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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 1.143 by jsr166, Sun Apr 3 17:09:46 2016 UTC

#	Line 5 | Line 5
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		*/
7
8	<	import junit.framework.*;
8	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
9	>	import static java.util.concurrent.TimeUnit.SECONDS;
10	>	import static java.util.concurrent.CompletableFuture.completedFuture;
11	>	import static java.util.concurrent.CompletableFuture.failedFuture;
12	>
13	>	import java.lang.reflect.Method;
14	>	import java.lang.reflect.Modifier;
15	>
16	>	import java.util.stream.Collectors;
17	>	import java.util.stream.Stream;
18	>
19	>	import java.util.ArrayList;
20	>	import java.util.Arrays;
21	>	import java.util.List;
22	>	import java.util.Objects;
23	>	import java.util.Set;
24		import java.util.concurrent.Callable;
10	–	import java.util.concurrent.Executor;
11	–	import java.util.concurrent.ExecutorService;
12	–	import java.util.concurrent.Executors;
25		import java.util.concurrent.CancellationException;
14	–	import java.util.concurrent.CountDownLatch;
15	–	import java.util.concurrent.ExecutionException;
16	–	import java.util.concurrent.Future;
26		import java.util.concurrent.CompletableFuture;
27		import java.util.concurrent.CompletionException;
28		import java.util.concurrent.CompletionStage;
29	+	import java.util.concurrent.ExecutionException;
30	+	import java.util.concurrent.Executor;
31	+	import java.util.concurrent.ForkJoinPool;
32	+	import java.util.concurrent.ForkJoinTask;
33		import java.util.concurrent.TimeoutException;
34	+	import java.util.concurrent.TimeUnit;
35		import java.util.concurrent.atomic.AtomicInteger;
36	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
23	<	import static java.util.concurrent.TimeUnit.SECONDS;
24	<	import java.util.*;
25	<	import java.util.function.Supplier;
26	<	import java.util.function.Consumer;
36	>	import java.util.concurrent.atomic.AtomicReference;
37		import java.util.function.BiConsumer;
28	–	import java.util.function.Function;
38		import java.util.function.BiFunction;
39	+	import java.util.function.Consumer;
40	+	import java.util.function.Function;
41	+	import java.util.function.Predicate;
42	+	import java.util.function.Supplier;
43	+
44	+	import junit.framework.AssertionFailedError;
45	+	import junit.framework.Test;
46	+	import junit.framework.TestSuite;
47
48		public class CompletableFutureTest extends JSR166TestCase {
49
50		public static void main(String[] args) {
51	<	junit.textui.TestRunner.run(suite());
51	>	main(suite(), args);
52		}
53		public static Test suite() {
54		return new TestSuite(CompletableFutureTest.class);
#	Line 42 | Line 59 | public class CompletableFutureTest exten
59		void checkIncomplete(CompletableFuture<?> f) {
60		assertFalse(f.isDone());
61		assertFalse(f.isCancelled());
62	<	assertTrue(f.toString().contains("[Not completed]"));
62	>	assertTrue(f.toString().contains("Not completed"));
63		try {
64		assertNull(f.getNow(null));
65		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 55 | Line 72 | public class CompletableFutureTest exten
72		}
73
74		<T> void checkCompletedNormally(CompletableFuture<T> f, T value) {
75	<	try {
76	<	assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS));
60	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
75	>	checkTimedGet(f, value);
76	>
77		try {
78		assertEquals(value, f.join());
79		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 73 | Line 89 | public class CompletableFutureTest exten
89		assertTrue(f.toString().contains("[Completed normally]"));
90		}
91
92	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
93	<	try {
94	<	f.get(LONG_DELAY_MS, MILLISECONDS);
95	<	shouldThrow();
96	<	} catch (ExecutionException success) {
97	<	assertTrue(success.getCause() instanceof CFException);
98	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
99	<	try {
100	<	f.join();
101	<	shouldThrow();
102	<	} catch (CompletionException success) {
103	<	assertTrue(success.getCause() instanceof CFException);
104	<	}
105	<	try {
106	<	f.getNow(null);
107	<	shouldThrow();
108	<	} catch (CompletionException success) {
93	<	assertTrue(success.getCause() instanceof CFException);
92	>	/**
93	>	* Returns the "raw" internal exceptional completion of f,
94	>	* without any additional wrapping with CompletionException.
95	>	*/
96	>	<U> Throwable exceptionalCompletion(CompletableFuture<U> f) {
97	>	// handle (and whenComplete) can distinguish between "direct"
98	>	// and "wrapped" exceptional completion
99	>	return f.handle((U u, Throwable t) -> t).join();
100	>	}
101	>
102	>	void checkCompletedExceptionally(CompletableFuture<?> f,
103	>	boolean wrapped,
104	>	Consumer<Throwable> checker) {
105	>	Throwable cause = exceptionalCompletion(f);
106	>	if (wrapped) {
107	>	assertTrue(cause instanceof CompletionException);
108	>	cause = cause.getCause();
109		}
110	<	try {
96	<	f.get();
97	<	shouldThrow();
98	<	} catch (ExecutionException success) {
99	<	assertTrue(success.getCause() instanceof CFException);
100	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
101	<	assertTrue(f.isDone());
102	<	assertFalse(f.isCancelled());
103	<	assertTrue(f.toString().contains("[Completed exceptionally]"));
104	<	}
110	>	checker.accept(cause);
111
112	<	void checkCompletedWithWrappedCFException(CompletableFuture<?> f,
107	<	CFException ex) {
112	>	long startTime = System.nanoTime();
113		try {
114		f.get(LONG_DELAY_MS, MILLISECONDS);
115		shouldThrow();
116		} catch (ExecutionException success) {
117	<	assertSame(ex, success.getCause());
117	>	assertSame(cause, success.getCause());
118		} catch (Throwable fail) { threadUnexpectedException(fail); }
119	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
120	+
121		try {
122		f.join();
123		shouldThrow();
124		} catch (CompletionException success) {
125	<	assertSame(ex, success.getCause());
126	<	}
125	>	assertSame(cause, success.getCause());
126	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
127	>
128		try {
129		f.getNow(null);
130		shouldThrow();
131		} catch (CompletionException success) {
132	<	assertSame(ex, success.getCause());
133	<	}
132	>	assertSame(cause, success.getCause());
133	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
134	>
135		try {
136		f.get();
137		shouldThrow();
138		} catch (ExecutionException success) {
139	<	assertSame(ex, success.getCause());
139	>	assertSame(cause, success.getCause());
140		} catch (Throwable fail) { threadUnexpectedException(fail); }
141	<	assertTrue(f.isDone());
141	>
142		assertFalse(f.isCancelled());
143	+	assertTrue(f.isDone());
144	+	assertTrue(f.isCompletedExceptionally());
145		assertTrue(f.toString().contains("[Completed exceptionally]"));
146		}
147
148	+	void checkCompletedWithWrappedCFException(CompletableFuture<?> f) {
149	+	checkCompletedExceptionally(f, true,
150	+	(t) -> assertTrue(t instanceof CFException));
151	+	}
152	+
153	+	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
154	+	checkCompletedExceptionally(f, true,
155	+	(t) -> assertTrue(t instanceof CancellationException));
156	+	}
157	+
158	+	void checkCompletedWithTimeoutException(CompletableFuture<?> f) {
159	+	checkCompletedExceptionally(f, false,
160	+	(t) -> assertTrue(t instanceof TimeoutException));
161	+	}
162	+
163	+	void checkCompletedWithWrappedException(CompletableFuture<?> f,
164	+	Throwable ex) {
165	+	checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex));
166	+	}
167	+
168	+	void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) {
169	+	checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex));
170	+	}
171	+
172		void checkCancelled(CompletableFuture<?> f) {
173	+	long startTime = System.nanoTime();
174		try {
175		f.get(LONG_DELAY_MS, MILLISECONDS);
176		shouldThrow();
177		} catch (CancellationException success) {
178		} catch (Throwable fail) { threadUnexpectedException(fail); }
179	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
180	+
181		try {
182		f.join();
183		shouldThrow();
#	Line 153 | Line 191 | public class CompletableFutureTest exten
191		shouldThrow();
192		} catch (CancellationException success) {
193		} catch (Throwable fail) { threadUnexpectedException(fail); }
156	–	assertTrue(f.isDone());
157	–	assertTrue(f.isCompletedExceptionally());
158	–	assertTrue(f.isCancelled());
159	–	assertTrue(f.toString().contains("[Completed exceptionally]"));
160	–	}
194
195	<	void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) {
196	<	try {
164	<	f.get(LONG_DELAY_MS, MILLISECONDS);
165	<	shouldThrow();
166	<	} catch (ExecutionException success) {
167	<	assertTrue(success.getCause() instanceof CancellationException);
168	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
169	<	try {
170	<	f.join();
171	<	shouldThrow();
172	<	} catch (CompletionException success) {
173	<	assertTrue(success.getCause() instanceof CancellationException);
174	<	}
175	<	try {
176	<	f.getNow(null);
177	<	shouldThrow();
178	<	} catch (CompletionException success) {
179	<	assertTrue(success.getCause() instanceof CancellationException);
180	<	}
181	<	try {
182	<	f.get();
183	<	shouldThrow();
184	<	} catch (ExecutionException success) {
185	<	assertTrue(success.getCause() instanceof CancellationException);
186	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
195	>	assertTrue(exceptionalCompletion(f) instanceof CancellationException);
196	>
197		assertTrue(f.isDone());
188	–	assertFalse(f.isCancelled());
198		assertTrue(f.isCompletedExceptionally());
199	+	assertTrue(f.isCancelled());
200		assertTrue(f.toString().contains("[Completed exceptionally]"));
201		}
202
#	Line 204 | Line 214 | public class CompletableFutureTest exten
214		* isCancelled, join, get, and getNow
215		*/
216		public void testComplete() {
217	+	for (Integer v1 : new Integer[] { 1, null })
218	+	{
219		CompletableFuture<Integer> f = new CompletableFuture<>();
220		checkIncomplete(f);
221	<	f.complete(one);
222	<	checkCompletedNormally(f, one);
223	<	}
221	>	assertTrue(f.complete(v1));
222	>	assertFalse(f.complete(v1));
223	>	checkCompletedNormally(f, v1);
224	>	}}
225
226		/**
227		* completeExceptionally completes exceptionally, as indicated by
#	Line 216 | Line 229 | public class CompletableFutureTest exten
229		*/
230		public void testCompleteExceptionally() {
231		CompletableFuture<Integer> f = new CompletableFuture<>();
232	+	CFException ex = new CFException();
233		checkIncomplete(f);
234	<	f.completeExceptionally(new CFException());
235	<	checkCompletedWithWrappedCFException(f);
234	>	f.completeExceptionally(ex);
235	>	checkCompletedExceptionally(f, ex);
236		}
237
238		/**
#	Line 226 | Line 240 | public class CompletableFutureTest exten
240		* methods isDone, isCancelled, join, get, and getNow
241		*/
242		public void testCancel() {
243	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
244	+	{
245		CompletableFuture<Integer> f = new CompletableFuture<>();
246		checkIncomplete(f);
247	<	assertTrue(f.cancel(true));
247	>	assertTrue(f.cancel(mayInterruptIfRunning));
248	>	assertTrue(f.cancel(mayInterruptIfRunning));
249	>	assertTrue(f.cancel(!mayInterruptIfRunning));
250		checkCancelled(f);
251	<	}
251	>	}}
252
253		/**
254		* obtrudeValue forces completion with given value
#	Line 238 | Line 256 | public class CompletableFutureTest exten
256		public void testObtrudeValue() {
257		CompletableFuture<Integer> f = new CompletableFuture<>();
258		checkIncomplete(f);
259	<	f.complete(one);
259	>	assertTrue(f.complete(one));
260		checkCompletedNormally(f, one);
261		f.obtrudeValue(three);
262		checkCompletedNormally(f, three);
#	Line 247 | Line 265 | public class CompletableFutureTest exten
265		f = new CompletableFuture<>();
266		f.obtrudeValue(three);
267		checkCompletedNormally(f, three);
268	+	f.obtrudeValue(null);
269	+	checkCompletedNormally(f, null);
270		f = new CompletableFuture<>();
271		f.completeExceptionally(new CFException());
272		f.obtrudeValue(four);
#	Line 257 | Line 277 | public class CompletableFutureTest exten
277		* obtrudeException forces completion with given exception
278		*/
279		public void testObtrudeException() {
280	<	CompletableFuture<Integer> f = new CompletableFuture<>();
281	<	checkIncomplete(f);
282	<	f.complete(one);
283	<	checkCompletedNormally(f, one);
284	<	f.obtrudeException(new CFException());
265	<	checkCompletedWithWrappedCFException(f);
280	>	for (Integer v1 : new Integer[] { 1, null })
281	>	{
282	>	CFException ex;
283	>	CompletableFuture<Integer> f;
284	>
285		f = new CompletableFuture<>();
286	<	f.obtrudeException(new CFException());
287	<	checkCompletedWithWrappedCFException(f);
286	>	assertTrue(f.complete(v1));
287	>	for (int i = 0; i < 2; i++) {
288	>	f.obtrudeException(ex = new CFException());
289	>	checkCompletedExceptionally(f, ex);
290	>	}
291	>
292	>	f = new CompletableFuture<>();
293	>	for (int i = 0; i < 2; i++) {
294	>	f.obtrudeException(ex = new CFException());
295	>	checkCompletedExceptionally(f, ex);
296	>	}
297	>
298		f = new CompletableFuture<>();
299	+	f.completeExceptionally(ex = new CFException());
300	+	f.obtrudeValue(v1);
301	+	checkCompletedNormally(f, v1);
302	+	f.obtrudeException(ex = new CFException());
303	+	checkCompletedExceptionally(f, ex);
304		f.completeExceptionally(new CFException());
305	<	f.obtrudeValue(four);
306	<	checkCompletedNormally(f, four);
307	<	f.obtrudeException(new CFException());
308	<	checkCompletedWithWrappedCFException(f);
275	<	}
305	>	checkCompletedExceptionally(f, ex);
306	>	assertFalse(f.complete(v1));
307	>	checkCompletedExceptionally(f, ex);
308	>	}}
309
310		/**
311		* getNumberOfDependents returns number of dependent tasks
312		*/
313		public void testGetNumberOfDependents() {
314	+	for (ExecutionMode m : ExecutionMode.values())
315	+	for (Integer v1 : new Integer[] { 1, null })
316	+	{
317		CompletableFuture<Integer> f = new CompletableFuture<>();
318	<	assertEquals(f.getNumberOfDependents(), 0);
319	<	CompletableFuture g = f.thenRun(new Noop());
320	<	assertEquals(f.getNumberOfDependents(), 1);
321	<	assertEquals(g.getNumberOfDependents(), 0);
322	<	CompletableFuture h = f.thenRun(new Noop());
323	<	assertEquals(f.getNumberOfDependents(), 2);
324	<	f.complete(1);
318	>	assertEquals(0, f.getNumberOfDependents());
319	>	final CompletableFuture<Void> g = m.thenRun(f, new Noop(m));
320	>	assertEquals(1, f.getNumberOfDependents());
321	>	assertEquals(0, g.getNumberOfDependents());
322	>	final CompletableFuture<Void> h = m.thenRun(f, new Noop(m));
323	>	assertEquals(2, f.getNumberOfDependents());
324	>	assertEquals(0, h.getNumberOfDependents());
325	>	assertTrue(f.complete(v1));
326		checkCompletedNormally(g, null);
327	<	assertEquals(f.getNumberOfDependents(), 0);
328	<	assertEquals(g.getNumberOfDependents(), 0);
329	<	}
327	>	checkCompletedNormally(h, null);
328	>	assertEquals(0, f.getNumberOfDependents());
329	>	assertEquals(0, g.getNumberOfDependents());
330	>	assertEquals(0, h.getNumberOfDependents());
331	>	}}
332
333		/**
334		* toString indicates current completion state
#	Line 300 | Line 339 | public class CompletableFutureTest exten
339		f = new CompletableFuture<String>();
340		assertTrue(f.toString().contains("[Not completed]"));
341
342	<	f.complete("foo");
342	>	assertTrue(f.complete("foo"));
343		assertTrue(f.toString().contains("[Completed normally]"));
344
345		f = new CompletableFuture<String>();
346	<	f.completeExceptionally(new IndexOutOfBoundsException());
346	>	assertTrue(f.completeExceptionally(new IndexOutOfBoundsException()));
347		assertTrue(f.toString().contains("[Completed exceptionally]"));
348	+
349	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false }) {
350	+	f = new CompletableFuture<String>();
351	+	assertTrue(f.cancel(mayInterruptIfRunning));
352	+	assertTrue(f.toString().contains("[Completed exceptionally]"));
353	+	}
354		}
355
356		/**
#	Line 316 | Line 361 | public class CompletableFutureTest exten
361		checkCompletedNormally(f, "test");
362		}
363
364	<	// Choose non-commutative actions for better coverage
364	>	abstract class CheckedAction {
365	>	int invocationCount = 0;
366	>	final ExecutionMode m;
367	>	CheckedAction(ExecutionMode m) { this.m = m; }
368	>	void invoked() {
369	>	m.checkExecutionMode();
370	>	assertEquals(0, invocationCount++);
371	>	}
372	>	void assertNotInvoked() { assertEquals(0, invocationCount); }
373	>	void assertInvoked() { assertEquals(1, invocationCount); }
374	>	}
375
376	<	// A non-commutative function that handles and produces null values as well.
377	<	static Integer subtract(Integer x, Integer y) {
378	<	return (x == null && y == null) ? null :
379	<	((x == null) ? 42 : x.intValue())
380	<	- ((y == null) ? 99 : y.intValue());
376	>	abstract class CheckedIntegerAction extends CheckedAction {
377	>	Integer value;
378	>	CheckedIntegerAction(ExecutionMode m) { super(m); }
379	>	void assertValue(Integer expected) {
380	>	assertInvoked();
381	>	assertEquals(expected, value);
382	>	}
383	>	}
384	>
385	>	class IntegerSupplier extends CheckedAction
386	>	implements Supplier<Integer>
387	>	{
388	>	final Integer value;
389	>	IntegerSupplier(ExecutionMode m, Integer value) {
390	>	super(m);
391	>	this.value = value;
392	>	}
393	>	public Integer get() {
394	>	invoked();
395	>	return value;
396	>	}
397		}
398
399		// A function that handles and produces null values as well.
#	Line 330 | Line 401 | public class CompletableFutureTest exten
401		return (x == null) ? null : x + 1;
402		}
403
404	<	static final Supplier<Integer> supplyOne =
405	<	() -> Integer.valueOf(1);
406	<	static final Function<Integer, Integer> inc =
407	<	(Integer x) -> Integer.valueOf(x.intValue() + 1);
337	<	static final BiFunction<Integer, Integer, Integer> subtract =
338	<	(Integer x, Integer y) -> subtract(x, y);
339	<	static final class IncAction implements Consumer<Integer> {
340	<	int invocationCount = 0;
341	<	Integer value;
342	<	public boolean ran() { return invocationCount == 1; }
404	>	class NoopConsumer extends CheckedIntegerAction
405	>	implements Consumer<Integer>
406	>	{
407	>	NoopConsumer(ExecutionMode m) { super(m); }
408		public void accept(Integer x) {
409	<	invocationCount++;
410	<	value = inc(x);
409	>	invoked();
410	>	value = x;
411		}
412		}
413	<	static final class IncFunction implements Function<Integer,Integer> {
414	<	int invocationCount = 0;
415	<	Integer value;
416	<	public boolean ran() { return invocationCount == 1; }
413	>
414	>	class IncFunction extends CheckedIntegerAction
415	>	implements Function<Integer,Integer>
416	>	{
417	>	IncFunction(ExecutionMode m) { super(m); }
418		public Integer apply(Integer x) {
419	<	invocationCount++;
419	>	invoked();
420		return value = inc(x);
421		}
422		}
423	<	static final class SubtractAction implements BiConsumer<Integer, Integer> {
424	<	int invocationCount = 0;
425	<	Integer value;
426	<	// Check this action was invoked exactly once when result is computed.
427	<	public boolean ran() { return invocationCount == 1; }
423	>
424	>	// Choose non-commutative actions for better coverage
425	>	// A non-commutative function that handles and produces null values as well.
426	>	static Integer subtract(Integer x, Integer y) {
427	>	return (x == null && y == null) ? null :
428	>	((x == null) ? 42 : x.intValue())
429	>	- ((y == null) ? 99 : y.intValue());
430	>	}
431	>
432	>	class SubtractAction extends CheckedIntegerAction
433	>	implements BiConsumer<Integer, Integer>
434	>	{
435	>	SubtractAction(ExecutionMode m) { super(m); }
436		public void accept(Integer x, Integer y) {
437	<	invocationCount++;
437	>	invoked();
438		value = subtract(x, y);
439		}
440		}
441	<	static final class SubtractFunction implements BiFunction<Integer, Integer, Integer> {
442	<	int invocationCount = 0;
443	<	Integer value;
444	<	// Check this action was invoked exactly once when result is computed.
445	<	public boolean ran() { return invocationCount == 1; }
441	>
442	>	class SubtractFunction extends CheckedIntegerAction
443	>	implements BiFunction<Integer, Integer, Integer>
444	>	{
445	>	SubtractFunction(ExecutionMode m) { super(m); }
446		public Integer apply(Integer x, Integer y) {
447	<	invocationCount++;
447	>	invoked();
448		return value = subtract(x, y);
449		}
450		}
451	<	static final class Noop implements Runnable {
452	<	int invocationCount = 0;
453	<	boolean ran;
451	>
452	>	class Noop extends CheckedAction implements Runnable {
453	>	Noop(ExecutionMode m) { super(m); }
454		public void run() {
455	<	invocationCount++;
382	<	ran = true;
455	>	invoked();
456		}
457		}
458
459	<	static final class FailingSupplier implements Supplier<Integer> {
460	<	boolean ran;
461	<	public Integer get() { ran = true; throw new CFException(); }
459	>	class FailingSupplier extends CheckedAction
460	>	implements Supplier<Integer>
461	>	{
462	>	FailingSupplier(ExecutionMode m) { super(m); }
463	>	public Integer get() {
464	>	invoked();
465	>	throw new CFException();
466	>	}
467		}
468	<	static final class FailingConsumer implements Consumer<Integer> {
469	<	boolean ran;
470	<	public void accept(Integer x) { ran = true; throw new CFException(); }
468	>
469	>	class FailingConsumer extends CheckedIntegerAction
470	>	implements Consumer<Integer>
471	>	{
472	>	FailingConsumer(ExecutionMode m) { super(m); }
473	>	public void accept(Integer x) {
474	>	invoked();
475	>	value = x;
476	>	throw new CFException();
477	>	}
478		}
479	<	static final class FailingBiConsumer implements BiConsumer<Integer, Integer> {
480	<	boolean ran;
481	<	public void accept(Integer x, Integer y) { ran = true; throw new CFException(); }
479	>
480	>	class FailingBiConsumer extends CheckedIntegerAction
481	>	implements BiConsumer<Integer, Integer>
482	>	{
483	>	FailingBiConsumer(ExecutionMode m) { super(m); }
484	>	public void accept(Integer x, Integer y) {
485	>	invoked();
486	>	value = subtract(x, y);
487	>	throw new CFException();
488	>	}
489		}
490	<	static final class FailingFunction implements Function<Integer, Integer> {
491	<	boolean ran;
492	<	public Integer apply(Integer x) { ran = true; throw new CFException(); }
490	>
491	>	class FailingFunction extends CheckedIntegerAction
492	>	implements Function<Integer, Integer>
493	>	{
494	>	FailingFunction(ExecutionMode m) { super(m); }
495	>	public Integer apply(Integer x) {
496	>	invoked();
497	>	value = x;
498	>	throw new CFException();
499	>	}
500		}
501	<	static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> {
502	<	boolean ran;
503	<	public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); }
501	>
502	>	class FailingBiFunction extends CheckedIntegerAction
503	>	implements BiFunction<Integer, Integer, Integer>
504	>	{
505	>	FailingBiFunction(ExecutionMode m) { super(m); }
506	>	public Integer apply(Integer x, Integer y) {
507	>	invoked();
508	>	value = subtract(x, y);
509	>	throw new CFException();
510	>	}
511		}
512	<	static final class FailingNoop implements Runnable {
513	<	boolean ran;
514	<	public void run() { ran = true; throw new CFException(); }
512	>
513	>	class FailingRunnable extends CheckedAction implements Runnable {
514	>	FailingRunnable(ExecutionMode m) { super(m); }
515	>	public void run() {
516	>	invoked();
517	>	throw new CFException();
518	>	}
519		}
520
521	<	static final class CompletableFutureInc
522	<	implements Function<Integer, CompletableFuture<Integer>> {
523	<	boolean ran;
521	>	class CompletableFutureInc extends CheckedIntegerAction
522	>	implements Function<Integer, CompletableFuture<Integer>>
523	>	{
524	>	CompletableFutureInc(ExecutionMode m) { super(m); }
525		public CompletableFuture<Integer> apply(Integer x) {
526	<	ran = true;
526	>	invoked();
527	>	value = x;
528		CompletableFuture<Integer> f = new CompletableFuture<>();
529	<	f.complete(Integer.valueOf(x.intValue() + 1));
529	>	assertTrue(f.complete(inc(x)));
530		return f;
531		}
532		}
533
534	<	static final class FailingCompletableFutureFunction
535	<	implements Function<Integer, CompletableFuture<Integer>> {
536	<	boolean ran;
534	>	class FailingCompletableFutureFunction extends CheckedIntegerAction
535	>	implements Function<Integer, CompletableFuture<Integer>>
536	>	{
537	>	FailingCompletableFutureFunction(ExecutionMode m) { super(m); }
538		public CompletableFuture<Integer> apply(Integer x) {
539	<	ran = true; throw new CFException();
539	>	invoked();
540	>	value = x;
541	>	throw new CFException();
542		}
543		}
544
545		// Used for explicit executor tests
546		static final class ThreadExecutor implements Executor {
547	<	AtomicInteger count = new AtomicInteger(0);
547	>	final AtomicInteger count = new AtomicInteger(0);
548	>	static final ThreadGroup tg = new ThreadGroup("ThreadExecutor");
549	>	static boolean startedCurrentThread() {
550	>	return Thread.currentThread().getThreadGroup() == tg;
551	>	}
552
553		public void execute(Runnable r) {
554		count.getAndIncrement();
555	<	new Thread(r).start();
555	>	new Thread(tg, r).start();
556		}
557		}
558
559	<	static final class ExceptionToInteger implements Function<Throwable, Integer> {
560	<	public Integer apply(Throwable x) { return Integer.valueOf(3); }
442	<	}
443	<
444	<	static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> {
445	<	boolean ran;
446	<	public Integer apply(Integer x, Throwable t) {
447	<	ran = true;
448	<	return (t == null) ? two : three;
449	<	}
450	<	}
559	>	static final boolean defaultExecutorIsCommonPool
560	>	= ForkJoinPool.getCommonPoolParallelism() > 1;
561
562		/**
563		* Permits the testing of parallel code for the 3 different
564	<	* execution modes without repeating all the testing code.
564	>	* execution modes without copy/pasting all the test methods.
