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

Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.30 by jsr166, Mon Jul 22 18:25:42 2013 UTC vs.
Revision 1.76 by jsr166, Sat Jun 7 21:45:13 2014 UTC

#	Line 16 | Line 16 | import java.util.concurrent.ExecutionExc
16		import java.util.concurrent.Future;
17		import java.util.concurrent.CompletableFuture;
18		import java.util.concurrent.CompletionException;
19	+	import java.util.concurrent.CompletionStage;
20	+	import java.util.concurrent.ForkJoinPool;
21	+	import java.util.concurrent.ForkJoinTask;
22		import java.util.concurrent.TimeoutException;
23		import java.util.concurrent.atomic.AtomicInteger;
24		import static java.util.concurrent.TimeUnit.MILLISECONDS;
#	Line 102 | Line 105 | public class CompletableFutureTest exten
105		assertTrue(f.toString().contains("[Completed exceptionally]"));
106		}
107
108	+	<U> void checkCompletedExceptionallyWithRootCause(CompletableFuture<U> f,
109	+	Throwable ex) {
110	+	try {
111	+	f.get(LONG_DELAY_MS, MILLISECONDS);
112	+	shouldThrow();
113	+	} catch (ExecutionException success) {
114	+	assertSame(ex, success.getCause());
115	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
116	+	try {
117	+	f.join();
118	+	shouldThrow();
119	+	} catch (CompletionException success) {
120	+	assertSame(ex, success.getCause());
121	+	}
122	+	try {
123	+	f.getNow(null);
124	+	shouldThrow();
125	+	} catch (CompletionException success) {
126	+	assertSame(ex, success.getCause());
127	+	}
128	+	try {
129	+	f.get();
130	+	shouldThrow();
131	+	} catch (ExecutionException success) {
132	+	assertSame(ex, success.getCause());
133	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
134	+
135	+	assertTrue(f.isDone());
136	+	assertFalse(f.isCancelled());
137	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
138	+	}
139	+
140	+	<U> void checkCompletedWithWrappedException(CompletableFuture<U> f,
141	+	Throwable ex) {
142	+	checkCompletedExceptionallyWithRootCause(f, ex);
143	+	try {
144	+	CompletableFuture<Throwable> spy = f.handle
145	+	((U u, Throwable t) -> t);
146	+	assertTrue(spy.join() instanceof CompletionException);
147	+	assertSame(ex, spy.join().getCause());
148	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
149	+	}
150	+
151	+	<U> void checkCompletedExceptionally(CompletableFuture<U> f, Throwable ex) {
152	+	checkCompletedExceptionallyWithRootCause(f, ex);
153	+	try {
154	+	CompletableFuture<Throwable> spy = f.handle
155	+	((U u, Throwable t) -> t);
156	+	assertSame(ex, spy.join());
157	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
158	+	}
159	+
160		void checkCancelled(CompletableFuture<?> f) {
161		try {
162		f.get(LONG_DELAY_MS, MILLISECONDS);
#	Line 184 | Line 239 | public class CompletableFutureTest exten
239		*/
240		public void testCompleteExceptionally() {
241		CompletableFuture<Integer> f = new CompletableFuture<>();
242	+	CFException ex = new CFException();
243		checkIncomplete(f);
244	<	f.completeExceptionally(new CFException());
245	<	checkCompletedWithWrappedCFException(f);
244	>	f.completeExceptionally(ex);
245	>	checkCompletedExceptionally(f, ex);
246		}
247
248		/**
#	Line 215 | Line 271 | public class CompletableFutureTest exten
271		f = new CompletableFuture<>();
272		f.obtrudeValue(three);
273		checkCompletedNormally(f, three);
274	+	f.obtrudeValue(null);
275	+	checkCompletedNormally(f, null);
276		f = new CompletableFuture<>();
277		f.completeExceptionally(new CFException());
278		f.obtrudeValue(four);
#	Line 225 | Line 283 | public class CompletableFutureTest exten
283		* obtrudeException forces completion with given exception
284		*/
285		public void testObtrudeException() {
286	<	CompletableFuture<Integer> f = new CompletableFuture<>();
287	<	checkIncomplete(f);
288	<	f.complete(one);
289	<	checkCompletedNormally(f, one);
290	<	f.obtrudeException(new CFException());
233	<	checkCompletedWithWrappedCFException(f);
286	>	for (Integer v1 : new Integer[] { 1, null })
287	>	{
288	>	CFException ex;
289	>	CompletableFuture<Integer> f;
290	>
291		f = new CompletableFuture<>();
292	<	f.obtrudeException(new CFException());
293	<	checkCompletedWithWrappedCFException(f);
292	>	f.complete(v1);
293	>	for (int i = 0; i < 2; i++) {
294	>	f.obtrudeException(ex = new CFException());
295	>	checkCompletedExceptionally(f, ex);
296	>	}
297	>
298		f = new CompletableFuture<>();
299	<	f.completeExceptionally(new CFException());
300	<	f.obtrudeValue(four);
301	<	checkCompletedNormally(f, four);
302	<	f.obtrudeException(new CFException());
303	<	checkCompletedWithWrappedCFException(f);
304	<	}
299	>	for (int i = 0; i < 2; i++) {
300	>	f.obtrudeException(ex = new CFException());
301	>	checkCompletedExceptionally(f, ex);
302	>	}
303	>
304	>	f = new CompletableFuture<>();
305	>	f.completeExceptionally(ex = new CFException());
306	>	f.obtrudeValue(v1);
307	>	checkCompletedNormally(f, v1);
308	>	f.obtrudeException(ex = new CFException());
309	>	checkCompletedExceptionally(f, ex);
310	>	f.completeExceptionally(new CFException());
311	>	checkCompletedExceptionally(f, ex);
312	>	f.complete(v1);
313	>	checkCompletedExceptionally(f, ex);
314	>	}}
315
316		/**
317		* getNumberOfDependents returns number of dependent tasks
318		*/
319		public void testGetNumberOfDependents() {
320	+	for (ExecutionMode m : ExecutionMode.values())
321	+	{
322		CompletableFuture<Integer> f = new CompletableFuture<>();
323	<	assertEquals(f.getNumberOfDependents(), 0);
324	<	CompletableFuture g = f.thenRun(new Noop());
325	<	assertEquals(f.getNumberOfDependents(), 1);
326	<	assertEquals(g.getNumberOfDependents(), 0);
327	<	CompletableFuture h = f.thenRun(new Noop());
328	<	assertEquals(f.getNumberOfDependents(), 2);
323	>	assertEquals(0, f.getNumberOfDependents());
324	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
325	>	assertEquals(1, f.getNumberOfDependents());
326	>	assertEquals(0, g.getNumberOfDependents());
327	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
328	>	assertEquals(2, f.getNumberOfDependents());
329	>	assertEquals(0, h.getNumberOfDependents());
330		f.complete(1);
331		checkCompletedNormally(g, null);
332	<	assertEquals(f.getNumberOfDependents(), 0);
333	<	assertEquals(g.getNumberOfDependents(), 0);
334	<	}
332	>	checkCompletedNormally(h, null);
333	>	assertEquals(0, f.getNumberOfDependents());
334	>	assertEquals(0, g.getNumberOfDependents());
335	>	assertEquals(0, h.getNumberOfDependents());
336	>	}}
337
338		/**
339		* toString indicates current completion state
#	Line 274 | Line 350 | public class CompletableFutureTest exten
350		f = new CompletableFuture<String>();
351		f.completeExceptionally(new IndexOutOfBoundsException());
352		assertTrue(f.toString().contains("[Completed exceptionally]"));
353	+
354	+	f = new CompletableFuture<String>();
355	+	f.cancel(true);
356	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
357	+
358	+	f = new CompletableFuture<String>();
359	+	f.cancel(false);
360	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
361		}
362
363		/**
#	Line 284 | Line 368 | public class CompletableFutureTest exten
368		checkCompletedNormally(f, "test");
369		}
370
371	<	// Choose non-commutative actions for better coverage
372	<
373	<	static final Supplier<Integer> supplyOne =
374	<	() -> Integer.valueOf(1);
375	<	static final Function<Integer, Integer> inc =
376	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
377	<	static final BiFunction<Integer, Integer, Integer> subtract =
294	<	(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue());
295	<	static final class IncAction implements Consumer<Integer> {
296	<	int value;
297	<	public void accept(Integer x) { value = x.intValue() + 1; }
298	<	}
299	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
300	<	int value;
301	<	public void accept(Integer x, Integer y) {
302	<	value = x.intValue() - y.intValue();
371	>	abstract class CheckedAction {
372	>	int invocationCount = 0;
373	>	final ExecutionMode m;
374	>	CheckedAction(ExecutionMode m) { this.m = m; }
375	>	void invoked() {
376	>	m.checkExecutionMode();
377	>	assertEquals(0, invocationCount++);
378		}
379	<	}
380	<	static final class Noop implements Runnable {
306	<	boolean ran;
307	<	public void run() { ran = true; }
308	<	}
309	<
310	<	static final class FailingSupplier implements Supplier<Integer> {
311	<	boolean ran;
312	<	public Integer get() { ran = true; throw new CFException(); }
313	<	}
314	<	static final class FailingConsumer implements Consumer<Integer> {
315	<	boolean ran;
316	<	public void accept(Integer x) { ran = true; throw new CFException(); }
317	<	}
318	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
319	<	boolean ran;
320	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
321	<	}
322	<	static final class FailingFunction implements Function<Integer, Integer> {
323	<	boolean ran;
324	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
325	<	}
326	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
327	<	boolean ran;
328	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
329	<	}
330	<	static final class FailingNoop implements Runnable {
331	<	boolean ran;
332	<	public void run() { ran = true; throw new CFException(); }
379	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
380	>	void assertInvoked() { assertEquals(1, invocationCount); }
381		}
382
383	<	static final class CompletableFutureInc
384	<	implements Function<Integer, CompletableFuture<Integer>> {
385	<	boolean ran;
386	<	public CompletableFuture<Integer> apply(Integer x) {
387	<	ran = true;
388	<	CompletableFuture<Integer> f = new CompletableFuture<>();
341	<	f.complete(Integer.valueOf(x.intValue() + 1));
342	<	return f;
383	>	abstract class CheckedIntegerAction extends CheckedAction {
384	>	Integer value;
385	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
386	>	void assertValue(Integer expected) {
387	>	assertInvoked();
388	>	assertEquals(expected, value);
389		}
390		}
391
392	<	static final class FailingCompletableFutureFunction
393	<	implements Function<Integer, CompletableFuture<Integer>> {
394	<	boolean ran;
395	<	public CompletableFuture<Integer> apply(Integer x) {
396	<	ran = true; throw new CFException();
392	>	class IntegerSupplier extends CheckedAction
393	>	implements Supplier<Integer>
394	>	{
395	>	final Integer value;
396	>	IntegerSupplier(ExecutionMode m, Integer value) {
397	>	super(m);
398	>	this.value = value;
399		}
400	<	}
401	<
402	<	// Used for explicit executor tests
355	<	static final class ThreadExecutor implements Executor {
356	<	AtomicInteger count = new AtomicInteger(0);
357	<
358	<	public void execute(Runnable r) {
359	<	count.getAndIncrement();
360	<	new Thread(r).start();
400	>	public Integer get() {
401	>	invoked();
402	>	return value;
403		}
404		}
405
406	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
407	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
406	>	// A function that handles and produces null values as well.
407	>	static Integer inc(Integer x) {
408	>	return (x == null) ? null : x + 1;
409		}
410
411	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
412	<	boolean ran;
413	<	public Integer apply(Integer x, Throwable t) {
414	<	ran = true;
415	<	return (t == null) ? two : three;
411	>	class NoopConsumer extends CheckedIntegerAction
412	>	implements Consumer<Integer>
413	>	{
414	>	NoopConsumer(ExecutionMode m) { super(m); }
415	>	public void accept(Integer x) {
416	>	invoked();
417	>	value = x;
418		}
419		}
420
421	<	/**
422	<	* exceptionally action completes with function value on source
423	<	* exception; otherwise with source value
424	<	*/
425	<	public void testExceptionally() {
426	<	CompletableFuture<Integer> f = new CompletableFuture<>();
427	<	ExceptionToInteger r = new ExceptionToInteger();
428	<	CompletableFuture<Integer> g = f.exceptionally(r);
384	<	f.completeExceptionally(new CFException());
385	<	checkCompletedNormally(g, three);
386	<
387	<	f = new CompletableFuture<>();
388	<	r = new ExceptionToInteger();
389	<	g = f.exceptionally(r);
390	<	f.complete(one);
391	<	checkCompletedNormally(g, one);
392	<	}
393	<
394	<	/**
395	<	* handle action completes normally with function value on either
396	<	* normal or exceptional completion of source
397	<	*/
398	<	public void testHandle() {
399	<	CompletableFuture<Integer> f, g;
400	<	IntegerHandler r;
401	<
402	<	f = new CompletableFuture<>();
403	<	f.completeExceptionally(new CFException());
404	<	g = f.handle(r = new IntegerHandler());
405	<	assertTrue(r.ran);
406	<	checkCompletedNormally(g, three);
407	<
408	<	f = new CompletableFuture<>();
409	<	g = f.handle(r = new IntegerHandler());
410	<	assertFalse(r.ran);
411	<	f.completeExceptionally(new CFException());
412	<	checkCompletedNormally(g, three);
413	<	assertTrue(r.ran);
414	<
415	<	f = new CompletableFuture<>();
416	<	f.complete(one);
417	<	g = f.handle(r = new IntegerHandler());
418	<	assertTrue(r.ran);
419	<	checkCompletedNormally(g, two);
420	<
421	<	f = new CompletableFuture<>();
422	<	g = f.handle(r = new IntegerHandler());
423	<	assertFalse(r.ran);
424	<	f.complete(one);
425	<	assertTrue(r.ran);
426	<	checkCompletedNormally(g, two);
427	<	}
428	<
429	<	/**
430	<	* runAsync completes after running Runnable
431	<	*/
432	<	public void testRunAsync() {
433	<	Noop r = new Noop();
434	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
435	<	assertNull(f.join());
436	<	assertTrue(r.ran);
437	<	checkCompletedNormally(f, null);
438	<	}
439	<
440	<	/**
441	<	* runAsync with executor completes after running Runnable
442	<	*/
443	<	public void testRunAsync2() {
444	<	Noop r = new Noop();
445	<	ThreadExecutor exec = new ThreadExecutor();
446	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
447	<	assertNull(f.join());
448	<	assertTrue(r.ran);
449	<	checkCompletedNormally(f, null);
450	<	assertEquals(1, exec.count.get());
451	<	}
452	<
453	<	/**
454	<	* failing runAsync completes exceptionally after running Runnable
455	<	*/
456	<	public void testRunAsync3() {
457	<	FailingNoop r = new FailingNoop();
458	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
459	<	checkCompletedWithWrappedCFException(f);
460	<	assertTrue(r.ran);
461	<	}
462	<
463	<	/**
464	<	* supplyAsync completes with result of supplier
465	<	*/
466	<	public void testSupplyAsync() {
467	<	CompletableFuture<Integer> f;
468	<	f = CompletableFuture.supplyAsync(supplyOne);
469	<	assertEquals(f.join(), one);
470	<	checkCompletedNormally(f, one);
471	<	}
472	<
473	<	/**
474	<	* supplyAsync with executor completes with result of supplier
475	<	*/
476	<	public void testSupplyAsync2() {
477	<	CompletableFuture<Integer> f;
478	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
479	<	assertEquals(f.join(), one);
480	<	checkCompletedNormally(f, one);
421	>	class IncFunction extends CheckedIntegerAction
422	>	implements Function<Integer,Integer>
423	>	{
424	>	IncFunction(ExecutionMode m) { super(m); }
425	>	public Integer apply(Integer x) {
426	>	invoked();
427	>	return value = inc(x);
428	>	}
429		}
430
431	<	/**
432	<	* Failing supplyAsync completes exceptionally
433	<	*/
434	<	public void testSupplyAsync3() {
435	<	FailingSupplier r = new FailingSupplier();
436	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
489	<	checkCompletedWithWrappedCFException(f);
490	<	assertTrue(r.ran);
431	>	// Choose non-commutative actions for better coverage
432	>	// A non-commutative function that handles and produces null values as well.
433	>	static Integer subtract(Integer x, Integer y) {
434	>	return (x == null && y == null) ? null :
435	>	((x == null) ? 42 : x.intValue())
436	>	- ((y == null) ? 99 : y.intValue());
437		}
438
439	<	// seq completion methods
440	<
441	<	/**
442	<	* thenRun result completes normally after normal completion of source
443	<	*/
444	<	public void testThenRun() {
445	<	CompletableFuture<Integer> f;
446	<	CompletableFuture<Void> g;
501	<	Noop r;
502	<
503	<	f = new CompletableFuture<>();
504	<	g = f.thenRun(r = new Noop());
505	<	f.complete(null);
506	<	checkCompletedNormally(g, null);
507	<	assertTrue(r.ran);
508	<
509	<	f = new CompletableFuture<>();
510	<	f.complete(null);
511	<	g = f.thenRun(r = new Noop());
512	<	checkCompletedNormally(g, null);
513	<	assertTrue(r.ran);
439	>	class SubtractAction extends CheckedIntegerAction
440	>	implements BiConsumer<Integer, Integer>
441	>	{
442	>	SubtractAction(ExecutionMode m) { super(m); }
443	>	public void accept(Integer x, Integer y) {
444	>	invoked();
445	>	value = subtract(x, y);
446	>	}
447		}
448
449	<	/**
450	<	* thenRun result completes exceptionally after exceptional
451	<	* completion of source
452	<	*/
453	<	public void testThenRun2() {
454	<	CompletableFuture<Integer> f;
455	<	CompletableFuture<Void> g;
456	<	Noop r;
524	<
525	<	f = new CompletableFuture<>();
526	<	g = f.thenRun(r = new Noop());
527	<	f.completeExceptionally(new CFException());
528	<	checkCompletedWithWrappedCFException(g);
529	<	assertFalse(r.ran);
530	<
531	<	f = new CompletableFuture<>();
532	<	f.completeExceptionally(new CFException());
533	<	g = f.thenRun(r = new Noop());
534	<	checkCompletedWithWrappedCFException(g);
535	<	assertFalse(r.ran);
449	>	class SubtractFunction extends CheckedIntegerAction
450	>	implements BiFunction<Integer, Integer, Integer>
451	>	{
452	>	SubtractFunction(ExecutionMode m) { super(m); }
453	>	public Integer apply(Integer x, Integer y) {
454	>	invoked();
455	>	return value = subtract(x, y);
456	>	}
457		}
458
459	<	/**
460	<	* thenRun result completes exceptionally if action does
461	<	*/
462	<	public void testThenRun3() {
463	<	CompletableFuture<Integer> f;
543	<	CompletableFuture<Void> g;
544	<	FailingNoop r;
545	<
546	<	f = new CompletableFuture<>();
547	<	g = f.thenRun(r = new FailingNoop());
548	<	f.complete(null);
549	<	checkCompletedWithWrappedCFException(g);
550	<
551	<	f = new CompletableFuture<>();
552	<	f.complete(null);
553	<	g = f.thenRun(r = new FailingNoop());
554	<	checkCompletedWithWrappedCFException(g);
459	>	class Noop extends CheckedAction implements Runnable {
460	>	Noop(ExecutionMode m) { super(m); }
461	>	public void run() {
462	>	invoked();
463	>	}
464		}
465
466	<	/**
467	<	* thenRun result completes exceptionally if source cancelled
468	<	*/
469	<	public void testThenRun4() {
470	<	CompletableFuture<Integer> f;
471	<	CompletableFuture<Void> g;
472	<	Noop r;
473	<
565	<	f = new CompletableFuture<>();
566	<	g = f.thenRun(r = new Noop());
567	<	assertTrue(f.cancel(true));
568	<	checkCompletedWithWrappedCancellationException(g);
569	<
570	<	f = new CompletableFuture<>();
571	<	assertTrue(f.cancel(true));
572	<	g = f.thenRun(r = new Noop());
573	<	checkCompletedWithWrappedCancellationException(g);
466	>	class FailingSupplier extends CheckedAction
467	>	implements Supplier<Integer>
468	>	{
469	>	FailingSupplier(ExecutionMode m) { super(m); }
470	>	public Integer get() {
471	>	invoked();
472	>	throw new CFException();
473	>	}
474		}
475
476	<	/**
477	<	* thenApply result completes normally after normal completion of source
478	<	*/
479	<	public void testThenApply() {
480	<	CompletableFuture<Integer> f = new CompletableFuture<>();
481	<	CompletableFuture<Integer> g = f.thenApply(inc);
482	<	f.complete(one);
483	<	checkCompletedNormally(g, two);
476	>	class FailingConsumer extends CheckedIntegerAction
477	>	implements Consumer<Integer>
478	>	{
479	>	FailingConsumer(ExecutionMode m) { super(m); }
480	>	public void accept(Integer x) {
481	>	invoked();
482	>	value = x;
483	>	throw new CFException();
484	>	}
485		}
486
487	<	/**
488	<	* thenApply result completes exceptionally after exceptional
489	<	* completion of source
490	<	*/
491	<	public void testThenApply2() {
492	<	CompletableFuture<Integer> f = new CompletableFuture<>();
493	<	CompletableFuture<Integer> g = f.thenApply(inc);
494	<	f.completeExceptionally(new CFException());
495	<	checkCompletedWithWrappedCFException(g);
487	>	class FailingBiConsumer extends CheckedIntegerAction
488	>	implements BiConsumer<Integer, Integer>
489	>	{
490	>	FailingBiConsumer(ExecutionMode m) { super(m); }
491	>	public void accept(Integer x, Integer y) {
492	>	invoked();
493	>	value = subtract(x, y);
494	>	throw new CFException();
495	>	}
496		}
497
498	<	/**
499	<	* thenApply result completes exceptionally if action does
500	<	*/
501	<	public void testThenApply3() {
502	<	CompletableFuture<Integer> f = new CompletableFuture<>();
503	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
504	<	f.complete(one);
505	<	checkCompletedWithWrappedCFException(g);
498	>	class FailingFunction extends CheckedIntegerAction
499	>	implements Function<Integer, Integer>
500	>	{
501	>	FailingFunction(ExecutionMode m) { super(m); }
502	>	public Integer apply(Integer x) {
503	>	invoked();
504	>	value = x;
505	>	throw new CFException();
506	>	}
507		}
508
509	<	/**
510	<	* thenApply result completes exceptionally if source cancelled
511	<	*/
512	<	public void testThenApply4() {
513	<	CompletableFuture<Integer> f = new CompletableFuture<>();
514	<	CompletableFuture<Integer> g = f.thenApply(inc);
515	<	assertTrue(f.cancel(true));
516	<	checkCompletedWithWrappedCancellationException(g);
509	>	class FailingBiFunction extends CheckedIntegerAction
510	>	implements BiFunction<Integer, Integer, Integer>
511	>	{
512	>	FailingBiFunction(ExecutionMode m) { super(m); }
513	>	public Integer apply(Integer x, Integer y) {
514	>	invoked();
515	>	value = subtract(x, y);
516	>	throw new CFException();
517	>	}
518		}
519
520	<	/**
521	<	* thenAccept result completes normally after normal completion of source
522	<	*/
523	<	public void testThenAccept() {
524	<	CompletableFuture<Integer> f = new CompletableFuture<>();
525	<	IncAction r = new IncAction();
623	<	CompletableFuture<Void> g = f.thenAccept(r);
624	<	f.complete(one);
625	<	checkCompletedNormally(g, null);
626	<	assertEquals(r.value, 2);
520	>	class FailingRunnable extends CheckedAction implements Runnable {
521	>	FailingRunnable(ExecutionMode m) { super(m); }
522	>	public void run() {
523	>	invoked();
524	>	throw new CFException();
525	>	}
526		}
527
629	–	/**
630	–	* thenAccept result completes exceptionally after exceptional
631	–	* completion of source
632	–	*/
633	–	public void testThenAccept2() {
634	–	CompletableFuture<Integer> f = new CompletableFuture<>();
635	–	IncAction r = new IncAction();
636	–	CompletableFuture<Void> g = f.thenAccept(r);
637	–	f.completeExceptionally(new CFException());
638	–	checkCompletedWithWrappedCFException(g);
639	–	}
528
529	<	/**
530	<	* thenAccept result completes exceptionally if action does
531	<	*/
532	<	public void testThenAccept3() {
533	<	CompletableFuture<Integer> f = new CompletableFuture<>();
534	<	FailingConsumer r = new FailingConsumer();
535	<	CompletableFuture<Void> g = f.thenAccept(r);
536	<	f.complete(one);
537	<	checkCompletedWithWrappedCFException(g);
538	<	assertTrue(r.ran);
529	>	class CompletableFutureInc extends CheckedIntegerAction
530	>	implements Function<Integer, CompletableFuture<Integer>>
531	>	{
532	>	CompletableFutureInc(ExecutionMode m) { super(m); }
533	>	public CompletableFuture<Integer> apply(Integer x) {
534	>	invoked();
535	>	value = x;
536	>	CompletableFuture<Integer> f = new CompletableFuture<>();
537	>	f.complete(inc(x));
538	>	return f;
539	>	}
540		}
541
542	<	/**
543	<	* thenAccept result completes exceptionally if source cancelled
544	<	*/
545	<	public void testThenAccept4() {
546	<	CompletableFuture<Integer> f = new CompletableFuture<>();
547	<	IncAction r = new IncAction();
548	<	CompletableFuture<Void> g = f.thenAccept(r);
549	<	assertTrue(f.cancel(true));
550	<	checkCompletedWithWrappedCancellationException(g);
542	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
543	>	implements Function<Integer, CompletableFuture<Integer>>
544	>	{
545	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
546	>	public CompletableFuture<Integer> apply(Integer x) {
547	>	invoked();
548	>	value = x;
549	>	throw new CFException();
550	>	}
551		}
552
553	<	/**
554	<	* thenCombine result completes normally after normal completion
555	<	* of sources
556	<	*/
557	<	public void testThenCombine() {
558	<	CompletableFuture<Integer> f, g, h;
559	<
671	<	f = new CompletableFuture<>();
672	<	g = new CompletableFuture<>();
673	<	h = f.thenCombine(g, subtract);
674	<	f.complete(3);
675	<	checkIncomplete(h);
676	<	g.complete(1);
677	<	checkCompletedNormally(h, 2);
678	<
679	<	f = new CompletableFuture<>();
680	<	g = new CompletableFuture<>();
681	<	h = f.thenCombine(g, subtract);
682	<	g.complete(1);
683	<	checkIncomplete(h);
684	<	f.complete(3);
685	<	checkCompletedNormally(h, 2);
553	>	// Used for explicit executor tests
554	>	static final class ThreadExecutor implements Executor {
555	>	final AtomicInteger count = new AtomicInteger(0);
556	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
557	>	static boolean startedCurrentThread() {
558	>	return Thread.currentThread().getThreadGroup() == tg;
559	>	}
560
561	<	f = new CompletableFuture<>();
562	<	g = new CompletableFuture<>();
563	<	g.complete(1);
564	<	f.complete(3);
691	<	h = f.thenCombine(g, subtract);
692	<	checkCompletedNormally(h, 2);
561	>	public void execute(Runnable r) {
562	>	count.getAndIncrement();
563	>	new Thread(tg, r).start();
564	>	}
565		}
566
567		/**
568	<	* thenCombine result completes exceptionally after exceptional
569	<	* completion of either source
568	>	* Permits the testing of parallel code for the 3 different
569	>	* execution modes without copy/pasting all the test methods.
