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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.47 by jsr166, Mon Jun 2 18:21:34 2014 UTC vs.
Revision 1.154 by jsr166, Sun Jun 26 19:27:42 2016 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33	+	import java.util.concurrent.RejectedExecutionException;
34		import java.util.concurrent.TimeoutException;
35	+	import java.util.concurrent.TimeUnit;
36		import java.util.concurrent.atomic.AtomicInteger;
37	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
23	<	import static java.util.concurrent.TimeUnit.SECONDS;
24	<	import java.util.*;
25	<	import java.util.function.Supplier;
26	<	import java.util.function.Consumer;
37	>	import java.util.concurrent.atomic.AtomicReference;
38		import java.util.function.BiConsumer;
28	–	import java.util.function.Function;
39		import java.util.function.BiFunction;
40	+	import java.util.function.Consumer;
41	+	import java.util.function.Function;
42	+	import java.util.function.Predicate;
43	+	import java.util.function.Supplier;
44	+
45	+	import junit.framework.AssertionFailedError;
46	+	import junit.framework.Test;
47	+	import junit.framework.TestSuite;
48
49		public class CompletableFutureTest extends JSR166TestCase {
50
51		public static void main(String[] args) {
52	<	junit.textui.TestRunner.run(suite());
52	>	main(suite(), args);
53		}
54		public static Test suite() {
55		return new TestSuite(CompletableFutureTest.class);
#	Line 42 | Line 60 | public class CompletableFutureTest exten
60		void checkIncomplete(CompletableFuture<?> f) {
61		assertFalse(f.isDone());
62		assertFalse(f.isCancelled());
63	<	assertTrue(f.toString().contains("[Not completed]"));
63	>	assertTrue(f.toString().contains("Not completed"));
64		try {
65		assertNull(f.getNow(null));
66		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 55 | Line 73 | public class CompletableFutureTest exten
73		}
74
75		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
76	<	try {
77	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
60	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
76	>	checkTimedGet(f, value);
77	>
78		try {
79		assertEquals(value, f.join());
80		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 73 | Line 90 | public class CompletableFutureTest exten
90		assertTrue(f.toString().contains("[Completed normally]"));
91		}
92
93	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
94	<	try {
95	<	f.get(LONG_DELAY_MS, MILLISECONDS);
96	<	shouldThrow();
97	<	} catch (ExecutionException success) {
98	<	assertTrue(success.getCause() instanceof CFException);
99	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
100	<	try {
101	<	f.join();
102	<	shouldThrow();
103	<	} catch (CompletionException success) {
104	<	assertTrue(success.getCause() instanceof CFException);
105	<	}
106	<	try {
107	<	f.getNow(null);
108	<	shouldThrow();
109	<	} catch (CompletionException success) {
93	<	assertTrue(success.getCause() instanceof CFException);
93	>	/**
94	>	* Returns the "raw" internal exceptional completion of f,
95	>	* without any additional wrapping with CompletionException.
96	>	*/
97	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
98	>	// handle (and whenComplete) can distinguish between "direct"
99	>	// and "wrapped" exceptional completion
100	>	return f.handle((U u, Throwable t) -> t).join();
101	>	}
102	>
103	>	void checkCompletedExceptionally(CompletableFuture<?> f,
104	>	boolean wrapped,
105	>	Consumer<Throwable> checker) {
106	>	Throwable cause = exceptionalCompletion(f);
107	>	if (wrapped) {
108	>	assertTrue(cause instanceof CompletionException);
109	>	cause = cause.getCause();
110		}
111	<	try {
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	<	}
111	>	checker.accept(cause);
112
113	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
107	<	CFException ex) {
113	>	long startTime = System.nanoTime();
114		try {
115		f.get(LONG_DELAY_MS, MILLISECONDS);
116		shouldThrow();
117		} catch (ExecutionException success) {
118	<	assertSame(ex, success.getCause());
118	>	assertSame(cause, success.getCause());
119		} catch (Throwable fail) { threadUnexpectedException(fail); }
120	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
121	+
122		try {
123		f.join();
124		shouldThrow();
125		} catch (CompletionException success) {
126	<	assertSame(ex, success.getCause());
127	<	}
126	>	assertSame(cause, success.getCause());
127	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
128	>
129		try {
130		f.getNow(null);
131		shouldThrow();
132		} catch (CompletionException success) {
133	<	assertSame(ex, success.getCause());
134	<	}
133	>	assertSame(cause, success.getCause());
134	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
135	>
136		try {
137		f.get();
138		shouldThrow();
139		} catch (ExecutionException success) {
140	<	assertSame(ex, success.getCause());
140	>	assertSame(cause, success.getCause());
141		} catch (Throwable fail) { threadUnexpectedException(fail); }
142	<	assertTrue(f.isDone());
142	>
143		assertFalse(f.isCancelled());
144	+	assertTrue(f.isDone());
145	+	assertTrue(f.isCompletedExceptionally());
146		assertTrue(f.toString().contains("[Completed exceptionally]"));
147		}
148
149	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
150	+	checkCompletedExceptionally(f, true,
151	+	(t) -> assertTrue(t instanceof CFException));
152	+	}
153	+
154	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
155	+	checkCompletedExceptionally(f, true,
156	+	(t) -> assertTrue(t instanceof CancellationException));
157	+	}
158	+
159	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
160	+	checkCompletedExceptionally(f, false,
161	+	(t) -> assertTrue(t instanceof TimeoutException));
162	+	}
163	+
164	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
165	+	Throwable ex) {
166	+	checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex));
167	+	}
168	+
169	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
170	+	checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex));
171	+	}
172	+
173		void checkCancelled(CompletableFuture<?> f) {
174	+	long startTime = System.nanoTime();
175		try {
176		f.get(LONG_DELAY_MS, MILLISECONDS);
177		shouldThrow();
178		} catch (CancellationException success) {
179		} catch (Throwable fail) { threadUnexpectedException(fail); }
180	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
181	+
182		try {
183		f.join();
184		shouldThrow();
#	Line 153 | Line 192 | public class CompletableFutureTest exten
192		shouldThrow();
193		} catch (CancellationException success) {
194		} 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	–	}
195
196	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
197	<	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); }
196	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
197	>
198		assertTrue(f.isDone());
188	–	assertFalse(f.isCancelled());
199		assertTrue(f.isCompletedExceptionally());
200	+	assertTrue(f.isCancelled());
201		assertTrue(f.toString().contains("[Completed exceptionally]"));
202		}
203
#	Line 204 | Line 215 | public class CompletableFutureTest exten
215		* isCancelled, join, get, and getNow
216		*/
217		public void testComplete() {
218	+	for (Integer v1 : new Integer[] { 1, null })
219	+	{
220		CompletableFuture<Integer> f = new CompletableFuture<>();
221		checkIncomplete(f);
222	<	f.complete(one);
223	<	checkCompletedNormally(f, one);
224	<	}
222	>	assertTrue(f.complete(v1));
223	>	assertFalse(f.complete(v1));
224	>	checkCompletedNormally(f, v1);
225	>	}}
226
227		/**
228		* completeExceptionally completes exceptionally, as indicated by
#	Line 216 | Line 230 | public class CompletableFutureTest exten
230		*/
231		public void testCompleteExceptionally() {
232		CompletableFuture<Integer> f = new CompletableFuture<>();
233	+	CFException ex = new CFException();
234		checkIncomplete(f);
235	<	f.completeExceptionally(new CFException());
236	<	checkCompletedWithWrappedCFException(f);
235	>	f.completeExceptionally(ex);
236	>	checkCompletedExceptionally(f, ex);
237		}
238
239		/**
#	Line 226 | Line 241 | public class CompletableFutureTest exten
241		* methods isDone, isCancelled, join, get, and getNow
242		*/
243		public void testCancel() {
244	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
245	+	{
246		CompletableFuture<Integer> f = new CompletableFuture<>();
247		checkIncomplete(f);
248	<	assertTrue(f.cancel(true));
248	>	assertTrue(f.cancel(mayInterruptIfRunning));
249	>	assertTrue(f.cancel(mayInterruptIfRunning));
250	>	assertTrue(f.cancel(!mayInterruptIfRunning));
251		checkCancelled(f);
252	<	}
252	>	}}
253
254		/**
255		* obtrudeValue forces completion with given value
#	Line 238 | Line 257 | public class CompletableFutureTest exten
257		public void testObtrudeValue() {
258		CompletableFuture<Integer> f = new CompletableFuture<>();
259		checkIncomplete(f);
260	<	f.complete(one);
260	>	assertTrue(f.complete(one));
261		checkCompletedNormally(f, one);
262		f.obtrudeValue(three);
263		checkCompletedNormally(f, three);
#	Line 259 | Line 278 | public class CompletableFutureTest exten
278		* obtrudeException forces completion with given exception
279		*/
280		public void testObtrudeException() {
281	<	CompletableFuture<Integer> f = new CompletableFuture<>();
282	<	checkIncomplete(f);
283	<	f.complete(one);
284	<	checkCompletedNormally(f, one);
285	<	f.obtrudeException(new CFException());
286	<	checkCompletedWithWrappedCFException(f);
281	>	for (Integer v1 : new Integer[] { 1, null })
282	>	{
283	>	CFException ex;
284	>	CompletableFuture<Integer> f;
285	>
286	>	f = new CompletableFuture<>();
287	>	assertTrue(f.complete(v1));
288	>	for (int i = 0; i < 2; i++) {
289	>	f.obtrudeException(ex = new CFException());
290	>	checkCompletedExceptionally(f, ex);
291	>	}
292	>
293		f = new CompletableFuture<>();
294	<	f.obtrudeException(new CFException());
295	<	checkCompletedWithWrappedCFException(f);
294	>	for (int i = 0; i < 2; i++) {
295	>	f.obtrudeException(ex = new CFException());
296	>	checkCompletedExceptionally(f, ex);
297	>	}
298	>
299		f = new CompletableFuture<>();
300	+	f.completeExceptionally(ex = new CFException());
301	+	f.obtrudeValue(v1);
302	+	checkCompletedNormally(f, v1);
303	+	f.obtrudeException(ex = new CFException());
304	+	checkCompletedExceptionally(f, ex);
305		f.completeExceptionally(new CFException());
306	<	f.obtrudeValue(four);
307	<	checkCompletedNormally(f, four);
308	<	f.obtrudeException(new CFException());
309	<	checkCompletedWithWrappedCFException(f);
277	<	}
306	>	checkCompletedExceptionally(f, ex);
307	>	assertFalse(f.complete(v1));
308	>	checkCompletedExceptionally(f, ex);
309	>	}}
310
311		/**
312		* getNumberOfDependents returns number of dependent tasks
313		*/
314		public void testGetNumberOfDependents() {
315	+	for (ExecutionMode m : ExecutionMode.values())
316	+	for (Integer v1 : new Integer[] { 1, null })
317	+	{
318		CompletableFuture<Integer> f = new CompletableFuture<>();
319		assertEquals(0, f.getNumberOfDependents());
320	<	CompletableFuture g = f.thenRun(new Noop());
320	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
321		assertEquals(1, f.getNumberOfDependents());
322		assertEquals(0, g.getNumberOfDependents());
323	<	CompletableFuture h = f.thenRun(new Noop());
323	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
324		assertEquals(2, f.getNumberOfDependents());
325	<	f.complete(1);
325	>	assertEquals(0, h.getNumberOfDependents());
326	>	assertTrue(f.complete(v1));
327		checkCompletedNormally(g, null);
328	+	checkCompletedNormally(h, null);
329		assertEquals(0, f.getNumberOfDependents());
330		assertEquals(0, g.getNumberOfDependents());
331	<	}
331	>	assertEquals(0, h.getNumberOfDependents());
332	>	}}
333
334		/**
335		* toString indicates current completion state
#	Line 302 | Line 340 | public class CompletableFutureTest exten
340		f = new CompletableFuture<String>();
341		assertTrue(f.toString().contains("[Not completed]"));
342
343	<	f.complete("foo");
343	>	assertTrue(f.complete("foo"));
344		assertTrue(f.toString().contains("[Completed normally]"));
345
346		f = new CompletableFuture<String>();
347	<	f.completeExceptionally(new IndexOutOfBoundsException());
347	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
348		assertTrue(f.toString().contains("[Completed exceptionally]"));
349	+
350	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
351	+	f = new CompletableFuture<String>();
352	+	assertTrue(f.cancel(mayInterruptIfRunning));
353	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
354	+	}
355		}
356
357		/**
#	Line 318 | Line 362 | public class CompletableFutureTest exten
362		checkCompletedNormally(f, "test");
363		}
364
365	<	// Choose non-commutative actions for better coverage
365	>	abstract class CheckedAction {
366	>	int invocationCount = 0;
367	>	final ExecutionMode m;
368	>	CheckedAction(ExecutionMode m) { this.m = m; }
369	>	void invoked() {
370	>	m.checkExecutionMode();
371	>	assertEquals(0, invocationCount++);
372	>	}
373	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
374	>	void assertInvoked() { assertEquals(1, invocationCount); }
375	>	}
376
377	<	// A non-commutative function that handles and produces null values as well.
378	<	static Integer subtract(Integer x, Integer y) {
379	<	return (x == null && y == null) ? null :
380	<	((x == null) ? 42 : x.intValue())
381	<	- ((y == null) ? 99 : y.intValue());
377	>	abstract class CheckedIntegerAction extends CheckedAction {
378	>	Integer value;
379	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
380	>	void assertValue(Integer expected) {
381	>	assertInvoked();
382	>	assertEquals(expected, value);
383	>	}
384	>	}
385	>
386	>	class IntegerSupplier extends CheckedAction
387	>	implements Supplier<Integer>
388	>	{
389	>	final Integer value;
390	>	IntegerSupplier(ExecutionMode m, Integer value) {
391	>	super(m);
392	>	this.value = value;
393	>	}
394	>	public Integer get() {
395	>	invoked();
396	>	return value;
397	>	}
398		}
399
400		// A function that handles and produces null values as well.
#	Line 332 | Line 402 | public class CompletableFutureTest exten
402		return (x == null) ? null : x + 1;
403		}
404
405	<	static final Supplier<Integer> supplyOne =
406	<	() -> Integer.valueOf(1);
407	<	static final Function<Integer, Integer> inc =
408	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
339	<	static final BiFunction<Integer, Integer, Integer> subtract =
340	<	(Integer x, Integer y) -> subtract(x, y);
341	<	static final class IncAction implements Consumer<Integer> {
342	<	int invocationCount = 0;
343	<	Integer value;
405	>	class NoopConsumer extends CheckedIntegerAction
406	>	implements Consumer<Integer>
407	>	{
408	>	NoopConsumer(ExecutionMode m) { super(m); }
409		public void accept(Integer x) {
410	<	invocationCount++;
411	<	value = inc(x);
410	>	invoked();
411	>	value = x;
412		}
413		}
414	<	static final class IncFunction implements Function<Integer,Integer> {
415	<	int invocationCount = 0;
416	<	Integer value;
414	>
415	>	class IncFunction extends CheckedIntegerAction
416	>	implements Function<Integer,Integer>
417	>	{
418	>	IncFunction(ExecutionMode m) { super(m); }
419		public Integer apply(Integer x) {
420	<	invocationCount++;
420	>	invoked();
421		return value = inc(x);
422		}
423		}
424	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
425	<	int invocationCount = 0;
426	<	Integer value;
427	<	// Check this action was invoked exactly once when result is computed.
424	>
425	>	// Choose non-commutative actions for better coverage
426	>	// A non-commutative function that handles and produces null values as well.
427	>	static Integer subtract(Integer x, Integer y) {
428	>	return (x == null && y == null) ? null :
429	>	((x == null) ? 42 : x.intValue())
430	>	- ((y == null) ? 99 : y.intValue());
431	>	}
432	>
433	>	class SubtractAction extends CheckedIntegerAction
434	>	implements BiConsumer<Integer, Integer>
435	>	{
436	>	SubtractAction(ExecutionMode m) { super(m); }
437		public void accept(Integer x, Integer y) {
438	<	invocationCount++;
438	>	invoked();
439		value = subtract(x, y);
440		}
441		}
442	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
443	<	int invocationCount = 0;
444	<	Integer value;
445	<	// Check this action was invoked exactly once when result is computed.
442	>
443	>	class SubtractFunction extends CheckedIntegerAction
444	>	implements BiFunction<Integer, Integer, Integer>
445	>	{
446	>	SubtractFunction(ExecutionMode m) { super(m); }
447		public Integer apply(Integer x, Integer y) {
448	<	invocationCount++;
448	>	invoked();
449		return value = subtract(x, y);
450		}
451		}
452	<	static final class Noop implements Runnable {
453	<	int invocationCount = 0;
452	>
453	>	class Noop extends CheckedAction implements Runnable {
454	>	Noop(ExecutionMode m) { super(m); }
455		public void run() {
456	<	invocationCount++;
456	>	invoked();
457		}
458		}
459
460	<	static final class FailingSupplier implements Supplier<Integer> {
461	<	int invocationCount = 0;
460	>	class FailingSupplier extends CheckedAction
461	>	implements Supplier<Integer>
462	>	{
463	>	final CFException ex;
464	>	FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); }
465		public Integer get() {
466	<	invocationCount++;
467	<	throw new CFException();
466	>	invoked();
467	>	throw ex;
468		}
469		}
470	<	static final class FailingConsumer implements Consumer<Integer> {
471	<	int invocationCount = 0;
470	>
471	>	class FailingConsumer extends CheckedIntegerAction
472	>	implements Consumer<Integer>
473	>	{
474	>	final CFException ex;
475	>	FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
476		public void accept(Integer x) {
477	<	invocationCount++;
478	<	throw new CFException();
477	>	invoked();
478	>	value = x;
479	>	throw ex;
480		}
481		}
482	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
483	<	int invocationCount = 0;
482	>
483	>	class FailingBiConsumer extends CheckedIntegerAction
484	>	implements BiConsumer<Integer, Integer>
485	>	{
486	>	final CFException ex;
487	>	FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); }
488		public void accept(Integer x, Integer y) {
489	<	invocationCount++;
490	<	throw new CFException();
489	>	invoked();
490	>	value = subtract(x, y);
491	>	throw ex;
492		}
493		}
494	<	static final class FailingFunction implements Function<Integer, Integer> {
495	<	int invocationCount = 0;
494	>
495	>	class FailingFunction extends CheckedIntegerAction
496	>	implements Function<Integer, Integer>
497	>	{
498	>	final CFException ex;
499	>	FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); }
500		public Integer apply(Integer x) {
501	<	invocationCount++;
502	<	throw new CFException();
501	>	invoked();
502	>	value = x;
503	>	throw ex;
504		}
505		}
506	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
507	<	int invocationCount = 0;
506	>
507	>	class FailingBiFunction extends CheckedIntegerAction
508	>	implements BiFunction<Integer, Integer, Integer>
509	>	{
510	>	final CFException ex;
511	>	FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); }
512		public Integer apply(Integer x, Integer y) {
513	<	invocationCount++;
514	<	throw new CFException();
513	>	invoked();
514	>	value = subtract(x, y);
515	>	throw ex;
516		}
517		}
518	<	static final class FailingNoop implements Runnable {
519	<	int invocationCount = 0;
518	>
519	>	class FailingRunnable extends CheckedAction implements Runnable {
520	>	final CFException ex;
521	>	FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); }
522		public void run() {
523	<	invocationCount++;
524	<	throw new CFException();
523	>	invoked();
524	>	throw ex;
525		}
526		}
527
528	<	static final class CompletableFutureInc
529	<	implements Function<Integer, CompletableFuture<Integer>> {
530	<	int invocationCount = 0;
528	>	class CompletableFutureInc extends CheckedIntegerAction
529	>	implements Function<Integer, CompletableFuture<Integer>>
530	>	{
531	>	CompletableFutureInc(ExecutionMode m) { super(m); }
532		public CompletableFuture<Integer> apply(Integer x) {
533	<	invocationCount++;
533	>	invoked();
534	>	value = x;
535		CompletableFuture<Integer> f = new CompletableFuture<>();
536	<	f.complete(inc(x));
536	>	assertTrue(f.complete(inc(x)));
537		return f;
538		}
539		}
540
541	<	static final class FailingCompletableFutureFunction
542	<	implements Function<Integer, CompletableFuture<Integer>> {
543	<	int invocationCount = 0;
541	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
542	>	implements Function<Integer, CompletableFuture<Integer>>
543	>	{
544	>	final CFException ex;
545	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); }
546		public CompletableFuture<Integer> apply(Integer x) {
547	<	invocationCount++;
548	<	throw new CFException();
547	>	invoked();
548	>	value = x;
549	>	throw ex;
550		}
551		}
552
553		// Used for explicit executor tests
554		static final class ThreadExecutor implements Executor {
555	<	AtomicInteger count = new AtomicInteger(0);
555	>	final AtomicInteger count = new AtomicInteger(0);
556	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
557	>	static boolean startedCurrentThread() {
558	>	return Thread.currentThread().getThreadGroup() == tg;
559	>	}
560
561		public void execute(Runnable r) {
562		count.getAndIncrement();
563	<	new Thread(r).start();
563	>	new Thread(tg, r).start();
564		}
565		}
566
567	+	static final boolean defaultExecutorIsCommonPool
568	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
569	+
570		/**
571		* Permits the testing of parallel code for the 3 different
572	<	* execution modes without repeating all the testing code.
572	>	* execution modes without copy/pasting all the test methods.
573		*/
574		enum ExecutionMode {
575	<	DEFAULT {
575	>	SYNC {
576	>	public void checkExecutionMode() {
577	>	assertFalse(ThreadExecutor.startedCurrentThread());
578	>	assertNull(ForkJoinTask.getPool());
579	>	}
580	>	public CompletableFuture<Void> runAsync(Runnable a) {
581	>	throw new UnsupportedOperationException();
582	>	}
583	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
584	>	throw new UnsupportedOperationException();
585	>	}
586		public <T> CompletableFuture<Void> thenRun
587		(CompletableFuture<T> f, Runnable a) {
588		return f.thenRun(a);
#	Line 521 | Line 646 | public class CompletableFutureTest exten
646		}
647		},
648
649	<	DEFAULT_ASYNC {
649	>	ASYNC {
650	>	public void checkExecutionMode() {
651	>	assertEquals(defaultExecutorIsCommonPool,
652	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
653	>	}
654	>	public CompletableFuture<Void> runAsync(Runnable a) {
655	>	return CompletableFuture.runAsync(a);
656	>	}
657	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
658	>	return CompletableFuture.supplyAsync(a);
659	>	}
660		public <T> CompletableFuture<Void> thenRun
661		(CompletableFuture<T> f, Runnable a) {
662		return f.thenRunAsync(a);
#	Line 586 | Line 721 | public class CompletableFutureTest exten
721		},
722
723		EXECUTOR {
724	+	public void checkExecutionMode() {
725	+	assertTrue(ThreadExecutor.startedCurrentThread());
726	+	}
727	+	public CompletableFuture<Void> runAsync(Runnable a) {
728	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
729	+	}
730	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
731	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
732	+	}
733		public <T> CompletableFuture<Void> thenRun
734		(CompletableFuture<T> f, Runnable a) {
735		return f.thenRunAsync(a, new ThreadExecutor());
#	Line 649 | Line 793 | public class CompletableFutureTest exten
793		}
794		};
795
796	+	public abstract void checkExecutionMode();
797	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
798	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
799		public abstract <T> CompletableFuture<Void> thenRun
800		(CompletableFuture<T> f, Runnable a);
801		public abstract <T> CompletableFuture<Void> thenAccept
#	Line 698 | Line 845 | public class CompletableFutureTest exten
845		{
846		final AtomicInteger a = new AtomicInteger(0);
847		final CompletableFuture<Integer> f = new CompletableFuture<>();
848	<	if (!createIncomplete) f.complete(v1);
848	>	if (!createIncomplete) assertTrue(f.complete(v1));
849		final CompletableFuture<Integer> g = f.exceptionally
850		((Throwable t) -> {
704	–	// Should not be called
851		a.getAndIncrement();
852	<	throw new AssertionError();
852	>	threadFail("should not be called");
853	>	return null;            // unreached
854		});
855	<	if (createIncomplete) f.complete(v1);
855	>	if (createIncomplete) assertTrue(f.complete(v1));
856
857		checkCompletedNormally(g, v1);
858		checkCompletedNormally(f, v1);
859		assertEquals(0, a.get());
860		}}
861
715	–
862		/**
863		* exceptionally action completes with function value on source
864		* exception
#	Line 727 | Line 873 | public class CompletableFutureTest exten
873		if (!createIncomplete) f.completeExceptionally(ex);
874		final CompletableFuture<Integer> g = f.exceptionally
875		((Throwable t) -> {
876	+	ExecutionMode.SYNC.checkExecutionMode();
877		threadAssertSame(t, ex);
878		a.getAndIncrement();
879		return v1;
#	Line 737 | Line 884 | public class CompletableFutureTest exten
884		assertEquals(1, a.get());
885		}}
886
887	+	/**
888	+	* If an "exceptionally action" throws an exception, it completes
889	+	* exceptionally with that exception
890	+	*/
891		public void testExceptionally_exceptionalCompletionActionFailed() {
892		for (boolean createIncomplete : new boolean[] { true, false })
742	–	for (Integer v1 : new Integer[] { 1, null })
893		{
894		final AtomicInteger a = new AtomicInteger(0);
895		final CFException ex1 = new CFException();
#	Line 748 | Line 898 | public class CompletableFutureTest exten
898		if (!createIncomplete) f.completeExceptionally(ex1);
899		final CompletableFuture<Integer> g = f.exceptionally
900		((Throwable t) -> {
901	+	ExecutionMode.SYNC.checkExecutionMode();
902		threadAssertSame(t, ex1);
903		a.getAndIncrement();
904		throw ex2;
905		});
906		if (createIncomplete) f.completeExceptionally(ex1);
907
908	<	checkCompletedWithWrappedCFException(g, ex2);
908	>	checkCompletedWithWrappedException(g, ex2);
909	>	checkCompletedExceptionally(f, ex1);
910		assertEquals(1, a.get());
911		}}
912
913		/**
914	<	* handle action completes normally with function value on normal
915	<	* completion of source
914	>	* whenComplete action executes on normal completion, propagating
915	>	* source result.
