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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 1.111 by jsr166, Fri Sep 4 13:43:25 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.util.ArrayList;
12	>	import java.util.List;
13	>	import java.util.Objects;
14		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
15		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
16		import java.util.concurrent.CompletableFuture;
17		import java.util.concurrent.CompletionException;
18	+	import java.util.concurrent.CompletionStage;
19	+	import java.util.concurrent.ExecutionException;
20	+	import java.util.concurrent.Executor;
21	+	import java.util.concurrent.ForkJoinPool;
22	+	import java.util.concurrent.ForkJoinTask;
23		import java.util.concurrent.TimeoutException;
24	+	import java.util.concurrent.TimeUnit;
25		import java.util.concurrent.atomic.AtomicInteger;
26	<	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;
26	>	import java.util.concurrent.atomic.AtomicReference;
27		import java.util.function.BiConsumer;
27	–	import java.util.function.Function;
28		import java.util.function.BiFunction;
29	+	import java.util.function.Consumer;
30	+	import java.util.function.Function;
31	+	import java.util.function.Supplier;
32	+
33	+	import junit.framework.Test;
34	+	import junit.framework.TestSuite;
35
36		public class CompletableFutureTest extends JSR166TestCase {
37
38		public static void main(String[] args) {
39	<	junit.textui.TestRunner.run(suite());
39	>	main(suite(), args);
40		}
41		public static Test suite() {
42		return new TestSuite(CompletableFutureTest.class);
#	Line 41 | Line 47 | public class CompletableFutureTest exten
47		void checkIncomplete(CompletableFuture<?> f) {
48		assertFalse(f.isDone());
49		assertFalse(f.isCancelled());
50	<	assertTrue(f.toString().contains("[Not completed]"));
50	>	assertTrue(f.toString().contains("Not completed"));
51		try {
52		assertNull(f.getNow(null));
53		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 54 | Line 60 | public class CompletableFutureTest exten
60		}
61
62		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
63	<	try {
64	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
59	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
63	>	checkTimedGet(f, value);
64	>
65		try {
66		assertEquals(value, f.join());
67		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 73 | Line 78 | public class CompletableFutureTest exten
78		}
79
80		void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
81	+	long startTime = System.nanoTime();
82	+	long timeoutMillis = LONG_DELAY_MS;
83		try {
84	<	f.get(LONG_DELAY_MS, MILLISECONDS);
84	>	f.get(timeoutMillis, MILLISECONDS);
85		shouldThrow();
86		} catch (ExecutionException success) {
87		assertTrue(success.getCause() instanceof CFException);
88		} catch (Throwable fail) { threadUnexpectedException(fail); }
89	+	assertTrue(millisElapsedSince(startTime) < timeoutMillis/2);
90	+
91		try {
92		f.join();
93		shouldThrow();
#	Line 102 | Line 111 | public class CompletableFutureTest exten
111		assertTrue(f.toString().contains("[Completed exceptionally]"));
112		}
113
114	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
115	<	CFException ex) {
114	>	<U> void checkCompletedExceptionallyWithRootCause(CompletableFuture<U> f,
115	>	Throwable ex) {
116	>	long startTime = System.nanoTime();
117	>	long timeoutMillis = LONG_DELAY_MS;
118		try {
119	<	f.get(LONG_DELAY_MS, MILLISECONDS);
119	>	f.get(timeoutMillis, MILLISECONDS);
120		shouldThrow();
121		} catch (ExecutionException success) {
122		assertSame(ex, success.getCause());
123		} catch (Throwable fail) { threadUnexpectedException(fail); }
124	+	assertTrue(millisElapsedSince(startTime) < timeoutMillis/2);
125	+
126		try {
127		f.join();
128		shouldThrow();
#	Line 128 | Line 141 | public class CompletableFutureTest exten
141		} catch (ExecutionException success) {
142		assertSame(ex, success.getCause());
143		} catch (Throwable fail) { threadUnexpectedException(fail); }
144	+
145		assertTrue(f.isDone());
146		assertFalse(f.isCancelled());
147		assertTrue(f.toString().contains("[Completed exceptionally]"));
148		}
149
150	+	<U> void checkCompletedExceptionallyWithTimeout(CompletableFuture<U> f) {
151	+	long startTime = System.nanoTime();
152	+	long timeoutMillis = LONG_DELAY_MS;
153	+	try {
154	+	f.get(timeoutMillis, MILLISECONDS);
155	+	shouldThrow();
156	+	} catch (ExecutionException ex) {
157	+	assertTrue(ex.getCause() instanceof TimeoutException);
158	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
159	+	assertTrue(millisElapsedSince(startTime) < timeoutMillis/2);
160	+
161	+	try {
162	+	f.join();
163	+	shouldThrow();
164	+	} catch (Throwable ex) {
165	+	assertTrue(ex.getCause() instanceof TimeoutException);
166	+	}
167	+
168	+	try {
169	+	f.getNow(null);
170	+	shouldThrow();
171	+	} catch (Throwable ex) {
172	+	assertTrue(ex.getCause() instanceof TimeoutException);
173	+	}
174	+
175	+	try {
176	+	f.get();
177	+	shouldThrow();
178	+	} catch (ExecutionException ex) {
179	+	assertTrue(ex.getCause() instanceof TimeoutException);
180	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
181	+
182	+	assertTrue(f.isDone());
183	+	assertFalse(f.isCancelled());
184	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
185	+	}
186	+
187	+	<U> void checkCompletedWithWrappedException(CompletableFuture<U> f,
188	+	Throwable ex) {
189	+	checkCompletedExceptionallyWithRootCause(f, ex);
190	+	try {
191	+	CompletableFuture<Throwable> spy = f.handle
192	+	((U u, Throwable t) -> t);
193	+	assertTrue(spy.join() instanceof CompletionException);
194	+	assertSame(ex, spy.join().getCause());
195	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
196	+	}
197	+
198	+	<U> void checkCompletedExceptionally(CompletableFuture<U> f, Throwable ex) {
199	+	checkCompletedExceptionallyWithRootCause(f, ex);
200	+	try {
201	+	CompletableFuture<Throwable> spy = f.handle
202	+	((U u, Throwable t) -> t);
203	+	assertSame(ex, spy.join());
204	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
205	+	}
206	+
207		void checkCancelled(CompletableFuture<?> f) {
208	+	long startTime = System.nanoTime();
209	+	long timeoutMillis = LONG_DELAY_MS;
210		try {
211	<	f.get(LONG_DELAY_MS, MILLISECONDS);
211	>	f.get(timeoutMillis, MILLISECONDS);
212		shouldThrow();
213		} catch (CancellationException success) {
214		} catch (Throwable fail) { threadUnexpectedException(fail); }
215	+	assertTrue(millisElapsedSince(startTime) < timeoutMillis/2);
216	+
217		try {
218		f.join();
219		shouldThrow();
#	Line 159 | Line 234 | public class CompletableFutureTest exten
234		}
235
236		void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
237	+	long startTime = System.nanoTime();
238	+	long timeoutMillis = LONG_DELAY_MS;
239		try {
240	<	f.get(LONG_DELAY_MS, MILLISECONDS);
240	>	f.get(timeoutMillis, MILLISECONDS);
241		shouldThrow();
242		} catch (ExecutionException success) {
243		assertTrue(success.getCause() instanceof CancellationException);
244		} catch (Throwable fail) { threadUnexpectedException(fail); }
245	+	assertTrue(millisElapsedSince(startTime) < timeoutMillis/2);
246	+
247		try {
248		f.join();
249		shouldThrow();
#	Line 203 | Line 282 | public class CompletableFutureTest exten
282		* isCancelled, join, get, and getNow
283		*/
284		public void testComplete() {
285	+	for (Integer v1 : new Integer[] { 1, null })
286	+	{
287		CompletableFuture<Integer> f = new CompletableFuture<>();
288		checkIncomplete(f);
289	<	f.complete(one);
290	<	checkCompletedNormally(f, one);
291	<	}
289	>	assertTrue(f.complete(v1));
290	>	assertFalse(f.complete(v1));
291	>	checkCompletedNormally(f, v1);
292	>	}}
293
294		/**
295		* completeExceptionally completes exceptionally, as indicated by
#	Line 215 | Line 297 | public class CompletableFutureTest exten
297		*/
298		public void testCompleteExceptionally() {
299		CompletableFuture<Integer> f = new CompletableFuture<>();
300	+	CFException ex = new CFException();
301		checkIncomplete(f);
302	<	f.completeExceptionally(new CFException());
303	<	checkCompletedWithWrappedCFException(f);
302	>	f.completeExceptionally(ex);
303	>	checkCompletedExceptionally(f, ex);
304		}
305
306		/**
#	Line 225 | Line 308 | public class CompletableFutureTest exten
308		* methods isDone, isCancelled, join, get, and getNow
309		*/
310		public void testCancel() {
311	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
312	+	{
313		CompletableFuture<Integer> f = new CompletableFuture<>();
314		checkIncomplete(f);
315	<	assertTrue(f.cancel(true));
315	>	assertTrue(f.cancel(mayInterruptIfRunning));
316	>	assertTrue(f.cancel(mayInterruptIfRunning));
317	>	assertTrue(f.cancel(!mayInterruptIfRunning));
318		checkCancelled(f);
319	<	}
319	>	}}
320
321		/**
322		* obtrudeValue forces completion with given value
#	Line 237 | Line 324 | public class CompletableFutureTest exten
324		public void testObtrudeValue() {
325		CompletableFuture<Integer> f = new CompletableFuture<>();
326		checkIncomplete(f);
327	<	f.complete(one);
327	>	assertTrue(f.complete(one));
328		checkCompletedNormally(f, one);
329		f.obtrudeValue(three);
330		checkCompletedNormally(f, three);
#	Line 246 | Line 333 | public class CompletableFutureTest exten
333		f = new CompletableFuture<>();
334		f.obtrudeValue(three);
335		checkCompletedNormally(f, three);
336	+	f.obtrudeValue(null);
337	+	checkCompletedNormally(f, null);
338		f = new CompletableFuture<>();
339		f.completeExceptionally(new CFException());
340		f.obtrudeValue(four);
#	Line 256 | Line 345 | public class CompletableFutureTest exten
345		* obtrudeException forces completion with given exception
346		*/
347		public void testObtrudeException() {
348	<	CompletableFuture<Integer> f = new CompletableFuture<>();
349	<	checkIncomplete(f);
350	<	f.complete(one);
351	<	checkCompletedNormally(f, one);
352	<	f.obtrudeException(new CFException());
264	<	checkCompletedWithWrappedCFException(f);
348	>	for (Integer v1 : new Integer[] { 1, null })
349	>	{
350	>	CFException ex;
351	>	CompletableFuture<Integer> f;
352	>
353		f = new CompletableFuture<>();
354	<	f.obtrudeException(new CFException());
355	<	checkCompletedWithWrappedCFException(f);
354	>	assertTrue(f.complete(v1));
355	>	for (int i = 0; i < 2; i++) {
356	>	f.obtrudeException(ex = new CFException());
357	>	checkCompletedExceptionally(f, ex);
358	>	}
359	>
360		f = new CompletableFuture<>();
361	+	for (int i = 0; i < 2; i++) {
362	+	f.obtrudeException(ex = new CFException());
363	+	checkCompletedExceptionally(f, ex);
364	+	}
365	+
366	+	f = new CompletableFuture<>();
367	+	f.completeExceptionally(ex = new CFException());
368	+	f.obtrudeValue(v1);
369	+	checkCompletedNormally(f, v1);
370	+	f.obtrudeException(ex = new CFException());
371	+	checkCompletedExceptionally(f, ex);
372		f.completeExceptionally(new CFException());
373	<	f.obtrudeValue(four);
374	<	checkCompletedNormally(f, four);
375	<	f.obtrudeException(new CFException());
376	<	checkCompletedWithWrappedCFException(f);
274	<	}
373	>	checkCompletedExceptionally(f, ex);
374	>	assertFalse(f.complete(v1));
375	>	checkCompletedExceptionally(f, ex);
376	>	}}
377
378		/**
379		* getNumberOfDependents returns number of dependent tasks
380		*/
381		public void testGetNumberOfDependents() {
382	+	for (ExecutionMode m : ExecutionMode.values())
383	+	for (Integer v1 : new Integer[] { 1, null })
384	+	{
385		CompletableFuture<Integer> f = new CompletableFuture<>();
386	<	assertEquals(f.getNumberOfDependents(), 0);
387	<	CompletableFuture g = f.thenRun(new Noop());
388	<	assertEquals(f.getNumberOfDependents(), 1);
389	<	assertEquals(g.getNumberOfDependents(), 0);
390	<	CompletableFuture h = f.thenRun(new Noop());
391	<	assertEquals(f.getNumberOfDependents(), 2);
392	<	f.complete(1);
386	>	assertEquals(0, f.getNumberOfDependents());
387	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
388	>	assertEquals(1, f.getNumberOfDependents());
389	>	assertEquals(0, g.getNumberOfDependents());
390	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
391	>	assertEquals(2, f.getNumberOfDependents());
392	>	assertEquals(0, h.getNumberOfDependents());
393	>	assertTrue(f.complete(v1));
394		checkCompletedNormally(g, null);
395	<	assertEquals(f.getNumberOfDependents(), 0);
396	<	assertEquals(g.getNumberOfDependents(), 0);
397	<	}
395	>	checkCompletedNormally(h, null);
396	>	assertEquals(0, f.getNumberOfDependents());
397	>	assertEquals(0, g.getNumberOfDependents());
398	>	assertEquals(0, h.getNumberOfDependents());
399	>	}}
400
401		/**
402		* toString indicates current completion state
#	Line 299 | Line 407 | public class CompletableFutureTest exten
407		f = new CompletableFuture<String>();
408		assertTrue(f.toString().contains("[Not completed]"));
409
410	<	f.complete("foo");
410	>	assertTrue(f.complete("foo"));
411		assertTrue(f.toString().contains("[Completed normally]"));
412
413		f = new CompletableFuture<String>();
414	<	f.completeExceptionally(new IndexOutOfBoundsException());
414	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
415		assertTrue(f.toString().contains("[Completed exceptionally]"));
416	+
417	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
418	+	f = new CompletableFuture<String>();
419	+	assertTrue(f.cancel(mayInterruptIfRunning));
420	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
421	+	}
422		}
423
424		/**
#	Line 315 | Line 429 | public class CompletableFutureTest exten
429		checkCompletedNormally(f, "test");
430		}
431
432	<	// Choose non-commutative actions for better coverage
433	<
434	<	static final Supplier<Integer> supplyOne =
435	<	() -> Integer.valueOf(1);
436	<	static final Function<Integer, Integer> inc =
437	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
438	<	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();
432	>	abstract class CheckedAction {
433	>	int invocationCount = 0;
434	>	final ExecutionMode m;
435	>	CheckedAction(ExecutionMode m) { this.m = m; }
436	>	void invoked() {
437	>	m.checkExecutionMode();
438	>	assertEquals(0, invocationCount++);
439		}
440	<	}
441	<	static final class Noop implements Runnable {
337	<	boolean ran;
338	<	public void run() { ran = true; }
440	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
441	>	void assertInvoked() { assertEquals(1, invocationCount); }
442		}
443
444	<	static final class FailingSupplier implements Supplier<Integer> {
445	<	boolean ran;
446	<	public Integer get() { ran = true; throw new CFException(); }
447	<	}
448	<	static final class FailingConsumer implements Consumer<Integer> {
449	<	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;
444	>	abstract class CheckedIntegerAction extends CheckedAction {
445	>	Integer value;
446	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
447	>	void assertValue(Integer expected) {
448	>	assertInvoked();
449	>	assertEquals(expected, value);
450		}
451		}
452
453	<	static final class FailingCompletableFutureFunction
454	<	implements Function<Integer, CompletableFuture<Integer>> {
455	<	boolean ran;
456	<	public CompletableFuture<Integer> apply(Integer x) {
457	<	ran = true; throw new CFException();
453	>	class IntegerSupplier extends CheckedAction
454	>	implements Supplier<Integer>
455	>	{
456	>	final Integer value;
457	>	IntegerSupplier(ExecutionMode m, Integer value) {
458	>	super(m);
459	>	this.value = value;
460		}
461	<	}
462	<
463	<	// 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();
461	>	public Integer get() {
462	>	invoked();
463	>	return value;
464		}
465		}
466
467	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
468	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
467	>	// A function that handles and produces null values as well.
468	>	static Integer inc(Integer x) {
469	>	return (x == null) ? null : x + 1;
470		}
471
472	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
473	<	boolean ran;
474	<	public Integer apply(Integer x, Throwable t) {
475	<	ran = true;
476	<	return (t == null) ? two : three;
472	>	class NoopConsumer extends CheckedIntegerAction
473	>	implements Consumer<Integer>
474	>	{
475	>	NoopConsumer(ExecutionMode m) { super(m); }
476	>	public void accept(Integer x) {
477	>	invoked();
478	>	value = x;
479		}
480		}
481
482	<	/**
483	<	* exceptionally action completes with function value on source
484	<	* exception; otherwise with source value
485	<	*/
486	<	public void testExceptionally() {
487	<	CompletableFuture<Integer> f = new CompletableFuture<>();
488	<	ExceptionToInteger r = new ExceptionToInteger();
489	<	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);
482	>	class IncFunction extends CheckedIntegerAction
483	>	implements Function<Integer,Integer>
484	>	{
485	>	IncFunction(ExecutionMode m) { super(m); }
486	>	public Integer apply(Integer x) {
487	>	invoked();
488	>	return value = inc(x);
489	>	}
490		}
491
492	<	/**
493	<	* supplyAsync with executor completes with result of supplier
494	<	*/
495	<	public void testSupplyAsync2() {
496	<	CompletableFuture<Integer> f;
497	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
510	<	assertEquals(f.join(), one);
511	<	checkCompletedNormally(f, one);
492	>	// Choose non-commutative actions for better coverage
493	>	// A non-commutative function that handles and produces null values as well.
494	>	static Integer subtract(Integer x, Integer y) {
495	>	return (x == null && y == null) ? null :
496	>	((x == null) ? 42 : x.intValue())
497	>	- ((y == null) ? 99 : y.intValue());
498		}
499
500	<	/**
501	<	* Failing supplyAsync completes exceptionally
502	<	*/
503	<	public void testSupplyAsync3() {
504	<	FailingSupplier r = new FailingSupplier();
505	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
506	<	checkCompletedWithWrappedCFException(f);
507	<	assertTrue(r.ran);
500	>	class SubtractAction extends CheckedIntegerAction
501	>	implements BiConsumer<Integer, Integer>
502	>	{
503	>	SubtractAction(ExecutionMode m) { super(m); }
504	>	public void accept(Integer x, Integer y) {
505	>	invoked();
506	>	value = subtract(x, y);
507	>	}
508		}
509
510	<	// seq completion methods
511	<
512	<	/**
513	<	* thenRun result completes normally after normal completion of source
514	<	*/
515	<	public void testThenRun() {
516	<	CompletableFuture<Integer> f;
517	<	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);
510	>	class SubtractFunction extends CheckedIntegerAction
511	>	implements BiFunction<Integer, Integer, Integer>
512	>	{
513	>	SubtractFunction(ExecutionMode m) { super(m); }
514	>	public Integer apply(Integer x, Integer y) {
515	>	invoked();
516	>	return value = subtract(x, y);
517	>	}
518		}
519
520	<	/**
521	<	* thenRun result completes exceptionally after exceptional
522	<	* completion of source
523	<	*/
524	<	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);
520	>	class Noop extends CheckedAction implements Runnable {
521	>	Noop(ExecutionMode m) { super(m); }
522	>	public void run() {
523	>	invoked();
524	>	}
525		}
526
527	<	/**
528	<	* thenRun result completes exceptionally if action does
529	<	*/
530	<	public void testThenRun3() {
531	<	CompletableFuture<Integer> f;
532	<	CompletableFuture<Void> g;
533	<	FailingNoop r;
534	<
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);
527	>	class FailingSupplier extends CheckedAction
528	>	implements Supplier<Integer>
529	>	{
530	>	FailingSupplier(ExecutionMode m) { super(m); }
531	>	public Integer get() {
532	>	invoked();
533	>	throw new CFException();
534	>	}
535		}
536
537	<	/**
538	<	* thenRun result completes exceptionally if source cancelled
539	<	*/
540	<	public void testThenRun4() {
541	<	CompletableFuture<Integer> f;
542	<	CompletableFuture<Void> g;
543	<	Noop r;
544	<
545	<	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);
537	>	class FailingConsumer extends CheckedIntegerAction
538	>	implements Consumer<Integer>
539	>	{
540	>	FailingConsumer(ExecutionMode m) { super(m); }
541	>	public void accept(Integer x) {
542	>	invoked();
543	>	value = x;
544	>	throw new CFException();
545	>	}
546		}
547
548	<	/**
549	<	* thenApply result completes normally after normal completion of source
550	<	*/
551	<	public void testThenApply() {
552	<	CompletableFuture<Integer> f = new CompletableFuture<>();
553	<	CompletableFuture<Integer> g = f.thenApply(inc);
554	<	f.complete(one);
555	<	checkCompletedNormally(g, two);
548	>	class FailingBiConsumer extends CheckedIntegerAction
549	>	implements BiConsumer<Integer, Integer>
550	>	{
551	>	FailingBiConsumer(ExecutionMode m) { super(m); }
552	>	public void accept(Integer x, Integer y) {
553	>	invoked();
554	>	value = subtract(x, y);
555	>	throw new CFException();
556	>	}
557		}
558
559	<	/**
560	<	* thenApply result completes exceptionally after exceptional
561	<	* completion of source
562	<	*/
563	<	public void testThenApply2() {
564	<	CompletableFuture<Integer> f = new CompletableFuture<>();
565	<	CompletableFuture<Integer> g = f.thenApply(inc);
566	<	f.completeExceptionally(new CFException());
567	<	checkCompletedWithWrappedCFException(g);
559	>	class FailingFunction extends CheckedIntegerAction
560	>	implements Function<Integer, Integer>
561	>	{
562	>	FailingFunction(ExecutionMode m) { super(m); }
563	>	public Integer apply(Integer x) {
564	>	invoked();
565	>	value = x;
566	>	throw new CFException();
567	>	}
568		}
569
570	<	/**
571	<	* thenApply result completes exceptionally if action does
572	<	*/
573	<	public void testThenApply3() {
574	<	CompletableFuture<Integer> f = new CompletableFuture<>();
575	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
576	<	f.complete(one);
577	<	checkCompletedWithWrappedCFException(g);
570	>	class FailingBiFunction extends CheckedIntegerAction
571	>	implements BiFunction<Integer, Integer, Integer>
572	>	{
573	>	FailingBiFunction(ExecutionMode m) { super(m); }
574	>	public Integer apply(Integer x, Integer y) {
575	>	invoked();
576	>	value = subtract(x, y);
577	>	throw new CFException();
578	>	}
579		}
580
581	<	/**
582	<	* thenApply result completes exceptionally if source cancelled
583	<	*/
584	<	public void testThenApply4() {
585	<	CompletableFuture<Integer> f = new CompletableFuture<>();
586	<	CompletableFuture<Integer> g = f.thenApply(inc);
644	<	assertTrue(f.cancel(true));
645	<	checkCompletedWithWrappedCancellationException(g);
581	>	class FailingRunnable extends CheckedAction implements Runnable {
582	>	FailingRunnable(ExecutionMode m) { super(m); }
583	>	public void run() {
584	>	invoked();
585	>	throw new CFException();
586	>	}
587		}
588
589	<	/**
590	<	* thenAccept result completes normally after normal completion of source
591	<	*/
592	<	public void testThenAccept() {
593	<	CompletableFuture<Integer> f = new CompletableFuture<>();
594	<	IncAction r = new IncAction();
595	<	CompletableFuture<Void> g = f.thenAccept(r);
596	<	f.complete(one);
597	<	checkCompletedNormally(g, null);
598	<	assertEquals(r.value, 2);
589	>	class CompletableFutureInc extends CheckedIntegerAction
590	>	implements Function<Integer, CompletableFuture<Integer>>
591	>	{
592	>	CompletableFutureInc(ExecutionMode m) { super(m); }
593	>	public CompletableFuture<Integer> apply(Integer x) {
594	>	invoked();
595	>	value = x;
596	>	CompletableFuture<Integer> f = new CompletableFuture<>();
597	>	assertTrue(f.complete(inc(x)));
598	>	return f;
599	>	}
600		}
601
602	<	/**
603	<	* thenAccept result completes exceptionally after exceptional
604	<	* completion of source
605	<	*/
606	<	public void testThenAccept2() {
607	<	CompletableFuture<Integer> f = new CompletableFuture<>();
608	<	IncAction r = new IncAction();
609	<	CompletableFuture<Void> g = f.thenAccept(r);
610	<	f.completeExceptionally(new CFException());
669	<	checkCompletedWithWrappedCFException(g);
602	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
603	>	implements Function<Integer, CompletableFuture<Integer>>
604	>	{
605	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
606	>	public CompletableFuture<Integer> apply(Integer x) {
607	>	invoked();
608	>	value = x;
609	>	throw new CFException();
610	>	}
611		}
612
613	<	/**
614	<	* thenAccept result completes exceptionally if action does
615	<	*/
616	<	public void testThenAccept3() {
617	<	CompletableFuture<Integer> f = new CompletableFuture<>();
618	<	FailingConsumer r = new FailingConsumer();
619	<	CompletableFuture<Void> g = f.thenAccept(r);
679	<	f.complete(one);
680	<	checkCompletedWithWrappedCFException(g);
681	<	assertTrue(r.ran);
682	<	}
613	>	// Used for explicit executor tests
614	>	static final class ThreadExecutor implements Executor {
615	>	final AtomicInteger count = new AtomicInteger(0);
616	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
617	>	static boolean startedCurrentThread() {
618	>	return Thread.currentThread().getThreadGroup() == tg;
619	>	}
620
621	<	/**
622	<	* thenAccept result completes exceptionally if source cancelled
623	<	*/
624	<	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);
621	>	public void execute(Runnable r) {
622	>	count.getAndIncrement();
623	>	new Thread(tg, r).start();
624	>	}
625		}
626
627	<	/**
628	<	* 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	<	}
627	>	static final boolean defaultExecutorIsCommonPool
628	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
629
630		/**
631	<	* thenCombine result completes exceptionally after exceptional
632	<	* completion of either source
631	>	* Permits the testing of parallel code for the 3 different
632	>	* execution modes without copy/pasting all the test methods.
