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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.44 by jsr166, Mon Jun 2 06:06:30 2014 UTC vs.
Revision 1.151 by jsr166, Sun Jun 26 17:45:35 2016 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33		import java.util.concurrent.TimeoutException;
34	+	import java.util.concurrent.TimeUnit;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
23	<	import static java.util.concurrent.TimeUnit.SECONDS;
24	<	import java.util.*;
25	<	import java.util.function.Supplier;
26	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
28	–	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 42 | 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 55 | 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));
60	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 73 | 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) {
93	<	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 {
96	<	f.get();
97	<	shouldThrow();
98	<	} catch (ExecutionException success) {
99	<	assertTrue(success.getCause() instanceof CFException);
100	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
101	<	assertTrue(f.isDone());
102	<	assertFalse(f.isCancelled());
103	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
104	<	}
110	>	checker.accept(cause);
111
112	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
107	<	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 153 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} catch (Throwable fail) { threadUnexpectedException(fail); }
156	–	assertTrue(f.isDone());
157	–	assertTrue(f.isCompletedExceptionally());
158	–	assertTrue(f.isCancelled());
159	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
160	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	try {
164	<	f.get(LONG_DELAY_MS, MILLISECONDS);
165	<	shouldThrow();
166	<	} catch (ExecutionException success) {
167	<	assertTrue(success.getCause() instanceof CancellationException);
168	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
169	<	try {
170	<	f.join();
171	<	shouldThrow();
172	<	} catch (CompletionException success) {
173	<	assertTrue(success.getCause() instanceof CancellationException);
174	<	}
175	<	try {
176	<	f.getNow(null);
177	<	shouldThrow();
178	<	} catch (CompletionException success) {
179	<	assertTrue(success.getCause() instanceof CancellationException);
180	<	}
181	<	try {
182	<	f.get();
183	<	shouldThrow();
184	<	} catch (ExecutionException success) {
185	<	assertTrue(success.getCause() instanceof CancellationException);
186	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
188	–	assertFalse(f.isCancelled());
198		assertTrue(f.isCompletedExceptionally());
199	+	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 204 | 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 216 | 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 226 | 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 238 | 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 247 | Line 265 | public class CompletableFutureTest exten
265		f = new CompletableFuture<>();
266		f.obtrudeValue(three);
267		checkCompletedNormally(f, three);
268	+	f.obtrudeValue(null);
269	+	checkCompletedNormally(f, null);
270		f = new CompletableFuture<>();
271		f.completeExceptionally(new CFException());
272		f.obtrudeValue(four);
#	Line 257 | 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());
265	<	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);
275	<	}
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(f.getNumberOfDependents(), 0);
319	<	CompletableFuture g = f.thenRun(new Noop());
320	<	assertEquals(f.getNumberOfDependents(), 1);
321	<	assertEquals(g.getNumberOfDependents(), 0);
322	<	CompletableFuture h = f.thenRun(new Noop());
323	<	assertEquals(f.getNumberOfDependents(), 2);
324	<	f.complete(1);
318	>	assertEquals(0, f.getNumberOfDependents());
319	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
320	>	assertEquals(1, f.getNumberOfDependents());
321	>	assertEquals(0, g.getNumberOfDependents());
322	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
323	>	assertEquals(2, f.getNumberOfDependents());
324	>	assertEquals(0, h.getNumberOfDependents());
325	>	assertTrue(f.complete(v1));
326		checkCompletedNormally(g, null);
327	<	assertEquals(f.getNumberOfDependents(), 0);
328	<	assertEquals(g.getNumberOfDependents(), 0);
329	<	}
327	>	checkCompletedNormally(h, null);
328	>	assertEquals(0, f.getNumberOfDependents());
329	>	assertEquals(0, g.getNumberOfDependents());
330	>	assertEquals(0, h.getNumberOfDependents());
331	>	}}
332
333		/**
334		* toString indicates current completion state
#	Line 300 | 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 316 | Line 361 | public class CompletableFutureTest exten
361		checkCompletedNormally(f, "test");
362		}
363
364	<	// Choose non-commutative actions for better coverage
364	>	abstract class CheckedAction {
365	>	int invocationCount = 0;
366	>	final ExecutionMode m;
367	>	CheckedAction(ExecutionMode m) { this.m = m; }
368	>	void invoked() {
369	>	m.checkExecutionMode();
370	>	assertEquals(0, invocationCount++);
371	>	}
372	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
373	>	void assertInvoked() { assertEquals(1, invocationCount); }
374	>	}
375
376	<	// A non-commutative function that handles and produces null values as well.
377	<	static Integer subtract(Integer x, Integer y) {
378	<	return (x == null && y == null) ? null :
379	<	((x == null) ? 42 : x.intValue())
380	<	- ((y == null) ? 99 : y.intValue());
376	>	abstract class CheckedIntegerAction extends CheckedAction {
377	>	Integer value;
378	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
379	>	void assertValue(Integer expected) {
380	>	assertInvoked();
381	>	assertEquals(expected, value);
382	>	}
383	>	}
384	>
385	>	class IntegerSupplier extends CheckedAction
386	>	implements Supplier<Integer>
387	>	{
388	>	final Integer value;
389	>	IntegerSupplier(ExecutionMode m, Integer value) {
390	>	super(m);
391	>	this.value = value;
392	>	}
393	>	public Integer get() {
394	>	invoked();
395	>	return value;
396	>	}
397		}
398
399		// A function that handles and produces null values as well.
#	Line 330 | Line 401 | public class CompletableFutureTest exten
401		return (x == null) ? null : x + 1;
402		}
403
404	<	static final Supplier<Integer> supplyOne =
405	<	() -> Integer.valueOf(1);
406	<	static final Function<Integer, Integer> inc =
407	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
337	<	static final BiFunction<Integer, Integer, Integer> subtract =
338	<	(Integer x, Integer y) -> subtract(x, y);
339	<	static final class IncAction implements Consumer<Integer> {
340	<	int invocationCount = 0;
341	<	Integer value;
404	>	class NoopConsumer extends CheckedIntegerAction
405	>	implements Consumer<Integer>
406	>	{
407	>	NoopConsumer(ExecutionMode m) { super(m); }
408		public void accept(Integer x) {
409	<	invocationCount++;
410	<	value = inc(x);
409	>	invoked();
410	>	value = x;
411		}
412		}
413	<	static final class IncFunction implements Function<Integer,Integer> {
414	<	int invocationCount = 0;
415	<	Integer value;
413	>
414	>	class IncFunction extends CheckedIntegerAction
415	>	implements Function<Integer,Integer>
416	>	{
417	>	IncFunction(ExecutionMode m) { super(m); }
418		public Integer apply(Integer x) {
419	<	invocationCount++;
419	>	invoked();
420		return value = inc(x);
421		}
422		}
423	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
424	<	int invocationCount = 0;
425	<	Integer value;
426	<	// Check this action was invoked exactly once when result is computed.
423	>
424	>	// Choose non-commutative actions for better coverage
425	>	// A non-commutative function that handles and produces null values as well.
426	>	static Integer subtract(Integer x, Integer y) {
427	>	return (x == null && y == null) ? null :
428	>	((x == null) ? 42 : x.intValue())
429	>	- ((y == null) ? 99 : y.intValue());
430	>	}
431	>
432	>	class SubtractAction extends CheckedIntegerAction
433	>	implements BiConsumer<Integer, Integer>
434	>	{
435	>	SubtractAction(ExecutionMode m) { super(m); }
436		public void accept(Integer x, Integer y) {
437	<	invocationCount++;
437	>	invoked();
438		value = subtract(x, y);
439		}
440		}
441	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
442	<	int invocationCount = 0;
443	<	Integer value;
444	<	// Check this action was invoked exactly once when result is computed.
441	>
442	>	class SubtractFunction extends CheckedIntegerAction
443	>	implements BiFunction<Integer, Integer, Integer>
444	>	{
445	>	SubtractFunction(ExecutionMode m) { super(m); }
446		public Integer apply(Integer x, Integer y) {
447	<	invocationCount++;
447	>	invoked();
448		return value = subtract(x, y);
449		}
450		}
451	<	static final class Noop implements Runnable {
452	<	int invocationCount = 0;
451	>
452	>	class Noop extends CheckedAction implements Runnable {
453	>	Noop(ExecutionMode m) { super(m); }
454		public void run() {
455	<	invocationCount++;
455	>	invoked();
456		}
457		}
458
459	<	static final class FailingSupplier implements Supplier<Integer> {
460	<	int invocationCount = 0;
459	>	class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	final CFException ex;
463	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
464		public Integer get() {
465	<	invocationCount++;
466	<	throw new CFException();
465	>	invoked();
466	>	throw ex;
467		}
468		}
469	<	static final class FailingConsumer implements Consumer<Integer> {
470	<	int invocationCount = 0;
469	>
470	>	class FailingConsumer extends CheckedIntegerAction
471	>	implements Consumer<Integer>
472	>	{
473	>	final CFException ex;
474	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
475		public void accept(Integer x) {
476	<	invocationCount++;
477	<	throw new CFException();
476	>	invoked();
477	>	value = x;
478	>	throw ex;
479		}
480		}
481	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
482	<	int invocationCount = 0;
481	>
482	>	class FailingBiConsumer extends CheckedIntegerAction
483	>	implements BiConsumer<Integer, Integer>
484	>	{
485	>	final CFException ex;
486	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
487		public void accept(Integer x, Integer y) {
488	<	invocationCount++;
489	<	throw new CFException();
488	>	invoked();
489	>	value = subtract(x, y);
490	>	throw ex;
491		}
492		}
493	<	static final class FailingFunction implements Function<Integer, Integer> {
494	<	int invocationCount = 0;
493	>
494	>	class FailingFunction extends CheckedIntegerAction
495	>	implements Function<Integer, Integer>
496	>	{
497	>	final CFException ex;
498	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
499		public Integer apply(Integer x) {
500	<	invocationCount++;
501	<	throw new CFException();
500	>	invoked();
501	>	value = x;
502	>	throw ex;
503		}
504		}
505	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
506	<	int invocationCount = 0;
505	>
506	>	class FailingBiFunction extends CheckedIntegerAction
507	>	implements BiFunction<Integer, Integer, Integer>
508	>	{
509	>	final CFException ex;
510	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
511		public Integer apply(Integer x, Integer y) {
512	<	invocationCount++;
513	<	throw new CFException();
512	>	invoked();
513	>	value = subtract(x, y);
514	>	throw ex;
515		}
516		}
517	<	static final class FailingNoop implements Runnable {
518	<	int invocationCount = 0;
517	>
518	>	class FailingRunnable extends CheckedAction implements Runnable {
519	>	final CFException ex;
520	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
521		public void run() {
522	<	invocationCount++;
523	<	throw new CFException();
522	>	invoked();
523	>	throw ex;
524		}
525		}
526
527	<	static final class CompletableFutureInc
528	<	implements Function<Integer, CompletableFuture<Integer>> {
529	<	int invocationCount = 0;
527	>	class CompletableFutureInc extends CheckedIntegerAction
528	>	implements Function<Integer, CompletableFuture<Integer>>
529	>	{
530	>	CompletableFutureInc(ExecutionMode m) { super(m); }
531		public CompletableFuture<Integer> apply(Integer x) {
532	<	invocationCount++;
532	>	invoked();
533	>	value = x;
534		CompletableFuture<Integer> f = new CompletableFuture<>();
535	<	f.complete(inc(x));
535	>	assertTrue(f.complete(inc(x)));
536		return f;
537		}
538		}
539
540	<	static final class FailingCompletableFutureFunction
541	<	implements Function<Integer, CompletableFuture<Integer>> {
542	<	int invocationCount = 0;
540	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
541	>	implements Function<Integer, CompletableFuture<Integer>>
542	>	{
543	>	final CFException ex;
544	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
545		public CompletableFuture<Integer> apply(Integer x) {
546	<	invocationCount++;
547	<	throw new CFException();
546	>	invoked();
547	>	value = x;
548	>	throw ex;
549		}
550		}
551
552		// Used for explicit executor tests
553		static final class ThreadExecutor implements Executor {
554	<	AtomicInteger count = new AtomicInteger(0);
554	>	final AtomicInteger count = new AtomicInteger(0);
555	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
556	>	static boolean startedCurrentThread() {
557	>	return Thread.currentThread().getThreadGroup() == tg;
558	>	}
559
560		public void execute(Runnable r) {
561		count.getAndIncrement();
562	<	new Thread(r).start();
562	>	new Thread(tg, r).start();
563		}
564		}
565
566	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
567	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
455	<	}
456	<
457	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
458	<	int invocationCount = 0;
459	<	public Integer apply(Integer x, Throwable t) {
460	<	invocationCount++;
461	<	return (t == null) ? two : three;
462	<	}
463	<	}
566	>	static final boolean defaultExecutorIsCommonPool
567	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
568
569		/**
570		* Permits the testing of parallel code for the 3 different
571	<	* execution modes without repeating all the testing code.
571	>	* execution modes without copy/pasting all the test methods.
572		*/
573		enum ExecutionMode {
574	<	DEFAULT {
574	>	SYNC {
575	>	public void checkExecutionMode() {
576	>	assertFalse(ThreadExecutor.startedCurrentThread());
577	>	assertNull(ForkJoinTask.getPool());
578	>	}
579	>	public CompletableFuture<Void> runAsync(Runnable a) {
580	>	throw new UnsupportedOperationException();
581	>	}
582	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
583	>	throw new UnsupportedOperationException();
584	>	}
585	>	public <T> CompletableFuture<Void> thenRun
586	>	(CompletableFuture<T> f, Runnable a) {
587	>	return f.thenRun(a);
588	>	}
589	>	public <T> CompletableFuture<Void> thenAccept
590	>	(CompletableFuture<T> f, Consumer<? super T> a) {
591	>	return f.thenAccept(a);
592	>	}
593	>	public <T,U> CompletableFuture<U> thenApply
594	>	(CompletableFuture<T> f, Function<? super T,U> a) {
595	>	return f.thenApply(a);
596	>	}
597	>	public <T,U> CompletableFuture<U> thenCompose
598	>	(CompletableFuture<T> f,
599	>	Function<? super T,? extends CompletionStage<U>> a) {
600	>	return f.thenCompose(a);
601	>	}
602	>	public <T,U> CompletableFuture<U> handle
603	>	(CompletableFuture<T> f,
604	>	BiFunction<? super T,Throwable,? extends U> a) {
605	>	return f.handle(a);
606	>	}
607	>	public <T> CompletableFuture<T> whenComplete
608	>	(CompletableFuture<T> f,
609	>	BiConsumer<? super T,? super Throwable> a) {
610	>	return f.whenComplete(a);
611	>	}
612		public <T,U> CompletableFuture<Void> runAfterBoth
613		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
614		return f.runAfterBoth(g, a);
#	Line 484 | Line 625 | public class CompletableFutureTest exten
625		BiFunction<? super T,? super U,? extends V> a) {
626		return f.thenCombine(g, a);
627		}
628	<	public <T,U> CompletableFuture<U> applyToEither
628	>	public <T> CompletableFuture<Void> runAfterEither
629		(CompletableFuture<T> f,
630	<	CompletionStage<? extends T> g,
631	<	Function<? super T,U> a) {
632	<	return f.applyToEither(g, a);
630	>	CompletionStage<?> g,
631	>	java.lang.Runnable a) {
632	>	return f.runAfterEither(g, a);
633		}
634		public <T> CompletableFuture<Void> acceptEither
635		(CompletableFuture<T> f,
#	Line 496 | Line 637 | public class CompletableFutureTest exten
637		Consumer<? super T> a) {
638		return f.acceptEither(g, a);
639		}
640	<	public <T> CompletableFuture<Void> runAfterEither
640	>	public <T,U> CompletableFuture<U> applyToEither
641		(CompletableFuture<T> f,
642	<	CompletionStage<?> g,
643	<	java.lang.Runnable a) {
644	<	return f.runAfterEither(g, a);
642	>	CompletionStage<? extends T> g,
643	>	Function<? super T,U> a) {
644	>	return f.applyToEither(g, a);
645	>	}
646	>	},
647	>
648	>	ASYNC {
649	>	public void checkExecutionMode() {
650	>	assertEquals(defaultExecutorIsCommonPool,
651	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
652	>	}
653	>	public CompletableFuture<Void> runAsync(Runnable a) {
654	>	return CompletableFuture.runAsync(a);
655	>	}
656	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
657	>	return CompletableFuture.supplyAsync(a);
658	>	}
659	>	public <T> CompletableFuture<Void> thenRun
660	>	(CompletableFuture<T> f, Runnable a) {
661	>	return f.thenRunAsync(a);
662	>	}
663	>	public <T> CompletableFuture<Void> thenAccept
664	>	(CompletableFuture<T> f, Consumer<? super T> a) {
665	>	return f.thenAcceptAsync(a);
666	>	}
667	>	public <T,U> CompletableFuture<U> thenApply
668	>	(CompletableFuture<T> f, Function<? super T,U> a) {
669	>	return f.thenApplyAsync(a);
670		}
671		public <T,U> CompletableFuture<U> thenCompose
672		(CompletableFuture<T> f,
673		Function<? super T,? extends CompletionStage<U>> a) {
674	<	return f.thenCompose(a);
674	>	return f.thenComposeAsync(a);
675	>	}
676	>	public <T,U> CompletableFuture<U> handle
677	>	(CompletableFuture<T> f,
678	>	BiFunction<? super T,Throwable,? extends U> a) {
679	>	return f.handleAsync(a);
680		}
681		public <T> CompletableFuture<T> whenComplete
682		(CompletableFuture<T> f,
683		BiConsumer<? super T,? super Throwable> a) {
684	<	return f.whenComplete(a);
684	>	return f.whenCompleteAsync(a);
685		}
515	–	},
516	–
517	–	//             /** Experimental way to do more testing */
518	–	//         REVERSE_DEFAULT {
519	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
520	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
521	–	//                 return g.runAfterBoth(f, a);
522	–	//             }
523	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
524	–	//                 (CompletableFuture<T> f,
525	–	//                  CompletionStage<? extends U> g,
526	–	//                  BiConsumer<? super T,? super U> a) {
527	–	//                 return DEFAULT.thenAcceptBoth(f, g, a);
528	–	//             }
529	–	//         },
530	–
531	–	DEFAULT_ASYNC {
686		public <T,U> CompletableFuture<Void> runAfterBoth
687		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
688		return f.runAfterBothAsync(g, a);
#	Line 545 | Line 699 | public class CompletableFutureTest exten
699		BiFunction<? super T,? super U,? extends V> a) {
700		return f.thenCombineAsync(g, a);
701		}
702	<	public <T,U> CompletableFuture<U> applyToEither
702	>	public <T> CompletableFuture<Void> runAfterEither
703		(CompletableFuture<T> f,
704	<	CompletionStage<? extends T> g,
705	<	Function<? super T,U> a) {
706	<	return f.applyToEitherAsync(g, a);
704	>	CompletionStage<?> g,
705	>	java.lang.Runnable a) {
706	>	return f.runAfterEitherAsync(g, a);
707		}
708		public <T> CompletableFuture<Void> acceptEither
709		(CompletableFuture<T> f,
#	Line 557 | Line 711 | public class CompletableFutureTest exten
711		Consumer<? super T> a) {
712		return f.acceptEitherAsync(g, a);
713		}
714	<	public <T> CompletableFuture<Void> runAfterEither
714	>	public <T,U> CompletableFuture<U> applyToEither
715		(CompletableFuture<T> f,
716	<	CompletionStage<?> g,
717	<	java.lang.Runnable a) {
718	<	return f.runAfterEitherAsync(g, a);
716	>	CompletionStage<? extends T> g,
717	>	Function<? super T,U> a) {
718	>	return f.applyToEitherAsync(g, a);
719	>	}
720	>	},
721	>
722	>	EXECUTOR {
723	>	public void checkExecutionMode() {
724	>	assertTrue(ThreadExecutor.startedCurrentThread());
725	>	}
726	>	public CompletableFuture<Void> runAsync(Runnable a) {
727	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
728	>	}
729	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
730	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
731	>	}
732	>	public <T> CompletableFuture<Void> thenRun
733	>	(CompletableFuture<T> f, Runnable a) {
734	>	return f.thenRunAsync(a, new ThreadExecutor());
735	>	}
736	>	public <T> CompletableFuture<Void> thenAccept
737	>	(CompletableFuture<T> f, Consumer<? super T> a) {
738	>	return f.thenAcceptAsync(a, new ThreadExecutor());
739	>	}
740	>	public <T,U> CompletableFuture<U> thenApply
741	>	(CompletableFuture<T> f, Function<? super T,U> a) {
742	>	return f.thenApplyAsync(a, new ThreadExecutor());
743		}
744		public <T,U> CompletableFuture<U> thenCompose
745		(CompletableFuture<T> f,
746		Function<? super T,? extends CompletionStage<U>> a) {
747	<	return f.thenComposeAsync(a);
747	>	return f.thenComposeAsync(a, new ThreadExecutor());
748	>	}
749	>	public <T,U> CompletableFuture<U> handle
750	>	(CompletableFuture<T> f,
751	>	BiFunction<? super T,Throwable,? extends U> a) {
752	>	return f.handleAsync(a, new ThreadExecutor());
753		}
754		public <T> CompletableFuture<T> whenComplete
755		(CompletableFuture<T> f,
756		BiConsumer<? super T,? super Throwable> a) {
757	<	return f.whenCompleteAsync(a);
757	>	return f.whenCompleteAsync(a, new ThreadExecutor());
758		}
576	–	},
577	–
578	–	//         REVERSE_DEFAULT_ASYNC {
579	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
580	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
581	–	//                 return f.runAfterBothAsync(g, a);
582	–	//             }
583	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
584	–	//                 (CompletableFuture<T> f,
585	–	//                  CompletionStage<? extends U> g,
586	–	//                  BiConsumer<? super T,? super U> a) {
587	–	//                 return DEFAULT_ASYNC.thenAcceptBoth(f, g, a);
588	–	//             }
589	–	//         },
590	–
591	–	EXECUTOR {
759		public <T,U> CompletableFuture<Void> runAfterBoth
760		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
761		return f.runAfterBothAsync(g, a, new ThreadExecutor());
#	Line 605 | Line 772 | public class CompletableFutureTest exten
772		BiFunction<? super T,? super U,? extends V> a) {
773		return f.thenCombineAsync(g, a, new ThreadExecutor());
774		}
608	–	public <T,U> CompletableFuture<U> applyToEither
609	–	(CompletableFuture<T> f,
610	–	CompletionStage<? extends T> g,
611	–	Function<? super T,U> a) {
612	–	return f.applyToEitherAsync(g, a, new ThreadExecutor());
613	–	}
614	–	public <T> CompletableFuture<Void> acceptEither
615	–	(CompletableFuture<T> f,
616	–	CompletionStage<? extends T> g,
617	–	Consumer<? super T> a) {
618	–	return f.acceptEitherAsync(g, a, new ThreadExecutor());
619	–	}
775		public <T> CompletableFuture<Void> runAfterEither
776		(CompletableFuture<T> f,
777		CompletionStage<?> g,
778		java.lang.Runnable a) {
779		return f.runAfterEitherAsync(g, a, new ThreadExecutor());
780		}
781	<	public <T,U> CompletableFuture<U> thenCompose
781	>	public <T> CompletableFuture<Void> acceptEither
782		(CompletableFuture<T> f,
783	<	Function<? super T,? extends CompletionStage<U>> a) {
784	<	return f.thenComposeAsync(a, new ThreadExecutor());
783	>	CompletionStage<? extends T> g,
784	>	Consumer<? super T> a) {
785	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
786		}
787	<	public <T> CompletableFuture<T> whenComplete
787	>	public <T,U> CompletableFuture<U> applyToEither
788		(CompletableFuture<T> f,
789	<	BiConsumer<? super T,? super Throwable> a) {
790	<	return f.whenCompleteAsync(a, new ThreadExecutor());
789	>	CompletionStage<? extends T> g,
790	>	Function<? super T,U> a) {
791	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
792		}
793		};
794
795	+	public abstract void checkExecutionMode();
796	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
797	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
798	+	public abstract <T> CompletableFuture<Void> thenRun
799	+	(CompletableFuture<T> f, Runnable a);
800	+	public abstract <T> CompletableFuture<Void> thenAccept
801	+	(CompletableFuture<T> f, Consumer<? super T> a);
802	+	public abstract <T,U> CompletableFuture<U> thenApply
803	+	(CompletableFuture<T> f, Function<? super T,U> a);
804	+	public abstract <T,U> CompletableFuture<U> thenCompose
805	+	(CompletableFuture<T> f,
806	+	Function<? super T,? extends CompletionStage<U>> a);
807	+	public abstract <T,U> CompletableFuture<U> handle
808	+	(CompletableFuture<T> f,
809	+	BiFunction<? super T,Throwable,? extends U> a);
810	+	public abstract <T> CompletableFuture<T> whenComplete
811	+	(CompletableFuture<T> f,
812	+	BiConsumer<? super T,? super Throwable> a);
813		public abstract <T,U> CompletableFuture<Void> runAfterBoth
814		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
815		public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
#	Line 645 | Line 820 | public class CompletableFutureTest exten
820		(CompletableFuture<T> f,
821		CompletionStage<? extends U> g,
822		BiFunction<? super T,? super U,? extends V> a);
648	–	public abstract <T,U> CompletableFuture<U> applyToEither
649	–	(CompletableFuture<T> f,
650	–	CompletionStage<? extends T> g,
651	–	Function<? super T,U> a);
652	–	public abstract <T> CompletableFuture<Void> acceptEither
653	–	(CompletableFuture<T> f,
654	–	CompletionStage<? extends T> g,
655	–	Consumer<? super T> a);
823		public abstract <T> CompletableFuture<Void> runAfterEither
824		(CompletableFuture<T> f,
825		CompletionStage<?> g,
826		java.lang.Runnable a);
827	<	public abstract <T,U> CompletableFuture<U> thenCompose
827	>	public abstract <T> CompletableFuture<Void> acceptEither
828		(CompletableFuture<T> f,
829	<	Function<? super T,? extends CompletionStage<U>> a);
830	<	public abstract <T> CompletableFuture<T> whenComplete
829	>	CompletionStage<? extends T> g,
830	>	Consumer<? super T> a);
831	>	public abstract <T,U> CompletableFuture<U> applyToEither
832		(CompletableFuture<T> f,
833	<	BiConsumer<? super T,? super Throwable> a);
834	<
667	<
668	<	}
669	<
670	<	/**
671	<	* exceptionally action completes with function value on source
672	<	* exception; otherwise with source value
673	<	*/
674	<	public void testExceptionally() {
675	<	CompletableFuture<Integer> f = new CompletableFuture<>();
676	<	ExceptionToInteger r = new ExceptionToInteger();
677	<	CompletableFuture<Integer> g = f.exceptionally(r);
678	<	f.completeExceptionally(new CFException());
679	<	checkCompletedNormally(g, three);
680	<
681	<	f = new CompletableFuture<>();
682	<	r = new ExceptionToInteger();
683	<	g = f.exceptionally(r);
684	<	f.complete(one);
685	<	checkCompletedNormally(g, one);
686	<	}
687	<
688	<	/**
689	<	* handle action completes normally with function value on either
690	<	* normal or exceptional completion of source
691	<	*/
692	<	public void testHandle() {
693	<	CompletableFuture<Integer> f, g;
694	<	IntegerHandler r;
695	<
696	<	f = new CompletableFuture<>();
697	<	f.completeExceptionally(new CFException());
698	<	g = f.handle(r = new IntegerHandler());
699	<	assertEquals(1, r.invocationCount);
700	<	assertEquals(1, r.invocationCount);
701	<	checkCompletedNormally(g, three);
702	<
703	<	f = new CompletableFuture<>();
704	<	g = f.handle(r = new IntegerHandler());
705	<	assertEquals(0, r.invocationCount);
706	<	f.completeExceptionally(new CFException());
707	<	checkCompletedNormally(g, three);
708	<	assertEquals(1, r.invocationCount);
709	<
710	<	f = new CompletableFuture<>();
711	<	f.complete(one);
712	<	g = f.handle(r = new IntegerHandler());
713	<	assertEquals(1, r.invocationCount);
714	<	checkCompletedNormally(g, two);
715	<
716	<	f = new CompletableFuture<>();
717	<	g = f.handle(r = new IntegerHandler());
718	<	assertEquals(0, r.invocationCount);
719	<	f.complete(one);
720	<	assertEquals(1, r.invocationCount);
721	<	checkCompletedNormally(g, two);
722	<	}
723	<
724	<	/**
725	<	* runAsync completes after running Runnable
726	<	*/
727	<	public void testRunAsync() {
728	<	Noop r = new Noop();
729	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
730	<	assertNull(f.join());
731	<	assertEquals(1, r.invocationCount);
732	<	checkCompletedNormally(f, null);
733	<	}
734	<
735	<	/**
736	<	* runAsync with executor completes after running Runnable
737	<	*/
738	<	public void testRunAsync2() {
739	<	Noop r = new Noop();
740	<	ThreadExecutor exec = new ThreadExecutor();
741	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
742	<	assertNull(f.join());
743	<	assertEquals(1, r.invocationCount);
744	<	checkCompletedNormally(f, null);
745	<	assertEquals(1, exec.count.get());
746	<	}
747	<
748	<	/**
749	<	* failing runAsync completes exceptionally after running Runnable
750	<	*/
751	<	public void testRunAsync3() {
752	<	FailingNoop r = new FailingNoop();
753	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
754	<	checkCompletedWithWrappedCFException(f);
755	<	assertEquals(1, r.invocationCount);
833	>	CompletionStage<? extends T> g,
834	>	Function<? super T,U> a);
835		}
836
837		/**
838	<	* supplyAsync completes with result of supplier
838	>	* exceptionally action is not invoked when source completes
839	>	* normally, and source result is propagated
840		*/
841	<	public void testSupplyAsync() {
842	<	CompletableFuture<Integer> f;
843	<	f = CompletableFuture.supplyAsync(supplyOne);
844	<	assertEquals(f.join(), one);
845	<	checkCompletedNormally(f, one);
846	<	}
841	>	public void testExceptionally_normalCompletion() {
842	>	for (boolean createIncomplete : new boolean[] { true, false })
843	>	for (Integer v1 : new Integer[] { 1, null })
844	>	{
845	>	final AtomicInteger a = new AtomicInteger(0);
846	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
847	>	if (!createIncomplete) assertTrue(f.complete(v1));
848	>	final CompletableFuture<Integer> g = f.exceptionally
849	>	((Throwable t) -> {
850	>	a.getAndIncrement();
851	>	threadFail("should not be called");
852	>	return null;            // unreached
853	>	});
854	>	if (createIncomplete) assertTrue(f.complete(v1));
855
856	<	/**
857	<	* supplyAsync with executor completes with result of supplier
858	<	*/
859	<	public void testSupplyAsync2() {
772	<	CompletableFuture<Integer> f;
773	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
774	<	assertEquals(f.join(), one);
775	<	checkCompletedNormally(f, one);
776	<	}
856	>	checkCompletedNormally(g, v1);
857	>	checkCompletedNormally(f, v1);
858	>	assertEquals(0, a.get());
859	>	}}
860
861		/**
862	<	* Failing supplyAsync completes exceptionally
862	>	* exceptionally action completes with function value on source
863	>	* exception
864		*/
865	<	public void testSupplyAsync3() {
866	<	FailingSupplier r = new FailingSupplier();
867	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
868	<	checkCompletedWithWrappedCFException(f);
869	<	assertEquals(1, r.invocationCount);
870	<	}
865	>	public void testExceptionally_exceptionalCompletion() {
866	>	for (boolean createIncomplete : new boolean[] { true, false })
867	>	for (Integer v1 : new Integer[] { 1, null })
868	>	{
869	>	final AtomicInteger a = new AtomicInteger(0);
870	>	final CFException ex = new CFException();
871	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
872	>	if (!createIncomplete) f.completeExceptionally(ex);
873	>	final CompletableFuture<Integer> g = f.exceptionally
874	>	((Throwable t) -> {
875	>	ExecutionMode.SYNC.checkExecutionMode();
876	>	threadAssertSame(t, ex);
877	>	a.getAndIncrement();
878	>	return v1;
879	>	});
880	>	if (createIncomplete) f.completeExceptionally(ex);
881
882	<	// seq completion methods
882	>	checkCompletedNormally(g, v1);
883	>	assertEquals(1, a.get());
884	>	}}
885
886		/**
887	<	* thenRun result completes normally after normal completion of source
887	>	* If an "exceptionally action" throws an exception, it completes
888	>	* exceptionally with that exception
889		*/
890	<	public void testThenRun() {
891	<	CompletableFuture<Integer> f;
892	<	CompletableFuture<Void> g;
893	<	Noop r;
894	<
895	<	f = new CompletableFuture<>();
896	<	g = f.thenRun(r = new Noop());
897	<	f.complete(null);
898	<	checkCompletedNormally(g, null);
899	<	assertEquals(1, r.invocationCount);
890	>	public void testExceptionally_exceptionalCompletionActionFailed() {
891	>	for (boolean createIncomplete : new boolean[] { true, false })
892	>	{
893	>	final AtomicInteger a = new AtomicInteger(0);
894	>	final CFException ex1 = new CFException();
895	>	final CFException ex2 = new CFException();
896	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
897	>	if (!createIncomplete) f.completeExceptionally(ex1);
898	>	final CompletableFuture<Integer> g = f.exceptionally
899	>	((Throwable t) -> {
900	>	ExecutionMode.SYNC.checkExecutionMode();
901	>	threadAssertSame(t, ex1);
902	>	a.getAndIncrement();
903	>	throw ex2;
904	>	});
905	>	if (createIncomplete) f.completeExceptionally(ex1);
906
907	<	f = new CompletableFuture<>();
908	<	f.complete(null);
909	<	g = f.thenRun(r = new Noop());
910	<	checkCompletedNormally(g, null);
808	<	assertEquals(1, r.invocationCount);
809	<	}
907	>	checkCompletedWithWrappedException(g, ex2);
908	>	checkCompletedExceptionally(f, ex1);
909	>	assertEquals(1, a.get());
910	>	}}
911
912		/**
913	<	* thenRun result completes exceptionally after exceptional
914	<	* completion of source
913	>	* whenComplete action executes on normal completion, propagating
914	>	* source result.
