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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 1.157 by jsr166, Mon Jun 27 02:47:42 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	>	static class CountingRejectingExecutor implements Executor {
554	>	final RejectedExecutionException ex = new RejectedExecutionException();
555	>	final AtomicInteger count = new AtomicInteger(0);
556	>	public void execute(Runnable r) {
557	>	count.getAndIncrement();
558	>	throw ex;
559		}
560		}
561
562		// Used for explicit executor tests
563		static final class ThreadExecutor implements Executor {
564	<	AtomicInteger count = new AtomicInteger(0);
564	>	final AtomicInteger count = new AtomicInteger(0);
565	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
566	>	static boolean startedCurrentThread() {
567	>	return Thread.currentThread().getThreadGroup() == tg;
568	>	}
569
570		public void execute(Runnable r) {
571		count.getAndIncrement();
572	<	new Thread(r).start();
572	>	new Thread(tg, r).start();
573		}
574		}
575
576	+	static final boolean defaultExecutorIsCommonPool
577	+	= ForkJoinPool.getCommonPoolParallelism() > 1;
578	+
579		/**
580		* Permits the testing of parallel code for the 3 different
581	<	* execution modes without repeating all the testing code.
581	>	* execution modes without copy/pasting all the test methods.
582		*/
583		enum ExecutionMode {
584	<	DEFAULT {
584	>	SYNC {
585	>	public void checkExecutionMode() {
586	>	assertFalse(ThreadExecutor.startedCurrentThread());
587	>	assertNull(ForkJoinTask.getPool());
588	>	}
589	>	public CompletableFuture<Void> runAsync(Runnable a) {
590	>	throw new UnsupportedOperationException();
591	>	}
592	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
593	>	throw new UnsupportedOperationException();
594	>	}
595		public <T> CompletableFuture<Void> thenRun
596		(CompletableFuture<T> f, Runnable a) {
597		return f.thenRun(a);
#	Line 521 | Line 655 | public class CompletableFutureTest exten
655		}
656		},
657
658	<	DEFAULT_ASYNC {
658	>	ASYNC {
659	>	public void checkExecutionMode() {
660	>	assertEquals(defaultExecutorIsCommonPool,
661	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
662	>	}
663	>	public CompletableFuture<Void> runAsync(Runnable a) {
664	>	return CompletableFuture.runAsync(a);
665	>	}
666	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
667	>	return CompletableFuture.supplyAsync(a);
668	>	}
669		public <T> CompletableFuture<Void> thenRun
670		(CompletableFuture<T> f, Runnable a) {
671		return f.thenRunAsync(a);
#	Line 586 | Line 730 | public class CompletableFutureTest exten
730		},
731
732		EXECUTOR {
733	+	public void checkExecutionMode() {
734	+	assertTrue(ThreadExecutor.startedCurrentThread());
735	+	}
736	+	public CompletableFuture<Void> runAsync(Runnable a) {
737	+	return CompletableFuture.runAsync(a, new ThreadExecutor());
738	+	}
739	+	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
740	+	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
741	+	}
742		public <T> CompletableFuture<Void> thenRun
743		(CompletableFuture<T> f, Runnable a) {
744		return f.thenRunAsync(a, new ThreadExecutor());
#	Line 649 | Line 802 | public class CompletableFutureTest exten
802		}
803		};
804
805	+	public abstract void checkExecutionMode();
806	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
807	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
808		public abstract <T> CompletableFuture<Void> thenRun
809		(CompletableFuture<T> f, Runnable a);
810		public abstract <T> CompletableFuture<Void> thenAccept
#	Line 698 | Line 854 | public class CompletableFutureTest exten
854		{
855		final AtomicInteger a = new AtomicInteger(0);
856		final CompletableFuture<Integer> f = new CompletableFuture<>();
857	<	if (!createIncomplete) f.complete(v1);
857	>	if (!createIncomplete) assertTrue(f.complete(v1));
858		final CompletableFuture<Integer> g = f.exceptionally
859		((Throwable t) -> {
704	–	// Should not be called
860		a.getAndIncrement();
861	<	throw new AssertionError();
861	>	threadFail("should not be called");
862	>	return null;            // unreached
863		});
864	<	if (createIncomplete) f.complete(v1);
864	>	if (createIncomplete) assertTrue(f.complete(v1));
865
866		checkCompletedNormally(g, v1);
867		checkCompletedNormally(f, v1);
868		assertEquals(0, a.get());
869		}}
870
715	–
871		/**
872		* exceptionally action completes with function value on source
873		* exception
#	Line 727 | Line 882 | public class CompletableFutureTest exten
882		if (!createIncomplete) f.completeExceptionally(ex);
883		final CompletableFuture<Integer> g = f.exceptionally
884		((Throwable t) -> {
885	+	ExecutionMode.SYNC.checkExecutionMode();
886		threadAssertSame(t, ex);
887		a.getAndIncrement();
888		return v1;
#	Line 737 | Line 893 | public class CompletableFutureTest exten
893		assertEquals(1, a.get());
894		}}
895
896	+	/**
897	+	* If an "exceptionally action" throws an exception, it completes
898	+	* exceptionally with that exception
899	+	*/
900		public void testExceptionally_exceptionalCompletionActionFailed() {
901		for (boolean createIncomplete : new boolean[] { true, false })
742	–	for (Integer v1 : new Integer[] { 1, null })
902		{
903		final AtomicInteger a = new AtomicInteger(0);
904		final CFException ex1 = new CFException();
#	Line 748 | Line 907 | public class CompletableFutureTest exten
907		if (!createIncomplete) f.completeExceptionally(ex1);
908		final CompletableFuture<Integer> g = f.exceptionally
909		((Throwable t) -> {
910	+	ExecutionMode.SYNC.checkExecutionMode();
911		threadAssertSame(t, ex1);
912		a.getAndIncrement();
913		throw ex2;
914		});
915		if (createIncomplete) f.completeExceptionally(ex1);
916
917	<	checkCompletedWithWrappedCFException(g, ex2);
917	>	checkCompletedWithWrappedException(g, ex2);
918	>	checkCompletedExceptionally(f, ex1);
919		assertEquals(1, a.get());
920		}}
921
922		/**
923	<	* handle action completes normally with function value on normal
924	<	* completion of source
923	>	* whenComplete action executes on normal completion, propagating
924	>	* source result.
925		*/
926	<	public void testHandle_normalCompletion() {
926	>	public void testWhenComplete_normalCompletion() {
927		for (ExecutionMode m : ExecutionMode.values())
928		for (boolean createIncomplete : new boolean[] { true, false })
929		for (Integer v1 : new Integer[] { 1, null })
930		{
770	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
931		final AtomicInteger a = new AtomicInteger(0);
932	<	if (!createIncomplete) f.complete(v1);
933	<	final CompletableFuture<Integer> g = m.handle
932	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
933	>	if (!createIncomplete) assertTrue(f.complete(v1));
934	>	final CompletableFuture<Integer> g = m.whenComplete
935		(f,
936	<	(Integer x, Throwable t) -> {
937	<	threadAssertSame(x, v1);
936	>	(Integer result, Throwable t) -> {
937	>	m.checkExecutionMode();
938	>	threadAssertSame(result, v1);
939		threadAssertNull(t);
940		a.getAndIncrement();
779	–	return inc(v1);
941		});
942	<	if (createIncomplete) f.complete(v1);
942	>	if (createIncomplete) assertTrue(f.complete(v1));
943
944	<	checkCompletedNormally(g, inc(v1));
944	>	checkCompletedNormally(g, v1);
945		checkCompletedNormally(f, v1);
946		assertEquals(1, a.get());
947		}}
948
949		/**
950	<	* handle action completes normally with function value on
951	<	* exceptional completion of source
950	>	* whenComplete action executes on exceptional completion, propagating
951	>	* source result.
952		*/
953	<	public void testHandle_exceptionalCompletion() {
953	>	public void testWhenComplete_exceptionalCompletion() {
954		for (ExecutionMode m : ExecutionMode.values())
955		for (boolean createIncomplete : new boolean[] { true, false })
795	–	for (Integer v1 : new Integer[] { 1, null })
956		{
797	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
957		final AtomicInteger a = new AtomicInteger(0);
958		final CFException ex = new CFException();
959	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
960		if (!createIncomplete) f.completeExceptionally(ex);
961	<	final CompletableFuture<Integer> g = m.handle
961	>	final CompletableFuture<Integer> g = m.whenComplete
962		(f,
963	<	(Integer x, Throwable t) -> {
964	<	threadAssertNull(x);
963	>	(Integer result, Throwable t) -> {
964	>	m.checkExecutionMode();
965	>	threadAssertNull(result);
966		threadAssertSame(t, ex);
967		a.getAndIncrement();
807	–	return v1;
968		});
969		if (createIncomplete) f.completeExceptionally(ex);
970
971	<	checkCompletedNormally(g, v1);
972	<	checkCompletedWithWrappedCFException(f, ex);
971	>	checkCompletedWithWrappedException(g, ex);
972	>	checkCompletedExceptionally(f, ex);
973		assertEquals(1, a.get());
974		}}
975
976		/**
977	<	* handle action completes normally with function value on
978	<	* cancelled source
977	>	* whenComplete action executes on cancelled source, propagating
978	>	* CancellationException.
979		*/
980	<	public void testHandle_sourceCancelled() {
980	>	public void testWhenComplete_sourceCancelled() {
981		for (ExecutionMode m : ExecutionMode.values())
982		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
983		for (boolean createIncomplete : new boolean[] { true, false })
824	–	for (Integer v1 : new Integer[] { 1, null })
984		{
826	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
985		final AtomicInteger a = new AtomicInteger(0);
986	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
987		if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
988	<	final CompletableFuture<Integer> g = m.handle
988	>	final CompletableFuture<Integer> g = m.whenComplete
989		(f,
990	<	(Integer x, Throwable t) -> {
991	<	threadAssertNull(x);
990	>	(Integer result, Throwable t) -> {
991	>	m.checkExecutionMode();
992	>	threadAssertNull(result);
993		threadAssertTrue(t instanceof CancellationException);
994		a.getAndIncrement();
835	–	return v1;
995		});
996		if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
997
998	<	checkCompletedNormally(g, v1);
998	>	checkCompletedWithWrappedCancellationException(g);
999		checkCancelled(f);
1000		assertEquals(1, a.get());
1001		}}
1002
1003		/**
1004	<	* handle result completes exceptionally if action does
1004	>	* If a whenComplete action throws an exception when triggered by
1005	>	* a normal completion, it completes exceptionally
1006		*/
1007	<	public void testHandle_sourceFailedActionFailed() {
848	<	for (ExecutionMode m : ExecutionMode.values())
1007	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
1008		for (boolean createIncomplete : new boolean[] { true, false })
1009	+	for (ExecutionMode m : ExecutionMode.values())
1010	+	for (Integer v1 : new Integer[] { 1, null })
1011		{
1012	+	final AtomicInteger a = new AtomicInteger(0);
1013	+	final CFException ex = new CFException();
1014		final CompletableFuture<Integer> f = new CompletableFuture<>();
1015	+	if (!createIncomplete) assertTrue(f.complete(v1));
1016	+	final CompletableFuture<Integer> g = m.whenComplete
1017	+	(f,
1018	+	(Integer result, Throwable t) -> {
1019	+	m.checkExecutionMode();
1020	+	threadAssertSame(result, v1);
1021	+	threadAssertNull(t);
1022	+	a.getAndIncrement();
1023	+	throw ex;
1024	+	});
1025	+	if (createIncomplete) assertTrue(f.complete(v1));
1026	+
1027	+	checkCompletedWithWrappedException(g, ex);
1028	+	checkCompletedNormally(f, v1);
1029	+	assertEquals(1, a.get());
1030	+	}}
1031	+
1032	+	/**
1033	+	* If a whenComplete action throws an exception when triggered by
1034	+	* a source completion that also throws an exception, the source
1035	+	* exception takes precedence (unlike handle)
1036	+	*/
1037	+	public void testWhenComplete_sourceFailedActionFailed() {
1038	+	for (boolean createIncomplete : new boolean[] { true, false })
1039	+	for (ExecutionMode m : ExecutionMode.values())
1040	+	{
1041		final AtomicInteger a = new AtomicInteger(0);
1042		final CFException ex1 = new CFException();
1043		final CFException ex2 = new CFException();
1044	+	final CompletableFuture<Integer> f = new CompletableFuture<>();
1045	+
1046		if (!createIncomplete) f.completeExceptionally(ex1);
1047	<	final CompletableFuture<Integer> g = m.handle
1047	>	final CompletableFuture<Integer> g = m.whenComplete
1048		(f,
1049	<	(Integer x, Throwable t) -> {
1050	<	threadAssertNull(x);
1051	<	threadAssertSame(ex1, t);
1049	>	(Integer result, Throwable t) -> {
1050	>	m.checkExecutionMode();
1051	>	threadAssertSame(t, ex1);
1052	>	threadAssertNull(result);
1053		a.getAndIncrement();
1054		throw ex2;
1055		});
1056		if (createIncomplete) f.completeExceptionally(ex1);
1057
1058	<	checkCompletedWithWrappedCFException(g, ex2);
1059	<	checkCompletedWithWrappedCFException(f, ex1);
1058	>	checkCompletedWithWrappedException(g, ex1);
1059	>	checkCompletedExceptionally(f, ex1);
1060	>	if (testImplementationDetails) {
1061	>	assertEquals(1, ex1.getSuppressed().length);
1062	>	assertSame(ex2, ex1.getSuppressed()[0]);
1063	>	}
1064		assertEquals(1, a.get());
1065		}}
1066
1067	<	public void testHandle_sourceCompletedNormallyActionFailed() {
1067	>	/**
1068	>	* handle action completes normally with function value on normal
1069	>	* completion of source
1070	>	*/
1071	>	public void testHandle_normalCompletion() {
1072		for (ExecutionMode m : ExecutionMode.values())
1073		for (boolean createIncomplete : new boolean[] { true, false })
1074		for (Integer v1 : new Integer[] { 1, null })
1075		{
1076		final CompletableFuture<Integer> f = new CompletableFuture<>();
1077		final AtomicInteger a = new AtomicInteger(0);
1078	<	final CFException ex = new CFException();
879	<	if (!createIncomplete) f.complete(v1);
1078	>	if (!createIncomplete) assertTrue(f.complete(v1));
1079		final CompletableFuture<Integer> g = m.handle
1080		(f,
1081	<	(Integer x, Throwable t) -> {
1082	<	threadAssertSame(x, v1);
1081	>	(Integer result, Throwable t) -> {
1082	>	m.checkExecutionMode();
1083	>	threadAssertSame(result, v1);
1084		threadAssertNull(t);
1085		a.getAndIncrement();
1086	<	throw ex;
1086	>	return inc(v1);
1087		});
1088	<	if (createIncomplete) f.complete(v1);
1088	>	if (createIncomplete) assertTrue(f.complete(v1));
1089
1090	<	checkCompletedWithWrappedCFException(g, ex);
1090	>	checkCompletedNormally(g, inc(v1));
1091		checkCompletedNormally(f, v1);
1092		assertEquals(1, a.get());
1093		}}
1094
1095		/**
1096	<	* runAsync completes after running Runnable
1097	<	*/
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
1096	>	* handle action completes normally with function value on
1097	>	* exceptional completion of source
1098		*/
1099	<	public void testThenCombine_normalCompletion1() {
1135	<	for (boolean createIncomplete : new boolean[] { true, false })
1136	<	for (boolean fFirst : new boolean[] { true, false })
1099	>	public void testHandle_exceptionalCompletion() {
1100		for (ExecutionMode m : ExecutionMode.values())
1101	+	for (boolean createIncomplete : new boolean[] { true, false })
1102		for (Integer v1 : new Integer[] { 1, null })
1139	–	for (Integer v2 : new Integer[] { 2, null })
1103		{
1104		final CompletableFuture<Integer> f = new CompletableFuture<>();
1105	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1106	<	final SubtractFunction r = new SubtractFunction();
1107	<	CompletableFuture<Integer> h = null;
1108	<	if (createIncomplete) h = m.thenCombine(f, g, r);
1109	<
1110	<	if (fFirst)
1111	<	f.complete(v1);
1112	<	else
1113	<	g.complete(v2);
1114	<	if (createIncomplete) checkIncomplete(h);
1115	<	assertEquals(0, r.invocationCount);
1116	<	if (!fFirst)
1117	<	f.complete(v1);
1155	<	else
1156	<	g.complete(v2);
1157	<	if (!createIncomplete) h = m.thenCombine(f, g, r);
1105	>	final AtomicInteger a = new AtomicInteger(0);
1106	>	final CFException ex = new CFException();
1107	>	if (!createIncomplete) f.completeExceptionally(ex);
1108	>	final CompletableFuture<Integer> g = m.handle
1109	>	(f,
1110	>	(Integer result, Throwable t) -> {
1111	>	m.checkExecutionMode();
1112	>	threadAssertNull(result);
1113	>	threadAssertSame(t, ex);
1114	>	a.getAndIncrement();
1115	>	return v1;
1116	>	});
1117	>	if (createIncomplete) f.completeExceptionally(ex);
1118
1119	<	checkCompletedNormally(h, subtract(v1, v2));
1120	<	checkCompletedNormally(f, v1);
1121	<	checkCompletedNormally(g, v2);
1162	<	assertEquals(1, r.invocationCount);
1119	>	checkCompletedNormally(g, v1);
1120	>	checkCompletedExceptionally(f, ex);
1121	>	assertEquals(1, a.get());
1122		}}
1123
1124		/**
1125	<	* thenCombine result completes exceptionally after exceptional
1126	<	* completion of either source
1125	>	* handle action completes normally with function value on
1126	>	* cancelled source
1127		*/
1128	<	public void testThenCombine_exceptionalCompletion1() {
1128	>	public void testHandle_sourceCancelled() {
1129		for (ExecutionMode m : ExecutionMode.values())
1130	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1131	+	for (boolean createIncomplete : new boolean[] { true, false })
1132		for (Integer v1 : new Integer[] { 1, null })
1133		{
1134		final CompletableFuture<Integer> f = new CompletableFuture<>();
1135	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1136	<	final SubtractFunction r = new SubtractFunction();
1137	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1138	<	final CFException ex = new CFException();
1139	<
1140	<	f.completeExceptionally(ex);
1141	<	checkIncomplete(h);
1142	<	g.complete(v1);
1135	>	final AtomicInteger a = new AtomicInteger(0);
1136	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1137	>	final CompletableFuture<Integer> g = m.handle
1138	>	(f,
1139	>	(Integer result, Throwable t) -> {
1140	>	m.checkExecutionMode();
1141	>	threadAssertNull(result);
1142	>	threadAssertTrue(t instanceof CancellationException);
1143	>	a.getAndIncrement();
1144	>	return v1;
1145	>	});
1146	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1147
1183	–	checkCompletedWithWrappedCFException(h, ex);
1184	–	checkCompletedWithWrappedCFException(f, ex);
1185	–	assertEquals(0, r.invocationCount);
1148		checkCompletedNormally(g, v1);
1149	+	checkCancelled(f);
1150	+	assertEquals(1, a.get());
1151		}}
1152
1153	<	public void testThenCombine_exceptionalCompletion2() {
1153	>	/**
1154	>	* If a "handle action" throws an exception when triggered by
1155	>	* a normal completion, it completes exceptionally
1156	>	*/
1157	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1158		for (ExecutionMode m : ExecutionMode.values())
1159	+	for (boolean createIncomplete : new boolean[] { true, false })
1160		for (Integer v1 : new Integer[] { 1, null })
1161		{
1162		final CompletableFuture<Integer> f = new CompletableFuture<>();
1163	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1195	<	final SubtractFunction r = new SubtractFunction();
1196	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1163	>	final AtomicInteger a = new AtomicInteger(0);
1164		final CFException ex = new CFException();
1165	+	if (!createIncomplete) assertTrue(f.complete(v1));
1166	+	final CompletableFuture<Integer> g = m.handle
1167	+	(f,
1168	+	(Integer result, Throwable t) -> {
1169	+	m.checkExecutionMode();
1170	+	threadAssertSame(result, v1);
1171	+	threadAssertNull(t);
1172	+	a.getAndIncrement();
1173	+	throw ex;
1174	+	});
1175	+	if (createIncomplete) assertTrue(f.complete(v1));
1176
1177	<	g.completeExceptionally(ex);
1200	<	checkIncomplete(h);
1201	<	f.complete(v1);
1202	<
1203	<	checkCompletedWithWrappedCFException(h, ex);
1204	<	checkCompletedWithWrappedCFException(g, ex);
1205	<	assertEquals(0, r.invocationCount);
1177	>	checkCompletedWithWrappedException(g, ex);
1178		checkCompletedNormally(f, v1);
1179	+	assertEquals(1, a.get());
1180		}}
1181
1182	<	public void testThenCombine_exceptionalCompletion3() {
1182	>	/**
1183	>	* If a "handle action" throws an exception when triggered by
1184	>	* a source completion that also throws an exception, the action
1185	>	* exception takes precedence (unlike whenComplete)
1186	>	*/
1187	>	public void testHandle_sourceFailedActionFailed() {
1188	>	for (boolean createIncomplete : new boolean[] { true, false })
1189		for (ExecutionMode m : ExecutionMode.values())
1211	–	for (Integer v1 : new Integer[] { 1, null })
1190		{
1191	+	final AtomicInteger a = new AtomicInteger(0);
1192	+	final CFException ex1 = new CFException();
1193	+	final CFException ex2 = new CFException();
1194		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();
1195
1196	<	g.completeExceptionally(ex);
1197	<	f.complete(v1);
1198	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1196	>	if (!createIncomplete) f.completeExceptionally(ex1);
1197	>	final CompletableFuture<Integer> g = m.handle
1198	>	(f,
1199	>	(Integer result, Throwable t) -> {
1200	>	m.checkExecutionMode();
1201	>	threadAssertNull(result);