916		*/
917	<	public void testHandle_normalCompletion() {
917	>	public void testWhenComplete_normalCompletion() {
918		for (ExecutionMode m : ExecutionMode.values())
919		for (boolean createIncomplete : new boolean[] { true, false })
920		for (Integer v1 : new Integer[] { 1, null })
921		{
770	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
922		final AtomicInteger a = new AtomicInteger(0);
923	<	if (!createIncomplete) f.complete(v1);
924	<	final CompletableFuture<Integer> g = m.handle
923	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
924	>	if (!createIncomplete) assertTrue(f.complete(v1));
925	>	final CompletableFuture<Integer> g = m.whenComplete
926		(f,
927	<	(Integer x, Throwable t) -> {
928	<	threadAssertSame(x, v1);
927	>	(Integer result, Throwable t) -> {
928	>	m.checkExecutionMode();
929	>	threadAssertSame(result, v1);
930		threadAssertNull(t);
931		a.getAndIncrement();
779	–	return inc(v1);
932		});
933	<	if (createIncomplete) f.complete(v1);
933	>	if (createIncomplete) assertTrue(f.complete(v1));
934
935	<	checkCompletedNormally(g, inc(v1));
935	>	checkCompletedNormally(g, v1);
936		checkCompletedNormally(f, v1);
937		assertEquals(1, a.get());
938		}}
939
940		/**
941	<	* handle action completes normally with function value on
942	<	* exceptional completion of source
941	>	* whenComplete action executes on exceptional completion, propagating
942	>	* source result.
943		*/
944	<	public void testHandle_exceptionalCompletion() {
944	>	public void testWhenComplete_exceptionalCompletion() {
945		for (ExecutionMode m : ExecutionMode.values())
946		for (boolean createIncomplete : new boolean[] { true, false })
795	–	for (Integer v1 : new Integer[] { 1, null })
947		{
797	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
948		final AtomicInteger a = new AtomicInteger(0);
949		final CFException ex = new CFException();
950	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
951		if (!createIncomplete) f.completeExceptionally(ex);
952	<	final CompletableFuture<Integer> g = m.handle
952	>	final CompletableFuture<Integer> g = m.whenComplete
953		(f,
954	<	(Integer x, Throwable t) -> {
955	<	threadAssertNull(x);
954	>	(Integer result, Throwable t) -> {
955	>	m.checkExecutionMode();
956	>	threadAssertNull(result);
957		threadAssertSame(t, ex);
958		a.getAndIncrement();
807	–	return v1;
959		});
960		if (createIncomplete) f.completeExceptionally(ex);
961
962	<	checkCompletedNormally(g, v1);
963	<	checkCompletedWithWrappedCFException(f, ex);
962	>	checkCompletedWithWrappedException(g, ex);
963	>	checkCompletedExceptionally(f, ex);
964		assertEquals(1, a.get());
965		}}
966
967		/**
968	<	* handle action completes normally with function value on
969	<	* cancelled source
968	>	* whenComplete action executes on cancelled source, propagating
969	>	* CancellationException.
970		*/
971	<	public void testHandle_sourceCancelled() {
971	>	public void testWhenComplete_sourceCancelled() {
972		for (ExecutionMode m : ExecutionMode.values())
973		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
974		for (boolean createIncomplete : new boolean[] { true, false })
824	–	for (Integer v1 : new Integer[] { 1, null })
975		{
826	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
976		final AtomicInteger a = new AtomicInteger(0);
977	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
978		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
979	<	final CompletableFuture<Integer> g = m.handle
979	>	final CompletableFuture<Integer> g = m.whenComplete
980		(f,
981	<	(Integer x, Throwable t) -> {
982	<	threadAssertNull(x);
981	>	(Integer result, Throwable t) -> {
982	>	m.checkExecutionMode();
983	>	threadAssertNull(result);
984		threadAssertTrue(t instanceof CancellationException);
985		a.getAndIncrement();
835	–	return v1;
986		});
987		if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
988
989	<	checkCompletedNormally(g, v1);
989	>	checkCompletedWithWrappedCancellationException(g);
990		checkCancelled(f);
991		assertEquals(1, a.get());
992		}}
993
994		/**
995	<	* handle result completes exceptionally if action does
995	>	* If a whenComplete action throws an exception when triggered by
996	>	* a normal completion, it completes exceptionally
997		*/
998	<	public void testHandle_sourceFailedActionFailed() {
848	<	for (ExecutionMode m : ExecutionMode.values())
998	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
999		for (boolean createIncomplete : new boolean[] { true, false })
1000	+	for (ExecutionMode m : ExecutionMode.values())
1001	+	for (Integer v1 : new Integer[] { 1, null })
1002		{
1003	+	final AtomicInteger a = new AtomicInteger(0);
1004	+	final CFException ex = new CFException();
1005		final CompletableFuture<Integer> f = new CompletableFuture<>();
1006	+	if (!createIncomplete) assertTrue(f.complete(v1));
1007	+	final CompletableFuture<Integer> g = m.whenComplete
1008	+	(f,
1009	+	(Integer result, Throwable t) -> {
1010	+	m.checkExecutionMode();
1011	+	threadAssertSame(result, v1);
1012	+	threadAssertNull(t);
1013	+	a.getAndIncrement();
1014	+	throw ex;
1015	+	});
1016	+	if (createIncomplete) assertTrue(f.complete(v1));
1017	+
1018	+	checkCompletedWithWrappedException(g, ex);
1019	+	checkCompletedNormally(f, v1);
1020	+	assertEquals(1, a.get());
1021	+	}}
1022	+
1023	+	/**
1024	+	* If a whenComplete action throws an exception when triggered by
1025	+	* a source completion that also throws an exception, the source
1026	+	* exception takes precedence (unlike handle)
1027	+	*/
1028	+	public void testWhenComplete_sourceFailedActionFailed() {
1029	+	for (boolean createIncomplete : new boolean[] { true, false })
1030	+	for (ExecutionMode m : ExecutionMode.values())
1031	+	{
1032		final AtomicInteger a = new AtomicInteger(0);
1033		final CFException ex1 = new CFException();
1034		final CFException ex2 = new CFException();
1035	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1036	+
1037		if (!createIncomplete) f.completeExceptionally(ex1);
1038	<	final CompletableFuture<Integer> g = m.handle
1038	>	final CompletableFuture<Integer> g = m.whenComplete
1039		(f,
1040	<	(Integer x, Throwable t) -> {
1041	<	threadAssertNull(x);
1042	<	threadAssertSame(ex1, t);
1040	>	(Integer result, Throwable t) -> {
1041	>	m.checkExecutionMode();
1042	>	threadAssertSame(t, ex1);
1043	>	threadAssertNull(result);
1044		a.getAndIncrement();
1045		throw ex2;
1046		});
1047		if (createIncomplete) f.completeExceptionally(ex1);
1048
1049	<	checkCompletedWithWrappedCFException(g, ex2);
1050	<	checkCompletedWithWrappedCFException(f, ex1);
1049	>	checkCompletedWithWrappedException(g, ex1);
1050	>	checkCompletedExceptionally(f, ex1);
1051	>	if (testImplementationDetails) {
1052	>	assertEquals(1, ex1.getSuppressed().length);
1053	>	assertSame(ex2, ex1.getSuppressed()[0]);
1054	>	}
1055		assertEquals(1, a.get());
1056		}}
1057
1058	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1058	>	/**
1059	>	* handle action completes normally with function value on normal
1060	>	* completion of source
1061	>	*/
1062	>	public void testHandle_normalCompletion() {
1063		for (ExecutionMode m : ExecutionMode.values())
1064		for (boolean createIncomplete : new boolean[] { true, false })
1065		for (Integer v1 : new Integer[] { 1, null })
1066		{
1067		final CompletableFuture<Integer> f = new CompletableFuture<>();
1068		final AtomicInteger a = new AtomicInteger(0);
1069	<	final CFException ex = new CFException();
879	<	if (!createIncomplete) f.complete(v1);
1069	>	if (!createIncomplete) assertTrue(f.complete(v1));
1070		final CompletableFuture<Integer> g = m.handle
1071		(f,
1072	<	(Integer x, Throwable t) -> {
1073	<	threadAssertSame(x, v1);
1072	>	(Integer result, Throwable t) -> {
1073	>	m.checkExecutionMode();
1074	>	threadAssertSame(result, v1);
1075		threadAssertNull(t);
1076		a.getAndIncrement();
1077	<	throw ex;
1077	>	return inc(v1);
1078		});
1079	<	if (createIncomplete) f.complete(v1);
1079	>	if (createIncomplete) assertTrue(f.complete(v1));
1080
1081	<	checkCompletedWithWrappedCFException(g, ex);
1081	>	checkCompletedNormally(g, inc(v1));
1082		checkCompletedNormally(f, v1);
1083		assertEquals(1, a.get());
1084		}}
1085
1086		/**
1087	<	* runAsync completes after running Runnable
1088	<	*/
898	<	public void testRunAsync() {
899	<	Noop r = new Noop();
900	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
901	<	assertNull(f.join());
902	<	assertEquals(1, r.invocationCount);
903	<	checkCompletedNormally(f, null);
904	<	}
905	<
906	<	/**
907	<	* runAsync with executor completes after running Runnable
908	<	*/
909	<	public void testRunAsync2() {
910	<	Noop r = new Noop();
911	<	ThreadExecutor exec = new ThreadExecutor();
912	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
913	<	assertNull(f.join());
914	<	assertEquals(1, r.invocationCount);
915	<	checkCompletedNormally(f, null);
916	<	assertEquals(1, exec.count.get());
917	<	}
918	<
919	<	/**
920	<	* failing runAsync completes exceptionally after running Runnable
921	<	*/
922	<	public void testRunAsync3() {
923	<	FailingNoop r = new FailingNoop();
924	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
925	<	checkCompletedWithWrappedCFException(f);
926	<	assertEquals(1, r.invocationCount);
927	<	}
928	<
929	<	/**
930	<	* supplyAsync completes with result of supplier
931	<	*/
932	<	public void testSupplyAsync() {
933	<	CompletableFuture<Integer> f;
934	<	f = CompletableFuture.supplyAsync(supplyOne);
935	<	assertEquals(f.join(), one);
936	<	checkCompletedNormally(f, one);
937	<	}
938	<
939	<	/**
940	<	* supplyAsync with executor completes with result of supplier
941	<	*/
942	<	public void testSupplyAsync2() {
943	<	CompletableFuture<Integer> f;
944	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
945	<	assertEquals(f.join(), one);
946	<	checkCompletedNormally(f, one);
947	<	}
948	<
949	<	/**
950	<	* Failing supplyAsync completes exceptionally
951	<	*/
952	<	public void testSupplyAsync3() {
953	<	FailingSupplier r = new FailingSupplier();
954	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
955	<	checkCompletedWithWrappedCFException(f);
956	<	assertEquals(1, r.invocationCount);
957	<	}
958	<
959	<	// seq completion methods
960	<
961	<	/**
962	<	* thenRun result completes normally after normal completion of source
963	<	*/
964	<	public void testThenRun() {
965	<	CompletableFuture<Integer> f;
966	<	CompletableFuture<Void> g;
967	<	Noop r;
968	<
969	<	f = new CompletableFuture<>();
970	<	g = f.thenRun(r = new Noop());
971	<	f.complete(null);
972	<	checkCompletedNormally(g, null);
973	<	assertEquals(1, r.invocationCount);
974	<
975	<	f = new CompletableFuture<>();
976	<	f.complete(null);
977	<	g = f.thenRun(r = new Noop());
978	<	checkCompletedNormally(g, null);
979	<	assertEquals(1, r.invocationCount);
980	<	}
981	<
982	<	/**
983	<	* thenRun result completes exceptionally after exceptional
984	<	* completion of source
985	<	*/
986	<	public void testThenRun2() {
987	<	CompletableFuture<Integer> f;
988	<	CompletableFuture<Void> g;
989	<	Noop r;
990	<
991	<	f = new CompletableFuture<>();
992	<	g = f.thenRun(r = new Noop());
993	<	f.completeExceptionally(new CFException());
994	<	checkCompletedWithWrappedCFException(g);
995	<	assertEquals(0, r.invocationCount);
996	<
997	<	f = new CompletableFuture<>();
998	<	f.completeExceptionally(new CFException());
999	<	g = f.thenRun(r = new Noop());
1000	<	checkCompletedWithWrappedCFException(g);
1001	<	assertEquals(0, r.invocationCount);
1002	<	}
1003	<
1004	<	/**
1005	<	* thenRun result completes exceptionally if action does
1006	<	*/
1007	<	public void testThenRun3() {
1008	<	CompletableFuture<Integer> f;
1009	<	CompletableFuture<Void> g;
1010	<	FailingNoop r;
1011	<
1012	<	f = new CompletableFuture<>();
1013	<	g = f.thenRun(r = new FailingNoop());
1014	<	f.complete(null);
1015	<	checkCompletedWithWrappedCFException(g);
1016	<
1017	<	f = new CompletableFuture<>();
1018	<	f.complete(null);
1019	<	g = f.thenRun(r = new FailingNoop());
1020	<	checkCompletedWithWrappedCFException(g);
1021	<	}
1022	<
1023	<	/**
1024	<	* thenRun result completes exceptionally if source cancelled
1025	<	*/
1026	<	public void testThenRun4() {
1027	<	CompletableFuture<Integer> f;
1028	<	CompletableFuture<Void> g;
1029	<	Noop r;
1030	<
1031	<	f = new CompletableFuture<>();
1032	<	g = f.thenRun(r = new Noop());
1033	<	assertTrue(f.cancel(true));
1034	<	checkCompletedWithWrappedCancellationException(g);
1035	<
1036	<	f = new CompletableFuture<>();
1037	<	assertTrue(f.cancel(true));
1038	<	g = f.thenRun(r = new Noop());
1039	<	checkCompletedWithWrappedCancellationException(g);
1040	<	}
1041	<
1042	<	/**
1043	<	* thenApply result completes normally after normal completion of source
1044	<	*/
1045	<	public void testThenApply() {
1046	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1047	<	CompletableFuture<Integer> g = f.thenApply(inc);
1048	<	f.complete(one);
1049	<	checkCompletedNormally(g, two);
1050	<	}
1051	<
1052	<	/**
1053	<	* thenApply result completes exceptionally after exceptional
1054	<	* completion of source
1055	<	*/
1056	<	public void testThenApply2() {
1057	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1058	<	CompletableFuture<Integer> g = f.thenApply(inc);
1059	<	f.completeExceptionally(new CFException());
1060	<	checkCompletedWithWrappedCFException(g);
1061	<	}
1062	<
1063	<	/**
1064	<	* thenApply result completes exceptionally if action does
1065	<	*/
1066	<	public void testThenApply3() {
1067	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1068	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1069	<	f.complete(one);
1070	<	checkCompletedWithWrappedCFException(g);
1071	<	}
1072	<
1073	<	/**
1074	<	* thenApply result completes exceptionally if source cancelled
1075	<	*/
1076	<	public void testThenApply4() {
1077	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1078	<	CompletableFuture<Integer> g = f.thenApply(inc);
1079	<	assertTrue(f.cancel(true));
1080	<	checkCompletedWithWrappedCancellationException(g);
1081	<	}
1082	<
1083	<	/**
1084	<	* thenAccept result completes normally after normal completion of source
1085	<	*/
1086	<	public void testThenAccept() {
1087	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1088	<	IncAction r = new IncAction();
1089	<	CompletableFuture<Void> g = f.thenAccept(r);
1090	<	f.complete(one);
1091	<	checkCompletedNormally(g, null);
1092	<	assertEquals(r.value, (Integer) 2);
1093	<	}
1094	<
1095	<	/**
1096	<	* thenAccept result completes exceptionally after exceptional
1097	<	* completion of source
1098	<	*/
1099	<	public void testThenAccept2() {
1100	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1101	<	IncAction r = new IncAction();
1102	<	CompletableFuture<Void> g = f.thenAccept(r);
1103	<	f.completeExceptionally(new CFException());
1104	<	checkCompletedWithWrappedCFException(g);
1105	<	}
1106	<
1107	<	/**
1108	<	* thenAccept result completes exceptionally if action does
1109	<	*/
1110	<	public void testThenAccept3() {
1111	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1112	<	FailingConsumer r = new FailingConsumer();
1113	<	CompletableFuture<Void> g = f.thenAccept(r);
1114	<	f.complete(one);
1115	<	checkCompletedWithWrappedCFException(g);
1116	<	assertEquals(1, r.invocationCount);
1117	<	}
1118	<
1119	<	/**
1120	<	* thenAccept result completes exceptionally if source cancelled
1121	<	*/
1122	<	public void testThenAccept4() {
1123	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1124	<	IncAction r = new IncAction();
1125	<	CompletableFuture<Void> g = f.thenAccept(r);
1126	<	assertTrue(f.cancel(true));
1127	<	checkCompletedWithWrappedCancellationException(g);
1128	<	}
1129	<
1130	<	/**
1131	<	* thenCombine result completes normally after normal completion
1132	<	* of sources
1087	>	* handle action completes normally with function value on
1088	>	* exceptional completion of source
1089		*/
1090	<	public void testThenCombine_normalCompletion1() {
1135	<	for (boolean createIncomplete : new boolean[] { true, false })
1136	<	for (boolean fFirst : new boolean[] { true, false })
1090	>	public void testHandle_exceptionalCompletion() {
1091		for (ExecutionMode m : ExecutionMode.values())
1092	+	for (boolean createIncomplete : new boolean[] { true, false })
1093		for (Integer v1 : new Integer[] { 1, null })
1139	–	for (Integer v2 : new Integer[] { 2, null })
1094		{
1095		final CompletableFuture<Integer> f = new CompletableFuture<>();
1096	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1097	<	final SubtractFunction r = new SubtractFunction();
1098	<	CompletableFuture<Integer> h = null;
1099	<	if (createIncomplete) h = m.thenCombine(f, g, r);
1100	<
1101	<	if (fFirst)
1102	<	f.complete(v1);
1103	<	else
1104	<	g.complete(v2);
1105	<	if (createIncomplete) checkIncomplete(h);
1106	<	assertEquals(0, r.invocationCount);
1107	<	if (!fFirst)
1108	<	f.complete(v1);
1155	<	else
1156	<	g.complete(v2);
1157	<	if (!createIncomplete) h = m.thenCombine(f, g, r);
1096	>	final AtomicInteger a = new AtomicInteger(0);
1097	>	final CFException ex = new CFException();
1098	>	if (!createIncomplete) f.completeExceptionally(ex);
1099	>	final CompletableFuture<Integer> g = m.handle
1100	>	(f,
1101	>	(Integer result, Throwable t) -> {
1102	>	m.checkExecutionMode();
1103	>	threadAssertNull(result);
1104	>	threadAssertSame(t, ex);
1105	>	a.getAndIncrement();
1106	>	return v1;
1107	>	});
1108	>	if (createIncomplete) f.completeExceptionally(ex);
1109
1110	<	checkCompletedNormally(h, subtract(v1, v2));
1111	<	checkCompletedNormally(f, v1);
1112	<	checkCompletedNormally(g, v2);
1162	<	assertEquals(1, r.invocationCount);
1110	>	checkCompletedNormally(g, v1);
1111	>	checkCompletedExceptionally(f, ex);
1112	>	assertEquals(1, a.get());
1113		}}
1114
1115		/**
1116	<	* thenCombine result completes exceptionally after exceptional
1117	<	* completion of either source
1116	>	* handle action completes normally with function value on
1117	>	* cancelled source
1118		*/
1119	<	public void testThenCombine_exceptionalCompletion1() {
1119	>	public void testHandle_sourceCancelled() {
1120		for (ExecutionMode m : ExecutionMode.values())
1121	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1122	+	for (boolean createIncomplete : new boolean[] { true, false })
1123		for (Integer v1 : new Integer[] { 1, null })
1124		{
1125		final CompletableFuture<Integer> f = new CompletableFuture<>();
1126	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1127	<	final SubtractFunction r = new SubtractFunction();
1128	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1129	<	final CFException ex = new CFException();
1130	<
1131	<	f.completeExceptionally(ex);
1132	<	checkIncomplete(h);
1133	<	g.complete(v1);
1126	>	final AtomicInteger a = new AtomicInteger(0);
1127	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1128	>	final CompletableFuture<Integer> g = m.handle
1129	>	(f,
1130	>	(Integer result, Throwable t) -> {
1131	>	m.checkExecutionMode();
1132	>	threadAssertNull(result);
1133	>	threadAssertTrue(t instanceof CancellationException);
1134	>	a.getAndIncrement();
1135	>	return v1;
1136	>	});
1137	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1138
1183	–	checkCompletedWithWrappedCFException(h, ex);
1184	–	checkCompletedWithWrappedCFException(f, ex);
1185	–	assertEquals(0, r.invocationCount);
1139		checkCompletedNormally(g, v1);
1140	+	checkCancelled(f);
1141	+	assertEquals(1, a.get());
1142		}}
1143
1144	<	public void testThenCombine_exceptionalCompletion2() {
1144	>	/**
1145	>	* If a "handle action" throws an exception when triggered by
1146	>	* a normal completion, it completes exceptionally
1147	>	*/
1148	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1149		for (ExecutionMode m : ExecutionMode.values())
1150	+	for (boolean createIncomplete : new boolean[] { true, false })
1151		for (Integer v1 : new Integer[] { 1, null })
1152		{
1153		final CompletableFuture<Integer> f = new CompletableFuture<>();
1154	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1195	<	final SubtractFunction r = new SubtractFunction();
1196	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1154	>	final AtomicInteger a = new AtomicInteger(0);
1155		final CFException ex = new CFException();
1156	+	if (!createIncomplete) assertTrue(f.complete(v1));
1157	+	final CompletableFuture<Integer> g = m.handle
1158	+	(f,
1159	+	(Integer result, Throwable t) -> {
1160	+	m.checkExecutionMode();
1161	+	threadAssertSame(result, v1);
1162	+	threadAssertNull(t);
1163	+	a.getAndIncrement();
1164	+	throw ex;
1165	+	});
1166	+	if (createIncomplete) assertTrue(f.complete(v1));
1167
1168	<	g.completeExceptionally(ex);
1200	<	checkIncomplete(h);
1201	<	f.complete(v1);
1202	<
1203	<	checkCompletedWithWrappedCFException(h, ex);
1204	<	checkCompletedWithWrappedCFException(g, ex);
1205	<	assertEquals(0, r.invocationCount);
1168	>	checkCompletedWithWrappedException(g, ex);
1169		checkCompletedNormally(f, v1);
1170	+	assertEquals(1, a.get());
1171		}}
1172
1173	<	public void testThenCombine_exceptionalCompletion3() {
1173	>	/**
1174	>	* If a "handle action" throws an exception when triggered by
1175	>	* a source completion that also throws an exception, the action
1176	>	* exception takes precedence (unlike whenComplete)
1177	>	*/
1178	>	public void testHandle_sourceFailedActionFailed() {
1179	>	for (boolean createIncomplete : new boolean[] { true, false })
1180		for (ExecutionMode m : ExecutionMode.values())
1211	–	for (Integer v1 : new Integer[] { 1, null })
1181		{
1182	+	final AtomicInteger a = new AtomicInteger(0);
1183	+	final CFException ex1 = new CFException();
1184	+	final CFException ex2 = new CFException();
1185		final CompletableFuture<Integer> f = new CompletableFuture<>();
1214	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1215	–	final SubtractFunction r = new SubtractFunction();
1216	–	final CFException ex = new CFException();
1186
1187	<	g.completeExceptionally(ex);
1188	<	f.complete(v1);
1189	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1187	>	if (!createIncomplete) f.completeExceptionally(ex1);
1188	>	final CompletableFuture<Integer> g = m.handle
1189	>	(f,
1190	>	(Integer result, Throwable t) -> {
1191	>	m.checkExecutionMode();
1192	>	threadAssertNull(result);
1193	>	threadAssertSame(ex1, t);
1194	>	a.getAndIncrement();
1195	>	throw ex2;
1196	>	});
1197	>	if (createIncomplete) f.completeExceptionally(ex1);
1198
1199	<	checkCompletedWithWrappedCFException(h, ex);
1200	<	checkCompletedWithWrappedCFException(g, ex);
1201	<	assertEquals(0, r.invocationCount);
1225	<	checkCompletedNormally(f, v1);
1199	>	checkCompletedWithWrappedException(g, ex2);
1200	>	checkCompletedExceptionally(f, ex1);
1201	>	assertEquals(1, a.get());
1202		}}
1203
1204	<	public void testThenCombine_exceptionalCompletion4() {
1205	<	for (ExecutionMode m : ExecutionMode.values())
1206	<	for (Integer v1 : new Integer[] { 1, null })
1204	>	/**
1205	>	* runAsync completes after running Runnable
1206	>	*/
1207	>	public void testRunAsync_normalCompletion() {
1208	>	ExecutionMode[] executionModes = {
1209	>	ExecutionMode.ASYNC,
1210	>	ExecutionMode.EXECUTOR,
1211	>	};
1212	>	for (ExecutionMode m : executionModes)
1213		{
1214	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1215	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1216	<	final SubtractFunction r = new SubtractFunction();
1217	<	final CFException ex = new CFException();
1218	<
1237	<	f.completeExceptionally(ex);
1238	<	g.complete(v1);
1239	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1240	<
1241	<	checkCompletedWithWrappedCFException(h, ex);
1242	<	checkCompletedWithWrappedCFException(f, ex);
1243	<	assertEquals(0, r.invocationCount);
1244	<	checkCompletedNormally(g, v1);
1214	>	final Noop r = new Noop(m);
1215	>	final CompletableFuture<Void> f = m.runAsync(r);
1216	>	assertNull(f.join());
1217	>	checkCompletedNormally(f, null);
1218	>	r.assertInvoked();
1219		}}
1220
1221		/**
1222	<	* thenCombine result completes exceptionally if action does
1222	>	* failing runAsync completes exceptionally after running Runnable
1223		*/
1224	<	public void testThenCombine_actionFailed1() {
1225	<	for (ExecutionMode m : ExecutionMode.values())
1226	<	for (Integer v1 : new Integer[] { 1, null })
1227	<	for (Integer v2 : new Integer[] { 2, null })
1224	>	public void testRunAsync_exceptionalCompletion() {
1225	>	ExecutionMode[] executionModes = {
1226	>	ExecutionMode.ASYNC,
1227	>	ExecutionMode.EXECUTOR,
1228	>	};
1229	>	for (ExecutionMode m : executionModes)
1230		{
1231	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1232	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1233	<	final FailingBiFunction r = new FailingBiFunction();
1234	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1259	<
1260	<	f.complete(v1);
1261	<	checkIncomplete(h);
1262	<	g.complete(v2);
1263	<
1264	<	checkCompletedWithWrappedCFException(h);
1265	<	checkCompletedNormally(f, v1);
1266	<	checkCompletedNormally(g, v2);
1231	>	final FailingRunnable r = new FailingRunnable(m);
1232	>	final CompletableFuture<Void> f = m.runAsync(r);
1233	>	checkCompletedWithWrappedException(f, r.ex);
1234	>	r.assertInvoked();
1235		}}
1236
1237	<	public void testThenCombine_actionFailed2() {
1238	<	for (ExecutionMode m : ExecutionMode.values())
1237	>	/**
1238	>	* supplyAsync completes with result of supplier
1239	>	*/
1240	>	public void testSupplyAsync_normalCompletion() {
1241	>	ExecutionMode[] executionModes = {
1242	>	ExecutionMode.ASYNC,
1243	>	ExecutionMode.EXECUTOR,
1244	>	};
1245	>	for (ExecutionMode m : executionModes)
1246		for (Integer v1 : new Integer[] { 1, null })
1272	–	for (Integer v2 : new Integer[] { 2, null })
1247		{
1248	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1249	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1250	<	final FailingBiFunction r = new FailingBiFunction();
1277	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1278	<
1279	<	g.complete(v2);
1280	<	checkIncomplete(h);
1281	<	f.complete(v1);
1282	<
1283	<	checkCompletedWithWrappedCFException(h);
1248	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1249	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1250	>	assertSame(v1, f.join());
1251		checkCompletedNormally(f, v1);
1252	<	checkCompletedNormally(g, v2);
1252	>	r.assertInvoked();
1253		}}
1254
1255		/**
1256	<	* thenCombine result completes exceptionally if either source cancelled
1256	>	* Failing supplyAsync completes exceptionally
1257		*/
1258	<	public void testThenCombine_sourceCancelled1() {
1259	<	for (ExecutionMode m : ExecutionMode.values())
1260	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1261	<	for (Integer v1 : new Integer[] { 1, null })
1258	>	public void testSupplyAsync_exceptionalCompletion() {
1259	>	ExecutionMode[] executionModes = {
1260	>	ExecutionMode.ASYNC,
1261	>	ExecutionMode.EXECUTOR,
1262	>	};
1263	>	for (ExecutionMode m : executionModes)
1264		{
1265	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1266	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1267	<	final SubtractFunction r = new SubtractFunction();
1268	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1300	<
1301	<	assertTrue(f.cancel(mayInterruptIfRunning));
1302	<	checkIncomplete(h);
1303	<	g.complete(v1);
1304	<
1305	<	checkCompletedWithWrappedCancellationException(h);
1306	<	checkCancelled(f);
1307	<	assertEquals(0, r.invocationCount);
1308	<	checkCompletedNormally(g, v1);