915		*/
916	<	public void testThenRun2() {
917	<	CompletableFuture<Integer> f;
918	<	CompletableFuture<Void> g;
919	<	Noop r;
920	<
921	<	f = new CompletableFuture<>();
922	<	g = f.thenRun(r = new Noop());
923	<	f.completeExceptionally(new CFException());
924	<	checkCompletedWithWrappedCFException(g);
925	<	assertEquals(0, r.invocationCount);
916	>	public void testWhenComplete_normalCompletion() {
917	>	for (ExecutionMode m : ExecutionMode.values())
918	>	for (boolean createIncomplete : new boolean[] { true, false })
919	>	for (Integer v1 : new Integer[] { 1, null })
920	>	{
921	>	final AtomicInteger a = new AtomicInteger(0);
922	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
923	>	if (!createIncomplete) assertTrue(f.complete(v1));
924	>	final CompletableFuture<Integer> g = m.whenComplete
925	>	(f,
926	>	(Integer result, Throwable t) -> {
927	>	m.checkExecutionMode();
928	>	threadAssertSame(result, v1);
929	>	threadAssertNull(t);
930	>	a.getAndIncrement();
931	>	});
932	>	if (createIncomplete) assertTrue(f.complete(v1));
933
934	<	f = new CompletableFuture<>();
935	<	f.completeExceptionally(new CFException());
936	<	g = f.thenRun(r = new Noop());
937	<	checkCompletedWithWrappedCFException(g);
830	<	assertEquals(0, r.invocationCount);
831	<	}
934	>	checkCompletedNormally(g, v1);
935	>	checkCompletedNormally(f, v1);
936	>	assertEquals(1, a.get());
937	>	}}
938
939		/**
940	<	* thenRun result completes exceptionally if action does
940	>	* whenComplete action executes on exceptional completion, propagating
941	>	* source result.
942		*/
943	<	public void testThenRun3() {
944	<	CompletableFuture<Integer> f;
945	<	CompletableFuture<Void> g;
946	<	FailingNoop r;
947	<
948	<	f = new CompletableFuture<>();
949	<	g = f.thenRun(r = new FailingNoop());
950	<	f.complete(null);
951	<	checkCompletedWithWrappedCFException(g);
943	>	public void testWhenComplete_exceptionalCompletion() {
944	>	for (ExecutionMode m : ExecutionMode.values())
945	>	for (boolean createIncomplete : new boolean[] { true, false })
946	>	{
947	>	final AtomicInteger a = new AtomicInteger(0);
948	>	final CFException ex = new CFException();
949	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
950	>	if (!createIncomplete) f.completeExceptionally(ex);
951	>	final CompletableFuture<Integer> g = m.whenComplete
952	>	(f,
953	>	(Integer result, Throwable t) -> {
954	>	m.checkExecutionMode();
955	>	threadAssertNull(result);
956	>	threadAssertSame(t, ex);
957	>	a.getAndIncrement();
958	>	});
959	>	if (createIncomplete) f.completeExceptionally(ex);
960
961	<	f = new CompletableFuture<>();
962	<	f.complete(null);
963	<	g = f.thenRun(r = new FailingNoop());
964	<	checkCompletedWithWrappedCFException(g);
850	<	}
961	>	checkCompletedWithWrappedException(g, ex);
962	>	checkCompletedExceptionally(f, ex);
963	>	assertEquals(1, a.get());
964	>	}}
965
966		/**
967	<	* thenRun result completes exceptionally if source cancelled
967	>	* whenComplete action executes on cancelled source, propagating
968	>	* CancellationException.
969		*/
970	<	public void testThenRun4() {
971	<	CompletableFuture<Integer> f;
972	<	CompletableFuture<Void> g;
973	<	Noop r;
974	<
975	<	f = new CompletableFuture<>();
976	<	g = f.thenRun(r = new Noop());
977	<	assertTrue(f.cancel(true));
978	<	checkCompletedWithWrappedCancellationException(g);
970	>	public void testWhenComplete_sourceCancelled() {
971	>	for (ExecutionMode m : ExecutionMode.values())
972	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
973	>	for (boolean createIncomplete : new boolean[] { true, false })
974	>	{
975	>	final AtomicInteger a = new AtomicInteger(0);
976	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
977	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
978	>	final CompletableFuture<Integer> g = m.whenComplete
979	>	(f,
980	>	(Integer result, Throwable t) -> {
981	>	m.checkExecutionMode();
982	>	threadAssertNull(result);
983	>	threadAssertTrue(t instanceof CancellationException);
984	>	a.getAndIncrement();
985	>	});
986	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
987
865	–	f = new CompletableFuture<>();
866	–	assertTrue(f.cancel(true));
867	–	g = f.thenRun(r = new Noop());
988		checkCompletedWithWrappedCancellationException(g);
989	<	}
989	>	checkCancelled(f);
990	>	assertEquals(1, a.get());
991	>	}}
992
993		/**
994	<	* thenApply result completes normally after normal completion of source
994	>	* If a whenComplete action throws an exception when triggered by
995	>	* a normal completion, it completes exceptionally
996		*/
997	<	public void testThenApply() {
998	<	CompletableFuture<Integer> f = new CompletableFuture<>();
999	<	CompletableFuture<Integer> g = f.thenApply(inc);
1000	<	f.complete(one);
1001	<	checkCompletedNormally(g, two);
1002	<	}
997	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
998	>	for (boolean createIncomplete : new boolean[] { true, false })
999	>	for (ExecutionMode m : ExecutionMode.values())
1000	>	for (Integer v1 : new Integer[] { 1, null })
1001	>	{
1002	>	final AtomicInteger a = new AtomicInteger(0);
1003	>	final CFException ex = new CFException();
1004	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1005	>	if (!createIncomplete) assertTrue(f.complete(v1));
1006	>	final CompletableFuture<Integer> g = m.whenComplete
1007	>	(f,
1008	>	(Integer result, Throwable t) -> {
1009	>	m.checkExecutionMode();
1010	>	threadAssertSame(result, v1);
1011	>	threadAssertNull(t);
1012	>	a.getAndIncrement();
1013	>	throw ex;
1014	>	});
1015	>	if (createIncomplete) assertTrue(f.complete(v1));
1016
1017	<	/**
1018	<	* thenApply result completes exceptionally after exceptional
1019	<	* completion of source
1020	<	*/
885	<	public void testThenApply2() {
886	<	CompletableFuture<Integer> f = new CompletableFuture<>();
887	<	CompletableFuture<Integer> g = f.thenApply(inc);
888	<	f.completeExceptionally(new CFException());
889	<	checkCompletedWithWrappedCFException(g);
890	<	}
1017	>	checkCompletedWithWrappedException(g, ex);
1018	>	checkCompletedNormally(f, v1);
1019	>	assertEquals(1, a.get());
1020	>	}}
1021
1022		/**
1023	<	* thenApply result completes exceptionally if action does
1023	>	* If a whenComplete action throws an exception when triggered by
1024	>	* a source completion that also throws an exception, the source
1025	>	* exception takes precedence (unlike handle)
1026		*/
1027	<	public void testThenApply3() {
1028	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1029	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1030	<	f.complete(one);
1031	<	checkCompletedWithWrappedCFException(g);
1032	<	}
1027	>	public void testWhenComplete_sourceFailedActionFailed() {
1028	>	for (boolean createIncomplete : new boolean[] { true, false })
1029	>	for (ExecutionMode m : ExecutionMode.values())
1030	>	{
1031	>	final AtomicInteger a = new AtomicInteger(0);
1032	>	final CFException ex1 = new CFException();
1033	>	final CFException ex2 = new CFException();
1034	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1035
1036	<	/**
1037	<	* thenApply result completes exceptionally if source cancelled
1038	<	*/
1039	<	public void testThenApply4() {
1040	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1041	<	CompletableFuture<Integer> g = f.thenApply(inc);
1042	<	assertTrue(f.cancel(true));
1043	<	checkCompletedWithWrappedCancellationException(g);
1044	<	}
1036	>	if (!createIncomplete) f.completeExceptionally(ex1);
1037	>	final CompletableFuture<Integer> g = m.whenComplete
1038	>	(f,
1039	>	(Integer result, Throwable t) -> {
1040	>	m.checkExecutionMode();
1041	>	threadAssertSame(t, ex1);
1042	>	threadAssertNull(result);
1043	>	a.getAndIncrement();
1044	>	throw ex2;
1045	>	});
1046	>	if (createIncomplete) f.completeExceptionally(ex1);
1047
1048	<	/**
1049	<	* thenAccept result completes normally after normal completion of source
1050	<	*/
1051	<	public void testThenAccept() {
1052	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1053	<	IncAction r = new IncAction();
1054	<	CompletableFuture<Void> g = f.thenAccept(r);
1055	<	f.complete(one);
920	<	checkCompletedNormally(g, null);
921	<	assertEquals(r.value, (Integer) 2);
922	<	}
1048	>	checkCompletedWithWrappedException(g, ex1);
1049	>	checkCompletedExceptionally(f, ex1);
1050	>	if (testImplementationDetails) {
1051	>	assertEquals(1, ex1.getSuppressed().length);
1052	>	assertSame(ex2, ex1.getSuppressed()[0]);
1053	>	}
1054	>	assertEquals(1, a.get());
1055	>	}}
1056
1057		/**
1058	<	* thenAccept result completes exceptionally after exceptional
1058	>	* handle action completes normally with function value on normal
1059		* completion of source
1060		*/
1061	<	public void testThenAccept2() {
929	<	CompletableFuture<Integer> f = new CompletableFuture<>();
930	<	IncAction r = new IncAction();
931	<	CompletableFuture<Void> g = f.thenAccept(r);
932	<	f.completeExceptionally(new CFException());
933	<	checkCompletedWithWrappedCFException(g);
934	<	}
935	<
936	<	/**
937	<	* thenAccept result completes exceptionally if action does
938	<	*/
939	<	public void testThenAccept3() {
940	<	CompletableFuture<Integer> f = new CompletableFuture<>();
941	<	FailingConsumer r = new FailingConsumer();
942	<	CompletableFuture<Void> g = f.thenAccept(r);
943	<	f.complete(one);
944	<	checkCompletedWithWrappedCFException(g);
945	<	assertEquals(1, r.invocationCount);
946	<	}
947	<
948	<	/**
949	<	* thenAccept result completes exceptionally if source cancelled
950	<	*/
951	<	public void testThenAccept4() {
952	<	CompletableFuture<Integer> f = new CompletableFuture<>();
953	<	IncAction r = new IncAction();
954	<	CompletableFuture<Void> g = f.thenAccept(r);
955	<	assertTrue(f.cancel(true));
956	<	checkCompletedWithWrappedCancellationException(g);
957	<	}
958	<
959	<	/**
960	<	* thenCombine result completes normally after normal completion
961	<	* of sources
962	<	*/
963	<	public void testThenCombine_normalCompletion1() {
964	<	for (boolean createIncomplete : new boolean[] { true, false })
965	<	for (boolean fFirst : new boolean[] { true, false })
1061	>	public void testHandle_normalCompletion() {
1062		for (ExecutionMode m : ExecutionMode.values())
1063	+	for (boolean createIncomplete : new boolean[] { true, false })
1064		for (Integer v1 : new Integer[] { 1, null })
1065	<	for (Integer v2 : new Integer[] { 2, null }) {
969	<
1065	>	{
1066		final CompletableFuture<Integer> f = new CompletableFuture<>();
1067	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1068	<	final SubtractFunction r = new SubtractFunction();
1069	<	CompletableFuture<Integer> h = null;
1070	<	if (createIncomplete) h = m.thenCombine(f, g, r);
1071	<
1072	<	if (fFirst)
1073	<	f.complete(v1);
1074	<	else
1075	<	g.complete(v2);
1076	<	if (createIncomplete) checkIncomplete(h);
1077	<	assertEquals(0, r.invocationCount);
1078	<	if (!fFirst)
983	<	f.complete(v1);
984	<	else
985	<	g.complete(v2);
986	<	if (!createIncomplete) h = m.thenCombine(f, g, r);
1067	>	final AtomicInteger a = new AtomicInteger(0);
1068	>	if (!createIncomplete) assertTrue(f.complete(v1));
1069	>	final CompletableFuture<Integer> g = m.handle
1070	>	(f,
1071	>	(Integer result, Throwable t) -> {
1072	>	m.checkExecutionMode();
1073	>	threadAssertSame(result, v1);
1074	>	threadAssertNull(t);
1075	>	a.getAndIncrement();
1076	>	return inc(v1);
1077	>	});
1078	>	if (createIncomplete) assertTrue(f.complete(v1));
1079
1080	<	checkCompletedNormally(h, subtract(v1, v2));
1080	>	checkCompletedNormally(g, inc(v1));
1081		checkCompletedNormally(f, v1);
1082	<	checkCompletedNormally(g, v2);
1083	<	assertEquals(1, r.invocationCount);
992	<	}
993	<	}
1082	>	assertEquals(1, a.get());
1083	>	}}
1084
1085		/**
1086	<	* thenCombine result completes exceptionally after exceptional
1087	<	* completion of either source
1086	>	* handle action completes normally with function value on
1087	>	* exceptional completion of source
1088		*/
1089	<	public void testThenCombine_exceptionalCompletion1() {
1089	>	public void testHandle_exceptionalCompletion() {
1090		for (ExecutionMode m : ExecutionMode.values())
1091	<	for (Integer v1 : new Integer[] { 1, null }) {
1092	<
1091	>	for (boolean createIncomplete : new boolean[] { true, false })
1092	>	for (Integer v1 : new Integer[] { 1, null })
1093	>	{
1094		final CompletableFuture<Integer> f = new CompletableFuture<>();
1095	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1005	<	final SubtractFunction r = new SubtractFunction();
1006	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1095	>	final AtomicInteger a = new AtomicInteger(0);
1096		final CFException ex = new CFException();
1097	+	if (!createIncomplete) f.completeExceptionally(ex);
1098	+	final CompletableFuture<Integer> g = m.handle
1099	+	(f,
1100	+	(Integer result, Throwable t) -> {
1101	+	m.checkExecutionMode();
1102	+	threadAssertNull(result);
1103	+	threadAssertSame(t, ex);
1104	+	a.getAndIncrement();
1105	+	return v1;
1106	+	});
1107	+	if (createIncomplete) f.completeExceptionally(ex);
1108
1009	–	f.completeExceptionally(ex);
1010	–	checkIncomplete(h);
1011	–	g.complete(v1);
1012	–
1013	–	checkCompletedWithWrappedCFException(h, ex);
1014	–	checkCompletedWithWrappedCFException(f, ex);
1015	–	assertEquals(0, r.invocationCount);
1109		checkCompletedNormally(g, v1);
1110	<	}
1111	<	}
1110	>	checkCompletedExceptionally(f, ex);
1111	>	assertEquals(1, a.get());
1112	>	}}
1113
1114	<	public void testThenCombine_exceptionalCompletion2() {
1114	>	/**
1115	>	* handle action completes normally with function value on
1116	>	* cancelled source
1117	>	*/
1118	>	public void testHandle_sourceCancelled() {
1119		for (ExecutionMode m : ExecutionMode.values())
1120	<	for (Integer v1 : new Integer[] { 1, null }) {
1121	<
1120	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1121	>	for (boolean createIncomplete : new boolean[] { true, false })
1122	>	for (Integer v1 : new Integer[] { 1, null })
1123	>	{
1124		final CompletableFuture<Integer> f = new CompletableFuture<>();
1125	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1126	<	final SubtractFunction r = new SubtractFunction();
1127	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1128	<	final CFException ex = new CFException();
1129	<
1130	<	g.completeExceptionally(ex);
1131	<	checkIncomplete(h);
1132	<	f.complete(v1);
1125	>	final AtomicInteger a = new AtomicInteger(0);
1126	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1127	>	final CompletableFuture<Integer> g = m.handle
1128	>	(f,
1129	>	(Integer result, Throwable t) -> {
1130	>	m.checkExecutionMode();
1131	>	threadAssertNull(result);
1132	>	threadAssertTrue(t instanceof CancellationException);
1133	>	a.getAndIncrement();
1134	>	return v1;
1135	>	});
1136	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1137
1138	<	checkCompletedWithWrappedCFException(h, ex);
1139	<	checkCompletedWithWrappedCFException(g, ex);
1140	<	assertEquals(0, r.invocationCount);
1141	<	checkCompletedNormally(f, v1);
1038	<	}
1039	<	}
1138	>	checkCompletedNormally(g, v1);
1139	>	checkCancelled(f);
1140	>	assertEquals(1, a.get());
1141	>	}}
1142
1143	<	public void testThenCombine_exceptionalCompletion3() {
1143	>	/**
1144	>	* If a "handle action" throws an exception when triggered by
1145	>	* a normal completion, it completes exceptionally
1146	>	*/
1147	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1148		for (ExecutionMode m : ExecutionMode.values())
1149	<	for (Integer v1 : new Integer[] { 1, null }) {
1150	<
1149	>	for (boolean createIncomplete : new boolean[] { true, false })
1150	>	for (Integer v1 : new Integer[] { 1, null })
1151	>	{
1152		final CompletableFuture<Integer> f = new CompletableFuture<>();
1153	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1047	<	final SubtractFunction r = new SubtractFunction();
1153	>	final AtomicInteger a = new AtomicInteger(0);
1154		final CFException ex = new CFException();
1155	+	if (!createIncomplete) assertTrue(f.complete(v1));
1156	+	final CompletableFuture<Integer> g = m.handle
1157	+	(f,
1158	+	(Integer result, Throwable t) -> {
1159	+	m.checkExecutionMode();
1160	+	threadAssertSame(result, v1);
1161	+	threadAssertNull(t);
1162	+	a.getAndIncrement();
1163	+	throw ex;
1164	+	});
1165	+	if (createIncomplete) assertTrue(f.complete(v1));
1166
1167	<	g.completeExceptionally(ex);
1051	<	f.complete(v1);
1052	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1053	<
1054	<	checkCompletedWithWrappedCFException(h, ex);
1055	<	checkCompletedWithWrappedCFException(g, ex);
1056	<	assertEquals(0, r.invocationCount);
1167	>	checkCompletedWithWrappedException(g, ex);
1168		checkCompletedNormally(f, v1);
1169	<	}
1170	<	}
1169	>	assertEquals(1, a.get());
1170	>	}}
1171
1172	<	public void testThenCombine_exceptionalCompletion4() {
1172	>	/**
1173	>	* If a "handle action" throws an exception when triggered by
1174	>	* a source completion that also throws an exception, the action
1175	>	* exception takes precedence (unlike whenComplete)
1176	>	*/
1177	>	public void testHandle_sourceFailedActionFailed() {
1178	>	for (boolean createIncomplete : new boolean[] { true, false })
1179		for (ExecutionMode m : ExecutionMode.values())
1180	<	for (Integer v1 : new Integer[] { 1, null }) {
1181	<
1180	>	{
1181	>	final AtomicInteger a = new AtomicInteger(0);
1182	>	final CFException ex1 = new CFException();
1183	>	final CFException ex2 = new CFException();
1184		final CompletableFuture<Integer> f = new CompletableFuture<>();
1066	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1067	–	final SubtractFunction r = new SubtractFunction();
1068	–	final CFException ex = new CFException();
1185
1186	<	f.completeExceptionally(ex);
1187	<	g.complete(v1);
1188	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1186	>	if (!createIncomplete) f.completeExceptionally(ex1);
1187	>	final CompletableFuture<Integer> g = m.handle
1188	>	(f,
1189	>	(Integer result, Throwable t) -> {
1190	>	m.checkExecutionMode();
1191	>	threadAssertNull(result);
1192	>	threadAssertSame(ex1, t);
1193	>	a.getAndIncrement();
1194	>	throw ex2;
1195	>	});
1196	>	if (createIncomplete) f.completeExceptionally(ex1);
1197
1198	<	checkCompletedWithWrappedCFException(h, ex);
1199	<	checkCompletedWithWrappedCFException(f, ex);
1200	<	assertEquals(0, r.invocationCount);
1201	<	checkCompletedNormally(g, v1);
1078	<	}
1079	<	}
1198	>	checkCompletedWithWrappedException(g, ex2);
1199	>	checkCompletedExceptionally(f, ex1);
1200	>	assertEquals(1, a.get());
1201	>	}}
1202
1203		/**
1204	<	* thenCombine result completes exceptionally if action does
1204	>	* runAsync completes after running Runnable
1205		*/
1206	<	public void testThenCombine_actionFailed1() {
1207	<	for (ExecutionMode m : ExecutionMode.values())
1208	<	for (Integer v1 : new Integer[] { 1, null })
1209	<	for (Integer v2 : new Integer[] { 2, null }) {
1210	<
1211	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1212	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1213	<	final FailingBiFunction r = new FailingBiFunction();
1214	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1215	<
1216	<	f.complete(v1);
1217	<	checkIncomplete(h);
1218	<	g.complete(v2);
1206	>	public void testRunAsync_normalCompletion() {
1207	>	ExecutionMode[] executionModes = {
1208	>	ExecutionMode.ASYNC,
1209	>	ExecutionMode.EXECUTOR,
1210	>	};
1211	>	for (ExecutionMode m : executionModes)
1212	>	{
1213	>	final Noop r = new Noop(m);
1214	>	final CompletableFuture<Void> f = m.runAsync(r);
1215	>	assertNull(f.join());
1216	>	checkCompletedNormally(f, null);
1217	>	r.assertInvoked();
1218	>	}}
1219
1220	<	checkCompletedWithWrappedCFException(h);
1221	<	checkCompletedNormally(f, v1);
1222	<	checkCompletedNormally(g, v2);
1223	<	}
1224	<	}
1220	>	/**
1221	>	* failing runAsync completes exceptionally after running Runnable
1222	>	*/
1223	>	public void testRunAsync_exceptionalCompletion() {
1224	>	ExecutionMode[] executionModes = {
1225	>	ExecutionMode.ASYNC,
1226	>	ExecutionMode.EXECUTOR,
1227	>	};
1228	>	for (ExecutionMode m : executionModes)
1229	>	{
1230	>	final FailingRunnable r = new FailingRunnable(m);
1231	>	final CompletableFuture<Void> f = m.runAsync(r);
1232	>	checkCompletedWithWrappedException(f, r.ex);
1233	>	r.assertInvoked();
1234	>	}}
1235
1236	<	public void testThenCombine_actionFailed2() {
1237	<	for (ExecutionMode m : ExecutionMode.values())
1236	>	/**
1237	>	* supplyAsync completes with result of supplier
1238	>	*/
1239	>	public void testSupplyAsync_normalCompletion() {
1240	>	ExecutionMode[] executionModes = {
1241	>	ExecutionMode.ASYNC,
1242	>	ExecutionMode.EXECUTOR,
1243	>	};
1244	>	for (ExecutionMode m : executionModes)
1245		for (Integer v1 : new Integer[] { 1, null })
1246	<	for (Integer v2 : new Integer[] { 2, null }) {
1247	<
1248	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1249	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1111	<	final FailingBiFunction r = new FailingBiFunction();
1112	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1113	<
1114	<	g.complete(v2);
1115	<	checkIncomplete(h);
1116	<	f.complete(v1);
1117	<
1118	<	checkCompletedWithWrappedCFException(h);
1246	>	{
1247	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1248	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1249	>	assertSame(v1, f.join());
1250		checkCompletedNormally(f, v1);
1251	<	checkCompletedNormally(g, v2);
1252	<	}
1122	<	}
1251	>	r.assertInvoked();
1252	>	}}
1253
1254		/**
1255	<	* thenCombine result completes exceptionally if either source cancelled
1255	>	* Failing supplyAsync completes exceptionally
1256		*/
1257	<	public void testThenCombine_sourceCancelled1() {
1258	<	for (ExecutionMode m : ExecutionMode.values())
1259	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1260	<	for (Integer v1 : new Integer[] { 1, null }) {
1261	<
1262	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1263	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1264	<	final SubtractFunction r = new SubtractFunction();
1265	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1266	<
1267	<	assertTrue(f.cancel(mayInterruptIfRunning));
1268	<	checkIncomplete(h);
1139	<	g.complete(v1);
1257	>	public void testSupplyAsync_exceptionalCompletion() {
1258	>	ExecutionMode[] executionModes = {
1259	>	ExecutionMode.ASYNC,
1260	>	ExecutionMode.EXECUTOR,
1261	>	};
1262	>	for (ExecutionMode m : executionModes)
1263	>	{
1264	>	FailingSupplier r = new FailingSupplier(m);
1265	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1266	>	checkCompletedWithWrappedException(f, r.ex);
1267	>	r.assertInvoked();
1268	>	}}
1269
1270	<	checkCompletedWithWrappedCancellationException(h);
1142	<	checkCancelled(f);
1143	<	assertEquals(0, r.invocationCount);
1144	<	checkCompletedNormally(g, v1);
1145	<	}
1146	<	}
1270	>	// seq completion methods
1271
1272	<	public void testThenCombine_sourceCancelled2() {
1272	>	/**
1273	>	* thenRun result completes normally after normal completion of source
1274	>	*/
1275	>	public void testThenRun_normalCompletion() {
1276		for (ExecutionMode m : ExecutionMode.values())
1277	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1278	<	for (Integer v1 : new Integer[] { 1, null }) {
1152	<
1277	>	for (Integer v1 : new Integer[] { 1, null })
1278	>	{
1279		final CompletableFuture<Integer> f = new CompletableFuture<>();
1280	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1281	<	final SubtractFunction r = new SubtractFunction();
1156	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1280	>	final Noop[] rs = new Noop[6];
1281	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1282
1283	<	assertTrue(g.cancel(mayInterruptIfRunning));
1284	<	checkIncomplete(h);
1285	<	f.complete(v1);
1286	<
1287	<	checkCompletedWithWrappedCancellationException(h);
1288	<	checkCancelled(g);
1289	<	assertEquals(0, r.invocationCount);
1283	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1284	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1285	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1286	>	checkIncomplete(h0);
1287	>	checkIncomplete(h1);
1288	>	checkIncomplete(h2);
1289	>	assertTrue(f.complete(v1));
1290	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1291	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1292	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1293	>
1294	>	checkCompletedNormally(h0, null);
1295	>	checkCompletedNormally(h1, null);
1296	>	checkCompletedNormally(h2, null);
1297	>	checkCompletedNormally(h3, null);
1298	>	checkCompletedNormally(h4, null);
1299	>	checkCompletedNormally(h5, null);
1300		checkCompletedNormally(f, v1);
1301	<	}
1302	<	}
1301	>	for (Noop r : rs) r.assertInvoked();
1302	>	}}
1303
1304	<	public void testThenCombine_sourceCancelled3() {
1304	>	/**
1305	>	* thenRun result completes exceptionally after exceptional
1306	>	* completion of source
1307	>	*/
1308	>	public void testThenRun_exceptionalCompletion() {
1309		for (ExecutionMode m : ExecutionMode.values())
1310	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1311	<	for (Integer v1 : new Integer[] { 1, null }) {
1173	<
1310	>	{
1311	>	final CFException ex = new CFException();
1312		final CompletableFuture<Integer> f = new CompletableFuture<>();
1313	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1314	<	final SubtractFunction r = new SubtractFunction();