633		*/
634	<	public void testThenCombine2() {
635	<	CompletableFuture<Integer> f, g, h;
636	<
637	<	f = new CompletableFuture<>();
638	<	g = new CompletableFuture<>();
639	<	h = f.thenCombine(g, subtract);
640	<	f.completeExceptionally(new CFException());
641	<	checkIncomplete(h);
642	<	g.complete(1);
643	<	checkCompletedWithWrappedCFException(h);
644	<
645	<	f = new CompletableFuture<>();
646	<	g = new CompletableFuture<>();
647	<	h = f.thenCombine(g, subtract);
648	<	g.completeExceptionally(new CFException());
649	<	checkIncomplete(h);
650	<	f.complete(3);
651	<	checkCompletedWithWrappedCFException(h);
634	>	enum ExecutionMode {
635	>	SYNC {
636	>	public void checkExecutionMode() {
637	>	assertFalse(ThreadExecutor.startedCurrentThread());
638	>	assertNull(ForkJoinTask.getPool());
639	>	}
640	>	public CompletableFuture<Void> runAsync(Runnable a) {
641	>	throw new UnsupportedOperationException();
642	>	}
643	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
644	>	throw new UnsupportedOperationException();
645	>	}
646	>	public <T> CompletableFuture<Void> thenRun
647	>	(CompletableFuture<T> f, Runnable a) {
648	>	return f.thenRun(a);
649	>	}
650	>	public <T> CompletableFuture<Void> thenAccept
651	>	(CompletableFuture<T> f, Consumer<? super T> a) {
652	>	return f.thenAccept(a);
653	>	}
654	>	public <T,U> CompletableFuture<U> thenApply
655	>	(CompletableFuture<T> f, Function<? super T,U> a) {
656	>	return f.thenApply(a);
657	>	}
658	>	public <T,U> CompletableFuture<U> thenCompose
659	>	(CompletableFuture<T> f,
660	>	Function<? super T,? extends CompletionStage<U>> a) {
661	>	return f.thenCompose(a);
662	>	}
663	>	public <T,U> CompletableFuture<U> handle
664	>	(CompletableFuture<T> f,
665	>	BiFunction<? super T,Throwable,? extends U> a) {
666	>	return f.handle(a);
667	>	}
668	>	public <T> CompletableFuture<T> whenComplete
669	>	(CompletableFuture<T> f,
670	>	BiConsumer<? super T,? super Throwable> a) {
671	>	return f.whenComplete(a);
672	>	}
673	>	public <T,U> CompletableFuture<Void> runAfterBoth
674	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
675	>	return f.runAfterBoth(g, a);
676	>	}
677	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
678	>	(CompletableFuture<T> f,
679	>	CompletionStage<? extends U> g,
680	>	BiConsumer<? super T,? super U> a) {
681	>	return f.thenAcceptBoth(g, a);
682	>	}
683	>	public <T,U,V> CompletableFuture<V> thenCombine
684	>	(CompletableFuture<T> f,
685	>	CompletionStage<? extends U> g,
686	>	BiFunction<? super T,? super U,? extends V> a) {
687	>	return f.thenCombine(g, a);
688	>	}
689	>	public <T> CompletableFuture<Void> runAfterEither
690	>	(CompletableFuture<T> f,
691	>	CompletionStage<?> g,
692	>	java.lang.Runnable a) {
693	>	return f.runAfterEither(g, a);
694	>	}
695	>	public <T> CompletableFuture<Void> acceptEither
696	>	(CompletableFuture<T> f,
697	>	CompletionStage<? extends T> g,
698	>	Consumer<? super T> a) {
699	>	return f.acceptEither(g, a);
700	>	}
701	>	public <T,U> CompletableFuture<U> applyToEither
702	>	(CompletableFuture<T> f,
703	>	CompletionStage<? extends T> g,
704	>	Function<? super T,U> a) {
705	>	return f.applyToEither(g, a);
706	>	}
707	>	},
708
709	<	f = new CompletableFuture<>();
710	<	g = new CompletableFuture<>();
711	<	f.complete(3);
712	<	g.completeExceptionally(new CFException());
713	<	h = f.thenCombine(g, subtract);
714	<	checkCompletedWithWrappedCFException(h);
709	>	ASYNC {
710	>	public void checkExecutionMode() {
711	>	assertEquals(defaultExecutorIsCommonPool,
712	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
713	>	}
714	>	public CompletableFuture<Void> runAsync(Runnable a) {
715	>	return CompletableFuture.runAsync(a);
716	>	}
717	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
718	>	return CompletableFuture.supplyAsync(a);
719	>	}
720	>	public <T> CompletableFuture<Void> thenRun
721	>	(CompletableFuture<T> f, Runnable a) {
722	>	return f.thenRunAsync(a);
723	>	}
724	>	public <T> CompletableFuture<Void> thenAccept
725	>	(CompletableFuture<T> f, Consumer<? super T> a) {
726	>	return f.thenAcceptAsync(a);
727	>	}
728	>	public <T,U> CompletableFuture<U> thenApply
729	>	(CompletableFuture<T> f, Function<? super T,U> a) {
730	>	return f.thenApplyAsync(a);
731	>	}
732	>	public <T,U> CompletableFuture<U> thenCompose
733	>	(CompletableFuture<T> f,
734	>	Function<? super T,? extends CompletionStage<U>> a) {
735	>	return f.thenComposeAsync(a);
736	>	}
737	>	public <T,U> CompletableFuture<U> handle
738	>	(CompletableFuture<T> f,
739	>	BiFunction<? super T,Throwable,? extends U> a) {
740	>	return f.handleAsync(a);
741	>	}
742	>	public <T> CompletableFuture<T> whenComplete
743	>	(CompletableFuture<T> f,
744	>	BiConsumer<? super T,? super Throwable> a) {
745	>	return f.whenCompleteAsync(a);
746	>	}
747	>	public <T,U> CompletableFuture<Void> runAfterBoth
748	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
749	>	return f.runAfterBothAsync(g, a);
750	>	}
751	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
752	>	(CompletableFuture<T> f,
753	>	CompletionStage<? extends U> g,
754	>	BiConsumer<? super T,? super U> a) {
755	>	return f.thenAcceptBothAsync(g, a);
756	>	}
757	>	public <T,U,V> CompletableFuture<V> thenCombine
758	>	(CompletableFuture<T> f,
759	>	CompletionStage<? extends U> g,
760	>	BiFunction<? super T,? super U,? extends V> a) {
761	>	return f.thenCombineAsync(g, a);
762	>	}
763	>	public <T> CompletableFuture<Void> runAfterEither
764	>	(CompletableFuture<T> f,
765	>	CompletionStage<?> g,
766	>	java.lang.Runnable a) {
767	>	return f.runAfterEitherAsync(g, a);
768	>	}
769	>	public <T> CompletableFuture<Void> acceptEither
770	>	(CompletableFuture<T> f,
771	>	CompletionStage<? extends T> g,
772	>	Consumer<? super T> a) {
773	>	return f.acceptEitherAsync(g, a);
774	>	}
775	>	public <T,U> CompletableFuture<U> applyToEither
776	>	(CompletableFuture<T> f,
777	>	CompletionStage<? extends T> g,
778	>	Function<? super T,U> a) {
779	>	return f.applyToEitherAsync(g, a);
780	>	}
781	>	},
782
783	<	f = new CompletableFuture<>();
784	<	g = new CompletableFuture<>();
785	<	f.completeExceptionally(new CFException());
786	<	g.complete(3);
787	<	h = f.thenCombine(g, subtract);
788	<	checkCompletedWithWrappedCFException(h);
789	<	}
783	>	EXECUTOR {
784	>	public void checkExecutionMode() {
785	>	assertTrue(ThreadExecutor.startedCurrentThread());
786	>	}
787	>	public CompletableFuture<Void> runAsync(Runnable a) {
788	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
789	>	}
790	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
791	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
792	>	}
793	>	public <T> CompletableFuture<Void> thenRun
794	>	(CompletableFuture<T> f, Runnable a) {
795	>	return f.thenRunAsync(a, new ThreadExecutor());
796	>	}
797	>	public <T> CompletableFuture<Void> thenAccept
798	>	(CompletableFuture<T> f, Consumer<? super T> a) {
799	>	return f.thenAcceptAsync(a, new ThreadExecutor());
800	>	}
801	>	public <T,U> CompletableFuture<U> thenApply
802	>	(CompletableFuture<T> f, Function<? super T,U> a) {
803	>	return f.thenApplyAsync(a, new ThreadExecutor());
804	>	}
805	>	public <T,U> CompletableFuture<U> thenCompose
806	>	(CompletableFuture<T> f,
807	>	Function<? super T,? extends CompletionStage<U>> a) {
808	>	return f.thenComposeAsync(a, new ThreadExecutor());
809	>	}
810	>	public <T,U> CompletableFuture<U> handle
811	>	(CompletableFuture<T> f,
812	>	BiFunction<? super T,Throwable,? extends U> a) {
813	>	return f.handleAsync(a, new ThreadExecutor());
814	>	}
815	>	public <T> CompletableFuture<T> whenComplete
816	>	(CompletableFuture<T> f,
817	>	BiConsumer<? super T,? super Throwable> a) {
818	>	return f.whenCompleteAsync(a, new ThreadExecutor());
819	>	}
820	>	public <T,U> CompletableFuture<Void> runAfterBoth
821	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
822	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
823	>	}
824	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
825	>	(CompletableFuture<T> f,
826	>	CompletionStage<? extends U> g,
827	>	BiConsumer<? super T,? super U> a) {
828	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
829	>	}
830	>	public <T,U,V> CompletableFuture<V> thenCombine
831	>	(CompletableFuture<T> f,
832	>	CompletionStage<? extends U> g,
833	>	BiFunction<? super T,? super U,? extends V> a) {
834	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
835	>	}
836	>	public <T> CompletableFuture<Void> runAfterEither
837	>	(CompletableFuture<T> f,
838	>	CompletionStage<?> g,
839	>	java.lang.Runnable a) {
840	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
841	>	}
842	>	public <T> CompletableFuture<Void> acceptEither
843	>	(CompletableFuture<T> f,
844	>	CompletionStage<? extends T> g,
845	>	Consumer<? super T> a) {
846	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
847	>	}
848	>	public <T,U> CompletableFuture<U> applyToEither
849	>	(CompletableFuture<T> f,
850	>	CompletionStage<? extends T> g,
851	>	Function<? super T,U> a) {
852	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
853	>	}
854	>	};
855
856	<	/**
857	<	* thenCombine result completes exceptionally if action does
858	<	*/
859	<	public void testThenCombine3() {
860	<	CompletableFuture<Integer> f = new CompletableFuture<>();
861	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
862	<	FailingBiFunction r = new FailingBiFunction();
863	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
864	<	f.complete(one);
865	<	checkIncomplete(g);
866	<	assertFalse(r.ran);
867	<	f2.complete(two);
868	<	checkCompletedWithWrappedCFException(g);
869	<	assertTrue(r.ran);
856	>	public abstract void checkExecutionMode();
857	>	public abstract CompletableFuture<Void> runAsync(Runnable a);
858	>	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
859	>	public abstract <T> CompletableFuture<Void> thenRun
860	>	(CompletableFuture<T> f, Runnable a);
861	>	public abstract <T> CompletableFuture<Void> thenAccept
862	>	(CompletableFuture<T> f, Consumer<? super T> a);
863	>	public abstract <T,U> CompletableFuture<U> thenApply
864	>	(CompletableFuture<T> f, Function<? super T,U> a);
865	>	public abstract <T,U> CompletableFuture<U> thenCompose
866	>	(CompletableFuture<T> f,
867	>	Function<? super T,? extends CompletionStage<U>> a);
868	>	public abstract <T,U> CompletableFuture<U> handle
869	>	(CompletableFuture<T> f,
870	>	BiFunction<? super T,Throwable,? extends U> a);
871	>	public abstract <T> CompletableFuture<T> whenComplete
872	>	(CompletableFuture<T> f,
873	>	BiConsumer<? super T,? super Throwable> a);
874	>	public abstract <T,U> CompletableFuture<Void> runAfterBoth
875	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
876	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
877	>	(CompletableFuture<T> f,
878	>	CompletionStage<? extends U> g,
879	>	BiConsumer<? super T,? super U> a);
880	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
881	>	(CompletableFuture<T> f,
882	>	CompletionStage<? extends U> g,
883	>	BiFunction<? super T,? super U,? extends V> a);
884	>	public abstract <T> CompletableFuture<Void> runAfterEither
885	>	(CompletableFuture<T> f,
886	>	CompletionStage<?> g,
887	>	java.lang.Runnable a);
888	>	public abstract <T> CompletableFuture<Void> acceptEither
889	>	(CompletableFuture<T> f,
890	>	CompletionStage<? extends T> g,
891	>	Consumer<? super T> a);
892	>	public abstract <T,U> CompletableFuture<U> applyToEither
893	>	(CompletableFuture<T> f,
894	>	CompletionStage<? extends T> g,
895	>	Function<? super T,U> a);
896		}
897
898		/**
899	<	* thenCombine result completes exceptionally if either source cancelled
899	>	* exceptionally action is not invoked when source completes
900	>	* normally, and source result is propagated
901		*/
902	<	public void testThenCombine4() {
903	<	CompletableFuture<Integer> f, g, h;
904	<
905	<	f = new CompletableFuture<>();
906	<	g = new CompletableFuture<>();
907	<	h = f.thenCombine(g, subtract);
908	<	assertTrue(f.cancel(true));
909	<	checkIncomplete(h);
910	<	g.complete(1);
911	<	checkCompletedWithWrappedCancellationException(h);
912	<
913	<	f = new CompletableFuture<>();
914	<	g = new CompletableFuture<>();
915	<	h = f.thenCombine(g, subtract);
797	<	assertTrue(g.cancel(true));
798	<	checkIncomplete(h);
799	<	f.complete(3);
800	<	checkCompletedWithWrappedCancellationException(h);
902	>	public void testExceptionally_normalCompletion() {
903	>	for (boolean createIncomplete : new boolean[] { true, false })
904	>	for (Integer v1 : new Integer[] { 1, null })
905	>	{
906	>	final AtomicInteger a = new AtomicInteger(0);
907	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
908	>	if (!createIncomplete) assertTrue(f.complete(v1));
909	>	final CompletableFuture<Integer> g = f.exceptionally
910	>	((Throwable t) -> {
911	>	// Should not be called
912	>	a.getAndIncrement();
913	>	throw new AssertionError();
914	>	});
915	>	if (createIncomplete) assertTrue(f.complete(v1));
916
917	<	f = new CompletableFuture<>();
918	<	g = new CompletableFuture<>();
919	<	assertTrue(f.cancel(true));
920	<	assertTrue(g.cancel(true));
806	<	h = f.thenCombine(g, subtract);
807	<	checkCompletedWithWrappedCancellationException(h);
808	<	}
917	>	checkCompletedNormally(g, v1);
918	>	checkCompletedNormally(f, v1);
919	>	assertEquals(0, a.get());
920	>	}}
921
922		/**
923	<	* thenAcceptBoth result completes normally after normal
924	<	* completion of sources
923	>	* exceptionally action completes with function value on source
924	>	* exception
925		*/
926	<	public void testThenAcceptBoth() {
927	<	CompletableFuture<Integer> f, g;
928	<	CompletableFuture<Void> h;
929	<	SubtractAction r;
930	<
931	<	f = new CompletableFuture<>();
932	<	g = new CompletableFuture<>();
933	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
934	<	f.complete(3);
935	<	checkIncomplete(h);
936	<	g.complete(1);
937	<	checkCompletedNormally(h, null);
938	<	assertEquals(r.value, 2);
926	>	public void testExceptionally_exceptionalCompletion() {
927	>	for (boolean createIncomplete : new boolean[] { true, false })
928	>	for (Integer v1 : new Integer[] { 1, null })
929	>	{
930	>	final AtomicInteger a = new AtomicInteger(0);
931	>	final CFException ex = new CFException();
932	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
933	>	if (!createIncomplete) f.completeExceptionally(ex);
934	>	final CompletableFuture<Integer> g = f.exceptionally
935	>	((Throwable t) -> {
936	>	ExecutionMode.SYNC.checkExecutionMode();
937	>	threadAssertSame(t, ex);
938	>	a.getAndIncrement();
939	>	return v1;
940	>	});
941	>	if (createIncomplete) f.completeExceptionally(ex);
942
943	<	f = new CompletableFuture<>();
944	<	g = new CompletableFuture<>();
945	<	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);
943	>	checkCompletedNormally(g, v1);
944	>	assertEquals(1, a.get());
945	>	}}
946
947	<	f = new CompletableFuture<>();
948	<	g = new CompletableFuture<>();
949	<	g.complete(1);
950	<	f.complete(3);
951	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
952	<	checkCompletedNormally(h, null);
953	<	assertEquals(r.value, 2);
954	<	}
947	>	public void testExceptionally_exceptionalCompletionActionFailed() {
948	>	for (boolean createIncomplete : new boolean[] { true, false })
949	>	{
950	>	final AtomicInteger a = new AtomicInteger(0);
951	>	final CFException ex1 = new CFException();
952	>	final CFException ex2 = new CFException();
953	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
954	>	if (!createIncomplete) f.completeExceptionally(ex1);
955	>	final CompletableFuture<Integer> g = f.exceptionally
956	>	((Throwable t) -> {
957	>	ExecutionMode.SYNC.checkExecutionMode();
958	>	threadAssertSame(t, ex1);
959	>	a.getAndIncrement();
960	>	throw ex2;
961	>	});
962	>	if (createIncomplete) f.completeExceptionally(ex1);
963	>
964	>	checkCompletedWithWrappedException(g, ex2);
965	>	assertEquals(1, a.get());
966	>	}}
967
968		/**
969	<	* thenAcceptBoth result completes exceptionally after exceptional
970	<	* completion of either source
969	>	* whenComplete action executes on normal completion, propagating
970	>	* source result.
971		*/
972	<	public void testThenAcceptBoth2() {
973	<	CompletableFuture<Integer> f, g;
974	<	CompletableFuture<Void> h;
975	<	SubtractAction r;
976	<
977	<	f = new CompletableFuture<>();
978	<	g = new CompletableFuture<>();
979	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
980	<	f.completeExceptionally(new CFException());
981	<	checkIncomplete(h);
982	<	g.complete(1);
983	<	checkCompletedWithWrappedCFException(h);
984	<
985	<	f = new CompletableFuture<>();
986	<	g = new CompletableFuture<>();
987	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
988	<	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);
972	>	public void testWhenComplete_normalCompletion1() {
973	>	for (ExecutionMode m : ExecutionMode.values())
974	>	for (boolean createIncomplete : new boolean[] { true, false })
975	>	for (Integer v1 : new Integer[] { 1, null })
976	>	{
977	>	final AtomicInteger a = new AtomicInteger(0);
978	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
979	>	if (!createIncomplete) assertTrue(f.complete(v1));
980	>	final CompletableFuture<Integer> g = m.whenComplete
981	>	(f,
982	>	(Integer x, Throwable t) -> {
983	>	m.checkExecutionMode();
984	>	threadAssertSame(x, v1);
985	>	threadAssertNull(t);
986	>	a.getAndIncrement();
987	>	});
988	>	if (createIncomplete) assertTrue(f.complete(v1));
989
990	<	f = new CompletableFuture<>();
991	<	g = new CompletableFuture<>();
992	<	f.completeExceptionally(new CFException());
993	<	g.complete(3);
882	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
883	<	checkCompletedWithWrappedCFException(h);
884	<	}
990	>	checkCompletedNormally(g, v1);
991	>	checkCompletedNormally(f, v1);
992	>	assertEquals(1, a.get());
993	>	}}
994
995		/**
996	<	* thenAcceptBoth result completes exceptionally if action does
996	>	* whenComplete action executes on exceptional completion, propagating
997	>	* source result.
998		*/
999	<	public void testThenAcceptBoth3() {
1000	<	CompletableFuture<Integer> f, g;
1001	<	CompletableFuture<Void> h;
1002	<	FailingBiConsumer r;
1003	<
1004	<	f = new CompletableFuture<>();
1005	<	g = new CompletableFuture<>();
1006	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1007	<	f.complete(3);
1008	<	checkIncomplete(h);
1009	<	g.complete(1);
1010	<	checkCompletedWithWrappedCFException(h);
1011	<
1012	<	f = new CompletableFuture<>();
1013	<	g = new CompletableFuture<>();
1014	<	f.complete(3);
1015	<	g.complete(1);
1016	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
1017	<	checkCompletedWithWrappedCFException(h);
1018	<	}
999	>	public void testWhenComplete_exceptionalCompletion() {
1000	>	for (ExecutionMode m : ExecutionMode.values())
1001	>	for (boolean createIncomplete : new boolean[] { true, false })
1002	>	{
1003	>	final AtomicInteger a = new AtomicInteger(0);
1004	>	final CFException ex = new CFException();
1005	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1006	>	if (!createIncomplete) f.completeExceptionally(ex);
1007	>	final CompletableFuture<Integer> g = m.whenComplete
1008	>	(f,
1009	>	(Integer x, Throwable t) -> {
1010	>	m.checkExecutionMode();
1011	>	threadAssertNull(x);
1012	>	threadAssertSame(t, ex);
1013	>	a.getAndIncrement();
1014	>	});
1015	>	if (createIncomplete) f.completeExceptionally(ex);
1016	>
1017	>	checkCompletedWithWrappedException(g, ex);
1018	>	checkCompletedExceptionally(f, ex);
1019	>	assertEquals(1, a.get());
1020	>	}}
1021
1022		/**
1023	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1023	>	* whenComplete action executes on cancelled source, propagating
1024	>	* CancellationException.