570		*/
571	<	public void testThenCombine2() {
572	<	CompletableFuture<Integer> f, g, h;
573	<
574	<	f = new CompletableFuture<>();
575	<	g = new CompletableFuture<>();
576	<	h = f.thenCombine(g, subtract);
577	<	f.completeExceptionally(new CFException());
578	<	checkIncomplete(h);
579	<	g.complete(1);
580	<	checkCompletedWithWrappedCFException(h);
581	<
582	<	f = new CompletableFuture<>();
583	<	g = new CompletableFuture<>();
584	<	h = f.thenCombine(g, subtract);
585	<	g.completeExceptionally(new CFException());
586	<	checkIncomplete(h);
587	<	f.complete(3);
588	<	checkCompletedWithWrappedCFException(h);
571	>	enum ExecutionMode {
572	>	DEFAULT {
573	>	public void checkExecutionMode() {
574	>	assertFalse(ThreadExecutor.startedCurrentThread());
575	>	assertNull(ForkJoinTask.getPool());
576	>	}
577	>	public CompletableFuture<Void> runAsync(Runnable a) {
578	>	throw new UnsupportedOperationException();
579	>	}
580	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
581	>	throw new UnsupportedOperationException();
582	>	}
583	>	public <T> CompletableFuture<Void> thenRun
584	>	(CompletableFuture<T> f, Runnable a) {
585	>	return f.thenRun(a);
586	>	}
587	>	public <T> CompletableFuture<Void> thenAccept
588	>	(CompletableFuture<T> f, Consumer<? super T> a) {
589	>	return f.thenAccept(a);
590	>	}
591	>	public <T,U> CompletableFuture<U> thenApply
592	>	(CompletableFuture<T> f, Function<? super T,U> a) {
593	>	return f.thenApply(a);
594	>	}
595	>	public <T,U> CompletableFuture<U> thenCompose
596	>	(CompletableFuture<T> f,
597	>	Function<? super T,? extends CompletionStage<U>> a) {
598	>	return f.thenCompose(a);
599	>	}
600	>	public <T,U> CompletableFuture<U> handle
601	>	(CompletableFuture<T> f,
602	>	BiFunction<? super T,Throwable,? extends U> a) {
603	>	return f.handle(a);
604	>	}
605	>	public <T> CompletableFuture<T> whenComplete
606	>	(CompletableFuture<T> f,
607	>	BiConsumer<? super T,? super Throwable> a) {
608	>	return f.whenComplete(a);
609	>	}
610	>	public <T,U> CompletableFuture<Void> runAfterBoth
611	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
612	>	return f.runAfterBoth(g, a);
613	>	}
614	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
615	>	(CompletableFuture<T> f,
616	>	CompletionStage<? extends U> g,
617	>	BiConsumer<? super T,? super U> a) {
618	>	return f.thenAcceptBoth(g, a);
619	>	}
620	>	public <T,U,V> CompletableFuture<V> thenCombine
621	>	(CompletableFuture<T> f,
622	>	CompletionStage<? extends U> g,
623	>	BiFunction<? super T,? super U,? extends V> a) {
624	>	return f.thenCombine(g, a);
625	>	}
626	>	public <T> CompletableFuture<Void> runAfterEither
627	>	(CompletableFuture<T> f,
628	>	CompletionStage<?> g,
629	>	java.lang.Runnable a) {
630	>	return f.runAfterEither(g, a);
631	>	}
632	>	public <T> CompletableFuture<Void> acceptEither
633	>	(CompletableFuture<T> f,
634	>	CompletionStage<? extends T> g,
635	>	Consumer<? super T> a) {
636	>	return f.acceptEither(g, a);
637	>	}
638	>	public <T,U> CompletableFuture<U> applyToEither
639	>	(CompletableFuture<T> f,
640	>	CompletionStage<? extends T> g,
641	>	Function<? super T,U> a) {
642	>	return f.applyToEither(g, a);
643	>	}
644	>	},
645
646	<	f = new CompletableFuture<>();
647	<	g = new CompletableFuture<>();
648	<	f.complete(3);
649	<	g.completeExceptionally(new CFException());
650	<	h = f.thenCombine(g, subtract);
651	<	checkCompletedWithWrappedCFException(h);
646	>	ASYNC {
647	>	public void checkExecutionMode() {
648	>	assertSame(ForkJoinPool.commonPool(),
649	>	ForkJoinTask.getPool());
650	>	}
651	>	public CompletableFuture<Void> runAsync(Runnable a) {
652	>	return CompletableFuture.runAsync(a);
653	>	}
654	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
655	>	return CompletableFuture.supplyAsync(a);
656	>	}
657	>	public <T> CompletableFuture<Void> thenRun
658	>	(CompletableFuture<T> f, Runnable a) {
659	>	return f.thenRunAsync(a);
660	>	}
661	>	public <T> CompletableFuture<Void> thenAccept
662	>	(CompletableFuture<T> f, Consumer<? super T> a) {
663	>	return f.thenAcceptAsync(a);
664	>	}
665	>	public <T,U> CompletableFuture<U> thenApply
666	>	(CompletableFuture<T> f, Function<? super T,U> a) {
667	>	return f.thenApplyAsync(a);
668	>	}
669	>	public <T,U> CompletableFuture<U> thenCompose
670	>	(CompletableFuture<T> f,
671	>	Function<? super T,? extends CompletionStage<U>> a) {
672	>	return f.thenComposeAsync(a);
673	>	}
674	>	public <T,U> CompletableFuture<U> handle
675	>	(CompletableFuture<T> f,
676	>	BiFunction<? super T,Throwable,? extends U> a) {
677	>	return f.handleAsync(a);
678	>	}
679	>	public <T> CompletableFuture<T> whenComplete
680	>	(CompletableFuture<T> f,
681	>	BiConsumer<? super T,? super Throwable> a) {
682	>	return f.whenCompleteAsync(a);
683	>	}
684	>	public <T,U> CompletableFuture<Void> runAfterBoth
685	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
686	>	return f.runAfterBothAsync(g, a);
687	>	}
688	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
689	>	(CompletableFuture<T> f,
690	>	CompletionStage<? extends U> g,
691	>	BiConsumer<? super T,? super U> a) {
692	>	return f.thenAcceptBothAsync(g, a);
693	>	}
694	>	public <T,U,V> CompletableFuture<V> thenCombine
695	>	(CompletableFuture<T> f,
696	>	CompletionStage<? extends U> g,
697	>	BiFunction<? super T,? super U,? extends V> a) {
698	>	return f.thenCombineAsync(g, a);
699	>	}
700	>	public <T> CompletableFuture<Void> runAfterEither
701	>	(CompletableFuture<T> f,
702	>	CompletionStage<?> g,
703	>	java.lang.Runnable a) {
704	>	return f.runAfterEitherAsync(g, a);
705	>	}
706	>	public <T> CompletableFuture<Void> acceptEither
707	>	(CompletableFuture<T> f,
708	>	CompletionStage<? extends T> g,
709	>	Consumer<? super T> a) {
710	>	return f.acceptEitherAsync(g, a);
711	>	}
712	>	public <T,U> CompletableFuture<U> applyToEither
713	>	(CompletableFuture<T> f,
714	>	CompletionStage<? extends T> g,
715	>	Function<? super T,U> a) {
716	>	return f.applyToEitherAsync(g, a);
717	>	}
718	>	},
719
720	<	f = new CompletableFuture<>();
721	<	g = new CompletableFuture<>();
722	<	f.completeExceptionally(new CFException());
723	<	g.complete(3);
724	<	h = f.thenCombine(g, subtract);
725	<	checkCompletedWithWrappedCFException(h);
726	<	}
720	>	EXECUTOR {
721	>	public void checkExecutionMode() {
722	>	assertTrue(ThreadExecutor.startedCurrentThread());
723	>	}
724	>	public CompletableFuture<Void> runAsync(Runnable a) {
725	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
726	>	}
727	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
728	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
729	>	}
730	>	public <T> CompletableFuture<Void> thenRun
731	>	(CompletableFuture<T> f, Runnable a) {
732	>	return f.thenRunAsync(a, new ThreadExecutor());
733	>	}
734	>	public <T> CompletableFuture<Void> thenAccept
735	>	(CompletableFuture<T> f, Consumer<? super T> a) {
736	>	return f.thenAcceptAsync(a, new ThreadExecutor());
737	>	}
738	>	public <T,U> CompletableFuture<U> thenApply
739	>	(CompletableFuture<T> f, Function<? super T,U> a) {
740	>	return f.thenApplyAsync(a, new ThreadExecutor());
741	>	}
742	>	public <T,U> CompletableFuture<U> thenCompose
743	>	(CompletableFuture<T> f,
744	>	Function<? super T,? extends CompletionStage<U>> a) {
745	>	return f.thenComposeAsync(a, new ThreadExecutor());
746	>	}
747	>	public <T,U> CompletableFuture<U> handle
748	>	(CompletableFuture<T> f,
749	>	BiFunction<? super T,Throwable,? extends U> a) {
750	>	return f.handleAsync(a, new ThreadExecutor());
751	>	}
752	>	public <T> CompletableFuture<T> whenComplete
753	>	(CompletableFuture<T> f,
754	>	BiConsumer<? super T,? super Throwable> a) {
755	>	return f.whenCompleteAsync(a, new ThreadExecutor());
756	>	}
757	>	public <T,U> CompletableFuture<Void> runAfterBoth
758	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
759	>	return f.runAfterBothAsync(g, a, new ThreadExecutor());
760	>	}
761	>	public <T,U> CompletableFuture<Void> thenAcceptBoth
762	>	(CompletableFuture<T> f,
763	>	CompletionStage<? extends U> g,
764	>	BiConsumer<? super T,? super U> a) {
765	>	return f.thenAcceptBothAsync(g, a, new ThreadExecutor());
766	>	}
767	>	public <T,U,V> CompletableFuture<V> thenCombine
768	>	(CompletableFuture<T> f,
769	>	CompletionStage<? extends U> g,
770	>	BiFunction<? super T,? super U,? extends V> a) {
771	>	return f.thenCombineAsync(g, a, new ThreadExecutor());
772	>	}
773	>	public <T> CompletableFuture<Void> runAfterEither
774	>	(CompletableFuture<T> f,
775	>	CompletionStage<?> g,
776	>	java.lang.Runnable a) {
777	>	return f.runAfterEitherAsync(g, a, new ThreadExecutor());
778	>	}
779	>	public <T> CompletableFuture<Void> acceptEither
780	>	(CompletableFuture<T> f,
781	>	CompletionStage<? extends T> g,
782	>	Consumer<? super T> a) {
783	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
784	>	}
785	>	public <T,U> CompletableFuture<U> applyToEither
786	>	(CompletableFuture<T> f,
787	>	CompletionStage<? extends T> g,
788	>	Function<? super T,U> a) {
789	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
790	>	}
791	>	};
792
793	<	/**
794	<	* thenCombine result completes exceptionally if action does
795	<	*/
796	<	public void testThenCombine3() {
797	<	CompletableFuture<Integer> f = new CompletableFuture<>();
798	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
799	<	FailingBiFunction r = new FailingBiFunction();
800	<	CompletableFuture<Integer> g = f.thenCombine(f2, r);
801	<	f.complete(one);
802	<	checkIncomplete(g);
803	<	assertFalse(r.ran);
804	<	f2.complete(two);
805	<	checkCompletedWithWrappedCFException(g);
806	<	assertTrue(r.ran);
807	<	}
793	>	public abstract void checkExecutionMode();
794	>	public abstract CompletableFuture<Void> runAsync(Runnable a);
795	>	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
796	>	public abstract <T> CompletableFuture<Void> thenRun
797	>	(CompletableFuture<T> f, Runnable a);
798	>	public abstract <T> CompletableFuture<Void> thenAccept
799	>	(CompletableFuture<T> f, Consumer<? super T> a);
800	>	public abstract <T,U> CompletableFuture<U> thenApply
801	>	(CompletableFuture<T> f, Function<? super T,U> a);
802	>	public abstract <T,U> CompletableFuture<U> thenCompose
803	>	(CompletableFuture<T> f,
804	>	Function<? super T,? extends CompletionStage<U>> a);
805	>	public abstract <T,U> CompletableFuture<U> handle
806	>	(CompletableFuture<T> f,
807	>	BiFunction<? super T,Throwable,? extends U> a);
808	>	public abstract <T> CompletableFuture<T> whenComplete
809	>	(CompletableFuture<T> f,
810	>	BiConsumer<? super T,? super Throwable> a);
811	>	public abstract <T,U> CompletableFuture<Void> runAfterBoth
812	>	(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
813	>	public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
814	>	(CompletableFuture<T> f,
815	>	CompletionStage<? extends U> g,
816	>	BiConsumer<? super T,? super U> a);
817	>	public abstract <T,U,V> CompletableFuture<V> thenCombine
818	>	(CompletableFuture<T> f,
819	>	CompletionStage<? extends U> g,
820	>	BiFunction<? super T,? super U,? extends V> a);
821	>	public abstract <T> CompletableFuture<Void> runAfterEither
822	>	(CompletableFuture<T> f,
823	>	CompletionStage<?> g,
824	>	java.lang.Runnable a);
825	>	public abstract <T> CompletableFuture<Void> acceptEither
826	>	(CompletableFuture<T> f,
827	>	CompletionStage<? extends T> g,
828	>	Consumer<? super T> a);
829	>	public abstract <T,U> CompletableFuture<U> applyToEither
830	>	(CompletableFuture<T> f,
831	>	CompletionStage<? extends T> g,
832	>	Function<? super T,U> a);
833	>	}
834	>
835	>	/**
836	>	* exceptionally action is not invoked when source completes
837	>	* normally, and source result is propagated
838	>	*/
839	>	public void testExceptionally_normalCompletion() {
840	>	for (boolean createIncomplete : new boolean[] { true, false })
841	>	for (Integer v1 : new Integer[] { 1, null })
842	>	{
843	>	final AtomicInteger a = new AtomicInteger(0);
844	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
845	>	if (!createIncomplete) f.complete(v1);
846	>	final CompletableFuture<Integer> g = f.exceptionally
847	>	((Throwable t) -> {
848	>	// Should not be called
849	>	a.getAndIncrement();
850	>	throw new AssertionError();
851	>	});
852	>	if (createIncomplete) f.complete(v1);
853	>
854	>	checkCompletedNormally(g, v1);
855	>	checkCompletedNormally(f, v1);
856	>	assertEquals(0, a.get());
857	>	}}
858
859		/**
860	<	* thenCombine result completes exceptionally if either source cancelled
860	>	* exceptionally action completes with function value on source
861	>	* exception
862		*/
863	<	public void testThenCombine4() {
864	<	CompletableFuture<Integer> f, g, h;
865	<
866	<	f = new CompletableFuture<>();
867	<	g = new CompletableFuture<>();
868	<	h = f.thenCombine(g, subtract);
869	<	assertTrue(f.cancel(true));
870	<	checkIncomplete(h);
871	<	g.complete(1);
872	<	checkCompletedWithWrappedCancellationException(h);
873	<
874	<	f = new CompletableFuture<>();
875	<	g = new CompletableFuture<>();
876	<	h = f.thenCombine(g, subtract);
877	<	assertTrue(g.cancel(true));
878	<	checkIncomplete(h);
879	<	f.complete(3);
880	<	checkCompletedWithWrappedCancellationException(h);
881	<
882	<	f = new CompletableFuture<>();
883	<	g = new CompletableFuture<>();
884	<	assertTrue(f.cancel(true));
885	<	assertTrue(g.cancel(true));
886	<	h = f.thenCombine(g, subtract);
887	<	checkCompletedWithWrappedCancellationException(h);
888	<	}
863	>	public void testExceptionally_exceptionalCompletion() {
864	>	for (boolean createIncomplete : new boolean[] { true, false })
865	>	for (Integer v1 : new Integer[] { 1, null })
866	>	{
867	>	final AtomicInteger a = new AtomicInteger(0);
868	>	final CFException ex = new CFException();
869	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
870	>	if (!createIncomplete) f.completeExceptionally(ex);
871	>	final CompletableFuture<Integer> g = f.exceptionally
872	>	((Throwable t) -> {
873	>	ExecutionMode.DEFAULT.checkExecutionMode();
874	>	threadAssertSame(t, ex);
875	>	a.getAndIncrement();
876	>	return v1;
877	>	});
878	>	if (createIncomplete) f.completeExceptionally(ex);
879	>
880	>	checkCompletedNormally(g, v1);
881	>	assertEquals(1, a.get());
882	>	}}
883	>
884	>	public void testExceptionally_exceptionalCompletionActionFailed() {
885	>	for (boolean createIncomplete : new boolean[] { true, false })
886	>	for (Integer v1 : new Integer[] { 1, null })
887	>	{
888	>	final AtomicInteger a = new AtomicInteger(0);
889	>	final CFException ex1 = new CFException();
890	>	final CFException ex2 = new CFException();
891	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
892	>	if (!createIncomplete) f.completeExceptionally(ex1);
893	>	final CompletableFuture<Integer> g = f.exceptionally
894	>	((Throwable t) -> {
895	>	ExecutionMode.DEFAULT.checkExecutionMode();
896	>	threadAssertSame(t, ex1);
897	>	a.getAndIncrement();
898	>	throw ex2;
899	>	});
900	>	if (createIncomplete) f.completeExceptionally(ex1);
901	>
902	>	checkCompletedWithWrappedException(g, ex2);
903	>	assertEquals(1, a.get());
904	>	}}
905
906		/**
907	<	* thenAcceptBoth result completes normally after normal
908	<	* completion of sources
907	>	* whenComplete action executes on normal completion, propagating
908	>	* source result.
909		*/
910	<	public void testThenAcceptBoth() {
911	<	CompletableFuture<Integer> f, g;
912	<	CompletableFuture<Void> h;
913	<	SubtractAction r;
914	<
915	<	f = new CompletableFuture<>();
916	<	g = new CompletableFuture<>();
917	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
918	<	f.complete(3);
919	<	checkIncomplete(h);
920	<	g.complete(1);
921	<	checkCompletedNormally(h, null);
922	<	assertEquals(r.value, 2);
923	<
924	<	f = new CompletableFuture<>();
925	<	g = new CompletableFuture<>();
926	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
927	<	g.complete(1);
928	<	checkIncomplete(h);
929	<	f.complete(3);
930	<	checkCompletedNormally(h, null);
931	<	assertEquals(r.value, 2);
805	<
806	<	f = new CompletableFuture<>();
807	<	g = new CompletableFuture<>();
808	<	g.complete(1);
809	<	f.complete(3);
810	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
811	<	checkCompletedNormally(h, null);
812	<	assertEquals(r.value, 2);
813	<	}
910	>	public void testWhenComplete_normalCompletion1() {
911	>	for (ExecutionMode m : ExecutionMode.values())
912	>	for (boolean createIncomplete : new boolean[] { true, false })
913	>	for (Integer v1 : new Integer[] { 1, null })
914	>	{
915	>	final AtomicInteger a = new AtomicInteger(0);
916	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
917	>	if (!createIncomplete) f.complete(v1);
918	>	final CompletableFuture<Integer> g = m.whenComplete
919	>	(f,
920	>	(Integer x, Throwable t) -> {
921	>	m.checkExecutionMode();
922	>	threadAssertSame(x, v1);
923	>	threadAssertNull(t);
924	>	a.getAndIncrement();
925	>	});
926	>	if (createIncomplete) f.complete(v1);
927	>
928	>	checkCompletedNormally(g, v1);
929	>	checkCompletedNormally(f, v1);
930	>	assertEquals(1, a.get());
931	>	}}
932
933		/**
934	<	* thenAcceptBoth result completes exceptionally after exceptional
935	<	* completion of either source
818	<	*/
819	<	public void testThenAcceptBoth2() {
820	<	CompletableFuture<Integer> f, g;
821	<	CompletableFuture<Void> h;
822	<	SubtractAction r;
823	<
824	<	f = new CompletableFuture<>();
825	<	g = new CompletableFuture<>();
826	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
827	<	f.completeExceptionally(new CFException());
828	<	checkIncomplete(h);
829	<	g.complete(1);
830	<	checkCompletedWithWrappedCFException(h);
831	<
832	<	f = new CompletableFuture<>();
833	<	g = new CompletableFuture<>();
834	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
835	<	g.completeExceptionally(new CFException());
836	<	checkIncomplete(h);
837	<	f.complete(3);
838	<	checkCompletedWithWrappedCFException(h);
839	<
840	<	f = new CompletableFuture<>();
841	<	g = new CompletableFuture<>();
842	<	f.complete(3);
843	<	g.completeExceptionally(new CFException());
844	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
845	<	checkCompletedWithWrappedCFException(h);
846	<
847	<	f = new CompletableFuture<>();
848	<	g = new CompletableFuture<>();
849	<	f.completeExceptionally(new CFException());
850	<	g.complete(3);
851	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
852	<	checkCompletedWithWrappedCFException(h);
853	<	}
854	<
855	<	/**
856	<	* thenAcceptBoth result completes exceptionally if action does
934	>	* whenComplete action executes on exceptional completion, propagating
935	>	* source result.
936		*/
937	<	public void testThenAcceptBoth3() {
938	<	CompletableFuture<Integer> f, g;
939	<	CompletableFuture<Void> h;
940	<	FailingBiConsumer r;
941	<
942	<	f = new CompletableFuture<>();
943	<	g = new CompletableFuture<>();
944	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
945	<	f.complete(3);
946	<	checkIncomplete(h);
947	<	g.complete(1);
948	<	checkCompletedWithWrappedCFException(h);
937	>	public void testWhenComplete_exceptionalCompletion() {
938	>	for (ExecutionMode m : ExecutionMode.values())
939	>	for (boolean createIncomplete : new boolean[] { true, false })
940	>	for (Integer v1 : new Integer[] { 1, null })
941	>	{
942	>	final AtomicInteger a = new AtomicInteger(0);
943	>	final CFException ex = new CFException();
944	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
945	>	if (!createIncomplete) f.completeExceptionally(ex);
946	>	final CompletableFuture<Integer> g = m.whenComplete
947	>	(f,
948	>	(Integer x, Throwable t) -> {
949	>	m.checkExecutionMode();
950	>	threadAssertNull(x);
951	>	threadAssertSame(t, ex);
952	>	a.getAndIncrement();
953	>	});
954	>	if (createIncomplete) f.completeExceptionally(ex);
955	>
956	>	checkCompletedWithWrappedException(g, ex);
957	>	checkCompletedExceptionally(f, ex);
958	>	assertEquals(1, a.get());
959	>	}}
960	>
961	>	/**
962	>	* whenComplete action executes on cancelled source, propagating
963	>	* CancellationException.
