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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.41 by jsr166, Mon Jun 2 01:46:11 2014 UTC vs.
Revision 1.149 by jsr166, Sun Jun 26 16:01:17 2016 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33		import java.util.concurrent.TimeoutException;
34	+	import java.util.concurrent.TimeUnit;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
23	<	import static java.util.concurrent.TimeUnit.SECONDS;
24	<	import java.util.*;
25	<	import java.util.function.Supplier;
26	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
28	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.AssertionFailedError;
45	+	import junit.framework.Test;
46	+	import junit.framework.TestSuite;
47
48		public class CompletableFutureTest extends JSR166TestCase {
49
50		public static void main(String[] args) {
51	<	junit.textui.TestRunner.run(suite());
51	>	main(suite(), args);
52		}
53		public static Test suite() {
54		return new TestSuite(CompletableFutureTest.class);
#	Line 42 | Line 59 | public class CompletableFutureTest exten
59		void checkIncomplete(CompletableFuture<?> f) {
60		assertFalse(f.isDone());
61		assertFalse(f.isCancelled());
62	<	assertTrue(f.toString().contains("[Not completed]"));
62	>	assertTrue(f.toString().contains("Not completed"));
63		try {
64		assertNull(f.getNow(null));
65		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 55 | Line 72 | public class CompletableFutureTest exten
72		}
73
74		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
75	<	try {
76	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
60	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 73 | Line 89 | public class CompletableFutureTest exten
89		assertTrue(f.toString().contains("[Completed normally]"));
90		}
91
92	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
93	<	try {
94	<	f.get(LONG_DELAY_MS, MILLISECONDS);
95	<	shouldThrow();
96	<	} catch (ExecutionException success) {
97	<	assertTrue(success.getCause() instanceof CFException);
98	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
99	<	try {
100	<	f.join();
101	<	shouldThrow();
102	<	} catch (CompletionException success) {
103	<	assertTrue(success.getCause() instanceof CFException);
104	<	}
105	<	try {
106	<	f.getNow(null);
107	<	shouldThrow();
108	<	} catch (CompletionException success) {
93	<	assertTrue(success.getCause() instanceof CFException);
92	>	/**
93	>	* Returns the "raw" internal exceptional completion of f,
94	>	* without any additional wrapping with CompletionException.
95	>	*/
96	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
97	>	// handle (and whenComplete) can distinguish between "direct"
98	>	// and "wrapped" exceptional completion
99	>	return f.handle((U u, Throwable t) -> t).join();
100	>	}
101	>
102	>	void checkCompletedExceptionally(CompletableFuture<?> f,
103	>	boolean wrapped,
104	>	Consumer<Throwable> checker) {
105	>	Throwable cause = exceptionalCompletion(f);
106	>	if (wrapped) {
107	>	assertTrue(cause instanceof CompletionException);
108	>	cause = cause.getCause();
109		}
110	<	try {
96	<	f.get();
97	<	shouldThrow();
98	<	} catch (ExecutionException success) {
99	<	assertTrue(success.getCause() instanceof CFException);
100	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
101	<	assertTrue(f.isDone());
102	<	assertFalse(f.isCancelled());
103	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
104	<	}
110	>	checker.accept(cause);
111
112	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
107	<	CFException ex) {
112	>	long startTime = System.nanoTime();
113		try {
114		f.get(LONG_DELAY_MS, MILLISECONDS);
115		shouldThrow();
116		} catch (ExecutionException success) {
117	<	assertSame(ex, success.getCause());
117	>	assertSame(cause, success.getCause());
118		} catch (Throwable fail) { threadUnexpectedException(fail); }
119	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
120	+
121		try {
122		f.join();
123		shouldThrow();
124		} catch (CompletionException success) {
125	<	assertSame(ex, success.getCause());
126	<	}
125	>	assertSame(cause, success.getCause());
126	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
127	>
128		try {
129		f.getNow(null);
130		shouldThrow();
131		} catch (CompletionException success) {
132	<	assertSame(ex, success.getCause());
133	<	}
132	>	assertSame(cause, success.getCause());
133	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
134	>
135		try {
136		f.get();
137		shouldThrow();
138		} catch (ExecutionException success) {
139	<	assertSame(ex, success.getCause());
139	>	assertSame(cause, success.getCause());
140		} catch (Throwable fail) { threadUnexpectedException(fail); }
141	<	assertTrue(f.isDone());
141	>
142		assertFalse(f.isCancelled());
143	+	assertTrue(f.isDone());
144	+	assertTrue(f.isCompletedExceptionally());
145		assertTrue(f.toString().contains("[Completed exceptionally]"));
146		}
147
148	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
149	+	checkCompletedExceptionally(f, true,
150	+	(t) -> assertTrue(t instanceof CFException));
151	+	}
152	+
153	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
154	+	checkCompletedExceptionally(f, true,
155	+	(t) -> assertTrue(t instanceof CancellationException));
156	+	}
157	+
158	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
159	+	checkCompletedExceptionally(f, false,
160	+	(t) -> assertTrue(t instanceof TimeoutException));
161	+	}
162	+
163	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
164	+	Throwable ex) {
165	+	checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex));
166	+	}
167	+
168	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
169	+	checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex));
170	+	}
171	+
172		void checkCancelled(CompletableFuture<?> f) {
173	+	long startTime = System.nanoTime();
174		try {
175		f.get(LONG_DELAY_MS, MILLISECONDS);
176		shouldThrow();
177		} catch (CancellationException success) {
178		} catch (Throwable fail) { threadUnexpectedException(fail); }
179	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
180	+
181		try {
182		f.join();
183		shouldThrow();
#	Line 153 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} catch (Throwable fail) { threadUnexpectedException(fail); }
156	–	assertTrue(f.isDone());
157	–	assertTrue(f.isCompletedExceptionally());
158	–	assertTrue(f.isCancelled());
159	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
160	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	try {
164	<	f.get(LONG_DELAY_MS, MILLISECONDS);
165	<	shouldThrow();
166	<	} catch (ExecutionException success) {
167	<	assertTrue(success.getCause() instanceof CancellationException);
168	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
169	<	try {
170	<	f.join();
171	<	shouldThrow();
172	<	} catch (CompletionException success) {
173	<	assertTrue(success.getCause() instanceof CancellationException);
174	<	}
175	<	try {
176	<	f.getNow(null);
177	<	shouldThrow();
178	<	} catch (CompletionException success) {
179	<	assertTrue(success.getCause() instanceof CancellationException);
180	<	}
181	<	try {
182	<	f.get();
183	<	shouldThrow();
184	<	} catch (ExecutionException success) {
185	<	assertTrue(success.getCause() instanceof CancellationException);
186	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
188	–	assertFalse(f.isCancelled());
198		assertTrue(f.isCompletedExceptionally());
199	+	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 204 | Line 214 | public class CompletableFutureTest exten
214		* isCancelled, join, get, and getNow
215		*/
216		public void testComplete() {
217	+	for (Integer v1 : new Integer[] { 1, null })
218	+	{
219		CompletableFuture<Integer> f = new CompletableFuture<>();
220		checkIncomplete(f);
221	<	f.complete(one);
222	<	checkCompletedNormally(f, one);
223	<	}
221	>	assertTrue(f.complete(v1));
222	>	assertFalse(f.complete(v1));
223	>	checkCompletedNormally(f, v1);
224	>	}}
225
226		/**
227		* completeExceptionally completes exceptionally, as indicated by
#	Line 216 | Line 229 | public class CompletableFutureTest exten
229		*/
230		public void testCompleteExceptionally() {
231		CompletableFuture<Integer> f = new CompletableFuture<>();
232	+	CFException ex = new CFException();
233		checkIncomplete(f);
234	<	f.completeExceptionally(new CFException());
235	<	checkCompletedWithWrappedCFException(f);
234	>	f.completeExceptionally(ex);
235	>	checkCompletedExceptionally(f, ex);
236		}
237
238		/**
#	Line 226 | Line 240 | public class CompletableFutureTest exten
240		* methods isDone, isCancelled, join, get, and getNow
241		*/
242		public void testCancel() {
243	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
244	+	{
245		CompletableFuture<Integer> f = new CompletableFuture<>();
246		checkIncomplete(f);
247	<	assertTrue(f.cancel(true));
247	>	assertTrue(f.cancel(mayInterruptIfRunning));
248	>	assertTrue(f.cancel(mayInterruptIfRunning));
249	>	assertTrue(f.cancel(!mayInterruptIfRunning));
250		checkCancelled(f);
251	<	}
251	>	}}
252
253		/**
254		* obtrudeValue forces completion with given value
#	Line 238 | Line 256 | public class CompletableFutureTest exten
256		public void testObtrudeValue() {
257		CompletableFuture<Integer> f = new CompletableFuture<>();
258		checkIncomplete(f);
259	<	f.complete(one);
259	>	assertTrue(f.complete(one));
260		checkCompletedNormally(f, one);
261		f.obtrudeValue(three);
262		checkCompletedNormally(f, three);
#	Line 247 | Line 265 | public class CompletableFutureTest exten
265		f = new CompletableFuture<>();
266		f.obtrudeValue(three);
267		checkCompletedNormally(f, three);
268	+	f.obtrudeValue(null);
269	+	checkCompletedNormally(f, null);
270		f = new CompletableFuture<>();
271		f.completeExceptionally(new CFException());
272		f.obtrudeValue(four);
#	Line 257 | Line 277 | public class CompletableFutureTest exten
277		* obtrudeException forces completion with given exception
278		*/
279		public void testObtrudeException() {
280	<	CompletableFuture<Integer> f = new CompletableFuture<>();
281	<	checkIncomplete(f);
282	<	f.complete(one);
283	<	checkCompletedNormally(f, one);
284	<	f.obtrudeException(new CFException());
265	<	checkCompletedWithWrappedCFException(f);
280	>	for (Integer v1 : new Integer[] { 1, null })
281	>	{
282	>	CFException ex;
283	>	CompletableFuture<Integer> f;
284	>
285		f = new CompletableFuture<>();
286	<	f.obtrudeException(new CFException());
287	<	checkCompletedWithWrappedCFException(f);
286	>	assertTrue(f.complete(v1));
287	>	for (int i = 0; i < 2; i++) {
288	>	f.obtrudeException(ex = new CFException());
289	>	checkCompletedExceptionally(f, ex);
290	>	}
291	>
292	>	f = new CompletableFuture<>();
293	>	for (int i = 0; i < 2; i++) {
294	>	f.obtrudeException(ex = new CFException());
295	>	checkCompletedExceptionally(f, ex);
296	>	}
297	>
298		f = new CompletableFuture<>();
299	+	f.completeExceptionally(ex = new CFException());
300	+	f.obtrudeValue(v1);
301	+	checkCompletedNormally(f, v1);
302	+	f.obtrudeException(ex = new CFException());
303	+	checkCompletedExceptionally(f, ex);
304		f.completeExceptionally(new CFException());
305	<	f.obtrudeValue(four);
306	<	checkCompletedNormally(f, four);
307	<	f.obtrudeException(new CFException());
308	<	checkCompletedWithWrappedCFException(f);
275	<	}
305	>	checkCompletedExceptionally(f, ex);
306	>	assertFalse(f.complete(v1));
307	>	checkCompletedExceptionally(f, ex);
308	>	}}
309
310		/**
311		* getNumberOfDependents returns number of dependent tasks
312		*/
313		public void testGetNumberOfDependents() {
314	+	for (ExecutionMode m : ExecutionMode.values())
315	+	for (Integer v1 : new Integer[] { 1, null })
316	+	{
317		CompletableFuture<Integer> f = new CompletableFuture<>();
318	<	assertEquals(f.getNumberOfDependents(), 0);
319	<	CompletableFuture g = f.thenRun(new Noop());
320	<	assertEquals(f.getNumberOfDependents(), 1);
321	<	assertEquals(g.getNumberOfDependents(), 0);
322	<	CompletableFuture h = f.thenRun(new Noop());
323	<	assertEquals(f.getNumberOfDependents(), 2);
324	<	f.complete(1);
318	>	assertEquals(0, f.getNumberOfDependents());
319	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
320	>	assertEquals(1, f.getNumberOfDependents());
321	>	assertEquals(0, g.getNumberOfDependents());
322	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
323	>	assertEquals(2, f.getNumberOfDependents());
324	>	assertEquals(0, h.getNumberOfDependents());
325	>	assertTrue(f.complete(v1));
326		checkCompletedNormally(g, null);
327	<	assertEquals(f.getNumberOfDependents(), 0);
328	<	assertEquals(g.getNumberOfDependents(), 0);
329	<	}
327	>	checkCompletedNormally(h, null);
328	>	assertEquals(0, f.getNumberOfDependents());
329	>	assertEquals(0, g.getNumberOfDependents());
330	>	assertEquals(0, h.getNumberOfDependents());
331	>	}}
332
333		/**
334		* toString indicates current completion state
#	Line 300 | Line 339 | public class CompletableFutureTest exten
339		f = new CompletableFuture<String>();
340		assertTrue(f.toString().contains("[Not completed]"));
341
342	<	f.complete("foo");
342	>	assertTrue(f.complete("foo"));
343		assertTrue(f.toString().contains("[Completed normally]"));
344
345		f = new CompletableFuture<String>();
346	<	f.completeExceptionally(new IndexOutOfBoundsException());
346	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
347		assertTrue(f.toString().contains("[Completed exceptionally]"));
348	+
349	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
350	+	f = new CompletableFuture<String>();
351	+	assertTrue(f.cancel(mayInterruptIfRunning));
352	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
353	+	}
354		}
355
356		/**
#	Line 316 | Line 361 | public class CompletableFutureTest exten
361		checkCompletedNormally(f, "test");
362		}
363
364	<	// Choose non-commutative actions for better coverage
364	>	abstract class CheckedAction {
365	>	int invocationCount = 0;
366	>	final ExecutionMode m;
367	>	CheckedAction(ExecutionMode m) { this.m = m; }
368	>	void invoked() {
369	>	m.checkExecutionMode();
370	>	assertEquals(0, invocationCount++);
371	>	}
372	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
373	>	void assertInvoked() { assertEquals(1, invocationCount); }
374	>	}
375
376	<	// A non-commutative function that handles and produces null values as well.
377	<	static Integer subtract(Integer x, Integer y) {
378	<	return (x == null && y == null) ? null :
379	<	((x == null) ? 42 : x.intValue())
380	<	- ((y == null) ? 99 : y.intValue());
376	>	abstract class CheckedIntegerAction extends CheckedAction {
377	>	Integer value;
378	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
379	>	void assertValue(Integer expected) {
380	>	assertInvoked();
381	>	assertEquals(expected, value);
382	>	}
383	>	}
384	>
385	>	class IntegerSupplier extends CheckedAction
386	>	implements Supplier<Integer>
387	>	{
388	>	final Integer value;
389	>	IntegerSupplier(ExecutionMode m, Integer value) {
390	>	super(m);
391	>	this.value = value;
392	>	}
393	>	public Integer get() {
394	>	invoked();
395	>	return value;
396	>	}
397		}
398
399		// A function that handles and produces null values as well.
#	Line 330 | Line 401 | public class CompletableFutureTest exten
401		return (x == null) ? null : x + 1;
402		}
403
404	<	static final Supplier<Integer> supplyOne =
405	<	() -> Integer.valueOf(1);
406	<	static final Function<Integer, Integer> inc =
407	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
337	<	static final BiFunction<Integer, Integer, Integer> subtract =
338	<	(Integer x, Integer y) -> subtract(x, y);
339	<	static final class IncAction implements Consumer<Integer> {
340	<	int invocationCount = 0;
341	<	Integer value;
342	<	public boolean ran() { return invocationCount == 1; }
404	>	class NoopConsumer extends CheckedIntegerAction
405	>	implements Consumer<Integer>
406	>	{
407	>	NoopConsumer(ExecutionMode m) { super(m); }
408		public void accept(Integer x) {
409	<	invocationCount++;
410	<	value = inc(x);
409	>	invoked();
410	>	value = x;
411		}
412		}
413	<	static final class IncFunction implements Function<Integer,Integer> {
414	<	int invocationCount = 0;
415	<	Integer value;
416	<	public boolean ran() { return invocationCount == 1; }
413	>
414	>	class IncFunction extends CheckedIntegerAction
415	>	implements Function<Integer,Integer>
416	>	{
417	>	IncFunction(ExecutionMode m) { super(m); }
418		public Integer apply(Integer x) {
419	<	invocationCount++;
419	>	invoked();
420		return value = inc(x);
421		}
422		}
423	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
424	<	int invocationCount = 0;
425	<	Integer value;
426	<	// Check this action was invoked exactly once when result is computed.
427	<	public boolean ran() { return invocationCount == 1; }
423	>
424	>	// Choose non-commutative actions for better coverage
425	>	// A non-commutative function that handles and produces null values as well.
426	>	static Integer subtract(Integer x, Integer y) {
427	>	return (x == null && y == null) ? null :
428	>	((x == null) ? 42 : x.intValue())
429	>	- ((y == null) ? 99 : y.intValue());
430	>	}
431	>
432	>	class SubtractAction extends CheckedIntegerAction
433	>	implements BiConsumer<Integer, Integer>
434	>	{
435	>	SubtractAction(ExecutionMode m) { super(m); }
436		public void accept(Integer x, Integer y) {
437	<	invocationCount++;
437	>	invoked();
438		value = subtract(x, y);
439		}
440		}
441	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
442	<	int invocationCount = 0;
443	<	Integer value;
444	<	// Check this action was invoked exactly once when result is computed.
445	<	public boolean ran() { return invocationCount == 1; }
441	>
442	>	class SubtractFunction extends CheckedIntegerAction
443	>	implements BiFunction<Integer, Integer, Integer>
444	>	{
445	>	SubtractFunction(ExecutionMode m) { super(m); }
446		public Integer apply(Integer x, Integer y) {
447	<	invocationCount++;
447	>	invoked();
448		return value = subtract(x, y);
449		}
450		}
451	<	static final class Noop implements Runnable {
452	<	int invocationCount = 0;
453	<	boolean ran;
451	>
452	>	class Noop extends CheckedAction implements Runnable {
453	>	Noop(ExecutionMode m) { super(m); }
454		public void run() {
455	<	invocationCount++;
382	<	ran = true;
455	>	invoked();
456		}
457		}
458
459	<	static final class FailingSupplier implements Supplier<Integer> {
460	<	boolean ran;
461	<	public Integer get() { ran = true; throw new CFException(); }
459	>	class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	FailingSupplier(ExecutionMode m) { super(m); }
463	>	public Integer get() {
464	>	invoked();
465	>	throw new CFException();
466	>	}
467		}
468	<	static final class FailingConsumer implements Consumer<Integer> {
469	<	boolean ran;
470	<	public void accept(Integer x) { ran = true; throw new CFException(); }
468	>
469	>	class FailingConsumer extends CheckedIntegerAction
470	>	implements Consumer<Integer>
471	>	{
472	>	FailingConsumer(ExecutionMode m) { super(m); }
473	>	public void accept(Integer x) {
474	>	invoked();
475	>	value = x;
476	>	throw new CFException();
477	>	}
478		}
479	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
480	<	boolean ran;
481	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
479	>
480	>	class FailingBiConsumer extends CheckedIntegerAction
481	>	implements BiConsumer<Integer, Integer>
482	>	{
483	>	FailingBiConsumer(ExecutionMode m) { super(m); }
484	>	public void accept(Integer x, Integer y) {
485	>	invoked();
486	>	value = subtract(x, y);
487	>	throw new CFException();
488	>	}
489		}
490	<	static final class FailingFunction implements Function<Integer, Integer> {
491	<	boolean ran;
492	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
490	>
491	>	class FailingFunction extends CheckedIntegerAction
492	>	implements Function<Integer, Integer>
493	>	{
494	>	FailingFunction(ExecutionMode m) { super(m); }
495	>	public Integer apply(Integer x) {
496	>	invoked();
497	>	value = x;
498	>	throw new CFException();
499	>	}
500		}
501	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
502	<	boolean ran;
503	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
501	>
502	>	class FailingBiFunction extends CheckedIntegerAction
503	>	implements BiFunction<Integer, Integer, Integer>
504	>	{
505	>	FailingBiFunction(ExecutionMode m) { super(m); }
506	>	public Integer apply(Integer x, Integer y) {
507	>	invoked();
508	>	value = subtract(x, y);
509	>	throw new CFException();
510	>	}
511		}
512	<	static final class FailingNoop implements Runnable {
513	<	boolean ran;
514	<	public void run() { ran = true; throw new CFException(); }
512	>
513	>	class FailingRunnable extends CheckedAction implements Runnable {
514	>	FailingRunnable(ExecutionMode m) { super(m); }
515	>	public void run() {
516	>	invoked();
517	>	throw new CFException();
518	>	}
519		}
520
521	<	static final class CompletableFutureInc
522	<	implements Function<Integer, CompletableFuture<Integer>> {
523	<	boolean ran;
521	>	class CompletableFutureInc extends CheckedIntegerAction
522	>	implements Function<Integer, CompletableFuture<Integer>>
523	>	{
524	>	CompletableFutureInc(ExecutionMode m) { super(m); }
525		public CompletableFuture<Integer> apply(Integer x) {
526	<	ran = true;
526	>	invoked();
527	>	value = x;
528		CompletableFuture<Integer> f = new CompletableFuture<>();
529	<	f.complete(Integer.valueOf(x.intValue() + 1));
529	>	assertTrue(f.complete(inc(x)));
530		return f;
531		}
532		}
533
534	<	static final class FailingCompletableFutureFunction
535	<	implements Function<Integer, CompletableFuture<Integer>> {
536	<	boolean ran;
534	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
535	>	implements Function<Integer, CompletableFuture<Integer>>
536	>	{
537	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
538		public CompletableFuture<Integer> apply(Integer x) {
539	<	ran = true; throw new CFException();
539	>	invoked();
540	>	value = x;
541	>	throw new CFException();
542		}
543		}
544
545		// Used for explicit executor tests
546		static final class ThreadExecutor implements Executor {
547	<	AtomicInteger count = new AtomicInteger(0);
547	>	final AtomicInteger count = new AtomicInteger(0);
548	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
549	>	static boolean startedCurrentThread() {
550	>	return Thread.currentThread().getThreadGroup() == tg;
551	>	}
552
553		public void execute(Runnable r) {
554		count.getAndIncrement();
555	<	new Thread(r).start();
555	>	new Thread(tg, r).start();
556		}
557		}
558
559	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
560	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
442	<	}
443	<
444	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
445	<	boolean ran;
446	<	public Integer apply(Integer x, Throwable t) {
447	<	ran = true;
448	<	return (t == null) ? two : three;
449	<	}
450	<	}
559	>	static final boolean defaultExecutorIsCommonPool
560	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
561
562		/**
563		* Permits the testing of parallel code for the 3 different
564	<	* execution modes without repeating all the testing code.
564	>	* execution modes without copy/pasting all the test methods.