1025		*/
1026	<	public void testThenAcceptBoth4() {
1027	<	CompletableFuture<Integer> f, g;
1028	<	CompletableFuture<Void> h;
1029	<	SubtractAction r;
1030	<
1031	<	f = new CompletableFuture<>();
1032	<	g = new CompletableFuture<>();
1033	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1034	<	assertTrue(f.cancel(true));
1035	<	checkIncomplete(h);
1036	<	g.complete(1);
1037	<	checkCompletedWithWrappedCancellationException(h);
1038	<
1039	<	f = new CompletableFuture<>();
1040	<	g = new CompletableFuture<>();
1041	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1042	<	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);
1026	>	public void testWhenComplete_sourceCancelled() {
1027	>	for (ExecutionMode m : ExecutionMode.values())
1028	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1029	>	for (boolean createIncomplete : new boolean[] { true, false })
1030	>	{
1031	>	final AtomicInteger a = new AtomicInteger(0);
1032	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1033	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1034	>	final CompletableFuture<Integer> g = m.whenComplete
1035	>	(f,
1036	>	(Integer x, Throwable t) -> {
1037	>	m.checkExecutionMode();
1038	>	threadAssertNull(x);
1039	>	threadAssertTrue(t instanceof CancellationException);
1040	>	a.getAndIncrement();
1041	>	});
1042	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1043
1044	<	f = new CompletableFuture<>();
1045	<	g = new CompletableFuture<>();
1046	<	assertTrue(f.cancel(true));
1047	<	g.complete(3);
945	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
946	<	checkCompletedWithWrappedCancellationException(h);
947	<	}
1044	>	checkCompletedWithWrappedCancellationException(g);
1045	>	checkCancelled(f);
1046	>	assertEquals(1, a.get());
1047	>	}}
1048
1049		/**
1050	<	* runAfterBoth result completes normally after normal
1051	<	* completion of sources
1050	>	* If a whenComplete action throws an exception when triggered by
1051	>	* a normal completion, it completes exceptionally
1052		*/
1053	<	public void testRunAfterBoth_normalCompletion1() {
1053	>	public void testWhenComplete_actionFailed() {
1054	>	for (boolean createIncomplete : new boolean[] { true, false })
1055	>	for (ExecutionMode m : ExecutionMode.values())
1056		for (Integer v1 : new Integer[] { 1, null })
1057	<	for (Integer v2 : new Integer[] { 2, null }) {
1058	<
1059	<	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	<
1057	>	{
1058	>	final AtomicInteger a = new AtomicInteger(0);
1059	>	final CFException ex = new CFException();
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);
1061	>	if (!createIncomplete) assertTrue(f.complete(v1));
1062	>	final CompletableFuture<Integer> g = m.whenComplete
1063	>	(f,
1064	>	(Integer x, Throwable t) -> {
1065	>	m.checkExecutionMode();
1066	>	threadAssertSame(x, v1);
1067	>	threadAssertNull(t);
1068	>	a.getAndIncrement();
1069	>	throw ex;
1070	>	});
1071	>	if (createIncomplete) assertTrue(f.complete(v1));
1072
1073	<	g.complete(v2);
984	<	checkIncomplete(h);
985	<	assertFalse(r.ran);
986	<	f.complete(v1);
987	<
988	<	checkCompletedNormally(h, null);
989	<	assertTrue(r.ran);
1073	>	checkCompletedWithWrappedException(g, ex);
1074		checkCompletedNormally(f, v1);
1075	<	checkCompletedNormally(g, v2);
1076	<	}
993	<	}
994	<
995	<	public void testRunAfterBoth_normalCompletion3() {
996	<	for (Integer v1 : new Integer[] { 1, null })
997	<	for (Integer v2 : new Integer[] { 2, null }) {
1075	>	assertEquals(1, a.get());
1076	>	}}
1077
1078	+	/**
1079	+	* If a whenComplete action throws an exception when triggered by
1080	+	* a source completion that also throws an exception, the source
1081	+	* exception takes precedence.
1082	+	*/
1083	+	public void testWhenComplete_actionFailedSourceFailed() {
1084	+	for (boolean createIncomplete : new boolean[] { true, false })
1085	+	for (ExecutionMode m : ExecutionMode.values())
1086	+	{
1087	+	final AtomicInteger a = new AtomicInteger(0);
1088	+	final CFException ex1 = new CFException();
1089	+	final CFException ex2 = new CFException();
1090		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);
1006	–
1007	–	checkCompletedNormally(h, null);
1008	–	assertTrue(r.ran);
1009	–	checkCompletedNormally(f, v1);
1010	–	checkCompletedNormally(g, v2);
1011	–	}
1012	–	}
1091
1092	<	public void testRunAfterBoth_normalCompletion4() {
1092	>	if (!createIncomplete) f.completeExceptionally(ex1);
1093	>	final CompletableFuture<Integer> g = m.whenComplete
1094	>	(f,
1095	>	(Integer x, Throwable t) -> {
1096	>	m.checkExecutionMode();
1097	>	threadAssertSame(t, ex1);
1098	>	threadAssertNull(x);
1099	>	a.getAndIncrement();
1100	>	throw ex2;
1101	>	});
1102	>	if (createIncomplete) f.completeExceptionally(ex1);
1103	>
1104	>	checkCompletedWithWrappedException(g, ex1);
1105	>	checkCompletedExceptionally(f, ex1);
1106	>	assertEquals(1, a.get());
1107	>	}}
1108	>
1109	>	/**
1110	>	* handle action completes normally with function value on normal
1111	>	* completion of source
1112	>	*/
1113	>	public void testHandle_normalCompletion() {
1114	>	for (ExecutionMode m : ExecutionMode.values())
1115	>	for (boolean createIncomplete : new boolean[] { true, false })
1116		for (Integer v1 : new Integer[] { 1, null })
1117	<	for (Integer v2 : new Integer[] { 2, null }) {
1017	<
1117	>	{
1118		final CompletableFuture<Integer> f = new CompletableFuture<>();
1119	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1120	<	final Noop r = new Noop();
1119	>	final AtomicInteger a = new AtomicInteger(0);
1120	>	if (!createIncomplete) assertTrue(f.complete(v1));
1121	>	final CompletableFuture<Integer> g = m.handle
1122	>	(f,
1123	>	(Integer x, Throwable t) -> {
1124	>	m.checkExecutionMode();
1125	>	threadAssertSame(x, v1);
1126	>	threadAssertNull(t);
1127	>	a.getAndIncrement();
1128	>	return inc(v1);
1129	>	});
1130	>	if (createIncomplete) assertTrue(f.complete(v1));
1131
1132	<	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);
1132	>	checkCompletedNormally(g, inc(v1));
1133		checkCompletedNormally(f, v1);
1134	<	checkCompletedNormally(g, v2);
1135	<	}
1031	<	}
1134	>	assertEquals(1, a.get());
1135	>	}}
1136
1137		/**
1138	<	* runAfterBoth result completes exceptionally after exceptional
1139	<	* completion of either source
1138	>	* handle action completes normally with function value on
1139	>	* exceptional completion of source
1140		*/
1141	<	public void testRunAfterBoth_exceptionalCompletion1() {
1142	<	for (Integer v1 : new Integer[] { 1, null }) {
1143	<
1144	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1145	<	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	<
1141	>	public void testHandle_exceptionalCompletion() {
1142	>	for (ExecutionMode m : ExecutionMode.values())
1143	>	for (boolean createIncomplete : new boolean[] { true, false })
1144	>	for (Integer v1 : new Integer[] { 1, null })
1145	>	{
1146		final CompletableFuture<Integer> f = new CompletableFuture<>();
1147	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1101	<	final Noop r = new Noop();
1147	>	final AtomicInteger a = new AtomicInteger(0);
1148		final CFException ex = new CFException();
1149	+	if (!createIncomplete) f.completeExceptionally(ex);
1150	+	final CompletableFuture<Integer> g = m.handle
1151	+	(f,
1152	+	(Integer x, Throwable t) -> {
1153	+	m.checkExecutionMode();
1154	+	threadAssertNull(x);
1155	+	threadAssertSame(t, ex);
1156	+	a.getAndIncrement();
1157	+	return v1;
1158	+	});
1159	+	if (createIncomplete) f.completeExceptionally(ex);
1160
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);
1161		checkCompletedNormally(g, v1);
1162	<	}
1163	<	}
1162	>	checkCompletedExceptionally(f, ex);
1163	>	assertEquals(1, a.get());
1164	>	}}
1165
1166		/**
1167	<	* runAfterBoth result completes exceptionally if action does
1167	>	* handle action completes normally with function value on
1168	>	* cancelled source
1169		*/
1170	<	public void testRunAfterBoth_actionFailed1() {
1171	<	for (Integer v1 : new Integer[] { 1, null })
1172	<	for (Integer v2 : new Integer[] { 2, null }) {
1173	<
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() {
1170	>	public void testHandle_sourceCancelled() {
1171	>	for (ExecutionMode m : ExecutionMode.values())
1172	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1173	>	for (boolean createIncomplete : new boolean[] { true, false })
1174		for (Integer v1 : new Integer[] { 1, null })
1175	<	for (Integer v2 : new Integer[] { 2, null }) {
1140	<
1175	>	{
1176		final CompletableFuture<Integer> f = new CompletableFuture<>();
1177	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1178	<	final FailingNoop r = new FailingNoop();
1179	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1180	<
1181	<	g.complete(v2);
1182	<	checkIncomplete(h);
1183	<	f.complete(v1);
1177	>	final AtomicInteger a = new AtomicInteger(0);
1178	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1179	>	final CompletableFuture<Integer> g = m.handle
1180	>	(f,
1181	>	(Integer x, Throwable t) -> {
1182	>	m.checkExecutionMode();
1183	>	threadAssertNull(x);
1184	>	threadAssertTrue(t instanceof CancellationException);
1185	>	a.getAndIncrement();
1186	>	return v1;
1187	>	});
1188	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1189
1190	<	checkCompletedWithWrappedCFException(h);
1191	<	checkCompletedNormally(f, v1);
1192	<	checkCompletedNormally(g, v2);
1193	<	}
1154	<	}
1190	>	checkCompletedNormally(g, v1);
1191	>	checkCancelled(f);
1192	>	assertEquals(1, a.get());
1193	>	}}
1194
1195		/**
1196	<	* runAfterBoth result completes exceptionally if either source cancelled
1196	>	* handle result completes exceptionally if action does
1197		*/
1198	<	public void testRunAfterBoth_sourceCancelled1() {
1199	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1200	<	for (Integer v1 : new Integer[] { 1, null }) {
1201	<
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	<
1198	>	public void testHandle_sourceFailedActionFailed() {
1199	>	for (ExecutionMode m : ExecutionMode.values())
1200	>	for (boolean createIncomplete : new boolean[] { true, false })
1201	>	{
1202		final CompletableFuture<Integer> f = new CompletableFuture<>();
1203	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1204	<	final Noop r = new Noop();
1205	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1206	<
1207	<	assertTrue(g.cancel(mayInterruptIfRunning));
1208	<	checkIncomplete(h);
1209	<	f.complete(v1);
1210	<
1211	<	checkCompletedWithWrappedCancellationException(h);
1212	<	checkCancelled(g);
1213	<	assertFalse(r.ran);
1214	<	checkCompletedNormally(f, v1);
1215	<	}
1216	<	}
1217	<
1218	<	public void testRunAfterBoth_sourceCancelled3() {
1219	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1220	<	for (Integer v1 : new Integer[] { 1, null }) {
1221	<
1203	>	final AtomicInteger a = new AtomicInteger(0);
1204	>	final CFException ex1 = new CFException();
1205	>	final CFException ex2 = new CFException();
1206	>	if (!createIncomplete) f.completeExceptionally(ex1);
1207	>	final CompletableFuture<Integer> g = m.handle
1208	>	(f,
1209	>	(Integer x, Throwable t) -> {
1210	>	m.checkExecutionMode();
1211	>	threadAssertNull(x);
1212	>	threadAssertSame(ex1, t);
1213	>	a.getAndIncrement();
1214	>	throw ex2;
1215	>	});
1216	>	if (createIncomplete) f.completeExceptionally(ex1);
1217	>
1218	>	checkCompletedWithWrappedException(g, ex2);
1219	>	checkCompletedExceptionally(f, ex1);
1220	>	assertEquals(1, a.get());
1221	>	}}
1222	>
1223	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1224	>	for (ExecutionMode m : ExecutionMode.values())
1225	>	for (boolean createIncomplete : new boolean[] { true, false })
1226	>	for (Integer v1 : new Integer[] { 1, null })
1227	>	{
1228		final CompletableFuture<Integer> f = new CompletableFuture<>();
1229	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1230	<	final Noop r = new Noop();
1231	<
1232	<	assertTrue(g.cancel(mayInterruptIfRunning));
1233	<	f.complete(v1);
1234	<	final CompletableFuture<Void> h = f.runAfterBoth(g, r);
1229	>	final AtomicInteger a = new AtomicInteger(0);
1230	>	final CFException ex = new CFException();
1231	>	if (!createIncomplete) assertTrue(f.complete(v1));
1232	>	final CompletableFuture<Integer> g = m.handle
1233	>	(f,
1234	>	(Integer x, Throwable t) -> {
1235	>	m.checkExecutionMode();
1236	>	threadAssertSame(x, v1);
1237	>	threadAssertNull(t);
1238	>	a.getAndIncrement();
1239	>	throw ex;
1240	>	});
1241	>	if (createIncomplete) assertTrue(f.complete(v1));
1242
1243	<	checkCompletedWithWrappedCancellationException(h);
1212	<	checkCancelled(g);
1213	<	assertFalse(r.ran);
1243	>	checkCompletedWithWrappedException(g, ex);
1244		checkCompletedNormally(f, v1);
1245	<	}
1246	<	}
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	<	}
1302	<
1303	<	/**
1304	<	* 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	<	}
1245	>	assertEquals(1, a.get());
1246	>	}}
1247
1248		/**
1249	<	* 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
1249	>	* runAsync completes after running Runnable
1250		*/
1251	<	public void testThenCompose() {
1252	<	CompletableFuture<Integer> f, g;
1253	<	CompletableFutureInc r;
1254	<
1255	<	f = new CompletableFuture<>();
1256	<	g = f.thenCompose(r = new CompletableFutureInc());
1257	<	f.complete(one);
1258	<	checkCompletedNormally(g, two);
1259	<	assertTrue(r.ran);
1260	<
1261	<	f = new CompletableFuture<>();
1262	<	f.complete(one);
1263	<	g = f.thenCompose(r = new CompletableFutureInc());
1465	<	checkCompletedNormally(g, two);
1466	<	assertTrue(r.ran);
1467	<	}
1251	>	public void testRunAsync_normalCompletion() {
1252	>	ExecutionMode[] executionModes = {
1253	>	ExecutionMode.ASYNC,
1254	>	ExecutionMode.EXECUTOR,
1255	>	};
1256	>	for (ExecutionMode m : executionModes)
1257	>	{
1258	>	final Noop r = new Noop(m);
1259	>	final CompletableFuture<Void> f = m.runAsync(r);
1260	>	assertNull(f.join());
1261	>	checkCompletedNormally(f, null);
1262	>	r.assertInvoked();
1263	>	}}
1264
1265		/**
1266	<	* thenCompose result completes exceptionally after exceptional
1471	<	* completion of source
1266	>	* failing runAsync completes exceptionally after running Runnable
1267		*/
1268	<	public void testThenCompose2() {
1269	<	CompletableFuture<Integer> f, g;
1270	<	CompletableFutureInc r;
1271	<
1272	<	f = new CompletableFuture<>();
1273	<	g = f.thenCompose(r = new CompletableFutureInc());
1274	<	f.completeExceptionally(new CFException());
1275	<	checkCompletedWithWrappedCFException(g);
1276	<
1277	<	f = new CompletableFuture<>();
1278	<	f.completeExceptionally(new CFException());
1279	<	g = f.thenCompose(r = new CompletableFutureInc());
1485	<	checkCompletedWithWrappedCFException(g);
1486	<	}
1268	>	public void testRunAsync_exceptionalCompletion() {
1269	>	ExecutionMode[] executionModes = {
1270	>	ExecutionMode.ASYNC,
1271	>	ExecutionMode.EXECUTOR,
1272	>	};
1273	>	for (ExecutionMode m : executionModes)
1274	>	{
1275	>	final FailingRunnable r = new FailingRunnable(m);
1276	>	final CompletableFuture<Void> f = m.runAsync(r);
1277	>	checkCompletedWithWrappedCFException(f);
1278	>	r.assertInvoked();
1279	>	}}
1280
1281		/**
1282	<	* thenCompose result completes exceptionally if action does
1282	>	* supplyAsync completes with result of supplier
1283		*/
1284	<	public void testThenCompose3() {
1285	<	CompletableFuture<Integer> f, g;
1286	<	FailingCompletableFutureFunction r;
1287	<
1288	<	f = new CompletableFuture<>();
1289	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1290	<	f.complete(one);
1291	<	checkCompletedWithWrappedCFException(g);
1292	<
1293	<	f = new CompletableFuture<>();
1294	<	f.complete(one);
1295	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1296	<	checkCompletedWithWrappedCFException(g);
1297	<	}
1284	>	public void testSupplyAsync_normalCompletion() {
1285	>	ExecutionMode[] executionModes = {
1286	>	ExecutionMode.ASYNC,
1287	>	ExecutionMode.EXECUTOR,
1288	>	};
1289	>	for (ExecutionMode m : executionModes)
1290	>	for (Integer v1 : new Integer[] { 1, null })
1291	>	{
1292	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1293	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1294	>	assertSame(v1, f.join());
1295	>	checkCompletedNormally(f, v1);
1296	>	r.assertInvoked();
1297	>	}}
1298
1299		/**
1300	<	* thenCompose result completes exceptionally if source cancelled
1300	>	* Failing supplyAsync completes exceptionally
1301		*/
1302	<	public void testThenCompose4() {
1303	<	CompletableFuture<Integer> f, g;
1304	<	CompletableFutureInc r;
1305	<
1306	<	f = new CompletableFuture<>();
1307	<	g = f.thenCompose(r = new CompletableFutureInc());
1308	<	assertTrue(f.cancel(true));
1309	<	checkCompletedWithWrappedCancellationException(g);
1310	<
1311	<	f = new CompletableFuture<>();
1312	<	assertTrue(f.cancel(true));
1313	<	g = f.thenCompose(r = new CompletableFutureInc());
1521	<	checkCompletedWithWrappedCancellationException(g);
1522	<	}
1302	>	public void testSupplyAsync_exceptionalCompletion() {
1303	>	ExecutionMode[] executionModes = {
1304	>	ExecutionMode.ASYNC,
1305	>	ExecutionMode.EXECUTOR,
1306	>	};
1307	>	for (ExecutionMode m : executionModes)
1308	>	{
1309	>	FailingSupplier r = new FailingSupplier(m);
1310	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1311	>	checkCompletedWithWrappedCFException(f);
1312	>	r.assertInvoked();
1313	>	}}
1314
1315	<	// asyncs
1315	>	// seq completion methods
1316
1317		/**
1318	<	* thenRunAsync result completes normally after normal completion of source
1318	>	* thenRun result completes normally after normal completion of source
1319		*/
1320	<	public void testThenRunAsync() {
1321	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1322	<	Noop r = new Noop();
1323	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1324	<	f.complete(null);
1325	<	checkCompletedNormally(g, null);
1320	>	public void testThenRun_normalCompletion() {
1321	>	for (ExecutionMode m : ExecutionMode.values())
1322	>	for (Integer v1 : new Integer[] { 1, null })
1323	>	{
1324	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1325	>	final Noop[] rs = new Noop[6];
1326	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1327
1328	<	// reordered version
1329	<	f = new CompletableFuture<>();
1330	<	f.complete(null);
1331	<	r = new Noop();
1332	<	g = f.thenRunAsync(r);
1333	<	checkCompletedNormally(g, null);
1334	<	}
1328	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1329	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1330	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1331	>	checkIncomplete(h0);
1332	>	checkIncomplete(h1);
1333	>	checkIncomplete(h2);
1334	>	assertTrue(f.complete(v1));
1335	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1336	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1337	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1338	>
1339	>	checkCompletedNormally(h0, null);
1340	>	checkCompletedNormally(h1, null);
1341	>	checkCompletedNormally(h2, null);
1342	>	checkCompletedNormally(h3, null);
1343	>	checkCompletedNormally(h4, null);
1344	>	checkCompletedNormally(h5, null);
1345	>	checkCompletedNormally(f, v1);
1346	>	for (Noop r : rs) r.assertInvoked();
1347	>	}}
1348
1349		/**
1350	<	* thenRunAsync result completes exceptionally after exceptional
1350	>	* thenRun result completes exceptionally after exceptional
1351		* completion of source
1352		*/
1353	<	public void testThenRunAsync2() {
1354	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1355	<	Noop r = new Noop();
1356	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1357	<	f.completeExceptionally(new CFException());
1358	<	try {
1359	<	g.join();
1555	<	shouldThrow();
1556	<	} catch (CompletionException success) {}
1557	<	checkCompletedWithWrappedCFException(g);
1558	<	}
1353	>	public void testThenRun_exceptionalCompletion() {
1354	>	for (ExecutionMode m : ExecutionMode.values())
1355	>	{
1356	>	final CFException ex = new CFException();
1357	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1358	>	final Noop[] rs = new Noop[6];
1359	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1360
1361	<	/**
1362	<	* thenRunAsync result completes exceptionally if action does
1363	<	*/
1364	<	public void testThenRunAsync3() {
1365	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1366	<	FailingNoop r = new FailingNoop();
1367	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1368	<	f.complete(null);
1369	<	checkCompletedWithWrappedCFException(g);
1370	<	}
1361	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1362	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1363	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1364	>	checkIncomplete(h0);
1365	>	checkIncomplete(h1);
1366	>	checkIncomplete(h2);
1367	>	assertTrue(f.completeExceptionally(ex));
1368	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1369	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1370	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1371	>
1372	>	checkCompletedWithWrappedException(h0, ex);
1373	>	checkCompletedWithWrappedException(h1, ex);
1374	>	checkCompletedWithWrappedException(h2, ex);
1375	>	checkCompletedWithWrappedException(h3, ex);
1376	>	checkCompletedWithWrappedException(h4, ex);
1377	>	checkCompletedWithWrappedException(h5, ex);
1378	>	checkCompletedExceptionally(f, ex);
1379	>	for (Noop r : rs) r.assertNotInvoked();
1380	>	}}
1381
1382		/**
1383	<	* thenRunAsync result completes exceptionally if source cancelled
1383	>	* thenRun result completes exceptionally if source cancelled
1384		*/
1385	<	public void testThenRunAsync4() {
1386	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1387	<	Noop r = new Noop();
1388	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1389	<	assertTrue(f.cancel(true));
1390	<	checkCompletedWithWrappedCancellationException(g);
1391	<	}
1385	>	public void testThenRun_sourceCancelled() {
1386	>	for (ExecutionMode m : ExecutionMode.values())
1387	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1388	>	{
1389	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1390	>	final Noop[] rs = new Noop[6];
1391	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1392
1393	<	/**
1394	<	* thenApplyAsync result completes normally after normal completion of source
1395	<	*/
1396	<	public void testThenApplyAsync() {
1397	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1398	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1399	<	f.complete(one);
1400	<	checkCompletedNormally(g, two);
1401	<	}
1393	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1394	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1395	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1396	>	checkIncomplete(h0);
1397	>	checkIncomplete(h1);
1398	>	checkIncomplete(h2);
1399	>	assertTrue(f.cancel(mayInterruptIfRunning));
1400	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1401	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1402	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1403	>
1404	>	checkCompletedWithWrappedCancellationException(h0);
1405	>	checkCompletedWithWrappedCancellationException(h1);
1406	>	checkCompletedWithWrappedCancellationException(h2);
1407	>	checkCompletedWithWrappedCancellationException(h3);
1408	>	checkCompletedWithWrappedCancellationException(h4);
1409	>	checkCompletedWithWrappedCancellationException(h5);
1410	>	checkCancelled(f);
1411	>	for (Noop r : rs) r.assertNotInvoked();
1412	>	}}
1413
1414		/**
1415	<	* thenApplyAsync result completes exceptionally after exceptional
1594	<	* completion of source
1415	>	* thenRun result completes exceptionally if action does
