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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.64 by jsr166, Fri Jun 6 17:08:48 2014 UTC vs.
Revision 1.130 by jsr166, Sun Nov 15 17:21:44 2015 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	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.TimeoutException;
34	+	import java.util.concurrent.TimeUnit;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	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;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
30	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.AssertionFailedError;
45	+	import junit.framework.Test;
46	+	import junit.framework.TestSuite;
47
48		public class CompletableFutureTest extends JSR166TestCase {
49
50		public static void main(String[] args) {
51	<	junit.textui.TestRunner.run(suite());
51	>	main(suite(), args);
52		}
53		public static Test suite() {
54		return new TestSuite(CompletableFutureTest.class);
#	Line 44 | Line 59 | public class CompletableFutureTest exten
59		void checkIncomplete(CompletableFuture<?> f) {
60		assertFalse(f.isDone());
61		assertFalse(f.isCancelled());
62	<	assertTrue(f.toString().contains("[Not completed]"));
62	>	assertTrue(f.toString().contains("Not completed"));
63		try {
64		assertNull(f.getNow(null));
65		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 57 | Line 72 | public class CompletableFutureTest exten
72		}
73
74		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
75	<	try {
76	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
62	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 75 | Line 89 | public class CompletableFutureTest exten
89		assertTrue(f.toString().contains("[Completed normally]"));
90		}
91
92	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
93	<	try {
94	<	f.get(LONG_DELAY_MS, MILLISECONDS);
95	<	shouldThrow();
96	<	} catch (ExecutionException success) {
97	<	assertTrue(success.getCause() instanceof CFException);
98	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
99	<	try {
100	<	f.join();
101	<	shouldThrow();
102	<	} catch (CompletionException success) {
103	<	assertTrue(success.getCause() instanceof CFException);
104	<	}
105	<	try {
106	<	f.getNow(null);
107	<	shouldThrow();
108	<	} catch (CompletionException success) {
95	<	assertTrue(success.getCause() instanceof CFException);
92	>	/**
93	>	* Returns the "raw" internal exceptional completion of f,
94	>	* without any additional wrapping with CompletionException.
95	>	*/
96	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
97	>	// handle (and whenComplete) can distinguish between "direct"
98	>	// and "wrapped" exceptional completion
99	>	return f.handle((U u, Throwable t) -> t).join();
100	>	}
101	>
102	>	void checkCompletedExceptionally(CompletableFuture<?> f,
103	>	boolean wrapped,
104	>	Consumer<Throwable> checker) {
105	>	Throwable cause = exceptionalCompletion(f);
106	>	if (wrapped) {
107	>	assertTrue(cause instanceof CompletionException);
108	>	cause = cause.getCause();
109		}
110	<	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	<	}
110	>	checker.accept(cause);
111
112	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
109	<	CFException ex) {
112	>	long startTime = System.nanoTime();
113		try {
114		f.get(LONG_DELAY_MS, MILLISECONDS);
115		shouldThrow();
116		} catch (ExecutionException success) {
117	<	assertSame(ex, success.getCause());
117	>	assertSame(cause, success.getCause());
118		} catch (Throwable fail) { threadUnexpectedException(fail); }
119	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
120	+
121		try {
122		f.join();
123		shouldThrow();
124		} catch (CompletionException success) {
125	<	assertSame(ex, success.getCause());
126	<	}
125	>	assertSame(cause, success.getCause());
126	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
127	>
128		try {
129		f.getNow(null);
130		shouldThrow();
131		} catch (CompletionException success) {
132	<	assertSame(ex, success.getCause());
133	<	}
132	>	assertSame(cause, success.getCause());
133	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
134	>
135		try {
136		f.get();
137		shouldThrow();
138		} catch (ExecutionException success) {
139	<	assertSame(ex, success.getCause());
139	>	assertSame(cause, success.getCause());
140		} catch (Throwable fail) { threadUnexpectedException(fail); }
141	<	assertTrue(f.isDone());
141	>
142		assertFalse(f.isCancelled());
143	+	assertTrue(f.isDone());
144	+	assertTrue(f.isCompletedExceptionally());
145		assertTrue(f.toString().contains("[Completed exceptionally]"));
146		}
147
148	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
149	+	checkCompletedExceptionally(f, true,
150	+	(t) -> assertTrue(t instanceof CFException));
151	+	}
152	+
153	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
154	+	checkCompletedExceptionally(f, true,
155	+	(t) -> assertTrue(t instanceof CancellationException));
156	+	}
157	+
158	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
159	+	checkCompletedExceptionally(f, false,
160	+	(t) -> assertTrue(t instanceof TimeoutException));
161	+	}
162	+
163	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
164	+	Throwable ex) {
165	+	checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex));
166	+	}
167	+
168	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
169	+	checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex));
170	+	}
171	+
172		void checkCancelled(CompletableFuture<?> f) {
173	+	long startTime = System.nanoTime();
174		try {
175		f.get(LONG_DELAY_MS, MILLISECONDS);
176		shouldThrow();
177		} catch (CancellationException success) {
178		} catch (Throwable fail) { threadUnexpectedException(fail); }
179	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
180	+
181		try {
182		f.join();
183		shouldThrow();
#	Line 155 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} 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	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	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); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
190	–	assertFalse(f.isCancelled());
198		assertTrue(f.isCompletedExceptionally());
199	+	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 206 | Line 214 | public class CompletableFutureTest exten
214		* isCancelled, join, get, and getNow
215		*/
216		public void testComplete() {
217	+	for (Integer v1 : new Integer[] { 1, null })
218	+	{
219		CompletableFuture<Integer> f = new CompletableFuture<>();
220		checkIncomplete(f);
221	<	f.complete(one);
222	<	checkCompletedNormally(f, one);
223	<	}
221	>	assertTrue(f.complete(v1));
222	>	assertFalse(f.complete(v1));
223	>	checkCompletedNormally(f, v1);
224	>	}}
225
226		/**
227		* completeExceptionally completes exceptionally, as indicated by
#	Line 218 | Line 229 | public class CompletableFutureTest exten
229		*/
230		public void testCompleteExceptionally() {
231		CompletableFuture<Integer> f = new CompletableFuture<>();
232	+	CFException ex = new CFException();
233		checkIncomplete(f);
234	<	f.completeExceptionally(new CFException());
235	<	checkCompletedWithWrappedCFException(f);
234	>	f.completeExceptionally(ex);
235	>	checkCompletedExceptionally(f, ex);
236		}
237
238		/**
#	Line 228 | Line 240 | public class CompletableFutureTest exten
240		* methods isDone, isCancelled, join, get, and getNow
241		*/
242		public void testCancel() {
243	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
244	+	{
245		CompletableFuture<Integer> f = new CompletableFuture<>();
246		checkIncomplete(f);
247	<	assertTrue(f.cancel(true));
247	>	assertTrue(f.cancel(mayInterruptIfRunning));
248	>	assertTrue(f.cancel(mayInterruptIfRunning));
249	>	assertTrue(f.cancel(!mayInterruptIfRunning));
250		checkCancelled(f);
251	<	}
251	>	}}
252
253		/**
254		* obtrudeValue forces completion with given value
#	Line 240 | Line 256 | public class CompletableFutureTest exten
256		public void testObtrudeValue() {
257		CompletableFuture<Integer> f = new CompletableFuture<>();
258		checkIncomplete(f);
259	<	f.complete(one);
259	>	assertTrue(f.complete(one));
260		checkCompletedNormally(f, one);
261		f.obtrudeValue(three);
262		checkCompletedNormally(f, three);
#	Line 261 | Line 277 | public class CompletableFutureTest exten
277		* obtrudeException forces completion with given exception
278		*/
279		public void testObtrudeException() {
280	<	CompletableFuture<Integer> f = new CompletableFuture<>();
281	<	checkIncomplete(f);
282	<	f.complete(one);
283	<	checkCompletedNormally(f, one);
284	<	f.obtrudeException(new CFException());
269	<	checkCompletedWithWrappedCFException(f);
280	>	for (Integer v1 : new Integer[] { 1, null })
281	>	{
282	>	CFException ex;
283	>	CompletableFuture<Integer> f;
284	>
285		f = new CompletableFuture<>();
286	<	f.obtrudeException(new CFException());
287	<	checkCompletedWithWrappedCFException(f);
286	>	assertTrue(f.complete(v1));
287	>	for (int i = 0; i < 2; i++) {
288	>	f.obtrudeException(ex = new CFException());
289	>	checkCompletedExceptionally(f, ex);
290	>	}
291	>
292		f = new CompletableFuture<>();
293	+	for (int i = 0; i < 2; i++) {
294	+	f.obtrudeException(ex = new CFException());
295	+	checkCompletedExceptionally(f, ex);
296	+	}
297	+
298	+	f = new CompletableFuture<>();
299	+	f.completeExceptionally(ex = new CFException());
300	+	f.obtrudeValue(v1);
301	+	checkCompletedNormally(f, v1);
302	+	f.obtrudeException(ex = new CFException());
303	+	checkCompletedExceptionally(f, ex);
304		f.completeExceptionally(new CFException());
305	<	f.obtrudeValue(four);
306	<	checkCompletedNormally(f, four);
307	<	f.obtrudeException(new CFException());
308	<	checkCompletedWithWrappedCFException(f);
279	<	}
305	>	checkCompletedExceptionally(f, ex);
306	>	assertFalse(f.complete(v1));
307	>	checkCompletedExceptionally(f, ex);
308	>	}}
309
310		/**
311		* getNumberOfDependents returns number of dependent tasks
312		*/
313		public void testGetNumberOfDependents() {
314	+	for (ExecutionMode m : ExecutionMode.values())
315	+	for (Integer v1 : new Integer[] { 1, null })
316	+	{
317		CompletableFuture<Integer> f = new CompletableFuture<>();
318		assertEquals(0, f.getNumberOfDependents());
319	<	CompletableFuture g = f.thenRun(new Noop(ExecutionMode.DEFAULT));
319	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
320		assertEquals(1, f.getNumberOfDependents());
321		assertEquals(0, g.getNumberOfDependents());
322	<	CompletableFuture h = f.thenRun(new Noop(ExecutionMode.DEFAULT));
322	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
323		assertEquals(2, f.getNumberOfDependents());
324	<	f.complete(1);
324	>	assertEquals(0, h.getNumberOfDependents());
325	>	assertTrue(f.complete(v1));
326		checkCompletedNormally(g, null);
327	+	checkCompletedNormally(h, null);
328		assertEquals(0, f.getNumberOfDependents());
329		assertEquals(0, g.getNumberOfDependents());
330	<	}
330	>	assertEquals(0, h.getNumberOfDependents());
331	>	}}
332
333		/**
334		* toString indicates current completion state
#	Line 304 | Line 339 | public class CompletableFutureTest exten
339		f = new CompletableFuture<String>();
340		assertTrue(f.toString().contains("[Not completed]"));
341
342	<	f.complete("foo");
342	>	assertTrue(f.complete("foo"));
343		assertTrue(f.toString().contains("[Completed normally]"));
344
345		f = new CompletableFuture<String>();
346	<	f.completeExceptionally(new IndexOutOfBoundsException());
346	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
347		assertTrue(f.toString().contains("[Completed exceptionally]"));
348	+
349	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
350	+	f = new CompletableFuture<String>();
351	+	assertTrue(f.cancel(mayInterruptIfRunning));
352	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
353	+	}
354		}
355
356		/**
#	Line 477 | Line 518 | public class CompletableFutureTest exten
518		}
519		}
520
480	–
521		class CompletableFutureInc extends CheckedIntegerAction
522		implements Function<Integer, CompletableFuture<Integer>>
523		{
#	Line 486 | Line 526 | public class CompletableFutureTest exten
526		invoked();
527		value = x;
528		CompletableFuture<Integer> f = new CompletableFuture<>();
529	<	f.complete(inc(x));
529	>	assertTrue(f.complete(inc(x)));
530		return f;
531		}
532		}
#	Line 516 | Line 556 | public class CompletableFutureTest exten
556		}
557		}
558
559	+	static final boolean defaultExecutorIsCommonPool
560	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
561	+
562		/**
563		* Permits the testing of parallel code for the 3 different
564		* execution modes without copy/pasting all the test methods.
565		*/
566		enum ExecutionMode {
567	<	DEFAULT {
567	>	SYNC {
568		public void checkExecutionMode() {
569		assertFalse(ThreadExecutor.startedCurrentThread());
570		assertNull(ForkJoinTask.getPool());
#	Line 597 | Line 640 | public class CompletableFutureTest exten
640
641		ASYNC {
642		public void checkExecutionMode() {
643	<	assertSame(ForkJoinPool.commonPool(),
644	<	ForkJoinTask.getPool());
643	>	assertEquals(defaultExecutorIsCommonPool,
644	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
645		}
646		public CompletableFuture<Void> runAsync(Runnable a) {
647		return CompletableFuture.runAsync(a);
#	Line 794 | Line 837 | public class CompletableFutureTest exten
837		{
838		final AtomicInteger a = new AtomicInteger(0);
839		final CompletableFuture<Integer> f = new CompletableFuture<>();
840	<	if (!createIncomplete) f.complete(v1);
840	>	if (!createIncomplete) assertTrue(f.complete(v1));
841		final CompletableFuture<Integer> g = f.exceptionally
842		((Throwable t) -> {
800	–	// Should not be called
843		a.getAndIncrement();
844	<	throw new AssertionError();
844	>	threadFail("should not be called");
845	>	return null;            // unreached
846		});
847	<	if (createIncomplete) f.complete(v1);
847	>	if (createIncomplete) assertTrue(f.complete(v1));
848
849		checkCompletedNormally(g, v1);
850		checkCompletedNormally(f, v1);
851		assertEquals(0, a.get());
852		}}
853
811	–
854		/**
855		* exceptionally action completes with function value on source
856		* exception
#	Line 823 | Line 865 | public class CompletableFutureTest exten
865		if (!createIncomplete) f.completeExceptionally(ex);
866		final CompletableFuture<Integer> g = f.exceptionally
867		((Throwable t) -> {
868	<	ExecutionMode.DEFAULT.checkExecutionMode();
868	>	ExecutionMode.SYNC.checkExecutionMode();
869		threadAssertSame(t, ex);
870		a.getAndIncrement();
871		return v1;
#	Line 836 | Line 878 | public class CompletableFutureTest exten
878
879		public void testExceptionally_exceptionalCompletionActionFailed() {
880		for (boolean createIncomplete : new boolean[] { true, false })
839	–	for (Integer v1 : new Integer[] { 1, null })
881		{
882		final AtomicInteger a = new AtomicInteger(0);
883		final CFException ex1 = new CFException();
#	Line 845 | Line 886 | public class CompletableFutureTest exten
886		if (!createIncomplete) f.completeExceptionally(ex1);
887		final CompletableFuture<Integer> g = f.exceptionally
888		((Throwable t) -> {
889	<	ExecutionMode.DEFAULT.checkExecutionMode();
889	>	ExecutionMode.SYNC.checkExecutionMode();
890		threadAssertSame(t, ex1);
891		a.getAndIncrement();
892		throw ex2;
893		});
894		if (createIncomplete) f.completeExceptionally(ex1);
895
896	<	checkCompletedWithWrappedCFException(g, ex2);
896	>	checkCompletedWithWrappedException(g, ex2);
897	>	assertEquals(1, a.get());
898	>	}}
899	>
900	>	/**
901	>	* whenComplete action executes on normal completion, propagating
902	>	* source result.
903	>	*/
904	>	public void testWhenComplete_normalCompletion() {
905	>	for (ExecutionMode m : ExecutionMode.values())
906	>	for (boolean createIncomplete : new boolean[] { true, false })
907	>	for (Integer v1 : new Integer[] { 1, null })
908	>	{
909	>	final AtomicInteger a = new AtomicInteger(0);
910	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
911	>	if (!createIncomplete) assertTrue(f.complete(v1));
912	>	final CompletableFuture<Integer> g = m.whenComplete
913	>	(f,
914	>	(Integer x, Throwable t) -> {
915	>	m.checkExecutionMode();
916	>	threadAssertSame(x, v1);
917	>	threadAssertNull(t);
918	>	a.getAndIncrement();
919	>	});
920	>	if (createIncomplete) assertTrue(f.complete(v1));
921	>
922	>	checkCompletedNormally(g, v1);
923	>	checkCompletedNormally(f, v1);
924	>	assertEquals(1, a.get());
925	>	}}
926	>
927	>	/**
928	>	* whenComplete action executes on exceptional completion, propagating
929	>	* source result.