565		*/
566		enum ExecutionMode {
567	<	DEFAULT {
567	>	SYNC {
568	>	public void checkExecutionMode() {
569	>	assertFalse(ThreadExecutor.startedCurrentThread());
570	>	assertNull(ForkJoinTask.getPool());
571	>	}
572	>	public CompletableFuture<Void> runAsync(Runnable a) {
573	>	throw new UnsupportedOperationException();
574	>	}
575	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
576	>	throw new UnsupportedOperationException();
577	>	}
578	>	public <T> CompletableFuture<Void> thenRun
579	>	(CompletableFuture<T> f, Runnable a) {
580	>	return f.thenRun(a);
581	>	}
582	>	public <T> CompletableFuture<Void> thenAccept
583	>	(CompletableFuture<T> f, Consumer<? super T> a) {
584	>	return f.thenAccept(a);
585	>	}
586	>	public <T,U> CompletableFuture<U> thenApply
587	>	(CompletableFuture<T> f, Function<? super T,U> a) {
588	>	return f.thenApply(a);
589	>	}
590	>	public <T,U> CompletableFuture<U> thenCompose
591	>	(CompletableFuture<T> f,
592	>	Function<? super T,? extends CompletionStage<U>> a) {
593	>	return f.thenCompose(a);
594	>	}
595	>	public <T,U> CompletableFuture<U> handle
596	>	(CompletableFuture<T> f,
597	>	BiFunction<? super T,Throwable,? extends U> a) {
598	>	return f.handle(a);
599	>	}
600	>	public <T> CompletableFuture<T> whenComplete
601	>	(CompletableFuture<T> f,
602	>	BiConsumer<? super T,? super Throwable> a) {
603	>	return f.whenComplete(a);
604	>	}
605		public <T,U> CompletableFuture<Void> runAfterBoth
606		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
607		return f.runAfterBoth(g, a);
#	Line 471 | Line 618 | public class CompletableFutureTest exten
618		BiFunction<? super T,? super U,? extends V> a) {
619		return f.thenCombine(g, a);
620		}
621	<	public <T,U> CompletableFuture<U> applyToEither
621	>	public <T> CompletableFuture<Void> runAfterEither
622		(CompletableFuture<T> f,
623	<	CompletionStage<? extends T> g,
624	<	Function<? super T,U> a) {
625	<	return f.applyToEither(g, a);
623	>	CompletionStage<?> g,
624	>	java.lang.Runnable a) {
625	>	return f.runAfterEither(g, a);
626		}
627		public <T> CompletableFuture<Void> acceptEither
628		(CompletableFuture<T> f,
#	Line 483 | Line 630 | public class CompletableFutureTest exten
630		Consumer<? super T> a) {
631		return f.acceptEither(g, a);
632		}
633	<	public <T> CompletableFuture<Void> runAfterEither
633	>	public <T,U> CompletableFuture<U> applyToEither
634		(CompletableFuture<T> f,
635	<	CompletionStage<?> g,
636	<	java.lang.Runnable a) {
637	<	return f.runAfterEither(g, a);
635	>	CompletionStage<? extends T> g,
636	>	Function<? super T,U> a) {
637	>	return f.applyToEither(g, a);
638	>	}
639	>	},
640	>
641	>	ASYNC {
642	>	public void checkExecutionMode() {
643	>	// If tests are added that may run across different
644	>	// pools, this needs to be weakened to no-op.
645	>	ForkJoinPool p = ForkJoinTask.getPool();
646	>	assertTrue(p == null ||
647	>	(defaultExecutorIsCommonPool &&
648	>	p == ForkJoinPool.commonPool()));
649	>	}
650	>	public CompletableFuture<Void> runAsync(Runnable a) {
651	>	return CompletableFuture.runAsync(a);
652	>	}
653	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
654	>	return CompletableFuture.supplyAsync(a);
655	>	}
656	>	public <T> CompletableFuture<Void> thenRun
657	>	(CompletableFuture<T> f, Runnable a) {
658	>	return f.thenRunAsync(a);
659	>	}
660	>	public <T> CompletableFuture<Void> thenAccept
661	>	(CompletableFuture<T> f, Consumer<? super T> a) {
662	>	return f.thenAcceptAsync(a);
663	>	}
664	>	public <T,U> CompletableFuture<U> thenApply
665	>	(CompletableFuture<T> f, Function<? super T,U> a) {
666	>	return f.thenApplyAsync(a);
667		}
668		public <T,U> CompletableFuture<U> thenCompose
669		(CompletableFuture<T> f,
670		Function<? super T,? extends CompletionStage<U>> a) {
671	<	return f.thenCompose(a);
671	>	return f.thenComposeAsync(a);
672	>	}
673	>	public <T,U> CompletableFuture<U> handle
674	>	(CompletableFuture<T> f,
675	>	BiFunction<? super T,Throwable,? extends U> a) {
676	>	return f.handleAsync(a);
677		}
678		public <T> CompletableFuture<T> whenComplete
679		(CompletableFuture<T> f,
680		BiConsumer<? super T,? super Throwable> a) {
681	<	return f.whenComplete(a);
681	>	return f.whenCompleteAsync(a);
682		}
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 {
683		public <T,U> CompletableFuture<Void> runAfterBoth
684		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
685		return f.runAfterBothAsync(g, a);
#	Line 532 | Line 696 | public class CompletableFutureTest exten
696		BiFunction<? super T,? super U,? extends V> a) {
697		return f.thenCombineAsync(g, a);
698		}
699	<	public <T,U> CompletableFuture<U> applyToEither
699	>	public <T> CompletableFuture<Void> runAfterEither
700		(CompletableFuture<T> f,
701	<	CompletionStage<? extends T> g,
702	<	Function<? super T,U> a) {
703	<	return f.applyToEitherAsync(g, a);
701	>	CompletionStage<?> g,
702	>	java.lang.Runnable a) {
703	>	return f.runAfterEitherAsync(g, a);
704		}
705		public <T> CompletableFuture<Void> acceptEither
706		(CompletableFuture<T> f,
#	Line 544 | Line 708 | public class CompletableFutureTest exten
708		Consumer<? super T> a) {
709		return f.acceptEitherAsync(g, a);
710		}
711	<	public <T> CompletableFuture<Void> runAfterEither
711	>	public <T,U> CompletableFuture<U> applyToEither
712		(CompletableFuture<T> f,
713	<	CompletionStage<?> g,
714	<	java.lang.Runnable a) {
715	<	return f.runAfterEitherAsync(g, a);
713	>	CompletionStage<? extends T> g,
714	>	Function<? super T,U> a) {
715	>	return f.applyToEitherAsync(g, a);
716	>	}
717	>	},
718	>
719	>	EXECUTOR {
720	>	public void checkExecutionMode() {
721	>	assertTrue(ThreadExecutor.startedCurrentThread());
722	>	}
723	>	public CompletableFuture<Void> runAsync(Runnable a) {
724	>	return CompletableFuture.runAsync(a, new ThreadExecutor());
725	>	}
726	>	public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) {
727	>	return CompletableFuture.supplyAsync(a, new ThreadExecutor());
728	>	}
729	>	public <T> CompletableFuture<Void> thenRun
730	>	(CompletableFuture<T> f, Runnable a) {
731	>	return f.thenRunAsync(a, new ThreadExecutor());
732	>	}
733	>	public <T> CompletableFuture<Void> thenAccept
734	>	(CompletableFuture<T> f, Consumer<? super T> a) {
735	>	return f.thenAcceptAsync(a, new ThreadExecutor());
736	>	}
737	>	public <T,U> CompletableFuture<U> thenApply
738	>	(CompletableFuture<T> f, Function<? super T,U> a) {
739	>	return f.thenApplyAsync(a, new ThreadExecutor());
740		}
741		public <T,U> CompletableFuture<U> thenCompose
742		(CompletableFuture<T> f,
743		Function<? super T,? extends CompletionStage<U>> a) {
744	<	return f.thenComposeAsync(a);
744	>	return f.thenComposeAsync(a, new ThreadExecutor());
745	>	}
746	>	public <T,U> CompletableFuture<U> handle
747	>	(CompletableFuture<T> f,
748	>	BiFunction<? super T,Throwable,? extends U> a) {
749	>	return f.handleAsync(a, new ThreadExecutor());
750		}
751		public <T> CompletableFuture<T> whenComplete
752		(CompletableFuture<T> f,
753		BiConsumer<? super T,? super Throwable> a) {
754	<	return f.whenCompleteAsync(a);
754	>	return f.whenCompleteAsync(a, new ThreadExecutor());
755		}
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 {
756		public <T,U> CompletableFuture<Void> runAfterBoth
757		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) {
758		return f.runAfterBothAsync(g, a, new ThreadExecutor());
#	Line 592 | Line 769 | public class CompletableFutureTest exten
769		BiFunction<? super T,? super U,? extends V> a) {
770		return f.thenCombineAsync(g, a, new ThreadExecutor());
771		}
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	–	}
772		public <T> CompletableFuture<Void> runAfterEither
773		(CompletableFuture<T> f,
774		CompletionStage<?> g,
775		java.lang.Runnable a) {
776		return f.runAfterEitherAsync(g, a, new ThreadExecutor());
777		}
778	<	public <T,U> CompletableFuture<U> thenCompose
778	>	public <T> CompletableFuture<Void> acceptEither
779		(CompletableFuture<T> f,
780	<	Function<? super T,? extends CompletionStage<U>> a) {
781	<	return f.thenComposeAsync(a, new ThreadExecutor());
780	>	CompletionStage<? extends T> g,
781	>	Consumer<? super T> a) {
782	>	return f.acceptEitherAsync(g, a, new ThreadExecutor());
783		}
784	<	public <T> CompletableFuture<T> whenComplete
784	>	public <T,U> CompletableFuture<U> applyToEither
785		(CompletableFuture<T> f,
786	<	BiConsumer<? super T,? super Throwable> a) {
787	<	return f.whenCompleteAsync(a, new ThreadExecutor());
786	>	CompletionStage<? extends T> g,
787	>	Function<? super T,U> a) {
788	>	return f.applyToEitherAsync(g, a, new ThreadExecutor());
789		}
790		};
791
792	+	public abstract void checkExecutionMode();
793	+	public abstract CompletableFuture<Void> runAsync(Runnable a);
794	+	public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a);
795	+	public abstract <T> CompletableFuture<Void> thenRun
796	+	(CompletableFuture<T> f, Runnable a);
797	+	public abstract <T> CompletableFuture<Void> thenAccept
798	+	(CompletableFuture<T> f, Consumer<? super T> a);
799	+	public abstract <T,U> CompletableFuture<U> thenApply
800	+	(CompletableFuture<T> f, Function<? super T,U> a);
801	+	public abstract <T,U> CompletableFuture<U> thenCompose
802	+	(CompletableFuture<T> f,
803	+	Function<? super T,? extends CompletionStage<U>> a);
804	+	public abstract <T,U> CompletableFuture<U> handle
805	+	(CompletableFuture<T> f,
806	+	BiFunction<? super T,Throwable,? extends U> a);
807	+	public abstract <T> CompletableFuture<T> whenComplete
808	+	(CompletableFuture<T> f,
809	+	BiConsumer<? super T,? super Throwable> a);
810		public abstract <T,U> CompletableFuture<Void> runAfterBoth
811		(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a);
812		public abstract <T,U> CompletableFuture<Void> thenAcceptBoth
#	Line 632 | Line 817 | public class CompletableFutureTest exten
817		(CompletableFuture<T> f,
818		CompletionStage<? extends U> g,
819		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);
820		public abstract <T> CompletableFuture<Void> runAfterEither
821		(CompletableFuture<T> f,
822		CompletionStage<?> g,
823		java.lang.Runnable a);
824	<	public abstract <T,U> CompletableFuture<U> thenCompose
824	>	public abstract <T> CompletableFuture<Void> acceptEither
825		(CompletableFuture<T> f,
826	<	Function<? super T,? extends CompletionStage<U>> a);
827	<	public abstract <T> CompletableFuture<T> whenComplete
826	>	CompletionStage<? extends T> g,
827	>	Consumer<? super T> a);
828	>	public abstract <T,U> CompletableFuture<U> applyToEither
829		(CompletableFuture<T> f,
830	<	BiConsumer<? super T,? super Throwable> a);
831	<
654	<
655	<	}
656	<
657	<	/**
658	<	* exceptionally action completes with function value on source
659	<	* exception; otherwise with source value
660	<	*/
661	<	public void testExceptionally() {
662	<	CompletableFuture<Integer> f = new CompletableFuture<>();
663	<	ExceptionToInteger r = new ExceptionToInteger();
664	<	CompletableFuture<Integer> g = f.exceptionally(r);
665	<	f.completeExceptionally(new CFException());
666	<	checkCompletedNormally(g, three);
667	<
668	<	f = new CompletableFuture<>();
669	<	r = new ExceptionToInteger();
670	<	g = f.exceptionally(r);
671	<	f.complete(one);
672	<	checkCompletedNormally(g, one);
673	<	}
674	<
675	<	/**
676	<	* handle action completes normally with function value on either
677	<	* normal or exceptional completion of source
678	<	*/
679	<	public void testHandle() {
680	<	CompletableFuture<Integer> f, g;
681	<	IntegerHandler r;
682	<
683	<	f = new CompletableFuture<>();
684	<	f.completeExceptionally(new CFException());
685	<	g = f.handle(r = new IntegerHandler());
686	<	assertTrue(r.ran);
687	<	checkCompletedNormally(g, three);
688	<
689	<	f = new CompletableFuture<>();
690	<	g = f.handle(r = new IntegerHandler());
691	<	assertFalse(r.ran);
692	<	f.completeExceptionally(new CFException());
693	<	checkCompletedNormally(g, three);
694	<	assertTrue(r.ran);
695	<
696	<	f = new CompletableFuture<>();
697	<	f.complete(one);
698	<	g = f.handle(r = new IntegerHandler());
699	<	assertTrue(r.ran);
700	<	checkCompletedNormally(g, two);
701	<
702	<	f = new CompletableFuture<>();
703	<	g = f.handle(r = new IntegerHandler());
704	<	assertFalse(r.ran);
705	<	f.complete(one);
706	<	assertTrue(r.ran);
707	<	checkCompletedNormally(g, two);
708	<	}
709	<
710	<	/**
711	<	* runAsync completes after running Runnable
712	<	*/
713	<	public void testRunAsync() {
714	<	Noop r = new Noop();
715	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
716	<	assertNull(f.join());
717	<	assertTrue(r.ran);
718	<	checkCompletedNormally(f, null);
719	<	}
720	<
721	<	/**
722	<	* runAsync with executor completes after running Runnable
723	<	*/
724	<	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	<	}
733	<
734	<	/**
735	<	* failing runAsync completes exceptionally after running Runnable
736	<	*/
737	<	public void testRunAsync3() {
738	<	FailingNoop r = new FailingNoop();
739	<	CompletableFuture<Void> f = CompletableFuture.runAsync(r);
740	<	checkCompletedWithWrappedCFException(f);
741	<	assertTrue(r.ran);
742	<	}
743	<
744	<	/**
745	<	* supplyAsync completes with result of supplier
746	<	*/
747	<	public void testSupplyAsync() {
748	<	CompletableFuture<Integer> f;
749	<	f = CompletableFuture.supplyAsync(supplyOne);
750	<	assertEquals(f.join(), one);
751	<	checkCompletedNormally(f, one);
752	<	}
753	<
754	<	/**
755	<	* supplyAsync with executor completes with result of supplier
756	<	*/
757	<	public void testSupplyAsync2() {
758	<	CompletableFuture<Integer> f;
759	<	f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor());
760	<	assertEquals(f.join(), one);
761	<	checkCompletedNormally(f, one);
762	<	}
763	<
764	<	/**
765	<	* Failing supplyAsync completes exceptionally
766	<	*/
767	<	public void testSupplyAsync3() {
768	<	FailingSupplier r = new FailingSupplier();
769	<	CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r);
770	<	checkCompletedWithWrappedCFException(f);
771	<	assertTrue(r.ran);
830	>	CompletionStage<? extends T> g,
831	>	Function<? super T,U> a);
832		}
833
774	–	// seq completion methods
775	–
834		/**
835	<	* thenRun result completes normally after normal completion of source
835	>	* exceptionally action is not invoked when source completes
836	>	* normally, and source result is propagated
837		*/
838	<	public void testThenRun() {
839	<	CompletableFuture<Integer> f;
840	<	CompletableFuture<Void> g;
841	<	Noop r;
842	<
843	<	f = new CompletableFuture<>();
844	<	g = f.thenRun(r = new Noop());
845	<	f.complete(null);
846	<	checkCompletedNormally(g, null);
847	<	assertTrue(r.ran);
838	>	public void testExceptionally_normalCompletion() {
839	>	for (boolean createIncomplete : new boolean[] { true, false })
840	>	for (Integer v1 : new Integer[] { 1, null })
841	>	{
842	>	final AtomicInteger a = new AtomicInteger(0);
843	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
844	>	if (!createIncomplete) assertTrue(f.complete(v1));
845	>	final CompletableFuture<Integer> g = f.exceptionally
846	>	((Throwable t) -> {
847	>	a.getAndIncrement();
848	>	threadFail("should not be called");
849	>	return null;            // unreached
850	>	});
851	>	if (createIncomplete) assertTrue(f.complete(v1));
852
853	<	f = new CompletableFuture<>();
854	<	f.complete(null);
855	<	g = f.thenRun(r = new Noop());
856	<	checkCompletedNormally(g, null);
794	<	assertTrue(r.ran);
795	<	}
853	>	checkCompletedNormally(g, v1);
854	>	checkCompletedNormally(f, v1);
855	>	assertEquals(0, a.get());
856	>	}}
857
858		/**
859	<	* thenRun result completes exceptionally after exceptional
860	<	* completion of source
859	>	* exceptionally action completes with function value on source
860	>	* exception
861		*/
862	<	public void testThenRun2() {
863	<	CompletableFuture<Integer> f;
864	<	CompletableFuture<Void> g;
865	<	Noop r;
866	<
867	<	f = new CompletableFuture<>();
868	<	g = f.thenRun(r = new Noop());
869	<	f.completeExceptionally(new CFException());
870	<	checkCompletedWithWrappedCFException(g);
871	<	assertFalse(r.ran);
862	>	public void testExceptionally_exceptionalCompletion() {
863	>	for (boolean createIncomplete : new boolean[] { true, false })
864	>	for (Integer v1 : new Integer[] { 1, null })
865	>	{
866	>	final AtomicInteger a = new AtomicInteger(0);
867	>	final CFException ex = new CFException();
868	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
869	>	if (!createIncomplete) f.completeExceptionally(ex);
870	>	final CompletableFuture<Integer> g = f.exceptionally
871	>	((Throwable t) -> {
872	>	ExecutionMode.SYNC.checkExecutionMode();
873	>	threadAssertSame(t, ex);
874	>	a.getAndIncrement();
875	>	return v1;
876	>	});
877	>	if (createIncomplete) f.completeExceptionally(ex);
878
879	<	f = new CompletableFuture<>();
880	<	f.completeExceptionally(new CFException());
881	<	g = f.thenRun(r = new Noop());
815	<	checkCompletedWithWrappedCFException(g);
816	<	assertFalse(r.ran);
817	<	}
879	>	checkCompletedNormally(g, v1);
880	>	assertEquals(1, a.get());
881	>	}}
882
883		/**
884	<	* thenRun result completes exceptionally if action does
884	>	* If an "exceptionally action" throws an exception, it completes
885	>	* exceptionally with that exception
886		*/
887	<	public void testThenRun3() {
888	<	CompletableFuture<Integer> f;
889	<	CompletableFuture<Void> g;
890	<	FailingNoop r;
891	<
892	<	f = new CompletableFuture<>();
893	<	g = f.thenRun(r = new FailingNoop());
894	<	f.complete(null);
895	<	checkCompletedWithWrappedCFException(g);
887	>	public void testExceptionally_exceptionalCompletionActionFailed() {
888	>	for (boolean createIncomplete : new boolean[] { true, false })
889	>	{
890	>	final AtomicInteger a = new AtomicInteger(0);
891	>	final CFException ex1 = new CFException();
892	>	final CFException ex2 = new CFException();
893	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
894	>	if (!createIncomplete) f.completeExceptionally(ex1);
895	>	final CompletableFuture<Integer> g = f.exceptionally
896	>	((Throwable t) -> {
897	>	ExecutionMode.SYNC.checkExecutionMode();
898	>	threadAssertSame(t, ex1);
899	>	a.getAndIncrement();
900	>	throw ex2;
901	>	});
902	>	if (createIncomplete) f.completeExceptionally(ex1);
903
904	<	f = new CompletableFuture<>();
905	<	f.complete(null);
906	<	g = f.thenRun(r = new FailingNoop());
907	<	checkCompletedWithWrappedCFException(g);
836	<	}
904	>	checkCompletedWithWrappedException(g, ex2);
905	>	checkCompletedExceptionally(f, ex1);
906	>	assertEquals(1, a.get());
907	>	}}
908
909		/**
910	<	* thenRun result completes exceptionally if source cancelled
910	>	* whenComplete action executes on normal completion, propagating
911	>	* source result.
912		*/
913	<	public void testThenRun4() {
914	<	CompletableFuture<Integer> f;
915	<	CompletableFuture<Void> g;
916	<	Noop r;
917	<
918	<	f = new CompletableFuture<>();
919	<	g = f.thenRun(r = new Noop());
920	<	assertTrue(f.cancel(true));
921	<	checkCompletedWithWrappedCancellationException(g);
913	>	public void testWhenComplete_normalCompletion() {
914	>	for (ExecutionMode m : ExecutionMode.values())
915	>	for (boolean createIncomplete : new boolean[] { true, false })
916	>	for (Integer v1 : new Integer[] { 1, null })
917	>	{
918	>	final AtomicInteger a = new AtomicInteger(0);
919	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
920	>	if (!createIncomplete) assertTrue(f.complete(v1));
921	>	final CompletableFuture<Integer> g = m.whenComplete
922	>	(f,
923	>	(Integer result, Throwable t) -> {
924	>	m.checkExecutionMode();
925	>	threadAssertSame(result, v1);
926	>	threadAssertNull(t);
927	>	a.getAndIncrement();
928	>	});
929	>	if (createIncomplete) assertTrue(f.complete(v1));
930
931	<	f = new CompletableFuture<>();
932	<	assertTrue(f.cancel(true));
933	<	g = f.thenRun(r = new Noop());
934	<	checkCompletedWithWrappedCancellationException(g);
855	<	}
931	>	checkCompletedNormally(g, v1);
932	>	checkCompletedNormally(f, v1);
933	>	assertEquals(1, a.get());
934	>	}}
935
936		/**
937	<	* thenApply result completes normally after normal completion of source
937	>	* whenComplete action executes on exceptional completion, propagating
938	>	* source result.
939		*/
940	<	public void testThenApply() {
941	<	CompletableFuture<Integer> f = new CompletableFuture<>();
942	<	CompletableFuture<Integer> g = f.thenApply(inc);
943	<	f.complete(one);
944	<	checkCompletedNormally(g, two);
945	<	}
940	>	public void testWhenComplete_exceptionalCompletion() {
941	>	for (ExecutionMode m : ExecutionMode.values())
942	>	for (boolean createIncomplete : new boolean[] { true, false })
943	>	{
944	>	final AtomicInteger a = new AtomicInteger(0);
945	>	final CFException ex = new CFException();
946	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
947	>	if (!createIncomplete) f.completeExceptionally(ex);
948	>	final CompletableFuture<Integer> g = m.whenComplete
949	>	(f,
950	>	(Integer result, Throwable t) -> {
951	>	m.checkExecutionMode();
952	>	threadAssertNull(result);
953	>	threadAssertSame(t, ex);
954	>	a.getAndIncrement();
955	>	});
956	>	if (createIncomplete) f.completeExceptionally(ex);
957
958	<	/**
959	<	* thenApply result completes exceptionally after exceptional
960	<	* completion of source
961	<	*/
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	<	}
958	>	checkCompletedWithWrappedException(g, ex);
959	>	checkCompletedExceptionally(f, ex);
960	>	assertEquals(1, a.get());
961	>	}}
962
963		/**
964	<	* thenApply result completes exceptionally if action does
964	>	* whenComplete action executes on cancelled source, propagating
965	>	* CancellationException.
