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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.33 by jsr166, Sun Jun 1 20:40:13 2014 UTC vs.
Revision 1.123 by jsr166, Tue Sep 8 19:45:35 2015 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	>
11	>	import java.lang.reflect.Method;
12	>	import java.lang.reflect.Modifier;
13	>
14	>	import java.util.stream.Collectors;
15	>	import java.util.stream.Stream;
16	>
17	>	import java.util.ArrayList;
18	>	import java.util.Arrays;
19	>	import java.util.List;
20	>	import java.util.Objects;
21	>	import java.util.Set;
22		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
23		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
24		import java.util.concurrent.CompletableFuture;
25		import java.util.concurrent.CompletionException;
26	+	import java.util.concurrent.CompletionStage;
27	+	import java.util.concurrent.ExecutionException;
28	+	import java.util.concurrent.Executor;
29	+	import java.util.concurrent.ForkJoinPool;
30	+	import java.util.concurrent.ForkJoinTask;
31		import java.util.concurrent.TimeoutException;
32	+	import java.util.concurrent.TimeUnit;
33		import java.util.concurrent.atomic.AtomicInteger;
34	<	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;
34	>	import java.util.concurrent.atomic.AtomicReference;
35		import java.util.function.BiConsumer;
27	–	import java.util.function.Function;
36		import java.util.function.BiFunction;
37	+	import java.util.function.Consumer;
38	+	import java.util.function.Function;
39	+	import java.util.function.Supplier;
40	+
41	+	import junit.framework.Test;
42	+	import junit.framework.TestSuite;
43
44		public class CompletableFutureTest extends JSR166TestCase {
45
46		public static void main(String[] args) {
47	<	junit.textui.TestRunner.run(suite());
47	>	main(suite(), args);
48		}
49		public static Test suite() {
50		return new TestSuite(CompletableFutureTest.class);
#	Line 41 | Line 55 | public class CompletableFutureTest exten
55		void checkIncomplete(CompletableFuture<?> f) {
56		assertFalse(f.isDone());
57		assertFalse(f.isCancelled());
58	<	assertTrue(f.toString().contains("[Not completed]"));
58	>	assertTrue(f.toString().contains("Not completed"));
59		try {
60		assertNull(f.getNow(null));
61		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 54 | Line 68 | public class CompletableFutureTest exten
68		}
69
70		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
71	<	try {
72	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
59	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
71	>	checkTimedGet(f, value);
72	>
73		try {
74		assertEquals(value, f.join());
75		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 72 | Line 85 | public class CompletableFutureTest exten
85		assertTrue(f.toString().contains("[Completed normally]"));
86		}
87
88	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
89	<	try {
90	<	f.get(LONG_DELAY_MS, MILLISECONDS);
91	<	shouldThrow();
92	<	} catch (ExecutionException success) {
93	<	assertTrue(success.getCause() instanceof CFException);
94	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
95	<	try {
96	<	f.join();
97	<	shouldThrow();
98	<	} catch (CompletionException success) {
99	<	assertTrue(success.getCause() instanceof CFException);
100	<	}
101	<	try {
102	<	f.getNow(null);
103	<	shouldThrow();
104	<	} catch (CompletionException success) {
92	<	assertTrue(success.getCause() instanceof CFException);
88	>	/**
89	>	* Returns the "raw" internal exceptional completion of f,
90	>	* without any additional wrapping with CompletionException.
91	>	*/
92	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
93	>	// handle (and whenComplete) can distinguish between "direct"
94	>	// and "wrapped" exceptional completion
95	>	return f.handle((U u, Throwable t) -> t).join();
96	>	}
97	>
98	>	void checkCompletedExceptionally(CompletableFuture<?> f,
99	>	boolean wrapped,
100	>	Consumer<Throwable> checker) {
101	>	Throwable cause = exceptionalCompletion(f);
102	>	if (wrapped) {
103	>	assertTrue(cause instanceof CompletionException);
104	>	cause = cause.getCause();
105		}
106	<	try {
95	<	f.get();
96	<	shouldThrow();
97	<	} catch (ExecutionException success) {
98	<	assertTrue(success.getCause() instanceof CFException);
99	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
100	<	assertTrue(f.isDone());
101	<	assertFalse(f.isCancelled());
102	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
103	<	}
106	>	checker.accept(cause);
107
108	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
106	<	CFException ex) {
108	>	long startTime = System.nanoTime();
109		try {
110		f.get(LONG_DELAY_MS, MILLISECONDS);
111		shouldThrow();
112		} catch (ExecutionException success) {
113	<	assertSame(ex, success.getCause());
113	>	assertSame(cause, success.getCause());
114		} catch (Throwable fail) { threadUnexpectedException(fail); }
115	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
116	+
117		try {
118		f.join();
119		shouldThrow();
120		} catch (CompletionException success) {
121	<	assertSame(ex, success.getCause());
122	<	}
121	>	assertSame(cause, success.getCause());
122	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
123	>
124		try {
125		f.getNow(null);
126		shouldThrow();
127		} catch (CompletionException success) {
128	<	assertSame(ex, success.getCause());
129	<	}
128	>	assertSame(cause, success.getCause());
129	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
130	>
131		try {
132		f.get();
133		shouldThrow();
134		} catch (ExecutionException success) {
135	<	assertSame(ex, success.getCause());
135	>	assertSame(cause, success.getCause());
136		} catch (Throwable fail) { threadUnexpectedException(fail); }
137	<	assertTrue(f.isDone());
137	>
138		assertFalse(f.isCancelled());
139	+	assertTrue(f.isDone());
140	+	assertTrue(f.isCompletedExceptionally());
141		assertTrue(f.toString().contains("[Completed exceptionally]"));
142		}
143
144	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
145	+	checkCompletedExceptionally(f, true,
146	+	(t) -> assertTrue(t instanceof CFException));
147	+	}
148	+
149	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
150	+	checkCompletedExceptionally(f, true,
151	+	(t) -> assertTrue(t instanceof CancellationException));
152	+	}
153	+
154	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
155	+	checkCompletedExceptionally(f, false,
156	+	(t) -> assertTrue(t instanceof TimeoutException));
157	+	}
158	+
159	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
160	+	Throwable ex) {
161	+	checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex));
162	+	}
163	+
164	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
165	+	checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex));
166	+	}
167	+
168		void checkCancelled(CompletableFuture<?> f) {
169	+	long startTime = System.nanoTime();
170		try {
171		f.get(LONG_DELAY_MS, MILLISECONDS);
172		shouldThrow();
173		} catch (CancellationException success) {
174		} catch (Throwable fail) { threadUnexpectedException(fail); }
175	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
176	+
177		try {
178		f.join();
179		shouldThrow();
#	Line 152 | Line 187 | public class CompletableFutureTest exten
187		shouldThrow();
188		} catch (CancellationException success) {
189		} catch (Throwable fail) { threadUnexpectedException(fail); }
155	–	assertTrue(f.isDone());
156	–	assertTrue(f.isCompletedExceptionally());
157	–	assertTrue(f.isCancelled());
158	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
159	–	}
190
191	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
192	<	try {
163	<	f.get(LONG_DELAY_MS, MILLISECONDS);
164	<	shouldThrow();
165	<	} catch (ExecutionException success) {
166	<	assertTrue(success.getCause() instanceof CancellationException);
167	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
168	<	try {
169	<	f.join();
170	<	shouldThrow();
171	<	} catch (CompletionException success) {
172	<	assertTrue(success.getCause() instanceof CancellationException);
173	<	}
174	<	try {
175	<	f.getNow(null);
176	<	shouldThrow();
177	<	} catch (CompletionException success) {
178	<	assertTrue(success.getCause() instanceof CancellationException);
179	<	}
180	<	try {
181	<	f.get();
182	<	shouldThrow();
183	<	} catch (ExecutionException success) {
184	<	assertTrue(success.getCause() instanceof CancellationException);
185	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
191	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
192	>
193		assertTrue(f.isDone());
187	–	assertFalse(f.isCancelled());
194		assertTrue(f.isCompletedExceptionally());
195	+	assertTrue(f.isCancelled());
196		assertTrue(f.toString().contains("[Completed exceptionally]"));
197		}
198
#	Line 203 | Line 210 | public class CompletableFutureTest exten
210		* isCancelled, join, get, and getNow
211		*/
212		public void testComplete() {
213	+	for (Integer v1 : new Integer[] { 1, null })
214	+	{
215		CompletableFuture<Integer> f = new CompletableFuture<>();
216		checkIncomplete(f);
217	<	f.complete(one);
218	<	checkCompletedNormally(f, one);
219	<	}
217	>	assertTrue(f.complete(v1));
218	>	assertFalse(f.complete(v1));
219	>	checkCompletedNormally(f, v1);
220	>	}}
221
222		/**
223		* completeExceptionally completes exceptionally, as indicated by
#	Line 215 | Line 225 | public class CompletableFutureTest exten
225		*/
226		public void testCompleteExceptionally() {
227		CompletableFuture<Integer> f = new CompletableFuture<>();
228	+	CFException ex = new CFException();
229		checkIncomplete(f);
230	<	f.completeExceptionally(new CFException());
231	<	checkCompletedWithWrappedCFException(f);
230	>	f.completeExceptionally(ex);
231	>	checkCompletedExceptionally(f, ex);
232		}
233
234		/**
#	Line 225 | Line 236 | public class CompletableFutureTest exten
236		* methods isDone, isCancelled, join, get, and getNow
237		*/
238		public void testCancel() {
239	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
240	+	{
241		CompletableFuture<Integer> f = new CompletableFuture<>();
242		checkIncomplete(f);
243	<	assertTrue(f.cancel(true));
243	>	assertTrue(f.cancel(mayInterruptIfRunning));
244	>	assertTrue(f.cancel(mayInterruptIfRunning));
245	>	assertTrue(f.cancel(!mayInterruptIfRunning));
246		checkCancelled(f);
247	<	}
247	>	}}
248
249		/**
250		* obtrudeValue forces completion with given value
#	Line 237 | Line 252 | public class CompletableFutureTest exten
252		public void testObtrudeValue() {
253		CompletableFuture<Integer> f = new CompletableFuture<>();
254		checkIncomplete(f);
255	<	f.complete(one);
255	>	assertTrue(f.complete(one));
256		checkCompletedNormally(f, one);
257		f.obtrudeValue(three);
258		checkCompletedNormally(f, three);
#	Line 246 | Line 261 | public class CompletableFutureTest exten
261		f = new CompletableFuture<>();
262		f.obtrudeValue(three);
263		checkCompletedNormally(f, three);
264	+	f.obtrudeValue(null);
265	+	checkCompletedNormally(f, null);
266		f = new CompletableFuture<>();
267		f.completeExceptionally(new CFException());
268		f.obtrudeValue(four);
#	Line 256 | Line 273 | public class CompletableFutureTest exten
273		* obtrudeException forces completion with given exception
274		*/
275		public void testObtrudeException() {
276	<	CompletableFuture<Integer> f = new CompletableFuture<>();
277	<	checkIncomplete(f);
278	<	f.complete(one);
279	<	checkCompletedNormally(f, one);
280	<	f.obtrudeException(new CFException());
264	<	checkCompletedWithWrappedCFException(f);
276	>	for (Integer v1 : new Integer[] { 1, null })
277	>	{
278	>	CFException ex;
279	>	CompletableFuture<Integer> f;
280	>
281		f = new CompletableFuture<>();
282	<	f.obtrudeException(new CFException());
283	<	checkCompletedWithWrappedCFException(f);
282	>	assertTrue(f.complete(v1));
283	>	for (int i = 0; i < 2; i++) {
284	>	f.obtrudeException(ex = new CFException());
285	>	checkCompletedExceptionally(f, ex);
286	>	}
287	>
288	>	f = new CompletableFuture<>();
289	>	for (int i = 0; i < 2; i++) {
290	>	f.obtrudeException(ex = new CFException());
291	>	checkCompletedExceptionally(f, ex);
292	>	}
293	>
294		f = new CompletableFuture<>();
295	+	f.completeExceptionally(ex = new CFException());
296	+	f.obtrudeValue(v1);
297	+	checkCompletedNormally(f, v1);
298	+	f.obtrudeException(ex = new CFException());
299	+	checkCompletedExceptionally(f, ex);
300		f.completeExceptionally(new CFException());
301	<	f.obtrudeValue(four);
302	<	checkCompletedNormally(f, four);
303	<	f.obtrudeException(new CFException());
304	<	checkCompletedWithWrappedCFException(f);
274	<	}
301	>	checkCompletedExceptionally(f, ex);
302	>	assertFalse(f.complete(v1));
303	>	checkCompletedExceptionally(f, ex);
304	>	}}
305
306		/**
307		* getNumberOfDependents returns number of dependent tasks
308		*/
309		public void testGetNumberOfDependents() {
310	+	for (ExecutionMode m : ExecutionMode.values())
311	+	for (Integer v1 : new Integer[] { 1, null })
312	+	{
313		CompletableFuture<Integer> f = new CompletableFuture<>();
314	<	assertEquals(f.getNumberOfDependents(), 0);
315	<	CompletableFuture g = f.thenRun(new Noop());
316	<	assertEquals(f.getNumberOfDependents(), 1);
317	<	assertEquals(g.getNumberOfDependents(), 0);
318	<	CompletableFuture h = f.thenRun(new Noop());
319	<	assertEquals(f.getNumberOfDependents(), 2);
320	<	f.complete(1);
314	>	assertEquals(0, f.getNumberOfDependents());
315	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
316	>	assertEquals(1, f.getNumberOfDependents());
317	>	assertEquals(0, g.getNumberOfDependents());
318	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
319	>	assertEquals(2, f.getNumberOfDependents());
320	>	assertEquals(0, h.getNumberOfDependents());
321	>	assertTrue(f.complete(v1));
322		checkCompletedNormally(g, null);
323	<	assertEquals(f.getNumberOfDependents(), 0);
324	<	assertEquals(g.getNumberOfDependents(), 0);
325	<	}
323	>	checkCompletedNormally(h, null);
324	>	assertEquals(0, f.getNumberOfDependents());
325	>	assertEquals(0, g.getNumberOfDependents());
326	>	assertEquals(0, h.getNumberOfDependents());
327	>	}}
328
329		/**
330		* toString indicates current completion state
#	Line 299 | Line 335 | public class CompletableFutureTest exten
335		f = new CompletableFuture<String>();
336		assertTrue(f.toString().contains("[Not completed]"));
337
338	<	f.complete("foo");
338	>	assertTrue(f.complete("foo"));
339		assertTrue(f.toString().contains("[Completed normally]"));
340
341		f = new CompletableFuture<String>();
342	<	f.completeExceptionally(new IndexOutOfBoundsException());
342	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
343		assertTrue(f.toString().contains("[Completed exceptionally]"));
344	+
345	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
346	+	f = new CompletableFuture<String>();
347	+	assertTrue(f.cancel(mayInterruptIfRunning));
348	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
349	+	}
350		}
351
352		/**
#	Line 315 | Line 357 | public class CompletableFutureTest exten
357		checkCompletedNormally(f, "test");
358		}
359
360	<	// Choose non-commutative actions for better coverage
361	<
362	<	static final Supplier<Integer> supplyOne =
363	<	() -> Integer.valueOf(1);
364	<	static final Function<Integer, Integer> inc =
365	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
366	<	static final BiFunction<Integer, Integer, Integer> subtract =
325	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
326	<	static final class IncAction implements Consumer<Integer> {
327	<	int value;
328	<	public void accept(Integer x) { value = x.intValue() + 1; }
329	<	}
330	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
331	<	int value;
332	<	public void accept(Integer x, Integer y) {
333	<	value = x.intValue() - y.intValue();
360	>	abstract class CheckedAction {
361	>	int invocationCount = 0;
362	>	final ExecutionMode m;
363	>	CheckedAction(ExecutionMode m) { this.m = m; }
364	>	void invoked() {
365	>	m.checkExecutionMode();
366	>	assertEquals(0, invocationCount++);
367		}
368	<	}
369	<	static final class Noop implements Runnable {
337	<	boolean ran;
338	<	public void run() { ran = true; }
368	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
369	>	void assertInvoked() { assertEquals(1, invocationCount); }
370		}
371
372	<	static final class FailingSupplier implements Supplier<Integer> {
373	<	boolean ran;
374	<	public Integer get() { ran = true; throw new CFException(); }
375	<	}
376	<	static final class FailingConsumer implements Consumer<Integer> {
377	<	boolean ran;
347	<	public void accept(Integer x) { ran = true; throw new CFException(); }
348	<	}
349	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
350	<	boolean ran;
351	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
352	<	}
353	<	static final class FailingFunction implements Function<Integer, Integer> {
354	<	boolean ran;
355	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
356	<	}
357	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
358	<	boolean ran;
359	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
360	<	}
361	<	static final class FailingNoop implements Runnable {
362	<	boolean ran;
363	<	public void run() { ran = true; throw new CFException(); }
364	<	}
365	<
366	<	static final class CompletableFutureInc
367	<	implements Function<Integer, CompletableFuture<Integer>> {
368	<	boolean ran;
369	<	public CompletableFuture<Integer> apply(Integer x) {
370	<	ran = true;
371	<	CompletableFuture<Integer> f = new CompletableFuture<>();
372	<	f.complete(Integer.valueOf(x.intValue() + 1));
373	<	return f;
372	>	abstract 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	>	class IntegerSupplier extends CheckedAction
382	>	implements Supplier<Integer>
383	>	{
384	>	final Integer value;
385	>	IntegerSupplier(ExecutionMode m, Integer value) {
386	>	super(m);
387	>	this.value = value;
388		}
389	<	}
390	<
391	<	// Used for explicit executor tests
386	<	static final class ThreadExecutor implements Executor {
387	<	AtomicInteger count = new AtomicInteger(0);
388	<
389	<	public void execute(Runnable r) {
390	<	count.getAndIncrement();
391	<	new Thread(r).start();
389	>	public Integer get() {
390	>	invoked();
391	>	return value;
392		}
393		}
394
395	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
396	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
395	>	// A function that handles and produces null values as well.
396	>	static Integer inc(Integer x) {
397	>	return (x == null) ? null : x + 1;
398		}
399
400	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
401	<	boolean ran;
402	<	public Integer apply(Integer x, Throwable t) {
403	<	ran = true;
404	<	return (t == null) ? two : three;
400	>	class NoopConsumer extends CheckedIntegerAction
401	>	implements Consumer<Integer>
402	>	{
403	>	NoopConsumer(ExecutionMode m) { super(m); }
404	>	public void accept(Integer x) {
405	>	invoked();
406	>	value = x;
407		}
408		}
409
410	<	/**
411	<	* exceptionally action completes with function value on source
412	<	* exception; otherwise with source value
413	<	*/
414	<	public void testExceptionally() {
415	<	CompletableFuture<Integer> f = new CompletableFuture<>();
416	<	ExceptionToInteger r = new ExceptionToInteger();
417	<	CompletableFuture<Integer> g = f.exceptionally(r);
415	<	f.completeExceptionally(new CFException());
416	<	checkCompletedNormally(g, three);
417	<
418	<	f = new CompletableFuture<>();
419	<	r = new ExceptionToInteger();
420	<	g = f.exceptionally(r);
421	<	f.complete(one);
422	<	checkCompletedNormally(g, one);
423	<	}
424	<
425	<	/**
426	<	* handle action completes normally with function value on either
427	<	* normal or exceptional completion of source
428	<	*/
429	<	public void testHandle() {
430	<	CompletableFuture<Integer> f, g;
431	<	IntegerHandler r;
432	<
433	<	f = new CompletableFuture<>();
434	<	f.completeExceptionally(new CFException());
435	<	g = f.handle(r = new IntegerHandler());
436	<	assertTrue(r.ran);
437	<	checkCompletedNormally(g, three);
438	<
439	<	f = new CompletableFuture<>();
440	<	g = f.handle(r = new IntegerHandler());
441	<	assertFalse(r.ran);
442	<	f.completeExceptionally(new CFException());
443	<	checkCompletedNormally(g, three);
444	<	assertTrue(r.ran);
445	<
446	<	f = new CompletableFuture<>();
447	<	f.complete(one);
448	<	g = f.handle(r = new IntegerHandler());
449	<	assertTrue(r.ran);
450	<	checkCompletedNormally(g, two);
451	<
452	<	f = new CompletableFuture<>();
453	<	g = f.handle(r = new IntegerHandler());
454	<	assertFalse(r.ran);
455	<	f.complete(one);
456	<	assertTrue(r.ran);
457	<	checkCompletedNormally(g, two);
458	<	}
459	<
460	<	/**
461	<	* runAsync completes after running Runnable
462	<	*/
463	<	public void testRunAsync() {
464	<	Noop r = new Noop();
465	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
466	<	assertNull(f.join());
467	<	assertTrue(r.ran);
468	<	checkCompletedNormally(f, null);
469	<	}
470	<
471	<	/**
472	<	* runAsync with executor completes after running Runnable
473	<	*/
474	<	public void testRunAsync2() {
475	<	Noop r = new Noop();
476	<	ThreadExecutor exec = new ThreadExecutor();
477	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
478	<	assertNull(f.join());
479	<	assertTrue(r.ran);
480	<	checkCompletedNormally(f, null);
481	<	assertEquals(1, exec.count.get());
482	<	}
483	<
484	<	/**
485	<	* failing runAsync completes exceptionally after running Runnable
486	<	*/
487	<	public void testRunAsync3() {
488	<	FailingNoop r = new FailingNoop();
489	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
490	<	checkCompletedWithWrappedCFException(f);
491	<	assertTrue(r.ran);
492	<	}
493	<
494	<	/**
495	<	* supplyAsync completes with result of supplier
496	<	*/
497	<	public void testSupplyAsync() {
498	<	CompletableFuture<Integer> f;
499	<	f = CompletableFuture.supplyAsync(supplyOne);
500	<	assertEquals(f.join(), one);
501	<	checkCompletedNormally(f, one);
410	>	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	<	* supplyAsync with executor completes with result of supplier
422	<	*/
423	<	public void testSupplyAsync2() {
424	<	CompletableFuture<Integer> f;
425	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
510	<	assertEquals(f.join(), one);
511	<	checkCompletedNormally(f, one);
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	<	* Failing supplyAsync completes exceptionally
430	<	*/
431	<	public void testSupplyAsync3() {
432	<	FailingSupplier r = new FailingSupplier();
433	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
434	<	checkCompletedWithWrappedCFException(f);
435	<	assertTrue(r.ran);
428	>	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	<	// seq completion methods
439	<
440	<	/**
441	<	* thenRun result completes normally after normal completion of source
442	<	*/
443	<	public void testThenRun() {
444	<	CompletableFuture<Integer> f;
445	<	CompletableFuture<Void> g;
532	<	Noop r;
533	<
534	<	f = new CompletableFuture<>();
535	<	g = f.thenRun(r = new Noop());
536	<	f.complete(null);
537	<	checkCompletedNormally(g, null);
538	<	assertTrue(r.ran);
539	<
540	<	f = new CompletableFuture<>();
541	<	f.complete(null);
542	<	g = f.thenRun(r = new Noop());
543	<	checkCompletedNormally(g, null);
544	<	assertTrue(r.ran);
438	>	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	<	* thenRun result completes exceptionally after exceptional
450	<	* completion of source
451	<	*/
452	<	public void testThenRun2() {
552	<	CompletableFuture<Integer> f;
553	<	CompletableFuture<Void> g;
554	<	Noop r;
555	<
556	<	f = new CompletableFuture<>();
557	<	g = f.thenRun(r = new Noop());
558	<	f.completeExceptionally(new CFException());
559	<	checkCompletedWithWrappedCFException(g);
560	<	assertFalse(r.ran);
561	<
562	<	f = new CompletableFuture<>();
563	<	f.completeExceptionally(new CFException());
564	<	g = f.thenRun(r = new Noop());
565	<	checkCompletedWithWrappedCFException(g);
566	<	assertFalse(r.ran);
448	>	class Noop extends CheckedAction implements Runnable {
449	>	Noop(ExecutionMode m) { super(m); }
450	>	public void run() {
451	>	invoked();
452	>	}
453		}
454
455	<	/**
456	<	* thenRun result completes exceptionally if action does
457	<	*/
458	<	public void testThenRun3() {
459	<	CompletableFuture<Integer> f;
460	<	CompletableFuture<Void> g;
461	<	FailingNoop r;
462	<
577	<	f = new CompletableFuture<>();
578	<	g = f.thenRun(r = new FailingNoop());
579	<	f.complete(null);
580	<	checkCompletedWithWrappedCFException(g);
581	<
582	<	f = new CompletableFuture<>();
583	<	f.complete(null);
584	<	g = f.thenRun(r = new FailingNoop());
585	<	checkCompletedWithWrappedCFException(g);
455	>	class FailingSupplier extends CheckedAction
456	>	implements Supplier<Integer>
457	>	{
458	>	FailingSupplier(ExecutionMode m) { super(m); }
459	>	public Integer get() {
460	>	invoked();
461	>	throw new CFException();
462	>	}
463		}
464
465	<	/**
466	<	* thenRun result completes exceptionally if source cancelled
467	<	*/
468	<	public void testThenRun4() {
469	<	CompletableFuture<Integer> f;
470	<	CompletableFuture<Void> g;
471	<	Noop r;
472	<
473	<	f = new CompletableFuture<>();
597	<	g = f.thenRun(r = new Noop());
598	<	assertTrue(f.cancel(true));
599	<	checkCompletedWithWrappedCancellationException(g);
600	<
601	<	f = new CompletableFuture<>();
602	<	assertTrue(f.cancel(true));
603	<	g = f.thenRun(r = new Noop());
604	<	checkCompletedWithWrappedCancellationException(g);
465	>	class FailingConsumer extends CheckedIntegerAction
466	>	implements Consumer<Integer>
467	>	{
468	>	FailingConsumer(ExecutionMode m) { super(m); }
469	>	public void accept(Integer x) {
470	>	invoked();
471	>	value = x;
472	>	throw new CFException();
473	>	}
474		}
475
476	<	/**
477	<	* thenApply result completes normally after normal completion of source
478	<	*/
479	<	public void testThenApply() {
480	<	CompletableFuture<Integer> f = new CompletableFuture<>();
481	<	CompletableFuture<Integer> g = f.thenApply(inc);
482	<	f.complete(one);
483	<	checkCompletedNormally(g, two);
476	>	class FailingBiConsumer extends CheckedIntegerAction
477	>	implements BiConsumer<Integer, Integer>
478	>	{
479	>	FailingBiConsumer(ExecutionMode m) { super(m); }
480	>	public void accept(Integer x, Integer y) {
481	>	invoked();
482	>	value = subtract(x, y);
483	>	throw new CFException();
484	>	}
485		}
486
487	<	/**
488	<	* thenApply result completes exceptionally after exceptional
489	<	* completion of source
490	<	*/
491	<	public void testThenApply2() {
492	<	CompletableFuture<Integer> f = new CompletableFuture<>();
493	<	CompletableFuture<Integer> g = f.thenApply(inc);
494	<	f.completeExceptionally(new CFException());
495	<	checkCompletedWithWrappedCFException(g);
487	>	class FailingFunction extends CheckedIntegerAction
488	>	implements Function<Integer, Integer>
489	>	{
490	>	FailingFunction(ExecutionMode m) { super(m); }
491	>	public Integer apply(Integer x) {
492	>	invoked();
493	>	value = x;
494	>	throw new CFException();
495	>	}
496		}
497
498	<	/**
499	<	* thenApply result completes exceptionally if action does
500	<	*/
501	<	public void testThenApply3() {
502	<	CompletableFuture<Integer> f = new CompletableFuture<>();
503	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
504	<	f.complete(one);
505	<	checkCompletedWithWrappedCFException(g);
498	>	class FailingBiFunction extends CheckedIntegerAction
499	>	implements BiFunction<Integer, Integer, Integer>
500	>	{
501	>	FailingBiFunction(ExecutionMode m) { super(m); }
502	>	public Integer apply(Integer x, Integer y) {
503	>	invoked();
504	>	value = subtract(x, y);
505	>	throw new CFException();
506	>	}
507		}
508
509	<	/**
510	<	* thenApply result completes exceptionally if source cancelled
511	<	*/
512	<	public void testThenApply4() {
513	<	CompletableFuture<Integer> f = new CompletableFuture<>();
514	<	CompletableFuture<Integer> g = f.thenApply(inc);
644	<	assertTrue(f.cancel(true));
645	<	checkCompletedWithWrappedCancellationException(g);
509	>	class FailingRunnable extends CheckedAction implements Runnable {
510	>	FailingRunnable(ExecutionMode m) { super(m); }
511	>	public void run() {
512	>	invoked();
513	>	throw new CFException();
514	>	}
515		}
516
517	<	/**
518	<	* thenAccept result completes normally after normal completion of source
519	<	*/
520	<	public void testThenAccept() {
521	<	CompletableFuture<Integer> f = new CompletableFuture<>();
522	<	IncAction r = new IncAction();
523	<	CompletableFuture<Void> g = f.thenAccept(r);
524	<	f.complete(one);
525	<	checkCompletedNormally(g, null);
526	<	assertEquals(r.value, 2);
517	>	class CompletableFutureInc extends CheckedIntegerAction
518	>	implements Function<Integer, CompletableFuture<Integer>>
519	>	{
520	>	CompletableFutureInc(ExecutionMode m) { super(m); }
521	>	public CompletableFuture<Integer> apply(Integer x) {
522	>	invoked();
523	>	value = x;
524	>	CompletableFuture<Integer> f = new CompletableFuture<>();
525	>	assertTrue(f.complete(inc(x)));
526	>	return f;
527	>	}
528		}
529
530	<	/**
531	<	* thenAccept result completes exceptionally after exceptional
532	<	* completion of source
533	<	*/
534	<	public void testThenAccept2() {
535	<	CompletableFuture<Integer> f = new CompletableFuture<>();
536	<	IncAction r = new IncAction();
537	<	CompletableFuture<Void> g = f.thenAccept(r);
538	<	f.completeExceptionally(new CFException());
669	<	checkCompletedWithWrappedCFException(g);
530	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
531	>	implements Function<Integer, CompletableFuture<Integer>>
532	>	{
533	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
534	>	public CompletableFuture<Integer> apply(Integer x) {
535	>	invoked();
536	>	value = x;
537	>	throw new CFException();
538	>	}
539		}
540
541	<	/**
542	<	* thenAccept result completes exceptionally if action does
543	<	*/
544	<	public void testThenAccept3() {
545	<	CompletableFuture<Integer> f = new CompletableFuture<>();
546	<	FailingConsumer r = new FailingConsumer();
547	<	CompletableFuture<Void> g = f.thenAccept(r);
679	<	f.complete(one);
680	<	checkCompletedWithWrappedCFException(g);
681	<	assertTrue(r.ran);
682	<	}
541	>	// Used for explicit executor tests
542	>	static final class ThreadExecutor implements Executor {
543	>	final AtomicInteger count = new AtomicInteger(0);
544	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
545	>	static boolean startedCurrentThread() {
546	>	return Thread.currentThread().getThreadGroup() == tg;
547	>	}
548
549	<	/**
550	<	* thenAccept result completes exceptionally if source cancelled
551	<	*/
552	<	public void testThenAccept4() {
688	<	CompletableFuture<Integer> f = new CompletableFuture<>();
689	<	IncAction r = new IncAction();
690	<	CompletableFuture<Void> g = f.thenAccept(r);
691	<	assertTrue(f.cancel(true));
692	<	checkCompletedWithWrappedCancellationException(g);
549	>	public void execute(Runnable r) {
550	>	count.getAndIncrement();
551	>	new Thread(tg, r).start();
552	>	}
553		}
554
555	<	/**
556	<	* thenCombine result completes normally after normal completion
697	<	* of sources
698	<	*/
699	<	public void testThenCombine() {
700	<	CompletableFuture<Integer> f, g, h;
701	<
702	<	f = new CompletableFuture<>();
703	<	g = new CompletableFuture<>();
704	<	h = f.thenCombine(g, subtract);
705	<	f.complete(3);
706	<	checkIncomplete(h);
707	<	g.complete(1);
708	<	checkCompletedNormally(h, 2);
709	<
710	<	f = new CompletableFuture<>();
711	<	g = new CompletableFuture<>();
712	<	h = f.thenCombine(g, subtract);
713	<	g.complete(1);
714	<	checkIncomplete(h);
715	<	f.complete(3);
716	<	checkCompletedNormally(h, 2);
717	<
718	<	f = new CompletableFuture<>();
719	<	g = new CompletableFuture<>();
720	<	g.complete(1);
721	<	f.complete(3);
722	<	h = f.thenCombine(g, subtract);
723	<	checkCompletedNormally(h, 2);
724	<	}
555	>	static final boolean defaultExecutorIsCommonPool
556	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
557
558		/**
559	<	* thenCombine result completes exceptionally after exceptional
560	<	* completion of either source
559	>	* Permits the testing of parallel code for the 3 different
560	>	* execution modes without copy/pasting all the test methods.
