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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.32 by jsr166, Mon May 26 17:25:36 2014 UTC vs.
Revision 1.187 by jsr166, Mon Jul 3 21:18:37 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) {
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	>	checker.accept(cause);
107	>
108	>	long startTime = System.nanoTime();
109		try {
110		f.get(LONG_DELAY_MS, MILLISECONDS);
111		shouldThrow();
112		} catch (ExecutionException success) {
113	<	assertTrue(success.getCause() instanceof CFException);
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	<	assertTrue(success.getCause() instanceof CFException);
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	<	assertTrue(success.getCause() instanceof CFException);
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	<	assertTrue(success.getCause() instanceof CFException);
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 121 | Line 187 | public class CompletableFutureTest exten
187		shouldThrow();
188		} catch (CancellationException success) {
189		} catch (Throwable fail) { threadUnexpectedException(fail); }
124	–	assertTrue(f.isDone());
125	–	assertTrue(f.isCompletedExceptionally());
126	–	assertTrue(f.isCancelled());
127	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
128	–	}
190
191	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
192	<	try {
132	<	f.get(LONG_DELAY_MS, MILLISECONDS);
133	<	shouldThrow();
134	<	} catch (ExecutionException success) {
135	<	assertTrue(success.getCause() instanceof CancellationException);
136	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
137	<	try {
138	<	f.join();
139	<	shouldThrow();
140	<	} catch (CompletionException success) {
141	<	assertTrue(success.getCause() instanceof CancellationException);
142	<	}
143	<	try {
144	<	f.getNow(null);
145	<	shouldThrow();
146	<	} catch (CompletionException success) {
147	<	assertTrue(success.getCause() instanceof CancellationException);
148	<	}
149	<	try {
150	<	f.get();
151	<	shouldThrow();
152	<	} catch (ExecutionException success) {
153	<	assertTrue(success.getCause() instanceof CancellationException);
154	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
191	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
192	>
193		assertTrue(f.isDone());
156	–	assertFalse(f.isCancelled());
194		assertTrue(f.isCompletedExceptionally());
195	+	assertTrue(f.isCancelled());
196		assertTrue(f.toString().contains("[Completed exceptionally]"));
197		}
198
#	Line 172 | 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 184 | 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 194 | 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 206 | 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 215 | 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 225 | 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());
233	<	checkCompletedWithWrappedCFException(f);
276	>	for (Integer v1 : new Integer[] { 1, null })
277	>	{
278	>	CFException ex;
279	>	CompletableFuture<Integer> f;
280	>
281		f = new CompletableFuture<>();
282	<	f.obtrudeException(new CFException());
283	<	checkCompletedWithWrappedCFException(f);
282	>	assertTrue(f.complete(v1));
283	>	for (int i = 0; i < 2; i++) {
284	>	f.obtrudeException(ex = new CFException());
285	>	checkCompletedExceptionally(f, ex);
286	>	}
287	>
288		f = new CompletableFuture<>();
289	<	f.completeExceptionally(new CFException());
290	<	f.obtrudeValue(four);
291	<	checkCompletedNormally(f, four);
292	<	f.obtrudeException(new CFException());
293	<	checkCompletedWithWrappedCFException(f);
294	<	}
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	>	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	<	CompletableFuture<Integer> f = new CompletableFuture<>();
311	<	assertEquals(f.getNumberOfDependents(), 0);
312	<	CompletableFuture g = f.thenRun(new Noop());
313	<	assertEquals(f.getNumberOfDependents(), 1);
314	<	assertEquals(g.getNumberOfDependents(), 0);
315	<	CompletableFuture h = f.thenRun(new Noop());
316	<	assertEquals(f.getNumberOfDependents(), 2);
317	<	f.complete(1);
310	>	for (ExecutionMode m : ExecutionMode.values())
311	>	for (Integer v1 : new Integer[] { 1, null })
312	>	{
313	>	CompletableFuture<Integer> f = new CompletableFuture<>();
314	>	assertEquals(0, f.getNumberOfDependents());
315	>	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 268 | 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 284 | 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 =
294	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
295	<	static final class IncAction implements Consumer<Integer> {
296	<	int value;
297	<	public void accept(Integer x) { value = x.intValue() + 1; }
298	<	}
299	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
300	<	int value;
301	<	public void accept(Integer x, Integer y) {
302	<	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 {
306	<	boolean ran;
307	<	public void run() { ran = true; }
308	<	}
309	<
310	<	static final class FailingSupplier implements Supplier<Integer> {
311	<	boolean ran;
312	<	public Integer get() { ran = true; throw new CFException(); }
313	<	}
314	<	static final class FailingConsumer implements Consumer<Integer> {
315	<	boolean ran;
316	<	public void accept(Integer x) { ran = true; throw new CFException(); }
317	<	}
318	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
319	<	boolean ran;
320	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
321	<	}
322	<	static final class FailingFunction implements Function<Integer, Integer> {
323	<	boolean ran;
324	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
325	<	}
326	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
327	<	boolean ran;
328	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
329	<	}
330	<	static final class FailingNoop implements Runnable {
331	<	boolean ran;
332	<	public void run() { ran = true; throw new CFException(); }
368	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
369	>	void assertInvoked() { assertEquals(1, invocationCount); }
370		}
371
372	<	static final class CompletableFutureInc
373	<	implements Function<Integer, CompletableFuture<Integer>> {
374	<	boolean ran;
375	<	public CompletableFuture<Integer> apply(Integer x) {
376	<	ran = true;
377	<	CompletableFuture<Integer> f = new CompletableFuture<>();
341	<	f.complete(Integer.valueOf(x.intValue() + 1));
342	<	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
355	<	static final class ThreadExecutor implements Executor {
356	<	AtomicInteger count = new AtomicInteger(0);
357	<
358	<	public void execute(Runnable r) {
359	<	count.getAndIncrement();
360	<	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);
384	<	f.completeExceptionally(new CFException());
385	<	checkCompletedNormally(g, three);
386	<
387	<	f = new CompletableFuture<>();
388	<	r = new ExceptionToInteger();
389	<	g = f.exceptionally(r);
390	<	f.complete(one);
391	<	checkCompletedNormally(g, one);
392	<	}
393	<
394	<	/**
395	<	* handle action completes normally with function value on either
396	<	* normal or exceptional completion of source
397	<	*/
398	<	public void testHandle() {
399	<	CompletableFuture<Integer> f, g;
400	<	IntegerHandler r;
401	<
402	<	f = new CompletableFuture<>();
403	<	f.completeExceptionally(new CFException());
404	<	g = f.handle(r = new IntegerHandler());
405	<	assertTrue(r.ran);
406	<	checkCompletedNormally(g, three);
407	<
408	<	f = new CompletableFuture<>();
409	<	g = f.handle(r = new IntegerHandler());
410	<	assertFalse(r.ran);
411	<	f.completeExceptionally(new CFException());
412	<	checkCompletedNormally(g, three);
413	<	assertTrue(r.ran);
414	<
415	<	f = new CompletableFuture<>();
416	<	f.complete(one);
417	<	g = f.handle(r = new IntegerHandler());
418	<	assertTrue(r.ran);
419	<	checkCompletedNormally(g, two);
420	<
421	<	f = new CompletableFuture<>();
422	<	g = f.handle(r = new IntegerHandler());
423	<	assertFalse(r.ran);
424	<	f.complete(one);
425	<	assertTrue(r.ran);
426	<	checkCompletedNormally(g, two);
427	<	}
428	<
429	<	/**
430	<	* runAsync completes after running Runnable
431	<	*/
432	<	public void testRunAsync() {
433	<	Noop r = new Noop();
434	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
435	<	assertNull(f.join());
436	<	assertTrue(r.ran);
437	<	checkCompletedNormally(f, null);
438	<	}
439	<
440	<	/**
441	<	* runAsync with executor completes after running Runnable
442	<	*/
443	<	public void testRunAsync2() {
444	<	Noop r = new Noop();
445	<	ThreadExecutor exec = new ThreadExecutor();
446	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
447	<	assertNull(f.join());
448	<	assertTrue(r.ran);
449	<	checkCompletedNormally(f, null);
450	<	assertEquals(1, exec.count.get());
451	<	}
452	<
453	<	/**
454	<	* failing runAsync completes exceptionally after running Runnable
455	<	*/
456	<	public void testRunAsync3() {
457	<	FailingNoop r = new FailingNoop();
458	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
459	<	checkCompletedWithWrappedCFException(f);
460	<	assertTrue(r.ran);
461	<	}
462	<
463	<	/**
464	<	* supplyAsync completes with result of supplier
465	<	*/
466	<	public void testSupplyAsync() {
467	<	CompletableFuture<Integer> f;
468	<	f = CompletableFuture.supplyAsync(supplyOne);
469	<	assertEquals(f.join(), one);
470	<	checkCompletedNormally(f, one);
471	<	}
472	<
473	<	/**
474	<	* supplyAsync with executor completes with result of supplier
475	<	*/
476	<	public void testSupplyAsync2() {
477	<	CompletableFuture<Integer> f;
478	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
479	<	assertEquals(f.join(), one);
480	<	checkCompletedNormally(f, one);
481	<	}
482	<
483	<	/**
484	<	* Failing supplyAsync completes exceptionally
485	<	*/
486	<	public void testSupplyAsync3() {
487	<	FailingSupplier r = new FailingSupplier();
488	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
489	<	checkCompletedWithWrappedCFException(f);
490	<	assertTrue(r.ran);
491	<	}
492	<
493	<	// seq completion methods
494	<
495	<	/**
496	<	* thenRun result completes normally after normal completion of source
497	<	*/
498	<	public void testThenRun() {
499	<	CompletableFuture<Integer> f;
500	<	CompletableFuture<Void> g;
501	<	Noop r;
502	<
503	<	f = new CompletableFuture<>();
504	<	g = f.thenRun(r = new Noop());
505	<	f.complete(null);
506	<	checkCompletedNormally(g, null);
507	<	assertTrue(r.ran);
508	<
509	<	f = new CompletableFuture<>();
510	<	f.complete(null);
511	<	g = f.thenRun(r = new Noop());
512	<	checkCompletedNormally(g, null);
513	<	assertTrue(r.ran);
514	<	}
515	<
516	<	/**
517	<	* thenRun result completes exceptionally after exceptional
518	<	* completion of source
519	<	*/
520	<	public void testThenRun2() {
521	<	CompletableFuture<Integer> f;
522	<	CompletableFuture<Void> g;
523	<	Noop r;
524	<
525	<	f = new CompletableFuture<>();
526	<	g = f.thenRun(r = new Noop());
527	<	f.completeExceptionally(new CFException());
528	<	checkCompletedWithWrappedCFException(g);
529	<	assertFalse(r.ran);
530	<
531	<	f = new CompletableFuture<>();
532	<	f.completeExceptionally(new CFException());
533	<	g = f.thenRun(r = new Noop());
534	<	checkCompletedWithWrappedCFException(g);
535	<	assertFalse(r.ran);
536	<	}
537	<
538	<	/**
539	<	* thenRun result completes exceptionally if action does
540	<	*/
541	<	public void testThenRun3() {
542	<	CompletableFuture<Integer> f;
543	<	CompletableFuture<Void> g;
544	<	FailingNoop r;
545	<
546	<	f = new CompletableFuture<>();
547	<	g = f.thenRun(r = new FailingNoop());
548	<	f.complete(null);
549	<	checkCompletedWithWrappedCFException(g);
550	<
551	<	f = new CompletableFuture<>();
552	<	f.complete(null);
553	<	g = f.thenRun(r = new FailingNoop());
554	<	checkCompletedWithWrappedCFException(g);
555	<	}
556	<
557	<	/**
558	<	* thenRun result completes exceptionally if source cancelled
559	<	*/
560	<	public void testThenRun4() {
561	<	CompletableFuture<Integer> f;
562	<	CompletableFuture<Void> g;
563	<	Noop r;
564	<
565	<	f = new CompletableFuture<>();
566	<	g = f.thenRun(r = new Noop());
567	<	assertTrue(f.cancel(true));
568	<	checkCompletedWithWrappedCancellationException(g);
569	<
570	<	f = new CompletableFuture<>();
571	<	assertTrue(f.cancel(true));
572	<	g = f.thenRun(r = new Noop());
573	<	checkCompletedWithWrappedCancellationException(g);
574	<	}
575	<
576	<	/**
577	<	* thenApply result completes normally after normal completion of source
578	<	*/
579	<	public void testThenApply() {
580	<	CompletableFuture<Integer> f = new CompletableFuture<>();
581	<	CompletableFuture<Integer> g = f.thenApply(inc);
582	<	f.complete(one);
583	<	checkCompletedNormally(g, two);
584	<	}
585	<
586	<	/**
587	<	* thenApply result completes exceptionally after exceptional
588	<	* completion of source
589	<	*/
590	<	public void testThenApply2() {
591	<	CompletableFuture<Integer> f = new CompletableFuture<>();
592	<	CompletableFuture<Integer> g = f.thenApply(inc);
593	<	f.completeExceptionally(new CFException());
594	<	checkCompletedWithWrappedCFException(g);
595	<	}
596	<
597	<	/**
598	<	* thenApply result completes exceptionally if action does
599	<	*/
600	<	public void testThenApply3() {
601	<	CompletableFuture<Integer> f = new CompletableFuture<>();
602	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
603	<	f.complete(one);
604	<	checkCompletedWithWrappedCFException(g);
605	<	}
606	<
607	<	/**
608	<	* thenApply result completes exceptionally if source cancelled
609	<	*/
610	<	public void testThenApply4() {
611	<	CompletableFuture<Integer> f = new CompletableFuture<>();
612	<	CompletableFuture<Integer> g = f.thenApply(inc);
613	<	assertTrue(f.cancel(true));
614	<	checkCompletedWithWrappedCancellationException(g);
615	<	}
616	<
617	<	/**
618	<	* thenAccept result completes normally after normal completion of source
619	<	*/
620	<	public void testThenAccept() {
621	<	CompletableFuture<Integer> f = new CompletableFuture<>();
622	<	IncAction r = new IncAction();
623	<	CompletableFuture<Void> g = f.thenAccept(r);
624	<	f.complete(one);
625	<	checkCompletedNormally(g, null);
626	<	assertEquals(r.value, 2);
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	<	* thenAccept result completes exceptionally after exceptional
422	<	* completion of source
423	<	*/
424	<	public void testThenAccept2() {
425	<	CompletableFuture<Integer> f = new CompletableFuture<>();
635	<	IncAction r = new IncAction();
636	<	CompletableFuture<Void> g = f.thenAccept(r);
637	<	f.completeExceptionally(new CFException());
638	<	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	<	* thenAccept result completes exceptionally if action does
430	<	*/
431	<	public void testThenAccept3() {
432	<	CompletableFuture<Integer> f = new CompletableFuture<>();
433	<	FailingConsumer r = new FailingConsumer();
434	<	CompletableFuture<Void> g = f.thenAccept(r);
435	<	f.complete(one);
649	<	checkCompletedWithWrappedCFException(g);
650	<	assertTrue(r.ran);
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	<	* thenAccept result completes exceptionally if source cancelled
440	<	*/
441	<	public void testThenAccept4() {
442	<	CompletableFuture<Integer> f = new CompletableFuture<>();
443	<	IncAction r = new IncAction();
444	<	CompletableFuture<Void> g = f.thenAccept(r);
445	<	assertTrue(f.cancel(true));
661	<	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	<	* thenCombine result completes normally after normal completion
450	<	* of sources
451	<	*/
452	<	public void testThenCombine() {
669	<	CompletableFuture<Integer> f, g, h;
670	<
671	<	f = new CompletableFuture<>();
672	<	g = new CompletableFuture<>();
673	<	h = f.thenCombine(g, subtract);
674	<	f.complete(3);
675	<	checkIncomplete(h);
676	<	g.complete(1);
677	<	checkCompletedNormally(h, 2);
678	<
679	<	f = new CompletableFuture<>();
680	<	g = new CompletableFuture<>();
681	<	h = f.thenCombine(g, subtract);
682	<	g.complete(1);
683	<	checkIncomplete(h);
684	<	f.complete(3);
685	<	checkCompletedNormally(h, 2);
686	<
687	<	f = new CompletableFuture<>();
688	<	g = new CompletableFuture<>();
689	<	g.complete(1);
690	<	f.complete(3);
691	<	h = f.thenCombine(g, subtract);
692	<	checkCompletedNormally(h, 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	<	* thenCombine result completes exceptionally after exceptional
457	<	* completion of either source
458	<	*/
459	<	public void testThenCombine2() {
460	<	CompletableFuture<Integer> f, g, h;
461	<
462	<	f = new CompletableFuture<>();
463	<	g = new CompletableFuture<>();
704	<	h = f.thenCombine(g, subtract);
705	<	f.completeExceptionally(new CFException());
706	<	checkIncomplete(h);
707	<	g.complete(1);
708	<	checkCompletedWithWrappedCFException(h);
709	<
710	<	f = new CompletableFuture<>();
711	<	g = new CompletableFuture<>();
712	<	h = f.thenCombine(g, subtract);
713	<	g.completeExceptionally(new CFException());
714	<	checkIncomplete(h);
715	<	f.complete(3);
716	<	checkCompletedWithWrappedCFException(h);
717	<
718	<	f = new CompletableFuture<>();
719	<	g = new CompletableFuture<>();
720	<	f.complete(3);
721	<	g.completeExceptionally(new CFException());
722	<	h = f.thenCombine(g, subtract);
723	<	checkCompletedWithWrappedCFException(h);
724	<
725	<	f = new CompletableFuture<>();
726	<	g = new CompletableFuture<>();
727	<	f.completeExceptionally(new CFException());
728	<	g.complete(3);
729	<	h = f.thenCombine(g, subtract);
730	<	checkCompletedWithWrappedCFException(h);
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	<	* thenCombine result completes exceptionally if action does
468	<	*/
469	<	public void testThenCombine3() {
470	<	CompletableFuture<Integer> f = new CompletableFuture<>();
471	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
472	<	FailingBiFunction r = new FailingBiFunction();
473	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
474	<	f.complete(one);
475	<	checkIncomplete(g);
743	<	assertFalse(r.ran);
744	<	f2.complete(two);
745	<	checkCompletedWithWrappedCFException(g);
746	<	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	<	* thenCombine result completes exceptionally if either source cancelled
480	<	*/
481	<	public void testThenCombine4() {
482	<	CompletableFuture<Integer> f, g, h;
483	<
484	<	f = new CompletableFuture<>();
485	<	g = new CompletableFuture<>();
486	<	h = f.thenCombine(g, subtract);
487	<	assertTrue(f.cancel(true));
759	<	checkIncomplete(h);
760	<	g.complete(1);
761	<	checkCompletedWithWrappedCancellationException(h);
762	<
763	<	f = new CompletableFuture<>();
764	<	g = new CompletableFuture<>();
765	<	h = f.thenCombine(g, subtract);
766	<	assertTrue(g.cancel(true));
767	<	checkIncomplete(h);
768	<	f.complete(3);
769	<	checkCompletedWithWrappedCancellationException(h);
770	<
771	<	f = new CompletableFuture<>();
772	<	g = new CompletableFuture<>();
773	<	assertTrue(f.cancel(true));
774	<	assertTrue(g.cancel(true));
775	<	h = f.thenCombine(g, subtract);
776	<	checkCompletedWithWrappedCancellationException(h);
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	<	* thenAcceptBoth result completes normally after normal
492	<	* completion of sources
493	<	*/
494	<	public void testThenAcceptBoth() {
495	<	CompletableFuture<Integer> f, g;
496	<	CompletableFuture<Void> h;
497	<	SubtractAction r;
498	<
499	<	f = new CompletableFuture<>();
789	<	g = new CompletableFuture<>();
790	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
791	<	f.complete(3);
792	<	checkIncomplete(h);
793	<	g.complete(1);
794	<	checkCompletedNormally(h, null);
795	<	assertEquals(r.value, 2);
796	<
797	<	f = new CompletableFuture<>();
798	<	g = new CompletableFuture<>();
799	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
800	<	g.complete(1);
801	<	checkIncomplete(h);
802	<	f.complete(3);
803	<	checkCompletedNormally(h, null);
804	<	assertEquals(r.value, 2);
805	<
806	<	f = new CompletableFuture<>();
807	<	g = new CompletableFuture<>();
808	<	g.complete(1);
809	<	f.complete(3);
810	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
811	<	checkCompletedNormally(h, null);
812	<	assertEquals(r.value, 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	<	* thenAcceptBoth result completes exceptionally after exceptional
504	<	* completion of either source
505	<	*/
506	<	public void testThenAcceptBoth2() {
507	<	CompletableFuture<Integer> f, g;
508	<	CompletableFuture<Void> h;
509	<	SubtractAction r;
510	<
511	<	f = new CompletableFuture<>();
825	<	g = new CompletableFuture<>();
826	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
827	<	f.completeExceptionally(new CFException());
828	<	checkIncomplete(h);
829	<	g.complete(1);
830	<	checkCompletedWithWrappedCFException(h);
831	<
832	<	f = new CompletableFuture<>();
833	<	g = new CompletableFuture<>();
834	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
835	<	g.completeExceptionally(new CFException());
836	<	checkIncomplete(h);
837	<	f.complete(3);
838	<	checkCompletedWithWrappedCFException(h);
839	<
840	<	f = new CompletableFuture<>();
841	<	g = new CompletableFuture<>();
842	<	f.complete(3);
843	<	g.completeExceptionally(new CFException());
844	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
845	<	checkCompletedWithWrappedCFException(h);
846	<
847	<	f = new CompletableFuture<>();
848	<	g = new CompletableFuture<>();
849	<	f.completeExceptionally(new CFException());
850	<	g.complete(3);
851	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
852	<	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	<	* thenAcceptBoth result completes exceptionally if action does
516	<	*/
517	<	public void testThenAcceptBoth3() {
518	<	CompletableFuture<Integer> f, g;
519	<	CompletableFuture<Void> h;
520	<	FailingBiConsumer r;
862	<
863	<	f = new CompletableFuture<>();
864	<	g = new CompletableFuture<>();
865	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
866	<	f.complete(3);
867	<	checkIncomplete(h);
868	<	g.complete(1);
869	<	checkCompletedWithWrappedCFException(h);
870	<
871	<	f = new CompletableFuture<>();
872	<	g = new CompletableFuture<>();
873	<	f.complete(3);
874	<	g.complete(1);
875	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
876	<	checkCompletedWithWrappedCFException(h);
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	<	* thenAcceptBoth result completes exceptionally if either source cancelled
525	<	*/
526	<	public void testThenAcceptBoth4() {
527	<	CompletableFuture<Integer> f, g;
528	<	CompletableFuture<Void> h;
529	<	SubtractAction r;
530	<
531	<	f = new CompletableFuture<>();
532	<	g = new CompletableFuture<>();
533	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
890	<	assertTrue(f.cancel(true));
891	<	checkIncomplete(h);
892	<	g.complete(1);
893	<	checkCompletedWithWrappedCancellationException(h);
894	<
895	<	f = new CompletableFuture<>();
896	<	g = new CompletableFuture<>();
897	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
898	<	assertTrue(g.cancel(true));
899	<	checkIncomplete(h);
900	<	f.complete(3);
901	<	checkCompletedWithWrappedCancellationException(h);
902	<
903	<	f = new CompletableFuture<>();
904	<	g = new CompletableFuture<>();
905	<	f.complete(3);
906	<	assertTrue(g.cancel(true));
907	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
908	<	checkCompletedWithWrappedCancellationException(h);
909	<
910	<	f = new CompletableFuture<>();
911	<	g = new CompletableFuture<>();
912	<	assertTrue(f.cancel(true));
913	<	g.complete(3);
914	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
915	<	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	<	* runAfterBoth result completes normally after normal
538	<	* completion of sources
539	<	*/
540	<	public void testRunAfterBoth() {
541	<	CompletableFuture<Integer> f, g;
542	<	CompletableFuture<Void> h;
543	<	Noop r;
544	<
545	<	f = new CompletableFuture<>();
928	<	g = new CompletableFuture<>();
929	<	h = f.runAfterBoth(g, r = new Noop());
930	<	f.complete(3);
931	<	checkIncomplete(h);
932	<	g.complete(1);
933	<	checkCompletedNormally(h, null);
934	<	assertTrue(r.ran);
935	<
936	<	f = new CompletableFuture<>();
937	<	g = new CompletableFuture<>();
938	<	h = f.runAfterBoth(g, r = new Noop());
939	<	g.complete(1);
940	<	checkIncomplete(h);
941	<	f.complete(3);
942	<	checkCompletedNormally(h, null);
943	<	assertTrue(r.ran);
944	<
945	<	f = new CompletableFuture<>();
946	<	g = new CompletableFuture<>();
947	<	g.complete(1);
948	<	f.complete(3);
949	<	h = f.runAfterBoth(g, r = new Noop());
950	<	checkCompletedNormally(h, null);
951	<	assertTrue(r.ran);
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	<	* runAfterBoth result completes exceptionally after exceptional
550	<	* completion of either source
551	<	*/
552	<	public void testRunAfterBoth2() {
553	<	CompletableFuture<Integer> f, g;
554	<	CompletableFuture<Void> h;
961	<	Noop r;
962	<
963	<	f = new CompletableFuture<>();
964	<	g = new CompletableFuture<>();
965	<	h = f.runAfterBoth(g, r = new Noop());
966	<	f.completeExceptionally(new CFException());
967	<	checkIncomplete(h);
968	<	g.complete(1);
969	<	checkCompletedWithWrappedCFException(h);
970	<	assertFalse(r.ran);
971	<
972	<	f = new CompletableFuture<>();
973	<	g = new CompletableFuture<>();
974	<	h = f.runAfterBoth(g, r = new Noop());
975	<	g.completeExceptionally(new CFException());
976	<	checkIncomplete(h);
977	<	f.complete(3);
978	<	checkCompletedWithWrappedCFException(h);
979	<	assertFalse(r.ran);
980	<
981	<	f = new CompletableFuture<>();
982	<	g = new CompletableFuture<>();
983	<	g.completeExceptionally(new CFException());
984	<	f.complete(3);
985	<	h = f.runAfterBoth(g, r = new Noop());
986	<	checkCompletedWithWrappedCFException(h);
987	<	assertFalse(r.ran);
988	<
989	<	f = new CompletableFuture<>();
990	<	g = new CompletableFuture<>();
991	<	f.completeExceptionally(new CFException());
992	<	g.complete(1);
993	<	h = f.runAfterBoth(g, r = new Noop());
994	<	checkCompletedWithWrappedCFException(h);
995	<	assertFalse(r.ran);
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	<	* runAfterBoth result completes exceptionally if action does
559	<	*/
560	<	public void testRunAfterBoth3() {
561	<	CompletableFuture<Integer> f = new CompletableFuture<>();
562	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
563	<	FailingNoop r = new FailingNoop();
1005	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1006	<	f.complete(one);
1007	<	checkIncomplete(g);
1008	<	f2.complete(two);
1009	<	checkCompletedWithWrappedCFException(g);
1010	<	}
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	<	/**
566	<	* runAfterBoth result completes exceptionally if either source cancelled
567	<	*/
568	<	public void testRunAfterBoth4() {
1016	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1017	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1018	<	Noop r = new Noop();
1019	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1020	<	assertTrue(f.cancel(true));
1021	<	f2.complete(two);
1022	<	checkCompletedWithWrappedCancellationException(g);
1023	<	f = new CompletableFuture<>();
1024	<	f2 = new CompletableFuture<>();
1025	<	r = new Noop();
1026	<	g = f.runAfterBoth(f2, r);
1027	<	f.complete(one);
1028	<	assertTrue(f2.cancel(true));
1029	<	checkCompletedWithWrappedCancellationException(g);
565	>	public void execute(Runnable r) {
566	>	count.getAndIncrement();
567	>	new Thread(tg, r).start();
568	>	}
569		}
570
571	<	/**
572	<	* applyToEither result completes normally after normal completion
1034	<	* of either source
1035	<	*/
1036	<	public void testApplyToEither() {
1037	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1038	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1039	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1040	<	f.complete(one);
1041	<	checkCompletedNormally(g, two);
1042	<	f2.complete(one);
1043	<	checkCompletedNormally(g, two);
1044	<
1045	<	f = new CompletableFuture<>();
1046	<	f.complete(one);
1047	<	f2 = new CompletableFuture<>();
1048	<	g = f.applyToEither(f2, inc);
1049	<	checkCompletedNormally(g, two);
1050	<	}
571	>	static final boolean defaultExecutorIsCommonPool
572	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
573
574		/**
575	<	* applyToEither result completes exceptionally after exceptional
576	<	* completion of either source
575	>	* Permits the testing of parallel code for the 3 different
576	>	* execution modes without copy/pasting all the test methods.