964	>	*/
965	>	public void testWhenComplete_sourceCancelled() {
966	>	for (ExecutionMode m : ExecutionMode.values())
967	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
968	>	for (boolean createIncomplete : new boolean[] { true, false })
969	>	{
970	>	final AtomicInteger a = new AtomicInteger(0);
971	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
972	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
973	>	final CompletableFuture<Integer> g = m.whenComplete
974	>	(f,
975	>	(Integer x, Throwable t) -> {
976	>	m.checkExecutionMode();
977	>	threadAssertNull(x);
978	>	threadAssertTrue(t instanceof CancellationException);
979	>	a.getAndIncrement();
980	>	});
981	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
982
983	<	f = new CompletableFuture<>();
984	<	g = new CompletableFuture<>();
985	<	f.complete(3);
986	<	g.complete(1);
875	<	h = f.thenAcceptBoth(g, r = new FailingBiConsumer());
876	<	checkCompletedWithWrappedCFException(h);
877	<	}
983	>	checkCompletedWithWrappedCancellationException(g);
984	>	checkCancelled(f);
985	>	assertEquals(1, a.get());
986	>	}}
987
988		/**
989	<	* thenAcceptBoth result completes exceptionally if either source cancelled
989	>	* If a whenComplete action throws an exception when triggered by
990	>	* a normal completion, it completes exceptionally
991		*/
992	<	public void testThenAcceptBoth4() {
993	<	CompletableFuture<Integer> f, g;
994	<	CompletableFuture<Void> h;
995	<	SubtractAction r;
996	<
997	<	f = new CompletableFuture<>();
998	<	g = new CompletableFuture<>();
999	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1000	<	assertTrue(f.cancel(true));
1001	<	checkIncomplete(h);
1002	<	g.complete(1);
1003	<	checkCompletedWithWrappedCancellationException(h);
1004	<
1005	<	f = new CompletableFuture<>();
1006	<	g = new CompletableFuture<>();
1007	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
1008	<	assertTrue(g.cancel(true));
1009	<	checkIncomplete(h);
1010	<	f.complete(3);
1011	<	checkCompletedWithWrappedCancellationException(h);
1012	<
1013	<	f = new CompletableFuture<>();
1014	<	g = new CompletableFuture<>();
1015	<	f.complete(3);
906	<	assertTrue(g.cancel(true));
907	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
908	<	checkCompletedWithWrappedCancellationException(h);
909	<
910	<	f = new CompletableFuture<>();
911	<	g = new CompletableFuture<>();
912	<	assertTrue(f.cancel(true));
913	<	g.complete(3);
914	<	h = f.thenAcceptBoth(g, r = new SubtractAction());
915	<	checkCompletedWithWrappedCancellationException(h);
916	<	}
992	>	public void testWhenComplete_actionFailed() {
993	>	for (boolean createIncomplete : new boolean[] { true, false })
994	>	for (ExecutionMode m : ExecutionMode.values())
995	>	for (Integer v1 : new Integer[] { 1, null })
996	>	{
997	>	final AtomicInteger a = new AtomicInteger(0);
998	>	final CFException ex = new CFException();
999	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1000	>	if (!createIncomplete) f.complete(v1);
1001	>	final CompletableFuture<Integer> g = m.whenComplete
1002	>	(f,
1003	>	(Integer x, Throwable t) -> {
1004	>	m.checkExecutionMode();
1005	>	threadAssertSame(x, v1);
1006	>	threadAssertNull(t);
1007	>	a.getAndIncrement();
1008	>	throw ex;
1009	>	});
1010	>	if (createIncomplete) f.complete(v1);
1011	>
1012	>	checkCompletedWithWrappedException(g, ex);
1013	>	checkCompletedNormally(f, v1);
1014	>	assertEquals(1, a.get());
1015	>	}}
1016
1017		/**
1018	<	* runAfterBoth result completes normally after normal
1019	<	* completion of sources
1018	>	* If a whenComplete action throws an exception when triggered by
1019	>	* a source completion that also throws an exception, the source
1020	>	* exception takes precedence.
1021		*/
1022	<	public void testRunAfterBoth() {
1023	<	CompletableFuture<Integer> f, g;
1024	<	CompletableFuture<Void> h;
1025	<	Noop r;
1026	<
1027	<	f = new CompletableFuture<>();
1028	<	g = new CompletableFuture<>();
1029	<	h = f.runAfterBoth(g, r = new Noop());
1030	<	f.complete(3);
1031	<	checkIncomplete(h);
1032	<	g.complete(1);
1033	<	checkCompletedNormally(h, null);
1034	<	assertTrue(r.ran);
1035	<
1036	<	f = new CompletableFuture<>();
1037	<	g = new CompletableFuture<>();
1038	<	h = f.runAfterBoth(g, r = new Noop());
1039	<	g.complete(1);
1040	<	checkIncomplete(h);
1041	<	f.complete(3);
1042	<	checkCompletedNormally(h, null);
1043	<	assertTrue(r.ran);
1044	<
1045	<	f = new CompletableFuture<>();
1046	<	g = new CompletableFuture<>();
1047	<	g.complete(1);
1048	<	f.complete(3);
1049	<	h = f.runAfterBoth(g, r = new Noop());
1050	<	checkCompletedNormally(h, null);
1051	<	assertTrue(r.ran);
1052	<	}
1022	>	public void testWhenComplete_actionFailedSourceFailed() {
1023	>	for (boolean createIncomplete : new boolean[] { true, false })
1024	>	for (ExecutionMode m : ExecutionMode.values())
1025	>	for (Integer v1 : new Integer[] { 1, null })
1026	>	{
1027	>	final AtomicInteger a = new AtomicInteger(0);
1028	>	final CFException ex1 = new CFException();
1029	>	final CFException ex2 = new CFException();
1030	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1031	>
1032	>	if (!createIncomplete) f.completeExceptionally(ex1);
1033	>	final CompletableFuture<Integer> g = m.whenComplete
1034	>	(f,
1035	>	(Integer x, Throwable t) -> {
1036	>	m.checkExecutionMode();
1037	>	threadAssertSame(t, ex1);
1038	>	threadAssertNull(x);
1039	>	a.getAndIncrement();
1040	>	throw ex2;
1041	>	});
1042	>	if (createIncomplete) f.completeExceptionally(ex1);
1043	>
1044	>	checkCompletedWithWrappedException(g, ex1);
1045	>	checkCompletedExceptionally(f, ex1);
1046	>	assertEquals(1, a.get());
1047	>	}}
1048	>
1049	>	/**
1050	>	* handle action completes normally with function value on normal
1051	>	* completion of source
1052	>	*/
1053	>	public void testHandle_normalCompletion() {
1054	>	for (ExecutionMode m : ExecutionMode.values())
1055	>	for (boolean createIncomplete : new boolean[] { true, false })
1056	>	for (Integer v1 : new Integer[] { 1, null })
1057	>	{
1058	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1059	>	final AtomicInteger a = new AtomicInteger(0);
1060	>	if (!createIncomplete) f.complete(v1);
1061	>	final CompletableFuture<Integer> g = m.handle
1062	>	(f,
1063	>	(Integer x, Throwable t) -> {
1064	>	m.checkExecutionMode();
1065	>	threadAssertSame(x, v1);
1066	>	threadAssertNull(t);
1067	>	a.getAndIncrement();
1068	>	return inc(v1);
1069	>	});
1070	>	if (createIncomplete) f.complete(v1);
1071	>
1072	>	checkCompletedNormally(g, inc(v1));
1073	>	checkCompletedNormally(f, v1);
1074	>	assertEquals(1, a.get());
1075	>	}}
1076
1077		/**
1078	<	* runAfterBoth result completes exceptionally after exceptional
1079	<	* completion of either source
1078	>	* handle action completes normally with function value on
1079	>	* exceptional completion of source
1080		*/
1081	<	public void testRunAfterBoth2() {
1082	<	CompletableFuture<Integer> f, g;
1083	<	CompletableFuture<Void> h;
1084	<	Noop r;
1085	<
1086	<	f = new CompletableFuture<>();
1087	<	g = new CompletableFuture<>();
1088	<	h = f.runAfterBoth(g, r = new Noop());
1089	<	f.completeExceptionally(new CFException());
1090	<	checkIncomplete(h);
1091	<	g.complete(1);
1092	<	checkCompletedWithWrappedCFException(h);
1093	<	assertFalse(r.ran);
1094	<
1095	<	f = new CompletableFuture<>();
1096	<	g = new CompletableFuture<>();
1097	<	h = f.runAfterBoth(g, r = new Noop());
1098	<	g.completeExceptionally(new CFException());
1099	<	checkIncomplete(h);
1100	<	f.complete(3);
1101	<	checkCompletedWithWrappedCFException(h);
1102	<	assertFalse(r.ran);
1103	<
1104	<	f = new CompletableFuture<>();
1105	<	g = new CompletableFuture<>();
1106	<	g.completeExceptionally(new CFException());
1107	<	f.complete(3);
1108	<	h = f.runAfterBoth(g, r = new Noop());
1109	<	checkCompletedWithWrappedCFException(h);
1110	<	assertFalse(r.ran);
1081	>	public void testHandle_exceptionalCompletion() {
1082	>	for (ExecutionMode m : ExecutionMode.values())
1083	>	for (boolean createIncomplete : new boolean[] { true, false })
1084	>	for (Integer v1 : new Integer[] { 1, null })
1085	>	{
1086	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1087	>	final AtomicInteger a = new AtomicInteger(0);
1088	>	final CFException ex = new CFException();
1089	>	if (!createIncomplete) f.completeExceptionally(ex);
1090	>	final CompletableFuture<Integer> g = m.handle
1091	>	(f,
1092	>	(Integer x, Throwable t) -> {
1093	>	m.checkExecutionMode();
1094	>	threadAssertNull(x);
1095	>	threadAssertSame(t, ex);
1096	>	a.getAndIncrement();
1097	>	return v1;
1098	>	});
1099	>	if (createIncomplete) f.completeExceptionally(ex);
1100	>
1101	>	checkCompletedNormally(g, v1);
1102	>	checkCompletedExceptionally(f, ex);
1103	>	assertEquals(1, a.get());
1104	>	}}
1105	>
1106	>	/**
1107	>	* handle action completes normally with function value on
1108	>	* cancelled source
1109	>	*/
1110	>	public void testHandle_sourceCancelled() {
1111	>	for (ExecutionMode m : ExecutionMode.values())
1112	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1113	>	for (boolean createIncomplete : new boolean[] { true, false })
1114	>	for (Integer v1 : new Integer[] { 1, null })
1115	>	{
1116	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1117	>	final AtomicInteger a = new AtomicInteger(0);
1118	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1119	>	final CompletableFuture<Integer> g = m.handle
1120	>	(f,
1121	>	(Integer x, Throwable t) -> {
1122	>	m.checkExecutionMode();
1123	>	threadAssertNull(x);
1124	>	threadAssertTrue(t instanceof CancellationException);
1125	>	a.getAndIncrement();
1126	>	return v1;
1127	>	});
1128	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1129
1130	<	f = new CompletableFuture<>();
1131	<	g = new CompletableFuture<>();
1132	<	f.completeExceptionally(new CFException());
1133	<	g.complete(1);
993	<	h = f.runAfterBoth(g, r = new Noop());
994	<	checkCompletedWithWrappedCFException(h);
995	<	assertFalse(r.ran);
996	<	}
1130	>	checkCompletedNormally(g, v1);
1131	>	checkCancelled(f);
1132	>	assertEquals(1, a.get());
1133	>	}}
1134
1135		/**
1136	<	* runAfterBoth result completes exceptionally if action does
1136	>	* handle result completes exceptionally if action does
1137		*/
1138	<	public void testRunAfterBoth3() {
1139	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1140	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1141	<	FailingNoop r = new FailingNoop();
1142	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1143	<	f.complete(one);
1144	<	checkIncomplete(g);
1145	<	f2.complete(two);
1146	<	checkCompletedWithWrappedCFException(g);
1147	<	}
1138	>	public void testHandle_sourceFailedActionFailed() {
1139	>	for (ExecutionMode m : ExecutionMode.values())
1140	>	for (boolean createIncomplete : new boolean[] { true, false })
1141	>	{
1142	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1143	>	final AtomicInteger a = new AtomicInteger(0);
1144	>	final CFException ex1 = new CFException();
1145	>	final CFException ex2 = new CFException();
1146	>	if (!createIncomplete) f.completeExceptionally(ex1);
1147	>	final CompletableFuture<Integer> g = m.handle
1148	>	(f,
1149	>	(Integer x, Throwable t) -> {
1150	>	m.checkExecutionMode();
1151	>	threadAssertNull(x);
1152	>	threadAssertSame(ex1, t);
1153	>	a.getAndIncrement();
1154	>	throw ex2;
1155	>	});
1156	>	if (createIncomplete) f.completeExceptionally(ex1);
1157	>
1158	>	checkCompletedWithWrappedException(g, ex2);
1159	>	checkCompletedExceptionally(f, ex1);
1160	>	assertEquals(1, a.get());
1161	>	}}
1162	>
1163	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1164	>	for (ExecutionMode m : ExecutionMode.values())
1165	>	for (boolean createIncomplete : new boolean[] { true, false })
1166	>	for (Integer v1 : new Integer[] { 1, null })
1167	>	{
1168	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1169	>	final AtomicInteger a = new AtomicInteger(0);
1170	>	final CFException ex = new CFException();
1171	>	if (!createIncomplete) f.complete(v1);
1172	>	final CompletableFuture<Integer> g = m.handle
1173	>	(f,
1174	>	(Integer x, Throwable t) -> {
1175	>	m.checkExecutionMode();
1176	>	threadAssertSame(x, v1);
1177	>	threadAssertNull(t);
1178	>	a.getAndIncrement();
1179	>	throw ex;
1180	>	});
1181	>	if (createIncomplete) f.complete(v1);
1182	>
1183	>	checkCompletedWithWrappedException(g, ex);
1184	>	checkCompletedNormally(f, v1);
1185	>	assertEquals(1, a.get());
1186	>	}}
1187
1188		/**
1189	<	* runAfterBoth result completes exceptionally if either source cancelled
1189	>	* runAsync completes after running Runnable
1190		*/
1191	<	public void testRunAfterBoth4() {
1192	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1193	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1194	<	Noop r = new Noop();
1195	<	CompletableFuture<Void> g = f.runAfterBoth(f2, r);
1196	<	assertTrue(f.cancel(true));
1197	<	f2.complete(two);
1198	<	checkCompletedWithWrappedCancellationException(g);
1199	<	f = new CompletableFuture<>();
1200	<	f2 = new CompletableFuture<>();
1201	<	r = new Noop();
1202	<	g = f.runAfterBoth(f2, r);
1203	<	f.complete(one);
1028	<	assertTrue(f2.cancel(true));
1029	<	checkCompletedWithWrappedCancellationException(g);
1030	<	}
1191	>	public void testRunAsync_normalCompletion() {
1192	>	ExecutionMode[] executionModes = {
1193	>	ExecutionMode.ASYNC,
1194	>	ExecutionMode.EXECUTOR,
1195	>	};
1196	>	for (ExecutionMode m : executionModes)
1197	>	{
1198	>	final Noop r = new Noop(m);
1199	>	final CompletableFuture<Void> f = m.runAsync(r);
1200	>	assertNull(f.join());
1201	>	checkCompletedNormally(f, null);
1202	>	r.assertInvoked();
1203	>	}}
1204
1205		/**
1206	<	* applyToEither result completes normally after normal completion
1034	<	* of either source
1206	>	* failing runAsync completes exceptionally after running Runnable
1207		*/
1208	<	public void testApplyToEither() {
1209	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1210	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1211	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1212	<	f.complete(one);
1213	<	checkCompletedNormally(g, two);
1214	<	f2.complete(one);
1215	<	checkCompletedNormally(g, two);
1216	<
1217	<	f = new CompletableFuture<>();
1218	<	f.complete(one);
1219	<	f2 = new CompletableFuture<>();
1048	<	g = f.applyToEither(f2, inc);
1049	<	checkCompletedNormally(g, two);
1050	<	}
1208	>	public void testRunAsync_exceptionalCompletion() {
1209	>	ExecutionMode[] executionModes = {
1210	>	ExecutionMode.ASYNC,
1211	>	ExecutionMode.EXECUTOR,
1212	>	};
1213	>	for (ExecutionMode m : executionModes)
1214	>	{
1215	>	final FailingRunnable r = new FailingRunnable(m);
1216	>	final CompletableFuture<Void> f = m.runAsync(r);
1217	>	checkCompletedWithWrappedCFException(f);
1218	>	r.assertInvoked();
1219	>	}}
1220
1221		/**
1222	<	* applyToEither result completes exceptionally after exceptional
1054	<	* completion of either source
1222	>	* supplyAsync completes with result of supplier
1223		*/
1224	<	public void testApplyToEither2() {
1225	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1226	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1227	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1228	<	f.completeExceptionally(new CFException());
1229	<	f2.complete(one);
1230	<	checkCompletedWithWrappedCFException(g);
1231	<
1232	<	f = new CompletableFuture<>();
1233	<	f2 = new CompletableFuture<>();
1234	<	f2.completeExceptionally(new CFException());
1235	<	g = f.applyToEither(f2, inc);
1236	<	checkCompletedWithWrappedCFException(g);
1237	<	}
1224	>	public void testSupplyAsync_normalCompletion() {
1225	>	ExecutionMode[] executionModes = {
1226	>	ExecutionMode.ASYNC,
1227	>	ExecutionMode.EXECUTOR,
1228	>	};
1229	>	for (ExecutionMode m : executionModes)
1230	>	for (Integer v1 : new Integer[] { 1, null })
1231	>	{
1232	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1233	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1234	>	assertSame(v1, f.join());
1235	>	checkCompletedNormally(f, v1);
1236	>	r.assertInvoked();
1237	>	}}
1238
1239		/**
1240	<	* applyToEither result completes exceptionally if action does
1240	>	* Failing supplyAsync completes exceptionally
1241		*/
1242	<	public void testApplyToEither3() {
1243	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1244	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1245	<	FailingFunction r = new FailingFunction();
1246	<	CompletableFuture<Integer> g = f.applyToEither(f2, r);
1247	<	f2.complete(two);
1248	<	checkCompletedWithWrappedCFException(g);
1249	<	}
1242	>	public void testSupplyAsync_exceptionalCompletion() {
1243	>	ExecutionMode[] executionModes = {
1244	>	ExecutionMode.ASYNC,
1245	>	ExecutionMode.EXECUTOR,
1246	>	};
1247	>	for (ExecutionMode m : executionModes)
1248	>	{
1249	>	FailingSupplier r = new FailingSupplier(m);
1250	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1251	>	checkCompletedWithWrappedCFException(f);
1252	>	r.assertInvoked();
1253	>	}}
1254
1255	<	/**
1084	<	* applyToEither result completes exceptionally if either source cancelled
1085	<	*/
1086	<	public void testApplyToEither4() {
1087	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1088	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1089	<	CompletableFuture<Integer> g = f.applyToEither(f2, inc);
1090	<	assertTrue(f.cancel(true));
1091	<	checkCompletedWithWrappedCancellationException(g);
1092	<	f = new CompletableFuture<>();
1093	<	f2 = new CompletableFuture<>();
1094	<	assertTrue(f2.cancel(true));
1095	<	checkCompletedWithWrappedCancellationException(g);
1096	<	}
1255	>	// seq completion methods
1256
1257		/**
1258	<	* acceptEither result completes normally after normal completion
1100	<	* of either source
1258	>	* thenRun result completes normally after normal completion of source
1259		*/
1260	<	public void testAcceptEither() {
1261	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1262	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1263	<	IncAction r = new IncAction();
1264	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1265	<	f.complete(one);
1266	<	checkCompletedNormally(g, null);
1267	<	f2.complete(one);
1268	<	checkCompletedNormally(g, null);
1269	<	assertEquals(r.value, 2);
1260	>	public void testThenRun_normalCompletion() {
1261	>	for (ExecutionMode m : ExecutionMode.values())
1262	>	for (boolean createIncomplete : new boolean[] { true, false })
1263	>	for (Integer v1 : new Integer[] { 1, null })
1264	>	{
1265	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1266	>	final Noop r = new Noop(m);
1267	>	if (!createIncomplete) f.complete(v1);
1268	>	final CompletableFuture<Void> g = m.thenRun(f, r);
1269	>	if (createIncomplete) {
1270	>	checkIncomplete(g);
1271	>	f.complete(v1);
1272	>	}
1273
1113	–	r = new IncAction();
1114	–	f = new CompletableFuture<>();
1115	–	f.complete(one);
1116	–	f2 = new CompletableFuture<>();
1117	–	g = f.acceptEither(f2, r);
1274		checkCompletedNormally(g, null);
1275	<	assertEquals(r.value, 2);
1276	<	}
1275	>	checkCompletedNormally(f, v1);
1276	>	r.assertInvoked();
1277	>	}}
1278
1279		/**
1280	<	* acceptEither result completes exceptionally after exceptional
1281	<	* completion of either source
1280	>	* thenRun result completes exceptionally after exceptional
1281	>	* completion of source
1282		*/
1283	<	public void testAcceptEither2() {
1284	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1285	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1286	<	IncAction r = new IncAction();
1287	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1288	<	f.completeExceptionally(new CFException());
1289	<	f2.complete(one);
1290	<	checkCompletedWithWrappedCFException(g);
1283	>	public void testThenRun_exceptionalCompletion() {
1284	>	for (ExecutionMode m : ExecutionMode.values())
1285	>	for (boolean createIncomplete : new boolean[] { true, false })
1286	>	{
1287	>	final CFException ex = new CFException();
1288	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1289	>	final Noop r = new Noop(m);
1290	>	if (!createIncomplete) f.completeExceptionally(ex);
1291	>	final CompletableFuture<Void> g = m.thenRun(f, r);
1292	>	if (createIncomplete) {
1293	>	checkIncomplete(g);
1294	>	f.completeExceptionally(ex);
1295	>	}
1296
1297	<	r = new IncAction();
1298	<	f = new CompletableFuture<>();
1299	<	f2 = new CompletableFuture<>();
1300	<	f2.completeExceptionally(new CFException());
1139	<	g = f.acceptEither(f2, r);
1140	<	checkCompletedWithWrappedCFException(g);
1141	<	}
1297	>	checkCompletedWithWrappedException(g, ex);
1298	>	checkCompletedExceptionally(f, ex);
1299	>	r.assertNotInvoked();
1300	>	}}
1301
1302		/**
1303	<	* acceptEither result completes exceptionally if action does
1303	>	* thenRun result completes exceptionally if source cancelled
1304		*/
1305	<	public void testAcceptEither3() {
1306	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1307	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1308	<	FailingConsumer r = new FailingConsumer();
1309	<	CompletableFuture<Void> g = f.acceptEither(f2, r);
1310	<	f2.complete(two);
1311	<	checkCompletedWithWrappedCFException(g);
1312	<	}
1305	>	public void testThenRun_sourceCancelled() {
1306	>	for (ExecutionMode m : ExecutionMode.values())
1307	>	for (boolean createIncomplete : new boolean[] { true, false })
1308	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1309	>	{
1310	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1311	>	final Noop r = new Noop(m);
1312	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1313	>	final CompletableFuture<Void> g = m.thenRun(f, r);
1314	>	if (createIncomplete) {
1315	>	checkIncomplete(g);
1316	>	assertTrue(f.cancel(mayInterruptIfRunning));
1317	>	}
1318
1155	–	/**
1156	–	* acceptEither result completes exceptionally if either source cancelled
1157	–	*/
1158	–	public void testAcceptEither4() {
1159	–	CompletableFuture<Integer> f = new CompletableFuture<>();
1160	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1161	–	IncAction r = new IncAction();
1162	–	CompletableFuture<Void> g = f.acceptEither(f2, r);
1163	–	assertTrue(f.cancel(true));
1319		checkCompletedWithWrappedCancellationException(g);
1320	<	f = new CompletableFuture<>();
1321	<	f2 = new CompletableFuture<>();
1322	<	assertTrue(f2.cancel(true));
1168	<	checkCompletedWithWrappedCancellationException(g);
1169	<	}
1170	<
1171	<	/**
1172	<	* runAfterEither result completes normally after normal completion
1173	<	* of either source
1174	<	*/
1175	<	public void testRunAfterEither() {
1176	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1177	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1178	<	Noop r = new Noop();
1179	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1180	<	f.complete(one);
1181	<	checkCompletedNormally(g, null);
1182	<	f2.complete(one);
1183	<	checkCompletedNormally(g, null);
1184	<	assertTrue(r.ran);
1185	<
1186	<	r = new Noop();
1187	<	f = new CompletableFuture<>();
1188	<	f.complete(one);
1189	<	f2 = new CompletableFuture<>();
1190	<	g = f.runAfterEither(f2, r);
1191	<	checkCompletedNormally(g, null);
1192	<	assertTrue(r.ran);
1193	<	}
1320	>	checkCancelled(f);
1321	>	r.assertNotInvoked();
1322	>	}}
1323
1324		/**
1325	<	* runAfterEither result completes exceptionally after exceptional
1197	<	* completion of either source
1325	>	* thenRun result completes exceptionally if action does
1326		*/
1327	<	public void testRunAfterEither2() {
1328	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1329	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1330	<	Noop r = new Noop();
1331	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1332	<	f.completeExceptionally(new CFException());
1333	<	f2.complete(one);
1334	<	checkCompletedWithWrappedCFException(g);
1335	<
1336	<	r = new Noop();
1337	<	f = new CompletableFuture<>();
1338	<	f2 = new CompletableFuture<>();
1339	<	f2.completeExceptionally(new CFException());
1212	<	g = f.runAfterEither(f2, r);
1213	<	checkCompletedWithWrappedCFException(g);
1214	<	}
1327	>	public void testThenRun_actionFailed() {
1328	>	for (ExecutionMode m : ExecutionMode.values())
1329	>	for (boolean createIncomplete : new boolean[] { true, false })
1330	>	for (Integer v1 : new Integer[] { 1, null })
1331	>	{
1332	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1333	>	final FailingRunnable r = new FailingRunnable(m);
1334	>	if (!createIncomplete) f.complete(v1);
1335	>	final CompletableFuture<Void> g = m.thenRun(f, r);
1336	>	if (createIncomplete) {
1337	>	checkIncomplete(g);
1338	>	f.complete(v1);
1339	>	}
1340
1216	–	/**
1217	–	* runAfterEither result completes exceptionally if action does
1218	–	*/
1219	–	public void testRunAfterEither3() {
1220	–	CompletableFuture<Integer> f = new CompletableFuture<>();
1221	–	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1222	–	FailingNoop r = new FailingNoop();
1223	–	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1224	–	f2.complete(two);
1341		checkCompletedWithWrappedCFException(g);
1342	<	}
1342	>	checkCompletedNormally(f, v1);
1343	>	}}
1344
1345		/**
1346	<	* runAfterEither result completes exceptionally if either source cancelled
1230	<	*/
1231	<	public void testRunAfterEither4() {
1232	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1233	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1234	<	Noop r = new Noop();