930	>	*/
931	>	public void testWhenComplete_exceptionalCompletion() {
932	>	for (ExecutionMode m : ExecutionMode.values())
933	>	for (boolean createIncomplete : new boolean[] { true, false })
934	>	{
935	>	final AtomicInteger a = new AtomicInteger(0);
936	>	final CFException ex = new CFException();
937	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
938	>	if (!createIncomplete) f.completeExceptionally(ex);
939	>	final CompletableFuture<Integer> g = m.whenComplete
940	>	(f,
941	>	(Integer x, Throwable t) -> {
942	>	m.checkExecutionMode();
943	>	threadAssertNull(x);
944	>	threadAssertSame(t, ex);
945	>	a.getAndIncrement();
946	>	});
947	>	if (createIncomplete) f.completeExceptionally(ex);
948	>
949	>	checkCompletedWithWrappedException(g, ex);
950	>	checkCompletedExceptionally(f, ex);
951	>	assertEquals(1, a.get());
952	>	}}
953	>
954	>	/**
955	>	* whenComplete action executes on cancelled source, propagating
956	>	* CancellationException.
957	>	*/
958	>	public void testWhenComplete_sourceCancelled() {
959	>	for (ExecutionMode m : ExecutionMode.values())
960	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
961	>	for (boolean createIncomplete : new boolean[] { true, false })
962	>	{
963	>	final AtomicInteger a = new AtomicInteger(0);
964	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
965	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
966	>	final CompletableFuture<Integer> g = m.whenComplete
967	>	(f,
968	>	(Integer x, Throwable t) -> {
969	>	m.checkExecutionMode();
970	>	threadAssertNull(x);
971	>	threadAssertTrue(t instanceof CancellationException);
972	>	a.getAndIncrement();
973	>	});
974	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
975	>
976	>	checkCompletedWithWrappedCancellationException(g);
977	>	checkCancelled(f);
978	>	assertEquals(1, a.get());
979	>	}}
980	>
981	>	/**
982	>	* If a whenComplete action throws an exception when triggered by
983	>	* a normal completion, it completes exceptionally
984	>	*/
985	>	public void testWhenComplete_actionFailed() {
986	>	for (boolean createIncomplete : new boolean[] { true, false })
987	>	for (ExecutionMode m : ExecutionMode.values())
988	>	for (Integer v1 : new Integer[] { 1, null })
989	>	{
990	>	final AtomicInteger a = new AtomicInteger(0);
991	>	final CFException ex = new CFException();
992	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
993	>	if (!createIncomplete) assertTrue(f.complete(v1));
994	>	final CompletableFuture<Integer> g = m.whenComplete
995	>	(f,
996	>	(Integer x, Throwable t) -> {
997	>	m.checkExecutionMode();
998	>	threadAssertSame(x, v1);
999	>	threadAssertNull(t);
1000	>	a.getAndIncrement();
1001	>	throw ex;
1002	>	});
1003	>	if (createIncomplete) assertTrue(f.complete(v1));
1004	>
1005	>	checkCompletedWithWrappedException(g, ex);
1006	>	checkCompletedNormally(f, v1);
1007	>	assertEquals(1, a.get());
1008	>	}}
1009	>
1010	>	/**
1011	>	* If a whenComplete action throws an exception when triggered by
1012	>	* a source completion that also throws an exception, the source
1013	>	* exception takes precedence.
1014	>	*/
1015	>	public void testWhenComplete_actionFailedSourceFailed() {
1016	>	for (boolean createIncomplete : new boolean[] { true, false })
1017	>	for (ExecutionMode m : ExecutionMode.values())
1018	>	{
1019	>	final AtomicInteger a = new AtomicInteger(0);
1020	>	final CFException ex1 = new CFException();
1021	>	final CFException ex2 = new CFException();
1022	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1023	>
1024	>	if (!createIncomplete) f.completeExceptionally(ex1);
1025	>	final CompletableFuture<Integer> g = m.whenComplete
1026	>	(f,
1027	>	(Integer x, Throwable t) -> {
1028	>	m.checkExecutionMode();
1029	>	threadAssertSame(t, ex1);
1030	>	threadAssertNull(x);
1031	>	a.getAndIncrement();
1032	>	throw ex2;
1033	>	});
1034	>	if (createIncomplete) f.completeExceptionally(ex1);
1035	>
1036	>	checkCompletedWithWrappedException(g, ex1);
1037	>	checkCompletedExceptionally(f, ex1);
1038		assertEquals(1, a.get());
1039		}}
1040
#	Line 867 | Line 1049 | public class CompletableFutureTest exten
1049		{
1050		final CompletableFuture<Integer> f = new CompletableFuture<>();
1051		final AtomicInteger a = new AtomicInteger(0);
1052	<	if (!createIncomplete) f.complete(v1);
1052	>	if (!createIncomplete) assertTrue(f.complete(v1));
1053		final CompletableFuture<Integer> g = m.handle
1054		(f,
1055		(Integer x, Throwable t) -> {
#	Line 877 | Line 1059 | public class CompletableFutureTest exten
1059		a.getAndIncrement();
1060		return inc(v1);
1061		});
1062	<	if (createIncomplete) f.complete(v1);
1062	>	if (createIncomplete) assertTrue(f.complete(v1));
1063
1064		checkCompletedNormally(g, inc(v1));
1065		checkCompletedNormally(f, v1);
#	Line 909 | Line 1091 | public class CompletableFutureTest exten
1091		if (createIncomplete) f.completeExceptionally(ex);
1092
1093		checkCompletedNormally(g, v1);
1094	<	checkCompletedWithWrappedCFException(f, ex);
1094	>	checkCompletedExceptionally(f, ex);
1095		assertEquals(1, a.get());
1096		}}
1097
#	Line 965 | Line 1147 | public class CompletableFutureTest exten
1147		});
1148		if (createIncomplete) f.completeExceptionally(ex1);
1149
1150	<	checkCompletedWithWrappedCFException(g, ex2);
1151	<	checkCompletedWithWrappedCFException(f, ex1);
1150	>	checkCompletedWithWrappedException(g, ex2);
1151	>	checkCompletedExceptionally(f, ex1);
1152		assertEquals(1, a.get());
1153		}}
1154
#	Line 978 | Line 1160 | public class CompletableFutureTest exten
1160		final CompletableFuture<Integer> f = new CompletableFuture<>();
1161		final AtomicInteger a = new AtomicInteger(0);
1162		final CFException ex = new CFException();
1163	<	if (!createIncomplete) f.complete(v1);
1163	>	if (!createIncomplete) assertTrue(f.complete(v1));
1164		final CompletableFuture<Integer> g = m.handle
1165		(f,
1166		(Integer x, Throwable t) -> {
#	Line 988 | Line 1170 | public class CompletableFutureTest exten
1170		a.getAndIncrement();
1171		throw ex;
1172		});
1173	<	if (createIncomplete) f.complete(v1);
1173	>	if (createIncomplete) assertTrue(f.complete(v1));
1174
1175	<	checkCompletedWithWrappedCFException(g, ex);
1175	>	checkCompletedWithWrappedException(g, ex);
1176		checkCompletedNormally(f, v1);
1177		assertEquals(1, a.get());
1178		}}
#	Line 1069 | Line 1251 | public class CompletableFutureTest exten
1251		*/
1252		public void testThenRun_normalCompletion() {
1253		for (ExecutionMode m : ExecutionMode.values())
1072	–	for (boolean createIncomplete : new boolean[] { true, false })
1254		for (Integer v1 : new Integer[] { 1, null })
1255		{
1256		final CompletableFuture<Integer> f = new CompletableFuture<>();
1257	<	final Noop r = new Noop(m);
1258	<	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	<	}
1257	>	final Noop[] rs = new Noop[6];
1258	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1259
1260	<	checkCompletedNormally(g, null);
1260	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1261	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1262	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1263	>	checkIncomplete(h0);
1264	>	checkIncomplete(h1);
1265	>	checkIncomplete(h2);
1266	>	assertTrue(f.complete(v1));
1267	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1268	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1269	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1270	>
1271	>	checkCompletedNormally(h0, null);
1272	>	checkCompletedNormally(h1, null);
1273	>	checkCompletedNormally(h2, null);
1274	>	checkCompletedNormally(h3, null);
1275	>	checkCompletedNormally(h4, null);
1276	>	checkCompletedNormally(h5, null);
1277		checkCompletedNormally(f, v1);
1278	<	r.assertInvoked();
1278	>	for (Noop r : rs) r.assertInvoked();
1279		}}
1280
1281		/**
#	Line 1092 | Line 1284 | public class CompletableFutureTest exten
1284		*/
1285		public void testThenRun_exceptionalCompletion() {
1286		for (ExecutionMode m : ExecutionMode.values())
1095	–	for (boolean createIncomplete : new boolean[] { true, false })
1287		{
1288		final CFException ex = new CFException();
1289		final CompletableFuture<Integer> f = new CompletableFuture<>();
1290	<	final Noop r = new Noop(m);
1291	<	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	<	}
1290	>	final Noop[] rs = new Noop[6];
1291	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1292
1293	<	checkCompletedWithWrappedCFException(g, ex);
1294	<	checkCompletedWithWrappedCFException(f, ex);
1295	<	r.assertNotInvoked();
1293	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1294	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1295	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1296	>	checkIncomplete(h0);
1297	>	checkIncomplete(h1);
1298	>	checkIncomplete(h2);
1299	>	assertTrue(f.completeExceptionally(ex));
1300	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1301	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1302	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1303	>
1304	>	checkCompletedWithWrappedException(h0, ex);
1305	>	checkCompletedWithWrappedException(h1, ex);
1306	>	checkCompletedWithWrappedException(h2, ex);
1307	>	checkCompletedWithWrappedException(h3, ex);
1308	>	checkCompletedWithWrappedException(h4, ex);
1309	>	checkCompletedWithWrappedException(h5, ex);
1310	>	checkCompletedExceptionally(f, ex);
1311	>	for (Noop r : rs) r.assertNotInvoked();
1312		}}
1313
1314		/**
#	Line 1114 | Line 1316 | public class CompletableFutureTest exten
1316		*/
1317		public void testThenRun_sourceCancelled() {
1318		for (ExecutionMode m : ExecutionMode.values())
1117	–	for (boolean createIncomplete : new boolean[] { true, false })
1319		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1320		{
1321		final CompletableFuture<Integer> f = new CompletableFuture<>();
1322	<	final Noop r = new Noop(m);
1323	<	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	<	}
1322	>	final Noop[] rs = new Noop[6];
1323	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1324
1325	<	checkCompletedWithWrappedCancellationException(g);
1325	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1326	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1327	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1328	>	checkIncomplete(h0);
1329	>	checkIncomplete(h1);
1330	>	checkIncomplete(h2);
1331	>	assertTrue(f.cancel(mayInterruptIfRunning));
1332	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1333	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1334	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1335	>
1336	>	checkCompletedWithWrappedCancellationException(h0);
1337	>	checkCompletedWithWrappedCancellationException(h1);
1338	>	checkCompletedWithWrappedCancellationException(h2);
1339	>	checkCompletedWithWrappedCancellationException(h3);
1340	>	checkCompletedWithWrappedCancellationException(h4);
1341	>	checkCompletedWithWrappedCancellationException(h5);
1342		checkCancelled(f);
1343	<	r.assertNotInvoked();
1343	>	for (Noop r : rs) r.assertNotInvoked();
1344		}}
1345
1346		/**
#	Line 1136 | Line 1348 | public class CompletableFutureTest exten
1348		*/
1349		public void testThenRun_actionFailed() {
1350		for (ExecutionMode m : ExecutionMode.values())
1139	–	for (boolean createIncomplete : new boolean[] { true, false })
1351		for (Integer v1 : new Integer[] { 1, null })
1352		{
1353		final CompletableFuture<Integer> f = new CompletableFuture<>();
1354	<	final FailingRunnable r = new FailingRunnable(m);
1355	<	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	<	}
1354	>	final FailingRunnable[] rs = new FailingRunnable[6];
1355	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1356
1357	<	checkCompletedWithWrappedCFException(g);
1357	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1358	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1359	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1360	>	assertTrue(f.complete(v1));
1361	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1362	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1363	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1364	>
1365	>	checkCompletedWithWrappedCFException(h0);
1366	>	checkCompletedWithWrappedCFException(h1);
1367	>	checkCompletedWithWrappedCFException(h2);
1368	>	checkCompletedWithWrappedCFException(h3);
1369	>	checkCompletedWithWrappedCFException(h4);
1370	>	checkCompletedWithWrappedCFException(h5);
1371		checkCompletedNormally(f, v1);
1372		}}
1373
#	Line 1157 | Line 1376 | public class CompletableFutureTest exten
1376		*/
1377		public void testThenApply_normalCompletion() {
1378		for (ExecutionMode m : ExecutionMode.values())
1160	–	for (boolean createIncomplete : new boolean[] { true, false })
1379		for (Integer v1 : new Integer[] { 1, null })
1380		{
1381		final CompletableFuture<Integer> f = new CompletableFuture<>();
1382	<	final IncFunction r = new IncFunction(m);
1383	<	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	<	}
1382	>	final IncFunction[] rs = new IncFunction[4];
1383	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1384
1385	<	checkCompletedNormally(g, inc(v1));
1385	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1386	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1387	>	checkIncomplete(h0);
1388	>	checkIncomplete(h1);
1389	>	assertTrue(f.complete(v1));
1390	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1391	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1392	>
1393	>	checkCompletedNormally(h0, inc(v1));
1394	>	checkCompletedNormally(h1, inc(v1));
1395	>	checkCompletedNormally(h2, inc(v1));
1396	>	checkCompletedNormally(h3, inc(v1));
1397		checkCompletedNormally(f, v1);
1398	<	r.assertInvoked();
1398	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1399		}}
1400
1401		/**
#	Line 1180 | Line 1404 | public class CompletableFutureTest exten
1404		*/
1405		public void testThenApply_exceptionalCompletion() {
1406		for (ExecutionMode m : ExecutionMode.values())
1183	–	for (boolean createIncomplete : new boolean[] { true, false })
1407		{
1408		final CFException ex = new CFException();
1409		final CompletableFuture<Integer> f = new CompletableFuture<>();
1410	<	final IncFunction r = new IncFunction(m);
1411	<	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	<	}
1410	>	final IncFunction[] rs = new IncFunction[4];
1411	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1412
1413	<	checkCompletedWithWrappedCFException(g, ex);
1414	<	checkCompletedWithWrappedCFException(f, ex);
1415	<	r.assertNotInvoked();
1413	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1414	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1415	>	assertTrue(f.completeExceptionally(ex));
1416	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1417	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1418	>
1419	>	checkCompletedWithWrappedException(h0, ex);
1420	>	checkCompletedWithWrappedException(h1, ex);
1421	>	checkCompletedWithWrappedException(h2, ex);
1422	>	checkCompletedWithWrappedException(h3, ex);
1423	>	checkCompletedExceptionally(f, ex);
1424	>	for (IncFunction r : rs) r.assertNotInvoked();
1425		}}
1426
1427		/**
#	Line 1202 | Line 1429 | public class CompletableFutureTest exten
1429		*/
1430		public void testThenApply_sourceCancelled() {
1431		for (ExecutionMode m : ExecutionMode.values())
1205	–	for (boolean createIncomplete : new boolean[] { true, false })
1432		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1433		{
1434		final CompletableFuture<Integer> f = new CompletableFuture<>();
1435	<	final IncFunction r = new IncFunction(m);
1436	<	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	<	}
1435	>	final IncFunction[] rs = new IncFunction[4];
1436	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1437
1438	<	checkCompletedWithWrappedCancellationException(g);
1438	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1439	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1440	>	assertTrue(f.cancel(mayInterruptIfRunning));
1441	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1442	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1443	>
1444	>	checkCompletedWithWrappedCancellationException(h0);
1445	>	checkCompletedWithWrappedCancellationException(h1);
1446	>	checkCompletedWithWrappedCancellationException(h2);
1447	>	checkCompletedWithWrappedCancellationException(h3);
1448		checkCancelled(f);
1449	<	r.assertNotInvoked();
1449	>	for (IncFunction r : rs) r.assertNotInvoked();
1450		}}
1451
1452		/**
#	Line 1224 | Line 1454 | public class CompletableFutureTest exten
1454		*/
1455		public void testThenApply_actionFailed() {
1456		for (ExecutionMode m : ExecutionMode.values())
1227	–	for (boolean createIncomplete : new boolean[] { true, false })
1457		for (Integer v1 : new Integer[] { 1, null })
1458		{
1459		final CompletableFuture<Integer> f = new CompletableFuture<>();
1460	<	final FailingFunction r = new FailingFunction(m);
1461	<	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	<	}
1460	>	final FailingFunction[] rs = new FailingFunction[4];
1461	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1462
1463	<	checkCompletedWithWrappedCFException(g);
1463	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1464	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1465	>	assertTrue(f.complete(v1));
1466	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1467	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1468	>
1469	>	checkCompletedWithWrappedCFException(h0);
1470	>	checkCompletedWithWrappedCFException(h1);
1471	>	checkCompletedWithWrappedCFException(h2);
1472	>	checkCompletedWithWrappedCFException(h3);
1473		checkCompletedNormally(f, v1);
1474		}}
1475
#	Line 1245 | Line 1478 | public class CompletableFutureTest exten
1478		*/
1479		public void testThenAccept_normalCompletion() {
1480		for (ExecutionMode m : ExecutionMode.values())
1248	–	for (boolean createIncomplete : new boolean[] { true, false })