577		*/
578	<	public void testApplyToEither2() {
579	<	CompletableFuture<Integer> f = new CompletableFuture<>();
580	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
581	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
582	<	f.completeExceptionally(new CFException());
583	<	f2.complete(one);
584	<	checkCompletedWithWrappedCFException(g);
578	>	enum ExecutionMode {
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 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	<	f = new CompletableFuture<>();
654	<	f2 = new CompletableFuture<>();
655	<	f2.completeExceptionally(new CFException());
656	<	g = f.applyToEither(f2, inc);
657	<	checkCompletedWithWrappedCFException(g);
658	<	}
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 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	<	/**
728	<	* applyToEither result completes exceptionally if action does
729	<	*/
730	<	public void testApplyToEither3() {
731	<	CompletableFuture<Integer> f = new CompletableFuture<>();
732	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
733	<	FailingFunction r = new FailingFunction();
734	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
735	<	f2.complete(two);
736	<	checkCompletedWithWrappedCFException(g);
737	<	}
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 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	<	/**
801	<	* applyToEither result completes exceptionally if either source cancelled
802	<	*/
803	<	public void testApplyToEither4() {
804	<	CompletableFuture<Integer> f = new CompletableFuture<>();
805	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
806	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
807	<	assertTrue(f.cancel(true));
808	<	checkCompletedWithWrappedCancellationException(g);
809	<	f = new CompletableFuture<>();
810	<	f2 = new CompletableFuture<>();
811	<	assertTrue(f2.cancel(true));
812	<	checkCompletedWithWrappedCancellationException(g);
813	<	}
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 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	>	* exceptionally action is not invoked when source completes
844	>	* normally, and source result is propagated
845	>	*/
846	>	public void testExceptionally_normalCompletion() {
847	>	for (boolean createIncomplete : new boolean[] { true, false })
848	>	for (Integer v1 : new Integer[] { 1, null })
849	>	{
850	>	final AtomicInteger a = new AtomicInteger(0);
851	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
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(g, v1);
862	>	checkCompletedNormally(f, v1);
863	>	assertEquals(0, a.get());
864	>	}}
865
866		/**
867	<	* acceptEither result completes normally after normal completion
868	<	* of either source
867	>	* exceptionally action completes with function value on source
868	>	* exception
869		*/
870	<	public void testAcceptEither() {
871	<	CompletableFuture<Integer> f = new CompletableFuture<>();
872	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
873	<	IncAction r = new IncAction();
874	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
875	<	f.complete(one);
876	<	checkCompletedNormally(g, null);
877	<	f2.complete(one);
878	<	checkCompletedNormally(g, null);
879	<	assertEquals(r.value, 2);
880	<
881	<	r = new IncAction();
882	<	f = new CompletableFuture<>();
883	<	f.complete(one);
884	<	f2 = new CompletableFuture<>();
885	<	g = f.acceptEither(f2, r);
886	<	checkCompletedNormally(g, null);
887	<	assertEquals(r.value, 2);
888	<	}
870	>	public void testExceptionally_exceptionalCompletion() {
871	>	for (boolean createIncomplete : new boolean[] { true, false })
872	>	for (Integer v1 : new Integer[] { 1, null })
873	>	{
874	>	final AtomicInteger a = new AtomicInteger(0);
875	>	final CFException ex = new CFException();
876	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
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(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	>	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		/**
918	<	* acceptEither result completes exceptionally after exceptional
919	<	* completion of either source
918	>	* whenComplete action executes on normal completion, propagating
919	>	* source result.
920		*/
921	<	public void testAcceptEither2() {
922	<	CompletableFuture<Integer> f = new CompletableFuture<>();
923	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
924	<	IncAction r = new IncAction();
925	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
926	<	f.completeExceptionally(new CFException());
927	<	f2.complete(one);
928	<	checkCompletedWithWrappedCFException(g);
929	<
930	<	r = new IncAction();
931	<	f = new CompletableFuture<>();
932	<	f2 = new CompletableFuture<>();
933	<	f2.completeExceptionally(new CFException());
934	<	g = f.acceptEither(f2, r);
935	<	checkCompletedWithWrappedCFException(g);
936	<	}
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	>	{
926	>	final AtomicInteger a = new AtomicInteger(0);
927	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
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(g, v1);
940	>	checkCompletedNormally(f, v1);
941	>	assertEquals(1, a.get());
942	>	}}
943
944		/**
945	<	* acceptEither result completes exceptionally if action does
945	>	* whenComplete action executes on exceptional completion, propagating
946	>	* source result.
947		*/
948	<	public void testAcceptEither3() {
949	<	CompletableFuture<Integer> f = new CompletableFuture<>();
950	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
951	<	FailingConsumer r = new FailingConsumer();
952	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
953	<	f2.complete(two);
954	<	checkCompletedWithWrappedCFException(g);
955	<	}
948	>	public void testWhenComplete_exceptionalCompletion() {
949	>	for (ExecutionMode m : ExecutionMode.values())
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	>	/**
972	>	* whenComplete action executes on cancelled source, propagating
973	>	* CancellationException.
974	>	*/
975	>	public void testWhenComplete_sourceCancelled() {
976	>	for (ExecutionMode m : ExecutionMode.values())
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	>	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
1155	–	/**
1156	–	* acceptEither result completes exceptionally if either source cancelled
1157	–	*/
1158	–	public void testAcceptEither4() {
1159	–	CompletableFuture<Integer> f = new CompletableFuture<>();
1160	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1161	–	IncAction r = new IncAction();
1162	–	CompletableFuture<Void> g = f.acceptEither(f2, r);
1163	–	assertTrue(f.cancel(true));
993		checkCompletedWithWrappedCancellationException(g);
994	<	f = new CompletableFuture<>();
995	<	f2 = new CompletableFuture<>();
996	<	assertTrue(f2.cancel(true));
1168	<	checkCompletedWithWrappedCancellationException(g);
1169	<	}
1170	<
1171	<	/**
1172	<	* runAfterEither result completes normally after normal completion
1173	<	* of either source
1174	<	*/
1175	<	public void testRunAfterEither() {
1176	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1177	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1178	<	Noop r = new Noop();
1179	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1180	<	f.complete(one);
1181	<	checkCompletedNormally(g, null);
1182	<	f2.complete(one);
1183	<	checkCompletedNormally(g, null);
1184	<	assertTrue(r.ran);
1185	<
1186	<	r = new Noop();
1187	<	f = new CompletableFuture<>();
1188	<	f.complete(one);
1189	<	f2 = new CompletableFuture<>();
1190	<	g = f.runAfterEither(f2, r);
1191	<	checkCompletedNormally(g, null);
1192	<	assertTrue(r.ran);
1193	<	}
1194	<
1195	<	/**
1196	<	* runAfterEither result completes exceptionally after exceptional
1197	<	* completion of either source
1198	<	*/
1199	<	public void testRunAfterEither2() {
1200	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1201	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1202	<	Noop r = new Noop();
1203	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1204	<	f.completeExceptionally(new CFException());
1205	<	f2.complete(one);
1206	<	checkCompletedWithWrappedCFException(g);
1207	<
1208	<	r = new Noop();
1209	<	f = new CompletableFuture<>();
1210	<	f2 = new CompletableFuture<>();
1211	<	f2.completeExceptionally(new CFException());
1212	<	g = f.runAfterEither(f2, r);
1213	<	checkCompletedWithWrappedCFException(g);
1214	<	}
1215	<
1216	<	/**
1217	<	* runAfterEither result completes exceptionally if action does
1218	<	*/
1219	<	public void testRunAfterEither3() {
1220	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1221	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1222	<	FailingNoop r = new FailingNoop();
1223	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1224	<	f2.complete(two);
1225	<	checkCompletedWithWrappedCFException(g);
1226	<	}
994	>	checkCancelled(f);
995	>	assertEquals(1, a.get());
996	>	}}
997
998		/**
999	<	* runAfterEither result completes exceptionally if either source cancelled
999	>	* If a whenComplete action throws an exception when triggered by
1000	>	* a normal completion, it completes exceptionally
1001		*/
1002	<	public void testRunAfterEither4() {
1003	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1004	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1005	<	Noop r = new Noop();
1006	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1007	<	assertTrue(f.cancel(true));
1008	<	checkCompletedWithWrappedCancellationException(g);
1009	<	f = new CompletableFuture<>();
1010	<	f2 = new CompletableFuture<>();
1011	<	assertTrue(f2.cancel(true));
1012	<	checkCompletedWithWrappedCancellationException(g);
1013	<	}
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 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	>	checkCompletedWithWrappedException(g, ex);
1023	>	checkCompletedNormally(f, v1);
1024	>	assertEquals(1, a.get());
1025	>	}}
1026
1027		/**
1028	<	* thenCompose result completes normally after normal completion of source
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 testThenCompose() {
1033	<	CompletableFuture<Integer> f, g;
1034	<	CompletableFutureInc r;
1035	<
1036	<	f = new CompletableFuture<>();
1037	<	g = f.thenCompose(r = new CompletableFutureInc());
1038	<	f.complete(one);
1039	<	checkCompletedNormally(g, two);
1040	<	assertTrue(r.ran);
1041	<
1042	<	f = new CompletableFuture<>();
1043	<	f.complete(one);
1044	<	g = f.thenCompose(r = new CompletableFutureInc());
1045	<	checkCompletedNormally(g, two);
1046	<	assertTrue(r.ran);
1047	<	}
1032	>	public void testWhenComplete_sourceFailedActionFailed() {
1033	>	for (boolean createIncomplete : new boolean[] { true, false })
1034	>	for (ExecutionMode m : ExecutionMode.values())
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<>();
1040	>
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	>	assertEquals(1, a.get());
1060	>	}}
1061
1062		/**
1063	<	* thenCompose result completes exceptionally after exceptional
1063	>	* handle action completes normally with function value on normal
1064		* completion of source
1065		*/
1066	<	public void testThenCompose2() {
1067	<	CompletableFuture<Integer> f, g;
1068	<	CompletableFutureInc r;
1069	<
1070	<	f = new CompletableFuture<>();
1071	<	g = f.thenCompose(r = new CompletableFutureInc());
1072	<	f.completeExceptionally(new CFException());
1073	<	checkCompletedWithWrappedCFException(g);
1074	<
1075	<	f = new CompletableFuture<>();
1076	<	f.completeExceptionally(new CFException());
1077	<	g = f.thenCompose(r = new CompletableFutureInc());
1078	<	checkCompletedWithWrappedCFException(g);
1079	<	}
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	>	{
1071	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
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	>	checkCompletedNormally(g, inc(v1));
1086	>	checkCompletedNormally(f, v1);
1087	>	assertEquals(1, a.get());
1088	>	}}
1089
1090		/**
1091	<	* thenCompose result completes exceptionally if action does
1091	>	* handle action completes normally with function value on
1092	>	* exceptional completion of source
1093		*/
1094	<	public void testThenCompose3() {
1095	<	CompletableFuture<Integer> f, g;
1096	<	FailingCompletableFutureFunction r;
1097	<
1098	<	f = new CompletableFuture<>();
1099	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1100	<	f.complete(one);
1101	<	checkCompletedWithWrappedCFException(g);
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	>	{
1099	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
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	>	checkCompletedNormally(g, v1);
1115	>	checkCompletedExceptionally(f, ex);
1116	>	assertEquals(1, a.get());
1117	>	}}
1118	>
1119	>	/**
1120	>	* handle action completes normally with function value on
1121	>	* cancelled source
1122	>	*/
1123	>	public void testHandle_sourceCancelled() {
1124	>	for (ExecutionMode m : ExecutionMode.values())
1125	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
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 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
1143	<	f = new CompletableFuture<>();
1144	<	f.complete(one);
1145	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1146	<	checkCompletedWithWrappedCFException(g);
1299	<	}
1143	>	checkCompletedNormally(g, v1);
1144	>	checkCancelled(f);
1145	>	assertEquals(1, a.get());
1146	>	}}
1147
1148		/**
1149	<	* thenCompose result completes exceptionally if source cancelled
1149	>	* If a "handle action" throws an exception when triggered by
1150	>	* a normal completion, it completes exceptionally
1151		*/
1152	<	public void testThenCompose4() {
1153	<	CompletableFuture<Integer> f, g;
1154	<	CompletableFutureInc r;
1155	<
1156	<	f = new CompletableFuture<>();
1157	<	g = f.thenCompose(r = new CompletableFutureInc());
1158	<	assertTrue(f.cancel(true));
1159	<	checkCompletedWithWrappedCancellationException(g);
1160	<
1161	<	f = new CompletableFuture<>();
1162	<	assertTrue(f.cancel(true));
1163	<	g = f.thenCompose(r = new CompletableFutureInc());
1164	<	checkCompletedWithWrappedCancellationException(g);
1165	<	}
1166	<
1167	<	// asyncs
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	>	checkCompletedWithWrappedException(g, ex);
1173	>	checkCompletedNormally(f, v1);
1174	>	assertEquals(1, a.get());
1175	>	}}
1176	>
1177	>	/**
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 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	>	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	<	* thenRunAsync result completes normally after normal completion of source
1209	>	* runAsync completes after running Runnable
1210		*/
1211	<	public void testThenRunAsync() {
1212	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1213	<	Noop r = new Noop();
1214	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1215	<	f.complete(null);
1216	<	checkCompletedNormally(g, null);
1217	<
1218	<	// reordered version
1219	<	f = new CompletableFuture<>();
1220	<	f.complete(null);
1221	<	r = new Noop();
1222	<	g = f.thenRunAsync(r);
1223	<	checkCompletedNormally(g, null);
1337	<	}
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	<	* thenRunAsync result completes exceptionally after exceptional
1341	<	* completion of source
1226	>	* failing runAsync completes exceptionally after running Runnable
1227		*/
1228	<	public void testThenRunAsync2() {
1229	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1230	<	Noop r = new Noop();
1231	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1232	<	f.completeExceptionally(new CFException());
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	>	@SuppressWarnings("FutureReturnValueIgnored")
1242	>	public void testRunAsync_rejectingExecutor() {
1243	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1244		try {
1245	<	g.join();
1245	>	CompletableFuture.runAsync(() -> {}, e);
1246		shouldThrow();
1247	<	} catch (CompletionException success) {}
1248	<	checkCompletedWithWrappedCFException(g);
1249	<	}
1354	<
1355	<	/**
1356	<	* thenRunAsync result completes exceptionally if action does
1357	<	*/
1358	<	public void testThenRunAsync3() {
1359	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1360	<	FailingNoop r = new FailingNoop();
1361	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1362	<	f.complete(null);
1363	<	checkCompletedWithWrappedCFException(g);
1364	<	}
1247	>	} catch (Throwable t) {
1248	>	assertSame(e.ex, t);
1249	>	}
1250
1251	<	/**
1367	<	* thenRunAsync result completes exceptionally if source cancelled
1368	<	*/
1369	<	public void testThenRunAsync4() {
1370	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1371	<	Noop r = new Noop();
1372	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1373	<	assertTrue(f.cancel(true));
1374	<	checkCompletedWithWrappedCancellationException(g);
1251	>	assertEquals(1, e.count.get());
1252		}
1253
1254		/**
1255	<	* thenApplyAsync result completes normally after normal completion of source
1255	>	* supplyAsync completes with result of supplier
1256		*/
1257	<	public void testThenApplyAsync() {
1258	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1259	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1260	<	f.complete(one);
1261	<	checkCompletedNormally(g, two);
1262	<	}
1257	>	public void testSupplyAsync_normalCompletion() {
1258	>	ExecutionMode[] executionModes = {
1259	>	ExecutionMode.ASYNC,
1260	>	ExecutionMode.EXECUTOR,
1261	>	};
1262	>	for (ExecutionMode m : executionModes)
1263	>	for (Integer v1 : new Integer[] { 1, null })
1264	>	{
1265	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1266	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1267	>	assertSame(v1, f.join());
1268	>	checkCompletedNormally(f, v1);
1269	>	r.assertInvoked();
1270	>	}}
1271
1272		/**
1273	<	* thenApplyAsync result completes exceptionally after exceptional
1389	<	* completion of source
1273	>	* Failing supplyAsync completes exceptionally
1274		*/
1275	<	public void testThenApplyAsync2() {
1276	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1277	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1278	<	f.completeExceptionally(new CFException());
1279	<	checkCompletedWithWrappedCFException(g);
1280	<	}
1275	>	public void testSupplyAsync_exceptionalCompletion() {
1276	>	ExecutionMode[] executionModes = {
1277	>	ExecutionMode.ASYNC,
1278	>	ExecutionMode.EXECUTOR,
1279	>	};
1280	>	for (ExecutionMode m : executionModes)
1281	>	{
1282	>	FailingSupplier r = new FailingSupplier(m);
1283	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1284	>	checkCompletedWithWrappedException(f, r.ex);
1285	>	r.assertInvoked();
1286	>	}}
1287	>
1288	>	@SuppressWarnings("FutureReturnValueIgnored")
1289	>	public void testSupplyAsync_rejectingExecutor() {
1290	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1291	>	try {
1292	>	CompletableFuture.supplyAsync(() -> null, e);
1293	>	shouldThrow();
1294	>	} catch (Throwable t) {
1295	>	assertSame(e.ex, t);
1296	>	}
1297
1298	<	/**
1399	<	* thenApplyAsync result completes exceptionally if action does
1400	<	*/
1401	<	public void testThenApplyAsync3() {
1402	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1403	<	FailingFunction r = new FailingFunction();
1404	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1405	<	f.complete(null);
1406	<	checkCompletedWithWrappedCFException(g);
1298	>	assertEquals(1, e.count.get());
1299		}
1300
1301	<	/**
1410	<	* thenApplyAsync result completes exceptionally if source cancelled
1411	<	*/
1412	<	public void testThenApplyAsync4() {
1413	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1414	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1415	<	assertTrue(f.cancel(true));
1416	<	checkCompletedWithWrappedCancellationException(g);
1417	<	}
1301	>	// seq completion methods
1302
1303		/**
1304	<	* thenAcceptAsync result completes normally after normal
1421	<	* completion of source
1304	>	* thenRun result completes normally after normal completion of source
1305		*/
1306	<	public void testThenAcceptAsync() {
1307	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1308	<	IncAction r = new IncAction();
1309	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1310	<	f.complete(one);
1311	<	checkCompletedNormally(g, null);
1312	<	assertEquals(r.value, 2);
1313	<	}
1306	>	public void testThenRun_normalCompletion() {
1307	>	for (ExecutionMode m : ExecutionMode.values())
1308	>	for (Integer v1 : new Integer[] { 1, null })
1309	>	{
1310	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1311	>	final Noop[] rs = new Noop[6];
1312	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1313	>
1314	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1315	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1316	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1317	>	checkIncomplete(h0);
1318	>	checkIncomplete(h1);
1319	>	checkIncomplete(h2);
1320	>	assertTrue(f.complete(v1));
1321	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1322	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1323	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1324	>
1325	>	checkCompletedNormally(h0, null);
1326	>	checkCompletedNormally(h1, null);
1327	>	checkCompletedNormally(h2, null);
1328	>	checkCompletedNormally(h3, null);
1329	>	checkCompletedNormally(h4, null);
1330	>	checkCompletedNormally(h5, null);
1331	>	checkCompletedNormally(f, v1);
1332	>	for (Noop r : rs) r.assertInvoked();
1333	>	}}
1334
1335		/**
1336	<	* thenAcceptAsync result completes exceptionally after exceptional
1336	>	* thenRun result completes exceptionally after exceptional
1337		* completion of source
1338		*/
1339	<	public void testThenAcceptAsync2() {
1340	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1341	<	IncAction r = new IncAction();
1342	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1343	<	f.completeExceptionally(new CFException());
1344	<	checkCompletedWithWrappedCFException(g);
1345	<	}
1346	<
1347	<	/**
1348	<	* thenAcceptAsync result completes exceptionally if action does
1349	<	*/
1350	<	public void testThenAcceptAsync3() {
1351	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1352	<	FailingConsumer r = new FailingConsumer();
1353	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1354	<	f.complete(null);
1355	<	checkCompletedWithWrappedCFException(g);
1356	<	}
1357	<
1358	<	/**
1359	<	* thenAcceptAsync result completes exceptionally if source cancelled
1360	<	*/
1361	<	public void testThenAcceptAsync4() {
1362	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1363	<	IncAction r = new IncAction();
1364	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1365	<	assertTrue(f.cancel(true));
1366	<	checkCompletedWithWrappedCancellationException(g);
1464	<	}
1465	<
1466	<	/**
1467	<	* thenCombineAsync result completes normally after normal
1468	<	* completion of sources
1469	<	*/
1470	<	public void testThenCombineAsync() {
1471	<	CompletableFuture<Integer> f, g, h;
1472	<
1473	<	f = new CompletableFuture<>();
1474	<	g = new CompletableFuture<>();
1475	<	h = f.thenCombineAsync(g, subtract);
1476	<	f.complete(3);
1477	<	checkIncomplete(h);
1478	<	g.complete(1);
1479	<	checkCompletedNormally(h, 2);
1480	<
1481	<	f = new CompletableFuture<>();
1482	<	g = new CompletableFuture<>();
1483	<	h = f.thenCombineAsync(g, subtract);
1484	<	g.complete(1);
1485	<	checkIncomplete(h);
1486	<	f.complete(3);
1487	<	checkCompletedNormally(h, 2);
1488	<
1489	<	f = new CompletableFuture<>();
1490	<	g = new CompletableFuture<>();
1491	<	g.complete(1);
1492	<	f.complete(3);
1493	<	h = f.thenCombineAsync(g, subtract);
1494	<	checkCompletedNormally(h, 2);
1495	<	}
1339	>	public void testThenRun_exceptionalCompletion() {
1340	>	for (ExecutionMode m : ExecutionMode.values())
1341	>	{
1342	>	final CFException ex = new CFException();
1343	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1344	>	final Noop[] rs = new Noop[6];
1345	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1346	>
1347	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1348	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1349	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1350	>	checkIncomplete(h0);
1351	>	checkIncomplete(h1);
1352	>	checkIncomplete(h2);
1353	>	assertTrue(f.completeExceptionally(ex));
1354	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1355	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1356	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1357	>
1358	>	checkCompletedWithWrappedException(h0, ex);
1359	>	checkCompletedWithWrappedException(h1, ex);
1360	>	checkCompletedWithWrappedException(h2, ex);
1361	>	checkCompletedWithWrappedException(h3, ex);
1362	>	checkCompletedWithWrappedException(h4, ex);
1363	>	checkCompletedWithWrappedException(h5, ex);
1364	>	checkCompletedExceptionally(f, ex);
1365	>	for (Noop r : rs) r.assertNotInvoked();
1366	>	}}
1367
1368		/**
1369	<	* thenCombineAsync result completes exceptionally after exceptional
1499	<	* completion of either source
1369	>	* thenRun result completes exceptionally if source cancelled
1370		*/
1371	<	public void testThenCombineAsync2() {
1372	<	CompletableFuture<Integer> f, g, h;
1373	<
1374	<	f = new CompletableFuture<>();
1375	<	g = new CompletableFuture<>();
1376	<	h = f.thenCombineAsync(g, subtract);
1377	<	f.completeExceptionally(new CFException());
1378	<	checkIncomplete(h);
1379	<	g.complete(1);
1380	<	checkCompletedWithWrappedCFException(h);
1381	<
1382	<	f = new CompletableFuture<>();
1383	<	g = new CompletableFuture<>();
1384	<	h = f.thenCombineAsync(g, subtract);
1385	<	g.completeExceptionally(new CFException());
1386	<	checkIncomplete(h);
1387	<	f.complete(3);
1388	<	checkCompletedWithWrappedCFException(h);
1389	<
1390	<	f = new CompletableFuture<>();
1391	<	g = new CompletableFuture<>();
1392	<	g.completeExceptionally(new CFException());
1393	<	f.complete(3);
1394	<	h = f.thenCombineAsync(g, subtract);
1395	<	checkCompletedWithWrappedCFException(h);
1396	<	}
1371	>	public void testThenRun_sourceCancelled() {
1372	>	for (ExecutionMode m : ExecutionMode.values())
1373	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1374	>	{
1375	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1376	>	final Noop[] rs = new Noop[6];
1377	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1378	>
1379	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1380	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1381	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1382	>	checkIncomplete(h0);
1383	>	checkIncomplete(h1);
1384	>	checkIncomplete(h2);
1385	>	assertTrue(f.cancel(mayInterruptIfRunning));
1386	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1387	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1388	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1389	>
1390	>	checkCompletedWithWrappedCancellationException(h0);
1391	>	checkCompletedWithWrappedCancellationException(h1);
1392	>	checkCompletedWithWrappedCancellationException(h2);
1393	>	checkCompletedWithWrappedCancellationException(h3);
1394	>	checkCompletedWithWrappedCancellationException(h4);
1395	>	checkCompletedWithWrappedCancellationException(h5);
1396	>	checkCancelled(f);
1397	>	for (Noop r : rs) r.assertNotInvoked();
1398	>	}}
1399
1400		/**
1401	<	* thenCombineAsync result completes exceptionally if action does
1401	>	* thenRun result completes exceptionally if action does
1402		*/
1403	<	public void testThenCombineAsync3() {
1404	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1405	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1406	<	FailingBiFunction r = new FailingBiFunction();
1407	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1408	<	f.complete(one);
1409	<	checkIncomplete(g);
1410	<	assertFalse(r.ran);
1411	<	f2.complete(two);
1412	<	checkCompletedWithWrappedCFException(g);
1413	<	assertTrue(r.ran);
1414	<	}
1403	>	public void testThenRun_actionFailed() {
1404	>	for (ExecutionMode m : ExecutionMode.values())
1405	>	for (Integer v1 : new Integer[] { 1, null })
1406	>	{
1407	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1408	>	final FailingRunnable[] rs = new FailingRunnable[6];
1409	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1410	>
1411	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1412	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1413	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1414	>	assertTrue(f.complete(v1));
1415	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1416	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1417	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1418	>
1419	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1420	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1421	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1422	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1423	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1424	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1425	>	checkCompletedNormally(f, v1);
1426	>	}}
1427
1428		/**
1429	<	* thenCombineAsync result completes exceptionally if either source cancelled
1546	<	*/
1547	<	public void testThenCombineAsync4() {
1548	<	CompletableFuture<Integer> f, g, h;
1549	<
1550	<	f = new CompletableFuture<>();
1551	<	g = new CompletableFuture<>();
1552	<	h = f.thenCombineAsync(g, subtract);
1553	<	assertTrue(f.cancel(true));
1554	<	checkIncomplete(h);
1555	<	g.complete(1);
1556	<	checkCompletedWithWrappedCancellationException(h);
1557	<
1558	<	f = new CompletableFuture<>();