1265	>	FailingSupplier r = new FailingSupplier(m);
1266	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1267	>	checkCompletedWithWrappedException(f, r.ex);
1268	>	r.assertInvoked();
1269		}}
1270
1271	<	public void testThenCombine_sourceCancelled2() {
1271	>	// seq completion methods
1272	>
1273	>	/**
1274	>	* thenRun result completes normally after normal completion of source
1275	>	*/
1276	>	public void testThenRun_normalCompletion() {
1277		for (ExecutionMode m : ExecutionMode.values())
1313	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1278		for (Integer v1 : new Integer[] { 1, null })
1279		{
1280		final CompletableFuture<Integer> f = new CompletableFuture<>();
1281	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1282	<	final SubtractFunction r = new SubtractFunction();
1319	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1281	>	final Noop[] rs = new Noop[6];
1282	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1283
1284	<	assertTrue(g.cancel(mayInterruptIfRunning));
1285	<	checkIncomplete(h);
1286	<	f.complete(v1);
1284	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1285	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1286	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1287	>	checkIncomplete(h0);
1288	>	checkIncomplete(h1);
1289	>	checkIncomplete(h2);
1290	>	assertTrue(f.complete(v1));
1291	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1292	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1293	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1294
1295	<	checkCompletedWithWrappedCancellationException(h);
1296	<	checkCancelled(g);
1297	<	assertEquals(0, r.invocationCount);
1295	>	checkCompletedNormally(h0, null);
1296	>	checkCompletedNormally(h1, null);
1297	>	checkCompletedNormally(h2, null);
1298	>	checkCompletedNormally(h3, null);
1299	>	checkCompletedNormally(h4, null);
1300	>	checkCompletedNormally(h5, null);
1301		checkCompletedNormally(f, v1);
1302	+	for (Noop r : rs) r.assertInvoked();
1303		}}
1304
1305	<	public void testThenCombine_sourceCancelled3() {
1305	>	/**
1306	>	* thenRun result completes exceptionally after exceptional
1307	>	* completion of source
1308	>	*/
1309	>	public void testThenRun_exceptionalCompletion() {
1310		for (ExecutionMode m : ExecutionMode.values())
1333	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1334	–	for (Integer v1 : new Integer[] { 1, null })
1311		{
1312	+	final CFException ex = new CFException();
1313		final CompletableFuture<Integer> f = new CompletableFuture<>();
1314	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1315	<	final SubtractFunction r = new SubtractFunction();
1339	<
1340	<	assertTrue(g.cancel(mayInterruptIfRunning));
1341	<	f.complete(v1);
1342	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1314	>	final Noop[] rs = new Noop[6];
1315	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1316
1317	<	checkCompletedWithWrappedCancellationException(h);
1318	<	checkCancelled(g);
1319	<	assertEquals(0, r.invocationCount);
1320	<	checkCompletedNormally(f, v1);
1317	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1318	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1319	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1320	>	checkIncomplete(h0);
1321	>	checkIncomplete(h1);
1322	>	checkIncomplete(h2);
1323	>	assertTrue(f.completeExceptionally(ex));
1324	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1325	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1326	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1327	>
1328	>	checkCompletedWithWrappedException(h0, ex);
1329	>	checkCompletedWithWrappedException(h1, ex);
1330	>	checkCompletedWithWrappedException(h2, ex);
1331	>	checkCompletedWithWrappedException(h3, ex);
1332	>	checkCompletedWithWrappedException(h4, ex);
1333	>	checkCompletedWithWrappedException(h5, ex);
1334	>	checkCompletedExceptionally(f, ex);
1335	>	for (Noop r : rs) r.assertNotInvoked();
1336		}}
1337
1338	<	public void testThenCombine_sourceCancelled4() {
1338	>	/**
1339	>	* thenRun result completes exceptionally if source cancelled
1340	>	*/
1341	>	public void testThenRun_sourceCancelled() {
1342		for (ExecutionMode m : ExecutionMode.values())
1343		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1353	–	for (Integer v1 : new Integer[] { 1, null })
1344		{
1345		final CompletableFuture<Integer> f = new CompletableFuture<>();
1346	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1347	<	final SubtractFunction r = new SubtractFunction();
1346	>	final Noop[] rs = new Noop[6];
1347	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1348
1349	+	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1350	+	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1351	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1352	+	checkIncomplete(h0);
1353	+	checkIncomplete(h1);
1354	+	checkIncomplete(h2);
1355		assertTrue(f.cancel(mayInterruptIfRunning));
1356	<	g.complete(v1);
1357	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1358	<
1359	<	checkCompletedWithWrappedCancellationException(h);
1356	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1357	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1358	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1359	>
1360	>	checkCompletedWithWrappedCancellationException(h0);
1361	>	checkCompletedWithWrappedCancellationException(h1);
1362	>	checkCompletedWithWrappedCancellationException(h2);
1363	>	checkCompletedWithWrappedCancellationException(h3);
1364	>	checkCompletedWithWrappedCancellationException(h4);
1365	>	checkCompletedWithWrappedCancellationException(h5);
1366		checkCancelled(f);
1367	<	assertEquals(0, r.invocationCount);
1366	<	checkCompletedNormally(g, v1);
1367	>	for (Noop r : rs) r.assertNotInvoked();
1368		}}
1369
1370		/**
1371	<	* thenAcceptBoth result completes normally after normal
1371	<	* completion of sources
1371	>	* thenRun result completes exceptionally if action does
1372		*/
1373	<	public void testThenAcceptBoth_normalCompletion1() {
1374	<	for (ExecutionMode m : ExecutionMode.values())
1375	<	for (Integer v1 : new Integer[] { 1, null })
1376	<	for (Integer v2 : new Integer[] { 2, null })
1377	<	{
1378	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1379	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1380	<	final SubtractAction r = new SubtractAction();
1381	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1382	<
1383	<	f.complete(v1);
1384	<	checkIncomplete(h);
1385	<	assertEquals(0, r.invocationCount);
1386	<	g.complete(v2);
1387	<
1388	<	checkCompletedNormally(h, null);
1389	<	assertEquals(subtract(v1, v2), r.value);
1390	<	checkCompletedNormally(f, v1);
1391	<	checkCompletedNormally(g, v2);
1392	<	}}
1393	<
1394	<	public void testThenAcceptBoth_normalCompletion2() {
1373	>	public void testThenRun_actionFailed() {
1374		for (ExecutionMode m : ExecutionMode.values())
1375		for (Integer v1 : new Integer[] { 1, null })
1397	–	for (Integer v2 : new Integer[] { 2, null })
1376		{
1377		final CompletableFuture<Integer> f = new CompletableFuture<>();
1378	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1379	<	final SubtractAction r = new SubtractAction();
1402	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1378	>	final FailingRunnable[] rs = new FailingRunnable[6];
1379	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1380
1381	<	g.complete(v2);
1382	<	checkIncomplete(h);
1383	<	assertEquals(0, r.invocationCount);
1384	<	f.complete(v1);
1381	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1382	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1383	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1384	>	assertTrue(f.complete(v1));
1385	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1386	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1387	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1388
1389	<	checkCompletedNormally(h, null);
1390	<	assertEquals(subtract(v1, v2), r.value);
1389	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1390	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1391	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1392	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1393	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1394	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1395		checkCompletedNormally(f, v1);
1412	–	checkCompletedNormally(g, v2);
1396		}}
1397
1398	<	public void testThenAcceptBoth_normalCompletion3() {
1398	>	/**
1399	>	* thenApply result completes normally after normal completion of source
1400	>	*/
1401	>	public void testThenApply_normalCompletion() {
1402		for (ExecutionMode m : ExecutionMode.values())
1403		for (Integer v1 : new Integer[] { 1, null })
1418	–	for (Integer v2 : new Integer[] { 2, null })
1404		{
1405		final CompletableFuture<Integer> f = new CompletableFuture<>();
1406	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1407	<	final SubtractAction r = new SubtractAction();
1406	>	final IncFunction[] rs = new IncFunction[4];
1407	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1408
1409	<	g.complete(v2);
1410	<	f.complete(v1);
1411	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1409	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1410	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1411	>	checkIncomplete(h0);
1412	>	checkIncomplete(h1);
1413	>	assertTrue(f.complete(v1));
1414	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1415	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1416
1417	<	checkCompletedNormally(h, null);
1418	<	assertEquals(subtract(v1, v2), r.value);
1417	>	checkCompletedNormally(h0, inc(v1));
1418	>	checkCompletedNormally(h1, inc(v1));
1419	>	checkCompletedNormally(h2, inc(v1));
1420	>	checkCompletedNormally(h3, inc(v1));
1421		checkCompletedNormally(f, v1);
1422	<	checkCompletedNormally(g, v2);
1432	<	}}
1433	<
1434	<	public void testThenAcceptBoth_normalCompletion4() {
1435	<	for (ExecutionMode m : ExecutionMode.values())
1436	<	for (Integer v1 : new Integer[] { 1, null })
1437	<	for (Integer v2 : new Integer[] { 2, null })
1438	<	{
1439	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1440	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1441	<	final SubtractAction r = new SubtractAction();
1442	<
1443	<	f.complete(v1);
1444	<	g.complete(v2);
1445	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1446	<
1447	<	checkCompletedNormally(h, null);
1448	<	assertEquals(subtract(v1, v2), r.value);
1449	<	checkCompletedNormally(f, v1);
1450	<	checkCompletedNormally(g, v2);
1422	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1423		}}
1424
1425		/**
1426	<	* thenAcceptBoth result completes exceptionally after exceptional
1427	<	* completion of either source
1426	>	* thenApply result completes exceptionally after exceptional
1427	>	* completion of source
1428		*/
1429	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1429	>	public void testThenApply_exceptionalCompletion() {
1430		for (ExecutionMode m : ExecutionMode.values())
1459	–	for (Integer v1 : new Integer[] { 1, null })
1431		{
1461	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1462	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1463	–	final SubtractAction r = new SubtractAction();
1464	–	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1432		final CFException ex = new CFException();
1466	–
1467	–	f.completeExceptionally(ex);
1468	–	checkIncomplete(h);
1469	–	g.complete(v1);
1470	–
1471	–	checkCompletedWithWrappedCFException(h, ex);
1472	–	checkCompletedWithWrappedCFException(f, ex);
1473	–	assertEquals(0, r.invocationCount);
1474	–	checkCompletedNormally(g, v1);
1475	–	}}
1476	–
1477	–	public void testThenAcceptBoth_exceptionalCompletion2() {
1478	–	for (ExecutionMode m : ExecutionMode.values())
1479	–	for (Integer v1 : new Integer[] { 1, null })
1480	–	{
1433		final CompletableFuture<Integer> f = new CompletableFuture<>();
1434	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1435	<	final SubtractAction r = new SubtractAction();
1484	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1485	<	final CFException ex = new CFException();
1486	<
1487	<	g.completeExceptionally(ex);
1488	<	checkIncomplete(h);
1489	<	f.complete(v1);
1434	>	final IncFunction[] rs = new IncFunction[4];
1435	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1436
1437	<	checkCompletedWithWrappedCFException(h, ex);
1438	<	checkCompletedWithWrappedCFException(g, ex);
1439	<	assertEquals(0, r.invocationCount);
1440	<	checkCompletedNormally(f, v1);
1437	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1438	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1439	>	assertTrue(f.completeExceptionally(ex));
1440	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1441	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1442	>
1443	>	checkCompletedWithWrappedException(h0, ex);
1444	>	checkCompletedWithWrappedException(h1, ex);
1445	>	checkCompletedWithWrappedException(h2, ex);
1446	>	checkCompletedWithWrappedException(h3, ex);
1447	>	checkCompletedExceptionally(f, ex);
1448	>	for (IncFunction r : rs) r.assertNotInvoked();
1449		}}
1450
1451	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1451	>	/**
1452	>	* thenApply result completes exceptionally if source cancelled
1453	>	*/
1454	>	public void testThenApply_sourceCancelled() {
1455		for (ExecutionMode m : ExecutionMode.values())
1456	<	for (Integer v1 : new Integer[] { 1, null })
1456	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1457		{
1458		final CompletableFuture<Integer> f = new CompletableFuture<>();
1459	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1460	<	final SubtractAction r = new SubtractAction();
1504	<	final CFException ex = new CFException();
1459	>	final IncFunction[] rs = new IncFunction[4];
1460	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1461
1462	<	g.completeExceptionally(ex);
1463	<	f.complete(v1);
1464	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1462	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1463	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1464	>	assertTrue(f.cancel(mayInterruptIfRunning));
1465	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1466	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1467
1468	<	checkCompletedWithWrappedCFException(h, ex);
1469	<	checkCompletedWithWrappedCFException(g, ex);
1470	<	assertEquals(0, r.invocationCount);
1471	<	checkCompletedNormally(f, v1);
1468	>	checkCompletedWithWrappedCancellationException(h0);
1469	>	checkCompletedWithWrappedCancellationException(h1);
1470	>	checkCompletedWithWrappedCancellationException(h2);
1471	>	checkCompletedWithWrappedCancellationException(h3);
1472	>	checkCancelled(f);
1473	>	for (IncFunction r : rs) r.assertNotInvoked();
1474		}}
1475
1476	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1476	>	/**
1477	>	* thenApply result completes exceptionally if action does
1478	>	*/
1479	>	public void testThenApply_actionFailed() {
1480		for (ExecutionMode m : ExecutionMode.values())
1481		for (Integer v1 : new Integer[] { 1, null })
1482		{
1483		final CompletableFuture<Integer> f = new CompletableFuture<>();
1484	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1485	<	final SubtractAction r = new SubtractAction();
1523	<	final CFException ex = new CFException();
1484	>	final FailingFunction[] rs = new FailingFunction[4];
1485	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1486
1487	<	f.completeExceptionally(ex);
1488	<	g.complete(v1);
1489	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1487	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1488	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1489	>	assertTrue(f.complete(v1));
1490	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1491	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1492
1493	<	checkCompletedWithWrappedCFException(h, ex);
1494	<	checkCompletedWithWrappedCFException(f, ex);
1495	<	assertEquals(0, r.invocationCount);
1496	<	checkCompletedNormally(g, v1);
1493	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1494	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1495	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1496	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1497	>	checkCompletedNormally(f, v1);
1498		}}
1499
1500		/**
1501	<	* thenAcceptBoth result completes exceptionally if action does
1501	>	* thenAccept result completes normally after normal completion of source
1502		*/
1503	<	public void testThenAcceptBoth_actionFailed1() {
1503	>	public void testThenAccept_normalCompletion() {
1504		for (ExecutionMode m : ExecutionMode.values())
1505		for (Integer v1 : new Integer[] { 1, null })
1541	–	for (Integer v2 : new Integer[] { 2, null })
1506		{
1507		final CompletableFuture<Integer> f = new CompletableFuture<>();
1508	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1509	<	final FailingBiConsumer r = new FailingBiConsumer();
1546	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1508	>	final NoopConsumer[] rs = new NoopConsumer[4];
1509	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1510
1511	<	f.complete(v1);
1512	<	checkIncomplete(h);
1513	<	g.complete(v2);
1511	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1512	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1513	>	checkIncomplete(h0);
1514	>	checkIncomplete(h1);
1515	>	assertTrue(f.complete(v1));
1516	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1517	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1518
1519	<	checkCompletedWithWrappedCFException(h);
1519	>	checkCompletedNormally(h0, null);
1520	>	checkCompletedNormally(h1, null);
1521	>	checkCompletedNormally(h2, null);
1522	>	checkCompletedNormally(h3, null);
1523		checkCompletedNormally(f, v1);
1524	<	checkCompletedNormally(g, v2);
1524	>	for (NoopConsumer r : rs) r.assertValue(v1);
1525		}}
1526
1527	<	public void testThenAcceptBoth_actionFailed2() {
1527	>	/**
1528	>	* thenAccept result completes exceptionally after exceptional
1529	>	* completion of source
1530	>	*/
1531	>	public void testThenAccept_exceptionalCompletion() {
1532		for (ExecutionMode m : ExecutionMode.values())
1559	–	for (Integer v1 : new Integer[] { 1, null })
1560	–	for (Integer v2 : new Integer[] { 2, null })
1533		{
1534	+	final CFException ex = new CFException();
1535		final CompletableFuture<Integer> f = new CompletableFuture<>();
1536	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1537	<	final FailingBiConsumer r = new FailingBiConsumer();
1565	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1536	>	final NoopConsumer[] rs = new NoopConsumer[4];
1537	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1538
1539	<	g.complete(v2);
1540	<	checkIncomplete(h);
1541	<	f.complete(v1);
1542	<
1543	<	checkCompletedWithWrappedCFException(h);
1544	<	checkCompletedNormally(f, v1);
1545	<	checkCompletedNormally(g, v2);
1539	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1540	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1541	>	assertTrue(f.completeExceptionally(ex));
1542	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1543	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1544	>
1545	>	checkCompletedWithWrappedException(h0, ex);
1546	>	checkCompletedWithWrappedException(h1, ex);
1547	>	checkCompletedWithWrappedException(h2, ex);
1548	>	checkCompletedWithWrappedException(h3, ex);
1549	>	checkCompletedExceptionally(f, ex);
1550	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1551		}}
1552
1553		/**
1554	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1554	>	* thenAccept result completes exceptionally if source cancelled
1555		*/
1556	<	public void testThenAcceptBoth_sourceCancelled1() {
1556	>	public void testThenAccept_sourceCancelled() {
1557		for (ExecutionMode m : ExecutionMode.values())
1558		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1582	–	for (Integer v1 : new Integer[] { 1, null })
1559		{
1560		final CompletableFuture<Integer> f = new CompletableFuture<>();
1561	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1562	<	final SubtractAction r = new SubtractAction();
1587	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1561	>	final NoopConsumer[] rs = new NoopConsumer[4];
1562	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1563
1564	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1565	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1566		assertTrue(f.cancel(mayInterruptIfRunning));
1567	<	checkIncomplete(h);
1568	<	g.complete(v1);
1567	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1568	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1569
1570	<	checkCompletedWithWrappedCancellationException(h);
1570	>	checkCompletedWithWrappedCancellationException(h0);
1571	>	checkCompletedWithWrappedCancellationException(h1);
1572	>	checkCompletedWithWrappedCancellationException(h2);
1573	>	checkCompletedWithWrappedCancellationException(h3);
1574		checkCancelled(f);
1575	<	assertEquals(0, r.invocationCount);
1596	<	checkCompletedNormally(g, v1);
1575	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1576		}}
1577
1578	<	public void testThenAcceptBoth_sourceCancelled2() {
1578	>	/**
1579	>	* thenAccept result completes exceptionally if action does
1580	>	*/
1581	>	public void testThenAccept_actionFailed() {
1582		for (ExecutionMode m : ExecutionMode.values())
1601	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1583		for (Integer v1 : new Integer[] { 1, null })
1584		{
1585		final CompletableFuture<Integer> f = new CompletableFuture<>();
1586	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1587	<	final SubtractAction r = new SubtractAction();
1607	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1586	>	final FailingConsumer[] rs = new FailingConsumer[4];
1587	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1588
1589	<	assertTrue(g.cancel(mayInterruptIfRunning));
1590	<	checkIncomplete(h);
1591	<	f.complete(v1);
1589	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1590	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1591	>	assertTrue(f.complete(v1));
1592	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1593	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1594
1595	<	checkCompletedWithWrappedCancellationException(h);
1596	<	checkCancelled(g);
1597	<	assertEquals(0, r.invocationCount);
1595	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1596	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1597	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1598	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1599		checkCompletedNormally(f, v1);
1600		}}
1601
1602	<	public void testThenAcceptBoth_sourceCancelled3() {
1602	>	/**
1603	>	* thenCombine result completes normally after normal completion
1604	>	* of sources
1605	>	*/
1606	>	public void testThenCombine_normalCompletion() {
1607		for (ExecutionMode m : ExecutionMode.values())
1608	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1608	>	for (boolean fFirst : new boolean[] { true, false })
1609		for (Integer v1 : new Integer[] { 1, null })
1610	+	for (Integer v2 : new Integer[] { 2, null })
1611		{
1612		final CompletableFuture<Integer> f = new CompletableFuture<>();
1613		final CompletableFuture<Integer> g = new CompletableFuture<>();
1614	<	final SubtractAction r = new SubtractAction();
1614	>	final SubtractFunction[] rs = new SubtractFunction[6];
1615	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1616
1617	<	assertTrue(g.cancel(mayInterruptIfRunning));
1618	<	f.complete(v1);
1619	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1617	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1618	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1619	>	final Integer w1 =  fFirst ? v1 : v2;
1620	>	final Integer w2 = !fFirst ? v1 : v2;
1621	>
1622	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1623	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1624	>	assertTrue(fst.complete(w1));
1625	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1626	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1627	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1628	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1629	>	checkCompletedNormally(h1, subtract(w1, w1));
1630	>	checkCompletedNormally(h3, subtract(w1, w1));
1631	>	rs[1].assertValue(subtract(w1, w1));
1632	>	rs[3].assertValue(subtract(w1, w1));
1633	>	assertTrue(snd.complete(w2));
1634	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1635	>
1636	>	checkCompletedNormally(h0, subtract(v1, v2));
1637	>	checkCompletedNormally(h2, subtract(v1, v2));
1638	>	checkCompletedNormally(h4, subtract(v1, v2));
1639	>	rs[0].assertValue(subtract(v1, v2));
1640	>	rs[2].assertValue(subtract(v1, v2));
1641	>	rs[4].assertValue(subtract(v1, v2));
1642
1632	–	checkCompletedWithWrappedCancellationException(h);
1633	–	checkCancelled(g);
1634	–	assertEquals(0, r.invocationCount);
1643		checkCompletedNormally(f, v1);
1644	<	}}
1637	<
1638	<	public void testThenAcceptBoth_sourceCancelled4() {
1639	<	for (ExecutionMode m : ExecutionMode.values())
1640	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1641	<	for (Integer v1 : new Integer[] { 1, null })
1642	<	{
1643	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1644	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1645	<	final SubtractAction r = new SubtractAction();
1646	<
1647	<	assertTrue(f.cancel(mayInterruptIfRunning));
1648	<	g.complete(v1);
1649	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1650	<
1651	<	checkCompletedWithWrappedCancellationException(h);
1652	<	checkCancelled(f);
1653	<	assertEquals(0, r.invocationCount);
1654	<	checkCompletedNormally(g, v1);
1644	>	checkCompletedNormally(g, v2);
1645		}}
1646
1647		/**
1648	<	* runAfterBoth result completes normally after normal
1649	<	* completion of sources
1648	>	* thenCombine result completes exceptionally after exceptional
1649	>	* completion of either source
1650		*/
1651	<	public void testRunAfterBoth_normalCompletion1() {
1651	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1652		for (ExecutionMode m : ExecutionMode.values())
1653	+	for (boolean fFirst : new boolean[] { true, false })
1654	+	for (boolean failFirst : new boolean[] { true, false })
1655		for (Integer v1 : new Integer[] { 1, null })
1664	–	for (Integer v2 : new Integer[] { 2, null })
1656		{
1657		final CompletableFuture<Integer> f = new CompletableFuture<>();
1658		final CompletableFuture<Integer> g = new CompletableFuture<>();
1659	<	final Noop r = new Noop();
1660	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1661	<
1662	<	f.complete(v1);
1663	<	checkIncomplete(h);
1664	<	assertEquals(0, r.invocationCount);
1665	<	g.complete(v2);
1666	<
1667	<	checkCompletedNormally(h, null);
1668	<	assertEquals(1, r.invocationCount);
1669	<	checkCompletedNormally(f, v1);
1670	<	checkCompletedNormally(g, v2);
1659	>	final CFException ex = new CFException();
1660	>	final SubtractFunction r1 = new SubtractFunction(m);
1661	>	final SubtractFunction r2 = new SubtractFunction(m);
1662	>	final SubtractFunction r3 = new SubtractFunction(m);
1663	>
1664	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1665	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1666	>	final Callable<Boolean> complete1 = failFirst ?
1667	>	() -> fst.completeExceptionally(ex) :
1668	>	() -> fst.complete(v1);
1669	>	final Callable<Boolean> complete2 = failFirst ?