561		*/
562	<	public void testThenCombine2() {
563	<	CompletableFuture<Integer> f, g, h;
564	<
565	<	f = new CompletableFuture<>();
566	<	g = new CompletableFuture<>();
567	<	h = f.thenCombine(g, subtract);
568	<	f.completeExceptionally(new CFException());
569	<	checkIncomplete(h);
570	<	g.complete(1);
571	<	checkCompletedWithWrappedCFException(h);
572	<
573	<	f = new CompletableFuture<>();
574	<	g = new CompletableFuture<>();
575	<	h = f.thenCombine(g, subtract);
576	<	g.completeExceptionally(new CFException());
577	<	checkIncomplete(h);
578	<	f.complete(3);
579	<	checkCompletedWithWrappedCFException(h);
562	>	enum ExecutionMode {
563	>	SYNC {
564	>	public void checkExecutionMode() {
565	>	assertFalse(ThreadExecutor.startedCurrentThread());
566	>	assertNull(ForkJoinTask.getPool());
567	>	}
568	>	public CompletableFuture<Void> runAsync(Runnable a) {
569	>	throw new UnsupportedOperationException();
570	>	}
571	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
572	>	throw new UnsupportedOperationException();
573	>	}
574	>	public <T> CompletableFuture<Void> thenRun
575	>	(CompletableFuture<T> f, Runnable a) {
576	>	return f.thenRun(a);
577	>	}
578	>	public <T> CompletableFuture<Void> thenAccept
579	>	(CompletableFuture<T> f, Consumer<? super T> a) {
580	>	return f.thenAccept(a);
581	>	}
582	>	public <T,U> CompletableFuture<U> thenApply
583	>	(CompletableFuture<T> f, Function<? super T,U> a) {
584	>	return f.thenApply(a);
585	>	}
586	>	public <T,U> CompletableFuture<U> thenCompose
587	>	(CompletableFuture<T> f,
588	>	Function<? super T,? extends CompletionStage<U>> a) {
589	>	return f.thenCompose(a);
590	>	}
591	>	public <T,U> CompletableFuture<U> handle
592	>	(CompletableFuture<T> f,
593	>	BiFunction<? super T,Throwable,? extends U> a) {
594	>	return f.handle(a);
595	>	}
596	>	public <T> CompletableFuture<T> whenComplete
597	>	(CompletableFuture<T> f,
598	>	BiConsumer<? super T,? super Throwable> a) {
599	>	return f.whenComplete(a);
600	>	}
601	>	public <T,U> CompletableFuture<Void> runAfterBoth
602	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
603	>	return f.runAfterBoth(g, a);
604	>	}
605	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
606	>	(CompletableFuture<T> f,
607	>	CompletionStage<? extends U> g,
608	>	BiConsumer<? super T,? super U> a) {
609	>	return f.thenAcceptBoth(g, a);
610	>	}
611	>	public <T,U,V> CompletableFuture<V> thenCombine
612	>	(CompletableFuture<T> f,
613	>	CompletionStage<? extends U> g,
614	>	BiFunction<? super T,? super U,? extends V> a) {
615	>	return f.thenCombine(g, a);
616	>	}
617	>	public <T> CompletableFuture<Void> runAfterEither
618	>	(CompletableFuture<T> f,
619	>	CompletionStage<?> g,
620	>	java.lang.Runnable a) {
621	>	return f.runAfterEither(g, a);
622	>	}
623	>	public <T> CompletableFuture<Void> acceptEither
624	>	(CompletableFuture<T> f,
625	>	CompletionStage<? extends T> g,
626	>	Consumer<? super T> a) {
627	>	return f.acceptEither(g, a);
628	>	}
629	>	public <T,U> CompletableFuture<U> applyToEither
630	>	(CompletableFuture<T> f,
631	>	CompletionStage<? extends T> g,
632	>	Function<? super T,U> a) {
633	>	return f.applyToEither(g, a);
634	>	}
635	>	},
636
637	<	f = new CompletableFuture<>();
638	<	g = new CompletableFuture<>();
639	<	f.complete(3);
640	<	g.completeExceptionally(new CFException());
641	<	h = f.thenCombine(g, subtract);
642	<	checkCompletedWithWrappedCFException(h);
637	>	ASYNC {
638	>	public void checkExecutionMode() {
639	>	assertEquals(defaultExecutorIsCommonPool,
640	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
641	>	}
642	>	public CompletableFuture<Void> runAsync(Runnable a) {
643	>	return CompletableFuture.runAsync(a);
644	>	}
645	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
646	>	return CompletableFuture.supplyAsync(a);
647	>	}
648	>	public <T> CompletableFuture<Void> thenRun
649	>	(CompletableFuture<T> f, Runnable a) {
650	>	return f.thenRunAsync(a);
651	>	}
652	>	public <T> CompletableFuture<Void> thenAccept
653	>	(CompletableFuture<T> f, Consumer<? super T> a) {
654	>	return f.thenAcceptAsync(a);
655	>	}
656	>	public <T,U> CompletableFuture<U> thenApply
657	>	(CompletableFuture<T> f, Function<? super T,U> a) {
658	>	return f.thenApplyAsync(a);
659	>	}
660	>	public <T,U> CompletableFuture<U> thenCompose
661	>	(CompletableFuture<T> f,
662	>	Function<? super T,? extends CompletionStage<U>> a) {
663	>	return f.thenComposeAsync(a);
664	>	}
665	>	public <T,U> CompletableFuture<U> handle
666	>	(CompletableFuture<T> f,
667	>	BiFunction<? super T,Throwable,? extends U> a) {
668	>	return f.handleAsync(a);
669	>	}
670	>	public <T> CompletableFuture<T> whenComplete
671	>	(CompletableFuture<T> f,
672	>	BiConsumer<? super T,? super Throwable> a) {
673	>	return f.whenCompleteAsync(a);
674	>	}
675	>	public <T,U> CompletableFuture<Void> runAfterBoth
676	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
677	>	return f.runAfterBothAsync(g, a);
678	>	}
679	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
680	>	(CompletableFuture<T> f,
681	>	CompletionStage<? extends U> g,
682	>	BiConsumer<? super T,? super U> a) {
683	>	return f.thenAcceptBothAsync(g, a);
684	>	}
685	>	public <T,U,V> CompletableFuture<V> thenCombine
686	>	(CompletableFuture<T> f,
687	>	CompletionStage<? extends U> g,
688	>	BiFunction<? super T,? super U,? extends V> a) {
689	>	return f.thenCombineAsync(g, a);
690	>	}
691	>	public <T> CompletableFuture<Void> runAfterEither
692	>	(CompletableFuture<T> f,
693	>	CompletionStage<?> g,
694	>	java.lang.Runnable a) {
695	>	return f.runAfterEitherAsync(g, a);
696	>	}
697	>	public <T> CompletableFuture<Void> acceptEither
698	>	(CompletableFuture<T> f,
699	>	CompletionStage<? extends T> g,
700	>	Consumer<? super T> a) {
701	>	return f.acceptEitherAsync(g, a);
702	>	}
703	>	public <T,U> CompletableFuture<U> applyToEither
704	>	(CompletableFuture<T> f,
705	>	CompletionStage<? extends T> g,
706	>	Function<? super T,U> a) {
707	>	return f.applyToEitherAsync(g, a);
708	>	}
709	>	},
710
711	<	f = new CompletableFuture<>();
712	<	g = new CompletableFuture<>();
713	<	f.completeExceptionally(new CFException());
714	<	g.complete(3);
715	<	h = f.thenCombine(g, subtract);
716	<	checkCompletedWithWrappedCFException(h);
717	<	}
711	>	EXECUTOR {
712	>	public void checkExecutionMode() {
713	>	assertTrue(ThreadExecutor.startedCurrentThread());
714	>	}
715	>	public CompletableFuture<Void> runAsync(Runnable a) {
716	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
717	>	}
718	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
719	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
720	>	}
721	>	public <T> CompletableFuture<Void> thenRun
722	>	(CompletableFuture<T> f, Runnable a) {
723	>	return f.thenRunAsync(a, new ThreadExecutor());
724	>	}
725	>	public <T> CompletableFuture<Void> thenAccept
726	>	(CompletableFuture<T> f, Consumer<? super T> a) {
727	>	return f.thenAcceptAsync(a, new ThreadExecutor());
728	>	}
729	>	public <T,U> CompletableFuture<U> thenApply
730	>	(CompletableFuture<T> f, Function<? super T,U> a) {
731	>	return f.thenApplyAsync(a, new ThreadExecutor());
732	>	}
733	>	public <T,U> CompletableFuture<U> thenCompose
734	>	(CompletableFuture<T> f,
735	>	Function<? super T,? extends CompletionStage<U>> a) {
736	>	return f.thenComposeAsync(a, new ThreadExecutor());
737	>	}
738	>	public <T,U> CompletableFuture<U> handle
739	>	(CompletableFuture<T> f,
740	>	BiFunction<? super T,Throwable,? extends U> a) {
741	>	return f.handleAsync(a, new ThreadExecutor());
742	>	}
743	>	public <T> CompletableFuture<T> whenComplete
744	>	(CompletableFuture<T> f,
745	>	BiConsumer<? super T,? super Throwable> a) {
746	>	return f.whenCompleteAsync(a, new ThreadExecutor());
747	>	}
748	>	public <T,U> CompletableFuture<Void> runAfterBoth
749	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
750	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
751	>	}
752	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
753	>	(CompletableFuture<T> f,
754	>	CompletionStage<? extends U> g,
755	>	BiConsumer<? super T,? super U> a) {
756	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
757	>	}
758	>	public <T,U,V> CompletableFuture<V> thenCombine
759	>	(CompletableFuture<T> f,
760	>	CompletionStage<? extends U> g,
761	>	BiFunction<? super T,? super U,? extends V> a) {
762	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
763	>	}
764	>	public <T> CompletableFuture<Void> runAfterEither
765	>	(CompletableFuture<T> f,
766	>	CompletionStage<?> g,
767	>	java.lang.Runnable a) {
768	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
769	>	}
770	>	public <T> CompletableFuture<Void> acceptEither
771	>	(CompletableFuture<T> f,
772	>	CompletionStage<? extends T> g,
773	>	Consumer<? super T> a) {
774	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
775	>	}
776	>	public <T,U> CompletableFuture<U> applyToEither
777	>	(CompletableFuture<T> f,
778	>	CompletionStage<? extends T> g,
779	>	Function<? super T,U> a) {
780	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
781	>	}
782	>	};
783
784	<	/**
785	<	* thenCombine result completes exceptionally if action does
786	<	*/
787	<	public void testThenCombine3() {
788	<	CompletableFuture<Integer> f = new CompletableFuture<>();
789	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
790	<	FailingBiFunction r = new FailingBiFunction();
791	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
792	<	f.complete(one);
793	<	checkIncomplete(g);
794	<	assertFalse(r.ran);
795	<	f2.complete(two);
796	<	checkCompletedWithWrappedCFException(g);
797	<	assertTrue(r.ran);
784	>	public abstract void checkExecutionMode();
785	>	public abstract CompletableFuture<Void> runAsync(Runnable a);
786	>	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
787	>	public abstract <T> CompletableFuture<Void> thenRun
788	>	(CompletableFuture<T> f, Runnable a);
789	>	public abstract <T> CompletableFuture<Void> thenAccept
790	>	(CompletableFuture<T> f, Consumer<? super T> a);
791	>	public abstract <T,U> CompletableFuture<U> thenApply
792	>	(CompletableFuture<T> f, Function<? super T,U> a);
793	>	public abstract <T,U> CompletableFuture<U> thenCompose
794	>	(CompletableFuture<T> f,
795	>	Function<? super T,? extends CompletionStage<U>> a);
796	>	public abstract <T,U> CompletableFuture<U> handle
797	>	(CompletableFuture<T> f,
798	>	BiFunction<? super T,Throwable,? extends U> a);
799	>	public abstract <T> CompletableFuture<T> whenComplete
800	>	(CompletableFuture<T> f,
801	>	BiConsumer<? super T,? super Throwable> a);
802	>	public abstract <T,U> CompletableFuture<Void> runAfterBoth
803	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
804	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
805	>	(CompletableFuture<T> f,
806	>	CompletionStage<? extends U> g,
807	>	BiConsumer<? super T,? super U> a);
808	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
809	>	(CompletableFuture<T> f,
810	>	CompletionStage<? extends U> g,
811	>	BiFunction<? super T,? super U,? extends V> a);
812	>	public abstract <T> CompletableFuture<Void> runAfterEither
813	>	(CompletableFuture<T> f,
814	>	CompletionStage<?> g,
815	>	java.lang.Runnable a);
816	>	public abstract <T> CompletableFuture<Void> acceptEither
817	>	(CompletableFuture<T> f,
818	>	CompletionStage<? extends T> g,
819	>	Consumer<? super T> a);
820	>	public abstract <T,U> CompletableFuture<U> applyToEither
821	>	(CompletableFuture<T> f,
822	>	CompletionStage<? extends T> g,
823	>	Function<? super T,U> a);
824		}
825
826		/**
827	<	* thenCombine result completes exceptionally if either source cancelled
827	>	* exceptionally action is not invoked when source completes
828	>	* normally, and source result is propagated
829		*/
830	<	public void testThenCombine4() {
831	<	CompletableFuture<Integer> f, g, h;
832	<
833	<	f = new CompletableFuture<>();
834	<	g = new CompletableFuture<>();
835	<	h = f.thenCombine(g, subtract);
836	<	assertTrue(f.cancel(true));
837	<	checkIncomplete(h);
838	<	g.complete(1);
839	<	checkCompletedWithWrappedCancellationException(h);
840	<
841	<	f = new CompletableFuture<>();
842	<	g = new CompletableFuture<>();
843	<	h = f.thenCombine(g, subtract);
797	<	assertTrue(g.cancel(true));
798	<	checkIncomplete(h);
799	<	f.complete(3);
800	<	checkCompletedWithWrappedCancellationException(h);
830	>	public void testExceptionally_normalCompletion() {
831	>	for (boolean createIncomplete : new boolean[] { true, false })
832	>	for (Integer v1 : new Integer[] { 1, null })
833	>	{
834	>	final AtomicInteger a = new AtomicInteger(0);
835	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
836	>	if (!createIncomplete) assertTrue(f.complete(v1));
837	>	final CompletableFuture<Integer> g = f.exceptionally
838	>	((Throwable t) -> {
839	>	// Should not be called
840	>	a.getAndIncrement();
841	>	throw new AssertionError();
842	>	});
843	>	if (createIncomplete) assertTrue(f.complete(v1));
844
845	<	f = new CompletableFuture<>();
846	<	g = new CompletableFuture<>();
847	<	assertTrue(f.cancel(true));
848	<	assertTrue(g.cancel(true));
806	<	h = f.thenCombine(g, subtract);
807	<	checkCompletedWithWrappedCancellationException(h);
808	<	}
845	>	checkCompletedNormally(g, v1);
846	>	checkCompletedNormally(f, v1);
847	>	assertEquals(0, a.get());
848	>	}}
849
850		/**
851	<	* thenAcceptBoth result completes normally after normal
852	<	* completion of sources
851	>	* exceptionally action completes with function value on source
852	>	* exception
853		*/
854	<	public void testThenAcceptBoth() {
855	<	CompletableFuture<Integer> f, g;
856	<	CompletableFuture<Void> h;
857	<	SubtractAction r;
858	<
859	<	f = new CompletableFuture<>();
860	<	g = new CompletableFuture<>();
861	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
862	<	f.complete(3);
863	<	checkIncomplete(h);
864	<	g.complete(1);
865	<	checkCompletedNormally(h, null);
866	<	assertEquals(r.value, 2);
854	>	public void testExceptionally_exceptionalCompletion() {
855	>	for (boolean createIncomplete : new boolean[] { true, false })
856	>	for (Integer v1 : new Integer[] { 1, null })
857	>	{
858	>	final AtomicInteger a = new AtomicInteger(0);
859	>	final CFException ex = new CFException();
860	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
861	>	if (!createIncomplete) f.completeExceptionally(ex);
862	>	final CompletableFuture<Integer> g = f.exceptionally
863	>	((Throwable t) -> {
864	>	ExecutionMode.SYNC.checkExecutionMode();
865	>	threadAssertSame(t, ex);
866	>	a.getAndIncrement();
867	>	return v1;
868	>	});
869	>	if (createIncomplete) f.completeExceptionally(ex);
870
871	<	f = new CompletableFuture<>();
872	<	g = new CompletableFuture<>();
873	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
831	<	g.complete(1);
832	<	checkIncomplete(h);
833	<	f.complete(3);
834	<	checkCompletedNormally(h, null);
835	<	assertEquals(r.value, 2);
871	>	checkCompletedNormally(g, v1);
872	>	assertEquals(1, a.get());
873	>	}}
874
875	<	f = new CompletableFuture<>();
876	<	g = new CompletableFuture<>();
877	<	g.complete(1);
878	<	f.complete(3);
879	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
880	<	checkCompletedNormally(h, null);
881	<	assertEquals(r.value, 2);
882	<	}
875	>	public void testExceptionally_exceptionalCompletionActionFailed() {
876	>	for (boolean createIncomplete : new boolean[] { true, false })
877	>	{
878	>	final AtomicInteger a = new AtomicInteger(0);
879	>	final CFException ex1 = new CFException();
880	>	final CFException ex2 = new CFException();
881	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
882	>	if (!createIncomplete) f.completeExceptionally(ex1);
883	>	final CompletableFuture<Integer> g = f.exceptionally
884	>	((Throwable t) -> {
885	>	ExecutionMode.SYNC.checkExecutionMode();
886	>	threadAssertSame(t, ex1);
887	>	a.getAndIncrement();
888	>	throw ex2;
889	>	});
890	>	if (createIncomplete) f.completeExceptionally(ex1);
891	>
892	>	checkCompletedWithWrappedException(g, ex2);
893	>	assertEquals(1, a.get());
894	>	}}
895
896		/**
897	<	* thenAcceptBoth result completes exceptionally after exceptional
898	<	* completion of either source
897	>	* whenComplete action executes on normal completion, propagating
898	>	* source result.
899		*/
900	<	public void testThenAcceptBoth2() {
901	<	CompletableFuture<Integer> f, g;
902	<	CompletableFuture<Void> h;
903	<	SubtractAction r;
904	<
905	<	f = new CompletableFuture<>();
906	<	g = new CompletableFuture<>();
907	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
908	<	f.completeExceptionally(new CFException());
909	<	checkIncomplete(h);
910	<	g.complete(1);
911	<	checkCompletedWithWrappedCFException(h);
912	<
913	<	f = new CompletableFuture<>();
914	<	g = new CompletableFuture<>();
915	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
916	<	g.completeExceptionally(new CFException());
867	<	checkIncomplete(h);
868	<	f.complete(3);
869	<	checkCompletedWithWrappedCFException(h);
870	<
871	<	f = new CompletableFuture<>();
872	<	g = new CompletableFuture<>();
873	<	f.complete(3);
874	<	g.completeExceptionally(new CFException());
875	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
876	<	checkCompletedWithWrappedCFException(h);
900	>	public void testWhenComplete_normalCompletion1() {
901	>	for (ExecutionMode m : ExecutionMode.values())
902	>	for (boolean createIncomplete : new boolean[] { true, false })
903	>	for (Integer v1 : new Integer[] { 1, null })
904	>	{
905	>	final AtomicInteger a = new AtomicInteger(0);
906	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
907	>	if (!createIncomplete) assertTrue(f.complete(v1));
908	>	final CompletableFuture<Integer> g = m.whenComplete
909	>	(f,
910	>	(Integer x, Throwable t) -> {
911	>	m.checkExecutionMode();
912	>	threadAssertSame(x, v1);
913	>	threadAssertNull(t);
914	>	a.getAndIncrement();
915	>	});
916	>	if (createIncomplete) assertTrue(f.complete(v1));
917
918	<	f = new CompletableFuture<>();
919	<	g = new CompletableFuture<>();
920	<	f.completeExceptionally(new CFException());
921	<	g.complete(3);
882	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
883	<	checkCompletedWithWrappedCFException(h);
884	<	}
918	>	checkCompletedNormally(g, v1);
919	>	checkCompletedNormally(f, v1);
920	>	assertEquals(1, a.get());
921	>	}}
922
923		/**
924	<	* thenAcceptBoth result completes exceptionally if action does
924	>	* whenComplete action executes on exceptional completion, propagating
925	>	* source result.
926		*/
927	<	public void testThenAcceptBoth3() {
928	<	CompletableFuture<Integer> f, g;
929	<	CompletableFuture<Void> h;
930	<	FailingBiConsumer r;
931	<
932	<	f = new CompletableFuture<>();
933	<	g = new CompletableFuture<>();
934	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
935	<	f.complete(3);
936	<	checkIncomplete(h);
937	<	g.complete(1);
938	<	checkCompletedWithWrappedCFException(h);
939	<
940	<	f = new CompletableFuture<>();
941	<	g = new CompletableFuture<>();
942	<	f.complete(3);
943	<	g.complete(1);
944	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
945	<	checkCompletedWithWrappedCFException(h);
946	<	}
927	>	public void testWhenComplete_exceptionalCompletion() {
928	>	for (ExecutionMode m : ExecutionMode.values())
929	>	for (boolean createIncomplete : new boolean[] { true, false })
930	>	{
931	>	final AtomicInteger a = new AtomicInteger(0);
932	>	final CFException ex = new CFException();
933	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
934	>	if (!createIncomplete) f.completeExceptionally(ex);
935	>	final CompletableFuture<Integer> g = m.whenComplete
936	>	(f,
937	>	(Integer x, Throwable t) -> {
938	>	m.checkExecutionMode();
939	>	threadAssertNull(x);
940	>	threadAssertSame(t, ex);
941	>	a.getAndIncrement();
942	>	});
943	>	if (createIncomplete) f.completeExceptionally(ex);
944	>
945	>	checkCompletedWithWrappedException(g, ex);
946	>	checkCompletedExceptionally(f, ex);
947	>	assertEquals(1, a.get());
948	>	}}
949
950		/**
951	<	* thenAcceptBoth result completes exceptionally if either source cancelled
951	>	* whenComplete action executes on cancelled source, propagating
952	>	* CancellationException.