1416		*/
1417	<	public void testThenApplyAsync2() {
1418	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1419	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1420	<	f.completeExceptionally(new CFException());
1421	<	checkCompletedWithWrappedCFException(g);
1422	<	}
1417	>	public void testThenRun_actionFailed() {
1418	>	for (ExecutionMode m : ExecutionMode.values())
1419	>	for (Integer v1 : new Integer[] { 1, null })
1420	>	{
1421	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1422	>	final FailingRunnable[] rs = new FailingRunnable[6];
1423	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1424
1425	<	/**
1426	<	* thenApplyAsync result completes exceptionally if action does
1427	<	*/
1428	<	public void testThenApplyAsync3() {
1429	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1430	<	FailingFunction r = new FailingFunction();
1431	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1432	<	f.complete(null);
1433	<	checkCompletedWithWrappedCFException(g);
1434	<	}
1425	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1426	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1427	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1428	>	assertTrue(f.complete(v1));
1429	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1430	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1431	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1432	>
1433	>	checkCompletedWithWrappedCFException(h0);
1434	>	checkCompletedWithWrappedCFException(h1);
1435	>	checkCompletedWithWrappedCFException(h2);
1436	>	checkCompletedWithWrappedCFException(h3);
1437	>	checkCompletedWithWrappedCFException(h4);
1438	>	checkCompletedWithWrappedCFException(h5);
1439	>	checkCompletedNormally(f, v1);
1440	>	}}
1441
1442		/**
1443	<	* thenApplyAsync result completes exceptionally if source cancelled
1443	>	* thenApply result completes normally after normal completion of source
1444		*/
1445	<	public void testThenApplyAsync4() {
1446	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1447	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1448	<	assertTrue(f.cancel(true));
1449	<	checkCompletedWithWrappedCancellationException(g);
1450	<	}
1445	>	public void testThenApply_normalCompletion() {
1446	>	for (ExecutionMode m : ExecutionMode.values())
1447	>	for (Integer v1 : new Integer[] { 1, null })
1448	>	{
1449	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1450	>	final IncFunction[] rs = new IncFunction[4];
1451	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1452
1453	<	/**
1454	<	* thenAcceptAsync result completes normally after normal
1455	<	* completion of source
1456	<	*/
1457	<	public void testThenAcceptAsync() {
1458	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1459	<	IncAction r = new IncAction();
1460	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1461	<	f.complete(one);
1462	<	checkCompletedNormally(g, null);
1463	<	assertEquals(r.value, 2);
1464	<	}
1453	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1454	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1455	>	checkIncomplete(h0);
1456	>	checkIncomplete(h1);
1457	>	assertTrue(f.complete(v1));
1458	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1459	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1460	>
1461	>	checkCompletedNormally(h0, inc(v1));
1462	>	checkCompletedNormally(h1, inc(v1));
1463	>	checkCompletedNormally(h2, inc(v1));
1464	>	checkCompletedNormally(h3, inc(v1));
1465	>	checkCompletedNormally(f, v1);
1466	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1467	>	}}
1468
1469		/**
1470	<	* thenAcceptAsync result completes exceptionally after exceptional
1470	>	* thenApply result completes exceptionally after exceptional
1471		* completion of source
1472		*/
1473	<	public void testThenAcceptAsync2() {
1474	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1475	<	IncAction r = new IncAction();
1476	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1477	<	f.completeExceptionally(new CFException());
1478	<	checkCompletedWithWrappedCFException(g);
1479	<	}
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);
1473	>	public void testThenApply_exceptionalCompletion() {
1474	>	for (ExecutionMode m : ExecutionMode.values())
1475	>	{
1476	>	final CFException ex = new CFException();
1477	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1478	>	final IncFunction[] rs = new IncFunction[4];
1479	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1480
1481	<	f = new CompletableFuture<>();
1482	<	g = new CompletableFuture<>();
1483	<	h = f.thenCombineAsync(g, subtract);
1484	<	g.complete(1);
1485	<	checkIncomplete(h);
1486	<	f.complete(3);
1487	<	checkCompletedNormally(h, 2);
1488	<
1489	<	f = new CompletableFuture<>();
1490	<	g = new CompletableFuture<>();
1491	<	g.complete(1);
1492	<	f.complete(3);
1493	<	h = f.thenCombineAsync(g, subtract);
1699	<	checkCompletedNormally(h, 2);
1700	<	}
1481	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1482	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1483	>	assertTrue(f.completeExceptionally(ex));
1484	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1485	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1486	>
1487	>	checkCompletedWithWrappedException(h0, ex);
1488	>	checkCompletedWithWrappedException(h1, ex);
1489	>	checkCompletedWithWrappedException(h2, ex);
1490	>	checkCompletedWithWrappedException(h3, ex);
1491	>	checkCompletedExceptionally(f, ex);
1492	>	for (IncFunction r : rs) r.assertNotInvoked();
1493	>	}}
1494
1495		/**
1496	<	* thenCombineAsync result completes exceptionally after exceptional
1704	<	* completion of either source
1496	>	* thenApply result completes exceptionally if source cancelled
1497		*/
1498	<	public void testThenCombineAsync2() {
1499	<	CompletableFuture<Integer> f, g, h;
1500	<
1501	<	f = new CompletableFuture<>();
1502	<	g = new CompletableFuture<>();
1503	<	h = f.thenCombineAsync(g, subtract);
1504	<	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);
1498	>	public void testThenApply_sourceCancelled() {
1499	>	for (ExecutionMode m : ExecutionMode.values())
1500	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1501	>	{
1502	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1503	>	final IncFunction[] rs = new IncFunction[4];
1504	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1505
1506	<	f = new CompletableFuture<>();
1507	<	g = new CompletableFuture<>();
1508	<	g.completeExceptionally(new CFException());
1509	<	f.complete(3);
1510	<	h = f.thenCombineAsync(g, subtract);
1730	<	checkCompletedWithWrappedCFException(h);
1731	<	}
1506	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1507	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1508	>	assertTrue(f.cancel(mayInterruptIfRunning));
1509	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1510	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1511
1512	<	/**
1513	<	* thenCombineAsync result completes exceptionally if action does
1514	<	*/
1515	<	public void testThenCombineAsync3() {
1516	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1517	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1518	<	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	<	}
1512	>	checkCompletedWithWrappedCancellationException(h0);
1513	>	checkCompletedWithWrappedCancellationException(h1);
1514	>	checkCompletedWithWrappedCancellationException(h2);
1515	>	checkCompletedWithWrappedCancellationException(h3);
1516	>	checkCancelled(f);
1517	>	for (IncFunction r : rs) r.assertNotInvoked();
1518	>	}}
1519
1520		/**
1521	<	* thenCombineAsync result completes exceptionally if either source cancelled
1521	>	* thenApply result completes exceptionally if action does
1522		*/
1523	<	public void testThenCombineAsync4() {
1524	<	CompletableFuture<Integer> f, g, h;
1525	<
1526	<	f = new CompletableFuture<>();
1527	<	g = new CompletableFuture<>();
1528	<	h = f.thenCombineAsync(g, subtract);
1529	<	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);
1523	>	public void testThenApply_actionFailed() {
1524	>	for (ExecutionMode m : ExecutionMode.values())
1525	>	for (Integer v1 : new Integer[] { 1, null })
1526	>	{
1527	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1528	>	final FailingFunction[] rs = new FailingFunction[4];
1529	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1530
1531	<	f = new CompletableFuture<>();
1532	<	g = new CompletableFuture<>();
1533	<	f.complete(3);
1534	<	assertTrue(g.cancel(true));
1535	<	h = f.thenCombineAsync(g, subtract);
1536	<	checkCompletedWithWrappedCancellationException(h);
1537	<	}
1531	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1532	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1533	>	assertTrue(f.complete(v1));
1534	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1535	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1536	>
1537	>	checkCompletedWithWrappedCFException(h0);
1538	>	checkCompletedWithWrappedCFException(h1);
1539	>	checkCompletedWithWrappedCFException(h2);
1540	>	checkCompletedWithWrappedCFException(h3);
1541	>	checkCompletedNormally(f, v1);
1542	>	}}
1543
1544		/**
1545	<	* thenAcceptBothAsync result completes normally after normal
1788	<	* completion of sources
1545	>	* thenAccept result completes normally after normal completion of source
1546		*/
1547	<	public void testThenAcceptBothAsync() {
1548	<	CompletableFuture<Integer> f, g;
1549	<	CompletableFuture<Void> h;
1550	<	SubtractAction r;
1551	<
1552	<	f = new CompletableFuture<>();
1553	<	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);
1547	>	public void testThenAccept_normalCompletion() {
1548	>	for (ExecutionMode m : ExecutionMode.values())
1549	>	for (Integer v1 : new Integer[] { 1, null })
1550	>	{
1551	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1552	>	final NoopConsumer[] rs = new NoopConsumer[4];
1553	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1554
1555	<	f = new CompletableFuture<>();
1556	<	g = new CompletableFuture<>();
1557	<	g.complete(1);
1558	<	f.complete(3);
1559	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1560	<	checkCompletedNormally(h, null);
1561	<	assertEquals(r.value, 2);
1562	<	}
1555	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1556	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1557	>	checkIncomplete(h0);
1558	>	checkIncomplete(h1);
1559	>	assertTrue(f.complete(v1));
1560	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1561	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1562	>
1563	>	checkCompletedNormally(h0, null);
1564	>	checkCompletedNormally(h1, null);
1565	>	checkCompletedNormally(h2, null);
1566	>	checkCompletedNormally(h3, null);
1567	>	checkCompletedNormally(f, v1);
1568	>	for (NoopConsumer r : rs) r.assertValue(v1);
1569	>	}}
1570
1571		/**
1572	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1572	>	* thenAccept result completes exceptionally after exceptional
1573		* completion of source
1574		*/
1575	<	public void testThenAcceptBothAsync2() {
1576	<	CompletableFuture<Integer> f, g;
1577	<	CompletableFuture<Void> h;
1578	<	SubtractAction r;
1579	<
1580	<	f = new CompletableFuture<>();
1581	<	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);
1575	>	public void testThenAccept_exceptionalCompletion() {
1576	>	for (ExecutionMode m : ExecutionMode.values())
1577	>	{
1578	>	final CFException ex = new CFException();
1579	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1580	>	final NoopConsumer[] rs = new NoopConsumer[4];
1581	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1582
1583	<	f = new CompletableFuture<>();
1584	<	g = new CompletableFuture<>();
1585	<	f.complete(3);
1586	<	g.complete(1);
1587	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1588	<	checkCompletedWithWrappedCFException(h);
1589	<	}
1583	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1584	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1585	>	assertTrue(f.completeExceptionally(ex));
1586	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1587	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1588	>
1589	>	checkCompletedWithWrappedException(h0, ex);
1590	>	checkCompletedWithWrappedException(h1, ex);
1591	>	checkCompletedWithWrappedException(h2, ex);
1592	>	checkCompletedWithWrappedException(h3, ex);
1593	>	checkCompletedExceptionally(f, ex);
1594	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1595	>	}}
1596
1597		/**
1598	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1598	>	* thenAccept result completes exceptionally if source cancelled
1599		*/
1600	<	public void testThenAcceptBothAsync4() {
1601	<	CompletableFuture<Integer> f, g;
1602	<	CompletableFuture<Void> h;
1603	<	SubtractAction r;
1604	<
1605	<	f = new CompletableFuture<>();
1606	<	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);
1600	>	public void testThenAccept_sourceCancelled() {
1601	>	for (ExecutionMode m : ExecutionMode.values())
1602	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1603	>	{
1604	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1605	>	final NoopConsumer[] rs = new NoopConsumer[4];
1606	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1607
1608	<	f = new CompletableFuture<>();
1609	<	g = new CompletableFuture<>();
1610	<	assertTrue(f.cancel(true));
1611	<	g.complete(3);
1612	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1922	<	checkCompletedWithWrappedCancellationException(h);
1923	<	}
1608	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1609	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1610	>	assertTrue(f.cancel(mayInterruptIfRunning));
1611	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1612	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1613
1614	<	/**
1615	<	* runAfterBothAsync result completes normally after normal
1616	<	* completion of sources
1617	<	*/
1618	<	public void testRunAfterBothAsync() {
1619	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1620	<	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	<	}
1614	>	checkCompletedWithWrappedCancellationException(h0);
1615	>	checkCompletedWithWrappedCancellationException(h1);
1616	>	checkCompletedWithWrappedCancellationException(h2);
1617	>	checkCompletedWithWrappedCancellationException(h3);
1618	>	checkCancelled(f);
1619	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1620	>	}}
1621
1622		/**
1623	<	* runAfterBothAsync result completes exceptionally after exceptional
1943	<	* completion of source
1623	>	* thenAccept result completes exceptionally if action does
1624		*/
1625	<	public void testRunAfterBothAsync2() {
1626	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1627	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1628	<	Noop r = new Noop();
1629	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1630	<	f.completeExceptionally(new CFException());
1631	<	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	<	}
1625	>	public void testThenAccept_actionFailed() {
1626	>	for (ExecutionMode m : ExecutionMode.values())
1627	>	for (Integer v1 : new Integer[] { 1, null })
1628	>	{
1629	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1630	>	final FailingConsumer[] rs = new FailingConsumer[4];
1631	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1632
1633	<	/**
1634	<	* runAfterBothAsync result completes exceptionally if action does
1635	<	*/
1636	<	public void testRunAfterBothAsync3() {
1637	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1638	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1639	<	FailingNoop r = new FailingNoop();
1640	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1641	<	f.complete(one);
1642	<	checkIncomplete(g);
1643	<	f2.complete(two);
1644	<	checkCompletedWithWrappedCFException(g);
1975	<	}
1633	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1634	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1635	>	assertTrue(f.complete(v1));
1636	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1637	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1638	>
1639	>	checkCompletedWithWrappedCFException(h0);
1640	>	checkCompletedWithWrappedCFException(h1);
1641	>	checkCompletedWithWrappedCFException(h2);
1642	>	checkCompletedWithWrappedCFException(h3);
1643	>	checkCompletedNormally(f, v1);
1644	>	}}
1645
1646		/**
1647	<	* runAfterBothAsync result completes exceptionally if either source cancelled
1647	>	* thenCombine result completes normally after normal completion
1648	>	* of sources
1649		*/
1650	<	public void testRunAfterBothAsync4() {
1651	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1652	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1653	<	Noop r = new Noop();
1654	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1655	<	assertTrue(f.cancel(true));
1656	<	f2.complete(two);
1657	<	checkCompletedWithWrappedCancellationException(g);
1650	>	public void testThenCombine_normalCompletion() {
1651	>	for (ExecutionMode m : ExecutionMode.values())
1652	>	for (boolean fFirst : new boolean[] { true, false })
1653	>	for (Integer v1 : new Integer[] { 1, null })
1654	>	for (Integer v2 : new Integer[] { 2, null })
1655	>	{
1656	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1657	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1658	>	final SubtractFunction[] rs = new SubtractFunction[6];
1659	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1660
1661	<	r = new Noop();
1662	<	f = new CompletableFuture<>();
1663	<	f2 = new CompletableFuture<>();
1664	<	g = f.runAfterBothAsync(f2, r);
1665	<	f.complete(one);
1666	<	assertTrue(f2.cancel(true));
1667	<	checkCompletedWithWrappedCancellationException(g);
1668	<	}
1661	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1662	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1663	>	final Integer w1 =  fFirst ? v1 : v2;
1664	>	final Integer w2 = !fFirst ? v1 : v2;
1665	>
1666	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1667	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1668	>	assertTrue(fst.complete(w1));
1669	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1670	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1671	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1672	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1673	>	checkCompletedNormally(h1, subtract(w1, w1));
1674	>	checkCompletedNormally(h3, subtract(w1, w1));
1675	>	rs[1].assertValue(subtract(w1, w1));
1676	>	rs[3].assertValue(subtract(w1, w1));
1677	>	assertTrue(snd.complete(w2));
1678	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1679	>
1680	>	checkCompletedNormally(h0, subtract(v1, v2));
1681	>	checkCompletedNormally(h2, subtract(v1, v2));
1682	>	checkCompletedNormally(h4, subtract(v1, v2));
1683	>	rs[0].assertValue(subtract(v1, v2));
1684	>	rs[2].assertValue(subtract(v1, v2));
1685	>	rs[4].assertValue(subtract(v1, v2));
1686
1687	<	/**
1688	<	* applyToEitherAsync result completes normally after normal
1689	<	* completion of sources
2001	<	*/
2002	<	public void testApplyToEitherAsync() {
2003	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2004	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2005	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
2006	<	f.complete(one);
2007	<	checkCompletedNormally(g, two);
2008	<
2009	<	f = new CompletableFuture<>();
2010	<	f.complete(one);
2011	<	f2 = new CompletableFuture<>();
2012	<	g = f.applyToEitherAsync(f2, inc);
2013	<	checkCompletedNormally(g, two);
2014	<	}
1687	>	checkCompletedNormally(f, v1);
1688	>	checkCompletedNormally(g, v2);
1689	>	}}
1690
1691		/**
1692	<	* applyToEitherAsync result completes exceptionally after exceptional
1693	<	* completion of source
1692	>	* thenCombine result completes exceptionally after exceptional
1693	>	* completion of either source
1694		*/
1695	<	public void testApplyToEitherAsync2() {
1696	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1697	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1698	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1699	<	f.completeExceptionally(new CFException());
1700	<	checkCompletedWithWrappedCFException(g);
1701	<
1702	<	f = new CompletableFuture<>();
1703	<	f2 = new CompletableFuture<>();
1704	<	f2.completeExceptionally(new CFException());
1705	<	g = f.applyToEitherAsync(f2, inc);
1706	<	f.complete(one);
1707	<	checkCompletedWithWrappedCFException(g);
1708	<	}
1695	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1696	>	for (ExecutionMode m : ExecutionMode.values())
1697	>	for (boolean fFirst : new boolean[] { true, false })
1698	>	for (boolean failFirst : new boolean[] { true, false })
1699	>	for (Integer v1 : new Integer[] { 1, null })
1700	>	{
1701	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1702	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1703	>	final CFException ex = new CFException();
1704	>	final SubtractFunction r1 = new SubtractFunction(m);
1705	>	final SubtractFunction r2 = new SubtractFunction(m);
1706	>	final SubtractFunction r3 = new SubtractFunction(m);
1707	>
1708	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1709	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1710	>	final Callable<Boolean> complete1 = failFirst ?
1711	>	() -> fst.completeExceptionally(ex) :
1712	>	() -> fst.complete(v1);
1713	>	final Callable<Boolean> complete2 = failFirst ?
1714	>	() -> snd.complete(v1) :
1715	>	() -> snd.completeExceptionally(ex);
1716	>
1717	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1718	>	assertTrue(complete1.call());
1719	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1720	>	checkIncomplete(h1);
1721	>	checkIncomplete(h2);
1722	>	assertTrue(complete2.call());
1723	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1724	>
1725	>	checkCompletedWithWrappedException(h1, ex);
1726	>	checkCompletedWithWrappedException(h2, ex);
1727	>	checkCompletedWithWrappedException(h3, ex);
1728	>	r1.assertNotInvoked();
1729	>	r2.assertNotInvoked();
1730	>	r3.assertNotInvoked();
1731	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1732	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1733	>	}}
1734
1735		/**
1736	<	* applyToEitherAsync result completes exceptionally if action does
1736	>	* thenCombine result completes exceptionally if either source cancelled
1737		*/
1738	<	public void testApplyToEitherAsync3() {
1739	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1740	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1741	<	FailingFunction r = new FailingFunction();
1742	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1743	<	f.complete(one);
1744	<	checkCompletedWithWrappedCFException(g);
1745	<	}
1738	>	public void testThenCombine_sourceCancelled() throws Throwable {
1739	>	for (ExecutionMode m : ExecutionMode.values())
1740	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1741	>	for (boolean fFirst : new boolean[] { true, false })
1742	>	for (boolean failFirst : new boolean[] { true, false })
1743	>	for (Integer v1 : new Integer[] { 1, null })
1744	>	{
1745	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1746	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1747	>	final SubtractFunction r1 = new SubtractFunction(m);
1748	>	final SubtractFunction r2 = new SubtractFunction(m);
1749	>	final SubtractFunction r3 = new SubtractFunction(m);
1750	>
1751	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1752	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1753	>	final Callable<Boolean> complete1 = failFirst ?
1754	>	() -> fst.cancel(mayInterruptIfRunning) :
1755	>	() -> fst.complete(v1);
1756	>	final Callable<Boolean> complete2 = failFirst ?
