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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.67 by jsr166, Fri Jun 6 19:25:41 2014 UTC vs.
Revision 1.161 by jsr166, Tue Jun 28 14:49:48 2016 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31		import java.util.concurrent.ForkJoinPool;
32		import java.util.concurrent.ForkJoinTask;
33	+	import java.util.concurrent.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
35	+	import java.util.concurrent.TimeUnit;
36		import java.util.concurrent.atomic.AtomicInteger;
37	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
25	<	import static java.util.concurrent.TimeUnit.SECONDS;
26	<	import java.util.*;
27	<	import java.util.function.Supplier;
28	<	import java.util.function.Consumer;
37	>	import java.util.concurrent.atomic.AtomicReference;
38		import java.util.function.BiConsumer;
30	–	import java.util.function.Function;
39		import java.util.function.BiFunction;
40	+	import java.util.function.Consumer;
41	+	import java.util.function.Function;
42	+	import java.util.function.Predicate;
43	+	import java.util.function.Supplier;
44	+
45	+	import junit.framework.AssertionFailedError;
46	+	import junit.framework.Test;
47	+	import junit.framework.TestSuite;
48
49		public class CompletableFutureTest extends JSR166TestCase {
50
51		public static void main(String[] args) {
52	<	junit.textui.TestRunner.run(suite());
52	>	main(suite(), args);
53		}
54		public static Test suite() {
55		return new TestSuite(CompletableFutureTest.class);
#	Line 44 | Line 60 | public class CompletableFutureTest exten
60		void checkIncomplete(CompletableFuture<?> f) {
61		assertFalse(f.isDone());
62		assertFalse(f.isCancelled());
63	<	assertTrue(f.toString().contains("[Not completed]"));
63	>	assertTrue(f.toString().contains("Not completed"));
64		try {
65		assertNull(f.getNow(null));
66		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 57 | Line 73 | public class CompletableFutureTest exten
73		}
74
75		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
76	<	try {
77	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
62	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
76	>	checkTimedGet(f, value);
77	>
78		try {
79		assertEquals(value, f.join());
80		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 75 | Line 90 | public class CompletableFutureTest exten
90		assertTrue(f.toString().contains("[Completed normally]"));
91		}
92
93	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
94	<	try {
95	<	f.get(LONG_DELAY_MS, MILLISECONDS);
96	<	shouldThrow();
97	<	} catch (ExecutionException success) {
98	<	assertTrue(success.getCause() instanceof CFException);
99	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
100	<	try {
101	<	f.join();
102	<	shouldThrow();
103	<	} catch (CompletionException success) {
104	<	assertTrue(success.getCause() instanceof CFException);
105	<	}
106	<	try {
107	<	f.getNow(null);
108	<	shouldThrow();
109	<	} catch (CompletionException success) {
95	<	assertTrue(success.getCause() instanceof CFException);
93	>	/**
94	>	* Returns the "raw" internal exceptional completion of f,
95	>	* without any additional wrapping with CompletionException.
96	>	*/
97	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
98	>	// handle (and whenComplete) can distinguish between "direct"
99	>	// and "wrapped" exceptional completion
100	>	return f.handle((U u, Throwable t) -> t).join();
101	>	}
102	>
103	>	void checkCompletedExceptionally(CompletableFuture<?> f,
104	>	boolean wrapped,
105	>	Consumer<Throwable> checker) {
106	>	Throwable cause = exceptionalCompletion(f);
107	>	if (wrapped) {
108	>	assertTrue(cause instanceof CompletionException);
109	>	cause = cause.getCause();
110		}
111	<	try {
98	<	f.get();
99	<	shouldThrow();
100	<	} catch (ExecutionException success) {
101	<	assertTrue(success.getCause() instanceof CFException);
102	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
103	<	assertTrue(f.isDone());
104	<	assertFalse(f.isCancelled());
105	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
106	<	}
111	>	checker.accept(cause);
112
113	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
109	<	CFException ex) {
113	>	long startTime = System.nanoTime();
114		try {
115		f.get(LONG_DELAY_MS, MILLISECONDS);
116		shouldThrow();
117		} catch (ExecutionException success) {
118	<	assertSame(ex, success.getCause());
118	>	assertSame(cause, success.getCause());
119		} catch (Throwable fail) { threadUnexpectedException(fail); }
120	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
121	+
122		try {
123		f.join();
124		shouldThrow();
125		} catch (CompletionException success) {
126	<	assertSame(ex, success.getCause());
127	<	}
126	>	assertSame(cause, success.getCause());
127	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
128	>
129		try {
130		f.getNow(null);
131		shouldThrow();
132		} catch (CompletionException success) {
133	<	assertSame(ex, success.getCause());
134	<	}
133	>	assertSame(cause, success.getCause());
134	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
135	>
136		try {
137		f.get();
138		shouldThrow();
139		} catch (ExecutionException success) {
140	<	assertSame(ex, success.getCause());
140	>	assertSame(cause, success.getCause());
141		} catch (Throwable fail) { threadUnexpectedException(fail); }
142	<	assertTrue(f.isDone());
142	>
143		assertFalse(f.isCancelled());
144	+	assertTrue(f.isDone());
145	+	assertTrue(f.isCompletedExceptionally());
146		assertTrue(f.toString().contains("[Completed exceptionally]"));
147		}
148
149	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
150	+	checkCompletedExceptionally(f, true,
151	+	(t) -> assertTrue(t instanceof CFException));
152	+	}
153	+
154	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
155	+	checkCompletedExceptionally(f, true,
156	+	(t) -> assertTrue(t instanceof CancellationException));
157	+	}
158	+
159	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
160	+	checkCompletedExceptionally(f, false,
161	+	(t) -> assertTrue(t instanceof TimeoutException));
162	+	}
163	+
164	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
165	+	Throwable ex) {
166	+	checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex));
167	+	}
168	+
169	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
170	+	checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex));
171	+	}
172	+
173		void checkCancelled(CompletableFuture<?> f) {
174	+	long startTime = System.nanoTime();
175		try {
176		f.get(LONG_DELAY_MS, MILLISECONDS);
177		shouldThrow();
178		} catch (CancellationException success) {
179		} catch (Throwable fail) { threadUnexpectedException(fail); }
180	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
181	+
182		try {
183		f.join();
184		shouldThrow();
#	Line 155 | Line 192 | public class CompletableFutureTest exten
192		shouldThrow();
193		} catch (CancellationException success) {
194		} catch (Throwable fail) { threadUnexpectedException(fail); }
158	–	assertTrue(f.isDone());
159	–	assertTrue(f.isCompletedExceptionally());
160	–	assertTrue(f.isCancelled());
161	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
162	–	}
195
196	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
197	<	try {
166	<	f.get(LONG_DELAY_MS, MILLISECONDS);
167	<	shouldThrow();
168	<	} catch (ExecutionException success) {
169	<	assertTrue(success.getCause() instanceof CancellationException);
170	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
171	<	try {
172	<	f.join();
173	<	shouldThrow();
174	<	} catch (CompletionException success) {
175	<	assertTrue(success.getCause() instanceof CancellationException);
176	<	}
177	<	try {
178	<	f.getNow(null);
179	<	shouldThrow();
180	<	} catch (CompletionException success) {
181	<	assertTrue(success.getCause() instanceof CancellationException);
182	<	}
183	<	try {
184	<	f.get();
185	<	shouldThrow();
186	<	} catch (ExecutionException success) {
187	<	assertTrue(success.getCause() instanceof CancellationException);
188	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
196	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
197	>
198		assertTrue(f.isDone());
190	–	assertFalse(f.isCancelled());
199		assertTrue(f.isCompletedExceptionally());
200	+	assertTrue(f.isCancelled());
201		assertTrue(f.toString().contains("[Completed exceptionally]"));
202		}
203
#	Line 206 | Line 215 | public class CompletableFutureTest exten
215		* isCancelled, join, get, and getNow
216		*/
217		public void testComplete() {
218	+	for (Integer v1 : new Integer[] { 1, null })
219	+	{
220		CompletableFuture<Integer> f = new CompletableFuture<>();
221		checkIncomplete(f);
222	<	f.complete(one);
223	<	checkCompletedNormally(f, one);
224	<	}
222	>	assertTrue(f.complete(v1));
223	>	assertFalse(f.complete(v1));
224	>	checkCompletedNormally(f, v1);
225	>	}}
226
227		/**
228		* completeExceptionally completes exceptionally, as indicated by
#	Line 218 | Line 230 | public class CompletableFutureTest exten
230		*/
231		public void testCompleteExceptionally() {
232		CompletableFuture<Integer> f = new CompletableFuture<>();
233	+	CFException ex = new CFException();
234		checkIncomplete(f);
235	<	f.completeExceptionally(new CFException());
236	<	checkCompletedWithWrappedCFException(f);
235	>	f.completeExceptionally(ex);
236	>	checkCompletedExceptionally(f, ex);
237		}
238
239		/**
#	Line 228 | Line 241 | public class CompletableFutureTest exten
241		* methods isDone, isCancelled, join, get, and getNow
242		*/
243		public void testCancel() {
244	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
245	+	{
246		CompletableFuture<Integer> f = new CompletableFuture<>();
247		checkIncomplete(f);
248	<	assertTrue(f.cancel(true));
248	>	assertTrue(f.cancel(mayInterruptIfRunning));
249	>	assertTrue(f.cancel(mayInterruptIfRunning));
250	>	assertTrue(f.cancel(!mayInterruptIfRunning));
251		checkCancelled(f);
252	<	}
252	>	}}
253
254		/**
255		* obtrudeValue forces completion with given value
#	Line 240 | Line 257 | public class CompletableFutureTest exten
257		public void testObtrudeValue() {
258		CompletableFuture<Integer> f = new CompletableFuture<>();
259		checkIncomplete(f);
260	<	f.complete(one);
260	>	assertTrue(f.complete(one));
261		checkCompletedNormally(f, one);
262		f.obtrudeValue(three);
263		checkCompletedNormally(f, three);
#	Line 261 | Line 278 | public class CompletableFutureTest exten
278		* obtrudeException forces completion with given exception
279		*/
280		public void testObtrudeException() {
281	<	CompletableFuture<Integer> f = new CompletableFuture<>();
282	<	checkIncomplete(f);
283	<	f.complete(one);
284	<	checkCompletedNormally(f, one);
285	<	f.obtrudeException(new CFException());
269	<	checkCompletedWithWrappedCFException(f);
281	>	for (Integer v1 : new Integer[] { 1, null })
282	>	{
283	>	CFException ex;
284	>	CompletableFuture<Integer> f;
285	>
286		f = new CompletableFuture<>();
287	<	f.obtrudeException(new CFException());
288	<	checkCompletedWithWrappedCFException(f);
287	>	assertTrue(f.complete(v1));
288	>	for (int i = 0; i < 2; i++) {
289	>	f.obtrudeException(ex = new CFException());
290	>	checkCompletedExceptionally(f, ex);
291	>	}
292	>
293	>	f = new CompletableFuture<>();
294	>	for (int i = 0; i < 2; i++) {
295	>	f.obtrudeException(ex = new CFException());
296	>	checkCompletedExceptionally(f, ex);
297	>	}
298	>
299		f = new CompletableFuture<>();
300	+	f.completeExceptionally(ex = new CFException());
301	+	f.obtrudeValue(v1);
302	+	checkCompletedNormally(f, v1);
303	+	f.obtrudeException(ex = new CFException());
304	+	checkCompletedExceptionally(f, ex);
305		f.completeExceptionally(new CFException());
306	<	f.obtrudeValue(four);
307	<	checkCompletedNormally(f, four);
308	<	f.obtrudeException(new CFException());
309	<	checkCompletedWithWrappedCFException(f);
279	<	}
306	>	checkCompletedExceptionally(f, ex);
307	>	assertFalse(f.complete(v1));
308	>	checkCompletedExceptionally(f, ex);
309	>	}}
310
311		/**
312		* getNumberOfDependents returns number of dependent tasks
313		*/
314		public void testGetNumberOfDependents() {
315	+	for (ExecutionMode m : ExecutionMode.values())
316	+	for (Integer v1 : new Integer[] { 1, null })
317	+	{
318		CompletableFuture<Integer> f = new CompletableFuture<>();
319		assertEquals(0, f.getNumberOfDependents());
320	<	CompletableFuture g = f.thenRun(new Noop(ExecutionMode.DEFAULT));
320	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
321		assertEquals(1, f.getNumberOfDependents());
322		assertEquals(0, g.getNumberOfDependents());
323	<	CompletableFuture h = f.thenRun(new Noop(ExecutionMode.DEFAULT));
323	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
324		assertEquals(2, f.getNumberOfDependents());
325	<	f.complete(1);
325	>	assertEquals(0, h.getNumberOfDependents());
326	>	assertTrue(f.complete(v1));
327		checkCompletedNormally(g, null);
328	+	checkCompletedNormally(h, null);
329		assertEquals(0, f.getNumberOfDependents());
330		assertEquals(0, g.getNumberOfDependents());
331	<	}
331	>	assertEquals(0, h.getNumberOfDependents());
332	>	}}
333
334		/**
335		* toString indicates current completion state
#	Line 304 | Line 340 | public class CompletableFutureTest exten
340		f = new CompletableFuture<String>();
341		assertTrue(f.toString().contains("[Not completed]"));
342
343	<	f.complete("foo");
343	>	assertTrue(f.complete("foo"));
344		assertTrue(f.toString().contains("[Completed normally]"));
345
346		f = new CompletableFuture<String>();
347	<	f.completeExceptionally(new IndexOutOfBoundsException());
347	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
348		assertTrue(f.toString().contains("[Completed exceptionally]"));
349	+
350	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
351	+	f = new CompletableFuture<String>();
352	+	assertTrue(f.cancel(mayInterruptIfRunning));
353	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
354	+	}
355		}
356
357		/**
#	Line 418 | Line 460 | public class CompletableFutureTest exten
460		class FailingSupplier extends CheckedAction
461		implements Supplier<Integer>
462		{
463	<	FailingSupplier(ExecutionMode m) { super(m); }
463	>	final CFException ex;
464	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
465		public Integer get() {
466		invoked();
467	<	throw new CFException();
467	>	throw ex;
468		}
469		}
470
471		class FailingConsumer extends CheckedIntegerAction
472		implements Consumer<Integer>
473		{
474	<	FailingConsumer(ExecutionMode m) { super(m); }
474	>	final CFException ex;
475	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
476		public void accept(Integer x) {
477		invoked();
478		value = x;
479	<	throw new CFException();
479	>	throw ex;
480		}
481		}
482
483		class FailingBiConsumer extends CheckedIntegerAction
484		implements BiConsumer<Integer, Integer>
485		{
486	<	FailingBiConsumer(ExecutionMode m) { super(m); }
486	>	final CFException ex;
487	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
488		public void accept(Integer x, Integer y) {
489		invoked();
490		value = subtract(x, y);
491	<	throw new CFException();
491	>	throw ex;
492		}
493		}
494
495		class FailingFunction extends CheckedIntegerAction
496		implements Function<Integer, Integer>
497		{
498	<	FailingFunction(ExecutionMode m) { super(m); }
498	>	final CFException ex;
499	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
500		public Integer apply(Integer x) {
501		invoked();
502		value = x;
503	<	throw new CFException();
503	>	throw ex;
504		}
505		}
506
507		class FailingBiFunction extends CheckedIntegerAction
508		implements BiFunction<Integer, Integer, Integer>
509		{
510	<	FailingBiFunction(ExecutionMode m) { super(m); }
510	>	final CFException ex;
511	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
512		public Integer apply(Integer x, Integer y) {
513		invoked();
514		value = subtract(x, y);
515	<	throw new CFException();
515	>	throw ex;
516		}
517		}
518
519		class FailingRunnable extends CheckedAction implements Runnable {
520	<	FailingRunnable(ExecutionMode m) { super(m); }
520	>	final CFException ex;
521	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
522		public void run() {
523		invoked();
524	<	throw new CFException();
524	>	throw ex;
525		}
526		}
527
480	–
528		class CompletableFutureInc extends CheckedIntegerAction
529		implements Function<Integer, CompletableFuture<Integer>>
530		{
#	Line 486 | Line 533 | public class CompletableFutureTest exten
533		invoked();
534		value = x;
535		CompletableFuture<Integer> f = new CompletableFuture<>();
536	<	f.complete(inc(x));
536	>	assertTrue(f.complete(inc(x)));
537		return f;
538		}
539		}
#	Line 494 | Line 541 | public class CompletableFutureTest exten
541		class FailingCompletableFutureFunction extends CheckedIntegerAction
542		implements Function<Integer, CompletableFuture<Integer>>
543		{
544	<	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
544	>	final CFException ex;
545	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
546		public CompletableFuture<Integer> apply(Integer x) {
547		invoked();
548		value = x;
549	<	throw new CFException();
549	>	throw ex;
550	>	}
551	>	}
552	>
553	>	static class CountingRejectingExecutor implements Executor {
554	>	final RejectedExecutionException ex = new RejectedExecutionException();
555	>	final AtomicInteger count = new AtomicInteger(0);
556	>	public void execute(Runnable r) {
557	>	count.getAndIncrement();
558	>	throw ex;
559		}
560		}
561
#	Line 516 | Line 573 | public class CompletableFutureTest exten
573		}
574		}
575
576	+	static final boolean defaultExecutorIsCommonPool
577	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
578	+
579		/**
580		* Permits the testing of parallel code for the 3 different
581		* execution modes without copy/pasting all the test methods.