966		*/
967	<	public void testThenApply3() {
968	<	CompletableFuture<Integer> f = new CompletableFuture<>();
969	<	CompletableFuture<Integer> g = f.thenApply(new FailingFunction());
970	<	f.complete(one);
971	<	checkCompletedWithWrappedCFException(g);
972	<	}
967	>	public void testWhenComplete_sourceCancelled() {
968	>	for (ExecutionMode m : ExecutionMode.values())
969	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
970	>	for (boolean createIncomplete : new boolean[] { true, false })
971	>	{
972	>	final AtomicInteger a = new AtomicInteger(0);
973	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
974	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
975	>	final CompletableFuture<Integer> g = m.whenComplete
976	>	(f,
977	>	(Integer result, Throwable t) -> {
978	>	m.checkExecutionMode();
979	>	threadAssertNull(result);
980	>	threadAssertTrue(t instanceof CancellationException);
981	>	a.getAndIncrement();
982	>	});
983	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
984
888	–	/**
889	–	* thenApply result completes exceptionally if source cancelled
890	–	*/
891	–	public void testThenApply4() {
892	–	CompletableFuture<Integer> f = new CompletableFuture<>();
893	–	CompletableFuture<Integer> g = f.thenApply(inc);
894	–	assertTrue(f.cancel(true));
985		checkCompletedWithWrappedCancellationException(g);
986	<	}
987	<
988	<	/**
899	<	* thenAccept result completes normally after normal completion of source
900	<	*/
901	<	public void testThenAccept() {
902	<	CompletableFuture<Integer> f = new CompletableFuture<>();
903	<	IncAction r = new IncAction();
904	<	CompletableFuture<Void> g = f.thenAccept(r);
905	<	f.complete(one);
906	<	checkCompletedNormally(g, null);
907	<	assertEquals(r.value, (Integer) 2);
908	<	}
909	<
910	<	/**
911	<	* thenAccept result completes exceptionally after exceptional
912	<	* completion of source
913	<	*/
914	<	public void testThenAccept2() {
915	<	CompletableFuture<Integer> f = new CompletableFuture<>();
916	<	IncAction r = new IncAction();
917	<	CompletableFuture<Void> g = f.thenAccept(r);
918	<	f.completeExceptionally(new CFException());
919	<	checkCompletedWithWrappedCFException(g);
920	<	}
921	<
922	<	/**
923	<	* thenAccept result completes exceptionally if action does
924	<	*/
925	<	public void testThenAccept3() {
926	<	CompletableFuture<Integer> f = new CompletableFuture<>();
927	<	FailingConsumer r = new FailingConsumer();
928	<	CompletableFuture<Void> g = f.thenAccept(r);
929	<	f.complete(one);
930	<	checkCompletedWithWrappedCFException(g);
931	<	assertTrue(r.ran);
932	<	}
933	<
934	<	/**
935	<	* thenAccept result completes exceptionally if source cancelled
936	<	*/
937	<	public void testThenAccept4() {
938	<	CompletableFuture<Integer> f = new CompletableFuture<>();
939	<	IncAction r = new IncAction();
940	<	CompletableFuture<Void> g = f.thenAccept(r);
941	<	assertTrue(f.cancel(true));
942	<	checkCompletedWithWrappedCancellationException(g);
943	<	}
986	>	checkCancelled(f);
987	>	assertEquals(1, a.get());
988	>	}}
989
990		/**
991	<	* thenCombine result completes normally after normal completion
992	<	* of sources
991	>	* If a whenComplete action throws an exception when triggered by
992	>	* a normal completion, it completes exceptionally
993		*/
994	<	public void testThenCombine_normalCompletion1() {
994	>	public void testWhenComplete_sourceCompletedNormallyActionFailed() {
995	>	for (boolean createIncomplete : new boolean[] { true, false })
996		for (ExecutionMode m : ExecutionMode.values())
997		for (Integer v1 : new Integer[] { 1, null })
998	<	for (Integer v2 : new Integer[] { 2, null }) {
999	<
1000	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
955	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
956	<	final SubtractFunction r = new SubtractFunction();
957	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
958	<
959	<	f.complete(v1);
960	<	checkIncomplete(h);
961	<	assertEquals(r.invocationCount, 0);
962	<	g.complete(v2);
963	<
964	<	checkCompletedNormally(h, subtract(v1, v2));
965	<	checkCompletedNormally(f, v1);
966	<	checkCompletedNormally(g, v2);
967	<	assertEquals(r.invocationCount, 1);
968	<	}
969	<	}
970	<
971	<	public void testThenCombine_normalCompletion2() {
972	<	for (ExecutionMode m : ExecutionMode.values())
973	<	for (Integer v1 : new Integer[] { 1, null })
974	<	for (Integer v2 : new Integer[] { 2, null }) {
975	<
998	>	{
999	>	final AtomicInteger a = new AtomicInteger(0);
1000	>	final CFException ex = new CFException();
1001		final CompletableFuture<Integer> f = new CompletableFuture<>();
1002	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1003	<	final SubtractFunction r = new SubtractFunction();
1004	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1005	<
1006	<	g.complete(v2);
1007	<	checkIncomplete(h);
1008	<	assertEquals(r.invocationCount, 0);
1009	<	f.complete(v1);
1002	>	if (!createIncomplete) assertTrue(f.complete(v1));
1003	>	final CompletableFuture<Integer> g = m.whenComplete
1004	>	(f,
1005	>	(Integer result, Throwable t) -> {
1006	>	m.checkExecutionMode();
1007	>	threadAssertSame(result, v1);
1008	>	threadAssertNull(t);
1009	>	a.getAndIncrement();
1010	>	throw ex;
1011	>	});
1012	>	if (createIncomplete) assertTrue(f.complete(v1));
1013
1014	<	checkCompletedNormally(h, subtract(v1, v2));
1014	>	checkCompletedWithWrappedException(g, ex);
1015		checkCompletedNormally(f, v1);
1016	<	checkCompletedNormally(g, v2);
1017	<	assertEquals(r.invocationCount, 1);
990	<	}
991	<	}
1016	>	assertEquals(1, a.get());
1017	>	}}
1018
1019	<	public void testThenCombine_normalCompletion3() {
1019	>	/**
1020	>	* If a whenComplete action throws an exception when triggered by
1021	>	* a source completion that also throws an exception, the source
1022	>	* exception takes precedence (unlike handle)
1023	>	*/
1024	>	public void testWhenComplete_sourceFailedActionFailed() {
1025	>	for (boolean createIncomplete : new boolean[] { true, false })
1026		for (ExecutionMode m : ExecutionMode.values())
1027	<	for (Integer v1 : new Integer[] { 1, null })
1028	<	for (Integer v2 : new Integer[] { 2, null }) {
1029	<
1027	>	{
1028	>	final AtomicInteger a = new AtomicInteger(0);
1029	>	final CFException ex1 = new CFException();
1030	>	final CFException ex2 = new CFException();
1031		final CompletableFuture<Integer> f = new CompletableFuture<>();
999	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1000	–	final SubtractFunction r = new SubtractFunction();
1032
1033	<	g.complete(v2);
1034	<	f.complete(v1);
1035	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1033	>	if (!createIncomplete) f.completeExceptionally(ex1);
1034	>	final CompletableFuture<Integer> g = m.whenComplete
1035	>	(f,
1036	>	(Integer result, Throwable t) -> {
1037	>	m.checkExecutionMode();
1038	>	threadAssertSame(t, ex1);
1039	>	threadAssertNull(result);
1040	>	a.getAndIncrement();
1041	>	throw ex2;
1042	>	});
1043	>	if (createIncomplete) f.completeExceptionally(ex1);
1044
1045	<	checkCompletedNormally(h, subtract(v1, v2));
1046	<	checkCompletedNormally(f, v1);
1047	<	checkCompletedNormally(g, v2);
1048	<	assertEquals(r.invocationCount, 1);
1045	>	checkCompletedWithWrappedException(g, ex1);
1046	>	checkCompletedExceptionally(f, ex1);
1047	>	if (testImplementationDetails) {
1048	>	assertEquals(1, ex1.getSuppressed().length);
1049	>	assertSame(ex2, ex1.getSuppressed()[0]);
1050		}
1051	<	}
1051	>	assertEquals(1, a.get());
1052	>	}}
1053
1054	<	public void testThenCombine_normalCompletion4() {
1054	>	/**
1055	>	* handle action completes normally with function value on normal
1056	>	* completion of source
1057	>	*/
1058	>	public void testHandle_normalCompletion() {
1059		for (ExecutionMode m : ExecutionMode.values())
1060	+	for (boolean createIncomplete : new boolean[] { true, false })
1061		for (Integer v1 : new Integer[] { 1, null })
1062	<	for (Integer v2 : new Integer[] { 2, null }) {
1017	<
1062	>	{
1063		final CompletableFuture<Integer> f = new CompletableFuture<>();
1064	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1065	<	final SubtractFunction r = new SubtractFunction();
1066	<
1067	<	f.complete(v1);
1068	<	g.complete(v2);
1069	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1064	>	final AtomicInteger a = new AtomicInteger(0);
1065	>	if (!createIncomplete) assertTrue(f.complete(v1));
1066	>	final CompletableFuture<Integer> g = m.handle
1067	>	(f,
1068	>	(Integer result, Throwable t) -> {
1069	>	m.checkExecutionMode();
1070	>	threadAssertSame(result, v1);
1071	>	threadAssertNull(t);
1072	>	a.getAndIncrement();
1073	>	return inc(v1);
1074	>	});
1075	>	if (createIncomplete) assertTrue(f.complete(v1));
1076
1077	<	checkCompletedNormally(h, subtract(v1, v2));
1077	>	checkCompletedNormally(g, inc(v1));
1078		checkCompletedNormally(f, v1);
1079	<	checkCompletedNormally(g, v2);
1080	<	assertEquals(r.invocationCount, 1);
1030	<	}
1031	<	}
1079	>	assertEquals(1, a.get());
1080	>	}}
1081
1082		/**
1083	<	* thenCombine result completes exceptionally after exceptional
1084	<	* completion of either source
1083	>	* handle action completes normally with function value on
1084	>	* exceptional completion of source
1085		*/
1086	<	public void testThenCombine_exceptionalCompletion1() {
1086	>	public void testHandle_exceptionalCompletion() {
1087		for (ExecutionMode m : ExecutionMode.values())
1088	<	for (Integer v1 : new Integer[] { 1, null }) {
1089	<
1088	>	for (boolean createIncomplete : new boolean[] { true, false })
1089	>	for (Integer v1 : new Integer[] { 1, null })
1090	>	{
1091		final CompletableFuture<Integer> f = new CompletableFuture<>();
1092	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1043	<	final SubtractFunction r = new SubtractFunction();
1044	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1092	>	final AtomicInteger a = new AtomicInteger(0);
1093		final CFException ex = new CFException();
1094	+	if (!createIncomplete) f.completeExceptionally(ex);
1095	+	final CompletableFuture<Integer> g = m.handle
1096	+	(f,
1097	+	(Integer result, Throwable t) -> {
1098	+	m.checkExecutionMode();
1099	+	threadAssertNull(result);
1100	+	threadAssertSame(t, ex);
1101	+	a.getAndIncrement();
1102	+	return v1;
1103	+	});
1104	+	if (createIncomplete) f.completeExceptionally(ex);
1105
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);
1106		checkCompletedNormally(g, v1);
1107	<	}
1108	<	}
1107	>	checkCompletedExceptionally(f, ex);
1108	>	assertEquals(1, a.get());
1109	>	}}
1110
1111	<	public void testThenCombine_exceptionalCompletion2() {
1111	>	/**
1112	>	* handle action completes normally with function value on
1113	>	* cancelled source
1114	>	*/
1115	>	public void testHandle_sourceCancelled() {
1116		for (ExecutionMode m : ExecutionMode.values())
1117	<	for (Integer v1 : new Integer[] { 1, null }) {
1118	<
1117	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1118	>	for (boolean createIncomplete : new boolean[] { true, false })
1119	>	for (Integer v1 : new Integer[] { 1, null })
1120	>	{
1121		final CompletableFuture<Integer> f = new CompletableFuture<>();
1122	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1123	<	final SubtractFunction r = new SubtractFunction();
1124	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1125	<	final CFException ex = new CFException();
1126	<
1127	<	g.completeExceptionally(ex);
1128	<	checkIncomplete(h);
1129	<	f.complete(v1);
1122	>	final AtomicInteger a = new AtomicInteger(0);
1123	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1124	>	final CompletableFuture<Integer> g = m.handle
1125	>	(f,
1126	>	(Integer result, Throwable t) -> {
1127	>	m.checkExecutionMode();
1128	>	threadAssertNull(result);
1129	>	threadAssertTrue(t instanceof CancellationException);
1130	>	a.getAndIncrement();
1131	>	return v1;
1132	>	});
1133	>	if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
1134
1135	<	checkCompletedWithWrappedCFException(h, ex);
1136	<	checkCompletedWithWrappedCFException(g, ex);
1137	<	assertEquals(r.invocationCount, 0);
1138	<	checkCompletedNormally(f, v1);
1076	<	}
1077	<	}
1135	>	checkCompletedNormally(g, v1);
1136	>	checkCancelled(f);
1137	>	assertEquals(1, a.get());
1138	>	}}
1139
1140	<	public void testThenCombine_exceptionalCompletion3() {
1140	>	/**
1141	>	* If a "handle action" throws an exception when triggered by
1142	>	* a normal completion, it completes exceptionally
1143	>	*/
1144	>	public void testHandle_sourceCompletedNormallyActionFailed() {
1145		for (ExecutionMode m : ExecutionMode.values())
1146	<	for (Integer v1 : new Integer[] { 1, null }) {
1147	<
1146	>	for (boolean createIncomplete : new boolean[] { true, false })
1147	>	for (Integer v1 : new Integer[] { 1, null })
1148	>	{
1149		final CompletableFuture<Integer> f = new CompletableFuture<>();
1150	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1085	<	final SubtractFunction r = new SubtractFunction();
1150	>	final AtomicInteger a = new AtomicInteger(0);
1151		final CFException ex = new CFException();
1152	+	if (!createIncomplete) assertTrue(f.complete(v1));
1153	+	final CompletableFuture<Integer> g = m.handle
1154	+	(f,
1155	+	(Integer result, Throwable t) -> {
1156	+	m.checkExecutionMode();
1157	+	threadAssertSame(result, v1);
1158	+	threadAssertNull(t);
1159	+	a.getAndIncrement();
1160	+	throw ex;
1161	+	});
1162	+	if (createIncomplete) assertTrue(f.complete(v1));
1163
1164	<	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);
1164	>	checkCompletedWithWrappedException(g, ex);
1165		checkCompletedNormally(f, v1);
1166	<	}
1167	<	}
1166	>	assertEquals(1, a.get());
1167	>	}}
1168
1169	<	public void testThenCombine_exceptionalCompletion4() {
1169	>	/**
1170	>	* If a "handle action" throws an exception when triggered by
1171	>	* a source completion that also throws an exception, the action
1172	>	* exception takes precedence (unlike whenComplete)
1173	>	*/
1174	>	public void testHandle_sourceFailedActionFailed() {
1175	>	for (boolean createIncomplete : new boolean[] { true, false })
1176		for (ExecutionMode m : ExecutionMode.values())
1177	<	for (Integer v1 : new Integer[] { 1, null }) {
1178	<
1177	>	{
1178	>	final AtomicInteger a = new AtomicInteger(0);
1179	>	final CFException ex1 = new CFException();
1180	>	final CFException ex2 = new CFException();
1181		final CompletableFuture<Integer> f = new CompletableFuture<>();
1104	–	final CompletableFuture<Integer> g = new CompletableFuture<>();
1105	–	final SubtractFunction r = new SubtractFunction();
1106	–	final CFException ex = new CFException();
1182
1183	<	f.completeExceptionally(ex);
1184	<	g.complete(v1);
1185	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1183	>	if (!createIncomplete) f.completeExceptionally(ex1);
1184	>	final CompletableFuture<Integer> g = m.handle
1185	>	(f,
1186	>	(Integer result, Throwable t) -> {
1187	>	m.checkExecutionMode();
1188	>	threadAssertNull(result);
1189	>	threadAssertSame(ex1, t);
1190	>	a.getAndIncrement();
1191	>	throw ex2;
1192	>	});
1193	>	if (createIncomplete) f.completeExceptionally(ex1);
1194
1195	<	checkCompletedWithWrappedCFException(h, ex);
1196	<	checkCompletedWithWrappedCFException(f, ex);
1197	<	assertEquals(r.invocationCount, 0);
1198	<	checkCompletedNormally(g, v1);
1116	<	}
1117	<	}
1195	>	checkCompletedWithWrappedException(g, ex2);
1196	>	checkCompletedExceptionally(f, ex1);
1197	>	assertEquals(1, a.get());
1198	>	}}
1199
1200		/**
1201	<	* thenCombine result completes exceptionally if action does
1201	>	* runAsync completes after running Runnable
1202		*/
1203	<	public void testThenCombine_actionFailed1() {
1204	<	for (ExecutionMode m : ExecutionMode.values())
1205	<	for (Integer v1 : new Integer[] { 1, null })
1206	<	for (Integer v2 : new Integer[] { 2, null }) {
1207	<
1208	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1209	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1210	<	final FailingBiFunction r = new FailingBiFunction();
1211	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1212	<
1213	<	f.complete(v1);
1214	<	checkIncomplete(h);
1215	<	g.complete(v2);
1203	>	public void testRunAsync_normalCompletion() {
1204	>	ExecutionMode[] executionModes = {
1205	>	ExecutionMode.ASYNC,
1206	>	ExecutionMode.EXECUTOR,
1207	>	};
1208	>	for (ExecutionMode m : executionModes)
1209	>	{
1210	>	final Noop r = new Noop(m);
1211	>	final CompletableFuture<Void> f = m.runAsync(r);
1212	>	assertNull(f.join());
1213	>	checkCompletedNormally(f, null);
1214	>	r.assertInvoked();
1215	>	}}
1216
1217	<	checkCompletedWithWrappedCFException(h);
1218	<	checkCompletedNormally(f, v1);
1219	<	checkCompletedNormally(g, v2);
1220	<	}
1221	<	}
1217	>	/**
1218	>	* failing runAsync completes exceptionally after running Runnable
1219	>	*/
1220	>	public void testRunAsync_exceptionalCompletion() {
1221	>	ExecutionMode[] executionModes = {
1222	>	ExecutionMode.ASYNC,
1223	>	ExecutionMode.EXECUTOR,
1224	>	};
1225	>	for (ExecutionMode m : executionModes)
1226	>	{
1227	>	final FailingRunnable r = new FailingRunnable(m);
1228	>	final CompletableFuture<Void> f = m.runAsync(r);
1229	>	checkCompletedWithWrappedCFException(f);
1230	>	r.assertInvoked();
1231	>	}}
1232
1233	<	public void testThenCombine_actionFailed2() {
1234	<	for (ExecutionMode m : ExecutionMode.values())
1233	>	/**
1234	>	* supplyAsync completes with result of supplier
1235	>	*/
1236	>	public void testSupplyAsync_normalCompletion() {
1237	>	ExecutionMode[] executionModes = {
1238	>	ExecutionMode.ASYNC,
1239	>	ExecutionMode.EXECUTOR,
1240	>	};
1241	>	for (ExecutionMode m : executionModes)
1242		for (Integer v1 : new Integer[] { 1, null })
1243	<	for (Integer v2 : new Integer[] { 2, null }) {
1244	<
1245	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1246	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1149	<	final FailingBiFunction r = new FailingBiFunction();
1150	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1151	<
1152	<	g.complete(v2);
1153	<	checkIncomplete(h);
1154	<	f.complete(v1);
1155	<
1156	<	checkCompletedWithWrappedCFException(h);
1243	>	{
1244	>	final IntegerSupplier r = new IntegerSupplier(m, v1);
1245	>	final CompletableFuture<Integer> f = m.supplyAsync(r);
1246	>	assertSame(v1, f.join());
1247		checkCompletedNormally(f, v1);
1248	<	checkCompletedNormally(g, v2);
1249	<	}
1160	<	}
1248	>	r.assertInvoked();
1249	>	}}
1250
1251		/**
1252	<	* thenCombine result completes exceptionally if either source cancelled
1252	>	* Failing supplyAsync completes exceptionally
1253		*/
1254	<	public void testThenCombine_sourceCancelled1() {
1255	<	for (ExecutionMode m : ExecutionMode.values())
1256	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1257	<	for (Integer v1 : new Integer[] { 1, null }) {
1258	<
1259	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1260	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1261	<	final SubtractFunction r = new SubtractFunction();
1262	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1263	<
1264	<	assertTrue(f.cancel(mayInterruptIfRunning));
1265	<	checkIncomplete(h);
1177	<	g.complete(v1);
1254	>	public void testSupplyAsync_exceptionalCompletion() {
1255	>	ExecutionMode[] executionModes = {
1256	>	ExecutionMode.ASYNC,
1257	>	ExecutionMode.EXECUTOR,
1258	>	};
1259	>	for (ExecutionMode m : executionModes)
1260	>	{
1261	>	FailingSupplier r = new FailingSupplier(m);
1262	>	CompletableFuture<Integer> f = m.supplyAsync(r);
1263	>	checkCompletedWithWrappedCFException(f);
1264	>	r.assertInvoked();
1265	>	}}
1266
1267	<	checkCompletedWithWrappedCancellationException(h);
1180	<	checkCancelled(f);
1181	<	assertEquals(r.invocationCount, 0);
1182	<	checkCompletedNormally(g, v1);
1183	<	}
1184	<	}
1267	>	// seq completion methods
1268
1269	<	public void testThenCombine_sourceCancelled2() {
1269	>	/**
1270	>	* thenRun result completes normally after normal completion of source
1271	>	*/
1272	>	public void testThenRun_normalCompletion() {
1273		for (ExecutionMode m : ExecutionMode.values())
1274	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1275	<	for (Integer v1 : new Integer[] { 1, null }) {
1190	<
1274	>	for (Integer v1 : new Integer[] { 1, null })
1275	>	{
1276		final CompletableFuture<Integer> f = new CompletableFuture<>();
1277	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1278	<	final SubtractFunction r = new SubtractFunction();
1194	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1195	<
1196	<	assertTrue(g.cancel(mayInterruptIfRunning));
1197	<	checkIncomplete(h);
1198	<	f.complete(v1);
1277	>	final Noop[] rs = new Noop[6];
1278	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1279
1280	<	checkCompletedWithWrappedCancellationException(h);
1281	<	checkCancelled(g);
1282	<	assertEquals(r.invocationCount, 0);
1280	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1281	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1282	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1283	>	checkIncomplete(h0);
1284	>	checkIncomplete(h1);
1285	>	checkIncomplete(h2);
1286	>	assertTrue(f.complete(v1));
1287	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1288	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1289	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1290	>
1291	>	checkCompletedNormally(h0, null);
1292	>	checkCompletedNormally(h1, null);
1293	>	checkCompletedNormally(h2, null);
1294	>	checkCompletedNormally(h3, null);
1295	>	checkCompletedNormally(h4, null);
1296	>	checkCompletedNormally(h5, null);
1297		checkCompletedNormally(f, v1);
1298	<	}
1299	<	}
1298	>	for (Noop r : rs) r.assertInvoked();
1299	>	}}
1300
1301	<	public void testThenCombine_sourceCancelled3() {
1301	>	/**
1302	>	* thenRun result completes exceptionally after exceptional
1303	>	* completion of source
1304	>	*/
1305	>	public void testThenRun_exceptionalCompletion() {
1306		for (ExecutionMode m : ExecutionMode.values())
1307	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1308	<	for (Integer v1 : new Integer[] { 1, null }) {
1211	<
1307	>	{
1308	>	final CFException ex = new CFException();
1309		final CompletableFuture<Integer> f = new CompletableFuture<>();
1310	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1311	<	final SubtractFunction r = new SubtractFunction();
1215	<
1216	<	assertTrue(g.cancel(mayInterruptIfRunning));
1217	<	f.complete(v1);
1218	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1310	>	final Noop[] rs = new Noop[6];
1311	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1312
1313	<	checkCompletedWithWrappedCancellationException(h);
1314	<	checkCancelled(g);
1315	<	assertEquals(r.invocationCount, 0);
1316	<	checkCompletedNormally(f, v1);
1317	<	}
1318	<	}
1313	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1314	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1315	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1316	>	checkIncomplete(h0);
1317	>	checkIncomplete(h1);
1318	>	checkIncomplete(h2);
1319	>	assertTrue(f.completeExceptionally(ex));
1320	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1321	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1322	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1323	>
1324	>	checkCompletedWithWrappedException(h0, ex);
1325	>	checkCompletedWithWrappedException(h1, ex);
1326	>	checkCompletedWithWrappedException(h2, ex);
1327	>	checkCompletedWithWrappedException(h3, ex);
1328	>	checkCompletedWithWrappedException(h4, ex);
1329	>	checkCompletedWithWrappedException(h5, ex);
1330	>	checkCompletedExceptionally(f, ex);
1331	>	for (Noop r : rs) r.assertNotInvoked();
1332	>	}}
1333
1334	<	public void testThenCombine_sourceCancelled4() {
1334	>	/**
1335	>	* thenRun result completes exceptionally if source cancelled
1336	>	*/
1337	>	public void testThenRun_sourceCancelled() {
1338		for (ExecutionMode m : ExecutionMode.values())
1339		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1340	<	for (Integer v1 : new Integer[] { 1, null }) {
1231	<
1340	>	{
1341		final CompletableFuture<Integer> f = new CompletableFuture<>();
1342	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1343	<	final SubtractFunction r = new SubtractFunction();
1342	>	final Noop[] rs = new Noop[6];
1343	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
1344
1345	+	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1346	+	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1347	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1348	+	checkIncomplete(h0);
1349	+	checkIncomplete(h1);
1350	+	checkIncomplete(h2);
1351		assertTrue(f.cancel(mayInterruptIfRunning));
1352	<	g.complete(v1);
1353	<	final CompletableFuture<Integer> h = m.thenCombine(f, g, r);
1354	<
1355	<	checkCompletedWithWrappedCancellationException(h);
1352	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1353	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1354	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1355	>
1356	>	checkCompletedWithWrappedCancellationException(h0);
1357	>	checkCompletedWithWrappedCancellationException(h1);
1358	>	checkCompletedWithWrappedCancellationException(h2);
1359	>	checkCompletedWithWrappedCancellationException(h3);
1360	>	checkCompletedWithWrappedCancellationException(h4);
1361	>	checkCompletedWithWrappedCancellationException(h5);
1362		checkCancelled(f);
1363	<	assertEquals(r.invocationCount, 0);
1364	<	checkCompletedNormally(g, v1);
1244	<	}
1245	<	}
1363	>	for (Noop r : rs) r.assertNotInvoked();
1364	>	}}
1365
1366		/**
1367	<	* thenAcceptBoth result completes normally after normal
1249	<	* completion of sources
1367	>	* thenRun result completes exceptionally if action does
1368		*/
1369	<	public void testThenAcceptBoth_normalCompletion1() {
1252	<	for (ExecutionMode m : ExecutionMode.values())
1253	<	for (Integer v1 : new Integer[] { 1, null })
1254	<	for (Integer v2 : new Integer[] { 2, null }) {
1255	<
1256	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1257	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1258	<	final SubtractAction r = new SubtractAction();
1259	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1260	<
1261	<	f.complete(v1);
1262	<	checkIncomplete(h);
1263	<	assertFalse(r.ran());
1264	<	g.complete(v2);
1265	<
1266	<	checkCompletedNormally(h, null);
1267	<	assertEquals(r.value, subtract(v1, v2));
1268	<	checkCompletedNormally(f, v1);
1269	<	checkCompletedNormally(g, v2);
1270	<	}
1271	<	}
1272	<
1273	<	public void testThenAcceptBoth_normalCompletion2() {
1274	<	for (ExecutionMode m : ExecutionMode.values())
1275	<	for (Integer v1 : new Integer[] { 1, null })
1276	<	for (Integer v2 : new Integer[] { 2, null }) {
1277	<
1278	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1279	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1280	<	final SubtractAction r = new SubtractAction();
1281	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1282	<
1283	<	g.complete(v2);
1284	<	checkIncomplete(h);
1285	<	assertFalse(r.ran());
1286	<	f.complete(v1);
1287	<
1288	<	checkCompletedNormally(h, null);
1289	<	assertEquals(r.value, subtract(v1, v2));
1290	<	checkCompletedNormally(f, v1);
1291	<	checkCompletedNormally(g, v2);
1292	<	}
1293	<	}
1294	<
1295	<	public void testThenAcceptBoth_normalCompletion3() {
1369	>	public void testThenRun_actionFailed() {
1370		for (ExecutionMode m : ExecutionMode.values())
1371		for (Integer v1 : new Integer[] { 1, null })
1372	<	for (Integer v2 : new Integer[] { 2, null }) {
1299	<
1372	>	{
1373		final CompletableFuture<Integer> f = new CompletableFuture<>();
1374	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1375	<	final SubtractAction r = new SubtractAction();
1303	<
1304	<	g.complete(v2);
1305	<	f.complete(v1);
1306	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1374	>	final FailingRunnable[] rs = new FailingRunnable[6];
1375	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
1376
1377	<	checkCompletedNormally(h, null);
1378	<	assertEquals(r.value, subtract(v1, v2));
1377	>	final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]);
1378	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]);
1379	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]);
1380	>	assertTrue(f.complete(v1));
1381	>	final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]);
1382	>	final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]);
1383	>	final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]);
1384	>
1385	>	checkCompletedWithWrappedCFException(h0);
1386	>	checkCompletedWithWrappedCFException(h1);
1387	>	checkCompletedWithWrappedCFException(h2);
1388	>	checkCompletedWithWrappedCFException(h3);
1389	>	checkCompletedWithWrappedCFException(h4);
1390	>	checkCompletedWithWrappedCFException(h5);
1391		checkCompletedNormally(f, v1);
1392	<	checkCompletedNormally(g, v2);
1312	<	}
1313	<	}
1392	>	}}
1393
1394	<	public void testThenAcceptBoth_normalCompletion4() {
1394	>	/**