1481		for (Integer v1 : new Integer[] { 1, null })
1482		{
1483		final CompletableFuture<Integer> f = new CompletableFuture<>();
1484	<	final NoopConsumer r = new NoopConsumer(m);
1485	<	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	<	}
1484	>	final NoopConsumer[] rs = new NoopConsumer[4];
1485	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1486
1487	<	checkCompletedNormally(g, null);
1488	<	r.assertValue(v1);
1487	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1488	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1489	>	checkIncomplete(h0);
1490	>	checkIncomplete(h1);
1491	>	assertTrue(f.complete(v1));
1492	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1493	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1494	>
1495	>	checkCompletedNormally(h0, null);
1496	>	checkCompletedNormally(h1, null);
1497	>	checkCompletedNormally(h2, null);
1498	>	checkCompletedNormally(h3, null);
1499		checkCompletedNormally(f, v1);
1500	+	for (NoopConsumer r : rs) r.assertValue(v1);
1501		}}
1502
1503		/**
#	Line 1268 | Line 1506 | public class CompletableFutureTest exten
1506		*/
1507		public void testThenAccept_exceptionalCompletion() {
1508		for (ExecutionMode m : ExecutionMode.values())
1271	–	for (boolean createIncomplete : new boolean[] { true, false })
1509		{
1510		final CFException ex = new CFException();
1511		final CompletableFuture<Integer> f = new CompletableFuture<>();
1512	<	final NoopConsumer r = new NoopConsumer(m);
1513	<	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	<	}
1512	>	final NoopConsumer[] rs = new NoopConsumer[4];
1513	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1514
1515	<	checkCompletedWithWrappedCFException(g, ex);
1516	<	checkCompletedWithWrappedCFException(f, ex);
1517	<	r.assertNotInvoked();
1515	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1516	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1517	>	assertTrue(f.completeExceptionally(ex));
1518	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1519	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1520	>
1521	>	checkCompletedWithWrappedException(h0, ex);
1522	>	checkCompletedWithWrappedException(h1, ex);
1523	>	checkCompletedWithWrappedException(h2, ex);
1524	>	checkCompletedWithWrappedException(h3, ex);
1525	>	checkCompletedExceptionally(f, ex);
1526	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1527		}}
1528
1529		/**
#	Line 1290 | Line 1531 | public class CompletableFutureTest exten
1531		*/
1532		public void testThenAccept_sourceCancelled() {
1533		for (ExecutionMode m : ExecutionMode.values())
1293	–	for (boolean createIncomplete : new boolean[] { true, false })
1534		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1535		{
1536		final CompletableFuture<Integer> f = new CompletableFuture<>();
1537	<	final NoopConsumer r = new NoopConsumer(m);
1538	<	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	<	}
1537	>	final NoopConsumer[] rs = new NoopConsumer[4];
1538	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1539
1540	<	checkCompletedWithWrappedCancellationException(g);
1540	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1541	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1542	>	assertTrue(f.cancel(mayInterruptIfRunning));
1543	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1544	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1545	>
1546	>	checkCompletedWithWrappedCancellationException(h0);
1547	>	checkCompletedWithWrappedCancellationException(h1);
1548	>	checkCompletedWithWrappedCancellationException(h2);
1549	>	checkCompletedWithWrappedCancellationException(h3);
1550		checkCancelled(f);
1551	<	r.assertNotInvoked();
1551	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1552		}}
1553
1554		/**
#	Line 1312 | Line 1556 | public class CompletableFutureTest exten
1556		*/
1557		public void testThenAccept_actionFailed() {
1558		for (ExecutionMode m : ExecutionMode.values())
1315	–	for (boolean createIncomplete : new boolean[] { true, false })
1559		for (Integer v1 : new Integer[] { 1, null })
1560		{
1561		final CompletableFuture<Integer> f = new CompletableFuture<>();
1562	<	final FailingConsumer r = new FailingConsumer(m);
1563	<	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	<	}
1562	>	final FailingConsumer[] rs = new FailingConsumer[4];
1563	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1564
1565	<	checkCompletedWithWrappedCFException(g);
1565	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1566	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1567	>	assertTrue(f.complete(v1));
1568	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1569	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1570	>
1571	>	checkCompletedWithWrappedCFException(h0);
1572	>	checkCompletedWithWrappedCFException(h1);
1573	>	checkCompletedWithWrappedCFException(h2);
1574	>	checkCompletedWithWrappedCFException(h3);
1575		checkCompletedNormally(f, v1);
1576		}}
1577
#	Line 1334 | Line 1581 | public class CompletableFutureTest exten
1581		*/
1582		public void testThenCombine_normalCompletion() {
1583		for (ExecutionMode m : ExecutionMode.values())
1337	–	for (boolean createIncomplete : new boolean[] { true, false })
1584		for (boolean fFirst : new boolean[] { true, false })
1585		for (Integer v1 : new Integer[] { 1, null })
1586		for (Integer v2 : new Integer[] { 2, null })
1587		{
1588		final CompletableFuture<Integer> f = new CompletableFuture<>();
1589		final CompletableFuture<Integer> g = new CompletableFuture<>();
1590	<	final SubtractFunction r = new SubtractFunction(m);
1590	>	final SubtractFunction[] rs = new SubtractFunction[6];
1591	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1592
1593	<	if (fFirst) f.complete(v1); else g.complete(v2);
1594	<	if (!createIncomplete)
1595	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1596	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1597	<	if (createIncomplete) {
1598	<	checkIncomplete(h);
1599	<	r.assertNotInvoked();
1600	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1601	<	}
1593	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1594	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1595	>	final Integer w1 =  fFirst ? v1 : v2;
1596	>	final Integer w2 = !fFirst ? v1 : v2;
1597	>
1598	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1599	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1600	>	assertTrue(fst.complete(w1));
1601	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1602	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1603	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1604	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1605	>	checkCompletedNormally(h1, subtract(w1, w1));
1606	>	checkCompletedNormally(h3, subtract(w1, w1));
1607	>	rs[1].assertValue(subtract(w1, w1));
1608	>	rs[3].assertValue(subtract(w1, w1));
1609	>	assertTrue(snd.complete(w2));
1610	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1611	>
1612	>	checkCompletedNormally(h0, subtract(v1, v2));
1613	>	checkCompletedNormally(h2, subtract(v1, v2));
1614	>	checkCompletedNormally(h4, subtract(v1, v2));
1615	>	rs[0].assertValue(subtract(v1, v2));
1616	>	rs[2].assertValue(subtract(v1, v2));
1617	>	rs[4].assertValue(subtract(v1, v2));
1618
1356	–	checkCompletedNormally(h, subtract(v1, v2));
1619		checkCompletedNormally(f, v1);
1620		checkCompletedNormally(g, v2);
1359	–	r.assertInvoked();
1621		}}
1622
1623		/**
1624		* thenCombine result completes exceptionally after exceptional
1625		* completion of either source
1626		*/
1627	<	public void testThenCombine_exceptionalCompletion() {
1627	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1628		for (ExecutionMode m : ExecutionMode.values())
1368	–	for (boolean createIncomplete : new boolean[] { true, false })
1629		for (boolean fFirst : new boolean[] { true, false })
1630	+	for (boolean failFirst : new boolean[] { true, false })
1631		for (Integer v1 : new Integer[] { 1, null })
1632		{
1633		final CompletableFuture<Integer> f = new CompletableFuture<>();
1634		final CompletableFuture<Integer> g = new CompletableFuture<>();
1635		final CFException ex = new CFException();
1636	<	final SubtractFunction r = new SubtractFunction(m);
1637	<
1638	<	(fFirst ? f : g).complete(v1);
1639	<	if (!createIncomplete)
1640	<	(!fFirst ? f : g).completeExceptionally(ex);
1641	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1642	<	if (createIncomplete) {
1643	<	checkIncomplete(h);
1644	<	(!fFirst ? f : g).completeExceptionally(ex);
1645	<	}
1646	<
1647	<	checkCompletedWithWrappedCFException(h, ex);
1648	<	r.assertNotInvoked();
1649	<	checkCompletedNormally(fFirst ? f : g, v1);
1650	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1636	>	final SubtractFunction r1 = new SubtractFunction(m);
1637	>	final SubtractFunction r2 = new SubtractFunction(m);
1638	>	final SubtractFunction r3 = new SubtractFunction(m);
1639	>
1640	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1641	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1642	>	final Callable<Boolean> complete1 = failFirst ?
1643	>	() -> fst.completeExceptionally(ex) :
1644	>	() -> fst.complete(v1);
1645	>	final Callable<Boolean> complete2 = failFirst ?
1646	>	() -> snd.complete(v1) :
1647	>	() -> snd.completeExceptionally(ex);
1648	>
1649	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1650	>	assertTrue(complete1.call());
1651	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1652	>	checkIncomplete(h1);
1653	>	checkIncomplete(h2);
1654	>	assertTrue(complete2.call());
1655	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1656	>
1657	>	checkCompletedWithWrappedException(h1, ex);
1658	>	checkCompletedWithWrappedException(h2, ex);
1659	>	checkCompletedWithWrappedException(h3, ex);
1660	>	r1.assertNotInvoked();
1661	>	r2.assertNotInvoked();
1662	>	r3.assertNotInvoked();
1663	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1664	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1665		}}
1666
1667		/**
1668		* thenCombine result completes exceptionally if either source cancelled
1669		*/
1670	<	public void testThenCombine_sourceCancelled() {
1670	>	public void testThenCombine_sourceCancelled() throws Throwable {
1671		for (ExecutionMode m : ExecutionMode.values())
1672		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1398	–	for (boolean createIncomplete : new boolean[] { true, false })
1673		for (boolean fFirst : new boolean[] { true, false })
1674	+	for (boolean failFirst : new boolean[] { true, false })
1675		for (Integer v1 : new Integer[] { 1, null })
1676		{
1677		final CompletableFuture<Integer> f = new CompletableFuture<>();
1678		final CompletableFuture<Integer> g = new CompletableFuture<>();
1679	<	final SubtractFunction r = new SubtractFunction(m);
1679	>	final SubtractFunction r1 = new SubtractFunction(m);
1680	>	final SubtractFunction r2 = new SubtractFunction(m);
1681	>	final SubtractFunction r3 = new SubtractFunction(m);
1682
1683	<	(fFirst ? f : g).complete(v1);
1684	<	if (!createIncomplete)
1685	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1686	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1687	<	if (createIncomplete) {
1688	<	checkIncomplete(h);
1689	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1690	<	}
1683	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1684	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1685	>	final Callable<Boolean> complete1 = failFirst ?
1686	>	() -> fst.cancel(mayInterruptIfRunning) :
1687	>	() -> fst.complete(v1);
1688	>	final Callable<Boolean> complete2 = failFirst ?
1689	>	() -> snd.complete(v1) :
1690	>	() -> snd.cancel(mayInterruptIfRunning);
1691
1692	<	checkCompletedWithWrappedCancellationException(h);
1693	<	checkCancelled(!fFirst ? f : g);
1694	<	r.assertNotInvoked();
1695	<	checkCompletedNormally(fFirst ? f : g, v1);
1692	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1693	>	assertTrue(complete1.call());
1694	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1695	>	checkIncomplete(h1);
1696	>	checkIncomplete(h2);
1697	>	assertTrue(complete2.call());
1698	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1699	>
1700	>	checkCompletedWithWrappedCancellationException(h1);
1701	>	checkCompletedWithWrappedCancellationException(h2);
1702	>	checkCompletedWithWrappedCancellationException(h3);
1703	>	r1.assertNotInvoked();
1704	>	r2.assertNotInvoked();
1705	>	r3.assertNotInvoked();
1706	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1707	>	checkCancelled(failFirst ? fst : snd);
1708		}}
1709
1710		/**
#	Line 1429 | Line 1718 | public class CompletableFutureTest exten
1718		{
1719		final CompletableFuture<Integer> f = new CompletableFuture<>();
1720		final CompletableFuture<Integer> g = new CompletableFuture<>();
1721	<	final FailingBiFunction r = new FailingBiFunction(m);
1722	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1721	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1722	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1723	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1724	>
1725	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1726	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1727	>	final Integer w1 =  fFirst ? v1 : v2;
1728	>	final Integer w2 = !fFirst ? v1 : v2;
1729	>
1730	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1731	>	assertTrue(fst.complete(w1));
1732	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1733	>	assertTrue(snd.complete(w2));
1734	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1735
1736	<	if (fFirst) {
1737	<	f.complete(v1);
1738	<	g.complete(v2);
1739	<	} else {
1740	<	g.complete(v2);
1741	<	f.complete(v1);
1441	<	}
1442	<
1443	<	checkCompletedWithWrappedCFException(h);
1736	>	checkCompletedWithWrappedCFException(h1);
1737	>	checkCompletedWithWrappedCFException(h2);
1738	>	checkCompletedWithWrappedCFException(h3);
1739	>	r1.assertInvoked();
1740	>	r2.assertInvoked();
1741	>	r3.assertInvoked();
1742		checkCompletedNormally(f, v1);
1743		checkCompletedNormally(g, v2);
1744		}}
#	Line 1451 | Line 1749 | public class CompletableFutureTest exten
1749		*/
1750		public void testThenAcceptBoth_normalCompletion() {
1751		for (ExecutionMode m : ExecutionMode.values())
1454	–	for (boolean createIncomplete : new boolean[] { true, false })
1752		for (boolean fFirst : new boolean[] { true, false })
1753		for (Integer v1 : new Integer[] { 1, null })
1754		for (Integer v2 : new Integer[] { 2, null })
1755		{
1756		final CompletableFuture<Integer> f = new CompletableFuture<>();
1757		final CompletableFuture<Integer> g = new CompletableFuture<>();
1758	<	final SubtractAction r = new SubtractAction(m);
1759	<
1760	<	if (fFirst) f.complete(v1); else g.complete(v2);
1761	<	if (!createIncomplete)
1762	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1763	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1764	<	if (createIncomplete) {
1765	<	checkIncomplete(h);
1766	<	r.assertNotInvoked();
1767	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1768	<	}
1758	>	final SubtractAction r1 = new SubtractAction(m);
1759	>	final SubtractAction r2 = new SubtractAction(m);
1760	>	final SubtractAction r3 = new SubtractAction(m);
1761	>
1762	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1763	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1764	>	final Integer w1 =  fFirst ? v1 : v2;
1765	>	final Integer w2 = !fFirst ? v1 : v2;
1766	>
1767	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1768	>	assertTrue(fst.complete(w1));
1769	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1770	>	checkIncomplete(h1);
1771	>	checkIncomplete(h2);
1772	>	r1.assertNotInvoked();
1773	>	r2.assertNotInvoked();
1774	>	assertTrue(snd.complete(w2));
1775	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1776
1777	<	checkCompletedNormally(h, null);
1778	<	r.assertValue(subtract(v1, v2));
1777	>	checkCompletedNormally(h1, null);
1778	>	checkCompletedNormally(h2, null);
1779	>	checkCompletedNormally(h3, null);
1780	>	r1.assertValue(subtract(v1, v2));
1781	>	r2.assertValue(subtract(v1, v2));
1782	>	r3.assertValue(subtract(v1, v2));
1783		checkCompletedNormally(f, v1);
1784		checkCompletedNormally(g, v2);
1785		}}
#	Line 1480 | Line 1788 | public class CompletableFutureTest exten
1788		* thenAcceptBoth result completes exceptionally after exceptional
1789		* completion of either source
1790		*/
1791	<	public void testThenAcceptBoth_exceptionalCompletion() {
1791	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1792		for (ExecutionMode m : ExecutionMode.values())
1485	–	for (boolean createIncomplete : new boolean[] { true, false })
1793		for (boolean fFirst : new boolean[] { true, false })
1794	+	for (boolean failFirst : new boolean[] { true, false })
1795		for (Integer v1 : new Integer[] { 1, null })
1796		{
1797		final CompletableFuture<Integer> f = new CompletableFuture<>();
1798		final CompletableFuture<Integer> g = new CompletableFuture<>();
1799		final CFException ex = new CFException();
1800	<	final SubtractAction r = new SubtractAction(m);
1801	<
1802	<	(fFirst ? f : g).complete(v1);
1803	<	if (!createIncomplete)
1804	<	(!fFirst ? f : g).completeExceptionally(ex);
1805	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1806	<	if (createIncomplete) {
1807	<	checkIncomplete(h);
1808	<	(!fFirst ? f : g).completeExceptionally(ex);
1809	<	}
1810	<
1811	<	checkCompletedWithWrappedCFException(h, ex);
1812	<	r.assertNotInvoked();
1813	<	checkCompletedNormally(fFirst ? f : g, v1);
1814	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1800	>	final SubtractAction r1 = new SubtractAction(m);
1801	>	final SubtractAction r2 = new SubtractAction(m);
1802	>	final SubtractAction r3 = new SubtractAction(m);
1803	>
1804	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1805	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1806	>	final Callable<Boolean> complete1 = failFirst ?