1559	<	g = new CompletableFuture<>();
1560	<	h = f.thenCombineAsync(g, subtract);
1561	<	assertTrue(g.cancel(true));
1562	<	checkIncomplete(h);
1563	<	f.complete(3);
1564	<	checkCompletedWithWrappedCancellationException(h);
1565	<
1566	<	f = new CompletableFuture<>();
1567	<	g = new CompletableFuture<>();
1568	<	g.complete(3);
1569	<	assertTrue(f.cancel(true));
1570	<	h = f.thenCombineAsync(g, subtract);
1571	<	checkCompletedWithWrappedCancellationException(h);
1572	<
1573	<	f = new CompletableFuture<>();
1574	<	g = new CompletableFuture<>();
1575	<	f.complete(3);
1576	<	assertTrue(g.cancel(true));
1577	<	h = f.thenCombineAsync(g, subtract);
1578	<	checkCompletedWithWrappedCancellationException(h);
1579	<	}
1580	<
1581	<	/**
1582	<	* thenAcceptBothAsync result completes normally after normal
1583	<	* completion of sources
1429	>	* thenApply result completes normally after normal completion of source
1430		*/
1431	<	public void testThenAcceptBothAsync() {
1432	<	CompletableFuture<Integer> f, g;
1433	<	CompletableFuture<Void> h;
1434	<	SubtractAction r;
1435	<
1436	<	f = new CompletableFuture<>();
1437	<	g = new CompletableFuture<>();
1438	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1439	<	f.complete(3);
1440	<	checkIncomplete(h);
1441	<	g.complete(1);
1442	<	checkCompletedNormally(h, null);
1443	<	assertEquals(r.value, 2);
1444	<
1445	<	f = new CompletableFuture<>();
1446	<	g = new CompletableFuture<>();
1447	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1448	<	g.complete(1);
1449	<	checkIncomplete(h);
1450	<	f.complete(3);
1451	<	checkCompletedNormally(h, null);
1452	<	assertEquals(r.value, 2);
1453	<
1608	<	f = new CompletableFuture<>();
1609	<	g = new CompletableFuture<>();
1610	<	g.complete(1);
1611	<	f.complete(3);
1612	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1613	<	checkCompletedNormally(h, null);
1614	<	assertEquals(r.value, 2);
1615	<	}
1431	>	public void testThenApply_normalCompletion() {
1432	>	for (ExecutionMode m : ExecutionMode.values())
1433	>	for (Integer v1 : new Integer[] { 1, null })
1434	>	{
1435	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1436	>	final IncFunction[] rs = new IncFunction[4];
1437	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1438	>
1439	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1440	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1441	>	checkIncomplete(h0);
1442	>	checkIncomplete(h1);
1443	>	assertTrue(f.complete(v1));
1444	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1445	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1446	>
1447	>	checkCompletedNormally(h0, inc(v1));
1448	>	checkCompletedNormally(h1, inc(v1));
1449	>	checkCompletedNormally(h2, inc(v1));
1450	>	checkCompletedNormally(h3, inc(v1));
1451	>	checkCompletedNormally(f, v1);
1452	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1453	>	}}
1454
1455		/**
1456	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1456	>	* thenApply result completes exceptionally after exceptional
1457		* completion of source
1458		*/
1459	<	public void testThenAcceptBothAsync2() {
1460	<	CompletableFuture<Integer> f, g;
1461	<	CompletableFuture<Void> h;
1462	<	SubtractAction r;
1463	<
1464	<	f = new CompletableFuture<>();
1465	<	g = new CompletableFuture<>();
1466	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1467	<	f.completeExceptionally(new CFException());
1468	<	checkIncomplete(h);
1469	<	g.complete(1);
1470	<	checkCompletedWithWrappedCFException(h);
1471	<
1472	<	f = new CompletableFuture<>();
1473	<	g = new CompletableFuture<>();
1474	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1475	<	g.completeExceptionally(new CFException());
1476	<	checkIncomplete(h);
1477	<	f.complete(3);
1478	<	checkCompletedWithWrappedCFException(h);
1479	<
1642	<	f = new CompletableFuture<>();
1643	<	g = new CompletableFuture<>();
1644	<	f.complete(3);
1645	<	g.completeExceptionally(new CFException());
1646	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1647	<	checkCompletedWithWrappedCFException(h);
1648	<
1649	<	f = new CompletableFuture<>();
1650	<	g = new CompletableFuture<>();
1651	<	f.completeExceptionally(new CFException());
1652	<	g.complete(3);
1653	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1654	<	checkCompletedWithWrappedCFException(h);
1655	<	}
1459	>	public void testThenApply_exceptionalCompletion() {
1460	>	for (ExecutionMode m : ExecutionMode.values())
1461	>	{
1462	>	final CFException ex = new CFException();
1463	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1464	>	final IncFunction[] rs = new IncFunction[4];
1465	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1466	>
1467	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1468	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1469	>	assertTrue(f.completeExceptionally(ex));
1470	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1471	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1472	>
1473	>	checkCompletedWithWrappedException(h0, ex);
1474	>	checkCompletedWithWrappedException(h1, ex);
1475	>	checkCompletedWithWrappedException(h2, ex);
1476	>	checkCompletedWithWrappedException(h3, ex);
1477	>	checkCompletedExceptionally(f, ex);
1478	>	for (IncFunction r : rs) r.assertNotInvoked();
1479	>	}}
1480
1481		/**
1482	<	* thenAcceptBothAsync result completes exceptionally if action does
1482	>	* thenApply result completes exceptionally if source cancelled
1483		*/
1484	<	public void testThenAcceptBothAsync3() {
1485	<	CompletableFuture<Integer> f, g;
1486	<	CompletableFuture<Void> h;
1487	<	FailingBiConsumer r;
1488	<
1489	<	f = new CompletableFuture<>();
1490	<	g = new CompletableFuture<>();
1491	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1492	<	f.complete(3);
1493	<	checkIncomplete(h);
1494	<	g.complete(1);
1495	<	checkCompletedWithWrappedCFException(h);
1496	<
1497	<	f = new CompletableFuture<>();
1498	<	g = new CompletableFuture<>();
1499	<	f.complete(3);
1500	<	g.complete(1);
1501	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1502	<	checkCompletedWithWrappedCFException(h);
1503	<	}
1484	>	public void testThenApply_sourceCancelled() {
1485	>	for (ExecutionMode m : ExecutionMode.values())
1486	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1487	>	{
1488	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1489	>	final IncFunction[] rs = new IncFunction[4];
1490	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1491	>
1492	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1493	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1494	>	assertTrue(f.cancel(mayInterruptIfRunning));
1495	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1496	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1497	>
1498	>	checkCompletedWithWrappedCancellationException(h0);
1499	>	checkCompletedWithWrappedCancellationException(h1);
1500	>	checkCompletedWithWrappedCancellationException(h2);
1501	>	checkCompletedWithWrappedCancellationException(h3);
1502	>	checkCancelled(f);
1503	>	for (IncFunction r : rs) r.assertNotInvoked();
1504	>	}}
1505
1506		/**
1507	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1507	>	* thenApply result completes exceptionally if action does
1508		*/
1509	<	public void testThenAcceptBothAsync4() {
1510	<	CompletableFuture<Integer> f, g;
1511	<	CompletableFuture<Void> h;
1512	<	SubtractAction r;
1513	<
1514	<	f = new CompletableFuture<>();
1515	<	g = new CompletableFuture<>();
1516	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1517	<	assertTrue(f.cancel(true));
1518	<	checkIncomplete(h);
1519	<	g.complete(1);
1520	<	checkCompletedWithWrappedCancellationException(h);
1521	<
1522	<	f = new CompletableFuture<>();
1523	<	g = new CompletableFuture<>();
1524	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1525	<	assertTrue(g.cancel(true));
1526	<	checkIncomplete(h);
1527	<	f.complete(3);
1528	<	checkCompletedWithWrappedCancellationException(h);
1704	<
1705	<	f = new CompletableFuture<>();
1706	<	g = new CompletableFuture<>();
1707	<	f.complete(3);
1708	<	assertTrue(g.cancel(true));
1709	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1710	<	checkCompletedWithWrappedCancellationException(h);
1711	<
1712	<	f = new CompletableFuture<>();
1713	<	g = new CompletableFuture<>();
1714	<	assertTrue(f.cancel(true));
1715	<	g.complete(3);
1716	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1717	<	checkCompletedWithWrappedCancellationException(h);
1718	<	}
1509	>	public void testThenApply_actionFailed() {
1510	>	for (ExecutionMode m : ExecutionMode.values())
1511	>	for (Integer v1 : new Integer[] { 1, null })
1512	>	{
1513	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1514	>	final FailingFunction[] rs = new FailingFunction[4];
1515	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1516	>
1517	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1518	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1519	>	assertTrue(f.complete(v1));
1520	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1521	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1522	>
1523	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1524	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1525	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1526	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1527	>	checkCompletedNormally(f, v1);
1528	>	}}
1529
1530		/**
1531	<	* runAfterBothAsync result completes normally after normal
1722	<	* completion of sources
1531	>	* thenAccept result completes normally after normal completion of source
1532		*/
1533	<	public void testRunAfterBothAsync() {
1534	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1535	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1536	<	Noop r = new Noop();
1537	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1538	<	f.complete(one);
1539	<	checkIncomplete(g);
1540	<	f2.complete(two);
1541	<	checkCompletedNormally(g, null);
1542	<	assertTrue(r.ran);
1543	<	}
1533	>	public void testThenAccept_normalCompletion() {
1534	>	for (ExecutionMode m : ExecutionMode.values())
1535	>	for (Integer v1 : new Integer[] { 1, null })
1536	>	{
1537	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1538	>	final NoopConsumer[] rs = new NoopConsumer[4];
1539	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1540	>
1541	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1542	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1543	>	checkIncomplete(h0);
1544	>	checkIncomplete(h1);
1545	>	assertTrue(f.complete(v1));
1546	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1547	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1548	>
1549	>	checkCompletedNormally(h0, null);
1550	>	checkCompletedNormally(h1, null);
1551	>	checkCompletedNormally(h2, null);
1552	>	checkCompletedNormally(h3, null);
1553	>	checkCompletedNormally(f, v1);
1554	>	for (NoopConsumer r : rs) r.assertValue(v1);
1555	>	}}
1556
1557		/**
1558	<	* runAfterBothAsync result completes exceptionally after exceptional
1558	>	* thenAccept result completes exceptionally after exceptional
1559		* completion of source
1560		*/
1561	<	public void testRunAfterBothAsync2() {
1562	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1563	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1564	<	Noop r = new Noop();
1565	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1566	<	f.completeExceptionally(new CFException());
1567	<	f2.complete(two);
1568	<	checkCompletedWithWrappedCFException(g);
1569	<
1570	<	r = new Noop();
1571	<	f = new CompletableFuture<>();
1572	<	f2 = new CompletableFuture<>();
1573	<	g = f.runAfterBothAsync(f2, r);
1574	<	f.complete(one);
1575	<	f2.completeExceptionally(new CFException());
1576	<	checkCompletedWithWrappedCFException(g);
1577	<	}
1561	>	public void testThenAccept_exceptionalCompletion() {
1562	>	for (ExecutionMode m : ExecutionMode.values())
1563	>	{
1564	>	final CFException ex = new CFException();
1565	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1566	>	final NoopConsumer[] rs = new NoopConsumer[4];
1567	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1568	>
1569	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1570	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1571	>	assertTrue(f.completeExceptionally(ex));
1572	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1573	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1574	>
1575	>	checkCompletedWithWrappedException(h0, ex);
1576	>	checkCompletedWithWrappedException(h1, ex);
1577	>	checkCompletedWithWrappedException(h2, ex);
1578	>	checkCompletedWithWrappedException(h3, ex);
1579	>	checkCompletedExceptionally(f, ex);
1580	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1581	>	}}
1582
1583		/**
1584	<	* runAfterBothAsync result completes exceptionally if action does
1584	>	* thenAccept result completes exceptionally if source cancelled
1585		*/
1586	<	public void testRunAfterBothAsync3() {
1587	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1588	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1589	<	FailingNoop r = new FailingNoop();
1590	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1591	<	f.complete(one);
1592	<	checkIncomplete(g);
1593	<	f2.complete(two);
1594	<	checkCompletedWithWrappedCFException(g);
1595	<	}
1586	>	public void testThenAccept_sourceCancelled() {
1587	>	for (ExecutionMode m : ExecutionMode.values())
1588	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1589	>	{
1590	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1591	>	final NoopConsumer[] rs = new NoopConsumer[4];
1592	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1593	>
1594	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1595	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1596	>	assertTrue(f.cancel(mayInterruptIfRunning));
1597	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1598	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1599	>
1600	>	checkCompletedWithWrappedCancellationException(h0);
1601	>	checkCompletedWithWrappedCancellationException(h1);
1602	>	checkCompletedWithWrappedCancellationException(h2);
1603	>	checkCompletedWithWrappedCancellationException(h3);
1604	>	checkCancelled(f);
1605	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1606	>	}}
1607
1608		/**
1609	<	* runAfterBothAsync result completes exceptionally if either source cancelled
1609	>	* thenAccept result completes exceptionally if action does
1610		*/
1611	<	public void testRunAfterBothAsync4() {
1612	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1613	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1614	<	Noop r = new Noop();
1615	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1616	<	assertTrue(f.cancel(true));
1617	<	f2.complete(two);
1618	<	checkCompletedWithWrappedCancellationException(g);
1619	<
1620	<	r = new Noop();
1621	<	f = new CompletableFuture<>();
1622	<	f2 = new CompletableFuture<>();
1623	<	g = f.runAfterBothAsync(f2, r);
1624	<	f.complete(one);
1625	<	assertTrue(f2.cancel(true));
1626	<	checkCompletedWithWrappedCancellationException(g);
1627	<	}
1611	>	public void testThenAccept_actionFailed() {
1612	>	for (ExecutionMode m : ExecutionMode.values())
1613	>	for (Integer v1 : new Integer[] { 1, null })
1614	>	{
1615	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1616	>	final FailingConsumer[] rs = new FailingConsumer[4];
1617	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1618	>
1619	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1620	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1621	>	assertTrue(f.complete(v1));
1622	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1623	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1624	>
1625	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1626	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1627	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1628	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1629	>	checkCompletedNormally(f, v1);
1630	>	}}
1631
1632		/**
1633	<	* applyToEitherAsync result completes normally after normal
1634	<	* completion of sources
1633	>	* thenCombine result completes normally after normal completion
1634	>	* of sources
1635		*/
1636	<	public void testApplyToEitherAsync() {
1637	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1638	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1639	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1640	<	f.complete(one);
1641	<	checkCompletedNormally(g, two);
1642	<
1643	<	f = new CompletableFuture<>();
1644	<	f.complete(one);
1645	<	f2 = new CompletableFuture<>();
1646	<	g = f.applyToEitherAsync(f2, inc);
1647	<	checkCompletedNormally(g, two);
1648	<	}
1636	>	public void testThenCombine_normalCompletion() {
1637	>	for (ExecutionMode m : ExecutionMode.values())
1638	>	for (boolean fFirst : new boolean[] { true, false })
1639	>	for (Integer v1 : new Integer[] { 1, null })
1640	>	for (Integer v2 : new Integer[] { 2, null })
1641	>	{
1642	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1643	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1644	>	final SubtractFunction[] rs = new SubtractFunction[6];
1645	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1646	>
1647	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1648	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1649	>	final Integer w1 =  fFirst ? v1 : v2;
1650	>	final Integer w2 = !fFirst ? v1 : v2;
1651	>
1652	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1653	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1654	>	assertTrue(fst.complete(w1));
1655	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1656	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1657	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1658	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1659	>	checkCompletedNormally(h1, subtract(w1, w1));
1660	>	checkCompletedNormally(h3, subtract(w1, w1));
1661	>	rs[1].assertValue(subtract(w1, w1));
1662	>	rs[3].assertValue(subtract(w1, w1));
1663	>	assertTrue(snd.complete(w2));
1664	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1665	>
1666	>	checkCompletedNormally(h0, subtract(v1, v2));
1667	>	checkCompletedNormally(h2, subtract(v1, v2));
1668	>	checkCompletedNormally(h4, subtract(v1, v2));
1669	>	rs[0].assertValue(subtract(v1, v2));
1670	>	rs[2].assertValue(subtract(v1, v2));
1671	>	rs[4].assertValue(subtract(v1, v2));
1672	>
1673	>	checkCompletedNormally(f, v1);
1674	>	checkCompletedNormally(g, v2);
1675	>	}}
1676
1677		/**
1678	<	* applyToEitherAsync result completes exceptionally after exceptional
1679	<	* completion of source
1678	>	* thenCombine result completes exceptionally after exceptional
1679	>	* completion of either source
1680		*/
1681	<	public void testApplyToEitherAsync2() {
1682	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1683	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1684	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1685	<	f.completeExceptionally(new CFException());
1686	<	checkCompletedWithWrappedCFException(g);
1687	<
1688	<	f = new CompletableFuture<>();
1689	<	f2 = new CompletableFuture<>();
1690	<	f2.completeExceptionally(new CFException());
1691	<	g = f.applyToEitherAsync(f2, inc);
1692	<	f.complete(one);
1693	<	checkCompletedWithWrappedCFException(g);
1694	<	}
1681	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1682	>	for (ExecutionMode m : ExecutionMode.values())
1683	>	for (boolean fFirst : new boolean[] { true, false })
1684	>	for (boolean failFirst : new boolean[] { true, false })
1685	>	for (Integer v1 : new Integer[] { 1, null })
1686	>	{
1687	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1688	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1689	>	final CFException ex = new CFException();
1690	>	final SubtractFunction r1 = new SubtractFunction(m);
1691	>	final SubtractFunction r2 = new SubtractFunction(m);
1692	>	final SubtractFunction r3 = new SubtractFunction(m);
1693	>
1694	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1695	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1696	>	final Callable<Boolean> complete1 = failFirst ?
1697	>	() -> fst.completeExceptionally(ex) :
1698	>	() -> fst.complete(v1);
1699	>	final Callable<Boolean> complete2 = failFirst ?
1700	>	() -> snd.complete(v1) :
1701	>	() -> snd.completeExceptionally(ex);
1702	>
1703	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1704	>	assertTrue(complete1.call());
1705	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1706	>	checkIncomplete(h1);
1707	>	checkIncomplete(h2);
1708	>	assertTrue(complete2.call());
1709	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1710	>
1711	>	checkCompletedWithWrappedException(h1, ex);
1712	>	checkCompletedWithWrappedException(h2, ex);
1713	>	checkCompletedWithWrappedException(h3, ex);
1714	>	r1.assertNotInvoked();
1715	>	r2.assertNotInvoked();
1716	>	r3.assertNotInvoked();
1717	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1718	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1719	>	}}
1720
1721		/**
1722	<	* applyToEitherAsync result completes exceptionally if action does
1722	>	* thenCombine result completes exceptionally if either source cancelled
1723		*/
1724	<	public void testApplyToEitherAsync3() {
1725	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1726	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1727	<	FailingFunction r = new FailingFunction();
1728	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1729	<	f.complete(one);
1730	<	checkCompletedWithWrappedCFException(g);
1731	<	}
1724	>	public void testThenCombine_sourceCancelled() throws Throwable {
1725	>	for (ExecutionMode m : ExecutionMode.values())
1726	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1727	>	for (boolean fFirst : new boolean[] { true, false })
1728	>	for (boolean failFirst : new boolean[] { true, false })
1729	>	for (Integer v1 : new Integer[] { 1, null })
1730	>	{
1731	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1732	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1733	>	final SubtractFunction r1 = new SubtractFunction(m);
1734	>	final SubtractFunction r2 = new SubtractFunction(m);
1735	>	final SubtractFunction r3 = new SubtractFunction(m);
1736	>
1737	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1738	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1739	>	final Callable<Boolean> complete1 = failFirst ?
1740	>	() -> fst.cancel(mayInterruptIfRunning) :
1741	>	() -> fst.complete(v1);
1742	>	final Callable<Boolean> complete2 = failFirst ?
1743	>	() -> snd.complete(v1) :
1744	>	() -> snd.cancel(mayInterruptIfRunning);
1745	>
1746	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1747	>	assertTrue(complete1.call());
1748	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1749	>	checkIncomplete(h1);
1750	>	checkIncomplete(h2);
1751	>	assertTrue(complete2.call());
1752	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1753	>
1754	>	checkCompletedWithWrappedCancellationException(h1);
1755	>	checkCompletedWithWrappedCancellationException(h2);
1756	>	checkCompletedWithWrappedCancellationException(h3);
1757	>	r1.assertNotInvoked();
1758	>	r2.assertNotInvoked();
1759	>	r3.assertNotInvoked();
1760	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1761	>	checkCancelled(failFirst ? fst : snd);
1762	>	}}
1763
1764		/**
1765	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1765	>	* thenCombine result completes exceptionally if action does
1766		*/
1767	<	public void testApplyToEitherAsync4() {
1768	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1769	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1770	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1771	<	assertTrue(f.cancel(true));
1772	<	checkCompletedWithWrappedCancellationException(g);
1773	<
1774	<	f = new CompletableFuture<>();
1775	<	f2 = new CompletableFuture<>();
1776	<	assertTrue(f2.cancel(true));
1777	<	g = f.applyToEitherAsync(f2, inc);
1778	<	checkCompletedWithWrappedCancellationException(g);
1779	<	}
1767	>	public void testThenCombine_actionFailed() {
1768	>	for (ExecutionMode m : ExecutionMode.values())
1769	>	for (boolean fFirst : new boolean[] { true, false })
1770	>	for (Integer v1 : new Integer[] { 1, null })
1771	>	for (Integer v2 : new Integer[] { 2, null })
1772	>	{
1773	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1774	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1775	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1776	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1777	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1778	>
1779	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1780	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1781	>	final Integer w1 =  fFirst ? v1 : v2;
1782	>	final Integer w2 = !fFirst ? v1 : v2;
1783	>
1784	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1785	>	assertTrue(fst.complete(w1));
1786	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1787	>	assertTrue(snd.complete(w2));
1788	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1789	>
1790	>	checkCompletedWithWrappedException(h1, r1.ex);
1791	>	checkCompletedWithWrappedException(h2, r2.ex);
1792	>	checkCompletedWithWrappedException(h3, r3.ex);
1793	>	r1.assertInvoked();
1794	>	r2.assertInvoked();
1795	>	r3.assertInvoked();
1796	>	checkCompletedNormally(f, v1);
1797	>	checkCompletedNormally(g, v2);
1798	>	}}
1799
1800		/**
1801	<	* acceptEitherAsync result completes normally after normal
1801	>	* thenAcceptBoth result completes normally after normal
1802		* completion of sources
1803		*/
1804	<	public void testAcceptEitherAsync() {
1805	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1806	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1807	<	IncAction r = new IncAction();
1808	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1809	<	f.complete(one);
1810	<	checkCompletedNormally(g, null);
1811	<	assertEquals(r.value, 2);
1812	<
1813	<	r = new IncAction();
1814	<	f = new CompletableFuture<>();
1815	<	f.complete(one);
1816	<	f2 = new CompletableFuture<>();
1817	<	g = f.acceptEitherAsync(f2, r);
1818	<	checkCompletedNormally(g, null);
1819	<	assertEquals(r.value, 2);
1820	<	}
1804	>	public void testThenAcceptBoth_normalCompletion() {
1805	>	for (ExecutionMode m : ExecutionMode.values())
1806	>	for (boolean fFirst : new boolean[] { true, false })
1807	>	for (Integer v1 : new Integer[] { 1, null })
1808	>	for (Integer v2 : new Integer[] { 2, null })
1809	>	{
1810	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1811	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1812	>	final SubtractAction r1 = new SubtractAction(m);
1813	>	final SubtractAction r2 = new SubtractAction(m);
1814	>	final SubtractAction r3 = new SubtractAction(m);
1815	>
1816	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1817	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1818	>	final Integer w1 =  fFirst ? v1 : v2;
1819	>	final Integer w2 = !fFirst ? v1 : v2;
1820	>
1821	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1822	>	assertTrue(fst.complete(w1));
1823	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1824	>	checkIncomplete(h1);
1825	>	checkIncomplete(h2);
1826	>	r1.assertNotInvoked();
1827	>	r2.assertNotInvoked();
1828	>	assertTrue(snd.complete(w2));
1829	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1830	>
1831	>	checkCompletedNormally(h1, null);
1832	>	checkCompletedNormally(h2, null);
1833	>	checkCompletedNormally(h3, null);
1834	>	r1.assertValue(subtract(v1, v2));
1835	>	r2.assertValue(subtract(v1, v2));
1836	>	r3.assertValue(subtract(v1, v2));
1837	>	checkCompletedNormally(f, v1);
1838	>	checkCompletedNormally(g, v2);
1839	>	}}
1840
1841		/**
1842	<	* acceptEitherAsync result completes exceptionally after exceptional
1843	<	* completion of source
1842	>	* thenAcceptBoth result completes exceptionally after exceptional
1843	>	* completion of either source
1844		*/
1845	<	public void testAcceptEitherAsync2() {
1846	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1847	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1848	<	IncAction r = new IncAction();
1849	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1850	<	f.completeExceptionally(new CFException());
1851	<	checkCompletedWithWrappedCFException(g);
1852	<
1853	<	r = new IncAction();
1854	<	f = new CompletableFuture<>();
1855	<	f2 = new CompletableFuture<>();
1856	<	f2.completeExceptionally(new CFException());
1857	<	g = f.acceptEitherAsync(f2, r);
1858	<	f.complete(one);
1859	<	checkCompletedWithWrappedCFException(g);
1860	<	}
1845	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1846	>	for (ExecutionMode m : ExecutionMode.values())
1847	>	for (boolean fFirst : new boolean[] { true, false })
1848	>	for (boolean failFirst : new boolean[] { true, false })
1849	>	for (Integer v1 : new Integer[] { 1, null })
1850	>	{
1851	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1852	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1853	>	final CFException ex = new CFException();
1854	>	final SubtractAction r1 = new SubtractAction(m);
1855	>	final SubtractAction r2 = new SubtractAction(m);
1856	>	final SubtractAction r3 = new SubtractAction(m);
1857	>
1858	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1859	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1860	>	final Callable<Boolean> complete1 = failFirst ?