1235	<	CompletableFuture<Void> g = f.runAfterEither(f2, r);
1236	<	assertTrue(f.cancel(true));
1237	<	checkCompletedWithWrappedCancellationException(g);
1238	<	f = new CompletableFuture<>();
1239	<	f2 = new CompletableFuture<>();
1240	<	assertTrue(f2.cancel(true));
1241	<	checkCompletedWithWrappedCancellationException(g);
1242	<	}
1243	<
1244	<	/**
1245	<	* thenCompose result completes normally after normal completion of source
1346	>	* thenApply result completes normally after normal completion of source
1347		*/
1348	<	public void testThenCompose() {
1349	<	CompletableFuture<Integer> f, g;
1350	<	CompletableFutureInc r;
1348	>	public void testThenApply_normalCompletion() {
1349	>	for (ExecutionMode m : ExecutionMode.values())
1350	>	for (boolean createIncomplete : new boolean[] { true, false })
1351	>	for (Integer v1 : new Integer[] { 1, null })
1352	>	{
1353	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1354	>	final IncFunction r = new IncFunction(m);
1355	>	if (!createIncomplete) f.complete(v1);
1356	>	final CompletableFuture<Integer> g = m.thenApply(f, r);
1357	>	if (createIncomplete) {
1358	>	checkIncomplete(g);
1359	>	f.complete(v1);
1360	>	}
1361
1362	<	f = new CompletableFuture<>();
1363	<	g = f.thenCompose(r = new CompletableFutureInc());
1364	<	f.complete(one);
1365	<	checkCompletedNormally(g, two);
1255	<	assertTrue(r.ran);
1256	<
1257	<	f = new CompletableFuture<>();
1258	<	f.complete(one);
1259	<	g = f.thenCompose(r = new CompletableFutureInc());
1260	<	checkCompletedNormally(g, two);
1261	<	assertTrue(r.ran);
1262	<	}
1362	>	checkCompletedNormally(g, inc(v1));
1363	>	checkCompletedNormally(f, v1);
1364	>	r.assertValue(inc(v1));
1365	>	}}
1366
1367		/**
1368	<	* thenCompose result completes exceptionally after exceptional
1368	>	* thenApply result completes exceptionally after exceptional
1369		* completion of source
1370		*/
1371	<	public void testThenCompose2() {
1372	<	CompletableFuture<Integer> f, g;
1373	<	CompletableFutureInc r;
1374	<
1375	<	f = new CompletableFuture<>();
1376	<	g = f.thenCompose(r = new CompletableFutureInc());
1377	<	f.completeExceptionally(new CFException());
1378	<	checkCompletedWithWrappedCFException(g);
1379	<
1380	<	f = new CompletableFuture<>();
1381	<	f.completeExceptionally(new CFException());
1382	<	g = f.thenCompose(r = new CompletableFutureInc());
1383	<	checkCompletedWithWrappedCFException(g);
1281	<	}
1282	<
1283	<	/**
1284	<	* thenCompose result completes exceptionally if action does
1285	<	*/
1286	<	public void testThenCompose3() {
1287	<	CompletableFuture<Integer> f, g;
1288	<	FailingCompletableFutureFunction r;
1289	<
1290	<	f = new CompletableFuture<>();
1291	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1292	<	f.complete(one);
1293	<	checkCompletedWithWrappedCFException(g);
1371	>	public void testThenApply_exceptionalCompletion() {
1372	>	for (ExecutionMode m : ExecutionMode.values())
1373	>	for (boolean createIncomplete : new boolean[] { true, false })
1374	>	{
1375	>	final CFException ex = new CFException();
1376	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1377	>	final IncFunction r = new IncFunction(m);
1378	>	if (!createIncomplete) f.completeExceptionally(ex);
1379	>	final CompletableFuture<Integer> g = m.thenApply(f, r);
1380	>	if (createIncomplete) {
1381	>	checkIncomplete(g);
1382	>	f.completeExceptionally(ex);
1383	>	}
1384
1385	<	f = new CompletableFuture<>();
1386	<	f.complete(one);
1387	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
1388	<	checkCompletedWithWrappedCFException(g);
1299	<	}
1385	>	checkCompletedWithWrappedException(g, ex);
1386	>	checkCompletedExceptionally(f, ex);
1387	>	r.assertNotInvoked();
1388	>	}}
1389
1390		/**
1391	<	* thenCompose result completes exceptionally if source cancelled
1391	>	* thenApply result completes exceptionally if source cancelled
1392		*/
1393	<	public void testThenCompose4() {
1394	<	CompletableFuture<Integer> f, g;
1395	<	CompletableFutureInc r;
1396	<
1397	<	f = new CompletableFuture<>();
1398	<	g = f.thenCompose(r = new CompletableFutureInc());
1399	<	assertTrue(f.cancel(true));
1400	<	checkCompletedWithWrappedCancellationException(g);
1393	>	public void testThenApply_sourceCancelled() {
1394	>	for (ExecutionMode m : ExecutionMode.values())
1395	>	for (boolean createIncomplete : new boolean[] { true, false })
1396	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1397	>	{
1398	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1399	>	final IncFunction r = new IncFunction(m);
1400	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1401	>	final CompletableFuture<Integer> g = m.thenApply(f, r);
1402	>	if (createIncomplete) {
1403	>	checkIncomplete(g);
1404	>	assertTrue(f.cancel(mayInterruptIfRunning));
1405	>	}
1406
1313	–	f = new CompletableFuture<>();
1314	–	assertTrue(f.cancel(true));
1315	–	g = f.thenCompose(r = new CompletableFutureInc());
1407		checkCompletedWithWrappedCancellationException(g);
1408	<	}
1409	<
1410	<	// asyncs
1320	<
1321	<	/**
1322	<	* thenRunAsync result completes normally after normal completion of source
1323	<	*/
1324	<	public void testThenRunAsync() {
1325	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1326	<	Noop r = new Noop();
1327	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1328	<	f.complete(null);
1329	<	checkCompletedNormally(g, null);
1330	<
1331	<	// reordered version
1332	<	f = new CompletableFuture<>();
1333	<	f.complete(null);
1334	<	r = new Noop();
1335	<	g = f.thenRunAsync(r);
1336	<	checkCompletedNormally(g, null);
1337	<	}
1408	>	checkCancelled(f);
1409	>	r.assertNotInvoked();
1410	>	}}
1411
1412		/**
1413	<	* thenRunAsync result completes exceptionally after exceptional
1341	<	* completion of source
1413	>	* thenApply result completes exceptionally if action does
1414		*/
1415	<	public void testThenRunAsync2() {
1416	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1417	<	Noop r = new Noop();
1418	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1419	<	f.completeExceptionally(new CFException());
1420	<	try {
1421	<	g.join();
1422	<	shouldThrow();
1423	<	} catch (CompletionException success) {}
1424	<	checkCompletedWithWrappedCFException(g);
1425	<	}
1415	>	public void testThenApply_actionFailed() {
1416	>	for (ExecutionMode m : ExecutionMode.values())
1417	>	for (boolean createIncomplete : new boolean[] { true, false })
1418	>	for (Integer v1 : new Integer[] { 1, null })
1419	>	{
1420	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1421	>	final FailingFunction r = new FailingFunction(m);
1422	>	if (!createIncomplete) f.complete(v1);
1423	>	final CompletableFuture<Integer> g = m.thenApply(f, r);
1424	>	if (createIncomplete) {
1425	>	checkIncomplete(g);
1426	>	f.complete(v1);
1427	>	}
1428
1355	–	/**
1356	–	* thenRunAsync result completes exceptionally if action does
1357	–	*/
1358	–	public void testThenRunAsync3() {
1359	–	CompletableFuture<Integer> f = new CompletableFuture<>();
1360	–	FailingNoop r = new FailingNoop();
1361	–	CompletableFuture<Void> g = f.thenRunAsync(r);
1362	–	f.complete(null);
1429		checkCompletedWithWrappedCFException(g);
1430	<	}
1430	>	checkCompletedNormally(f, v1);
1431	>	}}
1432
1433		/**
1434	<	* thenRunAsync result completes exceptionally if source cancelled
1434	>	* thenAccept result completes normally after normal completion of source
1435		*/
1436	<	public void testThenRunAsync4() {
1437	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1438	<	Noop r = new Noop();
1439	<	CompletableFuture<Void> g = f.thenRunAsync(r);
1440	<	assertTrue(f.cancel(true));
1441	<	checkCompletedWithWrappedCancellationException(g);
1442	<	}
1436	>	public void testThenAccept_normalCompletion() {
1437	>	for (ExecutionMode m : ExecutionMode.values())
1438	>	for (boolean createIncomplete : new boolean[] { true, false })
1439	>	for (Integer v1 : new Integer[] { 1, null })
1440	>	{
1441	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1442	>	final NoopConsumer r = new NoopConsumer(m);
1443	>	if (!createIncomplete) f.complete(v1);
1444	>	final CompletableFuture<Void> g = m.thenAccept(f, r);
1445	>	if (createIncomplete) {
1446	>	checkIncomplete(g);
1447	>	f.complete(v1);
1448	>	}
1449
1450	<	/**
1451	<	* thenApplyAsync result completes normally after normal completion of source
1452	<	*/
1453	<	public void testThenApplyAsync() {
1381	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1382	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1383	<	f.complete(one);
1384	<	checkCompletedNormally(g, two);
1385	<	}
1450	>	checkCompletedNormally(g, null);
1451	>	r.assertValue(v1);
1452	>	checkCompletedNormally(f, v1);
1453	>	}}
1454
1455		/**
1456	<	* thenApplyAsync result completes exceptionally after exceptional
1456	>	* thenAccept result completes exceptionally after exceptional
1457		* completion of source
1458		*/
1459	<	public void testThenApplyAsync2() {
1460	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1461	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1462	<	f.completeExceptionally(new CFException());
1463	<	checkCompletedWithWrappedCFException(g);
1464	<	}
1459	>	public void testThenAccept_exceptionalCompletion() {
1460	>	for (ExecutionMode m : ExecutionMode.values())
1461	>	for (boolean createIncomplete : new boolean[] { true, false })
1462	>	{
1463	>	final CFException ex = new CFException();
1464	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1465	>	final NoopConsumer r = new NoopConsumer(m);
1466	>	if (!createIncomplete) f.completeExceptionally(ex);
1467	>	final CompletableFuture<Void> g = m.thenAccept(f, r);
1468	>	if (createIncomplete) {
1469	>	checkIncomplete(g);
1470	>	f.completeExceptionally(ex);
1471	>	}
1472
1473	<	/**
1474	<	* thenApplyAsync result completes exceptionally if action does
1475	<	*/
1476	<	public void testThenApplyAsync3() {
1402	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1403	<	FailingFunction r = new FailingFunction();
1404	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
1405	<	f.complete(null);
1406	<	checkCompletedWithWrappedCFException(g);
1407	<	}
1473	>	checkCompletedWithWrappedException(g, ex);
1474	>	checkCompletedExceptionally(f, ex);
1475	>	r.assertNotInvoked();
1476	>	}}
1477
1478		/**
1479	<	* thenApplyAsync result completes exceptionally if source cancelled
1479	>	* thenAccept result completes exceptionally if source cancelled
1480		*/
1481	<	public void testThenApplyAsync4() {
1482	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1483	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
1484	<	assertTrue(f.cancel(true));
1485	<	checkCompletedWithWrappedCancellationException(g);
1486	<	}
1481	>	public void testThenAccept_sourceCancelled() {
1482	>	for (ExecutionMode m : ExecutionMode.values())
1483	>	for (boolean createIncomplete : new boolean[] { true, false })
1484	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1485	>	{
1486	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1487	>	final NoopConsumer r = new NoopConsumer(m);
1488	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1489	>	final CompletableFuture<Void> g = m.thenAccept(f, r);
1490	>	if (createIncomplete) {
1491	>	checkIncomplete(g);
1492	>	assertTrue(f.cancel(mayInterruptIfRunning));
1493	>	}
1494
1495	<	/**
1496	<	* thenAcceptAsync result completes normally after normal
1497	<	* completion of source
1498	<	*/
1423	<	public void testThenAcceptAsync() {
1424	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1425	<	IncAction r = new IncAction();
1426	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1427	<	f.complete(one);
1428	<	checkCompletedNormally(g, null);
1429	<	assertEquals(r.value, 2);
1430	<	}
1495	>	checkCompletedWithWrappedCancellationException(g);
1496	>	checkCancelled(f);
1497	>	r.assertNotInvoked();
1498	>	}}
1499
1500		/**
1501	<	* thenAcceptAsync result completes exceptionally after exceptional
1434	<	* completion of source
1501	>	* thenAccept result completes exceptionally if action does
1502		*/
1503	<	public void testThenAcceptAsync2() {
1504	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1505	<	IncAction r = new IncAction();
1506	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1507	<	f.completeExceptionally(new CFException());
1508	<	checkCompletedWithWrappedCFException(g);
1509	<	}
1503	>	public void testThenAccept_actionFailed() {
1504	>	for (ExecutionMode m : ExecutionMode.values())
1505	>	for (boolean createIncomplete : new boolean[] { true, false })
1506	>	for (Integer v1 : new Integer[] { 1, null })
1507	>	{
1508	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1509	>	final FailingConsumer r = new FailingConsumer(m);
1510	>	if (!createIncomplete) f.complete(v1);
1511	>	final CompletableFuture<Void> g = m.thenAccept(f, r);
1512	>	if (createIncomplete) {
1513	>	checkIncomplete(g);
1514	>	f.complete(v1);
1515	>	}
1516
1444	–	/**
1445	–	* thenAcceptAsync result completes exceptionally if action does
1446	–	*/
1447	–	public void testThenAcceptAsync3() {
1448	–	CompletableFuture<Integer> f = new CompletableFuture<>();
1449	–	FailingConsumer r = new FailingConsumer();
1450	–	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1451	–	f.complete(null);
1517		checkCompletedWithWrappedCFException(g);
1518	<	}
1518	>	checkCompletedNormally(f, v1);
1519	>	}}
1520
1521		/**
1522	<	* thenAcceptAsync result completes exceptionally if source cancelled
1523	<	*/
1458	<	public void testThenAcceptAsync4() {
1459	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1460	<	IncAction r = new IncAction();
1461	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
1462	<	assertTrue(f.cancel(true));
1463	<	checkCompletedWithWrappedCancellationException(g);
1464	<	}
1465	<
1466	<	/**
1467	<	* thenCombineAsync result completes normally after normal
1468	<	* completion of sources
1522	>	* thenCombine result completes normally after normal completion
1523	>	* of sources
1524		*/
1525	<	public void testThenCombineAsync() {
1526	<	CompletableFuture<Integer> f, g, h;
1527	<
1528	<	f = new CompletableFuture<>();
1529	<	g = new CompletableFuture<>();
1530	<	h = f.thenCombineAsync(g, subtract);
1531	<	f.complete(3);
1532	<	checkIncomplete(h);
1533	<	g.complete(1);
1534	<	checkCompletedNormally(h, 2);
1535	<
1536	<	f = new CompletableFuture<>();
1537	<	g = new CompletableFuture<>();
1538	<	h = f.thenCombineAsync(g, subtract);
1539	<	g.complete(1);
1540	<	checkIncomplete(h);
1541	<	f.complete(3);
1542	<	checkCompletedNormally(h, 2);
1525	>	public void testThenCombine_normalCompletion() {
1526	>	for (ExecutionMode m : ExecutionMode.values())
1527	>	for (boolean createIncomplete : new boolean[] { true, false })
1528	>	for (boolean fFirst : new boolean[] { true, false })
1529	>	for (Integer v1 : new Integer[] { 1, null })
1530	>	for (Integer v2 : new Integer[] { 2, null })
1531	>	{
1532	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1533	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1534	>	final SubtractFunction r = new SubtractFunction(m);
1535	>
1536	>	if (fFirst) f.complete(v1); else g.complete(v2);
1537	>	if (!createIncomplete)
1538	>	if (!fFirst) f.complete(v1); else g.complete(v2);
1539	>	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1540	>	if (createIncomplete) {
1541	>	checkIncomplete(h);
1542	>	r.assertNotInvoked();
1543	>	if (!fFirst) f.complete(v1); else g.complete(v2);
1544	>	}
1545
1546	<	f = new CompletableFuture<>();
1547	<	g = new CompletableFuture<>();
1548	<	g.complete(1);
1549	<	f.complete(3);
1550	<	h = f.thenCombineAsync(g, subtract);
1494	<	checkCompletedNormally(h, 2);
1495	<	}
1546	>	checkCompletedNormally(h, subtract(v1, v2));
1547	>	checkCompletedNormally(f, v1);
1548	>	checkCompletedNormally(g, v2);
1549	>	r.assertValue(subtract(v1, v2));
1550	>	}}
1551
1552		/**
1553	<	* thenCombineAsync result completes exceptionally after exceptional
1553	>	* thenCombine result completes exceptionally after exceptional
1554		* completion of either source
1555		*/
1556	<	public void testThenCombineAsync2() {
1557	<	CompletableFuture<Integer> f, g, h;
1558	<
1559	<	f = new CompletableFuture<>();
1560	<	g = new CompletableFuture<>();
1561	<	h = f.thenCombineAsync(g, subtract);
1562	<	f.completeExceptionally(new CFException());
1563	<	checkIncomplete(h);
1564	<	g.complete(1);
1565	<	checkCompletedWithWrappedCFException(h);
1566	<
1567	<	f = new CompletableFuture<>();
1568	<	g = new CompletableFuture<>();
1569	<	h = f.thenCombineAsync(g, subtract);
1570	<	g.completeExceptionally(new CFException());
1571	<	checkIncomplete(h);
1572	<	f.complete(3);
1573	<	checkCompletedWithWrappedCFException(h);
1574	<
1520	<	f = new CompletableFuture<>();
1521	<	g = new CompletableFuture<>();
1522	<	g.completeExceptionally(new CFException());
1523	<	f.complete(3);
1524	<	h = f.thenCombineAsync(g, subtract);
1525	<	checkCompletedWithWrappedCFException(h);
1526	<	}
1556	>	public void testThenCombine_exceptionalCompletion() {
1557	>	for (ExecutionMode m : ExecutionMode.values())
1558	>	for (boolean createIncomplete : new boolean[] { true, false })
1559	>	for (boolean fFirst : new boolean[] { true, false })
1560	>	for (Integer v1 : new Integer[] { 1, null })
1561	>	{
1562	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1563	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1564	>	final CFException ex = new CFException();
1565	>	final SubtractFunction r = new SubtractFunction(m);
1566	>
1567	>	(fFirst ? f : g).complete(v1);
1568	>	if (!createIncomplete)
1569	>	(!fFirst ? f : g).completeExceptionally(ex);
1570	>	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1571	>	if (createIncomplete) {
1572	>	checkIncomplete(h);
1573	>	(!fFirst ? f : g).completeExceptionally(ex);
1574	>	}
1575
1576	<	/**
1577	<	* thenCombineAsync result completes exceptionally if action does
1578	<	*/
1579	<	public void testThenCombineAsync3() {
1580	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1533	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1534	<	FailingBiFunction r = new FailingBiFunction();
1535	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r);
1536	<	f.complete(one);
1537	<	checkIncomplete(g);
1538	<	assertFalse(r.ran);
1539	<	f2.complete(two);
1540	<	checkCompletedWithWrappedCFException(g);
1541	<	assertTrue(r.ran);
1542	<	}
1576	>	checkCompletedWithWrappedException(h, ex);
1577	>	r.assertNotInvoked();
1578	>	checkCompletedNormally(fFirst ? f : g, v1);
1579	>	checkCompletedExceptionally(!fFirst ? f : g, ex);
1580	>	}}
1581
1582		/**
1583	<	* thenCombineAsync result completes exceptionally if either source cancelled
1583	>	* thenCombine result completes exceptionally if either source cancelled
1584		*/
1585	<	public void testThenCombineAsync4() {
1586	<	CompletableFuture<Integer> f, g, h;
1587	<
1588	<	f = new CompletableFuture<>();
1589	<	g = new CompletableFuture<>();
1590	<	h = f.thenCombineAsync(g, subtract);
1591	<	assertTrue(f.cancel(true));
1592	<	checkIncomplete(h);
1593	<	g.complete(1);
1594	<	checkCompletedWithWrappedCancellationException(h);
1595	<
1596	<	f = new CompletableFuture<>();
1597	<	g = new CompletableFuture<>();
1598	<	h = f.thenCombineAsync(g, subtract);
1599	<	assertTrue(g.cancel(true));
1600	<	checkIncomplete(h);
1601	<	f.complete(3);
1602	<	checkCompletedWithWrappedCancellationException(h);
1603	<
1566	<	f = new CompletableFuture<>();
1567	<	g = new CompletableFuture<>();
1568	<	g.complete(3);
1569	<	assertTrue(f.cancel(true));
1570	<	h = f.thenCombineAsync(g, subtract);
1571	<	checkCompletedWithWrappedCancellationException(h);
1585	>	public void testThenCombine_sourceCancelled() {
1586	>	for (ExecutionMode m : ExecutionMode.values())
1587	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1588	>	for (boolean createIncomplete : new boolean[] { true, false })
1589	>	for (boolean fFirst : new boolean[] { true, false })
1590	>	for (Integer v1 : new Integer[] { 1, null })
1591	>	{
1592	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1593	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1594	>	final SubtractFunction r = new SubtractFunction(m);
1595	>
1596	>	(fFirst ? f : g).complete(v1);
1597	>	if (!createIncomplete)
1598	>	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1599	>	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1600	>	if (createIncomplete) {
1601	>	checkIncomplete(h);
1602	>	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1603	>	}
1604
1573	–	f = new CompletableFuture<>();
1574	–	g = new CompletableFuture<>();
1575	–	f.complete(3);
1576	–	assertTrue(g.cancel(true));
1577	–	h = f.thenCombineAsync(g, subtract);
1605		checkCompletedWithWrappedCancellationException(h);
1606	<	}
1607	<
1608	<	/**
1609	<	* thenAcceptBothAsync result completes normally after normal
1583	<	* completion of sources
1584	<	*/
1585	<	public void testThenAcceptBothAsync() {
1586	<	CompletableFuture<Integer> f, g;
1587	<	CompletableFuture<Void> h;
1588	<	SubtractAction r;
1589	<
1590	<	f = new CompletableFuture<>();
1591	<	g = new CompletableFuture<>();
1592	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1593	<	f.complete(3);
1594	<	checkIncomplete(h);
1595	<	g.complete(1);
1596	<	checkCompletedNormally(h, null);
1597	<	assertEquals(r.value, 2);
1598	<
1599	<	f = new CompletableFuture<>();
1600	<	g = new CompletableFuture<>();
1601	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1602	<	g.complete(1);
1603	<	checkIncomplete(h);
1604	<	f.complete(3);
1605	<	checkCompletedNormally(h, null);
1606	<	assertEquals(r.value, 2);
1607	<
1608	<	f = new CompletableFuture<>();
1609	<	g = new CompletableFuture<>();
1610	<	g.complete(1);
1611	<	f.complete(3);
1612	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1613	<	checkCompletedNormally(h, null);
1614	<	assertEquals(r.value, 2);
1615	<	}
1606	>	checkCancelled(!fFirst ? f : g);
1607	>	r.assertNotInvoked();
1608	>	checkCompletedNormally(fFirst ? f : g, v1);
1609	>	}}
1610
1611		/**
1612	<	* thenAcceptBothAsync result completes exceptionally after exceptional
1619	<	* completion of source
1620	<	*/
1621	<	public void testThenAcceptBothAsync2() {
1622	<	CompletableFuture<Integer> f, g;
1623	<	CompletableFuture<Void> h;
1624	<	SubtractAction r;
1625	<
1626	<	f = new CompletableFuture<>();
1627	<	g = new CompletableFuture<>();
1628	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1629	<	f.completeExceptionally(new CFException());
1630	<	checkIncomplete(h);
1631	<	g.complete(1);
1632	<	checkCompletedWithWrappedCFException(h);
1633	<
1634	<	f = new CompletableFuture<>();
1635	<	g = new CompletableFuture<>();
1636	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1637	<	g.completeExceptionally(new CFException());
1638	<	checkIncomplete(h);
1639	<	f.complete(3);
1640	<	checkCompletedWithWrappedCFException(h);
1641	<
1642	<	f = new CompletableFuture<>();
1643	<	g = new CompletableFuture<>();
1644	<	f.complete(3);
1645	<	g.completeExceptionally(new CFException());
1646	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1647	<	checkCompletedWithWrappedCFException(h);
1648	<
1649	<	f = new CompletableFuture<>();
1650	<	g = new CompletableFuture<>();
1651	<	f.completeExceptionally(new CFException());
1652	<	g.complete(3);
1653	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1654	<	checkCompletedWithWrappedCFException(h);
1655	<	}
1656	<
1657	<	/**
1658	<	* thenAcceptBothAsync result completes exceptionally if action does
1612	>	* thenCombine result completes exceptionally if action does
1613		*/
1614	<	public void testThenAcceptBothAsync3() {
1615	<	CompletableFuture<Integer> f, g;
1616	<	CompletableFuture<Void> h;
1617	<	FailingBiConsumer r;
1618	<
1619	<	f = new CompletableFuture<>();
1620	<	g = new CompletableFuture<>();
1621	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1622	<	f.complete(3);
1623	<	checkIncomplete(h);
1624	<	g.complete(1);
1625	<	checkCompletedWithWrappedCFException(h);
1614	>	public void testThenCombine_actionFailed() {
1615	>	for (ExecutionMode m : ExecutionMode.values())
1616	>	for (boolean fFirst : new boolean[] { true, false })
1617	>	for (Integer v1 : new Integer[] { 1, null })
1618	>	for (Integer v2 : new Integer[] { 2, null })
1619	>	{
1620	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1621	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1622	>	final FailingBiFunction r = new FailingBiFunction(m);
1623	>	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1624	>
1625	>	if (fFirst) {
1626	>	f.complete(v1);
1627	>	g.complete(v2);
1628	>	} else {
1629	>	g.complete(v2);
1630	>	f.complete(v1);
1631	>	}
1632
1673	–	f = new CompletableFuture<>();
1674	–	g = new CompletableFuture<>();
1675	–	f.complete(3);
1676	–	g.complete(1);
1677	–	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer());
1633		checkCompletedWithWrappedCFException(h);
1634	<	}
1634	>	checkCompletedNormally(f, v1);
1635	>	checkCompletedNormally(g, v2);
1636	>	}}
1637
1638		/**
1639	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
1683	<	*/
1684	<	public void testThenAcceptBothAsync4() {
1685	<	CompletableFuture<Integer> f, g;
1686	<	CompletableFuture<Void> h;
1687	<	SubtractAction r;
1688	<
1689	<	f = new CompletableFuture<>();
1690	<	g = new CompletableFuture<>();
1691	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1692	<	assertTrue(f.cancel(true));
1693	<	checkIncomplete(h);