1202	>	threadAssertSame(ex1, t);
1203	>	a.getAndIncrement();
1204	>	throw ex2;
1205	>	});
1206	>	if (createIncomplete) f.completeExceptionally(ex1);
1207
1208	<	checkCompletedWithWrappedCFException(h, ex);
1209	<	checkCompletedWithWrappedCFException(g, ex);
1210	<	assertEquals(0, r.invocationCount);
1225	<	checkCompletedNormally(f, v1);
1208	>	checkCompletedWithWrappedException(g, ex2);
1209	>	checkCompletedExceptionally(f, ex1);
1210	>	assertEquals(1, a.get());
1211		}}
1212
1213	<	public void testThenCombine_exceptionalCompletion4() {
1214	<	for (ExecutionMode m : ExecutionMode.values())
1215	<	for (Integer v1 : new Integer[] { 1, null })
1213	>	/**
1214	>	* runAsync completes after running Runnable
1215	>	*/
1216	>	public void testRunAsync_normalCompletion() {
1217	>	ExecutionMode[] executionModes = {
1218	>	ExecutionMode.ASYNC,
1219	>	ExecutionMode.EXECUTOR,
1220	>	};
1221	>	for (ExecutionMode m : executionModes)
1222		{
1223	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1224	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1225	<	final SubtractFunction r = new SubtractFunction();
1226	<	final CFException ex = new CFException();
1227	<
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);
1223	>	final Noop r = new Noop(m);
1224	>	final CompletableFuture<Void> f = m.runAsync(r);
1225	>	assertNull(f.join());
1226	>	checkCompletedNormally(f, null);
1227	>	r.assertInvoked();
1228		}}
1229
1230		/**
1231	<	* thenCombine result completes exceptionally if action does
1231	>	* failing runAsync completes exceptionally after running Runnable
1232		*/
1233	<	public void testThenCombine_actionFailed1() {
1234	<	for (ExecutionMode m : ExecutionMode.values())
1235	<	for (Integer v1 : new Integer[] { 1, null })
1236	<	for (Integer v2 : new Integer[] { 2, null })
1233	>	public void testRunAsync_exceptionalCompletion() {
1234	>	ExecutionMode[] executionModes = {
1235	>	ExecutionMode.ASYNC,
1236	>	ExecutionMode.EXECUTOR,
1237	>	};
1238	>	for (ExecutionMode m : executionModes)
1239		{
1240	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1241	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1242	<	final FailingBiFunction r = new FailingBiFunction();
1243	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1240	>	final FailingRunnable r = new FailingRunnable(m);
1241	>	final CompletableFuture<Void> f = m.runAsync(r);
1242	>	checkCompletedWithWrappedException(f, r.ex);
1243	>	r.assertInvoked();
1244	>	}}
1245
1246	<	f.complete(v1);
1247	<	checkIncomplete(h);
1248	<	g.complete(v2);
1246	>	public void testRunAsync_rejectingExecutor() {
1247	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1248	>	try {
1249	>	CompletableFuture.runAsync(() -> {}, e);
1250	>	shouldThrow();
1251	>	} catch (Throwable t) {
1252	>	assertSame(e.ex, t);
1253	>	}
1254
1255	<	checkCompletedWithWrappedCFException(h);
1256	<	checkCompletedNormally(f, v1);
1266	<	checkCompletedNormally(g, v2);
1267	<	}}
1255	>	assertEquals(1, e.count.get());
1256	>	}
1257
1258	<	public void testThenCombine_actionFailed2() {
1259	<	for (ExecutionMode m : ExecutionMode.values())
1258	>	/**
1259	>	* supplyAsync completes with result of supplier
1260	>	*/
1261	>	public void testSupplyAsync_normalCompletion() {
1262	>	ExecutionMode[] executionModes = {
1263	>	ExecutionMode.ASYNC,
1264	>	ExecutionMode.EXECUTOR,
1265	>	};
1266	>	for (ExecutionMode m : executionModes)
1267		for (Integer v1 : new Integer[] { 1, null })
1272	–	for (Integer v2 : new Integer[] { 2, null })
1268		{
1269	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1270	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1271	<	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);
1269	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1270	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1271	>	assertSame(v1, f.join());
1272		checkCompletedNormally(f, v1);
1273	<	checkCompletedNormally(g, v2);
1273	>	r.assertInvoked();
1274		}}
1275
1276		/**
1277	<	* thenCombine result completes exceptionally if either source cancelled
1277	>	* Failing supplyAsync completes exceptionally
1278		*/
1279	<	public void testThenCombine_sourceCancelled1() {
1280	<	for (ExecutionMode m : ExecutionMode.values())
1281	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1282	<	for (Integer v1 : new Integer[] { 1, null })
1279	>	public void testSupplyAsync_exceptionalCompletion() {
1280	>	ExecutionMode[] executionModes = {
1281	>	ExecutionMode.ASYNC,
1282	>	ExecutionMode.EXECUTOR,
1283	>	};
1284	>	for (ExecutionMode m : executionModes)
1285		{
1286	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1287	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1288	<	final SubtractFunction r = new SubtractFunction();
1289	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1286	>	FailingSupplier r = new FailingSupplier(m);
1287	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1288	>	checkCompletedWithWrappedException(f, r.ex);
1289	>	r.assertInvoked();
1290	>	}}
1291
1292	<	assertTrue(f.cancel(mayInterruptIfRunning));
1293	<	checkIncomplete(h);
1294	<	g.complete(v1);
1292	>	public void testSupplyAsync_rejectingExecutor() {
1293	>	CountingRejectingExecutor e = new CountingRejectingExecutor();
1294	>	try {
1295	>	CompletableFuture.supplyAsync(() -> null, e);
1296	>	shouldThrow();
1297	>	} catch (Throwable t) {
1298	>	assertSame(e.ex, t);
1299	>	}
1300
1301	<	checkCompletedWithWrappedCancellationException(h);
1302	<	checkCancelled(f);
1307	<	assertEquals(0, r.invocationCount);
1308	<	checkCompletedNormally(g, v1);
1309	<	}}
1301	>	assertEquals(1, e.count.get());
1302	>	}
1303
1304	<	public void testThenCombine_sourceCancelled2() {
1304	>	// seq completion methods
1305	>
1306	>	/**
1307	>	* thenRun result completes normally after normal completion of source
1308	>	*/
1309	>	public void testThenRun_normalCompletion() {
1310		for (ExecutionMode m : ExecutionMode.values())
1313	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1311		for (Integer v1 : new Integer[] { 1, null })
1312		{
1313		final CompletableFuture<Integer> f = new CompletableFuture<>();
1314	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1315	<	final SubtractFunction r = new SubtractFunction();
1319	<	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	<	assertTrue(g.cancel(mayInterruptIfRunning));
1318	<	checkIncomplete(h);
1319	<	f.complete(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.complete(v1));
1324	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1325	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1326	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1327
1328	<	checkCompletedWithWrappedCancellationException(h);
1329	<	checkCancelled(g);
1330	<	assertEquals(0, r.invocationCount);
1328	>	checkCompletedNormally(h0, null);
1329	>	checkCompletedNormally(h1, null);
1330	>	checkCompletedNormally(h2, null);
1331	>	checkCompletedNormally(h3, null);
1332	>	checkCompletedNormally(h4, null);
1333	>	checkCompletedNormally(h5, null);
1334		checkCompletedNormally(f, v1);
1335	+	for (Noop r : rs) r.assertInvoked();
1336		}}
1337
1338	<	public void testThenCombine_sourceCancelled3() {
1338	>	/**
1339	>	* thenRun result completes exceptionally after exceptional
1340	>	* completion of source
1341	>	*/
1342	>	public void testThenRun_exceptionalCompletion() {
1343		for (ExecutionMode m : ExecutionMode.values())
1333	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1334	–	for (Integer v1 : new Integer[] { 1, null })
1344		{
1345	+	final CFException ex = new CFException();
1346		final CompletableFuture<Integer> f = new CompletableFuture<>();
1347	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1348	<	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);
1347	>	final Noop[] rs = new Noop[6];
1348	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1349
1350	<	checkCompletedWithWrappedCancellationException(h);
1351	<	checkCancelled(g);
1352	<	assertEquals(0, r.invocationCount);
1353	<	checkCompletedNormally(f, v1);
1350	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1351	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1352	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1353	>	checkIncomplete(h0);
1354	>	checkIncomplete(h1);
1355	>	checkIncomplete(h2);
1356	>	assertTrue(f.completeExceptionally(ex));
1357	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1358	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1359	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1360	>
1361	>	checkCompletedWithWrappedException(h0, ex);
1362	>	checkCompletedWithWrappedException(h1, ex);
1363	>	checkCompletedWithWrappedException(h2, ex);
1364	>	checkCompletedWithWrappedException(h3, ex);
1365	>	checkCompletedWithWrappedException(h4, ex);
1366	>	checkCompletedWithWrappedException(h5, ex);
1367	>	checkCompletedExceptionally(f, ex);
1368	>	for (Noop r : rs) r.assertNotInvoked();
1369		}}
1370
1371	<	public void testThenCombine_sourceCancelled4() {
1371	>	/**
1372	>	* thenRun result completes exceptionally if source cancelled
1373	>	*/
1374	>	public void testThenRun_sourceCancelled() {
1375		for (ExecutionMode m : ExecutionMode.values())
1376		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1353	–	for (Integer v1 : new Integer[] { 1, null })
1377		{
1378		final CompletableFuture<Integer> f = new CompletableFuture<>();
1379	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1380	<	final SubtractFunction r = new SubtractFunction();
1379	>	final Noop[] rs = new Noop[6];
1380	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1381
1382	+	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1383	+	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1384	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1385	+	checkIncomplete(h0);
1386	+	checkIncomplete(h1);
1387	+	checkIncomplete(h2);
1388		assertTrue(f.cancel(mayInterruptIfRunning));
1389	<	g.complete(v1);
1390	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1391	<
1392	<	checkCompletedWithWrappedCancellationException(h);
1389	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1390	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1391	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1392	>
1393	>	checkCompletedWithWrappedCancellationException(h0);
1394	>	checkCompletedWithWrappedCancellationException(h1);
1395	>	checkCompletedWithWrappedCancellationException(h2);
1396	>	checkCompletedWithWrappedCancellationException(h3);
1397	>	checkCompletedWithWrappedCancellationException(h4);
1398	>	checkCompletedWithWrappedCancellationException(h5);
1399		checkCancelled(f);
1400	<	assertEquals(0, r.invocationCount);
1366	<	checkCompletedNormally(g, v1);
1400	>	for (Noop r : rs) r.assertNotInvoked();
1401		}}
1402
1403		/**
1404	<	* thenAcceptBoth result completes normally after normal
1371	<	* completion of sources
1404	>	* thenRun result completes exceptionally if action does
1405		*/
1406	<	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() {
1395	<	for (ExecutionMode m : ExecutionMode.values())
1396	<	for (Integer v1 : new Integer[] { 1, null })
1397	<	for (Integer v2 : new Integer[] { 2, null })
1398	<	{
1399	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1400	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1401	<	final SubtractAction r = new SubtractAction();
1402	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1403	<
1404	<	g.complete(v2);
1405	<	checkIncomplete(h);
1406	<	assertEquals(0, r.invocationCount);
1407	<	f.complete(v1);
1408	<
1409	<	checkCompletedNormally(h, null);
1410	<	assertEquals(subtract(v1, v2), r.value);
1411	<	checkCompletedNormally(f, v1);
1412	<	checkCompletedNormally(g, v2);
1413	<	}}
1414	<
1415	<	public void testThenAcceptBoth_normalCompletion3() {
1406	>	public void testThenRun_actionFailed() {
1407		for (ExecutionMode m : ExecutionMode.values())
1408		for (Integer v1 : new Integer[] { 1, null })
1418	–	for (Integer v2 : new Integer[] { 2, null })
1409		{
1410		final CompletableFuture<Integer> f = new CompletableFuture<>();
1411	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1412	<	final SubtractAction r = new SubtractAction();
1411	>	final FailingRunnable[] rs = new FailingRunnable[6];
1412	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1413
1414	<	g.complete(v2);
1415	<	f.complete(v1);
1416	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1414	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1415	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1416	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1417	>	assertTrue(f.complete(v1));
1418	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1419	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1420	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1421
1422	<	checkCompletedNormally(h, null);
1423	<	assertEquals(subtract(v1, v2), r.value);
1422	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1423	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1424	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1425	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1426	>	checkCompletedWithWrappedException(h4, rs[4].ex);
1427	>	checkCompletedWithWrappedException(h5, rs[5].ex);
1428		checkCompletedNormally(f, v1);
1431	–	checkCompletedNormally(g, v2);
1429		}}
1430
1431	<	public void testThenAcceptBoth_normalCompletion4() {
1431	>	/**
1432	>	* thenApply result completes normally after normal completion of source
1433	>	*/
1434	>	public void testThenApply_normalCompletion() {
1435		for (ExecutionMode m : ExecutionMode.values())
1436		for (Integer v1 : new Integer[] { 1, null })
1437	–	for (Integer v2 : new Integer[] { 2, null })
1437		{
1438		final CompletableFuture<Integer> f = new CompletableFuture<>();
1439	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1440	<	final SubtractAction r = new SubtractAction();
1439	>	final IncFunction[] rs = new IncFunction[4];
1440	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1441
1442	<	f.complete(v1);
1443	<	g.complete(v2);
1444	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1442	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1443	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1444	>	checkIncomplete(h0);
1445	>	checkIncomplete(h1);
1446	>	assertTrue(f.complete(v1));
1447	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1448	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1449
1450	<	checkCompletedNormally(h, null);
1451	<	assertEquals(subtract(v1, v2), r.value);
1450	>	checkCompletedNormally(h0, inc(v1));
1451	>	checkCompletedNormally(h1, inc(v1));
1452	>	checkCompletedNormally(h2, inc(v1));
1453	>	checkCompletedNormally(h3, inc(v1));
1454		checkCompletedNormally(f, v1);
1455	<	checkCompletedNormally(g, v2);
1455	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1456		}}
1457
1458		/**
1459	<	* thenAcceptBoth result completes exceptionally after exceptional
1460	<	* completion of either source
1459	>	* thenApply result completes exceptionally after exceptional
1460	>	* completion of source
1461		*/
1462	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1462	>	public void testThenApply_exceptionalCompletion() {
1463		for (ExecutionMode m : ExecutionMode.values())
1459	–	for (Integer v1 : new Integer[] { 1, null })
1464		{
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);
1465		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	–	{
1466		final CompletableFuture<Integer> f = new CompletableFuture<>();
1467	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1468	<	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);
1467	>	final IncFunction[] rs = new IncFunction[4];
1468	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1469
1470	<	checkCompletedWithWrappedCFException(h, ex);
1471	<	checkCompletedWithWrappedCFException(g, ex);
1472	<	assertEquals(0, r.invocationCount);
1473	<	checkCompletedNormally(f, v1);
1470	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1471	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1472	>	assertTrue(f.completeExceptionally(ex));
1473	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1474	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1475	>
1476	>	checkCompletedWithWrappedException(h0, ex);
1477	>	checkCompletedWithWrappedException(h1, ex);
1478	>	checkCompletedWithWrappedException(h2, ex);
1479	>	checkCompletedWithWrappedException(h3, ex);
1480	>	checkCompletedExceptionally(f, ex);
1481	>	for (IncFunction r : rs) r.assertNotInvoked();
1482		}}
1483
1484	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1484	>	/**
1485	>	* thenApply result completes exceptionally if source cancelled
1486	>	*/
1487	>	public void testThenApply_sourceCancelled() {
1488		for (ExecutionMode m : ExecutionMode.values())
1489	<	for (Integer v1 : new Integer[] { 1, null })
1489	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1490		{
1491		final CompletableFuture<Integer> f = new CompletableFuture<>();
1492	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1493	<	final SubtractAction r = new SubtractAction();
1504	<	final CFException ex = new CFException();
1492	>	final IncFunction[] rs = new IncFunction[4];
1493	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1494
1495	<	g.completeExceptionally(ex);
1496	<	f.complete(v1);
1497	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1495	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1496	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1497	>	assertTrue(f.cancel(mayInterruptIfRunning));
1498	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1499	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1500
1501	<	checkCompletedWithWrappedCFException(h, ex);
1502	<	checkCompletedWithWrappedCFException(g, ex);
1503	<	assertEquals(0, r.invocationCount);
1504	<	checkCompletedNormally(f, v1);
1501	>	checkCompletedWithWrappedCancellationException(h0);
1502	>	checkCompletedWithWrappedCancellationException(h1);
1503	>	checkCompletedWithWrappedCancellationException(h2);
1504	>	checkCompletedWithWrappedCancellationException(h3);
1505	>	checkCancelled(f);
1506	>	for (IncFunction r : rs) r.assertNotInvoked();
1507		}}
1508
1509	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1509	>	/**
1510	>	* thenApply result completes exceptionally if action does
1511	>	*/
1512	>	public void testThenApply_actionFailed() {
1513		for (ExecutionMode m : ExecutionMode.values())
1514		for (Integer v1 : new Integer[] { 1, null })
1515		{
1516		final CompletableFuture<Integer> f = new CompletableFuture<>();
1517	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1518	<	final SubtractAction r = new SubtractAction();
1523	<	final CFException ex = new CFException();
1517	>	final FailingFunction[] rs = new FailingFunction[4];
1518	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1519
1520	<	f.completeExceptionally(ex);
1521	<	g.complete(v1);
1522	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1520	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1521	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1522	>	assertTrue(f.complete(v1));
1523	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1524	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1525
1526	<	checkCompletedWithWrappedCFException(h, ex);
1527	<	checkCompletedWithWrappedCFException(f, ex);
1528	<	assertEquals(0, r.invocationCount);
1529	<	checkCompletedNormally(g, v1);
1526	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1527	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1528	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1529	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1530	>	checkCompletedNormally(f, v1);
1531		}}
1532
1533		/**
1534	<	* thenAcceptBoth result completes exceptionally if action does
1534	>	* thenAccept result completes normally after normal completion of source
1535		*/
1536	<	public void testThenAcceptBoth_actionFailed1() {
1536	>	public void testThenAccept_normalCompletion() {
1537		for (ExecutionMode m : ExecutionMode.values())
1538		for (Integer v1 : new Integer[] { 1, null })
1541	–	for (Integer v2 : new Integer[] { 2, null })
1539		{
1540		final CompletableFuture<Integer> f = new CompletableFuture<>();
1541	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1542	<	final FailingBiConsumer r = new FailingBiConsumer();
1546	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1541	>	final NoopConsumer[] rs = new NoopConsumer[4];
1542	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1543
1544	<	f.complete(v1);
1545	<	checkIncomplete(h);
1546	<	g.complete(v2);
1544	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1545	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1546	>	checkIncomplete(h0);
1547	>	checkIncomplete(h1);
1548	>	assertTrue(f.complete(v1));