953		*/
954	<	public void testThenAcceptBoth4() {
955	<	CompletableFuture<Integer> f, g;
956	<	CompletableFuture<Void> h;
957	<	SubtractAction r;
958	<
959	<	f = new CompletableFuture<>();
960	<	g = new CompletableFuture<>();
961	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
962	<	assertTrue(f.cancel(true));
963	<	checkIncomplete(h);
964	<	g.complete(1);
965	<	checkCompletedWithWrappedCancellationException(h);
966	<
967	<	f = new CompletableFuture<>();
968	<	g = new CompletableFuture<>();
969	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
970	<	assertTrue(g.cancel(true));
930	<	checkIncomplete(h);
931	<	f.complete(3);
932	<	checkCompletedWithWrappedCancellationException(h);
933	<
934	<	f = new CompletableFuture<>();
935	<	g = new CompletableFuture<>();
936	<	f.complete(3);
937	<	assertTrue(g.cancel(true));
938	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
939	<	checkCompletedWithWrappedCancellationException(h);
954	>	public void testWhenComplete_sourceCancelled() {
955	>	for (ExecutionMode m : ExecutionMode.values())
956	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
957	>	for (boolean createIncomplete : new boolean[] { true, false })
958	>	{
959	>	final AtomicInteger a = new AtomicInteger(0);
960	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
961	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
962	>	final CompletableFuture<Integer> g = m.whenComplete
963	>	(f,
964	>	(Integer x, Throwable t) -> {
965	>	m.checkExecutionMode();
966	>	threadAssertNull(x);
967	>	threadAssertTrue(t instanceof CancellationException);
968	>	a.getAndIncrement();
969	>	});
970	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
971
972	<	f = new CompletableFuture<>();
973	<	g = new CompletableFuture<>();
974	<	assertTrue(f.cancel(true));
975	<	g.complete(3);
945	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
946	<	checkCompletedWithWrappedCancellationException(h);
947	<	}
972	>	checkCompletedWithWrappedCancellationException(g);
973	>	checkCancelled(f);
974	>	assertEquals(1, a.get());
975	>	}}
976
977		/**
978	<	* runAfterBoth result completes normally after normal
979	<	* completion of sources
978	>	* If a whenComplete action throws an exception when triggered by
979	>	* a normal completion, it completes exceptionally
980		*/
981	<	public void testRunAfterBoth_normalCompletion1() {
981	>	public void testWhenComplete_actionFailed() {
982	>	for (boolean createIncomplete : new boolean[] { true, false })
983	>	for (ExecutionMode m : ExecutionMode.values())
984		for (Integer v1 : new Integer[] { 1, null })
985	<	for (Integer v2 : new Integer[] { 2, null }) {
986	<
987	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
958	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
959	<	final Noop r = new Noop();
960	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
961	<
962	<	f.complete(v1);
963	<	checkIncomplete(h);
964	<	assertFalse(r.ran);
965	<	g.complete(v2);
966	<
967	<	checkCompletedNormally(h, null);
968	<	assertTrue(r.ran);
969	<	checkCompletedNormally(f, v1);
970	<	checkCompletedNormally(g, v2);
971	<	}
972	<	}
973	<
974	<	public void testRunAfterBoth_normalCompletion2() {
975	<	for (Integer v1 : new Integer[] { 1, null })
976	<	for (Integer v2 : new Integer[] { 2, null }) {
977	<
985	>	{
986	>	final AtomicInteger a = new AtomicInteger(0);
987	>	final CFException ex = new CFException();
988		final CompletableFuture<Integer> f = new CompletableFuture<>();
989	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
990	<	final Noop r = new Noop();
991	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
992	<
993	<	g.complete(v2);
994	<	checkIncomplete(h);
995	<	assertFalse(r.ran);
996	<	f.complete(v1);
989	>	if (!createIncomplete) assertTrue(f.complete(v1));
990	>	final CompletableFuture<Integer> g = m.whenComplete
991	>	(f,
992	>	(Integer x, Throwable t) -> {
993	>	m.checkExecutionMode();
994	>	threadAssertSame(x, v1);
995	>	threadAssertNull(t);
996	>	a.getAndIncrement();
997	>	throw ex;
998	>	});
999	>	if (createIncomplete) assertTrue(f.complete(v1));
1000
1001	<	checkCompletedNormally(h, null);
989	<	assertTrue(r.ran);
1001	>	checkCompletedWithWrappedException(g, ex);
1002		checkCompletedNormally(f, v1);
1003	<	checkCompletedNormally(g, v2);
1004	<	}
993	<	}
994	<
995	<	public void testRunAfterBoth_normalCompletion3() {
996	<	for (Integer v1 : new Integer[] { 1, null })
997	<	for (Integer v2 : new Integer[] { 2, null }) {
1003	>	assertEquals(1, a.get());
1004	>	}}
1005
1006	+	/**
1007	+	* If a whenComplete action throws an exception when triggered by
1008	+	* a source completion that also throws an exception, the source
1009	+	* exception takes precedence.
1010	+	*/
1011	+	public void testWhenComplete_actionFailedSourceFailed() {
1012	+	for (boolean createIncomplete : new boolean[] { true, false })
1013	+	for (ExecutionMode m : ExecutionMode.values())
1014	+	{
1015	+	final AtomicInteger a = new AtomicInteger(0);
1016	+	final CFException ex1 = new CFException();
1017	+	final CFException ex2 = new CFException();
1018		final CompletableFuture<Integer> f = new CompletableFuture<>();
1000	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1001	–	final Noop r = new Noop();
1002	–
1003	–	g.complete(v2);
1004	–	f.complete(v1);
1005	–	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1019
1020	<	checkCompletedNormally(h, null);
1021	<	assertTrue(r.ran);
1022	<	checkCompletedNormally(f, v1);
1023	<	checkCompletedNormally(g, v2);
1024	<	}
1025	<	}
1026	<
1027	<	public void testRunAfterBoth_normalCompletion4() {
1020	>	if (!createIncomplete) f.completeExceptionally(ex1);
1021	>	final CompletableFuture<Integer> g = m.whenComplete
1022	>	(f,
1023	>	(Integer x, Throwable t) -> {
1024	>	m.checkExecutionMode();
1025	>	threadAssertSame(t, ex1);
1026	>	threadAssertNull(x);
1027	>	a.getAndIncrement();
1028	>	throw ex2;
1029	>	});
1030	>	if (createIncomplete) f.completeExceptionally(ex1);
1031	>
1032	>	checkCompletedWithWrappedException(g, ex1);
1033	>	checkCompletedExceptionally(f, ex1);
1034	>	assertEquals(1, a.get());
1035	>	}}
1036	>
1037	>	/**
1038	>	* handle action completes normally with function value on normal
1039	>	* completion of source
1040	>	*/
1041	>	public void testHandle_normalCompletion() {
1042	>	for (ExecutionMode m : ExecutionMode.values())
1043	>	for (boolean createIncomplete : new boolean[] { true, false })
1044		for (Integer v1 : new Integer[] { 1, null })
1045	<	for (Integer v2 : new Integer[] { 2, null }) {
1017	<
1045	>	{
1046		final CompletableFuture<Integer> f = new CompletableFuture<>();
1047	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1048	<	final Noop r = new Noop();
1047	>	final AtomicInteger a = new AtomicInteger(0);
1048	>	if (!createIncomplete) assertTrue(f.complete(v1));
1049	>	final CompletableFuture<Integer> g = m.handle
1050	>	(f,
1051	>	(Integer x, Throwable t) -> {
1052	>	m.checkExecutionMode();
1053	>	threadAssertSame(x, v1);
1054	>	threadAssertNull(t);
1055	>	a.getAndIncrement();
1056	>	return inc(v1);
1057	>	});
1058	>	if (createIncomplete) assertTrue(f.complete(v1));
1059
1060	<	f.complete(v1);
1023	<	g.complete(v2);
1024	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1025	<
1026	<	checkCompletedNormally(h, null);
1027	<	assertTrue(r.ran);
1060	>	checkCompletedNormally(g, inc(v1));
1061		checkCompletedNormally(f, v1);
1062	<	checkCompletedNormally(g, v2);
1063	<	}
1031	<	}
1062	>	assertEquals(1, a.get());
1063	>	}}
1064
1065		/**
1066	<	* runAfterBoth result completes exceptionally after exceptional
1067	<	* completion of either source
1066	>	* handle action completes normally with function value on
1067	>	* exceptional completion of source
1068		*/
1069	<	public void testRunAfterBoth_exceptionalCompletion1() {
1070	<	for (Integer v1 : new Integer[] { 1, null }) {
1071	<
1072	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1073	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1042	<	final Noop r = new Noop();
1043	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1044	<	final CFException ex = new CFException();
1045	<
1046	<	f.completeExceptionally(ex);
1047	<	checkIncomplete(h);
1048	<	g.complete(v1);
1049	<
1050	<	checkCompletedWithWrappedCFException(h, ex);
1051	<	checkCompletedWithWrappedCFException(f, ex);
1052	<	assertFalse(r.ran);
1053	<	checkCompletedNormally(g, v1);
1054	<	}
1055	<	}
1056	<
1057	<	public void testRunAfterBoth_exceptionalCompletion2() {
1058	<	for (Integer v1 : new Integer[] { 1, null }) {
1059	<
1060	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1061	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1062	<	final Noop r = new Noop();
1063	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1064	<	final CFException ex = new CFException();
1065	<
1066	<	g.completeExceptionally(ex);
1067	<	checkIncomplete(h);
1068	<	f.complete(v1);
1069	<
1070	<	checkCompletedWithWrappedCFException(h, ex);
1071	<	checkCompletedWithWrappedCFException(g, ex);
1072	<	assertFalse(r.ran);
1073	<	checkCompletedNormally(f, v1);
1074	<	}
1075	<	}
1076	<
1077	<	public void testRunAfterBoth_exceptionalCompletion3() {
1078	<	for (Integer v1 : new Integer[] { 1, null }) {
1079	<
1080	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1081	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1082	<	final Noop r = new Noop();
1083	<	final CFException ex = new CFException();
1084	<
1085	<	g.completeExceptionally(ex);
1086	<	f.complete(v1);
1087	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1088	<
1089	<	checkCompletedWithWrappedCFException(h, ex);
1090	<	checkCompletedWithWrappedCFException(g, ex);
1091	<	assertFalse(r.ran);
1092	<	checkCompletedNormally(f, v1);
1093	<	}
1094	<	}
1095	<
1096	<	public void testRunAfterBoth_exceptionalCompletion4() {
1097	<	for (Integer v1 : new Integer[] { 1, null }) {
1098	<
1069	>	public void testHandle_exceptionalCompletion() {
1070	>	for (ExecutionMode m : ExecutionMode.values())
1071	>	for (boolean createIncomplete : new boolean[] { true, false })
1072	>	for (Integer v1 : new Integer[] { 1, null })
1073	>	{
1074		final CompletableFuture<Integer> f = new CompletableFuture<>();
1075	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1101	<	final Noop r = new Noop();
1075	>	final AtomicInteger a = new AtomicInteger(0);
1076		final CFException ex = new CFException();
1077	+	if (!createIncomplete) f.completeExceptionally(ex);
1078	+	final CompletableFuture<Integer> g = m.handle
1079	+	(f,
1080	+	(Integer x, Throwable t) -> {
1081	+	m.checkExecutionMode();
1082	+	threadAssertNull(x);
1083	+	threadAssertSame(t, ex);
1084	+	a.getAndIncrement();
1085	+	return v1;
1086	+	});
1087	+	if (createIncomplete) f.completeExceptionally(ex);
1088
1104	–	f.completeExceptionally(ex);
1105	–	g.complete(v1);
1106	–	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1107	–
1108	–	checkCompletedWithWrappedCFException(h, ex);
1109	–	checkCompletedWithWrappedCFException(f, ex);
1110	–	assertFalse(r.ran);
1089		checkCompletedNormally(g, v1);
1090	<	}
1091	<	}
1090	>	checkCompletedExceptionally(f, ex);
1091	>	assertEquals(1, a.get());
1092	>	}}
1093
1094		/**
1095	<	* runAfterBoth result completes exceptionally if action does
1095	>	* handle action completes normally with function value on
1096	>	* cancelled source
1097		*/
1098	<	public void testRunAfterBoth_actionFailed1() {
1099	<	for (Integer v1 : new Integer[] { 1, null })
1100	<	for (Integer v2 : new Integer[] { 2, null }) {
1101	<
1122	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1123	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1124	<	final FailingNoop r = new FailingNoop();
1125	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1126	<
1127	<	f.complete(v1);
1128	<	checkIncomplete(h);
1129	<	g.complete(v2);
1130	<
1131	<	checkCompletedWithWrappedCFException(h);
1132	<	checkCompletedNormally(f, v1);
1133	<	checkCompletedNormally(g, v2);
1134	<	}
1135	<	}
1136	<
1137	<	public void testRunAfterBoth_actionFailed2() {
1098	>	public void testHandle_sourceCancelled() {
1099	>	for (ExecutionMode m : ExecutionMode.values())
1100	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1101	>	for (boolean createIncomplete : new boolean[] { true, false })
1102		for (Integer v1 : new Integer[] { 1, null })
1103	<	for (Integer v2 : new Integer[] { 2, null }) {
1140	<
1103	>	{
1104		final CompletableFuture<Integer> f = new CompletableFuture<>();
1105	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1106	<	final FailingNoop r = new FailingNoop();
1107	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1108	<
1109	<	g.complete(v2);
1110	<	checkIncomplete(h);
1111	<	f.complete(v1);
1105	>	final AtomicInteger a = new AtomicInteger(0);
1106	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1107	>	final CompletableFuture<Integer> g = m.handle
1108	>	(f,
1109	>	(Integer x, Throwable t) -> {
1110	>	m.checkExecutionMode();
1111	>	threadAssertNull(x);
1112	>	threadAssertTrue(t instanceof CancellationException);
1113	>	a.getAndIncrement();
1114	>	return v1;
1115	>	});
1116	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1117
1118	<	checkCompletedWithWrappedCFException(h);
1119	<	checkCompletedNormally(f, v1);
1120	<	checkCompletedNormally(g, v2);
1121	<	}
1154	<	}
1118	>	checkCompletedNormally(g, v1);
1119	>	checkCancelled(f);
1120	>	assertEquals(1, a.get());
1121	>	}}
1122
1123		/**
1124	<	* runAfterBoth result completes exceptionally if either source cancelled
1124	>	* handle result completes exceptionally if action does
1125		*/
1126	<	public void testRunAfterBoth_sourceCancelled1() {
1127	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1128	<	for (Integer v1 : new Integer[] { 1, null }) {
1129	<
1163	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1164	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1165	<	final Noop r = new Noop();
1166	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1167	<
1168	<	assertTrue(f.cancel(mayInterruptIfRunning));
1169	<	checkIncomplete(h);
1170	<	g.complete(v1);
1171	<
1172	<	checkCompletedWithWrappedCancellationException(h);
1173	<	checkCancelled(f);
1174	<	assertFalse(r.ran);
1175	<	checkCompletedNormally(g, v1);
1176	<	}
1177	<	}
1178	<
1179	<	public void testRunAfterBoth_sourceCancelled2() {
1180	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1181	<	for (Integer v1 : new Integer[] { 1, null }) {
1182	<
1126	>	public void testHandle_sourceFailedActionFailed() {
1127	>	for (ExecutionMode m : ExecutionMode.values())
1128	>	for (boolean createIncomplete : new boolean[] { true, false })
1129	>	{
1130		final CompletableFuture<Integer> f = new CompletableFuture<>();
1131	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1132	<	final Noop r = new Noop();
1133	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1134	<
1135	<	assertTrue(g.cancel(mayInterruptIfRunning));
1136	<	checkIncomplete(h);
1137	<	f.complete(v1);
1138	<
1139	<	checkCompletedWithWrappedCancellationException(h);
1140	<	checkCancelled(g);
1141	<	assertFalse(r.ran);
1142	<	checkCompletedNormally(f, v1);
1143	<	}
1144	<	}
1145	<
1146	<	public void testRunAfterBoth_sourceCancelled3() {
1147	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1148	<	for (Integer v1 : new Integer[] { 1, null }) {
1149	<
1131	>	final AtomicInteger a = new AtomicInteger(0);
1132	>	final CFException ex1 = new CFException();
1133	>	final CFException ex2 = new CFException();
1134	>	if (!createIncomplete) f.completeExceptionally(ex1);
1135	>	final CompletableFuture<Integer> g = m.handle
1136	>	(f,
1137	>	(Integer x, Throwable t) -> {
1138	>	m.checkExecutionMode();
1139	>	threadAssertNull(x);
1140	>	threadAssertSame(ex1, t);
1141	>	a.getAndIncrement();
1142	>	throw ex2;
1143	>	});
1144	>	if (createIncomplete) f.completeExceptionally(ex1);
1145	>
1146	>	checkCompletedWithWrappedException(g, ex2);
1147	>	checkCompletedExceptionally(f, ex1);
1148	>	assertEquals(1, a.get());
1149	>	}}
1150	>
1151	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1152	>	for (ExecutionMode m : ExecutionMode.values())
1153	>	for (boolean createIncomplete : new boolean[] { true, false })
1154	>	for (Integer v1 : new Integer[] { 1, null })
1155	>	{
1156		final CompletableFuture<Integer> f = new CompletableFuture<>();
1157	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1158	<	final Noop r = new Noop();
1159	<
1160	<	assertTrue(g.cancel(mayInterruptIfRunning));
1161	<	f.complete(v1);
1162	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1157	>	final AtomicInteger a = new AtomicInteger(0);
1158	>	final CFException ex = new CFException();
1159	>	if (!createIncomplete) assertTrue(f.complete(v1));
1160	>	final CompletableFuture<Integer> g = m.handle
1161	>	(f,
1162	>	(Integer x, Throwable t) -> {
1163	>	m.checkExecutionMode();
1164	>	threadAssertSame(x, v1);
1165	>	threadAssertNull(t);
1166	>	a.getAndIncrement();
1167	>	throw ex;
1168	>	});
1169	>	if (createIncomplete) assertTrue(f.complete(v1));
1170
1171	<	checkCompletedWithWrappedCancellationException(h);
1212	<	checkCancelled(g);
1213	<	assertFalse(r.ran);
1171	>	checkCompletedWithWrappedException(g, ex);
1172		checkCompletedNormally(f, v1);
1173	<	}
1174	<	}
1217	<
1218	<	public void testRunAfterBoth_sourceCancelled4() {
1219	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1220	<	for (Integer v1 : new Integer[] { 1, null }) {
1221	<
1222	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1223	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1224	<	final Noop r = new Noop();
1225	<
1226	<	assertTrue(f.cancel(mayInterruptIfRunning));
1227	<	g.complete(v1);
1228	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1229	<
1230	<	checkCompletedWithWrappedCancellationException(h);
1231	<	checkCancelled(f);
1232	<	assertFalse(r.ran);
1233	<	checkCompletedNormally(g, v1);
1234	<	}
1235	<	}
1236	<
1237	<	/**
1238	<	* applyToEither result completes normally after normal completion
1239	<	* of either source
1240	<	*/
1241	<	public void testApplyToEither() {
1242	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1243	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1244	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1245	<	f.complete(one);
1246	<	checkCompletedNormally(g, two);
1247	<	f2.complete(one);
1248	<	checkCompletedNormally(g, two);
1249	<
1250	<	f = new CompletableFuture<>();
1251	<	f.complete(one);
1252	<	f2 = new CompletableFuture<>();
1253	<	g = f.applyToEither(f2, inc);
1254	<	checkCompletedNormally(g, two);
1255	<	}
1256	<
1257	<	/**
1258	<	* applyToEither result completes exceptionally after exceptional
1259	<	* completion of either source
1260	<	*/
1261	<	public void testApplyToEither2() {
1262	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1263	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1264	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1265	<	f.completeExceptionally(new CFException());
1266	<	f2.complete(one);
1267	<	checkCompletedWithWrappedCFException(g);
1268	<
1269	<	f = new CompletableFuture<>();
1270	<	f2 = new CompletableFuture<>();
1271	<	f2.completeExceptionally(new CFException());
1272	<	g = f.applyToEither(f2, inc);
1273	<	checkCompletedWithWrappedCFException(g);
1274	<	}
1275	<
1276	<	/**
1277	<	* applyToEither result completes exceptionally if action does
1278	<	*/
1279	<	public void testApplyToEither3() {
1280	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1281	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1282	<	FailingFunction r = new FailingFunction();
1283	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
1284	<	f2.complete(two);
1285	<	checkCompletedWithWrappedCFException(g);
1286	<	}
1287	<
1288	<	/**
1289	<	* applyToEither result completes exceptionally if either source cancelled
1290	<	*/
1291	<	public void testApplyToEither4() {
1292	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1293	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1294	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1295	<	assertTrue(f.cancel(true));
1296	<	checkCompletedWithWrappedCancellationException(g);
1297	<	f = new CompletableFuture<>();
1298	<	f2 = new CompletableFuture<>();
1299	<	assertTrue(f2.cancel(true));
1300	<	checkCompletedWithWrappedCancellationException(g);
1301	<	}
1173	>	assertEquals(1, a.get());
1174	>	}}
1175
1176		/**
1177	<	* acceptEither result completes normally after normal completion
1305	<	* of either source
1306	<	*/
1307	<	public void testAcceptEither() {
1308	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1309	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1310	<	IncAction r = new IncAction();
1311	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1312	<	f.complete(one);
1313	<	checkCompletedNormally(g, null);
1314	<	f2.complete(one);
1315	<	checkCompletedNormally(g, null);
1316	<	assertEquals(r.value, 2);
1317	<
1318	<	r = new IncAction();
1319	<	f = new CompletableFuture<>();
1320	<	f.complete(one);
1321	<	f2 = new CompletableFuture<>();
1322	<	g = f.acceptEither(f2, r);
1323	<	checkCompletedNormally(g, null);
1324	<	assertEquals(r.value, 2);
1325	<	}
1326	<
1327	<	/**
1328	<	* acceptEither result completes exceptionally after exceptional
1329	<	* completion of either source
1330	<	*/
1331	<	public void testAcceptEither2() {
1332	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1333	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1334	<	IncAction r = new IncAction();
1335	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1336	<	f.completeExceptionally(new CFException());
1337	<	f2.complete(one);
1338	<	checkCompletedWithWrappedCFException(g);
1339	<
1340	<	r = new IncAction();
1341	<	f = new CompletableFuture<>();
1342	<	f2 = new CompletableFuture<>();
1343	<	f2.completeExceptionally(new CFException());
1344	<	g = f.acceptEither(f2, r);
1345	<	checkCompletedWithWrappedCFException(g);
1346	<	}
1347	<
1348	<	/**
1349	<	* acceptEither result completes exceptionally if action does
1350	<	*/
1351	<	public void testAcceptEither3() {
1352	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1353	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1354	<	FailingConsumer r = new FailingConsumer();
1355	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1356	<	f2.complete(two);
1357	<	checkCompletedWithWrappedCFException(g);
1358	<	}
1359	<
1360	<	/**
1361	<	* acceptEither result completes exceptionally if either source cancelled
1362	<	*/
1363	<	public void testAcceptEither4() {
1364	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1365	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1366	<	IncAction r = new IncAction();
1367	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1368	<	assertTrue(f.cancel(true));
1369	<	checkCompletedWithWrappedCancellationException(g);
1370	<	f = new CompletableFuture<>();
1371	<	f2 = new CompletableFuture<>();
1372	<	assertTrue(f2.cancel(true));
1373	<	checkCompletedWithWrappedCancellationException(g);
1374	<	}
1375	<
1376	<	/**
1377	<	* runAfterEither result completes normally after normal completion
1378	<	* of either source
1379	<	*/
1380	<	public void testRunAfterEither() {
1381	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1382	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1383	<	Noop r = new Noop();
1384	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1385	<	f.complete(one);
1386	<	checkCompletedNormally(g, null);
1387	<	f2.complete(one);
1388	<	checkCompletedNormally(g, null);
1389	<	assertTrue(r.ran);
1390	<
1391	<	r = new Noop();
1392	<	f = new CompletableFuture<>();
1393	<	f.complete(one);
1394	<	f2 = new CompletableFuture<>();
1395	<	g = f.runAfterEither(f2, r);
1396	<	checkCompletedNormally(g, null);
1397	<	assertTrue(r.ran);
1398	<	}
1399	<
1400	<	/**
1401	<	* runAfterEither result completes exceptionally after exceptional
1402	<	* completion of either source
1403	<	*/
1404	<	public void testRunAfterEither2() {
1405	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1406	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1407	<	Noop r = new Noop();
1408	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1409	<	f.completeExceptionally(new CFException());
1410	<	f2.complete(one);
1411	<	checkCompletedWithWrappedCFException(g);
1412	<
1413	<	r = new Noop();
1414	<	f = new CompletableFuture<>();
1415	<	f2 = new CompletableFuture<>();
1416	<	f2.completeExceptionally(new CFException());
1417	<	g = f.runAfterEither(f2, r);
1418	<	checkCompletedWithWrappedCFException(g);
1419	<	}
1420	<
1421	<	/**
1422	<	* runAfterEither result completes exceptionally if action does
1423	<	*/
1424	<	public void testRunAfterEither3() {
1425	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1426	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1427	<	FailingNoop r = new FailingNoop();
1428	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1429	<	f2.complete(two);
1430	<	checkCompletedWithWrappedCFException(g);
1431	<	}
1432	<
1433	<	/**
1434	<	* runAfterEither result completes exceptionally if either source cancelled
1435	<	*/
1436	<	public void testRunAfterEither4() {
1437	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1438	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1439	<	Noop r = new Noop();
1440	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1441	<	assertTrue(f.cancel(true));
1442	<	checkCompletedWithWrappedCancellationException(g);
1443	<	f = new CompletableFuture<>();
1444	<	f2 = new CompletableFuture<>();
1445	<	assertTrue(f2.cancel(true));
1446	<	checkCompletedWithWrappedCancellationException(g);
1447	<	}
1448	<
1449	<	/**
1450	<	* thenCompose result completes normally after normal completion of source
1177	>	* runAsync completes after running Runnable
1178		*/
1179	<	public void testThenCompose() {
1180	<	CompletableFuture<Integer> f, g;
1181	<	CompletableFutureInc r;
1182	<
1183	<	f = new CompletableFuture<>();
1184	<	g = f.thenCompose(r = new CompletableFutureInc());
1185	<	f.complete(one);
1186	<	checkCompletedNormally(g, two);
1187	<	assertTrue(r.ran);
1188	<
1189	<	f = new CompletableFuture<>();
1190	<	f.complete(one);
1191	<	g = f.thenCompose(r = new CompletableFutureInc());
1465	<	checkCompletedNormally(g, two);
1466	<	assertTrue(r.ran);
1467	<	}
1179	>	public void testRunAsync_normalCompletion() {
1180	>	ExecutionMode[] executionModes = {
1181	>	ExecutionMode.ASYNC,
1182	>	ExecutionMode.EXECUTOR,
1183	>	};
1184	>	for (ExecutionMode m : executionModes)
1185	>	{
1186	>	final Noop r = new Noop(m);
1187	>	final CompletableFuture<Void> f = m.runAsync(r);
1188	>	assertNull(f.join());
1189	>	checkCompletedNormally(f, null);
1190	>	r.assertInvoked();
1191	>	}}
1192
1193		/**
1194	<	* thenCompose result completes exceptionally after exceptional
1471	<	* completion of source
1194	>	* failing runAsync completes exceptionally after running Runnable
1195		*/
1196	<	public void testThenCompose2() {
1197	<	CompletableFuture<Integer> f, g;
1198	<	CompletableFutureInc r;
1199	<
1200	<	f = new CompletableFuture<>();
1201	<	g = f.thenCompose(r = new CompletableFutureInc());
1202	<	f.completeExceptionally(new CFException());
1203	<	checkCompletedWithWrappedCFException(g);
1204	<
1205	<	f = new CompletableFuture<>();
1206	<	f.completeExceptionally(new CFException());
1207	<	g = f.thenCompose(r = new CompletableFutureInc());
1485	<	checkCompletedWithWrappedCFException(g);
1486	<	}
1196	>	public void testRunAsync_exceptionalCompletion() {
1197	>	ExecutionMode[] executionModes = {
1198	>	ExecutionMode.ASYNC,
1199	>	ExecutionMode.EXECUTOR,
1200	>	};
1201	>	for (ExecutionMode m : executionModes)
1202	>	{
1203	>	final FailingRunnable r = new FailingRunnable(m);
1204	>	final CompletableFuture<Void> f = m.runAsync(r);
1205	>	checkCompletedWithWrappedCFException(f);
1206	>	r.assertInvoked();
1207	>	}}
1208
1209		/**
1210	<	* thenCompose result completes exceptionally if action does
1210	>	* supplyAsync completes with result of supplier
1211		*/
1212	<	public void testThenCompose3() {
1213	<	CompletableFuture<Integer> f, g;
1214	<	FailingCompletableFutureFunction r;
1215	<
1216	<	f = new CompletableFuture<>();
1217	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1218	<	f.complete(one);
1219	<	checkCompletedWithWrappedCFException(g);
1220	<
1221	<	f = new CompletableFuture<>();
1222	<	f.complete(one);
1223	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1224	<	checkCompletedWithWrappedCFException(g);
1225	<	}
1212	>	public void testSupplyAsync_normalCompletion() {
1213	>	ExecutionMode[] executionModes = {
1214	>	ExecutionMode.ASYNC,
1215	>	ExecutionMode.EXECUTOR,
1216	>	};
1217	>	for (ExecutionMode m : executionModes)
1218	>	for (Integer v1 : new Integer[] { 1, null })
1219	>	{
1220	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1221	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1222	>	assertSame(v1, f.join());
1223	>	checkCompletedNormally(f, v1);
1224	>	r.assertInvoked();
1225	>	}}
1226
1227		/**
1228	<	* thenCompose result completes exceptionally if source cancelled
1228	>	* Failing supplyAsync completes exceptionally
1229		*/
1230	<	public void testThenCompose4() {
1231	<	CompletableFuture<Integer> f, g;
1232	<	CompletableFutureInc r;
1233	<
1234	<	f = new CompletableFuture<>();
1235	<	g = f.thenCompose(r = new CompletableFutureInc());
1236	<	assertTrue(f.cancel(true));
1237	<	checkCompletedWithWrappedCancellationException(g);
1238	<
1239	<	f = new CompletableFuture<>();
1240	<	assertTrue(f.cancel(true));
1241	<	g = f.thenCompose(r = new CompletableFutureInc());
1521	<	checkCompletedWithWrappedCancellationException(g);
1522	<	}
1230	>	public void testSupplyAsync_exceptionalCompletion() {
1231	>	ExecutionMode[] executionModes = {
1232	>	ExecutionMode.ASYNC,
1233	>	ExecutionMode.EXECUTOR,
1234	>	};
1235	>	for (ExecutionMode m : executionModes)
1236	>	{
1237	>	FailingSupplier r = new FailingSupplier(m);
1238	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1239	>	checkCompletedWithWrappedCFException(f);
1240	>	r.assertInvoked();
1241	>	}}
1242
1243	<	// asyncs
1243	>	// seq completion methods
1244
1245		/**
1246	<	* thenRunAsync result completes normally after normal completion of source
1246	>	* thenRun result completes normally after normal completion of source
1247		*/
1248	<	public void testThenRunAsync() {
1249	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1250	<	Noop r = new Noop();
1251	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1252	<	f.complete(null);
1253	<	checkCompletedNormally(g, null);
1248	>	public void testThenRun_normalCompletion() {
1249	>	for (ExecutionMode m : ExecutionMode.values())
1250	>	for (Integer v1 : new Integer[] { 1, null })
1251	>	{
1252	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1253	>	final Noop[] rs = new Noop[6];
1254	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1255
1256	<	// reordered version
1257	<	f = new CompletableFuture<>();
1258	<	f.complete(null);
1259	<	r = new Noop();
1260	<	g = f.thenRunAsync(r);
1261	<	checkCompletedNormally(g, null);
1262	<	}
1256	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1257	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1258	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1259	>	checkIncomplete(h0);
1260	>	checkIncomplete(h1);
1261	>	checkIncomplete(h2);
1262	>	assertTrue(f.complete(v1));
1263	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1264	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1265	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1266	>