582		*/
583		enum ExecutionMode {
584	<	DEFAULT {
584	>	SYNC {
585		public void checkExecutionMode() {
586		assertFalse(ThreadExecutor.startedCurrentThread());
587		assertNull(ForkJoinTask.getPool());
#	Line 597 | Line 657 | public class CompletableFutureTest exten
657
658		ASYNC {
659		public void checkExecutionMode() {
660	<	assertSame(ForkJoinPool.commonPool(),
661	<	ForkJoinTask.getPool());
660	>	assertEquals(defaultExecutorIsCommonPool,
661	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
662		}
663		public CompletableFuture<Void> runAsync(Runnable a) {
664		return CompletableFuture.runAsync(a);
#	Line 794 | Line 854 | public class CompletableFutureTest exten
854		{
855		final AtomicInteger a = new AtomicInteger(0);
856		final CompletableFuture<Integer> f = new CompletableFuture<>();
857	<	if (!createIncomplete) f.complete(v1);
857	>	if (!createIncomplete) assertTrue(f.complete(v1));
858		final CompletableFuture<Integer> g = f.exceptionally
859		((Throwable t) -> {
800	–	// Should not be called
860		a.getAndIncrement();
861	<	throw new AssertionError();
861	>	threadFail("should not be called");
862	>	return null;            // unreached
863		});
864	<	if (createIncomplete) f.complete(v1);
864	>	if (createIncomplete) assertTrue(f.complete(v1));
865
866		checkCompletedNormally(g, v1);
867		checkCompletedNormally(f, v1);
868		assertEquals(0, a.get());
869		}}
870
811	–
871		/**
872		* exceptionally action completes with function value on source
873		* exception
#	Line 823 | Line 882 | public class CompletableFutureTest exten
882		if (!createIncomplete) f.completeExceptionally(ex);
883		final CompletableFuture<Integer> g = f.exceptionally
884		((Throwable t) -> {
885	<	ExecutionMode.DEFAULT.checkExecutionMode();
885	>	ExecutionMode.SYNC.checkExecutionMode();
886		threadAssertSame(t, ex);
887		a.getAndIncrement();
888		return v1;
#	Line 834 | Line 893 | public class CompletableFutureTest exten
893		assertEquals(1, a.get());
894		}}
895
896	+	/**
897	+	* If an "exceptionally action" throws an exception, it completes
898	+	* exceptionally with that exception
899	+	*/
900		public void testExceptionally_exceptionalCompletionActionFailed() {
901		for (boolean createIncomplete : new boolean[] { true, false })
839	–	for (Integer v1 : new Integer[] { 1, null })
902		{
903		final AtomicInteger a = new AtomicInteger(0);
904		final CFException ex1 = new CFException();
#	Line 845 | Line 907 | public class CompletableFutureTest exten
907		if (!createIncomplete) f.completeExceptionally(ex1);
908		final CompletableFuture<Integer> g = f.exceptionally
909		((Throwable t) -> {
910	<	ExecutionMode.DEFAULT.checkExecutionMode();
910	>	ExecutionMode.SYNC.checkExecutionMode();
911		threadAssertSame(t, ex1);
912		a.getAndIncrement();
913		throw ex2;
914		});
915		if (createIncomplete) f.completeExceptionally(ex1);
916
917	<	checkCompletedWithWrappedCFException(g, ex2);
917	>	checkCompletedWithWrappedException(g, ex2);
918	>	checkCompletedExceptionally(f, ex1);
919	>	assertEquals(1, a.get());
920	>	}}
921	>
922	>	/**
923	>	* whenComplete action executes on normal completion, propagating
924	>	* source result.
925	>	*/
926	>	public void testWhenComplete_normalCompletion() {
927	>	for (ExecutionMode m : ExecutionMode.values())
928	>	for (boolean createIncomplete : new boolean[] { true, false })
929	>	for (Integer v1 : new Integer[] { 1, null })
930	>	{
931	>	final AtomicInteger a = new AtomicInteger(0);
932	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
933	>	if (!createIncomplete) assertTrue(f.complete(v1));
934	>	final CompletableFuture<Integer> g = m.whenComplete
935	>	(f,
936	>	(Integer result, Throwable t) -> {
937	>	m.checkExecutionMode();
938	>	threadAssertSame(result, v1);
939	>	threadAssertNull(t);
940	>	a.getAndIncrement();
941	>	});
942	>	if (createIncomplete) assertTrue(f.complete(v1));
943	>
944	>	checkCompletedNormally(g, v1);
945	>	checkCompletedNormally(f, v1);
946	>	assertEquals(1, a.get());
947	>	}}
948	>
949	>	/**
950	>	* whenComplete action executes on exceptional completion, propagating
951	>	* source result.
952	>	*/
953	>	public void testWhenComplete_exceptionalCompletion() {
954	>	for (ExecutionMode m : ExecutionMode.values())
955	>	for (boolean createIncomplete : new boolean[] { true, false })
956	>	{
957	>	final AtomicInteger a = new AtomicInteger(0);
958	>	final CFException ex = new CFException();
959	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
960	>	if (!createIncomplete) f.completeExceptionally(ex);
961	>	final CompletableFuture<Integer> g = m.whenComplete
962	>	(f,
963	>	(Integer result, Throwable t) -> {
964	>	m.checkExecutionMode();
965	>	threadAssertNull(result);
966	>	threadAssertSame(t, ex);
967	>	a.getAndIncrement();
968	>	});
969	>	if (createIncomplete) f.completeExceptionally(ex);
970	>
971	>	checkCompletedWithWrappedException(g, ex);
972	>	checkCompletedExceptionally(f, ex);
973	>	assertEquals(1, a.get());
974	>	}}
975	>
976	>	/**
977	>	* whenComplete action executes on cancelled source, propagating
978	>	* CancellationException.
979	>	*/
980	>	public void testWhenComplete_sourceCancelled() {
981	>	for (ExecutionMode m : ExecutionMode.values())
982	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
983	>	for (boolean createIncomplete : new boolean[] { true, false })
984	>	{
985	>	final AtomicInteger a = new AtomicInteger(0);
986	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
987	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
988	>	final CompletableFuture<Integer> g = m.whenComplete
989	>	(f,
990	>	(Integer result, Throwable t) -> {
991	>	m.checkExecutionMode();
992	>	threadAssertNull(result);
993	>	threadAssertTrue(t instanceof CancellationException);
994	>	a.getAndIncrement();
995	>	});
996	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
997	>
998	>	checkCompletedWithWrappedCancellationException(g);
999	>	checkCancelled(f);
1000	>	assertEquals(1, a.get());
1001	>	}}
1002	>
1003	>	/**
1004	>	* If a whenComplete action throws an exception when triggered by
1005	>	* a normal completion, it completes exceptionally
1006	>	*/
1007	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1008	>	for (boolean createIncomplete : new boolean[] { true, false })
1009	>	for (ExecutionMode m : ExecutionMode.values())
1010	>	for (Integer v1 : new Integer[] { 1, null })
1011	>	{
1012	>	final AtomicInteger a = new AtomicInteger(0);
1013	>	final CFException ex = new CFException();
1014	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1015	>	if (!createIncomplete) assertTrue(f.complete(v1));
1016	>	final CompletableFuture<Integer> g = m.whenComplete
1017	>	(f,
1018	>	(Integer result, Throwable t) -> {
1019	>	m.checkExecutionMode();
1020	>	threadAssertSame(result, v1);
1021	>	threadAssertNull(t);
1022	>	a.getAndIncrement();
1023	>	throw ex;
1024	>	});
1025	>	if (createIncomplete) assertTrue(f.complete(v1));
1026	>
1027	>	checkCompletedWithWrappedException(g, ex);
1028	>	checkCompletedNormally(f, v1);
1029	>	assertEquals(1, a.get());
1030	>	}}
1031	>
1032	>	/**
1033	>	* If a whenComplete action throws an exception when triggered by
1034	>	* a source completion that also throws an exception, the source
1035	>	* exception takes precedence (unlike handle)
1036	>	*/
1037	>	public void testWhenComplete_sourceFailedActionFailed() {
1038	>	for (boolean createIncomplete : new boolean[] { true, false })
1039	>	for (ExecutionMode m : ExecutionMode.values())
1040	>	{
1041	>	final AtomicInteger a = new AtomicInteger(0);
1042	>	final CFException ex1 = new CFException();
1043	>	final CFException ex2 = new CFException();
1044	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1045	>
1046	>	if (!createIncomplete) f.completeExceptionally(ex1);
1047	>	final CompletableFuture<Integer> g = m.whenComplete
1048	>	(f,
1049	>	(Integer result, Throwable t) -> {
1050	>	m.checkExecutionMode();
1051	>	threadAssertSame(t, ex1);
1052	>	threadAssertNull(result);
1053	>	a.getAndIncrement();
1054	>	throw ex2;
1055	>	});
1056	>	if (createIncomplete) f.completeExceptionally(ex1);
1057	>
1058	>	checkCompletedWithWrappedException(g, ex1);
1059	>	checkCompletedExceptionally(f, ex1);
1060	>	if (testImplementationDetails) {
1061	>	assertEquals(1, ex1.getSuppressed().length);
1062	>	assertSame(ex2, ex1.getSuppressed()[0]);
1063	>	}
1064		assertEquals(1, a.get());
1065		}}
1066
#	Line 867 | Line 1075 | public class CompletableFutureTest exten
1075		{
1076		final CompletableFuture<Integer> f = new CompletableFuture<>();
1077		final AtomicInteger a = new AtomicInteger(0);
1078	<	if (!createIncomplete) f.complete(v1);
1078	>	if (!createIncomplete) assertTrue(f.complete(v1));
1079		final CompletableFuture<Integer> g = m.handle
1080		(f,
1081	<	(Integer x, Throwable t) -> {
1081	>	(Integer result, Throwable t) -> {
1082		m.checkExecutionMode();
1083	<	threadAssertSame(x, v1);
1083	>	threadAssertSame(result, v1);
1084		threadAssertNull(t);
1085		a.getAndIncrement();
1086		return inc(v1);
1087		});
1088	<	if (createIncomplete) f.complete(v1);
1088	>	if (createIncomplete) assertTrue(f.complete(v1));
1089
1090		checkCompletedNormally(g, inc(v1));
1091		checkCompletedNormally(f, v1);
#	Line 899 | Line 1107 | public class CompletableFutureTest exten
1107		if (!createIncomplete) f.completeExceptionally(ex);
1108		final CompletableFuture<Integer> g = m.handle
1109		(f,
1110	<	(Integer x, Throwable t) -> {
1110	>	(Integer result, Throwable t) -> {
1111		m.checkExecutionMode();
1112	<	threadAssertNull(x);
1112	>	threadAssertNull(result);
1113		threadAssertSame(t, ex);
1114		a.getAndIncrement();
1115		return v1;
#	Line 909 | Line 1117 | public class CompletableFutureTest exten
1117		if (createIncomplete) f.completeExceptionally(ex);
1118
1119		checkCompletedNormally(g, v1);
1120	<	checkCompletedWithWrappedCFException(f, ex);
1120	>	checkCompletedExceptionally(f, ex);
1121		assertEquals(1, a.get());
1122		}}
1123
#	Line 928 | Line 1136 | public class CompletableFutureTest exten
1136		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1137		final CompletableFuture<Integer> g = m.handle
1138		(f,
1139	<	(Integer x, Throwable t) -> {
1139	>	(Integer result, Throwable t) -> {
1140		m.checkExecutionMode();
1141	<	threadAssertNull(x);
1141	>	threadAssertNull(result);
1142		threadAssertTrue(t instanceof CancellationException);
1143		a.getAndIncrement();
1144		return v1;
#	Line 943 | Line 1151 | public class CompletableFutureTest exten
1151		}}
1152
1153		/**
1154	<	* handle result completes exceptionally if action does
1154	>	* If a "handle action" throws an exception when triggered by
1155	>	* a normal completion, it completes exceptionally
1156		*/
1157	<	public void testHandle_sourceFailedActionFailed() {
1157	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1158		for (ExecutionMode m : ExecutionMode.values())
1159		for (boolean createIncomplete : new boolean[] { true, false })
1160	+	for (Integer v1 : new Integer[] { 1, null })
1161		{
1162		final CompletableFuture<Integer> f = new CompletableFuture<>();
1163		final AtomicInteger a = new AtomicInteger(0);
1164	<	final CFException ex1 = new CFException();
1165	<	final CFException ex2 = new CFException();
956	<	if (!createIncomplete) f.completeExceptionally(ex1);
1164	>	final CFException ex = new CFException();
1165	>	if (!createIncomplete) assertTrue(f.complete(v1));
1166		final CompletableFuture<Integer> g = m.handle
1167		(f,
1168	<	(Integer x, Throwable t) -> {
1168	>	(Integer result, Throwable t) -> {
1169		m.checkExecutionMode();
1170	<	threadAssertNull(x);
1171	<	threadAssertSame(ex1, t);
1170	>	threadAssertSame(result, v1);
1171	>	threadAssertNull(t);
1172		a.getAndIncrement();
1173	<	throw ex2;
1173	>	throw ex;
1174		});
1175	<	if (createIncomplete) f.completeExceptionally(ex1);
1175	>	if (createIncomplete) assertTrue(f.complete(v1));
1176
1177	<	checkCompletedWithWrappedCFException(g, ex2);
1178	<	checkCompletedWithWrappedCFException(f, ex1);
1177	>	checkCompletedWithWrappedException(g, ex);
1178	>	checkCompletedNormally(f, v1);
1179		assertEquals(1, a.get());
1180		}}
1181
1182	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1183	<	for (ExecutionMode m : ExecutionMode.values())
1182	>	/**
1183	>	* If a "handle action" throws an exception when triggered by
1184	>	* a source completion that also throws an exception, the action
1185	>	* exception takes precedence (unlike whenComplete)
1186	>	*/
1187	>	public void testHandle_sourceFailedActionFailed() {
1188		for (boolean createIncomplete : new boolean[] { true, false })
1189	<	for (Integer v1 : new Integer[] { 1, null })
1189	>	for (ExecutionMode m : ExecutionMode.values())
1190		{
978	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1191		final AtomicInteger a = new AtomicInteger(0);
1192	<	final CFException ex = new CFException();
1193	<	if (!createIncomplete) f.complete(v1);
1192	>	final CFException ex1 = new CFException();
1193	>	final CFException ex2 = new CFException();
1194	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1195	>
1196	>	if (!createIncomplete) f.completeExceptionally(ex1);
1197		final CompletableFuture<Integer> g = m.handle
1198		(f,
1199	<	(Integer x, Throwable t) -> {
1199	>	(Integer result, Throwable t) -> {
1200		m.checkExecutionMode();
1201	<	threadAssertSame(x, v1);
1202	<	threadAssertNull(t);
1201	>	threadAssertNull(result);
1202	>	threadAssertSame(ex1, t);
1203		a.getAndIncrement();
1204	<	throw ex;
1204	>	throw ex2;
1205		});
1206	<	if (createIncomplete) f.complete(v1);
1206	>	if (createIncomplete) f.completeExceptionally(ex1);
1207
1208	<	checkCompletedWithWrappedCFException(g, ex);
1209	<	checkCompletedNormally(f, v1);
1208	>	checkCompletedWithWrappedException(g, ex2);
1209	>	checkCompletedExceptionally(f, ex1);
1210		assertEquals(1, a.get());
1211		}}
1212
#	Line 1024 | Line 1239 | public class CompletableFutureTest exten
1239		{
1240		final FailingRunnable r = new FailingRunnable(m);
1241		final CompletableFuture<Void> f = m.runAsync(r);
1242	<	checkCompletedWithWrappedCFException(f);
1242	>	checkCompletedWithWrappedException(f, r.ex);
1243		r.assertInvoked();
1244		}}
1245
1246	+	public void testRunAsync_rejectingExecutor() {
1247	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1248	+	try {
1249	+	CompletableFuture.runAsync(() -> {}, e);
1250	+	shouldThrow();
1251	+	} catch (Throwable t) {
1252	+	assertSame(e.ex, t);
1253	+	}
1254	+
1255	+	assertEquals(1, e.count.get());
1256	+	}
1257	+
1258		/**
1259		* supplyAsync completes with result of supplier
1260		*/
#	Line 1058 | Line 1285 | public class CompletableFutureTest exten
1285		{
1286		FailingSupplier r = new FailingSupplier(m);
1287		CompletableFuture<Integer> f = m.supplyAsync(r);
1288	<	checkCompletedWithWrappedCFException(f);
1288	>	checkCompletedWithWrappedException(f, r.ex);
1289		r.assertInvoked();
1290		}}
1291
1292	+	public void testSupplyAsync_rejectingExecutor() {
1293	+	CountingRejectingExecutor e = new CountingRejectingExecutor();
1294	+	try {
1295	+	CompletableFuture.supplyAsync(() -> null, e);
1296	+	shouldThrow();
1297	+	} catch (Throwable t) {
1298	+	assertSame(e.ex, t);
1299	+	}
1300	+
1301	+	assertEquals(1, e.count.get());
1302	+	}
1303	+
1304		// seq completion methods
1305
1306		/**
#	Line 1069 | Line 1308 | public class CompletableFutureTest exten
1308		*/
1309		public void testThenRun_normalCompletion() {
1310		for (ExecutionMode m : ExecutionMode.values())
1072	–	for (boolean createIncomplete : new boolean[] { true, false })
1311		for (Integer v1 : new Integer[] { 1, null })
1312		{
1313		final CompletableFuture<Integer> f = new CompletableFuture<>();
1314	<	final Noop r = new Noop(m);
1315	<	if (!createIncomplete) f.complete(v1);
1078	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1079	<	if (createIncomplete) {
1080	<	checkIncomplete(g);
1081	<	f.complete(v1);
1082	<	}
1314	>	final Noop[] rs = new Noop[6];
1315	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1316
1317	<	checkCompletedNormally(g, null);
1317	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1318	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1319	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1320	>	checkIncomplete(h0);
1321	>	checkIncomplete(h1);
1322	>	checkIncomplete(h2);
1323	>	assertTrue(f.complete(v1));
1324	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1325	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1326	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1327	>
1328	>	checkCompletedNormally(h0, null);
1329	>	checkCompletedNormally(h1, null);
1330	>	checkCompletedNormally(h2, null);
1331	>	checkCompletedNormally(h3, null);
1332	>	checkCompletedNormally(h4, null);
1333	>	checkCompletedNormally(h5, null);
1334		checkCompletedNormally(f, v1);
1335	<	r.assertInvoked();
1335	>	for (Noop r : rs) r.assertInvoked();
1336		}}
1337
1338		/**
#	Line 1092 | Line 1341 | public class CompletableFutureTest exten
1341		*/
1342		public void testThenRun_exceptionalCompletion() {
1343		for (ExecutionMode m : ExecutionMode.values())
1095	–	for (boolean createIncomplete : new boolean[] { true, false })
1344		{
1345		final CFException ex = new CFException();
1346		final CompletableFuture<Integer> f = new CompletableFuture<>();
1347	<	final Noop r = new Noop(m);
1348	<	if (!createIncomplete) f.completeExceptionally(ex);
1101	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1102	<	if (createIncomplete) {
1103	<	checkIncomplete(g);
1104	<	f.completeExceptionally(ex);
1105	<	}
1347	>	final Noop[] rs = new Noop[6];
1348	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1349
1350	<	checkCompletedWithWrappedCFException(g, ex);
1351	<	checkCompletedWithWrappedCFException(f, ex);
1352	<	r.assertNotInvoked();
1350	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1351	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1352	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1353	>	checkIncomplete(h0);
1354	>	checkIncomplete(h1);
1355	>	checkIncomplete(h2);
1356	>	assertTrue(f.completeExceptionally(ex));
1357	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1358	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1359	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1360	>
1361	>	checkCompletedWithWrappedException(h0, ex);
1362	>	checkCompletedWithWrappedException(h1, ex);
1363	>	checkCompletedWithWrappedException(h2, ex);
1364	>	checkCompletedWithWrappedException(h3, ex);
1365	>	checkCompletedWithWrappedException(h4, ex);
1366	>	checkCompletedWithWrappedException(h5, ex);
1367	>	checkCompletedExceptionally(f, ex);
1368	>	for (Noop r : rs) r.assertNotInvoked();
1369		}}
1370
1371		/**
#	Line 1114 | Line 1373 | public class CompletableFutureTest exten
1373		*/
1374		public void testThenRun_sourceCancelled() {
1375		for (ExecutionMode m : ExecutionMode.values())
1117	–	for (boolean createIncomplete : new boolean[] { true, false })