1549	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1550	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1551
1552	<	checkCompletedWithWrappedCFException(h);
1552	>	checkCompletedNormally(h0, null);
1553	>	checkCompletedNormally(h1, null);
1554	>	checkCompletedNormally(h2, null);
1555	>	checkCompletedNormally(h3, null);
1556		checkCompletedNormally(f, v1);
1557	<	checkCompletedNormally(g, v2);
1557	>	for (NoopConsumer r : rs) r.assertValue(v1);
1558		}}
1559
1560	<	public void testThenAcceptBoth_actionFailed2() {
1560	>	/**
1561	>	* thenAccept result completes exceptionally after exceptional
1562	>	* completion of source
1563	>	*/
1564	>	public void testThenAccept_exceptionalCompletion() {
1565		for (ExecutionMode m : ExecutionMode.values())
1559	–	for (Integer v1 : new Integer[] { 1, null })
1560	–	for (Integer v2 : new Integer[] { 2, null })
1566		{
1567	+	final CFException ex = new CFException();
1568		final CompletableFuture<Integer> f = new CompletableFuture<>();
1569	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1570	<	final FailingBiConsumer r = new FailingBiConsumer();
1565	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1569	>	final NoopConsumer[] rs = new NoopConsumer[4];
1570	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1571
1572	<	g.complete(v2);
1573	<	checkIncomplete(h);
1574	<	f.complete(v1);
1575	<
1576	<	checkCompletedWithWrappedCFException(h);
1577	<	checkCompletedNormally(f, v1);
1578	<	checkCompletedNormally(g, v2);
1572	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1573	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1574	>	assertTrue(f.completeExceptionally(ex));
1575	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1576	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1577	>
1578	>	checkCompletedWithWrappedException(h0, ex);
1579	>	checkCompletedWithWrappedException(h1, ex);
1580	>	checkCompletedWithWrappedException(h2, ex);
1581	>	checkCompletedWithWrappedException(h3, ex);
1582	>	checkCompletedExceptionally(f, ex);
1583	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1584		}}
1585
1586		/**
1587	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1587	>	* thenAccept result completes exceptionally if source cancelled
1588		*/
1589	<	public void testThenAcceptBoth_sourceCancelled1() {
1589	>	public void testThenAccept_sourceCancelled() {
1590		for (ExecutionMode m : ExecutionMode.values())
1591		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1582	–	for (Integer v1 : new Integer[] { 1, null })
1592		{
1593		final CompletableFuture<Integer> f = new CompletableFuture<>();
1594	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1595	<	final SubtractAction r = new SubtractAction();
1587	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1594	>	final NoopConsumer[] rs = new NoopConsumer[4];
1595	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1596
1597	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1598	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1599		assertTrue(f.cancel(mayInterruptIfRunning));
1600	<	checkIncomplete(h);
1601	<	g.complete(v1);
1600	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1601	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1602
1603	<	checkCompletedWithWrappedCancellationException(h);
1603	>	checkCompletedWithWrappedCancellationException(h0);
1604	>	checkCompletedWithWrappedCancellationException(h1);
1605	>	checkCompletedWithWrappedCancellationException(h2);
1606	>	checkCompletedWithWrappedCancellationException(h3);
1607		checkCancelled(f);
1608	<	assertEquals(0, r.invocationCount);
1596	<	checkCompletedNormally(g, v1);
1608	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1609		}}
1610
1611	<	public void testThenAcceptBoth_sourceCancelled2() {
1611	>	/**
1612	>	* thenAccept result completes exceptionally if action does
1613	>	*/
1614	>	public void testThenAccept_actionFailed() {
1615		for (ExecutionMode m : ExecutionMode.values())
1601	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1616		for (Integer v1 : new Integer[] { 1, null })
1617		{
1618		final CompletableFuture<Integer> f = new CompletableFuture<>();
1619	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1620	<	final SubtractAction r = new SubtractAction();
1607	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1619	>	final FailingConsumer[] rs = new FailingConsumer[4];
1620	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1621
1622	<	assertTrue(g.cancel(mayInterruptIfRunning));
1623	<	checkIncomplete(h);
1624	<	f.complete(v1);
1622	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1623	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1624	>	assertTrue(f.complete(v1));
1625	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1626	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1627
1628	<	checkCompletedWithWrappedCancellationException(h);
1629	<	checkCancelled(g);
1630	<	assertEquals(0, r.invocationCount);
1628	>	checkCompletedWithWrappedException(h0, rs[0].ex);
1629	>	checkCompletedWithWrappedException(h1, rs[1].ex);
1630	>	checkCompletedWithWrappedException(h2, rs[2].ex);
1631	>	checkCompletedWithWrappedException(h3, rs[3].ex);
1632		checkCompletedNormally(f, v1);
1633		}}
1634
1635	<	public void testThenAcceptBoth_sourceCancelled3() {
1635	>	/**
1636	>	* thenCombine result completes normally after normal completion
1637	>	* of sources
1638	>	*/
1639	>	public void testThenCombine_normalCompletion() {
1640		for (ExecutionMode m : ExecutionMode.values())
1641	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1641	>	for (boolean fFirst : new boolean[] { true, false })
1642		for (Integer v1 : new Integer[] { 1, null })
1643	+	for (Integer v2 : new Integer[] { 2, null })
1644		{
1645		final CompletableFuture<Integer> f = new CompletableFuture<>();
1646		final CompletableFuture<Integer> g = new CompletableFuture<>();
1647	<	final SubtractAction r = new SubtractAction();
1647	>	final SubtractFunction[] rs = new SubtractFunction[6];
1648	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1649
1650	<	assertTrue(g.cancel(mayInterruptIfRunning));
1651	<	f.complete(v1);
1652	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1650	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1651	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1652	>	final Integer w1 =  fFirst ? v1 : v2;
1653	>	final Integer w2 = !fFirst ? v1 : v2;
1654	>
1655	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1656	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1657	>	assertTrue(fst.complete(w1));
1658	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1659	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1660	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1661	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1662	>	checkCompletedNormally(h1, subtract(w1, w1));
1663	>	checkCompletedNormally(h3, subtract(w1, w1));
1664	>	rs[1].assertValue(subtract(w1, w1));
1665	>	rs[3].assertValue(subtract(w1, w1));
1666	>	assertTrue(snd.complete(w2));
1667	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1668	>
1669	>	checkCompletedNormally(h0, subtract(v1, v2));
1670	>	checkCompletedNormally(h2, subtract(v1, v2));
1671	>	checkCompletedNormally(h4, subtract(v1, v2));
1672	>	rs[0].assertValue(subtract(v1, v2));
1673	>	rs[2].assertValue(subtract(v1, v2));
1674	>	rs[4].assertValue(subtract(v1, v2));
1675
1632	–	checkCompletedWithWrappedCancellationException(h);
1633	–	checkCancelled(g);
1634	–	assertEquals(0, r.invocationCount);
1676		checkCompletedNormally(f, v1);
1677	<	}}
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);
1677	>	checkCompletedNormally(g, v2);
1678		}}
1679
1680		/**
1681	<	* runAfterBoth result completes normally after normal
1682	<	* completion of sources
1681	>	* thenCombine result completes exceptionally after exceptional
1682	>	* completion of either source
1683		*/
1684	<	public void testRunAfterBoth_normalCompletion1() {
1684	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1685		for (ExecutionMode m : ExecutionMode.values())
1686	+	for (boolean fFirst : new boolean[] { true, false })
1687	+	for (boolean failFirst : new boolean[] { true, false })
1688		for (Integer v1 : new Integer[] { 1, null })
1664	–	for (Integer v2 : new Integer[] { 2, null })
1689		{
1690		final CompletableFuture<Integer> f = new CompletableFuture<>();
1691		final CompletableFuture<Integer> g = new CompletableFuture<>();
1692	<	final Noop r = new Noop();
1693	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1694	<
1695	<	f.complete(v1);
1696	<	checkIncomplete(h);
1697	<	assertEquals(0, r.invocationCount);
1698	<	g.complete(v2);
1699	<
1700	<	checkCompletedNormally(h, null);
1701	<	assertEquals(1, r.invocationCount);
1702	<	checkCompletedNormally(f, v1);
1703	<	checkCompletedNormally(g, v2);
1692	>	final CFException ex = new CFException();
1693	>	final SubtractFunction r1 = new SubtractFunction(m);
1694	>	final SubtractFunction r2 = new SubtractFunction(m);
1695	>	final SubtractFunction r3 = new SubtractFunction(m);
1696	>
1697	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1698	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1699	>	final Callable<Boolean> complete1 = failFirst ?
1700	>	() -> fst.completeExceptionally(ex) :
1701	>	() -> fst.complete(v1);
1702	>	final Callable<Boolean> complete2 = failFirst ?
1703	>	() -> snd.complete(v1) :
1704	>	() -> snd.completeExceptionally(ex);
1705	>
1706	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1707	>	assertTrue(complete1.call());
1708	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1709	>	checkIncomplete(h1);
1710	>	checkIncomplete(h2);
1711	>	assertTrue(complete2.call());
1712	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1713	>
1714	>	checkCompletedWithWrappedException(h1, ex);
1715	>	checkCompletedWithWrappedException(h2, ex);
1716	>	checkCompletedWithWrappedException(h3, ex);
1717	>	r1.assertNotInvoked();
1718	>	r2.assertNotInvoked();
1719	>	r3.assertNotInvoked();
1720	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1721	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1722		}}
1723
1724	<	public void testRunAfterBoth_normalCompletion2() {
1724	>	/**
1725	>	* thenCombine result completes exceptionally if either source cancelled
1726	>	*/
1727	>	public void testThenCombine_sourceCancelled() throws Throwable {
1728		for (ExecutionMode m : ExecutionMode.values())
1729	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1730	+	for (boolean fFirst : new boolean[] { true, false })
1731	+	for (boolean failFirst : new boolean[] { true, false })
1732		for (Integer v1 : new Integer[] { 1, null })
1685	–	for (Integer v2 : new Integer[] { 2, null })
1733		{
1734		final CompletableFuture<Integer> f = new CompletableFuture<>();
1735		final CompletableFuture<Integer> g = new CompletableFuture<>();
1736	<	final Noop r = new Noop();
1737	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1738	<
1739	<	g.complete(v2);
1740	<	checkIncomplete(h);
1741	<	assertEquals(0, r.invocationCount);
1742	<	f.complete(v1);
1743	<
1744	<	checkCompletedNormally(h, null);
1745	<	assertEquals(1, r.invocationCount);
1746	<	checkCompletedNormally(f, v1);
1747	<	checkCompletedNormally(g, v2);
1736	>	final SubtractFunction r1 = new SubtractFunction(m);
1737	>	final SubtractFunction r2 = new SubtractFunction(m);
1738	>	final SubtractFunction r3 = new SubtractFunction(m);
1739	>
1740	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1741	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1742	>	final Callable<Boolean> complete1 = failFirst ?
1743	>	() -> fst.cancel(mayInterruptIfRunning) :
1744	>	() -> fst.complete(v1);
1745	>	final Callable<Boolean> complete2 = failFirst ?
1746	>	() -> snd.complete(v1) :
1747	>	() -> snd.cancel(mayInterruptIfRunning);
1748	>
1749	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1750	>	assertTrue(complete1.call());
1751	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1752	>	checkIncomplete(h1);
1753	>	checkIncomplete(h2);
1754	>	assertTrue(complete2.call());
1755	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1756	>
1757	>	checkCompletedWithWrappedCancellationException(h1);
1758	>	checkCompletedWithWrappedCancellationException(h2);
1759	>	checkCompletedWithWrappedCancellationException(h3);
1760	>	r1.assertNotInvoked();
1761	>	r2.assertNotInvoked();
1762	>	r3.assertNotInvoked();
1763	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1764	>	checkCancelled(failFirst ? fst : snd);
1765		}}
1766
1767	<	public void testRunAfterBoth_normalCompletion3() {
1767	>	/**
1768	>	* thenCombine result completes exceptionally if action does
1769	>	*/
1770	>	public void testThenCombine_actionFailed() {
1771		for (ExecutionMode m : ExecutionMode.values())
1772	+	for (boolean fFirst : new boolean[] { true, false })
1773		for (Integer v1 : new Integer[] { 1, null })
1774		for (Integer v2 : new Integer[] { 2, null })
1775		{
1776		final CompletableFuture<Integer> f = new CompletableFuture<>();
1777		final CompletableFuture<Integer> g = new CompletableFuture<>();
1778	<	final Noop r = new Noop();
1779	<
1780	<	g.complete(v2);
1781	<	f.complete(v1);
1782	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1783	<
1784	<	checkCompletedNormally(h, null);
1785	<	assertEquals(1, r.invocationCount);
1778	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1779	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1780	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1781	>
1782	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1783	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1784	>	final Integer w1 =  fFirst ? v1 : v2;
1785	>	final Integer w2 = !fFirst ? v1 : v2;
1786	>
1787	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1788	>	assertTrue(fst.complete(w1));
1789	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1790	>	assertTrue(snd.complete(w2));
1791	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1792	>
1793	>	checkCompletedWithWrappedException(h1, r1.ex);
1794	>	checkCompletedWithWrappedException(h2, r2.ex);
1795	>	checkCompletedWithWrappedException(h3, r3.ex);
1796	>	r1.assertInvoked();
1797	>	r2.assertInvoked();
1798	>	r3.assertInvoked();
1799		checkCompletedNormally(f, v1);
1800		checkCompletedNormally(g, v2);
1801		}}
1802
1803	<	public void testRunAfterBoth_normalCompletion4() {
1803	>	/**
1804	>	* thenAcceptBoth result completes normally after normal
1805	>	* completion of sources
1806	>	*/
1807	>	public void testThenAcceptBoth_normalCompletion() {
1808		for (ExecutionMode m : ExecutionMode.values())
1809	+	for (boolean fFirst : new boolean[] { true, false })
1810		for (Integer v1 : new Integer[] { 1, null })
1811		for (Integer v2 : new Integer[] { 2, null })
1812		{
1813		final CompletableFuture<Integer> f = new CompletableFuture<>();
1814		final CompletableFuture<Integer> g = new CompletableFuture<>();
1815	<	final Noop r = new Noop();
1816	<
1817	<	f.complete(v1);
1818	<	g.complete(v2);
1819	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1820	<
1821	<	checkCompletedNormally(h, null);
1822	<	assertEquals(1, r.invocationCount);
1815	>	final SubtractAction r1 = new SubtractAction(m);
1816	>	final SubtractAction r2 = new SubtractAction(m);
1817	>	final SubtractAction r3 = new SubtractAction(m);
1818	>
1819	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1820	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1821	>	final Integer w1 =  fFirst ? v1 : v2;
1822	>	final Integer w2 = !fFirst ? v1 : v2;
1823	>
1824	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1825	>	assertTrue(fst.complete(w1));
1826	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1827	>	checkIncomplete(h1);
1828	>	checkIncomplete(h2);
1829	>	r1.assertNotInvoked();
1830	>	r2.assertNotInvoked();
1831	>	assertTrue(snd.complete(w2));
1832	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1833	>
1834	>	checkCompletedNormally(h1, null);
1835	>	checkCompletedNormally(h2, null);
1836	>	checkCompletedNormally(h3, null);
1837	>	r1.assertValue(subtract(v1, v2));
1838	>	r2.assertValue(subtract(v1, v2));
1839	>	r3.assertValue(subtract(v1, v2));
1840		checkCompletedNormally(f, v1);
1841		checkCompletedNormally(g, v2);
1842		}}
1843
1844		/**
1845	<	* runAfterBoth result completes exceptionally after exceptional
1845	>	* thenAcceptBoth result completes exceptionally after exceptional
1846		* completion of either source
1847		*/
1848	<	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() {
1766	<	for (ExecutionMode m : ExecutionMode.values())
1767	<	for (Integer v1 : new Integer[] { 1, null })
1768	<	{
1769	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1770	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1771	<	final Noop r = new Noop();
1772	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1773	<	final CFException ex = new CFException();
1774	<
1775	<	g.completeExceptionally(ex);
1776	<	checkIncomplete(h);
1777	<	f.complete(v1);
1778	<
1779	<	checkCompletedWithWrappedCFException(h, ex);
1780	<	checkCompletedWithWrappedCFException(g, ex);
1781	<	assertEquals(0, r.invocationCount);
1782	<	checkCompletedNormally(f, v1);
1783	<	}}
1784	<
1785	<	public void testRunAfterBoth_exceptionalCompletion3() {
1848	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1849		for (ExecutionMode m : ExecutionMode.values())
1850	+	for (boolean fFirst : new boolean[] { true, false })
1851	+	for (boolean failFirst : new boolean[] { true, false })
1852		for (Integer v1 : new Integer[] { 1, null })
1853		{
1854		final CompletableFuture<Integer> f = new CompletableFuture<>();
1855		final CompletableFuture<Integer> g = new CompletableFuture<>();
1791	–	final Noop r = new Noop();
1856		final CFException ex = new CFException();
1857	<
1858	<	g.completeExceptionally(ex);
1859	<	f.complete(v1);
1860	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1861	<
1862	<	checkCompletedWithWrappedCFException(h, ex);
1863	<	checkCompletedWithWrappedCFException(g, ex);
1864	<	assertEquals(0, r.invocationCount);
1865	<	checkCompletedNormally(f, v1);
1857	>	final SubtractAction r1 = new SubtractAction(m);
1858	>	final SubtractAction r2 = new SubtractAction(m);
1859	>	final SubtractAction r3 = new SubtractAction(m);
1860	>
1861	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1862	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1863	>	final Callable<Boolean> complete1 = failFirst ?
1864	>	() -> fst.completeExceptionally(ex) :
1865	>	() -> fst.complete(v1);
1866	>	final Callable<Boolean> complete2 = failFirst ?
1867	>	() -> snd.complete(v1) :
1868	>	() -> snd.completeExceptionally(ex);
1869	>
1870	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1871	>	assertTrue(complete1.call());
1872	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1873	>	checkIncomplete(h1);
1874	>	checkIncomplete(h2);
1875	>	assertTrue(complete2.call());
1876	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1877	>
1878	>	checkCompletedWithWrappedException(h1, ex);
1879	>	checkCompletedWithWrappedException(h2, ex);
1880	>	checkCompletedWithWrappedException(h3, ex);
1881	>	r1.assertNotInvoked();
1882	>	r2.assertNotInvoked();
1883	>	r3.assertNotInvoked();
1884	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1885	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1886		}}
1887
1888	<	public void testRunAfterBoth_exceptionalCompletion4() {
1888	>	/**
1889	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1890	>	*/
1891	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1892		for (ExecutionMode m : ExecutionMode.values())
1893	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1894	+	for (boolean fFirst : new boolean[] { true, false })
1895	+	for (boolean failFirst : new boolean[] { true, false })
1896		for (Integer v1 : new Integer[] { 1, null })
1897		{
1898		final CompletableFuture<Integer> f = new CompletableFuture<>();
1899		final CompletableFuture<Integer> g = new CompletableFuture<>();
1900	<	final Noop r = new Noop();
1901	<	final CFException ex = new CFException();
1902	<
1903	<	f.completeExceptionally(ex);
1904	<	g.complete(v1);
1905	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1906	<
1907	<	checkCompletedWithWrappedCFException(h, ex);
1908	<	checkCompletedWithWrappedCFException(f, ex);
1909	<	assertEquals(0, r.invocationCount);
1910	<	checkCompletedNormally(g, v1);
1900	>	final SubtractAction r1 = new SubtractAction(m);
1901	>	final SubtractAction r2 = new SubtractAction(m);
1902	>	final SubtractAction r3 = new SubtractAction(m);
1903	>
1904	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1905	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1906	>	final Callable<Boolean> complete1 = failFirst ?
1907	>	() -> fst.cancel(mayInterruptIfRunning) :
1908	>	() -> fst.complete(v1);
1909	>	final Callable<Boolean> complete2 = failFirst ?