1395	>	* thenApply result completes normally after normal completion of source
1396	>	*/
1397	>	public void testThenApply_normalCompletion() {
1398		for (ExecutionMode m : ExecutionMode.values())
1399		for (Integer v1 : new Integer[] { 1, null })
1400	<	for (Integer v2 : new Integer[] { 2, null }) {
1319	<
1400	>	{
1401		final CompletableFuture<Integer> f = new CompletableFuture<>();
1402	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1403	<	final SubtractAction r = new SubtractAction();
1402	>	final IncFunction[] rs = new IncFunction[4];
1403	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1404
1405	<	f.complete(v1);
1406	<	g.complete(v2);
1407	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1405	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1406	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1407	>	checkIncomplete(h0);
1408	>	checkIncomplete(h1);
1409	>	assertTrue(f.complete(v1));
1410	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1411	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1412
1413	<	checkCompletedNormally(h, null);
1414	<	assertEquals(r.value, subtract(v1, v2));
1413	>	checkCompletedNormally(h0, inc(v1));
1414	>	checkCompletedNormally(h1, inc(v1));
1415	>	checkCompletedNormally(h2, inc(v1));
1416	>	checkCompletedNormally(h3, inc(v1));
1417		checkCompletedNormally(f, v1);
1418	<	checkCompletedNormally(g, v2);
1419	<	}
1333	<	}
1418	>	for (IncFunction r : rs) r.assertValue(inc(v1));
1419	>	}}
1420
1421		/**
1422	<	* thenAcceptBoth result completes exceptionally after exceptional
1423	<	* completion of either source
1422	>	* thenApply result completes exceptionally after exceptional
1423	>	* completion of source
1424		*/
1425	<	public void testThenAcceptBoth_exceptionalCompletion1() {
1425	>	public void testThenApply_exceptionalCompletion() {
1426		for (ExecutionMode m : ExecutionMode.values())
1427	<	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);
1427	>	{
1428		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() {
1361	–	for (ExecutionMode m : ExecutionMode.values())
1362	–	for (Integer v1 : new Integer[] { 1, null }) {
1363	–
1429		final CompletableFuture<Integer> f = new CompletableFuture<>();
1430	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1431	<	final SubtractAction r = new SubtractAction();
1367	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1368	<	final CFException ex = new CFException();
1369	<
1370	<	g.completeExceptionally(ex);
1371	<	checkIncomplete(h);
1372	<	f.complete(v1);
1430	>	final IncFunction[] rs = new IncFunction[4];
1431	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1432
1433	<	checkCompletedWithWrappedCFException(h, ex);
1434	<	checkCompletedWithWrappedCFException(g, ex);
1435	<	assertEquals(r.invocationCount, 0);
1436	<	checkCompletedNormally(f, v1);
1437	<	}
1438	<	}
1433	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1434	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1435	>	assertTrue(f.completeExceptionally(ex));
1436	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1437	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1438	>
1439	>	checkCompletedWithWrappedException(h0, ex);
1440	>	checkCompletedWithWrappedException(h1, ex);
1441	>	checkCompletedWithWrappedException(h2, ex);
1442	>	checkCompletedWithWrappedException(h3, ex);
1443	>	checkCompletedExceptionally(f, ex);
1444	>	for (IncFunction r : rs) r.assertNotInvoked();
1445	>	}}
1446
1447	<	public void testThenAcceptBoth_exceptionalCompletion3() {
1447	>	/**
1448	>	* thenApply result completes exceptionally if source cancelled
1449	>	*/
1450	>	public void testThenApply_sourceCancelled() {
1451		for (ExecutionMode m : ExecutionMode.values())
1452	<	for (Integer v1 : new Integer[] { 1, null }) {
1453	<
1452	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1453	>	{
1454		final CompletableFuture<Integer> f = new CompletableFuture<>();
1455	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1456	<	final SubtractAction r = new SubtractAction();
1388	<	final CFException ex = new CFException();
1455	>	final IncFunction[] rs = new IncFunction[4];
1456	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
1457
1458	<	g.completeExceptionally(ex);
1459	<	f.complete(v1);
1460	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1458	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1459	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1460	>	assertTrue(f.cancel(mayInterruptIfRunning));
1461	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1462	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1463
1464	<	checkCompletedWithWrappedCFException(h, ex);
1465	<	checkCompletedWithWrappedCFException(g, ex);
1466	<	assertEquals(r.invocationCount, 0);
1467	<	checkCompletedNormally(f, v1);
1468	<	}
1469	<	}
1464	>	checkCompletedWithWrappedCancellationException(h0);
1465	>	checkCompletedWithWrappedCancellationException(h1);
1466	>	checkCompletedWithWrappedCancellationException(h2);
1467	>	checkCompletedWithWrappedCancellationException(h3);
1468	>	checkCancelled(f);
1469	>	for (IncFunction r : rs) r.assertNotInvoked();
1470	>	}}
1471
1472	<	public void testThenAcceptBoth_exceptionalCompletion4() {
1472	>	/**
1473	>	* thenApply result completes exceptionally if action does
1474	>	*/
1475	>	public void testThenApply_actionFailed() {
1476		for (ExecutionMode m : ExecutionMode.values())
1477	<	for (Integer v1 : new Integer[] { 1, null }) {
1478	<
1477	>	for (Integer v1 : new Integer[] { 1, null })
1478	>	{
1479		final CompletableFuture<Integer> f = new CompletableFuture<>();
1480	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1481	<	final SubtractAction r = new SubtractAction();
1408	<	final CFException ex = new CFException();
1480	>	final FailingFunction[] rs = new FailingFunction[4];
1481	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
1482
1483	<	f.completeExceptionally(ex);
1484	<	g.complete(v1);
1485	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1483	>	final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]);
1484	>	final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]);
1485	>	assertTrue(f.complete(v1));
1486	>	final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]);
1487	>	final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]);
1488
1489	<	checkCompletedWithWrappedCFException(h, ex);
1490	<	checkCompletedWithWrappedCFException(f, ex);
1491	<	assertFalse(r.ran());
1492	<	checkCompletedNormally(g, v1);
1493	<	}
1494	<	}
1489	>	checkCompletedWithWrappedCFException(h0);
1490	>	checkCompletedWithWrappedCFException(h1);
1491	>	checkCompletedWithWrappedCFException(h2);
1492	>	checkCompletedWithWrappedCFException(h3);
1493	>	checkCompletedNormally(f, v1);
1494	>	}}
1495
1496		/**
1497	<	* thenAcceptBoth result completes exceptionally if action does
1497	>	* thenAccept result completes normally after normal completion of source
1498		*/
1499	<	public void testThenAcceptBoth_actionFailed1() {
1499	>	public void testThenAccept_normalCompletion() {
1500		for (ExecutionMode m : ExecutionMode.values())
1501		for (Integer v1 : new Integer[] { 1, null })
1502	<	for (Integer v2 : new Integer[] { 2, null }) {
1428	<
1502	>	{
1503		final CompletableFuture<Integer> f = new CompletableFuture<>();
1504	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1505	<	final FailingBiConsumer r = new FailingBiConsumer();
1432	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1504	>	final NoopConsumer[] rs = new NoopConsumer[4];
1505	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1506
1507	<	f.complete(v1);
1508	<	checkIncomplete(h);
1509	<	g.complete(v2);
1507	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1508	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1509	>	checkIncomplete(h0);
1510	>	checkIncomplete(h1);
1511	>	assertTrue(f.complete(v1));
1512	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1513	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1514
1515	<	checkCompletedWithWrappedCFException(h);
1515	>	checkCompletedNormally(h0, null);
1516	>	checkCompletedNormally(h1, null);
1517	>	checkCompletedNormally(h2, null);
1518	>	checkCompletedNormally(h3, null);
1519		checkCompletedNormally(f, v1);
1520	<	checkCompletedNormally(g, v2);
1521	<	}
1442	<	}
1520	>	for (NoopConsumer r : rs) r.assertValue(v1);
1521	>	}}
1522
1523	<	public void testThenAcceptBoth_actionFailed2() {
1523	>	/**
1524	>	* thenAccept result completes exceptionally after exceptional
1525	>	* completion of source
1526	>	*/
1527	>	public void testThenAccept_exceptionalCompletion() {
1528		for (ExecutionMode m : ExecutionMode.values())
1529	<	for (Integer v1 : new Integer[] { 1, null })
1530	<	for (Integer v2 : new Integer[] { 2, null }) {
1448	<
1529	>	{
1530	>	final CFException ex = new CFException();
1531		final CompletableFuture<Integer> f = new CompletableFuture<>();
1532	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1533	<	final FailingBiConsumer r = new FailingBiConsumer();
1452	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1453	<
1454	<	g.complete(v2);
1455	<	checkIncomplete(h);
1456	<	f.complete(v1);
1532	>	final NoopConsumer[] rs = new NoopConsumer[4];
1533	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1534
1535	<	checkCompletedWithWrappedCFException(h);
1536	<	checkCompletedNormally(f, v1);
1537	<	checkCompletedNormally(g, v2);
1538	<	}
1539	<	}
1535	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1536	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1537	>	assertTrue(f.completeExceptionally(ex));
1538	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1539	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1540	>
1541	>	checkCompletedWithWrappedException(h0, ex);
1542	>	checkCompletedWithWrappedException(h1, ex);
1543	>	checkCompletedWithWrappedException(h2, ex);
1544	>	checkCompletedWithWrappedException(h3, ex);
1545	>	checkCompletedExceptionally(f, ex);
1546	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1547	>	}}
1548
1549		/**
1550	<	* thenAcceptBoth result completes exceptionally if either source cancelled
1550	>	* thenAccept result completes exceptionally if source cancelled
1551		*/
1552	<	public void testThenAcceptBoth_sourceCancelled1() {
1552	>	public void testThenAccept_sourceCancelled() {
1553		for (ExecutionMode m : ExecutionMode.values())
1554		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1555	<	for (Integer v1 : new Integer[] { 1, null }) {
1471	<
1555	>	{
1556		final CompletableFuture<Integer> f = new CompletableFuture<>();
1557	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1558	<	final SubtractAction r = new SubtractAction();
1475	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1557	>	final NoopConsumer[] rs = new NoopConsumer[4];
1558	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
1559
1560	+	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1561	+	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1562		assertTrue(f.cancel(mayInterruptIfRunning));
1563	<	checkIncomplete(h);
1564	<	g.complete(v1);
1563	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1564	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1565
1566	<	checkCompletedWithWrappedCancellationException(h);
1566	>	checkCompletedWithWrappedCancellationException(h0);
1567	>	checkCompletedWithWrappedCancellationException(h1);
1568	>	checkCompletedWithWrappedCancellationException(h2);
1569	>	checkCompletedWithWrappedCancellationException(h3);
1570		checkCancelled(f);
1571	<	assertEquals(r.invocationCount, 0);
1572	<	checkCompletedNormally(g, v1);
1485	<	}
1486	<	}
1571	>	for (NoopConsumer r : rs) r.assertNotInvoked();
1572	>	}}
1573
1574	<	public void testThenAcceptBoth_sourceCancelled2() {
1574	>	/**
1575	>	* thenAccept result completes exceptionally if action does
1576	>	*/
1577	>	public void testThenAccept_actionFailed() {
1578		for (ExecutionMode m : ExecutionMode.values())
1579	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1580	<	for (Integer v1 : new Integer[] { 1, null }) {
1492	<
1579	>	for (Integer v1 : new Integer[] { 1, null })
1580	>	{
1581		final CompletableFuture<Integer> f = new CompletableFuture<>();
1582	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1583	<	final SubtractAction r = new SubtractAction();
1496	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1582	>	final FailingConsumer[] rs = new FailingConsumer[4];
1583	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
1584
1585	<	assertTrue(g.cancel(mayInterruptIfRunning));
1586	<	checkIncomplete(h);
1587	<	f.complete(v1);
1585	>	final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]);
1586	>	final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]);
1587	>	assertTrue(f.complete(v1));
1588	>	final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]);
1589	>	final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]);
1590
1591	<	checkCompletedWithWrappedCancellationException(h);
1592	<	checkCancelled(g);
1593	<	assertEquals(r.invocationCount, 0);
1591	>	checkCompletedWithWrappedCFException(h0);
1592	>	checkCompletedWithWrappedCFException(h1);
1593	>	checkCompletedWithWrappedCFException(h2);
1594	>	checkCompletedWithWrappedCFException(h3);
1595		checkCompletedNormally(f, v1);
1596	<	}
1507	<	}
1596	>	}}
1597
1598	<	public void testThenAcceptBoth_sourceCancelled3() {
1598	>	/**
1599	>	* thenCombine result completes normally after normal completion
1600	>	* of sources
1601	>	*/
1602	>	public void testThenCombine_normalCompletion() {
1603		for (ExecutionMode m : ExecutionMode.values())
1604	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1605	<	for (Integer v1 : new Integer[] { 1, null }) {
1606	<
1604	>	for (boolean fFirst : new boolean[] { true, false })
1605	>	for (Integer v1 : new Integer[] { 1, null })
1606	>	for (Integer v2 : new Integer[] { 2, null })
1607	>	{
1608		final CompletableFuture<Integer> f = new CompletableFuture<>();
1609		final CompletableFuture<Integer> g = new CompletableFuture<>();
1610	<	final SubtractAction r = new SubtractAction();
1611	<
1612	<	assertTrue(g.cancel(mayInterruptIfRunning));
1613	<	f.complete(v1);
1614	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1610	>	final SubtractFunction[] rs = new SubtractFunction[6];
1611	>	for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m);
1612	>
1613	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1614	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1615	>	final Integer w1 =  fFirst ? v1 : v2;
1616	>	final Integer w2 = !fFirst ? v1 : v2;
1617	>
1618	>	final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]);
1619	>	final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]);
1620	>	assertTrue(fst.complete(w1));
1621	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]);
1622	>	final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]);
1623	>	checkIncomplete(h0); rs[0].assertNotInvoked();
1624	>	checkIncomplete(h2); rs[2].assertNotInvoked();
1625	>	checkCompletedNormally(h1, subtract(w1, w1));
1626	>	checkCompletedNormally(h3, subtract(w1, w1));
1627	>	rs[1].assertValue(subtract(w1, w1));
1628	>	rs[3].assertValue(subtract(w1, w1));
1629	>	assertTrue(snd.complete(w2));
1630	>	final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]);
1631	>
1632	>	checkCompletedNormally(h0, subtract(v1, v2));
1633	>	checkCompletedNormally(h2, subtract(v1, v2));
1634	>	checkCompletedNormally(h4, subtract(v1, v2));
1635	>	rs[0].assertValue(subtract(v1, v2));
1636	>	rs[2].assertValue(subtract(v1, v2));
1637	>	rs[4].assertValue(subtract(v1, v2));
1638
1522	–	checkCompletedWithWrappedCancellationException(h);
1523	–	checkCancelled(g);
1524	–	assertEquals(r.invocationCount, 0);
1639		checkCompletedNormally(f, v1);
1640	<	}
1641	<	}
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	<
1534	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1535	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1536	<	final SubtractAction r = new SubtractAction();
1537	<
1538	<	assertTrue(f.cancel(mayInterruptIfRunning));
1539	<	g.complete(v1);
1540	<	final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r);
1541	<
1542	<	checkCompletedWithWrappedCancellationException(h);
1543	<	checkCancelled(f);
1544	<	assertEquals(r.invocationCount, 0);
1545	<	checkCompletedNormally(g, v1);
1546	<	}
1547	<	}
1640	>	checkCompletedNormally(g, v2);
1641	>	}}
1642
1643		/**
1644	<	* runAfterBoth result completes normally after normal
1645	<	* completion of sources
1644	>	* thenCombine result completes exceptionally after exceptional
1645	>	* completion of either source
1646		*/
1647	<	public void testRunAfterBoth_normalCompletion1() {
1647	>	public void testThenCombine_exceptionalCompletion() throws Throwable {
1648		for (ExecutionMode m : ExecutionMode.values())
1649	+	for (boolean fFirst : new boolean[] { true, false })
1650	+	for (boolean failFirst : new boolean[] { true, false })
1651		for (Integer v1 : new Integer[] { 1, null })
1652	<	for (Integer v2 : new Integer[] { 2, null }) {
1557	<
1652	>	{
1653		final CompletableFuture<Integer> f = new CompletableFuture<>();
1654		final CompletableFuture<Integer> g = new CompletableFuture<>();
1655	<	final Noop r = new Noop();
1656	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1657	<
1658	<	f.complete(v1);
1659	<	checkIncomplete(h);
1660	<	assertFalse(r.ran);
1661	<	g.complete(v2);
1662	<
1663	<	checkCompletedNormally(h, null);
1664	<	assertEquals(r.invocationCount, 1);
1665	<	checkCompletedNormally(f, v1);
1666	<	checkCompletedNormally(g, v2);
1667	<	}
1668	<	}
1655	>	final CFException ex = new CFException();
1656	>	final SubtractFunction r1 = new SubtractFunction(m);
1657	>	final SubtractFunction r2 = new SubtractFunction(m);
1658	>	final SubtractFunction r3 = new SubtractFunction(m);
1659	>
1660	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1661	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1662	>	final Callable<Boolean> complete1 = failFirst ?
1663	>	() -> fst.completeExceptionally(ex) :
1664	>	() -> fst.complete(v1);
1665	>	final Callable<Boolean> complete2 = failFirst ?
1666	>	() -> snd.complete(v1) :
1667	>	() -> snd.completeExceptionally(ex);
1668	>
1669	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1670	>	assertTrue(complete1.call());
1671	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1672	>	checkIncomplete(h1);
1673	>	checkIncomplete(h2);
1674	>	assertTrue(complete2.call());
1675	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1676	>
1677	>	checkCompletedWithWrappedException(h1, ex);
1678	>	checkCompletedWithWrappedException(h2, ex);
1679	>	checkCompletedWithWrappedException(h3, ex);
1680	>	r1.assertNotInvoked();
1681	>	r2.assertNotInvoked();
1682	>	r3.assertNotInvoked();
1683	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1684	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1685	>	}}
1686
1687	<	public void testRunAfterBoth_normalCompletion2() {
1687	>	/**
1688	>	* thenCombine result completes exceptionally if either source cancelled
1689	>	*/
1690	>	public void testThenCombine_sourceCancelled() throws Throwable {
1691		for (ExecutionMode m : ExecutionMode.values())
1692	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1693	+	for (boolean fFirst : new boolean[] { true, false })
1694	+	for (boolean failFirst : new boolean[] { true, false })
1695		for (Integer v1 : new Integer[] { 1, null })
1696	<	for (Integer v2 : new Integer[] { 2, null }) {
1579	<
1696	>	{
1697		final CompletableFuture<Integer> f = new CompletableFuture<>();
1698		final CompletableFuture<Integer> g = new CompletableFuture<>();
1699	<	final Noop r = new Noop();
1700	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1701	<
1702	<	g.complete(v2);
1703	<	checkIncomplete(h);
1704	<	assertFalse(r.ran);
1705	<	f.complete(v1);
1699	>	final SubtractFunction r1 = new SubtractFunction(m);
1700	>	final SubtractFunction r2 = new SubtractFunction(m);
1701	>	final SubtractFunction r3 = new SubtractFunction(m);
1702	>
1703	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1704	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1705	>	final Callable<Boolean> complete1 = failFirst ?
1706	>	() -> fst.cancel(mayInterruptIfRunning) :
1707	>	() -> fst.complete(v1);
1708	>	final Callable<Boolean> complete2 = failFirst ?
1709	>	() -> snd.complete(v1) :
1710	>	() -> snd.cancel(mayInterruptIfRunning);
1711	>
1712	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1713	>	assertTrue(complete1.call());
1714	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1715	>	checkIncomplete(h1);
1716	>	checkIncomplete(h2);
1717	>	assertTrue(complete2.call());
1718	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1719	>
1720	>	checkCompletedWithWrappedCancellationException(h1);
1721	>	checkCompletedWithWrappedCancellationException(h2);
1722	>	checkCompletedWithWrappedCancellationException(h3);
1723	>	r1.assertNotInvoked();
1724	>	r2.assertNotInvoked();
1725	>	r3.assertNotInvoked();
1726	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1727	>	checkCancelled(failFirst ? fst : snd);
1728	>	}}
1729
1730	<	checkCompletedNormally(h, null);
1731	<	assertEquals(r.invocationCount, 1);
1732	<	checkCompletedNormally(f, v1);
1733	<	checkCompletedNormally(g, v2);
1594	<	}
1595	<	}
1596	<
1597	<	public void testRunAfterBoth_normalCompletion3() {
1730	>	/**
1731	>	* thenCombine result completes exceptionally if action does
1732	>	*/
1733	>	public void testThenCombine_actionFailed() {
1734		for (ExecutionMode m : ExecutionMode.values())
1735	+	for (boolean fFirst : new boolean[] { true, false })
1736		for (Integer v1 : new Integer[] { 1, null })
1737	<	for (Integer v2 : new Integer[] { 2, null }) {
1738	<
1737	>	for (Integer v2 : new Integer[] { 2, null })
1738	>	{
1739		final CompletableFuture<Integer> f = new CompletableFuture<>();
1740		final CompletableFuture<Integer> g = new CompletableFuture<>();
1741	<	final Noop r = new Noop();
1741	>	final FailingBiFunction r1 = new FailingBiFunction(m);
1742	>	final FailingBiFunction r2 = new FailingBiFunction(m);
1743	>	final FailingBiFunction r3 = new FailingBiFunction(m);
1744
1745	<	g.complete(v2);
1746	<	f.complete(v1);
1747	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1745	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1746	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1747	>	final Integer w1 =  fFirst ? v1 : v2;
1748	>	final Integer w2 = !fFirst ? v1 : v2;
1749
1750	<	checkCompletedNormally(h, null);
1751	<	assertTrue(r.ran);
1750	>	final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1);
1751	>	assertTrue(fst.complete(w1));
1752	>	final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2);
1753	>	assertTrue(snd.complete(w2));
1754	>	final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3);
1755	>
1756	>	checkCompletedWithWrappedCFException(h1);
1757	>	checkCompletedWithWrappedCFException(h2);
1758	>	checkCompletedWithWrappedCFException(h3);
1759	>	r1.assertInvoked();
1760	>	r2.assertInvoked();
1761	>	r3.assertInvoked();
1762		checkCompletedNormally(f, v1);
1763		checkCompletedNormally(g, v2);
1764	<	}
1615	<	}
1764	>	}}
1765
1766	<	public void testRunAfterBoth_normalCompletion4() {
1766	>	/**
1767	>	* thenAcceptBoth result completes normally after normal
1768	>	* completion of sources
1769	>	*/
1770	>	public void testThenAcceptBoth_normalCompletion() {
1771		for (ExecutionMode m : ExecutionMode.values())
1772	+	for (boolean fFirst : new boolean[] { true, false })
1773		for (Integer v1 : new Integer[] { 1, null })
1774	<	for (Integer v2 : new Integer[] { 2, null }) {
1775	<
1774	>	for (Integer v2 : new Integer[] { 2, null })
1775	>	{
1776		final CompletableFuture<Integer> f = new CompletableFuture<>();
1777		final CompletableFuture<Integer> g = new CompletableFuture<>();
1778	<	final Noop r = new Noop();
1779	<
1780	<	f.complete(v1);
1781	<	g.complete(v2);
1782	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1783	<
1784	<	checkCompletedNormally(h, null);
1785	<	assertEquals(r.invocationCount, 1);
1778	>	final SubtractAction r1 = new SubtractAction(m);
1779	>	final SubtractAction r2 = new SubtractAction(m);
1780	>	final SubtractAction r3 = new SubtractAction(m);
1781	>
1782	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1783	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1784	>	final Integer w1 =  fFirst ? v1 : v2;
1785	>	final Integer w2 = !fFirst ? v1 : v2;
1786	>
1787	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1788	>	assertTrue(fst.complete(w1));
1789	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1790	>	checkIncomplete(h1);
1791	>	checkIncomplete(h2);
1792	>	r1.assertNotInvoked();
1793	>	r2.assertNotInvoked();
1794	>	assertTrue(snd.complete(w2));
1795	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1796	>
1797	>	checkCompletedNormally(h1, null);
1798	>	checkCompletedNormally(h2, null);
1799	>	checkCompletedNormally(h3, null);
1800	>	r1.assertValue(subtract(v1, v2));
1801	>	r2.assertValue(subtract(v1, v2));
1802	>	r3.assertValue(subtract(v1, v2));
1803		checkCompletedNormally(f, v1);
1804		checkCompletedNormally(g, v2);
1805	<	}
1635	<	}
1805	>	}}
1806
1807		/**
1808	<	* runAfterBoth result completes exceptionally after exceptional
1808	>	* thenAcceptBoth result completes exceptionally after exceptional
1809		* completion of either source
1810		*/
1811	<	public void testRunAfterBoth_exceptionalCompletion1() {
1811	>	public void testThenAcceptBoth_exceptionalCompletion() throws Throwable {
1812		for (ExecutionMode m : ExecutionMode.values())
1813	<	for (Integer v1 : new Integer[] { 1, null }) {
1814	<
1813	>	for (boolean fFirst : new boolean[] { true, false })
1814	>	for (boolean failFirst : new boolean[] { true, false })
1815	>	for (Integer v1 : new Integer[] { 1, null })
1816	>	{
1817		final CompletableFuture<Integer> f = new CompletableFuture<>();
1818		final CompletableFuture<Integer> g = new CompletableFuture<>();
1647	–	final Noop r = new Noop();
1648	–	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1819		final CFException ex = new CFException();
1820	+	final SubtractAction r1 = new SubtractAction(m);
1821	+	final SubtractAction r2 = new SubtractAction(m);
1822	+	final SubtractAction r3 = new SubtractAction(m);
1823	+
1824	+	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1825	+	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1826	+	final Callable<Boolean> complete1 = failFirst ?
1827	+	() -> fst.completeExceptionally(ex) :
1828	+	() -> fst.complete(v1);
1829	+	final Callable<Boolean> complete2 = failFirst ?
1830	+	() -> snd.complete(v1) :
1831	+	() -> snd.completeExceptionally(ex);
1832	+
1833	+	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1834	+	assertTrue(complete1.call());
1835	+	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1836	+	checkIncomplete(h1);
1837	+	checkIncomplete(h2);
1838	+	assertTrue(complete2.call());
1839	+	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1840	+
1841	+	checkCompletedWithWrappedException(h1, ex);
1842	+	checkCompletedWithWrappedException(h2, ex);
1843	+	checkCompletedWithWrappedException(h3, ex);
1844	+	r1.assertNotInvoked();
1845	+	r2.assertNotInvoked();
1846	+	r3.assertNotInvoked();
1847	+	checkCompletedNormally(failFirst ? snd : fst, v1);
1848	+	checkCompletedExceptionally(failFirst ? fst : snd, ex);
1849	+	}}
1850
1851	<	f.completeExceptionally(ex);
1852	<	checkIncomplete(h);
1853	<	g.complete(v1);
1854	<
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() {
1851	>	/**
1852	>	* thenAcceptBoth result completes exceptionally if either source cancelled
1853	>	*/
1854	>	public void testThenAcceptBoth_sourceCancelled() throws Throwable {
1855		for (ExecutionMode m : ExecutionMode.values())
1856	<	for (Integer v1 : new Integer[] { 1, null }) {
1857	<
1856	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1857	>	for (boolean fFirst : new boolean[] { true, false })
1858	>	for (boolean failFirst : new boolean[] { true, false })
1859	>	for (Integer v1 : new Integer[] { 1, null })
1860	>	{
1861		final CompletableFuture<Integer> f = new CompletableFuture<>();
1862		final CompletableFuture<Integer> g = new CompletableFuture<>();
1863	<	final Noop r = new Noop();
1864	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1865	<	final CFException ex = new CFException();
1866	<
1867	<	g.completeExceptionally(ex);
1868	<	checkIncomplete(h);
1869	<	f.complete(v1);
1863	>	final SubtractAction r1 = new SubtractAction(m);
1864	>	final SubtractAction r2 = new SubtractAction(m);
1865	>	final SubtractAction r3 = new SubtractAction(m);
1866	>
1867	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1868	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1869	>	final Callable<Boolean> complete1 = failFirst ?
1870	>	() -> fst.cancel(mayInterruptIfRunning) :
1871	>	() -> fst.complete(v1);
1872	>	final Callable<Boolean> complete2 = failFirst ?