1376		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1377		{
1378		final CompletableFuture<Integer> f = new CompletableFuture<>();
1379	<	final Noop r = new Noop(m);
1380	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1123	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1124	<	if (createIncomplete) {
1125	<	checkIncomplete(g);
1126	<	assertTrue(f.cancel(mayInterruptIfRunning));
1127	<	}
1379	>	final Noop[] rs = new Noop[6];
1380	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1381
1382	<	checkCompletedWithWrappedCancellationException(g);
1382	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1383	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1384	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1385	>	checkIncomplete(h0);
1386	>	checkIncomplete(h1);
1387	>	checkIncomplete(h2);
1388	>	assertTrue(f.cancel(mayInterruptIfRunning));
1389	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1390	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1391	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1392	>
1393	>	checkCompletedWithWrappedCancellationException(h0);
1394	>	checkCompletedWithWrappedCancellationException(h1);
1395	>	checkCompletedWithWrappedCancellationException(h2);
1396	>	checkCompletedWithWrappedCancellationException(h3);
1397	>	checkCompletedWithWrappedCancellationException(h4);
1398	>	checkCompletedWithWrappedCancellationException(h5);
1399		checkCancelled(f);
1400	<	r.assertNotInvoked();
1400	>	for (Noop r : rs) r.assertNotInvoked();
1401		}}
1402
1403		/**
#	Line 1136 | Line 1405 | public class CompletableFutureTest exten
1405		*/
1406		public void testThenRun_actionFailed() {
1407		for (ExecutionMode m : ExecutionMode.values())
1139	–	for (boolean createIncomplete : new boolean[] { true, false })
1408		for (Integer v1 : new Integer[] { 1, null })
1409		{
1410		final CompletableFuture<Integer> f = new CompletableFuture<>();
1411	<	final FailingRunnable r = new FailingRunnable(m);
1412	<	if (!createIncomplete) f.complete(v1);
1145	<	final CompletableFuture<Void> g = m.thenRun(f, r);
1146	<	if (createIncomplete) {
1147	<	checkIncomplete(g);
1148	<	f.complete(v1);
1149	<	}
1411	>	final FailingRunnable[] rs = new FailingRunnable[6];
1412	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1413
1414	<	checkCompletedWithWrappedCFException(g);
1414	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1415	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1416	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1417	>	assertTrue(f.complete(v1));
1418	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1419	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1420	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1421	>
1422	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1423	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1424	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1425	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1426	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1427	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1428		checkCompletedNormally(f, v1);
1429		}}
1430
#	Line 1157 | Line 1433 | public class CompletableFutureTest exten
1433		*/
1434		public void testThenApply_normalCompletion() {
1435		for (ExecutionMode m : ExecutionMode.values())
1160	–	for (boolean createIncomplete : new boolean[] { true, false })
1436		for (Integer v1 : new Integer[] { 1, null })
1437		{
1438		final CompletableFuture<Integer> f = new CompletableFuture<>();
1439	<	final IncFunction r = new IncFunction(m);
1440	<	if (!createIncomplete) f.complete(v1);
1166	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1167	<	if (createIncomplete) {
1168	<	checkIncomplete(g);
1169	<	f.complete(v1);
1170	<	}
1439	>	final IncFunction[] rs = new IncFunction[4];
1440	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1441
1442	<	checkCompletedNormally(g, inc(v1));
1442	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1443	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1444	>	checkIncomplete(h0);
1445	>	checkIncomplete(h1);
1446	>	assertTrue(f.complete(v1));
1447	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1448	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1449	>
1450	>	checkCompletedNormally(h0, inc(v1));
1451	>	checkCompletedNormally(h1, inc(v1));
1452	>	checkCompletedNormally(h2, inc(v1));
1453	>	checkCompletedNormally(h3, inc(v1));
1454		checkCompletedNormally(f, v1);
1455	<	r.assertInvoked();
1455	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1456		}}
1457
1458		/**
#	Line 1180 | Line 1461 | public class CompletableFutureTest exten
1461		*/
1462		public void testThenApply_exceptionalCompletion() {
1463		for (ExecutionMode m : ExecutionMode.values())
1183	–	for (boolean createIncomplete : new boolean[] { true, false })
1464		{
1465		final CFException ex = new CFException();
1466		final CompletableFuture<Integer> f = new CompletableFuture<>();
1467	<	final IncFunction r = new IncFunction(m);
1468	<	if (!createIncomplete) f.completeExceptionally(ex);
1189	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1190	<	if (createIncomplete) {
1191	<	checkIncomplete(g);
1192	<	f.completeExceptionally(ex);
1193	<	}
1467	>	final IncFunction[] rs = new IncFunction[4];
1468	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1469
1470	<	checkCompletedWithWrappedCFException(g, ex);
1471	<	checkCompletedWithWrappedCFException(f, ex);
1472	<	r.assertNotInvoked();
1470	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1471	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1472	>	assertTrue(f.completeExceptionally(ex));
1473	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1474	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1475	>
1476	>	checkCompletedWithWrappedException(h0, ex);
1477	>	checkCompletedWithWrappedException(h1, ex);
1478	>	checkCompletedWithWrappedException(h2, ex);
1479	>	checkCompletedWithWrappedException(h3, ex);
1480	>	checkCompletedExceptionally(f, ex);
1481	>	for (IncFunction r : rs) r.assertNotInvoked();
1482		}}
1483
1484		/**
#	Line 1202 | Line 1486 | public class CompletableFutureTest exten
1486		*/
1487		public void testThenApply_sourceCancelled() {
1488		for (ExecutionMode m : ExecutionMode.values())
1205	–	for (boolean createIncomplete : new boolean[] { true, false })
1489		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1490		{
1491		final CompletableFuture<Integer> f = new CompletableFuture<>();
1492	<	final IncFunction r = new IncFunction(m);
1493	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1211	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1212	<	if (createIncomplete) {
1213	<	checkIncomplete(g);
1214	<	assertTrue(f.cancel(mayInterruptIfRunning));
1215	<	}
1492	>	final IncFunction[] rs = new IncFunction[4];
1493	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1494
1495	<	checkCompletedWithWrappedCancellationException(g);
1495	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1496	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1497	>	assertTrue(f.cancel(mayInterruptIfRunning));
1498	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1499	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1500	>
1501	>	checkCompletedWithWrappedCancellationException(h0);
1502	>	checkCompletedWithWrappedCancellationException(h1);
1503	>	checkCompletedWithWrappedCancellationException(h2);
1504	>	checkCompletedWithWrappedCancellationException(h3);
1505		checkCancelled(f);
1506	<	r.assertNotInvoked();
1506	>	for (IncFunction r : rs) r.assertNotInvoked();
1507		}}
1508
1509		/**
#	Line 1224 | Line 1511 | public class CompletableFutureTest exten
1511		*/
1512		public void testThenApply_actionFailed() {
1513		for (ExecutionMode m : ExecutionMode.values())
1227	–	for (boolean createIncomplete : new boolean[] { true, false })
1514		for (Integer v1 : new Integer[] { 1, null })
1515		{
1516		final CompletableFuture<Integer> f = new CompletableFuture<>();
1517	<	final FailingFunction r = new FailingFunction(m);
1518	<	if (!createIncomplete) f.complete(v1);
1233	<	final CompletableFuture<Integer> g = m.thenApply(f, r);
1234	<	if (createIncomplete) {
1235	<	checkIncomplete(g);
1236	<	f.complete(v1);
1237	<	}
1517	>	final FailingFunction[] rs = new FailingFunction[4];
1518	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1519
1520	<	checkCompletedWithWrappedCFException(g);
1520	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1521	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1522	>	assertTrue(f.complete(v1));
1523	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1524	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1525	>
1526	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1527	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1528	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1529	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1530		checkCompletedNormally(f, v1);
1531		}}
1532
#	Line 1245 | Line 1535 | public class CompletableFutureTest exten
1535		*/
1536		public void testThenAccept_normalCompletion() {
1537		for (ExecutionMode m : ExecutionMode.values())
1248	–	for (boolean createIncomplete : new boolean[] { true, false })
1538		for (Integer v1 : new Integer[] { 1, null })
1539		{
1540		final CompletableFuture<Integer> f = new CompletableFuture<>();
1541	<	final NoopConsumer r = new NoopConsumer(m);
1542	<	if (!createIncomplete) f.complete(v1);
1254	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1255	<	if (createIncomplete) {
1256	<	checkIncomplete(g);
1257	<	f.complete(v1);
1258	<	}
1541	>	final NoopConsumer[] rs = new NoopConsumer[4];
1542	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1543
1544	<	checkCompletedNormally(g, null);
1545	<	r.assertValue(v1);
1544	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1545	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1546	>	checkIncomplete(h0);
1547	>	checkIncomplete(h1);
1548	>	assertTrue(f.complete(v1));
1549	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1550	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1551	>
1552	>	checkCompletedNormally(h0, null);
1553	>	checkCompletedNormally(h1, null);
1554	>	checkCompletedNormally(h2, null);
1555	>	checkCompletedNormally(h3, null);
1556		checkCompletedNormally(f, v1);
1557	+	for (NoopConsumer r : rs) r.assertValue(v1);
1558		}}
1559
1560		/**
#	Line 1268 | Line 1563 | public class CompletableFutureTest exten
1563		*/
1564		public void testThenAccept_exceptionalCompletion() {
1565		for (ExecutionMode m : ExecutionMode.values())
1271	–	for (boolean createIncomplete : new boolean[] { true, false })
1566		{
1567		final CFException ex = new CFException();
1568		final CompletableFuture<Integer> f = new CompletableFuture<>();
1569	<	final NoopConsumer r = new NoopConsumer(m);
1570	<	if (!createIncomplete) f.completeExceptionally(ex);
1277	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1278	<	if (createIncomplete) {
1279	<	checkIncomplete(g);
1280	<	f.completeExceptionally(ex);
1281	<	}
1569	>	final NoopConsumer[] rs = new NoopConsumer[4];
1570	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1571
1572	<	checkCompletedWithWrappedCFException(g, ex);
1573	<	checkCompletedWithWrappedCFException(f, ex);
1574	<	r.assertNotInvoked();
1572	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1573	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1574	>	assertTrue(f.completeExceptionally(ex));
1575	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1576	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1577	>
1578	>	checkCompletedWithWrappedException(h0, ex);
1579	>	checkCompletedWithWrappedException(h1, ex);
1580	>	checkCompletedWithWrappedException(h2, ex);
1581	>	checkCompletedWithWrappedException(h3, ex);
1582	>	checkCompletedExceptionally(f, ex);
1583	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1584		}}
1585
1586		/**
#	Line 1290 | Line 1588 | public class CompletableFutureTest exten
1588		*/
1589		public void testThenAccept_sourceCancelled() {
1590		for (ExecutionMode m : ExecutionMode.values())
1293	–	for (boolean createIncomplete : new boolean[] { true, false })
1591		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1592		{
1593		final CompletableFuture<Integer> f = new CompletableFuture<>();
1594	<	final NoopConsumer r = new NoopConsumer(m);
1595	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1299	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1300	<	if (createIncomplete) {
1301	<	checkIncomplete(g);
1302	<	assertTrue(f.cancel(mayInterruptIfRunning));
1303	<	}
1594	>	final NoopConsumer[] rs = new NoopConsumer[4];
1595	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1596
1597	<	checkCompletedWithWrappedCancellationException(g);
1597	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1598	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1599	>	assertTrue(f.cancel(mayInterruptIfRunning));
1600	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1601	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1602	>
1603	>	checkCompletedWithWrappedCancellationException(h0);
1604	>	checkCompletedWithWrappedCancellationException(h1);
1605	>	checkCompletedWithWrappedCancellationException(h2);
1606	>	checkCompletedWithWrappedCancellationException(h3);
1607		checkCancelled(f);
1608	<	r.assertNotInvoked();
1608	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1609		}}
1610
1611		/**
#	Line 1312 | Line 1613 | public class CompletableFutureTest exten
1613		*/
1614		public void testThenAccept_actionFailed() {
1615		for (ExecutionMode m : ExecutionMode.values())
1315	–	for (boolean createIncomplete : new boolean[] { true, false })
1616		for (Integer v1 : new Integer[] { 1, null })
1617		{
1618		final CompletableFuture<Integer> f = new CompletableFuture<>();
1619	<	final FailingConsumer r = new FailingConsumer(m);
1620	<	if (!createIncomplete) f.complete(v1);
1321	<	final CompletableFuture<Void> g = m.thenAccept(f, r);
1322	<	if (createIncomplete) {
1323	<	checkIncomplete(g);
1324	<	f.complete(v1);
1325	<	}
1619	>	final FailingConsumer[] rs = new FailingConsumer[4];
1620	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1621
1622	<	checkCompletedWithWrappedCFException(g);
1622	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1623	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1624	>	assertTrue(f.complete(v1));
1625	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1626	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1627	>
1628	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1629	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1630	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1631	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1632		checkCompletedNormally(f, v1);
1633		}}
1634
#	Line 1334 | Line 1638 | public class CompletableFutureTest exten
1638		*/
1639		public void testThenCombine_normalCompletion() {
1640		for (ExecutionMode m : ExecutionMode.values())
1337	–	for (boolean createIncomplete : new boolean[] { true, false })
1641		for (boolean fFirst : new boolean[] { true, false })
1642		for (Integer v1 : new Integer[] { 1, null })
1643		for (Integer v2 : new Integer[] { 2, null })
1644		{
1645		final CompletableFuture<Integer> f = new CompletableFuture<>();
1646		final CompletableFuture<Integer> g = new CompletableFuture<>();
1647	<	final SubtractFunction r = new SubtractFunction(m);
1647	>	final SubtractFunction[] rs = new SubtractFunction[6];
1648	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1649
1650	<	if (fFirst) f.complete(v1); else g.complete(v2);
1651	<	if (!createIncomplete)
1652	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1653	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1654	<	if (createIncomplete) {
1655	<	checkIncomplete(h);
1656	<	r.assertNotInvoked();
1657	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1658	<	}
1650	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1651	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1652	>	final Integer w1 =  fFirst ? v1 : v2;
1653	>	final Integer w2 = !fFirst ? v1 : v2;
1654	>
1655	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1656	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1657	>	assertTrue(fst.complete(w1));
1658	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1659	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1660	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1661	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1662	>	checkCompletedNormally(h1, subtract(w1, w1));
1663	>	checkCompletedNormally(h3, subtract(w1, w1));
1664	>	rs[1].assertValue(subtract(w1, w1));
1665	>	rs[3].assertValue(subtract(w1, w1));
1666	>	assertTrue(snd.complete(w2));
1667	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1668	>
1669	>	checkCompletedNormally(h0, subtract(v1, v2));
1670	>	checkCompletedNormally(h2, subtract(v1, v2));
1671	>	checkCompletedNormally(h4, subtract(v1, v2));
1672	>	rs[0].assertValue(subtract(v1, v2));
1673	>	rs[2].assertValue(subtract(v1, v2));
1674	>	rs[4].assertValue(subtract(v1, v2));
1675
1356	–	checkCompletedNormally(h, subtract(v1, v2));
1676		checkCompletedNormally(f, v1);
1677		checkCompletedNormally(g, v2);
1359	–	r.assertInvoked();
1678		}}
1679
1680		/**
1681		* thenCombine result completes exceptionally after exceptional
1682		* completion of either source
1683		*/
1684	<	public void testThenCombine_exceptionalCompletion() {
1684	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1685		for (ExecutionMode m : ExecutionMode.values())
1368	–	for (boolean createIncomplete : new boolean[] { true, false })
1686		for (boolean fFirst : new boolean[] { true, false })
1687	+	for (boolean failFirst : new boolean[] { true, false })
1688		for (Integer v1 : new Integer[] { 1, null })
1689		{
1690		final CompletableFuture<Integer> f = new CompletableFuture<>();
1691		final CompletableFuture<Integer> g = new CompletableFuture<>();
1692		final CFException ex = new CFException();
1693	<	final SubtractFunction r = new SubtractFunction(m);
1694	<
1695	<	(fFirst ? f : g).complete(v1);
1696	<	if (!createIncomplete)
1697	<	(!fFirst ? f : g).completeExceptionally(ex);
1698	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1699	<	if (createIncomplete) {
1700	<	checkIncomplete(h);
1701	<	(!fFirst ? f : g).completeExceptionally(ex);
1702	<	}
1703	<
1704	<	checkCompletedWithWrappedCFException(h, ex);
1705	<	r.assertNotInvoked();
1706	<	checkCompletedNormally(fFirst ? f : g, v1);
1707	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1693	>	final SubtractFunction r1 = new SubtractFunction(m);
1694	>	final SubtractFunction r2 = new SubtractFunction(m);
1695	>	final SubtractFunction r3 = new SubtractFunction(m);
1696	>
1697	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1698	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1699	>	final Callable<Boolean> complete1 = failFirst ?