1910	>	() -> snd.complete(v1) :
1911	>	() -> snd.cancel(mayInterruptIfRunning);
1912	>
1913	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1914	>	assertTrue(complete1.call());
1915	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1916	>	checkIncomplete(h1);
1917	>	checkIncomplete(h2);
1918	>	assertTrue(complete2.call());
1919	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1920	>
1921	>	checkCompletedWithWrappedCancellationException(h1);
1922	>	checkCompletedWithWrappedCancellationException(h2);
1923	>	checkCompletedWithWrappedCancellationException(h3);
1924	>	r1.assertNotInvoked();
1925	>	r2.assertNotInvoked();
1926	>	r3.assertNotInvoked();
1927	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1928	>	checkCancelled(failFirst ? fst : snd);
1929		}}
1930
1931		/**
1932	<	* runAfterBoth result completes exceptionally if action does
1932	>	* thenAcceptBoth result completes exceptionally if action does
1933		*/
1934	<	public void testRunAfterBoth_actionFailed1() {
1934	>	public void testThenAcceptBoth_actionFailed() {
1935		for (ExecutionMode m : ExecutionMode.values())
1936	+	for (boolean fFirst : new boolean[] { true, false })
1937		for (Integer v1 : new Integer[] { 1, null })
1938		for (Integer v2 : new Integer[] { 2, null })
1939		{
1940		final CompletableFuture<Integer> f = new CompletableFuture<>();
1941		final CompletableFuture<Integer> g = new CompletableFuture<>();
1942	<	final FailingNoop r = new FailingNoop();
1943	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1944	<
1945	<	f.complete(v1);
1946	<	checkIncomplete(h);
1947	<	g.complete(v2);
1948	<
1949	<	checkCompletedWithWrappedCFException(h);
1942	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1943	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1944	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1945	>
1946	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1947	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1948	>	final Integer w1 =  fFirst ? v1 : v2;
1949	>	final Integer w2 = !fFirst ? v1 : v2;
1950	>
1951	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1952	>	assertTrue(fst.complete(w1));
1953	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1954	>	assertTrue(snd.complete(w2));
1955	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1956	>
1957	>	checkCompletedWithWrappedException(h1, r1.ex);
1958	>	checkCompletedWithWrappedException(h2, r2.ex);
1959	>	checkCompletedWithWrappedException(h3, r3.ex);
1960	>	r1.assertInvoked();
1961	>	r2.assertInvoked();
1962	>	r3.assertInvoked();
1963		checkCompletedNormally(f, v1);
1964		checkCompletedNormally(g, v2);
1965		}}
1966
1967	<	public void testRunAfterBoth_actionFailed2() {
1967	>	/**
1968	>	* runAfterBoth result completes normally after normal
1969	>	* completion of sources
1970	>	*/
1971	>	public void testRunAfterBoth_normalCompletion() {
1972		for (ExecutionMode m : ExecutionMode.values())
1973	+	for (boolean fFirst : new boolean[] { true, false })
1974		for (Integer v1 : new Integer[] { 1, null })
1975		for (Integer v2 : new Integer[] { 2, null })
1976		{
1977		final CompletableFuture<Integer> f = new CompletableFuture<>();
1978		final CompletableFuture<Integer> g = new CompletableFuture<>();
1979	<	final FailingNoop r = new FailingNoop();
1980	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1981	<
1982	<	g.complete(v2);
1983	<	checkIncomplete(h);
1984	<	f.complete(v1);
1985	<
1986	<	checkCompletedWithWrappedCFException(h);
1979	>	final Noop r1 = new Noop(m);
1980	>	final Noop r2 = new Noop(m);
1981	>	final Noop r3 = new Noop(m);
1982	>
1983	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1984	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1985	>	final Integer w1 =  fFirst ? v1 : v2;
1986	>	final Integer w2 = !fFirst ? v1 : v2;
1987	>
1988	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1989	>	assertTrue(fst.complete(w1));
1990	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1991	>	checkIncomplete(h1);
1992	>	checkIncomplete(h2);
1993	>	r1.assertNotInvoked();
1994	>	r2.assertNotInvoked();
1995	>	assertTrue(snd.complete(w2));
1996	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1997	>
1998	>	checkCompletedNormally(h1, null);
1999	>	checkCompletedNormally(h2, null);
2000	>	checkCompletedNormally(h3, null);
2001	>	r1.assertInvoked();
2002	>	r2.assertInvoked();
2003	>	r3.assertInvoked();
2004		checkCompletedNormally(f, v1);
2005		checkCompletedNormally(g, v2);
2006		}}
2007
2008		/**
2009	<	* runAfterBoth result completes exceptionally if either source cancelled
2009	>	* runAfterBoth result completes exceptionally after exceptional
2010	>	* completion of either source
2011		*/
2012	<	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() {
1888	<	for (ExecutionMode m : ExecutionMode.values())
1889	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1890	<	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() {
2012	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
2013		for (ExecutionMode m : ExecutionMode.values())
2014	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2014	>	for (boolean fFirst : new boolean[] { true, false })
2015	>	for (boolean failFirst : new boolean[] { true, false })
2016		for (Integer v1 : new Integer[] { 1, null })
2017		{
2018		final CompletableFuture<Integer> f = new CompletableFuture<>();
2019		final CompletableFuture<Integer> g = new CompletableFuture<>();
2020	<	final Noop r = new Noop();
2021	<
2022	<	assertTrue(g.cancel(mayInterruptIfRunning));
2023	<	f.complete(v1);
2024	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2025	<
2026	<	checkCompletedWithWrappedCancellationException(h);
2027	<	checkCancelled(g);
2028	<	assertEquals(0, r.invocationCount);
2029	<	checkCompletedNormally(f, v1);
2020	>	final CFException ex = new CFException();
2021	>	final Noop r1 = new Noop(m);
2022	>	final Noop r2 = new Noop(m);
2023	>	final Noop r3 = new Noop(m);
2024	>
2025	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2026	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2027	>	final Callable<Boolean> complete1 = failFirst ?
2028	>	() -> fst.completeExceptionally(ex) :
2029	>	() -> fst.complete(v1);
2030	>	final Callable<Boolean> complete2 = failFirst ?
2031	>	() -> snd.complete(v1) :
2032	>	() -> snd.completeExceptionally(ex);
2033	>
2034	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2035	>	assertTrue(complete1.call());
2036	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2037	>	checkIncomplete(h1);
2038	>	checkIncomplete(h2);
2039	>	assertTrue(complete2.call());
2040	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2041	>
2042	>	checkCompletedWithWrappedException(h1, ex);
2043	>	checkCompletedWithWrappedException(h2, ex);
2044	>	checkCompletedWithWrappedException(h3, ex);
2045	>	r1.assertNotInvoked();
2046	>	r2.assertNotInvoked();
2047	>	r3.assertNotInvoked();
2048	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2049	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2050		}}
2051
2052	<	public void testRunAfterBoth_sourceCancelled4() {
2052	>	/**
2053	>	* runAfterBoth result completes exceptionally if either source cancelled
2054	>	*/
2055	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2056		for (ExecutionMode m : ExecutionMode.values())
2057		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2058	+	for (boolean fFirst : new boolean[] { true, false })
2059	+	for (boolean failFirst : new boolean[] { true, false })
2060		for (Integer v1 : new Integer[] { 1, null })
2061		{
2062		final CompletableFuture<Integer> f = new CompletableFuture<>();
2063		final CompletableFuture<Integer> g = new CompletableFuture<>();
2064	<	final Noop r = new Noop();
2065	<
2066	<	assertTrue(f.cancel(mayInterruptIfRunning));
2067	<	g.complete(v1);
2068	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2069	<
2070	<	checkCompletedWithWrappedCancellationException(h);
2071	<	checkCancelled(f);
2072	<	assertEquals(0, r.invocationCount);
2073	<	checkCompletedNormally(g, v1);
2064	>	final Noop r1 = new Noop(m);
2065	>	final Noop r2 = new Noop(m);
2066	>	final Noop r3 = new Noop(m);
2067	>
2068	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2069	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2070	>	final Callable<Boolean> complete1 = failFirst ?
2071	>	() -> fst.cancel(mayInterruptIfRunning) :
2072	>	() -> fst.complete(v1);
2073	>	final Callable<Boolean> complete2 = failFirst ?
2074	>	() -> snd.complete(v1) :
2075	>	() -> snd.cancel(mayInterruptIfRunning);
2076	>
2077	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2078	>	assertTrue(complete1.call());
2079	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2080	>	checkIncomplete(h1);
2081	>	checkIncomplete(h2);
2082	>	assertTrue(complete2.call());
2083	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2084	>
2085	>	checkCompletedWithWrappedCancellationException(h1);
2086	>	checkCompletedWithWrappedCancellationException(h2);
2087	>	checkCompletedWithWrappedCancellationException(h3);
2088	>	r1.assertNotInvoked();
2089	>	r2.assertNotInvoked();
2090	>	r3.assertNotInvoked();
2091	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2092	>	checkCancelled(failFirst ? fst : snd);
2093		}}
2094
2095		/**
2096	<	* applyToEither result completes normally after normal completion
1947	<	* of either source
2096	>	* runAfterBoth result completes exceptionally if action does
2097		*/
2098	<	public void testApplyToEither_normalCompletion1() {
2098	>	public void testRunAfterBoth_actionFailed() {
2099		for (ExecutionMode m : ExecutionMode.values())
2100	+	for (boolean fFirst : new boolean[] { true, false })
2101		for (Integer v1 : new Integer[] { 1, null })
2102		for (Integer v2 : new Integer[] { 2, null })
2103		{
2104		final CompletableFuture<Integer> f = new CompletableFuture<>();
2105		final CompletableFuture<Integer> g = new CompletableFuture<>();
2106	<	final IncFunction r = new IncFunction();
2107	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2108	<
2109	<	f.complete(v1);
2110	<	checkCompletedNormally(h, inc(v1));
2111	<	g.complete(v2);
2112	<
2106	>	final FailingRunnable r1 = new FailingRunnable(m);
2107	>	final FailingRunnable r2 = new FailingRunnable(m);
2108	>	final FailingRunnable r3 = new FailingRunnable(m);
2109	>
2110	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2111	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2112	>	final Integer w1 =  fFirst ? v1 : v2;
2113	>	final Integer w2 = !fFirst ? v1 : v2;
2114	>
2115	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2116	>	assertTrue(fst.complete(w1));
2117	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2118	>	assertTrue(snd.complete(w2));
2119	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2120	>
2121	>	checkCompletedWithWrappedException(h1, r1.ex);
2122	>	checkCompletedWithWrappedException(h2, r2.ex);
2123	>	checkCompletedWithWrappedException(h3, r3.ex);
2124	>	r1.assertInvoked();
2125	>	r2.assertInvoked();
2126	>	r3.assertInvoked();
2127		checkCompletedNormally(f, v1);
2128		checkCompletedNormally(g, v2);
1965	–	checkCompletedNormally(h, inc(v1));
2129		}}
2130
2131	<	public void testApplyToEither_normalCompletion2() {
2131	>	/**
2132	>	* applyToEither result completes normally after normal completion
2133	>	* of either source
2134	>	*/
2135	>	public void testApplyToEither_normalCompletion() {
2136		for (ExecutionMode m : ExecutionMode.values())
2137		for (Integer v1 : new Integer[] { 1, null })
2138		for (Integer v2 : new Integer[] { 2, null })
2139		{
2140		final CompletableFuture<Integer> f = new CompletableFuture<>();
2141		final CompletableFuture<Integer> g = new CompletableFuture<>();
2142	<	final IncFunction r = new IncFunction();
2143	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2142	>	final IncFunction[] rs = new IncFunction[6];
2143	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2144
2145	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2146	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2147	+	checkIncomplete(h0);
2148	+	checkIncomplete(h1);
2149	+	rs[0].assertNotInvoked();
2150	+	rs[1].assertNotInvoked();
2151	+	f.complete(v1);
2152	+	checkCompletedNormally(h0, inc(v1));
2153	+	checkCompletedNormally(h1, inc(v1));
2154	+	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2155	+	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2156	+	checkCompletedNormally(h2, inc(v1));
2157	+	checkCompletedNormally(h3, inc(v1));
2158		g.complete(v2);
1979	–	checkCompletedNormally(h, inc(v2));
1980	–	f.complete(v1);
1981	–
1982	–	checkCompletedNormally(f, v1);
1983	–	checkCompletedNormally(g, v2);
1984	–	checkCompletedNormally(h, inc(v2));
1985	–	}}
1986	–
1987	–	public void testApplyToEither_normalCompletion3() {
1988	–	for (ExecutionMode m : ExecutionMode.values())
1989	–	for (Integer v1 : new Integer[] { 1, null })
1990	–	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();
2159
2160	<	f.complete(v1);
2161	<	g.complete(v2);
2162	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2160	>	// unspecified behavior - both source completions available
2161	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2162	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2163	>	rs[4].assertValue(h4.join());
2164	>	rs[5].assertValue(h5.join());
2165	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2166	>	Objects.equals(inc(v2), h4.join()));
2167	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2168	>	Objects.equals(inc(v2), h5.join()));
2169
2170		checkCompletedNormally(f, v1);
2171		checkCompletedNormally(g, v2);
2172	<
2173	<	// unspecified behavior
2174	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2175	<	Objects.equals(h.join(), inc(v2)));
2176	<	assertEquals(1, r.invocationCount);
2172	>	checkCompletedNormally(h0, inc(v1));
2173	>	checkCompletedNormally(h1, inc(v1));
2174	>	checkCompletedNormally(h2, inc(v1));
2175	>	checkCompletedNormally(h3, inc(v1));
2176	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2177		}}
2178
2179		/**
2180		* applyToEither result completes exceptionally after exceptional
2181		* completion of either source
2182		*/
2183	<	public void testApplyToEither_exceptionalCompletion1() {
2183	>	public void testApplyToEither_exceptionalCompletion() {
2184		for (ExecutionMode m : ExecutionMode.values())
2185		for (Integer v1 : new Integer[] { 1, null })
2186		{
2187		final CompletableFuture<Integer> f = new CompletableFuture<>();
2188		final CompletableFuture<Integer> g = new CompletableFuture<>();
2019	–	final IncFunction r = new IncFunction();
2020	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2189		final CFException ex = new CFException();
2190	+	final IncFunction[] rs = new IncFunction[6];
2191	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2192
2193	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2194	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2195	+	checkIncomplete(h0);
2196	+	checkIncomplete(h1);
2197	+	rs[0].assertNotInvoked();
2198	+	rs[1].assertNotInvoked();
2199		f.completeExceptionally(ex);
2200	<	checkCompletedWithWrappedCFException(h, ex);
2200	>	checkCompletedWithWrappedException(h0, ex);
2201	>	checkCompletedWithWrappedException(h1, ex);
2202	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2203	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2204	>	checkCompletedWithWrappedException(h2, ex);
2205	>	checkCompletedWithWrappedException(h3, ex);
2206		g.complete(v1);
2207
2208	<	assertEquals(0, r.invocationCount);
2208	>	// unspecified behavior - both source completions available
2209	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2210	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2211	>	try {
2212	>	assertEquals(inc(v1), h4.join());
2213	>	rs[4].assertValue(inc(v1));
2214	>	} catch (CompletionException ok) {
2215	>	checkCompletedWithWrappedException(h4, ex);
2216	>	rs[4].assertNotInvoked();
2217	>	}
2218	>	try {
2219	>	assertEquals(inc(v1), h5.join());
2220	>	rs[5].assertValue(inc(v1));
2221	>	} catch (CompletionException ok) {
2222	>	checkCompletedWithWrappedException(h5, ex);
2223	>	rs[5].assertNotInvoked();
2224	>	}
2225	>
2226	>	checkCompletedExceptionally(f, ex);
2227		checkCompletedNormally(g, v1);
2228	<	checkCompletedWithWrappedCFException(f, ex);
2229	<	checkCompletedWithWrappedCFException(h, ex);
2228	>	checkCompletedWithWrappedException(h0, ex);
2229	>	checkCompletedWithWrappedException(h1, ex);
2230	>	checkCompletedWithWrappedException(h2, ex);
2231	>	checkCompletedWithWrappedException(h3, ex);
2232	>	checkCompletedWithWrappedException(h4, ex);
2233	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2234		}}
2235
2236		public void testApplyToEither_exceptionalCompletion2() {
2237		for (ExecutionMode m : ExecutionMode.values())
2238	+	for (boolean fFirst : new boolean[] { true, false })
2239		for (Integer v1 : new Integer[] { 1, null })
2240		{
2241		final CompletableFuture<Integer> f = new CompletableFuture<>();
2242		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();
2243		final CFException ex = new CFException();
2244	+	final IncFunction[] rs = new IncFunction[6];
2245	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2246
2247	<	g.completeExceptionally(ex);
2248	<	f.complete(v1);
2249	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2247	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2248	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2249	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2250	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2251	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2252	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2253
2254	<	// unspecified behavior
2067	<	Integer v;
2254	>	// unspecified behavior - both source completions available
2255		try {
2256	<	assertEquals(inc(v1), h.join());
2257	<	assertEquals(1, r.invocationCount);
2256	>	assertEquals(inc(v1), h0.join());
2257	>	rs[0].assertValue(inc(v1));
2258		} catch (CompletionException ok) {
2259	<	checkCompletedWithWrappedCFException(h, ex);
2260	<	assertEquals(0, r.invocationCount);
2259	>	checkCompletedWithWrappedException(h0, ex);
2260	>	rs[0].assertNotInvoked();
2261		}
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;
2262		try {
2263	<	assertEquals(inc(v1), h.join());
2264	<	assertEquals(1, r.invocationCount);
2263	>	assertEquals(inc(v1), h1.join());
2264	>	rs[1].assertValue(inc(v1));
2265		} catch (CompletionException ok) {
2266	<	checkCompletedWithWrappedCFException(h, ex);
2267	<	assertEquals(0, r.invocationCount);
2266	>	checkCompletedWithWrappedException(h1, ex);
2267	>	rs[1].assertNotInvoked();
2268	>	}
2269	>	try {
2270	>	assertEquals(inc(v1), h2.join());
2271	>	rs[2].assertValue(inc(v1));
2272	>	} catch (CompletionException ok) {
2273	>	checkCompletedWithWrappedException(h2, ex);
2274	>	rs[2].assertNotInvoked();
2275	>	}
2276	>	try {
2277	>	assertEquals(inc(v1), h3.join());
2278	>	rs[3].assertValue(inc(v1));
2279	>	} catch (CompletionException ok) {
2280	>	checkCompletedWithWrappedException(h3, ex);
2281	>	rs[3].assertNotInvoked();
2282		}
2283
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);
2284		checkCompletedNormally(f, v1);
2285	<	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);
2140	<	checkCompletedNormally(f, v1);
2141	<	checkCompletedNormally(g, v2);
2285	>	checkCompletedExceptionally(g, ex);
2286		}}
2287
2288		/**
2289		* applyToEither result completes exceptionally if either source cancelled
2290		*/
2291	<	public void testApplyToEither_sourceCancelled1() {
2291	>	public void testApplyToEither_sourceCancelled() {
2292		for (ExecutionMode m : ExecutionMode.values())
2293		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2294		for (Integer v1 : new Integer[] { 1, null })
2295		{
2296		final CompletableFuture<Integer> f = new CompletableFuture<>();
2297		final CompletableFuture<Integer> g = new CompletableFuture<>();
2298	<	final IncFunction r = new IncFunction();
2299	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2298	>	final IncFunction[] rs = new IncFunction[6];
2299	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2300
2301	<	assertTrue(f.cancel(mayInterruptIfRunning));
2302	<	checkCompletedWithWrappedCancellationException(h);
2301	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2302	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2303	>	checkIncomplete(h0);
2304	>	checkIncomplete(h1);
2305	>	rs[0].assertNotInvoked();
2306	>	rs[1].assertNotInvoked();
2307	>	f.cancel(mayInterruptIfRunning);
2308	>	checkCompletedWithWrappedCancellationException(h0);
2309	>	checkCompletedWithWrappedCancellationException(h1);
2310	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2311	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2312	>	checkCompletedWithWrappedCancellationException(h2);
2313	>	checkCompletedWithWrappedCancellationException(h3);
2314		g.complete(v1);
2315
2316	+	// unspecified behavior - both source completions available
2317	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2318	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2319	+	try {
2320	+	assertEquals(inc(v1), h4.join());
2321	+	rs[4].assertValue(inc(v1));
2322	+	} catch (CompletionException ok) {
2323	+	checkCompletedWithWrappedCancellationException(h4);
2324	+	rs[4].assertNotInvoked();
2325	+	}
2326	+	try {
2327	+	assertEquals(inc(v1), h5.join());
2328	+	rs[5].assertValue(inc(v1));
2329	+	} catch (CompletionException ok) {
2330	+	checkCompletedWithWrappedCancellationException(h5);
2331	+	rs[5].assertNotInvoked();
2332	+	}
2333	+
2334		checkCancelled(f);
2162	–	assertEquals(0, r.invocationCount);
2335		checkCompletedNormally(g, v1);
2336	<	checkCompletedWithWrappedCancellationException(h);
2336	>	checkCompletedWithWrappedCancellationException(h0);
2337	>	checkCompletedWithWrappedCancellationException(h1);
2338	>	checkCompletedWithWrappedCancellationException(h2);
2339	>	checkCompletedWithWrappedCancellationException(h3);
2340	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2341		}}
2342
2343		public void testApplyToEither_sourceCancelled2() {
2344		for (ExecutionMode m : ExecutionMode.values())
2345		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2346	+	for (boolean fFirst : new boolean[] { true, false })
2347		for (Integer v1 : new Integer[] { 1, null })
2348		{
2349		final CompletableFuture<Integer> f = new CompletableFuture<>();
2350		final CompletableFuture<Integer> g = new CompletableFuture<>();
2351	<	final IncFunction r = new IncFunction();
2352	<	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();
2351	>	final IncFunction[] rs = new IncFunction[6];
2352	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2353
2354	<	assertTrue(g.cancel(mayInterruptIfRunning));
2355	<	f.complete(v1);
2356	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2354	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2355	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2356	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2357	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2358	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2359	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2360
