1409	<	// asyncs
1409	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1410	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1411	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1412	>	assertTrue(f.complete(v1));
1413	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1414	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1415	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1416	>
1417	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1418	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1419	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1420	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1421	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1422	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1423	>	checkCompletedNormally(f, v1);
1424	>	}}
1425
1426		/**
1427	<	* thenRunAsync result completes normally after normal completion of source
1427	>	* thenApply result completes normally after normal completion of source
1428		*/
1429	<	public void testThenRunAsync() {
1430	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1431	<	Noop r = new Noop();
1432	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1433	<	f.complete(null);
1434	<	checkCompletedNormally(g, null);
1429	>	public void testThenApply_normalCompletion() {
1430	>	for (ExecutionMode m : ExecutionMode.values())
1431	>	for (Integer v1 : new Integer[] { 1, null })
1432	>	{
1433	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1434	>	final IncFunction[] rs = new IncFunction[4];
1435	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1436
1437	<	// reordered version
1438	<	f = new CompletableFuture<>();
1439	<	f.complete(null);
1440	<	r = new Noop();
1441	<	g = f.thenRunAsync(r);
1442	<	checkCompletedNormally(g, null);
1443	<	}
1437	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1438	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1439	>	checkIncomplete(h0);
1440	>	checkIncomplete(h1);
1441	>	assertTrue(f.complete(v1));
1442	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1443	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1444	>
1445	>	checkCompletedNormally(h0, inc(v1));
1446	>	checkCompletedNormally(h1, inc(v1));
1447	>	checkCompletedNormally(h2, inc(v1));
1448	>	checkCompletedNormally(h3, inc(v1));
1449	>	checkCompletedNormally(f, v1);
1450	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1451	>	}}
1452
1453		/**
1454	<	* thenRunAsync result completes exceptionally after exceptional
1454	>	* thenApply result completes exceptionally after exceptional
1455		* completion of source
1456		*/
1457	<	public void testThenRunAsync2() {
1458	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1459	<	Noop r = new Noop();
1460	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1461	<	f.completeExceptionally(new CFException());
1462	<	try {
1463	<	g.join();
1599	<	shouldThrow();
1600	<	} catch (CompletionException success) {}
1601	<	checkCompletedWithWrappedCFException(g);
1602	<	}
1603	<
1604	<	/**
1605	<	* thenRunAsync result completes exceptionally if action does
1606	<	*/
1607	<	public void testThenRunAsync3() {
1608	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1609	<	FailingNoop r = new FailingNoop();
1610	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1611	<	f.complete(null);
1612	<	checkCompletedWithWrappedCFException(g);
1613	<	}
1614	<
1615	<	/**
1616	<	* thenRunAsync result completes exceptionally if source cancelled
1617	<	*/
1618	<	public void testThenRunAsync4() {
1619	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1620	<	Noop r = new Noop();
1621	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1622	<	assertTrue(f.cancel(true));
1623	<	checkCompletedWithWrappedCancellationException(g);
1624	<	}
1457	>	public void testThenApply_exceptionalCompletion() {
1458	>	for (ExecutionMode m : ExecutionMode.values())
1459	>	{
1460	>	final CFException ex = new CFException();
1461	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1462	>	final IncFunction[] rs = new IncFunction[4];
1463	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1464
1465	<	/**
1466	<	* thenApplyAsync result completes normally after normal completion of source
1467	<	*/
1468	<	public void testThenApplyAsync() {
1469	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1470	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1471	<	f.complete(one);
1472	<	checkCompletedNormally(g, two);
1473	<	}
1465	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1466	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1467	>	assertTrue(f.completeExceptionally(ex));
1468	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1469	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1470	>
1471	>	checkCompletedWithWrappedException(h0, ex);
1472	>	checkCompletedWithWrappedException(h1, ex);
1473	>	checkCompletedWithWrappedException(h2, ex);
1474	>	checkCompletedWithWrappedException(h3, ex);
1475	>	checkCompletedExceptionally(f, ex);
1476	>	for (IncFunction r : rs) r.assertNotInvoked();
1477	>	}}
1478
1479		/**
1480	<	* thenApplyAsync result completes exceptionally after exceptional
1638	<	* completion of source
1480	>	* thenApply result completes exceptionally if source cancelled
1481		*/
1482	<	public void testThenApplyAsync2() {
1483	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1484	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1485	<	f.completeExceptionally(new CFException());
1486	<	checkCompletedWithWrappedCFException(g);
1487	<	}
1482	>	public void testThenApply_sourceCancelled() {
1483	>	for (ExecutionMode m : ExecutionMode.values())
1484	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1485	>	{
1486	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1487	>	final IncFunction[] rs = new IncFunction[4];
1488	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1489
1490	<	/**
1491	<	* thenApplyAsync result completes exceptionally if action does
1492	<	*/
1493	<	public void testThenApplyAsync3() {
1494	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1652	<	FailingFunction r = new FailingFunction();
1653	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1654	<	f.complete(null);
1655	<	checkCompletedWithWrappedCFException(g);
1656	<	}
1490	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1491	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1492	>	assertTrue(f.cancel(mayInterruptIfRunning));
1493	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1494	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1495
1496	<	/**
1497	<	* thenApplyAsync result completes exceptionally if source cancelled
1498	<	*/
1499	<	public void testThenApplyAsync4() {
1500	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1501	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1502	<	assertTrue(f.cancel(true));
1665	<	checkCompletedWithWrappedCancellationException(g);
1666	<	}
1496	>	checkCompletedWithWrappedCancellationException(h0);
1497	>	checkCompletedWithWrappedCancellationException(h1);
1498	>	checkCompletedWithWrappedCancellationException(h2);
1499	>	checkCompletedWithWrappedCancellationException(h3);
1500	>	checkCancelled(f);
1501	>	for (IncFunction r : rs) r.assertNotInvoked();
1502	>	}}
1503
1504		/**
1505	<	* thenAcceptAsync result completes normally after normal
1670	<	* completion of source
1505	>	* thenApply result completes exceptionally if action does
1506		*/
1507	<	public void testThenAcceptAsync() {
1508	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1509	<	IncAction r = new IncAction();
1510	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1511	<	f.complete(one);
1512	<	checkCompletedNormally(g, null);
1513	<	assertEquals(r.value, 2);
1679	<	}
1507	>	public void testThenApply_actionFailed() {
1508	>	for (ExecutionMode m : ExecutionMode.values())
1509	>	for (Integer v1 : new Integer[] { 1, null })
1510	>	{
1511	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1512	>	final FailingFunction[] rs = new FailingFunction[4];
1513	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1514
1515	<	/**
1516	<	* thenAcceptAsync result completes exceptionally after exceptional
1517	<	* completion of source
1518	<	*/
1519	<	public void testThenAcceptAsync2() {
1520	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1521	<	IncAction r = new IncAction();
1522	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1523	<	f.completeExceptionally(new CFException());
1524	<	checkCompletedWithWrappedCFException(g);
1525	<	}
1515	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1516	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1517	>	assertTrue(f.complete(v1));
1518	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1519	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1520	>
1521	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1522	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1523	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1524	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1525	>	checkCompletedNormally(f, v1);
1526	>	}}
1527
1528		/**
1529	<	* thenAcceptAsync result completes exceptionally if action does
1529	>	* thenAccept result completes normally after normal completion of source
1530		*/
1531	<	public void testThenAcceptAsync3() {
1532	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1533	<	FailingConsumer r = new FailingConsumer();
1534	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1535	<	f.complete(null);
1536	<	checkCompletedWithWrappedCFException(g);
1537	<	}
1531	>	public void testThenAccept_normalCompletion() {
1532	>	for (ExecutionMode m : ExecutionMode.values())
1533	>	for (Integer v1 : new Integer[] { 1, null })
1534	>	{
1535	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1536	>	final NoopConsumer[] rs = new NoopConsumer[4];
1537	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1538
1539	<	/**
1540	<	* thenAcceptAsync result completes exceptionally if source cancelled
1541	<	*/
1542	<	public void testThenAcceptAsync4() {
1543	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1544	<	IncAction r = new IncAction();
1545	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1546	<	assertTrue(f.cancel(true));
1547	<	checkCompletedWithWrappedCancellationException(g);
1548	<	}
1539	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1540	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1541	>	checkIncomplete(h0);
1542	>	checkIncomplete(h1);
1543	>	assertTrue(f.complete(v1));
1544	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1545	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1546	>
1547	>	checkCompletedNormally(h0, null);
1548	>	checkCompletedNormally(h1, null);
1549	>	checkCompletedNormally(h2, null);
1550	>	checkCompletedNormally(h3, null);
1551	>	checkCompletedNormally(f, v1);
1552	>	for (NoopConsumer r : rs) r.assertValue(v1);
1553	>	}}
1554
1555		/**
1556	<	* thenCombineAsync result completes normally after normal
1557	<	* completion of sources
1556	>	* thenAccept result completes exceptionally after exceptional
1557	>	* completion of source
1558		*/
1559	<	public void testThenCombineAsync() {
1560	<	CompletableFuture<Integer> f, g, h;
1561	<
1562	<	f = new CompletableFuture<>();
1563	<	g = new CompletableFuture<>();
1564	<	h = f.thenCombineAsync(g, subtract);
1565	<	f.complete(3);
1726	<	checkIncomplete(h);
1727	<	g.complete(1);
1728	<	checkCompletedNormally(h, 2);
1729	<
1730	<	f = new CompletableFuture<>();
1731	<	g = new CompletableFuture<>();
1732	<	h = f.thenCombineAsync(g, subtract);
1733	<	g.complete(1);
1734	<	checkIncomplete(h);
1735	<	f.complete(3);
1736	<	checkCompletedNormally(h, 2);
1559	>	public void testThenAccept_exceptionalCompletion() {
1560	>	for (ExecutionMode m : ExecutionMode.values())
1561	>	{
1562	>	final CFException ex = new CFException();
1563	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1564	>	final NoopConsumer[] rs = new NoopConsumer[4];
1565	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1566
1567	<	f = new CompletableFuture<>();
1568	<	g = new CompletableFuture<>();
1569	<	g.complete(1);
1570	<	f.complete(3);
1571	<	h = f.thenCombineAsync(g, subtract);
1572	<	checkCompletedNormally(h, 2);
1573	<	}
1567	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1568	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1569	>	assertTrue(f.completeExceptionally(ex));
1570	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1571	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1572	>
1573	>	checkCompletedWithWrappedException(h0, ex);
1574	>	checkCompletedWithWrappedException(h1, ex);
1575	>	checkCompletedWithWrappedException(h2, ex);
1576	>	checkCompletedWithWrappedException(h3, ex);
1577	>	checkCompletedExceptionally(f, ex);
1578	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1579	>	}}
1580
1581		/**
1582	<	* thenCombineAsync result completes exceptionally after exceptional
1748	<	* completion of either source
1582	>	* thenAccept result completes exceptionally if source cancelled
1583		*/
1584	<	public void testThenCombineAsync2() {
1585	<	CompletableFuture<Integer> f, g, h;
1586	<
1587	<	f = new CompletableFuture<>();
1588	<	g = new CompletableFuture<>();
1589	<	h = f.thenCombineAsync(g, subtract);
1590	<	f.completeExceptionally(new CFException());
1757	<	checkIncomplete(h);
1758	<	g.complete(1);
1759	<	checkCompletedWithWrappedCFException(h);
1760	<
1761	<	f = new CompletableFuture<>();
1762	<	g = new CompletableFuture<>();
1763	<	h = f.thenCombineAsync(g, subtract);
1764	<	g.completeExceptionally(new CFException());
1765	<	checkIncomplete(h);
1766	<	f.complete(3);
1767	<	checkCompletedWithWrappedCFException(h);
1584	>	public void testThenAccept_sourceCancelled() {
1585	>	for (ExecutionMode m : ExecutionMode.values())
1586	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1587	>	{
1588	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1589	>	final NoopConsumer[] rs = new NoopConsumer[4];
1590	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1591
1592	<	f = new CompletableFuture<>();
1593	<	g = new CompletableFuture<>();
1594	<	g.completeExceptionally(new CFException());
1595	<	f.complete(3);
1596	<	h = f.thenCombineAsync(g, subtract);
1774	<	checkCompletedWithWrappedCFException(h);
1775	<	}
1592	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1593	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1594	>	assertTrue(f.cancel(mayInterruptIfRunning));
1595	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1596	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1597
1598	<	/**
1599	<	* thenCombineAsync result completes exceptionally if action does
1600	<	*/
1601	<	public void testThenCombineAsync3() {
1602	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1603	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1604	<	FailingBiFunction r = new FailingBiFunction();
1784	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1785	<	f.complete(one);
1786	<	checkIncomplete(g);
1787	<	assertFalse(r.ran);
1788	<	f2.complete(two);
1789	<	checkCompletedWithWrappedCFException(g);
1790	<	assertTrue(r.ran);
1791	<	}
1598	>	checkCompletedWithWrappedCancellationException(h0);
1599	>	checkCompletedWithWrappedCancellationException(h1);
1600	>	checkCompletedWithWrappedCancellationException(h2);
1601	>	checkCompletedWithWrappedCancellationException(h3);
1602	>	checkCancelled(f);
1603	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1604	>	}}
1605
1606		/**
1607	<	* thenCombineAsync result completes exceptionally if either source cancelled
1607	>	* thenAccept result completes exceptionally if action does
1608		*/
1609	<	public void testThenCombineAsync4() {
1610	<	CompletableFuture<Integer> f, g, h;
1611	<
1612	<	f = new CompletableFuture<>();
1613	<	g = new CompletableFuture<>();
1614	<	h = f.thenCombineAsync(g, subtract);
1615	<	assertTrue(f.cancel(true));
1803	<	checkIncomplete(h);
1804	<	g.complete(1);
1805	<	checkCompletedWithWrappedCancellationException(h);
1806	<
1807	<	f = new CompletableFuture<>();
1808	<	g = new CompletableFuture<>();
1809	<	h = f.thenCombineAsync(g, subtract);
1810	<	assertTrue(g.cancel(true));
1811	<	checkIncomplete(h);
1812	<	f.complete(3);
1813	<	checkCompletedWithWrappedCancellationException(h);
1814	<
1815	<	f = new CompletableFuture<>();
1816	<	g = new CompletableFuture<>();
1817	<	g.complete(3);
1818	<	assertTrue(f.cancel(true));
1819	<	h = f.thenCombineAsync(g, subtract);
1820	<	checkCompletedWithWrappedCancellationException(h);
1609	>	public void testThenAccept_actionFailed() {
1610	>	for (ExecutionMode m : ExecutionMode.values())
1611	>	for (Integer v1 : new Integer[] { 1, null })
1612	>	{
1613	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1614	>	final FailingConsumer[] rs = new FailingConsumer[4];
1615	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1616
1617	<	f = new CompletableFuture<>();
1618	<	g = new CompletableFuture<>();
1619	<	f.complete(3);
1620	<	assertTrue(g.cancel(true));
1621	<	h = f.thenCombineAsync(g, subtract);
1622	<	checkCompletedWithWrappedCancellationException(h);
1623	<	}
1617	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1618	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1619	>	assertTrue(f.complete(v1));
1620	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1621	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1622	>
1623	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1624	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1625	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1626	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1627	>	checkCompletedNormally(f, v1);
1628	>	}}
1629
1630		/**
1631	<	* thenAcceptBothAsync result completes normally after normal
1632	<	* completion of sources
1631	>	* thenCombine result completes normally after normal completion
1632	>	* of sources
1633		*/
1634	<	public void testThenAcceptBothAsync() {
1635	<	CompletableFuture<Integer> f, g;
1636	<	CompletableFuture<Void> h;
1637	<	SubtractAction r;
1638	<
1639	<	f = new CompletableFuture<>();
1640	<	g = new CompletableFuture<>();
1641	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1642	<	f.complete(3);
1643	<	checkIncomplete(h);
1844	<	g.complete(1);
1845	<	checkCompletedNormally(h, null);
1846	<	assertEquals(r.value, 2);
1634	>	public void testThenCombine_normalCompletion() {
1635	>	for (ExecutionMode m : ExecutionMode.values())
1636	>	for (boolean fFirst : new boolean[] { true, false })
1637	>	for (Integer v1 : new Integer[] { 1, null })
1638	>	for (Integer v2 : new Integer[] { 2, null })
1639	>	{
1640	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1641	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1642	>	final SubtractFunction[] rs = new SubtractFunction[6];
1643	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1644
1645	<	f = new CompletableFuture<>();
1646	<	g = new CompletableFuture<>();
1647	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1648	<	g.complete(1);
1649	<	checkIncomplete(h);
1650	<	f.complete(3);
1651	<	checkCompletedNormally(h, null);
1652	<	assertEquals(r.value, 2);
1645	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1646	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1647	>	final Integer w1 =  fFirst ? v1 : v2;
1648	>	final Integer w2 = !fFirst ? v1 : v2;
1649	>
1650	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1651	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1652	>	assertTrue(fst.complete(w1));
1653	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1654	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1655	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1656	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1657	>	checkCompletedNormally(h1, subtract(w1, w1));
1658	>	checkCompletedNormally(h3, subtract(w1, w1));
1659	>	rs[1].assertValue(subtract(w1, w1));
1660	>	rs[3].assertValue(subtract(w1, w1));
1661	>	assertTrue(snd.complete(w2));
1662	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1663	>
1664	>	checkCompletedNormally(h0, subtract(v1, v2));
1665	>	checkCompletedNormally(h2, subtract(v1, v2));
1666	>	checkCompletedNormally(h4, subtract(v1, v2));
1667	>	rs[0].assertValue(subtract(v1, v2));
1668	>	rs[2].assertValue(subtract(v1, v2));
1669	>	rs[4].assertValue(subtract(v1, v2));
1670
1671	<	f = new CompletableFuture<>();
1672	<	g = new CompletableFuture<>();
1673	<	g.complete(1);
1860	<	f.complete(3);
1861	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1862	<	checkCompletedNormally(h, null);
1863	<	assertEquals(r.value, 2);
1864	<	}
1671	>	checkCompletedNormally(f, v1);
1672	>	checkCompletedNormally(g, v2);
1673	>	}}
1674
1675		/**
1676	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1677	<	* completion of source
1676	>	* thenCombine result completes exceptionally after exceptional
1677	>	* completion of either source
1678		*/
1679	<	public void testThenAcceptBothAsync2() {
1680	<	CompletableFuture<Integer> f, g;
1681	<	CompletableFuture<Void> h;
1682	<	SubtractAction r;
1683	<
1684	<	f = new CompletableFuture<>();
1685	<	g = new CompletableFuture<>();
1686	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1687	<	f.completeExceptionally(new CFException());
1688	<	checkIncomplete(h);
1689	<	g.complete(1);
1690	<	checkCompletedWithWrappedCFException(h);
1691	<
1692	<	f = new CompletableFuture<>();
1693	<	g = new CompletableFuture<>();
1694	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1695	<	g.completeExceptionally(new CFException());
1696	<	checkIncomplete(h);
1697	<	f.complete(3);
1698	<	checkCompletedWithWrappedCFException(h);
1699	<
1700	<	f = new CompletableFuture<>();
1701	<	g = new CompletableFuture<>();
1702	<	f.complete(3);
1703	<	g.completeExceptionally(new CFException());
1704	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1705	<	checkCompletedWithWrappedCFException(h);
1706	<
1707	<	f = new CompletableFuture<>();
1708	<	g = new CompletableFuture<>();
1709	<	f.completeExceptionally(new CFException());
1710	<	g.complete(3);
1711	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1712	<	checkCompletedWithWrappedCFException(h);
1713	<	}
1679	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1680	>	for (ExecutionMode m : ExecutionMode.values())
1681	>	for (boolean fFirst : new boolean[] { true, false })
1682	>	for (boolean failFirst : new boolean[] { true, false })
1683	>	for (Integer v1 : new Integer[] { 1, null })
1684	>	{
1685	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1686	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1687	>	final CFException ex = new CFException();
1688	>	final SubtractFunction r1 = new SubtractFunction(m);
1689	>	final SubtractFunction r2 = new SubtractFunction(m);
1690	>	final SubtractFunction r3 = new SubtractFunction(m);
1691	>
1692	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1693	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1694	>	final Callable<Boolean> complete1 = failFirst ?