1700	>	() -> fst.completeExceptionally(ex) :
1701	>	() -> fst.complete(v1);
1702	>	final Callable<Boolean> complete2 = failFirst ?
1703	>	() -> snd.complete(v1) :
1704	>	() -> snd.completeExceptionally(ex);
1705	>
1706	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1707	>	assertTrue(complete1.call());
1708	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1709	>	checkIncomplete(h1);
1710	>	checkIncomplete(h2);
1711	>	assertTrue(complete2.call());
1712	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1713	>
1714	>	checkCompletedWithWrappedException(h1, ex);
1715	>	checkCompletedWithWrappedException(h2, ex);
1716	>	checkCompletedWithWrappedException(h3, ex);
1717	>	r1.assertNotInvoked();
1718	>	r2.assertNotInvoked();
1719	>	r3.assertNotInvoked();
1720	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1721	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1722		}}
1723
1724		/**
1725		* thenCombine result completes exceptionally if either source cancelled
1726		*/
1727	<	public void testThenCombine_sourceCancelled() {
1727	>	public void testThenCombine_sourceCancelled() throws Throwable {
1728		for (ExecutionMode m : ExecutionMode.values())
1729		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1398	–	for (boolean createIncomplete : new boolean[] { true, false })
1730		for (boolean fFirst : new boolean[] { true, false })
1731	+	for (boolean failFirst : new boolean[] { true, false })
1732		for (Integer v1 : new Integer[] { 1, null })
1733		{
1734		final CompletableFuture<Integer> f = new CompletableFuture<>();
1735		final CompletableFuture<Integer> g = new CompletableFuture<>();
1736	<	final SubtractFunction r = new SubtractFunction(m);
1737	<
1738	<	(fFirst ? f : g).complete(v1);
1739	<	if (!createIncomplete)
1740	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1741	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1742	<	if (createIncomplete) {
1743	<	checkIncomplete(h);
1744	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1745	<	}
1736	>	final SubtractFunction r1 = new SubtractFunction(m);
1737	>	final SubtractFunction r2 = new SubtractFunction(m);
1738	>	final SubtractFunction r3 = new SubtractFunction(m);
1739	>
1740	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1741	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1742	>	final Callable<Boolean> complete1 = failFirst ?
1743	>	() -> fst.cancel(mayInterruptIfRunning) :
1744	>	() -> fst.complete(v1);
1745	>	final Callable<Boolean> complete2 = failFirst ?
1746	>	() -> snd.complete(v1) :
1747	>	() -> snd.cancel(mayInterruptIfRunning);
1748	>
1749	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1750	>	assertTrue(complete1.call());
1751	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1752	>	checkIncomplete(h1);
1753	>	checkIncomplete(h2);
1754	>	assertTrue(complete2.call());
1755	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1756
1757	<	checkCompletedWithWrappedCancellationException(h);
1758	<	checkCancelled(!fFirst ? f : g);
1759	<	r.assertNotInvoked();
1760	<	checkCompletedNormally(fFirst ? f : g, v1);
1757	>	checkCompletedWithWrappedCancellationException(h1);
1758	>	checkCompletedWithWrappedCancellationException(h2);
1759	>	checkCompletedWithWrappedCancellationException(h3);
1760	>	r1.assertNotInvoked();
1761	>	r2.assertNotInvoked();
1762	>	r3.assertNotInvoked();
1763	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1764	>	checkCancelled(failFirst ? fst : snd);
1765		}}
1766
1767		/**
#	Line 1429 | Line 1775 | public class CompletableFutureTest exten
1775		{
1776		final CompletableFuture<Integer> f = new CompletableFuture<>();
1777		final CompletableFuture<Integer> g = new CompletableFuture<>();
1778	<	final FailingBiFunction r = new FailingBiFunction(m);
1779	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1780	<
1781	<	if (fFirst) {
1782	<	f.complete(v1);
1783	<	g.complete(v2);
1784	<	} else {
1785	<	g.complete(v2);
1786	<	f.complete(v1);
1787	<	}
1788	<
1789	<	checkCompletedWithWrappedCFException(h);
1778	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1779	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1780	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1781	>
1782	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1783	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1784	>	final Integer w1 =  fFirst ? v1 : v2;
1785	>	final Integer w2 = !fFirst ? v1 : v2;
1786	>
1787	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1788	>	assertTrue(fst.complete(w1));
1789	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1790	>	assertTrue(snd.complete(w2));
1791	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1792	>
1793	>	checkCompletedWithWrappedException(h1, r1.ex);
1794	>	checkCompletedWithWrappedException(h2, r2.ex);
1795	>	checkCompletedWithWrappedException(h3, r3.ex);
1796	>	r1.assertInvoked();
1797	>	r2.assertInvoked();
1798	>	r3.assertInvoked();
1799		checkCompletedNormally(f, v1);
1800		checkCompletedNormally(g, v2);
1801		}}
#	Line 1451 | Line 1806 | public class CompletableFutureTest exten
1806		*/
1807		public void testThenAcceptBoth_normalCompletion() {
1808		for (ExecutionMode m : ExecutionMode.values())
1454	–	for (boolean createIncomplete : new boolean[] { true, false })
1809		for (boolean fFirst : new boolean[] { true, false })
1810		for (Integer v1 : new Integer[] { 1, null })
1811		for (Integer v2 : new Integer[] { 2, null })
1812		{
1813		final CompletableFuture<Integer> f = new CompletableFuture<>();
1814		final CompletableFuture<Integer> g = new CompletableFuture<>();
1815	<	final SubtractAction r = new SubtractAction(m);
1816	<
1817	<	if (fFirst) f.complete(v1); else g.complete(v2);
1818	<	if (!createIncomplete)
1819	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1820	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1821	<	if (createIncomplete) {
1822	<	checkIncomplete(h);
1823	<	r.assertNotInvoked();
1824	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1825	<	}
1815	>	final SubtractAction r1 = new SubtractAction(m);
1816	>	final SubtractAction r2 = new SubtractAction(m);
1817	>	final SubtractAction r3 = new SubtractAction(m);
1818	>
1819	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1820	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1821	>	final Integer w1 =  fFirst ? v1 : v2;
1822	>	final Integer w2 = !fFirst ? v1 : v2;
1823	>
1824	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1825	>	assertTrue(fst.complete(w1));
1826	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1827	>	checkIncomplete(h1);
1828	>	checkIncomplete(h2);
1829	>	r1.assertNotInvoked();
1830	>	r2.assertNotInvoked();
1831	>	assertTrue(snd.complete(w2));
1832	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1833
1834	<	checkCompletedNormally(h, null);
1835	<	r.assertValue(subtract(v1, v2));
1834	>	checkCompletedNormally(h1, null);
1835	>	checkCompletedNormally(h2, null);
1836	>	checkCompletedNormally(h3, null);
1837	>	r1.assertValue(subtract(v1, v2));
1838	>	r2.assertValue(subtract(v1, v2));
1839	>	r3.assertValue(subtract(v1, v2));
1840		checkCompletedNormally(f, v1);
1841		checkCompletedNormally(g, v2);
1842		}}
#	Line 1480 | Line 1845 | public class CompletableFutureTest exten
1845		* thenAcceptBoth result completes exceptionally after exceptional
1846		* completion of either source
1847		*/
1848	<	public void testThenAcceptBoth_exceptionalCompletion() {
1848	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1849		for (ExecutionMode m : ExecutionMode.values())
1485	–	for (boolean createIncomplete : new boolean[] { true, false })
1850		for (boolean fFirst : new boolean[] { true, false })
1851	+	for (boolean failFirst : new boolean[] { true, false })
1852		for (Integer v1 : new Integer[] { 1, null })
1853		{
1854		final CompletableFuture<Integer> f = new CompletableFuture<>();
1855		final CompletableFuture<Integer> g = new CompletableFuture<>();
1856		final CFException ex = new CFException();
1857	<	final SubtractAction r = new SubtractAction(m);
1858	<
1859	<	(fFirst ? f : g).complete(v1);
1860	<	if (!createIncomplete)
1861	<	(!fFirst ? f : g).completeExceptionally(ex);
1862	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1863	<	if (createIncomplete) {
1864	<	checkIncomplete(h);
1865	<	(!fFirst ? f : g).completeExceptionally(ex);
1866	<	}
1867	<
1868	<	checkCompletedWithWrappedCFException(h, ex);
1869	<	r.assertNotInvoked();
1870	<	checkCompletedNormally(fFirst ? f : g, v1);
1871	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1857	>	final SubtractAction r1 = new SubtractAction(m);
1858	>	final SubtractAction r2 = new SubtractAction(m);
1859	>	final SubtractAction r3 = new SubtractAction(m);
1860	>
1861	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1862	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1863	>	final Callable<Boolean> complete1 = failFirst ?
1864	>	() -> fst.completeExceptionally(ex) :
1865	>	() -> fst.complete(v1);
1866	>	final Callable<Boolean> complete2 = failFirst ?
1867	>	() -> snd.complete(v1) :
1868	>	() -> snd.completeExceptionally(ex);
1869	>
1870	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1871	>	assertTrue(complete1.call());
1872	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1873	>	checkIncomplete(h1);
1874	>	checkIncomplete(h2);
1875	>	assertTrue(complete2.call());
1876	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1877	>
1878	>	checkCompletedWithWrappedException(h1, ex);
1879	>	checkCompletedWithWrappedException(h2, ex);
1880	>	checkCompletedWithWrappedException(h3, ex);
1881	>	r1.assertNotInvoked();
1882	>	r2.assertNotInvoked();
1883	>	r3.assertNotInvoked();
1884	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1885	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1886		}}
1887
1888		/**
1889		* thenAcceptBoth result completes exceptionally if either source cancelled
1890		*/
1891	<	public void testThenAcceptBoth_sourceCancelled() {
1891	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1892		for (ExecutionMode m : ExecutionMode.values())
1893		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1515	–	for (boolean createIncomplete : new boolean[] { true, false })
1894		for (boolean fFirst : new boolean[] { true, false })
1895	+	for (boolean failFirst : new boolean[] { true, false })
1896		for (Integer v1 : new Integer[] { 1, null })
1897		{
1898		final CompletableFuture<Integer> f = new CompletableFuture<>();
1899		final CompletableFuture<Integer> g = new CompletableFuture<>();
1900	<	final SubtractAction r = new SubtractAction(m);
1901	<
1902	<	(fFirst ? f : g).complete(v1);
1903	<	if (!createIncomplete)
1904	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1905	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1906	<	if (createIncomplete) {
1907	<	checkIncomplete(h);
1908	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1909	<	}
1900	>	final SubtractAction r1 = new SubtractAction(m);
1901	>	final SubtractAction r2 = new SubtractAction(m);
1902	>	final SubtractAction r3 = new SubtractAction(m);
1903	>
1904	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1905	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1906	>	final Callable<Boolean> complete1 = failFirst ?
1907	>	() -> fst.cancel(mayInterruptIfRunning) :
1908	>	() -> fst.complete(v1);
1909	>	final Callable<Boolean> complete2 = failFirst ?
1910	>	() -> snd.complete(v1) :
1911	>	() -> snd.cancel(mayInterruptIfRunning);
1912	>
1913	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1914	>	assertTrue(complete1.call());
1915	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1916	>	checkIncomplete(h1);
1917	>	checkIncomplete(h2);
1918	>	assertTrue(complete2.call());
1919	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1920
1921	<	checkCompletedWithWrappedCancellationException(h);
1922	<	checkCancelled(!fFirst ? f : g);
1923	<	r.assertNotInvoked();
1924	<	checkCompletedNormally(fFirst ? f : g, v1);
1921	>	checkCompletedWithWrappedCancellationException(h1);
1922	>	checkCompletedWithWrappedCancellationException(h2);
1923	>	checkCompletedWithWrappedCancellationException(h3);
1924	>	r1.assertNotInvoked();
1925	>	r2.assertNotInvoked();
1926	>	r3.assertNotInvoked();
1927	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1928	>	checkCancelled(failFirst ? fst : snd);
1929		}}
1930
1931		/**
#	Line 1546 | Line 1939 | public class CompletableFutureTest exten
1939		{
1940		final CompletableFuture<Integer> f = new CompletableFuture<>();
1941		final CompletableFuture<Integer> g = new CompletableFuture<>();
1942	<	final FailingBiConsumer r = new FailingBiConsumer(m);
1943	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1944	<
1945	<	if (fFirst) {
1946	<	f.complete(v1);
1947	<	g.complete(v2);
1948	<	} else {
1949	<	g.complete(v2);
1950	<	f.complete(v1);
1951	<	}
1952	<
1953	<	checkCompletedWithWrappedCFException(h);
1942	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1943	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1944	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1945	>
1946	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1947	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1948	>	final Integer w1 =  fFirst ? v1 : v2;
1949	>	final Integer w2 = !fFirst ? v1 : v2;
1950	>
1951	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1952	>	assertTrue(fst.complete(w1));
1953	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1954	>	assertTrue(snd.complete(w2));
1955	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1956	>
1957	>	checkCompletedWithWrappedException(h1, r1.ex);
1958	>	checkCompletedWithWrappedException(h2, r2.ex);
1959	>	checkCompletedWithWrappedException(h3, r3.ex);
1960	>	r1.assertInvoked();
1961	>	r2.assertInvoked();
1962	>	r3.assertInvoked();
1963		checkCompletedNormally(f, v1);
1964		checkCompletedNormally(g, v2);
1965		}}
#	Line 1568 | Line 1970 | public class CompletableFutureTest exten
1970		*/
1971		public void testRunAfterBoth_normalCompletion() {
1972		for (ExecutionMode m : ExecutionMode.values())
1571	–	for (boolean createIncomplete : new boolean[] { true, false })
1973		for (boolean fFirst : new boolean[] { true, false })
1974		for (Integer v1 : new Integer[] { 1, null })
1975		for (Integer v2 : new Integer[] { 2, null })
1976		{
1977		final CompletableFuture<Integer> f = new CompletableFuture<>();
1978		final CompletableFuture<Integer> g = new CompletableFuture<>();
1979	<	final Noop r = new Noop(m);
1980	<
1981	<	if (fFirst) f.complete(v1); else g.complete(v2);
1982	<	if (!createIncomplete)
1983	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1984	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1985	<	if (createIncomplete) {
1986	<	checkIncomplete(h);
1987	<	r.assertNotInvoked();
1988	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1989	<	}
1979	>	final Noop r1 = new Noop(m);
1980	>	final Noop r2 = new Noop(m);
1981	>	final Noop r3 = new Noop(m);
1982	>
1983	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1984	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1985	>	final Integer w1 =  fFirst ? v1 : v2;
1986	>	final Integer w2 = !fFirst ? v1 : v2;
1987	>
1988	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1989	>	assertTrue(fst.complete(w1));
1990	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1991	>	checkIncomplete(h1);
1992	>	checkIncomplete(h2);
1993	>	r1.assertNotInvoked();
1994	>	r2.assertNotInvoked();
1995	>	assertTrue(snd.complete(w2));
1996	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1997
1998	<	checkCompletedNormally(h, null);
1999	<	r.assertInvoked();
1998	>	checkCompletedNormally(h1, null);
1999	>	checkCompletedNormally(h2, null);
2000	>	checkCompletedNormally(h3, null);
2001	>	r1.assertInvoked();
2002	>	r2.assertInvoked();
2003	>	r3.assertInvoked();
2004		checkCompletedNormally(f, v1);
2005		checkCompletedNormally(g, v2);
2006		}}
#	Line 1597 | Line 2009 | public class CompletableFutureTest exten
2009		* runAfterBoth result completes exceptionally after exceptional
2010		* completion of either source
2011		*/
2012	<	public void testRunAfterBoth_exceptionalCompletion() {
2012	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2013		for (ExecutionMode m : ExecutionMode.values())
1602	–	for (boolean createIncomplete : new boolean[] { true, false })
2014		for (boolean fFirst : new boolean[] { true, false })
2015	+	for (boolean failFirst : new boolean[] { true, false })
2016		for (Integer v1 : new Integer[] { 1, null })
2017		{
2018		final CompletableFuture<Integer> f = new CompletableFuture<>();
2019		final CompletableFuture<Integer> g = new CompletableFuture<>();
2020		final CFException ex = new CFException();
2021	<	final Noop r = new Noop(m);
2022	<
2023	<	(fFirst ? f : g).complete(v1);
2024	<	if (!createIncomplete)
2025	<	(!fFirst ? f : g).completeExceptionally(ex);
2026	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2027	<	if (createIncomplete) {
2028	<	checkIncomplete(h);
2029	<	(!fFirst ? f : g).completeExceptionally(ex);
2030	<	}
2031	<
2032	<	checkCompletedWithWrappedCFException(h, ex);
2033	<	r.assertNotInvoked();
2034	<	checkCompletedNormally(fFirst ? f : g, v1);
2035	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
2021	>	final Noop r1 = new Noop(m);
2022	>	final Noop r2 = new Noop(m);
2023	>	final Noop r3 = new Noop(m);
2024	>
2025	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2026	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2027	>	final Callable<Boolean> complete1 = failFirst ?