2361	<	// unspecified behavior
2201	<	Integer v;
2361	>	// unspecified behavior - both source completions available
2362		try {
2363	<	assertEquals(inc(v1), h.join());
2364	<	assertEquals(1, r.invocationCount);
2363	>	assertEquals(inc(v1), h0.join());
2364	>	rs[0].assertValue(inc(v1));
2365		} catch (CompletionException ok) {
2366	<	checkCompletedWithWrappedCancellationException(h);
2367	<	assertEquals(0, r.invocationCount);
2366	>	checkCompletedWithWrappedCancellationException(h0);
2367	>	rs[0].assertNotInvoked();
2368	>	}
2369	>	try {
2370	>	assertEquals(inc(v1), h1.join());
2371	>	rs[1].assertValue(inc(v1));
2372	>	} catch (CompletionException ok) {
2373	>	checkCompletedWithWrappedCancellationException(h1);
2374	>	rs[1].assertNotInvoked();
2375	>	}
2376	>	try {
2377	>	assertEquals(inc(v1), h2.join());
2378	>	rs[2].assertValue(inc(v1));
2379	>	} catch (CompletionException ok) {
2380	>	checkCompletedWithWrappedCancellationException(h2);
2381	>	rs[2].assertNotInvoked();
2382		}
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;
2383		try {
2384	<	assertEquals(inc(v1), h.join());
2385	<	assertEquals(1, r.invocationCount);
2384	>	assertEquals(inc(v1), h3.join());
2385	>	rs[3].assertValue(inc(v1));
2386		} catch (CompletionException ok) {
2387	<	checkCompletedWithWrappedCancellationException(h);
2388	<	assertEquals(0, r.invocationCount);
2387	>	checkCompletedWithWrappedCancellationException(h3);
2388	>	rs[3].assertNotInvoked();
2389		}
2390
2391	<	checkCancelled(f);
2392	<	checkCompletedNormally(g, v1);
2391	>	checkCompletedNormally(f, v1);
2392	>	checkCancelled(g);
2393		}}
2394
2395		/**
2396	<	* acceptEither result completes normally after normal completion
2243	<	* of either source
2396	>	* applyToEither result completes exceptionally if action does
2397		*/
2398	<	public void testAcceptEither_normalCompletion1() {
2398	>	public void testApplyToEither_actionFailed() {
2399		for (ExecutionMode m : ExecutionMode.values())
2400		for (Integer v1 : new Integer[] { 1, null })
2401		for (Integer v2 : new Integer[] { 2, null })
2402		{
2403		final CompletableFuture<Integer> f = new CompletableFuture<>();
2404		final CompletableFuture<Integer> g = new CompletableFuture<>();
2405	<	final IncAction r = new IncAction();
2406	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2405	>	final FailingFunction[] rs = new FailingFunction[6];
2406	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2407
2408	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2409	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2410		f.complete(v1);
2411	<	checkCompletedNormally(h, null);
2412	<	assertEquals(inc(v1), r.value);
2413	<	g.complete(v2);
2414	<
2415	<	checkCompletedNormally(f, v1);
2416	<	checkCompletedNormally(g, v2);
2417	<	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);
2411	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2412	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2413	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2414	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2415	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2416	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2417	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2418
2419		g.complete(v2);
2420	<	checkCompletedNormally(h, null);
2421	<	assertEquals(inc(v2), r.value);
2422	<	f.complete(v1);
2420	>
2421	>	// unspecified behavior - both source completions available
2422	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2423	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2424	>
2425	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2426	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2427	>	Objects.equals(v2, rs[4].value));
2428	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2429	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2430	>	Objects.equals(v2, rs[5].value));
2431
2432		checkCompletedNormally(f, v1);
2433		checkCompletedNormally(g, v2);
2282	–	checkCompletedNormally(h, null);
2434		}}
2435
2436	<	public void testAcceptEither_normalCompletion3() {
2436	>	/**
2437	>	* acceptEither result completes normally after normal completion
2438	>	* of either source
2439	>	*/
2440	>	public void testAcceptEither_normalCompletion() {
2441		for (ExecutionMode m : ExecutionMode.values())
2442		for (Integer v1 : new Integer[] { 1, null })
2443		for (Integer v2 : new Integer[] { 2, null })
2444		{
2445		final CompletableFuture<Integer> f = new CompletableFuture<>();
2446		final CompletableFuture<Integer> g = new CompletableFuture<>();
2447	<	final IncAction r = new IncAction();
2447	>	final NoopConsumer[] rs = new NoopConsumer[6];
2448	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2449
2450	<	f.complete(v1);
2450	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2451	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2452	>	checkIncomplete(h0);
2453	>	checkIncomplete(h1);
2454	>	rs[0].assertNotInvoked();
2455	>	rs[1].assertNotInvoked();
2456	>	f.complete(v1);
2457	>	checkCompletedNormally(h0, null);
2458	>	checkCompletedNormally(h1, null);
2459	>	rs[0].assertValue(v1);
2460	>	rs[1].assertValue(v1);
2461	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2462	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2463	>	checkCompletedNormally(h2, null);
2464	>	checkCompletedNormally(h3, null);
2465	>	rs[2].assertValue(v1);
2466	>	rs[3].assertValue(v1);
2467		g.complete(v2);
2296	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2468
2469	<	checkCompletedNormally(h, null);
2469	>	// unspecified behavior - both source completions available
2470	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2471	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2472	>	checkCompletedNormally(h4, null);
2473	>	checkCompletedNormally(h5, null);
2474	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2475	>	Objects.equals(v2, rs[4].value));
2476	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2477	>	Objects.equals(v2, rs[5].value));
2478	>
2479		checkCompletedNormally(f, v1);
2480		checkCompletedNormally(g, v2);
2481	<
2482	<	// unspecified behavior
2483	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2484	<	Objects.equals(r.value, inc(v2)));
2481	>	checkCompletedNormally(h0, null);
2482	>	checkCompletedNormally(h1, null);
2483	>	checkCompletedNormally(h2, null);
2484	>	checkCompletedNormally(h3, null);
2485	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2486		}}
2487
2488		/**
2489		* acceptEither result completes exceptionally after exceptional
2490		* completion of either source
2491		*/
2492	<	public void testAcceptEither_exceptionalCompletion1() {
2492	>	public void testAcceptEither_exceptionalCompletion() {
2493		for (ExecutionMode m : ExecutionMode.values())
2494		for (Integer v1 : new Integer[] { 1, null })
2495		{
2496		final CompletableFuture<Integer> f = new CompletableFuture<>();
2497		final CompletableFuture<Integer> g = new CompletableFuture<>();
2317	–	final IncAction r = new IncAction();
2318	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2498		final CFException ex = new CFException();
2499	+	final NoopConsumer[] rs = new NoopConsumer[6];
2500	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2501
2502	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2503	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2504	+	checkIncomplete(h0);
2505	+	checkIncomplete(h1);
2506	+	rs[0].assertNotInvoked();
2507	+	rs[1].assertNotInvoked();
2508		f.completeExceptionally(ex);
2509	<	checkCompletedWithWrappedCFException(h, ex);
2509	>	checkCompletedWithWrappedException(h0, ex);
2510	>	checkCompletedWithWrappedException(h1, ex);
2511	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2512	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2513	>	checkCompletedWithWrappedException(h2, ex);
2514	>	checkCompletedWithWrappedException(h3, ex);
2515	>
2516		g.complete(v1);
2517
2518	<	assertEquals(0, r.invocationCount);
2518	>	// unspecified behavior - both source completions available
2519	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2520	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2521	>	try {
2522	>	assertNull(h4.join());
2523	>	rs[4].assertValue(v1);
2524	>	} catch (CompletionException ok) {
2525	>	checkCompletedWithWrappedException(h4, ex);
2526	>	rs[4].assertNotInvoked();
2527	>	}
2528	>	try {
2529	>	assertNull(h5.join());
2530	>	rs[5].assertValue(v1);
2531	>	} catch (CompletionException ok) {
2532	>	checkCompletedWithWrappedException(h5, ex);
2533	>	rs[5].assertNotInvoked();
2534	>	}
2535	>
2536	>	checkCompletedExceptionally(f, ex);
2537		checkCompletedNormally(g, v1);
2538	<	checkCompletedWithWrappedCFException(f, ex);
2539	<	checkCompletedWithWrappedCFException(h, ex);
2538	>	checkCompletedWithWrappedException(h0, ex);
2539	>	checkCompletedWithWrappedException(h1, ex);
2540	>	checkCompletedWithWrappedException(h2, ex);
2541	>	checkCompletedWithWrappedException(h3, ex);
2542	>	checkCompletedWithWrappedException(h4, ex);
2543	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2544		}}
2545
2546		public void testAcceptEither_exceptionalCompletion2() {
2547		for (ExecutionMode m : ExecutionMode.values())
2548	+	for (boolean fFirst : new boolean[] { true, false })
2549		for (Integer v1 : new Integer[] { 1, null })
2550		{
2551		final CompletableFuture<Integer> f = new CompletableFuture<>();
2552		final CompletableFuture<Integer> g = new CompletableFuture<>();
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();
2553		final CFException ex = new CFException();
2554	+	final NoopConsumer[] rs = new NoopConsumer[6];
2555	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2556
2557	<	g.completeExceptionally(ex);
2558	<	f.complete(v1);
2559	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2557	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2558	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2559	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2560	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2561	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2562	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2563
2564	<	// unspecified behavior
2365	<	Integer v;
2564	>	// unspecified behavior - both source completions available
2565		try {
2566	<	assertNull(h.join());
2567	<	assertEquals(1, r.invocationCount);
2369	<	assertEquals(inc(v1), r.value);
2566	>	assertEquals(null, h0.join());
2567	>	rs[0].assertValue(v1);
2568		} catch (CompletionException ok) {
2569	<	checkCompletedWithWrappedCFException(h, ex);
2570	<	assertEquals(0, r.invocationCount);
2569	>	checkCompletedWithWrappedException(h0, ex);
2570	>	rs[0].assertNotInvoked();
2571		}
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;
2572		try {
2573	<	assertNull(h.join());
2574	<	assertEquals(1, r.invocationCount);
2397	<	assertEquals(inc(v1), r.value);
2573	>	assertEquals(null, h1.join());
2574	>	rs[1].assertValue(v1);
2575		} catch (CompletionException ok) {
2576	<	checkCompletedWithWrappedCFException(h, ex);
2577	<	assertEquals(0, r.invocationCount);
2576	>	checkCompletedWithWrappedException(h1, ex);
2577	>	rs[1].assertNotInvoked();
2578	>	}
2579	>	try {
2580	>	assertEquals(null, h2.join());
2581	>	rs[2].assertValue(v1);
2582	>	} catch (CompletionException ok) {
2583	>	checkCompletedWithWrappedException(h2, ex);
2584	>	rs[2].assertNotInvoked();
2585	>	}
2586	>	try {
2587	>	assertEquals(null, h3.join());
2588	>	rs[3].assertValue(v1);
2589	>	} catch (CompletionException ok) {
2590	>	checkCompletedWithWrappedException(h3, ex);
2591	>	rs[3].assertNotInvoked();
2592		}
2593
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);
2594		checkCompletedNormally(f, v1);
2595	<	checkCompletedNormally(g, v2);
2595	>	checkCompletedExceptionally(g, ex);
2596		}}
2597
2598		/**
2599		* acceptEither result completes exceptionally if either source cancelled
2600		*/
2601	<	public void testAcceptEither_sourceCancelled1() {
2448	<	for (ExecutionMode m : ExecutionMode.values())
2449	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2450	<	for (Integer v1 : new Integer[] { 1, null })
2451	<	{
2452	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2453	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2454	<	final IncAction r = new IncAction();
2455	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2456	<
2457	<	assertTrue(f.cancel(mayInterruptIfRunning));
2458	<	checkCompletedWithWrappedCancellationException(h);
2459	<	g.complete(v1);
2460	<
2461	<	checkCancelled(f);
2462	<	assertEquals(0, r.invocationCount);
2463	<	checkCompletedNormally(g, v1);
2464	<	checkCompletedWithWrappedCancellationException(h);
2465	<	}}
2466	<
2467	<	public void testAcceptEither_sourceCancelled2() {
2601	>	public void testAcceptEither_sourceCancelled() {
2602		for (ExecutionMode m : ExecutionMode.values())
2603		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2604		for (Integer v1 : new Integer[] { 1, null })
2605		{
2606		final CompletableFuture<Integer> f = new CompletableFuture<>();
2607		final CompletableFuture<Integer> g = new CompletableFuture<>();
2608	<	final IncAction r = new IncAction();
2609	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2476	<
2477	<	assertTrue(g.cancel(mayInterruptIfRunning));
2478	<	checkCompletedWithWrappedCancellationException(h);
2479	<	f.complete(v1);
2608	>	final NoopConsumer[] rs = new NoopConsumer[6];
2609	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2610
2611	<	checkCancelled(g);
2612	<	assertEquals(0, r.invocationCount);
2613	<	checkCompletedNormally(f, v1);
2614	<	checkCompletedWithWrappedCancellationException(h);
2615	<	}}
2611	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2612	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2613	>	checkIncomplete(h0);
2614	>	checkIncomplete(h1);
2615	>	rs[0].assertNotInvoked();
2616	>	rs[1].assertNotInvoked();
2617	>	f.cancel(mayInterruptIfRunning);
2618	>	checkCompletedWithWrappedCancellationException(h0);
2619	>	checkCompletedWithWrappedCancellationException(h1);
2620	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2621	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2622	>	checkCompletedWithWrappedCancellationException(h2);
2623	>	checkCompletedWithWrappedCancellationException(h3);
2624
2625	<	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);
2625	>	g.complete(v1);
2626
2627	<	// unspecified behavior
2628	<	Integer v;
2627	>	// unspecified behavior - both source completions available
2628	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2629	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2630		try {
2631	<	assertNull(h.join());
2632	<	assertEquals(1, r.invocationCount);
2505	<	assertEquals(inc(v1), r.value);
2631	>	assertNull(h4.join());
2632	>	rs[4].assertValue(v1);
2633		} catch (CompletionException ok) {
2634	<	checkCompletedWithWrappedCancellationException(h);
2635	<	assertEquals(0, r.invocationCount);
2634	>	checkCompletedWithWrappedCancellationException(h4);
2635	>	rs[4].assertNotInvoked();
2636		}
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;
2637		try {
2638	<	assertNull(h.join());
2639	<	assertEquals(1, r.invocationCount);
2533	<	assertEquals(inc(v1), r.value);
2638	>	assertNull(h5.join());
2639	>	rs[5].assertValue(v1);
2640		} catch (CompletionException ok) {
2641	<	checkCompletedWithWrappedCancellationException(h);
2642	<	assertEquals(0, r.invocationCount);
2641	>	checkCompletedWithWrappedCancellationException(h5);
2642	>	rs[5].assertNotInvoked();
2643		}
2644
2645		checkCancelled(f);
2646		checkCompletedNormally(g, v1);
2647	+	checkCompletedWithWrappedCancellationException(h0);
2648	+	checkCompletedWithWrappedCancellationException(h1);
2649	+	checkCompletedWithWrappedCancellationException(h2);
2650	+	checkCompletedWithWrappedCancellationException(h3);
2651	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2652		}}
2653
2654		/**
2655	<	* runAfterEither result completes normally after normal completion
2545	<	* of either source
2655	>	* acceptEither result completes exceptionally if action does
2656		*/
2657	<	public void testRunAfterEither_normalCompletion1() {
2657	>	public void testAcceptEither_actionFailed() {
2658		for (ExecutionMode m : ExecutionMode.values())
2659		for (Integer v1 : new Integer[] { 1, null })
2660		for (Integer v2 : new Integer[] { 2, null })
2661		{
2662		final CompletableFuture<Integer> f = new CompletableFuture<>();
2663		final CompletableFuture<Integer> g = new CompletableFuture<>();
2664	<	final Noop r = new Noop();
2665	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2664	>	final FailingConsumer[] rs = new FailingConsumer[6];
2665	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2666
2667	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2668	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2669		f.complete(v1);
2670	<	checkCompletedNormally(h, null);
2671	<	assertEquals(1, r.invocationCount);
2670	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2671	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2672	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2673	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2674	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2675	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2676	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2677	>
2678		g.complete(v2);
2679
2680	+	// unspecified behavior - both source completions available
2681	+	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2682	+	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2683	+
2684	+	checkCompletedWithWrappedException(h4, rs[4].ex);
2685	+	assertTrue(Objects.equals(v1, rs[4].value) ||
2686	+	Objects.equals(v2, rs[4].value));
2687	+	checkCompletedWithWrappedException(h5, rs[5].ex);
2688	+	assertTrue(Objects.equals(v1, rs[5].value) ||
2689	+	Objects.equals(v2, rs[5].value));
2690	+
2691		checkCompletedNormally(f, v1);
2692		checkCompletedNormally(g, v2);
2564	–	checkCompletedNormally(h, null);
2565	–	assertEquals(1, r.invocationCount);
2693		}}
2694
2695	<	public void testRunAfterEither_normalCompletion2() {
2695	>	/**
2696	>	* runAfterEither result completes normally after normal completion
2697	>	* of either source
2698	>	*/
2699	>	public void testRunAfterEither_normalCompletion() {
2700		for (ExecutionMode m : ExecutionMode.values())
2701		for (Integer v1 : new Integer[] { 1, null })
2702		for (Integer v2 : new Integer[] { 2, null })
2703		{
2704		final CompletableFuture<Integer> f = new CompletableFuture<>();
2705		final CompletableFuture<Integer> g = new CompletableFuture<>();
2706	<	final Noop r = new Noop();
2707	<	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);
2582	<
2583	<	checkCompletedNormally(f, v1);
2584	<	checkCompletedNormally(g, v2);
2585	<	checkCompletedNormally(h, null);
2586	<	assertEquals(1, r.invocationCount);
2587	<	}}
2706	>	final Noop[] rs = new Noop[6];
2707	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2708
2709	<	public void testRunAfterEither_normalCompletion3() {
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 Noop r = new Noop();
2709	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2710	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2711	>	checkIncomplete(h0);
2712	>	checkIncomplete(h1);
2713	>	rs[0].assertNotInvoked();
2714	>	rs[1].assertNotInvoked();
2715	>	f.complete(v1);
2716	>	checkCompletedNormally(h0, null);
2717	>	checkCompletedNormally(h1, null);
2718	>	rs[0].assertInvoked();
2719	>	rs[1].assertInvoked();
2720	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2721	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2722	>	checkCompletedNormally(h2, null);
2723	>	checkCompletedNormally(h3, null);
2724	>	rs[2].assertInvoked();
2725	>	rs[3].assertInvoked();
2726
2598	–	f.complete(v1);
2727		g.complete(v2);
2600	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2728
2729	<	checkCompletedNormally(h, null);
2729	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2730	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2731	>
2732		checkCompletedNormally(f, v1);
2733		checkCompletedNormally(g, v2);
2734	<	assertEquals(1, r.invocationCount);
2734	>	checkCompletedNormally(h0, null);
2735	>	checkCompletedNormally(h1, null);
2736	>	checkCompletedNormally(h2, null);
2737	>	checkCompletedNormally(h3, null);
2738	>	checkCompletedNormally(h4, null);
2739	>	checkCompletedNormally(h5, null);
2740	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2741		}}
2742
2743		/**
2744		* runAfterEither result completes exceptionally after exceptional
2745		* completion of either source
2746		*/
2747	<	public void testRunAfterEither_exceptionalCompletion1() {
2747	>	public void testRunAfterEither_exceptionalCompletion() {
2748		for (ExecutionMode m : ExecutionMode.values())
2749		for (Integer v1 : new Integer[] { 1, null })
2750		{
2751		final CompletableFuture<Integer> f = new CompletableFuture<>();
2752		final CompletableFuture<Integer> g = new CompletableFuture<>();
2618	–	final Noop r = new Noop();
2619	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2753		final CFException ex = new CFException();
2754	+	final Noop[] rs = new Noop[6];
2755	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2756
2757	<	f.completeExceptionally(ex);
2758	<	checkCompletedWithWrappedCFException(h, ex);
2759	<	g.complete(v1);
2757	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2758	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2759	>	checkIncomplete(h0);
2760	>	checkIncomplete(h1);
2761	>	rs[0].assertNotInvoked();
2762	>	rs[1].assertNotInvoked();
2763	>	assertTrue(f.completeExceptionally(ex));
2764	>	checkCompletedWithWrappedException(h0, ex);
2765	>	checkCompletedWithWrappedException(h1, ex);
2766	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2767	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2768	>	checkCompletedWithWrappedException(h2, ex);
2769	>	checkCompletedWithWrappedException(h3, ex);
2770	>
2771	>	assertTrue(g.complete(v1));
2772	>
2773	>	// unspecified behavior - both source completions available
2774	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2775	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2776	>	try {
2777	>	assertNull(h4.join());
2778	>	rs[4].assertInvoked();
2779	>	} catch (CompletionException ok) {
2780	>	checkCompletedWithWrappedException(h4, ex);
2781	>	rs[4].assertNotInvoked();
2782	>	}
2783	>	try {
2784	>	assertNull(h5.join());
2785	>	rs[5].assertInvoked();
2786	>	} catch (CompletionException ok) {
2787	>	checkCompletedWithWrappedException(h5, ex);
2788	>	rs[5].assertNotInvoked();
2789	>	}
2790
2791	<	assertEquals(0, r.invocationCount);
2791	>	checkCompletedExceptionally(f, ex);
2792		checkCompletedNormally(g, v1);
2793	<	checkCompletedWithWrappedCFException(f, ex);
2794	<	checkCompletedWithWrappedCFException(h, ex);
2793	>	checkCompletedWithWrappedException(h0, ex);
2794	>	checkCompletedWithWrappedException(h1, ex);
2795	>	checkCompletedWithWrappedException(h2, ex);