1670	>	() -> snd.complete(v1) :
1671	>	() -> snd.completeExceptionally(ex);
1672	>
1673	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1674	>	assertTrue(complete1.call());
1675	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1676	>	checkIncomplete(h1);
1677	>	checkIncomplete(h2);
1678	>	assertTrue(complete2.call());
1679	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1680	>
1681	>	checkCompletedWithWrappedException(h1, ex);
1682	>	checkCompletedWithWrappedException(h2, ex);
1683	>	checkCompletedWithWrappedException(h3, ex);
1684	>	r1.assertNotInvoked();
1685	>	r2.assertNotInvoked();
1686	>	r3.assertNotInvoked();
1687	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1688	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1689		}}
1690
1691	<	public void testRunAfterBoth_normalCompletion2() {
1691	>	/**
1692	>	* thenCombine result completes exceptionally if either source cancelled
1693	>	*/
1694	>	public void testThenCombine_sourceCancelled() throws Throwable {
1695		for (ExecutionMode m : ExecutionMode.values())
1696	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1697	+	for (boolean fFirst : new boolean[] { true, false })
1698	+	for (boolean failFirst : new boolean[] { true, false })
1699		for (Integer v1 : new Integer[] { 1, null })
1685	–	for (Integer v2 : new Integer[] { 2, null })
1700		{
1701		final CompletableFuture<Integer> f = new CompletableFuture<>();
1702		final CompletableFuture<Integer> g = new CompletableFuture<>();
1703	<	final Noop r = new Noop();
1704	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1705	<
1706	<	g.complete(v2);
1707	<	checkIncomplete(h);
1708	<	assertEquals(0, r.invocationCount);
1709	<	f.complete(v1);
1710	<
1711	<	checkCompletedNormally(h, null);
1712	<	assertEquals(1, r.invocationCount);
1713	<	checkCompletedNormally(f, v1);
1714	<	checkCompletedNormally(g, v2);
1703	>	final SubtractFunction r1 = new SubtractFunction(m);
1704	>	final SubtractFunction r2 = new SubtractFunction(m);
1705	>	final SubtractFunction r3 = new SubtractFunction(m);
1706	>
1707	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1708	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1709	>	final Callable<Boolean> complete1 = failFirst ?
1710	>	() -> fst.cancel(mayInterruptIfRunning) :
1711	>	() -> fst.complete(v1);
1712	>	final Callable<Boolean> complete2 = failFirst ?
1713	>	() -> snd.complete(v1) :
1714	>	() -> snd.cancel(mayInterruptIfRunning);
1715	>
1716	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1717	>	assertTrue(complete1.call());
1718	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1719	>	checkIncomplete(h1);
1720	>	checkIncomplete(h2);
1721	>	assertTrue(complete2.call());
1722	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1723	>
1724	>	checkCompletedWithWrappedCancellationException(h1);
1725	>	checkCompletedWithWrappedCancellationException(h2);
1726	>	checkCompletedWithWrappedCancellationException(h3);
1727	>	r1.assertNotInvoked();
1728	>	r2.assertNotInvoked();
1729	>	r3.assertNotInvoked();
1730	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1731	>	checkCancelled(failFirst ? fst : snd);
1732		}}
1733
1734	<	public void testRunAfterBoth_normalCompletion3() {
1734	>	/**
1735	>	* thenCombine result completes exceptionally if action does
1736	>	*/
1737	>	public void testThenCombine_actionFailed() {
1738		for (ExecutionMode m : ExecutionMode.values())
1739	+	for (boolean fFirst : new boolean[] { true, false })
1740		for (Integer v1 : new Integer[] { 1, null })
1741		for (Integer v2 : new Integer[] { 2, null })
1742		{
1743		final CompletableFuture<Integer> f = new CompletableFuture<>();
1744		final CompletableFuture<Integer> g = new CompletableFuture<>();
1745	<	final Noop r = new Noop();
1746	<
1747	<	g.complete(v2);
1748	<	f.complete(v1);
1749	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1750	<
1751	<	checkCompletedNormally(h, null);
1752	<	assertEquals(1, r.invocationCount);
1745	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1746	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1747	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1748	>
1749	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1750	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1751	>	final Integer w1 =  fFirst ? v1 : v2;
1752	>	final Integer w2 = !fFirst ? v1 : v2;
1753	>
1754	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1755	>	assertTrue(fst.complete(w1));
1756	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1757	>	assertTrue(snd.complete(w2));
1758	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1759	>
1760	>	checkCompletedWithWrappedException(h1, r1.ex);
1761	>	checkCompletedWithWrappedException(h2, r2.ex);
1762	>	checkCompletedWithWrappedException(h3, r3.ex);
1763	>	r1.assertInvoked();
1764	>	r2.assertInvoked();
1765	>	r3.assertInvoked();
1766		checkCompletedNormally(f, v1);
1767		checkCompletedNormally(g, v2);
1768		}}
1769
1770	<	public void testRunAfterBoth_normalCompletion4() {
1770	>	/**
1771	>	* thenAcceptBoth result completes normally after normal
1772	>	* completion of sources
1773	>	*/
1774	>	public void testThenAcceptBoth_normalCompletion() {
1775		for (ExecutionMode m : ExecutionMode.values())
1776	+	for (boolean fFirst : new boolean[] { true, false })
1777		for (Integer v1 : new Integer[] { 1, null })
1778		for (Integer v2 : new Integer[] { 2, null })
1779		{
1780		final CompletableFuture<Integer> f = new CompletableFuture<>();
1781		final CompletableFuture<Integer> g = new CompletableFuture<>();
1782	<	final Noop r = new Noop();
1783	<
1784	<	f.complete(v1);
1785	<	g.complete(v2);
1786	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1787	<
1788	<	checkCompletedNormally(h, null);
1789	<	assertEquals(1, r.invocationCount);
1782	>	final SubtractAction r1 = new SubtractAction(m);
1783	>	final SubtractAction r2 = new SubtractAction(m);
1784	>	final SubtractAction r3 = new SubtractAction(m);
1785	>
1786	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1787	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1788	>	final Integer w1 =  fFirst ? v1 : v2;
1789	>	final Integer w2 = !fFirst ? v1 : v2;
1790	>
1791	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1792	>	assertTrue(fst.complete(w1));
1793	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1794	>	checkIncomplete(h1);
1795	>	checkIncomplete(h2);
1796	>	r1.assertNotInvoked();
1797	>	r2.assertNotInvoked();
1798	>	assertTrue(snd.complete(w2));
1799	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1800	>
1801	>	checkCompletedNormally(h1, null);
1802	>	checkCompletedNormally(h2, null);
1803	>	checkCompletedNormally(h3, null);
1804	>	r1.assertValue(subtract(v1, v2));
1805	>	r2.assertValue(subtract(v1, v2));
1806	>	r3.assertValue(subtract(v1, v2));
1807		checkCompletedNormally(f, v1);
1808		checkCompletedNormally(g, v2);
1809		}}
1810
1811		/**
1812	<	* runAfterBoth result completes exceptionally after exceptional
1812	>	* thenAcceptBoth result completes exceptionally after exceptional
1813		* completion of either source
1814		*/
1815	<	public void testRunAfterBoth_exceptionalCompletion1() {
1746	<	for (ExecutionMode m : ExecutionMode.values())
1747	<	for (Integer v1 : new Integer[] { 1, null })
1748	<	{
1749	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1750	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1751	<	final Noop r = new Noop();
1752	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1753	<	final CFException ex = new CFException();
1754	<
1755	<	f.completeExceptionally(ex);
1756	<	checkIncomplete(h);
1757	<	g.complete(v1);
1758	<
1759	<	checkCompletedWithWrappedCFException(h, ex);
1760	<	checkCompletedWithWrappedCFException(f, ex);
1761	<	assertEquals(0, r.invocationCount);
1762	<	checkCompletedNormally(g, v1);
1763	<	}}
1764	<
1765	<	public void testRunAfterBoth_exceptionalCompletion2() {
1815	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1816		for (ExecutionMode m : ExecutionMode.values())
1817	+	for (boolean fFirst : new boolean[] { true, false })
1818	+	for (boolean failFirst : new boolean[] { true, false })
1819		for (Integer v1 : new Integer[] { 1, null })
1820		{
1821		final CompletableFuture<Integer> f = new CompletableFuture<>();
1822		final CompletableFuture<Integer> g = new CompletableFuture<>();
1771	–	final Noop r = new Noop();
1772	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1823		final CFException ex = new CFException();
1824	<
1825	<	g.completeExceptionally(ex);
1826	<	checkIncomplete(h);
1827	<	f.complete(v1);
1828	<
1829	<	checkCompletedWithWrappedCFException(h, ex);
1830	<	checkCompletedWithWrappedCFException(g, ex);
1831	<	assertEquals(0, r.invocationCount);
1832	<	checkCompletedNormally(f, v1);
1824	>	final SubtractAction r1 = new SubtractAction(m);
1825	>	final SubtractAction r2 = new SubtractAction(m);
1826	>	final SubtractAction r3 = new SubtractAction(m);
1827	>
1828	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1829	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1830	>	final Callable<Boolean> complete1 = failFirst ?
1831	>	() -> fst.completeExceptionally(ex) :
1832	>	() -> fst.complete(v1);
1833	>	final Callable<Boolean> complete2 = failFirst ?
1834	>	() -> snd.complete(v1) :
1835	>	() -> snd.completeExceptionally(ex);
1836	>
1837	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1838	>	assertTrue(complete1.call());
1839	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1840	>	checkIncomplete(h1);
1841	>	checkIncomplete(h2);
1842	>	assertTrue(complete2.call());
1843	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1844	>
1845	>	checkCompletedWithWrappedException(h1, ex);
1846	>	checkCompletedWithWrappedException(h2, ex);
1847	>	checkCompletedWithWrappedException(h3, ex);
1848	>	r1.assertNotInvoked();
1849	>	r2.assertNotInvoked();
1850	>	r3.assertNotInvoked();
1851	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1852	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1853		}}
1854
1855	<	public void testRunAfterBoth_exceptionalCompletion3() {
1856	<	for (ExecutionMode m : ExecutionMode.values())
1857	<	for (Integer v1 : new Integer[] { 1, null })
1858	<	{
1789	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1790	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1791	<	final Noop r = new Noop();
1792	<	final CFException ex = new CFException();
1793	<
1794	<	g.completeExceptionally(ex);
1795	<	f.complete(v1);
1796	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1797	<
1798	<	checkCompletedWithWrappedCFException(h, ex);
1799	<	checkCompletedWithWrappedCFException(g, ex);
1800	<	assertEquals(0, r.invocationCount);
1801	<	checkCompletedNormally(f, v1);
1802	<	}}
1803	<
1804	<	public void testRunAfterBoth_exceptionalCompletion4() {
1855	>	/**
1856	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1857	>	*/
1858	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1859		for (ExecutionMode m : ExecutionMode.values())
1860	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1861	+	for (boolean fFirst : new boolean[] { true, false })
1862	+	for (boolean failFirst : new boolean[] { true, false })
1863		for (Integer v1 : new Integer[] { 1, null })
1864		{
1865		final CompletableFuture<Integer> f = new CompletableFuture<>();
1866		final CompletableFuture<Integer> g = new CompletableFuture<>();
1867	<	final Noop r = new Noop();
1868	<	final CFException ex = new CFException();
1869	<
1870	<	f.completeExceptionally(ex);
1871	<	g.complete(v1);
1872	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1873	<
1874	<	checkCompletedWithWrappedCFException(h, ex);
1875	<	checkCompletedWithWrappedCFException(f, ex);
1876	<	assertEquals(0, r.invocationCount);
1877	<	checkCompletedNormally(g, v1);
1867	>	final SubtractAction r1 = new SubtractAction(m);
1868	>	final SubtractAction r2 = new SubtractAction(m);
1869	>	final SubtractAction r3 = new SubtractAction(m);
1870	>
1871	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1872	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1873	>	final Callable<Boolean> complete1 = failFirst ?
1874	>	() -> fst.cancel(mayInterruptIfRunning) :
1875	>	() -> fst.complete(v1);
1876	>	final Callable<Boolean> complete2 = failFirst ?
1877	>	() -> snd.complete(v1) :
1878	>	() -> snd.cancel(mayInterruptIfRunning);
1879	>
1880	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1881	>	assertTrue(complete1.call());
1882	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1883	>	checkIncomplete(h1);
1884	>	checkIncomplete(h2);
1885	>	assertTrue(complete2.call());
1886	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1887	>
1888	>	checkCompletedWithWrappedCancellationException(h1);
1889	>	checkCompletedWithWrappedCancellationException(h2);
1890	>	checkCompletedWithWrappedCancellationException(h3);
1891	>	r1.assertNotInvoked();
1892	>	r2.assertNotInvoked();
1893	>	r3.assertNotInvoked();
1894	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1895	>	checkCancelled(failFirst ? fst : snd);
1896		}}
1897
1898		/**
1899	<	* runAfterBoth result completes exceptionally if action does
1899	>	* thenAcceptBoth result completes exceptionally if action does
1900		*/
1901	<	public void testRunAfterBoth_actionFailed1() {
1901	>	public void testThenAcceptBoth_actionFailed() {
1902		for (ExecutionMode m : ExecutionMode.values())
1903	+	for (boolean fFirst : new boolean[] { true, false })
1904		for (Integer v1 : new Integer[] { 1, null })
1905		for (Integer v2 : new Integer[] { 2, null })
1906		{
1907		final CompletableFuture<Integer> f = new CompletableFuture<>();
1908		final CompletableFuture<Integer> g = new CompletableFuture<>();
1909	<	final FailingNoop r = new FailingNoop();
1910	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1911	<
1912	<	f.complete(v1);
1913	<	checkIncomplete(h);
1914	<	g.complete(v2);
1915	<
1916	<	checkCompletedWithWrappedCFException(h);
1909	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1910	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1911	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1912	>
1913	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1914	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1915	>	final Integer w1 =  fFirst ? v1 : v2;
1916	>	final Integer w2 = !fFirst ? v1 : v2;
1917	>
1918	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1919	>	assertTrue(fst.complete(w1));
1920	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1921	>	assertTrue(snd.complete(w2));
1922	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1923	>
1924	>	checkCompletedWithWrappedException(h1, r1.ex);
1925	>	checkCompletedWithWrappedException(h2, r2.ex);
1926	>	checkCompletedWithWrappedException(h3, r3.ex);
1927	>	r1.assertInvoked();
1928	>	r2.assertInvoked();
1929	>	r3.assertInvoked();
1930		checkCompletedNormally(f, v1);
1931		checkCompletedNormally(g, v2);
1932		}}
1933
1934	<	public void testRunAfterBoth_actionFailed2() {
1934	>	/**
1935	>	* runAfterBoth result completes normally after normal
1936	>	* completion of sources
1937	>	*/
1938	>	public void testRunAfterBoth_normalCompletion() {
1939		for (ExecutionMode m : ExecutionMode.values())
1940	+	for (boolean fFirst : new boolean[] { true, false })
1941		for (Integer v1 : new Integer[] { 1, null })
1942		for (Integer v2 : new Integer[] { 2, null })
1943		{
1944		final CompletableFuture<Integer> f = new CompletableFuture<>();
1945		final CompletableFuture<Integer> g = new CompletableFuture<>();
1946	<	final FailingNoop r = new FailingNoop();
1947	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1948	<
1949	<	g.complete(v2);
1950	<	checkIncomplete(h);
1951	<	f.complete(v1);
1952	<
1953	<	checkCompletedWithWrappedCFException(h);
1946	>	final Noop r1 = new Noop(m);
1947	>	final Noop r2 = new Noop(m);
1948	>	final Noop r3 = new Noop(m);
1949	>
1950	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1951	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1952	>	final Integer w1 =  fFirst ? v1 : v2;
1953	>	final Integer w2 = !fFirst ? v1 : v2;
1954	>
1955	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1956	>	assertTrue(fst.complete(w1));
1957	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1958	>	checkIncomplete(h1);
1959	>	checkIncomplete(h2);
1960	>	r1.assertNotInvoked();
1961	>	r2.assertNotInvoked();
1962	>	assertTrue(snd.complete(w2));
1963	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1964	>
1965	>	checkCompletedNormally(h1, null);
1966	>	checkCompletedNormally(h2, null);
1967	>	checkCompletedNormally(h3, null);
1968	>	r1.assertInvoked();
1969	>	r2.assertInvoked();
1970	>	r3.assertInvoked();
1971		checkCompletedNormally(f, v1);
1972		checkCompletedNormally(g, v2);
1973		}}
1974
1975		/**
1976	<	* runAfterBoth result completes exceptionally if either source cancelled
1976	>	* runAfterBoth result completes exceptionally after exceptional
1977	>	* completion of either source
1978		*/
1979	<	public void testRunAfterBoth_sourceCancelled1() {
1868	<	for (ExecutionMode m : ExecutionMode.values())
1869	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1870	<	for (Integer v1 : new Integer[] { 1, null })
1871	<	{
1872	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1873	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1874	<	final Noop r = new Noop();
1875	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1876	<
1877	<	assertTrue(f.cancel(mayInterruptIfRunning));
1878	<	checkIncomplete(h);
1879	<	g.complete(v1);
1880	<
1881	<	checkCompletedWithWrappedCancellationException(h);
1882	<	checkCancelled(f);
1883	<	assertEquals(0, r.invocationCount);
1884	<	checkCompletedNormally(g, v1);
1885	<	}}
1886	<
1887	<	public void testRunAfterBoth_sourceCancelled2() {
1979	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1980		for (ExecutionMode m : ExecutionMode.values())
1981	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1982	<	for (Integer v1 : new Integer[] { 1, null })
1891	<	{
1892	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1893	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1894	<	final Noop r = new Noop();
1895	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1896	<
1897	<	assertTrue(g.cancel(mayInterruptIfRunning));
1898	<	checkIncomplete(h);
1899	<	f.complete(v1);
1900	<
1901	<	checkCompletedWithWrappedCancellationException(h);
1902	<	checkCancelled(g);
1903	<	assertEquals(0, r.invocationCount);
1904	<	checkCompletedNormally(f, v1);
1905	<	}}
1906	<
1907	<	public void testRunAfterBoth_sourceCancelled3() {
1908	<	for (ExecutionMode m : ExecutionMode.values())
1909	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1981	>	for (boolean fFirst : new boolean[] { true, false })
1982	>	for (boolean failFirst : new boolean[] { true, false })
1983		for (Integer v1 : new Integer[] { 1, null })
1984		{
1985		final CompletableFuture<Integer> f = new CompletableFuture<>();
1986		final CompletableFuture<Integer> g = new CompletableFuture<>();
1987	<	final Noop r = new Noop();
1988	<
1989	<	assertTrue(g.cancel(mayInterruptIfRunning));
1990	<	f.complete(v1);
1991	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1992	<
1993	<	checkCompletedWithWrappedCancellationException(h);
1994	<	checkCancelled(g);
1995	<	assertEquals(0, r.invocationCount);
1996	<	checkCompletedNormally(f, v1);
1987	>	final CFException ex = new CFException();
1988	>	final Noop r1 = new Noop(m);
1989	>	final Noop r2 = new Noop(m);
1990	>	final Noop r3 = new Noop(m);
1991	>
1992	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1993	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1994	>	final Callable<Boolean> complete1 = failFirst ?
1995	>	() -> fst.completeExceptionally(ex) :
1996	>	() -> fst.complete(v1);
1997	>	final Callable<Boolean> complete2 = failFirst ?
1998	>	() -> snd.complete(v1) :
1999	>	() -> snd.completeExceptionally(ex);
2000	>
2001	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2002	>	assertTrue(complete1.call());
2003	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2004	>	checkIncomplete(h1);
2005	>	checkIncomplete(h2);
2006	>	assertTrue(complete2.call());
2007	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2008	>
2009	>	checkCompletedWithWrappedException(h1, ex);
2010	>	checkCompletedWithWrappedException(h2, ex);
2011	>	checkCompletedWithWrappedException(h3, ex);
2012	>	r1.assertNotInvoked();
2013	>	r2.assertNotInvoked();
2014	>	r3.assertNotInvoked();
2015	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2016	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2017		}}
2018
2019	<	public void testRunAfterBoth_sourceCancelled4() {
2019	>	/**
2020	>	* runAfterBoth result completes exceptionally if either source cancelled
2021	>	*/
2022	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2023		for (ExecutionMode m : ExecutionMode.values())
2024		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2025	+	for (boolean fFirst : new boolean[] { true, false })
2026	+	for (boolean failFirst : new boolean[] { true, false })
2027		for (Integer v1 : new Integer[] { 1, null })
2028		{
2029		final CompletableFuture<Integer> f = new CompletableFuture<>();
2030		final CompletableFuture<Integer> g = new CompletableFuture<>();
2031	<	final Noop r = new Noop();
2032	<
2033	<	assertTrue(f.cancel(mayInterruptIfRunning));
2034	<	g.complete(v1);
2035	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2036	<
2037	<	checkCompletedWithWrappedCancellationException(h);
2038	<	checkCancelled(f);
2039	<	assertEquals(0, r.invocationCount);
2040	<	checkCompletedNormally(g, v1);
2031	>	final Noop r1 = new Noop(m);
2032	>	final Noop r2 = new Noop(m);
2033	>	final Noop r3 = new Noop(m);
2034	>
2035	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2036	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2037	>	final Callable<Boolean> complete1 = failFirst ?
2038	>	() -> fst.cancel(mayInterruptIfRunning) :
2039	>	() -> fst.complete(v1);
2040	>	final Callable<Boolean> complete2 = failFirst ?