2028	>	() -> fst.completeExceptionally(ex) :
2029	>	() -> fst.complete(v1);
2030	>	final Callable<Boolean> complete2 = failFirst ?
2031	>	() -> snd.complete(v1) :
2032	>	() -> snd.completeExceptionally(ex);
2033	>
2034	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2035	>	assertTrue(complete1.call());
2036	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2037	>	checkIncomplete(h1);
2038	>	checkIncomplete(h2);
2039	>	assertTrue(complete2.call());
2040	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2041	>
2042	>	checkCompletedWithWrappedException(h1, ex);
2043	>	checkCompletedWithWrappedException(h2, ex);
2044	>	checkCompletedWithWrappedException(h3, ex);
2045	>	r1.assertNotInvoked();
2046	>	r2.assertNotInvoked();
2047	>	r3.assertNotInvoked();
2048	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2049	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2050		}}
2051
2052		/**
2053		* runAfterBoth result completes exceptionally if either source cancelled
2054		*/
2055	<	public void testRunAfterBoth_sourceCancelled() {
2055	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2056		for (ExecutionMode m : ExecutionMode.values())
2057		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1632	–	for (boolean createIncomplete : new boolean[] { true, false })
2058		for (boolean fFirst : new boolean[] { true, false })
2059	+	for (boolean failFirst : new boolean[] { true, false })
2060		for (Integer v1 : new Integer[] { 1, null })
2061		{
2062		final CompletableFuture<Integer> f = new CompletableFuture<>();
2063		final CompletableFuture<Integer> g = new CompletableFuture<>();
2064	<	final Noop r = new Noop(m);
2065	<
2066	<
2067	<	(fFirst ? f : g).complete(v1);
2068	<	if (!createIncomplete)
2069	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2070	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2071	<	if (createIncomplete) {
2072	<	checkIncomplete(h);
2073	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2074	<	}
2064	>	final Noop r1 = new Noop(m);
2065	>	final Noop r2 = new Noop(m);
2066	>	final Noop r3 = new Noop(m);
2067	>
2068	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2069	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2070	>	final Callable<Boolean> complete1 = failFirst ?
2071	>	() -> fst.cancel(mayInterruptIfRunning) :
2072	>	() -> fst.complete(v1);
2073	>	final Callable<Boolean> complete2 = failFirst ?
2074	>	() -> snd.complete(v1) :
2075	>	() -> snd.cancel(mayInterruptIfRunning);
2076	>
2077	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2078	>	assertTrue(complete1.call());
2079	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2080	>	checkIncomplete(h1);
2081	>	checkIncomplete(h2);
2082	>	assertTrue(complete2.call());
2083	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2084
2085	<	checkCompletedWithWrappedCancellationException(h);
2086	<	checkCancelled(!fFirst ? f : g);
2087	<	r.assertNotInvoked();
2088	<	checkCompletedNormally(fFirst ? f : g, v1);
2085	>	checkCompletedWithWrappedCancellationException(h1);
2086	>	checkCompletedWithWrappedCancellationException(h2);
2087	>	checkCompletedWithWrappedCancellationException(h3);
2088	>	r1.assertNotInvoked();
2089	>	r2.assertNotInvoked();
2090	>	r3.assertNotInvoked();
2091	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2092	>	checkCancelled(failFirst ? fst : snd);
2093		}}
2094
2095		/**
#	Line 1666 | Line 2105 | public class CompletableFutureTest exten
2105		final CompletableFuture<Integer> g = new CompletableFuture<>();
2106		final FailingRunnable r1 = new FailingRunnable(m);
2107		final FailingRunnable r2 = new FailingRunnable(m);
2108	+	final FailingRunnable r3 = new FailingRunnable(m);
2109
2110	<	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2111	<	if (fFirst) {
2112	<	f.complete(v1);
2113	<	g.complete(v2);
2114	<	} else {
2115	<	g.complete(v2);
2116	<	f.complete(v1);
2117	<	}
2118	<	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2119	<
2120	<	checkCompletedWithWrappedCFException(h1);
2121	<	checkCompletedWithWrappedCFException(h2);
2110	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2111	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2112	>	final Integer w1 =  fFirst ? v1 : v2;
2113	>	final Integer w2 = !fFirst ? v1 : v2;
2114	>
2115	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2116	>	assertTrue(fst.complete(w1));
2117	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2118	>	assertTrue(snd.complete(w2));
2119	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2120	>
2121	>	checkCompletedWithWrappedException(h1, r1.ex);
2122	>	checkCompletedWithWrappedException(h2, r2.ex);
2123	>	checkCompletedWithWrappedException(h3, r3.ex);
2124	>	r1.assertInvoked();
2125	>	r2.assertInvoked();
2126	>	r3.assertInvoked();
2127		checkCompletedNormally(f, v1);
2128		checkCompletedNormally(g, v2);
2129		}}
#	Line 1752 | Line 2197 | public class CompletableFutureTest exten
2197		rs[0].assertNotInvoked();
2198		rs[1].assertNotInvoked();
2199		f.completeExceptionally(ex);
2200	<	checkCompletedWithWrappedCFException(h0, ex);
2201	<	checkCompletedWithWrappedCFException(h1, ex);
2200	>	checkCompletedWithWrappedException(h0, ex);
2201	>	checkCompletedWithWrappedException(h1, ex);
2202		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2203		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2204	<	checkCompletedWithWrappedCFException(h2, ex);
2205	<	checkCompletedWithWrappedCFException(h3, ex);
2204	>	checkCompletedWithWrappedException(h2, ex);
2205	>	checkCompletedWithWrappedException(h3, ex);
2206		g.complete(v1);
2207
2208		// unspecified behavior - both source completions available
#	Line 1767 | Line 2212 | public class CompletableFutureTest exten
2212		assertEquals(inc(v1), h4.join());
2213		rs[4].assertValue(inc(v1));
2214		} catch (CompletionException ok) {
2215	<	checkCompletedWithWrappedCFException(h4, ex);
2215	>	checkCompletedWithWrappedException(h4, ex);
2216		rs[4].assertNotInvoked();
2217		}
2218		try {
2219		assertEquals(inc(v1), h5.join());
2220		rs[5].assertValue(inc(v1));
2221		} catch (CompletionException ok) {
2222	<	checkCompletedWithWrappedCFException(h5, ex);
2222	>	checkCompletedWithWrappedException(h5, ex);
2223		rs[5].assertNotInvoked();
2224		}
2225
2226	<	checkCompletedWithWrappedCFException(f, ex);
2226	>	checkCompletedExceptionally(f, ex);
2227		checkCompletedNormally(g, v1);
2228	<	checkCompletedWithWrappedCFException(h0, ex);
2229	<	checkCompletedWithWrappedCFException(h1, ex);
2230	<	checkCompletedWithWrappedCFException(h2, ex);
2231	<	checkCompletedWithWrappedCFException(h3, ex);
2232	<	checkCompletedWithWrappedCFException(h4, ex);
2228	>	checkCompletedWithWrappedException(h0, ex);
2229	>	checkCompletedWithWrappedException(h1, ex);
2230	>	checkCompletedWithWrappedException(h2, ex);
2231	>	checkCompletedWithWrappedException(h3, ex);
2232	>	checkCompletedWithWrappedException(h4, ex);
2233		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2234		}}
2235
#	Line 1801 | Line 2246 | public class CompletableFutureTest exten
2246
2247		final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2248		final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2249	<	if (fFirst) {
2250	<	f.complete(v1);
1806	<	g.completeExceptionally(ex);
1807	<	} else {
1808	<	g.completeExceptionally(ex);
1809	<	f.complete(v1);
1810	<	}
2249	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2250	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2251		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2252		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2253
#	Line 1816 | Line 2256 | public class CompletableFutureTest exten
2256		assertEquals(inc(v1), h0.join());
2257		rs[0].assertValue(inc(v1));
2258		} catch (CompletionException ok) {
2259	<	checkCompletedWithWrappedCFException(h0, ex);
2259	>	checkCompletedWithWrappedException(h0, ex);
2260		rs[0].assertNotInvoked();
2261		}
2262		try {
2263		assertEquals(inc(v1), h1.join());
2264		rs[1].assertValue(inc(v1));
2265		} catch (CompletionException ok) {
2266	<	checkCompletedWithWrappedCFException(h1, ex);
2266	>	checkCompletedWithWrappedException(h1, ex);
2267		rs[1].assertNotInvoked();
2268		}
2269		try {
2270		assertEquals(inc(v1), h2.join());
2271		rs[2].assertValue(inc(v1));
2272		} catch (CompletionException ok) {
2273	<	checkCompletedWithWrappedCFException(h2, ex);
2273	>	checkCompletedWithWrappedException(h2, ex);
2274		rs[2].assertNotInvoked();
2275		}
2276		try {
2277		assertEquals(inc(v1), h3.join());
2278		rs[3].assertValue(inc(v1));
2279		} catch (CompletionException ok) {
2280	<	checkCompletedWithWrappedCFException(h3, ex);
2280	>	checkCompletedWithWrappedException(h3, ex);
2281		rs[3].assertNotInvoked();
2282		}
2283
2284		checkCompletedNormally(f, v1);
2285	<	checkCompletedWithWrappedCFException(g, ex);
2285	>	checkCompletedExceptionally(g, ex);
2286		}}
2287
2288		/**
#	Line 1913 | Line 2353 | public class CompletableFutureTest exten
2353
2354		final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2355		final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2356	<	if (fFirst) {
2357	<	f.complete(v1);
1918	<	g.cancel(mayInterruptIfRunning);
1919	<	} else {
1920	<	g.cancel(mayInterruptIfRunning);
1921	<	f.complete(v1);
1922	<	}
2356	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2357	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2358		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2359		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2360
#	Line 1975 | Line 2410 | public class CompletableFutureTest exten
2410		f.complete(v1);
2411		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2412		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2413	<	checkCompletedWithWrappedCFException(h0);
2414	<	checkCompletedWithWrappedCFException(h1);
2415	<	checkCompletedWithWrappedCFException(h2);
2416	<	checkCompletedWithWrappedCFException(h3);
2413	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2414	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2415	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2416	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2417		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2418
2419		g.complete(v2);
#	Line 1987 | Line 2422 | public class CompletableFutureTest exten
2422		final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2423		final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2424
2425	<	checkCompletedWithWrappedCFException(h4);
2425	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2426		assertTrue(Objects.equals(v1, rs[4].value) ||
2427		Objects.equals(v2, rs[4].value));
2428	<	checkCompletedWithWrappedCFException(h5);
2428	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2429		assertTrue(Objects.equals(v1, rs[5].value) ||
2430		Objects.equals(v2, rs[5].value));
2431
#	Line 2071 | Line 2506 | public class CompletableFutureTest exten
2506		rs[0].assertNotInvoked();
2507		rs[1].assertNotInvoked();
2508		f.completeExceptionally(ex);
2509	<	checkCompletedWithWrappedCFException(h0, ex);
2510	<	checkCompletedWithWrappedCFException(h1, ex);
2509	>	checkCompletedWithWrappedException(h0, ex);
2510	>	checkCompletedWithWrappedException(h1, ex);
2511		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2512		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2513	<	checkCompletedWithWrappedCFException(h2, ex);
2514	<	checkCompletedWithWrappedCFException(h3, ex);
2513	>	checkCompletedWithWrappedException(h2, ex);
2514	>	checkCompletedWithWrappedException(h3, ex);
2515
2516		g.complete(v1);
2517
#	Line 2087 | Line 2522 | public class CompletableFutureTest exten
2522		assertNull(h4.join());
2523		rs[4].assertValue(v1);
2524		} catch (CompletionException ok) {
2525	<	checkCompletedWithWrappedCFException(h4, ex);
2525	>	checkCompletedWithWrappedException(h4, ex);
2526		rs[4].assertNotInvoked();
2527		}
2528		try {
2529		assertNull(h5.join());
2530		rs[5].assertValue(v1);
2531		} catch (CompletionException ok) {
2532	<	checkCompletedWithWrappedCFException(h5, ex);
2532	>	checkCompletedWithWrappedException(h5, ex);
2533		rs[5].assertNotInvoked();
2534		}
2535
2536	<	checkCompletedWithWrappedCFException(f, ex);
2536	>	checkCompletedExceptionally(f, ex);
2537		checkCompletedNormally(g, v1);
2538	<	checkCompletedWithWrappedCFException(h0, ex);
2539	<	checkCompletedWithWrappedCFException(h1, ex);
2540	<	checkCompletedWithWrappedCFException(h2, ex);
2541	<	checkCompletedWithWrappedCFException(h3, ex);
2542	<	checkCompletedWithWrappedCFException(h4, ex);
2538	>	checkCompletedWithWrappedException(h0, ex);
2539	>	checkCompletedWithWrappedException(h1, ex);
2540	>	checkCompletedWithWrappedException(h2, ex);
2541	>	checkCompletedWithWrappedException(h3, ex);
2542	>	checkCompletedWithWrappedException(h4, ex);
2543		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2544		}}
2545
2546	+	public void testAcceptEither_exceptionalCompletion2() {
2547	+	for (ExecutionMode m : ExecutionMode.values())
2548	+	for (boolean fFirst : new boolean[] { true, false })
2549	+	for (Integer v1 : new Integer[] { 1, null })
2550	+	{
2551	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
2552	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
2553	+	final CFException ex = new CFException();
2554	+	final NoopConsumer[] rs = new NoopConsumer[6];
2555	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2556	+
2557	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2558	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2559	+	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2560	+	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2561	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2562	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2563	+
2564	+	// unspecified behavior - both source completions available
2565	+	try {
2566	+	assertEquals(null, h0.join());
2567	+	rs[0].assertValue(v1);
2568	+	} catch (CompletionException ok) {
2569	+	checkCompletedWithWrappedException(h0, ex);
2570	+	rs[0].assertNotInvoked();
2571	+	}
2572	+	try {
2573	+	assertEquals(null, h1.join());
2574	+	rs[1].assertValue(v1);
2575	+	} catch (CompletionException ok) {
2576	+	checkCompletedWithWrappedException(h1, ex);
2577	+	rs[1].assertNotInvoked();
2578	+	}
2579	+	try {
2580	+	assertEquals(null, h2.join());
2581	+	rs[2].assertValue(v1);
2582	+	} catch (CompletionException ok) {
2583	+	checkCompletedWithWrappedException(h2, ex);
2584	+	rs[2].assertNotInvoked();
2585	+	}
2586	+	try {
2587	+	assertEquals(null, h3.join());
2588	+	rs[3].assertValue(v1);
2589	+	} catch (CompletionException ok) {
2590	+	checkCompletedWithWrappedException(h3, ex);
2591	+	rs[3].assertNotInvoked();
2592	+	}
2593	+
2594	+	checkCompletedNormally(f, v1);
2595	+	checkCompletedExceptionally(g, ex);
2596	+	}}
2597	+
2598		/**
2599		* acceptEither result completes exceptionally if either source cancelled
2600		*/
#	Line 2182 | Line 2669 | public class CompletableFutureTest exten
2669		f.complete(v1);
2670		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2671		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2672	<	checkCompletedWithWrappedCFException(h0);
2673	<	checkCompletedWithWrappedCFException(h1);
2674	<	checkCompletedWithWrappedCFException(h2);
2675	<	checkCompletedWithWrappedCFException(h3);
2672	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2673	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2674	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2675	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2676		for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2677
2678		g.complete(v2);
#	Line 2194 | Line 2681 | public class CompletableFutureTest exten
2681		final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2682		final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2683
2684	<	checkCompletedWithWrappedCFException(h4);
2684	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2685		assertTrue(Objects.equals(v1, rs[4].value) ||
2686		Objects.equals(v2, rs[4].value));
2687	<	checkCompletedWithWrappedCFException(h5);
2687	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2688		assertTrue(Objects.equals(v1, rs[5].value) ||
2689		Objects.equals(v2, rs[5].value));
2690
#	Line 2273 | Line 2760 | public class CompletableFutureTest exten
2760		checkIncomplete(h1);
2761		rs[0].assertNotInvoked();
2762		rs[1].assertNotInvoked();
2763	<	f.completeExceptionally(ex);
2764	<	checkCompletedWithWrappedCFException(h0, ex);
2765	<	checkCompletedWithWrappedCFException(h1, ex);