2796	>	checkCompletedWithWrappedException(h3, ex);
2797	>	checkCompletedWithWrappedException(h4, ex);
2798	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2799		}}
2800
2801		public void testRunAfterEither_exceptionalCompletion2() {
2802		for (ExecutionMode m : ExecutionMode.values())
2803	+	for (boolean fFirst : new boolean[] { true, false })
2804		for (Integer v1 : new Integer[] { 1, null })
2805		{
2806		final CompletableFuture<Integer> f = new CompletableFuture<>();
2807		final CompletableFuture<Integer> g = new CompletableFuture<>();
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();
2808		final CFException ex = new CFException();
2809	+	final Noop[] rs = new Noop[6];
2810	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2811
2812	<	g.completeExceptionally(ex);
2813	<	f.complete(v1);
2814	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2812	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2813	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2814	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2815	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2816	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2817	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2818
2819	<	// unspecified behavior
2666	<	Integer v;
2819	>	// unspecified behavior - both source completions available
2820		try {
2821	<	assertNull(h.join());
2822	<	assertEquals(1, r.invocationCount);
2821	>	assertEquals(null, h0.join());
2822	>	rs[0].assertInvoked();
2823		} catch (CompletionException ok) {
2824	<	checkCompletedWithWrappedCFException(h, ex);
2825	<	assertEquals(0, r.invocationCount);
2824	>	checkCompletedWithWrappedException(h0, ex);
2825	>	rs[0].assertNotInvoked();
2826		}
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;
2827		try {
2828	<	assertNull(h.join());
2829	<	assertEquals(1, r.invocationCount);
2828	>	assertEquals(null, h1.join());
2829	>	rs[1].assertInvoked();
2830		} catch (CompletionException ok) {
2831	<	checkCompletedWithWrappedCFException(h, ex);
2832	<	assertEquals(0, r.invocationCount);
2831	>	checkCompletedWithWrappedException(h1, ex);
2832	>	rs[1].assertNotInvoked();
2833	>	}
2834	>	try {
2835	>	assertEquals(null, h2.join());
2836	>	rs[2].assertInvoked();
2837	>	} catch (CompletionException ok) {
2838	>	checkCompletedWithWrappedException(h2, ex);
2839	>	rs[2].assertNotInvoked();
2840	>	}
2841	>	try {
2842	>	assertEquals(null, h3.join());
2843	>	rs[3].assertInvoked();
2844	>	} catch (CompletionException ok) {
2845	>	checkCompletedWithWrappedException(h3, ex);
2846	>	rs[3].assertNotInvoked();
2847		}
2848
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);
2849		checkCompletedNormally(f, v1);
2850	<	checkCompletedNormally(g, v2);
2850	>	checkCompletedExceptionally(g, ex);
2851		}}
2852
2853		/**
2854		* runAfterEither result completes exceptionally if either source cancelled
2855		*/
2856	<	public void testRunAfterEither_sourceCancelled1() {
2747	<	for (ExecutionMode m : ExecutionMode.values())
2748	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2749	<	for (Integer v1 : new Integer[] { 1, null })
2750	<	{
2751	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2752	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2753	<	final Noop r = new Noop();
2754	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2755	<
2756	<	assertTrue(f.cancel(mayInterruptIfRunning));
2757	<	checkCompletedWithWrappedCancellationException(h);
2758	<	g.complete(v1);
2759	<
2760	<	checkCancelled(f);
2761	<	assertEquals(0, r.invocationCount);
2762	<	checkCompletedNormally(g, v1);
2763	<	checkCompletedWithWrappedCancellationException(h);
2764	<	}}
2765	<
2766	<	public void testRunAfterEither_sourceCancelled2() {
2767	<	for (ExecutionMode m : ExecutionMode.values())
2768	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2769	<	for (Integer v1 : new Integer[] { 1, null })
2770	<	{
2771	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2772	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2773	<	final Noop r = new Noop();
2774	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2775	<
2776	<	assertTrue(g.cancel(mayInterruptIfRunning));
2777	<	checkCompletedWithWrappedCancellationException(h);
2778	<	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() {
2856	>	public void testRunAfterEither_sourceCancelled() {
2857		for (ExecutionMode m : ExecutionMode.values())
2858		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2859		for (Integer v1 : new Integer[] { 1, null })
2860		{
2861		final CompletableFuture<Integer> f = new CompletableFuture<>();
2862		final CompletableFuture<Integer> g = new CompletableFuture<>();
2863	<	final Noop r = new Noop();
2864	<
2795	<	assertTrue(g.cancel(mayInterruptIfRunning));
2796	<	f.complete(v1);
2797	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2863	>	final Noop[] rs = new Noop[6];
2864	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2865
2866	<	// unspecified behavior
2867	<	Integer v;
2866	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2867	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2868	>	checkIncomplete(h0);
2869	>	checkIncomplete(h1);
2870	>	rs[0].assertNotInvoked();
2871	>	rs[1].assertNotInvoked();
2872	>	f.cancel(mayInterruptIfRunning);
2873	>	checkCompletedWithWrappedCancellationException(h0);
2874	>	checkCompletedWithWrappedCancellationException(h1);
2875	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2876	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2877	>	checkCompletedWithWrappedCancellationException(h2);
2878	>	checkCompletedWithWrappedCancellationException(h3);
2879	>
2880	>	assertTrue(g.complete(v1));
2881	>
2882	>	// unspecified behavior - both source completions available
2883	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2884	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2885		try {
2886	<	assertNull(h.join());
2887	<	assertEquals(1, r.invocationCount);
2886	>	assertNull(h4.join());
2887	>	rs[4].assertInvoked();
2888		} catch (CompletionException ok) {
2889	<	checkCompletedWithWrappedCancellationException(h);
2890	<	assertEquals(0, r.invocationCount);
2889	>	checkCompletedWithWrappedCancellationException(h4);
2890	>	rs[4].assertNotInvoked();
2891		}
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;
2892		try {
2893	<	assertNull(h.join());
2894	<	assertEquals(1, r.invocationCount);
2893	>	assertNull(h5.join());
2894	>	rs[5].assertInvoked();
2895		} catch (CompletionException ok) {
2896	<	checkCompletedWithWrappedCancellationException(h);
2897	<	assertEquals(0, r.invocationCount);
2896	>	checkCompletedWithWrappedCancellationException(h5);
2897	>	rs[5].assertNotInvoked();
2898		}
2899
2900		checkCancelled(f);
2901		checkCompletedNormally(g, v1);
2902	+	checkCompletedWithWrappedCancellationException(h0);
2903	+	checkCompletedWithWrappedCancellationException(h1);
2904	+	checkCompletedWithWrappedCancellationException(h2);
2905	+	checkCompletedWithWrappedCancellationException(h3);
2906	+	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2907		}}
2908
2909		/**
2910	<	* thenCompose result completes normally after normal completion of source
2910	>	* runAfterEither result completes exceptionally if action does
2911		*/
2912	<	public void testThenCompose_normalCompletion1() {
2912	>	public void testRunAfterEither_actionFailed() {
2913		for (ExecutionMode m : ExecutionMode.values())
2914		for (Integer v1 : new Integer[] { 1, null })
2915	+	for (Integer v2 : new Integer[] { 2, null })
2916		{
2917		final CompletableFuture<Integer> f = new CompletableFuture<>();
2918	<	final CompletableFutureInc r = new CompletableFutureInc();
2919	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2920	<	f.complete(v1);
2921	<	checkCompletedNormally(g, inc(v1));
2918	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2919	>	final FailingRunnable[] rs = new FailingRunnable[6];
2920	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2921	>
2922	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2923	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2924	>	assertTrue(f.complete(v1));
2925	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2926	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2927	>	checkCompletedWithWrappedException(h0, rs[0].ex);
2928	>	checkCompletedWithWrappedException(h1, rs[1].ex);
2929	>	checkCompletedWithWrappedException(h2, rs[2].ex);
2930	>	checkCompletedWithWrappedException(h3, rs[3].ex);
2931	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2932	>	assertTrue(g.complete(v2));
2933	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2934	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2935	>	checkCompletedWithWrappedException(h4, rs[4].ex);
2936	>	checkCompletedWithWrappedException(h5, rs[5].ex);
2937	>
2938		checkCompletedNormally(f, v1);
2939	<	assertEquals(1, r.invocationCount);
2939	>	checkCompletedNormally(g, v2);
2940	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2941		}}
2942
2943	<	public void testThenCompose_normalCompletion2() {
2943	>	/**
2944	>	* thenCompose result completes normally after normal completion of source
2945	>	*/
2946	>	public void testThenCompose_normalCompletion() {
2947		for (ExecutionMode m : ExecutionMode.values())
2948	+	for (boolean createIncomplete : new boolean[] { true, false })
2949		for (Integer v1 : new Integer[] { 1, null })
2950		{
2951		final CompletableFuture<Integer> f = new CompletableFuture<>();
2952	<	final CompletableFutureInc r = new CompletableFutureInc();
2953	<	f.complete(v1);
2954	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2952	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2953	>	if (!createIncomplete) assertTrue(f.complete(v1));
2954	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2955	>	if (createIncomplete) assertTrue(f.complete(v1));
2956	>
2957		checkCompletedNormally(g, inc(v1));
2958		checkCompletedNormally(f, v1);
2959	<	assertEquals(1, r.invocationCount);
2959	>	r.assertValue(v1);
2960		}}
2961
2962		/**
2963		* thenCompose result completes exceptionally after exceptional
2964		* completion of source
2965		*/
2966	<	public void testThenCompose_exceptionalCompletion1() {
2966	>	public void testThenCompose_exceptionalCompletion() {
2967		for (ExecutionMode m : ExecutionMode.values())
2968	+	for (boolean createIncomplete : new boolean[] { true, false })
2969		{
2970		final CFException ex = new CFException();
2971	<	final CompletableFutureInc r = new CompletableFutureInc();
2971	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2972		final CompletableFuture<Integer> f = new CompletableFuture<>();
2973	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2974	<	f.completeExceptionally(ex);
2975	<	checkCompletedWithWrappedCFException(g, ex);
2882	<	checkCompletedWithWrappedCFException(f, ex);
2883	<	}}
2973	>	if (!createIncomplete) f.completeExceptionally(ex);
2974	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2975	>	if (createIncomplete) f.completeExceptionally(ex);
2976
2977	<	public void testThenCompose_exceptionalCompletion2() {
2978	<	for (ExecutionMode m : ExecutionMode.values())
2979	<	{
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);
2977	>	checkCompletedWithWrappedException(g, ex);
2978	>	checkCompletedExceptionally(f, ex);
2979	>	r.assertNotInvoked();
2980		}}
2981
2982		/**
2983		* thenCompose result completes exceptionally if action does
2984		*/
2985	<	public void testThenCompose_actionFailed1() {
2985	>	public void testThenCompose_actionFailed() {
2986		for (ExecutionMode m : ExecutionMode.values())
2987	+	for (boolean createIncomplete : new boolean[] { true, false })
2988		for (Integer v1 : new Integer[] { 1, null })
2989		{
2990		final CompletableFuture<Integer> f = new CompletableFuture<>();
2991		final FailingCompletableFutureFunction r
2992	<	= new FailingCompletableFutureFunction();
2993	<	final CompletableFuture<Integer> g = f.thenCompose(r);
2994	<	f.complete(v1);
2995	<	checkCompletedWithWrappedCFException(g);
2910	<	checkCompletedNormally(f, v1);
2911	<	}}
2992	>	= new FailingCompletableFutureFunction(m);
2993	>	if (!createIncomplete) assertTrue(f.complete(v1));
2994	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2995	>	if (createIncomplete) assertTrue(f.complete(v1));
2996
2997	<	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);
2997	>	checkCompletedWithWrappedException(g, r.ex);
2998		checkCompletedNormally(f, v1);
2999		}}
3000
3001		/**
3002		* thenCompose result completes exceptionally if source cancelled
3003		*/
3004	<	public void testThenCompose_sourceCancelled1() {
3004	>	public void testThenCompose_sourceCancelled() {
3005		for (ExecutionMode m : ExecutionMode.values())
3006	+	for (boolean createIncomplete : new boolean[] { true, false })
3007		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3008		{
3009		final CompletableFuture<Integer> f = new CompletableFuture<>();
3010	<	final CompletableFutureInc r = new CompletableFutureInc();
3011	<	final CompletableFuture<Integer> g = f.thenCompose(r);
3012	<	assertTrue(f.cancel(mayInterruptIfRunning));
3013	<	checkCompletedWithWrappedCancellationException(g);
3014	<	checkCancelled(f);
3015	<	}}
3010	>	final CompletableFutureInc r = new CompletableFutureInc(m);
3011	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3012	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
3013	>	if (createIncomplete) {
3014	>	checkIncomplete(g);
3015	>	assertTrue(f.cancel(mayInterruptIfRunning));
3016	>	}
3017
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);
3018		checkCompletedWithWrappedCancellationException(g);
3019		checkCancelled(f);
3020		}}
3021
2953	–	// asyncs
2954	–
2955	–	/**
2956	–	* thenRunAsync result completes normally after normal completion of source
2957	–	*/
2958	–	public void testThenRunAsync() {
2959	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2960	–	Noop r = new Noop();
2961	–	CompletableFuture<Void> g = f.thenRunAsync(r);
2962	–	f.complete(null);
2963	–	checkCompletedNormally(g, null);
2964	–
2965	–	// reordered version
2966	–	f = new CompletableFuture<>();
2967	–	f.complete(null);
2968	–	r = new Noop();
2969	–	g = f.thenRunAsync(r);
2970	–	checkCompletedNormally(g, null);
2971	–	}
2972	–
2973	–	/**
2974	–	* thenRunAsync result completes exceptionally after exceptional
2975	–	* completion of source
2976	–	*/
2977	–	public void testThenRunAsync2() {
2978	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2979	–	Noop r = new Noop();
2980	–	CompletableFuture<Void> g = f.thenRunAsync(r);
2981	–	f.completeExceptionally(new CFException());
2982	–	try {
2983	–	g.join();
2984	–	shouldThrow();
2985	–	} catch (CompletionException success) {}
2986	–	checkCompletedWithWrappedCFException(g);
2987	–	}
2988	–
2989	–	/**
2990	–	* thenRunAsync result completes exceptionally if action does
2991	–	*/
2992	–	public void testThenRunAsync3() {
2993	–	CompletableFuture<Integer> f = new CompletableFuture<>();
2994	–	FailingNoop r = new FailingNoop();
2995	–	CompletableFuture<Void> g = f.thenRunAsync(r);
2996	–	f.complete(null);
2997	–	checkCompletedWithWrappedCFException(g);
2998	–	}
2999	–
3000	–	/**
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	–
3022		/**
3023	<	* thenRunAsync result completes exceptionally if action does
3023	>	* thenCompose result completes exceptionally if the result of the action does
3024		*/
3025	<	public void testThenRunAsync3E() {
3026	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3027	<	FailingNoop r = new FailingNoop();
3028	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3029	<	f.complete(null);
3030	<	checkCompletedWithWrappedCFException(g);
3031	<	}
3032	<
3033	<	/**
3034	<	* thenRunAsync result completes exceptionally if source cancelled
3035	<	*/
3036	<	public void testThenRunAsync4E() {
3037	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3038	<	Noop r = new Noop();
3039	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3040	<	assertTrue(f.cancel(true));
3041	<	checkCompletedWithWrappedCancellationException(g);
3042	<	}
3043	<
3044	<	/**
3045	<	* thenApplyAsync result completes normally after normal completion of source
3046	<	*/
3047	<	public void testThenApplyAsyncE() {
3048	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3049	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3050	<	f.complete(one);
3051	<	checkCompletedNormally(g, two);
3052	<	}
3053	<
3054	<	/**
3055	<	* thenApplyAsync result completes exceptionally after exceptional
3056	<	* completion of source
3057	<	*/
3058	<	public void testThenApplyAsync2E() {
3059	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3060	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3061	<	f.completeExceptionally(new CFException());
3062	<	checkCompletedWithWrappedCFException(g);
3063	<	}
3064	<
3065	<	/**
3066	<	* thenApplyAsync result completes exceptionally if action does
3067	<	*/
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	<	}
3025	>	public void testThenCompose_actionReturnsFailingFuture() {
3026	>	for (ExecutionMode m : ExecutionMode.values())
3027	>	for (int order = 0; order < 6; order++)
3028	>	for (Integer v1 : new Integer[] { 1, null })
3029	>	{
3030	>	final CFException ex = new CFException();
3031	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
3032	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
3033	>	final CompletableFuture<Integer> h;
3034	>	// Test all permutations of orders
3035	>	switch (order) {
3036	>	case 0:
3037	>	assertTrue(f.complete(v1));
3038	>	assertTrue(g.completeExceptionally(ex));
3039	>	h = m.thenCompose(f, (x -> g));
3040	>	break;
3041	>	case 1:
3042	>	assertTrue(f.complete(v1));
3043	>	h = m.thenCompose(f, (x -> g));
3044	>	assertTrue(g.completeExceptionally(ex));
3045	>	break;
3046	>	case 2:
3047	>	assertTrue(g.completeExceptionally(ex));
3048	>	assertTrue(f.complete(v1));
3049	>	h = m.thenCompose(f, (x -> g));
3050	>	break;
3051	>	case 3:
3052	>	assertTrue(g.completeExceptionally(ex));
3053	>	h = m.thenCompose(f, (x -> g));
3054	>	assertTrue(f.complete(v1));
3055	>	break;
3056	>	case 4:
3057	>	h = m.thenCompose(f, (x -> g));
3058	>	assertTrue(f.complete(v1));
3059	>	assertTrue(g.completeExceptionally(ex));
3060	>	break;
3061	>	case 5:
3062	>	h = m.thenCompose(f, (x -> g));
3063	>	assertTrue(f.complete(v1));
3064	>	assertTrue(g.completeExceptionally(ex));
3065	>	break;
3066	>	default: throw new AssertionError();
3067	>	}
3068
3069	<	/**
3070	<	* thenAcceptAsync result completes exceptionally if source cancelled
3071	<	*/
3072	<	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	<	}
3069	>	checkCompletedExceptionally(g, ex);
3070	>	checkCompletedWithWrappedException(h, ex);
3071	>	checkCompletedNormally(f, v1);
3072	>	}}
3073
3074		// other static methods
3075
#	Line 3260 | Line 3087 | public class CompletableFutureTest exten
3087		* when all components complete normally
3088		*/
3089		public void testAllOf_normal() throws Exception {
3090	<	for (int k = 1; k < 20; ++k) {
3091	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3092	<	for (int i = 0; i < k; ++i)
3090	>	for (int k = 1; k < 10; k++) {
3091	>	CompletableFuture<Integer>[] fs
3092	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3093	>	for (int i = 0; i < k; i++)
3094	>	fs[i] = new CompletableFuture<>();
3095	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3096	>	for (int i = 0; i < k; i++) {
3097	>	checkIncomplete(f);
3098	>	checkIncomplete(CompletableFuture.allOf(fs));
3099	>	fs[i].complete(one);
3100	>	}
3101	>	checkCompletedNormally(f, null);
3102	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3103	>	}
3104	>	}
3105	>
3106	>	public void testAllOf_normal_backwards() throws Exception {
3107	>	for (int k = 1; k < 10; k++) {
3108	>	CompletableFuture<Integer>[] fs
3109	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3110	>	for (int i = 0; i < k; i++)
3111		fs[i] = new CompletableFuture<>();
3112		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3113	<	for (int i = 0; i < k; ++i) {
3113	>	for (int i = k - 1; i >= 0; i--) {
3114		checkIncomplete(f);
3115		checkIncomplete(CompletableFuture.allOf(fs));
3116		fs[i].complete(one);
#	Line 3275 | Line 3120 | public class CompletableFutureTest exten
3120		}
3121		}
3122
3123	+	public void testAllOf_exceptional() throws Exception {
3124	+	for (int k = 1; k < 10; k++) {
3125	+	CompletableFuture<Integer>[] fs
3126	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3127	+	CFException ex = new CFException();
3128	+	for (int i = 0; i < k; i++)
3129	+	fs[i] = new CompletableFuture<>();
3130	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3131	+	for (int i = 0; i < k; i++) {
3132	+	checkIncomplete(f);
3133	+	checkIncomplete(CompletableFuture.allOf(fs));
3134	+	if (i != k / 2) {
3135	+	fs[i].complete(i);
3136	+	checkCompletedNormally(fs[i], i);
3137	+	} else {
3138	+	fs[i].completeExceptionally(ex);
3139	+	checkCompletedExceptionally(fs[i], ex);
3140	+	}
3141	+	}
3142	+	checkCompletedWithWrappedException(f, ex);
3143	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3144	+	}
3145	+	}
3146	+
3147		/**
3148		* anyOf(no component futures) returns an incomplete future
3149		*/
3150		public void testAnyOf_empty() throws Exception {
3151	+	for (Integer v1 : new Integer[] { 1, null })
3152	+	{
3153		CompletableFuture<Object> f = CompletableFuture.anyOf();
3154		checkIncomplete(f);
3155	<	}
3155	>
3156	>	f.complete(v1);
3157	>	checkCompletedNormally(f, v1);
3158	>	}}
3159
3160		/**
3161		* anyOf returns a future completed normally with a value when
3162		* a component future does
3163		*/
3164		public void testAnyOf_normal() throws Exception {
3165	<	for (int k = 0; k < 10; ++k) {
3165	>	for (int k = 0; k < 10; k++) {
3166		CompletableFuture[] fs = new CompletableFuture[k];
3167	<	for (int i = 0; i < k; ++i)
3167	>	for (int i = 0; i < k; i++)
3168		fs[i] = new CompletableFuture<>();
3169		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3170		checkIncomplete(f);
3171	<	for (int i = 0; i < k; ++i) {
3172	<	fs[i].complete(one);
3173	<	checkCompletedNormally(f, one);
3174	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3171	>	for (int i = 0; i < k; i++) {
3172	>	fs[i].complete(i);
3173	>	checkCompletedNormally(f, 0);
3174	>	int x = (int) CompletableFuture.anyOf(fs).join();
3175	>	assertTrue(0 <= x && x <= i);
3176	>	}
3177	>	}
3178	>	}
3179	>	public void testAnyOf_normal_backwards() throws Exception {
3180	>	for (int k = 0; k < 10; k++) {
3181	>	CompletableFuture[] fs = new CompletableFuture[k];
3182	>	for (int i = 0; i < k; i++)
3183	>	fs[i] = new CompletableFuture<>();
3184	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3185	>	checkIncomplete(f);
3186	>	for (int i = k - 1; i >= 0; i--) {
3187	>	fs[i].complete(i);
3188	>	checkCompletedNormally(f, k - 1);
3189	>	int x = (int) CompletableFuture.anyOf(fs).join();
3190	>	assertTrue(i <= x && x <= k - 1);
3191		}
3192		}
3193		}
#	Line 3306 | Line 3196 | public class CompletableFutureTest exten
3196		* anyOf result completes exceptionally when any component does.