1695	>	() -> fst.completeExceptionally(ex) :
1696	>	() -> fst.complete(v1);
1697	>	final Callable<Boolean> complete2 = failFirst ?
1698	>	() -> snd.complete(v1) :
1699	>	() -> snd.completeExceptionally(ex);
1700	>
1701	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1702	>	assertTrue(complete1.call());
1703	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1704	>	checkIncomplete(h1);
1705	>	checkIncomplete(h2);
1706	>	assertTrue(complete2.call());
1707	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1708	>
1709	>	checkCompletedWithWrappedException(h1, ex);
1710	>	checkCompletedWithWrappedException(h2, ex);
1711	>	checkCompletedWithWrappedException(h3, ex);
1712	>	r1.assertNotInvoked();
1713	>	r2.assertNotInvoked();
1714	>	r3.assertNotInvoked();
1715	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1716	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1717	>	}}
1718
1719		/**
1720	<	* thenAcceptBothAsync result completes exceptionally if action does
1720	>	* thenCombine result completes exceptionally if either source cancelled
1721		*/
1722	<	public void testThenAcceptBothAsync3() {
1723	<	CompletableFuture<Integer> f, g;
1724	<	CompletableFuture<Void> h;
1725	<	FailingBiConsumer r;
1726	<
1727	<	f = new CompletableFuture<>();
1728	<	g = new CompletableFuture<>();
1729	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1730	<	f.complete(3);
1731	<	checkIncomplete(h);
1732	<	g.complete(1);
1733	<	checkCompletedWithWrappedCFException(h);
1734	<
1735	<	f = new CompletableFuture<>();
1736	<	g = new CompletableFuture<>();
1737	<	f.complete(3);
1738	<	g.complete(1);
1739	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1740	<	checkCompletedWithWrappedCFException(h);
1741	<	}
1722	>	public void testThenCombine_sourceCancelled() throws Throwable {
1723	>	for (ExecutionMode m : ExecutionMode.values())
1724	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1725	>	for (boolean fFirst : new boolean[] { true, false })
1726	>	for (boolean failFirst : new boolean[] { true, false })
1727	>	for (Integer v1 : new Integer[] { 1, null })
1728	>	{
1729	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1730	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1731	>	final SubtractFunction r1 = new SubtractFunction(m);
1732	>	final SubtractFunction r2 = new SubtractFunction(m);
1733	>	final SubtractFunction r3 = new SubtractFunction(m);
1734	>
1735	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1736	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1737	>	final Callable<Boolean> complete1 = failFirst ?
1738	>	() -> fst.cancel(mayInterruptIfRunning) :
1739	>	() -> fst.complete(v1);
1740	>	final Callable<Boolean> complete2 = failFirst ?
1741	>	() -> snd.complete(v1) :
1742	>	() -> snd.cancel(mayInterruptIfRunning);
1743	>
1744	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1745	>	assertTrue(complete1.call());
1746	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1747	>	checkIncomplete(h1);
1748	>	checkIncomplete(h2);
1749	>	assertTrue(complete2.call());
1750	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1751	>
1752	>	checkCompletedWithWrappedCancellationException(h1);
1753	>	checkCompletedWithWrappedCancellationException(h2);
1754	>	checkCompletedWithWrappedCancellationException(h3);
1755	>	r1.assertNotInvoked();
1756	>	r2.assertNotInvoked();
1757	>	r3.assertNotInvoked();
1758	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1759	>	checkCancelled(failFirst ? fst : snd);
1760	>	}}
1761
1762		/**
1763	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1763	>	* thenCombine result completes exceptionally if action does
1764		*/
1765	<	public void testThenAcceptBothAsync4() {
1766	<	CompletableFuture<Integer> f, g;
1767	<	CompletableFuture<Void> h;
1768	<	SubtractAction r;
1769	<
1770	<	f = new CompletableFuture<>();
1771	<	g = new CompletableFuture<>();
1772	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1773	<	assertTrue(f.cancel(true));
1774	<	checkIncomplete(h);
1775	<	g.complete(1);
1776	<	checkCompletedWithWrappedCancellationException(h);
1777	<
1778	<	f = new CompletableFuture<>();
1779	<	g = new CompletableFuture<>();
1780	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1781	<	assertTrue(g.cancel(true));
1782	<	checkIncomplete(h);
1783	<	f.complete(3);
1784	<	checkCompletedWithWrappedCancellationException(h);
1785	<
1786	<	f = new CompletableFuture<>();
1787	<	g = new CompletableFuture<>();
1788	<	f.complete(3);
1789	<	assertTrue(g.cancel(true));
1790	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1791	<	checkCompletedWithWrappedCancellationException(h);
1792	<
1793	<	f = new CompletableFuture<>();
1794	<	g = new CompletableFuture<>();
1795	<	assertTrue(f.cancel(true));
1796	<	g.complete(3);
1965	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1966	<	checkCompletedWithWrappedCancellationException(h);
1967	<	}
1765	>	public void testThenCombine_actionFailed() {
1766	>	for (ExecutionMode m : ExecutionMode.values())
1767	>	for (boolean fFirst : new boolean[] { true, false })
1768	>	for (Integer v1 : new Integer[] { 1, null })
1769	>	for (Integer v2 : new Integer[] { 2, null })
1770	>	{
1771	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1772	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1773	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1774	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1775	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1776	>
1777	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1778	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1779	>	final Integer w1 =  fFirst ? v1 : v2;
1780	>	final Integer w2 = !fFirst ? v1 : v2;
1781	>
1782	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1783	>	assertTrue(fst.complete(w1));
1784	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1785	>	assertTrue(snd.complete(w2));
1786	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1787	>
1788	>	checkCompletedWithWrappedException(h1, r1.ex);
1789	>	checkCompletedWithWrappedException(h2, r2.ex);
1790	>	checkCompletedWithWrappedException(h3, r3.ex);
1791	>	r1.assertInvoked();
1792	>	r2.assertInvoked();
1793	>	r3.assertInvoked();
1794	>	checkCompletedNormally(f, v1);
1795	>	checkCompletedNormally(g, v2);
1796	>	}}
1797
1798		/**
1799	<	* applyToEitherAsync result completes normally after normal
1799	>	* thenAcceptBoth result completes normally after normal
1800		* completion of sources
1801		*/
1802	<	public void testApplyToEitherAsync() {
1803	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1804	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1805	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1806	<	f.complete(one);
1807	<	checkCompletedNormally(g, two);
1808	<
1809	<	f = new CompletableFuture<>();
1810	<	f.complete(one);
1811	<	f2 = new CompletableFuture<>();
1812	<	g = f.applyToEitherAsync(f2, inc);
1813	<	checkCompletedNormally(g, two);
1814	<	}
1802	>	public void testThenAcceptBoth_normalCompletion() {
1803	>	for (ExecutionMode m : ExecutionMode.values())
1804	>	for (boolean fFirst : new boolean[] { true, false })
1805	>	for (Integer v1 : new Integer[] { 1, null })
1806	>	for (Integer v2 : new Integer[] { 2, null })
1807	>	{
1808	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1809	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1810	>	final SubtractAction r1 = new SubtractAction(m);
1811	>	final SubtractAction r2 = new SubtractAction(m);
1812	>	final SubtractAction r3 = new SubtractAction(m);
1813	>
1814	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1815	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1816	>	final Integer w1 =  fFirst ? v1 : v2;
1817	>	final Integer w2 = !fFirst ? v1 : v2;
1818	>
1819	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1820	>	assertTrue(fst.complete(w1));
1821	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1822	>	checkIncomplete(h1);
1823	>	checkIncomplete(h2);
1824	>	r1.assertNotInvoked();
1825	>	r2.assertNotInvoked();
1826	>	assertTrue(snd.complete(w2));
1827	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1828	>
1829	>	checkCompletedNormally(h1, null);
1830	>	checkCompletedNormally(h2, null);
1831	>	checkCompletedNormally(h3, null);
1832	>	r1.assertValue(subtract(v1, v2));
1833	>	r2.assertValue(subtract(v1, v2));
1834	>	r3.assertValue(subtract(v1, v2));
1835	>	checkCompletedNormally(f, v1);
1836	>	checkCompletedNormally(g, v2);
1837	>	}}
1838
1839		/**
1840	<	* applyToEitherAsync result completes exceptionally after exceptional
1841	<	* completion of source
1840	>	* thenAcceptBoth result completes exceptionally after exceptional
1841	>	* completion of either source
1842		*/
1843	<	public void testApplyToEitherAsync2() {
1844	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1845	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1846	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1847	<	f.completeExceptionally(new CFException());
1848	<	checkCompletedWithWrappedCFException(g);
1849	<
1850	<	f = new CompletableFuture<>();
1851	<	f2 = new CompletableFuture<>();
1852	<	f2.completeExceptionally(new CFException());
1853	<	g = f.applyToEitherAsync(f2, inc);
1854	<	f.complete(one);
1855	<	checkCompletedWithWrappedCFException(g);
1856	<	}
1843	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1844	>	for (ExecutionMode m : ExecutionMode.values())
1845	>	for (boolean fFirst : new boolean[] { true, false })
1846	>	for (boolean failFirst : new boolean[] { true, false })
1847	>	for (Integer v1 : new Integer[] { 1, null })
1848	>	{
1849	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1850	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1851	>	final CFException ex = new CFException();
1852	>	final SubtractAction r1 = new SubtractAction(m);
1853	>	final SubtractAction r2 = new SubtractAction(m);
1854	>	final SubtractAction r3 = new SubtractAction(m);
1855	>
1856	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1857	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1858	>	final Callable<Boolean> complete1 = failFirst ?
1859	>	() -> fst.completeExceptionally(ex) :
1860	>	() -> fst.complete(v1);
1861	>	final Callable<Boolean> complete2 = failFirst ?
1862	>	() -> snd.complete(v1) :
1863	>	() -> snd.completeExceptionally(ex);
1864	>
1865	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1866	>	assertTrue(complete1.call());
1867	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1868	>	checkIncomplete(h1);
1869	>	checkIncomplete(h2);
1870	>	assertTrue(complete2.call());
1871	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1872	>
1873	>	checkCompletedWithWrappedException(h1, ex);
1874	>	checkCompletedWithWrappedException(h2, ex);
1875	>	checkCompletedWithWrappedException(h3, ex);
1876	>	r1.assertNotInvoked();
1877	>	r2.assertNotInvoked();
1878	>	r3.assertNotInvoked();
1879	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1880	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1881	>	}}
1882
1883		/**
1884	<	* applyToEitherAsync result completes exceptionally if action does
1884	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1885		*/
1886	<	public void testApplyToEitherAsync3() {
1887	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1888	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1889	<	FailingFunction r = new FailingFunction();
1890	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1891	<	f.complete(one);
1892	<	checkCompletedWithWrappedCFException(g);
1893	<	}
1886	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1887	>	for (ExecutionMode m : ExecutionMode.values())
1888	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1889	>	for (boolean fFirst : new boolean[] { true, false })
1890	>	for (boolean failFirst : new boolean[] { true, false })
1891	>	for (Integer v1 : new Integer[] { 1, null })
1892	>	{
1893	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1894	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1895	>	final SubtractAction r1 = new SubtractAction(m);
1896	>	final SubtractAction r2 = new SubtractAction(m);
1897	>	final SubtractAction r3 = new SubtractAction(m);
1898	>
1899	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1900	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1901	>	final Callable<Boolean> complete1 = failFirst ?
1902	>	() -> fst.cancel(mayInterruptIfRunning) :
1903	>	() -> fst.complete(v1);
1904	>	final Callable<Boolean> complete2 = failFirst ?
1905	>	() -> snd.complete(v1) :
1906	>	() -> snd.cancel(mayInterruptIfRunning);
1907	>
1908	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1909	>	assertTrue(complete1.call());
1910	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1911	>	checkIncomplete(h1);
1912	>	checkIncomplete(h2);
1913	>	assertTrue(complete2.call());
1914	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1915	>
1916	>	checkCompletedWithWrappedCancellationException(h1);
1917	>	checkCompletedWithWrappedCancellationException(h2);
1918	>	checkCompletedWithWrappedCancellationException(h3);
1919	>	r1.assertNotInvoked();
1920	>	r2.assertNotInvoked();
1921	>	r3.assertNotInvoked();
1922	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1923	>	checkCancelled(failFirst ? fst : snd);
1924	>	}}
1925
1926		/**
1927	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1927	>	* thenAcceptBoth result completes exceptionally if action does
1928		*/
1929	<	public void testApplyToEitherAsync4() {
1930	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1931	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1932	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1933	<	assertTrue(f.cancel(true));
1934	<	checkCompletedWithWrappedCancellationException(g);
1935	<
1936	<	f = new CompletableFuture<>();
1937	<	f2 = new CompletableFuture<>();
1938	<	assertTrue(f2.cancel(true));
1939	<	g = f.applyToEitherAsync(f2, inc);
1940	<	checkCompletedWithWrappedCancellationException(g);
1941	<	}
1929	>	public void testThenAcceptBoth_actionFailed() {
1930	>	for (ExecutionMode m : ExecutionMode.values())
1931	>	for (boolean fFirst : new boolean[] { true, false })
1932	>	for (Integer v1 : new Integer[] { 1, null })
1933	>	for (Integer v2 : new Integer[] { 2, null })
1934	>	{
1935	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1936	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1937	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1938	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1939	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1940	>
1941	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1942	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1943	>	final Integer w1 =  fFirst ? v1 : v2;
1944	>	final Integer w2 = !fFirst ? v1 : v2;
1945	>
1946	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1947	>	assertTrue(fst.complete(w1));
1948	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1949	>	assertTrue(snd.complete(w2));
1950	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1951	>
1952	>	checkCompletedWithWrappedException(h1, r1.ex);
1953	>	checkCompletedWithWrappedException(h2, r2.ex);
1954	>	checkCompletedWithWrappedException(h3, r3.ex);
1955	>	r1.assertInvoked();
1956	>	r2.assertInvoked();
1957	>	r3.assertInvoked();
1958	>	checkCompletedNormally(f, v1);
1959	>	checkCompletedNormally(g, v2);
1960	>	}}
1961
1962		/**
1963	<	* acceptEitherAsync result completes normally after normal
1963	>	* runAfterBoth result completes normally after normal
1964		* completion of sources
1965		*/
1966	<	public void testAcceptEitherAsync() {
1967	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1968	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1969	<	IncAction r = new IncAction();
1970	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1971	<	f.complete(one);
1972	<	checkCompletedNormally(g, null);
1973	<	assertEquals(r.value, 2);
1974	<
1975	<	r = new IncAction();
1976	<	f = new CompletableFuture<>();
1977	<	f.complete(one);
1978	<	f2 = new CompletableFuture<>();
1979	<	g = f.acceptEitherAsync(f2, r);
1980	<	checkCompletedNormally(g, null);
1981	<	assertEquals(r.value, 2);
1982	<	}
1983	<
1984	<	/**
1985	<	* acceptEitherAsync result completes exceptionally after exceptional
1986	<	* completion of source
1987	<	*/
1988	<	public void testAcceptEitherAsync2() {
1989	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1990	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1991	<	IncAction r = new IncAction();
1992	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1993	<	f.completeExceptionally(new CFException());
1994	<	checkCompletedWithWrappedCFException(g);
1995	<
1996	<	r = new IncAction();
1997	<	f = new CompletableFuture<>();
1998	<	f2 = new CompletableFuture<>();
1999	<	f2.completeExceptionally(new CFException());
2000	<	g = f.acceptEitherAsync(f2, r);
2001	<	f.complete(one);
2075	<	checkCompletedWithWrappedCFException(g);
2076	<	}
2077	<
2078	<	/**
2079	<	* acceptEitherAsync result completes exceptionally if action does
2080	<	*/
2081	<	public void testAcceptEitherAsync3() {
2082	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2083	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2084	<	FailingConsumer r = new FailingConsumer();
2085	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2086	<	f.complete(one);
2087	<	checkCompletedWithWrappedCFException(g);
2088	<	}
2089	<
2090	<	/**
2091	<	* acceptEitherAsync result completes exceptionally if either
2092	<	* source cancelled
2093	<	*/
2094	<	public void testAcceptEitherAsync4() {
2095	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2096	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2097	<	IncAction r = new IncAction();
2098	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
2099	<	assertTrue(f.cancel(true));
2100	<	checkCompletedWithWrappedCancellationException(g);
2101	<
2102	<	r = new IncAction();
2103	<	f = new CompletableFuture<>();
2104	<	f2 = new CompletableFuture<>();
2105	<	assertTrue(f2.cancel(true));
2106	<	g = f.acceptEitherAsync(f2, r);
2107	<	checkCompletedWithWrappedCancellationException(g);
2108	<	}
1966	>	public void testRunAfterBoth_normalCompletion() {
1967	>	for (ExecutionMode m : ExecutionMode.values())
1968	>	for (boolean fFirst : new boolean[] { true, false })
1969	>	for (Integer v1 : new Integer[] { 1, null })
1970	>	for (Integer v2 : new Integer[] { 2, null })
1971	>	{
1972	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1973	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1974	>	final Noop r1 = new Noop(m);
1975	>	final Noop r2 = new Noop(m);
1976	>	final Noop r3 = new Noop(m);
1977	>
1978	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1979	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1980	>	final Integer w1 =  fFirst ? v1 : v2;
1981	>	final Integer w2 = !fFirst ? v1 : v2;
1982	>
1983	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1984	>	assertTrue(fst.complete(w1));
1985	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1986	>	checkIncomplete(h1);
1987	>	checkIncomplete(h2);
1988	>	r1.assertNotInvoked();
1989	>	r2.assertNotInvoked();
1990	>	assertTrue(snd.complete(w2));
1991	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1992	>
1993	>	checkCompletedNormally(h1, null);
1994	>	checkCompletedNormally(h2, null);
1995	>	checkCompletedNormally(h3, null);
1996	>	r1.assertInvoked();
1997	>	r2.assertInvoked();
1998	>	r3.assertInvoked();
1999	>	checkCompletedNormally(f, v1);
2000	>	checkCompletedNormally(g, v2);
2001	>	}}
2002
2003		/**
2004	<	* runAfterEitherAsync result completes normally after normal
2005	<	* completion of sources
2004	>	* runAfterBoth result completes exceptionally after exceptional
2005	>	* completion of either source
2006		*/
2007	<	public void testRunAfterEitherAsync() {
2008	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2009	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2010	<	Noop r = new Noop();
2011	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2012	<	f.complete(one);
2013	<	checkCompletedNormally(g, null);
2014	<	assertTrue(r.ran);
2015	<
2016	<	r = new Noop();
2017	<	f = new CompletableFuture<>();
2018	<	f.complete(one);
2019	<	f2 = new CompletableFuture<>();
2020	<	g = f.runAfterEitherAsync(f2, r);
2021	<	checkCompletedNormally(g, null);
2022	<	assertTrue(r.ran);
2023	<	}
2007	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2008	>	for (ExecutionMode m : ExecutionMode.values())
2009	>	for (boolean fFirst : new boolean[] { true, false })
2010	>	for (boolean failFirst : new boolean[] { true, false })
2011	>	for (Integer v1 : new Integer[] { 1, null })
2012	>	{
2013	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2014	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2015	>	final CFException ex = new CFException();
2016	>	final Noop r1 = new Noop(m);
2017	>	final Noop r2 = new Noop(m);
2018	>	final Noop r3 = new Noop(m);
2019	>
2020	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2021	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2022	>	final Callable<Boolean> complete1 = failFirst ?