1267	>	checkCompletedNormally(h0, null);
1268	>	checkCompletedNormally(h1, null);
1269	>	checkCompletedNormally(h2, null);
1270	>	checkCompletedNormally(h3, null);
1271	>	checkCompletedNormally(h4, null);
1272	>	checkCompletedNormally(h5, null);
1273	>	checkCompletedNormally(f, v1);
1274	>	for (Noop r : rs) r.assertInvoked();
1275	>	}}
1276
1277		/**
1278	<	* thenRunAsync result completes exceptionally after exceptional
1278	>	* thenRun result completes exceptionally after exceptional
1279		* completion of source
1280		*/
1281	<	public void testThenRunAsync2() {
1282	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1283	<	Noop r = new Noop();
1284	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1285	<	f.completeExceptionally(new CFException());
1286	<	try {
1287	<	g.join();
1555	<	shouldThrow();
1556	<	} catch (CompletionException success) {}
1557	<	checkCompletedWithWrappedCFException(g);
1558	<	}
1281	>	public void testThenRun_exceptionalCompletion() {
1282	>	for (ExecutionMode m : ExecutionMode.values())
1283	>	{
1284	>	final CFException ex = new CFException();
1285	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1286	>	final Noop[] rs = new Noop[6];
1287	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1288
1289	<	/**
1290	<	* thenRunAsync result completes exceptionally if action does
1291	<	*/
1292	<	public void testThenRunAsync3() {
1293	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1294	<	FailingNoop r = new FailingNoop();
1295	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1296	<	f.complete(null);
1297	<	checkCompletedWithWrappedCFException(g);
1298	<	}
1289	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1290	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1291	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1292	>	checkIncomplete(h0);
1293	>	checkIncomplete(h1);
1294	>	checkIncomplete(h2);
1295	>	assertTrue(f.completeExceptionally(ex));
1296	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1297	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1298	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1299	>
1300	>	checkCompletedWithWrappedException(h0, ex);
1301	>	checkCompletedWithWrappedException(h1, ex);
1302	>	checkCompletedWithWrappedException(h2, ex);
1303	>	checkCompletedWithWrappedException(h3, ex);
1304	>	checkCompletedWithWrappedException(h4, ex);
1305	>	checkCompletedWithWrappedException(h5, ex);
1306	>	checkCompletedExceptionally(f, ex);
1307	>	for (Noop r : rs) r.assertNotInvoked();
1308	>	}}
1309
1310		/**
1311	<	* thenRunAsync result completes exceptionally if source cancelled
1311	>	* thenRun result completes exceptionally if source cancelled
1312		*/
1313	<	public void testThenRunAsync4() {
1314	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1315	<	Noop r = new Noop();
1316	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1317	<	assertTrue(f.cancel(true));
1318	<	checkCompletedWithWrappedCancellationException(g);
1319	<	}
1313	>	public void testThenRun_sourceCancelled() {
1314	>	for (ExecutionMode m : ExecutionMode.values())
1315	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1316	>	{
1317	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1318	>	final Noop[] rs = new Noop[6];
1319	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1320
1321	<	/**
1322	<	* thenApplyAsync result completes normally after normal completion of source
1323	<	*/
1324	<	public void testThenApplyAsync() {
1325	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1326	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1327	<	f.complete(one);
1328	<	checkCompletedNormally(g, two);
1329	<	}
1321	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1322	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1323	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1324	>	checkIncomplete(h0);
1325	>	checkIncomplete(h1);
1326	>	checkIncomplete(h2);
1327	>	assertTrue(f.cancel(mayInterruptIfRunning));
1328	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1329	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1330	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1331	>
1332	>	checkCompletedWithWrappedCancellationException(h0);
1333	>	checkCompletedWithWrappedCancellationException(h1);
1334	>	checkCompletedWithWrappedCancellationException(h2);
1335	>	checkCompletedWithWrappedCancellationException(h3);
1336	>	checkCompletedWithWrappedCancellationException(h4);
1337	>	checkCompletedWithWrappedCancellationException(h5);
1338	>	checkCancelled(f);
1339	>	for (Noop r : rs) r.assertNotInvoked();
1340	>	}}
1341
1342		/**
1343	<	* thenApplyAsync result completes exceptionally after exceptional
1594	<	* completion of source
1343	>	* thenRun result completes exceptionally if action does
1344		*/
1345	<	public void testThenApplyAsync2() {
1346	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1347	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1348	<	f.completeExceptionally(new CFException());
1349	<	checkCompletedWithWrappedCFException(g);
1350	<	}
1345	>	public void testThenRun_actionFailed() {
1346	>	for (ExecutionMode m : ExecutionMode.values())
1347	>	for (Integer v1 : new Integer[] { 1, null })
1348	>	{
1349	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1350	>	final FailingRunnable[] rs = new FailingRunnable[6];
1351	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1352
1353	<	/**
1354	<	* thenApplyAsync result completes exceptionally if action does
1355	<	*/
1356	<	public void testThenApplyAsync3() {
1357	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1358	<	FailingFunction r = new FailingFunction();
1359	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1360	<	f.complete(null);
1361	<	checkCompletedWithWrappedCFException(g);
1362	<	}
1353	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1354	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1355	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1356	>	assertTrue(f.complete(v1));
1357	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1358	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1359	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1360	>
1361	>	checkCompletedWithWrappedCFException(h0);
1362	>	checkCompletedWithWrappedCFException(h1);
1363	>	checkCompletedWithWrappedCFException(h2);
1364	>	checkCompletedWithWrappedCFException(h3);
1365	>	checkCompletedWithWrappedCFException(h4);
1366	>	checkCompletedWithWrappedCFException(h5);
1367	>	checkCompletedNormally(f, v1);
1368	>	}}
1369
1370		/**
1371	<	* thenApplyAsync result completes exceptionally if source cancelled
1371	>	* thenApply result completes normally after normal completion of source
1372		*/
1373	<	public void testThenApplyAsync4() {
1374	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1375	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1376	<	assertTrue(f.cancel(true));
1377	<	checkCompletedWithWrappedCancellationException(g);
1378	<	}
1373	>	public void testThenApply_normalCompletion() {
1374	>	for (ExecutionMode m : ExecutionMode.values())
1375	>	for (Integer v1 : new Integer[] { 1, null })
1376	>	{
1377	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1378	>	final IncFunction[] rs = new IncFunction[4];
1379	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1380
1381	<	/**
1382	<	* thenAcceptAsync result completes normally after normal
1383	<	* completion of source
1384	<	*/
1385	<	public void testThenAcceptAsync() {
1386	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1387	<	IncAction r = new IncAction();
1388	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1389	<	f.complete(one);
1390	<	checkCompletedNormally(g, null);
1391	<	assertEquals(r.value, 2);
1392	<	}
1381	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1382	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1383	>	checkIncomplete(h0);
1384	>	checkIncomplete(h1);
1385	>	assertTrue(f.complete(v1));
1386	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1387	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1388	>
1389	>	checkCompletedNormally(h0, inc(v1));
1390	>	checkCompletedNormally(h1, inc(v1));
1391	>	checkCompletedNormally(h2, inc(v1));
1392	>	checkCompletedNormally(h3, inc(v1));
1393	>	checkCompletedNormally(f, v1);
1394	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1395	>	}}
1396
1397		/**
1398	<	* thenAcceptAsync result completes exceptionally after exceptional
1398	>	* thenApply result completes exceptionally after exceptional
1399		* completion of source
1400		*/
1401	<	public void testThenAcceptAsync2() {
1402	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1403	<	IncAction r = new IncAction();
1404	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1405	<	f.completeExceptionally(new CFException());
1406	<	checkCompletedWithWrappedCFException(g);
1407	<	}
1648	<
1649	<	/**
1650	<	* thenAcceptAsync result completes exceptionally if action does
1651	<	*/
1652	<	public void testThenAcceptAsync3() {
1653	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1654	<	FailingConsumer r = new FailingConsumer();
1655	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1656	<	f.complete(null);
1657	<	checkCompletedWithWrappedCFException(g);
1658	<	}
1659	<
1660	<	/**
1661	<	* thenAcceptAsync result completes exceptionally if source cancelled
1662	<	*/
1663	<	public void testThenAcceptAsync4() {
1664	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1665	<	IncAction r = new IncAction();
1666	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1667	<	assertTrue(f.cancel(true));
1668	<	checkCompletedWithWrappedCancellationException(g);
1669	<	}
1670	<
1671	<	/**
1672	<	* thenCombineAsync result completes normally after normal
1673	<	* completion of sources
1674	<	*/
1675	<	public void testThenCombineAsync() {
1676	<	CompletableFuture<Integer> f, g, h;
1677	<
1678	<	f = new CompletableFuture<>();
1679	<	g = new CompletableFuture<>();
1680	<	h = f.thenCombineAsync(g, subtract);
1681	<	f.complete(3);
1682	<	checkIncomplete(h);
1683	<	g.complete(1);
1684	<	checkCompletedNormally(h, 2);
1401	>	public void testThenApply_exceptionalCompletion() {
1402	>	for (ExecutionMode m : ExecutionMode.values())
1403	>	{
1404	>	final CFException ex = new CFException();
1405	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1406	>	final IncFunction[] rs = new IncFunction[4];
1407	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1408
1409	<	f = new CompletableFuture<>();
1410	<	g = new CompletableFuture<>();
1411	<	h = f.thenCombineAsync(g, subtract);
1412	<	g.complete(1);
1413	<	checkIncomplete(h);
1414	<	f.complete(3);
1415	<	checkCompletedNormally(h, 2);
1416	<
1417	<	f = new CompletableFuture<>();
1418	<	g = new CompletableFuture<>();
1419	<	g.complete(1);
1420	<	f.complete(3);
1421	<	h = f.thenCombineAsync(g, subtract);
1699	<	checkCompletedNormally(h, 2);
1700	<	}
1409	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1410	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1411	>	assertTrue(f.completeExceptionally(ex));
1412	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1413	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1414	>
1415	>	checkCompletedWithWrappedException(h0, ex);
1416	>	checkCompletedWithWrappedException(h1, ex);
1417	>	checkCompletedWithWrappedException(h2, ex);
1418	>	checkCompletedWithWrappedException(h3, ex);
1419	>	checkCompletedExceptionally(f, ex);
1420	>	for (IncFunction r : rs) r.assertNotInvoked();
1421	>	}}
1422
1423		/**
1424	<	* thenCombineAsync result completes exceptionally after exceptional
1704	<	* completion of either source
1424	>	* thenApply result completes exceptionally if source cancelled
1425		*/
1426	<	public void testThenCombineAsync2() {
1427	<	CompletableFuture<Integer> f, g, h;
1428	<
1429	<	f = new CompletableFuture<>();
1430	<	g = new CompletableFuture<>();
1431	<	h = f.thenCombineAsync(g, subtract);
1432	<	f.completeExceptionally(new CFException());
1713	<	checkIncomplete(h);
1714	<	g.complete(1);
1715	<	checkCompletedWithWrappedCFException(h);
1716	<
1717	<	f = new CompletableFuture<>();
1718	<	g = new CompletableFuture<>();
1719	<	h = f.thenCombineAsync(g, subtract);
1720	<	g.completeExceptionally(new CFException());
1721	<	checkIncomplete(h);
1722	<	f.complete(3);
1723	<	checkCompletedWithWrappedCFException(h);
1426	>	public void testThenApply_sourceCancelled() {
1427	>	for (ExecutionMode m : ExecutionMode.values())
1428	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1429	>	{
1430	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1431	>	final IncFunction[] rs = new IncFunction[4];
1432	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1433
1434	<	f = new CompletableFuture<>();
1435	<	g = new CompletableFuture<>();
1436	<	g.completeExceptionally(new CFException());
1437	<	f.complete(3);
1438	<	h = f.thenCombineAsync(g, subtract);
1730	<	checkCompletedWithWrappedCFException(h);
1731	<	}
1434	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1435	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1436	>	assertTrue(f.cancel(mayInterruptIfRunning));
1437	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1438	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1439
1440	<	/**
1441	<	* thenCombineAsync result completes exceptionally if action does
1442	<	*/
1443	<	public void testThenCombineAsync3() {
1444	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1445	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1446	<	FailingBiFunction r = new FailingBiFunction();
1740	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1741	<	f.complete(one);
1742	<	checkIncomplete(g);
1743	<	assertFalse(r.ran);
1744	<	f2.complete(two);
1745	<	checkCompletedWithWrappedCFException(g);
1746	<	assertTrue(r.ran);
1747	<	}
1440	>	checkCompletedWithWrappedCancellationException(h0);
1441	>	checkCompletedWithWrappedCancellationException(h1);
1442	>	checkCompletedWithWrappedCancellationException(h2);
1443	>	checkCompletedWithWrappedCancellationException(h3);
1444	>	checkCancelled(f);
1445	>	for (IncFunction r : rs) r.assertNotInvoked();
1446	>	}}
1447
1448		/**
1449	<	* thenCombineAsync result completes exceptionally if either source cancelled
1449	>	* thenApply result completes exceptionally if action does
1450		*/
1451	<	public void testThenCombineAsync4() {
1452	<	CompletableFuture<Integer> f, g, h;
1453	<
1454	<	f = new CompletableFuture<>();
1455	<	g = new CompletableFuture<>();
1456	<	h = f.thenCombineAsync(g, subtract);
1457	<	assertTrue(f.cancel(true));
1759	<	checkIncomplete(h);
1760	<	g.complete(1);
1761	<	checkCompletedWithWrappedCancellationException(h);
1762	<
1763	<	f = new CompletableFuture<>();
1764	<	g = new CompletableFuture<>();
1765	<	h = f.thenCombineAsync(g, subtract);
1766	<	assertTrue(g.cancel(true));
1767	<	checkIncomplete(h);
1768	<	f.complete(3);
1769	<	checkCompletedWithWrappedCancellationException(h);
1770	<
1771	<	f = new CompletableFuture<>();
1772	<	g = new CompletableFuture<>();
1773	<	g.complete(3);
1774	<	assertTrue(f.cancel(true));
1775	<	h = f.thenCombineAsync(g, subtract);
1776	<	checkCompletedWithWrappedCancellationException(h);
1451	>	public void testThenApply_actionFailed() {
1452	>	for (ExecutionMode m : ExecutionMode.values())
1453	>	for (Integer v1 : new Integer[] { 1, null })
1454	>	{
1455	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1456	>	final FailingFunction[] rs = new FailingFunction[4];
1457	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1458
1459	<	f = new CompletableFuture<>();
1460	<	g = new CompletableFuture<>();
1461	<	f.complete(3);
1462	<	assertTrue(g.cancel(true));
1463	<	h = f.thenCombineAsync(g, subtract);
1464	<	checkCompletedWithWrappedCancellationException(h);
1465	<	}
1459	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1460	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1461	>	assertTrue(f.complete(v1));
1462	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1463	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1464	>
1465	>	checkCompletedWithWrappedCFException(h0);
1466	>	checkCompletedWithWrappedCFException(h1);
1467	>	checkCompletedWithWrappedCFException(h2);
1468	>	checkCompletedWithWrappedCFException(h3);
1469	>	checkCompletedNormally(f, v1);
1470	>	}}
1471
1472		/**
1473	<	* thenAcceptBothAsync result completes normally after normal
1788	<	* completion of sources
1473	>	* thenAccept result completes normally after normal completion of source
1474		*/
1475	<	public void testThenAcceptBothAsync() {
1476	<	CompletableFuture<Integer> f, g;
1477	<	CompletableFuture<Void> h;
1478	<	SubtractAction r;
1479	<
1480	<	f = new CompletableFuture<>();
1481	<	g = new CompletableFuture<>();
1797	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1798	<	f.complete(3);
1799	<	checkIncomplete(h);
1800	<	g.complete(1);
1801	<	checkCompletedNormally(h, null);
1802	<	assertEquals(r.value, 2);
1803	<
1804	<	f = new CompletableFuture<>();
1805	<	g = new CompletableFuture<>();
1806	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1807	<	g.complete(1);
1808	<	checkIncomplete(h);
1809	<	f.complete(3);
1810	<	checkCompletedNormally(h, null);
1811	<	assertEquals(r.value, 2);
1475	>	public void testThenAccept_normalCompletion() {
1476	>	for (ExecutionMode m : ExecutionMode.values())
1477	>	for (Integer v1 : new Integer[] { 1, null })
1478	>	{
1479	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1480	>	final NoopConsumer[] rs = new NoopConsumer[4];
1481	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1482
1483	<	f = new CompletableFuture<>();
1484	<	g = new CompletableFuture<>();
1485	<	g.complete(1);
1486	<	f.complete(3);
1487	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1488	<	checkCompletedNormally(h, null);
1489	<	assertEquals(r.value, 2);
1490	<	}
1483	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1484	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1485	>	checkIncomplete(h0);
1486	>	checkIncomplete(h1);
1487	>	assertTrue(f.complete(v1));
1488	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1489	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1490	>
1491	>	checkCompletedNormally(h0, null);
1492	>	checkCompletedNormally(h1, null);
1493	>	checkCompletedNormally(h2, null);
1494	>	checkCompletedNormally(h3, null);
1495	>	checkCompletedNormally(f, v1);
1496	>	for (NoopConsumer r : rs) r.assertValue(v1);
1497	>	}}
1498
1499		/**
1500	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1500	>	* thenAccept result completes exceptionally after exceptional
1501		* completion of source
1502		*/
1503	<	public void testThenAcceptBothAsync2() {
1504	<	CompletableFuture<Integer> f, g;
1505	<	CompletableFuture<Void> h;
1506	<	SubtractAction r;
1507	<
1508	<	f = new CompletableFuture<>();
1509	<	g = new CompletableFuture<>();
1833	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1834	<	f.completeExceptionally(new CFException());
1835	<	checkIncomplete(h);
1836	<	g.complete(1);
1837	<	checkCompletedWithWrappedCFException(h);
1838	<
1839	<	f = new CompletableFuture<>();
1840	<	g = new CompletableFuture<>();
1841	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1842	<	g.completeExceptionally(new CFException());
1843	<	checkIncomplete(h);
1844	<	f.complete(3);
1845	<	checkCompletedWithWrappedCFException(h);
1846	<
1847	<	f = new CompletableFuture<>();
1848	<	g = new CompletableFuture<>();
1849	<	f.complete(3);
1850	<	g.completeExceptionally(new CFException());
1851	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1852	<	checkCompletedWithWrappedCFException(h);
1853	<
1854	<	f = new CompletableFuture<>();
1855	<	g = new CompletableFuture<>();
1856	<	f.completeExceptionally(new CFException());
1857	<	g.complete(3);
1858	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1859	<	checkCompletedWithWrappedCFException(h);
1860	<	}
1861	<
1862	<	/**
1863	<	* thenAcceptBothAsync result completes exceptionally if action does
1864	<	*/
1865	<	public void testThenAcceptBothAsync3() {
1866	<	CompletableFuture<Integer> f, g;
1867	<	CompletableFuture<Void> h;
1868	<	FailingBiConsumer r;
1869	<
1870	<	f = new CompletableFuture<>();
1871	<	g = new CompletableFuture<>();
1872	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1873	<	f.complete(3);
1874	<	checkIncomplete(h);
1875	<	g.complete(1);
1876	<	checkCompletedWithWrappedCFException(h);
1503	>	public void testThenAccept_exceptionalCompletion() {
1504	>	for (ExecutionMode m : ExecutionMode.values())
1505	>	{
1506	>	final CFException ex = new CFException();
1507	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1508	>	final NoopConsumer[] rs = new NoopConsumer[4];
1509	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1510
1511	<	f = new CompletableFuture<>();
1512	<	g = new CompletableFuture<>();
1513	<	f.complete(3);
1514	<	g.complete(1);
1515	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1516	<	checkCompletedWithWrappedCFException(h);
1517	<	}
1511	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1512	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1513	>	assertTrue(f.completeExceptionally(ex));
1514	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1515	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1516	>
1517	>	checkCompletedWithWrappedException(h0, ex);
1518	>	checkCompletedWithWrappedException(h1, ex);
1519	>	checkCompletedWithWrappedException(h2, ex);
1520	>	checkCompletedWithWrappedException(h3, ex);
1521	>	checkCompletedExceptionally(f, ex);
1522	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1523	>	}}
1524
1525		/**
1526	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1526	>	* thenAccept result completes exceptionally if source cancelled
1527		*/
1528	<	public void testThenAcceptBothAsync4() {
1529	<	CompletableFuture<Integer> f, g;
1530	<	CompletableFuture<Void> h;
1531	<	SubtractAction r;
1532	<
1533	<	f = new CompletableFuture<>();
1534	<	g = new CompletableFuture<>();
1896	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1897	<	assertTrue(f.cancel(true));
1898	<	checkIncomplete(h);
1899	<	g.complete(1);
1900	<	checkCompletedWithWrappedCancellationException(h);
1901	<
1902	<	f = new CompletableFuture<>();
1903	<	g = new CompletableFuture<>();
1904	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1905	<	assertTrue(g.cancel(true));
1906	<	checkIncomplete(h);
1907	<	f.complete(3);
1908	<	checkCompletedWithWrappedCancellationException(h);
1909	<
1910	<	f = new CompletableFuture<>();
1911	<	g = new CompletableFuture<>();
1912	<	f.complete(3);
1913	<	assertTrue(g.cancel(true));
1914	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1915	<	checkCompletedWithWrappedCancellationException(h);
1528	>	public void testThenAccept_sourceCancelled() {
1529	>	for (ExecutionMode m : ExecutionMode.values())
1530	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1531	>	{
1532	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1533	>	final NoopConsumer[] rs = new NoopConsumer[4];
1534	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1535
1536	<	f = new CompletableFuture<>();
1537	<	g = new CompletableFuture<>();
1538	<	assertTrue(f.cancel(true));
1539	<	g.complete(3);
1540	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1922	<	checkCompletedWithWrappedCancellationException(h);
1923	<	}
1536	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1537	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1538	>	assertTrue(f.cancel(mayInterruptIfRunning));
1539	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1540	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1541
1542	<	/**
1543	<	* runAfterBothAsync result completes normally after normal
1544	<	* completion of sources
1545	<	*/
1546	<	public void testRunAfterBothAsync() {
1547	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1548	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1932	<	Noop r = new Noop();
1933	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1934	<	f.complete(one);
1935	<	checkIncomplete(g);
1936	<	f2.complete(two);
1937	<	checkCompletedNormally(g, null);
1938	<	assertTrue(r.ran);
1939	<	}
1542	>	checkCompletedWithWrappedCancellationException(h0);
1543	>	checkCompletedWithWrappedCancellationException(h1);
1544	>	checkCompletedWithWrappedCancellationException(h2);
1545	>	checkCompletedWithWrappedCancellationException(h3);
1546	>	checkCancelled(f);
1547	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1548	>	}}
1549
1550		/**
1551	<	* runAfterBothAsync result completes exceptionally after exceptional
1943	<	* completion of source
1551	>	* thenAccept result completes exceptionally if action does
1552		*/
1553	<	public void testRunAfterBothAsync2() {
1554	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1555	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1556	<	Noop r = new Noop();
1557	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1558	<	f.completeExceptionally(new CFException());
1559	<	f2.complete(two);
1952	<	checkCompletedWithWrappedCFException(g);
1953	<
1954	<	r = new Noop();
1955	<	f = new CompletableFuture<>();
1956	<	f2 = new CompletableFuture<>();
1957	<	g = f.runAfterBothAsync(f2, r);
1958	<	f.complete(one);
1959	<	f2.completeExceptionally(new CFException());
1960	<	checkCompletedWithWrappedCFException(g);
1961	<	}
1553	>	public void testThenAccept_actionFailed() {
1554	>	for (ExecutionMode m : ExecutionMode.values())
1555	>	for (Integer v1 : new Integer[] { 1, null })
1556	>	{
1557	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1558	>	final FailingConsumer[] rs = new FailingConsumer[4];
1559	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1560
1561	<	/**
1562	<	* runAfterBothAsync result completes exceptionally if action does
1563	<	*/
1564	<	public void testRunAfterBothAsync3() {
1565	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1566	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1567	<	FailingNoop r = new FailingNoop();
1568	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1569	<	f.complete(one);
1570	<	checkIncomplete(g);
1571	<	f2.complete(two);
1572	<	checkCompletedWithWrappedCFException(g);
1975	<	}
1561	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1562	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1563	>	assertTrue(f.complete(v1));
1564	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1565	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1566	>
1567	>	checkCompletedWithWrappedCFException(h0);
1568	>	checkCompletedWithWrappedCFException(h1);
1569	>	checkCompletedWithWrappedCFException(h2);
1570	>	checkCompletedWithWrappedCFException(h3);
1571	>	checkCompletedNormally(f, v1);
1572	>	}}
1573
1574		/**
1575	<	* runAfterBothAsync result completes exceptionally if either source cancelled
1575	>	* thenCombine result completes normally after normal completion
1576	>	* of sources
1577		*/
1578	<	public void testRunAfterBothAsync4() {
1579	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1580	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1581	<	Noop r = new Noop();
1582	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1583	<	assertTrue(f.cancel(true));
1584	<	f2.complete(two);
1585	<	checkCompletedWithWrappedCancellationException(g);
1586	<
1587	<	r = new Noop();
1990	<	f = new CompletableFuture<>();
1991	<	f2 = new CompletableFuture<>();
1992	<	g = f.runAfterBothAsync(f2, r);
1993	<	f.complete(one);
1994	<	assertTrue(f2.cancel(true));
1995	<	checkCompletedWithWrappedCancellationException(g);
1996	<	}
1578	>	public void testThenCombine_normalCompletion() {
1579	>	for (ExecutionMode m : ExecutionMode.values())
1580	>	for (boolean fFirst : new boolean[] { true, false })
1581	>	for (Integer v1 : new Integer[] { 1, null })
1582	>	for (Integer v2 : new Integer[] { 2, null })
1583	>	{
1584	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1585	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1586	>	final SubtractFunction[] rs = new SubtractFunction[6];
1587	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1588
1589	<	/**
1590	<	* applyToEitherAsync result completes normally after normal
1591	<	* completion of sources
1592	<	*/
1593	<	public void testApplyToEitherAsync() {
1594	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1595	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1596	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1597	<	f.complete(one);
1598	<	checkCompletedNormally(g, two);
1589	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1590	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1591	>	final Integer w1 =  fFirst ? v1 : v2;
1592	>	final Integer w2 = !fFirst ? v1 : v2;
1593	>
1594	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1595	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1596	>	assertTrue(fst.complete(w1));
1597	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1598	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1599	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1600	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1601	>	checkCompletedNormally(h1, subtract(w1, w1));
1602	>	checkCompletedNormally(h3, subtract(w1, w1));
1603	>	rs[1].assertValue(subtract(w1, w1));
1604	>	rs[3].assertValue(subtract(w1, w1));
1605	>	assertTrue(snd.complete(w2));
1606	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1607	>
1608	>	checkCompletedNormally(h0, subtract(v1, v2));
1609	>	checkCompletedNormally(h2, subtract(v1, v2));
1610	>	checkCompletedNormally(h4, subtract(v1, v2));
1611	>	rs[0].assertValue(subtract(v1, v2));
1612	>	rs[2].assertValue(subtract(v1, v2));
1613	>	rs[4].assertValue(subtract(v1, v2));
1614
1615	<	f = new CompletableFuture<>();
1616	<	f.complete(one);
1617	<	f2 = new CompletableFuture<>();
2012	<	g = f.applyToEitherAsync(f2, inc);
2013	<	checkCompletedNormally(g, two);
2014	<	}
1615	>	checkCompletedNormally(f, v1);
1616	>	checkCompletedNormally(g, v2);
1617	>	}}
1618
1619		/**
1620	<	* applyToEitherAsync result completes exceptionally after exceptional
1621	<	* completion of source
1620	>	* thenCombine result completes exceptionally after exceptional
1621	>	* completion of either source
1622		*/
1623	<	public void testApplyToEitherAsync2() {
1624	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1625	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1626	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1627	<	f.completeExceptionally(new CFException());
1628	<	checkCompletedWithWrappedCFException(g);
1629	<
1630	<	f = new CompletableFuture<>();
1631	<	f2 = new CompletableFuture<>();
1632	<	f2.completeExceptionally(new CFException());
1633	<	g = f.applyToEitherAsync(f2, inc);
1634	<	f.complete(one);
1635	<	checkCompletedWithWrappedCFException(g);
1636	<	}
1623	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1624	>	for (ExecutionMode m : ExecutionMode.values())
1625	>	for (boolean fFirst : new boolean[] { true, false })
1626	>	for (boolean failFirst : new boolean[] { true, false })
1627	>	for (Integer v1 : new Integer[] { 1, null })
1628	>	{
1629	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1630	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1631	>	final CFException ex = new CFException();
1632	>	final SubtractFunction r1 = new SubtractFunction(m);
1633	>	final SubtractFunction r2 = new SubtractFunction(m);
1634	>	final SubtractFunction r3 = new SubtractFunction(m);
1635	>
1636	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1637	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1638	>	final Callable<Boolean> complete1 = failFirst ?