3197		*/
3198		public void testAnyOf_exceptional() throws Exception {
3199	<	for (int k = 0; k < 10; ++k) {
3199	>	for (int k = 0; k < 10; k++) {
3200	>	CompletableFuture[] fs = new CompletableFuture[k];
3201	>	CFException[] exs = new CFException[k];
3202	>	for (int i = 0; i < k; i++) {
3203	>	fs[i] = new CompletableFuture<>();
3204	>	exs[i] = new CFException();
3205	>	}
3206	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3207	>	checkIncomplete(f);
3208	>	for (int i = 0; i < k; i++) {
3209	>	fs[i].completeExceptionally(exs[i]);
3210	>	checkCompletedWithWrappedException(f, exs[0]);
3211	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3212	>	}
3213	>	}
3214	>	}
3215	>
3216	>	public void testAnyOf_exceptional_backwards() throws Exception {
3217	>	for (int k = 0; k < 10; k++) {
3218		CompletableFuture[] fs = new CompletableFuture[k];
3219	<	for (int i = 0; i < k; ++i)
3219	>	CFException[] exs = new CFException[k];
3220	>	for (int i = 0; i < k; i++) {
3221		fs[i] = new CompletableFuture<>();
3222	+	exs[i] = new CFException();
3223	+	}
3224		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3225		checkIncomplete(f);
3226	<	for (int i = 0; i < k; ++i) {
3227	<	fs[i].completeExceptionally(new CFException());
3228	<	checkCompletedWithWrappedCFException(f);
3226	>	for (int i = k - 1; i >= 0; i--) {
3227	>	fs[i].completeExceptionally(exs[i]);
3228	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3229		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3230		}
3231		}
#	Line 3327 | Line 3238 | public class CompletableFutureTest exten
3238		CompletableFuture<Integer> f = new CompletableFuture<>();
3239		CompletableFuture<Integer> g = new CompletableFuture<>();
3240		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3330	–	CompletableFuture<?> h;
3241		ThreadExecutor exec = new ThreadExecutor();
3242
3243		Runnable[] throwingActions = {
3244		() -> CompletableFuture.supplyAsync(null),
3245		() -> CompletableFuture.supplyAsync(null, exec),
3246	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3246	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3247
3248		() -> CompletableFuture.runAsync(null),
3249		() -> CompletableFuture.runAsync(null, exec),
#	Line 3406 | Line 3316 | public class CompletableFutureTest exten
3316
3317		() -> f.thenCompose(null),
3318		() -> f.thenComposeAsync(null),
3319	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3319	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3320		() -> f.thenComposeAsync(null, exec),
3321
3322		() -> f.exceptionally(null),
#	Line 3424 | Line 3334 | public class CompletableFutureTest exten
3334		() -> CompletableFuture.anyOf(null, f),
3335
3336		() -> f.obtrudeException(null),
3337	+
3338	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3339	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3340	+	() -> CompletableFuture.delayedExecutor(1L, null),
3341	+
3342	+	() -> f.orTimeout(1L, null),
3343	+	() -> f.completeOnTimeout(42, 1L, null),
3344	+
3345	+	() -> CompletableFuture.failedFuture(null),
3346	+	() -> CompletableFuture.failedStage(null),
3347		};
3348
3349		assertThrows(NullPointerException.class, throwingActions);
#	Line 3431 | Line 3351 | public class CompletableFutureTest exten
3351		}
3352
3353		/**
3354	+	* Test submissions to an executor that rejects all tasks.
3355	+	*/
3356	+	public void testRejectingExecutor() {
3357	+	for (Integer v : new Integer[] { 1, null }) {
3358	+
3359	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3360	+
3361	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3362	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3363	+
3364	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3365	+
3366	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3367	+	srcs.add(complete);
3368	+	srcs.add(incomplete);
3369	+
3370	+	for (CompletableFuture<Integer> src : srcs) {
3371	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3372	+	fs.add(src.thenRunAsync(() -> {}, e));
3373	+	fs.add(src.thenAcceptAsync((z) -> {}, e));
3374	+	fs.add(src.thenApplyAsync((z) -> z, e));
3375	+
3376	+	fs.add(src.thenCombineAsync(src, (x, y) -> x, e));
3377	+	fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e));
3378	+	fs.add(src.runAfterBothAsync(src, () -> {}, e));
3379	+
3380	+	fs.add(src.applyToEitherAsync(src, (z) -> z, e));
3381	+	fs.add(src.acceptEitherAsync(src, (z) -> {}, e));
3382	+	fs.add(src.runAfterEitherAsync(src, () -> {}, e));
3383	+
3384	+	fs.add(src.thenComposeAsync((z) -> null, e));
3385	+	fs.add(src.whenCompleteAsync((z, t) -> {}, e));
3386	+	fs.add(src.handleAsync((z, t) -> null, e));
3387	+
3388	+	for (CompletableFuture<?> future : fs) {
3389	+	if (src.isDone())
3390	+	checkCompletedWithWrappedException(future, e.ex);
3391	+	else
3392	+	checkIncomplete(future);
3393	+	}
3394	+	futures.addAll(fs);
3395	+	}
3396	+
3397	+	{
3398	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3399	+
3400	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3401	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3402	+
3403	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3404	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3405	+
3406	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3407	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3408	+
3409	+	for (CompletableFuture<?> future : fs)
3410	+	checkIncomplete(future);
3411	+	futures.addAll(fs);
3412	+	}
3413	+
3414	+	{
3415	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3416	+
3417	+	fs.add(complete.applyToEitherAsync(incomplete, (z) -> z, e));
3418	+	fs.add(incomplete.applyToEitherAsync(complete, (z) -> z, e));
3419	+
3420	+	fs.add(complete.acceptEitherAsync(incomplete, (z) -> {}, e));
3421	+	fs.add(incomplete.acceptEitherAsync(complete, (z) -> {}, e));
3422	+
3423	+	fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e));
3424	+	fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e));
3425	+
3426	+	for (CompletableFuture<?> future : fs)
3427	+	checkCompletedWithWrappedException(future, e.ex);
3428	+	futures.addAll(fs);
3429	+	}
3430	+
3431	+	incomplete.complete(v);
3432	+
3433	+	for (CompletableFuture<?> future : futures)
3434	+	checkCompletedWithWrappedException(future, e.ex);
3435	+
3436	+	assertEquals(futures.size(), e.count.get());
3437	+
3438	+	}
3439	+	}
3440	+
3441	+	/**
3442	+	* Test submissions to an executor that rejects all tasks, but
3443	+	* should never be invoked because the dependent future is
3444	+	* explicitly completed.
3445	+	*/
3446	+	public void testRejectingExecutorNeverInvoked() {
3447	+	final CountingRejectingExecutor e = new CountingRejectingExecutor();
3448	+
3449	+	for (Integer v : new Integer[] { 1, null }) {
3450	+
3451	+	final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v);
3452	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3453	+
3454	+	List<CompletableFuture<?>> futures = new ArrayList<>();
3455	+
3456	+	List<CompletableFuture<Integer>> srcs = new ArrayList<>();
3457	+	srcs.add(complete);
3458	+	srcs.add(incomplete);
3459	+
3460	+	List<CompletableFuture<?>> fs = new ArrayList<>();
3461	+	fs.add(incomplete.thenRunAsync(() -> {}, e));
3462	+	fs.add(incomplete.thenAcceptAsync((z) -> {}, e));
3463	+	fs.add(incomplete.thenApplyAsync((z) -> z, e));
3464	+
3465	+	fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e));
3466	+	fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3467	+	fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e));
3468	+
3469	+	fs.add(incomplete.applyToEitherAsync(incomplete, (z) -> z, e));
3470	+	fs.add(incomplete.acceptEitherAsync(incomplete, (z) -> {}, e));
3471	+	fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e));
3472	+
3473	+	fs.add(incomplete.thenComposeAsync((z) -> null, e));
3474	+	fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e));
3475	+	fs.add(incomplete.handleAsync((z, t) -> null, e));
3476	+
3477	+	fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e));
3478	+	fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e));
3479	+
3480	+	fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e));
3481	+	fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e));
3482	+
3483	+	fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e));
3484	+	fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e));
3485	+
3486	+	for (CompletableFuture<?> future : fs)
3487	+	checkIncomplete(future);
3488	+
3489	+	for (CompletableFuture<?> future : fs)
3490	+	future.complete(null);
3491	+
3492	+	incomplete.complete(v);
3493	+
3494	+	for (CompletableFuture<?> future : fs)
3495	+	checkCompletedNormally(future, null);
3496	+
3497	+	assertEquals(0, e.count.get());
3498	+
3499	+	}
3500	+	}
3501	+
3502	+	/**
3503		* toCompletableFuture returns this CompletableFuture.
3504		*/
3505		public void testToCompletableFuture() {
#	Line 3438 | Line 3507 | public class CompletableFutureTest exten
3507		assertSame(f, f.toCompletableFuture());
3508		}
3509
3510	+	// jdk9
3511	+
3512		/**
3513	<	* whenComplete action executes on normal completion, propagating
3443	<	* source result.
3513	>	* newIncompleteFuture returns an incomplete CompletableFuture
3514		*/
3515	<	public void testWhenComplete_normalCompletion1() {
3446	<	for (ExecutionMode m : ExecutionMode.values())
3447	<	for (boolean createIncomplete : new boolean[] { true, false })
3515	>	public void testNewIncompleteFuture() {
3516		for (Integer v1 : new Integer[] { 1, null })
3517		{
3518	<	final AtomicInteger a = new AtomicInteger(0);
3519	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3520	<	if (!createIncomplete) f.complete(v1);
3521	<	final CompletableFuture<Integer> g = m.whenComplete
3522	<	(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);
3518	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3519	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3520	>	checkIncomplete(f);
3521	>	checkIncomplete(g);
3522	>	f.complete(v1);
3523		checkCompletedNormally(f, v1);
3524	<	assertEquals(1, a.get());
3524	>	checkIncomplete(g);
3525	>	g.complete(v1);
3526	>	checkCompletedNormally(g, v1);
3527	>	assertSame(g.getClass(), CompletableFuture.class);
3528		}}
3529
3530		/**
3531	<	* whenComplete action executes on exceptional completion, propagating
3469	<	* source result.
3531	>	* completedStage returns a completed CompletionStage
3532		*/
3533	<	public void testWhenComplete_exceptionalCompletion() {
3534	<	for (ExecutionMode m : ExecutionMode.values())
3535	<	for (boolean createIncomplete : new boolean[] { true, false })
3533	>	public void testCompletedStage() {
3534	>	AtomicInteger x = new AtomicInteger(0);
3535	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3536	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3537	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3538	>	assertEquals(x.get(), 1);
3539	>	assertNull(r.get());
3540	>	}
3541	>
3542	>	/**
3543	>	* defaultExecutor by default returns the commonPool if
3544	>	* it supports more than one thread.
3545	>	*/
3546	>	public void testDefaultExecutor() {
3547	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3548	>	Executor e = f.defaultExecutor();
3549	>	Executor c = ForkJoinPool.commonPool();
3550	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3551	>	assertSame(e, c);
3552	>	else
3553	>	assertNotSame(e, c);
3554	>	}
3555	>
3556	>	/**
3557	>	* failedFuture returns a CompletableFuture completed
3558	>	* exceptionally with the given Exception
3559	>	*/
3560	>	public void testFailedFuture() {
3561	>	CFException ex = new CFException();
3562	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3563	>	checkCompletedExceptionally(f, ex);
3564	>	}
3565	>
3566	>	/**
3567	>	* failedFuture(null) throws NPE
3568	>	*/
3569	>	public void testFailedFuture_null() {
3570	>	try {
3571	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3572	>	shouldThrow();
3573	>	} catch (NullPointerException success) {}
3574	>	}
3575	>
3576	>	/**
3577	>	* copy returns a CompletableFuture that is completed normally,
3578	>	* with the same value, when source is.
3579	>	*/
3580	>	public void testCopy() {
3581	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3582	>	CompletableFuture<Integer> g = f.copy();
3583	>	checkIncomplete(f);
3584	>	checkIncomplete(g);
3585	>	f.complete(1);
3586	>	checkCompletedNormally(f, 1);
3587	>	checkCompletedNormally(g, 1);
3588	>	}
3589	>
3590	>	/**
3591	>	* copy returns a CompletableFuture that is completed exceptionally
3592	>	* when source is.
3593	>	*/
3594	>	public void testCopy2() {
3595	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3596	>	CompletableFuture<Integer> g = f.copy();
3597	>	checkIncomplete(f);
3598	>	checkIncomplete(g);
3599	>	CFException ex = new CFException();
3600	>	f.completeExceptionally(ex);
3601	>	checkCompletedExceptionally(f, ex);
3602	>	checkCompletedWithWrappedException(g, ex);
3603	>	}
3604	>
3605	>	/**
3606	>	* minimalCompletionStage returns a CompletableFuture that is
3607	>	* completed normally, with the same value, when source is.
3608	>	*/
3609	>	public void testMinimalCompletionStage() {
3610	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3611	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3612	>	AtomicInteger x = new AtomicInteger(0);
3613	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3614	>	checkIncomplete(f);
3615	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3616	>	f.complete(1);
3617	>	checkCompletedNormally(f, 1);
3618	>	assertEquals(x.get(), 1);
3619	>	assertNull(r.get());
3620	>	}
3621	>
3622	>	/**
3623	>	* minimalCompletionStage returns a CompletableFuture that is
3624	>	* completed exceptionally when source is.
3625	>	*/
3626	>	public void testMinimalCompletionStage2() {
3627	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3628	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3629	>	AtomicInteger x = new AtomicInteger(0);
3630	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3631	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3632	>	checkIncomplete(f);
3633	>	CFException ex = new CFException();
3634	>	f.completeExceptionally(ex);
3635	>	checkCompletedExceptionally(f, ex);
3636	>	assertEquals(x.get(), 0);
3637	>	assertEquals(r.get().getCause(), ex);
3638	>	}
3639	>
3640	>	/**
3641	>	* failedStage returns a CompletionStage completed
3642	>	* exceptionally with the given Exception
3643	>	*/
3644	>	public void testFailedStage() {
3645	>	CFException ex = new CFException();
3646	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3647	>	AtomicInteger x = new AtomicInteger(0);
3648	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3649	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3650	>	assertEquals(x.get(), 0);
3651	>	assertEquals(r.get(), ex);
3652	>	}
3653	>
3654	>	/**
3655	>	* completeAsync completes with value of given supplier
3656	>	*/
3657	>	public void testCompleteAsync() {
3658		for (Integer v1 : new Integer[] { 1, null })
3659		{
3660	<	final AtomicInteger a = new AtomicInteger(0);
3661	<	final CFException ex = new CFException();
3662	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3663	<	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());
3660	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3661	>	f.completeAsync(() -> v1);
3662	>	f.join();
3663	>	checkCompletedNormally(f, v1);
3664		}}
3665
3666		/**
3667	<	* whenComplete action executes on cancelled source, propagating
3495	<	* CancellationException.