2041	>	() -> snd.complete(v1) :
2042	>	() -> snd.cancel(mayInterruptIfRunning);
2043	>
2044	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2045	>	assertTrue(complete1.call());
2046	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2047	>	checkIncomplete(h1);
2048	>	checkIncomplete(h2);
2049	>	assertTrue(complete2.call());
2050	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2051	>
2052	>	checkCompletedWithWrappedCancellationException(h1);
2053	>	checkCompletedWithWrappedCancellationException(h2);
2054	>	checkCompletedWithWrappedCancellationException(h3);
2055	>	r1.assertNotInvoked();
2056	>	r2.assertNotInvoked();
2057	>	r3.assertNotInvoked();
2058	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2059	>	checkCancelled(failFirst ? fst : snd);
2060		}}
2061
2062		/**
2063	<	* applyToEither result completes normally after normal completion
1947	<	* of either source
2063	>	* runAfterBoth result completes exceptionally if action does
2064		*/
2065	<	public void testApplyToEither_normalCompletion1() {
2065	>	public void testRunAfterBoth_actionFailed() {
2066		for (ExecutionMode m : ExecutionMode.values())
2067	+	for (boolean fFirst : new boolean[] { true, false })
2068		for (Integer v1 : new Integer[] { 1, null })
2069		for (Integer v2 : new Integer[] { 2, null })
2070		{
2071		final CompletableFuture<Integer> f = new CompletableFuture<>();
2072		final CompletableFuture<Integer> g = new CompletableFuture<>();
2073	<	final IncFunction r = new IncFunction();
2074	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2075	<
2076	<	f.complete(v1);
2077	<	checkCompletedNormally(h, inc(v1));
2078	<	g.complete(v2);
2079	<
2073	>	final FailingRunnable r1 = new FailingRunnable(m);
2074	>	final FailingRunnable r2 = new FailingRunnable(m);
2075	>	final FailingRunnable r3 = new FailingRunnable(m);
2076	>
2077	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2078	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2079	>	final Integer w1 =  fFirst ? v1 : v2;
2080	>	final Integer w2 = !fFirst ? v1 : v2;
2081	>
2082	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2083	>	assertTrue(fst.complete(w1));
2084	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2085	>	assertTrue(snd.complete(w2));
2086	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2087	>
2088	>	checkCompletedWithWrappedException(h1, r1.ex);
2089	>	checkCompletedWithWrappedException(h2, r2.ex);
2090	>	checkCompletedWithWrappedException(h3, r3.ex);
2091	>	r1.assertInvoked();
2092	>	r2.assertInvoked();
2093	>	r3.assertInvoked();
2094		checkCompletedNormally(f, v1);
2095		checkCompletedNormally(g, v2);
1965	–	checkCompletedNormally(h, inc(v1));
2096		}}
2097
2098	<	public void testApplyToEither_normalCompletion2() {
2098	>	/**
2099	>	* applyToEither result completes normally after normal completion
2100	>	* of either source
2101	>	*/
2102	>	public void testApplyToEither_normalCompletion() {
2103		for (ExecutionMode m : ExecutionMode.values())
2104		for (Integer v1 : new Integer[] { 1, null })
2105		for (Integer v2 : new Integer[] { 2, null })
2106		{
2107		final CompletableFuture<Integer> f = new CompletableFuture<>();
2108		final CompletableFuture<Integer> g = new CompletableFuture<>();
2109	<	final IncFunction r = new IncFunction();
2110	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2109	>	final IncFunction[] rs = new IncFunction[6];
2110	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2111
2112	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2113	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2114	+	checkIncomplete(h0);
2115	+	checkIncomplete(h1);
2116	+	rs[0].assertNotInvoked();
2117	+	rs[1].assertNotInvoked();
2118	+	f.complete(v1);
2119	+	checkCompletedNormally(h0, inc(v1));
2120	+	checkCompletedNormally(h1, inc(v1));
2121	+	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2122	+	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2123	+	checkCompletedNormally(h2, inc(v1));
2124	+	checkCompletedNormally(h3, inc(v1));
2125		g.complete(v2);
1979	–	checkCompletedNormally(h, inc(v2));
1980	–	f.complete(v1);
2126
2127	<	checkCompletedNormally(f, v1);
2128	<	checkCompletedNormally(g, v2);
2129	<	checkCompletedNormally(h, inc(v2));
2130	<	}}
2131	<
2132	<	public void testApplyToEither_normalCompletion3() {
2133	<	for (ExecutionMode m : ExecutionMode.values())
2134	<	for (Integer v1 : new Integer[] { 1, null })
2135	<	for (Integer v2 : new Integer[] { 2, null })
1991	<	{
1992	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1993	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1994	<	final IncFunction r = new IncFunction();
1995	<
1996	<	f.complete(v1);
1997	<	g.complete(v2);
1998	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2127	>	// unspecified behavior - both source completions available
2128	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2129	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2130	>	rs[4].assertValue(h4.join());
2131	>	rs[5].assertValue(h5.join());
2132	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2133	>	Objects.equals(inc(v2), h4.join()));
2134	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2135	>	Objects.equals(inc(v2), h5.join()));
2136
2137		checkCompletedNormally(f, v1);
2138		checkCompletedNormally(g, v2);
2139	<
2140	<	// unspecified behavior
2141	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2142	<	Objects.equals(h.join(), inc(v2)));
2143	<	assertEquals(1, r.invocationCount);
2139	>	checkCompletedNormally(h0, inc(v1));
2140	>	checkCompletedNormally(h1, inc(v1));
2141	>	checkCompletedNormally(h2, inc(v1));
2142	>	checkCompletedNormally(h3, inc(v1));
2143	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2144		}}
2145
2146		/**
2147		* applyToEither result completes exceptionally after exceptional
2148		* completion of either source
2149		*/
2150	<	public void testApplyToEither_exceptionalCompletion1() {
2150	>	public void testApplyToEither_exceptionalCompletion() {
2151		for (ExecutionMode m : ExecutionMode.values())
2152		for (Integer v1 : new Integer[] { 1, null })
2153		{
2154		final CompletableFuture<Integer> f = new CompletableFuture<>();
2155		final CompletableFuture<Integer> g = new CompletableFuture<>();
2019	–	final IncFunction r = new IncFunction();
2020	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2156		final CFException ex = new CFException();
2157	+	final IncFunction[] rs = new IncFunction[6];
2158	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2159
2160	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2161	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2162	+	checkIncomplete(h0);
2163	+	checkIncomplete(h1);
2164	+	rs[0].assertNotInvoked();
2165	+	rs[1].assertNotInvoked();
2166		f.completeExceptionally(ex);
2167	<	checkCompletedWithWrappedCFException(h, ex);
2167	>	checkCompletedWithWrappedException(h0, ex);
2168	>	checkCompletedWithWrappedException(h1, ex);
2169	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2170	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2171	>	checkCompletedWithWrappedException(h2, ex);
2172	>	checkCompletedWithWrappedException(h3, ex);
2173		g.complete(v1);
2174
2175	<	assertEquals(0, r.invocationCount);
2175	>	// unspecified behavior - both source completions available
2176	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2177	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2178	>	try {
2179	>	assertEquals(inc(v1), h4.join());
2180	>	rs[4].assertValue(inc(v1));
2181	>	} catch (CompletionException ok) {
2182	>	checkCompletedWithWrappedException(h4, ex);
2183	>	rs[4].assertNotInvoked();
2184	>	}
2185	>	try {
2186	>	assertEquals(inc(v1), h5.join());
2187	>	rs[5].assertValue(inc(v1));
2188	>	} catch (CompletionException ok) {
2189	>	checkCompletedWithWrappedException(h5, ex);
2190	>	rs[5].assertNotInvoked();
2191	>	}
2192	>
2193	>	checkCompletedExceptionally(f, ex);
2194		checkCompletedNormally(g, v1);
2195	<	checkCompletedWithWrappedCFException(f, ex);
2196	<	checkCompletedWithWrappedCFException(h, ex);
2195	>	checkCompletedWithWrappedException(h0, ex);
2196	>	checkCompletedWithWrappedException(h1, ex);
2197	>	checkCompletedWithWrappedException(h2, ex);
2198	>	checkCompletedWithWrappedException(h3, ex);
2199	>	checkCompletedWithWrappedException(h4, ex);
2200	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2201		}}
2202
2203		public void testApplyToEither_exceptionalCompletion2() {
2204		for (ExecutionMode m : ExecutionMode.values())
2205	+	for (boolean fFirst : new boolean[] { true, false })
2206		for (Integer v1 : new Integer[] { 1, null })
2207		{
2208		final CompletableFuture<Integer> f = new CompletableFuture<>();
2209		final CompletableFuture<Integer> g = new CompletableFuture<>();
2039	–	final IncFunction r = new IncFunction();
2040	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2041	–	final CFException ex = new CFException();
2042	–
2043	–	g.completeExceptionally(ex);
2044	–	checkCompletedWithWrappedCFException(h, ex);
2045	–	f.complete(v1);
2046	–
2047	–	assertEquals(0, r.invocationCount);
2048	–	checkCompletedNormally(f, v1);
2049	–	checkCompletedWithWrappedCFException(g, ex);
2050	–	checkCompletedWithWrappedCFException(h, ex);
2051	–	}}
2052	–
2053	–	public void testApplyToEither_exceptionalCompletion3() {
2054	–	for (ExecutionMode m : ExecutionMode.values())
2055	–	for (Integer v1 : new Integer[] { 1, null })
2056	–	{
2057	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2058	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2059	–	final IncFunction r = new IncFunction();
2210		final CFException ex = new CFException();
2211	+	final IncFunction[] rs = new IncFunction[6];
2212	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2213
2214	<	g.completeExceptionally(ex);
2215	<	f.complete(v1);
2216	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2214	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2215	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2216	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2217	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2218	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2219	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2220
2221	<	// unspecified behavior
2067	<	Integer v;
2221	>	// unspecified behavior - both source completions available
2222		try {
2223	<	assertEquals(inc(v1), h.join());
2224	<	assertEquals(1, r.invocationCount);
2223	>	assertEquals(inc(v1), h0.join());
2224	>	rs[0].assertValue(inc(v1));
2225		} catch (CompletionException ok) {
2226	<	checkCompletedWithWrappedCFException(h, ex);
2227	<	assertEquals(0, r.invocationCount);
2226	>	checkCompletedWithWrappedException(h0, ex);
2227	>	rs[0].assertNotInvoked();
2228		}
2075	–
2076	–	checkCompletedWithWrappedCFException(g, ex);
2077	–	checkCompletedNormally(f, v1);
2078	–	}}
2079	–
2080	–	public void testApplyToEither_exceptionalCompletion4() {
2081	–	for (ExecutionMode m : ExecutionMode.values())
2082	–	for (Integer v1 : new Integer[] { 1, null })
2083	–	{
2084	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2085	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2086	–	final IncFunction r = new IncFunction();
2087	–	final CFException ex = new CFException();
2088	–
2089	–	f.completeExceptionally(ex);
2090	–	g.complete(v1);
2091	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2092	–
2093	–	// unspecified behavior
2094	–	Integer v;
2229		try {
2230	<	assertEquals(inc(v1), h.join());
2231	<	assertEquals(1, r.invocationCount);
2230	>	assertEquals(inc(v1), h1.join());
2231	>	rs[1].assertValue(inc(v1));
2232		} catch (CompletionException ok) {
2233	<	checkCompletedWithWrappedCFException(h, ex);
2234	<	assertEquals(0, r.invocationCount);
2233	>	checkCompletedWithWrappedException(h1, ex);
2234	>	rs[1].assertNotInvoked();
2235	>	}
2236	>	try {
2237	>	assertEquals(inc(v1), h2.join());
2238	>	rs[2].assertValue(inc(v1));
2239	>	} catch (CompletionException ok) {
2240	>	checkCompletedWithWrappedException(h2, ex);
2241	>	rs[2].assertNotInvoked();
2242	>	}
2243	>	try {
2244	>	assertEquals(inc(v1), h3.join());
2245	>	rs[3].assertValue(inc(v1));
2246	>	} catch (CompletionException ok) {
2247	>	checkCompletedWithWrappedException(h3, ex);
2248	>	rs[3].assertNotInvoked();
2249		}
2250
2103	–	checkCompletedWithWrappedCFException(f, ex);
2104	–	checkCompletedNormally(g, v1);
2105	–	}}
2106	–
2107	–	/**
2108	–	* applyToEither result completes exceptionally if action does
2109	–	*/
2110	–	public void testApplyToEither_actionFailed1() {
2111	–	for (ExecutionMode m : ExecutionMode.values())
2112	–	for (Integer v1 : new Integer[] { 1, null })
2113	–	for (Integer v2 : new Integer[] { 2, null })
2114	–	{
2115	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2116	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2117	–	final FailingFunction r = new FailingFunction();
2118	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2119	–
2120	–	f.complete(v1);
2121	–	checkCompletedWithWrappedCFException(h);
2122	–	g.complete(v2);
2123	–	checkCompletedNormally(f, v1);
2124	–	checkCompletedNormally(g, v2);
2125	–	}}
2126	–
2127	–	public void testApplyToEither_actionFailed2() {
2128	–	for (ExecutionMode m : ExecutionMode.values())
2129	–	for (Integer v1 : new Integer[] { 1, null })
2130	–	for (Integer v2 : new Integer[] { 2, null })
2131	–	{
2132	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2133	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2134	–	final FailingFunction r = new FailingFunction();
2135	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2136	–
2137	–	g.complete(v2);
2138	–	checkCompletedWithWrappedCFException(h);
2139	–	f.complete(v1);
2251		checkCompletedNormally(f, v1);
2252	<	checkCompletedNormally(g, v2);
2252	>	checkCompletedExceptionally(g, ex);
2253		}}
2254
2255		/**
2256		* applyToEither result completes exceptionally if either source cancelled
2257		*/
2258	<	public void testApplyToEither_sourceCancelled1() {
2258	>	public void testApplyToEither_sourceCancelled() {
2259		for (ExecutionMode m : ExecutionMode.values())
2260		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2261		for (Integer v1 : new Integer[] { 1, null })
2262		{
2263		final CompletableFuture<Integer> f = new CompletableFuture<>();
2264		final CompletableFuture<Integer> g = new CompletableFuture<>();
2265	<	final IncFunction r = new IncFunction();
2266	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2265	>	final IncFunction[] rs = new IncFunction[6];
2266	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2267
2268	<	assertTrue(f.cancel(mayInterruptIfRunning));
2269	<	checkCompletedWithWrappedCancellationException(h);
2268	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2269	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2270	>	checkIncomplete(h0);
2271	>	checkIncomplete(h1);
2272	>	rs[0].assertNotInvoked();
2273	>	rs[1].assertNotInvoked();
2274	>	f.cancel(mayInterruptIfRunning);
2275	>	checkCompletedWithWrappedCancellationException(h0);
2276	>	checkCompletedWithWrappedCancellationException(h1);
2277	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2278	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2279	>	checkCompletedWithWrappedCancellationException(h2);
2280	>	checkCompletedWithWrappedCancellationException(h3);
2281		g.complete(v1);
2282
2283	+	// unspecified behavior - both source completions available
2284	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2285	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2286	+	try {
2287	+	assertEquals(inc(v1), h4.join());
2288	+	rs[4].assertValue(inc(v1));
2289	+	} catch (CompletionException ok) {
2290	+	checkCompletedWithWrappedCancellationException(h4);
2291	+	rs[4].assertNotInvoked();
2292	+	}
2293	+	try {
2294	+	assertEquals(inc(v1), h5.join());
2295	+	rs[5].assertValue(inc(v1));
2296	+	} catch (CompletionException ok) {
2297	+	checkCompletedWithWrappedCancellationException(h5);
2298	+	rs[5].assertNotInvoked();
2299	+	}
2300	+
2301		checkCancelled(f);
2162	–	assertEquals(0, r.invocationCount);
2302		checkCompletedNormally(g, v1);
2303	<	checkCompletedWithWrappedCancellationException(h);
2303	>	checkCompletedWithWrappedCancellationException(h0);
2304	>	checkCompletedWithWrappedCancellationException(h1);
2305	>	checkCompletedWithWrappedCancellationException(h2);
2306	>	checkCompletedWithWrappedCancellationException(h3);
2307	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2308		}}
2309
2310		public void testApplyToEither_sourceCancelled2() {
2311		for (ExecutionMode m : ExecutionMode.values())
2312		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2313	+	for (boolean fFirst : new boolean[] { true, false })
2314		for (Integer v1 : new Integer[] { 1, null })
2315		{
2316		final CompletableFuture<Integer> f = new CompletableFuture<>();
2317		final CompletableFuture<Integer> g = new CompletableFuture<>();
2318	<	final IncFunction r = new IncFunction();
2319	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2176	<
2177	<	assertTrue(g.cancel(mayInterruptIfRunning));
2178	<	checkCompletedWithWrappedCancellationException(h);
2179	<	f.complete(v1);
2180	<
2181	<	checkCancelled(g);
2182	<	assertEquals(0, r.invocationCount);
2183	<	checkCompletedNormally(f, v1);
2184	<	checkCompletedWithWrappedCancellationException(h);
2185	<	}}
2186	<
2187	<	public void testApplyToEither_sourceCancelled3() {
2188	<	for (ExecutionMode m : ExecutionMode.values())
2189	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2190	<	for (Integer v1 : new Integer[] { 1, null })
2191	<	{
2192	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2193	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2194	<	final IncFunction r = new IncFunction();
2318	>	final IncFunction[] rs = new IncFunction[6];
2319	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2320
2321	<	assertTrue(g.cancel(mayInterruptIfRunning));
2322	<	f.complete(v1);
2323	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2321	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2322	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2323	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2324	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2325	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2326	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2327
2328	<	// unspecified behavior
2201	<	Integer v;
2328	>	// unspecified behavior - both source completions available
2329		try {
2330	<	assertEquals(inc(v1), h.join());
2331	<	assertEquals(1, r.invocationCount);
2330	>	assertEquals(inc(v1), h0.join());
2331	>	rs[0].assertValue(inc(v1));
2332		} catch (CompletionException ok) {
2333	<	checkCompletedWithWrappedCancellationException(h);
2334	<	assertEquals(0, r.invocationCount);
2333	>	checkCompletedWithWrappedCancellationException(h0);
2334	>	rs[0].assertNotInvoked();
2335		}
2209	–
2210	–	checkCancelled(g);
2211	–	checkCompletedNormally(f, v1);
2212	–	}}
2213	–
2214	–	public void testApplyToEither_sourceCancelled4() {
2215	–	for (ExecutionMode m : ExecutionMode.values())
2216	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2217	–	for (Integer v1 : new Integer[] { 1, null })
2218	–	{
2219	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2220	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2221	–	final IncFunction r = new IncFunction();
2222	–
2223	–	assertTrue(f.cancel(mayInterruptIfRunning));
2224	–	g.complete(v1);
2225	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2226	–
2227	–	// unspecified behavior
2228	–	Integer v;
2336		try {
2337	<	assertEquals(inc(v1), h.join());
2338	<	assertEquals(1, r.invocationCount);
2337	>	assertEquals(inc(v1), h1.join());
2338	>	rs[1].assertValue(inc(v1));
2339		} catch (CompletionException ok) {
2340	<	checkCompletedWithWrappedCancellationException(h);
2341	<	assertEquals(0, r.invocationCount);
2340	>	checkCompletedWithWrappedCancellationException(h1);
2341	>	rs[1].assertNotInvoked();
2342	>	}
2343	>	try {
2344	>	assertEquals(inc(v1), h2.join());
2345	>	rs[2].assertValue(inc(v1));
2346	>	} catch (CompletionException ok) {
2347	>	checkCompletedWithWrappedCancellationException(h2);
2348	>	rs[2].assertNotInvoked();
2349	>	}
2350	>	try {
2351	>	assertEquals(inc(v1), h3.join());
2352	>	rs[3].assertValue(inc(v1));
2353	>	} catch (CompletionException ok) {
2354	>	checkCompletedWithWrappedCancellationException(h3);
2355	>	rs[3].assertNotInvoked();
2356		}
2357
2358	<	checkCancelled(f);
2359	<	checkCompletedNormally(g, v1);
2358	>	checkCompletedNormally(f, v1);
2359	>	checkCancelled(g);
2360		}}
2361
2362		/**
2363	<	* acceptEither result completes normally after normal completion
2243	<	* of either source
2363	>	* applyToEither result completes exceptionally if action does
2364		*/
2365	<	public void testAcceptEither_normalCompletion1() {
2365	>	public void testApplyToEither_actionFailed() {
2366		for (ExecutionMode m : ExecutionMode.values())
2367		for (Integer v1 : new Integer[] { 1, null })
2368		for (Integer v2 : new Integer[] { 2, null })
2369		{
2370		final CompletableFuture<Integer> f = new CompletableFuture<>();
2371		final CompletableFuture<Integer> g = new CompletableFuture<>();
2372	<	final IncAction r = new IncAction();
2373	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2372	>	final FailingFunction[] rs = new FailingFunction[6];
2373	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2374
2375	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2376	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2377		f.complete(v1);
2378	<	checkCompletedNormally(h, null);
2379	<	assertEquals(inc(v1), r.value);
2380	<	g.complete(v2);
2381	<
2382	<	checkCompletedNormally(f, v1);
2383	<	checkCompletedNormally(g, v2);
2384	<	checkCompletedNormally(h, null);
2263	<	}}
2264	<
2265	<	public void testAcceptEither_normalCompletion2() {
2266	<	for (ExecutionMode m : ExecutionMode.values())
2267	<	for (Integer v1 : new Integer[] { 1, null })
2268	<	for (Integer v2 : new Integer[] { 2, null })
2269	<	{
2270	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2271	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2272	<	final IncAction r = new IncAction();
2273	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2378	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2379	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2380	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2381	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2382	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2383	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2384	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2385
2386		g.complete(v2);
2387	<	checkCompletedNormally(h, null);
2388	<	assertEquals(inc(v2), r.value);
2389	<	f.complete(v1);
2387	>
2388	>	// unspecified behavior - both source completions available
2389	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2390	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2391	>
2392	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2393	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2394	>	Objects.equals(v2, rs[4].value));
2395	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2396	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2397	>	Objects.equals(v2, rs[5].value));
2398
2399		checkCompletedNormally(f, v1);
2400		checkCompletedNormally(g, v2);
2282	–	checkCompletedNormally(h, null);
2401		}}
2402
2403	<	public void testAcceptEither_normalCompletion3() {
2403	>	/**
2404	>	* acceptEither result completes normally after normal completion
2405	>	* of either source
2406	>	*/
2407	>	public void testAcceptEither_normalCompletion() {
2408		for (ExecutionMode m : ExecutionMode.values())
2409		for (Integer v1 : new Integer[] { 1, null })
2410		for (Integer v2 : new Integer[] { 2, null })
2411		{
2412		final CompletableFuture<Integer> f = new CompletableFuture<>();
2413		final CompletableFuture<Integer> g = new CompletableFuture<>();
2414	<	final IncAction r = new IncAction();
2414	>	final NoopConsumer[] rs = new NoopConsumer[6];
2415	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2416
2417	<	f.complete(v1);
2417	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2418	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2419	>	checkIncomplete(h0);
2420	>	checkIncomplete(h1);
2421	>	rs[0].assertNotInvoked();
2422	>	rs[1].assertNotInvoked();
2423	>	f.complete(v1);
2424	>	checkCompletedNormally(h0, null);
2425	>	checkCompletedNormally(h1, null);
2426	>	rs[0].assertValue(v1);
2427	>	rs[1].assertValue(v1);
2428	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2429	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2430	>	checkCompletedNormally(h2, null);
2431	>	checkCompletedNormally(h3, null);
2432	>	rs[2].assertValue(v1);
2433	>	rs[3].assertValue(v1);
2434		g.complete(v2);
2296	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2435
2436	<	checkCompletedNormally(h, null);
2436	>	// unspecified behavior - both source completions available
2437	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2438	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2439	>	checkCompletedNormally(h4, null);
2440	>	checkCompletedNormally(h5, null);
2441	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2442	>	Objects.equals(v2, rs[4].value));
2443	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2444	>	Objects.equals(v2, rs[5].value));
2445	>
2446		checkCompletedNormally(f, v1);
2447		checkCompletedNormally(g, v2);
2448	<
2449	<	// unspecified behavior
2450	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2451	<	Objects.equals(r.value, inc(v2)));
2448	>	checkCompletedNormally(h0, null);
2449	>	checkCompletedNormally(h1, null);
2450	>	checkCompletedNormally(h2, null);
2451	>	checkCompletedNormally(h3, null);
2452	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2453		}}
2454
2455		/**
2456		* acceptEither result completes exceptionally after exceptional
2457		* completion of either source
2458		*/
2459	<	public void testAcceptEither_exceptionalCompletion1() {
2459	>	public void testAcceptEither_exceptionalCompletion() {
2460		for (ExecutionMode m : ExecutionMode.values())
2461		for (Integer v1 : new Integer[] { 1, null })
2462		{
2463		final CompletableFuture<Integer> f = new CompletableFuture<>();
2464		final CompletableFuture<Integer> g = new CompletableFuture<>();
2317	–	final IncAction r = new IncAction();
2318	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2465		final CFException ex = new CFException();
2466	+	final NoopConsumer[] rs = new NoopConsumer[6];
2467	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2468
2469	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2470	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2471	+	checkIncomplete(h0);
2472	+	checkIncomplete(h1);
2473	+	rs[0].assertNotInvoked();
2474	+	rs[1].assertNotInvoked();
2475		f.completeExceptionally(ex);
2476	<	checkCompletedWithWrappedCFException(h, ex);
2476	>	checkCompletedWithWrappedException(h0, ex);
2477	>	checkCompletedWithWrappedException(h1, ex);
2478	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2479	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2480	>	checkCompletedWithWrappedException(h2, ex);
2481	>	checkCompletedWithWrappedException(h3, ex);
2482	>
2483		g.complete(v1);
2484
2485	<	assertEquals(0, r.invocationCount);
2485	>	// unspecified behavior - both source completions available
2486	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2487	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2488	>	try {
2489	>	assertNull(h4.join());
2490	>	rs[4].assertValue(v1);
2491	>	} catch (CompletionException ok) {
2492	>	checkCompletedWithWrappedException(h4, ex);
2493	>	rs[4].assertNotInvoked();
2494	>	}
2495	>	try {
2496	>	assertNull(h5.join());
2497	>	rs[5].assertValue(v1);
2498	>	} catch (CompletionException ok) {
2499	>	checkCompletedWithWrappedException(h5, ex);
2500	>	rs[5].assertNotInvoked();
2501	>	}
2502	>
2503	>	checkCompletedExceptionally(f, ex);
2504		checkCompletedNormally(g, v1);
2505	<	checkCompletedWithWrappedCFException(f, ex);
2506	<	checkCompletedWithWrappedCFException(h, ex);
2505	>	checkCompletedWithWrappedException(h0, ex);
2506	>	checkCompletedWithWrappedException(h1, ex);
2507	>	checkCompletedWithWrappedException(h2, ex);
2508	>	checkCompletedWithWrappedException(h3, ex);
2509	>	checkCompletedWithWrappedException(h4, ex);
2510	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2511		}}
2512
2513		public void testAcceptEither_exceptionalCompletion2() {
2514		for (ExecutionMode m : ExecutionMode.values())
2515	+	for (boolean fFirst : new boolean[] { true, false })
2516		for (Integer v1 : new Integer[] { 1, null })
2517		{
2518		final CompletableFuture<Integer> f = new CompletableFuture<>();
2519		final CompletableFuture<Integer> g = new CompletableFuture<>();
2337	–	final IncAction r = new IncAction();
2338	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2339	–	final CFException ex = new CFException();
2340	–
2341	–	g.completeExceptionally(ex);
2342	–	checkCompletedWithWrappedCFException(h, ex);
2343	–	f.complete(v1);
2344	–
2345	–	assertEquals(0, r.invocationCount);
2346	–	checkCompletedNormally(f, v1);
2347	–	checkCompletedWithWrappedCFException(g, ex);
2348	–	checkCompletedWithWrappedCFException(h, ex);
2349	–	}}
2350	–
2351	–	public void testAcceptEither_exceptionalCompletion3() {
2352	–	for (ExecutionMode m : ExecutionMode.values())
2353	–	for (Integer v1 : new Integer[] { 1, null })
2354	–	{
2355	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2356	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2357	–	final IncAction r = new IncAction();
2520		final CFException ex = new CFException();
2521	+	final NoopConsumer[] rs = new NoopConsumer[6];
2522	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2523
2524	<	g.completeExceptionally(ex);
2525	<	f.complete(v1);