2763	>	assertTrue(f.completeExceptionally(ex));
2764	>	checkCompletedWithWrappedException(h0, ex);
2765	>	checkCompletedWithWrappedException(h1, ex);
2766		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2767		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2768	<	checkCompletedWithWrappedCFException(h2, ex);
2769	<	checkCompletedWithWrappedCFException(h3, ex);
2768	>	checkCompletedWithWrappedException(h2, ex);
2769	>	checkCompletedWithWrappedException(h3, ex);
2770
2771	<	g.complete(v1);
2771	>	assertTrue(g.complete(v1));
2772
2773		// unspecified behavior - both source completions available
2774		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
#	Line 2290 | Line 2777 | public class CompletableFutureTest exten
2777		assertNull(h4.join());
2778		rs[4].assertInvoked();
2779		} catch (CompletionException ok) {
2780	<	checkCompletedWithWrappedCFException(h4, ex);
2780	>	checkCompletedWithWrappedException(h4, ex);
2781		rs[4].assertNotInvoked();
2782		}
2783		try {
2784		assertNull(h5.join());
2785		rs[5].assertInvoked();
2786		} catch (CompletionException ok) {
2787	<	checkCompletedWithWrappedCFException(h5, ex);
2787	>	checkCompletedWithWrappedException(h5, ex);
2788		rs[5].assertNotInvoked();
2789		}
2790
2791	<	checkCompletedWithWrappedCFException(f, ex);
2791	>	checkCompletedExceptionally(f, ex);
2792		checkCompletedNormally(g, v1);
2793	<	checkCompletedWithWrappedCFException(h0, ex);
2794	<	checkCompletedWithWrappedCFException(h1, ex);
2795	<	checkCompletedWithWrappedCFException(h2, ex);
2796	<	checkCompletedWithWrappedCFException(h3, ex);
2797	<	checkCompletedWithWrappedCFException(h4, ex);
2793	>	checkCompletedWithWrappedException(h0, ex);
2794	>	checkCompletedWithWrappedException(h1, ex);
2795	>	checkCompletedWithWrappedException(h2, ex);
2796	>	checkCompletedWithWrappedException(h3, ex);
2797	>	checkCompletedWithWrappedException(h4, ex);
2798		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2799		}}
2800
2801	+	public void testRunAfterEither_exceptionalCompletion2() {
2802	+	for (ExecutionMode m : ExecutionMode.values())
2803	+	for (boolean fFirst : new boolean[] { true, false })
2804	+	for (Integer v1 : new Integer[] { 1, null })
2805	+	{
2806	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
2807	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
2808	+	final CFException ex = new CFException();
2809	+	final Noop[] rs = new Noop[6];
2810	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2811	+
2812	+	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2813	+	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2814	+	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2815	+	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2816	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2817	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2818	+
2819	+	// unspecified behavior - both source completions available
2820	+	try {
2821	+	assertEquals(null, h0.join());
2822	+	rs[0].assertInvoked();
2823	+	} catch (CompletionException ok) {
2824	+	checkCompletedWithWrappedException(h0, ex);
2825	+	rs[0].assertNotInvoked();
2826	+	}
2827	+	try {
2828	+	assertEquals(null, h1.join());
2829	+	rs[1].assertInvoked();
2830	+	} catch (CompletionException ok) {
2831	+	checkCompletedWithWrappedException(h1, ex);
2832	+	rs[1].assertNotInvoked();
2833	+	}
2834	+	try {
2835	+	assertEquals(null, h2.join());
2836	+	rs[2].assertInvoked();
2837	+	} catch (CompletionException ok) {
2838	+	checkCompletedWithWrappedException(h2, ex);
2839	+	rs[2].assertNotInvoked();
2840	+	}
2841	+	try {
2842	+	assertEquals(null, h3.join());
2843	+	rs[3].assertInvoked();
2844	+	} catch (CompletionException ok) {
2845	+	checkCompletedWithWrappedException(h3, ex);
2846	+	rs[3].assertNotInvoked();
2847	+	}
2848	+
2849	+	checkCompletedNormally(f, v1);
2850	+	checkCompletedExceptionally(g, ex);
2851	+	}}
2852	+
2853		/**
2854		* runAfterEither result completes exceptionally if either source cancelled
2855		*/
#	Line 2338 | Line 2877 | public class CompletableFutureTest exten
2877		checkCompletedWithWrappedCancellationException(h2);
2878		checkCompletedWithWrappedCancellationException(h3);
2879
2880	<	g.complete(v1);
2880	>	assertTrue(g.complete(v1));
2881
2882		// unspecified behavior - both source completions available
2883		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
#	Line 2382 | Line 2921 | public class CompletableFutureTest exten
2921
2922		final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2923		final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2924	<	f.complete(v1);
2924	>	assertTrue(f.complete(v1));
2925		final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2926		final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2927	<	checkCompletedWithWrappedCFException(h0);
2928	<	checkCompletedWithWrappedCFException(h1);
2929	<	checkCompletedWithWrappedCFException(h2);
2930	<	checkCompletedWithWrappedCFException(h3);
2927	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2928	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2929	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2930	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2931		for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2932	<	g.complete(v2);
2932	>	assertTrue(g.complete(v2));
2933		final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2934		final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2935	<	checkCompletedWithWrappedCFException(h4);
2936	<	checkCompletedWithWrappedCFException(h5);
2935	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2936	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2937
2938		checkCompletedNormally(f, v1);
2939		checkCompletedNormally(g, v2);
#	Line 2411 | Line 2950 | public class CompletableFutureTest exten
2950		{
2951		final CompletableFuture<Integer> f = new CompletableFuture<>();
2952		final CompletableFutureInc r = new CompletableFutureInc(m);
2953	<	if (!createIncomplete) f.complete(v1);
2953	>	if (!createIncomplete) assertTrue(f.complete(v1));
2954		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2955	<	if (createIncomplete) f.complete(v1);
2955	>	if (createIncomplete) assertTrue(f.complete(v1));
2956
2957		checkCompletedNormally(g, inc(v1));
2958		checkCompletedNormally(f, v1);
2959	<	r.assertInvoked();
2959	>	r.assertValue(v1);
2960		}}
2961
2962		/**
#	Line 2435 | Line 2974 | public class CompletableFutureTest exten
2974		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2975		if (createIncomplete) f.completeExceptionally(ex);
2976
2977	<	checkCompletedWithWrappedCFException(g, ex);
2978	<	checkCompletedWithWrappedCFException(f, ex);
2977	>	checkCompletedWithWrappedException(g, ex);
2978	>	checkCompletedExceptionally(f, ex);
2979		r.assertNotInvoked();
2980		}}
2981
#	Line 2451 | Line 2990 | public class CompletableFutureTest exten
2990		final CompletableFuture<Integer> f = new CompletableFuture<>();
2991		final FailingCompletableFutureFunction r
2992		= new FailingCompletableFutureFunction(m);
2993	<	if (!createIncomplete) f.complete(v1);
2993	>	if (!createIncomplete) assertTrue(f.complete(v1));
2994		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2995	<	if (createIncomplete) f.complete(v1);
2995	>	if (createIncomplete) assertTrue(f.complete(v1));
2996
2997	<	checkCompletedWithWrappedCFException(g);
2997	>	checkCompletedWithWrappedException(g, r.ex);
2998		checkCompletedNormally(f, v1);
2999		}}
3000
#	Line 2480 | Line 3019 | public class CompletableFutureTest exten
3019		checkCancelled(f);
3020		}}
3021
3022	+	/**
3023	+	* thenCompose result completes exceptionally if the result of the action does
3024	+	*/
3025	+	public void testThenCompose_actionReturnsFailingFuture() {
3026	+	for (ExecutionMode m : ExecutionMode.values())
3027	+	for (int order = 0; order < 6; order++)
3028	+	for (Integer v1 : new Integer[] { 1, null })
3029	+	{
3030	+	final CFException ex = new CFException();
3031	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
3032	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
3033	+	final CompletableFuture<Integer> h;
3034	+	// Test all permutations of orders
3035	+	switch (order) {
3036	+	case 0:
3037	+	assertTrue(f.complete(v1));
3038	+	assertTrue(g.completeExceptionally(ex));
3039	+	h = m.thenCompose(f, (x -> g));
3040	+	break;
3041	+	case 1:
3042	+	assertTrue(f.complete(v1));
3043	+	h = m.thenCompose(f, (x -> g));
3044	+	assertTrue(g.completeExceptionally(ex));
3045	+	break;
3046	+	case 2:
3047	+	assertTrue(g.completeExceptionally(ex));
3048	+	assertTrue(f.complete(v1));
3049	+	h = m.thenCompose(f, (x -> g));
3050	+	break;
3051	+	case 3:
3052	+	assertTrue(g.completeExceptionally(ex));
3053	+	h = m.thenCompose(f, (x -> g));
3054	+	assertTrue(f.complete(v1));
3055	+	break;
3056	+	case 4:
3057	+	h = m.thenCompose(f, (x -> g));
3058	+	assertTrue(f.complete(v1));
3059	+	assertTrue(g.completeExceptionally(ex));
3060	+	break;
3061	+	case 5:
3062	+	h = m.thenCompose(f, (x -> g));
3063	+	assertTrue(f.complete(v1));
3064	+	assertTrue(g.completeExceptionally(ex));
3065	+	break;
3066	+	default: throw new AssertionError();
3067	+	}
3068	+
3069	+	checkCompletedExceptionally(g, ex);
3070	+	checkCompletedWithWrappedException(h, ex);
3071	+	checkCompletedNormally(f, v1);
3072	+	}}
3073	+
3074		// other static methods
3075
3076		/**
#	Line 2496 | Line 3087 | public class CompletableFutureTest exten
3087		* when all components complete normally
3088		*/
3089		public void testAllOf_normal() throws Exception {
3090	<	for (int k = 1; k < 20; ++k) {
3090	>	for (int k = 1; k < 10; k++) {
3091		CompletableFuture<Integer>[] fs
3092		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3093	<	for (int i = 0; i < k; ++i)
3093	>	for (int i = 0; i < k; i++)
3094		fs[i] = new CompletableFuture<>();
3095		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3096	<	for (int i = 0; i < k; ++i) {
3096	>	for (int i = 0; i < k; i++) {
3097		checkIncomplete(f);
3098		checkIncomplete(CompletableFuture.allOf(fs));
3099		fs[i].complete(one);
#	Line 2512 | Line 3103 | public class CompletableFutureTest exten
3103		}
3104		}
3105
3106	<	public void testAllOf_backwards() throws Exception {
3107	<	for (int k = 1; k < 20; ++k) {
3106	>	public void testAllOf_normal_backwards() throws Exception {
3107	>	for (int k = 1; k < 10; k++) {
3108		CompletableFuture<Integer>[] fs
3109		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3110	<	for (int i = 0; i < k; ++i)
3110	>	for (int i = 0; i < k; i++)
3111		fs[i] = new CompletableFuture<>();
3112		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3113		for (int i = k - 1; i >= 0; i--) {
#	Line 2529 | Line 3120 | public class CompletableFutureTest exten
3120		}
3121		}
3122
3123	+	public void testAllOf_exceptional() throws Exception {
3124	+	for (int k = 1; k < 10; k++) {
3125	+	CompletableFuture<Integer>[] fs
3126	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3127	+	CFException ex = new CFException();
3128	+	for (int i = 0; i < k; i++)
3129	+	fs[i] = new CompletableFuture<>();
3130	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3131	+	for (int i = 0; i < k; i++) {
3132	+	checkIncomplete(f);
3133	+	checkIncomplete(CompletableFuture.allOf(fs));
3134	+	if (i != k / 2) {
3135	+	fs[i].complete(i);
3136	+	checkCompletedNormally(fs[i], i);
3137	+	} else {
3138	+	fs[i].completeExceptionally(ex);
3139	+	checkCompletedExceptionally(fs[i], ex);
3140	+	}
3141	+	}
3142	+	checkCompletedWithWrappedException(f, ex);
3143	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3144	+	}
3145	+	}
3146	+
3147		/**
3148		* anyOf(no component futures) returns an incomplete future
3149		*/
3150		public void testAnyOf_empty() throws Exception {
3151	+	for (Integer v1 : new Integer[] { 1, null })
3152	+	{
3153		CompletableFuture<Object> f = CompletableFuture.anyOf();
3154		checkIncomplete(f);
3155	<	}
3155	>
3156	>	f.complete(v1);
3157	>	checkCompletedNormally(f, v1);
3158	>	}}
3159
3160		/**
3161		* anyOf returns a future completed normally with a value when
3162		* a component future does
3163		*/
3164		public void testAnyOf_normal() throws Exception {
3165	<	for (int k = 0; k < 10; ++k) {
3165	>	for (int k = 0; k < 10; k++) {
3166		CompletableFuture[] fs = new CompletableFuture[k];
3167	<	for (int i = 0; i < k; ++i)
3167	>	for (int i = 0; i < k; i++)
3168		fs[i] = new CompletableFuture<>();
3169		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3170		checkIncomplete(f);
3171	<	for (int i = 0; i < k; ++i) {
3172	<	fs[i].complete(one);
3173	<	checkCompletedNormally(f, one);
3174	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3171	>	for (int i = 0; i < k; i++) {
3172	>	fs[i].complete(i);
3173	>	checkCompletedNormally(f, 0);
3174	>	int x = (int) CompletableFuture.anyOf(fs).join();
3175	>	assertTrue(0 <= x && x <= i);
3176	>	}
3177	>	}
3178	>	}
3179	>	public void testAnyOf_normal_backwards() throws Exception {
3180	>	for (int k = 0; k < 10; k++) {
3181	>	CompletableFuture[] fs = new CompletableFuture[k];
3182	>	for (int i = 0; i < k; i++)
3183	>	fs[i] = new CompletableFuture<>();
3184	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3185	>	checkIncomplete(f);
3186	>	for (int i = k - 1; i >= 0; i--) {
3187	>	fs[i].complete(i);
3188	>	checkCompletedNormally(f, k - 1);
3189	>	int x = (int) CompletableFuture.anyOf(fs).join();
3190	>	assertTrue(i <= x && x <= k - 1);
3191		}
3192		}
3193		}
#	Line 2560 | Line 3196 | public class CompletableFutureTest exten
3196		* anyOf result completes exceptionally when any component does.
3197		*/
3198		public void testAnyOf_exceptional() throws Exception {
3199	<	for (int k = 0; k < 10; ++k) {
3199	>	for (int k = 0; k < 10; k++) {
3200	>	CompletableFuture[] fs = new CompletableFuture[k];
3201	>	CFException[] exs = new CFException[k];
3202	>	for (int i = 0; i < k; i++) {
3203	>	fs[i] = new CompletableFuture<>();
3204	>	exs[i] = new CFException();
3205	>	}
3206	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3207	>	checkIncomplete(f);
3208	>	for (int i = 0; i < k; i++) {
3209	>	fs[i].completeExceptionally(exs[i]);
3210	>	checkCompletedWithWrappedException(f, exs[0]);
3211	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3212	>	}
3213	>	}
3214	>	}
3215	>
3216	>	public void testAnyOf_exceptional_backwards() throws Exception {
3217	>	for (int k = 0; k < 10; k++) {
3218		CompletableFuture[] fs = new CompletableFuture[k];
3219	<	for (int i = 0; i < k; ++i)
3219	>	CFException[] exs = new CFException[k];
3220	>	for (int i = 0; i < k; i++) {
3221		fs[i] = new CompletableFuture<>();
3222	+	exs[i] = new CFException();
3223	+	}
3224		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3225		checkIncomplete(f);
3226	<	for (int i = 0; i < k; ++i) {
3227	<	fs[i].completeExceptionally(new CFException());
3228	<	checkCompletedWithWrappedCFException(f);
3226	>	for (int i = k - 1; i >= 0; i--) {
3227	>	fs[i].completeExceptionally(exs[i]);
3228	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3229		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3230		}
3231		}
#	Line 2581 | Line 3238 | public class CompletableFutureTest exten
3238		CompletableFuture<Integer> f = new CompletableFuture<>();
3239		CompletableFuture<Integer> g = new CompletableFuture<>();
3240		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2584	–	CompletableFuture<?> h;
3241		ThreadExecutor exec = new ThreadExecutor();
3242
3243		Runnable[] throwingActions = {
3244		() -> CompletableFuture.supplyAsync(null),
3245		() -> CompletableFuture.supplyAsync(null, exec),
3246	<	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
3246	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3247
3248		() -> CompletableFuture.runAsync(null),
3249		() -> CompletableFuture.runAsync(null, exec),
#	Line 2678 | Line 3334 | public class CompletableFutureTest exten
3334		() -> CompletableFuture.anyOf(null, f),
3335
3336		() -> f.obtrudeException(null),
3337	+
3338	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3339	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3340	+	() -> CompletableFuture.delayedExecutor(1L, null),
3341	+
3342	+	() -> f.orTimeout(1L, null),
3343	+	() -> f.completeOnTimeout(42, 1L, null),
3344	+
3345	+	() -> CompletableFuture.failedFuture(null),
3346	+	() -> CompletableFuture.failedStage(null),
3347		};
3348
3349		assertThrows(NullPointerException.class, throwingActions);
#	Line 2685 | Line 3351 | public class CompletableFutureTest exten
3351		}
3352
3353		/**
3354	+	* Test submissions to an executor that rejects all tasks.