1873	>	() -> snd.complete(v1) :
1874	>	() -> snd.cancel(mayInterruptIfRunning);
1875	>
1876	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1877	>	assertTrue(complete1.call());
1878	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1879	>	checkIncomplete(h1);
1880	>	checkIncomplete(h2);
1881	>	assertTrue(complete2.call());
1882	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1883	>
1884	>	checkCompletedWithWrappedCancellationException(h1);
1885	>	checkCompletedWithWrappedCancellationException(h2);
1886	>	checkCompletedWithWrappedCancellationException(h3);
1887	>	r1.assertNotInvoked();
1888	>	r2.assertNotInvoked();
1889	>	r3.assertNotInvoked();
1890	>	checkCompletedNormally(failFirst ? snd : fst, v1);
1891	>	checkCancelled(failFirst ? fst : snd);
1892	>	}}
1893
1894	<	checkCompletedWithWrappedCFException(h, ex);
1895	<	checkCompletedWithWrappedCFException(g, ex);
1896	<	assertEquals(r.invocationCount, 0);
1897	<	checkCompletedNormally(f, v1);
1680	<	}
1681	<	}
1682	<
1683	<	public void testRunAfterBoth_exceptionalCompletion3() {
1894	>	/**
1895	>	* thenAcceptBoth result completes exceptionally if action does
1896	>	*/
1897	>	public void testThenAcceptBoth_actionFailed() {
1898		for (ExecutionMode m : ExecutionMode.values())
1899	<	for (Integer v1 : new Integer[] { 1, null }) {
1900	<
1899	>	for (boolean fFirst : new boolean[] { true, false })
1900	>	for (Integer v1 : new Integer[] { 1, null })
1901	>	for (Integer v2 : new Integer[] { 2, null })
1902	>	{
1903		final CompletableFuture<Integer> f = new CompletableFuture<>();
1904		final CompletableFuture<Integer> g = new CompletableFuture<>();
1905	<	final Noop r = new Noop();
1906	<	final CFException ex = new CFException();
1907	<
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	<	}
1905	>	final FailingBiConsumer r1 = new FailingBiConsumer(m);
1906	>	final FailingBiConsumer r2 = new FailingBiConsumer(m);
1907	>	final FailingBiConsumer r3 = new FailingBiConsumer(m);
1908
1909	<	public void testRunAfterBoth_exceptionalCompletion4() {
1910	<	for (ExecutionMode m : ExecutionMode.values())
1911	<	for (Integer v1 : new Integer[] { 1, null }) {
1912	<
1707	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
1708	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
1709	<	final Noop r = new Noop();
1710	<	final CFException ex = new CFException();
1909	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1910	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1911	>	final Integer w1 =  fFirst ? v1 : v2;
1912	>	final Integer w2 = !fFirst ? v1 : v2;
1913
1914	<	f.completeExceptionally(ex);
1915	<	g.complete(v1);
1916	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1914	>	final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1);
1915	>	assertTrue(fst.complete(w1));
1916	>	final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2);
1917	>	assertTrue(snd.complete(w2));
1918	>	final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3);
1919
1920	<	checkCompletedWithWrappedCFException(h, ex);
1921	<	checkCompletedWithWrappedCFException(f, ex);
1922	<	assertEquals(r.invocationCount, 0);
1923	<	checkCompletedNormally(g, v1);
1924	<	}
1925	<	}
1920	>	checkCompletedWithWrappedCFException(h1);
1921	>	checkCompletedWithWrappedCFException(h2);
1922	>	checkCompletedWithWrappedCFException(h3);
1923	>	r1.assertInvoked();
1924	>	r2.assertInvoked();
1925	>	r3.assertInvoked();
1926	>	checkCompletedNormally(f, v1);
1927	>	checkCompletedNormally(g, v2);
1928	>	}}
1929
1930		/**
1931	<	* runAfterBoth result completes exceptionally if action does
1931	>	* runAfterBoth result completes normally after normal
1932	>	* completion of sources
1933		*/
1934	<	public void testRunAfterBoth_actionFailed1() {
1934	>	public void testRunAfterBoth_normalCompletion() {
1935		for (ExecutionMode m : ExecutionMode.values())
1936	+	for (boolean fFirst : new boolean[] { true, false })
1937		for (Integer v1 : new Integer[] { 1, null })
1938	<	for (Integer v2 : new Integer[] { 2, null }) {
1939	<
1938	>	for (Integer v2 : new Integer[] { 2, null })
1939	>	{
1940		final CompletableFuture<Integer> f = new CompletableFuture<>();
1941		final CompletableFuture<Integer> g = new CompletableFuture<>();
1942	<	final FailingNoop r = new FailingNoop();
1943	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1944	<
1945	<	f.complete(v1);
1946	<	checkIncomplete(h);
1947	<	g.complete(v2);
1948	<
1949	<	checkCompletedWithWrappedCFException(h);
1942	>	final Noop r1 = new Noop(m);
1943	>	final Noop r2 = new Noop(m);
1944	>	final Noop r3 = new Noop(m);
1945	>
1946	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1947	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1948	>	final Integer w1 =  fFirst ? v1 : v2;
1949	>	final Integer w2 = !fFirst ? v1 : v2;
1950	>
1951	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1952	>	assertTrue(fst.complete(w1));
1953	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
1954	>	checkIncomplete(h1);
1955	>	checkIncomplete(h2);
1956	>	r1.assertNotInvoked();
1957	>	r2.assertNotInvoked();
1958	>	assertTrue(snd.complete(w2));
1959	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
1960	>
1961	>	checkCompletedNormally(h1, null);
1962	>	checkCompletedNormally(h2, null);
1963	>	checkCompletedNormally(h3, null);
1964	>	r1.assertInvoked();
1965	>	r2.assertInvoked();
1966	>	r3.assertInvoked();
1967		checkCompletedNormally(f, v1);
1968		checkCompletedNormally(g, v2);
1969	<	}
1744	<	}
1969	>	}}
1970
1971	<	public void testRunAfterBoth_actionFailed2() {
1971	>	/**
1972	>	* runAfterBoth result completes exceptionally after exceptional
1973	>	* completion of either source
1974	>	*/
1975	>	public void testRunAfterBoth_exceptionalCompletion() throws Throwable {
1976		for (ExecutionMode m : ExecutionMode.values())
1977	+	for (boolean fFirst : new boolean[] { true, false })
1978	+	for (boolean failFirst : new boolean[] { true, false })
1979		for (Integer v1 : new Integer[] { 1, null })
1980	<	for (Integer v2 : new Integer[] { 2, null }) {
1750	<
1980	>	{
1981		final CompletableFuture<Integer> f = new CompletableFuture<>();
1982		final CompletableFuture<Integer> g = new CompletableFuture<>();
1983	<	final FailingNoop r = new FailingNoop();
1984	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
1985	<
1986	<	g.complete(v2);
1987	<	checkIncomplete(h);
1988	<	f.complete(v1);
1989	<
1990	<	checkCompletedWithWrappedCFException(h);
1991	<	checkCompletedNormally(f, v1);
1992	<	checkCompletedNormally(g, v2);
1993	<	}
1994	<	}
1983	>	final CFException ex = new CFException();
1984	>	final Noop r1 = new Noop(m);
1985	>	final Noop r2 = new Noop(m);
1986	>	final Noop r3 = new Noop(m);
1987	>
1988	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
1989	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
1990	>	final Callable<Boolean> complete1 = failFirst ?
1991	>	() -> fst.completeExceptionally(ex) :
1992	>	() -> fst.complete(v1);
1993	>	final Callable<Boolean> complete2 = failFirst ?
1994	>	() -> snd.complete(v1) :
1995	>	() -> snd.completeExceptionally(ex);
1996	>
1997	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
1998	>	assertTrue(complete1.call());
1999	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2000	>	checkIncomplete(h1);
2001	>	checkIncomplete(h2);
2002	>	assertTrue(complete2.call());
2003	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2004	>
2005	>	checkCompletedWithWrappedException(h1, ex);
2006	>	checkCompletedWithWrappedException(h2, ex);
2007	>	checkCompletedWithWrappedException(h3, ex);
2008	>	r1.assertNotInvoked();
2009	>	r2.assertNotInvoked();
2010	>	r3.assertNotInvoked();
2011	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2012	>	checkCompletedExceptionally(failFirst ? fst : snd, ex);
2013	>	}}
2014
2015		/**
2016		* runAfterBoth result completes exceptionally if either source cancelled
2017		*/
2018	<	public void testRunAfterBoth_sourceCancelled1() {
2018	>	public void testRunAfterBoth_sourceCancelled() throws Throwable {
2019		for (ExecutionMode m : ExecutionMode.values())
2020		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2021	<	for (Integer v1 : new Integer[] { 1, null }) {
2022	<
2021	>	for (boolean fFirst : new boolean[] { true, false })
2022	>	for (boolean failFirst : new boolean[] { true, false })
2023	>	for (Integer v1 : new Integer[] { 1, null })
2024	>	{
2025		final CompletableFuture<Integer> f = new CompletableFuture<>();
2026		final CompletableFuture<Integer> g = new CompletableFuture<>();
2027	<	final Noop r = new Noop();
2028	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2029	<
2030	<	assertTrue(f.cancel(mayInterruptIfRunning));
2031	<	checkIncomplete(h);
2032	<	g.complete(v1);
2027	>	final Noop r1 = new Noop(m);
2028	>	final Noop r2 = new Noop(m);
2029	>	final Noop r3 = new Noop(m);
2030	>
2031	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2032	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2033	>	final Callable<Boolean> complete1 = failFirst ?
2034	>	() -> fst.cancel(mayInterruptIfRunning) :
2035	>	() -> fst.complete(v1);
2036	>	final Callable<Boolean> complete2 = failFirst ?
2037	>	() -> snd.complete(v1) :
2038	>	() -> snd.cancel(mayInterruptIfRunning);
2039	>
2040	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2041	>	assertTrue(complete1.call());
2042	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2043	>	checkIncomplete(h1);
2044	>	checkIncomplete(h2);
2045	>	assertTrue(complete2.call());
2046	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2047	>
2048	>	checkCompletedWithWrappedCancellationException(h1);
2049	>	checkCompletedWithWrappedCancellationException(h2);
2050	>	checkCompletedWithWrappedCancellationException(h3);
2051	>	r1.assertNotInvoked();
2052	>	r2.assertNotInvoked();
2053	>	r3.assertNotInvoked();
2054	>	checkCompletedNormally(failFirst ? snd : fst, v1);
2055	>	checkCancelled(failFirst ? fst : snd);
2056	>	}}
2057
2058	<	checkCompletedWithWrappedCancellationException(h);
2059	<	checkCancelled(f);
2060	<	assertEquals(r.invocationCount, 0);
2061	<	checkCompletedNormally(g, v1);
1787	<	}
1788	<	}
1789	<
1790	<	public void testRunAfterBoth_sourceCancelled2() {
2058	>	/**
2059	>	* runAfterBoth result completes exceptionally if action does
2060	>	*/
2061	>	public void testRunAfterBoth_actionFailed() {
2062		for (ExecutionMode m : ExecutionMode.values())
2063	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2064	<	for (Integer v1 : new Integer[] { 1, null }) {
2065	<
2063	>	for (boolean fFirst : new boolean[] { true, false })
2064	>	for (Integer v1 : new Integer[] { 1, null })
2065	>	for (Integer v2 : new Integer[] { 2, null })
2066	>	{
2067		final CompletableFuture<Integer> f = new CompletableFuture<>();
2068		final CompletableFuture<Integer> g = new CompletableFuture<>();
2069	<	final Noop r = new Noop();
2070	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2071	<
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	<	}
1810	<
1811	<	public void testRunAfterBoth_sourceCancelled3() {
1812	<	for (ExecutionMode m : ExecutionMode.values())
1813	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
1814	<	for (Integer v1 : new Integer[] { 1, null }) {
2069	>	final FailingRunnable r1 = new FailingRunnable(m);
2070	>	final FailingRunnable r2 = new FailingRunnable(m);
2071	>	final FailingRunnable r3 = new FailingRunnable(m);
2072
2073	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2074	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2075	<	final Noop r = new Noop();
2073	>	final CompletableFuture<Integer> fst =  fFirst ? f : g;
2074	>	final CompletableFuture<Integer> snd = !fFirst ? f : g;
2075	>	final Integer w1 =  fFirst ? v1 : v2;
2076	>	final Integer w2 = !fFirst ? v1 : v2;
2077
2078	<	assertTrue(g.cancel(mayInterruptIfRunning));
2079	<	f.complete(v1);
2080	<	final CompletableFuture<Void> h = m.runAfterBoth(f, g, r);
2078	>	final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1);
2079	>	assertTrue(fst.complete(w1));
2080	>	final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2);
2081	>	assertTrue(snd.complete(w2));
2082	>	final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3);
2083
2084	<	checkCompletedWithWrappedCancellationException(h);
2085	<	checkCancelled(g);
2086	<	assertEquals(r.invocationCount, 0);
2084	>	checkCompletedWithWrappedCFException(h1);
2085	>	checkCompletedWithWrappedCFException(h2);
2086	>	checkCompletedWithWrappedCFException(h3);
2087	>	r1.assertInvoked();
2088	>	r2.assertInvoked();
2089	>	r3.assertInvoked();
2090		checkCompletedNormally(f, v1);
2091	<	}
2092	<	}
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	<	}
2091	>	checkCompletedNormally(g, v2);
2092	>	}}
2093
2094		/**
2095		* applyToEither result completes normally after normal completion
2096		* of either source
2097		*/
2098	<	public void testApplyToEither_normalCompletion1() {
2098	>	public void testApplyToEither_normalCompletion() {
2099		for (ExecutionMode m : ExecutionMode.values())
2100		for (Integer v1 : new Integer[] { 1, null })
2101	<	for (Integer v2 : new Integer[] { 2, null }) {
2102	<
2101	>	for (Integer v2 : new Integer[] { 2, null })
2102	>	{
2103		final CompletableFuture<Integer> f = new CompletableFuture<>();
2104		final CompletableFuture<Integer> g = new CompletableFuture<>();
2105	<	final IncFunction r = new IncFunction();
2106	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2105	>	final IncFunction[] rs = new IncFunction[6];
2106	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2107
2108	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2109	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2110	+	checkIncomplete(h0);
2111	+	checkIncomplete(h1);
2112	+	rs[0].assertNotInvoked();
2113	+	rs[1].assertNotInvoked();
2114		f.complete(v1);
2115	<	checkCompletedNormally(h, inc(v1));
2116	<	g.complete(v2);
2117	<
2118	<	checkCompletedNormally(f, v1);
2119	<	checkCompletedNormally(g, v2);
2120	<	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	<
2115	>	checkCompletedNormally(h0, inc(v1));
2116	>	checkCompletedNormally(h1, inc(v1));
2117	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2118	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2119	>	checkCompletedNormally(h2, inc(v1));
2120	>	checkCompletedNormally(h3, inc(v1));
2121		g.complete(v2);
1886	–	checkCompletedNormally(h, inc(v2));
1887	–	f.complete(v1);
2122
2123	<	checkCompletedNormally(f, v1);
2124	<	checkCompletedNormally(g, v2);
2125	<	checkCompletedNormally(h, inc(v2));
2126	<	}
2127	<	}
2128	<	public void testApplyToEither_normalCompletion3() {
2129	<	for (ExecutionMode m : ExecutionMode.values())
2130	<	for (Integer v1 : new Integer[] { 1, null })
2131	<	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);
2123	>	// unspecified behavior - both source completions available
2124	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2125	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2126	>	rs[4].assertValue(h4.join());
2127	>	rs[5].assertValue(h5.join());
2128	>	assertTrue(Objects.equals(inc(v1), h4.join()) ||
2129	>	Objects.equals(inc(v2), h4.join()));
2130	>	assertTrue(Objects.equals(inc(v1), h5.join()) ||
2131	>	Objects.equals(inc(v2), h5.join()));
2132
2133		checkCompletedNormally(f, v1);
2134		checkCompletedNormally(g, v2);
2135	<
2136	<	// unspecified behavior
2137	<	assertTrue(Objects.equals(h.join(), inc(v1)) ||
2138	<	Objects.equals(h.join(), inc(v2)));
2139	<	assertEquals(r.invocationCount, 1);
2140	<	}
1915	<	}
2135	>	checkCompletedNormally(h0, inc(v1));
2136	>	checkCompletedNormally(h1, inc(v1));
2137	>	checkCompletedNormally(h2, inc(v1));
2138	>	checkCompletedNormally(h3, inc(v1));
2139	>	for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1));
2140	>	}}
2141
2142		/**
2143		* applyToEither result completes exceptionally after exceptional
2144		* completion of either source
2145		*/
2146	<	public void testApplyToEither_exceptionalCompletion1() {
2146	>	public void testApplyToEither_exceptionalCompletion() {
2147		for (ExecutionMode m : ExecutionMode.values())
2148	<	for (Integer v1 : new Integer[] { 1, null }) {
2149	<
2148	>	for (Integer v1 : new Integer[] { 1, null })
2149	>	{
2150		final CompletableFuture<Integer> f = new CompletableFuture<>();
2151		final CompletableFuture<Integer> g = new CompletableFuture<>();
1927	–	final IncFunction r = new IncFunction();
1928	–	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2152		final CFException ex = new CFException();
2153	+	final IncFunction[] rs = new IncFunction[6];
2154	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2155
2156	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2157	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2158	+	checkIncomplete(h0);
2159	+	checkIncomplete(h1);
2160	+	rs[0].assertNotInvoked();
2161	+	rs[1].assertNotInvoked();
2162		f.completeExceptionally(ex);
2163	<	checkCompletedWithWrappedCFException(h, ex);
2163	>	checkCompletedWithWrappedException(h0, ex);
2164	>	checkCompletedWithWrappedException(h1, ex);
2165	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2166	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2167	>	checkCompletedWithWrappedException(h2, ex);
2168	>	checkCompletedWithWrappedException(h3, ex);
2169		g.complete(v1);
2170
2171	<	assertEquals(r.invocationCount, 0);
2172	<	checkCompletedNormally(g, v1);
2173	<	checkCompletedWithWrappedCFException(f, ex);
2174	<	checkCompletedWithWrappedCFException(h, ex);
2175	<	}
2176	<	}
2177	<
2178	<	public void testApplyToEither_exceptionalCompletion2() {
2179	<	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);
2171	>	// unspecified behavior - both source completions available
2172	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2173	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2174	>	try {
2175	>	assertEquals(inc(v1), h4.join());
2176	>	rs[4].assertValue(inc(v1));
2177	>	} catch (CompletionException ok) {
2178	>	checkCompletedWithWrappedException(h4, ex);
2179	>	rs[4].assertNotInvoked();
2180		}
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;
2181		try {
2182	<	assertEquals(h.join(), inc(v1));
2183	<	assertEquals(r.invocationCount, 1);
2182	>	assertEquals(inc(v1), h5.join());
2183	>	rs[5].assertValue(inc(v1));
2184		} catch (CompletionException ok) {
2185	<	checkCompletedWithWrappedCFException(h, ex);
2186	<	assertEquals(r.invocationCount, 0);
2185	>	checkCompletedWithWrappedException(h5, ex);
2186	>	rs[5].assertNotInvoked();
2187		}
2188
2189	<	checkCompletedWithWrappedCFException(g, ex);
2190	<	checkCompletedNormally(f, v1);
2191	<	}
2192	<	}
2189	>	checkCompletedExceptionally(f, ex);
2190	>	checkCompletedNormally(g, v1);
2191	>	checkCompletedWithWrappedException(h0, ex);
2192	>	checkCompletedWithWrappedException(h1, ex);
2193	>	checkCompletedWithWrappedException(h2, ex);
2194	>	checkCompletedWithWrappedException(h3, ex);
2195	>	checkCompletedWithWrappedException(h4, ex);
2196	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2197	>	}}
2198
2199	<	public void testApplyToEither_exceptionalCompletion4() {
2199	>	public void testApplyToEither_exceptionalCompletion2() {
2200		for (ExecutionMode m : ExecutionMode.values())
2201	<	for (Integer v1 : new Integer[] { 1, null }) {
2202	<
2201	>	for (boolean fFirst : new boolean[] { true, false })
2202	>	for (Integer v1 : new Integer[] { 1, null })
2203	>	{
2204		final CompletableFuture<Integer> f = new CompletableFuture<>();
2205		final CompletableFuture<Integer> g = new CompletableFuture<>();
1997	–	final IncFunction r = new IncFunction();
2206		final CFException ex = new CFException();
2207	+	final IncFunction[] rs = new IncFunction[6];
2208	+	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2209
2210	<	f.completeExceptionally(ex);
2211	<	g.complete(v1);
2212	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2210	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2211	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2212	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2213	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2214	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2215	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2216
2217	<	// unspecified behavior
2005	<	Integer v;
2217	>	// unspecified behavior - both source completions available
2218		try {
2219	<	assertEquals(h.join(), inc(v1));
2220	<	assertEquals(r.invocationCount, 1);
2219	>	assertEquals(inc(v1), h0.join());
2220	>	rs[0].assertValue(inc(v1));
2221		} catch (CompletionException ok) {
2222	<	checkCompletedWithWrappedCFException(h, ex);
2223	<	assertEquals(r.invocationCount, 0);
2222	>	checkCompletedWithWrappedException(h0, ex);
2223	>	rs[0].assertNotInvoked();
2224		}
2225	<
2226	<	checkCompletedWithWrappedCFException(f, ex);
2227	<	checkCompletedNormally(g, v1);
2225	>	try {
2226	>	assertEquals(inc(v1), h1.join());
2227	>	rs[1].assertValue(inc(v1));
2228	>	} catch (CompletionException ok) {
2229	>	checkCompletedWithWrappedException(h1, ex);
2230	>	rs[1].assertNotInvoked();
2231		}
2232	<	}
2233	<
2234	<	/**
2235	<	* applyToEither result completes exceptionally if action does
2236	<	*/
2237	<	public void testApplyToEither_actionFailed1() {
2238	<	for (ExecutionMode m : ExecutionMode.values())
2239	<	for (Integer v1 : new Integer[] { 1, null })
2240	<	for (Integer v2 : new Integer[] { 2, null }) {
2241	<
2242	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2243	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2244	<	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);
2232	>	try {
2233	>	assertEquals(inc(v1), h2.join());
2234	>	rs[2].assertValue(inc(v1));
2235	>	} catch (CompletionException ok) {
2236	>	checkCompletedWithWrappedException(h2, ex);
2237	>	rs[2].assertNotInvoked();
2238	>	}
2239	>	try {
2240	>	assertEquals(inc(v1), h3.join());
2241	>	rs[3].assertValue(inc(v1));
2242	>	} catch (CompletionException ok) {
2243	>	checkCompletedWithWrappedException(h3, ex);
2244	>	rs[3].assertNotInvoked();
2245		}
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);
2246
2050	–	g.complete(v2);
2051	–	checkCompletedWithWrappedCFException(h);
2052	–	f.complete(v1);
2247		checkCompletedNormally(f, v1);
2248	<	checkCompletedNormally(g, v2);
2249	<	}
2056	<	}
2248	>	checkCompletedExceptionally(g, ex);
2249	>	}}
2250
2251		/**
2252		* applyToEither result completes exceptionally if either source cancelled
2253		*/
2254	<	public void testApplyToEither_sourceCancelled1() {
2254	>	public void testApplyToEither_sourceCancelled() {
2255		for (ExecutionMode m : ExecutionMode.values())
2256		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2257	<	for (Integer v1 : new Integer[] { 1, null }) {
2258	<
2257	>	for (Integer v1 : new Integer[] { 1, null })
2258	>	{
2259		final CompletableFuture<Integer> f = new CompletableFuture<>();
2260		final CompletableFuture<Integer> g = new CompletableFuture<>();
2261	<	final IncFunction r = new IncFunction();
2262	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2261	>	final IncFunction[] rs = new IncFunction[6];
2262	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2263
2264	<	assertTrue(f.cancel(mayInterruptIfRunning));
2265	<	checkCompletedWithWrappedCancellationException(h);
2264	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2265	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2266	>	checkIncomplete(h0);
2267	>	checkIncomplete(h1);
2268	>	rs[0].assertNotInvoked();
2269	>	rs[1].assertNotInvoked();
2270	>	f.cancel(mayInterruptIfRunning);
2271	>	checkCompletedWithWrappedCancellationException(h0);
2272	>	checkCompletedWithWrappedCancellationException(h1);
2273	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2274	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2275	>	checkCompletedWithWrappedCancellationException(h2);
2276	>	checkCompletedWithWrappedCancellationException(h3);
2277		g.complete(v1);
2278
2279	+	// unspecified behavior - both source completions available
2280	+	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2281	+	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2282	+	try {
2283	+	assertEquals(inc(v1), h4.join());
2284	+	rs[4].assertValue(inc(v1));
2285	+	} catch (CompletionException ok) {
2286	+	checkCompletedWithWrappedCancellationException(h4);
2287	+	rs[4].assertNotInvoked();
2288	+	}
2289	+	try {
2290	+	assertEquals(inc(v1), h5.join());
2291	+	rs[5].assertValue(inc(v1));
2292	+	} catch (CompletionException ok) {
2293	+	checkCompletedWithWrappedCancellationException(h5);
2294	+	rs[5].assertNotInvoked();
2295	+	}
2296	+
2297		checkCancelled(f);
2076	–	assertEquals(r.invocationCount, 0);
2298		checkCompletedNormally(g, v1);
2299	<	checkCompletedWithWrappedCancellationException(h);
2300	<	}
2301	<	}
2299	>	checkCompletedWithWrappedCancellationException(h0);
2300	>	checkCompletedWithWrappedCancellationException(h1);
2301	>	checkCompletedWithWrappedCancellationException(h2);
2302	>	checkCompletedWithWrappedCancellationException(h3);
2303	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2304	>	}}
2305
2306		public void testApplyToEither_sourceCancelled2() {
2307		for (ExecutionMode m : ExecutionMode.values())
2308		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2309	<	for (Integer v1 : new Integer[] { 1, null }) {
2310	<
2309	>	for (boolean fFirst : new boolean[] { true, false })
2310	>	for (Integer v1 : new Integer[] { 1, null })
2311	>	{
2312		final CompletableFuture<Integer> f = new CompletableFuture<>();
2313		final CompletableFuture<Integer> g = new CompletableFuture<>();
2314	<	final IncFunction r = new IncFunction();
2315	<	final CompletableFuture<Integer> h = m.applyToEither(f, g, r);
2314	>	final IncFunction[] rs = new IncFunction[6];
2315	>	for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m);
2316
2317	<	assertTrue(g.cancel(mayInterruptIfRunning));
2318	<	checkCompletedWithWrappedCancellationException(h);
2319	<	f.complete(v1);
2317	>	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2318	>	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2319	>	assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2320	>	assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning));
2321	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2322	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2323
2324	<	checkCancelled(g);
2325	<	assertEquals(r.invocationCount, 0);
2326	<	checkCompletedNormally(f, v1);
2327	<	checkCompletedWithWrappedCancellationException(h);
2324	>	// unspecified behavior - both source completions available
2325	>	try {
2326	>	assertEquals(inc(v1), h0.join());
2327	>	rs[0].assertValue(inc(v1));
2328	>	} catch (CompletionException ok) {
2329	>	checkCompletedWithWrappedCancellationException(h0);
2330	>	rs[0].assertNotInvoked();
2331		}
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;
2332		try {
2333	<	assertEquals(h.join(), inc(v1));
2334	<	assertEquals(r.invocationCount, 1);
2333	>	assertEquals(inc(v1), h1.join());
2334	>	rs[1].assertValue(inc(v1));
2335		} catch (CompletionException ok) {
2336	<	checkCompletedWithWrappedCancellationException(h);
2337	<	assertEquals(r.invocationCount, 0);
2336	>	checkCompletedWithWrappedCancellationException(h1);
2337	>	rs[1].assertNotInvoked();
2338		}
2339	<
2340	<	checkCancelled(g);
2341	<	checkCompletedNormally(f, v1);
2339	>	try {