1807	>	() -> fst.completeExceptionally(ex) :
1808	>	() -> fst.complete(v1);
1809	>	final Callable<Boolean> complete2 = failFirst ?
1810	>	() -> snd.complete(v1) :
1811	>	() -> snd.completeExceptionally(ex);
1812	>
1813	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1814	>	assertTrue(complete1.call());
1815	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1816	>	checkIncomplete(h1);
1817	>	checkIncomplete(h2);
1818	>	assertTrue(complete2.call());
1819	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1820	>
1821	>	checkCompletedWithWrappedException(h1, ex);
1822	>	checkCompletedWithWrappedException(h2, ex);
1823	>	checkCompletedWithWrappedException(h3, ex);
1824	>	r1.assertNotInvoked();
1825	>	r2.assertNotInvoked();
1826	>	r3.assertNotInvoked();
1827	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1828	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1829		}}
1830
1831		/**
1832		* thenAcceptBoth result completes exceptionally if either source cancelled
1833		*/
1834	<	public void testThenAcceptBoth_sourceCancelled() {
1834	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1835		for (ExecutionMode m : ExecutionMode.values())
1836		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1515	–	for (boolean createIncomplete : new boolean[] { true, false })
1837		for (boolean fFirst : new boolean[] { true, false })
1838	+	for (boolean failFirst : new boolean[] { true, false })
1839		for (Integer v1 : new Integer[] { 1, null })
1840		{
1841		final CompletableFuture<Integer> f = new CompletableFuture<>();
1842		final CompletableFuture<Integer> g = new CompletableFuture<>();
1843	<	final SubtractAction r = new SubtractAction(m);
1843	>	final SubtractAction r1 = new SubtractAction(m);
1844	>	final SubtractAction r2 = new SubtractAction(m);
1845	>	final SubtractAction r3 = new SubtractAction(m);
1846
1847	<	(fFirst ? f : g).complete(v1);
1848	<	if (!createIncomplete)
1849	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1850	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1851	<	if (createIncomplete) {
1852	<	checkIncomplete(h);
1853	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1854	<	}
1847	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1848	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1849	>	final Callable<Boolean> complete1 = failFirst ?
1850	>	() -> fst.cancel(mayInterruptIfRunning) :
1851	>	() -> fst.complete(v1);
1852	>	final Callable<Boolean> complete2 = failFirst ?
1853	>	() -> snd.complete(v1) :
1854	>	() -> snd.cancel(mayInterruptIfRunning);
1855
1856	<	checkCompletedWithWrappedCancellationException(h);
1857	<	checkCancelled(!fFirst ? f : g);
1858	<	r.assertNotInvoked();
1859	<	checkCompletedNormally(fFirst ? f : g, v1);
1856	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1857	>	assertTrue(complete1.call());
1858	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1859	>	checkIncomplete(h1);
1860	>	checkIncomplete(h2);
1861	>	assertTrue(complete2.call());
1862	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1863	>
1864	>	checkCompletedWithWrappedCancellationException(h1);
1865	>	checkCompletedWithWrappedCancellationException(h2);
1866	>	checkCompletedWithWrappedCancellationException(h3);
1867	>	r1.assertNotInvoked();
1868	>	r2.assertNotInvoked();
1869	>	r3.assertNotInvoked();
1870	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1871	>	checkCancelled(failFirst ? fst : snd);
1872		}}
1873
1874		/**
#	Line 1546 | Line 1882 | public class CompletableFutureTest exten
1882		{
1883		final CompletableFuture<Integer> f = new CompletableFuture<>();
1884		final CompletableFuture<Integer> g = new CompletableFuture<>();
1885	<	final FailingBiConsumer r = new FailingBiConsumer(m);
1886	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1887	<
1888	<	if (fFirst) {
1889	<	f.complete(v1);
1890	<	g.complete(v2);
1891	<	} else {
1892	<	g.complete(v2);
1893	<	f.complete(v1);
1894	<	}
1885	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1886	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1887	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1888	>
1889	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1890	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1891	>	final Integer w1 =  fFirst ? v1 : v2;
1892	>	final Integer w2 = !fFirst ? v1 : v2;
1893	>
1894	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1895	>	assertTrue(fst.complete(w1));
1896	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1897	>	assertTrue(snd.complete(w2));
1898	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1899
1900	<	checkCompletedWithWrappedCFException(h);
1900	>	checkCompletedWithWrappedCFException(h1);
1901	>	checkCompletedWithWrappedCFException(h2);
1902	>	checkCompletedWithWrappedCFException(h3);
1903	>	r1.assertInvoked();
1904	>	r2.assertInvoked();
1905	>	r3.assertInvoked();
1906		checkCompletedNormally(f, v1);
1907		checkCompletedNormally(g, v2);
1908		}}
#	Line 1568 | Line 1913 | public class CompletableFutureTest exten
1913		*/
1914		public void testRunAfterBoth_normalCompletion() {
1915		for (ExecutionMode m : ExecutionMode.values())
1571	–	for (boolean createIncomplete : new boolean[] { true, false })
1916		for (boolean fFirst : new boolean[] { true, false })
1917		for (Integer v1 : new Integer[] { 1, null })
1918		for (Integer v2 : new Integer[] { 2, null })
1919		{
1920		final CompletableFuture<Integer> f = new CompletableFuture<>();
1921		final CompletableFuture<Integer> g = new CompletableFuture<>();
1922	<	final Noop r = new Noop(m);
1923	<
1924	<	if (fFirst) f.complete(v1); else g.complete(v2);
1925	<	if (!createIncomplete)
1926	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1927	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1928	<	if (createIncomplete) {
1929	<	checkIncomplete(h);
1930	<	r.assertNotInvoked();
1931	<	if (!fFirst) f.complete(v1); else g.complete(v2);
1932	<	}
1922	>	final Noop r1 = new Noop(m);
1923	>	final Noop r2 = new Noop(m);
1924	>	final Noop r3 = new Noop(m);
1925	>
1926	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1927	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1928	>	final Integer w1 =  fFirst ? v1 : v2;
1929	>	final Integer w2 = !fFirst ? v1 : v2;
1930	>
1931	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1932	>	assertTrue(fst.complete(w1));
1933	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1934	>	checkIncomplete(h1);
1935	>	checkIncomplete(h2);
1936	>	r1.assertNotInvoked();
1937	>	r2.assertNotInvoked();
1938	>	assertTrue(snd.complete(w2));
1939	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1940
1941	<	checkCompletedNormally(h, null);
1942	<	r.assertInvoked();
1941	>	checkCompletedNormally(h1, null);
1942	>	checkCompletedNormally(h2, null);
1943	>	checkCompletedNormally(h3, null);
1944	>	r1.assertInvoked();
1945	>	r2.assertInvoked();
1946	>	r3.assertInvoked();
1947		checkCompletedNormally(f, v1);
1948		checkCompletedNormally(g, v2);
1949		}}
#	Line 1597 | Line 1952 | public class CompletableFutureTest exten
1952		* runAfterBoth result completes exceptionally after exceptional
1953		* completion of either source
1954		*/
1955	<	public void testRunAfterBoth_exceptionalCompletion() {
1955	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1956		for (ExecutionMode m : ExecutionMode.values())
1602	–	for (boolean createIncomplete : new boolean[] { true, false })
1957		for (boolean fFirst : new boolean[] { true, false })
1958	+	for (boolean failFirst : new boolean[] { true, false })
1959		for (Integer v1 : new Integer[] { 1, null })
1960		{
1961		final CompletableFuture<Integer> f = new CompletableFuture<>();
1962		final CompletableFuture<Integer> g = new CompletableFuture<>();
1963		final CFException ex = new CFException();
1964	<	final Noop r = new Noop(m);
1965	<
1966	<	(fFirst ? f : g).complete(v1);
1967	<	if (!createIncomplete)
1968	<	(!fFirst ? f : g).completeExceptionally(ex);
1969	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1970	<	if (createIncomplete) {
1971	<	checkIncomplete(h);
1972	<	(!fFirst ? f : g).completeExceptionally(ex);
1973	<	}
1974	<
1975	<	checkCompletedWithWrappedCFException(h, ex);
1976	<	r.assertNotInvoked();
1977	<	checkCompletedNormally(fFirst ? f : g, v1);
1978	<	checkCompletedWithWrappedCFException(!fFirst ? f : g, ex);
1964	>	final Noop r1 = new Noop(m);
1965	>	final Noop r2 = new Noop(m);
1966	>	final Noop r3 = new Noop(m);
1967	>
1968	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1969	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1970	>	final Callable<Boolean> complete1 = failFirst ?
1971	>	() -> fst.completeExceptionally(ex) :
1972	>	() -> fst.complete(v1);
1973	>	final Callable<Boolean> complete2 = failFirst ?
1974	>	() -> snd.complete(v1) :
1975	>	() -> snd.completeExceptionally(ex);
1976	>
1977	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1978	>	assertTrue(complete1.call());
1979	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1980	>	checkIncomplete(h1);
1981	>	checkIncomplete(h2);
1982	>	assertTrue(complete2.call());
1983	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1984	>
1985	>	checkCompletedWithWrappedException(h1, ex);
1986	>	checkCompletedWithWrappedException(h2, ex);
1987	>	checkCompletedWithWrappedException(h3, ex);
1988	>	r1.assertNotInvoked();
1989	>	r2.assertNotInvoked();
1990	>	r3.assertNotInvoked();
1991	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1992	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1993		}}
1994
1995		/**
1996		* runAfterBoth result completes exceptionally if either source cancelled
1997		*/
1998	<	public void testRunAfterBoth_sourceCancelled() {
1998	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
1999		for (ExecutionMode m : ExecutionMode.values())
2000		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1632	–	for (boolean createIncomplete : new boolean[] { true, false })
2001		for (boolean fFirst : new boolean[] { true, false })
2002	+	for (boolean failFirst : new boolean[] { true, false })
2003		for (Integer v1 : new Integer[] { 1, null })
2004		{
2005		final CompletableFuture<Integer> f = new CompletableFuture<>();
2006		final CompletableFuture<Integer> g = new CompletableFuture<>();
2007	<	final Noop r = new Noop(m);
2007	>	final Noop r1 = new Noop(m);
2008	>	final Noop r2 = new Noop(m);
2009	>	final Noop r3 = new Noop(m);
2010
2011	+	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2012	+	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2013	+	final Callable<Boolean> complete1 = failFirst ?
2014	+	() -> fst.cancel(mayInterruptIfRunning) :
2015	+	() -> fst.complete(v1);
2016	+	final Callable<Boolean> complete2 = failFirst ?