2526	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2524	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2525	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2526	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2527	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2528	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2529	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2530
2531	<	// unspecified behavior
2365	<	Integer v;
2531	>	// unspecified behavior - both source completions available
2532		try {
2533	<	assertNull(h.join());
2534	<	assertEquals(1, r.invocationCount);
2369	<	assertEquals(inc(v1), r.value);
2533	>	assertEquals(null, h0.join());
2534	>	rs[0].assertValue(v1);
2535		} catch (CompletionException ok) {
2536	<	checkCompletedWithWrappedCFException(h, ex);
2537	<	assertEquals(0, r.invocationCount);
2536	>	checkCompletedWithWrappedException(h0, ex);
2537	>	rs[0].assertNotInvoked();
2538		}
2374	–
2375	–	checkCompletedWithWrappedCFException(g, ex);
2376	–	checkCompletedNormally(f, v1);
2377	–	}}
2378	–
2379	–	public void testAcceptEither_exceptionalCompletion4() {
2380	–	for (ExecutionMode m : ExecutionMode.values())
2381	–	for (Integer v1 : new Integer[] { 1, null })
2382	–	{
2383	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2384	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2385	–	final IncAction r = new IncAction();
2386	–	final CFException ex = new CFException();
2387	–
2388	–	f.completeExceptionally(ex);
2389	–	g.complete(v1);
2390	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2391	–
2392	–	// unspecified behavior
2393	–	Integer v;
2539		try {
2540	<	assertNull(h.join());
2541	<	assertEquals(1, r.invocationCount);
2397	<	assertEquals(inc(v1), r.value);
2540	>	assertEquals(null, h1.join());
2541	>	rs[1].assertValue(v1);
2542		} catch (CompletionException ok) {
2543	<	checkCompletedWithWrappedCFException(h, ex);
2544	<	assertEquals(0, r.invocationCount);
2543	>	checkCompletedWithWrappedException(h1, ex);
2544	>	rs[1].assertNotInvoked();
2545	>	}
2546	>	try {
2547	>	assertEquals(null, h2.join());
2548	>	rs[2].assertValue(v1);
2549	>	} catch (CompletionException ok) {
2550	>	checkCompletedWithWrappedException(h2, ex);
2551	>	rs[2].assertNotInvoked();
2552	>	}
2553	>	try {
2554	>	assertEquals(null, h3.join());
2555	>	rs[3].assertValue(v1);
2556	>	} catch (CompletionException ok) {
2557	>	checkCompletedWithWrappedException(h3, ex);
2558	>	rs[3].assertNotInvoked();
2559		}
2560
2403	–	checkCompletedWithWrappedCFException(f, ex);
2404	–	checkCompletedNormally(g, v1);
2405	–	}}
2406	–
2407	–	/**
2408	–	* acceptEither result completes exceptionally if action does
2409	–	*/
2410	–	public void testAcceptEither_actionFailed1() {
2411	–	for (ExecutionMode m : ExecutionMode.values())
2412	–	for (Integer v1 : new Integer[] { 1, null })
2413	–	for (Integer v2 : new Integer[] { 2, null })
2414	–	{
2415	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2416	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2417	–	final FailingConsumer r = new FailingConsumer();
2418	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2419	–
2420	–	f.complete(v1);
2421	–	checkCompletedWithWrappedCFException(h);
2422	–	g.complete(v2);
2423	–	checkCompletedNormally(f, v1);
2424	–	checkCompletedNormally(g, v2);
2425	–	}}
2426	–
2427	–	public void testAcceptEither_actionFailed2() {
2428	–	for (ExecutionMode m : ExecutionMode.values())
2429	–	for (Integer v1 : new Integer[] { 1, null })
2430	–	for (Integer v2 : new Integer[] { 2, null })
2431	–	{
2432	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2433	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2434	–	final FailingConsumer r = new FailingConsumer();
2435	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2436	–
2437	–	g.complete(v2);
2438	–	checkCompletedWithWrappedCFException(h);
2439	–	f.complete(v1);
2561		checkCompletedNormally(f, v1);
2562	<	checkCompletedNormally(g, v2);
2562	>	checkCompletedExceptionally(g, ex);
2563		}}
2564
2565		/**
2566		* acceptEither result completes exceptionally if either source cancelled
2567		*/
2568	<	public void testAcceptEither_sourceCancelled1() {
2568	>	public void testAcceptEither_sourceCancelled() {
2569		for (ExecutionMode m : ExecutionMode.values())
2570		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2571		for (Integer v1 : new Integer[] { 1, null })
2572		{
2573		final CompletableFuture<Integer> f = new CompletableFuture<>();
2574		final CompletableFuture<Integer> g = new CompletableFuture<>();
2575	<	final IncAction r = new IncAction();
2576	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2456	<
2457	<	assertTrue(f.cancel(mayInterruptIfRunning));
2458	<	checkCompletedWithWrappedCancellationException(h);
2459	<	g.complete(v1);
2575	>	final NoopConsumer[] rs = new NoopConsumer[6];
2576	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2577
2578	<	checkCancelled(f);
2579	<	assertEquals(0, r.invocationCount);
2580	<	checkCompletedNormally(g, v1);
2581	<	checkCompletedWithWrappedCancellationException(h);
2582	<	}}
2578	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2579	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2580	>	checkIncomplete(h0);
2581	>	checkIncomplete(h1);
2582	>	rs[0].assertNotInvoked();
2583	>	rs[1].assertNotInvoked();
2584	>	f.cancel(mayInterruptIfRunning);
2585	>	checkCompletedWithWrappedCancellationException(h0);
2586	>	checkCompletedWithWrappedCancellationException(h1);
2587	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2588	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2589	>	checkCompletedWithWrappedCancellationException(h2);
2590	>	checkCompletedWithWrappedCancellationException(h3);
2591
2592	<	public void testAcceptEither_sourceCancelled2() {
2468	<	for (ExecutionMode m : ExecutionMode.values())
2469	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2470	<	for (Integer v1 : new Integer[] { 1, null })
2471	<	{
2472	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2473	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2474	<	final IncAction r = new IncAction();
2475	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2476	<
2477	<	assertTrue(g.cancel(mayInterruptIfRunning));
2478	<	checkCompletedWithWrappedCancellationException(h);
2479	<	f.complete(v1);
2480	<
2481	<	checkCancelled(g);
2482	<	assertEquals(0, r.invocationCount);
2483	<	checkCompletedNormally(f, v1);
2484	<	checkCompletedWithWrappedCancellationException(h);
2485	<	}}
2486	<
2487	<	public void testAcceptEither_sourceCancelled3() {
2488	<	for (ExecutionMode m : ExecutionMode.values())
2489	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2490	<	for (Integer v1 : new Integer[] { 1, null })
2491	<	{
2492	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2493	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2494	<	final IncAction r = new IncAction();
2495	<
2496	<	assertTrue(g.cancel(mayInterruptIfRunning));
2497	<	f.complete(v1);
2498	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2592	>	g.complete(v1);
2593
2594	<	// unspecified behavior
2595	<	Integer v;
2594	>	// unspecified behavior - both source completions available
2595	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2596	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2597		try {
2598	<	assertNull(h.join());
2599	<	assertEquals(1, r.invocationCount);
2505	<	assertEquals(inc(v1), r.value);
2598	>	assertNull(h4.join());
2599	>	rs[4].assertValue(v1);
2600		} catch (CompletionException ok) {
2601	<	checkCompletedWithWrappedCancellationException(h);
2602	<	assertEquals(0, r.invocationCount);
2601	>	checkCompletedWithWrappedCancellationException(h4);
2602	>	rs[4].assertNotInvoked();
2603		}
2510	–
2511	–	checkCancelled(g);
2512	–	checkCompletedNormally(f, v1);
2513	–	}}
2514	–
2515	–	public void testAcceptEither_sourceCancelled4() {
2516	–	for (ExecutionMode m : ExecutionMode.values())
2517	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2518	–	for (Integer v1 : new Integer[] { 1, null })
2519	–	{
2520	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2521	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2522	–	final IncAction r = new IncAction();
2523	–
2524	–	assertTrue(f.cancel(mayInterruptIfRunning));
2525	–	g.complete(v1);
2526	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2527	–
2528	–	// unspecified behavior
2529	–	Integer v;
2604		try {
2605	<	assertNull(h.join());
2606	<	assertEquals(1, r.invocationCount);
2533	<	assertEquals(inc(v1), r.value);
2605	>	assertNull(h5.join());
2606	>	rs[5].assertValue(v1);
2607		} catch (CompletionException ok) {
2608	<	checkCompletedWithWrappedCancellationException(h);
2609	<	assertEquals(0, r.invocationCount);
2608	>	checkCompletedWithWrappedCancellationException(h5);
2609	>	rs[5].assertNotInvoked();
2610		}
2611
2612		checkCancelled(f);
2613		checkCompletedNormally(g, v1);
2614	+	checkCompletedWithWrappedCancellationException(h0);
2615	+	checkCompletedWithWrappedCancellationException(h1);
2616	+	checkCompletedWithWrappedCancellationException(h2);
2617	+	checkCompletedWithWrappedCancellationException(h3);
2618	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2619		}}
2620
2621		/**
2622	<	* runAfterEither result completes normally after normal completion
2545	<	* of either source
2622	>	* acceptEither result completes exceptionally if action does
2623		*/
2624	<	public void testRunAfterEither_normalCompletion1() {
2624	>	public void testAcceptEither_actionFailed() {
2625		for (ExecutionMode m : ExecutionMode.values())
2626		for (Integer v1 : new Integer[] { 1, null })
2627		for (Integer v2 : new Integer[] { 2, null })
2628		{
2629		final CompletableFuture<Integer> f = new CompletableFuture<>();
2630		final CompletableFuture<Integer> g = new CompletableFuture<>();
2631	<	final Noop r = new Noop();
2632	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2631	>	final FailingConsumer[] rs = new FailingConsumer[6];
2632	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2633
2634	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2635	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2636		f.complete(v1);
2637	<	checkCompletedNormally(h, null);
2638	<	assertEquals(1, r.invocationCount);
2637	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2638	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2639	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2640	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2641	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2642	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2643	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2644	>
2645		g.complete(v2);
2646
2647	+	// unspecified behavior - both source completions available
2648	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2649	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2650	+
2651	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2652	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2653	+	Objects.equals(v2, rs[4].value));
2654	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2655	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2656	+	Objects.equals(v2, rs[5].value));
2657	+
2658		checkCompletedNormally(f, v1);
2659		checkCompletedNormally(g, v2);
2564	–	checkCompletedNormally(h, null);
2565	–	assertEquals(1, r.invocationCount);
2660		}}
2661
2662	<	public void testRunAfterEither_normalCompletion2() {
2662	>	/**
2663	>	* runAfterEither result completes normally after normal completion
2664	>	* of either source
2665	>	*/
2666	>	public void testRunAfterEither_normalCompletion() {
2667		for (ExecutionMode m : ExecutionMode.values())
2668		for (Integer v1 : new Integer[] { 1, null })
2669		for (Integer v2 : new Integer[] { 2, null })
2670		{
2671		final CompletableFuture<Integer> f = new CompletableFuture<>();
2672		final CompletableFuture<Integer> g = new CompletableFuture<>();
2673	<	final Noop r = new Noop();
2674	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2577	<
2578	<	g.complete(v2);
2579	<	checkCompletedNormally(h, null);
2580	<	assertEquals(1, r.invocationCount);
2581	<	f.complete(v1);
2673	>	final Noop[] rs = new Noop[6];
2674	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2675
2676	<	checkCompletedNormally(f, v1);
2677	<	checkCompletedNormally(g, v2);
2678	<	checkCompletedNormally(h, null);
2679	<	assertEquals(1, r.invocationCount);
2680	<	}}
2681	<
2682	<	public void testRunAfterEither_normalCompletion3() {
2683	<	for (ExecutionMode m : ExecutionMode.values())
2684	<	for (Integer v1 : new Integer[] { 1, null })
2685	<	for (Integer v2 : new Integer[] { 2, null })
2686	<	{
2687	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2688	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2689	<	final Noop r = new Noop();
2676	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2677	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2678	>	checkIncomplete(h0);
2679	>	checkIncomplete(h1);
2680	>	rs[0].assertNotInvoked();
2681	>	rs[1].assertNotInvoked();
2682	>	f.complete(v1);
2683	>	checkCompletedNormally(h0, null);
2684	>	checkCompletedNormally(h1, null);
2685	>	rs[0].assertInvoked();
2686	>	rs[1].assertInvoked();
2687	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2688	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2689	>	checkCompletedNormally(h2, null);
2690	>	checkCompletedNormally(h3, null);
2691	>	rs[2].assertInvoked();
2692	>	rs[3].assertInvoked();
2693
2598	–	f.complete(v1);
2694		g.complete(v2);
2600	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2695
2696	<	checkCompletedNormally(h, null);
2696	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2697	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2698	>
2699		checkCompletedNormally(f, v1);
2700		checkCompletedNormally(g, v2);
2701	<	assertEquals(1, r.invocationCount);
2701	>	checkCompletedNormally(h0, null);
2702	>	checkCompletedNormally(h1, null);
2703	>	checkCompletedNormally(h2, null);
2704	>	checkCompletedNormally(h3, null);
2705	>	checkCompletedNormally(h4, null);
2706	>	checkCompletedNormally(h5, null);
2707	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2708		}}
2709
2710		/**
2711		* runAfterEither result completes exceptionally after exceptional
2712		* completion of either source
2713		*/
2714	<	public void testRunAfterEither_exceptionalCompletion1() {
2714	>	public void testRunAfterEither_exceptionalCompletion() {
2715		for (ExecutionMode m : ExecutionMode.values())
2716		for (Integer v1 : new Integer[] { 1, null })
2717		{
2718		final CompletableFuture<Integer> f = new CompletableFuture<>();
2719		final CompletableFuture<Integer> g = new CompletableFuture<>();
2618	–	final Noop r = new Noop();
2619	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2720		final CFException ex = new CFException();
2721	+	final Noop[] rs = new Noop[6];
2722	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2723
2724	<	f.completeExceptionally(ex);
2725	<	checkCompletedWithWrappedCFException(h, ex);
2726	<	g.complete(v1);
2724	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2725	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2726	>	checkIncomplete(h0);
2727	>	checkIncomplete(h1);
2728	>	rs[0].assertNotInvoked();
2729	>	rs[1].assertNotInvoked();
2730	>	assertTrue(f.completeExceptionally(ex));
2731	>	checkCompletedWithWrappedException(h0, ex);
2732	>	checkCompletedWithWrappedException(h1, ex);
2733	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2734	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2735	>	checkCompletedWithWrappedException(h2, ex);
2736	>	checkCompletedWithWrappedException(h3, ex);
2737	>
2738	>	assertTrue(g.complete(v1));
2739	>
2740	>	// unspecified behavior - both source completions available
2741	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2742	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2743	>	try {
2744	>	assertNull(h4.join());
2745	>	rs[4].assertInvoked();
2746	>	} catch (CompletionException ok) {
2747	>	checkCompletedWithWrappedException(h4, ex);
2748	>	rs[4].assertNotInvoked();
2749	>	}
2750	>	try {
2751	>	assertNull(h5.join());
2752	>	rs[5].assertInvoked();
2753	>	} catch (CompletionException ok) {
2754	>	checkCompletedWithWrappedException(h5, ex);
2755	>	rs[5].assertNotInvoked();
2756	>	}
2757
2758	<	assertEquals(0, r.invocationCount);
2758	>	checkCompletedExceptionally(f, ex);
2759		checkCompletedNormally(g, v1);
2760	<	checkCompletedWithWrappedCFException(f, ex);
2761	<	checkCompletedWithWrappedCFException(h, ex);
2760	>	checkCompletedWithWrappedException(h0, ex);
2761	>	checkCompletedWithWrappedException(h1, ex);
2762	>	checkCompletedWithWrappedException(h2, ex);
2763	>	checkCompletedWithWrappedException(h3, ex);
2764	>	checkCompletedWithWrappedException(h4, ex);
2765	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2766		}}
2767
2768		public void testRunAfterEither_exceptionalCompletion2() {
2769		for (ExecutionMode m : ExecutionMode.values())
2770	+	for (boolean fFirst : new boolean[] { true, false })
2771		for (Integer v1 : new Integer[] { 1, null })
2772		{
2773		final CompletableFuture<Integer> f = new CompletableFuture<>();
2774		final CompletableFuture<Integer> g = new CompletableFuture<>();
2638	–	final Noop r = new Noop();
2639	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2640	–	final CFException ex = new CFException();
2641	–
2642	–	g.completeExceptionally(ex);
2643	–	checkCompletedWithWrappedCFException(h, ex);
2644	–	f.complete(v1);
2645	–
2646	–	assertEquals(0, r.invocationCount);
2647	–	checkCompletedNormally(f, v1);
2648	–	checkCompletedWithWrappedCFException(g, ex);
2649	–	checkCompletedWithWrappedCFException(h, ex);
2650	–	}}
2651	–
2652	–	public void testRunAfterEither_exceptionalCompletion3() {
2653	–	for (ExecutionMode m : ExecutionMode.values())
2654	–	for (Integer v1 : new Integer[] { 1, null })
2655	–	{
2656	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2657	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2658	–	final Noop r = new Noop();
2775		final CFException ex = new CFException();
2776	+	final Noop[] rs = new Noop[6];
2777	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2778
2779	<	g.completeExceptionally(ex);
2780	<	f.complete(v1);
2781	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2779	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2780	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2781	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2782	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2783	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2784	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2785
2786	<	// unspecified behavior
2666	<	Integer v;
2786	>	// unspecified behavior - both source completions available
2787		try {
2788	<	assertNull(h.join());
2789	<	assertEquals(1, r.invocationCount);
2788	>	assertEquals(null, h0.join());
2789	>	rs[0].assertInvoked();
2790		} catch (CompletionException ok) {
2791	<	checkCompletedWithWrappedCFException(h, ex);
2792	<	assertEquals(0, r.invocationCount);
2791	>	checkCompletedWithWrappedException(h0, ex);
2792	>	rs[0].assertNotInvoked();
2793		}
2674	–
2675	–	checkCompletedWithWrappedCFException(g, ex);
2676	–	checkCompletedNormally(f, v1);
2677	–	}}
2678	–
2679	–	public void testRunAfterEither_exceptionalCompletion4() {
2680	–	for (ExecutionMode m : ExecutionMode.values())
2681	–	for (Integer v1 : new Integer[] { 1, null })
2682	–	{
2683	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2684	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2685	–	final Noop r = new Noop();
2686	–	final CFException ex = new CFException();
2687	–
2688	–	f.completeExceptionally(ex);
2689	–	g.complete(v1);
2690	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2691	–
2692	–	// unspecified behavior
2693	–	Integer v;
2794		try {
2795	<	assertNull(h.join());
2796	<	assertEquals(1, r.invocationCount);
2795	>	assertEquals(null, h1.join());
2796	>	rs[1].assertInvoked();
2797		} catch (CompletionException ok) {
2798	<	checkCompletedWithWrappedCFException(h, ex);
2799	<	assertEquals(0, r.invocationCount);
2798	>	checkCompletedWithWrappedException(h1, ex);
2799	>	rs[1].assertNotInvoked();
2800	>	}
2801	>	try {
2802	>	assertEquals(null, h2.join());
2803	>	rs[2].assertInvoked();
2804	>	} catch (CompletionException ok) {
2805	>	checkCompletedWithWrappedException(h2, ex);
2806	>	rs[2].assertNotInvoked();
2807	>	}
2808	>	try {
2809	>	assertEquals(null, h3.join());
2810	>	rs[3].assertInvoked();
2811	>	} catch (CompletionException ok) {
2812	>	checkCompletedWithWrappedException(h3, ex);
2813	>	rs[3].assertNotInvoked();
2814		}
2815
2702	–	checkCompletedWithWrappedCFException(f, ex);
2703	–	checkCompletedNormally(g, v1);
2704	–	}}
2705	–
2706	–	/**
2707	–	* runAfterEither result completes exceptionally if action does
2708	–	*/
2709	–	public void testRunAfterEither_actionFailed1() {
2710	–	for (ExecutionMode m : ExecutionMode.values())
2711	–	for (Integer v1 : new Integer[] { 1, null })
2712	–	for (Integer v2 : new Integer[] { 2, null })
2713	–	{
2714	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2715	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2716	–	final FailingNoop r = new FailingNoop();
2717	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2718	–
2719	–	f.complete(v1);
2720	–	checkCompletedWithWrappedCFException(h);
2721	–	g.complete(v2);
2722	–	checkCompletedNormally(f, v1);
2723	–	checkCompletedNormally(g, v2);
2724	–	}}
2725	–
2726	–	public void testRunAfterEither_actionFailed2() {
2727	–	for (ExecutionMode m : ExecutionMode.values())
2728	–	for (Integer v1 : new Integer[] { 1, null })
2729	–	for (Integer v2 : new Integer[] { 2, null })
2730	–	{
2731	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2732	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2733	–	final FailingNoop r = new FailingNoop();
2734	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2735	–
2736	–	g.complete(v2);
2737	–	checkCompletedWithWrappedCFException(h);
2738	–	f.complete(v1);
2816		checkCompletedNormally(f, v1);
2817	<	checkCompletedNormally(g, v2);
2817	>	checkCompletedExceptionally(g, ex);
2818		}}
2819
2820		/**
2821		* runAfterEither result completes exceptionally if either source cancelled
2822		*/
2823	<	public void testRunAfterEither_sourceCancelled1() {
2823	>	public void testRunAfterEither_sourceCancelled() {
2824		for (ExecutionMode m : ExecutionMode.values())
2825		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2826		for (Integer v1 : new Integer[] { 1, null })
2827		{
2828		final CompletableFuture<Integer> f = new CompletableFuture<>();
2829		final CompletableFuture<Integer> g = new CompletableFuture<>();
2830	<	final Noop r = new Noop();
2831	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2755	<
2756	<	assertTrue(f.cancel(mayInterruptIfRunning));
2757	<	checkCompletedWithWrappedCancellationException(h);
2758	<	g.complete(v1);
2830	>	final Noop[] rs = new Noop[6];
2831	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2832
2833	<	checkCancelled(f);
2834	<	assertEquals(0, r.invocationCount);
2835	<	checkCompletedNormally(g, v1);
2836	<	checkCompletedWithWrappedCancellationException(h);
2837	<	}}
2838	<
2839	<	public void testRunAfterEither_sourceCancelled2() {
2840	<	for (ExecutionMode m : ExecutionMode.values())
2841	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2842	<	for (Integer v1 : new Integer[] { 1, null })
2843	<	{
2844	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2845	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2846	<	final Noop r = new Noop();
2847	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2848	<
2849	<	assertTrue(g.cancel(mayInterruptIfRunning));
2850	<	checkCompletedWithWrappedCancellationException(h);
2851	<	f.complete(v1);
2779	<
2780	<	checkCancelled(g);
2781	<	assertEquals(0, r.invocationCount);
2782	<	checkCompletedNormally(f, v1);
2783	<	checkCompletedWithWrappedCancellationException(h);
2784	<	}}
2785	<
2786	<	public void testRunAfterEither_sourceCancelled3() {
2787	<	for (ExecutionMode m : ExecutionMode.values())
2788	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2789	<	for (Integer v1 : new Integer[] { 1, null })
2790	<	{
2791	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2792	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2793	<	final Noop r = new Noop();
2794	<
2795	<	assertTrue(g.cancel(mayInterruptIfRunning));
2796	<	f.complete(v1);
2797	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2798	<
2799	<	// unspecified behavior
2800	<	Integer v;
2833	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2834	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2835	>	checkIncomplete(h0);
2836	>	checkIncomplete(h1);
2837	>	rs[0].assertNotInvoked();
2838	>	rs[1].assertNotInvoked();
2839	>	f.cancel(mayInterruptIfRunning);
2840	>	checkCompletedWithWrappedCancellationException(h0);
2841	>	checkCompletedWithWrappedCancellationException(h1);
2842	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2843	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2844	>	checkCompletedWithWrappedCancellationException(h2);
2845	>	checkCompletedWithWrappedCancellationException(h3);
2846	>
2847	>	assertTrue(g.complete(v1));
2848	>
2849	>	// unspecified behavior - both source completions available
2850	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2851	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2852		try {
2853	<	assertNull(h.join());
2854	<	assertEquals(1, r.invocationCount);
2853	>	assertNull(h4.join());
2854	>	rs[4].assertInvoked();
2855		} catch (CompletionException ok) {
2856	<	checkCompletedWithWrappedCancellationException(h);
2857	<	assertEquals(0, r.invocationCount);
2856	>	checkCompletedWithWrappedCancellationException(h4);
2857	>	rs[4].assertNotInvoked();
2858		}
2808	–
2809	–	checkCancelled(g);
2810	–	checkCompletedNormally(f, v1);
2811	–	}}
2812	–
2813	–	public void testRunAfterEither_sourceCancelled4() {
2814	–	for (ExecutionMode m : ExecutionMode.values())
2815	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2816	–	for (Integer v1 : new Integer[] { 1, null })
2817	–	{
2818	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2819	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2820	–	final Noop r = new Noop();
2821	–
2822	–	assertTrue(f.cancel(mayInterruptIfRunning));
2823	–	g.complete(v1);
2824	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2825	–
2826	–	// unspecified behavior
2827	–	Integer v;
2859		try {
2860	<	assertNull(h.join());
2861	<	assertEquals(1, r.invocationCount);
2860	>	assertNull(h5.join());
2861	>	rs[5].assertInvoked();
2862		} catch (CompletionException ok) {
2863	<	checkCompletedWithWrappedCancellationException(h);
2864	<	assertEquals(0, r.invocationCount);
2863	>	checkCompletedWithWrappedCancellationException(h5);
2864	>	rs[5].assertNotInvoked();
2865		}
2866
2867		checkCancelled(f);
2868		checkCompletedNormally(g, v1);
2869	+	checkCompletedWithWrappedCancellationException(h0);
2870	+	checkCompletedWithWrappedCancellationException(h1);
2871	+	checkCompletedWithWrappedCancellationException(h2);
2872	+	checkCompletedWithWrappedCancellationException(h3);
2873	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2874		}}
2875
2876		/**
2877	<	* thenCompose result completes normally after normal completion of source
2877	>	* runAfterEither result completes exceptionally if action does
2878		*/
2879	<	public void testThenCompose_normalCompletion1() {
2879	>	public void testRunAfterEither_actionFailed() {
2880		for (ExecutionMode m : ExecutionMode.values())
2881		for (Integer v1 : new Integer[] { 1, null })
2882	+	for (Integer v2 : new Integer[] { 2, null })
2883		{
2884		final CompletableFuture<Integer> f = new CompletableFuture<>();
2885	<	final CompletableFutureInc r = new CompletableFutureInc();
2886	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2887	<	f.complete(v1);
2888	<	checkCompletedNormally(g, inc(v1));
2885	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2886	>	final FailingRunnable[] rs = new FailingRunnable[6];
2887	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2888	>
2889	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2890	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2891	>	assertTrue(f.complete(v1));
2892	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2893	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2894	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2895	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2896	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2897	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2898	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2899	>	assertTrue(g.complete(v2));
2900	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2901	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2902	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2903	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2904	>
2905		checkCompletedNormally(f, v1);
2906	<	assertEquals(1, r.invocationCount);
2906	>	checkCompletedNormally(g, v2);
2907	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2908		}}
2909
2910	<	public void testThenCompose_normalCompletion2() {
2910	>	/**
2911	>	* thenCompose result completes normally after normal completion of source
2912	>	*/
2913	>	public void testThenCompose_normalCompletion() {
2914		for (ExecutionMode m : ExecutionMode.values())
2915	+	for (boolean createIncomplete : new boolean[] { true, false })
2916		for (Integer v1 : new Integer[] { 1, null })
2917		{
2918		final CompletableFuture<Integer> f = new CompletableFuture<>();
2919	<	final CompletableFutureInc r = new CompletableFutureInc();
2920	<	f.complete(v1);
2921	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2919	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2920	>	if (!createIncomplete) assertTrue(f.complete(v1));
2921	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2922	>	if (createIncomplete) assertTrue(f.complete(v1));
2923	>
2924		checkCompletedNormally(g, inc(v1));
2925		checkCompletedNormally(f, v1);
2926	<	assertEquals(1, r.invocationCount);
2926	>	r.assertValue(v1);