1861	>	() -> fst.completeExceptionally(ex) :
1862	>	() -> fst.complete(v1);
1863	>	final Callable<Boolean> complete2 = failFirst ?
1864	>	() -> snd.complete(v1) :
1865	>	() -> snd.completeExceptionally(ex);
1866	>
1867	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1868	>	assertTrue(complete1.call());
1869	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1870	>	checkIncomplete(h1);
1871	>	checkIncomplete(h2);
1872	>	assertTrue(complete2.call());
1873	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1874	>
1875	>	checkCompletedWithWrappedException(h1, ex);
1876	>	checkCompletedWithWrappedException(h2, ex);
1877	>	checkCompletedWithWrappedException(h3, ex);
1878	>	r1.assertNotInvoked();
1879	>	r2.assertNotInvoked();
1880	>	r3.assertNotInvoked();
1881	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1882	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1883	>	}}
1884
1885		/**
1886	<	* acceptEitherAsync result completes exceptionally if action does
1886	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1887		*/
1888	<	public void testAcceptEitherAsync3() {
1889	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1890	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1891	<	FailingConsumer r = new FailingConsumer();
1892	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1893	<	f.complete(one);
1894	<	checkCompletedWithWrappedCFException(g);
1895	<	}
1888	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1889	>	for (ExecutionMode m : ExecutionMode.values())
1890	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1891	>	for (boolean fFirst : new boolean[] { true, false })
1892	>	for (boolean failFirst : new boolean[] { true, false })
1893	>	for (Integer v1 : new Integer[] { 1, null })
1894	>	{
1895	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1896	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1897	>	final SubtractAction r1 = new SubtractAction(m);
1898	>	final SubtractAction r2 = new SubtractAction(m);
1899	>	final SubtractAction r3 = new SubtractAction(m);
1900	>
1901	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1902	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1903	>	final Callable<Boolean> complete1 = failFirst ?
1904	>	() -> fst.cancel(mayInterruptIfRunning) :
1905	>	() -> fst.complete(v1);
1906	>	final Callable<Boolean> complete2 = failFirst ?
1907	>	() -> snd.complete(v1) :
1908	>	() -> snd.cancel(mayInterruptIfRunning);
1909	>
1910	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1911	>	assertTrue(complete1.call());
1912	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1913	>	checkIncomplete(h1);
1914	>	checkIncomplete(h2);
1915	>	assertTrue(complete2.call());
1916	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1917	>
1918	>	checkCompletedWithWrappedCancellationException(h1);
1919	>	checkCompletedWithWrappedCancellationException(h2);
1920	>	checkCompletedWithWrappedCancellationException(h3);
1921	>	r1.assertNotInvoked();
1922	>	r2.assertNotInvoked();
1923	>	r3.assertNotInvoked();
1924	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1925	>	checkCancelled(failFirst ? fst : snd);
1926	>	}}
1927
1928		/**
1929	<	* acceptEitherAsync result completes exceptionally if either
1916	<	* source cancelled
1929	>	* thenAcceptBoth result completes exceptionally if action does
1930		*/
1931	<	public void testAcceptEitherAsync4() {
1932	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1933	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1934	<	IncAction r = new IncAction();
1935	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1936	<	assertTrue(f.cancel(true));
1937	<	checkCompletedWithWrappedCancellationException(g);
1938	<
1939	<	r = new IncAction();
1940	<	f = new CompletableFuture<>();
1941	<	f2 = new CompletableFuture<>();
1942	<	assertTrue(f2.cancel(true));
1943	<	g = f.acceptEitherAsync(f2, r);
1944	<	checkCompletedWithWrappedCancellationException(g);
1945	<	}
1931	>	public void testThenAcceptBoth_actionFailed() {
1932	>	for (ExecutionMode m : ExecutionMode.values())
1933	>	for (boolean fFirst : new boolean[] { true, false })
1934	>	for (Integer v1 : new Integer[] { 1, null })
1935	>	for (Integer v2 : new Integer[] { 2, null })
1936	>	{
1937	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1938	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1939	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1940	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1941	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1942	>
1943	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1944	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1945	>	final Integer w1 =  fFirst ? v1 : v2;
1946	>	final Integer w2 = !fFirst ? v1 : v2;
1947	>
1948	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1949	>	assertTrue(fst.complete(w1));
1950	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1951	>	assertTrue(snd.complete(w2));
1952	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1953	>
1954	>	checkCompletedWithWrappedException(h1, r1.ex);
1955	>	checkCompletedWithWrappedException(h2, r2.ex);
1956	>	checkCompletedWithWrappedException(h3, r3.ex);
1957	>	r1.assertInvoked();
1958	>	r2.assertInvoked();
1959	>	r3.assertInvoked();
1960	>	checkCompletedNormally(f, v1);
1961	>	checkCompletedNormally(g, v2);
1962	>	}}
1963
1964		/**
1965	<	* runAfterEitherAsync result completes normally after normal
1965	>	* runAfterBoth result completes normally after normal
1966		* completion of sources
1967		*/
1968	<	public void testRunAfterEitherAsync() {
1969	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1970	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1971	<	Noop r = new Noop();
1972	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1973	<	f.complete(one);
1974	<	checkCompletedNormally(g, null);
1975	<	assertTrue(r.ran);
1976	<
1977	<	r = new Noop();
1978	<	f = new CompletableFuture<>();
1979	<	f.complete(one);
1980	<	f2 = new CompletableFuture<>();
1981	<	g = f.runAfterEitherAsync(f2, r);
1982	<	checkCompletedNormally(g, null);
1983	<	assertTrue(r.ran);
1984	<	}
1985	<
1986	<	/**
1987	<	* runAfterEitherAsync result completes exceptionally after exceptional
1988	<	* completion of source
1989	<	*/
1990	<	public void testRunAfterEitherAsync2() {
1991	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1992	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1993	<	Noop r = new Noop();
1994	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1995	<	f.completeExceptionally(new CFException());
1996	<	checkCompletedWithWrappedCFException(g);
1997	<
1998	<	r = new Noop();
1999	<	f = new CompletableFuture<>();
2000	<	f2 = new CompletableFuture<>();
2001	<	f2.completeExceptionally(new CFException());
2002	<	g = f.runAfterEitherAsync(f2, r);
2003	<	f.complete(one);
1974	<	checkCompletedWithWrappedCFException(g);
1975	<	}
1968	>	public void testRunAfterBoth_normalCompletion() {
1969	>	for (ExecutionMode m : ExecutionMode.values())
1970	>	for (boolean fFirst : new boolean[] { true, false })
1971	>	for (Integer v1 : new Integer[] { 1, null })
1972	>	for (Integer v2 : new Integer[] { 2, null })
1973	>	{
1974	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1975	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1976	>	final Noop r1 = new Noop(m);
1977	>	final Noop r2 = new Noop(m);
1978	>	final Noop r3 = new Noop(m);
1979	>
1980	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1981	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1982	>	final Integer w1 =  fFirst ? v1 : v2;
1983	>	final Integer w2 = !fFirst ? v1 : v2;
1984	>
1985	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1986	>	assertTrue(fst.complete(w1));
1987	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1988	>	checkIncomplete(h1);
1989	>	checkIncomplete(h2);
1990	>	r1.assertNotInvoked();
1991	>	r2.assertNotInvoked();
1992	>	assertTrue(snd.complete(w2));
1993	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1994	>
1995	>	checkCompletedNormally(h1, null);
1996	>	checkCompletedNormally(h2, null);
1997	>	checkCompletedNormally(h3, null);
1998	>	r1.assertInvoked();
1999	>	r2.assertInvoked();
2000	>	r3.assertInvoked();
2001	>	checkCompletedNormally(f, v1);
2002	>	checkCompletedNormally(g, v2);
2003	>	}}
2004
2005		/**
2006	<	* runAfterEitherAsync result completes exceptionally if action does
2007	<	*/
1980	<	public void testRunAfterEitherAsync3() {
1981	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1982	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1983	<	FailingNoop r = new FailingNoop();
1984	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1985	<	f.complete(one);
1986	<	checkCompletedWithWrappedCFException(g);
1987	<	}
1988	<
1989	<	/**
1990	<	* runAfterEitherAsync result completes exceptionally if either
1991	<	* source cancelled
1992	<	*/
1993	<	public void testRunAfterEitherAsync4() {
1994	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1995	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1996	<	Noop r = new Noop();
1997	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1998	<	assertTrue(f.cancel(true));
1999	<	checkCompletedWithWrappedCancellationException(g);
2000	<
2001	<	r = new Noop();
2002	<	f = new CompletableFuture<>();
2003	<	f2 = new CompletableFuture<>();
2004	<	assertTrue(f2.cancel(true));
2005	<	g = f.runAfterEitherAsync(f2, r);
2006	<	checkCompletedWithWrappedCancellationException(g);
2007	<	}
2008	<
2009	<	/**
2010	<	* thenComposeAsync result completes normally after normal
2011	<	* completion of source
2012	<	*/
2013	<	public void testThenComposeAsync() {
2014	<	CompletableFuture<Integer> f, g;
2015	<	CompletableFutureInc r;
2016	<
2017	<	f = new CompletableFuture<>();
2018	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2019	<	f.complete(one);
2020	<	checkCompletedNormally(g, two);
2021	<
2022	<	f = new CompletableFuture<>();
2023	<	f.complete(one);
2024	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2025	<	checkCompletedNormally(g, two);
2026	<	}
2027	<
2028	<	/**
2029	<	* thenComposeAsync result completes exceptionally after
2030	<	* exceptional completion of source
2006	>	* runAfterBoth result completes exceptionally after exceptional
2007	>	* completion of either source
2008		*/
2009	<	public void testThenComposeAsync2() {
2010	<	CompletableFuture<Integer> f, g;
2011	<	CompletableFutureInc r;
2012	<
2013	<	f = new CompletableFuture<>();
2014	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2015	<	f.completeExceptionally(new CFException());
2016	<	checkCompletedWithWrappedCFException(g);
2017	<	assertFalse(r.ran);
2018	<
2019	<	f = new CompletableFuture<>();
2020	<	f.completeExceptionally(new CFException());
2021	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2022	<	checkCompletedWithWrappedCFException(g);
2023	<	assertFalse(r.ran);
2024	<	}
2009	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2010	>	for (ExecutionMode m : ExecutionMode.values())
2011	>	for (boolean fFirst : new boolean[] { true, false })
2012	>	for (boolean failFirst : new boolean[] { true, false })
2013	>	for (Integer v1 : new Integer[] { 1, null })
2014	>	{
2015	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2016	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2017	>	final CFException ex = new CFException();
2018	>	final Noop r1 = new Noop(m);
2019	>	final Noop r2 = new Noop(m);
2020	>	final Noop r3 = new Noop(m);
2021	>
2022	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2023	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2024	>	final Callable<Boolean> complete1 = failFirst ?
2025	>	() -> fst.completeExceptionally(ex) :
2026	>	() -> fst.complete(v1);
2027	>	final Callable<Boolean> complete2 = failFirst ?
2028	>	() -> snd.complete(v1) :
2029	>	() -> snd.completeExceptionally(ex);
2030	>
2031	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2032	>	assertTrue(complete1.call());
2033	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2034	>	checkIncomplete(h1);
2035	>	checkIncomplete(h2);
2036	>	assertTrue(complete2.call());
2037	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2038	>
2039	>	checkCompletedWithWrappedException(h1, ex);
2040	>	checkCompletedWithWrappedException(h2, ex);
2041	>	checkCompletedWithWrappedException(h3, ex);
2042	>	r1.assertNotInvoked();
2043	>	r2.assertNotInvoked();
2044	>	r3.assertNotInvoked();
2045	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2046	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2047	>	}}
2048
2049		/**
2050	<	* thenComposeAsync result completes exceptionally if action does
2050	>	* runAfterBoth result completes exceptionally if either source cancelled
2051		*/
2052	<	public void testThenComposeAsync3() {
2053	<	CompletableFuture<Integer> f, g;
2054	<	FailingCompletableFutureFunction r;
2055	<
2056	<	f = new CompletableFuture<>();
2057	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2058	<	f.complete(one);
2059	<	checkCompletedWithWrappedCFException(g);
2060	<
2061	<	f = new CompletableFuture<>();
2062	<	f.complete(one);
2063	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2064	<	checkCompletedWithWrappedCFException(g);
2065	<	}
2052	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2053	>	for (ExecutionMode m : ExecutionMode.values())
2054	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2055	>	for (boolean fFirst : new boolean[] { true, false })
2056	>	for (boolean failFirst : new boolean[] { true, false })
2057	>	for (Integer v1 : new Integer[] { 1, null })
2058	>	{
2059	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2060	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2061	>	final Noop r1 = new Noop(m);
2062	>	final Noop r2 = new Noop(m);
2063	>	final Noop r3 = new Noop(m);
2064	>
2065	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2066	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2067	>	final Callable<Boolean> complete1 = failFirst ?
2068	>	() -> fst.cancel(mayInterruptIfRunning) :
2069	>	() -> fst.complete(v1);
2070	>	final Callable<Boolean> complete2 = failFirst ?
2071	>	() -> snd.complete(v1) :
2072	>	() -> snd.cancel(mayInterruptIfRunning);
2073	>
2074	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2075	>	assertTrue(complete1.call());
2076	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2077	>	checkIncomplete(h1);
2078	>	checkIncomplete(h2);
2079	>	assertTrue(complete2.call());
2080	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2081	>
2082	>	checkCompletedWithWrappedCancellationException(h1);
2083	>	checkCompletedWithWrappedCancellationException(h2);
2084	>	checkCompletedWithWrappedCancellationException(h3);
2085	>	r1.assertNotInvoked();
2086	>	r2.assertNotInvoked();
2087	>	r3.assertNotInvoked();
2088	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2089	>	checkCancelled(failFirst ? fst : snd);
2090	>	}}
2091
2092		/**
2093	<	* thenComposeAsync result completes exceptionally if source cancelled
2093	>	* runAfterBoth result completes exceptionally if action does
2094		*/
2095	<	public void testThenComposeAsync4() {
2096	<	CompletableFuture<Integer> f, g;
2097	<	CompletableFutureInc r;
2098	<
2099	<	f = new CompletableFuture<>();
2100	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2101	<	assertTrue(f.cancel(true));
2102	<	checkCompletedWithWrappedCancellationException(g);
2103	<
2104	<	f = new CompletableFuture<>();
2105	<	assertTrue(f.cancel(true));
2106	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2107	<	checkCompletedWithWrappedCancellationException(g);
2108	<	}
2109	<
2110	<	// async with explicit executors
2095	>	public void testRunAfterBoth_actionFailed() {
2096	>	for (ExecutionMode m : ExecutionMode.values())
2097	>	for (boolean fFirst : new boolean[] { true, false })
2098	>	for (Integer v1 : new Integer[] { 1, null })
2099	>	for (Integer v2 : new Integer[] { 2, null })
2100	>	{
2101	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2102	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2103	>	final FailingRunnable r1 = new FailingRunnable(m);
2104	>	final FailingRunnable r2 = new FailingRunnable(m);
2105	>	final FailingRunnable r3 = new FailingRunnable(m);
2106	>
2107	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2108	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2109	>	final Integer w1 =  fFirst ? v1 : v2;
2110	>	final Integer w2 = !fFirst ? v1 : v2;
2111	>
2112	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2113	>	assertTrue(fst.complete(w1));
2114	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2115	>	assertTrue(snd.complete(w2));
2116	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2117	>
2118	>	checkCompletedWithWrappedException(h1, r1.ex);
2119	>	checkCompletedWithWrappedException(h2, r2.ex);
2120	>	checkCompletedWithWrappedException(h3, r3.ex);
2121	>	r1.assertInvoked();
2122	>	r2.assertInvoked();
2123	>	r3.assertInvoked();
2124	>	checkCompletedNormally(f, v1);
2125	>	checkCompletedNormally(g, v2);
2126	>	}}
2127
2128		/**
2129	<	* thenRunAsync result completes normally after normal completion of source
2129	>	* applyToEither result completes normally after normal completion
2130	>	* of either source
2131		*/
2132	<	public void testThenRunAsyncE() {
2133	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2134	<	Noop r = new Noop();
2135	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2136	<	f.complete(null);
2137	<	checkCompletedNormally(g, null);
2138	<
2139	<	// reordered version
2140	<	f = new CompletableFuture<>();
2141	<	f.complete(null);
2142	<	r = new Noop();
2143	<	g = f.thenRunAsync(r, new ThreadExecutor());
2144	<	checkCompletedNormally(g, null);
2145	<	}
2132	>	public void testApplyToEither_normalCompletion() {
2133	>	for (ExecutionMode m : ExecutionMode.values())
2134	>	for (Integer v1 : new Integer[] { 1, null })
2135	>	for (Integer v2 : new Integer[] { 2, null })
2136	>	{
2137	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2138	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2139	>	final IncFunction[] rs = new IncFunction[6];
2140	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2141	>
2142	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2143	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2144	>	checkIncomplete(h0);
2145	>	checkIncomplete(h1);
2146	>	rs[0].assertNotInvoked();
2147	>	rs[1].assertNotInvoked();
2148	>	f.complete(v1);
2149	>	checkCompletedNormally(h0, inc(v1));
2150	>	checkCompletedNormally(h1, inc(v1));
2151	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2152	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2153	>	checkCompletedNormally(h2, inc(v1));
2154	>	checkCompletedNormally(h3, inc(v1));
2155	>	g.complete(v2);
2156	>
2157	>	// unspecified behavior - both source completions available
2158	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2159	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2160	>	rs[4].assertValue(h4.join());
2161	>	rs[5].assertValue(h5.join());
2162	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2163	>	Objects.equals(inc(v2), h4.join()));
2164	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2165	>	Objects.equals(inc(v2), h5.join()));
2166	>
2167	>	checkCompletedNormally(f, v1);
2168	>	checkCompletedNormally(g, v2);
2169	>	checkCompletedNormally(h0, inc(v1));
2170	>	checkCompletedNormally(h1, inc(v1));
2171	>	checkCompletedNormally(h2, inc(v1));
2172	>	checkCompletedNormally(h3, inc(v1));
2173	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2174	>	}}
2175
2176		/**
2177	<	* thenRunAsync result completes exceptionally after exceptional
2178	<	* completion of source
2177	>	* applyToEither result completes exceptionally after exceptional
2178	>	* completion of either source
2179		*/
2180	<	public void testThenRunAsync2E() {
2181	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2182	<	Noop r = new Noop();
2183	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2184	<	f.completeExceptionally(new CFException());
2180	>	public void testApplyToEither_exceptionalCompletion() {
2181	>	for (ExecutionMode m : ExecutionMode.values())
2182	>	for (Integer v1 : new Integer[] { 1, null })
2183	>	{
2184	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2185	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2186	>	final CFException ex = new CFException();
2187	>	final IncFunction[] rs = new IncFunction[6];
2188	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2189	>
2190	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2191	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2192	>	checkIncomplete(h0);
2193	>	checkIncomplete(h1);
2194	>	rs[0].assertNotInvoked();
2195	>	rs[1].assertNotInvoked();
2196	>	f.completeExceptionally(ex);
2197	>	checkCompletedWithWrappedException(h0, ex);
2198	>	checkCompletedWithWrappedException(h1, ex);
2199	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2200	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2201	>	checkCompletedWithWrappedException(h2, ex);
2202	>	checkCompletedWithWrappedException(h3, ex);
2203	>	g.complete(v1);
2204	>
2205	>	// unspecified behavior - both source completions available
2206	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2207	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2208		try {
2209	<	g.join();
2210	<	shouldThrow();
2211	<	} catch (CompletionException success) {}
2212	<	checkCompletedWithWrappedCFException(g);
2213	<	}
2214	<
2215	<	/**
2216	<	* thenRunAsync result completes exceptionally if action does
2217	<	*/
2218	<	public void testThenRunAsync3E() {
2219	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2220	<	FailingNoop r = new FailingNoop();
2221	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2128	<	f.complete(null);
2129	<	checkCompletedWithWrappedCFException(g);
2130	<	}
2131	<
2132	<	/**
2133	<	* thenRunAsync result completes exceptionally if source cancelled
2134	<	*/
2135	<	public void testThenRunAsync4E() {
2136	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2137	<	Noop r = new Noop();
2138	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2139	<	assertTrue(f.cancel(true));
2140	<	checkCompletedWithWrappedCancellationException(g);
2141	<	}
2209	>	assertEquals(inc(v1), h4.join());
2210	>	rs[4].assertValue(inc(v1));
2211	>	} catch (CompletionException ok) {
2212	>	checkCompletedWithWrappedException(h4, ex);
2213	>	rs[4].assertNotInvoked();
2214	>	}
2215	>	try {
2216	>	assertEquals(inc(v1), h5.join());
2217	>	rs[5].assertValue(inc(v1));
2218	>	} catch (CompletionException ok) {
2219	>	checkCompletedWithWrappedException(h5, ex);
2220	>	rs[5].assertNotInvoked();
2221	>	}
2222
2223	<	/**
2224	<	* thenApplyAsync result completes normally after normal completion of source
2225	<	*/
2226	<	public void testThenApplyAsyncE() {
2227	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2228	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2229	<	f.complete(one);
2230	<	checkCompletedNormally(g, two);
2231	<	}
2223	>	checkCompletedExceptionally(f, ex);
2224	>	checkCompletedNormally(g, v1);
2225	>	checkCompletedWithWrappedException(h0, ex);
2226	>	checkCompletedWithWrappedException(h1, ex);
2227	>	checkCompletedWithWrappedException(h2, ex);
2228	>	checkCompletedWithWrappedException(h3, ex);
2229	>	checkCompletedWithWrappedException(h4, ex);
2230	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2231	>	}}
2232	>
2233	>	public void testApplyToEither_exceptionalCompletion2() {
2234	>	for (ExecutionMode m : ExecutionMode.values())
2235	>	for (boolean fFirst : new boolean[] { true, false })
2236	>	for (Integer v1 : new Integer[] { 1, null })
2237	>	{
2238	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2239	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2240	>	final CFException ex = new CFException();
2241	>	final IncFunction[] rs = new IncFunction[6];
2242	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2243	>
2244	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2245	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2246	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2247	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2248	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2249	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2250
2251	<	/**
2252	<	* thenApplyAsync result completes exceptionally after exceptional
2253	<	* completion of source
2254	<	*/
2255	<	public void testThenApplyAsync2E() {
2256	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2257	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2258	<	f.completeExceptionally(new CFException());
2259	<	checkCompletedWithWrappedCFException(g);
2260	<	}
2251	>	// unspecified behavior - both source completions available
2252	>	try {
2253	>	assertEquals(inc(v1), h0.join());
2254	>	rs[0].assertValue(inc(v1));
2255	>	} catch (CompletionException ok) {
2256	>	checkCompletedWithWrappedException(h0, ex);
2257	>	rs[0].assertNotInvoked();
2258	>	}
2259	>	try {
2260	>	assertEquals(inc(v1), h1.join());
2261	>	rs[1].assertValue(inc(v1));
2262	>	} catch (CompletionException ok) {
2263	>	checkCompletedWithWrappedException(h1, ex);
2264	>	rs[1].assertNotInvoked();
2265	>	}
2266	>	try {
2267	>	assertEquals(inc(v1), h2.join());
2268	>	rs[2].assertValue(inc(v1));
2269	>	} catch (CompletionException ok) {
2270	>	checkCompletedWithWrappedException(h2, ex);
2271	>	rs[2].assertNotInvoked();
2272	>	}
2273	>	try {
2274	>	assertEquals(inc(v1), h3.join());
2275	>	rs[3].assertValue(inc(v1));
2276	>	} catch (CompletionException ok) {
2277	>	checkCompletedWithWrappedException(h3, ex);
2278	>	rs[3].assertNotInvoked();
2279	>	}
2280
2281	<	/**
2282	<	* thenApplyAsync result completes exceptionally if action does
2283	<	*/
2167	<	public void testThenApplyAsync3E() {
2168	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2169	<	FailingFunction r = new FailingFunction();
2170	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2171	<	f.complete(null);
2172	<	checkCompletedWithWrappedCFException(g);
2173	<	}
2281	>	checkCompletedNormally(f, v1);
2282	>	checkCompletedExceptionally(g, ex);
2283	>	}}
2284
2285		/**
2286	<	* thenApplyAsync result completes exceptionally if source cancelled
2286	>	* applyToEither result completes exceptionally if either source cancelled
2287		*/
2288	<	public void testThenApplyAsync4E() {
2289	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2290	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2291	<	assertTrue(f.cancel(true));
2292	<	checkCompletedWithWrappedCancellationException(g);
2293	<	}
2288	>	public void testApplyToEither_sourceCancelled() {
2289	>	for (ExecutionMode m : ExecutionMode.values())
2290	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2291	>	for (Integer v1 : new Integer[] { 1, null })
2292	>	{
2293	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2294	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2295	>	final IncFunction[] rs = new IncFunction[6];
2296	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2297	>
2298	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2299	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2300	>	checkIncomplete(h0);
2301	>	checkIncomplete(h1);
2302	>	rs[0].assertNotInvoked();
2303	>	rs[1].assertNotInvoked();
2304	>	f.cancel(mayInterruptIfRunning);
2305	>	checkCompletedWithWrappedCancellationException(h0);
2306	>	checkCompletedWithWrappedCancellationException(h1);
2307	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2308	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2309	>	checkCompletedWithWrappedCancellationException(h2);
2310	>	checkCompletedWithWrappedCancellationException(h3);
2311	>	g.complete(v1);
2312	>
2313	>	// unspecified behavior - both source completions available
2314	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2315	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2316	>	try {
2317	>	assertEquals(inc(v1), h4.join());
2318	>	rs[4].assertValue(inc(v1));
2319	>	} catch (CompletionException ok) {
2320	>	checkCompletedWithWrappedCancellationException(h4);
2321	>	rs[4].assertNotInvoked();
2322	>	}