1177	<
1178	<	assertTrue(g.cancel(mayInterruptIfRunning));
1179	<	f.complete(v1);
1180	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1313	>	final Noop[] rs = new Noop[6];
1314	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1315
1316	<	checkCompletedWithWrappedCancellationException(h);
1317	<	checkCancelled(g);
1318	<	assertEquals(0, r.invocationCount);
1319	<	checkCompletedNormally(f, v1);
1320	<	}
1321	<	}
1316	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1317	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1318	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1319	>	checkIncomplete(h0);
1320	>	checkIncomplete(h1);
1321	>	checkIncomplete(h2);
1322	>	assertTrue(f.completeExceptionally(ex));
1323	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1324	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1325	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1326	>
1327	>	checkCompletedWithWrappedException(h0, ex);
1328	>	checkCompletedWithWrappedException(h1, ex);
1329	>	checkCompletedWithWrappedException(h2, ex);
1330	>	checkCompletedWithWrappedException(h3, ex);
1331	>	checkCompletedWithWrappedException(h4, ex);
1332	>	checkCompletedWithWrappedException(h5, ex);
1333	>	checkCompletedExceptionally(f, ex);
1334	>	for (Noop r : rs) r.assertNotInvoked();
1335	>	}}
1336
1337	<	public void testThenCombine_sourceCancelled4() {
1337	>	/**
1338	>	* thenRun result completes exceptionally if source cancelled
1339	>	*/
1340	>	public void testThenRun_sourceCancelled() {
1341		for (ExecutionMode m : ExecutionMode.values())
1342		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1343	<	for (Integer v1 : new Integer[] { 1, null }) {
1193	<
1343	>	{
1344		final CompletableFuture<Integer> f = new CompletableFuture<>();
1345	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1346	<	final SubtractFunction r = new SubtractFunction();
1345	>	final Noop[] rs = new Noop[6];
1346	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1347
1348	+	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1349	+	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1350	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1351	+	checkIncomplete(h0);
1352	+	checkIncomplete(h1);
1353	+	checkIncomplete(h2);
1354		assertTrue(f.cancel(mayInterruptIfRunning));
1355	<	g.complete(v1);
1356	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1357	<
1358	<	checkCompletedWithWrappedCancellationException(h);
1355	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1356	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1357	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1358	>
1359	>	checkCompletedWithWrappedCancellationException(h0);
1360	>	checkCompletedWithWrappedCancellationException(h1);
1361	>	checkCompletedWithWrappedCancellationException(h2);
1362	>	checkCompletedWithWrappedCancellationException(h3);
1363	>	checkCompletedWithWrappedCancellationException(h4);
1364	>	checkCompletedWithWrappedCancellationException(h5);
1365		checkCancelled(f);
1366	<	assertEquals(0, r.invocationCount);
1367	<	checkCompletedNormally(g, v1);
1206	<	}
1207	<	}
1366	>	for (Noop r : rs) r.assertNotInvoked();
1367	>	}}
1368
1369		/**
1370	<	* thenAcceptBoth result completes normally after normal
1211	<	* completion of sources
1370	>	* thenRun result completes exceptionally if action does
1371		*/
1372	<	public void testThenAcceptBoth_normalCompletion1() {
1372	>	public void testThenRun_actionFailed() {
1373		for (ExecutionMode m : ExecutionMode.values())
1374		for (Integer v1 : new Integer[] { 1, null })
1375	<	for (Integer v2 : new Integer[] { 2, null }) {
1217	<
1375	>	{
1376		final CompletableFuture<Integer> f = new CompletableFuture<>();
1377	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1378	<	final SubtractAction r = new SubtractAction();
1221	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1222	<
1223	<	f.complete(v1);
1224	<	checkIncomplete(h);
1225	<	assertEquals(0, r.invocationCount);
1226	<	g.complete(v2);
1227	<
1228	<	checkCompletedNormally(h, null);
1229	<	assertEquals(r.value, subtract(v1, v2));
1230	<	checkCompletedNormally(f, v1);
1231	<	checkCompletedNormally(g, v2);
1232	<	}
1233	<	}
1234	<
1235	<	public void testThenAcceptBoth_normalCompletion2() {
1236	<	for (ExecutionMode m : ExecutionMode.values())
1237	<	for (Integer v1 : new Integer[] { 1, null })
1238	<	for (Integer v2 : new Integer[] { 2, null }) {
1239	<
1240	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1241	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1242	<	final SubtractAction r = new SubtractAction();
1243	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1244	<
1245	<	g.complete(v2);
1246	<	checkIncomplete(h);
1247	<	assertEquals(0, r.invocationCount);
1248	<	f.complete(v1);
1249	<
1250	<	checkCompletedNormally(h, null);
1251	<	assertEquals(r.value, subtract(v1, v2));
1252	<	checkCompletedNormally(f, v1);
1253	<	checkCompletedNormally(g, v2);
1254	<	}
1255	<	}
1256	<
1257	<	public void testThenAcceptBoth_normalCompletion3() {
1258	<	for (ExecutionMode m : ExecutionMode.values())
1259	<	for (Integer v1 : new Integer[] { 1, null })
1260	<	for (Integer v2 : new Integer[] { 2, null }) {
1261	<
1262	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1263	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1264	<	final SubtractAction r = new SubtractAction();
1265	<
1266	<	g.complete(v2);
1267	<	f.complete(v1);
1268	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1377	>	final FailingRunnable[] rs = new FailingRunnable[6];
1378	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1379
1380	<	checkCompletedNormally(h, null);
1381	<	assertEquals(r.value, subtract(v1, v2));
1380	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1381	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1382	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1383	>	assertTrue(f.complete(v1));
1384	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1385	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1386	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1387	>
1388	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1389	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1390	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1391	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1392	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1393	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1394		checkCompletedNormally(f, v1);
1395	<	checkCompletedNormally(g, v2);
1274	<	}
1275	<	}
1395	>	}}
1396
1397	<	public void testThenAcceptBoth_normalCompletion4() {
1397	>	/**
1398	>	* thenApply result completes normally after normal completion of source
1399	>	*/
1400	>	public void testThenApply_normalCompletion() {
1401		for (ExecutionMode m : ExecutionMode.values())
1402		for (Integer v1 : new Integer[] { 1, null })
1403	<	for (Integer v2 : new Integer[] { 2, null }) {
1281	<
1403	>	{
1404		final CompletableFuture<Integer> f = new CompletableFuture<>();
1405	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1406	<	final SubtractAction r = new SubtractAction();
1405	>	final IncFunction[] rs = new IncFunction[4];
1406	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1407
1408	<	f.complete(v1);
1409	<	g.complete(v2);
1410	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1408	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1409	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1410	>	checkIncomplete(h0);
1411	>	checkIncomplete(h1);
1412	>	assertTrue(f.complete(v1));
1413	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1414	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1415
1416	<	checkCompletedNormally(h, null);
1417	<	assertEquals(r.value, subtract(v1, v2));
1416	>	checkCompletedNormally(h0, inc(v1));
1417	>	checkCompletedNormally(h1, inc(v1));
1418	>	checkCompletedNormally(h2, inc(v1));
1419	>	checkCompletedNormally(h3, inc(v1));
1420		checkCompletedNormally(f, v1);
1421	<	checkCompletedNormally(g, v2);
1422	<	}
1295	<	}
1421	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1422	>	}}
1423
1424		/**
1425	<	* thenAcceptBoth result completes exceptionally after exceptional
1426	<	* completion of either source
1425	>	* thenApply result completes exceptionally after exceptional
1426	>	* completion of source
1427		*/
1428	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1428	>	public void testThenApply_exceptionalCompletion() {
1429		for (ExecutionMode m : ExecutionMode.values())
1430	<	for (Integer v1 : new Integer[] { 1, null }) {
1304	<
1305	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1306	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1307	<	final SubtractAction r = new SubtractAction();
1308	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1430	>	{
1431		final CFException ex = new CFException();
1310	–
1311	–	f.completeExceptionally(ex);
1312	–	checkIncomplete(h);
1313	–	g.complete(v1);
1314	–
1315	–	checkCompletedWithWrappedCFException(h, ex);
1316	–	checkCompletedWithWrappedCFException(f, ex);
1317	–	assertEquals(0, r.invocationCount);
1318	–	checkCompletedNormally(g, v1);
1319	–	}
1320	–	}
1321	–
1322	–	public void testThenAcceptBoth_exceptionalCompletion2() {
1323	–	for (ExecutionMode m : ExecutionMode.values())
1324	–	for (Integer v1 : new Integer[] { 1, null }) {
1325	–
1432		final CompletableFuture<Integer> f = new CompletableFuture<>();
1433	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1434	<	final SubtractAction r = new SubtractAction();
1329	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1330	<	final CFException ex = new CFException();
1331	<
1332	<	g.completeExceptionally(ex);
1333	<	checkIncomplete(h);
1334	<	f.complete(v1);
1433	>	final IncFunction[] rs = new IncFunction[4];
1434	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1435
1436	<	checkCompletedWithWrappedCFException(h, ex);
1437	<	checkCompletedWithWrappedCFException(g, ex);
1438	<	assertEquals(0, r.invocationCount);
1439	<	checkCompletedNormally(f, v1);
1440	<	}
1441	<	}
1436	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1437	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1438	>	assertTrue(f.completeExceptionally(ex));
1439	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1440	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1441	>
1442	>	checkCompletedWithWrappedException(h0, ex);
1443	>	checkCompletedWithWrappedException(h1, ex);
1444	>	checkCompletedWithWrappedException(h2, ex);
1445	>	checkCompletedWithWrappedException(h3, ex);
1446	>	checkCompletedExceptionally(f, ex);
1447	>	for (IncFunction r : rs) r.assertNotInvoked();
1448	>	}}
1449
1450	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1450	>	/**
1451	>	* thenApply result completes exceptionally if source cancelled
1452	>	*/
1453	>	public void testThenApply_sourceCancelled() {
1454		for (ExecutionMode m : ExecutionMode.values())
1455	<	for (Integer v1 : new Integer[] { 1, null }) {
1456	<
1455	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1456	>	{
1457		final CompletableFuture<Integer> f = new CompletableFuture<>();
1458	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1459	<	final SubtractAction r = new SubtractAction();
1350	<	final CFException ex = new CFException();
1458	>	final IncFunction[] rs = new IncFunction[4];
1459	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1460
1461	<	g.completeExceptionally(ex);
1462	<	f.complete(v1);
1463	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1461	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1462	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1463	>	assertTrue(f.cancel(mayInterruptIfRunning));
1464	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1465	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1466
1467	<	checkCompletedWithWrappedCFException(h, ex);
1468	<	checkCompletedWithWrappedCFException(g, ex);
1469	<	assertEquals(0, r.invocationCount);
1470	<	checkCompletedNormally(f, v1);
1471	<	}
1472	<	}
1467	>	checkCompletedWithWrappedCancellationException(h0);
1468	>	checkCompletedWithWrappedCancellationException(h1);
1469	>	checkCompletedWithWrappedCancellationException(h2);
1470	>	checkCompletedWithWrappedCancellationException(h3);
1471	>	checkCancelled(f);
1472	>	for (IncFunction r : rs) r.assertNotInvoked();
1473	>	}}
1474
1475	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1475	>	/**
1476	>	* thenApply result completes exceptionally if action does
1477	>	*/
1478	>	public void testThenApply_actionFailed() {
1479		for (ExecutionMode m : ExecutionMode.values())
1480	<	for (Integer v1 : new Integer[] { 1, null }) {
1481	<
1480	>	for (Integer v1 : new Integer[] { 1, null })
1481	>	{
1482		final CompletableFuture<Integer> f = new CompletableFuture<>();
1483	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1484	<	final SubtractAction r = new SubtractAction();
1370	<	final CFException ex = new CFException();
1483	>	final FailingFunction[] rs = new FailingFunction[4];
1484	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1485
1486	<	f.completeExceptionally(ex);
1487	<	g.complete(v1);
1488	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1486	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1487	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1488	>	assertTrue(f.complete(v1));
1489	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1490	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1491
1492	<	checkCompletedWithWrappedCFException(h, ex);
1493	<	checkCompletedWithWrappedCFException(f, ex);
1494	<	assertEquals(0, r.invocationCount);
1495	<	checkCompletedNormally(g, v1);
1496	<	}
1497	<	}
1492	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1493	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1494	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1495	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1496	>	checkCompletedNormally(f, v1);
1497	>	}}
1498
1499		/**
1500	<	* thenAcceptBoth result completes exceptionally if action does
1500	>	* thenAccept result completes normally after normal completion of source
1501		*/
1502	<	public void testThenAcceptBoth_actionFailed1() {
1502	>	public void testThenAccept_normalCompletion() {
1503		for (ExecutionMode m : ExecutionMode.values())
1504		for (Integer v1 : new Integer[] { 1, null })
1505	<	for (Integer v2 : new Integer[] { 2, null }) {
1390	<
1505	>	{
1506		final CompletableFuture<Integer> f = new CompletableFuture<>();
1507	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1508	<	final FailingBiConsumer r = new FailingBiConsumer();
1394	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1507	>	final NoopConsumer[] rs = new NoopConsumer[4];
1508	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1509
1510	<	f.complete(v1);
1511	<	checkIncomplete(h);
1512	<	g.complete(v2);
1510	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1511	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1512	>	checkIncomplete(h0);
1513	>	checkIncomplete(h1);
1514	>	assertTrue(f.complete(v1));
1515	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1516	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1517
1518	<	checkCompletedWithWrappedCFException(h);
1518	>	checkCompletedNormally(h0, null);
1519	>	checkCompletedNormally(h1, null);
1520	>	checkCompletedNormally(h2, null);
1521	>	checkCompletedNormally(h3, null);
1522		checkCompletedNormally(f, v1);
1523	<	checkCompletedNormally(g, v2);
1524	<	}
1404	<	}
1523	>	for (NoopConsumer r : rs) r.assertValue(v1);
1524	>	}}
1525
1526	<	public void testThenAcceptBoth_actionFailed2() {
1526	>	/**
1527	>	* thenAccept result completes exceptionally after exceptional
1528	>	* completion of source
1529	>	*/
1530	>	public void testThenAccept_exceptionalCompletion() {
1531		for (ExecutionMode m : ExecutionMode.values())
1532	<	for (Integer v1 : new Integer[] { 1, null })
1533	<	for (Integer v2 : new Integer[] { 2, null }) {
1410	<
1532	>	{
1533	>	final CFException ex = new CFException();
1534		final CompletableFuture<Integer> f = new CompletableFuture<>();
1535	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1536	<	final FailingBiConsumer r = new FailingBiConsumer();
1414	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1415	<
1416	<	g.complete(v2);
1417	<	checkIncomplete(h);
1418	<	f.complete(v1);
1535	>	final NoopConsumer[] rs = new NoopConsumer[4];
1536	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1537
1538	<	checkCompletedWithWrappedCFException(h);
1539	<	checkCompletedNormally(f, v1);
1540	<	checkCompletedNormally(g, v2);
1541	<	}
1542	<	}
1538	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1539	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1540	>	assertTrue(f.completeExceptionally(ex));
1541	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1542	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1543	>
1544	>	checkCompletedWithWrappedException(h0, ex);
1545	>	checkCompletedWithWrappedException(h1, ex);
1546	>	checkCompletedWithWrappedException(h2, ex);
1547	>	checkCompletedWithWrappedException(h3, ex);
1548	>	checkCompletedExceptionally(f, ex);
1549	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1550	>	}}
1551
1552		/**
1553	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1553	>	* thenAccept result completes exceptionally if source cancelled
1554		*/
1555	<	public void testThenAcceptBoth_sourceCancelled1() {
1555	>	public void testThenAccept_sourceCancelled() {
1556		for (ExecutionMode m : ExecutionMode.values())
1557		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1558	<	for (Integer v1 : new Integer[] { 1, null }) {
1433	<
1558	>	{
1559		final CompletableFuture<Integer> f = new CompletableFuture<>();
1560	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1561	<	final SubtractAction r = new SubtractAction();
1437	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1560	>	final NoopConsumer[] rs = new NoopConsumer[4];
1561	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1562
1563	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1564	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1565		assertTrue(f.cancel(mayInterruptIfRunning));
1566	<	checkIncomplete(h);
1567	<	g.complete(v1);
1566	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1567	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1568
1569	<	checkCompletedWithWrappedCancellationException(h);
1569	>	checkCompletedWithWrappedCancellationException(h0);
1570	>	checkCompletedWithWrappedCancellationException(h1);
1571	>	checkCompletedWithWrappedCancellationException(h2);
1572	>	checkCompletedWithWrappedCancellationException(h3);
1573		checkCancelled(f);
1574	<	assertEquals(0, r.invocationCount);
1575	<	checkCompletedNormally(g, v1);
1447	<	}
1448	<	}
1574	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1575	>	}}
1576
1577	<	public void testThenAcceptBoth_sourceCancelled2() {
1577	>	/**
1578	>	* thenAccept result completes exceptionally if action does
1579	>	*/
1580	>	public void testThenAccept_actionFailed() {
1581		for (ExecutionMode m : ExecutionMode.values())
1582	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1583	<	for (Integer v1 : new Integer[] { 1, null }) {
1454	<
1582	>	for (Integer v1 : new Integer[] { 1, null })
1583	>	{
1584		final CompletableFuture<Integer> f = new CompletableFuture<>();
1585	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1586	<	final SubtractAction r = new SubtractAction();
1458	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1585	>	final FailingConsumer[] rs = new FailingConsumer[4];
1586	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1587
1588	<	assertTrue(g.cancel(mayInterruptIfRunning));
1589	<	checkIncomplete(h);
1590	<	f.complete(v1);
1588	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1589	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1590	>	assertTrue(f.complete(v1));
1591	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1592	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1593
1594	<	checkCompletedWithWrappedCancellationException(h);
1595	<	checkCancelled(g);
1596	<	assertEquals(0, r.invocationCount);
1594	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1595	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1596	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1597	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1598		checkCompletedNormally(f, v1);
1599	<	}
1469	<	}
1599	>	}}
1600
1601	<	public void testThenAcceptBoth_sourceCancelled3() {
1601	>	/**
1602	>	* thenCombine result completes normally after normal completion
1603	>	* of sources
1604	>	*/
1605	>	public void testThenCombine_normalCompletion() {
1606		for (ExecutionMode m : ExecutionMode.values())
1607	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1608	<	for (Integer v1 : new Integer[] { 1, null }) {
1609	<
1607	>	for (boolean fFirst : new boolean[] { true, false })
1608	>	for (Integer v1 : new Integer[] { 1, null })
1609	>	for (Integer v2 : new Integer[] { 2, null })
1610	>	{
1611		final CompletableFuture<Integer> f = new CompletableFuture<>();
1612		final CompletableFuture<Integer> g = new CompletableFuture<>();
1613	<	final SubtractAction r = new SubtractAction();
1613	>	final SubtractFunction[] rs = new SubtractFunction[6];
1614	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1615
1616	<	assertTrue(g.cancel(mayInterruptIfRunning));
1617	<	f.complete(v1);
1618	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1616	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1617	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1618	>	final Integer w1 =  fFirst ? v1 : v2;
1619	>	final Integer w2 = !fFirst ? v1 : v2;
1620	>
1621	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1622	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1623	>	assertTrue(fst.complete(w1));
1624	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1625	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1626	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1627	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1628	>	checkCompletedNormally(h1, subtract(w1, w1));
1629	>	checkCompletedNormally(h3, subtract(w1, w1));
1630	>	rs[1].assertValue(subtract(w1, w1));
1631	>	rs[3].assertValue(subtract(w1, w1));
1632	>	assertTrue(snd.complete(w2));
1633	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1634	>
1635	>	checkCompletedNormally(h0, subtract(v1, v2));
1636	>	checkCompletedNormally(h2, subtract(v1, v2));
1637	>	checkCompletedNormally(h4, subtract(v1, v2));
1638	>	rs[0].assertValue(subtract(v1, v2));
1639	>	rs[2].assertValue(subtract(v1, v2));
1640	>	rs[4].assertValue(subtract(v1, v2));
1641
1484	–	checkCompletedWithWrappedCancellationException(h);
1485	–	checkCancelled(g);
1486	–	assertEquals(0, r.invocationCount);
1642		checkCompletedNormally(f, v1);
1643	<	}
1644	<	}
1490	<
1491	<	public void testThenAcceptBoth_sourceCancelled4() {
1492	<	for (ExecutionMode m : ExecutionMode.values())
1493	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1494	<	for (Integer v1 : new Integer[] { 1, null }) {
1495	<
1496	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1497	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1498	<	final SubtractAction r = new SubtractAction();
1499	<
1500	<	assertTrue(f.cancel(mayInterruptIfRunning));
1501	<	g.complete(v1);
1502	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1503	<
1504	<	checkCompletedWithWrappedCancellationException(h);
1505	<	checkCancelled(f);
1506	<	assertEquals(0, r.invocationCount);
1507	<	checkCompletedNormally(g, v1);
1508	<	}
1509	<	}
1643	>	checkCompletedNormally(g, v2);
1644	>	}}
1645
1646		/**
1647	<	* runAfterBoth result completes normally after normal
1648	<	* completion of sources
1647	>	* thenCombine result completes exceptionally after exceptional
1648	>	* completion of either source
1649		*/
1650	<	public void testRunAfterBoth_normalCompletion1() {
1650	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1651		for (ExecutionMode m : ExecutionMode.values())
1652	+	for (boolean fFirst : new boolean[] { true, false })
1653	+	for (boolean failFirst : new boolean[] { true, false })
1654		for (Integer v1 : new Integer[] { 1, null })
1655	<	for (Integer v2 : new Integer[] { 2, null }) {
1519	<
1655	>	{
1656		final CompletableFuture<Integer> f = new CompletableFuture<>();
1657		final CompletableFuture<Integer> g = new CompletableFuture<>();
1658	<	final Noop r = new Noop();
1659	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1660	<
1661	<	f.complete(v1);
1662	<	checkIncomplete(h);
1663	<	assertEquals(0, r.invocationCount);
1664	<	g.complete(v2);
1665	<
1666	<	checkCompletedNormally(h, null);
1667	<	assertEquals(1, r.invocationCount);
1668	<	checkCompletedNormally(f, v1);
1669	<	checkCompletedNormally(g, v2);
1670	<	}
1671	<	}
1658	>	final CFException ex = new CFException();
1659	>	final SubtractFunction r1 = new SubtractFunction(m);
1660	>	final SubtractFunction r2 = new SubtractFunction(m);
1661	>	final SubtractFunction r3 = new SubtractFunction(m);
1662	>
1663	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1664	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1665	>	final Callable<Boolean> complete1 = failFirst ?