1639	>	() -> fst.completeExceptionally(ex) :
1640	>	() -> fst.complete(v1);
1641	>	final Callable<Boolean> complete2 = failFirst ?
1642	>	() -> snd.complete(v1) :
1643	>	() -> snd.completeExceptionally(ex);
1644	>
1645	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1646	>	assertTrue(complete1.call());
1647	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1648	>	checkIncomplete(h1);
1649	>	checkIncomplete(h2);
1650	>	assertTrue(complete2.call());
1651	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1652	>
1653	>	checkCompletedWithWrappedException(h1, ex);
1654	>	checkCompletedWithWrappedException(h2, ex);
1655	>	checkCompletedWithWrappedException(h3, ex);
1656	>	r1.assertNotInvoked();
1657	>	r2.assertNotInvoked();
1658	>	r3.assertNotInvoked();
1659	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1660	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1661	>	}}
1662
1663		/**
1664	<	* applyToEitherAsync result completes exceptionally if action does
1664	>	* thenCombine result completes exceptionally if either source cancelled
1665		*/
1666	<	public void testApplyToEitherAsync3() {
1667	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1668	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1669	<	FailingFunction r = new FailingFunction();
1670	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1671	<	f.complete(one);
1672	<	checkCompletedWithWrappedCFException(g);
1673	<	}
1666	>	public void testThenCombine_sourceCancelled() throws Throwable {
1667	>	for (ExecutionMode m : ExecutionMode.values())
1668	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1669	>	for (boolean fFirst : new boolean[] { true, false })
1670	>	for (boolean failFirst : new boolean[] { true, false })
1671	>	for (Integer v1 : new Integer[] { 1, null })
1672	>	{
1673	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1674	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1675	>	final SubtractFunction r1 = new SubtractFunction(m);
1676	>	final SubtractFunction r2 = new SubtractFunction(m);
1677	>	final SubtractFunction r3 = new SubtractFunction(m);
1678	>
1679	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1680	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1681	>	final Callable<Boolean> complete1 = failFirst ?
1682	>	() -> fst.cancel(mayInterruptIfRunning) :
1683	>	() -> fst.complete(v1);
1684	>	final Callable<Boolean> complete2 = failFirst ?
1685	>	() -> snd.complete(v1) :
1686	>	() -> snd.cancel(mayInterruptIfRunning);
1687	>
1688	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1689	>	assertTrue(complete1.call());
1690	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1691	>	checkIncomplete(h1);
1692	>	checkIncomplete(h2);
1693	>	assertTrue(complete2.call());
1694	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1695	>
1696	>	checkCompletedWithWrappedCancellationException(h1);
1697	>	checkCompletedWithWrappedCancellationException(h2);
1698	>	checkCompletedWithWrappedCancellationException(h3);
1699	>	r1.assertNotInvoked();
1700	>	r2.assertNotInvoked();
1701	>	r3.assertNotInvoked();
1702	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1703	>	checkCancelled(failFirst ? fst : snd);
1704	>	}}
1705
1706		/**
1707	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1707	>	* thenCombine result completes exceptionally if action does
1708		*/
1709	<	public void testApplyToEitherAsync4() {
1710	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1711	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1712	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1713	<	assertTrue(f.cancel(true));
1714	<	checkCompletedWithWrappedCancellationException(g);
1715	<
1716	<	f = new CompletableFuture<>();
1717	<	f2 = new CompletableFuture<>();
1718	<	assertTrue(f2.cancel(true));
1719	<	g = f.applyToEitherAsync(f2, inc);
1720	<	checkCompletedWithWrappedCancellationException(g);
1721	<	}
1709	>	public void testThenCombine_actionFailed() {
1710	>	for (ExecutionMode m : ExecutionMode.values())
1711	>	for (boolean fFirst : new boolean[] { true, false })
1712	>	for (Integer v1 : new Integer[] { 1, null })
1713	>	for (Integer v2 : new Integer[] { 2, null })
1714	>	{
1715	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1716	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1717	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1718	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1719	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1720	>
1721	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1722	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1723	>	final Integer w1 =  fFirst ? v1 : v2;
1724	>	final Integer w2 = !fFirst ? v1 : v2;
1725	>
1726	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1727	>	assertTrue(fst.complete(w1));
1728	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1729	>	assertTrue(snd.complete(w2));
1730	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1731	>
1732	>	checkCompletedWithWrappedCFException(h1);
1733	>	checkCompletedWithWrappedCFException(h2);
1734	>	checkCompletedWithWrappedCFException(h3);
1735	>	r1.assertInvoked();
1736	>	r2.assertInvoked();
1737	>	r3.assertInvoked();
1738	>	checkCompletedNormally(f, v1);
1739	>	checkCompletedNormally(g, v2);
1740	>	}}
1741
1742		/**
1743	<	* acceptEitherAsync result completes normally after normal
1743	>	* thenAcceptBoth result completes normally after normal
1744		* completion of sources
1745		*/
1746	<	public void testAcceptEitherAsync() {
1747	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1748	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1749	<	IncAction r = new IncAction();
1750	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1751	<	f.complete(one);
1752	<	checkCompletedNormally(g, null);
1753	<	assertEquals(r.value, 2);
1754	<
1755	<	r = new IncAction();
1756	<	f = new CompletableFuture<>();
1757	<	f.complete(one);
1758	<	f2 = new CompletableFuture<>();
1759	<	g = f.acceptEitherAsync(f2, r);
1760	<	checkCompletedNormally(g, null);
1761	<	assertEquals(r.value, 2);
1762	<	}
1746	>	public void testThenAcceptBoth_normalCompletion() {
1747	>	for (ExecutionMode m : ExecutionMode.values())
1748	>	for (boolean fFirst : new boolean[] { true, false })
1749	>	for (Integer v1 : new Integer[] { 1, null })
1750	>	for (Integer v2 : new Integer[] { 2, null })
1751	>	{
1752	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1753	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1754	>	final SubtractAction r1 = new SubtractAction(m);
1755	>	final SubtractAction r2 = new SubtractAction(m);
1756	>	final SubtractAction r3 = new SubtractAction(m);
1757	>
1758	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1759	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1760	>	final Integer w1 =  fFirst ? v1 : v2;
1761	>	final Integer w2 = !fFirst ? v1 : v2;
1762	>
1763	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1764	>	assertTrue(fst.complete(w1));
1765	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1766	>	checkIncomplete(h1);
1767	>	checkIncomplete(h2);
1768	>	r1.assertNotInvoked();
1769	>	r2.assertNotInvoked();
1770	>	assertTrue(snd.complete(w2));
1771	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1772	>
1773	>	checkCompletedNormally(h1, null);
1774	>	checkCompletedNormally(h2, null);
1775	>	checkCompletedNormally(h3, null);
1776	>	r1.assertValue(subtract(v1, v2));
1777	>	r2.assertValue(subtract(v1, v2));
1778	>	r3.assertValue(subtract(v1, v2));
1779	>	checkCompletedNormally(f, v1);
1780	>	checkCompletedNormally(g, v2);
1781	>	}}
1782
1783		/**
1784	<	* acceptEitherAsync result completes exceptionally after exceptional
1785	<	* completion of source
1784	>	* thenAcceptBoth result completes exceptionally after exceptional
1785	>	* completion of either source
1786		*/
1787	<	public void testAcceptEitherAsync2() {
1788	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1789	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1790	<	IncAction r = new IncAction();
1791	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1792	<	f.completeExceptionally(new CFException());
1793	<	checkCompletedWithWrappedCFException(g);
1794	<
1795	<	r = new IncAction();
1796	<	f = new CompletableFuture<>();
1797	<	f2 = new CompletableFuture<>();
1798	<	f2.completeExceptionally(new CFException());
1799	<	g = f.acceptEitherAsync(f2, r);
1800	<	f.complete(one);
1801	<	checkCompletedWithWrappedCFException(g);
1802	<	}
1787	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1788	>	for (ExecutionMode m : ExecutionMode.values())
1789	>	for (boolean fFirst : new boolean[] { true, false })
1790	>	for (boolean failFirst : new boolean[] { true, false })
1791	>	for (Integer v1 : new Integer[] { 1, null })
1792	>	{
1793	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1794	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1795	>	final CFException ex = new CFException();
1796	>	final SubtractAction r1 = new SubtractAction(m);
1797	>	final SubtractAction r2 = new SubtractAction(m);
1798	>	final SubtractAction r3 = new SubtractAction(m);
1799	>
1800	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1801	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1802	>	final Callable<Boolean> complete1 = failFirst ?
1803	>	() -> fst.completeExceptionally(ex) :
1804	>	() -> fst.complete(v1);
1805	>	final Callable<Boolean> complete2 = failFirst ?
1806	>	() -> snd.complete(v1) :
1807	>	() -> snd.completeExceptionally(ex);
1808	>
1809	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1810	>	assertTrue(complete1.call());
1811	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1812	>	checkIncomplete(h1);
1813	>	checkIncomplete(h2);
1814	>	assertTrue(complete2.call());
1815	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1816	>
1817	>	checkCompletedWithWrappedException(h1, ex);
1818	>	checkCompletedWithWrappedException(h2, ex);
1819	>	checkCompletedWithWrappedException(h3, ex);
1820	>	r1.assertNotInvoked();
1821	>	r2.assertNotInvoked();
1822	>	r3.assertNotInvoked();
1823	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1824	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1825	>	}}
1826
1827		/**
1828	<	* acceptEitherAsync result completes exceptionally if action does
1828	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1829		*/
1830	<	public void testAcceptEitherAsync3() {
1831	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1832	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1833	<	FailingConsumer r = new FailingConsumer();
1834	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1835	<	f.complete(one);
1836	<	checkCompletedWithWrappedCFException(g);
1837	<	}
1830	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1831	>	for (ExecutionMode m : ExecutionMode.values())
1832	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1833	>	for (boolean fFirst : new boolean[] { true, false })
1834	>	for (boolean failFirst : new boolean[] { true, false })
1835	>	for (Integer v1 : new Integer[] { 1, null })
1836	>	{
1837	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1838	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1839	>	final SubtractAction r1 = new SubtractAction(m);
1840	>	final SubtractAction r2 = new SubtractAction(m);
1841	>	final SubtractAction r3 = new SubtractAction(m);
1842	>
1843	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1844	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1845	>	final Callable<Boolean> complete1 = failFirst ?
1846	>	() -> fst.cancel(mayInterruptIfRunning) :
1847	>	() -> fst.complete(v1);
1848	>	final Callable<Boolean> complete2 = failFirst ?
1849	>	() -> snd.complete(v1) :
1850	>	() -> snd.cancel(mayInterruptIfRunning);
1851	>
1852	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1853	>	assertTrue(complete1.call());
1854	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1855	>	checkIncomplete(h1);
1856	>	checkIncomplete(h2);
1857	>	assertTrue(complete2.call());
1858	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1859	>
1860	>	checkCompletedWithWrappedCancellationException(h1);
1861	>	checkCompletedWithWrappedCancellationException(h2);
1862	>	checkCompletedWithWrappedCancellationException(h3);
1863	>	r1.assertNotInvoked();
1864	>	r2.assertNotInvoked();
1865	>	r3.assertNotInvoked();
1866	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1867	>	checkCancelled(failFirst ? fst : snd);
1868	>	}}
1869
1870		/**
1871	<	* acceptEitherAsync result completes exceptionally if either
2121	<	* source cancelled
1871	>	* thenAcceptBoth result completes exceptionally if action does
1872		*/
1873	<	public void testAcceptEitherAsync4() {
1874	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1875	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1876	<	IncAction r = new IncAction();
1877	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1878	<	assertTrue(f.cancel(true));
1879	<	checkCompletedWithWrappedCancellationException(g);
1880	<
1881	<	r = new IncAction();
1882	<	f = new CompletableFuture<>();
1883	<	f2 = new CompletableFuture<>();
1884	<	assertTrue(f2.cancel(true));
1885	<	g = f.acceptEitherAsync(f2, r);
1886	<	checkCompletedWithWrappedCancellationException(g);
1887	<	}
1873	>	public void testThenAcceptBoth_actionFailed() {
1874	>	for (ExecutionMode m : ExecutionMode.values())
1875	>	for (boolean fFirst : new boolean[] { true, false })
1876	>	for (Integer v1 : new Integer[] { 1, null })
1877	>	for (Integer v2 : new Integer[] { 2, null })
1878	>	{
1879	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1880	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1881	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1882	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1883	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1884	>
1885	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1886	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1887	>	final Integer w1 =  fFirst ? v1 : v2;
1888	>	final Integer w2 = !fFirst ? v1 : v2;
1889	>
1890	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1891	>	assertTrue(fst.complete(w1));
1892	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1893	>	assertTrue(snd.complete(w2));
1894	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1895	>
1896	>	checkCompletedWithWrappedCFException(h1);
1897	>	checkCompletedWithWrappedCFException(h2);
1898	>	checkCompletedWithWrappedCFException(h3);
1899	>	r1.assertInvoked();
1900	>	r2.assertInvoked();
1901	>	r3.assertInvoked();
1902	>	checkCompletedNormally(f, v1);
1903	>	checkCompletedNormally(g, v2);
1904	>	}}
1905
1906		/**
1907	<	* runAfterEitherAsync result completes normally after normal
1907	>	* runAfterBoth result completes normally after normal
1908		* completion of sources
1909		*/
1910	<	public void testRunAfterEitherAsync() {
1911	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1912	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1913	<	Noop r = new Noop();
1914	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1915	<	f.complete(one);
1916	<	checkCompletedNormally(g, null);
1917	<	assertTrue(r.ran);
1918	<
1919	<	r = new Noop();
1920	<	f = new CompletableFuture<>();
1921	<	f.complete(one);
1922	<	f2 = new CompletableFuture<>();
1923	<	g = f.runAfterEitherAsync(f2, r);
1924	<	checkCompletedNormally(g, null);
1925	<	assertTrue(r.ran);
1926	<	}
1910	>	public void testRunAfterBoth_normalCompletion() {
1911	>	for (ExecutionMode m : ExecutionMode.values())
1912	>	for (boolean fFirst : new boolean[] { true, false })
1913	>	for (Integer v1 : new Integer[] { 1, null })
1914	>	for (Integer v2 : new Integer[] { 2, null })
1915	>	{
1916	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1917	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1918	>	final Noop r1 = new Noop(m);
1919	>	final Noop r2 = new Noop(m);
1920	>	final Noop r3 = new Noop(m);
1921	>
1922	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1923	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1924	>	final Integer w1 =  fFirst ? v1 : v2;
1925	>	final Integer w2 = !fFirst ? v1 : v2;
1926	>
1927	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1928	>	assertTrue(fst.complete(w1));
1929	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1930	>	checkIncomplete(h1);
1931	>	checkIncomplete(h2);
1932	>	r1.assertNotInvoked();
1933	>	r2.assertNotInvoked();
1934	>	assertTrue(snd.complete(w2));
1935	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1936	>
1937	>	checkCompletedNormally(h1, null);
1938	>	checkCompletedNormally(h2, null);
1939	>	checkCompletedNormally(h3, null);
1940	>	r1.assertInvoked();
1941	>	r2.assertInvoked();
1942	>	r3.assertInvoked();
1943	>	checkCompletedNormally(f, v1);
1944	>	checkCompletedNormally(g, v2);
1945	>	}}
1946
1947		/**
1948	<	* runAfterEitherAsync result completes exceptionally after exceptional
1949	<	* completion of source
1948	>	* runAfterBoth result completes exceptionally after exceptional
1949	>	* completion of either source
1950		*/
1951	<	public void testRunAfterEitherAsync2() {
1952	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1953	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1954	<	Noop r = new Noop();
1955	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1956	<	f.completeExceptionally(new CFException());
1957	<	checkCompletedWithWrappedCFException(g);
1958	<
1959	<	r = new Noop();
1960	<	f = new CompletableFuture<>();
1961	<	f2 = new CompletableFuture<>();
1962	<	f2.completeExceptionally(new CFException());
1963	<	g = f.runAfterEitherAsync(f2, r);
1964	<	f.complete(one);
1965	<	checkCompletedWithWrappedCFException(g);
1966	<	}
1951	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1952	>	for (ExecutionMode m : ExecutionMode.values())
1953	>	for (boolean fFirst : new boolean[] { true, false })
1954	>	for (boolean failFirst : new boolean[] { true, false })
1955	>	for (Integer v1 : new Integer[] { 1, null })
1956	>	{
1957	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1958	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1959	>	final CFException ex = new CFException();
1960	>	final Noop r1 = new Noop(m);
1961	>	final Noop r2 = new Noop(m);
1962	>	final Noop r3 = new Noop(m);
1963	>
1964	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1965	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1966	>	final Callable<Boolean> complete1 = failFirst ?
1967	>	() -> fst.completeExceptionally(ex) :
1968	>	() -> fst.complete(v1);
1969	>	final Callable<Boolean> complete2 = failFirst ?
1970	>	() -> snd.complete(v1) :
1971	>	() -> snd.completeExceptionally(ex);
1972	>
1973	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1974	>	assertTrue(complete1.call());
1975	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1976	>	checkIncomplete(h1);
1977	>	checkIncomplete(h2);
1978	>	assertTrue(complete2.call());
1979	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1980	>
1981	>	checkCompletedWithWrappedException(h1, ex);
1982	>	checkCompletedWithWrappedException(h2, ex);
1983	>	checkCompletedWithWrappedException(h3, ex);
1984	>	r1.assertNotInvoked();
1985	>	r2.assertNotInvoked();
1986	>	r3.assertNotInvoked();
1987	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1988	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1989	>	}}
1990
1991		/**
1992	<	* runAfterEitherAsync result completes exceptionally if action does
1992	>	* runAfterBoth result completes exceptionally if either source cancelled
1993		*/
1994	<	public void testRunAfterEitherAsync3() {
1995	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1996	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1997	<	FailingNoop r = new FailingNoop();
1998	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1999	<	f.complete(one);
2000	<	checkCompletedWithWrappedCFException(g);
2001	<	}
1994	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
1995	>	for (ExecutionMode m : ExecutionMode.values())
1996	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1997	>	for (boolean fFirst : new boolean[] { true, false })
1998	>	for (boolean failFirst : new boolean[] { true, false })
1999	>	for (Integer v1 : new Integer[] { 1, null })
2000	>	{
2001	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2002	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2003	>	final Noop r1 = new Noop(m);
2004	>	final Noop r2 = new Noop(m);
2005	>	final Noop r3 = new Noop(m);
2006	>
2007	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2008	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2009	>	final Callable<Boolean> complete1 = failFirst ?
2010	>	() -> fst.cancel(mayInterruptIfRunning) :
2011	>	() -> fst.complete(v1);
2012	>	final Callable<Boolean> complete2 = failFirst ?
2013	>	() -> snd.complete(v1) :
2014	>	() -> snd.cancel(mayInterruptIfRunning);
2015	>
2016	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2017	>	assertTrue(complete1.call());
2018	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2019	>	checkIncomplete(h1);
2020	>	checkIncomplete(h2);
2021	>	assertTrue(complete2.call());
2022	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2023	>
2024	>	checkCompletedWithWrappedCancellationException(h1);
2025	>	checkCompletedWithWrappedCancellationException(h2);
2026	>	checkCompletedWithWrappedCancellationException(h3);
2027	>	r1.assertNotInvoked();
2028	>	r2.assertNotInvoked();
2029	>	r3.assertNotInvoked();
2030	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2031	>	checkCancelled(failFirst ? fst : snd);
2032	>	}}
2033
2034		/**
2035	<	* runAfterEitherAsync result completes exceptionally if either
2196	<	* source cancelled
2035	>	* runAfterBoth result completes exceptionally if action does
2036		*/
2037	<	public void testRunAfterEitherAsync4() {
2038	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2039	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2040	<	Noop r = new Noop();
2041	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2042	<	assertTrue(f.cancel(true));
2043	<	checkCompletedWithWrappedCancellationException(g);
2044	<
2045	<	r = new Noop();
2046	<	f = new CompletableFuture<>();
2047	<	f2 = new CompletableFuture<>();
2048	<	assertTrue(f2.cancel(true));
2049	<	g = f.runAfterEitherAsync(f2, r);
2050	<	checkCompletedWithWrappedCancellationException(g);
2051	<	}
2037	>	public void testRunAfterBoth_actionFailed() {
2038	>	for (ExecutionMode m : ExecutionMode.values())
2039	>	for (boolean fFirst : new boolean[] { true, false })
2040	>	for (Integer v1 : new Integer[] { 1, null })
2041	>	for (Integer v2 : new Integer[] { 2, null })
2042	>	{
2043	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2044	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2045	>	final FailingRunnable r1 = new FailingRunnable(m);
2046	>	final FailingRunnable r2 = new FailingRunnable(m);
2047	>	final FailingRunnable r3 = new FailingRunnable(m);
2048	>
2049	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2050	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2051	>	final Integer w1 =  fFirst ? v1 : v2;
2052	>	final Integer w2 = !fFirst ? v1 : v2;
2053	>
2054	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2055	>	assertTrue(fst.complete(w1));
2056	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2057	>	assertTrue(snd.complete(w2));
2058	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2059	>
2060	>	checkCompletedWithWrappedCFException(h1);
2061	>	checkCompletedWithWrappedCFException(h2);
2062	>	checkCompletedWithWrappedCFException(h3);
2063	>	r1.assertInvoked();
2064	>	r2.assertInvoked();
2065	>	r3.assertInvoked();
2066	>	checkCompletedNormally(f, v1);
2067	>	checkCompletedNormally(g, v2);
2068	>	}}
2069
2070		/**
2071	<	* thenComposeAsync result completes normally after normal
2072	<	* completion of source
2071	>	* applyToEither result completes normally after normal completion
2072	>	* of either source
2073		*/
2074	<	public void testThenComposeAsync() {
2075	<	CompletableFuture<Integer> f, g;
2076	<	CompletableFutureInc r;
2077	<
2078	<	f = new CompletableFuture<>();
2079	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2080	<	f.complete(one);
2081	<	checkCompletedNormally(g, two);
2082	<
2227	<	f = new CompletableFuture<>();
2228	<	f.complete(one);
2229	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2230	<	checkCompletedNormally(g, two);
2231	<	}
2074	>	public void testApplyToEither_normalCompletion() {
2075	>	for (ExecutionMode m : ExecutionMode.values())
2076	>	for (Integer v1 : new Integer[] { 1, null })
2077	>	for (Integer v2 : new Integer[] { 2, null })
2078	>	{
2079	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2080	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2081	>	final IncFunction[] rs = new IncFunction[6];
2082	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2083
2084	<	/**
2085	<	* thenComposeAsync result completes exceptionally after
2086	<	* exceptional completion of source
2087	<	*/
2088	<	public void testThenComposeAsync2() {
2089	<	CompletableFuture<Integer> f, g;
2090	<	CompletableFutureInc r;
2084	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2085	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2086	>	checkIncomplete(h0);
2087	>	checkIncomplete(h1);
2088	>	rs[0].assertNotInvoked();
2089	>	rs[1].assertNotInvoked();
2090	>	f.complete(v1);
2091	>	checkCompletedNormally(h0, inc(v1));
2092	>	checkCompletedNormally(h1, inc(v1));
2093	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2094	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2095	>	checkCompletedNormally(h2, inc(v1));
2096	>	checkCompletedNormally(h3, inc(v1));
2097	>	g.complete(v2);
2098
2099	<	f = new CompletableFuture<>();
2100	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2101	<	f.completeExceptionally(new CFException());
2102	<	checkCompletedWithWrappedCFException(g);
2103	<	assertFalse(r.ran);
2099	>	// unspecified behavior - both source completions available
2100	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2101	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2102	>	rs[4].assertValue(h4.join());
2103	>	rs[5].assertValue(h5.join());
2104	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2105	>	Objects.equals(inc(v2), h4.join()));
2106	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2107	>	Objects.equals(inc(v2), h5.join()));
2108
2109	<	f = new CompletableFuture<>();
2110	<	f.completeExceptionally(new CFException());
2111	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2112	<	checkCompletedWithWrappedCFException(g);
2113	<	assertFalse(r.ran);
2114	<	}
2109	>	checkCompletedNormally(f, v1);
2110	>	checkCompletedNormally(g, v2);
2111	>	checkCompletedNormally(h0, inc(v1));
2112	>	checkCompletedNormally(h1, inc(v1));
2113	>	checkCompletedNormally(h2, inc(v1));
2114	>	checkCompletedNormally(h3, inc(v1));
2115	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2116	>	}}
2117
2118		/**
2119	<	* thenComposeAsync result completes exceptionally if action does
2119	>	* applyToEither result completes exceptionally after exceptional
2120	>	* completion of either source
2121		*/
2122	<	public void testThenComposeAsync3() {
2123	<	CompletableFuture<Integer> f, g;
2124	<	FailingCompletableFutureFunction r;
2125	<
2126	<	f = new CompletableFuture<>();
2127	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2128	<	f.complete(one);
2129	<	checkCompletedWithWrappedCFException(g);
2122	>	public void testApplyToEither_exceptionalCompletion() {
2123	>	for (ExecutionMode m : ExecutionMode.values())
2124	>	for (Integer v1 : new Integer[] { 1, null })
2125	>	{
2126	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2127	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2128	>	final CFException ex = new CFException();
2129	>	final IncFunction[] rs = new IncFunction[6];
2130	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2131
2132	<	f = new CompletableFuture<>();
2133	<	f.complete(one);
2134	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2135	<	checkCompletedWithWrappedCFException(g);
2136	<	}
2132	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2133	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2134	>	checkIncomplete(h0);
2135	>	checkIncomplete(h1);
2136	>	rs[0].assertNotInvoked();
2137	>	rs[1].assertNotInvoked();
2138	>	f.completeExceptionally(ex);
2139	>	checkCompletedWithWrappedException(h0, ex);
2140	>	checkCompletedWithWrappedException(h1, ex);
2141	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2142	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2143	>	checkCompletedWithWrappedException(h2, ex);
2144	>	checkCompletedWithWrappedException(h3, ex);
2145	>	g.complete(v1);
2146
2147	<	/**
2148	<	* thenComposeAsync result completes exceptionally if source cancelled
2149	<	*/
2150	<	public void testThenComposeAsync4() {
2151	<	CompletableFuture<Integer> f, g;
2152	<	CompletableFutureInc r;
2147	>	// unspecified behavior - both source completions available
2148	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2149	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2150	>	try {
2151	>	assertEquals(inc(v1), h4.join());
2152	>	rs[4].assertValue(inc(v1));
2153	>	} catch (CompletionException ok) {
2154	>	checkCompletedWithWrappedException(h4, ex);
2155	>	rs[4].assertNotInvoked();
2156	>	}
2157	>	try {
2158	>	assertEquals(inc(v1), h5.join());
2159	>	rs[5].assertValue(inc(v1));
2160	>	} catch (CompletionException ok) {
2161	>	checkCompletedWithWrappedException(h5, ex);
2162	>	rs[5].assertNotInvoked();
2163	>	}
2164
2165	<	f = new CompletableFuture<>();
2166	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2167	<	assertTrue(f.cancel(true));
2168	<	checkCompletedWithWrappedCancellationException(g);
2165	>	checkCompletedExceptionally(f, ex);
2166	>	checkCompletedNormally(g, v1);
2167	>	checkCompletedWithWrappedException(h0, ex);
2168	>	checkCompletedWithWrappedException(h1, ex);
2169	>	checkCompletedWithWrappedException(h2, ex);
2170	>	checkCompletedWithWrappedException(h3, ex);
2171	>	checkCompletedWithWrappedException(h4, ex);
2172	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2173	>	}}
2174	>
2175	>	public void testApplyToEither_exceptionalCompletion2() {
2176	>	for (ExecutionMode m : ExecutionMode.values())
2177	>	for (boolean fFirst : new boolean[] { true, false })
2178	>	for (Integer v1 : new Integer[] { 1, null })
2179	>	{
2180	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2181	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2182	>	final CFException ex = new CFException();
2183	>	final IncFunction[] rs = new IncFunction[6];
2184	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2185
2186	<	f = new CompletableFuture<>();
2187	<	assertTrue(f.cancel(true));
2188	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2189	<	checkCompletedWithWrappedCancellationException(g);
2190	<	}