2023	>	() -> fst.completeExceptionally(ex) :
2024	>	() -> fst.complete(v1);
2025	>	final Callable<Boolean> complete2 = failFirst ?
2026	>	() -> snd.complete(v1) :
2027	>	() -> snd.completeExceptionally(ex);
2028	>
2029	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2030	>	assertTrue(complete1.call());
2031	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2032	>	checkIncomplete(h1);
2033	>	checkIncomplete(h2);
2034	>	assertTrue(complete2.call());
2035	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2036	>
2037	>	checkCompletedWithWrappedException(h1, ex);
2038	>	checkCompletedWithWrappedException(h2, ex);
2039	>	checkCompletedWithWrappedException(h3, ex);
2040	>	r1.assertNotInvoked();
2041	>	r2.assertNotInvoked();
2042	>	r3.assertNotInvoked();
2043	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2044	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2045	>	}}
2046
2047		/**
2048	<	* runAfterEitherAsync result completes exceptionally after exceptional
2134	<	* completion of source
2048	>	* runAfterBoth result completes exceptionally if either source cancelled
2049		*/
2050	<	public void testRunAfterEitherAsync2() {
2051	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2052	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2053	<	Noop r = new Noop();
2054	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2055	<	f.completeExceptionally(new CFException());
2056	<	checkCompletedWithWrappedCFException(g);
2057	<
2058	<	r = new Noop();
2059	<	f = new CompletableFuture<>();
2060	<	f2 = new CompletableFuture<>();
2061	<	f2.completeExceptionally(new CFException());
2062	<	g = f.runAfterEitherAsync(f2, r);
2063	<	f.complete(one);
2064	<	checkCompletedWithWrappedCFException(g);
2065	<	}
2050	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2051	>	for (ExecutionMode m : ExecutionMode.values())
2052	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2053	>	for (boolean fFirst : new boolean[] { true, false })
2054	>	for (boolean failFirst : new boolean[] { true, false })
2055	>	for (Integer v1 : new Integer[] { 1, null })
2056	>	{
2057	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2058	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2059	>	final Noop r1 = new Noop(m);
2060	>	final Noop r2 = new Noop(m);
2061	>	final Noop r3 = new Noop(m);
2062	>
2063	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2064	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2065	>	final Callable<Boolean> complete1 = failFirst ?
2066	>	() -> fst.cancel(mayInterruptIfRunning) :
2067	>	() -> fst.complete(v1);
2068	>	final Callable<Boolean> complete2 = failFirst ?
2069	>	() -> snd.complete(v1) :
2070	>	() -> snd.cancel(mayInterruptIfRunning);
2071	>
2072	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2073	>	assertTrue(complete1.call());
2074	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2075	>	checkIncomplete(h1);
2076	>	checkIncomplete(h2);
2077	>	assertTrue(complete2.call());
2078	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2079	>
2080	>	checkCompletedWithWrappedCancellationException(h1);
2081	>	checkCompletedWithWrappedCancellationException(h2);
2082	>	checkCompletedWithWrappedCancellationException(h3);
2083	>	r1.assertNotInvoked();
2084	>	r2.assertNotInvoked();
2085	>	r3.assertNotInvoked();
2086	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2087	>	checkCancelled(failFirst ? fst : snd);
2088	>	}}
2089
2090		/**
2091	<	* runAfterEitherAsync result completes exceptionally if action does
2091	>	* runAfterBoth result completes exceptionally if action does
2092		*/
2093	<	public void testRunAfterEitherAsync3() {
2094	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2095	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2096	<	FailingNoop r = new FailingNoop();
2097	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2098	<	f.complete(one);
2099	<	checkCompletedWithWrappedCFException(g);
2100	<	}
2093	>	public void testRunAfterBoth_actionFailed() {
2094	>	for (ExecutionMode m : ExecutionMode.values())
2095	>	for (boolean fFirst : new boolean[] { true, false })
2096	>	for (Integer v1 : new Integer[] { 1, null })
2097	>	for (Integer v2 : new Integer[] { 2, null })
2098	>	{
2099	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2100	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2101	>	final FailingRunnable r1 = new FailingRunnable(m);
2102	>	final FailingRunnable r2 = new FailingRunnable(m);
2103	>	final FailingRunnable r3 = new FailingRunnable(m);
2104	>
2105	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2106	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2107	>	final Integer w1 =  fFirst ? v1 : v2;
2108	>	final Integer w2 = !fFirst ? v1 : v2;
2109	>
2110	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2111	>	assertTrue(fst.complete(w1));
2112	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2113	>	assertTrue(snd.complete(w2));
2114	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2115	>
2116	>	checkCompletedWithWrappedException(h1, r1.ex);
2117	>	checkCompletedWithWrappedException(h2, r2.ex);
2118	>	checkCompletedWithWrappedException(h3, r3.ex);
2119	>	r1.assertInvoked();
2120	>	r2.assertInvoked();
2121	>	r3.assertInvoked();
2122	>	checkCompletedNormally(f, v1);
2123	>	checkCompletedNormally(g, v2);
2124	>	}}
2125
2126		/**
2127	<	* runAfterEitherAsync result completes exceptionally if either
2128	<	* source cancelled
2127	>	* applyToEither result completes normally after normal completion
2128	>	* of either source
2129		*/
2130	<	public void testRunAfterEitherAsync4() {
2131	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2132	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2133	<	Noop r = new Noop();
2134	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2135	<	assertTrue(f.cancel(true));
2136	<	checkCompletedWithWrappedCancellationException(g);
2137	<
2138	<	r = new Noop();
2178	<	f = new CompletableFuture<>();
2179	<	f2 = new CompletableFuture<>();
2180	<	assertTrue(f2.cancel(true));
2181	<	g = f.runAfterEitherAsync(f2, r);
2182	<	checkCompletedWithWrappedCancellationException(g);
2183	<	}
2130	>	public void testApplyToEither_normalCompletion() {
2131	>	for (ExecutionMode m : ExecutionMode.values())
2132	>	for (Integer v1 : new Integer[] { 1, null })
2133	>	for (Integer v2 : new Integer[] { 2, null })
2134	>	{
2135	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2136	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2137	>	final IncFunction[] rs = new IncFunction[6];
2138	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2139
2140	<	/**
2141	<	* thenComposeAsync result completes normally after normal
2142	<	* completion of source
2143	<	*/
2144	<	public void testThenComposeAsync() {
2145	<	CompletableFuture<Integer> f, g;
2146	<	CompletableFutureInc r;
2140	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2141	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2142	>	checkIncomplete(h0);
2143	>	checkIncomplete(h1);
2144	>	rs[0].assertNotInvoked();
2145	>	rs[1].assertNotInvoked();
2146	>	f.complete(v1);
2147	>	checkCompletedNormally(h0, inc(v1));
2148	>	checkCompletedNormally(h1, inc(v1));
2149	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2150	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2151	>	checkCompletedNormally(h2, inc(v1));
2152	>	checkCompletedNormally(h3, inc(v1));
2153	>	g.complete(v2);
2154
2155	<	f = new CompletableFuture<>();
2156	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2157	<	f.complete(one);
2158	<	checkCompletedNormally(g, two);
2155	>	// unspecified behavior - both source completions available
2156	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2157	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2158	>	rs[4].assertValue(h4.join());
2159	>	rs[5].assertValue(h5.join());
2160	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2161	>	Objects.equals(inc(v2), h4.join()));
2162	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2163	>	Objects.equals(inc(v2), h5.join()));
2164
2165	<	f = new CompletableFuture<>();
2166	<	f.complete(one);
2167	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2168	<	checkCompletedNormally(g, two);
2169	<	}
2165	>	checkCompletedNormally(f, v1);
2166	>	checkCompletedNormally(g, v2);
2167	>	checkCompletedNormally(h0, inc(v1));
2168	>	checkCompletedNormally(h1, inc(v1));
2169	>	checkCompletedNormally(h2, inc(v1));
2170	>	checkCompletedNormally(h3, inc(v1));
2171	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2172	>	}}
2173
2174		/**
2175	<	* thenComposeAsync result completes exceptionally after
2176	<	* exceptional completion of source
2175	>	* applyToEither result completes exceptionally after exceptional
2176	>	* completion of either source
2177		*/
2178	<	public void testThenComposeAsync2() {
2179	<	CompletableFuture<Integer> f, g;
2180	<	CompletableFutureInc r;
2181	<
2182	<	f = new CompletableFuture<>();
2183	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2184	<	f.completeExceptionally(new CFException());
2185	<	checkCompletedWithWrappedCFException(g);
2186	<	assertFalse(r.ran);
2217	<
2218	<	f = new CompletableFuture<>();
2219	<	f.completeExceptionally(new CFException());
2220	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2221	<	checkCompletedWithWrappedCFException(g);
2222	<	assertFalse(r.ran);
2223	<	}
2178	>	public void testApplyToEither_exceptionalCompletion() {
2179	>	for (ExecutionMode m : ExecutionMode.values())
2180	>	for (Integer v1 : new Integer[] { 1, null })
2181	>	{
2182	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2183	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2184	>	final CFException ex = new CFException();
2185	>	final IncFunction[] rs = new IncFunction[6];
2186	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2187
2188	<	/**
2189	<	* thenComposeAsync result completes exceptionally if action does
2190	<	*/
2191	<	public void testThenComposeAsync3() {
2192	<	CompletableFuture<Integer> f, g;
2193	<	FailingCompletableFutureFunction r;
2188	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2189	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2190	>	checkIncomplete(h0);
2191	>	checkIncomplete(h1);
2192	>	rs[0].assertNotInvoked();
2193	>	rs[1].assertNotInvoked();
2194	>	f.completeExceptionally(ex);
2195	>	checkCompletedWithWrappedException(h0, ex);
2196	>	checkCompletedWithWrappedException(h1, ex);
2197	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2198	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2199	>	checkCompletedWithWrappedException(h2, ex);
2200	>	checkCompletedWithWrappedException(h3, ex);
2201	>	g.complete(v1);
2202
2203	<	f = new CompletableFuture<>();
2204	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2205	<	f.complete(one);
2206	<	checkCompletedWithWrappedCFException(g);
2203	>	// unspecified behavior - both source completions available
2204	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2205	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2206	>	try {
2207	>	assertEquals(inc(v1), h4.join());
2208	>	rs[4].assertValue(inc(v1));
2209	>	} catch (CompletionException ok) {
2210	>	checkCompletedWithWrappedException(h4, ex);
2211	>	rs[4].assertNotInvoked();
2212	>	}
2213	>	try {
2214	>	assertEquals(inc(v1), h5.join());
2215	>	rs[5].assertValue(inc(v1));
2216	>	} catch (CompletionException ok) {
2217	>	checkCompletedWithWrappedException(h5, ex);
2218	>	rs[5].assertNotInvoked();
2219	>	}
2220
2221	<	f = new CompletableFuture<>();
2222	<	f.complete(one);
2223	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2224	<	checkCompletedWithWrappedCFException(g);
2225	<	}
2221	>	checkCompletedExceptionally(f, ex);
2222	>	checkCompletedNormally(g, v1);
2223	>	checkCompletedWithWrappedException(h0, ex);
2224	>	checkCompletedWithWrappedException(h1, ex);
2225	>	checkCompletedWithWrappedException(h2, ex);
2226	>	checkCompletedWithWrappedException(h3, ex);
2227	>	checkCompletedWithWrappedException(h4, ex);
2228	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2229	>	}}
2230
2231	<	/**
2232	<	* thenComposeAsync result completes exceptionally if source cancelled
2233	<	*/
2234	<	public void testThenComposeAsync4() {
2235	<	CompletableFuture<Integer> f, g;
2236	<	CompletableFutureInc r;
2231	>	public void testApplyToEither_exceptionalCompletion2() {
2232	>	for (ExecutionMode m : ExecutionMode.values())
2233	>	for (boolean fFirst : new boolean[] { true, false })
2234	>	for (Integer v1 : new Integer[] { 1, null })
2235	>	{
2236	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2237	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2238	>	final CFException ex = new CFException();
2239	>	final IncFunction[] rs = new IncFunction[6];
2240	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2241
2242	<	f = new CompletableFuture<>();
2243	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2244	<	assertTrue(f.cancel(true));
2245	<	checkCompletedWithWrappedCancellationException(g);
2242	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2243	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2244	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2245	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2246	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2247	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2248
2249	<	f = new CompletableFuture<>();
2250	<	assertTrue(f.cancel(true));
2251	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2252	<	checkCompletedWithWrappedCancellationException(g);
2253	<	}
2249	>	// unspecified behavior - both source completions available
2250	>	try {
2251	>	assertEquals(inc(v1), h0.join());
2252	>	rs[0].assertValue(inc(v1));
2253	>	} catch (CompletionException ok) {
2254	>	checkCompletedWithWrappedException(h0, ex);
2255	>	rs[0].assertNotInvoked();
2256	>	}
2257	>	try {
2258	>	assertEquals(inc(v1), h1.join());
2259	>	rs[1].assertValue(inc(v1));
2260	>	} catch (CompletionException ok) {
2261	>	checkCompletedWithWrappedException(h1, ex);
2262	>	rs[1].assertNotInvoked();
2263	>	}
2264	>	try {
2265	>	assertEquals(inc(v1), h2.join());
2266	>	rs[2].assertValue(inc(v1));
2267	>	} catch (CompletionException ok) {
2268	>	checkCompletedWithWrappedException(h2, ex);
2269	>	rs[2].assertNotInvoked();
2270	>	}
2271	>	try {
2272	>	assertEquals(inc(v1), h3.join());
2273	>	rs[3].assertValue(inc(v1));
2274	>	} catch (CompletionException ok) {
2275	>	checkCompletedWithWrappedException(h3, ex);
2276	>	rs[3].assertNotInvoked();
2277	>	}
2278
2279	<	// async with explicit executors
2279	>	checkCompletedNormally(f, v1);
2280	>	checkCompletedExceptionally(g, ex);
2281	>	}}
2282
2283		/**
2284	<	* thenRunAsync result completes normally after normal completion of source
2284	>	* applyToEither result completes exceptionally if either source cancelled
2285		*/
2286	<	public void testThenRunAsyncE() {
2287	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2288	<	Noop r = new Noop();
2289	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2290	<	f.complete(null);
2291	<	checkCompletedNormally(g, null);
2286	>	public void testApplyToEither_sourceCancelled() {
2287	>	for (ExecutionMode m : ExecutionMode.values())
2288	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2289	>	for (Integer v1 : new Integer[] { 1, null })
2290	>	{
2291	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2292	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2293	>	final IncFunction[] rs = new IncFunction[6];
2294	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2295
2296	<	// reordered version
2297	<	f = new CompletableFuture<>();
2298	<	f.complete(null);
2299	<	r = new Noop();
2300	<	g = f.thenRunAsync(r, new ThreadExecutor());
2301	<	checkCompletedNormally(g, null);
2302	<	}
2296	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2297	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2298	>	checkIncomplete(h0);
2299	>	checkIncomplete(h1);
2300	>	rs[0].assertNotInvoked();
2301	>	rs[1].assertNotInvoked();
2302	>	f.cancel(mayInterruptIfRunning);
2303	>	checkCompletedWithWrappedCancellationException(h0);
2304	>	checkCompletedWithWrappedCancellationException(h1);
2305	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2306	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2307	>	checkCompletedWithWrappedCancellationException(h2);
2308	>	checkCompletedWithWrappedCancellationException(h3);
2309	>	g.complete(v1);
2310
2311	<	/**
2312	<	* thenRunAsync result completes exceptionally after exceptional
2313	<	* completion of source
2284	<	*/
2285	<	public void testThenRunAsync2E() {
2286	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2287	<	Noop r = new Noop();
2288	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2289	<	f.completeExceptionally(new CFException());
2311	>	// unspecified behavior - both source completions available
2312	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2313	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2314		try {
2315	<	g.join();
2316	<	shouldThrow();
2317	<	} catch (CompletionException success) {}
2318	<	checkCompletedWithWrappedCFException(g);
2319	<	}
2315	>	assertEquals(inc(v1), h4.join());
2316	>	rs[4].assertValue(inc(v1));
2317	>	} catch (CompletionException ok) {
2318	>	checkCompletedWithWrappedCancellationException(h4);
2319	>	rs[4].assertNotInvoked();
2320	>	}
2321	>	try {
2322	>	assertEquals(inc(v1), h5.join());
2323	>	rs[5].assertValue(inc(v1));
2324	>	} catch (CompletionException ok) {
2325	>	checkCompletedWithWrappedCancellationException(h5);
2326	>	rs[5].assertNotInvoked();
2327	>	}
2328
2329	<	/**
2330	<	* thenRunAsync result completes exceptionally if action does
2331	<	*/
2332	<	public void testThenRunAsync3E() {
2333	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2334	<	FailingNoop r = new FailingNoop();
2335	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2336	<	f.complete(null);
2305	<	checkCompletedWithWrappedCFException(g);
2306	<	}
2329	>	checkCancelled(f);
2330	>	checkCompletedNormally(g, v1);
2331	>	checkCompletedWithWrappedCancellationException(h0);
2332	>	checkCompletedWithWrappedCancellationException(h1);
2333	>	checkCompletedWithWrappedCancellationException(h2);
2334	>	checkCompletedWithWrappedCancellationException(h3);
2335	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2336	>	}}
2337
2338	<	/**
2339	<	* thenRunAsync result completes exceptionally if source cancelled
2340	<	*/
2341	<	public void testThenRunAsync4E() {
2342	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2343	<	Noop r = new Noop();
2344	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2345	<	assertTrue(f.cancel(true));
2346	<	checkCompletedWithWrappedCancellationException(g);
2347	<	}
2338	>	public void testApplyToEither_sourceCancelled2() {
2339	>	for (ExecutionMode m : ExecutionMode.values())
2340	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2341	>	for (boolean fFirst : new boolean[] { true, false })
2342	>	for (Integer v1 : new Integer[] { 1, null })
2343	>	{
2344	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2345	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2346	>	final IncFunction[] rs = new IncFunction[6];
2347	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2348
2349	<	/**
2350	<	* thenApplyAsync result completes normally after normal completion of source
2351	<	*/
2352	<	public void testThenApplyAsyncE() {
2353	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2354	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2325	<	f.complete(one);
2326	<	checkCompletedNormally(g, two);
2327	<	}
2349	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2350	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2351	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2352	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2353	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2354	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2355
2356	<	/**
2357	<	* thenApplyAsync result completes exceptionally after exceptional
2358	<	* completion of source
2359	<	*/
2360	<	public void testThenApplyAsync2E() {
2361	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2362	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2363	<	f.completeExceptionally(new CFException());
2364	<	checkCompletedWithWrappedCFException(g);
2365	<	}
2356	>	// unspecified behavior - both source completions available
2357	>	try {
2358	>	assertEquals(inc(v1), h0.join());
2359	>	rs[0].assertValue(inc(v1));
2360	>	} catch (CompletionException ok) {
2361	>	checkCompletedWithWrappedCancellationException(h0);
2362	>	rs[0].assertNotInvoked();
2363	>	}
2364	>	try {
2365	>	assertEquals(inc(v1), h1.join());
2366	>	rs[1].assertValue(inc(v1));
2367	>	} catch (CompletionException ok) {
2368	>	checkCompletedWithWrappedCancellationException(h1);
2369	>	rs[1].assertNotInvoked();
2370	>	}
2371	>	try {
2372	>	assertEquals(inc(v1), h2.join());
2373	>	rs[2].assertValue(inc(v1));
2374	>	} catch (CompletionException ok) {
2375	>	checkCompletedWithWrappedCancellationException(h2);
2376	>	rs[2].assertNotInvoked();
2377	>	}
2378	>	try {
2379	>	assertEquals(inc(v1), h3.join());
2380	>	rs[3].assertValue(inc(v1));
2381	>	} catch (CompletionException ok) {