1757	>	() -> snd.complete(v1) :
1758	>	() -> snd.cancel(mayInterruptIfRunning);
1759	>
1760	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1761	>	assertTrue(complete1.call());
1762	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1763	>	checkIncomplete(h1);
1764	>	checkIncomplete(h2);
1765	>	assertTrue(complete2.call());
1766	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1767	>
1768	>	checkCompletedWithWrappedCancellationException(h1);
1769	>	checkCompletedWithWrappedCancellationException(h2);
1770	>	checkCompletedWithWrappedCancellationException(h3);
1771	>	r1.assertNotInvoked();
1772	>	r2.assertNotInvoked();
1773	>	r3.assertNotInvoked();
1774	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1775	>	checkCancelled(failFirst ? fst : snd);
1776	>	}}
1777
1778		/**
1779	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1779	>	* thenCombine result completes exceptionally if action does
1780		*/
1781	<	public void testApplyToEitherAsync4() {
1782	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1783	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1784	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1785	<	assertTrue(f.cancel(true));
1786	<	checkCompletedWithWrappedCancellationException(g);
1787	<
1788	<	f = new CompletableFuture<>();
1789	<	f2 = new CompletableFuture<>();
1790	<	assertTrue(f2.cancel(true));
1791	<	g = f.applyToEitherAsync(f2, inc);
1792	<	checkCompletedWithWrappedCancellationException(g);
1793	<	}
1781	>	public void testThenCombine_actionFailed() {
1782	>	for (ExecutionMode m : ExecutionMode.values())
1783	>	for (boolean fFirst : new boolean[] { true, false })
1784	>	for (Integer v1 : new Integer[] { 1, null })
1785	>	for (Integer v2 : new Integer[] { 2, null })
1786	>	{
1787	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1788	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1789	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1790	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1791	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1792	>
1793	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1794	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1795	>	final Integer w1 =  fFirst ? v1 : v2;
1796	>	final Integer w2 = !fFirst ? v1 : v2;
1797	>
1798	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1799	>	assertTrue(fst.complete(w1));
1800	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1801	>	assertTrue(snd.complete(w2));
1802	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1803	>
1804	>	checkCompletedWithWrappedCFException(h1);
1805	>	checkCompletedWithWrappedCFException(h2);
1806	>	checkCompletedWithWrappedCFException(h3);
1807	>	r1.assertInvoked();
1808	>	r2.assertInvoked();
1809	>	r3.assertInvoked();
1810	>	checkCompletedNormally(f, v1);
1811	>	checkCompletedNormally(g, v2);
1812	>	}}
1813
1814		/**
1815	<	* acceptEitherAsync result completes normally after normal
1815	>	* thenAcceptBoth result completes normally after normal
1816		* completion of sources
1817		*/
1818	<	public void testAcceptEitherAsync() {
1819	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1820	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1821	<	IncAction r = new IncAction();
1822	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1823	<	f.complete(one);
1824	<	checkCompletedNormally(g, null);
1825	<	assertEquals(r.value, 2);
1826	<
1827	<	r = new IncAction();
1828	<	f = new CompletableFuture<>();
1829	<	f.complete(one);
1830	<	f2 = new CompletableFuture<>();
1831	<	g = f.acceptEitherAsync(f2, r);
1832	<	checkCompletedNormally(g, null);
1833	<	assertEquals(r.value, 2);
1834	<	}
1818	>	public void testThenAcceptBoth_normalCompletion() {
1819	>	for (ExecutionMode m : ExecutionMode.values())
1820	>	for (boolean fFirst : new boolean[] { true, false })
1821	>	for (Integer v1 : new Integer[] { 1, null })
1822	>	for (Integer v2 : new Integer[] { 2, null })
1823	>	{
1824	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1825	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1826	>	final SubtractAction r1 = new SubtractAction(m);
1827	>	final SubtractAction r2 = new SubtractAction(m);
1828	>	final SubtractAction r3 = new SubtractAction(m);
1829	>
1830	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1831	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1832	>	final Integer w1 =  fFirst ? v1 : v2;
1833	>	final Integer w2 = !fFirst ? v1 : v2;
1834	>
1835	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1836	>	assertTrue(fst.complete(w1));
1837	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1838	>	checkIncomplete(h1);
1839	>	checkIncomplete(h2);
1840	>	r1.assertNotInvoked();
1841	>	r2.assertNotInvoked();
1842	>	assertTrue(snd.complete(w2));
1843	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1844	>
1845	>	checkCompletedNormally(h1, null);
1846	>	checkCompletedNormally(h2, null);
1847	>	checkCompletedNormally(h3, null);
1848	>	r1.assertValue(subtract(v1, v2));
1849	>	r2.assertValue(subtract(v1, v2));
1850	>	r3.assertValue(subtract(v1, v2));
1851	>	checkCompletedNormally(f, v1);
1852	>	checkCompletedNormally(g, v2);
1853	>	}}
1854
1855		/**
1856	<	* acceptEitherAsync result completes exceptionally after exceptional
1857	<	* completion of source
1856	>	* thenAcceptBoth result completes exceptionally after exceptional
1857	>	* completion of either source
1858		*/
1859	<	public void testAcceptEitherAsync2() {
1860	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1861	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1862	<	IncAction r = new IncAction();
1863	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1864	<	f.completeExceptionally(new CFException());
1865	<	checkCompletedWithWrappedCFException(g);
1866	<
1867	<	r = new IncAction();
1868	<	f = new CompletableFuture<>();
1869	<	f2 = new CompletableFuture<>();
1870	<	f2.completeExceptionally(new CFException());
1871	<	g = f.acceptEitherAsync(f2, r);
1872	<	f.complete(one);
1873	<	checkCompletedWithWrappedCFException(g);
1874	<	}
1859	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1860	>	for (ExecutionMode m : ExecutionMode.values())
1861	>	for (boolean fFirst : new boolean[] { true, false })
1862	>	for (boolean failFirst : new boolean[] { true, false })
1863	>	for (Integer v1 : new Integer[] { 1, null })
1864	>	{
1865	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1866	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1867	>	final CFException ex = new CFException();
1868	>	final SubtractAction r1 = new SubtractAction(m);
1869	>	final SubtractAction r2 = new SubtractAction(m);
1870	>	final SubtractAction r3 = new SubtractAction(m);
1871	>
1872	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1873	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1874	>	final Callable<Boolean> complete1 = failFirst ?
1875	>	() -> fst.completeExceptionally(ex) :
1876	>	() -> fst.complete(v1);
1877	>	final Callable<Boolean> complete2 = failFirst ?
1878	>	() -> snd.complete(v1) :
1879	>	() -> snd.completeExceptionally(ex);
1880	>
1881	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1882	>	assertTrue(complete1.call());
1883	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1884	>	checkIncomplete(h1);
1885	>	checkIncomplete(h2);
1886	>	assertTrue(complete2.call());
1887	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1888	>
1889	>	checkCompletedWithWrappedException(h1, ex);
1890	>	checkCompletedWithWrappedException(h2, ex);
1891	>	checkCompletedWithWrappedException(h3, ex);
1892	>	r1.assertNotInvoked();
1893	>	r2.assertNotInvoked();
1894	>	r3.assertNotInvoked();
1895	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1896	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1897	>	}}
1898
1899		/**
1900	<	* acceptEitherAsync result completes exceptionally if action does
1900	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1901		*/
1902	<	public void testAcceptEitherAsync3() {
1903	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1904	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1905	<	FailingConsumer r = new FailingConsumer();
1906	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1907	<	f.complete(one);
1908	<	checkCompletedWithWrappedCFException(g);
1909	<	}
1902	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1903	>	for (ExecutionMode m : ExecutionMode.values())
1904	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1905	>	for (boolean fFirst : new boolean[] { true, false })
1906	>	for (boolean failFirst : new boolean[] { true, false })
1907	>	for (Integer v1 : new Integer[] { 1, null })
1908	>	{
1909	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1910	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1911	>	final SubtractAction r1 = new SubtractAction(m);
1912	>	final SubtractAction r2 = new SubtractAction(m);
1913	>	final SubtractAction r3 = new SubtractAction(m);
1914	>
1915	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1916	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1917	>	final Callable<Boolean> complete1 = failFirst ?
1918	>	() -> fst.cancel(mayInterruptIfRunning) :
1919	>	() -> fst.complete(v1);
1920	>	final Callable<Boolean> complete2 = failFirst ?
1921	>	() -> snd.complete(v1) :
1922	>	() -> snd.cancel(mayInterruptIfRunning);
1923	>
1924	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1925	>	assertTrue(complete1.call());
1926	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1927	>	checkIncomplete(h1);
1928	>	checkIncomplete(h2);
1929	>	assertTrue(complete2.call());
1930	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1931	>
1932	>	checkCompletedWithWrappedCancellationException(h1);
1933	>	checkCompletedWithWrappedCancellationException(h2);
1934	>	checkCompletedWithWrappedCancellationException(h3);
1935	>	r1.assertNotInvoked();
1936	>	r2.assertNotInvoked();
1937	>	r3.assertNotInvoked();
1938	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1939	>	checkCancelled(failFirst ? fst : snd);
1940	>	}}
1941
1942		/**
1943	<	* acceptEitherAsync result completes exceptionally if either
2121	<	* source cancelled
1943	>	* thenAcceptBoth result completes exceptionally if action does
1944		*/
1945	<	public void testAcceptEitherAsync4() {
1946	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1947	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1948	<	IncAction r = new IncAction();
1949	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1950	<	assertTrue(f.cancel(true));
1951	<	checkCompletedWithWrappedCancellationException(g);
1952	<
1953	<	r = new IncAction();
1954	<	f = new CompletableFuture<>();
1955	<	f2 = new CompletableFuture<>();
1956	<	assertTrue(f2.cancel(true));
1957	<	g = f.acceptEitherAsync(f2, r);
1958	<	checkCompletedWithWrappedCancellationException(g);
1959	<	}
1945	>	public void testThenAcceptBoth_actionFailed() {
1946	>	for (ExecutionMode m : ExecutionMode.values())
1947	>	for (boolean fFirst : new boolean[] { true, false })
1948	>	for (Integer v1 : new Integer[] { 1, null })
1949	>	for (Integer v2 : new Integer[] { 2, null })
1950	>	{
1951	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1952	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1953	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1954	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1955	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1956	>
1957	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1958	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1959	>	final Integer w1 =  fFirst ? v1 : v2;
1960	>	final Integer w2 = !fFirst ? v1 : v2;
1961	>
1962	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1963	>	assertTrue(fst.complete(w1));
1964	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1965	>	assertTrue(snd.complete(w2));
1966	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1967	>
1968	>	checkCompletedWithWrappedCFException(h1);
1969	>	checkCompletedWithWrappedCFException(h2);
1970	>	checkCompletedWithWrappedCFException(h3);
1971	>	r1.assertInvoked();
1972	>	r2.assertInvoked();
1973	>	r3.assertInvoked();
1974	>	checkCompletedNormally(f, v1);
1975	>	checkCompletedNormally(g, v2);
1976	>	}}
1977
1978		/**
1979	<	* runAfterEitherAsync result completes normally after normal
1979	>	* runAfterBoth result completes normally after normal
1980		* completion of sources
1981		*/
1982	<	public void testRunAfterEitherAsync() {
1983	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1984	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1985	<	Noop r = new Noop();
1986	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1987	<	f.complete(one);
1988	<	checkCompletedNormally(g, null);
1989	<	assertTrue(r.ran);
1990	<
1991	<	r = new Noop();
1992	<	f = new CompletableFuture<>();
1993	<	f.complete(one);
1994	<	f2 = new CompletableFuture<>();
1995	<	g = f.runAfterEitherAsync(f2, r);
1996	<	checkCompletedNormally(g, null);
1997	<	assertTrue(r.ran);
1998	<	}
1982	>	public void testRunAfterBoth_normalCompletion() {
1983	>	for (ExecutionMode m : ExecutionMode.values())
1984	>	for (boolean fFirst : new boolean[] { true, false })
1985	>	for (Integer v1 : new Integer[] { 1, null })
1986	>	for (Integer v2 : new Integer[] { 2, null })
1987	>	{
1988	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1989	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1990	>	final Noop r1 = new Noop(m);
1991	>	final Noop r2 = new Noop(m);
1992	>	final Noop r3 = new Noop(m);
1993	>
1994	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1995	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1996	>	final Integer w1 =  fFirst ? v1 : v2;
1997	>	final Integer w2 = !fFirst ? v1 : v2;
1998	>
1999	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2000	>	assertTrue(fst.complete(w1));
2001	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2002	>	checkIncomplete(h1);
2003	>	checkIncomplete(h2);
2004	>	r1.assertNotInvoked();
2005	>	r2.assertNotInvoked();
2006	>	assertTrue(snd.complete(w2));
2007	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2008	>
2009	>	checkCompletedNormally(h1, null);
2010	>	checkCompletedNormally(h2, null);
2011	>	checkCompletedNormally(h3, null);
2012	>	r1.assertInvoked();
2013	>	r2.assertInvoked();
2014	>	r3.assertInvoked();
2015	>	checkCompletedNormally(f, v1);
2016	>	checkCompletedNormally(g, v2);
2017	>	}}
2018
2019		/**
2020	<	* runAfterEitherAsync result completes exceptionally after exceptional
2021	<	* completion of source
2020	>	* runAfterBoth result completes exceptionally after exceptional
2021	>	* completion of either source
2022		*/
2023	<	public void testRunAfterEitherAsync2() {
2024	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2025	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2026	<	Noop r = new Noop();
2027	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2028	<	f.completeExceptionally(new CFException());
2029	<	checkCompletedWithWrappedCFException(g);
2030	<
2031	<	r = new Noop();
2032	<	f = new CompletableFuture<>();
2033	<	f2 = new CompletableFuture<>();
2034	<	f2.completeExceptionally(new CFException());
2035	<	g = f.runAfterEitherAsync(f2, r);
2036	<	f.complete(one);
2037	<	checkCompletedWithWrappedCFException(g);
2038	<	}
2023	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2024	>	for (ExecutionMode m : ExecutionMode.values())
2025	>	for (boolean fFirst : new boolean[] { true, false })
2026	>	for (boolean failFirst : new boolean[] { true, false })
2027	>	for (Integer v1 : new Integer[] { 1, null })
2028	>	{
2029	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2030	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2031	>	final CFException ex = new CFException();
2032	>	final Noop r1 = new Noop(m);
2033	>	final Noop r2 = new Noop(m);
2034	>	final Noop r3 = new Noop(m);
2035	>
2036	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2037	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2038	>	final Callable<Boolean> complete1 = failFirst ?
2039	>	() -> fst.completeExceptionally(ex) :
2040	>	() -> fst.complete(v1);
2041	>	final Callable<Boolean> complete2 = failFirst ?
2042	>	() -> snd.complete(v1) :
2043	>	() -> snd.completeExceptionally(ex);
2044	>
2045	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2046	>	assertTrue(complete1.call());
2047	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2048	>	checkIncomplete(h1);
2049	>	checkIncomplete(h2);
2050	>	assertTrue(complete2.call());
2051	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2052	>
2053	>	checkCompletedWithWrappedException(h1, ex);
2054	>	checkCompletedWithWrappedException(h2, ex);
2055	>	checkCompletedWithWrappedException(h3, ex);
2056	>	r1.assertNotInvoked();
2057	>	r2.assertNotInvoked();
2058	>	r3.assertNotInvoked();
2059	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2060	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2061	>	}}
2062
2063		/**
2064	<	* runAfterEitherAsync result completes exceptionally if action does
2064	>	* runAfterBoth result completes exceptionally if either source cancelled
2065		*/
2066	<	public void testRunAfterEitherAsync3() {
2067	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2068	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2069	<	FailingNoop r = new FailingNoop();
2070	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2071	<	f.complete(one);
2072	<	checkCompletedWithWrappedCFException(g);
2073	<	}
2066	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2067	>	for (ExecutionMode m : ExecutionMode.values())
2068	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2069	>	for (boolean fFirst : new boolean[] { true, false })
2070	>	for (boolean failFirst : new boolean[] { true, false })
2071	>	for (Integer v1 : new Integer[] { 1, null })
2072	>	{
2073	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2074	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2075	>	final Noop r1 = new Noop(m);
2076	>	final Noop r2 = new Noop(m);
2077	>	final Noop r3 = new Noop(m);
2078	>
2079	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2080	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2081	>	final Callable<Boolean> complete1 = failFirst ?
2082	>	() -> fst.cancel(mayInterruptIfRunning) :
2083	>	() -> fst.complete(v1);
2084	>	final Callable<Boolean> complete2 = failFirst ?
2085	>	() -> snd.complete(v1) :
2086	>	() -> snd.cancel(mayInterruptIfRunning);
2087	>
2088	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2089	>	assertTrue(complete1.call());
2090	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2091	>	checkIncomplete(h1);
2092	>	checkIncomplete(h2);
2093	>	assertTrue(complete2.call());
2094	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2095	>
2096	>	checkCompletedWithWrappedCancellationException(h1);
2097	>	checkCompletedWithWrappedCancellationException(h2);
2098	>	checkCompletedWithWrappedCancellationException(h3);
2099	>	r1.assertNotInvoked();
2100	>	r2.assertNotInvoked();
2101	>	r3.assertNotInvoked();
2102	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2103	>	checkCancelled(failFirst ? fst : snd);
2104	>	}}
2105
2106		/**
2107	<	* runAfterEitherAsync result completes exceptionally if either
2196	<	* source cancelled
2107	>	* runAfterBoth result completes exceptionally if action does
2108		*/
2109	<	public void testRunAfterEitherAsync4() {
2110	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2111	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2112	<	Noop r = new Noop();
2113	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
2114	<	assertTrue(f.cancel(true));
2115	<	checkCompletedWithWrappedCancellationException(g);
2116	<
2117	<	r = new Noop();
2118	<	f = new CompletableFuture<>();
2119	<	f2 = new CompletableFuture<>();
2120	<	assertTrue(f2.cancel(true));
2121	<	g = f.runAfterEitherAsync(f2, r);
2122	<	checkCompletedWithWrappedCancellationException(g);
2123	<	}
2109	>	public void testRunAfterBoth_actionFailed() {
2110	>	for (ExecutionMode m : ExecutionMode.values())
2111	>	for (boolean fFirst : new boolean[] { true, false })
2112	>	for (Integer v1 : new Integer[] { 1, null })
2113	>	for (Integer v2 : new Integer[] { 2, null })
2114	>	{
2115	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2116	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2117	>	final FailingRunnable r1 = new FailingRunnable(m);
2118	>	final FailingRunnable r2 = new FailingRunnable(m);
2119	>	final FailingRunnable r3 = new FailingRunnable(m);
2120	>
2121	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2122	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2123	>	final Integer w1 =  fFirst ? v1 : v2;
2124	>	final Integer w2 = !fFirst ? v1 : v2;
2125	>
2126	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2127	>	assertTrue(fst.complete(w1));
2128	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2129	>	assertTrue(snd.complete(w2));
2130	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2131	>
2132	>	checkCompletedWithWrappedCFException(h1);
2133	>	checkCompletedWithWrappedCFException(h2);
2134	>	checkCompletedWithWrappedCFException(h3);
2135	>	r1.assertInvoked();
2136	>	r2.assertInvoked();
2137	>	r3.assertInvoked();
2138	>	checkCompletedNormally(f, v1);
2139	>	checkCompletedNormally(g, v2);
2140	>	}}
2141
2142		/**
2143	<	* thenComposeAsync result completes normally after normal
2144	<	* completion of source
2143	>	* applyToEither result completes normally after normal completion
2144	>	* of either source
2145		*/
2146	<	public void testThenComposeAsync() {
2147	<	CompletableFuture<Integer> f, g;
2148	<	CompletableFutureInc r;
2149	<
2150	<	f = new CompletableFuture<>();
2151	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2152	<	f.complete(one);
2153	<	checkCompletedNormally(g, two);
2146	>	public void testApplyToEither_normalCompletion() {
2147	>	for (ExecutionMode m : ExecutionMode.values())
2148	>	for (Integer v1 : new Integer[] { 1, null })
2149	>	for (Integer v2 : new Integer[] { 2, null })
2150	>	{
2151	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2152	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2153	>	final IncFunction[] rs = new IncFunction[6];
2154	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2155
2156	<	f = new CompletableFuture<>();
2157	<	f.complete(one);
2158	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2159	<	checkCompletedNormally(g, two);
2160	<	}
2156	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2157	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2158	>	checkIncomplete(h0);
2159	>	checkIncomplete(h1);
2160	>	rs[0].assertNotInvoked();
2161	>	rs[1].assertNotInvoked();
2162	>	f.complete(v1);
2163	>	checkCompletedNormally(h0, inc(v1));
2164	>	checkCompletedNormally(h1, inc(v1));
2165	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2166	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2167	>	checkCompletedNormally(h2, inc(v1));
2168	>	checkCompletedNormally(h3, inc(v1));
2169	>	g.complete(v2);
2170
2171	<	/**
2172	<	* thenComposeAsync result completes exceptionally after
2173	<	* exceptional completion of source
2174	<	*/
2175	<	public void testThenComposeAsync2() {
2176	<	CompletableFuture<Integer> f, g;
2177	<	CompletableFutureInc r;
2171	>	// unspecified behavior - both source completions available
2172	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2173	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2174	>	rs[4].assertValue(h4.join());
2175	>	rs[5].assertValue(h5.join());
2176	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2177	>	Objects.equals(inc(v2), h4.join()));
2178	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2179	>	Objects.equals(inc(v2), h5.join()));
2180
2181	<	f = new CompletableFuture<>();
2182	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2183	<	f.completeExceptionally(new CFException());
2184	<	checkCompletedWithWrappedCFException(g);
2185	<	assertFalse(r.ran);
2186	<
2187	<	f = new CompletableFuture<>();
2188	<	f.completeExceptionally(new CFException());
2249	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2250	<	checkCompletedWithWrappedCFException(g);
2251	<	assertFalse(r.ran);
2252	<	}
2181	>	checkCompletedNormally(f, v1);
2182	>	checkCompletedNormally(g, v2);
2183	>	checkCompletedNormally(h0, inc(v1));
2184	>	checkCompletedNormally(h1, inc(v1));
2185	>	checkCompletedNormally(h2, inc(v1));
2186	>	checkCompletedNormally(h3, inc(v1));
2187	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2188	>	}}
2189
2190		/**
2191	<	* thenComposeAsync result completes exceptionally if action does
2191	>	* applyToEither result completes exceptionally after exceptional
2192	>	* completion of either source
2193		*/
2194	<	public void testThenComposeAsync3() {
2195	<	CompletableFuture<Integer> f, g;
2196	<	FailingCompletableFutureFunction r;
2197	<
2198	<	f = new CompletableFuture<>();
2199	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2200	<	f.complete(one);
2201	<	checkCompletedWithWrappedCFException(g);
2194	>	public void testApplyToEither_exceptionalCompletion() {
2195	>	for (ExecutionMode m : ExecutionMode.values())
2196	>	for (Integer v1 : new Integer[] { 1, null })
2197	>	{
2198	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2199	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2200	>	final CFException ex = new CFException();
2201	>	final IncFunction[] rs = new IncFunction[6];
2202	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2203
2204	<	f = new CompletableFuture<>();
2205	<	f.complete(one);
2206	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
2207	<	checkCompletedWithWrappedCFException(g);
2208	<	}
2204	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2205	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2206	>	checkIncomplete(h0);
2207	>	checkIncomplete(h1);
2208	>	rs[0].assertNotInvoked();
2209	>	rs[1].assertNotInvoked();
2210	>	f.completeExceptionally(ex);
2211	>	checkCompletedWithWrappedException(h0, ex);
2212	>	checkCompletedWithWrappedException(h1, ex);
2213	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2214	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2215	>	checkCompletedWithWrappedException(h2, ex);
2216	>	checkCompletedWithWrappedException(h3, ex);
2217	>	g.complete(v1);
2218
2219	<	/**
2220	<	* thenComposeAsync result completes exceptionally if source cancelled
2221	<	*/
2222	<	public void testThenComposeAsync4() {
2223	<	CompletableFuture<Integer> f, g;
2224	<	CompletableFutureInc r;
2219	>	// unspecified behavior - both source completions available
2220	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2221	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2222	>	try {
2223	>	assertEquals(inc(v1), h4.join());
2224	>	rs[4].assertValue(inc(v1));
2225	>	} catch (CompletionException ok) {
2226	>	checkCompletedWithWrappedException(h4, ex);
2227	>	rs[4].assertNotInvoked();
2228	>	}
2229	>	try {
2230	>	assertEquals(inc(v1), h5.join());
2231	>	rs[5].assertValue(inc(v1));
2232	>	} catch (CompletionException ok) {
2233	>	checkCompletedWithWrappedException(h5, ex);
2234	>	rs[5].assertNotInvoked();
2235	>	}
2236
2237	<	f = new CompletableFuture<>();
2238	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2239	<	assertTrue(f.cancel(true));
2240	<	checkCompletedWithWrappedCancellationException(g);
2237	>	checkCompletedExceptionally(f, ex);
2238	>	checkCompletedNormally(g, v1);
2239	>	checkCompletedWithWrappedException(h0, ex);
2240	>	checkCompletedWithWrappedException(h1, ex);
2241	>	checkCompletedWithWrappedException(h2, ex);
2242	>	checkCompletedWithWrappedException(h3, ex);
2243	>	checkCompletedWithWrappedException(h4, ex);
2244	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2245	>	}}
2246	>
2247	>	public void testApplyToEither_exceptionalCompletion2() {