2017	+	() -> snd.complete(v1) :
2018	+	() -> snd.cancel(mayInterruptIfRunning);
2019
2020	<	(fFirst ? f : g).complete(v1);
2021	<	if (!createIncomplete)
2022	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
2023	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2024	<	if (createIncomplete) {
2025	<	checkIncomplete(h);
2026	<	assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning));
1648	<	}
2020	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2021	>	assertTrue(complete1.call());
2022	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2023	>	checkIncomplete(h1);
2024	>	checkIncomplete(h2);
2025	>	assertTrue(complete2.call());
2026	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2027
2028	<	checkCompletedWithWrappedCancellationException(h);
2029	<	checkCancelled(!fFirst ? f : g);
2030	<	r.assertNotInvoked();
2031	<	checkCompletedNormally(fFirst ? f : g, v1);
2028	>	checkCompletedWithWrappedCancellationException(h1);
2029	>	checkCompletedWithWrappedCancellationException(h2);
2030	>	checkCompletedWithWrappedCancellationException(h3);
2031	>	r1.assertNotInvoked();
2032	>	r2.assertNotInvoked();
2033	>	r3.assertNotInvoked();
2034	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2035	>	checkCancelled(failFirst ? fst : snd);
2036		}}
2037
2038		/**
#	Line 1666 | Line 2048 | public class CompletableFutureTest exten
2048		final CompletableFuture<Integer> g = new CompletableFuture<>();
2049		final FailingRunnable r1 = new FailingRunnable(m);
2050		final FailingRunnable r2 = new FailingRunnable(m);
2051	+	final FailingRunnable r3 = new FailingRunnable(m);
2052
2053	<	CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2054	<	if (fFirst) {
2055	<	f.complete(v1);
2056	<	g.complete(v2);
2057	<	} else {
2058	<	g.complete(v2);
2059	<	f.complete(v1);
2060	<	}
2061	<	CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2053	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2054	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2055	>	final Integer w1 =  fFirst ? v1 : v2;
2056	>	final Integer w2 = !fFirst ? v1 : v2;
2057	>
2058	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2059	>	assertTrue(fst.complete(w1));
2060	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2061	>	assertTrue(snd.complete(w2));
2062	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2063
2064		checkCompletedWithWrappedCFException(h1);
2065		checkCompletedWithWrappedCFException(h2);
2066	+	checkCompletedWithWrappedCFException(h3);
2067	+	r1.assertInvoked();
2068	+	r2.assertInvoked();
2069	+	r3.assertInvoked();
2070		checkCompletedNormally(f, v1);
2071		checkCompletedNormally(g, v2);
2072		}}
#	Line 1752 | Line 2140 | public class CompletableFutureTest exten
2140		rs[0].assertNotInvoked();
2141		rs[1].assertNotInvoked();
2142		f.completeExceptionally(ex);
2143	<	checkCompletedWithWrappedCFException(h0, ex);
2144	<	checkCompletedWithWrappedCFException(h1, ex);
2143	>	checkCompletedWithWrappedException(h0, ex);
2144	>	checkCompletedWithWrappedException(h1, ex);
2145		final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2146		final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2147	<	checkCompletedWithWrappedCFException(h2, ex);
2148	<	checkCompletedWithWrappedCFException(h3, ex);
2147	>	checkCompletedWithWrappedException(h2, ex);
2148	>	checkCompletedWithWrappedException(h3, ex);
2149		g.complete(v1);
2150
2151		// unspecified behavior - both source completions available
#	Line 1765 | Line 2153 | public class CompletableFutureTest exten
2153		final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2154		try {
2155		assertEquals(inc(v1), h4.join());
2156	<	rs[4].assertInvoked();
2156	>	rs[4].assertValue(inc(v1));
2157		} catch (CompletionException ok) {
2158	<	checkCompletedWithWrappedCFException(h4, ex);
2158	>	checkCompletedWithWrappedException(h4, ex);
2159		rs[4].assertNotInvoked();
2160		}
2161		try {
2162		assertEquals(inc(v1), h5.join());
2163	<	rs[5].assertInvoked();
2163	>	rs[5].assertValue(inc(v1));
2164		} catch (CompletionException ok) {
2165	<	checkCompletedWithWrappedCFException(h5, ex);
2165	>	checkCompletedWithWrappedException(h5, ex);
2166		rs[5].assertNotInvoked();
2167		}
2168
2169	<	checkCompletedWithWrappedCFException(f, ex);
2169	>	checkCompletedExceptionally(f, ex);
2170		checkCompletedNormally(g, v1);
2171	<	checkCompletedWithWrappedCFException(h0, ex);
2172	<	checkCompletedWithWrappedCFException(h1, ex);
2173	<	checkCompletedWithWrappedCFException(h2, ex);
2174	<	checkCompletedWithWrappedCFException(h3, ex);
2175	<	checkCompletedWithWrappedCFException(h4, ex);
2171	>	checkCompletedWithWrappedException(h0, ex);
2172	>	checkCompletedWithWrappedException(h1, ex);
2173	>	checkCompletedWithWrappedException(h2, ex);
2174	>	checkCompletedWithWrappedException(h3, ex);
2175	>	checkCompletedWithWrappedException(h4, ex);
2176		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2177		}}
2178
2179	+	public void testApplyToEither_exceptionalCompletion2() {
2180	+	for (ExecutionMode m : ExecutionMode.values())
2181	+	for (boolean fFirst : new boolean[] { true, false })
2182	+	for (Integer v1 : new Integer[] { 1, null })
2183	+	{
2184	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
2185	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
2186	+	final CFException ex = new CFException();
2187	+	final IncFunction[] rs = new IncFunction[6];
2188	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2189	+
2190	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2191	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2192	+	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2193	+	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2194	+	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2195	+	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2196	+
2197	+	// unspecified behavior - both source completions available
2198	+	try {
2199	+	assertEquals(inc(v1), h0.join());
2200	+	rs[0].assertValue(inc(v1));
2201	+	} catch (CompletionException ok) {
2202	+	checkCompletedWithWrappedException(h0, ex);
2203	+	rs[0].assertNotInvoked();
2204	+	}
2205	+	try {
2206	+	assertEquals(inc(v1), h1.join());
2207	+	rs[1].assertValue(inc(v1));
2208	+	} catch (CompletionException ok) {
2209	+	checkCompletedWithWrappedException(h1, ex);
2210	+	rs[1].assertNotInvoked();
2211	+	}
2212	+	try {
2213	+	assertEquals(inc(v1), h2.join());
2214	+	rs[2].assertValue(inc(v1));
2215	+	} catch (CompletionException ok) {
2216	+	checkCompletedWithWrappedException(h2, ex);
2217	+	rs[2].assertNotInvoked();
2218	+	}
2219	+	try {
2220	+	assertEquals(inc(v1), h3.join());
2221	+	rs[3].assertValue(inc(v1));
2222	+	} catch (CompletionException ok) {
2223	+	checkCompletedWithWrappedException(h3, ex);
2224	+	rs[3].assertNotInvoked();
2225	+	}
2226	+
2227	+	checkCompletedNormally(f, v1);
2228	+	checkCompletedExceptionally(g, ex);
2229	+	}}
2230	+
2231		/**
2232		* applyToEither result completes exceptionally if either source cancelled
2233		*/
#	Line 1821 | Line 2261 | public class CompletableFutureTest exten
2261		final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2262		try {
2263		assertEquals(inc(v1), h4.join());
2264	<	rs[4].assertInvoked();
2264	>	rs[4].assertValue(inc(v1));
2265		} catch (CompletionException ok) {
2266		checkCompletedWithWrappedCancellationException(h4);
2267		rs[4].assertNotInvoked();
2268		}
2269		try {
2270		assertEquals(inc(v1), h5.join());
2271	<	rs[5].assertInvoked();
2271	>	rs[5].assertValue(inc(v1));
2272		} catch (CompletionException ok) {
2273		checkCompletedWithWrappedCancellationException(h5);
2274		rs[5].assertNotInvoked();
#	Line 1843 | Line 2283 | public class CompletableFutureTest exten
2283		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2284		}}
2285
2286	+	public void testApplyToEither_sourceCancelled2() {
2287	+	for (ExecutionMode m : ExecutionMode.values())
2288	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2289	+	for (boolean fFirst : new boolean[] { true, false })
2290	+	for (Integer v1 : new Integer[] { 1, null })
2291	+	{
2292	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
2293	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
2294	+	final IncFunction[] rs = new IncFunction[6];
2295	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2296	+
2297	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2298	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2299	+	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2300	+	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2301	+	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2302	+	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2303	+
2304	+	// unspecified behavior - both source completions available
2305	+	try {
2306	+	assertEquals(inc(v1), h0.join());
2307	+	rs[0].assertValue(inc(v1));
2308	+	} catch (CompletionException ok) {
2309	+	checkCompletedWithWrappedCancellationException(h0);
2310	+	rs[0].assertNotInvoked();
2311	+	}
2312	+	try {
2313	+	assertEquals(inc(v1), h1.join());
2314	+	rs[1].assertValue(inc(v1));
2315	+	} catch (CompletionException ok) {
2316	+	checkCompletedWithWrappedCancellationException(h1);
2317	+	rs[1].assertNotInvoked();
2318	+	}
2319	+	try {
2320	+	assertEquals(inc(v1), h2.join());
2321	+	rs[2].assertValue(inc(v1));
2322	+	} catch (CompletionException ok) {
2323	+	checkCompletedWithWrappedCancellationException(h2);
2324	+	rs[2].assertNotInvoked();
2325	+	}
2326	+	try {
2327	+	assertEquals(inc(v1), h3.join());
2328	+	rs[3].assertValue(inc(v1));
2329	+	} catch (CompletionException ok) {
2330	+	checkCompletedWithWrappedCancellationException(h3);
2331	+	rs[3].assertNotInvoked();
2332	+	}
2333	+
2334	+	checkCompletedNormally(f, v1);
2335	+	checkCancelled(g);
2336	+	}}
2337	+
2338		/**
2339		* applyToEither result completes exceptionally if action does
2340		*/
#	Line 1957 | Line 2449 | public class CompletableFutureTest exten
2449		rs[0].assertNotInvoked();
2450		rs[1].assertNotInvoked();
2451		f.completeExceptionally(ex);
2452	<	checkCompletedWithWrappedCFException(h0, ex);
2453	<	checkCompletedWithWrappedCFException(h1, ex);
2452	>	checkCompletedWithWrappedException(h0, ex);
2453	>	checkCompletedWithWrappedException(h1, ex);
2454		final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2455		final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2456	<	checkCompletedWithWrappedCFException(h2, ex);
2457	<	checkCompletedWithWrappedCFException(h3, ex);
2456	>	checkCompletedWithWrappedException(h2, ex);
2457	>	checkCompletedWithWrappedException(h3, ex);
2458
2459		g.complete(v1);
2460
#	Line 1973 | Line 2465 | public class CompletableFutureTest exten
2465		assertNull(h4.join());
2466		rs[4].assertValue(v1);
2467		} catch (CompletionException ok) {
2468	<	checkCompletedWithWrappedCFException(h4, ex);
2468	>	checkCompletedWithWrappedException(h4, ex);
2469		rs[4].assertNotInvoked();
2470		}
2471		try {
2472		assertNull(h5.join());
2473		rs[5].assertValue(v1);
2474		} catch (CompletionException ok) {
2475	<	checkCompletedWithWrappedCFException(h5, ex);
2475	>	checkCompletedWithWrappedException(h5, ex);
2476		rs[5].assertNotInvoked();
2477		}
2478
2479	<	checkCompletedWithWrappedCFException(f, ex);
2479	>	checkCompletedExceptionally(f, ex);
2480		checkCompletedNormally(g, v1);
2481	<	checkCompletedWithWrappedCFException(h0, ex);
2482	<	checkCompletedWithWrappedCFException(h1, ex);
2483	<	checkCompletedWithWrappedCFException(h2, ex);
2484	<	checkCompletedWithWrappedCFException(h3, ex);
2485	<	checkCompletedWithWrappedCFException(h4, ex);
2481	>	checkCompletedWithWrappedException(h0, ex);
2482	>	checkCompletedWithWrappedException(h1, ex);
2483	>	checkCompletedWithWrappedException(h2, ex);
2484	>	checkCompletedWithWrappedException(h3, ex);
2485	>	checkCompletedWithWrappedException(h4, ex);
2486		for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2487		}}
2488
2489	+	public void testAcceptEither_exceptionalCompletion2() {
2490	+	for (ExecutionMode m : ExecutionMode.values())
2491	+	for (boolean fFirst : new boolean[] { true, false })
2492	+	for (Integer v1 : new Integer[] { 1, null })
2493	+	{
2494	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
2495	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
2496	+	final CFException ex = new CFException();
2497	+	final NoopConsumer[] rs = new NoopConsumer[6];
2498	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2499	+
2500	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2501	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2502	+	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2503	+	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2504	+	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2505	+	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2506	+
2507	+	// unspecified behavior - both source completions available
2508	+	try {
2509	+	assertEquals(null, h0.join());
2510	+	rs[0].assertValue(v1);
2511	+	} catch (CompletionException ok) {
2512	+	checkCompletedWithWrappedException(h0, ex);
2513	+	rs[0].assertNotInvoked();
2514	+	}
2515	+	try {
2516	+	assertEquals(null, h1.join());
2517	+	rs[1].assertValue(v1);
2518	+	} catch (CompletionException ok) {
2519	+	checkCompletedWithWrappedException(h1, ex);
2520	+	rs[1].assertNotInvoked();
2521	+	}
2522	+	try {
2523	+	assertEquals(null, h2.join());
2524	+	rs[2].assertValue(v1);
2525	+	} catch (CompletionException ok) {
2526	+	checkCompletedWithWrappedException(h2, ex);
2527	+	rs[2].assertNotInvoked();
2528	+	}
2529	+	try {
2530	+	assertEquals(null, h3.join());
2531	+	rs[3].assertValue(v1);
2532	+	} catch (CompletionException ok) {
2533	+	checkCompletedWithWrappedException(h3, ex);
2534	+	rs[3].assertNotInvoked();
2535	+	}
2536	+
2537	+	checkCompletedNormally(f, v1);
2538	+	checkCompletedExceptionally(g, ex);
2539	+	}}
2540	+
2541		/**
2542		* acceptEither result completes exceptionally if either source cancelled
2543		*/
#	Line 2095 | Line 2639 | public class CompletableFutureTest exten
2639		* runAfterEither result completes normally after normal completion
2640		* of either source
2641		*/
2642	<	public void testRunAfterEither_normalCompletion1() {
2642	>	public void testRunAfterEither_normalCompletion() {
2643		for (ExecutionMode m : ExecutionMode.values())
2644		for (Integer v1 : new Integer[] { 1, null })
2645		for (Integer v2 : new Integer[] { 2, null })
2646		{
2647		final CompletableFuture<Integer> f = new CompletableFuture<>();
2648		final CompletableFuture<Integer> g = new CompletableFuture<>();
2649	<	final Noop r = new Noop(m);
2650	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2649	>	final Noop[] rs = new Noop[6];
2650	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2651
2652	+	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2653	+	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2654	+	checkIncomplete(h0);
2655	+	checkIncomplete(h1);
2656	+	rs[0].assertNotInvoked();
2657	+	rs[1].assertNotInvoked();
2658		f.complete(v1);
2659	<	checkCompletedNormally(h, null);
2660	<	r.assertInvoked();
2661	<	g.complete(v2);
2662	<
2663	<	checkCompletedNormally(f, v1);
2664	<	checkCompletedNormally(g, v2);
2665	<	checkCompletedNormally(h, null);
2666	<	r.assertInvoked();
2667	<	}}
2668	<
2119	<	public void testRunAfterEither_normalCompletion2() {
2120	<	for (ExecutionMode m : ExecutionMode.values())
2121	<	for (Integer v1 : new Integer[] { 1, null })
2122	<	for (Integer v2 : new Integer[] { 2, null })
2123	<	{
2124	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2125	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2126	<	final Noop r = new Noop(m);
2127	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2659	>	checkCompletedNormally(h0, null);
2660	>	checkCompletedNormally(h1, null);
2661	>	rs[0].assertInvoked();
2662	>	rs[1].assertInvoked();
2663	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2664	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2665	>	checkCompletedNormally(h2, null);
2666	>	checkCompletedNormally(h3, null);
2667	>	rs[2].assertInvoked();
2668	>	rs[3].assertInvoked();
2669
2670		g.complete(v2);
2130	–	checkCompletedNormally(h, null);
2131	–	r.assertInvoked();
2132	–	f.complete(v1);
2133	–
2134	–	checkCompletedNormally(f, v1);
2135	–	checkCompletedNormally(g, v2);
2136	–	checkCompletedNormally(h, null);
2137	–	r.assertInvoked();
2138	–	}}
2139	–
2140	–	public void testRunAfterEither_normalCompletion3() {
2141	–	for (ExecutionMode m : ExecutionMode.values())
2142	–	for (Integer v1 : new Integer[] { 1, null })
2143	–	for (Integer v2 : new Integer[] { 2, null })
2144	–	{
2145	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2146	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2147	–	final Noop r = new Noop(m);
2671
2672	<	f.complete(v1);
2673	<	g.complete(v2);
2151	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2672	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2673	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2674
2153	–	checkCompletedNormally(h, null);
2675		checkCompletedNormally(f, v1);
2676		checkCompletedNormally(g, v2);
2677	<	r.assertInvoked();
2677	>	checkCompletedNormally(h0, null);
2678	>	checkCompletedNormally(h1, null);
2679	>	checkCompletedNormally(h2, null);
2680	>	checkCompletedNormally(h3, null);
2681	>	checkCompletedNormally(h4, null);
2682	>	checkCompletedNormally(h5, null);
2683	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2684		}}
2685
2686		/**
2687		* runAfterEither result completes exceptionally after exceptional
2688		* completion of either source
2689		*/
2690	<	public void testRunAfterEither_exceptionalCompletion1() {
2690	>	public void testRunAfterEither_exceptionalCompletion() {
2691		for (ExecutionMode m : ExecutionMode.values())
2692		for (Integer v1 : new Integer[] { 1, null })
2693		{
2694		final CompletableFuture<Integer> f = new CompletableFuture<>();
2695		final CompletableFuture<Integer> g = new CompletableFuture<>();
2169	–	final Noop r = new Noop(m);
2170	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2696		final CFException ex = new CFException();
2697	+	final Noop[] rs = new Noop[6];
2698	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2699
2700	<	f.completeExceptionally(ex);
2701	<	checkCompletedWithWrappedCFException(h, ex);
2702	<	g.complete(v1);
2703	<
2704	<	r.assertNotInvoked();
2705	<	checkCompletedNormally(g, v1);
2706	<	checkCompletedWithWrappedCFException(f, ex);
2707	<	checkCompletedWithWrappedCFException(h, ex);
2708	<	}}
2709	<
2710	<	public void testRunAfterEither_exceptionalCompletion2() {
2711	<	for (ExecutionMode m : ExecutionMode.values())
2712	<	for (Integer v1 : new Integer[] { 1, null })
2186	<	{
2187	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2188	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2189	<	final Noop r = new Noop(m);
2190	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2191	<	final CFException ex = new CFException();
2192	<
2193	<	g.completeExceptionally(ex);
2194	<	checkCompletedWithWrappedCFException(h, ex);
2195	<	f.complete(v1);
2196	<
2197	<	r.assertNotInvoked();
2198	<	checkCompletedNormally(f, v1);
2199	<	checkCompletedWithWrappedCFException(g, ex);
2200	<	checkCompletedWithWrappedCFException(h, ex);
2201	<	}}
2202	<
2203	<	public void testRunAfterEither_exceptionalCompletion3() {
2204	<	for (ExecutionMode m : ExecutionMode.values())
2205	<	for (Integer v1 : new Integer[] { 1, null })
2206	<	{
2207	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2208	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2209	<	final Noop r = new Noop(m);
2210	<	final CFException ex = new CFException();
2700	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2701	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2702	>	checkIncomplete(h0);