1694	<	g.complete(1);
1695	<	checkCompletedWithWrappedCancellationException(h);
1696	<
1697	<	f = new CompletableFuture<>();
1698	<	g = new CompletableFuture<>();
1699	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1700	<	assertTrue(g.cancel(true));
1701	<	checkIncomplete(h);
1702	<	f.complete(3);
1703	<	checkCompletedWithWrappedCancellationException(h);
1704	<
1705	<	f = new CompletableFuture<>();
1706	<	g = new CompletableFuture<>();
1707	<	f.complete(3);
1708	<	assertTrue(g.cancel(true));
1709	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1710	<	checkCompletedWithWrappedCancellationException(h);
1711	<
1712	<	f = new CompletableFuture<>();
1713	<	g = new CompletableFuture<>();
1714	<	assertTrue(f.cancel(true));
1715	<	g.complete(3);
1716	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction());
1717	<	checkCompletedWithWrappedCancellationException(h);
1718	<	}
1719	<
1720	<	/**
1721	<	* runAfterBothAsync result completes normally after normal
1722	<	* completion of sources
1723	<	*/
1724	<	public void testRunAfterBothAsync() {
1725	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1726	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1727	<	Noop r = new Noop();
1728	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1729	<	f.complete(one);
1730	<	checkIncomplete(g);
1731	<	f2.complete(two);
1732	<	checkCompletedNormally(g, null);
1733	<	assertTrue(r.ran);
1734	<	}
1735	<
1736	<	/**
1737	<	* runAfterBothAsync result completes exceptionally after exceptional
1738	<	* completion of source
1739	<	*/
1740	<	public void testRunAfterBothAsync2() {
1741	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1742	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1743	<	Noop r = new Noop();
1744	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1745	<	f.completeExceptionally(new CFException());
1746	<	f2.complete(two);
1747	<	checkCompletedWithWrappedCFException(g);
1748	<
1749	<	r = new Noop();
1750	<	f = new CompletableFuture<>();
1751	<	f2 = new CompletableFuture<>();
1752	<	g = f.runAfterBothAsync(f2, r);
1753	<	f.complete(one);
1754	<	f2.completeExceptionally(new CFException());
1755	<	checkCompletedWithWrappedCFException(g);
1756	<	}
1757	<
1758	<	/**
1759	<	* runAfterBothAsync result completes exceptionally if action does
1760	<	*/
1761	<	public void testRunAfterBothAsync3() {
1762	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1763	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1764	<	FailingNoop r = new FailingNoop();
1765	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1766	<	f.complete(one);
1767	<	checkIncomplete(g);
1768	<	f2.complete(two);
1769	<	checkCompletedWithWrappedCFException(g);
1770	<	}
1771	<
1772	<	/**
1773	<	* runAfterBothAsync result completes exceptionally if either source cancelled
1774	<	*/
1775	<	public void testRunAfterBothAsync4() {
1776	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1777	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1778	<	Noop r = new Noop();
1779	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r);
1780	<	assertTrue(f.cancel(true));
1781	<	f2.complete(two);
1782	<	checkCompletedWithWrappedCancellationException(g);
1783	<
1784	<	r = new Noop();
1785	<	f = new CompletableFuture<>();
1786	<	f2 = new CompletableFuture<>();
1787	<	g = f.runAfterBothAsync(f2, r);
1788	<	f.complete(one);
1789	<	assertTrue(f2.cancel(true));
1790	<	checkCompletedWithWrappedCancellationException(g);
1791	<	}
1792	<
1793	<	/**
1794	<	* applyToEitherAsync result completes normally after normal
1639	>	* thenAcceptBoth result completes normally after normal
1640		* completion of sources
1641		*/
1642	<	public void testApplyToEitherAsync() {
1643	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1644	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1645	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1646	<	f.complete(one);
1647	<	checkCompletedNormally(g, two);
1648	<
1649	<	f = new CompletableFuture<>();
1650	<	f.complete(one);
1651	<	f2 = new CompletableFuture<>();
1652	<	g = f.applyToEitherAsync(f2, inc);
1653	<	checkCompletedNormally(g, two);
1654	<	}
1655	<
1656	<	/**
1657	<	* applyToEitherAsync result completes exceptionally after exceptional
1658	<	* completion of source
1659	<	*/
1660	<	public void testApplyToEitherAsync2() {
1661	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1817	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1818	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1819	<	f.completeExceptionally(new CFException());
1820	<	checkCompletedWithWrappedCFException(g);
1821	<
1822	<	f = new CompletableFuture<>();
1823	<	f2 = new CompletableFuture<>();
1824	<	f2.completeExceptionally(new CFException());
1825	<	g = f.applyToEitherAsync(f2, inc);
1826	<	f.complete(one);
1827	<	checkCompletedWithWrappedCFException(g);
1828	<	}
1829	<
1830	<	/**
1831	<	* applyToEitherAsync result completes exceptionally if action does
1832	<	*/
1833	<	public void testApplyToEitherAsync3() {
1834	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1835	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1836	<	FailingFunction r = new FailingFunction();
1837	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r);
1838	<	f.complete(one);
1839	<	checkCompletedWithWrappedCFException(g);
1840	<	}
1841	<
1842	<	/**
1843	<	* applyToEitherAsync result completes exceptionally if either source cancelled
1844	<	*/
1845	<	public void testApplyToEitherAsync4() {
1846	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1847	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1848	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc);
1849	<	assertTrue(f.cancel(true));
1850	<	checkCompletedWithWrappedCancellationException(g);
1642	>	public void testThenAcceptBoth_normalCompletion() {
1643	>	for (ExecutionMode m : ExecutionMode.values())
1644	>	for (boolean createIncomplete : new boolean[] { true, false })
1645	>	for (boolean fFirst : new boolean[] { true, false })
1646	>	for (Integer v1 : new Integer[] { 1, null })
1647	>	for (Integer v2 : new Integer[] { 2, null })
1648	>	{
1649	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1650	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1651	>	final SubtractAction r = new SubtractAction(m);
1652	>
1653	>	if (fFirst) f.complete(v1); else g.complete(v2);
1654	>	if (!createIncomplete)
1655	>	if (!fFirst) f.complete(v1); else g.complete(v2);
1656	>	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1657	>	if (createIncomplete) {
1658	>	checkIncomplete(h);
1659	>	r.assertNotInvoked();
1660	>	if (!fFirst) f.complete(v1); else g.complete(v2);
1661	>	}
1662
1663	<	f = new CompletableFuture<>();
1664	<	f2 = new CompletableFuture<>();
1665	<	assertTrue(f2.cancel(true));
1666	<	g = f.applyToEitherAsync(f2, inc);
1667	<	checkCompletedWithWrappedCancellationException(g);
1857	<	}
1663	>	checkCompletedNormally(h, null);
1664	>	r.assertValue(subtract(v1, v2));
1665	>	checkCompletedNormally(f, v1);
1666	>	checkCompletedNormally(g, v2);
1667	>	}}
1668
1669		/**
1670	<	* acceptEitherAsync result completes normally after normal
1671	<	* completion of sources
1670	>	* thenAcceptBoth result completes exceptionally after exceptional
1671	>	* completion of either source
1672		*/
1673	<	public void testAcceptEitherAsync() {
1674	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1675	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1676	<	IncAction r = new IncAction();
1677	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1678	<	f.complete(one);
1679	<	checkCompletedNormally(g, null);
1680	<	assertEquals(r.value, 2);
1673	>	public void testThenAcceptBoth_exceptionalCompletion() {
1674	>	for (ExecutionMode m : ExecutionMode.values())
1675	>	for (boolean createIncomplete : new boolean[] { true, false })
1676	>	for (boolean fFirst : new boolean[] { true, false })
1677	>	for (Integer v1 : new Integer[] { 1, null })
1678	>	{
1679	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1680	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1681	>	final CFException ex = new CFException();
1682	>	final SubtractAction r = new SubtractAction(m);
1683	>
1684	>	(fFirst ? f : g).complete(v1);
1685	>	if (!createIncomplete)
1686	>	(!fFirst ? f : g).completeExceptionally(ex);
1687	>	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1688	>	if (createIncomplete) {
1689	>	checkIncomplete(h);
1690	>	(!fFirst ? f : g).completeExceptionally(ex);
1691	>	}
1692
1693	<	r = new IncAction();
1694	<	f = new CompletableFuture<>();
1695	<	f.complete(one);
1696	<	f2 = new CompletableFuture<>();
1697	<	g = f.acceptEitherAsync(f2, r);
1877	<	checkCompletedNormally(g, null);
1878	<	assertEquals(r.value, 2);
1879	<	}
1693	>	checkCompletedWithWrappedException(h, ex);
1694	>	r.assertNotInvoked();
1695	>	checkCompletedNormally(fFirst ? f : g, v1);
1696	>	checkCompletedExceptionally(!fFirst ? f : g, ex);
1697	>	}}
1698
1699		/**
1700	<	* acceptEitherAsync result completes exceptionally after exceptional
1883	<	* completion of source
1700	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1701		*/
1702	<	public void testAcceptEitherAsync2() {
1703	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1704	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1705	<	IncAction r = new IncAction();
1706	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1707	<	f.completeExceptionally(new CFException());
1708	<	checkCompletedWithWrappedCFException(g);
1709	<
1710	<	r = new IncAction();
1711	<	f = new CompletableFuture<>();
1712	<	f2 = new CompletableFuture<>();
1713	<	f2.completeExceptionally(new CFException());
1714	<	g = f.acceptEitherAsync(f2, r);
1715	<	f.complete(one);
1716	<	checkCompletedWithWrappedCFException(g);
1717	<	}
1702	>	public void testThenAcceptBoth_sourceCancelled() {
1703	>	for (ExecutionMode m : ExecutionMode.values())
1704	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1705	>	for (boolean createIncomplete : new boolean[] { true, false })
1706	>	for (boolean fFirst : new boolean[] { true, false })
1707	>	for (Integer v1 : new Integer[] { 1, null })
1708	>	{
1709	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1710	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1711	>	final SubtractAction r = new SubtractAction(m);
1712	>
1713	>	(fFirst ? f : g).complete(v1);
1714	>	if (!createIncomplete)
1715	>	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1716	>	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1717	>	if (createIncomplete) {
1718	>	checkIncomplete(h);
1719	>	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1720	>	}
1721
1722	<	/**
1723	<	* acceptEitherAsync result completes exceptionally if action does
1724	<	*/
1725	<	public void testAcceptEitherAsync3() {
1726	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1907	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1908	<	FailingConsumer r = new FailingConsumer();
1909	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1910	<	f.complete(one);
1911	<	checkCompletedWithWrappedCFException(g);
1912	<	}
1722	>	checkCompletedWithWrappedCancellationException(h);
1723	>	checkCancelled(!fFirst ? f : g);
1724	>	r.assertNotInvoked();
1725	>	checkCompletedNormally(fFirst ? f : g, v1);
1726	>	}}
1727
1728		/**
1729	<	* acceptEitherAsync result completes exceptionally if either
1916	<	* source cancelled
1729	>	* thenAcceptBoth result completes exceptionally if action does
1730		*/
1731	<	public void testAcceptEitherAsync4() {
1732	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1733	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1734	<	IncAction r = new IncAction();
1735	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r);
1736	<	assertTrue(f.cancel(true));
1737	<	checkCompletedWithWrappedCancellationException(g);
1731	>	public void testThenAcceptBoth_actionFailed() {
1732	>	for (ExecutionMode m : ExecutionMode.values())
1733	>	for (boolean fFirst : new boolean[] { true, false })
1734	>	for (Integer v1 : new Integer[] { 1, null })
1735	>	for (Integer v2 : new Integer[] { 2, null })
1736	>	{
1737	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1738	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1739	>	final FailingBiConsumer r = new FailingBiConsumer(m);
1740	>	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1741	>
1742	>	if (fFirst) {
1743	>	f.complete(v1);
1744	>	g.complete(v2);
1745	>	} else {
1746	>	g.complete(v2);
1747	>	f.complete(v1);
1748	>	}
1749
1750	<	r = new IncAction();
1751	<	f = new CompletableFuture<>();
1752	<	f2 = new CompletableFuture<>();
1753	<	assertTrue(f2.cancel(true));
1930	<	g = f.acceptEitherAsync(f2, r);
1931	<	checkCompletedWithWrappedCancellationException(g);
1932	<	}
1750	>	checkCompletedWithWrappedCFException(h);
1751	>	checkCompletedNormally(f, v1);
1752	>	checkCompletedNormally(g, v2);
1753	>	}}
1754
1755		/**
1756	<	* runAfterEitherAsync result completes normally after normal
1756	>	* runAfterBoth result completes normally after normal
1757		* completion of sources
1758		*/
1759	<	public void testRunAfterEitherAsync() {
1760	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1761	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1762	<	Noop r = new Noop();
1763	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1764	<	f.complete(one);
1765	<	checkCompletedNormally(g, null);
1766	<	assertTrue(r.ran);
1767	<
1768	<	r = new Noop();
1769	<	f = new CompletableFuture<>();
1770	<	f.complete(one);
1771	<	f2 = new CompletableFuture<>();
1772	<	g = f.runAfterEitherAsync(f2, r);
1773	<	checkCompletedNormally(g, null);
1774	<	assertTrue(r.ran);
1775	<	}
1776	<
1777	<	/**
1778	<	* runAfterEitherAsync result completes exceptionally after exceptional
1958	<	* completion of source
1959	<	*/
1960	<	public void testRunAfterEitherAsync2() {
1961	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1962	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1963	<	Noop r = new Noop();
1964	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1965	<	f.completeExceptionally(new CFException());
1966	<	checkCompletedWithWrappedCFException(g);
1967	<
1968	<	r = new Noop();
1969	<	f = new CompletableFuture<>();
1970	<	f2 = new CompletableFuture<>();
1971	<	f2.completeExceptionally(new CFException());
1972	<	g = f.runAfterEitherAsync(f2, r);
1973	<	f.complete(one);
1974	<	checkCompletedWithWrappedCFException(g);
1975	<	}
1976	<
1977	<	/**
1978	<	* runAfterEitherAsync result completes exceptionally if action does
1979	<	*/
1980	<	public void testRunAfterEitherAsync3() {
1981	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1982	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1983	<	FailingNoop r = new FailingNoop();
1984	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1985	<	f.complete(one);
1986	<	checkCompletedWithWrappedCFException(g);
1987	<	}
1988	<
1989	<	/**
1990	<	* runAfterEitherAsync result completes exceptionally if either
1991	<	* source cancelled
1992	<	*/
1993	<	public void testRunAfterEitherAsync4() {
1994	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1995	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
1996	<	Noop r = new Noop();
1997	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r);
1998	<	assertTrue(f.cancel(true));
1999	<	checkCompletedWithWrappedCancellationException(g);
2000	<
2001	<	r = new Noop();
2002	<	f = new CompletableFuture<>();
2003	<	f2 = new CompletableFuture<>();
2004	<	assertTrue(f2.cancel(true));
2005	<	g = f.runAfterEitherAsync(f2, r);
2006	<	checkCompletedWithWrappedCancellationException(g);
2007	<	}
2008	<
2009	<	/**
2010	<	* thenComposeAsync result completes normally after normal
2011	<	* completion of source
2012	<	*/
2013	<	public void testThenComposeAsync() {
2014	<	CompletableFuture<Integer> f, g;
2015	<	CompletableFutureInc r;
2016	<
2017	<	f = new CompletableFuture<>();
2018	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
2019	<	f.complete(one);
2020	<	checkCompletedNormally(g, two);
1759	>	public void testRunAfterBoth_normalCompletion() {
1760	>	for (ExecutionMode m : ExecutionMode.values())
1761	>	for (boolean createIncomplete : new boolean[] { true, false })
1762	>	for (boolean fFirst : new boolean[] { true, false })
1763	>	for (Integer v1 : new Integer[] { 1, null })
1764	>	for (Integer v2 : new Integer[] { 2, null })
1765	>	{
1766	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1767	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1768	>	final Noop r = new Noop(m);
1769	>
1770	>	if (fFirst) f.complete(v1); else g.complete(v2);
1771	>	if (!createIncomplete)
1772	>	if (!fFirst) f.complete(v1); else g.complete(v2);
1773	>	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1774	>	if (createIncomplete) {
1775	>	checkIncomplete(h);
1776	>	r.assertNotInvoked();
1777	>	if (!fFirst) f.complete(v1); else g.complete(v2);
1778	>	}
1779
1780	<	f = new CompletableFuture<>();
1781	<	f.complete(one);
1782	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
1783	<	checkCompletedNormally(g, two);
1784	<	}
1780	>	checkCompletedNormally(h, null);
1781	>	r.assertInvoked();
1782	>	checkCompletedNormally(f, v1);
1783	>	checkCompletedNormally(g, v2);
1784	>	}}
1785
1786		/**
1787	<	* thenComposeAsync result completes exceptionally after
1788	<	* exceptional completion of source
1787	>	* runAfterBoth result completes exceptionally after exceptional
1788	>	* completion of either source
1789		*/
1790	<	public void testThenComposeAsync2() {
1791	<	CompletableFuture<Integer> f, g;
1792	<	CompletableFutureInc r;
1793	<
1794	<	f = new CompletableFuture<>();
1795	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
1796	<	f.completeExceptionally(new CFException());
1797	<	checkCompletedWithWrappedCFException(g);
1798	<	assertFalse(r.ran);
1790	>	public void testRunAfterBoth_exceptionalCompletion() {
1791	>	for (ExecutionMode m : ExecutionMode.values())
1792	>	for (boolean createIncomplete : new boolean[] { true, false })
1793	>	for (boolean fFirst : new boolean[] { true, false })
1794	>	for (Integer v1 : new Integer[] { 1, null })
1795	>	{
1796	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1797	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1798	>	final CFException ex = new CFException();
1799	>	final Noop r = new Noop(m);
1800	>
1801	>	(fFirst ? f : g).complete(v1);
1802	>	if (!createIncomplete)
1803	>	(!fFirst ? f : g).completeExceptionally(ex);
1804	>	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1805	>	if (createIncomplete) {
1806	>	checkIncomplete(h);
1807	>	(!fFirst ? f : g).completeExceptionally(ex);
1808	>	}
1809
1810	<	f = new CompletableFuture<>();
1811	<	f.completeExceptionally(new CFException());
1812	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
1813	<	checkCompletedWithWrappedCFException(g);
1814	<	assertFalse(r.ran);
2047	<	}
1810	>	checkCompletedWithWrappedException(h, ex);
1811	>	r.assertNotInvoked();
1812	>	checkCompletedNormally(fFirst ? f : g, v1);
1813	>	checkCompletedExceptionally(!fFirst ? f : g, ex);
1814	>	}}
1815
1816		/**
1817	<	* thenComposeAsync result completes exceptionally if action does
1817	>	* runAfterBoth result completes exceptionally if either source cancelled
1818		*/
1819	<	public void testThenComposeAsync3() {
1820	<	CompletableFuture<Integer> f, g;
1821	<	FailingCompletableFutureFunction r;
1822	<
1823	<	f = new CompletableFuture<>();
1824	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
1825	<	f.complete(one);
1826	<	checkCompletedWithWrappedCFException(g);
1819	>	public void testRunAfterBoth_sourceCancelled() {
1820	>	for (ExecutionMode m : ExecutionMode.values())
1821	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1822	>	for (boolean createIncomplete : new boolean[] { true, false })
1823	>	for (boolean fFirst : new boolean[] { true, false })
1824	>	for (Integer v1 : new Integer[] { 1, null })
1825	>	{
1826	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1827	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1828	>	final Noop r = new Noop(m);
1829	>
1830	>	(fFirst ? f : g).complete(v1);
1831	>	if (!createIncomplete)
1832	>	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1833	>	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1834	>	if (createIncomplete) {
1835	>	checkIncomplete(h);
1836	>	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1837	>	}
1838
1839	<	f = new CompletableFuture<>();
1840	<	f.complete(one);
1841	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
1842	<	checkCompletedWithWrappedCFException(g);
1843	<	}
1839	>	checkCompletedWithWrappedCancellationException(h);
1840	>	checkCancelled(!fFirst ? f : g);
1841	>	r.assertNotInvoked();
1842	>	checkCompletedNormally(fFirst ? f : g, v1);
1843	>	}}
1844
1845		/**
1846	<	* thenComposeAsync result completes exceptionally if source cancelled
1846	>	* runAfterBoth result completes exceptionally if action does
1847		*/
1848	<	public void testThenComposeAsync4() {
1849	<	CompletableFuture<Integer> f, g;
1850	<	CompletableFutureInc r;
1851	<
1852	<	f = new CompletableFuture<>();
1853	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
1854	<	assertTrue(f.cancel(true));
1855	<	checkCompletedWithWrappedCancellationException(g);
1856	<
1857	<	f = new CompletableFuture<>();
1858	<	assertTrue(f.cancel(true));
1859	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
1860	<	checkCompletedWithWrappedCancellationException(g);
1861	<	}
1848	>	public void testRunAfterBoth_actionFailed() {
1849	>	for (ExecutionMode m : ExecutionMode.values())
1850	>	for (boolean fFirst : new boolean[] { true, false })
1851	>	for (Integer v1 : new Integer[] { 1, null })
1852	>	for (Integer v2 : new Integer[] { 2, null })
1853	>	{
1854	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1855	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1856	>	final FailingRunnable r1 = new FailingRunnable(m);
1857	>	final FailingRunnable r2 = new FailingRunnable(m);
1858	>
1859	>	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1860	>	if (fFirst) {
1861	>	f.complete(v1);
1862	>	g.complete(v2);
1863	>	} else {
1864	>	g.complete(v2);
1865	>	f.complete(v1);
1866	>	}
1867	>	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1868
1869	<	// async with explicit executors
1869	>	checkCompletedWithWrappedCFException(h1);
1870	>	checkCompletedWithWrappedCFException(h2);
1871	>	checkCompletedNormally(f, v1);
1872	>	checkCompletedNormally(g, v2);
1873	>	}}
1874
1875		/**
1876	<	* thenRunAsync result completes normally after normal completion of source
1876	>	* applyToEither result completes normally after normal completion
1877	>	* of either source
1878		*/
1879	<	public void testThenRunAsyncE() {
1880	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1881	<	Noop r = new Noop();
1882	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1883	<	f.complete(null);
1884	<	checkCompletedNormally(g, null);
1885	<
1886	<	// reordered version
1887	<	f = new CompletableFuture<>();
1888	<	f.complete(null);
1889	<	r = new Noop();
1890	<	g = f.thenRunAsync(r, new ThreadExecutor());
1891	<	checkCompletedNormally(g, null);
1892	<	}
1879	>	public void testApplyToEither_normalCompletion() {
1880	>	for (ExecutionMode m : ExecutionMode.values())
1881	>	for (Integer v1 : new Integer[] { 1, null })
1882	>	for (Integer v2 : new Integer[] { 2, null })
1883	>	{
1884	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1885	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1886	>	final IncFunction[] rs = new IncFunction[6];
1887	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1888	>
1889	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
1890	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
1891	>	checkIncomplete(h0);
1892	>	checkIncomplete(h1);
1893	>	rs[0].assertNotInvoked();
1894	>	rs[1].assertNotInvoked();
1895	>	f.complete(v1);
1896	>	checkCompletedNormally(h0, inc(v1));
1897	>	checkCompletedNormally(h1, inc(v1));
1898	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
1899	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
1900	>	checkCompletedNormally(h2, inc(v1));
1901	>	checkCompletedNormally(h3, inc(v1));
1902	>	g.complete(v2);
1903	>
1904	>	// unspecified behavior - both source completions available
1905	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
1906	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
1907	>	rs[4].assertValue(h4.join());
1908	>	rs[5].assertValue(h5.join());
1909	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
1910	>	Objects.equals(inc(v2), h4.join()));
1911	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
1912	>	Objects.equals(inc(v2), h5.join()));
1913	>
1914	>	checkCompletedNormally(f, v1);
1915	>	checkCompletedNormally(g, v2);
1916	>	checkCompletedNormally(h0, inc(v1));
1917	>	checkCompletedNormally(h1, inc(v1));
1918	>	checkCompletedNormally(h2, inc(v1));
1919	>	checkCompletedNormally(h3, inc(v1));
1920	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
1921	>	}}
1922
1923		/**
1924	<	* thenRunAsync result completes exceptionally after exceptional
1925	<	* completion of source
1924	>	* applyToEither result completes exceptionally after exceptional
1925	>	* completion of either source
1926		*/
1927	<	public void testThenRunAsync2E() {
1928	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1929	<	Noop r = new Noop();