2248	>	for (ExecutionMode m : ExecutionMode.values())
2249	>	for (boolean fFirst : new boolean[] { true, false })
2250	>	for (Integer v1 : new Integer[] { 1, null })
2251	>	{
2252	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2253	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2254	>	final CFException ex = new CFException();
2255	>	final IncFunction[] rs = new IncFunction[6];
2256	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2257
2258	<	f = new CompletableFuture<>();
2259	<	assertTrue(f.cancel(true));
2260	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2261	<	checkCompletedWithWrappedCancellationException(g);
2262	<	}
2258	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2259	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2260	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2261	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2262	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2263	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2264	>
2265	>	// unspecified behavior - both source completions available
2266	>	try {
2267	>	assertEquals(inc(v1), h0.join());
2268	>	rs[0].assertValue(inc(v1));
2269	>	} catch (CompletionException ok) {
2270	>	checkCompletedWithWrappedException(h0, ex);
2271	>	rs[0].assertNotInvoked();
2272	>	}
2273	>	try {
2274	>	assertEquals(inc(v1), h1.join());
2275	>	rs[1].assertValue(inc(v1));
2276	>	} catch (CompletionException ok) {
2277	>	checkCompletedWithWrappedException(h1, ex);
2278	>	rs[1].assertNotInvoked();
2279	>	}
2280	>	try {
2281	>	assertEquals(inc(v1), h2.join());
2282	>	rs[2].assertValue(inc(v1));
2283	>	} catch (CompletionException ok) {
2284	>	checkCompletedWithWrappedException(h2, ex);
2285	>	rs[2].assertNotInvoked();
2286	>	}
2287	>	try {
2288	>	assertEquals(inc(v1), h3.join());
2289	>	rs[3].assertValue(inc(v1));
2290	>	} catch (CompletionException ok) {
2291	>	checkCompletedWithWrappedException(h3, ex);
2292	>	rs[3].assertNotInvoked();
2293	>	}
2294
2295	<	// async with explicit executors
2295	>	checkCompletedNormally(f, v1);
2296	>	checkCompletedExceptionally(g, ex);
2297	>	}}
2298
2299		/**
2300	<	* thenRunAsync result completes normally after normal completion of source
2300	>	* applyToEither result completes exceptionally if either source cancelled
2301		*/
2302	<	public void testThenRunAsyncE() {
2303	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2304	<	Noop r = new Noop();
2305	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2306	<	f.complete(null);
2307	<	checkCompletedNormally(g, null);
2308	<
2309	<	// reordered version
2310	<	f = new CompletableFuture<>();
2304	<	f.complete(null);
2305	<	r = new Noop();
2306	<	g = f.thenRunAsync(r, new ThreadExecutor());
2307	<	checkCompletedNormally(g, null);
2308	<	}
2302	>	public void testApplyToEither_sourceCancelled() {
2303	>	for (ExecutionMode m : ExecutionMode.values())
2304	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2305	>	for (Integer v1 : new Integer[] { 1, null })
2306	>	{
2307	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2308	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2309	>	final IncFunction[] rs = new IncFunction[6];
2310	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2311
2312	<	/**
2313	<	* thenRunAsync result completes exceptionally after exceptional
2314	<	* completion of source
2315	<	*/
2316	<	public void testThenRunAsync2E() {
2317	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2318	<	Noop r = new Noop();
2319	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2320	<	f.completeExceptionally(new CFException());
2321	<	try {
2322	<	g.join();
2323	<	shouldThrow();
2324	<	} catch (CompletionException success) {}
2325	<	checkCompletedWithWrappedCFException(g);
2324	<	}
2312	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2313	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2314	>	checkIncomplete(h0);
2315	>	checkIncomplete(h1);
2316	>	rs[0].assertNotInvoked();
2317	>	rs[1].assertNotInvoked();
2318	>	f.cancel(mayInterruptIfRunning);
2319	>	checkCompletedWithWrappedCancellationException(h0);
2320	>	checkCompletedWithWrappedCancellationException(h1);
2321	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2322	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2323	>	checkCompletedWithWrappedCancellationException(h2);
2324	>	checkCompletedWithWrappedCancellationException(h3);
2325	>	g.complete(v1);
2326
2327	<	/**
2328	<	* thenRunAsync result completes exceptionally if action does
2329	<	*/
2330	<	public void testThenRunAsync3E() {
2331	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2332	<	FailingNoop r = new FailingNoop();
2333	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2334	<	f.complete(null);
2335	<	checkCompletedWithWrappedCFException(g);
2336	<	}
2327	>	// unspecified behavior - both source completions available
2328	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2329	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2330	>	try {
2331	>	assertEquals(inc(v1), h4.join());
2332	>	rs[4].assertValue(inc(v1));
2333	>	} catch (CompletionException ok) {
2334	>	checkCompletedWithWrappedCancellationException(h4);
2335	>	rs[4].assertNotInvoked();
2336	>	}
2337	>	try {
2338	>	assertEquals(inc(v1), h5.join());
2339	>	rs[5].assertValue(inc(v1));
2340	>	} catch (CompletionException ok) {
2341	>	checkCompletedWithWrappedCancellationException(h5);
2342	>	rs[5].assertNotInvoked();
2343	>	}
2344
2345	<	/**
2346	<	* thenRunAsync result completes exceptionally if source cancelled
2347	<	*/
2348	<	public void testThenRunAsync4E() {
2349	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2350	<	Noop r = new Noop();
2351	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2352	<	assertTrue(f.cancel(true));
2345	<	checkCompletedWithWrappedCancellationException(g);
2346	<	}
2345	>	checkCancelled(f);
2346	>	checkCompletedNormally(g, v1);
2347	>	checkCompletedWithWrappedCancellationException(h0);
2348	>	checkCompletedWithWrappedCancellationException(h1);
2349	>	checkCompletedWithWrappedCancellationException(h2);
2350	>	checkCompletedWithWrappedCancellationException(h3);
2351	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2352	>	}}
2353
2354	<	/**
2355	<	* thenApplyAsync result completes normally after normal completion of source
2356	<	*/
2357	<	public void testThenApplyAsyncE() {
2358	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2359	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2360	<	f.complete(one);
2361	<	checkCompletedNormally(g, two);
2362	<	}
2354	>	public void testApplyToEither_sourceCancelled2() {
2355	>	for (ExecutionMode m : ExecutionMode.values())
2356	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2357	>	for (boolean fFirst : new boolean[] { true, false })
2358	>	for (Integer v1 : new Integer[] { 1, null })
2359	>	{
2360	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2361	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2362	>	final IncFunction[] rs = new IncFunction[6];
2363	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2364
2365	<	/**
2366	<	* thenApplyAsync result completes exceptionally after exceptional
2367	<	* completion of source
2368	<	*/
2369	<	public void testThenApplyAsync2E() {
2370	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2371	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2372	<	f.completeExceptionally(new CFException());
2373	<	checkCompletedWithWrappedCFException(g);
2374	<	}
2365	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2366	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2367	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2368	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2369	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2370	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2371	>
2372	>	// unspecified behavior - both source completions available
2373	>	try {
2374	>	assertEquals(inc(v1), h0.join());
2375	>	rs[0].assertValue(inc(v1));
2376	>	} catch (CompletionException ok) {
2377	>	checkCompletedWithWrappedCancellationException(h0);
2378	>	rs[0].assertNotInvoked();
2379	>	}
2380	>	try {
2381	>	assertEquals(inc(v1), h1.join());
2382	>	rs[1].assertValue(inc(v1));
2383	>	} catch (CompletionException ok) {
2384	>	checkCompletedWithWrappedCancellationException(h1);
2385	>	rs[1].assertNotInvoked();
2386	>	}
2387	>	try {
2388	>	assertEquals(inc(v1), h2.join());
2389	>	rs[2].assertValue(inc(v1));
2390	>	} catch (CompletionException ok) {
2391	>	checkCompletedWithWrappedCancellationException(h2);
2392	>	rs[2].assertNotInvoked();
2393	>	}
2394	>	try {
2395	>	assertEquals(inc(v1), h3.join());
2396	>	rs[3].assertValue(inc(v1));
2397	>	} catch (CompletionException ok) {
2398	>	checkCompletedWithWrappedCancellationException(h3);
2399	>	rs[3].assertNotInvoked();
2400	>	}
2401
2402	<	/**
2403	<	* thenApplyAsync result completes exceptionally if action does
2404	<	*/
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	<	}
2402	>	checkCompletedNormally(f, v1);
2403	>	checkCancelled(g);
2404	>	}}
2405
2406		/**
2407	<	* thenApplyAsync result completes exceptionally if source cancelled
2407	>	* applyToEither result completes exceptionally if action does
2408		*/
2409	<	public void testThenApplyAsync4E() {
2410	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2411	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2412	<	assertTrue(f.cancel(true));
2413	<	checkCompletedWithWrappedCancellationException(g);
2414	<	}
2409	>	public void testApplyToEither_actionFailed() {
2410	>	for (ExecutionMode m : ExecutionMode.values())
2411	>	for (Integer v1 : new Integer[] { 1, null })
2412	>	for (Integer v2 : new Integer[] { 2, null })
2413	>	{
2414	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2415	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2416	>	final FailingFunction[] rs = new FailingFunction[6];
2417	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2418
2419	<	/**
2420	<	* thenAcceptAsync result completes normally after normal
2421	<	* completion of source
2422	<	*/
2423	<	public void testThenAcceptAsyncE() {
2424	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2425	<	IncAction r = new IncAction();
2426	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2427	<	f.complete(one);
2428	<	checkCompletedNormally(g, null);
2400	<	assertEquals(r.value, 2);
2401	<	}
2419	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2420	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2421	>	f.complete(v1);
2422	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2423	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2424	>	checkCompletedWithWrappedCFException(h0);
2425	>	checkCompletedWithWrappedCFException(h1);
2426	>	checkCompletedWithWrappedCFException(h2);
2427	>	checkCompletedWithWrappedCFException(h3);
2428	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2429
2430	<	/**
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	<	}
2430	>	g.complete(v2);
2431
2432	<	/**
2433	<	* thenAcceptAsync result completes exceptionally if action does
2434	<	*/
2435	<	public void testThenAcceptAsync3E() {
2436	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2437	<	FailingConsumer r = new FailingConsumer();
2438	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2439	<	f.complete(null);
2440	<	checkCompletedWithWrappedCFException(g);
2441	<	}
2432	>	// unspecified behavior - both source completions available
2433	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2434	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2435	>
2436	>	checkCompletedWithWrappedCFException(h4);
2437	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2438	>	Objects.equals(v2, rs[4].value));
2439	>	checkCompletedWithWrappedCFException(h5);
2440	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2441	>	Objects.equals(v2, rs[5].value));
2442
2443	<	/**
2444	<	* thenAcceptAsync result completes exceptionally if source cancelled
2445	<	*/
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	<	}
2443	>	checkCompletedNormally(f, v1);
2444	>	checkCompletedNormally(g, v2);
2445	>	}}
2446
2447		/**
2448	<	* thenCombineAsync result completes normally after normal
2449	<	* completion of sources
2448	>	* acceptEither result completes normally after normal completion
2449	>	* of either source
2450		*/
2451	<	public void testThenCombineAsyncE() {
2452	<	CompletableFuture<Integer> f, g, h;
2453	<	ThreadExecutor e = new ThreadExecutor();
2454	<	int count = 0;
2451	>	public void testAcceptEither_normalCompletion() {
2452	>	for (ExecutionMode m : ExecutionMode.values())
2453	>	for (Integer v1 : new Integer[] { 1, null })
2454	>	for (Integer v2 : new Integer[] { 2, null })
2455	>	{
2456	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2457	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2458	>	final NoopConsumer[] rs = new NoopConsumer[6];
2459	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2460
2461	<	f = new CompletableFuture<>();
2462	<	g = new CompletableFuture<>();
2463	<	h = f.thenCombineAsync(g, subtract, e);
2464	<	f.complete(3);
2465	<	checkIncomplete(h);
2466	<	g.complete(1);
2467	<	checkCompletedNormally(h, 2);
2468	<	assertEquals(++count, e.count.get());
2461	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2462	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2463	>	checkIncomplete(h0);
2464	>	checkIncomplete(h1);
2465	>	rs[0].assertNotInvoked();
2466	>	rs[1].assertNotInvoked();
2467	>	f.complete(v1);
2468	>	checkCompletedNormally(h0, null);
2469	>	checkCompletedNormally(h1, null);
2470	>	rs[0].assertValue(v1);
2471	>	rs[1].assertValue(v1);
2472	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2473	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2474	>	checkCompletedNormally(h2, null);
2475	>	checkCompletedNormally(h3, null);
2476	>	rs[2].assertValue(v1);
2477	>	rs[3].assertValue(v1);
2478	>	g.complete(v2);
2479
2480	<	f = new CompletableFuture<>();
2481	<	g = new CompletableFuture<>();
2482	<	h = f.thenCombineAsync(g, subtract, e);
2483	<	g.complete(1);
2484	<	checkIncomplete(h);
2485	<	f.complete(3);
2486	<	checkCompletedNormally(h, 2);
2487	<	assertEquals(++count, e.count.get());
2480	>	// unspecified behavior - both source completions available
2481	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2482	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2483	>	checkCompletedNormally(h4, null);
2484	>	checkCompletedNormally(h5, null);
2485	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2486	>	Objects.equals(v2, rs[4].value));
2487	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2488	>	Objects.equals(v2, rs[5].value));
2489
2490	<	f = new CompletableFuture<>();
2491	<	g = new CompletableFuture<>();
2492	<	g.complete(1);
2493	<	f.complete(3);
2494	<	h = f.thenCombineAsync(g, subtract, e);
2495	<	checkCompletedNormally(h, 2);
2496	<	assertEquals(++count, e.count.get());
2497	<	}
2490	>	checkCompletedNormally(f, v1);
2491	>	checkCompletedNormally(g, v2);
2492	>	checkCompletedNormally(h0, null);
2493	>	checkCompletedNormally(h1, null);
2494	>	checkCompletedNormally(h2, null);
2495	>	checkCompletedNormally(h3, null);
2496	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2497	>	}}
2498
2499		/**
2500	<	* thenCombineAsync result completes exceptionally after exceptional
2500	>	* acceptEither result completes exceptionally after exceptional
2501		* completion of either source
2502		*/
2503	<	public void testThenCombineAsync2E() {
2504	<	CompletableFuture<Integer> f, g, h;
2505	<	ThreadExecutor e = new ThreadExecutor();
2506	<	int count = 0;
2507	<
2508	<	f = new CompletableFuture<>();
2509	<	g = new CompletableFuture<>();
2510	<	h = f.thenCombineAsync(g, subtract, e);
2511	<	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	<	}
2503	>	public void testAcceptEither_exceptionalCompletion() {
2504	>	for (ExecutionMode m : ExecutionMode.values())
2505	>	for (Integer v1 : new Integer[] { 1, null })
2506	>	{
2507	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2508	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2509	>	final CFException ex = new CFException();
2510	>	final NoopConsumer[] rs = new NoopConsumer[6];
2511	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2512
2513	<	/**
2514	<	* thenCombineAsync result completes exceptionally if either source cancelled
2515	<	*/
2516	<	public void testThenCombineAsync4E() {
2517	<	CompletableFuture<Integer> f, g, h;
2518	<	ThreadExecutor e = new ThreadExecutor();
2513	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2514	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2515	>	checkIncomplete(h0);
2516	>	checkIncomplete(h1);
2517	>	rs[0].assertNotInvoked();
2518	>	rs[1].assertNotInvoked();
2519	>	f.completeExceptionally(ex);
2520	>	checkCompletedWithWrappedException(h0, ex);
2521	>	checkCompletedWithWrappedException(h1, ex);
2522	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2523	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2524	>	checkCompletedWithWrappedException(h2, ex);
2525	>	checkCompletedWithWrappedException(h3, ex);
2526
2527	<	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);
2527	>	g.complete(v1);
2528
2529	<	f = new CompletableFuture<>();
2530	<	g = new CompletableFuture<>();
2531	<	h = f.thenCombineAsync(g, subtract, e);
2532	<	assertTrue(g.cancel(true));
2533	<	checkIncomplete(h);
2534	<	f.complete(3);
2535	<	checkCompletedWithWrappedCancellationException(h);
2529	>	// unspecified behavior - both source completions available
2530	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2531	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2532	>	try {
2533	>	assertNull(h4.join());
2534	>	rs[4].assertValue(v1);
2535	>	} catch (CompletionException ok) {
2536	>	checkCompletedWithWrappedException(h4, ex);
2537	>	rs[4].assertNotInvoked();
2538	>	}
2539	>	try {
2540	>	assertNull(h5.join());
2541	>	rs[5].assertValue(v1);
2542	>	} catch (CompletionException ok) {
2543	>	checkCompletedWithWrappedException(h5, ex);
2544	>	rs[5].assertNotInvoked();
2545	>	}
2546
2547	<	f = new CompletableFuture<>();
2548	<	g = new CompletableFuture<>();
2549	<	assertTrue(g.cancel(true));
2550	<	h = f.thenCombineAsync(g, subtract, e);
2551	<	checkIncomplete(h);
2552	<	f.complete(3);
2553	<	checkCompletedWithWrappedCancellationException(h);
2547	>	checkCompletedExceptionally(f, ex);
2548	>	checkCompletedNormally(g, v1);
2549	>	checkCompletedWithWrappedException(h0, ex);
2550	>	checkCompletedWithWrappedException(h1, ex);
2551	>	checkCompletedWithWrappedException(h2, ex);
2552	>	checkCompletedWithWrappedException(h3, ex);
2553	>	checkCompletedWithWrappedException(h4, ex);
2554	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2555	>	}}
2556	>
2557	>	public void testAcceptEither_exceptionalCompletion2() {
2558	>	for (ExecutionMode m : ExecutionMode.values())
2559	>	for (boolean fFirst : new boolean[] { true, false })
2560	>	for (Integer v1 : new Integer[] { 1, null })
2561	>	{
2562	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2563	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2564	>	final CFException ex = new CFException();
2565	>	final NoopConsumer[] rs = new NoopConsumer[6];
2566	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2567
2568	<	f = new CompletableFuture<>();
2569	<	g = new CompletableFuture<>();
2570	<	assertTrue(f.cancel(true));
2571	<	assertTrue(g.cancel(true));
2572	<	h = f.thenCombineAsync(g, subtract, e);
2573	<	checkCompletedWithWrappedCancellationException(h);
2568	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2569	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2570	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2571	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2572	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2573	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2574	>
2575	>	// unspecified behavior - both source completions available
2576	>	try {
2577	>	assertEquals(null, h0.join());
2578	>	rs[0].assertValue(v1);
2579	>	} catch (CompletionException ok) {
2580	>	checkCompletedWithWrappedException(h0, ex);
2581	>	rs[0].assertNotInvoked();
2582	>	}
2583	>	try {
2584	>	assertEquals(null, h1.join());
2585	>	rs[1].assertValue(v1);
2586	>	} catch (CompletionException ok) {
2587	>	checkCompletedWithWrappedException(h1, ex);
2588	>	rs[1].assertNotInvoked();
2589	>	}
2590	>	try {
2591	>	assertEquals(null, h2.join());
2592	>	rs[2].assertValue(v1);
2593	>	} catch (CompletionException ok) {
2594	>	checkCompletedWithWrappedException(h2, ex);
2595	>	rs[2].assertNotInvoked();
2596	>	}
2597	>	try {
2598	>	assertEquals(null, h3.join());
2599	>	rs[3].assertValue(v1);
2600	>	} catch (CompletionException ok) {
2601	>	checkCompletedWithWrappedException(h3, ex);
2602	>	rs[3].assertNotInvoked();
2603	>	}
2604
2605	<	assertEquals(0, e.count.get());
2606	<	}
2605	>	checkCompletedNormally(f, v1);
2606	>	checkCompletedExceptionally(g, ex);
2607	>	}}
2608
2609		/**
2610	<	* thenAcceptBothAsync result completes normally after normal
2568	<	* completion of sources
2610	>	* acceptEither result completes exceptionally if either source cancelled
2611		*/
2612	<	public void testThenAcceptBothAsyncE() {
2613	<	CompletableFuture<Integer> f, g;
2614	<	CompletableFuture<Void> h;
2615	<	SubtractAction r;
2616	<	ThreadExecutor e = new ThreadExecutor();
2612	>	public void testAcceptEither_sourceCancelled() {
2613	>	for (ExecutionMode m : ExecutionMode.values())
2614	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2615	>	for (Integer v1 : new Integer[] { 1, null })
2616	>	{
2617	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2618	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2619	>	final NoopConsumer[] rs = new NoopConsumer[6];
2620	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2621
2622	<	f = new CompletableFuture<>();
2623	<	g = new CompletableFuture<>();
2624	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2625	<	f.complete(3);
2626	<	checkIncomplete(h);
2627	<	g.complete(1);
2628	<	checkCompletedNormally(h, null);
2629	<	assertEquals(r.value, 2);
2622	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2623	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2624	>	checkIncomplete(h0);
2625	>	checkIncomplete(h1);
2626	>	rs[0].assertNotInvoked();
2627	>	rs[1].assertNotInvoked();
2628	>	f.cancel(mayInterruptIfRunning);
2629	>	checkCompletedWithWrappedCancellationException(h0);
2630	>	checkCompletedWithWrappedCancellationException(h1);
2631	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2632	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2633	>	checkCompletedWithWrappedCancellationException(h2);
2634	>	checkCompletedWithWrappedCancellationException(h3);
2635
2636	<	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);
2636	>	g.complete(v1);
2637
2638	<	f = new CompletableFuture<>();
2639	<	g = new CompletableFuture<>();
2640	<	g.complete(1);
2641	<	f.complete(3);
2642	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2643	<	checkCompletedNormally(h, null);
2644	<	assertEquals(r.value, 2);
2638	>	// unspecified behavior - both source completions available
2639	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2640	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2641	>	try {
2642	>	assertNull(h4.join());
2643	>	rs[4].assertValue(v1);
2644	>	} catch (CompletionException ok) {
2645	>	checkCompletedWithWrappedCancellationException(h4);
2646	>	rs[4].assertNotInvoked();
2647	>	}
2648	>	try {
2649	>	assertNull(h5.join());
2650	>	rs[5].assertValue(v1);
2651	>	} catch (CompletionException ok) {
2652	>	checkCompletedWithWrappedCancellationException(h5);
2653	>	rs[5].assertNotInvoked();
2654	>	}
2655
2656	<	assertEquals(3, e.count.get());
2657	<	}
2656	>	checkCancelled(f);
2657	>	checkCompletedNormally(g, v1);
2658	>	checkCompletedWithWrappedCancellationException(h0);
2659	>	checkCompletedWithWrappedCancellationException(h1);
2660	>	checkCompletedWithWrappedCancellationException(h2);
2661	>	checkCompletedWithWrappedCancellationException(h3);
2662	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2663	>	}}
2664
2665		/**
2666	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2607	<	* completion of source
2666	>	* acceptEither result completes exceptionally if action does
2667		*/
2668	<	public void testThenAcceptBothAsync2E() {
2669	<	CompletableFuture<Integer> f, g;
2670	<	CompletableFuture<Void> h;
2671	<	SubtractAction r;
2672	<	ThreadExecutor e = new ThreadExecutor();
2673	<
2674	<	f = new CompletableFuture<>();
2675	<	g = new CompletableFuture<>();
2676	<	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	<	}
2668	>	public void testAcceptEither_actionFailed() {
2669	>	for (ExecutionMode m : ExecutionMode.values())
2670	>	for (Integer v1 : new Integer[] { 1, null })
2671	>	for (Integer v2 : new Integer[] { 2, null })
2672	>	{
2673	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2674	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2675	>	final FailingConsumer[] rs = new FailingConsumer[6];
2676	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2677
2678	<	/**
2679	<	* thenAcceptBothAsync result completes exceptionally if action does
2680	<	*/
2681	<	public void testThenAcceptBothAsync3E() {
2682	<	CompletableFuture<Integer> f, g;
2683	<	CompletableFuture<Void> h;
2684	<	FailingBiConsumer r;
2685	<	ThreadExecutor e = new ThreadExecutor();
2678	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2679	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2680	>	f.complete(v1);
2681	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2682	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2683	>	checkCompletedWithWrappedCFException(h0);
2684	>	checkCompletedWithWrappedCFException(h1);
2685	>	checkCompletedWithWrappedCFException(h2);
2686	>	checkCompletedWithWrappedCFException(h3);
2687	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2688
2689	<	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);
2689	>	g.complete(v2);
2690
2691	<	f = new CompletableFuture<>();
2692	<	g = new CompletableFuture<>();
2693	<	f.complete(3);
2694	<	g.complete(1);
2695	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2696	<	checkCompletedWithWrappedCFException(h);
2691	>	// unspecified behavior - both source completions available
2692	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2693	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2694	>
2695	>	checkCompletedWithWrappedCFException(h4);
2696	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2697	>	Objects.equals(v2, rs[4].value));
2698	>	checkCompletedWithWrappedCFException(h5);
2699	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2700	>	Objects.equals(v2, rs[5].value));
2701
2702	<	assertEquals(2, e.count.get());
2703	<	}
2702	>	checkCompletedNormally(f, v1);
2703	>	checkCompletedNormally(g, v2);
2704	>	}}
2705
2706		/**
2707	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2707	>	* runAfterEither result completes normally after normal completion
2708	>	* of either source
2709		*/
2710	<	public void testThenAcceptBothAsync4E() {
2711	<	CompletableFuture<Integer> f, g;
2712	<	CompletableFuture<Void> h;
2713	<	SubtractAction r;
2714	<	ThreadExecutor e = new ThreadExecutor();
2715	<
2716	<	f = new CompletableFuture<>();
2717	<	g = new CompletableFuture<>();
2718	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2687	<	assertTrue(f.cancel(true));
2688	<	checkIncomplete(h);
2689	<	g.complete(1);
2690	<	checkCompletedWithWrappedCancellationException(h);
2710	>	public void testRunAfterEither_normalCompletion() {
2711	>	for (ExecutionMode m : ExecutionMode.values())
2712	>	for (Integer v1 : new Integer[] { 1, null })