2703	>	checkIncomplete(h1);
2704	>	rs[0].assertNotInvoked();
2705	>	rs[1].assertNotInvoked();
2706	>	assertTrue(f.completeExceptionally(ex));
2707	>	checkCompletedWithWrappedException(h0, ex);
2708	>	checkCompletedWithWrappedException(h1, ex);
2709	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2710	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2711	>	checkCompletedWithWrappedException(h2, ex);
2712	>	checkCompletedWithWrappedException(h3, ex);
2713
2714	<	g.completeExceptionally(ex);
2213	<	f.complete(v1);
2214	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2714	>	assertTrue(g.complete(v1));
2715
2716	<	// unspecified behavior
2717	<	Integer v;
2716	>	// unspecified behavior - both source completions available
2717	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2718	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2719		try {
2720	<	assertNull(h.join());
2721	<	r.assertInvoked();
2720	>	assertNull(h4.join());
2721	>	rs[4].assertInvoked();
2722		} catch (CompletionException ok) {
2723	<	checkCompletedWithWrappedCFException(h, ex);
2724	<	r.assertNotInvoked();
2723	>	checkCompletedWithWrappedException(h4, ex);
2724	>	rs[4].assertNotInvoked();
2725		}
2225	–
2226	–	checkCompletedWithWrappedCFException(g, ex);
2227	–	checkCompletedNormally(f, v1);
2228	–	}}
2229	–
2230	–	public void testRunAfterEither_exceptionalCompletion4() {
2231	–	for (ExecutionMode m : ExecutionMode.values())
2232	–	for (Integer v1 : new Integer[] { 1, null })
2233	–	{
2234	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2235	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2236	–	final Noop r = new Noop(m);
2237	–	final CFException ex = new CFException();
2238	–
2239	–	f.completeExceptionally(ex);
2240	–	g.complete(v1);
2241	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2242	–
2243	–	// unspecified behavior
2244	–	Integer v;
2726		try {
2727	<	assertNull(h.join());
2728	<	r.assertInvoked();
2727	>	assertNull(h5.join());
2728	>	rs[5].assertInvoked();
2729		} catch (CompletionException ok) {
2730	<	checkCompletedWithWrappedCFException(h, ex);
2731	<	r.assertNotInvoked();
2730	>	checkCompletedWithWrappedException(h5, ex);
2731	>	rs[5].assertNotInvoked();
2732		}
2733
2734	<	checkCompletedWithWrappedCFException(f, ex);
2734	>	checkCompletedExceptionally(f, ex);
2735		checkCompletedNormally(g, v1);
2736	+	checkCompletedWithWrappedException(h0, ex);
2737	+	checkCompletedWithWrappedException(h1, ex);
2738	+	checkCompletedWithWrappedException(h2, ex);
2739	+	checkCompletedWithWrappedException(h3, ex);
2740	+	checkCompletedWithWrappedException(h4, ex);
2741	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2742		}}
2743
2744	<	/**
2258	<	* runAfterEither result completes exceptionally if action does
2259	<	*/
2260	<	public void testRunAfterEither_actionFailed1() {
2744	>	public void testRunAfterEither_exceptionalCompletion2() {
2745		for (ExecutionMode m : ExecutionMode.values())
2746	+	for (boolean fFirst : new boolean[] { true, false })
2747		for (Integer v1 : new Integer[] { 1, null })
2263	–	for (Integer v2 : new Integer[] { 2, null })
2748		{
2749		final CompletableFuture<Integer> f = new CompletableFuture<>();
2750		final CompletableFuture<Integer> g = new CompletableFuture<>();
2751	<	final FailingRunnable r = new FailingRunnable(m);
2752	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2751	>	final CFException ex = new CFException();
2752	>	final Noop[] rs = new Noop[6];
2753	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2754
2755	<	f.complete(v1);
2756	<	checkCompletedWithWrappedCFException(h);
2757	<	g.complete(v2);
2758	<	checkCompletedNormally(f, v1);
2759	<	checkCompletedNormally(g, v2);
2760	<	}}
2755	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2756	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2757	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2758	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2759	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2760	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2761
2762	<	public void testRunAfterEither_actionFailed2() {
2763	<	for (ExecutionMode m : ExecutionMode.values())
2764	<	for (Integer v1 : new Integer[] { 1, null })
2765	<	for (Integer v2 : new Integer[] { 2, null })
2766	<	{
2767	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2768	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2769	<	final FailingRunnable r = new FailingRunnable(m);
2770	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2762	>	// unspecified behavior - both source completions available
2763	>	try {
2764	>	assertEquals(null, h0.join());
2765	>	rs[0].assertInvoked();
2766	>	} catch (CompletionException ok) {
2767	>	checkCompletedWithWrappedException(h0, ex);
2768	>	rs[0].assertNotInvoked();
2769	>	}
2770	>	try {
2771	>	assertEquals(null, h1.join());
2772	>	rs[1].assertInvoked();
2773	>	} catch (CompletionException ok) {
2774	>	checkCompletedWithWrappedException(h1, ex);
2775	>	rs[1].assertNotInvoked();
2776	>	}
2777	>	try {
2778	>	assertEquals(null, h2.join());
2779	>	rs[2].assertInvoked();
2780	>	} catch (CompletionException ok) {
2781	>	checkCompletedWithWrappedException(h2, ex);
2782	>	rs[2].assertNotInvoked();
2783	>	}
2784	>	try {
2785	>	assertEquals(null, h3.join());
2786	>	rs[3].assertInvoked();
2787	>	} catch (CompletionException ok) {
2788	>	checkCompletedWithWrappedException(h3, ex);
2789	>	rs[3].assertNotInvoked();
2790	>	}
2791
2287	–	g.complete(v2);
2288	–	checkCompletedWithWrappedCFException(h);
2289	–	f.complete(v1);
2792		checkCompletedNormally(f, v1);
2793	<	checkCompletedNormally(g, v2);
2793	>	checkCompletedExceptionally(g, ex);
2794		}}
2795
2796		/**
2797		* runAfterEither result completes exceptionally if either source cancelled
2798		*/
2799	<	public void testRunAfterEither_sourceCancelled1() {
2298	<	for (ExecutionMode m : ExecutionMode.values())
2299	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2300	<	for (Integer v1 : new Integer[] { 1, null })
2301	<	{
2302	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2303	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2304	<	final Noop r = new Noop(m);
2305	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2306	<
2307	<	assertTrue(f.cancel(mayInterruptIfRunning));
2308	<	checkCompletedWithWrappedCancellationException(h);
2309	<	g.complete(v1);
2310	<
2311	<	checkCancelled(f);
2312	<	r.assertNotInvoked();
2313	<	checkCompletedNormally(g, v1);
2314	<	checkCompletedWithWrappedCancellationException(h);
2315	<	}}
2316	<
2317	<	public void testRunAfterEither_sourceCancelled2() {
2799	>	public void testRunAfterEither_sourceCancelled() {
2800		for (ExecutionMode m : ExecutionMode.values())
2801		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2802		for (Integer v1 : new Integer[] { 1, null })
2803		{
2804		final CompletableFuture<Integer> f = new CompletableFuture<>();
2805		final CompletableFuture<Integer> g = new CompletableFuture<>();
2806	<	final Noop r = new Noop(m);
2807	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2806	>	final Noop[] rs = new Noop[6];
2807	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2808
2809	<	assertTrue(g.cancel(mayInterruptIfRunning));
2810	<	checkCompletedWithWrappedCancellationException(h);
2811	<	f.complete(v1);
2812	<
2813	<	checkCancelled(g);
2814	<	r.assertNotInvoked();
2815	<	checkCompletedNormally(f, v1);
2816	<	checkCompletedWithWrappedCancellationException(h);
2817	<	}}
2818	<
2819	<	public void testRunAfterEither_sourceCancelled3() {
2820	<	for (ExecutionMode m : ExecutionMode.values())
2821	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2340	<	for (Integer v1 : new Integer[] { 1, null })
2341	<	{
2342	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2343	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2344	<	final Noop r = new Noop(m);
2809	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2810	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2811	>	checkIncomplete(h0);
2812	>	checkIncomplete(h1);
2813	>	rs[0].assertNotInvoked();
2814	>	rs[1].assertNotInvoked();
2815	>	f.cancel(mayInterruptIfRunning);
2816	>	checkCompletedWithWrappedCancellationException(h0);
2817	>	checkCompletedWithWrappedCancellationException(h1);
2818	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2819	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2820	>	checkCompletedWithWrappedCancellationException(h2);
2821	>	checkCompletedWithWrappedCancellationException(h3);
2822
2823	<	assertTrue(g.cancel(mayInterruptIfRunning));
2347	<	f.complete(v1);
2348	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2823	>	assertTrue(g.complete(v1));
2824
2825	<	// unspecified behavior
2826	<	Integer v;
2825	>	// unspecified behavior - both source completions available
2826	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2827	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2828	>	try {
2829	>	assertNull(h4.join());
2830	>	rs[4].assertInvoked();
2831	>	} catch (CompletionException ok) {
2832	>	checkCompletedWithWrappedCancellationException(h4);
2833	>	rs[4].assertNotInvoked();
2834	>	}
2835		try {
2836	<	assertNull(h.join());
2837	<	r.assertInvoked();
2836	>	assertNull(h5.join());
2837	>	rs[5].assertInvoked();
2838		} catch (CompletionException ok) {
2839	<	checkCompletedWithWrappedCancellationException(h);
2840	<	r.assertNotInvoked();
2839	>	checkCompletedWithWrappedCancellationException(h5);
2840	>	rs[5].assertNotInvoked();
2841		}
2842
2843	<	checkCancelled(g);
2844	<	checkCompletedNormally(f, v1);
2843	>	checkCancelled(f);
2844	>	checkCompletedNormally(g, v1);
2845	>	checkCompletedWithWrappedCancellationException(h0);
2846	>	checkCompletedWithWrappedCancellationException(h1);
2847	>	checkCompletedWithWrappedCancellationException(h2);
2848	>	checkCompletedWithWrappedCancellationException(h3);
2849	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2850		}}
2851
2852	<	public void testRunAfterEither_sourceCancelled4() {
2852	>	/**
2853	>	* runAfterEither result completes exceptionally if action does
2854	>	*/
2855	>	public void testRunAfterEither_actionFailed() {
2856		for (ExecutionMode m : ExecutionMode.values())
2366	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2857		for (Integer v1 : new Integer[] { 1, null })
2858	+	for (Integer v2 : new Integer[] { 2, null })
2859		{
2860		final CompletableFuture<Integer> f = new CompletableFuture<>();
2861		final CompletableFuture<Integer> g = new CompletableFuture<>();
2862	<	final Noop r = new Noop(m);
2863	<
2373	<	assertTrue(f.cancel(mayInterruptIfRunning));
2374	<	g.complete(v1);
2375	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2862	>	final FailingRunnable[] rs = new FailingRunnable[6];
2863	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2864
2865	<	// unspecified behavior
2866	<	Integer v;
2867	<	try {
2868	<	assertNull(h.join());
2869	<	r.assertInvoked();
2870	<	} catch (CompletionException ok) {
2871	<	checkCompletedWithWrappedCancellationException(h);
2872	<	r.assertNotInvoked();
2873	<	}
2865	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2866	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2867	>	assertTrue(f.complete(v1));
2868	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2869	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2870	>	checkCompletedWithWrappedCFException(h0);
2871	>	checkCompletedWithWrappedCFException(h1);
2872	>	checkCompletedWithWrappedCFException(h2);
2873	>	checkCompletedWithWrappedCFException(h3);
2874	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2875	>	assertTrue(g.complete(v2));
2876	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2877	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2878	>	checkCompletedWithWrappedCFException(h4);
2879	>	checkCompletedWithWrappedCFException(h5);
2880
2881	<	checkCancelled(f);
2882	<	checkCompletedNormally(g, v1);
2881	>	checkCompletedNormally(f, v1);
2882	>	checkCompletedNormally(g, v2);
2883	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2884		}}
2885
2886		/**
#	Line 2398 | Line 2893 | public class CompletableFutureTest exten
2893		{
2894		final CompletableFuture<Integer> f = new CompletableFuture<>();
2895		final CompletableFutureInc r = new CompletableFutureInc(m);
2896	<	if (!createIncomplete) f.complete(v1);
2896	>	if (!createIncomplete) assertTrue(f.complete(v1));
2897		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2898	<	if (createIncomplete) f.complete(v1);
2898	>	if (createIncomplete) assertTrue(f.complete(v1));
2899
2900		checkCompletedNormally(g, inc(v1));
2901		checkCompletedNormally(f, v1);
2902	<	r.assertInvoked();
2902	>	r.assertValue(v1);
2903		}}
2904
2905		/**
#	Line 2422 | Line 2917 | public class CompletableFutureTest exten
2917		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2918		if (createIncomplete) f.completeExceptionally(ex);
2919
2920	<	checkCompletedWithWrappedCFException(g, ex);
2921	<	checkCompletedWithWrappedCFException(f, ex);
2920	>	checkCompletedWithWrappedException(g, ex);
2921	>	checkCompletedExceptionally(f, ex);
2922		r.assertNotInvoked();
2923		}}
2924
#	Line 2438 | Line 2933 | public class CompletableFutureTest exten
2933		final CompletableFuture<Integer> f = new CompletableFuture<>();
2934		final FailingCompletableFutureFunction r
2935		= new FailingCompletableFutureFunction(m);
2936	<	if (!createIncomplete) f.complete(v1);
2936	>	if (!createIncomplete) assertTrue(f.complete(v1));
2937		final CompletableFuture<Integer> g = m.thenCompose(f, r);
2938	<	if (createIncomplete) f.complete(v1);
2938	>	if (createIncomplete) assertTrue(f.complete(v1));
2939
2940		checkCompletedWithWrappedCFException(g);
2941		checkCompletedNormally(f, v1);
#	Line 2467 | Line 2962 | public class CompletableFutureTest exten
2962		checkCancelled(f);
2963		}}
2964
2965	+	/**
2966	+	* thenCompose result completes exceptionally if the result of the action does
2967	+	*/
2968	+	public void testThenCompose_actionReturnsFailingFuture() {
2969	+	for (ExecutionMode m : ExecutionMode.values())
2970	+	for (int order = 0; order < 6; order++)
2971	+	for (Integer v1 : new Integer[] { 1, null })
2972	+	{
2973	+	final CFException ex = new CFException();
2974	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
2975	+	final CompletableFuture<Integer> g = new CompletableFuture<>();
2976	+	final CompletableFuture<Integer> h;
2977	+	// Test all permutations of orders
2978	+	switch (order) {
2979	+	case 0:
2980	+	assertTrue(f.complete(v1));
2981	+	assertTrue(g.completeExceptionally(ex));
2982	+	h = m.thenCompose(f, (x -> g));
2983	+	break;
2984	+	case 1:
2985	+	assertTrue(f.complete(v1));
2986	+	h = m.thenCompose(f, (x -> g));
2987	+	assertTrue(g.completeExceptionally(ex));
2988	+	break;
2989	+	case 2:
2990	+	assertTrue(g.completeExceptionally(ex));
2991	+	assertTrue(f.complete(v1));
2992	+	h = m.thenCompose(f, (x -> g));
2993	+	break;
2994	+	case 3:
2995	+	assertTrue(g.completeExceptionally(ex));
2996	+	h = m.thenCompose(f, (x -> g));
2997	+	assertTrue(f.complete(v1));
2998	+	break;
2999	+	case 4:
3000	+	h = m.thenCompose(f, (x -> g));
3001	+	assertTrue(f.complete(v1));
3002	+	assertTrue(g.completeExceptionally(ex));
3003	+	break;
3004	+	case 5:
3005	+	h = m.thenCompose(f, (x -> g));
3006	+	assertTrue(f.complete(v1));
3007	+	assertTrue(g.completeExceptionally(ex));
3008	+	break;
3009	+	default: throw new AssertionError();
3010	+	}
3011	+
3012	+	checkCompletedExceptionally(g, ex);
3013	+	checkCompletedWithWrappedException(h, ex);
3014	+	checkCompletedNormally(f, v1);
3015	+	}}
3016	+
3017		// other static methods
3018
3019		/**
#	Line 2483 | Line 3030 | public class CompletableFutureTest exten
3030		* when all components complete normally
3031		*/
3032		public void testAllOf_normal() throws Exception {
3033	<	for (int k = 1; k < 20; ++k) {
3033	>	for (int k = 1; k < 10; k++) {
3034		CompletableFuture<Integer>[] fs
3035		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3036	<	for (int i = 0; i < k; ++i)
3036	>	for (int i = 0; i < k; i++)
3037		fs[i] = new CompletableFuture<>();
3038		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3039	<	for (int i = 0; i < k; ++i) {
3039	>	for (int i = 0; i < k; i++) {
3040		checkIncomplete(f);
3041		checkIncomplete(CompletableFuture.allOf(fs));
3042		fs[i].complete(one);
#	Line 2500 | Line 3047 | public class CompletableFutureTest exten
3047		}
3048
3049		public void testAllOf_backwards() throws Exception {
3050	<	for (int k = 1; k < 20; ++k) {
3050	>	for (int k = 1; k < 10; k++) {
3051		CompletableFuture<Integer>[] fs
3052		= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3053	<	for (int i = 0; i < k; ++i)
3053	>	for (int i = 0; i < k; i++)
3054		fs[i] = new CompletableFuture<>();
3055		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3056		for (int i = k - 1; i >= 0; i--) {
#	Line 2516 | Line 3063 | public class CompletableFutureTest exten
3063		}
3064		}
3065
3066	+	public void testAllOf_exceptional() throws Exception {
3067	+	for (int k = 1; k < 10; k++) {
3068	+	CompletableFuture<Integer>[] fs
3069	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3070	+	CFException ex = new CFException();
3071	+	for (int i = 0; i < k; i++)
3072	+	fs[i] = new CompletableFuture<>();
3073	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3074	+	for (int i = 0; i < k; i++) {
3075	+	checkIncomplete(f);
3076	+	checkIncomplete(CompletableFuture.allOf(fs));
3077	+	if (i != k / 2) {
3078	+	fs[i].complete(i);
3079	+	checkCompletedNormally(fs[i], i);
3080	+	} else {
3081	+	fs[i].completeExceptionally(ex);
3082	+	checkCompletedExceptionally(fs[i], ex);
3083	+	}
3084	+	}
3085	+	checkCompletedWithWrappedException(f, ex);
3086	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3087	+	}
3088	+	}
3089	+
3090		/**
3091		* anyOf(no component futures) returns an incomplete future
3092		*/
3093		public void testAnyOf_empty() throws Exception {
3094	+	for (Integer v1 : new Integer[] { 1, null })
3095	+	{
3096		CompletableFuture<Object> f = CompletableFuture.anyOf();
3097		checkIncomplete(f);
3098	<	}
3098	>
3099	>	f.complete(v1);
3100	>	checkCompletedNormally(f, v1);
3101	>	}}
3102
3103		/**
3104		* anyOf returns a future completed normally with a value when
3105		* a component future does
3106		*/
3107		public void testAnyOf_normal() throws Exception {
3108	<	for (int k = 0; k < 10; ++k) {
3108	>	for (int k = 0; k < 10; k++) {
3109		CompletableFuture[] fs = 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<Object> f = CompletableFuture.anyOf(fs);
3113		checkIncomplete(f);
3114	<	for (int i = 0; i < k; ++i) {
3115	<	fs[i].complete(one);
3116	<	checkCompletedNormally(f, one);
3117	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3114	>	for (int i = 0; i < k; i++) {
3115	>	fs[i].complete(i);
3116	>	checkCompletedNormally(f, 0);
3117	>	int x = (int) CompletableFuture.anyOf(fs).join();
3118	>	assertTrue(0 <= x && x <= i);
3119	>	}
3120	>	}
3121	>	}
3122	>	public void testAnyOf_normal_backwards() throws Exception {
3123	>	for (int k = 0; k < 10; k++) {
3124	>	CompletableFuture[] fs = new CompletableFuture[k];
3125	>	for (int i = 0; i < k; i++)
3126	>	fs[i] = new CompletableFuture<>();
3127	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3128	>	checkIncomplete(f);
3129	>	for (int i = k - 1; i >= 0; i--) {
3130	>	fs[i].complete(i);
3131	>	checkCompletedNormally(f, k - 1);
3132	>	int x = (int) CompletableFuture.anyOf(fs).join();
3133	>	assertTrue(i <= x && x <= k - 1);
3134		}
3135		}
3136		}
#	Line 2547 | Line 3139 | public class CompletableFutureTest exten
3139		* anyOf result completes exceptionally when any component does.