1666	>	() -> fst.completeExceptionally(ex) :
1667	>	() -> fst.complete(v1);
1668	>	final Callable<Boolean> complete2 = failFirst ?
1669	>	() -> snd.complete(v1) :
1670	>	() -> snd.completeExceptionally(ex);
1671	>
1672	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1673	>	assertTrue(complete1.call());
1674	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1675	>	checkIncomplete(h1);
1676	>	checkIncomplete(h2);
1677	>	assertTrue(complete2.call());
1678	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1679	>
1680	>	checkCompletedWithWrappedException(h1, ex);
1681	>	checkCompletedWithWrappedException(h2, ex);
1682	>	checkCompletedWithWrappedException(h3, ex);
1683	>	r1.assertNotInvoked();
1684	>	r2.assertNotInvoked();
1685	>	r3.assertNotInvoked();
1686	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1687	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1688	>	}}
1689
1690	<	public void testRunAfterBoth_normalCompletion2() {
1690	>	/**
1691	>	* thenCombine result completes exceptionally if either source cancelled
1692	>	*/
1693	>	public void testThenCombine_sourceCancelled() throws Throwable {
1694		for (ExecutionMode m : ExecutionMode.values())
1695	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1696	+	for (boolean fFirst : new boolean[] { true, false })
1697	+	for (boolean failFirst : new boolean[] { true, false })
1698		for (Integer v1 : new Integer[] { 1, null })
1699	<	for (Integer v2 : new Integer[] { 2, null }) {
1541	<
1699	>	{
1700		final CompletableFuture<Integer> f = new CompletableFuture<>();
1701		final CompletableFuture<Integer> g = new CompletableFuture<>();
1702	<	final Noop r = new Noop();
1703	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1702	>	final SubtractFunction r1 = new SubtractFunction(m);
1703	>	final SubtractFunction r2 = new SubtractFunction(m);
1704	>	final SubtractFunction r3 = new SubtractFunction(m);
1705	>
1706	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1707	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1708	>	final Callable<Boolean> complete1 = failFirst ?
1709	>	() -> fst.cancel(mayInterruptIfRunning) :
1710	>	() -> fst.complete(v1);
1711	>	final Callable<Boolean> complete2 = failFirst ?
1712	>	() -> snd.complete(v1) :
1713	>	() -> snd.cancel(mayInterruptIfRunning);
1714	>
1715	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1716	>	assertTrue(complete1.call());
1717	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1718	>	checkIncomplete(h1);
1719	>	checkIncomplete(h2);
1720	>	assertTrue(complete2.call());
1721	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1722	>
1723	>	checkCompletedWithWrappedCancellationException(h1);
1724	>	checkCompletedWithWrappedCancellationException(h2);
1725	>	checkCompletedWithWrappedCancellationException(h3);
1726	>	r1.assertNotInvoked();
1727	>	r2.assertNotInvoked();
1728	>	r3.assertNotInvoked();
1729	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1730	>	checkCancelled(failFirst ? fst : snd);
1731	>	}}
1732
1733	<	g.complete(v2);
1734	<	checkIncomplete(h);
1735	<	assertEquals(0, r.invocationCount);
1736	<	f.complete(v1);
1551	<
1552	<	checkCompletedNormally(h, null);
1553	<	assertEquals(1, r.invocationCount);
1554	<	checkCompletedNormally(f, v1);
1555	<	checkCompletedNormally(g, v2);
1556	<	}
1557	<	}
1558	<
1559	<	public void testRunAfterBoth_normalCompletion3() {
1733	>	/**
1734	>	* thenCombine result completes exceptionally if action does
1735	>	*/
1736	>	public void testThenCombine_actionFailed() {
1737		for (ExecutionMode m : ExecutionMode.values())
1738	+	for (boolean fFirst : new boolean[] { true, false })
1739		for (Integer v1 : new Integer[] { 1, null })
1740	<	for (Integer v2 : new Integer[] { 2, null }) {
1741	<
1740	>	for (Integer v2 : new Integer[] { 2, null })
1741	>	{
1742		final CompletableFuture<Integer> f = new CompletableFuture<>();
1743		final CompletableFuture<Integer> g = new CompletableFuture<>();
1744	<	final Noop r = new Noop();
1745	<
1746	<	g.complete(v2);
1747	<	f.complete(v1);
1748	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1749	<
1750	<	checkCompletedNormally(h, null);
1751	<	assertEquals(1, r.invocationCount);
1744	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1745	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1746	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1747	>
1748	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1749	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1750	>	final Integer w1 =  fFirst ? v1 : v2;
1751	>	final Integer w2 = !fFirst ? v1 : v2;
1752	>
1753	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1754	>	assertTrue(fst.complete(w1));
1755	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1756	>	assertTrue(snd.complete(w2));
1757	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1758	>
1759	>	checkCompletedWithWrappedException(h1, r1.ex);
1760	>	checkCompletedWithWrappedException(h2, r2.ex);
1761	>	checkCompletedWithWrappedException(h3, r3.ex);
1762	>	r1.assertInvoked();
1763	>	r2.assertInvoked();
1764	>	r3.assertInvoked();
1765		checkCompletedNormally(f, v1);
1766		checkCompletedNormally(g, v2);
1767	<	}
1577	<	}
1767	>	}}
1768
1769	<	public void testRunAfterBoth_normalCompletion4() {
1769	>	/**
1770	>	* thenAcceptBoth result completes normally after normal
1771	>	* completion of sources
1772	>	*/
1773	>	public void testThenAcceptBoth_normalCompletion() {
1774		for (ExecutionMode m : ExecutionMode.values())
1775	+	for (boolean fFirst : new boolean[] { true, false })
1776		for (Integer v1 : new Integer[] { 1, null })
1777	<	for (Integer v2 : new Integer[] { 2, null }) {
1778	<
1777	>	for (Integer v2 : new Integer[] { 2, null })
1778	>	{
1779		final CompletableFuture<Integer> f = new CompletableFuture<>();
1780		final CompletableFuture<Integer> g = new CompletableFuture<>();
1781	<	final Noop r = new Noop();
1782	<
1783	<	f.complete(v1);
1784	<	g.complete(v2);
1785	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1786	<
1787	<	checkCompletedNormally(h, null);
1788	<	assertEquals(1, r.invocationCount);
1781	>	final SubtractAction r1 = new SubtractAction(m);
1782	>	final SubtractAction r2 = new SubtractAction(m);
1783	>	final SubtractAction r3 = new SubtractAction(m);
1784	>
1785	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1786	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1787	>	final Integer w1 =  fFirst ? v1 : v2;
1788	>	final Integer w2 = !fFirst ? v1 : v2;
1789	>
1790	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1791	>	assertTrue(fst.complete(w1));
1792	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1793	>	checkIncomplete(h1);
1794	>	checkIncomplete(h2);
1795	>	r1.assertNotInvoked();
1796	>	r2.assertNotInvoked();
1797	>	assertTrue(snd.complete(w2));
1798	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1799	>
1800	>	checkCompletedNormally(h1, null);
1801	>	checkCompletedNormally(h2, null);
1802	>	checkCompletedNormally(h3, null);
1803	>	r1.assertValue(subtract(v1, v2));
1804	>	r2.assertValue(subtract(v1, v2));
1805	>	r3.assertValue(subtract(v1, v2));
1806		checkCompletedNormally(f, v1);
1807		checkCompletedNormally(g, v2);
1808	<	}
1597	<	}
1808	>	}}
1809
1810		/**
1811	<	* runAfterBoth result completes exceptionally after exceptional
1811	>	* thenAcceptBoth result completes exceptionally after exceptional
1812		* completion of either source
1813		*/
1814	<	public void testRunAfterBoth_exceptionalCompletion1() {
1604	<	for (ExecutionMode m : ExecutionMode.values())
1605	<	for (Integer v1 : new Integer[] { 1, null }) {
1606	<
1607	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1608	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1609	<	final Noop r = new Noop();
1610	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1611	<	final CFException ex = new CFException();
1612	<
1613	<	f.completeExceptionally(ex);
1614	<	checkIncomplete(h);
1615	<	g.complete(v1);
1616	<
1617	<	checkCompletedWithWrappedCFException(h, ex);
1618	<	checkCompletedWithWrappedCFException(f, ex);
1619	<	assertEquals(0, r.invocationCount);
1620	<	checkCompletedNormally(g, v1);
1621	<	}
1622	<	}
1623	<
1624	<	public void testRunAfterBoth_exceptionalCompletion2() {
1625	<	for (ExecutionMode m : ExecutionMode.values())
1626	<	for (Integer v1 : new Integer[] { 1, null }) {
1627	<
1628	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1629	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1630	<	final Noop r = new Noop();
1631	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1632	<	final CFException ex = new CFException();
1633	<
1634	<	g.completeExceptionally(ex);
1635	<	checkIncomplete(h);
1636	<	f.complete(v1);
1637	<
1638	<	checkCompletedWithWrappedCFException(h, ex);
1639	<	checkCompletedWithWrappedCFException(g, ex);
1640	<	assertEquals(0, r.invocationCount);
1641	<	checkCompletedNormally(f, v1);
1642	<	}
1643	<	}
1644	<
1645	<	public void testRunAfterBoth_exceptionalCompletion3() {
1814	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1815		for (ExecutionMode m : ExecutionMode.values())
1816	<	for (Integer v1 : new Integer[] { 1, null }) {
1817	<
1816	>	for (boolean fFirst : new boolean[] { true, false })
1817	>	for (boolean failFirst : new boolean[] { true, false })
1818	>	for (Integer v1 : new Integer[] { 1, null })
1819	>	{
1820		final CompletableFuture<Integer> f = new CompletableFuture<>();
1821		final CompletableFuture<Integer> g = new CompletableFuture<>();
1651	–	final Noop r = new Noop();
1822		final CFException ex = new CFException();
1823	+	final SubtractAction r1 = new SubtractAction(m);
1824	+	final SubtractAction r2 = new SubtractAction(m);
1825	+	final SubtractAction r3 = new SubtractAction(m);
1826	+
1827	+	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1828	+	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1829	+	final Callable<Boolean> complete1 = failFirst ?
1830	+	() -> fst.completeExceptionally(ex) :
1831	+	() -> fst.complete(v1);
1832	+	final Callable<Boolean> complete2 = failFirst ?
1833	+	() -> snd.complete(v1) :
1834	+	() -> snd.completeExceptionally(ex);
1835	+
1836	+	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1837	+	assertTrue(complete1.call());
1838	+	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1839	+	checkIncomplete(h1);
1840	+	checkIncomplete(h2);
1841	+	assertTrue(complete2.call());
1842	+	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1843	+
1844	+	checkCompletedWithWrappedException(h1, ex);
1845	+	checkCompletedWithWrappedException(h2, ex);
1846	+	checkCompletedWithWrappedException(h3, ex);
1847	+	r1.assertNotInvoked();
1848	+	r2.assertNotInvoked();
1849	+	r3.assertNotInvoked();
1850	+	checkCompletedNormally(failFirst ? snd : fst, v1);
1851	+	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1852	+	}}
1853
1854	<	g.completeExceptionally(ex);
1855	<	f.complete(v1);
1856	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1857	<
1658	<	checkCompletedWithWrappedCFException(h, ex);
1659	<	checkCompletedWithWrappedCFException(g, ex);
1660	<	assertEquals(0, r.invocationCount);
1661	<	checkCompletedNormally(f, v1);
1662	<	}
1663	<	}
1664	<
1665	<	public void testRunAfterBoth_exceptionalCompletion4() {
1854	>	/**
1855	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1856	>	*/
1857	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1858		for (ExecutionMode m : ExecutionMode.values())
1859	<	for (Integer v1 : new Integer[] { 1, null }) {
1860	<
1859	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1860	>	for (boolean fFirst : new boolean[] { true, false })
1861	>	for (boolean failFirst : new boolean[] { true, false })
1862	>	for (Integer v1 : new Integer[] { 1, null })
1863	>	{
1864		final CompletableFuture<Integer> f = new CompletableFuture<>();
1865		final CompletableFuture<Integer> g = new CompletableFuture<>();
1866	<	final Noop r = new Noop();
1867	<	final CFException ex = new CFException();
1868	<
1869	<	f.completeExceptionally(ex);
1870	<	g.complete(v1);
1871	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1872	<
1873	<	checkCompletedWithWrappedCFException(h, ex);
1874	<	checkCompletedWithWrappedCFException(f, ex);
1875	<	assertEquals(0, r.invocationCount);
1876	<	checkCompletedNormally(g, v1);
1877	<	}
1878	<	}
1866	>	final SubtractAction r1 = new SubtractAction(m);
1867	>	final SubtractAction r2 = new SubtractAction(m);
1868	>	final SubtractAction r3 = new SubtractAction(m);
1869	>
1870	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1871	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1872	>	final Callable<Boolean> complete1 = failFirst ?
1873	>	() -> fst.cancel(mayInterruptIfRunning) :
1874	>	() -> fst.complete(v1);
1875	>	final Callable<Boolean> complete2 = failFirst ?
1876	>	() -> snd.complete(v1) :
1877	>	() -> snd.cancel(mayInterruptIfRunning);
1878	>
1879	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1880	>	assertTrue(complete1.call());
1881	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1882	>	checkIncomplete(h1);
1883	>	checkIncomplete(h2);
1884	>	assertTrue(complete2.call());
1885	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1886	>
1887	>	checkCompletedWithWrappedCancellationException(h1);
1888	>	checkCompletedWithWrappedCancellationException(h2);
1889	>	checkCompletedWithWrappedCancellationException(h3);
1890	>	r1.assertNotInvoked();
1891	>	r2.assertNotInvoked();
1892	>	r3.assertNotInvoked();
1893	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1894	>	checkCancelled(failFirst ? fst : snd);
1895	>	}}
1896
1897		/**
1898	<	* runAfterBoth result completes exceptionally if action does
1898	>	* thenAcceptBoth result completes exceptionally if action does
1899		*/
1900	<	public void testRunAfterBoth_actionFailed1() {
1900	>	public void testThenAcceptBoth_actionFailed() {
1901		for (ExecutionMode m : ExecutionMode.values())
1902	+	for (boolean fFirst : new boolean[] { true, false })
1903		for (Integer v1 : new Integer[] { 1, null })
1904	<	for (Integer v2 : new Integer[] { 2, null }) {
1905	<
1904	>	for (Integer v2 : new Integer[] { 2, null })
1905	>	{
1906		final CompletableFuture<Integer> f = new CompletableFuture<>();
1907		final CompletableFuture<Integer> g = new CompletableFuture<>();
1908	<	final FailingNoop r = new FailingNoop();
1909	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1910	<
1911	<	f.complete(v1);
1912	<	checkIncomplete(h);
1913	<	g.complete(v2);
1914	<
1915	<	checkCompletedWithWrappedCFException(h);
1908	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1909	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1910	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1911	>
1912	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1913	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1914	>	final Integer w1 =  fFirst ? v1 : v2;
1915	>	final Integer w2 = !fFirst ? v1 : v2;
1916	>
1917	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1918	>	assertTrue(fst.complete(w1));
1919	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1920	>	assertTrue(snd.complete(w2));
1921	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1922	>
1923	>	checkCompletedWithWrappedException(h1, r1.ex);
1924	>	checkCompletedWithWrappedException(h2, r2.ex);
1925	>	checkCompletedWithWrappedException(h3, r3.ex);
1926	>	r1.assertInvoked();
1927	>	r2.assertInvoked();
1928	>	r3.assertInvoked();
1929		checkCompletedNormally(f, v1);
1930		checkCompletedNormally(g, v2);
1931	<	}
1706	<	}
1931	>	}}
1932
1933	<	public void testRunAfterBoth_actionFailed2() {
1933	>	/**
1934	>	* runAfterBoth result completes normally after normal
1935	>	* completion of sources
1936	>	*/
1937	>	public void testRunAfterBoth_normalCompletion() {
1938		for (ExecutionMode m : ExecutionMode.values())
1939	+	for (boolean fFirst : new boolean[] { true, false })
1940		for (Integer v1 : new Integer[] { 1, null })
1941	<	for (Integer v2 : new Integer[] { 2, null }) {
1942	<
1941	>	for (Integer v2 : new Integer[] { 2, null })
1942	>	{
1943		final CompletableFuture<Integer> f = new CompletableFuture<>();
1944		final CompletableFuture<Integer> g = new CompletableFuture<>();
1945	<	final FailingNoop r = new FailingNoop();
1946	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1947	<
1948	<	g.complete(v2);
1949	<	checkIncomplete(h);
1950	<	f.complete(v1);
1951	<
1952	<	checkCompletedWithWrappedCFException(h);
1945	>	final Noop r1 = new Noop(m);
1946	>	final Noop r2 = new Noop(m);
1947	>	final Noop r3 = new Noop(m);
1948	>
1949	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1950	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1951	>	final Integer w1 =  fFirst ? v1 : v2;
1952	>	final Integer w2 = !fFirst ? v1 : v2;
1953	>
1954	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1955	>	assertTrue(fst.complete(w1));
1956	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1957	>	checkIncomplete(h1);
1958	>	checkIncomplete(h2);
1959	>	r1.assertNotInvoked();
1960	>	r2.assertNotInvoked();
1961	>	assertTrue(snd.complete(w2));
1962	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1963	>
1964	>	checkCompletedNormally(h1, null);
1965	>	checkCompletedNormally(h2, null);
1966	>	checkCompletedNormally(h3, null);
1967	>	r1.assertInvoked();
1968	>	r2.assertInvoked();
1969	>	r3.assertInvoked();
1970		checkCompletedNormally(f, v1);
1971		checkCompletedNormally(g, v2);
1972	<	}
1726	<	}
1972	>	}}
1973
1974		/**
1975	<	* runAfterBoth result completes exceptionally if either source cancelled
1975	>	* runAfterBoth result completes exceptionally after exceptional
1976	>	* completion of either source
1977		*/
1978	<	public void testRunAfterBoth_sourceCancelled1() {
1978	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1979		for (ExecutionMode m : ExecutionMode.values())
1980	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1981	<	for (Integer v1 : new Integer[] { 1, null }) {
1982	<
1980	>	for (boolean fFirst : new boolean[] { true, false })
1981	>	for (boolean failFirst : new boolean[] { true, false })
1982	>	for (Integer v1 : new Integer[] { 1, null })
1983	>	{
1984		final CompletableFuture<Integer> f = new CompletableFuture<>();
1985		final CompletableFuture<Integer> g = new CompletableFuture<>();
1986	<	final Noop r = new Noop();
1987	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1988	<
1989	<	assertTrue(f.cancel(mayInterruptIfRunning));
1990	<	checkIncomplete(h);
1991	<	g.complete(v1);
1992	<
1993	<	checkCompletedWithWrappedCancellationException(h);
1994	<	checkCancelled(f);
1995	<	assertEquals(0, r.invocationCount);
1996	<	checkCompletedNormally(g, v1);
1997	<	}
1998	<	}
1986	>	final CFException ex = new CFException();
1987	>	final Noop r1 = new Noop(m);
1988	>	final Noop r2 = new Noop(m);
1989	>	final Noop r3 = new Noop(m);
1990	>
1991	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1992	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1993	>	final Callable<Boolean> complete1 = failFirst ?
1994	>	() -> fst.completeExceptionally(ex) :
1995	>	() -> fst.complete(v1);
1996	>	final Callable<Boolean> complete2 = failFirst ?
1997	>	() -> snd.complete(v1) :
1998	>	() -> snd.completeExceptionally(ex);
1999	>
2000	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2001	>	assertTrue(complete1.call());
2002	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2003	>	checkIncomplete(h1);
2004	>	checkIncomplete(h2);
2005	>	assertTrue(complete2.call());
2006	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2007	>
2008	>	checkCompletedWithWrappedException(h1, ex);
2009	>	checkCompletedWithWrappedException(h2, ex);
2010	>	checkCompletedWithWrappedException(h3, ex);
2011	>	r1.assertNotInvoked();
2012	>	r2.assertNotInvoked();
2013	>	r3.assertNotInvoked();
2014	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2015	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2016	>	}}
2017
2018	<	public void testRunAfterBoth_sourceCancelled2() {
2018	>	/**
2019	>	* runAfterBoth result completes exceptionally if either source cancelled
2020	>	*/
2021	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2022		for (ExecutionMode m : ExecutionMode.values())
2023		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2024	<	for (Integer v1 : new Integer[] { 1, null }) {
2025	<
2024	>	for (boolean fFirst : new boolean[] { true, false })
2025	>	for (boolean failFirst : new boolean[] { true, false })
2026	>	for (Integer v1 : new Integer[] { 1, null })
2027	>	{
2028		final CompletableFuture<Integer> f = new CompletableFuture<>();
2029		final CompletableFuture<Integer> g = new CompletableFuture<>();
2030	<	final Noop r = new Noop();
2031	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2032	<
2033	<	assertTrue(g.cancel(mayInterruptIfRunning));
2034	<	checkIncomplete(h);
2035	<	f.complete(v1);
2036	<
2037	<	checkCompletedWithWrappedCancellationException(h);
2038	<	checkCancelled(g);
2039	<	assertEquals(0, r.invocationCount);
2040	<	checkCompletedNormally(f, v1);
2041	<	}
2042	<	}
2030	>	final Noop r1 = new Noop(m);
2031	>	final Noop r2 = new Noop(m);
2032	>	final Noop r3 = new Noop(m);
2033	>
2034	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2035	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2036	>	final Callable<Boolean> complete1 = failFirst ?
2037	>	() -> fst.cancel(mayInterruptIfRunning) :
2038	>	() -> fst.complete(v1);
2039	>	final Callable<Boolean> complete2 = failFirst ?