2713	>	for (Integer v2 : new Integer[] { 2, null })
2714	>	{
2715	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2716	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2717	>	final Noop[] rs = new Noop[6];
2718	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2719
2720	<	f = new CompletableFuture<>();
2721	<	g = new CompletableFuture<>();
2722	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2723	<	assertTrue(g.cancel(true));
2724	<	checkIncomplete(h);
2725	<	f.complete(3);
2726	<	checkCompletedWithWrappedCancellationException(h);
2720	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2721	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2722	>	checkIncomplete(h0);
2723	>	checkIncomplete(h1);
2724	>	rs[0].assertNotInvoked();
2725	>	rs[1].assertNotInvoked();
2726	>	f.complete(v1);
2727	>	checkCompletedNormally(h0, null);
2728	>	checkCompletedNormally(h1, null);
2729	>	rs[0].assertInvoked();
2730	>	rs[1].assertInvoked();
2731	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2732	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2733	>	checkCompletedNormally(h2, null);
2734	>	checkCompletedNormally(h3, null);
2735	>	rs[2].assertInvoked();
2736	>	rs[3].assertInvoked();
2737
2738	<	f = new CompletableFuture<>();
2701	<	g = new CompletableFuture<>();
2702	<	f.complete(3);
2703	<	assertTrue(g.cancel(true));
2704	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2705	<	checkCompletedWithWrappedCancellationException(h);
2738	>	g.complete(v2);
2739
2740	<	f = new CompletableFuture<>();
2741	<	g = new CompletableFuture<>();
2709	<	assertTrue(f.cancel(true));
2710	<	g.complete(3);
2711	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2712	<	checkCompletedWithWrappedCancellationException(h);
2740	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2741	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2742
2743	<	assertEquals(0, e.count.get());
2744	<	}
2745	<
2746	<	/**
2747	<	* runAfterBothAsync result completes normally after normal
2748	<	* completion of sources
2749	<	*/
2750	<	public void testRunAfterBothAsyncE() {
2751	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2752	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2724	<	Noop r = new Noop();
2725	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2726	<	f.complete(one);
2727	<	checkIncomplete(g);
2728	<	f2.complete(two);
2729	<	checkCompletedNormally(g, null);
2730	<	assertTrue(r.ran);
2731	<	}
2743	>	checkCompletedNormally(f, v1);
2744	>	checkCompletedNormally(g, v2);
2745	>	checkCompletedNormally(h0, null);
2746	>	checkCompletedNormally(h1, null);
2747	>	checkCompletedNormally(h2, null);
2748	>	checkCompletedNormally(h3, null);
2749	>	checkCompletedNormally(h4, null);
2750	>	checkCompletedNormally(h5, null);
2751	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2752	>	}}
2753
2754		/**
2755	<	* runAfterBothAsync result completes exceptionally after exceptional
2756	<	* completion of source
2755	>	* runAfterEither result completes exceptionally after exceptional
2756	>	* completion of either source
2757		*/
2758	<	public void testRunAfterBothAsync2E() {
2759	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2760	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2761	<	Noop r = new Noop();
2762	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2763	<	f.completeExceptionally(new CFException());
2764	<	f2.complete(two);
2765	<	checkCompletedWithWrappedCFException(g);
2758	>	public void testRunAfterEither_exceptionalCompletion() {
2759	>	for (ExecutionMode m : ExecutionMode.values())
2760	>	for (Integer v1 : new Integer[] { 1, null })
2761	>	{
2762	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2763	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2764	>	final CFException ex = new CFException();
2765	>	final Noop[] rs = new Noop[6];
2766	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2767
2768	<	r = new Noop();
2769	<	f = new CompletableFuture<>();
2770	<	f2 = new CompletableFuture<>();
2771	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2772	<	f.complete(one);
2773	<	f2.completeExceptionally(new CFException());
2774	<	checkCompletedWithWrappedCFException(g);
2775	<	}
2768	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2769	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2770	>	checkIncomplete(h0);
2771	>	checkIncomplete(h1);
2772	>	rs[0].assertNotInvoked();
2773	>	rs[1].assertNotInvoked();
2774	>	assertTrue(f.completeExceptionally(ex));
2775	>	checkCompletedWithWrappedException(h0, ex);
2776	>	checkCompletedWithWrappedException(h1, ex);
2777	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2778	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2779	>	checkCompletedWithWrappedException(h2, ex);
2780	>	checkCompletedWithWrappedException(h3, ex);
2781	>
2782	>	assertTrue(g.complete(v1));
2783	>
2784	>	// unspecified behavior - both source completions available
2785	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2786	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2787	>	try {
2788	>	assertNull(h4.join());
2789	>	rs[4].assertInvoked();
2790	>	} catch (CompletionException ok) {
2791	>	checkCompletedWithWrappedException(h4, ex);
2792	>	rs[4].assertNotInvoked();
2793	>	}
2794	>	try {
2795	>	assertNull(h5.join());
2796	>	rs[5].assertInvoked();
2797	>	} catch (CompletionException ok) {
2798	>	checkCompletedWithWrappedException(h5, ex);
2799	>	rs[5].assertNotInvoked();
2800	>	}
2801
2802	<	/**
2803	<	* runAfterBothAsync result completes exceptionally if action does
2804	<	*/
2805	<	public void testRunAfterBothAsync3E() {
2806	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2807	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2808	<	FailingNoop r = new FailingNoop();
2809	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2810	<	f.complete(one);
2811	<	checkIncomplete(g);
2812	<	f2.complete(two);
2813	<	checkCompletedWithWrappedCFException(g);
2814	<	}
2802	>	checkCompletedExceptionally(f, ex);
2803	>	checkCompletedNormally(g, v1);
2804	>	checkCompletedWithWrappedException(h0, ex);
2805	>	checkCompletedWithWrappedException(h1, ex);
2806	>	checkCompletedWithWrappedException(h2, ex);
2807	>	checkCompletedWithWrappedException(h3, ex);
2808	>	checkCompletedWithWrappedException(h4, ex);
2809	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2810	>	}}
2811	>
2812	>	public void testRunAfterEither_exceptionalCompletion2() {
2813	>	for (ExecutionMode m : ExecutionMode.values())
2814	>	for (boolean fFirst : new boolean[] { true, false })
2815	>	for (Integer v1 : new Integer[] { 1, null })
2816	>	{
2817	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2818	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2819	>	final CFException ex = new CFException();
2820	>	final Noop[] rs = new Noop[6];
2821	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2822
2823	<	/**
2824	<	* runAfterBothAsync result completes exceptionally if either source cancelled
2825	<	*/
2826	<	public void testRunAfterBothAsync4E() {
2827	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2828	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2829	<	Noop r = new Noop();
2830	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2831	<	assertTrue(f.cancel(true));
2832	<	f2.complete(two);
2833	<	checkCompletedWithWrappedCancellationException(g);
2823	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2824	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2825	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2826	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2827	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2828	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2829	>
2830	>	// unspecified behavior - both source completions available
2831	>	try {
2832	>	assertEquals(null, h0.join());
2833	>	rs[0].assertInvoked();
2834	>	} catch (CompletionException ok) {
2835	>	checkCompletedWithWrappedException(h0, ex);
2836	>	rs[0].assertNotInvoked();
2837	>	}
2838	>	try {
2839	>	assertEquals(null, h1.join());
2840	>	rs[1].assertInvoked();
2841	>	} catch (CompletionException ok) {
2842	>	checkCompletedWithWrappedException(h1, ex);
2843	>	rs[1].assertNotInvoked();
2844	>	}
2845	>	try {
2846	>	assertEquals(null, h2.join());
2847	>	rs[2].assertInvoked();
2848	>	} catch (CompletionException ok) {
2849	>	checkCompletedWithWrappedException(h2, ex);
2850	>	rs[2].assertNotInvoked();
2851	>	}
2852	>	try {
2853	>	assertEquals(null, h3.join());
2854	>	rs[3].assertInvoked();
2855	>	} catch (CompletionException ok) {
2856	>	checkCompletedWithWrappedException(h3, ex);
2857	>	rs[3].assertNotInvoked();
2858	>	}
2859
2860	<	r = new Noop();
2861	<	f = new CompletableFuture<>();
2862	<	f2 = new CompletableFuture<>();
2784	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2785	<	f.complete(one);
2786	<	assertTrue(f2.cancel(true));
2787	<	checkCompletedWithWrappedCancellationException(g);
2788	<	}
2860	>	checkCompletedNormally(f, v1);
2861	>	checkCompletedExceptionally(g, ex);
2862	>	}}
2863
2864		/**
2865	<	* applyToEitherAsync result completes normally after normal
2792	<	* completion of sources
2865	>	* runAfterEither result completes exceptionally if either source cancelled
2866		*/
2867	<	public void testApplyToEitherAsyncE() {
2868	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2869	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2870	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2871	<	f.complete(one);
2872	<	checkCompletedNormally(g, two);
2873	<
2874	<	f = new CompletableFuture<>();
2875	<	f.complete(one);
2803	<	f2 = new CompletableFuture<>();
2804	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2805	<	checkCompletedNormally(g, two);
2806	<	}
2867	>	public void testRunAfterEither_sourceCancelled() {
2868	>	for (ExecutionMode m : ExecutionMode.values())
2869	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2870	>	for (Integer v1 : new Integer[] { 1, null })
2871	>	{
2872	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2873	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2874	>	final Noop[] rs = new Noop[6];
2875	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2876
2877	<	/**
2878	<	* applyToEitherAsync result completes exceptionally after exceptional
2879	<	* completion of source
2880	<	*/
2881	<	public void testApplyToEitherAsync2E() {
2882	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2883	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2884	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2885	<	f.completeExceptionally(new CFException());
2886	<	checkCompletedWithWrappedCFException(g);
2877	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2878	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2879	>	checkIncomplete(h0);
2880	>	checkIncomplete(h1);
2881	>	rs[0].assertNotInvoked();
2882	>	rs[1].assertNotInvoked();
2883	>	f.cancel(mayInterruptIfRunning);
2884	>	checkCompletedWithWrappedCancellationException(h0);
2885	>	checkCompletedWithWrappedCancellationException(h1);
2886	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2887	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2888	>	checkCompletedWithWrappedCancellationException(h2);
2889	>	checkCompletedWithWrappedCancellationException(h3);
2890	>
2891	>	assertTrue(g.complete(v1));
2892	>
2893	>	// unspecified behavior - both source completions available
2894	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2895	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2896	>	try {
2897	>	assertNull(h4.join());
2898	>	rs[4].assertInvoked();
2899	>	} catch (CompletionException ok) {
2900	>	checkCompletedWithWrappedCancellationException(h4);
2901	>	rs[4].assertNotInvoked();
2902	>	}
2903	>	try {
2904	>	assertNull(h5.join());
2905	>	rs[5].assertInvoked();
2906	>	} catch (CompletionException ok) {
2907	>	checkCompletedWithWrappedCancellationException(h5);
2908	>	rs[5].assertNotInvoked();
2909	>	}
2910
2911	<	f = new CompletableFuture<>();
2912	<	f2 = new CompletableFuture<>();
2913	<	f2.completeExceptionally(new CFException());
2914	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2915	<	f.complete(one);
2916	<	checkCompletedWithWrappedCFException(g);
2917	<	}
2911	>	checkCancelled(f);
2912	>	checkCompletedNormally(g, v1);
2913	>	checkCompletedWithWrappedCancellationException(h0);
2914	>	checkCompletedWithWrappedCancellationException(h1);
2915	>	checkCompletedWithWrappedCancellationException(h2);
2916	>	checkCompletedWithWrappedCancellationException(h3);
2917	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2918	>	}}
2919
2920		/**
2921	<	* applyToEitherAsync result completes exceptionally if action does
2921	>	* runAfterEither result completes exceptionally if action does
2922		*/
2923	<	public void testApplyToEitherAsync3E() {
2924	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2925	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2926	<	FailingFunction r = new FailingFunction();
2927	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2928	<	f.complete(one);
2929	<	checkCompletedWithWrappedCFException(g);
2930	<	}
2923	>	public void testRunAfterEither_actionFailed() {
2924	>	for (ExecutionMode m : ExecutionMode.values())
2925	>	for (Integer v1 : new Integer[] { 1, null })
2926	>	for (Integer v2 : new Integer[] { 2, null })
2927	>	{
2928	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2929	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2930	>	final FailingRunnable[] rs = new FailingRunnable[6];
2931	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2932
2933	<	/**
2934	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2935	<	*/
2936	<	public void testApplyToEitherAsync4E() {
2937	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2938	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2939	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2940	<	assertTrue(f.cancel(true));
2941	<	checkCompletedWithWrappedCancellationException(g);
2933	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2934	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2935	>	assertTrue(f.complete(v1));
2936	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2937	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2938	>	checkCompletedWithWrappedCFException(h0);
2939	>	checkCompletedWithWrappedCFException(h1);
2940	>	checkCompletedWithWrappedCFException(h2);
2941	>	checkCompletedWithWrappedCFException(h3);
2942	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2943	>	assertTrue(g.complete(v2));
2944	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2945	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2946	>	checkCompletedWithWrappedCFException(h4);
2947	>	checkCompletedWithWrappedCFException(h5);
2948
2949	<	f = new CompletableFuture<>();
2950	<	f2 = new CompletableFuture<>();
2951	<	assertTrue(f2.cancel(true));
2952	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2853	<	checkCompletedWithWrappedCancellationException(g);
2854	<	}
2949	>	checkCompletedNormally(f, v1);
2950	>	checkCompletedNormally(g, v2);
2951	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2952	>	}}
2953
2954		/**
2955	<	* acceptEitherAsync result completes normally after normal
2858	<	* completion of sources
2955	>	* thenCompose result completes normally after normal completion of source
2956		*/
2957	<	public void testAcceptEitherAsyncE() {
2958	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2959	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2960	<	IncAction r = new IncAction();
2961	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2962	<	f.complete(one);
2963	<	checkCompletedNormally(g, null);
2964	<	assertEquals(r.value, 2);
2957	>	public void testThenCompose_normalCompletion() {
2958	>	for (ExecutionMode m : ExecutionMode.values())
2959	>	for (boolean createIncomplete : new boolean[] { true, false })
2960	>	for (Integer v1 : new Integer[] { 1, null })
2961	>	{
2962	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2963	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2964	>	if (!createIncomplete) assertTrue(f.complete(v1));
2965	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2966	>	if (createIncomplete) assertTrue(f.complete(v1));
2967
2968	<	r = new IncAction();
2969	<	f = new CompletableFuture<>();
2970	<	f.complete(one);
2971	<	f2 = new CompletableFuture<>();
2873	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2874	<	checkCompletedNormally(g, null);
2875	<	assertEquals(r.value, 2);
2876	<	}
2968	>	checkCompletedNormally(g, inc(v1));
2969	>	checkCompletedNormally(f, v1);
2970	>	r.assertValue(v1);
2971	>	}}
2972
2973		/**
2974	<	* acceptEitherAsync result completes exceptionally after exceptional
2974	>	* thenCompose result completes exceptionally after exceptional
2975		* completion of source
2976		*/
2977	<	public void testAcceptEitherAsync2E() {
2978	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2979	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2980	<	IncAction r = new IncAction();
2981	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2982	<	f.completeExceptionally(new CFException());
2983	<	checkCompletedWithWrappedCFException(g);
2984	<
2985	<	r = new IncAction();
2986	<	f = new CompletableFuture<>();
2987	<	f2 = new CompletableFuture<>();
2988	<	f2.completeExceptionally(new CFException());
2989	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2990	<	f.complete(one);
2991	<	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	<	}
2977	>	public void testThenCompose_exceptionalCompletion() {
2978	>	for (ExecutionMode m : ExecutionMode.values())
2979	>	for (boolean createIncomplete : new boolean[] { true, false })
2980	>	{
2981	>	final CFException ex = new CFException();
2982	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2983	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2984	>	if (!createIncomplete) f.completeExceptionally(ex);
2985	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2986	>	if (createIncomplete) f.completeExceptionally(ex);
2987	>
2988	>	checkCompletedWithWrappedException(g, ex);
2989	>	checkCompletedExceptionally(f, ex);
2990	>	r.assertNotInvoked();
2991	>	}}
2992
2993		/**
2994	<	* runAfterEitherAsync result completes exceptionally after exceptional
2955	<	* completion of source
2994	>	* thenCompose result completes exceptionally if action does
2995		*/
2996	<	public void testRunAfterEitherAsync2E() {
2997	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2998	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2999	<	Noop r = new Noop();
3000	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3001	<	f.completeExceptionally(new CFException());
3002	<	checkCompletedWithWrappedCFException(g);
3003	<
3004	<	r = new Noop();
3005	<	f = new CompletableFuture<>();
3006	<	f2 = new CompletableFuture<>();
2968	<	f2.completeExceptionally(new CFException());
2969	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2970	<	f.complete(one);
2971	<	checkCompletedWithWrappedCFException(g);
2972	<	}
2996	>	public void testThenCompose_actionFailed() {
2997	>	for (ExecutionMode m : ExecutionMode.values())
2998	>	for (boolean createIncomplete : new boolean[] { true, false })
2999	>	for (Integer v1 : new Integer[] { 1, null })
3000	>	{
3001	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3002	>	final FailingCompletableFutureFunction r
3003	>	= new FailingCompletableFutureFunction(m);
3004	>	if (!createIncomplete) assertTrue(f.complete(v1));
3005	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3006	>	if (createIncomplete) assertTrue(f.complete(v1));
3007
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);
3008		checkCompletedWithWrappedCFException(g);
3009	<	}
3009	>	checkCompletedNormally(f, v1);
3010	>	}}
3011
3012		/**
3013	<	* runAfterEitherAsync result completes exceptionally if either
2988	<	* source cancelled
3013	>	* thenCompose result completes exceptionally if source cancelled
3014		*/
3015	<	public void testRunAfterEitherAsync4E() {
3016	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3017	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
3018	<	Noop r = new Noop();
3019	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
3020	<	assertTrue(f.cancel(true));
3021	<	checkCompletedWithWrappedCancellationException(g);
3015	>	public void testThenCompose_sourceCancelled() {
3016	>	for (ExecutionMode m : ExecutionMode.values())
3017	>	for (boolean createIncomplete : new boolean[] { true, false })
3018	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3019	>	{
3020	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3021	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3022	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3023	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3024	>	if (createIncomplete) {
3025	>	checkIncomplete(g);
3026	>	assertTrue(f.cancel(mayInterruptIfRunning));
3027	>	}
3028
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());
3029		checkCompletedWithWrappedCancellationException(g);
3030	<	}
3031	<
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	<	}
3030	>	checkCancelled(f);
3031	>	}}
3032
3033		/**
3034	<	* thenComposeAsync result completes exceptionally if action does
3034	>	* thenCompose result completes exceptionally if the result of the action does
3035		*/
3036	<	public void testThenComposeAsync3E() {
3037	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3038	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
3039	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3040	<	f.complete(one);
3041	<	checkCompletedWithWrappedCFException(g);
3042	<	}
3036	>	public void testThenCompose_actionReturnsFailingFuture() {
3037	>	for (ExecutionMode m : ExecutionMode.values())
3038	>	for (int order = 0; order < 6; order++)
3039	>	for (Integer v1 : new Integer[] { 1, null })
3040	>	{
3041	>	final CFException ex = new CFException();
3042	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3043	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3044	>	final CompletableFuture<Integer> h;
3045	>	// Test all permutations of orders
3046	>	switch (order) {
3047	>	case 0:
3048	>	assertTrue(f.complete(v1));
3049	>	assertTrue(g.completeExceptionally(ex));
3050	>	h = m.thenCompose(f, (x -> g));
3051	>	break;
3052	>	case 1:
3053	>	assertTrue(f.complete(v1));
3054	>	h = m.thenCompose(f, (x -> g));
3055	>	assertTrue(g.completeExceptionally(ex));
3056	>	break;
3057	>	case 2:
3058	>	assertTrue(g.completeExceptionally(ex));
3059	>	assertTrue(f.complete(v1));
3060	>	h = m.thenCompose(f, (x -> g));
3061	>	break;
3062	>	case 3:
3063	>	assertTrue(g.completeExceptionally(ex));
3064	>	h = m.thenCompose(f, (x -> g));
3065	>	assertTrue(f.complete(v1));
3066	>	break;
3067	>	case 4:
3068	>	h = m.thenCompose(f, (x -> g));
3069	>	assertTrue(f.complete(v1));
3070	>	assertTrue(g.completeExceptionally(ex));
3071	>	break;
3072	>	case 5:
3073	>	h = m.thenCompose(f, (x -> g));
3074	>	assertTrue(f.complete(v1));
3075	>	assertTrue(g.completeExceptionally(ex));
3076	>	break;
3077	>	default: throw new AssertionError();
3078	>	}
3079
3080	<	/**
3081	<	* thenComposeAsync result completes exceptionally if source cancelled
3082	<	*/
3083	<	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	<	}
3080	>	checkCompletedExceptionally(g, ex);
3081	>	checkCompletedWithWrappedException(h, ex);
3082	>	checkCompletedNormally(f, v1);
3083	>	}}
3084
3085		// other static methods
3086
#	Line 3065 | Line 3098 | public class CompletableFutureTest exten
3098		* when all components complete normally
3099		*/
3100		public void testAllOf_normal() throws Exception {
3101	<	for (int k = 1; k < 20; ++k) {
3102	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3103	<	for (int i = 0; i < k; ++i)
3101	>	for (int k = 1; k < 10; k++) {
3102	>	CompletableFuture<Integer>[] fs
3103	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3104	>	for (int i = 0; i < k; i++)
3105		fs[i] = new CompletableFuture<>();
3106		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3107	<	for (int i = 0; i < k; ++i) {
3107	>	for (int i = 0; i < k; i++) {
3108		checkIncomplete(f);
3109		checkIncomplete(CompletableFuture.allOf(fs));
3110		fs[i].complete(one);
#	Line 3080 | Line 3114 | public class CompletableFutureTest exten
3114		}
3115		}
3116
3117	+	public void testAllOf_backwards() throws Exception {
3118	+	for (int k = 1; k < 10; k++) {
3119	+	CompletableFuture<Integer>[] fs
3120	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3121	+	for (int i = 0; i < k; i++)
3122	+	fs[i] = new CompletableFuture<>();
3123	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3124	+	for (int i = k - 1; i >= 0; i--) {
3125	+	checkIncomplete(f);
3126	+	checkIncomplete(CompletableFuture.allOf(fs));
3127	+	fs[i].complete(one);
3128	+	}
3129	+	checkCompletedNormally(f, null);
3130	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3131	+	}
3132	+	}
3133	+
3134	+	public void testAllOf_exceptional() throws Exception {
3135	+	for (int k = 1; k < 10; k++) {
3136	+	CompletableFuture<Integer>[] fs
3137	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3138	+	CFException ex = new CFException();
3139	+	for (int i = 0; i < k; i++)
3140	+	fs[i] = new CompletableFuture<>();
3141	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3142	+	for (int i = 0; i < k; i++) {
3143	+	checkIncomplete(f);
3144	+	checkIncomplete(CompletableFuture.allOf(fs));
3145	+	if (i != k/2) {
3146	+	fs[i].complete(i);
3147	+	checkCompletedNormally(fs[i], i);
3148	+	} else {
3149	+	fs[i].completeExceptionally(ex);
3150	+	checkCompletedExceptionally(fs[i], ex);
3151	+	}
3152	+	}
3153	+	checkCompletedWithWrappedException(f, ex);
3154	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3155	+	}
3156	+	}
3157	+
3158		/**
3159		* anyOf(no component futures) returns an incomplete future
3160		*/
3161		public void testAnyOf_empty() throws Exception {
3162	+	for (Integer v1 : new Integer[] { 1, null })
3163	+	{
3164		CompletableFuture<Object> f = CompletableFuture.anyOf();
3165		checkIncomplete(f);
3166	<	}
3166	>
3167	>	f.complete(v1);
3168	>	checkCompletedNormally(f, v1);
3169	>	}}
3170
3171		/**
3172		* anyOf returns a future completed normally with a value when
3173		* a component future does
3174		*/
3175		public void testAnyOf_normal() throws Exception {
3176	<	for (int k = 0; k < 10; ++k) {
3176	>	for (int k = 0; k < 10; k++) {
3177		CompletableFuture[] fs = new CompletableFuture[k];
3178	<	for (int i = 0; i < k; ++i)
3178	>	for (int i = 0; i < k; i++)
3179		fs[i] = new CompletableFuture<>();
3180		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3181		checkIncomplete(f);
3182	<	for (int i = 0; i < k; ++i) {
3183	<	fs[i].complete(one);
3184	<	checkCompletedNormally(f, one);
3185	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3182	>	for (int i = 0; i < k; i++) {
3183	>	fs[i].complete(i);
3184	>	checkCompletedNormally(f, 0);
3185	>	int x = (int) CompletableFuture.anyOf(fs).join();
3186	>	assertTrue(0 <= x && x <= i);
3187	>	}
3188	>	}
3189	>	}
3190	>	public void testAnyOf_normal_backwards() throws Exception {
3191	>	for (int k = 0; k < 10; k++) {
3192	>	CompletableFuture[] fs = new CompletableFuture[k];
3193	>	for (int i = 0; i < k; i++)
3194	>	fs[i] = new CompletableFuture<>();
3195	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3196	>	checkIncomplete(f);
3197	>	for (int i = k - 1; i >= 0; i--) {
3198	>	fs[i].complete(i);
3199	>	checkCompletedNormally(f, k - 1);
3200	>	int x = (int) CompletableFuture.anyOf(fs).join();
3201	>	assertTrue(i <= x && x <= k - 1);
3202		}
3203		}
3204		}
#	Line 3111 | Line 3207 | public class CompletableFutureTest exten
3207		* anyOf result completes exceptionally when any component does.