2382	>	checkCompletedWithWrappedCancellationException(h3);
2383	>	rs[3].assertNotInvoked();
2384	>	}
2385
2386	<	/**
2387	<	* thenApplyAsync result completes exceptionally if action does
2388	<	*/
2343	<	public void testThenApplyAsync3E() {
2344	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2345	<	FailingFunction r = new FailingFunction();
2346	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2347	<	f.complete(null);
2348	<	checkCompletedWithWrappedCFException(g);
2349	<	}
2386	>	checkCompletedNormally(f, v1);
2387	>	checkCancelled(g);
2388	>	}}
2389
2390		/**
2391	<	* thenApplyAsync result completes exceptionally if source cancelled
2391	>	* applyToEither result completes exceptionally if action does
2392		*/
2393	<	public void testThenApplyAsync4E() {
2394	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2395	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2396	<	assertTrue(f.cancel(true));
2397	<	checkCompletedWithWrappedCancellationException(g);
2398	<	}
2393	>	public void testApplyToEither_actionFailed() {
2394	>	for (ExecutionMode m : ExecutionMode.values())
2395	>	for (Integer v1 : new Integer[] { 1, null })
2396	>	for (Integer v2 : new Integer[] { 2, null })
2397	>	{
2398	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2399	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2400	>	final FailingFunction[] rs = new FailingFunction[6];
2401	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2402
2403	<	/**
2404	<	* thenAcceptAsync result completes normally after normal
2405	<	* completion of source
2406	<	*/
2407	<	public void testThenAcceptAsyncE() {
2408	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2409	<	IncAction r = new IncAction();
2410	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2411	<	f.complete(one);
2412	<	checkCompletedNormally(g, null);
2371	<	assertEquals(r.value, 2);
2372	<	}
2403	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2404	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2405	>	f.complete(v1);
2406	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2407	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2408	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2409	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2410	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2411	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2412	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2413
2414	<	/**
2375	<	* thenAcceptAsync result completes exceptionally after exceptional
2376	<	* completion of source
2377	<	*/
2378	<	public void testThenAcceptAsync2E() {
2379	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2380	<	IncAction r = new IncAction();
2381	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2382	<	f.completeExceptionally(new CFException());
2383	<	checkCompletedWithWrappedCFException(g);
2384	<	}
2414	>	g.complete(v2);
2415
2416	<	/**
2417	<	* thenAcceptAsync result completes exceptionally if action does
2418	<	*/
2419	<	public void testThenAcceptAsync3E() {
2420	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2421	<	FailingConsumer r = new FailingConsumer();
2422	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2423	<	f.complete(null);
2424	<	checkCompletedWithWrappedCFException(g);
2425	<	}
2416	>	// unspecified behavior - both source completions available
2417	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2418	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2419	>
2420	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2421	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2422	>	Objects.equals(v2, rs[4].value));
2423	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2424	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2425	>	Objects.equals(v2, rs[5].value));
2426
2427	<	/**
2428	<	* thenAcceptAsync result completes exceptionally if source cancelled
2429	<	*/
2400	<	public void testThenAcceptAsync4E() {
2401	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2402	<	IncAction r = new IncAction();
2403	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2404	<	assertTrue(f.cancel(true));
2405	<	checkCompletedWithWrappedCancellationException(g);
2406	<	}
2427	>	checkCompletedNormally(f, v1);
2428	>	checkCompletedNormally(g, v2);
2429	>	}}
2430
2431		/**
2432	<	* thenCombineAsync result completes normally after normal
2433	<	* completion of sources
2432	>	* acceptEither result completes normally after normal completion
2433	>	* of either source
2434		*/
2435	<	public void testThenCombineAsyncE() {
2436	<	CompletableFuture<Integer> f, g, h;
2437	<	ThreadExecutor e = new ThreadExecutor();
2438	<	int count = 0;
2435	>	public void testAcceptEither_normalCompletion() {
2436	>	for (ExecutionMode m : ExecutionMode.values())
2437	>	for (Integer v1 : new Integer[] { 1, null })
2438	>	for (Integer v2 : new Integer[] { 2, null })
2439	>	{
2440	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2441	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2442	>	final NoopConsumer[] rs = new NoopConsumer[6];
2443	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2444
2445	<	f = new CompletableFuture<>();
2446	<	g = new CompletableFuture<>();
2447	<	h = f.thenCombineAsync(g, subtract, e);
2448	<	f.complete(3);
2449	<	checkIncomplete(h);
2450	<	g.complete(1);
2451	<	checkCompletedNormally(h, 2);
2452	<	assertEquals(++count, e.count.get());
2445	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2446	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2447	>	checkIncomplete(h0);
2448	>	checkIncomplete(h1);
2449	>	rs[0].assertNotInvoked();
2450	>	rs[1].assertNotInvoked();
2451	>	f.complete(v1);
2452	>	checkCompletedNormally(h0, null);
2453	>	checkCompletedNormally(h1, null);
2454	>	rs[0].assertValue(v1);
2455	>	rs[1].assertValue(v1);
2456	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2457	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2458	>	checkCompletedNormally(h2, null);
2459	>	checkCompletedNormally(h3, null);
2460	>	rs[2].assertValue(v1);
2461	>	rs[3].assertValue(v1);
2462	>	g.complete(v2);
2463
2464	<	f = new CompletableFuture<>();
2465	<	g = new CompletableFuture<>();
2466	<	h = f.thenCombineAsync(g, subtract, e);
2467	<	g.complete(1);
2468	<	checkIncomplete(h);
2469	<	f.complete(3);
2470	<	checkCompletedNormally(h, 2);
2471	<	assertEquals(++count, e.count.get());
2464	>	// unspecified behavior - both source completions available
2465	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2466	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2467	>	checkCompletedNormally(h4, null);
2468	>	checkCompletedNormally(h5, null);
2469	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2470	>	Objects.equals(v2, rs[4].value));
2471	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2472	>	Objects.equals(v2, rs[5].value));
2473
2474	<	f = new CompletableFuture<>();
2475	<	g = new CompletableFuture<>();
2476	<	g.complete(1);
2477	<	f.complete(3);
2478	<	h = f.thenCombineAsync(g, subtract, e);
2479	<	checkCompletedNormally(h, 2);
2480	<	assertEquals(++count, e.count.get());
2481	<	}
2474	>	checkCompletedNormally(f, v1);
2475	>	checkCompletedNormally(g, v2);
2476	>	checkCompletedNormally(h0, null);
2477	>	checkCompletedNormally(h1, null);
2478	>	checkCompletedNormally(h2, null);
2479	>	checkCompletedNormally(h3, null);
2480	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2481	>	}}
2482
2483		/**
2484	<	* thenCombineAsync result completes exceptionally after exceptional
2484	>	* acceptEither result completes exceptionally after exceptional
2485		* completion of either source
2486		*/
2487	<	public void testThenCombineAsync2E() {
2488	<	CompletableFuture<Integer> f, g, h;
2489	<	ThreadExecutor e = new ThreadExecutor();
2490	<	int count = 0;
2491	<
2492	<	f = new CompletableFuture<>();
2493	<	g = new CompletableFuture<>();
2494	<	h = f.thenCombineAsync(g, subtract, e);
2495	<	f.completeExceptionally(new CFException());
2457	<	checkIncomplete(h);
2458	<	g.complete(1);
2459	<	checkCompletedWithWrappedCFException(h);
2460	<
2461	<	f = new CompletableFuture<>();
2462	<	g = new CompletableFuture<>();
2463	<	h = f.thenCombineAsync(g, subtract, e);
2464	<	g.completeExceptionally(new CFException());
2465	<	checkIncomplete(h);
2466	<	f.complete(3);
2467	<	checkCompletedWithWrappedCFException(h);
2468	<
2469	<	f = new CompletableFuture<>();
2470	<	g = new CompletableFuture<>();
2471	<	g.completeExceptionally(new CFException());
2472	<	h = f.thenCombineAsync(g, subtract, e);
2473	<	checkIncomplete(h);
2474	<	f.complete(3);
2475	<	checkCompletedWithWrappedCFException(h);
2487	>	public void testAcceptEither_exceptionalCompletion() {
2488	>	for (ExecutionMode m : ExecutionMode.values())
2489	>	for (Integer v1 : new Integer[] { 1, null })
2490	>	{
2491	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2492	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2493	>	final CFException ex = new CFException();
2494	>	final NoopConsumer[] rs = new NoopConsumer[6];
2495	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2496
2497	<	assertEquals(0, e.count.get());
2498	<	}
2497	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2498	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2499	>	checkIncomplete(h0);
2500	>	checkIncomplete(h1);
2501	>	rs[0].assertNotInvoked();
2502	>	rs[1].assertNotInvoked();
2503	>	f.completeExceptionally(ex);
2504	>	checkCompletedWithWrappedException(h0, ex);
2505	>	checkCompletedWithWrappedException(h1, ex);
2506	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2507	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2508	>	checkCompletedWithWrappedException(h2, ex);
2509	>	checkCompletedWithWrappedException(h3, ex);
2510
2511	<	/**
2481	<	* thenCombineAsync result completes exceptionally if action does
2482	<	*/
2483	<	public void testThenCombineAsync3E() {
2484	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2485	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2486	<	FailingBiFunction r = new FailingBiFunction();
2487	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2488	<	f.complete(one);
2489	<	checkIncomplete(g);
2490	<	assertFalse(r.ran);
2491	<	f2.complete(two);
2492	<	checkCompletedWithWrappedCFException(g);
2493	<	assertTrue(r.ran);
2494	<	}
2511	>	g.complete(v1);
2512
2513	<	/**
2514	<	* thenCombineAsync result completes exceptionally if either source cancelled
2515	<	*/
2516	<	public void testThenCombineAsync4E() {
2517	<	CompletableFuture<Integer> f, g, h;
2518	<	ThreadExecutor e = new ThreadExecutor();
2513	>	// unspecified behavior - both source completions available
2514	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2515	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2516	>	try {
2517	>	assertNull(h4.join());
2518	>	rs[4].assertValue(v1);
2519	>	} catch (CompletionException ok) {
2520	>	checkCompletedWithWrappedException(h4, ex);
2521	>	rs[4].assertNotInvoked();
2522	>	}
2523	>	try {
2524	>	assertNull(h5.join());
2525	>	rs[5].assertValue(v1);
2526	>	} catch (CompletionException ok) {
2527	>	checkCompletedWithWrappedException(h5, ex);
2528	>	rs[5].assertNotInvoked();
2529	>	}
2530
2531	<	f = new CompletableFuture<>();
2532	<	g = new CompletableFuture<>();
2533	<	h = f.thenCombineAsync(g, subtract, e);
2534	<	assertTrue(f.cancel(true));
2535	<	checkIncomplete(h);
2536	<	g.complete(1);
2537	<	checkCompletedWithWrappedCancellationException(h);
2531	>	checkCompletedExceptionally(f, ex);
2532	>	checkCompletedNormally(g, v1);
2533	>	checkCompletedWithWrappedException(h0, ex);
2534	>	checkCompletedWithWrappedException(h1, ex);
2535	>	checkCompletedWithWrappedException(h2, ex);
2536	>	checkCompletedWithWrappedException(h3, ex);
2537	>	checkCompletedWithWrappedException(h4, ex);
2538	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2539	>	}}
2540
2541	<	f = new CompletableFuture<>();
2542	<	g = new CompletableFuture<>();
2543	<	h = f.thenCombineAsync(g, subtract, e);
2544	<	assertTrue(g.cancel(true));
2545	<	checkIncomplete(h);
2546	<	f.complete(3);
2547	<	checkCompletedWithWrappedCancellationException(h);
2541	>	public void testAcceptEither_exceptionalCompletion2() {
2542	>	for (ExecutionMode m : ExecutionMode.values())
2543	>	for (boolean fFirst : new boolean[] { true, false })
2544	>	for (Integer v1 : new Integer[] { 1, null })
2545	>	{
2546	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2547	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2548	>	final CFException ex = new CFException();
2549	>	final NoopConsumer[] rs = new NoopConsumer[6];
2550	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2551
2552	<	f = new CompletableFuture<>();
2553	<	g = new CompletableFuture<>();
2554	<	assertTrue(g.cancel(true));
2555	<	h = f.thenCombineAsync(g, subtract, e);
2556	<	checkIncomplete(h);
2557	<	f.complete(3);
2525	<	checkCompletedWithWrappedCancellationException(h);
2552	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2553	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2554	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2555	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2556	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2557	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2558
2559	<	f = new CompletableFuture<>();
2560	<	g = new CompletableFuture<>();
2561	<	assertTrue(f.cancel(true));
2562	<	assertTrue(g.cancel(true));
2563	<	h = f.thenCombineAsync(g, subtract, e);
2564	<	checkCompletedWithWrappedCancellationException(h);
2559	>	// unspecified behavior - both source completions available
2560	>	try {
2561	>	assertNull(h0.join());
2562	>	rs[0].assertValue(v1);
2563	>	} catch (CompletionException ok) {
2564	>	checkCompletedWithWrappedException(h0, ex);
2565	>	rs[0].assertNotInvoked();
2566	>	}
2567	>	try {
2568	>	assertNull(h1.join());
2569	>	rs[1].assertValue(v1);
2570	>	} catch (CompletionException ok) {
2571	>	checkCompletedWithWrappedException(h1, ex);
2572	>	rs[1].assertNotInvoked();
2573	>	}
2574	>	try {
2575	>	assertNull(h2.join());
2576	>	rs[2].assertValue(v1);
2577	>	} catch (CompletionException ok) {
2578	>	checkCompletedWithWrappedException(h2, ex);
2579	>	rs[2].assertNotInvoked();
2580	>	}
2581	>	try {
2582	>	assertNull(h3.join());
2583	>	rs[3].assertValue(v1);
2584	>	} catch (CompletionException ok) {
2585	>	checkCompletedWithWrappedException(h3, ex);
2586	>	rs[3].assertNotInvoked();
2587	>	}
2588
2589	<	assertEquals(0, e.count.get());
2590	<	}
2589	>	checkCompletedNormally(f, v1);
2590	>	checkCompletedExceptionally(g, ex);
2591	>	}}
2592
2593		/**
2594	<	* thenAcceptBothAsync result completes normally after normal
2539	<	* completion of sources
2594	>	* acceptEither result completes exceptionally if either source cancelled
2595		*/
2596	<	public void testThenAcceptBothAsyncE() {
2597	<	CompletableFuture<Integer> f, g;
2598	<	CompletableFuture<Void> h;
2599	<	SubtractAction r;
2600	<	ThreadExecutor e = new ThreadExecutor();
2596	>	public void testAcceptEither_sourceCancelled() {
2597	>	for (ExecutionMode m : ExecutionMode.values())
2598	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2599	>	for (Integer v1 : new Integer[] { 1, null })
2600	>	{
2601	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2602	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2603	>	final NoopConsumer[] rs = new NoopConsumer[6];
2604	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2605
2606	<	f = new CompletableFuture<>();
2607	<	g = new CompletableFuture<>();
2608	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2609	<	f.complete(3);
2610	<	checkIncomplete(h);
2611	<	g.complete(1);
2612	<	checkCompletedNormally(h, null);
2613	<	assertEquals(r.value, 2);
2606	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2607	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2608	>	checkIncomplete(h0);
2609	>	checkIncomplete(h1);
2610	>	rs[0].assertNotInvoked();
2611	>	rs[1].assertNotInvoked();
2612	>	f.cancel(mayInterruptIfRunning);
2613	>	checkCompletedWithWrappedCancellationException(h0);
2614	>	checkCompletedWithWrappedCancellationException(h1);
2615	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2616	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2617	>	checkCompletedWithWrappedCancellationException(h2);
2618	>	checkCompletedWithWrappedCancellationException(h3);
2619
2620	<	f = new CompletableFuture<>();
2557	<	g = new CompletableFuture<>();
2558	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2559	<	g.complete(1);
2560	<	checkIncomplete(h);
2561	<	f.complete(3);
2562	<	checkCompletedNormally(h, null);
2563	<	assertEquals(r.value, 2);
2620	>	g.complete(v1);
2621
2622	<	f = new CompletableFuture<>();
2623	<	g = new CompletableFuture<>();
2624	<	g.complete(1);
2625	<	f.complete(3);
2626	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2627	<	checkCompletedNormally(h, null);
2628	<	assertEquals(r.value, 2);
2622	>	// unspecified behavior - both source completions available
2623	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2624	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2625	>	try {
2626	>	assertNull(h4.join());
2627	>	rs[4].assertValue(v1);
2628	>	} catch (CompletionException ok) {
2629	>	checkCompletedWithWrappedCancellationException(h4);
2630	>	rs[4].assertNotInvoked();
2631	>	}
2632	>	try {
2633	>	assertNull(h5.join());
2634	>	rs[5].assertValue(v1);
2635	>	} catch (CompletionException ok) {
2636	>	checkCompletedWithWrappedCancellationException(h5);
2637	>	rs[5].assertNotInvoked();
2638	>	}
2639
2640	<	assertEquals(3, e.count.get());
2641	<	}
2640	>	checkCancelled(f);
2641	>	checkCompletedNormally(g, v1);
2642	>	checkCompletedWithWrappedCancellationException(h0);
2643	>	checkCompletedWithWrappedCancellationException(h1);
2644	>	checkCompletedWithWrappedCancellationException(h2);
2645	>	checkCompletedWithWrappedCancellationException(h3);
2646	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2647	>	}}
2648
2649		/**
2650	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2578	<	* completion of source
2650	>	* acceptEither result completes exceptionally if action does
2651		*/
2652	<	public void testThenAcceptBothAsync2E() {
2653	<	CompletableFuture<Integer> f, g;
2654	<	CompletableFuture<Void> h;
2655	<	SubtractAction r;
2656	<	ThreadExecutor e = new ThreadExecutor();
2657	<
2658	<	f = new CompletableFuture<>();
2659	<	g = new CompletableFuture<>();
2660	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2589	<	f.completeExceptionally(new CFException());
2590	<	checkIncomplete(h);
2591	<	g.complete(1);
2592	<	checkCompletedWithWrappedCFException(h);
2593	<
2594	<	f = new CompletableFuture<>();
2595	<	g = new CompletableFuture<>();
2596	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2597	<	g.completeExceptionally(new CFException());
2598	<	checkIncomplete(h);
2599	<	f.complete(3);
2600	<	checkCompletedWithWrappedCFException(h);
2601	<
2602	<	f = new CompletableFuture<>();
2603	<	g = new CompletableFuture<>();
2604	<	f.complete(3);
2605	<	g.completeExceptionally(new CFException());
2606	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2607	<	checkCompletedWithWrappedCFException(h);
2608	<
2609	<	f = new CompletableFuture<>();
2610	<	g = new CompletableFuture<>();
2611	<	f.completeExceptionally(new CFException());
2612	<	g.complete(3);
2613	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2614	<	checkCompletedWithWrappedCFException(h);
2615	<
2616	<	assertEquals(0, e.count.get());
2617	<	}
2652	>	public void testAcceptEither_actionFailed() {
2653	>	for (ExecutionMode m : ExecutionMode.values())
2654	>	for (Integer v1 : new Integer[] { 1, null })
2655	>	for (Integer v2 : new Integer[] { 2, null })
2656	>	{
2657	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2658	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2659	>	final FailingConsumer[] rs = new FailingConsumer[6];
2660	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2661
2662	<	/**
2663	<	* thenAcceptBothAsync result completes exceptionally if action does
2664	<	*/
2665	<	public void testThenAcceptBothAsync3E() {
2666	<	CompletableFuture<Integer> f, g;
2667	<	CompletableFuture<Void> h;
2668	<	FailingBiConsumer r;
2669	<	ThreadExecutor e = new ThreadExecutor();
2662	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2663	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2664	>	f.complete(v1);
2665	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2666	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2667	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2668	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2669	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2670	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2671	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2672
2673	<	f = new CompletableFuture<>();
2629	<	g = new CompletableFuture<>();
2630	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2631	<	f.complete(3);
2632	<	checkIncomplete(h);
2633	<	g.complete(1);
2634	<	checkCompletedWithWrappedCFException(h);
2673	>	g.complete(v2);
2674
2675	<	f = new CompletableFuture<>();
2676	<	g = new CompletableFuture<>();
2677	<	f.complete(3);
2678	<	g.complete(1);
2679	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2680	<	checkCompletedWithWrappedCFException(h);