2040	>	() -> snd.complete(v1) :
2041	>	() -> snd.cancel(mayInterruptIfRunning);
2042	>
2043	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2044	>	assertTrue(complete1.call());
2045	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2046	>	checkIncomplete(h1);
2047	>	checkIncomplete(h2);
2048	>	assertTrue(complete2.call());
2049	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2050	>
2051	>	checkCompletedWithWrappedCancellationException(h1);
2052	>	checkCompletedWithWrappedCancellationException(h2);
2053	>	checkCompletedWithWrappedCancellationException(h3);
2054	>	r1.assertNotInvoked();
2055	>	r2.assertNotInvoked();
2056	>	r3.assertNotInvoked();
2057	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2058	>	checkCancelled(failFirst ? fst : snd);
2059	>	}}
2060
2061	<	public void testRunAfterBoth_sourceCancelled3() {
2061	>	/**
2062	>	* runAfterBoth result completes exceptionally if action does
2063	>	*/
2064	>	public void testRunAfterBoth_actionFailed() {
2065		for (ExecutionMode m : ExecutionMode.values())
2066	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2067	<	for (Integer v1 : new Integer[] { 1, null }) {
2068	<
2066	>	for (boolean fFirst : new boolean[] { true, false })
2067	>	for (Integer v1 : new Integer[] { 1, null })
2068	>	for (Integer v2 : new Integer[] { 2, null })
2069	>	{
2070		final CompletableFuture<Integer> f = new CompletableFuture<>();
2071		final CompletableFuture<Integer> g = new CompletableFuture<>();
2072	<	final Noop r = new Noop();
2073	<
2074	<	assertTrue(g.cancel(mayInterruptIfRunning));
2075	<	f.complete(v1);
2076	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2077	<
2078	<	checkCompletedWithWrappedCancellationException(h);
2079	<	checkCancelled(g);
2080	<	assertEquals(0, r.invocationCount);
2072	>	final FailingRunnable r1 = new FailingRunnable(m);
2073	>	final FailingRunnable r2 = new FailingRunnable(m);
2074	>	final FailingRunnable r3 = new FailingRunnable(m);
2075	>
2076	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2077	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2078	>	final Integer w1 =  fFirst ? v1 : v2;
2079	>	final Integer w2 = !fFirst ? v1 : v2;
2080	>
2081	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2082	>	assertTrue(fst.complete(w1));
2083	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2084	>	assertTrue(snd.complete(w2));
2085	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2086	>
2087	>	checkCompletedWithWrappedException(h1, r1.ex);
2088	>	checkCompletedWithWrappedException(h2, r2.ex);
2089	>	checkCompletedWithWrappedException(h3, r3.ex);
2090	>	r1.assertInvoked();
2091	>	r2.assertInvoked();
2092	>	r3.assertInvoked();
2093		checkCompletedNormally(f, v1);
2094	<	}
2095	<	}
1792	<
1793	<	public void testRunAfterBoth_sourceCancelled4() {
1794	<	for (ExecutionMode m : ExecutionMode.values())
1795	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1796	<	for (Integer v1 : new Integer[] { 1, null }) {
1797	<
1798	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1799	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1800	<	final Noop r = new Noop();
1801	<
1802	<	assertTrue(f.cancel(mayInterruptIfRunning));
1803	<	g.complete(v1);
1804	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1805	<
1806	<	checkCompletedWithWrappedCancellationException(h);
1807	<	checkCancelled(f);
1808	<	assertEquals(0, r.invocationCount);
1809	<	checkCompletedNormally(g, v1);
1810	<	}
1811	<	}
2094	>	checkCompletedNormally(g, v2);
2095	>	}}
2096
2097		/**
2098		* applyToEither result completes normally after normal completion
2099		* of either source
2100		*/
2101	<	public void testApplyToEither_normalCompletion1() {
2101	>	public void testApplyToEither_normalCompletion() {
2102		for (ExecutionMode m : ExecutionMode.values())
2103		for (Integer v1 : new Integer[] { 1, null })
2104	<	for (Integer v2 : new Integer[] { 2, null }) {
2105	<
2104	>	for (Integer v2 : new Integer[] { 2, null })
2105	>	{
2106		final CompletableFuture<Integer> f = new CompletableFuture<>();
2107		final CompletableFuture<Integer> g = new CompletableFuture<>();
2108	<	final IncFunction r = new IncFunction();
2109	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2108	>	final IncFunction[] rs = new IncFunction[6];
2109	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2110
2111	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2112	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2113	+	checkIncomplete(h0);
2114	+	checkIncomplete(h1);
2115	+	rs[0].assertNotInvoked();
2116	+	rs[1].assertNotInvoked();
2117		f.complete(v1);
2118	<	checkCompletedNormally(h, inc(v1));
2118	>	checkCompletedNormally(h0, inc(v1));
2119	>	checkCompletedNormally(h1, inc(v1));
2120	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2121	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2122	>	checkCompletedNormally(h2, inc(v1));
2123	>	checkCompletedNormally(h3, inc(v1));
2124		g.complete(v2);
2125
2126	<	checkCompletedNormally(f, v1);
2127	<	checkCompletedNormally(g, v2);
2128	<	checkCompletedNormally(h, inc(v1));
2129	<	}
2130	<	}
2131	<
2132	<	public void testApplyToEither_normalCompletion2() {
2133	<	for (ExecutionMode m : ExecutionMode.values())
2134	<	for (Integer v1 : new Integer[] { 1, null })
1840	<	for (Integer v2 : new Integer[] { 2, null }) {
1841	<
1842	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1843	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1844	<	final IncFunction r = new IncFunction();
1845	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1846	<
1847	<	g.complete(v2);
1848	<	checkCompletedNormally(h, inc(v2));
1849	<	f.complete(v1);
2126	>	// unspecified behavior - both source completions available
2127	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2128	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2129	>	rs[4].assertValue(h4.join());
2130	>	rs[5].assertValue(h5.join());
2131	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2132	>	Objects.equals(inc(v2), h4.join()));
2133	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2134	>	Objects.equals(inc(v2), h5.join()));
2135
2136		checkCompletedNormally(f, v1);
2137		checkCompletedNormally(g, v2);
2138	<	checkCompletedNormally(h, inc(v2));
2139	<	}
2140	<	}
2141	<	public void testApplyToEither_normalCompletion3() {
2142	<	for (ExecutionMode m : ExecutionMode.values())
2143	<	for (Integer v1 : new Integer[] { 1, null })
1859	<	for (Integer v2 : new Integer[] { 2, null }) {
1860	<
1861	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1862	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1863	<	final IncFunction r = new IncFunction();
1864	<
1865	<	f.complete(v1);
1866	<	g.complete(v2);
1867	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1868	<
1869	<	checkCompletedNormally(f, v1);
1870	<	checkCompletedNormally(g, v2);
1871	<
1872	<	// unspecified behavior
1873	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
1874	<	Objects.equals(h.join(), inc(v2)));
1875	<	assertEquals(1, r.invocationCount);
1876	<	}
1877	<	}
2138	>	checkCompletedNormally(h0, inc(v1));
2139	>	checkCompletedNormally(h1, inc(v1));
2140	>	checkCompletedNormally(h2, inc(v1));
2141	>	checkCompletedNormally(h3, inc(v1));
2142	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2143	>	}}
2144
2145		/**
2146		* applyToEither result completes exceptionally after exceptional
2147		* completion of either source
2148		*/
2149	<	public void testApplyToEither_exceptionalCompletion1() {
2149	>	public void testApplyToEither_exceptionalCompletion() {
2150		for (ExecutionMode m : ExecutionMode.values())
2151	<	for (Integer v1 : new Integer[] { 1, null }) {
2152	<
2151	>	for (Integer v1 : new Integer[] { 1, null })
2152	>	{
2153		final CompletableFuture<Integer> f = new CompletableFuture<>();
2154		final CompletableFuture<Integer> g = new CompletableFuture<>();
1889	–	final IncFunction r = new IncFunction();
1890	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2155		final CFException ex = new CFException();
2156	+	final IncFunction[] rs = new IncFunction[6];
2157	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2158
2159	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2160	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2161	+	checkIncomplete(h0);
2162	+	checkIncomplete(h1);
2163	+	rs[0].assertNotInvoked();
2164	+	rs[1].assertNotInvoked();
2165		f.completeExceptionally(ex);
2166	<	checkCompletedWithWrappedCFException(h, ex);
2166	>	checkCompletedWithWrappedException(h0, ex);
2167	>	checkCompletedWithWrappedException(h1, ex);
2168	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2169	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2170	>	checkCompletedWithWrappedException(h2, ex);
2171	>	checkCompletedWithWrappedException(h3, ex);
2172		g.complete(v1);
2173
2174	<	assertEquals(0, r.invocationCount);
2175	<	checkCompletedNormally(g, v1);
2176	<	checkCompletedWithWrappedCFException(f, ex);
2177	<	checkCompletedWithWrappedCFException(h, ex);
2178	<	}
2179	<	}
2180	<
2181	<	public void testApplyToEither_exceptionalCompletion2() {
2182	<	for (ExecutionMode m : ExecutionMode.values())
1906	<	for (Integer v1 : new Integer[] { 1, null }) {
1907	<
1908	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1909	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1910	<	final IncFunction r = new IncFunction();
1911	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1912	<	final CFException ex = new CFException();
1913	<
1914	<	g.completeExceptionally(ex);
1915	<	checkCompletedWithWrappedCFException(h, ex);
1916	<	f.complete(v1);
1917	<
1918	<	assertEquals(0, r.invocationCount);
1919	<	checkCompletedNormally(f, v1);
1920	<	checkCompletedWithWrappedCFException(g, ex);
1921	<	checkCompletedWithWrappedCFException(h, ex);
2174	>	// unspecified behavior - both source completions available
2175	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2176	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2177	>	try {
2178	>	assertEquals(inc(v1), h4.join());
2179	>	rs[4].assertValue(inc(v1));
2180	>	} catch (CompletionException ok) {
2181	>	checkCompletedWithWrappedException(h4, ex);
2182	>	rs[4].assertNotInvoked();
2183		}
1923	–	}
1924	–
1925	–	public void testApplyToEither_exceptionalCompletion3() {
1926	–	for (ExecutionMode m : ExecutionMode.values())
1927	–	for (Integer v1 : new Integer[] { 1, null }) {
1928	–
1929	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1930	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1931	–	final IncFunction r = new IncFunction();
1932	–	final CFException ex = new CFException();
1933	–
1934	–	g.completeExceptionally(ex);
1935	–	f.complete(v1);
1936	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1937	–
1938	–	// unspecified behavior
1939	–	Integer v;
2184		try {
2185	<	assertEquals(h.join(), inc(v1));
2186	<	assertEquals(1, r.invocationCount);
2185	>	assertEquals(inc(v1), h5.join());
2186	>	rs[5].assertValue(inc(v1));
2187		} catch (CompletionException ok) {
2188	<	checkCompletedWithWrappedCFException(h, ex);
2189	<	assertEquals(0, r.invocationCount);
2188	>	checkCompletedWithWrappedException(h5, ex);
2189	>	rs[5].assertNotInvoked();
2190		}
2191
2192	<	checkCompletedWithWrappedCFException(g, ex);
2193	<	checkCompletedNormally(f, v1);
2194	<	}
2195	<	}
2192	>	checkCompletedExceptionally(f, ex);
2193	>	checkCompletedNormally(g, v1);
2194	>	checkCompletedWithWrappedException(h0, ex);
2195	>	checkCompletedWithWrappedException(h1, ex);
2196	>	checkCompletedWithWrappedException(h2, ex);
2197	>	checkCompletedWithWrappedException(h3, ex);
2198	>	checkCompletedWithWrappedException(h4, ex);
2199	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2200	>	}}
2201
2202	<	public void testApplyToEither_exceptionalCompletion4() {
2202	>	public void testApplyToEither_exceptionalCompletion2() {
2203		for (ExecutionMode m : ExecutionMode.values())
2204	<	for (Integer v1 : new Integer[] { 1, null }) {
2205	<
2204	>	for (boolean fFirst : new boolean[] { true, false })
2205	>	for (Integer v1 : new Integer[] { 1, null })
2206	>	{
2207		final CompletableFuture<Integer> f = new CompletableFuture<>();
2208		final CompletableFuture<Integer> g = new CompletableFuture<>();
1959	–	final IncFunction r = new IncFunction();
2209		final CFException ex = new CFException();
2210	+	final IncFunction[] rs = new IncFunction[6];
2211	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2212
2213	<	f.completeExceptionally(ex);
2214	<	g.complete(v1);
2215	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2213	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2214	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2215	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2216	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2217	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2218	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2219
2220	<	// unspecified behavior
1967	<	Integer v;
2220	>	// unspecified behavior - both source completions available
2221		try {
2222	<	assertEquals(h.join(), inc(v1));
2223	<	assertEquals(1, r.invocationCount);
2222	>	assertEquals(inc(v1), h0.join());
2223	>	rs[0].assertValue(inc(v1));
2224		} catch (CompletionException ok) {
2225	<	checkCompletedWithWrappedCFException(h, ex);
2226	<	assertEquals(0, r.invocationCount);
2225	>	checkCompletedWithWrappedException(h0, ex);
2226	>	rs[0].assertNotInvoked();
2227		}
2228	<
2229	<	checkCompletedWithWrappedCFException(f, ex);
2230	<	checkCompletedNormally(g, v1);
2228	>	try {
2229	>	assertEquals(inc(v1), h1.join());
2230	>	rs[1].assertValue(inc(v1));
2231	>	} catch (CompletionException ok) {
2232	>	checkCompletedWithWrappedException(h1, ex);
2233	>	rs[1].assertNotInvoked();
2234		}
2235	<	}
2236	<
2237	<	/**
2238	<	* applyToEither result completes exceptionally if action does
2239	<	*/
2240	<	public void testApplyToEither_actionFailed1() {
2241	<	for (ExecutionMode m : ExecutionMode.values())
2242	<	for (Integer v1 : new Integer[] { 1, null })
2243	<	for (Integer v2 : new Integer[] { 2, null }) {
2244	<
2245	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2246	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2247	<	final FailingFunction r = new FailingFunction();
1992	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1993	<
1994	<	f.complete(v1);
1995	<	checkCompletedWithWrappedCFException(h);
1996	<	g.complete(v2);
1997	<	checkCompletedNormally(f, v1);
1998	<	checkCompletedNormally(g, v2);
2235	>	try {
2236	>	assertEquals(inc(v1), h2.join());
2237	>	rs[2].assertValue(inc(v1));
2238	>	} catch (CompletionException ok) {
2239	>	checkCompletedWithWrappedException(h2, ex);
2240	>	rs[2].assertNotInvoked();
2241	>	}
2242	>	try {
2243	>	assertEquals(inc(v1), h3.join());
2244	>	rs[3].assertValue(inc(v1));
2245	>	} catch (CompletionException ok) {
2246	>	checkCompletedWithWrappedException(h3, ex);
2247	>	rs[3].assertNotInvoked();
2248		}
2000	–	}
2001	–
2002	–	public void testApplyToEither_actionFailed2() {
2003	–	for (ExecutionMode m : ExecutionMode.values())
2004	–	for (Integer v1 : new Integer[] { 1, null })
2005	–	for (Integer v2 : new Integer[] { 2, null }) {
2006	–
2007	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2008	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2009	–	final FailingFunction r = new FailingFunction();
2010	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2249
2012	–	g.complete(v2);
2013	–	checkCompletedWithWrappedCFException(h);
2014	–	f.complete(v1);
2250		checkCompletedNormally(f, v1);
2251	<	checkCompletedNormally(g, v2);
2252	<	}
2018	<	}
2251	>	checkCompletedExceptionally(g, ex);
2252	>	}}
2253
2254		/**
2255		* applyToEither result completes exceptionally if either source cancelled
2256		*/
2257	<	public void testApplyToEither_sourceCancelled1() {
2257	>	public void testApplyToEither_sourceCancelled() {
2258		for (ExecutionMode m : ExecutionMode.values())
2259		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2260	<	for (Integer v1 : new Integer[] { 1, null }) {
2261	<
2260	>	for (Integer v1 : new Integer[] { 1, null })
2261	>	{
2262		final CompletableFuture<Integer> f = new CompletableFuture<>();
2263		final CompletableFuture<Integer> g = new CompletableFuture<>();
2264	<	final IncFunction r = new IncFunction();
2265	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2264	>	final IncFunction[] rs = new IncFunction[6];
2265	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2266
2267	<	assertTrue(f.cancel(mayInterruptIfRunning));
2268	<	checkCompletedWithWrappedCancellationException(h);
2267	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2268	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2269	>	checkIncomplete(h0);
2270	>	checkIncomplete(h1);
2271	>	rs[0].assertNotInvoked();
2272	>	rs[1].assertNotInvoked();
2273	>	f.cancel(mayInterruptIfRunning);
2274	>	checkCompletedWithWrappedCancellationException(h0);
2275	>	checkCompletedWithWrappedCancellationException(h1);
2276	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2277	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2278	>	checkCompletedWithWrappedCancellationException(h2);
2279	>	checkCompletedWithWrappedCancellationException(h3);
2280		g.complete(v1);
2281
2282	+	// unspecified behavior - both source completions available
2283	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2284	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2285	+	try {
2286	+	assertEquals(inc(v1), h4.join());
2287	+	rs[4].assertValue(inc(v1));
2288	+	} catch (CompletionException ok) {
2289	+	checkCompletedWithWrappedCancellationException(h4);
2290	+	rs[4].assertNotInvoked();
2291	+	}
2292	+	try {
2293	+	assertEquals(inc(v1), h5.join());
2294	+	rs[5].assertValue(inc(v1));
2295	+	} catch (CompletionException ok) {
2296	+	checkCompletedWithWrappedCancellationException(h5);
2297	+	rs[5].assertNotInvoked();
2298	+	}
2299	+
2300		checkCancelled(f);
2038	–	assertEquals(0, r.invocationCount);
2301		checkCompletedNormally(g, v1);
2302	<	checkCompletedWithWrappedCancellationException(h);
2303	<	}
2304	<	}
2302	>	checkCompletedWithWrappedCancellationException(h0);
2303	>	checkCompletedWithWrappedCancellationException(h1);
2304	>	checkCompletedWithWrappedCancellationException(h2);
2305	>	checkCompletedWithWrappedCancellationException(h3);
2306	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2307	>	}}
2308
2309		public void testApplyToEither_sourceCancelled2() {
2310		for (ExecutionMode m : ExecutionMode.values())
2311		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2312	<	for (Integer v1 : new Integer[] { 1, null }) {
2313	<
2312	>	for (boolean fFirst : new boolean[] { true, false })
2313	>	for (Integer v1 : new Integer[] { 1, null })
2314	>	{
2315		final CompletableFuture<Integer> f = new CompletableFuture<>();
2316		final CompletableFuture<Integer> g = new CompletableFuture<>();
2317	<	final IncFunction r = new IncFunction();
2318	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2317	>	final IncFunction[] rs = new IncFunction[6];
2318	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2319
2320	<	assertTrue(g.cancel(mayInterruptIfRunning));
2321	<	checkCompletedWithWrappedCancellationException(h);
2322	<	f.complete(v1);
2320	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2321	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2322	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2323	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2324	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2325	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2326
2327	<	checkCancelled(g);
2328	<	assertEquals(0, r.invocationCount);
2329	<	checkCompletedNormally(f, v1);
2330	<	checkCompletedWithWrappedCancellationException(h);
2327	>	// unspecified behavior - both source completions available
2328	>	try {
2329	>	assertEquals(inc(v1), h0.join());
2330	>	rs[0].assertValue(inc(v1));
2331	>	} catch (CompletionException ok) {
2332	>	checkCompletedWithWrappedCancellationException(h0);
2333	>	rs[0].assertNotInvoked();
2334		}
2063	–	}
2064	–
2065	–	public void testApplyToEither_sourceCancelled3() {
2066	–	for (ExecutionMode m : ExecutionMode.values())
2067	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2068	–	for (Integer v1 : new Integer[] { 1, null }) {
2069	–
2070	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2071	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2072	–	final IncFunction r = new IncFunction();
2073	–
2074	–	assertTrue(g.cancel(mayInterruptIfRunning));
2075	–	f.complete(v1);
2076	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2077	–
2078	–	// unspecified behavior
2079	–	Integer v;
2335		try {
2336	<	assertEquals(h.join(), inc(v1));
2337	<	assertEquals(1, r.invocationCount);
2336	>	assertEquals(inc(v1), h1.join());
2337	>	rs[1].assertValue(inc(v1));
2338		} catch (CompletionException ok) {
2339	<	checkCompletedWithWrappedCancellationException(h);
2340	<	assertEquals(0, r.invocationCount);
2339	>	checkCompletedWithWrappedCancellationException(h1);
2340	>	rs[1].assertNotInvoked();
2341		}
2342	<
2343	<	checkCancelled(g);
2344	<	checkCompletedNormally(f, v1);
2342	>	try {
2343	>	assertEquals(inc(v1), h2.join());
2344	>	rs[2].assertValue(inc(v1));
2345	>	} catch (CompletionException ok) {
2346	>	checkCompletedWithWrappedCancellationException(h2);
2347	>	rs[2].assertNotInvoked();
2348		}
2091	–	}
2092	–
2093	–	public void testApplyToEither_sourceCancelled4() {
2094	–	for (ExecutionMode m : ExecutionMode.values())
2095	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2096	–	for (Integer v1 : new Integer[] { 1, null }) {
2097	–
2098	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2099	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2100	–	final IncFunction r = new IncFunction();
2101	–
2102	–	assertTrue(f.cancel(mayInterruptIfRunning));
2103	–	g.complete(v1);
2104	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2105	–
2106	–	// unspecified behavior
2107	–	Integer v;
2349		try {
2350	<	assertEquals(h.join(), inc(v1));
2351	<	assertEquals(1, r.invocationCount);
2350	>	assertEquals(inc(v1), h3.join());
2351	>	rs[3].assertValue(inc(v1));
2352		} catch (CompletionException ok) {
2353	<	checkCompletedWithWrappedCancellationException(h);
2354	<	assertEquals(0, r.invocationCount);
2353	>	checkCompletedWithWrappedCancellationException(h3);
2354	>	rs[3].assertNotInvoked();
2355		}
2356
2357	<	checkCancelled(f);
2358	<	checkCompletedNormally(g, v1);
2359	<	}
2119	<	}
2357	>	checkCompletedNormally(f, v1);
2358	>	checkCancelled(g);
2359	>	}}
2360
2361		/**
2362	<	* acceptEither result completes normally after normal completion
2123	<	* of either source
2362	>	* applyToEither result completes exceptionally if action does
2363		*/
2364	<	public void testAcceptEither_normalCompletion1() {
2364	>	public void testApplyToEither_actionFailed() {
2365		for (ExecutionMode m : ExecutionMode.values())
2366		for (Integer v1 : new Integer[] { 1, null })
2367	<	for (Integer v2 : new Integer[] { 2, null }) {
2368	<
2367	>	for (Integer v2 : new Integer[] { 2, null })
2368	>	{
2369		final CompletableFuture<Integer> f = new CompletableFuture<>();
2370		final CompletableFuture<Integer> g = new CompletableFuture<>();
2371	<	final IncAction r = new IncAction();
2372	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2371	>	final FailingFunction[] rs = new FailingFunction[6];
2372	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2373
2374	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2375	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2376		f.complete(v1);
2377	<	checkCompletedNormally(h, null);
2378	<	assertEquals(r.value, inc(v1));
2379	<	g.complete(v2);
2380	<
2381	<	checkCompletedNormally(f, v1);
2382	<	checkCompletedNormally(g, v2);
2383	<	checkCompletedNormally(h, null);
2143	<	}
2144	<	}
2377	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2378	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2379	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2380	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2381	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2382	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2383	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2384
2385	<	public void testAcceptEither_normalCompletion2() {
2147	<	for (ExecutionMode m : ExecutionMode.values())
2148	<	for (Integer v1 : new Integer[] { 1, null })
2149	<	for (Integer v2 : new Integer[] { 2, null }) {
2385	>	g.complete(v2);
2386
2387	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2388	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2389	<	final IncAction r = new IncAction();
2154	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2387	>	// unspecified behavior - both source completions available
2388	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2389	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2390
2391	<	g.complete(v2);
2392	<	checkCompletedNormally(h, null);
2393	<	assertEquals(r.value, inc(v2));
2394	<	f.complete(v1);
2391	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2392	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2393	>	Objects.equals(v2, rs[4].value));
2394	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2395	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2396	>	Objects.equals(v2, rs[5].value));
2397
2398		checkCompletedNormally(f, v1);
2399		checkCompletedNormally(g, v2);
2400	<	checkCompletedNormally(h, null);
2401	<	}
2402	<	}
2403	<	public void testAcceptEither_normalCompletion3() {
2400	>	}}
2401	>
2402	>	/**
2403	>	* acceptEither result completes normally after normal completion
2404	>	* of either source
2405	>	*/
2406	>	public void testAcceptEither_normalCompletion() {
2407		for (ExecutionMode m : ExecutionMode.values())
2408		for (Integer v1 : new Integer[] { 1, null })
2409	<	for (Integer v2 : new Integer[] { 2, null }) {
2410	<
2409	>	for (Integer v2 : new Integer[] { 2, null })
2410	>	{
2411		final CompletableFuture<Integer> f = new CompletableFuture<>();
2412		final CompletableFuture<Integer> g = new CompletableFuture<>();
2413	<	final IncAction r = new IncAction();
2414	<
2415	<	f.complete(v1);
2416	<	g.complete(v2);
2417	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2413	>	final NoopConsumer[] rs = new NoopConsumer[6];
2414	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2415	>
2416	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2417	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2418	>	checkIncomplete(h0);
2419	>	checkIncomplete(h1);
2420	>	rs[0].assertNotInvoked();
2421	>	rs[1].assertNotInvoked();
2422	>	f.complete(v1);
2423	>	checkCompletedNormally(h0, null);
2424	>	checkCompletedNormally(h1, null);
2425	>	rs[0].assertValue(v1);
2426	>	rs[1].assertValue(v1);
2427	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2428	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2429	>	checkCompletedNormally(h2, null);
2430	>	checkCompletedNormally(h3, null);
2431	>	rs[2].assertValue(v1);
2432	>	rs[3].assertValue(v1);
2433	>	g.complete(v2);
2434	>
2435	>	// unspecified behavior - both source completions available
2436	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2437	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2438	>	checkCompletedNormally(h4, null);
2439	>	checkCompletedNormally(h5, null);
2440	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2441	>	Objects.equals(v2, rs[4].value));
2442	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2443	>	Objects.equals(v2, rs[5].value));
2444
2179	–	checkCompletedNormally(h, null);
2445		checkCompletedNormally(f, v1);
2446		checkCompletedNormally(g, v2);
2447	<
2448	<	// unspecified behavior
2449	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2450	<	Objects.equals(r.value, inc(v2)));
2451	<	}
2452	<	}
2447	>	checkCompletedNormally(h0, null);
2448	>	checkCompletedNormally(h1, null);
2449	>	checkCompletedNormally(h2, null);
2450	>	checkCompletedNormally(h3, null);
2451	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2452	>	}}
2453
2454		/**
2455		* acceptEither result completes exceptionally after exceptional
2456		* completion of either source
2457		*/
2458	<	public void testAcceptEither_exceptionalCompletion1() {
2458	>	public void testAcceptEither_exceptionalCompletion() {
2459		for (ExecutionMode m : ExecutionMode.values())
2460	<	for (Integer v1 : new Integer[] { 1, null }) {
2461	<
2460	>	for (Integer v1 : new Integer[] { 1, null })
2461	>	{
2462		final CompletableFuture<Integer> f = new CompletableFuture<>();
2463		final CompletableFuture<Integer> g = new CompletableFuture<>();
2199	–	final IncAction r = new IncAction();
2200	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2464		final CFException ex = new CFException();
2465	+	final NoopConsumer[] rs = new NoopConsumer[6];
2466	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2467
2468	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2469	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2470	+	checkIncomplete(h0);
2471	+	checkIncomplete(h1);
2472	+	rs[0].assertNotInvoked();
2473	+	rs[1].assertNotInvoked();
2474		f.completeExceptionally(ex);
2475	<	checkCompletedWithWrappedCFException(h, ex);
2476	<	g.complete(v1);
2477	<
2478	<	assertEquals(0, r.invocationCount);
2479	<	checkCompletedNormally(g, v1);
2480	<	checkCompletedWithWrappedCFException(f, ex);
2210	<	checkCompletedWithWrappedCFException(h, ex);
2211	<	}
2212	<	}
2475	>	checkCompletedWithWrappedException(h0, ex);
2476	>	checkCompletedWithWrappedException(h1, ex);
2477	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2478	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2479	>	checkCompletedWithWrappedException(h2, ex);
2480	>	checkCompletedWithWrappedException(h3, ex);
2481
2482	<	public void testAcceptEither_exceptionalCompletion2() {
2215	<	for (ExecutionMode m : ExecutionMode.values())
2216	<	for (Integer v1 : new Integer[] { 1, null }) {
2217	<