2340	>	assertEquals(inc(v1), h2.join());
2341	>	rs[2].assertValue(inc(v1));
2342	>	} catch (CompletionException ok) {
2343	>	checkCompletedWithWrappedCancellationException(h2);
2344	>	rs[2].assertNotInvoked();
2345		}
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;
2346		try {
2347	<	assertEquals(h.join(), inc(v1));
2348	<	assertEquals(r.invocationCount, 1);
2347	>	assertEquals(inc(v1), h3.join());
2348	>	rs[3].assertValue(inc(v1));
2349		} catch (CompletionException ok) {
2350	<	checkCompletedWithWrappedCancellationException(h);
2351	<	assertEquals(r.invocationCount, 0);
2350	>	checkCompletedWithWrappedCancellationException(h3);
2351	>	rs[3].assertNotInvoked();
2352		}
2353
2354	<	checkCancelled(f);
2355	<	checkCompletedNormally(g, v1);
2356	<	}
2157	<	}
2354	>	checkCompletedNormally(f, v1);
2355	>	checkCancelled(g);
2356	>	}}
2357
2358		/**
2359	<	* acceptEither result completes normally after normal completion
2161	<	* of either source
2359	>	* applyToEither result completes exceptionally if action does
2360		*/
2361	<	public void testAcceptEither_normalCompletion1() {
2361	>	public void testApplyToEither_actionFailed() {
2362		for (ExecutionMode m : ExecutionMode.values())
2363		for (Integer v1 : new Integer[] { 1, null })
2364	<	for (Integer v2 : new Integer[] { 2, null }) {
2365	<
2364	>	for (Integer v2 : new Integer[] { 2, null })
2365	>	{
2366		final CompletableFuture<Integer> f = new CompletableFuture<>();
2367		final CompletableFuture<Integer> g = new CompletableFuture<>();
2368	<	final IncAction r = new IncAction();
2369	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2368	>	final FailingFunction[] rs = new FailingFunction[6];
2369	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m);
2370
2371	+	final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]);
2372	+	final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]);
2373		f.complete(v1);
2374	<	checkCompletedNormally(h, null);
2375	<	assertEquals(r.value, inc(v1));
2376	<	g.complete(v2);
2374	>	final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]);
2375	>	final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]);
2376	>	checkCompletedWithWrappedCFException(h0);
2377	>	checkCompletedWithWrappedCFException(h1);
2378	>	checkCompletedWithWrappedCFException(h2);
2379	>	checkCompletedWithWrappedCFException(h3);
2380	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2381
2382	<	checkCompletedNormally(f, v1);
2179	<	checkCompletedNormally(g, v2);
2180	<	checkCompletedNormally(h, null);
2181	<	}
2182	<	}
2183	<
2184	<	public void testAcceptEither_normalCompletion2() {
2185	<	for (ExecutionMode m : ExecutionMode.values())
2186	<	for (Integer v1 : new Integer[] { 1, null })
2187	<	for (Integer v2 : new Integer[] { 2, null }) {
2382	>	g.complete(v2);
2383
2384	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2385	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2386	<	final IncAction r = new IncAction();
2192	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2384	>	// unspecified behavior - both source completions available
2385	>	final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]);
2386	>	final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]);
2387
2388	<	g.complete(v2);
2389	<	checkCompletedNormally(h, null);
2390	<	assertEquals(r.value, inc(v2));
2391	<	f.complete(v1);
2388	>	checkCompletedWithWrappedCFException(h4);
2389	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2390	>	Objects.equals(v2, rs[4].value));
2391	>	checkCompletedWithWrappedCFException(h5);
2392	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2393	>	Objects.equals(v2, rs[5].value));
2394
2395		checkCompletedNormally(f, v1);
2396		checkCompletedNormally(g, v2);
2397	<	checkCompletedNormally(h, null);
2398	<	}
2399	<	}
2400	<	public void testAcceptEither_normalCompletion3() {
2397	>	}}
2398	>
2399	>	/**
2400	>	* acceptEither result completes normally after normal completion
2401	>	* of either source
2402	>	*/
2403	>	public void testAcceptEither_normalCompletion() {
2404		for (ExecutionMode m : ExecutionMode.values())
2405		for (Integer v1 : new Integer[] { 1, null })
2406	<	for (Integer v2 : new Integer[] { 2, null }) {
2407	<
2406	>	for (Integer v2 : new Integer[] { 2, null })
2407	>	{
2408		final CompletableFuture<Integer> f = new CompletableFuture<>();
2409		final CompletableFuture<Integer> g = new CompletableFuture<>();
2410	<	final IncAction r = new IncAction();
2411	<
2412	<	f.complete(v1);
2413	<	g.complete(v2);
2414	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2410	>	final NoopConsumer[] rs = new NoopConsumer[6];
2411	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2412	>
2413	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2414	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2415	>	checkIncomplete(h0);
2416	>	checkIncomplete(h1);
2417	>	rs[0].assertNotInvoked();
2418	>	rs[1].assertNotInvoked();
2419	>	f.complete(v1);
2420	>	checkCompletedNormally(h0, null);
2421	>	checkCompletedNormally(h1, null);
2422	>	rs[0].assertValue(v1);
2423	>	rs[1].assertValue(v1);
2424	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2425	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2426	>	checkCompletedNormally(h2, null);
2427	>	checkCompletedNormally(h3, null);
2428	>	rs[2].assertValue(v1);
2429	>	rs[3].assertValue(v1);
2430	>	g.complete(v2);
2431	>
2432	>	// unspecified behavior - both source completions available
2433	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2434	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2435	>	checkCompletedNormally(h4, null);
2436	>	checkCompletedNormally(h5, null);
2437	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2438	>	Objects.equals(v2, rs[4].value));
2439	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2440	>	Objects.equals(v2, rs[5].value));
2441
2217	–	checkCompletedNormally(h, null);
2442		checkCompletedNormally(f, v1);
2443		checkCompletedNormally(g, v2);
2444	<
2445	<	// unspecified behavior
2446	<	assertTrue(Objects.equals(r.value, inc(v1)) ||
2447	<	Objects.equals(r.value, inc(v2)));
2448	<	}
2449	<	}
2444	>	checkCompletedNormally(h0, null);
2445	>	checkCompletedNormally(h1, null);
2446	>	checkCompletedNormally(h2, null);
2447	>	checkCompletedNormally(h3, null);
2448	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2449	>	}}
2450
2451		/**
2452		* acceptEither result completes exceptionally after exceptional
2453		* completion of either source
2454		*/
2455	<	public void testAcceptEither_exceptionalCompletion1() {
2455	>	public void testAcceptEither_exceptionalCompletion() {
2456		for (ExecutionMode m : ExecutionMode.values())
2457	<	for (Integer v1 : new Integer[] { 1, null }) {
2458	<
2457	>	for (Integer v1 : new Integer[] { 1, null })
2458	>	{
2459		final CompletableFuture<Integer> f = new CompletableFuture<>();
2460		final CompletableFuture<Integer> g = new CompletableFuture<>();
2237	–	final IncAction r = new IncAction();
2238	–	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2461		final CFException ex = new CFException();
2462	+	final NoopConsumer[] rs = new NoopConsumer[6];
2463	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2464
2465	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2466	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2467	+	checkIncomplete(h0);
2468	+	checkIncomplete(h1);
2469	+	rs[0].assertNotInvoked();
2470	+	rs[1].assertNotInvoked();
2471		f.completeExceptionally(ex);
2472	<	checkCompletedWithWrappedCFException(h, ex);
2473	<	g.complete(v1);
2472	>	checkCompletedWithWrappedException(h0, ex);
2473	>	checkCompletedWithWrappedException(h1, ex);
2474	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2475	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2476	>	checkCompletedWithWrappedException(h2, ex);
2477	>	checkCompletedWithWrappedException(h3, ex);
2478
2479	<	assertEquals(r.invocationCount, 0);
2246	<	checkCompletedNormally(g, v1);
2247	<	checkCompletedWithWrappedCFException(f, ex);
2248	<	checkCompletedWithWrappedCFException(h, ex);
2249	<	}
2250	<	}
2251	<
2252	<	public void testAcceptEither_exceptionalCompletion2() {
2253	<	for (ExecutionMode m : ExecutionMode.values())
2254	<	for (Integer v1 : new Integer[] { 1, null }) {
2255	<
2256	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2257	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2258	<	final IncAction r = new IncAction();
2259	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2260	<	final CFException ex = new CFException();
2261	<
2262	<	g.completeExceptionally(ex);
2263	<	checkCompletedWithWrappedCFException(h, ex);
2264	<	f.complete(v1);
2479	>	g.complete(v1);
2480
2481	<	assertEquals(r.invocationCount, 0);
2482	<	checkCompletedNormally(f, v1);
2483	<	checkCompletedWithWrappedCFException(g, ex);
2484	<	checkCompletedWithWrappedCFException(h, ex);
2481	>	// unspecified behavior - both source completions available
2482	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2483	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2484	>	try {
2485	>	assertNull(h4.join());
2486	>	rs[4].assertValue(v1);
2487	>	} catch (CompletionException ok) {
2488	>	checkCompletedWithWrappedException(h4, ex);
2489	>	rs[4].assertNotInvoked();
2490		}
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;
2491		try {
2492	<	assertEquals(h.join(), null);
2493	<	assertEquals(r.invocationCount, 1);
2291	<	assertEquals(inc(v1), r.value);
2492	>	assertNull(h5.join());
2493	>	rs[5].assertValue(v1);
2494		} catch (CompletionException ok) {
2495	<	checkCompletedWithWrappedCFException(h, ex);
2496	<	assertEquals(r.invocationCount, 0);
2495	>	checkCompletedWithWrappedException(h5, ex);
2496	>	rs[5].assertNotInvoked();
2497		}
2498
2499	<	checkCompletedWithWrappedCFException(g, ex);
2500	<	checkCompletedNormally(f, v1);
2501	<	}
2502	<	}
2499	>	checkCompletedExceptionally(f, ex);
2500	>	checkCompletedNormally(g, v1);
2501	>	checkCompletedWithWrappedException(h0, ex);
2502	>	checkCompletedWithWrappedException(h1, ex);
2503	>	checkCompletedWithWrappedException(h2, ex);
2504	>	checkCompletedWithWrappedException(h3, ex);
2505	>	checkCompletedWithWrappedException(h4, ex);
2506	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2507	>	}}
2508
2509	<	public void testAcceptEither_exceptionalCompletion4() {
2509	>	public void testAcceptEither_exceptionalCompletion2() {
2510		for (ExecutionMode m : ExecutionMode.values())
2511	<	for (Integer v1 : new Integer[] { 1, null }) {
2512	<
2511	>	for (boolean fFirst : new boolean[] { true, false })
2512	>	for (Integer v1 : new Integer[] { 1, null })
2513	>	{
2514		final CompletableFuture<Integer> f = new CompletableFuture<>();
2515		final CompletableFuture<Integer> g = new CompletableFuture<>();
2308	–	final IncAction r = new IncAction();
2516		final CFException ex = new CFException();
2517	+	final NoopConsumer[] rs = new NoopConsumer[6];
2518	+	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2519
2520	<	f.completeExceptionally(ex);
2521	<	g.complete(v1);
2522	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2520	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2521	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2522	>	assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2523	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2524	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2525	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2526
2527	<	// unspecified behavior
2316	<	Integer v;
2527	>	// unspecified behavior - both source completions available
2528		try {
2529	<	assertEquals(h.join(), null);
2530	<	assertEquals(r.invocationCount, 1);
2320	<	assertEquals(inc(v1), r.value);
2529	>	assertEquals(null, h0.join());
2530	>	rs[0].assertValue(v1);
2531		} catch (CompletionException ok) {
2532	<	checkCompletedWithWrappedCFException(h, ex);
2533	<	assertEquals(r.invocationCount, 0);
2532	>	checkCompletedWithWrappedException(h0, ex);
2533	>	rs[0].assertNotInvoked();
2534		}
2535	<
2536	<	checkCompletedWithWrappedCFException(f, ex);
2537	<	checkCompletedNormally(g, v1);
2535	>	try {
2536	>	assertEquals(null, h1.join());
2537	>	rs[1].assertValue(v1);
2538	>	} catch (CompletionException ok) {
2539	>	checkCompletedWithWrappedException(h1, ex);
2540	>	rs[1].assertNotInvoked();
2541		}
2542	<	}
2543	<
2544	<	/**
2545	<	* acceptEither result completes exceptionally if action does
2546	<	*/
2547	<	public void testAcceptEither_actionFailed1() {
2548	<	for (ExecutionMode m : ExecutionMode.values())
2549	<	for (Integer v1 : new Integer[] { 1, null })
2550	<	for (Integer v2 : new Integer[] { 2, null }) {
2551	<
2552	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2553	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2554	<	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);
2542	>	try {
2543	>	assertEquals(null, h2.join());
2544	>	rs[2].assertValue(v1);
2545	>	} catch (CompletionException ok) {
2546	>	checkCompletedWithWrappedException(h2, ex);
2547	>	rs[2].assertNotInvoked();
2548	>	}
2549	>	try {
2550	>	assertEquals(null, h3.join());
2551	>	rs[3].assertValue(v1);
2552	>	} catch (CompletionException ok) {
2553	>	checkCompletedWithWrappedException(h3, ex);
2554	>	rs[3].assertNotInvoked();
2555		}
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);
2556
2362	–	g.complete(v2);
2363	–	checkCompletedWithWrappedCFException(h);
2364	–	f.complete(v1);
2557		checkCompletedNormally(f, v1);
2558	<	checkCompletedNormally(g, v2);
2559	<	}
2368	<	}
2558	>	checkCompletedExceptionally(g, ex);
2559	>	}}
2560
2561		/**
2562		* acceptEither result completes exceptionally if either source cancelled
2563		*/
2564	<	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() {
2564	>	public void testAcceptEither_sourceCancelled() {
2565		for (ExecutionMode m : ExecutionMode.values())
2566		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2567	<	for (Integer v1 : new Integer[] { 1, null }) {
2568	<
2567	>	for (Integer v1 : new Integer[] { 1, null })
2568	>	{
2569		final CompletableFuture<Integer> f = new CompletableFuture<>();
2570		final CompletableFuture<Integer> g = new CompletableFuture<>();
2571	<	final IncAction r = new IncAction();
2572	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2571	>	final NoopConsumer[] rs = new NoopConsumer[6];
2572	>	for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m);
2573
2574	<	assertTrue(g.cancel(mayInterruptIfRunning));
2575	<	checkCompletedWithWrappedCancellationException(h);
2576	<	f.complete(v1);
2574	>	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2575	>	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2576	>	checkIncomplete(h0);
2577	>	checkIncomplete(h1);
2578	>	rs[0].assertNotInvoked();
2579	>	rs[1].assertNotInvoked();
2580	>	f.cancel(mayInterruptIfRunning);
2581	>	checkCompletedWithWrappedCancellationException(h0);
2582	>	checkCompletedWithWrappedCancellationException(h1);
2583	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2584	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2585	>	checkCompletedWithWrappedCancellationException(h2);
2586	>	checkCompletedWithWrappedCancellationException(h3);
2587
2588	<	checkCancelled(g);
2409	<	assertEquals(r.invocationCount, 0);
2410	<	checkCompletedNormally(f, v1);
2411	<	checkCompletedWithWrappedCancellationException(h);
2412	<	}
2413	<	}
2414	<
2415	<	public void testAcceptEither_sourceCancelled3() {
2416	<	for (ExecutionMode m : ExecutionMode.values())
2417	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2418	<	for (Integer v1 : new Integer[] { 1, null }) {
2419	<
2420	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2421	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2422	<	final IncAction r = new IncAction();
2423	<
2424	<	assertTrue(g.cancel(mayInterruptIfRunning));
2425	<	f.complete(v1);
2426	<	final CompletableFuture<Void> h = m.acceptEither(f, g, r);
2588	>	g.complete(v1);
2589
2590	<	// unspecified behavior
2591	<	Integer v;
2590	>	// unspecified behavior - both source completions available
2591	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2592	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2593		try {
2594	<	assertEquals(h.join(), null);
2595	<	assertEquals(r.invocationCount, 1);
2433	<	assertEquals(inc(v1), r.value);
2594	>	assertNull(h4.join());
2595	>	rs[4].assertValue(v1);
2596		} catch (CompletionException ok) {
2597	<	checkCompletedWithWrappedCancellationException(h);
2598	<	assertEquals(r.invocationCount, 0);
2437	<	}
2438	<
2439	<	checkCancelled(g);
2440	<	checkCompletedNormally(f, v1);
2597	>	checkCompletedWithWrappedCancellationException(h4);
2598	>	rs[4].assertNotInvoked();
2599		}
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;
2600		try {
2601	<	assertEquals(h.join(), null);
2602	<	assertEquals(r.invocationCount, 1);
2462	<	assertEquals(inc(v1), r.value);
2601	>	assertNull(h5.join());
2602	>	rs[5].assertValue(v1);
2603		} catch (CompletionException ok) {
2604	<	checkCompletedWithWrappedCancellationException(h);
2605	<	assertEquals(r.invocationCount, 0);
2604	>	checkCompletedWithWrappedCancellationException(h5);
2605	>	rs[5].assertNotInvoked();
2606		}
2607
2608		checkCancelled(f);
2609		checkCompletedNormally(g, v1);
2610	<	}
2611	<	}
2610	>	checkCompletedWithWrappedCancellationException(h0);
2611	>	checkCompletedWithWrappedCancellationException(h1);
2612	>	checkCompletedWithWrappedCancellationException(h2);
2613	>	checkCompletedWithWrappedCancellationException(h3);
2614	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2615	>	}}
2616
2617		/**
2618	<	* runAfterEither result completes normally after normal completion
2475	<	* of either source
2618	>	* acceptEither result completes exceptionally if action does
2619		*/
2620	<	public void testRunAfterEither_normalCompletion1() {
2620	>	public void testAcceptEither_actionFailed() {
2621		for (ExecutionMode m : ExecutionMode.values())
2622		for (Integer v1 : new Integer[] { 1, null })
2623	<	for (Integer v2 : new Integer[] { 2, null }) {
2624	<
2623	>	for (Integer v2 : new Integer[] { 2, null })
2624	>	{
2625		final CompletableFuture<Integer> f = new CompletableFuture<>();
2626		final CompletableFuture<Integer> g = new CompletableFuture<>();
2627	<	final Noop r = new Noop();
2628	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2627	>	final FailingConsumer[] rs = new FailingConsumer[6];
2628	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m);
2629
2630	+	final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]);
2631	+	final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]);
2632		f.complete(v1);
2633	<	checkCompletedNormally(h, null);
2634	<	assertEquals(r.invocationCount, 1);
2635	<	g.complete(v2);
2636	<
2637	<	checkCompletedNormally(f, v1);
2638	<	checkCompletedNormally(g, v2);
2639	<	checkCompletedNormally(h, null);
2495	<	assertEquals(r.invocationCount, 1);
2496	<	}
2497	<	}
2633	>	final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]);
2634	>	final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]);
2635	>	checkCompletedWithWrappedCFException(h0);
2636	>	checkCompletedWithWrappedCFException(h1);
2637	>	checkCompletedWithWrappedCFException(h2);
2638	>	checkCompletedWithWrappedCFException(h3);
2639	>	for (int i = 0; i < 4; i++) rs[i].assertValue(v1);
2640
2641	<	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 }) {
2641	>	g.complete(v2);
2642
2643	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2644	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2645	<	final Noop r = new Noop();
2507	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2643	>	// unspecified behavior - both source completions available
2644	>	final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]);
2645	>	final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]);
2646
2647	<	g.complete(v2);
2648	<	checkCompletedNormally(h, null);
2649	<	assertEquals(r.invocationCount, 1);
2650	<	f.complete(v1);
2647	>	checkCompletedWithWrappedCFException(h4);
2648	>	assertTrue(Objects.equals(v1, rs[4].value) ||
2649	>	Objects.equals(v2, rs[4].value));
2650	>	checkCompletedWithWrappedCFException(h5);
2651	>	assertTrue(Objects.equals(v1, rs[5].value) ||
2652	>	Objects.equals(v2, rs[5].value));
2653
2654		checkCompletedNormally(f, v1);
2655		checkCompletedNormally(g, v2);
2656	<	checkCompletedNormally(h, null);
2657	<	assertEquals(r.invocationCount, 1);
2658	<	}
2659	<	}
2660	<	public void testRunAfterEither_normalCompletion3() {
2656	>	}}
2657	>
2658	>	/**
2659	>	* runAfterEither result completes normally after normal completion
2660	>	* of either source
2661	>	*/
2662	>	public void testRunAfterEither_normalCompletion() {
2663		for (ExecutionMode m : ExecutionMode.values())
2664		for (Integer v1 : new Integer[] { 1, null })
2665	<	for (Integer v2 : new Integer[] { 2, null }) {
2666	<
2665	>	for (Integer v2 : new Integer[] { 2, null })
2666	>	{
2667		final CompletableFuture<Integer> f = new CompletableFuture<>();
2668		final CompletableFuture<Integer> g = new CompletableFuture<>();
2669	<	final Noop r = new Noop();
2669	>	final Noop[] rs = new Noop[6];
2670	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2671
2672	+	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2673	+	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2674	+	checkIncomplete(h0);
2675	+	checkIncomplete(h1);
2676	+	rs[0].assertNotInvoked();
2677	+	rs[1].assertNotInvoked();
2678		f.complete(v1);
2679	+	checkCompletedNormally(h0, null);
2680	+	checkCompletedNormally(h1, null);
2681	+	rs[0].assertInvoked();
2682	+	rs[1].assertInvoked();
2683	+	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2684	+	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2685	+	checkCompletedNormally(h2, null);
2686	+	checkCompletedNormally(h3, null);
2687	+	rs[2].assertInvoked();
2688	+	rs[3].assertInvoked();
2689	+
2690		g.complete(v2);
2531	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2691
2692	<	checkCompletedNormally(h, null);
2692	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2693	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2694	>
2695		checkCompletedNormally(f, v1);
2696		checkCompletedNormally(g, v2);
2697	<	assertEquals(r.invocationCount, 1);
2698	<	}
2699	<	}
2697	>	checkCompletedNormally(h0, null);
2698	>	checkCompletedNormally(h1, null);
2699	>	checkCompletedNormally(h2, null);
2700	>	checkCompletedNormally(h3, null);
2701	>	checkCompletedNormally(h4, null);
2702	>	checkCompletedNormally(h5, null);
2703	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2704	>	}}
2705
2706		/**
2707		* runAfterEither result completes exceptionally after exceptional
2708		* completion of either source
2709		*/
2710	<	public void testRunAfterEither_exceptionalCompletion1() {
2710	>	public void testRunAfterEither_exceptionalCompletion() {
2711		for (ExecutionMode m : ExecutionMode.values())
2712	<	for (Integer v1 : new Integer[] { 1, null }) {
2713	<
2712	>	for (Integer v1 : new Integer[] { 1, null })
2713	>	{
2714		final CompletableFuture<Integer> f = new CompletableFuture<>();
2715		final CompletableFuture<Integer> g = new CompletableFuture<>();
2550	–	final Noop r = new Noop();
2551	–	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2716		final CFException ex = new CFException();
2717	+	final Noop[] rs = new Noop[6];
2718	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2719
2720	<	f.completeExceptionally(ex);
2721	<	checkCompletedWithWrappedCFException(h, ex);
2722	<	g.complete(v1);
2723	<
2724	<	assertEquals(r.invocationCount, 0);
2725	<	checkCompletedNormally(g, v1);
2726	<	checkCompletedWithWrappedCFException(f, ex);
2727	<	checkCompletedWithWrappedCFException(h, ex);
2728	<	}
2729	<	}
2720	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2721	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2722	>	checkIncomplete(h0);
2723	>	checkIncomplete(h1);
2724	>	rs[0].assertNotInvoked();
2725	>	rs[1].assertNotInvoked();
2726	>	assertTrue(f.completeExceptionally(ex));
2727	>	checkCompletedWithWrappedException(h0, ex);
2728	>	checkCompletedWithWrappedException(h1, ex);
2729	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2730	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2731	>	checkCompletedWithWrappedException(h2, ex);
2732	>	checkCompletedWithWrappedException(h3, ex);
2733
2734	<	public void testRunAfterEither_exceptionalCompletion2() {
2566	<	for (ExecutionMode m : ExecutionMode.values())
2567	<	for (Integer v1 : new Integer[] { 1, null }) {
2734	>	assertTrue(g.complete(v1));
2735
2736	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2737	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2738	<	final Noop r = new Noop();
2739	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2740	<	final CFException ex = new CFException();
2741	<
2742	<	g.completeExceptionally(ex);
2743	<	checkCompletedWithWrappedCFException(h, ex);
2744	<	f.complete(v1);
2578	<
2579	<	assertEquals(r.invocationCount, 0);
2580	<	checkCompletedNormally(f, v1);
2581	<	checkCompletedWithWrappedCFException(g, ex);
2582	<	checkCompletedWithWrappedCFException(h, ex);
2736	>	// unspecified behavior - both source completions available
2737	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2738	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2739	>	try {
2740	>	assertNull(h4.join());
2741	>	rs[4].assertInvoked();
2742	>	} catch (CompletionException ok) {
2743	>	checkCompletedWithWrappedException(h4, ex);
2744	>	rs[4].assertNotInvoked();
2745		}
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;
2746		try {
2747	<	assertEquals(h.join(), null);
2748	<	assertEquals(r.invocationCount, 1);
2747	>	assertNull(h5.join());
2748	>	rs[5].assertInvoked();
2749		} catch (CompletionException ok) {
2750	<	checkCompletedWithWrappedCFException(h, ex);
2751	<	assertEquals(r.invocationCount, 0);
2750	>	checkCompletedWithWrappedException(h5, ex);
2751	>	rs[5].assertNotInvoked();
2752		}
2753
2754	<	checkCompletedWithWrappedCFException(g, ex);
2755	<	checkCompletedNormally(f, v1);
2756	<	}
2757	<	}
2754	>	checkCompletedExceptionally(f, ex);
2755	>	checkCompletedNormally(g, v1);
2756	>	checkCompletedWithWrappedException(h0, ex);
2757	>	checkCompletedWithWrappedException(h1, ex);
2758	>	checkCompletedWithWrappedException(h2, ex);
2759	>	checkCompletedWithWrappedException(h3, ex);
2760	>	checkCompletedWithWrappedException(h4, ex);
2761	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2762	>	}}
2763
2764	<	public void testRunAfterEither_exceptionalCompletion4() {
2764	>	public void testRunAfterEither_exceptionalCompletion2() {
2765		for (ExecutionMode m : ExecutionMode.values())
2766	<	for (Integer v1 : new Integer[] { 1, null }) {
2767	<
2766	>	for (boolean fFirst : new boolean[] { true, false })
2767	>	for (Integer v1 : new Integer[] { 1, null })
2768	>	{
2769		final CompletableFuture<Integer> f = new CompletableFuture<>();
2770		final CompletableFuture<Integer> g = new CompletableFuture<>();
2620	–	final Noop r = new Noop();
2771		final CFException ex = new CFException();
2772	+	final Noop[] rs = new Noop[6];
2773	+	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2774
2775	<	f.completeExceptionally(ex);
2776	<	g.complete(v1);