2675	>	// unspecified behavior - both source completions available
2676	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2677	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2678	>
2679	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2680	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2681	>	Objects.equals(v2, rs[4].value));
2682	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2683	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2684	>	Objects.equals(v2, rs[5].value));
2685
2686	<	assertEquals(2, e.count.get());
2687	<	}
2686	>	checkCompletedNormally(f, v1);
2687	>	checkCompletedNormally(g, v2);
2688	>	}}
2689
2690		/**
2691	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2691	>	* runAfterEither result completes normally after normal completion
2692	>	* of either source
2693		*/
2694	<	public void testThenAcceptBothAsync4E() {
2695	<	CompletableFuture<Integer> f, g;
2696	<	CompletableFuture<Void> h;
2697	<	SubtractAction r;
2698	<	ThreadExecutor e = new ThreadExecutor();
2694	>	public void testRunAfterEither_normalCompletion() {
2695	>	for (ExecutionMode m : ExecutionMode.values())
2696	>	for (Integer v1 : new Integer[] { 1, null })
2697	>	for (Integer v2 : new Integer[] { 2, null })
2698	>	for (boolean pushNop : new boolean[] { true, false })
2699	>	{
2700	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2701	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2702	>	final Noop[] rs = new Noop[6];
2703	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2704
2705	<	f = new CompletableFuture<>();
2706	<	g = new CompletableFuture<>();
2707	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2708	<	assertTrue(f.cancel(true));
2709	<	checkIncomplete(h);
2710	<	g.complete(1);
2711	<	checkCompletedWithWrappedCancellationException(h);
2705	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2706	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2707	>	checkIncomplete(h0);
2708	>	checkIncomplete(h1);
2709	>	rs[0].assertNotInvoked();
2710	>	rs[1].assertNotInvoked();
2711	>	if (pushNop) {          // ad hoc test of intra-completion interference
2712	>	m.thenRun(f, () -> {});
2713	>	m.thenRun(g, () -> {});
2714	>	}
2715	>	f.complete(v1);
2716	>	checkCompletedNormally(h0, null);
2717	>	checkCompletedNormally(h1, null);
2718	>	rs[0].assertInvoked();
2719	>	rs[1].assertInvoked();
2720	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2721	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2722	>	checkCompletedNormally(h2, null);
2723	>	checkCompletedNormally(h3, null);
2724	>	rs[2].assertInvoked();
2725	>	rs[3].assertInvoked();
2726
2727	<	f = new CompletableFuture<>();
2664	<	g = new CompletableFuture<>();
2665	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2666	<	assertTrue(g.cancel(true));
2667	<	checkIncomplete(h);
2668	<	f.complete(3);
2669	<	checkCompletedWithWrappedCancellationException(h);
2727	>	g.complete(v2);
2728
2729	<	f = new CompletableFuture<>();
2730	<	g = new CompletableFuture<>();
2673	<	f.complete(3);
2674	<	assertTrue(g.cancel(true));
2675	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2676	<	checkCompletedWithWrappedCancellationException(h);
2729	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2730	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2731
2732	<	f = new CompletableFuture<>();
2733	<	g = new CompletableFuture<>();
2734	<	assertTrue(f.cancel(true));
2735	<	g.complete(3);
2736	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2737	<	checkCompletedWithWrappedCancellationException(h);
2738	<
2739	<	assertEquals(0, e.count.get());
2740	<	}
2732	>	checkCompletedNormally(f, v1);
2733	>	checkCompletedNormally(g, v2);
2734	>	checkCompletedNormally(h0, null);
2735	>	checkCompletedNormally(h1, null);
2736	>	checkCompletedNormally(h2, null);
2737	>	checkCompletedNormally(h3, null);
2738	>	checkCompletedNormally(h4, null);
2739	>	checkCompletedNormally(h5, null);
2740	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2741	>	}}
2742
2743		/**
2744	<	* applyToEitherAsync result completes normally after normal
2745	<	* completion of sources
2744	>	* runAfterEither result completes exceptionally after exceptional
2745	>	* completion of either source
2746		*/
2747	<	public void testApplyToEitherAsyncE() {
2748	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2749	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2750	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2751	<	f.complete(one);
2752	<	checkCompletedNormally(g, two);
2747	>	public void testRunAfterEither_exceptionalCompletion() {
2748	>	for (ExecutionMode m : ExecutionMode.values())
2749	>	for (Integer v1 : new Integer[] { 1, null })
2750	>	{
2751	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2752	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2753	>	final CFException ex = new CFException();
2754	>	final Noop[] rs = new Noop[6];
2755	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2756
2757	<	f = new CompletableFuture<>();
2758	<	f.complete(one);
2759	<	f2 = new CompletableFuture<>();
2760	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2761	<	checkCompletedNormally(g, two);
2762	<	}
2757	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2758	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2759	>	checkIncomplete(h0);
2760	>	checkIncomplete(h1);
2761	>	rs[0].assertNotInvoked();
2762	>	rs[1].assertNotInvoked();
2763	>	assertTrue(f.completeExceptionally(ex));
2764	>	checkCompletedWithWrappedException(h0, ex);
2765	>	checkCompletedWithWrappedException(h1, ex);
2766	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2767	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2768	>	checkCompletedWithWrappedException(h2, ex);
2769	>	checkCompletedWithWrappedException(h3, ex);
2770	>
2771	>	assertTrue(g.complete(v1));
2772	>
2773	>	// unspecified behavior - both source completions available
2774	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2775	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2776	>	try {
2777	>	assertNull(h4.join());
2778	>	rs[4].assertInvoked();
2779	>	} catch (CompletionException ok) {
2780	>	checkCompletedWithWrappedException(h4, ex);
2781	>	rs[4].assertNotInvoked();
2782	>	}
2783	>	try {
2784	>	assertNull(h5.join());
2785	>	rs[5].assertInvoked();
2786	>	} catch (CompletionException ok) {
2787	>	checkCompletedWithWrappedException(h5, ex);
2788	>	rs[5].assertNotInvoked();
2789	>	}
2790
2791	<	/**
2792	<	* applyToEitherAsync result completes exceptionally after exceptional
2793	<	* completion of source
2794	<	*/
2795	<	public void testApplyToEitherAsync2E() {
2796	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2797	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2798	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2799	<	f.completeExceptionally(new CFException());
2715	<	checkCompletedWithWrappedCFException(g);
2791	>	checkCompletedExceptionally(f, ex);
2792	>	checkCompletedNormally(g, v1);
2793	>	checkCompletedWithWrappedException(h0, ex);
2794	>	checkCompletedWithWrappedException(h1, ex);
2795	>	checkCompletedWithWrappedException(h2, ex);
2796	>	checkCompletedWithWrappedException(h3, ex);
2797	>	checkCompletedWithWrappedException(h4, ex);
2798	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2799	>	}}
2800
2801	<	f = new CompletableFuture<>();
2802	<	f2 = new CompletableFuture<>();
2803	<	f2.completeExceptionally(new CFException());
2804	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2805	<	f.complete(one);
2806	<	checkCompletedWithWrappedCFException(g);
2807	<	}
2801	>	public void testRunAfterEither_exceptionalCompletion2() {
2802	>	for (ExecutionMode m : ExecutionMode.values())
2803	>	for (boolean fFirst : new boolean[] { true, false })
2804	>	for (Integer v1 : new Integer[] { 1, null })
2805	>	{
2806	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2807	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2808	>	final CFException ex = new CFException();
2809	>	final Noop[] rs = new Noop[6];
2810	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2811
2812	<	/**
2813	<	* applyToEitherAsync result completes exceptionally if action does
2814	<	*/
2815	<	public void testApplyToEitherAsync3E() {
2816	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2817	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2731	<	FailingFunction r = new FailingFunction();
2732	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2733	<	f.complete(one);
2734	<	checkCompletedWithWrappedCFException(g);
2735	<	}
2812	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2813	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2814	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2815	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2816	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2817	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2818
2819	<	/**
2820	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2821	<	*/
2822	<	public void testApplyToEitherAsync4E() {
2823	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2824	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2825	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2826	<	assertTrue(f.cancel(true));
2827	<	checkCompletedWithWrappedCancellationException(g);
2819	>	// unspecified behavior - both source completions available
2820	>	try {
2821	>	assertNull(h0.join());
2822	>	rs[0].assertInvoked();
2823	>	} catch (CompletionException ok) {
2824	>	checkCompletedWithWrappedException(h0, ex);
2825	>	rs[0].assertNotInvoked();
2826	>	}
2827	>	try {
2828	>	assertNull(h1.join());
2829	>	rs[1].assertInvoked();
2830	>	} catch (CompletionException ok) {
2831	>	checkCompletedWithWrappedException(h1, ex);
2832	>	rs[1].assertNotInvoked();
2833	>	}
2834	>	try {
2835	>	assertNull(h2.join());
2836	>	rs[2].assertInvoked();
2837	>	} catch (CompletionException ok) {
2838	>	checkCompletedWithWrappedException(h2, ex);
2839	>	rs[2].assertNotInvoked();
2840	>	}
2841	>	try {
2842	>	assertNull(h3.join());
2843	>	rs[3].assertInvoked();
2844	>	} catch (CompletionException ok) {
2845	>	checkCompletedWithWrappedException(h3, ex);
2846	>	rs[3].assertNotInvoked();
2847	>	}
2848
2849	<	f = new CompletableFuture<>();
2850	<	f2 = new CompletableFuture<>();
2851	<	assertTrue(f2.cancel(true));
2750	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2751	<	checkCompletedWithWrappedCancellationException(g);
2752	<	}
2849	>	checkCompletedNormally(f, v1);
2850	>	checkCompletedExceptionally(g, ex);
2851	>	}}
2852
2853		/**
2854	<	* acceptEitherAsync result completes normally after normal
2756	<	* completion of sources
2854	>	* runAfterEither result completes exceptionally if either source cancelled
2855		*/
2856	<	public void testAcceptEitherAsyncE() {
2857	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2858	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2859	<	IncAction r = new IncAction();
2860	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2861	<	f.complete(one);
2862	<	checkCompletedNormally(g, null);
2863	<	assertEquals(r.value, 2);
2864	<
2767	<	r = new IncAction();
2768	<	f = new CompletableFuture<>();
2769	<	f.complete(one);
2770	<	f2 = new CompletableFuture<>();
2771	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2772	<	checkCompletedNormally(g, null);
2773	<	assertEquals(r.value, 2);
2774	<	}
2856	>	public void testRunAfterEither_sourceCancelled() {
2857	>	for (ExecutionMode m : ExecutionMode.values())
2858	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2859	>	for (Integer v1 : new Integer[] { 1, null })
2860	>	{
2861	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2862	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2863	>	final Noop[] rs = new Noop[6];
2864	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2865
2866	<	/**
2867	<	* acceptEitherAsync result completes exceptionally after exceptional
2868	<	* completion of source
2869	<	*/
2870	<	public void testAcceptEitherAsync2E() {
2871	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2872	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2873	<	IncAction r = new IncAction();
2874	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2875	<	f.completeExceptionally(new CFException());
2876	<	checkCompletedWithWrappedCFException(g);
2866	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2867	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2868	>	checkIncomplete(h0);
2869	>	checkIncomplete(h1);
2870	>	rs[0].assertNotInvoked();
2871	>	rs[1].assertNotInvoked();
2872	>	f.cancel(mayInterruptIfRunning);
2873	>	checkCompletedWithWrappedCancellationException(h0);
2874	>	checkCompletedWithWrappedCancellationException(h1);
2875	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2876	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2877	>	checkCompletedWithWrappedCancellationException(h2);
2878	>	checkCompletedWithWrappedCancellationException(h3);
2879	>
2880	>	assertTrue(g.complete(v1));
2881	>
2882	>	// unspecified behavior - both source completions available
2883	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2884	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2885	>	try {
2886	>	assertNull(h4.join());
2887	>	rs[4].assertInvoked();
2888	>	} catch (CompletionException ok) {
2889	>	checkCompletedWithWrappedCancellationException(h4);
2890	>	rs[4].assertNotInvoked();
2891	>	}
2892	>	try {
2893	>	assertNull(h5.join());
2894	>	rs[5].assertInvoked();
2895	>	} catch (CompletionException ok) {
2896	>	checkCompletedWithWrappedCancellationException(h5);
2897	>	rs[5].assertNotInvoked();
2898	>	}
2899
2900	<	r = new IncAction();
2901	<	f = new CompletableFuture<>();
2902	<	f2 = new CompletableFuture<>();
2903	<	f2.completeExceptionally(new CFException());
2904	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2905	<	f.complete(one);
2906	<	checkCompletedWithWrappedCFException(g);
2907	<	}
2900	>	checkCancelled(f);
2901	>	checkCompletedNormally(g, v1);
2902	>	checkCompletedWithWrappedCancellationException(h0);
2903	>	checkCompletedWithWrappedCancellationException(h1);
2904	>	checkCompletedWithWrappedCancellationException(h2);
2905	>	checkCompletedWithWrappedCancellationException(h3);
2906	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2907	>	}}
2908
2909		/**
2910	<	* acceptEitherAsync result completes exceptionally if action does
2910	>	* runAfterEither result completes exceptionally if action does
2911		*/
2912	<	public void testAcceptEitherAsync3E() {
2913	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2914	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2915	<	FailingConsumer r = new FailingConsumer();
2916	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2917	<	f.complete(one);
2918	<	checkCompletedWithWrappedCFException(g);
2919	<	}
2912	>	public void testRunAfterEither_actionFailed() {
2913	>	for (ExecutionMode m : ExecutionMode.values())
2914	>	for (Integer v1 : new Integer[] { 1, null })
2915	>	for (Integer v2 : new Integer[] { 2, null })
2916	>	{
2917	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2918	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2919	>	final FailingRunnable[] rs = new FailingRunnable[6];
2920	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2921
2922	<	/**
2923	<	* acceptEitherAsync result completes exceptionally if either
2924	<	* source cancelled
2925	<	*/
2926	<	public void testAcceptEitherAsync4E() {
2927	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2928	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2929	<	IncAction r = new IncAction();
2930	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2931	<	assertTrue(f.cancel(true));
2932	<	checkCompletedWithWrappedCancellationException(g);
2922	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2923	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2924	>	assertTrue(f.complete(v1));
2925	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2926	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2927	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2928	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2929	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2930	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2931	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2932	>	assertTrue(g.complete(v2));
2933	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2934	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2935	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2936	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2937
2938	<	r = new IncAction();
2939	<	f = new CompletableFuture<>();
2940	<	f2 = new CompletableFuture<>();
2941	<	assertTrue(f2.cancel(true));
2825	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2826	<	checkCompletedWithWrappedCancellationException(g);
2827	<	}
2938	>	checkCompletedNormally(f, v1);
2939	>	checkCompletedNormally(g, v2);
2940	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2941	>	}}
2942
2943		/**
2944	<	* runAfterEitherAsync result completes normally after normal
2831	<	* completion of sources
2944	>	* thenCompose result completes normally after normal completion of source
2945		*/
2946	<	public void testRunAfterEitherAsyncE() {
2947	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2948	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2949	<	Noop r = new Noop();
2950	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2951	<	f.complete(one);
2952	<	checkCompletedNormally(g, null);
2953	<	assertTrue(r.ran);
2946	>	public void testThenCompose_normalCompletion() {
2947	>	for (ExecutionMode m : ExecutionMode.values())
2948	>	for (boolean createIncomplete : new boolean[] { true, false })
2949	>	for (Integer v1 : new Integer[] { 1, null })
2950	>	{
2951	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2952	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2953	>	if (!createIncomplete) assertTrue(f.complete(v1));
2954	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2955	>	if (createIncomplete) assertTrue(f.complete(v1));
2956
2957	<	r = new Noop();
2958	<	f = new CompletableFuture<>();
2959	<	f.complete(one);
2960	<	f2 = new CompletableFuture<>();
2846	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2847	<	checkCompletedNormally(g, null);
2848	<	assertTrue(r.ran);
2849	<	}
2957	>	checkCompletedNormally(g, inc(v1));
2958	>	checkCompletedNormally(f, v1);
2959	>	r.assertValue(v1);
2960	>	}}
2961
2962		/**
2963	<	* runAfterEitherAsync result completes exceptionally after exceptional
2963	>	* thenCompose result completes exceptionally after exceptional
2964		* completion of source
2965		*/
2966	<	public void testRunAfterEitherAsync2E() {
2967	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2968	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2969	<	Noop r = new Noop();
2970	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2971	<	f.completeExceptionally(new CFException());
2972	<	checkCompletedWithWrappedCFException(g);
2973	<
2974	<	r = new Noop();
2975	<	f = new CompletableFuture<>();
2976	<	f2 = new CompletableFuture<>();
2977	<	f2.completeExceptionally(new CFException());
2978	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2979	<	f.complete(one);
2980	<	checkCompletedWithWrappedCFException(g);
2870	<	}
2871	<
2872	<	/**
2873	<	* runAfterEitherAsync result completes exceptionally if action does
2874	<	*/
2875	<	public void testRunAfterEitherAsync3E() {
2876	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2877	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2878	<	FailingNoop r = new FailingNoop();
2879	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2880	<	f.complete(one);
2881	<	checkCompletedWithWrappedCFException(g);
2882	<	}
2966	>	public void testThenCompose_exceptionalCompletion() {
2967	>	for (ExecutionMode m : ExecutionMode.values())
2968	>	for (boolean createIncomplete : new boolean[] { true, false })
2969	>	{
2970	>	final CFException ex = new CFException();
2971	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2972	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2973	>	if (!createIncomplete) f.completeExceptionally(ex);
2974	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2975	>	if (createIncomplete) f.completeExceptionally(ex);
2976	>
2977	>	checkCompletedWithWrappedException(g, ex);
2978	>	checkCompletedExceptionally(f, ex);
2979	>	r.assertNotInvoked();
2980	>	}}
2981
2982		/**
2983	<	* runAfterEitherAsync result completes exceptionally if either
2886	<	* source cancelled
2983	>	* thenCompose result completes exceptionally if action does
2984		*/
2985	<	public void testRunAfterEitherAsync4E() {
2986	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2987	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2988	<	Noop r = new Noop();
2989	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2990	<	assertTrue(f.cancel(true));
2991	<	checkCompletedWithWrappedCancellationException(g);
2985	>	public void testThenCompose_actionFailed() {
2986	>	for (ExecutionMode m : ExecutionMode.values())
2987	>	for (boolean createIncomplete : new boolean[] { true, false })
2988	>	for (Integer v1 : new Integer[] { 1, null })
2989	>	{
2990	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2991	>	final FailingCompletableFutureFunction r