2218	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2219	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2220	<	final IncAction r = new IncAction();
2221	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2222	<	final CFException ex = new CFException();
2223	<
2224	<	g.completeExceptionally(ex);
2225	<	checkCompletedWithWrappedCFException(h, ex);
2226	<	f.complete(v1);
2482	>	g.complete(v1);
2483
2484	<	assertEquals(0, r.invocationCount);
2485	<	checkCompletedNormally(f, v1);
2486	<	checkCompletedWithWrappedCFException(g, ex);
2487	<	checkCompletedWithWrappedCFException(h, ex);
2484	>	// unspecified behavior - both source completions available
2485	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2486	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2487	>	try {
2488	>	assertNull(h4.join());
2489	>	rs[4].assertValue(v1);
2490	>	} catch (CompletionException ok) {
2491	>	checkCompletedWithWrappedException(h4, ex);
2492	>	rs[4].assertNotInvoked();
2493		}
2233	–	}
2234	–
2235	–	public void testAcceptEither_exceptionalCompletion3() {
2236	–	for (ExecutionMode m : ExecutionMode.values())
2237	–	for (Integer v1 : new Integer[] { 1, null }) {
2238	–
2239	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2240	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2241	–	final IncAction r = new IncAction();
2242	–	final CFException ex = new CFException();
2243	–
2244	–	g.completeExceptionally(ex);
2245	–	f.complete(v1);
2246	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2247	–
2248	–	// unspecified behavior
2249	–	Integer v;
2494		try {
2495	<	assertEquals(h.join(), null);
2496	<	assertEquals(1, r.invocationCount);
2253	<	assertEquals(inc(v1), r.value);
2495	>	assertNull(h5.join());
2496	>	rs[5].assertValue(v1);
2497		} catch (CompletionException ok) {
2498	<	checkCompletedWithWrappedCFException(h, ex);
2499	<	assertEquals(0, r.invocationCount);
2498	>	checkCompletedWithWrappedException(h5, ex);
2499	>	rs[5].assertNotInvoked();
2500		}
2501
2502	<	checkCompletedWithWrappedCFException(g, ex);
2503	<	checkCompletedNormally(f, v1);
2504	<	}
2505	<	}
2502	>	checkCompletedExceptionally(f, ex);
2503	>	checkCompletedNormally(g, v1);
2504	>	checkCompletedWithWrappedException(h0, ex);
2505	>	checkCompletedWithWrappedException(h1, ex);
2506	>	checkCompletedWithWrappedException(h2, ex);
2507	>	checkCompletedWithWrappedException(h3, ex);
2508	>	checkCompletedWithWrappedException(h4, ex);
2509	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2510	>	}}
2511
2512	<	public void testAcceptEither_exceptionalCompletion4() {
2512	>	public void testAcceptEither_exceptionalCompletion2() {
2513		for (ExecutionMode m : ExecutionMode.values())
2514	<	for (Integer v1 : new Integer[] { 1, null }) {
2515	<
2514	>	for (boolean fFirst : new boolean[] { true, false })
2515	>	for (Integer v1 : new Integer[] { 1, null })
2516	>	{
2517		final CompletableFuture<Integer> f = new CompletableFuture<>();
2518		final CompletableFuture<Integer> g = new CompletableFuture<>();
2270	–	final IncAction r = new IncAction();
2519		final CFException ex = new CFException();
2520	+	final NoopConsumer[] rs = new NoopConsumer[6];
2521	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2522
2523	<	f.completeExceptionally(ex);
2524	<	g.complete(v1);
2525	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2523	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2524	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2525	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2526	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2527	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2528	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2529
2530	<	// unspecified behavior
2278	<	Integer v;
2530	>	// unspecified behavior - both source completions available
2531		try {
2532	<	assertEquals(h.join(), null);
2533	<	assertEquals(1, r.invocationCount);
2282	<	assertEquals(inc(v1), r.value);
2532	>	assertEquals(null, h0.join());
2533	>	rs[0].assertValue(v1);
2534		} catch (CompletionException ok) {
2535	<	checkCompletedWithWrappedCFException(h, ex);
2536	<	assertEquals(0, r.invocationCount);
2535	>	checkCompletedWithWrappedException(h0, ex);
2536	>	rs[0].assertNotInvoked();
2537		}
2538	<
2539	<	checkCompletedWithWrappedCFException(f, ex);
2540	<	checkCompletedNormally(g, v1);
2538	>	try {
2539	>	assertEquals(null, h1.join());
2540	>	rs[1].assertValue(v1);
2541	>	} catch (CompletionException ok) {
2542	>	checkCompletedWithWrappedException(h1, ex);
2543	>	rs[1].assertNotInvoked();
2544		}
2545	<	}
2546	<
2547	<	/**
2548	<	* acceptEither result completes exceptionally if action does
2549	<	*/
2550	<	public void testAcceptEither_actionFailed1() {
2551	<	for (ExecutionMode m : ExecutionMode.values())
2552	<	for (Integer v1 : new Integer[] { 1, null })
2553	<	for (Integer v2 : new Integer[] { 2, null }) {
2554	<
2555	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2556	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2557	<	final FailingConsumer r = new FailingConsumer();
2304	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2305	<
2306	<	f.complete(v1);
2307	<	checkCompletedWithWrappedCFException(h);
2308	<	g.complete(v2);
2309	<	checkCompletedNormally(f, v1);
2310	<	checkCompletedNormally(g, v2);
2545	>	try {
2546	>	assertEquals(null, h2.join());
2547	>	rs[2].assertValue(v1);
2548	>	} catch (CompletionException ok) {
2549	>	checkCompletedWithWrappedException(h2, ex);
2550	>	rs[2].assertNotInvoked();
2551	>	}
2552	>	try {
2553	>	assertEquals(null, h3.join());
2554	>	rs[3].assertValue(v1);
2555	>	} catch (CompletionException ok) {
2556	>	checkCompletedWithWrappedException(h3, ex);
2557	>	rs[3].assertNotInvoked();
2558		}
2312	–	}
2313	–
2314	–	public void testAcceptEither_actionFailed2() {
2315	–	for (ExecutionMode m : ExecutionMode.values())
2316	–	for (Integer v1 : new Integer[] { 1, null })
2317	–	for (Integer v2 : new Integer[] { 2, null }) {
2318	–
2319	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2320	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2321	–	final FailingConsumer r = new FailingConsumer();
2322	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2559
2324	–	g.complete(v2);
2325	–	checkCompletedWithWrappedCFException(h);
2326	–	f.complete(v1);
2560		checkCompletedNormally(f, v1);
2561	<	checkCompletedNormally(g, v2);
2562	<	}
2330	<	}
2561	>	checkCompletedExceptionally(g, ex);
2562	>	}}
2563
2564		/**
2565		* acceptEither result completes exceptionally if either source cancelled
2566		*/
2567	<	public void testAcceptEither_sourceCancelled1() {
2567	>	public void testAcceptEither_sourceCancelled() {
2568		for (ExecutionMode m : ExecutionMode.values())
2569		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2570	<	for (Integer v1 : new Integer[] { 1, null }) {
2571	<
2340	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2341	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2342	<	final IncAction r = new IncAction();
2343	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2344	<
2345	<	assertTrue(f.cancel(mayInterruptIfRunning));
2346	<	checkCompletedWithWrappedCancellationException(h);
2347	<	g.complete(v1);
2348	<
2349	<	checkCancelled(f);
2350	<	assertEquals(0, r.invocationCount);
2351	<	checkCompletedNormally(g, v1);
2352	<	checkCompletedWithWrappedCancellationException(h);
2353	<	}
2354	<	}
2355	<
2356	<	public void testAcceptEither_sourceCancelled2() {
2357	<	for (ExecutionMode m : ExecutionMode.values())
2358	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2359	<	for (Integer v1 : new Integer[] { 1, null }) {
2360	<
2570	>	for (Integer v1 : new Integer[] { 1, null })
2571	>	{
2572		final CompletableFuture<Integer> f = new CompletableFuture<>();
2573		final CompletableFuture<Integer> g = new CompletableFuture<>();
2574	<	final IncAction r = new IncAction();
2575	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2365	<
2366	<	assertTrue(g.cancel(mayInterruptIfRunning));
2367	<	checkCompletedWithWrappedCancellationException(h);
2368	<	f.complete(v1);
2369	<
2370	<	checkCancelled(g);
2371	<	assertEquals(0, r.invocationCount);
2372	<	checkCompletedNormally(f, v1);
2373	<	checkCompletedWithWrappedCancellationException(h);
2374	<	}
2375	<	}
2574	>	final NoopConsumer[] rs = new NoopConsumer[6];
2575	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2576
2577	<	public void testAcceptEither_sourceCancelled3() {
2578	<	for (ExecutionMode m : ExecutionMode.values())
2579	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2580	<	for (Integer v1 : new Integer[] { 1, null }) {
2577	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2578	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2579	>	checkIncomplete(h0);
2580	>	checkIncomplete(h1);
2581	>	rs[0].assertNotInvoked();
2582	>	rs[1].assertNotInvoked();
2583	>	f.cancel(mayInterruptIfRunning);
2584	>	checkCompletedWithWrappedCancellationException(h0);
2585	>	checkCompletedWithWrappedCancellationException(h1);
2586	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2587	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2588	>	checkCompletedWithWrappedCancellationException(h2);
2589	>	checkCompletedWithWrappedCancellationException(h3);
2590
2591	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2383	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2384	<	final IncAction r = new IncAction();
2385	<
2386	<	assertTrue(g.cancel(mayInterruptIfRunning));
2387	<	f.complete(v1);
2388	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2591	>	g.complete(v1);
2592
2593	<	// unspecified behavior
2594	<	Integer v;
2593	>	// unspecified behavior - both source completions available
2594	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2595	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2596		try {
2597	<	assertEquals(h.join(), null);
2598	<	assertEquals(1, r.invocationCount);
2395	<	assertEquals(inc(v1), r.value);
2597	>	assertNull(h4.join());
2598	>	rs[4].assertValue(v1);
2599		} catch (CompletionException ok) {
2600	<	checkCompletedWithWrappedCancellationException(h);
2601	<	assertEquals(0, r.invocationCount);
2399	<	}
2400	<
2401	<	checkCancelled(g);
2402	<	checkCompletedNormally(f, v1);
2600	>	checkCompletedWithWrappedCancellationException(h4);
2601	>	rs[4].assertNotInvoked();
2602		}
2404	–	}
2405	–
2406	–	public void testAcceptEither_sourceCancelled4() {
2407	–	for (ExecutionMode m : ExecutionMode.values())
2408	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2409	–	for (Integer v1 : new Integer[] { 1, null }) {
2410	–
2411	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2412	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2413	–	final IncAction r = new IncAction();
2414	–
2415	–	assertTrue(f.cancel(mayInterruptIfRunning));
2416	–	g.complete(v1);
2417	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2418	–
2419	–	// unspecified behavior
2420	–	Integer v;
2603		try {
2604	<	assertEquals(h.join(), null);
2605	<	assertEquals(1, r.invocationCount);
2424	<	assertEquals(inc(v1), r.value);
2604	>	assertNull(h5.join());
2605	>	rs[5].assertValue(v1);
2606		} catch (CompletionException ok) {
2607	<	checkCompletedWithWrappedCancellationException(h);
2608	<	assertEquals(0, r.invocationCount);
2607	>	checkCompletedWithWrappedCancellationException(h5);
2608	>	rs[5].assertNotInvoked();
2609		}
2610
2611		checkCancelled(f);
2612		checkCompletedNormally(g, v1);
2613	<	}
2614	<	}
2613	>	checkCompletedWithWrappedCancellationException(h0);
2614	>	checkCompletedWithWrappedCancellationException(h1);
2615	>	checkCompletedWithWrappedCancellationException(h2);
2616	>	checkCompletedWithWrappedCancellationException(h3);
2617	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2618	>	}}
2619
2620		/**
2621	<	* runAfterEither result completes normally after normal completion
2437	<	* of either source
2621	>	* acceptEither result completes exceptionally if action does
2622		*/
2623	<	public void testRunAfterEither_normalCompletion1() {
2623	>	public void testAcceptEither_actionFailed() {
2624		for (ExecutionMode m : ExecutionMode.values())
2625		for (Integer v1 : new Integer[] { 1, null })
2626	<	for (Integer v2 : new Integer[] { 2, null }) {
2627	<
2626	>	for (Integer v2 : new Integer[] { 2, null })
2627	>	{
2628		final CompletableFuture<Integer> f = new CompletableFuture<>();
2629		final CompletableFuture<Integer> g = new CompletableFuture<>();
2630	<	final Noop r = new Noop();
2631	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2630	>	final FailingConsumer[] rs = new FailingConsumer[6];
2631	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2632
2633	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2634	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2635		f.complete(v1);
2636	<	checkCompletedNormally(h, null);
2637	<	assertEquals(1, r.invocationCount);
2638	<	g.complete(v2);
2639	<
2640	<	checkCompletedNormally(f, v1);
2641	<	checkCompletedNormally(g, v2);
2642	<	checkCompletedNormally(h, null);
2457	<	assertEquals(1, r.invocationCount);
2458	<	}
2459	<	}
2636	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2637	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2638	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2639	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2640	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2641	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2642	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2643
2644	<	public void testRunAfterEither_normalCompletion2() {
2462	<	for (ExecutionMode m : ExecutionMode.values())
2463	<	for (Integer v1 : new Integer[] { 1, null })
2464	<	for (Integer v2 : new Integer[] { 2, null }) {
2644	>	g.complete(v2);
2645
2646	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2647	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2648	<	final Noop r = new Noop();
2469	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2646	>	// unspecified behavior - both source completions available
2647	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2648	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2649
2650	<	g.complete(v2);
2651	<	checkCompletedNormally(h, null);
2652	<	assertEquals(1, r.invocationCount);
2653	<	f.complete(v1);
2650	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2651	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2652	>	Objects.equals(v2, rs[4].value));
2653	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2654	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2655	>	Objects.equals(v2, rs[5].value));
2656
2657		checkCompletedNormally(f, v1);
2658		checkCompletedNormally(g, v2);
2659	<	checkCompletedNormally(h, null);
2660	<	assertEquals(1, r.invocationCount);
2661	<	}
2662	<	}
2663	<	public void testRunAfterEither_normalCompletion3() {
2659	>	}}
2660	>
2661	>	/**
2662	>	* runAfterEither result completes normally after normal completion
2663	>	* of either source
2664	>	*/
2665	>	public void testRunAfterEither_normalCompletion() {
2666		for (ExecutionMode m : ExecutionMode.values())
2667		for (Integer v1 : new Integer[] { 1, null })
2668	<	for (Integer v2 : new Integer[] { 2, null }) {
2669	<
2668	>	for (Integer v2 : new Integer[] { 2, null })
2669	>	{
2670		final CompletableFuture<Integer> f = new CompletableFuture<>();
2671		final CompletableFuture<Integer> g = new CompletableFuture<>();
2672	<	final Noop r = new Noop();
2672	>	final Noop[] rs = new Noop[6];
2673	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2674
2675	+	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2676	+	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2677	+	checkIncomplete(h0);
2678	+	checkIncomplete(h1);
2679	+	rs[0].assertNotInvoked();
2680	+	rs[1].assertNotInvoked();
2681		f.complete(v1);
2682	+	checkCompletedNormally(h0, null);
2683	+	checkCompletedNormally(h1, null);
2684	+	rs[0].assertInvoked();
2685	+	rs[1].assertInvoked();
2686	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2687	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2688	+	checkCompletedNormally(h2, null);
2689	+	checkCompletedNormally(h3, null);
2690	+	rs[2].assertInvoked();
2691	+	rs[3].assertInvoked();
2692	+
2693		g.complete(v2);
2493	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2694
2695	<	checkCompletedNormally(h, null);
2695	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2696	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2697	>
2698		checkCompletedNormally(f, v1);
2699		checkCompletedNormally(g, v2);
2700	<	assertEquals(1, r.invocationCount);
2701	<	}
2702	<	}
2700	>	checkCompletedNormally(h0, null);
2701	>	checkCompletedNormally(h1, null);
2702	>	checkCompletedNormally(h2, null);
2703	>	checkCompletedNormally(h3, null);
2704	>	checkCompletedNormally(h4, null);
2705	>	checkCompletedNormally(h5, null);
2706	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2707	>	}}
2708
2709		/**
2710		* runAfterEither result completes exceptionally after exceptional
2711		* completion of either source
2712		*/
2713	<	public void testRunAfterEither_exceptionalCompletion1() {
2713	>	public void testRunAfterEither_exceptionalCompletion() {
2714		for (ExecutionMode m : ExecutionMode.values())
2715	<	for (Integer v1 : new Integer[] { 1, null }) {
2716	<
2715	>	for (Integer v1 : new Integer[] { 1, null })
2716	>	{
2717		final CompletableFuture<Integer> f = new CompletableFuture<>();
2718		final CompletableFuture<Integer> g = new CompletableFuture<>();
2512	–	final Noop r = new Noop();
2513	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2719		final CFException ex = new CFException();
2720	+	final Noop[] rs = new Noop[6];
2721	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2722
2723	<	f.completeExceptionally(ex);
2724	<	checkCompletedWithWrappedCFException(h, ex);
2725	<	g.complete(v1);
2723	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2724	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2725	>	checkIncomplete(h0);
2726	>	checkIncomplete(h1);
2727	>	rs[0].assertNotInvoked();
2728	>	rs[1].assertNotInvoked();
2729	>	assertTrue(f.completeExceptionally(ex));
2730	>	checkCompletedWithWrappedException(h0, ex);
2731	>	checkCompletedWithWrappedException(h1, ex);
2732	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2733	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2734	>	checkCompletedWithWrappedException(h2, ex);
2735	>	checkCompletedWithWrappedException(h3, ex);
2736
2737	<	assertEquals(0, r.invocationCount);
2521	<	checkCompletedNormally(g, v1);
2522	<	checkCompletedWithWrappedCFException(f, ex);
2523	<	checkCompletedWithWrappedCFException(h, ex);
2524	<	}
2525	<	}
2737	>	assertTrue(g.complete(v1));
2738
2739	<	public void testRunAfterEither_exceptionalCompletion2() {
2740	<	for (ExecutionMode m : ExecutionMode.values())
2741	<	for (Integer v1 : new Integer[] { 1, null }) {
2742	<
2743	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2744	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2745	<	final Noop r = new Noop();
2746	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2747	<	final CFException ex = new CFException();
2536	<
2537	<	g.completeExceptionally(ex);
2538	<	checkCompletedWithWrappedCFException(h, ex);
2539	<	f.complete(v1);
2540	<
2541	<	assertEquals(0, r.invocationCount);
2542	<	checkCompletedNormally(f, v1);
2543	<	checkCompletedWithWrappedCFException(g, ex);
2544	<	checkCompletedWithWrappedCFException(h, ex);
2739	>	// unspecified behavior - both source completions available
2740	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2741	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2742	>	try {
2743	>	assertNull(h4.join());
2744	>	rs[4].assertInvoked();
2745	>	} catch (CompletionException ok) {
2746	>	checkCompletedWithWrappedException(h4, ex);
2747	>	rs[4].assertNotInvoked();
2748		}
2546	–	}
2547	–
2548	–	public void testRunAfterEither_exceptionalCompletion3() {
2549	–	for (ExecutionMode m : ExecutionMode.values())
2550	–	for (Integer v1 : new Integer[] { 1, null }) {
2551	–
2552	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2553	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2554	–	final Noop r = new Noop();
2555	–	final CFException ex = new CFException();
2556	–
2557	–	g.completeExceptionally(ex);
2558	–	f.complete(v1);
2559	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2560	–
2561	–	// unspecified behavior
2562	–	Integer v;
2749		try {
2750	<	assertEquals(h.join(), null);
2751	<	assertEquals(1, r.invocationCount);
2750	>	assertNull(h5.join());
2751	>	rs[5].assertInvoked();
2752		} catch (CompletionException ok) {
2753	<	checkCompletedWithWrappedCFException(h, ex);
2754	<	assertEquals(0, r.invocationCount);
2753	>	checkCompletedWithWrappedException(h5, ex);
2754	>	rs[5].assertNotInvoked();
2755		}
2756
2757	<	checkCompletedWithWrappedCFException(g, ex);
2758	<	checkCompletedNormally(f, v1);
2759	<	}
2760	<	}
2757	>	checkCompletedExceptionally(f, ex);
2758	>	checkCompletedNormally(g, v1);
2759	>	checkCompletedWithWrappedException(h0, ex);
2760	>	checkCompletedWithWrappedException(h1, ex);
2761	>	checkCompletedWithWrappedException(h2, ex);
2762	>	checkCompletedWithWrappedException(h3, ex);
2763	>	checkCompletedWithWrappedException(h4, ex);
2764	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2765	>	}}
2766
2767	<	public void testRunAfterEither_exceptionalCompletion4() {
2767	>	public void testRunAfterEither_exceptionalCompletion2() {
2768		for (ExecutionMode m : ExecutionMode.values())
2769	<	for (Integer v1 : new Integer[] { 1, null }) {
2770	<
2769	>	for (boolean fFirst : new boolean[] { true, false })
2770	>	for (Integer v1 : new Integer[] { 1, null })
2771	>	{
2772		final CompletableFuture<Integer> f = new CompletableFuture<>();
2773		final CompletableFuture<Integer> g = new CompletableFuture<>();
2582	–	final Noop r = new Noop();
2774		final CFException ex = new CFException();
2775	+	final Noop[] rs = new Noop[6];
2776	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2777
2778	<	f.completeExceptionally(ex);
2779	<	g.complete(v1);
2780	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2778	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2779	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2780	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2781	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2782	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2783	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2784
2785	<	// unspecified behavior
2590	<	Integer v;
2785	>	// unspecified behavior - both source completions available
2786		try {
2787	<	assertEquals(h.join(), null);
2788	<	assertEquals(1, r.invocationCount);
2787	>	assertEquals(null, h0.join());
2788	>	rs[0].assertInvoked();
2789		} catch (CompletionException ok) {
2790	<	checkCompletedWithWrappedCFException(h, ex);
2791	<	assertEquals(0, r.invocationCount);
2790	>	checkCompletedWithWrappedException(h0, ex);
2791	>	rs[0].assertNotInvoked();
2792		}
2793	<
2794	<	checkCompletedWithWrappedCFException(f, ex);
2795	<	checkCompletedNormally(g, v1);
2793	>	try {
2794	>	assertEquals(null, h1.join());
2795	>	rs[1].assertInvoked();
2796	>	} catch (CompletionException ok) {
2797	>	checkCompletedWithWrappedException(h1, ex);
2798	>	rs[1].assertNotInvoked();
2799		}
2800	<	}
2801	<
2802	<	/**
2803	<	* runAfterEither result completes exceptionally if action does
2804	<	*/
2805	<	public void testRunAfterEither_actionFailed1() {
2806	<	for (ExecutionMode m : ExecutionMode.values())
2807	<	for (Integer v1 : new Integer[] { 1, null })
2808	<	for (Integer v2 : new Integer[] { 2, null }) {
2809	<
2810	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2811	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2812	<	final FailingNoop r = new FailingNoop();
2615	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2616	<
2617	<	f.complete(v1);
2618	<	checkCompletedWithWrappedCFException(h);
2619	<	g.complete(v2);
2620	<	checkCompletedNormally(f, v1);
2621	<	checkCompletedNormally(g, v2);
2800	>	try {
2801	>	assertEquals(null, h2.join());
2802	>	rs[2].assertInvoked();
2803	>	} catch (CompletionException ok) {
2804	>	checkCompletedWithWrappedException(h2, ex);
2805	>	rs[2].assertNotInvoked();
2806	>	}
2807	>	try {
2808	>	assertEquals(null, h3.join());
2809	>	rs[3].assertInvoked();
2810	>	} catch (CompletionException ok) {
2811	>	checkCompletedWithWrappedException(h3, ex);
2812	>	rs[3].assertNotInvoked();
2813		}
2623	–	}
2624	–
2625	–	public void testRunAfterEither_actionFailed2() {
2626	–	for (ExecutionMode m : ExecutionMode.values())
2627	–	for (Integer v1 : new Integer[] { 1, null })
2628	–	for (Integer v2 : new Integer[] { 2, null }) {
2629	–
2630	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2631	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2632	–	final FailingNoop r = new FailingNoop();
2633	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2814
2635	–	g.complete(v2);
2636	–	checkCompletedWithWrappedCFException(h);
2637	–	f.complete(v1);
2815		checkCompletedNormally(f, v1);
2816	<	checkCompletedNormally(g, v2);
2817	<	}
2641	<	}
2816	>	checkCompletedExceptionally(g, ex);
2817	>	}}
2818
2819		/**
2820		* runAfterEither result completes exceptionally if either source cancelled
2821		*/
2822	<	public void testRunAfterEither_sourceCancelled1() {
2647	<	for (ExecutionMode m : ExecutionMode.values())
2648	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2649	<	for (Integer v1 : new Integer[] { 1, null }) {
2650	<
2651	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2652	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2653	<	final Noop r = new Noop();
2654	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2655	<
2656	<	assertTrue(f.cancel(mayInterruptIfRunning));
2657	<	checkCompletedWithWrappedCancellationException(h);
2658	<	g.complete(v1);
2659	<
2660	<	checkCancelled(f);
2661	<	assertEquals(0, r.invocationCount);
2662	<	checkCompletedNormally(g, v1);
2663	<	checkCompletedWithWrappedCancellationException(h);
2664	<	}
2665	<	}
2666	<
2667	<	public void testRunAfterEither_sourceCancelled2() {
2822	>	public void testRunAfterEither_sourceCancelled() {
2823		for (ExecutionMode m : ExecutionMode.values())
2824		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2825	<	for (Integer v1 : new Integer[] { 1, null }) {
2826	<
2825	>	for (Integer v1 : new Integer[] { 1, null })
2826	>	{
2827		final CompletableFuture<Integer> f = new CompletableFuture<>();
2828		final CompletableFuture<Integer> g = new CompletableFuture<>();
2829	<	final Noop r = new Noop();
2830	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2676	<
2677	<	assertTrue(g.cancel(mayInterruptIfRunning));
2678	<	checkCompletedWithWrappedCancellationException(h);
2679	<	f.complete(v1);
2680	<
2681	<	checkCancelled(g);
2682	<	assertEquals(0, r.invocationCount);
2683	<	checkCompletedNormally(f, v1);
2684	<	checkCompletedWithWrappedCancellationException(h);
2685	<	}
2686	<	}
2687	<
2688	<	public void testRunAfterEither_sourceCancelled3() {
2689	<	for (ExecutionMode m : ExecutionMode.values())
2690	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2691	<	for (Integer v1 : new Integer[] { 1, null }) {
2829	>	final Noop[] rs = new Noop[6];
2830	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2831
2832	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2833	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2834	<	final Noop r = new Noop();
2832	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2833	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2834	>	checkIncomplete(h0);
2835	>	checkIncomplete(h1);
2836	>	rs[0].assertNotInvoked();
2837	>	rs[1].assertNotInvoked();
2838	>	f.cancel(mayInterruptIfRunning);
2839	>	checkCompletedWithWrappedCancellationException(h0);
2840	>	checkCompletedWithWrappedCancellationException(h1);
2841	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2842	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2843	>	checkCompletedWithWrappedCancellationException(h2);
2844	>	checkCompletedWithWrappedCancellationException(h3);
2845
2846	<	assertTrue(g.cancel(mayInterruptIfRunning));
2698	<	f.complete(v1);
2699	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2846	>	assertTrue(g.complete(v1));
2847
2848	<	// unspecified behavior
2849	<	Integer v;
2848	>	// unspecified behavior - both source completions available
2849	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2850	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2851		try {
2852	<	assertEquals(h.join(), null);
2853	<	assertEquals(1, r.invocationCount);
2852	>	assertNull(h4.join());
2853	>	rs[4].assertInvoked();
2854		} catch (CompletionException ok) {
2855	<	checkCompletedWithWrappedCancellationException(h);
2856	<	assertEquals(0, r.invocationCount);
2709	<	}
2710	<
2711	<	checkCancelled(g);
2712	<	checkCompletedNormally(f, v1);
2855	>	checkCompletedWithWrappedCancellationException(h4);
2856	>	rs[4].assertNotInvoked();
2857		}
2714	–	}
2715	–
2716	–	public void testRunAfterEither_sourceCancelled4() {
2717	–	for (ExecutionMode m : ExecutionMode.values())
2718	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2719	–	for (Integer v1 : new Integer[] { 1, null }) {
2720	–
2721	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2722	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2723	–	final Noop r = new Noop();
2724	–
2725	–	assertTrue(f.cancel(mayInterruptIfRunning));
2726	–	g.complete(v1);
2727	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2728	–
2729	–	// unspecified behavior
2730	–	Integer v;
2858		try {
2859	<	assertEquals(h.join(), null);
2860	<	assertEquals(1, r.invocationCount);
2859	>	assertNull(h5.join());
2860	>	rs[5].assertInvoked();
2861		} catch (CompletionException ok) {
2862	<	checkCompletedWithWrappedCancellationException(h);
2863	<	assertEquals(0, r.invocationCount);
2862	>	checkCompletedWithWrappedCancellationException(h5);
2863	>	rs[5].assertNotInvoked();
2864		}
2865