2323	>	try {
2324	>	assertEquals(inc(v1), h5.join());
2325	>	rs[5].assertValue(inc(v1));
2326	>	} catch (CompletionException ok) {
2327	>	checkCompletedWithWrappedCancellationException(h5);
2328	>	rs[5].assertNotInvoked();
2329	>	}
2330
2331	<	/**
2332	<	* thenAcceptAsync result completes normally after normal
2333	<	* completion of source
2334	<	*/
2335	<	public void testThenAcceptAsyncE() {
2336	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2337	<	IncAction r = new IncAction();
2338	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2339	<	f.complete(one);
2340	<	checkCompletedNormally(g, null);
2341	<	assertEquals(r.value, 2);
2342	<	}
2331	>	checkCancelled(f);
2332	>	checkCompletedNormally(g, v1);
2333	>	checkCompletedWithWrappedCancellationException(h0);
2334	>	checkCompletedWithWrappedCancellationException(h1);
2335	>	checkCompletedWithWrappedCancellationException(h2);
2336	>	checkCompletedWithWrappedCancellationException(h3);
2337	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2338	>	}}
2339	>
2340	>	public void testApplyToEither_sourceCancelled2() {
2341	>	for (ExecutionMode m : ExecutionMode.values())
2342	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2343	>	for (boolean fFirst : new boolean[] { true, false })
2344	>	for (Integer v1 : new Integer[] { 1, null })
2345	>	{
2346	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2347	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2348	>	final IncFunction[] rs = new IncFunction[6];
2349	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2350	>
2351	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2352	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2353	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2354	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2355	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2356	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2357
2358	<	/**
2359	<	* thenAcceptAsync result completes exceptionally after exceptional
2360	<	* completion of source
2361	<	*/
2362	<	public void testThenAcceptAsync2E() {
2363	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2364	<	IncAction r = new IncAction();
2365	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2366	<	f.completeExceptionally(new CFException());
2367	<	checkCompletedWithWrappedCFException(g);
2368	<	}
2358	>	// unspecified behavior - both source completions available
2359	>	try {
2360	>	assertEquals(inc(v1), h0.join());
2361	>	rs[0].assertValue(inc(v1));
2362	>	} catch (CompletionException ok) {
2363	>	checkCompletedWithWrappedCancellationException(h0);
2364	>	rs[0].assertNotInvoked();
2365	>	}
2366	>	try {
2367	>	assertEquals(inc(v1), h1.join());
2368	>	rs[1].assertValue(inc(v1));
2369	>	} catch (CompletionException ok) {
2370	>	checkCompletedWithWrappedCancellationException(h1);
2371	>	rs[1].assertNotInvoked();
2372	>	}
2373	>	try {
2374	>	assertEquals(inc(v1), h2.join());
2375	>	rs[2].assertValue(inc(v1));
2376	>	} catch (CompletionException ok) {
2377	>	checkCompletedWithWrappedCancellationException(h2);
2378	>	rs[2].assertNotInvoked();
2379	>	}
2380	>	try {
2381	>	assertEquals(inc(v1), h3.join());
2382	>	rs[3].assertValue(inc(v1));
2383	>	} catch (CompletionException ok) {
2384	>	checkCompletedWithWrappedCancellationException(h3);
2385	>	rs[3].assertNotInvoked();
2386	>	}
2387
2388	<	/**
2389	<	* thenAcceptAsync result completes exceptionally if action does
2390	<	*/
2213	<	public void testThenAcceptAsync3E() {
2214	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2215	<	FailingConsumer r = new FailingConsumer();
2216	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2217	<	f.complete(null);
2218	<	checkCompletedWithWrappedCFException(g);
2219	<	}
2388	>	checkCompletedNormally(f, v1);
2389	>	checkCancelled(g);
2390	>	}}
2391
2392		/**
2393	<	* thenAcceptAsync result completes exceptionally if source cancelled
2393	>	* applyToEither result completes exceptionally if action does
2394		*/
2395	<	public void testThenAcceptAsync4E() {
2396	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2397	<	IncAction r = new IncAction();
2398	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2399	<	assertTrue(f.cancel(true));
2400	<	checkCompletedWithWrappedCancellationException(g);
2401	<	}
2395	>	public void testApplyToEither_actionFailed() {
2396	>	for (ExecutionMode m : ExecutionMode.values())
2397	>	for (Integer v1 : new Integer[] { 1, null })
2398	>	for (Integer v2 : new Integer[] { 2, null })
2399	>	{
2400	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2401	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2402	>	final FailingFunction[] rs = new FailingFunction[6];
2403	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2404	>
2405	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2406	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2407	>	f.complete(v1);
2408	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2409	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2410	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2411	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2412	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2413	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2414	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2415	>
2416	>	g.complete(v2);
2417	>
2418	>	// unspecified behavior - both source completions available
2419	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2420	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2421	>
2422	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2423	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2424	>	Objects.equals(v2, rs[4].value));
2425	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2426	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2427	>	Objects.equals(v2, rs[5].value));
2428	>
2429	>	checkCompletedNormally(f, v1);
2430	>	checkCompletedNormally(g, v2);
2431	>	}}
2432
2433		/**
2434	<	* thenCombineAsync result completes normally after normal
2435	<	* completion of sources
2434	>	* acceptEither result completes normally after normal completion
2435	>	* of either source
2436		*/
2437	<	public void testThenCombineAsyncE() {
2438	<	CompletableFuture<Integer> f, g, h;
2439	<	ThreadExecutor e = new ThreadExecutor();
2440	<	int count = 0;
2441	<
2442	<	f = new CompletableFuture<>();
2443	<	g = new CompletableFuture<>();
2444	<	h = f.thenCombineAsync(g, subtract, e);
2445	<	f.complete(3);
2446	<	checkIncomplete(h);
2447	<	g.complete(1);
2448	<	checkCompletedNormally(h, 2);
2449	<	assertEquals(++count, e.count.get());
2450	<
2451	<	f = new CompletableFuture<>();
2452	<	g = new CompletableFuture<>();
2453	<	h = f.thenCombineAsync(g, subtract, e);
2454	<	g.complete(1);
2455	<	checkIncomplete(h);
2456	<	f.complete(3);
2457	<	checkCompletedNormally(h, 2);
2458	<	assertEquals(++count, e.count.get());
2459	<
2460	<	f = new CompletableFuture<>();
2461	<	g = new CompletableFuture<>();
2462	<	g.complete(1);
2463	<	f.complete(3);
2464	<	h = f.thenCombineAsync(g, subtract, e);
2465	<	checkCompletedNormally(h, 2);
2466	<	assertEquals(++count, e.count.get());
2467	<	}
2437	>	public void testAcceptEither_normalCompletion() {
2438	>	for (ExecutionMode m : ExecutionMode.values())
2439	>	for (Integer v1 : new Integer[] { 1, null })
2440	>	for (Integer v2 : new Integer[] { 2, null })
2441	>	{
2442	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2443	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2444	>	final NoopConsumer[] rs = new NoopConsumer[6];
2445	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2446	>
2447	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2448	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2449	>	checkIncomplete(h0);
2450	>	checkIncomplete(h1);
2451	>	rs[0].assertNotInvoked();
2452	>	rs[1].assertNotInvoked();
2453	>	f.complete(v1);
2454	>	checkCompletedNormally(h0, null);
2455	>	checkCompletedNormally(h1, null);
2456	>	rs[0].assertValue(v1);
2457	>	rs[1].assertValue(v1);
2458	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2459	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2460	>	checkCompletedNormally(h2, null);
2461	>	checkCompletedNormally(h3, null);
2462	>	rs[2].assertValue(v1);
2463	>	rs[3].assertValue(v1);
2464	>	g.complete(v2);
2465	>
2466	>	// unspecified behavior - both source completions available
2467	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2468	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2469	>	checkCompletedNormally(h4, null);
2470	>	checkCompletedNormally(h5, null);
2471	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2472	>	Objects.equals(v2, rs[4].value));
2473	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2474	>	Objects.equals(v2, rs[5].value));
2475	>
2476	>	checkCompletedNormally(f, v1);
2477	>	checkCompletedNormally(g, v2);
2478	>	checkCompletedNormally(h0, null);
2479	>	checkCompletedNormally(h1, null);
2480	>	checkCompletedNormally(h2, null);
2481	>	checkCompletedNormally(h3, null);
2482	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2483	>	}}
2484
2485		/**
2486	<	* thenCombineAsync result completes exceptionally after exceptional
2486	>	* acceptEither result completes exceptionally after exceptional
2487		* completion of either source
2488		*/
2489	<	public void testThenCombineAsync2E() {
2490	<	CompletableFuture<Integer> f, g, h;
2491	<	ThreadExecutor e = new ThreadExecutor();
2492	<	int count = 0;
2493	<
2494	<	f = new CompletableFuture<>();
2495	<	g = new CompletableFuture<>();
2496	<	h = f.thenCombineAsync(g, subtract, e);
2497	<	f.completeExceptionally(new CFException());
2498	<	checkIncomplete(h);
2499	<	g.complete(1);
2500	<	checkCompletedWithWrappedCFException(h);
2501	<
2502	<	f = new CompletableFuture<>();
2503	<	g = new CompletableFuture<>();
2504	<	h = f.thenCombineAsync(g, subtract, e);
2505	<	g.completeExceptionally(new CFException());
2506	<	checkIncomplete(h);
2507	<	f.complete(3);
2508	<	checkCompletedWithWrappedCFException(h);
2509	<
2510	<	f = new CompletableFuture<>();
2511	<	g = new CompletableFuture<>();
2512	<	g.completeExceptionally(new CFException());
2513	<	h = f.thenCombineAsync(g, subtract, e);
2514	<	checkIncomplete(h);
2515	<	f.complete(3);
2516	<	checkCompletedWithWrappedCFException(h);
2517	<
2518	<	assertEquals(0, e.count.get());
2519	<	}
2520	<
2521	<	/**
2522	<	* thenCombineAsync result completes exceptionally if action does
2523	<	*/
2524	<	public void testThenCombineAsync3E() {
2525	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2526	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2527	<	FailingBiFunction r = new FailingBiFunction();
2528	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2529	<	f.complete(one);
2530	<	checkIncomplete(g);
2531	<	assertFalse(r.ran);
2315	<	f2.complete(two);
2316	<	checkCompletedWithWrappedCFException(g);
2317	<	assertTrue(r.ran);
2318	<	}
2319	<
2320	<	/**
2321	<	* thenCombineAsync result completes exceptionally if either source cancelled
2322	<	*/
2323	<	public void testThenCombineAsync4E() {
2324	<	CompletableFuture<Integer> f, g, h;
2325	<	ThreadExecutor e = new ThreadExecutor();
2326	<
2327	<	f = new CompletableFuture<>();
2328	<	g = new CompletableFuture<>();
2329	<	h = f.thenCombineAsync(g, subtract, e);
2330	<	assertTrue(f.cancel(true));
2331	<	checkIncomplete(h);
2332	<	g.complete(1);
2333	<	checkCompletedWithWrappedCancellationException(h);
2334	<
2335	<	f = new CompletableFuture<>();
2336	<	g = new CompletableFuture<>();
2337	<	h = f.thenCombineAsync(g, subtract, e);
2338	<	assertTrue(g.cancel(true));
2339	<	checkIncomplete(h);
2340	<	f.complete(3);
2341	<	checkCompletedWithWrappedCancellationException(h);
2342	<
2343	<	f = new CompletableFuture<>();
2344	<	g = new CompletableFuture<>();
2345	<	assertTrue(g.cancel(true));
2346	<	h = f.thenCombineAsync(g, subtract, e);
2347	<	checkIncomplete(h);
2348	<	f.complete(3);
2349	<	checkCompletedWithWrappedCancellationException(h);
2350	<
2351	<	f = new CompletableFuture<>();
2352	<	g = new CompletableFuture<>();
2353	<	assertTrue(f.cancel(true));
2354	<	assertTrue(g.cancel(true));
2355	<	h = f.thenCombineAsync(g, subtract, e);
2356	<	checkCompletedWithWrappedCancellationException(h);
2357	<
2358	<	assertEquals(0, e.count.get());
2359	<	}
2360	<
2361	<	/**
2362	<	* thenAcceptBothAsync result completes normally after normal
2363	<	* completion of sources
2364	<	*/
2365	<	public void testThenAcceptBothAsyncE() {
2366	<	CompletableFuture<Integer> f, g;
2367	<	CompletableFuture<Void> h;
2368	<	SubtractAction r;
2369	<	ThreadExecutor e = new ThreadExecutor();
2370	<
2371	<	f = new CompletableFuture<>();
2372	<	g = new CompletableFuture<>();
2373	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2374	<	f.complete(3);
2375	<	checkIncomplete(h);
2376	<	g.complete(1);
2377	<	checkCompletedNormally(h, null);
2378	<	assertEquals(r.value, 2);
2379	<
2380	<	f = new CompletableFuture<>();
2381	<	g = new CompletableFuture<>();
2382	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2383	<	g.complete(1);
2384	<	checkIncomplete(h);
2385	<	f.complete(3);
2386	<	checkCompletedNormally(h, null);
2387	<	assertEquals(r.value, 2);
2388	<
2389	<	f = new CompletableFuture<>();
2390	<	g = new CompletableFuture<>();
2391	<	g.complete(1);
2392	<	f.complete(3);
2393	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2394	<	checkCompletedNormally(h, null);
2395	<	assertEquals(r.value, 2);
2396	<
2397	<	assertEquals(3, e.count.get());
2398	<	}
2399	<
2400	<	/**
2401	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2402	<	* completion of source
2403	<	*/
2404	<	public void testThenAcceptBothAsync2E() {
2405	<	CompletableFuture<Integer> f, g;
2406	<	CompletableFuture<Void> h;
2407	<	SubtractAction r;
2408	<	ThreadExecutor e = new ThreadExecutor();
2409	<
2410	<	f = new CompletableFuture<>();
2411	<	g = new CompletableFuture<>();
2412	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2413	<	f.completeExceptionally(new CFException());
2414	<	checkIncomplete(h);
2415	<	g.complete(1);
2416	<	checkCompletedWithWrappedCFException(h);
2417	<
2418	<	f = new CompletableFuture<>();
2419	<	g = new CompletableFuture<>();
2420	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2421	<	g.completeExceptionally(new CFException());
2422	<	checkIncomplete(h);
2423	<	f.complete(3);
2424	<	checkCompletedWithWrappedCFException(h);
2425	<
2426	<	f = new CompletableFuture<>();
2427	<	g = new CompletableFuture<>();
2428	<	f.complete(3);
2429	<	g.completeExceptionally(new CFException());
2430	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2431	<	checkCompletedWithWrappedCFException(h);
2432	<
2433	<	f = new CompletableFuture<>();
2434	<	g = new CompletableFuture<>();
2435	<	f.completeExceptionally(new CFException());
2436	<	g.complete(3);
2437	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2438	<	checkCompletedWithWrappedCFException(h);
2439	<
2440	<	assertEquals(0, e.count.get());
2441	<	}
2442	<
2443	<	/**
2444	<	* thenAcceptBothAsync result completes exceptionally if action does
2445	<	*/
2446	<	public void testThenAcceptBothAsync3E() {
2447	<	CompletableFuture<Integer> f, g;
2448	<	CompletableFuture<Void> h;
2449	<	FailingBiConsumer r;
2450	<	ThreadExecutor e = new ThreadExecutor();
2451	<
2452	<	f = new CompletableFuture<>();
2453	<	g = new CompletableFuture<>();
2454	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2455	<	f.complete(3);
2456	<	checkIncomplete(h);
2457	<	g.complete(1);
2458	<	checkCompletedWithWrappedCFException(h);
2459	<
2460	<	f = new CompletableFuture<>();
2461	<	g = new CompletableFuture<>();
2462	<	f.complete(3);
2463	<	g.complete(1);
2464	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2465	<	checkCompletedWithWrappedCFException(h);
2466	<
2467	<	assertEquals(2, e.count.get());
2468	<	}
2469	<
2470	<	/**
2471	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2472	<	*/
2473	<	public void testThenAcceptBothAsync4E() {
2474	<	CompletableFuture<Integer> f, g;
2475	<	CompletableFuture<Void> h;
2476	<	SubtractAction r;
2477	<	ThreadExecutor e = new ThreadExecutor();
2478	<
2479	<	f = new CompletableFuture<>();
2480	<	g = new CompletableFuture<>();
2481	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2482	<	assertTrue(f.cancel(true));
2483	<	checkIncomplete(h);
2484	<	g.complete(1);
2485	<	checkCompletedWithWrappedCancellationException(h);
2486	<
2487	<	f = new CompletableFuture<>();
2488	<	g = new CompletableFuture<>();
2489	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2490	<	assertTrue(g.cancel(true));
2491	<	checkIncomplete(h);
2492	<	f.complete(3);
2493	<	checkCompletedWithWrappedCancellationException(h);
2494	<
2495	<	f = new CompletableFuture<>();
2496	<	g = new CompletableFuture<>();
2497	<	f.complete(3);
2498	<	assertTrue(g.cancel(true));
2499	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2500	<	checkCompletedWithWrappedCancellationException(h);
2501	<
2502	<	f = new CompletableFuture<>();
2503	<	g = new CompletableFuture<>();
2504	<	assertTrue(f.cancel(true));
2505	<	g.complete(3);
2506	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2507	<	checkCompletedWithWrappedCancellationException(h);
2508	<
2509	<	assertEquals(0, e.count.get());
2510	<	}
2511	<
2512	<	/**
2513	<	* runAfterBothAsync result completes normally after normal
2514	<	* completion of sources
2515	<	*/
2516	<	public void testRunAfterBothAsyncE() {
2517	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2518	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2519	<	Noop r = new Noop();
2520	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2521	<	f.complete(one);
2522	<	checkIncomplete(g);
2523	<	f2.complete(two);
2524	<	checkCompletedNormally(g, null);
2525	<	assertTrue(r.ran);
2526	<	}
2527	<
2528	<	/**
2529	<	* runAfterBothAsync result completes exceptionally after exceptional
2530	<	* completion of source
2531	<	*/
2532	<	public void testRunAfterBothAsync2E() {
2533	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2534	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2535	<	Noop r = new Noop();
2536	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2537	<	f.completeExceptionally(new CFException());
2538	<	f2.complete(two);
2539	<	checkCompletedWithWrappedCFException(g);
2489	>	public void testAcceptEither_exceptionalCompletion() {
2490	>	for (ExecutionMode m : ExecutionMode.values())
2491	>	for (Integer v1 : new Integer[] { 1, null })
2492	>	{
2493	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2494	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2495	>	final CFException ex = new CFException();
2496	>	final NoopConsumer[] rs = new NoopConsumer[6];
2497	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2498	>
2499	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2500	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2501	>	checkIncomplete(h0);
2502	>	checkIncomplete(h1);
2503	>	rs[0].assertNotInvoked();
2504	>	rs[1].assertNotInvoked();
2505	>	f.completeExceptionally(ex);
2506	>	checkCompletedWithWrappedException(h0, ex);
2507	>	checkCompletedWithWrappedException(h1, ex);
2508	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2509	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2510	>	checkCompletedWithWrappedException(h2, ex);
2511	>	checkCompletedWithWrappedException(h3, ex);
2512	>
2513	>	g.complete(v1);
2514	>
2515	>	// unspecified behavior - both source completions available
2516	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2517	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2518	>	try {
2519	>	assertNull(h4.join());
2520	>	rs[4].assertValue(v1);
2521	>	} catch (CompletionException ok) {
2522	>	checkCompletedWithWrappedException(h4, ex);
2523	>	rs[4].assertNotInvoked();
2524	>	}
2525	>	try {
2526	>	assertNull(h5.join());
2527	>	rs[5].assertValue(v1);
2528	>	} catch (CompletionException ok) {
2529	>	checkCompletedWithWrappedException(h5, ex);
2530	>	rs[5].assertNotInvoked();
2531	>	}
2532
2533	<	r = new Noop();
2534	<	f = new CompletableFuture<>();
2535	<	f2 = new CompletableFuture<>();
2536	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2537	<	f.complete(one);
2538	<	f2.completeExceptionally(new CFException());
2539	<	checkCompletedWithWrappedCFException(g);
2540	<	}
2533	>	checkCompletedExceptionally(f, ex);
2534	>	checkCompletedNormally(g, v1);
2535	>	checkCompletedWithWrappedException(h0, ex);
2536	>	checkCompletedWithWrappedException(h1, ex);
2537	>	checkCompletedWithWrappedException(h2, ex);
2538	>	checkCompletedWithWrappedException(h3, ex);
2539	>	checkCompletedWithWrappedException(h4, ex);
2540	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2541	>	}}
2542	>
2543	>	public void testAcceptEither_exceptionalCompletion2() {
2544	>	for (ExecutionMode m : ExecutionMode.values())
2545	>	for (boolean fFirst : new boolean[] { true, false })
2546	>	for (Integer v1 : new Integer[] { 1, null })
2547	>	{
2548	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2549	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2550	>	final CFException ex = new CFException();
2551	>	final NoopConsumer[] rs = new NoopConsumer[6];
2552	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2553	>
2554	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2555	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2556	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2557	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2558	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2559	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2560
2561	<	/**
2562	<	* runAfterBothAsync result completes exceptionally if action does
2563	<	*/
2564	<	public void testRunAfterBothAsync3E() {
2565	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2566	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2567	<	FailingNoop r = new FailingNoop();
2568	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2569	<	f.complete(one);
2570	<	checkIncomplete(g);
2571	<	f2.complete(two);
2572	<	checkCompletedWithWrappedCFException(g);
2573	<	}
2574	<
2575	<	/**
2576	<	* runAfterBothAsync result completes exceptionally if either source cancelled
2577	<	*/
2578	<	public void testRunAfterBothAsync4E() {
2579	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2580	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2581	<	Noop r = new Noop();
2582	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2583	<	assertTrue(f.cancel(true));
2584	<	f2.complete(two);
2585	<	checkCompletedWithWrappedCancellationException(g);
2561	>	// unspecified behavior - both source completions available
2562	>	try {
2563	>	assertNull(h0.join());
2564	>	rs[0].assertValue(v1);
2565	>	} catch (CompletionException ok) {
2566	>	checkCompletedWithWrappedException(h0, ex);
2567	>	rs[0].assertNotInvoked();
2568	>	}
2569	>	try {
2570	>	assertNull(h1.join());
2571	>	rs[1].assertValue(v1);
2572	>	} catch (CompletionException ok) {
2573	>	checkCompletedWithWrappedException(h1, ex);
2574	>	rs[1].assertNotInvoked();
2575	>	}
2576	>	try {
2577	>	assertNull(h2.join());
2578	>	rs[2].assertValue(v1);
2579	>	} catch (CompletionException ok) {
2580	>	checkCompletedWithWrappedException(h2, ex);
2581	>	rs[2].assertNotInvoked();
2582	>	}
2583	>	try {
2584	>	assertNull(h3.join());
2585	>	rs[3].assertValue(v1);
2586	>	} catch (CompletionException ok) {
2587	>	checkCompletedWithWrappedException(h3, ex);
2588	>	rs[3].assertNotInvoked();
2589	>	}
2590
2591	<	r = new Noop();
2592	<	f = new CompletableFuture<>();
2593	<	f2 = new CompletableFuture<>();
2579	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2580	<	f.complete(one);
2581	<	assertTrue(f2.cancel(true));
2582	<	checkCompletedWithWrappedCancellationException(g);
2583	<	}
2591	>	checkCompletedNormally(f, v1);
2592	>	checkCompletedExceptionally(g, ex);
2593	>	}}
2594
2595		/**
2596	<	* applyToEitherAsync result completes normally after normal
2587	<	* completion of sources
2596	>	* acceptEither result completes exceptionally if either source cancelled
2597		*/
2598	<	public void testApplyToEitherAsyncE() {
2599	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2600	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2601	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2602	<	f.complete(one);
2603	<	checkCompletedNormally(g, two);
2598	>	public void testAcceptEither_sourceCancelled() {
2599	>	for (ExecutionMode m : ExecutionMode.values())
2600	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2601	>	for (Integer v1 : new Integer[] { 1, null })
2602	>	{
2603	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2604	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2605	>	final NoopConsumer[] rs = new NoopConsumer[6];
2606	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2607	>
2608	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2609	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2610	>	checkIncomplete(h0);
2611	>	checkIncomplete(h1);
2612	>	rs[0].assertNotInvoked();
2613	>	rs[1].assertNotInvoked();
2614	>	f.cancel(mayInterruptIfRunning);
2615	>	checkCompletedWithWrappedCancellationException(h0);
2616	>	checkCompletedWithWrappedCancellationException(h1);
2617	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2618	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2619	>	checkCompletedWithWrappedCancellationException(h2);
2620	>	checkCompletedWithWrappedCancellationException(h3);
2621	>
2622	>	g.complete(v1);
2623	>
2624	>	// unspecified behavior - both source completions available
2625	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2626	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2627	>	try {
2628	>	assertNull(h4.join());
2629	>	rs[4].assertValue(v1);
2630	>	} catch (CompletionException ok) {
2631	>	checkCompletedWithWrappedCancellationException(h4);
2632	>	rs[4].assertNotInvoked();
2633	>	}
2634	>	try {
2635	>	assertNull(h5.join());
2636	>	rs[5].assertValue(v1);
2637	>	} catch (CompletionException ok) {
2638	>	checkCompletedWithWrappedCancellationException(h5);
2639	>	rs[5].assertNotInvoked();
2640	>	}
2641
2642	<	f = new CompletableFuture<>();
2643	<	f.complete(one);
2644	<	f2 = new CompletableFuture<>();
2645	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2646	<	checkCompletedNormally(g, two);
2647	<	}
2642	>	checkCancelled(f);
2643	>	checkCompletedNormally(g, v1);
2644	>	checkCompletedWithWrappedCancellationException(h0);
2645	>	checkCompletedWithWrappedCancellationException(h1);
2646	>	checkCompletedWithWrappedCancellationException(h2);
2647	>	checkCompletedWithWrappedCancellationException(h3);
2648	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2649	>	}}
2650
2651		/**
2652	<	* applyToEitherAsync result completes exceptionally after exceptional
2605	<	* completion of source
2652	>	* acceptEither result completes exceptionally if action does
2653		*/
2654	<	public void testApplyToEitherAsync2E() {
2655	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2656	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2657	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2658	<	f.completeExceptionally(new CFException());
2659	<	checkCompletedWithWrappedCFException(g);
2660	<
2661	<	f = new CompletableFuture<>();
2662	<	f2 = new CompletableFuture<>();
2663	<	f2.completeExceptionally(new CFException());
2664	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2665	<	f.complete(one);
2666	<	checkCompletedWithWrappedCFException(g);
2667	<	}
2654	>	public void testAcceptEither_actionFailed() {
2655	>	for (ExecutionMode m : ExecutionMode.values())
2656	>	for (Integer v1 : new Integer[] { 1, null })
2657	>	for (Integer v2 : new Integer[] { 2, null })
2658	>	{
2659	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2660	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2661	>	final FailingConsumer[] rs = new FailingConsumer[6];
2662	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2663	>
2664	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2665	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2666	>	f.complete(v1);