1930	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1931	<	f.completeExceptionally(new CFException());
1927	>	public void testApplyToEither_exceptionalCompletion() {
1928	>	for (ExecutionMode m : ExecutionMode.values())
1929	>	for (Integer v1 : new Integer[] { 1, null })
1930	>	{
1931	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1932	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1933	>	final CFException ex = new CFException();
1934	>	final IncFunction[] rs = new IncFunction[6];
1935	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1936	>
1937	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
1938	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
1939	>	checkIncomplete(h0);
1940	>	checkIncomplete(h1);
1941	>	rs[0].assertNotInvoked();
1942	>	rs[1].assertNotInvoked();
1943	>	f.completeExceptionally(ex);
1944	>	checkCompletedWithWrappedException(h0, ex);
1945	>	checkCompletedWithWrappedException(h1, ex);
1946	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
1947	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
1948	>	checkCompletedWithWrappedException(h2, ex);
1949	>	checkCompletedWithWrappedException(h3, ex);
1950	>	g.complete(v1);
1951	>
1952	>	// unspecified behavior - both source completions available
1953	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
1954	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
1955		try {
1956	<	g.join();
1957	<	shouldThrow();
1958	<	} catch (CompletionException success) {}
1959	<	checkCompletedWithWrappedCFException(g);
1960	<	}
1961	<
1962	<	/**
1963	<	* thenRunAsync result completes exceptionally if action does
1964	<	*/
1965	<	public void testThenRunAsync3E() {
1966	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1967	<	FailingNoop r = new FailingNoop();
1968	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
2128	<	f.complete(null);
2129	<	checkCompletedWithWrappedCFException(g);
2130	<	}
1956	>	assertEquals(inc(v1), h4.join());
1957	>	rs[4].assertValue(inc(v1));
1958	>	} catch (CompletionException ok) {
1959	>	checkCompletedWithWrappedException(h4, ex);
1960	>	rs[4].assertNotInvoked();
1961	>	}
1962	>	try {
1963	>	assertEquals(inc(v1), h5.join());
1964	>	rs[5].assertValue(inc(v1));
1965	>	} catch (CompletionException ok) {
1966	>	checkCompletedWithWrappedException(h5, ex);
1967	>	rs[5].assertNotInvoked();
1968	>	}
1969
1970	<	/**
1971	<	* thenRunAsync result completes exceptionally if source cancelled
1972	<	*/
1973	<	public void testThenRunAsync4E() {
1974	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1975	<	Noop r = new Noop();
1976	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
1977	<	assertTrue(f.cancel(true));
1978	<	checkCompletedWithWrappedCancellationException(g);
1979	<	}
1970	>	checkCompletedExceptionally(f, ex);
1971	>	checkCompletedNormally(g, v1);
1972	>	checkCompletedWithWrappedException(h0, ex);
1973	>	checkCompletedWithWrappedException(h1, ex);
1974	>	checkCompletedWithWrappedException(h2, ex);
1975	>	checkCompletedWithWrappedException(h3, ex);
1976	>	checkCompletedWithWrappedException(h4, ex);
1977	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
1978	>	}}
1979	>
1980	>	public void testApplyToEither_exceptionalCompletion2() {
1981	>	for (ExecutionMode m : ExecutionMode.values())
1982	>	for (boolean fFirst : new boolean[] { true, false })
1983	>	for (Integer v1 : new Integer[] { 1, null })
1984	>	{
1985	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1986	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
1987	>	final CFException ex = new CFException();
1988	>	final IncFunction[] rs = new IncFunction[6];
1989	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1990	>
1991	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
1992	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
1993	>	if (fFirst) {
1994	>	f.complete(v1);
1995	>	g.completeExceptionally(ex);
1996	>	} else {
1997	>	g.completeExceptionally(ex);
1998	>	f.complete(v1);
1999	>	}
2000	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2001	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2002
2003	<	/**
2004	<	* thenApplyAsync result completes normally after normal completion of source
2005	<	*/
2006	<	public void testThenApplyAsyncE() {
2007	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2008	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2009	<	f.complete(one);
2010	<	checkCompletedNormally(g, two);
2011	<	}
2003	>	// unspecified behavior - both source completions available
2004	>	try {
2005	>	assertEquals(inc(v1), h0.join());
2006	>	rs[0].assertValue(inc(v1));
2007	>	} catch (CompletionException ok) {
2008	>	checkCompletedWithWrappedException(h0, ex);
2009	>	rs[0].assertNotInvoked();
2010	>	}
2011	>	try {
2012	>	assertEquals(inc(v1), h1.join());
2013	>	rs[1].assertValue(inc(v1));
2014	>	} catch (CompletionException ok) {
2015	>	checkCompletedWithWrappedException(h1, ex);
2016	>	rs[1].assertNotInvoked();
2017	>	}
2018	>	try {
2019	>	assertEquals(inc(v1), h2.join());
2020	>	rs[2].assertValue(inc(v1));
2021	>	} catch (CompletionException ok) {
2022	>	checkCompletedWithWrappedException(h2, ex);
2023	>	rs[2].assertNotInvoked();
2024	>	}
2025	>	try {
2026	>	assertEquals(inc(v1), h3.join());
2027	>	rs[3].assertValue(inc(v1));
2028	>	} catch (CompletionException ok) {
2029	>	checkCompletedWithWrappedException(h3, ex);
2030	>	rs[3].assertNotInvoked();
2031	>	}
2032
2033	<	/**
2034	<	* thenApplyAsync result completes exceptionally after exceptional
2035	<	* completion of source
2156	<	*/
2157	<	public void testThenApplyAsync2E() {
2158	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2159	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2160	<	f.completeExceptionally(new CFException());
2161	<	checkCompletedWithWrappedCFException(g);
2162	<	}
2033	>	checkCompletedNormally(f, v1);
2034	>	checkCompletedExceptionally(g, ex);
2035	>	}}
2036
2037		/**
2038	<	* thenApplyAsync result completes exceptionally if action does
2166	<	*/
2167	<	public void testThenApplyAsync3E() {
2168	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2169	<	FailingFunction r = new FailingFunction();
2170	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2171	<	f.complete(null);
2172	<	checkCompletedWithWrappedCFException(g);
2173	<	}
2174	<
2175	<	/**
2176	<	* thenApplyAsync result completes exceptionally if source cancelled
2038	>	* applyToEither result completes exceptionally if either source cancelled
2039		*/
2040	<	public void testThenApplyAsync4E() {
2041	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2042	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
2043	<	assertTrue(f.cancel(true));
2044	<	checkCompletedWithWrappedCancellationException(g);
2045	<	}
2040	>	public void testApplyToEither_sourceCancelled() {
2041	>	for (ExecutionMode m : ExecutionMode.values())
2042	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2043	>	for (Integer v1 : new Integer[] { 1, null })
2044	>	{
2045	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2046	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2047	>	final IncFunction[] rs = new IncFunction[6];
2048	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2049	>
2050	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2051	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2052	>	checkIncomplete(h0);
2053	>	checkIncomplete(h1);
2054	>	rs[0].assertNotInvoked();
2055	>	rs[1].assertNotInvoked();
2056	>	f.cancel(mayInterruptIfRunning);
2057	>	checkCompletedWithWrappedCancellationException(h0);
2058	>	checkCompletedWithWrappedCancellationException(h1);
2059	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2060	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2061	>	checkCompletedWithWrappedCancellationException(h2);
2062	>	checkCompletedWithWrappedCancellationException(h3);
2063	>	g.complete(v1);
2064	>
2065	>	// unspecified behavior - both source completions available
2066	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2067	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2068	>	try {
2069	>	assertEquals(inc(v1), h4.join());
2070	>	rs[4].assertValue(inc(v1));
2071	>	} catch (CompletionException ok) {
2072	>	checkCompletedWithWrappedCancellationException(h4);
2073	>	rs[4].assertNotInvoked();
2074	>	}
2075	>	try {
2076	>	assertEquals(inc(v1), h5.join());
2077	>	rs[5].assertValue(inc(v1));
2078	>	} catch (CompletionException ok) {
2079	>	checkCompletedWithWrappedCancellationException(h5);
2080	>	rs[5].assertNotInvoked();
2081	>	}
2082
2083	<	/**
2084	<	* thenAcceptAsync result completes normally after normal
2085	<	* completion of source
2086	<	*/
2087	<	public void testThenAcceptAsyncE() {
2088	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2089	<	IncAction r = new IncAction();
2090	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2091	<	f.complete(one);
2092	<	checkCompletedNormally(g, null);
2093	<	assertEquals(r.value, 2);
2094	<	}
2083	>	checkCancelled(f);
2084	>	checkCompletedNormally(g, v1);
2085	>	checkCompletedWithWrappedCancellationException(h0);
2086	>	checkCompletedWithWrappedCancellationException(h1);
2087	>	checkCompletedWithWrappedCancellationException(h2);
2088	>	checkCompletedWithWrappedCancellationException(h3);
2089	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2090	>	}}
2091	>
2092	>	public void testApplyToEither_sourceCancelled2() {
2093	>	for (ExecutionMode m : ExecutionMode.values())
2094	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2095	>	for (boolean fFirst : new boolean[] { true, false })
2096	>	for (Integer v1 : new Integer[] { 1, null })
2097	>	{
2098	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2099	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2100	>	final IncFunction[] rs = new IncFunction[6];
2101	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2102	>
2103	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2104	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2105	>	if (fFirst) {
2106	>	f.complete(v1);
2107	>	g.cancel(mayInterruptIfRunning);
2108	>	} else {
2109	>	g.cancel(mayInterruptIfRunning);
2110	>	f.complete(v1);
2111	>	}
2112	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2113	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2114
2115	<	/**
2116	<	* thenAcceptAsync result completes exceptionally after exceptional
2117	<	* completion of source
2118	<	*/
2119	<	public void testThenAcceptAsync2E() {
2120	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2121	<	IncAction r = new IncAction();
2122	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2123	<	f.completeExceptionally(new CFException());
2124	<	checkCompletedWithWrappedCFException(g);
2125	<	}
2115	>	// unspecified behavior - both source completions available
2116	>	try {
2117	>	assertEquals(inc(v1), h0.join());
2118	>	rs[0].assertValue(inc(v1));
2119	>	} catch (CompletionException ok) {
2120	>	checkCompletedWithWrappedCancellationException(h0);
2121	>	rs[0].assertNotInvoked();
2122	>	}
2123	>	try {
2124	>	assertEquals(inc(v1), h1.join());
2125	>	rs[1].assertValue(inc(v1));
2126	>	} catch (CompletionException ok) {
2127	>	checkCompletedWithWrappedCancellationException(h1);
2128	>	rs[1].assertNotInvoked();
2129	>	}
2130	>	try {
2131	>	assertEquals(inc(v1), h2.join());
2132	>	rs[2].assertValue(inc(v1));
2133	>	} catch (CompletionException ok) {
2134	>	checkCompletedWithWrappedCancellationException(h2);
2135	>	rs[2].assertNotInvoked();
2136	>	}
2137	>	try {
2138	>	assertEquals(inc(v1), h3.join());
2139	>	rs[3].assertValue(inc(v1));
2140	>	} catch (CompletionException ok) {
2141	>	checkCompletedWithWrappedCancellationException(h3);
2142	>	rs[3].assertNotInvoked();
2143	>	}
2144
2145	<	/**
2146	<	* thenAcceptAsync result completes exceptionally if action does
2147	<	*/
2213	<	public void testThenAcceptAsync3E() {
2214	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2215	<	FailingConsumer r = new FailingConsumer();
2216	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2217	<	f.complete(null);
2218	<	checkCompletedWithWrappedCFException(g);
2219	<	}
2145	>	checkCompletedNormally(f, v1);
2146	>	checkCancelled(g);
2147	>	}}
2148
2149		/**
2150	<	* thenAcceptAsync result completes exceptionally if source cancelled
2150	>	* applyToEither result completes exceptionally if action does
2151		*/
2152	<	public void testThenAcceptAsync4E() {
2153	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2154	<	IncAction r = new IncAction();
2155	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
2156	<	assertTrue(f.cancel(true));
2157	<	checkCompletedWithWrappedCancellationException(g);
2158	<	}
2152	>	public void testApplyToEither_actionFailed() {
2153	>	for (ExecutionMode m : ExecutionMode.values())
2154	>	for (Integer v1 : new Integer[] { 1, null })
2155	>	for (Integer v2 : new Integer[] { 2, null })
2156	>	{
2157	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2158	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2159	>	final FailingFunction[] rs = new FailingFunction[6];
2160	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2161	>
2162	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2163	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2164	>	f.complete(v1);
2165	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2166	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2167	>	checkCompletedWithWrappedCFException(h0);
2168	>	checkCompletedWithWrappedCFException(h1);
2169	>	checkCompletedWithWrappedCFException(h2);
2170	>	checkCompletedWithWrappedCFException(h3);
2171	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2172	>
2173	>	g.complete(v2);
2174	>
2175	>	// unspecified behavior - both source completions available
2176	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2177	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2178	>
2179	>	checkCompletedWithWrappedCFException(h4);
2180	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2181	>	Objects.equals(v2, rs[4].value));
2182	>	checkCompletedWithWrappedCFException(h5);
2183	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2184	>	Objects.equals(v2, rs[5].value));
2185	>
2186	>	checkCompletedNormally(f, v1);
2187	>	checkCompletedNormally(g, v2);
2188	>	}}
2189
2190		/**
2191	<	* thenCombineAsync result completes normally after normal
2192	<	* completion of sources
2191	>	* acceptEither result completes normally after normal completion
2192	>	* of either source
2193		*/
2194	<	public void testThenCombineAsyncE() {
2195	<	CompletableFuture<Integer> f, g, h;
2196	<	ThreadExecutor e = new ThreadExecutor();
2197	<	int count = 0;
2198	<
2199	<	f = new CompletableFuture<>();
2200	<	g = new CompletableFuture<>();
2201	<	h = f.thenCombineAsync(g, subtract, e);
2202	<	f.complete(3);
2203	<	checkIncomplete(h);
2204	<	g.complete(1);
2205	<	checkCompletedNormally(h, 2);
2206	<	assertEquals(++count, e.count.get());
2207	<
2208	<	f = new CompletableFuture<>();
2209	<	g = new CompletableFuture<>();
2210	<	h = f.thenCombineAsync(g, subtract, e);
2211	<	g.complete(1);
2212	<	checkIncomplete(h);
2213	<	f.complete(3);
2214	<	checkCompletedNormally(h, 2);
2215	<	assertEquals(++count, e.count.get());
2216	<
2217	<	f = new CompletableFuture<>();
2218	<	g = new CompletableFuture<>();
2219	<	g.complete(1);
2220	<	f.complete(3);
2221	<	h = f.thenCombineAsync(g, subtract, e);
2222	<	checkCompletedNormally(h, 2);
2223	<	assertEquals(++count, e.count.get());
2224	<	}
2194	>	public void testAcceptEither_normalCompletion() {
2195	>	for (ExecutionMode m : ExecutionMode.values())
2196	>	for (Integer v1 : new Integer[] { 1, null })
2197	>	for (Integer v2 : new Integer[] { 2, null })
2198	>	{
2199	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2200	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2201	>	final NoopConsumer[] rs = new NoopConsumer[6];
2202	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2203	>
2204	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2205	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2206	>	checkIncomplete(h0);
2207	>	checkIncomplete(h1);
2208	>	rs[0].assertNotInvoked();
2209	>	rs[1].assertNotInvoked();
2210	>	f.complete(v1);
2211	>	checkCompletedNormally(h0, null);
2212	>	checkCompletedNormally(h1, null);
2213	>	rs[0].assertValue(v1);
2214	>	rs[1].assertValue(v1);
2215	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2216	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2217	>	checkCompletedNormally(h2, null);
2218	>	checkCompletedNormally(h3, null);
2219	>	rs[2].assertValue(v1);
2220	>	rs[3].assertValue(v1);
2221	>	g.complete(v2);
2222	>
2223	>	// unspecified behavior - both source completions available
2224	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2225	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2226	>	checkCompletedNormally(h4, null);
2227	>	checkCompletedNormally(h5, null);
2228	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2229	>	Objects.equals(v2, rs[4].value));
2230	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2231	>	Objects.equals(v2, rs[5].value));
2232	>
2233	>	checkCompletedNormally(f, v1);
2234	>	checkCompletedNormally(g, v2);
2235	>	checkCompletedNormally(h0, null);
2236	>	checkCompletedNormally(h1, null);
2237	>	checkCompletedNormally(h2, null);
2238	>	checkCompletedNormally(h3, null);
2239	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2240	>	}}
2241
2242		/**
2243	<	* thenCombineAsync result completes exceptionally after exceptional
2243	>	* acceptEither result completes exceptionally after exceptional
2244		* completion of either source
2245		*/
2246	<	public void testThenCombineAsync2E() {
2247	<	CompletableFuture<Integer> f, g, h;
2248	<	ThreadExecutor e = new ThreadExecutor();
2249	<	int count = 0;
2250	<
2251	<	f = new CompletableFuture<>();
2252	<	g = new CompletableFuture<>();
2253	<	h = f.thenCombineAsync(g, subtract, e);
2254	<	f.completeExceptionally(new CFException());
2255	<	checkIncomplete(h);
2256	<	g.complete(1);
2257	<	checkCompletedWithWrappedCFException(h);
2258	<
2259	<	f = new CompletableFuture<>();
2260	<	g = new CompletableFuture<>();
2261	<	h = f.thenCombineAsync(g, subtract, e);
2262	<	g.completeExceptionally(new CFException());
2263	<	checkIncomplete(h);
2264	<	f.complete(3);
2265	<	checkCompletedWithWrappedCFException(h);
2266	<
2267	<	f = new CompletableFuture<>();
2268	<	g = new CompletableFuture<>();
2269	<	g.completeExceptionally(new CFException());
2270	<	h = f.thenCombineAsync(g, subtract, e);
2271	<	checkIncomplete(h);
2272	<	f.complete(3);
2273	<	checkCompletedWithWrappedCFException(h);
2274	<
2275	<	assertEquals(0, e.count.get());
2276	<	}
2277	<
2278	<	/**
2279	<	* thenCombineAsync result completes exceptionally if action does
2280	<	*/
2281	<	public void testThenCombineAsync3E() {
2282	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2283	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2284	<	FailingBiFunction r = new FailingBiFunction();
2285	<	CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor());
2286	<	f.complete(one);
2287	<	checkIncomplete(g);
2288	<	assertFalse(r.ran);
2315	<	f2.complete(two);
2316	<	checkCompletedWithWrappedCFException(g);
2317	<	assertTrue(r.ran);
2318	<	}
2319	<
2320	<	/**
2321	<	* thenCombineAsync result completes exceptionally if either source cancelled
2322	<	*/
2323	<	public void testThenCombineAsync4E() {
2324	<	CompletableFuture<Integer> f, g, h;
2325	<	ThreadExecutor e = new ThreadExecutor();
2326	<
2327	<	f = new CompletableFuture<>();
2328	<	g = new CompletableFuture<>();
2329	<	h = f.thenCombineAsync(g, subtract, e);
2330	<	assertTrue(f.cancel(true));
2331	<	checkIncomplete(h);
2332	<	g.complete(1);
2333	<	checkCompletedWithWrappedCancellationException(h);
2334	<
2335	<	f = new CompletableFuture<>();
2336	<	g = new CompletableFuture<>();
2337	<	h = f.thenCombineAsync(g, subtract, e);
2338	<	assertTrue(g.cancel(true));
2339	<	checkIncomplete(h);
2340	<	f.complete(3);
2341	<	checkCompletedWithWrappedCancellationException(h);
2342	<
2343	<	f = new CompletableFuture<>();
2344	<	g = new CompletableFuture<>();
2345	<	assertTrue(g.cancel(true));
2346	<	h = f.thenCombineAsync(g, subtract, e);
2347	<	checkIncomplete(h);
2348	<	f.complete(3);
2349	<	checkCompletedWithWrappedCancellationException(h);
2350	<
2351	<	f = new CompletableFuture<>();
2352	<	g = new CompletableFuture<>();
2353	<	assertTrue(f.cancel(true));
2354	<	assertTrue(g.cancel(true));
2355	<	h = f.thenCombineAsync(g, subtract, e);
2356	<	checkCompletedWithWrappedCancellationException(h);
2357	<
2358	<	assertEquals(0, e.count.get());
2359	<	}
2360	<
2361	<	/**
2362	<	* thenAcceptBothAsync result completes normally after normal
2363	<	* completion of sources
2364	<	*/
2365	<	public void testThenAcceptBothAsyncE() {
2366	<	CompletableFuture<Integer> f, g;
2367	<	CompletableFuture<Void> h;
2368	<	SubtractAction r;
2369	<	ThreadExecutor e = new ThreadExecutor();
2370	<
2371	<	f = new CompletableFuture<>();
2372	<	g = new CompletableFuture<>();
2373	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2374	<	f.complete(3);
2375	<	checkIncomplete(h);
2376	<	g.complete(1);
2377	<	checkCompletedNormally(h, null);
2378	<	assertEquals(r.value, 2);
2379	<
2380	<	f = new CompletableFuture<>();
2381	<	g = new CompletableFuture<>();
2382	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2383	<	g.complete(1);
2384	<	checkIncomplete(h);
2385	<	f.complete(3);
2386	<	checkCompletedNormally(h, null);
2387	<	assertEquals(r.value, 2);
2388	<
2389	<	f = new CompletableFuture<>();
2390	<	g = new CompletableFuture<>();
2391	<	g.complete(1);
2392	<	f.complete(3);
2393	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2394	<	checkCompletedNormally(h, null);
2395	<	assertEquals(r.value, 2);
2396	<
2397	<	assertEquals(3, e.count.get());
2398	<	}
2399	<
2400	<	/**
2401	<	* thenAcceptBothAsync result completes exceptionally after exceptional
2402	<	* completion of source
2403	<	*/
2404	<	public void testThenAcceptBothAsync2E() {
2405	<	CompletableFuture<Integer> f, g;
2406	<	CompletableFuture<Void> h;
2407	<	SubtractAction r;
2408	<	ThreadExecutor e = new ThreadExecutor();
2409	<
2410	<	f = new CompletableFuture<>();
2411	<	g = new CompletableFuture<>();
2412	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2413	<	f.completeExceptionally(new CFException());
2414	<	checkIncomplete(h);
2415	<	g.complete(1);
2416	<	checkCompletedWithWrappedCFException(h);
2417	<
2418	<	f = new CompletableFuture<>();
2419	<	g = new CompletableFuture<>();
2420	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2421	<	g.completeExceptionally(new CFException());
2422	<	checkIncomplete(h);
2423	<	f.complete(3);
2424	<	checkCompletedWithWrappedCFException(h);
2425	<
2426	<	f = new CompletableFuture<>();
2427	<	g = new CompletableFuture<>();
2428	<	f.complete(3);
2429	<	g.completeExceptionally(new CFException());
2430	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2431	<	checkCompletedWithWrappedCFException(h);
2432	<
2433	<	f = new CompletableFuture<>();
2434	<	g = new CompletableFuture<>();
2435	<	f.completeExceptionally(new CFException());
2436	<	g.complete(3);
2437	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2438	<	checkCompletedWithWrappedCFException(h);
2439	<
2440	<	assertEquals(0, e.count.get());
2441	<	}
2442	<
2443	<	/**
2444	<	* thenAcceptBothAsync result completes exceptionally if action does
2445	<	*/
2446	<	public void testThenAcceptBothAsync3E() {
2447	<	CompletableFuture<Integer> f, g;
2448	<	CompletableFuture<Void> h;
2449	<	FailingBiConsumer r;
2450	<	ThreadExecutor e = new ThreadExecutor();
2451	<
2452	<	f = new CompletableFuture<>();
2453	<	g = new CompletableFuture<>();
2454	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2455	<	f.complete(3);
2456	<	checkIncomplete(h);
2457	<	g.complete(1);
2458	<	checkCompletedWithWrappedCFException(h);
2459	<
2460	<	f = new CompletableFuture<>();
2461	<	g = new CompletableFuture<>();
2462	<	f.complete(3);
2463	<	g.complete(1);
2464	<	h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e);
2465	<	checkCompletedWithWrappedCFException(h);
2466	<
2467	<	assertEquals(2, e.count.get());
2468	<	}
2469	<
2470	<	/**
2471	<	* thenAcceptBothAsync result completes exceptionally if either source cancelled
2472	<	*/
2473	<	public void testThenAcceptBothAsync4E() {
2474	<	CompletableFuture<Integer> f, g;
2475	<	CompletableFuture<Void> h;
2476	<	SubtractAction r;
2477	<	ThreadExecutor e = new ThreadExecutor();
2478	<
2479	<	f = new CompletableFuture<>();
2480	<	g = new CompletableFuture<>();
2481	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2482	<	assertTrue(f.cancel(true));
2483	<	checkIncomplete(h);
2484	<	g.complete(1);
2485	<	checkCompletedWithWrappedCancellationException(h);
2486	<
2487	<	f = new CompletableFuture<>();
2488	<	g = new CompletableFuture<>();
2489	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2490	<	assertTrue(g.cancel(true));
2491	<	checkIncomplete(h);
2492	<	f.complete(3);
2493	<	checkCompletedWithWrappedCancellationException(h);
2494	<
2495	<	f = new CompletableFuture<>();
2496	<	g = new CompletableFuture<>();
2497	<	f.complete(3);
2498	<	assertTrue(g.cancel(true));
2499	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2500	<	checkCompletedWithWrappedCancellationException(h);
2501	<
2502	<	f = new CompletableFuture<>();