3140		*/
3141		public void testAnyOf_exceptional() throws Exception {
3142	<	for (int k = 0; k < 10; ++k) {
3142	>	for (int k = 0; k < 10; k++) {
3143	>	CompletableFuture[] fs = new CompletableFuture[k];
3144	>	CFException[] exs = new CFException[k];
3145	>	for (int i = 0; i < k; i++) {
3146	>	fs[i] = new CompletableFuture<>();
3147	>	exs[i] = new CFException();
3148	>	}
3149	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3150	>	checkIncomplete(f);
3151	>	for (int i = 0; i < k; i++) {
3152	>	fs[i].completeExceptionally(exs[i]);
3153	>	checkCompletedWithWrappedException(f, exs[0]);
3154	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3155	>	}
3156	>	}
3157	>	}
3158	>
3159	>	public void testAnyOf_exceptional_backwards() throws Exception {
3160	>	for (int k = 0; k < 10; k++) {
3161		CompletableFuture[] fs = new CompletableFuture[k];
3162	<	for (int i = 0; i < k; ++i)
3162	>	CFException[] exs = new CFException[k];
3163	>	for (int i = 0; i < k; i++) {
3164		fs[i] = new CompletableFuture<>();
3165	+	exs[i] = new CFException();
3166	+	}
3167		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3168		checkIncomplete(f);
3169	<	for (int i = 0; i < k; ++i) {
3170	<	fs[i].completeExceptionally(new CFException());
3171	<	checkCompletedWithWrappedCFException(f);
3169	>	for (int i = k - 1; i >= 0; i--) {
3170	>	fs[i].completeExceptionally(exs[i]);
3171	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3172		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3173		}
3174		}
#	Line 2568 | Line 3181 | public class CompletableFutureTest exten
3181		CompletableFuture<Integer> f = new CompletableFuture<>();
3182		CompletableFuture<Integer> g = new CompletableFuture<>();
3183		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
2571	–	CompletableFuture<?> h;
3184		ThreadExecutor exec = new ThreadExecutor();
3185
3186		Runnable[] throwingActions = {
3187		() -> CompletableFuture.supplyAsync(null),
3188		() -> CompletableFuture.supplyAsync(null, exec),
3189	<	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null),
3189	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3190
3191		() -> CompletableFuture.runAsync(null),
3192		() -> CompletableFuture.runAsync(null, exec),
#	Line 2665 | Line 3277 | public class CompletableFutureTest exten
3277		() -> CompletableFuture.anyOf(null, f),
3278
3279		() -> f.obtrudeException(null),
3280	+
3281	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3282	+	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3283	+	() -> CompletableFuture.delayedExecutor(1L, null),
3284	+
3285	+	() -> f.orTimeout(1L, null),
3286	+	() -> f.completeOnTimeout(42, 1L, null),
3287	+
3288	+	() -> CompletableFuture.failedFuture(null),
3289	+	() -> CompletableFuture.failedStage(null),
3290		};
3291
3292		assertThrows(NullPointerException.class, throwingActions);
#	Line 2679 | Line 3301 | public class CompletableFutureTest exten
3301		assertSame(f, f.toCompletableFuture());
3302		}
3303
3304	+	// jdk9
3305	+
3306		/**
3307	<	* whenComplete action executes on normal completion, propagating
2684	<	* source result.
3307	>	* newIncompleteFuture returns an incomplete CompletableFuture
3308		*/
3309	<	public void testWhenComplete_normalCompletion1() {
2687	<	for (ExecutionMode m : ExecutionMode.values())
2688	<	for (boolean createIncomplete : new boolean[] { true, false })
3309	>	public void testNewIncompleteFuture() {
3310		for (Integer v1 : new Integer[] { 1, null })
3311		{
3312	<	final AtomicInteger a = new AtomicInteger(0);
3313	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3314	<	if (!createIncomplete) f.complete(v1);
3315	<	final CompletableFuture<Integer> g = m.whenComplete
3316	<	(f,
2696	<	(Integer x, Throwable t) -> {
2697	<	threadAssertSame(x, v1);
2698	<	threadAssertNull(t);
2699	<	a.getAndIncrement();
2700	<	});
2701	<	if (createIncomplete) f.complete(v1);
2702	<
2703	<	checkCompletedNormally(g, v1);
3312	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3313	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3314	>	checkIncomplete(f);
3315	>	checkIncomplete(g);
3316	>	f.complete(v1);
3317		checkCompletedNormally(f, v1);
3318	<	assertEquals(1, a.get());
3318	>	checkIncomplete(g);
3319	>	g.complete(v1);
3320	>	checkCompletedNormally(g, v1);
3321	>	assertSame(g.getClass(), CompletableFuture.class);
3322		}}
3323
3324		/**
3325	<	* whenComplete action executes on exceptional completion, propagating
2710	<	* source result.
3325	>	* completedStage returns a completed CompletionStage
3326		*/
3327	<	public void testWhenComplete_exceptionalCompletion() {
3328	<	for (ExecutionMode m : ExecutionMode.values())
3329	<	for (boolean createIncomplete : new boolean[] { true, false })
3327	>	public void testCompletedStage() {
3328	>	AtomicInteger x = new AtomicInteger(0);
3329	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3330	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3331	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3332	>	assertEquals(x.get(), 1);
3333	>	assertNull(r.get());
3334	>	}
3335	>
3336	>	/**
3337	>	* defaultExecutor by default returns the commonPool if
3338	>	* it supports more than one thread.
3339	>	*/
3340	>	public void testDefaultExecutor() {
3341	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3342	>	Executor e = f.defaultExecutor();
3343	>	Executor c = ForkJoinPool.commonPool();
3344	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3345	>	assertSame(e, c);
3346	>	else
3347	>	assertNotSame(e, c);
3348	>	}
3349	>
3350	>	/**
3351	>	* failedFuture returns a CompletableFuture completed
3352	>	* exceptionally with the given Exception
3353	>	*/
3354	>	public void testFailedFuture() {
3355	>	CFException ex = new CFException();
3356	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3357	>	checkCompletedExceptionally(f, ex);
3358	>	}
3359	>
3360	>	/**
3361	>	* failedFuture(null) throws NPE
3362	>	*/
3363	>	public void testFailedFuture_null() {
3364	>	try {
3365	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3366	>	shouldThrow();
3367	>	} catch (NullPointerException success) {}
3368	>	}
3369	>
3370	>	/**
3371	>	* copy returns a CompletableFuture that is completed normally,
3372	>	* with the same value, when source is.
3373	>	*/
3374	>	public void testCopy() {
3375	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3376	>	CompletableFuture<Integer> g = f.copy();
3377	>	checkIncomplete(f);
3378	>	checkIncomplete(g);
3379	>	f.complete(1);
3380	>	checkCompletedNormally(f, 1);
3381	>	checkCompletedNormally(g, 1);
3382	>	}
3383	>
3384	>	/**
3385	>	* copy returns a CompletableFuture that is completed exceptionally
3386	>	* when source is.
3387	>	*/
3388	>	public void testCopy2() {
3389	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3390	>	CompletableFuture<Integer> g = f.copy();
3391	>	checkIncomplete(f);
3392	>	checkIncomplete(g);
3393	>	CFException ex = new CFException();
3394	>	f.completeExceptionally(ex);
3395	>	checkCompletedExceptionally(f, ex);
3396	>	checkCompletedWithWrappedException(g, ex);
3397	>	}
3398	>
3399	>	/**
3400	>	* minimalCompletionStage returns a CompletableFuture that is
3401	>	* completed normally, with the same value, when source is.
3402	>	*/
3403	>	public void testMinimalCompletionStage() {
3404	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3405	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3406	>	AtomicInteger x = new AtomicInteger(0);
3407	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3408	>	checkIncomplete(f);
3409	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3410	>	f.complete(1);
3411	>	checkCompletedNormally(f, 1);
3412	>	assertEquals(x.get(), 1);
3413	>	assertNull(r.get());
3414	>	}
3415	>
3416	>	/**
3417	>	* minimalCompletionStage returns a CompletableFuture that is
3418	>	* completed exceptionally when source is.
3419	>	*/
3420	>	public void testMinimalCompletionStage2() {
3421	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3422	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3423	>	AtomicInteger x = new AtomicInteger(0);
3424	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3425	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3426	>	checkIncomplete(f);
3427	>	CFException ex = new CFException();
3428	>	f.completeExceptionally(ex);
3429	>	checkCompletedExceptionally(f, ex);
3430	>	assertEquals(x.get(), 0);
3431	>	assertEquals(r.get().getCause(), ex);
3432	>	}
3433	>
3434	>	/**
3435	>	* failedStage returns a CompletionStage completed
3436	>	* exceptionally with the given Exception
3437	>	*/
3438	>	public void testFailedStage() {
3439	>	CFException ex = new CFException();
3440	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3441	>	AtomicInteger x = new AtomicInteger(0);
3442	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3443	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3444	>	assertEquals(x.get(), 0);
3445	>	assertEquals(r.get(), ex);
3446	>	}
3447	>
3448	>	/**
3449	>	* completeAsync completes with value of given supplier
3450	>	*/
3451	>	public void testCompleteAsync() {
3452		for (Integer v1 : new Integer[] { 1, null })
3453		{
3454	<	final AtomicInteger a = new AtomicInteger(0);
3455	<	final CFException ex = new CFException();
3456	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3457	<	if (!createIncomplete) f.completeExceptionally(ex);
2721	<	final CompletableFuture<Integer> g = m.whenComplete
2722	<	(f,
2723	<	(Integer x, Throwable t) -> {
2724	<	threadAssertNull(x);
2725	<	threadAssertSame(t, ex);
2726	<	a.getAndIncrement();
2727	<	});
2728	<	if (createIncomplete) f.completeExceptionally(ex);
2729	<	checkCompletedWithWrappedCFException(f, ex);
2730	<	checkCompletedWithWrappedCFException(g, ex);
2731	<	assertEquals(1, a.get());
3454	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3455	>	f.completeAsync(() -> v1);
3456	>	f.join();
3457	>	checkCompletedNormally(f, v1);
3458		}}
3459
3460		/**
3461	<	* whenComplete action executes on cancelled source, propagating
2736	<	* CancellationException.