3667	>	* completeAsync completes exceptionally if given supplier throws
3668		*/
3669	<	public void testWhenComplete_sourceCancelled() {
3670	<	for (ExecutionMode m : ExecutionMode.values())
3671	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3672	<	for (boolean createIncomplete : new boolean[] { true, false })
3669	>	public void testCompleteAsync2() {
3670	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3671	>	CFException ex = new CFException();
3672	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3673	>	try {
3674	>	f.join();
3675	>	shouldThrow();
3676	>	} catch (CompletionException success) {}
3677	>	checkCompletedWithWrappedException(f, ex);
3678	>	}
3679	>
3680	>	/**
3681	>	* completeAsync with given executor completes with value of given supplier
3682	>	*/
3683	>	public void testCompleteAsync3() {
3684	>	for (Integer v1 : new Integer[] { 1, null })
3685		{
3686	<	final AtomicInteger a = new AtomicInteger(0);
3687	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3688	<	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3689	<	final CompletableFuture<Integer> g = m.whenComplete
3690	<	(f,
3691	<	(Integer x, Throwable t) -> {
3692	<	threadAssertNull(x);
3509	<	threadAssertTrue(t instanceof CancellationException);
3510	<	a.getAndIncrement();
3511	<	});
3512	<	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
3686	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3687	>	ThreadExecutor executor = new ThreadExecutor();
3688	>	f.completeAsync(() -> v1, executor);
3689	>	assertSame(v1, f.join());
3690	>	checkCompletedNormally(f, v1);
3691	>	assertEquals(1, executor.count.get());
3692	>	}}
3693
3694	<	//try { g.join(); } catch (Throwable t) { throw new Error(t); }
3695	<	checkCompletedWithWrappedCancellationException(g);
3696	<	checkCancelled(f);
3697	<	assertEquals(1, a.get());
3694	>	/**
3695	>	* completeAsync with given executor completes exceptionally if
3696	>	* given supplier throws
3697	>	*/
3698	>	public void testCompleteAsync4() {
3699	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3700	>	CFException ex = new CFException();
3701	>	ThreadExecutor executor = new ThreadExecutor();
3702	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3703	>	try {
3704	>	f.join();
3705	>	shouldThrow();
3706	>	} catch (CompletionException success) {}
3707	>	checkCompletedWithWrappedException(f, ex);
3708	>	assertEquals(1, executor.count.get());
3709	>	}
3710	>
3711	>	/**
3712	>	* orTimeout completes with TimeoutException if not complete
3713	>	*/
3714	>	public void testOrTimeout_timesOut() {
3715	>	long timeoutMillis = timeoutMillis();
3716	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3717	>	long startTime = System.nanoTime();
3718	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3719	>	checkCompletedWithTimeoutException(f);
3720	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3721	>	}
3722	>
3723	>	/**
3724	>	* orTimeout completes normally if completed before timeout
3725	>	*/
3726	>	public void testOrTimeout_completed() {
3727	>	for (Integer v1 : new Integer[] { 1, null })
3728	>	{
3729	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3730	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3731	>	long startTime = System.nanoTime();
3732	>	f.complete(v1);
3733	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3734	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3735	>	g.complete(v1);
3736	>	checkCompletedNormally(f, v1);
3737	>	checkCompletedNormally(g, v1);
3738	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3739		}}
3740
3741		/**
3742	<	* If a whenComplete action throws an exception when triggered by
3522	<	* a normal completion, it completes exceptionally
3742	>	* completeOnTimeout completes with given value if not complete
3743		*/
3744	<	public void testWhenComplete_actionFailed() {
3745	<	for (boolean createIncomplete : new boolean[] { true, false })
3746	<	for (ExecutionMode m : ExecutionMode.values())
3744	>	public void testCompleteOnTimeout_timesOut() {
3745	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3746	>	() -> testCompleteOnTimeout_timesOut(null));
3747	>	}
3748	>
3749	>	/**
3750	>	* completeOnTimeout completes with given value if not complete
3751	>	*/
3752	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3753	>	long timeoutMillis = timeoutMillis();
3754	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3755	>	long startTime = System.nanoTime();
3756	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3757	>	assertSame(v, f.join());
3758	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3759	>	f.complete(99);         // should have no effect
3760	>	checkCompletedNormally(f, v);
3761	>	}
3762	>
3763	>	/**
3764	>	* completeOnTimeout has no effect if completed within timeout
3765	>	*/
3766	>	public void testCompleteOnTimeout_completed() {
3767		for (Integer v1 : new Integer[] { 1, null })
3768		{
3769	<	final AtomicInteger a = new AtomicInteger(0);
3770	<	final CFException ex = new CFException();
3771	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3772	<	if (!createIncomplete) f.complete(v1);
3773	<	final CompletableFuture<Integer> g = m.whenComplete
3774	<	(f,
3775	<	(Integer x, Throwable t) -> {
3536	<	threadAssertSame(x, v1);
3537	<	threadAssertNull(t);
3538	<	a.getAndIncrement();
3539	<	throw ex;
3540	<	});
3541	<	if (createIncomplete) f.complete(v1);
3769	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3770	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3771	>	long startTime = System.nanoTime();
3772	>	f.complete(v1);
3773	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3774	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3775	>	g.complete(v1);
3776		checkCompletedNormally(f, v1);
3777	<	checkCompletedWithWrappedCFException(g, ex);
3778	<	assertEquals(1, a.get());
3777	>	checkCompletedNormally(g, v1);
3778	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3779		}}
3780
3781		/**
3782	<	* 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.
3782	>	* delayedExecutor returns an executor that delays submission
3783		*/
3784	<	public void testWhenComplete_actionFailedSourceFailed() {
3785	<	for (boolean createIncomplete : new boolean[] { true, false })
3784	>	public void testDelayedExecutor() {
3785	>	testInParallel(() -> testDelayedExecutor(null, null),
3786	>	() -> testDelayedExecutor(null, 1),
3787	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3788	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3789	>	}
3790	>
3791	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3792	>	long timeoutMillis = timeoutMillis();
3793	>	// Use an "unreasonably long" long timeout to catch lingering threads
3794	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3795	>	final Executor delayer, longDelayer;
3796	>	if (executor == null) {
3797	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3798	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3799	>	} else {
3800	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3801	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3802	>	}
3803	>	long startTime = System.nanoTime();
3804	>	CompletableFuture<Integer> f =
3805	>	CompletableFuture.supplyAsync(() -> v, delayer);
3806	>	CompletableFuture<Integer> g =
3807	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3808	>
3809	>	assertNull(g.getNow(null));
3810	>
3811	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3812	>	long millisElapsed = millisElapsedSince(startTime);
3813	>	assertTrue(millisElapsed >= timeoutMillis);
3814	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3815	>
3816	>	checkCompletedNormally(f, v);
3817	>
3818	>	checkIncomplete(g);
3819	>	assertTrue(g.cancel(true));
3820	>	}
3821	>
3822	>	//--- tests of implementation details; not part of official tck ---
3823	>
3824	>	Object resultOf(CompletableFuture<?> f) {
3825	>	SecurityManager sm = System.getSecurityManager();
3826	>	if (sm != null) {
3827	>	try {
3828	>	System.setSecurityManager(null);
3829	>	} catch (SecurityException giveUp) {
3830	>	return "Reflection not available";
3831	>	}
3832	>	}
3833	>
3834	>	try {
3835	>	java.lang.reflect.Field resultField
3836	>	= CompletableFuture.class.getDeclaredField("result");
3837	>	resultField.setAccessible(true);
3838	>	return resultField.get(f);
3839	>	} catch (Throwable t) {
3840	>	throw new AssertionError(t);
3841	>	} finally {
3842	>	if (sm != null) System.setSecurityManager(sm);
3843	>	}
3844	>	}
3845	>
3846	>	public void testExceptionPropagationReusesResultObject() {
3847	>	if (!testImplementationDetails) return;
3848		for (ExecutionMode m : ExecutionMode.values())
3555	–	for (Integer v1 : new Integer[] { 1, null })
3849		{
3850	<	final AtomicInteger a = new AtomicInteger(0);
3851	<	final CFException ex1 = new CFException();
3852	<	final CFException ex2 = new CFException();
3560	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3850	>	final CFException ex = new CFException();
3851	>	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3852	>	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3853
3854	<	if (!createIncomplete) f.completeExceptionally(ex1);
3855	<	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);
3854	>	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3855	>	= new ArrayList<>();
3856
3857	<	checkCompletedWithWrappedCFException(f, ex1);
3858	<	checkCompletedWithWrappedCFException(g, ex1);
3859	<	assertEquals(1, a.get());
3857	>	funs.add((y) -> m.thenRun(y, new Noop(m)));
3858	>	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3859	>	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3860	>
3861	>	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3862	>	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3863	>	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3864	>
3865	>	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3866	>	funs.add((y) -> m.runAfterBoth(v42, y, new Noop(m)));
3867	>	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3868	>	funs.add((y) -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3869	>	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3870	>	funs.add((y) -> m.thenCombine(v42, y, new SubtractFunction(m)));
3871	>
3872	>	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3873	>
3874	>	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3875	>
3876	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y}));
3877	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3878	>	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {v42, y}));
3879	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y}));
3880	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3881	>	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {incomplete, y}));
3882	>
3883	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3884	>	fun : funs) {
3885	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3886	>	f.completeExceptionally(ex);
3887	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3888	>	checkCompletedWithWrappedException(src, ex);
3889	>	CompletableFuture<?> dep = fun.apply(src);
3890	>	checkCompletedWithWrappedException(dep, ex);
3891	>	assertSame(resultOf(src), resultOf(dep));
3892	>	}
3893	>
3894	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3895	>	fun : funs) {
3896	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3897	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3898	>	CompletableFuture<?> dep = fun.apply(src);
3899	>	f.completeExceptionally(ex);
3900	>	checkCompletedWithWrappedException(src, ex);
3901	>	checkCompletedWithWrappedException(dep, ex);
3902	>	assertSame(resultOf(src), resultOf(dep));
3903	>	}
3904	>
3905	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3906	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3907	>	fun : funs) {
3908	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3909	>	f.cancel(mayInterruptIfRunning);
3910	>	checkCancelled(f);
3911	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3912	>	checkCompletedWithWrappedCancellationException(src);
3913	>	CompletableFuture<?> dep = fun.apply(src);
3914	>	checkCompletedWithWrappedCancellationException(dep);
3915	>	assertSame(resultOf(src), resultOf(dep));
3916	>	}
3917	>
3918	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3919	>	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3920	>	fun : funs) {
3921	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3922	>	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3923	>	CompletableFuture<?> dep = fun.apply(src);
3924	>	f.cancel(mayInterruptIfRunning);
3925	>	checkCancelled(f);
3926	>	checkCompletedWithWrappedCancellationException(src);
3927	>	checkCompletedWithWrappedCancellationException(dep);
3928	>	assertSame(resultOf(src), resultOf(dep));
3929	>	}
3930		}}
3931
3932	+	/**
3933	+	* Minimal completion stages throw UOE for all non-CompletionStage methods
3934	+	*/
3935	+	public void testMinimalCompletionStage_minimality() {
3936	+	if (!testImplementationDetails) return;
3937	+	Function<Method, String> toSignature =
3938	+	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3939	+	Predicate<Method> isNotStatic =
3940	+	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3941	+	List<Method> minimalMethods =
3942	+	Stream.of(Object.class, CompletionStage.class)
3943	+	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3944	+	.filter(isNotStatic)
3945	+	.collect(Collectors.toList());
3946	+	// Methods from CompletableFuture permitted NOT to throw UOE
3947	+	String[] signatureWhitelist = {
3948	+	"newIncompleteFuture[]",
3949	+	"defaultExecutor[]",
3950	+	"minimalCompletionStage[]",
3951	+	"copy[]",
3952	+	};
3953	+	Set<String> permittedMethodSignatures =
3954	+	Stream.concat(minimalMethods.stream().map(toSignature),
3955	+	Stream.of(signatureWhitelist))
3956	+	.collect(Collectors.toSet());
3957	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3958	+	.filter(isNotStatic)
3959	+	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3960	+	.collect(Collectors.toList());
3961	+
3962	+	CompletionStage<Integer> minimalStage =
3963	+	new CompletableFuture<Integer>().minimalCompletionStage();
3964	+
3965	+	List<Method> bugs = new ArrayList<>();
3966	+	for (Method method : allMethods) {
3967	+	Class<?>[] parameterTypes = method.getParameterTypes();
3968	+	Object[] args = new Object[parameterTypes.length];
3969	+	// Manufacture boxed primitives for primitive params
3970	+	for (int i = 0; i < args.length; i++) {
3971	+	Class<?> type = parameterTypes[i];
3972	+	if (parameterTypes[i] == boolean.class)
3973	+	args[i] = false;
3974	+	else if (parameterTypes[i] == int.class)
3975	+	args[i] = 0;
3976	+	else if (parameterTypes[i] == long.class)
3977	+	args[i] = 0L;
3978	+	}
3979	+	try {
3980	+	method.invoke(minimalStage, args);
3981	+	bugs.add(method);
3982	+	}
3983	+	catch (java.lang.reflect.InvocationTargetException expected) {
3984	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3985	+	bugs.add(method);
3986	+	// expected.getCause().printStackTrace();
3987	+	}
3988	+	}
3989	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3990	+	}
3991	+	if (!bugs.isEmpty())
3992	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3993	+	}
3994	+
3995	+	static class Monad {
3996	+	static class ZeroException extends RuntimeException {
3997	+	public ZeroException() { super("monadic zero"); }
3998	+	}
3999	+	// "return", "unit"
4000	+	static <T> CompletableFuture<T> unit(T value) {
4001	+	return completedFuture(value);
4002	+	}
4003	+	// monadic zero ?
4004	+	static <T> CompletableFuture<T> zero() {
4005	+	return failedFuture(new ZeroException());
4006	+	}
4007	+	// >=>
4008	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
4009	+	(Function<T, CompletableFuture<U>> f,
4010	+	Function<U, CompletableFuture<V>> g) {
4011	+	return (x) -> f.apply(x).thenCompose(g);
4012	+	}
4013	+
4014	+	static void assertZero(CompletableFuture<?> f) {
4015	+	try {
4016	+	f.getNow(null);
4017	+	throw new AssertionFailedError("should throw");
4018	+	} catch (CompletionException success) {
4019	+	assertTrue(success.getCause() instanceof ZeroException);
4020	+	}
4021	+	}
4022	+
4023	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
4024	+	CompletableFuture<T> g) {
4025	+	T fval = null, gval = null;
4026	+	Throwable fex = null, gex = null;
4027	+
4028	+	try { fval = f.get(); }
4029	+	catch (ExecutionException ex) { fex = ex.getCause(); }
4030	+	catch (Throwable ex) { fex = ex; }
4031	+
4032	+	try { gval = g.get(); }
4033	+	catch (ExecutionException ex) { gex = ex.getCause(); }
4034	+	catch (Throwable ex) { gex = ex; }
4035	+
4036	+	if (fex != null || gex != null)
4037	+	assertSame(fex.getClass(), gex.getClass());
4038	+	else
4039	+	assertEquals(fval, gval);
4040	+	}
4041	+
4042	+	static class PlusFuture<T> extends CompletableFuture<T> {
4043	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
4044	+	}
4045	+
4046	+	/** Implements "monadic plus". */
4047	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
4048	+	CompletableFuture<? extends T> g) {
4049	+	PlusFuture<T> plus = new PlusFuture<T>();
4050	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
4051	+	try {
4052	+	if (ex == null) {
4053	+	if (plus.complete(result))
4054	+	if (plus.firstFailure.get() != null)
4055	+	plus.firstFailure.set(null);
4056	+	}
4057	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
4058	+	if (plus.isDone())
4059	+	plus.firstFailure.set(null);
4060	+	}
4061	+	else {
4062	+	// first failure has precedence
4063	+	Throwable first = plus.firstFailure.getAndSet(null);
4064	+
4065	+	// may fail with "Self-suppression not permitted"
4066	+	try { first.addSuppressed(ex); }
4067	+	catch (Exception ignored) {}
4068	+
4069	+	plus.completeExceptionally(first);
4070	+	}
4071	+	} catch (Throwable unexpected) {
4072	+	plus.completeExceptionally(unexpected);
4073	+	}
4074	+	};
4075	+	f.whenComplete(action);
4076	+	g.whenComplete(action);
4077	+	return plus;
4078	+	}
4079	+	}
4080	+
4081	+	/**
4082	+	* CompletableFuture is an additive monad - sort of.
4083	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
4084	+	*/
4085	+	public void testAdditiveMonad() throws Throwable {
4086	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
4087	+	CompletableFuture<Long> zero = Monad.zero();
4088	+
4089	+	// Some mutually non-commutative functions
4090	+	Function<Long, CompletableFuture<Long>> triple
4091	+	= (x) -> Monad.unit(3 * x);
4092	+	Function<Long, CompletableFuture<Long>> inc
4093	+	= (x) -> Monad.unit(x + 1);
4094	+
4095	+	// unit is a right identity: m >>= unit === m
4096	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
4097	+	inc.apply(5L));
4098	+	// unit is a left identity: (unit x) >>= f === f x
4099	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
4100	+	inc.apply(5L));
4101	+
4102	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
4103	+	Monad.assertFutureEquals(
4104	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
4105	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
4106	+
4107	+	// The case for CompletableFuture as an additive monad is weaker...
4108	+
4109	+	// zero is a monadic zero
4110	+	Monad.assertZero(zero);
4111	+
4112	+	// left zero: zero >>= f === zero
4113	+	Monad.assertZero(zero.thenCompose(inc));
4114	+	// right zero: f >>= (\x -> zero) === zero
4115	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
4116	+
4117	+	// f plus zero === f
4118	+	Monad.assertFutureEquals(Monad.unit(5L),
4119	+	Monad.plus(Monad.unit(5L), zero));
4120	+	// zero plus f === f
4121	+	Monad.assertFutureEquals(Monad.unit(5L),
4122	+	Monad.plus(zero, Monad.unit(5L)));
4123	+	// zero plus zero === zero
4124	+	Monad.assertZero(Monad.plus(zero, zero));
4125	+	{
4126	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
4127	+	Monad.unit(8L));
4128	+	// non-determinism
4129	+	assertTrue(f.get() == 5L || f.get() == 8L);
4130	+	}
4131	+
4132	+	CompletableFuture<Long> godot = new CompletableFuture<>();
4133	+	// f plus godot === f (doesn't wait for godot)
4134	+	Monad.assertFutureEquals(Monad.unit(5L),
4135	+	Monad.plus(Monad.unit(5L), godot));
4136	+	// godot plus f === f (doesn't wait for godot)
4137	+	Monad.assertFutureEquals(Monad.unit(5L),
4138	+	Monad.plus(godot, Monad.unit(5L)));
4139	+	}
4140	+
4141	+	/**
4142	+	* A single CompletableFuture with many dependents.
4143	+	* A demo of scalability - runtime is O(n).
4144	+	*/
4145	+	public void testManyDependents() throws Throwable {
4146	+	final int n = 1_000;
4147	+	final CompletableFuture<Void> head = new CompletableFuture<>();
4148	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
4149	+	final AtomicInteger count = new AtomicInteger(0);
4150	+	for (int i = 0; i < n; i++) {
4151	+	head.thenRun(() -> count.getAndIncrement());
4152	+	head.thenAccept((x) -> count.getAndIncrement());
4153	+	head.thenApply((x) -> count.getAndIncrement());
4154	+
4155	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
4156	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
4157	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
4158	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
4159	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
4160	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
4161	+
4162	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
4163	+	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
4164	+	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
4165	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
4166	+	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
4167	+	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
4168	+	}
4169	+	head.complete(null);
4170	+	assertEquals(5 * 3 * n, count.get());
4171	+	}
4172	+
4173	+	/** ant -Dvmoptions=-Xmx8m -Djsr166.tckTestClass=CompletableFutureTest tck */
4174	+	public void testCoCompletionGarbage() throws Throwable {
4175	+	// final int n = 3_000_000;
4176	+	final int n = 100;
4177	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
4178	+	CompletableFuture<Integer> f;
4179	+	for (int i = 0; i < n; i++) {
4180	+	f = new CompletableFuture<>();
4181	+	f.runAfterEither(incomplete, () -> {});
4182	+	f.complete(null);
4183	+
4184	+	f = new CompletableFuture<>();
4185	+	f.acceptEither(incomplete, (x) -> {});
4186	+	f.complete(null);
4187	+
4188	+	f = new CompletableFuture<>();
4189	+	f.applyToEither(incomplete, (x) -> x);
4190	+	f.complete(null);
4191	+
4192	+	f = new CompletableFuture<>();
4193	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete });
4194	+	f.complete(null);
4195	+	}
4196	+
4197	+	for (int i = 0; i < n; i++) {
4198	+	f = new CompletableFuture<>();
4199	+	incomplete.runAfterEither(f, () -> {});
4200	+	f.complete(null);
4201	+
4202	+	f = new CompletableFuture<>();
4203	+	incomplete.acceptEither(f, (x) -> {});
4204	+	f.complete(null);
4205	+
4206	+	f = new CompletableFuture<>();
4207	+	incomplete.applyToEither(f, (x) -> x);
4208	+	f.complete(null);
4209	+
4210	+	f = new CompletableFuture<>();
4211	+	CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f });
4212	+	f.complete(null);
4213	+	}
4214	+	}
4215	+
4216	+	//     static <U> U join(CompletionStage<U> stage) {
4217	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4218	+	//         stage.whenComplete((v, ex) -> {
4219	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4220	+	//         });
4221	+	//         return f.join();
4222	+	//     }
4223	+
4224	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
4225	+	//         CompletableFuture<U> f = new CompletableFuture<>();
4226	+	//         stage.whenComplete((v, ex) -> {
4227	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
4228	+	//         });
4229	+	//         return f.isDone();
4230	+	//     }
4231	+
4232	+	//     static <U> U join2(CompletionStage<U> stage) {
4233	+	//         return stage.toCompletableFuture().copy().join();
4234	+	//     }
4235	+
4236	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4237	+	//         return stage.toCompletableFuture().copy().isDone();
4238	+	//     }
4239	+
4240		}

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