2992	>	= new FailingCompletableFutureFunction(m);
2993	>	if (!createIncomplete) assertTrue(f.complete(v1));
2994	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2995	>	if (createIncomplete) assertTrue(f.complete(v1));
2996
2997	<	r = new Noop();
2998	<	f = new CompletableFuture<>();
2999	<	f2 = new CompletableFuture<>();
2899	<	assertTrue(f2.cancel(true));
2900	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2901	<	checkCompletedWithWrappedCancellationException(g);
2902	<	}
2997	>	checkCompletedWithWrappedException(g, r.ex);
2998	>	checkCompletedNormally(f, v1);
2999	>	}}
3000
3001		/**
3002	<	* thenComposeAsync result completes normally after normal
2906	<	* completion of source
3002	>	* thenCompose result completes exceptionally if source cancelled
3003		*/
3004	<	public void testThenComposeAsyncE() {
3005	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3006	<	CompletableFutureInc r = new CompletableFutureInc();
3007	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3008	<	f.complete(one);
3009	<	checkCompletedNormally(g, two);
3010	<	}
3004	>	public void testThenCompose_sourceCancelled() {
3005	>	for (ExecutionMode m : ExecutionMode.values())
3006	>	for (boolean createIncomplete : new boolean[] { true, false })
3007	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3008	>	{
3009	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3010	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3011	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3012	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3013	>	if (createIncomplete) {
3014	>	checkIncomplete(g);
3015	>	assertTrue(f.cancel(mayInterruptIfRunning));
3016	>	}
3017
3018	<	/**
3019	<	* thenComposeAsync result completes exceptionally after
3020	<	* exceptional completion of source
2919	<	*/
2920	<	public void testThenComposeAsync2E() {
2921	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2922	<	CompletableFutureInc r = new CompletableFutureInc();
2923	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2924	<	f.completeExceptionally(new CFException());
2925	<	checkCompletedWithWrappedCFException(g);
2926	<	}
3018	>	checkCompletedWithWrappedCancellationException(g);
3019	>	checkCancelled(f);
3020	>	}}
3021
3022		/**
3023	<	* thenComposeAsync result completes exceptionally if action does
3023	>	* thenCompose result completes exceptionally if the result of the action does
3024		*/
3025	<	public void testThenComposeAsync3E() {
3026	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3027	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3028	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3029	<	f.complete(one);
3030	<	checkCompletedWithWrappedCFException(g);
3031	<	}
3025	>	public void testThenCompose_actionReturnsFailingFuture() {
3026	>	for (ExecutionMode m : ExecutionMode.values())
3027	>	for (int order = 0; order < 6; order++)
3028	>	for (Integer v1 : new Integer[] { 1, null })
3029	>	{
3030	>	final CFException ex = new CFException();
3031	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3032	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3033	>	final CompletableFuture<Integer> h;
3034	>	// Test all permutations of orders
3035	>	switch (order) {
3036	>	case 0:
3037	>	assertTrue(f.complete(v1));
3038	>	assertTrue(g.completeExceptionally(ex));
3039	>	h = m.thenCompose(f, (x -> g));
3040	>	break;
3041	>	case 1:
3042	>	assertTrue(f.complete(v1));
3043	>	h = m.thenCompose(f, (x -> g));
3044	>	assertTrue(g.completeExceptionally(ex));
3045	>	break;
3046	>	case 2:
3047	>	assertTrue(g.completeExceptionally(ex));
3048	>	assertTrue(f.complete(v1));
3049	>	h = m.thenCompose(f, (x -> g));
3050	>	break;
3051	>	case 3:
3052	>	assertTrue(g.completeExceptionally(ex));
3053	>	h = m.thenCompose(f, (x -> g));
3054	>	assertTrue(f.complete(v1));
3055	>	break;
3056	>	case 4:
3057	>	h = m.thenCompose(f, (x -> g));
3058	>	assertTrue(f.complete(v1));
3059	>	assertTrue(g.completeExceptionally(ex));
3060	>	break;
3061	>	case 5:
3062	>	h = m.thenCompose(f, (x -> g));
3063	>	assertTrue(f.complete(v1));
3064	>	assertTrue(g.completeExceptionally(ex));
3065	>	break;
3066	>	default: throw new AssertionError();
3067	>	}
3068
3069	<	/**
3070	<	* thenComposeAsync result completes exceptionally if source cancelled
3071	<	*/
3072	<	public void testThenComposeAsync4E() {
2943	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2944	<	CompletableFutureInc r = new CompletableFutureInc();
2945	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2946	<	assertTrue(f.cancel(true));
2947	<	checkCompletedWithWrappedCancellationException(g);
2948	<	}
3069	>	checkCompletedExceptionally(g, ex);
3070	>	checkCompletedWithWrappedException(h, ex);
3071	>	checkCompletedNormally(f, v1);
3072	>	}}
3073
3074		// other static methods
3075
#	Line 2963 | Line 3087 | public class CompletableFutureTest exten
3087		* when all components complete normally
3088		*/
3089		public void testAllOf_normal() throws Exception {
3090	<	for (int k = 1; k < 20; ++k) {
3091	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3092	<	for (int i = 0; i < k; ++i)
3090	>	for (int k = 1; k < 10; k++) {
3091	>	CompletableFuture<Integer>[] fs
3092	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3093	>	for (int i = 0; i < k; i++)
3094		fs[i] = new CompletableFuture<>();
3095		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3096	<	for (int i = 0; i < k; ++i) {
3096	>	for (int i = 0; i < k; i++) {
3097		checkIncomplete(f);
3098		checkIncomplete(CompletableFuture.allOf(fs));
3099		fs[i].complete(one);
#	Line 2978 | Line 3103 | public class CompletableFutureTest exten
3103		}
3104		}
3105
3106	+	public void testAllOf_normal_backwards() throws Exception {
3107	+	for (int k = 1; k < 10; k++) {
3108	+	CompletableFuture<Integer>[] fs
3109	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3110	+	for (int i = 0; i < k; i++)
3111	+	fs[i] = new CompletableFuture<>();
3112	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3113	+	for (int i = k - 1; i >= 0; i--) {
3114	+	checkIncomplete(f);
3115	+	checkIncomplete(CompletableFuture.allOf(fs));
3116	+	fs[i].complete(one);
3117	+	}
3118	+	checkCompletedNormally(f, null);
3119	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3120	+	}
3121	+	}
3122	+
3123	+	public void testAllOf_exceptional() throws Exception {
3124	+	for (int k = 1; k < 10; k++) {
3125	+	CompletableFuture<Integer>[] fs
3126	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3127	+	CFException ex = new CFException();
3128	+	for (int i = 0; i < k; i++)
3129	+	fs[i] = new CompletableFuture<>();
3130	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3131	+	for (int i = 0; i < k; i++) {
3132	+	checkIncomplete(f);
3133	+	checkIncomplete(CompletableFuture.allOf(fs));
3134	+	if (i != k / 2) {
3135	+	fs[i].complete(i);
3136	+	checkCompletedNormally(fs[i], i);
3137	+	} else {
3138	+	fs[i].completeExceptionally(ex);
3139	+	checkCompletedExceptionally(fs[i], ex);
3140	+	}
3141	+	}
3142	+	checkCompletedWithWrappedException(f, ex);
3143	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3144	+	}
3145	+	}
3146	+
3147		/**
3148		* anyOf(no component futures) returns an incomplete future
3149		*/
3150		public void testAnyOf_empty() throws Exception {
3151	+	for (Integer v1 : new Integer[] { 1, null })
3152	+	{
3153		CompletableFuture<Object> f = CompletableFuture.anyOf();
3154		checkIncomplete(f);
3155	<	}
3155	>
3156	>	f.complete(v1);
3157	>	checkCompletedNormally(f, v1);
3158	>	}}
3159
3160		/**
3161		* anyOf returns a future completed normally with a value when
3162		* a component future does
3163		*/
3164		public void testAnyOf_normal() throws Exception {
3165	<	for (int k = 0; k < 10; ++k) {
3165	>	for (int k = 0; k < 10; k++) {
3166		CompletableFuture[] fs = new CompletableFuture[k];
3167	<	for (int i = 0; i < k; ++i)
3167	>	for (int i = 0; i < k; i++)
3168		fs[i] = new CompletableFuture<>();
3169		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3170		checkIncomplete(f);
3171	<	for (int i = 0; i < k; ++i) {
3172	<	fs[i].complete(one);
3173	<	checkCompletedNormally(f, one);
3174	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3171	>	for (int i = 0; i < k; i++) {
3172	>	fs[i].complete(i);
3173	>	checkCompletedNormally(f, 0);
3174	>	int x = (int) CompletableFuture.anyOf(fs).join();
3175	>	assertTrue(0 <= x && x <= i);
3176	>	}
3177	>	}
3178	>	}
3179	>	public void testAnyOf_normal_backwards() throws Exception {
3180	>	for (int k = 0; k < 10; k++) {
3181	>	CompletableFuture[] fs = new CompletableFuture[k];
3182	>	for (int i = 0; i < k; i++)
3183	>	fs[i] = new CompletableFuture<>();
3184	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3185	>	checkIncomplete(f);
3186	>	for (int i = k - 1; i >= 0; i--) {
3187	>	fs[i].complete(i);
3188	>	checkCompletedNormally(f, k - 1);
3189	>	int x = (int) CompletableFuture.anyOf(fs).join();
3190	>	assertTrue(i <= x && x <= k - 1);
3191		}
3192		}
3193		}
#	Line 3009 | Line 3196 | public class CompletableFutureTest exten
3196		* anyOf result completes exceptionally when any component does.
3197		*/
3198		public void testAnyOf_exceptional() throws Exception {
3199	<	for (int k = 0; k < 10; ++k) {
3199	>	for (int k = 0; k < 10; k++) {
3200		CompletableFuture[] fs = new CompletableFuture[k];
3201	<	for (int i = 0; i < k; ++i)
3201	>	CFException[] exs = new CFException[k];
3202	>	for (int i = 0; i < k; i++) {
3203		fs[i] = new CompletableFuture<>();
3204	+	exs[i] = new CFException();
3205	+	}
3206		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3207		checkIncomplete(f);
3208	<	for (int i = 0; i < k; ++i) {
3209	<	fs[i].completeExceptionally(new CFException());
3210	<	checkCompletedWithWrappedCFException(f);
3208	>	for (int i = 0; i < k; i++) {
3209	>	fs[i].completeExceptionally(exs[i]);
3210	>	checkCompletedWithWrappedException(f, exs[0]);
3211	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3212	>	}
3213	>	}
3214	>	}
3215	>
3216	>	public void testAnyOf_exceptional_backwards() throws Exception {
3217	>	for (int k = 0; k < 10; k++) {
3218	>	CompletableFuture[] fs = new CompletableFuture[k];
3219	>	CFException[] exs = new CFException[k];
3220	>	for (int i = 0; i < k; i++) {
3221	>	fs[i] = new CompletableFuture<>();
3222	>	exs[i] = new CFException();
3223	>	}
3224	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3225	>	checkIncomplete(f);
3226	>	for (int i = k - 1; i >= 0; i--) {
3227	>	fs[i].completeExceptionally(exs[i]);
3228	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3229		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3230		}
3231		}
#	Line 3030 | Line 3238 | public class CompletableFutureTest exten
3238		CompletableFuture<Integer> f = new CompletableFuture<>();
3239		CompletableFuture<Integer> g = new CompletableFuture<>();
3240		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3033	–	CompletableFuture<?> h;
3241		ThreadExecutor exec = new ThreadExecutor();
3242
3243		Runnable[] throwingActions = {
3244		() -> CompletableFuture.supplyAsync(null),
3245		() -> CompletableFuture.supplyAsync(null, exec),
3246	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3246	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3247
3248		() -> CompletableFuture.runAsync(null),
3249		() -> CompletableFuture.runAsync(null, exec),
#	Line 3046 | Line 3253 | public class CompletableFutureTest exten
3253
3254		() -> f.thenApply(null),
3255		() -> f.thenApplyAsync(null),
3256	<	() -> f.thenApplyAsync((x) -> x, null),
3256	>	() -> f.thenApplyAsync(x -> x, null),
3257		() -> f.thenApplyAsync(null, exec),
3258
3259		() -> f.thenAccept(null),
3260		() -> f.thenAcceptAsync(null),
3261	<	() -> f.thenAcceptAsync((x) -> {} , null),
3261	>	() -> f.thenAcceptAsync(x -> {} , null),
3262		() -> f.thenAcceptAsync(null, exec),
3263
3264		() -> f.thenRun(null),
#	Line 3086 | Line 3293 | public class CompletableFutureTest exten
3293		() -> f.applyToEither(g, null),
3294		() -> f.applyToEitherAsync(g, null),
3295		() -> f.applyToEitherAsync(g, null, exec),
3296	<	() -> f.applyToEither(nullFuture, (x) -> x),
3297	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3298	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3299	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3296	>	() -> f.applyToEither(nullFuture, x -> x),
3297	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3298	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3299	>	() -> f.applyToEitherAsync(g, x -> x, null),
3300
3301		() -> f.acceptEither(g, null),
3302		() -> f.acceptEitherAsync(g, null),
3303		() -> f.acceptEitherAsync(g, null, exec),
3304	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3305	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3306	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3307	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3304	>	() -> f.acceptEither(nullFuture, x -> {}),
3305	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3306	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3307	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3308
3309		() -> f.runAfterEither(g, null),
3310		() -> f.runAfterEitherAsync(g, null),
#	Line 3109 | Line 3316 | public class CompletableFutureTest exten
3316
3317		() -> f.thenCompose(null),
3318		() -> f.thenComposeAsync(null),
3319	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3319	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3320		() -> f.thenComposeAsync(null, exec),
3321
3322		() -> f.exceptionally(null),
#	Line 3127 | Line 3334 | public class CompletableFutureTest exten
3334		() -> CompletableFuture.anyOf(null, f),
3335
3336		() -> f.obtrudeException(null),
3337	+
3338	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3339	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3340	+	() -> CompletableFuture.delayedExecutor(1L, null),
3341	+
3342	+	() -> f.orTimeout(1L, null),
3343	+	() -> f.completeOnTimeout(42, 1L, null),
3344	+
3345	+	() -> CompletableFuture.failedFuture(null),
3346	+	() -> CompletableFuture.failedStage(null),
3347		};
3348
3349		assertThrows(NullPointerException.class, throwingActions);
#	Line 3134 | Line 3351 | public class CompletableFutureTest exten
3351		}
3352
3353		/**
3354	+	* Test submissions to an executor that rejects all tasks.
3355	+	*/
3356	+	public void testRejectingExecutor() {
3357	+	for (Integer v : new Integer[] { 1, null })
3358	+	{
3359	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3360	+
3361	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3362	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3363	+
3364	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3365	+
3366	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3367	+	srcs.add(complete);
3368	+	srcs.add(incomplete);
3369	+
3370	+	for (CompletableFuture<Integer> src : srcs) {
3371	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3372	+	fs.add(src.thenRunAsync(() -> {}, e));
3373	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3374	+	fs.add(src.thenApplyAsync(z -> z, e));
3375	+
3376	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3377	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3378	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3379	+
3380	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3381	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3382	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3383	+
3384	+	fs.add(src.thenComposeAsync(z -> null, e));
3385	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3386	+	fs.add(src.handleAsync((z, t) -> null, e));
3387	+
3388	+	for (CompletableFuture<?> future : fs) {
3389	+	if (src.isDone())
3390	+	checkCompletedWithWrappedException(future, e.ex);
3391	+	else
3392	+	checkIncomplete(future);
3393	+	}
3394	+	futures.addAll(fs);
3395	+	}
3396	+
3397	+	{
3398	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3399	+
3400	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3401	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3402	+
3403	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3404	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3405	+
3406	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3407	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3408	+
3409	+	for (CompletableFuture<?> future : fs)
3410	+	checkIncomplete(future);
3411	+	futures.addAll(fs);
3412	+	}
3413	+
3414	+	{
3415	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3416	+
3417	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3418	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3419	+
3420	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3421	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3422	+
3423	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3424	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3425	+
3426	+	for (CompletableFuture<?> future : fs)
3427	+	checkCompletedWithWrappedException(future, e.ex);
3428	+	futures.addAll(fs);
3429	+	}
3430	+
3431	+	incomplete.complete(v);
3432	+
3433	+	for (CompletableFuture<?> future : futures)
3434	+	checkCompletedWithWrappedException(future, e.ex);
3435	+
3436	+	assertEquals(futures.size(), e.count.get());
3437	+	}}
3438	+
3439	+	/**
3440	+	* Test submissions to an executor that rejects all tasks, but
3441	+	* should never be invoked because the dependent future is
3442	+	* explicitly completed.
3443	+	*/
3444	+	public void testRejectingExecutorNeverInvoked() {
3445	+	for (Integer v : new Integer[] { 1, null })
3446	+	{
3447	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3448	+
3449	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3450	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3451	+
3452	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3453	+
3454	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3455	+	srcs.add(complete);
3456	+	srcs.add(incomplete);
3457	+
3458	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3459	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3460	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3461	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3462	+
3463	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3464	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3465	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3466	+
3467	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3468	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3469	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3470	+
3471	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3472	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3473	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3474	+
3475	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3476	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3477	+
3478	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3479	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3480	+
3481	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3482	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3483	+
3484	+	for (CompletableFuture<?> future : fs)
3485	+	checkIncomplete(future);
3486	+
3487	+	for (CompletableFuture<?> future : fs)
3488	+	future.complete(null);
3489	+
3490	+	incomplete.complete(v);
3491	+
3492	+	for (CompletableFuture<?> future : fs)
3493	+	checkCompletedNormally(future, null);
3494	+
3495	+	assertEquals(0, e.count.get());
3496	+	}}
3497	+
3498	+	/**
3499		* toCompletableFuture returns this CompletableFuture.
3500		*/
3501		public void testToCompletableFuture() {
#	Line 3141 | Line 3503 | public class CompletableFutureTest exten
3503		assertSame(f, f.toCompletableFuture());
3504		}
3505
3506	+	// jdk9
3507	+
3508		/**
3509	<	* whenComplete action executes on normal completion, propagating
3146	<	* source result.
3509	>	* newIncompleteFuture returns an incomplete CompletableFuture
3510		*/
3511	<	public void testWhenComplete1() {
3512	<	final AtomicInteger a = new AtomicInteger();
3511	>	public void testNewIncompleteFuture() {
3512	>	for (Integer v1 : new Integer[] { 1, null })
3513	>	{
3514		CompletableFuture<Integer> f = new CompletableFuture<>();
3515	<	CompletableFuture<Integer> g =
3516	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3517	<	f.complete(three);
3518	<	checkCompletedNormally(f, three);
3519	<	checkCompletedNormally(g, three);
3520	<	assertEquals(a.get(), 1);
3515	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3516	>	checkIncomplete(f);
3517	>	checkIncomplete(g);
3518	>	f.complete(v1);
3519	>	checkCompletedNormally(f, v1);
3520	>	checkIncomplete(g);
3521	>	g.complete(v1);
3522	>	checkCompletedNormally(g, v1);
3523	>	assertSame(g.getClass(), CompletableFuture.class);
3524	>	}}
3525	>
3526	>	/**
3527	>	* completedStage returns a completed CompletionStage
3528	>	*/
3529	>	public void testCompletedStage() {
3530	>	AtomicInteger x = new AtomicInteger(0);
3531	>	AtomicReference<Throwable> r = new AtomicReference<>();
3532	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3533	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3534	>	assertEquals(x.get(), 1);
3535	>	assertNull(r.get());
3536		}
3537
3538		/**
3539	<	* whenComplete action executes on exceptional completion, propagating
3540	<	* source result.