2503	<	g = new CompletableFuture<>();
2504	<	assertTrue(f.cancel(true));
2505	<	g.complete(3);
2506	<	h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e);
2507	<	checkCompletedWithWrappedCancellationException(h);
2508	<
2509	<	assertEquals(0, e.count.get());
2510	<	}
2511	<
2512	<	/**
2513	<	* runAfterBothAsync result completes normally after normal
2514	<	* completion of sources
2515	<	*/
2516	<	public void testRunAfterBothAsyncE() {
2517	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2518	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2519	<	Noop r = new Noop();
2520	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2521	<	f.complete(one);
2522	<	checkIncomplete(g);
2523	<	f2.complete(two);
2524	<	checkCompletedNormally(g, null);
2525	<	assertTrue(r.ran);
2526	<	}
2527	<
2528	<	/**
2529	<	* runAfterBothAsync result completes exceptionally after exceptional
2530	<	* completion of source
2531	<	*/
2532	<	public void testRunAfterBothAsync2E() {
2533	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2534	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2535	<	Noop r = new Noop();
2536	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2537	<	f.completeExceptionally(new CFException());
2538	<	f2.complete(two);
2539	<	checkCompletedWithWrappedCFException(g);
2540	<
2541	<	r = new Noop();
2542	<	f = new CompletableFuture<>();
2543	<	f2 = new CompletableFuture<>();
2544	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2545	<	f.complete(one);
2546	<	f2.completeExceptionally(new CFException());
2547	<	checkCompletedWithWrappedCFException(g);
2548	<	}
2246	>	public void testAcceptEither_exceptionalCompletion() {
2247	>	for (ExecutionMode m : ExecutionMode.values())
2248	>	for (Integer v1 : new Integer[] { 1, null })
2249	>	{
2250	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2251	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2252	>	final CFException ex = new CFException();
2253	>	final NoopConsumer[] rs = new NoopConsumer[6];
2254	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2255	>
2256	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2257	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2258	>	checkIncomplete(h0);
2259	>	checkIncomplete(h1);
2260	>	rs[0].assertNotInvoked();
2261	>	rs[1].assertNotInvoked();
2262	>	f.completeExceptionally(ex);
2263	>	checkCompletedWithWrappedException(h0, ex);
2264	>	checkCompletedWithWrappedException(h1, ex);
2265	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2266	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2267	>	checkCompletedWithWrappedException(h2, ex);
2268	>	checkCompletedWithWrappedException(h3, ex);
2269	>
2270	>	g.complete(v1);
2271	>
2272	>	// unspecified behavior - both source completions available
2273	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2274	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2275	>	try {
2276	>	assertNull(h4.join());
2277	>	rs[4].assertValue(v1);
2278	>	} catch (CompletionException ok) {
2279	>	checkCompletedWithWrappedException(h4, ex);
2280	>	rs[4].assertNotInvoked();
2281	>	}
2282	>	try {
2283	>	assertNull(h5.join());
2284	>	rs[5].assertValue(v1);
2285	>	} catch (CompletionException ok) {
2286	>	checkCompletedWithWrappedException(h5, ex);
2287	>	rs[5].assertNotInvoked();
2288	>	}
2289
2290	<	/**
2291	<	* runAfterBothAsync result completes exceptionally if action does
2292	<	*/
2293	<	public void testRunAfterBothAsync3E() {
2294	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2295	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2296	<	FailingNoop r = new FailingNoop();
2297	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2298	<	f.complete(one);
2299	<	checkIncomplete(g);
2300	<	f2.complete(two);
2301	<	checkCompletedWithWrappedCFException(g);
2302	<	}
2290	>	checkCompletedExceptionally(f, ex);
2291	>	checkCompletedNormally(g, v1);
2292	>	checkCompletedWithWrappedException(h0, ex);
2293	>	checkCompletedWithWrappedException(h1, ex);
2294	>	checkCompletedWithWrappedException(h2, ex);
2295	>	checkCompletedWithWrappedException(h3, ex);
2296	>	checkCompletedWithWrappedException(h4, ex);
2297	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2298	>	}}
2299	>
2300	>	public void testAcceptEither_exceptionalCompletion2() {
2301	>	for (ExecutionMode m : ExecutionMode.values())
2302	>	for (boolean fFirst : new boolean[] { true, false })
2303	>	for (Integer v1 : new Integer[] { 1, null })
2304	>	{
2305	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2306	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2307	>	final CFException ex = new CFException();
2308	>	final NoopConsumer[] rs = new NoopConsumer[6];
2309	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2310	>
2311	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2312	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2313	>	if (fFirst) {
2314	>	f.complete(v1);
2315	>	g.completeExceptionally(ex);
2316	>	} else {
2317	>	g.completeExceptionally(ex);
2318	>	f.complete(v1);
2319	>	}
2320	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2321	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2322
2323	<	/**
2324	<	* runAfterBothAsync result completes exceptionally if either source cancelled
2325	<	*/
2326	<	public void testRunAfterBothAsync4E() {
2327	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2328	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2329	<	Noop r = new Noop();
2330	<	CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2331	<	assertTrue(f.cancel(true));
2332	<	f2.complete(two);
2333	<	checkCompletedWithWrappedCancellationException(g);
2323	>	// unspecified behavior - both source completions available
2324	>	try {
2325	>	assertEquals(null, h0.join());
2326	>	rs[0].assertValue(v1);
2327	>	} catch (CompletionException ok) {
2328	>	checkCompletedWithWrappedException(h0, ex);
2329	>	rs[0].assertNotInvoked();
2330	>	}
2331	>	try {
2332	>	assertEquals(null, h1.join());
2333	>	rs[1].assertValue(v1);
2334	>	} catch (CompletionException ok) {
2335	>	checkCompletedWithWrappedException(h1, ex);
2336	>	rs[1].assertNotInvoked();
2337	>	}
2338	>	try {
2339	>	assertEquals(null, h2.join());
2340	>	rs[2].assertValue(v1);
2341	>	} catch (CompletionException ok) {
2342	>	checkCompletedWithWrappedException(h2, ex);
2343	>	rs[2].assertNotInvoked();
2344	>	}
2345	>	try {
2346	>	assertEquals(null, h3.join());
2347	>	rs[3].assertValue(v1);
2348	>	} catch (CompletionException ok) {
2349	>	checkCompletedWithWrappedException(h3, ex);
2350	>	rs[3].assertNotInvoked();
2351	>	}
2352
2353	<	r = new Noop();
2354	<	f = new CompletableFuture<>();
2355	<	f2 = new CompletableFuture<>();
2579	<	g = f.runAfterBothAsync(f2, r, new ThreadExecutor());
2580	<	f.complete(one);
2581	<	assertTrue(f2.cancel(true));
2582	<	checkCompletedWithWrappedCancellationException(g);
2583	<	}
2353	>	checkCompletedNormally(f, v1);
2354	>	checkCompletedExceptionally(g, ex);
2355	>	}}
2356
2357		/**
2358	<	* applyToEitherAsync result completes normally after normal
2587	<	* completion of sources
2358	>	* acceptEither result completes exceptionally if either source cancelled
2359		*/
2360	<	public void testApplyToEitherAsyncE() {
2361	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2362	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2363	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2364	<	f.complete(one);
2365	<	checkCompletedNormally(g, two);
2360	>	public void testAcceptEither_sourceCancelled() {
2361	>	for (ExecutionMode m : ExecutionMode.values())
2362	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2363	>	for (Integer v1 : new Integer[] { 1, null })
2364	>	{
2365	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2366	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2367	>	final NoopConsumer[] rs = new NoopConsumer[6];
2368	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2369	>
2370	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2371	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2372	>	checkIncomplete(h0);
2373	>	checkIncomplete(h1);
2374	>	rs[0].assertNotInvoked();
2375	>	rs[1].assertNotInvoked();
2376	>	f.cancel(mayInterruptIfRunning);
2377	>	checkCompletedWithWrappedCancellationException(h0);
2378	>	checkCompletedWithWrappedCancellationException(h1);
2379	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2380	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2381	>	checkCompletedWithWrappedCancellationException(h2);
2382	>	checkCompletedWithWrappedCancellationException(h3);
2383	>
2384	>	g.complete(v1);
2385	>
2386	>	// unspecified behavior - both source completions available
2387	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2388	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2389	>	try {
2390	>	assertNull(h4.join());
2391	>	rs[4].assertValue(v1);
2392	>	} catch (CompletionException ok) {
2393	>	checkCompletedWithWrappedCancellationException(h4);
2394	>	rs[4].assertNotInvoked();
2395	>	}
2396	>	try {
2397	>	assertNull(h5.join());
2398	>	rs[5].assertValue(v1);
2399	>	} catch (CompletionException ok) {
2400	>	checkCompletedWithWrappedCancellationException(h5);
2401	>	rs[5].assertNotInvoked();
2402	>	}
2403
2404	<	f = new CompletableFuture<>();
2405	<	f.complete(one);
2406	<	f2 = new CompletableFuture<>();
2407	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2408	<	checkCompletedNormally(g, two);
2409	<	}
2404	>	checkCancelled(f);
2405	>	checkCompletedNormally(g, v1);
2406	>	checkCompletedWithWrappedCancellationException(h0);
2407	>	checkCompletedWithWrappedCancellationException(h1);
2408	>	checkCompletedWithWrappedCancellationException(h2);
2409	>	checkCompletedWithWrappedCancellationException(h3);
2410	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2411	>	}}
2412
2413		/**
2414	<	* applyToEitherAsync result completes exceptionally after exceptional
2605	<	* completion of source
2414	>	* acceptEither result completes exceptionally if action does
2415		*/
2416	<	public void testApplyToEitherAsync2E() {
2417	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2418	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2419	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2420	<	f.completeExceptionally(new CFException());
2421	<	checkCompletedWithWrappedCFException(g);
2422	<
2423	<	f = new CompletableFuture<>();
2424	<	f2 = new CompletableFuture<>();
2425	<	f2.completeExceptionally(new CFException());
2426	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2427	<	f.complete(one);
2428	<	checkCompletedWithWrappedCFException(g);
2429	<	}
2416	>	public void testAcceptEither_actionFailed() {
2417	>	for (ExecutionMode m : ExecutionMode.values())
2418	>	for (Integer v1 : new Integer[] { 1, null })
2419	>	for (Integer v2 : new Integer[] { 2, null })
2420	>	{
2421	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2422	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2423	>	final FailingConsumer[] rs = new FailingConsumer[6];
2424	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2425	>
2426	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2427	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2428	>	f.complete(v1);
2429	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2430	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2431	>	checkCompletedWithWrappedCFException(h0);
2432	>	checkCompletedWithWrappedCFException(h1);
2433	>	checkCompletedWithWrappedCFException(h2);
2434	>	checkCompletedWithWrappedCFException(h3);
2435	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2436	>
2437	>	g.complete(v2);
2438	>
2439	>	// unspecified behavior - both source completions available
2440	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2441	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2442	>
2443	>	checkCompletedWithWrappedCFException(h4);
2444	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2445	>	Objects.equals(v2, rs[4].value));
2446	>	checkCompletedWithWrappedCFException(h5);
2447	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2448	>	Objects.equals(v2, rs[5].value));
2449	>
2450	>	checkCompletedNormally(f, v1);
2451	>	checkCompletedNormally(g, v2);
2452	>	}}
2453
2454		/**
2455	<	* applyToEitherAsync result completes exceptionally if action does
2455	>	* runAfterEither result completes normally after normal completion
2456	>	* of either source
2457		*/
2458	<	public void testApplyToEitherAsync3E() {
2459	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2460	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2461	<	FailingFunction r = new FailingFunction();
2462	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor());
2463	<	f.complete(one);
2464	<	checkCompletedWithWrappedCFException(g);
2465	<	}
2458	>	public void testRunAfterEither_normalCompletion() {
2459	>	for (ExecutionMode m : ExecutionMode.values())
2460	>	for (Integer v1 : new Integer[] { 1, null })
2461	>	for (Integer v2 : new Integer[] { 2, null })
2462	>	{
2463	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2464	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2465	>	final Noop[] rs = new Noop[6];
2466	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2467	>
2468	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2469	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2470	>	checkIncomplete(h0);
2471	>	checkIncomplete(h1);
2472	>	rs[0].assertNotInvoked();
2473	>	rs[1].assertNotInvoked();
2474	>	f.complete(v1);
2475	>	checkCompletedNormally(h0, null);
2476	>	checkCompletedNormally(h1, null);
2477	>	rs[0].assertInvoked();
2478	>	rs[1].assertInvoked();
2479	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2480	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2481	>	checkCompletedNormally(h2, null);
2482	>	checkCompletedNormally(h3, null);
2483	>	rs[2].assertInvoked();
2484	>	rs[3].assertInvoked();
2485	>
2486	>	g.complete(v2);
2487	>
2488	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2489	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2490	>
2491	>	checkCompletedNormally(f, v1);
2492	>	checkCompletedNormally(g, v2);
2493	>	checkCompletedNormally(h0, null);
2494	>	checkCompletedNormally(h1, null);
2495	>	checkCompletedNormally(h2, null);
2496	>	checkCompletedNormally(h3, null);
2497	>	checkCompletedNormally(h4, null);
2498	>	checkCompletedNormally(h5, null);
2499	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2500	>	}}
2501
2502		/**
2503	<	* applyToEitherAsync result completes exceptionally if either source cancelled
2503	>	* runAfterEither result completes exceptionally after exceptional
2504	>	* completion of either source
2505		*/
2506	<	public void testApplyToEitherAsync4E() {
2507	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2508	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2509	<	CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2510	<	assertTrue(f.cancel(true));
2511	<	checkCompletedWithWrappedCancellationException(g);
2506	>	public void testRunAfterEither_exceptionalCompletion() {
2507	>	for (ExecutionMode m : ExecutionMode.values())
2508	>	for (Integer v1 : new Integer[] { 1, null })
2509	>	{
2510	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2511	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2512	>	final CFException ex = new CFException();
2513	>	final Noop[] rs = new Noop[6];
2514	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2515	>
2516	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2517	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2518	>	checkIncomplete(h0);
2519	>	checkIncomplete(h1);
2520	>	rs[0].assertNotInvoked();
2521	>	rs[1].assertNotInvoked();
2522	>	f.completeExceptionally(ex);
2523	>	checkCompletedWithWrappedException(h0, ex);
2524	>	checkCompletedWithWrappedException(h1, ex);
2525	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2526	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2527	>	checkCompletedWithWrappedException(h2, ex);
2528	>	checkCompletedWithWrappedException(h3, ex);
2529	>
2530	>	g.complete(v1);
2531	>
2532	>	// unspecified behavior - both source completions available
2533	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2534	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2535	>	try {
2536	>	assertNull(h4.join());
2537	>	rs[4].assertInvoked();
2538	>	} catch (CompletionException ok) {
2539	>	checkCompletedWithWrappedException(h4, ex);
2540	>	rs[4].assertNotInvoked();
2541	>	}
2542	>	try {
2543	>	assertNull(h5.join());
2544	>	rs[5].assertInvoked();
2545	>	} catch (CompletionException ok) {
2546	>	checkCompletedWithWrappedException(h5, ex);
2547	>	rs[5].assertNotInvoked();
2548	>	}
2549
2550	<	f = new CompletableFuture<>();
2551	<	f2 = new CompletableFuture<>();
2552	<	assertTrue(f2.cancel(true));
2553	<	g = f.applyToEitherAsync(f2, inc, new ThreadExecutor());
2554	<	checkCompletedWithWrappedCancellationException(g);
2555	<	}
2550	>	checkCompletedExceptionally(f, ex);
2551	>	checkCompletedNormally(g, v1);
2552	>	checkCompletedWithWrappedException(h0, ex);
2553	>	checkCompletedWithWrappedException(h1, ex);
2554	>	checkCompletedWithWrappedException(h2, ex);
2555	>	checkCompletedWithWrappedException(h3, ex);
2556	>	checkCompletedWithWrappedException(h4, ex);
2557	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2558	>	}}
2559	>
2560	>	public void testRunAfterEither_exceptionalCompletion2() {
2561	>	for (ExecutionMode m : ExecutionMode.values())
2562	>	for (boolean fFirst : new boolean[] { true, false })
2563	>	for (Integer v1 : new Integer[] { 1, null })
2564	>	{
2565	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2566	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2567	>	final CFException ex = new CFException();
2568	>	final Noop[] rs = new Noop[6];
2569	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2570	>
2571	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2572	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2573	>	if (fFirst) {
2574	>	f.complete(v1);
2575	>	g.completeExceptionally(ex);
2576	>	} else {
2577	>	g.completeExceptionally(ex);
2578	>	f.complete(v1);
2579	>	}
2580	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2581	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2582
2583	<	/**
2584	<	* acceptEitherAsync result completes normally after normal
2585	<	* completion of sources
2586	<	*/
2587	<	public void testAcceptEitherAsyncE() {
2588	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2589	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2590	<	IncAction r = new IncAction();
2591	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2592	<	f.complete(one);
2593	<	checkCompletedNormally(g, null);
2594	<	assertEquals(r.value, 2);
2583	>	// unspecified behavior - both source completions available
2584	>	try {
2585	>	assertEquals(null, h0.join());
2586	>	rs[0].assertInvoked();
2587	>	} catch (CompletionException ok) {
2588	>	checkCompletedWithWrappedException(h0, ex);
2589	>	rs[0].assertNotInvoked();
2590	>	}
2591	>	try {
2592	>	assertEquals(null, h1.join());
2593	>	rs[1].assertInvoked();
2594	>	} catch (CompletionException ok) {
2595	>	checkCompletedWithWrappedException(h1, ex);
2596	>	rs[1].assertNotInvoked();
2597	>	}
2598	>	try {
2599	>	assertEquals(null, h2.join());
2600	>	rs[2].assertInvoked();
2601	>	} catch (CompletionException ok) {
2602	>	checkCompletedWithWrappedException(h2, ex);
2603	>	rs[2].assertNotInvoked();
2604	>	}
2605	>	try {
2606	>	assertEquals(null, h3.join());
2607	>	rs[3].assertInvoked();
2608	>	} catch (CompletionException ok) {
2609	>	checkCompletedWithWrappedException(h3, ex);
2610	>	rs[3].assertNotInvoked();
2611	>	}
2612
2613	<	r = new IncAction();
2614	<	f = new CompletableFuture<>();
2615	<	f.complete(one);
2667	<	f2 = new CompletableFuture<>();
2668	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2669	<	checkCompletedNormally(g, null);
2670	<	assertEquals(r.value, 2);
2671	<	}
2613	>	checkCompletedNormally(f, v1);
2614	>	checkCompletedExceptionally(g, ex);
2615	>	}}
2616
2617		/**
2618	<	* acceptEitherAsync result completes exceptionally after exceptional
2675	<	* completion of source
2618	>	* runAfterEither result completes exceptionally if either source cancelled
2619		*/
2620	<	public void testAcceptEitherAsync2E() {
2621	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2622	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2623	<	IncAction r = new IncAction();
2624	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2625	<	f.completeExceptionally(new CFException());
2626	<	checkCompletedWithWrappedCFException(g);
2620	>	public void testRunAfterEither_sourceCancelled() {
2621	>	for (ExecutionMode m : ExecutionMode.values())
2622	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2623	>	for (Integer v1 : new Integer[] { 1, null })
2624	>	{
2625	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2626	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2627	>	final Noop[] rs = new Noop[6];
2628	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2629	>
2630	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2631	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2632	>	checkIncomplete(h0);
2633	>	checkIncomplete(h1);
2634	>	rs[0].assertNotInvoked();
2635	>	rs[1].assertNotInvoked();
2636	>	f.cancel(mayInterruptIfRunning);
2637	>	checkCompletedWithWrappedCancellationException(h0);
2638	>	checkCompletedWithWrappedCancellationException(h1);
2639	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2640	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2641	>	checkCompletedWithWrappedCancellationException(h2);
2642	>	checkCompletedWithWrappedCancellationException(h3);
2643	>
2644	>	g.complete(v1);
2645	>
2646	>	// unspecified behavior - both source completions available
2647	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2648	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2649	>	try {
2650	>	assertNull(h4.join());
2651	>	rs[4].assertInvoked();
2652	>	} catch (CompletionException ok) {
2653	>	checkCompletedWithWrappedCancellationException(h4);
2654	>	rs[4].assertNotInvoked();
2655	>	}
2656	>	try {
2657	>	assertNull(h5.join());
2658	>	rs[5].assertInvoked();
2659	>	} catch (CompletionException ok) {
2660	>	checkCompletedWithWrappedCancellationException(h5);
2661	>	rs[5].assertNotInvoked();
2662	>	}
2663
2664	<	r = new IncAction();
2665	<	f = new CompletableFuture<>();
2666	<	f2 = new CompletableFuture<>();
2667	<	f2.completeExceptionally(new CFException());
2668	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2669	<	f.complete(one);
2670	<	checkCompletedWithWrappedCFException(g);
2671	<	}
2664	>	checkCancelled(f);
2665	>	checkCompletedNormally(g, v1);
2666	>	checkCompletedWithWrappedCancellationException(h0);
2667	>	checkCompletedWithWrappedCancellationException(h1);
2668	>	checkCompletedWithWrappedCancellationException(h2);
2669	>	checkCompletedWithWrappedCancellationException(h3);
2670	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2671	>	}}
2672
2673		/**
2674	<	* acceptEitherAsync result completes exceptionally if action does
2674	>	* runAfterEither result completes exceptionally if action does
2675		*/
2676	<	public void testAcceptEitherAsync3E() {
2677	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2678	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2679	<	FailingConsumer r = new FailingConsumer();
2680	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2681	<	f.complete(one);
2682	<	checkCompletedWithWrappedCFException(g);
2683	<	}
2676	>	public void testRunAfterEither_actionFailed() {
2677	>	for (ExecutionMode m : ExecutionMode.values())
2678	>	for (Integer v1 : new Integer[] { 1, null })
2679	>	for (Integer v2 : new Integer[] { 2, null })
2680	>	{
2681	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2682	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2683	>	final FailingRunnable[] rs = new FailingRunnable[6];
2684	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2685	>
2686	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2687	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2688	>	f.complete(v1);
2689	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2690	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2691	>	checkCompletedWithWrappedCFException(h0);
2692	>	checkCompletedWithWrappedCFException(h1);
2693	>	checkCompletedWithWrappedCFException(h2);
2694	>	checkCompletedWithWrappedCFException(h3);
2695	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2696	>	g.complete(v2);
2697	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2698	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2699	>	checkCompletedWithWrappedCFException(h4);
2700	>	checkCompletedWithWrappedCFException(h5);
2701	>
2702	>	checkCompletedNormally(f, v1);
2703	>	checkCompletedNormally(g, v2);
2704	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2705	>	}}
2706
2707		/**
2708	<	* acceptEitherAsync result completes exceptionally if either
2708	<	* source cancelled
2709	<	*/
2710	<	public void testAcceptEitherAsync4E() {
2711	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2712	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2713	<	IncAction r = new IncAction();
2714	<	CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2715	<	assertTrue(f.cancel(true));
2716	<	checkCompletedWithWrappedCancellationException(g);