2667	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2668	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2669	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2670	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2671	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2672	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2673	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2674	>
2675	>	g.complete(v2);
2676	>
2677	>	// unspecified behavior - both source completions available
2678	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2679	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2680	>
2681	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2682	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2683	>	Objects.equals(v2, rs[4].value));
2684	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2685	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2686	>	Objects.equals(v2, rs[5].value));
2687	>
2688	>	checkCompletedNormally(f, v1);
2689	>	checkCompletedNormally(g, v2);
2690	>	}}
2691
2692		/**
2693	<	* applyToEitherAsync result completes exceptionally if action does
2693	>	* runAfterEither result completes normally after normal completion
2694	>	* of either source
2695		*/
2696	<	public void testApplyToEitherAsync3E() {
2697	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2698	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2699	<	FailingFunction r = new FailingFunction();
2700	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2701	<	f.complete(one);
2702	<	checkCompletedWithWrappedCFException(g);
2703	<	}
2696	>	public void testRunAfterEither_normalCompletion() {
2697	>	for (ExecutionMode m : ExecutionMode.values())
2698	>	for (Integer v1 : new Integer[] { 1, null })
2699	>	for (Integer v2 : new Integer[] { 2, null })
2700	>	for (boolean pushNop : new boolean[] { true, false })
2701	>	{
2702	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2703	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2704	>	final Noop[] rs = new Noop[6];
2705	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2706	>
2707	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2708	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2709	>	checkIncomplete(h0);
2710	>	checkIncomplete(h1);
2711	>	rs[0].assertNotInvoked();
2712	>	rs[1].assertNotInvoked();
2713	>	if (pushNop) {          // ad hoc test of intra-completion interference
2714	>	m.thenRun(f, () -> {});
2715	>	m.thenRun(g, () -> {});
2716	>	}
2717	>	f.complete(v1);
2718	>	checkCompletedNormally(h0, null);
2719	>	checkCompletedNormally(h1, null);
2720	>	rs[0].assertInvoked();
2721	>	rs[1].assertInvoked();
2722	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2723	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2724	>	checkCompletedNormally(h2, null);
2725	>	checkCompletedNormally(h3, null);
2726	>	rs[2].assertInvoked();
2727	>	rs[3].assertInvoked();
2728	>
2729	>	g.complete(v2);
2730	>
2731	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2732	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2733	>
2734	>	checkCompletedNormally(f, v1);
2735	>	checkCompletedNormally(g, v2);
2736	>	checkCompletedNormally(h0, null);
2737	>	checkCompletedNormally(h1, null);
2738	>	checkCompletedNormally(h2, null);
2739	>	checkCompletedNormally(h3, null);
2740	>	checkCompletedNormally(h4, null);
2741	>	checkCompletedNormally(h5, null);
2742	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2743	>	}}
2744
2745		/**
2746	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2746	>	* runAfterEither result completes exceptionally after exceptional
2747	>	* completion of either source
2748		*/
2749	<	public void testApplyToEitherAsync4E() {
2750	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2751	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2752	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2753	<	assertTrue(f.cancel(true));
2754	<	checkCompletedWithWrappedCancellationException(g);
2749	>	public void testRunAfterEither_exceptionalCompletion() {
2750	>	for (ExecutionMode m : ExecutionMode.values())
2751	>	for (Integer v1 : new Integer[] { 1, null })
2752	>	{
2753	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2754	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2755	>	final CFException ex = new CFException();
2756	>	final Noop[] rs = new Noop[6];
2757	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2758	>
2759	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2760	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2761	>	checkIncomplete(h0);
2762	>	checkIncomplete(h1);
2763	>	rs[0].assertNotInvoked();
2764	>	rs[1].assertNotInvoked();
2765	>	assertTrue(f.completeExceptionally(ex));
2766	>	checkCompletedWithWrappedException(h0, ex);
2767	>	checkCompletedWithWrappedException(h1, ex);
2768	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2769	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2770	>	checkCompletedWithWrappedException(h2, ex);
2771	>	checkCompletedWithWrappedException(h3, ex);
2772	>
2773	>	assertTrue(g.complete(v1));
2774	>
2775	>	// unspecified behavior - both source completions available
2776	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2777	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2778	>	try {
2779	>	assertNull(h4.join());
2780	>	rs[4].assertInvoked();
2781	>	} catch (CompletionException ok) {
2782	>	checkCompletedWithWrappedException(h4, ex);
2783	>	rs[4].assertNotInvoked();
2784	>	}
2785	>	try {
2786	>	assertNull(h5.join());
2787	>	rs[5].assertInvoked();
2788	>	} catch (CompletionException ok) {
2789	>	checkCompletedWithWrappedException(h5, ex);
2790	>	rs[5].assertNotInvoked();
2791	>	}
2792
2793	<	f = new CompletableFuture<>();
2794	<	f2 = new CompletableFuture<>();
2795	<	assertTrue(f2.cancel(true));
2796	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2797	<	checkCompletedWithWrappedCancellationException(g);
2798	<	}
2793	>	checkCompletedExceptionally(f, ex);
2794	>	checkCompletedNormally(g, v1);
2795	>	checkCompletedWithWrappedException(h0, ex);
2796	>	checkCompletedWithWrappedException(h1, ex);
2797	>	checkCompletedWithWrappedException(h2, ex);
2798	>	checkCompletedWithWrappedException(h3, ex);
2799	>	checkCompletedWithWrappedException(h4, ex);
2800	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2801	>	}}
2802	>
2803	>	public void testRunAfterEither_exceptionalCompletion2() {
2804	>	for (ExecutionMode m : ExecutionMode.values())
2805	>	for (boolean fFirst : new boolean[] { true, false })
2806	>	for (Integer v1 : new Integer[] { 1, null })
2807	>	{
2808	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2809	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2810	>	final CFException ex = new CFException();
2811	>	final Noop[] rs = new Noop[6];
2812	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2813	>
2814	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2815	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2816	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2817	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2818	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2819	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2820
2821	<	/**
2822	<	* acceptEitherAsync result completes normally after normal
2823	<	* completion of sources
2824	<	*/
2825	<	public void testAcceptEitherAsyncE() {
2826	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2827	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2828	<	IncAction r = new IncAction();
2829	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2830	<	f.complete(one);
2831	<	checkCompletedNormally(g, null);
2832	<	assertEquals(r.value, 2);
2821	>	// unspecified behavior - both source completions available
2822	>	try {
2823	>	assertNull(h0.join());
2824	>	rs[0].assertInvoked();
2825	>	} catch (CompletionException ok) {
2826	>	checkCompletedWithWrappedException(h0, ex);
2827	>	rs[0].assertNotInvoked();
2828	>	}
2829	>	try {
2830	>	assertNull(h1.join());
2831	>	rs[1].assertInvoked();
2832	>	} catch (CompletionException ok) {
2833	>	checkCompletedWithWrappedException(h1, ex);
2834	>	rs[1].assertNotInvoked();
2835	>	}
2836	>	try {
2837	>	assertNull(h2.join());
2838	>	rs[2].assertInvoked();
2839	>	} catch (CompletionException ok) {
2840	>	checkCompletedWithWrappedException(h2, ex);
2841	>	rs[2].assertNotInvoked();
2842	>	}
2843	>	try {
2844	>	assertNull(h3.join());
2845	>	rs[3].assertInvoked();
2846	>	} catch (CompletionException ok) {
2847	>	checkCompletedWithWrappedException(h3, ex);
2848	>	rs[3].assertNotInvoked();
2849	>	}
2850
2851	<	r = new IncAction();
2852	<	f = new CompletableFuture<>();
2853	<	f.complete(one);
2667	<	f2 = new CompletableFuture<>();
2668	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2669	<	checkCompletedNormally(g, null);
2670	<	assertEquals(r.value, 2);
2671	<	}
2851	>	checkCompletedNormally(f, v1);
2852	>	checkCompletedExceptionally(g, ex);
2853	>	}}
2854
2855		/**
2856	<	* acceptEitherAsync result completes exceptionally after exceptional
2675	<	* completion of source
2856	>	* runAfterEither result completes exceptionally if either source cancelled
2857		*/
2858	<	public void testAcceptEitherAsync2E() {
2859	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2860	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2861	<	IncAction r = new IncAction();
2862	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2863	<	f.completeExceptionally(new CFException());
2864	<	checkCompletedWithWrappedCFException(g);
2865	<
2866	<	r = new IncAction();
2867	<	f = new CompletableFuture<>();
2868	<	f2 = new CompletableFuture<>();
2869	<	f2.completeExceptionally(new CFException());
2870	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2871	<	f.complete(one);
2872	<	checkCompletedWithWrappedCFException(g);
2873	<	}
2858	>	public void testRunAfterEither_sourceCancelled() {
2859	>	for (ExecutionMode m : ExecutionMode.values())
2860	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2861	>	for (Integer v1 : new Integer[] { 1, null })
2862	>	{
2863	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2864	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2865	>	final Noop[] rs = new Noop[6];
2866	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2867	>
2868	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2869	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2870	>	checkIncomplete(h0);
2871	>	checkIncomplete(h1);
2872	>	rs[0].assertNotInvoked();
2873	>	rs[1].assertNotInvoked();
2874	>	f.cancel(mayInterruptIfRunning);
2875	>	checkCompletedWithWrappedCancellationException(h0);
2876	>	checkCompletedWithWrappedCancellationException(h1);
2877	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2878	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2879	>	checkCompletedWithWrappedCancellationException(h2);
2880	>	checkCompletedWithWrappedCancellationException(h3);
2881	>
2882	>	assertTrue(g.complete(v1));
2883	>
2884	>	// unspecified behavior - both source completions available
2885	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2886	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2887	>	try {
2888	>	assertNull(h4.join());
2889	>	rs[4].assertInvoked();
2890	>	} catch (CompletionException ok) {
2891	>	checkCompletedWithWrappedCancellationException(h4);
2892	>	rs[4].assertNotInvoked();
2893	>	}
2894	>	try {
2895	>	assertNull(h5.join());
2896	>	rs[5].assertInvoked();
2897	>	} catch (CompletionException ok) {
2898	>	checkCompletedWithWrappedCancellationException(h5);
2899	>	rs[5].assertNotInvoked();
2900	>	}
2901
2902	<	/**
2903	<	* acceptEitherAsync result completes exceptionally if action does
2904	<	*/
2905	<	public void testAcceptEitherAsync3E() {
2906	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2907	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2908	<	FailingConsumer r = new FailingConsumer();
2909	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2702	<	f.complete(one);
2703	<	checkCompletedWithWrappedCFException(g);
2704	<	}
2902	>	checkCancelled(f);
2903	>	checkCompletedNormally(g, v1);
2904	>	checkCompletedWithWrappedCancellationException(h0);
2905	>	checkCompletedWithWrappedCancellationException(h1);
2906	>	checkCompletedWithWrappedCancellationException(h2);
2907	>	checkCompletedWithWrappedCancellationException(h3);
2908	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2909	>	}}
2910
2911		/**
2912	<	* acceptEitherAsync result completes exceptionally if either
2708	<	* source cancelled
2912	>	* runAfterEither result completes exceptionally if action does
2913		*/
2914	<	public void testAcceptEitherAsync4E() {
2915	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2916	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2917	<	IncAction r = new IncAction();
2918	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2919	<	assertTrue(f.cancel(true));
2920	<	checkCompletedWithWrappedCancellationException(g);
2921	<
2922	<	r = new IncAction();
2923	<	f = new CompletableFuture<>();
2924	<	f2 = new CompletableFuture<>();
2925	<	assertTrue(f2.cancel(true));
2926	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2927	<	checkCompletedWithWrappedCancellationException(g);
2928	<	}
2914	>	public void testRunAfterEither_actionFailed() {
2915	>	for (ExecutionMode m : ExecutionMode.values())
2916	>	for (Integer v1 : new Integer[] { 1, null })
2917	>	for (Integer v2 : new Integer[] { 2, null })
2918	>	{
2919	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2920	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2921	>	final FailingRunnable[] rs = new FailingRunnable[6];
2922	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2923	>
2924	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2925	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2926	>	assertTrue(f.complete(v1));
2927	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2928	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2929	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2930	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2931	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2932	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2933	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2934	>	assertTrue(g.complete(v2));
2935	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2936	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2937	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2938	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2939	>
2940	>	checkCompletedNormally(f, v1);
2941	>	checkCompletedNormally(g, v2);
2942	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2943	>	}}
2944
2945		/**
2946	<	* runAfterEitherAsync result completes normally after normal
2728	<	* completion of sources
2946	>	* thenCompose result completes normally after normal completion of source
2947		*/
2948	<	public void testRunAfterEitherAsyncE() {
2949	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2950	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2951	<	Noop r = new Noop();
2952	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2953	<	f.complete(one);
2954	<	checkCompletedNormally(g, null);
2955	<	assertTrue(r.ran);
2956	<
2957	<	r = new Noop();
2958	<	f = new CompletableFuture<>();
2959	<	f.complete(one);
2960	<	f2 = new CompletableFuture<>();
2961	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2962	<	checkCompletedNormally(g, null);
2745	<	assertTrue(r.ran);
2746	<	}
2948	>	public void testThenCompose_normalCompletion() {
2949	>	for (ExecutionMode m : ExecutionMode.values())
2950	>	for (boolean createIncomplete : new boolean[] { true, false })
2951	>	for (Integer v1 : new Integer[] { 1, null })
2952	>	{
2953	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2954	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2955	>	if (!createIncomplete) assertTrue(f.complete(v1));
2956	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2957	>	if (createIncomplete) assertTrue(f.complete(v1));
2958	>
2959	>	checkCompletedNormally(g, inc(v1));
2960	>	checkCompletedNormally(f, v1);
2961	>	r.assertValue(v1);
2962	>	}}
2963
2964		/**
2965	<	* runAfterEitherAsync result completes exceptionally after exceptional
2965	>	* thenCompose result completes exceptionally after exceptional
2966		* completion of source
2967		*/
2968	<	public void testRunAfterEitherAsync2E() {
2969	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2970	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2971	<	Noop r = new Noop();
2972	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2973	<	f.completeExceptionally(new CFException());
2974	<	checkCompletedWithWrappedCFException(g);
2975	<
2976	<	r = new Noop();
2977	<	f = new CompletableFuture<>();
2978	<	f2 = new CompletableFuture<>();
2979	<	f2.completeExceptionally(new CFException());
2980	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2981	<	f.complete(one);
2982	<	checkCompletedWithWrappedCFException(g);
2767	<	}
2968	>	public void testThenCompose_exceptionalCompletion() {
2969	>	for (ExecutionMode m : ExecutionMode.values())
2970	>	for (boolean createIncomplete : new boolean[] { true, false })
2971	>	{
2972	>	final CFException ex = new CFException();
2973	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2974	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2975	>	if (!createIncomplete) f.completeExceptionally(ex);
2976	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2977	>	if (createIncomplete) f.completeExceptionally(ex);
2978	>
2979	>	checkCompletedWithWrappedException(g, ex);
2980	>	checkCompletedExceptionally(f, ex);
2981	>	r.assertNotInvoked();
2982	>	}}
2983
2984		/**
2985	<	* runAfterEitherAsync result completes exceptionally if action does
2985	>	* thenCompose result completes exceptionally if action does
2986		*/
2987	<	public void testRunAfterEitherAsync3E() {
2988	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2989	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2990	<	FailingNoop r = new FailingNoop();
2991	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2992	<	f.complete(one);
2993	<	checkCompletedWithWrappedCFException(g);
2994	<	}
2987	>	public void testThenCompose_actionFailed() {
2988	>	for (ExecutionMode m : ExecutionMode.values())
2989	>	for (boolean createIncomplete : new boolean[] { true, false })
2990	>	for (Integer v1 : new Integer[] { 1, null })
2991	>	{
2992	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2993	>	final FailingCompletableFutureFunction r
2994	>	= new FailingCompletableFutureFunction(m);
2995	>	if (!createIncomplete) assertTrue(f.complete(v1));
2996	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2997	>	if (createIncomplete) assertTrue(f.complete(v1));
2998	>
2999	>	checkCompletedWithWrappedException(g, r.ex);
3000	>	checkCompletedNormally(f, v1);
3001	>	}}
3002
3003		/**
3004	<	* runAfterEitherAsync result completes exceptionally if either
2783	<	* source cancelled
3004	>	* thenCompose result completes exceptionally if source cancelled
3005		*/
3006	<	public void testRunAfterEitherAsync4E() {
3007	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3008	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3009	<	Noop r = new Noop();
3010	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3011	<	assertTrue(f.cancel(true));
3012	<	checkCompletedWithWrappedCancellationException(g);
3006	>	public void testThenCompose_sourceCancelled() {
3007	>	for (ExecutionMode m : ExecutionMode.values())
3008	>	for (boolean createIncomplete : new boolean[] { true, false })
3009	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3010	>	{
3011	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3012	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3013	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3014	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3015	>	if (createIncomplete) {
3016	>	checkIncomplete(g);
3017	>	assertTrue(f.cancel(mayInterruptIfRunning));
3018	>	}
3019
2793	–	r = new Noop();
2794	–	f = new CompletableFuture<>();
2795	–	f2 = new CompletableFuture<>();
2796	–	assertTrue(f2.cancel(true));
2797	–	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3020		checkCompletedWithWrappedCancellationException(g);
3021	<	}
3022	<
2801	<	/**
2802	<	* thenComposeAsync result completes normally after normal
2803	<	* completion of source
2804	<	*/
2805	<	public void testThenComposeAsyncE() {
2806	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2807	<	CompletableFutureInc r = new CompletableFutureInc();
2808	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2809	<	f.complete(one);
2810	<	checkCompletedNormally(g, two);
2811	<	}
2812	<
2813	<	/**
2814	<	* thenComposeAsync result completes exceptionally after
2815	<	* exceptional completion of source
2816	<	*/
2817	<	public void testThenComposeAsync2E() {
2818	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2819	<	CompletableFutureInc r = new CompletableFutureInc();
2820	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2821	<	f.completeExceptionally(new CFException());
2822	<	checkCompletedWithWrappedCFException(g);
2823	<	}
3021	>	checkCancelled(f);
3022	>	}}
3023
3024		/**
3025	<	* thenComposeAsync result completes exceptionally if action does
3025	>	* thenCompose result completes exceptionally if the result of the action does
3026		*/
3027	<	public void testThenComposeAsync3E() {
3028	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3029	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3030	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3031	<	f.complete(one);
3032	<	checkCompletedWithWrappedCFException(g);
3033	<	}
3027	>	public void testThenCompose_actionReturnsFailingFuture() {
3028	>	for (ExecutionMode m : ExecutionMode.values())
3029	>	for (int order = 0; order < 6; order++)
3030	>	for (Integer v1 : new Integer[] { 1, null })
3031	>	{
3032	>	final CFException ex = new CFException();
3033	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3034	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3035	>	final CompletableFuture<Integer> h;
3036	>	// Test all permutations of orders
3037	>	switch (order) {
3038	>	case 0:
3039	>	assertTrue(f.complete(v1));
3040	>	assertTrue(g.completeExceptionally(ex));
3041	>	h = m.thenCompose(f, (x -> g));
3042	>	break;
3043	>	case 1:
3044	>	assertTrue(f.complete(v1));
3045	>	h = m.thenCompose(f, (x -> g));
3046	>	assertTrue(g.completeExceptionally(ex));
3047	>	break;
3048	>	case 2:
3049	>	assertTrue(g.completeExceptionally(ex));
3050	>	assertTrue(f.complete(v1));
3051	>	h = m.thenCompose(f, (x -> g));
3052	>	break;
3053	>	case 3:
3054	>	assertTrue(g.completeExceptionally(ex));
3055	>	h = m.thenCompose(f, (x -> g));
3056	>	assertTrue(f.complete(v1));
3057	>	break;
3058	>	case 4:
3059	>	h = m.thenCompose(f, (x -> g));
3060	>	assertTrue(f.complete(v1));
3061	>	assertTrue(g.completeExceptionally(ex));
3062	>	break;
3063	>	case 5:
3064	>	h = m.thenCompose(f, (x -> g));
3065	>	assertTrue(f.complete(v1));
3066	>	assertTrue(g.completeExceptionally(ex));
3067	>	break;
3068	>	default: throw new AssertionError();
3069	>	}
3070
3071	<	/**
3072	<	* thenComposeAsync result completes exceptionally if source cancelled
3073	<	*/
3074	<	public void testThenComposeAsync4E() {
2840	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2841	<	CompletableFutureInc r = new CompletableFutureInc();
2842	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2843	<	assertTrue(f.cancel(true));
2844	<	checkCompletedWithWrappedCancellationException(g);
2845	<	}
3071	>	checkCompletedExceptionally(g, ex);
3072	>	checkCompletedWithWrappedException(h, ex);
3073	>	checkCompletedNormally(f, v1);
3074	>	}}
3075
3076		// other static methods
3077
#	Line 2860 | Line 3089 | public class CompletableFutureTest exten
3089		* when all components complete normally
3090		*/
3091		public void testAllOf_normal() throws Exception {
3092	<	for (int k = 1; k < 20; ++k) {
3093	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3094	<	for (int i = 0; i < k; ++i)
3092	>	for (int k = 1; k < 10; k++) {
3093	>	CompletableFuture<Integer>[] fs
3094	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3095	>	for (int i = 0; i < k; i++)
3096	>	fs[i] = new CompletableFuture<>();
3097	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3098	>	for (int i = 0; i < k; i++) {
3099	>	checkIncomplete(f);
3100	>	checkIncomplete(CompletableFuture.allOf(fs));
3101	>	fs[i].complete(one);
3102	>	}
3103	>	checkCompletedNormally(f, null);
3104	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3105	>	}
3106	>	}
3107	>
3108	>	public void testAllOf_normal_backwards() throws Exception {
3109	>	for (int k = 1; k < 10; k++) {
3110	>	CompletableFuture<Integer>[] fs
3111	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3112	>	for (int i = 0; i < k; i++)
3113		fs[i] = new CompletableFuture<>();
3114		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3115	<	for (int i = 0; i < k; ++i) {
3115	>	for (int i = k - 1; i >= 0; i--) {
3116		checkIncomplete(f);
3117		checkIncomplete(CompletableFuture.allOf(fs));
3118		fs[i].complete(one);
#	Line 2875 | Line 3122 | public class CompletableFutureTest exten
3122		}
3123		}
3124
3125	+	public void testAllOf_exceptional() throws Exception {
3126	+	for (int k = 1; k < 10; k++) {
3127	+	CompletableFuture<Integer>[] fs
3128	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3129	+	CFException ex = new CFException();
3130	+	for (int i = 0; i < k; i++)
3131	+	fs[i] = new CompletableFuture<>();
3132	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3133	+	for (int i = 0; i < k; i++) {
3134	+	checkIncomplete(f);
3135	+	checkIncomplete(CompletableFuture.allOf(fs));
3136	+	if (i != k / 2) {
3137	+	fs[i].complete(i);
3138	+	checkCompletedNormally(fs[i], i);
3139	+	} else {
3140	+	fs[i].completeExceptionally(ex);
3141	+	checkCompletedExceptionally(fs[i], ex);
3142	+	}
3143	+	}
3144	+	checkCompletedWithWrappedException(f, ex);
3145	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3146	+	}
3147	+	}
3148	+
3149		/**
3150		* anyOf(no component futures) returns an incomplete future
3151		*/
3152		public void testAnyOf_empty() throws Exception {
3153	+	for (Integer v1 : new Integer[] { 1, null })
3154	+	{
3155		CompletableFuture<Object> f = CompletableFuture.anyOf();
3156		checkIncomplete(f);
3157	<	}
3157	>
3158	>	f.complete(v1);
3159	>	checkCompletedNormally(f, v1);
3160	>	}}
3161
3162		/**
3163		* anyOf returns a future completed normally with a value when
3164		* a component future does
3165		*/
3166		public void testAnyOf_normal() throws Exception {
3167	<	for (int k = 0; k < 10; ++k) {
3167	>	for (int k = 0; k < 10; k++) {
3168		CompletableFuture[] fs = new CompletableFuture[k];
3169	<	for (int i = 0; i < k; ++i)
3169	>	for (int i = 0; i < k; i++)
3170		fs[i] = new CompletableFuture<>();
3171		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3172		checkIncomplete(f);
3173	<	for (int i = 0; i < k; ++i) {
3174	<	fs[i].complete(one);
3175	<	checkCompletedNormally(f, one);
3176	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3173	>	for (int i = 0; i < k; i++) {
3174	>	fs[i].complete(i);
3175	>	checkCompletedNormally(f, 0);
3176	>	int x = (int) CompletableFuture.anyOf(fs).join();
3177	>	assertTrue(0 <= x && x <= i);
3178	>	}
3179	>	}
3180	>	}
3181	>	public void testAnyOf_normal_backwards() throws Exception {
3182	>	for (int k = 0; k < 10; k++) {
3183	>	CompletableFuture[] fs = new CompletableFuture[k];
3184	>	for (int i = 0; i < k; i++)
3185	>	fs[i] = new CompletableFuture<>();
3186	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3187	>	checkIncomplete(f);
3188	>	for (int i = k - 1; i >= 0; i--) {
3189	>	fs[i].complete(i);
3190	>	checkCompletedNormally(f, k - 1);
3191	>	int x = (int) CompletableFuture.anyOf(fs).join();
3192	>	assertTrue(i <= x && x <= k - 1);
3193		}
3194		}
3195		}
#	Line 2906 | Line 3198 | public class CompletableFutureTest exten
3198		* anyOf result completes exceptionally when any component does.