3539	>	* defaultExecutor by default returns the commonPool if
3540	>	* it supports more than one thread.
3541		*/
3542	<	public void testWhenComplete2() {
3164	<	final AtomicInteger a = new AtomicInteger();
3542	>	public void testDefaultExecutor() {
3543		CompletableFuture<Integer> f = new CompletableFuture<>();
3544	<	CompletableFuture<Integer> g =
3545	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3546	<	f.completeExceptionally(new CFException());
3547	<	assertTrue(f.isCompletedExceptionally());
3548	<	assertTrue(g.isCompletedExceptionally());
3549	<	assertEquals(a.get(), 1);
3544	>	Executor e = f.defaultExecutor();
3545	>	Executor c = ForkJoinPool.commonPool();
3546	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3547	>	assertSame(e, c);
3548	>	else
3549	>	assertNotSame(e, c);
3550		}
3551
3552		/**
3553	<	* If a whenComplete action throws an exception when triggered by
3554	<	* a normal completion, it completes exceptionally
3553	>	* failedFuture returns a CompletableFuture completed
3554	>	* exceptionally with the given Exception
3555	>	*/
3556	>	public void testFailedFuture() {
3557	>	CFException ex = new CFException();
3558	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3559	>	checkCompletedExceptionally(f, ex);
3560	>	}
3561	>
3562	>	/**
3563	>	* failedFuture(null) throws NPE
3564		*/
3565	<	public void testWhenComplete3() {
3565	>	public void testFailedFuture_null() {
3566	>	try {
3567	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3568	>	shouldThrow();
3569	>	} catch (NullPointerException success) {}
3570	>	}
3571	>
3572	>	/**
3573	>	* copy returns a CompletableFuture that is completed normally,
3574	>	* with the same value, when source is.
3575	>	*/
3576	>	public void testCopy_normalCompletion() {
3577	>	for (boolean createIncomplete : new boolean[] { true, false })
3578	>	for (Integer v1 : new Integer[] { 1, null })
3579	>	{
3580		CompletableFuture<Integer> f = new CompletableFuture<>();
3581	<	CompletableFuture<Integer> g =
3582	<	f.whenComplete((Integer x, Throwable t) ->
3583	<	{ throw new CFException(); } );
3584	<	f.complete(three);
3585	<	checkCompletedNormally(f, three);
3586	<	assertTrue(g.isCompletedExceptionally());
3587	<	checkCompletedWithWrappedCFException(g);
3581	>	if (!createIncomplete) assertTrue(f.complete(v1));
3582	>	CompletableFuture<Integer> g = f.copy();
3583	>	if (createIncomplete) {
3584	>	checkIncomplete(f);
3585	>	checkIncomplete(g);
3586	>	assertTrue(f.complete(v1));
3587	>	}
3588	>	checkCompletedNormally(f, v1);
3589	>	checkCompletedNormally(g, v1);
3590	>	}}
3591	>
3592	>	/**
3593	>	* copy returns a CompletableFuture that is completed exceptionally
3594	>	* when source is.
3595	>	*/
3596	>	public void testCopy_exceptionalCompletion() {
3597	>	for (boolean createIncomplete : new boolean[] { true, false })
3598	>	{
3599	>	CFException ex = new CFException();
3600	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3601	>	if (!createIncomplete) f.completeExceptionally(ex);
3602	>	CompletableFuture<Integer> g = f.copy();
3603	>	if (createIncomplete) {
3604	>	checkIncomplete(f);
3605	>	checkIncomplete(g);
3606	>	f.completeExceptionally(ex);
3607	>	}
3608	>	checkCompletedExceptionally(f, ex);
3609	>	checkCompletedWithWrappedException(g, ex);
3610	>	}}
3611	>
3612	>	/**
3613	>	* Completion of a copy does not complete its source.
3614	>	*/
3615	>	public void testCopy_oneWayPropagation() {
3616	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3617	>	assertTrue(f.copy().complete(1));
3618	>	assertTrue(f.copy().complete(null));
3619	>	assertTrue(f.copy().cancel(true));
3620	>	assertTrue(f.copy().cancel(false));
3621	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3622	>	checkIncomplete(f);
3623		}
3624
3625		/**
3626	<	* whenCompleteAsync action executes on normal completion, propagating
3627	<	* source result.
3626	>	* minimalCompletionStage returns a CompletableFuture that is
3627	>	* completed normally, with the same value, when source is.
3628		*/
3629	<	public void testWhenCompleteAsync1() {
3194	<	final AtomicInteger a = new AtomicInteger();
3629	>	public void testMinimalCompletionStage() {
3630		CompletableFuture<Integer> f = new CompletableFuture<>();
3631	<	CompletableFuture<Integer> g =
3632	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3633	<	f.complete(three);
3634	<	checkCompletedNormally(f, three);
3635	<	checkCompletedNormally(g, three);
3636	<	assertEquals(a.get(), 1);
3631	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3632	>	AtomicInteger x = new AtomicInteger(0);
3633	>	AtomicReference<Throwable> r = new AtomicReference<>();
3634	>	checkIncomplete(f);
3635	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3636	>	f.complete(1);
3637	>	checkCompletedNormally(f, 1);
3638	>	assertEquals(x.get(), 1);
3639	>	assertNull(r.get());
3640		}
3641
3642		/**
3643	<	* whenCompleteAsync action executes on exceptional completion, propagating
3644	<	* source result.
3643	>	* minimalCompletionStage returns a CompletableFuture that is
3644	>	* completed exceptionally when source is.
3645		*/
3646	<	public void testWhenCompleteAsync2() {
3209	<	final AtomicInteger a = new AtomicInteger();
3646	>	public void testMinimalCompletionStage2() {
3647		CompletableFuture<Integer> f = new CompletableFuture<>();
3648	<	CompletableFuture<Integer> g =
3649	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3650	<	f.completeExceptionally(new CFException());
3651	<	checkCompletedWithWrappedCFException(f);
3652	<	checkCompletedWithWrappedCFException(g);
3648	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3649	>	AtomicInteger x = new AtomicInteger(0);
3650	>	AtomicReference<Throwable> r = new AtomicReference<>();
3651	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3652	>	checkIncomplete(f);
3653	>	CFException ex = new CFException();
3654	>	f.completeExceptionally(ex);
3655	>	checkCompletedExceptionally(f, ex);
3656	>	assertEquals(x.get(), 0);
3657	>	assertEquals(r.get().getCause(), ex);
3658	>	}
3659	>
3660	>	/**
3661	>	* failedStage returns a CompletionStage completed
3662	>	* exceptionally with the given Exception
3663	>	*/
3664	>	public void testFailedStage() {
3665	>	CFException ex = new CFException();
3666	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3667	>	AtomicInteger x = new AtomicInteger(0);
3668	>	AtomicReference<Throwable> r = new AtomicReference<>();
3669	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3670	>	assertEquals(x.get(), 0);
3671	>	assertEquals(r.get(), ex);
3672		}
3673
3674		/**
3675	<	* If a whenCompleteAsync action throws an exception when
3220	<	* triggered by a normal completion, it completes exceptionally
3675	>	* completeAsync completes with value of given supplier
3676		*/
3677	<	public void testWhenCompleteAsync3() {
3677	>	public void testCompleteAsync() {
3678	>	for (Integer v1 : new Integer[] { 1, null })
3679	>	{
3680		CompletableFuture<Integer> f = new CompletableFuture<>();
3681	<	CompletableFuture<Integer> g =
3682	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3683	<	{ throw new CFException(); } );
3684	<	f.complete(three);
3685	<	checkCompletedNormally(f, three);
3686	<	checkCompletedWithWrappedCFException(g);
3681	>	f.completeAsync(() -> v1);
3682	>	f.join();
3683	>	checkCompletedNormally(f, v1);
3684	>	}}
3685	>
3686	>	/**
3687	>	* completeAsync completes exceptionally if given supplier throws
3688	>	*/
3689	>	public void testCompleteAsync2() {
3690	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3691	>	CFException ex = new CFException();
3692	>	f.completeAsync(() -> { throw ex; });
3693	>	try {
3694	>	f.join();
3695	>	shouldThrow();
3696	>	} catch (CompletionException success) {}
3697	>	checkCompletedWithWrappedException(f, ex);
3698		}
3699
3700		/**
3701	<	* whenCompleteAsync action executes on normal completion, propagating
3234	<	* source result.
3701	>	* completeAsync with given executor completes with value of given supplier
3702		*/
3703	<	public void testWhenCompleteAsync1e() {
3704	<	final AtomicInteger a = new AtomicInteger();
3705	<	ThreadExecutor exec = new ThreadExecutor();
3703	>	public void testCompleteAsync3() {
3704	>	for (Integer v1 : new Integer[] { 1, null })
3705	>	{
3706		CompletableFuture<Integer> f = new CompletableFuture<>();
3707	<	CompletableFuture<Integer> g =
3708	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3709	<	exec);
3710	<	f.complete(three);
3711	<	checkCompletedNormally(f, three);
3712	<	checkCompletedNormally(g, three);
3713	<	assertEquals(a.get(), 1);
3707	>	ThreadExecutor executor = new ThreadExecutor();
3708	>	f.completeAsync(() -> v1, executor);
3709	>	assertSame(v1, f.join());
3710	>	checkCompletedNormally(f, v1);
3711	>	assertEquals(1, executor.count.get());
3712	>	}}
3713	>
3714	>	/**
3715	>	* completeAsync with given executor completes exceptionally if
3716	>	* given supplier throws
3717	>	*/
3718	>	public void testCompleteAsync4() {
3719	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3720	>	CFException ex = new CFException();
3721	>	ThreadExecutor executor = new ThreadExecutor();
3722	>	f.completeAsync(() -> { throw ex; }, executor);
3723	>	try {
3724	>	f.join();
3725	>	shouldThrow();
3726	>	} catch (CompletionException success) {}
3727	>	checkCompletedWithWrappedException(f, ex);
3728	>	assertEquals(1, executor.count.get());
3729		}
3730
3731		/**
3732	<	* whenCompleteAsync action executes on exceptional completion, propagating
3251	<	* source result.
3732	>	* orTimeout completes with TimeoutException if not complete
3733		*/
3734	<	public void testWhenCompleteAsync2e() {
3735	<	final AtomicInteger a = new AtomicInteger();
3255	<	ThreadExecutor exec = new ThreadExecutor();
3734	>	public void testOrTimeout_timesOut() {
3735	>	long timeoutMillis = timeoutMillis();
3736		CompletableFuture<Integer> f = new CompletableFuture<>();
3737	<	CompletableFuture<Integer> g =
3738	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3739	<	exec);
3740	<	f.completeExceptionally(new CFException());
3261	<	checkCompletedWithWrappedCFException(f);
3262	<	checkCompletedWithWrappedCFException(g);
3737	>	long startTime = System.nanoTime();
3738	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3739	>	checkCompletedWithTimeoutException(f);
3740	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3741		}
3742
3743		/**
3744	<	* If a whenCompleteAsync action throws an exception when triggered
3267	<	* by a normal completion, it completes exceptionally
3744	>	* orTimeout completes normally if completed before timeout
3745		*/
3746	<	public void testWhenCompleteAsync3e() {
3747	<	ThreadExecutor exec = new ThreadExecutor();
3746	>	public void testOrTimeout_completed() {
3747	>	for (Integer v1 : new Integer[] { 1, null })
3748	>	{
3749	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3750	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3751	>	long startTime = System.nanoTime();
3752	>	f.complete(v1);
3753	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3754	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3755	>	g.complete(v1);
3756	>	checkCompletedNormally(f, v1);
3757	>	checkCompletedNormally(g, v1);
3758	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3759	>	}}
3760	>
3761	>	/**
3762	>	* completeOnTimeout completes with given value if not complete
3763	>	*/
3764	>	public void testCompleteOnTimeout_timesOut() {
3765	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3766	>	() -> testCompleteOnTimeout_timesOut(null));
3767	>	}
3768	>
3769	>	/**
3770	>	* completeOnTimeout completes with given value if not complete
3771	>	*/
3772	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3773	>	long timeoutMillis = timeoutMillis();
3774		CompletableFuture<Integer> f = new CompletableFuture<>();
3775	+	long startTime = System.nanoTime();
3776	+	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3777	+	assertSame(v, f.join());
3778	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3779	+	f.complete(99);         // should have no effect
3780	+	checkCompletedNormally(f, v);
3781	+	}
3782	+
3783	+	/**
3784	+	* completeOnTimeout has no effect if completed within timeout
3785	+	*/
3786	+	public void testCompleteOnTimeout_completed() {
3787	+	for (Integer v1 : new Integer[] { 1, null })
3788	+	{
3789	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3790	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3791	+	long startTime = System.nanoTime();
3792	+	f.complete(v1);
3793	+	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3794	+	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3795	+	g.complete(v1);
3796	+	checkCompletedNormally(f, v1);
3797	+	checkCompletedNormally(g, v1);
3798	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3799	+	}}
3800	+
3801	+	/**
3802	+	* delayedExecutor returns an executor that delays submission
3803	+	*/
3804	+	public void testDelayedExecutor() {
3805	+	testInParallel(() -> testDelayedExecutor(null, null),
3806	+	() -> testDelayedExecutor(null, 1),
3807	+	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3808	+	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3809	+	}
3810	+
3811	+	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3812	+	long timeoutMillis = timeoutMillis();
3813	+	// Use an "unreasonably long" long timeout to catch lingering threads
3814	+	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3815	+	final Executor delayer, longDelayer;
3816	+	if (executor == null) {
3817	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3818	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3819	+	} else {
3820	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3821	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3822	+	}
3823	+	long startTime = System.nanoTime();
3824	+	CompletableFuture<Integer> f =
3825	+	CompletableFuture.supplyAsync(() -> v, delayer);
3826		CompletableFuture<Integer> g =
3827	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3828	<	{ throw new CFException(); },
3829	<	exec);
3830	<	f.complete(three);
3831	<	checkCompletedNormally(f, three);
3832	<	checkCompletedWithWrappedCFException(g);
3827	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3828	>
3829	>	assertNull(g.getNow(null));
3830	>
3831	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3832	>	long millisElapsed = millisElapsedSince(startTime);
3833	>	assertTrue(millisElapsed >= timeoutMillis);
3834	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3835	>
3836	>	checkCompletedNormally(f, v);
3837	>
3838	>	checkIncomplete(g);
3839	>	assertTrue(g.cancel(true));
3840	>	}
3841	>
3842	>	//--- tests of implementation details; not part of official tck ---
3843	>
3844	>	Object resultOf(CompletableFuture<?> f) {
3845	>	SecurityManager sm = System.getSecurityManager();
3846	>	if (sm != null) {
3847	>	try {
3848	>	System.setSecurityManager(null);
3849	>	} catch (SecurityException giveUp) {
3850	>	return "Reflection not available";
3851	>	}
3852	>	}
3853	>
3854	>	try {
3855	>	java.lang.reflect.Field resultField
3856	>	= CompletableFuture.class.getDeclaredField("result");
3857	>	resultField.setAccessible(true);
3858	>	return resultField.get(f);
3859	>	} catch (Throwable t) {
3860	>	throw new AssertionError(t);
3861	>	} finally {
3862	>	if (sm != null) System.setSecurityManager(sm);
3863	>	}
3864		}
3865
3866	+	public void testExceptionPropagationReusesResultObject() {
3867	+	if (!testImplementationDetails) return;
3868	+	for (ExecutionMode m : ExecutionMode.values())
3869	+	{
3870	+	final CFException ex = new CFException();
3871	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3872	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3873	+
3874	+	final Runnable noopRunnable = new Noop(m);
3875	+	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3876	+	final Function<Integer, Integer> incFunction = new IncFunction(m);
3877	+
3878	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3879	+	= new ArrayList<>();
3880	+
3881	+	funs.add(y -> m.thenRun(y, noopRunnable));
3882	+	funs.add(y -> m.thenAccept(y, noopConsumer));
3883	+	funs.add(y -> m.thenApply(y, incFunction));
3884	+
3885	+	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3886	+	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3887	+	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3888	+
3889	+	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3890	+	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3891	+	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3892	+	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3893	+	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3894	+	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3895	+
3896	+	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3897	+
3898	+	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3899	+
3900	+	funs.add(y -> CompletableFuture.allOf(y));
3901	+	funs.add(y -> CompletableFuture.allOf(y, v42));
3902	+	funs.add(y -> CompletableFuture.allOf(v42, y));
3903	+	funs.add(y -> CompletableFuture.anyOf(y));
3904	+	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3905	+	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3906	+
3907	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3908	+	fun : funs) {
3909	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3910	+	f.completeExceptionally(ex);
3911	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3912	+	checkCompletedWithWrappedException(src, ex);
3913	+	CompletableFuture<?> dep = fun.apply(src);
3914	+	checkCompletedWithWrappedException(dep, ex);
3915	+	assertSame(resultOf(src), resultOf(dep));
3916	+	}
3917	+
3918	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3919	+	fun : funs) {
3920	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3921	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3922	+	CompletableFuture<?> dep = fun.apply(src);
3923	+	f.completeExceptionally(ex);
3924	+	checkCompletedWithWrappedException(src, ex);
3925	+	checkCompletedWithWrappedException(dep, ex);
3926	+	assertSame(resultOf(src), resultOf(dep));
3927	+	}
3928	+
3929	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3930	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3931	+	fun : funs) {
3932	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3933	+	f.cancel(mayInterruptIfRunning);
3934	+	checkCancelled(f);
3935	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3936	+	checkCompletedWithWrappedCancellationException(src);
3937	+	CompletableFuture<?> dep = fun.apply(src);
3938	+	checkCompletedWithWrappedCancellationException(dep);
3939	+	assertSame(resultOf(src), resultOf(dep));
3940	+	}
3941	+
3942	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3943	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3944	+	fun : funs) {
3945	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3946	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3947	+	CompletableFuture<?> dep = fun.apply(src);
3948	+	f.cancel(mayInterruptIfRunning);
3949	+	checkCancelled(f);
3950	+	checkCompletedWithWrappedCancellationException(src);
3951	+	checkCompletedWithWrappedCancellationException(dep);
3952	+	assertSame(resultOf(src), resultOf(dep));
3953	+	}
3954	+	}}
3955	+
3956		/**
3957	<	* handleAsync action completes normally with function value on
3283	<	* either normal or exceptional completion of source
3957	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3958		*/
3959	<	public void testHandleAsync() {
3960	<	CompletableFuture<Integer> f, g;
3961	<	IntegerHandler r;
3959	>	public void testMinimalCompletionStage_minimality() {
3960	>	if (!testImplementationDetails) return;
3961	>	Function<Method, String> toSignature =
3962	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3963	>	Predicate<Method> isNotStatic =
3964	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3965	>	List<Method> minimalMethods =
3966	>	Stream.of(Object.class, CompletionStage.class)
3967	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3968	>	.filter(isNotStatic)
3969	>	.collect(Collectors.toList());
3970	>	// Methods from CompletableFuture permitted NOT to throw UOE
3971	>	String[] signatureWhitelist = {
3972	>	"newIncompleteFuture[]",
3973	>	"defaultExecutor[]",
3974	>	"minimalCompletionStage[]",
3975	>	"copy[]",
3976	>	};
3977	>	Set<String> permittedMethodSignatures =
3978	>	Stream.concat(minimalMethods.stream().map(toSignature),
3979	>	Stream.of(signatureWhitelist))
3980	>	.collect(Collectors.toSet());
3981	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3982	>	.filter(isNotStatic)
3983	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3984	>	.collect(Collectors.toList());
3985	>
3986	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
3987	>	CompletionStage<Integer> min =
3988	>	new CompletableFuture<Integer>().minimalCompletionStage();
3989	>	stages.add(min);
3990	>	stages.add(min.thenApply(x -> x));
3991	>	stages.add(CompletableFuture.completedStage(1));
3992	>	stages.add(CompletableFuture.failedStage(new CFException()));
3993	>
3994	>	List<Method> bugs = new ArrayList<>();
3995	>	for (Method method : allMethods) {
3996	>	Class<?>[] parameterTypes = method.getParameterTypes();
3997	>	Object[] args = new Object[parameterTypes.length];
3998	>	// Manufacture boxed primitives for primitive params
3999	>	for (int i = 0; i < args.length; i++) {
4000	>	Class<?> type = parameterTypes[i];
4001	>	if (parameterTypes[i] == boolean.class)
4002	>	args[i] = false;
4003	>	else if (parameterTypes[i] == int.class)
4004	>	args[i] = 0;
4005	>	else if (parameterTypes[i] == long.class)
4006	>	args[i] = 0L;
4007	>	}
4008	>	for (CompletionStage<Integer> stage : stages) {
4009	>	try {
4010	>	method.invoke(stage, args);
4011	>	bugs.add(method);
4012	>	}
4013	>	catch (java.lang.reflect.InvocationTargetException expected) {
4014	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4015	>	bugs.add(method);
4016	>	// expected.getCause().printStackTrace();
4017	>	}
4018	>	}
4019	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4020	>	}
4021	>	}
4022	>	if (!bugs.isEmpty())
4023	>	throw new Error("Methods did not throw UOE: " + bugs);
4024	>	}
4025
4026	<	f = new CompletableFuture<>();
4027	<	g = f.handleAsync(r = new IntegerHandler());
4028	<	assertFalse(r.ran);
4029	<	f.completeExceptionally(new CFException());
4030	<	checkCompletedWithWrappedCFException(f);
4031	<	checkCompletedNormally(g, three);
4032	<	assertTrue(r.ran);
4026	>	/**
4027	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4028	>	* is completed normally, with the same value, when source is.