3461	>	* completeAsync completes exceptionally if given supplier throws
3462		*/
3463	<	public void testWhenComplete_sourceCancelled() {
3464	<	for (ExecutionMode m : ExecutionMode.values())
3465	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3466	<	for (boolean createIncomplete : new boolean[] { true, false })
3463	>	public void testCompleteAsync2() {
3464	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3465	>	CFException ex = new CFException();
3466	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3467	>	try {
3468	>	f.join();
3469	>	shouldThrow();
3470	>	} catch (CompletionException success) {}
3471	>	checkCompletedWithWrappedException(f, ex);
3472	>	}
3473	>
3474	>	/**
3475	>	* completeAsync with given executor completes with value of given supplier
3476	>	*/
3477	>	public void testCompleteAsync3() {
3478	>	for (Integer v1 : new Integer[] { 1, null })
3479		{
3480	<	final AtomicInteger a = new AtomicInteger(0);
3481	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3482	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3483	<	final CompletableFuture<Integer> g = m.whenComplete
3484	<	(f,
3485	<	(Integer x, Throwable t) -> {
3486	<	threadAssertNull(x);
2750	<	threadAssertTrue(t instanceof CancellationException);
2751	<	a.getAndIncrement();
2752	<	});
2753	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3480	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3481	>	ThreadExecutor executor = new ThreadExecutor();
3482	>	f.completeAsync(() -> v1, executor);
3483	>	assertSame(v1, f.join());
3484	>	checkCompletedNormally(f, v1);
3485	>	assertEquals(1, executor.count.get());
3486	>	}}
3487
3488	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3489	<	checkCompletedWithWrappedCancellationException(g);
3490	<	checkCancelled(f);
3491	<	assertEquals(1, a.get());
3488	>	/**
3489	>	* completeAsync with given executor completes exceptionally if
3490	>	* given supplier throws
3491	>	*/
3492	>	public void testCompleteAsync4() {
3493	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3494	>	CFException ex = new CFException();
3495	>	ThreadExecutor executor = new ThreadExecutor();
3496	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3497	>	try {
3498	>	f.join();
3499	>	shouldThrow();
3500	>	} catch (CompletionException success) {}
3501	>	checkCompletedWithWrappedException(f, ex);
3502	>	assertEquals(1, executor.count.get());
3503	>	}
3504	>
3505	>	/**
3506	>	* orTimeout completes with TimeoutException if not complete
3507	>	*/
3508	>	public void testOrTimeout_timesOut() {
3509	>	long timeoutMillis = timeoutMillis();
3510	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3511	>	long startTime = System.nanoTime();
3512	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3513	>	checkCompletedWithTimeoutException(f);
3514	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3515	>	}
3516	>
3517	>	/**
3518	>	* orTimeout completes normally if completed before timeout
3519	>	*/
3520	>	public void testOrTimeout_completed() {
3521	>	for (Integer v1 : new Integer[] { 1, null })
3522	>	{
3523	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3524	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3525	>	long startTime = System.nanoTime();
3526	>	f.complete(v1);
3527	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3528	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3529	>	g.complete(v1);
3530	>	checkCompletedNormally(f, v1);
3531	>	checkCompletedNormally(g, v1);
3532	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3533		}}
3534
3535		/**
3536	<	* If a whenComplete action throws an exception when triggered by
2763	<	* a normal completion, it completes exceptionally
3536	>	* completeOnTimeout completes with given value if not complete
3537		*/
3538	<	public void testWhenComplete_actionFailed() {
3539	<	for (boolean createIncomplete : new boolean[] { true, false })
3540	<	for (ExecutionMode m : ExecutionMode.values())
3538	>	public void testCompleteOnTimeout_timesOut() {
3539	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3540	>	() -> testCompleteOnTimeout_timesOut(null));
3541	>	}
3542	>
3543	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3544	>	long timeoutMillis = timeoutMillis();
3545	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3546	>	long startTime = System.nanoTime();
3547	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3548	>	assertSame(v, f.join());
3549	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3550	>	f.complete(99);         // should have no effect
3551	>	checkCompletedNormally(f, v);
3552	>	}
3553	>
3554	>	/**
3555	>	* completeOnTimeout has no effect if completed within timeout
3556	>	*/
3557	>	public void testCompleteOnTimeout_completed() {
3558		for (Integer v1 : new Integer[] { 1, null })
3559		{
3560	<	final AtomicInteger a = new AtomicInteger(0);
3561	<	final CFException ex = new CFException();
3562	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3563	<	if (!createIncomplete) f.complete(v1);
3564	<	final CompletableFuture<Integer> g = m.whenComplete
3565	<	(f,
3566	<	(Integer x, Throwable t) -> {
2777	<	threadAssertSame(x, v1);
2778	<	threadAssertNull(t);
2779	<	a.getAndIncrement();
2780	<	throw ex;
2781	<	});
2782	<	if (createIncomplete) f.complete(v1);
3560	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3561	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3562	>	long startTime = System.nanoTime();
3563	>	f.complete(v1);
3564	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3565	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3566	>	g.complete(v1);
3567		checkCompletedNormally(f, v1);
3568	<	checkCompletedWithWrappedCFException(g, ex);
3569	<	assertEquals(1, a.get());
3568	>	checkCompletedNormally(g, v1);
3569	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3570		}}
3571
3572		/**
3573	<	* If a whenComplete action throws an exception when triggered by
2790	<	* a source completion that also throws an exception, the source
2791	<	* exception takes precedence.
3573	>	* delayedExecutor returns an executor that delays submission
3574		*/
3575	<	public void testWhenComplete_actionFailedSourceFailed() {
3576	<	for (boolean createIncomplete : new boolean[] { true, false })
3575	>	public void testDelayedExecutor() {
3576	>	testInParallel(() -> testDelayedExecutor(null, null),
3577	>	() -> testDelayedExecutor(null, 1),
3578	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3579	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3580	>	}
3581	>
3582	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3583	>	long timeoutMillis = timeoutMillis();
3584	>	// Use an "unreasonably long" long timeout to catch lingering threads
3585	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3586	>	final Executor delayer, longDelayer;
3587	>	if (executor == null) {
3588	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3589	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3590	>	} else {
3591	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3592	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3593	>	}
3594	>	long startTime = System.nanoTime();
3595	>	CompletableFuture<Integer> f =
3596	>	CompletableFuture.supplyAsync(() -> v, delayer);
3597	>	CompletableFuture<Integer> g =
3598	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3599	>
3600	>	assertNull(g.getNow(null));
3601	>
3602	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3603	>	long millisElapsed = millisElapsedSince(startTime);
3604	>	assertTrue(millisElapsed >= timeoutMillis);
3605	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3606	>
3607	>	checkCompletedNormally(f, v);
3608	>
3609	>	checkIncomplete(g);
3610	>	assertTrue(g.cancel(true));
3611	>	}
3612	>
3613	>	//--- tests of implementation details; not part of official tck ---
3614	>
3615	>	Object resultOf(CompletableFuture<?> f) {
3616	>	try {
3617	>	java.lang.reflect.Field resultField
3618	>	= CompletableFuture.class.getDeclaredField("result");
3619	>	resultField.setAccessible(true);
3620	>	return resultField.get(f);
3621	>	} catch (Throwable t) { throw new AssertionError(t); }
3622	>	}
3623	>
3624	>	public void testExceptionPropagationReusesResultObject() {
3625	>	if (!testImplementationDetails) return;
3626		for (ExecutionMode m : ExecutionMode.values())
2796	–	for (Integer v1 : new Integer[] { 1, null })
3627		{
3628	<	final AtomicInteger a = new AtomicInteger(0);
3629	<	final CFException ex1 = new CFException();
3630	<	final CFException ex2 = new CFException();
2801	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3628	>	final CFException ex = new CFException();
3629	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3630	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3631
3632	<	if (!createIncomplete) f.completeExceptionally(ex1);
3633	<	final CompletableFuture<Integer> g = m.whenComplete
2805	<	(f,
2806	<	(Integer x, Throwable t) -> {
2807	<	threadAssertSame(t, ex1);
2808	<	threadAssertNull(x);
2809	<	a.getAndIncrement();
2810	<	throw ex2;
2811	<	});
2812	<	if (createIncomplete) f.completeExceptionally(ex1);
3632	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3633	>	= new ArrayList<>();
3634
3635	<	checkCompletedWithWrappedCFException(f, ex1);
3636	<	checkCompletedWithWrappedCFException(g, ex1);
3637	<	assertEquals(1, a.get());
3635	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3636	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3637	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3638	>
3639	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3640	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3641	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3642	>
3643	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3644	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3645	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3646	>
3647	>	funs.add((y) -> m.whenComplete(y, (Integer x, Throwable t) -> {}));
3648	>
3649	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3650	>
3651	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3652	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3653	>
3654	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3655	>	fun : funs) {
3656	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3657	>	f.completeExceptionally(ex);
3658	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3659	>	checkCompletedWithWrappedException(src, ex);
3660	>	CompletableFuture<?> dep = fun.apply(src);
3661	>	checkCompletedWithWrappedException(dep, ex);
3662	>	assertSame(resultOf(src), resultOf(dep));
3663	>	}
3664	>
3665	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3666	>	fun : funs) {
3667	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3668	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3669	>	CompletableFuture<?> dep = fun.apply(src);
3670	>	f.completeExceptionally(ex);
3671	>	checkCompletedWithWrappedException(src, ex);
3672	>	checkCompletedWithWrappedException(dep, ex);
3673	>	assertSame(resultOf(src), resultOf(dep));
3674	>	}
3675	>
3676	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3677	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3678	>	fun : funs) {
3679	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3680	>	f.cancel(mayInterruptIfRunning);
3681	>	checkCancelled(f);
3682	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3683	>	checkCompletedWithWrappedCancellationException(src);
3684	>	CompletableFuture<?> dep = fun.apply(src);
3685	>	checkCompletedWithWrappedCancellationException(dep);
3686	>	assertSame(resultOf(src), resultOf(dep));
3687	>	}
3688	>
3689	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3690	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3691	>	fun : funs) {
3692	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3693	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3694	>	CompletableFuture<?> dep = fun.apply(src);
3695	>	f.cancel(mayInterruptIfRunning);
3696	>	checkCancelled(f);
3697	>	checkCompletedWithWrappedCancellationException(src);
3698	>	checkCompletedWithWrappedCancellationException(dep);
3699	>	assertSame(resultOf(src), resultOf(dep));
3700	>	}
3701		}}
3702
3703	+	/**
3704	+	* Minimal completion stages throw UOE for all non-CompletionStage methods
3705	+	*/
3706	+	public void testMinimalCompletionStage_minimality() {
3707	+	if (!testImplementationDetails) return;
3708	+	Function<Method, String> toSignature =
3709	+	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3710	+	Predicate<Method> isNotStatic =
3711	+	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3712	+	List<Method> minimalMethods =
3713	+	Stream.of(Object.class, CompletionStage.class)
3714	+	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3715	+	.filter(isNotStatic)
3716	+	.collect(Collectors.toList());
3717	+	// Methods from CompletableFuture permitted NOT to throw UOE
3718	+	String[] signatureWhitelist = {
3719	+	"newIncompleteFuture[]",
3720	+	"defaultExecutor[]",
3721	+	"minimalCompletionStage[]",
3722	+	"copy[]",
3723	+	};
3724	+	Set<String> permittedMethodSignatures =
3725	+	Stream.concat(minimalMethods.stream().map(toSignature),
3726	+	Stream.of(signatureWhitelist))
3727	+	.collect(Collectors.toSet());
3728	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3729	+	.filter(isNotStatic)
3730	+	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3731	+	.collect(Collectors.toList());
3732	+
3733	+	CompletionStage<Integer> minimalStage =
3734	+	new CompletableFuture<Integer>().minimalCompletionStage();
3735	+
3736	+	List<Method> bugs = new ArrayList<>();
3737	+	for (Method method : allMethods) {
3738	+	Class<?>[] parameterTypes = method.getParameterTypes();
3739	+	Object[] args = new Object[parameterTypes.length];
3740	+	// Manufacture boxed primitives for primitive params
3741	+	for (int i = 0; i < args.length; i++) {
3742	+	Class<?> type = parameterTypes[i];
3743	+	if (parameterTypes[i] == boolean.class)
3744	+	args[i] = false;
3745	+	else if (parameterTypes[i] == int.class)
3746	+	args[i] = 0;
3747	+	else if (parameterTypes[i] == long.class)
3748	+	args[i] = 0L;
3749	+	}
3750	+	try {
3751	+	method.invoke(minimalStage, args);
3752	+	bugs.add(method);
3753	+	}
3754	+	catch (java.lang.reflect.InvocationTargetException expected) {
3755	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3756	+	bugs.add(method);
3757	+	// expected.getCause().printStackTrace();
3758	+	}
3759	+	}
3760	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3761	+	}
3762	+	if (!bugs.isEmpty())
3763	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3764	+	}
3765	+
3766	+	static class Monad {
3767	+	static class MonadError extends Error {
3768	+	public MonadError() { super("monadic zero"); }
3769	+	}
3770	+	// "return", "unit"
3771	+	static <T> CompletableFuture<T> unit(T value) {
3772	+	return completedFuture(value);
3773	+	}
3774	+	// monadic zero ?
3775	+	static <T> CompletableFuture<T> zero() {
3776	+	return failedFuture(new MonadError());
3777	+	}
3778	+	// >=>
3779	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3780	+	(Function<T, CompletableFuture<U>> f,
3781	+	Function<U, CompletableFuture<V>> g) {
3782	+	return (x) -> f.apply(x).thenCompose(g);
3783	+	}
3784	+
3785	+	static void assertZero(CompletableFuture<?> f) {
3786	+	try {
3787	+	f.getNow(null);
3788	+	throw new AssertionFailedError("should throw");
3789	+	} catch (CompletionException success) {
3790	+	assertTrue(success.getCause() instanceof MonadError);
3791	+	}
3792	+	}
3793	+
3794	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3795	+	CompletableFuture<T> g) {
3796	+	T fval = null, gval = null;
3797	+	Throwable fex = null, gex = null;
3798	+
3799	+	try { fval = f.get(); }
3800	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3801	+	catch (Throwable ex) { fex = ex; }
3802	+
3803	+	try { gval = g.get(); }
3804	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3805	+	catch (Throwable ex) { gex = ex; }
3806	+
3807	+	if (fex != null || gex != null)
3808	+	assertSame(fex.getClass(), gex.getClass());
3809	+	else
3810	+	assertEquals(fval, gval);
3811	+	}
3812	+
3813	+	static class PlusFuture<T> extends CompletableFuture<T> {
3814	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3815	+	}
3816	+
3817	+	// Monadic "plus"
3818	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3819	+	CompletableFuture<? extends T> g) {
3820	+	PlusFuture<T> plus = new PlusFuture<T>();
3821	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3822	+	if (ex == null) {
3823	+	if (plus.complete(result))
3824	+	if (plus.firstFailure.get() != null)
3825	+	plus.firstFailure.set(null);
3826	+	}
3827	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
3828	+	if (plus.isDone())
3829	+	plus.firstFailure.set(null);
3830	+	} else {
3831	+	// prefer failing with first failure
3832	+	plus.completeExceptionally(plus.firstFailure.getAndSet(null));
3833	+	}
3834	+	};
3835	+	f.whenComplete(action);
3836	+	g.whenComplete(action);
3837	+	return plus;
3838	+	}
3839	+	}
3840	+
3841	+	/**
3842	+	* CompletableFuture is an additive monad - sort of.
3843	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3844	+	*/
3845	+	public void testAdditiveMonad() throws Throwable {
3846	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3847	+	CompletableFuture<Long> zero = Monad.zero();
3848	+
3849	+	// Some mutually non-commutative functions
3850	+	Function<Long, CompletableFuture<Long>> triple
3851	+	= (x) -> Monad.unit(3 * x);
3852	+	Function<Long, CompletableFuture<Long>> inc
3853	+	= (x) -> Monad.unit(x + 1);
3854	+
3855	+	// unit is a right identity: m >>= unit === m
3856	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3857	+	inc.apply(5L));
3858	+	// unit is a left identity: (unit x) >>= f === f x
3859	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3860	+	inc.apply(5L));
3861	+
3862	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3863	+	Monad.assertFutureEquals(
3864	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3865	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3866	+
3867	+	// The case for CompletableFuture as an additive monad is weaker...
3868	+
3869	+	// zero is a monadic zero
3870	+	Monad.assertZero(zero);
3871	+
3872	+	// left zero: zero >>= f === zero
3873	+	Monad.assertZero(zero.thenCompose(inc));
3874	+	// right zero: f >>= (\x -> zero) === zero
3875	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3876	+
3877	+	// f plus zero === f
3878	+	Monad.assertFutureEquals(Monad.unit(5L),
3879	+	Monad.plus(Monad.unit(5L), zero));
3880	+	// zero plus f === f
3881	+	Monad.assertFutureEquals(Monad.unit(5L),
3882	+	Monad.plus(zero, Monad.unit(5L)));
3883	+	// zero plus zero === zero
3884	+	Monad.assertZero(Monad.plus(zero, zero));
3885	+	{
3886	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3887	+	Monad.unit(8L));
3888	+	// non-determinism
3889	+	assertTrue(f.get() == 5L || f.get() == 8L);
3890	+	}
3891	+
3892	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3893	+	// f plus godot === f (doesn't wait for godot)
3894	+	Monad.assertFutureEquals(Monad.unit(5L),
3895	+	Monad.plus(Monad.unit(5L), godot));
3896	+	// godot plus f === f (doesn't wait for godot)
3897	+	Monad.assertFutureEquals(Monad.unit(5L),
3898	+	Monad.plus(godot, Monad.unit(5L)));
3899	+	}
3900	+
3901	+	//     static <U> U join(CompletionStage<U> stage) {
3902	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3903	+	//         stage.whenComplete((v, ex) -> {
3904	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3905	+	//         });
3906	+	//         return f.join();
3907	+	//     }
3908	+
3909	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3910	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3911	+	//         stage.whenComplete((v, ex) -> {
3912	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3913	+	//         });
3914	+	//         return f.isDone();
3915	+	//     }
3916	+
3917	+	//     static <U> U join2(CompletionStage<U> stage) {
3918	+	//         return stage.toCompletableFuture().copy().join();
3919	+	//     }
3920	+
3921	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3922	+	//         return stage.toCompletableFuture().copy().isDone();
3923	+	//     }
3924	+
3925		}

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