2717	<
2718	<	r = new IncAction();
2719	<	f = new CompletableFuture<>();
2720	<	f2 = new CompletableFuture<>();
2721	<	assertTrue(f2.cancel(true));
2722	<	g = f.acceptEitherAsync(f2, r, new ThreadExecutor());
2723	<	checkCompletedWithWrappedCancellationException(g);
2724	<	}
2725	<
2726	<	/**
2727	<	* runAfterEitherAsync result completes normally after normal
2728	<	* completion of sources
2708	>	* thenCompose result completes normally after normal completion of source
2709		*/
2710	<	public void testRunAfterEitherAsyncE() {
2711	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2712	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2713	<	Noop r = new Noop();
2714	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2715	<	f.complete(one);
2716	<	checkCompletedNormally(g, null);
2717	<	assertTrue(r.ran);
2718	<
2719	<	r = new Noop();
2720	<	f = new CompletableFuture<>();
2721	<	f.complete(one);
2722	<	f2 = new CompletableFuture<>();
2723	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2724	<	checkCompletedNormally(g, null);
2745	<	assertTrue(r.ran);
2746	<	}
2710	>	public void testThenCompose_normalCompletion() {
2711	>	for (ExecutionMode m : ExecutionMode.values())
2712	>	for (boolean createIncomplete : new boolean[] { true, false })
2713	>	for (Integer v1 : new Integer[] { 1, null })
2714	>	{
2715	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2716	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2717	>	if (!createIncomplete) f.complete(v1);
2718	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2719	>	if (createIncomplete) f.complete(v1);
2720	>
2721	>	checkCompletedNormally(g, inc(v1));
2722	>	checkCompletedNormally(f, v1);
2723	>	r.assertValue(v1);
2724	>	}}
2725
2726		/**
2727	<	* runAfterEitherAsync result completes exceptionally after exceptional
2727	>	* thenCompose result completes exceptionally after exceptional
2728		* completion of source
2729		*/
2730	<	public void testRunAfterEitherAsync2E() {
2731	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2732	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2733	<	Noop r = new Noop();
2734	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2735	<	f.completeExceptionally(new CFException());
2736	<	checkCompletedWithWrappedCFException(g);
2737	<
2738	<	r = new Noop();
2739	<	f = new CompletableFuture<>();
2740	<	f2 = new CompletableFuture<>();
2741	<	f2.completeExceptionally(new CFException());
2742	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2743	<	f.complete(one);
2744	<	checkCompletedWithWrappedCFException(g);
2767	<	}
2730	>	public void testThenCompose_exceptionalCompletion() {
2731	>	for (ExecutionMode m : ExecutionMode.values())
2732	>	for (boolean createIncomplete : new boolean[] { true, false })
2733	>	{
2734	>	final CFException ex = new CFException();
2735	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2736	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2737	>	if (!createIncomplete) f.completeExceptionally(ex);
2738	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2739	>	if (createIncomplete) f.completeExceptionally(ex);
2740	>
2741	>	checkCompletedWithWrappedException(g, ex);
2742	>	checkCompletedExceptionally(f, ex);
2743	>	r.assertNotInvoked();
2744	>	}}
2745
2746		/**
2747	<	* runAfterEitherAsync result completes exceptionally if action does
2771	<	*/
2772	<	public void testRunAfterEitherAsync3E() {
2773	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2774	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2775	<	FailingNoop r = new FailingNoop();
2776	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2777	<	f.complete(one);
2778	<	checkCompletedWithWrappedCFException(g);
2779	<	}
2780	<
2781	<	/**
2782	<	* runAfterEitherAsync result completes exceptionally if either
2783	<	* source cancelled
2784	<	*/
2785	<	public void testRunAfterEitherAsync4E() {
2786	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2787	<	CompletableFuture<Integer> f2 = new CompletableFuture<>();
2788	<	Noop r = new Noop();
2789	<	CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2790	<	assertTrue(f.cancel(true));
2791	<	checkCompletedWithWrappedCancellationException(g);
2792	<
2793	<	r = new Noop();
2794	<	f = new CompletableFuture<>();
2795	<	f2 = new CompletableFuture<>();
2796	<	assertTrue(f2.cancel(true));
2797	<	g = f.runAfterEitherAsync(f2, r, new ThreadExecutor());
2798	<	checkCompletedWithWrappedCancellationException(g);
2799	<	}
2800	<
2801	<	/**
2802	<	* thenComposeAsync result completes normally after normal
2803	<	* completion of source
2747	>	* thenCompose result completes exceptionally if action does
2748		*/
2749	<	public void testThenComposeAsyncE() {
2750	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2751	<	CompletableFutureInc r = new CompletableFutureInc();
2752	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2753	<	f.complete(one);
2754	<	checkCompletedNormally(g, two);
2755	<	}
2749	>	public void testThenCompose_actionFailed() {
2750	>	for (ExecutionMode m : ExecutionMode.values())
2751	>	for (boolean createIncomplete : new boolean[] { true, false })
2752	>	for (Integer v1 : new Integer[] { 1, null })
2753	>	{
2754	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2755	>	final FailingCompletableFutureFunction r
2756	>	= new FailingCompletableFutureFunction(m);
2757	>	if (!createIncomplete) f.complete(v1);
2758	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2759	>	if (createIncomplete) f.complete(v1);
2760
2813	–	/**
2814	–	* thenComposeAsync result completes exceptionally after
2815	–	* exceptional completion of source
2816	–	*/
2817	–	public void testThenComposeAsync2E() {
2818	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2819	–	CompletableFutureInc r = new CompletableFutureInc();
2820	–	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2821	–	f.completeExceptionally(new CFException());
2761		checkCompletedWithWrappedCFException(g);
2762	<	}
2762	>	checkCompletedNormally(f, v1);
2763	>	}}
2764
2765		/**
2766	<	* thenComposeAsync result completes exceptionally if action does
2766	>	* thenCompose result completes exceptionally if source cancelled
2767		*/
2768	<	public void testThenComposeAsync3E() {
2769	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2770	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2771	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2772	<	f.complete(one);
2773	<	checkCompletedWithWrappedCFException(g);
2774	<	}
2768	>	public void testThenCompose_sourceCancelled() {
2769	>	for (ExecutionMode m : ExecutionMode.values())
2770	>	for (boolean createIncomplete : new boolean[] { true, false })
2771	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2772	>	{
2773	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2774	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2775	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2776	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2777	>	if (createIncomplete) {
2778	>	checkIncomplete(g);
2779	>	assertTrue(f.cancel(mayInterruptIfRunning));
2780	>	}
2781
2836	–	/**
2837	–	* thenComposeAsync result completes exceptionally if source cancelled
2838	–	*/
2839	–	public void testThenComposeAsync4E() {
2840	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2841	–	CompletableFutureInc r = new CompletableFutureInc();
2842	–	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2843	–	assertTrue(f.cancel(true));
2782		checkCompletedWithWrappedCancellationException(g);
2783	<	}
2783	>	checkCancelled(f);
2784	>	}}
2785
2786		// other static methods
2787
#	Line 2861 | Line 2800 | public class CompletableFutureTest exten
2800		*/
2801		public void testAllOf_normal() throws Exception {
2802		for (int k = 1; k < 20; ++k) {
2803	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
2803	>	CompletableFuture<Integer>[] fs
2804	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
2805		for (int i = 0; i < k; ++i)
2806		fs[i] = new CompletableFuture<>();
2807		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
#	Line 2875 | Line 2815 | public class CompletableFutureTest exten
2815		}
2816		}
2817
2818	+	public void testAllOf_backwards() throws Exception {
2819	+	for (int k = 1; k < 20; ++k) {
2820	+	CompletableFuture<Integer>[] fs
2821	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
2822	+	for (int i = 0; i < k; ++i)
2823	+	fs[i] = new CompletableFuture<>();
2824	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
2825	+	for (int i = k - 1; i >= 0; i--) {
2826	+	checkIncomplete(f);
2827	+	checkIncomplete(CompletableFuture.allOf(fs));
2828	+	fs[i].complete(one);
2829	+	}
2830	+	checkCompletedNormally(f, null);
2831	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
2832	+	}
2833	+	}
2834	+
2835		/**
2836		* anyOf(no component futures) returns an incomplete future
2837		*/
#	Line 2931 | Line 2888 | public class CompletableFutureTest exten
2888		ThreadExecutor exec = new ThreadExecutor();
2889
2890		Runnable[] throwingActions = {
2891	<	() -> { CompletableFuture.supplyAsync(null); },
2892	<	() -> { CompletableFuture.supplyAsync(null, exec); },
2893	<	() -> { CompletableFuture.supplyAsync(supplyOne, null); },
2894	<
2895	<	() -> { CompletableFuture.runAsync(null); },
2896	<	() -> { CompletableFuture.runAsync(null, exec); },
2897	<	() -> { CompletableFuture.runAsync(() -> {}, null); },
2898	<
2899	<	() -> { f.completeExceptionally(null); },
2900	<
2901	<	() -> { f.thenApply(null); },
2902	<	() -> { f.thenApplyAsync(null); },
2903	<	() -> { f.thenApplyAsync((x) -> x, null); },
2904	<	() -> { f.thenApplyAsync(null, exec); },
2905	<
2906	<	() -> { f.thenAccept(null); },
2907	<	() -> { f.thenAcceptAsync(null); },
2908	<	() -> { f.thenAcceptAsync((x) -> { ; }, null); },
2909	<	() -> { f.thenAcceptAsync(null, exec); },
2910	<
2911	<	() -> { f.thenRun(null); },
2912	<	() -> { f.thenRunAsync(null); },
2913	<	() -> { f.thenRunAsync(() -> { ; }, null); },
2914	<	() -> { f.thenRunAsync(null, exec); },
2915	<
2916	<	() -> { f.thenCombine(g, null); },
2917	<	() -> { f.thenCombineAsync(g, null); },
2918	<	() -> { f.thenCombineAsync(g, null, exec); },
2919	<	() -> { f.thenCombine(nullFuture, (x, y) -> x); },
2920	<	() -> { f.thenCombineAsync(nullFuture, (x, y) -> x); },
2921	<	() -> { f.thenCombineAsync(nullFuture, (x, y) -> x, exec); },
2922	<	() -> { f.thenCombineAsync(g, (x, y) -> x, null); },
2923	<
2924	<	() -> { f.thenAcceptBoth(g, null); },
2925	<	() -> { f.thenAcceptBothAsync(g, null); },
2926	<	() -> { f.thenAcceptBothAsync(g, null, exec); },
2927	<	() -> { f.thenAcceptBoth(nullFuture, (x, y) -> {}); },
2928	<	() -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}); },
2929	<	() -> { f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec); },
2930	<	() -> { f.thenAcceptBothAsync(g, (x, y) -> {}, null); },
2931	<
2932	<	() -> { f.runAfterBoth(g, null); },
2933	<	() -> { f.runAfterBothAsync(g, null); },
2934	<	() -> { f.runAfterBothAsync(g, null, exec); },
2935	<	() -> { f.runAfterBoth(nullFuture, () -> {}); },
2936	<	() -> { f.runAfterBothAsync(nullFuture, () -> {}); },
2937	<	() -> { f.runAfterBothAsync(nullFuture, () -> {}, exec); },
2938	<	() -> { f.runAfterBothAsync(g, () -> {}, null); },
2939	<
2940	<	() -> { f.applyToEither(g, null); },
2941	<	() -> { f.applyToEitherAsync(g, null); },
2942	<	() -> { f.applyToEitherAsync(g, null, exec); },
2943	<	() -> { f.applyToEither(nullFuture, (x) -> x); },
2944	<	() -> { f.applyToEitherAsync(nullFuture, (x) -> x); },
2945	<	() -> { f.applyToEitherAsync(nullFuture, (x) -> x, exec); },
2946	<	() -> { f.applyToEitherAsync(g, (x) -> x, null); },
2947	<
2948	<	() -> { f.acceptEither(g, null); },
2949	<	() -> { f.acceptEitherAsync(g, null); },
2950	<	() -> { f.acceptEitherAsync(g, null, exec); },
2951	<	() -> { f.acceptEither(nullFuture, (x) -> {}); },
2952	<	() -> { f.acceptEitherAsync(nullFuture, (x) -> {}); },
2953	<	() -> { f.acceptEitherAsync(nullFuture, (x) -> {}, exec); },
2954	<	() -> { f.acceptEitherAsync(g, (x) -> {}, null); },
2955	<
2956	<	() -> { f.runAfterEither(g, null); },
2957	<	() -> { f.runAfterEitherAsync(g, null); },
2958	<	() -> { f.runAfterEitherAsync(g, null, exec); },
2959	<	() -> { f.runAfterEither(nullFuture, () -> {}); },
2960	<	() -> { f.runAfterEitherAsync(nullFuture, () -> {}); },
2961	<	() -> { f.runAfterEitherAsync(nullFuture, () -> {}, exec); },
2962	<	() -> { f.runAfterEitherAsync(g, () -> {}, null); },
2963	<
2964	<	() -> { f.thenCompose(null); },
2965	<	() -> { f.thenComposeAsync(null); },
2966	<	() -> { f.thenComposeAsync(new CompletableFutureInc(), null); },
2967	<	() -> { f.thenComposeAsync(null, exec); },
2968	<
2969	<	() -> { f.exceptionally(null); },
2970	<
2971	<	() -> { f.handle(null); },
2972	<
2973	<	() -> { CompletableFuture.allOf((CompletableFuture<?>)null); },
2974	<	() -> { CompletableFuture.allOf((CompletableFuture<?>[])null); },
2975	<	() -> { CompletableFuture.allOf(f, null); },
2976	<	() -> { CompletableFuture.allOf(null, f); },
2977	<
2978	<	() -> { CompletableFuture.anyOf((CompletableFuture<?>)null); },
2979	<	() -> { CompletableFuture.anyOf((CompletableFuture<?>[])null); },
2980	<	() -> { CompletableFuture.anyOf(f, null); },
2981	<	() -> { CompletableFuture.anyOf(null, f); },
2891	>	() -> CompletableFuture.supplyAsync(null),
2892	>	() -> CompletableFuture.supplyAsync(null, exec),
2893	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
2894	>
2895	>	() -> CompletableFuture.runAsync(null),
2896	>	() -> CompletableFuture.runAsync(null, exec),
2897	>	() -> CompletableFuture.runAsync(() -> {}, null),
2898	>
2899	>	() -> f.completeExceptionally(null),
2900	>
2901	>	() -> f.thenApply(null),
2902	>	() -> f.thenApplyAsync(null),
2903	>	() -> f.thenApplyAsync((x) -> x, null),
2904	>	() -> f.thenApplyAsync(null, exec),
2905	>
2906	>	() -> f.thenAccept(null),
2907	>	() -> f.thenAcceptAsync(null),
2908	>	() -> f.thenAcceptAsync((x) -> {} , null),
2909	>	() -> f.thenAcceptAsync(null, exec),
2910	>
2911	>	() -> f.thenRun(null),
2912	>	() -> f.thenRunAsync(null),
2913	>	() -> f.thenRunAsync(() -> {} , null),
2914	>	() -> f.thenRunAsync(null, exec),
2915	>
2916	>	() -> f.thenCombine(g, null),
2917	>	() -> f.thenCombineAsync(g, null),
2918	>	() -> f.thenCombineAsync(g, null, exec),
2919	>	() -> f.thenCombine(nullFuture, (x, y) -> x),
2920	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x),
2921	>	() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec),
2922	>	() -> f.thenCombineAsync(g, (x, y) -> x, null),
2923	>
2924	>	() -> f.thenAcceptBoth(g, null),
2925	>	() -> f.thenAcceptBothAsync(g, null),
2926	>	() -> f.thenAcceptBothAsync(g, null, exec),
2927	>	() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}),
2928	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}),
2929	>	() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec),
2930	>	() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null),
2931	>
2932	>	() -> f.runAfterBoth(g, null),
2933	>	() -> f.runAfterBothAsync(g, null),
2934	>	() -> f.runAfterBothAsync(g, null, exec),
2935	>	() -> f.runAfterBoth(nullFuture, () -> {}),
2936	>	() -> f.runAfterBothAsync(nullFuture, () -> {}),
2937	>	() -> f.runAfterBothAsync(nullFuture, () -> {}, exec),
2938	>	() -> f.runAfterBothAsync(g, () -> {}, null),
2939	>
2940	>	() -> f.applyToEither(g, null),
2941	>	() -> f.applyToEitherAsync(g, null),
2942	>	() -> f.applyToEitherAsync(g, null, exec),
2943	>	() -> f.applyToEither(nullFuture, (x) -> x),
2944	>	() -> f.applyToEitherAsync(nullFuture, (x) -> x),
2945	>	() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec),
2946	>	() -> f.applyToEitherAsync(g, (x) -> x, null),
2947	>
2948	>	() -> f.acceptEither(g, null),
2949	>	() -> f.acceptEitherAsync(g, null),
2950	>	() -> f.acceptEitherAsync(g, null, exec),
2951	>	() -> f.acceptEither(nullFuture, (x) -> {}),
2952	>	() -> f.acceptEitherAsync(nullFuture, (x) -> {}),
2953	>	() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec),
2954	>	() -> f.acceptEitherAsync(g, (x) -> {}, null),
2955	>
2956	>	() -> f.runAfterEither(g, null),
2957	>	() -> f.runAfterEitherAsync(g, null),
2958	>	() -> f.runAfterEitherAsync(g, null, exec),
2959	>	() -> f.runAfterEither(nullFuture, () -> {}),
2960	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}),
2961	>	() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec),
2962	>	() -> f.runAfterEitherAsync(g, () -> {}, null),
2963	>
2964	>	() -> f.thenCompose(null),
2965	>	() -> f.thenComposeAsync(null),
2966	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
2967	>	() -> f.thenComposeAsync(null, exec),
2968	>
2969	>	() -> f.exceptionally(null),
2970	>
2971	>	() -> f.handle(null),
2972	>
2973	>	() -> CompletableFuture.allOf((CompletableFuture<?>)null),
2974	>	() -> CompletableFuture.allOf((CompletableFuture<?>[])null),
2975	>	() -> CompletableFuture.allOf(f, null),
2976	>	() -> CompletableFuture.allOf(null, f),
2977	>
2978	>	() -> CompletableFuture.anyOf((CompletableFuture<?>)null),
2979	>	() -> CompletableFuture.anyOf((CompletableFuture<?>[])null),
2980	>	() -> CompletableFuture.anyOf(f, null),
2981	>	() -> CompletableFuture.anyOf(null, f),
2982	>
2983	>	() -> f.obtrudeException(null),
2984		};
2985
2986		assertThrows(NullPointerException.class, throwingActions);
#	Line 3036 | Line 2995 | public class CompletableFutureTest exten
2995		assertSame(f, f.toCompletableFuture());
2996		}
2997
3039	–	/**
3040	–	* whenComplete action executes on normal completion, propagating
3041	–	* source result.
3042	–	*/
3043	–	public void testWhenComplete1() {
3044	–	final AtomicInteger a = new AtomicInteger();
3045	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3046	–	CompletableFuture<Integer> g =
3047	–	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3048	–	f.complete(three);
3049	–	checkCompletedNormally(f, three);
3050	–	checkCompletedNormally(g, three);
3051	–	assertEquals(a.get(), 1);
3052	–	}
3053	–
3054	–	/**
3055	–	* whenComplete action executes on exceptional completion, propagating
3056	–	* source result.
3057	–	*/
3058	–	public void testWhenComplete2() {
3059	–	final AtomicInteger a = new AtomicInteger();
3060	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3061	–	CompletableFuture<Integer> g =
3062	–	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3063	–	f.completeExceptionally(new CFException());
3064	–	assertTrue(f.isCompletedExceptionally());
3065	–	assertTrue(g.isCompletedExceptionally());
3066	–	assertEquals(a.get(), 1);
3067	–	}
3068	–
3069	–	/**
3070	–	* If a whenComplete action throws an exception when triggered by
3071	–	* a normal completion, it completes exceptionally
3072	–	*/
3073	–	public void testWhenComplete3() {
3074	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3075	–	CompletableFuture<Integer> g =
3076	–	f.whenComplete((Integer x, Throwable t) ->
3077	–	{ throw new CFException(); } );
3078	–	f.complete(three);
3079	–	checkCompletedNormally(f, three);
3080	–	assertTrue(g.isCompletedExceptionally());
3081	–	checkCompletedWithWrappedCFException(g);
3082	–	}
3083	–
3084	–	/**
3085	–	* whenCompleteAsync action executes on normal completion, propagating
3086	–	* source result.
3087	–	*/
3088	–	public void testWhenCompleteAsync1() {
3089	–	final AtomicInteger a = new AtomicInteger();
3090	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3091	–	CompletableFuture<Integer> g =
3092	–	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3093	–	f.complete(three);
3094	–	checkCompletedNormally(f, three);
3095	–	checkCompletedNormally(g, three);
3096	–	assertEquals(a.get(), 1);
3097	–	}
3098	–
3099	–	/**
3100	–	* whenCompleteAsync action executes on exceptional completion, propagating
3101	–	* source result.
3102	–	*/
3103	–	public void testWhenCompleteAsync2() {
3104	–	final AtomicInteger a = new AtomicInteger();
3105	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3106	–	CompletableFuture<Integer> g =
3107	–	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3108	–	f.completeExceptionally(new CFException());
3109	–	checkCompletedWithWrappedCFException(f);
3110	–	checkCompletedWithWrappedCFException(g);
3111	–	}
3112	–
3113	–	/**
3114	–	* If a whenCompleteAsync action throws an exception when
3115	–	* triggered by a normal completion, it completes exceptionally
3116	–	*/
3117	–	public void testWhenCompleteAsync3() {
3118	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3119	–	CompletableFuture<Integer> g =
3120	–	f.whenCompleteAsync((Integer x, Throwable t) ->
3121	–	{ throw new CFException(); } );
3122	–	f.complete(three);
3123	–	checkCompletedNormally(f, three);
3124	–	checkCompletedWithWrappedCFException(g);
3125	–	}
3126	–
3127	–	/**
3128	–	* whenCompleteAsync action executes on normal completion, propagating
3129	–	* source result.
3130	–	*/
3131	–	public void testWhenCompleteAsync1e() {
3132	–	final AtomicInteger a = new AtomicInteger();
3133	–	ThreadExecutor exec = new ThreadExecutor();
3134	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3135	–	CompletableFuture<Integer> g =
3136	–	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3137	–	exec);
3138	–	f.complete(three);
3139	–	checkCompletedNormally(f, three);
3140	–	checkCompletedNormally(g, three);
3141	–	assertEquals(a.get(), 1);
3142	–	}
3143	–
3144	–	/**
3145	–	* whenCompleteAsync action executes on exceptional completion, propagating
3146	–	* source result.
3147	–	*/
3148	–	public void testWhenCompleteAsync2e() {
3149	–	final AtomicInteger a = new AtomicInteger();
3150	–	ThreadExecutor exec = new ThreadExecutor();
3151	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3152	–	CompletableFuture<Integer> g =
3153	–	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3154	–	exec);
3155	–	f.completeExceptionally(new CFException());
3156	–	checkCompletedWithWrappedCFException(f);
3157	–	checkCompletedWithWrappedCFException(g);
3158	–	}
3159	–
3160	–	/**
3161	–	* If a whenCompleteAsync action throws an exception when triggered
3162	–	* by a normal completion, it completes exceptionally
3163	–	*/
3164	–	public void testWhenCompleteAsync3e() {
3165	–	ThreadExecutor exec = new ThreadExecutor();
3166	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3167	–	CompletableFuture<Integer> g =
3168	–	f.whenCompleteAsync((Integer x, Throwable t) ->
3169	–	{ throw new CFException(); },
3170	–	exec);
3171	–	f.complete(three);
3172	–	checkCompletedNormally(f, three);
3173	–	checkCompletedWithWrappedCFException(g);
3174	–	}
3175	–
3176	–	/**
3177	–	* handleAsync action completes normally with function value on
3178	–	* either normal or exceptional completion of source
3179	–	*/
3180	–	public void testHandleAsync() {
3181	–	CompletableFuture<Integer> f, g;
3182	–	IntegerHandler r;
3183	–
3184	–	f = new CompletableFuture<>();
3185	–	g = f.handleAsync(r = new IntegerHandler());
3186	–	assertFalse(r.ran);
3187	–	f.completeExceptionally(new CFException());
3188	–	checkCompletedWithWrappedCFException(f);
3189	–	checkCompletedNormally(g, three);
3190	–	assertTrue(r.ran);
3191	–
3192	–	f = new CompletableFuture<>();
3193	–	g = f.handleAsync(r = new IntegerHandler());
3194	–	assertFalse(r.ran);
3195	–	f.completeExceptionally(new CFException());
3196	–	checkCompletedWithWrappedCFException(f);
3197	–	checkCompletedNormally(g, three);
3198	–	assertTrue(r.ran);
3199	–
3200	–	f = new CompletableFuture<>();
3201	–	g = f.handleAsync(r = new IntegerHandler());
3202	–	assertFalse(r.ran);
3203	–	f.complete(one);
3204	–	checkCompletedNormally(f, one);
3205	–	checkCompletedNormally(g, two);
3206	–	assertTrue(r.ran);
3207	–
3208	–	f = new CompletableFuture<>();
3209	–	g = f.handleAsync(r = new IntegerHandler());
3210	–	assertFalse(r.ran);
3211	–	f.complete(one);
3212	–	checkCompletedNormally(f, one);
3213	–	checkCompletedNormally(g, two);
3214	–	assertTrue(r.ran);
3215	–	}
3216	–
3217	–	/**
3218	–	* handleAsync action with Executor completes normally with
3219	–	* function value on either normal or exceptional completion of
3220	–	* source
3221	–	*/
3222	–	public void testHandleAsync2() {
3223	–	CompletableFuture<Integer> f, g;
3224	–	ThreadExecutor exec = new ThreadExecutor();
3225	–	IntegerHandler r;
3226	–
3227	–	f = new CompletableFuture<>();
3228	–	g = f.handleAsync(r = new IntegerHandler(), exec);
3229	–	assertFalse(r.ran);
3230	–	f.completeExceptionally(new CFException());
3231	–	checkCompletedWithWrappedCFException(f);
3232	–	checkCompletedNormally(g, three);
3233	–	assertTrue(r.ran);
3234	–
3235	–	f = new CompletableFuture<>();
3236	–	g = f.handleAsync(r = new IntegerHandler(), exec);
3237	–	assertFalse(r.ran);
3238	–	f.completeExceptionally(new CFException());
3239	–	checkCompletedWithWrappedCFException(f);
3240	–	checkCompletedNormally(g, three);
3241	–	assertTrue(r.ran);
3242	–
3243	–	f = new CompletableFuture<>();
3244	–	g = f.handleAsync(r = new IntegerHandler(), exec);
3245	–	assertFalse(r.ran);
3246	–	f.complete(one);
3247	–	checkCompletedNormally(f, one);
3248	–	checkCompletedNormally(g, two);
3249	–	assertTrue(r.ran);
3250	–
3251	–	f = new CompletableFuture<>();
3252	–	g = f.handleAsync(r = new IntegerHandler(), exec);
3253	–	assertFalse(r.ran);
3254	–	f.complete(one);
3255	–	checkCompletedNormally(f, one);
3256	–	checkCompletedNormally(g, two);
3257	–	assertTrue(r.ran);
3258	–	}
3259	–
2998		}

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