2777	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2775	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2776	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2777	>	assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2778	>	assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex));
2779	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2780	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2781
2782	<	// unspecified behavior
2628	<	Integer v;
2782	>	// unspecified behavior - both source completions available
2783		try {
2784	<	assertEquals(h.join(), null);
2785	<	assertEquals(r.invocationCount, 1);
2784	>	assertEquals(null, h0.join());
2785	>	rs[0].assertInvoked();
2786		} catch (CompletionException ok) {
2787	<	checkCompletedWithWrappedCFException(h, ex);
2788	<	assertEquals(r.invocationCount, 0);
2787	>	checkCompletedWithWrappedException(h0, ex);
2788	>	rs[0].assertNotInvoked();
2789		}
2790	<
2791	<	checkCompletedWithWrappedCFException(f, ex);
2792	<	checkCompletedNormally(g, v1);
2790	>	try {
2791	>	assertEquals(null, h1.join());
2792	>	rs[1].assertInvoked();
2793	>	} catch (CompletionException ok) {
2794	>	checkCompletedWithWrappedException(h1, ex);
2795	>	rs[1].assertNotInvoked();
2796		}
2797	<	}
2798	<
2799	<	/**
2800	<	* runAfterEither result completes exceptionally if action does
2801	<	*/
2802	<	public void testRunAfterEither_actionFailed1() {
2803	<	for (ExecutionMode m : ExecutionMode.values())
2804	<	for (Integer v1 : new Integer[] { 1, null })
2805	<	for (Integer v2 : new Integer[] { 2, null }) {
2806	<
2807	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2808	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2809	<	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);
2797	>	try {
2798	>	assertEquals(null, h2.join());
2799	>	rs[2].assertInvoked();
2800	>	} catch (CompletionException ok) {
2801	>	checkCompletedWithWrappedException(h2, ex);
2802	>	rs[2].assertNotInvoked();
2803	>	}
2804	>	try {
2805	>	assertEquals(null, h3.join());
2806	>	rs[3].assertInvoked();
2807	>	} catch (CompletionException ok) {
2808	>	checkCompletedWithWrappedException(h3, ex);
2809	>	rs[3].assertNotInvoked();
2810		}
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);
2811
2673	–	g.complete(v2);
2674	–	checkCompletedWithWrappedCFException(h);
2675	–	f.complete(v1);
2812		checkCompletedNormally(f, v1);
2813	<	checkCompletedNormally(g, v2);
2814	<	}
2679	<	}
2813	>	checkCompletedExceptionally(g, ex);
2814	>	}}
2815
2816		/**
2817		* runAfterEither result completes exceptionally if either source cancelled
2818		*/
2819	<	public void testRunAfterEither_sourceCancelled1() {
2819	>	public void testRunAfterEither_sourceCancelled() {
2820		for (ExecutionMode m : ExecutionMode.values())
2821		for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2822	<	for (Integer v1 : new Integer[] { 1, null }) {
2823	<
2822	>	for (Integer v1 : new Integer[] { 1, null })
2823	>	{
2824		final CompletableFuture<Integer> f = new CompletableFuture<>();
2825		final CompletableFuture<Integer> g = new CompletableFuture<>();
2826	<	final Noop r = new Noop();
2827	<	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 }) {
2826	>	final Noop[] rs = new Noop[6];
2827	>	for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m);
2828
2829	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
2830	<	final CompletableFuture<Integer> g = new CompletableFuture<>();
2831	<	final Noop r = new Noop();
2832	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2829	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2830	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2831	>	checkIncomplete(h0);
2832	>	checkIncomplete(h1);
2833	>	rs[0].assertNotInvoked();
2834	>	rs[1].assertNotInvoked();
2835	>	f.cancel(mayInterruptIfRunning);
2836	>	checkCompletedWithWrappedCancellationException(h0);
2837	>	checkCompletedWithWrappedCancellationException(h1);
2838	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2839	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2840	>	checkCompletedWithWrappedCancellationException(h2);
2841	>	checkCompletedWithWrappedCancellationException(h3);
2842
2843	<	assertTrue(g.cancel(mayInterruptIfRunning));
2716	<	checkCompletedWithWrappedCancellationException(h);
2717	<	f.complete(v1);
2843	>	assertTrue(g.complete(v1));
2844
2845	<	checkCancelled(g);
2846	<	assertEquals(r.invocationCount, 0);
2847	<	checkCompletedNormally(f, v1);
2848	<	checkCompletedWithWrappedCancellationException(h);
2845	>	// unspecified behavior - both source completions available
2846	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2847	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2848	>	try {
2849	>	assertNull(h4.join());
2850	>	rs[4].assertInvoked();
2851	>	} catch (CompletionException ok) {
2852	>	checkCompletedWithWrappedCancellationException(h4);
2853	>	rs[4].assertNotInvoked();
2854		}
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;
2855		try {
2856	<	assertEquals(h.join(), null);
2857	<	assertEquals(r.invocationCount, 1);
2856	>	assertNull(h5.join());
2857	>	rs[5].assertInvoked();
2858		} catch (CompletionException ok) {
2859	<	checkCompletedWithWrappedCancellationException(h);
2860	<	assertEquals(r.invocationCount, 0);
2859	>	checkCompletedWithWrappedCancellationException(h5);
2860	>	rs[5].assertNotInvoked();
2861		}
2862
2863	<	checkCancelled(g);
2864	<	checkCompletedNormally(f, v1);
2865	<	}
2866	<	}
2863	>	checkCancelled(f);
2864	>	checkCompletedNormally(g, v1);
2865	>	checkCompletedWithWrappedCancellationException(h0);
2866	>	checkCompletedWithWrappedCancellationException(h1);
2867	>	checkCompletedWithWrappedCancellationException(h2);
2868	>	checkCompletedWithWrappedCancellationException(h3);
2869	>	for (int i = 0; i < 4; i++) rs[i].assertNotInvoked();
2870	>	}}
2871
2872	<	public void testRunAfterEither_sourceCancelled4() {
2872	>	/**
2873	>	* runAfterEither result completes exceptionally if action does
2874	>	*/
2875	>	public void testRunAfterEither_actionFailed() {
2876		for (ExecutionMode m : ExecutionMode.values())
2877	<	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2878	<	for (Integer v1 : new Integer[] { 1, null }) {
2879	<
2877	>	for (Integer v1 : new Integer[] { 1, null })
2878	>	for (Integer v2 : new Integer[] { 2, null })
2879	>	{
2880		final CompletableFuture<Integer> f = new CompletableFuture<>();
2881		final CompletableFuture<Integer> g = new CompletableFuture<>();
2882	<	final Noop r = new Noop();
2883	<
2763	<	assertTrue(f.cancel(mayInterruptIfRunning));
2764	<	g.complete(v1);
2765	<	final CompletableFuture<Void> h = m.runAfterEither(f, g, r);
2882	>	final FailingRunnable[] rs = new FailingRunnable[6];
2883	>	for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m);
2884
2885	<	// unspecified behavior
2886	<	Integer v;
2887	<	try {
2888	<	assertEquals(h.join(), null);
2889	<	assertEquals(r.invocationCount, 1);
2890	<	} catch (CompletionException ok) {
2891	<	checkCompletedWithWrappedCancellationException(h);
2892	<	assertEquals(r.invocationCount, 0);
2893	<	}
2885	>	final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]);
2886	>	final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]);
2887	>	assertTrue(f.complete(v1));
2888	>	final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]);
2889	>	final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]);
2890	>	checkCompletedWithWrappedCFException(h0);
2891	>	checkCompletedWithWrappedCFException(h1);
2892	>	checkCompletedWithWrappedCFException(h2);
2893	>	checkCompletedWithWrappedCFException(h3);
2894	>	for (int i = 0; i < 4; i++) rs[i].assertInvoked();
2895	>	assertTrue(g.complete(v2));
2896	>	final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]);
2897	>	final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]);
2898	>	checkCompletedWithWrappedCFException(h4);
2899	>	checkCompletedWithWrappedCFException(h5);
2900
2901	<	checkCancelled(f);
2902	<	checkCompletedNormally(g, v1);
2903	<	}
2904	<	}
2901	>	checkCompletedNormally(f, v1);
2902	>	checkCompletedNormally(g, v2);
2903	>	for (int i = 0; i < 6; i++) rs[i].assertInvoked();
2904	>	}}
2905
2906		/**
2907		* thenCompose result completes normally after normal completion of source
2908		*/
2909	<	public void testThenCompose() {
2910	<	CompletableFuture<Integer> f, g;
2911	<	CompletableFutureInc r;
2912	<
2913	<	f = new CompletableFuture<>();
2914	<	g = f.thenCompose(r = new CompletableFutureInc());
2915	<	f.complete(one);
2916	<	checkCompletedNormally(g, two);
2917	<	assertTrue(r.ran);
2909	>	public void testThenCompose_normalCompletion() {
2910	>	for (ExecutionMode m : ExecutionMode.values())
2911	>	for (boolean createIncomplete : new boolean[] { true, false })
2912	>	for (Integer v1 : new Integer[] { 1, null })
2913	>	{
2914	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2915	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2916	>	if (!createIncomplete) assertTrue(f.complete(v1));
2917	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2918	>	if (createIncomplete) assertTrue(f.complete(v1));
2919
2920	<	f = new CompletableFuture<>();
2921	<	f.complete(one);
2922	<	g = f.thenCompose(r = new CompletableFutureInc());
2923	<	checkCompletedNormally(g, two);
2799	<	assertTrue(r.ran);
2800	<	}
2920	>	checkCompletedNormally(g, inc(v1));
2921	>	checkCompletedNormally(f, v1);
2922	>	r.assertValue(v1);
2923	>	}}
2924
2925		/**
2926		* thenCompose result completes exceptionally after exceptional
2927		* completion of source
2928		*/
2929	<	public void testThenCompose2() {
2930	<	CompletableFuture<Integer> f, g;
2931	<	CompletableFutureInc r;
2932	<
2933	<	f = new CompletableFuture<>();
2934	<	g = f.thenCompose(r = new CompletableFutureInc());
2935	<	f.completeExceptionally(new CFException());
2936	<	checkCompletedWithWrappedCFException(g);
2929	>	public void testThenCompose_exceptionalCompletion() {
2930	>	for (ExecutionMode m : ExecutionMode.values())
2931	>	for (boolean createIncomplete : new boolean[] { true, false })
2932	>	{
2933	>	final CFException ex = new CFException();
2934	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2935	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2936	>	if (!createIncomplete) f.completeExceptionally(ex);
2937	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2938	>	if (createIncomplete) f.completeExceptionally(ex);
2939
2940	<	f = new CompletableFuture<>();
2941	<	f.completeExceptionally(new CFException());
2942	<	g = f.thenCompose(r = new CompletableFutureInc());
2943	<	checkCompletedWithWrappedCFException(g);
2819	<	}
2940	>	checkCompletedWithWrappedException(g, ex);
2941	>	checkCompletedExceptionally(f, ex);
2942	>	r.assertNotInvoked();
2943	>	}}
2944
2945		/**
2946		* thenCompose result completes exceptionally if action does
2947		*/
2948	<	public void testThenCompose3() {
2949	<	CompletableFuture<Integer> f, g;
2950	<	FailingCompletableFutureFunction r;
2951	<
2952	<	f = new CompletableFuture<>();
2953	<	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2954	<	f.complete(one);
2955	<	checkCompletedWithWrappedCFException(g);
2948	>	public void testThenCompose_actionFailed() {
2949	>	for (ExecutionMode m : ExecutionMode.values())
2950	>	for (boolean createIncomplete : new boolean[] { true, false })
2951	>	for (Integer v1 : new Integer[] { 1, null })
2952	>	{
2953	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2954	>	final FailingCompletableFutureFunction r
2955	>	= new FailingCompletableFutureFunction(m);
2956	>	if (!createIncomplete) assertTrue(f.complete(v1));
2957	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2958	>	if (createIncomplete) assertTrue(f.complete(v1));
2959
2833	–	f = new CompletableFuture<>();
2834	–	f.complete(one);
2835	–	g = f.thenCompose(r = new FailingCompletableFutureFunction());
2960		checkCompletedWithWrappedCFException(g);
2961	<	}
2961	>	checkCompletedNormally(f, v1);
2962	>	}}
2963
2964		/**
2965		* thenCompose result completes exceptionally if source cancelled
2966		*/
2967	<	public void testThenCompose4() {
2968	<	CompletableFuture<Integer> f, g;
2969	<	CompletableFutureInc r;
2970	<
2971	<	f = new CompletableFuture<>();
2972	<	g = f.thenCompose(r = new CompletableFutureInc());
2973	<	assertTrue(f.cancel(true));
2974	<	checkCompletedWithWrappedCancellationException(g);
2975	<
2976	<	f = new CompletableFuture<>();
2977	<	assertTrue(f.cancel(true));
2978	<	g = f.thenCompose(r = new CompletableFutureInc());
2979	<	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	<	}
2967	>	public void testThenCompose_sourceCancelled() {
2968	>	for (ExecutionMode m : ExecutionMode.values())
2969	>	for (boolean createIncomplete : new boolean[] { true, false })
2970	>	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
2971	>	{
2972	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2973	>	final CompletableFutureInc r = new CompletableFutureInc(m);
2974	>	if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning));
2975	>	final CompletableFuture<Integer> g = m.thenCompose(f, r);
2976	>	if (createIncomplete) {
2977	>	checkIncomplete(g);
2978	>	assertTrue(f.cancel(mayInterruptIfRunning));
2979	>	}
2980
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));
2981		checkCompletedWithWrappedCancellationException(g);
2982	<	}
2983	<
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	<	}
2982	>	checkCancelled(f);
2983	>	}}
2984
2985		/**
2986	<	* thenComposeAsync result completes exceptionally if action does
2986	>	* thenCompose result completes exceptionally if the result of the action does
2987		*/
2988	<	public void testThenComposeAsync3E() {
2989	<	CompletableFuture<Integer> f = new CompletableFuture<>();
2990	<	FailingCompletableFutureFunction r = new FailingCompletableFutureFunction();
2991	<	CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor());
2992	<	f.complete(one);
2993	<	checkCompletedWithWrappedCFException(g);
2994	<	}
2988	>	public void testThenCompose_actionReturnsFailingFuture() {
2989	>	for (ExecutionMode m : ExecutionMode.values())
2990	>	for (int order = 0; order < 6; order++)
2991	>	for (Integer v1 : new Integer[] { 1, null })
2992	>	{
2993	>	final CFException ex = new CFException();
2994	>	final CompletableFuture<Integer> f = new CompletableFuture<>();
2995	>	final CompletableFuture<Integer> g = new CompletableFuture<>();
2996	>	final CompletableFuture<Integer> h;
2997	>	// Test all permutations of orders
2998	>	switch (order) {
2999	>	case 0:
3000	>	assertTrue(f.complete(v1));
3001	>	assertTrue(g.completeExceptionally(ex));
3002	>	h = m.thenCompose(f, (x -> g));
3003	>	break;
3004	>	case 1:
3005	>	assertTrue(f.complete(v1));
3006	>	h = m.thenCompose(f, (x -> g));
3007	>	assertTrue(g.completeExceptionally(ex));
3008	>	break;
3009	>	case 2:
3010	>	assertTrue(g.completeExceptionally(ex));
3011	>	assertTrue(f.complete(v1));
3012	>	h = m.thenCompose(f, (x -> g));
3013	>	break;
3014	>	case 3:
3015	>	assertTrue(g.completeExceptionally(ex));
3016	>	h = m.thenCompose(f, (x -> g));
3017	>	assertTrue(f.complete(v1));
3018	>	break;
3019	>	case 4:
3020	>	h = m.thenCompose(f, (x -> g));
3021	>	assertTrue(f.complete(v1));
3022	>	assertTrue(g.completeExceptionally(ex));
3023	>	break;
3024	>	case 5:
3025	>	h = m.thenCompose(f, (x -> g));
3026	>	assertTrue(f.complete(v1));
3027	>	assertTrue(g.completeExceptionally(ex));
3028	>	break;
3029	>	default: throw new AssertionError();
3030	>	}
3031
3032	<	/**
3033	<	* thenComposeAsync result completes exceptionally if source cancelled
3034	<	*/
3035	<	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	<	}
3032	>	checkCompletedExceptionally(g, ex);
3033	>	checkCompletedWithWrappedException(h, ex);
3034	>	checkCompletedNormally(f, v1);
3035	>	}}
3036
3037		// other static methods
3038
#	Line 3286 | Line 3050 | public class CompletableFutureTest exten
3050		* when all components complete normally
3051		*/
3052		public void testAllOf_normal() throws Exception {
3053	<	for (int k = 1; k < 20; ++k) {
3054	<	CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k];
3055	<	for (int i = 0; i < k; ++i)
3053	>	for (int k = 1; k < 10; k++) {
3054	>	CompletableFuture<Integer>[] fs
3055	>	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3056	>	for (int i = 0; i < k; i++)
3057		fs[i] = new CompletableFuture<>();
3058		CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3059	<	for (int i = 0; i < k; ++i) {
3059	>	for (int i = 0; i < k; i++) {
3060		checkIncomplete(f);
3061		checkIncomplete(CompletableFuture.allOf(fs));
3062		fs[i].complete(one);
#	Line 3301 | Line 3066 | public class CompletableFutureTest exten
3066		}
3067		}
3068
3069	+	public void testAllOf_backwards() throws Exception {
3070	+	for (int k = 1; k < 10; k++) {
3071	+	CompletableFuture<Integer>[] fs
3072	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3073	+	for (int i = 0; i < k; i++)
3074	+	fs[i] = new CompletableFuture<>();
3075	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3076	+	for (int i = k - 1; i >= 0; i--) {
3077	+	checkIncomplete(f);
3078	+	checkIncomplete(CompletableFuture.allOf(fs));
3079	+	fs[i].complete(one);
3080	+	}
3081	+	checkCompletedNormally(f, null);
3082	+	checkCompletedNormally(CompletableFuture.allOf(fs), null);
3083	+	}
3084	+	}
3085	+
3086	+	public void testAllOf_exceptional() throws Exception {
3087	+	for (int k = 1; k < 10; k++) {
3088	+	CompletableFuture<Integer>[] fs
3089	+	= (CompletableFuture<Integer>[]) new CompletableFuture[k];
3090	+	CFException ex = new CFException();
3091	+	for (int i = 0; i < k; i++)
3092	+	fs[i] = new CompletableFuture<>();
3093	+	CompletableFuture<Void> f = CompletableFuture.allOf(fs);
3094	+	for (int i = 0; i < k; i++) {
3095	+	checkIncomplete(f);
3096	+	checkIncomplete(CompletableFuture.allOf(fs));
3097	+	if (i != k / 2) {
3098	+	fs[i].complete(i);
3099	+	checkCompletedNormally(fs[i], i);
3100	+	} else {
3101	+	fs[i].completeExceptionally(ex);
3102	+	checkCompletedExceptionally(fs[i], ex);
3103	+	}
3104	+	}
3105	+	checkCompletedWithWrappedException(f, ex);
3106	+	checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex);
3107	+	}
3108	+	}
3109	+
3110		/**
3111		* anyOf(no component futures) returns an incomplete future
3112		*/
3113		public void testAnyOf_empty() throws Exception {
3114	+	for (Integer v1 : new Integer[] { 1, null })
3115	+	{
3116		CompletableFuture<Object> f = CompletableFuture.anyOf();
3117		checkIncomplete(f);
3118	<	}
3118	>
3119	>	f.complete(v1);
3120	>	checkCompletedNormally(f, v1);
3121	>	}}
3122
3123		/**
3124		* anyOf returns a future completed normally with a value when
3125		* a component future does
3126		*/
3127		public void testAnyOf_normal() throws Exception {
3128	<	for (int k = 0; k < 10; ++k) {
3128	>	for (int k = 0; k < 10; k++) {
3129		CompletableFuture[] fs = new CompletableFuture[k];
3130	<	for (int i = 0; i < k; ++i)
3130	>	for (int i = 0; i < k; i++)
3131		fs[i] = new CompletableFuture<>();
3132		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3133		checkIncomplete(f);
3134	<	for (int i = 0; i < k; ++i) {
3135	<	fs[i].complete(one);
3136	<	checkCompletedNormally(f, one);
3137	<	checkCompletedNormally(CompletableFuture.anyOf(fs), one);
3134	>	for (int i = 0; i < k; i++) {
3135	>	fs[i].complete(i);
3136	>	checkCompletedNormally(f, 0);
3137	>	int x = (int) CompletableFuture.anyOf(fs).join();
3138	>	assertTrue(0 <= x && x <= i);
3139	>	}
3140	>	}
3141	>	}
3142	>	public void testAnyOf_normal_backwards() throws Exception {
3143	>	for (int k = 0; k < 10; k++) {
3144	>	CompletableFuture[] fs = new CompletableFuture[k];
3145	>	for (int i = 0; i < k; i++)
3146	>	fs[i] = new CompletableFuture<>();
3147	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3148	>	checkIncomplete(f);
3149	>	for (int i = k - 1; i >= 0; i--) {
3150	>	fs[i].complete(i);
3151	>	checkCompletedNormally(f, k - 1);
3152	>	int x = (int) CompletableFuture.anyOf(fs).join();
3153	>	assertTrue(i <= x && x <= k - 1);
3154		}
3155		}
3156		}
#	Line 3332 | Line 3159 | public class CompletableFutureTest exten
3159		* anyOf result completes exceptionally when any component does.
3160		*/
3161		public void testAnyOf_exceptional() throws Exception {
3162	<	for (int k = 0; k < 10; ++k) {
3162	>	for (int k = 0; k < 10; k++) {
3163	>	CompletableFuture[] fs = new CompletableFuture[k];
3164	>	CFException[] exs = new CFException[k];
3165	>	for (int i = 0; i < k; i++) {
3166	>	fs[i] = new CompletableFuture<>();
3167	>	exs[i] = new CFException();
3168	>	}
3169	>	CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3170	>	checkIncomplete(f);
3171	>	for (int i = 0; i < k; i++) {
3172	>	fs[i].completeExceptionally(exs[i]);
3173	>	checkCompletedWithWrappedException(f, exs[0]);
3174	>	checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3175	>	}
3176	>	}
3177	>	}
3178	>
3179	>	public void testAnyOf_exceptional_backwards() throws Exception {
3180	>	for (int k = 0; k < 10; k++) {
3181		CompletableFuture[] fs = new CompletableFuture[k];
3182	<	for (int i = 0; i < k; ++i)
3182	>	CFException[] exs = new CFException[k];
3183	>	for (int i = 0; i < k; i++) {
3184		fs[i] = new CompletableFuture<>();
3185	+	exs[i] = new CFException();
3186	+	}
3187		CompletableFuture<Object> f = CompletableFuture.anyOf(fs);
3188		checkIncomplete(f);
3189	<	for (int i = 0; i < k; ++i) {
3190	<	fs[i].completeExceptionally(new CFException());
3191	<	checkCompletedWithWrappedCFException(f);
3189	>	for (int i = k - 1; i >= 0; i--) {
3190	>	fs[i].completeExceptionally(exs[i]);
3191	>	checkCompletedWithWrappedException(f, exs[k - 1]);
3192		checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs));
3193		}
3194		}
#	Line 3353 | Line 3201 | public class CompletableFutureTest exten
3201		CompletableFuture<Integer> f = new CompletableFuture<>();
3202		CompletableFuture<Integer> g = new CompletableFuture<>();
3203		CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null;
3356	–	CompletableFuture<?> h;
3204		ThreadExecutor exec = new ThreadExecutor();
3205
3206		Runnable[] throwingActions = {
3207		() -> CompletableFuture.supplyAsync(null),
3208		() -> CompletableFuture.supplyAsync(null, exec),
3209	<	() -> CompletableFuture.supplyAsync(supplyOne, null),
3209	>	() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null),
3210
3211		() -> CompletableFuture.runAsync(null),
3212		() -> CompletableFuture.runAsync(null, exec),
#	Line 3432 | Line 3279 | public class CompletableFutureTest exten
3279
3280		() -> f.thenCompose(null),
3281		() -> f.thenComposeAsync(null),
3282	<	() -> f.thenComposeAsync(new CompletableFutureInc(), null),
3282	>	() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null),
3283		() -> f.thenComposeAsync(null, exec),
3284
3285		() -> f.exceptionally(null),
#	Line 3450 | Line 3297 | public class CompletableFutureTest exten
3297		() -> CompletableFuture.anyOf(null, f),
3298
3299		() -> f.obtrudeException(null),
3300	+
3301	+	() -> CompletableFuture.delayedExecutor(1L, SECONDS, null),
3302	+	() -> CompletableFuture.delayedExecutor(1L, null, exec),
3303	+	() -> CompletableFuture.delayedExecutor(1L, null),
3304	+
3305	+	() -> f.orTimeout(1L, null),
3306	+	() -> f.completeOnTimeout(42, 1L, null),
3307	+
3308	+	() -> CompletableFuture.failedFuture(null),
3309	+	() -> CompletableFuture.failedStage(null),
3310		};
3311
3312		assertThrows(NullPointerException.class, throwingActions);
#	Line 3464 | Line 3321 | public class CompletableFutureTest exten
3321		assertSame(f, f.toCompletableFuture());
3322		}
3323
3324	+	// jdk9
3325	+
3326		/**
3327	<	* whenComplete action executes on normal completion, propagating
3469	<	* source result.
3327	>	* newIncompleteFuture returns an incomplete CompletableFuture
3328		*/
3329	<	public void testWhenComplete_normalCompletion1() {
3330	<	for (ExecutionMode m : ExecutionMode.values())
3331	<	for (Integer v1 : new Integer[] { 1, null }) {
3332	<
3333	<	final AtomicInteger a = new AtomicInteger();
3334	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3335	<	final CompletableFuture<Integer> g =
3478	<	m.whenComplete(f,
3479	<	(Integer x, Throwable t) -> {
3480	<	threadAssertSame(x, v1);
3481	<	threadAssertNull(t);
3482	<	a.getAndIncrement();
3483	<	});
3329	>	public void testNewIncompleteFuture() {
3330	>	for (Integer v1 : new Integer[] { 1, null })
3331	>	{
3332	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3333	>	CompletableFuture<Integer> g = f.newIncompleteFuture();
3334	>	checkIncomplete(f);
3335	>	checkIncomplete(g);
3336		f.complete(v1);
3337		checkCompletedNormally(f, v1);
3338	+	checkIncomplete(g);
3339	+	g.complete(v1);
3340		checkCompletedNormally(g, v1);
3341	<	assertEquals(a.get(), 1);
3342	<	}
3341	>	assertSame(g.getClass(), CompletableFuture.class);
3342	>	}}
3343	>
3344	>	/**
3345	>	* completedStage returns a completed CompletionStage
3346	>	*/
3347	>	public void testCompletedStage() {
3348	>	AtomicInteger x = new AtomicInteger(0);
3349	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3350	>	CompletionStage<Integer> f = CompletableFuture.completedStage(1);
3351	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3352	>	assertEquals(x.get(), 1);
3353	>	assertNull(r.get());
3354		}
3355
3356		/**
3357	<	* whenComplete action executes on exceptional completion, propagating
3358	<	* source result.
3357	>	* defaultExecutor by default returns the commonPool if
3358	>	* it supports more than one thread.
3359		*/
3360	<	public void testWhenComplete_exceptionalCompletion() {
3361	<	for (ExecutionMode m : ExecutionMode.values())
3362	<	for (Integer v1 : new Integer[] { 1, null }) {
3360	>	public void testDefaultExecutor() {
3361	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3362	>	Executor e = f.defaultExecutor();
3363	>	Executor c = ForkJoinPool.commonPool();
3364	>	if (ForkJoinPool.getCommonPoolParallelism() > 1)
3365	>	assertSame(e, c);
3366	>	else
3367	>	assertNotSame(e, c);
3368	>	}
3369
3370	<	final AtomicInteger a = new AtomicInteger();
3371	<	final CFException ex = new CFException();
3372	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3373	<	final CompletableFuture<Integer> g = m.whenComplete
3374	<	(f,
3375	<	(Integer x, Throwable t) -> {
3376	<	threadAssertNull(x);
3377	<	threadAssertSame(t, ex);
3378	<	a.getAndIncrement();
3379	<	});
3370	>	/**
3371	>	* failedFuture returns a CompletableFuture completed
3372	>	* exceptionally with the given Exception
3373	>	*/
3374	>	public void testFailedFuture() {
3375	>	CFException ex = new CFException();
3376	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex);
3377	>	checkCompletedExceptionally(f, ex);
3378	>	}
3379	>
3380	>	/**
3381	>	* failedFuture(null) throws NPE
3382	>	*/
3383	>	public void testFailedFuture_null() {
3384	>	try {
3385	>	CompletableFuture<Integer> f = CompletableFuture.failedFuture(null);
3386	>	shouldThrow();
3387	>	} catch (NullPointerException success) {}
3388	>	}
3389	>
3390	>	/**
3391	>	* copy returns a CompletableFuture that is completed normally,
3392	>	* with the same value, when source is.
3393	>	*/
3394	>	public void testCopy() {
3395	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3396	>	CompletableFuture<Integer> g = f.copy();
3397	>	checkIncomplete(f);
3398	>	checkIncomplete(g);
3399	>	f.complete(1);
3400	>	checkCompletedNormally(f, 1);
3401	>	checkCompletedNormally(g, 1);
3402	>	}
3403	>
3404	>	/**
3405	>	* copy returns a CompletableFuture that is completed exceptionally
3406	>	* when source is.