3355	+	*/
3356	+	public void testRejectingExecutor() {
3357	+	for (Integer v : new Integer[] { 1, null })
3358	+	{
3359	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3360	+
3361	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3362	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3363	+
3364	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3365	+
3366	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3367	+	srcs.add(complete);
3368	+	srcs.add(incomplete);
3369	+
3370	+	for (CompletableFuture<Integer> src : srcs) {
3371	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3372	+	fs.add(src.thenRunAsync(() -> {}, e));
3373	+	fs.add(src.thenAcceptAsync((z) -> {}, e));
3374	+	fs.add(src.thenApplyAsync((z) -> z, e));
3375	+
3376	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3377	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3378	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3379	+
3380	+	fs.add(src.applyToEitherAsync(src, (z) -> z, e));
3381	+	fs.add(src.acceptEitherAsync(src, (z) -> {}, e));
3382	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3383	+
3384	+	fs.add(src.thenComposeAsync((z) -> null, e));
3385	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3386	+	fs.add(src.handleAsync((z, t) -> null, e));
3387	+
3388	+	for (CompletableFuture<?> future : fs) {
3389	+	if (src.isDone())
3390	+	checkCompletedWithWrappedException(future, e.ex);
3391	+	else
3392	+	checkIncomplete(future);
3393	+	}
3394	+	futures.addAll(fs);
3395	+	}
3396	+
3397	+	{
3398	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3399	+
3400	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3401	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3402	+
3403	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3404	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3405	+
3406	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3407	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3408	+
3409	+	for (CompletableFuture<?> future : fs)
3410	+	checkIncomplete(future);
3411	+	futures.addAll(fs);
3412	+	}
3413	+
3414	+	{
3415	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3416	+
3417	+	fs.add(complete.applyToEitherAsync(incomplete, (z) -> z, e));
3418	+	fs.add(incomplete.applyToEitherAsync(complete, (z) -> z, e));
3419	+
3420	+	fs.add(complete.acceptEitherAsync(incomplete, (z) -> {}, e));
3421	+	fs.add(incomplete.acceptEitherAsync(complete, (z) -> {}, e));
3422	+
3423	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3424	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3425	+
3426	+	for (CompletableFuture<?> future : fs)
3427	+	checkCompletedWithWrappedException(future, e.ex);
3428	+	futures.addAll(fs);
3429	+	}
3430	+
3431	+	incomplete.complete(v);
3432	+
3433	+	for (CompletableFuture<?> future : futures)
3434	+	checkCompletedWithWrappedException(future, e.ex);
3435	+
3436	+	assertEquals(futures.size(), e.count.get());
3437	+	}}
3438	+
3439	+	/**
3440	+	* Test submissions to an executor that rejects all tasks, but
3441	+	* should never be invoked because the dependent future is
3442	+	* explicitly completed.
3443	+	*/
3444	+	public void testRejectingExecutorNeverInvoked() {
3445	+	for (Integer v : new Integer[] { 1, null })
3446	+	{
3447	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3448	+
3449	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3450	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3451	+
3452	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3453	+
3454	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3455	+	srcs.add(complete);
3456	+	srcs.add(incomplete);
3457	+
3458	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3459	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3460	+	fs.add(incomplete.thenAcceptAsync((z) -> {}, e));
3461	+	fs.add(incomplete.thenApplyAsync((z) -> z, e));
3462	+
3463	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3464	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3465	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3466	+
3467	+	fs.add(incomplete.applyToEitherAsync(incomplete, (z) -> z, e));
3468	+	fs.add(incomplete.acceptEitherAsync(incomplete, (z) -> {}, e));
3469	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3470	+
3471	+	fs.add(incomplete.thenComposeAsync((z) -> null, e));
3472	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3473	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3474	+
3475	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3476	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3477	+
3478	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3479	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3480	+
3481	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3482	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3483	+
3484	+	for (CompletableFuture<?> future : fs)
3485	+	checkIncomplete(future);
3486	+
3487	+	for (CompletableFuture<?> future : fs)
3488	+	future.complete(null);
3489	+
3490	+	incomplete.complete(v);
3491	+
3492	+	for (CompletableFuture<?> future : fs)
3493	+	checkCompletedNormally(future, null);
3494	+
3495	+	assertEquals(0, e.count.get());
3496	+	}}
3497	+
3498	+	/**
3499		* toCompletableFuture returns this CompletableFuture.
3500		*/
3501		public void testToCompletableFuture() {
#	Line 2692 | Line 3503 | public class CompletableFutureTest exten
3503		assertSame(f, f.toCompletableFuture());
3504		}
3505
3506	+	// jdk9
3507	+
3508		/**
3509	<	* whenComplete action executes on normal completion, propagating
2697	<	* source result.
3509	>	* newIncompleteFuture returns an incomplete CompletableFuture
3510		*/
3511	<	public void testWhenComplete_normalCompletion1() {
2700	<	for (ExecutionMode m : ExecutionMode.values())
2701	<	for (boolean createIncomplete : new boolean[] { true, false })
3511	>	public void testNewIncompleteFuture() {
3512		for (Integer v1 : new Integer[] { 1, null })
3513		{
3514	<	final AtomicInteger a = new AtomicInteger(0);
3515	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3516	<	if (!createIncomplete) f.complete(v1);
3517	<	final CompletableFuture<Integer> g = m.whenComplete
3518	<	(f,
2709	<	(Integer x, Throwable t) -> {
2710	<	threadAssertSame(x, v1);
2711	<	threadAssertNull(t);
2712	<	a.getAndIncrement();
2713	<	});
2714	<	if (createIncomplete) f.complete(v1);
2715	<
2716	<	checkCompletedNormally(g, v1);
3514	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3515	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3516	>	checkIncomplete(f);
3517	>	checkIncomplete(g);
3518	>	f.complete(v1);
3519		checkCompletedNormally(f, v1);
3520	<	assertEquals(1, a.get());
3520	>	checkIncomplete(g);
3521	>	g.complete(v1);
3522	>	checkCompletedNormally(g, v1);
3523	>	assertSame(g.getClass(), CompletableFuture.class);
3524		}}
3525
3526		/**
3527	<	* whenComplete action executes on exceptional completion, propagating
2723	<	* source result.
3527	>	* completedStage returns a completed CompletionStage
3528		*/
3529	<	public void testWhenComplete_exceptionalCompletion() {
3530	<	for (ExecutionMode m : ExecutionMode.values())
3531	<	for (boolean createIncomplete : new boolean[] { true, false })
3529	>	public void testCompletedStage() {
3530	>	AtomicInteger x = new AtomicInteger(0);
3531	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3532	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3533	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3534	>	assertEquals(x.get(), 1);
3535	>	assertNull(r.get());
3536	>	}
3537	>
3538	>	/**
3539	>	* defaultExecutor by default returns the commonPool if
3540	>	* it supports more than one thread.
3541	>	*/
3542	>	public void testDefaultExecutor() {
3543	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3544	>	Executor e = f.defaultExecutor();
3545	>	Executor c = ForkJoinPool.commonPool();
3546	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3547	>	assertSame(e, c);
3548	>	else
3549	>	assertNotSame(e, c);
3550	>	}
3551	>
3552	>	/**
3553	>	* failedFuture returns a CompletableFuture completed
3554	>	* exceptionally with the given Exception
3555	>	*/
3556	>	public void testFailedFuture() {
3557	>	CFException ex = new CFException();
3558	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3559	>	checkCompletedExceptionally(f, ex);
3560	>	}
3561	>
3562	>	/**
3563	>	* failedFuture(null) throws NPE
3564	>	*/
3565	>	public void testFailedFuture_null() {
3566	>	try {
3567	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3568	>	shouldThrow();
3569	>	} catch (NullPointerException success) {}
3570	>	}
3571	>
3572	>	/**
3573	>	* copy returns a CompletableFuture that is completed normally,
3574	>	* with the same value, when source is.
3575	>	*/
3576	>	public void testCopy() {
3577	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3578	>	CompletableFuture<Integer> g = f.copy();
3579	>	checkIncomplete(f);
3580	>	checkIncomplete(g);
3581	>	f.complete(1);
3582	>	checkCompletedNormally(f, 1);
3583	>	checkCompletedNormally(g, 1);
3584	>	}
3585	>
3586	>	/**
3587	>	* copy returns a CompletableFuture that is completed exceptionally
3588	>	* when source is.
3589	>	*/
3590	>	public void testCopy2() {
3591	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3592	>	CompletableFuture<Integer> g = f.copy();
3593	>	checkIncomplete(f);
3594	>	checkIncomplete(g);
3595	>	CFException ex = new CFException();
3596	>	f.completeExceptionally(ex);
3597	>	checkCompletedExceptionally(f, ex);
3598	>	checkCompletedWithWrappedException(g, ex);
3599	>	}
3600	>
3601	>	/**
3602	>	* minimalCompletionStage returns a CompletableFuture that is
3603	>	* completed normally, with the same value, when source is.
3604	>	*/
3605	>	public void testMinimalCompletionStage() {
3606	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3607	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3608	>	AtomicInteger x = new AtomicInteger(0);
3609	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3610	>	checkIncomplete(f);
3611	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3612	>	f.complete(1);
3613	>	checkCompletedNormally(f, 1);
3614	>	assertEquals(x.get(), 1);
3615	>	assertNull(r.get());
3616	>	}
3617	>
3618	>	/**
3619	>	* minimalCompletionStage returns a CompletableFuture that is
3620	>	* completed exceptionally when source is.
3621	>	*/
3622	>	public void testMinimalCompletionStage2() {
3623	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3624	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3625	>	AtomicInteger x = new AtomicInteger(0);
3626	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3627	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3628	>	checkIncomplete(f);
3629	>	CFException ex = new CFException();
3630	>	f.completeExceptionally(ex);
3631	>	checkCompletedExceptionally(f, ex);
3632	>	assertEquals(x.get(), 0);
3633	>	assertEquals(r.get().getCause(), ex);
3634	>	}
3635	>
3636	>	/**
3637	>	* failedStage returns a CompletionStage completed
3638	>	* exceptionally with the given Exception
3639	>	*/
3640	>	public void testFailedStage() {
3641	>	CFException ex = new CFException();
3642	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3643	>	AtomicInteger x = new AtomicInteger(0);
3644	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3645	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3646	>	assertEquals(x.get(), 0);
3647	>	assertEquals(r.get(), ex);
3648	>	}
3649	>
3650	>	/**
3651	>	* completeAsync completes with value of given supplier
3652	>	*/
3653	>	public void testCompleteAsync() {
3654		for (Integer v1 : new Integer[] { 1, null })
3655		{
3656	<	final AtomicInteger a = new AtomicInteger(0);
3657	<	final CFException ex = new CFException();
3658	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3659	<	if (!createIncomplete) f.completeExceptionally(ex);
2734	<	final CompletableFuture<Integer> g = m.whenComplete
2735	<	(f,
2736	<	(Integer x, Throwable t) -> {
2737	<	threadAssertNull(x);
2738	<	threadAssertSame(t, ex);
2739	<	a.getAndIncrement();
2740	<	});
2741	<	if (createIncomplete) f.completeExceptionally(ex);
2742	<	checkCompletedWithWrappedCFException(f, ex);
2743	<	checkCompletedWithWrappedCFException(g, ex);
2744	<	assertEquals(1, a.get());
3656	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3657	>	f.completeAsync(() -> v1);
3658	>	f.join();
3659	>	checkCompletedNormally(f, v1);
3660		}}
3661
3662		/**
3663	<	* whenComplete action executes on cancelled source, propagating
2749	<	* CancellationException.
3663	>	* completeAsync completes exceptionally if given supplier throws
3664		*/
3665	<	public void testWhenComplete_sourceCancelled() {
3666	<	for (ExecutionMode m : ExecutionMode.values())
3667	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3668	<	for (boolean createIncomplete : new boolean[] { true, false })
3665	>	public void testCompleteAsync2() {
3666	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3667	>	CFException ex = new CFException();
3668	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3669	>	try {
3670	>	f.join();
3671	>	shouldThrow();
3672	>	} catch (CompletionException success) {}
3673	>	checkCompletedWithWrappedException(f, ex);
3674	>	}
3675	>
3676	>	/**
3677	>	* completeAsync with given executor completes with value of given supplier
3678	>	*/
3679	>	public void testCompleteAsync3() {
3680	>	for (Integer v1 : new Integer[] { 1, null })
3681		{
3682	<	final AtomicInteger a = new AtomicInteger(0);
3683	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3684	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3685	<	final CompletableFuture<Integer> g = m.whenComplete
3686	<	(f,
3687	<	(Integer x, Throwable t) -> {
3688	<	threadAssertNull(x);
2763	<	threadAssertTrue(t instanceof CancellationException);
2764	<	a.getAndIncrement();
2765	<	});
2766	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3682	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3683	>	ThreadExecutor executor = new ThreadExecutor();
3684	>	f.completeAsync(() -> v1, executor);
3685	>	assertSame(v1, f.join());
3686	>	checkCompletedNormally(f, v1);
3687	>	assertEquals(1, executor.count.get());
3688	>	}}
3689
3690	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3691	<	checkCompletedWithWrappedCancellationException(g);
3692	<	checkCancelled(f);
3693	<	assertEquals(1, a.get());
3690	>	/**
3691	>	* completeAsync with given executor completes exceptionally if
3692	>	* given supplier throws
3693	>	*/
3694	>	public void testCompleteAsync4() {
3695	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3696	>	CFException ex = new CFException();
3697	>	ThreadExecutor executor = new ThreadExecutor();
3698	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3699	>	try {
3700	>	f.join();
3701	>	shouldThrow();
3702	>	} catch (CompletionException success) {}
3703	>	checkCompletedWithWrappedException(f, ex);
3704	>	assertEquals(1, executor.count.get());
3705	>	}
3706	>
3707	>	/**
3708	>	* orTimeout completes with TimeoutException if not complete
3709	>	*/
3710	>	public void testOrTimeout_timesOut() {
3711	>	long timeoutMillis = timeoutMillis();
3712	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3713	>	long startTime = System.nanoTime();
3714	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3715	>	checkCompletedWithTimeoutException(f);
3716	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3717	>	}
3718	>
3719	>	/**
3720	>	* orTimeout completes normally if completed before timeout
3721	>	*/
3722	>	public void testOrTimeout_completed() {
3723	>	for (Integer v1 : new Integer[] { 1, null })
3724	>	{
3725	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3726	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3727	>	long startTime = System.nanoTime();
3728	>	f.complete(v1);
3729	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3730	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3731	>	g.complete(v1);
3732	>	checkCompletedNormally(f, v1);
3733	>	checkCompletedNormally(g, v1);
3734	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3735		}}
3736
3737		/**
3738	<	* If a whenComplete action throws an exception when triggered by
2776	<	* a normal completion, it completes exceptionally
3738	>	* completeOnTimeout completes with given value if not complete
3739		*/
3740	<	public void testWhenComplete_actionFailed() {
3741	<	for (boolean createIncomplete : new boolean[] { true, false })
3742	<	for (ExecutionMode m : ExecutionMode.values())
3740	>	public void testCompleteOnTimeout_timesOut() {
3741	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3742	>	() -> testCompleteOnTimeout_timesOut(null));
3743	>	}
3744	>
3745	>	/**
3746	>	* completeOnTimeout completes with given value if not complete
3747	>	*/
3748	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3749	>	long timeoutMillis = timeoutMillis();
3750	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3751	>	long startTime = System.nanoTime();
3752	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3753	>	assertSame(v, f.join());
3754	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3755	>	f.complete(99);         // should have no effect
3756	>	checkCompletedNormally(f, v);
3757	>	}
3758	>
3759	>	/**
3760	>	* completeOnTimeout has no effect if completed within timeout
3761	>	*/
3762	>	public void testCompleteOnTimeout_completed() {
3763		for (Integer v1 : new Integer[] { 1, null })
3764		{
3765	<	final AtomicInteger a = new AtomicInteger(0);
3766	<	final CFException ex = new CFException();
3767	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3768	<	if (!createIncomplete) f.complete(v1);
3769	<	final CompletableFuture<Integer> g = m.whenComplete
3770	<	(f,
3771	<	(Integer x, Throwable t) -> {
2790	<	threadAssertSame(x, v1);
2791	<	threadAssertNull(t);
2792	<	a.getAndIncrement();
2793	<	throw ex;
2794	<	});
2795	<	if (createIncomplete) f.complete(v1);
3765	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3766	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3767	>	long startTime = System.nanoTime();
3768	>	f.complete(v1);
3769	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3770	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3771	>	g.complete(v1);
3772		checkCompletedNormally(f, v1);
3773	<	checkCompletedWithWrappedCFException(g, ex);
3774	<	assertEquals(1, a.get());
3773	>	checkCompletedNormally(g, v1);
3774	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3775		}}
3776
3777		/**
3778	<	* If a whenComplete action throws an exception when triggered by
2803	<	* a source completion that also throws an exception, the source
2804	<	* exception takes precedence.