565		*/
566		enum ExecutionMode {
567	<	DEFAULT {
567	>	SYNC {
568	>	public void checkExecutionMode() {
569	>	assertFalse(ThreadExecutor.startedCurrentThread());
570	>	assertNull(ForkJoinTask.getPool());
571	>	}
572	>	public CompletableFuture<Void> runAsync(Runnable a) {
573	>	throw new UnsupportedOperationException();
574	>	}
575	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
576	>	throw new UnsupportedOperationException();
577	>	}
578	>	public <T> CompletableFuture<Void> thenRun
579	>	(CompletableFuture<T> f, Runnable a) {
580	>	return f.thenRun(a);
581	>	}
582	>	public <T> CompletableFuture<Void> thenAccept
583	>	(CompletableFuture<T> f, Consumer<? super T> a) {
584	>	return f.thenAccept(a);
585	>	}
586	>	public <T,U> CompletableFuture<U> thenApply
587	>	(CompletableFuture<T> f, Function<? super T,U> a) {
588	>	return f.thenApply(a);
589	>	}
590	>	public <T,U> CompletableFuture<U> thenCompose
591	>	(CompletableFuture<T> f,
592	>	Function<? super T,? extends CompletionStage<U>> a) {
593	>	return f.thenCompose(a);
594	>	}
595	>	public <T,U> CompletableFuture<U> handle
596	>	(CompletableFuture<T> f,
597	>	BiFunction<? super T,Throwable,? extends U> a) {
598	>	return f.handle(a);
599	>	}
600	>	public <T> CompletableFuture<T> whenComplete
601	>	(CompletableFuture<T> f,
602	>	BiConsumer<? super T,? super Throwable> a) {
603	>	return f.whenComplete(a);
604	>	}
605		public <T,U> CompletableFuture<Void> runAfterBoth
606		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
607		return f.runAfterBoth(g, a);
#	Line 471 | Line 618 | public class CompletableFutureTest exten
618		BiFunction<? super T,? super U,? extends V> a) {
619		return f.thenCombine(g, a);
620		}
621	<	public <T,U> CompletableFuture<U> applyToEither
621	>	public <T> CompletableFuture<Void> runAfterEither
622		(CompletableFuture<T> f,
623	<	CompletionStage<? extends T> g,
624	<	Function<? super T,U> a) {
625	<	return f.applyToEither(g, a);
623	>	CompletionStage<?> g,
624	>	java.lang.Runnable a) {
625	>	return f.runAfterEither(g, a);
626		}
627		public <T> CompletableFuture<Void> acceptEither
628		(CompletableFuture<T> f,
#	Line 483 | Line 630 | public class CompletableFutureTest exten
630		Consumer<? super T> a) {
631		return f.acceptEither(g, a);
632		}
633	<	public <T> CompletableFuture<Void> runAfterEither
633	>	public <T,U> CompletableFuture<U> applyToEither
634		(CompletableFuture<T> f,
635	<	CompletionStage<?> g,
636	<	java.lang.Runnable a) {
637	<	return f.runAfterEither(g, a);
635	>	CompletionStage<? extends T> g,
636	>	Function<? super T,U> a) {
637	>	return f.applyToEither(g, a);
638	>	}
639	>	},
640	>
641	>	ASYNC {
642	>	public void checkExecutionMode() {
643	>	assertEquals(defaultExecutorIsCommonPool,
644	>	(ForkJoinPool.commonPool() == ForkJoinTask.getPool()));
645	>	}
646	>	public CompletableFuture<Void> runAsync(Runnable a) {
647	>	return CompletableFuture.runAsync(a);
648	>	}
649	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
650	>	return CompletableFuture.supplyAsync(a);
651	>	}
652	>	public <T> CompletableFuture<Void> thenRun
653	>	(CompletableFuture<T> f, Runnable a) {
654	>	return f.thenRunAsync(a);
655	>	}
656	>	public <T> CompletableFuture<Void> thenAccept
657	>	(CompletableFuture<T> f, Consumer<? super T> a) {
658	>	return f.thenAcceptAsync(a);
659	>	}
660	>	public <T,U> CompletableFuture<U> thenApply
661	>	(CompletableFuture<T> f, Function<? super T,U> a) {
662	>	return f.thenApplyAsync(a);
663		}
664		public <T,U> CompletableFuture<U> thenCompose
665		(CompletableFuture<T> f,
666		Function<? super T,? extends CompletionStage<U>> a) {
667	<	return f.thenCompose(a);
667	>	return f.thenComposeAsync(a);
668	>	}
669	>	public <T,U> CompletableFuture<U> handle
670	>	(CompletableFuture<T> f,
671	>	BiFunction<? super T,Throwable,? extends U> a) {
672	>	return f.handleAsync(a);
673		}
674		public <T> CompletableFuture<T> whenComplete
675		(CompletableFuture<T> f,
676		BiConsumer<? super T,? super Throwable> a) {
677	<	return f.whenComplete(a);
677	>	return f.whenCompleteAsync(a);
678		}
502	–	},
503	–
504	–	//             /** Experimental way to do more testing */
505	–	//         REVERSE_DEFAULT {
506	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
507	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
508	–	//                 return g.runAfterBoth(f, a);
509	–	//             }
510	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
511	–	//                 (CompletableFuture<T> f,
512	–	//                  CompletionStage<? extends U> g,
513	–	//                  BiConsumer<? super T,? super U> a) {
514	–	//                 return DEFAULT.thenAcceptBoth(f, g, a);
515	–	//             }
516	–	//         },
517	–
518	–	DEFAULT_ASYNC {
679		public <T,U> CompletableFuture<Void> runAfterBoth
680		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
681		return f.runAfterBothAsync(g, a);
#	Line 532 | Line 692 | public class CompletableFutureTest exten
692		BiFunction<? super T,? super U,? extends V> a) {
693		return f.thenCombineAsync(g, a);
694		}
695	<	public <T,U> CompletableFuture<U> applyToEither
695	>	public <T> CompletableFuture<Void> runAfterEither
696		(CompletableFuture<T> f,
697	<	CompletionStage<? extends T> g,
698	<	Function<? super T,U> a) {
699	<	return f.applyToEitherAsync(g, a);
697	>	CompletionStage<?> g,
698	>	java.lang.Runnable a) {
699	>	return f.runAfterEitherAsync(g, a);
700		}
701		public <T> CompletableFuture<Void> acceptEither
702		(CompletableFuture<T> f,
#	Line 544 | Line 704 | public class CompletableFutureTest exten
704		Consumer<? super T> a) {
705		return f.acceptEitherAsync(g, a);
706		}
707	<	public <T> CompletableFuture<Void> runAfterEither
707	>	public <T,U> CompletableFuture<U> applyToEither
708		(CompletableFuture<T> f,
709	<	CompletionStage<?> g,
710	<	java.lang.Runnable a) {
711	<	return f.runAfterEitherAsync(g, a);
709	>	CompletionStage<? extends T> g,
710	>	Function<? super T,U> a) {
711	>	return f.applyToEitherAsync(g, a);
712	>	}
713	>	},
714	>
715	>	EXECUTOR {
716	>	public void checkExecutionMode() {
717	>	assertTrue(ThreadExecutor.startedCurrentThread());
718	>	}
719	>	public CompletableFuture<Void> runAsync(Runnable a) {
720	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
721	>	}
722	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
723	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
724	>	}
725	>	public <T> CompletableFuture<Void> thenRun
726	>	(CompletableFuture<T> f, Runnable a) {
727	>	return f.thenRunAsync(a, new ThreadExecutor());
728	>	}
729	>	public <T> CompletableFuture<Void> thenAccept
730	>	(CompletableFuture<T> f, Consumer<? super T> a) {
731	>	return f.thenAcceptAsync(a, new ThreadExecutor());
732	>	}
733	>	public <T,U> CompletableFuture<U> thenApply
734	>	(CompletableFuture<T> f, Function<? super T,U> a) {
735	>	return f.thenApplyAsync(a, new ThreadExecutor());
736		}
737		public <T,U> CompletableFuture<U> thenCompose
738		(CompletableFuture<T> f,
739		Function<? super T,? extends CompletionStage<U>> a) {
740	<	return f.thenComposeAsync(a);
740	>	return f.thenComposeAsync(a, new ThreadExecutor());
741	>	}
742	>	public <T,U> CompletableFuture<U> handle
743	>	(CompletableFuture<T> f,
744	>	BiFunction<? super T,Throwable,? extends U> a) {
745	>	return f.handleAsync(a, new ThreadExecutor());
746		}
747		public <T> CompletableFuture<T> whenComplete
748		(CompletableFuture<T> f,
749		BiConsumer<? super T,? super Throwable> a) {
750	<	return f.whenCompleteAsync(a);
750	>	return f.whenCompleteAsync(a, new ThreadExecutor());
751		}
563	–	},
564	–
565	–	//         REVERSE_DEFAULT_ASYNC {
566	–	//             public <T,U> CompletableFuture<Void> runAfterBoth
567	–	//                 (CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
568	–	//                 return f.runAfterBothAsync(g, a);
569	–	//             }
570	–	//             public <T,U> CompletableFuture<Void> thenAcceptBoth
571	–	//                 (CompletableFuture<T> f,
572	–	//                  CompletionStage<? extends U> g,
573	–	//                  BiConsumer<? super T,? super U> a) {
574	–	//                 return DEFAULT_ASYNC.thenAcceptBoth(f, g, a);
575	–	//             }
576	–	//         },
577	–
578	–	EXECUTOR {
752		public <T,U> CompletableFuture<Void> runAfterBoth
753		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
754		return f.runAfterBothAsync(g, a, new ThreadExecutor());
#	Line 592 | Line 765 | public class CompletableFutureTest exten
765		BiFunction<? super T,? super U,? extends V> a) {
766		return f.thenCombineAsync(g, a, new ThreadExecutor());
767		}
595	–	public <T,U> CompletableFuture<U> applyToEither
596	–	(CompletableFuture<T> f,
597	–	CompletionStage<? extends T> g,
598	–	Function<? super T,U> a) {
599	–	return f.applyToEitherAsync(g, a, new ThreadExecutor());
600	–	}
601	–	public <T> CompletableFuture<Void> acceptEither
602	–	(CompletableFuture<T> f,
603	–	CompletionStage<? extends T> g,
604	–	Consumer<? super T> a) {
605	–	return f.acceptEitherAsync(g, a, new ThreadExecutor());
606	–	}
768		public <T> CompletableFuture<Void> runAfterEither
769		(CompletableFuture<T> f,
770		CompletionStage<?> g,
771		java.lang.Runnable a) {
772		return f.runAfterEitherAsync(g, a, new ThreadExecutor());
773		}
774	<	public <T,U> CompletableFuture<U> thenCompose
774	>	public <T> CompletableFuture<Void> acceptEither
775		(CompletableFuture<T> f,
776	<	Function<? super T,? extends CompletionStage<U>> a) {
777	<	return f.thenComposeAsync(a, new ThreadExecutor());
776	>	CompletionStage<? extends T> g,
777	>	Consumer<? super T> a) {
778	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
779		}
780	<	public <T> CompletableFuture<T> whenComplete
780	>	public <T,U> CompletableFuture<U> applyToEither
781		(CompletableFuture<T> f,
782	<	BiConsumer<? super T,? super Throwable> a) {
783	<	return f.whenCompleteAsync(a, new ThreadExecutor());
782	>	CompletionStage<? extends T> g,
783	>	Function<? super T,U> a) {
784	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
785		}
786		};
787
788	+	public abstract void checkExecutionMode();
789	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
790	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
791	+	public abstract <T> CompletableFuture<Void> thenRun
792	+	(CompletableFuture<T> f, Runnable a);
793	+	public abstract <T> CompletableFuture<Void> thenAccept
794	+	(CompletableFuture<T> f, Consumer<? super T> a);
795	+	public abstract <T,U> CompletableFuture<U> thenApply
796	+	(CompletableFuture<T> f, Function<? super T,U> a);
797	+	public abstract <T,U> CompletableFuture<U> thenCompose
798	+	(CompletableFuture<T> f,
799	+	Function<? super T,? extends CompletionStage<U>> a);
800	+	public abstract <T,U> CompletableFuture<U> handle
801	+	(CompletableFuture<T> f,
802	+	BiFunction<? super T,Throwable,? extends U> a);
803	+	public abstract <T> CompletableFuture<T> whenComplete
804	+	(CompletableFuture<T> f,
805	+	BiConsumer<? super T,? super Throwable> a);
806		public abstract <T,U> CompletableFuture<Void> runAfterBoth
807		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
808		public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
#	Line 632 | Line 813 | public class CompletableFutureTest exten
813		(CompletableFuture<T> f,
814		CompletionStage<? extends U> g,
815		BiFunction<? super T,? super U,? extends V> a);
635	–	public abstract <T,U> CompletableFuture<U> applyToEither
636	–	(CompletableFuture<T> f,
637	–	CompletionStage<? extends T> g,
638	–	Function<? super T,U> a);
639	–	public abstract <T> CompletableFuture<Void> acceptEither
640	–	(CompletableFuture<T> f,
641	–	CompletionStage<? extends T> g,
642	–	Consumer<? super T> a);
816		public abstract <T> CompletableFuture<Void> runAfterEither
817		(CompletableFuture<T> f,
818		CompletionStage<?> g,
819		java.lang.Runnable a);
820	<	public abstract <T,U> CompletableFuture<U> thenCompose
820	>	public abstract <T> CompletableFuture<Void> acceptEither
821		(CompletableFuture<T> f,
822	<	Function<? super T,? extends CompletionStage<U>> a);
823	<	public abstract <T> CompletableFuture<T> whenComplete
822	>	CompletionStage<? extends T> g,
823	>	Consumer<? super T> a);
824	>	public abstract <T,U> CompletableFuture<U> applyToEither
825		(CompletableFuture<T> f,
826	<	BiConsumer<? super T,? super Throwable> a);
827	<
654	<
655	<	}
656	<
657	<	/**
658	<	* exceptionally action completes with function value on source
659	<	* exception; otherwise with source value
660	<	*/
661	<	public void testExceptionally() {
662	<	CompletableFuture<Integer> f = new CompletableFuture<>();
663	<	ExceptionToInteger r = new ExceptionToInteger();
664	<	CompletableFuture<Integer> g = f.exceptionally(r);
665	<	f.completeExceptionally(new CFException());
666	<	checkCompletedNormally(g, three);
667	<
668	<	f = new CompletableFuture<>();
669	<	r = new ExceptionToInteger();
670	<	g = f.exceptionally(r);
671	<	f.complete(one);
672	<	checkCompletedNormally(g, one);
826	>	CompletionStage<? extends T> g,
827	>	Function<? super T,U> a);
828		}
829
830		/**
831	<	* handle action completes normally with function value on either
832	<	* normal or exceptional completion of source
831	>	* exceptionally action is not invoked when source completes
832	>	* normally, and source result is propagated
833		*/
834	<	public void testHandle() {
835	<	CompletableFuture<Integer> f, g;
836	<	IntegerHandler r;
837	<
838	<	f = new CompletableFuture<>();
839	<	f.completeExceptionally(new CFException());
840	<	g = f.handle(r = new IntegerHandler());
841	<	assertTrue(r.ran);
842	<	checkCompletedNormally(g, three);
843	<
844	<	f = new CompletableFuture<>();
845	<	g = f.handle(r = new IntegerHandler());
846	<	assertFalse(r.ran);
847	<	f.completeExceptionally(new CFException());
693	<	checkCompletedNormally(g, three);
694	<	assertTrue(r.ran);
695	<
696	<	f = new CompletableFuture<>();
697	<	f.complete(one);
698	<	g = f.handle(r = new IntegerHandler());
699	<	assertTrue(r.ran);
700	<	checkCompletedNormally(g, two);
834	>	public void testExceptionally_normalCompletion() {
835	>	for (boolean createIncomplete : new boolean[] { true, false })
836	>	for (Integer v1 : new Integer[] { 1, null })
837	>	{
838	>	final AtomicInteger a = new AtomicInteger(0);
839	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
840	>	if (!createIncomplete) assertTrue(f.complete(v1));
841	>	final CompletableFuture<Integer> g = f.exceptionally
842	>	((Throwable t) -> {
843	>	a.getAndIncrement();
844	>	threadFail("should not be called");
845	>	return null;            // unreached
846	>	});
847	>	if (createIncomplete) assertTrue(f.complete(v1));
848
849	<	f = new CompletableFuture<>();
850	<	g = f.handle(r = new IntegerHandler());
851	<	assertFalse(r.ran);
852	<	f.complete(one);
706	<	assertTrue(r.ran);
707	<	checkCompletedNormally(g, two);
708	<	}
849	>	checkCompletedNormally(g, v1);
850	>	checkCompletedNormally(f, v1);
851	>	assertEquals(0, a.get());
852	>	}}
853
854		/**
855	<	* runAsync completes after running Runnable
855	>	* exceptionally action completes with function value on source
856	>	* exception
857		*/
858	<	public void testRunAsync() {
859	<	Noop r = new Noop();
860	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
861	<	assertNull(f.join());
862	<	assertTrue(r.ran);
863	<	checkCompletedNormally(f, null);
864	<	}
858	>	public void testExceptionally_exceptionalCompletion() {
859	>	for (boolean createIncomplete : new boolean[] { true, false })
860	>	for (Integer v1 : new Integer[] { 1, null })
861	>	{
862	>	final AtomicInteger a = new AtomicInteger(0);
863	>	final CFException ex = new CFException();
864	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
865	>	if (!createIncomplete) f.completeExceptionally(ex);
866	>	final CompletableFuture<Integer> g = f.exceptionally
867	>	((Throwable t) -> {
868	>	ExecutionMode.SYNC.checkExecutionMode();
869	>	threadAssertSame(t, ex);
870	>	a.getAndIncrement();
871	>	return v1;
872	>	});
873	>	if (createIncomplete) f.completeExceptionally(ex);
874	>
875	>	checkCompletedNormally(g, v1);
876	>	assertEquals(1, a.get());
877	>	}}
878	>
879	>	/**
880	>	* If an "exceptionally action" throws an exception, it completes
881	>	* exceptionally with that exception
882	>	*/
883	>	public void testExceptionally_exceptionalCompletionActionFailed() {
884	>	for (boolean createIncomplete : new boolean[] { true, false })
885	>	{
886	>	final AtomicInteger a = new AtomicInteger(0);
887	>	final CFException ex1 = new CFException();
888	>	final CFException ex2 = new CFException();
889	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
890	>	if (!createIncomplete) f.completeExceptionally(ex1);
891	>	final CompletableFuture<Integer> g = f.exceptionally
892	>	((Throwable t) -> {
893	>	ExecutionMode.SYNC.checkExecutionMode();
894	>	threadAssertSame(t, ex1);
895	>	a.getAndIncrement();
896	>	throw ex2;
897	>	});
898	>	if (createIncomplete) f.completeExceptionally(ex1);
899	>
900	>	checkCompletedWithWrappedException(g, ex2);
901	>	checkCompletedExceptionally(f, ex1);
902	>	assertEquals(1, a.get());
903	>	}}
904
905		/**
906	<	* runAsync with executor completes after running Runnable
906	>	* whenComplete action executes on normal completion, propagating
907	>	* source result.
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	<	assertTrue(r.ran);
915	<	checkCompletedNormally(f, null);
916	<	assertEquals(1, exec.count.get());
917	<	}
909	>	public void testWhenComplete_normalCompletion() {
910	>	for (ExecutionMode m : ExecutionMode.values())
911	>	for (boolean createIncomplete : new boolean[] { true, false })
912	>	for (Integer v1 : new Integer[] { 1, null })
913	>	{
914	>	final AtomicInteger a = new AtomicInteger(0);
915	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
916	>	if (!createIncomplete) assertTrue(f.complete(v1));
917	>	final CompletableFuture<Integer> g = m.whenComplete
918	>	(f,
919	>	(Integer result, Throwable t) -> {
920	>	m.checkExecutionMode();
921	>	threadAssertSame(result, v1);
922	>	threadAssertNull(t);
923	>	a.getAndIncrement();
924	>	});
925	>	if (createIncomplete) assertTrue(f.complete(v1));
926
927	<	/**
928	<	* failing runAsync completes exceptionally after running Runnable
929	<	*/
930	<	public void testRunAsync3() {
738	<	FailingNoop r = new FailingNoop();
739	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
740	<	checkCompletedWithWrappedCFException(f);
741	<	assertTrue(r.ran);
742	<	}
927	>	checkCompletedNormally(g, v1);
928	>	checkCompletedNormally(f, v1);
929	>	assertEquals(1, a.get());
930	>	}}
931
932		/**
933	<	* supplyAsync completes with result of supplier
933	>	* whenComplete action executes on exceptional completion, propagating
934	>	* source result.
935		*/
936	<	public void testSupplyAsync() {
937	<	CompletableFuture<Integer> f;
938	<	f = CompletableFuture.supplyAsync(supplyOne);
939	<	assertEquals(f.join(), one);
940	<	checkCompletedNormally(f, one);
941	<	}
936	>	public void testWhenComplete_exceptionalCompletion() {
937	>	for (ExecutionMode m : ExecutionMode.values())
938	>	for (boolean createIncomplete : new boolean[] { true, false })
939	>	{
940	>	final AtomicInteger a = new AtomicInteger(0);
941	>	final CFException ex = new CFException();
942	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
943	>	if (!createIncomplete) f.completeExceptionally(ex);
944	>	final CompletableFuture<Integer> g = m.whenComplete
945	>	(f,
946	>	(Integer result, Throwable t) -> {
947	>	m.checkExecutionMode();
948	>	threadAssertNull(result);
949	>	threadAssertSame(t, ex);
950	>	a.getAndIncrement();
951	>	});
952	>	if (createIncomplete) f.completeExceptionally(ex);
953	>
954	>	checkCompletedWithWrappedException(g, ex);
955	>	checkCompletedExceptionally(f, ex);
956	>	assertEquals(1, a.get());
957	>	}}
958	>
959	>	/**
960	>	* whenComplete action executes on cancelled source, propagating
961	>	* CancellationException.
962	>	*/
963	>	public void testWhenComplete_sourceCancelled() {
964	>	for (ExecutionMode m : ExecutionMode.values())
965	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
966	>	for (boolean createIncomplete : new boolean[] { true, false })
967	>	{
968	>	final AtomicInteger a = new AtomicInteger(0);
969	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
970	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
971	>	final CompletableFuture<Integer> g = m.whenComplete
972	>	(f,
973	>	(Integer result, Throwable t) -> {
974	>	m.checkExecutionMode();
975	>	threadAssertNull(result);
976	>	threadAssertTrue(t instanceof CancellationException);
977	>	a.getAndIncrement();
978	>	});
979	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
980
981	<	/**
982	<	* supplyAsync with executor completes with result of supplier
983	<	*/
984	<	public void testSupplyAsync2() {
758	<	CompletableFuture<Integer> f;
759	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
760	<	assertEquals(f.join(), one);
761	<	checkCompletedNormally(f, one);
762	<	}
981	>	checkCompletedWithWrappedCancellationException(g);
982	>	checkCancelled(f);
983	>	assertEquals(1, a.get());
984	>	}}
985
986		/**
987	<	* Failing supplyAsync completes exceptionally
987	>	* If a whenComplete action throws an exception when triggered by
988	>	* a normal completion, it completes exceptionally
989		*/
990	<	public void testSupplyAsync3() {
991	<	FailingSupplier r = new FailingSupplier();
992	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
993	<	checkCompletedWithWrappedCFException(f);
994	<	assertTrue(r.ran);
995	<	}
990	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
991	>	for (boolean createIncomplete : new boolean[] { true, false })
992	>	for (ExecutionMode m : ExecutionMode.values())
993	>	for (Integer v1 : new Integer[] { 1, null })
994	>	{
995	>	final AtomicInteger a = new AtomicInteger(0);
996	>	final CFException ex = new CFException();
997	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
998	>	if (!createIncomplete) assertTrue(f.complete(v1));
999	>	final CompletableFuture<Integer> g = m.whenComplete
1000	>	(f,
1001	>	(Integer result, Throwable t) -> {
1002	>	m.checkExecutionMode();
1003	>	threadAssertSame(result, v1);
1004	>	threadAssertNull(t);
1005	>	a.getAndIncrement();
1006	>	throw ex;
1007	>	});
1008	>	if (createIncomplete) assertTrue(f.complete(v1));
1009
1010	<	// seq completion methods
1010	>	checkCompletedWithWrappedException(g, ex);
1011	>	checkCompletedNormally(f, v1);
1012	>	assertEquals(1, a.get());
1013	>	}}
1014
1015		/**
1016	<	* thenRun result completes normally after normal completion of source
1016	>	* If a whenComplete action throws an exception when triggered by
1017	>	* a source completion that also throws an exception, the source
1018	>	* exception takes precedence (unlike handle)
1019		*/
1020	<	public void testThenRun() {
1021	<	CompletableFuture<Integer> f;
1022	<	CompletableFuture<Void> g;
1023	<	Noop r;
1024	<
1025	<	f = new CompletableFuture<>();
1026	<	g = f.thenRun(r = new Noop());
1027	<	f.complete(null);
1028	<	checkCompletedNormally(g, null);
1029	<	assertTrue(r.ran);
1030	<
1031	<	f = new CompletableFuture<>();
1032	<	f.complete(null);
1033	<	g = f.thenRun(r = new Noop());
1034	<	checkCompletedNormally(g, null);
1035	<	assertTrue(r.ran);
1036	<	}
1020	>	public void testWhenComplete_sourceFailedActionFailed() {
1021	>	for (boolean createIncomplete : new boolean[] { true, false })
1022	>	for (ExecutionMode m : ExecutionMode.values())
1023	>	{
1024	>	final AtomicInteger a = new AtomicInteger(0);
1025	>	final CFException ex1 = new CFException();
1026	>	final CFException ex2 = new CFException();
1027	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1028	>
1029	>	if (!createIncomplete) f.completeExceptionally(ex1);
1030	>	final CompletableFuture<Integer> g = m.whenComplete
1031	>	(f,
1032	>	(Integer result, Throwable t) -> {
1033	>	m.checkExecutionMode();
1034	>	threadAssertSame(t, ex1);
1035	>	threadAssertNull(result);
1036	>	a.getAndIncrement();
1037	>	throw ex2;
1038	>	});
1039	>	if (createIncomplete) f.completeExceptionally(ex1);
1040	>
1041	>	checkCompletedWithWrappedException(g, ex1);
1042	>	checkCompletedExceptionally(f, ex1);
1043	>	if (testImplementationDetails) {
1044	>	assertEquals(1, ex1.getSuppressed().length);
1045	>	assertSame(ex2, ex1.getSuppressed()[0]);
1046	>	}
1047	>	assertEquals(1, a.get());
1048	>	}}
1049
1050		/**
1051	<	* thenRun result completes exceptionally after exceptional
1051	>	* handle action completes normally with function value on normal
1052		* completion of source
1053		*/
1054	<	public void testThenRun2() {
1055	<	CompletableFuture<Integer> f;
1056	<	CompletableFuture<Void> g;
1057	<	Noop r;
1058	<
1059	<	f = new CompletableFuture<>();
1060	<	g = f.thenRun(r = new Noop());
1061	<	f.completeExceptionally(new CFException());
1062	<	checkCompletedWithWrappedCFException(g);
1063	<	assertFalse(r.ran);
1064	<
1065	<	f = new CompletableFuture<>();
1066	<	f.completeExceptionally(new CFException());
1067	<	g = f.thenRun(r = new Noop());
1068	<	checkCompletedWithWrappedCFException(g);
1069	<	assertFalse(r.ran);
1070	<	}
1071	<
819	<	/**
820	<	* thenRun result completes exceptionally if action does
821	<	*/
822	<	public void testThenRun3() {
823	<	CompletableFuture<Integer> f;
824	<	CompletableFuture<Void> g;
825	<	FailingNoop r;
826	<
827	<	f = new CompletableFuture<>();
828	<	g = f.thenRun(r = new FailingNoop());
829	<	f.complete(null);
830	<	checkCompletedWithWrappedCFException(g);
1054	>	public void testHandle_normalCompletion() {
1055	>	for (ExecutionMode m : ExecutionMode.values())
1056	>	for (boolean createIncomplete : new boolean[] { true, false })
1057	>	for (Integer v1 : new Integer[] { 1, null })
1058	>	{
1059	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1060	>	final AtomicInteger a = new AtomicInteger(0);
1061	>	if (!createIncomplete) assertTrue(f.complete(v1));
1062	>	final CompletableFuture<Integer> g = m.handle
1063	>	(f,
1064	>	(Integer result, Throwable t) -> {
1065	>	m.checkExecutionMode();
1066	>	threadAssertSame(result, v1);
1067	>	threadAssertNull(t);
1068	>	a.getAndIncrement();
1069	>	return inc(v1);
1070	>	});
1071	>	if (createIncomplete) assertTrue(f.complete(v1));
1072
1073	<	f = new CompletableFuture<>();
1074	<	f.complete(null);
1075	<	g = f.thenRun(r = new FailingNoop());
1076	<	checkCompletedWithWrappedCFException(g);
836	<	}
1073	>	checkCompletedNormally(g, inc(v1));
1074	>	checkCompletedNormally(f, v1);
1075	>	assertEquals(1, a.get());
1076	>	}}
1077
1078		/**
1079	<	* thenRun result completes exceptionally if source cancelled
1079	>	* handle action completes normally with function value on
1080	>	* exceptional completion of source
1081		*/
1082	<	public void testThenRun4() {
1083	<	CompletableFuture<Integer> f;
1084	<	CompletableFuture<Void> g;
1085	<	Noop r;
1086	<
1087	<	f = new CompletableFuture<>();
1088	<	g = f.thenRun(r = new Noop());
1089	<	assertTrue(f.cancel(true));
1090	<	checkCompletedWithWrappedCancellationException(g);
1082	>	public void testHandle_exceptionalCompletion() {
1083	>	for (ExecutionMode m : ExecutionMode.values())
1084	>	for (boolean createIncomplete : new boolean[] { true, false })
1085	>	for (Integer v1 : new Integer[] { 1, null })
1086	>	{
1087	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1088	>	final AtomicInteger a = new AtomicInteger(0);
1089	>	final CFException ex = new CFException();
1090	>	if (!createIncomplete) f.completeExceptionally(ex);
1091	>	final CompletableFuture<Integer> g = m.handle
1092	>	(f,
1093	>	(Integer result, Throwable t) -> {
1094	>	m.checkExecutionMode();
1095	>	threadAssertNull(result);
1096	>	threadAssertSame(t, ex);
1097	>	a.getAndIncrement();
1098	>	return v1;
1099	>	});
1100	>	if (createIncomplete) f.completeExceptionally(ex);
1101
1102	<	f = new CompletableFuture<>();
1103	<	assertTrue(f.cancel(true));
1104	<	g = f.thenRun(r = new Noop());
1105	<	checkCompletedWithWrappedCancellationException(g);
855	<	}
1102	>	checkCompletedNormally(g, v1);
1103	>	checkCompletedExceptionally(f, ex);
1104	>	assertEquals(1, a.get());
1105	>	}}
1106
1107		/**
1108	<	* thenApply result completes normally after normal completion of source
1108	>	* handle action completes normally with function value on
1109	>	* cancelled source
1110		*/
1111	<	public void testThenApply() {
1112	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1113	<	CompletableFuture<Integer> g = f.thenApply(inc);
1114	<	f.complete(one);
1115	<	checkCompletedNormally(g, two);
1116	<	}
1111	>	public void testHandle_sourceCancelled() {
1112	>	for (ExecutionMode m : ExecutionMode.values())
1113	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1114	>	for (boolean createIncomplete : new boolean[] { true, false })
1115	>	for (Integer v1 : new Integer[] { 1, null })
1116	>	{
1117	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1118	>	final AtomicInteger a = new AtomicInteger(0);
1119	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1120	>	final CompletableFuture<Integer> g = m.handle
1121	>	(f,
1122	>	(Integer result, Throwable t) -> {
1123	>	m.checkExecutionMode();
1124	>	threadAssertNull(result);
1125	>	threadAssertTrue(t instanceof CancellationException);
1126	>	a.getAndIncrement();
1127	>	return v1;
1128	>	});
1129	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1130
1131	<	/**
1132	<	* thenApply result completes exceptionally after exceptional
1133	<	* completion of source
1134	<	*/
871	<	public void testThenApply2() {
872	<	CompletableFuture<Integer> f = new CompletableFuture<>();
873	<	CompletableFuture<Integer> g = f.thenApply(inc);
874	<	f.completeExceptionally(new CFException());
875	<	checkCompletedWithWrappedCFException(g);
876	<	}
1131	>	checkCompletedNormally(g, v1);
1132	>	checkCancelled(f);
1133	>	assertEquals(1, a.get());
1134	>	}}
1135
1136		/**
1137	<	* thenApply result completes exceptionally if action does
1137	>	* If a "handle action" throws an exception when triggered by
1138	>	* a normal completion, it completes exceptionally
1139		*/
1140	<	public void testThenApply3() {
1141	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1142	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1143	<	f.complete(one);
1144	<	checkCompletedWithWrappedCFException(g);
1145	<	}
1140	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1141	>	for (ExecutionMode m : ExecutionMode.values())
1142	>	for (boolean createIncomplete : new boolean[] { true, false })
1143	>	for (Integer v1 : new Integer[] { 1, null })
1144	>	{
1145	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1146	>	final AtomicInteger a = new AtomicInteger(0);
1147	>	final CFException ex = new CFException();
1148	>	if (!createIncomplete) assertTrue(f.complete(v1));
1149	>	final CompletableFuture<Integer> g = m.handle
1150	>	(f,
1151	>	(Integer result, Throwable t) -> {
1152	>	m.checkExecutionMode();
1153	>	threadAssertSame(result, v1);
1154	>	threadAssertNull(t);
1155	>	a.getAndIncrement();
1156	>	throw ex;
1157	>	});
1158	>	if (createIncomplete) assertTrue(f.complete(v1));
1159	>
1160	>	checkCompletedWithWrappedException(g, ex);
1161	>	checkCompletedNormally(f, v1);
1162	>	assertEquals(1, a.get());
1163	>	}}
1164	>
1165	>	/**
1166	>	* If a "handle action" throws an exception when triggered by
1167	>	* a source completion that also throws an exception, the action
1168	>	* exception takes precedence (unlike whenComplete)
1169	>	*/
1170	>	public void testHandle_sourceFailedActionFailed() {
1171	>	for (boolean createIncomplete : new boolean[] { true, false })
1172	>	for (ExecutionMode m : ExecutionMode.values())
1173	>	{
1174	>	final AtomicInteger a = new AtomicInteger(0);
1175	>	final CFException ex1 = new CFException();
1176	>	final CFException ex2 = new CFException();
1177	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1178	>
1179	>	if (!createIncomplete) f.completeExceptionally(ex1);
1180	>	final CompletableFuture<Integer> g = m.handle
1181	>	(f,
1182	>	(Integer result, Throwable t) -> {
1183	>	m.checkExecutionMode();
1184	>	threadAssertNull(result);
1185	>	threadAssertSame(ex1, t);
1186	>	a.getAndIncrement();
1187	>	throw ex2;
1188	>	});
1189	>	if (createIncomplete) f.completeExceptionally(ex1);
1190	>
1191	>	checkCompletedWithWrappedException(g, ex2);
1192	>	checkCompletedExceptionally(f, ex1);
1193	>	assertEquals(1, a.get());
1194	>	}}
1195
1196		/**
1197	<	* thenApply result completes exceptionally if source cancelled
1197	>	* runAsync completes after running Runnable
1198		*/
1199	<	public void testThenApply4() {
1200	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1201	<	CompletableFuture<Integer> g = f.thenApply(inc);
1202	<	assertTrue(f.cancel(true));
1203	<	checkCompletedWithWrappedCancellationException(g);
1204	<	}
1199	>	public void testRunAsync_normalCompletion() {
1200	>	ExecutionMode[] executionModes = {
1201	>	ExecutionMode.ASYNC,
1202	>	ExecutionMode.EXECUTOR,
1203	>	};
1204	>	for (ExecutionMode m : executionModes)
1205	>	{
1206	>	final Noop r = new Noop(m);
1207	>	final CompletableFuture<Void> f = m.runAsync(r);
1208	>	assertNull(f.join());
1209	>	checkCompletedNormally(f, null);
1210	>	r.assertInvoked();
1211	>	}}
1212
1213		/**
1214	<	* thenAccept result completes normally after normal completion of source
1214	>	* failing runAsync completes exceptionally after running Runnable
1215		*/
1216	<	public void testThenAccept() {
1217	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1218	<	IncAction r = new IncAction();
1219	<	CompletableFuture<Void> g = f.thenAccept(r);
1220	<	f.complete(one);
1221	<	checkCompletedNormally(g, null);
1222	<	assertEquals(r.value, (Integer) 2);
1223	<	}
1216	>	public void testRunAsync_exceptionalCompletion() {
1217	>	ExecutionMode[] executionModes = {
1218	>	ExecutionMode.ASYNC,
1219	>	ExecutionMode.EXECUTOR,
1220	>	};
1221	>	for (ExecutionMode m : executionModes)
1222	>	{
1223	>	final FailingRunnable r = new FailingRunnable(m);
1224	>	final CompletableFuture<Void> f = m.runAsync(r);
1225	>	checkCompletedWithWrappedCFException(f);
1226	>	r.assertInvoked();
1227	>	}}
1228
1229		/**
1230	<	* thenAccept result completes exceptionally after exceptional
912	<	* completion of source
1230	>	* supplyAsync completes with result of supplier
1231		*/
1232	<	public void testThenAccept2() {
1233	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1234	<	IncAction r = new IncAction();
1235	<	CompletableFuture<Void> g = f.thenAccept(r);
1236	<	f.completeExceptionally(new CFException());
1237	<	checkCompletedWithWrappedCFException(g);
1238	<	}
1232	>	public void testSupplyAsync_normalCompletion() {
1233	>	ExecutionMode[] executionModes = {
1234	>	ExecutionMode.ASYNC,
1235	>	ExecutionMode.EXECUTOR,
1236	>	};
1237	>	for (ExecutionMode m : executionModes)
1238	>	for (Integer v1 : new Integer[] { 1, null })
1239	>	{
1240	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1241	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1242	>	assertSame(v1, f.join());
1243	>	checkCompletedNormally(f, v1);
1244	>	r.assertInvoked();
1245	>	}}
1246
1247		/**
1248	<	* thenAccept result completes exceptionally if action does
1248	>	* Failing supplyAsync completes exceptionally
1249		*/
1250	<	public void testThenAccept3() {
1251	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1252	<	FailingConsumer r = new FailingConsumer();
1253	<	CompletableFuture<Void> g = f.thenAccept(r);
1254	<	f.complete(one);
1255	<	checkCompletedWithWrappedCFException(g);
1256	<	assertTrue(r.ran);
1257	<	}
1250	>	public void testSupplyAsync_exceptionalCompletion() {
1251	>	ExecutionMode[] executionModes = {
1252	>	ExecutionMode.ASYNC,
1253	>	ExecutionMode.EXECUTOR,
1254	>	};
1255	>	for (ExecutionMode m : executionModes)
1256	>	{
1257	>	FailingSupplier r = new FailingSupplier(m);
1258	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1259	>	checkCompletedWithWrappedCFException(f);
1260	>	r.assertInvoked();
1261	>	}}
1262
1263	<	/**
935	<	* thenAccept result completes exceptionally if source cancelled
936	<	*/
937	<	public void testThenAccept4() {
938	<	CompletableFuture<Integer> f = new CompletableFuture<>();
939	<	IncAction r = new IncAction();
940	<	CompletableFuture<Void> g = f.thenAccept(r);
941	<	assertTrue(f.cancel(true));
942	<	checkCompletedWithWrappedCancellationException(g);
943	<	}
1263	>	// seq completion methods
1264
1265		/**
1266	<	* thenCombine result completes normally after normal completion
947	<	* of sources
1266	>	* thenRun result completes normally after normal completion of source
1267		*/
1268	<	public void testThenCombine_normalCompletion1() {
1268	>	public void testThenRun_normalCompletion() {
1269		for (ExecutionMode m : ExecutionMode.values())
1270		for (Integer v1 : new Integer[] { 1, null })
1271	<	for (Integer v2 : new Integer[] { 2, null }) {
953	<
1271	>	{
1272		final CompletableFuture<Integer> f = new CompletableFuture<>();
1273	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1274	<	final SubtractFunction r = new SubtractFunction();
957	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
958	<
959	<	f.complete(v1);
960	<	checkIncomplete(h);
961	<	assertEquals(r.invocationCount, 0);
962	<	g.complete(v2);
1273	>	final Noop[] rs = new Noop[6];
1274	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1275
1276	<	checkCompletedNormally(h, subtract(v1, v2));
1276	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1277	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1278	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1279	>	checkIncomplete(h0);
1280	>	checkIncomplete(h1);
1281	>	checkIncomplete(h2);
1282	>	assertTrue(f.complete(v1));
1283	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1284	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1285	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1286	>
1287	>	checkCompletedNormally(h0, null);
1288	>	checkCompletedNormally(h1, null);
1289	>	checkCompletedNormally(h2, null);
1290	>	checkCompletedNormally(h3, null);
1291	>	checkCompletedNormally(h4, null);
1292	>	checkCompletedNormally(h5, null);
1293		checkCompletedNormally(f, v1);
1294	<	checkCompletedNormally(g, v2);
1295	<	assertEquals(r.invocationCount, 1);
968	<	}
969	<	}
1294	>	for (Noop r : rs) r.assertInvoked();
1295	>	}}
1296
1297	<	public void testThenCombine_normalCompletion2() {
1297	>	/**
1298	>	* thenRun result completes exceptionally after exceptional
1299	>	* completion of source
1300	>	*/
1301	>	public void testThenRun_exceptionalCompletion() {
1302		for (ExecutionMode m : ExecutionMode.values())
1303	<	for (Integer v1 : new Integer[] { 1, null })
1304	<	for (Integer v2 : new Integer[] { 2, null }) {
975	<
1303	>	{
1304	>	final CFException ex = new CFException();
1305		final CompletableFuture<Integer> f = new CompletableFuture<>();
1306	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1307	<	final SubtractFunction r = new SubtractFunction();
979	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1306	>	final Noop[] rs = new Noop[6];
1307	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1308
1309	<	g.complete(v2);
1310	<	checkIncomplete(h);
1311	<	assertEquals(r.invocationCount, 0);
1312	<	f.complete(v1);
1313	<
1314	<	checkCompletedNormally(h, subtract(v1, v2));
1315	<	checkCompletedNormally(f, v1);
1316	<	checkCompletedNormally(g, v2);
1317	<	assertEquals(r.invocationCount, 1);
1318	<	}
1319	<	}
1309	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1310	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1311	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1312	>	checkIncomplete(h0);
1313	>	checkIncomplete(h1);
1314	>	checkIncomplete(h2);
1315	>	assertTrue(f.completeExceptionally(ex));
1316	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1317	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1318	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1319	>
1320	>	checkCompletedWithWrappedException(h0, ex);
1321	>	checkCompletedWithWrappedException(h1, ex);
1322	>	checkCompletedWithWrappedException(h2, ex);
1323	>	checkCompletedWithWrappedException(h3, ex);
1324	>	checkCompletedWithWrappedException(h4, ex);
1325	>	checkCompletedWithWrappedException(h5, ex);
1326	>	checkCompletedExceptionally(f, ex);
1327	>	for (Noop r : rs) r.assertNotInvoked();
1328	>	}}
1329
1330	<	public void testThenCombine_normalCompletion3() {
1330	>	/**
1331	>	* thenRun result completes exceptionally if source cancelled
1332	>	*/
1333	>	public void testThenRun_sourceCancelled() {
1334		for (ExecutionMode m : ExecutionMode.values())
1335	<	for (Integer v1 : new Integer[] { 1, null })
1336	<	for (Integer v2 : new Integer[] { 2, null }) {
997	<
1335	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1336	>	{
1337		final CompletableFuture<Integer> f = new CompletableFuture<>();
1338	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1339	<	final SubtractFunction r = new SubtractFunction();
1001	<
1002	<	g.complete(v2);
1003	<	f.complete(v1);
1004	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1338	>	final Noop[] rs = new Noop[6];
1339	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1340
1341	<	checkCompletedNormally(h, subtract(v1, v2));
1342	<	checkCompletedNormally(f, v1);
1343	<	checkCompletedNormally(g, v2);
1344	<	assertEquals(r.invocationCount, 1);
1345	<	}
1346	<	}
1341	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1342	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1343	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1344	>	checkIncomplete(h0);
1345	>	checkIncomplete(h1);
1346	>	checkIncomplete(h2);
1347	>	assertTrue(f.cancel(mayInterruptIfRunning));
1348	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1349	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1350	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1351	>
1352	>	checkCompletedWithWrappedCancellationException(h0);
1353	>	checkCompletedWithWrappedCancellationException(h1);
1354	>	checkCompletedWithWrappedCancellationException(h2);
1355	>	checkCompletedWithWrappedCancellationException(h3);
1356	>	checkCompletedWithWrappedCancellationException(h4);
1357	>	checkCompletedWithWrappedCancellationException(h5);
1358	>	checkCancelled(f);
1359	>	for (Noop r : rs) r.assertNotInvoked();
1360	>	}}
1361
1362	<	public void testThenCombine_normalCompletion4() {
1362	>	/**
1363	>	* thenRun result completes exceptionally if action does
1364	>	*/
1365	>	public void testThenRun_actionFailed() {
1366		for (ExecutionMode m : ExecutionMode.values())
1367		for (Integer v1 : new Integer[] { 1, null })
1368	<	for (Integer v2 : new Integer[] { 2, null }) {
1017	<
1368	>	{
1369		final CompletableFuture<Integer> f = new CompletableFuture<>();
1370	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1371	<	final SubtractFunction r = new SubtractFunction();
1370	>	final FailingRunnable[] rs = new FailingRunnable[6];
1371	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1372
1373	<	f.complete(v1);
1374	<	g.complete(v2);
1375	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1376	<
1377	<	checkCompletedNormally(h, subtract(v1, v2));
1373	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1374	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1375	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1376	>	assertTrue(f.complete(v1));
1377	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1378	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1379	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1380	>
1381	>	checkCompletedWithWrappedCFException(h0);
1382	>	checkCompletedWithWrappedCFException(h1);
1383	>	checkCompletedWithWrappedCFException(h2);
1384	>	checkCompletedWithWrappedCFException(h3);
1385	>	checkCompletedWithWrappedCFException(h4);
1386	>	checkCompletedWithWrappedCFException(h5);
1387		checkCompletedNormally(f, v1);
1388	<	checkCompletedNormally(g, v2);
1029	<	assertEquals(r.invocationCount, 1);
1030	<	}
1031	<	}
1388	>	}}
1389
1390		/**
1391	<	* thenCombine result completes exceptionally after exceptional
1035	<	* completion of either source
1391	>	* thenApply result completes normally after normal completion of source
1392		*/
1393	<	public void testThenCombine_exceptionalCompletion1() {
1393	>	public void testThenApply_normalCompletion() {
1394		for (ExecutionMode m : ExecutionMode.values())
1395	<	for (Integer v1 : new Integer[] { 1, null }) {
1396	<
1041	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1042	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1043	<	final SubtractFunction r = new SubtractFunction();
1044	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1045	<	final CFException ex = new CFException();
1046	<
1047	<	f.completeExceptionally(ex);
1048	<	checkIncomplete(h);
1049	<	g.complete(v1);
1050	<
1051	<	checkCompletedWithWrappedCFException(h, ex);
1052	<	checkCompletedWithWrappedCFException(f, ex);
1053	<	assertEquals(r.invocationCount, 0);
1054	<	checkCompletedNormally(g, v1);
1055	<	}
1056	<	}
1057	<
1058	<	public void testThenCombine_exceptionalCompletion2() {
1059	<	for (ExecutionMode m : ExecutionMode.values())
1060	<	for (Integer v1 : new Integer[] { 1, null }) {
1061	<
1395	>	for (Integer v1 : new Integer[] { 1, null })
1396	>	{
1397		final CompletableFuture<Integer> f = new CompletableFuture<>();
1398	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1399	<	final SubtractFunction r = new SubtractFunction();
1065	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1066	<	final CFException ex = new CFException();
1398	>	final IncFunction[] rs = new IncFunction[4];
1399	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1400
1401	<	g.completeExceptionally(ex);
1402	<	checkIncomplete(h);
1403	<	f.complete(v1);
1401	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1402	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1403	>	checkIncomplete(h0);
1404	>	checkIncomplete(h1);
1405	>	assertTrue(f.complete(v1));
1406	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1407	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1408
1409	<	checkCompletedWithWrappedCFException(h, ex);
1410	<	checkCompletedWithWrappedCFException(g, ex);
1411	<	assertEquals(r.invocationCount, 0);
1409	>	checkCompletedNormally(h0, inc(v1));
1410	>	checkCompletedNormally(h1, inc(v1));
1411	>	checkCompletedNormally(h2, inc(v1));
1412	>	checkCompletedNormally(h3, inc(v1));
1413		checkCompletedNormally(f, v1);
1414	<	}
1415	<	}
1414	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1415	>	}}
1416
1417	<	public void testThenCombine_exceptionalCompletion3() {
1417	>	/**
1418	>	* thenApply result completes exceptionally after exceptional
1419	>	* completion of source
1420	>	*/
1421	>	public void testThenApply_exceptionalCompletion() {
1422		for (ExecutionMode m : ExecutionMode.values())
1423	<	for (Integer v1 : new Integer[] { 1, null }) {
1082	<
1083	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1084	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1085	<	final SubtractFunction r = new SubtractFunction();
1423	>	{
1424		final CFException ex = new CFException();
1087	–
1088	–	g.completeExceptionally(ex);
1089	–	f.complete(v1);
1090	–	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1091	–
1092	–	checkCompletedWithWrappedCFException(h, ex);
1093	–	checkCompletedWithWrappedCFException(g, ex);
1094	–	assertEquals(r.invocationCount, 0);
1095	–	checkCompletedNormally(f, v1);
1096	–	}
1097	–	}
1098	–
1099	–	public void testThenCombine_exceptionalCompletion4() {
1100	–	for (ExecutionMode m : ExecutionMode.values())
1101	–	for (Integer v1 : new Integer[] { 1, null }) {
1102	–
1425		final CompletableFuture<Integer> f = new CompletableFuture<>();
1426	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1427	<	final SubtractFunction r = new SubtractFunction();
1106	<	final CFException ex = new CFException();
1426	>	final IncFunction[] rs = new IncFunction[4];
1427	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1428
1429	<	f.completeExceptionally(ex);
1430	<	g.complete(v1);
1431	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1432	<
1433	<	checkCompletedWithWrappedCFException(h, ex);
1434	<	checkCompletedWithWrappedCFException(f, ex);
1435	<	assertEquals(r.invocationCount, 0);
1436	<	checkCompletedNormally(g, v1);
1437	<	}
1438	<	}
1429	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1430	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1431	>	assertTrue(f.completeExceptionally(ex));
1432	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1433	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1434	>
1435	>	checkCompletedWithWrappedException(h0, ex);
1436	>	checkCompletedWithWrappedException(h1, ex);
1437	>	checkCompletedWithWrappedException(h2, ex);
1438	>	checkCompletedWithWrappedException(h3, ex);
1439	>	checkCompletedExceptionally(f, ex);
1440	>	for (IncFunction r : rs) r.assertNotInvoked();
1441	>	}}
1442
1443		/**
1444	<	* thenCombine result completes exceptionally if action does
1444	>	* thenApply result completes exceptionally if source cancelled
1445		*/
1446	<	public void testThenCombine_actionFailed1() {
1446	>	public void testThenApply_sourceCancelled() {
1447		for (ExecutionMode m : ExecutionMode.values())
1448	<	for (Integer v1 : new Integer[] { 1, null })
1449	<	for (Integer v2 : new Integer[] { 2, null }) {
1126	<
1448	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1449	>	{
1450		final CompletableFuture<Integer> f = new CompletableFuture<>();
1451	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1452	<	final FailingBiFunction r = new FailingBiFunction();
1130	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1451	>	final IncFunction[] rs = new IncFunction[4];
1452	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1453
1454	<	f.complete(v1);
1455	<	checkIncomplete(h);
1456	<	g.complete(v2);
1454	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1455	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1456	>	assertTrue(f.cancel(mayInterruptIfRunning));
1457	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1458	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1459
1460	<	checkCompletedWithWrappedCFException(h);
1461	<	checkCompletedNormally(f, v1);
1462	<	checkCompletedNormally(g, v2);
1463	<	}
1464	<	}
1460	>	checkCompletedWithWrappedCancellationException(h0);
1461	>	checkCompletedWithWrappedCancellationException(h1);
1462	>	checkCompletedWithWrappedCancellationException(h2);
1463	>	checkCompletedWithWrappedCancellationException(h3);
1464	>	checkCancelled(f);
1465	>	for (IncFunction r : rs) r.assertNotInvoked();
1466	>	}}
1467
1468	<	public void testThenCombine_actionFailed2() {
1468	>	/**
1469	>	* thenApply result completes exceptionally if action does
1470	>	*/
1471	>	public void testThenApply_actionFailed() {
1472		for (ExecutionMode m : ExecutionMode.values())
1473		for (Integer v1 : new Integer[] { 1, null })
1474	<	for (Integer v2 : new Integer[] { 2, null }) {
1146	<
1474	>	{
1475		final CompletableFuture<Integer> f = new CompletableFuture<>();
1476	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1477	<	final FailingBiFunction r = new FailingBiFunction();
1150	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1476	>	final FailingFunction[] rs = new FailingFunction[4];
1477	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1478
1479	<	g.complete(v2);
1480	<	checkIncomplete(h);
1481	<	f.complete(v1);
1479	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1480	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1481	>	assertTrue(f.complete(v1));
1482	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1483	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1484
1485	<	checkCompletedWithWrappedCFException(h);
1485	>	checkCompletedWithWrappedCFException(h0);
1486	>	checkCompletedWithWrappedCFException(h1);
1487	>	checkCompletedWithWrappedCFException(h2);
1488	>	checkCompletedWithWrappedCFException(h3);
1489		checkCompletedNormally(f, v1);
1490	<	checkCompletedNormally(g, v2);
1159	<	}
1160	<	}
1490	>	}}
1491
1492		/**
1493	<	* thenCombine result completes exceptionally if either source cancelled
1493	>	* thenAccept result completes normally after normal completion of source
1494		*/
1495	<	public void testThenCombine_sourceCancelled1() {
1166	<	for (ExecutionMode m : ExecutionMode.values())
1167	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1168	<	for (Integer v1 : new Integer[] { 1, null }) {
1169	<
1170	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1171	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1172	<	final SubtractFunction r = new SubtractFunction();
1173	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1174	<
1175	<	assertTrue(f.cancel(mayInterruptIfRunning));
1176	<	checkIncomplete(h);
1177	<	g.complete(v1);
1178	<
1179	<	checkCompletedWithWrappedCancellationException(h);
1180	<	checkCancelled(f);
1181	<	assertEquals(r.invocationCount, 0);
1182	<	checkCompletedNormally(g, v1);
1183	<	}
1184	<	}
1185	<
1186	<	public void testThenCombine_sourceCancelled2() {
1495	>	public void testThenAccept_normalCompletion() {
1496		for (ExecutionMode m : ExecutionMode.values())
1497	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1498	<	for (Integer v1 : new Integer[] { 1, null }) {
1190	<
1497	>	for (Integer v1 : new Integer[] { 1, null })
1498	>	{
1499		final CompletableFuture<Integer> f = new CompletableFuture<>();
1500	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1501	<	final SubtractFunction r = new SubtractFunction();
1194	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1500	>	final NoopConsumer[] rs = new NoopConsumer[4];
1501	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1502
1503	<	assertTrue(g.cancel(mayInterruptIfRunning));
1504	<	checkIncomplete(h);
1505	<	f.complete(v1);
1503	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1504	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1505	>	checkIncomplete(h0);
1506	>	checkIncomplete(h1);
1507	>	assertTrue(f.complete(v1));
1508	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1509	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1510
1511	<	checkCompletedWithWrappedCancellationException(h);
1512	<	checkCancelled(g);
1513	<	assertEquals(r.invocationCount, 0);
1511	>	checkCompletedNormally(h0, null);
1512	>	checkCompletedNormally(h1, null);
1513	>	checkCompletedNormally(h2, null);
1514	>	checkCompletedNormally(h3, null);
1515		checkCompletedNormally(f, v1);
1516	<	}
1517	<	}
1516	>	for (NoopConsumer r : rs) r.assertValue(v1);
1517	>	}}
1518
1519	<	public void testThenCombine_sourceCancelled3() {
1519	>	/**
1520	>	* thenAccept result completes exceptionally after exceptional
1521	>	* completion of source
1522	>	*/
1523	>	public void testThenAccept_exceptionalCompletion() {
1524		for (ExecutionMode m : ExecutionMode.values())
1525	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1526	<	for (Integer v1 : new Integer[] { 1, null }) {
1211	<
1525	>	{
1526	>	final CFException ex = new CFException();
1527		final CompletableFuture<Integer> f = new CompletableFuture<>();
1528	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1529	<	final SubtractFunction r = new SubtractFunction();
1528	>	final NoopConsumer[] rs = new NoopConsumer[4];
1529	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1530
1531	<	assertTrue(g.cancel(mayInterruptIfRunning));
1532	<	f.complete(v1);
1533	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1531	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1532	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1533	>	assertTrue(f.completeExceptionally(ex));
1534	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1535	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1536	>
1537	>	checkCompletedWithWrappedException(h0, ex);
1538	>	checkCompletedWithWrappedException(h1, ex);
1539	>	checkCompletedWithWrappedException(h2, ex);
1540	>	checkCompletedWithWrappedException(h3, ex);
1541	>	checkCompletedExceptionally(f, ex);
1542	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1543	>	}}
1544
1545	<	checkCompletedWithWrappedCancellationException(h);
1546	<	checkCancelled(g);
1547	<	assertEquals(r.invocationCount, 0);
1548	<	checkCompletedNormally(f, v1);
1224	<	}
1225	<	}
1226	<
1227	<	public void testThenCombine_sourceCancelled4() {
1545	>	/**
1546	>	* thenAccept result completes exceptionally if source cancelled
1547	>	*/
1548	>	public void testThenAccept_sourceCancelled() {
1549		for (ExecutionMode m : ExecutionMode.values())
1550		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1551	<	for (Integer v1 : new Integer[] { 1, null }) {
1231	<
1551	>	{
1552		final CompletableFuture<Integer> f = new CompletableFuture<>();
1553	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1554	<	final SubtractFunction r = new SubtractFunction();
1553	>	final NoopConsumer[] rs = new NoopConsumer[4];
1554	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1555
1556	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1557	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1558		assertTrue(f.cancel(mayInterruptIfRunning));
1559	<	g.complete(v1);
1560	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1559	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1560	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1561
1562	<	checkCompletedWithWrappedCancellationException(h);
1562	>	checkCompletedWithWrappedCancellationException(h0);
1563	>	checkCompletedWithWrappedCancellationException(h1);
1564	>	checkCompletedWithWrappedCancellationException(h2);
1565	>	checkCompletedWithWrappedCancellationException(h3);
1566		checkCancelled(f);
1567	<	assertEquals(r.invocationCount, 0);
1568	<	checkCompletedNormally(g, v1);
1244	<	}
1245	<	}
1567	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1568	>	}}
1569
1570		/**
1571	<	* thenAcceptBoth result completes normally after normal
1249	<	* completion of sources
1571	>	* thenAccept result completes exceptionally if action does
1572		*/
1573	<	public void testThenAcceptBoth_normalCompletion1() {
1573	>	public void testThenAccept_actionFailed() {
1574		for (ExecutionMode m : ExecutionMode.values())
1575		for (Integer v1 : new Integer[] { 1, null })
1576	<	for (Integer v2 : new Integer[] { 2, null }) {
1255	<
1576	>	{
1577		final CompletableFuture<Integer> f = new CompletableFuture<>();
1578	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1579	<	final SubtractAction r = new SubtractAction();
1259	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1578	>	final FailingConsumer[] rs = new FailingConsumer[4];
1579	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1580
1581	<	f.complete(v1);
1582	<	checkIncomplete(h);
1583	<	assertFalse(r.ran());
1584	<	g.complete(v2);
1581	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1582	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1583	>	assertTrue(f.complete(v1));
1584	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1585	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1586
1587	<	checkCompletedNormally(h, null);
1588	<	assertEquals(r.value, subtract(v1, v2));
1587	>	checkCompletedWithWrappedCFException(h0);
1588	>	checkCompletedWithWrappedCFException(h1);
1589	>	checkCompletedWithWrappedCFException(h2);
1590	>	checkCompletedWithWrappedCFException(h3);
1591		checkCompletedNormally(f, v1);
1592	<	checkCompletedNormally(g, v2);
1270	<	}
1271	<	}
1592	>	}}
1593
1594	<	public void testThenAcceptBoth_normalCompletion2() {
1594	>	/**
1595	>	* thenCombine result completes normally after normal completion
1596	>	* of sources
1597	>	*/
1598	>	public void testThenCombine_normalCompletion() {
1599		for (ExecutionMode m : ExecutionMode.values())
1600	+	for (boolean fFirst : new boolean[] { true, false })
1601		for (Integer v1 : new Integer[] { 1, null })
1602	<	for (Integer v2 : new Integer[] { 2, null }) {
1603	<
1602	>	for (Integer v2 : new Integer[] { 2, null })
1603	>	{
1604		final CompletableFuture<Integer> f = new CompletableFuture<>();
1605		final CompletableFuture<Integer> g = new CompletableFuture<>();
1606	<	final SubtractAction r = new SubtractAction();
1607	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1608	<
1609	<	g.complete(v2);
1610	<	checkIncomplete(h);
1611	<	assertFalse(r.ran());
1612	<	f.complete(v1);
1606	>	final SubtractFunction[] rs = new SubtractFunction[6];
1607	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1608	>
1609	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1610	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1611	>	final Integer w1 =  fFirst ? v1 : v2;
1612	>	final Integer w2 = !fFirst ? v1 : v2;
1613	>
1614	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1615	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1616	>	assertTrue(fst.complete(w1));
1617	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1618	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1619	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1620	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1621	>	checkCompletedNormally(h1, subtract(w1, w1));
1622	>	checkCompletedNormally(h3, subtract(w1, w1));
1623	>	rs[1].assertValue(subtract(w1, w1));
1624	>	rs[3].assertValue(subtract(w1, w1));
1625	>	assertTrue(snd.complete(w2));
1626	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1627	>
1628	>	checkCompletedNormally(h0, subtract(v1, v2));
1629	>	checkCompletedNormally(h2, subtract(v1, v2));
1630	>	checkCompletedNormally(h4, subtract(v1, v2));
1631	>	rs[0].assertValue(subtract(v1, v2));
1632	>	rs[2].assertValue(subtract(v1, v2));
1633	>	rs[4].assertValue(subtract(v1, v2));
1634
1288	–	checkCompletedNormally(h, null);
1289	–	assertEquals(r.value, subtract(v1, v2));
1635		checkCompletedNormally(f, v1);
1636		checkCompletedNormally(g, v2);
1637	<	}
1293	<	}
1637	>	}}
1638
1639	<	public void testThenAcceptBoth_normalCompletion3() {
1639	>	/**
1640	>	* thenCombine result completes exceptionally after exceptional
1641	>	* completion of either source
1642	>	*/
1643	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1644		for (ExecutionMode m : ExecutionMode.values())
1645	+	for (boolean fFirst : new boolean[] { true, false })
1646	+	for (boolean failFirst : new boolean[] { true, false })
1647		for (Integer v1 : new Integer[] { 1, null })
1648	<	for (Integer v2 : new Integer[] { 2, null }) {
1299	<
1648	>	{
1649		final CompletableFuture<Integer> f = new CompletableFuture<>();
1650		final CompletableFuture<Integer> g = new CompletableFuture<>();
1651	<	final SubtractAction r = new SubtractAction();
1652	<
1653	<	g.complete(v2);
1654	<	f.complete(v1);
1655	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1656	<
1657	<	checkCompletedNormally(h, null);
1658	<	assertEquals(r.value, subtract(v1, v2));
1659	<	checkCompletedNormally(f, v1);
1660	<	checkCompletedNormally(g, v2);
1661	<	}
1662	<	}
1651	>	final CFException ex = new CFException();
1652	>	final SubtractFunction r1 = new SubtractFunction(m);
1653	>	final SubtractFunction r2 = new SubtractFunction(m);
1654	>	final SubtractFunction r3 = new SubtractFunction(m);
1655	>
1656	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1657	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1658	>	final Callable<Boolean> complete1 = failFirst ?
1659	>	() -> fst.completeExceptionally(ex) :
1660	>	() -> fst.complete(v1);
1661	>	final Callable<Boolean> complete2 = failFirst ?
1662	>	() -> snd.complete(v1) :
1663	>	() -> snd.completeExceptionally(ex);
1664	>
1665	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1666	>	assertTrue(complete1.call());
1667	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1668	>	checkIncomplete(h1);
1669	>	checkIncomplete(h2);
1670	>	assertTrue(complete2.call());
1671	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1672	>
1673	>	checkCompletedWithWrappedException(h1, ex);
1674	>	checkCompletedWithWrappedException(h2, ex);
1675	>	checkCompletedWithWrappedException(h3, ex);
1676	>	r1.assertNotInvoked();
1677	>	r2.assertNotInvoked();
1678	>	r3.assertNotInvoked();
1679	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1680	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1681	>	}}
1682
1683	<	public void testThenAcceptBoth_normalCompletion4() {
1683	>	/**
1684	>	* thenCombine result completes exceptionally if either source cancelled
1685	>	*/
1686	>	public void testThenCombine_sourceCancelled() throws Throwable {
1687		for (ExecutionMode m : ExecutionMode.values())
1688	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1689	+	for (boolean fFirst : new boolean[] { true, false })
1690	+	for (boolean failFirst : new boolean[] { true, false })
1691		for (Integer v1 : new Integer[] { 1, null })
1692	<	for (Integer v2 : new Integer[] { 2, null }) {
1319	<
1692	>	{
1693		final CompletableFuture<Integer> f = new CompletableFuture<>();
1694		final CompletableFuture<Integer> g = new CompletableFuture<>();
1695	<	final SubtractAction r = new SubtractAction();
1696	<
1697	<	f.complete(v1);
1698	<	g.complete(v2);
1699	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1700	<
1701	<	checkCompletedNormally(h, null);
1702	<	assertEquals(r.value, subtract(v1, v2));
1703	<	checkCompletedNormally(f, v1);
1704	<	checkCompletedNormally(g, v2);
1705	<	}
1706	<	}
1695	>	final SubtractFunction r1 = new SubtractFunction(m);
1696	>	final SubtractFunction r2 = new SubtractFunction(m);
1697	>	final SubtractFunction r3 = new SubtractFunction(m);
1698	>
1699	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1700	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1701	>	final Callable<Boolean> complete1 = failFirst ?
1702	>	() -> fst.cancel(mayInterruptIfRunning) :
1703	>	() -> fst.complete(v1);
1704	>	final Callable<Boolean> complete2 = failFirst ?
1705	>	() -> snd.complete(v1) :
1706	>	() -> snd.cancel(mayInterruptIfRunning);
1707	>
1708	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1709	>	assertTrue(complete1.call());
1710	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1711	>	checkIncomplete(h1);
1712	>	checkIncomplete(h2);
1713	>	assertTrue(complete2.call());
1714	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1715	>
1716	>	checkCompletedWithWrappedCancellationException(h1);
1717	>	checkCompletedWithWrappedCancellationException(h2);
1718	>	checkCompletedWithWrappedCancellationException(h3);
1719	>	r1.assertNotInvoked();
1720	>	r2.assertNotInvoked();
1721	>	r3.assertNotInvoked();
1722	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1723	>	checkCancelled(failFirst ? fst : snd);
1724	>	}}
1725
1726		/**
1727	<	* thenAcceptBoth result completes exceptionally after exceptional
1337	<	* completion of either source
1727	>	* thenCombine result completes exceptionally if action does
1728		*/
1729	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1340	<	for (ExecutionMode m : ExecutionMode.values())
1341	<	for (Integer v1 : new Integer[] { 1, null }) {
1342	<
1343	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1344	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1345	<	final SubtractAction r = new SubtractAction();
1346	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1347	<	final CFException ex = new CFException();
1348	<
1349	<	f.completeExceptionally(ex);
1350	<	checkIncomplete(h);
1351	<	g.complete(v1);
1352	<
1353	<	checkCompletedWithWrappedCFException(h, ex);
1354	<	checkCompletedWithWrappedCFException(f, ex);
1355	<	assertEquals(r.invocationCount, 0);
1356	<	checkCompletedNormally(g, v1);
1357	<	}
1358	<	}
1359	<
1360	<	public void testThenAcceptBoth_exceptionalCompletion2() {
1729	>	public void testThenCombine_actionFailed() {
1730		for (ExecutionMode m : ExecutionMode.values())
1731	<	for (Integer v1 : new Integer[] { 1, null }) {
1732	<
1731	>	for (boolean fFirst : new boolean[] { true, false })
1732	>	for (Integer v1 : new Integer[] { 1, null })
1733	>	for (Integer v2 : new Integer[] { 2, null })
1734	>	{
1735		final CompletableFuture<Integer> f = new CompletableFuture<>();
1736		final CompletableFuture<Integer> g = new CompletableFuture<>();
1737	<	final SubtractAction r = new SubtractAction();
1738	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1739	<	final CFException ex = new CFException();
1369	<
1370	<	g.completeExceptionally(ex);
1371	<	checkIncomplete(h);
1372	<	f.complete(v1);
1373	<
1374	<	checkCompletedWithWrappedCFException(h, ex);
1375	<	checkCompletedWithWrappedCFException(g, ex);
1376	<	assertEquals(r.invocationCount, 0);
1377	<	checkCompletedNormally(f, v1);
1378	<	}
1379	<	}
1380	<
1381	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1382	<	for (ExecutionMode m : ExecutionMode.values())
1383	<	for (Integer v1 : new Integer[] { 1, null }) {
1737	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1738	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1739	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1740
1741	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1742	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1743	<	final SubtractAction r = new SubtractAction();
1744	<	final CFException ex = new CFException();
1741	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1742	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1743	>	final Integer w1 =  fFirst ? v1 : v2;
1744	>	final Integer w2 = !fFirst ? v1 : v2;
1745
1746	<	g.completeExceptionally(ex);
1747	<	f.complete(v1);
1748	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1746	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1747	>	assertTrue(fst.complete(w1));
1748	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1749	>	assertTrue(snd.complete(w2));
1750	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1751
1752	<	checkCompletedWithWrappedCFException(h, ex);
1753	<	checkCompletedWithWrappedCFException(g, ex);
1754	<	assertEquals(r.invocationCount, 0);
1752	>	checkCompletedWithWrappedCFException(h1);
1753	>	checkCompletedWithWrappedCFException(h2);
1754	>	checkCompletedWithWrappedCFException(h3);
1755	>	r1.assertInvoked();
1756	>	r2.assertInvoked();
1757	>	r3.assertInvoked();
1758		checkCompletedNormally(f, v1);
1759	<	}
1760	<	}
1400	<
1401	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1402	<	for (ExecutionMode m : ExecutionMode.values())
1403	<	for (Integer v1 : new Integer[] { 1, null }) {
1404	<
1405	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1406	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1407	<	final SubtractAction r = new SubtractAction();
1408	<	final CFException ex = new CFException();
1409	<
1410	<	f.completeExceptionally(ex);
1411	<	g.complete(v1);
1412	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1413	<
1414	<	checkCompletedWithWrappedCFException(h, ex);
1415	<	checkCompletedWithWrappedCFException(f, ex);
1416	<	assertFalse(r.ran());
1417	<	checkCompletedNormally(g, v1);
1418	<	}
1419	<	}
1759	>	checkCompletedNormally(g, v2);
1760	>	}}
1761
1762		/**
1763	<	* thenAcceptBoth result completes exceptionally if action does
1763	>	* thenAcceptBoth result completes normally after normal
1764	>	* completion of sources
1765		*/
1766	<	public void testThenAcceptBoth_actionFailed1() {
1766	>	public void testThenAcceptBoth_normalCompletion() {
1767		for (ExecutionMode m : ExecutionMode.values())
1768	+	for (boolean fFirst : new boolean[] { true, false })
1769		for (Integer v1 : new Integer[] { 1, null })
1770	<	for (Integer v2 : new Integer[] { 2, null }) {
1771	<
1770	>	for (Integer v2 : new Integer[] { 2, null })
1771	>	{
1772		final CompletableFuture<Integer> f = new CompletableFuture<>();
1773		final CompletableFuture<Integer> g = new CompletableFuture<>();
1774	<	final FailingBiConsumer r = new FailingBiConsumer();
1775	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1776	<
1777	<	f.complete(v1);
1778	<	checkIncomplete(h);
1779	<	g.complete(v2);
1780	<
1781	<	checkCompletedWithWrappedCFException(h);
1774	>	final SubtractAction r1 = new SubtractAction(m);
1775	>	final SubtractAction r2 = new SubtractAction(m);
1776	>	final SubtractAction r3 = new SubtractAction(m);
1777	>
1778	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1779	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1780	>	final Integer w1 =  fFirst ? v1 : v2;
1781	>	final Integer w2 = !fFirst ? v1 : v2;
1782	>
1783	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1784	>	assertTrue(fst.complete(w1));
1785	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1786	>	checkIncomplete(h1);
1787	>	checkIncomplete(h2);
1788	>	r1.assertNotInvoked();
1789	>	r2.assertNotInvoked();
1790	>	assertTrue(snd.complete(w2));
1791	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1792	>
1793	>	checkCompletedNormally(h1, null);
1794	>	checkCompletedNormally(h2, null);
1795	>	checkCompletedNormally(h3, null);
1796	>	r1.assertValue(subtract(v1, v2));
1797	>	r2.assertValue(subtract(v1, v2));
1798	>	r3.assertValue(subtract(v1, v2));
1799		checkCompletedNormally(f, v1);
1800		checkCompletedNormally(g, v2);
1801	<	}
1442	<	}
1801	>	}}
1802
1803	<	public void testThenAcceptBoth_actionFailed2() {
1803	>	/**
1804	>	* thenAcceptBoth result completes exceptionally after exceptional
1805	>	* completion of either source
1806	>	*/
1807	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1808		for (ExecutionMode m : ExecutionMode.values())
1809	+	for (boolean fFirst : new boolean[] { true, false })
1810	+	for (boolean failFirst : new boolean[] { true, false })
1811		for (Integer v1 : new Integer[] { 1, null })
1812	<	for (Integer v2 : new Integer[] { 2, null }) {
1448	<
1812	>	{
1813		final CompletableFuture<Integer> f = new CompletableFuture<>();
1814		final CompletableFuture<Integer> g = new CompletableFuture<>();
1815	<	final FailingBiConsumer r = new FailingBiConsumer();
1816	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1817	<
1818	<	g.complete(v2);
1819	<	checkIncomplete(h);
1820	<	f.complete(v1);
1821	<
1822	<	checkCompletedWithWrappedCFException(h);
1823	<	checkCompletedNormally(f, v1);
1824	<	checkCompletedNormally(g, v2);
1825	<	}
1826	<	}
1815	>	final CFException ex = new CFException();
1816	>	final SubtractAction r1 = new SubtractAction(m);
1817	>	final SubtractAction r2 = new SubtractAction(m);
1818	>	final SubtractAction r3 = new SubtractAction(m);
1819	>
1820	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1821	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1822	>	final Callable<Boolean> complete1 = failFirst ?
1823	>	() -> fst.completeExceptionally(ex) :
1824	>	() -> fst.complete(v1);
1825	>	final Callable<Boolean> complete2 = failFirst ?
1826	>	() -> snd.complete(v1) :
1827	>	() -> snd.completeExceptionally(ex);
1828	>
1829	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1830	>	assertTrue(complete1.call());
1831	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1832	>	checkIncomplete(h1);
1833	>	checkIncomplete(h2);
1834	>	assertTrue(complete2.call());
1835	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1836	>
1837	>	checkCompletedWithWrappedException(h1, ex);
1838	>	checkCompletedWithWrappedException(h2, ex);
1839	>	checkCompletedWithWrappedException(h3, ex);
1840	>	r1.assertNotInvoked();
1841	>	r2.assertNotInvoked();
1842	>	r3.assertNotInvoked();
1843	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1844	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1845	>	}}
1846
1847		/**
1848		* thenAcceptBoth result completes exceptionally if either source cancelled
1849		*/
1850	<	public void testThenAcceptBoth_sourceCancelled1() {
1850	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1851		for (ExecutionMode m : ExecutionMode.values())
1852		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1853	<	for (Integer v1 : new Integer[] { 1, null }) {
1854	<
1855	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1856	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1474	<	final SubtractAction r = new SubtractAction();
1475	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1476	<
1477	<	assertTrue(f.cancel(mayInterruptIfRunning));
1478	<	checkIncomplete(h);
1479	<	g.complete(v1);
1480	<
1481	<	checkCompletedWithWrappedCancellationException(h);
1482	<	checkCancelled(f);
1483	<	assertEquals(r.invocationCount, 0);
1484	<	checkCompletedNormally(g, v1);
1485	<	}
1486	<	}
1487	<
1488	<	public void testThenAcceptBoth_sourceCancelled2() {
1489	<	for (ExecutionMode m : ExecutionMode.values())
1490	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1491	<	for (Integer v1 : new Integer[] { 1, null }) {
1492	<
1493	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1494	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1495	<	final SubtractAction r = new SubtractAction();
1496	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1497	<
1498	<	assertTrue(g.cancel(mayInterruptIfRunning));
1499	<	checkIncomplete(h);
1500	<	f.complete(v1);
1501	<
1502	<	checkCompletedWithWrappedCancellationException(h);
1503	<	checkCancelled(g);
1504	<	assertEquals(r.invocationCount, 0);
1505	<	checkCompletedNormally(f, v1);
1506	<	}
1507	<	}
1508	<
1509	<	public void testThenAcceptBoth_sourceCancelled3() {
1510	<	for (ExecutionMode m : ExecutionMode.values())
1511	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1512	<	for (Integer v1 : new Integer[] { 1, null }) {
1513	<
1514	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1515	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1516	<	final SubtractAction r = new SubtractAction();
1517	<
1518	<	assertTrue(g.cancel(mayInterruptIfRunning));
1519	<	f.complete(v1);
1520	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1521	<
1522	<	checkCompletedWithWrappedCancellationException(h);
1523	<	checkCancelled(g);
1524	<	assertEquals(r.invocationCount, 0);
1525	<	checkCompletedNormally(f, v1);
1526	<	}
1527	<	}
1528	<
1529	<	public void testThenAcceptBoth_sourceCancelled4() {
1530	<	for (ExecutionMode m : ExecutionMode.values())
1531	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1532	<	for (Integer v1 : new Integer[] { 1, null }) {
1533	<
1853	>	for (boolean fFirst : new boolean[] { true, false })
1854	>	for (boolean failFirst : new boolean[] { true, false })
1855	>	for (Integer v1 : new Integer[] { 1, null })
1856	>	{
1857		final CompletableFuture<Integer> f = new CompletableFuture<>();
1858		final CompletableFuture<Integer> g = new CompletableFuture<>();
1859	<	final SubtractAction r = new SubtractAction();
1860	<
1861	<	assertTrue(f.cancel(mayInterruptIfRunning));
1862	<	g.complete(v1);
1863	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1864	<
1865	<	checkCompletedWithWrappedCancellationException(h);
1866	<	checkCancelled(f);
1867	<	assertEquals(r.invocationCount, 0);
1868	<	checkCompletedNormally(g, v1);
1869	<	}
1870	<	}
1859	>	final SubtractAction r1 = new SubtractAction(m);
1860	>	final SubtractAction r2 = new SubtractAction(m);
1861	>	final SubtractAction r3 = new SubtractAction(m);
1862	>
1863	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1864	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1865	>	final Callable<Boolean> complete1 = failFirst ?
1866	>	() -> fst.cancel(mayInterruptIfRunning) :
1867	>	() -> fst.complete(v1);
1868	>	final Callable<Boolean> complete2 = failFirst ?
1869	>	() -> snd.complete(v1) :
1870	>	() -> snd.cancel(mayInterruptIfRunning);
1871	>
1872	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1873	>	assertTrue(complete1.call());
1874	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1875	>	checkIncomplete(h1);
1876	>	checkIncomplete(h2);
1877	>	assertTrue(complete2.call());
1878	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1879	>
1880	>	checkCompletedWithWrappedCancellationException(h1);
1881	>	checkCompletedWithWrappedCancellationException(h2);
1882	>	checkCompletedWithWrappedCancellationException(h3);
1883	>	r1.assertNotInvoked();
1884	>	r2.assertNotInvoked();
1885	>	r3.assertNotInvoked();
1886	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1887	>	checkCancelled(failFirst ? fst : snd);
1888	>	}}
1889
1890		/**
1891	<	* runAfterBoth result completes normally after normal
1551	<	* completion of sources
1891	>	* thenAcceptBoth result completes exceptionally if action does
1892		*/
1893	<	public void testRunAfterBoth_normalCompletion1() {
1893	>	public void testThenAcceptBoth_actionFailed() {
1894		for (ExecutionMode m : ExecutionMode.values())
1895	+	for (boolean fFirst : new boolean[] { true, false })
1896		for (Integer v1 : new Integer[] { 1, null })
1897	<	for (Integer v2 : new Integer[] { 2, null }) {
1898	<
1897	>	for (Integer v2 : new Integer[] { 2, null })
1898	>	{
1899		final CompletableFuture<Integer> f = new CompletableFuture<>();
1900		final CompletableFuture<Integer> g = new CompletableFuture<>();
1901	<	final Noop r = new Noop();
1902	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1901	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1902	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1903	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1904
1905	<	f.complete(v1);
1906	<	checkIncomplete(h);
1907	<	assertFalse(r.ran);
1908	<	g.complete(v2);
1567	<
1568	<	checkCompletedNormally(h, null);
1569	<	assertEquals(r.invocationCount, 1);
1570	<	checkCompletedNormally(f, v1);
1571	<	checkCompletedNormally(g, v2);
1572	<	}
1573	<	}
1905	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1906	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1907	>	final Integer w1 =  fFirst ? v1 : v2;
1908	>	final Integer w2 = !fFirst ? v1 : v2;
1909
1910	<	public void testRunAfterBoth_normalCompletion2() {
1911	<	for (ExecutionMode m : ExecutionMode.values())
1912	<	for (Integer v1 : new Integer[] { 1, null })
1913	<	for (Integer v2 : new Integer[] { 2, null }) {
1914	<
1580	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1581	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1582	<	final Noop r = new Noop();
1583	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1584	<
1585	<	g.complete(v2);
1586	<	checkIncomplete(h);
1587	<	assertFalse(r.ran);
1588	<	f.complete(v1);
1910	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1911	>	assertTrue(fst.complete(w1));
1912	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1913	>	assertTrue(snd.complete(w2));
1914	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1915
1916	<	checkCompletedNormally(h, null);
1917	<	assertEquals(r.invocationCount, 1);
1916	>	checkCompletedWithWrappedCFException(h1);
1917	>	checkCompletedWithWrappedCFException(h2);
1918	>	checkCompletedWithWrappedCFException(h3);
1919	>	r1.assertInvoked();
1920	>	r2.assertInvoked();
1921	>	r3.assertInvoked();
1922		checkCompletedNormally(f, v1);
1923		checkCompletedNormally(g, v2);
1924	<	}
1595	<	}
1596	<
1597	<	public void testRunAfterBoth_normalCompletion3() {
1598	<	for (ExecutionMode m : ExecutionMode.values())
1599	<	for (Integer v1 : new Integer[] { 1, null })
1600	<	for (Integer v2 : new Integer[] { 2, null }) {
1601	<
1602	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1603	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1604	<	final Noop r = new Noop();
1605	<
1606	<	g.complete(v2);
1607	<	f.complete(v1);
1608	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1924	>	}}
1925
1926	<	checkCompletedNormally(h, null);
1927	<	assertTrue(r.ran);
1928	<	checkCompletedNormally(f, v1);
1929	<	checkCompletedNormally(g, v2);
1930	<	}
1615	<	}
1616	<
1617	<	public void testRunAfterBoth_normalCompletion4() {
1926	>	/**
1927	>	* runAfterBoth result completes normally after normal
1928	>	* completion of sources
1929	>	*/
1930	>	public void testRunAfterBoth_normalCompletion() {
1931		for (ExecutionMode m : ExecutionMode.values())
1932	+	for (boolean fFirst : new boolean[] { true, false })
1933		for (Integer v1 : new Integer[] { 1, null })
1934	<	for (Integer v2 : new Integer[] { 2, null }) {
1935	<
1934	>	for (Integer v2 : new Integer[] { 2, null })
1935	>	{
1936		final CompletableFuture<Integer> f = new CompletableFuture<>();
1937		final CompletableFuture<Integer> g = new CompletableFuture<>();
1938	<	final Noop r = new Noop();
1939	<
1940	<	f.complete(v1);
1941	<	g.complete(v2);
1942	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1943	<
1944	<	checkCompletedNormally(h, null);
1945	<	assertEquals(r.invocationCount, 1);
1938	>	final Noop r1 = new Noop(m);
1939	>	final Noop r2 = new Noop(m);
1940	>	final Noop r3 = new Noop(m);
1941	>
1942	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1943	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1944	>	final Integer w1 =  fFirst ? v1 : v2;
1945	>	final Integer w2 = !fFirst ? v1 : v2;
1946	>
1947	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1948	>	assertTrue(fst.complete(w1));
1949	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1950	>	checkIncomplete(h1);
1951	>	checkIncomplete(h2);
1952	>	r1.assertNotInvoked();
1953	>	r2.assertNotInvoked();
1954	>	assertTrue(snd.complete(w2));
1955	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1956	>
1957	>	checkCompletedNormally(h1, null);
1958	>	checkCompletedNormally(h2, null);
1959	>	checkCompletedNormally(h3, null);
1960	>	r1.assertInvoked();
1961	>	r2.assertInvoked();
1962	>	r3.assertInvoked();
1963		checkCompletedNormally(f, v1);
1964		checkCompletedNormally(g, v2);
1965	<	}
1635	<	}
1965	>	}}
1966
1967		/**
1968		* runAfterBoth result completes exceptionally after exceptional
1969		* completion of either source
1970		*/
1971	<	public void testRunAfterBoth_exceptionalCompletion1() {
1642	<	for (ExecutionMode m : ExecutionMode.values())
1643	<	for (Integer v1 : new Integer[] { 1, null }) {
1644	<
1645	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1646	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1647	<	final Noop r = new Noop();
1648	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1649	<	final CFException ex = new CFException();
1650	<
1651	<	f.completeExceptionally(ex);
1652	<	checkIncomplete(h);
1653	<	g.complete(v1);
1654	<
1655	<	checkCompletedWithWrappedCFException(h, ex);
1656	<	checkCompletedWithWrappedCFException(f, ex);
1657	<	assertEquals(r.invocationCount, 0);
1658	<	checkCompletedNormally(g, v1);
1659	<	}
1660	<	}
1661	<
1662	<	public void testRunAfterBoth_exceptionalCompletion2() {
1663	<	for (ExecutionMode m : ExecutionMode.values())
1664	<	for (Integer v1 : new Integer[] { 1, null }) {
1665	<
1666	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1667	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1668	<	final Noop r = new Noop();
1669	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1670	<	final CFException ex = new CFException();
1671	<
1672	<	g.completeExceptionally(ex);
1673	<	checkIncomplete(h);
1674	<	f.complete(v1);
1675	<
1676	<	checkCompletedWithWrappedCFException(h, ex);
1677	<	checkCompletedWithWrappedCFException(g, ex);
1678	<	assertEquals(r.invocationCount, 0);
1679	<	checkCompletedNormally(f, v1);
1680	<	}
1681	<	}
1682	<
1683	<	public void testRunAfterBoth_exceptionalCompletion3() {
1684	<	for (ExecutionMode m : ExecutionMode.values())
1685	<	for (Integer v1 : new Integer[] { 1, null }) {
1686	<
1687	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1688	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1689	<	final Noop r = new Noop();
1690	<	final CFException ex = new CFException();
1691	<
1692	<	g.completeExceptionally(ex);
1693	<	f.complete(v1);
1694	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1695	<
1696	<	checkCompletedWithWrappedCFException(h, ex);
1697	<	checkCompletedWithWrappedCFException(g, ex);
1698	<	assertEquals(r.invocationCount, 0);
1699	<	checkCompletedNormally(f, v1);
1700	<	}
1701	<	}
1702	<
1703	<	public void testRunAfterBoth_exceptionalCompletion4() {
1971	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1972		for (ExecutionMode m : ExecutionMode.values())
1973	<	for (Integer v1 : new Integer[] { 1, null }) {
1974	<
1973	>	for (boolean fFirst : new boolean[] { true, false })
1974	>	for (boolean failFirst : new boolean[] { true, false })
1975	>	for (Integer v1 : new Integer[] { 1, null })
1976	>	{
1977		final CompletableFuture<Integer> f = new CompletableFuture<>();
1978		final CompletableFuture<Integer> g = new CompletableFuture<>();
1709	–	final Noop r = new Noop();
1979		final CFException ex = new CFException();
1980	<
1981	<	f.completeExceptionally(ex);
1982	<	g.complete(v1);
1983	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1984	<
1985	<	checkCompletedWithWrappedCFException(h, ex);
1986	<	checkCompletedWithWrappedCFException(f, ex);
1987	<	assertEquals(r.invocationCount, 0);
1988	<	checkCompletedNormally(g, v1);
1989	<	}
1990	<	}
1980	>	final Noop r1 = new Noop(m);
1981	>	final Noop r2 = new Noop(m);
1982	>	final Noop r3 = new Noop(m);
1983	>
1984	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1985	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1986	>	final Callable<Boolean> complete1 = failFirst ?
1987	>	() -> fst.completeExceptionally(ex) :
1988	>	() -> fst.complete(v1);
1989	>	final Callable<Boolean> complete2 = failFirst ?
1990	>	() -> snd.complete(v1) :
1991	>	() -> snd.completeExceptionally(ex);
1992	>
1993	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1994	>	assertTrue(complete1.call());
1995	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1996	>	checkIncomplete(h1);
1997	>	checkIncomplete(h2);
1998	>	assertTrue(complete2.call());
1999	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2000	>
2001	>	checkCompletedWithWrappedException(h1, ex);
2002	>	checkCompletedWithWrappedException(h2, ex);
2003	>	checkCompletedWithWrappedException(h3, ex);
2004	>	r1.assertNotInvoked();
2005	>	r2.assertNotInvoked();
2006	>	r3.assertNotInvoked();
2007	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2008	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2009	>	}}
2010
2011		/**
2012	<	* runAfterBoth result completes exceptionally if action does
2012	>	* runAfterBoth result completes exceptionally if either source cancelled
2013		*/
2014	<	public void testRunAfterBoth_actionFailed1() {
1727	<	for (ExecutionMode m : ExecutionMode.values())
1728	<	for (Integer v1 : new Integer[] { 1, null })
1729	<	for (Integer v2 : new Integer[] { 2, null }) {
1730	<
1731	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1732	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1733	<	final FailingNoop r = new FailingNoop();
1734	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1735	<
1736	<	f.complete(v1);
1737	<	checkIncomplete(h);
1738	<	g.complete(v2);
1739	<
1740	<	checkCompletedWithWrappedCFException(h);
1741	<	checkCompletedNormally(f, v1);
1742	<	checkCompletedNormally(g, v2);
1743	<	}
1744	<	}
1745	<
1746	<	public void testRunAfterBoth_actionFailed2() {
2014	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2015		for (ExecutionMode m : ExecutionMode.values())
2016	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2017	+	for (boolean fFirst : new boolean[] { true, false })
2018	+	for (boolean failFirst : new boolean[] { true, false })
2019		for (Integer v1 : new Integer[] { 1, null })
2020	<	for (Integer v2 : new Integer[] { 2, null }) {
1750	<
2020	>	{
2021		final CompletableFuture<Integer> f = new CompletableFuture<>();
2022		final CompletableFuture<Integer> g = new CompletableFuture<>();
2023	<	final FailingNoop r = new FailingNoop();
2024	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2025	<
2026	<	g.complete(v2);
2027	<	checkIncomplete(h);
2028	<	f.complete(v1);
2029	<
2030	<	checkCompletedWithWrappedCFException(h);
2031	<	checkCompletedNormally(f, v1);
2032	<	checkCompletedNormally(g, v2);
2033	<	}
2034	<	}
2023	>	final Noop r1 = new Noop(m);
2024	>	final Noop r2 = new Noop(m);
2025	>	final Noop r3 = new Noop(m);
2026	>
2027	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2028	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2029	>	final Callable<Boolean> complete1 = failFirst ?
2030	>	() -> fst.cancel(mayInterruptIfRunning) :
2031	>	() -> fst.complete(v1);
2032	>	final Callable<Boolean> complete2 = failFirst ?
2033	>	() -> snd.complete(v1) :
2034	>	() -> snd.cancel(mayInterruptIfRunning);
2035	>
2036	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2037	>	assertTrue(complete1.call());
2038	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2039	>	checkIncomplete(h1);
2040	>	checkIncomplete(h2);
2041	>	assertTrue(complete2.call());
2042	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2043	>
2044	>	checkCompletedWithWrappedCancellationException(h1);
2045	>	checkCompletedWithWrappedCancellationException(h2);
2046	>	checkCompletedWithWrappedCancellationException(h3);
2047	>	r1.assertNotInvoked();
2048	>	r2.assertNotInvoked();
2049	>	r3.assertNotInvoked();
2050	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2051	>	checkCancelled(failFirst ? fst : snd);
2052	>	}}
2053
2054		/**
2055	<	* runAfterBoth result completes exceptionally if either source cancelled
2055	>	* runAfterBoth result completes exceptionally if action does
2056		*/
2057	<	public void testRunAfterBoth_sourceCancelled1() {
2057	>	public void testRunAfterBoth_actionFailed() {
2058		for (ExecutionMode m : ExecutionMode.values())
2059	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2060	<	for (Integer v1 : new Integer[] { 1, null }) {
2061	<
2062	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1775	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1776	<	final Noop r = new Noop();
1777	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1778	<
1779	<	assertTrue(f.cancel(mayInterruptIfRunning));
1780	<	checkIncomplete(h);
1781	<	g.complete(v1);
1782	<
1783	<	checkCompletedWithWrappedCancellationException(h);
1784	<	checkCancelled(f);
1785	<	assertEquals(r.invocationCount, 0);
1786	<	checkCompletedNormally(g, v1);
1787	<	}
1788	<	}
1789	<
1790	<	public void testRunAfterBoth_sourceCancelled2() {
1791	<	for (ExecutionMode m : ExecutionMode.values())
1792	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1793	<	for (Integer v1 : new Integer[] { 1, null }) {
1794	<
2059	>	for (boolean fFirst : new boolean[] { true, false })
2060	>	for (Integer v1 : new Integer[] { 1, null })
2061	>	for (Integer v2 : new Integer[] { 2, null })
2062	>	{
2063		final CompletableFuture<Integer> f = new CompletableFuture<>();
2064		final CompletableFuture<Integer> g = new CompletableFuture<>();
2065	<	final Noop r = new Noop();
2066	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2067	<
1800	<	assertTrue(g.cancel(mayInterruptIfRunning));
1801	<	checkIncomplete(h);
1802	<	f.complete(v1);
1803	<
1804	<	checkCompletedWithWrappedCancellationException(h);
1805	<	checkCancelled(g);
1806	<	assertEquals(r.invocationCount, 0);
1807	<	checkCompletedNormally(f, v1);
1808	<	}
1809	<	}
2065	>	final FailingRunnable r1 = new FailingRunnable(m);
2066	>	final FailingRunnable r2 = new FailingRunnable(m);
2067	>	final FailingRunnable r3 = new FailingRunnable(m);
2068
2069	<	public void testRunAfterBoth_sourceCancelled3() {
2070	<	for (ExecutionMode m : ExecutionMode.values())
2071	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2072	<	for (Integer v1 : new Integer[] { 1, null }) {
1815	<
1816	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1817	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1818	<	final Noop r = new Noop();
2069	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2070	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2071	>	final Integer w1 =  fFirst ? v1 : v2;
2072	>	final Integer w2 = !fFirst ? v1 : v2;
2073
2074	<	assertTrue(g.cancel(mayInterruptIfRunning));
2075	<	f.complete(v1);
2076	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2074	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2075	>	assertTrue(fst.complete(w1));
2076	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2077	>	assertTrue(snd.complete(w2));
2078	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2079
2080	<	checkCompletedWithWrappedCancellationException(h);
2081	<	checkCancelled(g);
2082	<	assertEquals(r.invocationCount, 0);
2080	>	checkCompletedWithWrappedCFException(h1);
2081	>	checkCompletedWithWrappedCFException(h2);
2082	>	checkCompletedWithWrappedCFException(h3);
2083	>	r1.assertInvoked();
2084	>	r2.assertInvoked();
2085	>	r3.assertInvoked();
2086		checkCompletedNormally(f, v1);
2087	<	}
2088	<	}
1830	<
1831	<	public void testRunAfterBoth_sourceCancelled4() {
1832	<	for (ExecutionMode m : ExecutionMode.values())
1833	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1834	<	for (Integer v1 : new Integer[] { 1, null }) {
1835	<
1836	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1837	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1838	<	final Noop r = new Noop();
1839	<
1840	<	assertTrue(f.cancel(mayInterruptIfRunning));
1841	<	g.complete(v1);
1842	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1843	<
1844	<	checkCompletedWithWrappedCancellationException(h);
1845	<	checkCancelled(f);
1846	<	assertEquals(r.invocationCount, 0);
1847	<	checkCompletedNormally(g, v1);
1848	<	}
1849	<	}
2087	>	checkCompletedNormally(g, v2);
2088	>	}}
2089
2090		/**
2091		* applyToEither result completes normally after normal completion
2092		* of either source
2093		*/
2094	<	public void testApplyToEither_normalCompletion1() {
2094	>	public void testApplyToEither_normalCompletion() {
2095		for (ExecutionMode m : ExecutionMode.values())
2096		for (Integer v1 : new Integer[] { 1, null })
2097	<	for (Integer v2 : new Integer[] { 2, null }) {
2098	<
2097	>	for (Integer v2 : new Integer[] { 2, null })
2098	>	{
2099		final CompletableFuture<Integer> f = new CompletableFuture<>();
2100		final CompletableFuture<Integer> g = new CompletableFuture<>();
2101	<	final IncFunction r = new IncFunction();
2102	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2101	>	final IncFunction[] rs = new IncFunction[6];
2102	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2103
2104	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2105	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2106	+	checkIncomplete(h0);
2107	+	checkIncomplete(h1);
2108	+	rs[0].assertNotInvoked();
2109	+	rs[1].assertNotInvoked();
2110		f.complete(v1);
2111	<	checkCompletedNormally(h, inc(v1));
2111	>	checkCompletedNormally(h0, inc(v1));
2112	>	checkCompletedNormally(h1, inc(v1));
2113	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2114	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2115	>	checkCompletedNormally(h2, inc(v1));
2116	>	checkCompletedNormally(h3, inc(v1));
2117		g.complete(v2);
2118
2119	<	checkCompletedNormally(f, v1);
2120	<	checkCompletedNormally(g, v2);
2121	<	checkCompletedNormally(h, inc(v1));
2122	<	}
2123	<	}
2124	<
2125	<	public void testApplyToEither_normalCompletion2() {
2126	<	for (ExecutionMode m : ExecutionMode.values())
2127	<	for (Integer v1 : new Integer[] { 1, null })
1878	<	for (Integer v2 : new Integer[] { 2, null }) {
1879	<
1880	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1881	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1882	<	final IncFunction r = new IncFunction();
1883	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1884	<
1885	<	g.complete(v2);
1886	<	checkCompletedNormally(h, inc(v2));
1887	<	f.complete(v1);
2119	>	// unspecified behavior - both source completions available
2120	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2121	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2122	>	rs[4].assertValue(h4.join());
2123	>	rs[5].assertValue(h5.join());
2124	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2125	>	Objects.equals(inc(v2), h4.join()));
2126	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2127	>	Objects.equals(inc(v2), h5.join()));
2128
2129		checkCompletedNormally(f, v1);
2130		checkCompletedNormally(g, v2);
2131	<	checkCompletedNormally(h, inc(v2));
2132	<	}
2133	<	}
2134	<	public void testApplyToEither_normalCompletion3() {
2135	<	for (ExecutionMode m : ExecutionMode.values())
2136	<	for (Integer v1 : new Integer[] { 1, null })
1897	<	for (Integer v2 : new Integer[] { 2, null }) {
1898	<
1899	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1900	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1901	<	final IncFunction r = new IncFunction();
1902	<
1903	<	f.complete(v1);
1904	<	g.complete(v2);
1905	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1906	<
1907	<	checkCompletedNormally(f, v1);
1908	<	checkCompletedNormally(g, v2);
1909	<
1910	<	// unspecified behavior
1911	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
1912	<	Objects.equals(h.join(), inc(v2)));
1913	<	assertEquals(r.invocationCount, 1);
1914	<	}
1915	<	}
2131	>	checkCompletedNormally(h0, inc(v1));
2132	>	checkCompletedNormally(h1, inc(v1));
2133	>	checkCompletedNormally(h2, inc(v1));
2134	>	checkCompletedNormally(h3, inc(v1));
2135	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2136	>	}}
2137
2138		/**
2139		* applyToEither result completes exceptionally after exceptional
2140		* completion of either source
2141		*/
2142	<	public void testApplyToEither_exceptionalCompletion1() {
2142	>	public void testApplyToEither_exceptionalCompletion() {
2143		for (ExecutionMode m : ExecutionMode.values())
2144	<	for (Integer v1 : new Integer[] { 1, null }) {
2145	<
2144	>	for (Integer v1 : new Integer[] { 1, null })
2145	>	{
2146		final CompletableFuture<Integer> f = new CompletableFuture<>();
2147		final CompletableFuture<Integer> g = new CompletableFuture<>();
1927	–	final IncFunction r = new IncFunction();
1928	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2148		final CFException ex = new CFException();
2149	+	final IncFunction[] rs = new IncFunction[6];
2150	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2151
2152	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2153	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2154	+	checkIncomplete(h0);
2155	+	checkIncomplete(h1);
2156	+	rs[0].assertNotInvoked();
2157	+	rs[1].assertNotInvoked();
2158		f.completeExceptionally(ex);
2159	<	checkCompletedWithWrappedCFException(h, ex);
2159	>	checkCompletedWithWrappedException(h0, ex);
2160	>	checkCompletedWithWrappedException(h1, ex);
2161	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2162	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2163	>	checkCompletedWithWrappedException(h2, ex);
2164	>	checkCompletedWithWrappedException(h3, ex);
2165		g.complete(v1);
2166
2167	<	assertEquals(r.invocationCount, 0);
2168	<	checkCompletedNormally(g, v1);
2169	<	checkCompletedWithWrappedCFException(f, ex);
2170	<	checkCompletedWithWrappedCFException(h, ex);
2171	<	}
2172	<	}
2173	<
2174	<	public void testApplyToEither_exceptionalCompletion2() {
2175	<	for (ExecutionMode m : ExecutionMode.values())
1944	<	for (Integer v1 : new Integer[] { 1, null }) {
1945	<
1946	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1947	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1948	<	final IncFunction r = new IncFunction();
1949	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1950	<	final CFException ex = new CFException();
1951	<
1952	<	g.completeExceptionally(ex);
1953	<	checkCompletedWithWrappedCFException(h, ex);
1954	<	f.complete(v1);
1955	<
1956	<	assertEquals(r.invocationCount, 0);
1957	<	checkCompletedNormally(f, v1);
1958	<	checkCompletedWithWrappedCFException(g, ex);
1959	<	checkCompletedWithWrappedCFException(h, ex);
2167	>	// unspecified behavior - both source completions available
2168	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2169	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2170	>	try {
2171	>	assertEquals(inc(v1), h4.join());
2172	>	rs[4].assertValue(inc(v1));
2173	>	} catch (CompletionException ok) {
2174	>	checkCompletedWithWrappedException(h4, ex);
2175	>	rs[4].assertNotInvoked();
2176		}
1961	–	}
1962	–
1963	–	public void testApplyToEither_exceptionalCompletion3() {
1964	–	for (ExecutionMode m : ExecutionMode.values())
1965	–	for (Integer v1 : new Integer[] { 1, null }) {
1966	–
1967	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
1968	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1969	–	final IncFunction r = new IncFunction();
1970	–	final CFException ex = new CFException();
1971	–
1972	–	g.completeExceptionally(ex);
1973	–	f.complete(v1);
1974	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
1975	–
1976	–	// unspecified behavior
1977	–	Integer v;
2177		try {
2178	<	assertEquals(h.join(), inc(v1));
2179	<	assertEquals(r.invocationCount, 1);
2178	>	assertEquals(inc(v1), h5.join());
2179	>	rs[5].assertValue(inc(v1));
2180		} catch (CompletionException ok) {
2181	<	checkCompletedWithWrappedCFException(h, ex);
2182	<	assertEquals(r.invocationCount, 0);
2181	>	checkCompletedWithWrappedException(h5, ex);
2182	>	rs[5].assertNotInvoked();
2183		}
2184
2185	<	checkCompletedWithWrappedCFException(g, ex);
2186	<	checkCompletedNormally(f, v1);
2187	<	}
2188	<	}
2185	>	checkCompletedExceptionally(f, ex);
2186	>	checkCompletedNormally(g, v1);
2187	>	checkCompletedWithWrappedException(h0, ex);
2188	>	checkCompletedWithWrappedException(h1, ex);
2189	>	checkCompletedWithWrappedException(h2, ex);
2190	>	checkCompletedWithWrappedException(h3, ex);
2191	>	checkCompletedWithWrappedException(h4, ex);
2192	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2193	>	}}
2194
2195	<	public void testApplyToEither_exceptionalCompletion4() {
2195	>	public void testApplyToEither_exceptionalCompletion2() {
2196		for (ExecutionMode m : ExecutionMode.values())
2197	<	for (Integer v1 : new Integer[] { 1, null }) {
2198	<
2197	>	for (boolean fFirst : new boolean[] { true, false })
2198	>	for (Integer v1 : new Integer[] { 1, null })
2199	>	{
2200		final CompletableFuture<Integer> f = new CompletableFuture<>();
2201		final CompletableFuture<Integer> g = new CompletableFuture<>();
1997	–	final IncFunction r = new IncFunction();
2202		final CFException ex = new CFException();
2203	+	final IncFunction[] rs = new IncFunction[6];
2204	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2205
2206	<	f.completeExceptionally(ex);
2207	<	g.complete(v1);
2208	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2206	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2207	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2208	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2209	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2210	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2211	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2212
2213	<	// unspecified behavior
2005	<	Integer v;
2213	>	// unspecified behavior - both source completions available
2214		try {
2215	<	assertEquals(h.join(), inc(v1));
2216	<	assertEquals(r.invocationCount, 1);
2215	>	assertEquals(inc(v1), h0.join());
2216	>	rs[0].assertValue(inc(v1));
2217		} catch (CompletionException ok) {
2218	<	checkCompletedWithWrappedCFException(h, ex);
2219	<	assertEquals(r.invocationCount, 0);
2218	>	checkCompletedWithWrappedException(h0, ex);
2219	>	rs[0].assertNotInvoked();
2220		}
2221	<
2222	<	checkCompletedWithWrappedCFException(f, ex);
2223	<	checkCompletedNormally(g, v1);
2221	>	try {
2222	>	assertEquals(inc(v1), h1.join());
2223	>	rs[1].assertValue(inc(v1));
2224	>	} catch (CompletionException ok) {
2225	>	checkCompletedWithWrappedException(h1, ex);
2226	>	rs[1].assertNotInvoked();
2227		}
2228	<	}
2229	<
2230	<	/**
2231	<	* applyToEither result completes exceptionally if action does
2232	<	*/
2233	<	public void testApplyToEither_actionFailed1() {
2234	<	for (ExecutionMode m : ExecutionMode.values())
2235	<	for (Integer v1 : new Integer[] { 1, null })
2236	<	for (Integer v2 : new Integer[] { 2, null }) {
2237	<
2238	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2239	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2240	<	final FailingFunction r = new FailingFunction();
2030	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2031	<
2032	<	f.complete(v1);
2033	<	checkCompletedWithWrappedCFException(h);
2034	<	g.complete(v2);
2035	<	checkCompletedNormally(f, v1);
2036	<	checkCompletedNormally(g, v2);
2228	>	try {
2229	>	assertEquals(inc(v1), h2.join());
2230	>	rs[2].assertValue(inc(v1));
2231	>	} catch (CompletionException ok) {
2232	>	checkCompletedWithWrappedException(h2, ex);
2233	>	rs[2].assertNotInvoked();
2234	>	}
2235	>	try {
2236	>	assertEquals(inc(v1), h3.join());
2237	>	rs[3].assertValue(inc(v1));
2238	>	} catch (CompletionException ok) {
2239	>	checkCompletedWithWrappedException(h3, ex);
2240	>	rs[3].assertNotInvoked();
2241		}
2038	–	}
2039	–
2040	–	public void testApplyToEither_actionFailed2() {
2041	–	for (ExecutionMode m : ExecutionMode.values())
2042	–	for (Integer v1 : new Integer[] { 1, null })
2043	–	for (Integer v2 : new Integer[] { 2, null }) {
2044	–
2045	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2046	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2047	–	final FailingFunction r = new FailingFunction();
2048	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2242
2050	–	g.complete(v2);
2051	–	checkCompletedWithWrappedCFException(h);
2052	–	f.complete(v1);
2243		checkCompletedNormally(f, v1);
2244	<	checkCompletedNormally(g, v2);
2245	<	}
2056	<	}
2244	>	checkCompletedExceptionally(g, ex);
2245	>	}}
2246
2247		/**
2248		* applyToEither result completes exceptionally if either source cancelled
2249		*/
2250	<	public void testApplyToEither_sourceCancelled1() {
2250	>	public void testApplyToEither_sourceCancelled() {
2251		for (ExecutionMode m : ExecutionMode.values())
2252		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2253	<	for (Integer v1 : new Integer[] { 1, null }) {
2254	<
2253	>	for (Integer v1 : new Integer[] { 1, null })
2254	>	{
2255		final CompletableFuture<Integer> f = new CompletableFuture<>();
2256		final CompletableFuture<Integer> g = new CompletableFuture<>();
2257	<	final IncFunction r = new IncFunction();
2258	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2257	>	final IncFunction[] rs = new IncFunction[6];
2258	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2259
2260	<	assertTrue(f.cancel(mayInterruptIfRunning));
2261	<	checkCompletedWithWrappedCancellationException(h);
2260	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2261	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2262	>	checkIncomplete(h0);
2263	>	checkIncomplete(h1);
2264	>	rs[0].assertNotInvoked();
2265	>	rs[1].assertNotInvoked();
2266	>	f.cancel(mayInterruptIfRunning);
2267	>	checkCompletedWithWrappedCancellationException(h0);
2268	>	checkCompletedWithWrappedCancellationException(h1);
2269	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2270	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2271	>	checkCompletedWithWrappedCancellationException(h2);
2272	>	checkCompletedWithWrappedCancellationException(h3);
2273		g.complete(v1);
2274
2275	+	// unspecified behavior - both source completions available
2276	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2277	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2278	+	try {
2279	+	assertEquals(inc(v1), h4.join());
2280	+	rs[4].assertValue(inc(v1));
2281	+	} catch (CompletionException ok) {
2282	+	checkCompletedWithWrappedCancellationException(h4);
2283	+	rs[4].assertNotInvoked();
2284	+	}
2285	+	try {
2286	+	assertEquals(inc(v1), h5.join());
2287	+	rs[5].assertValue(inc(v1));
2288	+	} catch (CompletionException ok) {
2289	+	checkCompletedWithWrappedCancellationException(h5);
2290	+	rs[5].assertNotInvoked();
2291	+	}
2292	+
2293		checkCancelled(f);
2076	–	assertEquals(r.invocationCount, 0);
2294		checkCompletedNormally(g, v1);
2295	<	checkCompletedWithWrappedCancellationException(h);
2296	<	}
2297	<	}
2295	>	checkCompletedWithWrappedCancellationException(h0);
2296	>	checkCompletedWithWrappedCancellationException(h1);
2297	>	checkCompletedWithWrappedCancellationException(h2);
2298	>	checkCompletedWithWrappedCancellationException(h3);
2299	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2300	>	}}
2301
2302		public void testApplyToEither_sourceCancelled2() {
2303		for (ExecutionMode m : ExecutionMode.values())
2304		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2305	<	for (Integer v1 : new Integer[] { 1, null }) {
2306	<
2305	>	for (boolean fFirst : new boolean[] { true, false })
2306	>	for (Integer v1 : new Integer[] { 1, null })
2307	>	{
2308		final CompletableFuture<Integer> f = new CompletableFuture<>();
2309		final CompletableFuture<Integer> g = new CompletableFuture<>();
2310	<	final IncFunction r = new IncFunction();
2311	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2310	>	final IncFunction[] rs = new IncFunction[6];
2311	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2312
2313	<	assertTrue(g.cancel(mayInterruptIfRunning));
2314	<	checkCompletedWithWrappedCancellationException(h);
2315	<	f.complete(v1);
2313	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2314	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2315	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2316	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2317	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2318	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2319
2320	<	checkCancelled(g);
2321	<	assertEquals(r.invocationCount, 0);
2322	<	checkCompletedNormally(f, v1);
2323	<	checkCompletedWithWrappedCancellationException(h);
2320	>	// unspecified behavior - both source completions available
2321	>	try {
2322	>	assertEquals(inc(v1), h0.join());
2323	>	rs[0].assertValue(inc(v1));
2324	>	} catch (CompletionException ok) {
2325	>	checkCompletedWithWrappedCancellationException(h0);
2326	>	rs[0].assertNotInvoked();
2327		}
2101	–	}
2102	–
2103	–	public void testApplyToEither_sourceCancelled3() {
2104	–	for (ExecutionMode m : ExecutionMode.values())
2105	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2106	–	for (Integer v1 : new Integer[] { 1, null }) {
2107	–
2108	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2109	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2110	–	final IncFunction r = new IncFunction();
2111	–
2112	–	assertTrue(g.cancel(mayInterruptIfRunning));
2113	–	f.complete(v1);
2114	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2115	–
2116	–	// unspecified behavior
2117	–	Integer v;
2328		try {
2329	<	assertEquals(h.join(), inc(v1));
2330	<	assertEquals(r.invocationCount, 1);
2329	>	assertEquals(inc(v1), h1.join());
2330	>	rs[1].assertValue(inc(v1));
2331		} catch (CompletionException ok) {
2332	<	checkCompletedWithWrappedCancellationException(h);
2333	<	assertEquals(r.invocationCount, 0);
2332	>	checkCompletedWithWrappedCancellationException(h1);
2333	>	rs[1].assertNotInvoked();
2334		}
2335	<
2336	<	checkCancelled(g);
2337	<	checkCompletedNormally(f, v1);
2335	>	try {
2336	>	assertEquals(inc(v1), h2.join());
2337	>	rs[2].assertValue(inc(v1));
2338	>	} catch (CompletionException ok) {
2339	>	checkCompletedWithWrappedCancellationException(h2);
2340	>	rs[2].assertNotInvoked();
2341		}
2129	–	}
2130	–
2131	–	public void testApplyToEither_sourceCancelled4() {
2132	–	for (ExecutionMode m : ExecutionMode.values())
2133	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2134	–	for (Integer v1 : new Integer[] { 1, null }) {
2135	–
2136	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2137	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2138	–	final IncFunction r = new IncFunction();
2139	–
2140	–	assertTrue(f.cancel(mayInterruptIfRunning));
2141	–	g.complete(v1);
2142	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2143	–
2144	–	// unspecified behavior
2145	–	Integer v;
2342		try {
2343	<	assertEquals(h.join(), inc(v1));
2344	<	assertEquals(r.invocationCount, 1);
2343	>	assertEquals(inc(v1), h3.join());
2344	>	rs[3].assertValue(inc(v1));
2345		} catch (CompletionException ok) {
2346	<	checkCompletedWithWrappedCancellationException(h);
2347	<	assertEquals(r.invocationCount, 0);
2346	>	checkCompletedWithWrappedCancellationException(h3);
2347	>	rs[3].assertNotInvoked();
2348		}
2349
2350	<	checkCancelled(f);
2351	<	checkCompletedNormally(g, v1);
2352	<	}
2157	<	}
2350	>	checkCompletedNormally(f, v1);
2351	>	checkCancelled(g);
2352	>	}}
2353
2354		/**
2355	<	* acceptEither result completes normally after normal completion
2161	<	* of either source
2355	>	* applyToEither result completes exceptionally if action does
2356		*/
2357	<	public void testAcceptEither_normalCompletion1() {
2357	>	public void testApplyToEither_actionFailed() {
2358		for (ExecutionMode m : ExecutionMode.values())
2359		for (Integer v1 : new Integer[] { 1, null })
2360	<	for (Integer v2 : new Integer[] { 2, null }) {
2361	<
2360	>	for (Integer v2 : new Integer[] { 2, null })
2361	>	{
2362		final CompletableFuture<Integer> f = new CompletableFuture<>();
2363		final CompletableFuture<Integer> g = new CompletableFuture<>();
2364	<	final IncAction r = new IncAction();
2365	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2364	>	final FailingFunction[] rs = new FailingFunction[6];
2365	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2366
2367	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2368	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2369		f.complete(v1);
2370	<	checkCompletedNormally(h, null);
2371	<	assertEquals(r.value, inc(v1));
2372	<	g.complete(v2);
2370	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2371	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2372	>	checkCompletedWithWrappedCFException(h0);
2373	>	checkCompletedWithWrappedCFException(h1);
2374	>	checkCompletedWithWrappedCFException(h2);
2375	>	checkCompletedWithWrappedCFException(h3);
2376	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2377
2378	<	checkCompletedNormally(f, v1);
2179	<	checkCompletedNormally(g, v2);
2180	<	checkCompletedNormally(h, null);
2181	<	}
2182	<	}
2183	<
2184	<	public void testAcceptEither_normalCompletion2() {
2185	<	for (ExecutionMode m : ExecutionMode.values())
2186	<	for (Integer v1 : new Integer[] { 1, null })
2187	<	for (Integer v2 : new Integer[] { 2, null }) {
2378	>	g.complete(v2);
2379
2380	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2381	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2382	<	final IncAction r = new IncAction();
2192	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2380	>	// unspecified behavior - both source completions available
2381	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2382	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2383
2384	<	g.complete(v2);
2385	<	checkCompletedNormally(h, null);
2386	<	assertEquals(r.value, inc(v2));
2387	<	f.complete(v1);
2384	>	checkCompletedWithWrappedCFException(h4);
2385	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2386	>	Objects.equals(v2, rs[4].value));
2387	>	checkCompletedWithWrappedCFException(h5);
2388	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2389	>	Objects.equals(v2, rs[5].value));
2390
2391		checkCompletedNormally(f, v1);
2392		checkCompletedNormally(g, v2);
2393	<	checkCompletedNormally(h, null);
2394	<	}
2395	<	}
2396	<	public void testAcceptEither_normalCompletion3() {
2393	>	}}
2394	>
2395	>	/**
2396	>	* acceptEither result completes normally after normal completion
2397	>	* of either source
2398	>	*/
2399	>	public void testAcceptEither_normalCompletion() {
2400		for (ExecutionMode m : ExecutionMode.values())
2401		for (Integer v1 : new Integer[] { 1, null })
2402	<	for (Integer v2 : new Integer[] { 2, null }) {
2403	<
2402	>	for (Integer v2 : new Integer[] { 2, null })
2403	>	{
2404		final CompletableFuture<Integer> f = new CompletableFuture<>();
2405		final CompletableFuture<Integer> g = new CompletableFuture<>();
2406	<	final IncAction r = new IncAction();
2406	>	final NoopConsumer[] rs = new NoopConsumer[6];
2407	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2408	>
2409	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2410	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2411	>	checkIncomplete(h0);
2412	>	checkIncomplete(h1);
2413	>	rs[0].assertNotInvoked();
2414	>	rs[1].assertNotInvoked();
2415	>	f.complete(v1);
2416	>	checkCompletedNormally(h0, null);
2417	>	checkCompletedNormally(h1, null);
2418	>	rs[0].assertValue(v1);
2419	>	rs[1].assertValue(v1);
2420	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2421	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2422	>	checkCompletedNormally(h2, null);
2423	>	checkCompletedNormally(h3, null);
2424	>	rs[2].assertValue(v1);
2425	>	rs[3].assertValue(v1);
2426	>	g.complete(v2);
2427	>
2428	>	// unspecified behavior - both source completions available
2429	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2430	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2431	>	checkCompletedNormally(h4, null);
2432	>	checkCompletedNormally(h5, null);
2433	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2434	>	Objects.equals(v2, rs[4].value));
2435	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2436	>	Objects.equals(v2, rs[5].value));
2437
2213	–	f.complete(v1);
2214	–	g.complete(v2);
2215	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2216	–
2217	–	checkCompletedNormally(h, null);
2438		checkCompletedNormally(f, v1);
2439		checkCompletedNormally(g, v2);
2440	<
2441	<	// unspecified behavior
2442	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2443	<	Objects.equals(r.value, inc(v2)));
2444	<	}
2445	<	}
2440	>	checkCompletedNormally(h0, null);
2441	>	checkCompletedNormally(h1, null);
2442	>	checkCompletedNormally(h2, null);
2443	>	checkCompletedNormally(h3, null);
2444	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2445	>	}}
2446
2447		/**
2448		* acceptEither result completes exceptionally after exceptional
2449		* completion of either source
2450		*/
2451	<	public void testAcceptEither_exceptionalCompletion1() {
2451	>	public void testAcceptEither_exceptionalCompletion() {
2452		for (ExecutionMode m : ExecutionMode.values())
2453	<	for (Integer v1 : new Integer[] { 1, null }) {
2454	<
2453	>	for (Integer v1 : new Integer[] { 1, null })
2454	>	{
2455		final CompletableFuture<Integer> f = new CompletableFuture<>();
2456		final CompletableFuture<Integer> g = new CompletableFuture<>();
2237	–	final IncAction r = new IncAction();
2238	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2457		final CFException ex = new CFException();
2458	+	final NoopConsumer[] rs = new NoopConsumer[6];
2459	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2460
2461	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2462	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2463	+	checkIncomplete(h0);
2464	+	checkIncomplete(h1);
2465	+	rs[0].assertNotInvoked();
2466	+	rs[1].assertNotInvoked();
2467		f.completeExceptionally(ex);
2468	<	checkCompletedWithWrappedCFException(h, ex);
2469	<	g.complete(v1);
2470	<
2471	<	assertEquals(r.invocationCount, 0);
2472	<	checkCompletedNormally(g, v1);
2473	<	checkCompletedWithWrappedCFException(f, ex);
2248	<	checkCompletedWithWrappedCFException(h, ex);
2249	<	}
2250	<	}
2251	<
2252	<	public void testAcceptEither_exceptionalCompletion2() {
2253	<	for (ExecutionMode m : ExecutionMode.values())
2254	<	for (Integer v1 : new Integer[] { 1, null }) {
2255	<
2256	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2257	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2258	<	final IncAction r = new IncAction();
2259	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2260	<	final CFException ex = new CFException();
2468	>	checkCompletedWithWrappedException(h0, ex);
2469	>	checkCompletedWithWrappedException(h1, ex);
2470	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2471	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2472	>	checkCompletedWithWrappedException(h2, ex);
2473	>	checkCompletedWithWrappedException(h3, ex);
2474
2475	<	g.completeExceptionally(ex);
2263	<	checkCompletedWithWrappedCFException(h, ex);
2264	<	f.complete(v1);
2475	>	g.complete(v1);
2476
2477	<	assertEquals(r.invocationCount, 0);
2478	<	checkCompletedNormally(f, v1);
2479	<	checkCompletedWithWrappedCFException(g, ex);
2480	<	checkCompletedWithWrappedCFException(h, ex);
2477	>	// unspecified behavior - both source completions available
2478	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2479	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2480	>	try {
2481	>	assertNull(h4.join());
2482	>	rs[4].assertValue(v1);
2483	>	} catch (CompletionException ok) {
2484	>	checkCompletedWithWrappedException(h4, ex);
2485	>	rs[4].assertNotInvoked();
2486		}
2271	–	}
2272	–
2273	–	public void testAcceptEither_exceptionalCompletion3() {
2274	–	for (ExecutionMode m : ExecutionMode.values())
2275	–	for (Integer v1 : new Integer[] { 1, null }) {
2276	–
2277	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2278	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2279	–	final IncAction r = new IncAction();
2280	–	final CFException ex = new CFException();
2281	–
2282	–	g.completeExceptionally(ex);
2283	–	f.complete(v1);
2284	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2285	–
2286	–	// unspecified behavior
2287	–	Integer v;
2487		try {
2488	<	assertEquals(h.join(), null);
2489	<	assertEquals(r.invocationCount, 1);
2291	<	assertEquals(inc(v1), r.value);
2488	>	assertNull(h5.join());
2489	>	rs[5].assertValue(v1);
2490		} catch (CompletionException ok) {
2491	<	checkCompletedWithWrappedCFException(h, ex);
2492	<	assertEquals(r.invocationCount, 0);
2491	>	checkCompletedWithWrappedException(h5, ex);
2492	>	rs[5].assertNotInvoked();
2493		}
2494
2495	<	checkCompletedWithWrappedCFException(g, ex);
2496	<	checkCompletedNormally(f, v1);
2497	<	}
2498	<	}
2495	>	checkCompletedExceptionally(f, ex);
2496	>	checkCompletedNormally(g, v1);
2497	>	checkCompletedWithWrappedException(h0, ex);
2498	>	checkCompletedWithWrappedException(h1, ex);
2499	>	checkCompletedWithWrappedException(h2, ex);
2500	>	checkCompletedWithWrappedException(h3, ex);
2501	>	checkCompletedWithWrappedException(h4, ex);
2502	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2503	>	}}
2504
2505	<	public void testAcceptEither_exceptionalCompletion4() {
2505	>	public void testAcceptEither_exceptionalCompletion2() {
2506		for (ExecutionMode m : ExecutionMode.values())
2507	<	for (Integer v1 : new Integer[] { 1, null }) {
2508	<
2507	>	for (boolean fFirst : new boolean[] { true, false })
2508	>	for (Integer v1 : new Integer[] { 1, null })
2509	>	{
2510		final CompletableFuture<Integer> f = new CompletableFuture<>();
2511		final CompletableFuture<Integer> g = new CompletableFuture<>();
2308	–	final IncAction r = new IncAction();
2512		final CFException ex = new CFException();
2513	+	final NoopConsumer[] rs = new NoopConsumer[6];
2514	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2515
2516	<	f.completeExceptionally(ex);
2517	<	g.complete(v1);
2518	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2516	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2517	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2518	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2519	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2520	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2521	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2522
2523	<	// unspecified behavior
2316	<	Integer v;
2523	>	// unspecified behavior - both source completions available
2524		try {
2525	<	assertEquals(h.join(), null);
2526	<	assertEquals(r.invocationCount, 1);
2320	<	assertEquals(inc(v1), r.value);
2525	>	assertEquals(null, h0.join());
2526	>	rs[0].assertValue(v1);
2527		} catch (CompletionException ok) {
2528	<	checkCompletedWithWrappedCFException(h, ex);
2529	<	assertEquals(r.invocationCount, 0);
2528	>	checkCompletedWithWrappedException(h0, ex);
2529	>	rs[0].assertNotInvoked();
2530		}
2531	<
2532	<	checkCompletedWithWrappedCFException(f, ex);
2533	<	checkCompletedNormally(g, v1);
2531	>	try {
2532	>	assertEquals(null, h1.join());
2533	>	rs[1].assertValue(v1);
2534	>	} catch (CompletionException ok) {
2535	>	checkCompletedWithWrappedException(h1, ex);
2536	>	rs[1].assertNotInvoked();
2537		}
2538	<	}
2539	<
2540	<	/**
2541	<	* acceptEither result completes exceptionally if action does
2542	<	*/
2543	<	public void testAcceptEither_actionFailed1() {
2544	<	for (ExecutionMode m : ExecutionMode.values())
2545	<	for (Integer v1 : new Integer[] { 1, null })
2546	<	for (Integer v2 : new Integer[] { 2, null }) {
2547	<
2548	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2549	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2550	<	final FailingConsumer r = new FailingConsumer();
2342	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2343	<
2344	<	f.complete(v1);
2345	<	checkCompletedWithWrappedCFException(h);
2346	<	g.complete(v2);
2347	<	checkCompletedNormally(f, v1);
2348	<	checkCompletedNormally(g, v2);
2538	>	try {
2539	>	assertEquals(null, h2.join());
2540	>	rs[2].assertValue(v1);
2541	>	} catch (CompletionException ok) {
2542	>	checkCompletedWithWrappedException(h2, ex);
2543	>	rs[2].assertNotInvoked();
2544	>	}
2545	>	try {
2546	>	assertEquals(null, h3.join());
2547	>	rs[3].assertValue(v1);
2548	>	} catch (CompletionException ok) {
2549	>	checkCompletedWithWrappedException(h3, ex);
2550	>	rs[3].assertNotInvoked();
2551		}
2350	–	}
2351	–
2352	–	public void testAcceptEither_actionFailed2() {
2353	–	for (ExecutionMode m : ExecutionMode.values())
2354	–	for (Integer v1 : new Integer[] { 1, null })
2355	–	for (Integer v2 : new Integer[] { 2, null }) {
2356	–
2357	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2358	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2359	–	final FailingConsumer r = new FailingConsumer();
2360	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2552
2362	–	g.complete(v2);
2363	–	checkCompletedWithWrappedCFException(h);
2364	–	f.complete(v1);
2553		checkCompletedNormally(f, v1);
2554	<	checkCompletedNormally(g, v2);
2555	<	}
2368	<	}
2554	>	checkCompletedExceptionally(g, ex);
2555	>	}}
2556
2557		/**
2558		* acceptEither result completes exceptionally if either source cancelled
2559		*/
2560	<	public void testAcceptEither_sourceCancelled1() {
2560	>	public void testAcceptEither_sourceCancelled() {
2561		for (ExecutionMode m : ExecutionMode.values())
2562		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2563	<	for (Integer v1 : new Integer[] { 1, null }) {
2564	<
2378	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2379	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2380	<	final IncAction r = new IncAction();
2381	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2382	<
2383	<	assertTrue(f.cancel(mayInterruptIfRunning));
2384	<	checkCompletedWithWrappedCancellationException(h);
2385	<	g.complete(v1);
2386	<
2387	<	checkCancelled(f);
2388	<	assertEquals(r.invocationCount, 0);
2389	<	checkCompletedNormally(g, v1);
2390	<	checkCompletedWithWrappedCancellationException(h);
2391	<	}
2392	<	}
2393	<
2394	<	public void testAcceptEither_sourceCancelled2() {
2395	<	for (ExecutionMode m : ExecutionMode.values())
2396	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2397	<	for (Integer v1 : new Integer[] { 1, null }) {
2398	<
2563	>	for (Integer v1 : new Integer[] { 1, null })
2564	>	{
2565		final CompletableFuture<Integer> f = new CompletableFuture<>();
2566		final CompletableFuture<Integer> g = new CompletableFuture<>();
2567	<	final IncAction r = new IncAction();
2568	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2567	>	final NoopConsumer[] rs = new NoopConsumer[6];
2568	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2569
2570	<	assertTrue(g.cancel(mayInterruptIfRunning));
2571	<	checkCompletedWithWrappedCancellationException(h);
2572	<	f.complete(v1);
2570	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2571	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2572	>	checkIncomplete(h0);
2573	>	checkIncomplete(h1);
2574	>	rs[0].assertNotInvoked();
2575	>	rs[1].assertNotInvoked();
2576	>	f.cancel(mayInterruptIfRunning);
2577	>	checkCompletedWithWrappedCancellationException(h0);
2578	>	checkCompletedWithWrappedCancellationException(h1);
2579	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2580	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2581	>	checkCompletedWithWrappedCancellationException(h2);
2582	>	checkCompletedWithWrappedCancellationException(h3);
2583
2584	<	checkCancelled(g);
2409	<	assertEquals(r.invocationCount, 0);
2410	<	checkCompletedNormally(f, v1);
2411	<	checkCompletedWithWrappedCancellationException(h);
2412	<	}
2413	<	}
2414	<
2415	<	public void testAcceptEither_sourceCancelled3() {
2416	<	for (ExecutionMode m : ExecutionMode.values())
2417	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2418	<	for (Integer v1 : new Integer[] { 1, null }) {
2419	<
2420	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2421	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2422	<	final IncAction r = new IncAction();
2423	<
2424	<	assertTrue(g.cancel(mayInterruptIfRunning));
2425	<	f.complete(v1);
2426	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2584	>	g.complete(v1);
2585
2586	<	// unspecified behavior
2587	<	Integer v;
2586	>	// unspecified behavior - both source completions available
2587	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2588	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2589		try {
2590	<	assertEquals(h.join(), null);
2591	<	assertEquals(r.invocationCount, 1);
2433	<	assertEquals(inc(v1), r.value);
2590	>	assertNull(h4.join());
2591	>	rs[4].assertValue(v1);
2592		} catch (CompletionException ok) {
2593	<	checkCompletedWithWrappedCancellationException(h);
2594	<	assertEquals(r.invocationCount, 0);
2437	<	}
2438	<
2439	<	checkCancelled(g);
2440	<	checkCompletedNormally(f, v1);
2593	>	checkCompletedWithWrappedCancellationException(h4);
2594	>	rs[4].assertNotInvoked();
2595		}
2442	–	}
2443	–
2444	–	public void testAcceptEither_sourceCancelled4() {
2445	–	for (ExecutionMode m : ExecutionMode.values())
2446	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2447	–	for (Integer v1 : new Integer[] { 1, null }) {
2448	–
2449	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2450	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2451	–	final IncAction r = new IncAction();
2452	–
2453	–	assertTrue(f.cancel(mayInterruptIfRunning));
2454	–	g.complete(v1);
2455	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2456	–
2457	–	// unspecified behavior
2458	–	Integer v;
2596		try {
2597	<	assertEquals(h.join(), null);
2598	<	assertEquals(r.invocationCount, 1);
2462	<	assertEquals(inc(v1), r.value);
2597	>	assertNull(h5.join());
2598	>	rs[5].assertValue(v1);
2599		} catch (CompletionException ok) {
2600	<	checkCompletedWithWrappedCancellationException(h);
2601	<	assertEquals(r.invocationCount, 0);
2600	>	checkCompletedWithWrappedCancellationException(h5);
2601	>	rs[5].assertNotInvoked();
2602		}
2603
2604		checkCancelled(f);
2605		checkCompletedNormally(g, v1);
2606	<	}
2607	<	}
2606	>	checkCompletedWithWrappedCancellationException(h0);
2607	>	checkCompletedWithWrappedCancellationException(h1);
2608	>	checkCompletedWithWrappedCancellationException(h2);
2609	>	checkCompletedWithWrappedCancellationException(h3);
2610	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2611	>	}}
2612
2613		/**
2614	<	* runAfterEither result completes normally after normal completion
2475	<	* of either source
2614	>	* acceptEither result completes exceptionally if action does
2615		*/
2616	<	public void testRunAfterEither_normalCompletion1() {
2616	>	public void testAcceptEither_actionFailed() {
2617		for (ExecutionMode m : ExecutionMode.values())
2618		for (Integer v1 : new Integer[] { 1, null })
2619	<	for (Integer v2 : new Integer[] { 2, null }) {
2620	<
2619	>	for (Integer v2 : new Integer[] { 2, null })
2620	>	{
2621		final CompletableFuture<Integer> f = new CompletableFuture<>();
2622		final CompletableFuture<Integer> g = new CompletableFuture<>();
2623	<	final Noop r = new Noop();
2624	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2623	>	final FailingConsumer[] rs = new FailingConsumer[6];
2624	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2625
2626	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2627	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2628		f.complete(v1);
2629	<	checkCompletedNormally(h, null);
2630	<	assertEquals(r.invocationCount, 1);
2631	<	g.complete(v2);
2632	<
2633	<	checkCompletedNormally(f, v1);
2634	<	checkCompletedNormally(g, v2);
2635	<	checkCompletedNormally(h, null);
2495	<	assertEquals(r.invocationCount, 1);
2496	<	}
2497	<	}
2629	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2630	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2631	>	checkCompletedWithWrappedCFException(h0);
2632	>	checkCompletedWithWrappedCFException(h1);
2633	>	checkCompletedWithWrappedCFException(h2);
2634	>	checkCompletedWithWrappedCFException(h3);
2635	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2636
2637	<	public void testRunAfterEither_normalCompletion2() {
2500	<	for (ExecutionMode m : ExecutionMode.values())
2501	<	for (Integer v1 : new Integer[] { 1, null })
2502	<	for (Integer v2 : new Integer[] { 2, null }) {
2637	>	g.complete(v2);
2638
2639	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2640	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2641	<	final Noop r = new Noop();
2507	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2639	>	// unspecified behavior - both source completions available
2640	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2641	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2642
2643	<	g.complete(v2);
2644	<	checkCompletedNormally(h, null);
2645	<	assertEquals(r.invocationCount, 1);
2646	<	f.complete(v1);
2643	>	checkCompletedWithWrappedCFException(h4);
2644	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2645	>	Objects.equals(v2, rs[4].value));
2646	>	checkCompletedWithWrappedCFException(h5);
2647	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2648	>	Objects.equals(v2, rs[5].value));
2649
2650		checkCompletedNormally(f, v1);
2651		checkCompletedNormally(g, v2);
2652	<	checkCompletedNormally(h, null);
2653	<	assertEquals(r.invocationCount, 1);
2654	<	}
2655	<	}
2656	<	public void testRunAfterEither_normalCompletion3() {
2652	>	}}
2653	>
2654	>	/**
2655	>	* runAfterEither result completes normally after normal completion
2656	>	* of either source
2657	>	*/
2658	>	public void testRunAfterEither_normalCompletion() {
2659		for (ExecutionMode m : ExecutionMode.values())
2660		for (Integer v1 : new Integer[] { 1, null })
2661	<	for (Integer v2 : new Integer[] { 2, null }) {
2662	<
2661	>	for (Integer v2 : new Integer[] { 2, null })
2662	>	{
2663		final CompletableFuture<Integer> f = new CompletableFuture<>();
2664		final CompletableFuture<Integer> g = new CompletableFuture<>();
2665	<	final Noop r = new Noop();
2665	>	final Noop[] rs = new Noop[6];
2666	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2667
2668	+	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2669	+	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2670	+	checkIncomplete(h0);
2671	+	checkIncomplete(h1);
2672	+	rs[0].assertNotInvoked();
2673	+	rs[1].assertNotInvoked();
2674		f.complete(v1);
2675	+	checkCompletedNormally(h0, null);
2676	+	checkCompletedNormally(h1, null);
2677	+	rs[0].assertInvoked();
2678	+	rs[1].assertInvoked();
2679	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2680	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2681	+	checkCompletedNormally(h2, null);
2682	+	checkCompletedNormally(h3, null);
2683	+	rs[2].assertInvoked();
2684	+	rs[3].assertInvoked();
2685	+
2686		g.complete(v2);
2531	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2687
2688	<	checkCompletedNormally(h, null);
2688	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2689	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2690	>
2691		checkCompletedNormally(f, v1);
2692		checkCompletedNormally(g, v2);
2693	<	assertEquals(r.invocationCount, 1);
2694	<	}
2695	<	}
2693	>	checkCompletedNormally(h0, null);
2694	>	checkCompletedNormally(h1, null);
2695	>	checkCompletedNormally(h2, null);
2696	>	checkCompletedNormally(h3, null);
2697	>	checkCompletedNormally(h4, null);
2698	>	checkCompletedNormally(h5, null);
2699	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2700	>	}}
2701
2702		/**
2703		* runAfterEither result completes exceptionally after exceptional
2704		* completion of either source
2705		*/
2706	<	public void testRunAfterEither_exceptionalCompletion1() {
2706	>	public void testRunAfterEither_exceptionalCompletion() {
2707		for (ExecutionMode m : ExecutionMode.values())
2708	<	for (Integer v1 : new Integer[] { 1, null }) {
2709	<
2708	>	for (Integer v1 : new Integer[] { 1, null })
2709	>	{
2710		final CompletableFuture<Integer> f = new CompletableFuture<>();
2711		final CompletableFuture<Integer> g = new CompletableFuture<>();
2550	–	final Noop r = new Noop();
2551	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2712		final CFException ex = new CFException();
2713	+	final Noop[] rs = new Noop[6];
2714	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2715
2716	<	f.completeExceptionally(ex);
2717	<	checkCompletedWithWrappedCFException(h, ex);
2718	<	g.complete(v1);
2719	<
2720	<	assertEquals(r.invocationCount, 0);
2721	<	checkCompletedNormally(g, v1);
2722	<	checkCompletedWithWrappedCFException(f, ex);
2723	<	checkCompletedWithWrappedCFException(h, ex);
2724	<	}
2725	<	}
2726	<
2727	<	public void testRunAfterEither_exceptionalCompletion2() {
2728	<	for (ExecutionMode m : ExecutionMode.values())
2567	<	for (Integer v1 : new Integer[] { 1, null }) {
2568	<
2569	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2570	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2571	<	final Noop r = new Noop();
2572	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2573	<	final CFException ex = new CFException();
2716	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2717	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2718	>	checkIncomplete(h0);
2719	>	checkIncomplete(h1);
2720	>	rs[0].assertNotInvoked();
2721	>	rs[1].assertNotInvoked();
2722	>	assertTrue(f.completeExceptionally(ex));
2723	>	checkCompletedWithWrappedException(h0, ex);
2724	>	checkCompletedWithWrappedException(h1, ex);
2725	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2726	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2727	>	checkCompletedWithWrappedException(h2, ex);
2728	>	checkCompletedWithWrappedException(h3, ex);
2729
2730	<	g.completeExceptionally(ex);
2576	<	checkCompletedWithWrappedCFException(h, ex);
2577	<	f.complete(v1);
2730	>	assertTrue(g.complete(v1));
2731
2732	<	assertEquals(r.invocationCount, 0);
2733	<	checkCompletedNormally(f, v1);
2734	<	checkCompletedWithWrappedCFException(g, ex);
2735	<	checkCompletedWithWrappedCFException(h, ex);
2732	>	// unspecified behavior - both source completions available
2733	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2734	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2735	>	try {
2736	>	assertNull(h4.join());
2737	>	rs[4].assertInvoked();
2738	>	} catch (CompletionException ok) {
2739	>	checkCompletedWithWrappedException(h4, ex);
2740	>	rs[4].assertNotInvoked();
2741		}
2584	–	}
2585	–
2586	–	public void testRunAfterEither_exceptionalCompletion3() {
2587	–	for (ExecutionMode m : ExecutionMode.values())
2588	–	for (Integer v1 : new Integer[] { 1, null }) {
2589	–
2590	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2591	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2592	–	final Noop r = new Noop();
2593	–	final CFException ex = new CFException();
2594	–
2595	–	g.completeExceptionally(ex);
2596	–	f.complete(v1);
2597	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2598	–
2599	–	// unspecified behavior
2600	–	Integer v;
2742		try {
2743	<	assertEquals(h.join(), null);
2744	<	assertEquals(r.invocationCount, 1);
2743	>	assertNull(h5.join());
2744	>	rs[5].assertInvoked();
2745		} catch (CompletionException ok) {
2746	<	checkCompletedWithWrappedCFException(h, ex);
2747	<	assertEquals(r.invocationCount, 0);
2746	>	checkCompletedWithWrappedException(h5, ex);
2747	>	rs[5].assertNotInvoked();
2748		}
2749
2750	<	checkCompletedWithWrappedCFException(g, ex);
2751	<	checkCompletedNormally(f, v1);
2752	<	}
2753	<	}
2750	>	checkCompletedExceptionally(f, ex);
2751	>	checkCompletedNormally(g, v1);
2752	>	checkCompletedWithWrappedException(h0, ex);
2753	>	checkCompletedWithWrappedException(h1, ex);
2754	>	checkCompletedWithWrappedException(h2, ex);
2755	>	checkCompletedWithWrappedException(h3, ex);
2756	>	checkCompletedWithWrappedException(h4, ex);
2757	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2758	>	}}
2759
2760	<	public void testRunAfterEither_exceptionalCompletion4() {
2760	>	public void testRunAfterEither_exceptionalCompletion2() {
2761		for (ExecutionMode m : ExecutionMode.values())
2762	<	for (Integer v1 : new Integer[] { 1, null }) {
2763	<
2762	>	for (boolean fFirst : new boolean[] { true, false })
2763	>	for (Integer v1 : new Integer[] { 1, null })
2764	>	{
2765		final CompletableFuture<Integer> f = new CompletableFuture<>();
2766		final CompletableFuture<Integer> g = new CompletableFuture<>();
2620	–	final Noop r = new Noop();
2767		final CFException ex = new CFException();
2768	+	final Noop[] rs = new Noop[6];
2769	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2770
2771	<	f.completeExceptionally(ex);
2772	<	g.complete(v1);
2773	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2771	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2772	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2773	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2774	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2775	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2776	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2777
2778	<	// unspecified behavior
2628	<	Integer v;
2778	>	// unspecified behavior - both source completions available
2779		try {
2780	<	assertEquals(h.join(), null);
2781	<	assertEquals(r.invocationCount, 1);
2780	>	assertEquals(null, h0.join());
2781	>	rs[0].assertInvoked();
2782		} catch (CompletionException ok) {
2783	<	checkCompletedWithWrappedCFException(h, ex);
2784	<	assertEquals(r.invocationCount, 0);
2783	>	checkCompletedWithWrappedException(h0, ex);
2784	>	rs[0].assertNotInvoked();
2785		}
2786	<
2787	<	checkCompletedWithWrappedCFException(f, ex);
2788	<	checkCompletedNormally(g, v1);
2786	>	try {
2787	>	assertEquals(null, h1.join());
2788	>	rs[1].assertInvoked();
2789	>	} catch (CompletionException ok) {
2790	>	checkCompletedWithWrappedException(h1, ex);
2791	>	rs[1].assertNotInvoked();
2792		}
2793	<	}
2794	<
2795	<	/**
2796	<	* runAfterEither result completes exceptionally if action does
2797	<	*/
2798	<	public void testRunAfterEither_actionFailed1() {
2799	<	for (ExecutionMode m : ExecutionMode.values())
2800	<	for (Integer v1 : new Integer[] { 1, null })
2801	<	for (Integer v2 : new Integer[] { 2, null }) {
2802	<
2803	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2804	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2805	<	final FailingNoop r = new FailingNoop();
2653	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2654	<
2655	<	f.complete(v1);
2656	<	checkCompletedWithWrappedCFException(h);
2657	<	g.complete(v2);
2658	<	checkCompletedNormally(f, v1);
2659	<	checkCompletedNormally(g, v2);
2793	>	try {
2794	>	assertEquals(null, h2.join());
2795	>	rs[2].assertInvoked();
2796	>	} catch (CompletionException ok) {
2797	>	checkCompletedWithWrappedException(h2, ex);
2798	>	rs[2].assertNotInvoked();
2799	>	}
2800	>	try {
2801	>	assertEquals(null, h3.join());
2802	>	rs[3].assertInvoked();
2803	>	} catch (CompletionException ok) {
2804	>	checkCompletedWithWrappedException(h3, ex);
2805	>	rs[3].assertNotInvoked();
2806		}
2661	–	}
2662	–
2663	–	public void testRunAfterEither_actionFailed2() {
2664	–	for (ExecutionMode m : ExecutionMode.values())
2665	–	for (Integer v1 : new Integer[] { 1, null })
2666	–	for (Integer v2 : new Integer[] { 2, null }) {
2667	–
2668	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2669	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2670	–	final FailingNoop r = new FailingNoop();
2671	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2807
2673	–	g.complete(v2);
2674	–	checkCompletedWithWrappedCFException(h);
2675	–	f.complete(v1);
2808		checkCompletedNormally(f, v1);
2809	<	checkCompletedNormally(g, v2);
2810	<	}
2679	<	}
2809	>	checkCompletedExceptionally(g, ex);
2810	>	}}
2811
2812		/**
2813		* runAfterEither result completes exceptionally if either source cancelled
2814		*/
2815	<	public void testRunAfterEither_sourceCancelled1() {
2815	>	public void testRunAfterEither_sourceCancelled() {
2816		for (ExecutionMode m : ExecutionMode.values())
2817		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2818	<	for (Integer v1 : new Integer[] { 1, null }) {
2819	<
2818	>	for (Integer v1 : new Integer[] { 1, null })
2819	>	{
2820		final CompletableFuture<Integer> f = new CompletableFuture<>();
2821		final CompletableFuture<Integer> g = new CompletableFuture<>();
2822	<	final Noop r = new Noop();
2823	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2822	>	final Noop[] rs = new Noop[6];
2823	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2824
2825	<	assertTrue(f.cancel(mayInterruptIfRunning));
2826	<	checkCompletedWithWrappedCancellationException(h);
2827	<	g.complete(v1);
2825	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2826	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2827	>	checkIncomplete(h0);
2828	>	checkIncomplete(h1);
2829	>	rs[0].assertNotInvoked();
2830	>	rs[1].assertNotInvoked();
2831	>	f.cancel(mayInterruptIfRunning);
2832	>	checkCompletedWithWrappedCancellationException(h0);
2833	>	checkCompletedWithWrappedCancellationException(h1);
2834	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2835	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2836	>	checkCompletedWithWrappedCancellationException(h2);
2837	>	checkCompletedWithWrappedCancellationException(h3);
2838
2839	<	checkCancelled(f);
2699	<	assertEquals(r.invocationCount, 0);
2700	<	checkCompletedNormally(g, v1);
2701	<	checkCompletedWithWrappedCancellationException(h);
2702	<	}
2703	<	}
2704	<
2705	<	public void testRunAfterEither_sourceCancelled2() {
2706	<	for (ExecutionMode m : ExecutionMode.values())
2707	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2708	<	for (Integer v1 : new Integer[] { 1, null }) {
2839	>	assertTrue(g.complete(v1));
2840
2841	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2842	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2843	<	final Noop r = new Noop();
2844	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2845	<
2846	<	assertTrue(g.cancel(mayInterruptIfRunning));
2847	<	checkCompletedWithWrappedCancellationException(h);
2848	<	f.complete(v1);
2849	<
2719	<	checkCancelled(g);
2720	<	assertEquals(r.invocationCount, 0);
2721	<	checkCompletedNormally(f, v1);
2722	<	checkCompletedWithWrappedCancellationException(h);
2841	>	// unspecified behavior - both source completions available
2842	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2843	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2844	>	try {
2845	>	assertNull(h4.join());
2846	>	rs[4].assertInvoked();
2847	>	} catch (CompletionException ok) {
2848	>	checkCompletedWithWrappedCancellationException(h4);
2849	>	rs[4].assertNotInvoked();
2850		}
2724	–	}
2725	–
2726	–	public void testRunAfterEither_sourceCancelled3() {
2727	–	for (ExecutionMode m : ExecutionMode.values())
2728	–	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2729	–	for (Integer v1 : new Integer[] { 1, null }) {
2730	–
2731	–	final CompletableFuture<Integer> f = new CompletableFuture<>();
2732	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
2733	–	final Noop r = new Noop();
2734	–
2735	–	assertTrue(g.cancel(mayInterruptIfRunning));
2736	–	f.complete(v1);
2737	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2738	–
2739	–	// unspecified behavior
2740	–	Integer v;
2851		try {
2852	<	assertEquals(h.join(), null);
2853	<	assertEquals(r.invocationCount, 1);
2852	>	assertNull(h5.join());
2853	>	rs[5].assertInvoked();
2854		} catch (CompletionException ok) {
2855	<	checkCompletedWithWrappedCancellationException(h);
2856	<	assertEquals(r.invocationCount, 0);
2855	>	checkCompletedWithWrappedCancellationException(h5);
2856	>	rs[5].assertNotInvoked();
2857		}
2858
2859	<	checkCancelled(g);
2860	<	checkCompletedNormally(f, v1);
2861	<	}
2862	<	}
2859	>	checkCancelled(f);
2860	>	checkCompletedNormally(g, v1);
2861	>	checkCompletedWithWrappedCancellationException(h0);
2862	>	checkCompletedWithWrappedCancellationException(h1);
2863	>	checkCompletedWithWrappedCancellationException(h2);
2864	>	checkCompletedWithWrappedCancellationException(h3);
2865	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2866	>	}}
2867
2868	<	public void testRunAfterEither_sourceCancelled4() {
2868	>	/**
2869	>	* runAfterEither result completes exceptionally if action does
2870	>	*/
2871	>	public void testRunAfterEither_actionFailed() {
2872		for (ExecutionMode m : ExecutionMode.values())
2873	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2874	<	for (Integer v1 : new Integer[] { 1, null }) {
2875	<
2873	>	for (Integer v1 : new Integer[] { 1, null })
2874	>	for (Integer v2 : new Integer[] { 2, null })
2875	>	{
2876		final CompletableFuture<Integer> f = new CompletableFuture<>();
2877		final CompletableFuture<Integer> g = new CompletableFuture<>();
2878	<	final Noop r = new Noop();
2878	>	final FailingRunnable[] rs = new FailingRunnable[6];
2879	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2880
2881	<	assertTrue(f.cancel(mayInterruptIfRunning));
2882	<	g.complete(v1);
2883	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2881	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2882	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2883	>	assertTrue(f.complete(v1));
2884	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2885	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2886	>	checkCompletedWithWrappedCFException(h0);
2887	>	checkCompletedWithWrappedCFException(h1);
2888	>	checkCompletedWithWrappedCFException(h2);
2889	>	checkCompletedWithWrappedCFException(h3);
2890	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2891	>	assertTrue(g.complete(v2));
2892	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2893	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2894	>	checkCompletedWithWrappedCFException(h4);
2895	>	checkCompletedWithWrappedCFException(h5);
2896
2897	<	// unspecified behavior
2898	<	Integer v;
2899	<	try {
2900	<	assertEquals(h.join(), null);
2771	<	assertEquals(r.invocationCount, 1);
2772	<	} catch (CompletionException ok) {
2773	<	checkCompletedWithWrappedCancellationException(h);
2774	<	assertEquals(r.invocationCount, 0);
2775	<	}
2776	<
2777	<	checkCancelled(f);
2778	<	checkCompletedNormally(g, v1);
2779	<	}
2780	<	}
2897	>	checkCompletedNormally(f, v1);
2898	>	checkCompletedNormally(g, v2);
2899	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2900	>	}}
2901
2902		/**
2903		* thenCompose result completes normally after normal completion of source
2904		*/
2905	<	public void testThenCompose() {
2906	<	CompletableFuture<Integer> f, g;
2907	<	CompletableFutureInc r;
2908	<
2909	<	f = new CompletableFuture<>();
2910	<	g = f.thenCompose(r = new CompletableFutureInc());
2911	<	f.complete(one);
2912	<	checkCompletedNormally(g, two);
2913	<	assertTrue(r.ran);
2905	>	public void testThenCompose_normalCompletion() {
2906	>	for (ExecutionMode m : ExecutionMode.values())
2907	>	for (boolean createIncomplete : new boolean[] { true, false })
2908	>	for (Integer v1 : new Integer[] { 1, null })
2909	>	{
2910	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2911	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2912	>	if (!createIncomplete) assertTrue(f.complete(v1));
2913	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2914	>	if (createIncomplete) assertTrue(f.complete(v1));
2915
2916	<	f = new CompletableFuture<>();
2917	<	f.complete(one);
2918	<	g = f.thenCompose(r = new CompletableFutureInc());
2919	<	checkCompletedNormally(g, two);
2799	<	assertTrue(r.ran);
2800	<	}
2916	>	checkCompletedNormally(g, inc(v1));
2917	>	checkCompletedNormally(f, v1);
2918	>	r.assertValue(v1);
2919	>	}}
2920
2921		/**
2922		* thenCompose result completes exceptionally after exceptional
2923		* completion of source
2924		*/
2925	<	public void testThenCompose2() {
2926	<	CompletableFuture<Integer> f, g;
2927	<	CompletableFutureInc r;
2928	<
2929	<	f = new CompletableFuture<>();
2930	<	g = f.thenCompose(r = new CompletableFutureInc());
2931	<	f.completeExceptionally(new CFException());
2932	<	checkCompletedWithWrappedCFException(g);
2925	>	public void testThenCompose_exceptionalCompletion() {
2926	>	for (ExecutionMode m : ExecutionMode.values())
2927	>	for (boolean createIncomplete : new boolean[] { true, false })
2928	>	{
2929	>	final CFException ex = new CFException();
2930	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2931	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2932	>	if (!createIncomplete) f.completeExceptionally(ex);
2933	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2934	>	if (createIncomplete) f.completeExceptionally(ex);
2935
2936	<	f = new CompletableFuture<>();
2937	<	f.completeExceptionally(new CFException());
2938	<	g = f.thenCompose(r = new CompletableFutureInc());
2939	<	checkCompletedWithWrappedCFException(g);
2819	<	}
2936	>	checkCompletedWithWrappedException(g, ex);
2937	>	checkCompletedExceptionally(f, ex);
2938	>	r.assertNotInvoked();
2939	>	}}
2940
2941		/**
2942		* thenCompose result completes exceptionally if action does
2943		*/
2944	<	public void testThenCompose3() {
2945	<	CompletableFuture<Integer> f, g;
2946	<	FailingCompletableFutureFunction r;
2947	<
2948	<	f = new CompletableFuture<>();
2949	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2950	<	f.complete(one);
2951	<	checkCompletedWithWrappedCFException(g);
2944	>	public void testThenCompose_actionFailed() {
2945	>	for (ExecutionMode m : ExecutionMode.values())
2946	>	for (boolean createIncomplete : new boolean[] { true, false })
2947	>	for (Integer v1 : new Integer[] { 1, null })
2948	>	{
2949	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2950	>	final FailingCompletableFutureFunction r
2951	>	= new FailingCompletableFutureFunction(m);
2952	>	if (!createIncomplete) assertTrue(f.complete(v1));
2953	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2954	>	if (createIncomplete) assertTrue(f.complete(v1));
2955
2833	–	f = new CompletableFuture<>();
2834	–	f.complete(one);
2835	–	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2956		checkCompletedWithWrappedCFException(g);
2957	<	}
2957	>	checkCompletedNormally(f, v1);
2958	>	}}
2959
2960		/**
2961		* thenCompose result completes exceptionally if source cancelled
2962		*/
2963	<	public void testThenCompose4() {
2964	<	CompletableFuture<Integer> f, g;
2965	<	CompletableFutureInc r;
2966	<
2967	<	f = new CompletableFuture<>();
2968	<	g = f.thenCompose(r = new CompletableFutureInc());
2969	<	assertTrue(f.cancel(true));
2970	<	checkCompletedWithWrappedCancellationException(g);
2971	<
2972	<	f = new CompletableFuture<>();
2973	<	assertTrue(f.cancel(true));
2974	<	g = f.thenCompose(r = new CompletableFutureInc());
2975	<	checkCompletedWithWrappedCancellationException(g);
2855	<	}
2856	<
2857	<	// asyncs
2858	<
2859	<	/**
2860	<	* thenRunAsync result completes normally after normal completion of source
2861	<	*/
2862	<	public void testThenRunAsync() {
2863	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2864	<	Noop r = new Noop();
2865	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2866	<	f.complete(null);
2867	<	checkCompletedNormally(g, null);
2868	<
2869	<	// reordered version
2870	<	f = new CompletableFuture<>();
2871	<	f.complete(null);
2872	<	r = new Noop();
2873	<	g = f.thenRunAsync(r);
2874	<	checkCompletedNormally(g, null);
2875	<	}
2876	<
2877	<	/**
2878	<	* thenRunAsync result completes exceptionally after exceptional
2879	<	* completion of source
2880	<	*/
2881	<	public void testThenRunAsync2() {
2882	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2883	<	Noop r = new Noop();
2884	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2885	<	f.completeExceptionally(new CFException());
2886	<	try {
2887	<	g.join();
2888	<	shouldThrow();
2889	<	} catch (CompletionException success) {}
2890	<	checkCompletedWithWrappedCFException(g);
2891	<	}
2892	<
2893	<	/**
2894	<	* thenRunAsync result completes exceptionally if action does
2895	<	*/
2896	<	public void testThenRunAsync3() {
2897	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2898	<	FailingNoop r = new FailingNoop();
2899	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2900	<	f.complete(null);
2901	<	checkCompletedWithWrappedCFException(g);
2902	<	}
2903	<
2904	<	/**
2905	<	* thenRunAsync result completes exceptionally if source cancelled
2906	<	*/
2907	<	public void testThenRunAsync4() {
2908	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2909	<	Noop r = new Noop();
2910	<	CompletableFuture<Void> g = f.thenRunAsync(r);
2911	<	assertTrue(f.cancel(true));
2912	<	checkCompletedWithWrappedCancellationException(g);
2913	<	}
2914	<
2915	<	/**
2916	<	* thenApplyAsync result completes normally after normal completion of source
2917	<	*/
2918	<	public void testThenApplyAsync() {
2919	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2920	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2921	<	f.complete(one);
2922	<	checkCompletedNormally(g, two);
2923	<	}
2924	<
2925	<	/**
2926	<	* thenApplyAsync result completes exceptionally after exceptional
2927	<	* completion of source
2928	<	*/
2929	<	public void testThenApplyAsync2() {
2930	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2931	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2932	<	f.completeExceptionally(new CFException());
2933	<	checkCompletedWithWrappedCFException(g);
2934	<	}
2935	<
2936	<	/**
2937	<	* thenApplyAsync result completes exceptionally if action does
2938	<	*/
2939	<	public void testThenApplyAsync3() {
2940	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2941	<	FailingFunction r = new FailingFunction();
2942	<	CompletableFuture<Integer> g = f.thenApplyAsync(r);
2943	<	f.complete(null);
2944	<	checkCompletedWithWrappedCFException(g);
2945	<	}
2946	<
2947	<	/**
2948	<	* thenApplyAsync result completes exceptionally if source cancelled
2949	<	*/
2950	<	public void testThenApplyAsync4() {
2951	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2952	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc);
2953	<	assertTrue(f.cancel(true));
2954	<	checkCompletedWithWrappedCancellationException(g);
2955	<	}
2956	<
2957	<	/**
2958	<	* thenAcceptAsync result completes normally after normal
2959	<	* completion of source
2960	<	*/
2961	<	public void testThenAcceptAsync() {
2962	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2963	<	IncAction r = new IncAction();
2964	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2965	<	f.complete(one);
2966	<	checkCompletedNormally(g, null);
2967	<	assertEquals(r.value, (Integer) 2);
2968	<	}
2969	<
2970	<	/**
2971	<	* thenAcceptAsync result completes exceptionally after exceptional
2972	<	* completion of source
2973	<	*/
2974	<	public void testThenAcceptAsync2() {
2975	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2976	<	IncAction r = new IncAction();
2977	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2978	<	f.completeExceptionally(new CFException());
2979	<	checkCompletedWithWrappedCFException(g);
2980	<	}
2981	<
2982	<	/**
2983	<	* thenAcceptAsync result completes exceptionally if action does
2984	<	*/
2985	<	public void testThenAcceptAsync3() {
2986	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2987	<	FailingConsumer r = new FailingConsumer();
2988	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
2989	<	f.complete(null);
2990	<	checkCompletedWithWrappedCFException(g);
2991	<	}
2992	<
2993	<	/**
2994	<	* thenAcceptAsync result completes exceptionally if source cancelled
2995	<	*/
2996	<	public void testThenAcceptAsync4() {
2997	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2998	<	IncAction r = new IncAction();
2999	<	CompletableFuture<Void> g = f.thenAcceptAsync(r);
3000	<	assertTrue(f.cancel(true));
3001	<	checkCompletedWithWrappedCancellationException(g);
3002	<	}
3003	<
3004	<	/**
3005	<	* thenComposeAsync result completes normally after normal
3006	<	* completion of source
3007	<	*/
3008	<	public void testThenComposeAsync() {
3009	<	CompletableFuture<Integer> f, g;
3010	<	CompletableFutureInc r;
3011	<
3012	<	f = new CompletableFuture<>();
3013	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3014	<	f.complete(one);
3015	<	checkCompletedNormally(g, two);
3016	<
3017	<	f = new CompletableFuture<>();
3018	<	f.complete(one);
3019	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3020	<	checkCompletedNormally(g, two);
3021	<	}
3022	<
3023	<	/**
3024	<	* thenComposeAsync result completes exceptionally after
3025	<	* exceptional completion of source
3026	<	*/
3027	<	public void testThenComposeAsync2() {
3028	<	CompletableFuture<Integer> f, g;
3029	<	CompletableFutureInc r;
3030	<
3031	<	f = new CompletableFuture<>();
3032	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3033	<	f.completeExceptionally(new CFException());
3034	<	checkCompletedWithWrappedCFException(g);
3035	<	assertFalse(r.ran);
3036	<
3037	<	f = new CompletableFuture<>();
3038	<	f.completeExceptionally(new CFException());
3039	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3040	<	checkCompletedWithWrappedCFException(g);
3041	<	assertFalse(r.ran);
3042	<	}
3043	<
3044	<	/**
3045	<	* thenComposeAsync result completes exceptionally if action does
3046	<	*/
3047	<	public void testThenComposeAsync3() {
3048	<	CompletableFuture<Integer> f, g;
3049	<	FailingCompletableFutureFunction r;
3050	<
3051	<	f = new CompletableFuture<>();
3052	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
3053	<	f.complete(one);
3054	<	checkCompletedWithWrappedCFException(g);
3055	<
3056	<	f = new CompletableFuture<>();
3057	<	f.complete(one);
3058	<	g = f.thenComposeAsync(r = new FailingCompletableFutureFunction());
3059	<	checkCompletedWithWrappedCFException(g);
3060	<	}
3061	<
3062	<	/**
3063	<	* thenComposeAsync result completes exceptionally if source cancelled
3064	<	*/
3065	<	public void testThenComposeAsync4() {
3066	<	CompletableFuture<Integer> f, g;
3067	<	CompletableFutureInc r;
3068	<
3069	<	f = new CompletableFuture<>();
3070	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3071	<	assertTrue(f.cancel(true));
3072	<	checkCompletedWithWrappedCancellationException(g);
3073	<
3074	<	f = new CompletableFuture<>();
3075	<	assertTrue(f.cancel(true));
3076	<	g = f.thenComposeAsync(r = new CompletableFutureInc());
3077	<	checkCompletedWithWrappedCancellationException(g);
3078	<	}
3079	<
3080	<	// async with explicit executors
3081	<
3082	<	/**
3083	<	* thenRunAsync result completes normally after normal completion of source
3084	<	*/
3085	<	public void testThenRunAsyncE() {
3086	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3087	<	Noop r = new Noop();
3088	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3089	<	f.complete(null);
3090	<	checkCompletedNormally(g, null);
3091	<
3092	<	// reordered version
3093	<	f = new CompletableFuture<>();
3094	<	f.complete(null);
3095	<	r = new Noop();
3096	<	g = f.thenRunAsync(r, new ThreadExecutor());
3097	<	checkCompletedNormally(g, null);
3098	<	}
3099	<
3100	<	/**
3101	<	* thenRunAsync result completes exceptionally after exceptional
3102	<	* completion of source
3103	<	*/
3104	<	public void testThenRunAsync2E() {
3105	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3106	<	Noop r = new Noop();
3107	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3108	<	f.completeExceptionally(new CFException());
3109	<	try {
3110	<	g.join();
3111	<	shouldThrow();
3112	<	} catch (CompletionException success) {}
3113	<	checkCompletedWithWrappedCFException(g);
3114	<	}
3115	<
3116	<	/**
3117	<	* thenRunAsync result completes exceptionally if action does
3118	<	*/
3119	<	public void testThenRunAsync3E() {
3120	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3121	<	FailingNoop r = new FailingNoop();
3122	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3123	<	f.complete(null);
3124	<	checkCompletedWithWrappedCFException(g);
3125	<	}
3126	<
3127	<	/**
3128	<	* thenRunAsync result completes exceptionally if source cancelled
3129	<	*/
3130	<	public void testThenRunAsync4E() {
3131	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3132	<	Noop r = new Noop();
3133	<	CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor());
3134	<	assertTrue(f.cancel(true));
3135	<	checkCompletedWithWrappedCancellationException(g);
3136	<	}
3137	<
3138	<	/**
3139	<	* thenApplyAsync result completes normally after normal completion of source
3140	<	*/
3141	<	public void testThenApplyAsyncE() {
3142	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3143	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3144	<	f.complete(one);
3145	<	checkCompletedNormally(g, two);
3146	<	}
3147	<
3148	<	/**
3149	<	* thenApplyAsync result completes exceptionally after exceptional
3150	<	* completion of source
3151	<	*/
3152	<	public void testThenApplyAsync2E() {
3153	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3154	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3155	<	f.completeExceptionally(new CFException());
3156	<	checkCompletedWithWrappedCFException(g);
3157	<	}
3158	<
3159	<	/**
3160	<	* thenApplyAsync result completes exceptionally if action does
3161	<	*/
3162	<	public void testThenApplyAsync3E() {
3163	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3164	<	FailingFunction r = new FailingFunction();
3165	<	CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor());
3166	<	f.complete(null);
3167	<	checkCompletedWithWrappedCFException(g);
3168	<	}
3169	<
3170	<	/**
3171	<	* thenApplyAsync result completes exceptionally if source cancelled
3172	<	*/
3173	<	public void testThenApplyAsync4E() {
3174	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3175	<	CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor());
3176	<	assertTrue(f.cancel(true));
3177	<	checkCompletedWithWrappedCancellationException(g);
3178	<	}
3179	<
3180	<	/**
3181	<	* thenAcceptAsync result completes normally after normal
3182	<	* completion of source
3183	<	*/
3184	<	public void testThenAcceptAsyncE() {
3185	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3186	<	IncAction r = new IncAction();
3187	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3188	<	f.complete(one);
3189	<	checkCompletedNormally(g, null);
3190	<	assertEquals(r.value, (Integer) 2);
3191	<	}
3192	<
3193	<	/**
3194	<	* thenAcceptAsync result completes exceptionally after exceptional
3195	<	* completion of source
3196	<	*/
3197	<	public void testThenAcceptAsync2E() {
3198	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3199	<	IncAction r = new IncAction();
3200	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3201	<	f.completeExceptionally(new CFException());
3202	<	checkCompletedWithWrappedCFException(g);
3203	<	}
3204	<
3205	<	/**
3206	<	* thenAcceptAsync result completes exceptionally if action does
3207	<	*/
3208	<	public void testThenAcceptAsync3E() {
3209	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3210	<	FailingConsumer r = new FailingConsumer();
3211	<	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3212	<	f.complete(null);
3213	<	checkCompletedWithWrappedCFException(g);
3214	<	}
2963	>	public void testThenCompose_sourceCancelled() {
2964	>	for (ExecutionMode m : ExecutionMode.values())
2965	>	for (boolean createIncomplete : new boolean[] { true, false })
2966	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2967	>	{
2968	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2969	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2970	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2971	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2972	>	if (createIncomplete) {
2973	>	checkIncomplete(g);
2974	>	assertTrue(f.cancel(mayInterruptIfRunning));
2975	>	}
2976
3216	–	/**
3217	–	* thenAcceptAsync result completes exceptionally if source cancelled
3218	–	*/
3219	–	public void testThenAcceptAsync4E() {
3220	–	CompletableFuture<Integer> f = new CompletableFuture<>();
3221	–	IncAction r = new IncAction();
3222	–	CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor());
3223	–	assertTrue(f.cancel(true));
2977		checkCompletedWithWrappedCancellationException(g);
2978	<	}
2979	<
3227	<	/**
3228	<	* thenComposeAsync result completes normally after normal
3229	<	* completion of source
3230	<	*/
3231	<	public void testThenComposeAsyncE() {
3232	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3233	<	CompletableFutureInc r = new CompletableFutureInc();
3234	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3235	<	f.complete(one);
3236	<	checkCompletedNormally(g, two);
3237	<	}
3238	<
3239	<	/**
3240	<	* thenComposeAsync result completes exceptionally after
3241	<	* exceptional completion of source
3242	<	*/
3243	<	public void testThenComposeAsync2E() {
3244	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3245	<	CompletableFutureInc r = new CompletableFutureInc();
3246	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3247	<	f.completeExceptionally(new CFException());
3248	<	checkCompletedWithWrappedCFException(g);
3249	<	}
2978	>	checkCancelled(f);
2979	>	}}
2980
2981		/**
2982	<	* thenComposeAsync result completes exceptionally if action does
2982	>	* thenCompose result completes exceptionally if the result of the action does
2983		*/
2984	<	public void testThenComposeAsync3E() {
2985	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2986	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2987	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2988	<	f.complete(one);
2989	<	checkCompletedWithWrappedCFException(g);
2990	<	}
2984	>	public void testThenCompose_actionReturnsFailingFuture() {
2985	>	for (ExecutionMode m : ExecutionMode.values())
2986	>	for (int order = 0; order < 6; order++)
2987	>	for (Integer v1 : new Integer[] { 1, null })
2988	>	{
2989	>	final CFException ex = new CFException();
2990	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2991	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2992	>	final CompletableFuture<Integer> h;
2993	>	// Test all permutations of orders
2994	>	switch (order) {
2995	>	case 0:
2996	>	assertTrue(f.complete(v1));
2997	>	assertTrue(g.completeExceptionally(ex));
2998	>	h = m.thenCompose(f, (x -> g));
2999	>	break;
3000	>	case 1:
3001	>	assertTrue(f.complete(v1));
3002	>	h = m.thenCompose(f, (x -> g));
3003	>	assertTrue(g.completeExceptionally(ex));
3004	>	break;
3005	>	case 2:
3006	>	assertTrue(g.completeExceptionally(ex));
3007	>	assertTrue(f.complete(v1));
3008	>	h = m.thenCompose(f, (x -> g));
3009	>	break;
3010	>	case 3:
3011	>	assertTrue(g.completeExceptionally(ex));
3012	>	h = m.thenCompose(f, (x -> g));
3013	>	assertTrue(f.complete(v1));
3014	>	break;
3015	>	case 4:
3016	>	h = m.thenCompose(f, (x -> g));
3017	>	assertTrue(f.complete(v1));
3018	>	assertTrue(g.completeExceptionally(ex));
3019	>	break;
3020	>	case 5:
3021	>	h = m.thenCompose(f, (x -> g));
3022	>	assertTrue(f.complete(v1));
3023	>	assertTrue(g.completeExceptionally(ex));
3024	>	break;
3025	>	default: throw new AssertionError();
3026	>	}
3027
3028	<	/**
3029	<	* thenComposeAsync result completes exceptionally if source cancelled
3030	<	*/
3031	<	public void testThenComposeAsync4E() {
3266	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3267	<	CompletableFutureInc r = new CompletableFutureInc();
3268	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
3269	<	assertTrue(f.cancel(true));
3270	<	checkCompletedWithWrappedCancellationException(g);
3271	<	}
3028	>	checkCompletedExceptionally(g, ex);
3029	>	checkCompletedWithWrappedException(h, ex);
3030	>	checkCompletedNormally(f, v1);
3031	>	}}
3032
3033		// other static methods
3034
#	Line 3286 | Line 3046 | public class CompletableFutureTest exten
3046		* when all components complete normally
3047		*/
3048		public void testAllOf_normal() throws Exception {
3049	<	for (int k = 1; k < 20; ++k) {
3050	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3051	<	for (int i = 0; i < k; ++i)
3049	>	for (int k = 1; k < 10; k++) {
3050	>	CompletableFuture<Integer>[] fs
3051	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3052	>	for (int i = 0; i < k; i++)
3053		fs[i] = new CompletableFuture<>();
3054		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3055	<	for (int i = 0; i < k; ++i) {
3055	>	for (int i = 0; i < k; i++) {
3056		checkIncomplete(f);
3057		checkIncomplete(CompletableFuture.allOf(fs));
3058		fs[i].complete(one);
#	Line 3301 | Line 3062 | public class CompletableFutureTest exten
3062		}
3063		}
3064
3065	+	public void testAllOf_backwards() throws Exception {
3066	+	for (int k = 1; k < 10; k++) {
3067	+	CompletableFuture<Integer>[] fs
3068	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3069	+	for (int i = 0; i < k; i++)
3070	+	fs[i] = new CompletableFuture<>();
3071	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3072	+	for (int i = k - 1; i >= 0; i--) {
3073	+	checkIncomplete(f);
3074	+	checkIncomplete(CompletableFuture.allOf(fs));
3075	+	fs[i].complete(one);
3076	+	}
3077	+	checkCompletedNormally(f, null);
3078	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3079	+	}
3080	+	}
3081	+
3082	+	public void testAllOf_exceptional() throws Exception {
3083	+	for (int k = 1; k < 10; k++) {
3084	+	CompletableFuture<Integer>[] fs
3085	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3086	+	CFException ex = new CFException();
3087	+	for (int i = 0; i < k; i++)
3088	+	fs[i] = new CompletableFuture<>();
3089	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3090	+	for (int i = 0; i < k; i++) {
3091	+	checkIncomplete(f);
3092	+	checkIncomplete(CompletableFuture.allOf(fs));
3093	+	if (i != k / 2) {
3094	+	fs[i].complete(i);
3095	+	checkCompletedNormally(fs[i], i);
3096	+	} else {
3097	+	fs[i].completeExceptionally(ex);
3098	+	checkCompletedExceptionally(fs[i], ex);
3099	+	}
3100	+	}
3101	+	checkCompletedWithWrappedException(f, ex);
3102	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3103	+	}
3104	+	}
3105	+
3106		/**
3107		* anyOf(no component futures) returns an incomplete future
3108		*/
3109		public void testAnyOf_empty() throws Exception {
3110	+	for (Integer v1 : new Integer[] { 1, null })
3111	+	{
3112		CompletableFuture<Object> f = CompletableFuture.anyOf();
3113		checkIncomplete(f);
3114	<	}
3114	>
3115	>	f.complete(v1);
3116	>	checkCompletedNormally(f, v1);
3117	>	}}
3118
3119		/**
3120		* anyOf returns a future completed normally with a value when
3121		* a component future does
3122		*/
3123		public void testAnyOf_normal() throws Exception {
3124	<	for (int k = 0; k < 10; ++k) {
3124	>	for (int k = 0; k < 10; k++) {
3125		CompletableFuture[] fs = new CompletableFuture[k];
3126	<	for (int i = 0; i < k; ++i)
3126	>	for (int i = 0; i < k; i++)
3127		fs[i] = new CompletableFuture<>();
3128		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3129		checkIncomplete(f);
3130	<	for (int i = 0; i < k; ++i) {
3131	<	fs[i].complete(one);
3132	<	checkCompletedNormally(f, one);
3133	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3130	>	for (int i = 0; i < k; i++) {
3131	>	fs[i].complete(i);
3132	>	checkCompletedNormally(f, 0);
3133	>	int x = (int) CompletableFuture.anyOf(fs).join();
3134	>	assertTrue(0 <= x && x <= i);
3135	>	}
3136	>	}
3137	>	}
3138	>	public void testAnyOf_normal_backwards() throws Exception {
3139	>	for (int k = 0; k < 10; k++) {
3140	>	CompletableFuture[] fs = new CompletableFuture[k];
3141	>	for (int i = 0; i < k; i++)
3142	>	fs[i] = new CompletableFuture<>();
3143	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3144	>	checkIncomplete(f);
3145	>	for (int i = k - 1; i >= 0; i--) {
3146	>	fs[i].complete(i);
3147	>	checkCompletedNormally(f, k - 1);
3148	>	int x = (int) CompletableFuture.anyOf(fs).join();
3149	>	assertTrue(i <= x && x <= k - 1);
3150		}
3151		}
3152		}
#	Line 3332 | Line 3155 | public class CompletableFutureTest exten
3155		* anyOf result completes exceptionally when any component does.
3156		*/
3157		public void testAnyOf_exceptional() throws Exception {
3158	<	for (int k = 0; k < 10; ++k) {
3158	>	for (int k = 0; k < 10; k++) {
3159		CompletableFuture[] fs = new CompletableFuture[k];
3160	<	for (int i = 0; i < k; ++i)
3160	>	CFException[] exs = new CFException[k];
3161	>	for (int i = 0; i < k; i++) {
3162		fs[i] = new CompletableFuture<>();
3163	+	exs[i] = new CFException();
3164	+	}
3165		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3166		checkIncomplete(f);
3167	<	for (int i = 0; i < k; ++i) {
3168	<	fs[i].completeExceptionally(new CFException());
3169	<	checkCompletedWithWrappedCFException(f);
3167	>	for (int i = 0; i < k; i++) {
3168	>	fs[i].completeExceptionally(exs[i]);
3169	>	checkCompletedWithWrappedException(f, exs[0]);
3170	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3171	>	}
3172	>	}
3173	>	}
3174	>
3175	>	public void testAnyOf_exceptional_backwards() throws Exception {
3176	>	for (int k = 0; k < 10; k++) {
3177	>	CompletableFuture[] fs = new CompletableFuture[k];
3178	>	CFException[] exs = new CFException[k];
3179	>	for (int i = 0; i < k; i++) {
3180	>	fs[i] = new CompletableFuture<>();
3181	>	exs[i] = new CFException();
3182	>	}
3183	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3184	>	checkIncomplete(f);
3185	>	for (int i = k - 1; i >= 0; i--) {
3186	>	fs[i].completeExceptionally(exs[i]);
3187	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3188		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3189		}
3190		}
#	Line 3353 | Line 3197 | public class CompletableFutureTest exten
3197		CompletableFuture<Integer> f = new CompletableFuture<>();
3198		CompletableFuture<Integer> g = new CompletableFuture<>();
3199		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3356	–	CompletableFuture<?> h;
3200		ThreadExecutor exec = new ThreadExecutor();
3201
3202		Runnable[] throwingActions = {
3203		() -> CompletableFuture.supplyAsync(null),
3204		() -> CompletableFuture.supplyAsync(null, exec),
3205	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3205	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3206
3207		() -> CompletableFuture.runAsync(null),
3208		() -> CompletableFuture.runAsync(null, exec),
#	Line 3432 | Line 3275 | public class CompletableFutureTest exten
3275
3276		() -> f.thenCompose(null),
3277		() -> f.thenComposeAsync(null),
3278	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3278	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3279		() -> f.thenComposeAsync(null, exec),
3280
3281		() -> f.exceptionally(null),
#	Line 3450 | Line 3293 | public class CompletableFutureTest exten
3293		() -> CompletableFuture.anyOf(null, f),
3294
3295		() -> f.obtrudeException(null),
3296	+
3297	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3298	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3299	+	() -> CompletableFuture.delayedExecutor(1L, null),
3300	+
3301	+	() -> f.orTimeout(1L, null),
3302	+	() -> f.completeOnTimeout(42, 1L, null),
3303	+
3304	+	() -> CompletableFuture.failedFuture(null),
3305	+	() -> CompletableFuture.failedStage(null),
3306		};
3307
3308		assertThrows(NullPointerException.class, throwingActions);
#	Line 3464 | Line 3317 | public class CompletableFutureTest exten
3317		assertSame(f, f.toCompletableFuture());
3318		}
3319
3320	+	// jdk9
3321	+
3322		/**
3323	<	* whenComplete action executes on normal completion, propagating
3469	<	* source result.
3323	>	* newIncompleteFuture returns an incomplete CompletableFuture
3324		*/
3325	<	public void testWhenComplete1() {
3326	<	final AtomicInteger a = new AtomicInteger();
3325	>	public void testNewIncompleteFuture() {
3326	>	for (Integer v1 : new Integer[] { 1, null })
3327	>	{
3328		CompletableFuture<Integer> f = new CompletableFuture<>();
3329	<	CompletableFuture<Integer> g =
3330	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3331	<	f.complete(three);
3332	<	checkCompletedNormally(f, three);
3333	<	checkCompletedNormally(g, three);
3334	<	assertEquals(a.get(), 1);
3329	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3330	>	checkIncomplete(f);
3331	>	checkIncomplete(g);
3332	>	f.complete(v1);
3333	>	checkCompletedNormally(f, v1);
3334	>	checkIncomplete(g);
3335	>	g.complete(v1);
3336	>	checkCompletedNormally(g, v1);
3337	>	assertSame(g.getClass(), CompletableFuture.class);
3338	>	}}
3339	>
3340	>	/**
3341	>	* completedStage returns a completed CompletionStage
3342	>	*/
3343	>	public void testCompletedStage() {
3344	>	AtomicInteger x = new AtomicInteger(0);
3345	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3346	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3347	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3348	>	assertEquals(x.get(), 1);
3349	>	assertNull(r.get());
3350		}
3351
3352		/**
3353	<	* whenComplete action executes on exceptional completion, propagating
3354	<	* source result.
3353	>	* defaultExecutor by default returns the commonPool if
3354	>	* it supports more than one thread.
3355		*/
3356	<	public void testWhenComplete2() {
3487	<	final AtomicInteger a = new AtomicInteger();
3356	>	public void testDefaultExecutor() {
3357		CompletableFuture<Integer> f = new CompletableFuture<>();
3358	<	CompletableFuture<Integer> g =
3359	<	f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement());
3360	<	f.completeExceptionally(new CFException());
3361	<	assertTrue(f.isCompletedExceptionally());
3362	<	assertTrue(g.isCompletedExceptionally());
3363	<	assertEquals(a.get(), 1);
3358	>	Executor e = f.defaultExecutor();
3359	>	Executor c = ForkJoinPool.commonPool();
3360	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3361	>	assertSame(e, c);
3362	>	else
3363	>	assertNotSame(e, c);
3364		}
3365
3366		/**
3367	<	* If a whenComplete action throws an exception when triggered by
3368	<	* a normal completion, it completes exceptionally
3367	>	* failedFuture returns a CompletableFuture completed
3368	>	* exceptionally with the given Exception
3369		*/
3370	<	public void testWhenComplete3() {
3371	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3372	<	CompletableFuture<Integer> g =
3373	<	f.whenComplete((Integer x, Throwable t) ->
3505	<	{ throw new CFException(); } );
3506	<	f.complete(three);
3507	<	checkCompletedNormally(f, three);
3508	<	assertTrue(g.isCompletedExceptionally());
3509	<	checkCompletedWithWrappedCFException(g);
3370	>	public void testFailedFuture() {
3371	>	CFException ex = new CFException();
3372	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3373	>	checkCompletedExceptionally(f, ex);
3374		}
3375
3376		/**
3377	<	* whenCompleteAsync action executes on normal completion, propagating
3514	<	* source result.
3377	>	* failedFuture(null) throws NPE
3378		*/
3379	<	public void testWhenCompleteAsync1() {
3380	<	final AtomicInteger a = new AtomicInteger();
3381	<	CompletableFuture<Integer> f = new CompletableFuture<>();
3382	<	CompletableFuture<Integer> g =
3383	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3521	<	f.complete(three);
3522	<	checkCompletedNormally(f, three);
3523	<	checkCompletedNormally(g, three);
3524	<	assertEquals(a.get(), 1);
3379	>	public void testFailedFuture_null() {
3380	>	try {
3381	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3382	>	shouldThrow();
3383	>	} catch (NullPointerException success) {}
3384		}
3385
3386		/**
3387	<	* whenCompleteAsync action executes on exceptional completion, propagating
3388	<	* source result.
3387	>	* copy returns a CompletableFuture that is completed normally,
3388	>	* with the same value, when source is.
3389		*/
3390	<	public void testWhenCompleteAsync2() {
3532	<	final AtomicInteger a = new AtomicInteger();
3390	>	public void testCopy() {
3391		CompletableFuture<Integer> f = new CompletableFuture<>();
3392	<	CompletableFuture<Integer> g =
3393	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement());
3394	<	f.completeExceptionally(new CFException());
3395	<	checkCompletedWithWrappedCFException(f);
3396	<	checkCompletedWithWrappedCFException(g);
3392	>	CompletableFuture<Integer> g = f.copy();
3393	>	checkIncomplete(f);
3394	>	checkIncomplete(g);
3395	>	f.complete(1);
3396	>	checkCompletedNormally(f, 1);
3397	>	checkCompletedNormally(g, 1);
3398		}
3399
3400		/**
3401	<	* If a whenCompleteAsync action throws an exception when
3402	<	* triggered by a normal completion, it completes exceptionally
3401	>	* copy returns a CompletableFuture that is completed exceptionally
3402	>	* when source is.
3403		*/
3404	<	public void testWhenCompleteAsync3() {
3404	>	public void testCopy2() {
3405		CompletableFuture<Integer> f = new CompletableFuture<>();
3406	<	CompletableFuture<Integer> g =
3407	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3408	<	{ throw new CFException(); } );
3409	<	f.complete(three);
3410	<	checkCompletedNormally(f, three);
3411	<	checkCompletedWithWrappedCFException(g);
3406	>	CompletableFuture<Integer> g = f.copy();
3407	>	checkIncomplete(f);
3408	>	checkIncomplete(g);
3409	>	CFException ex = new CFException();
3410	>	f.completeExceptionally(ex);
3411	>	checkCompletedExceptionally(f, ex);
3412	>	checkCompletedWithWrappedException(g, ex);
3413		}
3414
3415		/**
3416	<	* whenCompleteAsync action executes on normal completion, propagating
3417	<	* source result.
3416	>	* minimalCompletionStage returns a CompletableFuture that is
3417	>	* completed normally, with the same value, when source is.
3418		*/
3419	<	public void testWhenCompleteAsync1e() {
3560	<	final AtomicInteger a = new AtomicInteger();
3561	<	ThreadExecutor exec = new ThreadExecutor();
3419	>	public void testMinimalCompletionStage() {
3420		CompletableFuture<Integer> f = new CompletableFuture<>();
3421	<	CompletableFuture<Integer> g =
3422	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3423	<	exec);
3424	<	f.complete(three);
3425	<	checkCompletedNormally(f, three);
3426	<	checkCompletedNormally(g, three);
3427	<	assertEquals(a.get(), 1);
3421	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3422	>	AtomicInteger x = new AtomicInteger(0);
3423	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3424	>	checkIncomplete(f);
3425	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3426	>	f.complete(1);
3427	>	checkCompletedNormally(f, 1);
3428	>	assertEquals(x.get(), 1);
3429	>	assertNull(r.get());
3430		}
3431
3432		/**
3433	<	* whenCompleteAsync action executes on exceptional completion, propagating
3434	<	* source result.
3433	>	* minimalCompletionStage returns a CompletableFuture that is
3434	>	* completed exceptionally when source is.
3435		*/
3436	<	public void testWhenCompleteAsync2e() {
3577	<	final AtomicInteger a = new AtomicInteger();
3578	<	ThreadExecutor exec = new ThreadExecutor();
3436	>	public void testMinimalCompletionStage2() {
3437		CompletableFuture<Integer> f = new CompletableFuture<>();
3438	<	CompletableFuture<Integer> g =
3439	<	f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(),
3440	<	exec);
3441	<	f.completeExceptionally(new CFException());
3442	<	checkCompletedWithWrappedCFException(f);
3443	<	checkCompletedWithWrappedCFException(g);
3438	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3439	>	AtomicInteger x = new AtomicInteger(0);
3440	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3441	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3442	>	checkIncomplete(f);
3443	>	CFException ex = new CFException();
3444	>	f.completeExceptionally(ex);
3445	>	checkCompletedExceptionally(f, ex);
3446	>	assertEquals(x.get(), 0);
3447	>	assertEquals(r.get().getCause(), ex);
3448		}
3449
3450		/**
3451	<	* If a whenCompleteAsync action throws an exception when triggered
3452	<	* by a normal completion, it completes exceptionally
3451	>	* failedStage returns a CompletionStage completed
3452	>	* exceptionally with the given Exception
3453		*/
3454	<	public void testWhenCompleteAsync3e() {
3455	<	ThreadExecutor exec = new ThreadExecutor();
3454	>	public void testFailedStage() {
3455	>	CFException ex = new CFException();
3456	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3457	>	AtomicInteger x = new AtomicInteger(0);
3458	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3459	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3460	>	assertEquals(x.get(), 0);
3461	>	assertEquals(r.get(), ex);
3462	>	}
3463	>
3464	>	/**
3465	>	* completeAsync completes with value of given supplier
3466	>	*/
3467	>	public void testCompleteAsync() {
3468	>	for (Integer v1 : new Integer[] { 1, null })
3469	>	{
3470		CompletableFuture<Integer> f = new CompletableFuture<>();
3471	<	CompletableFuture<Integer> g =
3472	<	f.whenCompleteAsync((Integer x, Throwable t) ->
3473	<	{ throw new CFException(); },
3474	<	exec);
3475	<	f.complete(three);
3476	<	checkCompletedNormally(f, three);
3477	<	checkCompletedWithWrappedCFException(g);
3471	>	f.completeAsync(() -> v1);
3472	>	f.join();
3473	>	checkCompletedNormally(f, v1);
3474	>	}}
3475	>
3476	>	/**
3477	>	* completeAsync completes exceptionally if given supplier throws
3478	>	*/
3479	>	public void testCompleteAsync2() {
3480	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3481	>	CFException ex = new CFException();
3482	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3483	>	try {
3484	>	f.join();
3485	>	shouldThrow();
3486	>	} catch (CompletionException success) {}
3487	>	checkCompletedWithWrappedException(f, ex);
3488		}
3489
3490		/**
3491	<	* handleAsync action completes normally with function value on
3606	<	* either normal or exceptional completion of source
3491	>	* completeAsync with given executor completes with value of given supplier
3492		*/
3493	<	public void testHandleAsync() {
3494	<	CompletableFuture<Integer> f, g;
3495	<	IntegerHandler r;
3493	>	public void testCompleteAsync3() {
3494	>	for (Integer v1 : new Integer[] { 1, null })
3495	>	{
3496	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3497	>	ThreadExecutor executor = new ThreadExecutor();
3498	>	f.completeAsync(() -> v1, executor);
3499	>	assertSame(v1, f.join());
3500	>	checkCompletedNormally(f, v1);
3501	>	assertEquals(1, executor.count.get());
3502	>	}}
3503
3504	<	f = new CompletableFuture<>();
3505	<	g = f.handleAsync(r = new IntegerHandler());
3506	<	assertFalse(r.ran);
3507	<	f.completeExceptionally(new CFException());
3508	<	checkCompletedWithWrappedCFException(f);
3509	<	checkCompletedNormally(g, three);
3510	<	assertTrue(r.ran);
3504	>	/**
3505	>	* completeAsync with given executor completes exceptionally if
3506	>	* given supplier throws
3507	>	*/
3508	>	public void testCompleteAsync4() {
3509	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3510	>	CFException ex = new CFException();
3511	>	ThreadExecutor executor = new ThreadExecutor();
3512	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3513	>	try {
3514	>	f.join();
3515	>	shouldThrow();
3516	>	} catch (CompletionException success) {}
3517	>	checkCompletedWithWrappedException(f, ex);
3518	>	assertEquals(1, executor.count.get());
3519	>	}
3520
3521	<	f = new CompletableFuture<>();
3522	<	g = f.handleAsync(r = new IntegerHandler());
3523	<	assertFalse(r.ran);
3524	<	f.completeExceptionally(new CFException());
3525	<	checkCompletedWithWrappedCFException(f);
3526	<	checkCompletedNormally(g, three);
3527	<	assertTrue(r.ran);
3521	>	/**
3522	>	* orTimeout completes with TimeoutException if not complete
3523	>	*/
3524	>	public void testOrTimeout_timesOut() {
3525	>	long timeoutMillis = timeoutMillis();
3526	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3527	>	long startTime = System.nanoTime();
3528	>	assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS));
3529	>	checkCompletedWithTimeoutException(f);
3530	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3531	>	}
3532
3533	<	f = new CompletableFuture<>();
3534	<	g = f.handleAsync(r = new IntegerHandler());
3535	<	assertFalse(r.ran);
3536	<	f.complete(one);
3537	<	checkCompletedNormally(f, one);
3538	<	checkCompletedNormally(g, two);
3539	<	assertTrue(r.ran);
3533	>	/**
3534	>	* orTimeout completes normally if completed before timeout
3535	>	*/
3536	>	public void testOrTimeout_completed() {
3537	>	for (Integer v1 : new Integer[] { 1, null })
3538	>	{
3539	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3540	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3541	>	long startTime = System.nanoTime();
3542	>	f.complete(v1);
3543	>	assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3544	>	assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS));
3545	>	g.complete(v1);
3546	>	checkCompletedNormally(f, v1);
3547	>	checkCompletedNormally(g, v1);
3548	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3549	>	}}
3550
3551	<	f = new CompletableFuture<>();
3552	<	g = f.handleAsync(r = new IntegerHandler());
3553	<	assertFalse(r.ran);
3554	<	f.complete(one);
3555	<	checkCompletedNormally(f, one);
3556	<	checkCompletedNormally(g, two);
3642	<	assertTrue(r.ran);
3551	>	/**
3552	>	* completeOnTimeout completes with given value if not complete
3553	>	*/
3554	>	public void testCompleteOnTimeout_timesOut() {
3555	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3556	>	() -> testCompleteOnTimeout_timesOut(null));
3557		}
3558
3559		/**
3560	<	* handleAsync action with Executor completes normally with
3647	<	* function value on either normal or exceptional completion of
3648	<	* source
3560	>	* completeOnTimeout completes with given value if not complete
3561		*/
3562	<	public void testHandleAsync2() {
3563	<	CompletableFuture<Integer> f, g;
3564	<	ThreadExecutor exec = new ThreadExecutor();
3565	<	IntegerHandler r;
3562	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3563	>	long timeoutMillis = timeoutMillis();
3564	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3565	>	long startTime = System.nanoTime();
3566	>	assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS));
3567	>	assertSame(v, f.join());
3568	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3569	>	f.complete(99);         // should have no effect
3570	>	checkCompletedNormally(f, v);
3571	>	}
3572
3573	<	f = new CompletableFuture<>();
3574	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3575	<	assertFalse(r.ran);
3576	<	f.completeExceptionally(new CFException());
3577	<	checkCompletedWithWrappedCFException(f);
3578	<	checkCompletedNormally(g, three);
3579	<	assertTrue(r.ran);
3573	>	/**
3574	>	* completeOnTimeout has no effect if completed within timeout
3575	>	*/
3576	>	public void testCompleteOnTimeout_completed() {
3577	>	for (Integer v1 : new Integer[] { 1, null })
3578	>	{
3579	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3580	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3581	>	long startTime = System.nanoTime();
3582	>	f.complete(v1);
3583	>	assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3584	>	assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS));
3585	>	g.complete(v1);
3586	>	checkCompletedNormally(f, v1);
3587	>	checkCompletedNormally(g, v1);
3588	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3589	>	}}
3590
3591	<	f = new CompletableFuture<>();
3592	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3593	<	assertFalse(r.ran);
3594	<	f.completeExceptionally(new CFException());
3595	<	checkCompletedWithWrappedCFException(f);
3596	<	checkCompletedNormally(g, three);
3597	<	assertTrue(r.ran);
3591	>	/**
3592	>	* delayedExecutor returns an executor that delays submission
3593	>	*/
3594	>	public void testDelayedExecutor() {
3595	>	testInParallel(() -> testDelayedExecutor(null, null),
3596	>	() -> testDelayedExecutor(null, 1),
3597	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3598	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3599	>	}
3600
3601	<	f = new CompletableFuture<>();
3602	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3603	<	assertFalse(r.ran);
3604	<	f.complete(one);
3605	<	checkCompletedNormally(f, one);
3606	<	checkCompletedNormally(g, two);
3607	<	assertTrue(r.ran);
3601	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3602	>	long timeoutMillis = timeoutMillis();
3603	>	// Use an "unreasonably long" long timeout to catch lingering threads
3604	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3605	>	final Executor delayer, longDelayer;
3606	>	if (executor == null) {
3607	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3608	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3609	>	} else {
3610	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3611	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3612	>	}
3613	>	long startTime = System.nanoTime();
3614	>	CompletableFuture<Integer> f =
3615	>	CompletableFuture.supplyAsync(() -> v, delayer);
3616	>	CompletableFuture<Integer> g =
3617	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3618
3619	<	f = new CompletableFuture<>();
3620	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3621	<	assertFalse(r.ran);
3622	<	f.complete(one);
3623	<	checkCompletedNormally(f, one);
3624	<	checkCompletedNormally(g, two);
3625	<	assertTrue(r.ran);
3619	>	assertNull(g.getNow(null));
3620	>
3621	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3622	>	long millisElapsed = millisElapsedSince(startTime);
3623	>	assertTrue(millisElapsed >= timeoutMillis);
3624	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3625	>
3626	>	checkCompletedNormally(f, v);
3627	>
3628	>	checkIncomplete(g);
3629	>	assertTrue(g.cancel(true));
3630	>	}
3631	>
3632	>	//--- tests of implementation details; not part of official tck ---
3633	>
3634	>	Object resultOf(CompletableFuture<?> f) {
3635	>	SecurityManager sm = System.getSecurityManager();
3636	>	if (sm != null) {
3637	>	try {
3638	>	System.setSecurityManager(null);
3639	>	} catch (SecurityException giveUp) {
3640	>	return "Reflection not available";
3641	>	}
3642	>	}
3643	>
3644	>	try {
3645	>	java.lang.reflect.Field resultField
3646	>	= CompletableFuture.class.getDeclaredField("result");
3647	>	resultField.setAccessible(true);
3648	>	return resultField.get(f);
3649	>	} catch (Throwable t) {
3650	>	throw new AssertionError(t);
3651	>	} finally {
3652	>	if (sm != null) System.setSecurityManager(sm);
3653	>	}
3654		}
3655
3656	+	public void testExceptionPropagationReusesResultObject() {
3657	+	if (!testImplementationDetails) return;
3658	+	for (ExecutionMode m : ExecutionMode.values())
3659	+	{
3660	+	final CFException ex = new CFException();
3661	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3662	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3663	+
3664	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3665	+	= new ArrayList<>();
3666	+
3667	+	funs.add((y) -> m.thenRun(y, new Noop(m)));
3668	+	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3669	+	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3670	+
3671	+	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3672	+	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3673	+	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3674	+
3675	+	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3676	+	funs.add((y) -> m.runAfterBoth(v42, y, new Noop(m)));
3677	+	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3678	+	funs.add((y) -> m.thenAcceptBoth(v42, y, new SubtractAction(m)));
3679	+	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3680	+	funs.add((y) -> m.thenCombine(v42, y, new SubtractFunction(m)));
3681	+
3682	+	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3683	+
3684	+	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3685	+
3686	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y}));
3687	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3688	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {v42, y}));
3689	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y}));
3690	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3691	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {incomplete, y}));
3692	+
3693	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3694	+	fun : funs) {
3695	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3696	+	f.completeExceptionally(ex);
3697	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3698	+	checkCompletedWithWrappedException(src, ex);
3699	+	CompletableFuture<?> dep = fun.apply(src);
3700	+	checkCompletedWithWrappedException(dep, ex);
3701	+	assertSame(resultOf(src), resultOf(dep));
3702	+	}
3703	+
3704	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3705	+	fun : funs) {
3706	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3707	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3708	+	CompletableFuture<?> dep = fun.apply(src);
3709	+	f.completeExceptionally(ex);
3710	+	checkCompletedWithWrappedException(src, ex);
3711	+	checkCompletedWithWrappedException(dep, ex);
3712	+	assertSame(resultOf(src), resultOf(dep));
3713	+	}
3714	+
3715	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3716	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3717	+	fun : funs) {
3718	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3719	+	f.cancel(mayInterruptIfRunning);
3720	+	checkCancelled(f);
3721	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3722	+	checkCompletedWithWrappedCancellationException(src);
3723	+	CompletableFuture<?> dep = fun.apply(src);
3724	+	checkCompletedWithWrappedCancellationException(dep);
3725	+	assertSame(resultOf(src), resultOf(dep));
3726	+	}
3727	+
3728	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3729	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3730	+	fun : funs) {
3731	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3732	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3733	+	CompletableFuture<?> dep = fun.apply(src);
3734	+	f.cancel(mayInterruptIfRunning);
3735	+	checkCancelled(f);
3736	+	checkCompletedWithWrappedCancellationException(src);
3737	+	checkCompletedWithWrappedCancellationException(dep);
3738	+	assertSame(resultOf(src), resultOf(dep));
3739	+	}
3740	+	}}
3741	+
3742	+	/**
3743	+	* Minimal completion stages throw UOE for all non-CompletionStage methods
3744	+	*/
3745	+	public void testMinimalCompletionStage_minimality() {
3746	+	if (!testImplementationDetails) return;
3747	+	Function<Method, String> toSignature =
3748	+	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3749	+	Predicate<Method> isNotStatic =
3750	+	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3751	+	List<Method> minimalMethods =
3752	+	Stream.of(Object.class, CompletionStage.class)
3753	+	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3754	+	.filter(isNotStatic)
3755	+	.collect(Collectors.toList());
3756	+	// Methods from CompletableFuture permitted NOT to throw UOE
3757	+	String[] signatureWhitelist = {
3758	+	"newIncompleteFuture[]",
3759	+	"defaultExecutor[]",
3760	+	"minimalCompletionStage[]",
3761	+	"copy[]",
3762	+	};
3763	+	Set<String> permittedMethodSignatures =
3764	+	Stream.concat(minimalMethods.stream().map(toSignature),
3765	+	Stream.of(signatureWhitelist))
3766	+	.collect(Collectors.toSet());
3767	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3768	+	.filter(isNotStatic)
3769	+	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3770	+	.collect(Collectors.toList());
3771	+
3772	+	CompletionStage<Integer> minimalStage =
3773	+	new CompletableFuture<Integer>().minimalCompletionStage();
3774	+
3775	+	List<Method> bugs = new ArrayList<>();
3776	+	for (Method method : allMethods) {
3777	+	Class<?>[] parameterTypes = method.getParameterTypes();
3778	+	Object[] args = new Object[parameterTypes.length];
3779	+	// Manufacture boxed primitives for primitive params
3780	+	for (int i = 0; i < args.length; i++) {
3781	+	Class<?> type = parameterTypes[i];
3782	+	if (parameterTypes[i] == boolean.class)
3783	+	args[i] = false;
3784	+	else if (parameterTypes[i] == int.class)
3785	+	args[i] = 0;
3786	+	else if (parameterTypes[i] == long.class)
3787	+	args[i] = 0L;
3788	+	}
3789	+	try {
3790	+	method.invoke(minimalStage, args);
3791	+	bugs.add(method);
3792	+	}
3793	+	catch (java.lang.reflect.InvocationTargetException expected) {
3794	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3795	+	bugs.add(method);
3796	+	// expected.getCause().printStackTrace();
3797	+	}
3798	+	}
3799	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3800	+	}
3801	+	if (!bugs.isEmpty())
3802	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3803	+	}
3804	+
3805	+	static class Monad {
3806	+	static class ZeroException extends RuntimeException {
3807	+	public ZeroException() { super("monadic zero"); }
3808	+	}
3809	+	// "return", "unit"
3810	+	static <T> CompletableFuture<T> unit(T value) {
3811	+	return completedFuture(value);
3812	+	}
3813	+	// monadic zero ?
3814	+	static <T> CompletableFuture<T> zero() {
3815	+	return failedFuture(new ZeroException());
3816	+	}
3817	+	// >=>
3818	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3819	+	(Function<T, CompletableFuture<U>> f,
3820	+	Function<U, CompletableFuture<V>> g) {
3821	+	return (x) -> f.apply(x).thenCompose(g);
3822	+	}
3823	+
3824	+	static void assertZero(CompletableFuture<?> f) {
3825	+	try {
3826	+	f.getNow(null);
3827	+	throw new AssertionFailedError("should throw");
3828	+	} catch (CompletionException success) {
3829	+	assertTrue(success.getCause() instanceof ZeroException);
3830	+	}
3831	+	}
3832	+
3833	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3834	+	CompletableFuture<T> g) {
3835	+	T fval = null, gval = null;
3836	+	Throwable fex = null, gex = null;
3837	+
3838	+	try { fval = f.get(); }
3839	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3840	+	catch (Throwable ex) { fex = ex; }
3841	+
3842	+	try { gval = g.get(); }
3843	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3844	+	catch (Throwable ex) { gex = ex; }
3845	+
3846	+	if (fex != null || gex != null)
3847	+	assertSame(fex.getClass(), gex.getClass());
3848	+	else
3849	+	assertEquals(fval, gval);
3850	+	}
3851	+
3852	+	static class PlusFuture<T> extends CompletableFuture<T> {
3853	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3854	+	}
3855	+
3856	+	/** Implements "monadic plus". */
3857	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3858	+	CompletableFuture<? extends T> g) {
3859	+	PlusFuture<T> plus = new PlusFuture<T>();
3860	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3861	+	try {
3862	+	if (ex == null) {
3863	+	if (plus.complete(result))
3864	+	if (plus.firstFailure.get() != null)
3865	+	plus.firstFailure.set(null);
3866	+	}
3867	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
3868	+	if (plus.isDone())
3869	+	plus.firstFailure.set(null);
3870	+	}
3871	+	else {
3872	+	// first failure has precedence
3873	+	Throwable first = plus.firstFailure.getAndSet(null);
3874	+
3875	+	// may fail with "Self-suppression not permitted"
3876	+	try { first.addSuppressed(ex); }
3877	+	catch (Exception ignored) {}
3878	+
3879	+	plus.completeExceptionally(first);
3880	+	}
3881	+	} catch (Throwable unexpected) {
3882	+	plus.completeExceptionally(unexpected);
3883	+	}
3884	+	};
3885	+	f.whenComplete(action);
3886	+	g.whenComplete(action);
3887	+	return plus;
3888	+	}
3889	+	}
3890	+
3891	+	/**
3892	+	* CompletableFuture is an additive monad - sort of.
3893	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3894	+	*/
3895	+	public void testAdditiveMonad() throws Throwable {
3896	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3897	+	CompletableFuture<Long> zero = Monad.zero();
3898	+
3899	+	// Some mutually non-commutative functions
3900	+	Function<Long, CompletableFuture<Long>> triple
3901	+	= (x) -> Monad.unit(3 * x);
3902	+	Function<Long, CompletableFuture<Long>> inc
3903	+	= (x) -> Monad.unit(x + 1);
3904	+
3905	+	// unit is a right identity: m >>= unit === m
3906	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3907	+	inc.apply(5L));
3908	+	// unit is a left identity: (unit x) >>= f === f x
3909	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3910	+	inc.apply(5L));
3911	+
3912	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3913	+	Monad.assertFutureEquals(
3914	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3915	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3916	+
3917	+	// The case for CompletableFuture as an additive monad is weaker...
3918	+
3919	+	// zero is a monadic zero
3920	+	Monad.assertZero(zero);
3921	+
3922	+	// left zero: zero >>= f === zero
3923	+	Monad.assertZero(zero.thenCompose(inc));
3924	+	// right zero: f >>= (\x -> zero) === zero
3925	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3926	+
3927	+	// f plus zero === f
3928	+	Monad.assertFutureEquals(Monad.unit(5L),
3929	+	Monad.plus(Monad.unit(5L), zero));
3930	+	// zero plus f === f
3931	+	Monad.assertFutureEquals(Monad.unit(5L),
3932	+	Monad.plus(zero, Monad.unit(5L)));
3933	+	// zero plus zero === zero
3934	+	Monad.assertZero(Monad.plus(zero, zero));
3935	+	{
3936	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3937	+	Monad.unit(8L));
3938	+	// non-determinism
3939	+	assertTrue(f.get() == 5L || f.get() == 8L);
3940	+	}
3941	+
3942	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3943	+	// f plus godot === f (doesn't wait for godot)
3944	+	Monad.assertFutureEquals(Monad.unit(5L),
3945	+	Monad.plus(Monad.unit(5L), godot));
3946	+	// godot plus f === f (doesn't wait for godot)
3947	+	Monad.assertFutureEquals(Monad.unit(5L),
3948	+	Monad.plus(godot, Monad.unit(5L)));
3949	+	}
3950	+
3951	+	/**
3952	+	* A single CompletableFuture with many dependents.
3953	+	* A demo of scalability - runtime is O(n).
3954	+	*/
3955	+	public void testManyDependents() throws Throwable {
3956	+	final int n = 1_000;
3957	+	final CompletableFuture<Void> head = new CompletableFuture<>();
3958	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
3959	+	final AtomicInteger count = new AtomicInteger(0);
3960	+	for (int i = 0; i < n; i++) {
3961	+	head.thenRun(() -> count.getAndIncrement());
3962	+	head.thenAccept((x) -> count.getAndIncrement());
3963	+	head.thenApply((x) -> count.getAndIncrement());
3964	+
3965	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
3966	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
3967	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
3968	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
3969	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
3970	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
3971	+
3972	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
3973	+	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3974	+	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3975	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
3976	+	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
3977	+	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
3978	+	}
3979	+	head.complete(null);
3980	+	assertEquals(5 * 3 * n, count.get());
3981	+	}
3982	+
3983	+	//     static <U> U join(CompletionStage<U> stage) {
3984	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3985	+	//         stage.whenComplete((v, ex) -> {
3986	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3987	+	//         });
3988	+	//         return f.join();
3989	+	//     }
3990	+
3991	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3992	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3993	+	//         stage.whenComplete((v, ex) -> {
3994	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3995	+	//         });
3996	+	//         return f.isDone();
3997	+	//     }
3998	+
3999	+	//     static <U> U join2(CompletionStage<U> stage) {
4000	+	//         return stage.toCompletableFuture().copy().join();
4001	+	//     }
4002	+
4003	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
4004	+	//         return stage.toCompletableFuture().copy().isDone();
4005	+	//     }
4006	+
4007		}

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