2927		}}
2928
2929		/**
2930		* thenCompose result completes exceptionally after exceptional
2931		* completion of source
2932		*/
2933	<	public void testThenCompose_exceptionalCompletion1() {
2933	>	public void testThenCompose_exceptionalCompletion() {
2934		for (ExecutionMode m : ExecutionMode.values())
2935	+	for (boolean createIncomplete : new boolean[] { true, false })
2936		{
2937		final CFException ex = new CFException();
2938	<	final CompletableFutureInc r = new CompletableFutureInc();
2938	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2939		final CompletableFuture<Integer> f = new CompletableFuture<>();
2940	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2941	<	f.completeExceptionally(ex);
2942	<	checkCompletedWithWrappedCFException(g, ex);
2882	<	checkCompletedWithWrappedCFException(f, ex);
2883	<	}}
2940	>	if (!createIncomplete) f.completeExceptionally(ex);
2941	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2942	>	if (createIncomplete) f.completeExceptionally(ex);
2943
2944	<	public void testThenCompose_exceptionalCompletion2() {
2945	<	for (ExecutionMode m : ExecutionMode.values())
2946	<	{
2888	<	final CFException ex = new CFException();
2889	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2890	<	f.completeExceptionally(ex);
2891	<	final CompletableFutureInc r = new CompletableFutureInc();
2892	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2893	<	checkCompletedWithWrappedCFException(g, ex);
2894	<	checkCompletedWithWrappedCFException(f, ex);
2944	>	checkCompletedWithWrappedException(g, ex);
2945	>	checkCompletedExceptionally(f, ex);
2946	>	r.assertNotInvoked();
2947		}}
2948
2949		/**
2950		* thenCompose result completes exceptionally if action does
2951		*/
2952	<	public void testThenCompose_actionFailed1() {
2952	>	public void testThenCompose_actionFailed() {
2953		for (ExecutionMode m : ExecutionMode.values())
2954	+	for (boolean createIncomplete : new boolean[] { true, false })
2955		for (Integer v1 : new Integer[] { 1, null })
2956		{
2957		final CompletableFuture<Integer> f = new CompletableFuture<>();
2958		final FailingCompletableFutureFunction r
2959	<	= new FailingCompletableFutureFunction();
2960	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2961	<	f.complete(v1);
2962	<	checkCompletedWithWrappedCFException(g);
2910	<	checkCompletedNormally(f, v1);
2911	<	}}
2959	>	= new FailingCompletableFutureFunction(m);
2960	>	if (!createIncomplete) assertTrue(f.complete(v1));
2961	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2962	>	if (createIncomplete) assertTrue(f.complete(v1));
2963
2964	<	public void testThenCompose_actionFailed2() {
2914	<	for (ExecutionMode m : ExecutionMode.values())
2915	<	for (Integer v1 : new Integer[] { 1, null })
2916	<	{
2917	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2918	<	f.complete(v1);
2919	<	final FailingCompletableFutureFunction r
2920	<	= new FailingCompletableFutureFunction();
2921	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2922	<	checkCompletedWithWrappedCFException(g);
2964	>	checkCompletedWithWrappedException(g, r.ex);
2965		checkCompletedNormally(f, v1);
2966		}}
2967
2968		/**
2969		* thenCompose result completes exceptionally if source cancelled
2970		*/
2971	<	public void testThenCompose_sourceCancelled1() {
2971	>	public void testThenCompose_sourceCancelled() {
2972		for (ExecutionMode m : ExecutionMode.values())
2973	+	for (boolean createIncomplete : new boolean[] { true, false })
2974		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2975		{
2976		final CompletableFuture<Integer> f = new CompletableFuture<>();
2977	<	final CompletableFutureInc r = new CompletableFutureInc();
2978	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2979	<	assertTrue(f.cancel(mayInterruptIfRunning));
2980	<	checkCompletedWithWrappedCancellationException(g);
2981	<	checkCancelled(f);
2982	<	}}
2977	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2978	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2979	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2980	>	if (createIncomplete) {
2981	>	checkIncomplete(g);
2982	>	assertTrue(f.cancel(mayInterruptIfRunning));
2983	>	}
2984
2941	–	public void testThenCompose_sourceCancelled2() {
2942	–	for (ExecutionMode m : ExecutionMode.values())
2943	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2944	–	{
2945	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2946	–	assertTrue(f.cancel(mayInterruptIfRunning));
2947	–	final CompletableFutureInc r = new CompletableFutureInc();
2948	–	final CompletableFuture<Integer> g = f.thenCompose(r);
2985		checkCompletedWithWrappedCancellationException(g);
2986		checkCancelled(f);
2987		}}
2988
2953	–	// asyncs
2954	–
2989		/**
2990	<	* thenRunAsync result completes normally after normal completion of source
2990	>	* thenCompose result completes exceptionally if the result of the action does
2991		*/
2992	<	public void testThenRunAsync() {
2993	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2994	<	Noop r = new Noop();
2995	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2996	<	f.complete(null);
2997	<	checkCompletedNormally(g, null);
2998	<
2999	<	// reordered version
3000	<	f = new CompletableFuture<>();
3001	<	f.complete(null);
3002	<	r = new Noop();
3003	<	g = f.thenRunAsync(r);
3004	<	checkCompletedNormally(g, null);
3005	<	}
3006	<
3007	<	/**
3008	<	* thenRunAsync result completes exceptionally after exceptional
3009	<	* completion of source
3010	<	*/
3011	<	public void testThenRunAsync2() {
3012	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3013	<	Noop r = new Noop();
3014	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3015	<	f.completeExceptionally(new CFException());
3016	<	try {
3017	<	g.join();
3018	<	shouldThrow();
3019	<	} catch (CompletionException success) {}
3020	<	checkCompletedWithWrappedCFException(g);
3021	<	}
3022	<
3023	<	/**
3024	<	* thenRunAsync result completes exceptionally if action does
3025	<	*/
3026	<	public void testThenRunAsync3() {
3027	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3028	<	FailingNoop r = new FailingNoop();
3029	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3030	<	f.complete(null);
3031	<	checkCompletedWithWrappedCFException(g);
3032	<	}
3033	<
3034	<	/**
3001	<	* thenRunAsync result completes exceptionally if source cancelled
3002	<	*/
3003	<	public void testThenRunAsync4() {
3004	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3005	<	Noop r = new Noop();
3006	<	CompletableFuture<Void> g = f.thenRunAsync(r);
3007	<	assertTrue(f.cancel(true));
3008	<	checkCompletedWithWrappedCancellationException(g);
3009	<	}
3010	<
3011	<	/**
3012	<	* thenApplyAsync result completes normally after normal completion of source
3013	<	*/
3014	<	public void testThenApplyAsync() {
3015	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3016	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3017	<	f.complete(one);
3018	<	checkCompletedNormally(g, two);
3019	<	}
3020	<
3021	<	/**
3022	<	* thenApplyAsync result completes exceptionally after exceptional
3023	<	* completion of source
3024	<	*/
3025	<	public void testThenApplyAsync2() {
3026	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3027	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3028	<	f.completeExceptionally(new CFException());
3029	<	checkCompletedWithWrappedCFException(g);
3030	<	}
3031	<
3032	<	/**
3033	<	* thenApplyAsync result completes exceptionally if action does
3034	<	*/
3035	<	public void testThenApplyAsync3() {
3036	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3037	<	FailingFunction r = new FailingFunction();
3038	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
3039	<	f.complete(null);
3040	<	checkCompletedWithWrappedCFException(g);
3041	<	}
3042	<
3043	<	/**
3044	<	* thenApplyAsync result completes exceptionally if source cancelled
3045	<	*/
3046	<	public void testThenApplyAsync4() {
3047	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3048	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
3049	<	assertTrue(f.cancel(true));
3050	<	checkCompletedWithWrappedCancellationException(g);
3051	<	}
3052	<
3053	<	/**
3054	<	* thenAcceptAsync result completes normally after normal
3055	<	* completion of source
3056	<	*/
3057	<	public void testThenAcceptAsync() {
3058	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3059	<	IncAction r = new IncAction();
3060	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3061	<	f.complete(one);
3062	<	checkCompletedNormally(g, null);
3063	<	assertEquals(r.value, (Integer) 2);
3064	<	}
3065	<
3066	<	/**
3067	<	* thenAcceptAsync result completes exceptionally after exceptional
3068	<	* completion of source
3069	<	*/
3070	<	public void testThenAcceptAsync2() {
3071	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3072	<	IncAction r = new IncAction();
3073	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3074	<	f.completeExceptionally(new CFException());
3075	<	checkCompletedWithWrappedCFException(g);
3076	<	}
3077	<
3078	<	/**
3079	<	* thenAcceptAsync result completes exceptionally if action does
3080	<	*/
3081	<	public void testThenAcceptAsync3() {
3082	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3083	<	FailingConsumer r = new FailingConsumer();
3084	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3085	<	f.complete(null);
3086	<	checkCompletedWithWrappedCFException(g);
3087	<	}
3088	<
3089	<	/**
3090	<	* thenAcceptAsync result completes exceptionally if source cancelled
3091	<	*/
3092	<	public void testThenAcceptAsync4() {
3093	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3094	<	IncAction r = new IncAction();
3095	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3096	<	assertTrue(f.cancel(true));
3097	<	checkCompletedWithWrappedCancellationException(g);
3098	<	}
3099	<
3100	<	// async with explicit executors
3101	<
3102	<	/**
3103	<	* thenRunAsync result completes normally after normal completion of source
3104	<	*/
3105	<	public void testThenRunAsyncE() {
3106	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3107	<	Noop r = new Noop();
3108	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3109	<	f.complete(null);
3110	<	checkCompletedNormally(g, null);
3111	<
3112	<	// reordered version
3113	<	f = new CompletableFuture<>();
3114	<	f.complete(null);
3115	<	r = new Noop();
3116	<	g = f.thenRunAsync(r, new ThreadExecutor());
3117	<	checkCompletedNormally(g, null);
3118	<	}
3119	<
3120	<	/**
3121	<	* thenRunAsync result completes exceptionally after exceptional
3122	<	* completion of source
3123	<	*/
3124	<	public void testThenRunAsync2E() {
3125	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3126	<	Noop r = new Noop();
3127	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3128	<	f.completeExceptionally(new CFException());
3129	<	try {
3130	<	g.join();
3131	<	shouldThrow();
3132	<	} catch (CompletionException success) {}
3133	<	checkCompletedWithWrappedCFException(g);
3134	<	}
3135	<
3136	<	/**
3137	<	* thenRunAsync result completes exceptionally if action does
3138	<	*/
3139	<	public void testThenRunAsync3E() {
3140	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3141	<	FailingNoop r = new FailingNoop();
3142	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3143	<	f.complete(null);
3144	<	checkCompletedWithWrappedCFException(g);
3145	<	}
3146	<
3147	<	/**
3148	<	* thenRunAsync result completes exceptionally if source cancelled
3149	<	*/
3150	<	public void testThenRunAsync4E() {
3151	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3152	<	Noop r = new Noop();
3153	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3154	<	assertTrue(f.cancel(true));
3155	<	checkCompletedWithWrappedCancellationException(g);
3156	<	}
3157	<
3158	<	/**
3159	<	* thenApplyAsync result completes normally after normal completion of source
3160	<	*/
3161	<	public void testThenApplyAsyncE() {
3162	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3163	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3164	<	f.complete(one);
3165	<	checkCompletedNormally(g, two);
3166	<	}
3167	<
3168	<	/**
3169	<	* thenApplyAsync result completes exceptionally after exceptional
3170	<	* completion of source
3171	<	*/
3172	<	public void testThenApplyAsync2E() {
3173	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3174	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3175	<	f.completeExceptionally(new CFException());
3176	<	checkCompletedWithWrappedCFException(g);
3177	<	}
3178	<
3179	<	/**
3180	<	* thenApplyAsync result completes exceptionally if action does
3181	<	*/
3182	<	public void testThenApplyAsync3E() {
3183	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3184	<	FailingFunction r = new FailingFunction();
3185	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3186	<	f.complete(null);
3187	<	checkCompletedWithWrappedCFException(g);
3188	<	}
3189	<
3190	<	/**
3191	<	* thenApplyAsync result completes exceptionally if source cancelled
3192	<	*/
3193	<	public void testThenApplyAsync4E() {
3194	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3195	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3196	<	assertTrue(f.cancel(true));
3197	<	checkCompletedWithWrappedCancellationException(g);
3198	<	}
3199	<
3200	<	/**
3201	<	* thenAcceptAsync result completes normally after normal
3202	<	* completion of source
3203	<	*/
3204	<	public void testThenAcceptAsyncE() {
3205	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3206	<	IncAction r = new IncAction();
3207	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3208	<	f.complete(one);
3209	<	checkCompletedNormally(g, null);
3210	<	assertEquals(r.value, (Integer) 2);
3211	<	}
3212	<
3213	<	/**
3214	<	* thenAcceptAsync result completes exceptionally after exceptional
3215	<	* completion of source
3216	<	*/
3217	<	public void testThenAcceptAsync2E() {
3218	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3219	<	IncAction r = new IncAction();
3220	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3221	<	f.completeExceptionally(new CFException());
3222	<	checkCompletedWithWrappedCFException(g);
3223	<	}
3224	<
3225	<	/**
3226	<	* thenAcceptAsync result completes exceptionally if action does
3227	<	*/
3228	<	public void testThenAcceptAsync3E() {
3229	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3230	<	FailingConsumer r = new FailingConsumer();
3231	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3232	<	f.complete(null);
3233	<	checkCompletedWithWrappedCFException(g);
3234	<	}
2992	>	public void testThenCompose_actionReturnsFailingFuture() {
2993	>	for (ExecutionMode m : ExecutionMode.values())
2994	>	for (int order = 0; order < 6; order++)
2995	>	for (Integer v1 : new Integer[] { 1, null })
2996	>	{
2997	>	final CFException ex = new CFException();
2998	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2999	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3000	>	final CompletableFuture<Integer> h;
3001	>	// Test all permutations of orders
3002	>	switch (order) {
3003	>	case 0:
3004	>	assertTrue(f.complete(v1));
3005	>	assertTrue(g.completeExceptionally(ex));
3006	>	h = m.thenCompose(f, (x -> g));
3007	>	break;
3008	>	case 1:
3009	>	assertTrue(f.complete(v1));
3010	>	h = m.thenCompose(f, (x -> g));
3011	>	assertTrue(g.completeExceptionally(ex));
3012	>	break;
3013	>	case 2:
3014	>	assertTrue(g.completeExceptionally(ex));
3015	>	assertTrue(f.complete(v1));
3016	>	h = m.thenCompose(f, (x -> g));
3017	>	break;
3018	>	case 3:
3019	>	assertTrue(g.completeExceptionally(ex));
3020	>	h = m.thenCompose(f, (x -> g));
3021	>	assertTrue(f.complete(v1));
3022	>	break;
3023	>	case 4:
3024	>	h = m.thenCompose(f, (x -> g));
3025	>	assertTrue(f.complete(v1));
3026	>	assertTrue(g.completeExceptionally(ex));
3027	>	break;
3028	>	case 5:
3029	>	h = m.thenCompose(f, (x -> g));
3030	>	assertTrue(f.complete(v1));
3031	>	assertTrue(g.completeExceptionally(ex));
3032	>	break;
3033	>	default: throw new AssertionError();
3034	>	}
3035
3036	<	/**
3037	<	* thenAcceptAsync result completes exceptionally if source cancelled
3038	<	*/
3039	<	public void testThenAcceptAsync4E() {
3240	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3241	<	IncAction r = new IncAction();
3242	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3243	<	assertTrue(f.cancel(true));
3244	<	checkCompletedWithWrappedCancellationException(g);
3245	<	}
3036	>	checkCompletedExceptionally(g, ex);
3037	>	checkCompletedWithWrappedException(h, ex);
3038	>	checkCompletedNormally(f, v1);
3039	>	}}
3040
3041		// other static methods
3042
#	Line 3260 | Line 3054 | public class CompletableFutureTest exten
3054		* when all components complete normally
3055		*/
3056		public void testAllOf_normal() throws Exception {
3057	<	for (int k = 1; k < 20; ++k) {
3058	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3059	<	for (int i = 0; i < k; ++i)
3057	>	for (int k = 1; k < 10; k++) {
3058	>	CompletableFuture<Integer>[] fs
3059	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3060	>	for (int i = 0; i < k; i++)
3061		fs[i] = new CompletableFuture<>();
3062		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3063	<	for (int i = 0; i < k; ++i) {
3063	>	for (int i = 0; i < k; i++) {
3064		checkIncomplete(f);
3065		checkIncomplete(CompletableFuture.allOf(fs));
3066		fs[i].complete(one);
#	Line 3275 | Line 3070 | public class CompletableFutureTest exten
3070		}
3071		}
3072
3073	+	public void testAllOf_normal_backwards() throws Exception {
3074	+	for (int k = 1; k < 10; k++) {
3075	+	CompletableFuture<Integer>[] fs
3076	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3077	+	for (int i = 0; i < k; i++)
3078	+	fs[i] = new CompletableFuture<>();
3079	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3080	+	for (int i = k - 1; i >= 0; i--) {
3081	+	checkIncomplete(f);
3082	+	checkIncomplete(CompletableFuture.allOf(fs));
3083	+	fs[i].complete(one);
3084	+	}
3085	+	checkCompletedNormally(f, null);
3086	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3087	+	}
3088	+	}
3089	+
3090	+	public void testAllOf_exceptional() throws Exception {
3091	+	for (int k = 1; k < 10; k++) {
3092	+	CompletableFuture<Integer>[] fs
3093	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3094	+	CFException ex = new CFException();
3095	+	for (int i = 0; i < k; i++)
3096	+	fs[i] = new CompletableFuture<>();
3097	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3098	+	for (int i = 0; i < k; i++) {
3099	+	checkIncomplete(f);
3100	+	checkIncomplete(CompletableFuture.allOf(fs));
3101	+	if (i != k / 2) {
3102	+	fs[i].complete(i);
3103	+	checkCompletedNormally(fs[i], i);
3104	+	} else {
3105	+	fs[i].completeExceptionally(ex);
3106	+	checkCompletedExceptionally(fs[i], ex);
3107	+	}
3108	+	}
3109	+	checkCompletedWithWrappedException(f, ex);
3110	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3111	+	}
3112	+	}
3113	+
3114		/**
3115		* anyOf(no component futures) returns an incomplete future
3116		*/
3117		public void testAnyOf_empty() throws Exception {
3118	+	for (Integer v1 : new Integer[] { 1, null })
3119	+	{
3120		CompletableFuture<Object> f = CompletableFuture.anyOf();
3121		checkIncomplete(f);
3122	<	}
3122	>
3123	>	f.complete(v1);
3124	>	checkCompletedNormally(f, v1);
3125	>	}}
3126
3127		/**
3128		* anyOf returns a future completed normally with a value when
3129		* a component future does
3130		*/
3131		public void testAnyOf_normal() throws Exception {
3132	<	for (int k = 0; k < 10; ++k) {
3132	>	for (int k = 0; k < 10; k++) {
3133		CompletableFuture[] fs = new CompletableFuture[k];
3134	<	for (int i = 0; i < k; ++i)
3134	>	for (int i = 0; i < k; i++)
3135		fs[i] = new CompletableFuture<>();
3136		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3137		checkIncomplete(f);
3138	<	for (int i = 0; i < k; ++i) {
3139	<	fs[i].complete(one);
3140	<	checkCompletedNormally(f, one);
3141	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3138	>	for (int i = 0; i < k; i++) {
3139	>	fs[i].complete(i);
3140	>	checkCompletedNormally(f, 0);
3141	>	int x = (int) CompletableFuture.anyOf(fs).join();
3142	>	assertTrue(0 <= x && x <= i);
3143	>	}
3144	>	}
3145	>	}
3146	>	public void testAnyOf_normal_backwards() throws Exception {
3147	>	for (int k = 0; k < 10; k++) {
3148	>	CompletableFuture[] fs = new CompletableFuture[k];
3149	>	for (int i = 0; i < k; i++)
3150	>	fs[i] = new CompletableFuture<>();
3151	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3152	>	checkIncomplete(f);
3153	>	for (int i = k - 1; i >= 0; i--) {
3154	>	fs[i].complete(i);
3155	>	checkCompletedNormally(f, k - 1);
3156	>	int x = (int) CompletableFuture.anyOf(fs).join();
3157	>	assertTrue(i <= x && x <= k - 1);
3158		}
3159		}
3160		}
#	Line 3306 | Line 3163 | public class CompletableFutureTest exten
3163		* anyOf result completes exceptionally when any component does.
3164		*/
3165		public void testAnyOf_exceptional() throws Exception {
3166	<	for (int k = 0; k < 10; ++k) {
3166	>	for (int k = 0; k < 10; k++) {
3167	>	CompletableFuture[] fs = new CompletableFuture[k];
3168	>	CFException[] exs = new CFException[k];
3169	>	for (int i = 0; i < k; i++) {
3170	>	fs[i] = new CompletableFuture<>();
3171	>	exs[i] = new CFException();
3172	>	}
3173	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3174	>	checkIncomplete(f);
3175	>	for (int i = 0; i < k; i++) {
3176	>	fs[i].completeExceptionally(exs[i]);
3177	>	checkCompletedWithWrappedException(f, exs[0]);
3178	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3179	>	}
3180	>	}
3181	>	}
3182	>
3183	>	public void testAnyOf_exceptional_backwards() throws Exception {
3184	>	for (int k = 0; k < 10; k++) {
3185		CompletableFuture[] fs = new CompletableFuture[k];
3186	<	for (int i = 0; i < k; ++i)
3186	>	CFException[] exs = new CFException[k];
3187	>	for (int i = 0; i < k; i++) {
3188		fs[i] = new CompletableFuture<>();
3189	+	exs[i] = new CFException();
3190	+	}
3191		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3192		checkIncomplete(f);
3193	<	for (int i = 0; i < k; ++i) {
3194	<	fs[i].completeExceptionally(new CFException());
3195	<	checkCompletedWithWrappedCFException(f);
3193	>	for (int i = k - 1; i >= 0; i--) {
3194	>	fs[i].completeExceptionally(exs[i]);
3195	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3196		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3197		}
3198		}
#	Line 3327 | Line 3205 | public class CompletableFutureTest exten
3205		CompletableFuture<Integer> f = new CompletableFuture<>();
3206		CompletableFuture<Integer> g = new CompletableFuture<>();
3207		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3330	–	CompletableFuture<?> h;
3208		ThreadExecutor exec = new ThreadExecutor();
3209
3210		Runnable[] throwingActions = {
3211		() -> CompletableFuture.supplyAsync(null),
3212		() -> CompletableFuture.supplyAsync(null, exec),
3213	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3213	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3214
3215		() -> CompletableFuture.runAsync(null),
3216		() -> CompletableFuture.runAsync(null, exec),
#	Line 3406 | Line 3283 | public class CompletableFutureTest exten
3283
3284		() -> f.thenCompose(null),
3285		() -> f.thenComposeAsync(null),
3286	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3286	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3287		() -> f.thenComposeAsync(null, exec),
3288
3289		() -> f.exceptionally(null),
#	Line 3424 | Line 3301 | public class CompletableFutureTest exten
3301		() -> CompletableFuture.anyOf(null, f),
3302
3303		() -> f.obtrudeException(null),
3304	+
3305	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3306	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3307	+	() -> CompletableFuture.delayedExecutor(1L, null),
3308	+
3309	+	() -> f.orTimeout(1L, null),
3310	+	() -> f.completeOnTimeout(42, 1L, null),
3311	+
3312	+	() -> CompletableFuture.failedFuture(null),
3313	+	() -> CompletableFuture.failedStage(null),
3314		};
3315
3316		assertThrows(NullPointerException.class, throwingActions);
3317		assertEquals(0, exec.count.get());
3318		}
3319
3320	+	static class CountingRejectingExecutor implements Executor {
3321	+	final RejectedExecutionException ex = new RejectedExecutionException();
3322	+	final AtomicInteger count = new AtomicInteger(0);
3323	+	public void execute(Runnable r) {
3324	+	count.getAndIncrement();
3325	+	throw ex;
3326	+	}
3327	+	}
3328	+
3329	+	/**
3330	+	* Test submissions to an executor that rejects all tasks.
3331	+	*/
3332	+	public void testRejectingExecutor() {
3333	+	for (Integer v : new Integer[] { 1, null }) {
3334	+
3335	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3336	+
3337	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3338	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3339	+
3340	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3341	+
3342	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3343	+	srcs.add(complete);
3344	+	srcs.add(incomplete);
3345	+
3346	+	for (CompletableFuture<Integer> src : srcs) {
3347	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3348	+	fs.add(src.thenRunAsync(() -> {}, e));
3349	+	fs.add(src.thenAcceptAsync((z) -> {}, e));
3350	+	fs.add(src.thenApplyAsync((z) -> z, e));
3351	+
3352	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3353	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3354	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3355	+
3356	+	fs.add(src.applyToEitherAsync(src, (z) -> z, e));
3357	+	fs.add(src.acceptEitherAsync(src, (z) -> {}, e));
3358	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3359	+
3360	+	fs.add(src.thenComposeAsync((z) -> null, e));
3361	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3362	+	fs.add(src.handleAsync((z, t) -> null, e));
3363	+
3364	+	for (CompletableFuture<?> future : fs) {
3365	+	if (src.isDone())
3366	+	checkCompletedWithWrappedException(future, e.ex);
3367	+	else
3368	+	checkIncomplete(future);
3369	+	}
3370	+	futures.addAll(fs);
3371	+	}
3372	+
3373	+	{
3374	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3375	+
3376	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3377	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3378	+
3379	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3380	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3381	+
3382	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3383	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3384	+
3385	+	for (CompletableFuture<?> future : fs)
3386	+	checkIncomplete(future);
3387	+	futures.addAll(fs);
3388	+	}
3389	+
3390	+	{
3391	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3392	+
3393	+	fs.add(complete.applyToEitherAsync(incomplete, (z) -> z, e));
3394	+	fs.add(incomplete.applyToEitherAsync(complete, (z) -> z, e));
3395	+
3396	+	fs.add(complete.acceptEitherAsync(incomplete, (z) -> {}, e));
3397	+	fs.add(incomplete.acceptEitherAsync(complete, (z) -> {}, e));
3398	+
3399	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3400	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3401	+
3402	+	for (CompletableFuture<?> future : fs)
3403	+	checkCompletedWithWrappedException(future, e.ex);
3404	+	futures.addAll(fs);
3405	+	}
3406	+
3407	+	incomplete.complete(v);
3408	+
3409	+	for (CompletableFuture<?> future : futures)
3410	+	checkCompletedWithWrappedException(future, e.ex);
3411	+
3412	+	assertEquals(futures.size(), e.count.get());
3413	+
3414	+	}
3415	+	}
3416	+
3417	+	/**
3418	+	* Test submissions to an executor that rejects all tasks, but
3419	+	* should never be invoked because the dependent future is
3420	+	* explicitly completed.
3421	+	*/
3422	+	public void testRejectingExecutorNeverInvoked() {
3423	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3424	+
3425	+	for (Integer v : new Integer[] { 1, null }) {
3426	+
3427	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3428	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3429	+
3430	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3431	+
3432	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3433	+	srcs.add(complete);
3434	+	srcs.add(incomplete);
3435	+
3436	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3437	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3438	+	fs.add(incomplete.thenAcceptAsync((z) -> {}, e));
3439	+	fs.add(incomplete.thenApplyAsync((z) -> z, e));
3440	+
3441	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3442	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3443	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3444	+
3445	+	fs.add(incomplete.applyToEitherAsync(incomplete, (z) -> z, e));
3446	+	fs.add(incomplete.acceptEitherAsync(incomplete, (z) -> {}, e));
3447	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3448	+
3449	+	fs.add(incomplete.thenComposeAsync((z) -> null, e));
3450	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3451	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3452	+
3453	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3454	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3455	+
3456	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3457	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3458	+
3459	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3460	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3461	+
3462	+	for (CompletableFuture<?> future : fs)
3463	+	checkIncomplete(future);
3464	+
3465	+	for (CompletableFuture<?> future : fs)
3466	+	future.complete(null);
3467	+
3468	+	incomplete.complete(v);
3469	+
3470	+	for (CompletableFuture<?> future : fs)
3471	+	checkCompletedNormally(future, null);
3472	+
3473	+	assertEquals(0, e.count.get());
3474	+
3475	+	}
3476	+	}
3477	+
3478		/**
3479		* toCompletableFuture returns this CompletableFuture.
3480		*/
#	Line 3438 | Line 3483 | public class CompletableFutureTest exten
3483		assertSame(f, f.toCompletableFuture());
3484		}
3485
3486	+	// jdk9
3487	+
3488		/**
3489	<	* whenComplete action executes on normal completion, propagating
3443	<	* source result.