2186	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2187	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2188	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2189	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2190	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2191	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2192	>
2193	>	// unspecified behavior - both source completions available
2194	>	try {
2195	>	assertEquals(inc(v1), h0.join());
2196	>	rs[0].assertValue(inc(v1));
2197	>	} catch (CompletionException ok) {
2198	>	checkCompletedWithWrappedException(h0, ex);
2199	>	rs[0].assertNotInvoked();
2200	>	}
2201	>	try {
2202	>	assertEquals(inc(v1), h1.join());
2203	>	rs[1].assertValue(inc(v1));
2204	>	} catch (CompletionException ok) {
2205	>	checkCompletedWithWrappedException(h1, ex);
2206	>	rs[1].assertNotInvoked();
2207	>	}
2208	>	try {
2209	>	assertEquals(inc(v1), h2.join());
2210	>	rs[2].assertValue(inc(v1));
2211	>	} catch (CompletionException ok) {
2212	>	checkCompletedWithWrappedException(h2, ex);
2213	>	rs[2].assertNotInvoked();
2214	>	}
2215	>	try {
2216	>	assertEquals(inc(v1), h3.join());
2217	>	rs[3].assertValue(inc(v1));
2218	>	} catch (CompletionException ok) {
2219	>	checkCompletedWithWrappedException(h3, ex);
2220	>	rs[3].assertNotInvoked();
2221	>	}
2222
2223	<	// async with explicit executors
2223	>	checkCompletedNormally(f, v1);
2224	>	checkCompletedExceptionally(g, ex);
2225	>	}}
2226
2227		/**
2228	<	* thenRunAsync result completes normally after normal completion of source
2228	>	* applyToEither result completes exceptionally if either source cancelled
2229		*/
2230	<	public void testThenRunAsyncE() {
2231	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2232	<	Noop r = new Noop();
2233	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2234	<	f.complete(null);
2235	<	checkCompletedNormally(g, null);
2236	<
2237	<	// reordered version
2238	<	f = new CompletableFuture<>();
2304	<	f.complete(null);
2305	<	r = new Noop();
2306	<	g = f.thenRunAsync(r, new ThreadExecutor());
2307	<	checkCompletedNormally(g, null);
2308	<	}
2230	>	public void testApplyToEither_sourceCancelled() {
2231	>	for (ExecutionMode m : ExecutionMode.values())
2232	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2233	>	for (Integer v1 : new Integer[] { 1, null })
2234	>	{
2235	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2236	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2237	>	final IncFunction[] rs = new IncFunction[6];
2238	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2239
2240	<	/**
2241	<	* thenRunAsync result completes exceptionally after exceptional
2242	<	* completion of source
2243	<	*/
2244	<	public void testThenRunAsync2E() {
2245	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2246	<	Noop r = new Noop();
2247	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2248	<	f.completeExceptionally(new CFException());
2249	<	try {
2250	<	g.join();
2251	<	shouldThrow();
2252	<	} catch (CompletionException success) {}
2253	<	checkCompletedWithWrappedCFException(g);
2324	<	}
2240	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2241	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2242	>	checkIncomplete(h0);
2243	>	checkIncomplete(h1);
2244	>	rs[0].assertNotInvoked();
2245	>	rs[1].assertNotInvoked();
2246	>	f.cancel(mayInterruptIfRunning);
2247	>	checkCompletedWithWrappedCancellationException(h0);
2248	>	checkCompletedWithWrappedCancellationException(h1);
2249	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2250	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2251	>	checkCompletedWithWrappedCancellationException(h2);
2252	>	checkCompletedWithWrappedCancellationException(h3);
2253	>	g.complete(v1);
2254
2255	<	/**
2256	<	* thenRunAsync result completes exceptionally if action does
2257	<	*/
2258	<	public void testThenRunAsync3E() {
2259	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2260	<	FailingNoop r = new FailingNoop();
2261	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2262	<	f.complete(null);
2263	<	checkCompletedWithWrappedCFException(g);
2264	<	}
2255	>	// unspecified behavior - both source completions available
2256	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2257	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2258	>	try {
2259	>	assertEquals(inc(v1), h4.join());
2260	>	rs[4].assertValue(inc(v1));
2261	>	} catch (CompletionException ok) {
2262	>	checkCompletedWithWrappedCancellationException(h4);
2263	>	rs[4].assertNotInvoked();
2264	>	}
2265	>	try {
2266	>	assertEquals(inc(v1), h5.join());
2267	>	rs[5].assertValue(inc(v1));
2268	>	} catch (CompletionException ok) {
2269	>	checkCompletedWithWrappedCancellationException(h5);
2270	>	rs[5].assertNotInvoked();
2271	>	}
2272
2273	<	/**
2274	<	* thenRunAsync result completes exceptionally if source cancelled
2275	<	*/
2276	<	public void testThenRunAsync4E() {
2277	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2278	<	Noop r = new Noop();
2279	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2280	<	assertTrue(f.cancel(true));
2345	<	checkCompletedWithWrappedCancellationException(g);
2346	<	}
2273	>	checkCancelled(f);
2274	>	checkCompletedNormally(g, v1);
2275	>	checkCompletedWithWrappedCancellationException(h0);
2276	>	checkCompletedWithWrappedCancellationException(h1);
2277	>	checkCompletedWithWrappedCancellationException(h2);
2278	>	checkCompletedWithWrappedCancellationException(h3);
2279	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2280	>	}}
2281
2282	<	/**
2283	<	* thenApplyAsync result completes normally after normal completion of source
2284	<	*/
2285	<	public void testThenApplyAsyncE() {
2286	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2287	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2288	<	f.complete(one);
2289	<	checkCompletedNormally(g, two);
2290	<	}
2282	>	public void testApplyToEither_sourceCancelled2() {
2283	>	for (ExecutionMode m : ExecutionMode.values())
2284	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2285	>	for (boolean fFirst : new boolean[] { true, false })
2286	>	for (Integer v1 : new Integer[] { 1, null })
2287	>	{
2288	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2289	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2290	>	final IncFunction[] rs = new IncFunction[6];
2291	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2292
2293	<	/**
2294	<	* thenApplyAsync result completes exceptionally after exceptional
2295	<	* completion of source
2296	<	*/
2297	<	public void testThenApplyAsync2E() {
2298	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2299	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2300	<	f.completeExceptionally(new CFException());
2301	<	checkCompletedWithWrappedCFException(g);
2302	<	}
2293	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2294	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2295	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2296	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2297	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2298	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2299	>
2300	>	// unspecified behavior - both source completions available
2301	>	try {
2302	>	assertEquals(inc(v1), h0.join());
2303	>	rs[0].assertValue(inc(v1));
2304	>	} catch (CompletionException ok) {
2305	>	checkCompletedWithWrappedCancellationException(h0);
2306	>	rs[0].assertNotInvoked();
2307	>	}
2308	>	try {
2309	>	assertEquals(inc(v1), h1.join());
2310	>	rs[1].assertValue(inc(v1));
2311	>	} catch (CompletionException ok) {
2312	>	checkCompletedWithWrappedCancellationException(h1);
2313	>	rs[1].assertNotInvoked();
2314	>	}
2315	>	try {
2316	>	assertEquals(inc(v1), h2.join());
2317	>	rs[2].assertValue(inc(v1));
2318	>	} catch (CompletionException ok) {
2319	>	checkCompletedWithWrappedCancellationException(h2);
2320	>	rs[2].assertNotInvoked();
2321	>	}
2322	>	try {
2323	>	assertEquals(inc(v1), h3.join());
2324	>	rs[3].assertValue(inc(v1));
2325	>	} catch (CompletionException ok) {
2326	>	checkCompletedWithWrappedCancellationException(h3);
2327	>	rs[3].assertNotInvoked();
2328	>	}
2329
2330	<	/**
2331	<	* thenApplyAsync result completes exceptionally if action does
2332	<	*/
2372	<	public void testThenApplyAsync3E() {
2373	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2374	<	FailingFunction r = new FailingFunction();
2375	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2376	<	f.complete(null);
2377	<	checkCompletedWithWrappedCFException(g);
2378	<	}
2330	>	checkCompletedNormally(f, v1);
2331	>	checkCancelled(g);
2332	>	}}
2333
2334		/**
2335	<	* thenApplyAsync result completes exceptionally if source cancelled
2335	>	* applyToEither result completes exceptionally if action does
2336		*/
2337	<	public void testThenApplyAsync4E() {
2338	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2339	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2340	<	assertTrue(f.cancel(true));
2341	<	checkCompletedWithWrappedCancellationException(g);
2342	<	}
2337	>	public void testApplyToEither_actionFailed() {
2338	>	for (ExecutionMode m : ExecutionMode.values())
2339	>	for (Integer v1 : new Integer[] { 1, null })
2340	>	for (Integer v2 : new Integer[] { 2, null })
2341	>	{
2342	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2343	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2344	>	final FailingFunction[] rs = new FailingFunction[6];
2345	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2346
2347	<	/**
2348	<	* thenAcceptAsync result completes normally after normal
2349	<	* completion of source
2350	<	*/
2351	<	public void testThenAcceptAsyncE() {
2352	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2353	<	IncAction r = new IncAction();
2354	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2355	<	f.complete(one);
2356	<	checkCompletedNormally(g, null);
2400	<	assertEquals(r.value, 2);
2401	<	}
2347	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2348	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2349	>	f.complete(v1);
2350	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2351	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2352	>	checkCompletedWithWrappedCFException(h0);
2353	>	checkCompletedWithWrappedCFException(h1);
2354	>	checkCompletedWithWrappedCFException(h2);
2355	>	checkCompletedWithWrappedCFException(h3);
2356	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2357
2358	<	/**
2404	<	* thenAcceptAsync result completes exceptionally after exceptional
2405	<	* completion of source
2406	<	*/
2407	<	public void testThenAcceptAsync2E() {
2408	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2409	<	IncAction r = new IncAction();
2410	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2411	<	f.completeExceptionally(new CFException());
2412	<	checkCompletedWithWrappedCFException(g);
2413	<	}
2358	>	g.complete(v2);
2359
2360	<	/**
2361	<	* thenAcceptAsync result completes exceptionally if action does
2362	<	*/
2363	<	public void testThenAcceptAsync3E() {
2364	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2365	<	FailingConsumer r = new FailingConsumer();
2366	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2367	<	f.complete(null);
2368	<	checkCompletedWithWrappedCFException(g);
2369	<	}
2360	>	// unspecified behavior - both source completions available
2361	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2362	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2363	>
2364	>	checkCompletedWithWrappedCFException(h4);
2365	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2366	>	Objects.equals(v2, rs[4].value));
2367	>	checkCompletedWithWrappedCFException(h5);
2368	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2369	>	Objects.equals(v2, rs[5].value));
2370
2371	<	/**
2372	<	* thenAcceptAsync result completes exceptionally if source cancelled
2373	<	*/
2429	<	public void testThenAcceptAsync4E() {
2430	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2431	<	IncAction r = new IncAction();
2432	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2433	<	assertTrue(f.cancel(true));
2434	<	checkCompletedWithWrappedCancellationException(g);
2435	<	}
2371	>	checkCompletedNormally(f, v1);
2372	>	checkCompletedNormally(g, v2);
2373	>	}}
2374
2375		/**
2376	<	* thenCombineAsync result completes normally after normal
2377	<	* completion of sources
2376	>	* acceptEither result completes normally after normal completion
2377	>	* of either source
2378		*/
2379	<	public void testThenCombineAsyncE() {
2380	<	CompletableFuture<Integer> f, g, h;
2381	<	ThreadExecutor e = new ThreadExecutor();
2382	<	int count = 0;
2379	>	public void testAcceptEither_normalCompletion() {
2380	>	for (ExecutionMode m : ExecutionMode.values())
2381	>	for (Integer v1 : new Integer[] { 1, null })
2382	>	for (Integer v2 : new Integer[] { 2, null })
2383	>	{
2384	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2385	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2386	>	final NoopConsumer[] rs = new NoopConsumer[6];
2387	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2388
2389	<	f = new CompletableFuture<>();
2390	<	g = new CompletableFuture<>();
2391	<	h = f.thenCombineAsync(g, subtract, e);
2392	<	f.complete(3);
2393	<	checkIncomplete(h);
2394	<	g.complete(1);
2395	<	checkCompletedNormally(h, 2);
2396	<	assertEquals(++count, e.count.get());
2389	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2390	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2391	>	checkIncomplete(h0);
2392	>	checkIncomplete(h1);
2393	>	rs[0].assertNotInvoked();
2394	>	rs[1].assertNotInvoked();
2395	>	f.complete(v1);
2396	>	checkCompletedNormally(h0, null);
2397	>	checkCompletedNormally(h1, null);
2398	>	rs[0].assertValue(v1);
2399	>	rs[1].assertValue(v1);
2400	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2401	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2402	>	checkCompletedNormally(h2, null);
2403	>	checkCompletedNormally(h3, null);
2404	>	rs[2].assertValue(v1);
2405	>	rs[3].assertValue(v1);
2406	>	g.complete(v2);
2407
2408	<	f = new CompletableFuture<>();
2409	<	g = new CompletableFuture<>();
2410	<	h = f.thenCombineAsync(g, subtract, e);
2411	<	g.complete(1);
2412	<	checkIncomplete(h);
2413	<	f.complete(3);
2414	<	checkCompletedNormally(h, 2);
2415	<	assertEquals(++count, e.count.get());
2408	>	// unspecified behavior - both source completions available
2409	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2410	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2411	>	checkCompletedNormally(h4, null);
2412	>	checkCompletedNormally(h5, null);
2413	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2414	>	Objects.equals(v2, rs[4].value));
2415	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2416	>	Objects.equals(v2, rs[5].value));
2417
2418	<	f = new CompletableFuture<>();
2419	<	g = new CompletableFuture<>();
2420	<	g.complete(1);
2421	<	f.complete(3);
2422	<	h = f.thenCombineAsync(g, subtract, e);
2423	<	checkCompletedNormally(h, 2);
2424	<	assertEquals(++count, e.count.get());
2425	<	}
2418	>	checkCompletedNormally(f, v1);
2419	>	checkCompletedNormally(g, v2);
2420	>	checkCompletedNormally(h0, null);
2421	>	checkCompletedNormally(h1, null);
2422	>	checkCompletedNormally(h2, null);
2423	>	checkCompletedNormally(h3, null);
2424	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2425	>	}}
2426
2427		/**
2428	<	* thenCombineAsync result completes exceptionally after exceptional
2428	>	* acceptEither result completes exceptionally after exceptional
2429		* completion of either source
2430		*/
2431	<	public void testThenCombineAsync2E() {
2432	<	CompletableFuture<Integer> f, g, h;
2433	<	ThreadExecutor e = new ThreadExecutor();
2434	<	int count = 0;
2435	<
2436	<	f = new CompletableFuture<>();
2437	<	g = new CompletableFuture<>();
2438	<	h = f.thenCombineAsync(g, subtract, e);
2439	<	f.completeExceptionally(new CFException());
2486	<	checkIncomplete(h);
2487	<	g.complete(1);
2488	<	checkCompletedWithWrappedCFException(h);
2489	<
2490	<	f = new CompletableFuture<>();
2491	<	g = new CompletableFuture<>();
2492	<	h = f.thenCombineAsync(g, subtract, e);
2493	<	g.completeExceptionally(new CFException());
2494	<	checkIncomplete(h);
2495	<	f.complete(3);
2496	<	checkCompletedWithWrappedCFException(h);
2497	<
2498	<	f = new CompletableFuture<>();
2499	<	g = new CompletableFuture<>();
2500	<	g.completeExceptionally(new CFException());
2501	<	h = f.thenCombineAsync(g, subtract, e);
2502	<	checkIncomplete(h);
2503	<	f.complete(3);
2504	<	checkCompletedWithWrappedCFException(h);
2505	<
2506	<	assertEquals(0, e.count.get());
2507	<	}
2508	<
2509	<	/**
2510	<	* thenCombineAsync result completes exceptionally if action does
2511	<	*/
2512	<	public void testThenCombineAsync3E() {
2513	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2514	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2515	<	FailingBiFunction r = new FailingBiFunction();
2516	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2517	<	f.complete(one);
2518	<	checkIncomplete(g);
2519	<	assertFalse(r.ran);
2520	<	f2.complete(two);
2521	<	checkCompletedWithWrappedCFException(g);
2522	<	assertTrue(r.ran);
2523	<	}
2431	>	public void testAcceptEither_exceptionalCompletion() {
2432	>	for (ExecutionMode m : ExecutionMode.values())
2433	>	for (Integer v1 : new Integer[] { 1, null })
2434	>	{
2435	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2436	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2437	>	final CFException ex = new CFException();
2438	>	final NoopConsumer[] rs = new NoopConsumer[6];
2439	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2440
2441	<	/**
2442	<	* thenCombineAsync result completes exceptionally if either source cancelled
2443	<	*/
2444	<	public void testThenCombineAsync4E() {
2445	<	CompletableFuture<Integer> f, g, h;
2446	<	ThreadExecutor e = new ThreadExecutor();
2441	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2442	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2443	>	checkIncomplete(h0);
2444	>	checkIncomplete(h1);
2445	>	rs[0].assertNotInvoked();
2446	>	rs[1].assertNotInvoked();
2447	>	f.completeExceptionally(ex);
2448	>	checkCompletedWithWrappedException(h0, ex);
2449	>	checkCompletedWithWrappedException(h1, ex);
2450	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2451	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2452	>	checkCompletedWithWrappedException(h2, ex);
2453	>	checkCompletedWithWrappedException(h3, ex);
2454
2455	<	f = new CompletableFuture<>();
2533	<	g = new CompletableFuture<>();
2534	<	h = f.thenCombineAsync(g, subtract, e);
2535	<	assertTrue(f.cancel(true));
2536	<	checkIncomplete(h);
2537	<	g.complete(1);
2538	<	checkCompletedWithWrappedCancellationException(h);
2455	>	g.complete(v1);
2456
2457	<	f = new CompletableFuture<>();
2458	<	g = new CompletableFuture<>();
2459	<	h = f.thenCombineAsync(g, subtract, e);
2460	<	assertTrue(g.cancel(true));
2461	<	checkIncomplete(h);
2462	<	f.complete(3);
2463	<	checkCompletedWithWrappedCancellationException(h);
2457	>	// unspecified behavior - both source completions available
2458	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2459	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2460	>	try {
2461	>	assertNull(h4.join());
2462	>	rs[4].assertValue(v1);
2463	>	} catch (CompletionException ok) {
2464	>	checkCompletedWithWrappedException(h4, ex);
2465	>	rs[4].assertNotInvoked();
2466	>	}
2467	>	try {
2468	>	assertNull(h5.join());
2469	>	rs[5].assertValue(v1);
2470	>	} catch (CompletionException ok) {
2471	>	checkCompletedWithWrappedException(h5, ex);
2472	>	rs[5].assertNotInvoked();
2473	>	}
2474
2475	<	f = new CompletableFuture<>();
2476	<	g = new CompletableFuture<>();
2477	<	assertTrue(g.cancel(true));
2478	<	h = f.thenCombineAsync(g, subtract, e);
2479	<	checkIncomplete(h);
2480	<	f.complete(3);
2481	<	checkCompletedWithWrappedCancellationException(h);
2475	>	checkCompletedExceptionally(f, ex);
2476	>	checkCompletedNormally(g, v1);
2477	>	checkCompletedWithWrappedException(h0, ex);
2478	>	checkCompletedWithWrappedException(h1, ex);
2479	>	checkCompletedWithWrappedException(h2, ex);
2480	>	checkCompletedWithWrappedException(h3, ex);
2481	>	checkCompletedWithWrappedException(h4, ex);
2482	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2483	>	}}
2484	>
2485	>	public void testAcceptEither_exceptionalCompletion2() {
2486	>	for (ExecutionMode m : ExecutionMode.values())
2487	>	for (boolean fFirst : new boolean[] { true, false })
2488	>	for (Integer v1 : new Integer[] { 1, null })
2489	>	{
2490	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2491	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2492	>	final CFException ex = new CFException();
2493	>	final NoopConsumer[] rs = new NoopConsumer[6];
2494	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2495
2496	<	f = new CompletableFuture<>();
2497	<	g = new CompletableFuture<>();
2498	<	assertTrue(f.cancel(true));
2499	<	assertTrue(g.cancel(true));
2500	<	h = f.thenCombineAsync(g, subtract, e);
2501	<	checkCompletedWithWrappedCancellationException(h);
2496	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2497	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2498	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2499	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2500	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2501	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2502	>
2503	>	// unspecified behavior - both source completions available
2504	>	try {
2505	>	assertEquals(null, h0.join());
2506	>	rs[0].assertValue(v1);
2507	>	} catch (CompletionException ok) {
2508	>	checkCompletedWithWrappedException(h0, ex);
2509	>	rs[0].assertNotInvoked();
2510	>	}
2511	>	try {
2512	>	assertEquals(null, h1.join());
2513	>	rs[1].assertValue(v1);
2514	>	} catch (CompletionException ok) {
2515	>	checkCompletedWithWrappedException(h1, ex);
2516	>	rs[1].assertNotInvoked();
2517	>	}
2518	>	try {
2519	>	assertEquals(null, h2.join());
2520	>	rs[2].assertValue(v1);
2521	>	} catch (CompletionException ok) {
2522	>	checkCompletedWithWrappedException(h2, ex);
2523	>	rs[2].assertNotInvoked();
2524	>	}
2525	>	try {
2526	>	assertEquals(null, h3.join());
2527	>	rs[3].assertValue(v1);
2528	>	} catch (CompletionException ok) {
2529	>	checkCompletedWithWrappedException(h3, ex);
2530	>	rs[3].assertNotInvoked();
2531	>	}
2532
2533	<	assertEquals(0, e.count.get());
2534	<	}
2533	>	checkCompletedNormally(f, v1);
2534	>	checkCompletedExceptionally(g, ex);
2535	>	}}
2536
2537		/**
2538	<	* thenAcceptBothAsync result completes normally after normal
2568	<	* completion of sources
2538	>	* acceptEither result completes exceptionally if either source cancelled
2539		*/
2540	<	public void testThenAcceptBothAsyncE() {
2541	<	CompletableFuture<Integer> f, g;
2542	<	CompletableFuture<Void> h;
2543	<	SubtractAction r;
2544	<	ThreadExecutor e = new ThreadExecutor();
2540	>	public void testAcceptEither_sourceCancelled() {
2541	>	for (ExecutionMode m : ExecutionMode.values())
2542	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2543	>	for (Integer v1 : new Integer[] { 1, null })
2544	>	{
2545	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2546	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2547	>	final NoopConsumer[] rs = new NoopConsumer[6];
2548	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2549
2550	<	f = new CompletableFuture<>();
2551	<	g = new CompletableFuture<>();
2552	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2553	<	f.complete(3);
2554	<	checkIncomplete(h);
2555	<	g.complete(1);
2556	<	checkCompletedNormally(h, null);
2557	<	assertEquals(r.value, 2);
2550	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2551	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2552	>	checkIncomplete(h0);
2553	>	checkIncomplete(h1);
2554	>	rs[0].assertNotInvoked();
2555	>	rs[1].assertNotInvoked();
2556	>	f.cancel(mayInterruptIfRunning);
2557	>	checkCompletedWithWrappedCancellationException(h0);
2558	>	checkCompletedWithWrappedCancellationException(h1);
2559	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2560	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2561	>	checkCompletedWithWrappedCancellationException(h2);
2562	>	checkCompletedWithWrappedCancellationException(h3);
2563
2564	<	f = new CompletableFuture<>();
2586	<	g = new CompletableFuture<>();
2587	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2588	<	g.complete(1);
2589	<	checkIncomplete(h);
2590	<	f.complete(3);
2591	<	checkCompletedNormally(h, null);
2592	<	assertEquals(r.value, 2);
2564	>	g.complete(v1);
2565
2566	<	f = new CompletableFuture<>();
2567	<	g = new CompletableFuture<>();
2568	<	g.complete(1);
2569	<	f.complete(3);
2570	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2571	<	checkCompletedNormally(h, null);
2572	<	assertEquals(r.value, 2);
2566	>	// unspecified behavior - both source completions available
2567	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2568	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2569	>	try {
2570	>	assertNull(h4.join());
2571	>	rs[4].assertValue(v1);
2572	>	} catch (CompletionException ok) {
2573	>	checkCompletedWithWrappedCancellationException(h4);
2574	>	rs[4].assertNotInvoked();
2575	>	}
2576	>	try {
2577	>	assertNull(h5.join());
2578	>	rs[5].assertValue(v1);
2579	>	} catch (CompletionException ok) {
2580	>	checkCompletedWithWrappedCancellationException(h5);
2581	>	rs[5].assertNotInvoked();
2582	>	}
2583
2584	<	assertEquals(3, e.count.get());
2585	<	}
2584	>	checkCancelled(f);
2585	>	checkCompletedNormally(g, v1);
2586	>	checkCompletedWithWrappedCancellationException(h0);
2587	>	checkCompletedWithWrappedCancellationException(h1);
2588	>	checkCompletedWithWrappedCancellationException(h2);
2589	>	checkCompletedWithWrappedCancellationException(h3);
2590	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2591	>	}}
2592
2593		/**
2594	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2607	<	* completion of source
2594	>	* acceptEither result completes exceptionally if action does
2595		*/
2596	<	public void testThenAcceptBothAsync2E() {
2597	<	CompletableFuture<Integer> f, g;
2598	<	CompletableFuture<Void> h;
2599	<	SubtractAction r;
2600	<	ThreadExecutor e = new ThreadExecutor();
2601	<
2602	<	f = new CompletableFuture<>();
2603	<	g = new CompletableFuture<>();
2604	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2618	<	f.completeExceptionally(new CFException());
2619	<	checkIncomplete(h);
2620	<	g.complete(1);
2621	<	checkCompletedWithWrappedCFException(h);
2622	<
2623	<	f = new CompletableFuture<>();
2624	<	g = new CompletableFuture<>();
2625	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2626	<	g.completeExceptionally(new CFException());
2627	<	checkIncomplete(h);
2628	<	f.complete(3);
2629	<	checkCompletedWithWrappedCFException(h);
2630	<
2631	<	f = new CompletableFuture<>();
2632	<	g = new CompletableFuture<>();
2633	<	f.complete(3);
2634	<	g.completeExceptionally(new CFException());
2635	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2636	<	checkCompletedWithWrappedCFException(h);
2637	<
2638	<	f = new CompletableFuture<>();
2639	<	g = new CompletableFuture<>();
2640	<	f.completeExceptionally(new CFException());
2641	<	g.complete(3);
2642	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2643	<	checkCompletedWithWrappedCFException(h);
2644	<
2645	<	assertEquals(0, e.count.get());
2646	<	}
2596	>	public void testAcceptEither_actionFailed() {
2597	>	for (ExecutionMode m : ExecutionMode.values())
2598	>	for (Integer v1 : new Integer[] { 1, null })
2599	>	for (Integer v2 : new Integer[] { 2, null })
2600	>	{
2601	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2602	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2603	>	final FailingConsumer[] rs = new FailingConsumer[6];
2604	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2605
2606	<	/**
2607	<	* thenAcceptBothAsync result completes exceptionally if action does
2608	<	*/
2609	<	public void testThenAcceptBothAsync3E() {
2610	<	CompletableFuture<Integer> f, g;
2611	<	CompletableFuture<Void> h;
2612	<	FailingBiConsumer r;
2613	<	ThreadExecutor e = new ThreadExecutor();
2606	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2607	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2608	>	f.complete(v1);
2609	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2610	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2611	>	checkCompletedWithWrappedCFException(h0);
2612	>	checkCompletedWithWrappedCFException(h1);
2613	>	checkCompletedWithWrappedCFException(h2);
2614	>	checkCompletedWithWrappedCFException(h3);
2615	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2616
2617	<	f = new CompletableFuture<>();
2658	<	g = new CompletableFuture<>();
2659	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2660	<	f.complete(3);
2661	<	checkIncomplete(h);
2662	<	g.complete(1);
2663	<	checkCompletedWithWrappedCFException(h);
2617	>	g.complete(v2);
2618
2619	<	f = new CompletableFuture<>();
2620	<	g = new CompletableFuture<>();
2621	<	f.complete(3);
2622	<	g.complete(1);
2623	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2624	<	checkCompletedWithWrappedCFException(h);
2619	>	// unspecified behavior - both source completions available
2620	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2621	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2622	>
2623	>	checkCompletedWithWrappedCFException(h4);
2624	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2625	>	Objects.equals(v2, rs[4].value));
2626	>	checkCompletedWithWrappedCFException(h5);
2627	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2628	>	Objects.equals(v2, rs[5].value));
2629
2630	<	assertEquals(2, e.count.get());
2631	<	}
2630	>	checkCompletedNormally(f, v1);
2631	>	checkCompletedNormally(g, v2);
2632	>	}}
2633
2634		/**
2635	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2635	>	* runAfterEither result completes normally after normal completion
2636	>	* of either source
2637		*/
2638	<	public void testThenAcceptBothAsync4E() {
2639	<	CompletableFuture<Integer> f, g;
2640	<	CompletableFuture<Void> h;
2641	<	SubtractAction r;
2642	<	ThreadExecutor e = new ThreadExecutor();
2643	<
2644	<	f = new CompletableFuture<>();
2645	<	g = new CompletableFuture<>();
2646	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2687	<	assertTrue(f.cancel(true));
2688	<	checkIncomplete(h);
2689	<	g.complete(1);
2690	<	checkCompletedWithWrappedCancellationException(h);
2691	<
2692	<	f = new CompletableFuture<>();
2693	<	g = new CompletableFuture<>();
2694	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2695	<	assertTrue(g.cancel(true));
2696	<	checkIncomplete(h);
2697	<	f.complete(3);
2698	<	checkCompletedWithWrappedCancellationException(h);
2638	>	public void testRunAfterEither_normalCompletion() {
2639	>	for (ExecutionMode m : ExecutionMode.values())
2640	>	for (Integer v1 : new Integer[] { 1, null })