3208		*/
3209		public void testAnyOf_exceptional() throws Exception {
3210	<	for (int k = 0; k < 10; ++k) {
3210	>	for (int k = 0; k < 10; k++) {
3211		CompletableFuture[] fs = new CompletableFuture[k];
3212	<	for (int i = 0; i < k; ++i)
3212	>	CFException[] exs = new CFException[k];
3213	>	for (int i = 0; i < k; i++) {
3214		fs[i] = new CompletableFuture<>();
3215	+	exs[i] = new CFException();
3216	+	}
3217		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3218		checkIncomplete(f);
3219	<	for (int i = 0; i < k; ++i) {
3220	<	fs[i].completeExceptionally(new CFException());
3221	<	checkCompletedWithWrappedCFException(f);
3219	>	for (int i = 0; i < k; i++) {
3220	>	fs[i].completeExceptionally(exs[i]);
3221	>	checkCompletedWithWrappedException(f, exs[0]);
3222	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3223	>	}
3224	>	}
3225	>	}
3226	>
3227	>	public void testAnyOf_exceptional_backwards() throws Exception {
3228	>	for (int k = 0; k < 10; k++) {
3229	>	CompletableFuture[] fs = new CompletableFuture[k];
3230	>	CFException[] exs = new CFException[k];
3231	>	for (int i = 0; i < k; i++) {
3232	>	fs[i] = new CompletableFuture<>();
3233	>	exs[i] = new CFException();
3234	>	}
3235	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3236	>	checkIncomplete(f);
3237	>	for (int i = k - 1; i >= 0; i--) {
3238	>	fs[i].completeExceptionally(exs[i]);
3239	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3240		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3241		}
3242		}
#	Line 3132 | Line 3249 | public class CompletableFutureTest exten
3249		CompletableFuture<Integer> f = new CompletableFuture<>();
3250		CompletableFuture<Integer> g = new CompletableFuture<>();
3251		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3135	–	CompletableFuture<?> h;
3252		ThreadExecutor exec = new ThreadExecutor();
3253
3254		Runnable[] throwingActions = {
3255		() -> CompletableFuture.supplyAsync(null),
3256		() -> CompletableFuture.supplyAsync(null, exec),
3257	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3257	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3258
3259		() -> CompletableFuture.runAsync(null),
3260		() -> CompletableFuture.runAsync(null, exec),
#	Line 3211 | Line 3327 | public class CompletableFutureTest exten
3327
3328		() -> f.thenCompose(null),
3329		() -> f.thenComposeAsync(null),
3330	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3330	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3331		() -> f.thenComposeAsync(null, exec),
3332
3333		() -> f.exceptionally(null),
#	Line 3243 | Line 3359 | public class CompletableFutureTest exten
3359		assertSame(f, f.toCompletableFuture());
3360		}
3361
3362	+	// jdk9
3363	+
3364		/**
3365	<	* whenComplete action executes on normal completion, propagating
3248	<	* source result.
3365	>	* newIncompleteFuture returns an incomplete CompletableFuture
3366		*/
3367	<	public void testWhenComplete1() {
3251	<	final AtomicInteger a = new AtomicInteger();
3367	>	public void testNewIncompleteFuture() {
3368		CompletableFuture<Integer> f = new CompletableFuture<>();
3369	<	CompletableFuture<Integer> g =
3370	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3371	<	f.complete(three);
3256	<	checkCompletedNormally(f, three);
3257	<	checkCompletedNormally(g, three);
3258	<	assertEquals(a.get(), 1);
3369	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3370	>	checkIncomplete(f);
3371	>	checkIncomplete(g);
3372		}
3373
3374		/**
3375	<	* whenComplete action executes on exceptional completion, propagating
3263	<	* source result.
3375	>	* completedStage returns a completed CompletionStage
3376		*/
3377	<	public void testWhenComplete2() {
3378	<	final AtomicInteger a = new AtomicInteger();
3379	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3380	<	CompletableFuture<Integer> g =
3381	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3382	<	f.completeExceptionally(new CFException());
3383	<	assertTrue(f.isCompletedExceptionally());
3272	<	assertTrue(g.isCompletedExceptionally());
3273	<	assertEquals(a.get(), 1);
3377	>	public void testCompletedStage() {
3378	>	AtomicInteger x = new AtomicInteger();
3379	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3380	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3381	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3382	>	assertEquals(x.get(), 1);
3383	>	assertNull(r.get());
3384		}
3385
3386		/**
3387	<	* If a whenComplete action throws an exception when triggered by
3388	<	* a normal completion, it completes exceptionally
3387	>	* defaultExecutor by default returns the commonPool if
3388	>	* it supports more than one thread.
3389		*/
3390	<	public void testWhenComplete3() {
3390	>	public void testDefaultExecutor() {
3391		CompletableFuture<Integer> f = new CompletableFuture<>();
3392	<	CompletableFuture<Integer> g =
3393	<	f.whenComplete((Integer x, Throwable t) ->
3394	<	{ throw new CFException(); } );
3395	<	f.complete(three);
3396	<	checkCompletedNormally(f, three);
3397	<	assertTrue(g.isCompletedExceptionally());
3288	<	checkCompletedWithWrappedCFException(g);
3392	>	Executor e = f.defaultExecutor();
3393	>	Executor c = ForkJoinPool.commonPool();
3394	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3395	>	assertSame(e, c);
3396	>	else
3397	>	assertNotSame(e, c);
3398		}
3399
3400		/**
3401	<	* whenCompleteAsync action executes on normal completion, propagating
3402	<	* source result.
3401	>	* failedFuture returns a CompletableFuture completed
3402	>	* exceptionally with the given Exception
3403	>	*/
3404	>	public void testFailedFuture() {
3405	>	CFException ex = new CFException();
3406	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3407	>	checkCompletedExceptionallyWithRootCause(f, ex);
3408	>	}
3409	>
3410	>	/**
3411	>	* failedFuture(null) throws NPE
3412		*/
3413	<	public void testWhenCompleteAsync1() {
3414	<	final AtomicInteger a = new AtomicInteger();
3413	>	public void testFailedFuture2() {
3414	>	try {
3415	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3416	>	shouldThrow();
3417	>	} catch (NullPointerException success) {}
3418	>	}
3419	>
3420	>	/**
3421	>	* copy returns a CompletableFuture that is completed normally,
3422	>	* with the same value, when source is.
3423	>	*/
3424	>	public void testCopy() {
3425		CompletableFuture<Integer> f = new CompletableFuture<>();
3426	<	CompletableFuture<Integer> g =
3427	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3428	<	f.complete(three);
3429	<	checkCompletedNormally(f, three);
3430	<	checkCompletedNormally(g, three);
3431	<	assertEquals(a.get(), 1);
3426	>	CompletableFuture<Integer> g = f.copy();
3427	>	checkIncomplete(f);
3428	>	checkIncomplete(g);
3429	>	f.complete(1);
3430	>	checkCompletedNormally(f, 1);
3431	>	checkCompletedNormally(g, 1);
3432		}
3433
3434		/**
3435	<	* whenCompleteAsync action executes on exceptional completion, propagating
3436	<	* source result.
3435	>	* copy returns a CompletableFuture that is completed exceptionally
3436	>	* when source is.
3437		*/
3438	<	public void testWhenCompleteAsync2() {
3311	<	final AtomicInteger a = new AtomicInteger();
3438	>	public void testCopy2() {
3439		CompletableFuture<Integer> f = new CompletableFuture<>();
3440	<	CompletableFuture<Integer> g =
3441	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3442	<	f.completeExceptionally(new CFException());
3443	<	checkCompletedWithWrappedCFException(f);
3440	>	CompletableFuture<Integer> g = f.copy();
3441	>	checkIncomplete(f);
3442	>	checkIncomplete(g);
3443	>	CFException ex = new CFException();
3444	>	f.completeExceptionally(ex);
3445	>	checkCompletedExceptionally(f, ex);
3446		checkCompletedWithWrappedCFException(g);
3447		}
3448
3449		/**
3450	<	* If a whenCompleteAsync action throws an exception when
3451	<	* triggered by a normal completion, it completes exceptionally
3450	>	* minimalCompletionStage returns a CompletableFuture that is
3451	>	* completed normally, with the same value, when source is.
3452		*/
3453	<	public void testWhenCompleteAsync3() {
3453	>	public void testMinimalCompletionStage() {
3454		CompletableFuture<Integer> f = new CompletableFuture<>();
3455	<	CompletableFuture<Integer> g =
3456	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3457	<	{ throw new CFException(); } );
3458	<	f.complete(three);
3459	<	checkCompletedNormally(f, three);
3460	<	checkCompletedWithWrappedCFException(g);
3455	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3456	>	AtomicInteger x = new AtomicInteger();
3457	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3458	>	checkIncomplete(f);
3459	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3460	>	f.complete(1);
3461	>	checkCompletedNormally(f, 1);
3462	>	assertEquals(x.get(), 1);
3463	>	assertNull(r.get());
3464		}
3465
3466		/**
3467	<	* whenCompleteAsync action executes on normal completion, propagating
3468	<	* source result.
3467	>	* minimalCompletionStage returns a CompletableFuture that is
3468	>	* completed exceptionally when source is.
3469		*/
3470	<	public void testWhenCompleteAsync1e() {
3339	<	final AtomicInteger a = new AtomicInteger();
3340	<	ThreadExecutor exec = new ThreadExecutor();
3470	>	public void testMinimalCompletionStage2() {
3471		CompletableFuture<Integer> f = new CompletableFuture<>();
3472	<	CompletableFuture<Integer> g =
3473	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3474	<	exec);
3475	<	f.complete(three);
3476	<	checkCompletedNormally(f, three);
3477	<	checkCompletedNormally(g, three);
3478	<	assertEquals(a.get(), 1);
3472	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3473	>	AtomicInteger x = new AtomicInteger();
3474	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3475	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3476	>	checkIncomplete(f);
3477	>	CFException ex = new CFException();
3478	>	f.completeExceptionally(ex);
3479	>	checkCompletedExceptionally(f, ex);
3480	>	assertEquals(x.get(), 0);
3481	>	assertEquals(r.get().getCause(), ex);
3482		}
3483
3484		/**
3485	<	* whenCompleteAsync action executes on exceptional completion, propagating
3486	<	* source result.
3485	>	* failedStage returns a CompletionStage completed
3486	>	* exceptionally with the given Exception
3487		*/
3488	<	public void testWhenCompleteAsync2e() {
3489	<	final AtomicInteger a = new AtomicInteger();
3490	<	ThreadExecutor exec = new ThreadExecutor();
3488	>	public void testFailedStage() {
3489	>	CFException ex = new CFException();
3490	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3491	>	AtomicInteger x = new AtomicInteger();
3492	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3493	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3494	>	assertEquals(x.get(), 0);
3495	>	assertEquals(r.get().getCause(), ex);
3496	>	}
3497	>
3498	>	/**
3499	>	* completeAsync completes with value of given supplier
3500	>	*/
3501	>	public void testCompleteAsync() {
3502		CompletableFuture<Integer> f = new CompletableFuture<>();
3503	<	CompletableFuture<Integer> g =
3504	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3505	<	exec);
3362	<	f.completeExceptionally(new CFException());
3363	<	checkCompletedWithWrappedCFException(f);
3364	<	checkCompletedWithWrappedCFException(g);
3503	>	f.completeAsync(() -> 1);
3504	>	f.join();
3505	>	checkCompletedNormally(f, 1);
3506		}
3507
3508		/**
3509	<	* If a whenCompleteAsync action throws an exception when triggered
3369	<	* by a normal completion, it completes exceptionally
3509	>	* completeAsync completes exceptionally if given supplier throws
3510		*/
3511	<	public void testWhenCompleteAsync3e() {
3372	<	ThreadExecutor exec = new ThreadExecutor();
3511	>	public void testCompleteAsync2() {
3512		CompletableFuture<Integer> f = new CompletableFuture<>();
3513	<	CompletableFuture<Integer> g =
3514	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3515	<	{ throw new CFException(); },
3516	<	exec);
3517	<	f.complete(three);
3518	<	checkCompletedNormally(f, three);
3519	<	checkCompletedWithWrappedCFException(g);
3513	>	CFException ex = new CFException();
3514	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3515	>	try {
3516	>	f.join();
3517	>	shouldThrow();
3518	>	} catch (Exception success) {}
3519	>	checkCompletedWithWrappedCFException(f);
3520		}
3521
3522		/**
3523	<	* handleAsync action completes normally with function value on
3385	<	* either normal or exceptional completion of source
3523	>	* completeAsync with given executor completes with value of given supplier
3524		*/
3525	<	public void testHandleAsync() {
3526	<	CompletableFuture<Integer> f, g;
3527	<	IntegerHandler r;
3525	>	public void testCompleteAsync3() {
3526	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3527	>	f.completeAsync(() -> 1, new ThreadExecutor());
3528	>	f.join();
3529	>	checkCompletedNormally(f, 1);
3530	>	}
3531
3532	<	f = new CompletableFuture<>();
3533	<	g = f.handleAsync(r = new IntegerHandler());
3534	<	assertFalse(r.ran);
3535	<	f.completeExceptionally(new CFException());
3532	>	/**
3533	>	* completeAsync with given executor completes exceptionally if
3534	>	* given supplier throws
3535	>	*/
3536	>	public void testCompleteAsync4() {
3537	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3538	>	CFException ex = new CFException();
3539	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, new ThreadExecutor());
3540	>	try {
3541	>	f.join();
3542	>	shouldThrow();
3543	>	} catch (Exception success) {}
3544		checkCompletedWithWrappedCFException(f);
3545	<	checkCompletedNormally(g, three);
3397	<	assertTrue(r.ran);
3545	>	}
3546
3547	<	f = new CompletableFuture<>();
3548	<	g = f.handleAsync(r = new IntegerHandler());
3549	<	assertFalse(r.ran);
3550	<	f.completeExceptionally(new CFException());
3551	<	checkCompletedWithWrappedCFException(f);
3552	<	checkCompletedNormally(g, three);
3553	<	assertTrue(r.ran);
3547	>	/**
3548	>	* orTimeout completes with TimeoutException if not complete
3549	>	*/
3550	>	public void testOrTimeout() {
3551	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3552	>	f.orTimeout(SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
3553	>	checkCompletedExceptionallyWithTimeout(f);
3554	>	}
3555
3556	<	f = new CompletableFuture<>();
3557	<	g = f.handleAsync(r = new IntegerHandler());
3558	<	assertFalse(r.ran);
3559	<	f.complete(one);
3560	<	checkCompletedNormally(f, one);
3561	<	checkCompletedNormally(g, two);
3562	<	assertTrue(r.ran);
3556	>	/**
3557	>	* orTimeout completes normally if completed before timeout
3558	>	*/
3559	>	public void testOrTimeout2() {
3560	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3561	>	f.complete(1);
3562	>	f.orTimeout(SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
3563	>	checkCompletedNormally(f, 1);
3564	>	}
3565
3566	<	f = new CompletableFuture<>();
3567	<	g = f.handleAsync(r = new IntegerHandler());
3568	<	assertFalse(r.ran);
3569	<	f.complete(one);
3570	<	checkCompletedNormally(f, one);
3571	<	checkCompletedNormally(g, two);
3572	<	assertTrue(r.ran);
3566	>	/**
3567	>	* completeOnTimeout completes with given value if not complete
3568	>	*/
3569	>	public void testCompleteOnTimeout() {
3570	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3571	>	f.completeOnTimeout(-1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
3572	>	f.join();
3573	>	checkCompletedNormally(f, -1);
3574		}
3575
3576		/**
3577	<	* handleAsync action with Executor completes normally with
3426	<	* function value on either normal or exceptional completion of
3427	<	* source
3577	>	* completeOnTimeout has no effect if completed within timeout
3578		*/
3579	<	public void testHandleAsync2() {
3580	<	CompletableFuture<Integer> f, g;
3581	<	ThreadExecutor exec = new ThreadExecutor();
3582	<	IntegerHandler r;
3579	>	public void testCompleteOnTimeout2() {
3580	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3581	>	f.complete(1);
3582	>	f.completeOnTimeout(-1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
3583	>	checkCompletedNormally(f, 1);
3584	>	}
3585
3586	<	f = new CompletableFuture<>();
3587	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3588	<	assertFalse(r.ran);
3589	<	f.completeExceptionally(new CFException());
3590	<	checkCompletedWithWrappedCFException(f);
3591	<	checkCompletedNormally(g, three);
3592	<	assertTrue(r.ran);
3586	>	/**
3587	>	* delayedExecutor returns an executor that delays submission
3588	>	*/
3589	>	public void testDelayedExecutor() {
3590	>	long timeoutMillis = SMALL_DELAY_MS;
3591	>	Executor d = CompletableFuture.delayedExecutor(timeoutMillis,
3592	>	MILLISECONDS);
3593	>	long startTime = System.nanoTime();
3594	>	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(() -> 1, d);
3595	>	assertNull(f.getNow(null));
3596	>	try {
3597	>	f.get(LONG_DELAY_MS, MILLISECONDS);
3598	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
3599	>	assertTrue(millisElapsedSince(startTime) > timeoutMillis/2);
3600	>	checkCompletedNormally(f, 1);
3601	>	}
3602
3603	<	f = new CompletableFuture<>();
3604	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3605	<	assertFalse(r.ran);
3606	<	f.completeExceptionally(new CFException());
3607	<	checkCompletedWithWrappedCFException(f);
3608	<	checkCompletedNormally(g, three);
3609	<	assertTrue(r.ran);
3603	>	/**
3604	>	* delayedExecutor for a given executor returns an executor that
3605	>	* delays submission
3606	>	*/
3607	>	public void testDelayedExecutor2() {
3608	>	long timeoutMillis = SMALL_DELAY_MS;
3609	>	Executor d = CompletableFuture.delayedExecutor(timeoutMillis,
3610	>	MILLISECONDS,
3611	>	new ThreadExecutor());
3612	>	long startTime = System.nanoTime();
3613	>	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(() -> 1, d);
3614	>	assertNull(f.getNow(null));
3615	>	try {
3616	>	f.get(LONG_DELAY_MS, MILLISECONDS);
3617	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
3618	>	assertTrue(millisElapsedSince(startTime) > timeoutMillis/2);
3619	>	checkCompletedNormally(f, 1);
3620	>	}
3621
3622	<	f = new CompletableFuture<>();
3451	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3452	<	assertFalse(r.ran);
3453	<	f.complete(one);
3454	<	checkCompletedNormally(f, one);
3455	<	checkCompletedNormally(g, two);
3456	<	assertTrue(r.ran);
3622	>	//--- tests of implementation details; not part of official tck ---
3623
3624	<	f = new CompletableFuture<>();
3625	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3626	<	assertFalse(r.ran);
3627	<	f.complete(one);
3628	<	checkCompletedNormally(f, one);
3629	<	checkCompletedNormally(g, two);
3630	<	assertTrue(r.ran);
3624	>	Object resultOf(CompletableFuture<?> f) {
3625	>	try {
3626	>	java.lang.reflect.Field resultField
3627	>	= CompletableFuture.class.getDeclaredField("result");
3628	>	resultField.setAccessible(true);
3629	>	return resultField.get(f);
3630	>	} catch (Throwable t) { throw new AssertionError(t); }
3631		}
3632
3633	+	public void testExceptionPropagationReusesResultObject() {
3634	+	if (!testImplementationDetails) return;
3635	+	for (ExecutionMode m : ExecutionMode.values())
3636	+	{
3637	+	final CFException ex = new CFException();
3638	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3639	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3640	+
3641	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3642	+	= new ArrayList<>();
3643	+
3644	+	funs.add((y) -> m.thenRun(y, new Noop(m)));
3645	+	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3646	+	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3647	+
3648	+	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3649	+	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3650	+	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3651	+
3652	+	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3653	+	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3654	+	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3655	+
3656	+	funs.add((y) -> m.whenComplete(y, (Integer x, Throwable t) -> {}));
3657	+
3658	+	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3659	+
3660	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3661	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3662	+
3663	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3664	+	fun : funs) {
3665	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3666	+	f.completeExceptionally(ex);
3667	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3668	+	checkCompletedWithWrappedException(src, ex);
3669	+	CompletableFuture<?> dep = fun.apply(src);
3670	+	checkCompletedWithWrappedException(dep, ex);
3671	+	assertSame(resultOf(src), resultOf(dep));
3672	+	}
3673	+
3674	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3675	+	fun : funs) {
3676	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3677	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3678	+	CompletableFuture<?> dep = fun.apply(src);
3679	+	f.completeExceptionally(ex);
3680	+	checkCompletedWithWrappedException(src, ex);
3681	+	checkCompletedWithWrappedException(dep, ex);
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	+	f.cancel(mayInterruptIfRunning);
3690	+	checkCancelled(f);
3691	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3692	+	checkCompletedWithWrappedCancellationException(src);
3693	+	CompletableFuture<?> dep = fun.apply(src);
3694	+	checkCompletedWithWrappedCancellationException(dep);
3695	+	assertSame(resultOf(src), resultOf(dep));
3696	+	}
3697	+
3698	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3699	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3700	+	fun : funs) {
3701	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3702	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3703	+	CompletableFuture<?> dep = fun.apply(src);
3704	+	f.cancel(mayInterruptIfRunning);
3705	+	checkCancelled(f);
3706	+	checkCompletedWithWrappedCancellationException(src);
3707	+	checkCompletedWithWrappedCancellationException(dep);
3708	+	assertSame(resultOf(src), resultOf(dep));
3709	+	}
3710	+	}}
3711	+
3712		}

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