2866		checkCancelled(f);
2867		checkCompletedNormally(g, v1);
2868	<	}
2869	<	}
2868	>	checkCompletedWithWrappedCancellationException(h0);
2869	>	checkCompletedWithWrappedCancellationException(h1);
2870	>	checkCompletedWithWrappedCancellationException(h2);
2871	>	checkCompletedWithWrappedCancellationException(h3);
2872	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2873	>	}}
2874
2875		/**
2876	<	* thenCompose result completes normally after normal completion of source
2876	>	* runAfterEither result completes exceptionally if action does
2877		*/
2878	<	public void testThenCompose_normalCompletion1() {
2878	>	public void testRunAfterEither_actionFailed() {
2879		for (ExecutionMode m : ExecutionMode.values())
2880	<	for (Integer v1 : new Integer[] { 1, null }) {
2881	<
2880	>	for (Integer v1 : new Integer[] { 1, null })
2881	>	for (Integer v2 : new Integer[] { 2, null })
2882	>	{
2883		final CompletableFuture<Integer> f = new CompletableFuture<>();
2884	<	final CompletableFutureInc r = new CompletableFutureInc();
2885	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2886	<	f.complete(v1);
2887	<	checkCompletedNormally(g, inc(v1));
2884	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2885	>	final FailingRunnable[] rs = new FailingRunnable[6];
2886	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2887	>
2888	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2889	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2890	>	assertTrue(f.complete(v1));
2891	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2892	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2893	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2894	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2895	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2896	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2897	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2898	>	assertTrue(g.complete(v2));
2899	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2900	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2901	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2902	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2903	>
2904		checkCompletedNormally(f, v1);
2905	<	assertEquals(1, r.invocationCount);
2906	<	}
2907	<	}
2905	>	checkCompletedNormally(g, v2);
2906	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2907	>	}}
2908
2909	<	public void testThenCompose_normalCompletion2() {
2909	>	/**
2910	>	* thenCompose result completes normally after normal completion of source
2911	>	*/
2912	>	public void testThenCompose_normalCompletion() {
2913		for (ExecutionMode m : ExecutionMode.values())
2914	<	for (Integer v1 : new Integer[] { 1, null }) {
2915	<
2914	>	for (boolean createIncomplete : new boolean[] { true, false })
2915	>	for (Integer v1 : new Integer[] { 1, null })
2916	>	{
2917		final CompletableFuture<Integer> f = new CompletableFuture<>();
2918	<	final CompletableFutureInc r = new CompletableFutureInc();
2919	<	f.complete(v1);
2920	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2918	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2919	>	if (!createIncomplete) assertTrue(f.complete(v1));
2920	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2921	>	if (createIncomplete) assertTrue(f.complete(v1));
2922	>
2923		checkCompletedNormally(g, inc(v1));
2924		checkCompletedNormally(f, v1);
2925	<	assertEquals(1, r.invocationCount);
2926	<	}
2773	<	}
2925	>	r.assertValue(v1);
2926	>	}}
2927
2928		/**
2929		* thenCompose result completes exceptionally after exceptional
2930		* completion of source
2931		*/
2932	<	public void testThenCompose_exceptionalCompletion1() {
2933	<	for (ExecutionMode m : ExecutionMode.values()) {
2934	<
2932	>	public void testThenCompose_exceptionalCompletion() {
2933	>	for (ExecutionMode m : ExecutionMode.values())
2934	>	for (boolean createIncomplete : new boolean[] { true, false })
2935	>	{
2936		final CFException ex = new CFException();
2937	<	final CompletableFutureInc r = new CompletableFutureInc();
2937	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2938		final CompletableFuture<Integer> f = new CompletableFuture<>();
2939	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2940	<	f.completeExceptionally(ex);
2941	<	checkCompletedWithWrappedCFException(g, ex);
2788	<	checkCompletedWithWrappedCFException(f, ex);
2789	<	}
2790	<	}
2791	<
2792	<	public void testThenCompose_exceptionalCompletion2() {
2793	<	for (ExecutionMode m : ExecutionMode.values()) {
2939	>	if (!createIncomplete) f.completeExceptionally(ex);
2940	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2941	>	if (createIncomplete) f.completeExceptionally(ex);
2942
2943	<	final CFException ex = new CFException();
2944	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2945	<	f.completeExceptionally(ex);
2946	<	final CompletableFutureInc r = new CompletableFutureInc();
2799	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2800	<	checkCompletedWithWrappedCFException(g, ex);
2801	<	checkCompletedWithWrappedCFException(f, ex);
2802	<	}
2803	<	}
2943	>	checkCompletedWithWrappedException(g, ex);
2944	>	checkCompletedExceptionally(f, ex);
2945	>	r.assertNotInvoked();
2946	>	}}
2947
2948		/**
2949		* thenCompose result completes exceptionally if action does
2950		*/
2951	<	public void testThenCompose_actionFailed1() {
2951	>	public void testThenCompose_actionFailed() {
2952		for (ExecutionMode m : ExecutionMode.values())
2953	<	for (Integer v1 : new Integer[] { 1, null }) {
2954	<
2953	>	for (boolean createIncomplete : new boolean[] { true, false })
2954	>	for (Integer v1 : new Integer[] { 1, null })
2955	>	{
2956		final CompletableFuture<Integer> f = new CompletableFuture<>();
2957		final FailingCompletableFutureFunction r
2958	<	= new FailingCompletableFutureFunction();
2959	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2960	<	f.complete(v1);
2961	<	checkCompletedWithWrappedCFException(g);
2818	<	checkCompletedNormally(f, v1);
2819	<	}
2820	<	}
2821	<
2822	<	public void testThenCompose_actionFailed2() {
2823	<	for (ExecutionMode m : ExecutionMode.values())
2824	<	for (Integer v1 : new Integer[] { 1, null }) {
2958	>	= new FailingCompletableFutureFunction(m);
2959	>	if (!createIncomplete) assertTrue(f.complete(v1));
2960	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2961	>	if (createIncomplete) assertTrue(f.complete(v1));
2962
2963	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2827	<	f.complete(v1);
2828	<	final FailingCompletableFutureFunction r
2829	<	= new FailingCompletableFutureFunction();
2830	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2831	<	checkCompletedWithWrappedCFException(g);
2963	>	checkCompletedWithWrappedException(g, r.ex);
2964		checkCompletedNormally(f, v1);
2965	<	}
2834	<	}
2965	>	}}
2966
2967		/**
2968		* thenCompose result completes exceptionally if source cancelled
2969		*/
2970	<	public void testThenCompose_sourceCancelled1() {
2970	>	public void testThenCompose_sourceCancelled() {
2971		for (ExecutionMode m : ExecutionMode.values())
2972	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
2973	<
2972	>	for (boolean createIncomplete : new boolean[] { true, false })
2973	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2974	>	{
2975		final CompletableFuture<Integer> f = new CompletableFuture<>();
2976	<	final CompletableFutureInc r = new CompletableFutureInc();
2977	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2978	<	assertTrue(f.cancel(mayInterruptIfRunning));
2979	<	checkCompletedWithWrappedCancellationException(g);
2980	<	checkCancelled(f);
2976	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2977	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2978	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2979	>	if (createIncomplete) {
2980	>	checkIncomplete(g);
2981	>	assertTrue(f.cancel(mayInterruptIfRunning));
2982		}
2850	–	}
2851	–
2852	–	public void testThenCompose_sourceCancelled2() {
2853	–	for (ExecutionMode m : ExecutionMode.values())
2854	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
2983
2856	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2857	–	assertTrue(f.cancel(mayInterruptIfRunning));
2858	–	final CompletableFutureInc r = new CompletableFutureInc();
2859	–	final CompletableFuture<Integer> g = f.thenCompose(r);
2984		checkCompletedWithWrappedCancellationException(g);
2985		checkCancelled(f);
2986	<	}
2863	<	}
2864	<
2865	<	// asyncs
2866	<
2867	<	/**
2868	<	* thenRunAsync result completes normally after normal completion of source
2869	<	*/
2870	<	public void testThenRunAsync() {
2871	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2872	<	Noop r = new Noop();
2873	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2874	<	f.complete(null);
2875	<	checkCompletedNormally(g, null);
2876	<
2877	<	// reordered version
2878	<	f = new CompletableFuture<>();
2879	<	f.complete(null);
2880	<	r = new Noop();
2881	<	g = f.thenRunAsync(r);
2882	<	checkCompletedNormally(g, null);
2883	<	}
2884	<
2885	<	/**
2886	<	* thenRunAsync result completes exceptionally after exceptional
2887	<	* completion of source
2888	<	*/
2889	<	public void testThenRunAsync2() {
2890	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2891	<	Noop r = new Noop();
2892	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2893	<	f.completeExceptionally(new CFException());
2894	<	try {
2895	<	g.join();
2896	<	shouldThrow();
2897	<	} catch (CompletionException success) {}
2898	<	checkCompletedWithWrappedCFException(g);
2899	<	}
2900	<
2901	<	/**
2902	<	* thenRunAsync result completes exceptionally if action does
2903	<	*/
2904	<	public void testThenRunAsync3() {
2905	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2906	<	FailingNoop r = new FailingNoop();
2907	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2908	<	f.complete(null);
2909	<	checkCompletedWithWrappedCFException(g);
2910	<	}
2911	<
2912	<	/**
2913	<	* thenRunAsync result completes exceptionally if source cancelled
2914	<	*/
2915	<	public void testThenRunAsync4() {
2916	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2917	<	Noop r = new Noop();
2918	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2919	<	assertTrue(f.cancel(true));
2920	<	checkCompletedWithWrappedCancellationException(g);
2921	<	}
2922	<
2923	<	/**
2924	<	* thenApplyAsync result completes normally after normal completion of source
2925	<	*/
2926	<	public void testThenApplyAsync() {
2927	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2928	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2929	<	f.complete(one);
2930	<	checkCompletedNormally(g, two);
2931	<	}
2932	<
2933	<	/**
2934	<	* thenApplyAsync result completes exceptionally after exceptional
2935	<	* completion of source
2936	<	*/
2937	<	public void testThenApplyAsync2() {
2938	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2939	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2940	<	f.completeExceptionally(new CFException());
2941	<	checkCompletedWithWrappedCFException(g);
2942	<	}
2943	<
2944	<	/**
2945	<	* thenApplyAsync result completes exceptionally if action does
2946	<	*/
2947	<	public void testThenApplyAsync3() {
2948	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2949	<	FailingFunction r = new FailingFunction();
2950	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2951	<	f.complete(null);
2952	<	checkCompletedWithWrappedCFException(g);
2953	<	}
2954	<
2955	<	/**
2956	<	* thenApplyAsync result completes exceptionally if source cancelled
2957	<	*/
2958	<	public void testThenApplyAsync4() {
2959	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2960	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2961	<	assertTrue(f.cancel(true));
2962	<	checkCompletedWithWrappedCancellationException(g);
2963	<	}
2964	<
2965	<	/**
2966	<	* thenAcceptAsync result completes normally after normal
2967	<	* completion of source
2968	<	*/
2969	<	public void testThenAcceptAsync() {
2970	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2971	<	IncAction r = new IncAction();
2972	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2973	<	f.complete(one);
2974	<	checkCompletedNormally(g, null);
2975	<	assertEquals(r.value, (Integer) 2);
2976	<	}
2977	<
2978	<	/**
2979	<	* thenAcceptAsync result completes exceptionally after exceptional
2980	<	* completion of source
2981	<	*/
2982	<	public void testThenAcceptAsync2() {
2983	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2984	<	IncAction r = new IncAction();
2985	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2986	<	f.completeExceptionally(new CFException());
2987	<	checkCompletedWithWrappedCFException(g);
2988	<	}
2989	<
2990	<	/**
2991	<	* thenAcceptAsync result completes exceptionally if action does
2992	<	*/
2993	<	public void testThenAcceptAsync3() {
2994	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2995	<	FailingConsumer r = new FailingConsumer();
2996	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2997	<	f.complete(null);
2998	<	checkCompletedWithWrappedCFException(g);
2999	<	}
3000	<
3001	<	/**
3002	<	* thenAcceptAsync result completes exceptionally if source cancelled
3003	<	*/
3004	<	public void testThenAcceptAsync4() {
3005	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3006	<	IncAction r = new IncAction();
3007	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3008	<	assertTrue(f.cancel(true));
3009	<	checkCompletedWithWrappedCancellationException(g);
3010	<	}
3011	<
3012	<	// async with explicit executors
3013	<
3014	<	/**
3015	<	* thenRunAsync result completes normally after normal completion of source
3016	<	*/
3017	<	public void testThenRunAsyncE() {
3018	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3019	<	Noop r = new Noop();
3020	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3021	<	f.complete(null);
3022	<	checkCompletedNormally(g, null);
3023	<
3024	<	// reordered version
3025	<	f = new CompletableFuture<>();
3026	<	f.complete(null);
3027	<	r = new Noop();
3028	<	g = f.thenRunAsync(r, new ThreadExecutor());
3029	<	checkCompletedNormally(g, null);
3030	<	}
3031	<
3032	<	/**
3033	<	* thenRunAsync result completes exceptionally after exceptional
3034	<	* completion of source
3035	<	*/
3036	<	public void testThenRunAsync2E() {
3037	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3038	<	Noop r = new Noop();
3039	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3040	<	f.completeExceptionally(new CFException());
3041	<	try {
3042	<	g.join();
3043	<	shouldThrow();
3044	<	} catch (CompletionException success) {}
3045	<	checkCompletedWithWrappedCFException(g);
3046	<	}
3047	<
3048	<	/**
3049	<	* thenRunAsync result completes exceptionally if action does
3050	<	*/
3051	<	public void testThenRunAsync3E() {
3052	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3053	<	FailingNoop r = new FailingNoop();
3054	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3055	<	f.complete(null);
3056	<	checkCompletedWithWrappedCFException(g);
3057	<	}
3058	<
3059	<	/**
3060	<	* thenRunAsync result completes exceptionally if source cancelled
3061	<	*/
3062	<	public void testThenRunAsync4E() {
3063	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3064	<	Noop r = new Noop();
3065	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3066	<	assertTrue(f.cancel(true));
3067	<	checkCompletedWithWrappedCancellationException(g);
3068	<	}
3069	<
3070	<	/**
3071	<	* thenApplyAsync result completes normally after normal completion of source
3072	<	*/
3073	<	public void testThenApplyAsyncE() {
3074	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3075	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3076	<	f.complete(one);
3077	<	checkCompletedNormally(g, two);
3078	<	}
3079	<
3080	<	/**
3081	<	* thenApplyAsync result completes exceptionally after exceptional
3082	<	* completion of source
3083	<	*/
3084	<	public void testThenApplyAsync2E() {
3085	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3086	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3087	<	f.completeExceptionally(new CFException());
3088	<	checkCompletedWithWrappedCFException(g);
3089	<	}
2986	>	}}
2987
2988		/**
2989	<	* thenApplyAsync result completes exceptionally if action does
2989	>	* thenCompose result completes exceptionally if the result of the action does
2990		*/
2991	<	public void testThenApplyAsync3E() {
2992	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2993	<	FailingFunction r = new FailingFunction();
2994	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
2995	<	f.complete(null);
2996	<	checkCompletedWithWrappedCFException(g);
2997	<	}
2998	<
2999	<	/**
3000	<	* thenApplyAsync result completes exceptionally if source cancelled
3001	<	*/
3002	<	public void testThenApplyAsync4E() {
3003	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3004	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3005	<	assertTrue(f.cancel(true));
3006	<	checkCompletedWithWrappedCancellationException(g);
3007	<	}
3008	<
3009	<	/**
3010	<	* thenAcceptAsync result completes normally after normal
3011	<	* completion of source
3012	<	*/
3013	<	public void testThenAcceptAsyncE() {
3014	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3015	<	IncAction r = new IncAction();
3016	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3017	<	f.complete(one);
3018	<	checkCompletedNormally(g, null);
3019	<	assertEquals(r.value, (Integer) 2);
3020	<	}
3021	<
3022	<	/**
3023	<	* thenAcceptAsync result completes exceptionally after exceptional
3024	<	* completion of source
3025	<	*/
3026	<	public void testThenAcceptAsync2E() {
3027	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3028	<	IncAction r = new IncAction();
3029	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3030	<	f.completeExceptionally(new CFException());
3031	<	checkCompletedWithWrappedCFException(g);
3032	<	}
3033	<
3137	<	/**
3138	<	* thenAcceptAsync result completes exceptionally if action does
3139	<	*/
3140	<	public void testThenAcceptAsync3E() {
3141	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3142	<	FailingConsumer r = new FailingConsumer();
3143	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3144	<	f.complete(null);
3145	<	checkCompletedWithWrappedCFException(g);
3146	<	}
2991	>	public void testThenCompose_actionReturnsFailingFuture() {
2992	>	for (ExecutionMode m : ExecutionMode.values())
2993	>	for (int order = 0; order < 6; order++)
2994	>	for (Integer v1 : new Integer[] { 1, null })
2995	>	{
2996	>	final CFException ex = new CFException();
2997	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2998	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2999	>	final CompletableFuture<Integer> h;
3000	>	// Test all permutations of orders
3001	>	switch (order) {
3002	>	case 0:
3003	>	assertTrue(f.complete(v1));
3004	>	assertTrue(g.completeExceptionally(ex));
3005	>	h = m.thenCompose(f, (x -> g));
3006	>	break;
3007	>	case 1:
3008	>	assertTrue(f.complete(v1));
3009	>	h = m.thenCompose(f, (x -> g));
3010	>	assertTrue(g.completeExceptionally(ex));
3011	>	break;
3012	>	case 2:
3013	>	assertTrue(g.completeExceptionally(ex));
3014	>	assertTrue(f.complete(v1));
3015	>	h = m.thenCompose(f, (x -> g));
3016	>	break;
3017	>	case 3:
3018	>	assertTrue(g.completeExceptionally(ex));
3019	>	h = m.thenCompose(f, (x -> g));
3020	>	assertTrue(f.complete(v1));
3021	>	break;
3022	>	case 4:
3023	>	h = m.thenCompose(f, (x -> g));
3024	>	assertTrue(f.complete(v1));
3025	>	assertTrue(g.completeExceptionally(ex));
3026	>	break;
3027	>	case 5:
3028	>	h = m.thenCompose(f, (x -> g));
3029	>	assertTrue(f.complete(v1));
3030	>	assertTrue(g.completeExceptionally(ex));
3031	>	break;
3032	>	default: throw new AssertionError();
3033	>	}
3034
3035	<	/**
3036	<	* thenAcceptAsync result completes exceptionally if source cancelled
3037	<	*/
3038	<	public void testThenAcceptAsync4E() {
3152	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3153	<	IncAction r = new IncAction();
3154	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3155	<	assertTrue(f.cancel(true));
3156	<	checkCompletedWithWrappedCancellationException(g);
3157	<	}
3035	>	checkCompletedExceptionally(g, ex);
3036	>	checkCompletedWithWrappedException(h, ex);
3037	>	checkCompletedNormally(f, v1);
3038	>	}}
3039
3040		// other static methods
3041
#	Line 3172 | Line 3053 | public class CompletableFutureTest exten
3053		* when all components complete normally
3054		*/
3055		public void testAllOf_normal() throws Exception {
3056	<	for (int k = 1; k < 20; ++k) {
3057	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3058	<	for (int i = 0; i < k; ++i)
3056	>	for (int k = 1; k < 10; k++) {
3057	>	CompletableFuture<Integer>[] fs
3058	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3059	>	for (int i = 0; i < k; i++)
3060	>	fs[i] = new CompletableFuture<>();
3061	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3062	>	for (int i = 0; i < k; i++) {
3063	>	checkIncomplete(f);
3064	>	checkIncomplete(CompletableFuture.allOf(fs));
3065	>	fs[i].complete(one);
3066	>	}
3067	>	checkCompletedNormally(f, null);
3068	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3069	>	}
3070	>	}
3071	>
3072	>	public void testAllOf_normal_backwards() throws Exception {
3073	>	for (int k = 1; k < 10; k++) {
3074	>	CompletableFuture<Integer>[] fs
3075	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3076	>	for (int i = 0; i < k; i++)
3077		fs[i] = new CompletableFuture<>();
3078		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3079	<	for (int i = 0; i < k; ++i) {
3079	>	for (int i = k - 1; i >= 0; i--) {
3080		checkIncomplete(f);
3081		checkIncomplete(CompletableFuture.allOf(fs));
3082		fs[i].complete(one);
#	Line 3187 | Line 3086 | public class CompletableFutureTest exten
3086		}
3087		}
3088
3089	+	public void testAllOf_exceptional() throws Exception {
3090	+	for (int k = 1; k < 10; k++) {
3091	+	CompletableFuture<Integer>[] fs
3092	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3093	+	CFException ex = new CFException();
3094	+	for (int i = 0; i < k; i++)
3095	+	fs[i] = new CompletableFuture<>();
3096	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3097	+	for (int i = 0; i < k; i++) {
3098	+	checkIncomplete(f);
3099	+	checkIncomplete(CompletableFuture.allOf(fs));
3100	+	if (i != k / 2) {
3101	+	fs[i].complete(i);
3102	+	checkCompletedNormally(fs[i], i);
3103	+	} else {
3104	+	fs[i].completeExceptionally(ex);
3105	+	checkCompletedExceptionally(fs[i], ex);
3106	+	}
3107	+	}
3108	+	checkCompletedWithWrappedException(f, ex);
3109	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3110	+	}
3111	+	}
3112	+
3113		/**
3114		* anyOf(no component futures) returns an incomplete future
3115		*/
3116		public void testAnyOf_empty() throws Exception {
3117	+	for (Integer v1 : new Integer[] { 1, null })
3118	+	{
3119		CompletableFuture<Object> f = CompletableFuture.anyOf();
3120		checkIncomplete(f);
3121	<	}
3121	>
3122	>	f.complete(v1);
3123	>	checkCompletedNormally(f, v1);
3124	>	}}
3125
3126		/**
3127		* anyOf returns a future completed normally with a value when
3128		* a component future does
3129		*/
3130		public void testAnyOf_normal() throws Exception {
3131	<	for (int k = 0; k < 10; ++k) {
3131	>	for (int k = 0; k < 10; k++) {
3132		CompletableFuture[] fs = new CompletableFuture[k];
3133	<	for (int i = 0; i < k; ++i)
3133	>	for (int i = 0; i < k; i++)
3134		fs[i] = new CompletableFuture<>();
3135		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3136		checkIncomplete(f);
3137	<	for (int i = 0; i < k; ++i) {
3138	<	fs[i].complete(one);
3139	<	checkCompletedNormally(f, one);
3140	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3137	>	for (int i = 0; i < k; i++) {
3138	>	fs[i].complete(i);
3139	>	checkCompletedNormally(f, 0);
3140	>	int x = (int) CompletableFuture.anyOf(fs).join();
3141	>	assertTrue(0 <= x && x <= i);
3142	>	}
3143	>	}
3144	>	}
3145	>	public void testAnyOf_normal_backwards() throws Exception {
3146	>	for (int k = 0; k < 10; k++) {
3147	>	CompletableFuture[] fs = new CompletableFuture[k];
3148	>	for (int i = 0; i < k; i++)
3149	>	fs[i] = new CompletableFuture<>();
3150	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3151	>	checkIncomplete(f);
3152	>	for (int i = k - 1; i >= 0; i--) {
3153	>	fs[i].complete(i);
3154	>	checkCompletedNormally(f, k - 1);
3155	>	int x = (int) CompletableFuture.anyOf(fs).join();
3156	>	assertTrue(i <= x && x <= k - 1);
3157		}
3158		}
3159		}
#	Line 3218 | Line 3162 | public class CompletableFutureTest exten
3162		* anyOf result completes exceptionally when any component does.
3163		*/
3164		public void testAnyOf_exceptional() throws Exception {
3165	<	for (int k = 0; k < 10; ++k) {
3165	>	for (int k = 0; k < 10; k++) {
3166		CompletableFuture[] fs = new CompletableFuture[k];
3167	<	for (int i = 0; i < k; ++i)
3167	>	CFException[] exs = new CFException[k];
3168	>	for (int i = 0; i < k; i++) {
3169		fs[i] = new CompletableFuture<>();
3170	+	exs[i] = new CFException();
3171	+	}
3172		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3173		checkIncomplete(f);
3174	<	for (int i = 0; i < k; ++i) {
3175	<	fs[i].completeExceptionally(new CFException());
3176	<	checkCompletedWithWrappedCFException(f);
3174	>	for (int i = 0; i < k; i++) {
3175	>	fs[i].completeExceptionally(exs[i]);
3176	>	checkCompletedWithWrappedException(f, exs[0]);
3177	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3178	>	}
3179	>	}
3180	>	}
3181	>
3182	>	public void testAnyOf_exceptional_backwards() throws Exception {
3183	>	for (int k = 0; k < 10; k++) {
3184	>	CompletableFuture[] fs = new CompletableFuture[k];
3185	>	CFException[] exs = new CFException[k];
3186	>	for (int i = 0; i < k; i++) {
3187	>	fs[i] = new CompletableFuture<>();
3188	>	exs[i] = new CFException();
3189	>	}
3190	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3191	>	checkIncomplete(f);
3192	>	for (int i = k - 1; i >= 0; i--) {
3193	>	fs[i].completeExceptionally(exs[i]);
3194	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3195		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3196		}
3197		}
#	Line 3239 | Line 3204 | public class CompletableFutureTest exten
3204		CompletableFuture<Integer> f = new CompletableFuture<>();
3205		CompletableFuture<Integer> g = new CompletableFuture<>();
3206		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3242	–	CompletableFuture<?> h;
3207		ThreadExecutor exec = new ThreadExecutor();
3208
3209		Runnable[] throwingActions = {
3210		() -> CompletableFuture.supplyAsync(null),
3211		() -> CompletableFuture.supplyAsync(null, exec),
3212	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3212	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3213
3214		() -> CompletableFuture.runAsync(null),
3215		() -> CompletableFuture.runAsync(null, exec),
#	Line 3318 | Line 3282 | public class CompletableFutureTest exten
3282
3283		() -> f.thenCompose(null),
3284		() -> f.thenComposeAsync(null),
3285	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3285	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3286		() -> f.thenComposeAsync(null, exec),
3287
3288		() -> f.exceptionally(null),
#	Line 3336 | Line 3300 | public class CompletableFutureTest exten
3300		() -> CompletableFuture.anyOf(null, f),
3301
3302		() -> f.obtrudeException(null),
3303	+
3304	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3305	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3306	+	() -> CompletableFuture.delayedExecutor(1L, null),
3307	+
3308	+	() -> f.orTimeout(1L, null),
3309	+	() -> f.completeOnTimeout(42, 1L, null),
3310	+
3311	+	() -> CompletableFuture.failedFuture(null),
3312	+	() -> CompletableFuture.failedStage(null),
3313		};
3314
3315		assertThrows(NullPointerException.class, throwingActions);
#	Line 3350 | Line 3324 | public class CompletableFutureTest exten
3324		assertSame(f, f.toCompletableFuture());
3325		}
3326
3327	+	// jdk9
3328	+
3329		/**
3330	<	* whenComplete action executes on normal completion, propagating
3355	<	* source result.
3330	>	* newIncompleteFuture returns an incomplete CompletableFuture
3331		*/
3332	<	public void testWhenComplete_normalCompletion1() {
3333	<	for (boolean createIncomplete : new boolean[] { true, false })
3334	<	for (ExecutionMode m : ExecutionMode.values())
3335	<	for (Integer v1 : new Integer[] { 1, null }) {
3336	<
3337	<	final AtomicInteger a = new AtomicInteger();
3338	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3339	<	if (!createIncomplete) f.complete(v1);
3365	<	final CompletableFuture<Integer> g =
3366	<	m.whenComplete(f,
3367	<	(Integer x, Throwable t) -> {
3368	<	threadAssertSame(x, v1);
3369	<	threadAssertNull(t);
3370	<	a.getAndIncrement();
3371	<	});
3372	<	if (createIncomplete) f.complete(v1);
3332	>	public void testNewIncompleteFuture() {
3333	>	for (Integer v1 : new Integer[] { 1, null })
3334	>	{
3335	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3336	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3337	>	checkIncomplete(f);
3338	>	checkIncomplete(g);
3339	>	f.complete(v1);
3340		checkCompletedNormally(f, v1);
3341	+	checkIncomplete(g);
3342	+	g.complete(v1);
3343		checkCompletedNormally(g, v1);
3344	<	assertEquals(a.get(), 1);
3345	<	}
3344	>	assertSame(g.getClass(), CompletableFuture.class);
3345	>	}}
3346	>
3347	>	/**
3348	>	* completedStage returns a completed CompletionStage
3349	>	*/
3350	>	public void testCompletedStage() {
3351	>	AtomicInteger x = new AtomicInteger(0);
3352	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3353	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3354	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3355	>	assertEquals(x.get(), 1);
3356	>	assertNull(r.get());
3357		}
3358
3359		/**
3360	<	* whenComplete action executes on exceptional completion, propagating
3361	<	* source result.
3360	>	* defaultExecutor by default returns the commonPool if
3361	>	* it supports more than one thread.