3407	>	*/
3408	>	public void testCopy2() {
3409	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3410	>	CompletableFuture<Integer> g = f.copy();
3411	>	checkIncomplete(f);
3412	>	checkIncomplete(g);
3413	>	CFException ex = new CFException();
3414		f.completeExceptionally(ex);
3415	<	checkCompletedWithWrappedCFException(f, ex);
3416	<	checkCompletedWithWrappedCFException(g, ex);
3512	<	assertEquals(a.get(), 1);
3513	<	}
3415	>	checkCompletedExceptionally(f, ex);
3416	>	checkCompletedWithWrappedException(g, ex);
3417		}
3418
3419		/**
3420	<	* If a whenComplete action throws an exception when triggered by
3421	<	* a normal completion, it completes exceptionally
3420	>	* minimalCompletionStage returns a CompletableFuture that is
3421	>	* completed normally, with the same value, when source is.
3422		*/
3423	<	public void testWhenComplete_actionFailed() {
3424	<	for (ExecutionMode m : ExecutionMode.values())
3425	<	for (Integer v1 : new Integer[] { 1, null }) {
3423	>	public void testMinimalCompletionStage() {
3424	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3425	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3426	>	AtomicInteger x = new AtomicInteger(0);
3427	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3428	>	checkIncomplete(f);
3429	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3430	>	f.complete(1);
3431	>	checkCompletedNormally(f, 1);
3432	>	assertEquals(x.get(), 1);
3433	>	assertNull(r.get());
3434	>	}
3435
3436	<	final CFException ex = new CFException();
3437	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3438	<	final CompletableFuture<Integer> g = m.whenComplete
3439	<	(f,
3440	<	(Integer x, Throwable t) -> {
3441	<	threadAssertSame(x, v1);
3442	<	threadAssertNull(t);
3443	<	throw ex;
3444	<	});
3445	<	f.complete(v1);
3446	<	checkCompletedNormally(f, v1);
3447	<	checkCompletedWithWrappedCFException(g, ex);
3448	<	}
3436	>	/**
3437	>	* minimalCompletionStage returns a CompletableFuture that is
3438	>	* completed exceptionally when source is.
3439	>	*/
3440	>	public void testMinimalCompletionStage2() {
3441	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3442	>	CompletionStage<Integer> g = f.minimalCompletionStage();
3443	>	AtomicInteger x = new AtomicInteger(0);
3444	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3445	>	g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3446	>	checkIncomplete(f);
3447	>	CFException ex = new CFException();
3448	>	f.completeExceptionally(ex);
3449	>	checkCompletedExceptionally(f, ex);
3450	>	assertEquals(x.get(), 0);
3451	>	assertEquals(r.get().getCause(), ex);
3452		}
3453
3454		/**
3455	<	* If a whenComplete action throws an exception when triggered by
3456	<	* a source completion that also throws an exception, the source
3542	<	* exception takes precedence.
3455	>	* failedStage returns a CompletionStage completed
3456	>	* exceptionally with the given Exception
3457		*/
3458	<	public void testWhenComplete_actionFailedSourceFailed() {
3459	<	for (ExecutionMode m : ExecutionMode.values())
3460	<	for (Integer v1 : new Integer[] { 1, null }) {
3458	>	public void testFailedStage() {
3459	>	CFException ex = new CFException();
3460	>	CompletionStage<Integer> f = CompletableFuture.failedStage(ex);
3461	>	AtomicInteger x = new AtomicInteger(0);
3462	>	AtomicReference<Throwable> r = new AtomicReference<Throwable>();
3463	>	f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);});
3464	>	assertEquals(x.get(), 0);
3465	>	assertEquals(r.get(), ex);
3466	>	}
3467
3468	<	final CFException ex1 = new CFException();
3469	<	final CFException ex2 = new CFException();
3470	<	final CompletableFuture<Integer> f = new CompletableFuture<>();
3471	<	final CompletableFuture<Integer> g = m.whenComplete
3472	<	(f,
3473	<	(Integer x, Throwable t) -> {
3474	<	threadAssertSame(t, ex1);
3475	<	threadAssertNull(x);
3476	<	throw ex2;
3477	<	});
3478	<	f.completeExceptionally(ex1);
3479	<	checkCompletedWithWrappedCFException(f, ex1);
3480	<	checkCompletedWithWrappedCFException(g, ex1);
3481	<	}
3468	>	/**
3469	>	* completeAsync completes with value of given supplier
3470	>	*/
3471	>	public void testCompleteAsync() {
3472	>	for (Integer v1 : new Integer[] { 1, null })
3473	>	{
3474	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3475	>	f.completeAsync(() -> v1);
3476	>	f.join();
3477	>	checkCompletedNormally(f, v1);
3478	>	}}
3479	>
3480	>	/**
3481	>	* completeAsync completes exceptionally if given supplier throws
3482	>	*/
3483	>	public void testCompleteAsync2() {
3484	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3485	>	CFException ex = new CFException();
3486	>	f.completeAsync(() -> {if (true) throw ex; return 1;});
3487	>	try {
3488	>	f.join();
3489	>	shouldThrow();
3490	>	} catch (CompletionException success) {}
3491	>	checkCompletedWithWrappedException(f, ex);
3492		}
3493
3494		/**
3495	<	* handleAsync action completes normally with function value on
3566	<	* either normal or exceptional completion of source
3495	>	* completeAsync with given executor completes with value of given supplier
3496		*/
3497	<	public void testHandleAsync() {
3498	<	CompletableFuture<Integer> f, g;
3499	<	IntegerHandler r;
3497	>	public void testCompleteAsync3() {
3498	>	for (Integer v1 : new Integer[] { 1, null })
3499	>	{
3500	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3501	>	ThreadExecutor executor = new ThreadExecutor();
3502	>	f.completeAsync(() -> v1, executor);
3503	>	assertSame(v1, f.join());
3504	>	checkCompletedNormally(f, v1);
3505	>	assertEquals(1, executor.count.get());
3506	>	}}
3507
3508	<	f = new CompletableFuture<>();
3509	<	g = f.handleAsync(r = new IntegerHandler());
3510	<	assertFalse(r.ran);
3511	<	f.completeExceptionally(new CFException());
3512	<	checkCompletedWithWrappedCFException(f);
3513	<	checkCompletedNormally(g, three);
3514	<	assertTrue(r.ran);
3508	>	/**
3509	>	* completeAsync with given executor completes exceptionally if
3510	>	* given supplier throws
3511	>	*/
3512	>	public void testCompleteAsync4() {
3513	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3514	>	CFException ex = new CFException();
3515	>	ThreadExecutor executor = new ThreadExecutor();
3516	>	f.completeAsync(() -> {if (true) throw ex; return 1;}, executor);
3517	>	try {
3518	>	f.join();
3519	>	shouldThrow();
3520	>	} catch (CompletionException success) {}
3521	>	checkCompletedWithWrappedException(f, ex);
3522	>	assertEquals(1, executor.count.get());
3523	>	}
3524
3525	<	f = new CompletableFuture<>();
3526	<	g = f.handleAsync(r = new IntegerHandler());
3527	<	assertFalse(r.ran);
3528	<	f.completeExceptionally(new CFException());
3529	<	checkCompletedWithWrappedCFException(f);
3530	<	checkCompletedNormally(g, three);
3531	<	assertTrue(r.ran);
3525	>	/**
3526	>	* orTimeout completes with TimeoutException if not complete
3527	>	*/
3528	>	public void testOrTimeout_timesOut() {
3529	>	long timeoutMillis = timeoutMillis();
3530	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3531	>	long startTime = System.nanoTime();
3532	>	f.orTimeout(timeoutMillis, MILLISECONDS);
3533	>	checkCompletedWithTimeoutException(f);
3534	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3535	>	}
3536
3537	<	f = new CompletableFuture<>();
3538	<	g = f.handleAsync(r = new IntegerHandler());
3539	<	assertFalse(r.ran);
3540	<	f.complete(one);
3541	<	checkCompletedNormally(f, one);
3542	<	checkCompletedNormally(g, two);
3543	<	assertTrue(r.ran);
3537	>	/**
3538	>	* orTimeout completes normally if completed before timeout
3539	>	*/
3540	>	public void testOrTimeout_completed() {
3541	>	for (Integer v1 : new Integer[] { 1, null })
3542	>	{
3543	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3544	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3545	>	long startTime = System.nanoTime();
3546	>	f.complete(v1);
3547	>	f.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3548	>	g.orTimeout(LONG_DELAY_MS, MILLISECONDS);
3549	>	g.complete(v1);
3550	>	checkCompletedNormally(f, v1);
3551	>	checkCompletedNormally(g, v1);
3552	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3553	>	}}
3554
3555	<	f = new CompletableFuture<>();
3556	<	g = f.handleAsync(r = new IntegerHandler());
3557	<	assertFalse(r.ran);
3558	<	f.complete(one);
3559	<	checkCompletedNormally(f, one);
3560	<	checkCompletedNormally(g, two);
3561	<	assertTrue(r.ran);
3555	>	/**
3556	>	* completeOnTimeout completes with given value if not complete
3557	>	*/
3558	>	public void testCompleteOnTimeout_timesOut() {
3559	>	testInParallel(() -> testCompleteOnTimeout_timesOut(42),
3560	>	() -> testCompleteOnTimeout_timesOut(null));
3561	>	}
3562	>
3563	>	public void testCompleteOnTimeout_timesOut(Integer v) {
3564	>	long timeoutMillis = timeoutMillis();
3565	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3566	>	long startTime = System.nanoTime();
3567	>	f.completeOnTimeout(v, timeoutMillis, MILLISECONDS);
3568	>	assertSame(v, f.join());
3569	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
3570	>	f.complete(99);         // should have no effect
3571	>	checkCompletedNormally(f, v);
3572		}
3573
3574		/**
3575	<	* handleAsync action with Executor completes normally with
3607	<	* function value on either normal or exceptional completion of
3608	<	* source
3575	>	* completeOnTimeout has no effect if completed within timeout
3576		*/
3577	<	public void testHandleAsync2() {
3578	<	CompletableFuture<Integer> f, g;
3579	<	ThreadExecutor exec = new ThreadExecutor();
3580	<	IntegerHandler r;
3577	>	public void testCompleteOnTimeout_completed() {
3578	>	for (Integer v1 : new Integer[] { 1, null })
3579	>	{
3580	>	CompletableFuture<Integer> f = new CompletableFuture<>();
3581	>	CompletableFuture<Integer> g = new CompletableFuture<>();
3582	>	long startTime = System.nanoTime();
3583	>	f.complete(v1);
3584	>	f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3585	>	g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS);
3586	>	g.complete(v1);
3587	>	checkCompletedNormally(f, v1);
3588	>	checkCompletedNormally(g, v1);
3589	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2);
3590	>	}}
3591
3592	<	f = new CompletableFuture<>();
3593	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3594	<	assertFalse(r.ran);
3595	<	f.completeExceptionally(new CFException());
3596	<	checkCompletedWithWrappedCFException(f);
3597	<	checkCompletedNormally(g, three);
3598	<	assertTrue(r.ran);
3592	>	/**
3593	>	* delayedExecutor returns an executor that delays submission
3594	>	*/
3595	>	public void testDelayedExecutor() {
3596	>	testInParallel(() -> testDelayedExecutor(null, null),
3597	>	() -> testDelayedExecutor(null, 1),
3598	>	() -> testDelayedExecutor(new ThreadExecutor(), 1),
3599	>	() -> testDelayedExecutor(new ThreadExecutor(), 1));
3600	>	}
3601
3602	<	f = new CompletableFuture<>();
3603	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3604	<	assertFalse(r.ran);
3605	<	f.completeExceptionally(new CFException());
3606	<	checkCompletedWithWrappedCFException(f);
3607	<	checkCompletedNormally(g, three);
3608	<	assertTrue(r.ran);
3602	>	public void testDelayedExecutor(Executor executor, Integer v) throws Exception {
3603	>	long timeoutMillis = timeoutMillis();
3604	>	// Use an "unreasonably long" long timeout to catch lingering threads
3605	>	long longTimeoutMillis = 1000 * 60 * 60 * 24;
3606	>	final Executor delayer, longDelayer;
3607	>	if (executor == null) {
3608	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS);
3609	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS);
3610	>	} else {
3611	>	delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor);
3612	>	longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor);
3613	>	}
3614	>	long startTime = System.nanoTime();
3615	>	CompletableFuture<Integer> f =
3616	>	CompletableFuture.supplyAsync(() -> v, delayer);
3617	>	CompletableFuture<Integer> g =
3618	>	CompletableFuture.supplyAsync(() -> v, longDelayer);
3619
3620	<	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);
3620	>	assertNull(g.getNow(null));
3621
3622	<	f = new CompletableFuture<>();
3623	<	g = f.handleAsync(r = new IntegerHandler(), exec);
3624	<	assertFalse(r.ran);
3625	<	f.complete(one);
3626	<	checkCompletedNormally(f, one);
3627	<	checkCompletedNormally(g, two);
3628	<	assertTrue(r.ran);
3622	>	assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS));
3623	>	long millisElapsed = millisElapsedSince(startTime);
3624	>	assertTrue(millisElapsed >= timeoutMillis);
3625	>	assertTrue(millisElapsed < LONG_DELAY_MS / 2);
3626	>
3627	>	checkCompletedNormally(f, v);
3628	>
3629	>	checkIncomplete(g);
3630	>	assertTrue(g.cancel(true));
3631	>	}
3632	>
3633	>	//--- tests of implementation details; not part of official tck ---
3634	>
3635	>	Object resultOf(CompletableFuture<?> f) {
3636	>	try {
3637	>	java.lang.reflect.Field resultField
3638	>	= CompletableFuture.class.getDeclaredField("result");
3639	>	resultField.setAccessible(true);
3640	>	return resultField.get(f);
3641	>	} catch (Throwable t) { throw new AssertionError(t); }
3642		}
3643
3644	+	public void testExceptionPropagationReusesResultObject() {
3645	+	if (!testImplementationDetails) return;
3646	+	for (ExecutionMode m : ExecutionMode.values())
3647	+	{
3648	+	final CFException ex = new CFException();
3649	+	final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42);
3650	+	final CompletableFuture<Integer> incomplete = new CompletableFuture<>();
3651	+
3652	+	List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs
3653	+	= new ArrayList<>();
3654	+
3655	+	funs.add((y) -> m.thenRun(y, new Noop(m)));
3656	+	funs.add((y) -> m.thenAccept(y, new NoopConsumer(m)));
3657	+	funs.add((y) -> m.thenApply(y, new IncFunction(m)));
3658	+
3659	+	funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m)));
3660	+	funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m)));
3661	+	funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m)));
3662	+
3663	+	funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m)));
3664	+	funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m)));
3665	+	funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m)));
3666	+
3667	+	funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {}));
3668	+
3669	+	funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m)));
3670	+
3671	+	funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42}));
3672	+	funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete}));
3673	+
3674	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3675	+	fun : funs) {
3676	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3677	+	f.completeExceptionally(ex);
3678	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3679	+	checkCompletedWithWrappedException(src, ex);
3680	+	CompletableFuture<?> dep = fun.apply(src);
3681	+	checkCompletedWithWrappedException(dep, ex);
3682	+	assertSame(resultOf(src), resultOf(dep));
3683	+	}
3684	+
3685	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3686	+	fun : funs) {
3687	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3688	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3689	+	CompletableFuture<?> dep = fun.apply(src);
3690	+	f.completeExceptionally(ex);
3691	+	checkCompletedWithWrappedException(src, ex);
3692	+	checkCompletedWithWrappedException(dep, ex);
3693	+	assertSame(resultOf(src), resultOf(dep));
3694	+	}
3695	+
3696	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3697	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3698	+	fun : funs) {
3699	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3700	+	f.cancel(mayInterruptIfRunning);
3701	+	checkCancelled(f);
3702	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3703	+	checkCompletedWithWrappedCancellationException(src);
3704	+	CompletableFuture<?> dep = fun.apply(src);
3705	+	checkCompletedWithWrappedCancellationException(dep);
3706	+	assertSame(resultOf(src), resultOf(dep));
3707	+	}
3708	+
3709	+	for (boolean mayInterruptIfRunning : new boolean[] { true, false })
3710	+	for (Function<CompletableFuture<Integer>, CompletableFuture<?>>
3711	+	fun : funs) {
3712	+	CompletableFuture<Integer> f = new CompletableFuture<>();
3713	+	CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m));
3714	+	CompletableFuture<?> dep = fun.apply(src);
3715	+	f.cancel(mayInterruptIfRunning);
3716	+	checkCancelled(f);
3717	+	checkCompletedWithWrappedCancellationException(src);
3718	+	checkCompletedWithWrappedCancellationException(dep);
3719	+	assertSame(resultOf(src), resultOf(dep));
3720	+	}
3721	+	}}
3722	+
3723	+	/**
3724	+	* Minimal completion stages throw UOE for all non-CompletionStage methods
3725	+	*/
3726	+	public void testMinimalCompletionStage_minimality() {
3727	+	if (!testImplementationDetails) return;
3728	+	Function<Method, String> toSignature =
3729	+	(method) -> method.getName() + Arrays.toString(method.getParameterTypes());
3730	+	Predicate<Method> isNotStatic =
3731	+	(method) -> (method.getModifiers() & Modifier.STATIC) == 0;
3732	+	List<Method> minimalMethods =
3733	+	Stream.of(Object.class, CompletionStage.class)
3734	+	.flatMap((klazz) -> Stream.of(klazz.getMethods()))
3735	+	.filter(isNotStatic)
3736	+	.collect(Collectors.toList());
3737	+	// Methods from CompletableFuture permitted NOT to throw UOE
3738	+	String[] signatureWhitelist = {
3739	+	"newIncompleteFuture[]",
3740	+	"defaultExecutor[]",
3741	+	"minimalCompletionStage[]",
3742	+	"copy[]",
3743	+	};
3744	+	Set<String> permittedMethodSignatures =
3745	+	Stream.concat(minimalMethods.stream().map(toSignature),
3746	+	Stream.of(signatureWhitelist))
3747	+	.collect(Collectors.toSet());
3748	+	List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods())
3749	+	.filter(isNotStatic)
3750	+	.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method)))
3751	+	.collect(Collectors.toList());
3752	+
3753	+	CompletionStage<Integer> minimalStage =
3754	+	new CompletableFuture<Integer>().minimalCompletionStage();
3755	+
3756	+	List<Method> bugs = new ArrayList<>();
3757	+	for (Method method : allMethods) {
3758	+	Class<?>[] parameterTypes = method.getParameterTypes();
3759	+	Object[] args = new Object[parameterTypes.length];
3760	+	// Manufacture boxed primitives for primitive params
3761	+	for (int i = 0; i < args.length; i++) {
3762	+	Class<?> type = parameterTypes[i];
3763	+	if (parameterTypes[i] == boolean.class)
3764	+	args[i] = false;
3765	+	else if (parameterTypes[i] == int.class)
3766	+	args[i] = 0;
3767	+	else if (parameterTypes[i] == long.class)
3768	+	args[i] = 0L;
3769	+	}
3770	+	try {
3771	+	method.invoke(minimalStage, args);
3772	+	bugs.add(method);
3773	+	}
3774	+	catch (java.lang.reflect.InvocationTargetException expected) {
3775	+	if (! (expected.getCause() instanceof UnsupportedOperationException)) {
3776	+	bugs.add(method);
3777	+	// expected.getCause().printStackTrace();
3778	+	}
3779	+	}
3780	+	catch (ReflectiveOperationException bad) { throw new Error(bad); }
3781	+	}
3782	+	if (!bugs.isEmpty())
3783	+	throw new Error("Methods did not throw UOE: " + bugs.toString());
3784	+	}
3785	+
3786	+	static class Monad {
3787	+	static class ZeroException extends RuntimeException {
3788	+	public ZeroException() { super("monadic zero"); }
3789	+	}
3790	+	// "return", "unit"
3791	+	static <T> CompletableFuture<T> unit(T value) {
3792	+	return completedFuture(value);
3793	+	}
3794	+	// monadic zero ?
3795	+	static <T> CompletableFuture<T> zero() {
3796	+	return failedFuture(new ZeroException());
3797	+	}
3798	+	// >=>
3799	+	static <T,U,V> Function<T, CompletableFuture<V>> compose
3800	+	(Function<T, CompletableFuture<U>> f,
3801	+	Function<U, CompletableFuture<V>> g) {
3802	+	return (x) -> f.apply(x).thenCompose(g);
3803	+	}
3804	+
3805	+	static void assertZero(CompletableFuture<?> f) {
3806	+	try {
3807	+	f.getNow(null);
3808	+	throw new AssertionFailedError("should throw");
3809	+	} catch (CompletionException success) {
3810	+	assertTrue(success.getCause() instanceof ZeroException);
3811	+	}
3812	+	}
3813	+
3814	+	static <T> void assertFutureEquals(CompletableFuture<T> f,
3815	+	CompletableFuture<T> g) {
3816	+	T fval = null, gval = null;
3817	+	Throwable fex = null, gex = null;
3818	+
3819	+	try { fval = f.get(); }
3820	+	catch (ExecutionException ex) { fex = ex.getCause(); }
3821	+	catch (Throwable ex) { fex = ex; }
3822	+
3823	+	try { gval = g.get(); }
3824	+	catch (ExecutionException ex) { gex = ex.getCause(); }
3825	+	catch (Throwable ex) { gex = ex; }
3826	+
3827	+	if (fex != null || gex != null)
3828	+	assertSame(fex.getClass(), gex.getClass());
3829	+	else
3830	+	assertEquals(fval, gval);
3831	+	}
3832	+
3833	+	static class PlusFuture<T> extends CompletableFuture<T> {
3834	+	AtomicReference<Throwable> firstFailure = new AtomicReference<>(null);
3835	+	}
3836	+
3837	+	/** Implements "monadic plus". */
3838	+	static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f,
3839	+	CompletableFuture<? extends T> g) {
3840	+	PlusFuture<T> plus = new PlusFuture<T>();
3841	+	BiConsumer<T, Throwable> action = (T result, Throwable ex) -> {
3842	+	try {
3843	+	if (ex == null) {
3844	+	if (plus.complete(result))
3845	+	if (plus.firstFailure.get() != null)
3846	+	plus.firstFailure.set(null);
3847	+	}
3848	+	else if (plus.firstFailure.compareAndSet(null, ex)) {
3849	+	if (plus.isDone())
3850	+	plus.firstFailure.set(null);
3851	+	}
3852	+	else {
3853	+	// first failure has precedence
3854	+	Throwable first = plus.firstFailure.getAndSet(null);
3855	+
3856	+	// may fail with "Self-suppression not permitted"
3857	+	try { first.addSuppressed(ex); }
3858	+	catch (Exception ignored) {}
3859	+
3860	+	plus.completeExceptionally(first);
3861	+	}
3862	+	} catch (Throwable unexpected) {
3863	+	plus.completeExceptionally(unexpected);
3864	+	}
3865	+	};
3866	+	f.whenComplete(action);
3867	+	g.whenComplete(action);
3868	+	return plus;
3869	+	}
3870	+	}
3871	+
3872	+	/**
3873	+	* CompletableFuture is an additive monad - sort of.
3874	+	* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads
3875	+	*/
3876	+	public void testAdditiveMonad() throws Throwable {
3877	+	Function<Long, CompletableFuture<Long>> unit = Monad::unit;
3878	+	CompletableFuture<Long> zero = Monad.zero();
3879	+
3880	+	// Some mutually non-commutative functions
3881	+	Function<Long, CompletableFuture<Long>> triple
3882	+	= (x) -> Monad.unit(3 * x);
3883	+	Function<Long, CompletableFuture<Long>> inc
3884	+	= (x) -> Monad.unit(x + 1);
3885	+
3886	+	// unit is a right identity: m >>= unit === m
3887	+	Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit),
3888	+	inc.apply(5L));
3889	+	// unit is a left identity: (unit x) >>= f === f x
3890	+	Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc),
3891	+	inc.apply(5L));
3892	+
3893	+	// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) )
3894	+	Monad.assertFutureEquals(
3895	+	unit.apply(5L).thenCompose(inc).thenCompose(triple),
3896	+	unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple)));
3897	+
3898	+	// The case for CompletableFuture as an additive monad is weaker...
3899	+
3900	+	// zero is a monadic zero
3901	+	Monad.assertZero(zero);
3902	+
3903	+	// left zero: zero >>= f === zero
3904	+	Monad.assertZero(zero.thenCompose(inc));
3905	+	// right zero: f >>= (\x -> zero) === zero
3906	+	Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero));
3907	+
3908	+	// f plus zero === f
3909	+	Monad.assertFutureEquals(Monad.unit(5L),
3910	+	Monad.plus(Monad.unit(5L), zero));
3911	+	// zero plus f === f
3912	+	Monad.assertFutureEquals(Monad.unit(5L),
3913	+	Monad.plus(zero, Monad.unit(5L)));
3914	+	// zero plus zero === zero
3915	+	Monad.assertZero(Monad.plus(zero, zero));
3916	+	{
3917	+	CompletableFuture<Long> f = Monad.plus(Monad.unit(5L),
3918	+	Monad.unit(8L));
3919	+	// non-determinism
3920	+	assertTrue(f.get() == 5L || f.get() == 8L);
3921	+	}
3922	+
3923	+	CompletableFuture<Long> godot = new CompletableFuture<>();
3924	+	// f plus godot === f (doesn't wait for godot)
3925	+	Monad.assertFutureEquals(Monad.unit(5L),
3926	+	Monad.plus(Monad.unit(5L), godot));
3927	+	// godot plus f === f (doesn't wait for godot)
3928	+	Monad.assertFutureEquals(Monad.unit(5L),
3929	+	Monad.plus(godot, Monad.unit(5L)));
3930	+	}
3931	+
3932	+	/**
3933	+	* A single CompletableFuture with many dependents.
3934	+	* A demo of scalability - runtime is O(n).
3935	+	*/
3936	+	public void testManyDependents() throws Throwable {
3937	+	final int n = 1_000;
3938	+	final CompletableFuture<Void> head = new CompletableFuture<>();
3939	+	final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null);
3940	+	final AtomicInteger count = new AtomicInteger(0);
3941	+	for (int i = 0; i < n; i++) {
3942	+	head.thenRun(() -> count.getAndIncrement());
3943	+	head.thenAccept((x) -> count.getAndIncrement());
3944	+	head.thenApply((x) -> count.getAndIncrement());
3945	+
3946	+	head.runAfterBoth(complete, () -> count.getAndIncrement());
3947	+	head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement());
3948	+	head.thenCombine(complete, (x, y) -> count.getAndIncrement());
3949	+	complete.runAfterBoth(head, () -> count.getAndIncrement());
3950	+	complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement());
3951	+	complete.thenCombine(head, (x, y) -> count.getAndIncrement());
3952	+
3953	+	head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement());
3954	+	head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3955	+	head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement());
3956	+	new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement());
3957	+	new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement());
3958	+	new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement());
3959	+	}
3960	+	head.complete(null);
3961	+	assertEquals(5 * 3 * n, count.get());
3962	+	}
3963	+
3964	+	//     static <U> U join(CompletionStage<U> stage) {
3965	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3966	+	//         stage.whenComplete((v, ex) -> {
3967	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3968	+	//         });
3969	+	//         return f.join();
3970	+	//     }
3971	+
3972	+	//     static <U> boolean isDone(CompletionStage<U> stage) {
3973	+	//         CompletableFuture<U> f = new CompletableFuture<>();
3974	+	//         stage.whenComplete((v, ex) -> {
3975	+	//             if (ex != null) f.completeExceptionally(ex); else f.complete(v);
3976	+	//         });
3977	+	//         return f.isDone();
3978	+	//     }
3979	+
3980	+	//     static <U> U join2(CompletionStage<U> stage) {
3981	+	//         return stage.toCompletableFuture().copy().join();
3982	+	//     }
3983	+
3984	+	//     static <U> boolean isDone2(CompletionStage<U> stage) {
3985	+	//         return stage.toCompletableFuture().copy().isDone();
3986	+	//     }
3987	+
3988		}

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