2641	>	for (Integer v2 : new Integer[] { 2, null })
2642	>	{
2643	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2644	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2645	>	final Noop[] rs = new Noop[6];
2646	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2647
2648	<	f = new CompletableFuture<>();
2649	<	g = new CompletableFuture<>();
2650	<	f.complete(3);
2651	<	assertTrue(g.cancel(true));
2652	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2653	<	checkCompletedWithWrappedCancellationException(h);
2648	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2649	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2650	>	checkIncomplete(h0);
2651	>	checkIncomplete(h1);
2652	>	rs[0].assertNotInvoked();
2653	>	rs[1].assertNotInvoked();
2654	>	f.complete(v1);
2655	>	checkCompletedNormally(h0, null);
2656	>	checkCompletedNormally(h1, null);
2657	>	rs[0].assertInvoked();
2658	>	rs[1].assertInvoked();
2659	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2660	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2661	>	checkCompletedNormally(h2, null);
2662	>	checkCompletedNormally(h3, null);
2663	>	rs[2].assertInvoked();
2664	>	rs[3].assertInvoked();
2665
2666	<	f = new CompletableFuture<>();
2708	<	g = new CompletableFuture<>();
2709	<	assertTrue(f.cancel(true));
2710	<	g.complete(3);
2711	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2712	<	checkCompletedWithWrappedCancellationException(h);
2666	>	g.complete(v2);
2667
2668	<	assertEquals(0, e.count.get());
2669	<	}
2668	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2669	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2670
2671	<	/**
2672	<	* runAfterBothAsync result completes normally after normal
2673	<	* completion of sources
2674	<	*/
2675	<	public void testRunAfterBothAsyncE() {
2676	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2677	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2678	<	Noop r = new Noop();
2679	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2680	<	f.complete(one);
2727	<	checkIncomplete(g);
2728	<	f2.complete(two);
2729	<	checkCompletedNormally(g, null);
2730	<	assertTrue(r.ran);
2731	<	}
2671	>	checkCompletedNormally(f, v1);
2672	>	checkCompletedNormally(g, v2);
2673	>	checkCompletedNormally(h0, null);
2674	>	checkCompletedNormally(h1, null);
2675	>	checkCompletedNormally(h2, null);
2676	>	checkCompletedNormally(h3, null);
2677	>	checkCompletedNormally(h4, null);
2678	>	checkCompletedNormally(h5, null);
2679	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2680	>	}}
2681
2682		/**
2683	<	* runAfterBothAsync result completes exceptionally after exceptional
2684	<	* completion of source
2683	>	* runAfterEither result completes exceptionally after exceptional
2684	>	* completion of either source
2685		*/
2686	<	public void testRunAfterBothAsync2E() {
2687	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2688	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2689	<	Noop r = new Noop();
2690	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2691	<	f.completeExceptionally(new CFException());
2692	<	f2.complete(two);
2693	<	checkCompletedWithWrappedCFException(g);
2686	>	public void testRunAfterEither_exceptionalCompletion() {
2687	>	for (ExecutionMode m : ExecutionMode.values())
2688	>	for (Integer v1 : new Integer[] { 1, null })
2689	>	{
2690	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2691	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2692	>	final CFException ex = new CFException();
2693	>	final Noop[] rs = new Noop[6];
2694	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2695
2696	<	r = new Noop();
2697	<	f = new CompletableFuture<>();
2698	<	f2 = new CompletableFuture<>();
2699	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2700	<	f.complete(one);
2701	<	f2.completeExceptionally(new CFException());
2702	<	checkCompletedWithWrappedCFException(g);
2703	<	}
2696	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2697	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2698	>	checkIncomplete(h0);
2699	>	checkIncomplete(h1);
2700	>	rs[0].assertNotInvoked();
2701	>	rs[1].assertNotInvoked();
2702	>	assertTrue(f.completeExceptionally(ex));
2703	>	checkCompletedWithWrappedException(h0, ex);
2704	>	checkCompletedWithWrappedException(h1, ex);
2705	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2706	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2707	>	checkCompletedWithWrappedException(h2, ex);
2708	>	checkCompletedWithWrappedException(h3, ex);
2709	>
2710	>	assertTrue(g.complete(v1));
2711	>
2712	>	// unspecified behavior - both source completions available
2713	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2714	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2715	>	try {
2716	>	assertNull(h4.join());
2717	>	rs[4].assertInvoked();
2718	>	} catch (CompletionException ok) {
2719	>	checkCompletedWithWrappedException(h4, ex);
2720	>	rs[4].assertNotInvoked();
2721	>	}
2722	>	try {
2723	>	assertNull(h5.join());
2724	>	rs[5].assertInvoked();
2725	>	} catch (CompletionException ok) {
2726	>	checkCompletedWithWrappedException(h5, ex);
2727	>	rs[5].assertNotInvoked();
2728	>	}
2729
2730	<	/**
2731	<	* runAfterBothAsync result completes exceptionally if action does
2732	<	*/
2733	<	public void testRunAfterBothAsync3E() {
2734	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2735	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2736	<	FailingNoop r = new FailingNoop();
2737	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2738	<	f.complete(one);
2739	<	checkIncomplete(g);
2740	<	f2.complete(two);
2741	<	checkCompletedWithWrappedCFException(g);
2742	<	}
2730	>	checkCompletedExceptionally(f, ex);
2731	>	checkCompletedNormally(g, v1);
2732	>	checkCompletedWithWrappedException(h0, ex);
2733	>	checkCompletedWithWrappedException(h1, ex);
2734	>	checkCompletedWithWrappedException(h2, ex);
2735	>	checkCompletedWithWrappedException(h3, ex);
2736	>	checkCompletedWithWrappedException(h4, ex);
2737	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2738	>	}}
2739	>
2740	>	public void testRunAfterEither_exceptionalCompletion2() {
2741	>	for (ExecutionMode m : ExecutionMode.values())
2742	>	for (boolean fFirst : new boolean[] { true, false })
2743	>	for (Integer v1 : new Integer[] { 1, null })
2744	>	{
2745	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2746	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2747	>	final CFException ex = new CFException();
2748	>	final Noop[] rs = new Noop[6];
2749	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2750
2751	<	/**
2752	<	* runAfterBothAsync result completes exceptionally if either source cancelled
2753	<	*/
2754	<	public void testRunAfterBothAsync4E() {
2755	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2756	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2757	<	Noop r = new Noop();
2758	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2759	<	assertTrue(f.cancel(true));
2760	<	f2.complete(two);
2761	<	checkCompletedWithWrappedCancellationException(g);
2751	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2752	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2753	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2754	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2755	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2756	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2757	>
2758	>	// unspecified behavior - both source completions available
2759	>	try {
2760	>	assertEquals(null, h0.join());
2761	>	rs[0].assertInvoked();
2762	>	} catch (CompletionException ok) {
2763	>	checkCompletedWithWrappedException(h0, ex);
2764	>	rs[0].assertNotInvoked();
2765	>	}
2766	>	try {
2767	>	assertEquals(null, h1.join());
2768	>	rs[1].assertInvoked();
2769	>	} catch (CompletionException ok) {
2770	>	checkCompletedWithWrappedException(h1, ex);
2771	>	rs[1].assertNotInvoked();
2772	>	}
2773	>	try {
2774	>	assertEquals(null, h2.join());
2775	>	rs[2].assertInvoked();
2776	>	} catch (CompletionException ok) {
2777	>	checkCompletedWithWrappedException(h2, ex);
2778	>	rs[2].assertNotInvoked();
2779	>	}
2780	>	try {
2781	>	assertEquals(null, h3.join());
2782	>	rs[3].assertInvoked();
2783	>	} catch (CompletionException ok) {
2784	>	checkCompletedWithWrappedException(h3, ex);
2785	>	rs[3].assertNotInvoked();
2786	>	}
2787
2788	<	r = new Noop();
2789	<	f = new CompletableFuture<>();
2790	<	f2 = new CompletableFuture<>();
2784	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2785	<	f.complete(one);
2786	<	assertTrue(f2.cancel(true));
2787	<	checkCompletedWithWrappedCancellationException(g);
2788	<	}
2788	>	checkCompletedNormally(f, v1);
2789	>	checkCompletedExceptionally(g, ex);
2790	>	}}
2791
2792		/**
2793	<	* applyToEitherAsync result completes normally after normal
2792	<	* completion of sources
2793	>	* runAfterEither result completes exceptionally if either source cancelled
2794		*/
2795	<	public void testApplyToEitherAsyncE() {
2796	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2797	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2798	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2799	<	f.complete(one);
2800	<	checkCompletedNormally(g, two);
2801	<
2802	<	f = new CompletableFuture<>();
2803	<	f.complete(one);
2803	<	f2 = new CompletableFuture<>();
2804	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2805	<	checkCompletedNormally(g, two);
2806	<	}
2795	>	public void testRunAfterEither_sourceCancelled() {
2796	>	for (ExecutionMode m : ExecutionMode.values())
2797	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2798	>	for (Integer v1 : new Integer[] { 1, null })
2799	>	{
2800	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2801	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2802	>	final Noop[] rs = new Noop[6];
2803	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2804
2805	<	/**
2806	<	* applyToEitherAsync result completes exceptionally after exceptional
2807	<	* completion of source
2808	<	*/
2809	<	public void testApplyToEitherAsync2E() {
2810	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2811	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2812	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2813	<	f.completeExceptionally(new CFException());
2814	<	checkCompletedWithWrappedCFException(g);
2805	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2806	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2807	>	checkIncomplete(h0);
2808	>	checkIncomplete(h1);
2809	>	rs[0].assertNotInvoked();
2810	>	rs[1].assertNotInvoked();
2811	>	f.cancel(mayInterruptIfRunning);
2812	>	checkCompletedWithWrappedCancellationException(h0);
2813	>	checkCompletedWithWrappedCancellationException(h1);
2814	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2815	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2816	>	checkCompletedWithWrappedCancellationException(h2);
2817	>	checkCompletedWithWrappedCancellationException(h3);
2818	>
2819	>	assertTrue(g.complete(v1));
2820	>
2821	>	// unspecified behavior - both source completions available
2822	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2823	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2824	>	try {
2825	>	assertNull(h4.join());
2826	>	rs[4].assertInvoked();
2827	>	} catch (CompletionException ok) {
2828	>	checkCompletedWithWrappedCancellationException(h4);
2829	>	rs[4].assertNotInvoked();
2830	>	}
2831	>	try {
2832	>	assertNull(h5.join());
2833	>	rs[5].assertInvoked();
2834	>	} catch (CompletionException ok) {
2835	>	checkCompletedWithWrappedCancellationException(h5);
2836	>	rs[5].assertNotInvoked();
2837	>	}
2838
2839	<	f = new CompletableFuture<>();
2840	<	f2 = new CompletableFuture<>();
2841	<	f2.completeExceptionally(new CFException());
2842	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2843	<	f.complete(one);
2844	<	checkCompletedWithWrappedCFException(g);
2845	<	}
2839	>	checkCancelled(f);
2840	>	checkCompletedNormally(g, v1);
2841	>	checkCompletedWithWrappedCancellationException(h0);
2842	>	checkCompletedWithWrappedCancellationException(h1);
2843	>	checkCompletedWithWrappedCancellationException(h2);
2844	>	checkCompletedWithWrappedCancellationException(h3);
2845	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2846	>	}}
2847
2848		/**
2849	<	* applyToEitherAsync result completes exceptionally if action does
2849	>	* runAfterEither result completes exceptionally if action does
2850		*/
2851	<	public void testApplyToEitherAsync3E() {
2852	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2853	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2854	<	FailingFunction r = new FailingFunction();
2855	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2856	<	f.complete(one);
2857	<	checkCompletedWithWrappedCFException(g);
2858	<	}
2851	>	public void testRunAfterEither_actionFailed() {
2852	>	for (ExecutionMode m : ExecutionMode.values())
2853	>	for (Integer v1 : new Integer[] { 1, null })
2854	>	for (Integer v2 : new Integer[] { 2, null })
2855	>	{
2856	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2857	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2858	>	final FailingRunnable[] rs = new FailingRunnable[6];
2859	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2860
2861	<	/**
2862	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2863	<	*/
2864	<	public void testApplyToEitherAsync4E() {
2865	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2866	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2867	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2868	<	assertTrue(f.cancel(true));
2869	<	checkCompletedWithWrappedCancellationException(g);
2861	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2862	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2863	>	assertTrue(f.complete(v1));
2864	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2865	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2866	>	checkCompletedWithWrappedCFException(h0);
2867	>	checkCompletedWithWrappedCFException(h1);
2868	>	checkCompletedWithWrappedCFException(h2);
2869	>	checkCompletedWithWrappedCFException(h3);
2870	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2871	>	assertTrue(g.complete(v2));
2872	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2873	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2874	>	checkCompletedWithWrappedCFException(h4);
2875	>	checkCompletedWithWrappedCFException(h5);
2876
2877	<	f = new CompletableFuture<>();
2878	<	f2 = new CompletableFuture<>();
2879	<	assertTrue(f2.cancel(true));
2880	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2853	<	checkCompletedWithWrappedCancellationException(g);
2854	<	}
2877	>	checkCompletedNormally(f, v1);
2878	>	checkCompletedNormally(g, v2);
2879	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2880	>	}}
2881
2882		/**
2883	<	* acceptEitherAsync result completes normally after normal
2858	<	* completion of sources
2883	>	* thenCompose result completes normally after normal completion of source
2884		*/
2885	<	public void testAcceptEitherAsyncE() {
2886	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2887	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2888	<	IncAction r = new IncAction();
2889	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2890	<	f.complete(one);
2891	<	checkCompletedNormally(g, null);
2892	<	assertEquals(r.value, 2);
2885	>	public void testThenCompose_normalCompletion() {
2886	>	for (ExecutionMode m : ExecutionMode.values())
2887	>	for (boolean createIncomplete : new boolean[] { true, false })
2888	>	for (Integer v1 : new Integer[] { 1, null })
2889	>	{
2890	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2891	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2892	>	if (!createIncomplete) assertTrue(f.complete(v1));
2893	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2894	>	if (createIncomplete) assertTrue(f.complete(v1));
2895
2896	<	r = new IncAction();
2897	<	f = new CompletableFuture<>();
2898	<	f.complete(one);
2899	<	f2 = new CompletableFuture<>();
2873	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2874	<	checkCompletedNormally(g, null);
2875	<	assertEquals(r.value, 2);
2876	<	}
2896	>	checkCompletedNormally(g, inc(v1));
2897	>	checkCompletedNormally(f, v1);
2898	>	r.assertValue(v1);
2899	>	}}
2900
2901		/**
2902	<	* acceptEitherAsync result completes exceptionally after exceptional
2902	>	* thenCompose result completes exceptionally after exceptional
2903		* completion of source
2904		*/
2905	<	public void testAcceptEitherAsync2E() {
2906	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2907	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2908	<	IncAction r = new IncAction();
2909	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2910	<	f.completeExceptionally(new CFException());
2911	<	checkCompletedWithWrappedCFException(g);
2912	<
2913	<	r = new IncAction();
2914	<	f = new CompletableFuture<>();
2915	<	f2 = new CompletableFuture<>();
2916	<	f2.completeExceptionally(new CFException());
2917	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2918	<	f.complete(one);
2919	<	checkCompletedWithWrappedCFException(g);
2897	<	}
2898	<
2899	<	/**
2900	<	* acceptEitherAsync result completes exceptionally if action does
2901	<	*/
2902	<	public void testAcceptEitherAsync3E() {
2903	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2904	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2905	<	FailingConsumer r = new FailingConsumer();
2906	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2907	<	f.complete(one);
2908	<	checkCompletedWithWrappedCFException(g);
2909	<	}
2910	<
2911	<	/**
2912	<	* acceptEitherAsync result completes exceptionally if either
2913	<	* source cancelled
2914	<	*/
2915	<	public void testAcceptEitherAsync4E() {
2916	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2917	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2918	<	IncAction r = new IncAction();
2919	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2920	<	assertTrue(f.cancel(true));
2921	<	checkCompletedWithWrappedCancellationException(g);
2922	<
2923	<	r = new IncAction();
2924	<	f = new CompletableFuture<>();
2925	<	f2 = new CompletableFuture<>();
2926	<	assertTrue(f2.cancel(true));
2927	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2928	<	checkCompletedWithWrappedCancellationException(g);
2929	<	}
2930	<
2931	<	/**
2932	<	* runAfterEitherAsync result completes normally after normal
2933	<	* completion of sources
2934	<	*/
2935	<	public void testRunAfterEitherAsyncE() {
2936	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2937	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2938	<	Noop r = new Noop();
2939	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2940	<	f.complete(one);
2941	<	checkCompletedNormally(g, null);
2942	<	assertTrue(r.ran);
2943	<
2944	<	r = new Noop();
2945	<	f = new CompletableFuture<>();
2946	<	f.complete(one);
2947	<	f2 = new CompletableFuture<>();
2948	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2949	<	checkCompletedNormally(g, null);
2950	<	assertTrue(r.ran);
2951	<	}
2905	>	public void testThenCompose_exceptionalCompletion() {
2906	>	for (ExecutionMode m : ExecutionMode.values())
2907	>	for (boolean createIncomplete : new boolean[] { true, false })
2908	>	{
2909	>	final CFException ex = new CFException();
2910	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2911	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2912	>	if (!createIncomplete) f.completeExceptionally(ex);
2913	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2914	>	if (createIncomplete) f.completeExceptionally(ex);
2915	>
2916	>	checkCompletedWithWrappedException(g, ex);
2917	>	checkCompletedExceptionally(f, ex);
2918	>	r.assertNotInvoked();
2919	>	}}
2920
2921		/**
2922	<	* runAfterEitherAsync result completes exceptionally after exceptional
2955	<	* completion of source
2922	>	* thenCompose result completes exceptionally if action does
2923		*/
2924	<	public void testRunAfterEitherAsync2E() {
2925	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2926	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2927	<	Noop r = new Noop();
2928	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2929	<	f.completeExceptionally(new CFException());
2930	<	checkCompletedWithWrappedCFException(g);
2931	<
2932	<	r = new Noop();
2933	<	f = new CompletableFuture<>();
2934	<	f2 = new CompletableFuture<>();
2968	<	f2.completeExceptionally(new CFException());
2969	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2970	<	f.complete(one);
2971	<	checkCompletedWithWrappedCFException(g);
2972	<	}
2924	>	public void testThenCompose_actionFailed() {
2925	>	for (ExecutionMode m : ExecutionMode.values())
2926	>	for (boolean createIncomplete : new boolean[] { true, false })
2927	>	for (Integer v1 : new Integer[] { 1, null })
2928	>	{
2929	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2930	>	final FailingCompletableFutureFunction r
2931	>	= new FailingCompletableFutureFunction(m);
2932	>	if (!createIncomplete) assertTrue(f.complete(v1));
2933	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2934	>	if (createIncomplete) assertTrue(f.complete(v1));
2935
2974	–	/**
2975	–	* runAfterEitherAsync result completes exceptionally if action does
2976	–	*/
2977	–	public void testRunAfterEitherAsync3E() {
2978	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2979	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2980	–	FailingNoop r = new FailingNoop();
2981	–	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2982	–	f.complete(one);
2936		checkCompletedWithWrappedCFException(g);
2937	<	}
2937	>	checkCompletedNormally(f, v1);
2938	>	}}
2939
2940		/**
2941	<	* runAfterEitherAsync result completes exceptionally if either
2988	<	* source cancelled
2941	>	* thenCompose result completes exceptionally if source cancelled
2942		*/
2943	<	public void testRunAfterEitherAsync4E() {
2944	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2945	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2946	<	Noop r = new Noop();
2947	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2948	<	assertTrue(f.cancel(true));
2949	<	checkCompletedWithWrappedCancellationException(g);
2943	>	public void testThenCompose_sourceCancelled() {
2944	>	for (ExecutionMode m : ExecutionMode.values())
2945	>	for (boolean createIncomplete : new boolean[] { true, false })
2946	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2947	>	{
2948	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2949	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2950	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2951	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2952	>	if (createIncomplete) {
2953	>	checkIncomplete(g);
2954	>	assertTrue(f.cancel(mayInterruptIfRunning));
2955	>	}
2956
2998	–	r = new Noop();
2999	–	f = new CompletableFuture<>();
3000	–	f2 = new CompletableFuture<>();
3001	–	assertTrue(f2.cancel(true));
3002	–	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2957		checkCompletedWithWrappedCancellationException(g);
2958	<	}
2959	<
3006	<	/**
3007	<	* thenComposeAsync result completes normally after normal
3008	<	* completion of source
3009	<	*/
3010	<	public void testThenComposeAsyncE() {
3011	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3012	<	CompletableFutureInc r = new CompletableFutureInc();
3013	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3014	<	f.complete(one);
3015	<	checkCompletedNormally(g, two);
3016	<	}
3017	<
3018	<	/**
3019	<	* thenComposeAsync result completes exceptionally after
3020	<	* exceptional completion of source
3021	<	*/
3022	<	public void testThenComposeAsync2E() {
3023	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3024	<	CompletableFutureInc r = new CompletableFutureInc();
3025	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3026	<	f.completeExceptionally(new CFException());
3027	<	checkCompletedWithWrappedCFException(g);
3028	<	}
2958	>	checkCancelled(f);
2959	>	}}
2960
2961		/**
2962	<	* thenComposeAsync result completes exceptionally if action does
2962	>	* thenCompose result completes exceptionally if the result of the action does
2963		*/
2964	<	public void testThenComposeAsync3E() {
2965	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2966	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2967	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2968	<	f.complete(one);
2969	<	checkCompletedWithWrappedCFException(g);
2970	<	}
2964	>	public void testThenCompose_actionReturnsFailingFuture() {
2965	>	for (ExecutionMode m : ExecutionMode.values())
2966	>	for (int order = 0; order < 6; order++)
2967	>	for (Integer v1 : new Integer[] { 1, null })
2968	>	{
2969	>	final CFException ex = new CFException();
2970	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2971	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2972	>	final CompletableFuture<Integer> h;
2973	>	// Test all permutations of orders
2974	>	switch (order) {
2975	>	case 0:
2976	>	assertTrue(f.complete(v1));
2977	>	assertTrue(g.completeExceptionally(ex));
2978	>	h = m.thenCompose(f, (x -> g));
2979	>	break;
2980	>	case 1:
2981	>	assertTrue(f.complete(v1));
2982	>	h = m.thenCompose(f, (x -> g));
2983	>	assertTrue(g.completeExceptionally(ex));
2984	>	break;
2985	>	case 2:
2986	>	assertTrue(g.completeExceptionally(ex));
2987	>	assertTrue(f.complete(v1));
2988	>	h = m.thenCompose(f, (x -> g));
2989	>	break;
2990	>	case 3:
2991	>	assertTrue(g.completeExceptionally(ex));
2992	>	h = m.thenCompose(f, (x -> g));
2993	>	assertTrue(f.complete(v1));
2994	>	break;
2995	>	case 4:
2996	>	h = m.thenCompose(f, (x -> g));
2997	>	assertTrue(f.complete(v1));
2998	>	assertTrue(g.completeExceptionally(ex));
2999	>	break;
3000	>	case 5:
3001	>	h = m.thenCompose(f, (x -> g));
3002	>	assertTrue(f.complete(v1));
3003	>	assertTrue(g.completeExceptionally(ex));
3004	>	break;
3005	>	default: throw new AssertionError();
3006	>	}
3007
3008	<	/**
3009	<	* thenComposeAsync result completes exceptionally if source cancelled
3010	<	*/
3011	<	public void testThenComposeAsync4E() {
3045	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3046	<	CompletableFutureInc r = new CompletableFutureInc();
3047	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3048	<	assertTrue(f.cancel(true));
3049	<	checkCompletedWithWrappedCancellationException(g);
3050	<	}
3008	>	checkCompletedExceptionally(g, ex);
3009	>	checkCompletedWithWrappedException(h, ex);
3010	>	checkCompletedNormally(f, v1);
3011	>	}}
3012
3013		// other static methods
3014
#	Line 3065 | Line 3026 | public class CompletableFutureTest exten
3026		* when all components complete normally
3027		*/
3028		public void testAllOf_normal() throws Exception {
3029	<	for (int k = 1; k < 20; ++k) {
3030	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3031	<	for (int i = 0; i < k; ++i)
3029	>	for (int k = 1; k < 10; k++) {
3030	>	CompletableFuture<Integer>[] fs
3031	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3032	>	for (int i = 0; i < k; i++)
3033		fs[i] = new CompletableFuture<>();
3034		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3035	<	for (int i = 0; i < k; ++i) {
3035	>	for (int i = 0; i < k; i++) {
3036		checkIncomplete(f);
3037		checkIncomplete(CompletableFuture.allOf(fs));
3038		fs[i].complete(one);
#	Line 3080 | Line 3042 | public class CompletableFutureTest exten
3042		}
3043		}
3044
3045	+	public void testAllOf_backwards() throws Exception {
3046	+	for (int k = 1; k < 10; k++) {
3047	+	CompletableFuture<Integer>[] fs
3048	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3049	+	for (int i = 0; i < k; i++)
3050	+	fs[i] = new CompletableFuture<>();
3051	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3052	+	for (int i = k - 1; i >= 0; i--) {
3053	+	checkIncomplete(f);
3054	+	checkIncomplete(CompletableFuture.allOf(fs));
3055	+	fs[i].complete(one);
3056	+	}
3057	+	checkCompletedNormally(f, null);
3058	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3059	+	}
3060	+	}
3061	+
3062	+	public void testAllOf_exceptional() throws Exception {
3063	+	for (int k = 1; k < 10; k++) {
3064	+	CompletableFuture<Integer>[] fs
3065	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3066	+	CFException ex = new CFException();
3067	+	for (int i = 0; i < k; i++)
3068	+	fs[i] = new CompletableFuture<>();
3069	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3070	+	for (int i = 0; i < k; i++) {
3071	+	checkIncomplete(f);
3072	+	checkIncomplete(CompletableFuture.allOf(fs));
3073	+	if (i != k / 2) {
3074	+	fs[i].complete(i);
3075	+	checkCompletedNormally(fs[i], i);
3076	+	} else {
3077	+	fs[i].completeExceptionally(ex);
3078	+	checkCompletedExceptionally(fs[i], ex);
3079	+	}
3080	+	}
3081	+	checkCompletedWithWrappedException(f, ex);
3082	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3083	+	}
3084	+	}
3085	+
3086		/**
3087		* anyOf(no component futures) returns an incomplete future
3088		*/
3089		public void testAnyOf_empty() throws Exception {
3090	+	for (Integer v1 : new Integer[] { 1, null })
3091	+	{
3092		CompletableFuture<Object> f = CompletableFuture.anyOf();
3093		checkIncomplete(f);
3094	<	}
3094	>
3095	>	f.complete(v1);
3096	>	checkCompletedNormally(f, v1);
3097	>	}}
3098
3099		/**
3100		* anyOf returns a future completed normally with a value when
3101		* a component future does
3102		*/
3103		public void testAnyOf_normal() throws Exception {
3104	<	for (int k = 0; k < 10; ++k) {
3104	>	for (int k = 0; k < 10; k++) {
3105		CompletableFuture[] fs = new CompletableFuture[k];
3106	<	for (int i = 0; i < k; ++i)
3106	>	for (int i = 0; i < k; i++)
3107		fs[i] = new CompletableFuture<>();
3108		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3109		checkIncomplete(f);
3110	<	for (int i = 0; i < k; ++i) {
3111	<	fs[i].complete(one);
3112	<	checkCompletedNormally(f, one);
3113	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3110	>	for (int i = 0; i < k; i++) {
3111	>	fs[i].complete(i);
3112	>	checkCompletedNormally(f, 0);
3113	>	int x = (int) CompletableFuture.anyOf(fs).join();
3114	>	assertTrue(0 <= x && x <= i);
3115	>	}
3116	>	}
3117	>	}
3118	>	public void testAnyOf_normal_backwards() throws Exception {
3119	>	for (int k = 0; k < 10; k++) {
3120	>	CompletableFuture[] fs = new CompletableFuture[k];
3121	>	for (int i = 0; i < k; i++)
3122	>	fs[i] = new CompletableFuture<>();
3123	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3124	>	checkIncomplete(f);
3125	>	for (int i = k - 1; i >= 0; i--) {
3126	>	fs[i].complete(i);
3127	>	checkCompletedNormally(f, k - 1);
3128	>	int x = (int) CompletableFuture.anyOf(fs).join();
3129	>	assertTrue(i <= x && x <= k - 1);
3130		}
3131		}
3132		}
#	Line 3111 | Line 3135 | public class CompletableFutureTest exten
3135		* anyOf result completes exceptionally when any component does.