3778	>	* delayedExecutor returns an executor that delays submission
3779		*/
3780	<	public void testWhenComplete_actionFailedSourceFailed() {
3781	<	for (boolean createIncomplete : new boolean[] { true, false })
3780	>	public void testDelayedExecutor() {
3781	>	testInParallel(() -> testDelayedExecutor(null, null),
3782	>	() -> testDelayedExecutor(null, 1),
3783	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3784	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3785	>	}
3786	>
3787	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3788	>	long timeoutMillis = timeoutMillis();
3789	>	// Use an "unreasonably long" long timeout to catch lingering threads
3790	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3791	>	final Executor delayer, longDelayer;
3792	>	if (executor == null) {
3793	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3794	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3795	>	} else {
3796	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3797	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3798	>	}
3799	>	long startTime = System.nanoTime();
3800	>	CompletableFuture<Integer> f =
3801	>	CompletableFuture.supplyAsync(() -> v, delayer);
3802	>	CompletableFuture<Integer> g =
3803	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3804	>
3805	>	assertNull(g.getNow(null));
3806	>
3807	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3808	>	long millisElapsed = millisElapsedSince(startTime);
3809	>	assertTrue(millisElapsed >= timeoutMillis);
3810	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3811	>
3812	>	checkCompletedNormally(f, v);
3813	>
3814	>	checkIncomplete(g);
3815	>	assertTrue(g.cancel(true));
3816	>	}
3817	>
3818	>	//--- tests of implementation details; not part of official tck ---
3819	>
3820	>	Object resultOf(CompletableFuture<?> f) {
3821	>	SecurityManager sm = System.getSecurityManager();
3822	>	if (sm != null) {
3823	>	try {
3824	>	System.setSecurityManager(null);
3825	>	} catch (SecurityException giveUp) {
3826	>	return "Reflection not available";
3827	>	}
3828	>	}
3829	>
3830	>	try {
3831	>	java.lang.reflect.Field resultField
3832	>	= CompletableFuture.class.getDeclaredField("result");
3833	>	resultField.setAccessible(true);
3834	>	return resultField.get(f);
3835	>	} catch (Throwable t) {
3836	>	throw new AssertionError(t);
3837	>	} finally {
3838	>	if (sm != null) System.setSecurityManager(sm);
3839	>	}
3840	>	}
3841	>
3842	>	public void testExceptionPropagationReusesResultObject() {
3843	>	if (!testImplementationDetails) return;
3844		for (ExecutionMode m : ExecutionMode.values())
2809	–	for (Integer v1 : new Integer[] { 1, null })
3845		{
3846	<	final AtomicInteger a = new AtomicInteger(0);
3847	<	final CFException ex1 = new CFException();
3848	<	final CFException ex2 = new CFException();
2814	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3846	>	final CFException ex = new CFException();
3847	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3848	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3849
3850	<	if (!createIncomplete) f.completeExceptionally(ex1);
3851	<	final CompletableFuture<Integer> g = m.whenComplete
2818	<	(f,
2819	<	(Integer x, Throwable t) -> {
2820	<	threadAssertSame(t, ex1);
2821	<	threadAssertNull(x);
2822	<	a.getAndIncrement();
2823	<	throw ex2;
2824	<	});
2825	<	if (createIncomplete) f.completeExceptionally(ex1);
3850	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3851	>	= new ArrayList<>();
3852
3853	<	checkCompletedWithWrappedCFException(f, ex1);
3854	<	checkCompletedWithWrappedCFException(g, ex1);
3855	<	assertEquals(1, a.get());
3853	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3854	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3855	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3856	>
3857	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3858	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3859	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3860	>
3861	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3862	>	funs.add((y) -> m.runAfterBoth(v42, y, new Noop(m)));
3863	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3864	>	funs.add((y) -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3865	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3866	>	funs.add((y) -> m.thenCombine(v42, y, new SubtractFunction(m)));
3867	>
3868	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3869	>
3870	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3871	>
3872	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y}));
3873	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3874	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {v42, y}));
3875	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y}));
3876	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3877	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {incomplete, y}));
3878	>
3879	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3880	>	fun : funs) {
3881	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3882	>	f.completeExceptionally(ex);
3883	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3884	>	checkCompletedWithWrappedException(src, ex);
3885	>	CompletableFuture<?> dep = fun.apply(src);
3886	>	checkCompletedWithWrappedException(dep, ex);
3887	>	assertSame(resultOf(src), resultOf(dep));
3888	>	}
3889	>
3890	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3891	>	fun : funs) {
3892	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3893	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3894	>	CompletableFuture<?> dep = fun.apply(src);
3895	>	f.completeExceptionally(ex);
3896	>	checkCompletedWithWrappedException(src, ex);
3897	>	checkCompletedWithWrappedException(dep, ex);
3898	>	assertSame(resultOf(src), resultOf(dep));
3899	>	}
3900	>
3901	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3902	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3903	>	fun : funs) {
3904	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3905	>	f.cancel(mayInterruptIfRunning);
3906	>	checkCancelled(f);
3907	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3908	>	checkCompletedWithWrappedCancellationException(src);
3909	>	CompletableFuture<?> dep = fun.apply(src);
3910	>	checkCompletedWithWrappedCancellationException(dep);
3911	>	assertSame(resultOf(src), resultOf(dep));
3912	>	}
3913	>
3914	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3915	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3916	>	fun : funs) {
3917	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3918	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3919	>	CompletableFuture<?> dep = fun.apply(src);
3920	>	f.cancel(mayInterruptIfRunning);
3921	>	checkCancelled(f);
3922	>	checkCompletedWithWrappedCancellationException(src);
3923	>	checkCompletedWithWrappedCancellationException(dep);
3924	>	assertSame(resultOf(src), resultOf(dep));
3925	>	}
3926		}}
3927
3928	+	/**
3929	+	* Minimal completion stages throw UOE for all non-CompletionStage methods
3930	+	*/
3931	+	public void testMinimalCompletionStage_minimality() {
3932	+	if (!testImplementationDetails) return;
3933	+	Function<Method, String> toSignature =
3934	+	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3935	+	Predicate<Method> isNotStatic =
3936	+	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3937	+	List<Method> minimalMethods =
3938	+	Stream.of(Object.class, CompletionStage.class)
3939	+	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3940	+	.filter(isNotStatic)
3941	+	.collect(Collectors.toList());
3942	+	// Methods from CompletableFuture permitted NOT to throw UOE
3943	+	String[] signatureWhitelist = {
3944	+	"newIncompleteFuture[]",
3945	+	"defaultExecutor[]",
3946	+	"minimalCompletionStage[]",
3947	+	"copy[]",
3948	+	};
3949	+	Set<String> permittedMethodSignatures =
3950	+	Stream.concat(minimalMethods.stream().map(toSignature),
3951	+	Stream.of(signatureWhitelist))
3952	+	.collect(Collectors.toSet());
3953	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3954	+	.filter(isNotStatic)
3955	+	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3956	+	.collect(Collectors.toList());
3957	+
3958	+	CompletionStage<Integer> minimalStage =
3959	+	new CompletableFuture<Integer>().minimalCompletionStage();
3960	+
3961	+	List<Method> bugs = new ArrayList<>();
3962	+	for (Method method : allMethods) {
3963	+	Class<?>[] parameterTypes = method.getParameterTypes();
3964	+	Object[] args = new Object[parameterTypes.length];
3965	+	// Manufacture boxed primitives for primitive params
3966	+	for (int i = 0; i < args.length; i++) {
3967	+	Class<?> type = parameterTypes[i];
3968	+	if (parameterTypes[i] == boolean.class)
3969	+	args[i] = false;
3970	+	else if (parameterTypes[i] == int.class)
3971	+	args[i] = 0;
3972	+	else if (parameterTypes[i] == long.class)
3973	+	args[i] = 0L;
3974	+	}
3975	+	try {
3976	+	method.invoke(minimalStage, args);
3977	+	bugs.add(method);
3978	+	}
3979	+	catch (java.lang.reflect.InvocationTargetException expected) {
3980	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3981	+	bugs.add(method);
3982	+	// expected.getCause().printStackTrace();
3983	+	}
3984	+	}
3985	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3986	+	}
3987	+	if (!bugs.isEmpty())
3988	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3989	+	}
3990	+
3991	+	static class Monad {
3992	+	static class ZeroException extends RuntimeException {
3993	+	public ZeroException() { super("monadic zero"); }
3994	+	}
3995	+	// "return", "unit"
3996	+	static <T> CompletableFuture<T> unit(T value) {
3997	+	return completedFuture(value);
3998	+	}
3999	+	// monadic zero ?
4000	+	static <T> CompletableFuture<T> zero() {
4001	+	return failedFuture(new ZeroException());
4002	+	}
4003	+	// >=>
4004	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
4005	+	(Function<T, CompletableFuture<U>> f,
4006	+	Function<U, CompletableFuture<V>> g) {
4007	+	return (x) -> f.apply(x).thenCompose(g);
4008	+	}
4009	+
4010	+	static void assertZero(CompletableFuture<?> f) {
4011	+	try {
4012	+	f.getNow(null);
4013	+	throw new AssertionFailedError("should throw");
4014	+	} catch (CompletionException success) {
4015	+	assertTrue(success.getCause() instanceof ZeroException);
4016	+	}
4017	+	}
4018	+
4019	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4020	+	CompletableFuture<T> g) {
4021	+	T fval = null, gval = null;
4022	+	Throwable fex = null, gex = null;
4023	+
4024	+	try { fval = f.get(); }
4025	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4026	+	catch (Throwable ex) { fex = ex; }
4027	+
4028	+	try { gval = g.get(); }
4029	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4030	+	catch (Throwable ex) { gex = ex; }
4031	+
4032	+	if (fex != null || gex != null)
4033	+	assertSame(fex.getClass(), gex.getClass());
4034	+	else
4035	+	assertEquals(fval, gval);
4036	+	}
4037	+
4038	+	static class PlusFuture<T> extends CompletableFuture<T> {
4039	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4040	+	}
4041	+
4042	+	/** Implements "monadic plus". */
4043	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4044	+	CompletableFuture<? extends T> g) {
4045	+	PlusFuture<T> plus = new PlusFuture<T>();
4046	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4047	+	try {
4048	+	if (ex == null) {
4049	+	if (plus.complete(result))
4050	+	if (plus.firstFailure.get() != null)
4051	+	plus.firstFailure.set(null);
4052	+	}
4053	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4054	+	if (plus.isDone())
4055	+	plus.firstFailure.set(null);
4056	+	}
4057	+	else {
4058	+	// first failure has precedence
4059	+	Throwable first = plus.firstFailure.getAndSet(null);
4060	+
4061	+	// may fail with "Self-suppression not permitted"
4062	+	try { first.addSuppressed(ex); }
4063	+	catch (Exception ignored) {}
4064	+
4065	+	plus.completeExceptionally(first);
4066	+	}
4067	+	} catch (Throwable unexpected) {
4068	+	plus.completeExceptionally(unexpected);
4069	+	}
4070	+	};
4071	+	f.whenComplete(action);
4072	+	g.whenComplete(action);
4073	+	return plus;
4074	+	}
4075	+	}
4076	+
4077	+	/**
4078	+	* CompletableFuture is an additive monad - sort of.
4079	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4080	+	*/
4081	+	public void testAdditiveMonad() throws Throwable {
4082	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4083	+	CompletableFuture<Long> zero = Monad.zero();
4084	+
4085	+	// Some mutually non-commutative functions
4086	+	Function<Long, CompletableFuture<Long>> triple
4087	+	= (x) -> Monad.unit(3 * x);
4088	+	Function<Long, CompletableFuture<Long>> inc
4089	+	= (x) -> Monad.unit(x + 1);
4090	+
4091	+	// unit is a right identity: m >>= unit === m
4092	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4093	+	inc.apply(5L));
4094	+	// unit is a left identity: (unit x) >>= f === f x
4095	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4096	+	inc.apply(5L));
4097	+
4098	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4099	+	Monad.assertFutureEquals(
4100	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4101	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
4102	+
4103	+	// The case for CompletableFuture as an additive monad is weaker...
4104	+
4105	+	// zero is a monadic zero
4106	+	Monad.assertZero(zero);
4107	+
4108	+	// left zero: zero >>= f === zero
4109	+	Monad.assertZero(zero.thenCompose(inc));
4110	+	// right zero: f >>= (\x -> zero) === zero
4111	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
4112	+
4113	+	// f plus zero === f
4114	+	Monad.assertFutureEquals(Monad.unit(5L),
4115	+	Monad.plus(Monad.unit(5L), zero));
4116	+	// zero plus f === f
4117	+	Monad.assertFutureEquals(Monad.unit(5L),
4118	+	Monad.plus(zero, Monad.unit(5L)));
4119	+	// zero plus zero === zero
4120	+	Monad.assertZero(Monad.plus(zero, zero));
4121	+	{
4122	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4123	+	Monad.unit(8L));
4124	+	// non-determinism
4125	+	assertTrue(f.get() == 5L || f.get() == 8L);
4126	+	}
4127	+
4128	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4129	+	// f plus godot === f (doesn't wait for godot)
4130	+	Monad.assertFutureEquals(Monad.unit(5L),
4131	+	Monad.plus(Monad.unit(5L), godot));
4132	+	// godot plus f === f (doesn't wait for godot)
4133	+	Monad.assertFutureEquals(Monad.unit(5L),
4134	+	Monad.plus(godot, Monad.unit(5L)));
4135	+	}
4136	+
4137	+	/**
4138	+	* A single CompletableFuture with many dependents.
4139	+	* A demo of scalability - runtime is O(n).
4140	+	*/
4141	+	public void testManyDependents() throws Throwable {
4142	+	final int n = expensiveTests ? 1_000_000 : 10;
4143	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4144	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4145	+	final AtomicInteger count = new AtomicInteger(0);
4146	+	for (int i = 0; i < n; i++) {
4147	+	head.thenRun(() -> count.getAndIncrement());
4148	+	head.thenAccept((x) -> count.getAndIncrement());
4149	+	head.thenApply((x) -> count.getAndIncrement());
4150	+
4151	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4152	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4153	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4154	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4155	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4156	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4157	+
4158	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4159	+	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
4160	+	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
4161	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4162	+	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
4163	+	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
4164	+	}
4165	+	head.complete(null);
4166	+	assertEquals(5 * 3 * n, count.get());
4167	+	}
4168	+
4169	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck */
4170	+	public void testCoCompletionGarbageRetention() throws Throwable {
4171	+	final int n = expensiveTests ? 1_000_000 : 10;
4172	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4173	+	CompletableFuture<Integer> f;
4174	+	for (int i = 0; i < n; i++) {
4175	+	f = new CompletableFuture<>();
4176	+	f.runAfterEither(incomplete, () -> {});
4177	+	f.complete(null);
4178	+
4179	+	f = new CompletableFuture<>();
4180	+	f.acceptEither(incomplete, (x) -> {});
4181	+	f.complete(null);
4182	+
4183	+	f = new CompletableFuture<>();
4184	+	f.applyToEither(incomplete, (x) -> x);
4185	+	f.complete(null);
4186	+
4187	+	f = new CompletableFuture<>();
4188	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4189	+	f.complete(null);
4190	+	}
4191	+
4192	+	for (int i = 0; i < n; i++) {
4193	+	f = new CompletableFuture<>();
4194	+	incomplete.runAfterEither(f, () -> {});
4195	+	f.complete(null);
4196	+
4197	+	f = new CompletableFuture<>();
4198	+	incomplete.acceptEither(f, (x) -> {});
4199	+	f.complete(null);
4200	+
4201	+	f = new CompletableFuture<>();
4202	+	incomplete.applyToEither(f, (x) -> x);
4203	+	f.complete(null);
4204	+
4205	+	f = new CompletableFuture<>();
4206	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4207	+	f.complete(null);
4208	+	}
4209	+	}
4210	+
4211	+	/*
4212	+	* Tests below currently fail in stress mode due to memory retention.
4213	+	* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest tck
4214	+	*/
4215	+
4216	+	/** Checks for garbage retention with anyOf. */
4217	+	public void testAnyOfGarbageRetention() throws Throwable {
4218	+	for (Integer v : new Integer[] { 1, null })
4219	+	{
4220	+	final int n = expensiveTests ? 100_000 : 10;
4221	+	CompletableFuture<Integer>[] fs
4222	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4223	+	for (int i = 0; i < fs.length; i++)
4224	+	fs[i] = new CompletableFuture<>();
4225	+	fs[fs.length - 1].complete(v);
4226	+	for (int i = 0; i < n; i++)
4227	+	checkCompletedNormally(CompletableFuture.anyOf(fs), v);
4228	+	}}
4229	+
4230	+	/** Checks for garbage retention with allOf. */
4231	+	public void testCancelledAllOfGarbageRetention() throws Throwable {
4232	+	final int n = expensiveTests ? 100_000 : 10;
4233	+	CompletableFuture<Integer>[] fs
4234	+	= (CompletableFuture<Integer>[]) new CompletableFuture<?>[100];
4235	+	for (int i = 0; i < fs.length; i++)
4236	+	fs[i] = new CompletableFuture<>();
4237	+	for (int i = 0; i < n; i++)
4238	+	assertTrue(CompletableFuture.allOf(fs).cancel(false));
4239	+	}
4240	+
4241	+	//     static <U> U join(CompletionStage<U> stage) {
4242	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4243	+	//         stage.whenComplete((v, ex) -> {
4244	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4245	+	//         });
4246	+	//         return f.join();
4247	+	//     }
4248	+
4249	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4250	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4251	+	//         stage.whenComplete((v, ex) -> {
4252	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4253	+	//         });
4254	+	//         return f.isDone();
4255	+	//     }
4256	+
4257	+	//     static <U> U join2(CompletionStage<U> stage) {
4258	+	//         return stage.toCompletableFuture().copy().join();
4259	+	//     }
4260	+
4261	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4262	+	//         return stage.toCompletableFuture().copy().isDone();
4263	+	//     }
4264	+
4265		}

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