3199		*/
3200		public void testAnyOf_exceptional() throws Exception {
3201	<	for (int k = 0; k < 10; ++k) {
3201	>	for (int k = 0; k < 10; k++) {
3202		CompletableFuture[] fs = new CompletableFuture[k];
3203	<	for (int i = 0; i < k; ++i)
3203	>	CFException[] exs = new CFException[k];
3204	>	for (int i = 0; i < k; i++) {
3205		fs[i] = new CompletableFuture<>();
3206	+	exs[i] = new CFException();
3207	+	}
3208		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3209		checkIncomplete(f);
3210	<	for (int i = 0; i < k; ++i) {
3211	<	fs[i].completeExceptionally(new CFException());
3212	<	checkCompletedWithWrappedCFException(f);
3210	>	for (int i = 0; i < k; i++) {
3211	>	fs[i].completeExceptionally(exs[i]);
3212	>	checkCompletedWithWrappedException(f, exs[0]);
3213	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3214	>	}
3215	>	}
3216	>	}
3217	>
3218	>	public void testAnyOf_exceptional_backwards() throws Exception {
3219	>	for (int k = 0; k < 10; k++) {
3220	>	CompletableFuture[] fs = new CompletableFuture[k];
3221	>	CFException[] exs = new CFException[k];
3222	>	for (int i = 0; i < k; i++) {
3223	>	fs[i] = new CompletableFuture<>();
3224	>	exs[i] = new CFException();
3225	>	}
3226	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3227	>	checkIncomplete(f);
3228	>	for (int i = k - 1; i >= 0; i--) {
3229	>	fs[i].completeExceptionally(exs[i]);
3230	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3231		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3232		}
3233		}
#	Line 2923 | Line 3236 | public class CompletableFutureTest exten
3236		/**
3237		* Completion methods throw NullPointerException with null arguments
3238		*/
3239	+	@SuppressWarnings("FutureReturnValueIgnored")
3240		public void testNPE() {
3241		CompletableFuture<Integer> f = new CompletableFuture<>();
3242		CompletableFuture<Integer> g = new CompletableFuture<>();
3243		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2930	–	CompletableFuture<?> h;
3244		ThreadExecutor exec = new ThreadExecutor();
3245
3246		Runnable[] throwingActions = {
3247		() -> CompletableFuture.supplyAsync(null),
3248		() -> CompletableFuture.supplyAsync(null, exec),
3249	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3249	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3250
3251		() -> CompletableFuture.runAsync(null),
3252		() -> CompletableFuture.runAsync(null, exec),
#	Line 2943 | Line 3256 | public class CompletableFutureTest exten
3256
3257		() -> f.thenApply(null),
3258		() -> f.thenApplyAsync(null),
3259	<	() -> f.thenApplyAsync((x) -> x, null),
3259	>	() -> f.thenApplyAsync(x -> x, null),
3260		() -> f.thenApplyAsync(null, exec),
3261
3262		() -> f.thenAccept(null),
3263		() -> f.thenAcceptAsync(null),
3264	<	() -> f.thenAcceptAsync((x) -> {} , null),
3264	>	() -> f.thenAcceptAsync(x -> {} , null),
3265		() -> f.thenAcceptAsync(null, exec),
3266
3267		() -> f.thenRun(null),
#	Line 2983 | Line 3296 | public class CompletableFutureTest exten
3296		() -> f.applyToEither(g, null),
3297		() -> f.applyToEitherAsync(g, null),
3298		() -> f.applyToEitherAsync(g, null, exec),
3299	<	() -> f.applyToEither(nullFuture, (x) -> x),
3300	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
3301	<	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
3302	<	() -> f.applyToEitherAsync(g, (x) -> x, null),
3299	>	() -> f.applyToEither(nullFuture, x -> x),
3300	>	() -> f.applyToEitherAsync(nullFuture, x -> x),
3301	>	() -> f.applyToEitherAsync(nullFuture, x -> x, exec),
3302	>	() -> f.applyToEitherAsync(g, x -> x, null),
3303
3304		() -> f.acceptEither(g, null),
3305		() -> f.acceptEitherAsync(g, null),
3306		() -> f.acceptEitherAsync(g, null, exec),
3307	<	() -> f.acceptEither(nullFuture, (x) -> {}),
3308	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
3309	<	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
3310	<	() -> f.acceptEitherAsync(g, (x) -> {}, null),
3307	>	() -> f.acceptEither(nullFuture, x -> {}),
3308	>	() -> f.acceptEitherAsync(nullFuture, x -> {}),
3309	>	() -> f.acceptEitherAsync(nullFuture, x -> {}, exec),
3310	>	() -> f.acceptEitherAsync(g, x -> {}, null),
3311
3312		() -> f.runAfterEither(g, null),
3313		() -> f.runAfterEitherAsync(g, null),
#	Line 3006 | Line 3319 | public class CompletableFutureTest exten
3319
3320		() -> f.thenCompose(null),
3321		() -> f.thenComposeAsync(null),
3322	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3322	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3323		() -> f.thenComposeAsync(null, exec),
3324
3325		() -> f.exceptionally(null),
#	Line 3024 | Line 3337 | public class CompletableFutureTest exten
3337		() -> CompletableFuture.anyOf(null, f),
3338
3339		() -> f.obtrudeException(null),
3340	+
3341	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3342	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3343	+	() -> CompletableFuture.delayedExecutor(1L, null),
3344	+
3345	+	() -> f.orTimeout(1L, null),
3346	+	() -> f.completeOnTimeout(42, 1L, null),
3347	+
3348	+	() -> CompletableFuture.failedFuture(null),
3349	+	() -> CompletableFuture.failedStage(null),
3350		};
3351
3352		assertThrows(NullPointerException.class, throwingActions);
#	Line 3031 | Line 3354 | public class CompletableFutureTest exten
3354		}
3355
3356		/**
3357	+	* Test submissions to an executor that rejects all tasks.
3358	+	*/
3359	+	public void testRejectingExecutor() {
3360	+	for (Integer v : new Integer[] { 1, null })
3361	+	{
3362	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3363	+
3364	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3365	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3366	+
3367	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3368	+
3369	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3370	+	srcs.add(complete);
3371	+	srcs.add(incomplete);
3372	+
3373	+	for (CompletableFuture<Integer> src : srcs) {
3374	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3375	+	fs.add(src.thenRunAsync(() -> {}, e));
3376	+	fs.add(src.thenAcceptAsync(z -> {}, e));
3377	+	fs.add(src.thenApplyAsync(z -> z, e));
3378	+
3379	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3380	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3381	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3382	+
3383	+	fs.add(src.applyToEitherAsync(src, z -> z, e));
3384	+	fs.add(src.acceptEitherAsync(src, z -> {}, e));
3385	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3386	+
3387	+	fs.add(src.thenComposeAsync(z -> null, e));
3388	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3389	+	fs.add(src.handleAsync((z, t) -> null, e));
3390	+
3391	+	for (CompletableFuture<?> future : fs) {
3392	+	if (src.isDone())
3393	+	checkCompletedWithWrappedException(future, e.ex);
3394	+	else
3395	+	checkIncomplete(future);
3396	+	}
3397	+	futures.addAll(fs);
3398	+	}
3399	+
3400	+	{
3401	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3402	+
3403	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3404	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3405	+
3406	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3407	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3408	+
3409	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3410	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3411	+
3412	+	for (CompletableFuture<?> future : fs)
3413	+	checkIncomplete(future);
3414	+	futures.addAll(fs);
3415	+	}
3416	+
3417	+	{
3418	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3419	+
3420	+	fs.add(complete.applyToEitherAsync(incomplete, z -> z, e));
3421	+	fs.add(incomplete.applyToEitherAsync(complete, z -> z, e));
3422	+
3423	+	fs.add(complete.acceptEitherAsync(incomplete, z -> {}, e));
3424	+	fs.add(incomplete.acceptEitherAsync(complete, z -> {}, e));
3425	+
3426	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3427	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3428	+
3429	+	for (CompletableFuture<?> future : fs)
3430	+	checkCompletedWithWrappedException(future, e.ex);
3431	+	futures.addAll(fs);
3432	+	}
3433	+
3434	+	incomplete.complete(v);
3435	+
3436	+	for (CompletableFuture<?> future : futures)
3437	+	checkCompletedWithWrappedException(future, e.ex);
3438	+
3439	+	assertEquals(futures.size(), e.count.get());
3440	+	}}
3441	+
3442	+	/**
3443	+	* Test submissions to an executor that rejects all tasks, but
3444	+	* should never be invoked because the dependent future is
3445	+	* explicitly completed.
3446	+	*/
3447	+	public void testRejectingExecutorNeverInvoked() {
3448	+	for (Integer v : new Integer[] { 1, null })
3449	+	{
3450	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3451	+
3452	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3453	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3454	+
3455	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3456	+
3457	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3458	+	srcs.add(complete);
3459	+	srcs.add(incomplete);
3460	+
3461	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3462	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3463	+	fs.add(incomplete.thenAcceptAsync(z -> {}, e));
3464	+	fs.add(incomplete.thenApplyAsync(z -> z, e));
3465	+
3466	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3467	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3468	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3469	+
3470	+	fs.add(incomplete.applyToEitherAsync(incomplete, z -> z, e));
3471	+	fs.add(incomplete.acceptEitherAsync(incomplete, z -> {}, e));
3472	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3473	+
3474	+	fs.add(incomplete.thenComposeAsync(z -> null, e));
3475	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3476	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3477	+
3478	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3479	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3480	+
3481	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3482	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3483	+
3484	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3485	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3486	+
3487	+	for (CompletableFuture<?> future : fs)
3488	+	checkIncomplete(future);
3489	+
3490	+	for (CompletableFuture<?> future : fs)
3491	+	future.complete(null);
3492	+
3493	+	incomplete.complete(v);
3494	+
3495	+	for (CompletableFuture<?> future : fs)
3496	+	checkCompletedNormally(future, null);
3497	+
3498	+	assertEquals(0, e.count.get());
3499	+	}}
3500	+
3501	+	/**
3502		* toCompletableFuture returns this CompletableFuture.
3503		*/
3504		public void testToCompletableFuture() {
#	Line 3038 | Line 3506 | public class CompletableFutureTest exten
3506		assertSame(f, f.toCompletableFuture());
3507		}
3508
3509	+	// jdk9
3510	+
3511		/**
3512	<	* whenComplete action executes on normal completion, propagating
3043	<	* source result.
3512	>	* newIncompleteFuture returns an incomplete CompletableFuture
3513		*/
3514	<	public void testWhenComplete1() {
3515	<	final AtomicInteger a = new AtomicInteger();
3514	>	public void testNewIncompleteFuture() {
3515	>	for (Integer v1 : new Integer[] { 1, null })
3516	>	{
3517		CompletableFuture<Integer> f = new CompletableFuture<>();
3518	<	CompletableFuture<Integer> g =
3519	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3520	<	f.complete(three);
3521	<	checkCompletedNormally(f, three);
3522	<	checkCompletedNormally(g, three);
3523	<	assertEquals(a.get(), 1);
3518	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3519	>	checkIncomplete(f);
3520	>	checkIncomplete(g);
3521	>	f.complete(v1);
3522	>	checkCompletedNormally(f, v1);
3523	>	checkIncomplete(g);
3524	>	g.complete(v1);
3525	>	checkCompletedNormally(g, v1);
3526	>	assertSame(g.getClass(), CompletableFuture.class);
3527	>	}}
3528	>
3529	>	/**
3530	>	* completedStage returns a completed CompletionStage
3531	>	*/
3532	>	public void testCompletedStage() {
3533	>	AtomicInteger x = new AtomicInteger(0);
3534	>	AtomicReference<Throwable> r = new AtomicReference<>();
3535	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3536	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3537	>	assertEquals(x.get(), 1);
3538	>	assertNull(r.get());
3539		}
3540
3541		/**
3542	<	* whenComplete action executes on exceptional completion, propagating
3543	<	* source result.
3542	>	* defaultExecutor by default returns the commonPool if
3543	>	* it supports more than one thread.
3544		*/
3545	<	public void testWhenComplete2() {
3061	<	final AtomicInteger a = new AtomicInteger();
3545	>	public void testDefaultExecutor() {
3546		CompletableFuture<Integer> f = new CompletableFuture<>();
3547	<	CompletableFuture<Integer> g =
3548	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3549	<	f.completeExceptionally(new CFException());
3550	<	assertTrue(f.isCompletedExceptionally());
3551	<	assertTrue(g.isCompletedExceptionally());
3552	<	assertEquals(a.get(), 1);
3547	>	Executor e = f.defaultExecutor();
3548	>	Executor c = ForkJoinPool.commonPool();
3549	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3550	>	assertSame(e, c);
3551	>	else
3552	>	assertNotSame(e, c);
3553		}
3554
3555		/**
3556	<	* If a whenComplete action throws an exception when triggered by
3557	<	* a normal completion, it completes exceptionally
3556	>	* failedFuture returns a CompletableFuture completed
3557	>	* exceptionally with the given Exception
3558	>	*/
3559	>	public void testFailedFuture() {
3560	>	CFException ex = new CFException();
3561	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3562	>	checkCompletedExceptionally(f, ex);
3563	>	}
3564	>
3565	>	/**
3566	>	* failedFuture(null) throws NPE
3567	>	*/
3568	>	public void testFailedFuture_null() {
3569	>	try {
3570	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3571	>	shouldThrow();
3572	>	} catch (NullPointerException success) {}
3573	>	}
3574	>
3575	>	/**
3576	>	* copy returns a CompletableFuture that is completed normally,
3577	>	* with the same value, when source is.
3578		*/
3579	<	public void testWhenComplete3() {
3579	>	public void testCopy_normalCompletion() {
3580	>	for (boolean createIncomplete : new boolean[] { true, false })
3581	>	for (Integer v1 : new Integer[] { 1, null })
3582	>	{
3583		CompletableFuture<Integer> f = new CompletableFuture<>();
3584	<	CompletableFuture<Integer> g =
3585	<	f.whenComplete((Integer x, Throwable t) ->
3586	<	{ throw new CFException(); } );
3587	<	f.complete(three);
3588	<	checkCompletedNormally(f, three);
3589	<	assertTrue(g.isCompletedExceptionally());
3590	<	checkCompletedWithWrappedCFException(g);
3584	>	if (!createIncomplete) assertTrue(f.complete(v1));
3585	>	CompletableFuture<Integer> g = f.copy();
3586	>	if (createIncomplete) {
3587	>	checkIncomplete(f);
3588	>	checkIncomplete(g);
3589	>	assertTrue(f.complete(v1));
3590	>	}
3591	>	checkCompletedNormally(f, v1);
3592	>	checkCompletedNormally(g, v1);
3593	>	}}
3594	>
3595	>	/**
3596	>	* copy returns a CompletableFuture that is completed exceptionally
3597	>	* when source is.
3598	>	*/
3599	>	public void testCopy_exceptionalCompletion() {
3600	>	for (boolean createIncomplete : new boolean[] { true, false })
3601	>	{
3602	>	CFException ex = new CFException();
3603	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3604	>	if (!createIncomplete) f.completeExceptionally(ex);
3605	>	CompletableFuture<Integer> g = f.copy();
3606	>	if (createIncomplete) {
3607	>	checkIncomplete(f);
3608	>	checkIncomplete(g);
3609	>	f.completeExceptionally(ex);
3610	>	}
3611	>	checkCompletedExceptionally(f, ex);
3612	>	checkCompletedWithWrappedException(g, ex);
3613	>	}}
3614	>
3615	>	/**
3616	>	* Completion of a copy does not complete its source.
3617	>	*/
3618	>	public void testCopy_oneWayPropagation() {
3619	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3620	>	assertTrue(f.copy().complete(1));
3621	>	assertTrue(f.copy().complete(null));
3622	>	assertTrue(f.copy().cancel(true));
3623	>	assertTrue(f.copy().cancel(false));
3624	>	assertTrue(f.copy().completeExceptionally(new CFException()));
3625	>	checkIncomplete(f);
3626		}
3627
3628		/**
3629	<	* whenCompleteAsync action executes on normal completion, propagating
3630	<	* source result.
3629	>	* minimalCompletionStage returns a CompletableFuture that is
3630	>	* completed normally, with the same value, when source is.
3631		*/
3632	<	public void testWhenCompleteAsync1() {
3091	<	final AtomicInteger a = new AtomicInteger();
3632	>	public void testMinimalCompletionStage() {
3633		CompletableFuture<Integer> f = new CompletableFuture<>();
3634	<	CompletableFuture<Integer> g =
3635	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3636	<	f.complete(three);
3637	<	checkCompletedNormally(f, three);
3638	<	checkCompletedNormally(g, three);
3639	<	assertEquals(a.get(), 1);
3634	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3635	>	AtomicInteger x = new AtomicInteger(0);
3636	>	AtomicReference<Throwable> r = new AtomicReference<>();
3637	>	checkIncomplete(f);
3638	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3639	>	f.complete(1);
3640	>	checkCompletedNormally(f, 1);
3641	>	assertEquals(x.get(), 1);
3642	>	assertNull(r.get());
3643		}
3644
3645		/**
3646	<	* whenCompleteAsync action executes on exceptional completion, propagating
3647	<	* source result.
3646	>	* minimalCompletionStage returns a CompletableFuture that is
3647	>	* completed exceptionally when source is.
3648		*/
3649	<	public void testWhenCompleteAsync2() {
3106	<	final AtomicInteger a = new AtomicInteger();
3649	>	public void testMinimalCompletionStage2() {
3650		CompletableFuture<Integer> f = new CompletableFuture<>();
3651	<	CompletableFuture<Integer> g =
3652	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3653	<	f.completeExceptionally(new CFException());
3654	<	checkCompletedWithWrappedCFException(f);
3655	<	checkCompletedWithWrappedCFException(g);
3651	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3652	>	AtomicInteger x = new AtomicInteger(0);
3653	>	AtomicReference<Throwable> r = new AtomicReference<>();
3654	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3655	>	checkIncomplete(f);
3656	>	CFException ex = new CFException();
3657	>	f.completeExceptionally(ex);
3658	>	checkCompletedExceptionally(f, ex);
3659	>	assertEquals(x.get(), 0);
3660	>	assertEquals(r.get().getCause(), ex);
3661	>	}
3662	>
3663	>	/**
3664	>	* failedStage returns a CompletionStage completed
3665	>	* exceptionally with the given Exception
3666	>	*/
3667	>	public void testFailedStage() {
3668	>	CFException ex = new CFException();
3669	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3670	>	AtomicInteger x = new AtomicInteger(0);
3671	>	AtomicReference<Throwable> r = new AtomicReference<>();
3672	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3673	>	assertEquals(x.get(), 0);
3674	>	assertEquals(r.get(), ex);
3675		}
3676
3677		/**
3678	<	* If a whenCompleteAsync action throws an exception when
3117	<	* triggered by a normal completion, it completes exceptionally
3678	>	* completeAsync completes with value of given supplier
3679		*/
3680	<	public void testWhenCompleteAsync3() {
3680	>	public void testCompleteAsync() {
3681	>	for (Integer v1 : new Integer[] { 1, null })
3682	>	{
3683		CompletableFuture<Integer> f = new CompletableFuture<>();
3684	<	CompletableFuture<Integer> g =
3685	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3686	<	{ throw new CFException(); } );
3687	<	f.complete(three);
3688	<	checkCompletedNormally(f, three);
3689	<	checkCompletedWithWrappedCFException(g);
3684	>	f.completeAsync(() -> v1);
3685	>	f.join();
3686	>	checkCompletedNormally(f, v1);
3687	>	}}
3688	>
3689	>	/**
3690	>	* completeAsync completes exceptionally if given supplier throws
3691	>	*/
3692	>	public void testCompleteAsync2() {
3693	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3694	>	CFException ex = new CFException();
3695	>	f.completeAsync(() -> { throw ex; });
3696	>	try {
3697	>	f.join();
3698	>	shouldThrow();
3699	>	} catch (CompletionException success) {}
3700	>	checkCompletedWithWrappedException(f, ex);
3701		}
3702
3703		/**
3704	<	* whenCompleteAsync action executes on normal completion, propagating
3131	<	* source result.
3704	>	* completeAsync with given executor completes with value of given supplier
3705		*/
3706	<	public void testWhenCompleteAsync1e() {
3707	<	final AtomicInteger a = new AtomicInteger();
3708	<	ThreadExecutor exec = new ThreadExecutor();
3706	>	public void testCompleteAsync3() {
3707	>	for (Integer v1 : new Integer[] { 1, null })
3708	>	{
3709		CompletableFuture<Integer> f = new CompletableFuture<>();
3710	<	CompletableFuture<Integer> g =
3711	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3712	<	exec);
3713	<	f.complete(three);
3714	<	checkCompletedNormally(f, three);
3715	<	checkCompletedNormally(g, three);
3716	<	assertEquals(a.get(), 1);
3710	>	ThreadExecutor executor = new ThreadExecutor();
3711	>	f.completeAsync(() -> v1, executor);
3712	>	assertSame(v1, f.join());
3713	>	checkCompletedNormally(f, v1);
3714	>	assertEquals(1, executor.count.get());
3715	>	}}
3716	>
3717	>	/**
3718	>	* completeAsync with given executor completes exceptionally if
3719	>	* given supplier throws
3720	>	*/
3721	>	public void testCompleteAsync4() {
3722	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3723	>	CFException ex = new CFException();
3724	>	ThreadExecutor executor = new ThreadExecutor();
3725	>	f.completeAsync(() -> { throw ex; }, executor);
3726	>	try {
3727	>	f.join();
3728	>	shouldThrow();
3729	>	} catch (CompletionException success) {}
3730	>	checkCompletedWithWrappedException(f, ex);
3731	>	assertEquals(1, executor.count.get());
3732		}
3733
3734		/**
3735	<	* whenCompleteAsync action executes on exceptional completion, propagating
3148	<	* source result.
3735	>	* orTimeout completes with TimeoutException if not complete
3736		*/
3737	<	public void testWhenCompleteAsync2e() {
3738	<	final AtomicInteger a = new AtomicInteger();
3152	<	ThreadExecutor exec = new ThreadExecutor();
3737	>	public void testOrTimeout_timesOut() {
3738	>	long timeoutMillis = timeoutMillis();
3739		CompletableFuture<Integer> f = new CompletableFuture<>();
3740	<	CompletableFuture<Integer> g =
3741	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3742	<	exec);
3743	<	f.completeExceptionally(new CFException());
3158	<	checkCompletedWithWrappedCFException(f);
3159	<	checkCompletedWithWrappedCFException(g);
3740	>	long startTime = System.nanoTime();
3741	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3742	>	checkCompletedWithTimeoutException(f);
3743	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3744		}
3745
3746		/**
3747	<	* If a whenCompleteAsync action throws an exception when triggered
3164	<	* by a normal completion, it completes exceptionally
3747	>	* orTimeout completes normally if completed before timeout
3748		*/
3749	<	public void testWhenCompleteAsync3e() {
3750	<	ThreadExecutor exec = new ThreadExecutor();
3749	>	public void testOrTimeout_completed() {
3750	>	for (Integer v1 : new Integer[] { 1, null })
3751	>	{
3752		CompletableFuture<Integer> f = new CompletableFuture<>();
3753	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3754	+	long startTime = System.nanoTime();
3755	+	f.complete(v1);
3756	+	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3757	+	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3758	+	g.complete(v1);
3759	+	checkCompletedNormally(f, v1);
3760	+	checkCompletedNormally(g, v1);
3761	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3762	+	}}
3763	+
3764	+	/**
3765	+	* completeOnTimeout completes with given value if not complete
3766	+	*/
3767	+	public void testCompleteOnTimeout_timesOut() {
3768	+	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3769	+	() -> testCompleteOnTimeout_timesOut(null));
3770	+	}
3771	+
3772	+	/**
3773	+	* completeOnTimeout completes with given value if not complete
3774	+	*/
3775	+	public void testCompleteOnTimeout_timesOut(Integer v) {
3776	+	long timeoutMillis = timeoutMillis();
3777	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3778	+	long startTime = System.nanoTime();
3779	+	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3780	+	assertSame(v, f.join());
3781	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3782	+	f.complete(99);         // should have no effect
3783	+	checkCompletedNormally(f, v);
3784	+	}
3785	+
3786	+	/**
3787	+	* completeOnTimeout has no effect if completed within timeout
3788	+	*/
3789	+	public void testCompleteOnTimeout_completed() {
3790	+	for (Integer v1 : new Integer[] { 1, null })
3791	+	{
3792	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3793	+	CompletableFuture<Integer> g = new CompletableFuture<>();
3794	+	long startTime = System.nanoTime();
3795	+	f.complete(v1);
3796	+	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3797	+	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3798	+	g.complete(v1);
3799	+	checkCompletedNormally(f, v1);
3800	+	checkCompletedNormally(g, v1);
3801	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3802	+	}}
3803	+
3804	+	/**
3805	+	* delayedExecutor returns an executor that delays submission
3806	+	*/
3807	+	public void testDelayedExecutor() {
3808	+	testInParallel(() -> testDelayedExecutor(null, null),
3809	+	() -> testDelayedExecutor(null, 1),
3810	+	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3811	+	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3812	+	}
3813	+
3814	+	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3815	+	long timeoutMillis = timeoutMillis();
3816	+	// Use an "unreasonably long" long timeout to catch lingering threads
3817	+	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3818	+	final Executor delayer, longDelayer;
3819	+	if (executor == null) {
3820	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3821	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3822	+	} else {
3823	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3824	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3825	+	}
3826	+	long startTime = System.nanoTime();
3827	+	CompletableFuture<Integer> f =
3828	+	CompletableFuture.supplyAsync(() -> v, delayer);
3829		CompletableFuture<Integer> g =
3830	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3831	<	{ throw new CFException(); },
3832	<	exec);
3833	<	f.complete(three);
3834	<	checkCompletedNormally(f, three);
3835	<	checkCompletedWithWrappedCFException(g);
3830	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3831	>
3832	>	assertNull(g.getNow(null));
3833	>
3834	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3835	>	long millisElapsed = millisElapsedSince(startTime);
3836	>	assertTrue(millisElapsed >= timeoutMillis);
3837	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3838	>
3839	>	checkCompletedNormally(f, v);
3840	>
3841	>	checkIncomplete(g);
3842	>	assertTrue(g.cancel(true));
3843	>	}
3844	>
3845	>	//--- tests of implementation details; not part of official tck ---
3846	>
3847	>	Object resultOf(CompletableFuture<?> f) {
3848	>	SecurityManager sm = System.getSecurityManager();
3849	>	if (sm != null) {
3850	>	try {
3851	>	System.setSecurityManager(null);
3852	>	} catch (SecurityException giveUp) {
3853	>	return "Reflection not available";
3854	>	}
3855	>	}
3856	>
3857	>	try {
3858	>	java.lang.reflect.Field resultField
3859	>	= CompletableFuture.class.getDeclaredField("result");
3860	>	resultField.setAccessible(true);
3861	>	return resultField.get(f);
3862	>	} catch (Throwable t) {
3863	>	throw new AssertionError(t);
3864	>	} finally {
3865	>	if (sm != null) System.setSecurityManager(sm);
3866	>	}
3867		}
3868
3869	+	public void testExceptionPropagationReusesResultObject() {
3870	+	if (!testImplementationDetails) return;
3871	+	for (ExecutionMode m : ExecutionMode.values())
3872	+	{
3873	+	final CFException ex = new CFException();
3874	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3875	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3876	+
3877	+	final Runnable noopRunnable = new Noop(m);
3878	+	final Consumer<Integer> noopConsumer = new NoopConsumer(m);
3879	+	final Function<Integer, Integer> incFunction = new IncFunction(m);
3880	+
3881	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3882	+	= new ArrayList<>();
3883	+
3884	+	funs.add(y -> m.thenRun(y, noopRunnable));
3885	+	funs.add(y -> m.thenAccept(y, noopConsumer));
3886	+	funs.add(y -> m.thenApply(y, incFunction));
3887	+
3888	+	funs.add(y -> m.runAfterEither(y, incomplete, noopRunnable));
3889	+	funs.add(y -> m.acceptEither(y, incomplete, noopConsumer));
3890	+	funs.add(y -> m.applyToEither(y, incomplete, incFunction));
3891	+
3892	+	funs.add(y -> m.runAfterBoth(y, v42, noopRunnable));
3893	+	funs.add(y -> m.runAfterBoth(v42, y, noopRunnable));
3894	+	funs.add(y -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3895	+	funs.add(y -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3896	+	funs.add(y -> m.thenCombine(y, v42, new SubtractFunction(m)));
3897	+	funs.add(y -> m.thenCombine(v42, y, new SubtractFunction(m)));
3898	+
3899	+	funs.add(y -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3900	+
3901	+	funs.add(y -> m.thenCompose(y, new CompletableFutureInc(m)));
3902	+
3903	+	funs.add(y -> CompletableFuture.allOf(y));
3904	+	funs.add(y -> CompletableFuture.allOf(y, v42));
3905	+	funs.add(y -> CompletableFuture.allOf(v42, y));
3906	+	funs.add(y -> CompletableFuture.anyOf(y));
3907	+	funs.add(y -> CompletableFuture.anyOf(y, incomplete));
3908	+	funs.add(y -> CompletableFuture.anyOf(incomplete, y));
3909	+
3910	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3911	+	fun : funs) {
3912	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3913	+	f.completeExceptionally(ex);
3914	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3915	+	checkCompletedWithWrappedException(src, ex);
3916	+	CompletableFuture<?> dep = fun.apply(src);
3917	+	checkCompletedWithWrappedException(dep, ex);
3918	+	assertSame(resultOf(src), resultOf(dep));
3919	+	}
3920	+
3921	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3922	+	fun : funs) {
3923	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3924	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3925	+	CompletableFuture<?> dep = fun.apply(src);
3926	+	f.completeExceptionally(ex);
3927	+	checkCompletedWithWrappedException(src, ex);
3928	+	checkCompletedWithWrappedException(dep, ex);
3929	+	assertSame(resultOf(src), resultOf(dep));
3930	+	}
3931	+
3932	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3933	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3934	+	fun : funs) {
3935	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3936	+	f.cancel(mayInterruptIfRunning);
3937	+	checkCancelled(f);
3938	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3939	+	checkCompletedWithWrappedCancellationException(src);
3940	+	CompletableFuture<?> dep = fun.apply(src);
3941	+	checkCompletedWithWrappedCancellationException(dep);
3942	+	assertSame(resultOf(src), resultOf(dep));
3943	+	}
3944	+
3945	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3946	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3947	+	fun : funs) {
3948	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3949	+	CompletableFuture<Integer> src = m.thenApply(f, incFunction);
3950	+	CompletableFuture<?> dep = fun.apply(src);
3951	+	f.cancel(mayInterruptIfRunning);
3952	+	checkCancelled(f);
3953	+	checkCompletedWithWrappedCancellationException(src);
3954	+	checkCompletedWithWrappedCancellationException(dep);
3955	+	assertSame(resultOf(src), resultOf(dep));
3956	+	}
3957	+	}}
3958	+
3959		/**
3960	<	* handleAsync action completes normally with function value on
3180	<	* either normal or exceptional completion of source
3960	>	* Minimal completion stages throw UOE for most non-CompletionStage methods
3961		*/
3962	<	public void testHandleAsync() {
3963	<	CompletableFuture<Integer> f, g;
3964	<	IntegerHandler r;
3962	>	public void testMinimalCompletionStage_minimality() {
3963	>	if (!testImplementationDetails) return;
3964	>	Function<Method, String> toSignature =
3965	>	method -> method.getName() + Arrays.toString(method.getParameterTypes());
3966	>	Predicate<Method> isNotStatic =
3967	>	method -> (method.getModifiers() & Modifier.STATIC) == 0;
3968	>	List<Method> minimalMethods =
3969	>	Stream.of(Object.class, CompletionStage.class)
3970	>	.flatMap(klazz -> Stream.of(klazz.getMethods()))
3971	>	.filter(isNotStatic)
3972	>	.collect(Collectors.toList());
3973	>	// Methods from CompletableFuture permitted NOT to throw UOE
3974	>	String[] signatureWhitelist = {
3975	>	"newIncompleteFuture[]",
3976	>	"defaultExecutor[]",
3977	>	"minimalCompletionStage[]",
3978	>	"copy[]",
3979	>	};
3980	>	Set<String> permittedMethodSignatures =
3981	>	Stream.concat(minimalMethods.stream().map(toSignature),
3982	>	Stream.of(signatureWhitelist))
3983	>	.collect(Collectors.toSet());
3984	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3985	>	.filter(isNotStatic)
3986	>	.filter(method -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3987	>	.collect(Collectors.toList());
3988	>
3989	>	List<CompletionStage<Integer>> stages = new ArrayList<>();
3990	>	CompletionStage<Integer> min =
3991	>	new CompletableFuture<Integer>().minimalCompletionStage();
3992	>	stages.add(min);
3993	>	stages.add(min.thenApply(x -> x));
3994	>	stages.add(CompletableFuture.completedStage(1));
3995	>	stages.add(CompletableFuture.failedStage(new CFException()));
3996	>
3997	>	List<Method> bugs = new ArrayList<>();
3998	>	for (Method method : allMethods) {
3999	>	Class<?>[] parameterTypes = method.getParameterTypes();
4000	>	Object[] args = new Object[parameterTypes.length];
4001	>	// Manufacture boxed primitives for primitive params
4002	>	for (int i = 0; i < args.length; i++) {
4003	>	Class<?> type = parameterTypes[i];
4004	>	if (parameterTypes[i] == boolean.class)
4005	>	args[i] = false;
4006	>	else if (parameterTypes[i] == int.class)
4007	>	args[i] = 0;
4008	>	else if (parameterTypes[i] == long.class)
4009	>	args[i] = 0L;
4010	>	}
4011	>	for (CompletionStage<Integer> stage : stages) {
4012	>	try {
4013	>	method.invoke(stage, args);
4014	>	bugs.add(method);
4015	>	}
4016	>	catch (java.lang.reflect.InvocationTargetException expected) {
4017	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
4018	>	bugs.add(method);
4019	>	// expected.getCause().printStackTrace();
4020	>	}
4021	>	}
4022	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
4023	>	}
4024	>	}
4025	>	if (!bugs.isEmpty())
4026	>	throw new Error("Methods did not throw UOE: " + bugs);
4027	>	}
4028
4029	<	f = new CompletableFuture<>();
4030	<	g = f.handleAsync(r = new IntegerHandler());
4031	<	assertFalse(r.ran);
4032	<	f.completeExceptionally(new CFException());
4033	<	checkCompletedWithWrappedCFException(f);
4034	<	checkCompletedNormally(g, three);
4035	<	assertTrue(r.ran);
4029	>	/**
4030	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4031	>	* is completed normally, with the same value, when source is.