3489	>	* newIncompleteFuture returns an incomplete CompletableFuture
3490		*/
3491	<	public void testWhenComplete_normalCompletion1() {
3446	<	for (ExecutionMode m : ExecutionMode.values())
3447	<	for (boolean createIncomplete : new boolean[] { true, false })
3491	>	public void testNewIncompleteFuture() {
3492		for (Integer v1 : new Integer[] { 1, null })
3493		{
3494	<	final AtomicInteger a = new AtomicInteger(0);
3495	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3496	<	if (!createIncomplete) f.complete(v1);
3497	<	final CompletableFuture<Integer> g = m.whenComplete
3498	<	(f,
3455	<	(Integer x, Throwable t) -> {
3456	<	threadAssertSame(x, v1);
3457	<	threadAssertNull(t);
3458	<	a.getAndIncrement();
3459	<	});
3460	<	if (createIncomplete) f.complete(v1);
3461	<
3462	<	checkCompletedNormally(g, v1);
3494	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3495	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3496	>	checkIncomplete(f);
3497	>	checkIncomplete(g);
3498	>	f.complete(v1);
3499		checkCompletedNormally(f, v1);
3500	<	assertEquals(1, a.get());
3500	>	checkIncomplete(g);
3501	>	g.complete(v1);
3502	>	checkCompletedNormally(g, v1);
3503	>	assertSame(g.getClass(), CompletableFuture.class);
3504		}}
3505
3506		/**
3507	<	* whenComplete action executes on exceptional completion, propagating
3469	<	* source result.
3507	>	* completedStage returns a completed CompletionStage
3508		*/
3509	<	public void testWhenComplete_exceptionalCompletion() {
3510	<	for (ExecutionMode m : ExecutionMode.values())
3511	<	for (boolean createIncomplete : new boolean[] { true, false })
3509	>	public void testCompletedStage() {
3510	>	AtomicInteger x = new AtomicInteger(0);
3511	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3512	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3513	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3514	>	assertEquals(x.get(), 1);
3515	>	assertNull(r.get());
3516	>	}
3517	>
3518	>	/**
3519	>	* defaultExecutor by default returns the commonPool if
3520	>	* it supports more than one thread.
3521	>	*/
3522	>	public void testDefaultExecutor() {
3523	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3524	>	Executor e = f.defaultExecutor();
3525	>	Executor c = ForkJoinPool.commonPool();
3526	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3527	>	assertSame(e, c);
3528	>	else
3529	>	assertNotSame(e, c);
3530	>	}
3531	>
3532	>	/**
3533	>	* failedFuture returns a CompletableFuture completed
3534	>	* exceptionally with the given Exception
3535	>	*/
3536	>	public void testFailedFuture() {
3537	>	CFException ex = new CFException();
3538	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3539	>	checkCompletedExceptionally(f, ex);
3540	>	}
3541	>
3542	>	/**
3543	>	* failedFuture(null) throws NPE
3544	>	*/
3545	>	public void testFailedFuture_null() {
3546	>	try {
3547	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3548	>	shouldThrow();
3549	>	} catch (NullPointerException success) {}
3550	>	}
3551	>
3552	>	/**
3553	>	* copy returns a CompletableFuture that is completed normally,
3554	>	* with the same value, when source is.
3555	>	*/
3556	>	public void testCopy() {
3557	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3558	>	CompletableFuture<Integer> g = f.copy();
3559	>	checkIncomplete(f);
3560	>	checkIncomplete(g);
3561	>	f.complete(1);
3562	>	checkCompletedNormally(f, 1);
3563	>	checkCompletedNormally(g, 1);
3564	>	}
3565	>
3566	>	/**
3567	>	* copy returns a CompletableFuture that is completed exceptionally
3568	>	* when source is.
3569	>	*/
3570	>	public void testCopy2() {
3571	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3572	>	CompletableFuture<Integer> g = f.copy();
3573	>	checkIncomplete(f);
3574	>	checkIncomplete(g);
3575	>	CFException ex = new CFException();
3576	>	f.completeExceptionally(ex);
3577	>	checkCompletedExceptionally(f, ex);
3578	>	checkCompletedWithWrappedException(g, ex);
3579	>	}
3580	>
3581	>	/**
3582	>	* minimalCompletionStage returns a CompletableFuture that is
3583	>	* completed normally, with the same value, when source is.
3584	>	*/
3585	>	public void testMinimalCompletionStage() {
3586	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3587	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3588	>	AtomicInteger x = new AtomicInteger(0);
3589	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3590	>	checkIncomplete(f);
3591	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3592	>	f.complete(1);
3593	>	checkCompletedNormally(f, 1);
3594	>	assertEquals(x.get(), 1);
3595	>	assertNull(r.get());
3596	>	}
3597	>
3598	>	/**
3599	>	* minimalCompletionStage returns a CompletableFuture that is
3600	>	* completed exceptionally when source is.
3601	>	*/
3602	>	public void testMinimalCompletionStage2() {
3603	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3604	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3605	>	AtomicInteger x = new AtomicInteger(0);
3606	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3607	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3608	>	checkIncomplete(f);
3609	>	CFException ex = new CFException();
3610	>	f.completeExceptionally(ex);
3611	>	checkCompletedExceptionally(f, ex);
3612	>	assertEquals(x.get(), 0);
3613	>	assertEquals(r.get().getCause(), ex);
3614	>	}
3615	>
3616	>	/**
3617	>	* failedStage returns a CompletionStage completed
3618	>	* exceptionally with the given Exception
3619	>	*/
3620	>	public void testFailedStage() {
3621	>	CFException ex = new CFException();
3622	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3623	>	AtomicInteger x = new AtomicInteger(0);
3624	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3625	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3626	>	assertEquals(x.get(), 0);
3627	>	assertEquals(r.get(), ex);
3628	>	}
3629	>
3630	>	/**
3631	>	* completeAsync completes with value of given supplier
3632	>	*/
3633	>	public void testCompleteAsync() {
3634		for (Integer v1 : new Integer[] { 1, null })
3635		{
3636	<	final AtomicInteger a = new AtomicInteger(0);
3637	<	final CFException ex = new CFException();
3638	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3639	<	if (!createIncomplete) f.completeExceptionally(ex);
3480	<	final CompletableFuture<Integer> g = m.whenComplete
3481	<	(f,
3482	<	(Integer x, Throwable t) -> {
3483	<	threadAssertNull(x);
3484	<	threadAssertSame(t, ex);
3485	<	a.getAndIncrement();
3486	<	});
3487	<	if (createIncomplete) f.completeExceptionally(ex);
3488	<	checkCompletedWithWrappedCFException(f, ex);
3489	<	checkCompletedWithWrappedCFException(g, ex);
3490	<	assertEquals(1, a.get());
3636	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3637	>	f.completeAsync(() -> v1);
3638	>	f.join();
3639	>	checkCompletedNormally(f, v1);
3640		}}
3641
3642		/**
3643	<	* whenComplete action executes on cancelled source, propagating
3495	<	* CancellationException.
3643	>	* completeAsync completes exceptionally if given supplier throws
3644		*/
3645	<	public void testWhenComplete_sourceCancelled() {
3646	<	for (ExecutionMode m : ExecutionMode.values())
3647	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3648	<	for (boolean createIncomplete : new boolean[] { true, false })
3645	>	public void testCompleteAsync2() {
3646	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3647	>	CFException ex = new CFException();
3648	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3649	>	try {
3650	>	f.join();
3651	>	shouldThrow();
3652	>	} catch (CompletionException success) {}
3653	>	checkCompletedWithWrappedException(f, ex);
3654	>	}
3655	>
3656	>	/**
3657	>	* completeAsync with given executor completes with value of given supplier
3658	>	*/
3659	>	public void testCompleteAsync3() {
3660	>	for (Integer v1 : new Integer[] { 1, null })
3661		{
3662	<	final AtomicInteger a = new AtomicInteger(0);
3663	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3664	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3665	<	final CompletableFuture<Integer> g = m.whenComplete
3666	<	(f,
3667	<	(Integer x, Throwable t) -> {
3668	<	threadAssertNull(x);
3509	<	threadAssertTrue(t instanceof CancellationException);
3510	<	a.getAndIncrement();
3511	<	});
3512	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3662	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3663	>	ThreadExecutor executor = new ThreadExecutor();
3664	>	f.completeAsync(() -> v1, executor);
3665	>	assertSame(v1, f.join());
3666	>	checkCompletedNormally(f, v1);
3667	>	assertEquals(1, executor.count.get());
3668	>	}}
3669
3670	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3671	<	checkCompletedWithWrappedCancellationException(g);
3672	<	checkCancelled(f);
3673	<	assertEquals(1, a.get());
3670	>	/**
3671	>	* completeAsync with given executor completes exceptionally if
3672	>	* given supplier throws
3673	>	*/
3674	>	public void testCompleteAsync4() {
3675	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3676	>	CFException ex = new CFException();
3677	>	ThreadExecutor executor = new ThreadExecutor();
3678	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3679	>	try {
3680	>	f.join();
3681	>	shouldThrow();
3682	>	} catch (CompletionException success) {}
3683	>	checkCompletedWithWrappedException(f, ex);
3684	>	assertEquals(1, executor.count.get());
3685	>	}
3686	>
3687	>	/**
3688	>	* orTimeout completes with TimeoutException if not complete
3689	>	*/
3690	>	public void testOrTimeout_timesOut() {
3691	>	long timeoutMillis = timeoutMillis();
3692	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3693	>	long startTime = System.nanoTime();
3694	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3695	>	checkCompletedWithTimeoutException(f);
3696	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3697	>	}
3698	>
3699	>	/**
3700	>	* orTimeout completes normally if completed before timeout
3701	>	*/
3702	>	public void testOrTimeout_completed() {
3703	>	for (Integer v1 : new Integer[] { 1, null })
3704	>	{
3705	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3706	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3707	>	long startTime = System.nanoTime();
3708	>	f.complete(v1);
3709	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3710	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3711	>	g.complete(v1);
3712	>	checkCompletedNormally(f, v1);
3713	>	checkCompletedNormally(g, v1);
3714	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3715		}}
3716
3717		/**
3718	<	* If a whenComplete action throws an exception when triggered by
3522	<	* a normal completion, it completes exceptionally
3718	>	* completeOnTimeout completes with given value if not complete
3719		*/
3720	<	public void testWhenComplete_actionFailed() {
3721	<	for (boolean createIncomplete : new boolean[] { true, false })
3722	<	for (ExecutionMode m : ExecutionMode.values())
3720	>	public void testCompleteOnTimeout_timesOut() {
3721	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3722	>	() -> testCompleteOnTimeout_timesOut(null));
3723	>	}
3724	>
3725	>	/**
3726	>	* completeOnTimeout completes with given value if not complete
3727	>	*/
3728	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3729	>	long timeoutMillis = timeoutMillis();
3730	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3731	>	long startTime = System.nanoTime();
3732	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3733	>	assertSame(v, f.join());
3734	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3735	>	f.complete(99);         // should have no effect
3736	>	checkCompletedNormally(f, v);
3737	>	}
3738	>
3739	>	/**
3740	>	* completeOnTimeout has no effect if completed within timeout
3741	>	*/
3742	>	public void testCompleteOnTimeout_completed() {
3743		for (Integer v1 : new Integer[] { 1, null })
3744		{
3745	<	final AtomicInteger a = new AtomicInteger(0);
3746	<	final CFException ex = new CFException();
3747	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3748	<	if (!createIncomplete) f.complete(v1);
3749	<	final CompletableFuture<Integer> g = m.whenComplete
3750	<	(f,
3751	<	(Integer x, Throwable t) -> {
3536	<	threadAssertSame(x, v1);
3537	<	threadAssertNull(t);
3538	<	a.getAndIncrement();
3539	<	throw ex;
3540	<	});
3541	<	if (createIncomplete) f.complete(v1);
3745	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3746	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3747	>	long startTime = System.nanoTime();
3748	>	f.complete(v1);
3749	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3750	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3751	>	g.complete(v1);
3752		checkCompletedNormally(f, v1);
3753	<	checkCompletedWithWrappedCFException(g, ex);
3754	<	assertEquals(1, a.get());
3753	>	checkCompletedNormally(g, v1);
3754	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3755		}}
3756
3757		/**
3758	<	* If a whenComplete action throws an exception when triggered by
3549	<	* a source completion that also throws an exception, the source
3550	<	* exception takes precedence.
3758	>	* delayedExecutor returns an executor that delays submission
3759		*/
3760	<	public void testWhenComplete_actionFailedSourceFailed() {
3761	<	for (boolean createIncomplete : new boolean[] { true, false })
3760	>	public void testDelayedExecutor() {
3761	>	testInParallel(() -> testDelayedExecutor(null, null),
3762	>	() -> testDelayedExecutor(null, 1),
3763	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3764	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3765	>	}
3766	>
3767	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3768	>	long timeoutMillis = timeoutMillis();
3769	>	// Use an "unreasonably long" long timeout to catch lingering threads
3770	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3771	>	final Executor delayer, longDelayer;
3772	>	if (executor == null) {
3773	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3774	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3775	>	} else {
3776	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3777	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3778	>	}
3779	>	long startTime = System.nanoTime();
3780	>	CompletableFuture<Integer> f =
3781	>	CompletableFuture.supplyAsync(() -> v, delayer);
3782	>	CompletableFuture<Integer> g =
3783	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3784	>
3785	>	assertNull(g.getNow(null));
3786	>
3787	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3788	>	long millisElapsed = millisElapsedSince(startTime);
3789	>	assertTrue(millisElapsed >= timeoutMillis);
3790	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3791	>
3792	>	checkCompletedNormally(f, v);
3793	>
3794	>	checkIncomplete(g);
3795	>	assertTrue(g.cancel(true));
3796	>	}
3797	>
3798	>	//--- tests of implementation details; not part of official tck ---
3799	>
3800	>	Object resultOf(CompletableFuture<?> f) {
3801	>	SecurityManager sm = System.getSecurityManager();
3802	>	if (sm != null) {
3803	>	try {
3804	>	System.setSecurityManager(null);
3805	>	} catch (SecurityException giveUp) {
3806	>	return "Reflection not available";
3807	>	}
3808	>	}
3809	>
3810	>	try {
3811	>	java.lang.reflect.Field resultField
3812	>	= CompletableFuture.class.getDeclaredField("result");
3813	>	resultField.setAccessible(true);
3814	>	return resultField.get(f);
3815	>	} catch (Throwable t) {
3816	>	throw new AssertionError(t);
3817	>	} finally {
3818	>	if (sm != null) System.setSecurityManager(sm);
3819	>	}
3820	>	}
3821	>
3822	>	public void testExceptionPropagationReusesResultObject() {
3823	>	if (!testImplementationDetails) return;
3824		for (ExecutionMode m : ExecutionMode.values())
3555	–	for (Integer v1 : new Integer[] { 1, null })
3825		{
3826	<	final AtomicInteger a = new AtomicInteger(0);
3827	<	final CFException ex1 = new CFException();
3828	<	final CFException ex2 = new CFException();
3560	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3826	>	final CFException ex = new CFException();
3827	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3828	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3829
3830	<	if (!createIncomplete) f.completeExceptionally(ex1);
3831	<	final CompletableFuture<Integer> g = m.whenComplete
3564	<	(f,
3565	<	(Integer x, Throwable t) -> {
3566	<	threadAssertSame(t, ex1);
3567	<	threadAssertNull(x);
3568	<	a.getAndIncrement();
3569	<	throw ex2;
3570	<	});
3571	<	if (createIncomplete) f.completeExceptionally(ex1);
3830	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3831	>	= new ArrayList<>();
3832
3833	<	checkCompletedWithWrappedCFException(f, ex1);
3834	<	checkCompletedWithWrappedCFException(g, ex1);
3835	<	assertEquals(1, a.get());
3833	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3834	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3835	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3836	>
3837	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3838	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3839	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3840	>
3841	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3842	>	funs.add((y) -> m.runAfterBoth(v42, y, new Noop(m)));
3843	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3844	>	funs.add((y) -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3845	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3846	>	funs.add((y) -> m.thenCombine(v42, y, new SubtractFunction(m)));
3847	>
3848	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3849	>
3850	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3851	>
3852	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y}));
3853	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3854	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {v42, y}));
3855	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y}));
3856	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3857	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {incomplete, y}));
3858	>
3859	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3860	>	fun : funs) {
3861	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3862	>	f.completeExceptionally(ex);
3863	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3864	>	checkCompletedWithWrappedException(src, ex);
3865	>	CompletableFuture<?> dep = fun.apply(src);
3866	>	checkCompletedWithWrappedException(dep, ex);
3867	>	assertSame(resultOf(src), resultOf(dep));
3868	>	}
3869	>
3870	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3871	>	fun : funs) {
3872	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3873	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3874	>	CompletableFuture<?> dep = fun.apply(src);
3875	>	f.completeExceptionally(ex);
3876	>	checkCompletedWithWrappedException(src, ex);
3877	>	checkCompletedWithWrappedException(dep, ex);
3878	>	assertSame(resultOf(src), resultOf(dep));
3879	>	}
3880	>
3881	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3882	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3883	>	fun : funs) {
3884	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3885	>	f.cancel(mayInterruptIfRunning);
3886	>	checkCancelled(f);
3887	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3888	>	checkCompletedWithWrappedCancellationException(src);
3889	>	CompletableFuture<?> dep = fun.apply(src);
3890	>	checkCompletedWithWrappedCancellationException(dep);
3891	>	assertSame(resultOf(src), resultOf(dep));
3892	>	}
3893	>
3894	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3895	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3896	>	fun : funs) {
3897	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3898	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3899	>	CompletableFuture<?> dep = fun.apply(src);
3900	>	f.cancel(mayInterruptIfRunning);
3901	>	checkCancelled(f);
3902	>	checkCompletedWithWrappedCancellationException(src);
3903	>	checkCompletedWithWrappedCancellationException(dep);
3904	>	assertSame(resultOf(src), resultOf(dep));
3905	>	}
3906		}}
3907
3908	+	/**
3909	+	* Minimal completion stages throw UOE for all non-CompletionStage methods
3910	+	*/
3911	+	public void testMinimalCompletionStage_minimality() {
3912	+	if (!testImplementationDetails) return;
3913	+	Function<Method, String> toSignature =
3914	+	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3915	+	Predicate<Method> isNotStatic =
3916	+	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3917	+	List<Method> minimalMethods =
3918	+	Stream.of(Object.class, CompletionStage.class)
3919	+	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3920	+	.filter(isNotStatic)
3921	+	.collect(Collectors.toList());
3922	+	// Methods from CompletableFuture permitted NOT to throw UOE
3923	+	String[] signatureWhitelist = {
3924	+	"newIncompleteFuture[]",
3925	+	"defaultExecutor[]",
3926	+	"minimalCompletionStage[]",
3927	+	"copy[]",
3928	+	};
3929	+	Set<String> permittedMethodSignatures =
3930	+	Stream.concat(minimalMethods.stream().map(toSignature),
3931	+	Stream.of(signatureWhitelist))
3932	+	.collect(Collectors.toSet());
3933	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3934	+	.filter(isNotStatic)
3935	+	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3936	+	.collect(Collectors.toList());
3937	+
3938	+	CompletionStage<Integer> minimalStage =
3939	+	new CompletableFuture<Integer>().minimalCompletionStage();
3940	+
3941	+	List<Method> bugs = new ArrayList<>();
3942	+	for (Method method : allMethods) {
3943	+	Class<?>[] parameterTypes = method.getParameterTypes();
3944	+	Object[] args = new Object[parameterTypes.length];
3945	+	// Manufacture boxed primitives for primitive params
3946	+	for (int i = 0; i < args.length; i++) {
3947	+	Class<?> type = parameterTypes[i];
3948	+	if (parameterTypes[i] == boolean.class)
3949	+	args[i] = false;
3950	+	else if (parameterTypes[i] == int.class)
3951	+	args[i] = 0;
3952	+	else if (parameterTypes[i] == long.class)
3953	+	args[i] = 0L;
3954	+	}
3955	+	try {
3956	+	method.invoke(minimalStage, args);
3957	+	bugs.add(method);
3958	+	}
3959	+	catch (java.lang.reflect.InvocationTargetException expected) {
3960	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3961	+	bugs.add(method);
3962	+	// expected.getCause().printStackTrace();
3963	+	}
3964	+	}
3965	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3966	+	}
3967	+	if (!bugs.isEmpty())
3968	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3969	+	}
3970	+
3971	+	static class Monad {
3972	+	static class ZeroException extends RuntimeException {
3973	+	public ZeroException() { super("monadic zero"); }
3974	+	}
3975	+	// "return", "unit"
3976	+	static <T> CompletableFuture<T> unit(T value) {
3977	+	return completedFuture(value);
3978	+	}
3979	+	// monadic zero ?
3980	+	static <T> CompletableFuture<T> zero() {
3981	+	return failedFuture(new ZeroException());
3982	+	}
3983	+	// >=>
3984	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3985	+	(Function<T, CompletableFuture<U>> f,
3986	+	Function<U, CompletableFuture<V>> g) {
3987	+	return (x) -> f.apply(x).thenCompose(g);
3988	+	}
3989	+
3990	+	static void assertZero(CompletableFuture<?> f) {
3991	+	try {
3992	+	f.getNow(null);
3993	+	throw new AssertionFailedError("should throw");
3994	+	} catch (CompletionException success) {
3995	+	assertTrue(success.getCause() instanceof ZeroException);
3996	+	}
3997	+	}
3998	+
3999	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4000	+	CompletableFuture<T> g) {
4001	+	T fval = null, gval = null;
4002	+	Throwable fex = null, gex = null;
4003	+
4004	+	try { fval = f.get(); }
4005	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4006	+	catch (Throwable ex) { fex = ex; }
4007	+
4008	+	try { gval = g.get(); }
4009	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4010	+	catch (Throwable ex) { gex = ex; }
4011	+
4012	+	if (fex != null || gex != null)
4013	+	assertSame(fex.getClass(), gex.getClass());
4014	+	else
4015	+	assertEquals(fval, gval);
4016	+	}
4017	+
4018	+	static class PlusFuture<T> extends CompletableFuture<T> {
4019	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4020	+	}
4021	+
4022	+	/** Implements "monadic plus". */
4023	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4024	+	CompletableFuture<? extends T> g) {
4025	+	PlusFuture<T> plus = new PlusFuture<T>();
4026	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4027	+	try {
4028	+	if (ex == null) {
4029	+	if (plus.complete(result))
4030	+	if (plus.firstFailure.get() != null)
4031	+	plus.firstFailure.set(null);
4032	+	}
4033	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4034	+	if (plus.isDone())
4035	+	plus.firstFailure.set(null);
4036	+	}
4037	+	else {
4038	+	// first failure has precedence
4039	+	Throwable first = plus.firstFailure.getAndSet(null);
4040	+
4041	+	// may fail with "Self-suppression not permitted"
4042	+	try { first.addSuppressed(ex); }
4043	+	catch (Exception ignored) {}
4044	+
4045	+	plus.completeExceptionally(first);
4046	+	}
4047	+	} catch (Throwable unexpected) {
4048	+	plus.completeExceptionally(unexpected);
4049	+	}
4050	+	};
4051	+	f.whenComplete(action);
4052	+	g.whenComplete(action);
4053	+	return plus;
4054	+	}
4055	+	}
4056	+
4057	+	/**
4058	+	* CompletableFuture is an additive monad - sort of.
4059	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4060	+	*/
4061	+	public void testAdditiveMonad() throws Throwable {
4062	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4063	+	CompletableFuture<Long> zero = Monad.zero();
4064	+
4065	+	// Some mutually non-commutative functions
4066	+	Function<Long, CompletableFuture<Long>> triple
4067	+	= (x) -> Monad.unit(3 * x);
4068	+	Function<Long, CompletableFuture<Long>> inc
4069	+	= (x) -> Monad.unit(x + 1);
4070	+
4071	+	// unit is a right identity: m >>= unit === m
4072	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4073	+	inc.apply(5L));
4074	+	// unit is a left identity: (unit x) >>= f === f x
4075	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4076	+	inc.apply(5L));
4077	+
4078	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4079	+	Monad.assertFutureEquals(
4080	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4081	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
4082	+
4083	+	// The case for CompletableFuture as an additive monad is weaker...
4084	+
4085	+	// zero is a monadic zero
4086	+	Monad.assertZero(zero);
4087	+
4088	+	// left zero: zero >>= f === zero
4089	+	Monad.assertZero(zero.thenCompose(inc));
4090	+	// right zero: f >>= (\x -> zero) === zero
4091	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
4092	+
4093	+	// f plus zero === f
4094	+	Monad.assertFutureEquals(Monad.unit(5L),
4095	+	Monad.plus(Monad.unit(5L), zero));
4096	+	// zero plus f === f
4097	+	Monad.assertFutureEquals(Monad.unit(5L),
4098	+	Monad.plus(zero, Monad.unit(5L)));
4099	+	// zero plus zero === zero
4100	+	Monad.assertZero(Monad.plus(zero, zero));
4101	+	{
4102	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4103	+	Monad.unit(8L));
4104	+	// non-determinism
4105	+	assertTrue(f.get() == 5L || f.get() == 8L);
4106	+	}
4107	+
4108	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4109	+	// f plus godot === f (doesn't wait for godot)
4110	+	Monad.assertFutureEquals(Monad.unit(5L),
4111	+	Monad.plus(Monad.unit(5L), godot));
4112	+	// godot plus f === f (doesn't wait for godot)
4113	+	Monad.assertFutureEquals(Monad.unit(5L),
4114	+	Monad.plus(godot, Monad.unit(5L)));
4115	+	}
4116	+
4117	+	/**
4118	+	* A single CompletableFuture with many dependents.
4119	+	* A demo of scalability - runtime is O(n).
4120	+	*/
4121	+	public void testManyDependents() throws Throwable {
4122	+	final int n = 1_000;
4123	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4124	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4125	+	final AtomicInteger count = new AtomicInteger(0);
4126	+	for (int i = 0; i < n; i++) {
4127	+	head.thenRun(() -> count.getAndIncrement());
4128	+	head.thenAccept((x) -> count.getAndIncrement());
4129	+	head.thenApply((x) -> count.getAndIncrement());
4130	+
4131	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4132	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4133	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4134	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4135	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4136	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4137	+
4138	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4139	+	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
4140	+	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
4141	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4142	+	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
4143	+	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
4144	+	}
4145	+	head.complete(null);
4146	+	assertEquals(5 * 3 * n, count.get());
4147	+	}
4148	+
4149	+	//     static <U> U join(CompletionStage<U> stage) {
4150	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4151	+	//         stage.whenComplete((v, ex) -> {
4152	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4153	+	//         });
4154	+	//         return f.join();
4155	+	//     }
4156	+
4157	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4158	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4159	+	//         stage.whenComplete((v, ex) -> {
4160	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4161	+	//         });
4162	+	//         return f.isDone();
4163	+	//     }
4164	+
4165	+	//     static <U> U join2(CompletionStage<U> stage) {
4166	+	//         return stage.toCompletableFuture().copy().join();
4167	+	//     }
4168	+
4169	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4170	+	//         return stage.toCompletableFuture().copy().isDone();
4171	+	//     }
4172	+
4173		}

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