4029	>	*/
4030	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4031	>	for (boolean createIncomplete : new boolean[] { true, false })
4032	>	for (Integer v1 : new Integer[] { 1, null })
4033	>	{
4034	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4035	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4036	>	if (!createIncomplete) assertTrue(f.complete(v1));
4037	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4038	>	if (createIncomplete) {
4039	>	checkIncomplete(f);
4040	>	checkIncomplete(g);
4041	>	assertTrue(f.complete(v1));
4042	>	}
4043	>	checkCompletedNormally(f, v1);
4044	>	checkCompletedNormally(g, v1);
4045	>	}}
4046
4047	<	f = new CompletableFuture<>();
4048	<	g = f.handleAsync(r = new IntegerHandler());
4049	<	assertFalse(r.ran);
4050	<	f.completeExceptionally(new CFException());
4051	<	checkCompletedWithWrappedCFException(f);
4052	<	checkCompletedNormally(g, three);
4053	<	assertTrue(r.ran);
4047	>	/**
4048	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4049	>	* is completed exceptionally when source is.
4050	>	*/
4051	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4052	>	for (boolean createIncomplete : new boolean[] { true, false })
4053	>	{
4054	>	CFException ex = new CFException();
4055	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4056	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4057	>	if (!createIncomplete) f.completeExceptionally(ex);
4058	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4059	>	if (createIncomplete) {
4060	>	checkIncomplete(f);
4061	>	checkIncomplete(g);
4062	>	f.completeExceptionally(ex);
4063	>	}
4064	>	checkCompletedExceptionally(f, ex);
4065	>	checkCompletedWithWrappedException(g, ex);
4066	>	}}
4067
4068	<	f = new CompletableFuture<>();
4069	<	g = f.handleAsync(r = new IntegerHandler());
4070	<	assertFalse(r.ran);
4071	<	f.complete(one);
4072	<	checkCompletedNormally(f, one);
4073	<	checkCompletedNormally(g, two);
4074	<	assertTrue(r.ran);
4068	>	/**
4069	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4070	>	*/
4071	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4072	>	for (Integer v1 : new Integer[] { 1, null })
4073	>	{
4074	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4075	>	CompletionStage minimal = f.minimalCompletionStage();
4076	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4077	>	assertTrue(g.complete(v1));
4078	>	checkCompletedNormally(g, v1);
4079	>	checkIncomplete(f);
4080	>	checkIncomplete(minimal.toCompletableFuture());
4081	>	}}
4082
4083	<	f = new CompletableFuture<>();
4084	<	g = f.handleAsync(r = new IntegerHandler());
4085	<	assertFalse(r.ran);
4086	<	f.complete(one);
4087	<	checkCompletedNormally(f, one);
4088	<	checkCompletedNormally(g, two);
4089	<	assertTrue(r.ran);
4083	>	/**
4084	>	* minimalStage.toCompletableFuture().join() awaits completion
4085	>	*/
4086	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4087	>	for (boolean createIncomplete : new boolean[] { true, false })
4088	>	for (Integer v1 : new Integer[] { 1, null })
4089	>	{
4090	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4091	>	if (!createIncomplete) assertTrue(f.complete(v1));
4092	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4093	>	if (createIncomplete) assertTrue(f.complete(v1));
4094	>	assertEquals(v1, minimal.toCompletableFuture().join());
4095	>	assertEquals(v1, minimal.toCompletableFuture().get());
4096	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4097	>	}}
4098	>
4099	>	/**
4100	>	* Completion of a toCompletableFuture copy of a minimal stage
4101	>	* does not complete its source.
4102	>	*/
4103	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4104	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4105	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4106	>	assertTrue(g.toCompletableFuture().complete(1));
4107	>	assertTrue(g.toCompletableFuture().complete(null));
4108	>	assertTrue(g.toCompletableFuture().cancel(true));
4109	>	assertTrue(g.toCompletableFuture().cancel(false));
4110	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4111	>	checkIncomplete(g.toCompletableFuture());
4112	>	f.complete(1);
4113	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4114	>	}
4115	>
4116	>	/** Demo utility method for external reliable toCompletableFuture */
4117	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4118	>	CompletableFuture<T> f = new CompletableFuture<>();
4119	>	stage.handle((T t, Throwable ex) -> {
4120	>	if (ex != null) f.completeExceptionally(ex);
4121	>	else f.complete(t);
4122	>	return null;
4123	>	});
4124	>	return f;
4125	>	}
4126	>
4127	>	/** Demo utility method to join a CompletionStage */
4128	>	static <T> T join(CompletionStage<T> stage) {
4129	>	return toCompletableFuture(stage).join();
4130		}
4131
4132		/**
4133	<	* handleAsync action with Executor completes normally with
3324	<	* function value on either normal or exceptional completion of
3325	<	* source
4133	>	* Joining a minimal stage "by hand" works
4134		*/
4135	<	public void testHandleAsync2() {
4136	<	CompletableFuture<Integer> f, g;
4137	<	ThreadExecutor exec = new ThreadExecutor();
4138	<	IntegerHandler r;
4135	>	public void testMinimalCompletionStage_join_by_hand() {
4136	>	for (boolean createIncomplete : new boolean[] { true, false })
4137	>	for (Integer v1 : new Integer[] { 1, null })
4138	>	{
4139	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4140	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4141	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4142	>	if (!createIncomplete) assertTrue(f.complete(v1));
4143	>	minimal.thenAccept(x -> g.complete(x));
4144	>	if (createIncomplete) assertTrue(f.complete(v1));
4145	>	g.join();
4146	>	checkCompletedNormally(g, v1);
4147	>	checkCompletedNormally(f, v1);
4148	>	assertEquals(v1, join(minimal));
4149	>	}}
4150
4151	<	f = new CompletableFuture<>();
4152	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4153	<	assertFalse(r.ran);
4154	<	f.completeExceptionally(new CFException());
4155	<	checkCompletedWithWrappedCFException(f);
4156	<	checkCompletedNormally(g, three);
4157	<	assertTrue(r.ran);
4151	>	static class Monad {
4152	>	static class ZeroException extends RuntimeException {
4153	>	public ZeroException() { super("monadic zero"); }
4154	>	}
4155	>	// "return", "unit"
4156	>	static <T> CompletableFuture<T> unit(T value) {
4157	>	return completedFuture(value);
4158	>	}
4159	>	// monadic zero ?
4160	>	static <T> CompletableFuture<T> zero() {
4161	>	return failedFuture(new ZeroException());
4162	>	}
4163	>	// >=>
4164	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4165	>	(Function<T, CompletableFuture<U>> f,
4166	>	Function<U, CompletableFuture<V>> g) {
4167	>	return x -> f.apply(x).thenCompose(g);
4168	>	}
4169
4170	<	f = new CompletableFuture<>();
4171	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4172	<	assertFalse(r.ran);
4173	<	f.completeExceptionally(new CFException());
4174	<	checkCompletedWithWrappedCFException(f);
4175	<	checkCompletedNormally(g, three);
4176	<	assertTrue(r.ran);
4170	>	static void assertZero(CompletableFuture<?> f) {
4171	>	try {
4172	>	f.getNow(null);
4173	>	throw new AssertionFailedError("should throw");
4174	>	} catch (CompletionException success) {
4175	>	assertTrue(success.getCause() instanceof ZeroException);
4176	>	}
4177	>	}
4178
4179	<	f = new CompletableFuture<>();
4180	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4181	<	assertFalse(r.ran);
4182	<	f.complete(one);
4183	<	checkCompletedNormally(f, one);
4184	<	checkCompletedNormally(g, two);
4185	<	assertTrue(r.ran);
4179	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4180	>	CompletableFuture<T> g) {
4181	>	T fval = null, gval = null;
4182	>	Throwable fex = null, gex = null;
4183	>
4184	>	try { fval = f.get(); }
4185	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4186	>	catch (Throwable ex) { fex = ex; }
4187	>
4188	>	try { gval = g.get(); }
4189	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4190	>	catch (Throwable ex) { gex = ex; }
4191	>
4192	>	if (fex != null || gex != null)
4193	>	assertSame(fex.getClass(), gex.getClass());
4194	>	else
4195	>	assertEquals(fval, gval);
4196	>	}
4197
4198	<	f = new CompletableFuture<>();
4199	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4200	<	assertFalse(r.ran);
4201	<	f.complete(one);
4202	<	checkCompletedNormally(f, one);
4203	<	checkCompletedNormally(g, two);
4204	<	assertTrue(r.ran);
4198	>	static class PlusFuture<T> extends CompletableFuture<T> {
4199	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4200	>	}
4201	>
4202	>	/** Implements "monadic plus". */
4203	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4204	>	CompletableFuture<? extends T> g) {
4205	>	PlusFuture<T> plus = new PlusFuture<T>();
4206	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4207	>	try {
4208	>	if (ex == null) {
4209	>	if (plus.complete(result))
4210	>	if (plus.firstFailure.get() != null)
4211	>	plus.firstFailure.set(null);
4212	>	}
4213	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4214	>	if (plus.isDone())
4215	>	plus.firstFailure.set(null);
4216	>	}
4217	>	else {
4218	>	// first failure has precedence
4219	>	Throwable first = plus.firstFailure.getAndSet(null);
4220	>
4221	>	// may fail with "Self-suppression not permitted"
4222	>	try { first.addSuppressed(ex); }
4223	>	catch (Exception ignored) {}
4224	>
4225	>	plus.completeExceptionally(first);
4226	>	}
4227	>	} catch (Throwable unexpected) {
4228	>	plus.completeExceptionally(unexpected);
4229	>	}
4230	>	};
4231	>	f.whenComplete(action);
4232	>	g.whenComplete(action);
4233	>	return plus;
4234	>	}
4235		}
4236
4237	+	/**
4238	+	* CompletableFuture is an additive monad - sort of.
4239	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4240	+	*/
4241	+	public void testAdditiveMonad() throws Throwable {
4242	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4243	+	CompletableFuture<Long> zero = Monad.zero();
4244	+
4245	+	// Some mutually non-commutative functions
4246	+	Function<Long, CompletableFuture<Long>> triple
4247	+	= x -> Monad.unit(3 * x);
4248	+	Function<Long, CompletableFuture<Long>> inc
4249	+	= x -> Monad.unit(x + 1);
4250	+
4251	+	// unit is a right identity: m >>= unit === m
4252	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4253	+	inc.apply(5L));
4254	+	// unit is a left identity: (unit x) >>= f === f x
4255	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4256	+	inc.apply(5L));
4257	+
4258	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4259	+	Monad.assertFutureEquals(
4260	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4261	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4262	+
4263	+	// The case for CompletableFuture as an additive monad is weaker...
4264	+
4265	+	// zero is a monadic zero
4266	+	Monad.assertZero(zero);
4267	+
4268	+	// left zero: zero >>= f === zero
4269	+	Monad.assertZero(zero.thenCompose(inc));
4270	+	// right zero: f >>= (\x -> zero) === zero
4271	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4272	+
4273	+	// f plus zero === f
4274	+	Monad.assertFutureEquals(Monad.unit(5L),
4275	+	Monad.plus(Monad.unit(5L), zero));
4276	+	// zero plus f === f
4277	+	Monad.assertFutureEquals(Monad.unit(5L),
4278	+	Monad.plus(zero, Monad.unit(5L)));
4279	+	// zero plus zero === zero
4280	+	Monad.assertZero(Monad.plus(zero, zero));
4281	+	{
4282	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4283	+	Monad.unit(8L));
4284	+	// non-determinism
4285	+	assertTrue(f.get() == 5L || f.get() == 8L);
4286	+	}
4287	+
4288	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4289	+	// f plus godot === f (doesn't wait for godot)
4290	+	Monad.assertFutureEquals(Monad.unit(5L),
4291	+	Monad.plus(Monad.unit(5L), godot));
4292	+	// godot plus f === f (doesn't wait for godot)
4293	+	Monad.assertFutureEquals(Monad.unit(5L),
4294	+	Monad.plus(godot, Monad.unit(5L)));
4295	+	}
4296	+
4297	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4298	+	public void testRecursiveChains() throws Throwable {
4299	+	for (ExecutionMode m : ExecutionMode.values())
4300	+	for (boolean addDeadEnds : new boolean[] { true, false })
4301	+	{
4302	+	final int val = 42;
4303	+	final int n = expensiveTests ? 1_000 : 2;
4304	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4305	+	CompletableFuture<Integer> tail = head;
4306	+	for (int i = 0; i < n; i++) {
4307	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4308	+	tail = m.thenApply(tail, v -> v + 1);
4309	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4310	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4311	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4312	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4313	+	}
4314	+	head.complete(val);
4315	+	assertEquals(val + 3 * n, (int) tail.join());
4316	+	}}
4317	+
4318	+	/**
4319	+	* A single CompletableFuture with many dependents.
4320	+	* A demo of scalability - runtime is O(n).
4321	+	*/
4322	+	public void testManyDependents() throws Throwable {
4323	+	final int n = expensiveTests ? 1_000_000 : 10;
4324	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4325	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4326	+	final AtomicInteger count = new AtomicInteger(0);
4327	+	for (int i = 0; i < n; i++) {
4328	+	head.thenRun(() -> count.getAndIncrement());
4329	+	head.thenAccept(x -> count.getAndIncrement());
4330	+	head.thenApply(x -> count.getAndIncrement());
4331	+
4332	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4333	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4334	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4335	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4336	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4337	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4338	+
4339	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4340	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4341	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4342	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4343	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4344	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4345	+	}
4346	+	head.complete(null);
4347	+	assertEquals(5 * 3 * n, count.get());
4348	+	}
4349	+
4350	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4351	+	public void testCoCompletionGarbageRetention() throws Throwable {
4352	+	final int n = expensiveTests ? 1_000_000 : 10;
4353	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4354	+	CompletableFuture<Integer> f;
4355	+	for (int i = 0; i < n; i++) {
4356	+	f = new CompletableFuture<>();
4357	+	f.runAfterEither(incomplete, () -> {});
4358	+	f.complete(null);
4359	+
4360	+	f = new CompletableFuture<>();
4361	+	f.acceptEither(incomplete, x -> {});
4362	+	f.complete(null);
4363	+
4364	+	f = new CompletableFuture<>();
4365	+	f.applyToEither(incomplete, x -> x);
4366	+	f.complete(null);
4367	+
4368	+	f = new CompletableFuture<>();
4369	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4370	+	f.complete(null);
4371	+	}
4372	+
4373	+	for (int i = 0; i < n; i++) {
4374	+	f = new CompletableFuture<>();
4375	+	incomplete.runAfterEither(f, () -> {});
4376	+	f.complete(null);
4377	+
4378	+	f = new CompletableFuture<>();
4379	+	incomplete.acceptEither(f, x -> {});
4380	+	f.complete(null);
4381	+
4382	+	f = new CompletableFuture<>();
4383	+	incomplete.applyToEither(f, x -> x);
4384	+	f.complete(null);
4385	+
4386	+	f = new CompletableFuture<>();
4387	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4388	+	f.complete(null);
4389	+	}
4390	+	}
4391	+
4392	+	/**
4393	+	* Reproduction recipe for:
4394	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4395	+	* 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
4396	+	*/
4397	+	public void testAnyOfGarbageRetention() throws Throwable {
4398	+	for (Integer v : new Integer[] { 1, null })
4399	+	{
4400	+	final int n = expensiveTests ? 100_000 : 10;
4401	+	CompletableFuture<Integer>[] fs
4402	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4403	+	for (int i = 0; i < fs.length; i++)
4404	+	fs[i] = new CompletableFuture<>();
4405	+	fs[fs.length - 1].complete(v);
4406	+	for (int i = 0; i < n; i++)
4407	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4408	+	}}
4409	+
4410	+	/**
4411	+	* Checks for garbage retention with allOf.
4412	+	*
4413	+	* As of 2016-07, fails with OOME:
4414	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4415	+	*/
4416	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4417	+	final int n = expensiveTests ? 100_000 : 10;
4418	+	CompletableFuture<Integer>[] fs
4419	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4420	+	for (int i = 0; i < fs.length; i++)
4421	+	fs[i] = new CompletableFuture<>();
4422	+	for (int i = 0; i < n; i++)
4423	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4424	+	}
4425	+
4426	+	/**
4427	+	* Checks for garbage retention when a dependent future is
4428	+	* cancelled and garbage-collected.
4429	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4430	+	*
4431	+	* As of 2016-07, fails with OOME:
4432	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4433	+	*/
4434	+	public void testCancelledGarbageRetention() throws Throwable {
4435	+	final int n = expensiveTests ? 100_000 : 10;
4436	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4437	+	for (int i = 0; i < n; i++)
4438	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4439	+	}
4440	+
4441	+	/**
4442	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4443	+	* is invoked many times.
4444	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4445	+	*
4446	+	* As of 2016-07, fails with OOME:
4447	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4448	+	*/
4449	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4450	+	final int n = expensiveTests ? 900_000 : 10;
4451	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4452	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4453	+	for (int i = 0; i < n; i++)
4454	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4455	+	}
4456	+
4457	+	//     static <U> U join(CompletionStage<U> stage) {
4458	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4459	+	//         stage.whenComplete((v, ex) -> {
4460	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4461	+	//         });
4462	+	//         return f.join();
4463	+	//     }
4464	+
4465	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4466	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4467	+	//         stage.whenComplete((v, ex) -> {
4468	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4469	+	//         });
4470	+	//         return f.isDone();
4471	+	//     }
4472	+
4473	+	//     static <U> U join2(CompletionStage<U> stage) {
4474	+	//         return stage.toCompletableFuture().copy().join();
4475	+	//     }
4476	+
4477	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4478	+	//         return stage.toCompletableFuture().copy().isDone();
4479	+	//     }
4480	+
4481		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines