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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.42 by jsr166, Mon Jun 2 02:19:23 2014 UTC vs.
Revision 1.133 by jsr166, Sun Nov 15 19:39:25 2015 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33		import java.util.concurrent.TimeoutException;
34	+	import java.util.concurrent.TimeUnit;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
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	<
826	>	CompletionStage<? extends T> g,
827	>	Function<? super T,U> a);
828		}
829
830		/**
831	<	* exceptionally action completes with function value on source
832	<	* exception; otherwise with source value
831	>	* exceptionally action is not invoked when source completes
832	>	* normally, and source result is propagated
833		*/
834	<	public void testExceptionally() {
835	<	CompletableFuture<Integer> f = new CompletableFuture<>();
836	<	ExceptionToInteger r = new ExceptionToInteger();
837	<	CompletableFuture<Integer> g = f.exceptionally(r);
838	<	f.completeExceptionally(new CFException());
839	<	checkCompletedNormally(g, three);
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	<	r = new ExceptionToInteger();
851	<	g = f.exceptionally(r);
852	<	f.complete(one);
672	<	checkCompletedNormally(g, one);
673	<	}
849	>	checkCompletedNormally(g, v1);
850	>	checkCompletedNormally(f, v1);
851	>	assertEquals(0, a.get());
852	>	}}
853
854		/**
855	<	* handle action completes normally with function value on either
856	<	* normal or exceptional completion of source
855	>	* exceptionally action completes with function value on source
856	>	* exception
857		*/
858	<	public void testHandle() {
859	<	CompletableFuture<Integer> f, g;
860	<	IntegerHandler r;
861	<
862	<	f = new CompletableFuture<>();
863	<	f.completeExceptionally(new CFException());
864	<	g = f.handle(r = new IntegerHandler());
865	<	assertTrue(r.ran);
866	<	checkCompletedNormally(g, three);
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	<	f = new CompletableFuture<>();
876	<	g = f.handle(r = new IntegerHandler());
877	<	assertFalse(r.ran);
692	<	f.completeExceptionally(new CFException());
693	<	checkCompletedNormally(g, three);
694	<	assertTrue(r.ran);
875	>	checkCompletedNormally(g, v1);
876	>	assertEquals(1, a.get());
877	>	}}
878
879	<	f = new CompletableFuture<>();
880	<	f.complete(one);
881	<	g = f.handle(r = new IntegerHandler());
882	<	assertTrue(r.ran);
883	<	checkCompletedNormally(g, two);
879	>	public void testExceptionally_exceptionalCompletionActionFailed() {
880	>	for (boolean createIncomplete : new boolean[] { true, false })
881	>	{
882	>	final AtomicInteger a = new AtomicInteger(0);
883	>	final CFException ex1 = new CFException();
884	>	final CFException ex2 = new CFException();
885	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
886	>	if (!createIncomplete) f.completeExceptionally(ex1);
887	>	final CompletableFuture<Integer> g = f.exceptionally
888	>	((Throwable t) -> {
889	>	ExecutionMode.SYNC.checkExecutionMode();
890	>	threadAssertSame(t, ex1);
891	>	a.getAndIncrement();
892	>	throw ex2;
893	>	});
894	>	if (createIncomplete) f.completeExceptionally(ex1);
895
896	<	f = new CompletableFuture<>();
897	<	g = f.handle(r = new IntegerHandler());
898	<	assertFalse(r.ran);
705	<	f.complete(one);
706	<	assertTrue(r.ran);
707	<	checkCompletedNormally(g, two);
708	<	}
896	>	checkCompletedWithWrappedException(g, ex2);
897	>	assertEquals(1, a.get());
898	>	}}
899
900		/**
901	<	* runAsync completes after running Runnable
901	>	* whenComplete action executes on normal completion, propagating
902	>	* source result.
903		*/
904	<	public void testRunAsync() {
905	<	Noop r = new Noop();
906	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
907	<	assertNull(f.join());
908	<	assertTrue(r.ran);
909	<	checkCompletedNormally(f, null);
910	<	}
904	>	public void testWhenComplete_normalCompletion() {
905	>	for (ExecutionMode m : ExecutionMode.values())
906	>	for (boolean createIncomplete : new boolean[] { true, false })
907	>	for (Integer v1 : new Integer[] { 1, null })
908	>	{
909	>	final AtomicInteger a = new AtomicInteger(0);
910	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
911	>	if (!createIncomplete) assertTrue(f.complete(v1));
912	>	final CompletableFuture<Integer> g = m.whenComplete
913	>	(f,
914	>	(Integer x, Throwable t) -> {
915	>	m.checkExecutionMode();
916	>	threadAssertSame(x, v1);
917	>	threadAssertNull(t);
918	>	a.getAndIncrement();
919	>	});
920	>	if (createIncomplete) assertTrue(f.complete(v1));
921
922	<	/**
923	<	* runAsync with executor completes after running Runnable
924	<	*/
925	<	public void testRunAsync2() {
725	<	Noop r = new Noop();
726	<	ThreadExecutor exec = new ThreadExecutor();
727	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec);
728	<	assertNull(f.join());
729	<	assertTrue(r.ran);
730	<	checkCompletedNormally(f, null);
731	<	assertEquals(1, exec.count.get());
732	<	}
922	>	checkCompletedNormally(g, v1);
923	>	checkCompletedNormally(f, v1);
924	>	assertEquals(1, a.get());
925	>	}}
926
927		/**
928	<	* failing runAsync completes exceptionally after running Runnable
928	>	* whenComplete action executes on exceptional completion, propagating
929	>	* source result.
930		*/
931	<	public void testRunAsync3() {
932	<	FailingNoop r = new FailingNoop();
933	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
934	<	checkCompletedWithWrappedCFException(f);
935	<	assertTrue(r.ran);
936	<	}
931	>	public void testWhenComplete_exceptionalCompletion() {
932	>	for (ExecutionMode m : ExecutionMode.values())
933	>	for (boolean createIncomplete : new boolean[] { true, false })
934	>	{
935	>	final AtomicInteger a = new AtomicInteger(0);
936	>	final CFException ex = new CFException();
937	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
938	>	if (!createIncomplete) f.completeExceptionally(ex);
939	>	final CompletableFuture<Integer> g = m.whenComplete
940	>	(f,
941	>	(Integer x, Throwable t) -> {
942	>	m.checkExecutionMode();
943	>	threadAssertNull(x);
944	>	threadAssertSame(t, ex);
945	>	a.getAndIncrement();
946	>	});
947	>	if (createIncomplete) f.completeExceptionally(ex);
948
949	<	/**
950	<	* supplyAsync completes with result of supplier
951	<	*/
952	<	public void testSupplyAsync() {
748	<	CompletableFuture<Integer> f;
749	<	f = CompletableFuture.supplyAsync(supplyOne);
750	<	assertEquals(f.join(), one);
751	<	checkCompletedNormally(f, one);
752	<	}
949	>	checkCompletedWithWrappedException(g, ex);
950	>	checkCompletedExceptionally(f, ex);
951	>	assertEquals(1, a.get());
952	>	}}
953
954		/**
955	<	* supplyAsync with executor completes with result of supplier
955	>	* whenComplete action executes on cancelled source, propagating
956	>	* CancellationException.
957		*/
958	<	public void testSupplyAsync2() {
959	<	CompletableFuture<Integer> f;
960	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
961	<	assertEquals(f.join(), one);
962	<	checkCompletedNormally(f, one);
963	<	}
958	>	public void testWhenComplete_sourceCancelled() {
959	>	for (ExecutionMode m : ExecutionMode.values())
960	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
961	>	for (boolean createIncomplete : new boolean[] { true, false })
962	>	{
963	>	final AtomicInteger a = new AtomicInteger(0);
964	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
965	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
966	>	final CompletableFuture<Integer> g = m.whenComplete
967	>	(f,
968	>	(Integer x, Throwable t) -> {
969	>	m.checkExecutionMode();
970	>	threadAssertNull(x);
971	>	threadAssertTrue(t instanceof CancellationException);
972	>	a.getAndIncrement();
973	>	});
974	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
975	>
976	>	checkCompletedWithWrappedCancellationException(g);
977	>	checkCancelled(f);
978	>	assertEquals(1, a.get());
979	>	}}
980
981		/**
982	<	* Failing supplyAsync completes exceptionally
982	>	* If a whenComplete action throws an exception when triggered by
983	>	* a normal completion, it completes exceptionally
984		*/
985	<	public void testSupplyAsync3() {
986	<	FailingSupplier r = new FailingSupplier();
987	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
988	<	checkCompletedWithWrappedCFException(f);
989	<	assertTrue(r.ran);
990	<	}
985	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
986	>	for (boolean createIncomplete : new boolean[] { true, false })
987	>	for (ExecutionMode m : ExecutionMode.values())
988	>	for (Integer v1 : new Integer[] { 1, null })
989	>	{
990	>	final AtomicInteger a = new AtomicInteger(0);
991	>	final CFException ex = new CFException();
992	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
993	>	if (!createIncomplete) assertTrue(f.complete(v1));
994	>	final CompletableFuture<Integer> g = m.whenComplete
995	>	(f,
996	>	(Integer x, Throwable t) -> {
997	>	m.checkExecutionMode();
998	>	threadAssertSame(x, v1);
999	>	threadAssertNull(t);
1000	>	a.getAndIncrement();
1001	>	throw ex;
1002	>	});
1003	>	if (createIncomplete) assertTrue(f.complete(v1));
1004
1005	<	// seq completion methods
1005	>	checkCompletedWithWrappedException(g, ex);
1006	>	checkCompletedNormally(f, v1);
1007	>	assertEquals(1, a.get());
1008	>	}}
1009
1010		/**
1011	<	* thenRun result completes normally after normal completion of source
1011	>	* If a whenComplete action throws an exception when triggered by
1012	>	* a source completion that also throws an exception, the source
1013	>	* exception takes precedence.
1014		*/
1015	<	public void testThenRun() {
1016	<	CompletableFuture<Integer> f;
1017	<	CompletableFuture<Void> g;
1018	<	Noop r;
1015	>	public void testWhenComplete_actionFailedSourceFailed() {
1016	>	for (boolean createIncomplete : new boolean[] { true, false })
1017	>	for (ExecutionMode m : ExecutionMode.values())
1018	>	{
1019	>	final AtomicInteger a = new AtomicInteger(0);
1020	>	final CFException ex1 = new CFException();
1021	>	final CFException ex2 = new CFException();
1022	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1023
1024	<	f = new CompletableFuture<>();
1025	<	g = f.thenRun(r = new Noop());
1026	<	f.complete(null);
1027	<	checkCompletedNormally(g, null);
1028	<	assertTrue(r.ran);
1024	>	if (!createIncomplete) f.completeExceptionally(ex1);
1025	>	final CompletableFuture<Integer> g = m.whenComplete
1026	>	(f,
1027	>	(Integer x, Throwable t) -> {
1028	>	m.checkExecutionMode();
1029	>	threadAssertSame(t, ex1);
1030	>	threadAssertNull(x);
1031	>	a.getAndIncrement();
1032	>	throw ex2;
1033	>	});
1034	>	if (createIncomplete) f.completeExceptionally(ex1);
1035
1036	<	f = new CompletableFuture<>();
1037	<	f.complete(null);
1038	<	g = f.thenRun(r = new Noop());
1039	<	checkCompletedNormally(g, null);
794	<	assertTrue(r.ran);
795	<	}
1036	>	checkCompletedWithWrappedException(g, ex1);
1037	>	checkCompletedExceptionally(f, ex1);
1038	>	assertEquals(1, a.get());
1039	>	}}
1040
1041		/**
1042	<	* thenRun result completes exceptionally after exceptional
1042	>	* handle action completes normally with function value on normal
1043		* completion of source
1044		*/
1045	<	public void testThenRun2() {
1046	<	CompletableFuture<Integer> f;
1047	<	CompletableFuture<Void> g;
1048	<	Noop r;
1049	<
1050	<	f = new CompletableFuture<>();
1051	<	g = f.thenRun(r = new Noop());
1052	<	f.completeExceptionally(new CFException());
1053	<	checkCompletedWithWrappedCFException(g);
1054	<	assertFalse(r.ran);
1045	>	public void testHandle_normalCompletion() {
1046	>	for (ExecutionMode m : ExecutionMode.values())
1047	>	for (boolean createIncomplete : new boolean[] { true, false })
1048	>	for (Integer v1 : new Integer[] { 1, null })
1049	>	{
1050	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1051	>	final AtomicInteger a = new AtomicInteger(0);
1052	>	if (!createIncomplete) assertTrue(f.complete(v1));
1053	>	final CompletableFuture<Integer> g = m.handle
1054	>	(f,
1055	>	(Integer x, Throwable t) -> {
1056	>	m.checkExecutionMode();
1057	>	threadAssertSame(x, v1);
1058	>	threadAssertNull(t);
1059	>	a.getAndIncrement();
1060	>	return inc(v1);
1061	>	});
1062	>	if (createIncomplete) assertTrue(f.complete(v1));
1063
1064	<	f = new CompletableFuture<>();
1065	<	f.completeExceptionally(new CFException());
1066	<	g = f.thenRun(r = new Noop());
1067	<	checkCompletedWithWrappedCFException(g);
816	<	assertFalse(r.ran);
817	<	}
1064	>	checkCompletedNormally(g, inc(v1));
1065	>	checkCompletedNormally(f, v1);
1066	>	assertEquals(1, a.get());
1067	>	}}
1068
1069		/**
1070	<	* thenRun result completes exceptionally if action does
1070	>	* handle action completes normally with function value on
1071	>	* exceptional completion of source
1072		*/
1073	<	public void testThenRun3() {
1074	<	CompletableFuture<Integer> f;
1075	<	CompletableFuture<Void> g;
1076	<	FailingNoop r;
1077	<
1078	<	f = new CompletableFuture<>();
1079	<	g = f.thenRun(r = new FailingNoop());
1080	<	f.complete(null);
1081	<	checkCompletedWithWrappedCFException(g);
1073	>	public void testHandle_exceptionalCompletion() {
1074	>	for (ExecutionMode m : ExecutionMode.values())
1075	>	for (boolean createIncomplete : new boolean[] { true, false })
1076	>	for (Integer v1 : new Integer[] { 1, null })
1077	>	{
1078	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1079	>	final AtomicInteger a = new AtomicInteger(0);
1080	>	final CFException ex = new CFException();
1081	>	if (!createIncomplete) f.completeExceptionally(ex);
1082	>	final CompletableFuture<Integer> g = m.handle
1083	>	(f,
1084	>	(Integer x, Throwable t) -> {
1085	>	m.checkExecutionMode();
1086	>	threadAssertNull(x);
1087	>	threadAssertSame(t, ex);
1088	>	a.getAndIncrement();
1089	>	return v1;
1090	>	});
1091	>	if (createIncomplete) f.completeExceptionally(ex);
1092
1093	<	f = new CompletableFuture<>();
1094	<	f.complete(null);
1095	<	g = f.thenRun(r = new FailingNoop());
1096	<	checkCompletedWithWrappedCFException(g);
836	<	}
1093	>	checkCompletedNormally(g, v1);
1094	>	checkCompletedExceptionally(f, ex);
1095	>	assertEquals(1, a.get());
1096	>	}}
1097
1098		/**
1099	<	* thenRun result completes exceptionally if source cancelled
1099	>	* handle action completes normally with function value on
1100	>	* cancelled source
1101		*/
1102	<	public void testThenRun4() {
1103	<	CompletableFuture<Integer> f;
1104	<	CompletableFuture<Void> g;
1105	<	Noop r;
1106	<
1107	<	f = new CompletableFuture<>();
1108	<	g = f.thenRun(r = new Noop());
1109	<	assertTrue(f.cancel(true));
1110	<	checkCompletedWithWrappedCancellationException(g);
1102	>	public void testHandle_sourceCancelled() {
1103	>	for (ExecutionMode m : ExecutionMode.values())
1104	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1105	>	for (boolean createIncomplete : new boolean[] { true, false })
1106	>	for (Integer v1 : new Integer[] { 1, null })
1107	>	{
1108	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1109	>	final AtomicInteger a = new AtomicInteger(0);
1110	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1111	>	final CompletableFuture<Integer> g = m.handle
1112	>	(f,
1113	>	(Integer x, Throwable t) -> {
1114	>	m.checkExecutionMode();
1115	>	threadAssertNull(x);
1116	>	threadAssertTrue(t instanceof CancellationException);
1117	>	a.getAndIncrement();
1118	>	return v1;
1119	>	});
1120	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1121
1122	<	f = new CompletableFuture<>();
1123	<	assertTrue(f.cancel(true));
1124	<	g = f.thenRun(r = new Noop());
1125	<	checkCompletedWithWrappedCancellationException(g);
855	<	}
1122	>	checkCompletedNormally(g, v1);
1123	>	checkCancelled(f);
1124	>	assertEquals(1, a.get());
1125	>	}}
1126
1127		/**
1128	<	* thenApply result completes normally after normal completion of source
1128	>	* handle result completes exceptionally if action does
1129		*/
1130	<	public void testThenApply() {
1131	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1132	<	CompletableFuture<Integer> g = f.thenApply(inc);
1133	<	f.complete(one);
1134	<	checkCompletedNormally(g, two);
1135	<	}
1130	>	public void testHandle_sourceFailedActionFailed() {
1131	>	for (ExecutionMode m : ExecutionMode.values())
1132	>	for (boolean createIncomplete : new boolean[] { true, false })
1133	>	{
1134	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1135	>	final AtomicInteger a = new AtomicInteger(0);
1136	>	final CFException ex1 = new CFException();
1137	>	final CFException ex2 = new CFException();
1138	>	if (!createIncomplete) f.completeExceptionally(ex1);
1139	>	final CompletableFuture<Integer> g = m.handle
1140	>	(f,
1141	>	(Integer x, Throwable t) -> {
1142	>	m.checkExecutionMode();
1143	>	threadAssertNull(x);
1144	>	threadAssertSame(ex1, t);
1145	>	a.getAndIncrement();
1146	>	throw ex2;
1147	>	});
1148	>	if (createIncomplete) f.completeExceptionally(ex1);
1149
1150	<	/**
1151	<	* thenApply result completes exceptionally after exceptional
1152	<	* completion of source
1153	<	*/
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	<	}
1150	>	checkCompletedWithWrappedException(g, ex2);
1151	>	checkCompletedExceptionally(f, ex1);
1152	>	assertEquals(1, a.get());
1153	>	}}
1154
1155		/**
1156	<	* thenApply result completes exceptionally if action does
1156	>	* If a "handle action" throws an exception when triggered by
1157	>	* a normal completion, it completes exceptionally
1158		*/
1159	<	public void testThenApply3() {
1160	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1161	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
1162	<	f.complete(one);
1163	<	checkCompletedWithWrappedCFException(g);
1164	<	}
1159	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1160	>	for (ExecutionMode m : ExecutionMode.values())
1161	>	for (boolean createIncomplete : new boolean[] { true, false })
1162	>	for (Integer v1 : new Integer[] { 1, null })
1163	>	{
1164	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
1165	>	final AtomicInteger a = new AtomicInteger(0);
1166	>	final CFException ex = new CFException();
1167	>	if (!createIncomplete) assertTrue(f.complete(v1));
1168	>	final CompletableFuture<Integer> g = m.handle
1169	>	(f,
1170	>	(Integer x, Throwable t) -> {
1171	>	m.checkExecutionMode();
1172	>	threadAssertSame(x, v1);
1173	>	threadAssertNull(t);
1174	>	a.getAndIncrement();
1175	>	throw ex;
1176	>	});
1177	>	if (createIncomplete) assertTrue(f.complete(v1));
1178
1179	<	/**
1180	<	* thenApply result completes exceptionally if source cancelled
1181	<	*/
1182	<	public void testThenApply4() {
892	<	CompletableFuture<Integer> f = new CompletableFuture<>();
893	<	CompletableFuture<Integer> g = f.thenApply(inc);
894	<	assertTrue(f.cancel(true));
895	<	checkCompletedWithWrappedCancellationException(g);
896	<	}
1179	>	checkCompletedWithWrappedException(g, ex);
1180	>	checkCompletedNormally(f, v1);
1181	>	assertEquals(1, a.get());
1182	>	}}
1183
1184		/**
1185	<	* thenAccept result completes normally after normal completion of source
1185	>	* runAsync completes after running Runnable
1186		*/
1187	<	public void testThenAccept() {
1188	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1189	<	IncAction r = new IncAction();
1190	<	CompletableFuture<Void> g = f.thenAccept(r);
1191	<	f.complete(one);
1192	<	checkCompletedNormally(g, null);
1193	<	assertEquals(r.value, (Integer) 2);
1194	<	}
1187	>	public void testRunAsync_normalCompletion() {
1188	>	ExecutionMode[] executionModes = {
1189	>	ExecutionMode.ASYNC,
1190	>	ExecutionMode.EXECUTOR,
1191	>	};
1192	>	for (ExecutionMode m : executionModes)
1193	>	{
1194	>	final Noop r = new Noop(m);
1195	>	final CompletableFuture<Void> f = m.runAsync(r);
1196	>	assertNull(f.join());
1197	>	checkCompletedNormally(f, null);
1198	>	r.assertInvoked();
1199	>	}}
1200
1201		/**
1202	<	* thenAccept result completes exceptionally after exceptional
912	<	* completion of source
1202	>	* failing runAsync completes exceptionally after running Runnable
1203		*/
1204	<	public void testThenAccept2() {
1205	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1206	<	IncAction r = new IncAction();
1207	<	CompletableFuture<Void> g = f.thenAccept(r);
1208	<	f.completeExceptionally(new CFException());
1209	<	checkCompletedWithWrappedCFException(g);
1210	<	}
1204	>	public void testRunAsync_exceptionalCompletion() {
1205	>	ExecutionMode[] executionModes = {
1206	>	ExecutionMode.ASYNC,
1207	>	ExecutionMode.EXECUTOR,
1208	>	};
1209	>	for (ExecutionMode m : executionModes)
1210	>	{
1211	>	final FailingRunnable r = new FailingRunnable(m);
1212	>	final CompletableFuture<Void> f = m.runAsync(r);
1213	>	checkCompletedWithWrappedCFException(f);
1214	>	r.assertInvoked();
1215	>	}}
1216
1217		/**
1218	<	* thenAccept result completes exceptionally if action does
1218	>	* supplyAsync completes with result of supplier
1219		*/
1220	<	public void testThenAccept3() {
1221	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1222	<	FailingConsumer r = new FailingConsumer();
1223	<	CompletableFuture<Void> g = f.thenAccept(r);
1224	<	f.complete(one);
1225	<	checkCompletedWithWrappedCFException(g);
1226	<	assertTrue(r.ran);
1227	<	}
1220	>	public void testSupplyAsync_normalCompletion() {
1221	>	ExecutionMode[] executionModes = {
1222	>	ExecutionMode.ASYNC,
1223	>	ExecutionMode.EXECUTOR,
1224	>	};
1225	>	for (ExecutionMode m : executionModes)
1226	>	for (Integer v1 : new Integer[] { 1, null })
1227	>	{
1228	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1229	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1230	>	assertSame(v1, f.join());
1231	>	checkCompletedNormally(f, v1);
1232	>	r.assertInvoked();
1233	>	}}
1234
1235		/**
1236	<	* thenAccept result completes exceptionally if source cancelled
1236	>	* Failing supplyAsync completes exceptionally
1237		*/
1238	<	public void testThenAccept4() {
1239	<	CompletableFuture<Integer> f = new CompletableFuture<>();
1240	<	IncAction r = new IncAction();
1241	<	CompletableFuture<Void> g = f.thenAccept(r);
1242	<	assertTrue(f.cancel(true));
1243	<	checkCompletedWithWrappedCancellationException(g);
1244	<	}
1238	>	public void testSupplyAsync_exceptionalCompletion() {
1239	>	ExecutionMode[] executionModes = {
1240	>	ExecutionMode.ASYNC,
1241	>	ExecutionMode.EXECUTOR,
1242	>	};
1243	>	for (ExecutionMode m : executionModes)
1244	>	{
1245	>	FailingSupplier r = new FailingSupplier(m);
1246	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1247	>	checkCompletedWithWrappedCFException(f);
1248	>	r.assertInvoked();
1249	>	}}
1250	>
1251	>	// seq completion methods
1252
1253		/**
1254	<	* thenCombine result completes normally after normal completion
947	<	* of sources
1254	>	* thenRun result completes normally after normal completion of source
1255		*/
1256	<	public void testThenCombine_normalCompletion1() {
1256	>	public void testThenRun_normalCompletion() {
1257		for (ExecutionMode m : ExecutionMode.values())
1258		for (Integer v1 : new Integer[] { 1, null })
1259	<	for (Integer v2 : new Integer[] { 2, null }) {
953	<
1259	>	{
1260		final CompletableFuture<Integer> f = new CompletableFuture<>();
1261	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1262	<	final SubtractFunction r = new SubtractFunction();
957	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1261	>	final Noop[] rs = new Noop[6];
1262	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1263
1264	<	f.complete(v1);
1265	<	checkIncomplete(h);
1266	<	assertEquals(r.invocationCount, 0);
1267	<	g.complete(v2);
1268	<
1269	<	checkCompletedNormally(h, subtract(v1, v2));
1264	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1265	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1266	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1267	>	checkIncomplete(h0);
1268	>	checkIncomplete(h1);
1269	>	checkIncomplete(h2);
1270	>	assertTrue(f.complete(v1));
1271	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1272	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1273	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1274	>
1275	>	checkCompletedNormally(h0, null);
1276	>	checkCompletedNormally(h1, null);
1277	>	checkCompletedNormally(h2, null);
1278	>	checkCompletedNormally(h3, null);
1279	>	checkCompletedNormally(h4, null);
1280	>	checkCompletedNormally(h5, null);
1281		checkCompletedNormally(f, v1);
1282	<	checkCompletedNormally(g, v2);
1283	<	assertEquals(r.invocationCount, 1);
968	<	}
969	<	}
1282	>	for (Noop r : rs) r.assertInvoked();
1283	>	}}
1284
1285	<	public void testThenCombine_normalCompletion2() {
1285	>	/**
1286	>	* thenRun result completes exceptionally after exceptional
1287	>	* completion of source
1288	>	*/
1289	>	public void testThenRun_exceptionalCompletion() {
1290		for (ExecutionMode m : ExecutionMode.values())
1291	<	for (Integer v1 : new Integer[] { 1, null })
1292	<	for (Integer v2 : new Integer[] { 2, null }) {
975	<
1291	>	{
1292	>	final CFException ex = new CFException();
1293		final CompletableFuture<Integer> f = new CompletableFuture<>();
1294	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1295	<	final SubtractFunction r = new SubtractFunction();
979	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
980	<
981	<	g.complete(v2);
982	<	checkIncomplete(h);
983	<	assertEquals(r.invocationCount, 0);
984	<	f.complete(v1);
1294	>	final Noop[] rs = new Noop[6];
1295	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1296
1297	<	checkCompletedNormally(h, subtract(v1, v2));
1298	<	checkCompletedNormally(f, v1);
1299	<	checkCompletedNormally(g, v2);
1300	<	assertEquals(r.invocationCount, 1);
1301	<	}
1302	<	}
1297	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1298	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1299	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1300	>	checkIncomplete(h0);
1301	>	checkIncomplete(h1);
1302	>	checkIncomplete(h2);
1303	>	assertTrue(f.completeExceptionally(ex));
1304	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1305	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1306	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1307	>
1308	>	checkCompletedWithWrappedException(h0, ex);
1309	>	checkCompletedWithWrappedException(h1, ex);
1310	>	checkCompletedWithWrappedException(h2, ex);
1311	>	checkCompletedWithWrappedException(h3, ex);
1312	>	checkCompletedWithWrappedException(h4, ex);
1313	>	checkCompletedWithWrappedException(h5, ex);
1314	>	checkCompletedExceptionally(f, ex);
1315	>	for (Noop r : rs) r.assertNotInvoked();
1316	>	}}
1317
1318	<	public void testThenCombine_normalCompletion3() {
1318	>	/**
1319	>	* thenRun result completes exceptionally if source cancelled
1320	>	*/
1321	>	public void testThenRun_sourceCancelled() {
1322		for (ExecutionMode m : ExecutionMode.values())
1323	<	for (Integer v1 : new Integer[] { 1, null })
1324	<	for (Integer v2 : new Integer[] { 2, null }) {
997	<
1323	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1324	>	{
1325		final CompletableFuture<Integer> f = new CompletableFuture<>();
1326	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1327	<	final SubtractFunction r = new SubtractFunction();
1326	>	final Noop[] rs = new Noop[6];
1327	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1328
1329	<	g.complete(v2);
1330	<	f.complete(v1);
1331	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1332	<
1333	<	checkCompletedNormally(h, subtract(v1, v2));
1334	<	checkCompletedNormally(f, v1);
1335	<	checkCompletedNormally(g, v2);
1336	<	assertEquals(r.invocationCount, 1);
1337	<	}
1338	<	}
1329	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1330	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1331	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1332	>	checkIncomplete(h0);
1333	>	checkIncomplete(h1);
1334	>	checkIncomplete(h2);
1335	>	assertTrue(f.cancel(mayInterruptIfRunning));
1336	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1337	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1338	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1339	>
1340	>	checkCompletedWithWrappedCancellationException(h0);
1341	>	checkCompletedWithWrappedCancellationException(h1);
1342	>	checkCompletedWithWrappedCancellationException(h2);
1343	>	checkCompletedWithWrappedCancellationException(h3);
1344	>	checkCompletedWithWrappedCancellationException(h4);
1345	>	checkCompletedWithWrappedCancellationException(h5);
1346	>	checkCancelled(f);
1347	>	for (Noop r : rs) r.assertNotInvoked();
1348	>	}}
1349
1350	<	public void testThenCombine_normalCompletion4() {
1350	>	/**
1351	>	* thenRun result completes exceptionally if action does
1352	>	*/
1353	>	public void testThenRun_actionFailed() {
1354		for (ExecutionMode m : ExecutionMode.values())
1355		for (Integer v1 : new Integer[] { 1, null })
1356	<	for (Integer v2 : new Integer[] { 2, null }) {
1017	<
1356	>	{
1357		final CompletableFuture<Integer> f = new CompletableFuture<>();
1358	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1359	<	final SubtractFunction r = new SubtractFunction();
1021	<
1022	<	f.complete(v1);
1023	<	g.complete(v2);
1024	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1358	>	final FailingRunnable[] rs = new FailingRunnable[6];
1359	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1360
1361	<	checkCompletedNormally(h, subtract(v1, v2));
1361	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1362	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1363	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1364	>	assertTrue(f.complete(v1));
1365	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1366	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1367	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1368	>
1369	>	checkCompletedWithWrappedCFException(h0);
1370	>	checkCompletedWithWrappedCFException(h1);
1371	>	checkCompletedWithWrappedCFException(h2);
1372	>	checkCompletedWithWrappedCFException(h3);
1373	>	checkCompletedWithWrappedCFException(h4);
1374	>	checkCompletedWithWrappedCFException(h5);
1375		checkCompletedNormally(f, v1);
1376	<	checkCompletedNormally(g, v2);
1029	<	assertEquals(r.invocationCount, 1);
1030	<	}
1031	<	}
1376	>	}}
1377
1378		/**
1379	<	* thenCombine result completes exceptionally after exceptional
1035	<	* completion of either source
1379	>	* thenApply result completes normally after normal completion of source
1380		*/
1381	<	public void testThenCombine_exceptionalCompletion1() {
1381	>	public void testThenApply_normalCompletion() {
1382		for (ExecutionMode m : ExecutionMode.values())
1383	<	for (Integer v1 : new Integer[] { 1, null }) {
1384	<
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	<
1383	>	for (Integer v1 : new Integer[] { 1, null })
1384	>	{
1385		final CompletableFuture<Integer> f = new CompletableFuture<>();
1386	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1387	<	final SubtractFunction r = new SubtractFunction();
1065	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1066	<	final CFException ex = new CFException();
1386	>	final IncFunction[] rs = new IncFunction[4];
1387	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1388
1389	<	g.completeExceptionally(ex);
1390	<	checkIncomplete(h);
1391	<	f.complete(v1);
1389	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1390	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1391	>	checkIncomplete(h0);
1392	>	checkIncomplete(h1);
1393	>	assertTrue(f.complete(v1));
1394	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1395	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1396
1397	<	checkCompletedWithWrappedCFException(h, ex);
1398	<	checkCompletedWithWrappedCFException(g, ex);
1399	<	assertEquals(r.invocationCount, 0);
1397	>	checkCompletedNormally(h0, inc(v1));
1398	>	checkCompletedNormally(h1, inc(v1));
1399	>	checkCompletedNormally(h2, inc(v1));
1400	>	checkCompletedNormally(h3, inc(v1));
1401		checkCompletedNormally(f, v1);
1402	<	}
1403	<	}
1402	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1403	>	}}
1404
1405	<	public void testThenCombine_exceptionalCompletion3() {
1405	>	/**
1406	>	* thenApply result completes exceptionally after exceptional
1407	>	* completion of source
1408	>	*/
1409	>	public void testThenApply_exceptionalCompletion() {
1410		for (ExecutionMode m : ExecutionMode.values())
1411	<	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();
1411	>	{
1412		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	–
1413		final CompletableFuture<Integer> f = new CompletableFuture<>();
1414	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1415	<	final SubtractFunction r = new SubtractFunction();
1106	<	final CFException ex = new CFException();
1107	<
1108	<	f.completeExceptionally(ex);
1109	<	g.complete(v1);
1110	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1414	>	final IncFunction[] rs = new IncFunction[4];
1415	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1416
1417	<	checkCompletedWithWrappedCFException(h, ex);
1418	<	checkCompletedWithWrappedCFException(f, ex);
1419	<	assertEquals(r.invocationCount, 0);
1420	<	checkCompletedNormally(g, v1);
1421	<	}
1422	<	}
1417	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1418	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1419	>	assertTrue(f.completeExceptionally(ex));
1420	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1421	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1422	>
1423	>	checkCompletedWithWrappedException(h0, ex);
1424	>	checkCompletedWithWrappedException(h1, ex);
1425	>	checkCompletedWithWrappedException(h2, ex);
1426	>	checkCompletedWithWrappedException(h3, ex);
1427	>	checkCompletedExceptionally(f, ex);
1428	>	for (IncFunction r : rs) r.assertNotInvoked();
1429	>	}}
1430
1431		/**
1432	<	* thenCombine result completes exceptionally if action does
1432	>	* thenApply result completes exceptionally if source cancelled
1433		*/
1434	<	public void testThenCombine_actionFailed1() {
1434	>	public void testThenApply_sourceCancelled() {
1435		for (ExecutionMode m : ExecutionMode.values())
1436	<	for (Integer v1 : new Integer[] { 1, null })
1437	<	for (Integer v2 : new Integer[] { 2, null }) {
1126	<
1436	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1437	>	{
1438		final CompletableFuture<Integer> f = new CompletableFuture<>();
1439	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1440	<	final FailingBiFunction r = new FailingBiFunction();
1130	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1439	>	final IncFunction[] rs = new IncFunction[4];
1440	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1441
1442	<	f.complete(v1);
1443	<	checkIncomplete(h);
1444	<	g.complete(v2);
1442	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1443	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1444	>	assertTrue(f.cancel(mayInterruptIfRunning));
1445	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1446	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1447
1448	<	checkCompletedWithWrappedCFException(h);
1449	<	checkCompletedNormally(f, v1);
1450	<	checkCompletedNormally(g, v2);
1451	<	}
1452	<	}
1448	>	checkCompletedWithWrappedCancellationException(h0);
1449	>	checkCompletedWithWrappedCancellationException(h1);
1450	>	checkCompletedWithWrappedCancellationException(h2);
1451	>	checkCompletedWithWrappedCancellationException(h3);
1452	>	checkCancelled(f);
1453	>	for (IncFunction r : rs) r.assertNotInvoked();
1454	>	}}
1455
1456	<	public void testThenCombine_actionFailed2() {
1456	>	/**
1457	>	* thenApply result completes exceptionally if action does
1458	>	*/
1459	>	public void testThenApply_actionFailed() {
1460		for (ExecutionMode m : ExecutionMode.values())
1461		for (Integer v1 : new Integer[] { 1, null })
1462	<	for (Integer v2 : new Integer[] { 2, null }) {
1146	<
1462	>	{
1463		final CompletableFuture<Integer> f = new CompletableFuture<>();
1464	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1465	<	final FailingBiFunction r = new FailingBiFunction();
1150	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1464	>	final FailingFunction[] rs = new FailingFunction[4];
1465	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1466
1467	<	g.complete(v2);
1468	<	checkIncomplete(h);
1469	<	f.complete(v1);
1467	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1468	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1469	>	assertTrue(f.complete(v1));
1470	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1471	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1472
1473	<	checkCompletedWithWrappedCFException(h);
1473	>	checkCompletedWithWrappedCFException(h0);
1474	>	checkCompletedWithWrappedCFException(h1);
1475	>	checkCompletedWithWrappedCFException(h2);
1476	>	checkCompletedWithWrappedCFException(h3);
1477		checkCompletedNormally(f, v1);
1478	<	checkCompletedNormally(g, v2);
1159	<	}
1160	<	}
1478	>	}}
1479
1480		/**
1481	<	* thenCombine result completes exceptionally if either source cancelled
1481	>	* thenAccept result completes normally after normal completion of source
1482		*/
1483	<	public void testThenCombine_sourceCancelled1() {
1483	>	public void testThenAccept_normalCompletion() {
1484		for (ExecutionMode m : ExecutionMode.values())
1485	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1486	<	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() {
1187	<	for (ExecutionMode m : ExecutionMode.values())
1188	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1189	<	for (Integer v1 : new Integer[] { 1, null }) {
1190	<
1485	>	for (Integer v1 : new Integer[] { 1, null })
1486	>	{
1487		final CompletableFuture<Integer> f = new CompletableFuture<>();
1488	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1489	<	final SubtractFunction r = new SubtractFunction();
1194	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1488	>	final NoopConsumer[] rs = new NoopConsumer[4];
1489	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1490
1491	<	assertTrue(g.cancel(mayInterruptIfRunning));
1492	<	checkIncomplete(h);
1493	<	f.complete(v1);
1491	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1492	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1493	>	checkIncomplete(h0);
1494	>	checkIncomplete(h1);
1495	>	assertTrue(f.complete(v1));
1496	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1497	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1498
1499	<	checkCompletedWithWrappedCancellationException(h);
1500	<	checkCancelled(g);
1501	<	assertEquals(r.invocationCount, 0);
1499	>	checkCompletedNormally(h0, null);
1500	>	checkCompletedNormally(h1, null);
1501	>	checkCompletedNormally(h2, null);
1502	>	checkCompletedNormally(h3, null);
1503		checkCompletedNormally(f, v1);
1504	<	}
1505	<	}
1504	>	for (NoopConsumer r : rs) r.assertValue(v1);
1505	>	}}
1506
1507	<	public void testThenCombine_sourceCancelled3() {
1507	>	/**
1508	>	* thenAccept result completes exceptionally after exceptional
1509	>	* completion of source
1510	>	*/
1511	>	public void testThenAccept_exceptionalCompletion() {
1512		for (ExecutionMode m : ExecutionMode.values())
1513	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1514	<	for (Integer v1 : new Integer[] { 1, null }) {
1211	<
1513	>	{
1514	>	final CFException ex = new CFException();
1515		final CompletableFuture<Integer> f = new CompletableFuture<>();
1516	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1517	<	final SubtractFunction r = new SubtractFunction();
1516	>	final NoopConsumer[] rs = new NoopConsumer[4];
1517	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1518
1519	<	assertTrue(g.cancel(mayInterruptIfRunning));
1520	<	f.complete(v1);
1521	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1519	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1520	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1521	>	assertTrue(f.completeExceptionally(ex));
1522	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1523	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1524	>
1525	>	checkCompletedWithWrappedException(h0, ex);
1526	>	checkCompletedWithWrappedException(h1, ex);
1527	>	checkCompletedWithWrappedException(h2, ex);
1528	>	checkCompletedWithWrappedException(h3, ex);
1529	>	checkCompletedExceptionally(f, ex);
1530	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1531	>	}}
1532
1533	<	checkCompletedWithWrappedCancellationException(h);
1534	<	checkCancelled(g);
1535	<	assertEquals(r.invocationCount, 0);
1536	<	checkCompletedNormally(f, v1);
1224	<	}
1225	<	}
1226	<
1227	<	public void testThenCombine_sourceCancelled4() {
1533	>	/**
1534	>	* thenAccept result completes exceptionally if source cancelled
1535	>	*/
1536	>	public void testThenAccept_sourceCancelled() {
1537		for (ExecutionMode m : ExecutionMode.values())
1538		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1539	<	for (Integer v1 : new Integer[] { 1, null }) {
1231	<
1539	>	{
1540		final CompletableFuture<Integer> f = new CompletableFuture<>();
1541	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1542	<	final SubtractFunction r = new SubtractFunction();
1541	>	final NoopConsumer[] rs = new NoopConsumer[4];
1542	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1543
1544	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1545	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1546		assertTrue(f.cancel(mayInterruptIfRunning));
1547	<	g.complete(v1);
1548	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1547	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1548	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1549
1550	<	checkCompletedWithWrappedCancellationException(h);
1550	>	checkCompletedWithWrappedCancellationException(h0);
1551	>	checkCompletedWithWrappedCancellationException(h1);
1552	>	checkCompletedWithWrappedCancellationException(h2);
1553	>	checkCompletedWithWrappedCancellationException(h3);
1554		checkCancelled(f);
1555	<	assertEquals(r.invocationCount, 0);
1556	<	checkCompletedNormally(g, v1);
1244	<	}
1245	<	}
1555	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1556	>	}}
1557
1558		/**
1559	<	* thenAcceptBoth result completes normally after normal
1249	<	* completion of sources
1559	>	* thenAccept result completes exceptionally if action does
1560		*/
1561	<	public void testThenAcceptBoth_normalCompletion1() {
1561	>	public void testThenAccept_actionFailed() {
1562		for (ExecutionMode m : ExecutionMode.values())
1563		for (Integer v1 : new Integer[] { 1, null })
1564	<	for (Integer v2 : new Integer[] { 2, null }) {
1255	<
1564	>	{
1565		final CompletableFuture<Integer> f = new CompletableFuture<>();
1566	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1567	<	final SubtractAction r = new SubtractAction();
1259	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1566	>	final FailingConsumer[] rs = new FailingConsumer[4];
1567	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1568
1569	<	f.complete(v1);
1570	<	checkIncomplete(h);
1571	<	assertFalse(r.ran());
1572	<	g.complete(v2);
1569	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1570	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1571	>	assertTrue(f.complete(v1));
1572	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1573	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1574
1575	<	checkCompletedNormally(h, null);
1576	<	assertEquals(r.value, subtract(v1, v2));
1575	>	checkCompletedWithWrappedCFException(h0);
1576	>	checkCompletedWithWrappedCFException(h1);
1577	>	checkCompletedWithWrappedCFException(h2);
1578	>	checkCompletedWithWrappedCFException(h3);
1579		checkCompletedNormally(f, v1);
1580	<	checkCompletedNormally(g, v2);
1270	<	}
1271	<	}
1580	>	}}
1581
1582	<	public void testThenAcceptBoth_normalCompletion2() {
1582	>	/**
1583	>	* thenCombine result completes normally after normal completion
1584	>	* of sources
1585	>	*/
1586	>	public void testThenCombine_normalCompletion() {
1587		for (ExecutionMode m : ExecutionMode.values())
1588	+	for (boolean fFirst : new boolean[] { true, false })
1589		for (Integer v1 : new Integer[] { 1, null })
1590	<	for (Integer v2 : new Integer[] { 2, null }) {
1591	<
1590	>	for (Integer v2 : new Integer[] { 2, null })
1591	>	{
1592		final CompletableFuture<Integer> f = new CompletableFuture<>();
1593		final CompletableFuture<Integer> g = new CompletableFuture<>();
1594	<	final SubtractAction r = new SubtractAction();
1595	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1596	<
1597	<	g.complete(v2);
1598	<	checkIncomplete(h);
1599	<	assertFalse(r.ran());
1600	<	f.complete(v1);
1594	>	final SubtractFunction[] rs = new SubtractFunction[6];
1595	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1596	>
1597	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1598	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1599	>	final Integer w1 =  fFirst ? v1 : v2;
1600	>	final Integer w2 = !fFirst ? v1 : v2;
1601	>
1602	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1603	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1604	>	assertTrue(fst.complete(w1));
1605	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1606	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1607	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1608	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1609	>	checkCompletedNormally(h1, subtract(w1, w1));
1610	>	checkCompletedNormally(h3, subtract(w1, w1));
1611	>	rs[1].assertValue(subtract(w1, w1));
1612	>	rs[3].assertValue(subtract(w1, w1));
1613	>	assertTrue(snd.complete(w2));
1614	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1615	>
1616	>	checkCompletedNormally(h0, subtract(v1, v2));
1617	>	checkCompletedNormally(h2, subtract(v1, v2));
1618	>	checkCompletedNormally(h4, subtract(v1, v2));
1619	>	rs[0].assertValue(subtract(v1, v2));
1620	>	rs[2].assertValue(subtract(v1, v2));
1621	>	rs[4].assertValue(subtract(v1, v2));
1622
1288	–	checkCompletedNormally(h, null);
1289	–	assertEquals(r.value, subtract(v1, v2));
1623		checkCompletedNormally(f, v1);
1624		checkCompletedNormally(g, v2);
1625	<	}
1293	<	}
1625	>	}}
1626
1627	<	public void testThenAcceptBoth_normalCompletion3() {
1627	>	/**
1628	>	* thenCombine result completes exceptionally after exceptional
1629	>	* completion of either source
1630	>	*/
1631	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1632		for (ExecutionMode m : ExecutionMode.values())
1633	+	for (boolean fFirst : new boolean[] { true, false })
1634	+	for (boolean failFirst : new boolean[] { true, false })
1635		for (Integer v1 : new Integer[] { 1, null })
1636	<	for (Integer v2 : new Integer[] { 2, null }) {
1299	<
1636	>	{
1637		final CompletableFuture<Integer> f = new CompletableFuture<>();
1638		final CompletableFuture<Integer> g = new CompletableFuture<>();
1639	<	final SubtractAction r = new SubtractAction();
1640	<
1641	<	g.complete(v2);
1642	<	f.complete(v1);
1643	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1644	<
1645	<	checkCompletedNormally(h, null);
1646	<	assertEquals(r.value, subtract(v1, v2));
1647	<	checkCompletedNormally(f, v1);
1648	<	checkCompletedNormally(g, v2);
1649	<	}
1650	<	}
1639	>	final CFException ex = new CFException();
1640	>	final SubtractFunction r1 = new SubtractFunction(m);
1641	>	final SubtractFunction r2 = new SubtractFunction(m);
1642	>	final SubtractFunction r3 = new SubtractFunction(m);
1643	>
1644	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1645	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1646	>	final Callable<Boolean> complete1 = failFirst ?
1647	>	() -> fst.completeExceptionally(ex) :
1648	>	() -> fst.complete(v1);
1649	>	final Callable<Boolean> complete2 = failFirst ?
1650	>	() -> snd.complete(v1) :
1651	>	() -> snd.completeExceptionally(ex);
1652	>
1653	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1654	>	assertTrue(complete1.call());
1655	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1656	>	checkIncomplete(h1);
1657	>	checkIncomplete(h2);
1658	>	assertTrue(complete2.call());
1659	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1660	>
1661	>	checkCompletedWithWrappedException(h1, ex);
1662	>	checkCompletedWithWrappedException(h2, ex);
1663	>	checkCompletedWithWrappedException(h3, ex);
1664	>	r1.assertNotInvoked();
1665	>	r2.assertNotInvoked();
1666	>	r3.assertNotInvoked();
1667	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1668	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1669	>	}}
1670
1671	<	public void testThenAcceptBoth_normalCompletion4() {
1671	>	/**
1672	>	* thenCombine result completes exceptionally if either source cancelled
1673	>	*/
1674	>	public void testThenCombine_sourceCancelled() throws Throwable {
1675		for (ExecutionMode m : ExecutionMode.values())
1676	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1677	+	for (boolean fFirst : new boolean[] { true, false })
1678	+	for (boolean failFirst : new boolean[] { true, false })
1679		for (Integer v1 : new Integer[] { 1, null })
1680	<	for (Integer v2 : new Integer[] { 2, null }) {
1319	<
1680	>	{
1681		final CompletableFuture<Integer> f = new CompletableFuture<>();
1682		final CompletableFuture<Integer> g = new CompletableFuture<>();
1683	<	final SubtractAction r = new SubtractAction();
1684	<
1685	<	f.complete(v1);
1686	<	g.complete(v2);
1687	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1688	<
1689	<	checkCompletedNormally(h, null);
1690	<	assertEquals(r.value, subtract(v1, v2));
1691	<	checkCompletedNormally(f, v1);
1692	<	checkCompletedNormally(g, v2);
1693	<	}
1694	<	}
1683	>	final SubtractFunction r1 = new SubtractFunction(m);
1684	>	final SubtractFunction r2 = new SubtractFunction(m);
1685	>	final SubtractFunction r3 = new SubtractFunction(m);
1686	>
1687	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1688	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1689	>	final Callable<Boolean> complete1 = failFirst ?
1690	>	() -> fst.cancel(mayInterruptIfRunning) :
1691	>	() -> fst.complete(v1);
1692	>	final Callable<Boolean> complete2 = failFirst ?
1693	>	() -> snd.complete(v1) :
1694	>	() -> snd.cancel(mayInterruptIfRunning);
1695	>
1696	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1697	>	assertTrue(complete1.call());
1698	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1699	>	checkIncomplete(h1);
1700	>	checkIncomplete(h2);
1701	>	assertTrue(complete2.call());
1702	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1703	>
1704	>	checkCompletedWithWrappedCancellationException(h1);
1705	>	checkCompletedWithWrappedCancellationException(h2);
1706	>	checkCompletedWithWrappedCancellationException(h3);
1707	>	r1.assertNotInvoked();
1708	>	r2.assertNotInvoked();
1709	>	r3.assertNotInvoked();
1710	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1711	>	checkCancelled(failFirst ? fst : snd);
1712	>	}}
1713
1714		/**
1715	<	* thenAcceptBoth result completes exceptionally after exceptional
1337	<	* completion of either source
1715	>	* thenCombine result completes exceptionally if action does
1716		*/
1717	<	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() {
1717	>	public void testThenCombine_actionFailed() {
1718		for (ExecutionMode m : ExecutionMode.values())
1719	<	for (Integer v1 : new Integer[] { 1, null }) {
1720	<
1719	>	for (boolean fFirst : new boolean[] { true, false })
1720	>	for (Integer v1 : new Integer[] { 1, null })
1721	>	for (Integer v2 : new Integer[] { 2, null })
1722	>	{
1723		final CompletableFuture<Integer> f = new CompletableFuture<>();
1724		final CompletableFuture<Integer> g = new CompletableFuture<>();
1725	<	final SubtractAction r = new SubtractAction();
1726	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1727	<	final CFException ex = new CFException();
1725	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1726	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1727	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1728
1729	<	g.completeExceptionally(ex);
1730	<	checkIncomplete(h);
1731	<	f.complete(v1);
1729	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1730	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1731	>	final Integer w1 =  fFirst ? v1 : v2;
1732	>	final Integer w2 = !fFirst ? v1 : v2;
1733
1734	<	checkCompletedWithWrappedCFException(h, ex);
1735	<	checkCompletedWithWrappedCFException(g, ex);
1736	<	assertEquals(r.invocationCount, 0);
1737	<	checkCompletedNormally(f, v1);
1738	<	}
1379	<	}
1380	<
1381	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1382	<	for (ExecutionMode m : ExecutionMode.values())
1383	<	for (Integer v1 : new Integer[] { 1, null }) {
1384	<
1385	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1386	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1387	<	final SubtractAction r = new SubtractAction();
1388	<	final CFException ex = new CFException();
1734	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1735	>	assertTrue(fst.complete(w1));
1736	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1737	>	assertTrue(snd.complete(w2));
1738	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1739
1740	<	g.completeExceptionally(ex);
1741	<	f.complete(v1);
1742	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1743	<
1744	<	checkCompletedWithWrappedCFException(h, ex);
1745	<	checkCompletedWithWrappedCFException(g, ex);
1396	<	assertEquals(r.invocationCount, 0);
1740	>	checkCompletedWithWrappedCFException(h1);
1741	>	checkCompletedWithWrappedCFException(h2);
1742	>	checkCompletedWithWrappedCFException(h3);
1743	>	r1.assertInvoked();
1744	>	r2.assertInvoked();
1745	>	r3.assertInvoked();
1746		checkCompletedNormally(f, v1);
1747	<	}
1748	<	}
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	<	}
1747	>	checkCompletedNormally(g, v2);
1748	>	}}
1749
1750		/**
1751	<	* thenAcceptBoth result completes exceptionally if action does
1751	>	* thenAcceptBoth result completes normally after normal
1752	>	* completion of sources
1753		*/
1754	<	public void testThenAcceptBoth_actionFailed1() {
1754	>	public void testThenAcceptBoth_normalCompletion() {
1755		for (ExecutionMode m : ExecutionMode.values())
1756	+	for (boolean fFirst : new boolean[] { true, false })
1757		for (Integer v1 : new Integer[] { 1, null })
1758	<	for (Integer v2 : new Integer[] { 2, null }) {
1759	<
1758	>	for (Integer v2 : new Integer[] { 2, null })
1759	>	{
1760		final CompletableFuture<Integer> f = new CompletableFuture<>();
1761		final CompletableFuture<Integer> g = new CompletableFuture<>();
1762	<	final FailingBiConsumer r = new FailingBiConsumer();
1763	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1764	<
1765	<	f.complete(v1);
1766	<	checkIncomplete(h);
1767	<	g.complete(v2);
1768	<
1769	<	checkCompletedWithWrappedCFException(h);
1762	>	final SubtractAction r1 = new SubtractAction(m);
1763	>	final SubtractAction r2 = new SubtractAction(m);
1764	>	final SubtractAction r3 = new SubtractAction(m);
1765	>
1766	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1767	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1768	>	final Integer w1 =  fFirst ? v1 : v2;
1769	>	final Integer w2 = !fFirst ? v1 : v2;
1770	>
1771	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1772	>	assertTrue(fst.complete(w1));
1773	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1774	>	checkIncomplete(h1);
1775	>	checkIncomplete(h2);
1776	>	r1.assertNotInvoked();
1777	>	r2.assertNotInvoked();
1778	>	assertTrue(snd.complete(w2));
1779	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1780	>
1781	>	checkCompletedNormally(h1, null);
1782	>	checkCompletedNormally(h2, null);
1783	>	checkCompletedNormally(h3, null);
1784	>	r1.assertValue(subtract(v1, v2));
1785	>	r2.assertValue(subtract(v1, v2));
1786	>	r3.assertValue(subtract(v1, v2));
1787		checkCompletedNormally(f, v1);
1788		checkCompletedNormally(g, v2);
1789	<	}
1442	<	}
1789	>	}}
1790
1791	<	public void testThenAcceptBoth_actionFailed2() {
1791	>	/**
1792	>	* thenAcceptBoth result completes exceptionally after exceptional
1793	>	* completion of either source
1794	>	*/
1795	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1796		for (ExecutionMode m : ExecutionMode.values())
1797	+	for (boolean fFirst : new boolean[] { true, false })
1798	+	for (boolean failFirst : new boolean[] { true, false })
1799		for (Integer v1 : new Integer[] { 1, null })
1800	<	for (Integer v2 : new Integer[] { 2, null }) {
1448	<
1800	>	{
1801		final CompletableFuture<Integer> f = new CompletableFuture<>();
1802		final CompletableFuture<Integer> g = new CompletableFuture<>();
1803	<	final FailingBiConsumer r = new FailingBiConsumer();
1804	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1805	<
1806	<	g.complete(v2);
1807	<	checkIncomplete(h);
1808	<	f.complete(v1);
1809	<
1810	<	checkCompletedWithWrappedCFException(h);
1811	<	checkCompletedNormally(f, v1);
1812	<	checkCompletedNormally(g, v2);
1813	<	}
1814	<	}
1803	>	final CFException ex = new CFException();
1804	>	final SubtractAction r1 = new SubtractAction(m);
1805	>	final SubtractAction r2 = new SubtractAction(m);
1806	>	final SubtractAction r3 = new SubtractAction(m);
1807	>
1808	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1809	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1810	>	final Callable<Boolean> complete1 = failFirst ?
1811	>	() -> fst.completeExceptionally(ex) :
1812	>	() -> fst.complete(v1);
1813	>	final Callable<Boolean> complete2 = failFirst ?
1814	>	() -> snd.complete(v1) :
1815	>	() -> snd.completeExceptionally(ex);
1816	>
1817	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1818	>	assertTrue(complete1.call());
1819	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1820	>	checkIncomplete(h1);
1821	>	checkIncomplete(h2);
1822	>	assertTrue(complete2.call());
1823	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1824	>
1825	>	checkCompletedWithWrappedException(h1, ex);
1826	>	checkCompletedWithWrappedException(h2, ex);
1827	>	checkCompletedWithWrappedException(h3, ex);
1828	>	r1.assertNotInvoked();
1829	>	r2.assertNotInvoked();
1830	>	r3.assertNotInvoked();
1831	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1832	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1833	>	}}
1834
1835		/**
1836		* thenAcceptBoth result completes exceptionally if either source cancelled
1837		*/
1838	<	public void testThenAcceptBoth_sourceCancelled1() {
1838	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1839		for (ExecutionMode m : ExecutionMode.values())
1840		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1841	<	for (Integer v1 : new Integer[] { 1, null }) {
1842	<
1843	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1844	<	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	<
1841	>	for (boolean fFirst : new boolean[] { true, false })
1842	>	for (boolean failFirst : new boolean[] { true, false })
1843	>	for (Integer v1 : new Integer[] { 1, null })
1844	>	{
1845		final CompletableFuture<Integer> f = new CompletableFuture<>();
1846		final CompletableFuture<Integer> g = new CompletableFuture<>();
1847	<	final SubtractAction r = new SubtractAction();
1848	<
1849	<	assertTrue(f.cancel(mayInterruptIfRunning));
1850	<	g.complete(v1);
1851	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1852	<
1853	<	checkCompletedWithWrappedCancellationException(h);
1854	<	checkCancelled(f);
1855	<	assertEquals(r.invocationCount, 0);
1856	<	checkCompletedNormally(g, v1);
1857	<	}
1858	<	}
1847	>	final SubtractAction r1 = new SubtractAction(m);
1848	>	final SubtractAction r2 = new SubtractAction(m);
1849	>	final SubtractAction r3 = new SubtractAction(m);
1850	>
1851	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1852	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1853	>	final Callable<Boolean> complete1 = failFirst ?
1854	>	() -> fst.cancel(mayInterruptIfRunning) :
1855	>	() -> fst.complete(v1);
1856	>	final Callable<Boolean> complete2 = failFirst ?
1857	>	() -> snd.complete(v1) :
1858	>	() -> snd.cancel(mayInterruptIfRunning);
1859	>
1860	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1861	>	assertTrue(complete1.call());
1862	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1863	>	checkIncomplete(h1);
1864	>	checkIncomplete(h2);
1865	>	assertTrue(complete2.call());
1866	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1867	>
1868	>	checkCompletedWithWrappedCancellationException(h1);
1869	>	checkCompletedWithWrappedCancellationException(h2);
1870	>	checkCompletedWithWrappedCancellationException(h3);
1871	>	r1.assertNotInvoked();
1872	>	r2.assertNotInvoked();
1873	>	r3.assertNotInvoked();
1874	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1875	>	checkCancelled(failFirst ? fst : snd);
1876	>	}}
1877
1878		/**
1879	<	* runAfterBoth result completes normally after normal
1551	<	* completion of sources
1879	>	* thenAcceptBoth result completes exceptionally if action does
1880		*/
1881	<	public void testRunAfterBoth_normalCompletion1() {
1881	>	public void testThenAcceptBoth_actionFailed() {
1882		for (ExecutionMode m : ExecutionMode.values())
1883	+	for (boolean fFirst : new boolean[] { true, false })
1884		for (Integer v1 : new Integer[] { 1, null })
1885	<	for (Integer v2 : new Integer[] { 2, null }) {
1886	<
1885	>	for (Integer v2 : new Integer[] { 2, null })
1886	>	{
1887		final CompletableFuture<Integer> f = new CompletableFuture<>();
1888		final CompletableFuture<Integer> g = new CompletableFuture<>();
1889	<	final Noop r = new Noop();
1890	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1891	<
1563	<	f.complete(v1);
1564	<	checkIncomplete(h);
1565	<	assertFalse(r.ran);
1566	<	g.complete(v2);
1567	<
1568	<	checkCompletedNormally(h, null);
1569	<	assertEquals(r.invocationCount, 1);
1570	<	checkCompletedNormally(f, v1);
1571	<	checkCompletedNormally(g, v2);
1572	<	}
1573	<	}
1574	<
1575	<	public void testRunAfterBoth_normalCompletion2() {
1576	<	for (ExecutionMode m : ExecutionMode.values())
1577	<	for (Integer v1 : new Integer[] { 1, null })
1578	<	for (Integer v2 : new Integer[] { 2, null }) {
1889	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1890	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1891	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1892
1893	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1894	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1895	<	final Noop r = new Noop();
1896	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1893	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1894	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1895	>	final Integer w1 =  fFirst ? v1 : v2;
1896	>	final Integer w2 = !fFirst ? v1 : v2;
1897
1898	<	g.complete(v2);
1899	<	checkIncomplete(h);
1900	<	assertFalse(r.ran);
1901	<	f.complete(v1);
1898	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1899	>	assertTrue(fst.complete(w1));
1900	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1901	>	assertTrue(snd.complete(w2));
1902	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1903
1904	<	checkCompletedNormally(h, null);
1905	<	assertEquals(r.invocationCount, 1);
1904	>	checkCompletedWithWrappedCFException(h1);
1905	>	checkCompletedWithWrappedCFException(h2);
1906	>	checkCompletedWithWrappedCFException(h3);
1907	>	r1.assertInvoked();
1908	>	r2.assertInvoked();
1909	>	r3.assertInvoked();
1910		checkCompletedNormally(f, v1);
1911		checkCompletedNormally(g, v2);
1912	<	}
1595	<	}
1912	>	}}
1913
1914	<	public void testRunAfterBoth_normalCompletion3() {
1914	>	/**
1915	>	* runAfterBoth result completes normally after normal
1916	>	* completion of sources
1917	>	*/
1918	>	public void testRunAfterBoth_normalCompletion() {
1919		for (ExecutionMode m : ExecutionMode.values())
1920	+	for (boolean fFirst : new boolean[] { true, false })
1921		for (Integer v1 : new Integer[] { 1, null })
1922	<	for (Integer v2 : new Integer[] { 2, null }) {
1923	<
1922	>	for (Integer v2 : new Integer[] { 2, null })
1923	>	{
1924		final CompletableFuture<Integer> f = new CompletableFuture<>();
1925		final CompletableFuture<Integer> g = new CompletableFuture<>();
1926	<	final Noop r = new Noop();
1927	<
1928	<	g.complete(v2);
1929	<	f.complete(v1);
1930	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1931	<
1932	<	checkCompletedNormally(h, null);
1933	<	assertTrue(r.ran);
1926	>	final Noop r1 = new Noop(m);
1927	>	final Noop r2 = new Noop(m);
1928	>	final Noop r3 = new Noop(m);
1929	>
1930	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1931	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1932	>	final Integer w1 =  fFirst ? v1 : v2;
1933	>	final Integer w2 = !fFirst ? v1 : v2;
1934	>
1935	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1936	>	assertTrue(fst.complete(w1));
1937	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1938	>	checkIncomplete(h1);
1939	>	checkIncomplete(h2);
1940	>	r1.assertNotInvoked();
1941	>	r2.assertNotInvoked();
1942	>	assertTrue(snd.complete(w2));
1943	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1944	>
1945	>	checkCompletedNormally(h1, null);
1946	>	checkCompletedNormally(h2, null);
1947	>	checkCompletedNormally(h3, null);
1948	>	r1.assertInvoked();
1949	>	r2.assertInvoked();
1950	>	r3.assertInvoked();
1951		checkCompletedNormally(f, v1);
1952		checkCompletedNormally(g, v2);
1953	<	}
1615	<	}
1616	<
1617	<	public void testRunAfterBoth_normalCompletion4() {
1618	<	for (ExecutionMode m : ExecutionMode.values())
1619	<	for (Integer v1 : new Integer[] { 1, null })
1620	<	for (Integer v2 : new Integer[] { 2, null }) {
1621	<
1622	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1623	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1624	<	final Noop r = new Noop();
1625	<
1626	<	f.complete(v1);
1627	<	g.complete(v2);
1628	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1629	<
1630	<	checkCompletedNormally(h, null);
1631	<	assertEquals(r.invocationCount, 1);
1632	<	checkCompletedNormally(f, v1);
1633	<	checkCompletedNormally(g, v2);
1634	<	}
1635	<	}
1953	>	}}
1954
1955		/**
1956		* runAfterBoth result completes exceptionally after exceptional
1957		* completion of either source
1958		*/
1959	<	public void testRunAfterBoth_exceptionalCompletion1() {
1959	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1960		for (ExecutionMode m : ExecutionMode.values())
1961	<	for (Integer v1 : new Integer[] { 1, null }) {
1962	<
1963	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1964	<	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() {
1704	<	for (ExecutionMode m : ExecutionMode.values())
1705	<	for (Integer v1 : new Integer[] { 1, null }) {
1706	<
1961	>	for (boolean fFirst : new boolean[] { true, false })
1962	>	for (boolean failFirst : new boolean[] { true, false })
1963	>	for (Integer v1 : new Integer[] { 1, null })
1964	>	{
1965		final CompletableFuture<Integer> f = new CompletableFuture<>();
1966		final CompletableFuture<Integer> g = new CompletableFuture<>();
1709	–	final Noop r = new Noop();
1967		final CFException ex = new CFException();
1968	<
1969	<	f.completeExceptionally(ex);
1970	<	g.complete(v1);
1971	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1972	<
1973	<	checkCompletedWithWrappedCFException(h, ex);
1974	<	checkCompletedWithWrappedCFException(f, ex);
1975	<	assertEquals(r.invocationCount, 0);
1976	<	checkCompletedNormally(g, v1);
1977	<	}
1978	<	}
1968	>	final Noop r1 = new Noop(m);
1969	>	final Noop r2 = new Noop(m);
1970	>	final Noop r3 = new Noop(m);
1971	>
1972	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1973	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1974	>	final Callable<Boolean> complete1 = failFirst ?
1975	>	() -> fst.completeExceptionally(ex) :
1976	>	() -> fst.complete(v1);
1977	>	final Callable<Boolean> complete2 = failFirst ?
1978	>	() -> snd.complete(v1) :
1979	>	() -> snd.completeExceptionally(ex);
1980	>
1981	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1982	>	assertTrue(complete1.call());
1983	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1984	>	checkIncomplete(h1);
1985	>	checkIncomplete(h2);
1986	>	assertTrue(complete2.call());
1987	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1988	>
1989	>	checkCompletedWithWrappedException(h1, ex);
1990	>	checkCompletedWithWrappedException(h2, ex);
1991	>	checkCompletedWithWrappedException(h3, ex);
1992	>	r1.assertNotInvoked();
1993	>	r2.assertNotInvoked();
1994	>	r3.assertNotInvoked();
1995	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1996	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1997	>	}}
1998
1999		/**
2000	<	* runAfterBoth result completes exceptionally if action does
2000	>	* runAfterBoth result completes exceptionally if either source cancelled
2001		*/
2002	<	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() {
2002	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2003		for (ExecutionMode m : ExecutionMode.values())
2004	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2005	+	for (boolean fFirst : new boolean[] { true, false })
2006	+	for (boolean failFirst : new boolean[] { true, false })
2007		for (Integer v1 : new Integer[] { 1, null })
2008	<	for (Integer v2 : new Integer[] { 2, null }) {
1750	<
2008	>	{
2009		final CompletableFuture<Integer> f = new CompletableFuture<>();
2010		final CompletableFuture<Integer> g = new CompletableFuture<>();
2011	<	final FailingNoop r = new FailingNoop();
2012	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2013	<
2014	<	g.complete(v2);
2015	<	checkIncomplete(h);
2016	<	f.complete(v1);
2017	<
2018	<	checkCompletedWithWrappedCFException(h);
2019	<	checkCompletedNormally(f, v1);
2020	<	checkCompletedNormally(g, v2);
2021	<	}
2022	<	}
2011	>	final Noop r1 = new Noop(m);
2012	>	final Noop r2 = new Noop(m);
2013	>	final Noop r3 = new Noop(m);
2014	>
2015	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2016	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2017	>	final Callable<Boolean> complete1 = failFirst ?
2018	>	() -> fst.cancel(mayInterruptIfRunning) :
2019	>	() -> fst.complete(v1);
2020	>	final Callable<Boolean> complete2 = failFirst ?
2021	>	() -> snd.complete(v1) :
2022	>	() -> snd.cancel(mayInterruptIfRunning);
2023	>
2024	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2025	>	assertTrue(complete1.call());
2026	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2027	>	checkIncomplete(h1);
2028	>	checkIncomplete(h2);
2029	>	assertTrue(complete2.call());
2030	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2031	>
2032	>	checkCompletedWithWrappedCancellationException(h1);
2033	>	checkCompletedWithWrappedCancellationException(h2);
2034	>	checkCompletedWithWrappedCancellationException(h3);
2035	>	r1.assertNotInvoked();
2036	>	r2.assertNotInvoked();
2037	>	r3.assertNotInvoked();
2038	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2039	>	checkCancelled(failFirst ? fst : snd);
2040	>	}}
2041
2042		/**
2043	<	* runAfterBoth result completes exceptionally if either source cancelled
2043	>	* runAfterBoth result completes exceptionally if action does
2044		*/
2045	<	public void testRunAfterBoth_sourceCancelled1() {
2045	>	public void testRunAfterBoth_actionFailed() {
2046		for (ExecutionMode m : ExecutionMode.values())
2047	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2048	<	for (Integer v1 : new Integer[] { 1, null }) {
2049	<
2050	<	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	<
2047	>	for (boolean fFirst : new boolean[] { true, false })
2048	>	for (Integer v1 : new Integer[] { 1, null })
2049	>	for (Integer v2 : new Integer[] { 2, null })
2050	>	{
2051		final CompletableFuture<Integer> f = new CompletableFuture<>();
2052		final CompletableFuture<Integer> g = new CompletableFuture<>();
2053	<	final Noop r = new Noop();
2054	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2055	<
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	<	}
2053	>	final FailingRunnable r1 = new FailingRunnable(m);
2054	>	final FailingRunnable r2 = new FailingRunnable(m);
2055	>	final FailingRunnable r3 = new FailingRunnable(m);
2056
2057	<	public void testRunAfterBoth_sourceCancelled3() {
2058	<	for (ExecutionMode m : ExecutionMode.values())
2059	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2060	<	for (Integer v1 : new Integer[] { 1, null }) {
2057	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2058	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2059	>	final Integer w1 =  fFirst ? v1 : v2;
2060	>	final Integer w2 = !fFirst ? v1 : v2;
2061
2062	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2063	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2064	<	final Noop r = new Noop();
2065	<
2066	<	assertTrue(g.cancel(mayInterruptIfRunning));
1821	<	f.complete(v1);
1822	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2062	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2063	>	assertTrue(fst.complete(w1));
2064	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2065	>	assertTrue(snd.complete(w2));
2066	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2067
2068	<	checkCompletedWithWrappedCancellationException(h);
2069	<	checkCancelled(g);
2070	<	assertEquals(r.invocationCount, 0);
2068	>	checkCompletedWithWrappedCFException(h1);
2069	>	checkCompletedWithWrappedCFException(h2);
2070	>	checkCompletedWithWrappedCFException(h3);
2071	>	r1.assertInvoked();
2072	>	r2.assertInvoked();
2073	>	r3.assertInvoked();
2074		checkCompletedNormally(f, v1);
2075	<	}
2076	<	}
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	<	}
2075	>	checkCompletedNormally(g, v2);
2076	>	}}
2077
2078		/**
2079		* applyToEither result completes normally after normal completion
2080		* of either source
2081		*/
2082	<	public void testApplyToEither_normalCompletion1() {
2082	>	public void testApplyToEither_normalCompletion() {
2083		for (ExecutionMode m : ExecutionMode.values())
2084		for (Integer v1 : new Integer[] { 1, null })
2085	<	for (Integer v2 : new Integer[] { 2, null }) {
2086	<
2085	>	for (Integer v2 : new Integer[] { 2, null })
2086	>	{
2087		final CompletableFuture<Integer> f = new CompletableFuture<>();
2088		final CompletableFuture<Integer> g = new CompletableFuture<>();
2089	<	final IncFunction r = new IncFunction();
2090	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2089	>	final IncFunction[] rs = new IncFunction[6];
2090	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2091
2092	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2093	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2094	+	checkIncomplete(h0);
2095	+	checkIncomplete(h1);
2096	+	rs[0].assertNotInvoked();
2097	+	rs[1].assertNotInvoked();
2098		f.complete(v1);
2099	<	checkCompletedNormally(h, inc(v1));
2100	<	g.complete(v2);
2101	<
2102	<	checkCompletedNormally(f, v1);
2103	<	checkCompletedNormally(g, v2);
2104	<	checkCompletedNormally(h, inc(v1));
1872	<	}
1873	<	}
1874	<
1875	<	public void testApplyToEither_normalCompletion2() {
1876	<	for (ExecutionMode m : ExecutionMode.values())
1877	<	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	<
2099	>	checkCompletedNormally(h0, inc(v1));
2100	>	checkCompletedNormally(h1, inc(v1));
2101	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2102	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2103	>	checkCompletedNormally(h2, inc(v1));
2104	>	checkCompletedNormally(h3, inc(v1));
2105		g.complete(v2);
1886	–	checkCompletedNormally(h, inc(v2));
1887	–	f.complete(v1);
2106
2107	<	checkCompletedNormally(f, v1);
2108	<	checkCompletedNormally(g, v2);
2109	<	checkCompletedNormally(h, inc(v2));
2110	<	}
2111	<	}
2112	<	public void testApplyToEither_normalCompletion3() {
2113	<	for (ExecutionMode m : ExecutionMode.values())
2114	<	for (Integer v1 : new Integer[] { 1, null })
2115	<	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);
2107	>	// unspecified behavior - both source completions available
2108	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2109	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2110	>	rs[4].assertValue(h4.join());
2111	>	rs[5].assertValue(h5.join());
2112	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2113	>	Objects.equals(inc(v2), h4.join()));
2114	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2115	>	Objects.equals(inc(v2), h5.join()));
2116
2117		checkCompletedNormally(f, v1);
2118		checkCompletedNormally(g, v2);
2119	<
2120	<	// unspecified behavior
2121	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2122	<	Objects.equals(h.join(), inc(v2)));
2123	<	assertEquals(r.invocationCount, 1);
2124	<	}
1915	<	}
2119	>	checkCompletedNormally(h0, inc(v1));
2120	>	checkCompletedNormally(h1, inc(v1));
2121	>	checkCompletedNormally(h2, inc(v1));
2122	>	checkCompletedNormally(h3, inc(v1));
2123	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2124	>	}}
2125
2126		/**
2127		* applyToEither result completes exceptionally after exceptional
2128		* completion of either source
2129		*/
2130	<	public void testApplyToEither_exceptionalCompletion1() {
2130	>	public void testApplyToEither_exceptionalCompletion() {
2131		for (ExecutionMode m : ExecutionMode.values())
2132	<	for (Integer v1 : new Integer[] { 1, null }) {
2133	<
2132	>	for (Integer v1 : new Integer[] { 1, null })
2133	>	{
2134		final CompletableFuture<Integer> f = new CompletableFuture<>();
2135		final CompletableFuture<Integer> g = new CompletableFuture<>();
1927	–	final IncFunction r = new IncFunction();
1928	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2136		final CFException ex = new CFException();
2137	+	final IncFunction[] rs = new IncFunction[6];
2138	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2139
2140	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2141	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2142	+	checkIncomplete(h0);
2143	+	checkIncomplete(h1);
2144	+	rs[0].assertNotInvoked();
2145	+	rs[1].assertNotInvoked();
2146		f.completeExceptionally(ex);
2147	<	checkCompletedWithWrappedCFException(h, ex);
2147	>	checkCompletedWithWrappedException(h0, ex);
2148	>	checkCompletedWithWrappedException(h1, ex);
2149	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2150	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2151	>	checkCompletedWithWrappedException(h2, ex);
2152	>	checkCompletedWithWrappedException(h3, ex);
2153		g.complete(v1);
2154
2155	<	assertEquals(r.invocationCount, 0);
2156	<	checkCompletedNormally(g, v1);
2157	<	checkCompletedWithWrappedCFException(f, ex);
2158	<	checkCompletedWithWrappedCFException(h, ex);
2159	<	}
2160	<	}
2161	<
2162	<	public void testApplyToEither_exceptionalCompletion2() {
2163	<	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);
2155	>	// unspecified behavior - both source completions available
2156	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2157	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2158	>	try {
2159	>	assertEquals(inc(v1), h4.join());
2160	>	rs[4].assertValue(inc(v1));
2161	>	} catch (CompletionException ok) {
2162	>	checkCompletedWithWrappedException(h4, ex);
2163	>	rs[4].assertNotInvoked();
2164		}
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;
2165		try {
2166	<	assertEquals(h.join(), inc(v1));
2167	<	assertEquals(r.invocationCount, 1);
2166	>	assertEquals(inc(v1), h5.join());
2167	>	rs[5].assertValue(inc(v1));
2168		} catch (CompletionException ok) {
2169	<	checkCompletedWithWrappedCFException(h, ex);
2170	<	assertEquals(r.invocationCount, 0);
2169	>	checkCompletedWithWrappedException(h5, ex);
2170	>	rs[5].assertNotInvoked();
2171		}
2172
2173	<	checkCompletedWithWrappedCFException(g, ex);
2174	<	checkCompletedNormally(f, v1);
2175	<	}
2176	<	}
2173	>	checkCompletedExceptionally(f, ex);
2174	>	checkCompletedNormally(g, v1);
2175	>	checkCompletedWithWrappedException(h0, ex);
2176	>	checkCompletedWithWrappedException(h1, ex);
2177	>	checkCompletedWithWrappedException(h2, ex);
2178	>	checkCompletedWithWrappedException(h3, ex);
2179	>	checkCompletedWithWrappedException(h4, ex);
2180	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2181	>	}}
2182
2183	<	public void testApplyToEither_exceptionalCompletion4() {
2183	>	public void testApplyToEither_exceptionalCompletion2() {
2184		for (ExecutionMode m : ExecutionMode.values())
2185	<	for (Integer v1 : new Integer[] { 1, null }) {
2186	<
2185	>	for (boolean fFirst : new boolean[] { true, false })
2186	>	for (Integer v1 : new Integer[] { 1, null })
2187	>	{
2188		final CompletableFuture<Integer> f = new CompletableFuture<>();
2189		final CompletableFuture<Integer> g = new CompletableFuture<>();
1997	–	final IncFunction r = new IncFunction();
2190		final CFException ex = new CFException();
2191	+	final IncFunction[] rs = new IncFunction[6];
2192	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2193
2194	<	f.completeExceptionally(ex);
2195	<	g.complete(v1);
2196	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2194	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2195	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2196	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2197	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2198	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2199	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2200
2201	<	// unspecified behavior
2005	<	Integer v;
2201	>	// unspecified behavior - both source completions available
2202		try {
2203	<	assertEquals(h.join(), inc(v1));
2204	<	assertEquals(r.invocationCount, 1);
2203	>	assertEquals(inc(v1), h0.join());
2204	>	rs[0].assertValue(inc(v1));
2205		} catch (CompletionException ok) {
2206	<	checkCompletedWithWrappedCFException(h, ex);
2207	<	assertEquals(r.invocationCount, 0);
2206	>	checkCompletedWithWrappedException(h0, ex);
2207	>	rs[0].assertNotInvoked();
2208		}
2209	<
2210	<	checkCompletedWithWrappedCFException(f, ex);
2211	<	checkCompletedNormally(g, v1);
2209	>	try {
2210	>	assertEquals(inc(v1), h1.join());
2211	>	rs[1].assertValue(inc(v1));
2212	>	} catch (CompletionException ok) {
2213	>	checkCompletedWithWrappedException(h1, ex);
2214	>	rs[1].assertNotInvoked();
2215		}
2216	<	}
2217	<
2218	<	/**
2219	<	* applyToEither result completes exceptionally if action does
2220	<	*/
2221	<	public void testApplyToEither_actionFailed1() {
2222	<	for (ExecutionMode m : ExecutionMode.values())
2223	<	for (Integer v1 : new Integer[] { 1, null })
2224	<	for (Integer v2 : new Integer[] { 2, null }) {
2225	<
2226	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2227	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2228	<	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);
2216	>	try {
2217	>	assertEquals(inc(v1), h2.join());
2218	>	rs[2].assertValue(inc(v1));
2219	>	} catch (CompletionException ok) {
2220	>	checkCompletedWithWrappedException(h2, ex);
2221	>	rs[2].assertNotInvoked();
2222	>	}
2223	>	try {
2224	>	assertEquals(inc(v1), h3.join());
2225	>	rs[3].assertValue(inc(v1));
2226	>	} catch (CompletionException ok) {
2227	>	checkCompletedWithWrappedException(h3, ex);
2228	>	rs[3].assertNotInvoked();
2229		}
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);
2230
2050	–	g.complete(v2);
2051	–	checkCompletedWithWrappedCFException(h);
2052	–	f.complete(v1);
2231		checkCompletedNormally(f, v1);
2232	<	checkCompletedNormally(g, v2);
2233	<	}
2056	<	}
2232	>	checkCompletedExceptionally(g, ex);
2233	>	}}
2234
2235		/**
2236		* applyToEither result completes exceptionally if either source cancelled
2237		*/
2238	<	public void testApplyToEither_sourceCancelled1() {
2238	>	public void testApplyToEither_sourceCancelled() {
2239		for (ExecutionMode m : ExecutionMode.values())
2240		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2241	<	for (Integer v1 : new Integer[] { 1, null }) {
2242	<
2241	>	for (Integer v1 : new Integer[] { 1, null })
2242	>	{
2243		final CompletableFuture<Integer> f = new CompletableFuture<>();
2244		final CompletableFuture<Integer> g = new CompletableFuture<>();
2245	<	final IncFunction r = new IncFunction();
2246	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2245	>	final IncFunction[] rs = new IncFunction[6];
2246	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2247
2248	<	assertTrue(f.cancel(mayInterruptIfRunning));
2249	<	checkCompletedWithWrappedCancellationException(h);
2248	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2249	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2250	>	checkIncomplete(h0);
2251	>	checkIncomplete(h1);
2252	>	rs[0].assertNotInvoked();
2253	>	rs[1].assertNotInvoked();
2254	>	f.cancel(mayInterruptIfRunning);
2255	>	checkCompletedWithWrappedCancellationException(h0);
2256	>	checkCompletedWithWrappedCancellationException(h1);
2257	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2258	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2259	>	checkCompletedWithWrappedCancellationException(h2);
2260	>	checkCompletedWithWrappedCancellationException(h3);
2261		g.complete(v1);
2262
2263	+	// unspecified behavior - both source completions available
2264	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2265	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2266	+	try {
2267	+	assertEquals(inc(v1), h4.join());
2268	+	rs[4].assertValue(inc(v1));
2269	+	} catch (CompletionException ok) {
2270	+	checkCompletedWithWrappedCancellationException(h4);
2271	+	rs[4].assertNotInvoked();
2272	+	}
2273	+	try {
2274	+	assertEquals(inc(v1), h5.join());
2275	+	rs[5].assertValue(inc(v1));
2276	+	} catch (CompletionException ok) {
2277	+	checkCompletedWithWrappedCancellationException(h5);
2278	+	rs[5].assertNotInvoked();
2279	+	}
2280	+
2281		checkCancelled(f);
2076	–	assertEquals(r.invocationCount, 0);
2282		checkCompletedNormally(g, v1);
2283	<	checkCompletedWithWrappedCancellationException(h);
2284	<	}
2285	<	}
2283	>	checkCompletedWithWrappedCancellationException(h0);
2284	>	checkCompletedWithWrappedCancellationException(h1);
2285	>	checkCompletedWithWrappedCancellationException(h2);
2286	>	checkCompletedWithWrappedCancellationException(h3);
2287	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2288	>	}}
2289
2290		public void testApplyToEither_sourceCancelled2() {
2291		for (ExecutionMode m : ExecutionMode.values())
2292		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2293	<	for (Integer v1 : new Integer[] { 1, null }) {
2294	<
2293	>	for (boolean fFirst : new boolean[] { true, false })
2294	>	for (Integer v1 : new Integer[] { 1, null })
2295	>	{
2296		final CompletableFuture<Integer> f = new CompletableFuture<>();
2297		final CompletableFuture<Integer> g = new CompletableFuture<>();
2298	<	final IncFunction r = new IncFunction();
2299	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2298	>	final IncFunction[] rs = new IncFunction[6];
2299	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2300
2301	<	assertTrue(g.cancel(mayInterruptIfRunning));
2302	<	checkCompletedWithWrappedCancellationException(h);
2303	<	f.complete(v1);
2301	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2302	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2303	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2304	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2305	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2306	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2307
2308	<	checkCancelled(g);
2309	<	assertEquals(r.invocationCount, 0);
2310	<	checkCompletedNormally(f, v1);
2311	<	checkCompletedWithWrappedCancellationException(h);
2308	>	// unspecified behavior - both source completions available
2309	>	try {
2310	>	assertEquals(inc(v1), h0.join());
2311	>	rs[0].assertValue(inc(v1));
2312	>	} catch (CompletionException ok) {
2313	>	checkCompletedWithWrappedCancellationException(h0);
2314	>	rs[0].assertNotInvoked();
2315		}
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;
2316		try {
2317	<	assertEquals(h.join(), inc(v1));
2318	<	assertEquals(r.invocationCount, 1);
2317	>	assertEquals(inc(v1), h1.join());
2318	>	rs[1].assertValue(inc(v1));
2319		} catch (CompletionException ok) {
2320	<	checkCompletedWithWrappedCancellationException(h);
2321	<	assertEquals(r.invocationCount, 0);
2320	>	checkCompletedWithWrappedCancellationException(h1);
2321	>	rs[1].assertNotInvoked();
2322		}
2323	<
2324	<	checkCancelled(g);
2325	<	checkCompletedNormally(f, v1);
2323	>	try {
2324	>	assertEquals(inc(v1), h2.join());
2325	>	rs[2].assertValue(inc(v1));
2326	>	} catch (CompletionException ok) {
2327	>	checkCompletedWithWrappedCancellationException(h2);
2328	>	rs[2].assertNotInvoked();
2329		}
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;
2330		try {
2331	<	assertEquals(h.join(), inc(v1));
2332	<	assertEquals(r.invocationCount, 1);
2331	>	assertEquals(inc(v1), h3.join());
2332	>	rs[3].assertValue(inc(v1));
2333		} catch (CompletionException ok) {
2334	<	checkCompletedWithWrappedCancellationException(h);
2335	<	assertEquals(r.invocationCount, 0);
2334	>	checkCompletedWithWrappedCancellationException(h3);
2335	>	rs[3].assertNotInvoked();
2336		}
2337
2338	<	checkCancelled(f);
2339	<	checkCompletedNormally(g, v1);
2340	<	}
2157	<	}
2338	>	checkCompletedNormally(f, v1);
2339	>	checkCancelled(g);
2340	>	}}
2341
2342		/**
2343	<	* acceptEither result completes normally after normal completion
2161	<	* of either source
2343	>	* applyToEither result completes exceptionally if action does
2344		*/
2345	<	public void testAcceptEither_normalCompletion1() {
2345	>	public void testApplyToEither_actionFailed() {
2346		for (ExecutionMode m : ExecutionMode.values())
2347		for (Integer v1 : new Integer[] { 1, null })
2348	<	for (Integer v2 : new Integer[] { 2, null }) {
2349	<
2348	>	for (Integer v2 : new Integer[] { 2, null })
2349	>	{
2350		final CompletableFuture<Integer> f = new CompletableFuture<>();
2351		final CompletableFuture<Integer> g = new CompletableFuture<>();
2352	<	final IncAction r = new IncAction();
2353	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2352	>	final FailingFunction[] rs = new FailingFunction[6];
2353	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2354
2355	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2356	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2357		f.complete(v1);
2358	<	checkCompletedNormally(h, null);
2359	<	assertEquals(r.value, inc(v1));
2360	<	g.complete(v2);
2361	<
2362	<	checkCompletedNormally(f, v1);
2363	<	checkCompletedNormally(g, v2);
2364	<	checkCompletedNormally(h, null);
2181	<	}
2182	<	}
2358	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2359	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2360	>	checkCompletedWithWrappedCFException(h0);
2361	>	checkCompletedWithWrappedCFException(h1);
2362	>	checkCompletedWithWrappedCFException(h2);
2363	>	checkCompletedWithWrappedCFException(h3);
2364	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2365
2366	<	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 }) {
2366	>	g.complete(v2);
2367
2368	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2369	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2370	<	final IncAction r = new IncAction();
2192	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2368	>	// unspecified behavior - both source completions available
2369	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2370	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2371
2372	<	g.complete(v2);
2373	<	checkCompletedNormally(h, null);
2374	<	assertEquals(r.value, inc(v2));
2375	<	f.complete(v1);
2372	>	checkCompletedWithWrappedCFException(h4);
2373	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2374	>	Objects.equals(v2, rs[4].value));
2375	>	checkCompletedWithWrappedCFException(h5);
2376	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2377	>	Objects.equals(v2, rs[5].value));
2378
2379		checkCompletedNormally(f, v1);
2380		checkCompletedNormally(g, v2);
2381	<	checkCompletedNormally(h, null);
2382	<	}
2383	<	}
2384	<	public void testAcceptEither_normalCompletion3() {
2381	>	}}
2382	>
2383	>	/**
2384	>	* acceptEither result completes normally after normal completion
2385	>	* of either source
2386	>	*/
2387	>	public void testAcceptEither_normalCompletion() {
2388		for (ExecutionMode m : ExecutionMode.values())
2389		for (Integer v1 : new Integer[] { 1, null })
2390	<	for (Integer v2 : new Integer[] { 2, null }) {
2391	<
2390	>	for (Integer v2 : new Integer[] { 2, null })
2391	>	{
2392		final CompletableFuture<Integer> f = new CompletableFuture<>();
2393		final CompletableFuture<Integer> g = new CompletableFuture<>();
2394	<	final IncAction r = new IncAction();
2395	<
2396	<	f.complete(v1);
2397	<	g.complete(v2);
2398	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2394	>	final NoopConsumer[] rs = new NoopConsumer[6];
2395	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2396	>
2397	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2398	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2399	>	checkIncomplete(h0);
2400	>	checkIncomplete(h1);
2401	>	rs[0].assertNotInvoked();
2402	>	rs[1].assertNotInvoked();
2403	>	f.complete(v1);
2404	>	checkCompletedNormally(h0, null);
2405	>	checkCompletedNormally(h1, null);
2406	>	rs[0].assertValue(v1);
2407	>	rs[1].assertValue(v1);
2408	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2409	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2410	>	checkCompletedNormally(h2, null);
2411	>	checkCompletedNormally(h3, null);
2412	>	rs[2].assertValue(v1);
2413	>	rs[3].assertValue(v1);
2414	>	g.complete(v2);
2415	>
2416	>	// unspecified behavior - both source completions available
2417	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2418	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2419	>	checkCompletedNormally(h4, null);
2420	>	checkCompletedNormally(h5, null);
2421	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2422	>	Objects.equals(v2, rs[4].value));
2423	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2424	>	Objects.equals(v2, rs[5].value));
2425
2217	–	checkCompletedNormally(h, null);
2426		checkCompletedNormally(f, v1);
2427		checkCompletedNormally(g, v2);
2428	<
2429	<	// unspecified behavior
2430	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2431	<	Objects.equals(r.value, inc(v2)));
2432	<	}
2433	<	}
2428	>	checkCompletedNormally(h0, null);
2429	>	checkCompletedNormally(h1, null);
2430	>	checkCompletedNormally(h2, null);
2431	>	checkCompletedNormally(h3, null);
2432	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2433	>	}}
2434
2435		/**
2436		* acceptEither result completes exceptionally after exceptional
2437		* completion of either source
2438		*/
2439	<	public void testAcceptEither_exceptionalCompletion1() {
2439	>	public void testAcceptEither_exceptionalCompletion() {
2440		for (ExecutionMode m : ExecutionMode.values())
2441	<	for (Integer v1 : new Integer[] { 1, null }) {
2442	<
2441	>	for (Integer v1 : new Integer[] { 1, null })
2442	>	{
2443		final CompletableFuture<Integer> f = new CompletableFuture<>();
2444		final CompletableFuture<Integer> g = new CompletableFuture<>();
2237	–	final IncAction r = new IncAction();
2238	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2445		final CFException ex = new CFException();
2446	+	final NoopConsumer[] rs = new NoopConsumer[6];
2447	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2448
2449	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2450	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2451	+	checkIncomplete(h0);
2452	+	checkIncomplete(h1);
2453	+	rs[0].assertNotInvoked();
2454	+	rs[1].assertNotInvoked();
2455		f.completeExceptionally(ex);
2456	<	checkCompletedWithWrappedCFException(h, ex);
2457	<	g.complete(v1);
2458	<
2459	<	assertEquals(r.invocationCount, 0);
2460	<	checkCompletedNormally(g, v1);
2461	<	checkCompletedWithWrappedCFException(f, ex);
2248	<	checkCompletedWithWrappedCFException(h, ex);
2249	<	}
2250	<	}
2456	>	checkCompletedWithWrappedException(h0, ex);
2457	>	checkCompletedWithWrappedException(h1, ex);
2458	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2459	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2460	>	checkCompletedWithWrappedException(h2, ex);
2461	>	checkCompletedWithWrappedException(h3, ex);
2462
2463	<	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();
2261	<
2262	<	g.completeExceptionally(ex);
2263	<	checkCompletedWithWrappedCFException(h, ex);
2264	<	f.complete(v1);
2463	>	g.complete(v1);
2464
2465	<	assertEquals(r.invocationCount, 0);
2466	<	checkCompletedNormally(f, v1);
2467	<	checkCompletedWithWrappedCFException(g, ex);
2468	<	checkCompletedWithWrappedCFException(h, ex);
2465	>	// unspecified behavior - both source completions available
2466	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2467	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2468	>	try {
2469	>	assertNull(h4.join());
2470	>	rs[4].assertValue(v1);
2471	>	} catch (CompletionException ok) {
2472	>	checkCompletedWithWrappedException(h4, ex);
2473	>	rs[4].assertNotInvoked();
2474		}
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;
2475		try {
2476	<	assertEquals(h.join(), null);
2477	<	assertEquals(r.invocationCount, 1);
2291	<	assertEquals(inc(v1), r.value);
2476	>	assertNull(h5.join());
2477	>	rs[5].assertValue(v1);
2478		} catch (CompletionException ok) {
2479	<	checkCompletedWithWrappedCFException(h, ex);
2480	<	assertEquals(r.invocationCount, 0);
2479	>	checkCompletedWithWrappedException(h5, ex);
2480	>	rs[5].assertNotInvoked();
2481		}
2482
2483	<	checkCompletedWithWrappedCFException(g, ex);
2484	<	checkCompletedNormally(f, v1);
2485	<	}
2486	<	}
2483	>	checkCompletedExceptionally(f, ex);
2484	>	checkCompletedNormally(g, v1);
2485	>	checkCompletedWithWrappedException(h0, ex);
2486	>	checkCompletedWithWrappedException(h1, ex);
2487	>	checkCompletedWithWrappedException(h2, ex);
2488	>	checkCompletedWithWrappedException(h3, ex);
2489	>	checkCompletedWithWrappedException(h4, ex);
2490	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2491	>	}}
2492
2493	<	public void testAcceptEither_exceptionalCompletion4() {
2493	>	public void testAcceptEither_exceptionalCompletion2() {
2494		for (ExecutionMode m : ExecutionMode.values())
2495	<	for (Integer v1 : new Integer[] { 1, null }) {
2496	<
2495	>	for (boolean fFirst : new boolean[] { true, false })
2496	>	for (Integer v1 : new Integer[] { 1, null })
2497	>	{
2498		final CompletableFuture<Integer> f = new CompletableFuture<>();
2499		final CompletableFuture<Integer> g = new CompletableFuture<>();
2308	–	final IncAction r = new IncAction();
2500		final CFException ex = new CFException();
2501	+	final NoopConsumer[] rs = new NoopConsumer[6];
2502	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2503
2504	<	f.completeExceptionally(ex);
2505	<	g.complete(v1);
2506	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2504	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2505	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2506	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2507	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2508	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2509	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2510
2511	<	// unspecified behavior
2316	<	Integer v;
2511	>	// unspecified behavior - both source completions available
2512		try {
2513	<	assertEquals(h.join(), null);
2514	<	assertEquals(r.invocationCount, 1);
2320	<	assertEquals(inc(v1), r.value);
2513	>	assertEquals(null, h0.join());
2514	>	rs[0].assertValue(v1);
2515		} catch (CompletionException ok) {
2516	<	checkCompletedWithWrappedCFException(h, ex);
2517	<	assertEquals(r.invocationCount, 0);
2516	>	checkCompletedWithWrappedException(h0, ex);
2517	>	rs[0].assertNotInvoked();
2518		}
2519	<
2520	<	checkCompletedWithWrappedCFException(f, ex);
2521	<	checkCompletedNormally(g, v1);
2519	>	try {
2520	>	assertEquals(null, h1.join());
2521	>	rs[1].assertValue(v1);
2522	>	} catch (CompletionException ok) {
2523	>	checkCompletedWithWrappedException(h1, ex);
2524	>	rs[1].assertNotInvoked();
2525		}
2526	<	}
2527	<
2528	<	/**
2529	<	* acceptEither result completes exceptionally if action does
2530	<	*/
2531	<	public void testAcceptEither_actionFailed1() {
2532	<	for (ExecutionMode m : ExecutionMode.values())
2533	<	for (Integer v1 : new Integer[] { 1, null })
2534	<	for (Integer v2 : new Integer[] { 2, null }) {
2535	<
2536	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2537	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2538	<	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);
2526	>	try {
2527	>	assertEquals(null, h2.join());
2528	>	rs[2].assertValue(v1);
2529	>	} catch (CompletionException ok) {
2530	>	checkCompletedWithWrappedException(h2, ex);
2531	>	rs[2].assertNotInvoked();
2532	>	}
2533	>	try {
2534	>	assertEquals(null, h3.join());
2535	>	rs[3].assertValue(v1);
2536	>	} catch (CompletionException ok) {
2537	>	checkCompletedWithWrappedException(h3, ex);
2538	>	rs[3].assertNotInvoked();
2539		}
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);
2540
2362	–	g.complete(v2);
2363	–	checkCompletedWithWrappedCFException(h);
2364	–	f.complete(v1);
2541		checkCompletedNormally(f, v1);
2542	<	checkCompletedNormally(g, v2);
2543	<	}
2368	<	}
2542	>	checkCompletedExceptionally(g, ex);
2543	>	}}
2544
2545		/**
2546		* acceptEither result completes exceptionally if either source cancelled
2547		*/
2548	<	public void testAcceptEither_sourceCancelled1() {
2374	<	for (ExecutionMode m : ExecutionMode.values())
2375	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2376	<	for (Integer v1 : new Integer[] { 1, null }) {
2377	<
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() {
2548	>	public void testAcceptEither_sourceCancelled() {
2549		for (ExecutionMode m : ExecutionMode.values())
2550		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2551	<	for (Integer v1 : new Integer[] { 1, null }) {
2552	<
2551	>	for (Integer v1 : new Integer[] { 1, null })
2552	>	{
2553		final CompletableFuture<Integer> f = new CompletableFuture<>();
2554		final CompletableFuture<Integer> g = new CompletableFuture<>();
2555	<	final IncAction r = new IncAction();
2556	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2555	>	final NoopConsumer[] rs = new NoopConsumer[6];
2556	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2557
2558	<	assertTrue(g.cancel(mayInterruptIfRunning));
2559	<	checkCompletedWithWrappedCancellationException(h);
2560	<	f.complete(v1);
2561	<
2562	<	checkCancelled(g);
2563	<	assertEquals(r.invocationCount, 0);
2564	<	checkCompletedNormally(f, v1);
2565	<	checkCompletedWithWrappedCancellationException(h);
2566	<	}
2567	<	}
2558	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2559	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2560	>	checkIncomplete(h0);
2561	>	checkIncomplete(h1);
2562	>	rs[0].assertNotInvoked();
2563	>	rs[1].assertNotInvoked();
2564	>	f.cancel(mayInterruptIfRunning);
2565	>	checkCompletedWithWrappedCancellationException(h0);
2566	>	checkCompletedWithWrappedCancellationException(h1);
2567	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2568	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2569	>	checkCompletedWithWrappedCancellationException(h2);
2570	>	checkCompletedWithWrappedCancellationException(h3);
2571
2572	<	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);
2572	>	g.complete(v1);
2573
2574	<	// unspecified behavior
2575	<	Integer v;
2574	>	// unspecified behavior - both source completions available
2575	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2576	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2577		try {
2578	<	assertEquals(h.join(), null);
2579	<	assertEquals(r.invocationCount, 1);
2433	<	assertEquals(inc(v1), r.value);
2578	>	assertNull(h4.join());
2579	>	rs[4].assertValue(v1);
2580		} catch (CompletionException ok) {
2581	<	checkCompletedWithWrappedCancellationException(h);
2582	<	assertEquals(r.invocationCount, 0);
2437	<	}
2438	<
2439	<	checkCancelled(g);
2440	<	checkCompletedNormally(f, v1);
2581	>	checkCompletedWithWrappedCancellationException(h4);
2582	>	rs[4].assertNotInvoked();
2583		}
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;
2584		try {
2585	<	assertEquals(h.join(), null);
2586	<	assertEquals(r.invocationCount, 1);
2462	<	assertEquals(inc(v1), r.value);
2585	>	assertNull(h5.join());
2586	>	rs[5].assertValue(v1);
2587		} catch (CompletionException ok) {
2588	<	checkCompletedWithWrappedCancellationException(h);
2589	<	assertEquals(r.invocationCount, 0);
2588	>	checkCompletedWithWrappedCancellationException(h5);
2589	>	rs[5].assertNotInvoked();
2590		}
2591
2592		checkCancelled(f);
2593		checkCompletedNormally(g, v1);
2594	<	}
2595	<	}
2594	>	checkCompletedWithWrappedCancellationException(h0);
2595	>	checkCompletedWithWrappedCancellationException(h1);
2596	>	checkCompletedWithWrappedCancellationException(h2);
2597	>	checkCompletedWithWrappedCancellationException(h3);
2598	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2599	>	}}
2600
2601		/**
2602	<	* runAfterEither result completes normally after normal completion
2475	<	* of either source
2602	>	* acceptEither result completes exceptionally if action does
2603		*/
2604	<	public void testRunAfterEither_normalCompletion1() {
2604	>	public void testAcceptEither_actionFailed() {
2605		for (ExecutionMode m : ExecutionMode.values())
2606		for (Integer v1 : new Integer[] { 1, null })
2607	<	for (Integer v2 : new Integer[] { 2, null }) {
2608	<
2607	>	for (Integer v2 : new Integer[] { 2, null })
2608	>	{
2609		final CompletableFuture<Integer> f = new CompletableFuture<>();
2610		final CompletableFuture<Integer> g = new CompletableFuture<>();
2611	<	final Noop r = new Noop();
2612	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2611	>	final FailingConsumer[] rs = new FailingConsumer[6];
2612	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2613
2614	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2615	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2616		f.complete(v1);
2617	<	checkCompletedNormally(h, null);
2618	<	assertEquals(r.invocationCount, 1);
2619	<	g.complete(v2);
2617	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2618	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2619	>	checkCompletedWithWrappedCFException(h0);
2620	>	checkCompletedWithWrappedCFException(h1);
2621	>	checkCompletedWithWrappedCFException(h2);
2622	>	checkCompletedWithWrappedCFException(h3);
2623	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2624
2625	<	checkCompletedNormally(f, v1);
2493	<	checkCompletedNormally(g, v2);
2494	<	checkCompletedNormally(h, null);
2495	<	assertEquals(r.invocationCount, 1);
2496	<	}
2497	<	}
2498	<
2499	<	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 }) {
2625	>	g.complete(v2);
2626
2627	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2628	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2629	<	final Noop r = new Noop();
2507	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2627	>	// unspecified behavior - both source completions available
2628	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2629	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2630
2631	<	g.complete(v2);
2632	<	checkCompletedNormally(h, null);
2633	<	assertEquals(r.invocationCount, 1);
2634	<	f.complete(v1);
2631	>	checkCompletedWithWrappedCFException(h4);
2632	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2633	>	Objects.equals(v2, rs[4].value));
2634	>	checkCompletedWithWrappedCFException(h5);
2635	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2636	>	Objects.equals(v2, rs[5].value));
2637
2638		checkCompletedNormally(f, v1);
2639		checkCompletedNormally(g, v2);
2640	<	checkCompletedNormally(h, null);
2641	<	assertEquals(r.invocationCount, 1);
2642	<	}
2643	<	}
2644	<	public void testRunAfterEither_normalCompletion3() {
2640	>	}}
2641	>
2642	>	/**
2643	>	* runAfterEither result completes normally after normal completion
2644	>	* of either source
2645	>	*/
2646	>	public void testRunAfterEither_normalCompletion() {
2647		for (ExecutionMode m : ExecutionMode.values())
2648		for (Integer v1 : new Integer[] { 1, null })
2649	<	for (Integer v2 : new Integer[] { 2, null }) {
2650	<
2649	>	for (Integer v2 : new Integer[] { 2, null })
2650	>	{
2651		final CompletableFuture<Integer> f = new CompletableFuture<>();
2652		final CompletableFuture<Integer> g = new CompletableFuture<>();
2653	<	final Noop r = new Noop();
2653	>	final Noop[] rs = new Noop[6];
2654	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2655
2656	+	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2657	+	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2658	+	checkIncomplete(h0);
2659	+	checkIncomplete(h1);
2660	+	rs[0].assertNotInvoked();
2661	+	rs[1].assertNotInvoked();
2662		f.complete(v1);
2663	+	checkCompletedNormally(h0, null);
2664	+	checkCompletedNormally(h1, null);
2665	+	rs[0].assertInvoked();
2666	+	rs[1].assertInvoked();
2667	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2668	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2669	+	checkCompletedNormally(h2, null);
2670	+	checkCompletedNormally(h3, null);
2671	+	rs[2].assertInvoked();
2672	+	rs[3].assertInvoked();
2673	+
2674		g.complete(v2);
2531	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2675
2676	<	checkCompletedNormally(h, null);
2676	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2677	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2678	>
2679		checkCompletedNormally(f, v1);
2680		checkCompletedNormally(g, v2);
2681	<	assertEquals(r.invocationCount, 1);
2682	<	}
2683	<	}
2681	>	checkCompletedNormally(h0, null);
2682	>	checkCompletedNormally(h1, null);
2683	>	checkCompletedNormally(h2, null);
2684	>	checkCompletedNormally(h3, null);
2685	>	checkCompletedNormally(h4, null);
2686	>	checkCompletedNormally(h5, null);
2687	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2688	>	}}
2689
2690		/**
2691		* runAfterEither result completes exceptionally after exceptional
2692		* completion of either source
2693		*/
2694	<	public void testRunAfterEither_exceptionalCompletion1() {
2694	>	public void testRunAfterEither_exceptionalCompletion() {
2695		for (ExecutionMode m : ExecutionMode.values())
2696	<	for (Integer v1 : new Integer[] { 1, null }) {
2697	<
2696	>	for (Integer v1 : new Integer[] { 1, null })
2697	>	{
2698		final CompletableFuture<Integer> f = new CompletableFuture<>();
2699		final CompletableFuture<Integer> g = new CompletableFuture<>();
2550	–	final Noop r = new Noop();
2551	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2700		final CFException ex = new CFException();
2701	+	final Noop[] rs = new Noop[6];
2702	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2703
2704	<	f.completeExceptionally(ex);
2705	<	checkCompletedWithWrappedCFException(h, ex);
2706	<	g.complete(v1);
2704	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2705	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2706	>	checkIncomplete(h0);
2707	>	checkIncomplete(h1);
2708	>	rs[0].assertNotInvoked();
2709	>	rs[1].assertNotInvoked();
2710	>	assertTrue(f.completeExceptionally(ex));
2711	>	checkCompletedWithWrappedException(h0, ex);
2712	>	checkCompletedWithWrappedException(h1, ex);
2713	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2714	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2715	>	checkCompletedWithWrappedException(h2, ex);
2716	>	checkCompletedWithWrappedException(h3, ex);
2717
2718	<	assertEquals(r.invocationCount, 0);
2559	<	checkCompletedNormally(g, v1);
2560	<	checkCompletedWithWrappedCFException(f, ex);
2561	<	checkCompletedWithWrappedCFException(h, ex);
2562	<	}
2563	<	}
2718	>	assertTrue(g.complete(v1));
2719
2720	<	public void testRunAfterEither_exceptionalCompletion2() {
2721	<	for (ExecutionMode m : ExecutionMode.values())
2722	<	for (Integer v1 : new Integer[] { 1, null }) {
2723	<
2724	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2725	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2726	<	final Noop r = new Noop();
2727	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2728	<	final CFException ex = new CFException();
2574	<
2575	<	g.completeExceptionally(ex);
2576	<	checkCompletedWithWrappedCFException(h, ex);
2577	<	f.complete(v1);
2578	<
2579	<	assertEquals(r.invocationCount, 0);
2580	<	checkCompletedNormally(f, v1);
2581	<	checkCompletedWithWrappedCFException(g, ex);
2582	<	checkCompletedWithWrappedCFException(h, ex);
2720	>	// unspecified behavior - both source completions available
2721	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2722	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2723	>	try {
2724	>	assertNull(h4.join());
2725	>	rs[4].assertInvoked();
2726	>	} catch (CompletionException ok) {
2727	>	checkCompletedWithWrappedException(h4, ex);
2728	>	rs[4].assertNotInvoked();
2729		}
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;
2730		try {
2731	<	assertEquals(h.join(), null);
2732	<	assertEquals(r.invocationCount, 1);
2731	>	assertNull(h5.join());
2732	>	rs[5].assertInvoked();
2733		} catch (CompletionException ok) {
2734	<	checkCompletedWithWrappedCFException(h, ex);
2735	<	assertEquals(r.invocationCount, 0);
2734	>	checkCompletedWithWrappedException(h5, ex);
2735	>	rs[5].assertNotInvoked();
2736		}
2737
2738	<	checkCompletedWithWrappedCFException(g, ex);
2739	<	checkCompletedNormally(f, v1);
2740	<	}
2741	<	}
2738	>	checkCompletedExceptionally(f, ex);
2739	>	checkCompletedNormally(g, v1);
2740	>	checkCompletedWithWrappedException(h0, ex);
2741	>	checkCompletedWithWrappedException(h1, ex);
2742	>	checkCompletedWithWrappedException(h2, ex);
2743	>	checkCompletedWithWrappedException(h3, ex);
2744	>	checkCompletedWithWrappedException(h4, ex);
2745	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2746	>	}}
2747
2748	<	public void testRunAfterEither_exceptionalCompletion4() {
2748	>	public void testRunAfterEither_exceptionalCompletion2() {
2749		for (ExecutionMode m : ExecutionMode.values())
2750	<	for (Integer v1 : new Integer[] { 1, null }) {
2751	<
2750	>	for (boolean fFirst : new boolean[] { true, false })
2751	>	for (Integer v1 : new Integer[] { 1, null })
2752	>	{
2753		final CompletableFuture<Integer> f = new CompletableFuture<>();
2754		final CompletableFuture<Integer> g = new CompletableFuture<>();
2620	–	final Noop r = new Noop();
2755		final CFException ex = new CFException();
2756	+	final Noop[] rs = new Noop[6];
2757	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2758
2759	<	f.completeExceptionally(ex);
2760	<	g.complete(v1);
2761	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2759	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2760	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2761	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2762	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2763	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2764	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2765
2766	<	// unspecified behavior
2628	<	Integer v;
2766	>	// unspecified behavior - both source completions available
2767		try {
2768	<	assertEquals(h.join(), null);
2769	<	assertEquals(r.invocationCount, 1);
2768	>	assertEquals(null, h0.join());
2769	>	rs[0].assertInvoked();
2770		} catch (CompletionException ok) {
2771	<	checkCompletedWithWrappedCFException(h, ex);
2772	<	assertEquals(r.invocationCount, 0);
2771	>	checkCompletedWithWrappedException(h0, ex);
2772	>	rs[0].assertNotInvoked();
2773		}
2774	<
2775	<	checkCompletedWithWrappedCFException(f, ex);
2776	<	checkCompletedNormally(g, v1);
2774	>	try {
2775	>	assertEquals(null, h1.join());
2776	>	rs[1].assertInvoked();
2777	>	} catch (CompletionException ok) {
2778	>	checkCompletedWithWrappedException(h1, ex);
2779	>	rs[1].assertNotInvoked();
2780		}
2781	<	}
2782	<
2783	<	/**
2784	<	* runAfterEither result completes exceptionally if action does
2785	<	*/
2786	<	public void testRunAfterEither_actionFailed1() {
2787	<	for (ExecutionMode m : ExecutionMode.values())
2788	<	for (Integer v1 : new Integer[] { 1, null })
2789	<	for (Integer v2 : new Integer[] { 2, null }) {
2790	<
2791	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2792	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2793	<	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);
2781	>	try {
2782	>	assertEquals(null, h2.join());
2783	>	rs[2].assertInvoked();
2784	>	} catch (CompletionException ok) {
2785	>	checkCompletedWithWrappedException(h2, ex);
2786	>	rs[2].assertNotInvoked();
2787	>	}
2788	>	try {
2789	>	assertEquals(null, h3.join());
2790	>	rs[3].assertInvoked();
2791	>	} catch (CompletionException ok) {
2792	>	checkCompletedWithWrappedException(h3, ex);
2793	>	rs[3].assertNotInvoked();
2794		}
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);
2795
2673	–	g.complete(v2);
2674	–	checkCompletedWithWrappedCFException(h);
2675	–	f.complete(v1);
2796		checkCompletedNormally(f, v1);
2797	<	checkCompletedNormally(g, v2);
2798	<	}
2679	<	}
2797	>	checkCompletedExceptionally(g, ex);
2798	>	}}
2799
2800		/**
2801		* runAfterEither result completes exceptionally if either source cancelled
2802		*/
2803	<	public void testRunAfterEither_sourceCancelled1() {
2803	>	public void testRunAfterEither_sourceCancelled() {
2804		for (ExecutionMode m : ExecutionMode.values())
2805		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2806	<	for (Integer v1 : new Integer[] { 1, null }) {
2807	<
2806	>	for (Integer v1 : new Integer[] { 1, null })
2807	>	{
2808		final CompletableFuture<Integer> f = new CompletableFuture<>();
2809		final CompletableFuture<Integer> g = new CompletableFuture<>();
2810	<	final Noop r = new Noop();
2811	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2693	<
2694	<	assertTrue(f.cancel(mayInterruptIfRunning));
2695	<	checkCompletedWithWrappedCancellationException(h);
2696	<	g.complete(v1);
2697	<
2698	<	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 }) {
2810	>	final Noop[] rs = new Noop[6];
2811	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2812
2813	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2814	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2815	<	final Noop r = new Noop();
2816	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2813	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2814	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2815	>	checkIncomplete(h0);
2816	>	checkIncomplete(h1);
2817	>	rs[0].assertNotInvoked();
2818	>	rs[1].assertNotInvoked();
2819	>	f.cancel(mayInterruptIfRunning);
2820	>	checkCompletedWithWrappedCancellationException(h0);
2821	>	checkCompletedWithWrappedCancellationException(h1);
2822	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2823	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2824	>	checkCompletedWithWrappedCancellationException(h2);
2825	>	checkCompletedWithWrappedCancellationException(h3);
2826
2827	<	assertTrue(g.cancel(mayInterruptIfRunning));
2716	<	checkCompletedWithWrappedCancellationException(h);
2717	<	f.complete(v1);
2827	>	assertTrue(g.complete(v1));
2828
2829	<	checkCancelled(g);
2830	<	assertEquals(r.invocationCount, 0);
2831	<	checkCompletedNormally(f, v1);
2832	<	checkCompletedWithWrappedCancellationException(h);
2829	>	// unspecified behavior - both source completions available
2830	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2831	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2832	>	try {
2833	>	assertNull(h4.join());
2834	>	rs[4].assertInvoked();
2835	>	} catch (CompletionException ok) {
2836	>	checkCompletedWithWrappedCancellationException(h4);
2837	>	rs[4].assertNotInvoked();
2838		}
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;
2839		try {
2840	<	assertEquals(h.join(), null);
2841	<	assertEquals(r.invocationCount, 1);
2840	>	assertNull(h5.join());
2841	>	rs[5].assertInvoked();
2842		} catch (CompletionException ok) {
2843	<	checkCompletedWithWrappedCancellationException(h);
2844	<	assertEquals(r.invocationCount, 0);
2843	>	checkCompletedWithWrappedCancellationException(h5);
2844	>	rs[5].assertNotInvoked();
2845		}
2846
2847	<	checkCancelled(g);
2848	<	checkCompletedNormally(f, v1);
2849	<	}
2850	<	}
2847	>	checkCancelled(f);
2848	>	checkCompletedNormally(g, v1);
2849	>	checkCompletedWithWrappedCancellationException(h0);
2850	>	checkCompletedWithWrappedCancellationException(h1);
2851	>	checkCompletedWithWrappedCancellationException(h2);
2852	>	checkCompletedWithWrappedCancellationException(h3);
2853	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2854	>	}}
2855
2856	<	public void testRunAfterEither_sourceCancelled4() {
2856	>	/**
2857	>	* runAfterEither result completes exceptionally if action does
2858	>	*/
2859	>	public void testRunAfterEither_actionFailed() {
2860		for (ExecutionMode m : ExecutionMode.values())
2861	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2862	<	for (Integer v1 : new Integer[] { 1, null }) {
2863	<
2861	>	for (Integer v1 : new Integer[] { 1, null })
2862	>	for (Integer v2 : new Integer[] { 2, null })
2863	>	{
2864		final CompletableFuture<Integer> f = new CompletableFuture<>();
2865		final CompletableFuture<Integer> g = new CompletableFuture<>();
2866	<	final Noop r = new Noop();
2867	<
2763	<	assertTrue(f.cancel(mayInterruptIfRunning));
2764	<	g.complete(v1);
2765	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2866	>	final FailingRunnable[] rs = new FailingRunnable[6];
2867	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2868
2869	<	// unspecified behavior
2870	<	Integer v;
2871	<	try {
2872	<	assertEquals(h.join(), null);
2873	<	assertEquals(r.invocationCount, 1);
2874	<	} catch (CompletionException ok) {
2875	<	checkCompletedWithWrappedCancellationException(h);
2876	<	assertEquals(r.invocationCount, 0);
2877	<	}
2869	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2870	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2871	>	assertTrue(f.complete(v1));
2872	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2873	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2874	>	checkCompletedWithWrappedCFException(h0);
2875	>	checkCompletedWithWrappedCFException(h1);
2876	>	checkCompletedWithWrappedCFException(h2);
2877	>	checkCompletedWithWrappedCFException(h3);
2878	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2879	>	assertTrue(g.complete(v2));
2880	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2881	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2882	>	checkCompletedWithWrappedCFException(h4);
2883	>	checkCompletedWithWrappedCFException(h5);
2884
2885	<	checkCancelled(f);
2886	<	checkCompletedNormally(g, v1);
2887	<	}
2888	<	}
2885	>	checkCompletedNormally(f, v1);
2886	>	checkCompletedNormally(g, v2);
2887	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2888	>	}}
2889
2890		/**
2891		* thenCompose result completes normally after normal completion of source
2892		*/
2893	<	public void testThenCompose() {
2894	<	CompletableFuture<Integer> f, g;
2895	<	CompletableFutureInc r;
2896	<
2897	<	f = new CompletableFuture<>();
2898	<	g = f.thenCompose(r = new CompletableFutureInc());
2899	<	f.complete(one);
2900	<	checkCompletedNormally(g, two);
2901	<	assertTrue(r.ran);
2893	>	public void testThenCompose_normalCompletion() {
2894	>	for (ExecutionMode m : ExecutionMode.values())
2895	>	for (boolean createIncomplete : new boolean[] { true, false })
2896	>	for (Integer v1 : new Integer[] { 1, null })
2897	>	{
2898	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2899	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2900	>	if (!createIncomplete) assertTrue(f.complete(v1));
2901	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2902	>	if (createIncomplete) assertTrue(f.complete(v1));
2903
2904	<	f = new CompletableFuture<>();
2905	<	f.complete(one);
2906	<	g = f.thenCompose(r = new CompletableFutureInc());
2907	<	checkCompletedNormally(g, two);
2799	<	assertTrue(r.ran);
2800	<	}
2904	>	checkCompletedNormally(g, inc(v1));
2905	>	checkCompletedNormally(f, v1);
2906	>	r.assertValue(v1);
2907	>	}}
2908
2909		/**
2910		* thenCompose result completes exceptionally after exceptional
2911		* completion of source
2912		*/
2913	<	public void testThenCompose2() {
2914	<	CompletableFuture<Integer> f, g;
2915	<	CompletableFutureInc r;
2916	<
2917	<	f = new CompletableFuture<>();
2918	<	g = f.thenCompose(r = new CompletableFutureInc());
2919	<	f.completeExceptionally(new CFException());
2920	<	checkCompletedWithWrappedCFException(g);
2913	>	public void testThenCompose_exceptionalCompletion() {
2914	>	for (ExecutionMode m : ExecutionMode.values())
2915	>	for (boolean createIncomplete : new boolean[] { true, false })
2916	>	{
2917	>	final CFException ex = new CFException();
2918	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2919	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2920	>	if (!createIncomplete) f.completeExceptionally(ex);
2921	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2922	>	if (createIncomplete) f.completeExceptionally(ex);
2923
2924	<	f = new CompletableFuture<>();
2925	<	f.completeExceptionally(new CFException());
2926	<	g = f.thenCompose(r = new CompletableFutureInc());
2927	<	checkCompletedWithWrappedCFException(g);
2819	<	}
2924	>	checkCompletedWithWrappedException(g, ex);
2925	>	checkCompletedExceptionally(f, ex);
2926	>	r.assertNotInvoked();
2927	>	}}
2928
2929		/**
2930		* thenCompose result completes exceptionally if action does
2931		*/
2932	<	public void testThenCompose3() {
2933	<	CompletableFuture<Integer> f, g;
2934	<	FailingCompletableFutureFunction r;
2935	<
2936	<	f = new CompletableFuture<>();
2937	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2938	<	f.complete(one);
2939	<	checkCompletedWithWrappedCFException(g);
2932	>	public void testThenCompose_actionFailed() {
2933	>	for (ExecutionMode m : ExecutionMode.values())
2934	>	for (boolean createIncomplete : new boolean[] { true, false })
2935	>	for (Integer v1 : new Integer[] { 1, null })
2936	>	{
2937	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2938	>	final FailingCompletableFutureFunction r
2939	>	= new FailingCompletableFutureFunction(m);
2940	>	if (!createIncomplete) assertTrue(f.complete(v1));
2941	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2942	>	if (createIncomplete) assertTrue(f.complete(v1));
2943
2833	–	f = new CompletableFuture<>();
2834	–	f.complete(one);
2835	–	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2944		checkCompletedWithWrappedCFException(g);
2945	<	}
2945	>	checkCompletedNormally(f, v1);
2946	>	}}
2947
2948		/**
2949		* thenCompose result completes exceptionally if source cancelled
2950		*/
2951	<	public void testThenCompose4() {
2952	<	CompletableFuture<Integer> f, g;
2953	<	CompletableFutureInc r;
2954	<
2955	<	f = new CompletableFuture<>();
2956	<	g = f.thenCompose(r = new CompletableFutureInc());
2957	<	assertTrue(f.cancel(true));
2958	<	checkCompletedWithWrappedCancellationException(g);
2959	<
2960	<	f = new CompletableFuture<>();
2961	<	assertTrue(f.cancel(true));
2962	<	g = f.thenCompose(r = new CompletableFutureInc());
2963	<	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	<	}
2951	>	public void testThenCompose_sourceCancelled() {
2952	>	for (ExecutionMode m : ExecutionMode.values())
2953	>	for (boolean createIncomplete : new boolean[] { true, false })
2954	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2955	>	{
2956	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2957	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2958	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2959	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2960	>	if (createIncomplete) {
2961	>	checkIncomplete(g);
2962	>	assertTrue(f.cancel(mayInterruptIfRunning));
2963	>	}
2964
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));
2965		checkCompletedWithWrappedCancellationException(g);
2966	<	}
2967	<
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	<	}
2966	>	checkCancelled(f);
2967	>	}}
2968
2969		/**
2970	<	* thenComposeAsync result completes exceptionally if action does
2970	>	* thenCompose result completes exceptionally if the result of the action does
2971		*/
2972	<	public void testThenComposeAsync3E() {
2973	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2974	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2975	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2976	<	f.complete(one);
2977	<	checkCompletedWithWrappedCFException(g);
2978	<	}
2972	>	public void testThenCompose_actionReturnsFailingFuture() {
2973	>	for (ExecutionMode m : ExecutionMode.values())
2974	>	for (int order = 0; order < 6; order++)
2975	>	for (Integer v1 : new Integer[] { 1, null })
2976	>	{
2977	>	final CFException ex = new CFException();
2978	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2979	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2980	>	final CompletableFuture<Integer> h;
2981	>	// Test all permutations of orders
2982	>	switch (order) {
2983	>	case 0:
2984	>	assertTrue(f.complete(v1));
2985	>	assertTrue(g.completeExceptionally(ex));
2986	>	h = m.thenCompose(f, (x -> g));
2987	>	break;
2988	>	case 1:
2989	>	assertTrue(f.complete(v1));
2990	>	h = m.thenCompose(f, (x -> g));
2991	>	assertTrue(g.completeExceptionally(ex));
2992	>	break;
2993	>	case 2:
2994	>	assertTrue(g.completeExceptionally(ex));
2995	>	assertTrue(f.complete(v1));
2996	>	h = m.thenCompose(f, (x -> g));
2997	>	break;
2998	>	case 3:
2999	>	assertTrue(g.completeExceptionally(ex));
3000	>	h = m.thenCompose(f, (x -> g));
3001	>	assertTrue(f.complete(v1));
3002	>	break;
3003	>	case 4:
3004	>	h = m.thenCompose(f, (x -> g));
3005	>	assertTrue(f.complete(v1));
3006	>	assertTrue(g.completeExceptionally(ex));
3007	>	break;
3008	>	case 5:
3009	>	h = m.thenCompose(f, (x -> g));
3010	>	assertTrue(f.complete(v1));
3011	>	assertTrue(g.completeExceptionally(ex));
3012	>	break;
3013	>	default: throw new AssertionError();
3014	>	}
3015
3016	<	/**
3017	<	* thenComposeAsync result completes exceptionally if source cancelled
3018	<	*/
3019	<	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	<	}
3016	>	checkCompletedExceptionally(g, ex);
3017	>	checkCompletedWithWrappedException(h, ex);
3018	>	checkCompletedNormally(f, v1);
3019	>	}}
3020
3021		// other static methods
3022
#	Line 3286 | Line 3034 | public class CompletableFutureTest exten
3034		* when all components complete normally
3035		*/
3036		public void testAllOf_normal() throws Exception {
3037	<	for (int k = 1; k < 20; ++k) {
3038	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3039	<	for (int i = 0; i < k; ++i)
3037	>	for (int k = 1; k < 10; k++) {
3038	>	CompletableFuture<Integer>[] fs
3039	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3040	>	for (int i = 0; i < k; i++)
3041	>	fs[i] = new CompletableFuture<>();
3042	>	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3043	>	for (int i = 0; i < k; i++) {
3044	>	checkIncomplete(f);
3045	>	checkIncomplete(CompletableFuture.allOf(fs));
3046	>	fs[i].complete(one);
3047	>	}
3048	>	checkCompletedNormally(f, null);
3049	>	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3050	>	}
3051	>	}
3052	>
3053	>	public void testAllOf_backwards() throws Exception {
3054	>	for (int k = 1; k < 10; k++) {
3055	>	CompletableFuture<Integer>[] fs
3056	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3057	>	for (int i = 0; i < k; i++)
3058		fs[i] = new CompletableFuture<>();
3059		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3060	<	for (int i = 0; i < k; ++i) {
3060	>	for (int i = k - 1; i >= 0; i--) {
3061		checkIncomplete(f);
3062		checkIncomplete(CompletableFuture.allOf(fs));
3063		fs[i].complete(one);
#	Line 3301 | Line 3067 | public class CompletableFutureTest exten
3067		}
3068		}
3069
3070	+	public void testAllOf_exceptional() throws Exception {
3071	+	for (int k = 1; k < 10; k++) {
3072	+	CompletableFuture<Integer>[] fs
3073	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3074	+	CFException ex = new CFException();
3075	+	for (int i = 0; i < k; i++)
3076	+	fs[i] = new CompletableFuture<>();
3077	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3078	+	for (int i = 0; i < k; i++) {
3079	+	checkIncomplete(f);
3080	+	checkIncomplete(CompletableFuture.allOf(fs));
3081	+	if (i != k / 2) {
3082	+	fs[i].complete(i);
3083	+	checkCompletedNormally(fs[i], i);
3084	+	} else {
3085	+	fs[i].completeExceptionally(ex);
3086	+	checkCompletedExceptionally(fs[i], ex);
3087	+	}
3088	+	}
3089	+	checkCompletedWithWrappedException(f, ex);
3090	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3091	+	}
3092	+	}
3093	+
3094		/**
3095		* anyOf(no component futures) returns an incomplete future
3096		*/
3097		public void testAnyOf_empty() throws Exception {
3098	+	for (Integer v1 : new Integer[] { 1, null })
3099	+	{
3100		CompletableFuture<Object> f = CompletableFuture.anyOf();
3101		checkIncomplete(f);
3102	<	}
3102	>
3103	>	f.complete(v1);
3104	>	checkCompletedNormally(f, v1);
3105	>	}}
3106
3107		/**
3108		* anyOf returns a future completed normally with a value when
3109		* a component future does
3110		*/
3111		public void testAnyOf_normal() throws Exception {
3112	<	for (int k = 0; k < 10; ++k) {
3112	>	for (int k = 0; k < 10; k++) {
3113		CompletableFuture[] fs = new CompletableFuture[k];
3114	<	for (int i = 0; i < k; ++i)
3114	>	for (int i = 0; i < k; i++)
3115		fs[i] = new CompletableFuture<>();
3116		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3117		checkIncomplete(f);
3118	<	for (int i = 0; i < k; ++i) {
3119	<	fs[i].complete(one);
3120	<	checkCompletedNormally(f, one);
3121	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3118	>	for (int i = 0; i < k; i++) {
3119	>	fs[i].complete(i);
3120	>	checkCompletedNormally(f, 0);
3121	>	int x = (int) CompletableFuture.anyOf(fs).join();
3122	>	assertTrue(0 <= x && x <= i);
3123	>	}
3124	>	}
3125	>	}
3126	>	public void testAnyOf_normal_backwards() throws Exception {
3127	>	for (int k = 0; k < 10; k++) {
3128	>	CompletableFuture[] fs = new CompletableFuture[k];
3129	>	for (int i = 0; i < k; i++)
3130	>	fs[i] = new CompletableFuture<>();
3131	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3132	>	checkIncomplete(f);
3133	>	for (int i = k - 1; i >= 0; i--) {
3134	>	fs[i].complete(i);
3135	>	checkCompletedNormally(f, k - 1);
3136	>	int x = (int) CompletableFuture.anyOf(fs).join();
3137	>	assertTrue(i <= x && x <= k - 1);
3138		}
3139		}
3140		}
#	Line 3332 | Line 3143 | public class CompletableFutureTest exten
3143		* anyOf result completes exceptionally when any component does.
3144		*/
3145		public void testAnyOf_exceptional() throws Exception {
3146	<	for (int k = 0; k < 10; ++k) {
3146	>	for (int k = 0; k < 10; k++) {
3147	>	CompletableFuture[] fs = new CompletableFuture[k];
3148	>	CFException[] exs = new CFException[k];
3149	>	for (int i = 0; i < k; i++) {
3150	>	fs[i] = new CompletableFuture<>();
3151	>	exs[i] = new CFException();
3152	>	}
3153	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3154	>	checkIncomplete(f);
3155	>	for (int i = 0; i < k; i++) {
3156	>	fs[i].completeExceptionally(exs[i]);
3157	>	checkCompletedWithWrappedException(f, exs[0]);
3158	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3159	>	}
3160	>	}
3161	>	}
3162	>
3163	>	public void testAnyOf_exceptional_backwards() throws Exception {
3164	>	for (int k = 0; k < 10; k++) {
3165		CompletableFuture[] fs = new CompletableFuture[k];
3166	<	for (int i = 0; i < k; ++i)
3166	>	CFException[] exs = new CFException[k];
3167	>	for (int i = 0; i < k; i++) {
3168		fs[i] = new CompletableFuture<>();
3169	+	exs[i] = new CFException();
3170	+	}
3171		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3172		checkIncomplete(f);
3173	<	for (int i = 0; i < k; ++i) {
3174	<	fs[i].completeExceptionally(new CFException());
3175	<	checkCompletedWithWrappedCFException(f);
3173	>	for (int i = k - 1; i >= 0; i--) {
3174	>	fs[i].completeExceptionally(exs[i]);
3175	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3176		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3177		}
3178		}
#	Line 3353 | Line 3185 | public class CompletableFutureTest exten
3185		CompletableFuture<Integer> f = new CompletableFuture<>();
3186		CompletableFuture<Integer> g = new CompletableFuture<>();
3187		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3356	–	CompletableFuture<?> h;
3188		ThreadExecutor exec = new ThreadExecutor();
3189
3190		Runnable[] throwingActions = {
3191		() -> CompletableFuture.supplyAsync(null),
3192		() -> CompletableFuture.supplyAsync(null, exec),
3193	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3193	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3194
3195		() -> CompletableFuture.runAsync(null),
3196		() -> CompletableFuture.runAsync(null, exec),
#	Line 3432 | Line 3263 | public class CompletableFutureTest exten
3263
3264		() -> f.thenCompose(null),
3265		() -> f.thenComposeAsync(null),
3266	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3266	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3267		() -> f.thenComposeAsync(null, exec),
3268
3269		() -> f.exceptionally(null),
#	Line 3450 | Line 3281 | public class CompletableFutureTest exten
3281		() -> CompletableFuture.anyOf(null, f),
3282
3283		() -> f.obtrudeException(null),
3284	+
3285	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3286	+	() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()),
3287	+	() -> CompletableFuture.delayedExecutor(1L, null),
3288	+
3289	+	() -> f.orTimeout(1L, null),
3290	+	() -> f.completeOnTimeout(42, 1L, null),
3291	+
3292	+	() -> CompletableFuture.failedFuture(null),
3293	+	() -> CompletableFuture.failedStage(null),
3294		};
3295
3296		assertThrows(NullPointerException.class, throwingActions);
#	Line 3464 | Line 3305 | public class CompletableFutureTest exten
3305		assertSame(f, f.toCompletableFuture());
3306		}
3307
3308	+	// jdk9
3309	+
3310		/**
3311	<	* whenComplete action executes on normal completion, propagating
3469	<	* source result.
3311	>	* newIncompleteFuture returns an incomplete CompletableFuture
3312		*/
3313	<	public void testWhenComplete_normalCompletion1() {
3314	<	for (ExecutionMode m : ExecutionMode.values())
3315	<	for (Integer v1 : new Integer[] { 1, null }) {
3316	<
3317	<	final AtomicInteger a = new AtomicInteger();
3318	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3319	<	final CompletableFuture<Integer> g =
3478	<	m.whenComplete(f,
3479	<	(Integer x, Throwable t) -> {
3480	<	threadAssertSame(x, v1);
3481	<	threadAssertNull(t);
3482	<	a.getAndIncrement();
3483	<	});
3313	>	public void testNewIncompleteFuture() {
3314	>	for (Integer v1 : new Integer[] { 1, null })
3315	>	{
3316	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3317	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3318	>	checkIncomplete(f);
3319	>	checkIncomplete(g);
3320		f.complete(v1);
3321		checkCompletedNormally(f, v1);
3322	+	checkIncomplete(g);
3323	+	g.complete(v1);
3324		checkCompletedNormally(g, v1);
3325	<	assertEquals(a.get(), 1);
3326	<	}
3325	>	assertSame(g.getClass(), CompletableFuture.class);
3326	>	}}
3327	>
3328	>	/**
3329	>	* completedStage returns a completed CompletionStage
3330	>	*/
3331	>	public void testCompletedStage() {
3332	>	AtomicInteger x = new AtomicInteger(0);
3333	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3334	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3335	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3336	>	assertEquals(x.get(), 1);
3337	>	assertNull(r.get());
3338		}
3339
3340		/**
3341	<	* whenComplete action executes on exceptional completion, propagating
3342	<	* source result.
3341	>	* defaultExecutor by default returns the commonPool if
3342	>	* it supports more than one thread.
3343		*/
3344	<	public void testWhenComplete_exceptionalCompletion() {
3345	<	for (ExecutionMode m : ExecutionMode.values())
3346	<	for (Integer v1 : new Integer[] { 1, null }) {
3344	>	public void testDefaultExecutor() {
3345	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3346	>	Executor e = f.defaultExecutor();
3347	>	Executor c = ForkJoinPool.commonPool();
3348	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3349	>	assertSame(e, c);
3350	>	else
3351	>	assertNotSame(e, c);
3352	>	}
3353
3354	<	final AtomicInteger a = new AtomicInteger();
3355	<	final CFException ex = new CFException();
3356	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3357	<	final CompletableFuture<Integer> g = m.whenComplete
3358	<	(f,
3359	<	(Integer x, Throwable t) -> {
3360	<	threadAssertNull(x);
3361	<	threadAssertSame(t, ex);
3362	<	a.getAndIncrement();
3363	<	});
3354	>	/**
3355	>	* failedFuture returns a CompletableFuture completed
3356	>	* exceptionally with the given Exception
3357	>	*/
3358	>	public void testFailedFuture() {
3359	>	CFException ex = new CFException();
3360	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3361	>	checkCompletedExceptionally(f, ex);
3362	>	}
3363	>
3364	>	/**
3365	>	* failedFuture(null) throws NPE
3366	>	*/
3367	>	public void testFailedFuture_null() {
3368	>	try {
3369	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3370	>	shouldThrow();
3371	>	} catch (NullPointerException success) {}
3372	>	}
3373	>
3374	>	/**
3375	>	* copy returns a CompletableFuture that is completed normally,
3376	>	* with the same value, when source is.
3377	>	*/
3378	>	public void testCopy() {
3379	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3380	>	CompletableFuture<Integer> g = f.copy();
3381	>	checkIncomplete(f);
3382	>	checkIncomplete(g);
3383	>	f.complete(1);
3384	>	checkCompletedNormally(f, 1);
3385	>	checkCompletedNormally(g, 1);
3386	>	}
3387	>
3388	>	/**
3389	>	* copy returns a CompletableFuture that is completed exceptionally
3390	>	* when source is.
3391	>	*/
3392	>	public void testCopy2() {
3393	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3394	>	CompletableFuture<Integer> g = f.copy();
3395	>	checkIncomplete(f);
3396	>	checkIncomplete(g);
3397	>	CFException ex = new CFException();
3398		f.completeExceptionally(ex);
3399	<	checkCompletedWithWrappedCFException(f, ex);
3400	<	checkCompletedWithWrappedCFException(g, ex);
3512	<	assertEquals(a.get(), 1);
3513	<	}
3399	>	checkCompletedExceptionally(f, ex);
3400	>	checkCompletedWithWrappedException(g, ex);
3401		}
3402
3403		/**
3404	<	* If a whenComplete action throws an exception when triggered by
3405	<	* a normal completion, it completes exceptionally
3404	>	* minimalCompletionStage returns a CompletableFuture that is
3405	>	* completed normally, with the same value, when source is.
3406		*/
3407	<	public void testWhenComplete_actionFailed() {
3408	<	for (ExecutionMode m : ExecutionMode.values())
3409	<	for (Integer v1 : new Integer[] { 1, null }) {
3407	>	public void testMinimalCompletionStage() {
3408	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3409	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3410	>	AtomicInteger x = new AtomicInteger(0);
3411	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3412	>	checkIncomplete(f);
3413	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3414	>	f.complete(1);
3415	>	checkCompletedNormally(f, 1);
3416	>	assertEquals(x.get(), 1);
3417	>	assertNull(r.get());
3418	>	}
3419
3420	<	final CFException ex = new CFException();
3421	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3422	<	final CompletableFuture<Integer> g = m.whenComplete
3423	<	(f,
3424	<	(Integer x, Throwable t) -> {
3425	<	threadAssertSame(x, v1);
3426	<	threadAssertNull(t);
3427	<	throw ex;
3428	<	});
3429	<	f.complete(v1);
3430	<	checkCompletedNormally(f, v1);
3431	<	checkCompletedWithWrappedCFException(g, ex);
3432	<	}
3420	>	/**
3421	>	* minimalCompletionStage returns a CompletableFuture that is
3422	>	* completed exceptionally when source is.
3423	>	*/
3424	>	public void testMinimalCompletionStage2() {
3425	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3426	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3427	>	AtomicInteger x = new AtomicInteger(0);
3428	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3429	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3430	>	checkIncomplete(f);
3431	>	CFException ex = new CFException();
3432	>	f.completeExceptionally(ex);
3433	>	checkCompletedExceptionally(f, ex);
3434	>	assertEquals(x.get(), 0);
3435	>	assertEquals(r.get().getCause(), ex);
3436		}
3437
3438		/**
3439	<	* If a whenComplete action throws an exception when triggered by
3440	<	* a source completion that also throws an exception, the source
3542	<	* exception takes precedence.
3439	>	* failedStage returns a CompletionStage completed
3440	>	* exceptionally with the given Exception
3441		*/
3442	<	public void testWhenComplete_actionFailedSourceFailed() {
3443	<	for (ExecutionMode m : ExecutionMode.values())
3444	<	for (Integer v1 : new Integer[] { 1, null }) {
3442	>	public void testFailedStage() {
3443	>	CFException ex = new CFException();
3444	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3445	>	AtomicInteger x = new AtomicInteger(0);
3446	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3447	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3448	>	assertEquals(x.get(), 0);
3449	>	assertEquals(r.get(), ex);
3450	>	}
3451
3452	<	final CFException ex1 = new CFException();
3453	<	final CFException ex2 = new CFException();
3454	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3455	<	final CompletableFuture<Integer> g = m.whenComplete
3456	<	(f,
3457	<	(Integer x, Throwable t) -> {
3458	<	threadAssertSame(t, ex1);
3459	<	threadAssertNull(x);
3460	<	throw ex2;
3461	<	});
3462	<	f.completeExceptionally(ex1);
3463	<	checkCompletedWithWrappedCFException(f, ex1);
3464	<	checkCompletedWithWrappedCFException(g, ex1);
3465	<	}
3452	>	/**
3453	>	* completeAsync completes with value of given supplier
3454	>	*/
3455	>	public void testCompleteAsync() {
3456	>	for (Integer v1 : new Integer[] { 1, null })
3457	>	{
3458	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3459	>	f.completeAsync(() -> v1);
3460	>	f.join();
3461	>	checkCompletedNormally(f, v1);
3462	>	}}
3463	>
3464	>	/**
3465	>	* completeAsync completes exceptionally if given supplier throws
3466	>	*/
3467	>	public void testCompleteAsync2() {
3468	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3469	>	CFException ex = new CFException();
3470	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3471	>	try {
3472	>	f.join();
3473	>	shouldThrow();
3474	>	} catch (CompletionException success) {}
3475	>	checkCompletedWithWrappedException(f, ex);
3476		}
3477
3478		/**
3479	<	* handleAsync action completes normally with function value on
3566	<	* either normal or exceptional completion of source
3479	>	* completeAsync with given executor completes with value of given supplier
3480		*/
3481	<	public void testHandleAsync() {
3482	<	CompletableFuture<Integer> f, g;
3483	<	IntegerHandler r;
3481	>	public void testCompleteAsync3() {
3482	>	for (Integer v1 : new Integer[] { 1, null })
3483	>	{
3484	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3485	>	ThreadExecutor executor = new ThreadExecutor();
3486	>	f.completeAsync(() -> v1, executor);
3487	>	assertSame(v1, f.join());
3488	>	checkCompletedNormally(f, v1);
3489	>	assertEquals(1, executor.count.get());
3490	>	}}
3491
3492	<	f = new CompletableFuture<>();
3493	<	g = f.handleAsync(r = new IntegerHandler());
3494	<	assertFalse(r.ran);
3495	<	f.completeExceptionally(new CFException());
3496	<	checkCompletedWithWrappedCFException(f);
3497	<	checkCompletedNormally(g, three);
3498	<	assertTrue(r.ran);
3492	>	/**
3493	>	* completeAsync with given executor completes exceptionally if
3494	>	* given supplier throws
3495	>	*/
3496	>	public void testCompleteAsync4() {
3497	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3498	>	CFException ex = new CFException();
3499	>	ThreadExecutor executor = new ThreadExecutor();
3500	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3501	>	try {
3502	>	f.join();
3503	>	shouldThrow();
3504	>	} catch (CompletionException success) {}
3505	>	checkCompletedWithWrappedException(f, ex);
3506	>	assertEquals(1, executor.count.get());
3507	>	}
3508
3509	<	f = new CompletableFuture<>();
3510	<	g = f.handleAsync(r = new IntegerHandler());
3511	<	assertFalse(r.ran);
3512	<	f.completeExceptionally(new CFException());
3513	<	checkCompletedWithWrappedCFException(f);
3514	<	checkCompletedNormally(g, three);
3515	<	assertTrue(r.ran);
3509	>	/**
3510	>	* orTimeout completes with TimeoutException if not complete
3511	>	*/
3512	>	public void testOrTimeout_timesOut() {
3513	>	long timeoutMillis = timeoutMillis();
3514	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3515	>	long startTime = System.nanoTime();
3516	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3517	>	checkCompletedWithTimeoutException(f);
3518	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3519	>	}
3520
3521	<	f = new CompletableFuture<>();
3522	<	g = f.handleAsync(r = new IntegerHandler());
3523	<	assertFalse(r.ran);
3524	<	f.complete(one);
3525	<	checkCompletedNormally(f, one);
3526	<	checkCompletedNormally(g, two);
3527	<	assertTrue(r.ran);
3521	>	/**
3522	>	* orTimeout completes normally if completed before timeout
3523	>	*/
3524	>	public void testOrTimeout_completed() {
3525	>	for (Integer v1 : new Integer[] { 1, null })
3526	>	{
3527	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3528	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3529	>	long startTime = System.nanoTime();
3530	>	f.complete(v1);
3531	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3532	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3533	>	g.complete(v1);
3534	>	checkCompletedNormally(f, v1);
3535	>	checkCompletedNormally(g, v1);
3536	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3537	>	}}
3538
3539	<	f = new CompletableFuture<>();
3540	<	g = f.handleAsync(r = new IntegerHandler());
3541	<	assertFalse(r.ran);
3542	<	f.complete(one);
3543	<	checkCompletedNormally(f, one);
3544	<	checkCompletedNormally(g, two);
3545	<	assertTrue(r.ran);
3539	>	/**
3540	>	* completeOnTimeout completes with given value if not complete
3541	>	*/
3542	>	public void testCompleteOnTimeout_timesOut() {
3543	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3544	>	() -> testCompleteOnTimeout_timesOut(null));
3545	>	}
3546	>
3547	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3548	>	long timeoutMillis = timeoutMillis();
3549	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3550	>	long startTime = System.nanoTime();
3551	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3552	>	assertSame(v, f.join());
3553	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3554	>	f.complete(99);         // should have no effect
3555	>	checkCompletedNormally(f, v);
3556		}
3557
3558		/**
3559	<	* handleAsync action with Executor completes normally with
3607	<	* function value on either normal or exceptional completion of
3608	<	* source
3559	>	* completeOnTimeout has no effect if completed within timeout
3560		*/
3561	<	public void testHandleAsync2() {
3562	<	CompletableFuture<Integer> f, g;
3563	<	ThreadExecutor exec = new ThreadExecutor();
3564	<	IntegerHandler r;
3561	>	public void testCompleteOnTimeout_completed() {
3562	>	for (Integer v1 : new Integer[] { 1, null })
3563	>	{
3564	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3565	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3566	>	long startTime = System.nanoTime();
3567	>	f.complete(v1);
3568	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3569	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3570	>	g.complete(v1);
3571	>	checkCompletedNormally(f, v1);
3572	>	checkCompletedNormally(g, v1);
3573	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3574	>	}}
3575
3576	<	f = new CompletableFuture<>();
3577	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3578	<	assertFalse(r.ran);
3579	<	f.completeExceptionally(new CFException());
3580	<	checkCompletedWithWrappedCFException(f);
3581	<	checkCompletedNormally(g, three);
3582	<	assertTrue(r.ran);
3576	>	/**
3577	>	* delayedExecutor returns an executor that delays submission
3578	>	*/
3579	>	public void testDelayedExecutor() {
3580	>	testInParallel(() -> testDelayedExecutor(null, null),
3581	>	() -> testDelayedExecutor(null, 1),
3582	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3583	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3584	>	}
3585
3586	<	f = new CompletableFuture<>();
3587	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3588	<	assertFalse(r.ran);
3589	<	f.completeExceptionally(new CFException());
3590	<	checkCompletedWithWrappedCFException(f);
3591	<	checkCompletedNormally(g, three);
3592	<	assertTrue(r.ran);
3586	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3587	>	long timeoutMillis = timeoutMillis();
3588	>	// Use an "unreasonably long" long timeout to catch lingering threads
3589	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3590	>	final Executor delayer, longDelayer;
3591	>	if (executor == null) {
3592	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3593	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3594	>	} else {
3595	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3596	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3597	>	}
3598	>	long startTime = System.nanoTime();
3599	>	CompletableFuture<Integer> f =
3600	>	CompletableFuture.supplyAsync(() -> v, delayer);
3601	>	CompletableFuture<Integer> g =
3602	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3603
3604	<	f = new CompletableFuture<>();
3632	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3633	<	assertFalse(r.ran);
3634	<	f.complete(one);
3635	<	checkCompletedNormally(f, one);
3636	<	checkCompletedNormally(g, two);
3637	<	assertTrue(r.ran);
3604	>	assertNull(g.getNow(null));
3605
3606	<	f = new CompletableFuture<>();
3607	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3608	<	assertFalse(r.ran);
3609	<	f.complete(one);
3610	<	checkCompletedNormally(f, one);
3611	<	checkCompletedNormally(g, two);
3612	<	assertTrue(r.ran);
3606	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3607	>	long millisElapsed = millisElapsedSince(startTime);
3608	>	assertTrue(millisElapsed >= timeoutMillis);
3609	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3610	>
3611	>	checkCompletedNormally(f, v);
3612	>
3613	>	checkIncomplete(g);
3614	>	assertTrue(g.cancel(true));
3615	>	}
3616	>
3617	>	//--- tests of implementation details; not part of official tck ---
3618	>
3619	>	Object resultOf(CompletableFuture<?> f) {
3620	>	try {
3621	>	java.lang.reflect.Field resultField
3622	>	= CompletableFuture.class.getDeclaredField("result");
3623	>	resultField.setAccessible(true);
3624	>	return resultField.get(f);
3625	>	} catch (Throwable t) { throw new AssertionError(t); }
3626		}
3627
3628	+	public void testExceptionPropagationReusesResultObject() {
3629	+	if (!testImplementationDetails) return;
3630	+	for (ExecutionMode m : ExecutionMode.values())
3631	+	{
3632	+	final CFException ex = new CFException();
3633	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3634	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3635	+
3636	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3637	+	= new ArrayList<>();
3638	+
3639	+	funs.add((y) -> m.thenRun(y, new Noop(m)));
3640	+	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3641	+	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3642	+
3643	+	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3644	+	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3645	+	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3646	+
3647	+	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3648	+	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3649	+	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3650	+
3651	+	funs.add((y) -> m.whenComplete(y, (Integer x, Throwable t) -> {}));
3652	+
3653	+	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3654	+
3655	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3656	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3657	+
3658	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3659	+	fun : funs) {
3660	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3661	+	f.completeExceptionally(ex);
3662	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3663	+	checkCompletedWithWrappedException(src, ex);
3664	+	CompletableFuture<?> dep = fun.apply(src);
3665	+	checkCompletedWithWrappedException(dep, ex);
3666	+	assertSame(resultOf(src), resultOf(dep));
3667	+	}
3668	+
3669	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3670	+	fun : funs) {
3671	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3672	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3673	+	CompletableFuture<?> dep = fun.apply(src);
3674	+	f.completeExceptionally(ex);
3675	+	checkCompletedWithWrappedException(src, ex);
3676	+	checkCompletedWithWrappedException(dep, ex);
3677	+	assertSame(resultOf(src), resultOf(dep));
3678	+	}
3679	+
3680	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3681	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3682	+	fun : funs) {
3683	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3684	+	f.cancel(mayInterruptIfRunning);
3685	+	checkCancelled(f);
3686	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3687	+	checkCompletedWithWrappedCancellationException(src);
3688	+	CompletableFuture<?> dep = fun.apply(src);
3689	+	checkCompletedWithWrappedCancellationException(dep);
3690	+	assertSame(resultOf(src), resultOf(dep));
3691	+	}
3692	+
3693	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3694	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3695	+	fun : funs) {
3696	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3697	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3698	+	CompletableFuture<?> dep = fun.apply(src);
3699	+	f.cancel(mayInterruptIfRunning);
3700	+	checkCancelled(f);
3701	+	checkCompletedWithWrappedCancellationException(src);
3702	+	checkCompletedWithWrappedCancellationException(dep);
3703	+	assertSame(resultOf(src), resultOf(dep));
3704	+	}
3705	+	}}
3706	+
3707	+	/**
3708	+	* Minimal completion stages throw UOE for all non-CompletionStage methods
3709	+	*/
3710	+	public void testMinimalCompletionStage_minimality() {
3711	+	if (!testImplementationDetails) return;
3712	+	Function<Method, String> toSignature =
3713	+	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3714	+	Predicate<Method> isNotStatic =
3715	+	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3716	+	List<Method> minimalMethods =
3717	+	Stream.of(Object.class, CompletionStage.class)
3718	+	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3719	+	.filter(isNotStatic)
3720	+	.collect(Collectors.toList());
3721	+	// Methods from CompletableFuture permitted NOT to throw UOE
3722	+	String[] signatureWhitelist = {
3723	+	"newIncompleteFuture[]",
3724	+	"defaultExecutor[]",
3725	+	"minimalCompletionStage[]",
3726	+	"copy[]",
3727	+	};
3728	+	Set<String> permittedMethodSignatures =
3729	+	Stream.concat(minimalMethods.stream().map(toSignature),
3730	+	Stream.of(signatureWhitelist))
3731	+	.collect(Collectors.toSet());
3732	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3733	+	.filter(isNotStatic)
3734	+	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3735	+	.collect(Collectors.toList());
3736	+
3737	+	CompletionStage<Integer> minimalStage =
3738	+	new CompletableFuture<Integer>().minimalCompletionStage();
3739	+
3740	+	List<Method> bugs = new ArrayList<>();
3741	+	for (Method method : allMethods) {
3742	+	Class<?>[] parameterTypes = method.getParameterTypes();
3743	+	Object[] args = new Object[parameterTypes.length];
3744	+	// Manufacture boxed primitives for primitive params
3745	+	for (int i = 0; i < args.length; i++) {
3746	+	Class<?> type = parameterTypes[i];
3747	+	if (parameterTypes[i] == boolean.class)
3748	+	args[i] = false;
3749	+	else if (parameterTypes[i] == int.class)
3750	+	args[i] = 0;
3751	+	else if (parameterTypes[i] == long.class)
3752	+	args[i] = 0L;
3753	+	}
3754	+	try {
3755	+	method.invoke(minimalStage, args);
3756	+	bugs.add(method);
3757	+	}
3758	+	catch (java.lang.reflect.InvocationTargetException expected) {
3759	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3760	+	bugs.add(method);
3761	+	// expected.getCause().printStackTrace();
3762	+	}
3763	+	}
3764	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3765	+	}
3766	+	if (!bugs.isEmpty())
3767	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3768	+	}
3769	+
3770	+	static class Monad {
3771	+	static class ZeroException extends RuntimeException {
3772	+	public ZeroException() { super("monadic zero"); }
3773	+	}
3774	+	// "return", "unit"
3775	+	static <T> CompletableFuture<T> unit(T value) {
3776	+	return completedFuture(value);
3777	+	}
3778	+	// monadic zero ?
3779	+	static <T> CompletableFuture<T> zero() {
3780	+	return failedFuture(new ZeroException());
3781	+	}
3782	+	// >=>
3783	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3784	+	(Function<T, CompletableFuture<U>> f,
3785	+	Function<U, CompletableFuture<V>> g) {
3786	+	return (x) -> f.apply(x).thenCompose(g);
3787	+	}
3788	+
3789	+	static void assertZero(CompletableFuture<?> f) {
3790	+	try {
3791	+	f.getNow(null);
3792	+	throw new AssertionFailedError("should throw");
3793	+	} catch (CompletionException success) {
3794	+	assertTrue(success.getCause() instanceof ZeroException);
3795	+	}
3796	+	}
3797	+
3798	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3799	+	CompletableFuture<T> g) {
3800	+	T fval = null, gval = null;
3801	+	Throwable fex = null, gex = null;
3802	+
3803	+	try { fval = f.get(); }
3804	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3805	+	catch (Throwable ex) { fex = ex; }
3806	+
3807	+	try { gval = g.get(); }
3808	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3809	+	catch (Throwable ex) { gex = ex; }
3810	+
3811	+	if (fex != null || gex != null)
3812	+	assertSame(fex.getClass(), gex.getClass());
3813	+	else
3814	+	assertEquals(fval, gval);
3815	+	}
3816	+
3817	+	static class PlusFuture<T> extends CompletableFuture<T> {
3818	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3819	+	}
3820	+
3821	+	// Monadic "plus"
3822	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3823	+	CompletableFuture<? extends T> g) {
3824	+	PlusFuture<T> plus = new PlusFuture<T>();
3825	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3826	+	if (ex == null) {
3827	+	if (plus.complete(result))
3828	+	if (plus.firstFailure.get() != null)
3829	+	plus.firstFailure.set(null);
3830	+	}
3831	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
3832	+	if (plus.isDone())
3833	+	plus.firstFailure.set(null);
3834	+	}
3835	+	else {
3836	+	// first failure has precedence
3837	+	Throwable first = plus.firstFailure.getAndSet(null);
3838	+
3839	+	// may fail with "Self-suppression not permitted"
3840	+	try { first.addSuppressed(ex); }
3841	+	catch (Exception ignored) {}
3842	+
3843	+	plus.completeExceptionally(first);
3844	+	}
3845	+	};
3846	+	f.whenComplete(action);
3847	+	g.whenComplete(action);
3848	+	return plus;
3849	+	}
3850	+	}
3851	+
3852	+	/**
3853	+	* CompletableFuture is an additive monad - sort of.
3854	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3855	+	*/
3856	+	public void testAdditiveMonad() throws Throwable {
3857	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3858	+	CompletableFuture<Long> zero = Monad.zero();
3859	+
3860	+	// Some mutually non-commutative functions
3861	+	Function<Long, CompletableFuture<Long>> triple
3862	+	= (x) -> Monad.unit(3 * x);
3863	+	Function<Long, CompletableFuture<Long>> inc
3864	+	= (x) -> Monad.unit(x + 1);
3865	+
3866	+	// unit is a right identity: m >>= unit === m
3867	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3868	+	inc.apply(5L));
3869	+	// unit is a left identity: (unit x) >>= f === f x
3870	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3871	+	inc.apply(5L));
3872	+
3873	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3874	+	Monad.assertFutureEquals(
3875	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3876	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3877	+
3878	+	// The case for CompletableFuture as an additive monad is weaker...
3879	+
3880	+	// zero is a monadic zero
3881	+	Monad.assertZero(zero);
3882	+
3883	+	// left zero: zero >>= f === zero
3884	+	Monad.assertZero(zero.thenCompose(inc));
3885	+	// right zero: f >>= (\x -> zero) === zero
3886	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3887	+
3888	+	// f plus zero === f
3889	+	Monad.assertFutureEquals(Monad.unit(5L),
3890	+	Monad.plus(Monad.unit(5L), zero));
3891	+	// zero plus f === f
3892	+	Monad.assertFutureEquals(Monad.unit(5L),
3893	+	Monad.plus(zero, Monad.unit(5L)));
3894	+	// zero plus zero === zero
3895	+	Monad.assertZero(Monad.plus(zero, zero));
3896	+	{
3897	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3898	+	Monad.unit(8L));
3899	+	// non-determinism
3900	+	assertTrue(f.get() == 5L || f.get() == 8L);
3901	+	}
3902	+
3903	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3904	+	// f plus godot === f (doesn't wait for godot)
3905	+	Monad.assertFutureEquals(Monad.unit(5L),
3906	+	Monad.plus(Monad.unit(5L), godot));
3907	+	// godot plus f === f (doesn't wait for godot)
3908	+	Monad.assertFutureEquals(Monad.unit(5L),
3909	+	Monad.plus(godot, Monad.unit(5L)));
3910	+	}
3911	+
3912	+	//     static <U> U join(CompletionStage<U> stage) {
3913	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3914	+	//         stage.whenComplete((v, ex) -> {
3915	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3916	+	//         });
3917	+	//         return f.join();
3918	+	//     }
3919	+
3920	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3921	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3922	+	//         stage.whenComplete((v, ex) -> {
3923	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3924	+	//         });
3925	+	//         return f.isDone();
3926	+	//     }
3927	+
3928	+	//     static <U> U join2(CompletionStage<U> stage) {
3929	+	//         return stage.toCompletableFuture().copy().join();
3930	+	//     }
3931	+
3932	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3933	+	//         return stage.toCompletableFuture().copy().isDone();
3934	+	//     }
3935	+
3936		}

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