3136		*/
3137		public void testAnyOf_exceptional() throws Exception {
3138	<	for (int k = 0; k < 10; ++k) {
3138	>	for (int k = 0; k < 10; k++) {
3139	>	CompletableFuture[] fs = new CompletableFuture[k];
3140	>	CFException[] exs = new CFException[k];
3141	>	for (int i = 0; i < k; i++) {
3142	>	fs[i] = new CompletableFuture<>();
3143	>	exs[i] = new CFException();
3144	>	}
3145	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3146	>	checkIncomplete(f);
3147	>	for (int i = 0; i < k; i++) {
3148	>	fs[i].completeExceptionally(exs[i]);
3149	>	checkCompletedWithWrappedException(f, exs[0]);
3150	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3151	>	}
3152	>	}
3153	>	}
3154	>
3155	>	public void testAnyOf_exceptional_backwards() throws Exception {
3156	>	for (int k = 0; k < 10; k++) {
3157		CompletableFuture[] fs = new CompletableFuture[k];
3158	<	for (int i = 0; i < k; ++i)
3158	>	CFException[] exs = new CFException[k];
3159	>	for (int i = 0; i < k; i++) {
3160		fs[i] = new CompletableFuture<>();
3161	+	exs[i] = new CFException();
3162	+	}
3163		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3164		checkIncomplete(f);
3165	<	for (int i = 0; i < k; ++i) {
3166	<	fs[i].completeExceptionally(new CFException());
3167	<	checkCompletedWithWrappedCFException(f);
3165	>	for (int i = k - 1; i >= 0; i--) {
3166	>	fs[i].completeExceptionally(exs[i]);
3167	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3168		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3169		}
3170		}
#	Line 3132 | Line 3177 | public class CompletableFutureTest exten
3177		CompletableFuture<Integer> f = new CompletableFuture<>();
3178		CompletableFuture<Integer> g = new CompletableFuture<>();
3179		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3135	–	CompletableFuture<?> h;
3180		ThreadExecutor exec = new ThreadExecutor();
3181
3182		Runnable[] throwingActions = {
3183		() -> CompletableFuture.supplyAsync(null),
3184		() -> CompletableFuture.supplyAsync(null, exec),
3185	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3185	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3186
3187		() -> CompletableFuture.runAsync(null),
3188		() -> CompletableFuture.runAsync(null, exec),
#	Line 3211 | Line 3255 | public class CompletableFutureTest exten
3255
3256		() -> f.thenCompose(null),
3257		() -> f.thenComposeAsync(null),
3258	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3258	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3259		() -> f.thenComposeAsync(null, exec),
3260
3261		() -> f.exceptionally(null),
#	Line 3229 | Line 3273 | public class CompletableFutureTest exten
3273		() -> CompletableFuture.anyOf(null, f),
3274
3275		() -> f.obtrudeException(null),
3276	+
3277	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3278	+	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3279	+	() -> CompletableFuture.delayedExecutor(1L, null),
3280	+
3281	+	() -> f.orTimeout(1L, null),
3282	+	() -> f.completeOnTimeout(42, 1L, null),
3283	+
3284	+	() -> CompletableFuture.failedFuture(null),
3285	+	() -> CompletableFuture.failedStage(null),
3286		};
3287
3288		assertThrows(NullPointerException.class, throwingActions);
#	Line 3243 | Line 3297 | public class CompletableFutureTest exten
3297		assertSame(f, f.toCompletableFuture());
3298		}
3299
3300	+	// jdk9
3301	+
3302		/**
3303	<	* whenComplete action executes on normal completion, propagating
3248	<	* source result.
3303	>	* newIncompleteFuture returns an incomplete CompletableFuture
3304		*/
3305	<	public void testWhenComplete1() {
3306	<	final AtomicInteger a = new AtomicInteger();
3305	>	public void testNewIncompleteFuture() {
3306	>	for (Integer v1 : new Integer[] { 1, null })
3307	>	{
3308		CompletableFuture<Integer> f = new CompletableFuture<>();
3309	<	CompletableFuture<Integer> g =
3310	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3311	<	f.complete(three);
3312	<	checkCompletedNormally(f, three);
3313	<	checkCompletedNormally(g, three);
3314	<	assertEquals(a.get(), 1);
3309	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3310	>	checkIncomplete(f);
3311	>	checkIncomplete(g);
3312	>	f.complete(v1);
3313	>	checkCompletedNormally(f, v1);
3314	>	checkIncomplete(g);
3315	>	g.complete(v1);
3316	>	checkCompletedNormally(g, v1);
3317	>	assertSame(g.getClass(), CompletableFuture.class);
3318	>	}}
3319	>
3320	>	/**
3321	>	* completedStage returns a completed CompletionStage
3322	>	*/
3323	>	public void testCompletedStage() {
3324	>	AtomicInteger x = new AtomicInteger(0);
3325	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3326	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3327	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3328	>	assertEquals(x.get(), 1);
3329	>	assertNull(r.get());
3330		}
3331
3332		/**
3333	<	* whenComplete action executes on exceptional completion, propagating
3334	<	* source result.
3333	>	* defaultExecutor by default returns the commonPool if
3334	>	* it supports more than one thread.
3335		*/
3336	<	public void testWhenComplete2() {
3266	<	final AtomicInteger a = new AtomicInteger();
3336	>	public void testDefaultExecutor() {
3337		CompletableFuture<Integer> f = new CompletableFuture<>();
3338	<	CompletableFuture<Integer> g =
3339	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3340	<	f.completeExceptionally(new CFException());
3341	<	assertTrue(f.isCompletedExceptionally());
3342	<	assertTrue(g.isCompletedExceptionally());
3343	<	assertEquals(a.get(), 1);
3338	>	Executor e = f.defaultExecutor();
3339	>	Executor c = ForkJoinPool.commonPool();
3340	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3341	>	assertSame(e, c);
3342	>	else
3343	>	assertNotSame(e, c);
3344		}
3345
3346		/**
3347	<	* If a whenComplete action throws an exception when triggered by
3348	<	* a normal completion, it completes exceptionally
3347	>	* failedFuture returns a CompletableFuture completed
3348	>	* exceptionally with the given Exception
3349		*/
3350	<	public void testWhenComplete3() {
3351	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3352	<	CompletableFuture<Integer> g =
3353	<	f.whenComplete((Integer x, Throwable t) ->
3284	<	{ throw new CFException(); } );
3285	<	f.complete(three);
3286	<	checkCompletedNormally(f, three);
3287	<	assertTrue(g.isCompletedExceptionally());
3288	<	checkCompletedWithWrappedCFException(g);
3350	>	public void testFailedFuture() {
3351	>	CFException ex = new CFException();
3352	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3353	>	checkCompletedExceptionally(f, ex);
3354		}
3355
3356		/**
3357	<	* whenCompleteAsync action executes on normal completion, propagating
3293	<	* source result.
3357	>	* failedFuture(null) throws NPE
3358		*/
3359	<	public void testWhenCompleteAsync1() {
3360	<	final AtomicInteger a = new AtomicInteger();
3361	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3362	<	CompletableFuture<Integer> g =
3363	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3300	<	f.complete(three);
3301	<	checkCompletedNormally(f, three);
3302	<	checkCompletedNormally(g, three);
3303	<	assertEquals(a.get(), 1);
3359	>	public void testFailedFuture_null() {
3360	>	try {
3361	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3362	>	shouldThrow();
3363	>	} catch (NullPointerException success) {}
3364		}
3365
3366		/**
3367	<	* whenCompleteAsync action executes on exceptional completion, propagating
3368	<	* source result.
3367	>	* copy returns a CompletableFuture that is completed normally,
3368	>	* with the same value, when source is.
3369		*/
3370	<	public void testWhenCompleteAsync2() {
3311	<	final AtomicInteger a = new AtomicInteger();
3370	>	public void testCopy() {
3371		CompletableFuture<Integer> f = new CompletableFuture<>();
3372	<	CompletableFuture<Integer> g =
3373	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3374	<	f.completeExceptionally(new CFException());
3375	<	checkCompletedWithWrappedCFException(f);
3376	<	checkCompletedWithWrappedCFException(g);
3372	>	CompletableFuture<Integer> g = f.copy();
3373	>	checkIncomplete(f);
3374	>	checkIncomplete(g);
3375	>	f.complete(1);
3376	>	checkCompletedNormally(f, 1);
3377	>	checkCompletedNormally(g, 1);
3378		}
3379
3380		/**
3381	<	* If a whenCompleteAsync action throws an exception when
3382	<	* triggered by a normal completion, it completes exceptionally
3381	>	* copy returns a CompletableFuture that is completed exceptionally
3382	>	* when source is.
3383		*/
3384	<	public void testWhenCompleteAsync3() {
3384	>	public void testCopy2() {
3385		CompletableFuture<Integer> f = new CompletableFuture<>();
3386	<	CompletableFuture<Integer> g =
3387	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3388	<	{ throw new CFException(); } );
3389	<	f.complete(three);
3390	<	checkCompletedNormally(f, three);
3391	<	checkCompletedWithWrappedCFException(g);
3386	>	CompletableFuture<Integer> g = f.copy();
3387	>	checkIncomplete(f);
3388	>	checkIncomplete(g);
3389	>	CFException ex = new CFException();
3390	>	f.completeExceptionally(ex);
3391	>	checkCompletedExceptionally(f, ex);
3392	>	checkCompletedWithWrappedException(g, ex);
3393		}
3394
3395		/**
3396	<	* whenCompleteAsync action executes on normal completion, propagating
3397	<	* source result.
3396	>	* minimalCompletionStage returns a CompletableFuture that is
3397	>	* completed normally, with the same value, when source is.
3398		*/
3399	<	public void testWhenCompleteAsync1e() {
3339	<	final AtomicInteger a = new AtomicInteger();
3340	<	ThreadExecutor exec = new ThreadExecutor();
3399	>	public void testMinimalCompletionStage() {
3400		CompletableFuture<Integer> f = new CompletableFuture<>();
3401	<	CompletableFuture<Integer> g =
3402	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3403	<	exec);
3404	<	f.complete(three);
3405	<	checkCompletedNormally(f, three);
3406	<	checkCompletedNormally(g, three);
3407	<	assertEquals(a.get(), 1);
3401	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3402	>	AtomicInteger x = new AtomicInteger(0);
3403	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3404	>	checkIncomplete(f);
3405	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3406	>	f.complete(1);
3407	>	checkCompletedNormally(f, 1);
3408	>	assertEquals(x.get(), 1);
3409	>	assertNull(r.get());
3410		}
3411
3412		/**
3413	<	* whenCompleteAsync action executes on exceptional completion, propagating
3414	<	* source result.
3413	>	* minimalCompletionStage returns a CompletableFuture that is
3414	>	* completed exceptionally when source is.
3415		*/
3416	<	public void testWhenCompleteAsync2e() {
3356	<	final AtomicInteger a = new AtomicInteger();
3357	<	ThreadExecutor exec = new ThreadExecutor();
3416	>	public void testMinimalCompletionStage2() {
3417		CompletableFuture<Integer> f = new CompletableFuture<>();
3418	<	CompletableFuture<Integer> g =
3419	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3420	<	exec);
3421	<	f.completeExceptionally(new CFException());
3422	<	checkCompletedWithWrappedCFException(f);
3423	<	checkCompletedWithWrappedCFException(g);
3418	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3419	>	AtomicInteger x = new AtomicInteger(0);
3420	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3421	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3422	>	checkIncomplete(f);
3423	>	CFException ex = new CFException();
3424	>	f.completeExceptionally(ex);
3425	>	checkCompletedExceptionally(f, ex);
3426	>	assertEquals(x.get(), 0);
3427	>	assertEquals(r.get().getCause(), ex);
3428		}
3429
3430		/**
3431	<	* If a whenCompleteAsync action throws an exception when triggered
3432	<	* by a normal completion, it completes exceptionally
3431	>	* failedStage returns a CompletionStage completed
3432	>	* exceptionally with the given Exception
3433		*/
3434	<	public void testWhenCompleteAsync3e() {
3435	<	ThreadExecutor exec = new ThreadExecutor();
3434	>	public void testFailedStage() {
3435	>	CFException ex = new CFException();
3436	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3437	>	AtomicInteger x = new AtomicInteger(0);
3438	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3439	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3440	>	assertEquals(x.get(), 0);
3441	>	assertEquals(r.get(), ex);
3442	>	}
3443	>
3444	>	/**
3445	>	* completeAsync completes with value of given supplier
3446	>	*/
3447	>	public void testCompleteAsync() {
3448	>	for (Integer v1 : new Integer[] { 1, null })
3449	>	{
3450		CompletableFuture<Integer> f = new CompletableFuture<>();
3451	<	CompletableFuture<Integer> g =
3452	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3453	<	{ throw new CFException(); },
3454	<	exec);
3455	<	f.complete(three);
3456	<	checkCompletedNormally(f, three);
3457	<	checkCompletedWithWrappedCFException(g);
3451	>	f.completeAsync(() -> v1);
3452	>	f.join();
3453	>	checkCompletedNormally(f, v1);
3454	>	}}
3455	>
3456	>	/**
3457	>	* completeAsync completes exceptionally if given supplier throws
3458	>	*/
3459	>	public void testCompleteAsync2() {
3460	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3461	>	CFException ex = new CFException();
3462	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3463	>	try {
3464	>	f.join();
3465	>	shouldThrow();
3466	>	} catch (CompletionException success) {}
3467	>	checkCompletedWithWrappedException(f, ex);
3468		}
3469
3470		/**
3471	<	* handleAsync action completes normally with function value on
3385	<	* either normal or exceptional completion of source
3471	>	* completeAsync with given executor completes with value of given supplier
3472		*/
3473	<	public void testHandleAsync() {
3474	<	CompletableFuture<Integer> f, g;
3475	<	IntegerHandler r;
3473	>	public void testCompleteAsync3() {
3474	>	for (Integer v1 : new Integer[] { 1, null })
3475	>	{
3476	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3477	>	ThreadExecutor executor = new ThreadExecutor();
3478	>	f.completeAsync(() -> v1, executor);
3479	>	assertSame(v1, f.join());
3480	>	checkCompletedNormally(f, v1);
3481	>	assertEquals(1, executor.count.get());
3482	>	}}
3483
3484	<	f = new CompletableFuture<>();
3485	<	g = f.handleAsync(r = new IntegerHandler());
3486	<	assertFalse(r.ran);
3487	<	f.completeExceptionally(new CFException());
3488	<	checkCompletedWithWrappedCFException(f);
3489	<	checkCompletedNormally(g, three);
3490	<	assertTrue(r.ran);
3484	>	/**
3485	>	* completeAsync with given executor completes exceptionally if
3486	>	* given supplier throws
3487	>	*/
3488	>	public void testCompleteAsync4() {
3489	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3490	>	CFException ex = new CFException();
3491	>	ThreadExecutor executor = new ThreadExecutor();
3492	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3493	>	try {
3494	>	f.join();
3495	>	shouldThrow();
3496	>	} catch (CompletionException success) {}
3497	>	checkCompletedWithWrappedException(f, ex);
3498	>	assertEquals(1, executor.count.get());
3499	>	}
3500
3501	<	f = new CompletableFuture<>();
3502	<	g = f.handleAsync(r = new IntegerHandler());
3503	<	assertFalse(r.ran);
3504	<	f.completeExceptionally(new CFException());
3505	<	checkCompletedWithWrappedCFException(f);
3506	<	checkCompletedNormally(g, three);
3507	<	assertTrue(r.ran);
3501	>	/**
3502	>	* orTimeout completes with TimeoutException if not complete
3503	>	*/
3504	>	public void testOrTimeout_timesOut() {
3505	>	long timeoutMillis = timeoutMillis();
3506	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3507	>	long startTime = System.nanoTime();
3508	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3509	>	checkCompletedWithTimeoutException(f);
3510	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3511	>	}
3512
3513	<	f = new CompletableFuture<>();
3514	<	g = f.handleAsync(r = new IntegerHandler());
3515	<	assertFalse(r.ran);
3516	<	f.complete(one);
3517	<	checkCompletedNormally(f, one);
3518	<	checkCompletedNormally(g, two);
3519	<	assertTrue(r.ran);
3513	>	/**
3514	>	* orTimeout completes normally if completed before timeout
3515	>	*/
3516	>	public void testOrTimeout_completed() {
3517	>	for (Integer v1 : new Integer[] { 1, null })
3518	>	{
3519	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3520	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3521	>	long startTime = System.nanoTime();
3522	>	f.complete(v1);
3523	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3524	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3525	>	g.complete(v1);
3526	>	checkCompletedNormally(f, v1);
3527	>	checkCompletedNormally(g, v1);
3528	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3529	>	}}
3530
3531	<	f = new CompletableFuture<>();
3532	<	g = f.handleAsync(r = new IntegerHandler());
3533	<	assertFalse(r.ran);
3534	<	f.complete(one);
3535	<	checkCompletedNormally(f, one);
3536	<	checkCompletedNormally(g, two);
3537	<	assertTrue(r.ran);
3531	>	/**
3532	>	* completeOnTimeout completes with given value if not complete
3533	>	*/
3534	>	public void testCompleteOnTimeout_timesOut() {
3535	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3536	>	() -> testCompleteOnTimeout_timesOut(null));
3537	>	}
3538	>
3539	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3540	>	long timeoutMillis = timeoutMillis();
3541	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3542	>	long startTime = System.nanoTime();
3543	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3544	>	assertSame(v, f.join());
3545	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3546	>	f.complete(99);         // should have no effect
3547	>	checkCompletedNormally(f, v);
3548		}
3549
3550		/**
3551	<	* handleAsync action with Executor completes normally with
3426	<	* function value on either normal or exceptional completion of
3427	<	* source
3551	>	* completeOnTimeout has no effect if completed within timeout
3552		*/
3553	<	public void testHandleAsync2() {
3554	<	CompletableFuture<Integer> f, g;
3555	<	ThreadExecutor exec = new ThreadExecutor();
3556	<	IntegerHandler r;
3553	>	public void testCompleteOnTimeout_completed() {
3554	>	for (Integer v1 : new Integer[] { 1, null })
3555	>	{
3556	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3557	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3558	>	long startTime = System.nanoTime();
3559	>	f.complete(v1);
3560	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3561	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3562	>	g.complete(v1);
3563	>	checkCompletedNormally(f, v1);
3564	>	checkCompletedNormally(g, v1);
3565	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3566	>	}}
3567
3568	<	f = new CompletableFuture<>();
3569	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3570	<	assertFalse(r.ran);
3571	<	f.completeExceptionally(new CFException());
3572	<	checkCompletedWithWrappedCFException(f);
3573	<	checkCompletedNormally(g, three);
3574	<	assertTrue(r.ran);
3568	>	/**
3569	>	* delayedExecutor returns an executor that delays submission
3570	>	*/
3571	>	public void testDelayedExecutor() {
3572	>	testInParallel(() -> testDelayedExecutor(null, null),
3573	>	() -> testDelayedExecutor(null, 1),
3574	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3575	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3576	>	}
3577	>
3578	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3579	>	long timeoutMillis = timeoutMillis();
3580	>	// Use an "unreasonably long" long timeout to catch lingering threads
3581	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3582	>	final Executor delayer, longDelayer;
3583	>	if (executor == null) {
3584	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3585	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3586	>	} else {
3587	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3588	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3589	>	}
3590	>	long startTime = System.nanoTime();
3591	>	CompletableFuture<Integer> f =
3592	>	CompletableFuture.supplyAsync(() -> v, delayer);
3593	>	CompletableFuture<Integer> g =
3594	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3595
3596	<	f = new CompletableFuture<>();
3443	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3444	<	assertFalse(r.ran);
3445	<	f.completeExceptionally(new CFException());
3446	<	checkCompletedWithWrappedCFException(f);
3447	<	checkCompletedNormally(g, three);
3448	<	assertTrue(r.ran);
3596	>	assertNull(g.getNow(null));
3597
3598	<	f = new CompletableFuture<>();
3599	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3600	<	assertFalse(r.ran);
3601	<	f.complete(one);
3454	<	checkCompletedNormally(f, one);
3455	<	checkCompletedNormally(g, two);
3456	<	assertTrue(r.ran);
3598	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3599	>	long millisElapsed = millisElapsedSince(startTime);
3600	>	assertTrue(millisElapsed >= timeoutMillis);
3601	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3602
3603	<	f = new CompletableFuture<>();
3604	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3605	<	assertFalse(r.ran);
3606	<	f.complete(one);
3607	<	checkCompletedNormally(f, one);
3608	<	checkCompletedNormally(g, two);
3609	<	assertTrue(r.ran);
3603	>	checkCompletedNormally(f, v);
3604	>
3605	>	checkIncomplete(g);
3606	>	assertTrue(g.cancel(true));
3607	>	}
3608	>
3609	>	//--- tests of implementation details; not part of official tck ---
3610	>
3611	>	Object resultOf(CompletableFuture<?> f) {
3612	>	try {
3613	>	java.lang.reflect.Field resultField
3614	>	= CompletableFuture.class.getDeclaredField("result");
3615	>	resultField.setAccessible(true);
3616	>	return resultField.get(f);
3617	>	} catch (Throwable t) { throw new AssertionError(t); }
3618	>	}
3619	>
3620	>	public void testExceptionPropagationReusesResultObject() {
3621	>	if (!testImplementationDetails) return;
3622	>	for (ExecutionMode m : ExecutionMode.values())
3623	>	{
3624	>	final CFException ex = new CFException();
3625	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3626	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3627	>
3628	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3629	>	= new ArrayList<>();
3630	>
3631	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3632	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3633	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3634	>
3635	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3636	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3637	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3638	>
3639	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3640	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3641	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3642	>
3643	>	funs.add((y) -> m.whenComplete(y, (Integer x, Throwable t) -> {}));
3644	>
3645	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3646	>
3647	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3648	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3649	>
3650	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3651	>	fun : funs) {
3652	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3653	>	f.completeExceptionally(ex);
3654	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3655	>	checkCompletedWithWrappedException(src, ex);
3656	>	CompletableFuture<?> dep = fun.apply(src);
3657	>	checkCompletedWithWrappedException(dep, ex);
3658	>	assertSame(resultOf(src), resultOf(dep));
3659	>	}
3660	>
3661	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3662	>	fun : funs) {
3663	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3664	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3665	>	CompletableFuture<?> dep = fun.apply(src);
3666	>	f.completeExceptionally(ex);
3667	>	checkCompletedWithWrappedException(src, ex);
3668	>	checkCompletedWithWrappedException(dep, ex);
3669	>	assertSame(resultOf(src), resultOf(dep));
3670	>	}
3671	>
3672	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3673	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3674	>	fun : funs) {
3675	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3676	>	f.cancel(mayInterruptIfRunning);
3677	>	checkCancelled(f);
3678	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3679	>	checkCompletedWithWrappedCancellationException(src);
3680	>	CompletableFuture<?> dep = fun.apply(src);
3681	>	checkCompletedWithWrappedCancellationException(dep);
3682	>	assertSame(resultOf(src), resultOf(dep));
3683	>	}
3684	>
3685	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3686	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3687	>	fun : funs) {
3688	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3689	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3690	>	CompletableFuture<?> dep = fun.apply(src);
3691	>	f.cancel(mayInterruptIfRunning);
3692	>	checkCancelled(f);
3693	>	checkCompletedWithWrappedCancellationException(src);
3694	>	checkCompletedWithWrappedCancellationException(dep);
3695	>	assertSame(resultOf(src), resultOf(dep));
3696	>	}
3697	>	}}
3698	>
3699	>	/**
3700	>	* Minimal completion stages throw UOE for all non-CompletionStage methods
3701	>	*/
3702	>	public void testMinimalCompletionStage_minimality() {
3703	>	if (!testImplementationDetails) return;
3704	>	Function<Method, String> toSignature =
3705	>	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3706	>	List<Method> minimalMethods =
3707	>	Stream.of(Object.class, CompletionStage.class)
3708	>	.map((klazz) -> Stream.of(klazz.getMethods()))
3709	>	.reduce(Stream::concat)
3710	>	.orElseGet(Stream::empty)
3711	>	.filter((method) -> (method.getModifiers() & Modifier.STATIC) == 0)
3712	>	.collect(Collectors.toList());
3713	>	// Methods from CompletableFuture permitted NOT to throw UOE
3714	>	String[] signatureWhitelist = {
3715	>	"newIncompleteFuture[]",
3716	>	"defaultExecutor[]",
3717	>	"minimalCompletionStage[]",
3718	>	"copy[]",
3719	>	};
3720	>	Set<String> permittedMethodSignatures =
3721	>	Stream.concat(minimalMethods.stream().map(toSignature),
3722	>	Stream.of(signatureWhitelist))
3723	>	.collect(Collectors.toSet());
3724	>	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3725	>	.filter((method) -> (method.getModifiers() & Modifier.STATIC) == 0)
3726	>	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3727	>	.collect(Collectors.toList());
3728	>
3729	>	CompletionStage<Integer> minimalStage =
3730	>	new CompletableFuture<Integer>().minimalCompletionStage();
3731	>
3732	>	List<Method> bugs = new ArrayList<>();
3733	>	for (Method method : allMethods) {
3734	>	Class<?>[] parameterTypes = method.getParameterTypes();
3735	>	Object[] args = new Object[parameterTypes.length];
3736	>	// Manufacture boxed primitives for primitive params
3737	>	for (int i = 0; i < args.length; i++) {
3738	>	Class<?> type = parameterTypes[i];
3739	>	if (parameterTypes[i] == boolean.class)
3740	>	args[i] = false;
3741	>	else if (parameterTypes[i] == int.class)
3742	>	args[i] = 0;
3743	>	else if (parameterTypes[i] == long.class)
3744	>	args[i] = 0L;
3745	>	}
3746	>	try {
3747	>	method.invoke(minimalStage, args);
3748	>	bugs.add(method);
3749	>	}
3750	>	catch (java.lang.reflect.InvocationTargetException expected) {
3751	>	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3752	>	bugs.add(method);
3753	>	// expected.getCause().printStackTrace();
3754	>	}
3755	>	}
3756	>	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3757	>	}
3758	>	if (!bugs.isEmpty())
3759	>	throw new Error("Methods did not throw UOE: " + bugs.toString());
3760		}
3761
3762	+	//     static <U> U join(CompletionStage<U> stage) {
3763	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3764	+	//         stage.whenComplete((v, ex) -> {
3765	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3766	+	//         });
3767	+	//         return f.join();
3768	+	//     }
3769	+
3770	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3771	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3772	+	//         stage.whenComplete((v, ex) -> {
3773	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3774	+	//         });
3775	+	//         return f.isDone();
3776	+	//     }
3777	+
3778	+	//     static <U> U join2(CompletionStage<U> stage) {
3779	+	//         return stage.toCompletableFuture().copy().join();
3780	+	//     }
3781	+
3782	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3783	+	//         return stage.toCompletableFuture().copy().isDone();
3784	+	//     }
3785	+
3786		}

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