4032	>	*/
4033	>	public void testMinimalCompletionStage_toCompletableFuture_normalCompletion() {
4034	>	for (boolean createIncomplete : new boolean[] { true, false })
4035	>	for (Integer v1 : new Integer[] { 1, null })
4036	>	{
4037	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4038	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4039	>	if (!createIncomplete) assertTrue(f.complete(v1));
4040	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4041	>	if (createIncomplete) {
4042	>	checkIncomplete(f);
4043	>	checkIncomplete(g);
4044	>	assertTrue(f.complete(v1));
4045	>	}
4046	>	checkCompletedNormally(f, v1);
4047	>	checkCompletedNormally(g, v1);
4048	>	}}
4049	>
4050	>	/**
4051	>	* minimalStage.toCompletableFuture() returns a CompletableFuture that
4052	>	* is completed exceptionally when source is.
4053	>	*/
4054	>	public void testMinimalCompletionStage_toCompletableFuture_exceptionalCompletion() {
4055	>	for (boolean createIncomplete : new boolean[] { true, false })
4056	>	{
4057	>	CFException ex = new CFException();
4058	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4059	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4060	>	if (!createIncomplete) f.completeExceptionally(ex);
4061	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4062	>	if (createIncomplete) {
4063	>	checkIncomplete(f);
4064	>	checkIncomplete(g);
4065	>	f.completeExceptionally(ex);
4066	>	}
4067	>	checkCompletedExceptionally(f, ex);
4068	>	checkCompletedWithWrappedException(g, ex);
4069	>	}}
4070
4071	<	f = new CompletableFuture<>();
4072	<	g = f.handleAsync(r = new IntegerHandler());
4073	<	assertFalse(r.ran);
4074	<	f.completeExceptionally(new CFException());
4075	<	checkCompletedWithWrappedCFException(f);
4076	<	checkCompletedNormally(g, three);
4077	<	assertTrue(r.ran);
4071	>	/**
4072	>	* minimalStage.toCompletableFuture() gives mutable CompletableFuture
4073	>	*/
4074	>	public void testMinimalCompletionStage_toCompletableFuture_mutable() {
4075	>	for (Integer v1 : new Integer[] { 1, null })
4076	>	{
4077	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4078	>	CompletionStage minimal = f.minimalCompletionStage();
4079	>	CompletableFuture<Integer> g = minimal.toCompletableFuture();
4080	>	assertTrue(g.complete(v1));
4081	>	checkCompletedNormally(g, v1);
4082	>	checkIncomplete(f);
4083	>	checkIncomplete(minimal.toCompletableFuture());
4084	>	}}
4085
4086	<	f = new CompletableFuture<>();
4087	<	g = f.handleAsync(r = new IntegerHandler());
4088	<	assertFalse(r.ran);
4089	<	f.complete(one);
4090	<	checkCompletedNormally(f, one);
4091	<	checkCompletedNormally(g, two);
4092	<	assertTrue(r.ran);
4086	>	/**
4087	>	* minimalStage.toCompletableFuture().join() awaits completion
4088	>	*/
4089	>	public void testMinimalCompletionStage_toCompletableFuture_join() throws Exception {
4090	>	for (boolean createIncomplete : new boolean[] { true, false })
4091	>	for (Integer v1 : new Integer[] { 1, null })
4092	>	{
4093	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4094	>	if (!createIncomplete) assertTrue(f.complete(v1));
4095	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4096	>	if (createIncomplete) assertTrue(f.complete(v1));
4097	>	assertEquals(v1, minimal.toCompletableFuture().join());
4098	>	assertEquals(v1, minimal.toCompletableFuture().get());
4099	>	checkCompletedNormally(minimal.toCompletableFuture(), v1);
4100	>	}}
4101	>
4102	>	/**
4103	>	* Completion of a toCompletableFuture copy of a minimal stage
4104	>	* does not complete its source.
4105	>	*/
4106	>	public void testMinimalCompletionStage_toCompletableFuture_oneWayPropagation() {
4107	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4108	>	CompletionStage<Integer> g = f.minimalCompletionStage();
4109	>	assertTrue(g.toCompletableFuture().complete(1));
4110	>	assertTrue(g.toCompletableFuture().complete(null));
4111	>	assertTrue(g.toCompletableFuture().cancel(true));
4112	>	assertTrue(g.toCompletableFuture().cancel(false));
4113	>	assertTrue(g.toCompletableFuture().completeExceptionally(new CFException()));
4114	>	checkIncomplete(g.toCompletableFuture());
4115	>	f.complete(1);
4116	>	checkCompletedNormally(g.toCompletableFuture(), 1);
4117	>	}
4118
4119	<	f = new CompletableFuture<>();
4120	<	g = f.handleAsync(r = new IntegerHandler());
4121	<	assertFalse(r.ran);
4122	<	f.complete(one);
4123	<	checkCompletedNormally(f, one);
4124	<	checkCompletedNormally(g, two);
4125	<	assertTrue(r.ran);
4119	>	/** Demo utility method for external reliable toCompletableFuture */
4120	>	static <T> CompletableFuture<T> toCompletableFuture(CompletionStage<T> stage) {
4121	>	CompletableFuture<T> f = new CompletableFuture<>();
4122	>	stage.handle((T t, Throwable ex) -> {
4123	>	if (ex != null) f.completeExceptionally(ex);
4124	>	else f.complete(t);
4125	>	return null;
4126	>	});
4127	>	return f;
4128	>	}
4129	>
4130	>	/** Demo utility method to join a CompletionStage */
4131	>	static <T> T join(CompletionStage<T> stage) {
4132	>	return toCompletableFuture(stage).join();
4133		}
4134
4135		/**
4136	<	* handleAsync action with Executor completes normally with
3221	<	* function value on either normal or exceptional completion of
3222	<	* source
4136	>	* Joining a minimal stage "by hand" works
4137		*/
4138	<	public void testHandleAsync2() {
4139	<	CompletableFuture<Integer> f, g;
4140	<	ThreadExecutor exec = new ThreadExecutor();
4141	<	IntegerHandler r;
4138	>	public void testMinimalCompletionStage_join_by_hand() {
4139	>	for (boolean createIncomplete : new boolean[] { true, false })
4140	>	for (Integer v1 : new Integer[] { 1, null })
4141	>	{
4142	>	CompletableFuture<Integer> f = new CompletableFuture<>();
4143	>	CompletionStage<Integer> minimal = f.minimalCompletionStage();
4144	>	CompletableFuture<Integer> g = new CompletableFuture<>();
4145	>	if (!createIncomplete) assertTrue(f.complete(v1));
4146	>	minimal.thenAccept(x -> g.complete(x));
4147	>	if (createIncomplete) assertTrue(f.complete(v1));
4148	>	g.join();
4149	>	checkCompletedNormally(g, v1);
4150	>	checkCompletedNormally(f, v1);
4151	>	assertEquals(v1, join(minimal));
4152	>	}}
4153	>
4154	>	static class Monad {
4155	>	static class ZeroException extends RuntimeException {
4156	>	public ZeroException() { super("monadic zero"); }
4157	>	}
4158	>	// "return", "unit"
4159	>	static <T> CompletableFuture<T> unit(T value) {
4160	>	return completedFuture(value);
4161	>	}
4162	>	// monadic zero ?
4163	>	static <T> CompletableFuture<T> zero() {
4164	>	return failedFuture(new ZeroException());
4165	>	}
4166	>	// >=>
4167	>	static <T,U,V> Function<T, CompletableFuture<V>> compose
4168	>	(Function<T, CompletableFuture<U>> f,
4169	>	Function<U, CompletableFuture<V>> g) {
4170	>	return x -> f.apply(x).thenCompose(g);
4171	>	}
4172
4173	<	f = new CompletableFuture<>();
4174	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4175	<	assertFalse(r.ran);
4176	<	f.completeExceptionally(new CFException());
4177	<	checkCompletedWithWrappedCFException(f);
4178	<	checkCompletedNormally(g, three);
4179	<	assertTrue(r.ran);
4173	>	static void assertZero(CompletableFuture<?> f) {
4174	>	try {
4175	>	f.getNow(null);
4176	>	throw new AssertionFailedError("should throw");
4177	>	} catch (CompletionException success) {
4178	>	assertTrue(success.getCause() instanceof ZeroException);
4179	>	}
4180	>	}
4181
4182	<	f = new CompletableFuture<>();
4183	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4184	<	assertFalse(r.ran);
4185	<	f.completeExceptionally(new CFException());
4186	<	checkCompletedWithWrappedCFException(f);
4187	<	checkCompletedNormally(g, three);
4188	<	assertTrue(r.ran);
4182	>	static <T> void assertFutureEquals(CompletableFuture<T> f,
4183	>	CompletableFuture<T> g) {
4184	>	T fval = null, gval = null;
4185	>	Throwable fex = null, gex = null;
4186	>
4187	>	try { fval = f.get(); }
4188	>	catch (ExecutionException ex) { fex = ex.getCause(); }
4189	>	catch (Throwable ex) { fex = ex; }
4190	>
4191	>	try { gval = g.get(); }
4192	>	catch (ExecutionException ex) { gex = ex.getCause(); }
4193	>	catch (Throwable ex) { gex = ex; }
4194	>
4195	>	if (fex != null || gex != null)
4196	>	assertSame(fex.getClass(), gex.getClass());
4197	>	else
4198	>	assertEquals(fval, gval);
4199	>	}
4200
4201	<	f = new CompletableFuture<>();
4202	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4203	<	assertFalse(r.ran);
3248	<	f.complete(one);
3249	<	checkCompletedNormally(f, one);
3250	<	checkCompletedNormally(g, two);
3251	<	assertTrue(r.ran);
4201	>	static class PlusFuture<T> extends CompletableFuture<T> {
4202	>	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4203	>	}
4204
4205	<	f = new CompletableFuture<>();
4206	<	g = f.handleAsync(r = new IntegerHandler(), exec);
4207	<	assertFalse(r.ran);
4208	<	f.complete(one);
4209	<	checkCompletedNormally(f, one);
4210	<	checkCompletedNormally(g, two);
4211	<	assertTrue(r.ran);
4205	>	/** Implements "monadic plus". */
4206	>	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4207	>	CompletableFuture<? extends T> g) {
4208	>	PlusFuture<T> plus = new PlusFuture<T>();
4209	>	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4210	>	try {
4211	>	if (ex == null) {
4212	>	if (plus.complete(result))
4213	>	if (plus.firstFailure.get() != null)
4214	>	plus.firstFailure.set(null);
4215	>	}
4216	>	else if (plus.firstFailure.compareAndSet(null, ex)) {
4217	>	if (plus.isDone())
4218	>	plus.firstFailure.set(null);
4219	>	}
4220	>	else {
4221	>	// first failure has precedence
4222	>	Throwable first = plus.firstFailure.getAndSet(null);
4223	>
4224	>	// may fail with "Self-suppression not permitted"
4225	>	try { first.addSuppressed(ex); }
4226	>	catch (Exception ignored) {}
4227	>
4228	>	plus.completeExceptionally(first);
4229	>	}
4230	>	} catch (Throwable unexpected) {
4231	>	plus.completeExceptionally(unexpected);
4232	>	}
4233	>	};
4234	>	f.whenComplete(action);
4235	>	g.whenComplete(action);
4236	>	return plus;
4237	>	}
4238		}
4239
4240	+	/**
4241	+	* CompletableFuture is an additive monad - sort of.
4242	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4243	+	*/
4244	+	public void testAdditiveMonad() throws Throwable {
4245	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4246	+	CompletableFuture<Long> zero = Monad.zero();
4247	+
4248	+	// Some mutually non-commutative functions
4249	+	Function<Long, CompletableFuture<Long>> triple
4250	+	= x -> Monad.unit(3 * x);
4251	+	Function<Long, CompletableFuture<Long>> inc
4252	+	= x -> Monad.unit(x + 1);
4253	+
4254	+	// unit is a right identity: m >>= unit === m
4255	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4256	+	inc.apply(5L));
4257	+	// unit is a left identity: (unit x) >>= f === f x
4258	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4259	+	inc.apply(5L));
4260	+
4261	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4262	+	Monad.assertFutureEquals(
4263	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4264	+	unit.apply(5L).thenCompose(x -> inc.apply(x).thenCompose(triple)));
4265	+
4266	+	// The case for CompletableFuture as an additive monad is weaker...
4267	+
4268	+	// zero is a monadic zero
4269	+	Monad.assertZero(zero);
4270	+
4271	+	// left zero: zero >>= f === zero
4272	+	Monad.assertZero(zero.thenCompose(inc));
4273	+	// right zero: f >>= (\x -> zero) === zero
4274	+	Monad.assertZero(inc.apply(5L).thenCompose(x -> zero));
4275	+
4276	+	// f plus zero === f
4277	+	Monad.assertFutureEquals(Monad.unit(5L),
4278	+	Monad.plus(Monad.unit(5L), zero));
4279	+	// zero plus f === f
4280	+	Monad.assertFutureEquals(Monad.unit(5L),
4281	+	Monad.plus(zero, Monad.unit(5L)));
4282	+	// zero plus zero === zero
4283	+	Monad.assertZero(Monad.plus(zero, zero));
4284	+	{
4285	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4286	+	Monad.unit(8L));
4287	+	// non-determinism
4288	+	assertTrue(f.get() == 5L || f.get() == 8L);
4289	+	}
4290	+
4291	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4292	+	// f plus godot === f (doesn't wait for godot)
4293	+	Monad.assertFutureEquals(Monad.unit(5L),
4294	+	Monad.plus(Monad.unit(5L), godot));
4295	+	// godot plus f === f (doesn't wait for godot)
4296	+	Monad.assertFutureEquals(Monad.unit(5L),
4297	+	Monad.plus(godot, Monad.unit(5L)));
4298	+	}
4299	+
4300	+	/** Test long recursive chains of CompletableFutures with cascading completions */
4301	+	@SuppressWarnings("FutureReturnValueIgnored")
4302	+	public void testRecursiveChains() throws Throwable {
4303	+	for (ExecutionMode m : ExecutionMode.values())
4304	+	for (boolean addDeadEnds : new boolean[] { true, false })
4305	+	{
4306	+	final int val = 42;
4307	+	final int n = expensiveTests ? 1_000 : 2;
4308	+	CompletableFuture<Integer> head = new CompletableFuture<>();
4309	+	CompletableFuture<Integer> tail = head;
4310	+	for (int i = 0; i < n; i++) {
4311	+	if (addDeadEnds) m.thenApply(tail, v -> v + 1);
4312	+	tail = m.thenApply(tail, v -> v + 1);
4313	+	if (addDeadEnds) m.applyToEither(tail, tail, v -> v + 1);
4314	+	tail = m.applyToEither(tail, tail, v -> v + 1);
4315	+	if (addDeadEnds) m.thenCombine(tail, tail, (v, w) -> v + 1);
4316	+	tail = m.thenCombine(tail, tail, (v, w) -> v + 1);
4317	+	}
4318	+	head.complete(val);
4319	+	assertEquals(val + 3 * n, (int) tail.join());
4320	+	}}
4321	+
4322	+	/**
4323	+	* A single CompletableFuture with many dependents.
4324	+	* A demo of scalability - runtime is O(n).
4325	+	*/
4326	+	@SuppressWarnings("FutureReturnValueIgnored")
4327	+	public void testManyDependents() throws Throwable {
4328	+	final int n = expensiveTests ? 1_000_000 : 10;
4329	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4330	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4331	+	final AtomicInteger count = new AtomicInteger(0);
4332	+	for (int i = 0; i < n; i++) {
4333	+	head.thenRun(() -> count.getAndIncrement());
4334	+	head.thenAccept(x -> count.getAndIncrement());
4335	+	head.thenApply(x -> count.getAndIncrement());
4336	+
4337	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4338	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4339	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4340	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4341	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4342	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4343	+
4344	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4345	+	head.acceptEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4346	+	head.applyToEither(new CompletableFuture<Void>(), x -> count.getAndIncrement());
4347	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4348	+	new CompletableFuture<Void>().acceptEither(head, x -> count.getAndIncrement());
4349	+	new CompletableFuture<Void>().applyToEither(head, x -> count.getAndIncrement());
4350	+	}
4351	+	head.complete(null);
4352	+	assertEquals(5 * 3 * n, count.get());
4353	+	}
4354	+
4355	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4356	+	@SuppressWarnings("FutureReturnValueIgnored")
4357	+	public void testCoCompletionGarbageRetention() throws Throwable {
4358	+	final int n = expensiveTests ? 1_000_000 : 10;
4359	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4360	+	CompletableFuture<Integer> f;
4361	+	for (int i = 0; i < n; i++) {
4362	+	f = new CompletableFuture<>();
4363	+	f.runAfterEither(incomplete, () -> {});
4364	+	f.complete(null);
4365	+
4366	+	f = new CompletableFuture<>();
4367	+	f.acceptEither(incomplete, x -> {});
4368	+	f.complete(null);
4369	+
4370	+	f = new CompletableFuture<>();
4371	+	f.applyToEither(incomplete, x -> x);
4372	+	f.complete(null);
4373	+
4374	+	f = new CompletableFuture<>();
4375	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4376	+	f.complete(null);
4377	+	}
4378	+
4379	+	for (int i = 0; i < n; i++) {
4380	+	f = new CompletableFuture<>();
4381	+	incomplete.runAfterEither(f, () -> {});
4382	+	f.complete(null);
4383	+
4384	+	f = new CompletableFuture<>();
4385	+	incomplete.acceptEither(f, x -> {});
4386	+	f.complete(null);
4387	+
4388	+	f = new CompletableFuture<>();
4389	+	incomplete.applyToEither(f, x -> x);
4390	+	f.complete(null);
4391	+
4392	+	f = new CompletableFuture<>();
4393	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4394	+	f.complete(null);
4395	+	}
4396	+	}
4397	+
4398	+	/**
4399	+	* Reproduction recipe for:
4400	+	* 8160402: Garbage retention with CompletableFuture.anyOf
4401	+	* 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
4402	+	*/
4403	+	public void testAnyOfGarbageRetention() throws Throwable {
4404	+	for (Integer v : new Integer[] { 1, null })
4405	+	{
4406	+	final int n = expensiveTests ? 100_000 : 10;
4407	+	CompletableFuture<Integer>[] fs
4408	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4409	+	for (int i = 0; i < fs.length; i++)
4410	+	fs[i] = new CompletableFuture<>();
4411	+	fs[fs.length - 1].complete(v);
4412	+	for (int i = 0; i < n; i++)
4413	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4414	+	}}
4415	+
4416	+	/**
4417	+	* Checks for garbage retention with allOf.
4418	+	*
4419	+	* As of 2016-07, fails with OOME:
4420	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledAllOfGarbageRetention tck
4421	+	*/
4422	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4423	+	final int n = expensiveTests ? 100_000 : 10;
4424	+	CompletableFuture<Integer>[] fs
4425	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4426	+	for (int i = 0; i < fs.length; i++)
4427	+	fs[i] = new CompletableFuture<>();
4428	+	for (int i = 0; i < n; i++)
4429	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4430	+	}
4431	+
4432	+	/**
4433	+	* Checks for garbage retention when a dependent future is
4434	+	* cancelled and garbage-collected.
4435	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4436	+	*
4437	+	* As of 2016-07, fails with OOME:
4438	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4439	+	*/
4440	+	public void testCancelledGarbageRetention() throws Throwable {
4441	+	final int n = expensiveTests ? 100_000 : 10;
4442	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4443	+	for (int i = 0; i < n; i++)
4444	+	assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4445	+	}
4446	+
4447	+	/**
4448	+	* Checks for garbage retention when MinimalStage.toCompletableFuture()
4449	+	* is invoked many times.
4450	+	* 8161600: Garbage retention when source CompletableFutures are never completed
4451	+	*
4452	+	* As of 2016-07, fails with OOME:
4453	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testToCompletableFutureGarbageRetention tck
4454	+	*/
4455	+	public void testToCompletableFutureGarbageRetention() throws Throwable {
4456	+	final int n = expensiveTests ? 900_000 : 10;
4457	+	CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4458	+	CompletionStage minimal = neverCompleted.minimalCompletionStage();
4459	+	for (int i = 0; i < n; i++)
4460	+	assertTrue(minimal.toCompletableFuture().cancel(true));
4461	+	}
4462	+
4463	+	//     static <U> U join(CompletionStage<U> stage) {
4464	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4465	+	//         stage.whenComplete((v, ex) -> {
4466	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4467	+	//         });
4468	+	//         return f.join();
4469	+	//     }
4470	+
4471	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4472	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4473	+	//         stage.whenComplete((v, ex) -> {
4474	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4475	+	//         });
4476	+	//         return f.isDone();
4477	+	//     }
4478	+
4479	+	//     static <U> U join2(CompletionStage<U> stage) {
4480	+	//         return stage.toCompletableFuture().copy().join();
4481	+	//     }
4482	+
4483	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4484	+	//         return stage.toCompletableFuture().copy().isDone();
4485	+	//     }
4486	+
4487		}

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