3362		*/
3363	<	public void testWhenComplete_exceptionalCompletion() {
3364	<	for (boolean createIncomplete : new boolean[] { true, false })
3365	<	for (ExecutionMode m : ExecutionMode.values())
3366	<	for (Integer v1 : new Integer[] { 1, null }) {
3363	>	public void testDefaultExecutor() {
3364	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3365	>	Executor e = f.defaultExecutor();
3366	>	Executor c = ForkJoinPool.commonPool();
3367	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3368	>	assertSame(e, c);
3369	>	else
3370	>	assertNotSame(e, c);
3371	>	}
3372
3373	<	final AtomicInteger a = new AtomicInteger();
3374	<	final CFException ex = new CFException();
3375	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3376	<	if (!createIncomplete) f.completeExceptionally(ex);
3377	<	final CompletableFuture<Integer> g = m.whenComplete
3378	<	(f,
3379	<	(Integer x, Throwable t) -> {
3380	<	threadAssertNull(x);
3396	<	threadAssertSame(t, ex);
3397	<	a.getAndIncrement();
3398	<	});
3399	<	if (createIncomplete) f.completeExceptionally(ex);
3400	<	checkCompletedWithWrappedCFException(f, ex);
3401	<	checkCompletedWithWrappedCFException(g, ex);
3402	<	assertEquals(a.get(), 1);
3403	<	}
3373	>	/**
3374	>	* failedFuture returns a CompletableFuture completed
3375	>	* exceptionally with the given Exception
3376	>	*/
3377	>	public void testFailedFuture() {
3378	>	CFException ex = new CFException();
3379	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3380	>	checkCompletedExceptionally(f, ex);
3381		}
3382
3383		/**
3384	<	* If a whenComplete action throws an exception when triggered by
3408	<	* a normal completion, it completes exceptionally
3384	>	* failedFuture(null) throws NPE
3385		*/
3386	<	public void testWhenComplete_actionFailed() {
3387	<	for (boolean createIncomplete : new boolean[] { true, false })
3388	<	for (ExecutionMode m : ExecutionMode.values())
3389	<	for (Integer v1 : new Integer[] { 1, null }) {
3386	>	public void testFailedFuture_null() {
3387	>	try {
3388	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3389	>	shouldThrow();
3390	>	} catch (NullPointerException success) {}
3391	>	}
3392
3393	<	final CFException ex = new CFException();
3394	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3395	<	if (!createIncomplete) f.complete(v1);
3396	<	final CompletableFuture<Integer> g = m.whenComplete
3397	<	(f,
3398	<	(Integer x, Throwable t) -> {
3399	<	threadAssertSame(x, v1);
3400	<	threadAssertNull(t);
3401	<	throw ex;
3402	<	});
3403	<	if (createIncomplete) f.complete(v1);
3404	<	checkCompletedNormally(f, v1);
3427	<	checkCompletedWithWrappedCFException(g, ex);
3428	<	}
3393	>	/**
3394	>	* copy returns a CompletableFuture that is completed normally,
3395	>	* with the same value, when source is.
3396	>	*/
3397	>	public void testCopy() {
3398	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3399	>	CompletableFuture<Integer> g = f.copy();
3400	>	checkIncomplete(f);
3401	>	checkIncomplete(g);
3402	>	f.complete(1);
3403	>	checkCompletedNormally(f, 1);
3404	>	checkCompletedNormally(g, 1);
3405		}
3406
3407		/**
3408	<	* If a whenComplete action throws an exception when triggered by
3409	<	* a source completion that also throws an exception, the source
3434	<	* exception takes precedence.
3408	>	* copy returns a CompletableFuture that is completed exceptionally
3409	>	* when source is.
3410		*/
3411	<	public void testWhenComplete_actionFailedSourceFailed() {
3412	<	for (boolean createIncomplete : new boolean[] { true, false })
3413	<	for (ExecutionMode m : ExecutionMode.values())
3414	<	for (Integer v1 : new Integer[] { 1, null }) {
3411	>	public void testCopy2() {
3412	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3413	>	CompletableFuture<Integer> g = f.copy();
3414	>	checkIncomplete(f);
3415	>	checkIncomplete(g);
3416	>	CFException ex = new CFException();
3417	>	f.completeExceptionally(ex);
3418	>	checkCompletedExceptionally(f, ex);
3419	>	checkCompletedWithWrappedException(g, ex);
3420	>	}
3421
3422	<	final CFException ex1 = new CFException();
3423	<	final CFException ex2 = new CFException();
3424	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3422	>	/**
3423	>	* minimalCompletionStage returns a CompletableFuture that is
3424	>	* completed normally, with the same value, when source is.
3425	>	*/
3426	>	public void testMinimalCompletionStage() {
3427	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3428	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3429	>	AtomicInteger x = new AtomicInteger(0);
3430	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3431	>	checkIncomplete(f);
3432	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3433	>	f.complete(1);
3434	>	checkCompletedNormally(f, 1);
3435	>	assertEquals(x.get(), 1);
3436	>	assertNull(r.get());
3437	>	}
3438
3439	<	if (!createIncomplete) f.completeExceptionally(ex1);
3440	<	final CompletableFuture<Integer> g = m.whenComplete
3441	<	(f,
3442	<	(Integer x, Throwable t) -> {
3443	<	threadAssertSame(t, ex1);
3444	<	threadAssertNull(x);
3445	<	throw ex2;
3446	<	});
3447	<	if (createIncomplete) f.completeExceptionally(ex1);
3439	>	/**
3440	>	* minimalCompletionStage returns a CompletableFuture that is
3441	>	* completed exceptionally when source is.
3442	>	*/
3443	>	public void testMinimalCompletionStage2() {
3444	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3445	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3446	>	AtomicInteger x = new AtomicInteger(0);
3447	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3448	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3449	>	checkIncomplete(f);
3450	>	CFException ex = new CFException();
3451	>	f.completeExceptionally(ex);
3452	>	checkCompletedExceptionally(f, ex);
3453	>	assertEquals(x.get(), 0);
3454	>	assertEquals(r.get().getCause(), ex);
3455	>	}
3456
3457	<	checkCompletedWithWrappedCFException(f, ex1);
3458	<	checkCompletedWithWrappedCFException(g, ex1);
3459	<	}
3457	>	/**
3458	>	* failedStage returns a CompletionStage completed
3459	>	* exceptionally with the given Exception
3460	>	*/
3461	>	public void testFailedStage() {
3462	>	CFException ex = new CFException();
3463	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3464	>	AtomicInteger x = new AtomicInteger(0);
3465	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3466	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3467	>	assertEquals(x.get(), 0);
3468	>	assertEquals(r.get(), ex);
3469		}
3470
3471		/**
3472	<	* handleAsync action completes normally with function value on
3462	<	* either normal or exceptional completion of source
3472	>	* completeAsync completes with value of given supplier
3473		*/
3474	<	public void testHandleAsync() {
3475	<	CompletableFuture<Integer> f, g;
3476	<	IntegerHandler r;
3474	>	public void testCompleteAsync() {
3475	>	for (Integer v1 : new Integer[] { 1, null })
3476	>	{
3477	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3478	>	f.completeAsync(() -> v1);
3479	>	f.join();
3480	>	checkCompletedNormally(f, v1);
3481	>	}}
3482
3483	<	f = new CompletableFuture<>();
3484	<	g = f.handleAsync(r = new IntegerHandler());
3485	<	assertEquals(0, r.invocationCount);
3486	<	f.completeExceptionally(new CFException());
3487	<	checkCompletedWithWrappedCFException(f);
3488	<	checkCompletedNormally(g, three);
3489	<	assertEquals(1, r.invocationCount);
3483	>	/**
3484	>	* completeAsync completes exceptionally if given supplier throws
3485	>	*/
3486	>	public void testCompleteAsync2() {
3487	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3488	>	CFException ex = new CFException();
3489	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3490	>	try {
3491	>	f.join();
3492	>	shouldThrow();
3493	>	} catch (CompletionException success) {}
3494	>	checkCompletedWithWrappedException(f, ex);
3495	>	}
3496
3497	<	f = new CompletableFuture<>();
3498	<	g = f.handleAsync(r = new IntegerHandler());
3499	<	assertEquals(0, r.invocationCount);
3500	<	f.completeExceptionally(new CFException());
3501	<	checkCompletedWithWrappedCFException(f);
3502	<	checkCompletedNormally(g, three);
3503	<	assertEquals(1, r.invocationCount);
3497	>	/**
3498	>	* completeAsync with given executor completes with value of given supplier
3499	>	*/
3500	>	public void testCompleteAsync3() {
3501	>	for (Integer v1 : new Integer[] { 1, null })
3502	>	{
3503	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3504	>	ThreadExecutor executor = new ThreadExecutor();
3505	>	f.completeAsync(() -> v1, executor);
3506	>	assertSame(v1, f.join());
3507	>	checkCompletedNormally(f, v1);
3508	>	assertEquals(1, executor.count.get());
3509	>	}}
3510
3511	<	f = new CompletableFuture<>();
3512	<	g = f.handleAsync(r = new IntegerHandler());
3513	<	assertEquals(0, r.invocationCount);
3514	<	f.complete(one);
3515	<	checkCompletedNormally(f, one);
3516	<	checkCompletedNormally(g, two);
3517	<	assertEquals(1, r.invocationCount);
3511	>	/**
3512	>	* completeAsync with given executor completes exceptionally if
3513	>	* given supplier throws
3514	>	*/
3515	>	public void testCompleteAsync4() {
3516	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3517	>	CFException ex = new CFException();
3518	>	ThreadExecutor executor = new ThreadExecutor();
3519	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3520	>	try {
3521	>	f.join();
3522	>	shouldThrow();
3523	>	} catch (CompletionException success) {}
3524	>	checkCompletedWithWrappedException(f, ex);
3525	>	assertEquals(1, executor.count.get());
3526	>	}
3527
3528	<	f = new CompletableFuture<>();
3529	<	g = f.handleAsync(r = new IntegerHandler());
3530	<	assertEquals(0, r.invocationCount);
3531	<	f.complete(one);
3532	<	checkCompletedNormally(f, one);
3533	<	checkCompletedNormally(g, two);
3534	<	assertEquals(1, r.invocationCount);
3528	>	/**
3529	>	* orTimeout completes with TimeoutException if not complete
3530	>	*/
3531	>	public void testOrTimeout_timesOut() {
3532	>	long timeoutMillis = timeoutMillis();
3533	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3534	>	long startTime = System.nanoTime();
3535	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3536	>	checkCompletedWithTimeoutException(f);
3537	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3538		}
3539
3540		/**
3541	<	* handleAsync action with Executor completes normally with
3503	<	* function value on either normal or exceptional completion of
3504	<	* source
3541	>	* orTimeout completes normally if completed before timeout
3542		*/
3543	<	public void testHandleAsync2() {
3544	<	CompletableFuture<Integer> f, g;
3545	<	ThreadExecutor exec = new ThreadExecutor();
3546	<	IntegerHandler r;
3543	>	public void testOrTimeout_completed() {
3544	>	for (Integer v1 : new Integer[] { 1, null })
3545	>	{
3546	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3547	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3548	>	long startTime = System.nanoTime();
3549	>	f.complete(v1);
3550	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3551	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3552	>	g.complete(v1);
3553	>	checkCompletedNormally(f, v1);
3554	>	checkCompletedNormally(g, v1);
3555	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3556	>	}}
3557
3558	<	f = new CompletableFuture<>();
3559	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3560	<	assertEquals(0, r.invocationCount);
3561	<	f.completeExceptionally(new CFException());
3562	<	checkCompletedWithWrappedCFException(f);
3563	<	checkCompletedNormally(g, three);
3564	<	assertEquals(1, r.invocationCount);
3558	>	/**
3559	>	* completeOnTimeout completes with given value if not complete
3560	>	*/
3561	>	public void testCompleteOnTimeout_timesOut() {
3562	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3563	>	() -> testCompleteOnTimeout_timesOut(null));
3564	>	}
3565
3566	<	f = new CompletableFuture<>();
3567	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3568	<	assertEquals(0, r.invocationCount);
3569	<	f.completeExceptionally(new CFException());
3570	<	checkCompletedWithWrappedCFException(f);
3571	<	checkCompletedNormally(g, three);
3572	<	assertEquals(1, r.invocationCount);
3566	>	/**
3567	>	* completeOnTimeout completes with given value if not complete
3568	>	*/
3569	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3570	>	long timeoutMillis = timeoutMillis();
3571	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3572	>	long startTime = System.nanoTime();
3573	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3574	>	assertSame(v, f.join());
3575	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3576	>	f.complete(99);         // should have no effect
3577	>	checkCompletedNormally(f, v);
3578	>	}
3579
3580	<	f = new CompletableFuture<>();
3581	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3582	<	assertEquals(0, r.invocationCount);
3583	<	f.complete(one);
3584	<	checkCompletedNormally(f, one);
3585	<	checkCompletedNormally(g, two);
3586	<	assertEquals(1, r.invocationCount);
3580	>	/**
3581	>	* completeOnTimeout has no effect if completed within timeout
3582	>	*/
3583	>	public void testCompleteOnTimeout_completed() {
3584	>	for (Integer v1 : new Integer[] { 1, null })
3585	>	{
3586	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3587	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3588	>	long startTime = System.nanoTime();
3589	>	f.complete(v1);
3590	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3591	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3592	>	g.complete(v1);
3593	>	checkCompletedNormally(f, v1);
3594	>	checkCompletedNormally(g, v1);
3595	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3596	>	}}
3597
3598	<	f = new CompletableFuture<>();
3599	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3600	<	assertEquals(0, r.invocationCount);
3601	<	f.complete(one);
3602	<	checkCompletedNormally(f, one);
3603	<	checkCompletedNormally(g, two);
3604	<	assertEquals(1, r.invocationCount);
3598	>	/**
3599	>	* delayedExecutor returns an executor that delays submission
3600	>	*/
3601	>	public void testDelayedExecutor() {
3602	>	testInParallel(() -> testDelayedExecutor(null, null),
3603	>	() -> testDelayedExecutor(null, 1),
3604	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3605	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3606		}
3607
3608	+	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3609	+	long timeoutMillis = timeoutMillis();
3610	+	// Use an "unreasonably long" long timeout to catch lingering threads
3611	+	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3612	+	final Executor delayer, longDelayer;
3613	+	if (executor == null) {
3614	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3615	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3616	+	} else {
3617	+	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3618	+	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3619	+	}
3620	+	long startTime = System.nanoTime();
3621	+	CompletableFuture<Integer> f =
3622	+	CompletableFuture.supplyAsync(() -> v, delayer);
3623	+	CompletableFuture<Integer> g =
3624	+	CompletableFuture.supplyAsync(() -> v, longDelayer);
3625	+
3626	+	assertNull(g.getNow(null));
3627	+
3628	+	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3629	+	long millisElapsed = millisElapsedSince(startTime);
3630	+	assertTrue(millisElapsed >= timeoutMillis);
3631	+	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3632	+
3633	+	checkCompletedNormally(f, v);
3634	+
3635	+	checkIncomplete(g);
3636	+	assertTrue(g.cancel(true));
3637	+	}
3638	+
3639	+	//--- tests of implementation details; not part of official tck ---
3640	+
3641	+	Object resultOf(CompletableFuture<?> f) {
3642	+	SecurityManager sm = System.getSecurityManager();
3643	+	if (sm != null) {
3644	+	try {
3645	+	System.setSecurityManager(null);
3646	+	} catch (SecurityException giveUp) {
3647	+	return "Reflection not available";
3648	+	}
3649	+	}
3650	+
3651	+	try {
3652	+	java.lang.reflect.Field resultField
3653	+	= CompletableFuture.class.getDeclaredField("result");
3654	+	resultField.setAccessible(true);
3655	+	return resultField.get(f);
3656	+	} catch (Throwable t) {
3657	+	throw new AssertionError(t);
3658	+	} finally {
3659	+	if (sm != null) System.setSecurityManager(sm);
3660	+	}
3661	+	}
3662	+
3663	+	public void testExceptionPropagationReusesResultObject() {
3664	+	if (!testImplementationDetails) return;
3665	+	for (ExecutionMode m : ExecutionMode.values())
3666	+	{
3667	+	final CFException ex = new CFException();
3668	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3669	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3670	+
3671	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3672	+	= new ArrayList<>();
3673	+
3674	+	funs.add((y) -> m.thenRun(y, new Noop(m)));
3675	+	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3676	+	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3677	+
3678	+	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3679	+	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3680	+	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3681	+
3682	+	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3683	+	funs.add((y) -> m.runAfterBoth(v42, y, new Noop(m)));
3684	+	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3685	+	funs.add((y) -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3686	+	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3687	+	funs.add((y) -> m.thenCombine(v42, y, new SubtractFunction(m)));
3688	+
3689	+	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3690	+
3691	+	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3692	+
3693	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y}));
3694	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3695	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {v42, y}));
3696	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y}));
3697	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3698	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {incomplete, y}));
3699	+
3700	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3701	+	fun : funs) {
3702	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3703	+	f.completeExceptionally(ex);
3704	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3705	+	checkCompletedWithWrappedException(src, ex);
3706	+	CompletableFuture<?> dep = fun.apply(src);
3707	+	checkCompletedWithWrappedException(dep, ex);
3708	+	assertSame(resultOf(src), resultOf(dep));
3709	+	}
3710	+
3711	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3712	+	fun : funs) {
3713	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3714	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3715	+	CompletableFuture<?> dep = fun.apply(src);
3716	+	f.completeExceptionally(ex);
3717	+	checkCompletedWithWrappedException(src, ex);
3718	+	checkCompletedWithWrappedException(dep, ex);
3719	+	assertSame(resultOf(src), resultOf(dep));
3720	+	}
3721	+
3722	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3723	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3724	+	fun : funs) {
3725	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3726	+	f.cancel(mayInterruptIfRunning);
3727	+	checkCancelled(f);
3728	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3729	+	checkCompletedWithWrappedCancellationException(src);
3730	+	CompletableFuture<?> dep = fun.apply(src);
3731	+	checkCompletedWithWrappedCancellationException(dep);
3732	+	assertSame(resultOf(src), resultOf(dep));
3733	+	}
3734	+
3735	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3736	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3737	+	fun : funs) {
3738	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3739	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3740	+	CompletableFuture<?> dep = fun.apply(src);
3741	+	f.cancel(mayInterruptIfRunning);
3742	+	checkCancelled(f);
3743	+	checkCompletedWithWrappedCancellationException(src);
3744	+	checkCompletedWithWrappedCancellationException(dep);
3745	+	assertSame(resultOf(src), resultOf(dep));
3746	+	}
3747	+	}}
3748	+
3749	+	/**
3750	+	* Minimal completion stages throw UOE for all non-CompletionStage methods
3751	+	*/
3752	+	public void testMinimalCompletionStage_minimality() {
3753	+	if (!testImplementationDetails) return;
3754	+	Function<Method, String> toSignature =
3755	+	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3756	+	Predicate<Method> isNotStatic =
3757	+	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3758	+	List<Method> minimalMethods =
3759	+	Stream.of(Object.class, CompletionStage.class)
3760	+	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3761	+	.filter(isNotStatic)
3762	+	.collect(Collectors.toList());
3763	+	// Methods from CompletableFuture permitted NOT to throw UOE
3764	+	String[] signatureWhitelist = {
3765	+	"newIncompleteFuture[]",
3766	+	"defaultExecutor[]",
3767	+	"minimalCompletionStage[]",
3768	+	"copy[]",
3769	+	};
3770	+	Set<String> permittedMethodSignatures =
3771	+	Stream.concat(minimalMethods.stream().map(toSignature),
3772	+	Stream.of(signatureWhitelist))
3773	+	.collect(Collectors.toSet());
3774	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3775	+	.filter(isNotStatic)
3776	+	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3777	+	.collect(Collectors.toList());
3778	+
3779	+	CompletionStage<Integer> minimalStage =
3780	+	new CompletableFuture<Integer>().minimalCompletionStage();
3781	+
3782	+	List<Method> bugs = new ArrayList<>();
3783	+	for (Method method : allMethods) {
3784	+	Class<?>[] parameterTypes = method.getParameterTypes();
3785	+	Object[] args = new Object[parameterTypes.length];
3786	+	// Manufacture boxed primitives for primitive params
3787	+	for (int i = 0; i < args.length; i++) {
3788	+	Class<?> type = parameterTypes[i];
3789	+	if (parameterTypes[i] == boolean.class)
3790	+	args[i] = false;
3791	+	else if (parameterTypes[i] == int.class)
3792	+	args[i] = 0;
3793	+	else if (parameterTypes[i] == long.class)
3794	+	args[i] = 0L;
3795	+	}
3796	+	try {
3797	+	method.invoke(minimalStage, args);
3798	+	bugs.add(method);
3799	+	}
3800	+	catch (java.lang.reflect.InvocationTargetException expected) {
3801	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3802	+	bugs.add(method);
3803	+	// expected.getCause().printStackTrace();
3804	+	}
3805	+	}
3806	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3807	+	}
3808	+	if (!bugs.isEmpty())
3809	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3810	+	}
3811	+
3812	+	static class Monad {
3813	+	static class ZeroException extends RuntimeException {
3814	+	public ZeroException() { super("monadic zero"); }
3815	+	}
3816	+	// "return", "unit"
3817	+	static <T> CompletableFuture<T> unit(T value) {
3818	+	return completedFuture(value);
3819	+	}
3820	+	// monadic zero ?
3821	+	static <T> CompletableFuture<T> zero() {
3822	+	return failedFuture(new ZeroException());
3823	+	}
3824	+	// >=>
3825	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3826	+	(Function<T, CompletableFuture<U>> f,
3827	+	Function<U, CompletableFuture<V>> g) {
3828	+	return (x) -> f.apply(x).thenCompose(g);
3829	+	}
3830	+
3831	+	static void assertZero(CompletableFuture<?> f) {
3832	+	try {
3833	+	f.getNow(null);
3834	+	throw new AssertionFailedError("should throw");
3835	+	} catch (CompletionException success) {
3836	+	assertTrue(success.getCause() instanceof ZeroException);
3837	+	}
3838	+	}
3839	+
3840	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3841	+	CompletableFuture<T> g) {
3842	+	T fval = null, gval = null;
3843	+	Throwable fex = null, gex = null;
3844	+
3845	+	try { fval = f.get(); }
3846	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3847	+	catch (Throwable ex) { fex = ex; }
3848	+
3849	+	try { gval = g.get(); }
3850	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3851	+	catch (Throwable ex) { gex = ex; }
3852	+
3853	+	if (fex != null || gex != null)
3854	+	assertSame(fex.getClass(), gex.getClass());
3855	+	else
3856	+	assertEquals(fval, gval);
3857	+	}
3858	+
3859	+	static class PlusFuture<T> extends CompletableFuture<T> {
3860	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3861	+	}
3862	+
3863	+	/** Implements "monadic plus". */
3864	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3865	+	CompletableFuture<? extends T> g) {
3866	+	PlusFuture<T> plus = new PlusFuture<T>();
3867	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3868	+	try {
3869	+	if (ex == null) {
3870	+	if (plus.complete(result))
3871	+	if (plus.firstFailure.get() != null)
3872	+	plus.firstFailure.set(null);
3873	+	}
3874	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
3875	+	if (plus.isDone())
3876	+	plus.firstFailure.set(null);
3877	+	}
3878	+	else {
3879	+	// first failure has precedence
3880	+	Throwable first = plus.firstFailure.getAndSet(null);
3881	+
3882	+	// may fail with "Self-suppression not permitted"
3883	+	try { first.addSuppressed(ex); }
3884	+	catch (Exception ignored) {}
3885	+
3886	+	plus.completeExceptionally(first);
3887	+	}
3888	+	} catch (Throwable unexpected) {
3889	+	plus.completeExceptionally(unexpected);
3890	+	}
3891	+	};
3892	+	f.whenComplete(action);
3893	+	g.whenComplete(action);
3894	+	return plus;
3895	+	}
3896	+	}
3897	+
3898	+	/**
3899	+	* CompletableFuture is an additive monad - sort of.
3900	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3901	+	*/
3902	+	public void testAdditiveMonad() throws Throwable {
3903	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3904	+	CompletableFuture<Long> zero = Monad.zero();
3905	+
3906	+	// Some mutually non-commutative functions
3907	+	Function<Long, CompletableFuture<Long>> triple
3908	+	= (x) -> Monad.unit(3 * x);
3909	+	Function<Long, CompletableFuture<Long>> inc
3910	+	= (x) -> Monad.unit(x + 1);
3911	+
3912	+	// unit is a right identity: m >>= unit === m
3913	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3914	+	inc.apply(5L));
3915	+	// unit is a left identity: (unit x) >>= f === f x
3916	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3917	+	inc.apply(5L));
3918	+
3919	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3920	+	Monad.assertFutureEquals(
3921	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3922	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3923	+
3924	+	// The case for CompletableFuture as an additive monad is weaker...
3925	+
3926	+	// zero is a monadic zero
3927	+	Monad.assertZero(zero);
3928	+
3929	+	// left zero: zero >>= f === zero
3930	+	Monad.assertZero(zero.thenCompose(inc));
3931	+	// right zero: f >>= (\x -> zero) === zero
3932	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3933	+
3934	+	// f plus zero === f
3935	+	Monad.assertFutureEquals(Monad.unit(5L),
3936	+	Monad.plus(Monad.unit(5L), zero));
3937	+	// zero plus f === f
3938	+	Monad.assertFutureEquals(Monad.unit(5L),
3939	+	Monad.plus(zero, Monad.unit(5L)));
3940	+	// zero plus zero === zero
3941	+	Monad.assertZero(Monad.plus(zero, zero));
3942	+	{
3943	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3944	+	Monad.unit(8L));
3945	+	// non-determinism
3946	+	assertTrue(f.get() == 5L || f.get() == 8L);
3947	+	}
3948	+
3949	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3950	+	// f plus godot === f (doesn't wait for godot)
3951	+	Monad.assertFutureEquals(Monad.unit(5L),
3952	+	Monad.plus(Monad.unit(5L), godot));
3953	+	// godot plus f === f (doesn't wait for godot)
3954	+	Monad.assertFutureEquals(Monad.unit(5L),
3955	+	Monad.plus(godot, Monad.unit(5L)));
3956	+	}
3957	+
3958	+	/**
3959	+	* A single CompletableFuture with many dependents.
3960	+	* A demo of scalability - runtime is O(n).
3961	+	*/
3962	+	public void testManyDependents() throws Throwable {
3963	+	final int n = 1_000;
3964	+	final CompletableFuture<Void> head = new CompletableFuture<>();
3965	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
3966	+	final AtomicInteger count = new AtomicInteger(0);
3967	+	for (int i = 0; i < n; i++) {
3968	+	head.thenRun(() -> count.getAndIncrement());
3969	+	head.thenAccept((x) -> count.getAndIncrement());
3970	+	head.thenApply((x) -> count.getAndIncrement());
3971	+
3972	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
3973	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
3974	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
3975	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
3976	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
3977	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
3978	+
3979	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
3980	+	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3981	+	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3982	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
3983	+	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
3984	+	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
3985	+	}
3986	+	head.complete(null);
3987	+	assertEquals(5 * 3 * n, count.get());
3988	+	}
3989	+
3990	+	//     static <U> U join(CompletionStage<U> stage) {
3991	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3992	+	//         stage.whenComplete((v, ex) -> {
3993	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3994	+	//         });
3995	+	//         return f.join();
3996	+	//     }
3997	+
3998	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3999	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4000	+	//         stage.whenComplete((v, ex) -> {
4001	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4002	+	//         });
4003	+	//         return f.isDone();
4004	+	//     }
4005	+
4006	+	//     static <U> U join2(CompletionStage<U> stage) {
4007	+	//         return stage.toCompletableFuture().copy().join();
4008	+	//     }
4009	+
4010	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4011	+	//         return stage.toCompletableFuture().copy().isDone();
4012	+	//     }
4013	+
4014		}

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